openjpeg/libopenjpeg3d/tcd.h

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C
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/*
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
* Copyright (c) 2006, Mónica Díez García, Image Processing Laboratory, University of Valladolid, Spain
* 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 JP3D.C.
*/
/** @defgroup TCD TCD - Implementation of a tile coder/decoder */
/*@{*/
/**
Tile coder/decoder: segment instance
*/
typedef struct opj_tcd_seg {
/** Number of passes in the segment */
int numpasses;
/** Length of information */
int len;
/** Data */
unsigned char *data;
/** Number of passes posible for the segment */
int maxpasses;
/** Number of passes added to the segment */
int numnewpasses;
/** New length after inclusion of segments */
int newlen;
} opj_tcd_seg_t;
/**
Tile coder/decoder: pass instance
*/
typedef struct opj_tcd_pass {
/** Rate obtained in the pass*/
int rate;
/** Distorsion obtained in the pass*/
double distortiondec;
int term;
/** Length of information */
int len;
} opj_tcd_pass_t;
/**
Tile coder/decoder: layer instance
*/
typedef struct opj_tcd_layer {
/** Number of passes in the layer */
int numpasses;
/** Length of information */
int len;
/** Distortion within layer */
double disto; /* add for index (Cfr. Marcela) */
unsigned char *data; /* data */
} opj_tcd_layer_t;
/**
Tile coder/decoder: codeblock instance
*/
typedef struct opj_tcd_cblk {
/** Dimension of the code-blocks : left upper corner (x0, y0, z0) */
int x0, y0, z0;
/** Dimension of the code-blocks : right low corner (x1,y1,z1) */
int x1, y1, z1;
/** Number of bits per simbol in codeblock */
int numbps;
int numlenbits;
int len; /* length */
/** Number of pass already done for the code-blocks */
int numpasses;
/** number of pass added to the code-blocks */
int numnewpasses;
/** Number of segments */
int numsegs;
/** Segments informations */
opj_tcd_seg_t segs[100];
/** Number of passes in the layer */
int numpassesinlayers;
/** Layer information */
opj_tcd_layer_t layers[100];
/** Total number of passes */
int totalpasses;
/** Information about the passes */
opj_tcd_pass_t passes[100];
/* Data */
unsigned char data[524288];
//unsigned char *data;
} opj_tcd_cblk_t;
/**
Tile coder/decoder: precint instance
*/
typedef struct opj_tcd_precinct {
/** Dimension of the precint : left upper corner (x0, y0, z0) */
int x0, y0, z0;
/** Dimension of the precint : right low corner (x1,y1,z1) */
int x1, y1, z1;
/** Number of codeblocks in precinct in width and heigth and length*/
int cblkno[3];
/** Information about the codeblocks */
opj_tcd_cblk_t *cblks;
/** Inclusion tree */
opj_tgt_tree_t *incltree;
/** Missing MSBs tree */
opj_tgt_tree_t *imsbtree;
} opj_tcd_precinct_t;
/**
Tile coder/decoder: subband instance
*/
typedef struct opj_tcd_band {
/** Dimension of the subband : left upper corner (x0, y0, z0) */
int x0, y0, z0;
/** Dimension of the subband : right low corner (x1,y1,z1) */
int x1, y1, z1;
/** Information about the precints */
opj_tcd_precinct_t *precincts; /* precinct information */
/** Number of bits per symbol in band */
int numbps;
/** Quantization stepsize associated */
float stepsize;
/** Band orientation (O->LLL,...,7->HHH) */
int bandno;
} opj_tcd_band_t;
/**
Tile coder/decoder: resolution instance
*/
typedef struct opj_tcd_resolution {
/** Dimension of the resolution level : left upper corner (x0, y0, z0) */
int x0, y0, z0;
/** Dimension of the resolution level : right low corner (x1,y1,z1) */
int x1, y1, z1;
/** Number of precints in each dimension for the resolution level */
int prctno[3];
/** Number of subbands for the resolution level */
int numbands;
/** Subband information */
opj_tcd_band_t *bands;
} opj_tcd_resolution_t;
/**
Tile coder/decoder: component instance
