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Diffstat (limited to 'libraries/openjpeg-libsl/libopenjpeg/raw.h')
-rw-r--r-- | libraries/openjpeg-libsl/libopenjpeg/raw.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/libraries/openjpeg-libsl/libopenjpeg/raw.h b/libraries/openjpeg-libsl/libopenjpeg/raw.h new file mode 100644 index 0000000..c4ff9b3 --- /dev/null +++ b/libraries/openjpeg-libsl/libopenjpeg/raw.h | |||
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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 | ||
32 | /** | ||
33 | @file raw.h | ||
34 | @brief Implementation of operations for raw encoding (RAW) | ||
35 | |||
36 | The functions in RAW.C have for goal to realize the operation of raw encoding linked | ||
37 | with the corresponding mode switch. | ||
38 | */ | ||
39 | |||
40 | /** @defgroup RAW RAW - Implementation of operations for raw encoding */ | ||
41 | /*@{*/ | ||
42 | |||
43 | /** | ||
44 | RAW encoding operations | ||
45 | */ | ||
46 | typedef struct opj_raw { | ||
47 | /** temporary buffer where bits are coded or decoded */ | ||
48 | unsigned char c; | ||
49 | /** number of bits already read or free to write */ | ||
50 | unsigned int ct; | ||
51 | /** maximum length to decode */ | ||
52 | unsigned int lenmax; | ||
53 | /** length decoded */ | ||
54 | unsigned int len; | ||
55 | /** pointer to the current position in the buffer */ | ||
56 | unsigned char *bp; | ||
57 | /** pointer to the start of the buffer */ | ||
58 | unsigned char *start; | ||
59 | /** pointer to the end of the buffer */ | ||
60 | unsigned char *end; | ||
61 | } opj_raw_t; | ||
62 | |||
63 | /** @name Exported functions */ | ||
64 | /*@{*/ | ||
65 | /* ----------------------------------------------------------------------- */ | ||
66 | /** | ||
67 | Create a new RAW handle | ||
68 | @return Returns a new RAW handle if successful, returns NULL otherwise | ||
69 | */ | ||
70 | opj_raw_t* raw_create(); | ||
71 | /** | ||
72 | Destroy a previously created RAW handle | ||
73 | @param raw RAW handle to destroy | ||
74 | */ | ||
75 | void raw_destroy(opj_raw_t *raw); | ||
76 | /** | ||
77 | Return the number of bytes written/read since initialisation | ||
78 | @param raw RAW handle to destroy | ||
79 | @return Returns the number of bytes already encoded | ||
80 | */ | ||
81 | int raw_numbytes(opj_raw_t *raw); | ||
82 | /** | ||
83 | Initialize the decoder | ||
84 | @param raw RAW handle | ||
85 | @param bp Pointer to the start of the buffer from which the bytes will be read | ||
86 | @param len Length of the input buffer | ||
87 | */ | ||
88 | void raw_init_dec(opj_raw_t *raw, unsigned char *bp, int len); | ||
89 | /** | ||
90 | Decode a symbol using raw-decoder. Cfr p.506 TAUBMAN | ||
91 | @param raw RAW handle | ||
92 | @return Returns the decoded symbol (0 or 1) | ||
93 | */ | ||
94 | int raw_decode(opj_raw_t *raw); | ||
95 | /* ----------------------------------------------------------------------- */ | ||
96 | /*@}*/ | ||
97 | |||
98 | /*@}*/ | ||
99 | |||
100 | #endif /* __RAW_H */ | ||