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, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
15 * Copyright (c) 2006-2007, Parvatha Elangovan
16 * Copyright (c) 2010-2011, Kaori Hagihara
17 * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
18 * Copyright (c) 2012, CS Systemes d'Information, France
19 * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
20 * All rights reserved.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the above copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
32 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
33 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
34 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
35 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
36 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
37 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
38 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
39 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGE.
42 */
43
44#include "opj_includes.h"
45
46/** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
47/*@{*/
48
49/** @name Local static functions */
50/*@{*/
51
52/**
53 * Sets up the procedures to do on reading header. Developers wanting to extend the library can add their own reading procedures.
54 */
55static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
56 opj_event_mgr_t * p_manager);
57
58/**
59 * The read header procedure.
60 */
61static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
62 opj_stream_private_t *p_stream,
63 opj_event_mgr_t * p_manager);
64
65/**
66 * The default encoding validation procedure without any extension.
67 *
68 * @param p_j2k the jpeg2000 codec to validate.
69 * @param p_stream the input stream to validate.
70 * @param p_manager the user event manager.
71 *
72 * @return true if the parameters are correct.
73 */
74static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
75 opj_stream_private_t *p_stream,
76 opj_event_mgr_t * p_manager);
77
78/**
79 * The default decoding validation procedure without any extension.
80 *
81 * @param p_j2k the jpeg2000 codec to validate.
82 * @param p_stream the input stream to validate.
83 * @param p_manager the user event manager.
84 *
85 * @return true if the parameters are correct.
86 */
87static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t * p_j2k,
88 opj_stream_private_t *p_stream,
89 opj_event_mgr_t * p_manager);
90
91/**
92 * Sets up the validation ,i.e. adds the procedures to launch to make sure the codec parameters
93 * are valid. Developers wanting to extend the library can add their own validation procedures.
94 */
95static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
96 opj_event_mgr_t * p_manager);
97
98/**
99 * Sets up the validation ,i.e. adds the procedures to launch to make sure the codec parameters
100 * are valid. Developers wanting to extend the library can add their own validation procedures.
101 */
102static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
103 opj_event_mgr_t * p_manager);
104
105/**
106 * Sets up the validation ,i.e. adds the procedures to launch to make sure the codec parameters
107 * are valid. Developers wanting to extend the library can add their own validation procedures.
108 */
109static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
110 opj_event_mgr_t * p_manager);
111
112/**
113 * The mct encoding validation procedure.
114 *
115 * @param p_j2k the jpeg2000 codec to validate.
116 * @param p_stream the input stream to validate.
117 * @param p_manager the user event manager.
118 *
119 * @return true if the parameters are correct.
120 */
121static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
122 opj_stream_private_t *p_stream,
123 opj_event_mgr_t * p_manager);
124
125/**
126 * Builds the tcd decoder to use to decode tile.
127 */
128static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
129 opj_stream_private_t *p_stream,
130 opj_event_mgr_t * p_manager);
131/**
132 * Builds the tcd encoder to use to encode tile.
133 */
134static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
135 opj_stream_private_t *p_stream,
136 opj_event_mgr_t * p_manager);
137
138/**
139 * Creates a tile-coder encoder.
140 *
141 * @param p_stream the stream to write data to.
142 * @param p_j2k J2K codec.
143 * @param p_manager the user event manager.
144*/
145static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
146 opj_stream_private_t *p_stream,
147 opj_event_mgr_t * p_manager);
148
149/**
150 * Executes the given procedures on the given codec.
151 *
152 * @param p_procedure_list the list of procedures to execute
153 * @param p_j2k the jpeg2000 codec to execute the procedures on.
154 * @param p_stream the stream to execute the procedures on.
155 * @param p_manager the user manager.
156 *
157 * @return true if all the procedures were successfully executed.
158 */
159static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
160 opj_procedure_list_t * p_procedure_list,
161 opj_stream_private_t *p_stream,
162 opj_event_mgr_t * p_manager);
163
164/**
165 * Updates the rates of the tcp.
166 *
167 * @param p_stream the stream to write data to.
168 * @param p_j2k J2K codec.
169 * @param p_manager the user event manager.
170*/
171static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
172 opj_stream_private_t *p_stream,
173 opj_event_mgr_t * p_manager);
174
175/**
176 * Copies the decoding tile parameters onto all the tile parameters.
177 * Creates also the tile decoder.
178 */
179static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
180 opj_stream_private_t *p_stream,
181 opj_event_mgr_t * p_manager);
182
183/**
184 * Destroys the memory associated with the decoding of headers.
185 */
186static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
187 opj_stream_private_t *p_stream,
188 opj_event_mgr_t * p_manager);
189
190/**
191 * Reads the lookup table containing all the marker, status and action, and returns the handler associated
192 * with the marker value.
193 * @param p_id Marker value to look up
194 *
195 * @return the handler associated with the id.
196*/
197static const struct opj_dec_memory_marker_handler * opj_j2k_get_marker_handler(
198 OPJ_UINT32 p_id);
199
200/**
201 * Destroys a tile coding parameter structure.
202 *
203 * @param p_tcp the tile coding parameter to destroy.
204 */
205static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp);
206
207/**
208 * Destroys the data inside a tile coding parameter structure.
209 *
210 * @param p_tcp the tile coding parameter which contain data to destroy.
211 */
212static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp);
213
214/**
215 * Destroys a coding parameter structure.
216 *
217 * @param p_cp the coding parameter to destroy.
218 */
219static void opj_j2k_cp_destroy(opj_cp_t *p_cp);
220
221/**
222 * Compare 2 a SPCod/ SPCoc elements, i.e. the coding style of a given component of a tile.
223 *
224 * @param p_j2k J2K codec.
225 * @param p_tile_no Tile number
226 * @param p_first_comp_no The 1st component number to compare.
227 * @param p_second_comp_no The 1st component number to compare.
228 *
229 * @return OPJ_TRUE if SPCdod are equals.
230 */
231static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
232 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
233
234/**
235 * Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
236 *
237 * @param p_j2k J2K codec.
238 * @param p_tile_no FIXME DOC
239 * @param p_comp_no the component number to output.
240 * @param p_data FIXME DOC
241 * @param p_header_size FIXME DOC
242 * @param p_manager the user event manager.
243 *
244 * @return FIXME DOC
245*/
246static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
247 OPJ_UINT32 p_tile_no,
248 OPJ_UINT32 p_comp_no,
249 OPJ_BYTE * p_data,
250 OPJ_UINT32 * p_header_size,
251 opj_event_mgr_t * p_manager);
252
253/**
254 * Gets the size taken by writing a SPCod or SPCoc for the given tile and component.
255 *
256 * @param p_j2k the J2K codec.
257 * @param p_tile_no the tile index.
258 * @param p_comp_no the component being outputted.
259 *
260 * @return the number of bytes taken by the SPCod element.
261 */
262static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
263 OPJ_UINT32 p_tile_no,
264 OPJ_UINT32 p_comp_no);
265
266/**
267 * Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
268 * @param p_j2k the jpeg2000 codec.
269 * @param compno FIXME DOC
270 * @param p_header_data the data contained in the COM box.
271 * @param p_header_size the size of the data contained in the COM marker.
272 * @param p_manager the user event manager.
273*/
274static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
275 OPJ_UINT32 compno,
276 OPJ_BYTE * p_header_data,
277 OPJ_UINT32 * p_header_size,
278 opj_event_mgr_t * p_manager);
279
280/**
281 * Gets the size taken by writing SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
282 *
283 * @param p_tile_no the tile index.
284 * @param p_comp_no the component being outputted.
285 * @param p_j2k the J2K codec.
286 *
287 * @return the number of bytes taken by the SPCod element.
288 */
289static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
290 OPJ_UINT32 p_tile_no,
291 OPJ_UINT32 p_comp_no);
292
293/**
294 * Compares 2 SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
295 *
296 * @param p_j2k J2K codec.
297 * @param p_tile_no the tile to output.
298 * @param p_first_comp_no the first component number to compare.
299 * @param p_second_comp_no the second component number to compare.
300 *
301 * @return OPJ_TRUE if equals.
302 */
303static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
304 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
305
306
307/**
308 * Writes a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
309 *
310 * @param p_tile_no the tile to output.
311 * @param p_comp_no the component number to output.
312 * @param p_data the data buffer.
313 * @param p_header_size pointer to the size of the data buffer, it is changed by the function.
314 * @param p_j2k J2K codec.
315 * @param p_manager the user event manager.
316 *
317*/
318static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
319 OPJ_UINT32 p_tile_no,
320 OPJ_UINT32 p_comp_no,
321 OPJ_BYTE * p_data,
322 OPJ_UINT32 * p_header_size,
323 opj_event_mgr_t * p_manager);
324
325/**
326 * Updates the Tile Length Marker.
327 */
328static void opj_j2k_update_tlm(opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size);
329
330/**
331 * Reads a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
332 *
333 * @param p_j2k J2K codec.
334 * @param compno the component number to output.
335 * @param p_header_data the data buffer.
336 * @param p_header_size pointer to the size of the data buffer, it is changed by the function.
337 * @param p_manager the user event manager.
338 *
339*/
340static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
341 OPJ_UINT32 compno,
342 OPJ_BYTE * p_header_data,
343 OPJ_UINT32 * p_header_size,
344 opj_event_mgr_t * p_manager);
345
346/**
347 * Copies the tile component parameters of all the component from the first tile component.
348 *
349 * @param p_j2k the J2k codec.
350 */
351static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k);
352
353/**
354 * Copies the tile quantization parameters of all the component from the first tile component.
355 *
356 * @param p_j2k the J2k codec.
357 */
358static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k);
359
360/**
361 * Reads the tiles.
362 */
363static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
364 opj_stream_private_t *p_stream,
365 opj_event_mgr_t * p_manager);
366
367static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
368 OPJ_UINT32 p_tile_index,
369 opj_stream_private_t *p_stream,
370 opj_event_mgr_t * p_manager);
371
372static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
373 opj_image_t* p_output_image);
374
375static void opj_get_tile_dimensions(opj_image_t * l_image,
376 opj_tcd_tilecomp_t * l_tilec,
377 opj_image_comp_t * l_img_comp,
378 OPJ_UINT32* l_size_comp,
379 OPJ_UINT32* l_width,
380 OPJ_UINT32* l_height,
381 OPJ_UINT32* l_offset_x,
382 OPJ_UINT32* l_offset_y,
383 OPJ_UINT32* l_image_width,
384 OPJ_UINT32* l_stride,
385 OPJ_UINT32* l_tile_offset);
386
387static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data);
388
389static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
390 opj_stream_private_t *p_stream,
391 opj_event_mgr_t * p_manager);
392
393/**
394 * Sets up the procedures to do on writing header.
395 * Developers wanting to extend the library can add their own writing procedures.
396 */
397static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
398 opj_event_mgr_t * p_manager);
399
400static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
401 OPJ_BYTE * p_data,
402 OPJ_UINT32 * p_data_written,
403 OPJ_UINT32 total_data_size,
404 opj_stream_private_t *p_stream,
405 struct opj_event_mgr * p_manager);
406
407static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
408 OPJ_BYTE * p_data,
409 OPJ_UINT32 * p_data_written,
410 OPJ_UINT32 total_data_size,
411 opj_stream_private_t *p_stream,
412 struct opj_event_mgr * p_manager);
413
414/**
415 * Gets the offset of the header.
416 *
417 * @param p_stream the stream to write data to.
418 * @param p_j2k J2K codec.
419 * @param p_manager the user event manager.
420*/
421static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
422 opj_stream_private_t *p_stream,
423 opj_event_mgr_t * p_manager);
424
425static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k);
426
427/*
428 * -----------------------------------------------------------------------
429 * -----------------------------------------------------------------------
430 * -----------------------------------------------------------------------
431 */
432
433/**
434 * Writes the SOC marker (Start Of Codestream)
435 *
436 * @param p_stream the stream to write data to.
437 * @param p_j2k J2K codec.
438 * @param p_manager the user event manager.
439*/
440static OPJ_BOOL opj_j2k_write_soc(opj_j2k_t *p_j2k,
441 opj_stream_private_t *p_stream,
442 opj_event_mgr_t * p_manager);
443
444/**
445 * Reads a SOC marker (Start of Codestream)
446 * @param p_j2k the jpeg2000 file codec.
447 * @param p_stream XXX needs data
448 * @param p_manager the user event manager.
449*/
450static OPJ_BOOL opj_j2k_read_soc(opj_j2k_t *p_j2k,
451 opj_stream_private_t *p_stream,
452 opj_event_mgr_t * p_manager);
453
454/**
455 * Writes the SIZ marker (image and tile size)
456 *
457 * @param p_j2k J2K codec.
458 * @param p_stream the stream to write data to.
459 * @param p_manager the user event manager.
460*/
461static OPJ_BOOL opj_j2k_write_siz(opj_j2k_t *p_j2k,
462 opj_stream_private_t *p_stream,
463 opj_event_mgr_t * p_manager);
464
465/**
466 * Reads a SIZ marker (image and tile size)
467 * @param p_j2k the jpeg2000 file codec.
468 * @param p_header_data the data contained in the SIZ box.
469 * @param p_header_size the size of the data contained in the SIZ marker.
470 * @param p_manager the user event manager.
471*/
472static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
473 OPJ_BYTE * p_header_data,
474 OPJ_UINT32 p_header_size,
475 opj_event_mgr_t * p_manager);
476
477/**
478 * Writes the COM marker (comment)
479 *
480 * @param p_stream the stream to write data to.
481 * @param p_j2k J2K codec.
482 * @param p_manager the user event manager.
483*/
484static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
485 opj_stream_private_t *p_stream,
486 opj_event_mgr_t * p_manager);
487
488/**
489 * Reads a COM marker (comments)
490 * @param p_j2k the jpeg2000 file codec.
491 * @param p_header_data the data contained in the COM box.
492 * @param p_header_size the size of the data contained in the COM marker.
493 * @param p_manager the user event manager.
494*/
495static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
496 OPJ_BYTE * p_header_data,
497 OPJ_UINT32 p_header_size,
498 opj_event_mgr_t * p_manager);
499/**
500 * Writes the COD marker (Coding style default)
501 *
502 * @param p_stream the stream to write data to.
503 * @param p_j2k J2K codec.
504 * @param p_manager the user event manager.
505*/
506static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
507 opj_stream_private_t *p_stream,
508 opj_event_mgr_t * p_manager);
509
510/**
511 * Reads a COD marker (Coding style defaults)
512 * @param p_header_data the data contained in the COD box.
513 * @param p_j2k the jpeg2000 codec.
514 * @param p_header_size the size of the data contained in the COD marker.
515 * @param p_manager the user event manager.
516*/
517static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
518 OPJ_BYTE * p_header_data,
519 OPJ_UINT32 p_header_size,
520 opj_event_mgr_t * p_manager);
521
522/**
523 * Compares 2 COC markers (Coding style component)
524 *
525 * @param p_j2k J2K codec.
526 * @param p_first_comp_no the index of the first component to compare.
527 * @param p_second_comp_no the index of the second component to compare.
528 *
529 * @return OPJ_TRUE if equals
530 */
531static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
532 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
533
534/**
535 * Writes the COC marker (Coding style component)
536 *
537 * @param p_j2k J2K codec.
538 * @param p_comp_no the index of the component to output.
539 * @param p_stream the stream to write data to.
540 * @param p_manager the user event manager.
541*/
542static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
543 OPJ_UINT32 p_comp_no,
544 opj_stream_private_t *p_stream,
545 opj_event_mgr_t * p_manager);
546
547/**
548 * Writes the COC marker (Coding style component)
549 *
550 * @param p_j2k J2K codec.
551 * @param p_comp_no the index of the component to output.
552 * @param p_data FIXME DOC
553 * @param p_data_written FIXME DOC
554 * @param p_manager the user event manager.
555*/
556static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
557 OPJ_UINT32 p_comp_no,
558 OPJ_BYTE * p_data,
559 OPJ_UINT32 * p_data_written,
560 opj_event_mgr_t * p_manager);
561
562/**
563 * Gets the maximum size taken by a coc.
564 *
565 * @param p_j2k the jpeg2000 codec to use.
566 */
567static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k);
568
569/**
570 * Reads a COC marker (Coding Style Component)
571 * @param p_header_data the data contained in the COC box.
572 * @param p_j2k the jpeg2000 codec.
573 * @param p_header_size the size of the data contained in the COC marker.
574 * @param p_manager the user event manager.
575*/
576static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
577 OPJ_BYTE * p_header_data,
578 OPJ_UINT32 p_header_size,
579 opj_event_mgr_t * p_manager);
580
581/**
582 * Writes the QCD marker (quantization default)
583 *
584 * @param p_j2k J2K codec.
585 * @param p_stream the stream to write data to.
586 * @param p_manager the user event manager.
587*/
588static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
589 opj_stream_private_t *p_stream,
590 opj_event_mgr_t * p_manager);
591
592/**
593 * Reads a QCD marker (Quantization defaults)
594 * @param p_header_data the data contained in the QCD box.
595 * @param p_j2k the jpeg2000 codec.
596 * @param p_header_size the size of the data contained in the QCD marker.
597 * @param p_manager the user event manager.
598*/
599static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
600 OPJ_BYTE * p_header_data,
601 OPJ_UINT32 p_header_size,
602 opj_event_mgr_t * p_manager);
603
604/**
605 * Compare QCC markers (quantization component)
606 *
607 * @param p_j2k J2K codec.
608 * @param p_first_comp_no the index of the first component to compare.
609 * @param p_second_comp_no the index of the second component to compare.
610 *
611 * @return OPJ_TRUE if equals.
612 */
613static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
614 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
615
616/**
617 * Writes the QCC marker (quantization component)
618 *
619 * @param p_comp_no the index of the component to output.
620 * @param p_stream the stream to write data to.
621 * @param p_j2k J2K codec.
622 * @param p_manager the user event manager.
623*/
624static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
625 OPJ_UINT32 p_comp_no,
626 opj_stream_private_t *p_stream,
627 opj_event_mgr_t * p_manager);
628
629/**
630 * Writes the QCC marker (quantization component)
631 *
632 * @param p_j2k J2K codec.
633 * @param p_comp_no the index of the component to output.
634 * @param p_data FIXME DOC
635 * @param p_data_written the stream to write data to.
636 * @param p_manager the user event manager.
637*/
638static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
639 OPJ_UINT32 p_comp_no,
640 OPJ_BYTE * p_data,
641 OPJ_UINT32 * p_data_written,
642 opj_event_mgr_t * p_manager);
643
644/**
645 * Gets the maximum size taken by a qcc.
646 */
647static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k);
648
649/**
650 * Reads a QCC marker (Quantization component)
651 * @param p_header_data the data contained in the QCC box.
652 * @param p_j2k the jpeg2000 codec.
653 * @param p_header_size the size of the data contained in the QCC marker.
654 * @param p_manager the user event manager.
655*/
656static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
657 OPJ_BYTE * p_header_data,
658 OPJ_UINT32 p_header_size,
659 opj_event_mgr_t * p_manager);
660/**
661 * Writes the POC marker (Progression Order Change)
662 *
663 * @param p_stream the stream to write data to.
664 * @param p_j2k J2K codec.
665 * @param p_manager the user event manager.
666*/
667static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
668 opj_stream_private_t *p_stream,
669 opj_event_mgr_t * p_manager);
670/**
671 * Writes the POC marker (Progression Order Change)
672 *
673 * @param p_j2k J2K codec.
674 * @param p_data FIXME DOC
675 * @param p_data_written the stream to write data to.
676 * @param p_manager the user event manager.
677 */
678static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
679 OPJ_BYTE * p_data,
680 OPJ_UINT32 * p_data_written,
681 opj_event_mgr_t * p_manager);
682/**
683 * Gets the maximum size taken by the writing of a POC.
684 */
685static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k);
686
687/**
688 * Reads a POC marker (Progression Order Change)
689 *
690 * @param p_header_data the data contained in the POC box.
691 * @param p_j2k the jpeg2000 codec.
692 * @param p_header_size the size of the data contained in the POC marker.
693 * @param p_manager the user event manager.
694*/
695static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
696 OPJ_BYTE * p_header_data,
697 OPJ_UINT32 p_header_size,
698 opj_event_mgr_t * p_manager);
699
700/**
701 * Gets the maximum size taken by the toc headers of all the tile parts of any given tile.
702 */
703static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k);
704
705/**
706 * Gets the maximum size taken by the headers of the SOT.
707 *
708 * @param p_j2k the jpeg2000 codec to use.
709 */
710static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k);
711
712/**
713 * Reads a CRG marker (Component registration)
714 *
715 * @param p_header_data the data contained in the TLM box.
716 * @param p_j2k the jpeg2000 codec.
717 * @param p_header_size the size of the data contained in the TLM marker.
718 * @param p_manager the user event manager.
719*/
720static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
721 OPJ_BYTE * p_header_data,
722 OPJ_UINT32 p_header_size,
723 opj_event_mgr_t * p_manager);
724/**
725 * Reads a TLM marker (Tile Length Marker)
726 *
727 * @param p_header_data the data contained in the TLM box.
728 * @param p_j2k the jpeg2000 codec.
729 * @param p_header_size the size of the data contained in the TLM marker.
730 * @param p_manager the user event manager.
731*/
732static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
733 OPJ_BYTE * p_header_data,
734 OPJ_UINT32 p_header_size,
735 opj_event_mgr_t * p_manager);
736
737/**
738 * Writes the updated tlm.
739 *
740 * @param p_stream the stream to write data to.
741 * @param p_j2k J2K codec.
742 * @param p_manager the user event manager.
743*/
744static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
745 opj_stream_private_t *p_stream,
746 opj_event_mgr_t * p_manager);
747
748/**
749 * Reads a PLM marker (Packet length, main header marker)
750 *
751 * @param p_header_data the data contained in the TLM box.
752 * @param p_j2k the jpeg2000 codec.
753 * @param p_header_size the size of the data contained in the TLM marker.
754 * @param p_manager the user event manager.
755*/
756static OPJ_BOOL opj_j2k_read_plm(opj_j2k_t *p_j2k,
757 OPJ_BYTE * p_header_data,
758 OPJ_UINT32 p_header_size,
759 opj_event_mgr_t * p_manager);
760/**
761 * Reads a PLT marker (Packet length, tile-part header)
762 *
763 * @param p_header_data the data contained in the PLT box.
764 * @param p_j2k the jpeg2000 codec.
765 * @param p_header_size the size of the data contained in the PLT marker.
766 * @param p_manager the user event manager.
767*/
768static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
769 OPJ_BYTE * p_header_data,
770 OPJ_UINT32 p_header_size,
771 opj_event_mgr_t * p_manager);
772
773/**
774 * Reads a PPM marker (Packed headers, main header)
775 *
776 * @param p_header_data the data contained in the POC box.
777 * @param p_j2k the jpeg2000 codec.
778 * @param p_header_size the size of the data contained in the POC marker.
779 * @param p_manager the user event manager.
780 */
781
782static OPJ_BOOL opj_j2k_read_ppm(
783 opj_j2k_t *p_j2k,
784 OPJ_BYTE * p_header_data,
785 OPJ_UINT32 p_header_size,
786 opj_event_mgr_t * p_manager);
787
788/**
789 * Merges all PPM markers read (Packed headers, main header)
790 *
791 * @param p_cp main coding parameters.
792 * @param p_manager the user event manager.
793 */
794static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager);
795
796/**
797 * Reads a PPT marker (Packed packet headers, tile-part header)
798 *
799 * @param p_header_data the data contained in the PPT box.
800 * @param p_j2k the jpeg2000 codec.
801 * @param p_header_size the size of the data contained in the PPT marker.
802 * @param p_manager the user event manager.
803*/
804static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
805 OPJ_BYTE * p_header_data,
806 OPJ_UINT32 p_header_size,
807 opj_event_mgr_t * p_manager);
808
809/**
810 * Merges all PPT markers read (Packed headers, tile-part header)
811 *
812 * @param p_tcp the tile.
813 * @param p_manager the user event manager.
814 */
815static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp,
816 opj_event_mgr_t * p_manager);
817
818
819/**
820 * Writes the TLM marker (Tile Length Marker)
821 *
822 * @param p_stream the stream to write data to.
823 * @param p_j2k J2K codec.
824 * @param p_manager the user event manager.
825*/
826static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
827 opj_stream_private_t *p_stream,
828 opj_event_mgr_t * p_manager);
829
830/**
831 * Writes the SOT marker (Start of tile-part)
832 *
833 * @param p_j2k J2K codec.
834 * @param p_data Output buffer
835 * @param total_data_size Output buffer size
836 * @param p_data_written Number of bytes written into stream
837 * @param p_stream the stream to write data to.
838 * @param p_manager the user event manager.
839*/
840static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
841 OPJ_BYTE * p_data,
842 OPJ_UINT32 total_data_size,
843 OPJ_UINT32 * p_data_written,
844 const opj_stream_private_t *p_stream,
845 opj_event_mgr_t * p_manager);
846
847/**
848 * Reads values from a SOT marker (Start of tile-part)
849 *
850 * the j2k decoder state is not affected. No side effects, no checks except for p_header_size.
851 *
852 * @param p_header_data the data contained in the SOT marker.
853 * @param p_header_size the size of the data contained in the SOT marker.
854 * @param p_tile_no Isot.
855 * @param p_tot_len Psot.
856 * @param p_current_part TPsot.
857 * @param p_num_parts TNsot.
858 * @param p_manager the user event manager.
859 */
860static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
861 OPJ_UINT32 p_header_size,
862 OPJ_UINT32* p_tile_no,
863 OPJ_UINT32* p_tot_len,
864 OPJ_UINT32* p_current_part,
865 OPJ_UINT32* p_num_parts,
866 opj_event_mgr_t * p_manager);
867/**
868 * Reads a SOT marker (Start of tile-part)
869 *
870 * @param p_header_data the data contained in the SOT marker.
871 * @param p_j2k the jpeg2000 codec.
872 * @param p_header_size the size of the data contained in the PPT marker.
873 * @param p_manager the user event manager.
874*/
875static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
876 OPJ_BYTE * p_header_data,
877 OPJ_UINT32 p_header_size,
878 opj_event_mgr_t * p_manager);
879/**
880 * Writes the SOD marker (Start of data)
881 *
882 * This also writes optional PLT markers (before SOD)
883 *
884 * @param p_j2k J2K codec.
885 * @param p_tile_coder FIXME DOC
886 * @param p_data FIXME DOC
887 * @param p_data_written FIXME DOC
888 * @param total_data_size FIXME DOC
889 * @param p_stream the stream to write data to.
890 * @param p_manager the user event manager.
891*/
892static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
893 opj_tcd_t * p_tile_coder,
894 OPJ_BYTE * p_data,
895 OPJ_UINT32 * p_data_written,
896 OPJ_UINT32 total_data_size,
897 const opj_stream_private_t *p_stream,
898 opj_event_mgr_t * p_manager);
899
900/**
901 * Reads a SOD marker (Start Of Data)
902 *
903 * @param p_j2k the jpeg2000 codec.
904 * @param p_stream FIXME DOC
905 * @param p_manager the user event manager.
906*/
907static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
908 opj_stream_private_t *p_stream,
909 opj_event_mgr_t * p_manager);
910
911static void opj_j2k_update_tlm(opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size)
912{
913 if (p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte) {
914 opj_write_bytes(p_buffer: p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
915 p_value: p_j2k->m_current_tile_number, p_nb_bytes: 1);
916 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 1;
917 } else {
918 opj_write_bytes(p_buffer: p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
919 p_value: p_j2k->m_current_tile_number, p_nb_bytes: 2);
920 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 2;
921 }
922
923 opj_write_bytes(p_buffer: p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
924 p_value: p_tile_part_size, p_nb_bytes: 4); /* PSOT */
925 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 4;
926}
927
928/**
929 * Writes the RGN marker (Region Of Interest)
930 *
931 * @param p_tile_no the tile to output
932 * @param p_comp_no the component to output
933 * @param nb_comps the number of components
934 * @param p_stream the stream to write data to.
935 * @param p_j2k J2K codec.
936 * @param p_manager the user event manager.
937*/
938static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
939 OPJ_UINT32 p_tile_no,
940 OPJ_UINT32 p_comp_no,
941 OPJ_UINT32 nb_comps,
942 opj_stream_private_t *p_stream,
943 opj_event_mgr_t * p_manager);
944
945/**
946 * Reads a RGN marker (Region Of Interest)
947 *
948 * @param p_header_data the data contained in the POC box.
949 * @param p_j2k the jpeg2000 codec.
950 * @param p_header_size the size of the data contained in the POC marker.
951 * @param p_manager the user event manager.
952*/
953static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
954 OPJ_BYTE * p_header_data,
955 OPJ_UINT32 p_header_size,
956 opj_event_mgr_t * p_manager);
957
958/**
959 * Writes the EOC marker (End of Codestream)
960 *
961 * @param p_stream the stream to write data to.
962 * @param p_j2k J2K codec.
963 * @param p_manager the user event manager.
964*/
965static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
966 opj_stream_private_t *p_stream,
967 opj_event_mgr_t * p_manager);
968
969#if 0
970/**
971 * Reads a EOC marker (End Of Codestream)
972 *
973 * @param p_j2k the jpeg2000 codec.
