openjpeg/src/lib/openjp2/thix_manager.c

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/*
* $Id: thix_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"
int opj_write_thix(int coff, opj_codestream_info_t cstr_info,
opj_stream_private_t *cio,
opj_event_mgr_t * p_manager)
{
OPJ_BYTE l_data_header [4];
int i;
int tileno;
opj_jp2_box_t *box;
OPJ_UINT32 len;
OPJ_OFF_T lenp;
lenp = 0;
box = (opj_jp2_box_t *)opj_calloc((size_t)(cstr_info.tw * cstr_info.th),
sizeof(opj_jp2_box_t));
if (box == NULL) {
return 0;
}
for (i = 0; i < 2 ; i++) {
if (i) {
opj_stream_seek(cio, lenp, p_manager);
}
lenp = opj_stream_tell(cio);
opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
opj_write_bytes(l_data_header, JPIP_THIX, 4); /* THIX */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_write_manf(i, cstr_info.tw * cstr_info.th, box, cio, p_manager);
for (tileno = 0; tileno < cstr_info.tw * cstr_info.th; tileno++) {
box[tileno].length = (OPJ_UINT32)opj_write_tilemhix(coff, cstr_info, tileno,
cio, p_manager);
box[tileno].type = JPIP_MHIX;
}
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);
}
opj_free(box);
return (int)len;
}
/*
* Write tile-part headers mhix box
*
* @param[in] coff offset of j2k codestream
* @param[in] cstr_info codestream information
* @param[in] tileno tile number
* @param[in] cio file output handle
* @return length of mhix box
*/
int opj_write_tilemhix(int coff, opj_codestream_info_t cstr_info, int tileno,
opj_stream_private_t *cio,
opj_event_mgr_t * p_manager)
{
OPJ_BYTE l_data_header [8];
int i;
opj_tile_info_t tile;
opj_tp_info_t tp;
opj_marker_info_t *marker;
OPJ_UINT32 len;
OPJ_OFF_T lenp;
lenp = opj_stream_tell(cio);
opj_stream_skip(cio, 4,
p_manager); /* L [at the end] */
opj_write_bytes(l_data_header, JPIP_MHIX,
4); /* MHIX */
opj_stream_write_data(cio, l_data_header, 4, p_manager);
tile = cstr_info.tile[tileno];
tp = tile.tp[0];
opj_write_bytes(l_data_header,
(OPJ_UINT32)(tp.tp_end_header - tp.tp_start_pos + 1),
8); /* TLEN */
opj_stream_write_data(cio, l_data_header, 8, p_manager);
marker = cstr_info.tile[tileno].marker;
for (i = 0; i < cstr_info.tile[tileno].marknum;
i++) { /* Marker restricted to 1 apparition */
opj_write_bytes(l_data_header, marker[i].type, 2);
opj_write_bytes(l_data_header + 2, 0, 2);
opj_stream_write_data(cio, l_data_header, 4, p_manager);
opj_write_bytes(l_data_header, (OPJ_UINT32)(marker[i].pos - coff), 8);
opj_stream_write_data(cio, l_data_header, 8, p_manager);
opj_write_bytes(l_data_header, (OPJ_UINT32)marker[i].len, 2);
opj_stream_write_data(cio, l_data_header, 2, p_manager);
}
/* free( marker);*/
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;
}