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647 lines
18 KiB
C
647 lines
18 KiB
C
/*
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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
|
|
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
|