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646 lines
16 KiB
646 lines
16 KiB
/* |
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* Copyright (c) 1999-2000 Image Power, Inc. and the University of |
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* British Columbia. |
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* Copyright (c) 2001-2002 Michael David Adams. |
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* All rights reserved. |
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*/ |
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/* __START_OF_JASPER_LICENSE__ |
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* |
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* JasPer License Version 2.0 |
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* |
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* Copyright (c) 2001-2006 Michael David Adams |
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* Copyright (c) 1999-2000 Image Power, Inc. |
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* Copyright (c) 1999-2000 The University of British Columbia |
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* |
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* All rights reserved. |
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* |
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* Permission is hereby granted, free of charge, to any person (the |
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* "User") obtaining a copy of this software and associated documentation |
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* files (the "Software"), to deal in the Software without restriction, |
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* including without limitation the rights to use, copy, modify, merge, |
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* publish, distribute, and/or sell copies of the Software, and to permit |
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* persons to whom the Software is furnished to do so, subject to the |
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* following conditions: |
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* |
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* 1. The above copyright notices and this permission notice (which |
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* includes the disclaimer below) shall be included in all copies or |
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* substantial portions of the Software. |
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* |
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* 2. The name of a copyright holder shall not be used to endorse or |
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* promote products derived from the Software without specific prior |
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* written permission. |
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* |
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* THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS |
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* LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER |
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* THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS |
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* "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A |
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* PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO |
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL |
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* INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING |
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, |
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION |
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE |
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* PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE |
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* THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. |
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* EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS |
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* BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL |
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* PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS |
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* GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE |
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* ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE |
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* IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL |
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* SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, |
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* AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL |
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* SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH |
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* THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, |
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* PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH |
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* RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY |
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* EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. |
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* |
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* __END_OF_JASPER_LICENSE__ |
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*/ |
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/* |
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* $Id: jpc_enc.h,v 1.2 2008-05-26 09:40:52 vp153 Exp $ |
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*/ |
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#ifndef JPC_ENC_H |
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#define JPC_ENC_H |
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/******************************************************************************\ |
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* Includes. |
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\******************************************************************************/ |
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#include "jasper/jas_seq.h" |
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#include "jpc_t2cod.h" |
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#include "jpc_mqenc.h" |
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#include "jpc_cod.h" |
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#include "jpc_tagtree.h" |
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#include "jpc_cs.h" |
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#include "jpc_flt.h" |
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#include "jpc_tsfb.h" |
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/******************************************************************************\ |
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* Constants. |
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\******************************************************************************/ |
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/* The number of bits used in various lookup tables. */ |
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#define JPC_NUMEXTRABITS JPC_NMSEDEC_FRACBITS |
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/* An invalid R-D slope value. */ |
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#define JPC_BADRDSLOPE (-1) |
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/******************************************************************************\ |
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* Coding parameters types. |
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\******************************************************************************/ |
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/* Per-component coding paramters. */ |
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typedef struct { |
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/* The horizontal sampling period. */ |
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uint_fast8_t sampgrdstepx; |
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/* The vertical sampling period. */ |
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uint_fast8_t sampgrdstepy; |
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/* The sample alignment horizontal offset. */ |
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uint_fast8_t sampgrdsubstepx; |
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/* The sample alignment vertical offset. */ |
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uint_fast8_t sampgrdsubstepy; |
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/* The precision of the samples. */ |
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uint_fast8_t prec; |
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/* The signedness of the samples. */ |
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bool sgnd; |
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/* The number of step sizes. */ |
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uint_fast16_t numstepsizes; |
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/* The quantizer step sizes. */ |
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uint_fast16_t stepsizes[JPC_MAXBANDS]; |
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} jpc_enc_ccp_t; |
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/* Per-tile coding parameters. */ |
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typedef struct { |
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/* The coding mode. */ |
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bool intmode; |
