diff options
| author | scuri <scuri> | 2008-10-17 06:10:15 +0000 |
|---|---|---|
| committer | scuri <scuri> | 2008-10-17 06:10:15 +0000 |
| commit | 5a422aba704c375a307a902bafe658342e209906 (patch) | |
| tree | 5005011e086bb863d8fb587ad3319bbec59b2447 /src/libjasper | |
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/libjasper')
78 files changed, 35797 insertions, 0 deletions
diff --git a/src/libjasper/base/jas_cm.c b/src/libjasper/base/jas_cm.c new file mode 100644 index 0000000..efeec99 --- /dev/null +++ b/src/libjasper/base/jas_cm.c @@ -0,0 +1,1282 @@ +/* + * Copyright (c) 2002-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Color Management + * + * $Id: jas_cm.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#include <jasper/jas_config.h> +#include <math.h> +#include <stdlib.h> +#include <assert.h> +#include <jasper/jas_cm.h> +#include <jasper/jas_icc.h> +#include <jasper/jas_init.h> +#include <jasper/jas_stream.h> +#include <jasper/jas_malloc.h> +#include <jasper/jas_math.h> + +static jas_cmprof_t *jas_cmprof_create(void); +static void jas_cmshapmatlut_cleanup(jas_cmshapmatlut_t *); +static jas_cmreal_t jas_cmshapmatlut_lookup(jas_cmshapmatlut_t *lut, jas_cmreal_t x); + +static void jas_cmpxform_destroy(jas_cmpxform_t *pxform); +static jas_cmpxform_t *jas_cmpxform_copy(jas_cmpxform_t *pxform); + +static void jas_cmshapmat_destroy(jas_cmpxform_t *pxform); +static int jas_cmshapmat_apply(jas_cmpxform_t *pxform, jas_cmreal_t *in, + jas_cmreal_t *out, int cnt); + +static int jas_cmputint(long **bufptr, int sgnd, int prec, long val); +static int jas_cmgetint(long **bufptr, int sgnd, int prec, long *val); +static int jas_cmpxformseq_append(jas_cmpxformseq_t *pxformseq, + jas_cmpxformseq_t *othpxformseq); +static int jas_cmpxformseq_appendcnvt(jas_cmpxformseq_t *pxformseq, + int, int); +static int jas_cmpxformseq_resize(jas_cmpxformseq_t *pxformseq, int n); + +static int mono(jas_iccprof_t *prof, int op, jas_cmpxformseq_t **pxformseq); +static int triclr(jas_iccprof_t *prof, int op, jas_cmpxformseq_t **retpxformseq); + +static void jas_cmpxformseq_destroy(jas_cmpxformseq_t *pxformseq); +static int jas_cmpxformseq_delete(jas_cmpxformseq_t *pxformseq, int i); +static jas_cmpxformseq_t *jas_cmpxformseq_create(void); +static jas_cmpxformseq_t *jas_cmpxformseq_copy(jas_cmpxformseq_t *pxformseq); +static int jas_cmshapmat_invmat(jas_cmreal_t out[3][4], jas_cmreal_t in[3][4]); +static int jas_cmpxformseq_insertpxform(jas_cmpxformseq_t *pxformseq, + int i, jas_cmpxform_t *pxform); + +#define SEQFWD(intent) (intent) +#define SEQREV(intent) (4 + (intent)) +#define SEQSIM(intent) (8 + (intent)) +#define SEQGAM 12 + +#define fwdpxformseq(prof, intent) \ + (((prof)->pxformseqs[SEQFWD(intent)]) ? \ + ((prof)->pxformseqs[SEQFWD(intent)]) : \ + ((prof)->pxformseqs[SEQFWD(0)])) + +#define revpxformseq(prof, intent) \ + (((prof)->pxformseqs[SEQREV(intent)]) ? \ + ((prof)->pxformseqs[SEQREV(intent)]) : \ + ((prof)->pxformseqs[SEQREV(0)])) + +#define simpxformseq(prof, intent) \ + (((prof)->pxformseqs[SEQSIM(intent)]) ? \ + ((prof)->pxformseqs[SEQSIM(intent)]) : \ + ((prof)->pxformseqs[SEQSIM(0)])) + +#define gampxformseq(prof) ((prof)->pxformseqs[SEQGAM]) + +static int icctoclrspc(int iccclrspc, int refflag); +static jas_cmpxform_t *jas_cmpxform_create0(void); +static jas_cmpxform_t *jas_cmpxform_createshapmat(void); +static void jas_cmshapmatlut_init(jas_cmshapmatlut_t *lut); +static int jas_cmshapmatlut_set(jas_cmshapmatlut_t *lut, jas_icccurv_t *curv); + +static jas_cmpxformops_t shapmat_ops = {jas_cmshapmat_destroy, jas_cmshapmat_apply, 0}; +static jas_cmprof_t *jas_cmprof_createsycc(void); + +/******************************************************************************\ +* Color profile class. +\******************************************************************************/ + +jas_cmprof_t *jas_cmprof_createfromclrspc(int clrspc) +{ + jas_iccprof_t *iccprof; + jas_cmprof_t *prof; + + iccprof = 0; + prof = 0; + switch (clrspc) { + case JAS_CLRSPC_SYCBCR: + if (!(prof = jas_cmprof_createsycc())) + goto error; + break; + default: + if (!(iccprof = jas_iccprof_createfromclrspc(clrspc))) + goto error; + if (!(prof = jas_cmprof_createfromiccprof(iccprof))) + goto error; + jas_iccprof_destroy(iccprof); + iccprof = 0; + if (!jas_clrspc_isgeneric(clrspc)) + prof->clrspc = clrspc; + break; + } + return prof; +error: + if (iccprof) + jas_iccprof_destroy(iccprof); + return 0; +} + +static jas_cmprof_t *jas_cmprof_createsycc() +{ + jas_cmprof_t *prof; + jas_cmpxform_t *fwdpxform; + jas_cmpxform_t *revpxform; + jas_cmshapmat_t *fwdshapmat; + jas_cmshapmat_t *revshapmat; + int i; + int j; + + if (!(prof = jas_cmprof_createfromclrspc(JAS_CLRSPC_SRGB))) + goto error; + prof->clrspc = JAS_CLRSPC_SYCBCR; + assert(prof->numchans == 3 && prof->numrefchans == 3); + assert(prof->refclrspc == JAS_CLRSPC_CIEXYZ); + if (!(fwdpxform = jas_cmpxform_createshapmat())) + goto error; + fwdpxform->numinchans = 3; + fwdpxform->numoutchans = 3; + fwdshapmat = &fwdpxform->data.shapmat; + fwdshapmat->mono = 0; + fwdshapmat->order = 0; + fwdshapmat->useluts = 0; + fwdshapmat->usemat = 1; + fwdshapmat->mat[0][0] = 1.0; + fwdshapmat->mat[0][1] = 0.0; + fwdshapmat->mat[0][2] = 1.402; + fwdshapmat->mat[1][0] = 1.0; + fwdshapmat->mat[1][1] = -0.34413; + fwdshapmat->mat[1][2] = -0.71414; + fwdshapmat->mat[2][0] = 1.0; + fwdshapmat->mat[2][1] = 1.772; + fwdshapmat->mat[2][2] = 0.0; + fwdshapmat->mat[0][3] = -0.5 * (1.402); + fwdshapmat->mat[1][3] = -0.5 * (-0.34413 - 0.71414); + fwdshapmat->mat[2][3] = -0.5 * (1.772); + if (!(revpxform = jas_cmpxform_createshapmat())) + goto error; + revpxform->numinchans = 3; + revpxform->numoutchans = 3; + revshapmat = &revpxform->data.shapmat; + revshapmat->mono = 0; + revshapmat->order = 1; + revshapmat->useluts = 0; + revshapmat->usemat = 1; + jas_cmshapmat_invmat(revshapmat->mat, fwdshapmat->mat); + + for (i = 0; i < JAS_CMXFORM_NUMINTENTS; ++i) { + j = SEQFWD(i); + if (prof->pxformseqs[j]) { + if (jas_cmpxformseq_insertpxform(prof->pxformseqs[j], 0, + fwdpxform)) + goto error; + } + j = SEQREV(i); + if (prof->pxformseqs[j]) { + if (jas_cmpxformseq_insertpxform(prof->pxformseqs[j], + -1, revpxform)) + goto error; + } + } + + jas_cmpxform_destroy(fwdpxform); + jas_cmpxform_destroy(revpxform); + return prof; +error: + return 0; +} + +jas_cmprof_t *jas_cmprof_createfromiccprof(jas_iccprof_t *iccprof) +{ + jas_cmprof_t *prof; + jas_icchdr_t icchdr; + jas_cmpxformseq_t *fwdpxformseq; + jas_cmpxformseq_t *revpxformseq; + + prof = 0; + fwdpxformseq = 0; + revpxformseq = 0; + + if (!(prof = jas_cmprof_create())) + goto error; + jas_iccprof_gethdr(iccprof, &icchdr); + if (!(prof->iccprof = jas_iccprof_copy(iccprof))) + goto error; + prof->clrspc = icctoclrspc(icchdr.colorspc, 0); + prof->refclrspc = icctoclrspc(icchdr.refcolorspc, 1); + prof->numchans = jas_clrspc_numchans(prof->clrspc); + prof->numrefchans = jas_clrspc_numchans(prof->refclrspc); + + if (prof->numchans == 1) { + if (mono(prof->iccprof, 0, &fwdpxformseq)) + goto error; + if (mono(prof->iccprof, 1, &revpxformseq)) + goto error; + } else if (prof->numchans == 3) { + if (triclr(prof->iccprof, 0, &fwdpxformseq)) + goto error; + if (triclr(prof->iccprof, 1, &revpxformseq)) + goto error; + } + prof->pxformseqs[SEQFWD(0)] = fwdpxformseq; + prof->pxformseqs[SEQREV(0)] = revpxformseq; + +#if 0 + if (prof->numchans > 1) { + lut(prof->iccprof, 0, PER, &pxformseq); + pxformseqs_set(prof, SEQFWD(PER), pxformseq); + lut(prof->iccprof, 1, PER, &pxformseq); + pxformseqs_set(prof, SEQREV(PER), pxformseq); + lut(prof->iccprof, 0, CLR, &pxformseq); + pxformseqs_set(prof, SEQREV(CLR), pxformseq); + lut(prof->iccprof, 1, CLR, &pxformseq); + pxformseqs_set(prof, SEQREV(CLR), pxformseq); + lut(prof->iccprof, 0, SAT, &pxformseq); + pxformseqs_set(prof, SEQREV(SAT), pxformseq); + lut(prof->iccprof, 1, SAT, &pxformseq); + pxformseqs_set(prof, SEQREV(SAT), pxformseq); + } +#endif + + return prof; + +error: + if (fwdpxformseq) { + jas_cmpxformseq_destroy(fwdpxformseq); + } + if (revpxformseq) { + jas_cmpxformseq_destroy(revpxformseq); + } + if (prof) { + jas_cmprof_destroy(prof); + } + + return 0; +} + +static jas_cmprof_t *jas_cmprof_create() +{ + int i; + jas_cmprof_t *prof; + if (!(prof = jas_malloc(sizeof(jas_cmprof_t)))) + return 0; + memset(prof, 0, sizeof(jas_cmprof_t)); + prof->iccprof = 0; + for (i = 0; i < JAS_CMPROF_NUMPXFORMSEQS; ++i) + prof->pxformseqs[i] = 0; + return prof; +} + +void jas_cmprof_destroy(jas_cmprof_t *prof) +{ + int i; + for (i = 0; i < JAS_CMPROF_NUMPXFORMSEQS; ++i) { + if (prof->pxformseqs[i]) { + jas_cmpxformseq_destroy(prof->pxformseqs[i]); + prof->pxformseqs[i] = 0; + } + } + if (prof->iccprof) + jas_iccprof_destroy(prof->iccprof); + jas_free(prof); +} + +jas_cmprof_t *jas_cmprof_copy(jas_cmprof_t *prof) +{ + jas_cmprof_t *newprof; + int i; + + if (!(newprof = jas_cmprof_create())) + goto error; + newprof->clrspc = prof->clrspc; + newprof->numchans = prof->numchans; + newprof->refclrspc = prof->refclrspc; + newprof->numrefchans = prof->numrefchans; + newprof->iccprof = jas_iccprof_copy(prof->iccprof); + for (i = 0; i < JAS_CMPROF_NUMPXFORMSEQS; ++i) { + if (prof->pxformseqs[i]) { + if (!(newprof->pxformseqs[i] = jas_cmpxformseq_copy(prof->pxformseqs[i]))) + goto error; + } + } + return newprof; +error: + return 0; +} + +/******************************************************************************\ +* Transform class. +\******************************************************************************/ + +jas_cmxform_t *jas_cmxform_create(jas_cmprof_t *inprof, jas_cmprof_t *outprof, + jas_cmprof_t *prfprof, int op, int intent, int optimize) +{ + jas_cmxform_t *xform; + jas_cmpxformseq_t *inpxformseq; + jas_cmpxformseq_t *outpxformseq; + jas_cmpxformseq_t *altoutpxformseq; + jas_cmpxformseq_t *prfpxformseq; + int prfintent; + + /* Avoid compiler warnings about unused parameters. */ + optimize = 0; + + prfintent = intent; + + if (!(xform = jas_malloc(sizeof(jas_cmxform_t)))) + goto error; + if (!(xform->pxformseq = jas_cmpxformseq_create())) + goto error; + + switch (op) { + case JAS_CMXFORM_OP_FWD: + inpxformseq = fwdpxformseq(inprof, intent); + outpxformseq = revpxformseq(outprof, intent); + if (!inpxformseq || !outpxformseq) + goto error; + if (jas_cmpxformseq_append(xform->pxformseq, inpxformseq) || + jas_cmpxformseq_appendcnvt(xform->pxformseq, + inprof->refclrspc, outprof->refclrspc) || + jas_cmpxformseq_append(xform->pxformseq, outpxformseq)) + goto error; + xform->numinchans = jas_clrspc_numchans(inprof->clrspc); + xform->numoutchans = jas_clrspc_numchans(outprof->clrspc); + break; + case JAS_CMXFORM_OP_REV: + outpxformseq = fwdpxformseq(outprof, intent); + inpxformseq = revpxformseq(inprof, intent); + if (!outpxformseq || !inpxformseq) + goto error; + if (jas_cmpxformseq_append(xform->pxformseq, outpxformseq) || + jas_cmpxformseq_appendcnvt(xform->pxformseq, + outprof->refclrspc, inprof->refclrspc) || + jas_cmpxformseq_append(xform->pxformseq, inpxformseq)) + goto error; + xform->numinchans = jas_clrspc_numchans(outprof->clrspc); + xform->numoutchans = jas_clrspc_numchans(inprof->clrspc); + break; + case JAS_CMXFORM_OP_PROOF: + assert(prfprof); + inpxformseq = fwdpxformseq(inprof, intent); + prfpxformseq = fwdpxformseq(prfprof, prfintent); + if (!inpxformseq || !prfpxformseq) + goto error; + outpxformseq = simpxformseq(outprof, intent); + altoutpxformseq = 0; + if (!outpxformseq) { + outpxformseq = revpxformseq(outprof, intent); + altoutpxformseq = fwdpxformseq(outprof, intent); + if (!outpxformseq || !altoutpxformseq) + goto error; + } + if (jas_cmpxformseq_append(xform->pxformseq, inpxformseq) || + jas_cmpxformseq_appendcnvt(xform->pxformseq, + inprof->refclrspc, outprof->refclrspc)) + goto error; + if (altoutpxformseq) { + if (jas_cmpxformseq_append(xform->pxformseq, outpxformseq) || + jas_cmpxformseq_append(xform->pxformseq, altoutpxformseq)) + goto error; + } else { + if (jas_cmpxformseq_append(xform->pxformseq, outpxformseq)) + goto error; + } + if (jas_cmpxformseq_appendcnvt(xform->pxformseq, + outprof->refclrspc, inprof->refclrspc) || + jas_cmpxformseq_append(xform->pxformseq, prfpxformseq)) + goto error; + xform->numinchans = jas_clrspc_numchans(inprof->clrspc); + xform->numoutchans = jas_clrspc_numchans(prfprof->clrspc); + break; + case JAS_CMXFORM_OP_GAMUT: + inpxformseq = fwdpxformseq(inprof, intent); + outpxformseq = gampxformseq(outprof); + if (!inpxformseq || !outpxformseq) + goto error; + if (jas_cmpxformseq_append(xform->pxformseq, inpxformseq) || + jas_cmpxformseq_appendcnvt(xform->pxformseq, + inprof->refclrspc, outprof->refclrspc) || + jas_cmpxformseq_append(xform->pxformseq, outpxformseq)) + goto error; + xform->numinchans = jas_clrspc_numchans(inprof->clrspc); + xform->numoutchans = 1; + break; + } + return xform; +error: + return 0; +} + +#define APPLYBUFSIZ 2048 +int jas_cmxform_apply(jas_cmxform_t *xform, jas_cmpixmap_t *in, jas_cmpixmap_t *out) +{ + jas_cmcmptfmt_t *fmt; + jas_cmreal_t buf[2][APPLYBUFSIZ]; + jas_cmpxformseq_t *pxformseq; + int i; + int j; + int width; + int height; + int total; + int n; + jas_cmreal_t *inbuf; + jas_cmreal_t *outbuf; + jas_cmpxform_t *pxform; + long *dataptr; + int maxchans; + int bufmax; + int m; + int bias; + jas_cmreal_t scale; + long v; + jas_cmreal_t *bufptr; + + if (xform->numinchans > in->numcmpts || xform->numoutchans > out->numcmpts) + goto error; + + fmt = &in->cmptfmts[0]; + width = fmt->width; + height = fmt->height; + for (i = 1; i < xform->numinchans; ++i) { + fmt = &in->cmptfmts[i]; + if (fmt->width != width || fmt->height != height) { + goto error; + } + } + for (i = 0; i < xform->numoutchans; ++i) { + fmt = &out->cmptfmts[i]; + if (fmt->width != width || fmt->height != height) { + goto error; + } + } + + maxchans = 0; + pxformseq = xform->pxformseq; + for (i = 0; i < pxformseq->numpxforms; ++i) { + pxform = pxformseq->pxforms[i]; + if (pxform->numinchans > maxchans) { + maxchans = pxform->numinchans; + } + if (pxform->numoutchans > maxchans) { + maxchans = pxform->numoutchans; + } + } + bufmax = APPLYBUFSIZ / maxchans; + assert(bufmax > 0); + + total = width * height; + n = 0; + while (n < total) { + + inbuf = &buf[0][0]; + m = JAS_MIN(total - n, bufmax); + + for (i = 0; i < xform->numinchans; ++i) { + fmt = &in->cmptfmts[i]; + scale = (double)((1 << fmt->prec) - 1); + bias = fmt->sgnd ? (1 << (fmt->prec - 1)) : 0; + dataptr = &fmt->buf[n]; + bufptr = &inbuf[i]; + for (j = 0; j < m; ++j) { + if (jas_cmgetint(&dataptr, fmt->sgnd, fmt->prec, &v)) + goto error; + *bufptr = (v - bias) / scale; + bufptr += xform->numinchans; + } + } + + inbuf = &buf[0][0]; + outbuf = inbuf; + for (i = 0; i < pxformseq->numpxforms; ++i) { + pxform = pxformseq->pxforms[i]; + if (pxform->numoutchans > pxform->numinchans) { + outbuf = (inbuf == &buf[0][0]) ? &buf[1][0] : &buf[0][0]; + } else { + outbuf = inbuf; + } + if ((*pxform->ops->apply)(pxform, inbuf, outbuf, m)) + goto error; + inbuf = outbuf; + } + + for (i = 0; i < xform->numoutchans; ++i) { + fmt = &out->cmptfmts[i]; + scale = (double)((1 << fmt->prec) - 1); + bias = fmt->sgnd ? (1 << (fmt->prec - 1)) : 0; + bufptr = &outbuf[i]; + dataptr = &fmt->buf[n]; + for (j = 0; j < m; ++j) { + v = (*bufptr) * scale + bias; + bufptr += xform->numoutchans; + if (jas_cmputint(&dataptr, fmt->sgnd, fmt->prec, v)) + goto error; + } + } + + n += m; + } + + return 0; +error: + return -1; +} + +void jas_cmxform_destroy(jas_cmxform_t *xform) +{ + if (xform->pxformseq) + jas_cmpxformseq_destroy(xform->pxformseq); + jas_free(xform); +} + +/******************************************************************************\ +* Primitive transform sequence class. +\******************************************************************************/ + +static jas_cmpxformseq_t *jas_cmpxformseq_create() +{ + jas_cmpxformseq_t *pxformseq; + pxformseq = 0; + if (!(pxformseq = jas_malloc(sizeof(jas_cmpxformseq_t)))) + goto error; + pxformseq->pxforms = 0; + pxformseq->numpxforms = 0; + pxformseq->maxpxforms = 0; + if (jas_cmpxformseq_resize(pxformseq, 16)) + goto error; + return pxformseq; +error: + if (pxformseq) + jas_cmpxformseq_destroy(pxformseq); + return 0; +} + +static jas_cmpxformseq_t *jas_cmpxformseq_copy(jas_cmpxformseq_t *pxformseq) +{ + jas_cmpxformseq_t *newpxformseq; + + if (!(newpxformseq = jas_cmpxformseq_create())) + goto error; + if (jas_cmpxformseq_append(newpxformseq, pxformseq)) + goto error; + return newpxformseq; +error: + return 0; +} + +static void jas_cmpxformseq_destroy(jas_cmpxformseq_t *pxformseq) +{ + while (pxformseq->numpxforms > 0) + jas_cmpxformseq_delete(pxformseq, pxformseq->numpxforms - 1); + if (pxformseq->pxforms) + jas_free(pxformseq->pxforms); + jas_free(pxformseq); +} + +static int jas_cmpxformseq_delete(jas_cmpxformseq_t *pxformseq, int i) +{ + assert(i >= 0 && i < pxformseq->numpxforms); + if (i != pxformseq->numpxforms - 1) + abort(); + jas_cmpxform_destroy(pxformseq->pxforms[i]); + pxformseq->pxforms[i] = 0; + --pxformseq->numpxforms; + return 0; +} + +static int jas_cmpxformseq_appendcnvt(jas_cmpxformseq_t *pxformseq, + int dstclrspc, int srcclrspc) +{ + if (dstclrspc == srcclrspc) + return 0; + abort(); + /* Avoid compiler warnings about unused parameters. */ + pxformseq = 0; + return -1; +} + +static int jas_cmpxformseq_insertpxform(jas_cmpxformseq_t *pxformseq, + int i, jas_cmpxform_t *pxform) +{ + jas_cmpxform_t *tmppxform; + int n; + if (i < 0) + i = pxformseq->numpxforms; + assert(i >= 0 && i <= pxformseq->numpxforms); + if (pxformseq->numpxforms >= pxformseq->maxpxforms) { + if (jas_cmpxformseq_resize(pxformseq, pxformseq->numpxforms + + 16)) + goto error; + } + assert(pxformseq->numpxforms < pxformseq->maxpxforms); + if (!(tmppxform = jas_cmpxform_copy(pxform))) + goto error; + n = pxformseq->numpxforms - i; + if (n > 0) { + memmove(&pxformseq->pxforms[i + 1], &pxformseq->pxforms[i], + n * sizeof(jas_cmpxform_t *)); + } + pxformseq->pxforms[i] = tmppxform; + ++pxformseq->numpxforms; + return 0; +error: + return -1; +} + +static int jas_cmpxformseq_append(jas_cmpxformseq_t *pxformseq, + jas_cmpxformseq_t *othpxformseq) +{ + int n; + int i; + jas_cmpxform_t *pxform; + jas_cmpxform_t *othpxform; + n = pxformseq->numpxforms + othpxformseq->numpxforms; + if (n > pxformseq->maxpxforms) { + if (jas_cmpxformseq_resize(pxformseq, n)) + goto error; + } + for (i = 0; i < othpxformseq->numpxforms; ++i) { + othpxform = othpxformseq->pxforms[i]; + if (!(pxform = jas_cmpxform_copy(othpxform))) + goto error; + pxformseq->pxforms[pxformseq->numpxforms] = pxform; + ++pxformseq->numpxforms; + } + return 0; +error: + return -1; +} + +static int jas_cmpxformseq_resize(jas_cmpxformseq_t *pxformseq, int n) +{ + jas_cmpxform_t **p; + assert(n >= pxformseq->numpxforms); + p = (!pxformseq->pxforms) ? jas_malloc(n * sizeof(jas_cmpxform_t *)) : + jas_realloc(pxformseq->pxforms, n * sizeof(jas_cmpxform_t *)); + if (!p) { + return -1; + } + pxformseq->pxforms = p; + pxformseq->maxpxforms = n; + return 0; +} + +/******************************************************************************\ +* Primitive transform class. +\******************************************************************************/ + +static jas_cmpxform_t *jas_cmpxform_create0() +{ + jas_cmpxform_t *pxform; + if (!(pxform = jas_malloc(sizeof(jas_cmpxform_t)))) + return 0; + memset(pxform, 0, sizeof(jas_cmpxform_t)); + pxform->refcnt = 0; + pxform->ops = 0; + return pxform; +} + +static void jas_cmpxform_destroy(jas_cmpxform_t *pxform) +{ + if (--pxform->refcnt <= 0) { + (*pxform->ops->destroy)(pxform); + jas_free(pxform); + } +} + +static jas_cmpxform_t *jas_cmpxform_copy(jas_cmpxform_t *pxform) +{ + ++pxform->refcnt; + return pxform; +} + +/******************************************************************************\ +* Shaper matrix class. +\******************************************************************************/ + +static jas_cmpxform_t *jas_cmpxform_createshapmat() +{ + int i; + int j; + jas_cmpxform_t *pxform; + jas_cmshapmat_t *shapmat; + if (!(pxform = jas_cmpxform_create0())) + return 0; + pxform->ops = &shapmat_ops; + shapmat = &pxform->data.shapmat; + shapmat->mono = 0; + shapmat->order = 0; + shapmat->useluts = 0; + shapmat->usemat = 0; + for (i = 0; i < 3; ++i) + jas_cmshapmatlut_init(&shapmat->luts[i]); + for (i = 0; i < 3; ++i) { + for (j = 0; j < 4; ++j) + shapmat->mat[i][j] = 0.0; + } + ++pxform->refcnt; + return pxform; +} + +static void jas_cmshapmat_destroy(jas_cmpxform_t *pxform) +{ + jas_cmshapmat_t *shapmat = &pxform->data.shapmat; + int i; + for (i = 0; i < 3; ++i) + jas_cmshapmatlut_cleanup(&shapmat->luts[i]); +} + +static int jas_cmshapmat_apply(jas_cmpxform_t *pxform, jas_cmreal_t *in, + jas_cmreal_t *out, int cnt) +{ + jas_cmshapmat_t *shapmat = &pxform->data.shapmat; + jas_cmreal_t *src; + jas_cmreal_t *dst; + jas_cmreal_t a0; + jas_cmreal_t a1; + jas_cmreal_t a2; + jas_cmreal_t b0; + jas_cmreal_t b1; + jas_cmreal_t b2; + src = in; + dst = out; + if (!shapmat->mono) { + while (--cnt >= 0) { + a0 = *src++; + a1 = *src++; + a2 = *src++; + if (!shapmat->order && shapmat->useluts) { + a0 = jas_cmshapmatlut_lookup(&shapmat->luts[0], a0); + a1 = jas_cmshapmatlut_lookup(&shapmat->luts[1], a1); + a2 = jas_cmshapmatlut_lookup(&shapmat->luts[2], a2); + } + if (shapmat->usemat) { + b0 = shapmat->mat[0][0] * a0 + + shapmat->mat[0][1] * a1 + + shapmat->mat[0][2] * a2 + + shapmat->mat[0][3]; + b1 = shapmat->mat[1][0] * a0 + + shapmat->mat[1][1] * a1 + + shapmat->mat[1][2] * a2 + + shapmat->mat[1][3]; + b2 = shapmat->mat[2][0] * a0 + + shapmat->mat[2][1] * a1 + + shapmat->mat[2][2] * a2 + + shapmat->mat[2][3]; + a0 = b0; + a1 = b1; + a2 = b2; + } + if (shapmat->order && shapmat->useluts) { + a0 = jas_cmshapmatlut_lookup(&shapmat->luts[0], a0); + a1 = jas_cmshapmatlut_lookup(&shapmat->luts[1], a1); + a2 = jas_cmshapmatlut_lookup(&shapmat->luts[2], a2); + } + *dst++ = a0; + *dst++ = a1; + *dst++ = a2; + } + } else { + if (!shapmat->order) { + while (--cnt >= 0) { + a0 = *src++; + if (shapmat->useluts) + a0 = jas_cmshapmatlut_lookup(&shapmat->luts[0], a0); + a2 = a0 * shapmat->mat[2][0]; + a1 = a0 * shapmat->mat[1][0]; + a0 = a0 * shapmat->mat[0][0]; + *dst++ = a0; + *dst++ = a1; + *dst++ = a2; + } + } else { +assert(0); + while (--cnt >= 0) { + a0 = *src++; + src++; + src++; + a0 = a0 * shapmat->mat[0][0]; + if (shapmat->useluts) + a0 = jas_cmshapmatlut_lookup(&shapmat->luts[0], a0); + *dst++ = a0; + } + } + } + + return 0; +} + +static void jas_cmshapmatlut_init(jas_cmshapmatlut_t *lut) +{ + lut->data = 0; + lut->size = 0; +} + +static void jas_cmshapmatlut_cleanup(jas_cmshapmatlut_t *lut) +{ + if (lut->data) { + jas_free(lut->data); + lut->data = 0; + } + lut->size = 0; +} + +static double gammafn(double x, double gamma) +{ + if (x == 0.0) + return 0.0; + return pow(x, gamma); +} + +static int jas_cmshapmatlut_set(jas_cmshapmatlut_t *lut, jas_icccurv_t *curv) +{ + jas_cmreal_t gamma; + int i; + gamma = 0; + jas_cmshapmatlut_cleanup(lut); + if (curv->numents == 0) { + lut->size = 2; + if (!(lut->data = jas_malloc(lut->size * sizeof(jas_cmreal_t)))) + goto error; + lut->data[0] = 0.0; + lut->data[1] = 1.0; + } else if (curv->numents == 1) { + lut->size = 256; + if (!(lut->data = jas_malloc(lut->size * sizeof(jas_cmreal_t)))) + goto error; + gamma = curv->ents[0] / 256.0; + for (i = 0; i < lut->size; ++i) { + lut->data[i] = gammafn(i / (double) (lut->size - 1), gamma); + } + } else { + lut->size = curv->numents; + if (!(lut->data = jas_malloc(lut->size * sizeof(jas_cmreal_t)))) + goto error; + for (i = 0; i < lut->size; ++i) { + lut->data[i] = curv->ents[i] / 65535.0; + } + } + return 0; +error: + return -1; +} + +static jas_cmreal_t jas_cmshapmatlut_lookup(jas_cmshapmatlut_t *lut, jas_cmreal_t x) +{ + jas_cmreal_t t; + int lo; + int hi; + t = x * (lut->size - 1); + lo = floor(t); + if (lo < 0) + return lut->data[0]; + hi = ceil(t); + if (hi >= lut->size) + return lut->data[lut->size - 1]; + return lut->data[lo] + (t - lo) * (lut->data[hi] - lut->data[lo]); +} + +static int jas_cmshapmatlut_invert(jas_cmshapmatlut_t *invlut, + jas_cmshapmatlut_t *lut, int n) +{ + int i; + int j; + int k; + jas_cmreal_t ax; + jas_cmreal_t ay; + jas_cmreal_t bx; + jas_cmreal_t by; + jas_cmreal_t sx; + jas_cmreal_t sy; + assert(n >= 2); + if (invlut->data) { + jas_free(invlut->data); + invlut->data = 0; + } + /* The sample values should be nondecreasing. */ + for (i = 1; i < lut->size; ++i) { + if (lut->data[i - 1] > lut->data[i]) { + assert(0); + return -1; + } + } + if (!(invlut->data = jas_malloc(n * sizeof(jas_cmreal_t)))) + return -1; + invlut->size = n; + for (i = 0; i < invlut->size; ++i) { + sy = ((double) i) / (invlut->size - 1); + sx = 1.0; + for (j = 0; j < lut->size; ++j) { + ay = lut->data[j]; + if (sy == ay) { + for (k = j + 1; k < lut->size; ++k) { + by = lut->data[k]; + if (by != sy) + break; +#if 0 +assert(0); +#endif + } + if (k < lut->size) { + --k; + ax = ((double) j) / (lut->size - 1); + bx = ((double) k) / (lut->size - 1); + sx = (ax + bx) / 2.0; + } + break; + } + if (j < lut->size - 1) { + by = lut->data[j + 1]; + if (sy > ay && sy < by) { + ax = ((double) j) / (lut->size - 1); + bx = ((double) j + 1) / (lut->size - 1); + sx = ax + + (sy - ay) / (by - ay) * (bx - ax); + break; + } + } + } + invlut->data[i] = sx; + } +#if 0 +for (i=0;i<lut->size;++i) + jas_eprintf("lut[%d]=%f ", i, lut->data[i]); +for (i=0;i<invlut->size;++i) + jas_eprintf("invlut[%d]=%f ", i, invlut->data[i]); +#endif + return 0; +} + +static int jas_cmshapmat_invmat(jas_cmreal_t out[3][4], jas_cmreal_t in[3][4]) +{ + jas_cmreal_t d; + d = in[0][0] * (in[1][1] * in[2][2] - in[1][2] * in[2][1]) + - in[0][1] * (in[1][0] * in[2][2] - in[1][2] * in[2][0]) + + in[0][2] * (in[1][0] * in[2][1] - in[1][1] * in[2][0]); +#if 0 +jas_eprintf("delta=%f\n", d); +#endif + if (JAS_ABS(d) < 1e-6) + return -1; + out[0][0] = (in[1][1] * in[2][2] - in[1][2] * in[2][1]) / d; + out[1][0] = -(in[1][0] * in[2][2] - in[1][2] * in[2][0]) / d; + out[2][0] = (in[1][0] * in[2][1] - in[1][1] * in[2][0]) / d; + out[0][1] = -(in[0][1] * in[2][2] - in[0][2] * in[2][1]) / d; + out[1][1] = (in[0][0] * in[2][2] - in[0][2] * in[2][0]) / d; + out[2][1] = -(in[0][0] * in[2][1] - in[0][1] * in[2][0]) / d; + out[0][2] = (in[0][1] * in[1][2] - in[0][2] * in[1][1]) / d; + out[1][2] = -(in[0][0] * in[1][2] - in[1][0] * in[0][2]) / d; + out[2][2] = (in[0][0] * in[1][1] - in[0][1] * in[1][0]) / d; + out[0][3] = -in[0][3]; + out[1][3] = -in[1][3]; + out[2][3] = -in[2][3]; +#if 0 +jas_eprintf("[ %f %f %f %f ]\n[ %f %f %f %f ]\n[ %f %f %f %f ]\n", +in[0][0], in[0][1], in[0][2], in[0][3], +in[1][0], in[1][1], in[1][2], in[1][3], +in[2][0], in[2][1], in[2][2], in[2][3]); +jas_eprintf("[ %f %f %f %f ]\n[ %f %f %f %f ]\n[ %f %f %f %f ]\n", +out[0][0], out[0][1], out[0][2], out[0][3], +out[1][0], out[1][1], out[1][2], out[1][3], +out[2][0], out[2][1], out[2][2], out[2][3]); +#endif + return 0; +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static int icctoclrspc(int iccclrspc, int refflag) +{ + if (refflag) { + switch (iccclrspc) { + case JAS_ICC_COLORSPC_XYZ: + return JAS_CLRSPC_CIEXYZ; + case JAS_ICC_COLORSPC_LAB: + return JAS_CLRSPC_CIELAB; + default: + abort(); + break; + } + } else { + switch (iccclrspc) { + case JAS_ICC_COLORSPC_YCBCR: + return JAS_CLRSPC_GENYCBCR; + case JAS_ICC_COLORSPC_RGB: + return JAS_CLRSPC_GENRGB; + case JAS_ICC_COLORSPC_GRAY: + return JAS_CLRSPC_GENGRAY; + default: + abort(); + break; + } + } +} + +static int mono(jas_iccprof_t *iccprof, int op, jas_cmpxformseq_t **retpxformseq) +{ + jas_iccattrval_t *graytrc; + jas_cmshapmat_t *shapmat; + jas_cmpxform_t *pxform; + jas_cmpxformseq_t *pxformseq; + jas_cmshapmatlut_t lut; + + jas_cmshapmatlut_init(&lut); + if (!(graytrc = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_GRYTRC)) || + graytrc->type != JAS_ICC_TYPE_CURV) + goto error; + if (!(pxform = jas_cmpxform_createshapmat())) + goto error; + shapmat = &pxform->data.shapmat; + if (!(pxformseq = jas_cmpxformseq_create())) + goto error; + if (jas_cmpxformseq_insertpxform(pxformseq, -1, pxform)) + goto error; + + pxform->numinchans = 1; + pxform->numoutchans = 3; + + shapmat->mono = 1; + shapmat->useluts = 1; + shapmat->usemat = 1; + if (!op) { + shapmat->order = 0; + shapmat->mat[0][0] = 0.9642; + shapmat->mat[1][0] = 1.0; + shapmat->mat[2][0] = 0.8249; + if (jas_cmshapmatlut_set(&shapmat->luts[0], &graytrc->data.curv)) + goto error; + } else { + shapmat->order = 1; + shapmat->mat[0][0] = 1.0 / 0.9642; + shapmat->mat[1][0] = 1.0; + shapmat->mat[2][0] = 1.0 / 0.8249; + jas_cmshapmatlut_init(&lut); + if (jas_cmshapmatlut_set(&lut, &graytrc->data.curv)) + goto error; + if (jas_cmshapmatlut_invert(&shapmat->luts[0], &lut, lut.size)) + goto error; + jas_cmshapmatlut_cleanup(&lut); + } + jas_iccattrval_destroy(graytrc); + jas_cmpxform_destroy(pxform); + *retpxformseq = pxformseq; + return 0; +error: + return -1; +} + +static int triclr(jas_iccprof_t *iccprof, int op, jas_cmpxformseq_t **retpxformseq) +{ + int i; + jas_iccattrval_t *trcs[3]; + jas_iccattrval_t *cols[3]; + jas_cmshapmat_t *shapmat; + jas_cmpxform_t *pxform; + jas_cmpxformseq_t *pxformseq; + jas_cmreal_t mat[3][4]; + jas_cmshapmatlut_t lut; + + pxform = 0; + pxformseq = 0; + for (i = 0; i < 3; ++i) { + trcs[i] = 0; + cols[i] = 0; + } + jas_cmshapmatlut_init(&lut); + + if (!(trcs[0] = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_REDTRC)) || + !(trcs[1] = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_GRNTRC)) || + !(trcs[2] = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_BLUTRC)) || + !(cols[0] = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_REDMATCOL)) || + !(cols[1] = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_GRNMATCOL)) || + !(cols[2] = jas_iccprof_getattr(iccprof, JAS_ICC_TAG_BLUMATCOL))) + goto error; + for (i = 0; i < 3; ++i) { + if (trcs[i]->type != JAS_ICC_TYPE_CURV || + cols[i]->type != JAS_ICC_TYPE_XYZ) + goto error; + } + if (!(pxform = jas_cmpxform_createshapmat())) + goto error; + pxform->numinchans = 3; + pxform->numoutchans = 3; + shapmat = &pxform->data.shapmat; + if (!(pxformseq = jas_cmpxformseq_create())) + goto error; + if (jas_cmpxformseq_insertpxform(pxformseq, -1, pxform)) + goto error; + shapmat->mono = 0; + shapmat->useluts = 1; + shapmat->usemat = 1; + if (!op) { + shapmat->order = 0; + for (i = 0; i < 3; ++i) { + shapmat->mat[0][i] = cols[i]->data.xyz.x / 65536.0; + shapmat->mat[1][i] = cols[i]->data.xyz.y / 65536.0; + shapmat->mat[2][i] = cols[i]->data.xyz.z / 65536.0; + } + for (i = 0; i < 3; ++i) + shapmat->mat[i][3] = 0.0; + for (i = 0; i < 3; ++i) { + if (jas_cmshapmatlut_set(&shapmat->luts[i], &trcs[i]->data.curv)) + goto error; + } + } else { + shapmat->order = 1; + for (i = 0; i < 3; ++i) { + mat[0][i] = cols[i]->data.xyz.x / 65536.0; + mat[1][i] = cols[i]->data.xyz.y / 65536.0; + mat[2][i] = cols[i]->data.xyz.z / 65536.0; + } + for (i = 0; i < 3; ++i) + mat[i][3] = 0.0; + if (jas_cmshapmat_invmat(shapmat->mat, mat)) + goto error; + for (i = 0; i < 3; ++i) { + jas_cmshapmatlut_init(&lut); + if (jas_cmshapmatlut_set(&lut, &trcs[i]->data.curv)) + goto error; + if (jas_cmshapmatlut_invert(&shapmat->luts[i], &lut, lut.size)) + goto error; + jas_cmshapmatlut_cleanup(&lut); + } + } + for (i = 0; i < 3; ++i) { + jas_iccattrval_destroy(trcs[i]); + jas_iccattrval_destroy(cols[i]); + } + jas_cmpxform_destroy(pxform); + *retpxformseq = pxformseq; + return 0; + +error: + + for (i = 0; i < 3; ++i) { + if (trcs[i]) { + jas_iccattrval_destroy(trcs[i]); + } + if (cols[i]) { + jas_iccattrval_destroy(cols[i]); + } + } + if (pxformseq) { + jas_cmpxformseq_destroy(pxformseq); + } + if (pxform) { + jas_cmpxform_destroy(pxform); + } + + return -1; +} + +static int jas_cmgetint(long **bufptr, int sgnd, int prec, long *val) +{ + long v; + int m; + v = **bufptr; + if (sgnd) { + m = (1 << (prec - 1)); + if (v < -m || v >= m) + return -1; + } else { + if (v < 0 || v >= (1 << prec)) + return -1; + } + ++(*bufptr); + *val = v; + return 0; +} + +static int jas_cmputint(long **bufptr, int sgnd, int prec, long val) +{ + int m; + if (sgnd) { + m = (1 << (prec - 1)); + if (val < -m || val >= m) + return -1; + } else { + if (val < 0 || val >= (1 << prec)) + return -1; + } + **bufptr = val; + ++(*bufptr); + return 0; +} + +int jas_clrspc_numchans(int clrspc) +{ + switch (jas_clrspc_fam(clrspc)) { + case JAS_CLRSPC_FAM_XYZ: + case JAS_CLRSPC_FAM_LAB: + case JAS_CLRSPC_FAM_RGB: + case JAS_CLRSPC_FAM_YCBCR: + return 3; + break; + case JAS_CLRSPC_FAM_GRAY: + return 1; + break; + default: + abort(); + break; + } +} + +jas_iccprof_t *jas_iccprof_createfromcmprof(jas_cmprof_t *prof) +{ + return jas_iccprof_copy(prof->iccprof); +} diff --git a/src/libjasper/base/jas_debug.c b/src/libjasper/base/jas_debug.c new file mode 100644 index 0000000..8a762d5 --- /dev/null +++ b/src/libjasper/base/jas_debug.c @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdarg.h> +#include <stdio.h> + +#include "jasper/jas_types.h" +#include "jasper/jas_debug.h" + +/******************************************************************************\ +* Local data. +\******************************************************************************/ + +static int jas_dbglevel = 0; +/* The debug level. */ + +/******************************************************************************\ +* Code for getting/setting the debug level. +\******************************************************************************/ + +/* Set the library debug level. */ +int jas_setdbglevel(int dbglevel) +{ + int olddbglevel; + + /* Save the old debug level. */ + olddbglevel = jas_dbglevel; + + /* Change the debug level. */ + jas_dbglevel = dbglevel; + + /* Return the old debug level. */ + return olddbglevel; +} + +/* Get the library debug level. */ +int jas_getdbglevel() +{ + return jas_dbglevel; +} + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +/* Perform formatted output to standard error. */ +int jas_eprintf(const char *fmt, ...) +{ + int ret; + va_list ap; + + va_start(ap, fmt); + ret = vfprintf(stderr, fmt, ap); + va_end(ap); + return ret; +} + +/* Dump memory to a stream. */ +int jas_memdump(FILE *out, void *data, size_t len) +{ + size_t i; + size_t j; + uchar *dp; + dp = data; + for (i = 0; i < len; i += 16) { + fprintf(out, "%04x:", i); + for (j = 0; j < 16; ++j) { + if (i + j < len) { + fprintf(out, " %02x", dp[i + j]); + } + } + fprintf(out, "\n"); + } + return 0; +} diff --git a/src/libjasper/base/jas_getopt.c b/src/libjasper/base/jas_getopt.c new file mode 100644 index 0000000..efb472e --- /dev/null +++ b/src/libjasper/base/jas_getopt.c @@ -0,0 +1,168 @@ +/* + * Copyright (c) 1999-2000, Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Command Line Option Parsing Library + * + * $Id: jas_getopt.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> +#include <string.h> + +#include "jasper/jas_getopt.h" +#include "jasper/jas_math.h" + +/******************************************************************************\ +* Global data. +\******************************************************************************/ + +int jas_optind = 0; +int jas_opterr = 1; +char *jas_optarg = 0; + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +static jas_opt_t *jas_optlookup(jas_opt_t *opts, char *name) +{ + jas_opt_t *opt; + + for (opt = opts; opt->id >= 0 && opt->name; ++opt) { + if (!strcmp(opt->name, name)) { + return opt; + } + } + return 0; +} + +int jas_getopt(int argc, char **argv, jas_opt_t *opts) +{ + char *cp; + int id; + int hasarg; + jas_opt_t *opt; + char *s; + + if (!jas_optind) { + jas_optind = JAS_MIN(1, argc); + } + while (jas_optind < argc) { + s = cp = argv[jas_optind]; + if (*cp == '-') { + /* We are processing an option. */ + ++jas_optind; + if (*++cp == '-') { + /* We are processing a long option. */ + ++cp; + if (*cp == '\0') { + /* This is the end of the options. */ + return JAS_GETOPT_EOF; + } + if (!(opt = jas_optlookup(opts, cp))) { + if (jas_opterr) { + jas_eprintf("unknown long option %s\n", s); + } + return JAS_GETOPT_ERR; + } + hasarg = (opt->flags & JAS_OPT_HASARG) != 0; + id = opt->id; + } else { + /* We are processing a short option. */ + if (strlen(cp) != 1 || + !(opt = jas_optlookup(opts, cp))) { + if (jas_opterr) { + jas_eprintf("unknown short option %s\n", s); + } + return JAS_GETOPT_ERR; + } + hasarg = (opt->flags & JAS_OPT_HASARG) != 0; + id = opt->id; + } + if (hasarg) { + /* The option has an argument. */ + if (jas_optind >= argc) { + if (jas_opterr) { + jas_eprintf("missing argument for option %s\n", s); + } + return JAS_GETOPT_ERR; + } + jas_optarg = argv[jas_optind]; + ++jas_optind; + } else { + /* The option does not have an argument. */ + jas_optarg = 0; + } + return id; + } else { + /* We are not processing an option. */ + return JAS_GETOPT_EOF; + } + } + return JAS_GETOPT_EOF; +} diff --git a/src/libjasper/base/jas_icc.c b/src/libjasper/base/jas_icc.c new file mode 100644 index 0000000..e5a0a2e --- /dev/null +++ b/src/libjasper/base/jas_icc.c @@ -0,0 +1,1722 @@ +/* + * Copyright (c) 2002-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +#include <assert.h> +#include <jasper/jas_config.h> +#include <jasper/jas_types.h> +#include <jasper/jas_malloc.h> +#include <jasper/jas_debug.h> +#include <jasper/jas_icc.h> +#include <jasper/jas_cm.h> +#include <jasper/jas_stream.h> +#include <jasper/jas_string.h> + +#include <stdlib.h> +#include <ctype.h> + +#define jas_iccputuint8(out, val) jas_iccputuint(out, 1, val) +#define jas_iccputuint16(out, val) jas_iccputuint(out, 2, val) +#define jas_iccputsint32(out, val) jas_iccputsint(out, 4, val) +#define jas_iccputuint32(out, val) jas_iccputuint(out, 4, val) +#define jas_iccputuint64(out, val) jas_iccputuint(out, 8, val) + +static jas_iccattrval_t *jas_iccattrval_create0(void); + +static int jas_iccgetuint(jas_stream_t *in, int n, ulonglong *val); +static int jas_iccgetuint8(jas_stream_t *in, jas_iccuint8_t *val); +static int jas_iccgetuint16(jas_stream_t *in, jas_iccuint16_t *val); +static int jas_iccgetsint32(jas_stream_t *in, jas_iccsint32_t *val); +static int jas_iccgetuint32(jas_stream_t *in, jas_iccuint32_t *val); +static int jas_iccgetuint64(jas_stream_t *in, jas_iccuint64_t *val); +static int jas_iccputuint(jas_stream_t *out, int n, ulonglong val); +static int jas_iccputsint(jas_stream_t *out, int n, longlong val); +static jas_iccprof_t *jas_iccprof_create(void); +static int jas_iccprof_readhdr(jas_stream_t *in, jas_icchdr_t *hdr); +static int jas_iccprof_writehdr(jas_stream_t *out, jas_icchdr_t *hdr); +static int jas_iccprof_gettagtab(jas_stream_t *in, jas_icctagtab_t *tagtab); +static void jas_iccprof_sorttagtab(jas_icctagtab_t *tagtab); +static int jas_iccattrtab_lookup(jas_iccattrtab_t *attrtab, jas_iccuint32_t name); +static jas_iccattrtab_t *jas_iccattrtab_copy(jas_iccattrtab_t *attrtab); +static jas_iccattrvalinfo_t *jas_iccattrvalinfo_lookup(jas_iccsig_t name); +static int jas_iccgettime(jas_stream_t *in, jas_icctime_t *time); +static int jas_iccgetxyz(jas_stream_t *in, jas_iccxyz_t *xyz); +static int jas_icctagtabent_cmp(const void *src, const void *dst); + +static void jas_icccurv_destroy(jas_iccattrval_t *attrval); +static int jas_icccurv_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval); +static int jas_icccurv_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt); +static int jas_icccurv_getsize(jas_iccattrval_t *attrval); +static int jas_icccurv_output(jas_iccattrval_t *attrval, jas_stream_t *out); +static void jas_icccurv_dump(jas_iccattrval_t *attrval, FILE *out); + +static void jas_icctxtdesc_destroy(jas_iccattrval_t *attrval); +static int jas_icctxtdesc_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval); +static int jas_icctxtdesc_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt); +static int jas_icctxtdesc_getsize(jas_iccattrval_t *attrval); +static int jas_icctxtdesc_output(jas_iccattrval_t *attrval, jas_stream_t *out); +static void jas_icctxtdesc_dump(jas_iccattrval_t *attrval, FILE *out); + +static void jas_icctxt_destroy(jas_iccattrval_t *attrval); +static int jas_icctxt_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval); +static int jas_icctxt_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt); +static int jas_icctxt_getsize(jas_iccattrval_t *attrval); +static int jas_icctxt_output(jas_iccattrval_t *attrval, jas_stream_t *out); +static void jas_icctxt_dump(jas_iccattrval_t *attrval, FILE *out); + +static int jas_iccxyz_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt); +static int jas_iccxyz_getsize(jas_iccattrval_t *attrval); +static int jas_iccxyz_output(jas_iccattrval_t *attrval, jas_stream_t *out); +static void jas_iccxyz_dump(jas_iccattrval_t *attrval, FILE *out); + +static jas_iccattrtab_t *jas_iccattrtab_create(void); +static void jas_iccattrtab_destroy(jas_iccattrtab_t *tab); +static int jas_iccattrtab_resize(jas_iccattrtab_t *tab, int maxents); +static int jas_iccattrtab_add(jas_iccattrtab_t *attrtab, int i, + jas_iccuint32_t name, jas_iccattrval_t *val); +static int jas_iccattrtab_replace(jas_iccattrtab_t *attrtab, int i, + jas_iccuint32_t name, jas_iccattrval_t *val); +static void jas_iccattrtab_delete(jas_iccattrtab_t *attrtab, int i); +static long jas_iccpadtomult(long x, long y); +static int jas_iccattrtab_get(jas_iccattrtab_t *attrtab, int i, + jas_iccattrname_t *name, jas_iccattrval_t **val); +static int jas_iccprof_puttagtab(jas_stream_t *out, jas_icctagtab_t *tagtab); + +static void jas_icclut16_destroy(jas_iccattrval_t *attrval); +static int jas_icclut16_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval); +static int jas_icclut16_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt); +static int jas_icclut16_getsize(jas_iccattrval_t *attrval); +static int jas_icclut16_output(jas_iccattrval_t *attrval, jas_stream_t *out); +static void jas_icclut16_dump(jas_iccattrval_t *attrval, FILE *out); + +static void jas_icclut8_destroy(jas_iccattrval_t *attrval); +static int jas_icclut8_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval); +static int jas_icclut8_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt); +static int jas_icclut8_getsize(jas_iccattrval_t *attrval); +static int jas_icclut8_output(jas_iccattrval_t *attrval, jas_stream_t *out); +static void jas_icclut8_dump(jas_iccattrval_t *attrval, FILE *out); + +static int jas_iccputtime(jas_stream_t *out, jas_icctime_t *ctime); +static int jas_iccputxyz(jas_stream_t *out, jas_iccxyz_t *xyz); + +static long jas_iccpowi(int x, int n); + +static char *jas_iccsigtostr(int sig, char *buf); + + +jas_iccattrvalinfo_t jas_iccattrvalinfos[] = { + {JAS_ICC_TYPE_CURV, {jas_icccurv_destroy, jas_icccurv_copy, + jas_icccurv_input, jas_icccurv_output, jas_icccurv_getsize, + jas_icccurv_dump}}, + {JAS_ICC_TYPE_XYZ, {0, 0, jas_iccxyz_input, jas_iccxyz_output, + jas_iccxyz_getsize, jas_iccxyz_dump}}, + {JAS_ICC_TYPE_TXTDESC, {jas_icctxtdesc_destroy, + jas_icctxtdesc_copy, jas_icctxtdesc_input, jas_icctxtdesc_output, + jas_icctxtdesc_getsize, jas_icctxtdesc_dump}}, + {JAS_ICC_TYPE_TXT, {jas_icctxt_destroy, jas_icctxt_copy, + jas_icctxt_input, jas_icctxt_output, jas_icctxt_getsize, + jas_icctxt_dump}}, + {JAS_ICC_TYPE_LUT8, {jas_icclut8_destroy, jas_icclut8_copy, + jas_icclut8_input, jas_icclut8_output, jas_icclut8_getsize, + jas_icclut8_dump}}, + {JAS_ICC_TYPE_LUT16, {jas_icclut16_destroy, jas_icclut16_copy, + jas_icclut16_input, jas_icclut16_output, jas_icclut16_getsize, + jas_icclut16_dump}}, + {0, {0, 0, 0, 0, 0, 0}} +}; + +typedef struct { + jas_iccuint32_t tag; + char *name; +} jas_icctaginfo_t; + +/******************************************************************************\ +* profile class +\******************************************************************************/ + +static jas_iccprof_t *jas_iccprof_create() +{ + jas_iccprof_t *prof; + prof = 0; + if (!(prof = jas_malloc(sizeof(jas_iccprof_t)))) { + goto error; + } + if (!(prof->attrtab = jas_iccattrtab_create())) + goto error; + memset(&prof->hdr, 0, sizeof(jas_icchdr_t)); + prof->tagtab.numents = 0; + prof->tagtab.ents = 0; + return prof; +error: + if (prof) + jas_iccprof_destroy(prof); + return 0; +} + +jas_iccprof_t *jas_iccprof_copy(jas_iccprof_t *prof) +{ + jas_iccprof_t *newprof; + newprof = 0; + if (!(newprof = jas_iccprof_create())) + goto error; + newprof->hdr = prof->hdr; + newprof->tagtab.numents = 0; + newprof->tagtab.ents = 0; + assert(newprof->attrtab); + jas_iccattrtab_destroy(newprof->attrtab); + if (!(newprof->attrtab = jas_iccattrtab_copy(prof->attrtab))) + goto error; + return newprof; +error: + if (newprof) + jas_iccprof_destroy(newprof); + return 0; +} + +void jas_iccprof_destroy(jas_iccprof_t *prof) +{ + if (prof->attrtab) + jas_iccattrtab_destroy(prof->attrtab); + if (prof->tagtab.ents) + jas_free(prof->tagtab.ents); + jas_free(prof); +} + +void jas_iccprof_dump(jas_iccprof_t *prof, FILE *out) +{ + jas_iccattrtab_dump(prof->attrtab, out); +} + +jas_iccprof_t *jas_iccprof_load(jas_stream_t *in) +{ + jas_iccprof_t *prof; + int numtags; + long curoff; + long reloff; + long prevoff; + jas_iccsig_t type; + jas_iccattrval_t *attrval; + jas_iccattrval_t *prevattrval; + jas_icctagtabent_t *tagtabent; + jas_iccattrvalinfo_t *attrvalinfo; + int i; + int len; + + prof = 0; + attrval = 0; + + if (!(prof = jas_iccprof_create())) { + goto error; + } + + if (jas_iccprof_readhdr(in, &prof->hdr)) { + jas_eprintf("cannot get header\n"); + goto error; + } + if (jas_iccprof_gettagtab(in, &prof->tagtab)) { + jas_eprintf("cannot get tab table\n"); + goto error; + } + jas_iccprof_sorttagtab(&prof->tagtab); + + numtags = prof->tagtab.numents; + curoff = JAS_ICC_HDRLEN + 4 + 12 * numtags; + prevoff = 0; + prevattrval = 0; + for (i = 0; i < numtags; ++i) { + tagtabent = &prof->tagtab.ents[i]; + if (tagtabent->off == JAS_CAST(jas_iccuint32_t, prevoff)) { + if (prevattrval) { + if (!(attrval = jas_iccattrval_clone(prevattrval))) + goto error; + if (jas_iccprof_setattr(prof, tagtabent->tag, attrval)) + goto error; + jas_iccattrval_destroy(attrval); + } else { +#if 0 + jas_eprintf("warning: skipping unknown tag type\n"); +#endif + } + continue; + } + reloff = tagtabent->off - curoff; + if (reloff > 0) { + if (jas_stream_gobble(in, reloff) != reloff) + goto error; + curoff += reloff; + } else if (reloff < 0) { + /* This should never happen since we read the tagged + element data in a single pass. */ + abort(); + } + prevoff = curoff; + if (jas_iccgetuint32(in, &type)) { + goto error; + } + if (jas_stream_gobble(in, 4) != 4) { + goto error; + } + curoff += 8; + if (!(attrvalinfo = jas_iccattrvalinfo_lookup(type))) { +#if 0 + jas_eprintf("warning: skipping unknown tag type\n"); +#endif + prevattrval = 0; + continue; + } + if (!(attrval = jas_iccattrval_create(type))) { + goto error; + } + len = tagtabent->len - 8; + if ((*attrval->ops->input)(attrval, in, len)) { + goto error; + } + curoff += len; + if (jas_iccprof_setattr(prof, tagtabent->tag, attrval)) { + goto error; + } + prevattrval = attrval; /* This is correct, but slimey. */ + jas_iccattrval_destroy(attrval); + attrval = 0; + } + + return prof; + +error: + if (prof) + jas_iccprof_destroy(prof); + if (attrval) + jas_iccattrval_destroy(attrval); + return 0; +} + +int jas_iccprof_save(jas_iccprof_t *prof, jas_stream_t *out) +{ + long curoff; + long reloff; + long newoff; + int i; + int j; + jas_icctagtabent_t *tagtabent; + jas_icctagtabent_t *sharedtagtabent; + jas_icctagtabent_t *tmptagtabent; + jas_iccuint32_t attrname; + jas_iccattrval_t *attrval; + jas_icctagtab_t *tagtab; + + tagtab = &prof->tagtab; + if (!(tagtab->ents = jas_malloc(prof->attrtab->numattrs * + sizeof(jas_icctagtabent_t)))) + goto error; + tagtab->numents = prof->attrtab->numattrs; + curoff = JAS_ICC_HDRLEN + 4 + 12 * tagtab->numents; + for (i = 0; i < JAS_CAST(int, tagtab->numents); ++i) { + tagtabent = &tagtab->ents[i]; + if (jas_iccattrtab_get(prof->attrtab, i, &attrname, &attrval)) + goto error; + assert(attrval->ops->output); + tagtabent->tag = attrname; + tagtabent->data = &attrval->data; + sharedtagtabent = 0; + for (j = 0; j < i; ++j) { + tmptagtabent = &tagtab->ents[j]; + if (tagtabent->data == tmptagtabent->data) { + sharedtagtabent = tmptagtabent; + break; + } + } + if (sharedtagtabent) { + tagtabent->off = sharedtagtabent->off; + tagtabent->len = sharedtagtabent->len; + tagtabent->first = sharedtagtabent; + } else { + tagtabent->off = curoff; + tagtabent->len = (*attrval->ops->getsize)(attrval) + 8; + tagtabent->first = 0; + if (i < JAS_CAST(int, tagtab->numents - 1)) { + curoff = jas_iccpadtomult(curoff + tagtabent->len, 4); + } else { + curoff += tagtabent->len; + } + } + jas_iccattrval_destroy(attrval); + } + prof->hdr.size = curoff; + if (jas_iccprof_writehdr(out, &prof->hdr)) + goto error; + if (jas_iccprof_puttagtab(out, &prof->tagtab)) + goto error; + curoff = JAS_ICC_HDRLEN + 4 + 12 * tagtab->numents; + for (i = 0; i < JAS_CAST(int, tagtab->numents);) { + tagtabent = &tagtab->ents[i]; + assert(curoff == JAS_CAST(long, tagtabent->off)); + if (jas_iccattrtab_get(prof->attrtab, i, &attrname, &attrval)) + goto error; + if (jas_iccputuint32(out, attrval->type) || jas_stream_pad(out, + 4, 0) != 4) + goto error; + if ((*attrval->ops->output)(attrval, out)) + goto error; + jas_iccattrval_destroy(attrval); + curoff += tagtabent->len; + ++i; + while (i < JAS_CAST(int, tagtab->numents) && + tagtab->ents[i].first) + ++i; + newoff = (i < JAS_CAST(int, tagtab->numents)) ? + tagtab->ents[i].off : prof->hdr.size; + reloff = newoff - curoff; + assert(reloff >= 0); + if (reloff > 0) { + if (jas_stream_pad(out, reloff, 0) != reloff) + goto error; + curoff += reloff; + } + } + return 0; +error: + /* XXX - need to free some resources here */ + return -1; +} + +static int jas_iccprof_writehdr(jas_stream_t *out, jas_icchdr_t *hdr) +{ + if (jas_iccputuint32(out, hdr->size) || + jas_iccputuint32(out, hdr->cmmtype) || + jas_iccputuint32(out, hdr->version) || + jas_iccputuint32(out, hdr->clas) || + jas_iccputuint32(out, hdr->colorspc) || + jas_iccputuint32(out, hdr->refcolorspc) || + jas_iccputtime(out, &hdr->ctime) || + jas_iccputuint32(out, hdr->magic) || + jas_iccputuint32(out, hdr->platform) || + jas_iccputuint32(out, hdr->flags) || + jas_iccputuint32(out, hdr->maker) || + jas_iccputuint32(out, hdr->model) || + jas_iccputuint64(out, hdr->attr) || + jas_iccputuint32(out, hdr->intent) || + jas_iccputxyz(out, &hdr->illum) || + jas_iccputuint32(out, hdr->creator) || + jas_stream_pad(out, 44, 0) != 44) + return -1; + return 0; +} + +static int jas_iccprof_puttagtab(jas_stream_t *out, jas_icctagtab_t *tagtab) +{ + int i; + jas_icctagtabent_t *tagtabent; + if (jas_iccputuint32(out, tagtab->numents)) + goto error; + for (i = 0; i < JAS_CAST(int, tagtab->numents); ++i) { + tagtabent = &tagtab->ents[i]; + if (jas_iccputuint32(out, tagtabent->tag) || + jas_iccputuint32(out, tagtabent->off) || + jas_iccputuint32(out, tagtabent->len)) + goto error; + } + return 0; +error: + return -1; +} + +static int jas_iccprof_readhdr(jas_stream_t *in, jas_icchdr_t *hdr) +{ + if (jas_iccgetuint32(in, &hdr->size) || + jas_iccgetuint32(in, &hdr->cmmtype) || + jas_iccgetuint32(in, &hdr->version) || + jas_iccgetuint32(in, &hdr->clas) || + jas_iccgetuint32(in, &hdr->colorspc) || + jas_iccgetuint32(in, &hdr->refcolorspc) || + jas_iccgettime(in, &hdr->ctime) || + jas_iccgetuint32(in, &hdr->magic) || + jas_iccgetuint32(in, &hdr->platform) || + jas_iccgetuint32(in, &hdr->flags) || + jas_iccgetuint32(in, &hdr->maker) || + jas_iccgetuint32(in, &hdr->model) || + jas_iccgetuint64(in, &hdr->attr) || + jas_iccgetuint32(in, &hdr->intent) || + jas_iccgetxyz(in, &hdr->illum) || + jas_iccgetuint32(in, &hdr->creator) || + jas_stream_gobble(in, 44) != 44) + return -1; + return 0; +} + +static int jas_iccprof_gettagtab(jas_stream_t *in, jas_icctagtab_t *tagtab) +{ + int i; + jas_icctagtabent_t *tagtabent; + + if (tagtab->ents) { + jas_free(tagtab->ents); + tagtab->ents = 0; + } + if (jas_iccgetuint32(in, &tagtab->numents)) + goto error; + if (!(tagtab->ents = jas_malloc(tagtab->numents * + sizeof(jas_icctagtabent_t)))) + goto error; + tagtabent = tagtab->ents; + for (i = 0; i < JAS_CAST(long, tagtab->numents); ++i) { + if (jas_iccgetuint32(in, &tagtabent->tag) || + jas_iccgetuint32(in, &tagtabent->off) || + jas_iccgetuint32(in, &tagtabent->len)) + goto error; + ++tagtabent; + } + return 0; +error: + if (tagtab->ents) { + jas_free(tagtab->ents); + tagtab->ents = 0; + } + return -1; +} + +jas_iccattrval_t *jas_iccprof_getattr(jas_iccprof_t *prof, + jas_iccattrname_t name) +{ + int i; + jas_iccattrval_t *attrval; + if ((i = jas_iccattrtab_lookup(prof->attrtab, name)) < 0) + goto error; + if (!(attrval = jas_iccattrval_clone(prof->attrtab->attrs[i].val))) + goto error; + return attrval; +error: + return 0; +} + +int jas_iccprof_setattr(jas_iccprof_t *prof, jas_iccattrname_t name, + jas_iccattrval_t *val) +{ + int i; + if ((i = jas_iccattrtab_lookup(prof->attrtab, name)) >= 0) { + if (val) { + if (jas_iccattrtab_replace(prof->attrtab, i, name, val)) + goto error; + } else { + jas_iccattrtab_delete(prof->attrtab, i); + } + } else { + if (val) { + if (jas_iccattrtab_add(prof->attrtab, -1, name, val)) + goto error; + } else { + /* NOP */ + } + } + return 0; +error: + return -1; +} + +int jas_iccprof_gethdr(jas_iccprof_t *prof, jas_icchdr_t *hdr) +{ + *hdr = prof->hdr; + return 0; +} + +int jas_iccprof_sethdr(jas_iccprof_t *prof, jas_icchdr_t *hdr) +{ + prof->hdr = *hdr; + return 0; +} + +static void jas_iccprof_sorttagtab(jas_icctagtab_t *tagtab) +{ + qsort(tagtab->ents, tagtab->numents, sizeof(jas_icctagtabent_t), + jas_icctagtabent_cmp); +} + +static int jas_icctagtabent_cmp(const void *src, const void *dst) +{ + jas_icctagtabent_t *srctagtabent = JAS_CAST(jas_icctagtabent_t *, src); + jas_icctagtabent_t *dsttagtabent = JAS_CAST(jas_icctagtabent_t *, dst); + if (srctagtabent->off > dsttagtabent->off) { + return 1; + } else if (srctagtabent->off < dsttagtabent->off) { + return -1; + } + return 0; +} + +static jas_iccattrvalinfo_t *jas_iccattrvalinfo_lookup(jas_iccsig_t type) +{ + jas_iccattrvalinfo_t *info; + info = jas_iccattrvalinfos; + for (info = jas_iccattrvalinfos; info->type; ++info) { + if (info->type == type) { + return info; + } + } + return 0; +} + +static int jas_iccgettime(jas_stream_t *in, jas_icctime_t *time) +{ + if (jas_iccgetuint16(in, &time->year) || + jas_iccgetuint16(in, &time->month) || + jas_iccgetuint16(in, &time->day) || + jas_iccgetuint16(in, &time->hour) || + jas_iccgetuint16(in, &time->min) || + jas_iccgetuint16(in, &time->sec)) { + return -1; + } + return 0; +} + +static int jas_iccgetxyz(jas_stream_t *in, jas_iccxyz_t *xyz) +{ + if (jas_iccgetsint32(in, &xyz->x) || + jas_iccgetsint32(in, &xyz->y) || + jas_iccgetsint32(in, &xyz->z)) { + return -1; + } + return 0; +} + +static int jas_iccputtime(jas_stream_t *out, jas_icctime_t *time) +{ + jas_iccputuint16(out, time->year); + jas_iccputuint16(out, time->month); + jas_iccputuint16(out, time->day); + jas_iccputuint16(out, time->hour); + jas_iccputuint16(out, time->min); + jas_iccputuint16(out, time->sec); + return 0; +} + +static int jas_iccputxyz(jas_stream_t *out, jas_iccxyz_t *xyz) +{ + jas_iccputuint32(out, xyz->x); + jas_iccputuint32(out, xyz->y); + jas_iccputuint32(out, xyz->z); + return 0; +} + +/******************************************************************************\ +* attribute table class +\******************************************************************************/ + +static jas_iccattrtab_t *jas_iccattrtab_create() +{ + jas_iccattrtab_t *tab; + tab = 0; + if (!(tab = jas_malloc(sizeof(jas_iccattrtab_t)))) + goto error; + tab->maxattrs = 0; + tab->numattrs = 0; + tab->attrs = 0; + if (jas_iccattrtab_resize(tab, 32)) + goto error; + return tab; +error: + if (tab) + jas_iccattrtab_destroy(tab); + return 0; +} + +static jas_iccattrtab_t *jas_iccattrtab_copy(jas_iccattrtab_t *attrtab) +{ + jas_iccattrtab_t *newattrtab; + int i; + if (!(newattrtab = jas_iccattrtab_create())) + goto error; + for (i = 0; i < attrtab->numattrs; ++i) { + if (jas_iccattrtab_add(newattrtab, i, attrtab->attrs[i].name, + attrtab->attrs[i].val)) + goto error; + } + return newattrtab; +error: + return 0; +} + +static void jas_iccattrtab_destroy(jas_iccattrtab_t *tab) +{ + if (tab->attrs) { + while (tab->numattrs > 0) { + jas_iccattrtab_delete(tab, 0); + } + jas_free(tab->attrs); + } + jas_free(tab); +} + +void jas_iccattrtab_dump(jas_iccattrtab_t *attrtab, FILE *out) +{ + int i; + jas_iccattr_t *attr; + jas_iccattrval_t *attrval; + jas_iccattrvalinfo_t *info; + char buf[16]; + fprintf(out, "numattrs=%d\n", attrtab->numattrs); + fprintf(out, "---\n"); + for (i = 0; i < attrtab->numattrs; ++i) { + attr = &attrtab->attrs[i]; + attrval = attr->val; + info = jas_iccattrvalinfo_lookup(attrval->type); + if (!info) abort(); + fprintf(out, "attrno=%d; attrname=\"%s\"(0x%08x); attrtype=\"%s\"(0x%08x)\n", + i, + jas_iccsigtostr(attr->name, &buf[0]), + attr->name, + jas_iccsigtostr(attrval->type, &buf[8]), + attrval->type + ); + jas_iccattrval_dump(attrval, out); + fprintf(out, "---\n"); + } +} + +static int jas_iccattrtab_resize(jas_iccattrtab_t *tab, int maxents) +{ + jas_iccattr_t *newattrs; + assert(maxents >= tab->numattrs); + newattrs = tab->attrs ? jas_realloc(tab->attrs, maxents * + sizeof(jas_iccattr_t)) : jas_malloc(maxents * sizeof(jas_iccattr_t)); + if (!newattrs) + return -1; + tab->attrs = newattrs; + tab->maxattrs = maxents; + return 0; +} + +static int jas_iccattrtab_add(jas_iccattrtab_t *attrtab, int i, + jas_iccuint32_t name, jas_iccattrval_t *val) +{ + int n; + jas_iccattr_t *attr; + jas_iccattrval_t *tmpattrval; + tmpattrval = 0; + if (i < 0) { + i = attrtab->numattrs; + } + assert(i >= 0 && i <= attrtab->numattrs); + if (attrtab->numattrs >= attrtab->maxattrs) { + if (jas_iccattrtab_resize(attrtab, attrtab->numattrs + 32)) { + goto error; + } + } + if (!(tmpattrval = jas_iccattrval_clone(val))) + goto error; + n = attrtab->numattrs - i; + if (n > 0) + memmove(&attrtab->attrs[i + 1], &attrtab->attrs[i], + n * sizeof(jas_iccattr_t)); + attr = &attrtab->attrs[i]; + attr->name = name; + attr->val = tmpattrval; + ++attrtab->numattrs; + return 0; +error: + if (tmpattrval) + jas_iccattrval_destroy(tmpattrval); + return -1; +} + +static int jas_iccattrtab_replace(jas_iccattrtab_t *attrtab, int i, + jas_iccuint32_t name, jas_iccattrval_t *val) +{ + jas_iccattrval_t *newval; + jas_iccattr_t *attr; + if (!(newval = jas_iccattrval_clone(val))) + goto error; + attr = &attrtab->attrs[i]; + jas_iccattrval_destroy(attr->val); + attr->name = name; + attr->val = newval; + return 0; +error: + return -1; +} + +static void jas_iccattrtab_delete(jas_iccattrtab_t *attrtab, int i) +{ + int n; + jas_iccattrval_destroy(attrtab->attrs[i].val); + if ((n = attrtab->numattrs - i - 1) > 0) + memmove(&attrtab->attrs[i], &attrtab->attrs[i + 1], + n * sizeof(jas_iccattr_t)); + --attrtab->numattrs; +} + +static int jas_iccattrtab_get(jas_iccattrtab_t *attrtab, int i, + jas_iccattrname_t *name, jas_iccattrval_t **val) +{ + jas_iccattr_t *attr; + if (i < 0 || i >= attrtab->numattrs) + goto error; + attr = &attrtab->attrs[i]; + *name = attr->name; + if (!(*val = jas_iccattrval_clone(attr->val))) + goto error; + return 0; +error: + return -1; +} + +static int jas_iccattrtab_lookup(jas_iccattrtab_t *attrtab, + jas_iccuint32_t name) +{ + int i; + jas_iccattr_t *attr; + for (i = 0; i < attrtab->numattrs; ++i) { + attr = &attrtab->attrs[i]; + if (attr->name == name) + return i; + } + return -1; +} + +/******************************************************************************\ +* attribute value class +\******************************************************************************/ + +jas_iccattrval_t *jas_iccattrval_create(jas_iccuint32_t type) +{ + jas_iccattrval_t *attrval; + jas_iccattrvalinfo_t *info; + + if (!(info = jas_iccattrvalinfo_lookup(type))) + goto error; + if (!(attrval = jas_iccattrval_create0())) + goto error; + attrval->ops = &info->ops; + attrval->type = type; + ++attrval->refcnt; + memset(&attrval->data, 0, sizeof(attrval->data)); + return attrval; +error: + return 0; +} + +jas_iccattrval_t *jas_iccattrval_clone(jas_iccattrval_t *attrval) +{ + ++attrval->refcnt; + return attrval; +} + +void jas_iccattrval_destroy(jas_iccattrval_t *attrval) +{ +#if 0 +jas_eprintf("refcnt=%d\n", attrval->refcnt); +#endif + if (--attrval->refcnt <= 0) { + if (attrval->ops->destroy) + (*attrval->ops->destroy)(attrval); + jas_free(attrval); + } +} + +void jas_iccattrval_dump(jas_iccattrval_t *attrval, FILE *out) +{ + char buf[8]; + jas_iccsigtostr(attrval->type, buf); + fprintf(out, "refcnt = %d; type = 0x%08x %s\n", attrval->refcnt, + attrval->type, jas_iccsigtostr(attrval->type, &buf[0])); + if (attrval->ops->dump) { + (*attrval->ops->dump)(attrval, out); + } +} + +int jas_iccattrval_allowmodify(jas_iccattrval_t **attrvalx) +{ + jas_iccattrval_t *newattrval; + jas_iccattrval_t *attrval = *attrvalx; + newattrval = 0; + if (attrval->refcnt > 1) { + if (!(newattrval = jas_iccattrval_create0())) + goto error; + newattrval->ops = attrval->ops; + newattrval->type = attrval->type; + ++newattrval->refcnt; + if (newattrval->ops->copy) { + if ((*newattrval->ops->copy)(newattrval, attrval)) + goto error; + } else { + memcpy(&newattrval->data, &attrval->data, + sizeof(newattrval->data)); + } + *attrvalx = newattrval; + } + return 0; +error: + if (newattrval) { + jas_free(newattrval); + } + return -1; +} + +static jas_iccattrval_t *jas_iccattrval_create0() +{ + jas_iccattrval_t *attrval; + if (!(attrval = jas_malloc(sizeof(jas_iccattrval_t)))) + return 0; + memset(attrval, 0, sizeof(jas_iccattrval_t)); + attrval->refcnt = 0; + attrval->ops = 0; + attrval->type = 0; + return attrval; +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static int jas_iccxyz_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int len) +{ + if (len != 4 * 3) abort(); + return jas_iccgetxyz(in, &attrval->data.xyz); +} + +static int jas_iccxyz_output(jas_iccattrval_t *attrval, jas_stream_t *out) +{ + jas_iccxyz_t *xyz = &attrval->data.xyz; + if (jas_iccputuint32(out, xyz->x) || + jas_iccputuint32(out, xyz->y) || + jas_iccputuint32(out, xyz->z)) + return -1; + return 0; +} + +static int jas_iccxyz_getsize(jas_iccattrval_t *attrval) +{ + /* Avoid compiler warnings about unused parameters. */ + attrval = 0; + + return 12; +} + +static void jas_iccxyz_dump(jas_iccattrval_t *attrval, FILE *out) +{ + jas_iccxyz_t *xyz = &attrval->data.xyz; + fprintf(out, "(%f, %f, %f)\n", xyz->x / 65536.0, xyz->y / 65536.0, xyz->z / 65536.0); +} + +/******************************************************************************\ +* attribute table class +\******************************************************************************/ + +static void jas_icccurv_destroy(jas_iccattrval_t *attrval) +{ + jas_icccurv_t *curv = &attrval->data.curv; + if (curv->ents) + jas_free(curv->ents); +} + +static int jas_icccurv_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval) +{ + /* Avoid compiler warnings about unused parameters. */ + attrval = 0; + othattrval = 0; + + /* Not yet implemented. */ + abort(); + return -1; +} + +static int jas_icccurv_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt) +{ + jas_icccurv_t *curv = &attrval->data.curv; + unsigned int i; + + curv->numents = 0; + curv->ents = 0; + + if (jas_iccgetuint32(in, &curv->numents)) + goto error; + if (!(curv->ents = jas_malloc(curv->numents * sizeof(jas_iccuint16_t)))) + goto error; + for (i = 0; i < curv->numents; ++i) { + if (jas_iccgetuint16(in, &curv->ents[i])) + goto error; + } + + if (JAS_CAST(int, 4 + 2 * curv->numents) != cnt) + goto error; + return 0; + +error: + jas_icccurv_destroy(attrval); + return -1; +} + +static int jas_icccurv_getsize(jas_iccattrval_t *attrval) +{ + jas_icccurv_t *curv = &attrval->data.curv; + return 4 + 2 * curv->numents; +} + +static int jas_icccurv_output(jas_iccattrval_t *attrval, jas_stream_t *out) +{ + jas_icccurv_t *curv = &attrval->data.curv; + unsigned int i; + + if (jas_iccputuint32(out, curv->numents)) + goto error; + for (i = 0; i < curv->numents; ++i) { + if (jas_iccputuint16(out, curv->ents[i])) + goto error; + } + return 0; +error: + return -1; +} + +static void jas_icccurv_dump(jas_iccattrval_t *attrval, FILE *out) +{ + int i; + jas_icccurv_t *curv = &attrval->data.curv; + fprintf(out, "number of entires = %d\n", curv->numents); + if (curv->numents == 1) { + fprintf(out, "gamma = %f\n", curv->ents[0] / 256.0); + } else { + for (i = 0; i < JAS_CAST(int, curv->numents); ++i) { + if (i < 3 || i >= JAS_CAST(int, curv->numents) - 3) { + fprintf(out, "entry[%d] = %f\n", i, curv->ents[i] / 65535.0); + } + } + } +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static void jas_icctxtdesc_destroy(jas_iccattrval_t *attrval) +{ + jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc; + if (txtdesc->ascdata) + jas_free(txtdesc->ascdata); + if (txtdesc->ucdata) + jas_free(txtdesc->ucdata); +} + +static int jas_icctxtdesc_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval) +{ + jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc; + + /* Avoid compiler warnings about unused parameters. */ + attrval = 0; + othattrval = 0; + txtdesc = 0; + + /* Not yet implemented. */ + abort(); + return -1; +} + +static int jas_icctxtdesc_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt) +{ + int n; + int c; + jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc; + txtdesc->ascdata = 0; + txtdesc->ucdata = 0; + if (jas_iccgetuint32(in, &txtdesc->asclen)) + goto error; + if (!(txtdesc->ascdata = jas_malloc(txtdesc->asclen))) + goto error; + if (jas_stream_read(in, txtdesc->ascdata, txtdesc->asclen) != + JAS_CAST(int, txtdesc->asclen)) + goto error; + txtdesc->ascdata[txtdesc->asclen - 1] = '\0'; + if (jas_iccgetuint32(in, &txtdesc->uclangcode) || + jas_iccgetuint32(in, &txtdesc->uclen)) + goto error; + if (!(txtdesc->ucdata = jas_malloc(txtdesc->uclen * 2))) + goto error; + if (jas_stream_read(in, txtdesc->ucdata, txtdesc->uclen * 2) != + JAS_CAST(int, txtdesc->uclen * 2)) + goto error; + if (jas_iccgetuint16(in, &txtdesc->sccode)) + goto error; + if ((c = jas_stream_getc(in)) == EOF) + goto error; + txtdesc->maclen = c; + if (jas_stream_read(in, txtdesc->macdata, 67) != 67) + goto error; + txtdesc->asclen = strlen(txtdesc->ascdata) + 1; +#define WORKAROUND_BAD_PROFILES +#ifdef WORKAROUND_BAD_PROFILES + n = txtdesc->asclen + txtdesc->uclen * 2 + 15 + 67; + if (n > cnt) { + return -1; + } + if (n < cnt) { + if (jas_stream_gobble(in, cnt - n) != cnt - n) + goto error; + } +#else + if (txtdesc->asclen + txtdesc->uclen * 2 + 15 + 67 != cnt) + return -1; +#endif + return 0; +error: + jas_icctxtdesc_destroy(attrval); + return -1; +} + +static int jas_icctxtdesc_getsize(jas_iccattrval_t *attrval) +{ + jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc; + return strlen(txtdesc->ascdata) + 1 + txtdesc->uclen * 2 + 15 + 67; +} + +static int jas_icctxtdesc_output(jas_iccattrval_t *attrval, jas_stream_t *out) +{ + jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc; + if (jas_iccputuint32(out, txtdesc->asclen) || + jas_stream_puts(out, txtdesc->ascdata) || + jas_stream_putc(out, 0) == EOF || + jas_iccputuint32(out, txtdesc->uclangcode) || + jas_iccputuint32(out, txtdesc->uclen) || + jas_stream_write(out, txtdesc->ucdata, txtdesc->uclen * 2) != JAS_CAST(int, txtdesc->uclen * 2) || + jas_iccputuint16(out, txtdesc->sccode) || + jas_stream_putc(out, txtdesc->maclen) == EOF) + goto error; + if (txtdesc->maclen > 0) { + if (jas_stream_write(out, txtdesc->macdata, 67) != 67) + goto error; + } else { + if (jas_stream_pad(out, 67, 0) != 67) + goto error; + } + return 0; +error: + return -1; +} + +static void jas_icctxtdesc_dump(jas_iccattrval_t *attrval, FILE *out) +{ + jas_icctxtdesc_t *txtdesc = &attrval->data.txtdesc; + fprintf(out, "ascii = \"%s\"\n", txtdesc->ascdata); + fprintf(out, "uclangcode = %d; uclen = %d\n", txtdesc->uclangcode, + txtdesc->uclen); + fprintf(out, "sccode = %d\n", txtdesc->sccode); + fprintf(out, "maclen = %d\n", txtdesc->maclen); +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static void jas_icctxt_destroy(jas_iccattrval_t *attrval) +{ + jas_icctxt_t *txt = &attrval->data.txt; + if (txt->string) + jas_free(txt->string); +} + +static int jas_icctxt_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval) +{ + jas_icctxt_t *txt = &attrval->data.txt; + jas_icctxt_t *othtxt = &othattrval->data.txt; + if (!(txt->string = jas_strdup(othtxt->string))) + return -1; + return 0; +} + +static int jas_icctxt_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt) +{ + jas_icctxt_t *txt = &attrval->data.txt; + txt->string = 0; + if (!(txt->string = jas_malloc(cnt))) + goto error; + if (jas_stream_read(in, txt->string, cnt) != cnt) + goto error; + txt->string[cnt - 1] = '\0'; + if (JAS_CAST(int, strlen(txt->string)) + 1 != cnt) + goto error; + return 0; +error: + if (txt->string) + jas_free(txt->string); + return -1; +} + +static int jas_icctxt_getsize(jas_iccattrval_t *attrval) +{ + jas_icctxt_t *txt = &attrval->data.txt; + return strlen(txt->string) + 1; +} + +static int jas_icctxt_output(jas_iccattrval_t *attrval, jas_stream_t *out) +{ + jas_icctxt_t *txt = &attrval->data.txt; + if (jas_stream_puts(out, txt->string) || + jas_stream_putc(out, 0) == EOF) + return -1; + return 0; +} + +static void jas_icctxt_dump(jas_iccattrval_t *attrval, FILE *out) +{ + jas_icctxt_t *txt = &attrval->data.txt; + fprintf(out, "string = \"%s\"\n", txt->string); +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static void jas_icclut8_destroy(jas_iccattrval_t *attrval) +{ + jas_icclut8_t *lut8 = &attrval->data.lut8; + if (lut8->clut) + jas_free(lut8->clut); + if (lut8->intabs) + jas_free(lut8->intabs); + if (lut8->intabsbuf) + jas_free(lut8->intabsbuf); + if (lut8->outtabs) + jas_free(lut8->outtabs); + if (lut8->outtabsbuf) + jas_free(lut8->outtabsbuf); +} + +static int jas_icclut8_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval) +{ + jas_icclut8_t *lut8 = &attrval->data.lut8; + /* Avoid compiler warnings about unused parameters. */ + attrval = 0; + othattrval = 0; + lut8 = 0; + abort(); + return -1; +} + +static int jas_icclut8_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt) +{ + int i; + int j; + int clutsize; + jas_icclut8_t *lut8 = &attrval->data.lut8; + lut8->clut = 0; + lut8->intabs = 0; + lut8->intabsbuf = 0; + lut8->outtabs = 0; + lut8->outtabsbuf = 0; + if (jas_iccgetuint8(in, &lut8->numinchans) || + jas_iccgetuint8(in, &lut8->numoutchans) || + jas_iccgetuint8(in, &lut8->clutlen) || + jas_stream_getc(in) == EOF) + goto error; + for (i = 0; i < 3; ++i) { + for (j = 0; j < 3; ++j) { + if (jas_iccgetsint32(in, &lut8->e[i][j])) + goto error; + } + } + if (jas_iccgetuint16(in, &lut8->numintabents) || + jas_iccgetuint16(in, &lut8->numouttabents)) + goto error; + clutsize = jas_iccpowi(lut8->clutlen, lut8->numinchans) * lut8->numoutchans; + if (!(lut8->clut = jas_malloc(clutsize * sizeof(jas_iccuint8_t))) || + !(lut8->intabsbuf = jas_malloc(lut8->numinchans * + lut8->numintabents * sizeof(jas_iccuint8_t))) || + !(lut8->intabs = jas_malloc(lut8->numinchans * + sizeof(jas_iccuint8_t *)))) + goto error; + for (i = 0; i < lut8->numinchans; ++i) + lut8->intabs[i] = &lut8->intabsbuf[i * lut8->numintabents]; + if (!(lut8->outtabsbuf = jas_malloc(lut8->numoutchans * + lut8->numouttabents * sizeof(jas_iccuint8_t))) || + !(lut8->outtabs = jas_malloc(lut8->numoutchans * + sizeof(jas_iccuint8_t *)))) + goto error; + for (i = 0; i < lut8->numoutchans; ++i) + lut8->outtabs[i] = &lut8->outtabsbuf[i * lut8->numouttabents]; + for (i = 0; i < lut8->numinchans; ++i) { + for (j = 0; j < JAS_CAST(int, lut8->numintabents); ++j) { + if (jas_iccgetuint8(in, &lut8->intabs[i][j])) + goto error; + } + } + for (i = 0; i < lut8->numoutchans; ++i) { + for (j = 0; j < JAS_CAST(int, lut8->numouttabents); ++j) { + if (jas_iccgetuint8(in, &lut8->outtabs[i][j])) + goto error; + } + } + for (i = 0; i < clutsize; ++i) { + if (jas_iccgetuint8(in, &lut8->clut[i])) + goto error; + } + if (JAS_CAST(int, 44 + lut8->numinchans * lut8->numintabents + + lut8->numoutchans * lut8->numouttabents + + jas_iccpowi(lut8->clutlen, lut8->numinchans) * lut8->numoutchans) != + cnt) + goto error; + return 0; +error: + jas_icclut8_destroy(attrval); + return -1; +} + +static int jas_icclut8_getsize(jas_iccattrval_t *attrval) +{ + jas_icclut8_t *lut8 = &attrval->data.lut8; + return 44 + lut8->numinchans * lut8->numintabents + + lut8->numoutchans * lut8->numouttabents + + jas_iccpowi(lut8->clutlen, lut8->numinchans) * lut8->numoutchans; +} + +static int jas_icclut8_output(jas_iccattrval_t *attrval, jas_stream_t *out) +{ + jas_icclut8_t *lut8 = &attrval->data.lut8; + int i; + int j; + int n; + lut8->clut = 0; + lut8->intabs = 0; + lut8->intabsbuf = 0; + lut8->outtabs = 0; + lut8->outtabsbuf = 0; + if (jas_stream_putc(out, lut8->numinchans) == EOF || + jas_stream_putc(out, lut8->numoutchans) == EOF || + jas_stream_putc(out, lut8->clutlen) == EOF || + jas_stream_putc(out, 0) == EOF) + goto error; + for (i = 0; i < 3; ++i) { + for (j = 0; j < 3; ++j) { + if (jas_iccputsint32(out, lut8->e[i][j])) + goto error; + } + } + if (jas_iccputuint16(out, lut8->numintabents) || + jas_iccputuint16(out, lut8->numouttabents)) + goto error; + n = lut8->numinchans * lut8->numintabents; + for (i = 0; i < n; ++i) { + if (jas_iccputuint8(out, lut8->intabsbuf[i])) + goto error; + } + n = lut8->numoutchans * lut8->numouttabents; + for (i = 0; i < n; ++i) { + if (jas_iccputuint8(out, lut8->outtabsbuf[i])) + goto error; + } + n = jas_iccpowi(lut8->clutlen, lut8->numinchans) * lut8->numoutchans; + for (i = 0; i < n; ++i) { + if (jas_iccputuint8(out, lut8->clut[i])) + goto error; + } + return 0; +error: + return -1; +} + +static void jas_icclut8_dump(jas_iccattrval_t *attrval, FILE *out) +{ + jas_icclut8_t *lut8 = &attrval->data.lut8; + int i; + int j; + fprintf(out, "numinchans=%d, numoutchans=%d, clutlen=%d\n", + lut8->numinchans, lut8->numoutchans, lut8->clutlen); + for (i = 0; i < 3; ++i) { + for (j = 0; j < 3; ++j) { + fprintf(out, "e[%d][%d]=%f ", i, j, lut8->e[i][j] / 65536.0); + } + fprintf(out, "\n"); + } + fprintf(out, "numintabents=%d, numouttabents=%d\n", + lut8->numintabents, lut8->numouttabents); +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static void jas_icclut16_destroy(jas_iccattrval_t *attrval) +{ + jas_icclut16_t *lut16 = &attrval->data.lut16; + if (lut16->clut) + jas_free(lut16->clut); + if (lut16->intabs) + jas_free(lut16->intabs); + if (lut16->intabsbuf) + jas_free(lut16->intabsbuf); + if (lut16->outtabs) + jas_free(lut16->outtabs); + if (lut16->outtabsbuf) + jas_free(lut16->outtabsbuf); +} + +static int jas_icclut16_copy(jas_iccattrval_t *attrval, + jas_iccattrval_t *othattrval) +{ + /* Avoid compiler warnings about unused parameters. */ + attrval = 0; + othattrval = 0; + /* Not yet implemented. */ + abort(); + return -1; +} + +static int jas_icclut16_input(jas_iccattrval_t *attrval, jas_stream_t *in, + int cnt) +{ + int i; + int j; + int clutsize; + jas_icclut16_t *lut16 = &attrval->data.lut16; + lut16->clut = 0; + lut16->intabs = 0; + lut16->intabsbuf = 0; + lut16->outtabs = 0; + lut16->outtabsbuf = 0; + if (jas_iccgetuint8(in, &lut16->numinchans) || + jas_iccgetuint8(in, &lut16->numoutchans) || + jas_iccgetuint8(in, &lut16->clutlen) || + jas_stream_getc(in) == EOF) + goto error; + for (i = 0; i < 3; ++i) { + for (j = 0; j < 3; ++j) { + if (jas_iccgetsint32(in, &lut16->e[i][j])) + goto error; + } + } + if (jas_iccgetuint16(in, &lut16->numintabents) || + jas_iccgetuint16(in, &lut16->numouttabents)) + goto error; + clutsize = jas_iccpowi(lut16->clutlen, lut16->numinchans) * lut16->numoutchans; + if (!(lut16->clut = jas_malloc(clutsize * sizeof(jas_iccuint16_t))) || + !(lut16->intabsbuf = jas_malloc(lut16->numinchans * + lut16->numintabents * sizeof(jas_iccuint16_t))) || + !(lut16->intabs = jas_malloc(lut16->numinchans * + sizeof(jas_iccuint16_t *)))) + goto error; + for (i = 0; i < lut16->numinchans; ++i) + lut16->intabs[i] = &lut16->intabsbuf[i * lut16->numintabents]; + if (!(lut16->outtabsbuf = jas_malloc(lut16->numoutchans * + lut16->numouttabents * sizeof(jas_iccuint16_t))) || + !(lut16->outtabs = jas_malloc(lut16->numoutchans * + sizeof(jas_iccuint16_t *)))) + goto error; + for (i = 0; i < lut16->numoutchans; ++i) + lut16->outtabs[i] = &lut16->outtabsbuf[i * lut16->numouttabents]; + for (i = 0; i < lut16->numinchans; ++i) { + for (j = 0; j < JAS_CAST(int, lut16->numintabents); ++j) { + if (jas_iccgetuint16(in, &lut16->intabs[i][j])) + goto error; + } + } + for (i = 0; i < lut16->numoutchans; ++i) { + for (j = 0; j < JAS_CAST(int, lut16->numouttabents); ++j) { + if (jas_iccgetuint16(in, &lut16->outtabs[i][j])) + goto error; + } + } + for (i = 0; i < clutsize; ++i) { + if (jas_iccgetuint16(in, &lut16->clut[i])) + goto error; + } + if (JAS_CAST(int, 44 + 2 * (lut16->numinchans * lut16->numintabents + + lut16->numoutchans * lut16->numouttabents + + jas_iccpowi(lut16->clutlen, lut16->numinchans) * + lut16->numoutchans)) != cnt) + goto error; + return 0; +error: + jas_icclut16_destroy(attrval); + return -1; +} + +static int jas_icclut16_getsize(jas_iccattrval_t *attrval) +{ + jas_icclut16_t *lut16 = &attrval->data.lut16; + return 44 + 2 * (lut16->numinchans * lut16->numintabents + + lut16->numoutchans * lut16->numouttabents + + jas_iccpowi(lut16->clutlen, lut16->numinchans) * lut16->numoutchans); +} + +static int jas_icclut16_output(jas_iccattrval_t *attrval, jas_stream_t *out) +{ + jas_icclut16_t *lut16 = &attrval->data.lut16; + int i; + int j; + int n; + if (jas_stream_putc(out, lut16->numinchans) == EOF || + jas_stream_putc(out, lut16->numoutchans) == EOF || + jas_stream_putc(out, lut16->clutlen) == EOF || + jas_stream_putc(out, 0) == EOF) + goto error; + for (i = 0; i < 3; ++i) { + for (j = 0; j < 3; ++j) { + if (jas_iccputsint32(out, lut16->e[i][j])) + goto error; + } + } + if (jas_iccputuint16(out, lut16->numintabents) || + jas_iccputuint16(out, lut16->numouttabents)) + goto error; + n = lut16->numinchans * lut16->numintabents; + for (i = 0; i < n; ++i) { + if (jas_iccputuint16(out, lut16->intabsbuf[i])) + goto error; + } + n = lut16->numoutchans * lut16->numouttabents; + for (i = 0; i < n; ++i) { + if (jas_iccputuint16(out, lut16->outtabsbuf[i])) + goto error; + } + n = jas_iccpowi(lut16->clutlen, lut16->numinchans) * lut16->numoutchans; + for (i = 0; i < n; ++i) { + if (jas_iccputuint16(out, lut16->clut[i])) + goto error; + } + return 0; +error: + return -1; +} + +static void jas_icclut16_dump(jas_iccattrval_t *attrval, FILE *out) +{ + jas_icclut16_t *lut16 = &attrval->data.lut16; + int i; + int j; + fprintf(out, "numinchans=%d, numoutchans=%d, clutlen=%d\n", + lut16->numinchans, lut16->numoutchans, lut16->clutlen); + for (i = 0; i < 3; ++i) { + for (j = 0; j < 3; ++j) { + fprintf(out, "e[%d][%d]=%f ", i, j, lut16->e[i][j] / 65536.0); + } + fprintf(out, "\n"); + } + fprintf(out, "numintabents=%d, numouttabents=%d\n", + lut16->numintabents, lut16->numouttabents); +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static int jas_iccgetuint(jas_stream_t *in, int n, ulonglong *val) +{ + int i; + int c; + ulonglong v; + v = 0; + for (i = n; i > 0; --i) { + if ((c = jas_stream_getc(in)) == EOF) + return -1; + v = (v << 8) | c; + } + *val = v; + return 0; +} + +static int jas_iccgetuint8(jas_stream_t *in, jas_iccuint8_t *val) +{ + int c; + if ((c = jas_stream_getc(in)) == EOF) + return -1; + *val = c; + return 0; +} + +static int jas_iccgetuint16(jas_stream_t *in, jas_iccuint16_t *val) +{ + ulonglong tmp; + if (jas_iccgetuint(in, 2, &tmp)) + return -1; + *val = tmp; + return 0; +} + +static int jas_iccgetsint32(jas_stream_t *in, jas_iccsint32_t *val) +{ + ulonglong tmp; + if (jas_iccgetuint(in, 4, &tmp)) + return -1; + *val = (tmp & 0x80000000) ? (-JAS_CAST(longlong, (((~tmp) & + 0x7fffffff) + 1))) : JAS_CAST(longlong, tmp); + return 0; +} + +static int jas_iccgetuint32(jas_stream_t *in, jas_iccuint32_t *val) +{ + ulonglong tmp; + if (jas_iccgetuint(in, 4, &tmp)) + return -1; + *val = tmp; + return 0; +} + +static int jas_iccgetuint64(jas_stream_t *in, jas_iccuint64_t *val) +{ + ulonglong tmp; + if (jas_iccgetuint(in, 8, &tmp)) + return -1; + *val = tmp; + return 0; +} + +static int jas_iccputuint(jas_stream_t *out, int n, ulonglong val) +{ + int i; + int c; + for (i = n; i > 0; --i) { + c = (val >> (8 * (i - 1))) & 0xff; + if (jas_stream_putc(out, c) == EOF) + return -1; + } + return 0; +} + +static int jas_iccputsint(jas_stream_t *out, int n, longlong val) +{ + ulonglong tmp; + tmp = (val < 0) ? (abort(), 0) : val; + return jas_iccputuint(out, n, tmp); +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static char *jas_iccsigtostr(int sig, char *buf) +{ + int n; + int c; + char *bufptr; + bufptr = buf; + for (n = 4; n > 0; --n) { + c = (sig >> 24) & 0xff; + if (isalpha(c) || isdigit(c)) { + *bufptr++ = c; + } + sig <<= 8; + } + *bufptr = '\0'; + return buf; +} + +static long jas_iccpadtomult(long x, long y) +{ + return ((x + y - 1) / y) * y; +} + +static long jas_iccpowi(int x, int n) +{ + long y; + y = 1; + while (--n >= 0) + y *= x; + return y; +} + + +jas_iccprof_t *jas_iccprof_createfrombuf(uchar *buf, int len) +{ + jas_stream_t *in; + jas_iccprof_t *prof; + if (!(in = jas_stream_memopen(JAS_CAST(char *, buf), len))) + goto error; + if (!(prof = jas_iccprof_load(in))) + goto error; + jas_stream_close(in); + return prof; +error: + return 0; +} + +jas_iccprof_t *jas_iccprof_createfromclrspc(int clrspc) +{ + jas_iccprof_t *prof; + switch (clrspc) { + case JAS_CLRSPC_SRGB: + prof = jas_iccprof_createfrombuf(jas_iccprofdata_srgb, + jas_iccprofdata_srgblen); + break; + case JAS_CLRSPC_SGRAY: + prof = jas_iccprof_createfrombuf(jas_iccprofdata_sgray, + jas_iccprofdata_sgraylen); + break; + default: + prof = 0; + break; + } + return prof; +} diff --git a/src/libjasper/base/jas_iccdata.c b/src/libjasper/base/jas_iccdata.c new file mode 100644 index 0000000..bf68bf0 --- /dev/null +++ b/src/libjasper/base/jas_iccdata.c @@ -0,0 +1,517 @@ +/* + * Copyright (c) 2002-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +#include <jasper/jas_config.h> +#include <jasper/jas_types.h> + +uchar jas_iccprofdata_srgb[] = +{ + 0x00, 0x00, 0x0c, 0x48, 0x4c, 0x69, 0x6e, 0x6f, + 0x02, 0x10, 0x00, 0x00, 0x6d, 0x6e, 0x74, 0x72, + 0x52, 0x47, 0x42, 0x20, 0x58, 0x59, 0x5a, 0x20, + 0x07, 0xce, 0x00, 0x02, 0x00, 0x09, 0x00, 0x06, + 0x00, 0x31, 0x00, 0x00, 0x61, 0x63, 0x73, 0x70, + 0x4d, 0x53, 0x46, 0x54, 0x00, 0x00, 0x00, 0x00, + 0x49, 0x45, 0x43, 0x20, 0x73, 0x52, 0x47, 0x42, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, 0xd6, + 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x2d, + 0x48, 0x50, 0x20, 0x20, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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0x70, 0xe0, + 0x71, 0x3a, 0x71, 0x95, 0x71, 0xf0, 0x72, 0x4b, + 0x72, 0xa6, 0x73, 0x01, 0x73, 0x5d, 0x73, 0xb8, + 0x74, 0x14, 0x74, 0x70, 0x74, 0xcc, 0x75, 0x28, + 0x75, 0x85, 0x75, 0xe1, 0x76, 0x3e, 0x76, 0x9b, + 0x76, 0xf8, 0x77, 0x56, 0x77, 0xb3, 0x78, 0x11, + 0x78, 0x6e, 0x78, 0xcc, 0x79, 0x2a, 0x79, 0x89, + 0x79, 0xe7, 0x7a, 0x46, 0x7a, 0xa5, 0x7b, 0x04, + 0x7b, 0x63, 0x7b, 0xc2, 0x7c, 0x21, 0x7c, 0x81, + 0x7c, 0xe1, 0x7d, 0x41, 0x7d, 0xa1, 0x7e, 0x01, + 0x7e, 0x62, 0x7e, 0xc2, 0x7f, 0x23, 0x7f, 0x84, + 0x7f, 0xe5, 0x80, 0x47, 0x80, 0xa8, 0x81, 0x0a, + 0x81, 0x6b, 0x81, 0xcd, 0x82, 0x30, 0x82, 0x92, + 0x82, 0xf4, 0x83, 0x57, 0x83, 0xba, 0x84, 0x1d, + 0x84, 0x80, 0x84, 0xe3, 0x85, 0x47, 0x85, 0xab, + 0x86, 0x0e, 0x86, 0x72, 0x86, 0xd7, 0x87, 0x3b, + 0x87, 0x9f, 0x88, 0x04, 0x88, 0x69, 0x88, 0xce, + 0x89, 0x33, 0x89, 0x99, 0x89, 0xfe, 0x8a, 0x64, + 0x8a, 0xca, 0x8b, 0x30, 0x8b, 0x96, 0x8b, 0xfc, + 0x8c, 0x63, 0x8c, 0xca, 0x8d, 0x31, 0x8d, 0x98, + 0x8d, 0xff, 0x8e, 0x66, 0x8e, 0xce, 0x8f, 0x36, + 0x8f, 0x9e, 0x90, 0x06, 0x90, 0x6e, 0x90, 0xd6, + 0x91, 0x3f, 0x91, 0xa8, 0x92, 0x11, 0x92, 0x7a, + 0x92, 0xe3, 0x93, 0x4d, 0x93, 0xb6, 0x94, 0x20, + 0x94, 0x8a, 0x94, 0xf4, 0x95, 0x5f, 0x95, 0xc9, + 0x96, 0x34, 0x96, 0x9f, 0x97, 0x0a, 0x97, 0x75, + 0x97, 0xe0, 0x98, 0x4c, 0x98, 0xb8, 0x99, 0x24, + 0x99, 0x90, 0x99, 0xfc, 0x9a, 0x68, 0x9a, 0xd5, + 0x9b, 0x42, 0x9b, 0xaf, 0x9c, 0x1c, 0x9c, 0x89, + 0x9c, 0xf7, 0x9d, 0x64, 0x9d, 0xd2, 0x9e, 0x40, + 0x9e, 0xae, 0x9f, 0x1d, 0x9f, 0x8b, 0x9f, 0xfa, + 0xa0, 0x69, 0xa0, 0xd8, 0xa1, 0x47, 0xa1, 0xb6, + 0xa2, 0x26, 0xa2, 0x96, 0xa3, 0x06, 0xa3, 0x76, + 0xa3, 0xe6, 0xa4, 0x56, 0xa4, 0xc7, 0xa5, 0x38, + 0xa5, 0xa9, 0xa6, 0x1a, 0xa6, 0x8b, 0xa6, 0xfd, + 0xa7, 0x6e, 0xa7, 0xe0, 0xa8, 0x52, 0xa8, 0xc4, + 0xa9, 0x37, 0xa9, 0xa9, 0xaa, 0x1c, 0xaa, 0x8f, + 0xab, 0x02, 0xab, 0x75, 0xab, 0xe9, 0xac, 0x5c, + 0xac, 0xd0, 0xad, 0x44, 0xad, 0xb8, 0xae, 0x2d, + 0xae, 0xa1, 0xaf, 0x16, 0xaf, 0x8b, 0xb0, 0x00, + 0xb0, 0x75, 0xb0, 0xea, 0xb1, 0x60, 0xb1, 0xd6, + 0xb2, 0x4b, 0xb2, 0xc2, 0xb3, 0x38, 0xb3, 0xae, + 0xb4, 0x25, 0xb4, 0x9c, 0xb5, 0x13, 0xb5, 0x8a, + 0xb6, 0x01, 0xb6, 0x79, 0xb6, 0xf0, 0xb7, 0x68, + 0xb7, 0xe0, 0xb8, 0x59, 0xb8, 0xd1, 0xb9, 0x4a, + 0xb9, 0xc2, 0xba, 0x3b, 0xba, 0xb5, 0xbb, 0x2e, + 0xbb, 0xa7, 0xbc, 0x21, 0xbc, 0x9b, 0xbd, 0x15, + 0xbd, 0x8f, 0xbe, 0x0a, 0xbe, 0x84, 0xbe, 0xff, + 0xbf, 0x7a, 0xbf, 0xf5, 0xc0, 0x70, 0xc0, 0xec, + 0xc1, 0x67, 0xc1, 0xe3, 0xc2, 0x5f, 0xc2, 0xdb, + 0xc3, 0x58, 0xc3, 0xd4, 0xc4, 0x51, 0xc4, 0xce, + 0xc5, 0x4b, 0xc5, 0xc8, 0xc6, 0x46, 0xc6, 0xc3, + 0xc7, 0x41, 0xc7, 0xbf, 0xc8, 0x3d, 0xc8, 0xbc, + 0xc9, 0x3a, 0xc9, 0xb9, 0xca, 0x38, 0xca, 0xb7, + 0xcb, 0x36, 0xcb, 0xb6, 0xcc, 0x35, 0xcc, 0xb5, + 0xcd, 0x35, 0xcd, 0xb5, 0xce, 0x36, 0xce, 0xb6, + 0xcf, 0x37, 0xcf, 0xb8, 0xd0, 0x39, 0xd0, 0xba, + 0xd1, 0x3c, 0xd1, 0xbe, 0xd2, 0x3f, 0xd2, 0xc1, + 0xd3, 0x44, 0xd3, 0xc6, 0xd4, 0x49, 0xd4, 0xcb, + 0xd5, 0x4e, 0xd5, 0xd1, 0xd6, 0x55, 0xd6, 0xd8, + 0xd7, 0x5c, 0xd7, 0xe0, 0xd8, 0x64, 0xd8, 0xe8, + 0xd9, 0x6c, 0xd9, 0xf1, 0xda, 0x76, 0xda, 0xfb, + 0xdb, 0x80, 0xdc, 0x05, 0xdc, 0x8a, 0xdd, 0x10, + 0xdd, 0x96, 0xde, 0x1c, 0xde, 0xa2, 0xdf, 0x29, + 0xdf, 0xaf, 0xe0, 0x36, 0xe0, 0xbd, 0xe1, 0x44, + 0xe1, 0xcc, 0xe2, 0x53, 0xe2, 0xdb, 0xe3, 0x63, + 0xe3, 0xeb, 0xe4, 0x73, 0xe4, 0xfc, 0xe5, 0x84, + 0xe6, 0x0d, 0xe6, 0x96, 0xe7, 0x1f, 0xe7, 0xa9, + 0xe8, 0x32, 0xe8, 0xbc, 0xe9, 0x46, 0xe9, 0xd0, + 0xea, 0x5b, 0xea, 0xe5, 0xeb, 0x70, 0xeb, 0xfb, + 0xec, 0x86, 0xed, 0x11, 0xed, 0x9c, 0xee, 0x28, + 0xee, 0xb4, 0xef, 0x40, 0xef, 0xcc, 0xf0, 0x58, + 0xf0, 0xe5, 0xf1, 0x72, 0xf1, 0xff, 0xf2, 0x8c, + 0xf3, 0x19, 0xf3, 0xa7, 0xf4, 0x34, 0xf4, 0xc2, + 0xf5, 0x50, 0xf5, 0xde, 0xf6, 0x6d, 0xf6, 0xfb, + 0xf7, 0x8a, 0xf8, 0x19, 0xf8, 0xa8, 0xf9, 0x38, + 0xf9, 0xc7, 0xfa, 0x57, 0xfa, 0xe7, 0xfb, 0x77, + 0xfc, 0x07, 0xfc, 0x98, 0xfd, 0x29, 0xfd, 0xba, + 0xfe, 0x4b, 0xfe, 0xdc, 0xff, 0x6d, 0xff, 0xff +}; + +int jas_iccprofdata_srgblen = sizeof(jas_iccprofdata_srgb); + +uchar jas_iccprofdata_sgray[] = { + 0x00, 0x00, 0x01, 0x8a, 0x00, 0x00, 0x00, 0x00, + 0x02, 0x20, 0x00, 0x00, 0x73, 0x63, 0x6e, 0x72, + 0x47, 0x52, 0x41, 0x59, 0x58, 0x59, 0x5a, 0x20, + 0x07, 0xd3, 0x00, 0x01, 0x00, 0x1f, 0x00, 0x0d, + 0x00, 0x35, 0x00, 0x21, 0x61, 0x63, 0x73, 0x70, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x4b, 0x4f, 0x44, 0x41, 0x73, 0x47, 0x72, 0x79, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf6, 0xd6, + 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x2d, + 0x4a, 0x50, 0x45, 0x47, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x04, 0x64, 0x65, 0x73, 0x63, + 0x00, 0x00, 0x00, 0xb4, 0x00, 0x00, 0x00, 0x86, + 0x63, 0x70, 0x72, 0x74, 0x00, 0x00, 0x01, 0x3c, + 0x00, 0x00, 0x00, 0x2b, 0x77, 0x74, 0x70, 0x74, + 0x00, 0x00, 0x01, 0x68, 0x00, 0x00, 0x00, 0x14, + 0x6b, 0x54, 0x52, 0x43, 0x00, 0x00, 0x01, 0x7c, + 0x00, 0x00, 0x00, 0x0e, 0x64, 0x65, 0x73, 0x63, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2c, + 0x52, 0x65, 0x73, 0x74, 0x72, 0x69, 0x63, 0x74, + 0x65, 0x64, 0x20, 0x49, 0x43, 0x43, 0x20, 0x70, + 0x72, 0x6f, 0x66, 0x69, 0x6c, 0x65, 0x20, 0x64, + 0x65, 0x73, 0x63, 0x72, 0x69, 0x62, 0x69, 0x6e, + 0x67, 0x20, 0x73, 0x52, 0x47, 0x42, 0x2d, 0x67, + 0x72, 0x65, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x74, 0x65, 0x78, 0x74, + 0x00, 0x00, 0x00, 0x00, 0x43, 0x6f, 0x70, 0x79, + 0x72, 0x69, 0x67, 0x68, 0x74, 0x20, 0x32, 0x30, + 0x30, 0x33, 0x20, 0x73, 0x52, 0x47, 0x42, 0x2d, + 0x67, 0x72, 0x65, 0x79, 0x20, 0x52, 0x65, 0x66, + 0x65, 0x72, 0x65, 0x6e, 0x63, 0x65, 0x00, 0x00, + 0x58, 0x59, 0x5a, 0x20, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0xf3, 0x54, 0x00, 0x01, 0x00, 0x00, + 0x00, 0x01, 0x16, 0xcf, 0x63, 0x75, 0x72, 0x76, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x01, 0xcd +}; + +int jas_iccprofdata_sgraylen = sizeof(jas_iccprofdata_sgray); diff --git a/src/libjasper/base/jas_image.c b/src/libjasper/base/jas_image.c new file mode 100644 index 0000000..3f5af8c --- /dev/null +++ b/src/libjasper/base/jas_image.c @@ -0,0 +1,1516 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + + GeoJasper revision: dima <dima@dimin.net> + 11/07/2003 15:00 - dima - aux_buf added for j_image_t + 22/09/2003 14:40 - dima - small correction in jas_image_writecmpt + 2007-04-23 12:23 - dima - updated for a vector of metadata boxes + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Image Library + * + * $Id: jas_image.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <assert.h> +#include <ctype.h> + +#include "jasper/jas_math.h" +#include "jasper/jas_image.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_string.h" + +/******************************************************************************\ +* GeoJasper: dima - progress functions +\******************************************************************************/ + +#if !defined( JAS_PROGRESS_PROC_DEFINED ) + #define JAS_PROGRESS_PROC_DEFINED + jas_progress_proc_t progress_proc = NULL; + jas_test_abort_proc_t test_abort_proc = NULL; +#endif + +void jas_set_progress_proc( jas_progress_proc_t new_proc ) { + progress_proc = new_proc; +} + +void jas_do_progress( int done, int total, char *descr ) { + if (progress_proc != NULL) progress_proc( done, total, descr ); +} + +void jas_set_test_abort_proc( jas_test_abort_proc_t new_proc ) { + test_abort_proc = new_proc; +} + +int jas_test_abort( ) { + if (test_abort_proc != NULL) return test_abort_proc(); + else return 0; +} + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +#define FLOORDIV(x, y) ((x) / (y)) + +/******************************************************************************\ +* Local prototypes. +\******************************************************************************/ + +static jas_image_cmpt_t *jas_image_cmpt_create0(void); +static void jas_image_cmpt_destroy(jas_image_cmpt_t *cmpt); +static jas_image_cmpt_t *jas_image_cmpt_create(uint_fast32_t tlx, uint_fast32_t tly, + uint_fast32_t hstep, uint_fast32_t vstep, uint_fast32_t width, uint_fast32_t + height, uint_fast16_t depth, bool sgnd, uint_fast32_t inmem); +static void jas_image_setbbox(jas_image_t *image); +static jas_image_cmpt_t *jas_image_cmpt_copy(jas_image_cmpt_t *cmpt); +static int jas_image_growcmpts(jas_image_t *image, int maxcmpts); +static uint_fast32_t inttobits(jas_seqent_t v, int prec, bool sgnd); +static jas_seqent_t bitstoint(uint_fast32_t v, int prec, bool sgnd); +static int putint(jas_stream_t *out, int sgnd, int prec, long val); +static int getint(jas_stream_t *in, int sgnd, int prec, long *val); +static void jas_image_calcbbox2(jas_image_t *image, jas_image_coord_t *tlx, + jas_image_coord_t *tly, jas_image_coord_t *brx, jas_image_coord_t *bry); +static long uptomult(long x, long y); +static long downtomult(long x, long y); +static long convert(long val, int oldsgnd, int oldprec, int newsgnd, + int newprec); +static void jas_image_calcbbox2(jas_image_t *image, jas_image_coord_t *tlx, + jas_image_coord_t *tly, jas_image_coord_t *brx, jas_image_coord_t *bry); + +/******************************************************************************\ +* Global data. +\******************************************************************************/ + +static int jas_image_numfmts = 0; +static jas_image_fmtinfo_t jas_image_fmtinfos[JAS_IMAGE_MAXFMTS]; + +/******************************************************************************\ +* Create and destroy operations. +\******************************************************************************/ + +jas_image_t *jas_image_create(int numcmpts, jas_image_cmptparm_t *cmptparms, + int clrspc) +{ + jas_image_t *image; + uint_fast32_t rawsize; + uint_fast32_t inmem; + int cmptno; + jas_image_cmptparm_t *cmptparm; + + if (!(image = jas_image_create0())) { + return 0; + } + + image->clrspc_ = clrspc; + image->maxcmpts_ = numcmpts; + image->inmem_ = true; + + /* Allocate memory for the per-component information. */ + if (!(image->cmpts_ = jas_malloc(image->maxcmpts_ * + sizeof(jas_image_cmpt_t *)))) { + jas_image_destroy(image); + return 0; + } + /* Initialize in case of failure. */ + for (cmptno = 0; cmptno < image->maxcmpts_; ++cmptno) { + image->cmpts_[cmptno] = 0; + } + + /* Compute the approximate raw size of the image. */ + rawsize = 0; + for (cmptno = 0, cmptparm = cmptparms; cmptno < numcmpts; ++cmptno, + ++cmptparm) { + rawsize += cmptparm->width * cmptparm->height * + (cmptparm->prec + 7) / 8; + } + /* Decide whether to buffer the image data in memory, based on the + raw size of the image. */ + inmem = (rawsize < JAS_IMAGE_INMEMTHRESH); + + /* Create the individual image components. */ + for (cmptno = 0, cmptparm = cmptparms; cmptno < numcmpts; ++cmptno, + ++cmptparm) { + if (!(image->cmpts_[cmptno] = jas_image_cmpt_create(cmptparm->tlx, + cmptparm->tly, cmptparm->hstep, cmptparm->vstep, + cmptparm->width, cmptparm->height, cmptparm->prec, + cmptparm->sgnd, inmem))) { + jas_image_destroy(image); + return 0; + } + ++image->numcmpts_; + } + + /* Determine the bounding box for all of the components on the + reference grid (i.e., the image area) */ + jas_image_setbbox(image); + + return image; +} + +// GeoJasper: begin - dima - metadata box buffer utils +jas_metadata_box_t jas_box_init( void ) { + jas_metadata_box_t box; + memset( (void *)box.id, 0, 16 ); + box.size = 0; + box.buf = NULL; + return box; +} + +bool jas_box_alloc ( jas_metadata_box_t *box, unsigned long size ) { + if (box == NULL) return false; + *box = jas_box_init(); + if ( box->buf = (uint_fast8_t *) jas_malloc( size ) ) + box->size = size; + return (bool) box->buf; +} + +void jas_box_free( jas_metadata_box_t *box ) { + if (box == NULL) return; + if ( (box->size != 0) && (box->buf != NULL) ) + jas_free(box->buf); + *box = jas_box_init(); +} +// GeoJasper: end - dima - metadata box buffer utils + +jas_image_t *jas_image_create0() +{ + jas_image_t *image; + + if (!(image = jas_malloc(sizeof(jas_image_t)))) { + return 0; + } + + image->tlx_ = 0; + image->tly_ = 0; + image->brx_ = 0; + image->bry_ = 0; + image->clrspc_ = JAS_CLRSPC_UNKNOWN; + image->numcmpts_ = 0; + image->maxcmpts_ = 0; + image->cmpts_ = 0; + image->inmem_ = true; + image->cmprof_ = 0; + + // GeoJasper: begin - dima - buffer defines + { + int i; + image->metadata.count = JAS_IMAGE_NUM_BOXES; + for (i=0; i<image->metadata.count; ++i) + image->metadata.boxes[i] = jas_box_init(); + } + // GeoJasper: end - dima - buffer defines + + return image; +} + +jas_image_t *jas_image_copy(jas_image_t *image) +{ + jas_image_t *newimage; + int cmptno; + + newimage = jas_image_create0(); + if (jas_image_growcmpts(newimage, image->numcmpts_)) { + goto error; + } + for (cmptno = 0; cmptno < image->numcmpts_; ++cmptno) { + if (!(newimage->cmpts_[cmptno] = jas_image_cmpt_copy(image->cmpts_[cmptno]))) { + goto error; + } + ++newimage->numcmpts_; + } + + jas_image_setbbox(newimage); + + if (image->cmprof_) { + if (!(newimage->cmprof_ = jas_cmprof_copy(image->cmprof_))) + goto error; + } + + return newimage; +error: + if (newimage) { + jas_image_destroy(newimage); + } + return 0; +} + +static jas_image_cmpt_t *jas_image_cmpt_create0() +{ + jas_image_cmpt_t *cmpt; + if (!(cmpt = jas_malloc(sizeof(jas_image_cmpt_t)))) { + return 0; + } + memset(cmpt, 0, sizeof(jas_image_cmpt_t)); + cmpt->type_ = JAS_IMAGE_CT_UNKNOWN; + return cmpt; +} + +static jas_image_cmpt_t *jas_image_cmpt_copy(jas_image_cmpt_t *cmpt) +{ + jas_image_cmpt_t *newcmpt; + + if (!(newcmpt = jas_image_cmpt_create0())) { + return 0; + } + newcmpt->tlx_ = cmpt->tlx_; + newcmpt->tly_ = cmpt->tly_; + newcmpt->hstep_ = cmpt->hstep_; + newcmpt->vstep_ = cmpt->vstep_; + newcmpt->width_ = cmpt->width_; + newcmpt->height_ = cmpt->height_; + newcmpt->prec_ = cmpt->prec_; + newcmpt->sgnd_ = cmpt->sgnd_; + newcmpt->cps_ = cmpt->cps_; + newcmpt->type_ = cmpt->type_; + if (!(newcmpt->stream_ = jas_stream_memopen(0, 0))) { + return 0; + } + if (jas_stream_seek(cmpt->stream_, 0, SEEK_SET)) { + return 0; + } + if (jas_stream_copy(newcmpt->stream_, cmpt->stream_, -1)) { + return 0; + } + if (jas_stream_seek(newcmpt->stream_, 0, SEEK_SET)) { + return 0; + } + return newcmpt; +} + +void jas_image_destroy(jas_image_t *image) +{ + int i; + + // GeoJasper: begin - dima - free buffers + for (i=0; i<image->metadata.count; ++i) + jas_box_free( &image->metadata.boxes[i] ); + // GeoJasper: end - dima - free buffers + + if (image->cmpts_) { + for (i = 0; i < image->numcmpts_; ++i) { + jas_image_cmpt_destroy(image->cmpts_[i]); + image->cmpts_[i] = 0; + } + jas_free(image->cmpts_); + } + if (image->cmprof_) + jas_cmprof_destroy(image->cmprof_); + jas_free(image); +} + +static jas_image_cmpt_t *jas_image_cmpt_create(uint_fast32_t tlx, uint_fast32_t tly, + uint_fast32_t hstep, uint_fast32_t vstep, uint_fast32_t width, uint_fast32_t + height, uint_fast16_t depth, bool sgnd, uint_fast32_t inmem) +{ + jas_image_cmpt_t *cmpt; + long size; + + if (!