974 * @param p_stream FIXME DOC
975 * @param p_manager the user event manager.
976*/
977static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
978 opj_stream_private_t *p_stream,
979 opj_event_mgr_t * p_manager);
980#endif
981
982/**
983 * Writes the CBD-MCT-MCC-MCO markers (Multi components transform)
984 *
985 * @param p_stream the stream to write data to.
986 * @param p_j2k J2K codec.
987 * @param p_manager the user event manager.
988*/
989static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
990 opj_stream_private_t *p_stream,
991 opj_event_mgr_t * p_manager);
992
993/**
994 * Inits the Info
995 *
996 * @param p_stream the stream to write data to.
997 * @param p_j2k J2K codec.
998 * @param p_manager the user event manager.
999*/
1000static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
1001 opj_stream_private_t *p_stream,
1002 opj_event_mgr_t * p_manager);
1003
1004/**
1005Add main header marker information
1006@param cstr_index Codestream information structure
1007@param type marker type
1008@param pos byte offset of marker segment
1009@param len length of marker segment
1010 */
1011static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
1012 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) ;
1013/**
1014Add tile header marker information
1015@param tileno tile index number
1016@param cstr_index Codestream information structure
1017@param type marker type
1018@param pos byte offset of marker segment
1019@param len length of marker segment
1020 */
1021static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
1022 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
1023 OPJ_UINT32 len);
1024
1025/**
1026 * Reads an unknown marker
1027 *
1028 * @param p_j2k the jpeg2000 codec.
1029 * @param p_stream the stream object to read from.
1030 * @param output_marker FIXME DOC
1031 * @param p_manager the user event manager.
1032 *
1033 * @return true if the marker could be deduced.
1034*/
1035static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
1036 opj_stream_private_t *p_stream,
1037 OPJ_UINT32 *output_marker,
1038 opj_event_mgr_t * p_manager);
1039
1040/**
1041 * Writes the MCT marker (Multiple Component Transform)
1042 *
1043 * @param p_j2k J2K codec.
1044 * @param p_mct_record FIXME DOC
1045 * @param p_stream the stream to write data to.
1046 * @param p_manager the user event manager.
1047*/
1048static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
1049 opj_mct_data_t * p_mct_record,
1050 opj_stream_private_t *p_stream,
1051 opj_event_mgr_t * p_manager);
1052
1053/**
1054 * Reads a MCT marker (Multiple Component Transform)
1055 *
1056 * @param p_header_data the data contained in the MCT box.
1057 * @param p_j2k the jpeg2000 codec.
1058 * @param p_header_size the size of the data contained in the MCT marker.
1059 * @param p_manager the user event manager.
1060*/
1061static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
1062 OPJ_BYTE * p_header_data,
1063 OPJ_UINT32 p_header_size,
1064 opj_event_mgr_t * p_manager);
1065
1066/**
1067 * Writes the MCC marker (Multiple Component Collection)
1068 *
1069 * @param p_j2k J2K codec.
1070 * @param p_mcc_record FIXME DOC
1071 * @param p_stream the stream to write data to.
1072 * @param p_manager the user event manager.
1073*/
1074static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
1075 opj_simple_mcc_decorrelation_data_t * p_mcc_record,
1076 opj_stream_private_t *p_stream,
1077 opj_event_mgr_t * p_manager);
1078
1079/**
1080 * Reads a MCC marker (Multiple Component Collection)
1081 *
1082 * @param p_header_data the data contained in the MCC box.
1083 * @param p_j2k the jpeg2000 codec.
1084 * @param p_header_size the size of the data contained in the MCC marker.
1085 * @param p_manager the user event manager.
1086*/
1087static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
1088 OPJ_BYTE * p_header_data,
1089 OPJ_UINT32 p_header_size,
1090 opj_event_mgr_t * p_manager);
1091
1092/**
1093 * Writes the MCO marker (Multiple component transformation ordering)
1094 *
1095 * @param p_stream the stream to write data to.
1096 * @param p_j2k J2K codec.
1097 * @param p_manager the user event manager.
1098*/
1099static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
1100 opj_stream_private_t *p_stream,
1101 opj_event_mgr_t * p_manager);
1102
1103/**
1104 * Reads a MCO marker (Multiple Component Transform Ordering)
1105 *
1106 * @param p_header_data the data contained in the MCO box.
1107 * @param p_j2k the jpeg2000 codec.
1108 * @param p_header_size the size of the data contained in the MCO marker.
1109 * @param p_manager the user event manager.
1110*/
1111static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
1112 OPJ_BYTE * p_header_data,
1113 OPJ_UINT32 p_header_size,
1114 opj_event_mgr_t * p_manager);
1115
1116static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
1117 OPJ_UINT32 p_index);
1118
1119static void opj_j2k_read_int16_to_float(const void * p_src_data,
1120 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1121static void opj_j2k_read_int32_to_float(const void * p_src_data,
1122 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1123static void opj_j2k_read_float32_to_float(const void * p_src_data,
1124 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1125static void opj_j2k_read_float64_to_float(const void * p_src_data,
1126 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1127
1128static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1129 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1130static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1131 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1132static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1133 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1134static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1135 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1136
1137static void opj_j2k_write_float_to_int16(const void * p_src_data,
1138 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1139static void opj_j2k_write_float_to_int32(const void * p_src_data,
1140 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1141static void opj_j2k_write_float_to_float(const void * p_src_data,
1142 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1143static void opj_j2k_write_float_to_float64(const void * p_src_data,
1144 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1145
1146/**
1147 * Ends the encoding, i.e. frees memory.
1148 *
1149 * @param p_stream the stream to write data to.
1150 * @param p_j2k J2K codec.
1151 * @param p_manager the user event manager.
1152*/
1153static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
1154 opj_stream_private_t *p_stream,
1155 opj_event_mgr_t * p_manager);
1156
1157/**
1158 * Writes the CBD marker (Component bit depth definition)
1159 *
1160 * @param p_stream the stream to write data to.
1161 * @param p_j2k J2K codec.
1162 * @param p_manager the user event manager.
1163*/
1164static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
1165 opj_stream_private_t *p_stream,
1166 opj_event_mgr_t * p_manager);
1167
1168/**
1169 * Reads a CBD marker (Component bit depth definition)
1170 * @param p_header_data the data contained in the CBD box.
1171 * @param p_j2k the jpeg2000 codec.
1172 * @param p_header_size the size of the data contained in the CBD marker.
1173 * @param p_manager the user event manager.
1174*/
1175static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
1176 OPJ_BYTE * p_header_data,
1177 OPJ_UINT32 p_header_size,
1178 opj_event_mgr_t * p_manager);
1179
1180/**
1181 * Reads a CAP marker (extended capabilities definition). Empty implementation.
1182 * Found in HTJ2K files
1183 *
1184 * @param p_header_data the data contained in the CAP box.
1185 * @param p_j2k the jpeg2000 codec.
1186 * @param p_header_size the size of the data contained in the CAP marker.
1187 * @param p_manager the user event manager.
1188*/
1189static OPJ_BOOL opj_j2k_read_cap(opj_j2k_t *p_j2k,
1190 OPJ_BYTE * p_header_data,
1191 OPJ_UINT32 p_header_size,
1192 opj_event_mgr_t * p_manager);
1193
1194/**
1195 * Reads a CPF marker (corresponding profile). Empty implementation. Found in HTJ2K files
1196 * @param p_header_data the data contained in the CPF box.
1197 * @param p_j2k the jpeg2000 codec.
1198 * @param p_header_size the size of the data contained in the CPF marker.
1199 * @param p_manager the user event manager.
1200*/
1201static OPJ_BOOL opj_j2k_read_cpf(opj_j2k_t *p_j2k,
1202 OPJ_BYTE * p_header_data,
1203 OPJ_UINT32 p_header_size,
1204 opj_event_mgr_t * p_manager);
1205
1206
1207/**
1208 * Writes COC marker for each component.
1209 *
1210 * @param p_stream the stream to write data to.
1211 * @param p_j2k J2K codec.
1212 * @param p_manager the user event manager.
1213*/
1214static OPJ_BOOL opj_j2k_write_all_coc(opj_j2k_t *p_j2k,
1215 opj_stream_private_t *p_stream,
1216 opj_event_mgr_t * p_manager);
1217
1218/**
1219 * Writes QCC marker for each component.
1220 *
1221 * @param p_stream the stream to write data to.
1222 * @param p_j2k J2K codec.
1223 * @param p_manager the user event manager.
1224*/
1225static OPJ_BOOL opj_j2k_write_all_qcc(opj_j2k_t *p_j2k,
1226 opj_stream_private_t *p_stream,
1227 opj_event_mgr_t * p_manager);
1228
1229/**
1230 * Writes regions of interests.
1231 *
1232 * @param p_stream the stream to write data to.
1233 * @param p_j2k J2K codec.
1234 * @param p_manager the user event manager.
1235*/
1236static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
1237 opj_stream_private_t *p_stream,
1238 opj_event_mgr_t * p_manager);
1239
1240/**
1241 * Writes EPC ????
1242 *
1243 * @param p_stream the stream to write data to.
1244 * @param p_j2k J2K codec.
1245 * @param p_manager the user event manager.
1246*/
1247static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
1248 opj_stream_private_t *p_stream,
1249 opj_event_mgr_t * p_manager);
1250
1251/**
1252 * Checks the progression order changes values. Tells of the poc given as input are valid.
1253 * A nice message is outputted at errors.
1254 *
1255 * @param p_pocs the progression order changes.
1256 * @param tileno the tile number of interest
1257 * @param p_nb_pocs the number of progression order changes.
1258 * @param p_nb_resolutions the number of resolutions.
1259 * @param numcomps the number of components
1260 * @param numlayers the number of layers.
1261 * @param p_manager the user event manager.
1262 *
1263 * @return true if the pocs are valid.
1264 */
1265static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
1266 OPJ_UINT32 tileno,
1267 OPJ_UINT32 p_nb_pocs,
1268 OPJ_UINT32 p_nb_resolutions,
1269 OPJ_UINT32 numcomps,
1270 OPJ_UINT32 numlayers,
1271 opj_event_mgr_t * p_manager);
1272
1273/**
1274 * Gets the number of tile parts used for the given change of progression (if any) and the given tile.
1275 *
1276 * @param cp the coding parameters.
1277 * @param pino the offset of the given poc (i.e. its position in the coding parameter).
1278 * @param tileno the given tile.
1279 *
1280 * @return the number of tile parts.
1281 */
1282static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
1283 OPJ_UINT32 tileno);
1284
1285/**
1286 * Calculates the total number of tile parts needed by the encoder to
1287 * encode such an image. If not enough memory is available, then the function return false.
1288 *
1289 * @param p_nb_tiles pointer that will hold the number of tile parts.
1290 * @param cp the coding parameters for the image.
1291 * @param image the image to encode.
1292 * @param p_j2k the p_j2k encoder.
1293 * @param p_manager the user event manager.
1294 *
1295 * @return true if the function was successful, false else.
1296 */
1297static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
1298 opj_cp_t *cp,
1299 OPJ_UINT32 * p_nb_tiles,
1300 opj_image_t *image,
1301 opj_event_mgr_t * p_manager);
1302
1303static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream);
1304
1305static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream);
1306
1307static opj_codestream_index_t* opj_j2k_create_cstr_index(void);
1308
1309static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp);
1310
1311static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp);
1312
1313static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres);
1314
1315static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
1316 opj_image_t *image, opj_event_mgr_t *p_manager);
1317
1318static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
1319 opj_event_mgr_t *p_manager);
1320
1321static void opj_j2k_set_imf_parameters(opj_cparameters_t *parameters,
1322 opj_image_t *image, opj_event_mgr_t *p_manager);
1323
1324static OPJ_BOOL opj_j2k_is_imf_compliant(opj_cparameters_t *parameters,
1325 opj_image_t *image,
1326 opj_event_mgr_t *p_manager);
1327
1328/**
1329 * Checks for invalid number of tile-parts in SOT marker (TPsot==TNsot). See issue 254.
1330 *
1331 * @param p_stream the stream to read data from.
1332 * @param tile_no tile number we're looking for.
1333 * @param p_correction_needed output value. if true, non conformant codestream needs TNsot correction.
1334 * @param p_manager the user event manager.
1335 *
1336 * @return true if the function was successful, false else.
1337 */
1338static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
1339 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
1340 opj_event_mgr_t * p_manager);
1341
1342/*@}*/
1343
1344/*@}*/
1345
1346/* ----------------------------------------------------------------------- */
1347typedef struct j2k_prog_order {
1348 OPJ_PROG_ORDER enum_prog;
1349 char str_prog[5];
1350} j2k_prog_order_t;
1351
1352static const j2k_prog_order_t j2k_prog_order_list[] = {
1353 {OPJ_CPRL, "CPRL"},
1354 {OPJ_LRCP, "LRCP"},
1355 {OPJ_PCRL, "PCRL"},
1356 {OPJ_RLCP, "RLCP"},
1357 {OPJ_RPCL, "RPCL"},
1358 {(OPJ_PROG_ORDER) - 1, ""}
1359};
1360
1361/**
1362 * FIXME DOC
1363 */
1364static const OPJ_UINT32 MCT_ELEMENT_SIZE [] = {
1365 2,
1366 4,
1367 4,
1368 8
1369};
1370
1371typedef void (* opj_j2k_mct_function)(const void * p_src_data,
1372 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1373
1374static const opj_j2k_mct_function j2k_mct_read_functions_to_float [] = {
1375 opj_j2k_read_int16_to_float,
1376 opj_j2k_read_int32_to_float,
1377 opj_j2k_read_float32_to_float,
1378 opj_j2k_read_float64_to_float
1379};
1380
1381static const opj_j2k_mct_function j2k_mct_read_functions_to_int32 [] = {
1382 opj_j2k_read_int16_to_int32,
1383 opj_j2k_read_int32_to_int32,
1384 opj_j2k_read_float32_to_int32,
1385 opj_j2k_read_float64_to_int32
1386};
1387
1388static const opj_j2k_mct_function j2k_mct_write_functions_from_float [] = {
1389 opj_j2k_write_float_to_int16,
1390 opj_j2k_write_float_to_int32,
1391 opj_j2k_write_float_to_float,
1392 opj_j2k_write_float_to_float64
1393};
1394
1395typedef struct opj_dec_memory_marker_handler {
1396 /** marker value */
1397 OPJ_UINT32 id;
1398 /** value of the state when the marker can appear */
1399 OPJ_UINT32 states;
1400 /** action linked to the marker */
1401 OPJ_BOOL(*handler)(opj_j2k_t *p_j2k,
1402 OPJ_BYTE * p_header_data,
1403 OPJ_UINT32 p_header_size,
1404 opj_event_mgr_t * p_manager);
1405}
1406opj_dec_memory_marker_handler_t;
1407
1408static const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab [] =
1409{
1410 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, opj_j2k_read_sot},
1411 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_cod},
1412 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_coc},
1413 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_rgn},
1414 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcd},
1415 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcc},
1416 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_poc},
1417 {J2K_MS_SIZ, J2K_STATE_MHSIZ, opj_j2k_read_siz},
1418 {J2K_MS_TLM, J2K_STATE_MH, opj_j2k_read_tlm},
1419 {J2K_MS_PLM, J2K_STATE_MH, opj_j2k_read_plm},
1420 {J2K_MS_PLT, J2K_STATE_TPH, opj_j2k_read_plt},
1421 {J2K_MS_PPM, J2K_STATE_MH, opj_j2k_read_ppm},
1422 {J2K_MS_PPT, J2K_STATE_TPH, opj_j2k_read_ppt},
1423 {J2K_MS_SOP, 0, 0},
1424 {J2K_MS_CRG, J2K_STATE_MH, opj_j2k_read_crg},
1425 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_com},
1426 {J2K_MS_MCT, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mct},
1427 {J2K_MS_CBD, J2K_STATE_MH, opj_j2k_read_cbd},
1428 {J2K_MS_CAP, J2K_STATE_MH, opj_j2k_read_cap},
1429 {J2K_MS_CPF, J2K_STATE_MH, opj_j2k_read_cpf},
1430 {J2K_MS_MCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mcc},
1431 {J2K_MS_MCO, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mco},
1432#ifdef USE_JPWL
1433#ifdef TODO_MS /* remove these functions which are not compatible with the v2 API */
1434 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1435 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1436 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1437 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1438#endif
1439#endif /* USE_JPWL */
1440#ifdef USE_JPSEC
1441 {J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec},
1442 {J2K_MS_INSEC, 0, j2k_read_insec}
1443#endif /* USE_JPSEC */
1444 {J2K_MS_UNK, J2K_STATE_MH | J2K_STATE_TPH, 0}/*opj_j2k_read_unk is directly used*/
1445};
1446
1447static void opj_j2k_read_int16_to_float(const void * p_src_data,
1448 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1449{
1450 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1451 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1452 OPJ_UINT32 i;
1453 OPJ_UINT32 l_temp;
1454
1455 for (i = 0; i < p_nb_elem; ++i) {
1456 opj_read_bytes(p_buffer: l_src_data, p_value: &l_temp, p_nb_bytes: 2);
1457
1458 l_src_data += sizeof(OPJ_INT16);
1459
1460 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1461 }
1462}
1463
1464static void opj_j2k_read_int32_to_float(const void * p_src_data,
1465 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1466{
1467 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1468 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1469 OPJ_UINT32 i;
1470 OPJ_UINT32 l_temp;
1471
1472 for (i = 0; i < p_nb_elem; ++i) {
1473 opj_read_bytes(p_buffer: l_src_data, p_value: &l_temp, p_nb_bytes: 4);
1474
1475 l_src_data += sizeof(OPJ_INT32);
1476
1477 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1478 }
1479}
1480
1481static void opj_j2k_read_float32_to_float(const void * p_src_data,
1482 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1483{
1484 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1485 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1486 OPJ_UINT32 i;
1487 OPJ_FLOAT32 l_temp;
1488
1489 for (i = 0; i < p_nb_elem; ++i) {
1490 opj_read_float(p_buffer: l_src_data, p_value: &l_temp);
1491
1492 l_src_data += sizeof(OPJ_FLOAT32);
1493
1494 *(l_dest_data++) = l_temp;
1495 }
1496}
1497
1498static void opj_j2k_read_float64_to_float(const void * p_src_data,
1499 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1500{
1501 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1502 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1503 OPJ_UINT32 i;
1504 OPJ_FLOAT64 l_temp;
1505
1506 for (i = 0; i < p_nb_elem; ++i) {
1507 opj_read_double(p_buffer: l_src_data, p_value: &l_temp);
1508
1509 l_src_data += sizeof(OPJ_FLOAT64);
1510
1511 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1512 }
1513}
1514
1515static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1516 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1517{
1518 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1519 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1520 OPJ_UINT32 i;
1521 OPJ_UINT32 l_temp;
1522
1523 for (i = 0; i < p_nb_elem; ++i) {
1524 opj_read_bytes(p_buffer: l_src_data, p_value: &l_temp, p_nb_bytes: 2);
1525
1526 l_src_data += sizeof(OPJ_INT16);
1527
1528 *(l_dest_data++) = (OPJ_INT32) l_temp;
1529 }
1530}
1531
1532static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1533 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1534{
1535 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1536 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1537 OPJ_UINT32 i;
1538 OPJ_UINT32 l_temp;
1539
1540 for (i = 0; i < p_nb_elem; ++i) {
1541 opj_read_bytes(p_buffer: l_src_data, p_value: &l_temp, p_nb_bytes: 4);
1542
1543 l_src_data += sizeof(OPJ_INT32);
1544
1545 *(l_dest_data++) = (OPJ_INT32) l_temp;
1546 }
1547}
1548
1549static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1550 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1551{
1552 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1553 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1554 OPJ_UINT32 i;
1555 OPJ_FLOAT32 l_temp;
1556
1557 for (i = 0; i < p_nb_elem; ++i) {
1558 opj_read_float(p_buffer: l_src_data, p_value: &l_temp);
1559
1560 l_src_data += sizeof(OPJ_FLOAT32);
1561
1562 *(l_dest_data++) = (OPJ_INT32) l_temp;
1563 }
1564}
1565
1566static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1567 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1568{
1569 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1570 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1571 OPJ_UINT32 i;
1572 OPJ_FLOAT64 l_temp;
1573
1574 for (i = 0; i < p_nb_elem; ++i) {
1575 opj_read_double(p_buffer: l_src_data, p_value: &l_temp);
1576
1577 l_src_data += sizeof(OPJ_FLOAT64);
1578
1579 *(l_dest_data++) = (OPJ_INT32) l_temp;
1580 }
1581}
1582
1583static void opj_j2k_write_float_to_int16(const void * p_src_data,
1584 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1585{
1586 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1587 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1588 OPJ_UINT32 i;
1589 OPJ_UINT32 l_temp;
1590
1591 for (i = 0; i < p_nb_elem; ++i) {
1592 l_temp = (OPJ_UINT32) * (l_src_data++);
1593
1594 opj_write_bytes(p_buffer: l_dest_data, p_value: l_temp, p_nb_bytes: sizeof(OPJ_INT16));
1595
1596 l_dest_data += sizeof(OPJ_INT16);
1597 }
1598}
1599
1600static void opj_j2k_write_float_to_int32(const void * p_src_data,
1601 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1602{
1603 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1604 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1605 OPJ_UINT32 i;
1606 OPJ_UINT32 l_temp;
1607
1608 for (i = 0; i < p_nb_elem; ++i) {
1609 l_temp = (OPJ_UINT32) * (l_src_data++);
1610
1611 opj_write_bytes(p_buffer: l_dest_data, p_value: l_temp, p_nb_bytes: sizeof(OPJ_INT32));
1612
1613 l_dest_data += sizeof(OPJ_INT32);
1614 }
1615}
1616
1617static void opj_j2k_write_float_to_float(const void * p_src_data,
1618 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1619{
1620 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1621 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1622 OPJ_UINT32 i;
1623 OPJ_FLOAT32 l_temp;
1624
1625 for (i = 0; i < p_nb_elem; ++i) {
1626 l_temp = (OPJ_FLOAT32) * (l_src_data++);
1627
1628 opj_write_float(p_buffer: l_dest_data, p_value: l_temp);
1629
1630 l_dest_data += sizeof(OPJ_FLOAT32);
1631 }
1632}
1633
1634static void opj_j2k_write_float_to_float64(const void * p_src_data,
1635 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1636{
1637 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1638 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1639 OPJ_UINT32 i;
1640 OPJ_FLOAT64 l_temp;
1641
1642 for (i = 0; i < p_nb_elem; ++i) {
1643 l_temp = (OPJ_FLOAT64) * (l_src_data++);
1644
1645 opj_write_double(p_buffer: l_dest_data, p_value: l_temp);
1646
1647 l_dest_data += sizeof(OPJ_FLOAT64);
1648 }
1649}
1650
1651const char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)
1652{
1653 const j2k_prog_order_t *po;
1654 for (po = j2k_prog_order_list; po->enum_prog != -1; po++) {
1655 if (po->enum_prog == prg_order) {
1656 return po->str_prog;
1657 }
1658 }
1659 return po->str_prog;
1660}
1661
1662static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
1663 OPJ_UINT32 tileno,
1664 OPJ_UINT32 p_nb_pocs,
1665 OPJ_UINT32 p_nb_resolutions,
1666 OPJ_UINT32 p_num_comps,
1667 OPJ_UINT32 p_num_layers,
1668 opj_event_mgr_t * p_manager)
1669{
1670 OPJ_UINT32* packet_array;
1671 OPJ_UINT32 index, resno, compno, layno;
1672 OPJ_UINT32 i;
1673 OPJ_UINT32 step_c = 1;
1674 OPJ_UINT32 step_r = p_num_comps * step_c;
1675 OPJ_UINT32 step_l = p_nb_resolutions * step_r;
1676 OPJ_BOOL loss = OPJ_FALSE;
1677
1678 assert(p_nb_pocs > 0);
1679
1680 packet_array = (OPJ_UINT32*) opj_calloc(numOfElements: (size_t)step_l * p_num_layers,
1681 sizeOfElements: sizeof(OPJ_UINT32));
1682 if (packet_array == 00) {
1683 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
1684 fmt: "Not enough memory for checking the poc values.\n");
1685 return OPJ_FALSE;
1686 }
1687
1688 /* iterate through all the pocs that match our tile of interest. */
1689 for (i = 0; i < p_nb_pocs; ++i) {
1690 const opj_poc_t *poc = &p_pocs[i];
1691 if (tileno + 1 == poc->tile) {
1692 index = step_r * poc->resno0;
1693
1694 /* take each resolution for each poc */
1695 for (resno = poc->resno0 ;
1696 resno < opj_uint_min(a: poc->resno1, b: p_nb_resolutions); ++resno) {
1697 OPJ_UINT32 res_index = index + poc->compno0 * step_c;
1698
1699 /* take each comp of each resolution for each poc */
1700 for (compno = poc->compno0 ;
1701 compno < opj_uint_min(a: poc->compno1, b: p_num_comps); ++compno) {
1702 /* The layer index always starts at zero for every progression. */
1703 const OPJ_UINT32 layno0 = 0;
1704 OPJ_UINT32 comp_index = res_index + layno0 * step_l;
1705
1706 /* and finally take each layer of each res of ... */
1707 for (layno = layno0; layno < opj_uint_min(a: poc->layno1, b: p_num_layers);
1708 ++layno) {
1709 packet_array[comp_index] = 1;
1710 comp_index += step_l;
1711 }
1712
1713 res_index += step_c;
1714 }
1715
1716 index += step_r;
1717 }
1718 }
1719 }
1720
1721 index = 0;
1722 for (layno = 0; layno < p_num_layers ; ++layno) {
1723 for (resno = 0; resno < p_nb_resolutions; ++resno) {
1724 for (compno = 0; compno < p_num_comps; ++compno) {
1725 loss |= (packet_array[index] != 1);
1726#ifdef DEBUG_VERBOSE
1727 if (packet_array[index] != 1) {
1728 fprintf(stderr,
1729 "Missing packet in POC: layno=%d resno=%d compno=%d\n",
1730 layno, resno, compno);
1731 }
1732#endif
1733 index += step_c;
1734 }
1735 }
1736 }
1737
1738 if (loss) {
1739 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Missing packets possible loss of data\n");
1740 }
1741
1742 opj_free(m: packet_array);
1743
1744 return !loss;
1745}
1746
1747/* ----------------------------------------------------------------------- */
1748
1749static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
1750 OPJ_UINT32 tileno)
1751{
1752 const OPJ_CHAR *prog = 00;
1753 OPJ_INT32 i;
1754 OPJ_UINT32 tpnum = 1;
1755 opj_tcp_t *tcp = 00;
1756 opj_poc_t * l_current_poc = 00;
1757
1758 /* preconditions */
1759 assert(tileno < (cp->tw * cp->th));
1760 assert(pino < (cp->tcps[tileno].numpocs + 1));
1761
1762 /* get the given tile coding parameter */
1763 tcp = &cp->tcps[tileno];
1764 assert(tcp != 00);
1765
1766 l_current_poc = &(tcp->pocs[pino]);
1767 assert(l_current_poc != 0);
1768
1769 /* get the progression order as a character string */
1770 prog = opj_j2k_convert_progression_order(prg_order: tcp->prg);
1771 assert(strlen(prog) > 0);
1772
1773 if (cp->m_specific_param.m_enc.m_tp_on == 1) {
1774 for (i = 0; i < 4; ++i) {
1775 switch (prog[i]) {
1776 /* component wise */
1777 case 'C':
1778 tpnum *= l_current_poc->compE;
1779 break;
1780 /* resolution wise */
1781 case 'R':
1782 tpnum *= l_current_poc->resE;
1783 break;
1784 /* precinct wise */
1785 case 'P':
1786 tpnum *= l_current_poc->prcE;
1787 break;
1788 /* layer wise */
1789 case 'L':
1790 tpnum *= l_current_poc->layE;
1791 break;
1792 }
1793 /* would we split here ? */
1794 if (cp->m_specific_param.m_enc.m_tp_flag == prog[i]) {
1795 cp->m_specific_param.m_enc.m_tp_pos = i;
1796 break;
1797 }
1798 }
1799 } else {
1800 tpnum = 1;
1801 }
1802
1803 return tpnum;
1804}
1805
1806static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
1807 opj_cp_t *cp,
1808 OPJ_UINT32 * p_nb_tiles,
1809 opj_image_t *image,
1810 opj_event_mgr_t * p_manager
1811 )
1812{
1813 OPJ_UINT32 pino, tileno;
1814 OPJ_UINT32 l_nb_tiles;
1815 opj_tcp_t *tcp;
1816
1817 /* preconditions */
1818 assert(p_nb_tiles != 00);
1819 assert(cp != 00);
1820 assert(image != 00);
1821 assert(p_j2k != 00);
1822 assert(p_manager != 00);
1823
1824 OPJ_UNUSED(p_j2k);
1825 OPJ_UNUSED(p_manager);
1826
1827 l_nb_tiles = cp->tw * cp->th;
1828 * p_nb_tiles = 0;
1829 tcp = cp->tcps;
1830
1831 /* INDEX >> */
1832 /* TODO mergeV2: check this part which use cstr_info */
1833 /*if (p_j2k->cstr_info) {
1834 opj_tile_info_t * l_info_tile_ptr = p_j2k->cstr_info->tile;
1835
1836 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1837 OPJ_UINT32 cur_totnum_tp = 0;
1838
1839 opj_pi_update_encoding_parameters(image,cp,tileno);
1840
1841 for (pino = 0; pino <= tcp->numpocs; ++pino)
1842 {
1843 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp,pino,tileno);
1844
1845 *p_nb_tiles = *p_nb_tiles + tp_num;
1846
1847 cur_totnum_tp += tp_num;
1848 }
1849
1850 tcp->m_nb_tile_parts = cur_totnum_tp;
1851
1852 l_info_tile_ptr->tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
1853 if (l_info_tile_ptr->tp == 00) {
1854 return OPJ_FALSE;
1855 }
1856
1857 memset(l_info_tile_ptr->tp,0,cur_totnum_tp * sizeof(opj_tp_info_t));
1858
1859 l_info_tile_ptr->num_tps = cur_totnum_tp;
1860
1861 ++l_info_tile_ptr;
1862 ++tcp;
1863 }
1864 }
1865 else */{
1866 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1867 OPJ_UINT32 cur_totnum_tp = 0;
1868
1869 opj_pi_update_encoding_parameters(p_image: image, p_cp: cp, p_tile_no: tileno);
1870
1871 for (pino = 0; pino <= tcp->numpocs; ++pino) {
1872 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp, pino, tileno);
1873
1874 *p_nb_tiles = *p_nb_tiles + tp_num;
1875
1876 cur_totnum_tp += tp_num;
1877 }
1878 tcp->m_nb_tile_parts = cur_totnum_tp;
1879
1880 ++tcp;
1881 }
1882 }
1883
1884 return OPJ_TRUE;
1885}
1886
1887static OPJ_BOOL opj_j2k_write_soc(opj_j2k_t *p_j2k,
1888 opj_stream_private_t *p_stream,
1889 opj_event_mgr_t * p_manager)
1890{
1891 /* 2 bytes will be written */
1892 OPJ_BYTE * l_start_stream = 00;
1893
1894 /* preconditions */
1895 assert(p_stream != 00);
1896 assert(p_j2k != 00);
1897 assert(p_manager != 00);
1898
1899 l_start_stream = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
1900
1901 /* write SOC identifier */
1902 opj_write_bytes(p_buffer: l_start_stream, J2K_MS_SOC, p_nb_bytes: 2);
1903
1904 if (opj_stream_write_data(p_stream, p_buffer: l_start_stream, p_size: 2, p_event_mgr: p_manager) != 2) {
1905 return OPJ_FALSE;
1906 }
1907
1908 /* UniPG>> */
1909#ifdef USE_JPWL
1910 /* update markers struct */
1911 /*
1912 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOC, p_stream_tell(p_stream) - 2, 2);
1913 */
1914 assert(0 && "TODO");
1915#endif /* USE_JPWL */
1916 /* <<UniPG */
1917
1918 return OPJ_TRUE;
1919}
1920
1921/**
1922 * Reads a SOC marker (Start of Codestream)
1923 * @param p_j2k the jpeg2000 file codec.
