OpenJPEG  2.2.0
opj_codec.h
Go to the documentation of this file.
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  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
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.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in the
18  * documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 #ifndef OPJ_CODEC_H
33 #define OPJ_CODEC_H
34 
42 typedef struct opj_codec_private {
44  union {
48  struct opj_decompression {
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  OPJ_BOOL(*opj_set_decode_area)(void * p_codec,
95  opj_image_t * p_image,
96  OPJ_INT32 p_start_x,
97  OPJ_INT32 p_end_x,
98  OPJ_INT32 p_start_y,
99  OPJ_INT32 p_end_y,
100  struct opj_event_mgr * p_manager);
101 
104  opj_stream_private_t * p_cio,
105  opj_image_t *p_image,
106  struct opj_event_mgr * p_manager,
107  OPJ_UINT32 tile_index);
108 
111  OPJ_UINT32 res_factor,
112  opj_event_mgr_t * p_manager);
113 
114  } m_decompression;
115 
119  struct opj_compression {
120  OPJ_BOOL(* opj_start_compress)(void *p_codec,
121  struct opj_stream_private * cio,
122  struct opj_image * p_image,
123  struct opj_event_mgr * p_manager);
124 
125  OPJ_BOOL(* opj_encode)(void * p_codec,
126  struct opj_stream_private *p_cio,
127  struct opj_event_mgr * p_manager);
128 
129  OPJ_BOOL(* opj_write_tile)(void * p_codec,
130  OPJ_UINT32 p_tile_index,
131  OPJ_BYTE * p_data,
132  OPJ_UINT32 p_data_size,
133  struct opj_stream_private * p_cio,
134  struct opj_event_mgr * p_manager);
135 
136  OPJ_BOOL(* opj_end_compress)(void * p_codec,
137  struct opj_stream_private * p_cio,
138  struct opj_event_mgr * p_manager);
139 
140  void (* opj_destroy)(void * p_codec);
141 
142  OPJ_BOOL(* opj_setup_encoder)(void * p_codec,
143  opj_cparameters_t * p_param,
144  struct opj_image * p_image,
145  struct opj_event_mgr * p_manager);
146  } m_compression;
147  } m_codec_data;
149  void * m_codec;
154  void (*opj_dump_codec)(void * p_codec, OPJ_INT32 info_flag,
155  FILE* output_stream);
156  opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec);
157  opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec);
158 
160  OPJ_BOOL(*opj_set_threads)(void * p_codec, OPJ_UINT32 num_threads);
161 }
163 
164 
165 #endif /* OPJ_CODEC_H */
166 
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
void(* opj_dump_codec)(void *p_codec, OPJ_INT32 info_flag, FILE *output_stream)
Definition: opj_codec.h:154
OPJ_BOOL(* opj_end_compress)(void *p_codec, struct opj_stream_private *p_cio, struct opj_event_mgr *p_manager)
Definition: opj_codec.h:136
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:142
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
void * m_codec
FIXME DOC.
Definition: opj_codec.h:149
void(* opj_destroy)(void *p_codec)
Codec destroy function handler.
Definition: opj_codec.h:88
Message handler object used for.
Definition: event.h:50
OPJ_BOOL(* opj_encode)(void *p_codec, struct opj_stream_private *p_cio, struct opj_event_mgr *p_manager)
Definition: opj_codec.h:125
OPJ_BOOL is_decompressor
Flag to indicate if the codec is used to decode or encode.
Definition: opj_codec.h:153
int OPJ_BOOL
Definition: openjpeg.h:110
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:103
Byte input-output stream.
Definition: cio.h:81
unsigned char OPJ_BYTE
Definition: openjpeg.h:117
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
void(* opj_setup_decoder)(void *p_codec, opj_dparameters_t *p_param)
Setup decoder function handler.
Definition: opj_codec.h:91
int32_t OPJ_INT32
Definition: openjpeg.h:125
Information structure about the codestream (FIXME should be expand and enhance)
Definition: openjpeg.h:919
struct opj_codec_private::@2::opj_compression m_compression
Defines image data and characteristics.
Definition: openjpeg.h:666
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
Decompression parameters.
Definition: openjpeg.h:509
struct opj_codec_private opj_codec_private_t
Main codec handler used for compression or decompression.
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:94
struct opj_codec_private::@2::opj_decompression m_decompression
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:120
union opj_codec_private::@2 m_codec_data
FIXME DOC.
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_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:129
OPJ_BOOL(* opj_set_threads)(void *p_codec, OPJ_UINT32 num_threads)
Set number of threads.
Definition: opj_codec.h:160
Index structure of the codestream (FIXME should be expand and enhance)
Definition: openjpeg.h:994
uint32_t OPJ_UINT32
Definition: openjpeg.h:126
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:110
opj_event_mgr_t m_event_mgr
Event handler.
Definition: opj_codec.h:151
Compression parameters.
Definition: openjpeg.h:353
Main codec handler used for compression or decompression.
Definition: opj_codec.h:42