(cmpt = jas_malloc(sizeof(jas_image_cmpt_t)))) { + return 0; + } + + cmpt->type_ = JAS_IMAGE_CT_UNKNOWN; + cmpt->tlx_ = tlx; + cmpt->tly_ = tly; + cmpt->hstep_ = hstep; + cmpt->vstep_ = vstep; + cmpt->width_ = width; + cmpt->height_ = height; + cmpt->prec_ = depth; + cmpt->sgnd_ = sgnd; + cmpt->stream_ = 0; + cmpt->cps_ = (depth + 7) / 8; + + size = cmpt->width_ * cmpt->height_ * cmpt->cps_; + cmpt->stream_ = (inmem) ? jas_stream_memopen(0, size) : jas_stream_tmpfile(); + if (!cmpt->stream_) { + jas_image_cmpt_destroy(cmpt); + return 0; + } + + /* Zero the component data. This isn't necessary, but it is + convenient for debugging purposes. */ + if (jas_stream_seek(cmpt->stream_, size - 1, SEEK_SET) < 0 || + jas_stream_putc(cmpt->stream_, 0) == EOF || + jas_stream_seek(cmpt->stream_, 0, SEEK_SET) < 0) { + jas_image_cmpt_destroy(cmpt); + return 0; + } + + return cmpt; +} + +static void jas_image_cmpt_destroy(jas_image_cmpt_t *cmpt) +{ + if (cmpt->stream_) { + jas_stream_close(cmpt->stream_); + } + jas_free(cmpt); +} + +/******************************************************************************\ +* Load and save operations. +\******************************************************************************/ + +jas_image_t *jas_image_decode(jas_stream_t *in, int fmt, char *optstr) +{ + jas_image_fmtinfo_t *fmtinfo; + jas_image_t *image; + + image = 0; + + /* If possible, try to determine the format of the input data. */ + if (fmt < 0) { + if ((fmt = jas_image_getfmt(in)) < 0) + goto error; + } + + /* Is it possible to decode an image represented in this format? */ + if (!(fmtinfo = jas_image_lookupfmtbyid(fmt))) + goto error; + if (!fmtinfo->ops.decode) + goto error; + + /* Decode the image. */ + if (!(image = (*fmtinfo->ops.decode)(in, optstr))) + goto error; + + /* Create a color profile if needed. */ + if (!jas_clrspc_isunknown(image->clrspc_) && + !jas_clrspc_isgeneric(image->clrspc_) && !image->cmprof_) { + if (!(image->cmprof_ = + jas_cmprof_createfromclrspc(jas_image_clrspc(image)))) + goto error; + } + + return image; +error: + if (image) + jas_image_destroy(image); + return 0; +} + +int jas_image_encode(jas_image_t *image, jas_stream_t *out, int fmt, char *optstr) +{ + jas_image_fmtinfo_t *fmtinfo; + if (!(fmtinfo = jas_image_lookupfmtbyid(fmt))) { + return -1; + } + return (fmtinfo->ops.encode) ? (*fmtinfo->ops.encode)(image, out, + optstr) : (-1); +} + +/******************************************************************************\ +* Component read and write operations. +\******************************************************************************/ + +int jas_image_readcmpt(jas_image_t *image, int cmptno, jas_image_coord_t x, + jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height, + jas_matrix_t *data) +{ + jas_image_cmpt_t *cmpt; + jas_image_coord_t i; + jas_image_coord_t j; + int k; + jas_seqent_t v; + int c; + jas_seqent_t *dr; + jas_seqent_t *d; + int drs; + + if (cmptno < 0 || cmptno >= image->numcmpts_) { + return -1; + } + + cmpt = image->cmpts_[cmptno]; + if (x >= cmpt->width_ || y >= cmpt->height_ || + x + width > cmpt->width_ || + y + height > cmpt->height_) { + return -1; + } + + if (jas_matrix_numrows(data) != height || jas_matrix_numcols(data) != width) { + if (jas_matrix_resize(data, height, width)) { + return -1; + } + } + + dr = jas_matrix_getref(data, 0, 0); + drs = jas_matrix_rowstep(data); + for (i = 0; i < height; ++i, dr += drs) { + d = dr; + if (jas_stream_seek(cmpt->stream_, (cmpt->width_ * (y + i) + x) + * cmpt->cps_, SEEK_SET) < 0) { + return -1; + } + for (j = width; j > 0; --j, ++d) { + v = 0; + for (k = cmpt->cps_; k > 0; --k) { + if ((c = jas_stream_getc(cmpt->stream_)) == EOF) { + return -1; + } + v = (v << 8) | (c & 0xff); + } + *d = bitstoint(v, cmpt->prec_, cmpt->sgnd_); + } + } + + return 0; +} + +int jas_image_writecmpt(jas_image_t *image, int cmptno, jas_image_coord_t x, jas_image_coord_t y, jas_image_coord_t width, + jas_image_coord_t height, jas_matrix_t *data) +{ + jas_image_cmpt_t *cmpt; + jas_image_coord_t i; + jas_image_coord_t j; + jas_seqent_t *d; + jas_seqent_t *dr; + int drs; + jas_seqent_t v; + int k; + int c; + + if (cmptno < 0 || cmptno >= image->numcmpts_) { + return -1; + } + + cmpt = image->cmpts_[cmptno]; + if (x >= cmpt->width_ || y >= cmpt->height_ || + x + width > cmpt->width_ || + y + height > cmpt->height_) { + return -1; + } + + if (jas_matrix_numrows(data) < height || jas_matrix_numcols(data) < width) { + return -1; + } // GeoJasper: dima, change != to < + + dr = jas_matrix_getref(data, 0, 0); + drs = jas_matrix_rowstep(data); + for (i = 0; i < height; ++i, dr += drs) { + d = dr; + if (jas_stream_seek(cmpt->stream_, (cmpt->width_ * (y + i) + x) + * cmpt->cps_, SEEK_SET) < 0) { + return -1; + } + for (j = width; j > 0; --j, ++d) { + v = inttobits(*d, cmpt->prec_, cmpt->sgnd_); + for (k = cmpt->cps_; k > 0; --k) { + c = (v >> (8 * (cmpt->cps_ - 1))) & 0xff; + if (jas_stream_putc(cmpt->stream_, + (unsigned char) c) == EOF) { + return -1; + } + v <<= 8; + } + } + } + + return 0; +} + +/******************************************************************************\ +* File format operations. +\******************************************************************************/ + +void jas_image_clearfmts() +{ + int i; + jas_image_fmtinfo_t *fmtinfo; + for (i = 0; i < jas_image_numfmts; ++i) { + fmtinfo = &jas_image_fmtinfos[i]; + if (fmtinfo->name) { + jas_free(fmtinfo->name); + fmtinfo->name = 0; + } + if (fmtinfo->ext) { + jas_free(fmtinfo->ext); + fmtinfo->ext = 0; + } + if (fmtinfo->desc) { + jas_free(fmtinfo->desc); + fmtinfo->desc = 0; + } + } + jas_image_numfmts = 0; +} + +int jas_image_addfmt(int id, char *name, char *ext, char *desc, + jas_image_fmtops_t *ops) +{ + jas_image_fmtinfo_t *fmtinfo; + assert(id >= 0 && name && ext && ops); + if (jas_image_numfmts >= JAS_IMAGE_MAXFMTS) { + return -1; + } + fmtinfo = &jas_image_fmtinfos[jas_image_numfmts]; + fmtinfo->id = id; + if (!(fmtinfo->name = jas_strdup(name))) { + return -1; + } + if (!(fmtinfo->ext = jas_strdup(ext))) { + jas_free(fmtinfo->name); + return -1; + } + if (!(fmtinfo->desc = jas_strdup(desc))) { + jas_free(fmtinfo->name); + jas_free(fmtinfo->ext); + return -1; + } + fmtinfo->ops = *ops; + ++jas_image_numfmts; + return 0; +} + +int jas_image_strtofmt(char *name) +{ + jas_image_fmtinfo_t *fmtinfo; + if (!(fmtinfo = jas_image_lookupfmtbyname(name))) { + return -1; + } + return fmtinfo->id; +} + +char *jas_image_fmttostr(int fmt) +{ + jas_image_fmtinfo_t *fmtinfo; + if (!(fmtinfo = jas_image_lookupfmtbyid(fmt))) { + return 0; + } + return fmtinfo->name; +} + +int jas_image_getfmt(jas_stream_t *in) +{ + jas_image_fmtinfo_t *fmtinfo; + int found; + int i; + + /* Check for data in each of the supported formats. */ + found = 0; + for (i = 0, fmtinfo = jas_image_fmtinfos; i < jas_image_numfmts; ++i, + ++fmtinfo) { + if (fmtinfo->ops.validate) { + /* Is the input data valid for this format? */ + if (!(*fmtinfo->ops.validate)(in)) { + found = 1; + break; + } + } + } + return found ? fmtinfo->id : (-1); +} + +int jas_image_fmtfromname(char *name) +{ + int i; + char *ext; + jas_image_fmtinfo_t *fmtinfo; + /* Get the file name extension. */ + if (!(ext = strrchr(name, '.'))) { + return -1; + } + ++ext; + /* Try to find a format that uses this extension. */ + for (i = 0, fmtinfo = jas_image_fmtinfos; i < jas_image_numfmts; ++i, + ++fmtinfo) { + /* Do we have a match? */ + if (!strcmp(ext, fmtinfo->ext)) { + return fmtinfo->id; + } + } + return -1; +} + +/******************************************************************************\ +* Miscellaneous operations. +\******************************************************************************/ + +uint_fast32_t jas_image_rawsize(jas_image_t *image) +{ + uint_fast32_t rawsize; + int cmptno; + jas_image_cmpt_t *cmpt; + + rawsize = 0; + for (cmptno = 0; cmptno < image->numcmpts_; ++cmptno) { + cmpt = image->cmpts_[cmptno]; + rawsize += (cmpt->width_ * cmpt->height_ * cmpt->prec_ + + 7) / 8; + } + return rawsize; +} + +void jas_image_delcmpt(jas_image_t *image, int cmptno) +{ + if (cmptno >= image->numcmpts_) { + return; + } + jas_image_cmpt_destroy(image->cmpts_[cmptno]); + if (cmptno < image->numcmpts_) { + memmove(&image->cmpts_[cmptno], &image->cmpts_[cmptno + 1], + (image->numcmpts_ - 1 - cmptno) * sizeof(jas_image_cmpt_t *)); + } + --image->numcmpts_; + + jas_image_setbbox(image); +} + +int jas_image_addcmpt(jas_image_t *image, int cmptno, + jas_image_cmptparm_t *cmptparm) +{ + jas_image_cmpt_t *newcmpt; + if (cmptno < 0) + cmptno = image->numcmpts_; + assert(cmptno >= 0 && cmptno <= image->numcmpts_); + if (image->numcmpts_ >= image->maxcmpts_) { + if (jas_image_growcmpts(image, image->maxcmpts_ + 128)) { + return -1; + } + } + if (!(newcmpt = jas_image_cmpt_create(cmptparm->tlx, + cmptparm->tly, cmptparm->hstep, cmptparm->vstep, + cmptparm->width, cmptparm->height, cmptparm->prec, + cmptparm->sgnd, 1))) { + return -1; + } + if (cmptno < image->numcmpts_) { + memmove(&image->cmpts_[cmptno + 1], &image->cmpts_[cmptno], + (image->numcmpts_ - cmptno) * sizeof(jas_image_cmpt_t *)); + } + image->cmpts_[cmptno] = newcmpt; + ++image->numcmpts_; + + jas_image_setbbox(image); + + return 0; +} + +jas_image_fmtinfo_t *jas_image_lookupfmtbyid(int id) +{ + int i; + jas_image_fmtinfo_t *fmtinfo; + + for (i = 0, fmtinfo = jas_image_fmtinfos; i < jas_image_numfmts; ++i, ++fmtinfo) { + if (fmtinfo->id == id) { + return fmtinfo; + } + } + return 0; +} + +jas_image_fmtinfo_t *jas_image_lookupfmtbyname(const char *name) +{ + int i; + jas_image_fmtinfo_t *fmtinfo; + + for (i = 0, fmtinfo = jas_image_fmtinfos; i < jas_image_numfmts; ++i, ++fmtinfo) { + if (!strcmp(fmtinfo->name, name)) { + return fmtinfo; + } + } + return 0; +} + + + + + +static uint_fast32_t inttobits(jas_seqent_t v, int prec, bool sgnd) +{ + uint_fast32_t ret; + ret = ((sgnd && v < 0) ? ((1 << prec) + v) : v) & JAS_ONES(prec); + return ret; +} + +static jas_seqent_t bitstoint(uint_fast32_t v, int prec, bool sgnd) +{ + jas_seqent_t ret; + v &= JAS_ONES(prec); + ret = (sgnd && (v & (1 << (prec - 1)))) ? (v - (1 << prec)) : v; + return ret; +} + +static void jas_image_setbbox(jas_image_t *image) +{ + jas_image_cmpt_t *cmpt; + int cmptno; + int_fast32_t x; + int_fast32_t y; + + if (image->numcmpts_ > 0) { + /* Determine the bounding box for all of the components on the + reference grid (i.e., the image area) */ + cmpt = image->cmpts_[0]; + image->tlx_ = cmpt->tlx_; + image->tly_ = cmpt->tly_; + image->brx_ = cmpt->tlx_ + cmpt->hstep_ * (cmpt->width_ - 1) + 1; + image->bry_ = cmpt->tly_ + cmpt->vstep_ * (cmpt->height_ - 1) + 1; + for (cmptno = 1; cmptno < image->numcmpts_; ++cmptno) { + cmpt = image->cmpts_[cmptno]; + if (image->tlx_ > cmpt->tlx_) { + image->tlx_ = cmpt->tlx_; + } + if (image->tly_ > cmpt->tly_) { + image->tly_ = cmpt->tly_; + } + x = cmpt->tlx_ + cmpt->hstep_ * (cmpt->width_ - 1) + 1; + if (image->brx_ < x) { + image->brx_ = x; + } + y = cmpt->tly_ + cmpt->vstep_ * (cmpt->height_ - 1) + 1; + if (image->bry_ < y) { + image->bry_ = y; + } + } + } else { + image->tlx_ = 0; + image->tly_ = 0; + image->brx_ = 0; + image->bry_ = 0; + } +} + +static int jas_image_growcmpts(jas_image_t *image, int maxcmpts) +{ + jas_image_cmpt_t **newcmpts; + int cmptno; + + newcmpts = (!image->cmpts_) ? jas_malloc(maxcmpts * sizeof(jas_image_cmpt_t *)) : + jas_realloc(image->cmpts_, maxcmpts * sizeof(jas_image_cmpt_t *)); + if (!newcmpts) { + return -1; + } + image->cmpts_ = newcmpts; + image->maxcmpts_ = maxcmpts; + for (cmptno = image->numcmpts_; cmptno < image->maxcmpts_; ++cmptno) { + image->cmpts_[cmptno] = 0; + } + return 0; +} + +int jas_image_copycmpt(jas_image_t *dstimage, int dstcmptno, jas_image_t *srcimage, + int srccmptno) +{ + jas_image_cmpt_t *newcmpt; + if (dstimage->numcmpts_ >= dstimage->maxcmpts_) { + if (jas_image_growcmpts(dstimage, dstimage->maxcmpts_ + 128)) { + return -1; + } + } + if (!(newcmpt = jas_image_cmpt_copy(srcimage->cmpts_[srccmptno]))) { + return -1; + } + if (dstcmptno < dstimage->numcmpts_) { + memmove(&dstimage->cmpts_[dstcmptno + 1], &dstimage->cmpts_[dstcmptno], + (dstimage->numcmpts_ - dstcmptno) * sizeof(jas_image_cmpt_t *)); + } + dstimage->cmpts_[dstcmptno] = newcmpt; + ++dstimage->numcmpts_; + + jas_image_setbbox(dstimage); + return 0; +} + +void jas_image_dump(jas_image_t *image, FILE *out) +{ + long buf[1024]; + int cmptno; + int n; + int i; + int width; + int height; + jas_image_cmpt_t *cmpt; + for (cmptno = 0; cmptno < image->numcmpts_; ++cmptno) { + cmpt = image->cmpts_[cmptno]; + fprintf(out, "prec=%d, sgnd=%d, cmpttype=%d\n", cmpt->prec_, + cmpt->sgnd_, cmpt->type_); + width = jas_image_cmptwidth(image, cmptno); + height = jas_image_cmptheight(image, cmptno); + n = JAS_MIN(16, width); + if (jas_image_readcmpt2(image, cmptno, 0, 0, n, 1, buf)) { + abort(); + } + for (i = 0; i < n; ++i) { + fprintf(out, " f(%d,%d)=%ld", i, 0, buf[i]); + } + fprintf(out, "\n"); + if (jas_image_readcmpt2(image, cmptno, width - n, height - 1, n, 1, buf)) { + abort(); + } + for (i = 0; i < n; ++i) { + fprintf(out, " f(%d,%d)=%ld", width - n + i, height - 1, buf[i]); + } + fprintf(out, "\n"); + } +} + +int jas_image_depalettize(jas_image_t *image, int cmptno, int numlutents, + int_fast32_t *lutents, int dtype, int newcmptno) +{ + jas_image_cmptparm_t cmptparms; + int_fast32_t v; + int i; + int j; + jas_image_cmpt_t *cmpt; + + cmpt = image->cmpts_[cmptno]; + cmptparms.tlx = cmpt->tlx_; + cmptparms.tly = cmpt->tly_; + cmptparms.hstep = cmpt->hstep_; + cmptparms.vstep = cmpt->vstep_; + cmptparms.width = cmpt->width_; + cmptparms.height = cmpt->height_; + cmptparms.prec = JAS_IMAGE_CDT_GETPREC(dtype); + cmptparms.sgnd = JAS_IMAGE_CDT_GETSGND(dtype); + + if (jas_image_addcmpt(image, newcmptno, &cmptparms)) { + return -1; + } + if (newcmptno <= cmptno) { + ++cmptno; + cmpt = image->cmpts_[cmptno]; + } + + for (j = 0; j < cmpt->height_; ++j) { + for (i = 0; i < cmpt->width_; ++i) { + v = jas_image_readcmptsample(image, cmptno, i, j); + if (v < 0) { + v = 0; + } else if (v >= numlutents) { + v = numlutents - 1; + } + jas_image_writecmptsample(image, newcmptno, i, j, + lutents[v]); + } + } + return 0; +} + +int jas_image_readcmptsample(jas_image_t *image, int cmptno, int x, int y) +{ + jas_image_cmpt_t *cmpt; + uint_fast32_t v; + int k; + int c; + + cmpt = image->cmpts_[cmptno]; + + if (jas_stream_seek(cmpt->stream_, (cmpt->width_ * y + x) * cmpt->cps_, + SEEK_SET) < 0) { + return -1; + } + v = 0; + for (k = cmpt->cps_; k > 0; --k) { + if ((c = jas_stream_getc(cmpt->stream_)) == EOF) { + return -1; + } + v = (v << 8) | (c & 0xff); + } + return bitstoint(v, cmpt->prec_, cmpt->sgnd_); +} + +void jas_image_writecmptsample(jas_image_t *image, int cmptno, int x, int y, + int_fast32_t v) +{ + jas_image_cmpt_t *cmpt; + uint_fast32_t t; + int k; + int c; + + cmpt = image->cmpts_[cmptno]; + + if (jas_stream_seek(cmpt->stream_, (cmpt->width_ * y + x) * cmpt->cps_, + SEEK_SET) < 0) { + return; + } + t = inttobits(v, cmpt->prec_, cmpt->sgnd_); + for (k = cmpt->cps_; k > 0; --k) { + c = (t >> (8 * (cmpt->cps_ - 1))) & 0xff; + if (jas_stream_putc(cmpt->stream_, (unsigned char) c) == EOF) { + return; + } + t <<= 8; + } +} + +int jas_image_getcmptbytype(jas_image_t *image, int ctype) +{ + int cmptno; + + for (cmptno = 0; cmptno < image->numcmpts_; ++cmptno) { + if (image->cmpts_[cmptno]->type_ == ctype) { + return cmptno; + } + } + return -1; +} + + + + + + + + + + + + + + + + +/***********************************************/ +/***********************************************/ +/***********************************************/ +/***********************************************/ + +int jas_image_readcmpt2(jas_image_t *image, int cmptno, jas_image_coord_t x, + jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height, + long *buf) +{ + jas_image_cmpt_t *cmpt; + jas_image_coord_t i; + jas_image_coord_t j; + long v; + long *bufptr; + + if (cmptno < 0 || cmptno >= image->numcmpts_) + goto error; + cmpt = image->cmpts_[cmptno]; + if (x < 0 || x >= cmpt->width_ || y < 0 || y >= cmpt->height_ || + width < 0 || height < 0 || x + width > cmpt->width_ || + y + height > cmpt->height_) + goto error; + + bufptr = buf; + for (i = 0; i < height; ++i) { + if (jas_stream_seek(cmpt->stream_, (cmpt->width_ * (y + i) + x) + * cmpt->cps_, SEEK_SET) < 0) + goto error; + for (j = 0; j < width; ++j) { + if (getint(cmpt->stream_, cmpt->sgnd_, cmpt->prec_, &v)) + goto error; + *bufptr++ = v; + } + } + + return 0; +error: + return -1; +} + +int jas_image_writecmpt2(jas_image_t *image, int cmptno, jas_image_coord_t x, + jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height, + long *buf) +{ + jas_image_cmpt_t *cmpt; + jas_image_coord_t i; + jas_image_coord_t j; + long v; + long *bufptr; + + if (cmptno < 0 || cmptno >= image->numcmpts_) + goto error; + cmpt = image->cmpts_[cmptno]; + if (x < 0 || x >= cmpt->width_ || y < 0 || y >= cmpt->height_ || + width < 0 || height < 0 || x + width > cmpt->width_ || + y + height > cmpt->height_) + goto error; + + bufptr = buf; + for (i = 0; i < height; ++i) { + if (jas_stream_seek(cmpt->stream_, (cmpt->width_ * (y + i) + x) + * cmpt->cps_, SEEK_SET) < 0) + goto error; + for (j = 0; j < width; ++j) { + v = *bufptr++; + if (putint(cmpt->stream_, cmpt->sgnd_, cmpt->prec_, v)) + goto error; + } + } + + return 0; +error: + return -1; +} + +int jas_image_sampcmpt(jas_image_t *image, int cmptno, int newcmptno, + jas_image_coord_t ho, jas_image_coord_t vo, jas_image_coord_t hs, + jas_image_coord_t vs, int sgnd, int prec) +{ + jas_image_cmpt_t *oldcmpt; + jas_image_cmpt_t *newcmpt; + int width; + int height; + jas_image_coord_t tlx; + jas_image_coord_t tly; + jas_image_coord_t brx; + jas_image_coord_t bry; + int i; + int j; + jas_image_cmptparm_t cmptparm; + jas_image_coord_t ax; + jas_image_coord_t ay; + jas_image_coord_t bx; + jas_image_coord_t by; + jas_image_coord_t d0; + jas_image_coord_t d1; + jas_image_coord_t d2; + jas_image_coord_t d3; + jas_image_coord_t oldx; + jas_image_coord_t oldy; + jas_image_coord_t x; + jas_image_coord_t y; + long v; + jas_image_coord_t cmptbrx; + jas_image_coord_t cmptbry; + + assert(cmptno >= 0 && cmptno < image->numcmpts_); + oldcmpt = image->cmpts_[cmptno]; + assert(oldcmpt->tlx_ == 0 && oldcmpt->tly_ == 0); + jas_image_calcbbox2(image, &tlx, &tly, &brx, &bry); + width = FLOORDIV(brx - ho + hs, hs); + height = FLOORDIV(bry - vo + vs, vs); + cmptparm.tlx = ho; + cmptparm.tly = vo; + cmptparm.hstep = hs; + cmptparm.vstep = vs; + cmptparm.width = width; + cmptparm.height = height; + cmptparm.prec = prec; + cmptparm.sgnd = sgnd; + if (jas_image_addcmpt(image, newcmptno, &cmptparm)) + goto error; +cmptbrx = oldcmpt->tlx_ + (oldcmpt->width_ - 1) * oldcmpt->hstep_; +cmptbry = oldcmpt->tly_ + (oldcmpt->height_ - 1) * oldcmpt->vstep_; + newcmpt = image->cmpts_[newcmptno]; + jas_stream_rewind(newcmpt->stream_); + for (i = 0; i < height; ++i) { + y = newcmpt->tly_ + newcmpt->vstep_ * i; + for (j = 0; j < width; ++j) { + x = newcmpt->tlx_ + newcmpt->hstep_ * j; + ax = downtomult(x - oldcmpt->tlx_, oldcmpt->hstep_) + oldcmpt->tlx_; + ay = downtomult(y - oldcmpt->tly_, oldcmpt->vstep_) + oldcmpt->tly_; + bx = uptomult(x - oldcmpt->tlx_, oldcmpt->hstep_) + oldcmpt->tlx_; + if (bx > cmptbrx) + bx = cmptbrx; + by = uptomult(y - oldcmpt->tly_, oldcmpt->vstep_) + oldcmpt->tly_; + if (by > cmptbry) + by = cmptbry; + d0 = (ax - x) * (ax - x) + (ay - y) * (ay - y); + d1 = (bx - x) * (bx - x) + (ay - y) * (ay - y); + d2 = (bx - x) * (bx - x) + (by - y) * (by - y); + d3 = (ax - x) * (ax - x) + (by - y) * (by - y); + if (d0 <= d1 && d0 <= d2 && d0 <= d3) { + oldx = (ax - oldcmpt->tlx_) / oldcmpt->hstep_; + oldy = (ay - oldcmpt->tly_) / oldcmpt->vstep_; + } else if (d1 <= d0 && d1 <= d2 && d1 <= d3) { + oldx = (bx - oldcmpt->tlx_) / oldcmpt->hstep_; + oldy = (ay - oldcmpt->tly_) / oldcmpt->vstep_; + } else if (d2 <= d0 && d2 <= d1 && d1 <= d3) { + oldx = (bx - oldcmpt->tlx_) / oldcmpt->hstep_; + oldy = (by - oldcmpt->tly_) / oldcmpt->vstep_; + } else { + oldx = (ax - oldcmpt->tlx_) / oldcmpt->hstep_; + oldy = (by - oldcmpt->tly_) / oldcmpt->vstep_; + } + assert(oldx >= 0 && oldx < oldcmpt->width_ && + oldy >= 0 && oldy < oldcmpt->height_); + if (jas_stream_seek(oldcmpt->stream_, oldcmpt->cps_ * + (oldy * oldcmpt->width_ + oldx), SEEK_SET) < 0) + goto error; + if (getint(oldcmpt->stream_, oldcmpt->sgnd_, + oldcmpt->prec_, &v)) + goto error; + if (newcmpt->prec_ != oldcmpt->prec_ || + newcmpt->sgnd_ != oldcmpt->sgnd_) { + v = convert(v, oldcmpt->sgnd_, oldcmpt->prec_, + newcmpt->sgnd_, newcmpt->prec_); + } + if (putint(newcmpt->stream_, newcmpt->sgnd_, + newcmpt->prec_, v)) + goto error; + } + } + return 0; +error: + return -1; +} + +int jas_image_ishomosamp(jas_image_t *image) +{ + jas_image_coord_t hstep; + jas_image_coord_t vstep; + int result; + int i; + hstep = jas_image_cmpthstep(image, 0); + vstep = jas_image_cmptvstep(image, 0); + result = 1; + for (i = 0; i < image->numcmpts_; ++i) { + if (jas_image_cmpthstep(image, i) != hstep || + jas_image_cmptvstep(image, i) != vstep) { + result = 0; + break; + } + } + return result; +} + +/* Note: This function defines a bounding box differently. */ +static void jas_image_calcbbox2(jas_image_t *image, jas_image_coord_t *tlx, + jas_image_coord_t *tly, jas_image_coord_t *brx, jas_image_coord_t *bry) +{ + jas_image_cmpt_t *cmpt; + jas_image_coord_t tmptlx; + jas_image_coord_t tmptly; + jas_image_coord_t tmpbrx; + jas_image_coord_t tmpbry; + jas_image_coord_t t; + int i; + if (image->numcmpts_ > 0) { + cmpt = image->cmpts_[0]; + tmptlx = cmpt->tlx_; + tmptly = cmpt->tly_; + tmpbrx = cmpt->tlx_ + cmpt->hstep_ * (cmpt->width_ - 1); + tmpbry = cmpt->tly_ + cmpt->vstep_ * (cmpt->height_ - 1); + for (i = 0; i < image->numcmpts_; ++i) { + cmpt = image->cmpts_[i]; + if (cmpt->tlx_ < tmptlx) + tmptlx = cmpt->tlx_; + if (cmpt->tly_ < tmptly) + tmptly = cmpt->tly_; + t = cmpt->tlx_ + cmpt->hstep_ * (cmpt->width_ - 1); + if (t > tmpbrx) + tmpbrx = t; + t = cmpt->tly_ + cmpt->vstep_ * (cmpt->height_ - 1); + if (t > tmpbry) + tmpbry = t; + } + } else { + tmptlx = 0; + tmptly = 0; + tmpbrx = -1; + tmpbry = -1; + } + *tlx = tmptlx; + *tly = tmptly; + *brx = tmpbrx; + *bry = tmpbry; +} + + + +static int getint(jas_stream_t *in, int sgnd, int prec, long *val) +{ + long v; + int n; + int c; + n = (prec + 7) / 8; + v = 0; + while (--n >= 0) { + if ((c = jas_stream_getc(in)) == EOF) + return -1; + v = (v << 8) | c; + } + v &= ((1 << prec) - 1); + if (sgnd) { + /* XXX - Do something here. */ + abort(); + } else { + *val = v; + } + return 0; +} + +static int putint(jas_stream_t *out, int sgnd, int prec, long val) +{ + int n; + int c; + if (sgnd) { + /* XXX - Do something here. */ + abort(); + } + val &= (1 << prec) - 1; + n = (prec + 7) / 8; + while (--n >= 0) { + c = (val >> (n * 8)) & 0xff; + if (jas_stream_putc(out, c) != c) + return -1; + } + return 0; +} + +static long convert(long val, int oldsgnd, int oldprec, int newsgnd, + int newprec) +{ + if (newsgnd != oldsgnd) { + } + if (newprec != oldprec) { + if (newprec > oldprec) { + val <<= newprec - oldprec; + } else if (oldprec > newprec) { + val >>= oldprec - newprec; + } + } + return val; +} + +static long downtomult(long x, long y) +{ + assert(x >= 0); + return (x / y) * y; +} + +static long uptomult(long x, long y) +{ + assert(x >= 0); + return ((x + y - 1) / y) * y; +} + +jas_image_t *jas_image_chclrspc(jas_image_t *image, jas_cmprof_t *outprof, + int intent) +{ + jas_image_t *inimage; + int minhstep; + int minvstep; + int i; + int j; + int k; + int n; + int hstep; + int vstep; + int numinauxchans; + int numoutauxchans; + int numinclrchans; + int numoutclrchans; + int prec; + jas_image_t *outimage; + int cmpttype; + int numoutchans; + jas_cmprof_t *inprof; + jas_cmprof_t *tmpprof; + jas_image_cmptparm_t cmptparm; + int width; + int height; + jas_cmxform_t *xform; + jas_cmpixmap_t inpixmap; + jas_cmpixmap_t outpixmap; + jas_cmcmptfmt_t *incmptfmts; + jas_cmcmptfmt_t *outcmptfmts; + +#if 0 +jas_eprintf("IMAGE\n"); +jas_image_dump(image, stderr); +#endif + + if (!(inimage = jas_image_copy(image))) + goto error; + image = 0; + + if (!jas_image_ishomosamp(inimage)) { + minhstep = jas_image_cmpthstep(inimage, 0); + minvstep = jas_image_cmptvstep(inimage, 0); + for (i = 1; i < jas_image_numcmpts(inimage); ++i) { + hstep = jas_image_cmpthstep(inimage, i); + vstep = jas_image_cmptvstep(inimage, i); + if (hstep < minhstep) + minhstep = hstep; + if (vstep < minvstep) + minvstep = vstep; + } + n = jas_image_numcmpts(inimage); + for (i = 0; i < n; ++i) { + cmpttype = jas_image_cmpttype(inimage, i); + if (jas_image_sampcmpt(inimage, i, i + 1, 0, 0, minhstep, minvstep, jas_image_cmptsgnd(inimage, i), jas_image_cmptprec(inimage, i))) + goto error; + jas_image_setcmpttype(inimage, i + 1, cmpttype); + jas_image_delcmpt(inimage, i); + } + } + + width = jas_image_cmptwidth(inimage, 0); + height = jas_image_cmptheight(inimage, 0); + hstep = jas_image_cmpthstep(inimage, 0); + vstep = jas_image_cmptvstep(inimage, 0); + + inprof = jas_image_cmprof(inimage); + assert(inprof); + numinclrchans = jas_clrspc_numchans(jas_cmprof_clrspc(inprof)); + numinauxchans = jas_image_numcmpts(inimage) - numinclrchans; + numoutclrchans = jas_clrspc_numchans(jas_cmprof_clrspc(outprof)); + numoutauxchans = 0; + numoutchans = numoutclrchans + numoutauxchans; + prec = 8; + + if (!(outimage = jas_image_create0())) + goto error; + + /* Create a component for each of the colorants. */ + for (i = 0; i < numoutclrchans; ++i) { + cmptparm.tlx = 0; + cmptparm.tly = 0; + cmptparm.hstep = hstep; + cmptparm.vstep = vstep; + cmptparm.width = width; + cmptparm.height = height; + cmptparm.prec = prec; + cmptparm.sgnd = 0; + if (jas_image_addcmpt(outimage, -1, &cmptparm)) + goto error; + jas_image_setcmpttype(outimage, i, JAS_IMAGE_CT_COLOR(i)); + } +#if 0 + /* Copy the auxiliary components without modification. */ + for (i = 0; i < jas_image_numcmpts(inimage); ++i) { + if (!ISCOLOR(jas_image_cmpttype(inimage, i))) { + jas_image_copycmpt(outimage, -1, inimage, i); +/* XXX - need to specify laydown of component on ref. grid */ + } + } +#endif + + if (!(tmpprof = jas_cmprof_copy(outprof))) + goto error; + assert(!jas_image_cmprof(outimage)); + jas_image_setcmprof(outimage, tmpprof); + tmpprof = 0; + jas_image_setclrspc(outimage, jas_cmprof_clrspc(outprof)); + + if (!(xform = jas_cmxform_create(inprof, outprof, 0, JAS_CMXFORM_OP_FWD, intent, 0))) + goto error; + + inpixmap.numcmpts = numinclrchans; + incmptfmts = malloc(numinclrchans * sizeof(jas_cmcmptfmt_t)); + assert(incmptfmts); + inpixmap.cmptfmts = incmptfmts; + for (i = 0; i < numinclrchans; ++i) { + j = jas_image_getcmptbytype(inimage, JAS_IMAGE_CT_COLOR(i)); + assert(j >= 0); + if (!(incmptfmts[i].buf = malloc(width * sizeof(long)))) + goto error; + incmptfmts[i].prec = jas_image_cmptprec(inimage, j); + incmptfmts[i].sgnd = jas_image_cmptsgnd(inimage, j); + incmptfmts[i].width = width; + incmptfmts[i].height = 1; + } + + outpixmap.numcmpts = numoutclrchans; + outcmptfmts = malloc(numoutclrchans * sizeof(jas_cmcmptfmt_t)); + assert(outcmptfmts); + outpixmap.cmptfmts = outcmptfmts; + + for (i = 0; i < numoutclrchans; ++i) { + j = jas_image_getcmptbytype(outimage, JAS_IMAGE_CT_COLOR(i)); + assert(j >= 0); + if (!(outcmptfmts[i].buf = malloc(width * sizeof(long)))) + goto error; + outcmptfmts[i].prec = jas_image_cmptprec(outimage, j); + outcmptfmts[i].sgnd = jas_image_cmptsgnd(outimage, j); + outcmptfmts[i].width = width; + outcmptfmts[i].height = 1; + } + + for (i = 0; i < height; ++i) { + for (j = 0; j < numinclrchans; ++j) { + k = jas_image_getcmptbytype(inimage, JAS_IMAGE_CT_COLOR(j)); + if (jas_image_readcmpt2(inimage, k, 0, i, width, 1, incmptfmts[j].buf)) + goto error; + } + jas_cmxform_apply(xform, &inpixmap, &outpixmap); + for (j = 0; j < numoutclrchans; ++j) { + k = jas_image_getcmptbytype(outimage, JAS_IMAGE_CT_COLOR(j)); + if (jas_image_writecmpt2(outimage, k, 0, i, width, 1, outcmptfmts[j].buf)) + goto error; + } + } + + for (i = 0; i < numoutclrchans; ++i) + jas_free(outcmptfmts[i].buf); + jas_free(outcmptfmts); + for (i = 0; i < numinclrchans; ++i) + jas_free(incmptfmts[i].buf); + jas_free(incmptfmts); + jas_cmxform_destroy(xform); + jas_image_destroy(inimage); + +#if 0 +jas_eprintf("INIMAGE\n"); +jas_image_dump(inimage, stderr); +jas_eprintf("OUTIMAGE\n"); +jas_image_dump(outimage, stderr); +#endif + return outimage; +error: + return 0; +} diff --git a/src/libjasper/base/jas_init.c b/src/libjasper/base/jas_init.c new file mode 100644 index 0000000..960d1e9 --- /dev/null +++ b/src/libjasper/base/jas_init.c @@ -0,0 +1,170 @@ +/* + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_types.h" +#include "jasper/jas_image.h" +#include "jasper/jas_init.h" + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +/* Initialize the image format table. */ +int jas_init() +{ + jas_image_fmtops_t fmtops; + int fmtid; + + fmtid = 0; + +#if !defined(EXCLUDE_MIF_SUPPORT) + fmtops.decode = mif_decode; + fmtops.encode = mif_encode; + fmtops.validate = mif_validate; + jas_image_addfmt(fmtid, "mif", "mif", "My Image Format (MIF)", &fmtops); + ++fmtid; +#endif + +#if !defined(EXCLUDE_PNM_SUPPORT) + fmtops.decode = pnm_decode; + fmtops.encode = pnm_encode; + fmtops.validate = pnm_validate; + jas_image_addfmt(fmtid, "pnm", "pnm", "Portable Graymap/Pixmap (PNM)", + &fmtops); + jas_image_addfmt(fmtid, "pnm", "pgm", "Portable Graymap/Pixmap (PNM)", + &fmtops); + jas_image_addfmt(fmtid, "pnm", "ppm", "Portable Graymap/Pixmap (PNM)", + &fmtops); + ++fmtid; +#endif + +#if !defined(EXCLUDE_BMP_SUPPORT) + fmtops.decode = bmp_decode; + fmtops.encode = bmp_encode; + fmtops.validate = bmp_validate; + jas_image_addfmt(fmtid, "bmp", "bmp", "Microsoft Bitmap (BMP)", &fmtops); + ++fmtid; +#endif + +#if !defined(EXCLUDE_RAS_SUPPORT) + fmtops.decode = ras_decode; + fmtops.encode = ras_encode; + fmtops.validate = ras_validate; + jas_image_addfmt(fmtid, "ras", "ras", "Sun Rasterfile (RAS)", &fmtops); + ++fmtid; +#endif + +#if !defined(EXCLUDE_JP2_SUPPORT) + fmtops.decode = jp2_decode; + fmtops.encode = jp2_encode; + fmtops.validate = jp2_validate; + jas_image_addfmt(fmtid, "jp2", "jp2", + "JPEG-2000 JP2 File Format Syntax (ISO/IEC 15444-1)", &fmtops); + ++fmtid; + fmtops.decode = jpc_decode; + fmtops.encode = jpc_encode; + fmtops.validate = jpc_validate; + jas_image_addfmt(fmtid, "jpc", "jpc", + "JPEG-2000 Code Stream Syntax (ISO/IEC 15444-1)", &fmtops); + ++fmtid; +#endif + +#if !defined(EXCLUDE_JPG_SUPPORT) + fmtops.decode = jpg_decode; + fmtops.encode = jpg_encode; + fmtops.validate = jpg_validate; + jas_image_addfmt(fmtid, "jpg", "jpg", "JPEG (ISO/IEC 10918-1)", &fmtops); + ++fmtid; +#endif + +#if !defined(EXCLUDE_PGX_SUPPORT) + fmtops.decode = pgx_decode; + fmtops.encode = pgx_encode; + fmtops.validate = pgx_validate; + jas_image_addfmt(fmtid, "pgx", "pgx", "JPEG-2000 VM Format (PGX)", &fmtops); + ++fmtid; +#endif + +#if !defined(EXCLUDE_TIFF_SUPPORT) + fmtops.decode = tiff_decode; + fmtops.encode = tiff_encode; + fmtops.validate = tiff_validate; + jas_image_addfmt(fmtid, "tif", "tif", "Tagged Image File (TIFF)", &fmtops); + ++fmtid; +#endif + + /* We must not register the JasPer library exit handler until after + at least one memory allocation is performed. This is desirable + as it ensures that the JasPer exit handler is called before the + debug memory allocator exit handler. */ + atexit(jas_cleanup); + + return 0; +} + +void jas_cleanup() +{ + jas_image_clearfmts(); +} diff --git a/src/libjasper/base/jas_malloc.c b/src/libjasper/base/jas_malloc.c new file mode 100644 index 0000000..77f2bc6 --- /dev/null +++ b/src/libjasper/base/jas_malloc.c @@ -0,0 +1,131 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Memory Allocator + * + * $Id: jas_malloc.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> + +/* We need the prototype for memset. */ +#include <string.h> + +#include "jasper/jas_malloc.h" + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +#if defined(DEBUG_MEMALLOC) +#include "../../../local/src/memalloc.c" +#endif + +#if !defined(DEBUG_MEMALLOC) + +#define MEMALLOC_ALIGNMENT 32 +#define MEMALLOC_ALIGN2 +#undef MEMALLOC_ALIGN2 + +void *jas_malloc(size_t size) +{ +#if defined(MEMALLOC_ALIGN2) + void *ptr; +abort(); + if (posix_memalign(&ptr, MEMALLOC_ALIGNMENT, size)) { + return 0; + } + return ptr; +#endif + return malloc(size); +} + +void jas_free(void *ptr) +{ + free(ptr); +} + +void *jas_realloc(void *ptr, size_t size) +{ + return realloc(ptr, size); +} + +void *jas_calloc(size_t nmemb, size_t size) +{ + void *ptr; + size_t n; + n = nmemb * size; + if (!(ptr = jas_malloc(n * sizeof(char)))) { + return 0; + } + memset(ptr, 0, n); + return ptr; +} + +#endif diff --git a/src/libjasper/base/jas_seq.c b/src/libjasper/base/jas_seq.c new file mode 100644 index 0000000..fcf14f0 --- /dev/null +++ b/src/libjasper/base/jas_seq.c @@ -0,0 +1,454 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Sequence/Matrix Library + * + * $Id: jas_seq.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdlib.h> +#include <assert.h> +#include <math.h> + +#include "jasper/jas_seq.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_math.h" + +/******************************************************************************\ +* Constructors and destructors. +\******************************************************************************/ + +jas_matrix_t *jas_seq2d_create(int xstart, int ystart, int xend, int yend) +{ + jas_matrix_t *matrix; + assert(xstart <= xend && ystart <= yend); + if (!(matrix = jas_matrix_create(yend - ystart, xend - xstart))) { + return 0; + } + matrix->xstart_ = xstart; + matrix->ystart_ = ystart; + matrix->xend_ = xend; + matrix->yend_ = yend; + return matrix; +} + +jas_matrix_t *jas_matrix_create(int numrows, int numcols) +{ + jas_matrix_t *matrix; + int i; + + if (!(matrix = jas_malloc(sizeof(jas_matrix_t)))) { + return 0; + } + matrix->flags_ = 0; + matrix->numrows_ = numrows; + matrix->numcols_ = numcols; + matrix->rows_ = 0; + matrix->maxrows_ = numrows; + matrix->data_ = 0; + matrix->datasize_ = numrows * numcols; + + if (matrix->maxrows_ > 0) { + if (!(matrix->rows_ = jas_malloc(matrix->maxrows_ * + sizeof(jas_seqent_t *)))) { + jas_matrix_destroy(matrix); + return 0; + } + } + + if (matrix->datasize_ > 0) { + if (!(matrix->data_ = jas_malloc(matrix->datasize_ * + sizeof(jas_seqent_t)))) { + jas_matrix_destroy(matrix); + return 0; + } + } + + for (i = 0; i < numrows; ++i) { + matrix->rows_[i] = &matrix->data_[i * matrix->numcols_]; + } + + for (i = 0; i < matrix->datasize_; ++i) { + matrix->data_[i] = 0; + } + + matrix->xstart_ = 0; + matrix->ystart_ = 0; + matrix->xend_ = matrix->numcols_; + matrix->yend_ = matrix->numrows_; + + return matrix; +} + +void jas_matrix_destroy(jas_matrix_t *matrix) +{ + if (matrix->data_) { + assert(!(matrix->flags_ & JAS_MATRIX_REF)); + jas_free(matrix->data_); + matrix->data_ = 0; + } + if (matrix->rows_) { + jas_free(matrix->rows_); + matrix->rows_ = 0; + } + jas_free(matrix); +} + +jas_seq2d_t *jas_seq2d_copy(jas_seq2d_t *x) +{ + jas_matrix_t *y; + int i; + int j; + y = jas_seq2d_create(jas_seq2d_xstart(x), jas_seq2d_ystart(x), jas_seq2d_xend(x), + jas_seq2d_yend(x)); + assert(y); + for (i = 0; i < x->numrows_; ++i) { + for (j = 0; j < x->numcols_; ++j) { + *jas_matrix_getref(y, i, j) = jas_matrix_get(x, i, j); + } + } + return y; +} + +jas_matrix_t *jas_matrix_copy(jas_matrix_t *x) +{ + jas_matrix_t *y; + int i; + int j; + y = jas_matrix_create(x->numrows_, x->numcols_); + for (i = 0; i < x->numrows_; ++i) { + for (j = 0; j < x->numcols_; ++j) { + *jas_matrix_getref(y, i, j) = jas_matrix_get(x, i, j); + } + } + return y; +} + +/******************************************************************************\ +* Bind operations. +\******************************************************************************/ + +void jas_seq2d_bindsub(jas_matrix_t *s, jas_matrix_t *s1, int xstart, int ystart, + int xend, int yend) +{ + jas_matrix_bindsub(s, s1, ystart - s1->ystart_, xstart - s1->xstart_, + yend - s1->ystart_ - 1, xend - s1->xstart_ - 1); +} + +void jas_matrix_bindsub(jas_matrix_t *mat0, jas_matrix_t *mat1, int r0, int c0, + int r1, int c1) +{ + int i; + + if (mat0->data_) { + if (!(mat0->flags_ & JAS_MATRIX_REF)) { + jas_free(mat0->data_); + } + mat0->data_ = 0; + mat0->datasize_ = 0; + } + if (mat0->rows_) { + jas_free(mat0->rows_); + mat0->rows_ = 0; + } + mat0->flags_ |= JAS_MATRIX_REF; + mat0->numrows_ = r1 - r0 + 1; + mat0->numcols_ = c1 - c0 + 1; + mat0->maxrows_ = mat0->numrows_; + mat0->rows_ = jas_malloc(mat0->maxrows_ * sizeof(jas_seqent_t *)); + for (i = 0; i < mat0->numrows_; ++i) { + mat0->rows_[i] = mat1->rows_[r0 + i] + c0; + } + + mat0->xstart_ = mat1->xstart_ + c0; + mat0->ystart_ = mat1->ystart_ + r0; + mat0->xend_ = mat0->xstart_ + mat0->numcols_; + mat0->yend_ = mat0->ystart_ + mat0->numrows_; +} + +/******************************************************************************\ +* Arithmetic operations. +\******************************************************************************/ + +int jas_matrix_cmp(jas_matrix_t *mat0, jas_matrix_t *mat1) +{ + int i; + int j; + + if (mat0->numrows_ != mat1->numrows_ || mat0->numcols_ != + mat1->numcols_) { + return 1; + } + for (i = 0; i < mat0->numrows_; i++) { + for (j = 0; j < mat0->numcols_; j++) { + if (jas_matrix_get(mat0, i, j) != jas_matrix_get(mat1, i, j)) { + return 1; + } + } + } + return 0; +} + +void jas_matrix_divpow2(jas_matrix_t *matrix, int n) +{ + int i; + int j; + jas_seqent_t *rowstart; + int rowstep; + jas_seqent_t *data; + + rowstep = jas_matrix_rowstep(matrix); + for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i, + rowstart += rowstep) { + for (j = matrix->numcols_, data = rowstart; j > 0; --j, + ++data) { + *data = (*data >= 0) ? ((*data) >> n) : + (-((-(*data)) >> n)); + } + } +} + +void jas_matrix_clip(jas_matrix_t *matrix, jas_seqent_t minval, jas_seqent_t maxval) +{ + int i; + int j; + jas_seqent_t v; + jas_seqent_t *rowstart; + jas_seqent_t *data; + int rowstep; + + rowstep = jas_matrix_rowstep(matrix); + for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i, + rowstart += rowstep) { + data = rowstart; + for (j = matrix->numcols_, data = rowstart; j > 0; --j, + ++data) { + v = *data; + if (v < minval) { + *data = minval; + } else if (v > maxval) { + *data = maxval; + } + } + } +} + +void jas_matrix_asr(jas_matrix_t *matrix, int n) +{ + int i; + int j; + jas_seqent_t *rowstart; + int rowstep; + jas_seqent_t *data; + + assert(n >= 0); + rowstep = jas_matrix_rowstep(matrix); + for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i, + rowstart += rowstep) { + for (j = matrix->numcols_, data = rowstart; j > 0; --j, + ++data) { + *data >>= n; + } + } +} + +void jas_matrix_asl(jas_matrix_t *matrix, int n) +{ + int i; + int j; + jas_seqent_t *rowstart; + int rowstep; + jas_seqent_t *data; + + rowstep = jas_matrix_rowstep(matrix); + for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i, + rowstart += rowstep) { + for (j = matrix->numcols_, data = rowstart; j > 0; --j, + ++data) { + *data <<= n; + } + } +} + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +int jas_matrix_resize(jas_matrix_t *matrix, int numrows, int numcols) +{ + int size; + int i; + + size = numrows * numcols; + if (size > matrix->datasize_ || numrows > matrix->maxrows_) { + return -1; + } + + matrix->numrows_ = numrows; + matrix->numcols_ = numcols; + + for (i = 0; i < numrows; ++i) { + matrix->rows_[i] = &matrix->data_[numcols * i]; + } + + return 0; +} + +void jas_matrix_setall(jas_matrix_t *matrix, jas_seqent_t val) +{ + int i; + int j; + jas_seqent_t *rowstart; + int rowstep; + jas_seqent_t *data; + + rowstep = jas_matrix_rowstep(matrix); + for (i = matrix->numrows_, rowstart = matrix->rows_[0]; i > 0; --i, + rowstart += rowstep) { + for (j = matrix->numcols_, data = rowstart; j > 0; --j, + ++data) { + *data = val; + } + } +} + +jas_matrix_t *jas_seq2d_input(FILE *in) +{ + jas_matrix_t *matrix; + int i; + int j; + long x; + int numrows; + int numcols; + int xoff; + int yoff; + + if (fscanf(in, "%d %d", &xoff, &yoff) != 2) + return 0; + if (fscanf(in, "%d %d", &numcols, &numrows) != 2) + return 0; + if (!(matrix = jas_seq2d_create(xoff, yoff, xoff + numcols, yoff + numrows))) + return 0; + + if (jas_matrix_numrows(matrix) != numrows || jas_matrix_numcols(matrix) != numcols) { + abort(); + } + + /* Get matrix data. */ + for (i = 0; i < jas_matrix_numrows(matrix); i++) { + for (j = 0; j < jas_matrix_numcols(matrix); j++) { + if (fscanf(in, "%ld", &x) != 1) { + jas_matrix_destroy(matrix); + return 0; + } + jas_matrix_set(matrix, i, j, JAS_CAST(jas_seqent_t, x)); + } + } + + return matrix; +} + +int jas_seq2d_output(jas_matrix_t *matrix, FILE *out) +{ +#define MAXLINELEN 80 + int i; + int j; + jas_seqent_t x; + char buf[MAXLINELEN + 1]; + char sbuf[MAXLINELEN + 1]; + int n; + + fprintf(out, "%d %d\n", jas_seq2d_xstart(matrix), + jas_seq2d_ystart(matrix)); + fprintf(out, "%d %d\n", jas_matrix_numcols(matrix), + jas_matrix_numrows(matrix)); + + buf[0] = '\0'; + for (i = 0; i < jas_matrix_numrows(matrix); ++i) { + for (j = 0; j < jas_matrix_numcols(matrix); ++j) { + x = jas_matrix_get(matrix, i, j); + sprintf(sbuf, "%s%4ld", (strlen(buf) > 0) ? " " : "", + JAS_CAST(long, x)); + n = strlen(buf); + if (n + strlen(sbuf) > MAXLINELEN) { + fputs(buf, out); + fputs("\n", out); + buf[0] = '\0'; + } + strcat(buf, sbuf); + if (j == jas_matrix_numcols(matrix) - 1) { + fputs(buf, out); + fputs("\n", out); + buf[0] = '\0'; + } + } + } + fputs(buf, out); + + return 0; +} diff --git a/src/libjasper/base/jas_stream.c b/src/libjasper/base/jas_stream.c new file mode 100644 index 0000000..f2b6d3a --- /dev/null +++ b/src/libjasper/base/jas_stream.c @@ -0,0 +1,1151 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * I/O Stream Library + * + * $Id: jas_stream.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <assert.h> +#if defined(HAVE_FCNTL_H) +#include <fcntl.h> +#endif +#include <stdlib.h> +#include <stdarg.h> +#include <stdio.h> +#include <ctype.h> +#if defined(HAVE_UNISTD_H) +#include <unistd.h> +#endif +#if defined(WIN32) || defined(HAVE_IO_H) +#include <io.h> +#endif + +#include "jasper/jas_types.h" +#include "jasper/jas_stream.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_math.h" + +/******************************************************************************\ +* Local function prototypes. +\******************************************************************************/ + +static int jas_strtoopenmode(const char *s); +static void jas_stream_destroy(jas_stream_t *stream); +jas_stream_t *jas_stream_create(void); /* IMLIB - removed static, so it can be used in jas_binfile.c */ +void jas_stream_initbuf(jas_stream_t *stream, int bufmode, char *buf, /* IMLIB - removed static, so it can be used in jas_binfile.c */ + int bufsize); + +static int mem_read(jas_stream_obj_t *obj, char *buf, int cnt); +static int mem_write(jas_stream_obj_t *obj, char *buf, int cnt); +static long mem_seek(jas_stream_obj_t *obj, long offset, int origin); +static int mem_close(jas_stream_obj_t *obj); + +static int sfile_read(jas_stream_obj_t *obj, char *buf, int cnt); +static int sfile_write(jas_stream_obj_t *obj, char *buf, int cnt); +static long sfile_seek(jas_stream_obj_t *obj, long offset, int origin); +static int sfile_close(jas_stream_obj_t *obj); + +static int file_read(jas_stream_obj_t *obj, char *buf, int cnt); +static int file_write(jas_stream_obj_t *obj, char *buf, int cnt); +static long file_seek(jas_stream_obj_t *obj, long offset, int origin); +static int file_close(jas_stream_obj_t *obj); + +/******************************************************************************\ +* Local data. +\******************************************************************************/ + +static jas_stream_ops_t jas_stream_fileops = { + file_read, + file_write, + file_seek, + file_close +}; + +static jas_stream_ops_t jas_stream_sfileops = { + sfile_read, + sfile_write, + sfile_seek, + sfile_close +}; + +static jas_stream_ops_t jas_stream_memops = { + mem_read, + mem_write, + mem_seek, + mem_close +}; + +/******************************************************************************\ +* Code for opening and closing streams. +\******************************************************************************/ + +jas_stream_t *jas_stream_create() /* IMLIB - removed static, so it can be used in jas_binfile.c */ +{ + jas_stream_t *stream; + + if (!(stream = jas_malloc(sizeof(jas_stream_t)))) { + return 0; + } + stream->openmode_ = 0; + stream->bufmode_ = 0; + stream->flags_ = 0; + stream->bufbase_ = 0; + stream->bufstart_ = 0; + stream->bufsize_ = 0; + stream->ptr_ = 0; + stream->cnt_ = 0; + stream->ops_ = 0; + stream->obj_ = 0; + stream->rwcnt_ = 0; + stream->rwlimit_ = -1; + + return stream; +} + +jas_stream_t *jas_stream_memopen(char *buf, int bufsize) +{ + jas_stream_t *stream; + jas_stream_memobj_t *obj; + + if (!(stream = jas_stream_create())) { + return 0; + } + + /* A stream associated with a memory buffer is always opened + for both reading and writing in binary mode. */ + stream->openmode_ = JAS_STREAM_READ | JAS_STREAM_WRITE | JAS_STREAM_BINARY; + + /* Since the stream data is already resident in memory, buffering + is not necessary. */ + /* But... It still may be faster to use buffering anyways. */ + jas_stream_initbuf(stream, JAS_STREAM_FULLBUF, 0, 0); + + /* Select the operations for a memory stream. */ + stream->ops_ = &jas_stream_memops; + + /* Allocate memory for the underlying memory stream object. */ + if (!(obj = jas_malloc(sizeof(jas_stream_memobj_t)))) { + jas_stream_destroy(stream); + return 0; + } + stream->obj_ = (void *) obj; + + /* Initialize a few important members of the memory stream object. */ + obj->myalloc_ = 0; + obj->buf_ = 0; + + /* If the buffer size specified is nonpositive, then the buffer + is allocated internally and automatically grown as needed. */ + if (bufsize <= 0) { + obj->bufsize_ = 1024; + obj->growable_ = 1; + } else { + obj->bufsize_ = bufsize; + obj->growable_ = 0; + } + if (buf) { + obj->buf_ = (unsigned char *) buf; + } else { + obj->buf_ = jas_malloc(obj->bufsize_ * sizeof(char)); + obj->myalloc_ = 1; + } + if (!obj->buf_) { + jas_stream_close(stream); + return 0; + } + + if (bufsize > 0 && buf) { + /* If a buffer was supplied by the caller and its length is positive, + make the associated buffer data appear in the stream initially. */ + obj->len_ = bufsize; + } else { + /* The stream is initially empty. */ + obj->len_ = 0; + } + obj->pos_ = 0; + + return stream; +} + +jas_stream_t *jas_stream_fopen(const char *filename, const char *mode) +{ + jas_stream_t *stream; + jas_stream_fileobj_t *obj; + int openflags; + + /* Allocate a stream object. */ + if (!(stream = jas_stream_create())) { + return 0; + } + + /* Parse the mode string. */ + stream->openmode_ = jas_strtoopenmode(mode); + + /* Determine the correct flags to use for opening the file. */ + if ((stream->openmode_ & JAS_STREAM_READ) && + (stream->openmode_ & JAS_STREAM_WRITE)) { + openflags = O_RDWR; + } else if (stream->openmode_ & JAS_STREAM_READ) { + openflags = O_RDONLY; + } else if (stream->openmode_ & JAS_STREAM_WRITE) { + openflags = O_WRONLY; + } else { + openflags = 0; + } + if (stream->openmode_ & JAS_STREAM_APPEND) { + openflags |= O_APPEND; + } + if (stream->openmode_ & JAS_STREAM_BINARY) { + openflags |= O_BINARY; + } + if (stream->openmode_ & JAS_STREAM_CREATE) { + openflags |= O_CREAT | O_TRUNC; + } + + /* Allocate space for the underlying file stream object. */ + if (!(obj = jas_malloc(sizeof(jas_stream_fileobj_t)))) { + jas_stream_destroy(stream); + return 0; + } + obj->fd = -1; + obj->flags = 0; + //obj->pathname[0] = '\0'; + strncpy(obj->pathname, filename, DIM_MAX_FILE_NAME); // GeoJasper: dima + stream->obj_ = (void *) obj; + + /* Select the operations for a file stream object. */ + stream->ops_ = &jas_stream_fileops; + + /* Open the underlying file. */ + if ((obj->fd = open(filename, openflags, JAS_STREAM_PERMS)) < 0) { + jas_stream_destroy(stream); + return 0; + } + + /* By default, use full buffering for this type of stream. */ + jas_stream_initbuf(stream, JAS_STREAM_FULLBUF, 0, 0); + + return stream; +} + +jas_stream_t *jas_stream_freopen(const char *path, const char *mode, FILE *fp) +{ + jas_stream_t *stream; + int openflags; + + /* Eliminate compiler warning about unused variable. */ + path = 0; + + /* Allocate a stream object. */ + if (!(stream = jas_stream_create())) { + return 0; + } + + /* Parse the mode string. */ + stream->openmode_ = jas_strtoopenmode(mode); + + /* Determine the correct flags to use for opening the file. */ + if ((stream->openmode_ & JAS_STREAM_READ) && + (stream->openmode_ & JAS_STREAM_WRITE)) { + openflags = O_RDWR; + } else if (stream->openmode_ & JAS_STREAM_READ) { + openflags = O_RDONLY; + } else if (stream->openmode_ & JAS_STREAM_WRITE) { + openflags = O_WRONLY; + } else { + openflags = 0; + } + if (stream->openmode_ & JAS_STREAM_APPEND) { + openflags |= O_APPEND; + } + if (stream->openmode_ & JAS_STREAM_BINARY) { + openflags |= O_BINARY; + } + if (stream->openmode_ & JAS_STREAM_CREATE) { + openflags |= O_CREAT | O_TRUNC; + } + + stream->obj_ = JAS_CAST(void *, fp); + + /* Select the operations for a file stream object. */ + stream->ops_ = &jas_stream_sfileops; + + /* By default, use full buffering for this type of stream. */ + jas_stream_initbuf(stream, JAS_STREAM_FULLBUF, 0, 0); + + return stream; +} + +jas_stream_t *jas_stream_tmpfile() +{ + jas_stream_t *stream; + jas_stream_fileobj_t *obj; + + if (!(stream = jas_stream_create())) { + return 0; + } + + /* A temporary file stream is always opened for both reading and + writing in binary mode. */ + stream->openmode_ = JAS_STREAM_READ | JAS_STREAM_WRITE | JAS_STREAM_BINARY; + + /* Allocate memory for the underlying temporary file object. */ + if (!(obj = jas_malloc(sizeof(jas_stream_fileobj_t)))) { + jas_stream_destroy(stream); + return 0; + } + obj->fd = -1; + obj->flags = 0; + obj->pathname[0] = '\0'; + stream->obj_ = obj; + + /* Choose a file name. */ + tmpnam(obj->pathname); + + /* Open the underlying file. */ + if ((obj->fd = open(obj->pathname, O_CREAT | O_EXCL | O_RDWR | O_TRUNC | O_BINARY, + JAS_STREAM_PERMS)) < 0) { + jas_stream_destroy(stream); + return 0; + } + + /* Unlink the file so that it will disappear if the program + terminates abnormally. */ + /* Under UNIX, one can unlink an open file and continue to do I/O + on it. Not all operating systems support this functionality, however. + For example, under Microsoft Windows the unlink operation will fail, + since the file is open. */ + if (unlink(obj->pathname)) { + /* We will try unlinking the file again after it is closed. */ + obj->flags |= JAS_STREAM_FILEOBJ_DELONCLOSE; + } + + /* Use full buffering. */ + jas_stream_initbuf(stream, JAS_STREAM_FULLBUF, 0, 0); + + stream->ops_ = &jas_stream_fileops; + + return stream; +} + +jas_stream_t *jas_stream_fdopen(int fd, const char *mode) +{ + jas_stream_t *stream; + jas_stream_fileobj_t *obj; + + /* Allocate a stream object. */ + if (!(stream = jas_stream_create())) { + return 0; + } + + /* Parse the mode string. */ + stream->openmode_ = jas_strtoopenmode(mode); + +#if defined(WIN32) + /* Argh!!! Someone ought to banish text mode (i.e., O_TEXT) to the + greatest depths of purgatory! */ + /* Ensure that the file descriptor is in binary mode, if the caller + has specified the binary mode flag. Arguably, the caller ought to + take care of this, but text mode is a ugly wart anyways, so we save + the caller some grief by handling this within the stream library. */ + /* This ugliness is mainly for the benefit of those who run the + JasPer software under Windows from shells that insist on opening + files in text mode. For example, in the Cygwin environment, + shells often open files in text mode when I/O redirection is + used. Grr... */ + if (stream->openmode_ & JAS_STREAM_BINARY) { + setmode(fd, O_BINARY); + } +#endif + + /* Allocate space for the underlying file stream object. */ + if (!(obj = jas_malloc(sizeof(jas_stream_fileobj_t)))) { + jas_stream_destroy(stream); + return 0; + } + obj->fd = fd; + obj->flags = 0; + obj->pathname[0] = '\0'; + stream->obj_ = (void *) obj; + + /* Do not close the underlying file descriptor when the stream is + closed. */ + obj->flags |= JAS_STREAM_FILEOBJ_NOCLOSE; + + /* By default, use full buffering for this type of stream. */ + jas_stream_initbuf(stream, JAS_STREAM_FULLBUF, 0, 0); + + /* Select the operations for a file stream object. */ + stream->ops_ = &jas_stream_fileops; + + return stream; +} + +static void jas_stream_destroy(jas_stream_t *stream) +{ + /* If the memory for the buffer was allocated with malloc, free + this memory. */ + if ((stream->bufmode_ & JAS_STREAM_FREEBUF) && stream->bufbase_) { + jas_free(stream->bufbase_); + stream->bufbase_ = 0; + } + jas_free(stream); +} + +int jas_stream_close(jas_stream_t *stream) +{ + /* Flush buffer if necessary. */ + jas_stream_flush(stream); + + /* Close the underlying stream object. */ + (*stream->ops_->close_)(stream->obj_); + + jas_stream_destroy(stream); + + return 0; +} + +/******************************************************************************\ +* Code for reading and writing streams. +\******************************************************************************/ + +int jas_stream_getc_func(jas_stream_t *stream) +{ + assert(stream->ptr_ - stream->bufbase_ <= stream->bufsize_ + + JAS_STREAM_MAXPUTBACK); + return jas_stream_getc_macro(stream); +} + +int jas_stream_putc_func(jas_stream_t *stream, int c) +{ + assert(stream->ptr_ - stream->bufstart_ <= stream->bufsize_); + return jas_stream_putc_macro(stream, c); +} + +int jas_stream_ungetc(jas_stream_t *stream, int c) +{ + if (!stream->ptr_ || stream->ptr_ == stream->bufbase_) { + return -1; + } + + /* Reset the EOF indicator (since we now have at least one character + to read). */ + stream->flags_ &= ~JAS_STREAM_EOF; + + --stream->rwcnt_; + --stream->ptr_; + ++stream->cnt_; + *stream->ptr_ = c; + return 0; +} + +int jas_stream_read(jas_stream_t *stream, void *buf, int cnt) +{ + int n; + int c; + char *bufptr; + + bufptr = buf; + + n = 0; + while (n < cnt) { + if ((c = jas_stream_getc(stream)) == EOF) { + return n; + } + *bufptr++ = c; + ++n; + } + + return n; +} + +int jas_stream_write(jas_stream_t *stream, const void *buf, int cnt) +{ + int n; + const char *bufptr; + + bufptr = buf; + + n = 0; + while (n < cnt) { + if (jas_stream_putc(stream, *bufptr) == EOF) { + return n; + } + ++bufptr; + ++n; + } + + return n; +} + +/* Note: This function uses a fixed size buffer. Therefore, it cannot + handle invocations that will produce more output than can be held + by the buffer. */ +int jas_stream_printf(jas_stream_t *stream, const char *fmt, ...) +{ + va_list ap; + char buf[4096]; + int ret; + + va_start(ap, fmt); + ret = vsprintf(buf, fmt, ap); + jas_stream_puts(stream, buf); + va_end(ap); + return ret; +} + +int jas_stream_puts(jas_stream_t *stream, const char *s) +{ + while (*s != '\0') { + if (jas_stream_putc_macro(stream, *s) == EOF) { + return -1; + } + ++s; + } + return 0; +} + +char *jas_stream_gets(jas_stream_t *stream, char *buf, int bufsize) +{ + int c; + char *bufptr; + assert(bufsize > 0); + + bufptr = buf; + while (bufsize > 1) { + if ((c = jas_stream_getc(stream)) == EOF) { + break; + } + *bufptr++ = c; + --bufsize; + if (c == '\n') { + break; + } + } + *bufptr = '\0'; + return buf; +} + +int jas_stream_gobble(jas_stream_t *stream, int n) +{ + int m; + m = n; + for (m = n; m > 0; --m) { + if (jas_stream_getc(stream) == EOF) { + return n - m; + } + } + return n; +} + +int jas_stream_pad(jas_stream_t *stream, int n, int c) +{ + int m; + m = n; + for (m = n; m > 0; --m) { + if (jas_stream_putc(stream, c) == EOF) + return n - m; + } + return n; +} + +/******************************************************************************\ +* Code for getting and setting the stream position. +\******************************************************************************/ + +int jas_stream_isseekable(jas_stream_t *stream) +{ + if (stream->ops_ == &jas_stream_memops) { + return 1; + } else if (stream->ops_ == &jas_stream_fileops) { + if ((*stream->ops_->seek_)(stream->obj_, 0, SEEK_CUR) < 0) { + return 0; + } + return 1; + } else { + return 0; + } +} + +int jas_stream_rewind(jas_stream_t *stream) +{ + return jas_stream_seek(stream, 0, SEEK_SET); +} + +long jas_stream_seek(jas_stream_t *stream, long offset, int origin) +{ + long newpos; + + /* The buffer cannot be in use for both reading and writing. */ + assert(!((stream->bufmode_ & JAS_STREAM_RDBUF) && (stream->bufmode_ & + JAS_STREAM_WRBUF))); + + /* Reset the EOF indicator (since we may not be at the EOF anymore). */ + stream->flags_ &= ~JAS_STREAM_EOF; + + if (stream->bufmode_ & JAS_STREAM_RDBUF) { + if (origin == SEEK_CUR) { + offset -= stream->cnt_; + } + } else if (stream->bufmode_ & JAS_STREAM_WRBUF) { + if (jas_stream_flush(stream)) { + return -1; + } + } + stream->cnt_ = 0; + stream->ptr_ = stream->bufstart_; + stream->bufmode_ &= ~(JAS_STREAM_RDBUF | JAS_STREAM_WRBUF); + + if ((newpos = (*stream->ops_->seek_)(stream->obj_, offset, origin)) + < 0) { + return -1; + } + + return newpos; +} + +long jas_stream_tell(jas_stream_t *stream) +{ + int adjust; + int offset; + + if (stream->bufmode_ & JAS_STREAM_RDBUF) { + adjust = -stream->cnt_; + } else if (stream->bufmode_ & JAS_STREAM_WRBUF) { + adjust = stream->ptr_ - stream->bufstart_; + } else { + adjust = 0; + } + + if ((offset = (*stream->ops_->seek_)(stream->obj_, 0, SEEK_CUR)) < 0) { + return -1; + } + + return offset + adjust; +} + +/******************************************************************************\ +* Buffer initialization code. +\******************************************************************************/ + +void jas_stream_initbuf(jas_stream_t *stream, int bufmode, char *buf, /* IMLIB - removed static, so it can be used in jas_binfile.c */ + int bufsize) +{ + /* If this function is being called, the buffer should not have been + initialized yet. */ + assert(!stream->bufbase_); + + if (bufmode != JAS_STREAM_UNBUF) { + /* The full- or line-buffered mode is being employed. */ + if (!buf) { + /* The caller has not specified a buffer to employ, so allocate + one. */ + if ((stream->bufbase_ = jas_malloc(JAS_STREAM_BUFSIZE + + JAS_STREAM_MAXPUTBACK))) { + stream->bufmode_ |= JAS_STREAM_FREEBUF; + stream->bufsize_ = JAS_STREAM_BUFSIZE; + } else { + /* The buffer allocation has failed. Resort to unbuffered + operation. */ + stream->bufbase_ = stream->tinybuf_; + stream->bufsize_ = 1; + } + } else { + /* The caller has specified a buffer to employ. */ + /* The buffer must be large enough to accommodate maximum + putback. */ + assert(bufsize > JAS_STREAM_MAXPUTBACK); + stream->bufbase_ = JAS_CAST(uchar *, buf); + stream->bufsize_ = bufsize - JAS_STREAM_MAXPUTBACK; + } + } else { + /* The unbuffered mode is being employed. */ + /* A buffer should not have been supplied by the caller. */ + assert(!buf); + /* Use a trivial one-character buffer. */ + stream->bufbase_ = stream->tinybuf_; + stream->bufsize_ = 1; + } + stream->bufstart_ = &stream->bufbase_[JAS_STREAM_MAXPUTBACK]; + stream->ptr_ = stream->bufstart_; + stream->cnt_ = 0; + stream->bufmode_ |= bufmode & JAS_STREAM_BUFMODEMASK; +} + +/******************************************************************************\ +* Buffer filling and flushing code. +\******************************************************************************/ + +int jas_stream_flush(jas_stream_t *stream) +{ + if (stream->bufmode_ & JAS_STREAM_RDBUF) { + return 0; + } + return jas_stream_flushbuf(stream, EOF); +} + +int jas_stream_fillbuf(jas_stream_t *stream, int getflag) +{ + int c; + + /* The stream must not be in an error or EOF state. */ + if ((stream->flags_ & (JAS_STREAM_ERRMASK)) != 0) { + return EOF; + } + + /* The stream must be open for reading. */ + if ((stream->openmode_ & JAS_STREAM_READ) == 0) { + return EOF; + } + + /* Make a half-hearted attempt to confirm that the buffer is not + currently being used for writing. This check is not intended + to be foolproof! */ + assert((stream->bufmode_ & JAS_STREAM_WRBUF) == 0); + + assert(stream->ptr_ - stream->bufstart_ <= stream->bufsize_); + + /* Mark the buffer as being used for reading. */ + stream->bufmode_ |= JAS_STREAM_RDBUF; + + /* Read new data into the buffer. */ + stream->ptr_ = stream->bufstart_; + if ((stream->cnt_ = (*stream->ops_->read_)(stream->obj_, + (char *) stream->bufstart_, stream->bufsize_)) <= 0) { + if (stream->cnt_ < 0) { + stream->flags_ |= JAS_STREAM_ERR; + } else { + stream->flags_ |= JAS_STREAM_EOF; + } + stream->cnt_ = 0; + return EOF; + } + + assert(stream->cnt_ > 0); + /* Get or peek at the first character in the buffer. */ + c = (getflag) ? jas_stream_getc2(stream) : (*stream->ptr_); + + return c; +} + +int jas_stream_flushbuf(jas_stream_t *stream, int c) +{ + int len; + int n; + + /* The stream should not be in an error or EOF state. */ + if ((stream->flags_ & (JAS_STREAM_ERRMASK)) != 0) { + return EOF; + } + + /* The stream must be open for writing. */ + if ((stream->openmode_ & (JAS_STREAM_WRITE | JAS_STREAM_APPEND)) == 0) { + return EOF; + } + + /* The buffer should not currently be in use for reading. */ + assert(!(stream->bufmode_ & JAS_STREAM_RDBUF)); + + /* Note: Do not use the quantity stream->cnt to determine the number + of characters in the buffer! Depending on how this function was + called, the stream->cnt value may be "off-by-one". */ + len = stream->ptr_ - stream->bufstart_; + if (len > 0) { + n = (*stream->ops_->write_)(stream->obj_, (char *) + stream->bufstart_, len); + if (n != len) { + stream->flags_ |= JAS_STREAM_ERR; + return EOF; + } + } + stream->cnt_ = stream->bufsize_; + stream->ptr_ = stream->bufstart_; + + stream->bufmode_ |= JAS_STREAM_WRBUF; + + if (c != EOF) { + assert(stream->cnt_ > 0); + return jas_stream_putc2(stream, c); + } + + return 0; +} + +/******************************************************************************\ +* Miscellaneous code. +\******************************************************************************/ + +static int jas_strtoopenmode(const char *s) +{ + int openmode = 0; + while (*s != '\0') { + switch (*s) { + case 'r': + openmode |= JAS_STREAM_READ; + break; + case 'w': + openmode |= JAS_STREAM_WRITE | JAS_STREAM_CREATE; + break; + case 'b': + openmode |= JAS_STREAM_BINARY; + break; + case 'a': + openmode |= JAS_STREAM_APPEND; + break; + case '+': + openmode |= JAS_STREAM_READ | JAS_STREAM_WRITE; + break; + default: + break; + } + ++s; + } + return openmode; +} + +int jas_stream_copy(jas_stream_t *out, jas_stream_t *in, int n) +{ + int all; + int c; + int m; + + all = (n < 0) ? 1 : 0; + + m = n; + while (all || m > 0) { + if ((c = jas_stream_getc_macro(in)) == EOF) { + /* The next character of input could not be read. */ + /* Return with an error if an I/O error occured + (not including EOF) or if an explicit copy count + was specified. */ + return (!all || jas_stream_error(in)) ? (-1) : 0; + } + if (jas_stream_putc_macro(out, c) == EOF) { + return -1; + } + --m; + } + return 0; +} + +long jas_stream_setrwcount(jas_stream_t *stream, long rwcnt) +{ + int old; + + old = stream->rwcnt_; + stream->rwcnt_ = rwcnt; + return old; +} + +int jas_stream_display(jas_stream_t *stream, FILE *fp, int n) +{ + unsigned char buf[16]; + int i; + int j; + int m; + int c; + int display; + int cnt; + + cnt = n - (n % 16); + display = 1; + + for (i = 0; i < n; i += 16) { + if (n > 16 && i > 0) { + display = (i >= cnt) ? 1 : 0; + } + if (display) { + fprintf(fp, "%08x:", i); + } + m = JAS_MIN(n - i, 16); + for (j = 0; j < m; ++j) { + if ((c = jas_stream_getc(stream)) == EOF) { + abort(); + return -1; + } + buf[j] = c; + } + if (display) { + for (j = 0; j < m; ++j) { + fprintf(fp, " %02x", buf[j]); + } + fputc(' ', fp); + for (; j < 16; ++j) { + fprintf(fp, " "); + } + for (j = 0; j < m; ++j) { + if (isprint(buf[j])) { + fputc(buf[j], fp); + } else { + fputc(' ', fp); + } + } + fprintf(fp, "\n"); + } + + + } + return 0; +} + +long jas_stream_length(jas_stream_t *stream) +{ + long oldpos; + long pos; + if ((oldpos = jas_stream_tell(stream)) < 0) { + return -1; + } + if (jas_stream_seek(stream, 0, SEEK_END) < 0) { + return -1; + } + if ((pos = jas_stream_tell(stream)) < 0) { + return -1; + } + if (jas_stream_seek(stream, oldpos, SEEK_SET) < 0) { + return -1; + } + return pos; +} + +/******************************************************************************\ +* Memory stream object. +\******************************************************************************/ + +static int mem_read(jas_stream_obj_t *obj, char *buf, int cnt) +{ + int n; + jas_stream_memobj_t *m = (jas_stream_memobj_t *)obj; + n = m->len_ - m->pos_; + cnt = JAS_MIN(n, cnt); + memcpy(buf, &m->buf_[m->pos_], cnt); + m->pos_ += cnt; + return cnt; +} + +static int mem_resize(jas_stream_memobj_t *m, int bufsize) +{ + unsigned char *buf; + + assert(m->buf_); + if (!(buf = jas_realloc(m->buf_, bufsize * sizeof(unsigned char)))) { + return -1; + } + m->buf_ = buf; + m->bufsize_ = bufsize; + return 0; +} + +static int mem_write(jas_stream_obj_t *obj, char *buf, int cnt) +{ + int n; + int ret; + jas_stream_memobj_t *m = (jas_stream_memobj_t *)obj; + long newbufsize; + long newpos; + + newpos = m->pos_ + cnt; + if (newpos > m->bufsize_ && m->growable_) { + newbufsize = m->bufsize_; + while (newbufsize < newpos) { + newbufsize <<= 1; + assert(newbufsize >= 0); + } + if (mem_resize(m, newbufsize)) { + return -1; + } + } + if (m->pos_ > m->len_) { + /* The current position is beyond the end of the file, so + pad the file to the current position with zeros. */ + n = JAS_MIN(m->pos_, m->bufsize_) - m->len_; + if (n > 0) { + memset(&m->buf_[m->len_], 0, n); + m->len_ += n; + } + if (m->pos_ != m->len_) { + /* The buffer is not big enough. */ + return 0; + } + } + n = m->bufsize_ - m->pos_; + ret = JAS_MIN(n, cnt); + if (ret > 0) { + memcpy(&m->buf_[m->pos_], buf, ret); + m->pos_ += ret; + } + if (m->pos_ > m->len_) { + m->len_ = m->pos_; + } +assert(ret == cnt); + return ret; +} + +static long mem_seek(jas_stream_obj_t *obj, long offset, int origin) +{ + jas_stream_memobj_t *m = (jas_stream_memobj_t *)obj; + long newpos; + + switch (origin) { + case SEEK_SET: + newpos = offset; + break; + case SEEK_END: + newpos = m->len_ - offset; + break; + case SEEK_CUR: + newpos = m->pos_ + offset; + break; + default: + abort(); + break; + } + if (newpos < 0) { + return -1; + } + m->pos_ = newpos; + + return m->pos_; +} + +static int mem_close(jas_stream_obj_t *obj) +{ + jas_stream_memobj_t *m = (jas_stream_memobj_t *)obj; + if (m->myalloc_ && m->buf_) { + jas_free(m->buf_); + m->buf_ = 0; + } + jas_free(obj); + return 0; +} + +/******************************************************************************\ +* File stream object. +\******************************************************************************/ + +static int file_read(jas_stream_obj_t *obj, char *buf, int cnt) +{ + jas_stream_fileobj_t *fileobj = JAS_CAST(jas_stream_fileobj_t *, obj); + return read(fileobj->fd, buf, cnt); +} + +static int file_write(jas_stream_obj_t *obj, char *buf, int cnt) +{ + jas_stream_fileobj_t *fileobj = JAS_CAST(jas_stream_fileobj_t *, obj); + return write(fileobj->fd, buf, cnt); +} + +static long file_seek(jas_stream_obj_t *obj, long offset, int origin) +{ + jas_stream_fileobj_t *fileobj = JAS_CAST(jas_stream_fileobj_t *, obj); + return lseek(fileobj->fd, offset, origin); +} + +static int file_close(jas_stream_obj_t *obj) +{ + jas_stream_fileobj_t *fileobj = JAS_CAST(jas_stream_fileobj_t *, obj); + int ret; + ret = close(fileobj->fd); + if (fileobj->flags & JAS_STREAM_FILEOBJ_DELONCLOSE) { + unlink(fileobj->pathname); + } + jas_free(fileobj); + return ret; +} + +/******************************************************************************\ +* Stdio file stream object. +\******************************************************************************/ + +static int sfile_read(jas_stream_obj_t *obj, char *buf, int cnt) +{ + FILE *fp; + fp = JAS_CAST(FILE *, obj); + return fread(buf, 1, cnt, fp); +} + +static int sfile_write(jas_stream_obj_t *obj, char *buf, int cnt) +{ + FILE *fp; + fp = JAS_CAST(FILE *, obj); + return fwrite(buf, 1, cnt, fp); +} + +static long sfile_seek(jas_stream_obj_t *obj, long offset, int origin) +{ + FILE *fp; + fp = JAS_CAST(FILE *, obj); + return fseek(fp, offset, origin); +} + +static int sfile_close(jas_stream_obj_t *obj) +{ + FILE *fp; + fp = JAS_CAST(FILE *, obj); + return fclose(fp); +} diff --git a/src/libjasper/base/jas_string.c b/src/libjasper/base/jas_string.c new file mode 100644 index 0000000..787e703 --- /dev/null +++ b/src/libjasper/base/jas_string.c @@ -0,0 +1,96 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * String Library + * + * $Id: jas_string.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +/******************************************************************************\ +* Includes +\******************************************************************************/ + +#include <string.h> + +#include "jasper/jas_malloc.h" +#include "jasper/jas_string.h" + +/******************************************************************************\ +* Miscellaneous Functions +\******************************************************************************/ + +/* This function is equivalent to the popular but non-standard (and + not-always-available) strdup function. */ + +char *jas_strdup(const char *s) +{ + int n; + char *p; + n = strlen(s) + 1; + if (!(p = jas_malloc(n * sizeof(char)))) { + return 0; + } + strcpy(p, s); + return p; +} diff --git a/src/libjasper/base/jas_tmr.c b/src/libjasper/base/jas_tmr.c new file mode 100644 index 0000000..942a083 --- /dev/null +++ b/src/libjasper/base/jas_tmr.c @@ -0,0 +1,149 @@ +/* + * Copyright (c) 2004 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Timing Routines + * + * $Id: jas_tmr.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <time.h> + +#include "jasper/jas_tmr.h" + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +#if defined(HAVE_GETTIMEOFDAY) + +void jas_tmr_start(jas_tmr_t *tmr) +{ + if (gettimeofday(&tmr->start, 0)) { + abort(); + } +} + +void jas_tmr_stop(jas_tmr_t *tmr) +{ + if (gettimeofday(&tmr->stop, 0)) { + abort(); + } +} + +double jas_tmr_get(jas_tmr_t *tmr) +{ + double t0; + double t1; + t0 = ((double) tmr->start.tv_sec) + ((double) tmr->start.tv_usec) / 1e6; + t1 = ((double) tmr->stop.tv_sec) + ((double) tmr->stop.tv_usec) / 1e6; + return t1 - t0; +} + +#elif defined(HAVE_GETRUSAGE) + +void jas_tmr_start(jas_tmr_t *tmr) +{ + if (getrusage(RUSAGE_SELF, &tmr->start) < 0) { + abort(); + } +} + +void jas_tmr_stop(jas_tmr_t *tmr) +{ + if (getrusage(RUSAGE_SELF, &tmr->stop) < 0) { + abort(); + } +} + +double jas_tmr_get(jas_tmr_t *tmr) +{ + double t; + t = ((tmr->stop.ru_utime.tv_sec * 1e6 + tmr->stop.ru_utime.tv_usec) - + (tmr->start.ru_utime.tv_sec * 1e6 + tmr->start.ru_utime.tv_usec)) / 1e6; + t += ((tmr->stop.ru_stime.tv_sec * 1e6 + tmr->stop.ru_stime.tv_usec) - + (tmr->start.ru_stime.tv_sec * 1e6 + tmr->start.ru_stime.tv_usec)) / 1e6; + return t; +} + +#else + +void jas_tmr_start(jas_tmr_t *tmr) +{ +} + +void jas_tmr_stop(jas_tmr_t *tmr) +{ +} + +double jas_tmr_get(jas_tmr_t *tmr) +{ + return 0.0; +} + +#endif + diff --git a/src/libjasper/base/jas_tvp.c b/src/libjasper/base/jas_tvp.c new file mode 100644 index 0000000..4c23476 --- /dev/null +++ b/src/libjasper/base/jas_tvp.c @@ -0,0 +1,237 @@ +/* + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tag-Value Parser Library + * + * $Id: jas_tvp.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <assert.h> +#include <stdio.h> +#include <ctype.h> +#include <stdlib.h> + +#include "jasper/jas_malloc.h" +#include "jasper/jas_string.h" +#include "jasper/jas_tvp.h" + +/******************************************************************************\ +* Macros. +\******************************************************************************/ + +/* Is the specified character valid for a tag name? */ +#define JAS_TVP_ISTAG(x) \ + (isalpha(x) || (x) == '_' || isdigit(x)) + +/******************************************************************************\ +* Code for creating and destroying a tag-value parser. +\******************************************************************************/ + +jas_tvparser_t *jas_tvparser_create(const char *s) +{ + jas_tvparser_t *tvp; + if (!(tvp = jas_malloc(sizeof(jas_tvparser_t)))) { + return 0; + } + if (!(tvp->buf = jas_strdup(s))) { + jas_tvparser_destroy(tvp); + return 0; + } + tvp->pos = tvp->buf; + tvp->tag = 0; + tvp->val = 0; + return tvp; +} + +void jas_tvparser_destroy(jas_tvparser_t *tvp) +{ + if (tvp->buf) { + jas_free(tvp->buf); + } + jas_free(tvp); +} + +/******************************************************************************\ +* Main parsing code. +\******************************************************************************/ + +/* Get the next tag-value pair. */ +int jas_tvparser_next(jas_tvparser_t *tvp) +{ + char *p; + char *tag; + char *val; + + /* Skip any leading whitespace. */ + p = tvp->pos; + while (*p != '\0' && isspace(*p)) { + ++p; + } + + /* Has the end of the input data been reached? */ + if (*p == '\0') { + /* No more tags are present. */ + tvp->pos = p; + return 1; + } + + /* Does the tag name begin with a valid character? */ + if (!JAS_TVP_ISTAG(*p)) { + return -1; + } + + /* Remember where the tag name begins. */ + tag = p; + + /* Find the end of the tag name. */ + while (*p != '\0' && JAS_TVP_ISTAG(*p)) { + ++p; + } + + /* Has the end of the input data been reached? */ + if (*p == '\0') { + /* The value field is empty. */ + tvp->tag = tag; + tvp->val = ""; + tvp->pos = p; + return 0; + } + + /* Is a value field not present? */ + if (*p != '=') { + if (*p != '\0' && !isspace(*p)) { + return -1; + } + *p++ = '\0'; + tvp->tag = tag; + tvp->val = ""; + tvp->pos = p; + return 0; + } + + *p++ = '\0'; + + val = p; + while (*p != '\0' && !isspace(*p)) { + ++p; + } + + if (*p != '\0') { + *p++ = '\0'; + } + + tvp->pos = p; + tvp->tag = tag; + tvp->val = val; + + return 0; +} + +/******************************************************************************\ +* Code for querying the current tag/value. +\******************************************************************************/ + +/* Get the current tag. */ +char *jas_tvparser_gettag(jas_tvparser_t *tvp) +{ + return tvp->tag; +} + +/* Get the current value. */ +char *jas_tvparser_getval(jas_tvparser_t *tvp) +{ + return tvp->val; +} + +/******************************************************************************\ +* Miscellaneous code. +\******************************************************************************/ + +/* Lookup a tag by name. */ +jas_taginfo_t *jas_taginfos_lookup(jas_taginfo_t *taginfos, const char *name) +{ + jas_taginfo_t *taginfo; + taginfo = taginfos; + while (taginfo->id >= 0) { + if (!strcmp(taginfo->name, name)) { + return taginfo; + } + ++taginfo; + } + return 0; +} + +/* This function is simply for convenience. */ +/* One can avoid testing for the special case of a null pointer, by + using this function. This function never returns a null pointer. */ +jas_taginfo_t *jas_taginfo_nonull(jas_taginfo_t *taginfo) +{ + static jas_taginfo_t invalidtaginfo = { + -1, 0 + }; + + return taginfo ? taginfo : &invalidtaginfo; +} diff --git a/src/libjasper/base/jas_version.c b/src/libjasper/base/jas_version.c new file mode 100644 index 0000000..f56f253 --- /dev/null +++ b/src/libjasper/base/jas_version.c @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +#include "jasper/jas_version.h" + +const char *jas_getversion() +{ + return JAS_VERSION; +} diff --git a/src/libjasper/jasper/jas_cm.h b/src/libjasper/jasper/jas_cm.h new file mode 100644 index 0000000..f9ad8cc --- /dev/null +++ b/src/libjasper/jasper/jas_cm.h @@ -0,0 +1,266 @@ +/* + * Copyright (c) 2002-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Color Management + * + * $Id: jas_cm.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_CM_H +#define JAS_CM_H + +#include <jasper/jas_config.h> +#include <jasper/jas_icc.h> + +#ifdef __cplusplus +extern "C" { +#endif + +typedef int jas_clrspc_t; + +/* transform operations */ +#define JAS_CMXFORM_OP_FWD 0 +#define JAS_CMXFORM_OP_REV 1 +#define JAS_CMXFORM_OP_PROOF 2 +#define JAS_CMXFORM_OP_GAMUT 3 + +/* rendering intents */ +#define JAS_CMXFORM_INTENT_PER 0 +#define JAS_CMXFORM_INTENT_RELCLR 1 +#define JAS_CMXFORM_INTENT_ABSCLR 2 +#define JAS_CMXFORM_INTENT_SAT 3 +#define JAS_CMXFORM_NUMINTENTS 4 + +#define JAS_CMXFORM_OPTM_SPEED 0 +#define JAS_CMXFORM_OPTM_SIZE 1 +#define JAS_CMXFORM_OPTM_ACC 2 + + +#define jas_clrspc_create(fam, mbr) (((fam) << 8) | (mbr)) +#define jas_clrspc_fam(clrspc) ((clrspc) >> 8) +#define jas_clrspc_mbr(clrspc) ((clrspc) & 0xff) +#define jas_clrspc_isgeneric(clrspc) (!jas_clrspc_mbr(clrspc)) +#define jas_clrspc_isunknown(clrspc) ((clrspc) & JAS_CLRSPC_UNKNOWNMASK) + +#define JAS_CLRSPC_UNKNOWNMASK 0x4000 + +/* color space families */ +#define JAS_CLRSPC_FAM_UNKNOWN 0 +#define JAS_CLRSPC_FAM_XYZ 1 +#define JAS_CLRSPC_FAM_LAB 2 +#define JAS_CLRSPC_FAM_GRAY 3 +#define JAS_CLRSPC_FAM_RGB 4 +#define JAS_CLRSPC_FAM_YCBCR 5 + +/* specific color spaces */ +#define JAS_CLRSPC_UNKNOWN JAS_CLRSPC_UNKNOWNMASK +#define JAS_CLRSPC_CIEXYZ jas_clrspc_create(JAS_CLRSPC_FAM_XYZ, 1) +#define JAS_CLRSPC_CIELAB jas_clrspc_create(JAS_CLRSPC_FAM_LAB, 1) +#define JAS_CLRSPC_SGRAY jas_clrspc_create(JAS_CLRSPC_FAM_GRAY, 1) +#define JAS_CLRSPC_SRGB jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 1) +#define JAS_CLRSPC_SYCBCR jas_clrspc_create(JAS_CLRSPC_FAM_YCBCR, 1) + +/* generic color spaces */ +#define JAS_CLRSPC_GENRGB jas_clrspc_create(JAS_CLRSPC_FAM_RGB, 0) +#define JAS_CLRSPC_GENGRAY jas_clrspc_create(JAS_CLRSPC_FAM_GRAY, 0) +#define JAS_CLRSPC_GENYCBCR jas_clrspc_create(JAS_CLRSPC_FAM_YCBCR, 0) + +#define JAS_CLRSPC_CHANIND_YCBCR_Y 0 +#define JAS_CLRSPC_CHANIND_YCBCR_CB 1 +#define JAS_CLRSPC_CHANIND_YCBCR_CR 2 + +#define JAS_CLRSPC_CHANIND_RGB_R 0 +#define JAS_CLRSPC_CHANIND_RGB_G 1 +#define JAS_CLRSPC_CHANIND_RGB_B 2 + +#define JAS_CLRSPC_CHANIND_GRAY_Y 0 + +typedef double jas_cmreal_t; + +struct jas_cmpxform_s; + +typedef struct { + long *buf; + int prec; + int sgnd; + int width; + int height; +} jas_cmcmptfmt_t; + +typedef struct { + int numcmpts; + jas_cmcmptfmt_t *cmptfmts; +} jas_cmpixmap_t; + +typedef struct { + void (*destroy)(struct jas_cmpxform_s *pxform); + int (*apply)(struct jas_cmpxform_s *pxform, jas_cmreal_t *in, jas_cmreal_t *out, int cnt); + void (*dump)(struct jas_cmpxform_s *pxform); +} jas_cmpxformops_t; + +typedef struct { + jas_cmreal_t *data; + int size; +} jas_cmshapmatlut_t; + +typedef struct { + int mono; + int order; + int useluts; + int usemat; + jas_cmshapmatlut_t luts[3]; + jas_cmreal_t mat[3][4]; +} jas_cmshapmat_t; + +typedef struct { + int order; +} jas_cmshaplut_t; + +typedef struct { + int inclrspc; + int outclrspc; +} jas_cmclrspcconv_t; + +#define jas_align_t double + +typedef struct jas_cmpxform_s { + int refcnt; + jas_cmpxformops_t *ops; + int numinchans; + int numoutchans; + union { + jas_align_t dummy; + jas_cmshapmat_t shapmat; + jas_cmshaplut_t shaplut; + jas_cmclrspcconv_t clrspcconv; + } data; +} jas_cmpxform_t; + +typedef struct { + int numpxforms; + int maxpxforms; + jas_cmpxform_t **pxforms; +} jas_cmpxformseq_t; + +typedef struct { + int numinchans; + int numoutchans; + jas_cmpxformseq_t *pxformseq; +} jas_cmxform_t; + +#define JAS_CMPROF_TYPE_DEV 1 +#define JAS_CMPROF_TYPE_CLRSPC 2 + +#define JAS_CMPROF_NUMPXFORMSEQS 13 + +typedef struct { + int clrspc; + int numchans; + int refclrspc; + int numrefchans; + jas_iccprof_t *iccprof; + jas_cmpxformseq_t *pxformseqs[JAS_CMPROF_NUMPXFORMSEQS]; +} jas_cmprof_t; + +/* Create a profile. */ + +/* Destroy a profile. */ +void jas_cmprof_destroy(jas_cmprof_t *prof); + +#if 0 +typedef int_fast32_t jas_cmattrname_t; +typedef int_fast32_t jas_cmattrval_t; +typedef int_fast32_t jas_cmattrtype_t; +/* Load a profile. */ +int jas_cmprof_load(jas_cmprof_t *prof, jas_stream_t *in, int fmt); +/* Save a profile. */ +int jas_cmprof_save(jas_cmprof_t *prof, jas_stream_t *out, int fmt); +/* Set an attribute of a profile. */ +int jas_cm_prof_setattr(jas_cm_prof_t *prof, jas_cm_attrname_t name, void *val); +/* Get an attribute of a profile. */ +void *jas_cm_prof_getattr(jas_cm_prof_t *prof, jas_cm_attrname_t name); +#endif + +jas_cmxform_t *jas_cmxform_create(jas_cmprof_t *inprof, jas_cmprof_t *outprof, + jas_cmprof_t *proofprof, int op, int intent, int optimize); + +void jas_cmxform_destroy(jas_cmxform_t *xform); + +/* Apply a transform to data. */ +int jas_cmxform_apply(jas_cmxform_t *xform, jas_cmpixmap_t *in, + jas_cmpixmap_t *out); + +int jas_cxform_optimize(jas_cmxform_t *xform, int optimize); + +int jas_clrspc_numchans(int clrspc); +jas_cmprof_t *jas_cmprof_createfromiccprof(jas_iccprof_t *iccprof); +jas_cmprof_t *jas_cmprof_createfromclrspc(int clrspc); +jas_iccprof_t *jas_iccprof_createfromcmprof(jas_cmprof_t *prof); + +#define jas_cmprof_clrspc(prof) ((prof)->clrspc) +jas_cmprof_t *jas_cmprof_copy(jas_cmprof_t *prof); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_config.h b/src/libjasper/jasper/jas_config.h new file mode 100644 index 0000000..e58ed6d --- /dev/null +++ b/src/libjasper/jasper/jas_config.h @@ -0,0 +1,32 @@ +/* IMLIB - jas_config.h for IM */ + +/* Avoid problems due to multiple inclusion. */ +#ifndef JAS_CONFIG_H +#define JAS_CONFIG_H + +/* This preprocessor symbol identifies the version of JasPer. */ +#define JAS_VERSION "1.900.1" + +#define HAVE_FCNTL_H 1 +#define HAVE_LIMITS_H 1 +#define HAVE_STDLIB_H 1 +#define HAVE_STDDEF_H 1 +#define HAVE_STRING_H 1 +#define HAVE_MEMORY_H 1 +#define HAVE_SYS_TYPES_H 1 + +/* #define HAVE_UNISTD_H 1 (must control this in the makefile) */ + +/* #define JAS_CONFIGURE 0 to include some definitions in "jas_types.h" ifdef WIN32 */ + +#ifdef JAS_TYPES +typedef unsigned long ulong; +typedef unsigned char uchar; +#endif + +#if !defined(WIN32) /* These will be defined in "jas_types.h" ifdef WIN32 */ +#define longlong long long +#define ulonglong unsigned long long +#endif + +#endif diff --git a/src/libjasper/jasper/jas_debug.h b/src/libjasper/jasper/jas_debug.h new file mode 100644 index 0000000..32a7258 --- /dev/null +++ b/src/libjasper/jasper/jas_debug.h @@ -0,0 +1,114 @@ +/* + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Debugging-Related Code + * + * $Id: jas_debug.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_DEBUG_H +#define JAS_DEBUG_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> + +#include <jasper/jas_config.h> +#include "jasper/jas_types.h" +#include "jasper/jas_debug.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/******************************************************************************\ +* Macros and functions. +\******************************************************************************/ + +/* Output debugging information to standard error provided that the debug + level is set sufficiently high. */ +#if defined(DEBUG) +#define JAS_DBGLOG(n, x) \ + ((jas_getdbglevel() >= (n)) ? (jas_eprintf x) : 0) +#else +#define JAS_DBGLOG(n, x) +#endif + +/* Get the library debug level. */ +int jas_getdbglevel(void); + +/* Set the library debug level. */ +int jas_setdbglevel(int dbglevel); + +/* Perform formatted output to standard error. */ +int jas_eprintf(const char *fmt, ...); + +/* Dump memory to a stream. */ +int jas_memdump(FILE *out, void *data, size_t len); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_fix.h b/src/libjasper/jasper/jas_fix.h new file mode 100644 index 0000000..b700940 --- /dev/null +++ b/src/libjasper/jasper/jas_fix.h @@ -0,0 +1,358 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Fixed-Point Number Class + * + * $Id: jas_fix.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_FIX_H +#define JAS_FIX_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <math.h> + +#include <jasper/jas_config.h> +#include <jasper/jas_types.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* The representation of the value zero. */ +#define JAS_FIX_ZERO(fix_t, fracbits) \ + JAS_CAST(fix_t, 0) + +/* The representation of the value one. */ +#define JAS_FIX_ONE(fix_t, fracbits) \ + (JAS_CAST(fix_t, 1) << (fracbits)) + +/* The representation of the value one half. */ +#define JAS_FIX_HALF(fix_t, fracbits) \ + (JAS_CAST(fix_t, 1) << ((fracbits) - 1)) + +/******************************************************************************\ +* Conversion operations. +\******************************************************************************/ + +/* Convert an int to a fixed-point number. */ +#define JAS_INTTOFIX(fix_t, fracbits, x) \ + JAS_CAST(fix_t, (x) << (fracbits)) + +/* Convert a fixed-point number to an int. */ +#define JAS_FIXTOINT(fix_t, fracbits, x) \ + JAS_CAST(int, (x) >> (fracbits)) + +/* Convert a fixed-point number to a double. */ +#define JAS_FIXTODBL(fix_t, fracbits, x) \ + (JAS_CAST(double, x) / (JAS_CAST(fix_t, 1) << (fracbits))) + +/* Convert a double to a fixed-point number. */ +#define JAS_DBLTOFIX(fix_t, fracbits, x) \ + JAS_CAST(fix_t, ((x) * JAS_CAST(double, JAS_CAST(fix_t, 1) << (fracbits)))) + +/******************************************************************************\ +* Basic arithmetic operations. +* All other arithmetic operations are synthesized from these basic operations. +* There are three macros for each type of arithmetic operation. +* One macro always performs overflow/underflow checking, one never performs +* overflow/underflow checking, and one is generic with its behavior +* depending on compile-time flags. +* Only the generic macros should be invoked directly by application code. +\******************************************************************************/ + +/* Calculate the sum of two fixed-point numbers. */ +#if !defined(DEBUG_OVERFLOW) +#define JAS_FIX_ADD JAS_FIX_ADD_FAST +#else +#define JAS_FIX_ADD JAS_FIX_ADD_OFLOW +#endif + +/* Calculate the sum of two fixed-point numbers without overflow checking. */ +#define JAS_FIX_ADD_FAST(fix_t, fracbits, x, y) ((x) + (y)) + +/* Calculate the sum of two fixed-point numbers with overflow checking. */ +#define JAS_FIX_ADD_OFLOW(fix_t, fracbits, x, y) \ + ((x) >= 0) ? \ + (((y) >= 0) ? ((x) + (y) >= 0 || JAS_FIX_OFLOW(), (x) + (y)) : \ + ((x) + (y))) : \ + (((y) >= 0) ? ((x) + (y)) : ((x) + (y) < 0 || JAS_FIX_OFLOW(), \ + (x) + (y))) + +/* Calculate the product of two fixed-point numbers. */ +#if !defined(DEBUG_OVERFLOW) +#define JAS_FIX_MUL JAS_FIX_MUL_FAST +#else +#define JAS_FIX_MUL JAS_FIX_MUL_OFLOW +#endif + +/* Calculate the product of two fixed-point numbers without overflow + checking. */ +#define JAS_FIX_MUL_FAST(fix_t, fracbits, bigfix_t, x, y) \ + JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y)) >> \ + (fracbits)) + +/* Calculate the product of two fixed-point numbers with overflow + checking. */ +#define JAS_FIX_MUL_OFLOW(fix_t, fracbits, bigfix_t, x, y) \ + ((JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y) >> (fracbits)) == \ + JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y) >> \ + (fracbits))) ? \ + JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) * JAS_CAST(bigfix_t, y) >> \ + (fracbits))) : JAS_FIX_OFLOW()) + +/* Calculate the product of a fixed-point number and an int. */ +#if !defined(DEBUG_OVERFLOW) +#define JAS_FIX_MULBYINT JAS_FIX_MULBYINT_FAST +#else +#define JAS_FIX_MULBYINT JAS_FIX_MULBYINT_OFLOW +#endif + +/* Calculate the product of a fixed-point number and an int without overflow + checking. */ +#define JAS_FIX_MULBYINT_FAST(fix_t, fracbits, x, y) \ + JAS_CAST(fix_t, ((x) * (y))) + +/* Calculate the product of a fixed-point number and an int with overflow + checking. */ +#define JAS_FIX_MULBYINT_OFLOW(fix_t, fracbits, x, y) \ + JAS_FIX_MULBYINT_FAST(fix_t, fracbits, x, y) + +/* Calculate the quotient of two fixed-point numbers. */ +#if !defined(DEBUG_OVERFLOW) +#define JAS_FIX_DIV JAS_FIX_DIV_FAST +#else +#define JAS_FIX_DIV JAS_FIX_DIV_UFLOW +#endif + +/* Calculate the quotient of two fixed-point numbers without underflow + checking. */ +#define JAS_FIX_DIV_FAST(fix_t, fracbits, bigfix_t, x, y) \ + JAS_CAST(fix_t, (JAS_CAST(bigfix_t, x) << (fracbits)) / (y)) + +/* Calculate the quotient of two fixed-point numbers with underflow + checking. */ +#define JAS_FIX_DIV_UFLOW(fix_t, fracbits, bigfix_t, x, y) \ + JAS_FIX_DIV_FAST(fix_t, fracbits, bigfix_t, x, y) + +/* Negate a fixed-point number. */ +#if !defined(DEBUG_OVERFLOW) +#define JAS_FIX_NEG JAS_FIX_NEG_FAST +#else +#define JAS_FIX_NEG JAS_FIX_NEG_OFLOW +#endif + +/* Negate a fixed-point number without overflow checking. */ +#define JAS_FIX_NEG_FAST(fix_t, fracbits, x) \ + (-(x)) + +/* Negate a fixed-point number with overflow checking. */ +/* Yes, overflow is actually possible for two's complement representations, + although highly unlikely to occur. */ +#define JAS_FIX_NEG_OFLOW(fix_t, fracbits, x) \ + (((x) < 0) ? (-(x) > 0 || JAS_FIX_OFLOW(), -(x)) : (-(x))) + +/* Perform an arithmetic shift left of a fixed-point number. */ +#if !defined(DEBUG_OVERFLOW) +#define JAS_FIX_ASL JAS_FIX_ASL_FAST +#else +#define JAS_FIX_ASL JAS_FIX_ASL_OFLOW +#endif + +/* Perform an arithmetic shift left of a fixed-point number without overflow + checking. */ +#define JAS_FIX_ASL_FAST(fix_t, fracbits, x, n) \ + ((x) << (n)) + +/* Perform an arithmetic shift left of a fixed-point number with overflow + checking. */ +#define JAS_FIX_ASL_OFLOW(fix_t, fracbits, x, n) \ + ((((x) << (n)) >> (n)) == (x) || JAS_FIX_OFLOW(), (x) << (n)) + +/* Perform an arithmetic shift right of a fixed-point number. */ +#if !defined(DEBUG_OVERFLOW) +#define JAS_FIX_ASR JAS_FIX_ASR_FAST +#else +#define JAS_FIX_ASR JAS_FIX_ASR_UFLOW +#endif + +/* Perform an arithmetic shift right of a fixed-point number without underflow + checking. */ +#define JAS_FIX_ASR_FAST(fix_t, fracbits, x, n) \ + ((x) >> (n)) + +/* Perform an arithmetic shift right of a fixed-point number with underflow + checking. */ +#define JAS_FIX_ASR_UFLOW(fix_t, fracbits, x, n) \ + JAS_FIX_ASR_FAST(fix_t, fracbits, x, n) + +/******************************************************************************\ +* Other basic arithmetic operations. +\******************************************************************************/ + +/* Calculate the difference between two fixed-point numbers. */ +#define JAS_FIX_SUB(fix_t, fracbits, x, y) \ + JAS_FIX_ADD(fix_t, fracbits, x, JAS_FIX_NEG(fix_t, fracbits, y)) + +/* Add one fixed-point number to another. */ +#define JAS_FIX_PLUSEQ(fix_t, fracbits, x, y) \ + ((x) = JAS_FIX_ADD(fix_t, fracbits, x, y)) + +/* Subtract one fixed-point number from another. */ +#define JAS_FIX_MINUSEQ(fix_t, fracbits, x, y) \ + ((x) = JAS_FIX_SUB(fix_t, fracbits, x, y)) + +/* Multiply one fixed-point number by another. */ +#define JAS_FIX_MULEQ(fix_t, fracbits, bigfix_t, x, y) \ + ((x) = JAS_FIX_MUL(fix_t, fracbits, bigfix_t, x, y)) + +/******************************************************************************\ +* Miscellaneous operations. +\******************************************************************************/ + +/* Calculate the absolute value of a fixed-point number. */ +#define JAS_FIX_ABS(fix_t, fracbits, x) \ + (((x) >= 0) ? (x) : (JAS_FIX_NEG(fix_t, fracbits, x))) + +/* Is a fixed-point number an integer? */ +#define JAS_FIX_ISINT(fix_t, fracbits, x) \ + (JAS_FIX_FLOOR(fix_t, fracbits, x) == (x)) + +/* Get the sign of a fixed-point number. */ +#define JAS_FIX_SGN(fix_t, fracbits, x) \ + ((x) >= 0 ? 1 : (-1)) + +/******************************************************************************\ +* Relational operations. +\******************************************************************************/ + +/* Compare two fixed-point numbers. */ +#define JAS_FIX_CMP(fix_t, fracbits, x, y) \ + ((x) > (y) ? 1 : (((x) == (y)) ? 0 : (-1))) + +/* Less than. */ +#define JAS_FIX_LT(fix_t, fracbits, x, y) \ + ((x) < (y)) + +/* Less than or equal. */ +#define JAS_FIX_LTE(fix_t, fracbits, x, y) \ + ((x) <= (y)) + +/* Greater than. */ +#define JAS_FIX_GT(fix_t, fracbits, x, y) \ + ((x) > (y)) + +/* Greater than or equal. */ +#define JAS_FIX_GTE(fix_t, fracbits, x, y) \ + ((x) >= (y)) + +/******************************************************************************\ +* Rounding functions. +\******************************************************************************/ + +/* Round a fixed-point number to the nearest integer. */ +#define JAS_FIX_ROUND(fix_t, fracbits, x) \ + (((x) < 0) ? JAS_FIX_FLOOR(fix_t, fracbits, JAS_FIX_ADD(fix_t, fracbits, \ + (x), JAS_FIX_HALF(fix_t, fracbits))) : \ + JAS_FIX_NEG(fix_t, fracbits, JAS_FIX_FLOOR(fix_t, fracbits, \ + JAS_FIX_ADD(fix_t, fracbits, (-(x)), JAS_FIX_HALF(fix_t, fracbits))))) + +/* Round a fixed-point number to the nearest integer in the direction of + negative infinity (i.e., the floor function). */ +#define JAS_FIX_FLOOR(fix_t, fracbits, x) \ + ((x) & (~((JAS_CAST(fix_t, 1) << (fracbits)) - 1))) + +/* Round a fixed-point number to the nearest integer in the direction + of zero. */ +#define JAS_FIX_TRUNC(fix_t, fracbits, x) \ + (((x) >= 0) ? JAS_FIX_FLOOR(fix_t, fracbits, x) : \ + JAS_FIX_CEIL(fix_t, fracbits, x)) + +/******************************************************************************\ +* The below macros are for internal library use only. Do not invoke them +* directly in application code. +\******************************************************************************/ + +/* Handle overflow. */ +#define JAS_FIX_OFLOW() \ + jas_eprintf("overflow error: file %s, line %d\n", __FILE__, __LINE__) + +/* Handle underflow. */ +#define JAS_FIX_UFLOW() \ + jas_eprintf("underflow error: file %s, line %d\n", __FILE__, __LINE__) + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_getopt.h b/src/libjasper/jasper/jas_getopt.h new file mode 100644 index 0000000..dac4a55 --- /dev/null +++ b/src/libjasper/jasper/jas_getopt.h @@ -0,0 +1,131 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Command Line Option Parsing Code + * + * $Id: jas_getopt.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_GETOPT_H +#define JAS_GETOPT_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <jasper/jas_config.h> + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +#define JAS_GETOPT_EOF (-1) +#define JAS_GETOPT_ERR '?' + +/* option flags. */ +#define JAS_OPT_HASARG 0x01 /* option has argument */ + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* Command line option type. */ +typedef struct { + + int id; + /* The unique identifier for this option. */ + + char *name; + /* The name of this option. */ + + int flags; + /* option flags. */ + +} jas_opt_t; + +/******************************************************************************\ +* External data. +\******************************************************************************/ + +/* The current option index. */ +extern int jas_optind; + +/* The current option argument. */ +extern char *jas_optarg; + +/* The debug level. */ +extern int jas_opterr; + +/******************************************************************************\ +* Prototypes. +\******************************************************************************/ + +/* Get the next option. */ +int jas_getopt(int argc, char **argv, jas_opt_t *opts); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_icc.h b/src/libjasper/jasper/jas_icc.h new file mode 100644 index 0000000..616a572 --- /dev/null +++ b/src/libjasper/jasper/jas_icc.h @@ -0,0 +1,407 @@ +/* + * Copyright (c) 2002-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +#ifndef JAS_ICC_H +#define JAS_ICC_H + +#include <jasper/jas_config.h> +#include <jasper/jas_types.h> +#include <jasper/jas_stream.