1924 * @param p_stream FIXME DOC
1925 * @param p_manager the user event manager.
1926*/
1927static OPJ_BOOL opj_j2k_read_soc(opj_j2k_t *p_j2k,
1928 opj_stream_private_t *p_stream,
1929 opj_event_mgr_t * p_manager
1930 )
1931{
1932 OPJ_BYTE l_data [2];
1933 OPJ_UINT32 l_marker;
1934
1935 /* preconditions */
1936 assert(p_j2k != 00);
1937 assert(p_manager != 00);
1938 assert(p_stream != 00);
1939
1940 if (opj_stream_read_data(p_stream, p_buffer: l_data, p_size: 2, p_event_mgr: p_manager) != 2) {
1941 return OPJ_FALSE;
1942 }
1943
1944 opj_read_bytes(p_buffer: l_data, p_value: &l_marker, p_nb_bytes: 2);
1945 if (l_marker != J2K_MS_SOC) {
1946 return OPJ_FALSE;
1947 }
1948
1949 /* Next marker should be a SIZ marker in the main header */
1950 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSIZ;
1951
1952 /* FIXME move it in a index structure included in p_j2k*/
1953 p_j2k->cstr_index->main_head_start = opj_stream_tell(p_stream) - 2;
1954
1955 opj_event_msg(event_mgr: p_manager, EVT_INFO,
1956 fmt: "Start to read j2k main header (%" PRId64 ").\n",
1957 p_j2k->cstr_index->main_head_start);
1958
1959 /* Add the marker to the codestream index*/
1960 if (OPJ_FALSE == opj_j2k_add_mhmarker(cstr_index: p_j2k->cstr_index, J2K_MS_SOC,
1961 pos: p_j2k->cstr_index->main_head_start, len: 2)) {
1962 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to add mh marker\n");
1963 return OPJ_FALSE;
1964 }
1965 return OPJ_TRUE;
1966}
1967
1968static OPJ_BOOL opj_j2k_write_siz(opj_j2k_t *p_j2k,
1969 opj_stream_private_t *p_stream,
1970 opj_event_mgr_t * p_manager)
1971{
1972 OPJ_UINT32 i;
1973 OPJ_UINT32 l_size_len;
1974 OPJ_BYTE * l_current_ptr;
1975 opj_image_t * l_image = 00;
1976 opj_cp_t *cp = 00;
1977 opj_image_comp_t * l_img_comp = 00;
1978
1979 /* preconditions */
1980 assert(p_stream != 00);
1981 assert(p_j2k != 00);
1982 assert(p_manager != 00);
1983
1984 l_image = p_j2k->m_private_image;
1985 cp = &(p_j2k->m_cp);
1986 l_size_len = 40 + 3 * l_image->numcomps;
1987 l_img_comp = l_image->comps;
1988
1989 if (l_size_len > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
1990
1991 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
1992 m: p_j2k->m_specific_param.m_encoder.m_header_tile_data, s: l_size_len);
1993 if (! new_header_tile_data) {
1994 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
1995 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
1996 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
1997 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory for the SIZ marker\n");
1998 return OPJ_FALSE;
1999 }
2000 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2001 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_size_len;
2002 }
2003
2004 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2005
2006 /* write SOC identifier */
2007 opj_write_bytes(p_buffer: l_current_ptr, J2K_MS_SIZ, p_nb_bytes: 2); /* SIZ */
2008 l_current_ptr += 2;
2009
2010 opj_write_bytes(p_buffer: l_current_ptr, p_value: l_size_len - 2, p_nb_bytes: 2); /* L_SIZ */
2011 l_current_ptr += 2;
2012
2013 opj_write_bytes(p_buffer: l_current_ptr, p_value: cp->rsiz, p_nb_bytes: 2); /* Rsiz (capabilities) */
2014 l_current_ptr += 2;
2015
2016 opj_write_bytes(p_buffer: l_current_ptr, p_value: l_image->x1, p_nb_bytes: 4); /* Xsiz */
2017 l_current_ptr += 4;
2018
2019 opj_write_bytes(p_buffer: l_current_ptr, p_value: l_image->y1, p_nb_bytes: 4); /* Ysiz */
2020 l_current_ptr += 4;
2021
2022 opj_write_bytes(p_buffer: l_current_ptr, p_value: l_image->x0, p_nb_bytes: 4); /* X0siz */
2023 l_current_ptr += 4;
2024
2025 opj_write_bytes(p_buffer: l_current_ptr, p_value: l_image->y0, p_nb_bytes: 4); /* Y0siz */
2026 l_current_ptr += 4;
2027
2028 opj_write_bytes(p_buffer: l_current_ptr, p_value: cp->tdx, p_nb_bytes: 4); /* XTsiz */
2029 l_current_ptr += 4;
2030
2031 opj_write_bytes(p_buffer: l_current_ptr, p_value: cp->tdy, p_nb_bytes: 4); /* YTsiz */
2032 l_current_ptr += 4;
2033
2034 opj_write_bytes(p_buffer: l_current_ptr, p_value: cp->tx0, p_nb_bytes: 4); /* XT0siz */
2035 l_current_ptr += 4;
2036
2037 opj_write_bytes(p_buffer: l_current_ptr, p_value: cp->ty0, p_nb_bytes: 4); /* YT0siz */
2038 l_current_ptr += 4;
2039
2040 opj_write_bytes(p_buffer: l_current_ptr, p_value: l_image->numcomps, p_nb_bytes: 2); /* Csiz */
2041 l_current_ptr += 2;
2042
2043 for (i = 0; i < l_image->numcomps; ++i) {
2044 /* TODO here with MCT ? */
2045 opj_write_bytes(p_buffer: l_current_ptr, p_value: l_img_comp->prec - 1 + (l_img_comp->sgnd << 7),
2046 p_nb_bytes: 1); /* Ssiz_i */
2047 ++l_current_ptr;
2048
2049 opj_write_bytes(p_buffer: l_current_ptr, p_value: l_img_comp->dx, p_nb_bytes: 1); /* XRsiz_i */
2050 ++l_current_ptr;
2051
2052 opj_write_bytes(p_buffer: l_current_ptr, p_value: l_img_comp->dy, p_nb_bytes: 1); /* YRsiz_i */
2053 ++l_current_ptr;
2054
2055 ++l_img_comp;
2056 }
2057
2058 if (opj_stream_write_data(p_stream,
2059 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_size_len,
2060 p_event_mgr: p_manager) != l_size_len) {
2061 return OPJ_FALSE;
2062 }
2063
2064 return OPJ_TRUE;
2065}
2066
2067/**
2068 * Reads a SIZ marker (image and tile size)
2069 * @param p_j2k the jpeg2000 file codec.
2070 * @param p_header_data the data contained in the SIZ box.
2071 * @param p_header_size the size of the data contained in the SIZ marker.
2072 * @param p_manager the user event manager.
2073*/
2074static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
2075 OPJ_BYTE * p_header_data,
2076 OPJ_UINT32 p_header_size,
2077 opj_event_mgr_t * p_manager
2078 )
2079{
2080 OPJ_UINT32 i;
2081 OPJ_UINT32 l_nb_comp;
2082 OPJ_UINT32 l_nb_comp_remain;
2083 OPJ_UINT32 l_remaining_size;
2084 OPJ_UINT32 l_nb_tiles;
2085 OPJ_UINT32 l_tmp, l_tx1, l_ty1;
2086 OPJ_UINT32 l_prec0, l_sgnd0;
2087 opj_image_t *l_image = 00;
2088 opj_cp_t *l_cp = 00;
2089 opj_image_comp_t * l_img_comp = 00;
2090 opj_tcp_t * l_current_tile_param = 00;
2091
2092 /* preconditions */
2093 assert(p_j2k != 00);
2094 assert(p_manager != 00);
2095 assert(p_header_data != 00);
2096
2097 l_image = p_j2k->m_private_image;
2098 l_cp = &(p_j2k->m_cp);
2099
2100 /* minimum size == 39 - 3 (= minimum component parameter) */
2101 if (p_header_size < 36) {
2102 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error with SIZ marker size\n");
2103 return OPJ_FALSE;
2104 }
2105
2106 l_remaining_size = p_header_size - 36;
2107 l_nb_comp = l_remaining_size / 3;
2108 l_nb_comp_remain = l_remaining_size % 3;
2109 if (l_nb_comp_remain != 0) {
2110 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error with SIZ marker size\n");
2111 return OPJ_FALSE;
2112 }
2113
2114 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp,
2115 p_nb_bytes: 2); /* Rsiz (capabilities) */
2116 p_header_data += 2;
2117 l_cp->rsiz = (OPJ_UINT16) l_tmp;
2118 opj_read_bytes(p_buffer: p_header_data, p_value: (OPJ_UINT32*) &l_image->x1, p_nb_bytes: 4); /* Xsiz */
2119 p_header_data += 4;
2120 opj_read_bytes(p_buffer: p_header_data, p_value: (OPJ_UINT32*) &l_image->y1, p_nb_bytes: 4); /* Ysiz */
2121 p_header_data += 4;
2122 opj_read_bytes(p_buffer: p_header_data, p_value: (OPJ_UINT32*) &l_image->x0, p_nb_bytes: 4); /* X0siz */
2123 p_header_data += 4;
2124 opj_read_bytes(p_buffer: p_header_data, p_value: (OPJ_UINT32*) &l_image->y0, p_nb_bytes: 4); /* Y0siz */
2125 p_header_data += 4;
2126 opj_read_bytes(p_buffer: p_header_data, p_value: (OPJ_UINT32*) &l_cp->tdx,
2127 p_nb_bytes: 4); /* XTsiz */
2128 p_header_data += 4;
2129 opj_read_bytes(p_buffer: p_header_data, p_value: (OPJ_UINT32*) &l_cp->tdy,
2130 p_nb_bytes: 4); /* YTsiz */
2131 p_header_data += 4;
2132 opj_read_bytes(p_buffer: p_header_data, p_value: (OPJ_UINT32*) &l_cp->tx0,
2133 p_nb_bytes: 4); /* XT0siz */
2134 p_header_data += 4;
2135 opj_read_bytes(p_buffer: p_header_data, p_value: (OPJ_UINT32*) &l_cp->ty0,
2136 p_nb_bytes: 4); /* YT0siz */
2137 p_header_data += 4;
2138 opj_read_bytes(p_buffer: p_header_data, p_value: (OPJ_UINT32*) &l_tmp,
2139 p_nb_bytes: 2); /* Csiz */
2140 p_header_data += 2;
2141 if (l_tmp < 16385) {
2142 l_image->numcomps = (OPJ_UINT16) l_tmp;
2143 } else {
2144 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2145 fmt: "Error with SIZ marker: number of component is illegal -> %d\n", l_tmp);
2146 return OPJ_FALSE;
2147 }
2148
2149 if (l_image->numcomps != l_nb_comp) {
2150 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2151 fmt: "Error with SIZ marker: number of component is not compatible with the remaining number of parameters ( %d vs %d)\n",
2152 l_image->numcomps, l_nb_comp);
2153 return OPJ_FALSE;
2154 }
2155
2156 /* testcase 4035.pdf.SIGSEGV.d8b.3375 */
2157 /* testcase issue427-null-image-size.jp2 */
2158 if ((l_image->x0 >= l_image->x1) || (l_image->y0 >= l_image->y1)) {
2159 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2160 fmt: "Error with SIZ marker: negative or zero image size (%" PRId64 " x %" PRId64
2161 ")\n", (OPJ_INT64)l_image->x1 - l_image->x0,
2162 (OPJ_INT64)l_image->y1 - l_image->y0);
2163 return OPJ_FALSE;
2164 }
2165 /* testcase 2539.pdf.SIGFPE.706.1712 (also 3622.pdf.SIGFPE.706.2916 and 4008.pdf.SIGFPE.706.3345 and maybe more) */
2166 if ((l_cp->tdx == 0U) || (l_cp->tdy == 0U)) {
2167 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2168 fmt: "Error with SIZ marker: invalid tile size (tdx: %d, tdy: %d)\n", l_cp->tdx,
2169 l_cp->tdy);
2170 return OPJ_FALSE;
2171 }
2172
2173 /* testcase issue427-illegal-tile-offset.jp2 */
2174 l_tx1 = opj_uint_adds(a: l_cp->tx0, b: l_cp->tdx); /* manage overflow */
2175 l_ty1 = opj_uint_adds(a: l_cp->ty0, b: l_cp->tdy); /* manage overflow */
2176 if ((l_cp->tx0 > l_image->x0) || (l_cp->ty0 > l_image->y0) ||
2177 (l_tx1 <= l_image->x0) || (l_ty1 <= l_image->y0)) {
2178 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2179 fmt: "Error with SIZ marker: illegal tile offset\n");
2180 return OPJ_FALSE;
2181 }
2182 if (!p_j2k->dump_state) {
2183 OPJ_UINT32 siz_w, siz_h;
2184
2185 siz_w = l_image->x1 - l_image->x0;
2186 siz_h = l_image->y1 - l_image->y0;
2187
2188 if (p_j2k->ihdr_w > 0 && p_j2k->ihdr_h > 0
2189 && (p_j2k->ihdr_w != siz_w || p_j2k->ihdr_h != siz_h)) {
2190 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2191 fmt: "Error with SIZ marker: IHDR w(%u) h(%u) vs. SIZ w(%u) h(%u)\n", p_j2k->ihdr_w,
2192 p_j2k->ihdr_h, siz_w, siz_h);
2193 return OPJ_FALSE;
2194 }
2195 }
2196#ifdef USE_JPWL
2197 if (l_cp->correct) {
2198 /* if JPWL is on, we check whether TX errors have damaged
2199 too much the SIZ parameters */
2200 if (!(l_image->x1 * l_image->y1)) {
2201 opj_event_msg(p_manager, EVT_ERROR,
2202 "JPWL: bad image size (%d x %d)\n",
2203 l_image->x1, l_image->y1);
2204 if (!JPWL_ASSUME) {
2205 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2206 return OPJ_FALSE;
2207 }
2208 }
2209
2210 /* FIXME check previously in the function so why keep this piece of code ? Need by the norm ?
2211 if (l_image->numcomps != ((len - 38) / 3)) {
2212 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2213 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
2214 l_image->numcomps, ((len - 38) / 3));
2215 if (!JPWL_ASSUME) {
2216 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2217 return OPJ_FALSE;
2218 }
2219 */ /* we try to correct */
2220 /* opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n");
2221 if (l_image->numcomps < ((len - 38) / 3)) {
2222 len = 38 + 3 * l_image->numcomps;
2223 opj_event_msg(p_manager, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
2224 len);
2225 } else {
2226 l_image->numcomps = ((len - 38) / 3);
2227 opj_event_msg(p_manager, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
2228 l_image->numcomps);
2229 }
2230 }
2231 */
2232
2233 /* update components number in the jpwl_exp_comps filed */
2234 l_cp->exp_comps = l_image->numcomps;
2235 }
2236#endif /* USE_JPWL */
2237
2238 /* Allocate the resulting image components */
2239 l_image->comps = (opj_image_comp_t*) opj_calloc(numOfElements: l_image->numcomps,
2240 sizeOfElements: sizeof(opj_image_comp_t));
2241 if (l_image->comps == 00) {
2242 l_image->numcomps = 0;
2243 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2244 fmt: "Not enough memory to take in charge SIZ marker\n");
2245 return OPJ_FALSE;
2246 }
2247
2248 l_img_comp = l_image->comps;
2249
2250 l_prec0 = 0;
2251 l_sgnd0 = 0;
2252 /* Read the component information */
2253 for (i = 0; i < l_image->numcomps; ++i) {
2254 OPJ_UINT32 tmp;
2255 opj_read_bytes(p_buffer: p_header_data, p_value: &tmp, p_nb_bytes: 1); /* Ssiz_i */
2256 ++p_header_data;
2257 l_img_comp->prec = (tmp & 0x7f) + 1;
2258 l_img_comp->sgnd = tmp >> 7;
2259
2260 if (p_j2k->dump_state == 0) {
2261 if (i == 0) {
2262 l_prec0 = l_img_comp->prec;
2263 l_sgnd0 = l_img_comp->sgnd;
2264 } else if (!l_cp->allow_different_bit_depth_sign
2265 && (l_img_comp->prec != l_prec0 || l_img_comp->sgnd != l_sgnd0)) {
2266 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
2267 fmt: "Despite JP2 BPC!=255, precision and/or sgnd values for comp[%d] is different than comp[0]:\n"
2268 " [0] prec(%d) sgnd(%d) [%d] prec(%d) sgnd(%d)\n", i, l_prec0, l_sgnd0,
2269 i, l_img_comp->prec, l_img_comp->sgnd);
2270 }
2271 /* TODO: we should perhaps also check against JP2 BPCC values */
2272 }
2273 opj_read_bytes(p_buffer: p_header_data, p_value: &tmp, p_nb_bytes: 1); /* XRsiz_i */
2274 ++p_header_data;
2275 l_img_comp->dx = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2276 opj_read_bytes(p_buffer: p_header_data, p_value: &tmp, p_nb_bytes: 1); /* YRsiz_i */
2277 ++p_header_data;
2278 l_img_comp->dy = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2279 if (l_img_comp->dx < 1 || l_img_comp->dx > 255 ||
2280 l_img_comp->dy < 1 || l_img_comp->dy > 255) {
2281 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2282 fmt: "Invalid values for comp = %d : dx=%u dy=%u (should be between 1 and 255 according to the JPEG2000 norm)\n",
2283 i, l_img_comp->dx, l_img_comp->dy);
2284 return OPJ_FALSE;
2285 }
2286 /* Avoids later undefined shift in computation of */
2287 /* p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2288 << (l_image->comps[i].prec - 1); */
2289 if (l_img_comp->prec > 31) {
2290 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2291 fmt: "Invalid values for comp = %d : prec=%u (should be between 1 and 38 according to the JPEG2000 norm. OpenJpeg only supports up to 31)\n",
2292 i, l_img_comp->prec);
2293 return OPJ_FALSE;
2294 }
2295#ifdef USE_JPWL
2296 if (l_cp->correct) {
2297 /* if JPWL is on, we check whether TX errors have damaged
2298 too much the SIZ parameters, again */
2299 if (!(l_image->comps[i].dx * l_image->comps[i].dy)) {
2300 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2301 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
2302 i, i, l_image->comps[i].dx, l_image->comps[i].dy);
2303 if (!JPWL_ASSUME) {
2304 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2305 return OPJ_FALSE;
2306 }
2307 /* we try to correct */
2308 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2309 if (!l_image->comps[i].dx) {
2310 l_image->comps[i].dx = 1;
2311 opj_event_msg(p_manager, EVT_WARNING,
2312 "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
2313 i, l_image->comps[i].dx);
2314 }
2315 if (!l_image->comps[i].dy) {
2316 l_image->comps[i].dy = 1;
2317 opj_event_msg(p_manager, EVT_WARNING,
2318 "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
2319 i, l_image->comps[i].dy);
2320 }
2321 }
2322 }
2323#endif /* USE_JPWL */
2324 l_img_comp->resno_decoded =
2325 0; /* number of resolution decoded */
2326 l_img_comp->factor =
2327 l_cp->m_specific_param.m_dec.m_reduce; /* reducing factor per component */
2328 ++l_img_comp;
2329 }
2330
2331 if (l_cp->tdx == 0 || l_cp->tdy == 0) {
2332 return OPJ_FALSE;
2333 }
2334
2335 /* Compute the number of tiles */
2336 l_cp->tw = opj_uint_ceildiv(a: l_image->x1 - l_cp->tx0, b: l_cp->tdx);
2337 l_cp->th = opj_uint_ceildiv(a: l_image->y1 - l_cp->ty0, b: l_cp->tdy);
2338
2339 /* Check that the number of tiles is valid */
2340 if (l_cp->tw == 0 || l_cp->th == 0 || l_cp->tw > 65535 / l_cp->th) {
2341 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2342 fmt: "Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
2343 l_cp->tw, l_cp->th);
2344 return OPJ_FALSE;
2345 }
2346 l_nb_tiles = l_cp->tw * l_cp->th;
2347
2348 /* Define the tiles which will be decoded */
2349 if (p_j2k->m_specific_param.m_decoder.m_discard_tiles) {
2350 p_j2k->m_specific_param.m_decoder.m_start_tile_x =
2351 (p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
2352 p_j2k->m_specific_param.m_decoder.m_start_tile_y =
2353 (p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
2354 p_j2k->m_specific_param.m_decoder.m_end_tile_x = opj_uint_ceildiv(
2355 a: p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0,
2356 b: l_cp->tdx);
2357 p_j2k->m_specific_param.m_decoder.m_end_tile_y = opj_uint_ceildiv(
2358 a: p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0,
2359 b: l_cp->tdy);
2360 } else {
2361 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
2362 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
2363 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
2364 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
2365 }
2366
2367#ifdef USE_JPWL
2368 if (l_cp->correct) {
2369 /* if JPWL is on, we check whether TX errors have damaged
2370 too much the SIZ parameters */
2371 if ((l_cp->tw < 1) || (l_cp->th < 1) || (l_cp->tw > l_cp->max_tiles) ||
2372 (l_cp->th > l_cp->max_tiles)) {
2373 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2374 "JPWL: bad number of tiles (%d x %d)\n",
2375 l_cp->tw, l_cp->th);
2376 if (!JPWL_ASSUME) {
2377 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2378 return OPJ_FALSE;
2379 }
2380 /* we try to correct */
2381 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2382 if (l_cp->tw < 1) {
2383 l_cp->tw = 1;
2384 opj_event_msg(p_manager, EVT_WARNING,
2385 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2386 l_cp->tw);
2387 }
2388 if (l_cp->tw > l_cp->max_tiles) {
2389 l_cp->tw = 1;
2390 opj_event_msg(p_manager, EVT_WARNING,
2391 "- too large x, increase expectance of %d\n"
2392 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2393 l_cp->max_tiles, l_cp->tw);
2394 }
2395 if (l_cp->th < 1) {
2396 l_cp->th = 1;
2397 opj_event_msg(p_manager, EVT_WARNING,
2398 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2399 l_cp->th);
2400 }
2401 if (l_cp->th > l_cp->max_tiles) {
2402 l_cp->th = 1;
2403 opj_event_msg(p_manager, EVT_WARNING,
2404 "- too large y, increase expectance of %d to continue\n",
2405 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2406 l_cp->max_tiles, l_cp->th);
2407 }
2408 }
2409 }
2410#endif /* USE_JPWL */
2411
2412 /* memory allocations */
2413 l_cp->tcps = (opj_tcp_t*) opj_calloc(numOfElements: l_nb_tiles, sizeOfElements: sizeof(opj_tcp_t));
2414 if (l_cp->tcps == 00) {
2415 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2416 fmt: "Not enough memory to take in charge SIZ marker\n");
2417 return OPJ_FALSE;
2418 }
2419
2420#ifdef USE_JPWL
2421 if (l_cp->correct) {
2422 if (!l_cp->tcps) {
2423 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2424 "JPWL: could not alloc tcps field of cp\n");
2425 if (!JPWL_ASSUME) {
2426 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2427 return OPJ_FALSE;
2428 }
2429 }
2430 }
2431#endif /* USE_JPWL */
2432
2433 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps =
2434 (opj_tccp_t*) opj_calloc(numOfElements: l_image->numcomps, sizeOfElements: sizeof(opj_tccp_t));
2435 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps == 00) {
2436 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2437 fmt: "Not enough memory to take in charge SIZ marker\n");
2438 return OPJ_FALSE;
2439 }
2440
2441 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records =
2442 (opj_mct_data_t*)opj_calloc(OPJ_J2K_MCT_DEFAULT_NB_RECORDS,
2443 sizeOfElements: sizeof(opj_mct_data_t));
2444
2445 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records) {
2446 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2447 fmt: "Not enough memory to take in charge SIZ marker\n");
2448 return OPJ_FALSE;
2449 }
2450 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records =
2451 OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
2452
2453 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records =
2454 (opj_simple_mcc_decorrelation_data_t*)
2455 opj_calloc(OPJ_J2K_MCC_DEFAULT_NB_RECORDS,
2456 sizeOfElements: sizeof(opj_simple_mcc_decorrelation_data_t));
2457
2458 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records) {
2459 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2460 fmt: "Not enough memory to take in charge SIZ marker\n");
2461 return OPJ_FALSE;
2462 }
2463 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records =
2464 OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
2465
2466 /* set up default dc level shift */
2467 for (i = 0; i < l_image->numcomps; ++i) {
2468 if (! l_image->comps[i].sgnd) {
2469 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2470 << (l_image->comps[i].prec - 1);
2471 }
2472 }
2473
2474 l_current_tile_param = l_cp->tcps;
2475 for (i = 0; i < l_nb_tiles; ++i) {
2476 l_current_tile_param->tccps = (opj_tccp_t*) opj_calloc(numOfElements: l_image->numcomps,
2477 sizeOfElements: sizeof(opj_tccp_t));
2478 if (l_current_tile_param->tccps == 00) {
2479 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2480 fmt: "Not enough memory to take in charge SIZ marker\n");
2481 return OPJ_FALSE;
2482 }
2483
2484 ++l_current_tile_param;
2485 }
2486
2487 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MH;
2488 opj_image_comp_header_update(p_image: l_image, p_cp: l_cp);
2489
2490 return OPJ_TRUE;
2491}
2492
2493static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
2494 opj_stream_private_t *p_stream,
2495 opj_event_mgr_t * p_manager
2496 )
2497{
2498 OPJ_UINT32 l_comment_size;
2499 OPJ_UINT32 l_total_com_size;
2500 const OPJ_CHAR *l_comment;
2501 OPJ_BYTE * l_current_ptr = 00;
2502
2503 /* preconditions */
2504 assert(p_j2k != 00);
2505 assert(p_stream != 00);
2506 assert(p_manager != 00);
2507
2508 l_comment = p_j2k->m_cp.comment;
2509 l_comment_size = (OPJ_UINT32)strlen(s: l_comment);
2510 l_total_com_size = l_comment_size + 6;
2511
2512 if (l_total_com_size >
2513 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2514 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2515 m: p_j2k->m_specific_param.m_encoder.m_header_tile_data, s: l_total_com_size);
2516 if (! new_header_tile_data) {
2517 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2518 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2519 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2520 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2521 fmt: "Not enough memory to write the COM marker\n");
2522 return OPJ_FALSE;
2523 }
2524 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2525 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_total_com_size;
2526 }
2527
2528 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2529
2530 opj_write_bytes(p_buffer: l_current_ptr, J2K_MS_COM, p_nb_bytes: 2); /* COM */
2531 l_current_ptr += 2;
2532
2533 opj_write_bytes(p_buffer: l_current_ptr, p_value: l_total_com_size - 2, p_nb_bytes: 2); /* L_COM */
2534 l_current_ptr += 2;
2535
2536 opj_write_bytes(p_buffer: l_current_ptr, p_value: 1,
2537 p_nb_bytes: 2); /* General use (IS 8859-15:1999 (Latin) values) */
2538 l_current_ptr += 2;
2539
2540 memcpy(dest: l_current_ptr, src: l_comment, n: l_comment_size);
2541
2542 if (opj_stream_write_data(p_stream,
2543 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_total_com_size,
2544 p_event_mgr: p_manager) != l_total_com_size) {
2545 return OPJ_FALSE;
2546 }
2547
2548 return OPJ_TRUE;
2549}
2550
2551/**
2552 * Reads a COM marker (comments)
2553 * @param p_j2k the jpeg2000 file codec.
