+++ /dev/null
-/*
- * Copyright (c) 1999-2000 Image Power, Inc. and the University of
- * British Columbia.
- * Copyright (c) 2001-2002 Michael David Adams.
- * All rights reserved.
- */
-
-/* __START_OF_JASPER_LICENSE__
- *
- * JasPer License Version 2.0
- *
- * Copyright (c) 2001-2006 Michael David Adams
- * Copyright (c) 1999-2000 Image Power, Inc.
- * Copyright (c) 1999-2000 The University of British Columbia
- *
- * All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person (the
- * "User") obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, and/or sell copies of the Software, and to permit
- * persons to whom the Software is furnished to do so, subject to the
- * following conditions:
- *
- * 1. The above copyright notices and this permission notice (which
- * includes the disclaimer below) shall be included in all copies or
- * substantial portions of the Software.
- *
- * 2. The name of a copyright holder shall not be used to endorse or
- * promote products derived from the Software without specific prior
- * written permission.
- *
- * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
- * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
- * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
- * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
- * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
- * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
- * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
- * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
- * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
- * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
- * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
- * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
- * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
- * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
- * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
- * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
- * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
- * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
- * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
- * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
- * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
- * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
- * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
- *
- * __END_OF_JASPER_LICENSE__
- */
-
-/*
- * JPEG-2000 Decoder
- *
- * $Id: jpc_dec.h,v 1.2 2008/05/26 09:40:52 vp153 Exp $
- */
-
-#ifndef JPC_DEC_H
-#define JPC_DEC_H
-
-/******************************************************************************\
-* Includes.
-\******************************************************************************/
-
-#include "jasper/jas_stream.h"
-
-#include "jpc_tsfb.h"
-#include "jpc_bs.h"
-#include "jpc_tagtree.h"
-#include "jpc_cs.h"
-#include "jpc_cod.h"
-#include "jpc_mqdec.h"
-#include "jpc_t2cod.h"
-
-/******************************************************************************\
-* Below are some ugly warts necessary to support packed packet headers.
-\******************************************************************************/
-
-/* PPM/PPT marker segment table entry. */
-
-typedef struct {
-
- /* The index for this entry. */
- uint_fast16_t ind;
-
- /* The data length. */
- uint_fast32_t len;
-
- /* The data. */
- uchar *data;
-
-} jpc_ppxstabent_t;
-
-/* PPM/PPT marker segment table. */
-
-typedef struct {
-
- /* The number of entries. */
- int numents;
-
- /* The maximum number of entries (i.e., the allocated size of the array
- below). */
- int maxents;
-
- /* The table entries. */
- jpc_ppxstabent_t **ents;
-
-} jpc_ppxstab_t;
-
-/* Stream list class. */
-
-typedef struct {
-
- /* The number of streams in this list. */
- int numstreams;
-
- /* The maximum number of streams that can be accomodated without
- growing the streams array. */
- int maxstreams;
-
- /* The streams. */
- jas_stream_t **streams;
-
-} jpc_streamlist_t;
-
-/******************************************************************************\
-* Coding parameters class.
-\******************************************************************************/
-
-/* Per-component coding parameters. */
-
-typedef struct {
-
- /* How were various coding parameters set? */
- int flags;
-
- /* Per-component coding style parameters (e.g., explicit precinct sizes) */
- uint_fast8_t csty;
-
- /* The number of resolution levels. */
- uint_fast8_t numrlvls;
-
- /* The code block width exponent. */
- uint_fast8_t cblkwidthexpn;
-
- /* The code block height exponent. */
- uint_fast8_t cblkheightexpn;
-
- /* The QMFB ID. */
- uint_fast8_t qmfbid;
-
- /* The quantization style. */
- uint_fast8_t qsty;
-
- /* The number of quantizer step sizes. */
- uint_fast16_t numstepsizes;
-
- /* The step sizes. */
- uint_fast16_t stepsizes[3 * JPC_MAXRLVLS + 1];
-
- /* The number of guard bits. */
- uint_fast8_t numguardbits;
-
- /* The ROI shift value. */
- uint_fast8_t roishift;
-
- /* The code block parameters. */
- uint_fast8_t cblkctx;
-
- /* The precinct width exponents. */
- uint_fast8_t prcwidthexpns[JPC_MAXRLVLS];
-
- /* The precinct height exponents. */
- uint_fast8_t prcheightexpns[JPC_MAXRLVLS];
-
-} jpc_dec_ccp_t;
-
-/* Coding paramters. */
-
-typedef struct {
-
- /* How were these coding parameters set? */
- int flags;
-
- /* Progression change list. */
- jpc_pchglist_t *pchglist;
-
- /* Progression order. */
- uint_fast8_t prgord;
-
- /* The number of layers. */
- uint_fast16_t numlyrs;
-
- /* The MCT ID. */
- uint_fast8_t mctid;
-
- /* The coding style parameters (e.g., SOP, EPH). */
- uint_fast8_t csty;
-
- /* The number of components. */
- int numcomps;
-
- /* The per-component coding parameters. */
- jpc_dec_ccp_t *ccps;
-
-} jpc_dec_cp_t;
-
-/******************************************************************************\
-* Decoder class.
