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Diffstat (limited to 'src/libjasper/jpc/jpc_cs.c')
| -rw-r--r-- | src/libjasper/jpc/jpc_cs.c | 1644 |
1 files changed, 1644 insertions, 0 deletions
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); +} |