2 * $Id: codestream_manager.h 44 2011-02-15 12:32:29Z kaori $
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) 2010-2011, Kaori Hagihara
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
31 #ifndef CODESTREAM_MANAGER_H_
32 # define CODESTREAM_MANAGER_H_
34 #include "byte_manager.h"
36 /** codestream parameters*/
37 typedef struct codestream_param{
38 int fd; /**< file descriptor*/
39 Byte8_t offset; /**< byte position of DBox (Box Contents) in the file*/
40 Byte8_t length; /**< content length*/
45 * set codestream parameters from inputs
47 * @param[in] fd file descriptor
48 * @param[in] offset offset in the file
49 * @param[in] length codestream length
50 * @return structure of generated codestream parameters
52 codestream_param_t set_codestream( int fd, Byte8_t offset, Byte8_t length);
56 * fetch Codestream bytes of data in file stream
58 * @param[in] cs codestream pointer
59 * @param[in] offset start Byte position in codestream
60 * @param[in] size Byte length
61 * @return pointer to the fetched data
63 Byte_t * fetch_codestreambytes( codestream_param_t *cs, long offset, int size);
66 * fetch Codestream 1-byte Byte code in file stream
68 * @param[in] cs codestream pointer
69 * @param[in] offset start Byte position in codestream
70 * @return fetched code
72 Byte_t fetch_codestream1byte( codestream_param_t *cs, long offset);
75 * fetch Codestream 2-byte big endian Byte codes in file stream
77 * @param[in] cs codestream pointer
78 * @param[in] offset start Byte position in codestream
79 * @return fetched code
81 Byte2_t fetch_codestream2bytebigendian( codestream_param_t *cs, long offset);
84 * fetch Codestream 4-byte big endian Byte codes in file stream
86 * @param[in] cs codestream pointer
87 * @param[in] offset start Byte position in codestream
88 * @return fetched code
90 Byte4_t fetch_codestream4bytebigendian( codestream_param_t *cs, long offset);
94 * print codestream parameters
96 * @param[in] cs codestream
98 void print_codestream( codestream_param_t cs);
101 #endif /* !CODESTREAM_MANAGER_H_ */