-\******************************************************************************/
-
-/* Decoder per-segment state information. */
-
-typedef struct jpc_dec_seg_s {
-
- /* The next segment in the list. */
- struct jpc_dec_seg_s *next;
-
- /* The previous segment in the list. */
- struct jpc_dec_seg_s *prev;
-
- /* The starting pass number for this segment. */
- int passno;
-
- /* The number of passes in this segment. */
- int numpasses;
-
- /* The maximum number of passes in this segment. */
- int maxpasses;
-
- /* The type of data in this segment (i.e., MQ or raw). */
- int type;
-
- /* A stream containing the data for this segment. */
- jas_stream_t *stream;
-
- /* The number of bytes destined for this segment from the packet
- currently being decoded. */
- int cnt;
-
- /* A flag indicating if this segment has been terminated. */
- int complete;
-
- /* The layer number to which this segment belongs. */
- /* If the segment spans multiple layers, then the largest layer number
- spanned by the segment is used. */
- int lyrno;
-
-} jpc_dec_seg_t;
-
-/* Decoder segment list. */
-
-typedef struct {
-
- /* The first entry in the list. */
- jpc_dec_seg_t *head;
-
- /* The last entry in the list. */
- jpc_dec_seg_t *tail;
-
-} jpc_dec_seglist_t;
-
-/* Decoder per-code-block state information. */
-
-typedef struct {
-
- /* The number of passes. */
- int numpasses;
-
- /* A list of segments that still need to be decoded. */
- jpc_dec_seglist_t segs;
-
- /* The first incomplete/partial segment. */
- jpc_dec_seg_t *curseg;
-
- /* The number of leading insignificant bit planes for this code block. */
- int numimsbs;
-
- /* The number of bits used to encode pass data lengths. */
- int numlenbits;
-
- /* The first pass number containing data for this code block. */
- int firstpassno;
-
- /* The MQ decoder. */
- jpc_mqdec_t *mqdec;
-
- /* The raw bit stream decoder. */
- jpc_bitstream_t *nulldec;
-
- /* The per-sample state information for this code block. */
- jas_matrix_t *flags;
-
- /* The sample data associated with this code block. */
- jas_matrix_t *data;
-
-} jpc_dec_cblk_t;
-
-/* Decoder per-code-block-group state information. */
-
-typedef struct {
-
- /* The x-coordinate of the top-left corner of the precinct. */
- uint_fast32_t xstart;
-
- /* The y-coordinate of the top-left corner of the precinct. */
- uint_fast32_t ystart;
-
- /* The x-coordinate of the bottom-right corner of the precinct
- (plus one). */
- uint_fast32_t xend;
-
- /* The y-coordinate of the bottom-right corner of the precinct
- (plus one). */
- uint_fast32_t yend;
-
- /* The number of code blocks spanning this precinct in the horizontal
- direction. */
- int numhcblks;
-
- /* The number of code blocks spanning this precinct in the vertical
- direction. */
- int numvcblks;
-
- /* The total number of code blocks in this precinct. */
- int numcblks;
-
- /* The per code block information. */
- jpc_dec_cblk_t *cblks;
-
- /* The inclusion tag tree. */
- jpc_tagtree_t *incltagtree;
-
- /* The insignificant MSBs tag tree. */
- jpc_tagtree_t *numimsbstagtree;
-
-} jpc_dec_prc_t;
-
-/* Decoder per-band state information. */
-
-typedef struct {
-
- /* The per-code-block-group state information. */
- jpc_dec_prc_t *prcs;
-
- /* The sample data associated with this band. */
- jas_matrix_t *data;
-
- /* The orientation of this band (i.e., LL, LH, HL, or HH). */
- int orient;
-
- /* The encoded quantizer step size. */
- int stepsize;
-
- /* The absolute quantizer step size. */
- jpc_fix_t absstepsize;
-
- /* The number of bit planes for this band. */
- int numbps;
-
- /* The analysis gain associated with this band. */
- int analgain;
-
- /* The ROI shift value for this band. */
- int roishift;
-
-} jpc_dec_band_t;
-
-/* Decoder per-resolution-level state information. */
-
-typedef struct {
-
- /* The number of bands associated with this resolution level. */
