306 lines
10 KiB
C
306 lines
10 KiB
C
/*
|
|
* The copyright in this software is being made available under the 2-clauses
|
|
* BSD License, included below. This software may be subject to other third
|
|
* party and contributor rights, including patent rights, and no such rights
|
|
* are granted under this license.
|
|
*
|
|
* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
|
|
* Copyright (c) 2002-2014, Professor Benoit Macq
|
|
* Copyright (c) 2001-2003, David Janssens
|
|
* Copyright (c) 2002-2003, Yannick Verschueren
|
|
* Copyright (c) 2003-2007, Francois-Olivier Devaux
|
|
* Copyright (c) 2003-2014, Antonin Descampe
|
|
* Copyright (c) 2005, Herve Drolon, FreeImage Team
|
|
* 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
|
|
/**
|
|
@file tcd.h
|
|
@brief Implementation of a tile coder/decoder (TCD)
|
|
|
|
The functions in TCD.C have for goal to encode or decode each tile independently from
|
|
each other. The functions in TCD.C are used by some function in J2K.C.
|
|
*/
|
|
|
|
/** @defgroup TCD TCD - Implementation of a tile coder/decoder */
|
|
/*@{*/
|
|
|
|
/**
|
|
FIXME: documentation
|
|
*/
|
|
typedef struct opj_tcd_seg {
|
|
unsigned char** data;
|
|
int dataindex;
|
|
int numpasses;
|
|
int len;
|
|
int maxpasses;
|
|
int numnewpasses;
|
|
int newlen;
|
|
} opj_tcd_seg_t;
|
|
|
|
/**
|
|
FIXME: documentation
|
|
*/
|
|
typedef struct opj_tcd_pass {
|
|
int rate;
|
|
double distortiondec;
|
|
int term, len;
|
|
} opj_tcd_pass_t;
|
|
|
|
/**
|
|
FIXME: documentation
|
|
*/
|
|
typedef struct opj_tcd_layer {
|
|
int numpasses; /* Number of passes in the layer */
|
|
int len; /* len of information */
|
|
double disto; /* add for index (Cfr. Marcela) */
|
|
unsigned char *data; /* data */
|
|
} opj_tcd_layer_t;
|
|
|
|
/**
|
|
FIXME: documentation
|
|
*/
|
|
typedef struct opj_tcd_cblk_enc {
|
|
unsigned char* data; /* Data */
|
|
opj_tcd_layer_t* layers; /* layer information */
|
|
opj_tcd_pass_t* passes; /* information about the passes */
|
|
int x0, y0, x1,
|
|
y1; /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
|
|
int numbps;
|
|
int numlenbits;
|
|
int numpasses; /* number of pass already done for the code-blocks */
|
|
int numpassesinlayers; /* number of passes in the layer */
|
|
int totalpasses; /* total number of passes */
|
|
} opj_tcd_cblk_enc_t;
|
|
|
|
typedef struct opj_tcd_cblk_dec {
|
|
unsigned char* data; /* Data */
|
|
opj_tcd_seg_t* segs; /* segments information */
|
|
int x0, y0, x1,
|
|
y1; /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
|
|
int numbps;
|
|
int numlenbits;
|
|
int len; /* length */
|
|
int numnewpasses; /* number of pass added to the code-blocks */
|
|
int numsegs; /* number of segments */
|
|
} opj_tcd_cblk_dec_t;
|
|
|
|
/**
|
|
FIXME: documentation
|
|
*/
|
|
typedef struct opj_tcd_precinct {
|
|
int x0, y0, x1,
|
|
y1; /* dimension of the precinct : left upper corner (x0, y0) right low corner (x1,y1) */
|
|
int cw, ch; /* number of precinct in width and height */
|
|
union { /* code-blocks informations */
|
|
opj_tcd_cblk_enc_t* enc;
|
|
opj_tcd_cblk_dec_t* dec;
|
|
} cblks;
|
|
opj_tgt_tree_t *incltree; /* inclusion tree */
|
|
opj_tgt_tree_t *imsbtree; /* IMSB tree */
|
|
} opj_tcd_precinct_t;
|
|
|
|
/**
|
|
FIXME: documentation
|
|
*/
|
|
typedef struct opj_tcd_band {
|
|
int x0, y0, x1,
|
|
y1; /* dimension of the subband : left upper corner (x0, y0) right low corner (x1,y1) */
|
|
int bandno;
|
|
opj_tcd_precinct_t *precincts; /* precinct information */
|
|
int numbps;
|
|
float stepsize;
|
|
} opj_tcd_band_t;
|
|
|
|
/**
|
|
FIXME: documentation
|
|
*/
|
|
typedef struct opj_tcd_resolution {
|
|
int x0, y0, x1,
|
|
y1; /* dimension of the resolution level : left upper corner (x0, y0) right low corner (x1,y1) */
|
|
int pw, ph;
|
|
int numbands; /* number sub-band for the resolution level */
|
|
opj_tcd_band_t bands[3]; /* subband information */
|
|
} opj_tcd_resolution_t;
|
|
|
|
/**
|
|
FIXME: documentation
|
|
*/
|
|
typedef struct opj_tcd_tilecomp {
|
|
int x0, y0, x1,
|
|
y1; /* dimension of component : left upper corner (x0, y0) right low corner (x1,y1) */
|
|
int numresolutions; /* number of resolutions level */
|
|
opj_tcd_resolution_t *resolutions; /* resolutions information */
|
|
int *data; /* data of the component */
|
|
int numpix; /* add fixed_quality */
|
|
} opj_tcd_tilecomp_t;
|
|
|
|
/**
|
|
FIXME: documentation
|
|
*/
|
|
typedef struct opj_tcd_tile {
|
|
int x0, y0, x1,
|
|
y1; /* dimension of the tile : left upper corner (x0, y0) right low corner (x1,y1) */
