OpenJPEG 2.5.3
tcd.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
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 * Copyright (c) 2001-2003, David Janssens
10 * Copyright (c) 2002-2003, Yannick Verschueren
11 * Copyright (c) 2003-2007, Francois-Olivier Devaux
12 * Copyright (c) 2003-2014, Antonin Descampe
13 * Copyright (c) 2005, Herve Drolon, FreeImage Team
14 * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
15 * Copyright (c) 2012, CS Systemes d'Information, France
16 * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
17 * All rights reserved.
18 *
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions
21 * are met:
22 * 1. Redistributions of source code must retain the above copyright
23 * notice, this list of conditions and the following disclaimer.
24 * 2. Redistributions in binary form must reproduce the above copyright
25 * notice, this list of conditions and the following disclaimer in the
26 * documentation and/or other materials provided with the distribution.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
32 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40#ifndef OPJ_TCD_H
41#define OPJ_TCD_H
52
53
63
67typedef struct opj_tcd_layer {
68 OPJ_UINT32 numpasses; /* Number of passes in the layer */
69 OPJ_UINT32 len; /* len of information */
70 OPJ_FLOAT64 disto; /* add for index (Cfr. Marcela) */
71 OPJ_BYTE *data; /* data */
73
77typedef struct opj_tcd_cblk_enc {
78 OPJ_BYTE* data; /* Data */
79 opj_tcd_layer_t* layers; /* layer information */
80 opj_tcd_pass_t* passes; /* information about the passes */
82 y1; /* dimension of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
85 OPJ_UINT32 data_size; /* Size of allocated data buffer */
87 numpasses; /* number of pass already done for the code-blocks */
88 OPJ_UINT32 numpassesinlayers; /* number of passes in the layer */
89 OPJ_UINT32 totalpasses; /* total number of passes */
91
92
94typedef struct opj_tcd_seg_data_chunk {
95 /* Point to tilepart buffer. We don't make a copy !
96 So the tilepart buffer must be kept alive
97 as long as we need to decode the codeblocks */
99 OPJ_UINT32 len; /* Usable length of data */
101
105typedef struct opj_tcd_seg {
106 OPJ_UINT32 len; /* Size of data related to this segment */
107 /* Number of passes decoded. Including those that we skip */
109 /* Number of passes actually to be decoded. To be used for code-block decoding */
111 /* Maximum number of passes for this segment */
113 /* Number of new passes for current packed. Transitory value */
115 /* Codestream length for this segment for current packed. Transitory value */
118
120typedef struct opj_tcd_cblk_dec {
121 opj_tcd_seg_t* segs; /* segments information */
122 opj_tcd_seg_data_chunk_t* chunks; /* Array of chunks */
123 /* position of the code-blocks : left upper corner (x0, y0) right low corner (x1,y1) */
125 /* Mb is The maximum number of bit-planes available for the representation of
126 coefficients in any sub-band, b, as defined in Equation (E-2). See
127 Section B.10.5 of the standard */
128 OPJ_UINT32 Mb; /* currently used only to check if HT decoding is correct */
129 /* numbps is Mb - P as defined in Section B.10.5 of the standard */
131 /* number of bits for len, for the current packet. Transitory value */
133 /* number of pass added to the code-blocks, for the current packet. Transitory value */
135 /* number of segments, including those of packet we skip */
137 /* number of segments, to be used for code block decoding */
139 OPJ_UINT32 m_current_max_segs; /* allocated number of segs[] items */
140 OPJ_UINT32 numchunks; /* Number of valid chunks items */
141 OPJ_UINT32 numchunksalloc; /* Number of chunks item allocated */
142 /* Decoded code-block. Only used for subtile decoding. Otherwise tilec->data is directly updated */
144 OPJ_BOOL corrupted; /* whether the code block data is corrupted */
146
148typedef struct opj_tcd_precinct {
149 /* dimension of the precinct : left upper corner (x0, y0) right low corner (x1,y1) */
151 OPJ_UINT32 cw, ch; /* number of code-blocks, in width and height */
152 union { /* code-blocks information */
155 void* blocks;
157 OPJ_UINT32 block_size; /* size taken by cblks (in bytes) */
158 opj_tgt_tree_t *incltree; /* inclusion tree */