2554 * @param p_header_data the data contained in the COM box.
2555 * @param p_header_size the size of the data contained in the COM marker.
2556 * @param p_manager the user event manager.
2557*/
2558static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
2559 OPJ_BYTE * p_header_data,
2560 OPJ_UINT32 p_header_size,
2561 opj_event_mgr_t * p_manager
2562 )
2563{
2564 /* preconditions */
2565 assert(p_j2k != 00);
2566 assert(p_manager != 00);
2567 assert(p_header_data != 00);
2568
2569 OPJ_UNUSED(p_j2k);
2570 OPJ_UNUSED(p_header_data);
2571 OPJ_UNUSED(p_header_size);
2572 OPJ_UNUSED(p_manager);
2573
2574 return OPJ_TRUE;
2575}
2576
2577static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
2578 opj_stream_private_t *p_stream,
2579 opj_event_mgr_t * p_manager)
2580{
2581 opj_cp_t *l_cp = 00;
2582 opj_tcp_t *l_tcp = 00;
2583 OPJ_UINT32 l_code_size, l_remaining_size;
2584 OPJ_BYTE * l_current_data = 00;
2585
2586 /* preconditions */
2587 assert(p_j2k != 00);
2588 assert(p_manager != 00);
2589 assert(p_stream != 00);
2590
2591 l_cp = &(p_j2k->m_cp);
2592 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2593 l_code_size = 9 + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2594 p_tile_no: p_j2k->m_current_tile_number, p_comp_no: 0);
2595 l_remaining_size = l_code_size;
2596
2597 if (l_code_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2598 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2599 m: p_j2k->m_specific_param.m_encoder.m_header_tile_data, s: l_code_size);
2600 if (! new_header_tile_data) {
2601 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2602 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2603 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2604 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to write COD marker\n");
2605 return OPJ_FALSE;
2606 }
2607 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2608 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_code_size;
2609 }
2610
2611 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2612
2613 opj_write_bytes(p_buffer: l_current_data, J2K_MS_COD, p_nb_bytes: 2); /* COD */
2614 l_current_data += 2;
2615
2616 opj_write_bytes(p_buffer: l_current_data, p_value: l_code_size - 2, p_nb_bytes: 2); /* L_COD */
2617 l_current_data += 2;
2618
2619 opj_write_bytes(p_buffer: l_current_data, p_value: l_tcp->csty, p_nb_bytes: 1); /* Scod */
2620 ++l_current_data;
2621
2622 opj_write_bytes(p_buffer: l_current_data, p_value: (OPJ_UINT32)l_tcp->prg, p_nb_bytes: 1); /* SGcod (A) */
2623 ++l_current_data;
2624
2625 opj_write_bytes(p_buffer: l_current_data, p_value: l_tcp->numlayers, p_nb_bytes: 2); /* SGcod (B) */
2626 l_current_data += 2;
2627
2628 opj_write_bytes(p_buffer: l_current_data, p_value: l_tcp->mct, p_nb_bytes: 1); /* SGcod (C) */
2629 ++l_current_data;
2630
2631 l_remaining_size -= 9;
2632
2633 if (! opj_j2k_write_SPCod_SPCoc(p_j2k, p_tile_no: p_j2k->m_current_tile_number, p_comp_no: 0,
2634 p_data: l_current_data, p_header_size: &l_remaining_size, p_manager)) {
2635 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error writing COD marker\n");
2636 return OPJ_FALSE;
2637 }
2638
2639 if (l_remaining_size != 0) {
2640 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error writing COD marker\n");
2641 return OPJ_FALSE;
2642 }
2643
2644 if (opj_stream_write_data(p_stream,
2645 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_code_size,
2646 p_event_mgr: p_manager) != l_code_size) {
2647 return OPJ_FALSE;
2648 }
2649
2650 return OPJ_TRUE;
2651}
2652
2653/**
2654 * Reads a COD marker (Coding style defaults)
2655 * @param p_header_data the data contained in the COD box.
2656 * @param p_j2k the jpeg2000 codec.
2657 * @param p_header_size the size of the data contained in the COD marker.
2658 * @param p_manager the user event manager.
2659*/
2660static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
2661 OPJ_BYTE * p_header_data,
2662 OPJ_UINT32 p_header_size,
2663 opj_event_mgr_t * p_manager
2664 )
2665{
2666 /* loop */
2667 OPJ_UINT32 i;
2668 OPJ_UINT32 l_tmp;
2669 opj_cp_t *l_cp = 00;
2670 opj_tcp_t *l_tcp = 00;
2671 opj_image_t *l_image = 00;
2672
2673 /* preconditions */
2674 assert(p_header_data != 00);
2675 assert(p_j2k != 00);
2676 assert(p_manager != 00);
2677
2678 l_image = p_j2k->m_private_image;
2679 l_cp = &(p_j2k->m_cp);
2680
2681 /* If we are in the first tile-part header of the current tile */
2682 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
2683 &l_cp->tcps[p_j2k->m_current_tile_number] :
2684 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2685
2686#if 0
2687 /* This check was added per https://github.com/uclouvain/openjpeg/commit/daed8cc9195555e101ab708a501af2dfe6d5e001 */
2688 /* but this is no longer necessary to handle issue476.jp2 */
2689 /* and this actually cause issues on legit files. See https://github.com/uclouvain/openjpeg/issues/1043 */
2690 /* Only one COD per tile */
2691 if (l_tcp->cod) {
2692 opj_event_msg(p_manager, EVT_ERROR,
2693 "COD marker already read. No more than one COD marker per tile.\n");
2694 return OPJ_FALSE;
2695 }
2696#endif
2697 l_tcp->cod = 1;
2698
2699 /* Make sure room is sufficient */
2700 if (p_header_size < 5) {
2701 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading COD marker\n");
2702 return OPJ_FALSE;
2703 }
2704
2705 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tcp->csty, p_nb_bytes: 1); /* Scod */
2706 ++p_header_data;
2707 /* Make sure we know how to decode this */
2708 if ((l_tcp->csty & ~(OPJ_UINT32)(J2K_CP_CSTY_PRT | J2K_CP_CSTY_SOP |
2709 J2K_CP_CSTY_EPH)) != 0U) {
2710 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Unknown Scod value in COD marker\n");
2711 return OPJ_FALSE;
2712 }
2713 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp, p_nb_bytes: 1); /* SGcod (A) */
2714 ++p_header_data;
2715 l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;
2716 /* Make sure progression order is valid */
2717 if (l_tcp->prg > OPJ_CPRL) {
2718 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2719 fmt: "Unknown progression order in COD marker\n");
2720 l_tcp->prg = OPJ_PROG_UNKNOWN;
2721 }
2722 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tcp->numlayers, p_nb_bytes: 2); /* SGcod (B) */
2723 p_header_data += 2;
2724
2725 if ((l_tcp->numlayers < 1U) || (l_tcp->numlayers > 65535U)) {
2726 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2727 fmt: "Invalid number of layers in COD marker : %d not in range [1-65535]\n",
2728 l_tcp->numlayers);
2729 return OPJ_FALSE;
2730 }
2731
2732 /* If user didn't set a number layer to decode take the max specify in the codestream. */
2733 if (l_cp->m_specific_param.m_dec.m_layer) {
2734 l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer;
2735 } else {
2736 l_tcp->num_layers_to_decode = l_tcp->numlayers;
2737 }
2738
2739 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tcp->mct, p_nb_bytes: 1); /* SGcod (C) */
2740 ++p_header_data;
2741
2742 if (l_tcp->mct > 1) {
2743 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2744 fmt: "Invalid multiple component transformation\n");
2745 return OPJ_FALSE;
2746 }
2747
2748 p_header_size -= 5;
2749 for (i = 0; i < l_image->numcomps; ++i) {
2750 l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT;
2751 }
2752
2753 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, compno: 0, p_header_data, p_header_size: &p_header_size,
2754 p_manager)) {
2755 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading COD marker\n");
2756 return OPJ_FALSE;
2757 }
2758
2759 if (p_header_size != 0) {
2760 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading COD marker\n");
2761 return OPJ_FALSE;
2762 }
2763
2764 /* Apply the coding style to other components of the current tile or the m_default_tcp*/
2765 opj_j2k_copy_tile_component_parameters(p_j2k);
2766
2767 /* Index */
2768#ifdef WIP_REMOVE_MSD
2769 if (p_j2k->cstr_info) {
2770 /*opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info;*/
2771 p_j2k->cstr_info->prog = l_tcp->prg;
2772 p_j2k->cstr_info->numlayers = l_tcp->numlayers;
2773 p_j2k->cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(
2774 l_image->numcomps * sizeof(OPJ_UINT32));
2775 if (!p_j2k->cstr_info->numdecompos) {
2776 return OPJ_FALSE;
2777 }
2778 for (i = 0; i < l_image->numcomps; ++i) {
2779 p_j2k->cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1;
2780 }
2781 }
2782#endif
2783
2784 return OPJ_TRUE;
2785}
2786
2787static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
2788 OPJ_UINT32 p_comp_no,
2789 opj_stream_private_t *p_stream,
2790 opj_event_mgr_t * p_manager)
2791{
2792 OPJ_UINT32 l_coc_size, l_remaining_size;
2793 OPJ_UINT32 l_comp_room;
2794
2795 /* preconditions */
2796 assert(p_j2k != 00);
2797 assert(p_manager != 00);
2798 assert(p_stream != 00);
2799
2800 l_comp_room = (p_j2k->m_private_image->numcomps <= 256) ? 1 : 2;
2801
2802 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2803 p_tile_no: p_j2k->m_current_tile_number, p_comp_no);
2804
2805 if (l_coc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2806 OPJ_BYTE *new_header_tile_data;
2807 /*p_j2k->m_specific_param.m_encoder.m_header_tile_data
2808 = (OPJ_BYTE*)opj_realloc(
2809 p_j2k->m_specific_param.m_encoder.m_header_tile_data,
2810 l_coc_size);*/
2811
2812 new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2813 m: p_j2k->m_specific_param.m_encoder.m_header_tile_data, s: l_coc_size);
2814 if (! new_header_tile_data) {
2815 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2816 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2817 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2818 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to write COC marker\n");
2819 return OPJ_FALSE;
2820 }
2821 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2822 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size;
2823 }
2824
2825 opj_j2k_write_coc_in_memory(p_j2k, p_comp_no,
2826 p_data: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_data_written: &l_remaining_size,
2827 p_manager);
2828
2829 if (opj_stream_write_data(p_stream,
2830 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_coc_size,
2831 p_event_mgr: p_manager) != l_coc_size) {
2832 return OPJ_FALSE;
2833 }
2834
2835 return OPJ_TRUE;
2836}
2837
2838static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
2839 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
2840{
2841 opj_cp_t *l_cp = NULL;
2842 opj_tcp_t *l_tcp = NULL;
2843
2844 /* preconditions */
2845 assert(p_j2k != 00);
2846
2847 l_cp = &(p_j2k->m_cp);
2848 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2849
2850 if (l_tcp->tccps[p_first_comp_no].csty != l_tcp->tccps[p_second_comp_no].csty) {
2851 return OPJ_FALSE;
2852 }
2853
2854
2855 return opj_j2k_compare_SPCod_SPCoc(p_j2k, p_tile_no: p_j2k->m_current_tile_number,
2856 p_first_comp_no, p_second_comp_no);
2857}
2858
2859static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
2860 OPJ_UINT32 p_comp_no,
2861 OPJ_BYTE * p_data,
2862 OPJ_UINT32 * p_data_written,
2863 opj_event_mgr_t * p_manager
2864 )
2865{
2866 opj_cp_t *l_cp = 00;
2867 opj_tcp_t *l_tcp = 00;
2868 OPJ_UINT32 l_coc_size, l_remaining_size;
2869 OPJ_BYTE * l_current_data = 00;
2870 opj_image_t *l_image = 00;
2871 OPJ_UINT32 l_comp_room;
2872
2873 /* preconditions */
2874 assert(p_j2k != 00);
2875 assert(p_manager != 00);
2876
2877 l_cp = &(p_j2k->m_cp);
2878 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2879 l_image = p_j2k->m_private_image;
2880 l_comp_room = (l_image->numcomps <= 256) ? 1 : 2;
2881
2882 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2883 p_tile_no: p_j2k->m_current_tile_number, p_comp_no);
2884 l_remaining_size = l_coc_size;
2885
2886 l_current_data = p_data;
2887
2888 opj_write_bytes(p_buffer: l_current_data, J2K_MS_COC,
2889 p_nb_bytes: 2); /* COC */
2890 l_current_data += 2;
2891
2892 opj_write_bytes(p_buffer: l_current_data, p_value: l_coc_size - 2,
2893 p_nb_bytes: 2); /* L_COC */
2894 l_current_data += 2;
2895
2896 opj_write_bytes(p_buffer: l_current_data, p_value: p_comp_no, p_nb_bytes: l_comp_room); /* Ccoc */
2897 l_current_data += l_comp_room;
2898
2899 opj_write_bytes(p_buffer: l_current_data, p_value: l_tcp->tccps[p_comp_no].csty,
2900 p_nb_bytes: 1); /* Scoc */
2901 ++l_current_data;
2902
2903 l_remaining_size -= (5 + l_comp_room);
2904 opj_j2k_write_SPCod_SPCoc(p_j2k, p_tile_no: p_j2k->m_current_tile_number, p_comp_no: 0,
2905 p_data: l_current_data, p_header_size: &l_remaining_size, p_manager);
2906 * p_data_written = l_coc_size;
2907}
2908
2909static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k)
2910{
2911 OPJ_UINT32 i, j;
2912 OPJ_UINT32 l_nb_comp;
2913 OPJ_UINT32 l_nb_tiles;
2914 OPJ_UINT32 l_max = 0;
2915
2916 /* preconditions */
2917
2918 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
2919 l_nb_comp = p_j2k->m_private_image->numcomps;
2920
2921 for (i = 0; i < l_nb_tiles; ++i) {
2922 for (j = 0; j < l_nb_comp; ++j) {
2923 l_max = opj_uint_max(a: l_max, b: opj_j2k_get_SPCod_SPCoc_size(p_j2k, p_tile_no: i, p_comp_no: j));
2924 }
2925 }
2926
2927 return 6 + l_max;
2928}
2929
2930/**
2931 * Reads a COC marker (Coding Style Component)
2932 * @param p_header_data the data contained in the COC box.
2933 * @param p_j2k the jpeg2000 codec.
2934 * @param p_header_size the size of the data contained in the COC marker.
2935 * @param p_manager the user event manager.
2936*/
2937static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
2938 OPJ_BYTE * p_header_data,
2939 OPJ_UINT32 p_header_size,
2940 opj_event_mgr_t * p_manager
2941 )
2942{
2943 opj_cp_t *l_cp = NULL;
2944 opj_tcp_t *l_tcp = NULL;
2945 opj_image_t *l_image = NULL;
2946 OPJ_UINT32 l_comp_room;
2947 OPJ_UINT32 l_comp_no;
2948
2949 /* preconditions */
2950 assert(p_header_data != 00);
2951 assert(p_j2k != 00);
2952 assert(p_manager != 00);
2953
2954 l_cp = &(p_j2k->m_cp);
2955 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
2956 ?
2957 &l_cp->tcps[p_j2k->m_current_tile_number] :
2958 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2959 l_image = p_j2k->m_private_image;
2960
2961 l_comp_room = l_image->numcomps <= 256 ? 1 : 2;
2962
2963 /* make sure room is sufficient*/
2964 if (p_header_size < l_comp_room + 1) {
2965 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading COC marker\n");
2966 return OPJ_FALSE;
2967 }
2968 p_header_size -= l_comp_room + 1;
2969
2970 opj_read_bytes(p_buffer: p_header_data, p_value: &l_comp_no,
2971 p_nb_bytes: l_comp_room); /* Ccoc */
2972 p_header_data += l_comp_room;
2973 if (l_comp_no >= l_image->numcomps) {
2974 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
2975 fmt: "Error reading COC marker (bad number of components)\n");
2976 return OPJ_FALSE;
2977 }
2978
2979 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tcp->tccps[l_comp_no].csty,
2980 p_nb_bytes: 1); /* Scoc */
2981 ++p_header_data ;
2982
2983 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, compno: l_comp_no, p_header_data, p_header_size: &p_header_size,
2984 p_manager)) {
2985 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading COC marker\n");
2986 return OPJ_FALSE;
2987 }
2988
2989 if (p_header_size != 0) {
2990 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading COC marker\n");
2991 return OPJ_FALSE;
2992 }
2993 return OPJ_TRUE;
2994}
2995
2996static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
2997 opj_stream_private_t *p_stream,
2998 opj_event_mgr_t * p_manager
2999 )
3000{
3001 OPJ_UINT32 l_qcd_size, l_remaining_size;
3002 OPJ_BYTE * l_current_data = 00;
3003
3004 /* preconditions */
3005 assert(p_j2k != 00);
3006 assert(p_manager != 00);
3007 assert(p_stream != 00);
3008
3009 l_qcd_size = 4 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_tile_no: p_j2k->m_current_tile_number,
3010 p_comp_no: 0);
3011 l_remaining_size = l_qcd_size;
3012
3013 if (l_qcd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3014 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3015 m: p_j2k->m_specific_param.m_encoder.m_header_tile_data, s: l_qcd_size);
3016 if (! new_header_tile_data) {
3017 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3018 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3019 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3020 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to write QCD marker\n");
3021 return OPJ_FALSE;
3022 }
3023 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3024 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcd_size;
3025 }
3026
3027 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
3028
3029 opj_write_bytes(p_buffer: l_current_data, J2K_MS_QCD, p_nb_bytes: 2); /* QCD */
3030 l_current_data += 2;
3031
3032 opj_write_bytes(p_buffer: l_current_data, p_value: l_qcd_size - 2, p_nb_bytes: 2); /* L_QCD */
3033 l_current_data += 2;
3034
3035 l_remaining_size -= 4;
3036
3037 if (! opj_j2k_write_SQcd_SQcc(p_j2k, p_tile_no: p_j2k->m_current_tile_number, p_comp_no: 0,
3038 p_data: l_current_data, p_header_size: &l_remaining_size, p_manager)) {
3039 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error writing QCD marker\n");
3040 return OPJ_FALSE;
3041 }
3042
3043 if (l_remaining_size != 0) {
3044 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error writing QCD marker\n");
3045 return OPJ_FALSE;
3046 }
3047
3048 if (opj_stream_write_data(p_stream,
3049 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_qcd_size,
3050 p_event_mgr: p_manager) != l_qcd_size) {
3051 return OPJ_FALSE;
3052 }
3053
3054 return OPJ_TRUE;
3055}
3056
3057/**
3058 * Reads a QCD marker (Quantization defaults)
3059 * @param p_header_data the data contained in the QCD box.
3060 * @param p_j2k the jpeg2000 codec.
3061 * @param p_header_size the size of the data contained in the QCD marker.
3062 * @param p_manager the user event manager.
3063*/
3064static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
3065 OPJ_BYTE * p_header_data,
3066 OPJ_UINT32 p_header_size,
3067 opj_event_mgr_t * p_manager
3068 )
3069{
3070 /* preconditions */
3071 assert(p_header_data != 00);
3072 assert(p_j2k != 00);
3073 assert(p_manager != 00);
3074
3075 if (! opj_j2k_read_SQcd_SQcc(p_j2k, compno: 0, p_header_data, p_header_size: &p_header_size,
3076 p_manager)) {
3077 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading QCD marker\n");
3078 return OPJ_FALSE;
3079 }
3080
3081 if (p_header_size != 0) {
3082 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading QCD marker\n");
3083 return OPJ_FALSE;
3084 }
3085
3086 /* Apply the quantization parameters to other components of the current tile or the m_default_tcp */
3087 opj_j2k_copy_tile_quantization_parameters(p_j2k);
3088
3089 return OPJ_TRUE;
3090}
3091
3092static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
3093 OPJ_UINT32 p_comp_no,
3094 opj_stream_private_t *p_stream,
3095 opj_event_mgr_t * p_manager
3096 )
3097{
3098 OPJ_UINT32 l_qcc_size, l_remaining_size;
3099
3100 /* preconditions */
3101 assert(p_j2k != 00);
3102 assert(p_manager != 00);
3103 assert(p_stream != 00);
3104
3105 l_qcc_size = 5 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_tile_no: p_j2k->m_current_tile_number,
3106 p_comp_no);
3107 l_qcc_size += p_j2k->m_private_image->numcomps <= 256 ? 0 : 1;
3108 l_remaining_size = l_qcc_size;
3109
3110 if (l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3111 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3112 m: p_j2k->m_specific_param.m_encoder.m_header_tile_data, s: l_qcc_size);
3113 if (! new_header_tile_data) {
3114 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3115 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3116 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3117 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to write QCC marker\n");
3118 return OPJ_FALSE;
3119 }
3120 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3121 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size;
3122 }
3123
3124 opj_j2k_write_qcc_in_memory(p_j2k, p_comp_no,
3125 p_data: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_data_written: &l_remaining_size,
3126 p_manager);
3127
3128 if (opj_stream_write_data(p_stream,
3129 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_qcc_size,
3130 p_event_mgr: p_manager) != l_qcc_size) {
3131 return OPJ_FALSE;
3132 }
3133
3134 return OPJ_TRUE;
3135}
3136
3137static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
3138 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
3139{
3140 return opj_j2k_compare_SQcd_SQcc(p_j2k, p_tile_no: p_j2k->m_current_tile_number,
3141 p_first_comp_no, p_second_comp_no);
3142}
3143
3144static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
3145 OPJ_UINT32 p_comp_no,
3146 OPJ_BYTE * p_data,
3147 OPJ_UINT32 * p_data_written,
3148 opj_event_mgr_t * p_manager
3149 )
3150{
3151 OPJ_UINT32 l_qcc_size, l_remaining_size;
3152 OPJ_BYTE * l_current_data = 00;
3153
3154 /* preconditions */
3155 assert(p_j2k != 00);
3156 assert(p_manager != 00);
3157
3158 l_qcc_size = 6 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_tile_no: p_j2k->m_current_tile_number,
3159 p_comp_no);
3160 l_remaining_size = l_qcc_size;
3161
3162 l_current_data = p_data;
3163
3164 opj_write_bytes(p_buffer: l_current_data, J2K_MS_QCC, p_nb_bytes: 2); /* QCC */
3165 l_current_data += 2;
3166
3167 if (p_j2k->m_private_image->numcomps <= 256) {
3168 --l_qcc_size;
3169
3170 opj_write_bytes(p_buffer: l_current_data, p_value: l_qcc_size - 2, p_nb_bytes: 2); /* L_QCC */
3171 l_current_data += 2;
3172
3173 opj_write_bytes(p_buffer: l_current_data, p_value: p_comp_no, p_nb_bytes: 1); /* Cqcc */
3174 ++l_current_data;
3175
3176 /* in the case only one byte is sufficient the last byte allocated is useless -> still do -6 for available */
3177 l_remaining_size -= 6;
3178 } else {
3179 opj_write_bytes(p_buffer: l_current_data, p_value: l_qcc_size - 2, p_nb_bytes: 2); /* L_QCC */
3180 l_current_data += 2;
3181
3182 opj_write_bytes(p_buffer: l_current_data, p_value: p_comp_no, p_nb_bytes: 2); /* Cqcc */
3183 l_current_data += 2;
3184
3185 l_remaining_size -= 6;
3186 }
3187
3188 opj_j2k_write_SQcd_SQcc(p_j2k, p_tile_no: p_j2k->m_current_tile_number, p_comp_no,
3189 p_data: l_current_data, p_header_size: &l_remaining_size, p_manager);
3190
3191 *p_data_written = l_qcc_size;
3192}
3193
3194static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k)
3195{
3196 return opj_j2k_get_max_coc_size(p_j2k);
3197}
3198
3199/**
3200 * Reads a QCC marker (Quantization component)
3201 * @param p_header_data the data contained in the QCC box.
3202 * @param p_j2k the jpeg2000 codec.
3203 * @param p_header_size the size of the data contained in the QCC marker.
3204 * @param p_manager the user event manager.