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* Profile file signature. */ +#define JAS_ICC_MAGIC 0x61637370 + +#define JAS_ICC_HDRLEN 128 + +/* Profile/device class signatures. */ +#define JAS_ICC_CLAS_IN 0x73636e72 /* input device */ +#define JAS_ICC_CLAS_DPY 0x6d6e7472 /* display device */ +#define JAS_ICC_CLAS_OUT 0x70727472 /* output device */ +#define JAS_ICC_CLAS_LNK 0x6c696e6b /* device link */ +#define JAS_ICC_CLAS_CNV 0x73706163 /* color space conversion */ +#define JAS_ICC_CLAS_ABS 0x61627374 /* abstract */ +#define JAS_ICC_CLAS_NAM 0x6e6d636c /* named color */ + +/* Color space signatures. */ +#define JAS_ICC_COLORSPC_XYZ 0x58595a20 /* XYZ */ +#define JAS_ICC_COLORSPC_LAB 0x4c616220 /* LAB */ +#define JAS_ICC_COLORSPC_LUV 0x4c757620 /* LUV */ +#define JAS_ICC_COLORSPC_YCBCR 0x59436272 /* YCbCr */ +#define JAS_ICC_COLORSPC_YXY 0x59787920 /* Yxy */ +#define JAS_ICC_COLORSPC_RGB 0x52474220 /* RGB */ +#define JAS_ICC_COLORSPC_GRAY 0x47524159 /* Gray */ +#define JAS_ICC_COLORSPC_HSV 0x48535620 /* HSV */ +#define JAS_ICC_COLORSPC_HLS 0x484c5320 /* HLS */ +#define JAS_ICC_COLORSPC_CMYK 0x434d594b /* CMYK */ +#define JAS_ICC_COLORSPC_CMY 0x434d5920 /* CMY */ +#define JAS_ICC_COLORSPC_2 0x32434c52 /* 2 channel color */ +#define JAS_ICC_COLORSPC_3 0x33434c52 /* 3 channel color */ +#define JAS_ICC_COLORSPC_4 0x34434c52 /* 4 channel color */ +#define JAS_ICC_COLORSPC_5 0x35434c52 /* 5 channel color */ +#define JAS_ICC_COLORSPC_6 0x36434c52 /* 6 channel color */ +#define JAS_ICC_COLORSPC_7 0x37434c52 /* 7 channel color */ +#define JAS_ICC_COLORSPC_8 0x38434c52 /* 8 channel color */ +#define JAS_ICC_COLORSPC_9 0x39434c52 /* 9 channel color */ +#define JAS_ICC_COLORSPC_10 0x41434c52 /* 10 channel color */ +#define JAS_ICC_COLORSPC_11 0x42434c52 /* 11 channel color */ +#define JAS_ICC_COLORSPC_12 0x43434c52 /* 12 channel color */ +#define JAS_ICC_COLORSPC_13 0x44434c52 /* 13 channel color */ +#define JAS_ICC_COLORSPC_14 0x45434c52 /* 14 channel color */ +#define JAS_ICC_COLORSPC_15 0x46434c52 /* 15 channel color */ + +/* Profile connection color space (PCS) signatures. */ +#define JAS_ICC_REFCOLORSPC_XYZ 0x58595a20 /* CIE XYZ */ +#define JAS_ICC_REFCOLORSPC_LAB 0x4c616220 /* CIE Lab */ + +/* Primary platform signatures. */ +#define JAS_ICC_PLATFORM_APPL 0x4150504c /* Apple Computer */ +#define JAS_ICC_PLATFORM_MSFT 0x4d534654 /* Microsoft */ +#define JAS_ICC_PLATFORM_SGI 0x53474920 /* Silicon Graphics */ +#define JAS_ICC_PLATFORM_SUNW 0x53554e57 /* Sun Microsystems */ +#define JAS_ICC_PLATFORM_TGNT 0x54474e54 /* Taligent */ + +/* Profile flags. */ +#define JAS_ICC_FLAGS_EMBED 0x01 /* embedded */ +#define JAS_ICC_FLAGS_NOSEP 0x02 /* no separate use */ + +/* Attributes. */ +#define JAS_ICC_ATTR_TRANS 0x01 /* transparent */ +#define JAS_ICC_ATTR_MATTE 0x02 /* matte */ + +/* Rendering intents. */ +#define JAS_ICC_INTENT_PER 0 /* perceptual */ +#define JAS_ICC_INTENT_REL 1 /* relative colorimetric */ +#define JAS_ICC_INTENT_SAT 2 /* saturation */ +#define JAS_ICC_INTENT_ABS 3 /* absolute colorimetric */ + +/* Tag signatures. */ +#define JAS_ICC_TAG_ATOB0 0x41324230 /* */ +#define JAS_ICC_TAG_ATOB1 0x41324231 /* */ +#define JAS_ICC_TAG_ATOB2 0x41324232 /* */ +#define JAS_ICC_TAG_BLUMATCOL 0x6258595a /* */ +#define JAS_ICC_TAG_BLUTRC 0x62545243 /* */ +#define JAS_ICC_TAG_BTOA0 0x42324130 /* */ +#define JAS_ICC_TAG_BTOA1 0x42324131 /* */ +#define JAS_ICC_TAG_BTOA2 0x42324132 /* */ +#define JAS_ICC_TAG_CALTIME 0x63616c74 /* */ +#define JAS_ICC_TAG_CHARTARGET 0x74617267 /* */ +#define JAS_ICC_TAG_CPYRT 0x63707274 /* */ +#define JAS_ICC_TAG_CRDINFO 0x63726469 /* */ +#define JAS_ICC_TAG_DEVMAKERDESC 0x646d6e64 /* */ +#define JAS_ICC_TAG_DEVMODELDESC 0x646d6464 /* */ +#define JAS_ICC_TAG_DEVSET 0x64657673 /* */ +#define JAS_ICC_TAG_GAMUT 0x67616d74 /* */ +#define JAS_ICC_TAG_GRYTRC 0x6b545243 /* */ +#define JAS_ICC_TAG_GRNMATCOL 0x6758595a /* */ +#define JAS_ICC_TAG_GRNTRC 0x67545243 /* */ +#define JAS_ICC_TAG_LUM 0x6c756d69 /* */ +#define JAS_ICC_TAG_MEASURE 0x6d656173 /* */ +#define JAS_ICC_TAG_MEDIABLKPT 0x626b7074 /* */ +#define JAS_ICC_TAG_MEDIAWHIPT 0x77747074 /* */ +#define JAS_ICC_TAG_NAMCOLR 0x6e636f6c /* */ +#define JAS_ICC_TAG_NAMCOLR2 0x6e636c32 /* */ +#define JAS_ICC_TAG_OUTRESP 0x72657370 /* */ +#define JAS_ICC_TAG_PREVIEW0 0x70726530 /* */ +#define JAS_ICC_TAG_PREVIEW1 0x70726531 /* */ +#define JAS_ICC_TAG_PREVIEW2 0x70726532 /* */ +#define JAS_ICC_TAG_PROFDESC 0x64657363 /* */ +#define JAS_ICC_TAG_PROFSEQDESC 0x70736571 /* */ +#define JAS_ICC_TAG_PSDCRD0 0x70736430 /* */ +#define JAS_ICC_TAG_PSCRDD1 0x70736431 /* */ +#define JAS_ICC_TAG_PSCRDD2 0x70736432 /* */ +#define JAS_ICC_TAG_PSCRDD3 0x70736433 /* */ +#define JAS_ICC_TAG_PS2CSA 0x70733273 /* */ +#define JAS_ICC_TAG_PS2RENINTENT 0x70733269 /* */ +#define JAS_ICC_TAG_REDMATCOL 0x7258595a /* */ +#define JAS_ICC_TAG_REDTRC 0x72545243 /* */ +#define JAS_ICC_TAG_SCRNGDES 0x73637264 /* */ +#define JAS_ICC_TAG_SCRNG 0x7363726e /* */ +#define JAS_ICC_TAG_TECH 0x74656368 /* */ +#define JAS_ICC_TAG_UCRBG 0x62666420 /* */ +#define JAS_ICC_TAG_VIEWCONDDESC 0x76756564 /* */ +#define JAS_ICC_TAG_VIEWCOND 0x76696577 /* */ + +/* Type signatures. */ +#define JAS_ICC_TYPE_CRDINFO 0x63726469 /* CRD information */ +#define JAS_ICC_TYPE_CURV 0x63757276 /* curve */ +#define JAS_ICC_TYPE_DATA 0x64617461 /* data */ +#define JAS_ICC_TYPE_TIME 0x6474696d /* date/time */ +#define JAS_ICC_TYPE_DEVSET 0x64657673 /* device settings */ +#define JAS_ICC_TYPE_LUT16 0x6d667432 /* */ +#define JAS_ICC_TYPE_LUT8 0x6d667431 /* */ +#define JAS_ICC_TYPE_MEASURE 0x6d656173 /* */ +#define JAS_ICC_TYPE_NAMCOLR 0x6e636f6c /* */ +#define JAS_ICC_TYPE_NAMCOLR2 0x6e636c32 /* */ +#define JAS_ICC_TYPE_PROFSEQDESC 0x70736571 /* profile sequence description */ +#define JAS_ICC_TYPE_RESPCURVSET16 0x72637332 /* response curve set 16 */ +#define JAS_ICC_TYPE_SF32 0x73663332 /* signed 32-bit fixed-point */ +#define JAS_ICC_TYPE_SCRNG 0x7363726e /* screening */ +#define JAS_ICC_TYPE_SIG 0x73696720 /* signature */ +#define JAS_ICC_TYPE_TXTDESC 0x64657363 /* text description */ +#define JAS_ICC_TYPE_TXT 0x74657874 /* text */ +#define JAS_ICC_TYPE_UF32 0x75663332 /* unsigned 32-bit fixed-point */ +#define JAS_ICC_TYPE_UCRBG 0x62666420 /* */ +#define JAS_ICC_TYPE_UI16 0x75693136 /* */ +#define JAS_ICC_TYPE_UI32 0x75693332 /* */ +#define JAS_ICC_TYPE_UI8 0x75693038 /* */ +#define JAS_ICC_TYPE_UI64 0x75693634 /* */ +#define JAS_ICC_TYPE_VIEWCOND 0x76696577 /* */ +#define JAS_ICC_TYPE_XYZ 0x58595a20 /* XYZ */ + +typedef uint_fast8_t jas_iccuint8_t; +typedef uint_fast16_t jas_iccuint16_t; +typedef uint_fast32_t jas_iccuint32_t; +typedef int_fast32_t jas_iccsint32_t; +typedef int_fast32_t jas_iccs15fixed16_t; +typedef uint_fast32_t jas_iccu16fixed16_t; +typedef uint_fast64_t jas_iccuint64_t; +typedef uint_fast32_t jas_iccsig_t; + +typedef jas_iccsig_t jas_icctagsig_t; +typedef jas_iccsig_t jas_icctagtype_t; +typedef jas_iccsig_t jas_iccattrname_t; + +/* Date/time type. */ +typedef struct { + jas_iccuint16_t year; + jas_iccuint16_t month; + jas_iccuint16_t day; + jas_iccuint16_t hour; + jas_iccuint16_t min; + jas_iccuint16_t sec; +} jas_icctime_t; + +/* XYZ type. */ +typedef struct { + jas_iccs15fixed16_t x; + jas_iccs15fixed16_t y; + jas_iccs15fixed16_t z; +} jas_iccxyz_t; + +/* Curve type. */ +typedef struct { + jas_iccuint32_t numents; + jas_iccuint16_t *ents; +} jas_icccurv_t; + +/* Text description type. */ +typedef struct { + jas_iccuint32_t asclen; + char *ascdata; /* ASCII invariant description */ + jas_iccuint32_t uclangcode; /* Unicode language code */ + jas_iccuint32_t uclen; /* Unicode localizable description count */ + uchar *ucdata; /* Unicode localizable description */ + jas_iccuint16_t sccode; /* ScriptCode code */ + jas_iccuint8_t maclen; /* Localizable Macintosh description count */ + uchar macdata[69]; /* Localizable Macintosh description */ +} jas_icctxtdesc_t; + +/* Text type. */ +typedef struct { + char *string; /* ASCII character string */ +} jas_icctxt_t; + +typedef struct { + jas_iccuint8_t numinchans; + jas_iccuint8_t numoutchans; + jas_iccsint32_t e[3][3]; + jas_iccuint8_t clutlen; + jas_iccuint8_t *clut; + jas_iccuint16_t numintabents; + jas_iccuint8_t **intabs; + jas_iccuint8_t *intabsbuf; + jas_iccuint16_t numouttabents; + jas_iccuint8_t **outtabs; + jas_iccuint8_t *outtabsbuf; +} jas_icclut8_t; + +typedef struct { + jas_iccuint8_t numinchans; + jas_iccuint8_t numoutchans; + jas_iccsint32_t e[3][3]; + jas_iccuint8_t clutlen; + jas_iccuint16_t *clut; + jas_iccuint16_t numintabents; + jas_iccuint16_t **intabs; + jas_iccuint16_t *intabsbuf; + jas_iccuint16_t numouttabents; + jas_iccuint16_t **outtabs; + jas_iccuint16_t *outtabsbuf; +} jas_icclut16_t; + +struct jas_iccattrval_s; + +typedef struct { + void (*destroy)(struct jas_iccattrval_s *); + int (*copy)(struct jas_iccattrval_s *, struct jas_iccattrval_s *); + int (*input)(struct jas_iccattrval_s *, jas_stream_t *, int); + int (*output)(struct jas_iccattrval_s *, jas_stream_t *); + int (*getsize)(struct jas_iccattrval_s *); + void (*dump)(struct jas_iccattrval_s *, FILE *); +} jas_iccattrvalops_t; + +/* Attribute value type (type and value information). */ +typedef struct jas_iccattrval_s { + int refcnt; /* reference count */ + jas_iccsig_t type; /* type */ + jas_iccattrvalops_t *ops; /* type-dependent operations */ + union { + jas_iccxyz_t xyz; + jas_icccurv_t curv; + jas_icctxtdesc_t txtdesc; + jas_icctxt_t txt; + jas_icclut8_t lut8; + jas_icclut16_t lut16; + } data; /* value */ +} jas_iccattrval_t; + +/* Header type. */ +typedef struct { + jas_iccuint32_t size; /* profile size */ + jas_iccsig_t cmmtype; /* CMM type signature */ + jas_iccuint32_t version; /* profile version */ + jas_iccsig_t clas; /* profile/device class signature */ + jas_iccsig_t colorspc; /* color space of data */ + jas_iccsig_t refcolorspc; /* profile connection space */ + jas_icctime_t ctime; /* creation time */ + jas_iccsig_t magic; /* profile file signature */ + jas_iccsig_t platform; /* primary platform */ + jas_iccuint32_t flags; /* profile flags */ + jas_iccsig_t maker; /* device manufacturer signature */ + jas_iccsig_t model; /* device model signature */ + jas_iccuint64_t attr; /* device setup attributes */ + jas_iccsig_t intent; /* rendering intent */ + jas_iccxyz_t illum; /* illuminant */ + jas_iccsig_t creator; /* profile creator signature */ +} jas_icchdr_t; + +typedef struct { + jas_iccsig_t name; + jas_iccattrval_t *val; +} jas_iccattr_t; + +typedef struct { + int numattrs; + int maxattrs; + jas_iccattr_t *attrs; +} jas_iccattrtab_t; + +typedef struct jas_icctagtabent_s { + jas_iccuint32_t tag; + jas_iccuint32_t off; + jas_iccuint32_t len; + void *data; + struct jas_icctagtabent_s *first; +} jas_icctagtabent_t; + +typedef struct { + jas_iccuint32_t numents; + jas_icctagtabent_t *ents; +} jas_icctagtab_t; + +/* ICC profile type. */ +typedef struct { + jas_icchdr_t hdr; + jas_icctagtab_t tagtab; + jas_iccattrtab_t *attrtab; +} jas_iccprof_t; + +typedef struct { + jas_iccuint32_t type; + jas_iccattrvalops_t ops; +} jas_iccattrvalinfo_t; + +jas_iccprof_t *jas_iccprof_load(jas_stream_t *in); +int jas_iccprof_save(jas_iccprof_t *prof, jas_stream_t *out); +void jas_iccprof_destroy(jas_iccprof_t *prof); +jas_iccattrval_t *jas_iccprof_getattr(jas_iccprof_t *prof, + jas_iccattrname_t name); +int jas_iccprof_setattr(jas_iccprof_t *prof, jas_iccattrname_t name, + jas_iccattrval_t *val); +void jas_iccprof_dump(jas_iccprof_t *prof, FILE *out); +jas_iccprof_t *jas_iccprof_copy(jas_iccprof_t *prof); +int jas_iccprof_gethdr(jas_iccprof_t *prof, jas_icchdr_t *hdr); +int jas_iccprof_sethdr(jas_iccprof_t *prof, jas_icchdr_t *hdr); + +void jas_iccattrval_destroy(jas_iccattrval_t *attrval); +void jas_iccattrval_dump(jas_iccattrval_t *attrval, FILE *out); +int jas_iccattrval_allowmodify(jas_iccattrval_t **attrval); +jas_iccattrval_t *jas_iccattrval_clone(jas_iccattrval_t *attrval); +jas_iccattrval_t *jas_iccattrval_create(jas_iccuint32_t type); + +void jas_iccattrtab_dump(jas_iccattrtab_t *attrtab, FILE *out); + +extern uchar jas_iccprofdata_srgb[]; +extern int jas_iccprofdata_srgblen; +extern uchar jas_iccprofdata_sgray[]; +extern int jas_iccprofdata_sgraylen; +jas_iccprof_t *jas_iccprof_createfrombuf(uchar *buf, int len); +jas_iccprof_t *jas_iccprof_createfromclrspc(int clrspc); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_image.h b/src/libjasper/jasper/jas_image.h new file mode 100644 index 0000000..ad6d80d --- /dev/null +++ b/src/libjasper/jasper/jas_image.h @@ -0,0 +1,617 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + + GeoJasper Revision: + 11/07/2003 15:00 - dima - auxBuffer added for j_image_t : dima <dima@dimin.net> + 2007-04-23 12:23 - dima - updated for a vector of metadata boxes + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Image Class + * + * $Id: jas_image.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_IMAGE_H +#define JAS_IMAGE_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <jasper/jas_config.h> +#include <jasper/jas_stream.h> +#include <jasper/jas_seq.h> +#include <jasper/jas_cm.h> +#include <stdio.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* + * Miscellaneous constants. + */ + +/* The threshold at which image data is no longer stored in memory. */ +#define JAS_IMAGE_INMEMTHRESH (16 * 1024 * 1024) + +/* + * Component types + */ + +#define JAS_IMAGE_CT_UNKNOWN 0x10000 +#define JAS_IMAGE_CT_COLOR(n) ((n) & 0x7fff) +#define JAS_IMAGE_CT_OPACITY 0x08000 + +#define JAS_IMAGE_CT_RGB_R 0 +#define JAS_IMAGE_CT_RGB_G 1 +#define JAS_IMAGE_CT_RGB_B 2 + +#define JAS_IMAGE_CT_YCBCR_Y 0 +#define JAS_IMAGE_CT_YCBCR_CB 1 +#define JAS_IMAGE_CT_YCBCR_CR 2 + +#define JAS_IMAGE_CT_GRAY_Y 0 + +/******************************************************************************\ +* Simple types. +\******************************************************************************/ + +/* Image coordinate. */ +typedef int_fast32_t jas_image_coord_t; + +/* Color space (e.g., RGB, YCbCr). */ +typedef int_fast16_t jas_image_colorspc_t; + +/* Component type (e.g., color, opacity). */ +typedef int_fast32_t jas_image_cmpttype_t; + +/* Component sample data format (e.g., real/integer, signedness, precision). */ +typedef int_fast16_t jas_image_smpltype_t; + +/******************************************************************************\ +* Image class and supporting classes. +\******************************************************************************/ + +/* Image component class. */ + +typedef struct { + + jas_image_coord_t tlx_; + /* The x-coordinate of the top-left corner of the component. */ + + jas_image_coord_t tly_; + /* The y-coordinate of the top-left corner of the component. */ + + jas_image_coord_t hstep_; + /* The horizontal sampling period in units of the reference grid. */ + + jas_image_coord_t vstep_; + /* The vertical sampling period in units of the reference grid. */ + + jas_image_coord_t width_; + /* The component width in samples. */ + + jas_image_coord_t height_; + /* The component height in samples. */ + +#ifdef FIX_ME + int smpltype_; +#else + int prec_; + /* The precision of the sample data (i.e., the number of bits per + sample). If the samples are signed values, this quantity + includes the sign bit. */ + + int sgnd_; + /* The signedness of the sample data. */ +#endif + + jas_stream_t *stream_; + /* The stream containing the component data. */ + + int cps_; + /* The number of characters per sample in the stream. */ + + jas_image_cmpttype_t type_; + /* The type of component (e.g., opacity, red, green, blue, luma). */ + +} jas_image_cmpt_t; + + +// GeoJasper: dima - begin - metadata boxes defs +// this field was added for aditional information about the image e.g. GeoTiff information +#define JAS_IMAGE_NUM_BOXES 2 +#define JAS_IMAGE_BOX_GEO 0 +#define JAS_IMAGE_BOX_XMP 1 + +typedef struct { + unsigned char id[16]; // magic number of the UUID box stored + unsigned int size; // size of the buffer + unsigned char *buf; // the buffer wirh the box contents +} jas_metadata_box_t; + +// here we use static array for metadata boxes for robustness, there are only two we eventually use anyways, +// in the future this can become dynamic, thus the count variable +typedef struct { + unsigned int count; // number of boxes, currently always 2 + jas_metadata_box_t boxes[JAS_IMAGE_NUM_BOXES]; // the vector with box buffers +} jas_metadata_boxes_t; + +jas_metadata_box_t jas_box_init( void ); +bool jas_box_alloc ( jas_metadata_box_t *box, unsigned long size ); +void jas_box_free ( jas_metadata_box_t *box ); +// GeoJasper: dima - end - metadata boxes defs + +// GeoJasper: dima - begin - progress functions +typedef void (*jas_progress_proc_t) (int done, int total, char *descr); +typedef int (*jas_test_abort_proc_t)( void ); + +void jas_set_progress_proc( jas_progress_proc_t new_proc ); +void jas_set_test_abort_proc( jas_test_abort_proc_t new_proc ); + +void jas_do_progress( int done, int total, char *descr ); +int jas_test_abort( ); +// GeoJasper: dima - end - progress functions + + +/* Image class. */ + +typedef struct { + + jas_image_coord_t tlx_; + /* The x-coordinate of the top-left corner of the image bounding box. */ + + jas_image_coord_t tly_; + /* The y-coordinate of the top-left corner of the image bounding box. */ + + jas_image_coord_t brx_; + /* The x-coordinate of the bottom-right corner of the image bounding + box (plus one). */ + + jas_image_coord_t bry_; + /* The y-coordinate of the bottom-right corner of the image bounding + box (plus one). */ + + int numcmpts_; + /* The number of components. */ + + int maxcmpts_; + /* The maximum number of components that this image can have (i.e., the + allocated size of the components array). */ + + jas_image_cmpt_t **cmpts_; + /* Per-component information. */ + + jas_clrspc_t clrspc_; + + jas_cmprof_t *cmprof_; + + bool inmem_; + + // GeoJasper: dima + // this field here added for aditional information about the image e.g. GeoTiff information + jas_metadata_boxes_t metadata; + // GeoJasper + +} jas_image_t; + +/* Component parameters class. */ +/* This data type exists solely/mainly for the purposes of the + jas_image_create function. */ + +typedef struct { + + jas_image_coord_t tlx; + /* The x-coordinate of the top-left corner of the component. */ + + jas_image_coord_t tly; + /* The y-coordinate of the top-left corner of the component. */ + + jas_image_coord_t hstep; + /* The horizontal sampling period in units of the reference grid. */ + + jas_image_coord_t vstep; + /* The vertical sampling period in units of the reference grid. */ + + jas_image_coord_t width; + /* The width of the component in samples. */ + + jas_image_coord_t height; + /* The height of the component in samples. */ + +#ifdef FIX_ME + int smpltype; +#else + int prec; + /* The precision of the component sample data. */ + + int sgnd; + /* The signedness of the component sample data. */ +#endif + +} jas_image_cmptparm_t; + +/******************************************************************************\ +* File format related classes. +\******************************************************************************/ + +#define JAS_IMAGE_MAXFMTS 32 +/* The maximum number of image data formats supported. */ + +/* Image format-dependent operations. */ + +typedef struct { + + jas_image_t *(*decode)(jas_stream_t *in, char *opts); + /* Decode image data from a stream. */ + + int (*encode)(jas_image_t *image, jas_stream_t *out, char *opts); + /* Encode image data to a stream. */ + + int (*validate)(jas_stream_t *in); + /* Determine if stream data is in a particular format. */ + +} jas_image_fmtops_t; + +/* Image format information. */ + +typedef struct { + + int id; + /* The ID for this format. */ + + char *name; + /* The name by which this format is identified. */ + + char *ext; + /* The file name extension associated with this format. */ + + char *desc; + /* A brief description of the format. */ + + jas_image_fmtops_t ops; + /* The operations for this format. */ + +} jas_image_fmtinfo_t; + +/******************************************************************************\ +* Image operations. +\******************************************************************************/ + +/* Create an image. */ +jas_image_t *jas_image_create(int numcmpts, + jas_image_cmptparm_t *cmptparms, jas_clrspc_t clrspc); + +/* Create an "empty" image. */ +jas_image_t *jas_image_create0(void); + +/* Clone an image. */ +jas_image_t *jas_image_copy(jas_image_t *image); + +/* Deallocate any resources associated with an image. */ +void jas_image_destroy(jas_image_t *image); + +/* Get the width of the image in units of the image reference grid. */ +#define jas_image_width(image) \ + ((image)->brx_ - (image)->tlx_) + +/* Get the height of the image in units of the image reference grid. */ +#define jas_image_height(image) \ + ((image)->bry_ - (image)->tly_) + +/* Get the x-coordinate of the top-left corner of the image bounding box + on the reference grid. */ +#define jas_image_tlx(image) \ + ((image)->tlx_) + +/* Get the y-coordinate of the top-left corner of the image bounding box + on the reference grid. */ +#define jas_image_tly(image) \ + ((image)->tly_) + +/* Get the x-coordinate of the bottom-right corner of the image bounding box + on the reference grid (plus one). */ +#define jas_image_brx(image) \ + ((image)->brx_) + +/* Get the y-coordinate of the bottom-right corner of the image bounding box + on the reference grid (plus one). */ +#define jas_image_bry(image) \ + ((image)->bry_) + +/* Get the number of image components. */ +#define jas_image_numcmpts(image) \ + ((image)->numcmpts_) + +/* Get the color model used by the image. */ +#define jas_image_clrspc(image) \ + ((image)->clrspc_) + +/* Set the color model for an image. */ +#define jas_image_setclrspc(image, clrspc) \ + ((image)->clrspc_ = (clrspc)) + +#define jas_image_cmpttype(image, cmptno) \ + ((image)->cmpts_[(cmptno)]->type_) +#define jas_image_setcmpttype(image, cmptno, type) \ + ((image)->cmpts_[(cmptno)]->type_ = (type)) + +/* Get the width of a component. */ +#define jas_image_cmptwidth(image, cmptno) \ + ((image)->cmpts_[cmptno]->width_) + +/* Get the height of a component. */ +#define jas_image_cmptheight(image, cmptno) \ + ((image)->cmpts_[cmptno]->height_) + +/* Get the signedness of the sample data for a component. */ +#define jas_image_cmptsgnd(image, cmptno) \ + ((image)->cmpts_[cmptno]->sgnd_) + +/* Get the precision of the sample data for a component. */ +#define jas_image_cmptprec(image, cmptno) \ + ((image)->cmpts_[cmptno]->prec_) + +/* Get the horizontal subsampling factor for a component. */ +#define jas_image_cmpthstep(image, cmptno) \ + ((image)->cmpts_[cmptno]->hstep_) + +/* Get the vertical subsampling factor for a component. */ +#define jas_image_cmptvstep(image, cmptno) \ + ((image)->cmpts_[cmptno]->vstep_) + +/* Get the x-coordinate of the top-left corner of a component. */ +#define jas_image_cmpttlx(image, cmptno) \ + ((image)->cmpts_[cmptno]->tlx_) + +/* Get the y-coordinate of the top-left corner of a component. */ +#define jas_image_cmpttly(image, cmptno) \ + ((image)->cmpts_[cmptno]->tly_) + +/* Get the x-coordinate of the bottom-right corner of a component + (plus "one"). */ +#define jas_image_cmptbrx(image, cmptno) \ + ((image)->cmpts_[cmptno]->tlx_ + (image)->cmpts_[cmptno]->width_ * \ + (image)->cmpts_[cmptno]->hstep_) + +/* Get the y-coordinate of the bottom-right corner of a component + (plus "one"). */ +#define jas_image_cmptbry(image, cmptno) \ + ((image)->cmpts_[cmptno]->tly_ + (image)->cmpts_[cmptno]->height_ * \ + (image)->cmpts_[cmptno]->vstep_) + +/* Get the raw size of an image (i.e., the nominal size of the image without + any compression. */ +uint_fast32_t jas_image_rawsize(jas_image_t *image); + +/* Create an image from a stream in some specified format. */ +jas_image_t *jas_image_decode(jas_stream_t *in, int fmt, char *optstr); + +/* Write an image to a stream in a specified format. */ +int jas_image_encode(jas_image_t *image, jas_stream_t *out, int fmt, + char *optstr); + +/* Read a rectangular region of an image component. */ +/* The position and size of the rectangular region to be read is specified +relative to the component's coordinate system. */ +int jas_image_readcmpt(jas_image_t *image, int cmptno, + jas_image_coord_t x, jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height, + jas_matrix_t *data); + +/* Write a rectangular region of an image component. */ +int jas_image_writecmpt(jas_image_t *image, int cmptno, + jas_image_coord_t x, jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height, + jas_matrix_t *data); + +/* Delete a component from an image. */ +void jas_image_delcmpt(jas_image_t *image, int cmptno); + +/* Add a component to an image. */ +int jas_image_addcmpt(jas_image_t *image, int cmptno, + jas_image_cmptparm_t *cmptparm); + +/* Copy a component from one image to another. */ +int jas_image_copycmpt(jas_image_t *dstimage, int dstcmptno, + jas_image_t *srcimage, int srccmptno); + +#define JAS_IMAGE_CDT_GETSGND(dtype) (((dtype) >> 7) & 1) +#define JAS_IMAGE_CDT_SETSGND(dtype) (((dtype) & 1) << 7) +#define JAS_IMAGE_CDT_GETPREC(dtype) ((dtype) & 0x7f) +#define JAS_IMAGE_CDT_SETPREC(dtype) ((dtype) & 0x7f) + +#define jas_image_cmptdtype(image, cmptno) \ + (JAS_IMAGE_CDT_SETSGND((image)->cmpts_[cmptno]->sgnd_) | JAS_IMAGE_CDT_SETPREC((image)->cmpts_[cmptno]->prec_)) + +int jas_image_depalettize(jas_image_t *image, int cmptno, int numlutents, + int_fast32_t *lutents, int dtype, int newcmptno); + +int jas_image_readcmptsample(jas_image_t *image, int cmptno, int x, int y); +void jas_image_writecmptsample(jas_image_t *image, int cmptno, int x, int y, + int_fast32_t v); + +int jas_image_getcmptbytype(jas_image_t *image, int ctype); + +/******************************************************************************\ +* Image format-related operations. +\******************************************************************************/ + +/* Clear the table of image formats. */ +void jas_image_clearfmts(void); + +/* Add entry to table of image formats. */ +int jas_image_addfmt(int id, char *name, char *ext, char *desc, + jas_image_fmtops_t *ops); + +/* Get the ID for the image format with the specified name. */ +int jas_image_strtofmt(char *s); + +/* Get the name of the image format with the specified ID. */ +char *jas_image_fmttostr(int fmt); + +/* Lookup image format information by the format ID. */ +jas_image_fmtinfo_t *jas_image_lookupfmtbyid(int id); + +/* Lookup image format information by the format name. */ +jas_image_fmtinfo_t *jas_image_lookupfmtbyname(const char *name); + +/* Guess the format of an image file based on its name. */ +int jas_image_fmtfromname(char *filename); + +/* Get the format of image data in a stream. */ +int jas_image_getfmt(jas_stream_t *in); + + +#define jas_image_cmprof(image) ((image)->cmprof_) +int jas_image_ishomosamp(jas_image_t *image); +int jas_image_sampcmpt(jas_image_t *image, int cmptno, int newcmptno, + jas_image_coord_t ho, jas_image_coord_t vo, jas_image_coord_t hs, + jas_image_coord_t vs, int sgnd, int prec); +int jas_image_writecmpt2(jas_image_t *image, int cmptno, jas_image_coord_t x, + jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height, + long *buf); +int jas_image_readcmpt2(jas_image_t *image, int cmptno, jas_image_coord_t x, + jas_image_coord_t y, jas_image_coord_t width, jas_image_coord_t height, + long *buf); + +#define jas_image_setcmprof(image, cmprof) ((image)->cmprof_ = cmprof) +jas_image_t *jas_image_chclrspc(jas_image_t *image, jas_cmprof_t *outprof, + int intent); +void jas_image_dump(jas_image_t *image, FILE *out); + +/******************************************************************************\ +* Image format-dependent operations. +\******************************************************************************/ + +#if !defined(EXCLUDE_JPG_SUPPORT) +/* Format-dependent operations for JPG support. */ +jas_image_t *jpg_decode(jas_stream_t *in, char *optstr); +int jpg_encode(jas_image_t *image, jas_stream_t *out, char *optstr); +int jpg_validate(jas_stream_t *in); +#endif + +#if !defined(EXCLUDE_MIF_SUPPORT) +/* Format-dependent operations for MIF support. */ +jas_image_t *mif_decode(jas_stream_t *in, char *optstr); +int mif_encode(jas_image_t *image, jas_stream_t *out, char *optstr); +int mif_validate(jas_stream_t *in); +#endif + +#if !defined(EXCLUDE_PNM_SUPPORT) +/* Format-dependent operations for PNM support. */ +jas_image_t *pnm_decode(jas_stream_t *in, char *optstr); +int pnm_encode(jas_image_t *image, jas_stream_t *out, char *optstr); +int pnm_validate(jas_stream_t *in); +#endif + +#if !defined(EXCLUDE_RAS_SUPPORT) +/* Format-dependent operations for Sun Rasterfile support. */ +jas_image_t *ras_decode(jas_stream_t *in, char *optstr); +int ras_encode(jas_image_t *image, jas_stream_t *out, char *optstr); +int ras_validate(jas_stream_t *in); +#endif + +#if !defined(EXCLUDE_BMP_SUPPORT) +/* Format-dependent operations for BMP support. */ +jas_image_t *bmp_decode(jas_stream_t *in, char *optstr); +int bmp_encode(jas_image_t *image, jas_stream_t *out, char *optstr); +int bmp_validate(jas_stream_t *in); +#endif + +#if !defined(EXCLUDE_JP2_SUPPORT) +/* Format-dependent operations for JP2 support. */ +jas_image_t *jp2_decode(jas_stream_t *in, char *optstr); +int jp2_encode(jas_image_t *image, jas_stream_t *out, char *optstr); +int jp2_validate(jas_stream_t *in); +#endif + +#if !defined(EXCLUDE_JPC_SUPPORT) +/* Format-dependent operations for JPEG-2000 code stream support. */ +jas_image_t *jpc_decode(jas_stream_t *in, char *optstr); +int jpc_encode(jas_image_t *image, jas_stream_t *out, char *optstr); +int jpc_validate(jas_stream_t *in); +#endif + +#if !defined(EXCLUDE_PGX_SUPPORT) +/* Format-dependent operations for PGX support. */ +jas_image_t *pgx_decode(jas_stream_t *in, char *optstr); +int pgx_encode(jas_image_t *image, jas_stream_t *out, char *optstr); +int pgx_validate(jas_stream_t *in); +#endif + +#if !defined(EXCLUDE_TIFF_SUPPORT) +/* Format-dependent operations for TIFF support. */ +jas_image_t *tiff_decode(jas_stream_t *in, char *optstr); +int tiff_encode(jas_image_t *image, jas_stream_t *out, char *optstr); +int tiff_validate(jas_stream_t *in); +#endif + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_init.h b/src/libjasper/jasper/jas_init.h new file mode 100644 index 0000000..10301e9 --- /dev/null +++ b/src/libjasper/jasper/jas_init.h @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +#ifndef JAS_INIT_H +#define JAS_INIT_H + +#include <jasper/jas_config.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +int jas_init(void); + +void jas_cleanup(void); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_malloc.h b/src/libjasper/jasper/jas_malloc.h new file mode 100644 index 0000000..e1449e4 --- /dev/null +++ b/src/libjasper/jasper/jas_malloc.h @@ -0,0 +1,124 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Memory Allocator + * + * $Id: jas_malloc.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_MALLOC_H +#define JAS_MALLOC_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <jasper/jas_config.h> + +#include <stdlib.h> +#include <stdio.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/******************************************************************************\ +* Hack follows... +\******************************************************************************/ + +#if defined(DEBUG_MEMALLOC) +/* This is somewhat of a hack, but it's a useful hack. :-) */ +/* Use my own custom memory allocator for debugging. */ +#include "../../../../local/src/memalloc.h" +#define jas_malloc MEMALLOC +#define jas_free MEMFREE +#define jas_realloc MEMREALLOC +#define jas_calloc MEMCALLOC +#endif + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +#if !defined(DEBUG_MEMALLOC) + +/* Allocate memory. */ +void *jas_malloc(size_t size); + +/* Free memory. */ +void jas_free(void *ptr); + +/* Resize a block of allocated memory. */ +void *jas_realloc(void *ptr, size_t size); + +/* Allocate a block of memory and initialize the contents to zero. */ +void *jas_calloc(size_t nmemb, size_t size); + +#endif + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_math.h b/src/libjasper/jasper/jas_math.h new file mode 100644 index 0000000..862d396 --- /dev/null +++ b/src/libjasper/jasper/jas_math.h @@ -0,0 +1,117 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Math-Related Code + * + * $Id: jas_math.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_MATH_H +#define JAS_MATH_H + +/******************************************************************************\ +* Includes +\******************************************************************************/ + +#include <jasper/jas_config.h> + +#include <assert.h> +#include <stdio.h> +#include <string.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/******************************************************************************\ +* Macros +\******************************************************************************/ + +/* Compute the absolute value. */ +#define JAS_ABS(x) \ + (((x) >= 0) ? (x) : (-(x))) + +/* Compute the minimum of two values. */ +#define JAS_MIN(x, y) \ + (((x) < (y)) ? (x) : (y)) + +/* Compute the maximum of two values. */ +#define JAS_MAX(x, y) \ + (((x) > (y)) ? (x) : (y)) + +/* Compute the remainder from division (where division is defined such + that the remainder is always nonnegative). */ +#define JAS_MOD(x, y) \ + (((x) < 0) ? (((-x) % (y)) ? ((y) - ((-(x)) % (y))) : (0)) : ((x) % (y))) + +/* Compute the integer with the specified number of least significant bits + set to one. */ +#define JAS_ONES(n) \ + ((1 << (n)) - 1) + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_seq.h b/src/libjasper/jasper/jas_seq.h new file mode 100644 index 0000000..fa075e3 --- /dev/null +++ b/src/libjasper/jasper/jas_seq.h @@ -0,0 +1,301 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Sequence/Matrix Library + * + * $Id: jas_seq.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_SEQ_H +#define JAS_SEQ_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <jasper/jas_config.h> + +#include <jasper/jas_stream.h> +#include <jasper/jas_types.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* This matrix is a reference to another matrix. */ +#define JAS_MATRIX_REF 0x0001 + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* An element in a sequence. */ +typedef int_fast32_t jas_seqent_t; + +/* An element in a matrix. */ +typedef int_fast32_t jas_matent_t; + +/* Matrix. */ + +typedef struct { + + /* Additional state information. */ + int flags_; + + /* The starting horizontal index. */ + int_fast32_t xstart_; + + /* The starting vertical index. */ + int_fast32_t ystart_; + + /* The ending horizontal index. */ + int_fast32_t xend_; + + /* The ending vertical index. */ + int_fast32_t yend_; + + /* The number of rows in the matrix. */ + int_fast32_t numrows_; + + /* The number of columns in the matrix. */ + int_fast32_t numcols_; + + /* Pointers to the start of each row. */ + jas_seqent_t **rows_; + + /* The allocated size of the rows array. */ + int_fast32_t maxrows_; + + /* The matrix data buffer. */ + jas_seqent_t *data_; + + /* The allocated size of the data array. */ + int_fast32_t datasize_; + +} jas_matrix_t; + +typedef jas_matrix_t jas_seq2d_t; +typedef jas_matrix_t jas_seq_t; + +/******************************************************************************\ +* Functions/macros for matrix class. +\******************************************************************************/ + +/* Get the number of rows. */ +#define jas_matrix_numrows(matrix) \ + ((matrix)->numrows_) + +/* Get the number of columns. */ +#define jas_matrix_numcols(matrix) \ + ((matrix)->numcols_) + +/* Get a matrix element. */ +#define jas_matrix_get(matrix, i, j) \ + ((matrix)->rows_[i][j]) + +/* Set a matrix element. */ +#define jas_matrix_set(matrix, i, j, v) \ + ((matrix)->rows_[i][j] = (v)) + +/* Get an element from a matrix that is known to be a row or column vector. */ +#define jas_matrix_getv(matrix, i) \ + (((matrix)->numrows_ == 1) ? ((matrix)->rows_[0][i]) : \ + ((matrix)->rows_[i][0])) + +/* Set an element in a matrix that is known to be a row or column vector. */ +#define jas_matrix_setv(matrix, i, v) \ + (((matrix)->numrows_ == 1) ? ((matrix)->rows_[0][i] = (v)) : \ + ((matrix)->rows_[i][0] = (v))) + +/* Get the address of an element in a matrix. */ +#define jas_matrix_getref(matrix, i, j) \ + (&(matrix)->rows_[i][j]) + +#define jas_matrix_getvref(matrix, i) \ + (((matrix)->numrows_ > 1) ? jas_matrix_getref(matrix, i, 0) : jas_matrix_getref(matrix, 0, i)) + +#define jas_matrix_length(matrix) \ + (max((matrix)->numrows_, (matrix)->numcols_)) + +/* Create a matrix with the specified dimensions. */ +jas_matrix_t *jas_matrix_create(int numrows, int numcols); + +/* Destroy a matrix. */ +void jas_matrix_destroy(jas_matrix_t *matrix); + +/* Resize a matrix. The previous contents of the matrix are lost. */ +int jas_matrix_resize(jas_matrix_t *matrix, int numrows, int numcols); + +int jas_matrix_output(jas_matrix_t *matrix, FILE *out); + +/* Create a matrix that references part of another matrix. */ +void jas_matrix_bindsub(jas_matrix_t *mat0, jas_matrix_t *mat1, int r0, int c0, + int r1, int c1); + +/* Create a matrix that is a reference to a row of another matrix. */ +#define jas_matrix_bindrow(mat0, mat1, r) \ + (jas_matrix_bindsub((mat0), (mat1), (r), 0, (r), (mat1)->numcols_ - 1)) + +/* Create a matrix that is a reference to a column of another matrix. */ +#define jas_matrix_bindcol(mat0, mat1, c) \ + (jas_matrix_bindsub((mat0), (mat1), 0, (c), (mat1)->numrows_ - 1, (c))) + +/* Clip the values of matrix elements to the specified range. */ +void jas_matrix_clip(jas_matrix_t *matrix, jas_seqent_t minval, + jas_seqent_t maxval); + +/* Arithmetic shift left of all elements in a matrix. */ +void jas_matrix_asl(jas_matrix_t *matrix, int n); + +/* Arithmetic shift right of all elements in a matrix. */ +void jas_matrix_asr(jas_matrix_t *matrix, int n); + +/* Almost-but-not-quite arithmetic shift right of all elements in a matrix. */ +void jas_matrix_divpow2(jas_matrix_t *matrix, int n); + +/* Set all elements of a matrix to the specified value. */ +void jas_matrix_setall(jas_matrix_t *matrix, jas_seqent_t val); + +/* The spacing between rows of a matrix. */ +#define jas_matrix_rowstep(matrix) \ + (((matrix)->numrows_ > 1) ? ((matrix)->rows_[1] - (matrix)->rows_[0]) : (0)) + +/* The spacing between columns of a matrix. */ +#define jas_matrix_step(matrix) \ + (((matrix)->numrows_ > 1) ? (jas_matrix_rowstep(matrix)) : (1)) + +/* Compare two matrices for equality. */ +int jas_matrix_cmp(jas_matrix_t *mat0, jas_matrix_t *mat1); + +jas_matrix_t *jas_matrix_copy(jas_matrix_t *x); + +jas_matrix_t *jas_matrix_input(FILE *); + +/******************************************************************************\ +* Functions/macros for 2-D sequence class. +\******************************************************************************/ + +jas_seq2d_t *jas_seq2d_copy(jas_seq2d_t *x); + +jas_matrix_t *jas_seq2d_create(int xstart, int ystart, int xend, int yend); + +#define jas_seq2d_destroy(s) \ + jas_matrix_destroy(s) + +#define jas_seq2d_xstart(s) \ + ((s)->xstart_) +#define jas_seq2d_ystart(s) \ + ((s)->ystart_) +#define jas_seq2d_xend(s) \ + ((s)->xend_) +#define jas_seq2d_yend(s) \ + ((s)->yend_) +#define jas_seq2d_getref(s, x, y) \ + (jas_matrix_getref(s, (y) - (s)->ystart_, (x) - (s)->xstart_)) +#define jas_seq2d_get(s, x, y) \ + (jas_matrix_get(s, (y) - (s)->ystart_, (x) - (s)->xstart_)) +#define jas_seq2d_rowstep(s) \ + jas_matrix_rowstep(s) +#define jas_seq2d_width(s) \ + ((s)->xend_ - (s)->xstart_) +#define jas_seq2d_height(s) \ + ((s)->yend_ - (s)->ystart_) +#define jas_seq2d_setshift(s, x, y) \ + ((s)->xstart_ = (x), (s)->ystart_ = (y), \ + (s)->xend_ = (s)->xstart_ + (s)->numcols_, \ + (s)->yend_ = (s)->ystart_ + (s)->numrows_) + +void jas_seq2d_bindsub(jas_matrix_t *s, jas_matrix_t *s1, int xstart, + int ystart, int xend, int yend); + +/******************************************************************************\ +* Functions/macros for 1-D sequence class. +\******************************************************************************/ + +#define jas_seq_create(start, end) \ + (jas_seq2d_create(start, 0, end, 1)) + +#define jas_seq_destroy(seq) \ + (jas_seq2d_destroy(seq)) + +#define jas_seq_set(seq, i, v) \ + ((seq)->rows_[0][(i) - (seq)->xstart_] = (v)) +#define jas_seq_getref(seq, i) \ + (&(seq)->rows_[0][(i) - (seq)->xstart_]) +#define jas_seq_get(seq, i) \ + ((seq)->rows_[0][(i) - (seq)->xstart_]) +#define jas_seq_start(seq) \ + ((seq)->xstart_) +#define jas_seq_end(seq) \ + ((seq)->xend_) + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_stream.h b/src/libjasper/jasper/jas_stream.h new file mode 100644 index 0000000..6207fde --- /dev/null +++ b/src/libjasper/jasper/jas_stream.h @@ -0,0 +1,466 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * I/O Stream Class + * + * $Id: jas_stream.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_STREAM_H +#define JAS_STREAM_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <jasper/jas_config.h> + +#include <stdio.h> +#if defined(HAVE_FCNTL_H) +#include <fcntl.h> +#endif +#include <string.h> +#if defined(HAVE_UNISTD_H) +#include <unistd.h> +#endif +#include <jasper/jas_types.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* On most UNIX systems, we probably need to define O_BINARY ourselves. */ +#ifndef O_BINARY +#define O_BINARY 0 +#endif + +/* + * Stream open flags. + */ + +/* The stream was opened for reading. */ +#define JAS_STREAM_READ 0x0001 +/* The stream was opened for writing. */ +#define JAS_STREAM_WRITE 0x0002 +/* The stream was opened for appending. */ +#define JAS_STREAM_APPEND 0x0004 +/* The stream was opened in binary mode. */ +#define JAS_STREAM_BINARY 0x0008 +/* The stream should be created/truncated. */ +#define JAS_STREAM_CREATE 0x0010 + + +/* + * Stream buffering flags. + */ + +/* The stream is unbuffered. */ +#define JAS_STREAM_UNBUF 0x0000 +/* The stream is line buffered. */ +#define JAS_STREAM_LINEBUF 0x0001 +/* The stream is fully buffered. */ +#define JAS_STREAM_FULLBUF 0x0002 +/* The buffering mode mask. */ +#define JAS_STREAM_BUFMODEMASK 0x000f + +/* The memory associated with the buffer needs to be deallocated when the + stream is destroyed. */ +#define JAS_STREAM_FREEBUF 0x0008 +/* The buffer is currently being used for reading. */ +#define JAS_STREAM_RDBUF 0x0010 +/* The buffer is currently being used for writing. */ +#define JAS_STREAM_WRBUF 0x0020 + +/* + * Stream error flags. + */ + +/* The end-of-file has been encountered (on reading). */ +#define JAS_STREAM_EOF 0x0001 +/* An I/O error has been encountered on the stream. */ +#define JAS_STREAM_ERR 0x0002 +/* The read/write limit has been exceeded. */ +#define JAS_STREAM_RWLIMIT 0x0004 +/* The error mask. */ +#define JAS_STREAM_ERRMASK \ + (JAS_STREAM_EOF | JAS_STREAM_ERR | JAS_STREAM_RWLIMIT) + +/* + * Other miscellaneous constants. + */ + +/* The default buffer size (for fully-buffered operation). */ +#define JAS_STREAM_BUFSIZE 8192 +/* The default permission mask for file creation. */ +#define JAS_STREAM_PERMS 0666 + +/* The maximum number of characters that can always be put back on a stream. */ +#define JAS_STREAM_MAXPUTBACK 16 + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* + * Generic file object. + */ + +typedef void jas_stream_obj_t; + +/* + * Generic file object operations. + */ + +typedef struct { + + /* Read characters from a file object. */ + int (*read_)(jas_stream_obj_t *obj, char *buf, int cnt); + + /* Write characters to a file object. */ + int (*write_)(jas_stream_obj_t *obj, char *buf, int cnt); + + /* Set the position for a file object. */ + long (*seek_)(jas_stream_obj_t *obj, long offset, int origin); + + /* Close a file object. */ + int (*close_)(jas_stream_obj_t *obj); + +} jas_stream_ops_t; + +/* + * Stream object. + */ + +typedef struct { + + /* The mode in which the stream was opened. */ + int openmode_; + + /* The buffering mode. */ + int bufmode_; + + /* The stream status. */ + int flags_; + + /* The start of the buffer area to use for reading/writing. */ + uchar *bufbase_; + + /* The start of the buffer area excluding the extra initial space for + character putback. */ + uchar *bufstart_; + + /* The buffer size. */ + int bufsize_; + + /* The current position in the buffer. */ + uchar *ptr_; + + /* The number of characters that must be read/written before + the buffer needs to be filled/flushed. */ + int cnt_; + + /* A trivial buffer to be used for unbuffered operation. */ + uchar tinybuf_[JAS_STREAM_MAXPUTBACK + 1]; + + /* The operations for the underlying stream file object. */ + jas_stream_ops_t *ops_; + + /* The underlying stream file object. */ + jas_stream_obj_t *obj_; + + /* The number of characters read/written. */ + long rwcnt_; + + /* The maximum number of characters that may be read/written. */ + long rwlimit_; + +} jas_stream_t; + +/* + * Regular file object. + */ + +/* + * File descriptor file object. + */ +#define DIM_MAX_FILE_NAME 2048 +typedef struct { + int fd; + int flags; + //char pathname[L_tmpnam + 1]; + char pathname[DIM_MAX_FILE_NAME]; // dima: GeoJasper uses this field to store full file name +} jas_stream_fileobj_t; + +#define JAS_STREAM_FILEOBJ_DELONCLOSE 0x01 +#define JAS_STREAM_FILEOBJ_NOCLOSE 0x02 + +/* + * Memory file object. + */ + +typedef struct { + + /* The data associated with this file. */ + uchar *buf_; + + /* The allocated size of the buffer for holding file data. */ + int bufsize_; + + /* The length of the file. */ + int_fast32_t len_; + + /* The seek position. */ + int_fast32_t pos_; + + /* Is the buffer growable? */ + int growable_; + + /* Was the buffer allocated internally? */ + int myalloc_; + +} jas_stream_memobj_t; + +/******************************************************************************\ +* Macros/functions for opening and closing streams. +\******************************************************************************/ + +/* Open a file as a stream. */ +jas_stream_t *jas_stream_fopen(const char *filename, const char *mode); + +/* Open a memory buffer as a stream. */ +jas_stream_t *jas_stream_memopen(char *buf, int bufsize); + +/* Open a file descriptor as a stream. */ +jas_stream_t *jas_stream_fdopen(int fd, const char *mode); + +/* Open a stdio stream as a stream. */ +jas_stream_t *jas_stream_freopen(const char *path, const char *mode, FILE *fp); + +/* Open a temporary file as a stream. */ +jas_stream_t *jas_stream_tmpfile(void); + +/* Close a stream. */ +int jas_stream_close(jas_stream_t *stream); + +/******************************************************************************\ +* Macros/functions for getting/setting the stream state. +\******************************************************************************/ + +/* Get the EOF indicator for a stream. */ +#define jas_stream_eof(stream) \ + (((stream)->flags_ & JAS_STREAM_EOF) != 0) + +/* Get the error indicator for a stream. */ +#define jas_stream_error(stream) \ + (((stream)->flags_ & JAS_STREAM_ERR) != 0) + +/* Clear the error indicator for a stream. */ +#define jas_stream_clearerr(stream) \ + ((stream)->flags_ &= ~(JAS_STREAM_ERR | JAS_STREAM_EOF)) + +/* Get the read/write limit for a stream. */ +#define jas_stream_getrwlimit(stream) \ + (((const jas_stream_t *)(stream))->rwlimit_) + +/* Set the read/write limit for a stream. */ +int jas_stream_setrwlimit(jas_stream_t *stream, long rwlimit); + +/* Get the read/write count for a stream. */ +#define jas_stream_getrwcount(stream) \ + (((const jas_stream_t *)(stream))->rwcnt_) + +/* Set the read/write count for a stream. */ +long jas_stream_setrwcount(jas_stream_t *stream, long rwcnt); + +/******************************************************************************\ +* Macros/functions for I/O. +\******************************************************************************/ + +/* Read a character from a stream. */ +#if defined(DEBUG) +#define jas_stream_getc(stream) jas_stream_getc_func(stream) +#else +#define jas_stream_getc(stream) jas_stream_getc_macro(stream) +#endif + +/* Write a character to a stream. */ +#if defined(DEBUG) +#define jas_stream_putc(stream, c) jas_stream_putc_func(stream, c) +#else +#define jas_stream_putc(stream, c) jas_stream_putc_macro(stream, c) +#endif + +/* Read characters from a stream into a buffer. */ +int jas_stream_read(jas_stream_t *stream, void *buf, int cnt); + +/* Write characters from a buffer to a stream. */ +int jas_stream_write(jas_stream_t *stream, const void *buf, int cnt); + +/* Write formatted output to a stream. */ +int jas_stream_printf(jas_stream_t *stream, const char *fmt, ...); + +/* Write a string to a stream. */ +int jas_stream_puts(jas_stream_t *stream, const char *s); + +/* Read a line of input from a stream. */ +char *jas_stream_gets(jas_stream_t *stream, char *buf, int bufsize); + +/* Look at the next character to be read from a stream without actually + removing it from the stream. */ +#define jas_stream_peekc(stream) \ + (((stream)->cnt_ <= 0) ? jas_stream_fillbuf(stream, 0) : \ + ((int)(*(stream)->ptr_))) + +/* Put a character back on a stream. */ +int jas_stream_ungetc(jas_stream_t *stream, int c); + +/******************************************************************************\ +* Macros/functions for getting/setting the stream position. +\******************************************************************************/ + +/* Is it possible to seek on this stream? */ +int jas_stream_isseekable(jas_stream_t *stream); + +/* Set the current position within the stream. */ +long jas_stream_seek(jas_stream_t *stream, long offset, int origin); + +/* Get the current position within the stream. */ +long jas_stream_tell(jas_stream_t *stream); + +/* Seek to the beginning of a stream. */ +int jas_stream_rewind(jas_stream_t *stream); + +/******************************************************************************\ +* Macros/functions for flushing. +\******************************************************************************/ + +/* Flush any pending output to a stream. */ +int jas_stream_flush(jas_stream_t *stream); + +/******************************************************************************\ +* Miscellaneous macros/functions. +\******************************************************************************/ + +/* Copy data from one stream to another. */ +int jas_stream_copy(jas_stream_t *dst, jas_stream_t *src, int n); + +/* Display stream contents (for debugging purposes). */ +int jas_stream_display(jas_stream_t *stream, FILE *fp, int n); + +/* Consume (i.e., discard) characters from stream. */ +int jas_stream_gobble(jas_stream_t *stream, int n); + +/* Write a character multiple times to a stream. */ +int jas_stream_pad(jas_stream_t *stream, int n, int c); + +/* Get the size of the file associated with the specified stream. + The specified stream must be seekable. */ +long jas_stream_length(jas_stream_t *stream); + +/******************************************************************************\ +* Internal functions. +\******************************************************************************/ + +/* The following functions are for internal use only! If you call them +directly, you will die a horrible, miserable, and painful death! */ + +/* Read a character from a stream. */ +#define jas_stream_getc_macro(stream) \ + ((!((stream)->flags_ & (JAS_STREAM_ERR | JAS_STREAM_EOF | \ + JAS_STREAM_RWLIMIT))) ? \ + (((stream)->rwlimit_ >= 0 && (stream)->rwcnt_ >= (stream)->rwlimit_) ? \ + (stream->flags_ |= JAS_STREAM_RWLIMIT, EOF) : \ + jas_stream_getc2(stream)) : EOF) +#define jas_stream_getc2(stream) \ + ((--(stream)->cnt_ < 0) ? jas_stream_fillbuf(stream, 1) : \ + (++(stream)->rwcnt_, (int)(*(stream)->ptr_++))) + +/* Write a character to a stream. */ +#define jas_stream_putc_macro(stream, c) \ + ((!((stream)->flags_ & (JAS_STREAM_ERR | JAS_STREAM_EOF | \ + JAS_STREAM_RWLIMIT))) ? \ + (((stream)->rwlimit_ >= 0 && (stream)->rwcnt_ >= (stream)->rwlimit_) ? \ + (stream->flags_ |= JAS_STREAM_RWLIMIT, EOF) : \ + jas_stream_putc2(stream, c)) : EOF) +#define jas_stream_putc2(stream, c) \ + (((stream)->bufmode_ |= JAS_STREAM_WRBUF, --(stream)->cnt_ < 0) ? \ + jas_stream_flushbuf((stream), (uchar)(c)) : \ + (++(stream)->rwcnt_, (int)(*(stream)->ptr_++ = (c)))) + +/* These prototypes need to be here for the sake of the stream_getc and +stream_putc macros. */ +int jas_stream_fillbuf(jas_stream_t *stream, int getflag); +int jas_stream_flushbuf(jas_stream_t *stream, int c); +int jas_stream_getc_func(jas_stream_t *stream); +int jas_stream_putc_func(jas_stream_t *stream, int c); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_string.h b/src/libjasper/jasper/jas_string.h new file mode 100644 index 0000000..366f8e0 --- /dev/null +++ b/src/libjasper/jasper/jas_string.h @@ -0,0 +1,95 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * String Library + * + * $Id: jas_string.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_STRING_H +#define JAS_STRING_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <jasper/jas_config.h> +#include <string.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +/* Copy a string (a la strdup). */ +char *jas_strdup(const char *); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_tmr.h b/src/libjasper/jasper/jas_tmr.h new file mode 100644 index 0000000..837f2bf --- /dev/null +++ b/src/libjasper/jasper/jas_tmr.h @@ -0,0 +1,103 @@ +/* + * Copyright (c) 2004 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +#ifndef JAS_TMR_H +#define JAS_TMR_H + +#include<time.h> +#include <jasper/jas_config.h> +#if defined(HAVE_SYS_TIME_H) +#include <sys/time.h> +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(HAVE_GETTIMEOFDAY) + +typedef struct { + struct timeval start; + struct timeval stop; +} jas_tmr_t; + +#elif defined(HAVE_GETRUSAGE) + +typedef struct { + struct rusage start; + struct rusage stop; +} jas_tmr_t; + +#else + +typedef int jas_tmr_t; + +#endif + +void jas_tmr_start(jas_tmr_t *tmr); +void jas_tmr_stop(jas_tmr_t *tmr); +double jas_tmr_get(jas_tmr_t *tmr); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_tvp.h b/src/libjasper/jasper/jas_tvp.h new file mode 100644 index 0000000..b70c4bd --- /dev/null +++ b/src/libjasper/jasper/jas_tvp.h @@ -0,0 +1,151 @@ +/* + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tag/Value Parser + * + * $Id: jas_tvp.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_TVP_H +#define JAS_TVP_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <jasper/jas_config.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* Tag information type. */ + +typedef struct { + + int id; + /* The ID for the tag. */ + + char *name; + /* The name of the tag. */ + +} jas_taginfo_t; + +/* Tag-value parser type. */ + +typedef struct { + + char *buf; + /* The parsing buffer. */ + + char *tag; + /* The current tag name. */ + + char *val; + /* The current value. */ + + char *pos; + /* The current position in the parsing buffer. */ + +} jas_tvparser_t; + +/******************************************************************************\ +* Tag information functions. +\******************************************************************************/ + +/* Lookup a tag by name. */ +jas_taginfo_t *jas_taginfos_lookup(jas_taginfo_t *taginfos, const char *name); + +/* This function returns a pointer to the specified taginfo object if it + exists (i.e., the pointer is nonnull); otherwise, a pointer to a dummy + object is returned. This is useful in some situations to avoid checking + for a null pointer. */ +jas_taginfo_t *jas_taginfo_nonull(jas_taginfo_t *taginfo); + +/******************************************************************************\ +* Tag-value parser functions. +\******************************************************************************/ + +/* Create a tag-value parser for the specified string. */ +jas_tvparser_t *jas_tvparser_create(const char *s); + +/* Destroy a tag-value parser. */ +void jas_tvparser_destroy(jas_tvparser_t *tvparser); + +/* Get the next tag-value pair. */ +int jas_tvparser_next(jas_tvparser_t *tvparser); + +/* Get the tag name for the current tag-value pair. */ +char *jas_tvparser_gettag(jas_tvparser_t *tvparser); + +/* Get the value for the current tag-value pair. */ +char *jas_tvparser_getval(jas_tvparser_t *tvparser); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_types.h b/src/libjasper/jasper/jas_types.h new file mode 100644 index 0000000..ccd6a26 --- /dev/null +++ b/src/libjasper/jasper/jas_types.h @@ -0,0 +1,228 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Primitive Types + * + * $Id: jas_types.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_TYPES_H +#define JAS_TYPES_H + +#include <jasper/jas_config.h> + +#if !defined(JAS_CONFIGURE) + +#if defined(WIN32) || defined(HAVE_WINDOWS_H) +/* + We are dealing with Microsoft Windows and most likely Microsoft + Visual C (MSVC). (Heaven help us.) Sadly, MSVC does not correctly + define some of the standard types specified in ISO/IEC 9899:1999. + In particular, it does not define the "long long" and "unsigned long + long" types. So, we work around this problem by using the "INT64" + and "UINT64" types that are defined in the header file "windows.h". + */ +#include <windows.h> +#undef longlong +#define longlong INT64 +#undef ulonglong +#define ulonglong UINT64 +#endif + +#endif + +#if defined(HAVE_STDLIB_H) +#undef false +#undef true +#include <stdlib.h> +#endif +#if defined(HAVE_STDDEF_H) +#include <stddef.h> +#endif +#if defined(HAVE_SYS_TYPES_H) +#include <sys/types.h> +#endif + +#ifndef __cplusplus +#if defined(HAVE_STDBOOL_H) +/* + * The C language implementation does correctly provide the standard header + * file "stdbool.h". + */ +#include <stdbool.h> +#else + +/* + * The C language implementation does not provide the standard header file + * "stdbool.h" as required by ISO/IEC 9899:1999. Try to compensate for this + * braindamage below. + */ +#if !defined(bool) +#define bool int +#endif +#if !defined(true) +#define true 1 +#endif +#if !defined(false) +#define false 0 +#endif +#endif + +#endif + +#if defined(HAVE_STDINT_H) +/* + * The C language implementation does correctly provide the standard header + * file "stdint.h". + */ +#include <stdint.h> +#else +/* + * The C language implementation does not provide the standard header file + * "stdint.h" as required by ISO/IEC 9899:1999. Try to compensate for this + * braindamage below. + */ +#include <limits.h> +/**********/ +#if !defined(INT_FAST8_MIN) +typedef signed char int_fast8_t; +#define INT_FAST8_MIN (-127) +#define INT_FAST8_MAX 128 +#endif +/**********/ +#if !defined(UINT_FAST8_MAX) +typedef unsigned char uint_fast8_t; +#define UINT_FAST8_MAX 255 +#endif +/**********/ +#if !defined(INT_FAST16_MIN) +typedef short int_fast16_t; +#define INT_FAST16_MIN SHRT_MIN +#define INT_FAST16_MAX SHRT_MAX +#endif +/**********/ +#if !defined(UINT_FAST16_MAX) +typedef unsigned short uint_fast16_t; +#define UINT_FAST16_MAX USHRT_MAX +#endif +/**********/ +#if !defined(INT_FAST32_MIN) +typedef int int_fast32_t; +#define INT_FAST32_MIN INT_MIN +#define INT_FAST32_MAX INT_MAX +#endif +/**********/ +#if !defined(UINT_FAST32_MAX) +typedef unsigned int uint_fast32_t; +#define UINT_FAST32_MAX UINT_MAX +#endif +/**********/ +#if !defined(INT_FAST64_MIN) +typedef longlong int_fast64_t; +#define INT_FAST64_MIN LLONG_MIN +#define INT_FAST64_MAX LLONG_MAX +#endif +/**********/ +#if !defined(UINT_FAST64_MAX) +typedef ulonglong uint_fast64_t; +#define UINT_FAST64_MAX ULLONG_MAX +#endif +/**********/ +#endif + +/* Hopefully, these macro definitions will fix more problems than they cause. */ +#if !defined(uchar) +#define uchar unsigned char +#endif +#if !defined(ushort) +#define ushort unsigned short +#endif +#if !defined(uint) +#define uint unsigned int +#endif +#if !defined(ulong) +#define ulong unsigned long +#endif +#if !defined(longlong) +#define longlong long long +#endif +#if !defined(ulonglong) +#define ulonglong unsigned long long +#endif + +/* The below macro is intended to be used for type casts. By using this + macro, type casts can be easily located in the source code with + tools like "grep". */ +#define JAS_CAST(t, e) \ + ((t) (e)) + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jas_version.h b/src/libjasper/jasper/jas_version.h new file mode 100644 index 0000000..2c7d5cf --- /dev/null +++ b/src/libjasper/jasper/jas_version.h @@ -0,0 +1,118 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * $Id: jas_version.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JAS_VERSION_H +#define JAS_VERSION_H + +#include <jasper/jas_config.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/******************************************************************************\ +* Constants and types. +\******************************************************************************/ + +#if !defined(JAS_VERSION) +/* The version information below should match that specified in + the "configure.in" file! */ +#define JAS_VERSION "unknown" +#endif + +#define GJAS_VERSION "1.4.0" + +#define JAS_COPYRIGHT \ + "GeoJasPer Copyright (c) 2003-2007 Dmitry Fedorov.\n" \ + "Copyright (c) 2001-2006 Michael David Adams.\n" \ + "Copyright (c) 1999-2000 Image Power, Inc. and the University of\n" \ + " British Columbia.\n" \ + "All rights reserved.\n" + +#define JAS_NOTES \ + "For more information about this software, please visit the following\n" \ + "web sites/pages:\n" \ + "\nGeoJasper - Geographical enhancements:\n" \ + " dimin@dimin.net <http://www.dimin.net>\n" \ + "\nJPEG-2000 implementation:\n" \ + " http://www.ece.uvic.ca/~mdadams/jasper\n" \ + " http://www.jpeg.org/software\n" + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +const char *jas_getversion(void); +/* Get the version information for the JasPer library. */ +/* Note: Since libjasper can be built as a shared library, the version + returned by this function may not necessarily correspond to JAS_VERSION. */ + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jasper/jasper.h b/src/libjasper/jasper/jasper.h new file mode 100644 index 0000000..eb74ba0 --- /dev/null +++ b/src/libjasper/jasper/jasper.h @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +#ifndef JAS_JASPER_H +#define JAS_JASPER_H + +#include <jasper/jas_config.h> +#include <jasper/jas_types.h> +#include <jasper/jas_version.h> + +#include <jasper/jas_init.h> +#include <jasper/jas_cm.h> +#include <jasper/jas_icc.h> +#include <jasper/jas_fix.h> +#include <jasper/jas_debug.h> +#include <jasper/jas_getopt.h> +#include <jasper/jas_image.h> +#include <jasper/jas_icc.h> +#include <jasper/jas_math.h> +#include <jasper/jas_malloc.h> +#include <jasper/jas_seq.h> +#include <jasper/jas_stream.h> +#include <jasper/jas_string.h> +#include <jasper/jas_tmr.h> +#include <jasper/jas_tvp.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/libjasper/jp2/jp2_cod.c b/src/libjasper/jp2/jp2_cod.c new file mode 100644 index 0000000..81b01ce --- /dev/null +++ b/src/libjasper/jp2/jp2_cod.c @@ -0,0 +1,980 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + + GeoJasper revision: Dima (11/07/2003 17:29 - UUID from j_image_t) + Modifications by Andrey Kiselev <dron@remotesensing.org> to handle UUID box properly. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * JP2 Library + * + * $Id: jp2_cod.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <assert.h> +#include <stdlib.h> + +#include "jasper/jas_stream.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_debug.h" + +#include "jp2_cod.h" + +/******************************************************************************\ +* Function prototypes. +\******************************************************************************/ + +#define ONES(n) ((1 << (n)) - 1) + +jp2_boxinfo_t *jp2_boxinfolookup(int type); + +static int jp2_getuint8(jas_stream_t *in, uint_fast8_t *val); +static int jp2_getuint16(jas_stream_t *in, uint_fast16_t *val); +static int jp2_getuint32(jas_stream_t *in, uint_fast32_t *val); +static int jp2_getuint64(jas_stream_t *in, uint_fast64_t *val); +static int jp2_putuint8(jas_stream_t *out, uint_fast8_t val); +static int jp2_putuint16(jas_stream_t *out, uint_fast16_t val); +static int jp2_putuint32(jas_stream_t *out, uint_fast32_t val); +static int jp2_putuint64(jas_stream_t *out, uint_fast64_t val); + +static int jp2_getint(jas_stream_t *in, int s, int n, int_fast32_t *val); + +jp2_box_t *jp2_box_get(jas_stream_t *in); +void jp2_box_dump(jp2_box_t *box, FILE *out); + +static int jp2_jp_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_jp_putdata(jp2_box_t *box, jas_stream_t *out); +static int jp2_ftyp_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_ftyp_putdata(jp2_box_t *box, jas_stream_t *out); +static int jp2_ihdr_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_ihdr_putdata(jp2_box_t *box, jas_stream_t *out); +static void jp2_bpcc_destroy(jp2_box_t *box); +static int jp2_bpcc_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_bpcc_putdata(jp2_box_t *box, jas_stream_t *out); +static int jp2_colr_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_colr_putdata(jp2_box_t *box, jas_stream_t *out); +static void jp2_colr_dumpdata(jp2_box_t *box, FILE *out); +static void jp2_colr_destroy(jp2_box_t *box); +static void jp2_cdef_destroy(jp2_box_t *box); +static int jp2_cdef_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_cdef_putdata(jp2_box_t *box, jas_stream_t *out); +static void jp2_cdef_dumpdata(jp2_box_t *box, FILE *out); +static void jp2_cmap_destroy(jp2_box_t *box); +static int jp2_cmap_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_cmap_putdata(jp2_box_t *box, jas_stream_t *out); +static void jp2_cmap_dumpdata(jp2_box_t *box, FILE *out); +static void jp2_pclr_destroy(jp2_box_t *box); +static int jp2_pclr_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_pclr_putdata(jp2_box_t *box, jas_stream_t *out); +static void jp2_pclr_dumpdata(jp2_box_t *box, FILE *out); +// GeoJasper: dima - uuid +static void jp2_uuid_destroy(jp2_box_t *box); +static int jp2_uuid_getdata(jp2_box_t *box, jas_stream_t *in); +static int jp2_uuid_putdata(jp2_box_t *box, jas_stream_t *out); + + +/******************************************************************************\ +* Local data. +\******************************************************************************/ + +jp2_boxinfo_t jp2_boxinfos[] = { + {JP2_BOX_JP, "JP", 0, + {0, 0, jp2_jp_getdata, jp2_jp_putdata, 0}}, + {JP2_BOX_FTYP, "FTYP", 0, + {0, 0, jp2_ftyp_getdata, jp2_ftyp_putdata, 0}}, + {JP2_BOX_JP2H, "JP2H", JP2_BOX_SUPER, + {0, 0, 0, 0, 0}}, + {JP2_BOX_IHDR, "IHDR", 0, + {0, 0, jp2_ihdr_getdata, jp2_ihdr_putdata, 0}}, + {JP2_BOX_BPCC, "BPCC", 0, + {0, jp2_bpcc_destroy, jp2_bpcc_getdata, jp2_bpcc_putdata, 0}}, + {JP2_BOX_COLR, "COLR", 0, + {0, jp2_colr_destroy, jp2_colr_getdata, jp2_colr_putdata, jp2_colr_dumpdata}}, + {JP2_BOX_PCLR, "PCLR", 0, + {0, jp2_pclr_destroy, jp2_pclr_getdata, jp2_pclr_putdata, jp2_pclr_dumpdata}}, + {JP2_BOX_CMAP, "CMAP", 0, + {0, jp2_cmap_destroy, jp2_cmap_getdata, jp2_cmap_putdata, jp2_cmap_dumpdata}}, + {JP2_BOX_CDEF, "CDEF", 0, + {0, jp2_cdef_destroy, jp2_cdef_getdata, jp2_cdef_putdata, jp2_cdef_dumpdata}}, + {JP2_BOX_RES, "RES", JP2_BOX_SUPER, + {0, 0, 0, 0, 0}}, + {JP2_BOX_RESC, "RESC", 0, + {0, 0, 0, 0, 0}}, + {JP2_BOX_RESD, "RESD", 0, + {0, 0, 0, 0, 0}}, + {JP2_BOX_JP2C, "JP2C", JP2_BOX_NODATA, + {0, 0, 0, 0, 0}}, + {JP2_BOX_JP2I, "JP2I", 0, + {0, 0, 0, 0, 0}}, + {JP2_BOX_XML, "XML", 0, + {0, 0, 0, 0, 0}}, + {JP2_BOX_UUID, "UUID", 0, + //{0, 0, 0, 0, 0}}, + {0, jp2_uuid_destroy, jp2_uuid_getdata, jp2_uuid_putdata, 0}}, // GeoJasper: dima - uuid + {JP2_BOX_UINF, "UINF", JP2_BOX_SUPER, + {0, 0, 0, 0, 0}}, + {JP2_BOX_ULST, "ULST", 0, + {0, 0, 0, 0, 0}}, + {JP2_BOX_URL, "URL", 0, + {0, 0, 0, 0, 0}}, + {0, 0, 0, {0, 0, 0, 0, 0}}, +}; + +jp2_boxinfo_t jp2_boxinfo_unk = { + 0, "Unknown", 0, {0, 0, 0, 0, 0} +}; + +/******************************************************************************\ +* Box constructor. +\******************************************************************************/ + +jp2_box_t *jp2_box_create(int type) +{ + jp2_box_t *box; + jp2_boxinfo_t *boxinfo; + + if (!(box = jas_malloc(sizeof(jp2_box_t)))) { + return 0; + } + memset(box, 0, sizeof(jp2_box_t)); + box->type = type; + box->len = 0; + if (!(boxinfo = jp2_boxinfolookup(type))) { + return 0; + } + box->info = boxinfo; + box->ops = &boxinfo->ops; + return box; +} + +/******************************************************************************\ +* Box destructor. +\******************************************************************************/ + +void jp2_box_destroy(jp2_box_t *box) +{ + if (box->ops->destroy) { + (*box->ops->destroy)(box); + } + jas_free(box); +} + +static void jp2_bpcc_destroy(jp2_box_t *box) +{ + jp2_bpcc_t *bpcc = &box->data.bpcc; + if (bpcc->bpcs) { + jas_free(bpcc->bpcs); + bpcc->bpcs = 0; + } +} + +static void jp2_cdef_destroy(jp2_box_t *box) +{ + jp2_cdef_t *cdef = &box->data.cdef; + if (cdef->ents) { + jas_free(cdef->ents); + cdef->ents = 0; + } +} + +/******************************************************************************\ +* Box input. +\******************************************************************************/ + +jp2_box_t *jp2_box_get(jas_stream_t *in) +{ + jp2_box_t *box; + jp2_boxinfo_t *boxinfo; + jas_stream_t *tmpstream; + uint_fast32_t len; + uint_fast64_t extlen; + bool dataflag; + + box = 0; + tmpstream = 0; + + if (!(box = jas_malloc(sizeof(jp2_box_t)))) { + goto error; + } + box->ops = &jp2_boxinfo_unk.ops; + if (jp2_getuint32(in, &len) || jp2_getuint32(in, &box->type)) { + goto error; + } + boxinfo = jp2_boxinfolookup(box->type); + box->info = boxinfo; + box->ops = &boxinfo->ops; + box->len = len; + if (box->len == 1) { + if (jp2_getuint64(in, &extlen)) { + goto error; + } + if (extlen > 0xffffffffUL) { + jas_eprintf("warning: cannot handle large 64-bit box length\n"); + extlen = 0xffffffffUL; + } + box->len = extlen; + box->datalen = extlen - JP2_BOX_HDRLEN(true); + } else { + box->datalen = box->len - JP2_BOX_HDRLEN(false); + } + if (box->len != 0 && box->len < 8) { + goto error; + } + + dataflag = !(box->info->flags & (JP2_BOX_SUPER | JP2_BOX_NODATA)); + + if (dataflag) { + if (!(tmpstream = jas_stream_memopen(0, 0))) { + goto error; + } + if (jas_stream_copy(tmpstream, in, box->datalen)) { + jas_eprintf("cannot copy box data\n"); + goto error; + } + jas_stream_rewind(tmpstream); + + if (box->ops->getdata) { + if ((*box->ops->getdata)(box, tmpstream)) { + jas_eprintf("cannot parse box data\n"); + goto error; + } + } + jas_stream_close(tmpstream); + } + + if (jas_getdbglevel() >= 1) { + jp2_box_dump(box, stderr); + } + + return box; + abort(); + +error: + if (box) { + jp2_box_destroy(box); + } + if (tmpstream) { + jas_stream_close(tmpstream); + } + return 0; +} + +void jp2_box_dump(jp2_box_t *box, FILE *out) +{ + jp2_boxinfo_t *boxinfo; + boxinfo = jp2_boxinfolookup(box->type); + assert(boxinfo); + + fprintf(out, "JP2 box: "); + fprintf(out, "type=%c%s%c (0x%08x); length=%d\n", '"', boxinfo->name, + '"', box->type, box->len); + if (box->ops->dumpdata) { + (*box->ops->dumpdata)(box, out); + } +} + +static int jp2_jp_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_jp_t *jp = &box->data.jp; + if (jp2_getuint32(in, &jp->magic)) { + return -1; + } + return 0; +} + +static int jp2_ftyp_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_ftyp_t *ftyp = &box->data.ftyp; + unsigned int i; + if (jp2_getuint32(in, &ftyp->majver) || jp2_getuint32(in, &ftyp->minver)) { + return -1; + } + ftyp->numcompatcodes = (box->datalen - 8) / 4; + if (ftyp->numcompatcodes > JP2_FTYP_MAXCOMPATCODES) { + return -1; + } + for (i = 0; i < ftyp->numcompatcodes; ++i) { + if (jp2_getuint32(in, &ftyp->compatcodes[i])) { + return -1; + } + } + return 0; +} + +static int jp2_ihdr_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_ihdr_t *ihdr = &box->data.ihdr; + if (jp2_getuint32(in, &ihdr->height) || jp2_getuint32(in, &ihdr->width) || + jp2_getuint16(in, &ihdr->numcmpts) || jp2_getuint8(in, &ihdr->bpc) || + jp2_getuint8(in, &ihdr->comptype) || jp2_getuint8(in, &ihdr->csunk) || + jp2_getuint8(in, &ihdr->ipr)) { + return -1; + } + return 0; +} + +static int jp2_bpcc_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_bpcc_t *bpcc = &box->data.bpcc; + unsigned int i; + bpcc->numcmpts = box->datalen; + if (!(bpcc->bpcs = jas_malloc(bpcc->numcmpts * sizeof(uint_fast8_t)))) { + return -1; + } + for (i = 0; i < bpcc->numcmpts; ++i) { + if (jp2_getuint8(in, &bpcc->bpcs[i])) { + return -1; + } + } + return 0; +} + +static void jp2_colr_dumpdata(jp2_box_t *box, FILE *out) +{ + jp2_colr_t *colr = &box->data.colr; + fprintf(out, "method=%d; pri=%d; approx=%d\n", (int)colr->method, (int)colr->pri, (int)colr->approx); + switch (colr->method) { + case JP2_COLR_ENUM: + fprintf(out, "csid=%d\n", (int)colr->csid); + break; + case JP2_COLR_ICC: + jas_memdump(out, colr->iccp, colr->iccplen); + break; + } +} + +static int jp2_colr_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_colr_t *colr = &box->data.colr; + colr->csid = 0; + colr->iccp = 0; + colr->iccplen = 0; + + if (jp2_getuint8(in, &colr->method) || jp2_getuint8(in, &colr->pri) || + jp2_getuint8(in, &colr->approx)) { + return -1; + } + switch (colr->method) { + case JP2_COLR_ENUM: + if (jp2_getuint32(in, &colr->csid)) { + return -1; + } + break; + case JP2_COLR_ICC: + colr->iccplen = box->datalen - 3; + if (!(colr->iccp = jas_malloc(colr->iccplen * sizeof(uint_fast8_t)))) { + return -1; + } + if (jas_stream_read(in, colr->iccp, colr->iccplen) != colr->iccplen) { + return -1; + } + break; + } + return 0; +} + +static void jp2_cdef_dumpdata(jp2_box_t *box, FILE *out) +{ + jp2_cdef_t *cdef = &box->data.cdef; + unsigned int i; + for (i = 0; i < cdef->numchans; ++i) { + fprintf(out, "channo=%d; type=%d; assoc=%d\n", + cdef->ents[i].channo, cdef->ents[i].type, cdef->ents[i].assoc); + } +} + +static void jp2_colr_destroy(jp2_box_t *box) +{ + jp2_colr_t *colr = &box->data.colr; + if (colr->iccp) { + jas_free(colr->iccp); + } +} + +static int jp2_cdef_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_cdef_t *cdef = &box->data.cdef; + jp2_cdefchan_t *chan; + unsigned int channo; + if (jp2_getuint16(in, &cdef->numchans)) { + return -1; + } + if (!(cdef->ents = jas_malloc(cdef->numchans * sizeof(jp2_cdefchan_t)))) { + return -1; + } + for (channo = 0; channo < cdef->numchans; ++channo) { + chan = &cdef->ents[channo]; + if (jp2_getuint16(in, &chan->channo) || jp2_getuint16(in, &chan->type) || + jp2_getuint16(in, &chan->assoc)) { + return -1; + } + } + return 0; +} + +/******************************************************************************\ +* Box output. +\******************************************************************************/ + +int jp2_box_put(jp2_box_t *box, jas_stream_t *out) +{ + jas_stream_t *tmpstream; + bool extlen; + bool dataflag; + + tmpstream = 0; + + dataflag = !(box->info->flags & (JP2_BOX_SUPER | JP2_BOX_NODATA)); + + if (dataflag) { + tmpstream = jas_stream_memopen(0, 0); + if (box->ops->putdata) { + if ((*box->ops->putdata)(box, tmpstream)) { + goto error; + } + } + box->len = jas_stream_tell(tmpstream) + JP2_BOX_HDRLEN(false); + jas_stream_rewind(tmpstream); + } + extlen = (box->len >= (((uint_fast64_t)1) << 32)) != 0; + if (jp2_putuint32(out, extlen ? 1 : box->len)) { + goto error; + } + if (jp2_putuint32(out, box->type)) { + goto error; + } + if (extlen) { + if (jp2_putuint64(out, box->len)) { + goto error; + } + } + + if (dataflag) { + if (jas_stream_copy(out, tmpstream, box->len - JP2_BOX_HDRLEN(false))) { + goto error; + } + jas_stream_close(tmpstream); + } + + return 0; + abort(); + +error: + + if (tmpstream) { + jas_stream_close(tmpstream); + } + return -1; +} + +static int jp2_jp_putdata(jp2_box_t *box, jas_stream_t *out) +{ + jp2_jp_t *jp = &box->data.jp; + if (jp2_putuint32(out, jp->magic)) { + return -1; + } + return 0; +} + +static int jp2_ftyp_putdata(jp2_box_t *box, jas_stream_t *out) +{ + jp2_ftyp_t *ftyp = &box->data.ftyp; + unsigned int i; + if (jp2_putuint32(out, ftyp->majver) || jp2_putuint32(out, ftyp->minver)) { + return -1; + } + for (i = 0; i < ftyp->numcompatcodes; ++i) { + if (jp2_putuint32(out, ftyp->compatcodes[i])) { + return -1; + } + } + return 0; +} + +static int jp2_ihdr_putdata(jp2_box_t *box, jas_stream_t *out) +{ + jp2_ihdr_t *ihdr = &box->data.ihdr; + if (jp2_putuint32(out, ihdr->height) || jp2_putuint32(out, ihdr->width) || + jp2_putuint16(out, ihdr->numcmpts) || jp2_putuint8(out, ihdr->bpc) || + jp2_putuint8(out, ihdr->comptype) || jp2_putuint8(out, ihdr->csunk) || + jp2_putuint8(out, ihdr->ipr)) { + return -1; + } + return 0; +} + +static int jp2_bpcc_putdata(jp2_box_t *box, jas_stream_t *out) +{ + jp2_bpcc_t *bpcc = &box->data.bpcc; + unsigned int i; + for (i = 0; i < bpcc->numcmpts; ++i) { + if (jp2_putuint8(out, bpcc->bpcs[i])) { + return -1; + } + } + return 0; +} + +static int jp2_colr_putdata(jp2_box_t *box, jas_stream_t *out) +{ + jp2_colr_t *colr = &box->data.colr; + if (jp2_putuint8(out, colr->method) || jp2_putuint8(out, colr->pri) || + jp2_putuint8(out, colr->approx)) { + return -1; + } + switch (colr->method) { + case JP2_COLR_ENUM: + if (jp2_putuint32(out, colr->csid)) { + return -1; + } + break; + case JP2_COLR_ICC: + if (jas_stream_write(out, colr->iccp, + JAS_CAST(int, colr->iccplen)) != JAS_CAST(int, colr->iccplen)) + return -1; + break; + } + return 0; +} + +static int jp2_cdef_putdata(jp2_box_t *box, jas_stream_t *out) +{ + jp2_cdef_t *cdef = &box->data.cdef; + unsigned int i; + jp2_cdefchan_t *ent; + + if (jp2_putuint16(out, cdef->numchans)) { + return -1; + } + + for (i = 0; i < cdef->numchans; ++i) { + ent = &cdef->ents[i]; + if (jp2_putuint16(out, ent->channo) || + jp2_putuint16(out, ent->type) || + jp2_putuint16(out, ent->assoc)) { + return -1; + } + } + return 0; +} + +/******************************************************************************\ +* Input operations for primitive types. +\******************************************************************************/ + +static int jp2_getuint8(jas_stream_t *in, uint_fast8_t *val) +{ + int c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + if (val) { + *val = c; + } + return 0; +} + +static int jp2_getuint16(jas_stream_t *in, uint_fast16_t *val) +{ + uint_fast16_t v; + int c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = (v << 8) | c; + if (val) { + *val = v; + } + return 0; +} + +static int jp2_getuint32(jas_stream_t *in, uint_fast32_t *val) +{ + uint_fast32_t v; + int c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = (v << 8) | c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = (v << 8) | c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = (v << 8) | c; + if (val) { + *val = v; + } + return 0; +} + +static int jp2_getuint64(jas_stream_t *in, uint_fast64_t *val) +{ + uint_fast64_t tmpval; + int i; + int c; + + tmpval = 0; + for (i = 0; i < 8; ++i) { + tmpval <<= 8; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + tmpval |= (c & 0xff); + } + *val = tmpval; + + return 0; +} + +/******************************************************************************\ +* Output operations for primitive types. +\******************************************************************************/ + +static int jp2_putuint8(jas_stream_t *out, uint_fast8_t val) +{ + if (jas_stream_putc(out, val & 0xff) == EOF) { + return -1; + } + return 0; +} + +static int jp2_putuint16(jas_stream_t *out, uint_fast16_t val) +{ + if (jas_stream_putc(out, (val >> 8) & 0xff) == EOF || + jas_stream_putc(out, val & 0xff) == EOF) { + return -1; + } + return 0; +} + +static int jp2_putuint32(jas_stream_t *out, uint_fast32_t val) +{ + if (jas_stream_putc(out, (val >> 24) & 0xff) == EOF || + jas_stream_putc(out, (val >> 16) & 0xff) == EOF || + jas_stream_putc(out, (val >> 8) & 0xff) == EOF || + jas_stream_putc(out, val & 0xff) == EOF) { + return -1; + } + return 0; +} + +static int jp2_putuint64(jas_stream_t *out, uint_fast64_t val) +{ + if (jp2_putuint32(out, (val >> 32) & 0xffffffffUL) || + jp2_putuint32(out, val & 0xffffffffUL)) { + return -1; + } + return 0; +} + +/******************************************************************************\ +* Miscellaneous code. +\******************************************************************************/ + +jp2_boxinfo_t *jp2_boxinfolookup(int type) +{ + jp2_boxinfo_t *boxinfo; + for (boxinfo = jp2_boxinfos; boxinfo->name; ++boxinfo) { + if (boxinfo->type == type) { + return boxinfo; + } + } + return &jp2_boxinfo_unk; +} + + + + + +static void jp2_cmap_destroy(jp2_box_t *box) +{ + jp2_cmap_t *cmap = &box->data.cmap; + if (cmap->ents) { + jas_free(cmap->ents); + } +} + +static int jp2_cmap_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_cmap_t *cmap = &box->data.cmap; + jp2_cmapent_t *ent; + unsigned int i; + + cmap->numchans = (box->datalen) / 4; + if (!(cmap->ents = jas_malloc(cmap->numchans * sizeof(jp2_cmapent_t)))) { + return -1; + } + for (i = 0; i < cmap->numchans; ++i) { + ent = &cmap->ents[i]; + if (jp2_getuint16(in, &ent->cmptno) || + jp2_getuint8(in, &ent->map) || + jp2_getuint8(in, &ent->pcol)) { + return -1; + } + } + + return 0; +} + +static int jp2_cmap_putdata(jp2_box_t *box, jas_stream_t *out) +{ + /* Eliminate compiler warning about unused variables. */ + box = 0; + out = 0; + + return -1; +} + +static void jp2_cmap_dumpdata(jp2_box_t *box, FILE *out) +{ + jp2_cmap_t *cmap = &box->data.cmap; + unsigned int i; + jp2_cmapent_t *ent; + fprintf(out, "numchans = %d\n", (int) cmap->numchans); + for (i = 0; i < cmap->numchans; ++i) { + ent = &cmap->ents[i]; + fprintf(out, "cmptno=%d; map=%d; pcol=%d\n", + (int) ent->cmptno, (int) ent->map, (int) ent->pcol); + } +} + +static void jp2_pclr_destroy(jp2_box_t *box) +{ + jp2_pclr_t *pclr = &box->data.pclr; + if (pclr->lutdata) { + jas_free(pclr->lutdata); + } + if (pclr->bpc) + jas_free(pclr->bpc); +} + +static int jp2_pclr_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_pclr_t *pclr = &box->data.pclr; + int lutsize; + unsigned int i; + unsigned int j; + int_fast32_t x; + + pclr->lutdata = 0; + + if (jp2_getuint16(in, &pclr->numlutents) || + jp2_getuint8(in, &pclr->numchans)) { + return -1; + } + lutsize = pclr->numlutents * pclr->numchans; + if (!(pclr->lutdata = jas_malloc(lutsize * sizeof(int_fast32_t)))) { + return -1; + } + if (!(pclr->bpc = jas_malloc(pclr->numchans * sizeof(uint_fast8_t)))) { + return -1; + } + for (i = 0; i < pclr->numchans; ++i) { + if (jp2_getuint8(in, &pclr->bpc[i])) { + return -1; + } + } + for (i = 0; i < pclr->numlutents; ++i) { + for (j = 0; j < pclr->numchans; ++j) { + if (jp2_getint(in, (pclr->bpc[j] & 0x80) != 0, + (pclr->bpc[j] & 0x7f) + 1, &x)) { + return -1; + } + pclr->lutdata[i * pclr->numchans + j] = x; + } + } + return 0; +} + +static int jp2_pclr_putdata(jp2_box_t *box, jas_stream_t *out) +{ +#if 0 + jp2_pclr_t *pclr = &box->data.pclr; +#endif +/* Eliminate warning about unused variable. */ +box = 0; +out = 0; + return -1; +} + +static void jp2_pclr_dumpdata(jp2_box_t *box, FILE *out) +{ + jp2_pclr_t *pclr = &box->data.pclr; + unsigned int i; + int j; + fprintf(out, "numents=%d; numchans=%d\n", (int) pclr->numlutents, + (int) pclr->numchans); + for (i = 0; i < pclr->numlutents; ++i) { + for (j = 0; j < pclr->numchans; ++j) { + fprintf(out, "LUT[%d][%d]=%d\n", i, j, pclr->lutdata[i * pclr->numchans + j]); + } + } +} + +static void jp2_uuid_destroy(jp2_box_t *box) +{ + jp2_uuid_t *uuid = &box->data.uuid; + if (uuid->data) + { + jas_free(uuid->data); + uuid->data = NULL; + } +} + +static int jp2_uuid_getdata(jp2_box_t *box, jas_stream_t *in) +{ + jp2_uuid_t *uuid = &box->data.uuid; + int i; + + for (i = 0; i < 16; i++) + { + if (jp2_getuint8(in, &uuid->uuid[i])) + return -1; + } + + uuid->data_len = box->datalen - 16; + uuid->data = jas_malloc(uuid->data_len * sizeof(uint_fast8_t)); + for (i = 0; i < uuid->data_len; i++) + { + if (jp2_getuint8(in, &uuid->data[i])) + return -1; + } + return 0; +} + +static int jp2_uuid_putdata(jp2_box_t *box, jas_stream_t *out) +{ + jp2_uuid_t *uuid = &box->data.uuid; + int i; + + for (i = 0; i < 16; i++) + { + if (jp2_putuint8(out, uuid->uuid[i])) + return -1; + } + + for (i = 0; i < uuid->data_len; i++) + { + if (jp2_putuint8(out, uuid->data[i])) + return -1; + } + return 0; +} + +static int jp2_getint(jas_stream_t *in, int s, int n, int_fast32_t *val) +{ + int c; + int i; + uint_fast32_t v; + int m; + + m = (n + 7) / 8; + + v = 0; + for (i = 0; i < m; ++i) { + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = (v << 8) | c; + } + v &= ONES(n); + if (s) { + int sb; + sb = v & (1 << (8 * m - 1)); + *val = ((~v) + 1) & ONES(8 * m); + if (sb) { + *val = -*val; + } + } else { + *val = v; + } + + return 0; +} + +jp2_cdefchan_t *jp2_cdef_lookup(jp2_cdef_t *cdef, int channo) +{ + unsigned int i; + jp2_cdefchan_t *cdefent; + for (i = 0; i < cdef->numchans; ++i) { + cdefent = &cdef->ents[i]; + if (cdefent->channo == JAS_CAST(unsigned int, channo)) { + return cdefent; + } + } + return 0; +} diff --git a/src/libjasper/jp2/jp2_cod.h b/src/libjasper/jp2/jp2_cod.h new file mode 100644 index 0000000..5bad06f --- /dev/null +++ b/src/libjasper/jp2/jp2_cod.h @@ -0,0 +1,328 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + + GeoJasper revision: Dima (11/07/2003 17:29 - UUID from j_image_t) + Modifications by Andrey Kiselev <dron@remotesensing.org> to handle UUID box properly. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * JP2 Library + * + * $Id: jp2_cod.h,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +#ifndef JP2_COD_H +#define JP2_COD_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_types.h" + +/******************************************************************************\ +* Macros. +\******************************************************************************/ + +#define JP2_SPTOBPC(s, p) \ + ((((p) - 1) & 0x7f) | (((s) & 1) << 7)) + +/******************************************************************************\ +* Box class. +\******************************************************************************/ + +#define JP2_BOX_HDRLEN(ext) ((ext) ? 16 : 8) + +/* Box types. */ +#define JP2_BOX_JP 0x6a502020 /* Signature */ +#define JP2_BOX_FTYP 0x66747970 /* File Type */ +#define JP2_BOX_JP2H 0x6a703268 /* JP2 Header */ +#define JP2_BOX_IHDR 0x69686472 /* Image Header */ +#define JP2_BOX_BPCC 0x62706363 /* Bits Per Component */ +#define JP2_BOX_COLR 0x636f6c72 /* Color Specification */ +#define JP2_BOX_PCLR 0x70636c72 /* Palette */ +#define JP2_BOX_CMAP 0x636d6170 /* Component Mapping */ +#define JP2_BOX_CDEF 0x63646566 /* Channel Definition */ +#define JP2_BOX_RES 0x72657320 /* Resolution */ +#define JP2_BOX_RESC 0x72657363 /* Capture Resolution */ +#define JP2_BOX_RESD 0x72657364 /* Default Display Resolution */ +#define JP2_BOX_JP2C 0x6a703263 /* Contiguous Code Stream */ +#define JP2_BOX_JP2I 0x6a703269 /* Intellectual Property */ +#define JP2_BOX_XML 0x786d6c20 /* XML */ +#define JP2_BOX_UUID 0x75756964 /* UUID */ +#define JP2_BOX_UINF 0x75696e66 /* UUID Info */ +#define JP2_BOX_ULST 0x75637374 /* UUID List */ +#define JP2_BOX_URL 0x75726c20 /* URL */ + +#define JP2_BOX_SUPER 0x01 +#define JP2_BOX_NODATA 0x02 + +/* JP box data. */ + +#define JP2_JP_MAGIC 0x0d0a870a +#define JP2_JP_LEN 12 + +// Magic sequence for GeoJP2 UUID box +static unsigned char msi_uuid[16] = + { 0xb1,0x4b,0xf8,0xbd, + 0x08,0x3d,0x4b,0x43, + 0xa5,0xae,0x8c,0xd7, + 0xd5,0xa6,0xce,0x03}; + +// Magic sequence for XMP UUID box +static unsigned char xmp_uuid[16] = + { 0xBE, 0x7A, 0xCF, 0xCB, + 0x97, 0xA9, 0x42, 0xE8, + 0x9C, 0x71, 0x99, 0x94, + 0x91, 0xE3, 0xAF, 0xAC }; + +typedef struct { + uint_fast32_t magic; +} jp2_jp_t; + +/* FTYP box data. */ + +#define JP2_FTYP_MAXCOMPATCODES 32 +#define JP2_FTYP_MAJVER 0x6a703220 +#define JP2_FTYP_MINVER 0 +#define JP2_FTYP_COMPATCODE JP2_FTYP_MAJVER + +typedef struct { + uint_fast32_t majver; + uint_fast32_t minver; + uint_fast32_t numcompatcodes; + uint_fast32_t compatcodes[JP2_FTYP_MAXCOMPATCODES]; +} jp2_ftyp_t; + +/* IHDR box data. */ + +#define JP2_IHDR_COMPTYPE 7 +#define JP2_IHDR_BPCNULL 255 + +typedef struct { + uint_fast32_t width; + uint_fast32_t height; + uint_fast16_t numcmpts; + uint_fast8_t bpc; + uint_fast8_t comptype; + uint_fast8_t csunk; + uint_fast8_t ipr; +} jp2_ihdr_t; + +/* BPCC box data. */ + +typedef struct { + uint_fast16_t numcmpts; + uint_fast8_t *bpcs; +} jp2_bpcc_t; + +/* COLR box data. */ + +#define JP2_COLR_ENUM 1 +#define JP2_COLR_ICC 2 +#define JP2_COLR_PRI 0 + +#define JP2_COLR_SRGB 16 +#define JP2_COLR_SGRAY 17 +#define JP2_COLR_SYCC 18 + +typedef struct { + uint_fast8_t method; + uint_fast8_t pri; + uint_fast8_t approx; + uint_fast32_t csid; + uint_fast8_t *iccp; + int iccplen; + /* XXX - Someday we ought to add ICC profile data here. */ +} jp2_colr_t; + +/* PCLR box data. */ + +typedef struct { + uint_fast16_t numlutents; + uint_fast8_t numchans; + int_fast32_t *lutdata; + uint_fast8_t *bpc; +} jp2_pclr_t; + +/* CDEF box per-channel data. */ + +#define JP2_CDEF_RGB_R 1 +#define JP2_CDEF_RGB_G 2 +#define JP2_CDEF_RGB_B 3 + +#define JP2_CDEF_YCBCR_Y 1 +#define JP2_CDEF_YCBCR_CB 2 +#define JP2_CDEF_YCBCR_CR 3 + +#define JP2_CDEF_GRAY_Y 1 + +#define JP2_CDEF_TYPE_COLOR 0 +#define JP2_CDEF_TYPE_OPACITY 1 +#define JP2_CDEF_TYPE_UNSPEC 65535 +#define JP2_CDEF_ASOC_ALL 0 +#define JP2_CDEF_ASOC_NONE 65535 + +typedef struct { + uint_fast16_t channo; + uint_fast16_t type; + uint_fast16_t assoc; +} jp2_cdefchan_t; + +/* CDEF box data. */ + +typedef struct { + uint_fast16_t numchans; + jp2_cdefchan_t *ents; +} jp2_cdef_t; + +typedef struct { + uint_fast16_t cmptno; + uint_fast8_t map; + uint_fast8_t pcol; +} jp2_cmapent_t; + +typedef struct { + uint_fast16_t numchans; + jp2_cmapent_t *ents; +} jp2_cmap_t; + +typedef struct { + uint_fast32_t data_len; + uint_fast8_t uuid[16]; + uint_fast8_t *data; +} jp2_uuid_t; + +#define JP2_CMAP_DIRECT 0 +#define JP2_CMAP_PALETTE 1 + +/* Generic box. */ + +struct jp2_boxops_s; +typedef struct { + + struct jp2_boxops_s *ops; + struct jp2_boxinfo_s *info; + + uint_fast32_t type; + + /* The length of the box including the (variable-length) header. */ + uint_fast32_t len; + + /* The length of the box data. */ + uint_fast32_t datalen; + + union { + jp2_jp_t jp; + jp2_ftyp_t ftyp; + jp2_ihdr_t ihdr; + jp2_bpcc_t bpcc; + jp2_colr_t colr; + jp2_pclr_t pclr; + jp2_cdef_t cdef; + jp2_cmap_t cmap; + jp2_uuid_t uuid; + } data; + +} jp2_box_t; + +typedef struct jp2_boxops_s { + void (*init)(jp2_box_t *box); + void (*destroy)(jp2_box_t *box); + int (*getdata)(jp2_box_t *box, jas_stream_t *in); + int (*putdata)(jp2_box_t *box, jas_stream_t *out); + void (*dumpdata)(jp2_box_t *box, FILE *out); +} jp2_boxops_t; + +/******************************************************************************\ +* +\******************************************************************************/ + +typedef struct jp2_boxinfo_s { + int type; + char *name; + int flags; + jp2_boxops_t ops; +} jp2_boxinfo_t; + +/******************************************************************************\ +* Box class. +\******************************************************************************/ + +jp2_box_t *jp2_box_create(int type); +void jp2_box_destroy(jp2_box_t *box); +jp2_box_t *jp2_box_get(jas_stream_t *in); +int jp2_box_put(jp2_box_t *box, jas_stream_t *out); + +#define JP2_DTYPETOBPC(dtype) \ + ((JAS_IMAGE_CDT_GETSGND(dtype) << 7) | (JAS_IMAGE_CDT_GETPREC(dtype) - 1)) +#define JP2_BPCTODTYPE(bpc) \ + (JAS_IMAGE_CDT_SETSGND(bpc >> 7) | JAS_IMAGE_CDT_SETPREC((bpc & 0x7f) + 1)) + +#define ICC_CS_RGB 0x52474220 +#define ICC_CS_YCBCR 0x59436272 +#define ICC_CS_GRAY 0x47524159 + +jp2_cdefchan_t *jp2_cdef_lookup(jp2_cdef_t *cdef, int channo); + + +#endif diff --git a/src/libjasper/jp2/jp2_dec.c b/src/libjasper/jp2/jp2_dec.c new file mode 100644 index 0000000..45a8993 --- /dev/null +++ b/src/libjasper/jp2/jp2_dec.c @@ -0,0 +1,702 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + + GeoJasper revision: Dima (11/07/2003 17:29 - UUID and additional args) + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * JP2 Library + * + * $Id: jp2_dec.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_image.h" +#include "jasper/jas_stream.h" +#include "jasper/jas_math.h" +#include "jasper/jas_debug.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_version.h" + +// GeoJasper: dima +#if !defined( JAS_GEO_OMIT_PRINTING_CODE ) +#include "../tiff/geotiff_buffer.h" +#endif +// end: dima + +#include "jp2_cod.h" +#include "jp2_dec.h" + +#define JP2_VALIDATELEN (JAS_MIN(JP2_JP_LEN + 16, JAS_STREAM_MAXPUTBACK)) + +static jp2_dec_t *jp2_dec_create(void); +static void jp2_dec_destroy(jp2_dec_t *dec); +static int jp2_getcs(jp2_colr_t *colr); +static int fromiccpcs(int cs); +static int jp2_getct(int colorspace, int type, int assoc); + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +jas_image_t *jp2_decode(jas_stream_t *in, char *optstr) +{ + jp2_box_t *box; + int found; + jas_image_t *image; + jp2_dec_t *dec; + bool samedtype; + int dtype; + unsigned int i; + jp2_cmap_t *cmapd; + jp2_pclr_t *pclrd; + jp2_cdef_t *cdefd; + unsigned int channo; + int newcmptno; + int_fast32_t *lutents; +#if 0 + jp2_cdefchan_t *cdefent; + int cmptno; +#endif + jp2_cmapent_t *cmapent; + jas_icchdr_t icchdr; + jas_iccprof_t *iccprof; + + // GeoJasper: dima - begin - temporary metadata buffers + //jas_aux_buffer_t aux_buf; + //aux_buf.id = 0; + jas_metadata_boxes_t tmp_metadata; + tmp_metadata.count = JAS_IMAGE_NUM_BOXES; + for (i=0; i<tmp_metadata.count; ++i) + tmp_metadata.boxes[i] = jas_box_init(); + // GeoJasper: dima - end - temporary metadata buffers + + dec = 0; + box = 0; + image = 0; + + if (!(dec = jp2_dec_create())) { + goto error; + } + + /* Get the first box. This should be a JP box. */ + if (!(box = jp2_box_get(in))) { + jas_eprintf("error: cannot get box\n"); + goto error; + } + if (box->type != JP2_BOX_JP) { + jas_eprintf("error: expecting signature box\n"); + goto error; + } + if (box->data.jp.magic != JP2_JP_MAGIC) { + jas_eprintf("incorrect magic number\n"); + goto error; + } + jp2_box_destroy(box); + box = 0; + + /* Get the second box. This should be a FTYP box. */ + if (!(box = jp2_box_get(in))) { + goto error; + } + if (box->type != JP2_BOX_FTYP) { + jas_eprintf("expecting file type box\n"); + goto error; + } + jp2_box_destroy(box); + box = 0; + + /* Get more boxes... */ + found = 0; + while ((box = jp2_box_get(in))) { + if (jas_getdbglevel() >= 1) { + jas_eprintf("box type %s\n", box->info->name); + } + switch (box->type) { + case JP2_BOX_JP2C: + found = 1; + break; + case JP2_BOX_IHDR: + if (!dec->ihdr) { + dec->ihdr = box; + box = 0; + } + break; + case JP2_BOX_BPCC: + if (!dec->bpcc) { + dec->bpcc = box; + box = 0; + } + break; + case JP2_BOX_CDEF: + if (!dec->cdef) { + dec->cdef = box; + box = 0; + } + break; + case JP2_BOX_PCLR: + if (!dec->pclr) { + dec->pclr = box; + box = 0; + } + break; + case JP2_BOX_CMAP: + if (!dec->cmap) { + dec->cmap = box; + box = 0; + } + break; + case JP2_BOX_COLR: + if (!dec->colr) { + dec->colr = box; + box = 0; + } + break; + //------------------------------------------------------- + case JP2_BOX_UUID: // GeoJasper: dima - begin extract uuid + { + int box_id = -1; + if ( memcmp( box->data.uuid.uuid, msi_uuid, sizeof(msi_uuid) ) == 0 ) box_id = JAS_IMAGE_BOX_GEO; + if ( memcmp( box->data.uuid.uuid, xmp_uuid, sizeof(xmp_uuid) ) == 0 ) box_id = JAS_IMAGE_BOX_XMP; + + if( box_id >= 0 ) { + jas_metadata_box_t *metabox = &tmp_metadata.boxes[box_id]; + if ( jas_box_alloc( metabox, box->data.uuid.data_len ) ) { + memcpy( metabox->id, box->data.uuid.uuid, sizeof(msi_uuid) ); + memcpy( metabox->buf, box->data.uuid.data, metabox->size ); + } // if box allocated + } // if uuid box contains info to copy + } + + break; // GeoJasper: end - begin extract uuid + //------------------------------------------------------- + } + if (box) { + jp2_box_destroy(box); + box = 0; + } + if (found) { + break; + } + } + + //------------------------------------------------------- + // GeoJasper: dima - begin - print geojpeg2000 if needed +#if !defined( JAS_GEO_OMIT_PRINTING_CODE ) + if ( (optstr) && ( strstr(optstr, "listgeo") != NULL ) ) { + jas_metadata_box_t *metabox = &tmp_metadata.boxes[JAS_IMAGE_BOX_GEO]; + long w=1, h=1; + + if (dec->ihdr) { + w = dec->ihdr->data.ihdr.width; + h = dec->ihdr->data.ihdr.height; + } + if ( (memcmp(metabox->id, msi_uuid, sizeof(msi_uuid))==0) && metabox->buf != NULL ) + printGTIFFromMemBufA( metabox->buf, metabox->size, w, h ); + else + jas_eprintf("geojasper info: GeoJp2 info not found!\n"); + exit(0); + } + + if ( (optstr) && ( strstr(optstr, "listxmp") != NULL ) ) { + jas_metadata_box_t *metabox = &tmp_metadata.boxes[JAS_IMAGE_BOX_XMP]; + + if ( (memcmp(metabox->id, xmp_uuid, sizeof(xmp_uuid))==0) && metabox->buf != NULL ) { + // xmp buffer in is not guaranteed to be null terminated... + char *strbuf = (char *) jas_malloc(metabox->size+1); + strncpy(strbuf, metabox->buf, metabox->size); + strbuf[metabox->size] = 0; + fprintf( stdout, "%s\n", strbuf ); + jas_free(strbuf); + } else + jas_eprintf("geojasper info: Adobe XMP info not found!\n"); + exit(0); + } + + // simple check if we have boxes + if ( (memcmp(tmp_metadata.boxes[JAS_IMAGE_BOX_GEO].id, msi_uuid, sizeof(msi_uuid))==0) && + tmp_metadata.boxes[JAS_IMAGE_BOX_GEO].buf != NULL ) + jas_eprintf("geojasper info: GeoJp2 found, size: %d\n", tmp_metadata.boxes[JAS_IMAGE_BOX_GEO].size); + + if ( (memcmp(tmp_metadata.boxes[JAS_IMAGE_BOX_XMP].id, xmp_uuid, sizeof(xmp_uuid))==0) && + tmp_metadata.boxes[JAS_IMAGE_BOX_XMP].buf != NULL ) + jas_eprintf("geojasper info: Adobe XMP found, size: %d\n", tmp_metadata.boxes[JAS_IMAGE_BOX_XMP].size); + +#endif // #if !defined( JAS_GEO_OMIT_PRINTING_CODE ) + // GeoJasper: dima - end - print geojpeg2000 if needed + //------------------------------------------------------- + + if (!found) { + jas_eprintf("error: no code stream found\n"); + goto error; + } + + if (!