183 lines
6.2 KiB
C
183 lines
6.2 KiB
C
/*
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* Copyright (c) 2001-2002, David Janssens
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2002-2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __TCD_H
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#define __TCD_H
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#include "j2k.h"
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#include "tgt.h"
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typedef struct {
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int numpasses;
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int len;
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unsigned char *data;
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int maxpasses;
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int numnewpasses;
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int newlen;
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} tcd_seg_t;
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typedef struct {
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int rate;
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double distortiondec;
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int term, len;
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} tcd_pass_t;
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typedef struct {
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int numpasses; /* Number of passes in the layer */
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int len; /* len of information */
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double disto; /* add for index (Cfr. Marcela) */
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unsigned char *data; /* data */
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} tcd_layer_t;
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typedef struct {
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int x0, y0, x1, y1; /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
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int numbps;
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int lastbp; /* Add antonin : quantizbug1 */
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int numlenbits;
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int len; /* length */
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int numpasses; /* number of pass already done for the code-blocks */
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int numnewpasses; /* number of pass added to the code-blocks */
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int numsegs; /* number of segments */
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tcd_seg_t segs[100]; /* segments informations */
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unsigned char data[8192]; /* Data */
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int numpassesinlayers; /* number of passes in the layer */
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tcd_layer_t layers[100]; /* layer information */
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int totalpasses; /* total number of passes */
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tcd_pass_t passes[100]; /* information about the passes */
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} tcd_cblk_t;
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typedef struct {
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int x0, y0, x1, y1; /* dimension of the precinct : left upper corner (x0, y0) right low corner (x1,y1) */
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int cw, ch; /* number of precinct in width and heigth */
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tcd_cblk_t *cblks; /* code-blocks informations */
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tgt_tree_t *incltree; /* inclusion tree */
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tgt_tree_t *imsbtree; /* IMSB tree */
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} tcd_precinct_t;
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typedef struct {
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int x0, y0, x1, y1; /* dimension of the subband : left upper corner (x0, y0) right low corner (x1,y1) */
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int bandno;
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tcd_precinct_t *precincts; /* precinct information */
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int numbps;
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int stepsize;
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} tcd_band_t;
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typedef struct {
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int x0, y0, x1, y1; /* dimension of the resolution level : left upper corner (x0, y0) right low corner (x1,y1) */
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int pw, ph;
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int numbands; /* number sub-band for the resolution level */
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tcd_band_t bands[3]; /* subband information */
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} tcd_resolution_t;
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typedef struct {
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int x0, y0, x1, y1; /* dimension of component : left upper corner (x0, y0) right low corner (x1,y1) */
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int numresolutions; /* number of resolutions level */
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tcd_resolution_t *resolutions; /* resolutions information */
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int *data; /* data of the component */
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int nbpix; /* add fixed_quality */
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} tcd_tilecomp_t;
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typedef struct {
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int x0, y0, x1, y1; /* dimension of the tile : left upper corner (x0, y0) right low corner (x1,y1) */
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int numcomps; /* number of components in tile */
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tcd_tilecomp_t *comps; /* Components information */
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int nbpix; /* add fixed_quality */
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double distotile; /* add fixed_quality */
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double distolayer[100]; /* add fixed_quality */
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} tcd_tile_t;
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typedef struct {
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int tw, th; /* number of tiles in width and heigth */
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tcd_tile_t *tiles; /* Tiles information */
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} tcd_image_t;
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/*
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* Initialize the tile coder (reuses the memory allocated by tcd_malloc_encode)
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* img: raw image
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* cp: coding parameters
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* curtileno : number that identifies the tile that will be encoded
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*/
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void tcd_init_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno);
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/*
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* Initialize the tile coder (allocate the memory)
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* img: raw image
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* cp: coding parameters
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* curtileno : number that identifies the tile that will be encoded
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*/
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void tcd_malloc_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno);
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/*
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* Initialize the tile decoder
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* img: raw image
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* cp: coding parameters
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*/
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void tcd_init(j2k_image_t * img, j2k_cp_t * cp);
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/*
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* Free the memory allocated for encoding
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* img: raw image
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* cp: coding parameters
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* curtileno : number that identifies the tile that will be encoded
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*/
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void tcd_free_encode(j2k_image_t * img, j2k_cp_t * cp, int curtileno);
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/*
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* Encode a tile from the raw image into a buffer, format pnm, pgm or ppm
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* tileno: number that identifies one of the tiles to be encoded
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* dest: destination buffer
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* len: length of destination buffer
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* info_IM: creation of index file
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*/
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int tcd_encode_tile_pxm(int tileno, unsigned char *dest, int len,
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info_image * info_IM);
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/*
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* Encode a tile from the raw image into a buffer, format pgx
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* tileno: number that identifies one of the tiles to be encoded
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* dest: destination buffer
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* len: length of destination buffer
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* info_IM: creation of index file
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*/
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int tcd_encode_tile_pgx(int tileno, unsigned char *dest, int len,
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info_image * info_IM);
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/*
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* Decode a tile from a buffer into a raw image
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* src: source buffer
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* len: length of the source buffer
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* tileno: number that identifies the tile that will be decoded
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*/
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int tcd_decode_tile(unsigned char *src, int len, int tileno);
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#endif
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