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/*
* $Id: tpix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $
*
* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2011, Professor Benoit Macq
* Copyright (c) 2003-2004, Yannick Verschueren
* Copyright (c) 2010-2011, Kaori Hagihara
* 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.
*/
/*! \file
* \brief Modification of jpip.c from 2KAN indexer
*/
#include <math.h>
#include "opj_includes.h"
#define MAX(a,b) ((a)>(b)?(a):(b))
/*
* Write faix box of tpix
*
* @param[in] coff offset of j2k codestream
* @param[in] compno component number
* @param[in] cstr_info codestream information
* @param[in] j2klen length of j2k codestream
* @param[in] cio file output handle
* @return length of faix box
*/
int write_tpixfaix( int coff, int compno, opj_codestream_info_t cstr_info, int j2klen, opj_cio_t *cio);
int write_tpix( int coff, opj_codestream_info_t cstr_info, int j2klen, opj_cio_t *cio)
{
int len, lenp;
lenp = cio_tell( cio);
cio_skip( cio, 4); /* L [at the end] */
cio_write( cio, JPIP_TPIX, 4); /* TPIX */
write_tpixfaix( coff, 0, cstr_info, j2klen, cio);
len = cio_tell( cio)-lenp;
cio_seek( cio, lenp);
cio_write( cio, len, 4); /* L */
cio_seek( cio, lenp+len);
return len;
}
/*
* Get number of maximum tile parts per tile
*
* @param[in] cstr_info codestream information
* @return number of maximum tile parts per tile
*/
int get_num_max_tile_parts( opj_codestream_info_t cstr_info);
int write_tpixfaix( int coff, int compno, opj_codestream_info_t cstr_info, int j2klen, opj_cio_t *cio)
{
int len, lenp;
int i, j;
int Aux;
int num_max_tile_parts;
int size_of_coding; /* 4 or 8 */
opj_tp_info_t tp;
int version;
num_max_tile_parts = get_num_max_tile_parts( cstr_info);
if( j2klen > pow( 2, 32)){
size_of_coding = 8;
version = num_max_tile_parts == 1 ? 1:3;
}
else{
size_of_coding = 4;
version = num_max_tile_parts == 1 ? 0:2;
}
lenp = cio_tell( cio);
cio_skip( cio, 4); /* L [at the end] */
cio_write( cio, JPIP_FAIX, 4); /* FAIX */
cio_write( cio, version, 1); /* Version 0 = 4 bytes */
cio_write( cio, num_max_tile_parts, size_of_coding); /* NMAX */
cio_write( cio, cstr_info.tw*cstr_info.th, size_of_coding); /* M */
for (i = 0; i < cstr_info.tw*cstr_info.th; i++){
for (j = 0; j < cstr_info.tile[i].num_tps; j++){
tp = cstr_info.tile[i].tp[j];
cio_write( cio, tp.tp_start_pos-coff, size_of_coding); /* start position */
cio_write( cio, tp.tp_end_pos-tp.tp_start_pos+1, size_of_coding); /* length */
if (version & 0x02){
if( cstr_info.tile[i].num_tps == 1 && cstr_info.numdecompos[compno] > 1)
Aux = cstr_info.numdecompos[compno] + 1;
else
Aux = j + 1;
cio_write( cio, Aux,4);
/*cio_write(img.tile[i].tile_parts[j].num_reso_AUX,4);*/ /* Aux_i,j : Auxiliary value */
/* fprintf(stderr,"AUX value %d\n",Aux);*/
}
/*cio_write(0,4);*/
}
/* PADDING */
while (j < num_max_tile_parts){
cio_write( cio, 0, size_of_coding); /* start position */
cio_write( cio, 0, size_of_coding); /* length */
if (version & 0x02)
cio_write( cio, 0,4); /* Aux_i,j : Auxiliary value */
j++;
}
}
len = cio_tell( cio)-lenp;
cio_seek( cio, lenp);
cio_write( cio, len, 4); /* L */
cio_seek( cio, lenp+len);
return len;
}
int get_num_max_tile_parts( opj_codestream_info_t cstr_info)
{
int num_max_tp = 0, i;
for( i=0; i<cstr_info.tw*cstr_info.th; i++)
num_max_tp = MAX( cstr_info.tile[i].num_tps, num_max_tp);
return num_max_tp;
}
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