159 opj_tgt_tree_t *imsbtree; /* IMSB tree */
161
163typedef struct opj_tcd_band {
164 /* dimension of the subband : left upper corner (x0, y0) right low corner (x1,y1) */
166 /* band number: for lowest resolution level (0=LL), otherwise (1=HL, 2=LH, 3=HH) */
168 /* precinct information */
170 /* size of data taken by precincts */
175
177typedef struct opj_tcd_resolution {
178 /* dimension of the resolution level : left upper corner (x0, y0) right low corner (x1,y1) */
180 /* number of precincts, in width and height, for this resolution level */
182 /* number of sub-bands for the resolution level (1 for lowest resolution level, 3 otherwise) */
184 /* subband information */
186
187 /* dimension of the resolution limited to window of interest. Only valid if tcd->whole_tile_decoding is set */
193
195typedef struct opj_tcd_tilecomp {
196 /* dimension of component : left upper corner (x0, y0) right low corner (x1,y1) */
198 /* component number */
200 /* number of resolutions level */
202 /* number of resolutions level to decode (at max)*/
204 /* resolutions information */
206 /* size of data for resolutions (in bytes) */
208
209 /* data of the component. For decoding, only valid if tcd->whole_tile_decoding is set (so exclusive of data_win member) */
211 /* if true, then need to free after usage, otherwise do not free */
213 /* we may either need to allocate this amount of data, or re-use image data and ignore this value */
215 /* size of the data of the component */
216 size_t data_size;
217
220 /* dimension of the component limited to window of interest. Only valid for decoding and if tcd->whole_tile_decoding is NOT set */
225
226 /* number of pixels */
229
230
234typedef struct opj_tcd_tile {
235 /* dimension of the tile : left upper corner (x0, y0) right low corner (x1,y1) */
237 OPJ_UINT32 numcomps; /* number of components in tile */
238 opj_tcd_tilecomp_t *comps; /* Components information */
239 OPJ_SIZE_T numpix; /* number of pixels */
240 OPJ_FLOAT64 distotile; /* distortion of the tile */
241 OPJ_FLOAT64 distolayer[100]; /* distortion per layer */
242 OPJ_UINT32 packno; /* packet number */
244
248typedef struct opj_tcd_image {
249 opj_tcd_tile_t *tiles; /* Tiles information */
250}
252
253
292
308
311/* ----------------------------------------------------------------------- */
312
316/*void tcd_dump(FILE *fd, opj_tcd_t *tcd, opj_tcd_image_t *img);*/ /* TODO MSD should use the new v2 structures */
317
323opj_tcd_t* opj_tcd_create(OPJ_BOOL p_is_decoder);
324
329void opj_tcd_destroy(opj_tcd_t *tcd);
330
331
337
338
344
345
356 opj_image_t * p_image,
357 opj_cp_t * p_cp,
358 opj_thread_pool_t* p_tp);
359
371 opj_event_mgr_t* p_manager);
372
377 OPJ_BOOL take_into_account_partial_decoding);
378
392 OPJ_UINT32 p_tile_no,
393 OPJ_BYTE *p_dest,
394 OPJ_UINT32 * p_data_written,
395 OPJ_UINT32 p_len,
396 struct opj_codestream_info *p_cstr_info,
397 opj_tcd_marker_info_t* p_marker_info,
398 opj_event_mgr_t *p_manager);
399
400
419 OPJ_UINT32 win_x0,
420 OPJ_UINT32 win_y0,
421 OPJ_UINT32 win_x1,
422 OPJ_UINT32 win_y1,
423 OPJ_UINT32 numcomps_to_decode,
424 const OPJ_UINT32 *comps_indices,
425 OPJ_BYTE *src,
426 OPJ_UINT32 len,
427 OPJ_UINT32 tileno,
428 opj_codestream_index_t *cstr_info,
429 opj_event_mgr_t *manager);
430
431
436 OPJ_BYTE * p_dest,
437 OPJ_UINT32 p_dest_length);
438
445
456 OPJ_UINT32 p_tile_no, opj_event_mgr_t* p_manager);
457
464 OPJ_BYTE * p_src,
465 OPJ_SIZE_T p_src_length);
466
473
479
482
483
499 OPJ_UINT32 compno,
500 OPJ_UINT32 resno,
501 OPJ_UINT32 bandno,
502 OPJ_UINT32 x0,
503 OPJ_UINT32 y0,
504 OPJ_UINT32 x1,
505 OPJ_UINT32 y1);
506
507/* ----------------------------------------------------------------------- */
511
512#endif /* OPJ_TCD_H */
unsigned char OPJ_BYTE
Definition openjpeg.h:123
double OPJ_FLOAT64
Definition openjpeg.h:122
int32_t OPJ_INT32
Definition openjpeg.h:131
uint32_t OPJ_UINT32
Definition openjpeg.h:132
float OPJ_FLOAT32
Definition openjpeg.h:121
size_t OPJ_SIZE_T
Definition openjpeg.h:139
int OPJ_BOOL
Definition openjpeg.h:116
unsigned int OPJ_BITFIELD
Definition opj_includes.h:219
Index structure of the codestream (FIXME should be expand and enhance)
Definition openjpeg.h:1039
Index structure of the codestream.
