openjpeg/indexer_JPIP/tcd.h

138 lines
3.6 KiB
C

/*
* Copyright (c) 2001-2002, David Janssens
* Copyright (c) 2003, Yannick Verschueren
* Copyright (c) 2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __TCD_H
#define __TCD_H
#include "j2k.h"
#include "tgt.h"
typedef struct {
int numpasses;
int len;
unsigned char *data;
int maxpasses;
int numnewpasses;
int newlen;
} tcd_seg_t;
typedef struct {
int rate;
double distortiondec;
} tcd_pass_t;
typedef struct {
int numpasses;
int len;
unsigned char *data;
} tcd_layer_t;
typedef struct {
int x0, y0, x1, y1;
int numbps;
int numlenbits;
int len;
int numpasses;
int numnewpasses;
int numsegs;
tcd_seg_t segs[100];
unsigned char data[8192];
int numpassesinlayers;
tcd_layer_t layers[100];
int totalpasses;
tcd_pass_t passes[100];
} tcd_cblk_t;
typedef struct {
int x0, y0, x1, y1;
int cw, ch;
tcd_cblk_t *cblks;
tgt_tree_t *incltree;
tgt_tree_t *imsbtree;
} tcd_precinct_t;
typedef struct {
int x0, y0, x1, y1;
int bandno;
tcd_precinct_t *precincts;
int numbps;
int stepsize;
} tcd_band_t;
typedef struct {
int x0, y0, x1, y1;
int previous_x0, previous_y0, previous_x1, previous_y1; // usefull for the DWT
int cas_col, cas_row; // usefull for the DWT
int pw, ph;
int numbands;
tcd_band_t bands[3];
} tcd_resolution_t;
typedef struct {
int x0, y0, x1, y1;
int previous_row, previous_col; // usefull for the DWT
int numresolutions;
tcd_resolution_t *resolutions;
int *data;
} tcd_tilecomp_t;
typedef struct {
int x0, y0, x1, y1;
int numcomps;
//int PPT;
//int len_ppt;
tcd_tilecomp_t *comps;
} tcd_tile_t;
typedef struct {
int tw, th;
tcd_tile_t *tiles;
} tcd_image_t;
/*
* Initialize the tile coder/decoder
* img: raw image
* cp: coding parameters
* imgg: creation of index file
*/
void tcd_init(j2k_image_t *img, j2k_cp_t *cp, info_image_t *imgg);
void tcd_free(j2k_image_t *img, j2k_cp_t *cp);
/*
* Decode a tile from a buffer into a raw image
* src: source buffer
* len: length of the source buffer
* tileno: number that identifies the tile that will be decoded
* imgg : Structure for index file
*/
int tcd_decode_tile(unsigned char *src, int len, int tileno, info_image_t *imgg);
#endif