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/* The coding style (i.e., SOP, EPH). */ |
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uint_fast8_t csty; |
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/* The progression order. */ |
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uint_fast8_t prg; |
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/* The multicomponent transform. */ |
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uint_fast8_t mctid; |
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/* The number of layers. */ |
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uint_fast16_t numlyrs; |
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/* The normalized bit rates associated with the various |
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intermediate layers. */ |
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jpc_fix_t *ilyrrates; |
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} jpc_enc_tcp_t; |
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/* Per tile-component coding parameters. */ |
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typedef struct { |
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/* The coding style (i.e., explicit precinct sizes). */ |
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uint_fast8_t csty; |
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/* The maximum number of resolution levels allowed. */ |
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uint_fast8_t maxrlvls; |
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/* The exponent for the nominal code block width. */ |
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uint_fast16_t cblkwidthexpn; |
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/* The exponent for the nominal code block height. */ |
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uint_fast16_t cblkheightexpn; |
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/* The code block style parameters (e.g., lazy, terminate all, |
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segmentation symbols, causal, reset probability models). */ |
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uint_fast8_t cblksty; |
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/* The QMFB. */ |
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uint_fast8_t qmfbid; |
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/* The precinct width values. */ |
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uint_fast16_t prcwidthexpns[JPC_MAXRLVLS]; |
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/* The precinct height values. */ |
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uint_fast16_t prcheightexpns[JPC_MAXRLVLS]; |
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/* The number of guard bits. */ |
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uint_fast8_t numgbits; |
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} jpc_enc_tccp_t; |
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/* Coding parameters. */ |
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typedef struct { |
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/* The debug level. */ |
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int debug; |
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/* The horizontal offset from the origin of the reference grid to the |
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left edge of the image area. */ |
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uint_fast32_t imgareatlx; |
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/* The vertical offset from the origin of the reference grid to the |
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top edge of the image area. */ |
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uint_fast32_t imgareatly; |
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/* The horizontal offset from the origin of the reference grid to the |
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right edge of the image area (plus one). */ |
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uint_fast32_t refgrdwidth; |
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/* The vertical offset from the origin of the reference grid to the |
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bottom edge of the image area (plus one). */ |
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uint_fast32_t refgrdheight; |
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/* The horizontal offset from the origin of the tile grid to the |
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origin of the reference grid. */ |
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uint_fast32_t tilegrdoffx; |
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/* The vertical offset from the origin of the tile grid to the |
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origin of the reference grid. */ |
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uint_fast32_t tilegrdoffy; |
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/* The nominal tile width in units of the image reference grid. */ |
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uint_fast32_t tilewidth; |
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/* The nominal tile height in units of the image reference grid. */ |
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uint_fast32_t tileheight; |
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/* The number of tiles spanning the image area in the horizontal |
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direction. */ |
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uint_fast32_t numhtiles; |
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/* The number of tiles spanning the image area in the vertical |
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direction. */ |
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uint_fast32_t numvtiles; |
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/* The number of tiles. */ |
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uint_fast32_t numtiles; |
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/* The number of components. */ |
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uint_fast16_t numcmpts; |
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/* The per-component coding parameters. */ |
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jpc_enc_ccp_t *ccps; |
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/* The per-tile coding parameters. */ |
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jpc_enc_tcp_t tcp; |
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/* The per-tile-component coding parameters. */ |
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jpc_enc_tccp_t tccp; |
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/* The target code stream length in bytes. */ |
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uint_fast32_t totalsize; |
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/* The raw (i.e., uncompressed) size of the image in bytes. */ |
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uint_fast32_t rawsize; |
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} jpc_enc_cp_t; |
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/******************************************************************************\ |
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* Encoder class. |
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\******************************************************************************/ |
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/* Encoder per-coding-pass state information. */ |
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typedef struct { |
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/* The starting offset for this pass. */ |
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int start; |
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/* The ending offset for this pass. */ |
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int end; |
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/* The type of data in this pass (i.e., MQ or raw). */ |
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int type; |
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/* Flag indicating that this pass is terminated. */ |
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int term; |
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/* The entropy coder state after coding this pass. */ |
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jpc_mqencstate_t mqencstate; |
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/* The layer to which this pass has been assigned. */ |
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int lyrno; |
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/* The R-D slope for this pass. */ |
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jpc_flt_t rdslope; |
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/* The weighted MSE reduction associated with this pass. */ |
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jpc_flt_t wmsedec; |
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/* The cumulative weighted MSE reduction. */ |
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jpc_flt_t cumwmsedec; |
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/* The normalized MSE reduction. */ |
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long nmsedec; |
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} jpc_enc_pass_t; |
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/* Encoder per-code-block state information. */ |
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typedef struct { |
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/* The number of passes. */ |
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int numpasses; |
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/* The per-pass information. */ |
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jpc_enc_pass_t *passes; |
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/* The number of passes encoded so far. */ |
