OpenJPEG 2.5.4

opj_codec.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
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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 * All rights reserved.
10 *
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12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
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31 */
32#ifndef OPJ_CODEC_H
33#define OPJ_CODEC_H
37
38
42 typedef struct opj_codec_private {
44 union {
48 struct opj_decompression {
50 OPJ_BOOL(*opj_read_header)(struct opj_stream_private * cio,
51 void * p_codec,
52 opj_image_t **p_image,
53 struct opj_event_mgr * p_manager);
54
56 OPJ_BOOL(*opj_decode)(void * p_codec,
57 struct opj_stream_private * p_cio,
58 opj_image_t * p_image,
59 struct opj_event_mgr * p_manager);
60
62 OPJ_BOOL(*opj_read_tile_header)(void * p_codec,
63 OPJ_UINT32 * p_tile_index,
64 OPJ_UINT32 * p_data_size,
65 OPJ_INT32 * p_tile_x0,
66 OPJ_INT32 * p_tile_y0,
67 OPJ_INT32 * p_tile_x1,
68 OPJ_INT32 * p_tile_y1,
69 OPJ_UINT32 * p_nb_comps,
70 OPJ_BOOL * p_should_go_on,
71 struct opj_stream_private * p_cio,
72 struct opj_event_mgr * p_manager);
73
75 OPJ_BOOL(*opj_decode_tile_data)(void * p_codec,
76 OPJ_UINT32 p_tile_index,
77 OPJ_BYTE * p_data,
78 OPJ_UINT32 p_data_size,
79 struct opj_stream_private * p_cio,
80 struct opj_event_mgr * p_manager);
81
83 OPJ_BOOL(* opj_end_decompress)(void *p_codec,
84 struct opj_stream_private * cio,
85 struct opj_event_mgr * p_manager);
86
88 void (*opj_destroy)(void * p_codec);
89
91 void (*opj_setup_decoder)(void * p_codec, opj_dparameters_t * p_param);
92
94 void (*opj_decoder_set_strict_mode)(void * p_codec, OPJ_BOOL strict);
95
97 OPJ_BOOL(*opj_set_decode_area)(void * p_codec,
98 opj_image_t * p_image,
99 OPJ_INT32 p_start_x,
100 OPJ_INT32 p_end_x,
101 OPJ_INT32 p_start_y,
102 OPJ_INT32 p_end_y,
103 struct opj_event_mgr * p_manager);
104
106 OPJ_BOOL(*opj_get_decoded_tile)(void *p_codec,
107 opj_stream_private_t * p_cio,
108 opj_image_t *p_image,
109 struct opj_event_mgr * p_manager,
110 OPJ_UINT32 tile_index);
111
113 OPJ_BOOL(*opj_set_decoded_resolution_factor)(void * p_codec,
114 OPJ_UINT32 res_factor,
115 opj_event_mgr_t * p_manager);
116
118 OPJ_BOOL(*opj_set_decoded_components)(void * p_codec,
119 OPJ_UINT32 num_comps,
120 const OPJ_UINT32* comps_indices,
121 opj_event_mgr_t * p_manager);
122 } m_decompression;
123
127 struct opj_compression {
128 OPJ_BOOL(* opj_start_compress)(void *p_codec,
129 struct opj_stream_private * cio,
130 struct opj_image * p_image,
131 struct opj_event_mgr * p_manager);
132
133 OPJ_BOOL(* opj_encode)(void * p_codec,
134 struct opj_stream_private *p_cio,
135 struct opj_event_mgr * p_manager);
136
137 OPJ_BOOL(* opj_write_tile)(void * p_codec,
138 OPJ_UINT32 p_tile_index,
139 OPJ_BYTE * p_data,
140 OPJ_UINT32 p_data_size,
141 struct opj_stream_private * p_cio,
142 struct opj_event_mgr * p_manager);
143
144 OPJ_BOOL(* opj_end_compress)(void * p_codec,
145 struct opj_stream_private * p_cio,
146 struct opj_event_mgr * p_manager);
147
148 void (* opj_destroy)(void * p_codec);
149
150 OPJ_BOOL(* opj_setup_encoder)(void * p_codec,
151 opj_cparameters_t * p_param,
152 struct opj_image * p_image,
153 struct opj_event_mgr * p_manager);
154
155 OPJ_BOOL(* opj_encoder_set_extra_options)(void * p_codec,
156 const char* const* p_options,
157 struct opj_event_mgr * p_manager);
158
159 } m_compression;
160 } m_codec_data;
162 void * m_codec;
164 opj_event_mgr_t m_event_mgr;
166 OPJ_BOOL is_decompressor;
167 void (*opj_dump_codec)(void * p_codec, OPJ_INT32 info_flag,
168 FILE* output_stream);
169 opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec);
170 opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec);
171
173 OPJ_BOOL(*opj_set_threads)(void * p_codec, OPJ_UINT32 num_threads);
174}
175 opj_codec_private_t;
176
177
178#endif /* OPJ_CODEC_H */
179
opj_stream_private_t
struct opj_stream_private opj_stream_private_t
Byte input-output stream.
opj_event_mgr_t
struct opj_event_mgr opj_event_mgr_t
Message handler object used for.
opj_dparameters_t
struct opj_dparameters opj_dparameters_t
Decompression parameters.
OPJ_BYTE
unsigned char OPJ_BYTE
Definition openjpeg.h:123
OPJ_INT32
int32_t OPJ_INT32
Definition openjpeg.h:131
OPJ_UINT32
uint32_t OPJ_UINT32
Definition openjpeg.h:132
opj_cparameters_t
struct opj_cparameters opj_cparameters_t
Compression parameters.
opj_codestream_info_v2_t
struct opj_codestream_info_v2 opj_codestream_info_v2_t
Information structure about the codestream (FIXME should be expand and enhance).
opj_image_t
struct opj_image opj_image_t
Defines image data and characteristics.