(dec->image = jpc_decode(in, optstr))) { + jas_eprintf("error: cannot decode code stream\n"); + goto error; + } + + /* An IHDR box must be present. */ + if (!dec->ihdr) { + jas_eprintf("error: missing IHDR box\n"); + goto error; + } + + /* Does the number of components indicated in the IHDR box match + the value specified in the code stream? */ + if (dec->ihdr->data.ihdr.numcmpts != JAS_CAST(unsigned int, jas_image_numcmpts(dec->image))) { /* IMLIB - changed unit to unsigned int */ + jas_eprintf("warning: number of components mismatch\n"); + } + + /* At least one component must be present. */ + if (!jas_image_numcmpts(dec->image)) { + jas_eprintf("error: no components\n"); + goto error; + } + + /* Determine if all components have the same data type. */ + samedtype = true; + dtype = jas_image_cmptdtype(dec->image, 0); + for (i = 1; i < JAS_CAST(unsigned int, jas_image_numcmpts(dec->image)); ++i) { /* IMLIB - changed unit to unsigned int */ + if (jas_image_cmptdtype(dec->image, i) != dtype) { + samedtype = false; + break; + } + } + + /* Is the component data type indicated in the IHDR box consistent + with the data in the code stream? */ + if ((samedtype && dec->ihdr->data.ihdr.bpc != JP2_DTYPETOBPC(dtype)) || + (!samedtype && dec->ihdr->data.ihdr.bpc != JP2_IHDR_BPCNULL)) { + jas_eprintf("warning: component data type mismatch\n"); + } + + /* Is the compression type supported? */ + if (dec->ihdr->data.ihdr.comptype != JP2_IHDR_COMPTYPE) { + jas_eprintf("error: unsupported compression type\n"); + goto error; + } + + if (dec->bpcc) { + /* Is the number of components indicated in the BPCC box + consistent with the code stream data? */ + if (dec->bpcc->data.bpcc.numcmpts != JAS_CAST(unsigned int, jas_image_numcmpts( /* IMLIB - changed unit to unsigned int */ + dec->image))) { + jas_eprintf("warning: number of components mismatch\n"); + } + /* Is the component data type information indicated in the BPCC + box consistent with the code stream data? */ + if (!samedtype) { + for (i = 0; i < JAS_CAST(unsigned int, jas_image_numcmpts(dec->image)); ++i) { /* IMLIB - changed unit to unsigned int */ + if (jas_image_cmptdtype(dec->image, i) != JP2_BPCTODTYPE(dec->bpcc->data.bpcc.bpcs[i])) { + jas_eprintf("warning: component data type mismatch\n"); + } + } + } else { + jas_eprintf("warning: superfluous BPCC box\n"); + } + } + + /* A COLR box must be present. */ + if (!dec->colr) { + jas_eprintf("error: no COLR box\n"); + goto error; + } + + switch (dec->colr->data.colr.method) { + case JP2_COLR_ENUM: + jas_image_setclrspc(dec->image, jp2_getcs(&dec->colr->data.colr)); + break; + case JP2_COLR_ICC: + iccprof = jas_iccprof_createfrombuf(dec->colr->data.colr.iccp, + dec->colr->data.colr.iccplen); + assert(iccprof); + jas_iccprof_gethdr(iccprof, &icchdr); + jas_eprintf("ICC Profile CS %08x\n", icchdr.colorspc); + jas_image_setclrspc(dec->image, fromiccpcs(icchdr.colorspc)); + dec->image->cmprof_ = jas_cmprof_createfromiccprof(iccprof); + assert(dec->image->cmprof_); + jas_iccprof_destroy(iccprof); + break; + } + + /* If a CMAP box is present, a PCLR box must also be present. */ + if (dec->cmap && !dec->pclr) { + jas_eprintf("warning: missing PCLR box or superfluous CMAP box\n"); + jp2_box_destroy(dec->cmap); + dec->cmap = 0; + } + + /* If a CMAP box is not present, a PCLR box must not be present. */ + if (!dec->cmap && dec->pclr) { + jas_eprintf("warning: missing CMAP box or superfluous PCLR box\n"); + jp2_box_destroy(dec->pclr); + dec->pclr = 0; + } + + /* Determine the number of channels (which is essentially the number + of components after any palette mappings have been applied). */ + dec->numchans = dec->cmap ? dec->cmap->data.cmap.numchans : JAS_CAST(unsigned int, jas_image_numcmpts(dec->image)); /* IMLIB - changed unit to unsigned int */ + + /* Perform a basic sanity check on the CMAP box if present. */ + if (dec->cmap) { + for (i = 0; i < dec->numchans; ++i) { + /* Is the component number reasonable? */ + if (dec->cmap->data.cmap.ents[i].cmptno >= JAS_CAST(unsigned int, jas_image_numcmpts(dec->image))) { /* IMLIB - changed unit to unsigned int */ + jas_eprintf("error: invalid component number in CMAP box\n"); + goto error; + } + /* Is the LUT index reasonable? */ + if (dec->cmap->data.cmap.ents[i].pcol >= dec->pclr->data.pclr.numchans) { + jas_eprintf("error: invalid CMAP LUT index\n"); + goto error; + } + } + } + + /* Allocate space for the channel-number to component-number LUT. */ + if (!(dec->chantocmptlut = jas_malloc(dec->numchans * sizeof(uint_fast16_t)))) { + jas_eprintf("error: no memory\n"); + goto error; + } + + if (!dec->cmap) { + for (i = 0; i < dec->numchans; ++i) { + dec->chantocmptlut[i] = i; + } + } else { + cmapd = &dec->cmap->data.cmap; + pclrd = &dec->pclr->data.pclr; + cdefd = &dec->cdef->data.cdef; + for (channo = 0; channo < cmapd->numchans; ++channo) { + cmapent = &cmapd->ents[channo]; + if (cmapent->map == JP2_CMAP_DIRECT) { + dec->chantocmptlut[channo] = channo; + } else if (cmapent->map == JP2_CMAP_PALETTE) { + lutents = jas_malloc(pclrd->numlutents * sizeof(int_fast32_t)); + for (i = 0; i < pclrd->numlutents; ++i) { + lutents[i] = pclrd->lutdata[cmapent->pcol + i * pclrd->numchans]; + } + newcmptno = jas_image_numcmpts(dec->image); + jas_image_depalettize(dec->image, cmapent->cmptno, pclrd->numlutents, lutents, JP2_BPCTODTYPE(pclrd->bpc[cmapent->pcol]), newcmptno); + dec->chantocmptlut[channo] = newcmptno; + jas_free(lutents); +#if 0 + if (dec->cdef) { + cdefent = jp2_cdef_lookup(cdefd, channo); + if (!cdefent) { + abort(); + } + jas_image_setcmpttype(dec->image, newcmptno, jp2_getct(jas_image_clrspc(dec->image), cdefent->type, cdefent->assoc)); + } else { + jas_image_setcmpttype(dec->image, newcmptno, jp2_getct(jas_image_clrspc(dec->image), 0, channo + 1)); + } +#endif + } + } + } + + /* Mark all components as being of unknown type. */ + + for (i = 0; i < JAS_CAST(unsigned int, jas_image_numcmpts(dec->image)); ++i) { /* IMLIB - changed unit to unsigned int */ + jas_image_setcmpttype(dec->image, i, JAS_IMAGE_CT_UNKNOWN); + } + + /* Determine the type of each component. */ + if (dec->cdef) { + for (i = 0; i < dec->numchans; ++i) { + jas_image_setcmpttype(dec->image, + dec->chantocmptlut[dec->cdef->data.cdef.ents[i].channo], + jp2_getct(jas_image_clrspc(dec->image), + dec->cdef->data.cdef.ents[i].type, dec->cdef->data.cdef.ents[i].assoc)); + } + } else { + for (i = 0; i < dec->numchans; ++i) { + jas_image_setcmpttype(dec->image, dec->chantocmptlut[i], + jp2_getct(jas_image_clrspc(dec->image), 0, i + 1)); + } + } + + // GeoJasper: dima - let's preserve the actual image data by marking unknown components as gray + /* Delete any components that are not of interest. */ + /* + for (i = jas_image_numcmpts(dec->image); i > 0; --i) { + if (jas_image_cmpttype(dec->image, i - 1) == JAS_IMAGE_CT_UNKNOWN) { + jas_image_delcmpt(dec->image, i - 1); + } + } + */ + // GeoJasper: dima - let's preserve the actual image data by marking unknown components as gray + for (i = jas_image_numcmpts(dec->image); i > 0; --i) { + if (jas_image_cmpttype(dec->image, i-1) == JAS_IMAGE_CT_UNKNOWN) { + jas_image_setcmpttype(dec->image, i-1, JAS_IMAGE_CT_GRAY_Y); + } + } + + + /* Ensure that some components survived. */ + if (!jas_image_numcmpts(dec->image)) { + jas_eprintf("error: no components\n"); + goto error; + } +#if 0 +jas_eprintf("no of components is %d\n", jas_image_numcmpts(dec->image)); +#endif + + /* Prevent the image from being destroyed later. */ + + // GeoJasper: begin - dima - copy buffers to the output image + for (i=0; i<tmp_metadata.count; ++i) { + dec->image->metadata.boxes[i] = tmp_metadata.boxes[i]; + tmp_metadata.boxes[i] = jas_box_init(); + } + // GeoJasper: end - dima - copy buffers to the output image + + image = dec->image; + dec->image = 0; + + jp2_dec_destroy(dec); + + return image; + +error: + if (box) { + jp2_box_destroy(box); + } + if (dec) { + jp2_dec_destroy(dec); + } + return 0; +} + +int jp2_validate(jas_stream_t *in) +{ + char buf[JP2_VALIDATELEN]; + int i; + int n; +#if 0 + jas_stream_t *tmpstream; + jp2_box_t *box; +#endif + + assert(JAS_STREAM_MAXPUTBACK >= JP2_VALIDATELEN); + + /* Read the validation data (i.e., the data used for detecting + the format). */ + if ((n = jas_stream_read(in, buf, JP2_VALIDATELEN)) < 0) { + return -1; + } + + /* Put the validation data back onto the stream, so that the + stream position will not be changed. */ + for (i = n - 1; i >= 0; --i) { + if (jas_stream_ungetc(in, buf[i]) == EOF) { + return -1; + } + } + + /* Did we read enough data? */ + if (n < JP2_VALIDATELEN) { + return -1; + } + + /* Is the box type correct? */ + if (((buf[4] << 24) | (buf[5] << 16) | (buf[6] << 8) | buf[7]) != + JP2_BOX_JP) + { + return -1; + } + + return 0; +} + +static jp2_dec_t *jp2_dec_create(void) +{ + jp2_dec_t *dec; + + if (!(dec = jas_malloc(sizeof(jp2_dec_t)))) { + return 0; + } + dec->ihdr = 0; + dec->bpcc = 0; + dec->cdef = 0; + dec->pclr = 0; + dec->image = 0; + dec->chantocmptlut = 0; + dec->cmap = 0; + dec->colr = 0; + return dec; +} + +static void jp2_dec_destroy(jp2_dec_t *dec) +{ + if (dec->ihdr) { + jp2_box_destroy(dec->ihdr); + } + if (dec->bpcc) { + jp2_box_destroy(dec->bpcc); + } + if (dec->cdef) { + jp2_box_destroy(dec->cdef); + } + if (dec->pclr) { + jp2_box_destroy(dec->pclr); + } + if (dec->image) { + jas_image_destroy(dec->image); + } + if (dec->cmap) { + jp2_box_destroy(dec->cmap); + } + if (dec->colr) { + jp2_box_destroy(dec->colr); + } + if (dec->chantocmptlut) { + jas_free(dec->chantocmptlut); + } + jas_free(dec); +} + +static int jp2_getct(int colorspace, int type, int assoc) +{ + if (type == 1 && assoc == 0) { + return JAS_IMAGE_CT_OPACITY; + } + if (type == 0 && assoc >= 1 && assoc <= 65534) { + switch (colorspace) { + case JAS_CLRSPC_FAM_RGB: + switch (assoc) { + case JP2_CDEF_RGB_R: + return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R); + break; + case JP2_CDEF_RGB_G: + return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G); + break; + case JP2_CDEF_RGB_B: + return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B); + break; + } + break; + case JAS_CLRSPC_FAM_YCBCR: + switch (assoc) { + case JP2_CDEF_YCBCR_Y: + return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_Y); + break; + case JP2_CDEF_YCBCR_CB: + return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CB); + break; + case JP2_CDEF_YCBCR_CR: + return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CR); + break; + } + break; + case JAS_CLRSPC_FAM_GRAY: + switch (assoc) { + case JP2_CDEF_GRAY_Y: + return JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y); + break; + } + break; + default: + return JAS_IMAGE_CT_COLOR(assoc - 1); + break; + } + } + return JAS_IMAGE_CT_UNKNOWN; +} + +static int jp2_getcs(jp2_colr_t *colr) +{ + if (colr->method == JP2_COLR_ENUM) { + switch (colr->csid) { + case JP2_COLR_SRGB: + return JAS_CLRSPC_SRGB; + break; + case JP2_COLR_SYCC: + return JAS_CLRSPC_SYCBCR; + break; + case JP2_COLR_SGRAY: + return JAS_CLRSPC_SGRAY; + break; + } + } + return JAS_CLRSPC_UNKNOWN; +} + +static int fromiccpcs(int cs) +{ + switch (cs) { + case ICC_CS_RGB: + return JAS_CLRSPC_GENRGB; + break; + case ICC_CS_YCBCR: + return JAS_CLRSPC_GENYCBCR; + break; + case ICC_CS_GRAY: + return JAS_CLRSPC_GENGRAY; + break; + } + return JAS_CLRSPC_UNKNOWN; +} diff --git a/src/libjasper/jp2/jp2_dec.h b/src/libjasper/jp2/jp2_dec.h new file mode 100644 index 0000000..1cb95a2 --- /dev/null +++ b/src/libjasper/jp2/jp2_dec.h @@ -0,0 +1,85 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +#ifndef JP2_DEC_H +#define JP2_DEC_H + +#include "jasper/jas_image.h" +#include "jasper/jas_stream.h" +#include "jp2_cod.h" + +typedef struct { + + jp2_box_t *pclr; + jp2_box_t *cdef; + jp2_box_t *ihdr; + jp2_box_t *bpcc; + jp2_box_t *cmap; + jp2_box_t *colr; + jas_image_t *image; + uint_fast16_t numchans; + uint_fast16_t *chantocmptlut; + +} jp2_dec_t; + +#endif diff --git a/src/libjasper/jp2/jp2_enc.c b/src/libjasper/jp2/jp2_enc.c new file mode 100644 index 0000000..cb6299f --- /dev/null +++ b/src/libjasper/jp2/jp2_enc.c @@ -0,0 +1,469 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + + GeoJasper revision: Dima (11/07/2003 17:29 - UUID) + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * JP2 Library + * + * $Id: jp2_enc.c,v 1.1 2008/10/17 06:14:59 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <assert.h> +#include "jasper/jas_malloc.h" +#include "jasper/jas_image.h" +#include "jasper/jas_stream.h" +#include "jasper/jas_cm.h" +#include "jasper/jas_icc.h" +#include "jp2_cod.h" + +static uint_fast32_t jp2_gettypeasoc(int colorspace, int ctype); +static int clrspctojp2(jas_clrspc_t clrspc); + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +int jp2_encode(jas_image_t *image, jas_stream_t *out, char *optstr) +{ + jp2_box_t *box; + jp2_ftyp_t *ftyp; + jp2_ihdr_t *ihdr; + jas_stream_t *tmpstream; + int allcmptssame; + jp2_bpcc_t *bpcc; + long len; + uint_fast16_t cmptno; + jp2_colr_t *colr; + char buf[4096]; + uint_fast32_t overhead; + jp2_cdefchan_t *cdefchanent; + jp2_cdef_t *cdef; + int i; + uint_fast32_t typeasoc; +jas_iccprof_t *iccprof; +jas_stream_t *iccstream; +int pos; +int needcdef; +int prec; +int sgnd; + + box = 0; + tmpstream = 0; + + allcmptssame = 1; + sgnd = jas_image_cmptsgnd(image, 0); + prec = jas_image_cmptprec(image, 0); + for (i = 1; i < jas_image_numcmpts(image); ++i) { + if (jas_image_cmptsgnd(image, i) != sgnd || + jas_image_cmptprec(image, i) != prec) { + allcmptssame = 0; + break; + } + } + + /* Output the signature box. */ + + if (!(box = jp2_box_create(JP2_BOX_JP))) { + goto error; + } + box->data.jp.magic = JP2_JP_MAGIC; + if (jp2_box_put(box, out)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + + /* Output the file type box. */ + + if (!(box = jp2_box_create(JP2_BOX_FTYP))) { + goto error; + } + ftyp = &box->data.ftyp; + ftyp->majver = JP2_FTYP_MAJVER; + ftyp->minver = JP2_FTYP_MINVER; + ftyp->numcompatcodes = 1; + ftyp->compatcodes[0] = JP2_FTYP_COMPATCODE; + if (jp2_box_put(box, out)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + + /* + * Generate the data portion of the JP2 header box. + * We cannot simply output the header for this box + * since we do not yet know the correct value for the length + * field. + */ + + if (!(tmpstream = jas_stream_memopen(0, 0))) { + goto error; + } + + /* Generate image header box. */ + + if (!(box = jp2_box_create(JP2_BOX_IHDR))) { + goto error; + } + ihdr = &box->data.ihdr; + ihdr->width = jas_image_width(image); + ihdr->height = jas_image_height(image); + ihdr->numcmpts = jas_image_numcmpts(image); + ihdr->bpc = allcmptssame ? JP2_SPTOBPC(jas_image_cmptsgnd(image, 0), + jas_image_cmptprec(image, 0)) : JP2_IHDR_BPCNULL; + ihdr->comptype = JP2_IHDR_COMPTYPE; + ihdr->csunk = 0; + ihdr->ipr = 0; + if (jp2_box_put(box, tmpstream)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + + /* Generate bits per component box. */ + + if (!allcmptssame) { + if (!(box = jp2_box_create(JP2_BOX_BPCC))) { + goto error; + } + bpcc = &box->data.bpcc; + bpcc->numcmpts = jas_image_numcmpts(image); + if (!(bpcc->bpcs = jas_malloc(bpcc->numcmpts * + sizeof(uint_fast8_t)))) { + goto error; + } + for (cmptno = 0; cmptno < bpcc->numcmpts; ++cmptno) { + bpcc->bpcs[cmptno] = JP2_SPTOBPC(jas_image_cmptsgnd(image, + cmptno), jas_image_cmptprec(image, cmptno)); + } + if (jp2_box_put(box, tmpstream)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + } + + /* Generate color specification box. */ + + if (!(box = jp2_box_create(JP2_BOX_COLR))) { + goto error; + } + colr = &box->data.colr; + switch (jas_image_clrspc(image)) { + case JAS_CLRSPC_SRGB: + case JAS_CLRSPC_SYCBCR: + case JAS_CLRSPC_SGRAY: + colr->method = JP2_COLR_ENUM; + colr->csid = clrspctojp2(jas_image_clrspc(image)); + colr->pri = JP2_COLR_PRI; + colr->approx = 0; + break; + default: + colr->method = JP2_COLR_ICC; + colr->pri = JP2_COLR_PRI; + colr->approx = 0; + iccprof = jas_iccprof_createfromcmprof(jas_image_cmprof(image)); + assert(iccprof); + iccstream = jas_stream_memopen(0, 0); + assert(iccstream); + if (jas_iccprof_save(iccprof, iccstream)) + abort(); + if ((pos = jas_stream_tell(iccstream)) < 0) + abort(); + colr->iccplen = pos; + colr->iccp = jas_malloc(pos); + assert(colr->iccp); + jas_stream_rewind(iccstream); + if (jas_stream_read(iccstream, colr->iccp, colr->iccplen) != colr->iccplen) + abort(); + jas_stream_close(iccstream); + jas_iccprof_destroy(iccprof); + break; + } + if (jp2_box_put(box, tmpstream)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + + needcdef = 1; + switch (jas_clrspc_fam(jas_image_clrspc(image))) { + case JAS_CLRSPC_FAM_RGB: + if (jas_image_cmpttype(image, 0) == + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R) && + jas_image_cmpttype(image, 1) == + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G) && + jas_image_cmpttype(image, 2) == + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B)) + needcdef = 0; + break; + case JAS_CLRSPC_FAM_YCBCR: + if (jas_image_cmpttype(image, 0) == + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_Y) && + jas_image_cmpttype(image, 1) == + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CB) && + jas_image_cmpttype(image, 2) == + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CR)) + needcdef = 0; + break; + case JAS_CLRSPC_FAM_GRAY: + if (jas_image_cmpttype(image, 0) == + JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_GRAY_Y)) + needcdef = 0; + break; + default: + abort(); + break; + } + + if (needcdef) { + if (!(box = jp2_box_create(JP2_BOX_CDEF))) { + goto error; + } + cdef = &box->data.cdef; + cdef->numchans = jas_image_numcmpts(image); + cdef->ents = jas_malloc(cdef->numchans * sizeof(jp2_cdefchan_t)); + for (i = 0; i < jas_image_numcmpts(image); ++i) { + cdefchanent = &cdef->ents[i]; + cdefchanent->channo = i; + typeasoc = jp2_gettypeasoc(jas_image_clrspc(image), jas_image_cmpttype(image, i)); + cdefchanent->type = typeasoc >> 16; + cdefchanent->assoc = typeasoc & 0x7fff; + } + if (jp2_box_put(box, tmpstream)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + } + + /* Determine the total length of the JP2 header box. */ + + len = jas_stream_tell(tmpstream); + jas_stream_rewind(tmpstream); + + /* + * Output the JP2 header box and all of the boxes which it contains. + */ + + if (!(box = jp2_box_create(JP2_BOX_JP2H))) { + goto error; + } + box->len = len + JP2_BOX_HDRLEN(false); + if (jp2_box_put(box, out)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + + if (jas_stream_copy(out, tmpstream, len)) { + goto error; + } + + jas_stream_close(tmpstream); + tmpstream = 0; + + /* + * Output the UUID box + */ + // GeoJasper: dima - write UUID if received any metadata + if ( image->metadata.count > 0 ) { + int b; + for (b=0; b<image->metadata.count; ++b) { + jas_metadata_box_t *metabox = &image->metadata.boxes[b]; + + if ( metabox->size>0 && metabox->buf ) { + if (!(box = jp2_box_create( JP2_BOX_UUID ))) + goto error; + + memcpy( box->data.uuid.uuid, metabox->id, sizeof(msi_uuid) ); + box->data.uuid.data_len = metabox->size; + if ( !(box->data.uuid.data = (uint_fast8_t *)jas_malloc(metabox->size)) ) + goto error; + memcpy( box->data.uuid.data, metabox->buf, metabox->size ); + + if (jp2_box_put(box, out)) + goto error; + + jp2_box_destroy(box); + box = 0; + } // if box contains data + } // for boxes + } // if there are boxes + // GeoJasper: dima - write UUID if received + + + + /* + * Output the contiguous code stream box. + */ + + if (!(box = jp2_box_create(JP2_BOX_JP2C))) { + goto error; + } + box->len = 0; + if (jp2_box_put(box, out)) { + goto error; + } + jp2_box_destroy(box); + box = 0; + + /* Output the JPEG-2000 code stream. */ + + overhead = jas_stream_getrwcount(out); + sprintf(buf, "%s\n_jp2overhead=%lu\n", (optstr ? optstr : ""), + (unsigned long) overhead); + + if (jpc_encode(image, out, buf)) { + goto error; + } + + return 0; + abort(); + +error: + + if (box) { + jp2_box_destroy(box); + } + if (tmpstream) { + jas_stream_close(tmpstream); + } + return -1; +} + +static uint_fast32_t jp2_gettypeasoc(int colorspace, int ctype) +{ + int type; + int asoc; + + if (ctype & JAS_IMAGE_CT_OPACITY) { + type = JP2_CDEF_TYPE_OPACITY; + asoc = JP2_CDEF_ASOC_ALL; + goto done; + } + + type = JP2_CDEF_TYPE_UNSPEC; + asoc = JP2_CDEF_ASOC_NONE; + switch (jas_clrspc_fam(colorspace)) { + case JAS_CLRSPC_FAM_RGB: + switch (JAS_IMAGE_CT_COLOR(ctype)) { + case JAS_IMAGE_CT_RGB_R: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_RGB_R; + break; + case JAS_IMAGE_CT_RGB_G: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_RGB_G; + break; + case JAS_IMAGE_CT_RGB_B: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_RGB_B; + break; + } + break; + case JAS_CLRSPC_FAM_YCBCR: + switch (JAS_IMAGE_CT_COLOR(ctype)) { + case JAS_IMAGE_CT_YCBCR_Y: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_YCBCR_Y; + break; + case JAS_IMAGE_CT_YCBCR_CB: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_YCBCR_CB; + break; + case JAS_IMAGE_CT_YCBCR_CR: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_YCBCR_CR; + break; + } + break; + case JAS_CLRSPC_FAM_GRAY: + type = JP2_CDEF_TYPE_COLOR; + asoc = JP2_CDEF_GRAY_Y; + break; + } + +done: + return (type << 16) | asoc; +} + +static int clrspctojp2(jas_clrspc_t clrspc) +{ + switch (clrspc) { + case JAS_CLRSPC_SRGB: + return JP2_COLR_SRGB; + case JAS_CLRSPC_SYCBCR: + return JP2_COLR_SYCC; + case JAS_CLRSPC_SGRAY: + return JP2_COLR_SGRAY; + default: + abort(); + break; + } +} diff --git a/src/libjasper/jpc/jpc_bs.c b/src/libjasper/jpc/jpc_bs.c new file mode 100644 index 0000000..0471665 --- /dev/null +++ b/src/libjasper/jpc/jpc_bs.c @@ -0,0 +1,440 @@ +/* + * Copyright (c) 1999-2000, Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Bit Stream Class + * + * $Id: jpc_bs.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <assert.h> +#include <stdlib.h> +#include <stdarg.h> + +#include "jasper/jas_malloc.h" +#include "jasper/jas_math.h" +#include "jasper/jas_debug.h" + +#include "jpc_bs.h" + +/******************************************************************************\ +* Local function prototypes. +\******************************************************************************/ + +static jpc_bitstream_t *jpc_bitstream_alloc(void); + +/******************************************************************************\ +* Code for opening and closing bit streams. +\******************************************************************************/ + +/* Open a bit stream from a stream. */ +jpc_bitstream_t *jpc_bitstream_sopen(jas_stream_t *stream, char *mode) +{ + jpc_bitstream_t *bitstream; + + /* Ensure that the open mode is valid. */ +#if 1 +/* This causes a string literal too long error (with c99 pedantic mode). */ + assert(!strcmp(mode, "r") || !strcmp(mode, "w") || !strcmp(mode, "r+") + || !strcmp(mode, "w+")); +#endif + + if (!(bitstream = jpc_bitstream_alloc())) { + return 0; + } + + /* By default, do not close the underlying (character) stream, upon + the close of the bit stream. */ + bitstream->flags_ = JPC_BITSTREAM_NOCLOSE; + + bitstream->stream_ = stream; + bitstream->openmode_ = (mode[0] == 'w') ? JPC_BITSTREAM_WRITE : + JPC_BITSTREAM_READ; + + /* Mark the data buffer as empty. */ + bitstream->cnt_ = (bitstream->openmode_ == JPC_BITSTREAM_READ) ? 0 : 8; + bitstream->buf_ = 0; + + return bitstream; +} + +/* Close a bit stream. */ +int jpc_bitstream_close(jpc_bitstream_t *bitstream) +{ + int ret = 0; + + /* Align to the next byte boundary while considering the effects of + bit stuffing. */ + if (jpc_bitstream_align(bitstream)) { + ret = -1; + } + + /* If necessary, close the underlying (character) stream. */ + if (!(bitstream->flags_ & JPC_BITSTREAM_NOCLOSE) && bitstream->stream_) { + if (jas_stream_close(bitstream->stream_)) { + ret = -1; + } + bitstream->stream_ = 0; + } + + jas_free(bitstream); + return ret; +} + +/* Allocate a new bit stream. */ +static jpc_bitstream_t *jpc_bitstream_alloc() +{ + jpc_bitstream_t *bitstream; + + /* Allocate memory for the new bit stream object. */ + if (!(bitstream = jas_malloc(sizeof(jpc_bitstream_t)))) { + return 0; + } + /* Initialize all of the data members. */ + bitstream->stream_ = 0; + bitstream->cnt_ = 0; + bitstream->flags_ = 0; + bitstream->openmode_ = 0; + + return bitstream; +} + +/******************************************************************************\ +* Code for reading/writing from/to bit streams. +\******************************************************************************/ + +/* Get a bit from a bit stream. */ +int jpc_bitstream_getbit_func(jpc_bitstream_t *bitstream) +{ + int ret; + JAS_DBGLOG(1000, ("jpc_bitstream_getbit_func(%p)\n", bitstream)); + ret = jpc_bitstream_getbit_macro(bitstream); + JAS_DBGLOG(1000, ("jpc_bitstream_getbit_func -> %d\n", ret)); + return ret; +} + +/* Put a bit to a bit stream. */ +int jpc_bitstream_putbit_func(jpc_bitstream_t *bitstream, int b) +{ + int ret; + JAS_DBGLOG(1000, ("jpc_bitstream_putbit_func(%p, %d)\n", bitstream, b)); + ret = jpc_bitstream_putbit_macro(bitstream, b); + JAS_DBGLOG(1000, ("jpc_bitstream_putbit_func() -> %d\n", ret)); + return ret; +} + +/* Get one or more bits from a bit stream. */ +long jpc_bitstream_getbits(jpc_bitstream_t *bitstream, int n) +{ + long v; + int u; + + /* We can reliably get at most 31 bits since ISO/IEC 9899 only + guarantees that a long can represent values up to 2^31-1. */ + assert(n >= 0 && n < 32); + + /* Get the number of bits requested from the specified bit stream. */ + v = 0; + while (--n >= 0) { + if ((u = jpc_bitstream_getbit(bitstream)) < 0) { + return -1; + } + v = (v << 1) | u; + } + return v; +} + +/* Put one or more bits to a bit stream. */ +int jpc_bitstream_putbits(jpc_bitstream_t *bitstream, int n, long v) +{ + int m; + + /* We can reliably put at most 31 bits since ISO/IEC 9899 only + guarantees that a long can represent values up to 2^31-1. */ + assert(n >= 0 && n < 32); + /* Ensure that only the bits to be output are nonzero. */ + assert(!(v & (~JAS_ONES(n)))); + + /* Put the desired number of bits to the specified bit stream. */ + m = n - 1; + while (--n >= 0) { + if (jpc_bitstream_putbit(bitstream, (v >> m) & 1) == EOF) { + return EOF; + } + v <<= 1; + } + return 0; +} + +/******************************************************************************\ +* Code for buffer filling and flushing. +\******************************************************************************/ + +/* Fill the buffer for a bit stream. */ +int jpc_bitstream_fillbuf(jpc_bitstream_t *bitstream) +{ + int c; + /* Note: The count has already been decremented by the caller. */ + assert(bitstream->openmode_ & JPC_BITSTREAM_READ); + assert(bitstream->cnt_ <= 0); + + if (bitstream->flags_ & JPC_BITSTREAM_ERR) { + bitstream->cnt_ = 0; + return -1; + } + + if (bitstream->flags_ & JPC_BITSTREAM_EOF) { + bitstream->buf_ = 0x7f; + bitstream->cnt_ = 7; + return 1; + } + + bitstream->buf_ = (bitstream->buf_ << 8) & 0xffff; + if ((c = jas_stream_getc((bitstream)->stream_)) == EOF) { + bitstream->flags_ |= JPC_BITSTREAM_EOF; + return 1; + } + bitstream->cnt_ = (bitstream->buf_ == 0xff00) ? 6 : 7; + bitstream->buf_ |= c & ((1 << (bitstream->cnt_ + 1)) - 1); + return (bitstream->buf_ >> bitstream->cnt_) & 1; +} + + +/******************************************************************************\ +* Code related to flushing. +\******************************************************************************/ + +/* Does the bit stream need to be aligned to a byte boundary (considering + the effects of bit stuffing)? */ +int jpc_bitstream_needalign(jpc_bitstream_t *bitstream) +{ + if (bitstream->openmode_ & JPC_BITSTREAM_READ) { + /* The bit stream is open for reading. */ + /* If there are any bits buffered for reading, or the + previous byte forced a stuffed bit, alignment is + required. */ + if ((bitstream->cnt_ < 8 && bitstream->cnt_ > 0) || + ((bitstream->buf_ >> 8) & 0xff) == 0xff) { + return 1; + } + } else if (bitstream->openmode_ & JPC_BITSTREAM_WRITE) { + /* The bit stream is open for writing. */ + /* If there are any bits buffered for writing, or the + previous byte forced a stuffed bit, alignment is + required. */ + if ((bitstream->cnt_ < 8 && bitstream->cnt_ >= 0) || + ((bitstream->buf_ >> 8) & 0xff) == 0xff) { + return 1; + } + } else { + /* This should not happen. Famous last words, eh? :-) */ + assert(0); + return -1; + } + return 0; +} + +/* How many additional bytes would be output if we align the bit stream? */ +int jpc_bitstream_pending(jpc_bitstream_t *bitstream) +{ + if (bitstream->openmode_ & JPC_BITSTREAM_WRITE) { + /* The bit stream is being used for writing. */ +#if 1 + /* XXX - Is this really correct? Check someday... */ + if (bitstream->cnt_ < 8) { + return 1; + } +#else + if (bitstream->cnt_ < 8) { + if (((bitstream->buf_ >> 8) & 0xff) == 0xff) { + return 2; + } + return 1; + } +#endif + return 0; + } else { + /* This operation should not be invoked on a bit stream that + is being used for reading. */ + return -1; + } +} + +/* Align the bit stream to a byte boundary. */ +int jpc_bitstream_align(jpc_bitstream_t *bitstream) +{ + int ret; + if (bitstream->openmode_ & JPC_BITSTREAM_READ) { + ret = jpc_bitstream_inalign(bitstream, 0, 0); + } else if (bitstream->openmode_ & JPC_BITSTREAM_WRITE) { + ret = jpc_bitstream_outalign(bitstream, 0); + } else { + abort(); + } + return ret; +} + +/* Align a bit stream in the input case. */ +int jpc_bitstream_inalign(jpc_bitstream_t *bitstream, int fillmask, + int filldata) +{ + int n; + int v; + int u; + int numfill; + int m; + + numfill = 7; + m = 0; + v = 0; + if (bitstream->cnt_ > 0) { + n = bitstream->cnt_; + } else if (!bitstream->cnt_) { + n = ((bitstream->buf_ & 0xff) == 0xff) ? 7 : 0; + } else { + n = 0; + } + if (n > 0) { + if ((u = jpc_bitstream_getbits(bitstream, n)) < 0) { + return -1; + } + m += n; + v = (v << n) | u; + } + if ((bitstream->buf_ & 0xff) == 0xff) { + if ((u = jpc_bitstream_getbits(bitstream, 7)) < 0) { + return -1; + } + v = (v << 7) | u; + m += 7; + } + if (m > numfill) { + v >>= m - numfill; + } else { + filldata >>= numfill - m; + fillmask >>= numfill - m; + } + if (((~(v ^ filldata)) & fillmask) != fillmask) { + /* The actual fill pattern does not match the expected one. */ + return 1; + } + + return 0; +} + +/* Align a bit stream in the output case. */ +int jpc_bitstream_outalign(jpc_bitstream_t *bitstream, int filldata) +{ + int n; + int v; + + /* Ensure that this bit stream is open for writing. */ + assert(bitstream->openmode_ & JPC_BITSTREAM_WRITE); + + /* Ensure that the first bit of fill data is zero. */ + /* Note: The first bit of fill data must be zero. If this were not + the case, the fill data itself could cause further bit stuffing to + be required (which would cause numerous complications). */ + assert(!(filldata & (~0x3f))); + + if (!bitstream->cnt_) { + if ((bitstream->buf_ & 0xff) == 0xff) { + n = 7; + v = filldata; + } else { + n = 0; + v = 0; + } + } else if (bitstream->cnt_ > 0 && bitstream->cnt_ < 8) { + n = bitstream->cnt_; + v = filldata >> (7 - n); + } else { + n = 0; + v = 0; + return 0; + } + + /* Write the appropriate fill data to the bit stream. */ + if (n > 0) { + if (jpc_bitstream_putbits(bitstream, n, v)) { + return -1; + } + } + if (bitstream->cnt_ < 8) { + assert(bitstream->cnt_ >= 0 && bitstream->cnt_ < 8); + assert((bitstream->buf_ & 0xff) != 0xff); + /* Force the pending byte of output to be written to the + underlying (character) stream. */ + if (jas_stream_putc(bitstream->stream_, bitstream->buf_ & 0xff) == EOF) { + return -1; + } + bitstream->cnt_ = 8; + bitstream->buf_ = (bitstream->buf_ << 8) & 0xffff; + } + + return 0; +} diff --git a/src/libjasper/jpc/jpc_bs.h b/src/libjasper/jpc/jpc_bs.h new file mode 100644 index 0000000..78f2974 --- /dev/null +++ b/src/libjasper/jpc/jpc_bs.h @@ -0,0 +1,231 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Bit Stream Class + * + * $Id: jpc_bs.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_BS_H +#define JPC_BS_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> + +#include "jasper/jas_types.h" +#include "jasper/jas_stream.h" + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* + * Bit stream open mode flags. + */ + +/* Bit stream open for reading. */ +#define JPC_BITSTREAM_READ 0x01 +/* Bit stream open for writing. */ +#define JPC_BITSTREAM_WRITE 0x02 + +/* + * Bit stream flags. + */ + +/* Do not close underlying character stream. */ +#define JPC_BITSTREAM_NOCLOSE 0x01 +/* End of file has been reached while reading. */ +#define JPC_BITSTREAM_EOF 0x02 +/* An I/O error has occured. */ +#define JPC_BITSTREAM_ERR 0x04 + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* Bit stream class. */ + +typedef struct { + + /* Some miscellaneous flags. */ + int flags_; + + /* The input/output buffer. */ + uint_fast16_t buf_; + + /* The number of bits remaining in the byte being read/written. */ + int cnt_; + + /* The underlying stream associated with this bit stream. */ + jas_stream_t *stream_; + + /* The mode in which this bit stream was opened. */ + int openmode_; + +} jpc_bitstream_t; + +/******************************************************************************\ +* Functions/macros for opening and closing bit streams.. +\******************************************************************************/ + +/* Open a stream as a bit stream. */ +jpc_bitstream_t *jpc_bitstream_sopen(jas_stream_t *stream, char *mode); + +/* Close a bit stream. */ +int jpc_bitstream_close(jpc_bitstream_t *bitstream); + +/******************************************************************************\ +* Functions/macros for reading from and writing to bit streams.. +\******************************************************************************/ + +/* Read a bit from a bit stream. */ +#if defined(DEBUG) +#define jpc_bitstream_getbit(bitstream) \ + jpc_bitstream_getbit_func(bitstream) +#else +#define jpc_bitstream_getbit(bitstream) \ + jpc_bitstream_getbit_macro(bitstream) +#endif + +/* Write a bit to a bit stream. */ +#if defined(DEBUG) +#define jpc_bitstream_putbit(bitstream, v) \ + jpc_bitstream_putbit_func(bitstream, v) +#else +#define jpc_bitstream_putbit(bitstream, v) \ + jpc_bitstream_putbit_macro(bitstream, v) +#endif + +/* Read one or more bits from a bit stream. */ +long jpc_bitstream_getbits(jpc_bitstream_t *bitstream, int n); + +/* Write one or more bits to a bit stream. */ +int jpc_bitstream_putbits(jpc_bitstream_t *bitstream, int n, long v); + +/******************************************************************************\ +* Functions/macros for flushing and aligning bit streams. +\******************************************************************************/ + +/* Align the current position within the bit stream to the next byte + boundary. */ +int jpc_bitstream_align(jpc_bitstream_t *bitstream); + +/* Align the current position in the bit stream with the next byte boundary, + ensuring that certain bits consumed in the process match a particular + pattern. */ +int jpc_bitstream_inalign(jpc_bitstream_t *bitstream, int fillmask, + int filldata); + +/* Align the current position in the bit stream with the next byte boundary, + writing bits from the specified pattern (if necessary) in the process. */ +int jpc_bitstream_outalign(jpc_bitstream_t *bitstream, int filldata); + +/* Check if a bit stream needs alignment. */ +int jpc_bitstream_needalign(jpc_bitstream_t *bitstream); + +/* How many additional bytes would be output if the bit stream was aligned? */ +int jpc_bitstream_pending(jpc_bitstream_t *bitstream); + +/******************************************************************************\ +* Functions/macros for querying state information for bit streams. +\******************************************************************************/ + +/* Has EOF been encountered on a bit stream? */ +#define jpc_bitstream_eof(bitstream) \ + ((bitstream)->flags_ & JPC_BITSTREAM_EOF) + +/******************************************************************************\ +* Internals. +\******************************************************************************/ + +/* DO NOT DIRECTLY INVOKE ANY OF THE MACROS OR FUNCTIONS BELOW. THEY ARE + FOR INTERNAL USE ONLY. */ + +int jpc_bitstream_getbit_func(jpc_bitstream_t *bitstream); + +int jpc_bitstream_putbit_func(jpc_bitstream_t *bitstream, int v); + +int jpc_bitstream_fillbuf(jpc_bitstream_t *bitstream); + +#define jpc_bitstream_getbit_macro(bitstream) \ + (assert((bitstream)->openmode_ & JPC_BITSTREAM_READ), \ + (--(bitstream)->cnt_ >= 0) ? \ + ((int)(((bitstream)->buf_ >> (bitstream)->cnt_) & 1)) : \ + jpc_bitstream_fillbuf(bitstream)) + +#define jpc_bitstream_putbit_macro(bitstream, bit) \ + (assert((bitstream)->openmode_ & JPC_BITSTREAM_WRITE), \ + (--(bitstream)->cnt_ < 0) ? \ + ((bitstream)->buf_ = ((bitstream)->buf_ << 8) & 0xffff, \ + (bitstream)->cnt_ = ((bitstream)->buf_ == 0xff00) ? 6 : 7, \ + (bitstream)->buf_ |= ((bit) & 1) << (bitstream)->cnt_, \ + (jas_stream_putc((bitstream)->stream_, (bitstream)->buf_ >> 8) == EOF) \ + ? (EOF) : ((bit) & 1)) : \ + ((bitstream)->buf_ |= ((bit) & 1) << (bitstream)->cnt_, \ + (bit) & 1)) + +#endif diff --git a/src/libjasper/jpc/jpc_cod.h b/src/libjasper/jpc/jpc_cod.h new file mode 100644 index 0000000..31325e2 --- /dev/null +++ b/src/libjasper/jpc/jpc_cod.h @@ -0,0 +1,78 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * $Id: jpc_cod.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_COD_H +#define JPC_COD_H + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* The nominal word size used by this implementation. */ +#define JPC_PREC 32 + +#endif diff --git a/src/libjasper/jpc/jpc_cs.c b/src/libjasper/jpc/jpc_cs.c new file mode 100644 index 0000000..0bd8400 --- /dev/null +++ b/src/libjasper/jpc/jpc_cs.c @@ -0,0 +1,1644 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * JPEG-2000 Code Stream Library + * + * $Id: jpc_cs.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdlib.h> +#include <assert.h> +#include <ctype.h> + +#include "jasper/jas_malloc.h" +#include "jasper/jas_debug.h" + +#include "jpc_cs.h" + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* Marker segment table entry. */ +typedef struct { + int id; + char *name; + jpc_msops_t ops; +} jpc_mstabent_t; + +/******************************************************************************\ +* Local prototypes. +\******************************************************************************/ + +static jpc_mstabent_t *jpc_mstab_lookup(int id); + +static int jpc_poc_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_poc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_poc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static void jpc_poc_destroyparms(jpc_ms_t *ms); + +static int jpc_unk_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static int jpc_sot_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static int jpc_siz_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static int jpc_cod_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static int jpc_coc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static int jpc_qcd_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static int jpc_qcc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static int jpc_rgn_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static int jpc_sop_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static int jpc_ppm_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static int jpc_ppt_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static int jpc_crg_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); +static int jpc_com_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); + +static int jpc_sot_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_siz_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_cod_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_coc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_qcd_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_qcc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_rgn_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_unk_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_sop_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_ppm_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_ppt_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_crg_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); +static int jpc_com_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); + +static int jpc_sot_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_siz_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_cod_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_coc_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_qcd_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_qcc_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_rgn_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_unk_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_sop_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_ppm_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_ppt_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_crg_dumpparms(jpc_ms_t *ms, FILE *out); +static int jpc_com_dumpparms(jpc_ms_t *ms, FILE *out); + +static void jpc_siz_destroyparms(jpc_ms_t *ms); +static void jpc_qcd_destroyparms(jpc_ms_t *ms); +static void jpc_qcc_destroyparms(jpc_ms_t *ms); +static void jpc_cod_destroyparms(jpc_ms_t *ms); +static void jpc_coc_destroyparms(jpc_ms_t *ms); +static void jpc_unk_destroyparms(jpc_ms_t *ms); +static void jpc_ppm_destroyparms(jpc_ms_t *ms); +static void jpc_ppt_destroyparms(jpc_ms_t *ms); +static void jpc_crg_destroyparms(jpc_ms_t *ms); +static void jpc_com_destroyparms(jpc_ms_t *ms); + +static void jpc_qcx_destroycompparms(jpc_qcxcp_t *compparms); +static int jpc_qcx_getcompparms(jpc_qcxcp_t *compparms, jpc_cstate_t *cstate, + jas_stream_t *in, uint_fast16_t len); +static int jpc_qcx_putcompparms(jpc_qcxcp_t *compparms, jpc_cstate_t *cstate, + jas_stream_t *out); +static void jpc_cox_destroycompparms(jpc_coxcp_t *compparms); +static int jpc_cox_getcompparms(jpc_ms_t *ms, jpc_cstate_t *cstate, + jas_stream_t *in, int prtflag, jpc_coxcp_t *compparms); +static int jpc_cox_putcompparms(jpc_ms_t *ms, jpc_cstate_t *cstate, + jas_stream_t *out, int prtflag, jpc_coxcp_t *compparms); + +/******************************************************************************\ +* Global data. +\******************************************************************************/ + +static jpc_mstabent_t jpc_mstab[] = { + {JPC_MS_SOC, "SOC", {0, 0, 0, 0}}, + {JPC_MS_SOT, "SOT", {0, jpc_sot_getparms, jpc_sot_putparms, + jpc_sot_dumpparms}}, + {JPC_MS_SOD, "SOD", {0, 0, 0, 0}}, + {JPC_MS_EOC, "EOC", {0, 0, 0, 0}}, + {JPC_MS_SIZ, "SIZ", {jpc_siz_destroyparms, jpc_siz_getparms, + jpc_siz_putparms, jpc_siz_dumpparms}}, + {JPC_MS_COD, "COD", {jpc_cod_destroyparms, jpc_cod_getparms, + jpc_cod_putparms, jpc_cod_dumpparms}}, + {JPC_MS_COC, "COC", {jpc_coc_destroyparms, jpc_coc_getparms, + jpc_coc_putparms, jpc_coc_dumpparms}}, + {JPC_MS_RGN, "RGN", {0, jpc_rgn_getparms, jpc_rgn_putparms, + jpc_rgn_dumpparms}}, + {JPC_MS_QCD, "QCD", {jpc_qcd_destroyparms, jpc_qcd_getparms, + jpc_qcd_putparms, jpc_qcd_dumpparms}}, + {JPC_MS_QCC, "QCC", {jpc_qcc_destroyparms, jpc_qcc_getparms, + jpc_qcc_putparms, jpc_qcc_dumpparms}}, + {JPC_MS_POC, "POC", {jpc_poc_destroyparms, jpc_poc_getparms, + jpc_poc_putparms, jpc_poc_dumpparms}}, + {JPC_MS_TLM, "TLM", {0, jpc_unk_getparms, jpc_unk_putparms, 0}}, + {JPC_MS_PLM, "PLM", {0, jpc_unk_getparms, jpc_unk_putparms, 0}}, + {JPC_MS_PPM, "PPM", {jpc_ppm_destroyparms, jpc_ppm_getparms, + jpc_ppm_putparms, jpc_ppm_dumpparms}}, + {JPC_MS_PPT, "PPT", {jpc_ppt_destroyparms, jpc_ppt_getparms, + jpc_ppt_putparms, jpc_ppt_dumpparms}}, + {JPC_MS_SOP, "SOP", {0, jpc_sop_getparms, jpc_sop_putparms, + jpc_sop_dumpparms}}, + {JPC_MS_EPH, "EPH", {0, 0, 0, 0}}, + {JPC_MS_CRG, "CRG", {0, jpc_crg_getparms, jpc_crg_putparms, + jpc_crg_dumpparms}}, + {JPC_MS_COM, "COM", {jpc_com_destroyparms, jpc_com_getparms, + jpc_com_putparms, jpc_com_dumpparms}}, + {-1, "UNKNOWN", {jpc_unk_destroyparms, jpc_unk_getparms, + jpc_unk_putparms, jpc_unk_dumpparms}} +}; + +/******************************************************************************\ +* Code stream manipulation functions. +\******************************************************************************/ + +/* Create a code stream state object. */ +jpc_cstate_t *jpc_cstate_create() +{ + jpc_cstate_t *cstate; + if (!(cstate = jas_malloc(sizeof(jpc_cstate_t)))) { + return 0; + } + cstate->numcomps = 0; + return cstate; +} + +/* Destroy a code stream state object. */ +void jpc_cstate_destroy(jpc_cstate_t *cstate) +{ + jas_free(cstate); +} + +/* Read a marker segment from a stream. */ +jpc_ms_t *jpc_getms(jas_stream_t *in, jpc_cstate_t *cstate) +{ + jpc_ms_t *ms; + jpc_mstabent_t *mstabent; + jas_stream_t *tmpstream; + + if (!(ms = jpc_ms_create(0))) { + return 0; + } + + /* Get the marker type. */ + if (jpc_getuint16(in, &ms->id) || ms->id < JPC_MS_MIN || + ms->id > JPC_MS_MAX) { + jpc_ms_destroy(ms); + return 0; + } + + mstabent = jpc_mstab_lookup(ms->id); + ms->ops = &mstabent->ops; + + /* Get the marker segment length and parameters if present. */ + /* Note: It is tacitly assumed that a marker segment cannot have + parameters unless it has a length field. That is, there cannot + be a parameters field without a length field and vice versa. */ + if (JPC_MS_HASPARMS(ms->id)) { + /* Get the length of the marker segment. */ + if (jpc_getuint16(in, &ms->len) || ms->len < 3) { + jpc_ms_destroy(ms); + return 0; + } + /* Calculate the length of the marker segment parameters. */ + ms->len -= 2; + /* Create and prepare a temporary memory stream from which to + read the marker segment parameters. */ + /* Note: This approach provides a simple way of ensuring that + we never read beyond the end of the marker segment (even if + the marker segment length is errantly set too small). */ + if (!(tmpstream = jas_stream_memopen(0, 0))) { + jpc_ms_destroy(ms); + return 0; + } + if (jas_stream_copy(tmpstream, in, ms->len) || + jas_stream_seek(tmpstream, 0, SEEK_SET) < 0) { + jas_stream_close(tmpstream); + jpc_ms_destroy(ms); + return 0; + } + /* Get the marker segment parameters. */ + if ((*ms->ops->getparms)(ms, cstate, tmpstream)) { + ms->ops = 0; + jpc_ms_destroy(ms); + jas_stream_close(tmpstream); + return 0; + } + + if (jas_getdbglevel() > 0) { + jpc_ms_dump(ms, stderr); + } + + if (JAS_CAST(unsigned long, jas_stream_tell(tmpstream)) != ms->len) { /* IMLIB - changed ulong to unsigned long */ + jas_eprintf("warning: trailing garbage in marker segment (%ld bytes)\n", + ms->len - jas_stream_tell(tmpstream)); + } + + /* Close the temporary stream. */ + jas_stream_close(tmpstream); + + } else { + /* There are no marker segment parameters. */ + ms->len = 0; + + if (jas_getdbglevel() > 0) { + jpc_ms_dump(ms, stderr); + } + } + + /* Update the code stream state information based on the type of + marker segment read. */ + /* Note: This is a bit of a hack, but I'm not going to define another + type of virtual function for this one special case. */ + if (ms->id == JPC_MS_SIZ) { + cstate->numcomps = ms->parms.siz.numcomps; + } + + return ms; +} + +/* Write a marker segment to a stream. */ +int jpc_putms(jas_stream_t *out, jpc_cstate_t *cstate, jpc_ms_t *ms) +{ + jas_stream_t *tmpstream; + int len; + + /* Output the marker segment type. */ + if (jpc_putuint16(out, ms->id)) { + return -1; + } + + /* Output the marker segment length and parameters if necessary. */ + if (ms->ops->putparms) { + /* Create a temporary stream in which to buffer the + parameter data. */ + if (!(tmpstream = jas_stream_memopen(0, 0))) { + return -1; + } + if ((*ms->ops->putparms)(ms, cstate, tmpstream)) { + jas_stream_close(tmpstream); + return -1; + } + /* Get the number of bytes of parameter data written. */ + if ((len = jas_stream_tell(tmpstream)) < 0) { + jas_stream_close(tmpstream); + return -1; + } + ms->len = len; + /* Write the marker segment length and parameter data to + the output stream. */ + if (jas_stream_seek(tmpstream, 0, SEEK_SET) < 0 || + jpc_putuint16(out, ms->len + 2) || + jas_stream_copy(out, tmpstream, ms->len) < 0) { + jas_stream_close(tmpstream); + return -1; + } + /* Close the temporary stream. */ + jas_stream_close(tmpstream); + } + + /* This is a bit of a hack, but I'm not going to define another + type of virtual function for this one special case. */ + if (ms->id == JPC_MS_SIZ) { + cstate->numcomps = ms->parms.siz.numcomps; + } + + if (jas_getdbglevel() > 0) { + jpc_ms_dump(ms, stderr); + } + + return 0; +} + +/******************************************************************************\ +* Marker segment operations. +\******************************************************************************/ + +/* Create a marker segment of the specified type. */ +jpc_ms_t *jpc_ms_create(int type) +{ + jpc_ms_t *ms; + jpc_mstabent_t *mstabent; + + if (!(ms = jas_malloc(sizeof(jpc_ms_t)))) { + return 0; + } + ms->id = type; + ms->len = 0; + mstabent = jpc_mstab_lookup(ms->id); + ms->ops = &mstabent->ops; + memset(&ms->parms, 0, sizeof(jpc_msparms_t)); + return ms; +} + +/* Destroy a marker segment. */ +void jpc_ms_destroy(jpc_ms_t *ms) +{ + if (ms->ops && ms->ops->destroyparms) { + (*ms->ops->destroyparms)(ms); + } + jas_free(ms); +} + +/* Dump a marker segment to a stream for debugging. */ +void jpc_ms_dump(jpc_ms_t *ms, FILE *out) +{ + jpc_mstabent_t *mstabent; + mstabent = jpc_mstab_lookup(ms->id); + fprintf(out, "type = 0x%04x (%s);", ms->id, mstabent->name); + if (JPC_MS_HASPARMS(ms->id)) { + fprintf(out, " len = %d;", ms->len + 2); + if (ms->ops->dumpparms) { + (*ms->ops->dumpparms)(ms, out); + } else { + fprintf(out, "\n"); + } + } else { + fprintf(out, "\n"); + } +} + +/******************************************************************************\ +* SOT marker segment operations. +\******************************************************************************/ + +static int jpc_sot_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_sot_t *sot = &ms->parms.sot; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + if (jpc_getuint16(in, &sot->tileno) || + jpc_getuint32(in, &sot->len) || + jpc_getuint8(in, &sot->partno) || + jpc_getuint8(in, &sot->numparts)) { + return -1; + } + if (jas_stream_eof(in)) { + return -1; + } + return 0; +} + +static int jpc_sot_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_sot_t *sot = &ms->parms.sot; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + if (jpc_putuint16(out, sot->tileno) || + jpc_putuint32(out, sot->len) || + jpc_putuint8(out, sot->partno) || + jpc_putuint8(out, sot->numparts)) { + return -1; + } + return 0; +} + +static int jpc_sot_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_sot_t *sot = &ms->parms.sot; + fprintf(out, "tileno = %d; len = %d; partno = %d; numparts = %d\n", + sot->tileno, sot->len, sot->partno, sot->numparts); + return 0; +} + +/******************************************************************************\ +* SIZ marker segment operations. +\******************************************************************************/ + +static void jpc_siz_destroyparms(jpc_ms_t *ms) +{ + jpc_siz_t *siz = &ms->parms.siz; + if (siz->comps) { + jas_free(siz->comps); + } +} + +static int jpc_siz_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, + jas_stream_t *in) +{ + jpc_siz_t *siz = &ms->parms.siz; + unsigned int i; + uint_fast8_t tmp; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + if (jpc_getuint16(in, &siz->caps) || + jpc_getuint32(in, &siz->width) || + jpc_getuint32(in, &siz->height) || + jpc_getuint32(in, &siz->xoff) || + jpc_getuint32(in, &siz->yoff) || + jpc_getuint32(in, &siz->tilewidth) || + jpc_getuint32(in, &siz->tileheight) || + jpc_getuint32(in, &siz->tilexoff) || + jpc_getuint32(in, &siz->tileyoff) || + jpc_getuint16(in, &siz->numcomps)) { + return -1; + } + if (!siz->width || !siz->height || !siz->tilewidth || + !siz->tileheight || !siz->numcomps) { + return -1; + } + if (!(siz->comps = jas_malloc(siz->numcomps * sizeof(jpc_sizcomp_t)))) { + return -1; + } + for (i = 0; i < siz->numcomps; ++i) { + if (jpc_getuint8(in, &tmp) || + jpc_getuint8(in, &siz->comps[i].hsamp) || + jpc_getuint8(in, &siz->comps[i].vsamp)) { + jas_free(siz->comps); + return -1; + } + siz->comps[i].sgnd = (tmp >> 7) & 1; + siz->comps[i].prec = (tmp & 0x7f) + 1; + } + if (jas_stream_eof(in)) { + jas_free(siz->comps); + return -1; + } + return 0; +} + +static int jpc_siz_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_siz_t *siz = &ms->parms.siz; + unsigned int i; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + assert(siz->width && siz->height && siz->tilewidth && + siz->tileheight && siz->numcomps); + if (jpc_putuint16(out, siz->caps) || + jpc_putuint32(out, siz->width) || + jpc_putuint32(out, siz->height) || + jpc_putuint32(out, siz->xoff) || + jpc_putuint32(out, siz->yoff) || + jpc_putuint32(out, siz->tilewidth) || + jpc_putuint32(out, siz->tileheight) || + jpc_putuint32(out, siz->tilexoff) || + jpc_putuint32(out, siz->tileyoff) || + jpc_putuint16(out, siz->numcomps)) { + return -1; + } + for (i = 0; i < siz->numcomps; ++i) { + if (jpc_putuint8(out, ((siz->comps[i].sgnd & 1) << 7) | + ((siz->comps[i].prec - 1) & 0x7f)) || + jpc_putuint8(out, siz->comps[i].hsamp) || + jpc_putuint8(out, siz->comps[i].vsamp)) { + return -1; + } + } + return 0; +} + +static int jpc_siz_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_siz_t *siz = &ms->parms.siz; + unsigned int i; + fprintf(out, "caps = 0x%02x;\n", siz->caps); + fprintf(out, "width = %d; height = %d; xoff = %d; yoff = %d;\n", + siz->width, siz->height, siz->xoff, siz->yoff); + fprintf(out, "tilewidth = %d; tileheight = %d; tilexoff = %d; " + "tileyoff = %d;\n", siz->tilewidth, siz->tileheight, siz->tilexoff, + siz->tileyoff); + for (i = 0; i < siz->numcomps; ++i) { + fprintf(out, "prec[%d] = %d; sgnd[%d] = %d; hsamp[%d] = %d; " + "vsamp[%d] = %d\n", i, siz->comps[i].prec, i, + siz->comps[i].sgnd, i, siz->comps[i].hsamp, i, + siz->comps[i].vsamp); + } + return 0; +} + +/******************************************************************************\ +* COD marker segment operations. +\******************************************************************************/ + +static void jpc_cod_destroyparms(jpc_ms_t *ms) +{ + jpc_cod_t *cod = &ms->parms.cod; + jpc_cox_destroycompparms(&cod->compparms); +} + +static int jpc_cod_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_cod_t *cod = &ms->parms.cod; + if (jpc_getuint8(in, &cod->csty)) { + return -1; + } + if (jpc_getuint8(in, &cod->prg) || + jpc_getuint16(in, &cod->numlyrs) || + jpc_getuint8(in, &cod->mctrans)) { + return -1; + } + if (jpc_cox_getcompparms(ms, cstate, in, + (cod->csty & JPC_COX_PRT) != 0, &cod->compparms)) { + return -1; + } + if (jas_stream_eof(in)) { + jpc_cod_destroyparms(ms); + return -1; + } + return 0; +} + +static int jpc_cod_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_cod_t *cod = &ms->parms.cod; + assert(cod->numlyrs > 0 && cod->compparms.numdlvls <= 32); + assert(cod->compparms.numdlvls == cod->compparms.numrlvls - 1); + if (jpc_putuint8(out, cod->compparms.csty) || + jpc_putuint8(out, cod->prg) || + jpc_putuint16(out, cod->numlyrs) || + jpc_putuint8(out, cod->mctrans)) { + return -1; + } + if (jpc_cox_putcompparms(ms, cstate, out, + (cod->csty & JPC_COX_PRT) != 0, &cod->compparms)) { + return -1; + } + return 0; +} + +static int jpc_cod_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_cod_t *cod = &ms->parms.cod; + int i; + fprintf(out, "csty = 0x%02x;\n", cod->compparms.csty); + fprintf(out, "numdlvls = %d; qmfbid = %d; mctrans = %d\n", + cod->compparms.numdlvls, cod->compparms.qmfbid, cod->mctrans); + fprintf(out, "prg = %d; numlyrs = %d;\n", + cod->prg, cod->numlyrs); + fprintf(out, "cblkwidthval = %d; cblkheightval = %d; " + "cblksty = 0x%02x;\n", cod->compparms.cblkwidthval, cod->compparms.cblkheightval, + cod->compparms.cblksty); + if (cod->csty & JPC_COX_PRT) { + for (i = 0; i < cod->compparms.numrlvls; ++i) { + jas_eprintf("prcwidth[%d] = %d, prcheight[%d] = %d\n", + i, cod->compparms.rlvls[i].parwidthval, + i, cod->compparms.rlvls[i].parheightval); + } + } + return 0; +} + +/******************************************************************************\ +* COC marker segment operations. +\******************************************************************************/ + +static void jpc_coc_destroyparms(jpc_ms_t *ms) +{ + jpc_coc_t *coc = &ms->parms.coc; + jpc_cox_destroycompparms(&coc->compparms); +} + +static int jpc_coc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_coc_t *coc = &ms->parms.coc; + uint_fast8_t tmp; + if (cstate->numcomps <= 256) { + if (jpc_getuint8(in, &tmp)) { + return -1; + } + coc->compno = tmp; + } else { + if (jpc_getuint16(in, &coc->compno)) { + return -1; + } + } + if (jpc_getuint8(in, &coc->compparms.csty)) { + return -1; + } + if (jpc_cox_getcompparms(ms, cstate, in, + (coc->compparms.csty & JPC_COX_PRT) != 0, &coc->compparms)) { + return -1; + } + if (jas_stream_eof(in)) { + return -1; + } + return 0; +} + +static int jpc_coc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_coc_t *coc = &ms->parms.coc; + assert(coc->compparms.numdlvls <= 32); + if (cstate->numcomps <= 256) { + if (jpc_putuint8(out, coc->compno)) { + return -1; + } + } else { + if (jpc_putuint16(out, coc->compno)) { + return -1; + } + } + if (jpc_putuint8(out, coc->compparms.csty)) { + return -1; + } + if (jpc_cox_putcompparms(ms, cstate, out, + (coc->compparms.csty & JPC_COX_PRT) != 0, &coc->compparms)) { + return -1; + } + return 0; +} + +static int jpc_coc_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_coc_t *coc = &ms->parms.coc; + fprintf(out, "compno = %d; csty = 0x%02x; numdlvls = %d;\n", + coc->compno, coc->compparms.csty, coc->compparms.numdlvls); + fprintf(out, "cblkwidthval = %d; cblkheightval = %d; " + "cblksty = 0x%02x; qmfbid = %d;\n", coc->compparms.cblkwidthval, + coc->compparms.cblkheightval, coc->compparms.cblksty, coc->compparms.qmfbid); + return 0; +} +/******************************************************************************\ +* COD/COC marker segment operation helper functions. +\******************************************************************************/ + +static void jpc_cox_destroycompparms(jpc_coxcp_t *compparms) +{ + /* Eliminate compiler warning about unused variables. */ + compparms = 0; +} + +static int jpc_cox_getcompparms(jpc_ms_t *ms, jpc_cstate_t *cstate, + jas_stream_t *in, int prtflag, jpc_coxcp_t *compparms) +{ + uint_fast8_t tmp; + int i; + + /* Eliminate compiler warning about unused variables. */ + ms = 0; + cstate = 0; + + if (jpc_getuint8(in, &compparms->numdlvls) || + jpc_getuint8(in, &compparms->cblkwidthval) || + jpc_getuint8(in, &compparms->cblkheightval) || + jpc_getuint8(in, &compparms->cblksty) || + jpc_getuint8(in, &compparms->qmfbid)) { + return -1; + } + compparms->numrlvls = compparms->numdlvls + 1; + if (prtflag) { + for (i = 0; i < compparms->numrlvls; ++i) { + if (jpc_getuint8(in, &tmp)) { + jpc_cox_destroycompparms(compparms); + return -1; + } + compparms->rlvls[i].parwidthval = tmp & 0xf; + compparms->rlvls[i].parheightval = (tmp >> 4) & 0xf; + } +/* Sigh. This bit should be in the same field in both COC and COD mrk segs. */ +compparms->csty |= JPC_COX_PRT; + } else { + } + if (jas_stream_eof(in)) { + jpc_cox_destroycompparms(compparms); + return -1; + } + return 0; +} + +static int jpc_cox_putcompparms(jpc_ms_t *ms, jpc_cstate_t *cstate, + jas_stream_t *out, int prtflag, jpc_coxcp_t *compparms) +{ + int i; + assert(compparms->numdlvls <= 32); + + /* Eliminate compiler warning about unused variables. */ + ms = 0; + cstate = 0; + + if (jpc_putuint8(out, compparms->numdlvls) || + jpc_putuint8(out, compparms->cblkwidthval) || + jpc_putuint8(out, compparms->cblkheightval) || + jpc_putuint8(out, compparms->cblksty) || + jpc_putuint8(out, compparms->qmfbid)) { + return -1; + } + if (prtflag) { + for (i = 0; i < compparms->numrlvls; ++i) { + if (jpc_putuint8(out, + ((compparms->rlvls[i].parheightval & 0xf) << 4) | + (compparms->rlvls[i].parwidthval & 0xf))) { + return -1; + } + } + } + return 0; +} + +/******************************************************************************\ +* RGN marker segment operations. +\******************************************************************************/ + +static int jpc_rgn_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_rgn_t *rgn = &ms->parms.rgn; + uint_fast8_t tmp; + if (cstate->numcomps <= 256) { + if (jpc_getuint8(in, &tmp)) { + return -1; + } + rgn->compno = tmp; + } else { + if (jpc_getuint16(in, &rgn->compno)) { + return -1; + } + } + if (jpc_getuint8(in, &rgn->roisty) || + jpc_getuint8(in, &rgn->roishift)) { + return -1; + } + return 0; +} + +static int jpc_rgn_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_rgn_t *rgn = &ms->parms.rgn; + if (cstate->numcomps <= 256) { + if (jpc_putuint8(out, rgn->compno)) { + return -1; + } + } else { + if (jpc_putuint16(out, rgn->compno)) { + return -1; + } + } + if (jpc_putuint8(out, rgn->roisty) || + jpc_putuint8(out, rgn->roishift)) { + return -1; + } + return 0; +} + +static int jpc_rgn_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_rgn_t *rgn = &ms->parms.rgn; + fprintf(out, "compno = %d; roisty = %d; roishift = %d\n", + rgn->compno, rgn->roisty, rgn->roishift); + return 0; +} + +/******************************************************************************\ +* QCD marker segment operations. +\******************************************************************************/ + +static void jpc_qcd_destroyparms(jpc_ms_t *ms) +{ + jpc_qcd_t *qcd = &ms->parms.qcd; + jpc_qcx_destroycompparms(&qcd->compparms); +} + +static int jpc_qcd_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_qcxcp_t *compparms = &ms->parms.qcd.compparms; + return jpc_qcx_getcompparms(compparms, cstate, in, ms->len); +} + +static int jpc_qcd_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_qcxcp_t *compparms = &ms->parms.qcd.compparms; + return jpc_qcx_putcompparms(compparms, cstate, out); +} + +static int jpc_qcd_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_qcd_t *qcd = &ms->parms.qcd; + int i; + fprintf(out, "qntsty = %d; numguard = %d; numstepsizes = %d\n", + (int) qcd->compparms.qntsty, qcd->compparms.numguard, qcd->compparms.numstepsizes); + for (i = 0; i < qcd->compparms.numstepsizes; ++i) { + fprintf(out, "expn[%d] = 0x%04x; mant[%d] = 0x%04x;\n", + i, (unsigned) JPC_QCX_GETEXPN(qcd->compparms.stepsizes[i]), + i, (unsigned) JPC_QCX_GETMANT(qcd->compparms.stepsizes[i])); + } + return 0; +} + +/******************************************************************************\ +* QCC marker segment operations. +\******************************************************************************/ + +static void jpc_qcc_destroyparms(jpc_ms_t *ms) +{ + jpc_qcc_t *qcc = &ms->parms.qcc; + jpc_qcx_destroycompparms(&qcc->compparms); +} + +static int jpc_qcc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_qcc_t *qcc = &ms->parms.qcc; + uint_fast8_t tmp; + int len; + len = ms->len; + if (cstate->numcomps <= 256) { + jpc_getuint8(in, &tmp); + qcc->compno = tmp; + --len; + } else { + jpc_getuint16(in, &qcc->compno); + len -= 2; + } + if (jpc_qcx_getcompparms(&qcc->compparms, cstate, in, len)) { + return -1; + } + if (jas_stream_eof(in)) { + jpc_qcc_destroyparms(ms); + return -1; + } + return 0; +} + +static int jpc_qcc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_qcc_t *qcc = &ms->parms.qcc; + if (cstate->numcomps <= 256) { + jpc_putuint8(out, qcc->compno); + } else { + jpc_putuint16(out, qcc->compno); + } + if (jpc_qcx_putcompparms(&qcc->compparms, cstate, out)) { + return -1; + } + return 0; +} + +static int jpc_qcc_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_qcc_t *qcc = &ms->parms.qcc; + int i; + fprintf(out, "compno = %d; qntsty = %d; numguard = %d; " + "numstepsizes = %d\n", qcc->compno, qcc->compparms.qntsty, qcc->compparms.numguard, + qcc->compparms.numstepsizes); + for (i = 0; i < qcc->compparms.numstepsizes; ++i) { + fprintf(out, "expn[%d] = 0x%04x; mant[%d] = 0x%04x;\n", + i, (unsigned) JPC_QCX_GETEXPN(qcc->compparms.stepsizes[i]), + i, (unsigned) JPC_QCX_GETMANT(qcc->compparms.stepsizes[i])); + } + return 0; +} + +/******************************************************************************\ +* QCD/QCC marker segment helper functions. +\******************************************************************************/ + +static void jpc_qcx_destroycompparms(jpc_qcxcp_t *compparms) +{ + if (compparms->stepsizes) { + jas_free(compparms->stepsizes); + } +} + +static int jpc_qcx_getcompparms(jpc_qcxcp_t *compparms, jpc_cstate_t *cstate, + jas_stream_t *in, uint_fast16_t len) +{ + uint_fast8_t tmp; + int n; + int i; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + n = 0; + jpc_getuint8(in, &tmp); + ++n; + compparms->qntsty = tmp & 0x1f; + compparms->numguard = (tmp >> 5) & 7; + switch (compparms->qntsty) { + case JPC_QCX_SIQNT: + compparms->numstepsizes = 1; + break; + case JPC_QCX_NOQNT: + compparms->numstepsizes = (len - n); + break; + case JPC_QCX_SEQNT: + /* XXX - this is a hack */ + compparms->numstepsizes = (len - n) / 2; + break; + } + if (compparms->numstepsizes > 0) { + compparms->stepsizes = jas_malloc(compparms->numstepsizes * + sizeof(uint_fast16_t)); + assert(compparms->stepsizes); + for (i = 0; i < compparms->numstepsizes; ++i) { + if (compparms->qntsty == JPC_QCX_NOQNT) { + jpc_getuint8(in, &tmp); + compparms->stepsizes[i] = JPC_QCX_EXPN(tmp >> 3); + } else { + jpc_getuint16(in, &compparms->stepsizes[i]); + } + } + } else { + compparms->stepsizes = 0; + } + if (jas_stream_error(in) || jas_stream_eof(in)) { + jpc_qcx_destroycompparms(compparms); + return -1; + } + return 0; +} + +static int jpc_qcx_putcompparms(jpc_qcxcp_t *compparms, jpc_cstate_t *cstate, + jas_stream_t *out) +{ + int i; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + jpc_putuint8(out, ((compparms->numguard & 7) << 5) | compparms->qntsty); + for (i = 0; i < compparms->numstepsizes; ++i) { + if (compparms->qntsty == JPC_QCX_NOQNT) { + jpc_putuint8(out, JPC_QCX_GETEXPN( + compparms->stepsizes[i]) << 3); + } else { + jpc_putuint16(out, compparms->stepsizes[i]); + } + } + return 0; +} + +/******************************************************************************\ +* SOP marker segment operations. +\******************************************************************************/ + +static int jpc_sop_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_sop_t *sop = &ms->parms.sop; + + /* Eliminate compiler warning about unused variable. */ + cstate = 0; + + if (jpc_getuint16(in, &sop->seqno)) { + return -1; + } + return 0; +} + +static int jpc_sop_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_sop_t *sop = &ms->parms.sop; + + /* Eliminate compiler warning about unused variable. */ + cstate = 0; + + if (jpc_putuint16(out, sop->seqno)) { + return -1; + } + return 0; +} + +static int jpc_sop_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_sop_t *sop = &ms->parms.sop; + fprintf(out, "seqno = %d;\n", sop->seqno); + return 0; +} + +/******************************************************************************\ +* PPM marker segment operations. +\******************************************************************************/ + +static void jpc_ppm_destroyparms(jpc_ms_t *ms) +{ + jpc_ppm_t *ppm = &ms->parms.ppm; + if (ppm->data) { + jas_free(ppm->data); + } +} + +static int jpc_ppm_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_ppm_t *ppm = &ms->parms.ppm; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + ppm->data = 0; + + if (ms->len < 1) { + goto error; + } + if (jpc_getuint8(in, &ppm->ind)) { + goto error; + } + + ppm->len = ms->len - 1; + if (ppm->len > 0) { + if (!(ppm->data = jas_malloc(ppm->len * sizeof(unsigned char)))) { + goto error; + } + if (JAS_CAST(unsigned int, jas_stream_read(in, ppm->data, ppm->len)) != ppm->len) { /* IMLIB - changed uint to unsigned int */ + goto error; + } + } else { + ppm->data = 0; + } + return 0; + +error: + jpc_ppm_destroyparms(ms); + return -1; +} + +static int jpc_ppm_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_ppm_t *ppm = &ms->parms.ppm; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + if (JAS_CAST(unsigned int, jas_stream_write(out, (char *) ppm->data, ppm->len)) != ppm->len) { /* IMLIB - changed uint to unsigned int */ + return -1; + } + return 0; +} + +static int jpc_ppm_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_ppm_t *ppm = &ms->parms.ppm; + fprintf(out, "ind=%d; len = %d;\n", ppm->ind, ppm->len); + if (ppm->len > 0) { + fprintf(out, "data =\n"); + jas_memdump(out, ppm->data, ppm->len); + } + return 0; +} + +/******************************************************************************\ +* PPT marker segment operations. +\******************************************************************************/ + +static void jpc_ppt_destroyparms(jpc_ms_t *ms) +{ + jpc_ppt_t *ppt = &ms->parms.ppt; + if (ppt->data) { + jas_free(ppt->data); + } +} + +static int jpc_ppt_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_ppt_t *ppt = &ms->parms.ppt; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + ppt->data = 0; + + if (ms->len < 1) { + goto error; + } + if (jpc_getuint8(in, &ppt->ind)) { + goto error; + } + ppt->len = ms->len - 1; + if (ppt->len > 0) { + if (!(ppt->data = jas_malloc(ppt->len * sizeof(unsigned char)))) { + goto error; + } + if (jas_stream_read(in, (char *) ppt->data, ppt->len) != JAS_CAST(int, ppt->len)) { + goto error; + } + } else { + ppt->data = 0; + } + return 0; + +error: + jpc_ppt_destroyparms(ms); + return -1; +} + +static int jpc_ppt_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_ppt_t *ppt = &ms->parms.ppt; + + /* Eliminate compiler warning about unused variable. */ + cstate = 0; + + if (jpc_putuint8(out, ppt->ind)) { + return -1; + } + if (jas_stream_write(out, (char *) ppt->data, ppt->len) != JAS_CAST(int, ppt->len)) { + return -1; + } + return 0; +} + +static int jpc_ppt_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_ppt_t *ppt = &ms->parms.ppt; + fprintf(out, "ind=%d; len = %d;\n", ppt->ind, ppt->len); + if (ppt->len > 0) { + fprintf(out, "data =\n"); + jas_memdump(out, ppt->data, ppt->len); + } + return 0; +} + +/******************************************************************************\ +* POC marker segment operations. +\******************************************************************************/ + +static void jpc_poc_destroyparms(jpc_ms_t *ms) +{ + jpc_poc_t *poc = &ms->parms.poc; + if (poc->pchgs) { + jas_free(poc->pchgs); + } +} + +static int jpc_poc_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_poc_t *poc = &ms->parms.poc; + jpc_pocpchg_t *pchg; + int pchgno; + uint_fast8_t tmp; + poc->numpchgs = (cstate->numcomps > 256) ? (ms->len / 9) : + (ms->len / 7); + if (!(poc->pchgs = jas_malloc(poc->numpchgs * sizeof(jpc_pocpchg_t)))) { + goto error; + } + for (pchgno = 0, pchg = poc->pchgs; pchgno < poc->numpchgs; ++pchgno, + ++pchg) { + if (jpc_getuint8(in, &pchg->rlvlnostart)) { + goto error; + } + if (cstate->numcomps > 256) { + if (jpc_getuint16(in, &pchg->compnostart)) { + goto error; + } + } else { + if (jpc_getuint8(in, &tmp)) { + goto error; + }; + pchg->compnostart = tmp; + } + if (jpc_getuint16(in, &pchg->lyrnoend) || + jpc_getuint8(in, &pchg->rlvlnoend)) { + goto error; + } + if (cstate->numcomps > 256) { + if (jpc_getuint16(in, &pchg->compnoend)) { + goto error; + } + } else { + if (jpc_getuint8(in, &tmp)) { + goto error; + } + pchg->compnoend = tmp; + } + if (jpc_getuint8(in, &pchg->prgord)) { + goto error; + } + if (pchg->rlvlnostart > pchg->rlvlnoend || + pchg->compnostart > pchg->compnoend) { + goto error; + } + } + return 0; + +error: + jpc_poc_destroyparms(ms); + return -1; +} + +static int jpc_poc_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_poc_t *poc = &ms->parms.poc; + jpc_pocpchg_t *pchg; + int pchgno; + for (pchgno = 0, pchg = poc->pchgs; pchgno < poc->numpchgs; ++pchgno, + ++pchg) { + if (jpc_putuint8(out, pchg->rlvlnostart) || + ((cstate->numcomps > 256) ? + jpc_putuint16(out, pchg->compnostart) : + jpc_putuint8(out, pchg->compnostart)) || + jpc_putuint16(out, pchg->lyrnoend) || + jpc_putuint8(out, pchg->rlvlnoend) || + ((cstate->numcomps > 256) ? + jpc_putuint16(out, pchg->compnoend) : + jpc_putuint8(out, pchg->compnoend)) || + jpc_putuint8(out, pchg->prgord)) { + return -1; + } + } + return 0; +} + +static int jpc_poc_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_poc_t *poc = &ms->parms.poc; + jpc_pocpchg_t *pchg; + int pchgno; + for (pchgno = 0, pchg = poc->pchgs; pchgno < poc->numpchgs; + ++pchgno, ++pchg) { + fprintf(out, "po[%d] = %d; ", pchgno, pchg->prgord); + fprintf(out, "cs[%d] = %d; ce[%d] = %d; ", + pchgno, pchg->compnostart, pchgno, pchg->compnoend); + fprintf(out, "rs[%d] = %d; re[%d] = %d; ", + pchgno, pchg->rlvlnostart, pchgno, pchg->rlvlnoend); + fprintf(out, "le[%d] = %d\n", pchgno, pchg->lyrnoend); + } + return 0; +} + +/******************************************************************************\ +* CRG marker segment operations. +\******************************************************************************/ + +static void jpc_crg_destroyparms(jpc_ms_t *ms) +{ + jpc_crg_t *crg = &ms->parms.crg; + if (crg->comps) { + jas_free(crg->comps); + } +} + +static int jpc_crg_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_crg_t *crg = &ms->parms.crg; + jpc_crgcomp_t *comp; + uint_fast16_t compno; + crg->numcomps = cstate->numcomps; + if (!(crg->comps = jas_malloc(cstate->numcomps * sizeof(uint_fast16_t)))) { + return -1; + } + for (compno = 0, comp = crg->comps; compno < cstate->numcomps; + ++compno, ++comp) { + if (jpc_getuint16(in, &comp->hoff) || + jpc_getuint16(in, &comp->voff)) { + jpc_crg_destroyparms(ms); + return -1; + } + } + return 0; +} + +static int jpc_crg_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_crg_t *crg = &ms->parms.crg; + int compno; + jpc_crgcomp_t *comp; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + for (compno = 0, comp = crg->comps; compno < crg->numcomps; ++compno, + ++comp) { + if (jpc_putuint16(out, comp->hoff) || + jpc_putuint16(out, comp->voff)) { + return -1; + } + } + return 0; +} + +static int jpc_crg_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_crg_t *crg = &ms->parms.crg; + int compno; + jpc_crgcomp_t *comp; + for (compno = 0, comp = crg->comps; compno < crg->numcomps; ++compno, + ++comp) { + fprintf(out, "hoff[%d] = %d; voff[%d] = %d\n", compno, + comp->hoff, compno, comp->voff); + } + return 0; +} + +/******************************************************************************\ +* Operations for COM marker segment. +\******************************************************************************/ + +static void jpc_com_destroyparms(jpc_ms_t *ms) +{ + jpc_com_t *com = &ms->parms.com; + if (com->data) { + jas_free(com->data); + } +} + +static int jpc_com_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_com_t *com = &ms->parms.com; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + if (jpc_getuint16(in, &com->regid)) { + return -1; + } + com->len = ms->len - 2; + if (com->len > 0) { + if (!(com->data = jas_malloc(com->len))) { + return -1; + } + if (jas_stream_read(in, com->data, com->len) != JAS_CAST(int, com->len)) { + return -1; + } + } else { + com->data = 0; + } + return 0; +} + +static int jpc_com_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + jpc_com_t *com = &ms->parms.com; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + if (jpc_putuint16(out, com->regid)) { + return -1; + } + if (jas_stream_write(out, com->data, com->len) != JAS_CAST(int, com->len)) { + return -1; + } + return 0; +} + +static int jpc_com_dumpparms(jpc_ms_t *ms, FILE *out) +{ + jpc_com_t *com = &ms->parms.com; + unsigned int i; + int printable; + fprintf(out, "regid = %d;\n", com->regid); + printable = 1; + for (i = 0; i < com->len; ++i) { + if (!isprint(com->data[i])) { + printable = 0; + break; + } + } + if (printable) { + fprintf(out, "data = "); + fwrite(com->data, sizeof(char), com->len, out); + fprintf(out, "\n"); + } + return 0; +} + +/******************************************************************************\ +* Operations for unknown types of marker segments. +\******************************************************************************/ + +static void jpc_unk_destroyparms(jpc_ms_t *ms) +{ + jpc_unk_t *unk = &ms->parms.unk; + if (unk->data) { + jas_free(unk->data); + } +} + +static int jpc_unk_getparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in) +{ + jpc_unk_t *unk = &ms->parms.unk; + + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + + if (ms->len > 0) { + if (!(unk->data = jas_malloc(ms->len * sizeof(unsigned char)))) { + return -1; + } + if (jas_stream_read(in, (char *) unk->data, ms->len) != JAS_CAST(int, ms->len)) { + jas_free(unk->data); + return -1; + } + unk->len = ms->len; + } else { + unk->data = 0; + unk->len = 0; + } + return 0; +} + +static int jpc_unk_putparms(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out) +{ + /* Eliminate compiler warning about unused variables. */ + cstate = 0; + ms = 0; + out = 0; + + /* If this function is called, we are trying to write an unsupported + type of marker segment. Return with an error indication. */ + return -1; +} + +static int jpc_unk_dumpparms(jpc_ms_t *ms, FILE *out) +{ + unsigned int i; + jpc_unk_t *unk = &ms->parms.unk; + for (i = 0; i < unk->len; ++i) { + fprintf(out, "%02x ", unk->data[i]); + } + return 0; +} + +/******************************************************************************\ +* Primitive I/O operations. +\******************************************************************************/ + +int jpc_getuint8(jas_stream_t *in, uint_fast8_t *val) +{ + int c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + if (val) { + *val = c; + } + return 0; +} + +int jpc_putuint8(jas_stream_t *out, uint_fast8_t val) +{ + if (jas_stream_putc(out, val & 0xff) == EOF) { + return -1; + } + return 0; +} + +int jpc_getuint16(jas_stream_t *in, uint_fast16_t *val) +{ + uint_fast16_t v; + int c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = (v << 8) | c; + if (val) { + *val = v; + } + return 0; +} + +int jpc_putuint16(jas_stream_t *out, uint_fast16_t val) +{ + if (jas_stream_putc(out, (val >> 8) & 0xff) == EOF || + jas_stream_putc(out, val & 0xff) == EOF) { + return -1; + } + return 0; +} + +int jpc_getuint32(jas_stream_t *in, uint_fast32_t *val) +{ + uint_fast32_t v; + int c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = (v << 8) | c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = (v << 8) | c; + if ((c = jas_stream_getc(in)) == EOF) { + return -1; + } + v = (v << 8) | c; + if (val) { + *val = v; + } + return 0; +} + +int jpc_putuint32(jas_stream_t *out, uint_fast32_t val) +{ + if (jas_stream_putc(out, (val >> 24) & 0xff) == EOF || + jas_stream_putc(out, (val >> 16) & 0xff) == EOF || + jas_stream_putc(out, (val >> 8) & 0xff) == EOF || + jas_stream_putc(out, val & 0xff) == EOF) { + return -1; + } + return 0; +} + +/******************************************************************************\ +* Miscellany +\******************************************************************************/ + +static jpc_mstabent_t *jpc_mstab_lookup(int id) +{ + jpc_mstabent_t *mstabent; + for (mstabent = jpc_mstab;; ++mstabent) { + if (mstabent->id == id || mstabent->id < 0) { + return mstabent; + } + } + assert(0); + return 0; +} + +int jpc_validate(jas_stream_t *in) +{ + int n; + int i; + unsigned char buf[2]; + + assert(JAS_STREAM_MAXPUTBACK >= 2); + + if ((n = jas_stream_read(in, (char *) buf, 2)) < 0) { + return -1; + } + for (i = n - 1; i >= 0; --i) { + if (jas_stream_ungetc(in, buf[i]) == EOF) { + return -1; + } + } + if (n < 2) { + return -1; + } + if (buf[0] == (JPC_MS_SOC >> 8) && buf[1] == (JPC_MS_SOC & 0xff)) { + return 0; + } + return -1; +} + +int jpc_getdata(jas_stream_t *in, jas_stream_t *out, long len) +{ + return jas_stream_copy(out, in, len); +} + +int jpc_putdata(jas_stream_t *out, jas_stream_t *in, long len) +{ + return jas_stream_copy(out, in, len); +} diff --git a/src/libjasper/jpc/jpc_cs.h b/src/libjasper/jpc/jpc_cs.h new file mode 100644 index 0000000..49140d4 --- /dev/null +++ b/src/libjasper/jpc/jpc_cs.h @@ -0,0 +1,763 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * JPEG-2000 Code Stream Library + * + * $Id: jpc_cs.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_CS_H +#define JPC_CS_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_image.h" +#include "jasper/jas_stream.h" + +#include "jpc_cod.h" + +/******************************************************************************\ +* Constants and Types. +\******************************************************************************/ + +/* The maximum number of resolution levels. */ +#define JPC_MAXRLVLS 33 + +/* The maximum number of bands. */ +#define JPC_MAXBANDS (3 * JPC_MAXRLVLS + 1) + +/* The maximum number of layers. */ +#define JPC_MAXLYRS 16384 + +/**************************************\ +* Code stream. +\**************************************/ + +/* + * Code stream states. + */ + +/* Initial. */ +#define JPC_CS_INIT 0 +/* Main header. */ +#define JPC_CS_MHDR 1 +/* Tile-part header. */ +#define JPC_CS_THDR 2 +/* Main trailer. */ +#define JPC_CS_MTLR 3 +/* Tile-part data. */ +#define JPC_CS_TDATA 4 + +/* + * Unfortunately, the code stream syntax was not designed in such a way that + * any given marker segment can be correctly decoded without additional state + * derived from previously decoded marker segments. + * For example, a RGN/COC/QCC marker segment cannot be decoded unless the + * number of components is known. + */ + +/* + * Code stream state information. + */ + +typedef struct { + + /* The number of components. */ + uint_fast16_t numcomps; + +} jpc_cstate_t; + +/**************************************\ +* SOT marker segment parameters. +\**************************************/ + +typedef struct { + + /* The tile number. */ + uint_fast16_t tileno; + + /* The combined length of the marker segment and its auxilary data + (i.e., packet data). */ + uint_fast32_t len; + + /* The tile-part instance. */ + uint_fast8_t partno; + + /* The number of tile-parts. */ + uint_fast8_t numparts; + +} jpc_sot_t; + +/**************************************\ +* SIZ marker segment parameters. +\**************************************/ + +/* Per component information. */ + +typedef struct { + + /* The precision of the samples. */ + uint_fast8_t prec; + + /* The signedness of the samples. */ + uint_fast8_t sgnd; + + /* The horizontal separation of samples with respect to the reference + grid. */ + uint_fast8_t hsamp; + + /* The vertical separation of samples with respect to the reference + grid. */ + uint_fast8_t vsamp; + +} jpc_sizcomp_t; + +/* SIZ marker segment parameters. */ + +typedef struct { + + /* The code stream capabilities. */ + uint_fast16_t caps; + + /* The width of the image in units of the reference grid. */ + uint_fast32_t width; + + /* The height of the image in units of the reference grid. */ + uint_fast32_t height; + + /* The horizontal offset from the origin of the reference grid to the + left side of the image area. */ + uint_fast32_t xoff; + + /* The vertical offset from the origin of the reference grid to the + top side of the image area. */ + uint_fast32_t yoff; + + /* The nominal width of a tile in units of the reference grid. */ + uint_fast32_t tilewidth; + + /* The nominal height of a tile in units of the reference grid. */ + uint_fast32_t tileheight; + + /* The horizontal offset from the origin of the reference grid to the + left side of the first tile. */ + uint_fast32_t tilexoff; + + /* The vertical offset from the origin of the reference grid to the + top side of the first tile. */ + uint_fast32_t tileyoff; + + /* The number of components. */ + uint_fast16_t numcomps; + + /* The per-component information. */ + jpc_sizcomp_t *comps; + +} jpc_siz_t; + +/**************************************\ +* COD marker segment parameters. +\**************************************/ + +/* + * Coding style constants. + */ + +/* Precincts may be used. */ +#define JPC_COX_PRT 0x01 +/* SOP marker segments may be used. */ +#define JPC_COD_SOP 0x02 +/* EPH marker segments may be used. */ +#define JPC_COD_EPH 0x04 + +/* + * Progression order constants. + */ + +/* Layer-resolution-component-precinct progressive + (i.e., progressive by fidelity). */ +#define JPC_COD_LRCPPRG 0 +/* Resolution-layer-component-precinct progressive + (i.e., progressive by resolution). */ +#define JPC_COD_RLCPPRG 1 +/* Resolution-precinct-component-layer progressive. */ +#define JPC_COD_RPCLPRG 2 +/* Precinct-component-resolution-layer progressive. */ +#define JPC_COD_PCRLPRG 3 +/* Component-position-resolution-layer progressive. */ +#define JPC_COD_CPRLPRG 4 + +/* + * Code block style constants. + */ + +#define JPC_COX_LAZY 0x01 /* Selective arithmetic coding bypass. */ +#define JPC_COX_RESET 0x02 /* Reset context probabilities. */ +#define JPC_COX_TERMALL 0x04 /* Terminate all coding passes. */ +#define JPC_COX_VSC 0x08 /* Vertical stripe causal context formation. */ +#define JPC_COX_PTERM 0x10 /* Predictable termination. */ +#define JPC_COX_SEGSYM 0x20 /* Use segmentation symbols. */ + +/* Transform constants. */ +#define JPC_COX_INS 0x00 /* Irreversible 9/7. */ +#define JPC_COX_RFT 0x01 /* Reversible 5/3. */ + +/* Multicomponent transform constants. */ +#define JPC_COD_NOMCT 0x00 /* No multicomponent transform. */ +#define JPC_COD_MCT 0x01 /* Multicomponent transform. */ + +/* Get the code block size value from the code block size exponent. */ +#define JPC_COX_CBLKSIZEEXPN(x) ((x) - 2) +/* Get the code block size exponent from the code block size value. */ +#define JPC_COX_GETCBLKSIZEEXPN(x) ((x) + 2) + +/* Per resolution-level information. */ + +typedef struct { + + /* The packet partition width. */ + uint_fast8_t parwidthval; + + /* The packet partition height. */ + uint_fast8_t parheightval; + +} jpc_coxrlvl_t; + +/* Per component information. */ + +typedef struct { + + /* The coding style. */ + uint_fast8_t csty; + + /* The number of decomposition levels. */ + uint_fast8_t numdlvls; + + /* The nominal code block width specifier. */ + uint_fast8_t cblkwidthval; + + /* The nominal code block height specifier. */ + uint_fast8_t cblkheightval; + + /* The style of coding passes. */ + uint_fast8_t cblksty; + + /* The QMFB employed. */ + uint_fast8_t qmfbid; + + /* The number of resolution levels. */ + int numrlvls; + + /* The per-resolution-level information. */ + jpc_coxrlvl_t rlvls[JPC_MAXRLVLS]; + +} jpc_coxcp_t; + +/* COD marker segment parameters. */ + +typedef struct { + + /* The general coding style. */ + uint_fast8_t csty; + + /* The progression order. */ + uint_fast8_t prg; + + /* The number of layers. */ + uint_fast16_t numlyrs; + + /* The multicomponent transform. */ + uint_fast8_t mctrans; + + /* Component-related parameters. */ + jpc_coxcp_t compparms; + +} jpc_cod_t; + +/* COC marker segment parameters. */ + +typedef struct { + + /* The component number. */ + uint_fast16_t compno; + + /* Component-related parameters. */ + jpc_coxcp_t compparms; + +} jpc_coc_t; + +/**************************************\ +* RGN marker segment parameters. +\**************************************/ + +/* The maxshift ROI style. */ +#define JPC_RGN_MAXSHIFT 0x00 + +typedef struct { + + /* The component to which the marker applies. */ + uint_fast16_t compno; + + /* The ROI style. */ + uint_fast8_t roisty; + + /* The ROI shift value. */ + uint_fast8_t roishift; + +} jpc_rgn_t; + +/**************************************\ +* QCD/QCC marker segment parameters. +\**************************************/ + +/* + * Quantization style constants. + */ + +#define JPC_QCX_NOQNT 0 /* No quantization. */ +#define JPC_QCX_SIQNT 1 /* Scalar quantization, implicit. */ +#define JPC_QCX_SEQNT 2 /* Scalar quantization, explicit. */ + +/* + * Stepsize manipulation macros. + */ + +#define JPC_QCX_GETEXPN(x) ((x) >> 11) +#define JPC_QCX_GETMANT(x) ((x) & 0x07ff) +#define JPC_QCX_EXPN(x) (assert(!((x) & (~0x1f))), (((x) & 0x1f) << 11)) +#define JPC_QCX_MANT(x) (assert(!((x) & (~0x7ff))), ((x) & 0x7ff)) + +/* Per component information. */ + +typedef struct { + + /* The quantization style. */ + uint_fast8_t qntsty; + + /* The number of step sizes. */ + int numstepsizes; + + /* The step sizes. */ + uint_fast16_t *stepsizes; + + /* The number of guard bits. */ + uint_fast8_t numguard; + +} jpc_qcxcp_t; + +/* QCC marker segment parameters. */ + +typedef struct { + + /* The component associated with this marker segment. */ + uint_fast16_t compno; + + /* The parameters. */ + jpc_qcxcp_t compparms; + +} jpc_qcc_t; + +/* QCD marker segment parameters. */ + +typedef struct { + + /* The parameters. */ + jpc_qcxcp_t compparms; + +} jpc_qcd_t; + +/**************************************\ +* POD marker segment parameters. +\**************************************/ + +typedef struct { + + /* The progression order. */ + uint_fast8_t prgord; + + /* The lower bound (inclusive) on the resolution level for the + progression order volume. */ + uint_fast8_t rlvlnostart; + + /* The upper bound (exclusive) on the resolution level for the + progression order volume. */ + uint_fast8_t rlvlnoend; + + /* The lower bound (inclusive) on the component for the progression + order volume. */ + uint_fast16_t compnostart; + + /* The upper bound (exclusive) on the component for the progression + order volume. */ + uint_fast16_t compnoend; + + /* The upper bound (exclusive) on the layer for the progression + order volume. */ + uint_fast16_t lyrnoend; + +} jpc_pocpchg_t; + +/* An alias for the above type. */ +typedef jpc_pocpchg_t jpc_pchg_t; + +/* POC marker segment parameters. */ + +typedef struct { + + /* The number of progression order changes. */ + int numpchgs; + + /* The per-progression-order-change information. */ + jpc_pocpchg_t *pchgs; + +} jpc_poc_t; + +/**************************************\ +* PPM/PPT marker segment parameters. +\**************************************/ + +/* PPM marker segment parameters. */ + +typedef struct { + + /* The index. */ + uint_fast8_t ind; + + /* The length. */ + uint_fast16_t len; + + /* The data. */ + uchar *data; + +} jpc_ppm_t; + +/* PPT marker segment parameters. */ + +typedef struct { + + /* The index. */ + uint_fast8_t ind; + + /* The length. */ + uint_fast32_t len; + + /* The data. */ + unsigned char *data; + +} jpc_ppt_t; + +/**************************************\ +* COM marker segment parameters. +\**************************************/ + +/* + * Registration IDs. + */ + +#define JPC_COM_BIN 0x00 +#define JPC_COM_LATIN 0x01 + +typedef struct { + + /* The registration ID. */ + uint_fast16_t regid; + + /* The length of the data in bytes. */ + uint_fast16_t len; + + /* The data. */ + uchar *data; + +} jpc_com_t; + +/**************************************\ +* SOP marker segment parameters. +\**************************************/ + +typedef struct { + + /* The sequence number. */ + uint_fast16_t seqno; + +} jpc_sop_t; + +/**************************************\ +* CRG marker segment parameters. +\**************************************/ + +/* Per component information. */ + +typedef struct { + + /* The horizontal offset. */ + uint_fast16_t hoff; + + /* The vertical offset. */ + uint_fast16_t voff; + +} jpc_crgcomp_t; + +typedef struct { + + /* The number of components. */ + int numcomps; + + /* Per component information. */ + jpc_crgcomp_t *comps; + +} jpc_crg_t; + +/**************************************\ +* Marker segment parameters for unknown marker type. +\**************************************/ + +typedef struct { + + /* The data. */ + uchar *data; + + /* The length. */ + uint_fast16_t len; + +} jpc_unk_t; + +/**************************************\ +* Generic marker segment parameters. +\**************************************/ + +typedef union { + int soc; /* unused */ + jpc_sot_t sot; + int sod; /* unused */ + int eoc; /* unused */ + jpc_siz_t siz; + jpc_cod_t cod; + jpc_coc_t coc; + jpc_rgn_t rgn; + jpc_qcd_t qcd; + jpc_qcc_t qcc; + jpc_poc_t poc; + /* jpc_plm_t plm; */ + /* jpc_plt_t plt; */ + jpc_ppm_t ppm; + jpc_ppt_t ppt; + jpc_sop_t sop; + int eph; /* unused */ + jpc_com_t com; + jpc_crg_t crg; + jpc_unk_t unk; +} jpc_msparms_t; + +/**************************************\ +* Marker segment. +\**************************************/ + +/* Marker segment IDs. */ + +/* The smallest valid marker value. */ +#define JPC_MS_MIN 0xff00 + +/* The largest valid marker value. */ +#define JPC_MS_MAX 0xffff + +/* The minimum marker value that cannot occur within packet data. */ +#define JPC_MS_INMIN 0xff80 +/* The maximum marker value that cannot occur within packet data. */ +#define JPC_MS_INMAX 0xffff + +/* Delimiting marker segments. */ +#define JPC_MS_SOC 0xff4f /* Start of code stream (SOC). */ +#define JPC_MS_SOT 0xff90 /* Start of tile-part (SOT). */ +#define JPC_MS_SOD 0xff93 /* Start of data (SOD). */ +#define JPC_MS_EOC 0xffd9 /* End of code stream (EOC). */ + +/* Fixed information marker segments. */ +#define JPC_MS_SIZ 0xff51 /* Image and tile size (SIZ). */ + +/* Functional marker segments. */ +#define JPC_MS_COD 0xff52 /* Coding style default (COD). */ +#define JPC_MS_COC 0xff53 /* Coding style component (COC). */ +#define JPC_MS_RGN 0xff5e /* Region of interest (RGN). */ +#define JPC_MS_QCD 0xff5c /* Quantization default (QCD). */ +#define JPC_MS_QCC 0xff5d /* Quantization component (QCC). */ +#define JPC_MS_POC 0xff5f /* Progression order default (POC). */ + +/* Pointer marker segments. */ +#define JPC_MS_TLM 0xff55 /* Tile-part lengths, main header (TLM). */ +#define JPC_MS_PLM 0xff57 /* Packet length, main header (PLM). */ +#define JPC_MS_PLT 0xff58 /* Packet length, tile-part header (PLT). */ +#define JPC_MS_PPM 0xff60 /* Packed packet headers, main header (PPM). */ +#define JPC_MS_PPT 0xff61 /* Packet packet headers, tile-part header (PPT). */ + +/* In bit stream marker segments. */ +#define JPC_MS_SOP 0xff91 /* Start of packet (SOP). */ +#define JPC_MS_EPH 0xff92 /* End of packet header (EPH). */ + +/* Informational marker segments. */ +#define JPC_MS_CRG 0xff63 /* Component registration (CRG). */ +#define JPC_MS_COM 0xff64 /* Comment (COM). */ + +/* Forward declaration. */ +struct jpc_msops_s; + +/* Generic marker segment class. */ + +typedef struct { + + /* The type of marker segment. */ + uint_fast16_t id; + + /* The length of the marker segment. */ + uint_fast16_t len; + + /* The starting offset within the stream. */ + uint_fast32_t off; + + /* The parameters of the marker segment. */ + jpc_msparms_t parms; + + /* The marker segment operations. */ + struct jpc_msops_s *ops; + +} jpc_ms_t; + +/* Marker segment operations (which depend on the marker segment type). */ + +typedef struct jpc_msops_s { + + /* Destroy the marker segment parameters. */ + void (*destroyparms)(jpc_ms_t *ms); + + /* Get the marker segment parameters from a stream. */ + int (*getparms)(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *in); + + /* Put the marker segment parameters to a stream. */ + int (*putparms)(jpc_ms_t *ms, jpc_cstate_t *cstate, jas_stream_t *out); + + /* Dump the marker segment parameters (for debugging). */ + int (*dumpparms)(jpc_ms_t *ms, FILE *out); + +} jpc_msops_t; + +/******************************************************************************\ +* Macros/Functions. +\******************************************************************************/ + +/* Create a code-stream state object. */ +jpc_cstate_t *jpc_cstate_create(void); + +/* Destroy a code-stream state object. */ +void jpc_cstate_destroy(jpc_cstate_t *cstate); + +/* Create a marker segment. */ +jpc_ms_t *jpc_ms_create(int type); + +/* Destroy a marker segment. */ +void jpc_ms_destroy(jpc_ms_t *ms); + +/* Does a marker segment have parameters? */ +#define JPC_MS_HASPARMS(x) \ + (!((x) == JPC_MS_SOC || (x) == JPC_MS_SOD || (x) == JPC_MS_EOC || \ + (x) == JPC_MS_EPH || ((x) >= 0xff30 && (x) <= 0xff3f))) + +/* Get the marker segment type. */ +#define jpc_ms_gettype(ms) \ + ((ms)->id) + +/* Read a marker segment from a stream. */ +jpc_ms_t *jpc_getms(jas_stream_t *in, jpc_cstate_t *cstate); + +/* Write a marker segment to a stream. */ +int jpc_putms(jas_stream_t *out, jpc_cstate_t *cstate, jpc_ms_t *ms); + +/* Copy code stream data from one stream to another. */ +int jpc_getdata(jas_stream_t *in, jas_stream_t *out, long n); + +/* Copy code stream data from one stream to another. */ +int jpc_putdata(jas_stream_t *out, jas_stream_t *in, long n); + +/* Dump a marker segment (for debugging). */ +void jpc_ms_dump(jpc_ms_t *ms, FILE *out); + +/* Read a 8-bit unsigned integer from a stream. */ +int jpc_getuint8(jas_stream_t *in, uint_fast8_t *val); + +/* Read a 16-bit unsigned integer from a stream. */ +int jpc_getuint16(jas_stream_t *in, uint_fast16_t *val); + +/* Read a 32-bit unsigned integer from a stream. */ +int jpc_getuint32(jas_stream_t *in, uint_fast32_t *val); + +/* Write a 8-bit unsigned integer to a stream. */ +int jpc_putuint8(jas_stream_t *out, uint_fast8_t val); + +/* Write a 16-bit unsigned integer to a stream. */ +int jpc_putuint16(jas_stream_t *out, uint_fast16_t val); + +/* Write a 32-bit unsigned integer to a stream. */ +int jpc_putuint32(jas_stream_t *out, uint_fast32_t val); + +#endif diff --git a/src/libjasper/jpc/jpc_dec.c b/src/libjasper/jpc/jpc_dec.c new file mode 100644 index 0000000..f61c7e6 --- /dev/null +++ b/src/libjasper/jpc/jpc_dec.c @@ -0,0 +1,2348 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + + GeoJasper revision: Dima - multiple chanels and photoshop cs2 support + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * $Id: jpc_dec.