Definition openjpeg.h:853
Coding parameters.
Definition j2k.h:358
Message handler object used for.
Definition event.h:50
Defines image data and characteristics.
Definition openjpeg.h:711
Sub-band structure.
Definition tcd.h:163
opj_tcd_precinct_t * precincts
Definition tcd.h:169
OPJ_FLOAT32 stepsize
Definition tcd.h:173
OPJ_UINT32 bandno
Definition tcd.h:167
OPJ_INT32 x1
Definition tcd.h:165
OPJ_INT32 x0
Definition tcd.h:165
OPJ_INT32 numbps
Definition tcd.h:172
OPJ_INT32 y0
Definition tcd.h:165
OPJ_INT32 y1
Definition tcd.h:165
OPJ_UINT32 precincts_data_size
Definition tcd.h:171
Code-block for decoding.
Definition tcd.h:120
OPJ_INT32 * decoded_data
Definition tcd.h:143
OPJ_UINT32 numchunks
Definition tcd.h:140
OPJ_INT32 x1
Definition tcd.h:124
OPJ_UINT32 m_current_max_segs
Definition tcd.h:139
OPJ_INT32 y0
Definition tcd.h:124
opj_tcd_seg_t * segs
Definition tcd.h:121
OPJ_UINT32 numlenbits
Definition tcd.h:132
OPJ_UINT32 numchunksalloc
Definition tcd.h:141
OPJ_UINT32 Mb
Definition tcd.h:128
OPJ_UINT32 numnewpasses
Definition tcd.h:134
OPJ_UINT32 numbps
Definition tcd.h:130
OPJ_UINT32 numsegs
Definition tcd.h:136
OPJ_INT32 y1
Definition tcd.h:124
OPJ_UINT32 real_num_segs
Definition tcd.h:138
OPJ_BOOL corrupted
Definition tcd.h:144
opj_tcd_seg_data_chunk_t * chunks
Definition tcd.h:122
OPJ_INT32 x0
Definition tcd.h:124
FIXME DOC.
Definition tcd.h:77
OPJ_INT32 x1
Definition tcd.h:81
OPJ_BYTE * data
Definition tcd.h:78
opj_tcd_layer_t * layers
Definition tcd.h:79
OPJ_UINT32 numlenbits
Definition tcd.h:84
opj_tcd_pass_t * passes
Definition tcd.h:80
OPJ_UINT32 numpasses
Definition tcd.h:87
OPJ_INT32 y0
Definition tcd.h:81
OPJ_UINT32 totalpasses
Definition tcd.h:89
OPJ_INT32 x0
Definition tcd.h:81
OPJ_UINT32 numbps
Definition tcd.h:83
OPJ_UINT32 data_size
Definition tcd.h:85
OPJ_UINT32 numpassesinlayers
Definition tcd.h:88
OPJ_INT32 y1
Definition tcd.h:82
FIXME DOC.
Definition tcd.h:248
opj_tcd_tile_t * tiles
Definition tcd.h:249
FIXME DOC.
