OpenJPEG 2.4.0
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
42typedef 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
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
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
116 OPJ_UINT32 num_comps,
117 const OPJ_UINT32* comps_indices,
118 opj_event_mgr_t * p_manager);
120
124 struct opj_compression {
125 OPJ_BOOL(* opj_start_compress)(void *p_codec,
126 struct opj_stream_private * cio,
127 struct opj_image * p_image,
128 struct opj_event_mgr * p_manager);
129
130 OPJ_BOOL(* opj_encode)(void * p_codec,
131 struct opj_stream_private *p_cio,
132 struct opj_event_mgr * p_manager);
133
134 OPJ_BOOL(* opj_write_tile)(void * p_codec,
135 OPJ_UINT32 p_tile_index,
136 OPJ_BYTE * p_data,
137 OPJ_UINT32 p_data_size,
138 struct opj_stream_private * p_cio,
139 struct opj_event_mgr * p_manager);
140
141 OPJ_BOOL(* opj_end_compress)(void * p_codec,
142 struct opj_stream_private * p_cio,
143 struct opj_event_mgr * p_manager);
144
145 void (* opj_destroy)(void * p_codec);
146
147 OPJ_BOOL(* opj_setup_encoder)(void * p_codec,
148 opj_cparameters_t * p_param,
149 struct opj_image * p_image,
150 struct opj_event_mgr * p_manager);
151
153 const char* const* p_options,
154 struct opj_event_mgr * p_manager);
155
159 void * m_codec;
164 void (*opj_dump_codec)(void * p_codec, OPJ_INT32 info_flag,
165 FILE* output_stream);
166 opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec);
167 opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec);
168
170 OPJ_BOOL(*opj_set_threads)(void * p_codec, OPJ_UINT32 num_threads);
171}
173
174
175#endif /* OPJ_CODEC_H */
176
OPJ_BOOL OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec, OPJ_UINT32 res_factor)
Set the resolution factor of the decoded image.
Definition openjpeg.c:596
OPJ_BOOL OPJ_CALLCONV opj_get_decoded_tile(opj_codec_t *p_codec, opj_stream_t *p_stream, opj_image_t *p_image, OPJ_UINT32 tile_index)
Get the decoded tile from the codec.
Definition openjpeg.c:572
OPJ_BOOL OPJ_CALLCONV opj_start_compress(opj_codec_t *p_codec, opj_image_t *p_image, opj_stream_t *p_stream)
Start to compress the current image.
Definition openjpeg.c:828
OPJ_BOOL OPJ_CALLCONV opj_end_decompress(opj_codec_t *p_codec, opj_stream_t *p_stream)
Read after the codestream if necessary.
Definition openjpeg.c:881
OPJ_BOOL OPJ_CALLCONV opj_set_decoded_components(opj_codec_t *p_codec, OPJ_UINT32 numcomps, const OPJ_UINT32 *comps_indices, OPJ_BOOL apply_color_transforms)
Restrict the number of components to decode.
Definition openjpeg.c:442
OPJ_BOOL OPJ_CALLCONV opj_setup_encoder(opj_codec_t *p_codec, opj_cparameters_t *parameters, opj_image_t *p_image)
Setup the encoder parameters using the current image and using user parameters.
Definition openjpeg.c:789
OPJ_BOOL OPJ_CALLCONV opj_encode(opj_codec_t *p_info, opj_stream_t *p_stream)
Encode an image into a JPEG-2000 codestream.
Definition openjpeg.c:847
OPJ_BOOL OPJ_CALLCONV opj_decode_tile_data(opj_codec_t *p_codec, OPJ_UINT32 p_tile_index, OPJ_BYTE *p_data, OPJ_UINT32 p_data_size, opj_stream_t *p_stream)
Reads a tile data.
Definition openjpeg.c:546
OPJ_BOOL OPJ_CALLCONV opj_read_tile_header(opj_codec_t *p_codec, opj_stream_t *p_stream, 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)
Reads a tile header.
Definition openjpeg.c:515
OPJ_BOOL OPJ_CALLCONV opj_end_compress(opj_codec_t *p_codec, opj_stream_t *p_stream)
End to compress the current image.
Definition openjpeg.c:864
OPJ_BOOL OPJ_CALLCONV opj_write_tile(opj_codec_t *p_codec, OPJ_UINT32 p_tile_index, OPJ_BYTE *p_data, OPJ_UINT32 p_data_size, opj_stream_t *p_stream)
Writes a tile with the given data.
Definition openjpeg.c:931
OPJ_BOOL OPJ_CALLCONV opj_encoder_set_extra_options(opj_codec_t *p_codec, const char *const *options)
Specify extra options for the encoder.
Definition openjpeg.c:809
OPJ_BOOL OPJ_CALLCONV opj_read_header(opj_stream_t *p_stream, opj_codec_t *p_codec, opj_image_t **p_image)
Decodes an image header.
Definition openjpeg.c:418
OPJ_BOOL OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec, opj_dparameters_t *parameters)
Setup the decoder with decompression parameters provided by the user and with the message handler pro...
Definition openjpeg.c:398
OPJ_BOOL OPJ_CALLCONV opj_set_decode_area(opj_codec_t *p_codec, opj_image_t *p_image, OPJ_INT32 p_start_x, OPJ_INT32 p_start_y, OPJ_INT32 p_end_x, OPJ_INT32 p_end_y)
Sets the given area to be decoded.
Definition openjpeg.c:492
OPJ_BOOL OPJ_CALLCONV opj_decode(opj_codec_t *p_codec, opj_stream_t *p_stream, opj_image_t *p_image)
Decode an image from a JPEG-2000 codestream.
Definition openjpeg.c:471
unsigned char OPJ_BYTE
Definition openjpeg.h:117
int32_t OPJ_INT32
Definition openjpeg.h:125
uint32_t OPJ_UINT32
Definition openjpeg.h:126
int OPJ_BOOL
Definition openjpeg.h:110
struct opj_codec_private opj_codec_private_t
Main codec handler used for compression or decompression.
Main codec handler used for compression or decompression.
Definition opj_codec.h:42
OPJ_BOOL(* opj_set_threads)(void *p_codec, OPJ_UINT32 num_threads)
Set number of threads.
Definition opj_codec.h:170
OPJ_BOOL is_decompressor
Flag to indicate if the codec is used to decode or encode.
Definition opj_codec.h:163
void * m_codec
FIXME DOC.
Definition opj_codec.h:159
opj_event_mgr_t m_event_mgr
Event handler.
Definition opj_codec.h:161
union opj_codec_private::@2 m_codec_data
FIXME DOC.
void(* opj_dump_codec)(void *p_codec, OPJ_INT32 info_flag, FILE *output_stream)
Definition opj_codec.h:164
struct opj_codec_private::@2::opj_decompression m_decompression
struct opj_codec_private::@2::opj_compression m_compression
Index structure of the codestream (FIXME should be expand and enhance)
Definition openjpeg.h:1031
Information structure about the codestream (FIXME should be expand and enhance)
Definition openjpeg.h:956
Compression parameters.
Definition openjpeg.h:387
Decompression parameters.
Definition openjpeg.h:546
Message handler object used for.
Definition event.h:50
Defines image data and characteristics.
Definition openjpeg.h:703
Byte input-output stream.
Definition cio.h:81