/*
* 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
* Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
* Copyright (c) 2012, CS Systemes d'Information, France
* 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 encode or decode each tile independently from
each other. The functions in TCD.C are used by other functions in J2K.C.
*/
/** @defgroup TCD TCD - Implementation of a tile coder/decoder */
/*@{*/
/**
FIXME DOC
*/
typedef struct opj_tcd_seg {
OPJ_BYTE ** data;
OPJ_UINT32 dataindex;
OPJ_UINT32 numpasses;
OPJ_UINT32 real_num_passes;
OPJ_UINT32 len;
OPJ_UINT32 maxpasses;
OPJ_UINT32 numnewpasses;
OPJ_UINT32 newlen;
} opj_tcd_seg_t;
/**
FIXME DOC
*/
typedef struct opj_tcd_pass {
OPJ_UINT32 rate;
OPJ_FLOAT64 distortiondec;
OPJ_UINT32 len;
OPJ_UINT32 term : 1;
} opj_tcd_pass_t;
/**
FIXME DOC
*/
typedef struct opj_tcd_layer {
OPJ_UINT32 numpasses; /* Number of passes in the layer */
OPJ_UINT32 len; /* len of information */
OPJ_FLOAT64 disto; /* add for index (Cfr. Marcela) */
OPJ_BYTE *data; /* data */
} opj_tcd_layer_t;
/**
FIXME DOC
*/
typedef struct opj_tcd_cblk_enc {
OPJ_BYTE* data; /* Data */
opj_tcd_layer_t* layers; /* layer information */
opj_tcd_pass_t* passes; /* information about the passes */
OPJ_INT32 x0, y0, x1, y1; /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
OPJ_UINT32 numbps;
OPJ_UINT32 numlenbits;
OPJ_UINT32 data_size; /* Size of allocated data buffer */
OPJ_UINT32 numpasses; /* number of pass already done for the code-blocks */
OPJ_UINT32 numpassesinlayers; /* number of passes in the layer */
OPJ_UINT32 totalpasses; /* total number of passes */
} opj_tcd_cblk_enc_t;
typedef struct opj_tcd_cblk_dec {
OPJ_BYTE * data; /* Data */
opj_tcd_seg_t* segs; /* segments information */
OPJ_INT32 x0, y0, x1, y1; /* position of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
OPJ_UINT32 numbps;
OPJ_UINT32 numlenbits;
OPJ_UINT32 data_max_size; /* Size of allocated data buffer */
OPJ_UINT32 data_current_size; /* Size of used data buffer */
OPJ_UINT32 numnewpasses; /* number of pass added to the code-blocks */
OPJ_UINT32 numsegs; /* number of segments */
OPJ_UINT32 real_num_segs;
OPJ_UINT32 m_current_max_segs;
} opj_tcd_cblk_dec_t;
/**
FIXME DOC
*/
typedef struct opj_tcd_precinct {
OPJ_INT32 x0, y0, x1, y1; /* dimension of the precinct : left upper corner (x0, y0) right low corner (x1,y1) */
OPJ_UINT32 cw, ch; /* number of precinct in width and height */
union{ /* code-blocks information */
opj_tcd_cblk_enc_t* enc;
opj_tcd_cblk_dec_t* dec;
void* blocks;
} cblks;
OPJ_UINT32 block_size; /* size taken by cblks (in bytes) */
opj_tgt_tree_t *incltree; /* inclusion tree */
opj_tgt_tree_t *imsbtree; /* IMSB tree */
} opj_tcd_precinct_t;
/**
FIXME DOC
*/
typedef struct opj_tcd_band {
OPJ_INT32 x0, y0, x1, y1; /* dimension of the subband : left upper corner (x0, y0) right low corner (x1,y1) */
OPJ_UINT32 bandno;
opj_tcd_precinct_t *precincts; /* precinct information */
OPJ_UINT32 precincts_data_size; /* size of data taken by precincts */
OPJ_INT32 numbps;
OPJ_FLOAT32 stepsize;
} opj_tcd_band_t;
/**
FIXME DOC
*/
typedef struct opj_tcd_resolution {
OPJ_INT32 x0, y0, x1, y1; /* dimension of the resolution level : left upper corner (x0, y0) right low corner (x1,y1) */
OPJ_UINT32 pw, ph;
OPJ_UINT32 numbands; /* number sub-band for the resolution level */
opj_tcd_band_t bands[3]; /* subband information */
} opj_tcd_resolution_t;
/**
FIXME DOC
*/
typedef struct opj_tcd_tilecomp
{
OPJ_INT32 x0, y0, x1, y1; /* dimension of component : left upper corner (x0, y0) right low corner (x1,y1) */
OPJ_UINT32 numresolutions; /* number of resolutions level */
OPJ_UINT32 minimum_num_resolutions; /* number of resolutions level to decode (at max)*/
opj_tcd_resolution_t *resolutions; /* resolutions information */
OPJ_UINT32 resolutions_size; /* size of data for resolutions (in bytes) */
OPJ_INT32 *data; /* data of the component */
OPJ_BOOL ownsData; /* if true, then need to free after usage, otherwise do not free */
OPJ_UINT32 data_size_needed; /* we may either need to allocate this amount of data, or re-use image data and ignore this value */
OPJ_UINT32 data_size; /* size of the data of the component */
OPJ_INT32 numpix; /* add fixed_quality */
} opj_tcd_tilecomp_t;
/**
FIXME DOC
*/
typedef struct opj_tcd_tile {
OPJ_INT32 x0, y0, x1, y1; /* dimension of the tile : left upper corner (x0, y0) right low corner (x1,y1) */
OPJ_UINT32 numcomps; /* number of components in tile */
