149 lines
5.1 KiB
C
149 lines
5.1 KiB
C
/*
|
|
* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
|
|
* Copyright (c) 2002-2007, Professor Benoit Macq
|
|
* Copyright (c) 2001-2003, David Janssens
|
|
* Copyright (c) 2002-2003, Yannick Verschueren
|
|
* Copyright (c) 2003-2007, Francois-Olivier Devaux and 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 __T2_H
|
|
#define __T2_H
|
|
/**
|
|
@file t2.h
|
|
@brief Implementation of a tier-2 coding (packetization of code-block data) (T2)
|
|
|
|
*/
|
|
|
|
/** @defgroup T2 T2 - Implementation of a tier-2 coding */
|
|
/*@{*/
|
|
|
|
/**
|
|
Tier-2 coding
|
|
*/
|
|
typedef struct opj_t2 {
|
|
/** codec context */
|
|
opj_common_ptr cinfo;
|
|
|
|
/** Encoding: pointer to the src image. Decoding: pointer to the dst image. */
|
|
opj_image_t *image;
|
|
/** pointer to the image coding parameters */
|
|
opj_cp_t *cp;
|
|
} opj_t2_t;
|
|
|
|
/**
|
|
Tier-2 coding
|
|
*/
|
|
typedef struct opj_t2_v2 {
|
|
/** codec context */
|
|
opj_common_ptr cinfo;
|
|
|
|
/** Encoding: pointer to the src image. Decoding: pointer to the dst image. */
|
|
opj_image_t *image;
|
|
/** pointer to the image coding parameters */
|
|
opj_cp_v2_t *cp;
|
|
} opj_t2_v2_t;
|
|
|
|
/** @name Exported functions */
|
|
/*@{*/
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
/**
|
|
Encode the packets of a tile to a destination buffer
|
|
@param t2 T2 handle
|
|
@param tileno number of the tile encoded
|
|
@param tile the tile for which to write the packets
|
|
@param maxlayers maximum number of layers
|
|
@param dest the destination buffer
|
|
@param len the length of the destination buffer
|
|
@param cstr_info Codestream information structure
|
|
@param tpnum Tile part number of the current tile
|
|
@param tppos The position of the tile part flag in the progression order
|
|
@param pino
|
|
@param t2_mode If == 0 In Threshold calculation ,If == 1 Final pass
|
|
@param cur_totnum_tp The total number of tile parts in the current tile
|
|
*/
|
|
int t2_encode_packets(opj_t2_t* t2,int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_codestream_info_t *cstr_info,int tpnum, int tppos,int pino,J2K_T2_MODE t2_mode,int cur_totnum_tp);
|
|
/**
|
|
Decode the packets of a tile from a source buffer
|
|
@param t2 T2 handle
|
|
@param src the source buffer
|
|
@param len length of the source buffer
|
|
@param tileno number that identifies the tile for which to decode the packets
|
|
@param tile tile for which to decode the packets
|
|
@param cstr_info Codestream information structure
|
|
*/
|
|
int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile, opj_codestream_info_t *cstr_info);
|
|
|
|
/**
|
|
Decode the packets of a tile from a source buffer
|
|
@param t2 T2 handle
|
|
@param src the source buffer
|
|
@param len length of the source buffer
|
|
@param tileno number that identifies the tile for which to decode the packets
|
|
@param tile tile for which to decode the packets
|
|
*/
|
|
opj_bool t2_decode_packets_v2( opj_t2_v2_t *t2,
|
|
OPJ_UINT32 tileno,
|
|
struct opj_tcd_tile_v2 *tile,
|
|
OPJ_BYTE *src, OPJ_UINT32 * p_data_read,
|
|
OPJ_UINT32 len,
|
|
opj_codestream_index_t *cstr_info);
|
|
|
|
/**
|
|
* Creates a Tier 2 handle
|
|
*
|
|
* @param p_image Source or destination image
|
|
* @param p_cp Image coding parameters.
|
|
* @return a new T2 handle if successful, NULL otherwise.
|
|
*/
|
|
opj_t2_v2_t* t2_create_v2(opj_image_t *p_image, opj_cp_v2_t *p_cp);
|
|
|
|
/**
|
|
Create a T2 handle
|
|
@param cinfo Codec context info
|
|
@param image Source or destination image
|
|
@param cp Image coding parameters
|
|
@return Returns a new T2 handle if successful, returns NULL otherwise
|
|
*/
|
|
opj_t2_t* t2_create(opj_common_ptr cinfo, opj_image_t *image, opj_cp_t *cp);
|
|
/**
|
|
Destroy a T2 handle
|
|
@param t2 T2 handle to destroy
|
|
*/
|
|
void t2_destroy(opj_t2_t *t2);
|
|
|
|
/**
|
|
Destroy a T2 handle
|
|
@param t2 T2 handle to destroy
|
|
*/
|
|
void t2_destroy_v2(opj_t2_v2_t *t2);
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
/*@}*/
|
|
|
|
/*@}*/
|
|
|
|
#endif /* __T2_H */
|