119 lines
4.0 KiB
C
119 lines
4.0 KiB
C
/*
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* $Id: thix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $
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*
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* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2011, Professor Benoit Macq
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* Copyright (c) 2003-2004, Yannick Verschueren
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* Copyright (c) 2010-2011, Kaori Hagihara
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*! \file
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* \brief Modification of jpip.c from 2KAN indexer
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*/
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#include "opj_includes.h"
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/*
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* Write tile-part headers mhix box
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*
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* @param[in] coff offset of j2k codestream
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* @param[in] cstr_info codestream information
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* @param[in] tileno tile number
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* @param[in] cio file output handle
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* @return length of mhix box
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*/
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int write_tilemhix( int coff, opj_codestream_info_t cstr_info, int tileno, opj_cio_t *cio);
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int write_thix( int coff, opj_codestream_info_t cstr_info, opj_cio_t *cio)
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{
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int len, lenp, i;
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int tileno;
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opj_jp2_box_t *box;
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lenp = 0;
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box = (opj_jp2_box_t *)opj_calloc( cstr_info.tw*cstr_info.th, sizeof(opj_jp2_box_t));
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for ( i = 0; i < 2 ; i++ ){
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if (i)
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cio_seek( cio, lenp);
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lenp = cio_tell( cio);
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cio_skip( cio, 4); /* L [at the end] */
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cio_write( cio, JPIP_THIX, 4); /* THIX */
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write_manf( i, cstr_info.tw*cstr_info.th, box, cio);
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for (tileno = 0; tileno < cstr_info.tw*cstr_info.th; tileno++){
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box[tileno].length = write_tilemhix( coff, cstr_info, tileno, cio);
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box[tileno].type = JPIP_MHIX;
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}
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len = cio_tell( cio)-lenp;
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cio_seek( cio, lenp);
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cio_write( cio, len, 4); /* L */
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cio_seek( cio, lenp+len);
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}
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opj_free(box);
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return len;
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}
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int write_tilemhix( int coff, opj_codestream_info_t cstr_info, int tileno, opj_cio_t *cio)
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{
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int i;
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opj_tile_info_t tile;
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opj_tp_info_t tp;
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int marknum;
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int len, lenp;
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opj_marker_info_t *marker;
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lenp = cio_tell( cio);
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cio_skip( cio, 4); /* L [at the end] */
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cio_write( cio, JPIP_MHIX, 4); /* MHIX */
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tile = cstr_info.tile[tileno];
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tp = tile.tp[0];
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cio_write( cio, tp.tp_end_header-tp.tp_start_pos+1, 8); /* TLEN */
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marker = cstr_info.tile[tileno].marker;
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for( i=0; i<cstr_info.tile[tileno].marknum; i++){ /* Marker restricted to 1 apparition */
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cio_write( cio, marker[i].type, 2);
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cio_write( cio, 0, 2);
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cio_write( cio, marker[i].pos-coff, 8);
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cio_write( cio, marker[i].len, 2);
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}
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/* free( marker);*/
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len = cio_tell( cio) - lenp;
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cio_seek( cio, lenp);
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cio_write( cio, len, 4); /* L */
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cio_seek( cio, lenp+len);
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return len;
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}
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