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> + +#include "jasper/jas_types.h" +#include "jasper/jas_math.h" +#include "jasper/jas_tvp.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_debug.h" + +#include "jpc_fix.h" +#include "jpc_dec.h" +#include "jpc_cs.h" +#include "jpc_mct.h" +#include "jpc_t2dec.h" +#include "jpc_t1dec.h" +#include "jpc_math.h" + +/******************************************************************************\ +* +\******************************************************************************/ + +#define JPC_MHSOC 0x0001 + /* In the main header, expecting a SOC marker segment. */ +#define JPC_MHSIZ 0x0002 + /* In the main header, expecting a SIZ marker segment. */ +#define JPC_MH 0x0004 + /* In the main header, expecting "other" marker segments. */ +#define JPC_TPHSOT 0x0008 + /* In a tile-part header, expecting a SOT marker segment. */ +#define JPC_TPH 0x0010 + /* In a tile-part header, expecting "other" marker segments. */ +#define JPC_MT 0x0020 + /* In the main trailer. */ + +typedef struct { + + uint_fast16_t id; + /* The marker segment type. */ + + int validstates; + /* The states in which this type of marker segment can be + validly encountered. */ + + int (*action)(jpc_dec_t *dec, jpc_ms_t *ms); + /* The action to take upon encountering this type of marker segment. */ + +} jpc_dec_mstabent_t; + +/******************************************************************************\ +* +\******************************************************************************/ + +/* COD/COC parameters have been specified. */ +#define JPC_CSET 0x0001 +/* QCD/QCC parameters have been specified. */ +#define JPC_QSET 0x0002 +/* COD/COC parameters set from a COC marker segment. */ +#define JPC_COC 0x0004 +/* QCD/QCC parameters set from a QCC marker segment. */ +#define JPC_QCC 0x0008 + +/******************************************************************************\ +* Local function prototypes. +\******************************************************************************/ + +static int jpc_dec_dump(jpc_dec_t *dec, FILE *out); + +jpc_ppxstab_t *jpc_ppxstab_create(void); +void jpc_ppxstab_destroy(jpc_ppxstab_t *tab); +int jpc_ppxstab_grow(jpc_ppxstab_t *tab, int maxents); +int jpc_ppxstab_insert(jpc_ppxstab_t *tab, jpc_ppxstabent_t *ent); +jpc_streamlist_t *jpc_ppmstabtostreams(jpc_ppxstab_t *tab); +int jpc_pptstabwrite(jas_stream_t *out, jpc_ppxstab_t *tab); +jpc_ppxstabent_t *jpc_ppxstabent_create(void); +void jpc_ppxstabent_destroy(jpc_ppxstabent_t *ent); + +int jpc_streamlist_numstreams(jpc_streamlist_t *streamlist); +jpc_streamlist_t *jpc_streamlist_create(void); +int jpc_streamlist_insert(jpc_streamlist_t *streamlist, int streamno, + jas_stream_t *stream); +jas_stream_t *jpc_streamlist_remove(jpc_streamlist_t *streamlist, int streamno); +void jpc_streamlist_destroy(jpc_streamlist_t *streamlist); +jas_stream_t *jpc_streamlist_get(jpc_streamlist_t *streamlist, int streamno); + +static void jpc_dec_cp_resetflags(jpc_dec_cp_t *cp); +static jpc_dec_cp_t *jpc_dec_cp_create(uint_fast16_t numcomps); +static int jpc_dec_cp_isvalid(jpc_dec_cp_t *cp); +static jpc_dec_cp_t *jpc_dec_cp_copy(jpc_dec_cp_t *cp); +static int jpc_dec_cp_setfromcod(jpc_dec_cp_t *cp, jpc_cod_t *cod); +static int jpc_dec_cp_setfromcoc(jpc_dec_cp_t *cp, jpc_coc_t *coc); +static int jpc_dec_cp_setfromcox(jpc_dec_cp_t *cp, jpc_dec_ccp_t *ccp, + jpc_coxcp_t *compparms, int flags); +static int jpc_dec_cp_setfromqcd(jpc_dec_cp_t *cp, jpc_qcd_t *qcd); +static int jpc_dec_cp_setfromqcc(jpc_dec_cp_t *cp, jpc_qcc_t *qcc); +static int jpc_dec_cp_setfromqcx(jpc_dec_cp_t *cp, jpc_dec_ccp_t *ccp, + jpc_qcxcp_t *compparms, int flags); +static int jpc_dec_cp_setfromrgn(jpc_dec_cp_t *cp, jpc_rgn_t *rgn); +static int jpc_dec_cp_prepare(jpc_dec_cp_t *cp); +static void jpc_dec_cp_destroy(jpc_dec_cp_t *cp); +static int jpc_dec_cp_setfrompoc(jpc_dec_cp_t *cp, jpc_poc_t *poc, int reset); +static int jpc_pi_addpchgfrompoc(jpc_pi_t *pi, jpc_poc_t *poc); + +static int jpc_dec_decode(jpc_dec_t *dec); +static jpc_dec_t *jpc_dec_create(jpc_dec_importopts_t *impopts, jas_stream_t *in); +static void jpc_dec_destroy(jpc_dec_t *dec); +static void jpc_dequantize(jas_matrix_t *x, jpc_fix_t absstepsize); +static void jpc_undo_roi(jas_matrix_t *x, int roishift, int bgshift, int numbps); +static jpc_fix_t jpc_calcabsstepsize(int stepsize, int numbits); +static int jpc_dec_tiledecode(jpc_dec_t *dec, jpc_dec_tile_t *tile); +static int jpc_dec_tileinit(jpc_dec_t *dec, jpc_dec_tile_t *tile); +static int jpc_dec_tilefini(jpc_dec_t *dec, jpc_dec_tile_t *tile); +static int jpc_dec_process_soc(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_sot(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_sod(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_eoc(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_siz(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_cod(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_coc(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_rgn(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_qcd(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_qcc(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_poc(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_ppm(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_ppt(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_com(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_unk(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_process_crg(jpc_dec_t *dec, jpc_ms_t *ms); +static int jpc_dec_parseopts(char *optstr, jpc_dec_importopts_t *opts); + +static jpc_dec_mstabent_t *jpc_dec_mstab_lookup(uint_fast16_t id); + +/******************************************************************************\ +* Global data. +\******************************************************************************/ + +jpc_dec_mstabent_t jpc_dec_mstab[] = { + {JPC_MS_SOC, JPC_MHSOC, jpc_dec_process_soc}, + {JPC_MS_SOT, JPC_MH | JPC_TPHSOT, jpc_dec_process_sot}, + {JPC_MS_SOD, JPC_TPH, jpc_dec_process_sod}, + {JPC_MS_EOC, JPC_TPHSOT, jpc_dec_process_eoc}, + {JPC_MS_SIZ, JPC_MHSIZ, jpc_dec_process_siz}, + {JPC_MS_COD, JPC_MH | JPC_TPH, jpc_dec_process_cod}, + {JPC_MS_COC, JPC_MH | JPC_TPH, jpc_dec_process_coc}, + {JPC_MS_RGN, JPC_MH | JPC_TPH, jpc_dec_process_rgn}, + {JPC_MS_QCD, JPC_MH | JPC_TPH, jpc_dec_process_qcd}, + {JPC_MS_QCC, JPC_MH | JPC_TPH, jpc_dec_process_qcc}, + {JPC_MS_POC, JPC_MH | JPC_TPH, jpc_dec_process_poc}, + {JPC_MS_TLM, JPC_MH, 0}, + {JPC_MS_PLM, JPC_MH, 0}, + {JPC_MS_PLT, JPC_TPH, 0}, + {JPC_MS_PPM, JPC_MH, jpc_dec_process_ppm}, + {JPC_MS_PPT, JPC_TPH, jpc_dec_process_ppt}, + {JPC_MS_SOP, 0, 0}, + {JPC_MS_CRG, JPC_MH, jpc_dec_process_crg}, + {JPC_MS_COM, JPC_MH | JPC_TPH, jpc_dec_process_com}, + {0, JPC_MH | JPC_TPH, jpc_dec_process_unk} +}; + +/******************************************************************************\ +* The main entry point for the JPEG-2000 decoder. +\******************************************************************************/ + +jas_image_t *jpc_decode(jas_stream_t *in, char *optstr) +{ + jpc_dec_importopts_t opts; + jpc_dec_t *dec; + jas_image_t *image; + unsigned int i; + + dec = 0; + + if (jpc_dec_parseopts(optstr, &opts)) { + goto error; + } + + jpc_initluts(); + + if (!(dec = jpc_dec_create(&opts, in))) { + goto error; + } + + /* Do most of the work. */ + if (jpc_dec_decode(dec)) { + goto error; + } + + // GeoJasper: dima - begin - first declare all components as GRAY and if there are more than 3 set first 3 as RGB + /* + if (jas_image_numcmpts(dec->image) >= 3) { + jas_image_setclrspc(dec->image, JAS_CLRSPC_SRGB); + jas_image_setcmpttype(dec->image, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R)); + jas_image_setcmpttype(dec->image, 1, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G)); + jas_image_setcmpttype(dec->image, 2, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B)); + } else { + jas_image_setclrspc(dec->image, JAS_CLRSPC_SGRAY); + jas_image_setcmpttype(dec->image, 0, + JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y)); + } + */ + + // GeoJasper: dima: fisrt define the default for color space to GRAY + jas_image_setclrspc(dec->image, JAS_CLRSPC_SGRAY); + for (i=0; i<jas_image_numcmpts(dec->image); ++i) + jas_image_setcmpttype(dec->image, i, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_GRAY_Y)); + + if (jas_image_numcmpts(dec->image) >= 3) { + jas_image_setclrspc(dec->image, JAS_CLRSPC_SRGB); + jas_image_setcmpttype(dec->image, 0, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R)); + jas_image_setcmpttype(dec->image, 1, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G)); + jas_image_setcmpttype(dec->image, 2, JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B)); + } + // GeoJasper: dima - end - first declare all components as GRAY and if there are more than 3 set first 3 as RGB + + /* Save the return value. */ + image = dec->image; + + /* Stop the image from being discarded. */ + dec->image = 0; + + /* Destroy decoder. */ + jpc_dec_destroy(dec); + + return image; + +error: + if (dec) { + jpc_dec_destroy(dec); + } + return 0; +} + +typedef enum { + OPT_MAXLYRS, + OPT_MAXPKTS, + OPT_DEBUG +} optid_t; + +jas_taginfo_t decopts[] = { + {OPT_MAXLYRS, "maxlyrs"}, + {OPT_MAXPKTS, "maxpkts"}, + {OPT_DEBUG, "debug"}, + {-1, 0} +}; + +static int jpc_dec_parseopts(char *optstr, jpc_dec_importopts_t *opts) +{ + jas_tvparser_t *tvp; + + opts->debug = 0; + opts->maxlyrs = JPC_MAXLYRS; + opts->maxpkts = -1; + + if (!(tvp = jas_tvparser_create(optstr ? optstr : ""))) { + return -1; + } + + while (!jas_tvparser_next(tvp)) { + switch (jas_taginfo_nonull(jas_taginfos_lookup(decopts, + jas_tvparser_gettag(tvp)))->id) { + case OPT_MAXLYRS: + opts->maxlyrs = atoi(jas_tvparser_getval(tvp)); + break; + case OPT_DEBUG: + opts->debug = atoi(jas_tvparser_getval(tvp)); + break; + case OPT_MAXPKTS: + opts->maxpkts = atoi(jas_tvparser_getval(tvp)); + break; + default: + jas_eprintf("warning: ignoring invalid option %s\n", + jas_tvparser_gettag(tvp)); + break; + } + } + + jas_tvparser_destroy(tvp); + + return 0; +} + +/******************************************************************************\ +* Code for table-driven code stream decoder. +\******************************************************************************/ + +static jpc_dec_mstabent_t *jpc_dec_mstab_lookup(uint_fast16_t id) +{ + jpc_dec_mstabent_t *mstabent; + for (mstabent = jpc_dec_mstab; mstabent->id != 0; ++mstabent) { + if (mstabent->id == id) { + break; + } + } + return mstabent; +} + +static int jpc_dec_decode(jpc_dec_t *dec) +{ + jpc_ms_t *ms; + jpc_dec_mstabent_t *mstabent; + int ret; + jpc_cstate_t *cstate; + + if (!(cstate = jpc_cstate_create())) { + return -1; + } + dec->cstate = cstate; + + /* Initially, we should expect to encounter a SOC marker segment. */ + dec->state = JPC_MHSOC; + + for (;;) { + + /* Get the next marker segment in the code stream. */ + if (!(ms = jpc_getms(dec->in, cstate))) { + + // GeoJasper: dima - adobe photoshop cs2 files seem not to end with the EOC marker + // although they carry additional pair of SOT/SOD markers + // we can catch this by checking for tile number and leave + if (dec->tiles && dec->tiles->partno >= dec->tiles->numparts && dec->state == JPC_TPHSOT) { + return 0; + } + + jas_eprintf("cannot get marker segment\n"); + return -1; + } + + mstabent = jpc_dec_mstab_lookup(ms->id); + assert(mstabent); + + /* Ensure that this type of marker segment is permitted + at this point in the code stream. */ + if (!(dec->state & mstabent->validstates)) { + jas_eprintf("unexpected marker segment type\n"); + jpc_ms_destroy(ms); + return -1; + } + + /* Process the marker segment. */ + if (mstabent->action) { + ret = (*mstabent->action)(dec, ms); + } else { + /* No explicit action is required. */ + ret = 0; + } + + /* Destroy the marker segment. */ + jpc_ms_destroy(ms); + + if (ret < 0) { + return -1; + } else if (ret > 0) { + break; + } + + } + + return 0; +} + +static int jpc_dec_process_crg(jpc_dec_t *dec, jpc_ms_t *ms) +{ + int cmptno; + jpc_dec_cmpt_t *cmpt; + jpc_crg_t *crg; + + crg = &ms->parms.crg; + for (cmptno = 0, cmpt = dec->cmpts; cmptno < dec->numcomps; ++cmptno, + ++cmpt) { + /* Ignore the information in the CRG marker segment for now. + This information serves no useful purpose for decoding anyhow. + Some other parts of the code need to be changed if these lines + are uncommented. + cmpt->hsubstep = crg->comps[cmptno].hoff; + cmpt->vsubstep = crg->comps[cmptno].voff; + */ + } + return 0; +} + +static int jpc_dec_process_soc(jpc_dec_t *dec, jpc_ms_t *ms) +{ + /* Eliminate warnings about unused variables. */ + ms = 0; + + /* We should expect to encounter a SIZ marker segment next. */ + dec->state = JPC_MHSIZ; + + return 0; +} + +static int jpc_dec_process_sot(jpc_dec_t *dec, jpc_ms_t *ms) +{ + jpc_dec_tile_t *tile; + jpc_sot_t *sot = &ms->parms.sot; + jas_image_cmptparm_t *compinfos; + jas_image_cmptparm_t *compinfo; + jpc_dec_cmpt_t *cmpt; + int cmptno; + + if (dec->state == JPC_MH) { + + compinfos = jas_malloc(dec->numcomps * sizeof(jas_image_cmptparm_t)); + assert(compinfos); + for (cmptno = 0, cmpt = dec->cmpts, compinfo = compinfos; + cmptno < dec->numcomps; ++cmptno, ++cmpt, ++compinfo) { + compinfo->tlx = 0; + compinfo->tly = 0; + compinfo->prec = cmpt->prec; + compinfo->sgnd = cmpt->sgnd; + compinfo->width = cmpt->width; + compinfo->height = cmpt->height; + compinfo->hstep = cmpt->hstep; + compinfo->vstep = cmpt->vstep; + } + + if (!(dec->image = jas_image_create(dec->numcomps, compinfos, + JAS_CLRSPC_UNKNOWN))) { + return -1; + } + jas_free(compinfos); + + /* Is the packet header information stored in PPM marker segments in + the main header? */ + if (dec->ppmstab) { + /* Convert the PPM marker segment data into a collection of streams + (one stream per tile-part). */ + if (!(dec->pkthdrstreams = jpc_ppmstabtostreams(dec->ppmstab))) { + abort(); + } + jpc_ppxstab_destroy(dec->ppmstab); + dec->ppmstab = 0; + } + } + + if (sot->len > 0) { + dec->curtileendoff = jas_stream_getrwcount(dec->in) - ms->len - + 4 + sot->len; + } else { + dec->curtileendoff = 0; + } + + if (JAS_CAST(int, sot->tileno) > dec->numtiles) { + jas_eprintf("invalid tile number in SOT marker segment\n"); + return -1; + } + /* Set the current tile. */ + dec->curtile = &dec->tiles[sot->tileno]; + tile = dec->curtile; + /* Ensure that this is the expected part number. */ + if (sot->partno != tile->partno) { + return -1; + } + if (tile->numparts > 0 && sot->partno >= tile->numparts) { + + // GeoJasper: dima - photoshop cs2 saves jpeg2000 with additional group of SOT/SOD + // here we simply ignore these boxes + if (tile->state == JPC_TILE_DONE) { + dec->state = JPC_TPH; + return 0; + } + + return -1; + } + if (!tile->numparts && sot->numparts > 0) { + tile->numparts = sot->numparts; + } + + tile->pptstab = 0; + + switch (tile->state) { + case JPC_TILE_INIT: + /* This is the first tile-part for this tile. */ + tile->state = JPC_TILE_ACTIVE; + assert(!tile->cp); + if (!(tile->cp = jpc_dec_cp_copy(dec->cp))) { + return -1; + } + jpc_dec_cp_resetflags(dec->cp); + break; + default: + if (sot->numparts == sot->partno - 1) { + tile->state = JPC_TILE_ACTIVELAST; + } + break; + } + + /* Note: We do not increment the expected tile-part number until + all processing for this tile-part is complete. */ + + /* We should expect to encounter other tile-part header marker + segments next. */ + dec->state = JPC_TPH; + + return 0; +} + +static int jpc_dec_process_sod(jpc_dec_t *dec, jpc_ms_t *ms) +{ + jpc_dec_tile_t *tile; + int pos; + + /* Eliminate compiler warnings about unused variables. */ + ms = 0; + + if (!(tile = dec->curtile)) { + return -1; + } + + if (!tile->partno) { + if (!jpc_dec_cp_isvalid(tile->cp)) { + return -1; + } + jpc_dec_cp_prepare(tile->cp); + if (jpc_dec_tileinit(dec, tile)) { + return -1; + } + } + + // GeoJasper: dima - photoshop cs2 saves jpeg2000 with additional group of SOT/SOD + // here we simply ignore these markers + if (tile->numparts > 0 && tile->partno >= tile->numparts) { + dec->curtile = 0; + // Increment the expected tile-part number. + ++tile->partno; + // We should expect to encounter a SOT marker segment next. + dec->state = JPC_TPHSOT; + return 0; + } + + /* Are packet headers stored in the main header or tile-part header? */ + if (dec->pkthdrstreams) { + /* Get the stream containing the packet header data for this + tile-part. */ + if (!(tile->pkthdrstream = jpc_streamlist_remove(dec->pkthdrstreams, 0))) { + return -1; + } + } + + if (tile->pptstab) { + if (!tile->pkthdrstream) { + if (!(tile->pkthdrstream = jas_stream_memopen(0, 0))) { + return -1; + } + } + pos = jas_stream_tell(tile->pkthdrstream); + jas_stream_seek(tile->pkthdrstream, 0, SEEK_END); + if (jpc_pptstabwrite(tile->pkthdrstream, tile->pptstab)) { + return -1; + } + jas_stream_seek(tile->pkthdrstream, pos, SEEK_SET); + jpc_ppxstab_destroy(tile->pptstab); + tile->pptstab = 0; + } + + if (jas_getdbglevel() >= 10) { + jpc_dec_dump(dec, stderr); + } + + if (jpc_dec_decodepkts(dec, (tile->pkthdrstream) ? tile->pkthdrstream : + dec->in, dec->in)) { + jas_eprintf("jpc_dec_decodepkts failed\n"); + return -1; + } + + /* Gobble any unconsumed tile data. */ + if (dec->curtileendoff > 0) { + long curoff; + uint_fast32_t n; + curoff = jas_stream_getrwcount(dec->in); + if (curoff < dec->curtileendoff) { + n = dec->curtileendoff - curoff; + jas_eprintf("warning: ignoring trailing garbage (%lu bytes)\n", + (unsigned long) n); + + while (n-- > 0) { + if (jas_stream_getc(dec->in) == EOF) { + jas_eprintf("read error\n"); + return -1; + } + } + } else if (curoff > dec->curtileendoff) { + jas_eprintf("warning: not enough tile data (%lu bytes)\n", + (unsigned long) curoff - dec->curtileendoff); + } + + } + + if (tile->numparts > 0 && tile->partno == tile->numparts - 1) { + if (jpc_dec_tiledecode(dec, tile)) { + return -1; + } + jpc_dec_tilefini(dec, tile); + } + + dec->curtile = 0; + + /* Increment the expected tile-part number. */ + ++tile->partno; + + /* We should expect to encounter a SOT marker segment next. */ + dec->state = JPC_TPHSOT; + + return 0; +} + +static int jpc_dec_tileinit(jpc_dec_t *dec, jpc_dec_tile_t *tile) +{ + jpc_dec_tcomp_t *tcomp; + int compno; + int rlvlno; + jpc_dec_rlvl_t *rlvl; + jpc_dec_band_t *band; + jpc_dec_prc_t *prc; + int bndno; + jpc_tsfb_band_t *bnd; + int bandno; + jpc_dec_ccp_t *ccp; + int prccnt; + jpc_dec_cblk_t *cblk; + int cblkcnt; + uint_fast32_t tlprcxstart; + uint_fast32_t tlprcystart; + uint_fast32_t brprcxend; + uint_fast32_t brprcyend; + uint_fast32_t tlcbgxstart; + uint_fast32_t tlcbgystart; + uint_fast32_t brcbgxend; + uint_fast32_t brcbgyend; + uint_fast32_t cbgxstart; + uint_fast32_t cbgystart; + uint_fast32_t cbgxend; + uint_fast32_t cbgyend; + uint_fast32_t tlcblkxstart; + uint_fast32_t tlcblkystart; + uint_fast32_t brcblkxend; + uint_fast32_t brcblkyend; + uint_fast32_t cblkxstart; + uint_fast32_t cblkystart; + uint_fast32_t cblkxend; + uint_fast32_t cblkyend; + uint_fast32_t tmpxstart; + uint_fast32_t tmpystart; + uint_fast32_t tmpxend; + uint_fast32_t tmpyend; + jpc_dec_cp_t *cp; + jpc_tsfb_band_t bnds[64]; + jpc_pchg_t *pchg; + int pchgno; + jpc_dec_cmpt_t *cmpt; + + cp = tile->cp; + tile->realmode = 0; + if (cp->mctid == JPC_MCT_ICT) { + tile->realmode = 1; + } + + for (compno = 0, tcomp = tile->tcomps, cmpt = dec->cmpts; compno < + dec->numcomps; ++compno, ++tcomp, ++cmpt) { + ccp = &tile->cp->ccps[compno]; + if (ccp->qmfbid == JPC_COX_INS) { + tile->realmode = 1; + } + tcomp->numrlvls = ccp->numrlvls; + if (!(tcomp->rlvls = jas_malloc(tcomp->numrlvls * + sizeof(jpc_dec_rlvl_t)))) { + return -1; + } + if (!(tcomp->data = jas_seq2d_create(JPC_CEILDIV(tile->xstart, + cmpt->hstep), JPC_CEILDIV(tile->ystart, cmpt->vstep), + JPC_CEILDIV(tile->xend, cmpt->hstep), JPC_CEILDIV(tile->yend, + cmpt->vstep)))) { + return -1; + } + if (!(tcomp->tsfb = jpc_cod_gettsfb(ccp->qmfbid, + tcomp->numrlvls - 1))) { + return -1; + } +{ + jpc_tsfb_getbands(tcomp->tsfb, jas_seq2d_xstart(tcomp->data), jas_seq2d_ystart(tcomp->data), jas_seq2d_xend(tcomp->data), jas_seq2d_yend(tcomp->data), bnds); +} + for (rlvlno = 0, rlvl = tcomp->rlvls; rlvlno < tcomp->numrlvls; + ++rlvlno, ++rlvl) { +rlvl->bands = 0; + rlvl->xstart = JPC_CEILDIVPOW2(tcomp->xstart, + tcomp->numrlvls - 1 - rlvlno); + rlvl->ystart = JPC_CEILDIVPOW2(tcomp->ystart, + tcomp->numrlvls - 1 - rlvlno); + rlvl->xend = JPC_CEILDIVPOW2(tcomp->xend, + tcomp->numrlvls - 1 - rlvlno); + rlvl->yend = JPC_CEILDIVPOW2(tcomp->yend, + tcomp->numrlvls - 1 - rlvlno); + rlvl->prcwidthexpn = ccp->prcwidthexpns[rlvlno]; + rlvl->prcheightexpn = ccp->prcheightexpns[rlvlno]; + tlprcxstart = JPC_FLOORDIVPOW2(rlvl->xstart, + rlvl->prcwidthexpn) << rlvl->prcwidthexpn; + tlprcystart = JPC_FLOORDIVPOW2(rlvl->ystart, + rlvl->prcheightexpn) << rlvl->prcheightexpn; + brprcxend = JPC_CEILDIVPOW2(rlvl->xend, + rlvl->prcwidthexpn) << rlvl->prcwidthexpn; + brprcyend = JPC_CEILDIVPOW2(rlvl->yend, + rlvl->prcheightexpn) << rlvl->prcheightexpn; + rlvl->numhprcs = (brprcxend - tlprcxstart) >> + rlvl->prcwidthexpn; + rlvl->numvprcs = (brprcyend - tlprcystart) >> + rlvl->prcheightexpn; + rlvl->numprcs = rlvl->numhprcs * rlvl->numvprcs; + + if (rlvl->xstart >= rlvl->xend || rlvl->ystart >= rlvl->yend) { + rlvl->bands = 0; + rlvl->numprcs = 0; + rlvl->numhprcs = 0; + rlvl->numvprcs = 0; + continue; + } + if (!rlvlno) { + tlcbgxstart = tlprcxstart; + tlcbgystart = tlprcystart; + brcbgxend = brprcxend; + brcbgyend = brprcyend; + rlvl->cbgwidthexpn = rlvl->prcwidthexpn; + rlvl->cbgheightexpn = rlvl->prcheightexpn; + } else { + tlcbgxstart = JPC_CEILDIVPOW2(tlprcxstart, 1); + tlcbgystart = JPC_CEILDIVPOW2(tlprcystart, 1); + brcbgxend = JPC_CEILDIVPOW2(brprcxend, 1); + brcbgyend = JPC_CEILDIVPOW2(brprcyend, 1); + rlvl->cbgwidthexpn = rlvl->prcwidthexpn - 1; + rlvl->cbgheightexpn = rlvl->prcheightexpn - 1; + } + rlvl->cblkwidthexpn = JAS_MIN(ccp->cblkwidthexpn, + rlvl->cbgwidthexpn); + rlvl->cblkheightexpn = JAS_MIN(ccp->cblkheightexpn, + rlvl->cbgheightexpn); + + rlvl->numbands = (!rlvlno) ? 1 : 3; + if (!(rlvl->bands = jas_malloc(rlvl->numbands * + sizeof(jpc_dec_band_t)))) { + return -1; + } + for (bandno = 0, band = rlvl->bands; + bandno < rlvl->numbands; ++bandno, ++band) { + bndno = (!rlvlno) ? 0 : (3 * (rlvlno - 1) + + bandno + 1); + bnd = &bnds[bndno]; + + band->orient = bnd->orient; + band->stepsize = ccp->stepsizes[bndno]; + band->analgain = JPC_NOMINALGAIN(ccp->qmfbid, + tcomp->numrlvls - 1, rlvlno, band->orient); + band->absstepsize = jpc_calcabsstepsize(band->stepsize, + cmpt->prec + band->analgain); + band->numbps = ccp->numguardbits + + JPC_QCX_GETEXPN(band->stepsize) - 1; + band->roishift = (ccp->roishift + band->numbps >= JPC_PREC) ? + (JPC_PREC - 1 - band->numbps) : ccp->roishift; + band->data = 0; + band->prcs = 0; + if (bnd->xstart == bnd->xend || bnd->ystart == bnd->yend) { + continue; + } + if (!(band->data = jas_seq2d_create(0, 0, 0, 0))) { + return -1; + } + jas_seq2d_bindsub(band->data, tcomp->data, bnd->locxstart, bnd->locystart, bnd->locxend, bnd->locyend); + jas_seq2d_setshift(band->data, bnd->xstart, bnd->ystart); + + assert(rlvl->numprcs); + + if (!(band->prcs = jas_malloc(rlvl->numprcs * sizeof(jpc_dec_prc_t)))) { + return -1; + } + +/************************************************/ + cbgxstart = tlcbgxstart; + cbgystart = tlcbgystart; + for (prccnt = rlvl->numprcs, prc = band->prcs; + prccnt > 0; --prccnt, ++prc) { + cbgxend = cbgxstart + (1 << rlvl->cbgwidthexpn); + cbgyend = cbgystart + (1 << rlvl->cbgheightexpn); + prc->xstart = JAS_MAX(cbgxstart, JAS_CAST(uint_fast32_t, jas_seq2d_xstart(band->data))); + prc->ystart = JAS_MAX(cbgystart, JAS_CAST(uint_fast32_t, jas_seq2d_ystart(band->data))); + prc->xend = JAS_MIN(cbgxend, JAS_CAST(uint_fast32_t, jas_seq2d_xend(band->data))); + prc->yend = JAS_MIN(cbgyend, JAS_CAST(uint_fast32_t, jas_seq2d_yend(band->data))); + if (prc->xend > prc->xstart && prc->yend > prc->ystart) { + tlcblkxstart = JPC_FLOORDIVPOW2(prc->xstart, + rlvl->cblkwidthexpn) << rlvl->cblkwidthexpn; + tlcblkystart = JPC_FLOORDIVPOW2(prc->ystart, + rlvl->cblkheightexpn) << rlvl->cblkheightexpn; + brcblkxend = JPC_CEILDIVPOW2(prc->xend, + rlvl->cblkwidthexpn) << rlvl->cblkwidthexpn; + brcblkyend = JPC_CEILDIVPOW2(prc->yend, + rlvl->cblkheightexpn) << rlvl->cblkheightexpn; + prc->numhcblks = (brcblkxend - tlcblkxstart) >> + rlvl->cblkwidthexpn; + prc->numvcblks = (brcblkyend - tlcblkystart) >> + rlvl->cblkheightexpn; + prc->numcblks = prc->numhcblks * prc->numvcblks; + assert(prc->numcblks > 0); + + if (!(prc->incltagtree = jpc_tagtree_create(prc->numhcblks, prc->numvcblks))) { + return -1; + } + if (!(prc->numimsbstagtree = jpc_tagtree_create(prc->numhcblks, prc->numvcblks))) { + return -1; + } + if (!(prc->cblks = jas_malloc(prc->numcblks * sizeof(jpc_dec_cblk_t)))) { + return -1; + } + + cblkxstart = cbgxstart; + cblkystart = cbgystart; + for (cblkcnt = prc->numcblks, cblk = prc->cblks; cblkcnt > 0;) { + cblkxend = cblkxstart + (1 << rlvl->cblkwidthexpn); + cblkyend = cblkystart + (1 << rlvl->cblkheightexpn); + tmpxstart = JAS_MAX(cblkxstart, prc->xstart); + tmpystart = JAS_MAX(cblkystart, prc->ystart); + tmpxend = JAS_MIN(cblkxend, prc->xend); + tmpyend = JAS_MIN(cblkyend, prc->yend); + if (tmpxend > tmpxstart && tmpyend > tmpystart) { + cblk->firstpassno = -1; + cblk->mqdec = 0; + cblk->nulldec = 0; + cblk->flags = 0; + cblk->numpasses = 0; + cblk->segs.head = 0; + cblk->segs.tail = 0; + cblk->curseg = 0; + cblk->numimsbs = 0; + cblk->numlenbits = 3; + cblk->flags = 0; + if (!(cblk->data = jas_seq2d_create(0, 0, 0, 0))) { + return -1; + } + jas_seq2d_bindsub(cblk->data, band->data, tmpxstart, tmpystart, tmpxend, tmpyend); + ++cblk; + --cblkcnt; + } + cblkxstart += 1 << rlvl->cblkwidthexpn; + if (cblkxstart >= cbgxend) { + cblkxstart = cbgxstart; + cblkystart += 1 << rlvl->cblkheightexpn; + } + } + + } else { + prc->cblks = 0; + prc->incltagtree = 0; + prc->numimsbstagtree = 0; + } + cbgxstart += 1 << rlvl->cbgwidthexpn; + if (cbgxstart >= brcbgxend) { + cbgxstart = tlcbgxstart; + cbgystart += 1 << rlvl->cbgheightexpn; + } + + } +/********************************************/ + } + } + } + +if (!(tile->pi = jpc_dec_pi_create(dec, tile))) +{ + return -1; +} + + for (pchgno = 0; pchgno < jpc_pchglist_numpchgs(tile->cp->pchglist); + ++pchgno) { + pchg = jpc_pchg_copy(jpc_pchglist_get(tile->cp->pchglist, pchgno)); + assert(pchg); + jpc_pi_addpchg(tile->pi, pchg); + } + jpc_pi_init(tile->pi); + + return 0; +} + +static int jpc_dec_tilefini(jpc_dec_t *dec, jpc_dec_tile_t *tile) +{ + jpc_dec_tcomp_t *tcomp; + int compno; + int bandno; + int rlvlno; + jpc_dec_band_t *band; + jpc_dec_rlvl_t *rlvl; + int prcno; + jpc_dec_prc_t *prc; + jpc_dec_seg_t *seg; + jpc_dec_cblk_t *cblk; + int cblkno; + +if (tile->tcomps) { + + for (compno = 0, tcomp = tile->tcomps; compno < dec->numcomps; + ++compno, ++tcomp) { + for (rlvlno = 0, rlvl = tcomp->rlvls; rlvlno < tcomp->numrlvls; + ++rlvlno, ++rlvl) { +if (!rlvl->bands) { + continue; +} + for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands; ++bandno, ++band) { +if (band->prcs) { + for (prcno = 0, prc = band->prcs; prcno < + rlvl->numprcs; ++prcno, ++prc) { +if (!prc->cblks) { + continue; +} + for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks; ++cblkno, ++cblk) { + + while (cblk->segs.head) { + seg = cblk->segs.head; + jpc_seglist_remove(&cblk->segs, seg); + jpc_seg_destroy(seg); + } + jas_matrix_destroy(cblk->data); + if (cblk->mqdec) { + jpc_mqdec_destroy(cblk->mqdec); + } + if (cblk->nulldec) { + jpc_bitstream_close(cblk->nulldec); + } + if (cblk->flags) { + jas_matrix_destroy(cblk->flags); + } + } + if (prc->incltagtree) { + jpc_tagtree_destroy(prc->incltagtree); + } + if (prc->numimsbstagtree) { + jpc_tagtree_destroy(prc->numimsbstagtree); + } + if (prc->cblks) { + jas_free(prc->cblks); + } + } +} + if (band->data) { + jas_matrix_destroy(band->data); + } + if (band->prcs) { + jas_free(band->prcs); + } + } + if (rlvl->bands) { + jas_free(rlvl->bands); + } + } + if (tcomp->rlvls) { + jas_free(tcomp->rlvls); + } + if (tcomp->data) { + jas_matrix_destroy(tcomp->data); + } + if (tcomp->tsfb) { + jpc_tsfb_destroy(tcomp->tsfb); + } + } +} + if (tile->cp) { + jpc_dec_cp_destroy(tile->cp); + tile->cp = 0; + } + if (tile->tcomps) { + jas_free(tile->tcomps); + tile->tcomps = 0; + } + if (tile->pi) { + jpc_pi_destroy(tile->pi); + tile->pi = 0; + } + if (tile->pkthdrstream) { + jas_stream_close(tile->pkthdrstream); + tile->pkthdrstream = 0; + } + if (tile->pptstab) { + jpc_ppxstab_destroy(tile->pptstab); + tile->pptstab = 0; + } + + tile->state = JPC_TILE_DONE; + + return 0; +} + +static int jpc_dec_tiledecode(jpc_dec_t *dec, jpc_dec_tile_t *tile) +{ + int i; + int j; + jpc_dec_tcomp_t *tcomp; + jpc_dec_rlvl_t *rlvl; + jpc_dec_band_t *band; + int compno; + int rlvlno; + int bandno; + int adjust; + int v; + jpc_dec_ccp_t *ccp; + jpc_dec_cmpt_t *cmpt; + + if (jpc_dec_decodecblks(dec, tile)) { + jas_eprintf("jpc_dec_decodecblks failed\n"); + return -1; + } + + /* Perform dequantization. */ + for (compno = 0, tcomp = tile->tcomps; compno < dec->numcomps; + ++compno, ++tcomp) { + ccp = &tile->cp->ccps[compno]; + for (rlvlno = 0, rlvl = tcomp->rlvls; rlvlno < tcomp->numrlvls; + ++rlvlno, ++rlvl) { + if (!rlvl->bands) { + continue; + } + for (bandno = 0, band = rlvl->bands; + bandno < rlvl->numbands; ++bandno, ++band) { + if (!band->data) { + continue; + } + jpc_undo_roi(band->data, band->roishift, ccp->roishift - + band->roishift, band->numbps); + if (tile->realmode) { + jas_matrix_asl(band->data, JPC_FIX_FRACBITS); + jpc_dequantize(band->data, band->absstepsize); + } + + } + } + } + + /* Apply an inverse wavelet transform if necessary. */ + for (compno = 0, tcomp = tile->tcomps; compno < dec->numcomps; + ++compno, ++tcomp) { + ccp = &tile->cp->ccps[compno]; + jpc_tsfb_synthesize(tcomp->tsfb, tcomp->data); + } + + + /* Apply an inverse intercomponent transform if necessary. */ + // GeoJasper: dima - if there are more components than 3 then do apply the intercomponent transform on first three + if (dec->numcomps >= 3) + switch (tile->cp->mctid) { + case JPC_MCT_RCT: + //assert(dec->numcomps == 3); // GeoJasper: dima - still apply if there are more component + jpc_irct(tile->tcomps[0].data, tile->tcomps[1].data, tile->tcomps[2].data); + break; + case JPC_MCT_ICT: + //assert(dec->numcomps == 3); // GeoJasper: dima - still apply if there are more component + jpc_iict(tile->tcomps[0].data, tile->tcomps[1].data, tile->tcomps[2].data); + break; + } + + /* Perform rounding and convert to integer values. */ + if (tile->realmode) { + for (compno = 0, tcomp = tile->tcomps; compno < dec->numcomps; + ++compno, ++tcomp) { + for (i = 0; i < jas_matrix_numrows(tcomp->data); ++i) { + for (j = 0; j < jas_matrix_numcols(tcomp->data); ++j) { + v = jas_matrix_get(tcomp->data, i, j); + v = jpc_fix_round(v); + jas_matrix_set(tcomp->data, i, j, jpc_fixtoint(v)); + } + } + } + } + + /* Perform level shift. */ + for (compno = 0, tcomp = tile->tcomps, cmpt = dec->cmpts; compno < + dec->numcomps; ++compno, ++tcomp, ++cmpt) { + adjust = cmpt->sgnd ? 0 : (1 << (cmpt->prec - 1)); + for (i = 0; i < jas_matrix_numrows(tcomp->data); ++i) { + for (j = 0; j < jas_matrix_numcols(tcomp->data); ++j) { + *jas_matrix_getref(tcomp->data, i, j) += adjust; + } + } + } + + /* Perform clipping. */ + for (compno = 0, tcomp = tile->tcomps, cmpt = dec->cmpts; compno < + dec->numcomps; ++compno, ++tcomp, ++cmpt) { + jpc_fix_t mn; + jpc_fix_t mx; + mn = cmpt->sgnd ? (-(1 << (cmpt->prec - 1))) : (0); + mx = cmpt->sgnd ? ((1 << (cmpt->prec - 1)) - 1) : ((1 << + cmpt->prec) - 1); + jas_matrix_clip(tcomp->data, mn, mx); + } + + /* XXX need to free tsfb struct */ + + /* Write the data for each component of the image. */ + for (compno = 0, tcomp = tile->tcomps, cmpt = dec->cmpts; compno < + dec->numcomps; ++compno, ++tcomp, ++cmpt) { + if (jas_image_writecmpt(dec->image, compno, tcomp->xstart - + JPC_CEILDIV(dec->xstart, cmpt->hstep), tcomp->ystart - + JPC_CEILDIV(dec->ystart, cmpt->vstep), jas_matrix_numcols( + tcomp->data), jas_matrix_numrows(tcomp->data), tcomp->data)) { + jas_eprintf("write component failed\n"); + return -4; + } + } + + return 0; +} + +static int jpc_dec_process_eoc(jpc_dec_t *dec, jpc_ms_t *ms) +{ + int tileno; + jpc_dec_tile_t *tile; + + /* Eliminate compiler warnings about unused variables. */ + ms = 0; + + for (tileno = 0, tile = dec->tiles; tileno < dec->numtiles; ++tileno, + ++tile) { + if (tile->state == JPC_TILE_ACTIVE) { + if (jpc_dec_tiledecode(dec, tile)) { + return -1; + } + } + jpc_dec_tilefini(dec, tile); + } + + /* We are done processing the code stream. */ + dec->state = JPC_MT; + + return 1; +} + +static int jpc_dec_process_siz(jpc_dec_t *dec, jpc_ms_t *ms) +{ + jpc_siz_t *siz = &ms->parms.siz; + int compno; + int tileno; + jpc_dec_tile_t *tile; + jpc_dec_tcomp_t *tcomp; + int htileno; + int vtileno; + jpc_dec_cmpt_t *cmpt; + + dec->xstart = siz->xoff; + dec->ystart = siz->yoff; + dec->xend = siz->width; + dec->yend = siz->height; + dec->tilewidth = siz->tilewidth; + dec->tileheight = siz->tileheight; + dec->tilexoff = siz->tilexoff; + dec->tileyoff = siz->tileyoff; + dec->numcomps = siz->numcomps; + if (!(dec->cp = jpc_dec_cp_create(dec->numcomps))) { + return -1; + } + + if (!(dec->cmpts = jas_malloc(dec->numcomps * sizeof(jpc_dec_cmpt_t)))) { + return -1; + } + + for (compno = 0, cmpt = dec->cmpts; compno < dec->numcomps; ++compno, + ++cmpt) { + cmpt->prec = siz->comps[compno].prec; + cmpt->sgnd = siz->comps[compno].sgnd; + cmpt->hstep = siz->comps[compno].hsamp; + cmpt->vstep = siz->comps[compno].vsamp; + cmpt->width = JPC_CEILDIV(dec->xend, cmpt->hstep) - + JPC_CEILDIV(dec->xstart, cmpt->hstep); + cmpt->height = JPC_CEILDIV(dec->yend, cmpt->vstep) - + JPC_CEILDIV(dec->ystart, cmpt->vstep); + cmpt->hsubstep = 0; + cmpt->vsubstep = 0; + } + + dec->image = 0; + + dec->numhtiles = JPC_CEILDIV(dec->xend - dec->tilexoff, dec->tilewidth); + dec->numvtiles = JPC_CEILDIV(dec->yend - dec->tileyoff, dec->tileheight); + dec->numtiles = dec->numhtiles * dec->numvtiles; + if (!(dec->tiles = jas_malloc(dec->numtiles * sizeof(jpc_dec_tile_t)))) { + return -1; + } + + for (tileno = 0, tile = dec->tiles; tileno < dec->numtiles; ++tileno, + ++tile) { + htileno = tileno % dec->numhtiles; + vtileno = tileno / dec->numhtiles; + tile->realmode = 0; + tile->state = JPC_TILE_INIT; + tile->xstart = JAS_MAX(dec->tilexoff + htileno * dec->tilewidth, + dec->xstart); + tile->ystart = JAS_MAX(dec->tileyoff + vtileno * dec->tileheight, + dec->ystart); + tile->xend = JAS_MIN(dec->tilexoff + (htileno + 1) * + dec->tilewidth, dec->xend); + tile->yend = JAS_MIN(dec->tileyoff + (vtileno + 1) * + dec->tileheight, dec->yend); + tile->numparts = 0; + tile->partno = 0; + tile->pkthdrstream = 0; + tile->pkthdrstreampos = 0; + tile->pptstab = 0; + tile->cp = 0; + if (!(tile->tcomps = jas_malloc(dec->numcomps * + sizeof(jpc_dec_tcomp_t)))) { + return -1; + } + for (compno = 0, cmpt = dec->cmpts, tcomp = tile->tcomps; + compno < dec->numcomps; ++compno, ++cmpt, ++tcomp) { + tcomp->rlvls = 0; + tcomp->data = 0; + tcomp->xstart = JPC_CEILDIV(tile->xstart, cmpt->hstep); + tcomp->ystart = JPC_CEILDIV(tile->ystart, cmpt->vstep); + tcomp->xend = JPC_CEILDIV(tile->xend, cmpt->hstep); + tcomp->yend = JPC_CEILDIV(tile->yend, cmpt->vstep); + tcomp->tsfb = 0; + } + } + + dec->pkthdrstreams = 0; + + /* We should expect to encounter other main header marker segments + or an SOT marker segment next. */ + dec->state = JPC_MH; + + return 0; +} + +static int jpc_dec_process_cod(jpc_dec_t *dec, jpc_ms_t *ms) +{ + jpc_cod_t *cod = &ms->parms.cod; + jpc_dec_tile_t *tile; + + switch (dec->state) { + case JPC_MH: + jpc_dec_cp_setfromcod(dec->cp, cod); + break; + case JPC_TPH: + if (!(tile = dec->curtile)) { + return -1; + } + if (tile->partno != 0) { + return -1; + } + jpc_dec_cp_setfromcod(tile->cp, cod); + break; + } + return 0; +} + +static int jpc_dec_process_coc(jpc_dec_t *dec, jpc_ms_t *ms) +{ + jpc_coc_t *coc = &ms->parms.coc; + jpc_dec_tile_t *tile; + + if (JAS_CAST(int, coc->compno) > dec->numcomps) { + jas_eprintf("invalid component number in COC marker segment\n"); + return -1; + } + switch (dec->state) { + case JPC_MH: + jpc_dec_cp_setfromcoc(dec->cp, coc); + break; + case JPC_TPH: + if (!(tile = dec->curtile)) { + return -1; + } + if (tile->partno > 0) { + return -1; + } + jpc_dec_cp_setfromcoc(tile->cp, coc); + break; + } + return 0; +} + +static int jpc_dec_process_rgn(jpc_dec_t *dec, jpc_ms_t *ms) +{ + jpc_rgn_t *rgn = &ms->parms.rgn; + jpc_dec_tile_t *tile; + + if (JAS_CAST(int, rgn->compno) > dec->numcomps) { + jas_eprintf("invalid component number in RGN marker segment\n"); + return -1; + } + switch (dec->state) { + case JPC_MH: + jpc_dec_cp_setfromrgn(dec->cp, rgn); + break; + case JPC_TPH: + if (!(tile = dec->curtile)) { + return -1; + } + if (tile->partno > 0) { + return -1; + } + jpc_dec_cp_setfromrgn(tile->cp, rgn); + break; + } + + return 0; +} + +static int jpc_dec_process_qcd(jpc_dec_t *dec, jpc_ms_t *ms) +{ + jpc_qcd_t *qcd = &ms->parms.qcd; + jpc_dec_tile_t *tile; + + switch (dec->state) { + case JPC_MH: + jpc_dec_cp_setfromqcd(dec->cp, qcd); + break; + case JPC_TPH: + if (!(tile = dec->curtile)) { + return -1; + } + if (tile->partno > 0) { + return -1; + } + jpc_dec_cp_setfromqcd(tile->cp, qcd); + break; + } + return 0; +} + +static int jpc_dec_process_qcc(jpc_dec_t *dec, jpc_ms_t *ms) +{ + jpc_qcc_t *qcc = &ms->parms.qcc; + jpc_dec_tile_t *tile; + + if (JAS_CAST(int, qcc->compno) > dec->numcomps) { + jas_eprintf("invalid component number in QCC marker segment\n"); + return -1; + } + switch (dec->state) { + case JPC_MH: + jpc_dec_cp_setfromqcc(dec->cp, qcc); + break; + case JPC_TPH: + if (!(tile = dec->curtile)) { + return -1; + } + if (tile->partno > 0) { + return -1; + } + jpc_dec_cp_setfromqcc(tile->cp, qcc); + break; + } + return 0; +} + +static int jpc_dec_process_poc(jpc_dec_t *dec, jpc_ms_t *ms) +{ + jpc_poc_t *poc = &ms->parms.poc; + jpc_dec_tile_t *tile; + switch (dec->state) { + case JPC_MH: + if (jpc_dec_cp_setfrompoc(dec->cp, poc, 1)) { + return -1; + } + break; + case JPC_TPH: + if (!(tile = dec->curtile)) { + return -1; + } + if (!tile->partno) { + if (jpc_dec_cp_setfrompoc(tile->cp, poc, (!tile->partno))) { + return -1; + } + } else { + jpc_pi_addpchgfrompoc(tile->pi, poc); + } + break; + } + return 0; +} + +static int jpc_dec_process_ppm(jpc_dec_t *dec, jpc_ms_t *ms) +{ + jpc_ppm_t *ppm = &ms->parms.ppm; + jpc_ppxstabent_t *ppmstabent; + + if (!dec->ppmstab) { + if (!(dec->ppmstab = jpc_ppxstab_create())) { + return -1; + } + } + + if (!(ppmstabent = jpc_ppxstabent_create())) { + return -1; + } + ppmstabent->ind = ppm->ind; + ppmstabent->data = ppm->data; + ppm->data = 0; + ppmstabent->len = ppm->len; + if (jpc_ppxstab_insert(dec->ppmstab, ppmstabent)) { + return -1; + } + return 0; +} + +static int jpc_dec_process_ppt(jpc_dec_t *dec, jpc_ms_t *ms) +{ + jpc_ppt_t *ppt = &ms->parms.ppt; + jpc_dec_tile_t *tile; + jpc_ppxstabent_t *pptstabent; + + tile = dec->curtile; + if (!tile->pptstab) { + if (!(tile->pptstab = jpc_ppxstab_create())) { + return -1; + } + } + if (!(pptstabent = jpc_ppxstabent_create())) { + return -1; + } + pptstabent->ind = ppt->ind; + pptstabent->data = ppt->data; + ppt->data = 0; + pptstabent->len = ppt->len; + if (jpc_ppxstab_insert(tile->pptstab, pptstabent)) { + return -1; + } + return 0; +} + +static int jpc_dec_process_com(jpc_dec_t *dec, jpc_ms_t *ms) +{ + /* Eliminate compiler warnings about unused variables. */ + dec = 0; + ms = 0; + + return 0; +} + +static int jpc_dec_process_unk(jpc_dec_t *dec, jpc_ms_t *ms) +{ + /* Eliminate compiler warnings about unused variables. */ + dec = 0; + + jas_eprintf("warning: ignoring unknown marker segment\n"); + jpc_ms_dump(ms, stderr); + return 0; +} + +/******************************************************************************\ +* +\******************************************************************************/ + +static jpc_dec_cp_t *jpc_dec_cp_create(uint_fast16_t numcomps) +{ + jpc_dec_cp_t *cp; + jpc_dec_ccp_t *ccp; + int compno; + + if (!(cp = jas_malloc(sizeof(jpc_dec_cp_t)))) { + return 0; + } + cp->flags = 0; + cp->numcomps = numcomps; + cp->prgord = 0; + cp->numlyrs = 0; + cp->mctid = 0; + cp->csty = 0; + if (!(cp->ccps = jas_malloc(cp->numcomps * sizeof(jpc_dec_ccp_t)))) { + return 0; + } + if (!(cp->pchglist = jpc_pchglist_create())) { + jas_free(cp->ccps); + return 0; + } + for (compno = 0, ccp = cp->ccps; compno < cp->numcomps; + ++compno, ++ccp) { + ccp->flags = 0; + ccp->numrlvls = 0; + ccp->cblkwidthexpn = 0; + ccp->cblkheightexpn = 0; + ccp->qmfbid = 0; + ccp->numstepsizes = 0; + ccp->numguardbits = 0; + ccp->roishift = 0; + ccp->cblkctx = 0; + } + return cp; +} + +static jpc_dec_cp_t *jpc_dec_cp_copy(jpc_dec_cp_t *cp) +{ + jpc_dec_cp_t *newcp; + jpc_dec_ccp_t *newccp; + jpc_dec_ccp_t *ccp; + int compno; + + if (!(newcp = jpc_dec_cp_create(cp->numcomps))) { + return 0; + } + newcp->flags = cp->flags; + newcp->prgord = cp->prgord; + newcp->numlyrs = cp->numlyrs; + newcp->mctid = cp->mctid; + newcp->csty = cp->csty; + jpc_pchglist_destroy(newcp->pchglist); + newcp->pchglist = 0; + if (!(newcp->pchglist = jpc_pchglist_copy(cp->pchglist))) { + jas_free(newcp); + return 0; + } + for (compno = 0, newccp = newcp->ccps, ccp = cp->ccps; + compno < cp->numcomps; + ++compno, ++newccp, ++ccp) { + *newccp = *ccp; + } + return newcp; +} + +static void jpc_dec_cp_resetflags(jpc_dec_cp_t *cp) +{ + int compno; + jpc_dec_ccp_t *ccp; + cp->flags &= (JPC_CSET | JPC_QSET); + for (compno = 0, ccp = cp->ccps; compno < cp->numcomps; + ++compno, ++ccp) { + ccp->flags = 0; + } +} + +static void jpc_dec_cp_destroy(jpc_dec_cp_t *cp) +{ + if (cp->ccps) { + jas_free(cp->ccps); + } + if (cp->pchglist) { + jpc_pchglist_destroy(cp->pchglist); + } + jas_free(cp); +} + +static int jpc_dec_cp_isvalid(jpc_dec_cp_t *cp) +{ + uint_fast16_t compcnt; + jpc_dec_ccp_t *ccp; + + if (!(cp->flags & JPC_CSET) || !(cp->flags & JPC_QSET)) { + return 0; + } + for (compcnt = cp->numcomps, ccp = cp->ccps; compcnt > 0; --compcnt, + ++ccp) { + /* Is there enough step sizes for the number of bands? */ + if ((ccp->qsty != JPC_QCX_SIQNT && JAS_CAST(int, ccp->numstepsizes) < 3 * + ccp->numrlvls - 2) || (ccp->qsty == JPC_QCX_SIQNT && + ccp->numstepsizes != 1)) { + return 0; + } + } + return 1; +} + +static void calcstepsizes(uint_fast16_t refstepsize, int numrlvls, + uint_fast16_t *stepsizes) +{ + int bandno; + int numbands; + uint_fast16_t expn; + uint_fast16_t mant; + expn = JPC_QCX_GETEXPN(refstepsize); + mant = JPC_QCX_GETMANT(refstepsize); + numbands = 3 * numrlvls - 2; + for (bandno = 0; bandno < numbands; ++bandno) { + stepsizes[bandno] = JPC_QCX_MANT(mant) | JPC_QCX_EXPN(expn + + (numrlvls - 1) - (numrlvls - 1 - ((bandno > 0) ? ((bandno + 2) / 3) : (0)))); + } +} + +static int jpc_dec_cp_prepare(jpc_dec_cp_t *cp) +{ + jpc_dec_ccp_t *ccp; + int compno; + int i; + for (compno = 0, ccp = cp->ccps; compno < cp->numcomps; + ++compno, ++ccp) { + if (!(ccp->csty & JPC_COX_PRT)) { + for (i = 0; i < JPC_MAXRLVLS; ++i) { + ccp->prcwidthexpns[i] = 15; + ccp->prcheightexpns[i] = 15; + } + } + if (ccp->qsty == JPC_QCX_SIQNT) { + calcstepsizes(ccp->stepsizes[0], ccp->numrlvls, ccp->stepsizes); + } + } + return 0; +} + +static int jpc_dec_cp_setfromcod(jpc_dec_cp_t *cp, jpc_cod_t *cod) +{ + jpc_dec_ccp_t *ccp; + int compno; + cp->flags |= JPC_CSET; + cp->prgord = cod->prg; + if (cod->mctrans) { + cp->mctid = (cod->compparms.qmfbid == JPC_COX_INS) ? (JPC_MCT_ICT) : (JPC_MCT_RCT); + } else { + cp->mctid = JPC_MCT_NONE; + } + cp->numlyrs = cod->numlyrs; + cp->csty = cod->csty & (JPC_COD_SOP | JPC_COD_EPH); + for (compno = 0, ccp = cp->ccps; compno < cp->numcomps; + ++compno, ++ccp) { + jpc_dec_cp_setfromcox(cp, ccp, &cod->compparms, 0); + } + cp->flags |= JPC_CSET; + return 0; +} + +static int jpc_dec_cp_setfromcoc(jpc_dec_cp_t *cp, jpc_coc_t *coc) +{ + jpc_dec_cp_setfromcox(cp, &cp->ccps[coc->compno], &coc->compparms, JPC_COC); + return 0; +} + +static int jpc_dec_cp_setfromcox(jpc_dec_cp_t *cp, jpc_dec_ccp_t *ccp, + jpc_coxcp_t *compparms, int flags) +{ + int rlvlno; + + /* Eliminate compiler warnings about unused variables. */ + cp = 0; + + if ((flags & JPC_COC) || !(ccp->flags & JPC_COC)) { + ccp->numrlvls = compparms->numdlvls + 1; + ccp->cblkwidthexpn = JPC_COX_GETCBLKSIZEEXPN( + compparms->cblkwidthval); + ccp->cblkheightexpn = JPC_COX_GETCBLKSIZEEXPN( + compparms->cblkheightval); + ccp->qmfbid = compparms->qmfbid; + ccp->cblkctx = compparms->cblksty; + ccp->csty = compparms->csty & JPC_COX_PRT; + for (rlvlno = 0; rlvlno < compparms->numrlvls; ++rlvlno) { + ccp->prcwidthexpns[rlvlno] = + compparms->rlvls[rlvlno].parwidthval; + ccp->prcheightexpns[rlvlno] = + compparms->rlvls[rlvlno].parheightval; + } + ccp->flags |= flags | JPC_CSET; + } + return 0; +} + +static int jpc_dec_cp_setfromqcd(jpc_dec_cp_t *cp, jpc_qcd_t *qcd) +{ + int compno; + jpc_dec_ccp_t *ccp; + for (compno = 0, ccp = cp->ccps; compno < cp->numcomps; + ++compno, ++ccp) { + jpc_dec_cp_setfromqcx(cp, ccp, &qcd->compparms, 0); + } + cp->flags |= JPC_QSET; + return 0; +} + +static int jpc_dec_cp_setfromqcc(jpc_dec_cp_t *cp, jpc_qcc_t *qcc) +{ + return jpc_dec_cp_setfromqcx(cp, &cp->ccps[qcc->compno], &qcc->compparms, JPC_QCC); +} + +static int jpc_dec_cp_setfromqcx(jpc_dec_cp_t *cp, jpc_dec_ccp_t *ccp, + jpc_qcxcp_t *compparms, int flags) +{ + int bandno; + + /* Eliminate compiler warnings about unused variables. */ + cp = 0; + + if ((flags & JPC_QCC) || !(ccp->flags & JPC_QCC)) { + ccp->flags |= flags | JPC_QSET; + for (bandno = 0; bandno < compparms->numstepsizes; ++bandno) { + ccp->stepsizes[bandno] = compparms->stepsizes[bandno]; + } + ccp->numstepsizes = compparms->numstepsizes; + ccp->numguardbits = compparms->numguard; + ccp->qsty = compparms->qntsty; + } + return 0; +} + +static int jpc_dec_cp_setfromrgn(jpc_dec_cp_t *cp, jpc_rgn_t *rgn) +{ + jpc_dec_ccp_t *ccp; + ccp = &cp->ccps[rgn->compno]; + ccp->roishift = rgn->roishift; + return 0; +} + +static int jpc_pi_addpchgfrompoc(jpc_pi_t *pi, jpc_poc_t *poc) +{ + int pchgno; + jpc_pchg_t *pchg; + for (pchgno = 0; pchgno < poc->numpchgs; ++pchgno) { + if (!(pchg = jpc_pchg_copy(&poc->pchgs[pchgno]))) { + return -1; + } + if (jpc_pchglist_insert(pi->pchglist, -1, pchg)) { + return -1; + } + } + return 0; +} + +static int jpc_dec_cp_setfrompoc(jpc_dec_cp_t *cp, jpc_poc_t *poc, int reset) +{ + int pchgno; + jpc_pchg_t *pchg; + if (reset) { + while (jpc_pchglist_numpchgs(cp->pchglist) > 0) { + pchg = jpc_pchglist_remove(cp->pchglist, 0); + jpc_pchg_destroy(pchg); + } + } + for (pchgno = 0; pchgno < poc->numpchgs; ++pchgno) { + if (!(pchg = jpc_pchg_copy(&poc->pchgs[pchgno]))) { + return -1; + } + if (jpc_pchglist_insert(cp->pchglist, -1, pchg)) { + return -1; + } + } + return 0; +} + +static jpc_fix_t jpc_calcabsstepsize(int stepsize, int numbits) +{ + jpc_fix_t absstepsize; + int n; + + absstepsize = jpc_inttofix(1); + n = JPC_FIX_FRACBITS - 11; + absstepsize |= (n >= 0) ? (JPC_QCX_GETMANT(stepsize) << n) : + (JPC_QCX_GETMANT(stepsize) >> (-n)); + n = numbits - JPC_QCX_GETEXPN(stepsize); + absstepsize = (n >= 0) ? (absstepsize << n) : (absstepsize >> (-n)); + return absstepsize; +} + +static void jpc_dequantize(jas_matrix_t *x, jpc_fix_t absstepsize) +{ + int i; + int j; + int t; + + assert(absstepsize >= 0); + if (absstepsize == jpc_inttofix(1)) { + return; + } + + for (i = 0; i < jas_matrix_numrows(x); ++i) { + for (j = 0; j < jas_matrix_numcols(x); ++j) { + t = jas_matrix_get(x, i, j); + if (t) { + t = jpc_fix_mul(t, absstepsize); + } else { + t = 0; + } + jas_matrix_set(x, i, j, t); + } + } + +} + +static void jpc_undo_roi(jas_matrix_t *x, int roishift, int bgshift, int numbps) +{ + int i; + int j; + int thresh; + jpc_fix_t val; + jpc_fix_t mag; + bool warn; + uint_fast32_t mask; + + if (roishift == 0 && bgshift == 0) { + return; + } + thresh = 1 << roishift; + + warn = false; + for (i = 0; i < jas_matrix_numrows(x); ++i) { + for (j = 0; j < jas_matrix_numcols(x); ++j) { + val = jas_matrix_get(x, i, j); + mag = JAS_ABS(val); + if (mag >= thresh) { + /* We are dealing with ROI data. */ + mag >>= roishift; + val = (val < 0) ? (-mag) : mag; + jas_matrix_set(x, i, j, val); + } else { + /* We are dealing with non-ROI (i.e., background) data. */ + mag <<= bgshift; + mask = (1 << numbps) - 1; + /* Perform a basic sanity check on the sample value. */ + /* Some implementations write garbage in the unused + most-significant bit planes introduced by ROI shifting. + Here we ensure that any such bits are masked off. */ + if (mag & (~mask)) { + if (!warn) { + jas_eprintf("warning: possibly corrupt code stream\n"); + warn = true; + } + mag &= mask; + } + val = (val < 0) ? (-mag) : mag; + jas_matrix_set(x, i, j, val); + } + } + } +} + +static jpc_dec_t *jpc_dec_create(jpc_dec_importopts_t *impopts, jas_stream_t *in) +{ + jpc_dec_t *dec; + + if (!(dec = jas_malloc(sizeof(jpc_dec_t)))) { + return 0; + } + + dec->image = 0; + dec->xstart = 0; + dec->ystart = 0; + dec->xend = 0; + dec->yend = 0; + dec->tilewidth = 0; + dec->tileheight = 0; + dec->tilexoff = 0; + dec->tileyoff = 0; + dec->numhtiles = 0; + dec->numvtiles = 0; + dec->numtiles = 0; + dec->tiles = 0; + dec->curtile = 0; + dec->numcomps = 0; + dec->in = in; + dec->cp = 0; + dec->maxlyrs = impopts->maxlyrs; + dec->maxpkts = impopts->maxpkts; +dec->numpkts = 0; + dec->ppmseqno = 0; + dec->state = 0; + dec->cmpts = 0; + dec->pkthdrstreams = 0; + dec->ppmstab = 0; + dec->curtileendoff = 0; + + return dec; +} + +static void jpc_dec_destroy(jpc_dec_t *dec) +{ + if (dec->cstate) { + jpc_cstate_destroy(dec->cstate); + } + if (dec->pkthdrstreams) { + jpc_streamlist_destroy(dec->pkthdrstreams); + } + if (dec->image) { + jas_image_destroy(dec->image); + } + + if (dec->cp) { + jpc_dec_cp_destroy(dec->cp); + } + + if (dec->cmpts) { + jas_free(dec->cmpts); + } + + if (dec->tiles) { + jas_free(dec->tiles); + } + + jas_free(dec); +} + +/******************************************************************************\ +* +\******************************************************************************/ + +void jpc_seglist_insert(jpc_dec_seglist_t *list, jpc_dec_seg_t *ins, jpc_dec_seg_t *node) +{ + jpc_dec_seg_t *prev; + jpc_dec_seg_t *next; + + prev = ins; + node->prev = prev; + next = prev ? (prev->next) : 0; + node->prev = prev; + node->next = next; + if (prev) { + prev->next = node; + } else { + list->head = node; + } + if (next) { + next->prev = node; + } else { + list->tail = node; + } +} + +void jpc_seglist_remove(jpc_dec_seglist_t *list, jpc_dec_seg_t *seg) +{ + jpc_dec_seg_t *prev; + jpc_dec_seg_t *next; + + prev = seg->prev; + next = seg->next; + if (prev) { + prev->next = next; + } else { + list->head = next; + } + if (next) { + next->prev = prev; + } else { + list->tail = prev; + } + seg->prev = 0; + seg->next = 0; +} + +jpc_dec_seg_t *jpc_seg_alloc() +{ + jpc_dec_seg_t *seg; + + if (!(seg = jas_malloc(sizeof(jpc_dec_seg_t)))) { + return 0; + } + seg->prev = 0; + seg->next = 0; + seg->passno = -1; + seg->numpasses = 0; + seg->maxpasses = 0; + seg->type = JPC_SEG_INVALID; + seg->stream = 0; + seg->cnt = 0; + seg->complete = 0; + seg->lyrno = -1; + return seg; +} + +void jpc_seg_destroy(jpc_dec_seg_t *seg) +{ + if (seg->stream) { + jas_stream_close(seg->stream); + } + jas_free(seg); +} + +static int jpc_dec_dump(jpc_dec_t *dec, FILE *out) +{ + jpc_dec_tile_t *tile; + int tileno; + jpc_dec_tcomp_t *tcomp; + int compno; + jpc_dec_rlvl_t *rlvl; + int rlvlno; + jpc_dec_band_t *band; + int bandno; + jpc_dec_prc_t *prc; + int prcno; + jpc_dec_cblk_t *cblk; + int cblkno; + + for (tileno = 0, tile = dec->tiles; tileno < dec->numtiles; + ++tileno, ++tile) { + for (compno = 0, tcomp = tile->tcomps; compno < dec->numcomps; + ++compno, ++tcomp) { + for (rlvlno = 0, rlvl = tcomp->rlvls; rlvlno < + tcomp->numrlvls; ++rlvlno, ++rlvl) { +fprintf(out, "RESOLUTION LEVEL %d\n", rlvlno); +fprintf(out, "xs =%d, ys = %d, xe = %d, ye = %d, w = %d, h = %d\n", + rlvl->xstart, rlvl->ystart, rlvl->xend, rlvl->yend, rlvl->xend - + rlvl->xstart, rlvl->yend - rlvl->ystart); + for (bandno = 0, band = rlvl->bands; + bandno < rlvl->numbands; ++bandno, ++band) { +fprintf(out, "BAND %d\n", bandno); +fprintf(out, "xs =%d, ys = %d, xe = %d, ye = %d, w = %d, h = %d\n", + jas_seq2d_xstart(band->data), jas_seq2d_ystart(band->data), jas_seq2d_xend(band->data), + jas_seq2d_yend(band->data), jas_seq2d_xend(band->data) - jas_seq2d_xstart(band->data), + jas_seq2d_yend(band->data) - jas_seq2d_ystart(band->data)); + for (prcno = 0, prc = band->prcs; + prcno < rlvl->numprcs; ++prcno, + ++prc) { +fprintf(out, "CODE BLOCK GROUP %d\n", prcno); +fprintf(out, "xs =%d, ys = %d, xe = %d, ye = %d, w = %d, h = %d\n", + prc->xstart, prc->ystart, prc->xend, prc->yend, prc->xend - + prc->xstart, prc->yend - prc->ystart); + for (cblkno = 0, cblk = + prc->cblks; cblkno < + prc->numcblks; ++cblkno, + ++cblk) { +fprintf(out, "CODE BLOCK %d\n", cblkno); +fprintf(out, "xs =%d, ys = %d, xe = %d, ye = %d, w = %d, h = %d\n", + jas_seq2d_xstart(cblk->data), jas_seq2d_ystart(cblk->data), jas_seq2d_xend(cblk->data), + jas_seq2d_yend(cblk->data), jas_seq2d_xend(cblk->data) - jas_seq2d_xstart(cblk->data), + jas_seq2d_yend(cblk->data) - jas_seq2d_ystart(cblk->data)); + } + } + } + } + } + } + + return 0; +} + +jpc_streamlist_t *jpc_streamlist_create() +{ + jpc_streamlist_t *streamlist; + int i; + + if (!(streamlist = jas_malloc(sizeof(jpc_streamlist_t)))) { + return 0; + } + streamlist->numstreams = 0; + streamlist->maxstreams = 100; + if (!(streamlist->streams = jas_malloc(streamlist->maxstreams * + sizeof(jas_stream_t *)))) { + jas_free(streamlist); + return 0; + } + for (i = 0; i < streamlist->maxstreams; ++i) { + streamlist->streams[i] = 0; + } + return streamlist; +} + +int jpc_streamlist_insert(jpc_streamlist_t *streamlist, int streamno, + jas_stream_t *stream) +{ + jas_stream_t **newstreams; + int newmaxstreams; + int i; + /* Grow the array of streams if necessary. */ + if (streamlist->numstreams >= streamlist->maxstreams) { + newmaxstreams = streamlist->maxstreams + 1024; + if (!(newstreams = jas_realloc(streamlist->streams, + (newmaxstreams + 1024) * sizeof(jas_stream_t *)))) { + return -1; + } + for (i = streamlist->numstreams; i < streamlist->maxstreams; ++i) { + streamlist->streams[i] = 0; + } + streamlist->maxstreams = newmaxstreams; + streamlist->streams = newstreams; + } + if (streamno != streamlist->numstreams) { + /* Can only handle insertion at start of list. */ + return -1; + } + streamlist->streams[streamno] = stream; + ++streamlist->numstreams; + return 0; +} + +jas_stream_t *jpc_streamlist_remove(jpc_streamlist_t *streamlist, int streamno) +{ + jas_stream_t *stream; + int i; + if (streamno >= streamlist->numstreams) { + abort(); + } + stream = streamlist->streams[streamno]; + for (i = streamno + 1; i < streamlist->numstreams; ++i) { + streamlist->streams[i - 1] = streamlist->streams[i]; + } + --streamlist->numstreams; + return stream; +} + +void jpc_streamlist_destroy(jpc_streamlist_t *streamlist) +{ + int streamno; + if (streamlist->streams) { + for (streamno = 0; streamno < streamlist->numstreams; + ++streamno) { + jas_stream_close(streamlist->streams[streamno]); + } + jas_free(streamlist->streams); + } + jas_free(streamlist); +} + +jas_stream_t *jpc_streamlist_get(jpc_streamlist_t *streamlist, int streamno) +{ + assert(streamno < streamlist->numstreams); + return streamlist->streams[streamno]; +} + +int jpc_streamlist_numstreams(jpc_streamlist_t *streamlist) +{ + return streamlist->numstreams; +} + +jpc_ppxstab_t *jpc_ppxstab_create() +{ + jpc_ppxstab_t *tab; + + if (!(tab = jas_malloc(sizeof(jpc_ppxstab_t)))) { + return 0; + } + tab->numents = 0; + tab->maxents = 0; + tab->ents = 0; + return tab; +} + +void jpc_ppxstab_destroy(jpc_ppxstab_t *tab) +{ + int i; + for (i = 0; i < tab->numents; ++i) { + jpc_ppxstabent_destroy(tab->ents[i]); + } + if (tab->ents) { + jas_free(tab->ents); + } + jas_free(tab); +} + +int jpc_ppxstab_grow(jpc_ppxstab_t *tab, int maxents) +{ + jpc_ppxstabent_t **newents; + if (tab->maxents < maxents) { + newents = (tab->ents) ? jas_realloc(tab->ents, maxents * + sizeof(jpc_ppxstabent_t *)) : jas_malloc(maxents * sizeof(jpc_ppxstabent_t *)); + if (!newents) { + return -1; + } + tab->ents = newents; + tab->maxents = maxents; + } + return 0; +} + +int jpc_ppxstab_insert(jpc_ppxstab_t *tab, jpc_ppxstabent_t *ent) +{ + int inspt; + int i; + + for (i = 0; i < tab->numents; ++i) { + if (tab->ents[i]->ind > ent->ind) { + break; + } + } + inspt = i; + + if (tab->numents >= tab->maxents) { + if (jpc_ppxstab_grow(tab, tab->maxents + 128)) { + return -1; + } + } + + for (i = tab->numents; i > inspt; --i) { + tab->ents[i] = tab->ents[i - 1]; + } + tab->ents[i] = ent; + ++tab->numents; + + return 0; +} + +jpc_streamlist_t *jpc_ppmstabtostreams(jpc_ppxstab_t *tab) +{ + jpc_streamlist_t *streams; + uchar *dataptr; + uint_fast32_t datacnt; + uint_fast32_t tpcnt; + jpc_ppxstabent_t *ent; + int entno; + jas_stream_t *stream; + int n; + + if (!(streams = jpc_streamlist_create())) { + goto error; + } + + if (!tab->numents) { + return streams; + } + + entno = 0; + ent = tab->ents[entno]; + dataptr = ent->data; + datacnt = ent->len; + for (;;) { + + /* Get the length of the packet header data for the current + tile-part. */ + if (datacnt < 4) { + goto error; + } + if (!(stream = jas_stream_memopen(0, 0))) { + goto error; + } + if (jpc_streamlist_insert(streams, jpc_streamlist_numstreams(streams), + stream)) { + goto error; + } + tpcnt = (dataptr[0] << 24) | (dataptr[1] << 16) | (dataptr[2] << 8) + | dataptr[3]; + datacnt -= 4; + dataptr += 4; + + /* Get the packet header data for the current tile-part. */ + while (tpcnt) { + if (!datacnt) { + if (++entno >= tab->numents) { + goto error; + } + ent = tab->ents[entno]; + dataptr = ent->data; + datacnt = ent->len; + } + n = JAS_MIN(tpcnt, datacnt); + if (jas_stream_write(stream, dataptr, n) != n) { + goto error; + } + tpcnt -= n; + dataptr += n; + datacnt -= n; + } + jas_stream_rewind(stream); + if (!datacnt) { + if (++entno >= tab->numents) { + break; + } + ent = tab->ents[entno]; + dataptr = ent->data; + datacnt = ent->len; + } + } + + return streams; + +error: + jpc_streamlist_destroy(streams); + return 0; +} + +int jpc_pptstabwrite(jas_stream_t *out, jpc_ppxstab_t *tab) +{ + int i; + jpc_ppxstabent_t *ent; + for (i = 0; i < tab->numents; ++i) { + ent = tab->ents[i]; + if (jas_stream_write(out, ent->data, ent->len) != JAS_CAST(int, ent->len)) { + return -1; + } + } + return 0; +} + +jpc_ppxstabent_t *jpc_ppxstabent_create() +{ + jpc_ppxstabent_t *ent; + if (!(ent = jas_malloc(sizeof(jpc_ppxstabent_t)))) { + return 0; + } + ent->data = 0; + ent->len = 0; + ent->ind = 0; + return ent; +} + +void jpc_ppxstabent_destroy(jpc_ppxstabent_t *ent) +{ + if (ent->data) { + jas_free(ent->data); + } + jas_free(ent); +} diff --git a/src/libjasper/jpc/jpc_dec.h b/src/libjasper/jpc/jpc_dec.h new file mode 100644 index 0000000..20e114a --- /dev/null +++ b/src/libjasper/jpc/jpc_dec.h @@ -0,0 +1,696 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * JPEG-2000 Decoder + * + * $Id: jpc_dec.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_DEC_H +#define JPC_DEC_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_stream.h" + +#include "jpc_tsfb.h" +#include "jpc_bs.h" +#include "jpc_tagtree.h" +#include "jpc_cs.h" +#include "jpc_cod.h" +#include "jpc_mqdec.h" +#include "jpc_t2cod.h" + +/******************************************************************************\ +* Below are some ugly warts necessary to support packed packet headers. +\******************************************************************************/ + +/* PPM/PPT marker segment table entry. */ + +typedef struct { + + /* The index for this entry. */ + uint_fast16_t ind; + + /* The data length. */ + uint_fast32_t len; + + /* The data. */ + uchar *data; + +} jpc_ppxstabent_t; + +/* PPM/PPT marker segment table. */ + +typedef struct { + + /* The number of entries. */ + int numents; + + /* The maximum number of entries (i.e., the allocated size of the array + below). */ + int maxents; + + /* The table entries. */ + jpc_ppxstabent_t **ents; + +} jpc_ppxstab_t; + +/* Stream list class. */ + +typedef struct { + + /* The number of streams in this list. */ + int numstreams; + + /* The maximum number of streams that can be accomodated without + growing the streams array. */ + int maxstreams; + + /* The streams. */ + jas_stream_t **streams; + +} jpc_streamlist_t; + +/******************************************************************************\ +* Coding parameters class. +\******************************************************************************/ + +/* Per-component coding parameters. */ + +typedef struct { + + /* How were various coding parameters set? */ + int flags; + + /* Per-component coding style parameters (e.g., explicit precinct sizes) */ + uint_fast8_t csty; + + /* The number of resolution levels. */ + uint_fast8_t numrlvls; + + /* The code block width exponent. */ + uint_fast8_t cblkwidthexpn; + + /* The code block height exponent. */ + uint_fast8_t cblkheightexpn; + + /* The QMFB ID. */ + uint_fast8_t qmfbid; + + /* The quantization style. */ + uint_fast8_t qsty; + + /* The number of quantizer step sizes. */ + uint_fast16_t numstepsizes; + + /* The step sizes. */ + uint_fast16_t stepsizes[3 * JPC_MAXRLVLS + 1]; + + /* The number of guard bits. */ + uint_fast8_t numguardbits; + + /* The ROI shift value. */ + uint_fast8_t roishift; + + /* The code block parameters. */ + uint_fast8_t cblkctx; + + /* The precinct width exponents. */ + uint_fast8_t prcwidthexpns[JPC_MAXRLVLS]; + + /* The precinct height exponents. */ + uint_fast8_t prcheightexpns[JPC_MAXRLVLS]; + +} jpc_dec_ccp_t; + +/* Coding paramters. */ + +typedef struct { + + /* How were these coding parameters set? */ + int flags; + + /* Progression change list. */ + jpc_pchglist_t *pchglist; + + /* Progression order. */ + uint_fast8_t prgord; + + /* The number of layers. */ + uint_fast16_t numlyrs; + + /* The MCT ID. */ + uint_fast8_t mctid; + + /* The coding style parameters (e.g., SOP, EPH). */ + uint_fast8_t csty; + + /* The number of components. */ + int numcomps; + + /* The per-component coding parameters. */ + jpc_dec_ccp_t *ccps; + +} jpc_dec_cp_t; + +/******************************************************************************\ +* Decoder class. +\******************************************************************************/ + +/* Decoder per-segment state information. */ + +typedef struct jpc_dec_seg_s { + + /* The next segment in the list. */ + struct jpc_dec_seg_s *next; + + /* The previous segment in the list. */ + struct jpc_dec_seg_s *prev; + + /* The starting pass number for this segment. */ + int passno; + + /* The number of passes in this segment. */ + int numpasses; + + /* The maximum number of passes in this segment. */ + int maxpasses; + + /* The type of data in this segment (i.e., MQ or raw). */ + int type; + + /* A stream containing the data for this segment. */ + jas_stream_t *stream; + + /* The number of bytes destined for this segment from the packet + currently being decoded. */ + int cnt; + + /* A flag indicating if this segment has been terminated. */ + int complete; + + /* The layer number to which this segment belongs. */ + /* If the segment spans multiple layers, then the largest layer number + spanned by the segment is used. */ + int lyrno; + +} jpc_dec_seg_t; + +/* Decoder segment list. */ + +typedef struct { + + /* The first entry in the list. */ + jpc_dec_seg_t *head; + + /* The last entry in the list. */ + jpc_dec_seg_t *tail; + +} jpc_dec_seglist_t; + +/* Decoder per-code-block state information. */ + +typedef struct { + + /* The number of passes. */ + int numpasses; + + /* A list of segments that still need to be decoded. */ + jpc_dec_seglist_t segs; + + /* The first incomplete/partial segment. */ + jpc_dec_seg_t *curseg; + + /* The number of leading insignificant bit planes for this code block. */ + int numimsbs; + + /* The number of bits used to encode pass data lengths. */ + int numlenbits; + + /* The first pass number containing data for this code block. */ + int firstpassno; + + /* The MQ decoder. */ + jpc_mqdec_t *mqdec; + + /* The raw bit stream decoder. */ + jpc_bitstream_t *nulldec; + + /* The per-sample state information for this code block. */ + jas_matrix_t *flags; + + /* The sample data associated with this code block. */ + jas_matrix_t *data; + +} jpc_dec_cblk_t; + +/* Decoder per-code-block-group state information. */ + +typedef struct { + + /* The x-coordinate of the top-left corner of the precinct. */ + uint_fast32_t xstart; + + /* The y-coordinate of the top-left corner of the precinct. */ + uint_fast32_t ystart; + + /* The x-coordinate of the bottom-right corner of the precinct + (plus one). */ + uint_fast32_t xend; + + /* The y-coordinate of the bottom-right corner of the precinct + (plus one). */ + uint_fast32_t yend; + + /* The number of code blocks spanning this precinct in the horizontal + direction. */ + int numhcblks; + + /* The number of code blocks spanning this precinct in the vertical + direction. */ + int numvcblks; + + /* The total number of code blocks in this precinct. */ + int numcblks; + + /* The per code block information. */ + jpc_dec_cblk_t *cblks; + + /* The inclusion tag tree. */ + jpc_tagtree_t *incltagtree; + + /* The insignificant MSBs tag tree. */ + jpc_tagtree_t *numimsbstagtree; + +} jpc_dec_prc_t; + +/* Decoder per-band state information. */ + +typedef struct { + + /* The per-code-block-group state information. */ + jpc_dec_prc_t *prcs; + + /* The sample data associated with this band. */ + jas_matrix_t *data; + + /* The orientation of this band (i.e., LL, LH, HL, or HH). */ + int orient; + + /* The encoded quantizer step size. */ + int stepsize; + + /* The absolute quantizer step size. */ + jpc_fix_t absstepsize; + + /* The number of bit planes for this band. */ + int numbps; + + /* The analysis gain associated with this band. */ + int analgain; + + /* The ROI shift value for this band. */ + int roishift; + +} jpc_dec_band_t; + +/* Decoder per-resolution-level state information. */ + +typedef struct { + + /* The number of bands associated with this resolution level. */ + int numbands; + + /* The per-band information. */ + jpc_dec_band_t *bands; + + /* The x-coordinate of the top-left corner of the tile-component + at this resolution. */ + uint_fast32_t xstart; + + /* The y-coordinate of the top-left corner of the tile-component + at this resolution. */ + uint_fast32_t ystart; + + /* The x-coordinate of the bottom-right corner of the tile-component + at this resolution (plus one). */ + uint_fast32_t xend; + + /* The y-coordinate of the bottom-right corner of the tile-component + at this resolution (plus one). */ + uint_fast32_t yend; + + /* The exponent value for the nominal precinct width measured + relative to the associated LL band. */ + int prcwidthexpn; + + /* The exponent value for the nominal precinct height measured + relative to the associated LL band. */ + int prcheightexpn; + + /* The number of precincts in the horizontal direction. */ + int numhprcs; + + /* The number of precincts in the vertical direction. */ + int numvprcs; + + /* The total number of precincts. */ + int numprcs; + + /* The exponent value for the nominal code block group width. + This quantity is associated with the next lower resolution level + (assuming that there is one). */ + int cbgwidthexpn; + + /* The exponent value for the nominal code block group height + This quantity is associated with the next lower resolution level + (assuming that there is one). */ + int cbgheightexpn; + + /* The exponent value for the code block width. */ + uint_fast16_t cblkwidthexpn; + + /* The exponent value for the code block height. */ + uint_fast16_t cblkheightexpn; + +} jpc_dec_rlvl_t; + +/* Decoder per-tile-component state information. */ + +typedef struct { + + /* The x-coordinate of the top-left corner of the tile-component + in the coordinate system of the tile-component. */ + uint_fast32_t xstart; + + /* The y-coordinate of the top-left corner of the tile-component + in the coordinate system of the tile-component. */ + uint_fast32_t ystart; + + /* The x-coordinate of the bottom-right corner of the tile-component + in the coordinate system of the tile-component (plus one). */ + uint_fast32_t xend; + + /* The y-coordinate of the bottom-right corner of the tile-component + in the coordinate system of the tile-component (plus one). */ + uint_fast32_t yend; + + /* The component data for the current tile. */ + jas_matrix_t *data; + + /* The number of resolution levels. */ + int numrlvls; + + /* The per resolution level information. */ + jpc_dec_rlvl_t *rlvls; + + /* The TSFB. */ + jpc_tsfb_t *tsfb; + +} jpc_dec_tcomp_t; + +/* + * Tile states. + */ + +#define JPC_TILE_INIT 0 +#define JPC_TILE_ACTIVE 1 +#define JPC_TILE_ACTIVELAST 2 +#define JPC_TILE_DONE 3 + +/* Decoder per-tile state information. */ + +typedef struct { + + /* The processing state for this tile. */ + int state; + + /* The x-coordinate of the top-left corner of the tile on the reference + grid. */ + uint_fast32_t xstart; + + /* The y-coordinate of the top-left corner of the tile on the reference + grid. */ + uint_fast32_t ystart; + + /* The x-coordinate of the bottom-right corner of the tile on the + reference grid (plus one). */ + uint_fast32_t xend; + + /* The y-coordinate of the bottom-right corner of the tile on the + reference grid (plus one). */ + uint_fast32_t yend; + + /* The packed packet header data for this tile. */ + jpc_ppxstab_t *pptstab; + + /* A stream containing the packed packet header data for this tile. */ + jas_stream_t *pkthdrstream; + + /* The current position within the packed packet header stream. */ + long pkthdrstreampos; + + /* The coding parameters for this tile. */ + jpc_dec_cp_t *cp; + + /* The per tile-component information. */ + jpc_dec_tcomp_t *tcomps; + + /* The next expected tile-part number. */ + int partno; + + /* The number of tile-parts. */ + int numparts; + + /* The coding mode. */ + int realmode; + + /* The packet iterator for this tile. */ + jpc_pi_t *pi; + +} jpc_dec_tile_t; + +/* Decoder per-component state information. */ + +typedef struct { + + /* The horizontal sampling period. */ + uint_fast32_t hstep; + + /* The vertical sampling period. */ + uint_fast32_t vstep; + + /* The number of samples in the horizontal direction. */ + uint_fast32_t width; + + /* The number of samples in the vertical direction. */ + uint_fast32_t height; + + /* The precision of the sample data. */ + uint_fast16_t prec; + + /* The signedness of the sample data. */ + bool sgnd; + + /* The sample alignment horizontal offset. */ + uint_fast32_t hsubstep; + + /* The sample alignment vertical offset. */ + uint_fast32_t vsubstep; + +} jpc_dec_cmpt_t; + +/* Decoder state information. */ + +typedef struct { + + /* The decoded image. */ + jas_image_t *image; + + /* The x-coordinate of the top-left corner of the image area on + the reference grid. */ + uint_fast32_t xstart; + + /* The y-coordinate of the top-left corner of the image area on + the reference grid. */ + uint_fast32_t ystart; + + /* The x-coordinate of the bottom-right corner of the image area on + the reference grid (plus one). */ + uint_fast32_t xend; + + /* The y-coordinate of the bottom-right corner of the image area on + the reference grid (plus one). */ + uint_fast32_t yend; + + /* The nominal tile width in units of the image reference grid. */ + uint_fast32_t tilewidth; + + /* The nominal tile height in units of the image reference grid. */ + uint_fast32_t tileheight; + + /* The horizontal offset from the origin of the reference grid to the + left side of the first tile. */ + uint_fast32_t tilexoff; + + /* The vertical offset from the origin of the reference grid to the + top side of the first tile. */ + uint_fast32_t tileyoff; + + /* The number of tiles spanning the image area in the vertical + direction. */ + int numhtiles; + + /* The number of tiles spanning the image area in the horizontal + direction. */ + int numvtiles; + + /* The total number of tiles. */ + int numtiles; + + /* The per-tile information. */ + jpc_dec_tile_t *tiles; + + /* The tile currently being processed. */ + jpc_dec_tile_t *curtile; + + /* The number of components. */ + int numcomps; + + /* The stream containing the input JPEG-2000 code stream data. */ + jas_stream_t *in; + + /* The default coding parameters for all tiles. */ + jpc_dec_cp_t *cp; + + /* The maximum number of layers that may be decoded. */ + int maxlyrs; + + /* The maximum number of packets that may be decoded. */ + int maxpkts; + + /* The number of packets decoded so far in the processing of the entire + code stream. */ + int numpkts; + + /* The next expected PPM marker segment sequence number. */ + int ppmseqno; + + /* The current state for code stream processing. */ + int state; + + /* The per-component information. */ + jpc_dec_cmpt_t *cmpts; + + /* The information from PPM marker segments. */ + jpc_ppxstab_t *ppmstab; + + /* A list of streams containing packet header data from PPM marker + segments. */ + jpc_streamlist_t *pkthdrstreams; + + /* The expected ending offset for a tile-part. */ + long curtileendoff; + + /* This is required by the tier-2 decoder. */ + jpc_cstate_t *cstate; + +} jpc_dec_t; + +/* Decoder options. */ + +typedef struct { + + /* The debug level for the decoder. */ + int debug; + + /* The maximum number of layers to decode. */ + int maxlyrs; + + /* The maximum number of packets to decode. */ + int maxpkts; + +} jpc_dec_importopts_t; + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +/* Create a decoder segment object. */ +jpc_dec_seg_t *jpc_seg_alloc(void); + +/* Destroy a decoder segment object. */ +void jpc_seg_destroy(jpc_dec_seg_t *seg); + +/* Remove a segment from a segment list. */ +void jpc_seglist_remove(jpc_dec_seglist_t *list, jpc_dec_seg_t *node); + +/* Insert a segment into a segment list. */ +void jpc_seglist_insert(jpc_dec_seglist_t *list, jpc_dec_seg_t *ins, + jpc_dec_seg_t *node); + +#endif diff --git a/src/libjasper/jpc/jpc_enc.c b/src/libjasper/jpc/jpc_enc.c new file mode 100644 index 0000000..95afad2 --- /dev/null +++ b/src/libjasper/jpc/jpc_enc.c @@ -0,0 +1,2626 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * $Id: jpc_enc.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> +#include <math.h> +#include <float.h> + +#include "jasper/jas_types.h" +#include "jasper/jas_string.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_image.h" +#include "jasper/jas_fix.h" +#include "jasper/jas_tvp.h" +#include "jasper/jas_version.h" +#include "jasper/jas_math.h" +#include "jasper/jas_debug.h" + +#include "jpc_flt.h" +#include "jpc_fix.h" +#include "jpc_tagtree.h" +#include "jpc_enc.h" +#include "jpc_cs.h" +#include "jpc_mct.h" +#include "jpc_tsfb.h" +#include "jpc_qmfb.h" +#include "jpc_t1enc.h" +#include "jpc_t2enc.h" +#include "jpc_cod.h" +#include "jpc_math.h" +#include "jpc_util.h" + +/******************************************************************************\ +* +\******************************************************************************/ + +#define JPC_POW2(n) \ + (1 << (n)) + +#define JPC_FLOORTOMULTPOW2(x, n) \ + (((n) > 0) ? ((x) & (~((1 << n) - 1))) : (x)) +/* Round to the nearest multiple of the specified power of two in the + direction of negative infinity. */ + +#define JPC_CEILTOMULTPOW2(x, n) \ + (((n) > 0) ? JPC_FLOORTOMULTPOW2(((x) + (1 << (n)) - 1), n) : (x)) +/* Round to the nearest multiple of the specified power of two in the + direction of positive infinity. */ + +#define JPC_POW2(n) \ + (1 << (n)) + +jpc_enc_tile_t *jpc_enc_tile_create(jpc_enc_cp_t *cp, jas_image_t *image, int tileno); +void jpc_enc_tile_destroy(jpc_enc_tile_t *tile); + +static jpc_enc_tcmpt_t *tcmpt_create(jpc_enc_tcmpt_t *tcmpt, jpc_enc_cp_t *cp, + jas_image_t *image, jpc_enc_tile_t *tile); +static void tcmpt_destroy(jpc_enc_tcmpt_t *tcmpt); +static jpc_enc_rlvl_t *rlvl_create(jpc_enc_rlvl_t *rlvl, jpc_enc_cp_t *cp, + jpc_enc_tcmpt_t *tcmpt, jpc_tsfb_band_t *bandinfos); +static void rlvl_destroy(jpc_enc_rlvl_t *rlvl); +static jpc_enc_band_t *band_create(jpc_enc_band_t *band, jpc_enc_cp_t *cp, + jpc_enc_rlvl_t *rlvl, jpc_tsfb_band_t *bandinfos); +static void band_destroy(jpc_enc_band_t *bands); +static jpc_enc_prc_t *prc_create(jpc_enc_prc_t *prc, jpc_enc_cp_t *cp, + jpc_enc_band_t *band); +static void prc_destroy(jpc_enc_prc_t *prcs); +static jpc_enc_cblk_t *cblk_create(jpc_enc_cblk_t *cblk, jpc_enc_cp_t *cp, + jpc_enc_prc_t *prc); +static void cblk_destroy(jpc_enc_cblk_t *cblks); +int ratestrtosize(char *s, uint_fast32_t rawsize, uint_fast32_t *size); +static void pass_destroy(jpc_enc_pass_t *pass); +void jpc_enc_dump(jpc_enc_t *enc); + +/******************************************************************************\ +* Local prototypes. +\******************************************************************************/ + +int dump_passes(jpc_enc_pass_t *passes, int numpasses, jpc_enc_cblk_t *cblk); +void calcrdslopes(jpc_enc_cblk_t *cblk); +void dump_layeringinfo(jpc_enc_t *enc); +static int jpc_calcssexp(jpc_fix_t stepsize); +static int jpc_calcssmant(jpc_fix_t stepsize); +void jpc_quantize(jas_matrix_t *data, jpc_fix_t stepsize); +static int jpc_enc_encodemainhdr(jpc_enc_t *enc); +static int jpc_enc_encodemainbody(jpc_enc_t *enc); +int jpc_enc_encodetiledata(jpc_enc_t *enc); +jpc_enc_t *jpc_enc_create(jpc_enc_cp_t *cp, jas_stream_t *out, jas_image_t *image); +void jpc_enc_destroy(jpc_enc_t *enc); +static int jpc_enc_encodemainhdr(jpc_enc_t *enc); +static int jpc_enc_encodemainbody(jpc_enc_t *enc); +int jpc_enc_encodetiledata(jpc_enc_t *enc); +int rateallocate(jpc_enc_t *enc, int numlyrs, uint_fast32_t *cumlens); +int setins(int numvalues, jpc_flt_t *values, jpc_flt_t value); +static jpc_enc_cp_t *cp_create(char *optstr, jas_image_t *image); +void jpc_enc_cp_destroy(jpc_enc_cp_t *cp); +static uint_fast32_t jpc_abstorelstepsize(jpc_fix_t absdelta, int scaleexpn); + +#define GJPC_QCX_EXPN(x) (((x) & (~0x1f)), (((x) & 0x1f) << 11)) +#define GJPC_QCX_MANT(x) (((x) & (~0x7ff)), ((x) & 0x7ff)) + +static uint_fast32_t jpc_abstorelstepsize(jpc_fix_t absdelta, int scaleexpn) +{ + int p; + uint_fast32_t mant; + uint_fast32_t expn; + int n; + + if (absdelta < 0) { + abort(); + } + + p = jpc_firstone(absdelta) - JPC_FIX_FRACBITS; + n = 11 - jpc_firstone(absdelta); + mant = ((n < 0) ? (absdelta >> (-n)) : (absdelta << n)) & 0x7ff; + expn = scaleexpn - p; + if (scaleexpn < p) { + abort(); + } + return JPC_QCX_EXPN(expn) | JPC_QCX_MANT(mant); +} + +typedef enum { + OPT_DEBUG, + OPT_IMGAREAOFFX, + OPT_IMGAREAOFFY, + OPT_TILEGRDOFFX, + OPT_TILEGRDOFFY, + OPT_TILEWIDTH, + OPT_TILEHEIGHT, + OPT_PRCWIDTH, + OPT_PRCHEIGHT, + OPT_CBLKWIDTH, + OPT_CBLKHEIGHT, + OPT_MODE, + OPT_PRG, + OPT_NOMCT, + OPT_MAXRLVLS, + OPT_SOP, + OPT_EPH, + OPT_LAZY, + OPT_TERMALL, + OPT_SEGSYM, + OPT_VCAUSAL, + OPT_RESET, + OPT_PTERM, + OPT_NUMGBITS, + OPT_RATE, + OPT_ILYRRATES, + OPT_JP2OVERHEAD +} optid_t; + +jas_taginfo_t encopts[] = { + {OPT_DEBUG, "debug"}, + {OPT_IMGAREAOFFX, "imgareatlx"}, + {OPT_IMGAREAOFFY, "imgareatly"}, + {OPT_TILEGRDOFFX, "tilegrdtlx"}, + {OPT_TILEGRDOFFY, "tilegrdtly"}, + {OPT_TILEWIDTH, "tilewidth"}, + {OPT_TILEHEIGHT, "tileheight"}, + {OPT_PRCWIDTH, "prcwidth"}, + {OPT_PRCHEIGHT, "prcheight"}, + {OPT_CBLKWIDTH, "cblkwidth"}, + {OPT_CBLKHEIGHT, "cblkheight"}, + {OPT_MODE, "mode"}, + {OPT_PRG, "prg"}, + {OPT_NOMCT, "nomct"}, + {OPT_MAXRLVLS, "numrlvls"}, + {OPT_SOP, "sop"}, + {OPT_EPH, "eph"}, + {OPT_LAZY, "lazy"}, + {OPT_TERMALL, "termall"}, + {OPT_SEGSYM, "segsym"}, + {OPT_VCAUSAL, "vcausal"}, + {OPT_PTERM, "pterm"}, + {OPT_RESET, "resetprob"}, + {OPT_NUMGBITS, "numgbits"}, + {OPT_RATE, "rate"}, + {OPT_ILYRRATES, "ilyrrates"}, + {OPT_JP2OVERHEAD, "_jp2overhead"}, + {-1, 0} +}; + +typedef enum { + PO_L = 0, + PO_R +} poid_t; + + +jas_taginfo_t prgordtab[] = { + {JPC_COD_LRCPPRG, "lrcp"}, + {JPC_COD_RLCPPRG, "rlcp"}, + {JPC_COD_RPCLPRG, "rpcl"}, + {JPC_COD_PCRLPRG, "pcrl"}, + {JPC_COD_CPRLPRG, "cprl"}, + {-1, 0} +}; + +typedef enum { + MODE_INT, + MODE_REAL +} modeid_t; + +jas_taginfo_t modetab[] = { + {MODE_INT, "int"}, + {MODE_REAL, "real"}, + {-1, 0} +}; + +/******************************************************************************\ +* The main encoder entry point. +\******************************************************************************/ + +int jpc_encode(jas_image_t *image, jas_stream_t *out, char *optstr) +{ + jpc_enc_t *enc; + jpc_enc_cp_t *cp; + + enc = 0; + cp = 0; + + jpc_initluts(); + + if (!(cp = cp_create(optstr, image))) { + jas_eprintf("invalid JP encoder options\n"); + goto error; + } + + if (!(enc = jpc_enc_create(cp, out, image))) { + goto error; + } + cp = 0; + + /* Encode the main header. */ + if (jpc_enc_encodemainhdr(enc)) { + goto error; + } + + /* Encode the main body. This constitutes most of the encoding work. */ + if (jpc_enc_encodemainbody(enc)) { + goto error; + } + + /* Write EOC marker segment. */ + if (!(enc->mrk = jpc_ms_create(JPC_MS_EOC))) { + goto error; + } + if (jpc_putms(enc->out, enc->cstate, enc->mrk)) { + jas_eprintf("cannot write EOI marker\n"); + goto error; + } + jpc_ms_destroy(enc->mrk); + enc->mrk = 0; + + if (jas_stream_flush(enc->out)) { + goto error; + } + + jpc_enc_destroy(enc); + + return 0; + +error: + if (cp) { + jpc_enc_cp_destroy(cp); + } + if (enc) { + jpc_enc_destroy(enc); + } + return -1; +} + +/******************************************************************************\ +* Option parsing code. +\******************************************************************************/ + +static jpc_enc_cp_t *cp_create(char *optstr, jas_image_t *image) +{ + jpc_enc_cp_t *cp; + jas_tvparser_t *tvp; + int ret; + int numilyrrates; + double *ilyrrates; + int i; + int tagid; + jpc_enc_tcp_t *tcp; + jpc_enc_tccp_t *tccp; + jpc_enc_ccp_t *ccp; + int cmptno; + uint_fast16_t rlvlno; + uint_fast16_t prcwidthexpn; + uint_fast16_t prcheightexpn; + bool enablemct; + uint_fast32_t jp2overhead; + uint_fast16_t lyrno; + uint_fast32_t hsteplcm; + uint_fast32_t vsteplcm; + bool mctvalid; + + tvp = 0; + cp = 0; + ilyrrates = 0; + numilyrrates = 0; + + if (!(cp = jas_malloc(sizeof(jpc_enc_cp_t)))) { + goto error; + } + + prcwidthexpn = 15; + prcheightexpn = 15; + enablemct = true; + jp2overhead = 0; + + cp->ccps = 0; + cp->debug = 0; + cp->imgareatlx = UINT_FAST32_MAX; + cp->imgareatly = UINT_FAST32_MAX; + cp->refgrdwidth = 0; + cp->refgrdheight = 0; + cp->tilegrdoffx = UINT_FAST32_MAX; + cp->tilegrdoffy = UINT_FAST32_MAX; + cp->tilewidth = 0; + cp->tileheight = 0; + cp->numcmpts = jas_image_numcmpts(image); + + hsteplcm = 1; + vsteplcm = 1; + for (cmptno = 0; cmptno < jas_image_numcmpts(image); ++cmptno) { + if (jas_image_cmptbrx(image, cmptno) + jas_image_cmpthstep(image, cmptno) <= + jas_image_brx(image) || jas_image_cmptbry(image, cmptno) + + jas_image_cmptvstep(image, cmptno) <= jas_image_bry(image)) { + jas_eprintf("unsupported image type\n"); + goto error; + } + /* Note: We ought to be calculating the LCMs here. Fix some day. */ + hsteplcm *= jas_image_cmpthstep(image, cmptno); + vsteplcm *= jas_image_cmptvstep(image, cmptno); + } + + if (!(cp->ccps = jas_malloc(cp->numcmpts * sizeof(jpc_enc_ccp_t)))) { + goto error; + } + for (cmptno = 0, ccp = cp->ccps; cmptno < JAS_CAST(int, cp->numcmpts); ++cmptno, + ++ccp) { + ccp->sampgrdstepx = jas_image_cmpthstep(image, cmptno); + ccp->sampgrdstepy = jas_image_cmptvstep(image, cmptno); + /* XXX - this isn't quite correct for more general image */ + ccp->sampgrdsubstepx = 0; + ccp->sampgrdsubstepx = 0; + ccp->prec = jas_image_cmptprec(image, cmptno); + ccp->sgnd = jas_image_cmptsgnd(image, cmptno); + ccp->numstepsizes = 0; + memset(ccp->stepsizes, 0, sizeof(ccp->stepsizes)); + } + + cp->rawsize = jas_image_rawsize(image); + cp->totalsize = UINT_FAST32_MAX; + + tcp = &cp->tcp; + tcp->csty = 0; + tcp->intmode = true; + tcp->prg = JPC_COD_LRCPPRG; + tcp->numlyrs = 1; + tcp->ilyrrates = 0; + + tccp = &cp->tccp; + tccp->csty = 0; + tccp->maxrlvls = 6; + tccp->cblkwidthexpn = 6; + tccp->cblkheightexpn = 6; + tccp->cblksty = 0; + tccp->numgbits = 2; + + if (!(tvp = jas_tvparser_create(optstr ? optstr : ""))) { + goto error; + } + + while (!(ret = jas_tvparser_next(tvp))) { + switch (jas_taginfo_nonull(jas_taginfos_lookup(encopts, + jas_tvparser_gettag(tvp)))->id) { + case OPT_DEBUG: + cp->debug = atoi(jas_tvparser_getval(tvp)); + break; + case OPT_IMGAREAOFFX: + cp->imgareatlx = atoi(jas_tvparser_getval(tvp)); + break; + case OPT_IMGAREAOFFY: + cp->imgareatly = atoi(jas_tvparser_getval(tvp)); + break; + case OPT_TILEGRDOFFX: + cp->tilegrdoffx = atoi(jas_tvparser_getval(tvp)); + break; + case OPT_TILEGRDOFFY: + cp->tilegrdoffy = atoi(jas_tvparser_getval(tvp)); + break; + case OPT_TILEWIDTH: + cp->tilewidth = atoi(jas_tvparser_getval(tvp)); + break; + case OPT_TILEHEIGHT: + cp->tileheight = atoi(jas_tvparser_getval(tvp)); + break; + case OPT_PRCWIDTH: + prcwidthexpn = jpc_floorlog2(atoi(jas_tvparser_getval(tvp))); + break; + case OPT_PRCHEIGHT: + prcheightexpn = jpc_floorlog2(atoi(jas_tvparser_getval(tvp))); + break; + case OPT_CBLKWIDTH: + tccp->cblkwidthexpn = + jpc_floorlog2(atoi(jas_tvparser_getval(tvp))); + break; + case OPT_CBLKHEIGHT: + tccp->cblkheightexpn = + jpc_floorlog2(atoi(jas_tvparser_getval(tvp))); + break; + case OPT_MODE: + if ((tagid = jas_taginfo_nonull(jas_taginfos_lookup(modetab, + jas_tvparser_getval(tvp)))->id) < 0) { + jas_eprintf("ignoring invalid mode %s\n", + jas_tvparser_getval(tvp)); + } else { + tcp->intmode = (tagid == MODE_INT); + } + break; + case OPT_PRG: + if ((tagid = jas_taginfo_nonull(jas_taginfos_lookup(prgordtab, + jas_tvparser_getval(tvp)))->id) < 0) { + jas_eprintf("ignoring invalid progression order %s\n", + jas_tvparser_getval(tvp)); + } else { + tcp->prg = tagid; + } + break; + case OPT_NOMCT: + enablemct = false; + break; + case OPT_MAXRLVLS: + tccp->maxrlvls = atoi(jas_tvparser_getval(tvp)); + break; + case OPT_SOP: + cp->tcp.csty |= JPC_COD_SOP; + break; + case OPT_EPH: + cp->tcp.csty |= JPC_COD_EPH; + break; + case OPT_LAZY: + tccp->cblksty |= JPC_COX_LAZY; + break; + case OPT_TERMALL: + tccp->cblksty |= JPC_COX_TERMALL; + break; + case OPT_SEGSYM: + tccp->cblksty |= JPC_COX_SEGSYM; + break; + case OPT_VCAUSAL: + tccp->cblksty |= JPC_COX_VSC; + break; + case OPT_RESET: + tccp->cblksty |= JPC_COX_RESET; + break; + case OPT_PTERM: + tccp->cblksty |= JPC_COX_PTERM; + break; + case OPT_NUMGBITS: + cp->tccp.numgbits = atoi(jas_tvparser_getval(tvp)); + break; + case OPT_RATE: + if (ratestrtosize(jas_tvparser_getval(tvp), cp->rawsize, + &cp->totalsize)) { + jas_eprintf("ignoring bad rate specifier %s\n", + jas_tvparser_getval(tvp)); + } + break; + case OPT_ILYRRATES: + if (jpc_atoaf(jas_tvparser_getval(tvp), &numilyrrates, + &ilyrrates)) { + jas_eprintf("warning: invalid intermediate layer rates specifier ignored (%s)\n", + jas_tvparser_getval(tvp)); + } + break; + + case OPT_JP2OVERHEAD: + jp2overhead = atoi(jas_tvparser_getval(tvp)); + break; + default: + jas_eprintf("warning: ignoring invalid option %s\n", + jas_tvparser_gettag(tvp)); + break; + } + } + + jas_tvparser_destroy(tvp); + tvp = 0; + + if (cp->totalsize != UINT_FAST32_MAX) { + cp->totalsize = (cp->totalsize > jp2overhead) ? + (cp->totalsize - jp2overhead) : 0; + } + + if (cp->imgareatlx == UINT_FAST32_MAX) { + cp->imgareatlx = 0; + } else { + if (hsteplcm != 1) { + jas_eprintf("warning: overriding imgareatlx value\n"); + } + cp->imgareatlx *= hsteplcm; + } + if (cp->imgareatly == UINT_FAST32_MAX) { + cp->imgareatly = 0; + } else { + if (vsteplcm != 1) { + jas_eprintf("warning: overriding imgareatly value\n"); + } + cp->imgareatly *= vsteplcm; + } + cp->refgrdwidth = cp->imgareatlx + jas_image_width(image); + cp->refgrdheight = cp->imgareatly + jas_image_height(image); + if (cp->tilegrdoffx == UINT_FAST32_MAX) { + cp->tilegrdoffx = cp->imgareatlx; + } + if (cp->tilegrdoffy == UINT_FAST32_MAX) { + cp->tilegrdoffy = cp->imgareatly; + } + if (!cp->tilewidth) { + cp->tilewidth = cp->refgrdwidth - cp->tilegrdoffx; + } + if (!cp->tileheight) { + cp->tileheight = cp->refgrdheight - cp->tilegrdoffy; + } + + if (cp->numcmpts == 3) { + mctvalid = true; + for (cmptno = 0; cmptno < jas_image_numcmpts(image); ++cmptno) { + if (jas_image_cmptprec(image, cmptno) != jas_image_cmptprec(image, 0) || + jas_image_cmptsgnd(image, cmptno) != jas_image_cmptsgnd(image, 0) || + jas_image_cmptwidth(image, cmptno) != jas_image_cmptwidth(image, 0) || + jas_image_cmptheight(image, cmptno) != jas_image_cmptheight(image, 0)) { + mctvalid = false; + } + } + } else { + mctvalid = false; + } + if (mctvalid && enablemct && jas_clrspc_fam(jas_image_clrspc(image)) != JAS_CLRSPC_FAM_RGB) { + jas_eprintf("warning: color space apparently not RGB\n"); + } + if (mctvalid && enablemct && jas_clrspc_fam(jas_image_clrspc(image)) == JAS_CLRSPC_FAM_RGB) { + tcp->mctid = (tcp->intmode) ? (JPC_MCT_RCT) : (JPC_MCT_ICT); + } else { + tcp->mctid = JPC_MCT_NONE; + } + tccp->qmfbid = (tcp->intmode) ? (JPC_COX_RFT) : (JPC_COX_INS); + + for (rlvlno = 0; rlvlno < tccp->maxrlvls; ++rlvlno) { + tccp->prcwidthexpns[rlvlno] = prcwidthexpn; + tccp->prcheightexpns[rlvlno] = prcheightexpn; + } + if (prcwidthexpn != 15 || prcheightexpn != 15) { + tccp->csty |= JPC_COX_PRT; + } + + /* Ensure that the tile width and height is valid. */ + if (!cp->tilewidth) { + jas_eprintf("invalid tile width %lu\n", (unsigned long) + cp->tilewidth); + goto error; + } + if (!cp->tileheight) { + jas_eprintf("invalid tile height %lu\n", (unsigned long) + cp->tileheight); + goto error; + } + + /* Ensure that the tile grid offset is valid. */ + if (cp->tilegrdoffx > cp->imgareatlx || + cp->tilegrdoffy > cp->imgareatly || + cp->tilegrdoffx + cp->tilewidth < cp->imgareatlx || + cp->tilegrdoffy + cp->tileheight < cp->imgareatly) { + jas_eprintf("invalid tile grid offset (%lu, %lu)\n", + (unsigned long) cp->tilegrdoffx, (unsigned long) + cp->tilegrdoffy); + goto error; + } + + cp->numhtiles = JPC_CEILDIV(cp->refgrdwidth - cp->tilegrdoffx, + cp->tilewidth); + cp->numvtiles = JPC_CEILDIV(cp->refgrdheight - cp->tilegrdoffy, + cp->tileheight); + cp->numtiles = cp->numhtiles * cp->numvtiles; + + if (ilyrrates && numilyrrates > 0) { + tcp->numlyrs = numilyrrates + 1; + if (!(tcp->ilyrrates = jas_malloc((tcp->numlyrs - 1) * + sizeof(jpc_fix_t)))) { + goto error; + } + for (i = 0; i < JAS_CAST(int, tcp->numlyrs - 1); ++i) { + tcp->ilyrrates[i] = jpc_dbltofix(ilyrrates[i]); + } + } + + /* Ensure that the integer mode is used in the case of lossless + coding. */ + if (cp->totalsize == UINT_FAST32_MAX && (!cp->tcp.intmode)) { + jas_eprintf("cannot use real mode for lossless coding\n"); + goto error; + } + + /* Ensure that the precinct width is valid. */ + if (prcwidthexpn > 15) { + jas_eprintf("invalid precinct width\n"); + goto error; + } + + /* Ensure that the precinct height is valid. */ + if (prcheightexpn > 15) { + jas_eprintf("invalid precinct height\n"); + goto error; + } + + /* Ensure that the code block width is valid. */ + if (cp->tccp.cblkwidthexpn < 2 || cp->tccp.cblkwidthexpn > 12) { + jas_eprintf("invalid code block width %d\n", + JPC_POW2(cp->tccp.cblkwidthexpn)); + goto error; + } + + /* Ensure that the code block height is valid. */ + if (cp->tccp.cblkheightexpn < 2 || cp->tccp.cblkheightexpn > 12) { + jas_eprintf("invalid code block height %d\n", + JPC_POW2(cp->tccp.cblkheightexpn)); + goto error; + } + + /* Ensure that the code block size is not too large. */ + if (cp->tccp.cblkwidthexpn + cp->tccp.cblkheightexpn > 12) { + jas_eprintf("code block size too large\n"); + goto error; + } + + /* Ensure that the number of layers is valid. */ + if (cp->tcp.numlyrs > 16384) { + jas_eprintf("too many layers\n"); + goto error; + } + + /* There must be at least one resolution level. */ + if (cp->tccp.maxrlvls < 1) { + jas_eprintf("must be at least one resolution level\n"); + goto error; + } + + /* Ensure that the number of guard bits is valid. */ + if (cp->tccp.numgbits > 8) { + jas_eprintf("invalid number of guard bits\n"); + goto error; + } + + /* Ensure that the rate is within the legal range. */ + if (cp->totalsize != UINT_FAST32_MAX && cp->totalsize > cp->rawsize) { + jas_eprintf("warning: specified rate is unreasonably large (%lu > %lu)\n", (unsigned long) cp->totalsize, (unsigned long) cp->rawsize); + } + + /* Ensure that the intermediate layer rates are valid. */ + if (tcp->numlyrs > 1) { + /* The intermediate layers rates must increase monotonically. */ + for (lyrno = 0; lyrno + 2 < tcp->numlyrs; ++lyrno) { + if (tcp->ilyrrates[lyrno] >= tcp->ilyrrates[lyrno + 1]) { + jas_eprintf("intermediate layer rates must increase monotonically\n"); + goto error; + } + } + /* The intermediate layer rates must be less than the overall rate. */ + if (cp->totalsize != UINT_FAST32_MAX) { + for (lyrno = 0; lyrno < tcp->numlyrs - 1; ++lyrno) { + if (jpc_fixtodbl(tcp->ilyrrates[lyrno]) > ((double) cp->totalsize) + / cp->rawsize) { + jas_eprintf("warning: intermediate layer rates must be less than overall rate\n"); + goto error; + } + } + } + } + + if (ilyrrates) { + jas_free(ilyrrates); + } + + return cp; + +error: + + if (ilyrrates) { + jas_free(ilyrrates); + } + if (tvp) { + jas_tvparser_destroy(tvp); + } + if (cp) { + jpc_enc_cp_destroy(cp); + } + return 0; +} + +void jpc_enc_cp_destroy(jpc_enc_cp_t *cp) +{ + if (cp->ccps) { + if (cp->tcp.ilyrrates) { + jas_free(cp->tcp.ilyrrates); + } + jas_free(cp->ccps); + } + jas_free(cp); +} + +int ratestrtosize(char *s, uint_fast32_t rawsize, uint_fast32_t *size) +{ + char *cp; + jpc_flt_t f; + + /* Note: This function must not modify output size on failure. */ + if ((cp = strchr(s, 'B'))) { + *size = atoi(s); + } else { + f = atof(s); + if (f < 0) { + *size = 0; + } else if (f > 1.0) { + *size = rawsize + 1; + } else { + *size = f * rawsize; + } + } + return 0; +} + +/******************************************************************************\ +* Encoder constructor and destructor. +\******************************************************************************/ + +jpc_enc_t *jpc_enc_create(jpc_enc_cp_t *cp, jas_stream_t *out, jas_image_t *image) +{ + jpc_enc_t *enc; + + enc = 0; + + if (!(enc = jas_malloc(sizeof(jpc_enc_t)))) { + goto error; + } + + enc->image = image; + enc->out = out; + enc->cp = cp; + enc->cstate = 0; + enc->tmpstream = 0; + enc->mrk = 0; + enc->curtile = 0; + + if (!(enc->cstate = jpc_cstate_create())) { + goto error; + } + enc->len = 0; + enc->mainbodysize = 0; + + return enc; + +error: + + if (enc) { + jpc_enc_destroy(enc); + } + return 0; +} + +void jpc_enc_destroy(jpc_enc_t *enc) +{ + /* The image object (i.e., enc->image) and output stream object + (i.e., enc->out) are created outside of the encoder. + Therefore, they must not be destroyed here. */ + + if (enc->curtile) { + jpc_enc_tile_destroy(enc->curtile); + } + if (enc->cp) { + jpc_enc_cp_destroy(enc->cp); + } + if (enc->cstate) { + jpc_cstate_destroy(enc->cstate); + } + if (enc->tmpstream) { + jas_stream_close(enc->tmpstream); + } + + jas_free(enc); +} + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +static int jpc_calcssmant(jpc_fix_t stepsize) +{ + int n; + int e; + int m; + + n = jpc_firstone(stepsize); + e = n - JPC_FIX_FRACBITS; + if (n >= 11) { + m = (stepsize >> (n - 11)) & 0x7ff; + } else { + m = (stepsize & ((1 << n) - 1)) << (11 - n); + } + return m; +} + +static int jpc_calcssexp(jpc_fix_t stepsize) +{ + return jpc_firstone(stepsize) - JPC_FIX_FRACBITS; +} + +static int jpc_enc_encodemainhdr(jpc_enc_t *enc) +{ + jpc_siz_t *siz; + jpc_cod_t *cod; + jpc_qcd_t *qcd; + int i; +long startoff; +long mainhdrlen; + jpc_enc_cp_t *cp; + jpc_qcc_t *qcc; + jpc_enc_tccp_t *tccp; + uint_fast16_t cmptno; + jpc_tsfb_band_t bandinfos[JPC_MAXBANDS]; + jpc_fix_t mctsynweight; + jpc_enc_tcp_t *tcp; + jpc_tsfb_t *tsfb; + jpc_tsfb_band_t *bandinfo; + uint_fast16_t numbands; + uint_fast16_t bandno; + uint_fast16_t rlvlno; + uint_fast16_t analgain; + jpc_fix_t absstepsize; + char buf[1024]; + jpc_com_t *com; + + cp = enc->cp; + +startoff = jas_stream_getrwcount(enc->out); + + /* Write SOC marker segment. */ + if (!(enc->mrk = jpc_ms_create(JPC_MS_SOC))) { + return -1; + } + if (jpc_putms(enc->out, enc->cstate, enc->mrk)) { + jas_eprintf("cannot write SOC marker\n"); + return -1; + } + jpc_ms_destroy(enc->mrk); + enc->mrk = 0; + + /* Write SIZ marker segment. */ + if (!(enc->mrk = jpc_ms_create(JPC_MS_SIZ))) { + return -1; + } + siz = &enc->mrk->parms.siz; + siz->caps = 0; + siz->xoff = cp->imgareatlx; + siz->yoff = cp->imgareatly; + siz->width = cp->refgrdwidth; + siz->height = cp->refgrdheight; + siz->tilexoff = cp->tilegrdoffx; + siz->tileyoff = cp->tilegrdoffy; + siz->tilewidth = cp->tilewidth; + siz->tileheight = cp->tileheight; + siz->numcomps = cp->numcmpts; + siz->comps = jas_malloc(siz->numcomps * sizeof(jpc_sizcomp_t)); + assert(siz->comps); + for (i = 0; i < JAS_CAST(int, cp->numcmpts); ++i) { + siz->comps[i].prec = cp->ccps[i].prec; + siz->comps[i].sgnd = cp->ccps[i].sgnd; + siz->comps[i].hsamp = cp->ccps[i].sampgrdstepx; + siz->comps[i].vsamp = cp->ccps[i].sampgrdstepy; + } + if (jpc_putms(enc->out, enc->cstate, enc->mrk)) { + jas_eprintf("cannot write SIZ marker\n"); + return -1; + } + jpc_ms_destroy(enc->mrk); + enc->mrk = 0; + + if (!