1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/*
* The copyright in this software is being made available under the 2-clauses
* BSD License, included below. This software may be subject to other third
* party and contributor rights, including patent rights, and no such rights
* are granted under this license.
*
* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2014, Professor Benoit Macq
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __OPJ_CODEC_H
#define __OPJ_CODEC_H
/**
@file opj_codec.h
*/
/**
* Main codec handler used for compression or decompression.
*/
typedef struct opj_codec_private
{
/** FIXME DOC */
union
{
/**
* Decompression handler.
*/
struct opj_decompression
{
/** Main header reading function handler */
OPJ_BOOL (*opj_read_header) ( struct opj_stream_private * cio,
void * p_codec,
opj_image_t **p_image,
struct opj_event_mgr * p_manager);
/** Decoding function */
OPJ_BOOL (*opj_decode) ( void * p_codec,
struct opj_stream_private * p_cio,
opj_image_t * p_image,
struct opj_event_mgr * p_manager);
/** FIXME DOC */
OPJ_BOOL (*opj_read_tile_header)( void * p_codec,
OPJ_UINT32 * p_tile_index,
OPJ_UINT32 * p_data_size,
OPJ_INT32 * p_tile_x0,
OPJ_INT32 * p_tile_y0,
OPJ_INT32 * p_tile_x1,
OPJ_INT32 * p_tile_y1,
OPJ_UINT32 * p_nb_comps,
OPJ_BOOL * p_should_go_on,
struct opj_stream_private * p_cio,
struct opj_event_mgr * p_manager);
/** FIXME DOC */
OPJ_BOOL (*opj_decode_tile_data)( void * p_codec,
OPJ_UINT32 p_tile_index,
OPJ_BYTE * p_data,
OPJ_UINT32 p_data_size,
struct opj_stream_private * p_cio,
struct opj_event_mgr * p_manager);
/** Reading function used after codestream if necessary */
OPJ_BOOL (* opj_end_decompress) ( void *p_codec,
struct opj_stream_private * cio,
struct opj_event_mgr * p_manager);
/** Codec destroy function handler */
void (*opj_destroy) (void * p_codec);
/** Setup decoder function handler */
void (*opj_setup_decoder) ( void * p_codec, opj_dparameters_t * p_param);
/** Set decode area function handler */
OPJ_BOOL (*opj_set_decode_area) ( void * p_codec,
opj_image_t * p_image,
OPJ_INT32 p_start_x,
OPJ_INT32 p_end_x,
OPJ_INT32 p_start_y,
OPJ_INT32 p_end_y,
struct opj_event_mgr * p_manager);
/** Get tile function */
OPJ_BOOL (*opj_get_decoded_tile) ( void *p_codec,
opj_stream_private_t * p_cio,
opj_image_t *p_image,
struct opj_event_mgr * p_manager,
OPJ_UINT32 tile_index);
/** Set the decoded resolution factor */
OPJ_BOOL (*opj_set_decoded_resolution_factor) ( void * p_codec,
OPJ_UINT32 res_factor,
opj_event_mgr_t * p_manager);
} m_decompression;
/**
* Compression handler. FIXME DOC
*/
struct opj_compression
{
OPJ_BOOL (* opj_start_compress) ( void *p_codec,
struct opj_stream_private * cio,
struct opj_image * p_image,
struct opj_event_mgr * p_manager);
OPJ_BOOL (* opj_encode) ( void * p_codec,
struct opj_stream_private *p_cio,
struct opj_event_mgr * p_manager);
OPJ_BOOL (* opj_write_tile) ( void * p_codec,
OPJ_UINT32 p_tile_index,
OPJ_BYTE * p_data,
OPJ_UINT32 p_data_size,
struct opj_stream_private * p_cio,
struct opj_event_mgr * p_manager);
OPJ_BOOL (* opj_end_compress) ( void * p_codec,
struct opj_stream_private * p_cio,
struct opj_event_mgr * p_manager);
void (* opj_destroy) (void * p_codec);
void (* opj_setup_encoder) ( void * p_codec,
opj_cparameters_t * p_param,
struct opj_image * p_image,
struct opj_event_mgr * p_manager);
} m_compression;
} m_codec_data;
/** FIXME DOC*/
void * m_codec;
/** Event handler */
opj_event_mgr_t m_event_mgr;
/** Flag to indicate if the codec is used to decode or encode*/
OPJ_BOOL is_decompressor;
void (*opj_dump_codec) (void * p_codec, OPJ_INT32 info_flag, FILE* output_stream);
opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec);
opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec);
}
opj_codec_private_t;
#endif /* __OPJ_CODEC_H */
|