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int numencpasses; |
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/* The number of insignificant MSBs. */ |
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int numimsbs; |
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/* The number of bits used to encode pass data lengths. */ |
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int numlenbits; |
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/* The byte stream for this code block. */ |
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jas_stream_t *stream; |
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/* The entropy encoder. */ |
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jpc_mqenc_t *mqenc; |
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/* The data for this code block. */ |
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jas_matrix_t *data; |
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/* The state for this code block. */ |
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jas_matrix_t *flags; |
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/* The number of bit planes required for this code block. */ |
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int numbps; |
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/* The next pass to be encoded. */ |
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jpc_enc_pass_t *curpass; |
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/* The per-code-block-group state information. */ |
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struct jpc_enc_prc_s *prc; |
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/* The saved current pass. */ |
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/* This is used by the rate control code. */ |
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jpc_enc_pass_t *savedcurpass; |
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/* The saved length indicator size. */ |
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/* This is used by the rate control code. */ |
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int savednumlenbits; |
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/* The saved number of encoded passes. */ |
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/* This is used by the rate control code. */ |
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int savednumencpasses; |
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} jpc_enc_cblk_t; |
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/* Encoder per-code-block-group state information. */ |
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typedef struct jpc_enc_prc_s { |
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/* The x-coordinate of the top-left corner of the precinct. */ |
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uint_fast32_t tlx; |
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/* The y-coordinate of the top-left corner of the precinct. */ |
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uint_fast32_t tly; |
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/* The x-coordinate of the bottom-right corner of the precinct |
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(plus one). */ |
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uint_fast32_t brx; |
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/* The y-coordinate of the bottom-right corner of the precinct |
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(plus one). */ |
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uint_fast32_t bry; |
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/* The number of code blocks spanning the precinct in the horizontal |
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direction. */ |
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int numhcblks; |
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/* The number of code blocks spanning the precinct in the vertical |
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direction. */ |
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int numvcblks; |
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/* The total number of code blocks. */ |
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int numcblks; |
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/* The per-code-block information. */ |
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jpc_enc_cblk_t *cblks; |
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/* The inclusion tag tree. */ |
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jpc_tagtree_t *incltree; |
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/* The insignifcant MSBs tag tree. */ |
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jpc_tagtree_t *nlibtree; |
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/* The per-band information. */ |
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struct jpc_enc_band_s *band; |
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/* The saved inclusion tag tree. */ |
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/* This is used by rate control. */ |
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jpc_tagtree_t *savincltree; |
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/* The saved leading-insignificant-bit-planes tag tree. */ |
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/* This is used by rate control. */ |
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jpc_tagtree_t *savnlibtree; |
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} jpc_enc_prc_t; |
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/* Encoder per-band state information. */ |
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typedef struct jpc_enc_band_s { |
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/* The per precinct information. */ |
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jpc_enc_prc_t *prcs; |
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/* The coefficient data for this band. */ |
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jas_matrix_t *data; |
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/* The orientation of this band (i.e., LL, LH, HL, or HH). */ |
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int orient; |
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/* The number of bit planes associated with this band. */ |
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int numbps; |
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/* The quantizer step size. */ |
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jpc_fix_t absstepsize; |
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/* The encoded quantizer step size. */ |
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int stepsize; |
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/* The L2 norm of the synthesis basis functions associated with |
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this band. (The MCT is not considered in this value.) */ |
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jpc_fix_t synweight; |
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/* The analysis gain for this band. */ |
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int analgain; |
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/* The per-resolution-level information. */ |
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struct jpc_enc_rlvl_s *rlvl; |
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} jpc_enc_band_t; |
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/* Encoder per-resolution-level state information. */ |
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typedef struct jpc_enc_rlvl_s { |
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/* The x-coordinate of the top-left corner of the tile-component |
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at this resolution. */ |
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uint_fast32_t tlx; |
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/* The y-coordinate of the top-left corner of the tile-component |
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at this resolution. */ |
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uint_fast32_t tly; |
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/* The x-coordinate of the bottom-right corner of the tile-component |
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at this resolution (plus one). */ |
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uint_fast32_t brx; |
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/* The y-coordinate of the bottom-right corner of the tile-component |
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at this resolution (plus one). */ |
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uint_fast32_t bry; |
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/* The exponent value for the nominal precinct width measured |
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relative to the associated LL band. */ |
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int prcwidthexpn; |
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/* The exponent value for the nominal precinct height measured |
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relative to the associated LL band. */ |
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int prcheightexpn; |
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/* The number of precincts spanning the resolution level in the |
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horizontal direction. */ |
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int numhprcs; |
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/* The number of precincts spanning the resolution level in the |
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vertical direction. */ |
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int numvprcs; |
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/* The total number of precincts. */ |
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int numprcs; |