3205*/
3206static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
3207 OPJ_BYTE * p_header_data,
3208 OPJ_UINT32 p_header_size,
3209 opj_event_mgr_t * p_manager
3210 )
3211{
3212 OPJ_UINT32 l_num_comp, l_comp_no;
3213
3214 /* preconditions */
3215 assert(p_header_data != 00);
3216 assert(p_j2k != 00);
3217 assert(p_manager != 00);
3218
3219 l_num_comp = p_j2k->m_private_image->numcomps;
3220
3221 if (l_num_comp <= 256) {
3222 if (p_header_size < 1) {
3223 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading QCC marker\n");
3224 return OPJ_FALSE;
3225 }
3226 opj_read_bytes(p_buffer: p_header_data, p_value: &l_comp_no, p_nb_bytes: 1);
3227 ++p_header_data;
3228 --p_header_size;
3229 } else {
3230 if (p_header_size < 2) {
3231 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading QCC marker\n");
3232 return OPJ_FALSE;
3233 }
3234 opj_read_bytes(p_buffer: p_header_data, p_value: &l_comp_no, p_nb_bytes: 2);
3235 p_header_data += 2;
3236 p_header_size -= 2;
3237 }
3238
3239#ifdef USE_JPWL
3240 if (p_j2k->m_cp.correct) {
3241
3242 static OPJ_UINT32 backup_compno = 0;
3243
3244 /* compno is negative or larger than the number of components!!! */
3245 if (/*(l_comp_no < 0) ||*/ (l_comp_no >= l_num_comp)) {
3246 opj_event_msg(p_manager, EVT_ERROR,
3247 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
3248 l_comp_no, l_num_comp);
3249 if (!JPWL_ASSUME) {
3250 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
3251 return OPJ_FALSE;
3252 }
3253 /* we try to correct */
3254 l_comp_no = backup_compno % l_num_comp;
3255 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
3256 "- setting component number to %d\n",
3257 l_comp_no);
3258 }
3259
3260 /* keep your private count of tiles */
3261 backup_compno++;
3262 };
3263#endif /* USE_JPWL */
3264
3265 if (l_comp_no >= p_j2k->m_private_image->numcomps) {
3266 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
3267 fmt: "Invalid component number: %d, regarding the number of components %d\n",
3268 l_comp_no, p_j2k->m_private_image->numcomps);
3269 return OPJ_FALSE;
3270 }
3271
3272 if (! opj_j2k_read_SQcd_SQcc(p_j2k, compno: l_comp_no, p_header_data, p_header_size: &p_header_size,
3273 p_manager)) {
3274 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading QCC marker\n");
3275 return OPJ_FALSE;
3276 }
3277
3278 if (p_header_size != 0) {
3279 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading QCC marker\n");
3280 return OPJ_FALSE;
3281 }
3282
3283 return OPJ_TRUE;
3284}
3285
3286static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
3287 opj_stream_private_t *p_stream,
3288 opj_event_mgr_t * p_manager
3289 )
3290{
3291 OPJ_UINT32 l_nb_comp;
3292 OPJ_UINT32 l_nb_poc;
3293 OPJ_UINT32 l_poc_size;
3294 OPJ_UINT32 l_written_size = 0;
3295 opj_tcp_t *l_tcp = 00;
3296 OPJ_UINT32 l_poc_room;
3297
3298 /* preconditions */
3299 assert(p_j2k != 00);
3300 assert(p_manager != 00);
3301 assert(p_stream != 00);
3302
3303 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3304 l_nb_comp = p_j2k->m_private_image->numcomps;
3305 l_nb_poc = 1 + l_tcp->numpocs;
3306
3307 if (l_nb_comp <= 256) {
3308 l_poc_room = 1;
3309 } else {
3310 l_poc_room = 2;
3311 }
3312 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3313
3314 if (l_poc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3315 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3316 m: p_j2k->m_specific_param.m_encoder.m_header_tile_data, s: l_poc_size);
3317 if (! new_header_tile_data) {
3318 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3319 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3320 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3321 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to write POC marker\n");
3322 return OPJ_FALSE;
3323 }
3324 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3325 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size;
3326 }
3327
3328 opj_j2k_write_poc_in_memory(p_j2k,
3329 p_data: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_data_written: &l_written_size,
3330 p_manager);
3331
3332 if (opj_stream_write_data(p_stream,
3333 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_poc_size,
3334 p_event_mgr: p_manager) != l_poc_size) {
3335 return OPJ_FALSE;
3336 }
3337
3338 return OPJ_TRUE;
3339}
3340
3341static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
3342 OPJ_BYTE * p_data,
3343 OPJ_UINT32 * p_data_written,
3344 opj_event_mgr_t * p_manager
3345 )
3346{
3347 OPJ_UINT32 i;
3348 OPJ_BYTE * l_current_data = 00;
3349 OPJ_UINT32 l_nb_comp;
3350 OPJ_UINT32 l_nb_poc;
3351 OPJ_UINT32 l_poc_size;
3352 opj_image_t *l_image = 00;
3353 opj_tcp_t *l_tcp = 00;
3354 opj_tccp_t *l_tccp = 00;
3355 opj_poc_t *l_current_poc = 00;
3356 OPJ_UINT32 l_poc_room;
3357
3358 /* preconditions */
3359 assert(p_j2k != 00);
3360 assert(p_manager != 00);
3361
3362 OPJ_UNUSED(p_manager);
3363
3364 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3365 l_tccp = &l_tcp->tccps[0];
3366 l_image = p_j2k->m_private_image;
3367 l_nb_comp = l_image->numcomps;
3368 l_nb_poc = 1 + l_tcp->numpocs;
3369
3370 if (l_nb_comp <= 256) {
3371 l_poc_room = 1;
3372 } else {
3373 l_poc_room = 2;
3374 }
3375
3376 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3377
3378 l_current_data = p_data;
3379
3380 opj_write_bytes(p_buffer: l_current_data, J2K_MS_POC,
3381 p_nb_bytes: 2); /* POC */
3382 l_current_data += 2;
3383
3384 opj_write_bytes(p_buffer: l_current_data, p_value: l_poc_size - 2,
3385 p_nb_bytes: 2); /* Lpoc */
3386 l_current_data += 2;
3387
3388 l_current_poc = l_tcp->pocs;
3389 for (i = 0; i < l_nb_poc; ++i) {
3390 opj_write_bytes(p_buffer: l_current_data, p_value: l_current_poc->resno0,
3391 p_nb_bytes: 1); /* RSpoc_i */
3392 ++l_current_data;
3393
3394 opj_write_bytes(p_buffer: l_current_data, p_value: l_current_poc->compno0,
3395 p_nb_bytes: l_poc_room); /* CSpoc_i */
3396 l_current_data += l_poc_room;
3397
3398 opj_write_bytes(p_buffer: l_current_data, p_value: l_current_poc->layno1,
3399 p_nb_bytes: 2); /* LYEpoc_i */
3400 l_current_data += 2;
3401
3402 opj_write_bytes(p_buffer: l_current_data, p_value: l_current_poc->resno1,
3403 p_nb_bytes: 1); /* REpoc_i */
3404 ++l_current_data;
3405
3406 opj_write_bytes(p_buffer: l_current_data, p_value: l_current_poc->compno1,
3407 p_nb_bytes: l_poc_room); /* CEpoc_i */
3408 l_current_data += l_poc_room;
3409
3410 opj_write_bytes(p_buffer: l_current_data, p_value: (OPJ_UINT32)l_current_poc->prg,
3411 p_nb_bytes: 1); /* Ppoc_i */
3412 ++l_current_data;
3413
3414 /* change the value of the max layer according to the actual number of layers in the file, components and resolutions*/
3415 l_current_poc->layno1 = (OPJ_UINT32)opj_int_min(a: (OPJ_INT32)
3416 l_current_poc->layno1, b: (OPJ_INT32)l_tcp->numlayers);
3417 l_current_poc->resno1 = (OPJ_UINT32)opj_int_min(a: (OPJ_INT32)
3418 l_current_poc->resno1, b: (OPJ_INT32)l_tccp->numresolutions);
3419 l_current_poc->compno1 = (OPJ_UINT32)opj_int_min(a: (OPJ_INT32)
3420 l_current_poc->compno1, b: (OPJ_INT32)l_nb_comp);
3421
3422 ++l_current_poc;
3423 }
3424
3425 *p_data_written = l_poc_size;
3426}
3427
3428static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k)
3429{
3430 opj_tcp_t * l_tcp = 00;
3431 OPJ_UINT32 l_nb_tiles = 0;
3432 OPJ_UINT32 l_max_poc = 0;
3433 OPJ_UINT32 i;
3434
3435 l_tcp = p_j2k->m_cp.tcps;
3436 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
3437
3438 for (i = 0; i < l_nb_tiles; ++i) {
3439 l_max_poc = opj_uint_max(a: l_max_poc, b: l_tcp->numpocs);
3440 ++l_tcp;
3441 }
3442
3443 ++l_max_poc;
3444
3445 return 4 + 9 * l_max_poc;
3446}
3447
3448static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k)
3449{
3450 OPJ_UINT32 i;
3451 OPJ_UINT32 l_nb_tiles;
3452 OPJ_UINT32 l_max = 0;
3453 opj_tcp_t * l_tcp = 00;
3454
3455 l_tcp = p_j2k->m_cp.tcps;
3456 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
3457
3458 for (i = 0; i < l_nb_tiles; ++i) {
3459 l_max = opj_uint_max(a: l_max, b: l_tcp->m_nb_tile_parts);
3460
3461 ++l_tcp;
3462 }
3463
3464 return 12 * l_max;
3465}
3466
3467static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k)
3468{
3469 OPJ_UINT32 l_nb_bytes = 0;
3470 OPJ_UINT32 l_nb_comps;
3471 OPJ_UINT32 l_coc_bytes, l_qcc_bytes;
3472
3473 l_nb_comps = p_j2k->m_private_image->numcomps - 1;
3474 l_nb_bytes += opj_j2k_get_max_toc_size(p_j2k);
3475
3476 if (!(OPJ_IS_CINEMA(p_j2k->m_cp.rsiz))) {
3477 l_coc_bytes = opj_j2k_get_max_coc_size(p_j2k);
3478 l_nb_bytes += l_nb_comps * l_coc_bytes;
3479
3480 l_qcc_bytes = opj_j2k_get_max_qcc_size(p_j2k);
3481 l_nb_bytes += l_nb_comps * l_qcc_bytes;
3482 }
3483
3484 l_nb_bytes += opj_j2k_get_max_poc_size(p_j2k);
3485
3486 if (p_j2k->m_specific_param.m_encoder.m_PLT) {
3487 /* Reserve space for PLT markers */
3488
3489 OPJ_UINT32 i;
3490 const opj_cp_t * l_cp = &(p_j2k->m_cp);
3491 OPJ_UINT32 l_max_packet_count = 0;
3492 for (i = 0; i < l_cp->th * l_cp->tw; ++i) {
3493 l_max_packet_count = opj_uint_max(a: l_max_packet_count,
3494 b: opj_get_encoding_packet_count(p_image: p_j2k->m_private_image, p_cp: l_cp, p_tile_no: i));
3495 }
3496 /* Minimum 6 bytes per PLT marker, and at a minimum (taking a pessimistic */
3497 /* estimate of 4 bytes for a packet size), one can write */
3498 /* (65536-6) / 4 = 16382 paquet sizes per PLT marker */
3499 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT =
3500 6 * opj_uint_ceildiv(a: l_max_packet_count, b: 16382);
3501 /* Maximum 5 bytes per packet to encode a full UINT32 */
3502 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT +=
3503 l_nb_bytes += 5 * l_max_packet_count;
3504 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT += 1;
3505 l_nb_bytes += p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT;
3506 }
3507
3508 /*** DEVELOPER CORNER, Add room for your headers ***/
3509
3510 return l_nb_bytes;
3511}
3512
3513/**
3514 * Reads a POC marker (Progression Order Change)
3515 *
3516 * @param p_header_data the data contained in the POC box.
3517 * @param p_j2k the jpeg2000 codec.
3518 * @param p_header_size the size of the data contained in the POC marker.
3519 * @param p_manager the user event manager.
3520*/
3521static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
3522 OPJ_BYTE * p_header_data,
3523 OPJ_UINT32 p_header_size,
3524 opj_event_mgr_t * p_manager
3525 )
3526{
3527 OPJ_UINT32 i, l_nb_comp, l_tmp;
3528 opj_image_t * l_image = 00;
3529 OPJ_UINT32 l_old_poc_nb, l_current_poc_nb, l_current_poc_remaining;
3530 OPJ_UINT32 l_chunk_size, l_comp_room;
3531
3532 opj_cp_t *l_cp = 00;
3533 opj_tcp_t *l_tcp = 00;
3534 opj_poc_t *l_current_poc = 00;
3535
3536 /* preconditions */
3537 assert(p_header_data != 00);
3538 assert(p_j2k != 00);
3539 assert(p_manager != 00);
3540
3541 l_image = p_j2k->m_private_image;
3542 l_nb_comp = l_image->numcomps;
3543 if (l_nb_comp <= 256) {
3544 l_comp_room = 1;
3545 } else {
3546 l_comp_room = 2;
3547 }
3548 l_chunk_size = 5 + 2 * l_comp_room;
3549 l_current_poc_nb = p_header_size / l_chunk_size;
3550 l_current_poc_remaining = p_header_size % l_chunk_size;
3551
3552 if ((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0)) {
3553 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading POC marker\n");
3554 return OPJ_FALSE;
3555 }
3556
3557 l_cp = &(p_j2k->m_cp);
3558 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
3559 &l_cp->tcps[p_j2k->m_current_tile_number] :
3560 p_j2k->m_specific_param.m_decoder.m_default_tcp;
3561 l_old_poc_nb = l_tcp->POC ? l_tcp->numpocs + 1 : 0;
3562 l_current_poc_nb += l_old_poc_nb;
3563
3564 if (l_current_poc_nb >= J2K_MAX_POCS) {
3565 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Too many POCs %d\n", l_current_poc_nb);
3566 return OPJ_FALSE;
3567 }
3568
3569 /* now poc is in use.*/
3570 l_tcp->POC = 1;
3571
3572 l_current_poc = &l_tcp->pocs[l_old_poc_nb];
3573 for (i = l_old_poc_nb; i < l_current_poc_nb; ++i) {
3574 opj_read_bytes(p_buffer: p_header_data, p_value: &(l_current_poc->resno0),
3575 p_nb_bytes: 1); /* RSpoc_i */
3576 ++p_header_data;
3577 opj_read_bytes(p_buffer: p_header_data, p_value: &(l_current_poc->compno0),
3578 p_nb_bytes: l_comp_room); /* CSpoc_i */
3579 p_header_data += l_comp_room;
3580 opj_read_bytes(p_buffer: p_header_data, p_value: &(l_current_poc->layno1),
3581 p_nb_bytes: 2); /* LYEpoc_i */
3582 /* make sure layer end is in acceptable bounds */
3583 l_current_poc->layno1 = opj_uint_min(a: l_current_poc->layno1, b: l_tcp->numlayers);
3584 p_header_data += 2;
3585 opj_read_bytes(p_buffer: p_header_data, p_value: &(l_current_poc->resno1),
3586 p_nb_bytes: 1); /* REpoc_i */
3587 ++p_header_data;
3588 opj_read_bytes(p_buffer: p_header_data, p_value: &(l_current_poc->compno1),
3589 p_nb_bytes: l_comp_room); /* CEpoc_i */
3590 p_header_data += l_comp_room;
3591 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp,
3592 p_nb_bytes: 1); /* Ppoc_i */
3593 ++p_header_data;
3594 l_current_poc->prg = (OPJ_PROG_ORDER) l_tmp;
3595 /* make sure comp is in acceptable bounds */
3596 l_current_poc->compno1 = opj_uint_min(a: l_current_poc->compno1, b: l_nb_comp);
3597 ++l_current_poc;
3598 }
3599
3600 l_tcp->numpocs = l_current_poc_nb - 1;
3601 return OPJ_TRUE;
3602}
3603
3604/**
3605 * Reads a CRG marker (Component registration)
3606 *
3607 * @param p_header_data the data contained in the TLM box.
3608 * @param p_j2k the jpeg2000 codec.
3609 * @param p_header_size the size of the data contained in the TLM marker.
3610 * @param p_manager the user event manager.
3611*/
3612static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
3613 OPJ_BYTE * p_header_data,
3614 OPJ_UINT32 p_header_size,
3615 opj_event_mgr_t * p_manager
3616 )
3617{
3618 OPJ_UINT32 l_nb_comp;
3619 /* preconditions */
3620 assert(p_header_data != 00);
3621 assert(p_j2k != 00);
3622 assert(p_manager != 00);
3623
3624 OPJ_UNUSED(p_header_data);
3625
3626 l_nb_comp = p_j2k->m_private_image->numcomps;
3627
3628 if (p_header_size != l_nb_comp * 4) {
3629 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading CRG marker\n");
3630 return OPJ_FALSE;
3631 }
3632 /* Do not care of this at the moment since only local variables are set here */
3633 /*
3634 for
3635 (i = 0; i < l_nb_comp; ++i)
3636 {
3637 opj_read_bytes(p_header_data,&l_Xcrg_i,2); // Xcrg_i
3638 p_header_data+=2;
3639 opj_read_bytes(p_header_data,&l_Ycrg_i,2); // Xcrg_i
3640 p_header_data+=2;
3641 }
3642 */
3643 return OPJ_TRUE;
3644}
3645
3646/**
3647 * Reads a TLM marker (Tile Length Marker)
3648 *
3649 * @param p_header_data the data contained in the TLM box.
3650 * @param p_j2k the jpeg2000 codec.
3651 * @param p_header_size the size of the data contained in the TLM marker.
3652 * @param p_manager the user event manager.
3653*/
3654static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
3655 OPJ_BYTE * p_header_data,
3656 OPJ_UINT32 p_header_size,
3657 opj_event_mgr_t * p_manager
3658 )
3659{
3660 OPJ_UINT32 l_Ztlm, l_Stlm, l_ST, l_SP, l_tot_num_tp_remaining, l_quotient,
3661 l_Ptlm_size;
3662 /* preconditions */
3663 assert(p_header_data != 00);
3664 assert(p_j2k != 00);
3665 assert(p_manager != 00);
3666
3667 OPJ_UNUSED(p_j2k);
3668
3669 if (p_header_size < 2) {
3670 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading TLM marker\n");
3671 return OPJ_FALSE;
3672 }
3673 p_header_size -= 2;
3674
3675 opj_read_bytes(p_buffer: p_header_data, p_value: &l_Ztlm,
3676 p_nb_bytes: 1); /* Ztlm */
3677 ++p_header_data;
3678 opj_read_bytes(p_buffer: p_header_data, p_value: &l_Stlm,
3679 p_nb_bytes: 1); /* Stlm */
3680 ++p_header_data;
3681
3682 l_ST = ((l_Stlm >> 4) & 0x3);
3683 l_SP = (l_Stlm >> 6) & 0x1;
3684
3685 l_Ptlm_size = (l_SP + 1) * 2;
3686 l_quotient = l_Ptlm_size + l_ST;
3687
3688 l_tot_num_tp_remaining = p_header_size % l_quotient;
3689
3690 if (l_tot_num_tp_remaining != 0) {
3691 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading TLM marker\n");
3692 return OPJ_FALSE;
3693 }
3694 /* FIXME Do not care of this at the moment since only local variables are set here */
3695 /*
3696 for
3697 (i = 0; i < l_tot_num_tp; ++i)
3698 {
3699 opj_read_bytes(p_header_data,&l_Ttlm_i,l_ST); // Ttlm_i
3700 p_header_data += l_ST;
3701 opj_read_bytes(p_header_data,&l_Ptlm_i,l_Ptlm_size); // Ptlm_i
3702 p_header_data += l_Ptlm_size;
3703 }*/
3704 return OPJ_TRUE;
3705}
3706
3707/**
3708 * Reads a PLM marker (Packet length, main header marker)
3709 *
3710 * @param p_header_data the data contained in the TLM box.
3711 * @param p_j2k the jpeg2000 codec.
3712 * @param p_header_size the size of the data contained in the TLM marker.
3713 * @param p_manager the user event manager.
3714*/
3715static OPJ_BOOL opj_j2k_read_plm(opj_j2k_t *p_j2k,
3716 OPJ_BYTE * p_header_data,
3717 OPJ_UINT32 p_header_size,
3718 opj_event_mgr_t * p_manager
3719 )
3720{
3721 /* preconditions */
3722 assert(p_header_data != 00);
3723 assert(p_j2k != 00);
3724 assert(p_manager != 00);
3725
3726 OPJ_UNUSED(p_j2k);
3727 OPJ_UNUSED(p_header_data);
3728
3729 if (p_header_size < 1) {
3730 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading PLM marker\n");
3731 return OPJ_FALSE;
3732 }
3733 /* Do not care of this at the moment since only local variables are set here */
3734 /*
3735 opj_read_bytes(p_header_data,&l_Zplm,1); // Zplm
3736 ++p_header_data;
3737 --p_header_size;
3738
3739 while
3740 (p_header_size > 0)
3741 {
3742 opj_read_bytes(p_header_data,&l_Nplm,1); // Nplm
3743 ++p_header_data;
3744 p_header_size -= (1+l_Nplm);
3745 if
3746 (p_header_size < 0)
3747 {
3748 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3749 return false;
3750 }
3751 for
3752 (i = 0; i < l_Nplm; ++i)
3753 {
3754 opj_read_bytes(p_header_data,&l_tmp,1); // Iplm_ij
3755 ++p_header_data;
3756 // take only the last seven bytes
3757 l_packet_len |= (l_tmp & 0x7f);
3758 if
3759 (l_tmp & 0x80)
3760 {
3761 l_packet_len <<= 7;
3762 }
3763 else
3764 {
3765 // store packet length and proceed to next packet
3766 l_packet_len = 0;
3767 }
3768 }
3769 if
3770 (l_packet_len != 0)
3771 {
3772 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3773 return false;
3774 }
3775 }
3776 */
3777 return OPJ_TRUE;
3778}
3779
3780/**
3781 * Reads a PLT marker (Packet length, tile-part header)
3782 *
3783 * @param p_header_data the data contained in the PLT box.
3784 * @param p_j2k the jpeg2000 codec.
3785 * @param p_header_size the size of the data contained in the PLT marker.
3786 * @param p_manager the user event manager.
3787*/
3788static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
3789 OPJ_BYTE * p_header_data,
3790 OPJ_UINT32 p_header_size,
3791 opj_event_mgr_t * p_manager
3792 )
3793{
3794 OPJ_UINT32 l_Zplt, l_tmp, l_packet_len = 0, i;
3795
3796 /* preconditions */
3797 assert(p_header_data != 00);
3798 assert(p_j2k != 00);
3799 assert(p_manager != 00);
3800
3801 OPJ_UNUSED(p_j2k);
3802
3803 if (p_header_size < 1) {
3804 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading PLT marker\n");
3805 return OPJ_FALSE;
3806 }
3807
3808 opj_read_bytes(p_buffer: p_header_data, p_value: &l_Zplt, p_nb_bytes: 1); /* Zplt */
3809 ++p_header_data;
3810 --p_header_size;
3811
3812 for (i = 0; i < p_header_size; ++i) {
3813 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp, p_nb_bytes: 1); /* Iplt_ij */
3814 ++p_header_data;
3815 /* take only the last seven bytes */
3816 l_packet_len |= (l_tmp & 0x7f);
3817 if (l_tmp & 0x80) {
3818 l_packet_len <<= 7;
3819 } else {
3820 /* store packet length and proceed to next packet */
3821 l_packet_len = 0;
3822 }
3823 }
3824
3825 if (l_packet_len != 0) {
3826 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading PLT marker\n");
3827 return OPJ_FALSE;
3828 }
3829
3830 return OPJ_TRUE;
3831}
3832
3833/**
3834 * Reads a PPM marker (Packed packet headers, main header)
3835 *
3836 * @param p_header_data the data contained in the POC box.
3837 * @param p_j2k the jpeg2000 codec.
3838 * @param p_header_size the size of the data contained in the POC marker.
3839 * @param p_manager the user event manager.
3840 */
3841
3842static OPJ_BOOL opj_j2k_read_ppm(
3843 opj_j2k_t *p_j2k,
3844 OPJ_BYTE * p_header_data,
3845 OPJ_UINT32 p_header_size,
3846 opj_event_mgr_t * p_manager)
3847{
3848 opj_cp_t *l_cp = 00;
3849 OPJ_UINT32 l_Z_ppm;
3850
3851 /* preconditions */
3852 assert(p_header_data != 00);
3853 assert(p_j2k != 00);
3854 assert(p_manager != 00);
3855
3856 /* We need to have the Z_ppm element + 1 byte of Nppm/Ippm at minimum */
3857 if (p_header_size < 2) {
3858 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading PPM marker\n");
3859 return OPJ_FALSE;
3860 }
3861
3862 l_cp = &(p_j2k->m_cp);
3863 l_cp->ppm = 1;
3864
3865 opj_read_bytes(p_buffer: p_header_data, p_value: &l_Z_ppm, p_nb_bytes: 1); /* Z_ppm */
3866 ++p_header_data;
3867 --p_header_size;
3868
3869 /* check allocation needed */
3870 if (l_cp->ppm_markers == NULL) { /* first PPM marker */
3871 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3872 assert(l_cp->ppm_markers_count == 0U);
3873
3874 l_cp->ppm_markers = (opj_ppx *) opj_calloc(numOfElements: l_newCount, sizeOfElements: sizeof(opj_ppx));
3875 if (l_cp->ppm_markers == NULL) {
3876 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to read PPM marker\n");
3877 return OPJ_FALSE;
3878 }
3879 l_cp->ppm_markers_count = l_newCount;
3880 } else if (l_cp->ppm_markers_count <= l_Z_ppm) {
3881 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3882 opj_ppx *new_ppm_markers;
3883 new_ppm_markers = (opj_ppx *) opj_realloc(m: l_cp->ppm_markers,
3884 s: l_newCount * sizeof(opj_ppx));
3885 if (new_ppm_markers == NULL) {
3886 /* clean up to be done on l_cp destruction */
3887 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to read PPM marker\n");
3888 return OPJ_FALSE;
3889 }
3890 l_cp->ppm_markers = new_ppm_markers;
3891 memset(s: l_cp->ppm_markers + l_cp->ppm_markers_count, c: 0,
3892 n: (l_newCount - l_cp->ppm_markers_count) * sizeof(opj_ppx));
3893 l_cp->ppm_markers_count = l_newCount;
3894 }
3895
3896 if (l_cp->ppm_markers[l_Z_ppm].m_data != NULL) {
3897 /* clean up to be done on l_cp destruction */
3898 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Zppm %u already read\n", l_Z_ppm);
3899 return OPJ_FALSE;
3900 }
3901
3902 l_cp->ppm_markers[l_Z_ppm].m_data = (OPJ_BYTE *) opj_malloc(size: p_header_size);
3903 if (l_cp->ppm_markers[l_Z_ppm].m_data == NULL) {
3904 /* clean up to be done on l_cp destruction */
3905 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to read PPM marker\n");
3906 return OPJ_FALSE;
3907 }
3908 l_cp->ppm_markers[l_Z_ppm].m_data_size = p_header_size;
3909 memcpy(dest: l_cp->ppm_markers[l_Z_ppm].m_data, src: p_header_data, n: p_header_size);
3910
3911 return OPJ_TRUE;
3912}
3913
3914/**
3915 * Merges all PPM markers read (Packed headers, main header)
3916 *
3917 * @param p_cp main coding parameters.
3918 * @param p_manager the user event manager.
3919 */
3920static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager)
3921{
3922 OPJ_UINT32 i, l_ppm_data_size, l_N_ppm_remaining;
3923
3924 /* preconditions */
3925 assert(p_cp != 00);
3926 assert(p_manager != 00);
3927 assert(p_cp->ppm_buffer == NULL);
3928
3929 if (p_cp->ppm == 0U) {
3930 return OPJ_TRUE;
3931 }
3932
3933 l_ppm_data_size = 0U;
3934 l_N_ppm_remaining = 0U;
3935 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3936 if (p_cp->ppm_markers[i].m_data !=
3937 NULL) { /* standard doesn't seem to require contiguous Zppm */
3938 OPJ_UINT32 l_N_ppm;
3939 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3940 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3941
3942 if (l_N_ppm_remaining >= l_data_size) {
3943 l_N_ppm_remaining -= l_data_size;
3944 l_data_size = 0U;
3945 } else {
3946 l_data += l_N_ppm_remaining;
3947 l_data_size -= l_N_ppm_remaining;
3948 l_N_ppm_remaining = 0U;
3949 }
3950
3951 if (l_data_size > 0U) {
3952 do {
3953 /* read Nppm */
3954 if (l_data_size < 4U) {
3955 /* clean up to be done on l_cp destruction */
3956 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough bytes to read Nppm\n");
3957 return OPJ_FALSE;
3958 }
3959 opj_read_bytes(p_buffer: l_data, p_value: &l_N_ppm, p_nb_bytes: 4);
3960 l_data += 4;
3961 l_data_size -= 4;
3962
3963 if (l_ppm_data_size > UINT_MAX - l_N_ppm) {
3964 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Too large value for Nppm\n");
3965 return OPJ_FALSE;
3966 }
3967 l_ppm_data_size += l_N_ppm;
3968 if (l_data_size >= l_N_ppm) {
3969 l_data_size -= l_N_ppm;
3970 l_data += l_N_ppm;
3971 } else {
3972 l_N_ppm_remaining = l_N_ppm - l_data_size;
3973 l_data_size = 0U;
3974 }
3975 } while (l_data_size > 0U);
3976 }
3977 }
3978 }
3979
3980 if (l_N_ppm_remaining != 0U) {
3981 /* clean up to be done on l_cp destruction */
3982 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Corrupted PPM markers\n");
3983 return OPJ_FALSE;
3984 }
3985
3986 p_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(size: l_ppm_data_size);
3987 if (p_cp->ppm_buffer == 00) {
3988 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to read PPM marker\n");
3989 return OPJ_FALSE;
3990 }
3991 p_cp->ppm_len = l_ppm_data_size;
3992 l_ppm_data_size = 0U;
3993 l_N_ppm_remaining = 0U;
3994 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3995 if (p_cp->ppm_markers[i].m_data !=
3996 NULL) { /* standard doesn't seem to require contiguous Zppm */
3997 OPJ_UINT32 l_N_ppm;
3998 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3999 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
4000
4001 if (l_N_ppm_remaining >= l_data_size) {
4002 memcpy(dest: p_cp->ppm_buffer + l_ppm_data_size, src: l_data, n: l_data_size);
4003 l_ppm_data_size += l_data_size;
4004 l_N_ppm_remaining -= l_data_size;
4005 l_data_size = 0U;
4006 } else {
4007 memcpy(dest: p_cp->ppm_buffer + l_ppm_data_size, src: l_data, n: l_N_ppm_remaining);
4008 l_ppm_data_size += l_N_ppm_remaining;
4009 l_data += l_N_ppm_remaining;
4010 l_data_size -= l_N_ppm_remaining;
4011 l_N_ppm_remaining = 0U;
4012 }
4013
4014 if (l_data_size > 0U) {
4015 do {
4016 /* read Nppm */
4017 if (l_data_size < 4U) {
4018 /* clean up to be done on l_cp destruction */
4019 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough bytes to read Nppm\n");
4020 return OPJ_FALSE;
4021 }
4022 opj_read_bytes(p_buffer: l_data, p_value: &l_N_ppm, p_nb_bytes: 4);
4023 l_data += 4;
4024 l_data_size -= 4;
4025
4026 if (l_data_size >= l_N_ppm) {
4027 memcpy(dest: p_cp->ppm_buffer + l_ppm_data_size, src: l_data, n: l_N_ppm);
4028 l_ppm_data_size += l_N_ppm;
4029 l_data_size -= l_N_ppm;
4030 l_data += l_N_ppm;
4031 } else {
4032 memcpy(dest: p_cp->ppm_buffer + l_ppm_data_size, src: l_data, n: l_data_size);
4033 l_ppm_data_size += l_data_size;
4034 l_N_ppm_remaining = l_N_ppm - l_data_size;
4035 l_data_size = 0U;
4036 }
4037 } while (l_data_size > 0U);
4038 }
4039 opj_free(m: p_cp->ppm_markers[i].m_data);
4040 p_cp->ppm_markers[i].m_data = NULL;
4041 p_cp->ppm_markers[i].m_data_size = 0U;
4042 }
4043 }
4044
4045 p_cp->ppm_data = p_cp->ppm_buffer;
4046 p_cp->ppm_data_size = p_cp->ppm_len;
4047
4048 p_cp->ppm_markers_count = 0U;
4049 opj_free(m: p_cp->ppm_markers);
4050 p_cp->ppm_markers = NULL;
4051
4052 return OPJ_TRUE;
4053}
4054
4055/**
4056 * Reads a PPT marker (Packed packet headers, tile-part header)
4057 *
4058 * @param p_header_data the data contained in the PPT box.