*/
typedef struct opj_tcd_tilecomp {
/** Dimension of the component : left upper corner (x0, y0, z0) */
int x0, y0, z0;
/** Dimension of the component : right low corner (x1,y1,z1) */
int x1, y1, z1;
/** Number of resolutions level if DWT transform*/
int numresolution[3];
/** Resolution information */
opj_tcd_resolution_t *resolutions;
/** Data of the component */
int *data;
/** Fixed_quality related */
int nbpix;
/** Number of bits per voxel in component */
int bpp;
} opj_tcd_tilecomp_t;
/**
Tile coder/decoder: tile instance
*/
typedef struct opj_tcd_tile {
/** Dimension of the tile : left upper corner (x0, y0, z0) */
int x0, y0, z0;
/** Dimension of the tile : right low corner (x1,y1,z1) */
int x1, y1, z1;
/** Number of components in tile */
int numcomps;
/** Components information */
opj_tcd_tilecomp_t *comps;
/** Fixed_quality related : no of bytes of data*/
int nbpix;
/** Fixed_quality related : distortion achieved in tile */
double distotile;
/** Fixed_quality related : distortion achieved in each layer */
double distolayer[100];
} opj_tcd_tile_t;
/**
Tile coder/decoder: volume instance
*/
typedef struct opj_tcd_volume {
/** Number of tiles in width and heigth and length */
int tw, th, tl;
/** Tiles information */
opj_tcd_tile_t *tiles;
} opj_tcd_volume_t;
/**
Tile coder/decoder
*/
typedef struct opj_tcd {
/** Codec context */
opj_common_ptr cinfo;
/** Volume information */
opj_volume_t *volume;
/** Coding parameters */
opj_cp_t *cp;
/** Coding/decoding parameters common to all tiles */
opj_tcp_t *tcp;
/** Info on each volume tile */
opj_tcd_volume_t *tcd_volume;
/** Pointer to the current encoded/decoded tile */
opj_tcd_tile_t *tcd_tile;
/** Current encoded/decoded tile */
int tcd_tileno;
/**@name working variables */
/*@{*/
opj_tcd_tile_t *tile;
opj_tcd_tilecomp_t *tilec;
opj_tcd_resolution_t *res;
opj_tcd_band_t *band;
opj_tcd_precinct_t *prc;
opj_tcd_cblk_t *cblk;
/*@}*/
} opj_tcd_t;
/** @name Funciones generales */
/*@{*/
/* ----------------------------------------------------------------------- */
/**
Dump the content of a tcd structure
*/
void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_volume_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 volume Raw volume
@param cp Coding parameters
@param curtileno Number that identifies the tile that will be encoded
*/
void tcd_malloc_encode(opj_tcd_t *tcd, opj_volume_t * volume, opj_cp_t * cp, int curtileno);
/**
Initialize the tile coder (reuses the memory allocated by tcd_malloc_encode)(for 3D-DWT)
@param tcd TCD handle
@param volume Raw volume
@param cp Coding parameters
@param curtileno Number that identifies the tile that will be encoded
*/
void tcd_init_encode(opj_tcd_t *tcd, opj_volume_t * volume, 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 decoder
@param tcd TCD handle
@param volume Raw volume
@param cp Coding parameters
*/
void tcd_malloc_decode(opj_tcd_t *tcd, opj_volume_t * volume, opj_cp_t * cp);
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);
bool tcd_rateallocate(opj_tcd_t *tcd, unsigned char *dest, int len, opj_volume_info_t * volume_info);
/**
Encode a tile from the raw volume 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 volume_info Creation of index file
@return
*/
int tcd_encode_tile(opj_tcd_t *tcd, int tileno, unsigned char *dest, int len, opj_volume_info_t * volume_info);
/**
Decode a tile from a buffer into a raw volume
@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
*/
bool tcd_decode_tile(opj_tcd_t *tcd, unsigned char *src, int len, int tileno);
/**
Free the memory allocated for decoding
@param tcd TCD handle
*/
void tcd_free_decode(opj_tcd_t *tcd);
/* ----------------------------------------------------------------------- */
/*@}*/
/*@}*/
#endif /* __TCD_H */