opj_tcd_tilecomp_t *comps; /* Components information */
OPJ_INT32 numpix; /* add fixed_quality */
OPJ_FLOAT64 distotile; /* add fixed_quality */
OPJ_FLOAT64 distolayer[100]; /* add fixed_quality */
OPJ_UINT32 packno; /* packet number */
} opj_tcd_tile_t;
/**
FIXME DOC
*/
typedef struct opj_tcd_image
{
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*/
OPJ_INT32 tp_pos;
/** Tile part number*/
OPJ_UINT32 tp_num;
/** Current tile part number*/
OPJ_UINT32 cur_tp_num;
/** Total number of tileparts of the current tile*/
OPJ_UINT32 cur_totnum_tp;
/** Current Packet iterator number */
OPJ_UINT32 cur_pino;
/** info on each image tile */
opj_tcd_image_t *tcd_image;
/** image header */
opj_image_t *image;
/** coding parameters */
opj_cp_t *cp;
/** coding/decoding parameters common to all tiles */
opj_tcp_t *tcp;
/** current encoded/decoded tile */
OPJ_UINT32 tcd_tileno;
/** tell if the tcd is a decoder. */
OPJ_UINT32 m_is_decoder : 1;
} 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);*/ /* TODO MSD shoul use the new v2 structures */
/**
Create a new TCD handle
@param p_is_decoder FIXME DOC
@return Returns a new TCD handle if successful returns NULL otherwise
*/
opj_tcd_t* opj_tcd_create(OPJ_BOOL p_is_decoder);
/**
Destroy a previously created TCD handle
@param tcd TCD handle to destroy
*/
void opj_tcd_destroy(opj_tcd_t *tcd);
/**
* Initialize the tile coder and may reuse some memory.
* @param p_tcd TCD handle.
* @param p_image raw image.
* @param p_cp coding parameters.
*
* @return true if the encoding values could be set (false otherwise).
*/
OPJ_BOOL opj_tcd_init( opj_tcd_t *p_tcd,
opj_image_t * p_image,
opj_cp_t * p_cp );
/**
* Allocates memory for decoding a specific tile.
*
* @param p_tcd the tile decoder.
* @param p_tile_no the index of the tile received in sequence. This not necessarily lead to the
* tile at index p_tile_no.
* @param p_manager the event manager.
*
* @return true if the remaining data is sufficient.
*/
OPJ_BOOL opj_tcd_init_decode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, opj_event_mgr_t* p_manager);
void opj_tcd_makelayer_fixed(opj_tcd_t *tcd, OPJ_UINT32 layno, OPJ_UINT32 final);
void opj_tcd_rateallocate_fixed(opj_tcd_t *tcd);
void opj_tcd_makelayer( opj_tcd_t *tcd,
OPJ_UINT32 layno,
OPJ_FLOAT64 thresh,
OPJ_UINT32 final);
OPJ_BOOL opj_tcd_rateallocate( opj_tcd_t *tcd,
OPJ_BYTE *dest,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 len,
opj_codestream_info_t *cstr_info);
/**
* Gets the maximum tile size that will be taken by the tile once decoded.
*/
OPJ_UINT32 opj_tcd_get_decoded_tile_size (opj_tcd_t *p_tcd );
/**
* Encodes a tile from the raw image into the given buffer.
* @param p_tcd Tile Coder handle
* @param p_tile_no Index of the tile to encode.
* @param p_dest Destination buffer
* @param p_data_written pointer to an int that is incremented by the number of bytes really written on p_dest
* @param p_len Maximum length of the destination buffer
* @param p_cstr_info Codestream information structure
* @return true if the coding is successful.
*/
OPJ_BOOL opj_tcd_encode_tile( opj_tcd_t *p_tcd,
OPJ_UINT32 p_tile_no,
OPJ_BYTE *p_dest,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 p_len,
struct opj_codestream_info *p_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 FIXME DOC
@param manager the event manager.
*/
OPJ_BOOL opj_tcd_decode_tile( opj_tcd_t *tcd,
OPJ_BYTE *src,
OPJ_UINT32 len,
OPJ_UINT32 tileno,
opj_codestream_index_t *cstr_info,
opj_event_mgr_t *manager);
/**
* Copies tile data from the system onto the given memory block.
*/
OPJ_BOOL opj_tcd_update_tile_data ( opj_tcd_t *p_tcd,
OPJ_BYTE * p_dest,
OPJ_UINT32 p_dest_length );
/**
*
*/
OPJ_UINT32 opj_tcd_get_encoded_tile_size ( opj_tcd_t *p_tcd );
/**
* Initialize the tile coder and may reuse some meory.
*
* @param p_tcd TCD handle.
* @param p_tile_no current tile index to encode.
* @param p_manager the event manager.
*
* @return true if the encoding values could be set (false otherwise).
*/
OPJ_BOOL opj_tcd_init_encode_tile ( opj_tcd_t *p_tcd,
OPJ_UINT32 p_tile_no, opj_event_mgr_t* p_manager );
/**
* Copies tile data from the given memory block onto the system.
*/
OPJ_BOOL opj_tcd_copy_tile_data (opj_tcd_t *p_tcd,
OPJ_BYTE * p_src,
OPJ_UINT32 p_src_length );
/**
* Allocates tile component data
*
*
*/
OPJ_BOOL opj_alloc_tile_component_data(opj_tcd_tilecomp_t *l_tilec);
/* ----------------------------------------------------------------------- */
/*@}*/
/*@}*/
#endif /* __TCD_H */