OpenJPEG 1.5.2
raw.h
Go to the documentation of this file.
1/*
2 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
3 * Copyright (c) 2002-2007, Professor Benoit Macq
4 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
5 * Copyright (c) 2005, Herve Drolon, FreeImage Team
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef __RAW_H
31#define __RAW_H
42
46typedef struct opj_raw {
48 unsigned char c;
50 unsigned int ct;
52 unsigned int lenmax;
54 unsigned int len;
56 unsigned char *bp;
58 unsigned char *start;
60 unsigned char *end;
62
65/* ----------------------------------------------------------------------- */
75void raw_destroy(opj_raw_t *raw);
81int raw_numbytes(opj_raw_t *raw);
88void raw_init_dec(opj_raw_t *raw, unsigned char *bp, int len);
94int raw_decode(opj_raw_t *raw);
95/* ----------------------------------------------------------------------- */
99
100#endif /* __RAW_H */
struct opj_raw opj_raw_t
RAW encoding operations.
void raw_init_dec(opj_raw_t *raw, unsigned char *bp, int len)
Initialize the decoder.
Definition raw.c:60
void raw_destroy(opj_raw_t *raw)
Destroy a previously created RAW handle.
Definition raw.c:50
int raw_decode(opj_raw_t *raw)
Decode a symbol using raw-decoder.
Definition raw.c:68
int raw_numbytes(opj_raw_t *raw)
Return the number of bytes written/read since initialisation.
Definition raw.c:56
opj_raw_t * raw_create(void)
Create a new RAW handle.
Definition raw.c:45
RAW encoding operations.
Definition raw.h:46
unsigned char * start
pointer to the start of the buffer
Definition raw.h:58
unsigned int ct
number of bits already read or free to write
Definition raw.h:50
unsigned int len
length decoded
Definition raw.h:54
unsigned char c
temporary buffer where bits are coded or decoded
Definition raw.h:48
unsigned int lenmax
maximum length to decode
Definition raw.h:52
unsigned char * bp
pointer to the current position in the buffer
Definition raw.h:56
unsigned char * end
pointer to the end of the buffer
Definition raw.h:60