OpenJPEG: raw.h Source File

OpenJPEG 2.1.2

raw.h
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1 /*
2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
6 *
7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8 * Copyright (c) 2002-2014, Professor Benoit Macq
9 * Copyright (c) 2003-2007, Francois-Olivier Devaux
10 * Copyright (c) 2003-2014, Antonin Descampe
11 * Copyright (c) 2005, Herve Drolon, FreeImage Team
12 * All rights reserved.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 #ifndef __RAW_H
37 #define __RAW_H
38
48
52 typedef struct opj_raw {
54 OPJ_BYTE c;
56 OPJ_UINT32 ct;
58 OPJ_UINT32 lenmax;
60 OPJ_UINT32 len;
62 OPJ_BYTE *bp;
64 OPJ_BYTE *start;
66 OPJ_BYTE *end;
67 } opj_raw_t;
68
71 /* ----------------------------------------------------------------------- */
76 opj_raw_t* opj_raw_create(void);
81 void opj_raw_destroy(opj_raw_t *raw);
87 OPJ_UINT32 opj_raw_numbytes(opj_raw_t *raw);
94 void opj_raw_init_dec(opj_raw_t *raw, OPJ_BYTE *bp, OPJ_UINT32 len);
100 OPJ_UINT32 opj_raw_decode(opj_raw_t *raw);
101 /* ----------------------------------------------------------------------- */
105
106 #endif /* __RAW_H */
opj_raw::bp
OPJ_BYTE * bp
pointer to the current position in the buffer
Definition: raw.h:62
opj_raw_create
opj_raw_t * opj_raw_create(void)
Create a new RAW handle.
Definition: raw.c:51
opj_raw::end
OPJ_BYTE * end
pointer to the end of the buffer
Definition: raw.h:66
opj_raw::c
OPJ_BYTE c
temporary buffer where bits are coded or decoded
Definition: raw.h:54
OPJ_BYTE
unsigned char OPJ_BYTE
Definition: openjpeg.h:117
opj_raw
RAW encoding operations.
Definition: raw.h:52
opj_raw_destroy
void opj_raw_destroy(opj_raw_t *raw)
Destroy a previously created RAW handle.
Definition: raw.c:56
opj_raw::len
OPJ_UINT32 len
length decoded
Definition: raw.h:60
opj_raw_decode
OPJ_UINT32 opj_raw_decode(opj_raw_t *raw)
Decode a symbol using raw-decoder.
Definition: raw.c:76
opj_raw::start
OPJ_BYTE * start
pointer to the start of the buffer
Definition: raw.h:64
opj_raw_t
struct opj_raw opj_raw_t
RAW encoding operations.
opj_raw::ct
OPJ_UINT32 ct
number of bits already read or free to write
Definition: raw.h:56
opj_raw::lenmax
OPJ_UINT32 lenmax
maximum length to decode
Definition: raw.h:58
OPJ_UINT32
uint32_t OPJ_UINT32
Definition: openjpeg.h:126
opj_raw_init_dec
void opj_raw_init_dec(opj_raw_t *raw, OPJ_BYTE *bp, OPJ_UINT32 len)
Initialize the decoder.
Definition: raw.c:68
opj_raw_numbytes
OPJ_UINT32 opj_raw_numbytes(opj_raw_t *raw)
Return the number of bytes written/read since initialisation.
Definition: raw.c:62