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/* The exponent value for the nominal code block group width. |
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This quantity is associated with the next lower resolution level |
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(assuming that there is one). */ |
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int cbgwidthexpn; |
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/* The exponent value for the nominal code block group height. |
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This quantity is associated with the next lower resolution level |
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(assuming that there is one). */ |
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int cbgheightexpn; |
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/* The exponent value for the code block width. */ |
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uint_fast16_t cblkwidthexpn; |
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/* The exponent value for the code block height. */ |
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uint_fast16_t cblkheightexpn; |
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/* The number of bands associated with this resolution level. */ |
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int numbands; |
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/* The per-band information. */ |
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jpc_enc_band_t *bands; |
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/* The parent tile-component. */ |
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struct jpc_enc_tcmpt_s *tcmpt; |
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} jpc_enc_rlvl_t; |
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/* Encoder per-tile-component state information. */ |
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typedef struct jpc_enc_tcmpt_s { |
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/* The number of resolution levels. */ |
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int numrlvls; |
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/* The per-resolution-level information. */ |
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jpc_enc_rlvl_t *rlvls; |
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/* The tile-component data. */ |
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jas_matrix_t *data; |
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/* The QMFB. */ |
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int qmfbid; |
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/* The number of bands. */ |
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int numbands; |
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/* The TSFB. */ |
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jpc_tsfb_t *tsfb; |
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/* The synthesis energy weight (for the MCT). */ |
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jpc_fix_t synweight; |
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/* The precinct width exponents. */ |
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int prcwidthexpns[JPC_MAXRLVLS]; |
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/* The precinct height exponents. */ |
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int prcheightexpns[JPC_MAXRLVLS]; |
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/* The code block width exponent. */ |
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int cblkwidthexpn; |
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/* The code block height exponent. */ |
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int cblkheightexpn; |
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/* Coding style (i.e., explicit precinct sizes). */ |
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int csty; |
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/* Code block style. */ |
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int cblksty; |
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/* The number of quantizer step sizes. */ |
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int numstepsizes; |
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/* The encoded quantizer step sizes. */ |
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uint_fast16_t stepsizes[JPC_MAXBANDS]; |
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/* The parent tile. */ |
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struct jpc_enc_tile_s *tile; |
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} jpc_enc_tcmpt_t; |
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/* Encoder per-tile state information. */ |
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typedef struct jpc_enc_tile_s { |
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/* The tile number. */ |
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uint_fast32_t tileno; |
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/* The x-coordinate of the top-left corner of the tile measured with |
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respect to the reference grid. */ |
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uint_fast32_t tlx; |
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/* The y-coordinate of the top-left corner of the tile measured with |
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respect to the reference grid. */ |
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uint_fast32_t tly; |
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/* The x-coordinate of the bottom-right corner of the tile measured |
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with respect to the reference grid (plus one). */ |
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uint_fast32_t brx; |
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/* The y-coordinate of the bottom-right corner of the tile measured |
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with respect to the reference grid (plus one). */ |
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uint_fast32_t bry; |
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/* The coding style. */ |
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uint_fast8_t csty; |
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/* The progression order. */ |
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uint_fast8_t prg; |
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/* The number of layers. */ |
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int numlyrs; |
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/* The MCT to employ (if any). */ |
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uint_fast8_t mctid; |
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/* The packet iterator (used to determine the order of packet |
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generation). */ |
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jpc_pi_t *pi; |
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/* The coding mode (i.e., integer or real). */ |
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bool intmode; |
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/* The number of bytes to allocate to the various layers. */ |
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uint_fast32_t *lyrsizes; |
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/* The number of tile-components. */ |
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int numtcmpts; |
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/* The per tile-component information. */ |
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jpc_enc_tcmpt_t *tcmpts; |
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/* The raw (i.e., uncompressed) size of this tile. */ |
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uint_fast32_t rawsize; |
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} jpc_enc_tile_t; |
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/* Encoder class. */ |
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typedef struct jpc_enc_s { |
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/* The image being encoded. */ |
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jas_image_t *image; |
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/* The output stream. */ |
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jas_stream_t *out; |
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/* The coding parameters. */ |
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jpc_enc_cp_t *cp; |
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/* The tile currently being processed. */ |
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jpc_enc_tile_t *curtile; |
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/* The code stream state. */ |
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jpc_cstate_t *cstate; |
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/* The number of bytes output so far. */ |
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uint_fast32_t len; |
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/* The number of bytes available for the main body of the code stream. */ |
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/* This is used for rate allocation purposes. */ |
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uint_fast32_t mainbodysize; |
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/* The marker segment currently being processed. */ |
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/* This member is a convenience for making cleanup easier. */ |
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jpc_ms_t *mrk; |
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/* The stream used to temporarily hold tile-part data. */ |
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jas_stream_t *tmpstream; |
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} jpc_enc_t; |
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#endif
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