OpenJPEG: codestream_manager.h Source File

OpenJPEG 2.5.3

codestream_manager.h
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1/*
2 * $Id$
3 *
4 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
5 * Copyright (c) 2002-2014, Professor Benoit Macq
6 * Copyright (c) 2010-2011, Kaori Hagihara
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
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.
17 *
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.
29 */
30
31#ifndef CODESTREAM_MANAGER_H_
32# define CODESTREAM_MANAGER_H_
33
34#include "byte_manager.h"
35
37 typedef struct codestream_param {
38 int fd;
39 OPJ_OFF_T offset;
40 Byte8_t length;
41} codestream_param_t;
42
43
52 codestream_param_t set_codestream(int fd, OPJ_OFF_T offset, OPJ_SIZE_T length);
53
54
63 Byte_t * fetch_codestreambytes(codestream_param_t *cs, OPJ_OFF_T offset,
64 OPJ_SIZE_T size);
65
73 Byte_t fetch_codestream1byte(codestream_param_t *cs, OPJ_OFF_T offset);
74
82 Byte2_t fetch_codestream2bytebigendian(codestream_param_t *cs,
83 OPJ_OFF_T offset);
84
92 Byte4_t fetch_codestream4bytebigendian(codestream_param_t *cs,
93 OPJ_OFF_T offset);
94
95
101void print_codestream(codestream_param_t cs);
102
103
104#endif /* !CODESTREAM_MANAGER_H_ */
byte_manager.h
Byte2_t
uint16_t Byte2_t
Definition byte_manager.h:38
Byte8_t
uint64_t Byte8_t
Definition byte_manager.h:40
Byte4_t
uint32_t Byte4_t
Definition byte_manager.h:39
Byte_t
uint8_t Byte_t
Definition byte_manager.h:37
fetch_codestreambytes
Byte_t * fetch_codestreambytes(codestream_param_t *cs, OPJ_OFF_T offset, OPJ_SIZE_T size)
fetch Codestream bytes of data in file stream
Definition codestream_manager.c:55
codestream_param_t
struct codestream_param codestream_param_t
codestream parameters
print_codestream
void print_codestream(codestream_param_t cs)
print codestream parameters
Definition codestream_manager.c:76
fetch_codestream2bytebigendian
Byte2_t fetch_codestream2bytebigendian(codestream_param_t *cs, OPJ_OFF_T offset)
fetch Codestream 2-byte big endian Byte codes in file stream
Definition codestream_manager.c:66
set_codestream
codestream_param_t set_codestream(int fd, OPJ_OFF_T offset, OPJ_SIZE_T length)
set codestream parameters from inputs
Definition codestream_manager.c:44
fetch_codestream4bytebigendian
Byte4_t fetch_codestream4bytebigendian(codestream_param_t *cs, OPJ_OFF_T offset)
fetch Codestream 4-byte big endian Byte codes in file stream
Definition codestream_manager.c:71
fetch_codestream1byte
Byte_t fetch_codestream1byte(codestream_param_t *cs, OPJ_OFF_T offset)
fetch Codestream 1-byte Byte code in file stream
Definition codestream_manager.c:61
OPJ_OFF_T
int64_t OPJ_OFF_T
Definition openjpeg.h:136
OPJ_SIZE_T
size_t OPJ_SIZE_T
Definition openjpeg.h:139
codestream_param
codestream parameters
Definition codestream_manager.h:37
codestream_param::fd
int fd
file descriptor
Definition codestream_manager.h:38
codestream_param::offset
OPJ_OFF_T offset
byte position of DBox (Box Contents) in the file
Definition codestream_manager.h:39
codestream_param::length
Byte8_t length
content length
Definition codestream_manager.h:40