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/*
* 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 __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 {
/** 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;
/** @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 p_data_written FIXME DOC
@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 FIXME DOC
@param t2_mode If == 0 In Threshold calculation ,If == 1 Final pass
*/
OPJ_BOOL opj_t2_encode_packets( opj_t2_t* t2,
OPJ_UINT32 tileno,
opj_tcd_tile_t *tile,
OPJ_UINT32 maxlayers,
OPJ_BYTE *dest,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 len,
opj_codestream_info_t *cstr_info,
OPJ_UINT32 tpnum,
OPJ_INT32 tppos,
OPJ_UINT32 pino,
J2K_T2_MODE t2_mode);
/**
Decode the packets of a tile from a source buffer
@param t2 T2 handle
@param tileno number that identifies the tile for which to decode the packets
@param tile tile for which to decode the packets
@param src FIXME DOC
@param p_data_read the source buffer
@param len length of the source buffer
@param cstr_info FIXME DOC
@return FIXME DOC
*/
OPJ_BOOL opj_t2_decode_packets( opj_t2_t *t2,
OPJ_UINT32 tileno,
opj_tcd_tile_t *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_t* opj_t2_create(opj_image_t *p_image, opj_cp_t *p_cp);
/**
Destroy a T2 handle
@param t2 T2 handle to destroy
*/
void opj_t2_destroy(opj_t2_t *t2);
/* ----------------------------------------------------------------------- */
/*@}*/
/*@}*/
#endif /* __T2_H */
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