4059 * @param p_j2k the jpeg2000 codec.
4060 * @param p_header_size the size of the data contained in the PPT marker.
4061 * @param p_manager the user event manager.
4062*/
4063static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
4064 OPJ_BYTE * p_header_data,
4065 OPJ_UINT32 p_header_size,
4066 opj_event_mgr_t * p_manager
4067 )
4068{
4069 opj_cp_t *l_cp = 00;
4070 opj_tcp_t *l_tcp = 00;
4071 OPJ_UINT32 l_Z_ppt;
4072
4073 /* preconditions */
4074 assert(p_header_data != 00);
4075 assert(p_j2k != 00);
4076 assert(p_manager != 00);
4077
4078 /* We need to have the Z_ppt element + 1 byte of Ippt at minimum */
4079 if (p_header_size < 2) {
4080 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading PPT marker\n");
4081 return OPJ_FALSE;
4082 }
4083
4084 l_cp = &(p_j2k->m_cp);
4085 if (l_cp->ppm) {
4086 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4087 fmt: "Error reading PPT marker: packet header have been previously found in the main header (PPM marker).\n");
4088 return OPJ_FALSE;
4089 }
4090
4091 l_tcp = &(l_cp->tcps[p_j2k->m_current_tile_number]);
4092 l_tcp->ppt = 1;
4093
4094 opj_read_bytes(p_buffer: p_header_data, p_value: &l_Z_ppt, p_nb_bytes: 1); /* Z_ppt */
4095 ++p_header_data;
4096 --p_header_size;
4097
4098 /* check allocation needed */
4099 if (l_tcp->ppt_markers == NULL) { /* first PPT marker */
4100 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4101 assert(l_tcp->ppt_markers_count == 0U);
4102
4103 l_tcp->ppt_markers = (opj_ppx *) opj_calloc(numOfElements: l_newCount, sizeOfElements: sizeof(opj_ppx));
4104 if (l_tcp->ppt_markers == NULL) {
4105 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to read PPT marker\n");
4106 return OPJ_FALSE;
4107 }
4108 l_tcp->ppt_markers_count = l_newCount;
4109 } else if (l_tcp->ppt_markers_count <= l_Z_ppt) {
4110 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4111 opj_ppx *new_ppt_markers;
4112 new_ppt_markers = (opj_ppx *) opj_realloc(m: l_tcp->ppt_markers,
4113 s: l_newCount * sizeof(opj_ppx));
4114 if (new_ppt_markers == NULL) {
4115 /* clean up to be done on l_tcp destruction */
4116 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to read PPT marker\n");
4117 return OPJ_FALSE;
4118 }
4119 l_tcp->ppt_markers = new_ppt_markers;
4120 memset(s: l_tcp->ppt_markers + l_tcp->ppt_markers_count, c: 0,
4121 n: (l_newCount - l_tcp->ppt_markers_count) * sizeof(opj_ppx));
4122 l_tcp->ppt_markers_count = l_newCount;
4123 }
4124
4125 if (l_tcp->ppt_markers[l_Z_ppt].m_data != NULL) {
4126 /* clean up to be done on l_tcp destruction */
4127 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Zppt %u already read\n", l_Z_ppt);
4128 return OPJ_FALSE;
4129 }
4130
4131 l_tcp->ppt_markers[l_Z_ppt].m_data = (OPJ_BYTE *) opj_malloc(size: p_header_size);
4132 if (l_tcp->ppt_markers[l_Z_ppt].m_data == NULL) {
4133 /* clean up to be done on l_tcp destruction */
4134 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to read PPT marker\n");
4135 return OPJ_FALSE;
4136 }
4137 l_tcp->ppt_markers[l_Z_ppt].m_data_size = p_header_size;
4138 memcpy(dest: l_tcp->ppt_markers[l_Z_ppt].m_data, src: p_header_data, n: p_header_size);
4139 return OPJ_TRUE;
4140}
4141
4142/**
4143 * Merges all PPT markers read (Packed packet headers, tile-part header)
4144 *
4145 * @param p_tcp the tile.
4146 * @param p_manager the user event manager.
4147 */
4148static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp, opj_event_mgr_t * p_manager)
4149{
4150 OPJ_UINT32 i, l_ppt_data_size;
4151 /* preconditions */
4152 assert(p_tcp != 00);
4153 assert(p_manager != 00);
4154
4155 if (p_tcp->ppt_buffer != NULL) {
4156 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4157 fmt: "opj_j2k_merge_ppt() has already been called\n");
4158 return OPJ_FALSE;
4159 }
4160
4161 if (p_tcp->ppt == 0U) {
4162 return OPJ_TRUE;
4163 }
4164
4165 l_ppt_data_size = 0U;
4166 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4167 l_ppt_data_size +=
4168 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4169 }
4170
4171 p_tcp->ppt_buffer = (OPJ_BYTE *) opj_malloc(size: l_ppt_data_size);
4172 if (p_tcp->ppt_buffer == 00) {
4173 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to read PPT marker\n");
4174 return OPJ_FALSE;
4175 }
4176 p_tcp->ppt_len = l_ppt_data_size;
4177 l_ppt_data_size = 0U;
4178 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4179 if (p_tcp->ppt_markers[i].m_data !=
4180 NULL) { /* standard doesn't seem to require contiguous Zppt */
4181 memcpy(dest: p_tcp->ppt_buffer + l_ppt_data_size, src: p_tcp->ppt_markers[i].m_data,
4182 n: p_tcp->ppt_markers[i].m_data_size);
4183 l_ppt_data_size +=
4184 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4185
4186 opj_free(m: p_tcp->ppt_markers[i].m_data);
4187 p_tcp->ppt_markers[i].m_data = NULL;
4188 p_tcp->ppt_markers[i].m_data_size = 0U;
4189 }
4190 }
4191
4192 p_tcp->ppt_markers_count = 0U;
4193 opj_free(m: p_tcp->ppt_markers);
4194 p_tcp->ppt_markers = NULL;
4195
4196 p_tcp->ppt_data = p_tcp->ppt_buffer;
4197 p_tcp->ppt_data_size = p_tcp->ppt_len;
4198 return OPJ_TRUE;
4199}
4200
4201static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
4202 opj_stream_private_t *p_stream,
4203 opj_event_mgr_t * p_manager
4204 )
4205{
4206 OPJ_BYTE * l_current_data = 00;
4207 OPJ_UINT32 l_tlm_size;
4208 OPJ_UINT32 size_per_tile_part;
4209
4210 /* preconditions */
4211 assert(p_j2k != 00);
4212 assert(p_manager != 00);
4213 assert(p_stream != 00);
4214
4215 /* 10921 = (65535 - header_size) / size_per_tile_part where */
4216 /* header_size = 4 and size_per_tile_part = 6 */
4217 if (p_j2k->m_specific_param.m_encoder.m_total_tile_parts > 10921) {
4218 /* We could do more but it would require writing several TLM markers */
4219 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4220 fmt: "A maximum of 10921 tile-parts are supported currently "
4221 "when writing TLM marker\n");
4222 return OPJ_FALSE;
4223 }
4224
4225 if (p_j2k->m_specific_param.m_encoder.m_total_tile_parts <= 255) {
4226 size_per_tile_part = 5;
4227 p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte = OPJ_TRUE;
4228 } else {
4229 size_per_tile_part = 6;
4230 p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte = OPJ_FALSE;
4231 }
4232
4233 l_tlm_size = 2 + 4 + (size_per_tile_part *
4234 p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
4235
4236 if (l_tlm_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
4237 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
4238 m: p_j2k->m_specific_param.m_encoder.m_header_tile_data, s: l_tlm_size);
4239 if (! new_header_tile_data) {
4240 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
4241 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
4242 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
4243 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to write TLM marker\n");
4244 return OPJ_FALSE;
4245 }
4246 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
4247 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_tlm_size;
4248 }
4249 memset(s: p_j2k->m_specific_param.m_encoder.m_header_tile_data, c: 0, n: l_tlm_size);
4250
4251 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
4252
4253 /* change the way data is written to avoid seeking if possible */
4254 /* TODO */
4255 p_j2k->m_specific_param.m_encoder.m_tlm_start = opj_stream_tell(p_stream);
4256
4257 opj_write_bytes(p_buffer: l_current_data, J2K_MS_TLM,
4258 p_nb_bytes: 2); /* TLM */
4259 l_current_data += 2;
4260
4261 opj_write_bytes(p_buffer: l_current_data, p_value: l_tlm_size - 2,
4262 p_nb_bytes: 2); /* Lpoc */
4263 l_current_data += 2;
4264
4265 opj_write_bytes(p_buffer: l_current_data, p_value: 0,
4266 p_nb_bytes: 1); /* Ztlm=0*/
4267 ++l_current_data;
4268
4269 /* Stlm 0x50= ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
4270 /* Stlm 0x60= ST=2(16bits-65535 tiles max),SP=1(Ptlm=32bits) */
4271 opj_write_bytes(p_buffer: l_current_data,
4272 p_value: size_per_tile_part == 5 ? 0x50 : 0x60,
4273 p_nb_bytes: 1);
4274 ++l_current_data;
4275
4276 /* do nothing on the size_per_tile_part * l_j2k->m_specific_param.m_encoder.m_total_tile_parts remaining data */
4277 if (opj_stream_write_data(p_stream,
4278 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_tlm_size,
4279 p_event_mgr: p_manager) != l_tlm_size) {
4280 return OPJ_FALSE;
4281 }
4282
4283 return OPJ_TRUE;
4284}
4285
4286static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
4287 OPJ_BYTE * p_data,
4288 OPJ_UINT32 total_data_size,
4289 OPJ_UINT32 * p_data_written,
4290 const opj_stream_private_t *p_stream,
4291 opj_event_mgr_t * p_manager
4292 )
4293{
4294 /* preconditions */
4295 assert(p_j2k != 00);
4296 assert(p_manager != 00);
4297 assert(p_stream != 00);
4298
4299 OPJ_UNUSED(p_stream);
4300
4301 if (total_data_size < 12) {
4302 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4303 fmt: "Not enough bytes in output buffer to write SOT marker\n");
4304 return OPJ_FALSE;
4305 }
4306
4307 opj_write_bytes(p_buffer: p_data, J2K_MS_SOT,
4308 p_nb_bytes: 2); /* SOT */
4309 p_data += 2;
4310
4311 opj_write_bytes(p_buffer: p_data, p_value: 10,
4312 p_nb_bytes: 2); /* Lsot */
4313 p_data += 2;
4314
4315 opj_write_bytes(p_buffer: p_data, p_value: p_j2k->m_current_tile_number,
4316 p_nb_bytes: 2); /* Isot */
4317 p_data += 2;
4318
4319 /* Psot */
4320 p_data += 4;
4321
4322 opj_write_bytes(p_buffer: p_data,
4323 p_value: p_j2k->m_specific_param.m_encoder.m_current_tile_part_number,
4324 p_nb_bytes: 1); /* TPsot */
4325 ++p_data;
4326
4327 opj_write_bytes(p_buffer: p_data,
4328 p_value: p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts,
4329 p_nb_bytes: 1); /* TNsot */
4330 ++p_data;
4331
4332 /* UniPG>> */
4333#ifdef USE_JPWL
4334 /* update markers struct */
4335 /*
4336 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOT, p_j2k->sot_start, len + 2);
4337 */
4338 assert(0 && "TODO");
4339#endif /* USE_JPWL */
4340
4341 * p_data_written = 12;
4342
4343 return OPJ_TRUE;
4344}
4345
4346static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
4347 OPJ_UINT32 p_header_size,
4348 OPJ_UINT32* p_tile_no,
4349 OPJ_UINT32* p_tot_len,
4350 OPJ_UINT32* p_current_part,
4351 OPJ_UINT32* p_num_parts,
4352 opj_event_mgr_t * p_manager)
4353{
4354 /* preconditions */
4355 assert(p_header_data != 00);
4356 assert(p_manager != 00);
4357
4358 /* Size of this marker is fixed = 12 (we have already read marker and its size)*/
4359 if (p_header_size != 8) {
4360 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading SOT marker\n");
4361 return OPJ_FALSE;
4362 }
4363
4364 opj_read_bytes(p_buffer: p_header_data, p_value: p_tile_no, p_nb_bytes: 2); /* Isot */
4365 p_header_data += 2;
4366 opj_read_bytes(p_buffer: p_header_data, p_value: p_tot_len, p_nb_bytes: 4); /* Psot */
4367 p_header_data += 4;
4368 opj_read_bytes(p_buffer: p_header_data, p_value: p_current_part, p_nb_bytes: 1); /* TPsot */
4369 ++p_header_data;
4370 opj_read_bytes(p_buffer: p_header_data, p_value: p_num_parts, p_nb_bytes: 1); /* TNsot */
4371 ++p_header_data;
4372 return OPJ_TRUE;
4373}
4374
4375static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
4376 OPJ_BYTE * p_header_data,
4377 OPJ_UINT32 p_header_size,
4378 opj_event_mgr_t * p_manager)
4379{
4380 opj_cp_t *l_cp = 00;
4381 opj_tcp_t *l_tcp = 00;
4382 OPJ_UINT32 l_tot_len, l_num_parts = 0;
4383 OPJ_UINT32 l_current_part;
4384 OPJ_UINT32 l_tile_x, l_tile_y;
4385
4386 /* preconditions */
4387
4388 assert(p_j2k != 00);
4389 assert(p_manager != 00);
4390
4391 if (! opj_j2k_get_sot_values(p_header_data, p_header_size,
4392 p_tile_no: &(p_j2k->m_current_tile_number), p_tot_len: &l_tot_len, p_current_part: &l_current_part, p_num_parts: &l_num_parts,
4393 p_manager)) {
4394 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading SOT marker\n");
4395 return OPJ_FALSE;
4396 }
4397#ifdef DEBUG_VERBOSE
4398 fprintf(stderr, "SOT %d %d %d %d\n",
4399 p_j2k->m_current_tile_number, l_tot_len, l_current_part, l_num_parts);
4400#endif
4401
4402 l_cp = &(p_j2k->m_cp);
4403
4404 /* testcase 2.pdf.SIGFPE.706.1112 */
4405 if (p_j2k->m_current_tile_number >= l_cp->tw * l_cp->th) {
4406 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Invalid tile number %d\n",
4407 p_j2k->m_current_tile_number);
4408 return OPJ_FALSE;
4409 }
4410
4411 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
4412 l_tile_x = p_j2k->m_current_tile_number % l_cp->tw;
4413 l_tile_y = p_j2k->m_current_tile_number / l_cp->tw;
4414
4415 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec < 0 ||
4416 p_j2k->m_current_tile_number == (OPJ_UINT32)
4417 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec) {
4418 /* Do only this check if we decode all tile part headers, or if */
4419 /* we decode one precise tile. Otherwise the m_current_tile_part_number */
4420 /* might not be valid */
4421 /* Fixes issue with id_000020,sig_06,src_001958,op_flip4,pos_149 */
4422 /* of https://github.com/uclouvain/openjpeg/issues/939 */
4423 /* We must avoid reading twice the same tile part number for a given tile */
4424 /* so as to avoid various issues, like opj_j2k_merge_ppt being called */
4425 /* several times. */
4426 /* ISO 15444-1 A.4.2 Start of tile-part (SOT) mandates that tile parts */
4427 /* should appear in increasing order. */
4428 if (l_tcp->m_current_tile_part_number + 1 != (OPJ_INT32)l_current_part) {
4429 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4430 fmt: "Invalid tile part index for tile number %d. "
4431 "Got %d, expected %d\n",
4432 p_j2k->m_current_tile_number,
4433 l_current_part,
4434 l_tcp->m_current_tile_part_number + 1);
4435 return OPJ_FALSE;
4436 }
4437 }
4438
4439 l_tcp->m_current_tile_part_number = (OPJ_INT32) l_current_part;
4440
4441#ifdef USE_JPWL
4442 if (l_cp->correct) {
4443
4444 OPJ_UINT32 tileno = p_j2k->m_current_tile_number;
4445 static OPJ_UINT32 backup_tileno = 0;
4446
4447 /* tileno is negative or larger than the number of tiles!!! */
4448 if (tileno > (l_cp->tw * l_cp->th)) {
4449 opj_event_msg(p_manager, EVT_ERROR,
4450 "JPWL: bad tile number (%d out of a maximum of %d)\n",
4451 tileno, (l_cp->tw * l_cp->th));
4452 if (!JPWL_ASSUME) {
4453 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4454 return OPJ_FALSE;
4455 }
4456 /* we try to correct */
4457 tileno = backup_tileno;
4458 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4459 "- setting tile number to %d\n",
4460 tileno);
4461 }
4462
4463 /* keep your private count of tiles */
4464 backup_tileno++;
4465 };
4466#endif /* USE_JPWL */
4467
4468 /* look for the tile in the list of already processed tile (in parts). */
4469 /* Optimization possible here with a more complex data structure and with the removing of tiles */
4470 /* since the time taken by this function can only grow at the time */
4471
4472 /* PSot should be equal to zero or >=14 or <= 2^32-1 */
4473 if ((l_tot_len != 0) && (l_tot_len < 14)) {
4474 if (l_tot_len ==
4475 12) { /* MSD: Special case for the PHR data which are read by kakadu*/
4476 opj_event_msg(event_mgr: p_manager, EVT_WARNING, fmt: "Empty SOT marker detected: Psot=%d.\n",
4477 l_tot_len);
4478 } else {
4479 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4480 fmt: "Psot value is not correct regards to the JPEG2000 norm: %d.\n", l_tot_len);
4481 return OPJ_FALSE;
4482 }
4483 }
4484
4485#ifdef USE_JPWL
4486 if (l_cp->correct) {
4487
4488 /* totlen is negative or larger than the bytes left!!! */
4489 if (/*(l_tot_len < 0) ||*/ (l_tot_len >
4490 p_header_size)) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */
4491 opj_event_msg(p_manager, EVT_ERROR,
4492 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
4493 l_tot_len,
4494 p_header_size); /* FIXME it seems correct; for info in V1 -> p_stream_numbytesleft(p_stream) + 8); */
4495 if (!JPWL_ASSUME) {
4496 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4497 return OPJ_FALSE;
4498 }
4499 /* we try to correct */
4500 l_tot_len = 0;
4501 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4502 "- setting Psot to %d => assuming it is the last tile\n",
4503 l_tot_len);
4504 }
4505 };
4506#endif /* USE_JPWL */
4507
4508 /* Ref A.4.2: Psot could be equal zero if it is the last tile-part of the codestream.*/
4509 if (!l_tot_len) {
4510 opj_event_msg(event_mgr: p_manager, EVT_INFO,
4511 fmt: "Psot value of the current tile-part is equal to zero, "
4512 "we assuming it is the last tile-part of the codestream.\n");
4513 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4514 }
4515
4516 if (l_tcp->m_nb_tile_parts != 0 && l_current_part >= l_tcp->m_nb_tile_parts) {
4517 /* Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2851 */
4518 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4519 fmt: "In SOT marker, TPSot (%d) is not valid regards to the previous "
4520 "number of tile-part (%d), giving up\n", l_current_part,
4521 l_tcp->m_nb_tile_parts);
4522 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4523 return OPJ_FALSE;
4524 }
4525
4526 if (l_num_parts !=
4527 0) { /* Number of tile-part header is provided by this tile-part header */
4528 l_num_parts += p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction;
4529 /* Useful to manage the case of textGBR.jp2 file because two values of TNSot are allowed: the correct numbers of
4530 * tile-parts for that tile and zero (A.4.2 of 15444-1 : 2002). */
4531 if (l_tcp->m_nb_tile_parts) {
4532 if (l_current_part >= l_tcp->m_nb_tile_parts) {
4533 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4534 fmt: "In SOT marker, TPSot (%d) is not valid regards to the current "
4535 "number of tile-part (%d), giving up\n", l_current_part,
4536 l_tcp->m_nb_tile_parts);
4537 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4538 return OPJ_FALSE;
4539 }
4540 }
4541 if (l_current_part >= l_num_parts) {
4542 /* testcase 451.pdf.SIGSEGV.ce9.3723 */
4543 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4544 fmt: "In SOT marker, TPSot (%d) is not valid regards to the current "
4545 "number of tile-part (header) (%d), giving up\n", l_current_part, l_num_parts);
4546 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4547 return OPJ_FALSE;
4548 }
4549 l_tcp->m_nb_tile_parts = l_num_parts;
4550 }
4551
4552 /* If know the number of tile part header we will check if we didn't read the last*/
4553 if (l_tcp->m_nb_tile_parts) {
4554 if (l_tcp->m_nb_tile_parts == (l_current_part + 1)) {
4555 p_j2k->m_specific_param.m_decoder.m_can_decode =
4556 1; /* Process the last tile-part header*/
4557 }
4558 }
4559
4560 if (!p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4561 /* Keep the size of data to skip after this marker */
4562 p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len -
4563 12; /* SOT_marker_size = 12 */
4564 } else {
4565 /* FIXME: need to be computed from the number of bytes remaining in the codestream */
4566 p_j2k->m_specific_param.m_decoder.m_sot_length = 0;
4567 }
4568
4569 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPH;
4570
4571 /* Check if the current tile is outside the area we want decode or not corresponding to the tile index*/
4572 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec == -1) {
4573 p_j2k->m_specific_param.m_decoder.m_skip_data =
4574 (l_tile_x < p_j2k->m_specific_param.m_decoder.m_start_tile_x)
4575 || (l_tile_x >= p_j2k->m_specific_param.m_decoder.m_end_tile_x)
4576 || (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y)
4577 || (l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y);
4578 } else {
4579 assert(p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec >= 0);
4580 p_j2k->m_specific_param.m_decoder.m_skip_data =
4581 (p_j2k->m_current_tile_number != (OPJ_UINT32)
4582 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec);
4583 }
4584
4585 /* Index */
4586 if (p_j2k->cstr_index) {
4587 assert(p_j2k->cstr_index->tile_index != 00);
4588 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tileno =
4589 p_j2k->m_current_tile_number;
4590 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno =
4591 l_current_part;
4592
4593 if (l_num_parts != 0) {
4594 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps =
4595 l_num_parts;
4596 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4597 l_num_parts;
4598
4599 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4600 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4601 (opj_tp_index_t*)opj_calloc(numOfElements: l_num_parts, sizeOfElements: sizeof(opj_tp_index_t));
4602 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4603 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4604 fmt: "Not enough memory to read SOT marker. Tile index allocation failed\n");
4605 return OPJ_FALSE;
4606 }
4607 } else {
4608 opj_tp_index_t *new_tp_index = (opj_tp_index_t *) opj_realloc(
4609 m: p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4610 s: l_num_parts * sizeof(opj_tp_index_t));
4611 if (! new_tp_index) {
4612 opj_free(m: p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4613 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4614 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4615 fmt: "Not enough memory to read SOT marker. Tile index allocation failed\n");
4616 return OPJ_FALSE;
4617 }
4618 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4619 new_tp_index;
4620 }
4621 } else {
4622 /*if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index)*/ {
4623
4624 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4625 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 10;
4626 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4627 (opj_tp_index_t*)opj_calloc(
4628 numOfElements: p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps,
4629 sizeOfElements: sizeof(opj_tp_index_t));
4630 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4631 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4632 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4633 fmt: "Not enough memory to read SOT marker. Tile index allocation failed\n");
4634 return OPJ_FALSE;
4635 }
4636 }
4637
4638 if (l_current_part >=
4639 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps) {
4640 opj_tp_index_t *new_tp_index;
4641 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4642 l_current_part + 1;
4643 new_tp_index = (opj_tp_index_t *) opj_realloc(
4644 m: p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4645 s: p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps *
4646 sizeof(opj_tp_index_t));
4647 if (! new_tp_index) {
4648 opj_free(m: p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4649 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4650 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4651 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4652 fmt: "Not enough memory to read SOT marker. Tile index allocation failed\n");
4653 return OPJ_FALSE;
4654 }
4655 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4656 new_tp_index;
4657 }
4658 }
4659
4660 }
4661
4662 }
4663
4664 /* FIXME move this onto a separate method to call before reading any SOT, remove part about main_end header, use a index struct inside p_j2k */
4665 /* if (p_j2k->cstr_info) {
4666 if (l_tcp->first) {
4667 if (tileno == 0) {
4668 p_j2k->cstr_info->main_head_end = p_stream_tell(p_stream) - 13;
4669 }
4670
4671 p_j2k->cstr_info->tile[tileno].tileno = tileno;
4672 p_j2k->cstr_info->tile[tileno].start_pos = p_stream_tell(p_stream) - 12;
4673 p_j2k->cstr_info->tile[tileno].end_pos = p_j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
4674 p_j2k->cstr_info->tile[tileno].num_tps = numparts;
4675
4676 if (numparts) {
4677 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
4678 }
4679 else {
4680 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
4681 }
4682 }
4683 else {
4684 p_j2k->cstr_info->tile[tileno].end_pos += totlen;
4685 }
4686
4687 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = p_stream_tell(p_stream) - 12;
4688 p_j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
4689 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
4690 }*/
4691 return OPJ_TRUE;
4692}
4693
4694/**
4695 * Write one or more PLT markers in the provided buffer
4696 */
4697static OPJ_BOOL opj_j2k_write_plt_in_memory(opj_j2k_t *p_j2k,
4698 opj_tcd_marker_info_t* marker_info,
4699 OPJ_BYTE * p_data,
4700 OPJ_UINT32 * p_data_written,
4701 opj_event_mgr_t * p_manager)
4702{
4703 OPJ_BYTE Zplt = 0;
4704 OPJ_UINT16 Lplt;
4705 OPJ_BYTE* p_data_start = p_data;
4706 OPJ_BYTE* p_data_Lplt = p_data + 2;
4707 OPJ_UINT32 i;
4708
4709 OPJ_UNUSED(p_j2k);
4710
4711 opj_write_bytes(p_buffer: p_data, J2K_MS_PLT, p_nb_bytes: 2);
4712 p_data += 2;
4713
4714 /* Reserve space for Lplt */
4715 p_data += 2;
4716
4717 opj_write_bytes(p_buffer: p_data, p_value: Zplt, p_nb_bytes: 1);
4718 p_data += 1;
4719
4720 Lplt = 3;
4721
4722 for (i = 0; i < marker_info->packet_count; i++) {
4723 OPJ_BYTE var_bytes[5];
4724 OPJ_UINT8 var_bytes_size = 0;
4725 OPJ_UINT32 packet_size = marker_info->p_packet_size[i];
4726
4727 /* Packet size written in variable-length way, starting with LSB */
4728 var_bytes[var_bytes_size] = (OPJ_BYTE)(packet_size & 0x7f);
4729 var_bytes_size ++;
4730 packet_size >>= 7;
4731 while (packet_size > 0) {
4732 var_bytes[var_bytes_size] = (OPJ_BYTE)((packet_size & 0x7f) | 0x80);
4733 var_bytes_size ++;
4734 packet_size >>= 7;
4735 }
4736
4737 /* Check if that can fit in the current PLT marker. If not, finish */
4738 /* current one, and start a new one */
4739 if (Lplt + var_bytes_size > 65535) {
4740 if (Zplt == 255) {
4741 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4742 fmt: "More than 255 PLT markers would be needed for current tile-part !\n");
4743 return OPJ_FALSE;
4744 }
4745
4746 /* Patch Lplt */
4747 opj_write_bytes(p_buffer: p_data_Lplt, p_value: Lplt, p_nb_bytes: 2);
4748
4749 /* Start new segment */
4750 opj_write_bytes(p_buffer: p_data, J2K_MS_PLT, p_nb_bytes: 2);
4751 p_data += 2;
4752
4753 /* Reserve space for Lplt */
4754 p_data_Lplt = p_data;
4755 p_data += 2;
4756
4757 Zplt ++;
4758 opj_write_bytes(p_buffer: p_data, p_value: Zplt, p_nb_bytes: 1);
4759 p_data += 1;
4760
4761 Lplt = 3;
4762 }
4763
4764 Lplt = (OPJ_UINT16)(Lplt + var_bytes_size);
4765
4766 /* Serialize variable-length packet size, starting with MSB */
4767 for (; var_bytes_size > 0; --var_bytes_size) {
4768 opj_write_bytes(p_buffer: p_data, p_value: var_bytes[var_bytes_size - 1], p_nb_bytes: 1);
4769 p_data += 1;
4770 }
4771 }
4772
4773 *p_data_written = (OPJ_UINT32)(p_data - p_data_start);
4774
4775 /* Patch Lplt */
4776 opj_write_bytes(p_buffer: p_data_Lplt, p_value: Lplt, p_nb_bytes: 2);
4777
4778 return OPJ_TRUE;
4779}
4780
4781static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
4782 opj_tcd_t * p_tile_coder,
4783 OPJ_BYTE * p_data,
4784 OPJ_UINT32 * p_data_written,
4785 OPJ_UINT32 total_data_size,
4786 const opj_stream_private_t *p_stream,
4787 opj_event_mgr_t * p_manager
4788 )
4789{
4790 opj_codestream_info_t *l_cstr_info = 00;
4791 OPJ_UINT32 l_remaining_data;
4792 opj_tcd_marker_info_t* marker_info = NULL;
4793
4794 /* preconditions */
4795 assert(p_j2k != 00);
4796 assert(p_manager != 00);
4797 assert(p_stream != 00);
4798
4799 OPJ_UNUSED(p_stream);
4800
4801 if (total_data_size < 4) {
4802 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4803 fmt: "Not enough bytes in output buffer to write SOD marker\n");
4804 return OPJ_FALSE;
4805 }
4806
4807 opj_write_bytes(p_buffer: p_data, J2K_MS_SOD,
4808 p_nb_bytes: 2); /* SOD */
4809
4810 /* make room for the EOF marker */
4811 l_remaining_data = total_data_size - 4;
4812
4813 /* update tile coder */
4814 p_tile_coder->tp_num =
4815 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number ;
4816 p_tile_coder->cur_tp_num =
4817 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
4818
4819 /* INDEX >> */
4820 /* TODO mergeV2: check this part which use cstr_info */
4821 /*l_cstr_info = p_j2k->cstr_info;
4822 if (l_cstr_info) {
4823 if (!p_j2k->m_specific_param.m_encoder.m_current_tile_part_number ) {
4824 //TODO cstr_info->tile[p_j2k->m_current_tile_number].end_header = p_stream_tell(p_stream) + p_j2k->pos_correction - 1;
4825 l_cstr_info->tile[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
4826 }
4827 else {*/
4828 /*
4829 TODO
4830 if
4831 (cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno - 1].end_pos < p_stream_tell(p_stream))
4832 {
4833 cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno].start_pos = p_stream_tell(p_stream);
4834 }*/
4835 /*}*/
4836 /* UniPG>> */
4837#ifdef USE_JPWL
4838 /* update markers struct */
4839 /*OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOD, p_j2k->sod_start, 2);
4840 */
4841 assert(0 && "TODO");
4842#endif /* USE_JPWL */
4843 /* <<UniPG */
4844 /*}*/
4845 /* << INDEX */
4846
4847 if (p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0) {
4848 p_tile_coder->tcd_image->tiles->packno = 0;
4849#ifdef deadcode
4850 if (l_cstr_info) {
4851 l_cstr_info->packno = 0;
4852 }
4853#endif
4854 }
4855
4856 *p_data_written = 0;
4857
4858 if (p_j2k->m_specific_param.m_encoder.m_PLT) {
4859 marker_info = opj_tcd_marker_info_create(
4860 need_PLT: p_j2k->m_specific_param.m_encoder.m_PLT);
4861 if (marker_info == NULL) {
4862 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4863 fmt: "Cannot encode tile: opj_tcd_marker_info_create() failed\n");
4864 return OPJ_FALSE;
4865 }
4866 }
4867
4868 if (l_remaining_data <
4869 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT) {
4870 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4871 fmt: "Not enough bytes in output buffer to write SOD marker\n");
4872 opj_tcd_marker_info_destroy(p_tcd_marker_info: marker_info);
4873 return OPJ_FALSE;
4874 }
4875 l_remaining_data -= p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT;
4876
4877 if (! opj_tcd_encode_tile(p_tcd: p_tile_coder, p_tile_no: p_j2k->m_current_tile_number,
4878 p_dest: p_data + 2,
4879 p_data_written, p_len: l_remaining_data, p_cstr_info: l_cstr_info,
4880 p_marker_info: marker_info,
4881 p_manager)) {
4882 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Cannot encode tile\n");
4883 opj_tcd_marker_info_destroy(p_tcd_marker_info: marker_info);
4884 return OPJ_FALSE;
4885 }
4886
4887 /* For SOD */
4888 *p_data_written += 2;
4889
4890 if (p_j2k->m_specific_param.m_encoder.m_PLT) {
4891 OPJ_UINT32 l_data_written_PLT = 0;
4892 OPJ_BYTE* p_PLT_buffer = (OPJ_BYTE*)opj_malloc(
4893 size: p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT);
4894 if (!p_PLT_buffer) {
4895 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Cannot allocate memory\n");
4896 opj_tcd_marker_info_destroy(p_tcd_marker_info: marker_info);
4897 return OPJ_FALSE;
4898 }
4899 if (!opj_j2k_write_plt_in_memory(p_j2k,
4900 marker_info,
4901 p_data: p_PLT_buffer,
4902 p_data_written: &l_data_written_PLT,
4903 p_manager)) {
4904 opj_tcd_marker_info_destroy(p_tcd_marker_info: marker_info);
4905 opj_free(m: p_PLT_buffer);
4906 return OPJ_FALSE;
4907 }
4908
4909 assert(l_data_written_PLT <=
4910 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT);
4911
4912 /* Move PLT marker(s) before SOD */
4913 memmove(dest: p_data + l_data_written_PLT, src: p_data, n: *p_data_written);
4914 memcpy(dest: p_data, src: p_PLT_buffer, n: l_data_written_PLT);
4915 opj_free(m: p_PLT_buffer);
4916 *p_data_written += l_data_written_PLT;
4917 }
4918
4919 opj_tcd_marker_info_destroy(p_tcd_marker_info: marker_info);
4920
4921 return OPJ_TRUE;
4922}
4923
4924static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
4925 opj_stream_private_t *p_stream,
4926 opj_event_mgr_t * p_manager
4927 )
4928{
4929 OPJ_SIZE_T l_current_read_size;
4930 opj_codestream_index_t * l_cstr_index = 00;
4931 OPJ_BYTE ** l_current_data = 00;
4932 opj_tcp_t * l_tcp = 00;
4933 OPJ_UINT32 * l_tile_len = 00;
4934 OPJ_BOOL l_sot_length_pb_detected = OPJ_FALSE;
4935
4936 /* preconditions */
4937 assert(p_j2k != 00);
4938 assert(p_manager != 00);
4939 assert(p_stream != 00);
4940
4941 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
4942
4943 if (p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4944 /* opj_stream_get_number_byte_left returns OPJ_OFF_T
4945 // but we are in the last tile part,
4946 // so its result will fit on OPJ_UINT32 unless we find
4947 // a file with a single tile part of more than 4 GB...*/
4948 p_j2k->m_specific_param.m_decoder.m_sot_length = (OPJ_UINT32)(
4949 opj_stream_get_number_byte_left(p_stream) - 2);
4950 } else {
4951 /* Check to avoid pass the limit of OPJ_UINT32 */
4952 if (p_j2k->m_specific_param.m_decoder.m_sot_length >= 2) {
4953 p_j2k->m_specific_param.m_decoder.m_sot_length -= 2;
4954 } else {
4955 /* MSD: case commented to support empty SOT marker (PHR data) */
4956 }
4957 }
4958
4959 l_current_data = &(l_tcp->m_data);
4960 l_tile_len = &l_tcp->m_data_size;
4961
4962 /* Patch to support new PHR data */
4963 if (p_j2k->m_specific_param.m_decoder.m_sot_length) {
4964 /* If we are here, we'll try to read the data after allocation */
4965 /* Check enough bytes left in stream before allocation */
4966 if ((OPJ_OFF_T)p_j2k->m_specific_param.m_decoder.m_sot_length >
4967 opj_stream_get_number_byte_left(p_stream)) {
4968 if (p_j2k->m_cp.strict) {
4969 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4970 fmt: "Tile part length size inconsistent with stream length\n");
4971 return OPJ_FALSE;
4972 } else {
4973 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
4974 fmt: "Tile part length size inconsistent with stream length\n");
4975 }
4976 }
4977 if (p_j2k->m_specific_param.m_decoder.m_sot_length >
4978 UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA) {
4979 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4980 fmt: "p_j2k->m_specific_param.m_decoder.m_sot_length > "
4981 "UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA");
4982 return OPJ_FALSE;
4983 }
4984 /* Add a margin of OPJ_COMMON_CBLK_DATA_EXTRA to the allocation we */
4985 /* do so that opj_mqc_init_dec_common() can safely add a synthetic */
4986 /* 0xFFFF marker. */
4987 if (! *l_current_data) {
4988 /* LH: oddly enough, in this path, l_tile_len!=0.
