/* * 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__ */ /* * $Id$ */ #ifndef JPC_ENC_H#define JPC_ENC_H /******************************************************************************\* Includes.\******************************************************************************/ #include "jasper/jas_image.h"#include "jasper/jas_seq.h"#include "jasper/jas_stream.h" #include "jpc_cod.h"#include "jpc_t1cod.h"#include "jpc_t2cod.h"#include "jpc_mqenc.h"#include "jpc_tagtree.h"#include "jpc_cs.h"#include "jpc_fix.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). */	enum jpc_segtype 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. */	unsigned 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. */	unsigned 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. */	unsigned 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). */	enum jpc_tsfb_orient 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. */	unsigned 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). */	unsigned 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). */	unsigned 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. */	unsigned numbands; 	/* The per-band information. */	jpc_enc_band_t *bands; 	/* The parent tile-component. */

Lines 1–500 of 650. Load more