corrade-vassal – Rev 1
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/*
* $Id: phix_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 <stdlib.h>
#include <math.h>
#include "opj_includes.h"
/*
* Write faix box of phix
*
* @param[in] coff offset of j2k codestream
* @param[in] compno component number
* @param[in] cstr_info codestream information
* @param[in] EPHused true if if EPH option used
* @param[in] j2klen length of j2k codestream
* @param[in] cio file output handle
* @return length of faix box
*/
int write_phixfaix( int coff, int compno, opj_codestream_info_t cstr_info, opj_bool EPHused, int j2klen, opj_cio_t *cio);
int write_phix( int coff, opj_codestream_info_t cstr_info, opj_bool EPHused, int j2klen, opj_cio_t *cio)
{
int len, lenp=0, compno, i;
opj_jp2_box_t *box;
box = (opj_jp2_box_t *)opj_calloc( cstr_info.numcomps, sizeof(opj_jp2_box_t));
for( i=0;i<2;i++){
if (i) cio_seek( cio, lenp);
lenp = cio_tell( cio);
cio_skip( cio, 4); /* L [at the end] */
cio_write( cio, JPIP_PHIX, 4); /* PHIX */
write_manf( i, cstr_info.numcomps, box, cio);
for( compno=0; compno<cstr_info.numcomps; compno++){
box[compno].length = write_phixfaix( coff, compno, cstr_info, EPHused, j2klen, cio);
box[compno].type = JPIP_FAIX;
}
len = cio_tell( cio)-lenp;
cio_seek( cio, lenp);
cio_write( cio, len, 4); /* L */
cio_seek( cio, lenp+len);
}
opj_free(box);
return len;
}
int write_phixfaix( int coff, int compno, opj_codestream_info_t cstr_info, opj_bool EPHused, int j2klen, opj_cio_t *cio)
{
int len, lenp, tileno, version, i, nmax, size_of_coding; /* 4 or 8 */
opj_tile_info_t *tile_Idx;
opj_packet_info_t packet;
int resno, precno, layno, num_packet;
int numOfres, numOfprec, numOflayers;
packet.end_ph_pos = packet.start_pos = -1;
(void)EPHused; /* unused ? */
if( j2klen > pow( 2, 32)){
size_of_coding = 8;
version = 1;
}
else{
size_of_coding = 4;
version = 0;
}
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 */
nmax = 0;
for( i=0; i<=cstr_info.numdecompos[compno]; i++)
nmax += cstr_info.tile[0].ph[i] * cstr_info.tile[0].pw[i] * cstr_info.numlayers;
cio_write( cio, nmax, size_of_coding); /* NMAX */
cio_write( cio, cstr_info.tw*cstr_info.th, size_of_coding); /* M */
for( tileno=0; tileno<cstr_info.tw*cstr_info.th; tileno++){
tile_Idx = &cstr_info.tile[ tileno];
num_packet = 0;
numOfres = cstr_info.numdecompos[compno] + 1;
for( resno=0; resno<numOfres ; resno++){
numOfprec = tile_Idx->pw[resno]*tile_Idx->ph[resno];
for( precno=0; precno<numOfprec; precno++){
numOflayers = cstr_info.numlayers;
for( layno=0; layno<numOflayers; layno++){
switch ( cstr_info.prog){
case LRCP:
packet = tile_Idx->packet[ ((layno*numOfres+resno)*cstr_info.numcomps+compno)*numOfprec+precno];
break;
case RLCP:
packet = tile_Idx->packet[ ((resno*numOflayers+layno)*cstr_info.numcomps+compno)*numOfprec+precno];
break;
case RPCL:
packet = tile_Idx->packet[ ((resno*numOfprec+precno)*cstr_info.numcomps+compno)*numOflayers+layno];
break;
case PCRL:
packet = tile_Idx->packet[ ((precno*cstr_info.numcomps+compno)*numOfres+resno)*numOflayers + layno];
break;
case CPRL:
packet = tile_Idx->packet[ ((compno*numOfprec+precno)*numOfres+resno)*numOflayers + layno];
break;
default:
fprintf( stderr, "failed to ppix indexing\n");
}
cio_write( cio, packet.start_pos-coff, size_of_coding); /* start position */
cio_write( cio, packet.end_ph_pos-packet.start_pos+1, size_of_coding); /* length */
num_packet++;
}
}
}
/* PADDING */
while( num_packet < nmax){
cio_write( cio, 0, size_of_coding); /* start position */
cio_write( cio, 0, size_of_coding); /* length */
num_packet++;
}
}
len = cio_tell( cio)-lenp;
cio_seek( cio, lenp);
cio_write( cio, len, 4); /* L */
cio_seek( cio, lenp+len);
return len;
}