4989 * TODO: If this was consistent, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...).
4990 */
4991 *l_current_data = (OPJ_BYTE*) opj_malloc(
4992 size: p_j2k->m_specific_param.m_decoder.m_sot_length + OPJ_COMMON_CBLK_DATA_EXTRA);
4993 } else {
4994 OPJ_BYTE *l_new_current_data;
4995 if (*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA -
4996 p_j2k->m_specific_param.m_decoder.m_sot_length) {
4997 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
4998 fmt: "*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA - "
4999 "p_j2k->m_specific_param.m_decoder.m_sot_length");
5000 return OPJ_FALSE;
5001 }
5002
5003 l_new_current_data = (OPJ_BYTE *) opj_realloc(m: *l_current_data,
5004 s: *l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length +
5005 OPJ_COMMON_CBLK_DATA_EXTRA);
5006 if (! l_new_current_data) {
5007 opj_free(m: *l_current_data);
5008 /*nothing more is done as l_current_data will be set to null, and just
5009 afterward we enter in the error path
5010 and the actual tile_len is updated (committed) at the end of the
5011 function. */
5012 }
5013 *l_current_data = l_new_current_data;
5014 }
5015
5016 if (*l_current_data == 00) {
5017 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to decode tile\n");
5018 return OPJ_FALSE;
5019 }
5020 } else {
5021 l_sot_length_pb_detected = OPJ_TRUE;
5022 }
5023
5024 /* Index */
5025 l_cstr_index = p_j2k->cstr_index;
5026 if (l_cstr_index) {
5027 OPJ_OFF_T l_current_pos = opj_stream_tell(p_stream) - 2;
5028
5029 OPJ_UINT32 l_current_tile_part =
5030 l_cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno;
5031 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_header
5032 =
5033 l_current_pos;
5034 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_pos
5035 =
5036 l_current_pos + p_j2k->m_specific_param.m_decoder.m_sot_length + 2;
5037
5038 if (OPJ_FALSE == opj_j2k_add_tlmarker(tileno: p_j2k->m_current_tile_number,
5039 cstr_index: l_cstr_index,
5040 J2K_MS_SOD,
5041 pos: l_current_pos,
5042 len: p_j2k->m_specific_param.m_decoder.m_sot_length + 2)) {
5043 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to add tl marker\n");
5044 return OPJ_FALSE;
5045 }
5046
5047 /*l_cstr_index->packno = 0;*/
5048 }
5049
5050 /* Patch to support new PHR data */
5051 if (!l_sot_length_pb_detected) {
5052 l_current_read_size = opj_stream_read_data(
5053 p_stream,
5054 p_buffer: *l_current_data + *l_tile_len,
5055 p_size: p_j2k->m_specific_param.m_decoder.m_sot_length,
5056 p_event_mgr: p_manager);
5057 } else {
5058 l_current_read_size = 0;
5059 }
5060
5061 if (l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length) {
5062 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
5063 } else {
5064 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
5065 }
5066
5067 *l_tile_len += (OPJ_UINT32)l_current_read_size;
5068
5069 return OPJ_TRUE;
5070}
5071
5072static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
5073 OPJ_UINT32 p_tile_no,
5074 OPJ_UINT32 p_comp_no,
5075 OPJ_UINT32 nb_comps,
5076 opj_stream_private_t *p_stream,
5077 opj_event_mgr_t * p_manager
5078 )
5079{
5080 OPJ_BYTE * l_current_data = 00;
5081 OPJ_UINT32 l_rgn_size;
5082 opj_cp_t *l_cp = 00;
5083 opj_tcp_t *l_tcp = 00;
5084 opj_tccp_t *l_tccp = 00;
5085 OPJ_UINT32 l_comp_room;
5086
5087 /* preconditions */
5088 assert(p_j2k != 00);
5089 assert(p_manager != 00);
5090 assert(p_stream != 00);
5091
5092 l_cp = &(p_j2k->m_cp);
5093 l_tcp = &l_cp->tcps[p_tile_no];
5094 l_tccp = &l_tcp->tccps[p_comp_no];
5095
5096 if (nb_comps <= 256) {
5097 l_comp_room = 1;
5098 } else {
5099 l_comp_room = 2;
5100 }
5101
5102 l_rgn_size = 6 + l_comp_room;
5103
5104 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5105
5106 opj_write_bytes(p_buffer: l_current_data, J2K_MS_RGN,
5107 p_nb_bytes: 2); /* RGN */
5108 l_current_data += 2;
5109
5110 opj_write_bytes(p_buffer: l_current_data, p_value: l_rgn_size - 2,
5111 p_nb_bytes: 2); /* Lrgn */
5112 l_current_data += 2;
5113
5114 opj_write_bytes(p_buffer: l_current_data, p_value: p_comp_no,
5115 p_nb_bytes: l_comp_room); /* Crgn */
5116 l_current_data += l_comp_room;
5117
5118 opj_write_bytes(p_buffer: l_current_data, p_value: 0,
5119 p_nb_bytes: 1); /* Srgn */
5120 ++l_current_data;
5121
5122 opj_write_bytes(p_buffer: l_current_data, p_value: (OPJ_UINT32)l_tccp->roishift,
5123 p_nb_bytes: 1); /* SPrgn */
5124 ++l_current_data;
5125
5126 if (opj_stream_write_data(p_stream,
5127 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_rgn_size,
5128 p_event_mgr: p_manager) != l_rgn_size) {
5129 return OPJ_FALSE;
5130 }
5131
5132 return OPJ_TRUE;
5133}
5134
5135static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
5136 opj_stream_private_t *p_stream,
5137 opj_event_mgr_t * p_manager
5138 )
5139{
5140 /* preconditions */
5141 assert(p_j2k != 00);
5142 assert(p_manager != 00);
5143 assert(p_stream != 00);
5144
5145 opj_write_bytes(p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data,
5146 J2K_MS_EOC, p_nb_bytes: 2); /* EOC */
5147
5148 /* UniPG>> */
5149#ifdef USE_JPWL
5150 /* update markers struct */
5151 /*
5152 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_EOC, p_stream_tell(p_stream) - 2, 2);
5153 */
5154#endif /* USE_JPWL */
5155
5156 if (opj_stream_write_data(p_stream,
5157 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: 2, p_event_mgr: p_manager) != 2) {
5158 return OPJ_FALSE;
5159 }
5160
5161 if (! opj_stream_flush(p_stream, p_event_mgr: p_manager)) {
5162 return OPJ_FALSE;
5163 }
5164
5165 return OPJ_TRUE;
5166}
5167
5168/**
5169 * Reads a RGN marker (Region Of Interest)
5170 *
5171 * @param p_header_data the data contained in the POC box.
5172 * @param p_j2k the jpeg2000 codec.
5173 * @param p_header_size the size of the data contained in the POC marker.
5174 * @param p_manager the user event manager.
5175*/
5176static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
5177 OPJ_BYTE * p_header_data,
5178 OPJ_UINT32 p_header_size,
5179 opj_event_mgr_t * p_manager
5180 )
5181{
5182 OPJ_UINT32 l_nb_comp;
5183 opj_image_t * l_image = 00;
5184
5185 opj_cp_t *l_cp = 00;
5186 opj_tcp_t *l_tcp = 00;
5187 OPJ_UINT32 l_comp_room, l_comp_no, l_roi_sty;
5188
5189 /* preconditions*/
5190 assert(p_header_data != 00);
5191 assert(p_j2k != 00);
5192 assert(p_manager != 00);
5193
5194 l_image = p_j2k->m_private_image;
5195 l_nb_comp = l_image->numcomps;
5196
5197 if (l_nb_comp <= 256) {
5198 l_comp_room = 1;
5199 } else {
5200 l_comp_room = 2;
5201 }
5202
5203 if (p_header_size != 2 + l_comp_room) {
5204 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading RGN marker\n");
5205 return OPJ_FALSE;
5206 }
5207
5208 l_cp = &(p_j2k->m_cp);
5209 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
5210 &l_cp->tcps[p_j2k->m_current_tile_number] :
5211 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5212
5213 opj_read_bytes(p_buffer: p_header_data, p_value: &l_comp_no, p_nb_bytes: l_comp_room); /* Crgn */
5214 p_header_data += l_comp_room;
5215 opj_read_bytes(p_buffer: p_header_data, p_value: &l_roi_sty,
5216 p_nb_bytes: 1); /* Srgn */
5217 ++p_header_data;
5218
5219#ifdef USE_JPWL
5220 if (l_cp->correct) {
5221 /* totlen is negative or larger than the bytes left!!! */
5222 if (l_comp_room >= l_nb_comp) {
5223 opj_event_msg(p_manager, EVT_ERROR,
5224 "JPWL: bad component number in RGN (%d when there are only %d)\n",
5225 l_comp_room, l_nb_comp);
5226 if (!JPWL_ASSUME) {
5227 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
5228 return OPJ_FALSE;
5229 }
5230 }
5231 };
5232#endif /* USE_JPWL */
5233
5234 /* testcase 3635.pdf.asan.77.2930 */
5235 if (l_comp_no >= l_nb_comp) {
5236 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
5237 fmt: "bad component number in RGN (%d when there are only %d)\n",
5238 l_comp_no, l_nb_comp);
5239 return OPJ_FALSE;
5240 }
5241
5242 opj_read_bytes(p_buffer: p_header_data,
5243 p_value: (OPJ_UINT32 *)(&(l_tcp->tccps[l_comp_no].roishift)), p_nb_bytes: 1); /* SPrgn */
5244 ++p_header_data;
5245
5246 return OPJ_TRUE;
5247
5248}
5249
5250static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)
5251{
5252 return (OPJ_FLOAT32)((p_tcp->m_nb_tile_parts - 1) * 14);
5253}
5254
5255static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp)
5256{
5257 (void)p_tcp;
5258 return 0;
5259}
5260
5261static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
5262 opj_stream_private_t *p_stream,
5263 opj_event_mgr_t * p_manager)
5264{
5265 opj_cp_t * l_cp = 00;
5266 opj_image_t * l_image = 00;
5267 opj_tcp_t * l_tcp = 00;
5268 opj_image_comp_t * l_img_comp = 00;
5269
5270 OPJ_UINT32 i, j, k;
5271 OPJ_INT32 l_x0, l_y0, l_x1, l_y1;
5272 OPJ_FLOAT32 * l_rates = 0;
5273 OPJ_FLOAT32 l_sot_remove;
5274 OPJ_UINT32 l_bits_empty, l_size_pixel;
5275 OPJ_UINT64 l_tile_size = 0;
5276 OPJ_UINT32 l_last_res;
5277 OPJ_FLOAT32(* l_tp_stride_func)(opj_tcp_t *) = 00;
5278
5279 /* preconditions */
5280 assert(p_j2k != 00);
5281 assert(p_manager != 00);
5282 assert(p_stream != 00);
5283
5284 OPJ_UNUSED(p_manager);
5285
5286 l_cp = &(p_j2k->m_cp);
5287 l_image = p_j2k->m_private_image;
5288 l_tcp = l_cp->tcps;
5289
5290 l_bits_empty = 8 * l_image->comps->dx * l_image->comps->dy;
5291 l_size_pixel = l_image->numcomps * l_image->comps->prec;
5292 l_sot_remove = (OPJ_FLOAT32) opj_stream_tell(p_stream) / (OPJ_FLOAT32)(
5293 l_cp->th * l_cp->tw);
5294
5295 if (l_cp->m_specific_param.m_enc.m_tp_on) {
5296 l_tp_stride_func = opj_j2k_get_tp_stride;
5297 } else {
5298 l_tp_stride_func = opj_j2k_get_default_stride;
5299 }
5300
5301 for (i = 0; i < l_cp->th; ++i) {
5302 for (j = 0; j < l_cp->tw; ++j) {
5303 OPJ_FLOAT32 l_offset = (OPJ_FLOAT32)(*l_tp_stride_func)(l_tcp) /
5304 (OPJ_FLOAT32)l_tcp->numlayers;
5305
5306 /* 4 borders of the tile rescale on the image if necessary */
5307 l_x0 = opj_int_max(a: (OPJ_INT32)(l_cp->tx0 + j * l_cp->tdx),
5308 b: (OPJ_INT32)l_image->x0);
5309 l_y0 = opj_int_max(a: (OPJ_INT32)(l_cp->ty0 + i * l_cp->tdy),
5310 b: (OPJ_INT32)l_image->y0);
5311 l_x1 = opj_int_min(a: (OPJ_INT32)(l_cp->tx0 + (j + 1) * l_cp->tdx),
5312 b: (OPJ_INT32)l_image->x1);
5313 l_y1 = opj_int_min(a: (OPJ_INT32)(l_cp->ty0 + (i + 1) * l_cp->tdy),
5314 b: (OPJ_INT32)l_image->y1);
5315
5316 l_rates = l_tcp->rates;
5317
5318 /* Modification of the RATE >> */
5319 for (k = 0; k < l_tcp->numlayers; ++k) {
5320 if (*l_rates > 0.0f) {
5321 *l_rates = (OPJ_FLOAT32)(((OPJ_FLOAT64)l_size_pixel * (OPJ_UINT32)(
5322 l_x1 - l_x0) *
5323 (OPJ_UINT32)(l_y1 - l_y0))
5324 / ((*l_rates) * (OPJ_FLOAT32)l_bits_empty))
5325 -
5326 l_offset;
5327 }
5328
5329 ++l_rates;
5330 }
5331
5332 ++l_tcp;
5333
5334 }
5335 }
5336
5337 l_tcp = l_cp->tcps;
5338
5339 for (i = 0; i < l_cp->th; ++i) {
5340 for (j = 0; j < l_cp->tw; ++j) {
5341 l_rates = l_tcp->rates;
5342
5343 if (*l_rates > 0.0f) {
5344 *l_rates -= l_sot_remove;
5345
5346 if (*l_rates < 30.0f) {
5347 *l_rates = 30.0f;
5348 }
5349 }
5350
5351 ++l_rates;
5352
5353 l_last_res = l_tcp->numlayers - 1;
5354
5355 for (k = 1; k < l_last_res; ++k) {
5356
5357 if (*l_rates > 0.0f) {
5358 *l_rates -= l_sot_remove;
5359
5360 if (*l_rates < * (l_rates - 1) + 10.0f) {
5361 *l_rates = (*(l_rates - 1)) + 20.0f;
5362 }
5363 }
5364
5365 ++l_rates;
5366 }
5367
5368 if (*l_rates > 0.0f) {
5369 *l_rates -= (l_sot_remove + 2.f);
5370
5371 if (*l_rates < * (l_rates - 1) + 10.0f) {
5372 *l_rates = (*(l_rates - 1)) + 20.0f;
5373 }
5374 }
5375
5376 ++l_tcp;
5377 }
5378 }
5379
5380 l_img_comp = l_image->comps;
5381 l_tile_size = 0;
5382
5383 for (i = 0; i < l_image->numcomps; ++i) {
5384 l_tile_size += (OPJ_UINT64)opj_uint_ceildiv(a: l_cp->tdx, b: l_img_comp->dx)
5385 *
5386 opj_uint_ceildiv(a: l_cp->tdy, b: l_img_comp->dy)
5387 *
5388 l_img_comp->prec;
5389
5390 ++l_img_comp;
5391 }
5392
5393 /* TODO: where does this magic value come from ? */
5394 /* This used to be 1.3 / 8, but with random data and very small code */
5395 /* block sizes, this is not enough. For example with */
5396 /* bin/test_tile_encoder 1 256 256 32 32 8 0 reversible_with_precinct.j2k 4 4 3 0 0 1 16 16 */
5397 /* TODO revise this to take into account the overhead linked to the */
5398 /* number of packets and number of code blocks in packets */
5399 l_tile_size = (OPJ_UINT64)((double)l_tile_size * 1.4 / 8);
5400
5401 /* Arbitrary amount to make the following work: */
5402 /* bin/test_tile_encoder 1 256 256 17 16 8 0 reversible_no_precinct.j2k 4 4 3 0 0 1 */
5403 l_tile_size += 500;
5404
5405 l_tile_size += opj_j2k_get_specific_header_sizes(p_j2k);
5406
5407 if (l_tile_size > UINT_MAX) {
5408 l_tile_size = UINT_MAX;
5409 }
5410
5411 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = (OPJ_UINT32)l_tile_size;
5412 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data =
5413 (OPJ_BYTE *) opj_malloc(size: p_j2k->m_specific_param.m_encoder.m_encoded_tile_size);
5414 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00) {
5415 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
5416 fmt: "Not enough memory to allocate m_encoded_tile_data. %u MB required\n",
5417 (OPJ_UINT32)(l_tile_size / 1024 / 1024));
5418 return OPJ_FALSE;
5419 }
5420
5421 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
5422 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer =
5423 (OPJ_BYTE *) opj_malloc(size: 6 *
5424 p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
5425 if (! p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
5426 return OPJ_FALSE;
5427 }
5428
5429 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current =
5430 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer;
5431 }
5432
5433 return OPJ_TRUE;
5434}
5435
5436#if 0
5437static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
5438 opj_stream_private_t *p_stream,
5439 opj_event_mgr_t * p_manager)
5440{
5441 OPJ_UINT32 i;
5442 opj_tcd_t * l_tcd = 00;
5443 OPJ_UINT32 l_nb_tiles;
5444 opj_tcp_t * l_tcp = 00;
5445 OPJ_BOOL l_success;
5446
5447 /* preconditions */
5448 assert(p_j2k != 00);
5449 assert(p_manager != 00);
5450 assert(p_stream != 00);
5451
5452 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
5453 l_tcp = p_j2k->m_cp.tcps;
5454
5455 l_tcd = opj_tcd_create(OPJ_TRUE);
5456 if (l_tcd == 00) {
5457 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5458 return OPJ_FALSE;
5459 }
5460
5461 for (i = 0; i < l_nb_tiles; ++i) {
5462 if (l_tcp->m_data) {
5463 if (! opj_tcd_init_decode_tile(l_tcd, i)) {
5464 opj_tcd_destroy(l_tcd);
5465 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5466 return OPJ_FALSE;
5467 }
5468
5469 l_success = opj_tcd_decode_tile(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i,
5470 p_j2k->cstr_index);
5471 /* cleanup */
5472
5473 if (! l_success) {
5474 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
5475 break;
5476 }
5477 }
5478
5479 opj_j2k_tcp_destroy(l_tcp);
5480 ++l_tcp;
5481 }
5482
5483 opj_tcd_destroy(l_tcd);
5484 return OPJ_TRUE;
5485}
5486#endif
5487
5488static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
5489 struct opj_stream_private *p_stream,
5490 struct opj_event_mgr * p_manager)
5491{
5492 /* preconditions */
5493 assert(p_j2k != 00);
5494 assert(p_manager != 00);
5495 assert(p_stream != 00);
5496
5497 OPJ_UNUSED(p_manager);
5498
5499 p_j2k->cstr_index->main_head_end = opj_stream_tell(p_stream);
5500
5501 return OPJ_TRUE;
5502}
5503
5504static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
5505 struct opj_stream_private *p_stream,
5506 struct opj_event_mgr * p_manager)
5507{
5508 OPJ_UINT32 i;
5509 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5510 opj_mct_data_t * l_mct_record;
5511 opj_tcp_t * l_tcp;
5512
5513 /* preconditions */
5514 assert(p_j2k != 00);
5515 assert(p_stream != 00);
5516 assert(p_manager != 00);
5517
5518 if (! opj_j2k_write_cbd(p_j2k, p_stream, p_manager)) {
5519 return OPJ_FALSE;
5520 }
5521
5522 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
5523 l_mct_record = l_tcp->m_mct_records;
5524
5525 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5526
5527 if (! opj_j2k_write_mct_record(p_j2k, p_mct_record: l_mct_record, p_stream, p_manager)) {
5528 return OPJ_FALSE;
5529 }
5530
5531 ++l_mct_record;
5532 }
5533
5534 l_mcc_record = l_tcp->m_mcc_records;
5535
5536 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5537
5538 if (! opj_j2k_write_mcc_record(p_j2k, p_mcc_record: l_mcc_record, p_stream, p_manager)) {
5539 return OPJ_FALSE;
5540 }
5541
5542 ++l_mcc_record;
5543 }
5544
5545 if (! opj_j2k_write_mco(p_j2k, p_stream, p_manager)) {
5546 return OPJ_FALSE;
5547 }
5548
5549 return OPJ_TRUE;
5550}
5551
5552static OPJ_BOOL opj_j2k_write_all_coc(
5553 opj_j2k_t *p_j2k,
5554 struct opj_stream_private *p_stream,
5555 struct opj_event_mgr * p_manager)
5556{
5557 OPJ_UINT32 compno;
5558
5559 /* preconditions */
5560 assert(p_j2k != 00);
5561 assert(p_manager != 00);
5562 assert(p_stream != 00);
5563
5564 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5565 /* cod is first component of first tile */
5566 if (! opj_j2k_compare_coc(p_j2k, p_first_comp_no: 0, p_second_comp_no: compno)) {
5567 if (! opj_j2k_write_coc(p_j2k, p_comp_no: compno, p_stream, p_manager)) {
5568 return OPJ_FALSE;
5569 }
5570 }
5571 }
5572
5573 return OPJ_TRUE;
5574}
5575
5576static OPJ_BOOL opj_j2k_write_all_qcc(
5577 opj_j2k_t *p_j2k,
5578 struct opj_stream_private *p_stream,
5579 struct opj_event_mgr * p_manager)
5580{
5581 OPJ_UINT32 compno;
5582
5583 /* preconditions */
5584 assert(p_j2k != 00);
5585 assert(p_manager != 00);
5586 assert(p_stream != 00);
5587
5588 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5589 /* qcd is first component of first tile */
5590 if (! opj_j2k_compare_qcc(p_j2k, p_first_comp_no: 0, p_second_comp_no: compno)) {
5591 if (! opj_j2k_write_qcc(p_j2k, p_comp_no: compno, p_stream, p_manager)) {
5592 return OPJ_FALSE;
5593 }
5594 }
5595 }
5596 return OPJ_TRUE;
5597}
5598
5599static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
5600 struct opj_stream_private *p_stream,
5601 struct opj_event_mgr * p_manager)
5602{
5603 OPJ_UINT32 compno;
5604 const opj_tccp_t *l_tccp = 00;
5605
5606 /* preconditions */
5607 assert(p_j2k != 00);
5608 assert(p_manager != 00);
5609 assert(p_stream != 00);
5610
5611 l_tccp = p_j2k->m_cp.tcps->tccps;
5612
5613 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
5614 if (l_tccp->roishift) {
5615
5616 if (! opj_j2k_write_rgn(p_j2k, p_tile_no: 0, p_comp_no: compno, nb_comps: p_j2k->m_private_image->numcomps,
5617 p_stream, p_manager)) {
5618 return OPJ_FALSE;
5619 }
5620 }
5621
5622 ++l_tccp;
5623 }
5624
5625 return OPJ_TRUE;
5626}
5627
5628static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
5629 struct opj_stream_private *p_stream,
5630 struct opj_event_mgr * p_manager)
5631{
5632 opj_codestream_index_t * l_cstr_index = 00;
5633
5634 /* preconditions */
5635 assert(p_j2k != 00);
5636 assert(p_manager != 00);
5637 assert(p_stream != 00);
5638
5639 OPJ_UNUSED(p_manager);
5640
5641 l_cstr_index = p_j2k->cstr_index;
5642 if (l_cstr_index) {
5643 l_cstr_index->codestream_size = (OPJ_UINT64)opj_stream_tell(p_stream);
5644 /* UniPG>> */
5645 /* The following adjustment is done to adjust the codestream size */
5646 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
5647 /* the first bunch of bytes is not in the codestream */
5648 l_cstr_index->codestream_size -= (OPJ_UINT64)l_cstr_index->main_head_start;
5649 /* <<UniPG */
5650 }
5651
5652#ifdef USE_JPWL
5653 /* preparation of JPWL marker segments */
5654#if 0
5655 if (cp->epc_on) {
5656
5657 /* encode according to JPWL */
5658 jpwl_encode(p_j2k, p_stream, image);
5659
5660 }
5661#endif
5662 assert(0 && "TODO");
5663#endif /* USE_JPWL */
5664
5665 return OPJ_TRUE;
5666}
5667
5668static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
5669 opj_stream_private_t *p_stream,
5670 OPJ_UINT32 *output_marker,
5671 opj_event_mgr_t * p_manager
5672 )
5673{
5674 OPJ_UINT32 l_unknown_marker;
5675 const opj_dec_memory_marker_handler_t * l_marker_handler;
5676 OPJ_UINT32 l_size_unk = 2;
5677
5678 /* preconditions*/
5679 assert(p_j2k != 00);
5680 assert(p_manager != 00);
5681 assert(p_stream != 00);
5682
5683 opj_event_msg(event_mgr: p_manager, EVT_WARNING, fmt: "Unknown marker\n");
5684
5685 for (;;) {
5686 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
5687 if (opj_stream_read_data(p_stream,
5688 p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data, p_size: 2, p_event_mgr: p_manager) != 2) {
5689 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short\n");
5690 return OPJ_FALSE;
5691 }
5692
5693 /* read 2 bytes as the new marker ID*/
5694 opj_read_bytes(p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data,
5695 p_value: &l_unknown_marker, p_nb_bytes: 2);
5696
5697 if (!(l_unknown_marker < 0xff00)) {
5698
5699 /* Get the marker handler from the marker ID*/
5700 l_marker_handler = opj_j2k_get_marker_handler(p_id: l_unknown_marker);
5701
5702 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
5703 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
5704 fmt: "Marker is not compliant with its position\n");
5705 return OPJ_FALSE;
5706 } else {
5707 if (l_marker_handler->id != J2K_MS_UNK) {
5708 /* Add the marker to the codestream index*/
5709 if (l_marker_handler->id != J2K_MS_SOT) {
5710 OPJ_BOOL res = opj_j2k_add_mhmarker(cstr_index: p_j2k->cstr_index, J2K_MS_UNK,
5711 pos: (OPJ_UINT32) opj_stream_tell(p_stream) - l_size_unk,
5712 len: l_size_unk);
5713 if (res == OPJ_FALSE) {
5714 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to add mh marker\n");
5715 return OPJ_FALSE;
5716 }
5717 }
5718 break; /* next marker is known and well located */
5719 } else {
5720 l_size_unk += 2;
5721 }
5722 }
5723 }
5724 }
5725
5726 *output_marker = l_marker_handler->id ;
5727
5728 return OPJ_TRUE;
5729}
5730
5731static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
5732 opj_mct_data_t * p_mct_record,
5733 struct opj_stream_private *p_stream,
5734 struct opj_event_mgr * p_manager)
5735{
5736 OPJ_UINT32 l_mct_size;
5737 OPJ_BYTE * l_current_data = 00;
5738 OPJ_UINT32 l_tmp;
5739
5740 /* preconditions */
5741 assert(p_j2k != 00);
5742 assert(p_manager != 00);
5743 assert(p_stream != 00);
5744
5745 l_mct_size = 10 + p_mct_record->m_data_size;
5746
5747 if (l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5748 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5749 m: p_j2k->m_specific_param.m_encoder.m_header_tile_data, s: l_mct_size);
5750 if (! new_header_tile_data) {
5751 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5752 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5753 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5754 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to write MCT marker\n");
5755 return OPJ_FALSE;
5756 }
5757 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5758 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mct_size;
5759 }
5760
5761 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5762
5763 opj_write_bytes(p_buffer: l_current_data, J2K_MS_MCT,
5764 p_nb_bytes: 2); /* MCT */
5765 l_current_data += 2;
5766
5767 opj_write_bytes(p_buffer: l_current_data, p_value: l_mct_size - 2,
5768 p_nb_bytes: 2); /* Lmct */
5769 l_current_data += 2;
5770
5771 opj_write_bytes(p_buffer: l_current_data, p_value: 0,
5772 p_nb_bytes: 2); /* Zmct */
5773 l_current_data += 2;
5774
5775 /* only one marker atm */
5776 l_tmp = (p_mct_record->m_index & 0xff) | (p_mct_record->m_array_type << 8) |
5777 (p_mct_record->m_element_type << 10);
5778
5779 opj_write_bytes(p_buffer: l_current_data, p_value: l_tmp, p_nb_bytes: 2);
5780 l_current_data += 2;
5781
5782 opj_write_bytes(p_buffer: l_current_data, p_value: 0,
5783 p_nb_bytes: 2); /* Ymct */
5784 l_current_data += 2;
5785
5786 memcpy(dest: l_current_data, src: p_mct_record->m_data, n: p_mct_record->m_data_size);
5787
5788 if (opj_stream_write_data(p_stream,
5789 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_mct_size,
5790 p_event_mgr: p_manager) != l_mct_size) {
5791 return OPJ_FALSE;
5792 }
5793
5794 return OPJ_TRUE;
5795}
5796
5797/**
5798 * Reads a MCT marker (Multiple Component Transform)
5799 *
5800 * @param p_header_data the data contained in the MCT box.
