135 lines
4.8 KiB
C
135 lines
4.8 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) 2002-2014, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2014, 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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int opj_write_thix( int coff, opj_codestream_info_t cstr_info, opj_stream_private_t *cio,
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opj_event_mgr_t * p_manager )
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{
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OPJ_BYTE l_data_header [4];
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int i;
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int tileno;
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opj_jp2_box_t *box;
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OPJ_UINT32 len;
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OPJ_OFF_T lenp;
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lenp = 0;
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box = (opj_jp2_box_t *)opj_calloc( (size_t)(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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opj_stream_seek( cio, lenp, p_manager);
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lenp = opj_stream_tell(cio);
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opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
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opj_write_bytes(l_data_header,JPIP_THIX,4); /* THIX */
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opj_stream_write_data(cio,l_data_header,4,p_manager);
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opj_write_manf( i, cstr_info.tw*cstr_info.th, box, cio, p_manager);
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for (tileno = 0; tileno < cstr_info.tw*cstr_info.th; tileno++){
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box[tileno].length = (OPJ_UINT32)opj_write_tilemhix( coff, cstr_info, tileno, cio,p_manager);
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box[tileno].type = JPIP_MHIX;
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}
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len = (OPJ_UINT32)(opj_stream_tell(cio)-lenp);
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opj_stream_seek(cio, lenp, p_manager);
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opj_write_bytes(l_data_header,len,4); /* L */
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opj_stream_write_data(cio,l_data_header,4,p_manager);
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opj_stream_seek( cio, lenp+len,p_manager);
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}
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opj_free(box);
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return (int)len;
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}
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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 opj_write_tilemhix( int coff, opj_codestream_info_t cstr_info, int tileno, opj_stream_private_t *cio,
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opj_event_mgr_t * p_manager )
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{
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OPJ_BYTE l_data_header [8];
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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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opj_marker_info_t *marker;
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OPJ_UINT32 len;
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OPJ_OFF_T lenp;
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lenp = opj_stream_tell (cio);
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opj_stream_skip(cio, 4, p_manager); /* L [at the end] */
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opj_write_bytes(l_data_header,JPIP_MHIX,4); /* MHIX */
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opj_stream_write_data(cio,l_data_header,4,p_manager);
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tile = cstr_info.tile[tileno];
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tp = tile.tp[0];
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opj_write_bytes(l_data_header,(OPJ_UINT32)(tp.tp_end_header-tp.tp_start_pos+1), 8); /* TLEN */
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opj_stream_write_data(cio,l_data_header,8,p_manager);
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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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opj_write_bytes( l_data_header, marker[i].type, 2);
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opj_write_bytes( l_data_header+2, 0, 2);
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opj_stream_write_data(cio,l_data_header,4,p_manager);
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opj_write_bytes( l_data_header, (OPJ_UINT32)(marker[i].pos-coff), 8);
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opj_stream_write_data(cio,l_data_header,8,p_manager);
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opj_write_bytes( l_data_header, (OPJ_UINT32)marker[i].len, 2);
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opj_stream_write_data(cio,l_data_header,2,p_manager);
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}
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/* free( marker);*/
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len = (OPJ_UINT32)(opj_stream_tell(cio)-lenp);
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opj_stream_seek(cio, lenp,p_manager);
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opj_write_bytes(l_data_header,len,4);/* L */
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opj_stream_write_data(cio,l_data_header,4,p_manager);
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opj_stream_seek(cio, lenp+len,p_manager);
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return (int)len;
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}
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