Definition tcd.h:67
OPJ_UINT32 len
Definition tcd.h:69
OPJ_BYTE * data
Definition tcd.h:71
OPJ_FLOAT64 disto
Definition tcd.h:70
OPJ_UINT32 numpasses
Definition tcd.h:68
Structure to hold information needed to generate some markers.
Definition tcd.h:297
OPJ_UINT32 packet_count
OUT: Number of elements in p_packet_size[] array.
Definition tcd.h:302
OPJ_BOOL need_PLT
In: Whether information to generate PLT markers in needed.
Definition tcd.h:299
OPJ_UINT32 * p_packet_size
OUT: Array of size packet_count, such that p_packet_size[i] is the size in bytes of the ith packet.
Definition tcd.h:306
FIXME DOC.
Definition tcd.h:57
OPJ_UINT32 rate
Definition tcd.h:58
OPJ_FLOAT64 distortiondec
Definition tcd.h:59
OPJ_BITFIELD term
Definition tcd.h:61
OPJ_UINT32 len
Definition tcd.h:60
Precinct structure.
Definition tcd.h:148
OPJ_UINT32 ch
Definition tcd.h:151
OPJ_INT32 y0
Definition tcd.h:150
OPJ_UINT32 block_size
Definition tcd.h:157
void * blocks
Definition tcd.h:155
opj_tgt_tree_t * incltree
Definition tcd.h:158
OPJ_INT32 x1
Definition tcd.h:150
OPJ_INT32 y1
Definition tcd.h:150
opj_tgt_tree_t * imsbtree
Definition tcd.h:159
union opj_tcd_precinct::@3 cblks
OPJ_INT32 x0
Definition tcd.h:150
opj_tcd_cblk_dec_t * dec
Definition tcd.h:154
OPJ_UINT32 cw
Definition tcd.h:151
opj_tcd_cblk_enc_t * enc
Definition tcd.h:153
Tile-component resolution structure.
Definition tcd.h:177
opj_tcd_band_t bands[3]
Definition tcd.h:185
OPJ_UINT32 win_x0
Definition tcd.h:188
OPJ_INT32 x1
Definition tcd.h:179
OPJ_INT32 y1
Definition tcd.h:179
OPJ_UINT32 win_x1
Definition tcd.h:190
OPJ_UINT32 win_y1
Definition tcd.h:191
OPJ_UINT32 ph
Definition tcd.h:181
OPJ_INT32 x0
Definition tcd.h:179
OPJ_UINT32 pw
Definition tcd.h:181
OPJ_INT32 y0
Definition tcd.h:179
OPJ_UINT32 win_y0
Definition tcd.h:189
OPJ_UINT32 numbands
Definition tcd.h:183
Chunk of codestream data that is part of a code block.
Definition tcd.h:94
OPJ_UINT32 len
Definition tcd.h:99
OPJ_BYTE * data
Definition tcd.h:98
Segment of a code-block.
Definition tcd.h:105
OPJ_UINT32 real_num_passes
Definition tcd.h:110
OPJ_UINT32 maxpasses
Definition tcd.h:112
OPJ_UINT32 numnewpasses
Definition tcd.h:114
OPJ_UINT32 len
Definition tcd.h:106
OPJ_UINT32 newlen
Definition tcd.h:116
OPJ_UINT32 numpasses
Definition tcd.h:108
FIXME DOC.
Definition tcd.h:234
OPJ_UINT32 numcomps
Definition tcd.h:237
OPJ_INT32 x0
Definition tcd.h:236
OPJ_FLOAT64 distolayer[100]
Definition tcd.h:241
OPJ_INT32 y0
Definition tcd.h:236
OPJ_SIZE_T numpix
Definition tcd.h:239
OPJ_INT32 y1
Definition tcd.h:236
opj_tcd_tilecomp_t * comps
Definition tcd.h:238
OPJ_INT32 x1
Definition tcd.h:236
OPJ_UINT32 packno
Definition tcd.h:242
OPJ_FLOAT64 distotile
Definition tcd.h:240
Tile-component structure.
