OpenJPEG 2.1.0
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00001 /* 00002 * $Id: byte_manager.h 2835 2014-04-03 15:30:57Z antonin $ 00003 * 00004 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium 00005 * Copyright (c) 2002-2014, Professor Benoit Macq 00006 * Copyright (c) 2010-2011, Kaori Hagihara 00007 * All rights reserved. 00008 * 00009 * Redistribution and use in source and binary forms, with or without 00010 * modification, are permitted provided that the following conditions 00011 * are met: 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 2. Redistributions in binary form must reproduce the above copyright 00015 * notice, this list of conditions and the following disclaimer in the 00016 * documentation and/or other materials provided with the distribution. 00017 * 00018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' 00019 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00020 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00021 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00022 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00023 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00024 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00025 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00026 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00027 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00028 * POSSIBILITY OF SUCH DAMAGE. 00029 */ 00030 00031 #ifndef BYTE_MANAGER_H_ 00032 #define BYTE_MANAGER_H_ 00033 00034 #include <stddef.h> 00035 #include "openjpeg.h" 00036 #include "opj_stdint.h" 00037 typedef uint8_t Byte_t; 00038 typedef uint16_t Byte2_t; 00039 typedef uint32_t Byte4_t; 00040 typedef uint64_t Byte8_t; 00041 00050 Byte_t * fetch_bytes( int fd, OPJ_OFF_T offset, OPJ_SIZE_T size); 00051 00052 00060 Byte_t fetch_1byte( int fd, OPJ_OFF_T offset); 00061 00069 Byte2_t fetch_2bytebigendian( int fd, OPJ_OFF_T offset); 00070 00078 Byte4_t fetch_4bytebigendian( int fd, OPJ_OFF_T offset); 00079 00087 Byte8_t fetch_8bytebigendian( int fd, OPJ_OFF_T offset); 00088 00089 00096 Byte2_t big2( Byte_t *buf); 00097 00104 Byte4_t big4( Byte_t *buf); 00105 00112 Byte8_t big8( Byte_t *buf); 00113 00120 void modify_4Bytecode( Byte4_t code, Byte_t *stream); 00121 00128 OPJ_OFF_T get_filesize( int fd); 00129 00130 #endif /* !BYTE_MANAGER_H_ */