- int numbands;
-
- /* The per-band information. */
- jpc_dec_band_t *bands;
-
- /* The x-coordinate of the top-left corner of the tile-component
- at this resolution. */
- uint_fast32_t xstart;
-
- /* The y-coordinate of the top-left corner of the tile-component
- at this resolution. */
- uint_fast32_t ystart;
-
- /* The x-coordinate of the bottom-right corner of the tile-component
- at this resolution (plus one). */
- uint_fast32_t xend;
-
- /* The y-coordinate of the bottom-right corner of the tile-component
- at this resolution (plus one). */
- uint_fast32_t yend;
-
- /* 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 in the horizontal direction. */
- int numhprcs;
-
- /* The number of precincts in the vertical direction. */
- int numvprcs;
-
- /* The total number of precincts. */
- int numprcs;
-
- /* The exponent value for the nominal code block group width.
- This quantity is associated with the next lower resolution level
- (assuming that there is one). */
- int cbgwidthexpn;
-
- /* The exponent value for the nominal code block group height
- This quantity is associated with the next lower resolution level
- (assuming that there is one). */
- int cbgheightexpn;
-
- /* The exponent value for the code block width. */
- uint_fast16_t cblkwidthexpn;
-
- /* The exponent value for the code block height. */
- uint_fast16_t cblkheightexpn;
-
-} jpc_dec_rlvl_t;
-
-/* Decoder per-tile-component state information. */
-
-typedef struct {
-
- /* The x-coordinate of the top-left corner of the tile-component
- in the coordinate system of the tile-component. */
- uint_fast32_t xstart;
-
- /* The y-coordinate of the top-left corner of the tile-component
- in the coordinate system of the tile-component. */
- uint_fast32_t ystart;
-
- /* The x-coordinate of the bottom-right corner of the tile-component
- in the coordinate system of the tile-component (plus one). */
- uint_fast32_t xend;
-
- /* The y-coordinate of the bottom-right corner of the tile-component
- in the coordinate system of the tile-component (plus one). */
- uint_fast32_t yend;
-
- /* The component data for the current tile. */
- jas_matrix_t *data;
-
- /* The number of resolution levels. */
- int numrlvls;
-
- /* The per resolution level information. */
- jpc_dec_rlvl_t *rlvls;
-
- /* The TSFB. */
- jpc_tsfb_t *tsfb;
-
-} jpc_dec_tcomp_t;
-
-/*
- * Tile states.
- */
-
-#define JPC_TILE_INIT 0
-#define JPC_TILE_ACTIVE 1
-#define JPC_TILE_ACTIVELAST 2
-#define JPC_TILE_DONE 3
-
-/* Decoder per-tile state information. */
-
-typedef struct {
-
- /* The processing state for this tile. */
- int state;
-
- /* The x-coordinate of the top-left corner of the tile on the reference
- grid. */
- uint_fast32_t xstart;
-
- /* The y-coordinate of the top-left corner of the tile on the reference
- grid. */
- uint_fast32_t ystart;
-
- /* The x-coordinate of the bottom-right corner of the tile on the
- reference grid (plus one). */
- uint_fast32_t xend;
-
- /* The y-coordinate of the bottom-right corner of the tile on the
- reference grid (plus one). */
- uint_fast32_t yend;
-
- /* The packed packet header data for this tile. */
- jpc_ppxstab_t *pptstab;
-
- /* A stream containing the packed packet header data for this tile. */
- jas_stream_t *pkthdrstream;
-
- /* The current position within the packed packet header stream. */
- long pkthdrstreampos;
-
- /* The coding parameters for this tile. */
- jpc_dec_cp_t *cp;
-
- /* The per tile-component information. */
- jpc_dec_tcomp_t *tcomps;
-
- /* The next expected tile-part number. */
- int partno;
-
- /* The number of tile-parts. */
- int numparts;
-
- /* The coding mode. */
- int realmode;
-
- /* The packet iterator for this tile. */
- jpc_pi_t *pi;
-
-} jpc_dec_tile_t;
-
-/* Decoder per-component state information. */
-
-typedef struct {
-
