/* * 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