(enc->mrk = jpc_ms_create(JPC_MS_COM))) { + return -1; + } + + // GeoJasper: dima - add GeoJasper info + //sprintf(buf, "Creator: JasPer Version %s", jas_getversion()); + sprintf(buf, "Creator: GeoJasPer %s JasPer %s", GJAS_VERSION, jas_getversion()); + com = &enc->mrk->parms.com; + com->len = strlen(buf); + com->regid = JPC_COM_LATIN; + if (!(com->data = JAS_CAST(uchar *, jas_strdup(buf)))) { + abort(); + } + if (jpc_putms(enc->out, enc->cstate, enc->mrk)) { + jas_eprintf("cannot write COM marker\n"); + return -1; + } + jpc_ms_destroy(enc->mrk); + enc->mrk = 0; + +#if 0 + if (!(enc->mrk = jpc_ms_create(JPC_MS_CRG))) { + return -1; + } + crg = &enc->mrk->parms.crg; + crg->comps = jas_malloc(crg->numcomps * sizeof(jpc_crgcomp_t)); + if (jpc_putms(enc->out, enc->cstate, enc->mrk)) { + jas_eprintf("cannot write CRG marker\n"); + return -1; + } + jpc_ms_destroy(enc->mrk); + enc->mrk = 0; +#endif + + tcp = &cp->tcp; + tccp = &cp->tccp; + for (cmptno = 0; cmptno < cp->numcmpts; ++cmptno) { + tsfb = jpc_cod_gettsfb(tccp->qmfbid, tccp->maxrlvls - 1); + jpc_tsfb_getbands(tsfb, 0, 0, 1 << tccp->maxrlvls, 1 << tccp->maxrlvls, + bandinfos); + jpc_tsfb_destroy(tsfb); + mctsynweight = jpc_mct_getsynweight(tcp->mctid, cmptno); + numbands = 3 * tccp->maxrlvls - 2; + for (bandno = 0, bandinfo = bandinfos; bandno < numbands; + ++bandno, ++bandinfo) { + rlvlno = (bandno) ? ((bandno - 1) / 3 + 1) : 0; + analgain = JPC_NOMINALGAIN(tccp->qmfbid, tccp->maxrlvls, + rlvlno, bandinfo->orient); + if (!tcp->intmode) { + absstepsize = jpc_fix_div(jpc_inttofix(1 << + (analgain + 1)), bandinfo->synenergywt); + } else { + absstepsize = jpc_inttofix(1); + } + cp->ccps[cmptno].stepsizes[bandno] = + jpc_abstorelstepsize(absstepsize, + cp->ccps[cmptno].prec + analgain); + } + cp->ccps[cmptno].numstepsizes = numbands; + } + + if (!(enc->mrk = jpc_ms_create(JPC_MS_COD))) { + return -1; + } + cod = &enc->mrk->parms.cod; + cod->csty = cp->tccp.csty | cp->tcp.csty; + cod->compparms.csty = cp->tccp.csty | cp->tcp.csty; + cod->compparms.numdlvls = cp->tccp.maxrlvls - 1; + cod->compparms.numrlvls = cp->tccp.maxrlvls; + cod->prg = cp->tcp.prg; + cod->numlyrs = cp->tcp.numlyrs; + cod->compparms.cblkwidthval = JPC_COX_CBLKSIZEEXPN(cp->tccp.cblkwidthexpn); + cod->compparms.cblkheightval = JPC_COX_CBLKSIZEEXPN(cp->tccp.cblkheightexpn); + cod->compparms.cblksty = cp->tccp.cblksty; + cod->compparms.qmfbid = cp->tccp.qmfbid; + cod->mctrans = (cp->tcp.mctid != JPC_MCT_NONE); + if (tccp->csty & JPC_COX_PRT) { + for (rlvlno = 0; rlvlno < tccp->maxrlvls; ++rlvlno) { + cod->compparms.rlvls[rlvlno].parwidthval = tccp->prcwidthexpns[rlvlno]; + cod->compparms.rlvls[rlvlno].parheightval = tccp->prcheightexpns[rlvlno]; + } + } + if (jpc_putms(enc->out, enc->cstate, enc->mrk)) { + jas_eprintf("cannot write COD marker\n"); + return -1; + } + jpc_ms_destroy(enc->mrk); + enc->mrk = 0; + + if (!(enc->mrk = jpc_ms_create(JPC_MS_QCD))) { + return -1; + } + qcd = &enc->mrk->parms.qcd; + qcd->compparms.qntsty = (tccp->qmfbid == JPC_COX_INS) ? + JPC_QCX_SEQNT : JPC_QCX_NOQNT; + qcd->compparms.numstepsizes = cp->ccps[0].numstepsizes; + qcd->compparms.numguard = cp->tccp.numgbits; + qcd->compparms.stepsizes = cp->ccps[0].stepsizes; + if (jpc_putms(enc->out, enc->cstate, enc->mrk)) { + return -1; + } + /* We do not want the step size array to be freed! */ + qcd->compparms.stepsizes = 0; + jpc_ms_destroy(enc->mrk); + enc->mrk = 0; + + tccp = &cp->tccp; + for (cmptno = 1; cmptno < cp->numcmpts; ++cmptno) { + if (!(enc->mrk = jpc_ms_create(JPC_MS_QCC))) { + return -1; + } + qcc = &enc->mrk->parms.qcc; + qcc->compno = cmptno; + qcc->compparms.qntsty = (tccp->qmfbid == JPC_COX_INS) ? + JPC_QCX_SEQNT : JPC_QCX_NOQNT; + qcc->compparms.numstepsizes = cp->ccps[cmptno].numstepsizes; + qcc->compparms.numguard = cp->tccp.numgbits; + qcc->compparms.stepsizes = cp->ccps[cmptno].stepsizes; + if (jpc_putms(enc->out, enc->cstate, enc->mrk)) { + return -1; + } + /* We do not want the step size array to be freed! */ + qcc->compparms.stepsizes = 0; + jpc_ms_destroy(enc->mrk); + enc->mrk = 0; + } + +#define MAINTLRLEN 2 + mainhdrlen = jas_stream_getrwcount(enc->out) - startoff; + enc->len += mainhdrlen; + if (enc->cp->totalsize != UINT_FAST32_MAX) { + uint_fast32_t overhead; + overhead = mainhdrlen + MAINTLRLEN; + enc->mainbodysize = (enc->cp->totalsize >= overhead) ? + (enc->cp->totalsize - overhead) : 0; + } else { + enc->mainbodysize = UINT_FAST32_MAX; + } + + return 0; +} + +static int jpc_enc_encodemainbody(jpc_enc_t *enc) +{ + int tileno; + int tilex; + int tiley; + int i; + jpc_sot_t *sot; + jpc_enc_tcmpt_t *comp; + jpc_enc_tcmpt_t *endcomps; + jpc_enc_band_t *band; + jpc_enc_band_t *endbands; + jpc_enc_rlvl_t *lvl; + int rlvlno; + jpc_qcc_t *qcc; + jpc_cod_t *cod; + int adjust; + int j; + int absbandno; + long numbytes; + long tilehdrlen; + long tilelen; + jpc_enc_tile_t *tile; + jpc_enc_cp_t *cp; + double rho; + int lyrno; + int cmptno; + int samestepsizes; + jpc_enc_ccp_t *ccps; + jpc_enc_tccp_t *tccp; +int bandno; +uint_fast32_t x; +uint_fast32_t y; +int mingbits; +int actualnumbps; +jpc_fix_t mxmag; +jpc_fix_t mag; +int numgbits; + + cp = enc->cp; + + /* Avoid compile warnings. */ + numbytes = 0; + + for (tileno = 0; tileno < JAS_CAST(int, cp->numtiles); ++tileno) { + tilex = tileno % cp->numhtiles; + tiley = tileno / cp->numhtiles; + + if (!(enc->curtile = jpc_enc_tile_create(enc->cp, enc->image, tileno))) { + abort(); + } + + tile = enc->curtile; + + if (jas_getdbglevel() >= 10) { + jpc_enc_dump(enc); + } + + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (cmptno = 0, comp = tile->tcmpts; cmptno < tile->numtcmpts; ++cmptno, ++comp) { + if (!cp->ccps[cmptno].sgnd) { + adjust = 1 << (cp->ccps[cmptno].prec - 1); + for (i = 0; i < jas_matrix_numrows(comp->data); ++i) { + for (j = 0; j < jas_matrix_numcols(comp->data); ++j) { + *jas_matrix_getref(comp->data, i, j) -= adjust; + } + } + } + } + + if (!tile->intmode) { + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (comp = tile->tcmpts; comp != endcomps; ++comp) { + jas_matrix_asl(comp->data, JPC_FIX_FRACBITS); + } + } + + switch (tile->mctid) { + case JPC_MCT_RCT: +assert(jas_image_numcmpts(enc->image) == 3); + jpc_rct(tile->tcmpts[0].data, tile->tcmpts[1].data, + tile->tcmpts[2].data); + break; + case JPC_MCT_ICT: +assert(jas_image_numcmpts(enc->image) == 3); + jpc_ict(tile->tcmpts[0].data, tile->tcmpts[1].data, + tile->tcmpts[2].data); + break; + default: + break; + } + + for (i = 0; i < jas_image_numcmpts(enc->image); ++i) { + comp = &tile->tcmpts[i]; + jpc_tsfb_analyze(comp->tsfb, comp->data); + + } + + + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (cmptno = 0, comp = tile->tcmpts; comp != endcomps; ++cmptno, ++comp) { + mingbits = 0; + absbandno = 0; + /* All bands must have a corresponding quantizer step size, + even if they contain no samples and are never coded. */ + /* Some bands may not be hit by the loop below, so we must + initialize all of the step sizes to a sane value. */ + memset(comp->stepsizes, 0, sizeof(comp->stepsizes)); + for (rlvlno = 0, lvl = comp->rlvls; rlvlno < comp->numrlvls; ++rlvlno, ++lvl) { + if (!lvl->bands) { + absbandno += rlvlno ? 3 : 1; + continue; + } + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + ++absbandno; + continue; + } + actualnumbps = 0; + mxmag = 0; + for (y = 0; y < JAS_CAST(uint_fast32_t, jas_matrix_numrows(band->data)); ++y) { + for (x = 0; x < JAS_CAST(uint_fast32_t, jas_matrix_numcols(band->data)); ++x) { + mag = abs(jas_matrix_get(band->data, y, x)); + if (mag > mxmag) { + mxmag = mag; + } + } + } + if (tile->intmode) { + actualnumbps = jpc_firstone(mxmag) + 1; + } else { + actualnumbps = jpc_firstone(mxmag) + 1 - JPC_FIX_FRACBITS; + } + numgbits = actualnumbps - (cp->ccps[cmptno].prec - 1 + + band->analgain); +#if 0 +jas_eprintf("%d %d mag=%d actual=%d numgbits=%d\n", cp->ccps[cmptno].prec, band->analgain, mxmag, actualnumbps, numgbits); +#endif + if (numgbits > mingbits) { + mingbits = numgbits; + } + if (!tile->intmode) { + band->absstepsize = jpc_fix_div(jpc_inttofix(1 + << (band->analgain + 1)), + band->synweight); + } else { + band->absstepsize = jpc_inttofix(1); + } + band->stepsize = jpc_abstorelstepsize( + band->absstepsize, cp->ccps[cmptno].prec + + band->analgain); + band->numbps = cp->tccp.numgbits + + JPC_QCX_GETEXPN(band->stepsize) - 1; + + if ((!tile->intmode) && band->data) { + jpc_quantize(band->data, band->absstepsize); + } + + comp->stepsizes[absbandno] = band->stepsize; + ++absbandno; + } + } + + assert(JPC_FIX_FRACBITS >= JPC_NUMEXTRABITS); + if (!tile->intmode) { + jas_matrix_divpow2(comp->data, JPC_FIX_FRACBITS - JPC_NUMEXTRABITS); + } else { + jas_matrix_asl(comp->data, JPC_NUMEXTRABITS); + } + +#if 0 +jas_eprintf("mingbits %d\n", mingbits); +#endif + if (mingbits > cp->tccp.numgbits) { + jas_eprintf("error: too few guard bits (need at least %d)\n", + mingbits); + return -1; + } + } + + if (!(enc->tmpstream = jas_stream_memopen(0, 0))) { + jas_eprintf("cannot open tmp file\n"); + return -1; + } + + /* Write the tile header. */ + if (!(enc->mrk = jpc_ms_create(JPC_MS_SOT))) { + return -1; + } + sot = &enc->mrk->parms.sot; + sot->len = 0; + sot->tileno = tileno; + sot->partno = 0; + sot->numparts = 1; + if (jpc_putms(enc->tmpstream, enc->cstate, enc->mrk)) { + jas_eprintf("cannot write SOT marker\n"); + return -1; + } + jpc_ms_destroy(enc->mrk); + enc->mrk = 0; + +/************************************************************************/ +/************************************************************************/ +/************************************************************************/ + + tccp = &cp->tccp; + for (cmptno = 0; cmptno < JAS_CAST(int, cp->numcmpts); ++cmptno) { + comp = &tile->tcmpts[cmptno]; + if (comp->numrlvls != tccp->maxrlvls) { + if (!(enc->mrk = jpc_ms_create(JPC_MS_COD))) { + return -1; + } +/* XXX = this is not really correct. we are using comp #0's precint sizes +and other characteristics */ + comp = &tile->tcmpts[0]; + cod = &enc->mrk->parms.cod; + cod->compparms.csty = 0; + cod->compparms.numdlvls = comp->numrlvls - 1; + cod->prg = tile->prg; + cod->numlyrs = tile->numlyrs; + cod->compparms.cblkwidthval = JPC_COX_CBLKSIZEEXPN(comp->cblkwidthexpn); + cod->compparms.cblkheightval = JPC_COX_CBLKSIZEEXPN(comp->cblkheightexpn); + cod->compparms.cblksty = comp->cblksty; + cod->compparms.qmfbid = comp->qmfbid; + cod->mctrans = (tile->mctid != JPC_MCT_NONE); + for (i = 0; i < comp->numrlvls; ++i) { + cod->compparms.rlvls[i].parwidthval = comp->rlvls[i].prcwidthexpn; + cod->compparms.rlvls[i].parheightval = comp->rlvls[i].prcheightexpn; + } + if (jpc_putms(enc->tmpstream, enc->cstate, enc->mrk)) { + return -1; + } + jpc_ms_destroy(enc->mrk); + enc->mrk = 0; + } + } + + for (cmptno = 0, comp = tile->tcmpts; cmptno < JAS_CAST(int, cp->numcmpts); ++cmptno, ++comp) { + ccps = &cp->ccps[cmptno]; + if (JAS_CAST(int, ccps->numstepsizes) == comp->numstepsizes) { + samestepsizes = 1; + for (bandno = 0; bandno < JAS_CAST(int, ccps->numstepsizes); ++bandno) { + if (ccps->stepsizes[bandno] != comp->stepsizes[bandno]) { + samestepsizes = 0; + break; + } + } + } else { + samestepsizes = 0; + } + if (!samestepsizes) { + if (!(enc->mrk = jpc_ms_create(JPC_MS_QCC))) { + return -1; + } + qcc = &enc->mrk->parms.qcc; + qcc->compno = cmptno; + qcc->compparms.numguard = cp->tccp.numgbits; + qcc->compparms.qntsty = (comp->qmfbid == JPC_COX_INS) ? + JPC_QCX_SEQNT : JPC_QCX_NOQNT; + qcc->compparms.numstepsizes = comp->numstepsizes; + qcc->compparms.stepsizes = comp->stepsizes; + if (jpc_putms(enc->tmpstream, enc->cstate, enc->mrk)) { + return -1; + } + qcc->compparms.stepsizes = 0; + jpc_ms_destroy(enc->mrk); + enc->mrk = 0; + } + } + + /* Write a SOD marker to indicate the end of the tile header. */ + if (!(enc->mrk = jpc_ms_create(JPC_MS_SOD))) { + return -1; + } + if (jpc_putms(enc->tmpstream, enc->cstate, enc->mrk)) { + jas_eprintf("cannot write SOD marker\n"); + return -1; + } + jpc_ms_destroy(enc->mrk); + enc->mrk = 0; +tilehdrlen = jas_stream_getrwcount(enc->tmpstream); + +/************************************************************************/ +/************************************************************************/ +/************************************************************************/ + +if (jpc_enc_enccblks(enc)) { + abort(); + return -1; +} + + cp = enc->cp; + rho = (double) (tile->brx - tile->tlx) * (tile->bry - tile->tly) / + ((cp->refgrdwidth - cp->imgareatlx) * (cp->refgrdheight - + cp->imgareatly)); + tile->rawsize = cp->rawsize * rho; + + for (lyrno = 0; lyrno < tile->numlyrs - 1; ++lyrno) { + tile->lyrsizes[lyrno] = tile->rawsize * jpc_fixtodbl( + cp->tcp.ilyrrates[lyrno]); + } + tile->lyrsizes[tile->numlyrs - 1] = (cp->totalsize != UINT_FAST32_MAX) ? + (rho * enc->mainbodysize) : UINT_FAST32_MAX; + for (lyrno = 0; lyrno < tile->numlyrs; ++lyrno) { + if (tile->lyrsizes[lyrno] != UINT_FAST32_MAX) { + if (tilehdrlen <= JAS_CAST(long, tile->lyrsizes[lyrno])) { + tile->lyrsizes[lyrno] -= tilehdrlen; + } else { + tile->lyrsizes[lyrno] = 0; + } + } + } + + if (rateallocate(enc, tile->numlyrs, tile->lyrsizes)) { + return -1; + } + +#if 0 +jas_eprintf("ENCODE TILE DATA\n"); +#endif + if (jpc_enc_encodetiledata(enc)) { + jas_eprintf("dotile failed\n"); + return -1; + } + +/************************************************************************/ +/************************************************************************/ +/************************************************************************/ + +/************************************************************************/ +/************************************************************************/ +/************************************************************************/ + + tilelen = jas_stream_tell(enc->tmpstream); + + if (jas_stream_seek(enc->tmpstream, 6, SEEK_SET) < 0) { + return -1; + } + jpc_putuint32(enc->tmpstream, tilelen); + + if (jas_stream_seek(enc->tmpstream, 0, SEEK_SET) < 0) { + return -1; + } + if (jpc_putdata(enc->out, enc->tmpstream, -1)) { + return -1; + } + enc->len += tilelen; + + jas_stream_close(enc->tmpstream); + enc->tmpstream = 0; + + jpc_enc_tile_destroy(enc->curtile); + enc->curtile = 0; + + } + + return 0; +} + +int jpc_enc_encodetiledata(jpc_enc_t *enc) +{ +assert(enc->tmpstream); + if (jpc_enc_encpkts(enc, enc->tmpstream)) { + return -1; + } + return 0; +} + +int dump_passes(jpc_enc_pass_t *passes, int numpasses, jpc_enc_cblk_t *cblk) +{ + jpc_enc_pass_t *pass; + int i; + jas_stream_memobj_t *smo; + + smo = cblk->stream->obj_; + + pass = passes; + for (i = 0; i < numpasses; ++i) { + jas_eprintf("start=%d end=%d type=%d term=%d lyrno=%d firstchar=%02x size=%ld pos=%ld\n", + (int)pass->start, (int)pass->end, (int)pass->type, (int)pass->term, (int)pass->lyrno, + smo->buf_[pass->start], (long)smo->len_, (long)smo->pos_); +#if 0 + jas_memdump(stderr, &smo->buf_[pass->start], pass->end - pass->start); +#endif + ++pass; + } + return 0; +} + +void jpc_quantize(jas_matrix_t *data, jpc_fix_t stepsize) +{ + int i; + int j; + jpc_fix_t t; + + if (stepsize == jpc_inttofix(1)) { + return; + } + + for (i = 0; i < jas_matrix_numrows(data); ++i) { + for (j = 0; j < jas_matrix_numcols(data); ++j) { + t = jas_matrix_get(data, i, j); + +{ + if (t < 0) { + t = jpc_fix_neg(jpc_fix_div(jpc_fix_neg(t), stepsize)); + } else { + t = jpc_fix_div(t, stepsize); + } +} + + jas_matrix_set(data, i, j, t); + } + } +} + +void calcrdslopes(jpc_enc_cblk_t *cblk) +{ + jpc_enc_pass_t *endpasses; + jpc_enc_pass_t *pass0; + jpc_enc_pass_t *pass1; + jpc_enc_pass_t *pass2; + jpc_flt_t slope0; + jpc_flt_t slope; + jpc_flt_t dd; + long dr; + + endpasses = &cblk->passes[cblk->numpasses]; + pass2 = cblk->passes; + slope0 = 0; + while (pass2 != endpasses) { + pass0 = 0; + for (pass1 = cblk->passes; pass1 != endpasses; ++pass1) { + dd = pass1->cumwmsedec; + dr = pass1->end; + if (pass0) { + dd -= pass0->cumwmsedec; + dr -= pass0->end; + } + if (dd <= 0) { + pass1->rdslope = JPC_BADRDSLOPE; + if (pass1 >= pass2) { + pass2 = &pass1[1]; + } + continue; + } + if (pass1 < pass2 && pass1->rdslope <= 0) { + continue; + } + if (!dr) { + assert(pass0); + pass0->rdslope = 0; + break; + } + slope = dd / dr; + if (pass0 && slope >= slope0) { + pass0->rdslope = 0; + break; + } + pass1->rdslope = slope; + if (pass1 >= pass2) { + pass2 = &pass1[1]; + } + pass0 = pass1; + slope0 = slope; + } + } + +#if 0 + for (pass0 = cblk->passes; pass0 != endpasses; ++pass0) { +if (pass0->rdslope > 0.0) { + jas_eprintf("pass %02d nmsedec=%lf dec=%lf end=%d %lf\n", pass0 - cblk->passes, + fixtodbl(pass0->nmsedec), pass0->wmsedec, pass0->end, pass0->rdslope); +} + } +#endif +} + +void dump_layeringinfo(jpc_enc_t *enc) +{ + + jpc_enc_tcmpt_t *tcmpt; + int tcmptno; + jpc_enc_rlvl_t *rlvl; + int rlvlno; + jpc_enc_band_t *band; + int bandno; + jpc_enc_prc_t *prc; + int prcno; + jpc_enc_cblk_t *cblk; + int cblkno; + jpc_enc_pass_t *pass; + int passno; + int lyrno; + jpc_enc_tile_t *tile; + + tile = enc->curtile; + + for (lyrno = 0; lyrno < tile->numlyrs; ++lyrno) { + jas_eprintf("lyrno = %02d\n", lyrno); + for (tcmptno = 0, tcmpt = tile->tcmpts; tcmptno < tile->numtcmpts; + ++tcmptno, ++tcmpt) { + for (rlvlno = 0, rlvl = tcmpt->rlvls; rlvlno < tcmpt->numrlvls; + ++rlvlno, ++rlvl) { + if (!rlvl->bands) { + continue; + } + for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands; + ++bandno, ++band) { + if (!band->data) { + continue; + } + for (prcno = 0, prc = band->prcs; prcno < rlvl->numprcs; + ++prcno, ++prc) { + if (!prc->cblks) { + continue; + } + for (cblkno = 0, cblk = prc->cblks; cblkno < + prc->numcblks; ++cblkno, ++cblk) { + for (passno = 0, pass = cblk->passes; passno < + cblk->numpasses && pass->lyrno == lyrno; + ++passno, ++pass) { + jas_eprintf("lyrno=%02d cmptno=%02d rlvlno=%02d bandno=%02d prcno=%02d cblkno=%03d passno=%03d\n", lyrno, tcmptno, rlvlno, bandno, prcno, cblkno, passno); + } + } + } + } + } + } + } +} + +int rateallocate(jpc_enc_t *enc, int numlyrs, uint_fast32_t *cumlens) +{ + jpc_flt_t lo; + jpc_flt_t hi; + jas_stream_t *out; + long cumlen; + int lyrno; + jpc_flt_t thresh; + jpc_flt_t goodthresh; + int success; + long pos; + long oldpos; + int numiters; + + jpc_enc_tcmpt_t *comp; + jpc_enc_tcmpt_t *endcomps; + jpc_enc_rlvl_t *lvl; + jpc_enc_rlvl_t *endlvls; + jpc_enc_band_t *band; + jpc_enc_band_t *endbands; + jpc_enc_cblk_t *cblk; + jpc_enc_cblk_t *endcblks; + jpc_enc_pass_t *pass; + jpc_enc_pass_t *endpasses; + jpc_enc_pass_t *pass1; + jpc_flt_t mxrdslope; + jpc_flt_t mnrdslope; + jpc_enc_tile_t *tile; + jpc_enc_prc_t *prc; + int prcno; + + tile = enc->curtile; + + for (lyrno = 1; lyrno < numlyrs - 1; ++lyrno) { + if (cumlens[lyrno - 1] > cumlens[lyrno]) { + abort(); + } + } + + if (!(out = jas_stream_memopen(0, 0))) { + return -1; + } + + + /* Find minimum and maximum R-D slope values. */ + mnrdslope = DBL_MAX; + mxrdslope = 0; + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (comp = tile->tcmpts; comp != endcomps; ++comp) { + endlvls = &comp->rlvls[comp->numrlvls]; + for (lvl = comp->rlvls; lvl != endlvls; ++lvl) { + if (!lvl->bands) { + continue; + } + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { + if (!prc->cblks) { + continue; + } + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + calcrdslopes(cblk); + endpasses = &cblk->passes[cblk->numpasses]; + for (pass = cblk->passes; pass != endpasses; ++pass) { + if (pass->rdslope > 0) { + if (pass->rdslope < mnrdslope) { + mnrdslope = pass->rdslope; + } + if (pass->rdslope > mxrdslope) { + mxrdslope = pass->rdslope; + } + } + } + } + } + } + } + } +if (jas_getdbglevel()) { + jas_eprintf("min rdslope = %f max rdslope = %f\n", mnrdslope, mxrdslope); +} + + jpc_init_t2state(enc, 1); + + for (lyrno = 0; lyrno < numlyrs; ++lyrno) { + + lo = mnrdslope; + hi = mxrdslope; + + success = 0; + goodthresh = 0; + numiters = 0; + + do { + + cumlen = cumlens[lyrno]; + if (cumlen == UINT_FAST32_MAX) { + /* Only the last layer can be free of a rate + constraint (e.g., for lossless coding). */ + assert(lyrno == numlyrs - 1); + goodthresh = -1; + success = 1; + break; + } + + thresh = (lo + hi) / 2; + + /* Save the tier 2 coding state. */ + jpc_save_t2state(enc); + oldpos = jas_stream_tell(out); + assert(oldpos >= 0); + + /* Assign all passes with R-D slopes greater than or + equal to the current threshold to this layer. */ + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (comp = tile->tcmpts; comp != endcomps; ++comp) { + endlvls = &comp->rlvls[comp->numrlvls]; + for (lvl = comp->rlvls; lvl != endlvls; ++lvl) { + if (!lvl->bands) { + continue; + } + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { + if (!prc->cblks) { + continue; + } + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + if (cblk->curpass) { + endpasses = &cblk->passes[cblk->numpasses]; + pass1 = cblk->curpass; + for (pass = cblk->curpass; pass != endpasses; ++pass) { + if (pass->rdslope >= thresh) { + pass1 = &pass[1]; + } + } + for (pass = cblk->curpass; pass != pass1; ++pass) { + pass->lyrno = lyrno; + } + for (; pass != endpasses; ++pass) { + pass->lyrno = -1; + } + } + } + } + } + } + } + + /* Perform tier 2 coding. */ + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (comp = tile->tcmpts; comp != endcomps; ++comp) { + endlvls = &comp->rlvls[comp->numrlvls]; + for (lvl = comp->rlvls; lvl != endlvls; ++lvl) { + if (!lvl->bands) { + continue; + } + for (prcno = 0; prcno < lvl->numprcs; ++prcno) { + if (jpc_enc_encpkt(enc, out, comp - tile->tcmpts, lvl - comp->rlvls, prcno, lyrno)) { + return -1; + } + } + } + } + + pos = jas_stream_tell(out); + + /* Check the rate constraint. */ + assert(pos >= 0); + if (pos > cumlen) { + /* The rate is too high. */ + lo = thresh; + } else if (pos <= cumlen) { + /* The rate is low enough, so try higher. */ + hi = thresh; + if (!success || thresh < goodthresh) { + goodthresh = thresh; + success = 1; + } + } + + /* Save the tier 2 coding state. */ + jpc_restore_t2state(enc); + if (jas_stream_seek(out, oldpos, SEEK_SET) < 0) { + abort(); + } + +if (jas_getdbglevel()) { +jas_eprintf("maxlen=%08ld actuallen=%08ld thresh=%f\n", cumlen, pos, thresh); +} + + ++numiters; + } while (lo < hi - 1e-3 && numiters < 32); + + if (!success) { + jas_eprintf("warning: empty layer generated\n"); + } + +if (jas_getdbglevel()) { +jas_eprintf("success %d goodthresh %f\n", success, goodthresh); +} + + /* Assign all passes with R-D slopes greater than or + equal to the selected threshold to this layer. */ + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (comp = tile->tcmpts; comp != endcomps; ++comp) { + endlvls = &comp->rlvls[comp->numrlvls]; + for (lvl = comp->rlvls; lvl != endlvls; ++lvl) { +if (!lvl->bands) { + continue; +} + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { + if (!prc->cblks) { + continue; + } + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + if (cblk->curpass) { + endpasses = &cblk->passes[cblk->numpasses]; + pass1 = cblk->curpass; + if (success) { + for (pass = cblk->curpass; pass != endpasses; ++pass) { + if (pass->rdslope >= goodthresh) { + pass1 = &pass[1]; + } + } + } + for (pass = cblk->curpass; pass != pass1; ++pass) { + pass->lyrno = lyrno; + } + for (; pass != endpasses; ++pass) { + pass->lyrno = -1; + } + } + } + } + } + } + } + + /* Perform tier 2 coding. */ + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (comp = tile->tcmpts; comp != endcomps; ++comp) { + endlvls = &comp->rlvls[comp->numrlvls]; + for (lvl = comp->rlvls; lvl != endlvls; ++lvl) { + if (!lvl->bands) { + continue; + } + for (prcno = 0; prcno < lvl->numprcs; ++prcno) { + if (jpc_enc_encpkt(enc, out, comp - tile->tcmpts, lvl - comp->rlvls, prcno, lyrno)) { + return -1; + } + } + } + } + } + + if (jas_getdbglevel() >= 5) { + dump_layeringinfo(enc); + } + + jas_stream_close(out); + + JAS_DBGLOG(10, ("done doing rateallocation\n")); +#if 0 +jas_eprintf("DONE RATE ALLOCATE\n"); +#endif + + return 0; +} + +/******************************************************************************\ +* Tile constructors and destructors. +\******************************************************************************/ + +jpc_enc_tile_t *jpc_enc_tile_create(jpc_enc_cp_t *cp, jas_image_t *image, int tileno) +{ + jpc_enc_tile_t *tile; + uint_fast32_t htileno; + uint_fast32_t vtileno; + uint_fast16_t lyrno; + uint_fast16_t cmptno; + jpc_enc_tcmpt_t *tcmpt; + + if (!(tile = jas_malloc(sizeof(jpc_enc_tile_t)))) { + goto error; + } + + /* Initialize a few members used in error recovery. */ + tile->tcmpts = 0; + tile->lyrsizes = 0; + tile->numtcmpts = cp->numcmpts; + tile->pi = 0; + + tile->tileno = tileno; + htileno = tileno % cp->numhtiles; + vtileno = tileno / cp->numhtiles; + + /* Calculate the coordinates of the top-left and bottom-right + corners of the tile. */ + tile->tlx = JAS_MAX(cp->tilegrdoffx + htileno * cp->tilewidth, + cp->imgareatlx); + tile->tly = JAS_MAX(cp->tilegrdoffy + vtileno * cp->tileheight, + cp->imgareatly); + tile->brx = JAS_MIN(cp->tilegrdoffx + (htileno + 1) * cp->tilewidth, + cp->refgrdwidth); + tile->bry = JAS_MIN(cp->tilegrdoffy + (vtileno + 1) * cp->tileheight, + cp->refgrdheight); + + /* Initialize some tile coding parameters. */ + tile->intmode = cp->tcp.intmode; + tile->csty = cp->tcp.csty; + tile->prg = cp->tcp.prg; + tile->mctid = cp->tcp.mctid; + + tile->numlyrs = cp->tcp.numlyrs; + if (!(tile->lyrsizes = jas_malloc(tile->numlyrs * + sizeof(uint_fast32_t)))) { + goto error; + } + for (lyrno = 0; lyrno < tile->numlyrs; ++lyrno) { + tile->lyrsizes[lyrno] = 0; + } + + /* Allocate an array for the per-tile-component information. */ + if (!(tile->tcmpts = jas_malloc(cp->numcmpts * sizeof(jpc_enc_tcmpt_t)))) { + goto error; + } + /* Initialize a few members critical for error recovery. */ + for (cmptno = 0, tcmpt = tile->tcmpts; cmptno < cp->numcmpts; + ++cmptno, ++tcmpt) { + tcmpt->rlvls = 0; + tcmpt->tsfb = 0; + tcmpt->data = 0; + } + /* Initialize the per-tile-component information. */ + for (cmptno = 0, tcmpt = tile->tcmpts; cmptno < cp->numcmpts; + ++cmptno, ++tcmpt) { + if (!tcmpt_create(tcmpt, cp, image, tile)) { + goto error; + } + } + + /* Initialize the synthesis weights for the MCT. */ + switch (tile->mctid) { + case JPC_MCT_RCT: + tile->tcmpts[0].synweight = jpc_dbltofix(sqrt(3.0)); + tile->tcmpts[1].synweight = jpc_dbltofix(sqrt(0.6875)); + tile->tcmpts[2].synweight = jpc_dbltofix(sqrt(0.6875)); + break; + case JPC_MCT_ICT: + tile->tcmpts[0].synweight = jpc_dbltofix(sqrt(3.0000)); + tile->tcmpts[1].synweight = jpc_dbltofix(sqrt(3.2584)); + tile->tcmpts[2].synweight = jpc_dbltofix(sqrt(2.4755)); + break; + default: + case JPC_MCT_NONE: + for (cmptno = 0, tcmpt = tile->tcmpts; cmptno < cp->numcmpts; + ++cmptno, ++tcmpt) { + tcmpt->synweight = JPC_FIX_ONE; + } + break; + } + + if (!(tile->pi = jpc_enc_pi_create(cp, tile))) { + goto error; + } + + return tile; + +error: + + if (tile) { + jpc_enc_tile_destroy(tile); + } + return 0; +} + +void jpc_enc_tile_destroy(jpc_enc_tile_t *tile) +{ + jpc_enc_tcmpt_t *tcmpt; + uint_fast16_t cmptno; + + if (tile->tcmpts) { + for (cmptno = 0, tcmpt = tile->tcmpts; cmptno < + tile->numtcmpts; ++cmptno, ++tcmpt) { + tcmpt_destroy(tcmpt); + } + jas_free(tile->tcmpts); + } + if (tile->lyrsizes) { + jas_free(tile->lyrsizes); + } + if (tile->pi) { + jpc_pi_destroy(tile->pi); + } + jas_free(tile); +} + +static jpc_enc_tcmpt_t *tcmpt_create(jpc_enc_tcmpt_t *tcmpt, jpc_enc_cp_t *cp, + jas_image_t *image, jpc_enc_tile_t *tile) +{ + uint_fast16_t cmptno; + uint_fast16_t rlvlno; + jpc_enc_rlvl_t *rlvl; + uint_fast32_t tlx; + uint_fast32_t tly; + uint_fast32_t brx; + uint_fast32_t bry; + uint_fast32_t cmpttlx; + uint_fast32_t cmpttly; + jpc_enc_ccp_t *ccp; + jpc_tsfb_band_t bandinfos[JPC_MAXBANDS]; + + tcmpt->tile = tile; + tcmpt->tsfb = 0; + tcmpt->data = 0; + tcmpt->rlvls = 0; + + /* Deduce the component number. */ + cmptno = tcmpt - tile->tcmpts; + + ccp = &cp->ccps[cmptno]; + + /* Compute the coordinates of the top-left and bottom-right + corners of this tile-component. */ + tlx = JPC_CEILDIV(tile->tlx, ccp->sampgrdstepx); + tly = JPC_CEILDIV(tile->tly, ccp->sampgrdstepy); + brx = JPC_CEILDIV(tile->brx, ccp->sampgrdstepx); + bry = JPC_CEILDIV(tile->bry, ccp->sampgrdstepy); + + /* Create a sequence to hold the tile-component sample data. */ + if (!(tcmpt->data = jas_seq2d_create(tlx, tly, brx, bry))) { + goto error; + } + + /* Get the image data associated with this tile-component. */ + cmpttlx = JPC_CEILDIV(cp->imgareatlx, ccp->sampgrdstepx); + cmpttly = JPC_CEILDIV(cp->imgareatly, ccp->sampgrdstepy); + if (jas_image_readcmpt(image, cmptno, tlx - cmpttlx, tly - cmpttly, + brx - tlx, bry - tly, tcmpt->data)) { + goto error; + } + + tcmpt->synweight = 0; + tcmpt->qmfbid = cp->tccp.qmfbid; + tcmpt->numrlvls = cp->tccp.maxrlvls; + tcmpt->numbands = 3 * tcmpt->numrlvls - 2; + if (!(tcmpt->tsfb = jpc_cod_gettsfb(tcmpt->qmfbid, tcmpt->numrlvls - 1))) { + goto error; + } + + for (rlvlno = 0; rlvlno < tcmpt->numrlvls; ++rlvlno) { + tcmpt->prcwidthexpns[rlvlno] = cp->tccp.prcwidthexpns[rlvlno]; + tcmpt->prcheightexpns[rlvlno] = cp->tccp.prcheightexpns[rlvlno]; + } + tcmpt->cblkwidthexpn = cp->tccp.cblkwidthexpn; + tcmpt->cblkheightexpn = cp->tccp.cblkheightexpn; + tcmpt->cblksty = cp->tccp.cblksty; + tcmpt->csty = cp->tccp.csty; + + tcmpt->numstepsizes = tcmpt->numbands; + assert(tcmpt->numstepsizes <= JPC_MAXBANDS); + memset(tcmpt->stepsizes, 0, sizeof(tcmpt->numstepsizes * + sizeof(uint_fast16_t))); + + /* Retrieve information about the various bands. */ + jpc_tsfb_getbands(tcmpt->tsfb, jas_seq2d_xstart(tcmpt->data), + jas_seq2d_ystart(tcmpt->data), jas_seq2d_xend(tcmpt->data), + jas_seq2d_yend(tcmpt->data), bandinfos); + + if (!(tcmpt->rlvls = jas_malloc(tcmpt->numrlvls * sizeof(jpc_enc_rlvl_t)))) { + goto error; + } + for (rlvlno = 0, rlvl = tcmpt->rlvls; rlvlno < tcmpt->numrlvls; + ++rlvlno, ++rlvl) { + rlvl->bands = 0; + rlvl->tcmpt = tcmpt; + } + for (rlvlno = 0, rlvl = tcmpt->rlvls; rlvlno < tcmpt->numrlvls; + ++rlvlno, ++rlvl) { + if (!rlvl_create(rlvl, cp, tcmpt, bandinfos)) { + goto error; + } + } + + return tcmpt; + +error: + + tcmpt_destroy(tcmpt); + return 0; + +} + +static void tcmpt_destroy(jpc_enc_tcmpt_t *tcmpt) +{ + jpc_enc_rlvl_t *rlvl; + uint_fast16_t rlvlno; + + if (tcmpt->rlvls) { + for (rlvlno = 0, rlvl = tcmpt->rlvls; rlvlno < tcmpt->numrlvls; + ++rlvlno, ++rlvl) { + rlvl_destroy(rlvl); + } + jas_free(tcmpt->rlvls); + } + + if (tcmpt->data) { + jas_seq2d_destroy(tcmpt->data); + } + if (tcmpt->tsfb) { + jpc_tsfb_destroy(tcmpt->tsfb); + } +} + +static jpc_enc_rlvl_t *rlvl_create(jpc_enc_rlvl_t *rlvl, jpc_enc_cp_t *cp, + jpc_enc_tcmpt_t *tcmpt, jpc_tsfb_band_t *bandinfos) +{ + uint_fast16_t rlvlno; + uint_fast32_t tlprctlx; + uint_fast32_t tlprctly; + uint_fast32_t brprcbrx; + uint_fast32_t brprcbry; + uint_fast16_t bandno; + jpc_enc_band_t *band; + + /* Deduce the resolution level. */ + rlvlno = rlvl - tcmpt->rlvls; + + /* Initialize members required for error recovery. */ + rlvl->bands = 0; + rlvl->tcmpt = tcmpt; + + /* Compute the coordinates of the top-left and bottom-right + corners of the tile-component at this resolution. */ + rlvl->tlx = JPC_CEILDIVPOW2(jas_seq2d_xstart(tcmpt->data), tcmpt->numrlvls - + 1 - rlvlno); + rlvl->tly = JPC_CEILDIVPOW2(jas_seq2d_ystart(tcmpt->data), tcmpt->numrlvls - + 1 - rlvlno); + rlvl->brx = JPC_CEILDIVPOW2(jas_seq2d_xend(tcmpt->data), tcmpt->numrlvls - + 1 - rlvlno); + rlvl->bry = JPC_CEILDIVPOW2(jas_seq2d_yend(tcmpt->data), tcmpt->numrlvls - + 1 - rlvlno); + + if (rlvl->tlx >= rlvl->brx || rlvl->tly >= rlvl->bry) { + rlvl->numhprcs = 0; + rlvl->numvprcs = 0; + rlvl->numprcs = 0; + return rlvl; + } + + rlvl->numbands = (!rlvlno) ? 1 : 3; + rlvl->prcwidthexpn = cp->tccp.prcwidthexpns[rlvlno]; + rlvl->prcheightexpn = cp->tccp.prcheightexpns[rlvlno]; + if (!rlvlno) { + rlvl->cbgwidthexpn = rlvl->prcwidthexpn; + rlvl->cbgheightexpn = rlvl->prcheightexpn; + } else { + rlvl->cbgwidthexpn = rlvl->prcwidthexpn - 1; + rlvl->cbgheightexpn = rlvl->prcheightexpn - 1; + } + rlvl->cblkwidthexpn = JAS_MIN(cp->tccp.cblkwidthexpn, rlvl->cbgwidthexpn); + rlvl->cblkheightexpn = JAS_MIN(cp->tccp.cblkheightexpn, rlvl->cbgheightexpn); + + /* Compute the number of precincts. */ + tlprctlx = JPC_FLOORTOMULTPOW2(rlvl->tlx, rlvl->prcwidthexpn); + tlprctly = JPC_FLOORTOMULTPOW2(rlvl->tly, rlvl->prcheightexpn); + brprcbrx = JPC_CEILTOMULTPOW2(rlvl->brx, rlvl->prcwidthexpn); + brprcbry = JPC_CEILTOMULTPOW2(rlvl->bry, rlvl->prcheightexpn); + rlvl->numhprcs = JPC_FLOORDIVPOW2(brprcbrx - tlprctlx, rlvl->prcwidthexpn); + rlvl->numvprcs = JPC_FLOORDIVPOW2(brprcbry - tlprctly, rlvl->prcheightexpn); + rlvl->numprcs = rlvl->numhprcs * rlvl->numvprcs; + + if (!(rlvl->bands = jas_malloc(rlvl->numbands * sizeof(jpc_enc_band_t)))) { + goto error; + } + for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands; + ++bandno, ++band) { + band->prcs = 0; + band->data = 0; + band->rlvl = rlvl; + } + for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands; + ++bandno, ++band) { + if (!band_create(band, cp, rlvl, bandinfos)) { + goto error; + } + } + + return rlvl; +error: + + rlvl_destroy(rlvl); + return 0; +} + +static void rlvl_destroy(jpc_enc_rlvl_t *rlvl) +{ + jpc_enc_band_t *band; + uint_fast16_t bandno; + + if (rlvl->bands) { + for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands; + ++bandno, ++band) { + band_destroy(band); + } + jas_free(rlvl->bands); + } +} + +static jpc_enc_band_t *band_create(jpc_enc_band_t *band, jpc_enc_cp_t *cp, + jpc_enc_rlvl_t *rlvl, jpc_tsfb_band_t *bandinfos) +{ + uint_fast16_t bandno; + uint_fast16_t gblbandno; + uint_fast16_t rlvlno; + jpc_tsfb_band_t *bandinfo; + jpc_enc_tcmpt_t *tcmpt; + uint_fast32_t prcno; + jpc_enc_prc_t *prc; + + tcmpt = rlvl->tcmpt; + band->data = 0; + band->prcs = 0; + band->rlvl = rlvl; + + /* Deduce the resolution level and band number. */ + rlvlno = rlvl - rlvl->tcmpt->rlvls; + bandno = band - rlvl->bands; + gblbandno = (!rlvlno) ? 0 : (3 * (rlvlno - 1) + bandno + 1); + + bandinfo = &bandinfos[gblbandno]; + +if (bandinfo->xstart != bandinfo->xend && bandinfo->ystart != bandinfo->yend) { + if (!(band->data = jas_seq2d_create(0, 0, 0, 0))) { + goto error; + } + jas_seq2d_bindsub(band->data, tcmpt->data, bandinfo->locxstart, + bandinfo->locystart, bandinfo->locxend, bandinfo->locyend); + jas_seq2d_setshift(band->data, bandinfo->xstart, bandinfo->ystart); +} + band->orient = bandinfo->orient; + band->analgain = JPC_NOMINALGAIN(cp->tccp.qmfbid, tcmpt->numrlvls, rlvlno, + band->orient); + band->numbps = 0; + band->absstepsize = 0; + band->stepsize = 0; + band->synweight = bandinfo->synenergywt; + +if (band->data) { + if (!(band->prcs = jas_malloc(rlvl->numprcs * sizeof(jpc_enc_prc_t)))) { + goto error; + } + for (prcno = 0, prc = band->prcs; prcno < rlvl->numprcs; ++prcno, + ++prc) { + prc->cblks = 0; + prc->incltree = 0; + prc->nlibtree = 0; + prc->savincltree = 0; + prc->savnlibtree = 0; + prc->band = band; + } + for (prcno = 0, prc = band->prcs; prcno < rlvl->numprcs; ++prcno, + ++prc) { + if (!prc_create(prc, cp, band)) { + goto error; + } + } +} + + return band; + +error: + band_destroy(band); + return 0; +} + +static void band_destroy(jpc_enc_band_t *band) +{ + jpc_enc_prc_t *prc; + jpc_enc_rlvl_t *rlvl; + uint_fast32_t prcno; + + if (band->prcs) { + rlvl = band->rlvl; + for (prcno = 0, prc = band->prcs; prcno < rlvl->numprcs; + ++prcno, ++prc) { + prc_destroy(prc); + } + jas_free(band->prcs); + } + if (band->data) { + jas_seq2d_destroy(band->data); + } +} + +static jpc_enc_prc_t *prc_create(jpc_enc_prc_t *prc, jpc_enc_cp_t *cp, jpc_enc_band_t *band) +{ + uint_fast32_t prcno; + uint_fast32_t prcxind; + uint_fast32_t prcyind; + uint_fast32_t cbgtlx; + uint_fast32_t cbgtly; + uint_fast32_t tlprctlx; + uint_fast32_t tlprctly; + uint_fast32_t tlcbgtlx; + uint_fast32_t tlcbgtly; + uint_fast16_t rlvlno; + jpc_enc_rlvl_t *rlvl; + uint_fast32_t tlcblktlx; + uint_fast32_t tlcblktly; + uint_fast32_t brcblkbrx; + uint_fast32_t brcblkbry; + uint_fast32_t cblkno; + jpc_enc_cblk_t *cblk; + jpc_enc_tcmpt_t *tcmpt; + + prc->cblks = 0; + prc->incltree = 0; + prc->savincltree = 0; + prc->nlibtree = 0; + prc->savnlibtree = 0; + + rlvl = band->rlvl; + tcmpt = rlvl->tcmpt; +rlvlno = rlvl - tcmpt->rlvls; + prcno = prc - band->prcs; + prcxind = prcno % rlvl->numhprcs; + prcyind = prcno / rlvl->numhprcs; + prc->band = band; + +tlprctlx = JPC_FLOORTOMULTPOW2(rlvl->tlx, rlvl->prcwidthexpn); +tlprctly = JPC_FLOORTOMULTPOW2(rlvl->tly, rlvl->prcheightexpn); +if (!rlvlno) { + tlcbgtlx = tlprctlx; + tlcbgtly = tlprctly; +} else { + tlcbgtlx = JPC_CEILDIVPOW2(tlprctlx, 1); + tlcbgtly = JPC_CEILDIVPOW2(tlprctly, 1); +} + + /* Compute the coordinates of the top-left and bottom-right + corners of the precinct. */ + cbgtlx = tlcbgtlx + (prcxind << rlvl->cbgwidthexpn); + cbgtly = tlcbgtly + (prcyind << rlvl->cbgheightexpn); + prc->tlx = JAS_MAX(jas_seq2d_xstart(band->data), cbgtlx); + prc->tly = JAS_MAX(jas_seq2d_ystart(band->data), cbgtly); + prc->brx = JAS_MIN(jas_seq2d_xend(band->data), cbgtlx + + (1 << rlvl->cbgwidthexpn)); + prc->bry = JAS_MIN(jas_seq2d_yend(band->data), cbgtly + + (1 << rlvl->cbgheightexpn)); + + if (prc->tlx < prc->brx && prc->tly < prc->bry) { + /* The precinct contains at least one code block. */ + + tlcblktlx = JPC_FLOORTOMULTPOW2(prc->tlx, rlvl->cblkwidthexpn); + tlcblktly = JPC_FLOORTOMULTPOW2(prc->tly, rlvl->cblkheightexpn); + brcblkbrx = JPC_CEILTOMULTPOW2(prc->brx, rlvl->cblkwidthexpn); + brcblkbry = JPC_CEILTOMULTPOW2(prc->bry, rlvl->cblkheightexpn); + prc->numhcblks = JPC_FLOORDIVPOW2(brcblkbrx - tlcblktlx, + rlvl->cblkwidthexpn); + prc->numvcblks = JPC_FLOORDIVPOW2(brcblkbry - tlcblktly, + rlvl->cblkheightexpn); + prc->numcblks = prc->numhcblks * prc->numvcblks; + + if (!(prc->incltree = jpc_tagtree_create(prc->numhcblks, + prc->numvcblks))) { + goto error; + } + if (!(prc->nlibtree = jpc_tagtree_create(prc->numhcblks, + prc->numvcblks))) { + goto error; + } + if (!(prc->savincltree = jpc_tagtree_create(prc->numhcblks, + prc->numvcblks))) { + goto error; + } + if (!(prc->savnlibtree = jpc_tagtree_create(prc->numhcblks, + prc->numvcblks))) { + goto error; + } + + if (!(prc->cblks = jas_malloc(prc->numcblks * sizeof(jpc_enc_cblk_t)))) { + goto error; + } + for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks; + ++cblkno, ++cblk) { + cblk->passes = 0; + cblk->stream = 0; + cblk->mqenc = 0; + cblk->data = 0; + cblk->flags = 0; + cblk->prc = prc; + } + for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks; + ++cblkno, ++cblk) { + if (!cblk_create(cblk, cp, prc)) { + goto error; + } + } + } else { + /* The precinct does not contain any code blocks. */ + prc->tlx = prc->brx; + prc->tly = prc->bry; + prc->numcblks = 0; + prc->numhcblks = 0; + prc->numvcblks = 0; + prc->cblks = 0; + prc->incltree = 0; + prc->nlibtree = 0; + prc->savincltree = 0; + prc->savnlibtree = 0; + } + + return prc; + +error: + prc_destroy(prc); + return 0; +} + +static void prc_destroy(jpc_enc_prc_t *prc) +{ + jpc_enc_cblk_t *cblk; + uint_fast32_t cblkno; + + if (prc->cblks) { + for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks; + ++cblkno, ++cblk) { + cblk_destroy(cblk); + } + jas_free(prc->cblks); + } + if (prc->incltree) { + jpc_tagtree_destroy(prc->incltree); + } + if (prc->nlibtree) { + jpc_tagtree_destroy(prc->nlibtree); + } + if (prc->savincltree) { + jpc_tagtree_destroy(prc->savincltree); + } + if (prc->savnlibtree) { + jpc_tagtree_destroy(prc->savnlibtree); + } +} + +static jpc_enc_cblk_t *cblk_create(jpc_enc_cblk_t *cblk, jpc_enc_cp_t *cp, jpc_enc_prc_t *prc) +{ + jpc_enc_band_t *band; + uint_fast32_t cblktlx; + uint_fast32_t cblktly; + uint_fast32_t cblkbrx; + uint_fast32_t cblkbry; + jpc_enc_rlvl_t *rlvl; + uint_fast32_t cblkxind; + uint_fast32_t cblkyind; + uint_fast32_t cblkno; + uint_fast32_t tlcblktlx; + uint_fast32_t tlcblktly; + + cblkno = cblk - prc->cblks; + cblkxind = cblkno % prc->numhcblks; + cblkyind = cblkno / prc->numhcblks; + rlvl = prc->band->rlvl; + cblk->prc = prc; + + cblk->numpasses = 0; + cblk->passes = 0; + cblk->numencpasses = 0; + cblk->numimsbs = 0; + cblk->numlenbits = 0; + cblk->stream = 0; + cblk->mqenc = 0; + cblk->flags = 0; + cblk->numbps = 0; + cblk->curpass = 0; + cblk->data = 0; + cblk->savedcurpass = 0; + cblk->savednumlenbits = 0; + cblk->savednumencpasses = 0; + + band = prc->band; + tlcblktlx = JPC_FLOORTOMULTPOW2(prc->tlx, rlvl->cblkwidthexpn); + tlcblktly = JPC_FLOORTOMULTPOW2(prc->tly, rlvl->cblkheightexpn); + cblktlx = JAS_MAX(tlcblktlx + (cblkxind << rlvl->cblkwidthexpn), prc->tlx); + cblktly = JAS_MAX(tlcblktly + (cblkyind << rlvl->cblkheightexpn), prc->tly); + cblkbrx = JAS_MIN(tlcblktlx + ((cblkxind + 1) << rlvl->cblkwidthexpn), + prc->brx); + cblkbry = JAS_MIN(tlcblktly + ((cblkyind + 1) << rlvl->cblkheightexpn), + prc->bry); + + assert(cblktlx < cblkbrx && cblktly < cblkbry); + if (!(cblk->data = jas_seq2d_create(0, 0, 0, 0))) { + goto error; + } + jas_seq2d_bindsub(cblk->data, band->data, cblktlx, cblktly, cblkbrx, cblkbry); + + return cblk; + +error: + cblk_destroy(cblk); + return 0; +} + +static void cblk_destroy(jpc_enc_cblk_t *cblk) +{ + uint_fast16_t passno; + jpc_enc_pass_t *pass; + if (cblk->passes) { + for (passno = 0, pass = cblk->passes; passno < cblk->numpasses; + ++passno, ++pass) { + pass_destroy(pass); + } + jas_free(cblk->passes); + } + if (cblk->stream) { + jas_stream_close(cblk->stream); + } + if (cblk->mqenc) { + jpc_mqenc_destroy(cblk->mqenc); + } + if (cblk->data) { + jas_seq2d_destroy(cblk->data); + } + if (cblk->flags) { + jas_seq2d_destroy(cblk->flags); + } +} + +static void pass_destroy(jpc_enc_pass_t *pass) +{ + /* XXX - need to free resources here */ +} + +void jpc_enc_dump(jpc_enc_t *enc) +{ + jpc_enc_tile_t *tile; + jpc_enc_tcmpt_t *tcmpt; + jpc_enc_rlvl_t *rlvl; + jpc_enc_band_t *band; + jpc_enc_prc_t *prc; + jpc_enc_cblk_t *cblk; + uint_fast16_t cmptno; + uint_fast16_t rlvlno; + uint_fast16_t bandno; + uint_fast32_t prcno; + uint_fast32_t cblkno; + + tile = enc->curtile; + + for (cmptno = 0, tcmpt = tile->tcmpts; cmptno < tile->numtcmpts; ++cmptno, + ++tcmpt) { + jas_eprintf(" tcmpt %5d %5d %5d %5d\n", jas_seq2d_xstart(tcmpt->data), jas_seq2d_ystart(tcmpt->data), jas_seq2d_xend(tcmpt->data), jas_seq2d_yend(tcmpt->data)); + for (rlvlno = 0, rlvl = tcmpt->rlvls; rlvlno < tcmpt->numrlvls; + ++rlvlno, ++rlvl) { + jas_eprintf(" rlvl %5d %5d %5d %5d\n", rlvl->tlx, rlvl->tly, rlvl->brx, rlvl->bry); + for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands; + ++bandno, ++band) { + if (!band->data) { + continue; + } + jas_eprintf(" band %5d %5d %5d %5d\n", jas_seq2d_xstart(band->data), jas_seq2d_ystart(band->data), jas_seq2d_xend(band->data), jas_seq2d_yend(band->data)); + for (prcno = 0, prc = band->prcs; prcno < rlvl->numprcs; + ++prcno, ++prc) { + jas_eprintf(" prc %5d %5d %5d %5d (%5d %5d)\n", prc->tlx, prc->tly, prc->brx, prc->bry, prc->brx - prc->tlx, prc->bry - prc->tly); + if (!prc->cblks) { + continue; + } + for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks; + ++cblkno, ++cblk) { + jas_eprintf(" cblk %5d %5d %5d %5d\n", jas_seq2d_xstart(cblk->data), jas_seq2d_ystart(cblk->data), jas_seq2d_xend(cblk->data), jas_seq2d_yend(cblk->data)); + } + } + } + } + } +} diff --git a/src/libjasper/jpc/jpc_enc.h b/src/libjasper/jpc/jpc_enc.h new file mode 100644 index 0000000..a29720b --- /dev/null +++ b/src/libjasper/jpc/jpc_enc.h @@ -0,0 +1,646 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * $Id: jpc_enc.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_ENC_H +#define JPC_ENC_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_seq.h" + +#include "jpc_t2cod.h" +#include "jpc_mqenc.h" +#include "jpc_cod.h" +#include "jpc_tagtree.h" +#include "jpc_cs.h" +#include "jpc_flt.h" +#include "jpc_tsfb.h" + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* The number of bits used in various lookup tables. */ +#define JPC_NUMEXTRABITS JPC_NMSEDEC_FRACBITS + +/* An invalid R-D slope value. */ +#define JPC_BADRDSLOPE (-1) + +/******************************************************************************\ +* Coding parameters types. +\******************************************************************************/ + +/* Per-component coding paramters. */ + +typedef struct { + + /* The horizontal sampling period. */ + uint_fast8_t sampgrdstepx; + + /* The vertical sampling period. */ + uint_fast8_t sampgrdstepy; + + /* The sample alignment horizontal offset. */ + uint_fast8_t sampgrdsubstepx; + + /* The sample alignment vertical offset. */ + uint_fast8_t sampgrdsubstepy; + + /* The precision of the samples. */ + uint_fast8_t prec; + + /* The signedness of the samples. */ + bool sgnd; + + /* The number of step sizes. */ + uint_fast16_t numstepsizes; + + /* The quantizer step sizes. */ + uint_fast16_t stepsizes[JPC_MAXBANDS]; + +} jpc_enc_ccp_t; + +/* Per-tile coding parameters. */ + +typedef struct { + + /* The coding mode. */ + bool intmode; + + /* The coding style (i.e., SOP, EPH). */ + uint_fast8_t csty; + + /* The progression order. */ + uint_fast8_t prg; + + /* The multicomponent transform. */ + uint_fast8_t mctid; + + /* The number of layers. */ + uint_fast16_t numlyrs; + + /* The normalized bit rates associated with the various + intermediate layers. */ + jpc_fix_t *ilyrrates; + +} jpc_enc_tcp_t; + +/* Per tile-component coding parameters. */ + +typedef struct { + + /* The coding style (i.e., explicit precinct sizes). */ + uint_fast8_t csty; + + /* The maximum number of resolution levels allowed. */ + uint_fast8_t maxrlvls; + + /* The exponent for the nominal code block width. */ + uint_fast16_t cblkwidthexpn; + + /* The exponent for the nominal code block height. */ + uint_fast16_t cblkheightexpn; + + /* The code block style parameters (e.g., lazy, terminate all, + segmentation symbols, causal, reset probability models). */ + uint_fast8_t cblksty; + + /* The QMFB. */ + uint_fast8_t qmfbid; + + /* The precinct width values. */ + uint_fast16_t prcwidthexpns[JPC_MAXRLVLS]; + + /* The precinct height values. */ + uint_fast16_t prcheightexpns[JPC_MAXRLVLS]; + + /* The number of guard bits. */ + uint_fast8_t numgbits; + +} jpc_enc_tccp_t; + +/* Coding parameters. */ + +typedef struct { + + /* The debug level. */ + int debug; + + /* The horizontal offset from the origin of the reference grid to the + left edge of the image area. */ + uint_fast32_t imgareatlx; + + /* The vertical offset from the origin of the reference grid to the + top edge of the image area. */ + uint_fast32_t imgareatly; + + /* The horizontal offset from the origin of the reference grid to the + right edge of the image area (plus one). */ + uint_fast32_t refgrdwidth; + + /* The vertical offset from the origin of the reference grid to the + bottom edge of the image area (plus one). */ + uint_fast32_t refgrdheight; + + /* The horizontal offset from the origin of the tile grid to the + origin of the reference grid. */ + uint_fast32_t tilegrdoffx; + + /* The vertical offset from the origin of the tile grid to the + origin of the reference grid. */ + uint_fast32_t tilegrdoffy; + + /* The nominal tile width in units of the image reference grid. */ + uint_fast32_t tilewidth; + + /* The nominal tile height in units of the image reference grid. */ + uint_fast32_t tileheight; + + /* The number of tiles spanning the image area in the horizontal + direction. */ + uint_fast32_t numhtiles; + + /* The number of tiles spanning the image area in the vertical + direction. */ + uint_fast32_t numvtiles; + + /* The number of tiles. */ + uint_fast32_t numtiles; + + /* The number of components. */ + uint_fast16_t numcmpts; + + /* The per-component coding parameters. */ + jpc_enc_ccp_t *ccps; + + /* The per-tile coding parameters. */ + jpc_enc_tcp_t tcp; + + /* The per-tile-component coding parameters. */ + jpc_enc_tccp_t tccp; + + /* The target code stream length in bytes. */ + uint_fast32_t totalsize; + + /* The raw (i.e., uncompressed) size of the image in bytes. */ + uint_fast32_t rawsize; + +} jpc_enc_cp_t; + +/******************************************************************************\ +* Encoder class. +\******************************************************************************/ + +/* Encoder per-coding-pass state information. */ + +typedef struct { + + /* The starting offset for this pass. */ + int start; + + /* The ending offset for this pass. */ + int end; + + /* The type of data in this pass (i.e., MQ or raw). */ + int type; + + /* Flag indicating that this pass is terminated. */ + int term; + + /* The entropy coder state after coding this pass. */ + jpc_mqencstate_t mqencstate; + + /* The layer to which this pass has been assigned. */ + int lyrno; + + /* The R-D slope for this pass. */ + jpc_flt_t rdslope; + + /* The weighted MSE reduction associated with this pass. */ + jpc_flt_t wmsedec; + + /* The cumulative weighted MSE reduction. */ + jpc_flt_t cumwmsedec; + + /* The normalized MSE reduction. */ + long nmsedec; + +} jpc_enc_pass_t; + +/* Encoder per-code-block state information. */ + +typedef struct { + + /* The number of passes. */ + int numpasses; + + /* The per-pass information. */ + jpc_enc_pass_t *passes; + + /* The number of passes encoded so far. */ + int numencpasses; + + /* The number of insignificant MSBs. */ + int numimsbs; + + /* The number of bits used to encode pass data lengths. */ + int numlenbits; + + /* The byte stream for this code block. */ + jas_stream_t *stream; + + /* The entropy encoder. */ + jpc_mqenc_t *mqenc; + + /* The data for this code block. */ + jas_matrix_t *data; + + /* The state for this code block. */ + jas_matrix_t *flags; + + /* The number of bit planes required for this code block. */ + int numbps; + + /* The next pass to be encoded. */ + jpc_enc_pass_t *curpass; + + /* The per-code-block-group state information. */ + struct jpc_enc_prc_s *prc; + + /* The saved current pass. */ + /* This is used by the rate control code. */ + jpc_enc_pass_t *savedcurpass; + + /* The saved length indicator size. */ + /* This is used by the rate control code. */ + int savednumlenbits; + + /* The saved number of encoded passes. */ + /* This is used by the rate control code. */ + int savednumencpasses; + +} jpc_enc_cblk_t; + +/* Encoder per-code-block-group state information. */ + +typedef struct jpc_enc_prc_s { + + /* The x-coordinate of the top-left corner of the precinct. */ + uint_fast32_t tlx; + + /* The y-coordinate of the top-left corner of the precinct. */ + uint_fast32_t tly; + + /* The x-coordinate of the bottom-right corner of the precinct + (plus one). */ + uint_fast32_t brx; + + /* The y-coordinate of the bottom-right corner of the precinct + (plus one). */ + uint_fast32_t bry; + + /* The number of code blocks spanning the precinct in the horizontal + direction. */ + int numhcblks; + + /* The number of code blocks spanning the precinct in the vertical + direction. */ + int numvcblks; + + /* The total number of code blocks. */ + int numcblks; + + /* The per-code-block information. */ + jpc_enc_cblk_t *cblks; + + /* The inclusion tag tree. */ + jpc_tagtree_t *incltree; + + /* The insignifcant MSBs tag tree. */ + jpc_tagtree_t *nlibtree; + + /* The per-band information. */ + struct jpc_enc_band_s *band; + + /* The saved inclusion tag tree. */ + /* This is used by rate control. */ + jpc_tagtree_t *savincltree; + + /* The saved leading-insignificant-bit-planes tag tree. */ + /* This is used by rate control. */ + jpc_tagtree_t *savnlibtree; + +} jpc_enc_prc_t; + +/* Encoder per-band state information. */ + +typedef struct jpc_enc_band_s { + + /* The per precinct information. */ + jpc_enc_prc_t *prcs; + + /* The coefficient data for this band. */ + jas_matrix_t *data; + + /* The orientation of this band (i.e., LL, LH, HL, or HH). */ + int orient; + + /* The number of bit planes associated with this band. */ + int numbps; + + /* The quantizer step size. */ + jpc_fix_t absstepsize; + + /* The encoded quantizer step size. */ + int stepsize; + + /* The L2 norm of the synthesis basis functions associated with + this band. (The MCT is not considered in this value.) */ + jpc_fix_t synweight; + + /* The analysis gain for this band. */ + int analgain; + + /* The per-resolution-level information. */ + struct jpc_enc_rlvl_s *rlvl; + +} jpc_enc_band_t; + +/* Encoder per-resolution-level state information. */ + +typedef struct jpc_enc_rlvl_s { + + /* The x-coordinate of the top-left corner of the tile-component + at this resolution. */ + uint_fast32_t tlx; + + /* The y-coordinate of the top-left corner of the tile-component + at this resolution. */ + uint_fast32_t tly; + + /* The x-coordinate of the bottom-right corner of the tile-component + at this resolution (plus one). */ + uint_fast32_t brx; + + /* The y-coordinate of the bottom-right corner of the tile-component + at this resolution (plus one). */ + uint_fast32_t bry; + + /* The exponent value for the nominal precinct width measured + relative to the associated LL band. */ + int prcwidthexpn; + + /* The exponent value for the nominal precinct height measured + relative to the associated LL band. */ + int prcheightexpn; + + /* The number of precincts spanning the resolution level in the + horizontal direction. */ + int numhprcs; + + /* The number of precincts spanning the resolution level in the + vertical direction. */ + int numvprcs; + + /* The total number of precincts. */ + int numprcs; + + /* The exponent value for the nominal code block group width. + This quantity is associated with the next lower resolution level + (assuming that there is one). */ + int cbgwidthexpn; + + /* The exponent value for the nominal code block group height. + This quantity is associated with the next lower resolution level + (assuming that there is one). */ + int cbgheightexpn; + + /* The exponent value for the code block width. */ + uint_fast16_t cblkwidthexpn; + + /* The exponent value for the code block height. */ + uint_fast16_t cblkheightexpn; + + /* The number of bands associated with this resolution level. */ + int numbands; + + /* The per-band information. */ + jpc_enc_band_t *bands; + + /* The parent tile-component. */ + struct jpc_enc_tcmpt_s *tcmpt; + +} jpc_enc_rlvl_t; + +/* Encoder per-tile-component state information. */ + +typedef struct jpc_enc_tcmpt_s { + + /* The number of resolution levels. */ + int numrlvls; + + /* The per-resolution-level information. */ + jpc_enc_rlvl_t *rlvls; + + /* The tile-component data. */ + jas_matrix_t *data; + + /* The QMFB. */ + int qmfbid; + + /* The number of bands. */ + int numbands; + + /* The TSFB. */ + jpc_tsfb_t *tsfb; + + /* The synthesis energy weight (for the MCT). */ + jpc_fix_t synweight; + + /* The precinct width exponents. */ + int prcwidthexpns[JPC_MAXRLVLS]; + + /* The precinct height exponents. */ + int prcheightexpns[JPC_MAXRLVLS]; + + /* The code block width exponent. */ + int cblkwidthexpn; + + /* The code block height exponent. */ + int cblkheightexpn; + + /* Coding style (i.e., explicit precinct sizes). */ + int csty; + + /* Code block style. */ + int cblksty; + + /* The number of quantizer step sizes. */ + int numstepsizes; + + /* The encoded quantizer step sizes. */ + uint_fast16_t stepsizes[JPC_MAXBANDS]; + + /* The parent tile. */ + struct jpc_enc_tile_s *tile; + +} jpc_enc_tcmpt_t; + +/* Encoder per-tile state information. */ + +typedef struct jpc_enc_tile_s { + + /* The tile number. */ + uint_fast32_t tileno; + + /* The x-coordinate of the top-left corner of the tile measured with + respect to the reference grid. */ + uint_fast32_t tlx; + + /* The y-coordinate of the top-left corner of the tile measured with + respect to the reference grid. */ + uint_fast32_t tly; + + /* The x-coordinate of the bottom-right corner of the tile measured + with respect to the reference grid (plus one). */ + uint_fast32_t brx; + + /* The y-coordinate of the bottom-right corner of the tile measured + with respect to the reference grid (plus one). */ + uint_fast32_t bry; + + /* The coding style. */ + uint_fast8_t csty; + + /* The progression order. */ + uint_fast8_t prg; + + /* The number of layers. */ + int numlyrs; + + /* The MCT to employ (if any). */ + uint_fast8_t mctid; + + /* The packet iterator (used to determine the order of packet + generation). */ + jpc_pi_t *pi; + + /* The coding mode (i.e., integer or real). */ + bool intmode; + + /* The number of bytes to allocate to the various layers. */ + uint_fast32_t *lyrsizes; + + /* The number of tile-components. */ + int numtcmpts; + + /* The per tile-component information. */ + jpc_enc_tcmpt_t *tcmpts; + + /* The raw (i.e., uncompressed) size of this tile. */ + uint_fast32_t rawsize; + +} jpc_enc_tile_t; + +/* Encoder class. */ + +typedef struct jpc_enc_s { + + /* The image being encoded. */ + jas_image_t *image; + + /* The output stream. */ + jas_stream_t *out; + + /* The coding parameters. */ + jpc_enc_cp_t *cp; + + /* The tile currently being processed. */ + jpc_enc_tile_t *curtile; + + /* The code stream state. */ + jpc_cstate_t *cstate; + + /* The number of bytes output so far. */ + uint_fast32_t len; + + /* The number of bytes available for the main body of the code stream. */ + /* This is used for rate allocation purposes. */ + uint_fast32_t mainbodysize; + + /* The marker segment currently being processed. */ + /* This member is a convenience for making cleanup easier. */ + jpc_ms_t *mrk; + + /* The stream used to temporarily hold tile-part data. */ + jas_stream_t *tmpstream; + +} jpc_enc_t; + +#endif diff --git a/src/libjasper/jpc/jpc_fix.h b/src/libjasper/jpc/jpc_fix.h new file mode 100644 index 0000000..d2b88ed --- /dev/null +++ b/src/libjasper/jpc/jpc_fix.h @@ -0,0 +1,144 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Fixed-Point Number Class + * + * $Id: jpc_fix.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_FIX_H +#define JPC_FIX_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_types.h" +#include "jasper/jas_fix.h" + +/******************************************************************************\ +* Basic parameters of the fixed-point type. +\******************************************************************************/ + +/* The integral type used to represent a fixed-point number. This + type must be capable of representing values from -(2^31) to 2^31-1 + (inclusive). */ +typedef int_fast32_t jpc_fix_t; + +/* The integral type used to respresent higher-precision intermediate results. + This type should be capable of representing values from -(2^63) to 2^63-1 + (inclusive). */ +typedef int_fast64_t jpc_fix_big_t; + +/* The number of bits used for the fractional part of a fixed-point number. */ +#define JPC_FIX_FRACBITS 13 + +/******************************************************************************\ +* Instantiations of the generic fixed-point number macros for the +* parameters given above. (Too bad C does not support templates, eh?) +* The purpose of these macros is self-evident if one examines the +* corresponding macros in the jasper/jas_fix.h header file. +\******************************************************************************/ + +#define JPC_FIX_ZERO JAS_FIX_ZERO(jpc_fix_t, JPC_FIX_FRACBITS) +#define JPC_FIX_ONE JAS_FIX_ONE(jpc_fix_t, JPC_FIX_FRACBITS) +#define JPC_FIX_HALF JAS_FIX_HALF(jpc_fix_t, JPC_FIX_FRACBITS) + +#define jpc_inttofix(x) JAS_INTTOFIX(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fixtoint(x) JAS_FIXTOINT(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fixtodbl(x) JAS_FIXTODBL(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_dbltofix(x) JAS_DBLTOFIX(jpc_fix_t, JPC_FIX_FRACBITS, x) + +#define jpc_fix_add(x, y) JAS_FIX_ADD(jpc_fix_t, JPC_FIX_FRACBITS, x, y) +#define jpc_fix_sub(x, y) JAS_FIX_SUB(jpc_fix_t, JPC_FIX_FRACBITS, x, y) +#define jpc_fix_mul(x, y) \ + JAS_FIX_MUL(jpc_fix_t, JPC_FIX_FRACBITS, jpc_fix_big_t, x, y) +#define jpc_fix_mulbyint(x, y) \ + JAS_FIX_MULBYINT(jpc_fix_t, JPC_FIX_FRACBITS, x, y) +#define jpc_fix_div(x, y) \ + JAS_FIX_DIV(jpc_fix_t, JPC_FIX_FRACBITS, jpc_fix_big_t, x, y) +#define jpc_fix_neg(x) JAS_FIX_NEG(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fix_asl(x, n) JAS_FIX_ASL(jpc_fix_t, JPC_FIX_FRACBITS, x, n) +#define jpc_fix_asr(x, n) JAS_FIX_ASR(jpc_fix_t, JPC_FIX_FRACBITS, x, n) + +#define jpc_fix_pluseq(x, y) JAS_FIX_PLUSEQ(jpc_fix_t, JPC_FIX_FRACBITS, x, y) +#define jpc_fix_minuseq(x, y) JAS_FIX_MINUSEQ(jpc_fix_t, JPC_FIX_FRACBITS, x, y) +#define jpc_fix_muleq(x, y) \ + JAS_FIX_MULEQ(jpc_fix_t, JPC_FIX_FRACBITS, jpc_fix_big_t, x, y) + +#define jpc_fix_abs(x) JAS_FIX_ABS(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fix_isint(x) JAS_FIX_ISINT(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fix_sgn(x) JAS_FIX_SGN(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fix_round(x) JAS_FIX_ROUND(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fix_floor(x) JAS_FIX_FLOOR(jpc_fix_t, JPC_FIX_FRACBITS, x) +#define jpc_fix_trunc(x) JAS_FIX_TRUNC(jpc_fix_t, JPC_FIX_FRACBITS, x) + +/******************************************************************************\ +* Extra macros for convenience. +\******************************************************************************/ + +/* Compute the sum of three fixed-point numbers. */ +#define jpc_fix_add3(x, y, z) jpc_fix_add(jpc_fix_add(x, y), z) + +#endif diff --git a/src/libjasper/jpc/jpc_flt.h b/src/libjasper/jpc/jpc_flt.h new file mode 100644 index 0000000..f942f3d --- /dev/null +++ b/src/libjasper/jpc/jpc_flt.h @@ -0,0 +1,80 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Floating-Point Class + * + * $Id: jpc_flt.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_FLT_H +#define JPC_FLT_H + +#include <float.h> + +/* The code ought to be modified so this type is not used at all. */ +/* Very few places in the code rely on floating-point arithmetic, aside + from conversions in printf's. */ +typedef double jpc_flt_t; + +#endif diff --git a/src/libjasper/jpc/jpc_math.c b/src/libjasper/jpc/jpc_math.c new file mode 100644 index 0000000..f268554 --- /dev/null +++ b/src/libjasper/jpc/jpc_math.c @@ -0,0 +1,121 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Math Library + * + * $Id: jpc_math.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes +\******************************************************************************/ + +#include <assert.h> +#include <stdio.h> +#include <string.h> +#include <math.h> +#include <stdlib.h> +#include <stdarg.h> + +#include "jpc_math.h" + +/******************************************************************************\ +* Miscellaneous Functions +\******************************************************************************/ + +/* Calculate the integer quantity floor(log2(x)), where x is a positive + integer. */ +int jpc_floorlog2(int x) +{ + int y; + + /* The argument must be positive. */ + assert(x > 0); + + y = 0; + while (x > 1) { + x >>= 1; + ++y; + } + return y; +} + +/* Calculate the bit position of the first leading one in a nonnegative + integer. */ +/* This function is the basically the same as ceillog2(x), except that the + allowable range for x is slightly different. */ +int jpc_firstone(int x) +{ + int n; + + /* The argument must be nonnegative. */ + assert(x >= 0); + + n = -1; + while (x > 0) { + x >>= 1; + ++n; + } + return n; +} diff --git a/src/libjasper/jpc/jpc_math.h b/src/libjasper/jpc/jpc_math.h new file mode 100644 index 0000000..e8e0978 --- /dev/null +++ b/src/libjasper/jpc/jpc_math.h @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +#ifndef JPC_MATH_H +#define JPC_MATH_H + +/******************************************************************************\ +* Includes +\******************************************************************************/ + +#include <assert.h> + +/******************************************************************************\ +* Macros +\******************************************************************************/ + +/* Compute the floor of the quotient of two integers. */ +#define JPC_FLOORDIV(x, y) ((x) / (y)) + +/* Compute the ceiling of the quotient of two integers. */ +#define JPC_CEILDIV(x, y) (((x) + (y) - 1) / (y)) + +/* Compute the floor of (x / 2^y). */ +#define JPC_FLOORDIVPOW2(x, y) ((x) >> (y)) + +/* Compute the ceiling of (x / 2^y). */ +#define JPC_CEILDIVPOW2(x, y) (((x) + (1 << (y)) - 1) >> (y)) + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +/* Calculate the bit position of the first leading one in a nonnegative + integer. */ +int jpc_firstone(int x); + +/* Calculate the integer quantity floor(log2(x)), where x is a positive + integer. */ +int jpc_floorlog2(int x); + +#endif diff --git a/src/libjasper/jpc/jpc_mct.c b/src/libjasper/jpc/jpc_mct.c new file mode 100644 index 0000000..c5b33e4 --- /dev/null +++ b/src/libjasper/jpc/jpc_mct.c @@ -0,0 +1,291 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Multicomponent Transform Code + * + * $Id: jpc_mct.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <assert.h> + +#include "jasper/jas_seq.h" + +#include "jpc_fix.h" +#include "jpc_mct.h" + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +/* Compute the forward RCT. */ + +void jpc_rct(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2) +{ + int numrows; + int numcols; + int i; + int j; + jpc_fix_t *c0p; + jpc_fix_t *c1p; + jpc_fix_t *c2p; + + numrows = jas_matrix_numrows(c0); + numcols = jas_matrix_numcols(c0); + + /* All three matrices must have the same dimensions. */ + assert(jas_matrix_numrows(c1) == numrows && jas_matrix_numcols(c1) == numcols + && jas_matrix_numrows(c2) == numrows && jas_matrix_numcols(c2) == numcols); + + for (i = 0; i < numrows; i++) { + c0p = jas_matrix_getref(c0, i, 0); + c1p = jas_matrix_getref(c1, i, 0); + c2p = jas_matrix_getref(c2, i, 0); + for (j = numcols; j > 0; --j) { + int r; + int g; + int b; + int y; + int u; + int v; + r = *c0p; + g = *c1p; + b = *c2p; + y = (r + (g << 1) + b) >> 2; + u = b - g; + v = r - g; + *c0p++ = y; + *c1p++ = u; + *c2p++ = v; + } + } +} + +/* Compute the inverse RCT. */ + +void jpc_irct(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2) +{ + int numrows; + int numcols; + int i; + int j; + jpc_fix_t *c0p; + jpc_fix_t *c1p; + jpc_fix_t *c2p; + + numrows = jas_matrix_numrows(c0); + numcols = jas_matrix_numcols(c0); + + /* All three matrices must have the same dimensions. */ + assert(jas_matrix_numrows(c1) == numrows && jas_matrix_numcols(c1) == numcols + && jas_matrix_numrows(c2) == numrows && jas_matrix_numcols(c2) == numcols); + + for (i = 0; i < numrows; i++) { + c0p = jas_matrix_getref(c0, i, 0); + c1p = jas_matrix_getref(c1, i, 0); + c2p = jas_matrix_getref(c2, i, 0); + for (j = numcols; j > 0; --j) { + int r; + int g; + int b; + int y; + int u; + int v; + y = *c0p; + u = *c1p; + v = *c2p; + g = y - ((u + v) >> 2); + r = v + g; + b = u + g; + *c0p++ = r; + *c1p++ = g; + *c2p++ = b; + } + } +} + +void jpc_ict(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2) +{ + int numrows; + int numcols; + int i; + int j; + jpc_fix_t r; + jpc_fix_t g; + jpc_fix_t b; + jpc_fix_t y; + jpc_fix_t u; + jpc_fix_t v; + jpc_fix_t *c0p; + jpc_fix_t *c1p; + jpc_fix_t *c2p; + + numrows = jas_matrix_numrows(c0); + assert(jas_matrix_numrows(c1) == numrows && jas_matrix_numrows(c2) == numrows); + numcols = jas_matrix_numcols(c0); + assert(jas_matrix_numcols(c1) == numcols && jas_matrix_numcols(c2) == numcols); + for (i = 0; i < numrows; ++i) { + c0p = jas_matrix_getref(c0, i, 0); + c1p = jas_matrix_getref(c1, i, 0); + c2p = jas_matrix_getref(c2, i, 0); + for (j = numcols; j > 0; --j) { + r = *c0p; + g = *c1p; + b = *c2p; + y = jpc_fix_add3(jpc_fix_mul(jpc_dbltofix(0.299), r), jpc_fix_mul(jpc_dbltofix(0.587), g), + jpc_fix_mul(jpc_dbltofix(0.114), b)); + u = jpc_fix_add3(jpc_fix_mul(jpc_dbltofix(-0.16875), r), jpc_fix_mul(jpc_dbltofix(-0.33126), g), + jpc_fix_mul(jpc_dbltofix(0.5), b)); + v = jpc_fix_add3(jpc_fix_mul(jpc_dbltofix(0.5), r), jpc_fix_mul(jpc_dbltofix(-0.41869), g), + jpc_fix_mul(jpc_dbltofix(-0.08131), b)); + *c0p++ = y; + *c1p++ = u; + *c2p++ = v; + } + } +} + +void jpc_iict(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2) +{ + int numrows; + int numcols; + int i; + int j; + jpc_fix_t r; + jpc_fix_t g; + jpc_fix_t b; + jpc_fix_t y; + jpc_fix_t u; + jpc_fix_t v; + jpc_fix_t *c0p; + jpc_fix_t *c1p; + jpc_fix_t *c2p; + + numrows = jas_matrix_numrows(c0); + assert(jas_matrix_numrows(c1) == numrows && jas_matrix_numrows(c2) == numrows); + numcols = jas_matrix_numcols(c0); + assert(jas_matrix_numcols(c1) == numcols && jas_matrix_numcols(c2) == numcols); + for (i = 0; i < numrows; ++i) { + c0p = jas_matrix_getref(c0, i, 0); + c1p = jas_matrix_getref(c1, i, 0); + c2p = jas_matrix_getref(c2, i, 0); + for (j = numcols; j > 0; --j) { + y = *c0p; + u = *c1p; + v = *c2p; + r = jpc_fix_add(y, jpc_fix_mul(jpc_dbltofix(1.402), v)); + g = jpc_fix_add3(y, jpc_fix_mul(jpc_dbltofix(-0.34413), u), + jpc_fix_mul(jpc_dbltofix(-0.71414), v)); + b = jpc_fix_add(y, jpc_fix_mul(jpc_dbltofix(1.772), u)); + *c0p++ = r; + *c1p++ = g; + *c2p++ = b; + } + } +} + +jpc_fix_t jpc_mct_getsynweight(int mctid, int cmptno) +{ + jpc_fix_t synweight; + + synweight = JPC_FIX_ONE; + switch (mctid) { + case JPC_MCT_RCT: + switch (cmptno) { + case 0: + synweight = jpc_dbltofix(sqrt(3.0)); + break; + case 1: + synweight = jpc_dbltofix(sqrt(0.6875)); + break; + case 2: + synweight = jpc_dbltofix(sqrt(0.6875)); + break; + } + break; + case JPC_MCT_ICT: + switch (cmptno) { + case 0: + synweight = jpc_dbltofix(sqrt(3.0000)); + break; + case 1: + synweight = jpc_dbltofix(sqrt(3.2584)); + break; + case 2: + synweight = jpc_dbltofix(sqrt(2.4755)); + break; + } + break; +#if 0 + default: + synweight = JPC_FIX_ONE; + break; +#endif + } + + return synweight; +} diff --git a/src/libjasper/jpc/jpc_mct.h b/src/libjasper/jpc/jpc_mct.h new file mode 100644 index 0000000..7d0176b --- /dev/null +++ b/src/libjasper/jpc/jpc_mct.h @@ -0,0 +1,111 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Multicomponent Transform Code + * + * $Id: jpc_mct.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_MCT_H +#define JPC_MCT_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_seq.h" +#include "jasper/jas_fix.h" + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* + * Multicomponent transform IDs. + */ + +#define JPC_MCT_NONE 0 +#define JPC_MCT_ICT 1 +#define JPC_MCT_RCT 2 + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +/* Calculate the forward RCT. */ +void jpc_rct(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2); + +/* Calculate the inverse RCT. */ +void jpc_irct(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2); + +/* Calculate the forward ICT. */ +void jpc_ict(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2); + +/* Calculate the inverse ICT. */ +void jpc_iict(jas_matrix_t *c0, jas_matrix_t *c1, jas_matrix_t *c2); + +/* Get the synthesis weight associated with a particular component. */ +jpc_fix_t jpc_mct_getsynweight(int mctid, int cmptno); + +#endif diff --git a/src/libjasper/jpc/jpc_mqcod.c b/src/libjasper/jpc/jpc_mqcod.c new file mode 100644 index 0000000..f6149b3 --- /dev/null +++ b/src/libjasper/jpc/jpc_mqcod.c @@ -0,0 +1,179 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * MQ Arithmetic Coder + * + * $Id: jpc_mqcod.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_malloc.h" + +#include "jpc_mqcod.h" + +/******************************************************************************\ +* Data. +\******************************************************************************/ + +/* MQ coder per-state information. */ + +jpc_mqstate_t jpc_mqstates[47 * 2] = { + {0x5601, 0, &jpc_mqstates[ 2], &jpc_mqstates[ 3]}, + {0x5601, 1, &jpc_mqstates[ 3], &jpc_mqstates[ 2]}, + {0x3401, 0, &jpc_mqstates[ 4], &jpc_mqstates[12]}, + {0x3401, 1, &jpc_mqstates[ 5], &jpc_mqstates[13]}, + {0x1801, 0, &jpc_mqstates[ 6], &jpc_mqstates[18]}, + {0x1801, 1, &jpc_mqstates[ 7], &jpc_mqstates[19]}, + {0x0ac1, 0, &jpc_mqstates[ 8], &jpc_mqstates[24]}, + {0x0ac1, 1, &jpc_mqstates[ 9], &jpc_mqstates[25]}, + {0x0521, 0, &jpc_mqstates[10], &jpc_mqstates[58]}, + {0x0521, 1, &jpc_mqstates[11], &jpc_mqstates[59]}, + {0x0221, 0, &jpc_mqstates[76], &jpc_mqstates[66]}, + {0x0221, 1, &jpc_mqstates[77], &jpc_mqstates[67]}, + {0x5601, 0, &jpc_mqstates[14], &jpc_mqstates[13]}, + {0x5601, 1, &jpc_mqstates[15], &jpc_mqstates[12]}, + {0x5401, 0, &jpc_mqstates[16], &jpc_mqstates[28]}, + {0x5401, 1, &jpc_mqstates[17], &jpc_mqstates[29]}, + {0x4801, 0, &jpc_mqstates[18], &jpc_mqstates[28]}, + {0x4801, 1, &jpc_mqstates[19], &jpc_mqstates[29]}, + {0x3801, 0, &jpc_mqstates[20], &jpc_mqstates[28]}, + {0x3801, 1, &jpc_mqstates[21], &jpc_mqstates[29]}, + {0x3001, 0, &jpc_mqstates[22], &jpc_mqstates[34]}, + {0x3001, 1, &jpc_mqstates[23], &jpc_mqstates[35]}, + {0x2401, 0, &jpc_mqstates[24], &jpc_mqstates[36]}, + {0x2401, 1, &jpc_mqstates[25], &jpc_mqstates[37]}, + {0x1c01, 0, &jpc_mqstates[26], &jpc_mqstates[40]}, + {0x1c01, 1, &jpc_mqstates[27], &jpc_mqstates[41]}, + {0x1601, 0, &jpc_mqstates[58], &jpc_mqstates[42]}, + {0x1601, 1, &jpc_mqstates[59], &jpc_mqstates[43]}, + {0x5601, 0, &jpc_mqstates[30], &jpc_mqstates[29]}, + {0x5601, 1, &jpc_mqstates[31], &jpc_mqstates[28]}, + {0x5401, 0, &jpc_mqstates[32], &jpc_mqstates[28]}, + {0x5401, 1, &jpc_mqstates[33], &jpc_mqstates[29]}, + {0x5101, 0, &jpc_mqstates[34], &jpc_mqstates[30]}, + {0x5101, 1, &jpc_mqstates[35], &jpc_mqstates[31]}, + {0x4801, 0, &jpc_mqstates[36], &jpc_mqstates[32]}, + {0x4801, 1, &jpc_mqstates[37], &jpc_mqstates[33]}, + {0x3801, 0, &jpc_mqstates[38], &jpc_mqstates[34]}, + {0x3801, 1, &jpc_mqstates[39], &jpc_mqstates[35]}, + {0x3401, 0, &jpc_mqstates[40], &jpc_mqstates[36]}, + {0x3401, 1, &jpc_mqstates[41], &jpc_mqstates[37]}, + {0x3001, 0, &jpc_mqstates[42], &jpc_mqstates[38]}, + {0x3001, 1, &jpc_mqstates[43], &jpc_mqstates[39]}, + {0x2801, 0, &jpc_mqstates[44], &jpc_mqstates[38]}, + {0x2801, 1, &jpc_mqstates[45], &jpc_mqstates[39]}, + {0x2401, 0, &jpc_mqstates[46], &jpc_mqstates[40]}, + {0x2401, 1, &jpc_mqstates[47], &jpc_mqstates[41]}, + {0x2201, 0, &jpc_mqstates[48], &jpc_mqstates[42]}, + {0x2201, 1, &jpc_mqstates[49], &jpc_mqstates[43]}, + {0x1c01, 0, &jpc_mqstates[50], &jpc_mqstates[44]}, + {0x1c01, 1, &jpc_mqstates[51], &jpc_mqstates[45]}, + {0x1801, 0, &jpc_mqstates[52], &jpc_mqstates[46]}, + {0x1801, 1, &jpc_mqstates[53], &jpc_mqstates[47]}, + {0x1601, 0, &jpc_mqstates[54], &jpc_mqstates[48]}, + {0x1601, 1, &jpc_mqstates[55], &jpc_mqstates[49]}, + {0x1401, 0, &jpc_mqstates[56], &jpc_mqstates[50]}, + {0x1401, 1, &jpc_mqstates[57], &jpc_mqstates[51]}, + {0x1201, 0, &jpc_mqstates[58], &jpc_mqstates[52]}, + {0x1201, 1, &jpc_mqstates[59], &jpc_mqstates[53]}, + {0x1101, 0, &jpc_mqstates[60], &jpc_mqstates[54]}, + {0x1101, 1, &jpc_mqstates[61], &jpc_mqstates[55]}, + {0x0ac1, 0, &jpc_mqstates[62], &jpc_mqstates[56]}, + {0x0ac1, 1, &jpc_mqstates[63], &jpc_mqstates[57]}, + {0x09c1, 0, &jpc_mqstates[64], &jpc_mqstates[58]}, + {0x09c1, 1, &jpc_mqstates[65], &jpc_mqstates[59]}, + {0x08a1, 0, &jpc_mqstates[66], &jpc_mqstates[60]}, + {0x08a1, 1, &jpc_mqstates[67], &jpc_mqstates[61]}, + {0x0521, 0, &jpc_mqstates[68], &jpc_mqstates[62]}, + {0x0521, 1, &jpc_mqstates[69], &jpc_mqstates[63]}, + {0x0441, 0, &jpc_mqstates[70], &jpc_mqstates[64]}, + {0x0441, 1, &jpc_mqstates[71], &jpc_mqstates[65]}, + {0x02a1, 0, &jpc_mqstates[72], &jpc_mqstates[66]}, + {0x02a1, 1, &jpc_mqstates[73], &jpc_mqstates[67]}, + {0x0221, 0, &jpc_mqstates[74], &jpc_mqstates[68]}, + {0x0221, 1, &jpc_mqstates[75], &jpc_mqstates[69]}, + {0x0141, 0, &jpc_mqstates[76], &jpc_mqstates[70]}, + {0x0141, 1, &jpc_mqstates[77], &jpc_mqstates[71]}, + {0x0111, 0, &jpc_mqstates[78], &jpc_mqstates[72]}, + {0x0111, 1, &jpc_mqstates[79], &jpc_mqstates[73]}, + {0x0085, 0, &jpc_mqstates[80], &jpc_mqstates[74]}, + {0x0085, 1, &jpc_mqstates[81], &jpc_mqstates[75]}, + {0x0049, 0, &jpc_mqstates[82], &jpc_mqstates[76]}, + {0x0049, 1, &jpc_mqstates[83], &jpc_mqstates[77]}, + {0x0025, 0, &jpc_mqstates[84], &jpc_mqstates[78]}, + {0x0025, 1, &jpc_mqstates[85], &jpc_mqstates[79]}, + {0x0015, 0, &jpc_mqstates[86], &jpc_mqstates[80]}, + {0x0015, 1, &jpc_mqstates[87], &jpc_mqstates[81]}, + {0x0009, 0, &jpc_mqstates[88], &jpc_mqstates[82]}, + {0x0009, 1, &jpc_mqstates[89], &jpc_mqstates[83]}, + {0x0005, 0, &jpc_mqstates[90], &jpc_mqstates[84]}, + {0x0005, 1, &jpc_mqstates[91], &jpc_mqstates[85]}, + {0x0001, 0, &jpc_mqstates[90], &jpc_mqstates[86]}, + {0x0001, 1, &jpc_mqstates[91], &jpc_mqstates[87]}, + {0x5601, 0, &jpc_mqstates[92], &jpc_mqstates[92]}, + {0x5601, 1, &jpc_mqstates[93], &jpc_mqstates[93]}, +}; diff --git a/src/libjasper/jpc/jpc_mqcod.h b/src/libjasper/jpc/jpc_mqcod.h new file mode 100644 index 0000000..ac32b8a --- /dev/null +++ b/src/libjasper/jpc/jpc_mqcod.h @@ -0,0 +1,124 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * MQ Arithmetic Coder + * + * $Id: jpc_mqcod.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_MQCOD_H +#define JPC_MQCOD_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_types.h" + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* + * MQ coder context information. + */ + +typedef struct { + + /* The most probable symbol (MPS). */ + int mps; + + /* The state index. */ + int_fast16_t ind; + +} jpc_mqctx_t; + +/* + * MQ coder state table entry. + */ + +typedef struct jpc_mqstate_s { + + /* The Qe value. */ + uint_fast16_t qeval; + + /* The MPS. */ + int mps; + + /* The NMPS state. */ + struct jpc_mqstate_s *nmps; + + /* The NLPS state. */ + struct jpc_mqstate_s *nlps; + +} jpc_mqstate_t; + +/******************************************************************************\ +* Data. +\******************************************************************************/ + +/* The state table for the MQ coder. */ +extern jpc_mqstate_t jpc_mqstates[]; + +#endif diff --git a/src/libjasper/jpc/jpc_mqdec.c b/src/libjasper/jpc/jpc_mqdec.c new file mode 100644 index 0000000..74e6b33 --- /dev/null +++ b/src/libjasper/jpc/jpc_mqdec.c @@ -0,0 +1,306 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * MQ Arithmetic Decoder + * + * $Id: jpc_mqdec.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <assert.h> +#include <stdlib.h> +#include <stdarg.h> + +#include "jasper/jas_types.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_math.h" +#include "jasper/jas_debug.h" + +#include "jpc_mqdec.h" + +/******************************************************************************\ +* Local macros. +\******************************************************************************/ + +#if defined(DEBUG) +#define MQDEC_CALL(n, x) \ + ((jas_getdbglevel() >= (n)) ? ((void)(x)) : ((void)0)) +#else +#define MQDEC_CALL(n, x) +#endif + +/******************************************************************************\ +* Local function prototypes. +\******************************************************************************/ + +static void jpc_mqdec_bytein(jpc_mqdec_t *mqdec); + +/******************************************************************************\ +* Code for creation and destruction of a MQ decoder. +\******************************************************************************/ + +/* Create a MQ decoder. */ +jpc_mqdec_t *jpc_mqdec_create(int maxctxs, jas_stream_t *in) +{ + jpc_mqdec_t *mqdec; + + /* There must be at least one context. */ + assert(maxctxs > 0); + + /* Allocate memory for the MQ decoder. */ + if (!(mqdec = jas_malloc(sizeof(jpc_mqdec_t)))) { + goto error; + } + mqdec->in = in; + mqdec->maxctxs = maxctxs; + /* Allocate memory for the per-context state information. */ + if (!(mqdec->ctxs = jas_malloc(mqdec->maxctxs * sizeof(jpc_mqstate_t *)))) { + goto error; + } + /* Set the current context to the first context. */ + mqdec->curctx = mqdec->ctxs; + + /* If an input stream has been associated with the MQ decoder, + initialize the decoder state from the stream. */ + if (mqdec->in) { + jpc_mqdec_init(mqdec); + } + /* Initialize the per-context state information. */ + jpc_mqdec_setctxs(mqdec, 0, 0); + + return mqdec; + +error: + /* Oops... Something has gone wrong. */ + if (mqdec) { + jpc_mqdec_destroy(mqdec); + } + return 0; +} + +/* Destroy a MQ decoder. */ +void jpc_mqdec_destroy(jpc_mqdec_t *mqdec) +{ + if (mqdec->ctxs) { + jas_free(mqdec->ctxs); + } + jas_free(mqdec); +} + +/******************************************************************************\ +* Code for initialization of a MQ decoder. +\******************************************************************************/ + +/* Initialize the state of a MQ decoder. */ + +void jpc_mqdec_init(jpc_mqdec_t *mqdec) +{ + int c; + + mqdec->eof = 0; + mqdec->creg = 0; + /* Get the next byte from the input stream. */ + if ((c = jas_stream_getc(mqdec->in)) == EOF) { + /* We have encountered an I/O error or EOF. */ + c = 0xff; + mqdec->eof = 1; + } + mqdec->inbuffer = c; + mqdec->creg += mqdec->inbuffer << 16; + jpc_mqdec_bytein(mqdec); + mqdec->creg <<= 7; + mqdec->ctreg -= 7; + mqdec->areg = 0x8000; +} + +/* Set the input stream for a MQ decoder. */ + +void jpc_mqdec_setinput(jpc_mqdec_t *mqdec, jas_stream_t *in) +{ + mqdec->in = in; +} + +/* Initialize one or more contexts. */ + +void jpc_mqdec_setctxs(jpc_mqdec_t *mqdec, int numctxs, jpc_mqctx_t *ctxs) +{ + jpc_mqstate_t **ctx; + int n; + + ctx = mqdec->ctxs; + n = JAS_MIN(mqdec->maxctxs, numctxs); + while (--n >= 0) { + *ctx = &jpc_mqstates[2 * ctxs->ind + ctxs->mps]; + ++ctx; + ++ctxs; + } + n = mqdec->maxctxs - numctxs; + while (--n >= 0) { + *ctx = &jpc_mqstates[0]; + ++ctx; + } +} + +/* Initialize a context. */ + +void jpc_mqdec_setctx(jpc_mqdec_t *mqdec, int ctxno, jpc_mqctx_t *ctx) +{ + jpc_mqstate_t **ctxi; + ctxi = &mqdec->ctxs[ctxno]; + *ctxi = &jpc_mqstates[2 * ctx->ind + ctx->mps]; +} + +/******************************************************************************\ +* Code for decoding a bit. +\******************************************************************************/ + +/* Decode a bit. */ + +int jpc_mqdec_getbit_func(register jpc_mqdec_t *mqdec) +{ + int bit; + JAS_DBGLOG(100, ("jpc_mqdec_getbit_func(%p)\n", mqdec)); + MQDEC_CALL(100, jpc_mqdec_dump(mqdec, stderr)); + bit = jpc_mqdec_getbit_macro(mqdec); + MQDEC_CALL(100, jpc_mqdec_dump(mqdec, stderr)); + JAS_DBGLOG(100, ("ctx = %d, decoded %d\n", mqdec->curctx - + mqdec->ctxs, bit)); + return bit; +} + +/* Apply MPS_EXCHANGE algorithm (with RENORMD). */ +int jpc_mqdec_mpsexchrenormd(register jpc_mqdec_t *mqdec) +{ + int ret; + register jpc_mqstate_t *state = *mqdec->curctx; + jpc_mqdec_mpsexchange(mqdec->areg, state->qeval, mqdec->curctx, ret); + jpc_mqdec_renormd(mqdec->areg, mqdec->creg, mqdec->ctreg, mqdec->in, + mqdec->eof, mqdec->inbuffer); + return ret; +} + +/* Apply LPS_EXCHANGE algorithm (with RENORMD). */ +int jpc_mqdec_lpsexchrenormd(register jpc_mqdec_t *mqdec) +{ + int ret; + register jpc_mqstate_t *state = *mqdec->curctx; + jpc_mqdec_lpsexchange(mqdec->areg, state->qeval, mqdec->curctx, ret); + jpc_mqdec_renormd(mqdec->areg, mqdec->creg, mqdec->ctreg, mqdec->in, + mqdec->eof, mqdec->inbuffer); + return ret; +} + +/******************************************************************************\ +* Support code. +\******************************************************************************/ + +/* Apply the BYTEIN algorithm. */ +static void jpc_mqdec_bytein(jpc_mqdec_t *mqdec) +{ + int c; + unsigned char prevbuf; + + if (!mqdec->eof) { + if ((c = jas_stream_getc(mqdec->in)) == EOF) { + mqdec->eof = 1; + c = 0xff; + } + prevbuf = mqdec->inbuffer; + mqdec->inbuffer = c; + if (prevbuf == 0xff) { + if (c > 0x8f) { + mqdec->creg += 0xff00; + mqdec->ctreg = 8; + } else { + mqdec->creg += c << 9; + mqdec->ctreg = 7; + } + } else { + mqdec->creg += c << 8; + mqdec->ctreg = 8; + } + } else { + mqdec->creg += 0xff00; + mqdec->ctreg = 8; + } +} + +/******************************************************************************\ +* Code for debugging. +\******************************************************************************/ + +/* Dump a MQ decoder to a stream for debugging. */ + +void jpc_mqdec_dump(jpc_mqdec_t *mqdec, FILE *out) +{ + fprintf(out, "MQDEC A = %08lx, C = %08lx, CT=%08lx, ", + (unsigned long) mqdec->areg, (unsigned long) mqdec->creg, + (unsigned long) mqdec->ctreg); + fprintf(out, "CTX = %d, ", mqdec->curctx - mqdec->ctxs); + fprintf(out, "IND %d, MPS %d, QEVAL %x\n", *mqdec->curctx - + jpc_mqstates, (*mqdec->curctx)->mps, (*mqdec->curctx)->qeval); +} diff --git a/src/libjasper/jpc/jpc_mqdec.h b/src/libjasper/jpc/jpc_mqdec.h new file mode 100644 index 0000000..bac7b51 --- /dev/null +++ b/src/libjasper/jpc/jpc_mqdec.h @@ -0,0 +1,271 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * MQ Arithmetic Decoder + * + * $Id: jpc_mqdec.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_MQDEC_H +#define JPC_MQDEC_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_types.h" +#include "jasper/jas_stream.h" + +#include "jpc_mqcod.h" + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* MQ arithmetic decoder. */ + +typedef struct { + + /* The C register. */ + uint_fast32_t creg; + + /* The A register. */ + uint_fast32_t areg; + + /* The CT register. */ + uint_fast32_t ctreg; + + /* The current context. */ + jpc_mqstate_t **curctx; + + /* The per-context information. */ + jpc_mqstate_t **ctxs; + + /* The maximum number of contexts. */ + int maxctxs; + + /* The stream from which to read data. */ + jas_stream_t *in; + + /* The last character read. */ + uchar inbuffer; + + /* The EOF indicator. */ + int eof; + +} jpc_mqdec_t; + +/******************************************************************************\ +* Functions/macros for construction and destruction. +\******************************************************************************/ + +/* Create a MQ decoder. */ +jpc_mqdec_t *jpc_mqdec_create(int maxctxs, jas_stream_t *in); + +/* Destroy a MQ decoder. */ +void jpc_mqdec_destroy(jpc_mqdec_t *dec); + +/******************************************************************************\ +* Functions/macros for initialization. +\******************************************************************************/ + +/* Set the input stream associated with a MQ decoder. */ +void jpc_mqdec_setinput(jpc_mqdec_t *dec, jas_stream_t *in); + +/* Initialize a MQ decoder. */ +void jpc_mqdec_init(jpc_mqdec_t *dec); + +/******************************************************************************\ +* Functions/macros for manipulating contexts. +\******************************************************************************/ + +/* Set the current context for a MQ decoder. */ +#define jpc_mqdec_setcurctx(dec, ctxno) \ + ((mqdec)->curctx = &(mqdec)->ctxs[ctxno]); + +/* Set the state information for a particular context of a MQ decoder. */ +void jpc_mqdec_setctx(jpc_mqdec_t *dec, int ctxno, jpc_mqctx_t *ctx); + +/* Set the state information for all contexts of a MQ decoder. */ +void jpc_mqdec_setctxs(jpc_mqdec_t *dec, int numctxs, jpc_mqctx_t *ctxs); + +/******************************************************************************\ +* Functions/macros for decoding bits. +\******************************************************************************/ + +/* Decode a symbol. */ +#if !defined(DEBUG) +#define jpc_mqdec_getbit(dec) \ + jpc_mqdec_getbit_macro(dec) +#else +#define jpc_mqdec_getbit(dec) \ + jpc_mqdec_getbit_func(dec) +#endif + +/* Decode a symbol (assuming an unskewed probability distribution). */ +#if !defined(DEBUG) +#define jpc_mqdec_getbitnoskew(dec) \ + jpc_mqdec_getbit_macro(dec) +#else +#define jpc_mqdec_getbitnoskew(dec) \ + jpc_mqdec_getbit_func(dec) +#endif + +/******************************************************************************\ +* Functions/macros for debugging. +\******************************************************************************/ + +/* Dump the MQ decoder state for debugging. */ +void jpc_mqdec_dump(jpc_mqdec_t *dec, FILE *out); + +/******************************************************************************\ +* EVERYTHING BELOW THIS POINT IS IMPLEMENTATION SPECIFIC AND NOT PART OF THE +* APPLICATION INTERFACE. DO NOT RELY ON ANY OF THE INTERNAL FUNCTIONS/MACROS +* GIVEN BELOW. +\******************************************************************************/ + +#define jpc_mqdec_getbit_macro(dec) \ + ((((dec)->areg -= (*(dec)->curctx)->qeval), \ + (dec)->creg >> 16 >= (*(dec)->curctx)->qeval) ? \ + ((((dec)->creg -= (*(dec)->curctx)->qeval << 16), \ + (dec)->areg & 0x8000) ? (*(dec)->curctx)->mps : \ + jpc_mqdec_mpsexchrenormd(dec)) : \ + jpc_mqdec_lpsexchrenormd(dec)) + +#define jpc_mqdec_mpsexchange(areg, delta, curctx, bit) \ +{ \ + if ((areg) < (delta)) { \ + register jpc_mqstate_t *state = *(curctx); \ + /* LPS decoded. */ \ + (bit) = state->mps ^ 1; \ + *(curctx) = state->nlps; \ + } else { \ + register jpc_mqstate_t *state = *(curctx); \ + /* MPS decoded. */ \ + (bit) = state->mps; \ + *(curctx) = state->nmps; \ + } \ +} + +#define jpc_mqdec_lpsexchange(areg, delta, curctx, bit) \ +{ \ + if ((areg) >= (delta)) { \ + register jpc_mqstate_t *state = *(curctx); \ + (areg) = (delta); \ + (bit) = state->mps ^ 1; \ + *(curctx) = state->nlps; \ + } else { \ + register jpc_mqstate_t *state = *(curctx); \ + (areg) = (delta); \ + (bit) = state->mps; \ + *(curctx) = state->nmps; \ + } \ +} + +#define jpc_mqdec_renormd(areg, creg, ctreg, in, eof, inbuf) \ +{ \ + do { \ + if (!(ctreg)) { \ + jpc_mqdec_bytein2(creg, ctreg, in, eof, inbuf); \ + } \ + (areg) <<= 1; \ + (creg) <<= 1; \ + --(ctreg); \ + } while (!((areg) & 0x8000)); \ +} + +#define jpc_mqdec_bytein2(creg, ctreg, in, eof, inbuf) \ +{ \ + int c; \ + unsigned char prevbuf; \ + if (!(eof)) { \ + if ((c = jas_stream_getc(in)) == EOF) { \ + (eof) = 1; \ + c = 0xff; \ + } \ + prevbuf = (inbuf); \ + (inbuf) = c; \ + if (prevbuf == 0xff) { \ + if (c > 0x8f) { \ + (creg) += 0xff00; \ + (ctreg) = 8; \ + } else { \ + (creg) += c << 9; \ + (ctreg) = 7; \ + } \ + } else { \ + (creg) += c << 8; \ + (ctreg) = 8; \ + } \ + } else { \ + (creg) += 0xff00; \ + (ctreg) = 8; \ + } \ +} + +int jpc_mqdec_getbit_func(jpc_mqdec_t *dec); +int jpc_mqdec_mpsexchrenormd(jpc_mqdec_t *dec); +int jpc_mqdec_lpsexchrenormd(jpc_mqdec_t *dec); + +#endif diff --git a/src/libjasper/jpc/jpc_mqenc.c b/src/libjasper/jpc/jpc_mqenc.c new file mode 100644 index 0000000..e3f4bea --- /dev/null +++ b/src/libjasper/jpc/jpc_mqenc.c @@ -0,0 +1,392 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * MQ Arithmetic Encoder + * + * $Id: jpc_mqenc.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <assert.h> +#include <stdlib.h> + +#include "jasper/jas_stream.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_math.h" +#include "jasper/jas_debug.h" + +#include "jpc_mqenc.h" + +/******************************************************************************\ +* Macros +\******************************************************************************/ + +#if defined(DEBUG) +#define JPC_MQENC_CALL(n, x) \ + ((jas_getdbglevel() >= (n)) ? ((void)(x)) : ((void)0)) +#else +#define JPC_MQENC_CALL(n, x) +#endif + +#define jpc_mqenc_codemps9(areg, creg, ctreg, curctx, enc) \ +{ \ + jpc_mqstate_t *state = *(curctx); \ + (areg) -= state->qeval; \ + if (!((areg) & 0x8000)) { \ + if ((areg) < state->qeval) { \ + (areg) = state->qeval; \ + } else { \ + (creg) += state->qeval; \ + } \ + *(curctx) = state->nmps; \ + jpc_mqenc_renorme((areg), (creg), (ctreg), (enc)); \ + } else { \ + (creg) += state->qeval; \ + } \ +} + +#define jpc_mqenc_codelps2(areg, creg, ctreg, curctx, enc) \ +{ \ + jpc_mqstate_t *state = *(curctx); \ + (areg) -= state->qeval; \ + if ((areg) < state->qeval) { \ + (creg) += state->qeval; \ + } else { \ + (areg) = state->qeval; \ + } \ + *(curctx) = state->nlps; \ + jpc_mqenc_renorme((areg), (creg), (ctreg), (enc)); \ +} + +#define jpc_mqenc_renorme(areg, creg, ctreg, enc) \ +{ \ + do { \ + (areg) <<= 1; \ + (creg) <<= 1; \ + if (!--(ctreg)) { \ + jpc_mqenc_byteout((areg), (creg), (ctreg), (enc)); \ + } \ + } while (!((areg) & 0x8000)); \ +} + +#define jpc_mqenc_byteout(areg, creg, ctreg, enc) \ +{ \ + if ((enc)->outbuf != 0xff) { \ + if ((creg) & 0x8000000) { \ + if (++((enc)->outbuf) == 0xff) { \ + (creg) &= 0x7ffffff; \ + jpc_mqenc_byteout2(enc); \ + enc->outbuf = ((creg) >> 20) & 0xff; \ + (creg) &= 0xfffff; \ + (ctreg) = 7; \ + } else { \ + jpc_mqenc_byteout2(enc); \ + enc->outbuf = ((creg) >> 19) & 0xff; \ + (creg) &= 0x7ffff; \ + (ctreg) = 8; \ + } \ + } else { \ + jpc_mqenc_byteout2(enc); \ + (enc)->outbuf = ((creg) >> 19) & 0xff; \ + (creg) &= 0x7ffff; \ + (ctreg) = 8; \ + } \ + } else { \ + jpc_mqenc_byteout2(enc); \ + (enc)->outbuf = ((creg) >> 20) & 0xff; \ + (creg) &= 0xfffff; \ + (ctreg) = 7; \ + } \ +} + +#define jpc_mqenc_byteout2(enc) \ +{ \ + if (enc->outbuf >= 0) { \ + if (jas_stream_putc(enc->out, (unsigned char)enc->outbuf) == EOF) { \ + enc->err |= 1; \ + } \ + } \ + enc->lastbyte = enc->outbuf; \ +} + +/******************************************************************************\ +* Local function protoypes. +\******************************************************************************/ + +static void jpc_mqenc_setbits(jpc_mqenc_t *mqenc); + +/******************************************************************************\ +* Code for creation and destruction of encoder. +\******************************************************************************/ + +/* Create a MQ encoder. */ + +jpc_mqenc_t *jpc_mqenc_create(int maxctxs, jas_stream_t *out) +{ + jpc_mqenc_t *mqenc; + + /* Allocate memory for the MQ encoder. */ + if (!(mqenc = jas_malloc(sizeof(jpc_mqenc_t)))) { + goto error; + } + mqenc->out = out; + mqenc->maxctxs = maxctxs; + + /* Allocate memory for the per-context state information. */ + if (!(mqenc->ctxs = jas_malloc(mqenc->maxctxs * sizeof(jpc_mqstate_t *)))) { + goto error; + } + + /* Set the current context to the first one. */ + mqenc->curctx = mqenc->ctxs; + + jpc_mqenc_init(mqenc); + + /* Initialize the per-context state information to something sane. */ + jpc_mqenc_setctxs(mqenc, 0, 0); + + return mqenc; + +error: + if (mqenc) { + jpc_mqenc_destroy(mqenc); + } + return 0; +} + +/* Destroy a MQ encoder. */ + +void jpc_mqenc_destroy(jpc_mqenc_t *mqenc) +{ + if (mqenc->ctxs) { + jas_free(mqenc->ctxs); + } + jas_free(mqenc); +} + +/******************************************************************************\ +* State initialization code. +\******************************************************************************/ + +/* Initialize the coding state of a MQ encoder. */ + +void jpc_mqenc_init(jpc_mqenc_t *mqenc) +{ + mqenc->areg = 0x8000; + mqenc->outbuf = -1; + mqenc->creg = 0; + mqenc->ctreg = 12; + mqenc->lastbyte = -1; + mqenc->err = 0; +} + +/* Initialize one or more contexts. */ + +void jpc_mqenc_setctxs(jpc_mqenc_t *mqenc, int numctxs, jpc_mqctx_t *ctxs) +{ + jpc_mqstate_t **ctx; + int n; + + ctx = mqenc->ctxs; + n = JAS_MIN(mqenc->maxctxs, numctxs); + while (--n >= 0) { + *ctx = &jpc_mqstates[2 * ctxs->ind + ctxs->mps]; + ++ctx; + ++ctxs; + } + n = mqenc->maxctxs - numctxs; + while (--n >= 0) { + *ctx = &jpc_mqstates[0]; + ++ctx; + } + +} + +/* Get the coding state for a MQ encoder. */ + +void jpc_mqenc_getstate(jpc_mqenc_t *mqenc, jpc_mqencstate_t *state) +{ + state->areg = mqenc->areg; + state->creg = mqenc->creg; + state->ctreg = mqenc->ctreg; + state->lastbyte = mqenc->lastbyte; +} + +/******************************************************************************\ +* Code for coding symbols. +\******************************************************************************/ + +/* Encode a bit. */ + +int jpc_mqenc_putbit_func(jpc_mqenc_t *mqenc, int bit) +{ + const jpc_mqstate_t *state; + JAS_DBGLOG(100, ("jpc_mqenc_putbit(%p, %d)\n", mqenc, bit)); + JPC_MQENC_CALL(100, jpc_mqenc_dump(mqenc, stderr)); + + state = *(mqenc->curctx); + + if (state->mps == bit) { + /* Apply the CODEMPS algorithm as defined in the standard. */ + mqenc->areg -= state->qeval; + if (!