OpenJPEG  1.5.1
bio.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) 2001-2003, David Janssens
5  * Copyright (c) 2002-2003, Yannick Verschueren
6  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
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 #ifndef __BIO_H
33 #define __BIO_H
34 
43 
47 typedef struct opj_bio {
49  unsigned char *start;
51  unsigned char *end;
53  unsigned char *bp;
55  unsigned int buf;
57  int ct;
58 } opj_bio_t;
59 
62 /* ----------------------------------------------------------------------- */
67 opj_bio_t* bio_create(void);
72 void bio_destroy(opj_bio_t *bio);
78 int bio_numbytes(opj_bio_t *bio);
85 void bio_init_enc(opj_bio_t *bio, unsigned char *bp, int len);
92 void bio_init_dec(opj_bio_t *bio, unsigned char *bp, int len);
99 void bio_write(opj_bio_t *bio, int v, int n);
106 int bio_read(opj_bio_t *bio, int n);
112 int bio_flush(opj_bio_t *bio);
118 int bio_inalign(opj_bio_t *bio);
119 /* ----------------------------------------------------------------------- */
123 
124 #endif /* __BIO_H */
125