- /* The horizontal sampling period. */
- uint_fast32_t hstep;
-
- /* The vertical sampling period. */
- uint_fast32_t vstep;
-
- /* The number of samples in the horizontal direction. */
- uint_fast32_t width;
-
- /* The number of samples in the vertical direction. */
- uint_fast32_t height;
-
- /* The precision of the sample data. */
- uint_fast16_t prec;
-
- /* The signedness of the sample data. */
- bool sgnd;
-
- /* The sample alignment horizontal offset. */
- uint_fast32_t hsubstep;
-
- /* The sample alignment vertical offset. */
- uint_fast32_t vsubstep;
-
-} jpc_dec_cmpt_t;
-
-/* Decoder state information. */
-
-typedef struct {
-
- /* The decoded image. */
- jas_image_t *image;
-
- /* The x-coordinate of the top-left corner of the image area on
- the reference grid. */
- uint_fast32_t xstart;
-
- /* The y-coordinate of the top-left corner of the image area on
- the reference grid. */
- uint_fast32_t ystart;
-
- /* The x-coordinate of the bottom-right corner of the image area on
- the reference grid (plus one). */
- uint_fast32_t xend;
-
- /* The y-coordinate of the bottom-right corner of the image area on
- the reference grid (plus one). */
- uint_fast32_t yend;
-
- /* 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 horizontal offset from the origin of the reference grid to the
- left side of the first tile. */
- uint_fast32_t tilexoff;
-
- /* The vertical offset from the origin of the reference grid to the
- top side of the first tile. */
- uint_fast32_t tileyoff;
-
- /* The number of tiles spanning the image area in the vertical
- direction. */
- int numhtiles;
-
- /* The number of tiles spanning the image area in the horizontal
- direction. */
- int numvtiles;
-
- /* The total number of tiles. */
- int numtiles;
-
- /* The per-tile information. */
- jpc_dec_tile_t *tiles;
-
- /* The tile currently being processed. */
- jpc_dec_tile_t *curtile;
-
- /* The number of components. */
- int numcomps;
-
- /* The stream containing the input JPEG-2000 code stream data. */
- jas_stream_t *in;
-
- /* The default coding parameters for all tiles. */
- jpc_dec_cp_t *cp;
-
- /* The maximum number of layers that may be decoded. */
- int maxlyrs;
-
- /* The maximum number of packets that may be decoded. */
- int maxpkts;
-
- /* The number of packets decoded so far in the processing of the entire
- code stream. */
- int numpkts;
-
- /* The next expected PPM marker segment sequence number. */
- int ppmseqno;
-
- /* The current state for code stream processing. */
- int state;
-
- /* The per-component information. */
- jpc_dec_cmpt_t *cmpts;
-
- /* The information from PPM marker segments. */
- jpc_ppxstab_t *ppmstab;
-
- /* A list of streams containing packet header data from PPM marker
- segments. */
- jpc_streamlist_t *pkthdrstreams;
-
- /* The expected ending offset for a tile-part. */
- long curtileendoff;
-
- /* This is required by the tier-2 decoder. */
- jpc_cstate_t *cstate;
-
-} jpc_dec_t;
-
-/* Decoder options. */
-
-typedef struct {
-
- /* The debug level for the decoder. */
- int debug;
-
- /* The maximum number of layers to decode. */
- int maxlyrs;
-
- /* The maximum number of packets to decode. */
- int maxpkts;
-
-} jpc_dec_importopts_t;
-
-/******************************************************************************\
-* Functions.
-\******************************************************************************/
-
-/* Create a decoder segment object. */
-jpc_dec_seg_t *jpc_seg_alloc(void);
-
-/* Destroy a decoder segment object. */
-void jpc_seg_destroy(jpc_dec_seg_t *seg);
-
-/* Remove a segment from a segment list. */
-void jpc_seglist_remove(jpc_dec_seglist_t *list, jpc_dec_seg_t *node);
-
-/* Insert a segment into a segment list. */
-void jpc_seglist_insert(jpc_dec_seglist_t *list, jpc_dec_seg_t *ins,
- jpc_dec_seg_t *node);
-
-#endif
projects / opencv / blobdiff