1/* 2 * $Id: thix_manager.c 897 2011-08-28 21:43:57Z Kaori.Hagihara@gmail.com $ 3 * 4 * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium 5 * Copyright (c) 2002-2011, Professor Benoit Macq 6 * Copyright (c) 2003-2004, Yannick Verschueren 7 * Copyright (c) 2010-2011, Kaori Hagihara 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32/*! \file 33 * \brief Modification of jpip.c from 2KAN indexer 34 */ 35 36#include <stdlib.h> 37#include <stdio.h> 38#include <string.h> 39#include "opj_includes.h" 40 41/* 42 * Write tile-part headers mhix box 43 * 44 * @param[in] coff offset of j2k codestream 45 * @param[in] cstr_info codestream information 46 * @param[in] tileno tile number 47 * @param[in] cio file output handle 48 * @return length of mhix box 49 */ 50int write_tilemhix( int coff, opj_codestream_info_t cstr_info, int tileno, opj_cio_t *cio); 51 52int write_thix( int coff, opj_codestream_info_t cstr_info, opj_cio_t *cio) 53{ 54 int len, lenp, i; 55 int tileno; 56 opj_jp2_box_t *box; 57 58 lenp = 0; 59 box = (opj_jp2_box_t *)opj_calloc( cstr_info.tw*cstr_info.th, sizeof(opj_jp2_box_t)); 60 61 for ( i = 0; i < 2 ; i++ ){ 62 if (i) 63 cio_seek( cio, lenp); 64 65 lenp = cio_tell( cio); 66 cio_skip( cio, 4); /* L [at the end] */ 67 cio_write( cio, JPIP_THIX, 4); /* THIX */ 68 write_manf( i, cstr_info.tw*cstr_info.th, box, cio); 69 70 for (tileno = 0; tileno < cstr_info.tw*cstr_info.th; tileno++){ 71 box[tileno].length = write_tilemhix( coff, cstr_info, tileno, cio); 72 box[tileno].type = JPIP_MHIX; 73 } 74 75 len = cio_tell( cio)-lenp; 76 cio_seek( cio, lenp); 77 cio_write( cio, len, 4); /* L */ 78 cio_seek( cio, lenp+len); 79 } 80 81 opj_free(box); 82 83 return len; 84} 85 86int write_tilemhix( int coff, opj_codestream_info_t cstr_info, int tileno, opj_cio_t *cio) 87{ 88 int i; 89 opj_tile_info_t tile; 90 opj_tp_info_t tp; 91 int len, lenp; 92 opj_marker_info_t *marker; 93 94 lenp = cio_tell( cio); 95 cio_skip( cio, 4); /* L [at the end] */ 96 cio_write( cio, JPIP_MHIX, 4); /* MHIX */ 97 98 tile = cstr_info.tile[tileno]; 99 tp = tile.tp[0]; 100 101 cio_write( cio, tp.tp_end_header-tp.tp_start_pos+1, 8); /* TLEN */ 102 103 marker = cstr_info.tile[tileno].marker; 104 105 for( i=0; i<cstr_info.tile[tileno].marknum; i++){ /* Marker restricted to 1 apparition */ 106 cio_write( cio, marker[i].type, 2); 107 cio_write( cio, 0, 2); 108 cio_write( cio, marker[i].pos-coff, 8); 109 cio_write( cio, marker[i].len, 2); 110 } 111 112 /* free( marker);*/ 113 114 len = cio_tell( cio) - lenp; 115 cio_seek( cio, lenp); 116 cio_write( cio, len, 4); /* L */ 117 cio_seek( cio, lenp+len); 118 119 return len; 120} 121