(mqenc->areg & 0x8000)) { + jpc_mqenc_codemps2(mqenc); + } else { + mqenc->creg += state->qeval; + } + } else { + /* Apply the CODELPS algorithm as defined in the standard. */ + jpc_mqenc_codelps2(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc->curctx, mqenc); + } + + return jpc_mqenc_error(mqenc) ? (-1) : 0; +} + +int jpc_mqenc_codemps2(jpc_mqenc_t *mqenc) +{ + /* Note: This function only performs part of the work associated with + the CODEMPS algorithm from the standard. Some of the work is also + performed by the caller. */ + + jpc_mqstate_t *state = *(mqenc->curctx); + if (mqenc->areg < state->qeval) { + mqenc->areg = state->qeval; + } else { + mqenc->creg += state->qeval; + } + *mqenc->curctx = state->nmps; + jpc_mqenc_renorme(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); + return jpc_mqenc_error(mqenc) ? (-1) : 0; +} + +int jpc_mqenc_codelps(jpc_mqenc_t *mqenc) +{ + jpc_mqenc_codelps2(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc->curctx, mqenc); + return jpc_mqenc_error(mqenc) ? (-1) : 0; +} + +/******************************************************************************\ +* Miscellaneous code. +\******************************************************************************/ + +/* Terminate the code word. */ + +int jpc_mqenc_flush(jpc_mqenc_t *mqenc, int termmode) +{ + int_fast16_t k; + + switch (termmode) { + case JPC_MQENC_PTERM: + k = 11 - mqenc->ctreg + 1; + while (k > 0) { + mqenc->creg <<= mqenc->ctreg; + mqenc->ctreg = 0; + jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, + mqenc); + k -= mqenc->ctreg; + } + if (mqenc->outbuf != 0xff) { + jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); + } + break; + case JPC_MQENC_DEFTERM: + jpc_mqenc_setbits(mqenc); + mqenc->creg <<= mqenc->ctreg; + jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); + mqenc->creg <<= mqenc->ctreg; + jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); + if (mqenc->outbuf != 0xff) { + jpc_mqenc_byteout(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc); + } + break; + default: + abort(); + break; + } + return 0; +} + +static void jpc_mqenc_setbits(jpc_mqenc_t *mqenc) +{ + uint_fast32_t tmp = mqenc->creg + mqenc->areg; + mqenc->creg |= 0xffff; + if (mqenc->creg >= tmp) { + mqenc->creg -= 0x8000; + } +} + +/* Dump a MQ encoder to a stream for debugging. */ + +int jpc_mqenc_dump(jpc_mqenc_t *mqenc, FILE *out) +{ + fprintf(out, "AREG = %08x, CREG = %08x, CTREG = %d\n", + mqenc->areg, mqenc->creg, mqenc->ctreg); + fprintf(out, "IND = %02d, MPS = %d, QEVAL = %04x\n", + *mqenc->curctx - jpc_mqstates, (*mqenc->curctx)->mps, + (*mqenc->curctx)->qeval); + return 0; +} diff --git a/src/libjasper/jpc/jpc_mqenc.h b/src/libjasper/jpc/jpc_mqenc.h new file mode 100644 index 0000000..248ed43 --- /dev/null +++ b/src/libjasper/jpc/jpc_mqenc.h @@ -0,0 +1,236 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * MQ Arithmetic Encoder + * + * $Id: jpc_mqenc.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_MQENC_H +#define JPC_MQENC_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_types.h" +#include "jasper/jas_stream.h" + +#include "jpc_mqcod.h" + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* + * Termination modes. + */ + +#define JPC_MQENC_DEFTERM 0 /* default termination */ +#define JPC_MQENC_PTERM 1 /* predictable termination */ + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* MQ arithmetic encoder class. */ + +typedef struct { + + /* The C register. */ + uint_fast32_t creg; + + /* The A register. */ + uint_fast32_t areg; + + /* The CT register. */ + uint_fast32_t ctreg; + + /* The maximum number of contexts. */ + int maxctxs; + + /* The per-context information. */ + jpc_mqstate_t **ctxs; + + /* The current context. */ + jpc_mqstate_t **curctx; + + /* The stream for encoder output. */ + jas_stream_t *out; + + /* The byte buffer (i.e., the B variable in the standard). */ + int_fast16_t outbuf; + + /* The last byte output. */ + int_fast16_t lastbyte; + + /* The error indicator. */ + int err; + +} jpc_mqenc_t; + +/* MQ arithmetic encoder state information. */ + +typedef struct { + + /* The A register. */ + unsigned areg; + + /* The C register. */ + unsigned creg; + + /* The CT register. */ + unsigned ctreg; + + /* The last byte output by the encoder. */ + int lastbyte; + +} jpc_mqencstate_t; + +/******************************************************************************\ +* Functions/macros for construction and destruction. +\******************************************************************************/ + +/* Create a MQ encoder. */ +jpc_mqenc_t *jpc_mqenc_create(int maxctxs, jas_stream_t *out); + +/* Destroy a MQ encoder. */ +void jpc_mqenc_destroy(jpc_mqenc_t *enc); + +/******************************************************************************\ +* Functions/macros for initialization. +\******************************************************************************/ + +/* Initialize a MQ encoder. */ +void jpc_mqenc_init(jpc_mqenc_t *enc); + +/******************************************************************************\ +* Functions/macros for context manipulation. +\******************************************************************************/ + +/* Set the current context. */ +#define jpc_mqenc_setcurctx(enc, ctxno) \ + ((enc)->curctx = &(enc)->ctxs[ctxno]); + +/* Set the state information for a particular context. */ +void jpc_mqenc_setctx(jpc_mqenc_t *enc, int ctxno, jpc_mqctx_t *ctx); + +/* Set the state information for multiple contexts. */ +void jpc_mqenc_setctxs(jpc_mqenc_t *enc, int numctxs, jpc_mqctx_t *ctxs); + +/******************************************************************************\ +* Miscellaneous functions/macros. +\******************************************************************************/ + +/* Get the error state of a MQ encoder. */ +#define jpc_mqenc_error(enc) \ + ((enc)->err) + +/* Get the current encoder state. */ +void jpc_mqenc_getstate(jpc_mqenc_t *enc, jpc_mqencstate_t *state); + +/* Terminate the code. */ +int jpc_mqenc_flush(jpc_mqenc_t *enc, int termmode); + +/******************************************************************************\ +* Functions/macros for encoding bits. +\******************************************************************************/ + +/* Encode a bit. */ +#if !defined(DEBUG) +#define jpc_mqenc_putbit(enc, bit) jpc_mqenc_putbit_macro(enc, bit) +#else +#define jpc_mqenc_putbit(enc, bit) jpc_mqenc_putbit_func(enc, bit) +#endif + +/******************************************************************************\ +* Functions/macros for debugging. +\******************************************************************************/ + +int jpc_mqenc_dump(jpc_mqenc_t *mqenc, FILE *out); + +/******************************************************************************\ +* Implementation-specific details. +\******************************************************************************/ + +/* Note: This macro is included only to satisfy the needs of + the mqenc_putbit macro. */ +#define jpc_mqenc_putbit_macro(enc, bit) \ + (((*((enc)->curctx))->mps == (bit)) ? \ + (((enc)->areg -= (*(enc)->curctx)->qeval), \ + ((!((enc)->areg & 0x8000)) ? (jpc_mqenc_codemps2(enc)) : \ + ((enc)->creg += (*(enc)->curctx)->qeval))) : \ + jpc_mqenc_codelps(enc)) + +/* Note: These function prototypes are included only to satisfy the + needs of the mqenc_putbit_macro macro. Do not call any of these + functions directly. */ +int jpc_mqenc_codemps2(jpc_mqenc_t *enc); +int jpc_mqenc_codelps(jpc_mqenc_t *enc); + +/* Note: This function prototype is included only to satisfy the needs of + the mqenc_putbit macro. */ +int jpc_mqenc_putbit_func(jpc_mqenc_t *enc, int bit); + +#endif diff --git a/src/libjasper/jpc/jpc_qmfb.c b/src/libjasper/jpc/jpc_qmfb.c new file mode 100644 index 0000000..75b8566 --- /dev/null +++ b/src/libjasper/jpc/jpc_qmfb.c @@ -0,0 +1,3152 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Quadrature Mirror-Image Filter Bank (QMFB) Library + * + * $Id: jpc_qmfb.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* +\******************************************************************************/ + +#undef WT_LENONE /* This is not needed due to normalization. */ +#define WT_DOSCALE + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <assert.h> +#include "jasper/jas_fix.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_math.h" + +#include "jpc_qmfb.h" +#include "jpc_tsfb.h" +#include "jpc_math.h" + +/******************************************************************************\ +* +\******************************************************************************/ + +#define QMFB_SPLITBUFSIZE 4096 +#define QMFB_JOINBUFSIZE 4096 + +int jpc_ft_analyze(jpc_fix_t *a, int xstart, int ystart, int width, int height, + int stride); +int jpc_ft_synthesize(int *a, int xstart, int ystart, int width, int height, + int stride); + +int jpc_ns_analyze(jpc_fix_t *a, int xstart, int ystart, int width, int height, + int stride); +int jpc_ns_synthesize(jpc_fix_t *a, int xstart, int ystart, int width, + int height, int stride); + +void jpc_ft_fwdlift_row(jpc_fix_t *a, int numcols, int parity); +void jpc_ft_fwdlift_col(jpc_fix_t *a, int numrows, int stride, + int parity); +void jpc_ft_fwdlift_colgrp(jpc_fix_t *a, int numrows, int stride, + int parity); +void jpc_ft_fwdlift_colres(jpc_fix_t *a, int numrows, int numcols, + int stride, int parity); + +void jpc_ft_invlift_row(jpc_fix_t *a, int numcols, int parity); +void jpc_ft_invlift_col(jpc_fix_t *a, int numrows, int stride, + int parity); +void jpc_ft_invlift_colgrp(jpc_fix_t *a, int numrows, int stride, + int parity); +void jpc_ft_invlift_colres(jpc_fix_t *a, int numrows, int numcols, + int stride, int parity); + +void jpc_ns_fwdlift_row(jpc_fix_t *a, int numcols, int parity); +void jpc_ns_fwdlift_colgrp(jpc_fix_t *a, int numrows, int stride, int parity); +void jpc_ns_fwdlift_colres(jpc_fix_t *a, int numrows, int numcols, int stride, + int parity); +void jpc_ns_invlift_row(jpc_fix_t *a, int numcols, int parity); +void jpc_ns_invlift_colgrp(jpc_fix_t *a, int numrows, int stride, int parity); +void jpc_ns_invlift_colres(jpc_fix_t *a, int numrows, int numcols, int stride, + int parity); + +void jpc_qmfb_split_row(jpc_fix_t *a, int numcols, int parity); +void jpc_qmfb_split_col(jpc_fix_t *a, int numrows, int stride, int parity); +void jpc_qmfb_split_colgrp(jpc_fix_t *a, int numrows, int stride, int parity); +void jpc_qmfb_split_colres(jpc_fix_t *a, int numrows, int numcols, int stride, + int parity); + +void jpc_qmfb_join_row(jpc_fix_t *a, int numcols, int parity); +void jpc_qmfb_join_col(jpc_fix_t *a, int numrows, int stride, int parity); +void jpc_qmfb_join_colgrp(jpc_fix_t *a, int numrows, int stride, int parity); +void jpc_qmfb_join_colres(jpc_fix_t *a, int numrows, int numcols, int stride, + int parity); + +double jpc_ft_lpenergywts[32] = { + 1.2247448713915889, + 1.6583123951776999, + 2.3184046238739260, + 3.2691742076555053, + 4.6199296531440819, + 6.5323713152269596, + 9.2377452606141937, + 13.0639951297449581, + 18.4752262333915667, + 26.1278968190610392, + 36.9504194305524791, + 52.2557819580462777, + 73.9008347315741645, + 104.5115624560829133, + 147.8016689469569656, + 209.0231247296646018, + 295.6033378293900000, + 418.0462494347059419, + 591.2066756503630813, + 836.0924988714708661, + /* approximations */ + 836.0924988714708661, + 836.0924988714708661, + 836.0924988714708661, + 836.0924988714708661, + 836.0924988714708661, + 836.0924988714708661, + 836.0924988714708661, + 836.0924988714708661, + 836.0924988714708661, + 836.0924988714708661, + 836.0924988714708661, + 836.0924988714708661 +}; + +double jpc_ft_hpenergywts[32] = { + 0.8477912478906585, + 0.9601432184835760, + 1.2593401049756179, + 1.7444107171191079, + 2.4538713036750726, + 3.4656517695088755, + 4.8995276398597856, + 6.9283970402160842, + 9.7980274940131444, + 13.8564306871112652, + 19.5959265076535587, + 27.7128159494245487, + 39.1918369552045860, + 55.4256262207444053, + 78.3836719028959124, + 110.8512517317256822, + 156.7673435548526868, + 221.7025033739244293, + 313.5346870787551552, + 443.4050067351659550, + /* approximations */ + 443.4050067351659550, + 443.4050067351659550, + 443.4050067351659550, + 443.4050067351659550, + 443.4050067351659550, + 443.4050067351659550, + 443.4050067351659550, + 443.4050067351659550, + 443.4050067351659550, + 443.4050067351659550, + 443.4050067351659550, + 443.4050067351659550 +}; + +double jpc_ns_lpenergywts[32] = { + 1.4021081679297411, + 2.0303718560817923, + 2.9011625562785555, + 4.1152851751758002, + 5.8245108637728071, + 8.2387599345725171, + 11.6519546479210838, + 16.4785606470644375, + 23.3042776444606794, + 32.9572515613740435, + 46.6086013487782793, + 65.9145194076860861, + 93.2172084551803977, + 131.8290408510004283, + 186.4344176300625691, + 263.6580819564562148, + 372.8688353500955373, + 527.3161639447193920, + 745.7376707114038936, + 1054.6323278917823245, + /* approximations follow */ + 1054.6323278917823245, + 1054.6323278917823245, + 1054.6323278917823245, + 1054.6323278917823245, + 1054.6323278917823245, + 1054.6323278917823245, + 1054.6323278917823245, + 1054.6323278917823245, + 1054.6323278917823245, + 1054.6323278917823245, + 1054.6323278917823245, + 1054.6323278917823245 +}; + +double jpc_ns_hpenergywts[32] = { + 1.4425227650161456, + 1.9669426082455688, + 2.8839248082788891, + 4.1475208393432981, + 5.8946497530677817, + 8.3471789178590949, + 11.8086046551047463, + 16.7012780415647804, + 23.6196657032246620, + 33.4034255108592362, + 47.2396388881632632, + 66.8069597416714061, + 94.4793162154500692, + 133.6139330736999113, + 188.9586372358249378, + 267.2278678461869390, + 377.9172750722391356, + 534.4557359047058753, + 755.8345502191498326, + 1068.9114718353569060, + /* approximations follow */ + 1068.9114718353569060, + 1068.9114718353569060, + 1068.9114718353569060, + 1068.9114718353569060, + 1068.9114718353569060, + 1068.9114718353569060, + 1068.9114718353569060, + 1068.9114718353569060, + 1068.9114718353569060, + 1068.9114718353569060, + 1068.9114718353569060 +}; + +jpc_qmfb2d_t jpc_ft_qmfb2d = { + jpc_ft_analyze, + jpc_ft_synthesize, + jpc_ft_lpenergywts, + jpc_ft_hpenergywts +}; + +jpc_qmfb2d_t jpc_ns_qmfb2d = { + jpc_ns_analyze, + jpc_ns_synthesize, + jpc_ns_lpenergywts, + jpc_ns_hpenergywts +}; + +/******************************************************************************\ +* generic +\******************************************************************************/ + +void jpc_qmfb_split_row(jpc_fix_t *a, int numcols, int parity) +{ + + int bufsize = JPC_CEILDIVPOW2(numcols, 1); +#if !defined(HAVE_VLA) + jpc_fix_t splitbuf[QMFB_SPLITBUFSIZE]; +#else + jpc_fix_t splitbuf[bufsize]; +#endif + jpc_fix_t *buf = splitbuf; + register jpc_fix_t *srcptr; + register jpc_fix_t *dstptr; + register int n; + register int m; + int hstartcol; + +#if !defined(HAVE_VLA) + /* Get a buffer. */ + if (bufsize > QMFB_SPLITBUFSIZE) { + if (!(buf = jas_malloc(bufsize * sizeof(jpc_fix_t)))) { + /* We have no choice but to commit suicide in this case. */ + abort(); + } + } +#endif + + if (numcols >= 2) { + hstartcol = (numcols + 1 - parity) >> 1; + m = (parity) ? hstartcol : (numcols - hstartcol); + /* Save the samples destined for the highpass channel. */ + n = m; + dstptr = buf; + srcptr = &a[1 - parity]; + while (n-- > 0) { + *dstptr = *srcptr; + ++dstptr; + srcptr += 2; + } + /* Copy the appropriate samples into the lowpass channel. */ + dstptr = &a[1 - parity]; + srcptr = &a[2 - parity]; + n = numcols - m - (!parity); + while (n-- > 0) { + *dstptr = *srcptr; + ++dstptr; + srcptr += 2; + } + /* Copy the saved samples into the highpass channel. */ + dstptr = &a[hstartcol]; + srcptr = buf; + n = m; + while (n-- > 0) { + *dstptr = *srcptr; + ++dstptr; + ++srcptr; + } + } + +#if !defined(HAVE_VLA) + /* If the split buffer was allocated on the heap, free this memory. */ + if (buf != splitbuf) { + jas_free(buf); + } +#endif + +} + +void jpc_qmfb_split_col(jpc_fix_t *a, int numrows, int stride, + int parity) +{ + + int bufsize = JPC_CEILDIVPOW2(numrows, 1); +#if !defined(HAVE_VLA) + jpc_fix_t splitbuf[QMFB_SPLITBUFSIZE]; +#else + jpc_fix_t splitbuf[bufsize]; +#endif + jpc_fix_t *buf = splitbuf; + register jpc_fix_t *srcptr; + register jpc_fix_t *dstptr; + register int n; + register int m; + int hstartcol; + +#if !defined(HAVE_VLA) + /* Get a buffer. */ + if (bufsize > QMFB_SPLITBUFSIZE) { + if (!(buf = jas_malloc(bufsize * sizeof(jpc_fix_t)))) { + /* We have no choice but to commit suicide in this case. */ + abort(); + } + } +#endif + + if (numrows >= 2) { + hstartcol = (numrows + 1 - parity) >> 1; + m = (parity) ? hstartcol : (numrows - hstartcol); + /* Save the samples destined for the highpass channel. */ + n = m; + dstptr = buf; + srcptr = &a[(1 - parity) * stride]; + while (n-- > 0) { + *dstptr = *srcptr; + ++dstptr; + srcptr += stride << 1; + } + /* Copy the appropriate samples into the lowpass channel. */ + dstptr = &a[(1 - parity) * stride]; + srcptr = &a[(2 - parity) * stride]; + n = numrows - m - (!parity); + while (n-- > 0) { + *dstptr = *srcptr; + dstptr += stride; + srcptr += stride << 1; + } + /* Copy the saved samples into the highpass channel. */ + dstptr = &a[hstartcol * stride]; + srcptr = buf; + n = m; + while (n-- > 0) { + *dstptr = *srcptr; + dstptr += stride; + ++srcptr; + } + } + +#if !defined(HAVE_VLA) + /* If the split buffer was allocated on the heap, free this memory. */ + if (buf != splitbuf) { + jas_free(buf); + } +#endif + +} + +void jpc_qmfb_split_colgrp(jpc_fix_t *a, int numrows, int stride, + int parity) +{ + + int bufsize = JPC_CEILDIVPOW2(numrows, 1); +#if !defined(HAVE_VLA) + jpc_fix_t splitbuf[QMFB_SPLITBUFSIZE * JPC_QMFB_COLGRPSIZE]; +#else + jpc_fix_t splitbuf[bufsize * JPC_QMFB_COLGRPSIZE]; +#endif + jpc_fix_t *buf = splitbuf; + jpc_fix_t *srcptr; + jpc_fix_t *dstptr; + register jpc_fix_t *srcptr2; + register jpc_fix_t *dstptr2; + register int n; + register int i; + int m; + int hstartcol; + +#if !defined(HAVE_VLA) + /* Get a buffer. */ + if (bufsize > QMFB_SPLITBUFSIZE) { + if (!(buf = jas_malloc(bufsize * sizeof(jpc_fix_t)))) { + /* We have no choice but to commit suicide in this case. */ + abort(); + } + } +#endif + + if (numrows >= 2) { + hstartcol = (numrows + 1 - parity) >> 1; + m = (parity) ? hstartcol : (numrows - hstartcol); + /* Save the samples destined for the highpass channel. */ + n = m; + dstptr = buf; + srcptr = &a[(1 - parity) * stride]; + while (n-- > 0) { + dstptr2 = dstptr; + srcptr2 = srcptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + *dstptr2 = *srcptr2; + ++dstptr2; + ++srcptr2; + } + dstptr += JPC_QMFB_COLGRPSIZE; + srcptr += stride << 1; + } + /* Copy the appropriate samples into the lowpass channel. */ + dstptr = &a[(1 - parity) * stride]; + srcptr = &a[(2 - parity) * stride]; + n = numrows - m - (!parity); + while (n-- > 0) { + dstptr2 = dstptr; + srcptr2 = srcptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + *dstptr2 = *srcptr2; + ++dstptr2; + ++srcptr2; + } + dstptr += stride; + srcptr += stride << 1; + } + /* Copy the saved samples into the highpass channel. */ + dstptr = &a[hstartcol * stride]; + srcptr = buf; + n = m; + while (n-- > 0) { + dstptr2 = dstptr; + srcptr2 = srcptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + *dstptr2 = *srcptr2; + ++dstptr2; + ++srcptr2; + } + dstptr += stride; + srcptr += JPC_QMFB_COLGRPSIZE; + } + } + +#if !defined(HAVE_VLA) + /* If the split buffer was allocated on the heap, free this memory. */ + if (buf != splitbuf) { + jas_free(buf); + } +#endif + +} + +void jpc_qmfb_split_colres(jpc_fix_t *a, int numrows, int numcols, + int stride, int parity) +{ + + int bufsize = JPC_CEILDIVPOW2(numrows, 1); +#if !defined(HAVE_VLA) + jpc_fix_t splitbuf[QMFB_SPLITBUFSIZE * JPC_QMFB_COLGRPSIZE]; +#else + jpc_fix_t splitbuf[bufsize * numcols]; +#endif + jpc_fix_t *buf = splitbuf; + jpc_fix_t *srcptr; + jpc_fix_t *dstptr; + register jpc_fix_t *srcptr2; + register jpc_fix_t *dstptr2; + register int n; + register int i; + int m; + int hstartcol; + +#if !defined(HAVE_VLA) + /* Get a buffer. */ + if (bufsize > QMFB_SPLITBUFSIZE) { + if (!(buf = jas_malloc(bufsize * sizeof(jpc_fix_t)))) { + /* We have no choice but to commit suicide in this case. */ + abort(); + } + } +#endif + + if (numrows >= 2) { + hstartcol = (numrows + 1 - parity) >> 1; + m = (parity) ? hstartcol : (numrows - hstartcol); + /* Save the samples destined for the highpass channel. */ + n = m; + dstptr = buf; + srcptr = &a[(1 - parity) * stride]; + while (n-- > 0) { + dstptr2 = dstptr; + srcptr2 = srcptr; + for (i = 0; i < numcols; ++i) { + *dstptr2 = *srcptr2; + ++dstptr2; + ++srcptr2; + } + dstptr += numcols; + srcptr += stride << 1; + } + /* Copy the appropriate samples into the lowpass channel. */ + dstptr = &a[(1 - parity) * stride]; + srcptr = &a[(2 - parity) * stride]; + n = numrows - m - (!parity); + while (n-- > 0) { + dstptr2 = dstptr; + srcptr2 = srcptr; + for (i = 0; i < numcols; ++i) { + *dstptr2 = *srcptr2; + ++dstptr2; + ++srcptr2; + } + dstptr += stride; + srcptr += stride << 1; + } + /* Copy the saved samples into the highpass channel. */ + dstptr = &a[hstartcol * stride]; + srcptr = buf; + n = m; + while (n-- > 0) { + dstptr2 = dstptr; + srcptr2 = srcptr; + for (i = 0; i < numcols; ++i) { + *dstptr2 = *srcptr2; + ++dstptr2; + ++srcptr2; + } + dstptr += stride; + srcptr += numcols; + } + } + +#if !defined(HAVE_VLA) + /* If the split buffer was allocated on the heap, free this memory. */ + if (buf != splitbuf) { + jas_free(buf); + } +#endif + +} + +void jpc_qmfb_join_row(jpc_fix_t *a, int numcols, int parity) +{ + + int bufsize = JPC_CEILDIVPOW2(numcols, 1); +#if !defined(HAVE_VLA) + jpc_fix_t joinbuf[QMFB_JOINBUFSIZE]; +#else + jpc_fix_t joinbuf[bufsize]; +#endif + jpc_fix_t *buf = joinbuf; + register jpc_fix_t *srcptr; + register jpc_fix_t *dstptr; + register int n; + int hstartcol; + +#if !defined(HAVE_VLA) + /* Allocate memory for the join buffer from the heap. */ + if (bufsize > QMFB_JOINBUFSIZE) { + if (!(buf = jas_malloc(bufsize * sizeof(jpc_fix_t)))) { + /* We have no choice but to commit suicide. */ + abort(); + } + } +#endif + + hstartcol = (numcols + 1 - parity) >> 1; + + /* Save the samples from the lowpass channel. */ + n = hstartcol; + srcptr = &a[0]; + dstptr = buf; + while (n-- > 0) { + *dstptr = *srcptr; + ++srcptr; + ++dstptr; + } + /* Copy the samples from the highpass channel into place. */ + srcptr = &a[hstartcol]; + dstptr = &a[1 - parity]; + n = numcols - hstartcol; + while (n-- > 0) { + *dstptr = *srcptr; + dstptr += 2; + ++srcptr; + } + /* Copy the samples from the lowpass channel into place. */ + srcptr = buf; + dstptr = &a[parity]; + n = hstartcol; + while (n-- > 0) { + *dstptr = *srcptr; + dstptr += 2; + ++srcptr; + } + +#if !defined(HAVE_VLA) + /* If the join buffer was allocated on the heap, free this memory. */ + if (buf != joinbuf) { + jas_free(buf); + } +#endif + +} + +void jpc_qmfb_join_col(jpc_fix_t *a, int numrows, int stride, + int parity) +{ + + int bufsize = JPC_CEILDIVPOW2(numrows, 1); +#if !defined(HAVE_VLA) + jpc_fix_t joinbuf[QMFB_JOINBUFSIZE]; +#else + jpc_fix_t joinbuf[bufsize]; +#endif + jpc_fix_t *buf = joinbuf; + register jpc_fix_t *srcptr; + register jpc_fix_t *dstptr; + register int n; + int hstartcol; + +#if !defined(HAVE_VLA) + /* Allocate memory for the join buffer from the heap. */ + if (bufsize > QMFB_JOINBUFSIZE) { + if (!(buf = jas_malloc(bufsize * sizeof(jpc_fix_t)))) { + /* We have no choice but to commit suicide. */ + abort(); + } + } +#endif + + hstartcol = (numrows + 1 - parity) >> 1; + + /* Save the samples from the lowpass channel. */ + n = hstartcol; + srcptr = &a[0]; + dstptr = buf; + while (n-- > 0) { + *dstptr = *srcptr; + srcptr += stride; + ++dstptr; + } + /* Copy the samples from the highpass channel into place. */ + srcptr = &a[hstartcol * stride]; + dstptr = &a[(1 - parity) * stride]; + n = numrows - hstartcol; + while (n-- > 0) { + *dstptr = *srcptr; + dstptr += 2 * stride; + srcptr += stride; + } + /* Copy the samples from the lowpass channel into place. */ + srcptr = buf; + dstptr = &a[parity * stride]; + n = hstartcol; + while (n-- > 0) { + *dstptr = *srcptr; + dstptr += 2 * stride; + ++srcptr; + } + +#if !defined(HAVE_VLA) + /* If the join buffer was allocated on the heap, free this memory. */ + if (buf != joinbuf) { + jas_free(buf); + } +#endif + +} + +void jpc_qmfb_join_colgrp(jpc_fix_t *a, int numrows, int stride, + int parity) +{ + + int bufsize = JPC_CEILDIVPOW2(numrows, 1); +#if !defined(HAVE_VLA) + jpc_fix_t joinbuf[QMFB_JOINBUFSIZE * JPC_QMFB_COLGRPSIZE]; +#else + jpc_fix_t joinbuf[bufsize * JPC_QMFB_COLGRPSIZE]; +#endif + jpc_fix_t *buf = joinbuf; + jpc_fix_t *srcptr; + jpc_fix_t *dstptr; + register jpc_fix_t *srcptr2; + register jpc_fix_t *dstptr2; + register int n; + register int i; + int hstartcol; + +#if !defined(HAVE_VLA) + /* Allocate memory for the join buffer from the heap. */ + if (bufsize > QMFB_JOINBUFSIZE) { + if (!(buf = jas_malloc(bufsize * JPC_QMFB_COLGRPSIZE * sizeof(jpc_fix_t)))) { + /* We have no choice but to commit suicide. */ + abort(); + } + } +#endif + + hstartcol = (numrows + 1 - parity) >> 1; + + /* Save the samples from the lowpass channel. */ + n = hstartcol; + srcptr = &a[0]; + dstptr = buf; + while (n-- > 0) { + dstptr2 = dstptr; + srcptr2 = srcptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + *dstptr2 = *srcptr2; + ++dstptr2; + ++srcptr2; + } + srcptr += stride; + dstptr += JPC_QMFB_COLGRPSIZE; + } + /* Copy the samples from the highpass channel into place. */ + srcptr = &a[hstartcol * stride]; + dstptr = &a[(1 - parity) * stride]; + n = numrows - hstartcol; + while (n-- > 0) { + dstptr2 = dstptr; + srcptr2 = srcptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + *dstptr2 = *srcptr2; + ++dstptr2; + ++srcptr2; + } + dstptr += 2 * stride; + srcptr += stride; + } + /* Copy the samples from the lowpass channel into place. */ + srcptr = buf; + dstptr = &a[parity * stride]; + n = hstartcol; + while (n-- > 0) { + dstptr2 = dstptr; + srcptr2 = srcptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + *dstptr2 = *srcptr2; + ++dstptr2; + ++srcptr2; + } + dstptr += 2 * stride; + srcptr += JPC_QMFB_COLGRPSIZE; + } + +#if !defined(HAVE_VLA) + /* If the join buffer was allocated on the heap, free this memory. */ + if (buf != joinbuf) { + jas_free(buf); + } +#endif + +} + +void jpc_qmfb_join_colres(jpc_fix_t *a, int numrows, int numcols, + int stride, int parity) +{ + + int bufsize = JPC_CEILDIVPOW2(numrows, 1); +#if !defined(HAVE_VLA) + jpc_fix_t joinbuf[QMFB_JOINBUFSIZE * JPC_QMFB_COLGRPSIZE]; +#else + jpc_fix_t joinbuf[bufsize * numcols]; +#endif + jpc_fix_t *buf = joinbuf; + jpc_fix_t *srcptr; + jpc_fix_t *dstptr; + register jpc_fix_t *srcptr2; + register jpc_fix_t *dstptr2; + register int n; + register int i; + int hstartcol; + +#if !defined(HAVE_VLA) + /* Allocate memory for the join buffer from the heap. */ + if (bufsize > QMFB_JOINBUFSIZE) { + if (!(buf = jas_malloc(bufsize * numcols * sizeof(jpc_fix_t)))) { + /* We have no choice but to commit suicide. */ + abort(); + } + } +#endif + + hstartcol = (numrows + 1 - parity) >> 1; + + /* Save the samples from the lowpass channel. */ + n = hstartcol; + srcptr = &a[0]; + dstptr = buf; + while (n-- > 0) { + dstptr2 = dstptr; + srcptr2 = srcptr; + for (i = 0; i < numcols; ++i) { + *dstptr2 = *srcptr2; + ++dstptr2; + ++srcptr2; + } + srcptr += stride; + dstptr += numcols; + } + /* Copy the samples from the highpass channel into place. */ + srcptr = &a[hstartcol * stride]; + dstptr = &a[(1 - parity) * stride]; + n = numrows - hstartcol; + while (n-- > 0) { + dstptr2 = dstptr; + srcptr2 = srcptr; + for (i = 0; i < numcols; ++i) { + *dstptr2 = *srcptr2; + ++dstptr2; + ++srcptr2; + } + dstptr += 2 * stride; + srcptr += stride; + } + /* Copy the samples from the lowpass channel into place. */ + srcptr = buf; + dstptr = &a[parity * stride]; + n = hstartcol; + while (n-- > 0) { + dstptr2 = dstptr; + srcptr2 = srcptr; + for (i = 0; i < numcols; ++i) { + *dstptr2 = *srcptr2; + ++dstptr2; + ++srcptr2; + } + dstptr += 2 * stride; + srcptr += numcols; + } + +#if !defined(HAVE_VLA) + /* If the join buffer was allocated on the heap, free this memory. */ + if (buf != joinbuf) { + jas_free(buf); + } +#endif + +} + +/******************************************************************************\ +* 5/3 transform +\******************************************************************************/ + +void jpc_ft_fwdlift_row(jpc_fix_t *a, int numcols, int parity) +{ + + register jpc_fix_t *lptr; + register jpc_fix_t *hptr; + register int n; + int llen; + + llen = (numcols + 1 - parity) >> 1; + + if (numcols > 1) { + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen]; + if (parity) { + hptr[0] -= lptr[0]; + ++hptr; + } + n = numcols - llen - parity - (parity == (numcols & 1)); + while (n-- > 0) { + hptr[0] -= (lptr[0] + lptr[1]) >> 1; + ++hptr; + ++lptr; + } + if (parity == (numcols & 1)) { + hptr[0] -= lptr[0]; + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen]; + if (!parity) { + lptr[0] += (hptr[0] + 1) >> 1; + ++lptr; + } + n = llen - (!parity) - (parity != (numcols & 1)); + while (n-- > 0) { + lptr[0] += (hptr[0] + hptr[1] + 2) >> 2; + ++lptr; + ++hptr; + } + if (parity != (numcols & 1)) { + lptr[0] += (hptr[0] + 1) >> 1; + } + + } else { + + if (parity) { + lptr = &a[0]; + lptr[0] <<= 1; + } + + } + +} + +void jpc_ft_fwdlift_col(jpc_fix_t *a, int numrows, int stride, int parity) +{ + + jpc_fix_t *lptr; + jpc_fix_t *hptr; +#if 0 + register jpc_fix_t *lptr2; + register jpc_fix_t *hptr2; + register int i; +#endif + register int n; + int llen; + + llen = (numrows + 1 - parity) >> 1; + + if (numrows > 1) { + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + hptr[0] -= lptr[0]; + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + hptr[0] -= (lptr[0] + lptr[stride]) >> 1; + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + hptr[0] -= lptr[0]; + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr[0] += (hptr[0] + 1) >> 1; + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr[0] += (hptr[0] + hptr[stride] + 2) >> 2; + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr[0] += (hptr[0] + 1) >> 1; + } + + } else { + + if (parity) { + lptr = &a[0]; + lptr[0] <<= 1; + } + + } + +} + +void jpc_ft_fwdlift_colgrp(jpc_fix_t *a, int numrows, int stride, int parity) +{ + + jpc_fix_t *lptr; + jpc_fix_t *hptr; + register jpc_fix_t *lptr2; + register jpc_fix_t *hptr2; + register int n; + register int i; + int llen; + + llen = (numrows + 1 - parity) >> 1; + + if (numrows > 1) { + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + hptr2[0] -= lptr2[0]; + ++hptr2; + ++lptr2; + } + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + hptr2[0] -= (lptr2[0] + lptr2[stride]) >> 1; + ++lptr2; + ++hptr2; + } + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + hptr2[0] -= lptr2[0]; + ++lptr2; + ++hptr2; + } + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + lptr2[0] += (hptr2[0] + 1) >> 1; + ++lptr2; + ++hptr2; + } + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + lptr2[0] += (hptr2[0] + hptr2[stride] + 2) >> 2; + ++lptr2; + ++hptr2; + } + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + lptr2[0] += (hptr2[0] + 1) >> 1; + ++lptr2; + ++hptr2; + } + } + + } else { + + if (parity) { + lptr2 = &a[0]; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + lptr2[0] <<= 1; + ++lptr2; + } + } + + } + +} + +void jpc_ft_fwdlift_colres(jpc_fix_t *a, int numrows, int numcols, int stride, + int parity) +{ + + jpc_fix_t *lptr; + jpc_fix_t *hptr; + register jpc_fix_t *lptr2; + register jpc_fix_t *hptr2; + register int n; + register int i; + int llen; + + llen = (numrows + 1 - parity) >> 1; + + if (numrows > 1) { + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + hptr2[0] -= lptr2[0]; + ++hptr2; + ++lptr2; + } + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + hptr2[0] -= (lptr2[0] + lptr2[stride]) >> 1; + ++lptr2; + ++hptr2; + } + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + hptr2[0] -= lptr2[0]; + ++lptr2; + ++hptr2; + } + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + lptr2[0] += (hptr2[0] + 1) >> 1; + ++lptr2; + ++hptr2; + } + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + lptr2[0] += (hptr2[0] + hptr2[stride] + 2) >> 2; + ++lptr2; + ++hptr2; + } + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + lptr2[0] += (hptr2[0] + 1) >> 1; + ++lptr2; + ++hptr2; + } + } + + } else { + + if (parity) { + lptr2 = &a[0]; + for (i = 0; i < numcols; ++i) { + lptr2[0] <<= 1; + ++lptr2; + } + } + + } + +} + +void jpc_ft_invlift_row(jpc_fix_t *a, int numcols, int parity) +{ + + register jpc_fix_t *lptr; + register jpc_fix_t *hptr; + register int n; + int llen; + + llen = (numcols + 1 - parity) >> 1; + + if (numcols > 1) { + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen]; + if (!parity) { + lptr[0] -= (hptr[0] + 1) >> 1; + ++lptr; + } + n = llen - (!parity) - (parity != (numcols & 1)); + while (n-- > 0) { + lptr[0] -= (hptr[0] + hptr[1] + 2) >> 2; + ++lptr; + ++hptr; + } + if (parity != (numcols & 1)) { + lptr[0] -= (hptr[0] + 1) >> 1; + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen]; + if (parity) { + hptr[0] += lptr[0]; + ++hptr; + } + n = numcols - llen - parity - (parity == (numcols & 1)); + while (n-- > 0) { + hptr[0] += (lptr[0] + lptr[1]) >> 1; + ++hptr; + ++lptr; + } + if (parity == (numcols & 1)) { + hptr[0] += lptr[0]; + } + + } else { + + if (parity) { + lptr = &a[0]; + lptr[0] >>= 1; + } + + } + +} + +void jpc_ft_invlift_col(jpc_fix_t *a, int numrows, int stride, int parity) +{ + + jpc_fix_t *lptr; + jpc_fix_t *hptr; +#if 0 + register jpc_fix_t *lptr2; + register jpc_fix_t *hptr2; + register int i; +#endif + register int n; + int llen; + + llen = (numrows + 1 - parity) >> 1; + + if (numrows > 1) { + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr[0] -= (hptr[0] + 1) >> 1; + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr[0] -= (hptr[0] + hptr[stride] + 2) >> 2; + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr[0] -= (hptr[0] + 1) >> 1; + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + hptr[0] += lptr[0]; + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + hptr[0] += (lptr[0] + lptr[stride]) >> 1; + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + hptr[0] += lptr[0]; + } + + } else { + + if (parity) { + lptr = &a[0]; + lptr[0] >>= 1; + } + + } + +} + +void jpc_ft_invlift_colgrp(jpc_fix_t *a, int numrows, int stride, int parity) +{ + + jpc_fix_t *lptr; + jpc_fix_t *hptr; + register jpc_fix_t *lptr2; + register jpc_fix_t *hptr2; + register int n; + register int i; + int llen; + + llen = (numrows + 1 - parity) >> 1; + + if (numrows > 1) { + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + lptr2[0] -= (hptr2[0] + 1) >> 1; + ++lptr2; + ++hptr2; + } + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + lptr2[0] -= (hptr2[0] + hptr2[stride] + 2) >> 2; + ++lptr2; + ++hptr2; + } + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + lptr2[0] -= (hptr2[0] + 1) >> 1; + ++lptr2; + ++hptr2; + } + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + hptr2[0] += lptr2[0]; + ++hptr2; + ++lptr2; + } + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + hptr2[0] += (lptr2[0] + lptr2[stride]) >> 1; + ++lptr2; + ++hptr2; + } + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + hptr2[0] += lptr2[0]; + ++lptr2; + ++hptr2; + } + } + + } else { + + if (parity) { + lptr2 = &a[0]; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + lptr2[0] >>= 1; + ++lptr2; + } + } + + } + +} + +void jpc_ft_invlift_colres(jpc_fix_t *a, int numrows, int numcols, int stride, + int parity) +{ + + jpc_fix_t *lptr; + jpc_fix_t *hptr; + register jpc_fix_t *lptr2; + register jpc_fix_t *hptr2; + register int n; + register int i; + int llen; + + llen = (numrows + 1 - parity) >> 1; + + if (numrows > 1) { + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + lptr2[0] -= (hptr2[0] + 1) >> 1; + ++lptr2; + ++hptr2; + } + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + lptr2[0] -= (hptr2[0] + hptr2[stride] + 2) >> 2; + ++lptr2; + ++hptr2; + } + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + lptr2[0] -= (hptr2[0] + 1) >> 1; + ++lptr2; + ++hptr2; + } + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + hptr2[0] += lptr2[0]; + ++hptr2; + ++lptr2; + } + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + hptr2[0] += (lptr2[0] + lptr2[stride]) >> 1; + ++lptr2; + ++hptr2; + } + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + hptr2[0] += lptr2[0]; + ++lptr2; + ++hptr2; + } + } + + } else { + + if (parity) { + lptr2 = &a[0]; + for (i = 0; i < numcols; ++i) { + lptr2[0] >>= 1; + ++lptr2; + } + } + + } + +} + +int jpc_ft_analyze(jpc_fix_t *a, int xstart, int ystart, int width, int height, + int stride) +{ + int numrows = height; + int numcols = width; + int rowparity = ystart & 1; + int colparity = xstart & 1; + int i; + jpc_fix_t *startptr; + int maxcols; + + maxcols = (numcols / JPC_QMFB_COLGRPSIZE) * JPC_QMFB_COLGRPSIZE; + startptr = &a[0]; + for (i = 0; i < maxcols; i += JPC_QMFB_COLGRPSIZE) { + jpc_qmfb_split_colgrp(startptr, numrows, stride, rowparity); + jpc_ft_fwdlift_colgrp(startptr, numrows, stride, rowparity); + startptr += JPC_QMFB_COLGRPSIZE; + } + if (maxcols < numcols) { + jpc_qmfb_split_colres(startptr, numrows, numcols - maxcols, stride, + rowparity); + jpc_ft_fwdlift_colres(startptr, numrows, numcols - maxcols, stride, + rowparity); + } + + startptr = &a[0]; + for (i = 0; i < numrows; ++i) { + jpc_qmfb_split_row(startptr, numcols, colparity); + jpc_ft_fwdlift_row(startptr, numcols, colparity); + startptr += stride; + } + + return 0; + +} + +int jpc_ft_synthesize(int *a, int xstart, int ystart, int width, int height, + int stride) +{ + int numrows = height; + int numcols = width; + int rowparity = ystart & 1; + int colparity = xstart & 1; + + int maxcols; + jpc_fix_t *startptr; + int i; + + startptr = &a[0]; + for (i = 0; i < numrows; ++i) { + jpc_ft_invlift_row(startptr, numcols, colparity); + jpc_qmfb_join_row(startptr, numcols, colparity); + startptr += stride; + } + + maxcols = (numcols / JPC_QMFB_COLGRPSIZE) * JPC_QMFB_COLGRPSIZE; + startptr = &a[0]; + for (i = 0; i < maxcols; i += JPC_QMFB_COLGRPSIZE) { + // GeoJasper: dima - progress + jas_do_progress( i, maxcols, "jpc: synthesize" ); // dima + if (jas_test_abort() == 1) return 0; + + jpc_ft_invlift_colgrp(startptr, numrows, stride, rowparity); + jpc_qmfb_join_colgrp(startptr, numrows, stride, rowparity); + startptr += JPC_QMFB_COLGRPSIZE; + } + if (maxcols < numcols) { + jpc_ft_invlift_colres(startptr, numrows, numcols - maxcols, stride, + rowparity); + jpc_qmfb_join_colres(startptr, numrows, numcols - maxcols, stride, + rowparity); + } + + return 0; + +} + +/******************************************************************************\ +* 9/7 transform +\******************************************************************************/ + +#define ALPHA (-1.586134342059924) +#define BETA (-0.052980118572961) +#define GAMMA (0.882911075530934) +#define DELTA (0.443506852043971) +#define LGAIN (1.0 / 1.23017410558578) +#define HGAIN (1.0 / 1.62578613134411) + +void jpc_ns_fwdlift_row(jpc_fix_t *a, int numcols, int parity) +{ + + register jpc_fix_t *lptr; + register jpc_fix_t *hptr; + register int n; + int llen; + + llen = (numcols + 1 - parity) >> 1; + + if (numcols > 1) { + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen]; + if (parity) { + jpc_fix_pluseq(hptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * ALPHA), + lptr[0])); + ++hptr; + } + n = numcols - llen - parity - (parity == (numcols & 1)); + while (n-- > 0) { + jpc_fix_pluseq(hptr[0], jpc_fix_mul(jpc_dbltofix(ALPHA), + jpc_fix_add(lptr[0], lptr[1]))); + ++hptr; + ++lptr; + } + if (parity == (numcols & 1)) { + jpc_fix_pluseq(hptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * ALPHA), + lptr[0])); + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen]; + if (!parity) { + jpc_fix_pluseq(lptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr[0])); + ++lptr; + } + n = llen - (!parity) - (parity != (numcols & 1)); + while (n-- > 0) { + jpc_fix_pluseq(lptr[0], jpc_fix_mul(jpc_dbltofix(BETA), + jpc_fix_add(hptr[0], hptr[1]))); + ++lptr; + ++hptr; + } + if (parity != (numcols & 1)) { + jpc_fix_pluseq(lptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr[0])); + } + + /* Apply the third lifting step. */ + lptr = &a[0]; + hptr = &a[llen]; + if (parity) { + jpc_fix_pluseq(hptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * GAMMA), + lptr[0])); + ++hptr; + } + n = numcols - llen - parity - (parity == (numcols & 1)); + while (n-- > 0) { + jpc_fix_pluseq(hptr[0], jpc_fix_mul(jpc_dbltofix(GAMMA), + jpc_fix_add(lptr[0], lptr[1]))); + ++hptr; + ++lptr; + } + if (parity == (numcols & 1)) { + jpc_fix_pluseq(hptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * GAMMA), + lptr[0])); + } + + /* Apply the fourth lifting step. */ + lptr = &a[0]; + hptr = &a[llen]; + if (!parity) { + jpc_fix_pluseq(lptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * DELTA), + hptr[0])); + ++lptr; + } + n = llen - (!parity) - (parity != (numcols & 1)); + while (n-- > 0) { + jpc_fix_pluseq(lptr[0], jpc_fix_mul(jpc_dbltofix(DELTA), + jpc_fix_add(hptr[0], hptr[1]))); + ++lptr; + ++hptr; + } + if (parity != (numcols & 1)) { + jpc_fix_pluseq(lptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * DELTA), + hptr[0])); + } + + /* Apply the scaling step. */ +#if defined(WT_DOSCALE) + lptr = &a[0]; + n = llen; + while (n-- > 0) { + lptr[0] = jpc_fix_mul(lptr[0], jpc_dbltofix(LGAIN)); + ++lptr; + } + hptr = &a[llen]; + n = numcols - llen; + while (n-- > 0) { + hptr[0] = jpc_fix_mul(hptr[0], jpc_dbltofix(HGAIN)); + ++hptr; + } +#endif + + } else { + +#if defined(WT_LENONE) + if (parity) { + lptr = &a[0]; + lptr[0] <<= 1; + } +#endif + + } + +} + +void jpc_ns_fwdlift_colgrp(jpc_fix_t *a, int numrows, int stride, + int parity) +{ + + jpc_fix_t *lptr; + jpc_fix_t *hptr; + register jpc_fix_t *lptr2; + register jpc_fix_t *hptr2; + register int n; + register int i; + int llen; + + llen = (numrows + 1 - parity) >> 1; + + if (numrows > 1) { + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * ALPHA), + lptr2[0])); + ++hptr2; + ++lptr2; + } + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(ALPHA), + jpc_fix_add(lptr2[0], lptr2[stride]))); + ++lptr2; + ++hptr2; + } + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * ALPHA), + lptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(BETA), + jpc_fix_add(hptr2[0], hptr2[stride]))); + ++lptr2; + ++hptr2; + } + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the third lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * GAMMA), + lptr2[0])); + ++hptr2; + ++lptr2; + } + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(GAMMA), + jpc_fix_add(lptr2[0], lptr2[stride]))); + ++lptr2; + ++hptr2; + } + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * GAMMA), + lptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the fourth lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * DELTA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(DELTA), + jpc_fix_add(hptr2[0], hptr2[stride]))); + ++lptr2; + ++hptr2; + } + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * DELTA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the scaling step. */ +#if defined(WT_DOSCALE) + lptr = &a[0]; + n = llen; + while (n-- > 0) { + lptr2 = lptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + lptr2[0] = jpc_fix_mul(lptr2[0], jpc_dbltofix(LGAIN)); + ++lptr2; + } + lptr += stride; + } + hptr = &a[llen * stride]; + n = numrows - llen; + while (n-- > 0) { + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + hptr2[0] = jpc_fix_mul(hptr2[0], jpc_dbltofix(HGAIN)); + ++hptr2; + } + hptr += stride; + } +#endif + + } else { + +#if defined(WT_LENONE) + if (parity) { + lptr2 = &a[0]; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + lptr2[0] <<= 1; + ++lptr2; + } + } +#endif + + } + +} + +void jpc_ns_fwdlift_colres(jpc_fix_t *a, int numrows, int numcols, + int stride, int parity) +{ + + jpc_fix_t *lptr; + jpc_fix_t *hptr; + register jpc_fix_t *lptr2; + register jpc_fix_t *hptr2; + register int n; + register int i; + int llen; + + llen = (numrows + 1 - parity) >> 1; + + if (numrows > 1) { + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * ALPHA), + lptr2[0])); + ++hptr2; + ++lptr2; + } + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(ALPHA), + jpc_fix_add(lptr2[0], lptr2[stride]))); + ++lptr2; + ++hptr2; + } + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * ALPHA), + lptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(BETA), + jpc_fix_add(hptr2[0], hptr2[stride]))); + ++lptr2; + ++hptr2; + } + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the third lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * GAMMA), + lptr2[0])); + ++hptr2; + ++lptr2; + } + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(GAMMA), + jpc_fix_add(lptr2[0], lptr2[stride]))); + ++lptr2; + ++hptr2; + } + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * GAMMA), + lptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the fourth lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * DELTA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(DELTA), + jpc_fix_add(hptr2[0], hptr2[stride]))); + ++lptr2; + ++hptr2; + } + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * DELTA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the scaling step. */ +#if defined(WT_DOSCALE) + lptr = &a[0]; + n = llen; + while (n-- > 0) { + lptr2 = lptr; + for (i = 0; i < numcols; ++i) { + lptr2[0] = jpc_fix_mul(lptr2[0], jpc_dbltofix(LGAIN)); + ++lptr2; + } + lptr += stride; + } + hptr = &a[llen * stride]; + n = numrows - llen; + while (n-- > 0) { + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + hptr2[0] = jpc_fix_mul(hptr2[0], jpc_dbltofix(HGAIN)); + ++hptr2; + } + hptr += stride; + } +#endif + + } else { + +#if defined(WT_LENONE) + if (parity) { + lptr2 = &a[0]; + for (i = 0; i < numcols; ++i) { + lptr2[0] <<= 1; + ++lptr2; + } + } +#endif + + } + +} + +void jpc_ns_fwdlift_col(jpc_fix_t *a, int numrows, int stride, + int parity) +{ + + jpc_fix_t *lptr; + jpc_fix_t *hptr; + register jpc_fix_t *lptr2; + register jpc_fix_t *hptr2; + register int n; + int llen; + + llen = (numrows + 1 - parity) >> 1; + + if (numrows > 1) { + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * ALPHA), + lptr2[0])); + ++hptr2; + ++lptr2; + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(ALPHA), + jpc_fix_add(lptr2[0], lptr2[stride]))); + ++lptr2; + ++hptr2; + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * ALPHA), + lptr2[0])); + ++lptr2; + ++hptr2; + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr2[0])); + ++lptr2; + ++hptr2; + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(BETA), + jpc_fix_add(hptr2[0], hptr2[stride]))); + ++lptr2; + ++hptr2; + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + + /* Apply the third lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * GAMMA), + lptr2[0])); + ++hptr2; + ++lptr2; + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(GAMMA), + jpc_fix_add(lptr2[0], lptr2[stride]))); + ++lptr2; + ++hptr2; + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_pluseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * GAMMA), + lptr2[0])); + ++lptr2; + ++hptr2; + } + + /* Apply the fourth lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * DELTA), + hptr2[0])); + ++lptr2; + ++hptr2; + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(DELTA), + jpc_fix_add(hptr2[0], hptr2[stride]))); + ++lptr2; + ++hptr2; + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_pluseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * DELTA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + + /* Apply the scaling step. */ +#if defined(WT_DOSCALE) + lptr = &a[0]; + n = llen; + while (n-- > 0) { + lptr2 = lptr; + lptr2[0] = jpc_fix_mul(lptr2[0], jpc_dbltofix(LGAIN)); + ++lptr2; + lptr += stride; + } + hptr = &a[llen * stride]; + n = numrows - llen; + while (n-- > 0) { + hptr2 = hptr; + hptr2[0] = jpc_fix_mul(hptr2[0], jpc_dbltofix(HGAIN)); + ++hptr2; + hptr += stride; + } +#endif + + } else { + +#if defined(WT_LENONE) + if (parity) { + lptr2 = &a[0]; + lptr2[0] <<= 1; + ++lptr2; + } +#endif + + } + +} + +void jpc_ns_invlift_row(jpc_fix_t *a, int numcols, int parity) +{ + + register jpc_fix_t *lptr; + register jpc_fix_t *hptr; + register int n; + int llen; + + llen = (numcols + 1 - parity) >> 1; + + if (numcols > 1) { + + /* Apply the scaling step. */ +#if defined(WT_DOSCALE) + lptr = &a[0]; + n = llen; + while (n-- > 0) { + lptr[0] = jpc_fix_mul(lptr[0], jpc_dbltofix(1.0 / LGAIN)); + ++lptr; + } + hptr = &a[llen]; + n = numcols - llen; + while (n-- > 0) { + hptr[0] = jpc_fix_mul(hptr[0], jpc_dbltofix(1.0 / HGAIN)); + ++hptr; + } +#endif + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen]; + if (!parity) { + jpc_fix_minuseq(lptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * DELTA), + hptr[0])); + ++lptr; + } + n = llen - (!parity) - (parity != (numcols & 1)); + while (n-- > 0) { + jpc_fix_minuseq(lptr[0], jpc_fix_mul(jpc_dbltofix(DELTA), + jpc_fix_add(hptr[0], hptr[1]))); + ++lptr; + ++hptr; + } + if (parity != (numcols & 1)) { + jpc_fix_minuseq(lptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * DELTA), + hptr[0])); + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen]; + if (parity) { + jpc_fix_minuseq(hptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * GAMMA), + lptr[0])); + ++hptr; + } + n = numcols - llen - parity - (parity == (numcols & 1)); + while (n-- > 0) { + jpc_fix_minuseq(hptr[0], jpc_fix_mul(jpc_dbltofix(GAMMA), + jpc_fix_add(lptr[0], lptr[1]))); + ++hptr; + ++lptr; + } + if (parity == (numcols & 1)) { + jpc_fix_minuseq(hptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * GAMMA), + lptr[0])); + } + + /* Apply the third lifting step. */ + lptr = &a[0]; + hptr = &a[llen]; + if (!parity) { + jpc_fix_minuseq(lptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr[0])); + ++lptr; + } + n = llen - (!parity) - (parity != (numcols & 1)); + while (n-- > 0) { + jpc_fix_minuseq(lptr[0], jpc_fix_mul(jpc_dbltofix(BETA), + jpc_fix_add(hptr[0], hptr[1]))); + ++lptr; + ++hptr; + } + if (parity != (numcols & 1)) { + jpc_fix_minuseq(lptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr[0])); + } + + /* Apply the fourth lifting step. */ + lptr = &a[0]; + hptr = &a[llen]; + if (parity) { + jpc_fix_minuseq(hptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * ALPHA), + lptr[0])); + ++hptr; + } + n = numcols - llen - parity - (parity == (numcols & 1)); + while (n-- > 0) { + jpc_fix_minuseq(hptr[0], jpc_fix_mul(jpc_dbltofix(ALPHA), + jpc_fix_add(lptr[0], lptr[1]))); + ++hptr; + ++lptr; + } + if (parity == (numcols & 1)) { + jpc_fix_minuseq(hptr[0], jpc_fix_mul(jpc_dbltofix(2.0 * ALPHA), + lptr[0])); + } + + } else { + +#if defined(WT_LENONE) + if (parity) { + lptr = &a[0]; + lptr[0] >>= 1; + } +#endif + + } + +} + +void jpc_ns_invlift_colgrp(jpc_fix_t *a, int numrows, int stride, + int parity) +{ + + jpc_fix_t *lptr; + jpc_fix_t *hptr; + register jpc_fix_t *lptr2; + register jpc_fix_t *hptr2; + register int n; + register int i; + int llen; + + llen = (numrows + 1 - parity) >> 1; + + if (numrows > 1) { + + /* Apply the scaling step. */ +#if defined(WT_DOSCALE) + lptr = &a[0]; + n = llen; + while (n-- > 0) { + lptr2 = lptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + lptr2[0] = jpc_fix_mul(lptr2[0], jpc_dbltofix(1.0 / LGAIN)); + ++lptr2; + } + lptr += stride; + } + hptr = &a[llen * stride]; + n = numrows - llen; + while (n-- > 0) { + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + hptr2[0] = jpc_fix_mul(hptr2[0], jpc_dbltofix(1.0 / HGAIN)); + ++hptr2; + } + hptr += stride; + } +#endif + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + DELTA), hptr2[0])); + ++lptr2; + ++hptr2; + } + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(DELTA), + jpc_fix_add(hptr2[0], hptr2[stride]))); + ++lptr2; + ++hptr2; + } + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + DELTA), hptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + GAMMA), lptr2[0])); + ++hptr2; + ++lptr2; + } + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(GAMMA), + jpc_fix_add(lptr2[0], lptr2[stride]))); + ++lptr2; + ++hptr2; + } + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + GAMMA), lptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the third lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(BETA), + jpc_fix_add(hptr2[0], hptr2[stride]))); + ++lptr2; + ++hptr2; + } + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the fourth lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + ALPHA), lptr2[0])); + ++hptr2; + ++lptr2; + } + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(ALPHA), + jpc_fix_add(lptr2[0], lptr2[stride]))); + ++lptr2; + ++hptr2; + } + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + ALPHA), lptr2[0])); + ++lptr2; + ++hptr2; + } + } + + } else { + +#if defined(WT_LENONE) + if (parity) { + lptr2 = &a[0]; + for (i = 0; i < JPC_QMFB_COLGRPSIZE; ++i) { + lptr2[0] >>= 1; + ++lptr2; + } + } +#endif + + } + +} + +void jpc_ns_invlift_colres(jpc_fix_t *a, int numrows, int numcols, + int stride, int parity) +{ + + jpc_fix_t *lptr; + jpc_fix_t *hptr; + register jpc_fix_t *lptr2; + register jpc_fix_t *hptr2; + register int n; + register int i; + int llen; + + llen = (numrows + 1 - parity) >> 1; + + if (numrows > 1) { + + /* Apply the scaling step. */ +#if defined(WT_DOSCALE) + lptr = &a[0]; + n = llen; + while (n-- > 0) { + lptr2 = lptr; + for (i = 0; i < numcols; ++i) { + lptr2[0] = jpc_fix_mul(lptr2[0], jpc_dbltofix(1.0 / LGAIN)); + ++lptr2; + } + lptr += stride; + } + hptr = &a[llen * stride]; + n = numrows - llen; + while (n-- > 0) { + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + hptr2[0] = jpc_fix_mul(hptr2[0], jpc_dbltofix(1.0 / HGAIN)); + ++hptr2; + } + hptr += stride; + } +#endif + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + DELTA), hptr2[0])); + ++lptr2; + ++hptr2; + } + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(DELTA), + jpc_fix_add(hptr2[0], hptr2[stride]))); + ++lptr2; + ++hptr2; + } + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + DELTA), hptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + GAMMA), lptr2[0])); + ++hptr2; + ++lptr2; + } + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(GAMMA), + jpc_fix_add(lptr2[0], lptr2[stride]))); + ++lptr2; + ++hptr2; + } + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + GAMMA), lptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the third lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(BETA), + jpc_fix_add(hptr2[0], hptr2[stride]))); + ++lptr2; + ++hptr2; + } + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + } + + /* Apply the fourth lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + ALPHA), lptr2[0])); + ++hptr2; + ++lptr2; + } + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(ALPHA), + jpc_fix_add(lptr2[0], lptr2[stride]))); + ++lptr2; + ++hptr2; + } + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + for (i = 0; i < numcols; ++i) { + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + ALPHA), lptr2[0])); + ++lptr2; + ++hptr2; + } + } + + } else { + +#if defined(WT_LENONE) + if (parity) { + lptr2 = &a[0]; + for (i = 0; i < numcols; ++i) { + lptr2[0] >>= 1; + ++lptr2; + } + } +#endif + + } + +} + +void jpc_ns_invlift_col(jpc_fix_t *a, int numrows, int stride, + int parity) +{ + + jpc_fix_t *lptr; + jpc_fix_t *hptr; + register jpc_fix_t *lptr2; + register jpc_fix_t *hptr2; + register int n; + int llen; + + llen = (numrows + 1 - parity) >> 1; + + if (numrows > 1) { + + /* Apply the scaling step. */ +#if defined(WT_DOSCALE) + lptr = &a[0]; + n = llen; + while (n-- > 0) { + lptr2 = lptr; + lptr2[0] = jpc_fix_mul(lptr2[0], jpc_dbltofix(1.0 / LGAIN)); + ++lptr2; + lptr += stride; + } + hptr = &a[llen * stride]; + n = numrows - llen; + while (n-- > 0) { + hptr2 = hptr; + hptr2[0] = jpc_fix_mul(hptr2[0], jpc_dbltofix(1.0 / HGAIN)); + ++hptr2; + hptr += stride; + } +#endif + + /* Apply the first lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + DELTA), hptr2[0])); + ++lptr2; + ++hptr2; + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(DELTA), + jpc_fix_add(hptr2[0], hptr2[stride]))); + ++lptr2; + ++hptr2; + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + DELTA), hptr2[0])); + ++lptr2; + ++hptr2; + } + + /* Apply the second lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + GAMMA), lptr2[0])); + ++hptr2; + ++lptr2; + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(GAMMA), + jpc_fix_add(lptr2[0], lptr2[stride]))); + ++lptr2; + ++hptr2; + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + GAMMA), lptr2[0])); + ++lptr2; + ++hptr2; + } + + /* Apply the third lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (!parity) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr2[0])); + ++lptr2; + ++hptr2; + lptr += stride; + } + n = llen - (!parity) - (parity != (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(BETA), + jpc_fix_add(hptr2[0], hptr2[stride]))); + ++lptr2; + ++hptr2; + lptr += stride; + hptr += stride; + } + if (parity != (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_minuseq(lptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * BETA), + hptr2[0])); + ++lptr2; + ++hptr2; + } + + /* Apply the fourth lifting step. */ + lptr = &a[0]; + hptr = &a[llen * stride]; + if (parity) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + ALPHA), lptr2[0])); + ++hptr2; + ++lptr2; + hptr += stride; + } + n = numrows - llen - parity - (parity == (numrows & 1)); + while (n-- > 0) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(ALPHA), + jpc_fix_add(lptr2[0], lptr2[stride]))); + ++lptr2; + ++hptr2; + hptr += stride; + lptr += stride; + } + if (parity == (numrows & 1)) { + lptr2 = lptr; + hptr2 = hptr; + jpc_fix_minuseq(hptr2[0], jpc_fix_mul(jpc_dbltofix(2.0 * + ALPHA), lptr2[0])); + ++lptr2; + ++hptr2; + } + + } else { + +#if defined(WT_LENONE) + if (parity) { + lptr2 = &a[0]; + lptr2[0] >>= 1; + ++lptr2; + } +#endif + + } + +} + +int jpc_ns_analyze(jpc_fix_t *a, int xstart, int ystart, int width, int height, + int stride) +{ + + int numrows = height; + int numcols = width; + int rowparity = ystart & 1; + int colparity = xstart & 1; + int i; + jpc_fix_t *startptr; + int maxcols; + + maxcols = (numcols / JPC_QMFB_COLGRPSIZE) * JPC_QMFB_COLGRPSIZE; + startptr = &a[0]; + for (i = 0; i < maxcols; i += JPC_QMFB_COLGRPSIZE) { + jpc_qmfb_split_colgrp(startptr, numrows, stride, rowparity); + jpc_ns_fwdlift_colgrp(startptr, numrows, stride, rowparity); + startptr += JPC_QMFB_COLGRPSIZE; + } + if (maxcols < numcols) { + jpc_qmfb_split_colres(startptr, numrows, numcols - maxcols, stride, + rowparity); + jpc_ns_fwdlift_colres(startptr, numrows, numcols - maxcols, stride, + rowparity); + } + + startptr = &a[0]; + for (i = 0; i < numrows; ++i) { + jpc_qmfb_split_row(startptr, numcols, colparity); + jpc_ns_fwdlift_row(startptr, numcols, colparity); + startptr += stride; + } + + return 0; + +} + +int jpc_ns_synthesize(jpc_fix_t *a, int xstart, int ystart, int width, + int height, int stride) +{ + + int numrows = height; + int numcols = width; + int rowparity = ystart & 1; + int colparity = xstart & 1; + int maxcols; + jpc_fix_t *startptr; + int i; + + startptr = &a[0]; + for (i = 0; i < numrows; ++i) { + jpc_ns_invlift_row(startptr, numcols, colparity); + jpc_qmfb_join_row(startptr, numcols, colparity); + startptr += stride; + } + + maxcols = (numcols / JPC_QMFB_COLGRPSIZE) * JPC_QMFB_COLGRPSIZE; + startptr = &a[0]; + for (i = 0; i < maxcols; i += JPC_QMFB_COLGRPSIZE) { + // GeoJasper: dima - progress + jas_do_progress( i, maxcols, "jpc: synthesize" ); // dima + if (jas_test_abort() == 1) return 0; + + jpc_ns_invlift_colgrp(startptr, numrows, stride, rowparity); + jpc_qmfb_join_colgrp(startptr, numrows, stride, rowparity); + startptr += JPC_QMFB_COLGRPSIZE; + } + if (maxcols < numcols) { + jpc_ns_invlift_colres(startptr, numrows, numcols - maxcols, stride, + rowparity); + jpc_qmfb_join_colres(startptr, numrows, numcols - maxcols, stride, + rowparity); + } + + return 0; + +} + diff --git a/src/libjasper/jpc/jpc_qmfb.h b/src/libjasper/jpc/jpc_qmfb.h new file mode 100644 index 0000000..2586d55 --- /dev/null +++ b/src/libjasper/jpc/jpc_qmfb.h @@ -0,0 +1,113 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2004 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Quadrature Mirror-Image Filter Bank (QMFB) Routines + * + * $Id: jpc_qmfb.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_QMFB_H +#define JPC_QMFB_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_seq.h" + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* QMFB IDs. */ +#define JPC_QMFB1D_FT 1 /* 5/3 */ +#define JPC_QMFB1D_NS 2 /* 9/7 */ + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +#if !defined(JPC_QMFB_COLGRPSIZE) +/* The number of columns to group together during the vertical processing +stage of the wavelet transform. */ +/* The default value for this parameter is probably not optimal for +any particular platform. Hopefully, it is not too unreasonable, however. */ +#define JPC_QMFB_COLGRPSIZE 16 +#endif + +typedef struct { + int (*analyze)(int *, int, int, int, int, int); + int (*synthesize)(int *, int, int, int, int, int); + double *lpenergywts; + double *hpenergywts; +} jpc_qmfb2d_t; + +extern jpc_qmfb2d_t jpc_ft_qmfb2d; +extern jpc_qmfb2d_t jpc_ns_qmfb2d; + +#endif diff --git a/src/libjasper/jpc/jpc_t1cod.c b/src/libjasper/jpc/jpc_t1cod.c new file mode 100644 index 0000000..ea4d2b1 --- /dev/null +++ b/src/libjasper/jpc/jpc_t1cod.c @@ -0,0 +1,497 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * $Id: jpc_t1cod.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> +#include <math.h> + +#include "jasper/jas_types.h" +#include "jasper/jas_math.h" + +#include "jpc_bs.h" +#include "jpc_dec.h" +#include "jpc_cs.h" +#include "jpc_mqcod.h" +#include "jpc_t1cod.h" +#include "jpc_tsfb.h" + +double jpc_pow2i(int n); + +/******************************************************************************\ +* Global data. +\******************************************************************************/ + +int jpc_zcctxnolut[4 * 256]; +int jpc_spblut[256]; +int jpc_scctxnolut[256]; +int jpc_magctxnolut[4096]; + +jpc_fix_t jpc_signmsedec[1 << JPC_NMSEDEC_BITS]; +jpc_fix_t jpc_refnmsedec[1 << JPC_NMSEDEC_BITS]; +jpc_fix_t jpc_signmsedec0[1 << JPC_NMSEDEC_BITS]; +jpc_fix_t jpc_refnmsedec0[1 << JPC_NMSEDEC_BITS]; + +jpc_mqctx_t jpc_mqctxs[JPC_NUMCTXS]; + +/******************************************************************************\ +* +\******************************************************************************/ + +void jpc_initmqctxs(void); + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +int JPC_PASSTYPE(int passno) +{ + int passtype; + switch (passno % 3) { + case 0: + passtype = JPC_CLNPASS; + break; + case 1: + passtype = JPC_SIGPASS; + break; + case 2: + passtype = JPC_REFPASS; + break; + default: + passtype = -1; + assert(0); + break; + } + return passtype; +} + +int JPC_NOMINALGAIN(int qmfbid, int numlvls, int lvlno, int orient) +{ + /* Avoid compiler warnings about unused parameters. */ + numlvls = 0; + +if (qmfbid == JPC_COX_INS) { + return 0; +} + assert(qmfbid == JPC_COX_RFT); + if (lvlno == 0) { + assert(orient == JPC_TSFB_LL); + return 0; + } else { + switch (orient) { + case JPC_TSFB_LH: + case JPC_TSFB_HL: + return 1; + break; + case JPC_TSFB_HH: + return 2; + break; + } + } + abort(); +} + +/******************************************************************************\ +* Coding pass related functions. +\******************************************************************************/ + +int JPC_SEGTYPE(int passno, int firstpassno, int bypass) +{ + int passtype; + if (bypass) { + passtype = JPC_PASSTYPE(passno); + if (passtype == JPC_CLNPASS) { + return JPC_SEG_MQ; + } + return ((passno < firstpassno + 10) ? JPC_SEG_MQ : JPC_SEG_RAW); + } else { + return JPC_SEG_MQ; + } +} + +int JPC_SEGPASSCNT(int passno, int firstpassno, int numpasses, int bypass, int termall) +{ + int ret; + int passtype; + + if (termall) { + ret = 1; + } else if (bypass) { + if (passno < firstpassno + 10) { + ret = 10 - (passno - firstpassno); + } else { + passtype = JPC_PASSTYPE(passno); + switch (passtype) { + case JPC_SIGPASS: + ret = 2; + break; + case JPC_REFPASS: + ret = 1; + break; + case JPC_CLNPASS: + ret = 1; + break; + default: + ret = -1; + assert(0); + break; + } + } + } else { + ret = JPC_PREC * 3 - 2; + } + ret = JAS_MIN(ret, numpasses - passno); + return ret; +} + +int JPC_ISTERMINATED(int passno, int firstpassno, int numpasses, int termall, + int lazy) +{ + int ret; + int n; + if (passno - firstpassno == numpasses - 1) { + ret = 1; + } else { + n = JPC_SEGPASSCNT(passno, firstpassno, numpasses, lazy, termall); + ret = (n <= 1) ? 1 : 0; + } + + return ret; +} + +/******************************************************************************\ +* Lookup table code. +\******************************************************************************/ + +void jpc_initluts() +{ + int i; + int orient; + int refine; + float u; + float v; + float t; + +/* XXX - hack */ +jpc_initmqctxs(); + + for (orient = 0; orient < 4; ++orient) { + for (i = 0; i < 256; ++i) { + jpc_zcctxnolut[(orient << 8) | i] = jpc_getzcctxno(i, orient); + } + } + + for (i = 0; i < 256; ++i) { + jpc_spblut[i] = jpc_getspb(i << 4); + } + + for (i = 0; i < 256; ++i) { + jpc_scctxnolut[i] = jpc_getscctxno(i << 4); + } + + for (refine = 0; refine < 2; ++refine) { + for (i = 0; i < 2048; ++i) { + jpc_magctxnolut[(refine << 11) + i] = jpc_getmagctxno((refine ? JPC_REFINE : 0) | i); + } + } + + for (i = 0; i < (1 << JPC_NMSEDEC_BITS); ++i) { + t = i * jpc_pow2i(-JPC_NMSEDEC_FRACBITS); + u = t; + v = t - 1.5; + jpc_signmsedec[i] = jpc_dbltofix(floor((u * u - v * v) * jpc_pow2i(JPC_NMSEDEC_FRACBITS) + 0.5) / jpc_pow2i(JPC_NMSEDEC_FRACBITS)); +/* XXX - this calc is not correct */ + jpc_signmsedec0[i] = jpc_dbltofix(floor((u * u) * jpc_pow2i(JPC_NMSEDEC_FRACBITS) + 0.5) / jpc_pow2i(JPC_NMSEDEC_FRACBITS)); + u = t - 1.0; + if (i & (1 << (JPC_NMSEDEC_BITS - 1))) { + v = t - 1.5; + } else { + v = t - 0.5; + } + jpc_refnmsedec[i] = jpc_dbltofix(floor((u * u - v * v) * jpc_pow2i(JPC_NMSEDEC_FRACBITS) + 0.5) / jpc_pow2i(JPC_NMSEDEC_FRACBITS)); +/* XXX - this calc is not correct */ + jpc_refnmsedec0[i] = jpc_dbltofix(floor((u * u) * jpc_pow2i(JPC_NMSEDEC_FRACBITS) + 0.5) / jpc_pow2i(JPC_NMSEDEC_FRACBITS)); + } +} + +jpc_fix_t jpc_getsignmsedec_func(jpc_fix_t x, int bitpos) +{ + jpc_fix_t y; + assert(!(x & (~JAS_ONES(bitpos + 1)))); + y = jpc_getsignmsedec_macro(x, bitpos); + return y; +} + +int jpc_getzcctxno(int f, int orient) +{ + int h; + int v; + int d; + int n; + int t; + int hv; + + /* Avoid compiler warning. */ + n = 0; + + h = ((f & JPC_WSIG) != 0) + ((f & JPC_ESIG) != 0); + v = ((f & JPC_NSIG) != 0) + ((f & JPC_SSIG) != 0); + d = ((f & JPC_NWSIG) != 0) + ((f & JPC_NESIG) != 0) + ((f & JPC_SESIG) != 0) + ((f & JPC_SWSIG) != 0); + switch (orient) { + case JPC_TSFB_HL: + t = h; + h = v; + v = t; + case JPC_TSFB_LL: + case JPC_TSFB_LH: + if (!h) { + if (!v) { + if (!d) { + n = 0; + } else if (d == 1) { + n = 1; + } else { + n = 2; + } + } else if (v == 1) { + n = 3; + } else { + n = 4; + } + } else if (h == 1) { + if (!v) { + if (!d) { + n = 5; + } else { + n = 6; + } + } else { + n = 7; + } + } else { + n = 8; + } + break; + case JPC_TSFB_HH: + hv = h + v; + if (!d) { + if (!hv) { + n = 0; + } else if (hv == 1) { + n = 1; + } else { + n = 2; + } + } else if (d == 1) { + if (!hv) { + n = 3; + } else if (hv == 1) { + n = 4; + } else { + n = 5; + } + } else if (d == 2) { + if (!hv) { + n = 6; + } else { + n = 7; + } + } else { + n = 8; + } + break; + } + assert(n < JPC_NUMZCCTXS); + return JPC_ZCCTXNO + n; +} + +int jpc_getspb(int f) +{ + int hc; + int vc; + int n; + + hc = JAS_MIN(((f & (JPC_ESIG | JPC_ESGN)) == JPC_ESIG) + ((f & (JPC_WSIG | JPC_WSGN)) == JPC_WSIG), 1) - + JAS_MIN(((f & (JPC_ESIG | JPC_ESGN)) == (JPC_ESIG | JPC_ESGN)) + ((f & (JPC_WSIG | JPC_WSGN)) == (JPC_WSIG | JPC_WSGN)), 1); + vc = JAS_MIN(((f & (JPC_NSIG | JPC_NSGN)) == JPC_NSIG) + ((f & (JPC_SSIG | JPC_SSGN)) == JPC_SSIG), 1) - + JAS_MIN(((f & (JPC_NSIG | JPC_NSGN)) == (JPC_NSIG | JPC_NSGN)) + ((f & (JPC_SSIG | JPC_SSGN)) == (JPC_SSIG | JPC_SSGN)), 1); + if (!hc && !vc) { + n = 0; + } else { + n = (!(hc > 0 || (!hc && vc > 0))); + } + return n; +} + +int jpc_getscctxno(int f) +{ + int hc; + int vc; + int n; + + /* Avoid compiler warning. */ + n = 0; + + hc = JAS_MIN(((f & (JPC_ESIG | JPC_ESGN)) == JPC_ESIG) + ((f & (JPC_WSIG | JPC_WSGN)) == JPC_WSIG), + 1) - JAS_MIN(((f & (JPC_ESIG | JPC_ESGN)) == (JPC_ESIG | JPC_ESGN)) + + ((f & (JPC_WSIG | JPC_WSGN)) == (JPC_WSIG | JPC_WSGN)), 1); + vc = JAS_MIN(((f & (JPC_NSIG | JPC_NSGN)) == JPC_NSIG) + ((f & (JPC_SSIG | JPC_SSGN)) == JPC_SSIG), + 1) - JAS_MIN(((f & (JPC_NSIG | JPC_NSGN)) == (JPC_NSIG | JPC_NSGN)) + + ((f & (JPC_SSIG | JPC_SSGN)) == (JPC_SSIG | JPC_SSGN)), 1); + assert(hc >= -1 && hc <= 1 && vc >= -1 && vc <= 1); + if (hc < 0) { + hc = -hc; + vc = -vc; + } + if (!hc) { + if (vc == -1) { + n = 1; + } else if (!vc) { + n = 0; + } else { + n = 1; + } + } else if (hc == 1) { + if (vc == -1) { + n = 2; + } else if (!vc) { + n = 3; + } else { + n = 4; + } + } + assert(n < JPC_NUMSCCTXS); + return JPC_SCCTXNO + n; +} + +int jpc_getmagctxno(int f) +{ + int n; + + if (!(f & JPC_REFINE)) { + n = (f & (JPC_OTHSIGMSK)) ? 1 : 0; + } else { + n = 2; + } + + assert(n < JPC_NUMMAGCTXS); + return JPC_MAGCTXNO + n; +} + +void jpc_initctxs(jpc_mqctx_t *ctxs) +{ + jpc_mqctx_t *ctx; + int i; + + ctx = ctxs; + for (i = 0; i < JPC_NUMCTXS; ++i) { + ctx->mps = 0; + switch (i) { + case JPC_UCTXNO: + ctx->ind = 46; + break; + case JPC_ZCCTXNO: + ctx->ind = 4; + break; + case JPC_AGGCTXNO: + ctx->ind = 3; + break; + default: + ctx->ind = 0; + break; + } + ++ctx; + } +} + +void jpc_initmqctxs() +{ + jpc_initctxs(jpc_mqctxs); +} + +/* Calculate the real quantity exp2(n), where x is an integer. */ +double jpc_pow2i(int n) +{ + double x; + double a; + + x = 1.0; + if (n < 0) { + a = 0.5; + n = -n; + } else { + a = 2.0; + } + while (--n >= 0) { + x *= a; + } + return x; +} diff --git a/src/libjasper/jpc/jpc_t1cod.h b/src/libjasper/jpc/jpc_t1cod.h new file mode 100644 index 0000000..065c0af --- /dev/null +++ b/src/libjasper/jpc/jpc_t1cod.h @@ -0,0 +1,295 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * $Id: jpc_t1cod.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_T1COD_H +#define JPC_T1COD_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_fix.h" +#include "jasper/jas_math.h" + +#include "jpc_mqcod.h" +#include "jpc_tsfb.h" + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +/* The number of bits used to index into various lookup tables. */ +#define JPC_NMSEDEC_BITS 7 +#define JPC_NMSEDEC_FRACBITS (JPC_NMSEDEC_BITS - 1) + +/* + * Segment types. + */ + +/* Invalid. */ +#define JPC_SEG_INVALID 0 +/* MQ. */ +#define JPC_SEG_MQ 1 +/* Raw. */ +#define JPC_SEG_RAW 2 + +/* The nominal word size. */ +#define JPC_PREC 32 + +/* Tier-1 coding pass types. */ +#define JPC_SIGPASS 0 /* significance */ +#define JPC_REFPASS 1 /* refinement */ +#define JPC_CLNPASS 2 /* cleanup */ + +/* + * Per-sample state information for tier-1 coding. + */ + +/* The northeast neighbour has been found to be significant. */ +#define JPC_NESIG 0x0001 +/* The southeast neighbour has been found to be significant. */ +#define JPC_SESIG 0x0002 +/* The southwest neighbour has been found to be significant. */ +#define JPC_SWSIG 0x0004 +/* The northwest neighbour has been found to be significant. */ +#define JPC_NWSIG 0x0008 +/* The north neighbour has been found to be significant. */ +#define JPC_NSIG 0x0010 +/* The east neighbour has been found to be significant. */ +#define JPC_ESIG 0x0020 +/* The south neighbour has been found to be significant. */ +#define JPC_SSIG 0x0040 +/* The west neighbour has been found to be significant. */ +#define JPC_WSIG 0x0080 +/* The significance mask for 8-connected neighbours. */ +#define JPC_OTHSIGMSK \ + (JPC_NSIG | JPC_NESIG | JPC_ESIG | JPC_SESIG | JPC_SSIG | JPC_SWSIG | JPC_WSIG | JPC_NWSIG) +/* The significance mask for 4-connected neighbours. */ +#define JPC_PRIMSIGMSK (JPC_NSIG | JPC_ESIG | JPC_SSIG | JPC_WSIG) + +/* The north neighbour is negative in value. */ +#define JPC_NSGN 0x0100 +/* The east neighbour is negative in value. */ +#define JPC_ESGN 0x0200 +/* The south neighbour is negative in value. */ +#define JPC_SSGN 0x0400 +/* The west neighbour is negative in value. */ +#define JPC_WSGN 0x0800 +/* The sign mask for 4-connected neighbours. */ +#define JPC_SGNMSK (JPC_NSGN | JPC_ESGN | JPC_SSGN | JPC_WSGN) + +/* This sample has been found to be significant. */ +#define JPC_SIG 0x1000 +/* The sample has been refined. */ +#define JPC_REFINE 0x2000 +/* This sample has been processed during the significance pass. */ +#define JPC_VISIT 0x4000 + +/* The number of aggregation contexts. */ +#define JPC_NUMAGGCTXS 1 +/* The number of zero coding contexts. */ +#define JPC_NUMZCCTXS 9 +/* The number of magnitude contexts. */ +#define JPC_NUMMAGCTXS 3 +/* The number of sign coding contexts. */ +#define JPC_NUMSCCTXS 5 +/* The number of uniform contexts. */ +#define JPC_NUMUCTXS 1 + +/* The context ID for the first aggregation context. */ +#define JPC_AGGCTXNO 0 +/* The context ID for the first zero coding context. */ +#define JPC_ZCCTXNO (JPC_AGGCTXNO + JPC_NUMAGGCTXS) +/* The context ID for the first magnitude context. */ +#define JPC_MAGCTXNO (JPC_ZCCTXNO + JPC_NUMZCCTXS) +/* The context ID for the first sign coding context. */ +#define JPC_SCCTXNO (JPC_MAGCTXNO + JPC_NUMMAGCTXS) +/* The context ID for the first uniform context. */ +#define JPC_UCTXNO (JPC_SCCTXNO + JPC_NUMSCCTXS) +/* The total number of contexts. */ +#define JPC_NUMCTXS (JPC_UCTXNO + JPC_NUMUCTXS) + +/******************************************************************************\ +* External data. +\******************************************************************************/ + +/* These lookup tables are used by various macros/functions. */ +/* Do not access these lookup tables directly. */ +extern int jpc_zcctxnolut[]; +extern int jpc_spblut[]; +extern int jpc_scctxnolut[]; +extern int jpc_magctxnolut[]; +extern jpc_fix_t jpc_refnmsedec[]; +extern jpc_fix_t jpc_signmsedec[]; +extern jpc_fix_t jpc_refnmsedec0[]; +extern jpc_fix_t jpc_signmsedec0[]; + +/* The initial settings for the MQ contexts. */ +extern jpc_mqctx_t jpc_mqctxs[]; + +/******************************************************************************\ +* Functions and macros. +\******************************************************************************/ + +/* Initialize the MQ contexts. */ +void jpc_initctxs(jpc_mqctx_t *ctxs); + +/* Get the zero coding context. */ +int jpc_getzcctxno(int f, int orient); +#define JPC_GETZCCTXNO(f, orient) \ + (jpc_zcctxnolut[((orient) << 8) | ((f) & JPC_OTHSIGMSK)]) + +/* Get the sign prediction bit. */ +int jpc_getspb(int f); +#define JPC_GETSPB(f) \ + (jpc_spblut[((f) & (JPC_PRIMSIGMSK | JPC_SGNMSK)) >> 4]) + +/* Get the sign coding context. */ +int jpc_getscctxno(int f); +#define JPC_GETSCCTXNO(f) \ + (jpc_scctxnolut[((f) & (JPC_PRIMSIGMSK | JPC_SGNMSK)) >> 4]) + +/* Get the magnitude context. */ +int jpc_getmagctxno(int f); +#define JPC_GETMAGCTXNO(f) \ + (jpc_magctxnolut[((f) & JPC_OTHSIGMSK) | ((((f) & JPC_REFINE) != 0) << 11)]) + +/* Get the normalized MSE reduction for significance passes. */ +#define JPC_GETSIGNMSEDEC(x, bitpos) jpc_getsignmsedec_macro(x, bitpos) +jpc_fix_t jpc_getsignmsedec_func(jpc_fix_t x, int bitpos); +#define jpc_getsignmsedec_macro(x, bitpos) \ + ((bitpos > JPC_NMSEDEC_FRACBITS) ? jpc_signmsedec[JPC_ASR(x, bitpos - JPC_NMSEDEC_FRACBITS) & JAS_ONES(JPC_NMSEDEC_BITS)] : \ + (jpc_signmsedec0[JPC_ASR(x, bitpos - JPC_NMSEDEC_FRACBITS) & JAS_ONES(JPC_NMSEDEC_BITS)])) + +/* Get the normalized MSE reduction for refinement passes. */ +#define JPC_GETREFNMSEDEC(x, bitpos) jpc_getrefnmsedec_macro(x, bitpos) +jpc_fix_t jpc_refsignmsedec_func(jpc_fix_t x, int bitpos); +#define jpc_getrefnmsedec_macro(x, bitpos) \ + ((bitpos > JPC_NMSEDEC_FRACBITS) ? jpc_refnmsedec[JPC_ASR(x, bitpos - JPC_NMSEDEC_FRACBITS) & JAS_ONES(JPC_NMSEDEC_BITS)] : \ + (jpc_refnmsedec0[JPC_ASR(x, bitpos - JPC_NMSEDEC_FRACBITS) & JAS_ONES(JPC_NMSEDEC_BITS)])) + +/* Arithmetic shift right (with ability to shift left also). */ +#define JPC_ASR(x, n) \ + (((n) >= 0) ? ((x) >> (n)) : ((x) << (-(n)))) + +/* Update the per-sample state information. */ +#define JPC_UPDATEFLAGS4(fp, rowstep, s, vcausalflag) \ +{ \ + register jpc_fix_t *np = (fp) - (rowstep); \ + register jpc_fix_t *sp = (fp) + (rowstep); \ + if ((vcausalflag)) { \ + sp[-1] |= JPC_NESIG; \ + sp[1] |= JPC_NWSIG; \ + if (s) { \ + *sp |= JPC_NSIG | JPC_NSGN; \ + (fp)[-1] |= JPC_ESIG | JPC_ESGN; \ + (fp)[1] |= JPC_WSIG | JPC_WSGN; \ + } else { \ + *sp |= JPC_NSIG; \ + (fp)[-1] |= JPC_ESIG; \ + (fp)[1] |= JPC_WSIG; \ + } \ + } else { \ + np[-1] |= JPC_SESIG; \ + np[1] |= JPC_SWSIG; \ + sp[-1] |= JPC_NESIG; \ + sp[1] |= JPC_NWSIG; \ + if (s) { \ + *np |= JPC_SSIG | JPC_SSGN; \ + *sp |= JPC_NSIG | JPC_NSGN; \ + (fp)[-1] |= JPC_ESIG | JPC_ESGN; \ + (fp)[1] |= JPC_WSIG | JPC_WSGN; \ + } else { \ + *np |= JPC_SSIG; \ + *sp |= JPC_NSIG; \ + (fp)[-1] |= JPC_ESIG; \ + (fp)[1] |= JPC_WSIG; \ + } \ + } \ +} + +/* Initialize the lookup tables used by the codec. */ +void jpc_initluts(void); + +/* Get the nominal gain associated with a particular band. */ +int JPC_NOMINALGAIN(int qmfbid, int numlvls, int lvlno, int orient); + +/* Get the coding pass type. */ +int JPC_PASSTYPE(int passno); + +/* Get the segment type. */ +int JPC_SEGTYPE(int passno, int firstpassno, int bypass); + +/* Get the number of coding passess in the segment. */ +int JPC_SEGPASSCNT(int passno, int firstpassno, int numpasses, int bypass, + int termall); + +/* Is the coding pass terminated? */ +int JPC_ISTERMINATED(int passno, int firstpassno, int numpasses, int termall, + int lazy); + +#endif diff --git a/src/libjasper/jpc/jpc_t1dec.c b/src/libjasper/jpc/jpc_t1dec.c new file mode 100644 index 0000000..50df081 --- /dev/null +++ b/src/libjasper/jpc/jpc_t1dec.c @@ -0,0 +1,927 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tier 1 Decoder + * + * $Id: jpc_t1dec.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> + +#include "jasper/jas_fix.h" +#include "jasper/jas_stream.h" +#include "jasper/jas_math.h" + +#include "jpc_bs.h" +#include "jpc_mqdec.h" +#include "jpc_t1dec.h" +#include "jpc_t1cod.h" +#include "jpc_dec.h" + +/******************************************************************************\ +* +\******************************************************************************/ + +static int jpc_dec_decodecblk(jpc_dec_t *dec, jpc_dec_tile_t *tile, jpc_dec_tcomp_t *tcomp, jpc_dec_band_t *band, + jpc_dec_cblk_t *cblk, int dopartial, int maxlyrs); +static int dec_sigpass(jpc_dec_t *dec, jpc_mqdec_t *mqdec, int bitpos, int orient, + int vcausalflag, jas_matrix_t *flags, jas_matrix_t *data); +static int dec_rawsigpass(jpc_dec_t *dec, jpc_bitstream_t *in, int bitpos, + int vcausalflag, jas_matrix_t *flags, jas_matrix_t *data); +static int dec_refpass(jpc_dec_t *dec, jpc_mqdec_t *mqdec, int bitpos, int vcausalflag, + jas_matrix_t *flags, jas_matrix_t *data); +static int dec_rawrefpass(jpc_dec_t *dec, jpc_bitstream_t *in, int bitpos, + int vcausalflag, jas_matrix_t *flags, jas_matrix_t *data); +static int dec_clnpass(jpc_dec_t *dec, jpc_mqdec_t *mqdec, int bitpos, int orient, + int vcausalflag, int segsymflag, jas_matrix_t *flags, jas_matrix_t *data); + +#if defined(DEBUG) +static long t1dec_cnt = 0; +#endif + +#if !defined(DEBUG) +#define JPC_T1D_GETBIT(mqdec, v, passtypename, symtypename) \ + ((v) = jpc_mqdec_getbit(mqdec)) +#else +#define JPC_T1D_GETBIT(mqdec, v, passtypename, symtypename) \ +{ \ + (v) = jpc_mqdec_getbit(mqdec); \ + if (jas_getdbglevel() >= 100) { \ + jas_eprintf("index = %ld; passtype = %s; symtype = %s; sym = %d\n", t1dec_cnt, passtypename, symtypename, v); \ + ++t1dec_cnt; \ + } \ +} +#endif +#define JPC_T1D_GETBITNOSKEW(mqdec, v, passtypename, symtypename) \ + JPC_T1D_GETBIT(mqdec, v, passtypename, symtypename) + +#if !defined(DEBUG) +#define JPC_T1D_RAWGETBIT(bitstream, v, passtypename, symtypename) \ + ((v) = jpc_bitstream_getbit(bitstream)) +#else +#define JPC_T1D_RAWGETBIT(bitstream, v, passtypename, symtypename) \ +{ \ + (v) = jpc_bitstream_getbit(bitstream); \ + if (jas_getdbglevel() >= 100) { \ + jas_eprintf("index = %ld; passtype = %s; symtype = %s; sym = %d\n", t1dec_cnt, passtypename, symtypename, v); \ + ++t1dec_cnt; \ + } \ +} +#endif + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +int jpc_dec_decodecblks(jpc_dec_t *dec, jpc_dec_tile_t *tile) +{ + jpc_dec_tcomp_t *tcomp; + int compcnt; + jpc_dec_rlvl_t *rlvl; + int rlvlcnt; + jpc_dec_band_t *band; + int bandcnt; + jpc_dec_prc_t *prc; + int prccnt; + jpc_dec_cblk_t *cblk; + int cblkcnt; + + for (compcnt = dec->numcomps, tcomp = tile->tcomps; compcnt > 0; + --compcnt, ++tcomp) { + for (rlvlcnt = tcomp->numrlvls, rlvl = tcomp->rlvls; + rlvlcnt > 0; --rlvlcnt, ++rlvl) { + + // GeoJasper: dima - progress + jas_do_progress( (tcomp->numrlvls-rlvlcnt), (tcomp->numrlvls-1), "jpc: decode" ); + if (jas_test_abort() == 1) return -1; + + if (!rlvl->bands) { + continue; + } + for (bandcnt = rlvl->numbands, band = rlvl->bands; + bandcnt > 0; --bandcnt, ++band) { + if (!band->data) { + continue; + } + for (prccnt = rlvl->numprcs, prc = band->prcs; + prccnt > 0; --prccnt, ++prc) { + if (!prc->cblks) { + continue; + } + for (cblkcnt = prc->numcblks, + cblk = prc->cblks; cblkcnt > 0; + --cblkcnt, ++cblk) { + if (jpc_dec_decodecblk(dec, tile, tcomp, + band, cblk, 1, JPC_MAXLYRS)) { + return -1; + } + } + } + + } + } + } + + return 0; +} + +static int jpc_dec_decodecblk(jpc_dec_t *dec, jpc_dec_tile_t *tile, jpc_dec_tcomp_t *tcomp, jpc_dec_band_t *band, + jpc_dec_cblk_t *cblk, int dopartial, int maxlyrs) +{ + jpc_dec_seg_t *seg; + int i; + int bpno; + int passtype; + int ret; + int compno; + int filldata; + int fillmask; + jpc_dec_ccp_t *ccp; + + compno = tcomp - tile->tcomps; + + if (!cblk->flags) { + /* Note: matrix is assumed to be zeroed */ + if (!(cblk->flags = jas_matrix_create(jas_matrix_numrows(cblk->data) + + 2, jas_matrix_numcols(cblk->data) + 2))) { + return -1; + } + } + + seg = cblk->segs.head; + while (seg && (seg != cblk->curseg || dopartial) && (maxlyrs < 0 || + seg->lyrno < maxlyrs)) { + assert(seg->numpasses >= seg->maxpasses || dopartial); + assert(seg->stream); + jas_stream_rewind(seg->stream); + jas_stream_setrwcount(seg->stream, 0); + if (seg->type == JPC_SEG_MQ) { + if (!cblk->mqdec) { + if (!(cblk->mqdec = jpc_mqdec_create(JPC_NUMCTXS, 0))) { + return -1; + } + jpc_mqdec_setctxs(cblk->mqdec, JPC_NUMCTXS, jpc_mqctxs); + } + jpc_mqdec_setinput(cblk->mqdec, seg->stream); + jpc_mqdec_init(cblk->mqdec); + } else { + assert(seg->type == JPC_SEG_RAW); + if (!cblk->nulldec) { + if (!(cblk->nulldec = jpc_bitstream_sopen(seg->stream, "r"))) { + assert(0); + } + } + } + + + for (i = 0; i < seg->numpasses; ++i) { + if (cblk->numimsbs > band->numbps) { + ccp = &tile->cp->ccps[compno]; + if (ccp->roishift <= 0) { + jas_eprintf("warning: corrupt code stream\n"); + } else { + if (cblk->numimsbs < ccp->roishift - band->numbps) { + jas_eprintf("warning: corrupt code stream\n"); + } + } + } + bpno = band->roishift + band->numbps - 1 - (cblk->numimsbs + + (seg->passno + i - cblk->firstpassno + 2) / 3); +if (bpno < 0) { + goto premature_exit; +} +#if 1 + passtype = (seg->passno + i + 2) % 3; +#else + passtype = JPC_PASSTYPE(seg->passno + i + 2); +#endif + assert(bpno >= 0 && bpno < 31); + switch (passtype) { + case JPC_SIGPASS: + ret = (seg->type == JPC_SEG_MQ) ? dec_sigpass(dec, + cblk->mqdec, bpno, band->orient, + (tile->cp->ccps[compno].cblkctx & JPC_COX_VSC) != 0, + cblk->flags, cblk->data) : + dec_rawsigpass(dec, cblk->nulldec, bpno, + (tile->cp->ccps[compno].cblkctx & JPC_COX_VSC) != 0, + cblk->flags, cblk->data); + break; + case JPC_REFPASS: + ret = (seg->type == JPC_SEG_MQ) ? + dec_refpass(dec, cblk->mqdec, bpno, + (tile->cp->ccps[compno].cblkctx & JPC_COX_VSC) != 0, + cblk->flags, cblk->data) : + dec_rawrefpass(dec, cblk->nulldec, bpno, + (tile->cp->ccps[compno].cblkctx & JPC_COX_VSC) != 0, + cblk->flags, cblk->data); + break; + case JPC_CLNPASS: + assert(seg->type == JPC_SEG_MQ); + ret = dec_clnpass(dec, cblk->mqdec, bpno, + band->orient, (tile->cp->ccps[compno].cblkctx & + JPC_COX_VSC) != 0, (tile->cp->ccps[compno].cblkctx & + JPC_COX_SEGSYM) != 0, cblk->flags, + cblk->data); + break; + default: + ret = -1; + break; + } + /* Do we need to reset after each coding pass? */ + if (tile->cp->ccps[compno].cblkctx & JPC_COX_RESET) { + jpc_mqdec_setctxs(cblk->mqdec, JPC_NUMCTXS, jpc_mqctxs); + } + + if (ret) { + jas_eprintf("coding pass failed passtype=%d segtype=%d\n", passtype, seg->type); + return -1; + } + + } + + if (seg->type == JPC_SEG_MQ) { +/* Note: dont destroy mq decoder because context info will be lost */ + } else { + assert(seg->type == JPC_SEG_RAW); + if (tile->cp->ccps[compno].cblkctx & JPC_COX_PTERM) { + fillmask = 0x7f; + filldata = 0x2a; + } else { + fillmask = 0; + filldata = 0; + } + if ((ret = jpc_bitstream_inalign(cblk->nulldec, fillmask, + filldata)) < 0) { + return -1; + } else if (ret > 0) { + jas_eprintf("warning: bad termination pattern detected\n"); + } + jpc_bitstream_close(cblk->nulldec); + cblk->nulldec = 0; + } + + cblk->curseg = seg->next; + jpc_seglist_remove(&cblk->segs, seg); + jpc_seg_destroy(seg); + seg = cblk->curseg; + } + + assert(dopartial ? (!cblk->curseg) : 1); + +premature_exit: + return 0; +} + +/******************************************************************************\ +* Code for significance pass. +\******************************************************************************/ + +#define jpc_sigpass_step(fp, frowstep, dp, bitpos, oneplushalf, orient, mqdec, vcausalflag) \ +{ \ + int f; \ + int v; \ + f = *(fp); \ + if ((f & JPC_OTHSIGMSK) && !(f & (JPC_SIG | JPC_VISIT))) { \ + jpc_mqdec_setcurctx((mqdec), JPC_GETZCCTXNO(f, (orient))); \ + JPC_T1D_GETBIT((mqdec), v, "SIG", "ZC"); \ + if (v) { \ + jpc_mqdec_setcurctx((mqdec), JPC_GETSCCTXNO(f)); \ + JPC_T1D_GETBIT((mqdec), v, "SIG", "SC"); \ + v ^= JPC_GETSPB(f); \ + JPC_UPDATEFLAGS4((fp), (frowstep), v, (vcausalflag)); \ + *(fp) |= JPC_SIG; \ + *(dp) = (v) ? (-(oneplushalf)) : (oneplushalf); \ + } \ + *(fp) |= JPC_VISIT; \ + } \ +} + +static int dec_sigpass(jpc_dec_t *dec, register jpc_mqdec_t *mqdec, int bitpos, int orient, + int vcausalflag, jas_matrix_t *flags, jas_matrix_t *data) +{ + int i; + int j; + int one; + int half; + int oneplushalf; + int vscanlen; + int width; + int height; + jpc_fix_t *fp; + int frowstep; + int fstripestep; + jpc_fix_t *fstripestart; + jpc_fix_t *fvscanstart; + jpc_fix_t *dp; + int drowstep; + int dstripestep; + jpc_fix_t *dstripestart; + jpc_fix_t *dvscanstart; + int k; + + /* Avoid compiler warning about unused parameters. */ + dec = 0; + + width = jas_matrix_numcols(data); + height = jas_matrix_numrows(data); + frowstep = jas_matrix_rowstep(flags); + drowstep = jas_matrix_rowstep(data); + fstripestep = frowstep << 2; + dstripestep = drowstep << 2; + + one = 1 << bitpos; + half = one >> 1; + oneplushalf = one | half; + + fstripestart = jas_matrix_getref(flags, 1, 1); + dstripestart = jas_matrix_getref(data, 0, 0); + for (i = height; i > 0; i -= 4, fstripestart += fstripestep, + dstripestart += dstripestep) { + fvscanstart = fstripestart; + dvscanstart = dstripestart; + vscanlen = JAS_MIN(i, 4); + for (j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { + fp = fvscanstart; + dp = dvscanstart; + k = vscanlen; + + /* Process first sample in vertical scan. */ + jpc_sigpass_step(fp, frowstep, dp, bitpos, oneplushalf, + orient, mqdec, vcausalflag); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process second sample in vertical scan. */ + jpc_sigpass_step(fp, frowstep, dp, bitpos, oneplushalf, + orient, mqdec, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process third sample in vertical scan. */ + jpc_sigpass_step(fp, frowstep, dp, bitpos, oneplushalf, + orient, mqdec, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process fourth sample in vertical scan. */ + jpc_sigpass_step(fp, frowstep, dp, bitpos, oneplushalf, + orient, mqdec, 0); + } + } + return 0; +} + +#define jpc_rawsigpass_step(fp, frowstep, dp, oneplushalf, in, vcausalflag) \ +{ \ + jpc_fix_t f = *(fp); \ + jpc_fix_t v; \ + if ((f & JPC_OTHSIGMSK) && !(f & (JPC_SIG | JPC_VISIT))) { \ + JPC_T1D_RAWGETBIT(in, v, "SIG", "ZC"); \ + if (v < 0) { \ + return -1; \ + } \ + if (v) { \ + JPC_T1D_RAWGETBIT(in, v, "SIG", "SC"); \ + if (v < 0) { \ + return -1; \ + } \ + JPC_UPDATEFLAGS4((fp), (frowstep), v, (vcausalflag)); \ + *(fp) |= JPC_SIG; \ + *(dp) = v ? (-oneplushalf) : (oneplushalf); \ + } \ + *(fp) |= JPC_VISIT; \ + } \ +} + +static int dec_rawsigpass(jpc_dec_t *dec, jpc_bitstream_t *in, int bitpos, int vcausalflag, + jas_matrix_t *flags, jas_matrix_t *data) +{ + int i; + int j; + int k; + int one; + int half; + int oneplushalf; + int vscanlen; + int width; + int height; + jpc_fix_t *fp; + int frowstep; + int fstripestep; + jpc_fix_t *fstripestart; + jpc_fix_t *fvscanstart; + jpc_fix_t *dp; + int drowstep; + int dstripestep; + jpc_fix_t *dstripestart; + jpc_fix_t *dvscanstart; + + /* Avoid compiler warning about unused parameters. */ + dec = 0; + + width = jas_matrix_numcols(data); + height = jas_matrix_numrows(data); + frowstep = jas_matrix_rowstep(flags); + drowstep = jas_matrix_rowstep(data); + fstripestep = frowstep << 2; + dstripestep = drowstep << 2; + + one = 1 << bitpos; + half = one >> 1; + oneplushalf = one | half; + + fstripestart = jas_matrix_getref(flags, 1, 1); + dstripestart = jas_matrix_getref(data, 0, 0); + for (i = height; i > 0; i -= 4, fstripestart += fstripestep, + dstripestart += dstripestep) { + fvscanstart = fstripestart; + dvscanstart = dstripestart; + vscanlen = JAS_MIN(i, 4); + for (j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { + fp = fvscanstart; + dp = dvscanstart; + k = vscanlen; + + /* Process first sample in vertical scan. */ + jpc_rawsigpass_step(fp, frowstep, dp, oneplushalf, + in, vcausalflag); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process second sample in vertical scan. */ + jpc_rawsigpass_step(fp, frowstep, dp, oneplushalf, + in, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process third sample in vertical scan. */ + jpc_rawsigpass_step(fp, frowstep, dp, oneplushalf, + in, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process fourth sample in vertical scan. */ + jpc_rawsigpass_step(fp, frowstep, dp, oneplushalf, + in, 0); + + } + } + return 0; +} + +/******************************************************************************\ +* Code for refinement pass. +\******************************************************************************/ + +#define jpc_refpass_step(fp, dp, poshalf, neghalf, mqdec, vcausalflag) \ +{ \ + int v; \ + int t; \ + if (((*(fp)) & (JPC_SIG | JPC_VISIT)) == JPC_SIG) { \ + jpc_mqdec_setcurctx((mqdec), JPC_GETMAGCTXNO(*(fp))); \ + JPC_T1D_GETBITNOSKEW((mqdec), v, "REF", "MR"); \ + t = (v ? (poshalf) : (neghalf)); \ + *(dp) += (*(dp) < 0) ? (-t) : t; \ + *(fp) |= JPC_REFINE; \ + } \ +} + +static int dec_refpass(jpc_dec_t *dec, register jpc_mqdec_t *mqdec, int bitpos, + int vcausalflag, jas_matrix_t *flags, jas_matrix_t *data) +{ + int i; + int j; + int vscanlen; + int width; + int height; + int one; + int poshalf; + int neghalf; + jpc_fix_t *fp; + int frowstep; + int fstripestep; + jpc_fix_t *fstripestart; + jpc_fix_t *fvscanstart; + jpc_fix_t *dp; + int drowstep; + int dstripestep; + jpc_fix_t *dstripestart; + jpc_fix_t *dvscanstart; + int k; + + /* Avoid compiler warning about unused parameters. */ + dec = 0; + vcausalflag = 0; + + width = jas_matrix_numcols(data); + height = jas_matrix_numrows(data); + frowstep = jas_matrix_rowstep(flags); + drowstep = jas_matrix_rowstep(data); + fstripestep = frowstep << 2; + dstripestep = drowstep << 2; + + one = 1 << bitpos; + poshalf = one >> 1; + neghalf = (bitpos > 0) ? (-poshalf) : (-1); + + fstripestart = jas_matrix_getref(flags, 1, 1); + dstripestart = jas_matrix_getref(data, 0, 0); + for (i = height; i > 0; i -= 4, fstripestart += fstripestep, + dstripestart += dstripestep) { + fvscanstart = fstripestart; + dvscanstart = dstripestart; + vscanlen = JAS_MIN(i, 4); + for (j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { + fp = fvscanstart; + dp = dvscanstart; + k = vscanlen; + + /* Process first sample in vertical scan. */ + jpc_refpass_step(fp, dp, poshalf, neghalf, mqdec, + vcausalflag); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process second sample in vertical scan. */ + jpc_refpass_step(fp, dp, poshalf, neghalf, mqdec, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process third sample in vertical scan. */ + jpc_refpass_step(fp, dp, poshalf, neghalf, mqdec, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process fourth sample in vertical scan. */ + jpc_refpass_step(fp, dp, poshalf, neghalf, mqdec, 0); + } + } + + return 0; +} + +#define jpc_rawrefpass_step(fp, dp, poshalf, neghalf, in, vcausalflag) \ +{ \ + jpc_fix_t v; \ + jpc_fix_t t; \ + if (((*(fp)) & (JPC_SIG | JPC_VISIT)) == JPC_SIG) { \ + JPC_T1D_RAWGETBIT(in, v, "REF", "MAGREF"); \ + if (v < 0) { \ + return -1; \ + } \ + t = (v ? poshalf : neghalf); \ + *(dp) += (*(dp) < 0) ? (-t) : t; \ + *(fp) |= JPC_REFINE; \ + } \ +} + +static int dec_rawrefpass(jpc_dec_t *dec, jpc_bitstream_t *in, int bitpos, int vcausalflag, + jas_matrix_t *flags, jas_matrix_t *data) +{ + int i; + int j; + int k; + int vscanlen; + int width; + int height; + int one; + int poshalf; + int neghalf; + jpc_fix_t *fp; + int frowstep; + int fstripestep; + jpc_fix_t *fstripestart; + jpc_fix_t *fvscanstart; + jpc_fix_t *dp; + int drowstep; + int dstripestep; + jpc_fix_t *dstripestart; + jpc_fix_t *dvscanstart; + + /* Avoid compiler warning about unused parameters. */ + dec = 0; + vcausalflag = 0; + + width = jas_matrix_numcols(data); + height = jas_matrix_numrows(data); + frowstep = jas_matrix_rowstep(flags); + drowstep = jas_matrix_rowstep(data); + fstripestep = frowstep << 2; + dstripestep = drowstep << 2; + + one = 1 << bitpos; + poshalf = one >> 1; + neghalf = (bitpos > 0) ? (-poshalf) : (-1); + + fstripestart = jas_matrix_getref(flags, 1, 1); + dstripestart = jas_matrix_getref(data, 0, 0); + for (i = height; i > 0; i -= 4, fstripestart += fstripestep, + dstripestart += dstripestep) { + fvscanstart = fstripestart; + dvscanstart = dstripestart; + vscanlen = JAS_MIN(i, 4); + for (j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { + fp = fvscanstart; + dp = dvscanstart; + k = vscanlen; + + /* Process first sample in vertical scan. */ + jpc_rawrefpass_step(fp, dp, poshalf, neghalf, in, + vcausalflag); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process second sample in vertical scan. */ + jpc_rawrefpass_step(fp, dp, poshalf, neghalf, in, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process third sample in vertical scan. */ + jpc_rawrefpass_step(fp, dp, poshalf, neghalf, in, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process fourth sample in vertical scan. */ + jpc_rawrefpass_step(fp, dp, poshalf, neghalf, in, 0); + } + } + return 0; +} + +/******************************************************************************\ +* Code for cleanup pass. +\******************************************************************************/ + +#define jpc_clnpass_step(f, fp, frowstep, dp, oneplushalf, orient, mqdec, flabel, plabel, vcausalflag) \ +{ \ + int v; \ +flabel \ + if (!((f) & (JPC_SIG | JPC_VISIT))) { \ + jpc_mqdec_setcurctx((mqdec), JPC_GETZCCTXNO((f), (orient))); \ + JPC_T1D_GETBIT((mqdec), v, "CLN", "ZC"); \ + if (v) { \ +plabel \ + /* Coefficient is significant. */ \ + jpc_mqdec_setcurctx((mqdec), JPC_GETSCCTXNO(f)); \ + JPC_T1D_GETBIT((mqdec), v, "CLN", "SC"); \ + v ^= JPC_GETSPB(f); \ + *(dp) = (v) ? (-(oneplushalf)) : (oneplushalf); \ + JPC_UPDATEFLAGS4((fp), (frowstep), v, (vcausalflag)); \ + *(fp) |= JPC_SIG; \ + } \ + } \ + /* XXX - Is this correct? Can aggregation cause some VISIT bits not to be reset? Check. */ \ + *(fp) &= ~JPC_VISIT; \ +} + +static int dec_clnpass(jpc_dec_t *dec, register jpc_mqdec_t *mqdec, int bitpos, int orient, + int vcausalflag, int segsymflag, jas_matrix_t *flags, jas_matrix_t *data) +{ + int i; + int j; + int k; + int vscanlen; + int v; + int half; + int runlen; + int f; + int width; + int height; + int one; + int oneplushalf; + + jpc_fix_t *fp; + int frowstep; + int fstripestep; + jpc_fix_t *fstripestart; + jpc_fix_t *fvscanstart; + + jpc_fix_t *dp; + int drowstep; + int dstripestep; + jpc_fix_t *dstripestart; + jpc_fix_t *dvscanstart; + + /* Avoid compiler warning about unused parameters. */ + dec = 0; + + one = 1 << bitpos; + half = one >> 1; + oneplushalf = one | half; + + width = jas_matrix_numcols(data); + height = jas_matrix_numrows(data); + + frowstep = jas_matrix_rowstep(flags); + drowstep = jas_matrix_rowstep(data); + fstripestep = frowstep << 2; + dstripestep = drowstep << 2; + + fstripestart = jas_matrix_getref(flags, 1, 1); + dstripestart = jas_matrix_getref(data, 0, 0); + for (i = 0; i < height; i += 4, fstripestart += fstripestep, + dstripestart += dstripestep) { + fvscanstart = fstripestart; + dvscanstart = dstripestart; + vscanlen = JAS_MIN(4, height - i); + for (j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { + fp = fvscanstart; + if (vscanlen >= 4 && (!((*fp) & (JPC_SIG | JPC_VISIT | + JPC_OTHSIGMSK))) && (fp += frowstep, !((*fp) & (JPC_SIG | + JPC_VISIT | JPC_OTHSIGMSK))) && (fp += frowstep, !((*fp) & + (JPC_SIG | JPC_VISIT | JPC_OTHSIGMSK))) && (fp += frowstep, + !