OPJ_BOOL
int OPJ_BOOL
Definition openjpeg.h:116
opj_codestream_index_t
struct opj_codestream_index opj_codestream_index_t
Index structure of the codestream (FIXME should be expand and enhance).
opj_codec_private_t
struct opj_codec_private opj_codec_private_t
Main codec handler used for compression or decompression.
opj_codec_private
Main codec handler used for compression or decompression.
Definition opj_codec.h:42
opj_codec_private::opj_setup_decoder
void(* opj_setup_decoder)(void *p_codec, opj_dparameters_t *p_param)
Setup decoder function handler.
Definition opj_codec.h:91
opj_codec_private::opj_set_threads
OPJ_BOOL(* opj_set_threads)(void *p_codec, OPJ_UINT32 num_threads)
Set number of threads.
Definition opj_codec.h:173
opj_codec_private::is_decompressor
OPJ_BOOL is_decompressor
Flag to indicate if the codec is used to decode or encode.
Definition opj_codec.h:166
opj_codec_private::opj_start_compress
OPJ_BOOL(* opj_start_compress)(void *p_codec, struct opj_stream_private *cio, struct opj_image *p_image, struct opj_event_mgr *p_manager)
Definition opj_codec.h:128
opj_codec_private::m_compression
struct opj_codec_private::@261312006040175066325025052205143305270245153054::opj_compression m_compression
opj_codec_private::opj_destroy
void(* opj_destroy)(void *p_codec)
Codec destroy function handler.
Definition opj_codec.h:88
opj_codec_private::opj_get_decoded_tile
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)
Get tile function.
Definition opj_codec.h:106
opj_codec_private::opj_set_decoded_resolution_factor
OPJ_BOOL(* opj_set_decoded_resolution_factor)(void *p_codec, OPJ_UINT32 res_factor, opj_event_mgr_t *p_manager)
Set the decoded resolution factor.
Definition opj_codec.h:113
opj_codec_private::m_codec
void * m_codec
FIXME DOC.
Definition opj_codec.h:162
opj_codec_private::opj_decode
OPJ_BOOL(* opj_decode)(void *p_codec, struct opj_stream_private *p_cio, opj_image_t *p_image, struct opj_event_mgr *p_manager)
Decoding function.
Definition opj_codec.h:56
opj_codec_private::opj_encoder_set_extra_options
OPJ_BOOL(* opj_encoder_set_extra_options)(void *p_codec, const char *const *p_options, struct opj_event_mgr *p_manager)
Definition opj_codec.h:155
opj_codec_private::opj_read_header
OPJ_BOOL(* opj_read_header)(struct opj_stream_private *cio, void *p_codec, opj_image_t **p_image, struct opj_event_mgr *p_manager)
Main header reading function handler.
Definition opj_codec.h:50
opj_codec_private::opj_encode
OPJ_BOOL(* opj_encode)(void *p_codec, struct opj_stream_private *p_cio, struct opj_event_mgr *p_manager)
Definition opj_codec.h:133
opj_codec_private::opj_end_decompress
OPJ_BOOL(* opj_end_decompress)(void *p_codec, struct opj_stream_private *cio, struct opj_event_mgr *p_manager)
Reading function used after codestream if necessary.
Definition opj_codec.h:83
opj_codec_private::opj_end_compress
OPJ_BOOL(* opj_end_compress)(void *p_codec, struct opj_stream_private *p_cio, struct opj_event_mgr *p_manager)
Definition opj_codec.h:144
opj_codec_private::m_event_mgr
opj_event_mgr_t m_event_mgr
Event handler.
Definition opj_codec.h:164
opj_codec_private::opj_write_tile
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)
Definition opj_codec.h:137
opj_codec_private::m_decompression
struct opj_codec_private::@261312006040175066325025052205143305270245153054::opj_decompression m_decompression
opj_codec_private::opj_dump_codec
void(* opj_dump_codec)(void *p_codec, OPJ_INT32 info_flag, FILE *output_stream)
Definition opj_codec.h:167
opj_codec_private::opj_decode_tile_data
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)
FIXME DOC.
Definition opj_codec.h:75
opj_codec_private::opj_decoder_set_strict_mode
void(* opj_decoder_set_strict_mode)(void *p_codec, OPJ_BOOL strict)
Strict mode function handler.
Definition opj_codec.h:94
opj_codec_private::opj_set_decoded_components
OPJ_BOOL(* opj_set_decoded_components)(void *p_codec, OPJ_UINT32 num_comps, const OPJ_UINT32 *comps_indices, opj_event_mgr_t *p_manager)
Set the decoded components.
Definition opj_codec.h:118
opj_codec_private::m_codec_data
union opj_codec_private::@261312006040175066325025052205143305270245153054 m_codec_data
FIXME DOC.
opj_codec_private::opj_read_tile_header
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.
Definition opj_codec.h:62
opj_codec_private::opj_set_decode_area
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)
Set decode area function handler.
Definition opj_codec.h:97
opj_codec_private::opj_setup_encoder
OPJ_BOOL(* opj_setup_encoder)(void *p_codec, opj_cparameters_t *p_param, struct opj_image *p_image, struct opj_event_mgr *p_manager)
Definition opj_codec.h:150
opj_event_mgr
Message handler object used for.
Definition event.h:50
opj_image
Defines image data and characteristics.
Definition openjpeg.h:713
opj_stream_private
Byte input-output stream.
Definition cio.h:81