Definition tcd.h:195
OPJ_INT32 x1
Definition tcd.h:197
OPJ_UINT32 win_y0
Definition tcd.h:222
OPJ_INT32 x0
Definition tcd.h:197
OPJ_UINT32 win_y1
Definition tcd.h:224
OPJ_INT32 * data_win
data of the component limited to window of interest.
Definition tcd.h:219
size_t data_size
Definition tcd.h:216
OPJ_UINT32 minimum_num_resolutions
Definition tcd.h:203
OPJ_UINT32 numresolutions
Definition tcd.h:201
OPJ_SIZE_T numpix
Definition tcd.h:227
OPJ_UINT32 compno
Definition tcd.h:199
opj_tcd_resolution_t * resolutions
Definition tcd.h:205
OPJ_UINT32 win_x1
Definition tcd.h:223
OPJ_INT32 y0
Definition tcd.h:197
OPJ_BOOL ownsData
Definition tcd.h:212
OPJ_INT32 y1
Definition tcd.h:197
OPJ_INT32 * data
Definition tcd.h:210
OPJ_UINT32 resolutions_size
Definition tcd.h:207
OPJ_UINT32 win_x0
Definition tcd.h:221
size_t data_size_needed
Definition tcd.h:214
Tile coder/decoder.
Definition tcd.h:257
OPJ_UINT32 win_x0
Coordinates of the window of interest, in grid reference space.
Definition tcd.h:283
opj_tcp_t * tcp
coding/decoding parameters common to all tiles
Definition tcd.h:275
OPJ_INT32 tp_pos
Position of the tilepart flag in Progression order.
Definition tcd.h:259
OPJ_BOOL * used_component
Definition tcd.h:290
OPJ_UINT32 win_y1
Definition tcd.h:286
OPJ_UINT32 cur_pino
Current Packet iterator number.
Definition tcd.h:267
OPJ_UINT32 win_y0
Definition tcd.h:284
OPJ_BOOL whole_tile_decoding
Only valid for decoding.
Definition tcd.h:288
opj_image_t * image
image header
Definition tcd.h:271
opj_tcd_image_t * tcd_image
info on each image tile
Definition tcd.h:269
OPJ_UINT32 tp_num
Tile part number.
Definition tcd.h:261
OPJ_BITFIELD m_is_decoder
tell if the tcd is a decoder.
Definition tcd.h:279
OPJ_UINT32 cur_tp_num
Current tile part number.
Definition tcd.h:263
opj_cp_t * cp
coding parameters
Definition tcd.h:273
OPJ_UINT32 win_x1
Definition tcd.h:285
opj_thread_pool_t * thread_pool
Thread pool.
Definition tcd.h:281
OPJ_UINT32 cur_totnum_tp
Total number of tileparts of the current tile.
Definition tcd.h:265
OPJ_UINT32 tcd_tileno
current encoded/decoded tile
Definition tcd.h:277
Tile coding parameters : this structure is used to store coding/decoding parameters common to all til...
Definition j2k.h:248
Tag tree.
Definition tgt.h:67
Definition thread.c:605
struct opj_tcd_cblk_dec opj_tcd_cblk_dec_t
Code-block for decoding.
struct opj_tcd_layer opj_tcd_layer_t
FIXME DOC.
struct opj_tcd_marker_info opj_tcd_marker_info_t
Structure to hold information needed to generate some markers.
OPJ_BOOL opj_tcd_copy_tile_data(opj_tcd_t *p_tcd, OPJ_BYTE *p_src, OPJ_SIZE_T p_src_length)
Copies tile data from the given memory block onto the system.
Definition tcd.c:2690
OPJ_BOOL opj_tcd_init_encode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, opj_event_mgr_t *p_manager)
Initialize the tile coder and may reuse some memory.
Definition tcd.c:1266
void opj_tcd_destroy(opj_tcd_t *tcd)
Destroy a previously created TCD handle.
Definition tcd.c:744
struct opj_tcd opj_tcd_t
Tile coder/decoder.
OPJ_UINT32 opj_tcd_get_decoded_tile_size(opj_tcd_t *p_tcd, OPJ_BOOL take_into_account_partial_decoding)
Gets the maximum tile size that will be taken by the tile once decoded.
Definition tcd.c:1394
struct opj_tcd_band opj_tcd_band_t
Sub-band structure.
struct opj_tcd_tile opj_tcd_tile_t
FIXME DOC.