((*fp) & (JPC_SIG | JPC_VISIT | JPC_OTHSIGMSK)))) { + + jpc_mqdec_setcurctx(mqdec, JPC_AGGCTXNO); + JPC_T1D_GETBIT(mqdec, v, "CLN", "AGG"); + if (!v) { + continue; + } + jpc_mqdec_setcurctx(mqdec, JPC_UCTXNO); + JPC_T1D_GETBITNOSKEW(mqdec, v, "CLN", "RL"); + runlen = v; + JPC_T1D_GETBITNOSKEW(mqdec, v, "CLN", "RL"); + runlen = (runlen << 1) | v; + f = *(fp = fvscanstart + frowstep * runlen); + dp = dvscanstart + drowstep * runlen; + k = vscanlen - runlen; + switch (runlen) { + case 0: + goto clnpass_partial0; + break; + case 1: + goto clnpass_partial1; + break; + case 2: + goto clnpass_partial2; + break; + case 3: + goto clnpass_partial3; + break; + } + } else { + f = *(fp = fvscanstart); + dp = dvscanstart; + k = vscanlen; + goto clnpass_full0; + } + + /* Process first sample in vertical scan. */ + jpc_clnpass_step(f, fp, frowstep, dp, oneplushalf, orient, + mqdec, clnpass_full0:, clnpass_partial0:, + vcausalflag); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process second sample in vertical scan. */ + f = *fp; + jpc_clnpass_step(f, fp, frowstep, dp, oneplushalf, orient, + mqdec, ;, clnpass_partial1:, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process third sample in vertical scan. */ + f = *fp; + jpc_clnpass_step(f, fp, frowstep, dp, oneplushalf, orient, + mqdec, ;, clnpass_partial2:, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + /* Process fourth sample in vertical scan. */ + f = *fp; + jpc_clnpass_step(f, fp, frowstep, dp, oneplushalf, orient, + mqdec, ;, clnpass_partial3:, 0); + } + } + + if (segsymflag) { + int segsymval; + segsymval = 0; + jpc_mqdec_setcurctx(mqdec, JPC_UCTXNO); + JPC_T1D_GETBITNOSKEW(mqdec, v, "CLN", "SEGSYM"); + segsymval = (segsymval << 1) | (v & 1); + JPC_T1D_GETBITNOSKEW(mqdec, v, "CLN", "SEGSYM"); + segsymval = (segsymval << 1) | (v & 1); + JPC_T1D_GETBITNOSKEW(mqdec, v, "CLN", "SEGSYM"); + segsymval = (segsymval << 1) | (v & 1); + JPC_T1D_GETBITNOSKEW(mqdec, v, "CLN", "SEGSYM"); + segsymval = (segsymval << 1) | (v & 1); + if (segsymval != 0xa) { + jas_eprintf("warning: bad segmentation symbol\n"); + } + } + + return 0; +} diff --git a/src/libjasper/jpc/jpc_t1dec.h b/src/libjasper/jpc/jpc_t1dec.h new file mode 100644 index 0000000..133dff8 --- /dev/null +++ b/src/libjasper/jpc/jpc_t1dec.h @@ -0,0 +1,88 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tier 1 Decoder + * + * $Id: jpc_t1dec.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_T1DEC_H +#define JPC_T1DEC_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jpc_dec.h" +#include "jpc_mqdec.h" +#include "jpc_t1cod.h" + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +/* Decode all of the code blocks for a particular tile. */ +int jpc_dec_decodecblks(jpc_dec_t *dec, jpc_dec_tile_t *tile); + +#endif diff --git a/src/libjasper/jpc/jpc_t1enc.c b/src/libjasper/jpc/jpc_t1enc.c new file mode 100644 index 0000000..b7cc171 --- /dev/null +++ b/src/libjasper/jpc/jpc_t1enc.c @@ -0,0 +1,964 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tier 1 Encoder + * + * $Id: jpc_t1enc.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> + +#include "jasper/jas_fix.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_math.h" + +#include "jpc_t1enc.h" +#include "jpc_t1cod.h" +#include "jpc_enc.h" +#include "jpc_cod.h" +#include "jpc_math.h" + +static int jpc_encsigpass(jpc_mqenc_t *mqenc, int bitpos, int orient, int, + jas_matrix_t *flags, jas_matrix_t *data, int term, long *nmsedec); + +static int jpc_encrefpass(jpc_mqenc_t *mqenc, int bitpos, int, jas_matrix_t *flags, + jas_matrix_t *data, int term, long *nmsedec); + +static int jpc_encclnpass(jpc_mqenc_t *mqenc, int bitpos, int orient, int, + int, jas_matrix_t *flags, jas_matrix_t *data, int term, long *nmsedec); + +static int jpc_encrawsigpass(jpc_bitstream_t *out, int bitpos, int, + jas_matrix_t *flags, jas_matrix_t *data, int term, long *nmsedec); + +static int jpc_encrawrefpass(jpc_bitstream_t *out, int bitpos, int, + jas_matrix_t *flags, jas_matrix_t *data, int term, long *nmsedec); + +/******************************************************************************\ +* Code for encoding code blocks. +\******************************************************************************/ + +/* Encode all of the code blocks associated with the current tile. */ +int jpc_enc_enccblks(jpc_enc_t *enc) +{ + jpc_enc_tcmpt_t *tcmpt; + jpc_enc_tcmpt_t *endcomps; + jpc_enc_rlvl_t *lvl; + jpc_enc_rlvl_t *endlvls; + jpc_enc_band_t *band; + jpc_enc_band_t *endbands; + jpc_enc_cblk_t *cblk; + jpc_enc_cblk_t *endcblks; + int i; + int j; + int mx; + int bmx; + int v; + jpc_enc_tile_t *tile; + uint_fast32_t prcno; + jpc_enc_prc_t *prc; + + tile = enc->curtile; + + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (tcmpt = tile->tcmpts; tcmpt != endcomps; ++tcmpt) { + endlvls = &tcmpt->rlvls[tcmpt->numrlvls]; + for (lvl = tcmpt->rlvls; lvl != endlvls; ++lvl) { + + // GeoJasper: dima - progress + jas_do_progress( (int) lvl, (int) (endlvls-1), "jpc: encode" ); + if (jas_test_abort() == 1) return -1; + + if (!lvl->bands) { + continue; + } + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { + if (!prc->cblks) { + continue; + } + bmx = 0; + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + mx = 0; + for (i = 0; i < jas_matrix_numrows(cblk->data); ++i) { + for (j = 0; j < jas_matrix_numcols(cblk->data); ++j) { + v = abs(jas_matrix_get(cblk->data, i, j)); + if (v > mx) { + mx = v; + } + } + } + if (mx > bmx) { + bmx = mx; + } + cblk->numbps = JAS_MAX(jpc_firstone(mx) + 1 - JPC_NUMEXTRABITS, 0); + } + + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + cblk->numimsbs = band->numbps - cblk->numbps; + assert(cblk->numimsbs >= 0); + } + + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + if (jpc_enc_enccblk(enc, cblk->stream, tcmpt, band, cblk)) { + return -1; + } + } + } + } + } + } + return 0; +} + +int getthebyte(jas_stream_t *in, long off) +{ + int c; + long oldpos; + oldpos = jas_stream_tell(in); + assert(oldpos >= 0); + jas_stream_seek(in, off, SEEK_SET); + c = jas_stream_peekc(in); + jas_stream_seek(in, oldpos, SEEK_SET); + return c; +} + +/* Encode a single code block. */ +int jpc_enc_enccblk(jpc_enc_t *enc, jas_stream_t *out, jpc_enc_tcmpt_t *tcmpt, jpc_enc_band_t *band, jpc_enc_cblk_t *cblk) +{ + jpc_enc_pass_t *pass; + jpc_enc_pass_t *endpasses; + int bitpos; + int n; + int adjust; + int ret; + int passtype; + int t; + jpc_bitstream_t *bout; + jpc_enc_pass_t *termpass; + jpc_enc_rlvl_t *rlvl; + int vcausal; + int segsym; + int termmode; + int c; + + bout = 0; + rlvl = band->rlvl; + + cblk->stream = jas_stream_memopen(0, 0); + assert(cblk->stream); + cblk->mqenc = jpc_mqenc_create(JPC_NUMCTXS, cblk->stream); + assert(cblk->mqenc); + jpc_mqenc_setctxs(cblk->mqenc, JPC_NUMCTXS, jpc_mqctxs); + + cblk->numpasses = (cblk->numbps > 0) ? (3 * cblk->numbps - 2) : 0; + if (cblk->numpasses > 0) { + cblk->passes = jas_malloc(cblk->numpasses * sizeof(jpc_enc_pass_t)); + assert(cblk->passes); + } else { + cblk->passes = 0; + } + endpasses = &cblk->passes[cblk->numpasses]; + for (pass = cblk->passes; pass != endpasses; ++pass) { + pass->start = 0; + pass->end = 0; + pass->term = JPC_ISTERMINATED(pass - cblk->passes, 0, cblk->numpasses, (tcmpt->cblksty & JPC_COX_TERMALL) != 0, (tcmpt->cblksty & JPC_COX_LAZY) != 0); + pass->type = JPC_SEGTYPE(pass - cblk->passes, 0, (tcmpt->cblksty & JPC_COX_LAZY) != 0); + pass->lyrno = -1; +if (pass == endpasses - 1) { +assert(pass->term == 1); + pass->term = 1; +} + } + + cblk->flags = jas_matrix_create(jas_matrix_numrows(cblk->data) + 2, + jas_matrix_numcols(cblk->data) + 2); + assert(cblk->flags); + + + bitpos = cblk->numbps - 1; + pass = cblk->passes; + n = cblk->numpasses; + while (--n >= 0) { + + if (pass->type == JPC_SEG_MQ) { + /* NOP */ + } else { + assert(pass->type == JPC_SEG_RAW); + if (!bout) { + bout = jpc_bitstream_sopen(cblk->stream, "w"); + assert(bout); + } + } + +#if 1 + passtype = (pass - cblk->passes + 2) % 3; +#else + passtype = JPC_PASSTYPE(pass - cblk->passes + 2); +#endif + pass->start = jas_stream_tell(cblk->stream); +#if 0 +assert(jas_stream_tell(cblk->stream) == jas_stream_getrwcount(cblk->stream)); +#endif + assert(bitpos >= 0); + vcausal = (tcmpt->cblksty & JPC_COX_VSC) != 0; + segsym = (tcmpt->cblksty & JPC_COX_SEGSYM) != 0; + if (pass->term) { + termmode = ((tcmpt->cblksty & JPC_COX_PTERM) ? + JPC_MQENC_PTERM : JPC_MQENC_DEFTERM) + 1; + } else { + termmode = 0; + } + switch (passtype) { + case JPC_SIGPASS: + ret = (pass->type == JPC_SEG_MQ) ? jpc_encsigpass(cblk->mqenc, + bitpos, band->orient, vcausal, cblk->flags, + cblk->data, termmode, &pass->nmsedec) : + jpc_encrawsigpass(bout, bitpos, vcausal, cblk->flags, + cblk->data, termmode, &pass->nmsedec); + break; + case JPC_REFPASS: + ret = (pass->type == JPC_SEG_MQ) ? jpc_encrefpass(cblk->mqenc, + bitpos, vcausal, cblk->flags, cblk->data, termmode, + &pass->nmsedec) : jpc_encrawrefpass(bout, bitpos, + vcausal, cblk->flags, cblk->data, termmode, + &pass->nmsedec); + break; + case JPC_CLNPASS: + assert(pass->type == JPC_SEG_MQ); + ret = jpc_encclnpass(cblk->mqenc, bitpos, band->orient, + vcausal, segsym, cblk->flags, cblk->data, termmode, + &pass->nmsedec); + break; + default: + assert(0); + break; + } + + if (pass->type == JPC_SEG_MQ) { + if (pass->term) { + jpc_mqenc_init(cblk->mqenc); + } + jpc_mqenc_getstate(cblk->mqenc, &pass->mqencstate); + pass->end = jas_stream_tell(cblk->stream); + if (tcmpt->cblksty & JPC_COX_RESET) { + jpc_mqenc_setctxs(cblk->mqenc, JPC_NUMCTXS, jpc_mqctxs); + } + } else { + if (pass->term) { + if (jpc_bitstream_pending(bout)) { + jpc_bitstream_outalign(bout, 0x2a); + } + jpc_bitstream_close(bout); + bout = 0; + pass->end = jas_stream_tell(cblk->stream); + } else { + pass->end = jas_stream_tell(cblk->stream) + + jpc_bitstream_pending(bout); +/* NOTE - This will not work. need to adjust by # of pending output bytes */ + } + } +#if 0 +/* XXX - This assertion fails sometimes when various coding modes are used. +This seems to be harmless, but why does it happen at all? */ +assert(jas_stream_tell(cblk->stream) == jas_stream_getrwcount(cblk->stream)); +#endif + + pass->wmsedec = jpc_fixtodbl(band->rlvl->tcmpt->synweight) * + jpc_fixtodbl(band->rlvl->tcmpt->synweight) * + jpc_fixtodbl(band->synweight) * + jpc_fixtodbl(band->synweight) * + jpc_fixtodbl(band->absstepsize) * jpc_fixtodbl(band->absstepsize) * + ((double) (1 << bitpos)) * ((double)(1 << bitpos)) * + jpc_fixtodbl(pass->nmsedec); + pass->cumwmsedec = pass->wmsedec; + if (pass != cblk->passes) { + pass->cumwmsedec += pass[-1].cumwmsedec; + } + if (passtype == JPC_CLNPASS) { + --bitpos; + } + ++pass; + } + +#if 0 +dump_passes(cblk->passes, cblk->numpasses, cblk); +#endif + + n = 0; + endpasses = &cblk->passes[cblk->numpasses]; + for (pass = cblk->passes; pass != endpasses; ++pass) { + if (pass->start < n) { + pass->start = n; + } + if (pass->end < n) { + pass->end = n; + } + if (!pass->term) { + termpass = pass; + while (termpass - pass < cblk->numpasses && + !termpass->term) { + ++termpass; + } + if (pass->type == JPC_SEG_MQ) { + t = (pass->mqencstate.lastbyte == 0xff) ? 1 : 0; + if (pass->mqencstate.ctreg >= 5) { + adjust = 4 + t; + } else { + adjust = 5 + t; + } + pass->end += adjust; + } + if (pass->end > termpass->end) { + pass->end = termpass->end; + } + if ((c = getthebyte(cblk->stream, pass->end - 1)) == EOF) { + abort(); + } + if (c == 0xff) { + ++pass->end; + } + n = JAS_MAX(n, pass->end); + } else { + n = JAS_MAX(n, pass->end); + } + } + +#if 0 +dump_passes(cblk->passes, cblk->numpasses, cblk); +#endif + + if (bout) { + jpc_bitstream_close(bout); + } + + return 0; +} + +/******************************************************************************\ +* Code for significance pass. +\******************************************************************************/ + +#define sigpass_step(fp, frowstep, dp, bitpos, one, nmsedec, orient, mqenc, vcausalflag) \ +{ \ + int f; \ + int v; \ + f = *(fp); \ + if ((f & JPC_OTHSIGMSK) && !(f & (JPC_SIG | JPC_VISIT))) { \ + v = (abs(*(dp)) & (one)) ? 1 : 0; \ + jpc_mqenc_setcurctx(mqenc, JPC_GETZCCTXNO(f, (orient))); \ + jpc_mqenc_putbit(mqenc, v); \ + if (v) { \ + *(nmsedec) += JPC_GETSIGNMSEDEC(abs(*(dp)), (bitpos) + JPC_NUMEXTRABITS); \ + v = ((*(dp) < 0) ? 1 : 0); \ + jpc_mqenc_setcurctx(mqenc, JPC_GETSCCTXNO(f)); \ + jpc_mqenc_putbit(mqenc, v ^ JPC_GETSPB(f)); \ + JPC_UPDATEFLAGS4(fp, frowstep, v, vcausalflag); \ + *(fp) |= JPC_SIG; \ + } \ + *(fp) |= JPC_VISIT; \ + } \ +} + +static int jpc_encsigpass(jpc_mqenc_t *mqenc, int bitpos, int orient, int vcausalflag, + jas_matrix_t *flags, jas_matrix_t *data, int term, long *nmsedec) +{ + int i; + int j; + int one; + int vscanlen; + int width; + int height; + int frowstep; + int drowstep; + int fstripestep; + int dstripestep; + jpc_fix_t *fstripestart; + jpc_fix_t *dstripestart; + jpc_fix_t *fp; + jpc_fix_t *dp; + jpc_fix_t *fvscanstart; + jpc_fix_t *dvscanstart; + int k; + + *nmsedec = 0; + width = jas_matrix_numcols(data); + height = jas_matrix_numrows(data); + frowstep = jas_matrix_rowstep(flags); + drowstep = jas_matrix_rowstep(data); + fstripestep = frowstep << 2; + dstripestep = drowstep << 2; + + one = 1 << (bitpos + JPC_NUMEXTRABITS); + + fstripestart = jas_matrix_getref(flags, 1, 1); + dstripestart = jas_matrix_getref(data, 0, 0); + for (i = height; i > 0; i -= 4, fstripestart += fstripestep, + dstripestart += dstripestep) { + fvscanstart = fstripestart; + dvscanstart = dstripestart; + vscanlen = JAS_MIN(i, 4); + for (j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { + fp = fvscanstart; + dp = dvscanstart; + k = vscanlen; + + sigpass_step(fp, frowstep, dp, bitpos, one, + nmsedec, orient, mqenc, vcausalflag); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + sigpass_step(fp, frowstep, dp, bitpos, one, + nmsedec, orient, mqenc, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + sigpass_step(fp, frowstep, dp, bitpos, one, + nmsedec, orient, mqenc, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + sigpass_step(fp, frowstep, dp, bitpos, one, + nmsedec, orient, mqenc, 0); + + } + } + + if (term) { + jpc_mqenc_flush(mqenc, term - 1); + } + + return jpc_mqenc_error(mqenc) ? (-1) : 0; +} + +#define rawsigpass_step(fp, frowstep, dp, bitpos, one, nmsedec, out, vcausalflag) \ +{ \ + jpc_fix_t f = *(fp); \ + jpc_fix_t v; \ + if ((f & JPC_OTHSIGMSK) && !(f & (JPC_SIG | JPC_VISIT))) { \ + v = (abs(*(dp)) & (one)) ? 1 : 0; \ + if ((jpc_bitstream_putbit((out), v)) == EOF) { \ + return -1; \ + } \ + if (v) { \ + *(nmsedec) += JPC_GETSIGNMSEDEC(abs(*(dp)), (bitpos) + JPC_NUMEXTRABITS); \ + v = ((*(dp) < 0) ? 1 : 0); \ + if (jpc_bitstream_putbit(out, v) == EOF) { \ + return -1; \ + } \ + JPC_UPDATEFLAGS4(fp, frowstep, v, vcausalflag); \ + *(fp) |= JPC_SIG; \ + } \ + *(fp) |= JPC_VISIT; \ + } \ +} + +static int jpc_encrawsigpass(jpc_bitstream_t *out, int bitpos, int vcausalflag, jas_matrix_t *flags, + jas_matrix_t *data, int term, long *nmsedec) +{ + int i; + int j; + int k; + int one; + int vscanlen; + int width; + int height; + int frowstep; + int drowstep; + int fstripestep; + int dstripestep; + jpc_fix_t *fstripestart; + jpc_fix_t *dstripestart; + jpc_fix_t *fp; + jpc_fix_t *dp; + jpc_fix_t *fvscanstart; + jpc_fix_t *dvscanstart; + + *nmsedec = 0; + width = jas_matrix_numcols(data); + height = jas_matrix_numrows(data); + frowstep = jas_matrix_rowstep(flags); + drowstep = jas_matrix_rowstep(data); + fstripestep = frowstep << 2; + dstripestep = drowstep << 2; + + one = 1 << (bitpos + JPC_NUMEXTRABITS); + + fstripestart = jas_matrix_getref(flags, 1, 1); + dstripestart = jas_matrix_getref(data, 0, 0); + for (i = height; i > 0; i -= 4, fstripestart += fstripestep, + dstripestart += dstripestep) { + fvscanstart = fstripestart; + dvscanstart = dstripestart; + vscanlen = JAS_MIN(i, 4); + for (j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { + fp = fvscanstart; + dp = dvscanstart; + k = vscanlen; + + rawsigpass_step(fp, frowstep, dp, bitpos, one, + nmsedec, out, vcausalflag); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + rawsigpass_step(fp, frowstep, dp, bitpos, one, + nmsedec, out, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + rawsigpass_step(fp, frowstep, dp, bitpos, one, + nmsedec, out, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + rawsigpass_step(fp, frowstep, dp, bitpos, one, + nmsedec, out, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + + } + } + + if (term) { + jpc_bitstream_outalign(out, 0x2a); + } + + return 0; +} + +/******************************************************************************\ +* Code for refinement pass. +\******************************************************************************/ + +#define refpass_step(fp, dp, bitpos, one, nmsedec, mqenc, vcausalflag) \ +{ \ + int v; \ + if (((*(fp)) & (JPC_SIG | JPC_VISIT)) == JPC_SIG) { \ + (d) = *(dp); \ + *(nmsedec) += JPC_GETREFNMSEDEC(abs(d), (bitpos) + JPC_NUMEXTRABITS); \ + jpc_mqenc_setcurctx((mqenc), JPC_GETMAGCTXNO(*(fp))); \ + v = (abs(d) & (one)) ? 1 : 0; \ + jpc_mqenc_putbit((mqenc), v); \ + *(fp) |= JPC_REFINE; \ + } \ +} + +static int jpc_encrefpass(jpc_mqenc_t *mqenc, int bitpos, int vcausalflag, jas_matrix_t *flags, jas_matrix_t *data, + int term, long *nmsedec) +{ + int i; + int j; + int one; + int vscanlen; + int d; + int width; + int height; + int frowstep; + int drowstep; + int fstripestep; + int dstripestep; + jpc_fix_t *fstripestart; + jpc_fix_t *dstripestart; + jpc_fix_t *fvscanstart; + jpc_fix_t *dvscanstart; + jpc_fix_t *dp; + jpc_fix_t *fp; +int k; + + *nmsedec = 0; + width = jas_matrix_numcols(data); + height = jas_matrix_numrows(data); + frowstep = jas_matrix_rowstep(flags); + drowstep = jas_matrix_rowstep(data); + fstripestep = frowstep << 2; + dstripestep = drowstep << 2; + + one = 1 << (bitpos + JPC_NUMEXTRABITS); + + fstripestart = jas_matrix_getref(flags, 1, 1); + dstripestart = jas_matrix_getref(data, 0, 0); + for (i = height; i > 0; i -= 4, fstripestart += fstripestep, + dstripestart += dstripestep) { + fvscanstart = fstripestart; + dvscanstart = dstripestart; + vscanlen = JAS_MIN(i, 4); + for (j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { + fp = fvscanstart; + dp = dvscanstart; + k = vscanlen; + + refpass_step(fp, dp, bitpos, one, nmsedec, + mqenc, vcausalflag); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + refpass_step(fp, dp, bitpos, one, nmsedec, + mqenc, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + refpass_step(fp, dp, bitpos, one, nmsedec, + mqenc, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + refpass_step(fp, dp, bitpos, one, nmsedec, + mqenc, 0); + + } + } + + if (term) { + jpc_mqenc_flush(mqenc, term - 1); + } + + return jpc_mqenc_error(mqenc) ? (-1) : 0; +} + +#define rawrefpass_step(fp, dp, bitpos, one, nmsedec, out, vcausalflag) \ +{ \ + jpc_fix_t d; \ + jpc_fix_t v; \ + if (((*(fp)) & (JPC_SIG | JPC_VISIT)) == JPC_SIG) { \ + d = *(dp); \ + *(nmsedec) += JPC_GETREFNMSEDEC(abs(d), (bitpos) + JPC_NUMEXTRABITS); \ + v = (abs(d) & (one)) ? 1 : 0; \ + if (jpc_bitstream_putbit((out), v) == EOF) { \ + return -1; \ + } \ + *(fp) |= JPC_REFINE; \ + } \ +} + +static int jpc_encrawrefpass(jpc_bitstream_t *out, int bitpos, int vcausalflag, jas_matrix_t *flags, + jas_matrix_t *data, int term, long *nmsedec) +{ + int i; + int j; + int k; + int one; + int vscanlen; + int width; + int height; + int frowstep; + int drowstep; + int fstripestep; + int dstripestep; + jpc_fix_t *fstripestart; + jpc_fix_t *dstripestart; + jpc_fix_t *fvscanstart; + jpc_fix_t *dvscanstart; + jpc_fix_t *dp; + jpc_fix_t *fp; + + *nmsedec = 0; + width = jas_matrix_numcols(data); + height = jas_matrix_numrows(data); + frowstep = jas_matrix_rowstep(flags); + drowstep = jas_matrix_rowstep(data); + fstripestep = frowstep << 2; + dstripestep = drowstep << 2; + + one = 1 << (bitpos + JPC_NUMEXTRABITS); + + fstripestart = jas_matrix_getref(flags, 1, 1); + dstripestart = jas_matrix_getref(data, 0, 0); + for (i = height; i > 0; i -= 4, fstripestart += fstripestep, + dstripestart += dstripestep) { + fvscanstart = fstripestart; + dvscanstart = dstripestart; + vscanlen = JAS_MIN(i, 4); + for (j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { + fp = fvscanstart; + dp = dvscanstart; + k = vscanlen; + + rawrefpass_step(fp, dp, bitpos, one, nmsedec, + out, vcausalflag); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + rawrefpass_step(fp, dp, bitpos, one, nmsedec, + out, vcausalflag); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + rawrefpass_step(fp, dp, bitpos, one, nmsedec, + out, vcausalflag); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + rawrefpass_step(fp, dp, bitpos, one, nmsedec, + out, vcausalflag); + + } + } + + if (term) { + jpc_bitstream_outalign(out, 0x2a); + } + + return 0; +} + +/******************************************************************************\ +* Code for cleanup pass. +\******************************************************************************/ + +#define clnpass_step(fp, frowstep, dp, bitpos, one, orient, nmsedec, mqenc, label1, label2, vcausalflag) \ +{ \ + int f; \ + int v; \ +label1 \ + f = *(fp); \ + if (!(f & (JPC_SIG | JPC_VISIT))) { \ + jpc_mqenc_setcurctx(mqenc, JPC_GETZCCTXNO(f, (orient))); \ + v = (abs(*(dp)) & (one)) ? 1 : 0; \ + jpc_mqenc_putbit((mqenc), v); \ + if (v) { \ +label2 \ + f = *(fp); \ + /* Coefficient is significant. */ \ + *(nmsedec) += JPC_GETSIGNMSEDEC(abs(*(dp)), (bitpos) + JPC_NUMEXTRABITS); \ + jpc_mqenc_setcurctx((mqenc), JPC_GETSCCTXNO(f)); \ + v = ((*(dp) < 0) ? 1 : 0); \ + jpc_mqenc_putbit((mqenc), v ^ JPC_GETSPB(f)); \ + JPC_UPDATEFLAGS4((fp), (frowstep), v, vcausalflag); \ + *(fp) |= JPC_SIG; \ + } \ + } \ + *(fp) &= ~JPC_VISIT; \ +} + +static int jpc_encclnpass(jpc_mqenc_t *mqenc, int bitpos, int orient, int vcausalflag, int segsymflag, jas_matrix_t *flags, + jas_matrix_t *data, int term, long *nmsedec) +{ + int i; + int j; + int k; + int vscanlen; + int v; + int runlen; + jpc_fix_t *fp; + int width; + int height; + jpc_fix_t *dp; + int one; + int frowstep; + int drowstep; + int fstripestep; + int dstripestep; + jpc_fix_t *fstripestart; + jpc_fix_t *dstripestart; + jpc_fix_t *fvscanstart; + jpc_fix_t *dvscanstart; + + *nmsedec = 0; + width = jas_matrix_numcols(data); + height = jas_matrix_numrows(data); + frowstep = jas_matrix_rowstep(flags); + drowstep = jas_matrix_rowstep(data); + fstripestep = frowstep << 2; + dstripestep = drowstep << 2; + + one = 1 << (bitpos + JPC_NUMEXTRABITS); + + fstripestart = jas_matrix_getref(flags, 1, 1); + dstripestart = jas_matrix_getref(data, 0, 0); + for (i = height; i > 0; i -= 4, fstripestart += fstripestep, + dstripestart += dstripestep) { + fvscanstart = fstripestart; + dvscanstart = dstripestart; + vscanlen = JAS_MIN(i, 4); + for (j = width; j > 0; --j, ++fvscanstart, ++dvscanstart) { + + fp = fvscanstart; + if (vscanlen >= 4 && !((*fp) & (JPC_SIG | JPC_VISIT | + JPC_OTHSIGMSK)) && (fp += frowstep, !((*fp) & (JPC_SIG | + JPC_VISIT | JPC_OTHSIGMSK))) && (fp += frowstep, !((*fp) & + (JPC_SIG | JPC_VISIT | JPC_OTHSIGMSK))) && (fp += frowstep, + !((*fp) & (JPC_SIG | JPC_VISIT | JPC_OTHSIGMSK)))) { + dp = dvscanstart; + for (k = 0; k < vscanlen; ++k) { + v = (abs(*dp) & one) ? 1 : 0; + if (v) { + break; + } + dp += drowstep; + } + runlen = k; + if (runlen >= 4) { + jpc_mqenc_setcurctx(mqenc, JPC_AGGCTXNO); + jpc_mqenc_putbit(mqenc, 0); + continue; + } + jpc_mqenc_setcurctx(mqenc, JPC_AGGCTXNO); + jpc_mqenc_putbit(mqenc, 1); + jpc_mqenc_setcurctx(mqenc, JPC_UCTXNO); + jpc_mqenc_putbit(mqenc, runlen >> 1); + jpc_mqenc_putbit(mqenc, runlen & 1); + fp = fvscanstart + frowstep * runlen; + dp = dvscanstart + drowstep * runlen; + k = vscanlen - runlen; + switch (runlen) { + case 0: + goto clnpass_partial0; + break; + case 1: + goto clnpass_partial1; + break; + case 2: + goto clnpass_partial2; + break; + case 3: + goto clnpass_partial3; + break; + } + } else { + runlen = 0; + fp = fvscanstart; + dp = dvscanstart; + k = vscanlen; + goto clnpass_full0; + } + clnpass_step(fp, frowstep, dp, bitpos, one, + orient, nmsedec, mqenc, clnpass_full0:, clnpass_partial0:, vcausalflag); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + clnpass_step(fp, frowstep, dp, bitpos, one, + orient, nmsedec, mqenc, ;, clnpass_partial1:, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + clnpass_step(fp, frowstep, dp, bitpos, one, + orient, nmsedec, mqenc, ;, clnpass_partial2:, 0); + if (--k <= 0) { + continue; + } + fp += frowstep; + dp += drowstep; + clnpass_step(fp, frowstep, dp, bitpos, one, + orient, nmsedec, mqenc, ;, clnpass_partial3:, 0); + } + } + + if (segsymflag) { + jpc_mqenc_setcurctx(mqenc, JPC_UCTXNO); + jpc_mqenc_putbit(mqenc, 1); + jpc_mqenc_putbit(mqenc, 0); + jpc_mqenc_putbit(mqenc, 1); + jpc_mqenc_putbit(mqenc, 0); + } + + if (term) { + jpc_mqenc_flush(mqenc, term - 1); + } + + return jpc_mqenc_error(mqenc) ? (-1) : 0; +} diff --git a/src/libjasper/jpc/jpc_t1enc.h b/src/libjasper/jpc/jpc_t1enc.h new file mode 100644 index 0000000..5cdf6fa --- /dev/null +++ b/src/libjasper/jpc/jpc_t1enc.h @@ -0,0 +1,93 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tier 1 Encoder + * + * $Id: jpc_t1enc.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_T1ENC_H +#define JPC_T1ENC_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_seq.h" + +#include "jpc_enc.h" +#include "jpc_t1cod.h" + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +/* Encode all of the code blocks. */ +int jpc_enc_enccblks(jpc_enc_t *enc); + +/* Encode a single code block. */ +int jpc_enc_enccblk(jpc_enc_t *enc, jas_stream_t *out, jpc_enc_tcmpt_t *comp, + jpc_enc_band_t *band, jpc_enc_cblk_t *cblk); + +#endif diff --git a/src/libjasper/jpc/jpc_t2cod.c b/src/libjasper/jpc/jpc_t2cod.c new file mode 100644 index 0000000..a186d35 --- /dev/null +++ b/src/libjasper/jpc/jpc_t2cod.c @@ -0,0 +1,684 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tier-2 Coding Library + * + * $Id: jpc_t2cod.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#include "jasper/jas_math.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_math.h" + +#include "jpc_cs.h" +#include "jpc_t2cod.h" +#include "jpc_math.h" + +static int jpc_pi_nextlrcp(jpc_pi_t *pi); +static int jpc_pi_nextrlcp(jpc_pi_t *pi); +static int jpc_pi_nextrpcl(jpc_pi_t *pi); +static int jpc_pi_nextpcrl(jpc_pi_t *pi); +static int jpc_pi_nextcprl(jpc_pi_t *pi); + +int jpc_pi_next(jpc_pi_t *pi) +{ + jpc_pchg_t *pchg; + int ret; + + + for (;;) { + + pi->valid = false; + + if (!pi->pchg) { + ++pi->pchgno; + pi->compno = 0; + pi->rlvlno = 0; + pi->prcno = 0; + pi->lyrno = 0; + pi->prgvolfirst = true; + if (pi->pchgno < jpc_pchglist_numpchgs(pi->pchglist)) { + pi->pchg = jpc_pchglist_get(pi->pchglist, pi->pchgno); + } else if (pi->pchgno == jpc_pchglist_numpchgs(pi->pchglist)) { + pi->pchg = &pi->defaultpchg; + } else { + return 1; + } + } + + pchg = pi->pchg; + switch (pchg->prgord) { + case JPC_COD_LRCPPRG: + ret = jpc_pi_nextlrcp(pi); + break; + case JPC_COD_RLCPPRG: + ret = jpc_pi_nextrlcp(pi); + break; + case JPC_COD_RPCLPRG: + ret = jpc_pi_nextrpcl(pi); + break; + case JPC_COD_PCRLPRG: + ret = jpc_pi_nextpcrl(pi); + break; + case JPC_COD_CPRLPRG: + ret = jpc_pi_nextcprl(pi); + break; + default: + ret = -1; + break; + } + if (!ret) { + pi->valid = true; + ++pi->pktno; + return 0; + } + pi->pchg = 0; + } +} + +static int jpc_pi_nextlrcp(register jpc_pi_t *pi) +{ + jpc_pchg_t *pchg; + int *prclyrno; + + pchg = pi->pchg; + if (!pi->prgvolfirst) { + prclyrno = &pi->pirlvl->prclyrnos[pi->prcno]; + goto skip; + } else { + pi->prgvolfirst = false; + } + + for (pi->lyrno = 0; pi->lyrno < pi->numlyrs && pi->lyrno < + JAS_CAST(int, pchg->lyrnoend); ++pi->lyrno) { + for (pi->rlvlno = pchg->rlvlnostart; pi->rlvlno < pi->maxrlvls && + pi->rlvlno < pchg->rlvlnoend; ++pi->rlvlno) { + for (pi->compno = pchg->compnostart, pi->picomp = + &pi->picomps[pi->compno]; pi->compno < pi->numcomps + && pi->compno < JAS_CAST(int, pchg->compnoend); ++pi->compno, + ++pi->picomp) { + if (pi->rlvlno >= pi->picomp->numrlvls) { + continue; + } + pi->pirlvl = &pi->picomp->pirlvls[pi->rlvlno]; + for (pi->prcno = 0, prclyrno = + pi->pirlvl->prclyrnos; pi->prcno < + pi->pirlvl->numprcs; ++pi->prcno, + ++prclyrno) { + if (pi->lyrno >= *prclyrno) { + *prclyrno = pi->lyrno; + ++(*prclyrno); + return 0; + } +skip: + ; + } + } + } + } + return 1; +} + +static int jpc_pi_nextrlcp(register jpc_pi_t *pi) +{ + jpc_pchg_t *pchg; + int *prclyrno; + + pchg = pi->pchg; + if (!pi->prgvolfirst) { + assert(pi->prcno < pi->pirlvl->numprcs); + prclyrno = &pi->pirlvl->prclyrnos[pi->prcno]; + goto skip; + } else { + pi->prgvolfirst = 0; + } + + for (pi->rlvlno = pchg->rlvlnostart; pi->rlvlno < pi->maxrlvls && + pi->rlvlno < pchg->rlvlnoend; ++pi->rlvlno) { + for (pi->lyrno = 0; pi->lyrno < pi->numlyrs && pi->lyrno < + JAS_CAST(int, pchg->lyrnoend); ++pi->lyrno) { + for (pi->compno = pchg->compnostart, pi->picomp = + &pi->picomps[pi->compno]; pi->compno < pi->numcomps && + pi->compno < JAS_CAST(int, pchg->compnoend); ++pi->compno, ++pi->picomp) { + if (pi->rlvlno >= pi->picomp->numrlvls) { + continue; + } + pi->pirlvl = &pi->picomp->pirlvls[pi->rlvlno]; + for (pi->prcno = 0, prclyrno = pi->pirlvl->prclyrnos; + pi->prcno < pi->pirlvl->numprcs; ++pi->prcno, ++prclyrno) { + if (pi->lyrno >= *prclyrno) { + *prclyrno = pi->lyrno; + ++(*prclyrno); + return 0; + } +skip: + ; + } + } + } + } + return 1; +} + +static int jpc_pi_nextrpcl(register jpc_pi_t *pi) +{ + int rlvlno; + jpc_pirlvl_t *pirlvl; + jpc_pchg_t *pchg; + int prchind; + int prcvind; + int *prclyrno; + int compno; + jpc_picomp_t *picomp; + int xstep; + int ystep; + uint_fast32_t r; + uint_fast32_t rpx; + uint_fast32_t rpy; + uint_fast32_t trx0; + uint_fast32_t try0; + + pchg = pi->pchg; + if (!pi->prgvolfirst) { + goto skip; + } else { + pi->xstep = 0; + pi->ystep = 0; + for (compno = 0, picomp = pi->picomps; compno < pi->numcomps; + ++compno, ++picomp) { + for (rlvlno = 0, pirlvl = picomp->pirlvls; rlvlno < + picomp->numrlvls; ++rlvlno, ++pirlvl) { + xstep = picomp->hsamp * (1 << (pirlvl->prcwidthexpn + + picomp->numrlvls - rlvlno - 1)); + ystep = picomp->vsamp * (1 << (pirlvl->prcheightexpn + + picomp->numrlvls - rlvlno - 1)); + pi->xstep = (!pi->xstep) ? xstep : JAS_MIN(pi->xstep, xstep); + pi->ystep = (!pi->ystep) ? ystep : JAS_MIN(pi->ystep, ystep); + } + } + pi->prgvolfirst = 0; + } + + for (pi->rlvlno = pchg->rlvlnostart; pi->rlvlno < pchg->rlvlnoend && + pi->rlvlno < pi->maxrlvls; ++pi->rlvlno) { + for (pi->y = pi->ystart; pi->y < pi->yend; pi->y += + pi->ystep - (pi->y % pi->ystep)) { + for (pi->x = pi->xstart; pi->x < pi->xend; pi->x += + pi->xstep - (pi->x % pi->xstep)) { + for (pi->compno = pchg->compnostart, + pi->picomp = &pi->picomps[pi->compno]; + pi->compno < JAS_CAST(int, pchg->compnoend) && pi->compno < + pi->numcomps; ++pi->compno, ++pi->picomp) { + if (pi->rlvlno >= pi->picomp->numrlvls) { + continue; + } + pi->pirlvl = &pi->picomp->pirlvls[pi->rlvlno]; + if (pi->pirlvl->numprcs == 0) { + continue; + } + r = pi->picomp->numrlvls - 1 - pi->rlvlno; + rpx = r + pi->pirlvl->prcwidthexpn; + rpy = r + pi->pirlvl->prcheightexpn; + trx0 = JPC_CEILDIV(pi->xstart, pi->picomp->hsamp << r); + try0 = JPC_CEILDIV(pi->ystart, pi->picomp->vsamp << r); + if (((pi->x == pi->xstart && ((trx0 << r) % (1 << rpx))) + || !(pi->x % (1 << rpx))) && + ((pi->y == pi->ystart && ((try0 << r) % (1 << rpy))) + || !(pi->y % (1 << rpy)))) { + prchind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->x, pi->picomp->hsamp + << r), pi->pirlvl->prcwidthexpn) - JPC_FLOORDIVPOW2(trx0, + pi->pirlvl->prcwidthexpn); + prcvind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->y, pi->picomp->vsamp + << r), pi->pirlvl->prcheightexpn) - JPC_FLOORDIVPOW2(try0, + pi->pirlvl->prcheightexpn); + pi->prcno = prcvind * pi->pirlvl->numhprcs + prchind; + + assert(pi->prcno < pi->pirlvl->numprcs); + for (pi->lyrno = 0; pi->lyrno < + pi->numlyrs && pi->lyrno < JAS_CAST(int, pchg->lyrnoend); ++pi->lyrno) { + prclyrno = &pi->pirlvl->prclyrnos[pi->prcno]; + if (pi->lyrno >= *prclyrno) { + ++(*prclyrno); + return 0; + } +skip: + ; + } + } + } + } + } + } + return 1; +} + +static int jpc_pi_nextpcrl(register jpc_pi_t *pi) +{ + int rlvlno; + jpc_pirlvl_t *pirlvl; + jpc_pchg_t *pchg; + int prchind; + int prcvind; + int *prclyrno; + int compno; + jpc_picomp_t *picomp; + int xstep; + int ystep; + uint_fast32_t trx0; + uint_fast32_t try0; + uint_fast32_t r; + uint_fast32_t rpx; + uint_fast32_t rpy; + + pchg = pi->pchg; + if (!pi->prgvolfirst) { + goto skip; + } else { + pi->xstep = 0; + pi->ystep = 0; + for (compno = 0, picomp = pi->picomps; compno < pi->numcomps; + ++compno, ++picomp) { + for (rlvlno = 0, pirlvl = picomp->pirlvls; rlvlno < + picomp->numrlvls; ++rlvlno, ++pirlvl) { + xstep = picomp->hsamp * (1 << + (pirlvl->prcwidthexpn + picomp->numrlvls - + rlvlno - 1)); + ystep = picomp->vsamp * (1 << + (pirlvl->prcheightexpn + picomp->numrlvls - + rlvlno - 1)); + pi->xstep = (!pi->xstep) ? xstep : + JAS_MIN(pi->xstep, xstep); + pi->ystep = (!pi->ystep) ? ystep : + JAS_MIN(pi->ystep, ystep); + } + } + pi->prgvolfirst = 0; + } + + for (pi->y = pi->ystart; pi->y < pi->yend; pi->y += pi->ystep - + (pi->y % pi->ystep)) { + for (pi->x = pi->xstart; pi->x < pi->xend; pi->x += pi->xstep - + (pi->x % pi->xstep)) { + for (pi->compno = pchg->compnostart, pi->picomp = + &pi->picomps[pi->compno]; pi->compno < pi->numcomps + && pi->compno < JAS_CAST(int, pchg->compnoend); ++pi->compno, + ++pi->picomp) { + for (pi->rlvlno = pchg->rlvlnostart, + pi->pirlvl = &pi->picomp->pirlvls[pi->rlvlno]; + pi->rlvlno < pi->picomp->numrlvls && + pi->rlvlno < pchg->rlvlnoend; ++pi->rlvlno, + ++pi->pirlvl) { + if (pi->pirlvl->numprcs == 0) { + continue; + } + r = pi->picomp->numrlvls - 1 - pi->rlvlno; + trx0 = JPC_CEILDIV(pi->xstart, pi->picomp->hsamp << r); + try0 = JPC_CEILDIV(pi->ystart, pi->picomp->vsamp << r); + rpx = r + pi->pirlvl->prcwidthexpn; + rpy = r + pi->pirlvl->prcheightexpn; + if (((pi->x == pi->xstart && ((trx0 << r) % (1 << rpx))) || + !(pi->x % (pi->picomp->hsamp << rpx))) && + ((pi->y == pi->ystart && ((try0 << r) % (1 << rpy))) || + !(pi->y % (pi->picomp->vsamp << rpy)))) { + prchind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->x, pi->picomp->hsamp + << r), pi->pirlvl->prcwidthexpn) - JPC_FLOORDIVPOW2(trx0, + pi->pirlvl->prcwidthexpn); + prcvind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->y, pi->picomp->vsamp + << r), pi->pirlvl->prcheightexpn) - JPC_FLOORDIVPOW2(try0, + pi->pirlvl->prcheightexpn); + pi->prcno = prcvind * pi->pirlvl->numhprcs + prchind; + assert(pi->prcno < pi->pirlvl->numprcs); + for (pi->lyrno = 0; pi->lyrno < pi->numlyrs && + pi->lyrno < JAS_CAST(int, pchg->lyrnoend); ++pi->lyrno) { + prclyrno = &pi->pirlvl->prclyrnos[pi->prcno]; + if (pi->lyrno >= *prclyrno) { + ++(*prclyrno); + return 0; + } +skip: + ; + } + } + } + } + } + } + return 1; +} + +static int jpc_pi_nextcprl(register jpc_pi_t *pi) +{ + int rlvlno; + jpc_pirlvl_t *pirlvl; + jpc_pchg_t *pchg; + int prchind; + int prcvind; + int *prclyrno; + uint_fast32_t trx0; + uint_fast32_t try0; + uint_fast32_t r; + uint_fast32_t rpx; + uint_fast32_t rpy; + + pchg = pi->pchg; + if (!pi->prgvolfirst) { + goto skip; + } else { + pi->prgvolfirst = 0; + } + + for (pi->compno = pchg->compnostart, pi->picomp = + &pi->picomps[pi->compno]; pi->compno < JAS_CAST(int, pchg->compnoend); ++pi->compno, + ++pi->picomp) { + pirlvl = pi->picomp->pirlvls; + pi->xstep = pi->picomp->hsamp * (1 << (pirlvl->prcwidthexpn + + pi->picomp->numrlvls - 1)); + pi->ystep = pi->picomp->vsamp * (1 << (pirlvl->prcheightexpn + + pi->picomp->numrlvls - 1)); + for (rlvlno = 1, pirlvl = &pi->picomp->pirlvls[1]; + rlvlno < pi->picomp->numrlvls; ++rlvlno, ++pirlvl) { + pi->xstep = JAS_MIN(pi->xstep, pi->picomp->hsamp * (1 << + (pirlvl->prcwidthexpn + pi->picomp->numrlvls - + rlvlno - 1))); + pi->ystep = JAS_MIN(pi->ystep, pi->picomp->vsamp * (1 << + (pirlvl->prcheightexpn + pi->picomp->numrlvls - + rlvlno - 1))); + } + for (pi->y = pi->ystart; pi->y < pi->yend; + pi->y += pi->ystep - (pi->y % pi->ystep)) { + for (pi->x = pi->xstart; pi->x < pi->xend; + pi->x += pi->xstep - (pi->x % pi->xstep)) { + for (pi->rlvlno = pchg->rlvlnostart, + pi->pirlvl = &pi->picomp->pirlvls[pi->rlvlno]; + pi->rlvlno < pi->picomp->numrlvls && pi->rlvlno < + pchg->rlvlnoend; ++pi->rlvlno, ++pi->pirlvl) { + if (pi->pirlvl->numprcs == 0) { + continue; + } + r = pi->picomp->numrlvls - 1 - pi->rlvlno; + trx0 = JPC_CEILDIV(pi->xstart, pi->picomp->hsamp << r); + try0 = JPC_CEILDIV(pi->ystart, pi->picomp->vsamp << r); + rpx = r + pi->pirlvl->prcwidthexpn; + rpy = r + pi->pirlvl->prcheightexpn; + if (((pi->x == pi->xstart && ((trx0 << r) % (1 << rpx))) || + !(pi->x % (pi->picomp->hsamp << rpx))) && + ((pi->y == pi->ystart && ((try0 << r) % (1 << rpy))) || + !(pi->y % (pi->picomp->vsamp << rpy)))) { + prchind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->x, pi->picomp->hsamp + << r), pi->pirlvl->prcwidthexpn) - JPC_FLOORDIVPOW2(trx0, + pi->pirlvl->prcwidthexpn); + prcvind = JPC_FLOORDIVPOW2(JPC_CEILDIV(pi->y, pi->picomp->vsamp + << r), pi->pirlvl->prcheightexpn) - JPC_FLOORDIVPOW2(try0, + pi->pirlvl->prcheightexpn); + pi->prcno = prcvind * + pi->pirlvl->numhprcs + + prchind; + assert(pi->prcno < + pi->pirlvl->numprcs); + for (pi->lyrno = 0; pi->lyrno < + pi->numlyrs && pi->lyrno < JAS_CAST(int, pchg->lyrnoend); ++pi->lyrno) { + prclyrno = &pi->pirlvl->prclyrnos[pi->prcno]; + if (pi->lyrno >= *prclyrno) { + ++(*prclyrno); + return 0; + } +skip: + ; + } + } + } + } + } + } + return 1; +} + +static void pirlvl_destroy(jpc_pirlvl_t *rlvl) +{ + if (rlvl->prclyrnos) { + jas_free(rlvl->prclyrnos); + } +} + +static void jpc_picomp_destroy(jpc_picomp_t *picomp) +{ + int rlvlno; + jpc_pirlvl_t *pirlvl; + if (picomp->pirlvls) { + for (rlvlno = 0, pirlvl = picomp->pirlvls; rlvlno < + picomp->numrlvls; ++rlvlno, ++pirlvl) { + pirlvl_destroy(pirlvl); + } + jas_free(picomp->pirlvls); + } +} + +void jpc_pi_destroy(jpc_pi_t *pi) +{ + jpc_picomp_t *picomp; + int compno; + if (pi->picomps) { + for (compno = 0, picomp = pi->picomps; compno < pi->numcomps; + ++compno, ++picomp) { + jpc_picomp_destroy(picomp); + } + jas_free(pi->picomps); + } + if (pi->pchglist) { + jpc_pchglist_destroy(pi->pchglist); + } + jas_free(pi); +} + +jpc_pi_t *jpc_pi_create0() +{ + jpc_pi_t *pi; + if (!(pi = jas_malloc(sizeof(jpc_pi_t)))) { + return 0; + } + pi->picomps = 0; + pi->pchgno = 0; + if (!(pi->pchglist = jpc_pchglist_create())) { + jas_free(pi); + return 0; + } + return pi; +} + +int jpc_pi_addpchg(jpc_pi_t *pi, jpc_pocpchg_t *pchg) +{ + return jpc_pchglist_insert(pi->pchglist, -1, pchg); +} + +jpc_pchglist_t *jpc_pchglist_create() +{ + jpc_pchglist_t *pchglist; + if (!(pchglist = jas_malloc(sizeof(jpc_pchglist_t)))) { + return 0; + } + pchglist->numpchgs = 0; + pchglist->maxpchgs = 0; + pchglist->pchgs = 0; + return pchglist; +} + +int jpc_pchglist_insert(jpc_pchglist_t *pchglist, int pchgno, jpc_pchg_t *pchg) +{ + int i; + int newmaxpchgs; + jpc_pchg_t **newpchgs; + if (pchgno < 0) { + pchgno = pchglist->numpchgs; + } + if (pchglist->numpchgs >= pchglist->maxpchgs) { + newmaxpchgs = pchglist->maxpchgs + 128; + if (!(newpchgs = jas_realloc(pchglist->pchgs, newmaxpchgs * sizeof(jpc_pchg_t *)))) { + return -1; + } + pchglist->maxpchgs = newmaxpchgs; + pchglist->pchgs = newpchgs; + } + for (i = pchglist->numpchgs; i > pchgno; --i) { + pchglist->pchgs[i] = pchglist->pchgs[i - 1]; + } + pchglist->pchgs[pchgno] = pchg; + ++pchglist->numpchgs; + return 0; +} + +jpc_pchg_t *jpc_pchglist_remove(jpc_pchglist_t *pchglist, int pchgno) +{ + int i; + jpc_pchg_t *pchg; + assert(pchgno < pchglist->numpchgs); + pchg = pchglist->pchgs[pchgno]; + for (i = pchgno + 1; i < pchglist->numpchgs; ++i) { + pchglist->pchgs[i - 1] = pchglist->pchgs[i]; + } + --pchglist->numpchgs; + return pchg; +} + +jpc_pchg_t *jpc_pchg_copy(jpc_pchg_t *pchg) +{ + jpc_pchg_t *newpchg; + if (!(newpchg = jas_malloc(sizeof(jpc_pchg_t)))) { + return 0; + } + *newpchg = *pchg; + return newpchg; +} + +jpc_pchglist_t *jpc_pchglist_copy(jpc_pchglist_t *pchglist) +{ + jpc_pchglist_t *newpchglist; + jpc_pchg_t *newpchg; + int pchgno; + if (!(newpchglist = jpc_pchglist_create())) { + return 0; + } + for (pchgno = 0; pchgno < pchglist->numpchgs; ++pchgno) { + if (!(newpchg = jpc_pchg_copy(pchglist->pchgs[pchgno])) || + jpc_pchglist_insert(newpchglist, -1, newpchg)) { + jpc_pchglist_destroy(newpchglist); + return 0; + } + } + return newpchglist; +} + +void jpc_pchglist_destroy(jpc_pchglist_t *pchglist) +{ + int pchgno; + if (pchglist->pchgs) { + for (pchgno = 0; pchgno < pchglist->numpchgs; ++pchgno) { + jpc_pchg_destroy(pchglist->pchgs[pchgno]); + } + jas_free(pchglist->pchgs); + } + jas_free(pchglist); +} + +void jpc_pchg_destroy(jpc_pchg_t *pchg) +{ + jas_free(pchg); +} + +jpc_pchg_t *jpc_pchglist_get(jpc_pchglist_t *pchglist, int pchgno) +{ + return pchglist->pchgs[pchgno]; +} + +int jpc_pchglist_numpchgs(jpc_pchglist_t *pchglist) +{ + return pchglist->numpchgs; +} + +int jpc_pi_init(jpc_pi_t *pi) +{ + int compno; + int rlvlno; + int prcno; + jpc_picomp_t *picomp; + jpc_pirlvl_t *pirlvl; + int *prclyrno; + + pi->prgvolfirst = 0; + pi->valid = 0; + pi->pktno = -1; + pi->pchgno = -1; + pi->pchg = 0; + + for (compno = 0, picomp = pi->picomps; compno < pi->numcomps; + ++compno, ++picomp) { + for (rlvlno = 0, pirlvl = picomp->pirlvls; rlvlno < + picomp->numrlvls; ++rlvlno, ++pirlvl) { + for (prcno = 0, prclyrno = pirlvl->prclyrnos; + prcno < pirlvl->numprcs; ++prcno, ++prclyrno) { + *prclyrno = 0; + } + } + } + return 0; +} diff --git a/src/libjasper/jpc/jpc_t2cod.h b/src/libjasper/jpc/jpc_t2cod.h new file mode 100644 index 0000000..5eefcc2 --- /dev/null +++ b/src/libjasper/jpc/jpc_t2cod.h @@ -0,0 +1,299 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tier-2 Coding Library + * + * $Id: jpc_t2cod.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_T2COD_H +#define JPC_T2COD_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jpc_cs.h" + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +/* Progression change list. */ + +typedef struct { + + /* The number of progression changes. */ + int numpchgs; + + /* The maximum number of progression changes that can be accomodated + without growing the progression change array. */ + int maxpchgs; + + /* The progression changes. */ + jpc_pchg_t **pchgs; + +} jpc_pchglist_t; + +/* Packet iterator per-resolution-level information. */ + +typedef struct { + + /* The number of precincts. */ + int numprcs; + + /* The last layer processed for each precinct. */ + int *prclyrnos; + + /* The precinct width exponent. */ + int prcwidthexpn; + + /* The precinct height exponent. */ + int prcheightexpn; + + /* The number of precincts spanning the resolution level in the horizontal + direction. */ + int numhprcs; + +} jpc_pirlvl_t; + +/* Packet iterator per-component information. */ + +typedef struct { + + /* The number of resolution levels. */ + int numrlvls; + + /* The per-resolution-level information. */ + jpc_pirlvl_t *pirlvls; + + /* The horizontal sampling period. */ + int hsamp; + + /* The vertical sampling period. */ + int vsamp; + +} jpc_picomp_t; + +/* Packet iterator class. */ + +typedef struct { + + /* The number of layers. */ + int numlyrs; + + /* The number of resolution levels. */ + int maxrlvls; + + /* The number of components. */ + int numcomps; + + /* The per-component information. */ + jpc_picomp_t *picomps; + + /* The current component. */ + jpc_picomp_t *picomp; + + /* The current resolution level. */ + jpc_pirlvl_t *pirlvl; + + /* The number of the current component. */ + int compno; + + /* The number of the current resolution level. */ + int rlvlno; + + /* The number of the current precinct. */ + int prcno; + + /* The number of the current layer. */ + int lyrno; + + /* The x-coordinate of the current position. */ + int x; + + /* The y-coordinate of the current position. */ + int y; + + /* The horizontal step size. */ + int xstep; + + /* The vertical step size. */ + int ystep; + + /* The x-coordinate of the top-left corner of the tile on the reference + grid. */ + int xstart; + + /* The y-coordinate of the top-left corner of the tile on the reference + grid. */ + int ystart; + + /* The x-coordinate of the bottom-right corner of the tile on the + reference grid (plus one). */ + int xend; + + /* The y-coordinate of the bottom-right corner of the tile on the + reference grid (plus one). */ + int yend; + + /* The current progression change. */ + jpc_pchg_t *pchg; + + /* The progression change list. */ + jpc_pchglist_t *pchglist; + + /* The progression to use in the absense of explicit specification. */ + jpc_pchg_t defaultpchg; + + /* The current progression change number. */ + int pchgno; + + /* Is this the first time in the current progression volume? */ + bool prgvolfirst; + + /* Is the current iterator value valid? */ + bool valid; + + /* The current packet number. */ + int pktno; + +} jpc_pi_t; + +/******************************************************************************\ +* Functions/macros for packet iterators. +\******************************************************************************/ + +/* Create a packet iterator. */ +jpc_pi_t *jpc_pi_create0(void); + +/* Destroy a packet iterator. */ +void jpc_pi_destroy(jpc_pi_t *pi); + +/* Add a progression change to a packet iterator. */ +int jpc_pi_addpchg(jpc_pi_t *pi, jpc_pocpchg_t *pchg); + +/* Prepare a packet iterator for iteration. */ +int jpc_pi_init(jpc_pi_t *pi); + +/* Set the iterator to the first packet. */ +int jpc_pi_begin(jpc_pi_t *pi); + +/* Proceed to the next packet in sequence. */ +int jpc_pi_next(jpc_pi_t *pi); + +/* Get the index of the current packet. */ +#define jpc_pi_getind(pi) ((pi)->pktno) + +/* Get the component number of the current packet. */ +#define jpc_pi_cmptno(pi) (assert(pi->valid), (pi)->compno) + +/* Get the resolution level of the current packet. */ +#define jpc_pi_rlvlno(pi) (assert(pi->valid), (pi)->rlvlno) + +/* Get the layer number of the current packet. */ +#define jpc_pi_lyrno(pi) (assert(pi->valid), (pi)->lyrno) + +/* Get the precinct number of the current packet. */ +#define jpc_pi_prcno(pi) (assert(pi->valid), (pi)->prcno) + +/* Get the progression order for the current packet. */ +#define jpc_pi_prg(pi) (assert(pi->valid), (pi)->pchg->prgord) + +/******************************************************************************\ +* Functions/macros for progression change lists. +\******************************************************************************/ + +/* Create a progression change list. */ +jpc_pchglist_t *jpc_pchglist_create(void); + +/* Destroy a progression change list. */ +void jpc_pchglist_destroy(jpc_pchglist_t *pchglist); + +/* Insert a new element into a progression change list. */ +int jpc_pchglist_insert(jpc_pchglist_t *pchglist, int pchgno, jpc_pchg_t *pchg); + +/* Remove an element from a progression change list. */ +jpc_pchg_t *jpc_pchglist_remove(jpc_pchglist_t *pchglist, int pchgno); + +/* Get an element from a progression change list. */ +jpc_pchg_t *jpc_pchglist_get(jpc_pchglist_t *pchglist, int pchgno); + +/* Copy a progression change list. */ +jpc_pchglist_t *jpc_pchglist_copy(jpc_pchglist_t *pchglist); + +/* Get the number of elements in a progression change list. */ +int jpc_pchglist_numpchgs(jpc_pchglist_t *pchglist); + +/******************************************************************************\ +* Functions/macros for progression changes. +\******************************************************************************/ + +/* Destroy a progression change. */ +void jpc_pchg_destroy(jpc_pchg_t *pchg); + +/* Copy a progression change. */ +jpc_pchg_t *jpc_pchg_copy(jpc_pchg_t *pchg); + +#endif diff --git a/src/libjasper/jpc/jpc_t2dec.c b/src/libjasper/jpc/jpc_t2dec.c new file mode 100644 index 0000000..0a79c88 --- /dev/null +++ b/src/libjasper/jpc/jpc_t2dec.c @@ -0,0 +1,581 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tier 2 Decoder + * + * $Id: jpc_t2dec.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> + +#include "jasper/jas_types.h" +#include "jasper/jas_fix.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_math.h" +#include "jasper/jas_stream.h" +#include "jasper/jas_debug.h" + +#include "jpc_bs.h" +#include "jpc_dec.h" +#include "jpc_cs.h" +#include "jpc_mqdec.h" +#include "jpc_t2dec.h" +#include "jpc_t1cod.h" +#include "jpc_math.h" + +/******************************************************************************\ +* +\******************************************************************************/ + +long jpc_dec_lookahead(jas_stream_t *in); +static int jpc_getcommacode(jpc_bitstream_t *in); +static int jpc_getnumnewpasses(jpc_bitstream_t *in); +static int jpc_dec_decodepkt(jpc_dec_t *dec, jas_stream_t *pkthdrstream, jas_stream_t *in, int compno, int lvlno, + int prcno, int lyrno); + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +static int jpc_getcommacode(jpc_bitstream_t *in) +{ + int n; + int v; + + n = 0; + for (;;) { + if ((v = jpc_bitstream_getbit(in)) < 0) { + return -1; + } + if (jpc_bitstream_eof(in)) { + return -1; + } + if (!v) { + break; + } + ++n; + } + + return n; +} + +static int jpc_getnumnewpasses(jpc_bitstream_t *in) +{ + int n; + + if ((n = jpc_bitstream_getbit(in)) > 0) { + if ((n = jpc_bitstream_getbit(in)) > 0) { + if ((n = jpc_bitstream_getbits(in, 2)) == 3) { + if ((n = jpc_bitstream_getbits(in, 5)) == 31) { + if ((n = jpc_bitstream_getbits(in, 7)) >= 0) { + n += 36 + 1; + } + } else if (n >= 0) { + n += 5 + 1; + } + } else if (n >= 0) { + n += 2 + 1; + } + } else if (!n) { + n += 2; + } + } else if (!n) { + ++n; + } + + return n; +} + +static int jpc_dec_decodepkt(jpc_dec_t *dec, jas_stream_t *pkthdrstream, jas_stream_t *in, int compno, int rlvlno, + int prcno, int lyrno) +{ + jpc_bitstream_t *inb; + jpc_dec_tcomp_t *tcomp; + jpc_dec_rlvl_t *rlvl; + jpc_dec_band_t *band; + jpc_dec_cblk_t *cblk; + int n; + int m; + int i; + jpc_tagtreenode_t *leaf; + int included; + int ret; + int numnewpasses; + jpc_dec_seg_t *seg; + int len; + int present; + int savenumnewpasses; + int mycounter; + jpc_ms_t *ms; + jpc_dec_tile_t *tile; + jpc_dec_ccp_t *ccp; + jpc_dec_cp_t *cp; + int bandno; + jpc_dec_prc_t *prc; + int usedcblkcnt; + int cblkno; + uint_fast32_t bodylen; + bool discard; + int passno; + int maxpasses; + int hdrlen; + int hdroffstart; + int hdroffend; + + /* Avoid compiler warning about possible use of uninitialized + variable. */ + bodylen = 0; + + discard = (lyrno >= dec->maxlyrs); + + tile = dec->curtile; + cp = tile->cp; + ccp = &cp->ccps[compno]; + + /* + * Decode the packet header. + */ + + /* Decode the SOP marker segment if present. */ + if (cp->csty & JPC_COD_SOP) { + if (jpc_dec_lookahead(in) == JPC_MS_SOP) { + if (!(ms = jpc_getms(in, dec->cstate))) { + return -1; + } + if (jpc_ms_gettype(ms) != JPC_MS_SOP) { + jpc_ms_destroy(ms); + jas_eprintf("missing SOP marker segment\n"); + return -1; + } + jpc_ms_destroy(ms); + } + } + +hdroffstart = jas_stream_getrwcount(pkthdrstream); + + if (!(inb = jpc_bitstream_sopen(pkthdrstream, "r"))) { + return -1; + } + + if ((present = jpc_bitstream_getbit(inb)) < 0) { + return 1; + } + JAS_DBGLOG(10, ("\n", present)); + JAS_DBGLOG(10, ("present=%d ", present)); + + /* Is the packet non-empty? */ + if (present) { + /* The packet is non-empty. */ + tcomp = &tile->tcomps[compno]; + rlvl = &tcomp->rlvls[rlvlno]; + bodylen = 0; + for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands; + ++bandno, ++band) { + if (!band->data) { + continue; + } + prc = &band->prcs[prcno]; + if (!prc->cblks) { + continue; + } + usedcblkcnt = 0; + for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks; + ++cblkno, ++cblk) { + ++usedcblkcnt; + if (!cblk->numpasses) { + leaf = jpc_tagtree_getleaf(prc->incltagtree, usedcblkcnt - 1); + if ((included = jpc_tagtree_decode(prc->incltagtree, leaf, lyrno + 1, inb)) < 0) { + return -1; + } + } else { + if ((included = jpc_bitstream_getbit(inb)) < 0) { + return -1; + } + } + JAS_DBGLOG(10, ("\n")); + JAS_DBGLOG(10, ("included=%d ", included)); + if (!included) { + continue; + } + if (!cblk->numpasses) { + i = 1; + leaf = jpc_tagtree_getleaf(prc->numimsbstagtree, usedcblkcnt - 1); + for (;;) { + if ((ret = jpc_tagtree_decode(prc->numimsbstagtree, leaf, i, inb)) < 0) { + return -1; + } + if (ret) { + break; + } + ++i; + } + cblk->numimsbs = i - 1; + cblk->firstpassno = cblk->numimsbs * 3; + } + if ((numnewpasses = jpc_getnumnewpasses(inb)) < 0) { + return -1; + } + JAS_DBGLOG(10, ("numnewpasses=%d ", numnewpasses)); + seg = cblk->curseg; + savenumnewpasses = numnewpasses; + mycounter = 0; + if (numnewpasses > 0) { + if ((m = jpc_getcommacode(inb)) < 0) { + return -1; + } + cblk->numlenbits += m; + JAS_DBGLOG(10, ("increment=%d ", m)); + while (numnewpasses > 0) { + passno = cblk->firstpassno + cblk->numpasses + mycounter; + /* XXX - the maxpasses is not set precisely but this doesn't matter... */ + maxpasses = JPC_SEGPASSCNT(passno, cblk->firstpassno, 10000, (ccp->cblkctx & JPC_COX_LAZY) != 0, (ccp->cblkctx & JPC_COX_TERMALL) != 0); + if (!discard && !seg) { + if (!(seg = jpc_seg_alloc())) { + return -1; + } + jpc_seglist_insert(&cblk->segs, cblk->segs.tail, seg); + if (!cblk->curseg) { + cblk->curseg = seg; + } + seg->passno = passno; + seg->type = JPC_SEGTYPE(seg->passno, cblk->firstpassno, (ccp->cblkctx & JPC_COX_LAZY) != 0); + seg->maxpasses = maxpasses; + } + n = JAS_MIN(numnewpasses, maxpasses); + mycounter += n; + numnewpasses -= n; + if ((len = jpc_bitstream_getbits(inb, cblk->numlenbits + jpc_floorlog2(n))) < 0) { + return -1; + } + JAS_DBGLOG(10, ("len=%d ", len)); + if (!discard) { + seg->lyrno = lyrno; + seg->numpasses += n; + seg->cnt = len; + seg = seg->next; + } + bodylen += len; + } + } + cblk->numpasses += savenumnewpasses; + } + } + + jpc_bitstream_inalign(inb, 0, 0); + + } else { + if (jpc_bitstream_inalign(inb, 0x7f, 0)) { + jas_eprintf("alignment failed\n"); + return -1; + } + } + jpc_bitstream_close(inb); + + hdroffend = jas_stream_getrwcount(pkthdrstream); + hdrlen = hdroffend - hdroffstart; + if (jas_getdbglevel() >= 5) { + jas_eprintf("hdrlen=%lu bodylen=%lu \n", (unsigned long) hdrlen, + (unsigned long) bodylen); + } + + if (cp->csty & JPC_COD_EPH) { + if (jpc_dec_lookahead(pkthdrstream) == JPC_MS_EPH) { + if (!(ms = jpc_getms(pkthdrstream, dec->cstate))) { + jas_eprintf("cannot get (EPH) marker segment\n"); + return -1; + } + if (jpc_ms_gettype(ms) != JPC_MS_EPH) { + jpc_ms_destroy(ms); + jas_eprintf("missing EPH marker segment\n"); + return -1; + } + jpc_ms_destroy(ms); + } + } + + /* decode the packet body. */ + + if (jas_getdbglevel() >= 1) { + jas_eprintf("packet body offset=%06ld\n", (long) jas_stream_getrwcount(in)); + } + + if (!discard) { + tcomp = &tile->tcomps[compno]; + rlvl = &tcomp->rlvls[rlvlno]; + for (bandno = 0, band = rlvl->bands; bandno < rlvl->numbands; + ++bandno, ++band) { + if (!band->data) { + continue; + } + prc = &band->prcs[prcno]; + if (!prc->cblks) { + continue; + } + for (cblkno = 0, cblk = prc->cblks; cblkno < prc->numcblks; + ++cblkno, ++cblk) { + seg = cblk->curseg; + while (seg) { + if (!seg->stream) { + if (!(seg->stream = jas_stream_memopen(0, 0))) { + return -1; + } + } +#if 0 +jas_eprintf("lyrno=%02d, compno=%02d, lvlno=%02d, prcno=%02d, bandno=%02d, cblkno=%02d, passno=%02d numpasses=%02d cnt=%d numbps=%d, numimsbs=%d\n", lyrno, compno, rlvlno, prcno, band - rlvl->bands, cblk - prc->cblks, seg->passno, seg->numpasses, seg->cnt, band->numbps, cblk->numimsbs); +#endif + if (seg->cnt > 0) { + if (jpc_getdata(in, seg->stream, seg->cnt) < 0) { + return -1; + } + seg->cnt = 0; + } + if (seg->numpasses >= seg->maxpasses) { + cblk->curseg = seg->next; + } + seg = seg->next; + } + } + } + } else { + if (jas_stream_gobble(in, bodylen) != JAS_CAST(int, bodylen)) { + return -1; + } + } + return 0; +} + +/********************************************************************************************/ +/********************************************************************************************/ + +int jpc_dec_decodepkts(jpc_dec_t *dec, jas_stream_t *pkthdrstream, jas_stream_t *in) +{ + jpc_dec_tile_t *tile; + jpc_pi_t *pi; + int ret; + + tile = dec->curtile; + pi = tile->pi; + for (;;) { +if (!tile->pkthdrstream || jas_stream_peekc(tile->pkthdrstream) == EOF) { + switch (jpc_dec_lookahead(in)) { + case JPC_MS_EOC: + case JPC_MS_SOT: + return 0; + break; + case JPC_MS_SOP: + case JPC_MS_EPH: + case 0: + break; + default: + return -1; + break; + } +} + if ((ret = jpc_pi_next(pi))) { + return ret; + } +if (dec->maxpkts >= 0 && dec->numpkts >= dec->maxpkts) { + jas_eprintf("warning: stopping decode prematurely as requested\n"); + return 0; +} + if (jas_getdbglevel() >= 1) { + jas_eprintf("packet offset=%08ld prg=%d cmptno=%02d " + "rlvlno=%02d prcno=%03d lyrno=%02d\n", (long) + jas_stream_getrwcount(in), jpc_pi_prg(pi), jpc_pi_cmptno(pi), + jpc_pi_rlvlno(pi), jpc_pi_prcno(pi), jpc_pi_lyrno(pi)); + } + if (jpc_dec_decodepkt(dec, pkthdrstream, in, jpc_pi_cmptno(pi), jpc_pi_rlvlno(pi), + jpc_pi_prcno(pi), jpc_pi_lyrno(pi))) { + return -1; + } +++dec->numpkts; + } + + return 0; +} + +jpc_pi_t *jpc_dec_pi_create(jpc_dec_t *dec, jpc_dec_tile_t *tile) +{ + jpc_pi_t *pi; + int compno; + jpc_picomp_t *picomp; + jpc_pirlvl_t *pirlvl; + jpc_dec_tcomp_t *tcomp; + int rlvlno; + jpc_dec_rlvl_t *rlvl; + int prcno; + int *prclyrno; + jpc_dec_cmpt_t *cmpt; + + if (!(pi = jpc_pi_create0())) { + return 0; + } + pi->numcomps = dec->numcomps; + if (!(pi->picomps = jas_malloc(pi->numcomps * sizeof(jpc_picomp_t)))) { + jpc_pi_destroy(pi); + return 0; + } + for (compno = 0, picomp = pi->picomps; compno < pi->numcomps; ++compno, + ++picomp) { + picomp->pirlvls = 0; + } + + for (compno = 0, tcomp = tile->tcomps, picomp = pi->picomps; + compno < pi->numcomps; ++compno, ++tcomp, ++picomp) { + picomp->numrlvls = tcomp->numrlvls; + if (!(picomp->pirlvls = jas_malloc(picomp->numrlvls * + sizeof(jpc_pirlvl_t)))) { + jpc_pi_destroy(pi); + return 0; + } + for (rlvlno = 0, pirlvl = picomp->pirlvls; rlvlno < + picomp->numrlvls; ++rlvlno, ++pirlvl) { + pirlvl->prclyrnos = 0; + } + for (rlvlno = 0, pirlvl = picomp->pirlvls, rlvl = tcomp->rlvls; + rlvlno < picomp->numrlvls; ++rlvlno, ++pirlvl, ++rlvl) { +/* XXX sizeof(long) should be sizeof different type */ + pirlvl->numprcs = rlvl->numprcs; + if (!(pirlvl->prclyrnos = jas_malloc(pirlvl->numprcs * + sizeof(long)))) { + jpc_pi_destroy(pi); + return 0; + } + } + } + + pi->maxrlvls = 0; + for (compno = 0, tcomp = tile->tcomps, picomp = pi->picomps, cmpt = + dec->cmpts; compno < pi->numcomps; ++compno, ++tcomp, ++picomp, + ++cmpt) { + picomp->hsamp = cmpt->hstep; + picomp->vsamp = cmpt->vstep; + for (rlvlno = 0, pirlvl = picomp->pirlvls, rlvl = tcomp->rlvls; + rlvlno < picomp->numrlvls; ++rlvlno, ++pirlvl, ++rlvl) { + pirlvl->prcwidthexpn = rlvl->prcwidthexpn; + pirlvl->prcheightexpn = rlvl->prcheightexpn; + for (prcno = 0, prclyrno = pirlvl->prclyrnos; + prcno < pirlvl->numprcs; ++prcno, ++prclyrno) { + *prclyrno = 0; + } + pirlvl->numhprcs = rlvl->numhprcs; + } + if (pi->maxrlvls < tcomp->numrlvls) { + pi->maxrlvls = tcomp->numrlvls; + } + } + + pi->numlyrs = tile->cp->numlyrs; + pi->xstart = tile->xstart; + pi->ystart = tile->ystart; + pi->xend = tile->xend; + pi->yend = tile->yend; + + pi->picomp = 0; + pi->pirlvl = 0; + pi->x = 0; + pi->y = 0; + pi->compno = 0; + pi->rlvlno = 0; + pi->prcno = 0; + pi->lyrno = 0; + pi->xstep = 0; + pi->ystep = 0; + + pi->pchgno = -1; + + pi->defaultpchg.prgord = tile->cp->prgord; + pi->defaultpchg.compnostart = 0; + pi->defaultpchg.compnoend = pi->numcomps; + pi->defaultpchg.rlvlnostart = 0; + pi->defaultpchg.rlvlnoend = pi->maxrlvls; + pi->defaultpchg.lyrnoend = pi->numlyrs; + pi->pchg = 0; + + pi->valid = 0; + + return pi; +} + +long jpc_dec_lookahead(jas_stream_t *in) +{ + uint_fast16_t x; + if (jpc_getuint16(in, &x)) { + return -1; + } + if (jas_stream_ungetc(in, x & 0xff) == EOF || + jas_stream_ungetc(in, x >> 8) == EOF) { + return -1; + } + if (x >= JPC_MS_INMIN && x <= JPC_MS_INMAX) { + return x; + } + return 0; +} diff --git a/src/libjasper/jpc/jpc_t2dec.h b/src/libjasper/jpc/jpc_t2dec.h new file mode 100644 index 0000000..6517252 --- /dev/null +++ b/src/libjasper/jpc/jpc_t2dec.h @@ -0,0 +1,95 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tier 2 Decoder + * + * $Id: jpc_t2dec.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_T2DEC_H +#define JPC_T2DEC_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_fix.h" +#include "jasper/jas_stream.h" + +#include "jpc_bs.h" +#include "jpc_dec.h" +#include "jpc_mqdec.h" + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +/* Decode the packets for a tile-part. */ +int jpc_dec_decodepkts(jpc_dec_t *dec, jas_stream_t *pkthdrstream, + jas_stream_t *in); + +/* Create a packet iterator for the decoder. */ +jpc_pi_t *jpc_dec_pi_create(jpc_dec_t *dec, jpc_dec_tile_t *tile); + +#endif diff --git a/src/libjasper/jpc/jpc_t2enc.c b/src/libjasper/jpc/jpc_t2enc.c new file mode 100644 index 0000000..3c807d9 --- /dev/null +++ b/src/libjasper/jpc/jpc_t2enc.c @@ -0,0 +1,655 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tier 2 Encoder + * + * $Id: jpc_t2enc.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> + +#include "jasper/jas_fix.h" +#include "jasper/jas_malloc.h" +#include "jasper/jas_math.h" +#include "jasper/jas_debug.h" + +#include "jpc_flt.h" +#include "jpc_t2enc.h" +#include "jpc_t2cod.h" +#include "jpc_tagtree.h" +#include "jpc_enc.h" +#include "jpc_math.h" + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +static int jpc_putcommacode(jpc_bitstream_t *out, int n) +{ + assert(n >= 0); + + while (--n >= 0) { + if (jpc_bitstream_putbit(out, 1) == EOF) { + return -1; + } + } + if (jpc_bitstream_putbit(out, 0) == EOF) { + return -1; + } + return 0; +} + +static int jpc_putnumnewpasses(jpc_bitstream_t *out, int n) +{ + int ret; + + if (n <= 0) { + return -1; + } else if (n == 1) { + ret = jpc_bitstream_putbit(out, 0); + } else if (n == 2) { + ret = jpc_bitstream_putbits(out, 2, 2); + } else if (n <= 5) { + ret = jpc_bitstream_putbits(out, 4, 0xc | (n - 3)); + } else if (n <= 36) { + ret = jpc_bitstream_putbits(out, 9, 0x1e0 | (n - 6)); + } else if (n <= 164) { + ret = jpc_bitstream_putbits(out, 16, 0xff80 | (n - 37)); + } else { + /* The standard has no provision for encoding a larger value. + In practice, however, it is highly unlikely that this + limitation will ever be encountered. */ + return -1; + } + + return (ret != EOF) ? 0 : (-1); +} + +int jpc_enc_encpkts(jpc_enc_t *enc, jas_stream_t *out) +{ + jpc_enc_tile_t *tile; + jpc_pi_t *pi; + + tile = enc->curtile; + + jpc_init_t2state(enc, 0); + pi = tile->pi; + jpc_pi_init(pi); + + if (!jpc_pi_next(pi)) { + for (;;) { + if (jpc_enc_encpkt(enc, out, jpc_pi_cmptno(pi), jpc_pi_rlvlno(pi), + jpc_pi_prcno(pi), jpc_pi_lyrno(pi))) { + return -1; + } + if (jpc_pi_next(pi)) { + break; + } + } + } + + return 0; +} + +int jpc_enc_encpkt(jpc_enc_t *enc, jas_stream_t *out, int compno, int lvlno, int prcno, int lyrno) +{ + jpc_enc_tcmpt_t *comp; + jpc_enc_rlvl_t *lvl; + jpc_enc_band_t *band; + jpc_enc_band_t *endbands; + jpc_enc_cblk_t *cblk; + jpc_enc_cblk_t *endcblks; + jpc_bitstream_t *outb; + jpc_enc_pass_t *pass; + jpc_enc_pass_t *startpass; + jpc_enc_pass_t *lastpass; + jpc_enc_pass_t *endpass; + jpc_enc_pass_t *endpasses; + int i; + int included; + int ret; + jpc_tagtreenode_t *leaf; + int n; + int t1; + int t2; + int adjust; + int maxadjust; + int datalen; + int numnewpasses; + int passcount; + jpc_enc_tile_t *tile; + jpc_enc_prc_t *prc; + jpc_enc_cp_t *cp; + jpc_ms_t *ms; + + tile = enc->curtile; + cp = enc->cp; + + if (cp->tcp.csty & JPC_COD_SOP) { + if (!(ms = jpc_ms_create(JPC_MS_SOP))) { + return -1; + } + ms->parms.sop.seqno = jpc_pi_getind(tile->pi); + if (jpc_putms(out, enc->cstate, ms)) { + return -1; + } + jpc_ms_destroy(ms); + } + + outb = jpc_bitstream_sopen(out, "w+"); + assert(outb); + + if (jpc_bitstream_putbit(outb, 1) == EOF) { + return -1; + } + JAS_DBGLOG(10, ("\n")); + JAS_DBGLOG(10, ("present. ")); + + comp = &tile->tcmpts[compno]; + lvl = &comp->rlvls[lvlno]; + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + prc = &band->prcs[prcno]; + if (!prc->cblks) { + continue; + } + + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + if (!lyrno) { + leaf = jpc_tagtree_getleaf(prc->nlibtree, cblk - prc->cblks); + jpc_tagtree_setvalue(prc->nlibtree, leaf, cblk->numimsbs); + } + pass = cblk->curpass; + included = (pass && pass->lyrno == lyrno); + if (included && (!cblk->numencpasses)) { + assert(pass->lyrno == lyrno); + leaf = jpc_tagtree_getleaf(prc->incltree, + cblk - prc->cblks); + jpc_tagtree_setvalue(prc->incltree, leaf, pass->lyrno); + } + } + + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + pass = cblk->curpass; + included = (pass && pass->lyrno == lyrno); + if (!cblk->numencpasses) { + leaf = jpc_tagtree_getleaf(prc->incltree, + cblk - prc->cblks); + if (jpc_tagtree_encode(prc->incltree, leaf, lyrno + + 1, outb) < 0) { + return -1; + } + } else { + if (jpc_bitstream_putbit(outb, included) == EOF) { + return -1; + } + } + JAS_DBGLOG(10, ("included=%d ", included)); + if (!included) { + continue; + } + if (!cblk->numencpasses) { + i = 1; + leaf = jpc_tagtree_getleaf(prc->nlibtree, cblk - prc->cblks); + for (;;) { + if ((ret = jpc_tagtree_encode(prc->nlibtree, leaf, i, outb)) < 0) { + return -1; + } + if (ret) { + break; + } + ++i; + } + assert(leaf->known_ && i == leaf->value_ + 1); + } + + endpasses = &cblk->passes[cblk->numpasses]; + startpass = pass; + endpass = startpass; + while (endpass != endpasses && endpass->lyrno == lyrno){ + ++endpass; + } + numnewpasses = endpass - startpass; + if (jpc_putnumnewpasses(outb, numnewpasses)) { + return -1; + } + JAS_DBGLOG(10, ("numnewpasses=%d ", numnewpasses)); + + lastpass = endpass - 1; + n = startpass->start; + passcount = 1; + maxadjust = 0; + for (pass = startpass; pass != endpass; ++pass) { + if (pass->term || pass == lastpass) { + datalen = pass->end - n; + t1 = jpc_firstone(datalen) + 1; + t2 = cblk->numlenbits + jpc_floorlog2(passcount); + adjust = JAS_MAX(t1 - t2, 0); + maxadjust = JAS_MAX(adjust, maxadjust); + n += datalen; + passcount = 1; + } else { + ++passcount; + } + } + if (jpc_putcommacode(outb, maxadjust)) { + return -1; + } + cblk->numlenbits += maxadjust; + + lastpass = endpass - 1; + n = startpass->start; + passcount = 1; + for (pass = startpass; pass != endpass; ++pass) { + if (pass->term || pass == lastpass) { + datalen = pass->end - n; +assert(jpc_firstone(datalen) < cblk->numlenbits + jpc_floorlog2(passcount)); + if (jpc_bitstream_putbits(outb, cblk->numlenbits + jpc_floorlog2(passcount), datalen) == EOF) { + return -1; + } + n += datalen; + passcount = 1; + } else { + ++passcount; + } + } + } + } + + jpc_bitstream_outalign(outb, 0); + jpc_bitstream_close(outb); + + if (cp->tcp.csty & JPC_COD_EPH) { + if (!(ms = jpc_ms_create(JPC_MS_EPH))) { + return -1; + } + jpc_putms(out, enc->cstate, ms); + jpc_ms_destroy(ms); + } + + comp = &tile->tcmpts[compno]; + lvl = &comp->rlvls[lvlno]; + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + prc = &band->prcs[prcno]; + if (!prc->cblks) { + continue; + } + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + pass = cblk->curpass; + + if (!pass) { + continue; + } + if (pass->lyrno != lyrno) { + assert(pass->lyrno < 0 || pass->lyrno > lyrno); + continue; + } + + endpasses = &cblk->passes[cblk->numpasses]; + startpass = pass; + endpass = startpass; + while (endpass != endpasses && endpass->lyrno == lyrno){ + ++endpass; + } + lastpass = endpass - 1; + numnewpasses = endpass - startpass; + + jas_stream_seek(cblk->stream, startpass->start, SEEK_SET); + assert(jas_stream_tell(cblk->stream) == startpass->start); + if (jas_stream_copy(out, cblk->stream, lastpass->end - startpass->start)) { + return -1; + } + cblk->curpass = (endpass != endpasses) ? endpass : 0; + cblk->numencpasses += numnewpasses; + + } + } + + return 0; +} + +void jpc_save_t2state(jpc_enc_t *enc) +{ +/* stream pos in embedded T1 stream may be wrong since not saved/restored! */ + + jpc_enc_tcmpt_t *comp; + jpc_enc_tcmpt_t *endcomps; + jpc_enc_rlvl_t *lvl; + jpc_enc_rlvl_t *endlvls; + jpc_enc_band_t *band; + jpc_enc_band_t *endbands; + jpc_enc_cblk_t *cblk; + jpc_enc_cblk_t *endcblks; + jpc_enc_tile_t *tile; + int prcno; + jpc_enc_prc_t *prc; + + tile = enc->curtile; + + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (comp = tile->tcmpts; comp != endcomps; ++comp) { + endlvls = &comp->rlvls[comp->numrlvls]; + for (lvl = comp->rlvls; lvl != endlvls; ++lvl) { + if (!lvl->bands) { + continue; + } + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { + if (!prc->cblks) { + continue; + } + jpc_tagtree_copy(prc->savincltree, prc->incltree); + jpc_tagtree_copy(prc->savnlibtree, prc->nlibtree); + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + cblk->savedcurpass = cblk->curpass; + cblk->savednumencpasses = cblk->numencpasses; + cblk->savednumlenbits = cblk->numlenbits; + } + } + } + } + } + +} + +void jpc_restore_t2state(jpc_enc_t *enc) +{ + + jpc_enc_tcmpt_t *comp; + jpc_enc_tcmpt_t *endcomps; + jpc_enc_rlvl_t *lvl; + jpc_enc_rlvl_t *endlvls; + jpc_enc_band_t *band; + jpc_enc_band_t *endbands; + jpc_enc_cblk_t *cblk; + jpc_enc_cblk_t *endcblks; + jpc_enc_tile_t *tile; + int prcno; + jpc_enc_prc_t *prc; + + tile = enc->curtile; + + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (comp = tile->tcmpts; comp != endcomps; ++comp) { + endlvls = &comp->rlvls[comp->numrlvls]; + for (lvl = comp->rlvls; lvl != endlvls; ++lvl) { + if (!lvl->bands) { + continue; + } + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { + if (!prc->cblks) { + continue; + } + jpc_tagtree_copy(prc->incltree, prc->savincltree); + jpc_tagtree_copy(prc->nlibtree, prc->savnlibtree); + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + cblk->curpass = cblk->savedcurpass; + cblk->numencpasses = cblk->savednumencpasses; + cblk->numlenbits = cblk->savednumlenbits; + } + } + } + } + } +} + +void jpc_init_t2state(jpc_enc_t *enc, int raflag) +{ +/* It is assumed that band->numbps and cblk->numbps precomputed */ + + jpc_enc_tcmpt_t *comp; + jpc_enc_tcmpt_t *endcomps; + jpc_enc_rlvl_t *lvl; + jpc_enc_rlvl_t *endlvls; + jpc_enc_band_t *band; + jpc_enc_band_t *endbands; + jpc_enc_cblk_t *cblk; + jpc_enc_cblk_t *endcblks; + jpc_enc_pass_t *pass; + jpc_enc_pass_t *endpasses; + jpc_tagtreenode_t *leaf; + jpc_enc_tile_t *tile; + int prcno; + jpc_enc_prc_t *prc; + + tile = enc->curtile; + + endcomps = &tile->tcmpts[tile->numtcmpts]; + for (comp = tile->tcmpts; comp != endcomps; ++comp) { + endlvls = &comp->rlvls[comp->numrlvls]; + for (lvl = comp->rlvls; lvl != endlvls; ++lvl) { + if (!lvl->bands) { + continue; + } + endbands = &lvl->bands[lvl->numbands]; + for (band = lvl->bands; band != endbands; ++band) { + if (!band->data) { + continue; + } + for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { + if (!prc->cblks) { + continue; + } + jpc_tagtree_reset(prc->incltree); + jpc_tagtree_reset(prc->nlibtree); + endcblks = &prc->cblks[prc->numcblks]; + for (cblk = prc->cblks; cblk != endcblks; ++cblk) { + if (jas_stream_rewind(cblk->stream)) { + assert(0); + } + cblk->curpass = (cblk->numpasses > 0) ? cblk->passes : 0; + cblk->numencpasses = 0; + cblk->numlenbits = 3; + cblk->numimsbs = band->numbps - cblk->numbps; + assert(cblk->numimsbs >= 0); + leaf = jpc_tagtree_getleaf(prc->nlibtree, cblk - prc->cblks); + jpc_tagtree_setvalue(prc->nlibtree, leaf, cblk->numimsbs); + + if (raflag) { + endpasses = &cblk->passes[cblk->numpasses]; + for (pass = cblk->passes; pass != endpasses; ++pass) { + pass->lyrno = -1; + pass->lyrno = 0; + } + } + } + } + } + } + } + +} + +jpc_pi_t *jpc_enc_pi_create(jpc_enc_cp_t *cp, jpc_enc_tile_t *tile) +{ + jpc_pi_t *pi; + int compno; + jpc_picomp_t *picomp; + jpc_pirlvl_t *pirlvl; + jpc_enc_tcmpt_t *tcomp; + int rlvlno; + jpc_enc_rlvl_t *rlvl; + int prcno; + int *prclyrno; + + if (!(pi = jpc_pi_create0())) { + return 0; + } + pi->pktno = -1; + pi->numcomps = cp->numcmpts; + if (!(pi->picomps = jas_malloc(pi->numcomps * sizeof(jpc_picomp_t)))) { + jpc_pi_destroy(pi); + return 0; + } + for (compno = 0, picomp = pi->picomps; compno < pi->numcomps; ++compno, + ++picomp) { + picomp->pirlvls = 0; + } + + for (compno = 0, tcomp = tile->tcmpts, picomp = pi->picomps; + compno < pi->numcomps; ++compno, ++tcomp, ++picomp) { + picomp->numrlvls = tcomp->numrlvls; + if (!(picomp->pirlvls = jas_malloc(picomp->numrlvls * + sizeof(jpc_pirlvl_t)))) { + jpc_pi_destroy(pi); + return 0; + } + for (rlvlno = 0, pirlvl = picomp->pirlvls; rlvlno < + picomp->numrlvls; ++rlvlno, ++pirlvl) { + pirlvl->prclyrnos = 0; + } + for (rlvlno = 0, pirlvl = picomp->pirlvls, rlvl = tcomp->rlvls; + rlvlno < picomp->numrlvls; ++rlvlno, ++pirlvl, ++rlvl) { +/* XXX sizeof(long) should be sizeof different type */ + pirlvl->numprcs = rlvl->numprcs; + if (rlvl->numprcs) { + if (!(pirlvl->prclyrnos = jas_malloc(pirlvl->numprcs * + sizeof(long)))) { + jpc_pi_destroy(pi); + return 0; + } + } else { + pirlvl->prclyrnos = 0; + } + } + } + + pi->maxrlvls = 0; + for (compno = 0, tcomp = tile->tcmpts, picomp = pi->picomps; + compno < pi->numcomps; ++compno, ++tcomp, ++picomp) { + picomp->hsamp = cp->ccps[compno].sampgrdstepx; + picomp->vsamp = cp->ccps[compno].sampgrdstepy; + for (rlvlno = 0, pirlvl = picomp->pirlvls, rlvl = tcomp->rlvls; + rlvlno < picomp->numrlvls; ++rlvlno, ++pirlvl, ++rlvl) { + pirlvl->prcwidthexpn = rlvl->prcwidthexpn; + pirlvl->prcheightexpn = rlvl->prcheightexpn; + for (prcno = 0, prclyrno = pirlvl->prclyrnos; + prcno < pirlvl->numprcs; ++prcno, ++prclyrno) { + *prclyrno = 0; + } + pirlvl->numhprcs = rlvl->numhprcs; + } + if (pi->maxrlvls < tcomp->numrlvls) { + pi->maxrlvls = tcomp->numrlvls; + } + } + + pi->numlyrs = tile->numlyrs; + pi->xstart = tile->tlx; + pi->ystart = tile->tly; + pi->xend = tile->brx; + pi->yend = tile->bry; + + pi->picomp = 0; + pi->pirlvl = 0; + pi->x = 0; + pi->y = 0; + pi->compno = 0; + pi->rlvlno = 0; + pi->prcno = 0; + pi->lyrno = 0; + pi->xstep = 0; + pi->ystep = 0; + + pi->pchgno = -1; + + pi->defaultpchg.prgord = tile->prg; + pi->defaultpchg.compnostart = 0; + pi->defaultpchg.compnoend = pi->numcomps; + pi->defaultpchg.rlvlnostart = 0; + pi->defaultpchg.rlvlnoend = pi->maxrlvls; + pi->defaultpchg.lyrnoend = pi->numlyrs; + pi->pchg = 0; + + pi->valid = 0; + + return pi; +} diff --git a/src/libjasper/jpc/jpc_t2enc.h b/src/libjasper/jpc/jpc_t2enc.h new file mode 100644 index 0000000..f2ade16 --- /dev/null +++ b/src/libjasper/jpc/jpc_t2enc.h @@ -0,0 +1,106 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tier 2 Encoder + * + * $Id: jpc_t2enc.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_T2ENC_H +#define JPC_T2ENC_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdio.h> +#include <stdlib.h> +#include <assert.h> + +#include "jpc_enc.h" + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +/* Encode the packets for a tile. */ +int jpc_enc_encpkts(jpc_enc_t *enc, jas_stream_t *out); + +/* Encode the specified packet. */ +int jpc_enc_encpkt(jpc_enc_t *enc, jas_stream_t *out, int compno, int lvlno, + int prcno, int lyrno); + +/* Save the tier-2 coding state. */ +void jpc_save_t2state(jpc_enc_t *enc); + +/* Restore the tier-2 coding state. */ +void jpc_restore_t2state(jpc_enc_t *enc); + +/* Initialize the tier-2 coding state. */ +void jpc_init_t2state(jpc_enc_t *enc, int raflag); + +/* Create a packet iterator for the encoder. */ +jpc_pi_t *jpc_enc_pi_create(jpc_enc_cp_t *cp, jpc_enc_tile_t *tile); + +#endif diff --git a/src/libjasper/jpc/jpc_tagtree.c b/src/libjasper/jpc/jpc_tagtree.c new file mode 100644 index 0000000..c4878d1 --- /dev/null +++ b/src/libjasper/jpc/jpc_tagtree.c @@ -0,0 +1,393 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tag Tree Library + * + * $Id: jpc_tagtree.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <limits.h> +#include <stdlib.h> +#include <assert.h> +#include <stdio.h> + +#include "jasper/jas_malloc.h" + +#include "jpc_tagtree.h" + +/******************************************************************************\ +* Prototypes. +\******************************************************************************/ + +static jpc_tagtree_t *jpc_tagtree_alloc(void); + +/******************************************************************************\ +* Code for creating and destroying tag trees. +\******************************************************************************/ + +/* Create a tag tree. */ + +jpc_tagtree_t *jpc_tagtree_create(int numleafsh, int numleafsv) +{ + int nplh[JPC_TAGTREE_MAXDEPTH]; + int nplv[JPC_TAGTREE_MAXDEPTH]; + jpc_tagtreenode_t *node; + jpc_tagtreenode_t *parentnode; + jpc_tagtreenode_t *parentnode0; + jpc_tagtree_t *tree; + int i; + int j; + int k; + int numlvls; + int n; + + assert(numleafsh > 0 && numleafsv > 0); + + if (!(tree = jpc_tagtree_alloc())) { + return 0; + } + tree->numleafsh_ = numleafsh; + tree->numleafsv_ = numleafsv; + + numlvls = 0; + nplh[0] = numleafsh; + nplv[0] = numleafsv; + do { + n = nplh[numlvls] * nplv[numlvls]; + nplh[numlvls + 1] = (nplh[numlvls] + 1) / 2; + nplv[numlvls + 1] = (nplv[numlvls] + 1) / 2; + tree->numnodes_ += n; + ++numlvls; + } while (n > 1); + + if (!(tree->nodes_ = jas_malloc(tree->numnodes_ * sizeof(jpc_tagtreenode_t)))) { + return 0; + } + + /* Initialize the parent links for all nodes in the tree. */ + + node = tree->nodes_; + parentnode = &tree->nodes_[tree->numleafsh_ * tree->numleafsv_]; + parentnode0 = parentnode; + + for (i = 0; i < numlvls - 1; ++i) { + for (j = 0; j < nplv[i]; ++j) { + k = nplh[i]; + while (--k >= 0) { + node->parent_ = parentnode; + ++node; + if (--k >= 0) { + node->parent_ = parentnode; + ++node; + } + ++parentnode; + } + if ((j & 1) || j == nplv[i] - 1) { + parentnode0 = parentnode; + } else { + parentnode = parentnode0; + parentnode0 += nplh[i]; + } + } + } + node->parent_ = 0; + + /* Initialize the data values to something sane. */ + + jpc_tagtree_reset(tree); + + return tree; +} + +/* Destroy a tag tree. */ + +void jpc_tagtree_destroy(jpc_tagtree_t *tree) +{ + if (tree->nodes_) { + jas_free(tree->nodes_); + } + jas_free(tree); +} + +static jpc_tagtree_t *jpc_tagtree_alloc() +{ + jpc_tagtree_t *tree; + + if (!(tree = jas_malloc(sizeof(jpc_tagtree_t)))) { + return 0; + } + tree->numleafsh_ = 0; + tree->numleafsv_ = 0; + tree->numnodes_ = 0; + tree->nodes_ = 0; + + return tree; +} + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +/* Copy state information from one tag tree to another. */ + +void jpc_tagtree_copy(jpc_tagtree_t *dsttree, jpc_tagtree_t *srctree) +{ + int n; + jpc_tagtreenode_t *srcnode; + jpc_tagtreenode_t *dstnode; + + /* The two tag trees must have similar sizes. */ + assert(srctree->numleafsh_ == dsttree->numleafsh_ && + srctree->numleafsv_ == dsttree->numleafsv_); + + n = srctree->numnodes_; + srcnode = srctree->nodes_; + dstnode = dsttree->nodes_; + while (--n >= 0) { + dstnode->value_ = srcnode->value_; + dstnode->low_ = srcnode->low_; + dstnode->known_ = srcnode->known_; + ++dstnode; + ++srcnode; + } +} + +/* Reset all of the state information associated with a tag tree. */ + +void jpc_tagtree_reset(jpc_tagtree_t *tree) +{ + int n; + jpc_tagtreenode_t *node; + + n = tree->numnodes_; + node = tree->nodes_; + + while (--n >= 0) { + node->value_ = INT_MAX; + node->low_ = 0; + node->known_ = 0; + ++node; + } +} + +/* Set the value associated with the specified leaf node, updating +the other nodes as necessary. */ + +void jpc_tagtree_setvalue(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf, + int value) +{ + jpc_tagtreenode_t *node; + + /* Avoid compiler warnings about unused parameters. */ + tree = 0; + + assert(value >= 0); + + node = leaf; + while (node && node->value_ > value) { + node->value_ = value; + node = node->parent_; + } +} + +/* Get a particular leaf node. */ + +jpc_tagtreenode_t *jpc_tagtree_getleaf(jpc_tagtree_t *tree, int n) +{ + return &tree->nodes_[n]; +} + +/* Invoke the tag tree encoding procedure. */ + +int jpc_tagtree_encode(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf, + int threshold, jpc_bitstream_t *out) +{ + jpc_tagtreenode_t *stk[JPC_TAGTREE_MAXDEPTH - 1]; + jpc_tagtreenode_t **stkptr; + jpc_tagtreenode_t *node; + int low; + + /* Avoid compiler warnings about unused parameters. */ + tree = 0; + + assert(leaf); + assert(threshold >= 0); + + /* Traverse to the root of the tree, recording the path taken. */ + stkptr = stk; + node = leaf; + while (node->parent_) { + *stkptr++ = node; + node = node->parent_; + } + + low = 0; + for (;;) { + if (low > node->low_) { + /* Deferred propagation of the lower bound downward in + the tree. */ + node->low_ = low; + } else { + low = node->low_; + } + + while (low < threshold) { + if (low >= node->value_) { + if (!node->known_) { + if (jpc_bitstream_putbit(out, 1) == EOF) { + return -1; + } + node->known_ = 1; + } + break; + } + if (jpc_bitstream_putbit(out, 0) == EOF) { + return -1; + } + ++low; + } + node->low_ = low; + if (stkptr == stk) { + break; + } + node = *--stkptr; + + } + return (leaf->low_ < threshold) ? 1 : 0; + +} + +/* Invoke the tag tree decoding procedure. */ + +int jpc_tagtree_decode(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf, + int threshold, jpc_bitstream_t *in) +{ + jpc_tagtreenode_t *stk[JPC_TAGTREE_MAXDEPTH - 1]; + jpc_tagtreenode_t **stkptr; + jpc_tagtreenode_t *node; + int low; + int ret; + + /* Avoid compiler warnings about unused parameters. */ + tree = 0; + + assert(threshold >= 0); + + /* Traverse to the root of the tree, recording the path taken. */ + stkptr = stk; + node = leaf; + while (node->parent_) { + *stkptr++ = node; + node = node->parent_; + } + + low = 0; + for (;;) { + if (low > node->low_) { + node->low_ = low; + } else { + low = node->low_; + } + while (low < threshold && low < node->value_) { + if ((ret = jpc_bitstream_getbit(in)) < 0) { + return -1; + } + if (ret) { + node->value_ = low; + } else { + ++low; + } + } + node->low_ = low; + if (stkptr == stk) { + break; + } + node = *--stkptr; + } + + return (node->value_ < threshold) ? 1 : 0; +} + +/******************************************************************************\ +* Code for debugging. +\******************************************************************************/ + +void jpc_tagtree_dump(jpc_tagtree_t *tree, FILE *out) +{ + jpc_tagtreenode_t *node; + int n; + + node = tree->nodes_; + n = tree->numnodes_; + while (--n >= 0) { + fprintf(out, "node %p, parent %p, value %d, lower %d, known %d\n", + (void *) node, (void *) node->parent_, node->value_, node->low_, + node->known_); + ++node; + } +} diff --git a/src/libjasper/jpc/jpc_tagtree.h b/src/libjasper/jpc/jpc_tagtree.h new file mode 100644 index 0000000..22c4b84 --- /dev/null +++ b/src/libjasper/jpc/jpc_tagtree.h @@ -0,0 +1,167 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tag Tree Library + * + * $Id: jpc_tagtree.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_TAGTREE_H +#define JPC_TAGTREE_H + +/******************************************************************************\ +* Includes +\******************************************************************************/ + +#include <limits.h> +#include <stdio.h> + +#include "jpc_bs.h" + +/******************************************************************************\ +* Constants +\******************************************************************************/ + +/* The maximum allowable depth for a tag tree. */ +#define JPC_TAGTREE_MAXDEPTH 32 + +/******************************************************************************\ +* Types +\******************************************************************************/ + +/* + * Tag tree node. + */ + +typedef struct jpc_tagtreenode_ { + + /* The parent of this node. */ + struct jpc_tagtreenode_ *parent_; + + /* The value associated with this node. */ + int value_; + + /* The lower bound on the value associated with this node. */ + int low_; + + /* A flag indicating if the value is known exactly. */ + int known_; + +} jpc_tagtreenode_t; + +/* + * Tag tree. + */ + +typedef struct { + + /* The number of leaves in the horizontal direction. */ + int numleafsh_; + + /* The number of leaves in the vertical direction. */ + int numleafsv_; + + /* The total number of nodes in the tree. */ + int numnodes_; + + /* The nodes. */ + jpc_tagtreenode_t *nodes_; + +} jpc_tagtree_t; + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +/* Create a tag tree. */ +jpc_tagtree_t *jpc_tagtree_create(int numleafsh, int numleafsv); + +/* Destroy a tag tree. */ +void jpc_tagtree_destroy(jpc_tagtree_t *tree); + +/* Copy data from one tag tree to another. */ +void jpc_tagtree_copy(jpc_tagtree_t *dsttree, jpc_tagtree_t *srctree); + +/* Reset the tag tree state. */ +void jpc_tagtree_reset(jpc_tagtree_t *tree); + +/* Set the value associated with a particular leaf node of a tag tree. */ +void jpc_tagtree_setvalue(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf, + int value); + +/* Get a pointer to a particular leaf node. */ +jpc_tagtreenode_t *jpc_tagtree_getleaf(jpc_tagtree_t *tree, int n); + +/* Invoke the tag tree decoding procedure. */ +int jpc_tagtree_decode(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf, + int threshold, jpc_bitstream_t *in); + +/* Invoke the tag tree encoding procedure. */ +int jpc_tagtree_encode(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf, + int threshold, jpc_bitstream_t *out); + +/* Dump a tag tree (for debugging purposes). */ +void jpc_tagtree_dump(jpc_tagtree_t *tree, FILE *out); + +#endif diff --git a/src/libjasper/jpc/jpc_tsfb.c b/src/libjasper/jpc/jpc_tsfb.c new file mode 100644 index 0000000..6f332ff --- /dev/null +++ b/src/libjasper/jpc/jpc_tsfb.c @@ -0,0 +1,288 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2004 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tree-Structured Filter Bank (TSFB) Library + * + * $Id: jpc_tsfb.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <assert.h> + +#include "jasper/jas_malloc.h" +#include "jasper/jas_seq.h" + +#include "jpc_tsfb.h" +#include "jpc_cod.h" +#include "jpc_cs.h" +#include "jpc_util.h" +#include "jpc_math.h" + +void jpc_tsfb_getbands2(jpc_tsfb_t *tsfb, int locxstart, int locystart, + int xstart, int ystart, int xend, int yend, jpc_tsfb_band_t **bands, + int numlvls); + +/******************************************************************************\ +* +\******************************************************************************/ + +jpc_tsfb_t *jpc_cod_gettsfb(int qmfbid, int numlvls) +{ + jpc_tsfb_t *tsfb; + + if (!(tsfb = malloc(sizeof(jpc_tsfb_t)))) + return 0; + + if (numlvls > 0) { + switch (qmfbid) { + case JPC_COX_INS: + tsfb->qmfb = &jpc_ns_qmfb2d; + break; + default: + case JPC_COX_RFT: + tsfb->qmfb = &jpc_ft_qmfb2d; + break; + } + } else { + tsfb->qmfb = 0; + } + tsfb->numlvls = numlvls; + return tsfb; +} + +void jpc_tsfb_destroy(jpc_tsfb_t *tsfb) +{ + free(tsfb); +} + +int jpc_tsfb_analyze(jpc_tsfb_t *tsfb, jas_seq2d_t *a) +{ + return (tsfb->numlvls > 0) ? jpc_tsfb_analyze2(tsfb, jas_seq2d_getref(a, + jas_seq2d_xstart(a), jas_seq2d_ystart(a)), jas_seq2d_xstart(a), + jas_seq2d_ystart(a), jas_seq2d_width(a), + jas_seq2d_height(a), jas_seq2d_rowstep(a), tsfb->numlvls - 1) : 0; +} + +int jpc_tsfb_analyze2(jpc_tsfb_t *tsfb, int *a, int xstart, int ystart, + int width, int height, int stride, int numlvls) +{ + if (width > 0 && height > 0) { + if ((*tsfb->qmfb->analyze)(a, xstart, ystart, width, height, stride)) + return -1; + if (numlvls > 0) { + if (jpc_tsfb_analyze2(tsfb, a, JPC_CEILDIVPOW2(xstart, + 1), JPC_CEILDIVPOW2(ystart, 1), JPC_CEILDIVPOW2( + xstart + width, 1) - JPC_CEILDIVPOW2(xstart, 1), + JPC_CEILDIVPOW2(ystart + height, 1) - + JPC_CEILDIVPOW2(ystart, 1), stride, numlvls - 1)) { + return -1; + } + } + } + return 0; +} + +int jpc_tsfb_synthesize(jpc_tsfb_t *tsfb, jas_seq2d_t *a) +{ + return (tsfb->numlvls > 0) ? jpc_tsfb_synthesize2(tsfb, + jas_seq2d_getref(a, jas_seq2d_xstart(a), jas_seq2d_ystart(a)), + jas_seq2d_xstart(a), jas_seq2d_ystart(a), jas_seq2d_width(a), + jas_seq2d_height(a), jas_seq2d_rowstep(a), tsfb->numlvls - 1) : 0; +} + +int jpc_tsfb_synthesize2(jpc_tsfb_t *tsfb, int *a, int xstart, int ystart, + int width, int height, int stride, int numlvls) +{ + if (numlvls > 0) { + if (jpc_tsfb_synthesize2(tsfb, a, JPC_CEILDIVPOW2(xstart, 1), + JPC_CEILDIVPOW2(ystart, 1), JPC_CEILDIVPOW2(xstart + width, + 1) - JPC_CEILDIVPOW2(xstart, 1), JPC_CEILDIVPOW2(ystart + + height, 1) - JPC_CEILDIVPOW2(ystart, 1), stride, numlvls - + 1)) { + return -1; + } + } + if (width > 0 && height > 0) { + if ((*tsfb->qmfb->synthesize)(a, xstart, ystart, width, height, stride)) { + return -1; + } + } + return 0; +} + +int jpc_tsfb_getbands(jpc_tsfb_t *tsfb, uint_fast32_t xstart, + uint_fast32_t ystart, uint_fast32_t xend, uint_fast32_t yend, + jpc_tsfb_band_t *bands) +{ + jpc_tsfb_band_t *band; + + band = bands; + if (tsfb->numlvls > 0) { + jpc_tsfb_getbands2(tsfb, xstart, ystart, xstart, ystart, xend, yend, + &band, tsfb->numlvls); + } else { + + band->xstart = xstart; + band->ystart = ystart; + band->xend = xend; + band->yend = yend; + band->locxstart = xstart; + band->locystart = ystart; + band->locxend = band->locxstart + band->xend - band->xstart; + band->locyend = band->locystart + band->yend - band->ystart; + band->orient = JPC_TSFB_LL; + band->synenergywt = JPC_FIX_ONE; + ++band; + } + return band - bands; +} + +void jpc_tsfb_getbands2(jpc_tsfb_t *tsfb, int locxstart, int locystart, + int xstart, int ystart, int xend, int yend, jpc_tsfb_band_t **bands, + int numlvls) +{ + int newxstart; + int newystart; + int newxend; + int newyend; + jpc_tsfb_band_t *band; + + newxstart = JPC_CEILDIVPOW2(xstart, 1); + newystart = JPC_CEILDIVPOW2(ystart, 1); + newxend = JPC_CEILDIVPOW2(xend, 1); + newyend = JPC_CEILDIVPOW2(yend, 1); + + if (numlvls > 0) { + + jpc_tsfb_getbands2(tsfb, locxstart, locystart, newxstart, newystart, + newxend, newyend, bands, numlvls - 1); + + band = *bands; + band->xstart = JPC_FLOORDIVPOW2(xstart, 1); + band->ystart = newystart; + band->xend = JPC_FLOORDIVPOW2(xend, 1); + band->yend = newyend; + band->locxstart = locxstart + newxend - newxstart; + band->locystart = locystart; + band->locxend = band->locxstart + band->xend - band->xstart; + band->locyend = band->locystart + band->yend - band->ystart; + band->orient = JPC_TSFB_HL; + band->synenergywt = jpc_dbltofix(tsfb->qmfb->hpenergywts[ + tsfb->numlvls - numlvls] * tsfb->qmfb->lpenergywts[ + tsfb->numlvls - numlvls]); + ++(*bands); + + band = *bands; + band->xstart = newxstart; + band->ystart = JPC_FLOORDIVPOW2(ystart, 1); + band->xend = newxend; + band->yend = JPC_FLOORDIVPOW2(yend, 1); + band->locxstart = locxstart; + band->locystart = locystart + newyend - newystart; + band->locxend = band->locxstart + band->xend - band->xstart; + band->locyend = band->locystart + band->yend - band->ystart; + band->orient = JPC_TSFB_LH; + band->synenergywt = jpc_dbltofix(tsfb->qmfb->lpenergywts[ + tsfb->numlvls - numlvls] * tsfb->qmfb->hpenergywts[ + tsfb->numlvls - numlvls]); + ++(*bands); + + band = *bands; + band->xstart = JPC_FLOORDIVPOW2(xstart, 1); + band->ystart = JPC_FLOORDIVPOW2(ystart, 1); + band->xend = JPC_FLOORDIVPOW2(xend, 1); + band->yend = JPC_FLOORDIVPOW2(yend, 1); + band->locxstart = locxstart + newxend - newxstart; + band->locystart = locystart + newyend - newystart; + band->locxend = band->locxstart + band->xend - band->xstart; + band->locyend = band->locystart + band->yend - band->ystart; + band->orient = JPC_TSFB_HH; + band->synenergywt = jpc_dbltofix(tsfb->qmfb->hpenergywts[ + tsfb->numlvls - numlvls] * tsfb->qmfb->hpenergywts[ + tsfb->numlvls - numlvls]); + ++(*bands); + + } else { + + band = *bands; + band->xstart = xstart; + band->ystart = ystart; + band->xend = xend; + band->yend = yend; + band->locxstart = locxstart; + band->locystart = locystart; + band->locxend = band->locxstart + band->xend - band->xstart; + band->locyend = band->locystart + band->yend - band->ystart; + band->orient = JPC_TSFB_LL; + band->synenergywt = jpc_dbltofix(tsfb->qmfb->lpenergywts[ + tsfb->numlvls - numlvls - 1] * tsfb->qmfb->lpenergywts[ + tsfb->numlvls - numlvls - 1]); + ++(*bands); + + } + +} diff --git a/src/libjasper/jpc/jpc_tsfb.h b/src/libjasper/jpc/jpc_tsfb.h new file mode 100644 index 0000000..3285e51 --- /dev/null +++ b/src/libjasper/jpc/jpc_tsfb.h @@ -0,0 +1,138 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2004 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * Tree-Structured Filter Bank (TSFB) Library + * + * $Id: jpc_tsfb.h,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +#ifndef JPC_TSFB_H +#define JPC_TSFB_H + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include "jasper/jas_seq.h" + +#include "jpc_fix.h" +#include "jpc_qmfb.h" + +/******************************************************************************\ +* Constants. +\******************************************************************************/ + +#define JPC_TSFB_MAXBANDS (JPC_TSFB_MAXDEPTH * 3 + 1) +#define JPC_TSFB_MAXDEPTH 32 +#define JPC_TSFB_RITIMODE JPC_QMFB1D_RITIMODE + +#define JPC_TSFB_LL 0 +#define JPC_TSFB_LH 1 +#define JPC_TSFB_HL 2 +#define JPC_TSFB_HH 3 + +/******************************************************************************\ +* Types. +\******************************************************************************/ + +typedef struct { + int xstart; + int ystart; + int xend; + int yend; + int orient; + int locxstart; + int locystart; + int locxend; + int locyend; + jpc_fix_t synenergywt; +} jpc_tsfb_band_t; + +typedef struct { + int numlvls; + jpc_qmfb2d_t *qmfb; +} jpc_tsfb_t; + +/******************************************************************************\ +* Functions. +\******************************************************************************/ + +/* Create a TSFB. */ +jpc_tsfb_t *jpc_cod_gettsfb(int qmfbid, int numlevels); + +/* Destroy a TSFB. */ +void jpc_tsfb_destroy(jpc_tsfb_t *tsfb); + +/* Perform analysis. */ +int jpc_tsfb_analyze(jpc_tsfb_t *tsfb, jas_seq2d_t *x); + +/* Perform synthesis. */ +int jpc_tsfb_synthesize(jpc_tsfb_t *tsfb, jas_seq2d_t *x); + +/* Get band information for a TSFB. */ +int jpc_tsfb_getbands(jpc_tsfb_t *tsfb, uint_fast32_t xstart, + uint_fast32_t ystart, uint_fast32_t xend, uint_fast32_t yend, + jpc_tsfb_band_t *bands); + +#endif diff --git a/src/libjasper/jpc/jpc_util.c b/src/libjasper/jpc/jpc_util.c new file mode 100644 index 0000000..7dfeb63 --- /dev/null +++ b/src/libjasper/jpc/jpc_util.c @@ -0,0 +1,194 @@ +/* + * Copyright (c) 1999-2000 Image Power, Inc. and the University of + * British Columbia. + * Copyright (c) 2001-2003 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/* + * $Id: jpc_util.c,v 1.1 2008/10/17 06:15:00 scuri Exp $ + */ + +/******************************************************************************\ +* Includes +\******************************************************************************/ + +#include <assert.h> +#include <stdio.h> +#include <string.h> +#include <math.h> +#include <stdlib.h> +#include <stdarg.h> + +#include "jasper/jas_math.h" +#include "jasper/jas_malloc.h" + +#include "jpc_fix.h" +#include "jpc_cs.h" +#include "jpc_flt.h" +#include "jpc_util.h" + +/******************************************************************************\ +* Miscellaneous Functions +\******************************************************************************/ + +int jpc_atoaf(char *s, int *numvalues, double **values) +{ + static char delim[] = ", \t\n"; + char buf[4096]; + int n; + double *vs; + char *cp; + + strncpy(buf, s, sizeof(buf)); + buf[sizeof(buf) - 1] = '\0'; + n = 0; + if ((cp = strtok(buf, delim))) { + ++n; + while ((cp = strtok(0, delim))) { + if (cp != '\0') { + ++n; + } + } + } + + if (n) { + if (!(vs = jas_malloc(n * sizeof(double)))) { + return -1; + } + + strncpy(buf, s, sizeof(buf)); + buf[sizeof(buf) - 1] = '\0'; + n = 0; + if ((cp = strtok(buf, delim))) { + vs[n] = atof(cp); + ++n; + while ((cp = strtok(0, delim))) { + if (cp != '\0') { + vs[n] = atof(cp); + ++n; + } + } + } + } else { + vs = 0; + } + + *numvalues = n; + *values = vs; + + return 0; +} + +jas_seq_t *jpc_seq_upsample(jas_seq_t *x, int m) +{ + jas_seq_t *z; + int i; + + if (!(z = jas_seq_create(jas_seq_start(x) * m, (jas_seq_end(x) - 1) * m + 1))) + return 0; + for (i = jas_seq_start(z); i < jas_seq_end(z); i++) { + *jas_seq_getref(z, i) = (!JAS_MOD(i, m)) ? jas_seq_get(x, i / m) : + jpc_inttofix(0); + } + + return z; +} + +jpc_fix_t jpc_seq_norm(jas_seq_t *x) +{ + jpc_fix_t s; + int i; + + s = jpc_inttofix(0); + for (i = jas_seq_start(x); i < jas_seq_end(x); i++) { + s = jpc_fix_add(s, jpc_fix_mul(jas_seq_get(x, i), jas_seq_get(x, i))); + } + + return jpc_dbltofix(sqrt(jpc_fixtodbl(s))); +} + +jas_seq_t *jpc_seq_conv(jas_seq_t *x, jas_seq_t *y) +{ + int i; + int j; + int k; + jas_seq_t *z; + jpc_fix_t s; + jpc_fix_t v; + + z = jas_seq_create(jas_seq_start(x) + jas_seq_start(y), + jas_seq_end(x) + jas_seq_end(y) - 1); + assert(z); + for (i = jas_seq_start(z); i < jas_seq_end(z); i++) { + s = jpc_inttofix(0); + for (j = jas_seq_start(y); j < jas_seq_end(y); j++) { + k = i - j; + if (k < jas_seq_start(x) || k >= jas_seq_end(x)) { + v = JPC_FIX_ZERO; + } else { + v = jas_seq_get(x, k); + } + s = jpc_fix_add(s, jpc_fix_mul(jas_seq_get(y, j), v)); + } + *jas_seq_getref(z, i) = s; + } + + return z; +} diff --git a/src/libjasper/jpc/jpc_util.h b/src/libjasper/jpc/jpc_util.h new file mode 100644 index 0000000..526312a --- /dev/null +++ b/src/libjasper/jpc/jpc_util.h @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +#ifndef JPC_UTIL_H +#define JPC_UTIL_H + +/* Parse a comma separated list of real numbers into an array of doubles. */ +int jpc_atoaf(char *s, int *numvalues, double **values); + +/* Upsample a sequence. */ +jas_seq_t *jpc_seq_upsample(jas_seq_t *seq, int n); + +/* Convolve two sequences. */ +jas_seq_t *jpc_seq_conv(jas_seq_t *seq0, jas_seq_t *seq1); + +/* Compute the norm of a sequence. */ +jpc_fix_t jpc_seq_norm(jas_seq_t *x); + +#endif |