/*
* $Id: tpix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $
*
* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2014, 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 "opj_includes.h"
#define MAX(a,b) ((a)>(b)?(a):(b))
/*
* 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);
/*
* 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 opj_write_tpix(int coff,
opj_codestream_info_t cstr_info,
int j2klen, opj_stream_private_t *cio,
opj_event_mgr_t * p_manager)
{
OPJ_BYTE l_data_header [4];
OPJ_UINT32 len;
OPJ_OFF_T lenp;
lenp = opj_stream_tell(cio);
opj_stream_skip(cio, 4, p_manager);
opj_write_bytes(l_data_header, JPIP_TPIX, 4); /* TPIX */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_write_tpixfaix(coff, 0, cstr_info, j2klen, cio, p_manager);
len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
opj_stream_skip(cio, lenp, p_manager);
opj_write_bytes(l_data_header, len, 4); /* L */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_stream_seek(cio, lenp + len, p_manager);
return (int)len;
}
int opj_write_tpixfaix(int coff,
int compno,
opj_codestream_info_t cstr_info,
int j2klen,
opj_stream_private_t *cio,
opj_event_mgr_t * p_manager)
{
OPJ_UINT32 len;
OPJ_OFF_T lenp;
OPJ_UINT32 i, j;
OPJ_UINT32 Aux;
OPJ_UINT32 num_max_tile_parts;
OPJ_UINT32 size_of_coding; /* 4 or 8 */
opj_tp_info_t tp;
OPJ_BYTE l_data_header [8];
OPJ_UINT32 version;
num_max_tile_parts = (OPJ_UINT32)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 = opj_stream_tell(cio);
opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
opj_write_bytes(l_data_header, JPIP_FAIX, 4); /* FAIX */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_write_bytes(l_data_header, version, 1); /* Version 0 = 4 bytes */
opj_stream_write_data(cio, l_data_header, 1, p_manager);
opj_write_bytes(l_data_header, num_max_tile_parts,
size_of_coding); /* NMAX */
opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
opj_write_bytes(l_data_header, (OPJ_UINT32)(cstr_info.tw * cstr_info.th),
size_of_coding); /* M */
opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
for (i = 0; i < (OPJ_UINT32)(cstr_info.tw * cstr_info.th); i++) {
for (j = 0; j < (OPJ_UINT32)cstr_info.tile[i].num_tps; j++) {
tp = cstr_info.tile[i].tp[j];
opj_write_bytes(l_data_header, (OPJ_UINT32)(tp.tp_start_pos - coff),
size_of_coding); /* start position */
opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
opj_write_bytes(l_data_header,
(OPJ_UINT32)(tp.tp_end_pos - tp.tp_start_pos + 1),
size_of_coding); /* length */
opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
if (version & 0x02) {
if (cstr_info.tile[i].num_tps == 1 && cstr_info.numdecompos[compno] > 1) {
Aux = (OPJ_UINT32)(cstr_info.numdecompos[compno] + 1);
} else {
Aux = j + 1;
}
opj_write_bytes(l_data_header, Aux, 4);
opj_stream_write_data(cio, l_data_header, 4, p_manager);
/*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) {
opj_write_bytes(l_data_header, 0,
size_of_coding); /* start position */
opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
opj_write_bytes(l_data_header, 0,
size_of_coding); /* length */
opj_stream_write_data(cio, l_data_header, size_of_coding, p_manager);
if (version & 0x02) {
opj_write_bytes(l_data_header, 0, 4); /* Aux_i,j : Auxiliary value */
}
opj_stream_write_data(cio, l_data_header, 4, p_manager);
j++;
}
}
len = (OPJ_UINT32)(opj_stream_tell(cio) - lenp);
opj_stream_seek(cio, lenp, p_manager);
opj_write_bytes(l_data_header, len, 4); /* L */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_stream_seek(cio, lenp + len, p_manager);
return (int)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;
}