OPJ_SIZE_T opj_tcd_get_encoder_input_buffer_size(opj_tcd_t *p_tcd)
Get the size in bytes of the input buffer provided before encoded.
Definition tcd.c:2438
struct opj_tcd_precinct opj_tcd_precinct_t
Precinct structure.
OPJ_BOOL opj_tcd_init(opj_tcd_t *p_tcd, opj_image_t *p_image, opj_cp_t *p_cp, opj_thread_pool_t *p_tp)
Initialize the tile coder and may reuse some memory.
Definition tcd.c:714
OPJ_BOOL opj_tcd_is_band_empty(opj_tcd_band_t *band)
Returns whether a sub-band is empty (i.e.
Definition tcd.c:2778
void opj_tcd_reinit_segment(opj_tcd_seg_t *seg)
Reinitialize a segment.
Definition tcd.c:1348
opj_tcd_marker_info_t * opj_tcd_marker_info_create(OPJ_BOOL need_PLT)
Create a new opj_tcd_marker_info_t* structure.
Definition tcd.c:2907
struct opj_tcd_cblk_enc opj_tcd_cblk_enc_t
FIXME DOC.
struct opj_tcd_resolution opj_tcd_resolution_t
Tile-component resolution structure.
OPJ_BOOL opj_tcd_encode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, OPJ_BYTE *p_dest, OPJ_UINT32 *p_data_written, OPJ_UINT32 p_len, struct opj_codestream_info *p_cstr_info, opj_tcd_marker_info_t *p_marker_info, opj_event_mgr_t *p_manager)
Encodes a tile from the raw image into the given buffer.
Definition tcd.c:1449
void opj_tcd_marker_info_destroy(opj_tcd_marker_info_t *p_tcd_marker_info)
Destroy a previously created opj_tcd_marker_info_t* structure.
Definition tcd.c:2922
struct opj_tcd_pass opj_tcd_pass_t
FIXME DOC.
struct opj_tcd_seg_data_chunk opj_tcd_seg_data_chunk_t
Chunk of codestream data that is part of a code block.
struct opj_tcd_seg opj_tcd_seg_t
Segment of a code-block.
opj_tcd_t * opj_tcd_create(OPJ_BOOL p_is_decoder)
Dump the content of a tcd structure.
Definition tcd.c:208
OPJ_BOOL opj_tcd_init_decode_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no, opj_event_mgr_t *p_manager)
Allocates memory for decoding a specific tile.
Definition tcd.c:1273
OPJ_BOOL opj_tcd_decode_tile(opj_tcd_t *tcd, OPJ_UINT32 win_x0, OPJ_UINT32 win_y0, OPJ_UINT32 win_x1, OPJ_UINT32 win_y1, OPJ_UINT32 numcomps_to_decode, const OPJ_UINT32 *comps_indices, OPJ_BYTE *src, OPJ_UINT32 len, OPJ_UINT32 tileno, opj_codestream_index_t *cstr_info, opj_event_mgr_t *manager)
Decode a tile from a buffer into a raw image.
Definition tcd.c:1545
OPJ_BOOL opj_tcd_is_subband_area_of_interest(opj_tcd_t *tcd, OPJ_UINT32 compno, OPJ_UINT32 resno, OPJ_UINT32 bandno, OPJ_UINT32 x0, OPJ_UINT32 y0, OPJ_UINT32 x1, OPJ_UINT32 y1)
Returns whether a sub-band region contributes to the area of interest tcd->win_x0,...
Definition tcd.c:2783
struct opj_tcd_image opj_tcd_image_t
FIXME DOC.
struct opj_tcd_tilecomp opj_tcd_tilecomp_t
Tile-component structure.
OPJ_BOOL opj_alloc_tile_component_data(opj_tcd_tilecomp_t *l_tilec)
Allocates tile component data.
Definition tcd.c:760
OPJ_BOOL opj_tcd_update_tile_data(opj_tcd_t *p_tcd, OPJ_BYTE *p_dest, OPJ_UINT32 p_dest_length)
Copies tile data from the system onto the given memory block.
Definition tcd.c:1799