|
|
int numcomps; /* number of components in tile */
|
|
opj_tcd_tilecomp_t *comps; /* Components information */
|
|
int numpix; /* add fixed_quality */
|
|
double distotile; /* add fixed_quality */
|
|
double distolayer[100]; /* add fixed_quality */
|
|
/** packet number */
|
|
int packno;
|
|
} opj_tcd_tile_t;
|
|
|
|
/**
|
|
FIXME: documentation
|
|
*/
|
|
typedef struct opj_tcd_image {
|
|
int tw, th; /* number of tiles in width and height */
|
|
opj_tcd_tile_t *tiles; /* Tiles information */
|
|
} opj_tcd_image_t;
|
|
|
|
/**
|
|
Tile coder/decoder
|
|
*/
|
|
typedef struct opj_tcd {
|
|
/** Position of the tilepart flag in Progression order*/
|
|
int tp_pos;
|
|
/** Tile part number*/
|
|
int tp_num;
|
|
/** Current tile part number*/
|
|
int cur_tp_num;
|
|
/** Total number of tileparts of the current tile*/
|
|
int cur_totnum_tp;
|
|
/** Current Packet iterator number */
|
|
int cur_pino;
|
|
/** codec context */
|
|
opj_common_ptr cinfo;
|
|
|
|
/** info on each image tile */
|
|
opj_tcd_image_t *tcd_image;
|
|
/** image */
|
|
opj_image_t *image;
|
|
/** coding parameters */
|
|
opj_cp_t *cp;
|
|
/** pointer to the current encoded/decoded tile */
|
|
opj_tcd_tile_t *tcd_tile;
|
|
/** coding/decoding parameters common to all tiles */
|
|
opj_tcp_t *tcp;
|
|
/** current encoded/decoded tile */
|
|
int tcd_tileno;
|
|
/** Time taken to encode a tile*/
|
|
double encoding_time;
|
|
} opj_tcd_t;
|
|
|
|
/** @name Exported functions */
|
|
/*@{*/
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
/**
|
|
Dump the content of a tcd structure
|
|
*/
|
|
void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t *img);
|
|
/**
|
|
Create a new TCD handle
|
|
@param cinfo Codec context info
|
|
@return Returns a new TCD handle if successful returns NULL otherwise
|
|
*/
|
|
opj_tcd_t* tcd_create(opj_common_ptr cinfo);
|
|
/**
|
|
Destroy a previously created TCD handle
|
|
@param tcd TCD handle to destroy
|
|
*/
|
|
void tcd_destroy(opj_tcd_t *tcd);
|
|
/**
|
|
Initialize the tile coder (allocate the memory)
|
|
@param tcd TCD handle
|
|
@param image Raw image
|
|
@param cp Coding parameters
|
|
@param curtileno Number that identifies the tile that will be encoded
|
|
*/
|
|
void tcd_malloc_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp,
|
|
int curtileno);
|
|
/**
|
|
Free the memory allocated for encoding
|
|
@param tcd TCD handle
|
|
*/
|
|
void tcd_free_encode(opj_tcd_t *tcd);
|
|
/**
|
|
Initialize the tile coder (reuses the memory allocated by tcd_malloc_encode)
|
|
@param tcd TCD handle
|
|
@param image Raw image
|
|
@param cp Coding parameters
|
|
@param curtileno Number that identifies the tile that will be encoded
|
|
*/
|
|
void tcd_init_encode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp,
|
|
int curtileno);
|
|
/**
|
|
Initialize the tile decoder
|
|
@param tcd TCD handle
|
|
@param image Raw image
|
|
@param cp Coding parameters
|
|
*/
|
|
void tcd_malloc_decode(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp);
|
|
void tcd_malloc_decode_tile(opj_tcd_t *tcd, opj_image_t * image, opj_cp_t * cp,
|
|
int tileno, opj_codestream_info_t *cstr_info);
|
|
void tcd_makelayer_fixed(opj_tcd_t *tcd, int layno, int final);
|
|
void tcd_rateallocate_fixed(opj_tcd_t *tcd);
|
|
void tcd_makelayer(opj_tcd_t *tcd, int layno, double thresh, int final);
|
|
opj_bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len,
|
|
opj_codestream_info_t *cstr_info);
|
|
/**
|
|
Encode a tile from the raw image into a buffer
|
|
@param tcd TCD handle
|
|
@param tileno Number that identifies one of the tiles to be encoded
|
|
@param dest Destination buffer
|
|
@param len Length of destination buffer
|
|
@param cstr_info Codestream information structure
|
|
@return
|
|
*/
|
|
int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len,
|
|
opj_codestream_info_t *cstr_info);
|
|
/**
|
|
Decode a tile from a buffer into a raw image
|
|
@param tcd TCD handle
|
|
@param src Source buffer
|
|
@param len Length of source buffer
|
|
@param tileno Number that identifies one of the tiles to be decoded
|
|
@param cstr_info Codestream information structure
|
|
*/
|
|
opj_bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len,
|
|
int tileno, opj_codestream_info_t *cstr_info);
|
|
/**
|
|
Free the memory allocated for decoding
|
|
@param tcd TCD handle
|
|
*/
|
|
void tcd_free_decode(opj_tcd_t *tcd);
|
|
void tcd_free_decode_tile(opj_tcd_t *tcd, int tileno);
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/*@}*/
|
|
|
|
/*@}*/
|
|
|
|
#endif /* __TCD_H */
|