5801 * @param p_j2k the jpeg2000 codec.
5802 * @param p_header_size the size of the data contained in the MCT marker.
5803 * @param p_manager the user event manager.
5804*/
5805static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
5806 OPJ_BYTE * p_header_data,
5807 OPJ_UINT32 p_header_size,
5808 opj_event_mgr_t * p_manager
5809 )
5810{
5811 OPJ_UINT32 i;
5812 opj_tcp_t *l_tcp = 00;
5813 OPJ_UINT32 l_tmp;
5814 OPJ_UINT32 l_indix;
5815 opj_mct_data_t * l_mct_data;
5816
5817 /* preconditions */
5818 assert(p_header_data != 00);
5819 assert(p_j2k != 00);
5820
5821 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5822 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5823 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5824
5825 if (p_header_size < 2) {
5826 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading MCT marker\n");
5827 return OPJ_FALSE;
5828 }
5829
5830 /* first marker */
5831 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp, p_nb_bytes: 2); /* Zmct */
5832 p_header_data += 2;
5833 if (l_tmp != 0) {
5834 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
5835 fmt: "Cannot take in charge mct data within multiple MCT records\n");
5836 return OPJ_TRUE;
5837 }
5838
5839 if (p_header_size <= 6) {
5840 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading MCT marker\n");
5841 return OPJ_FALSE;
5842 }
5843
5844 /* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/
5845 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp, p_nb_bytes: 2); /* Imct */
5846 p_header_data += 2;
5847
5848 l_indix = l_tmp & 0xff;
5849 l_mct_data = l_tcp->m_mct_records;
5850
5851 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5852 if (l_mct_data->m_index == l_indix) {
5853 break;
5854 }
5855 ++l_mct_data;
5856 }
5857
5858 /* NOT FOUND */
5859 if (i == l_tcp->m_nb_mct_records) {
5860 if (l_tcp->m_nb_mct_records == l_tcp->m_nb_max_mct_records) {
5861 opj_mct_data_t *new_mct_records;
5862 l_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
5863
5864 new_mct_records = (opj_mct_data_t *) opj_realloc(m: l_tcp->m_mct_records,
5865 s: l_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
5866 if (! new_mct_records) {
5867 opj_free(m: l_tcp->m_mct_records);
5868 l_tcp->m_mct_records = NULL;
5869 l_tcp->m_nb_max_mct_records = 0;
5870 l_tcp->m_nb_mct_records = 0;
5871 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to read MCT marker\n");
5872 return OPJ_FALSE;
5873 }
5874
5875 /* Update m_mcc_records[].m_offset_array and m_decorrelation_array
5876 * to point to the new addresses */
5877 if (new_mct_records != l_tcp->m_mct_records) {
5878 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5879 opj_simple_mcc_decorrelation_data_t* l_mcc_record =
5880 &(l_tcp->m_mcc_records[i]);
5881 if (l_mcc_record->m_decorrelation_array) {
5882 l_mcc_record->m_decorrelation_array =
5883 new_mct_records +
5884 (l_mcc_record->m_decorrelation_array -
5885 l_tcp->m_mct_records);
5886 }
5887 if (l_mcc_record->m_offset_array) {
5888 l_mcc_record->m_offset_array =
5889 new_mct_records +
5890 (l_mcc_record->m_offset_array -
5891 l_tcp->m_mct_records);
5892 }
5893 }
5894 }
5895
5896 l_tcp->m_mct_records = new_mct_records;
5897 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5898 memset(s: l_mct_data, c: 0, n: (l_tcp->m_nb_max_mct_records - l_tcp->m_nb_mct_records) *
5899 sizeof(opj_mct_data_t));
5900 }
5901
5902 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5903 ++l_tcp->m_nb_mct_records;
5904 }
5905
5906 if (l_mct_data->m_data) {
5907 opj_free(m: l_mct_data->m_data);
5908 l_mct_data->m_data = 00;
5909 l_mct_data->m_data_size = 0;
5910 }
5911
5912 l_mct_data->m_index = l_indix;
5913 l_mct_data->m_array_type = (J2K_MCT_ARRAY_TYPE)((l_tmp >> 8) & 3);
5914 l_mct_data->m_element_type = (J2K_MCT_ELEMENT_TYPE)((l_tmp >> 10) & 3);
5915
5916 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp, p_nb_bytes: 2); /* Ymct */
5917 p_header_data += 2;
5918 if (l_tmp != 0) {
5919 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
5920 fmt: "Cannot take in charge multiple MCT markers\n");
5921 return OPJ_TRUE;
5922 }
5923
5924 p_header_size -= 6;
5925
5926 l_mct_data->m_data = (OPJ_BYTE*)opj_malloc(size: p_header_size);
5927 if (! l_mct_data->m_data) {
5928 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading MCT marker\n");
5929 return OPJ_FALSE;
5930 }
5931 memcpy(dest: l_mct_data->m_data, src: p_header_data, n: p_header_size);
5932
5933 l_mct_data->m_data_size = p_header_size;
5934
5935 return OPJ_TRUE;
5936}
5937
5938static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
5939 struct opj_simple_mcc_decorrelation_data * p_mcc_record,
5940 struct opj_stream_private *p_stream,
5941 struct opj_event_mgr * p_manager)
5942{
5943 OPJ_UINT32 i;
5944 OPJ_UINT32 l_mcc_size;
5945 OPJ_BYTE * l_current_data = 00;
5946 OPJ_UINT32 l_nb_bytes_for_comp;
5947 OPJ_UINT32 l_mask;
5948 OPJ_UINT32 l_tmcc;
5949
5950 /* preconditions */
5951 assert(p_j2k != 00);
5952 assert(p_manager != 00);
5953 assert(p_stream != 00);
5954
5955 if (p_mcc_record->m_nb_comps > 255) {
5956 l_nb_bytes_for_comp = 2;
5957 l_mask = 0x8000;
5958 } else {
5959 l_nb_bytes_for_comp = 1;
5960 l_mask = 0;
5961 }
5962
5963 l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19;
5964 if (l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5965 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5966 m: p_j2k->m_specific_param.m_encoder.m_header_tile_data, s: l_mcc_size);
5967 if (! new_header_tile_data) {
5968 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5969 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5970 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5971 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to write MCC marker\n");
5972 return OPJ_FALSE;
5973 }
5974 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5975 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mcc_size;
5976 }
5977
5978 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5979
5980 opj_write_bytes(p_buffer: l_current_data, J2K_MS_MCC,
5981 p_nb_bytes: 2); /* MCC */
5982 l_current_data += 2;
5983
5984 opj_write_bytes(p_buffer: l_current_data, p_value: l_mcc_size - 2,
5985 p_nb_bytes: 2); /* Lmcc */
5986 l_current_data += 2;
5987
5988 /* first marker */
5989 opj_write_bytes(p_buffer: l_current_data, p_value: 0,
5990 p_nb_bytes: 2); /* Zmcc */
5991 l_current_data += 2;
5992
5993 opj_write_bytes(p_buffer: l_current_data, p_value: p_mcc_record->m_index,
5994 p_nb_bytes: 1); /* Imcc -> no need for other values, take the first */
5995 ++l_current_data;
5996
5997 /* only one marker atm */
5998 opj_write_bytes(p_buffer: l_current_data, p_value: 0,
5999 p_nb_bytes: 2); /* Ymcc */
6000 l_current_data += 2;
6001
6002 opj_write_bytes(p_buffer: l_current_data, p_value: 1,
6003 p_nb_bytes: 2); /* Qmcc -> number of collections -> 1 */
6004 l_current_data += 2;
6005
6006 opj_write_bytes(p_buffer: l_current_data, p_value: 0x1,
6007 p_nb_bytes: 1); /* Xmcci type of component transformation -> array based decorrelation */
6008 ++l_current_data;
6009
6010 opj_write_bytes(p_buffer: l_current_data, p_value: p_mcc_record->m_nb_comps | l_mask,
6011 p_nb_bytes: 2); /* Nmcci number of input components involved and size for each component offset = 8 bits */
6012 l_current_data += 2;
6013
6014 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
6015 opj_write_bytes(p_buffer: l_current_data, p_value: i,
6016 p_nb_bytes: l_nb_bytes_for_comp); /* Cmccij Component offset*/
6017 l_current_data += l_nb_bytes_for_comp;
6018 }
6019
6020 opj_write_bytes(p_buffer: l_current_data, p_value: p_mcc_record->m_nb_comps | l_mask,
6021 p_nb_bytes: 2); /* Mmcci number of output components involved and size for each component offset = 8 bits */
6022 l_current_data += 2;
6023
6024 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
6025 opj_write_bytes(p_buffer: l_current_data, p_value: i,
6026 p_nb_bytes: l_nb_bytes_for_comp); /* Wmccij Component offset*/
6027 l_current_data += l_nb_bytes_for_comp;
6028 }
6029
6030 l_tmcc = ((!p_mcc_record->m_is_irreversible) & 1U) << 16;
6031
6032 if (p_mcc_record->m_decorrelation_array) {
6033 l_tmcc |= p_mcc_record->m_decorrelation_array->m_index;
6034 }
6035
6036 if (p_mcc_record->m_offset_array) {
6037 l_tmcc |= ((p_mcc_record->m_offset_array->m_index) << 8);
6038 }
6039
6040 opj_write_bytes(p_buffer: l_current_data, p_value: l_tmcc,
6041 p_nb_bytes: 3); /* Tmcci : use MCT defined as number 1 and irreversible array based. */
6042 l_current_data += 3;
6043
6044 if (opj_stream_write_data(p_stream,
6045 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_mcc_size,
6046 p_event_mgr: p_manager) != l_mcc_size) {
6047 return OPJ_FALSE;
6048 }
6049
6050 return OPJ_TRUE;
6051}
6052
6053static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
6054 OPJ_BYTE * p_header_data,
6055 OPJ_UINT32 p_header_size,
6056 opj_event_mgr_t * p_manager)
6057{
6058 OPJ_UINT32 i, j;
6059 OPJ_UINT32 l_tmp;
6060 OPJ_UINT32 l_indix;
6061 opj_tcp_t * l_tcp;
6062 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6063 opj_mct_data_t * l_mct_data;
6064 OPJ_UINT32 l_nb_collections;
6065 OPJ_UINT32 l_nb_comps;
6066 OPJ_UINT32 l_nb_bytes_by_comp;
6067 OPJ_BOOL l_new_mcc = OPJ_FALSE;
6068
6069 /* preconditions */
6070 assert(p_header_data != 00);
6071 assert(p_j2k != 00);
6072 assert(p_manager != 00);
6073
6074 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
6075 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
6076 p_j2k->m_specific_param.m_decoder.m_default_tcp;
6077
6078 if (p_header_size < 2) {
6079 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading MCC marker\n");
6080 return OPJ_FALSE;
6081 }
6082
6083 /* first marker */
6084 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp, p_nb_bytes: 2); /* Zmcc */
6085 p_header_data += 2;
6086 if (l_tmp != 0) {
6087 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6088 fmt: "Cannot take in charge multiple data spanning\n");
6089 return OPJ_TRUE;
6090 }
6091
6092 if (p_header_size < 7) {
6093 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading MCC marker\n");
6094 return OPJ_FALSE;
6095 }
6096
6097 opj_read_bytes(p_buffer: p_header_data, p_value: &l_indix,
6098 p_nb_bytes: 1); /* Imcc -> no need for other values, take the first */
6099 ++p_header_data;
6100
6101 l_mcc_record = l_tcp->m_mcc_records;
6102
6103 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
6104 if (l_mcc_record->m_index == l_indix) {
6105 break;
6106 }
6107 ++l_mcc_record;
6108 }
6109
6110 /** NOT FOUND */
6111 if (i == l_tcp->m_nb_mcc_records) {
6112 if (l_tcp->m_nb_mcc_records == l_tcp->m_nb_max_mcc_records) {
6113 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
6114 l_tcp->m_nb_max_mcc_records += OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
6115
6116 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
6117 m: l_tcp->m_mcc_records, s: l_tcp->m_nb_max_mcc_records * sizeof(
6118 opj_simple_mcc_decorrelation_data_t));
6119 if (! new_mcc_records) {
6120 opj_free(m: l_tcp->m_mcc_records);
6121 l_tcp->m_mcc_records = NULL;
6122 l_tcp->m_nb_max_mcc_records = 0;
6123 l_tcp->m_nb_mcc_records = 0;
6124 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to read MCC marker\n");
6125 return OPJ_FALSE;
6126 }
6127 l_tcp->m_mcc_records = new_mcc_records;
6128 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
6129 memset(s: l_mcc_record, c: 0, n: (l_tcp->m_nb_max_mcc_records - l_tcp->m_nb_mcc_records)
6130 * sizeof(opj_simple_mcc_decorrelation_data_t));
6131 }
6132 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
6133 l_new_mcc = OPJ_TRUE;
6134 }
6135 l_mcc_record->m_index = l_indix;
6136
6137 /* only one marker atm */
6138 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp, p_nb_bytes: 2); /* Ymcc */
6139 p_header_data += 2;
6140 if (l_tmp != 0) {
6141 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6142 fmt: "Cannot take in charge multiple data spanning\n");
6143 return OPJ_TRUE;
6144 }
6145
6146 opj_read_bytes(p_buffer: p_header_data, p_value: &l_nb_collections,
6147 p_nb_bytes: 2); /* Qmcc -> number of collections -> 1 */
6148 p_header_data += 2;
6149
6150 if (l_nb_collections > 1) {
6151 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6152 fmt: "Cannot take in charge multiple collections\n");
6153 return OPJ_TRUE;
6154 }
6155
6156 p_header_size -= 7;
6157
6158 for (i = 0; i < l_nb_collections; ++i) {
6159 if (p_header_size < 3) {
6160 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading MCC marker\n");
6161 return OPJ_FALSE;
6162 }
6163
6164 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp,
6165 p_nb_bytes: 1); /* Xmcci type of component transformation -> array based decorrelation */
6166 ++p_header_data;
6167
6168 if (l_tmp != 1) {
6169 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6170 fmt: "Cannot take in charge collections other than array decorrelation\n");
6171 return OPJ_TRUE;
6172 }
6173
6174 opj_read_bytes(p_buffer: p_header_data, p_value: &l_nb_comps, p_nb_bytes: 2);
6175
6176 p_header_data += 2;
6177 p_header_size -= 3;
6178
6179 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
6180 l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff;
6181
6182 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2)) {
6183 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading MCC marker\n");
6184 return OPJ_FALSE;
6185 }
6186
6187 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2);
6188
6189 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
6190 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp,
6191 p_nb_bytes: l_nb_bytes_by_comp); /* Cmccij Component offset*/
6192 p_header_data += l_nb_bytes_by_comp;
6193
6194 if (l_tmp != j) {
6195 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6196 fmt: "Cannot take in charge collections with indix shuffle\n");
6197 return OPJ_TRUE;
6198 }
6199 }
6200
6201 opj_read_bytes(p_buffer: p_header_data, p_value: &l_nb_comps, p_nb_bytes: 2);
6202 p_header_data += 2;
6203
6204 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
6205 l_nb_comps &= 0x7fff;
6206
6207 if (l_nb_comps != l_mcc_record->m_nb_comps) {
6208 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6209 fmt: "Cannot take in charge collections without same number of indixes\n");
6210 return OPJ_TRUE;
6211 }
6212
6213 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3)) {
6214 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading MCC marker\n");
6215 return OPJ_FALSE;
6216 }
6217
6218 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3);
6219
6220 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
6221 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp,
6222 p_nb_bytes: l_nb_bytes_by_comp); /* Wmccij Component offset*/
6223 p_header_data += l_nb_bytes_by_comp;
6224
6225 if (l_tmp != j) {
6226 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6227 fmt: "Cannot take in charge collections with indix shuffle\n");
6228 return OPJ_TRUE;
6229 }
6230 }
6231
6232 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp, p_nb_bytes: 3); /* Wmccij Component offset*/
6233 p_header_data += 3;
6234
6235 l_mcc_record->m_is_irreversible = !((l_tmp >> 16) & 1);
6236 l_mcc_record->m_decorrelation_array = 00;
6237 l_mcc_record->m_offset_array = 00;
6238
6239 l_indix = l_tmp & 0xff;
6240 if (l_indix != 0) {
6241 l_mct_data = l_tcp->m_mct_records;
6242 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6243 if (l_mct_data->m_index == l_indix) {
6244 l_mcc_record->m_decorrelation_array = l_mct_data;
6245 break;
6246 }
6247 ++l_mct_data;
6248 }
6249
6250 if (l_mcc_record->m_decorrelation_array == 00) {
6251 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading MCC marker\n");
6252 return OPJ_FALSE;
6253 }
6254 }
6255
6256 l_indix = (l_tmp >> 8) & 0xff;
6257 if (l_indix != 0) {
6258 l_mct_data = l_tcp->m_mct_records;
6259 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6260 if (l_mct_data->m_index == l_indix) {
6261 l_mcc_record->m_offset_array = l_mct_data;
6262 break;
6263 }
6264 ++l_mct_data;
6265 }
6266
6267 if (l_mcc_record->m_offset_array == 00) {
6268 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading MCC marker\n");
6269 return OPJ_FALSE;
6270 }
6271 }
6272 }
6273
6274 if (p_header_size != 0) {
6275 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading MCC marker\n");
6276 return OPJ_FALSE;
6277 }
6278
6279 if (l_new_mcc) {
6280 ++l_tcp->m_nb_mcc_records;
6281 }
6282
6283 return OPJ_TRUE;
6284}
6285
6286static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
6287 struct opj_stream_private *p_stream,
6288 struct opj_event_mgr * p_manager
6289 )
6290{
6291 OPJ_BYTE * l_current_data = 00;
6292 OPJ_UINT32 l_mco_size;
6293 opj_tcp_t * l_tcp = 00;
6294 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6295 OPJ_UINT32 i;
6296
6297 /* preconditions */
6298 assert(p_j2k != 00);
6299 assert(p_manager != 00);
6300 assert(p_stream != 00);
6301
6302 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
6303
6304 l_mco_size = 5 + l_tcp->m_nb_mcc_records;
6305 if (l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6306
6307 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6308 m: p_j2k->m_specific_param.m_encoder.m_header_tile_data, s: l_mco_size);
6309 if (! new_header_tile_data) {
6310 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6311 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6312 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6313 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to write MCO marker\n");
6314 return OPJ_FALSE;
6315 }
6316 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6317 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
6318 }
6319 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6320
6321
6322 opj_write_bytes(p_buffer: l_current_data, J2K_MS_MCO, p_nb_bytes: 2); /* MCO */
6323 l_current_data += 2;
6324
6325 opj_write_bytes(p_buffer: l_current_data, p_value: l_mco_size - 2, p_nb_bytes: 2); /* Lmco */
6326 l_current_data += 2;
6327
6328 opj_write_bytes(p_buffer: l_current_data, p_value: l_tcp->m_nb_mcc_records,
6329 p_nb_bytes: 1); /* Nmco : only one transform stage*/
6330 ++l_current_data;
6331
6332 l_mcc_record = l_tcp->m_mcc_records;
6333 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
6334 opj_write_bytes(p_buffer: l_current_data, p_value: l_mcc_record->m_index,
6335 p_nb_bytes: 1); /* Imco -> use the mcc indicated by 1*/
6336 ++l_current_data;
6337 ++l_mcc_record;
6338 }
6339
6340 if (opj_stream_write_data(p_stream,
6341 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_mco_size,
6342 p_event_mgr: p_manager) != l_mco_size) {
6343 return OPJ_FALSE;
6344 }
6345
6346 return OPJ_TRUE;
6347}
6348
6349/**
6350 * Reads a MCO marker (Multiple Component Transform Ordering)
6351 *
6352 * @param p_header_data the data contained in the MCO box.
6353 * @param p_j2k the jpeg2000 codec.
6354 * @param p_header_size the size of the data contained in the MCO marker.
6355 * @param p_manager the user event manager.
6356*/
6357static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
6358 OPJ_BYTE * p_header_data,
6359 OPJ_UINT32 p_header_size,
6360 opj_event_mgr_t * p_manager
6361 )
6362{
6363 OPJ_UINT32 l_tmp, i;
6364 OPJ_UINT32 l_nb_stages;
6365 opj_tcp_t * l_tcp;
6366 opj_tccp_t * l_tccp;
6367 opj_image_t * l_image;
6368
6369 /* preconditions */
6370 assert(p_header_data != 00);
6371 assert(p_j2k != 00);
6372 assert(p_manager != 00);
6373
6374 l_image = p_j2k->m_private_image;
6375 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
6376 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
6377 p_j2k->m_specific_param.m_decoder.m_default_tcp;
6378
6379 if (p_header_size < 1) {
6380 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading MCO marker\n");
6381 return OPJ_FALSE;
6382 }
6383
6384 opj_read_bytes(p_buffer: p_header_data, p_value: &l_nb_stages,
6385 p_nb_bytes: 1); /* Nmco : only one transform stage*/
6386 ++p_header_data;
6387
6388 if (l_nb_stages > 1) {
6389 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6390 fmt: "Cannot take in charge multiple transformation stages.\n");
6391 return OPJ_TRUE;
6392 }
6393
6394 if (p_header_size != l_nb_stages + 1) {
6395 opj_event_msg(event_mgr: p_manager, EVT_WARNING, fmt: "Error reading MCO marker\n");
6396 return OPJ_FALSE;
6397 }
6398
6399 l_tccp = l_tcp->tccps;
6400
6401 for (i = 0; i < l_image->numcomps; ++i) {
6402 l_tccp->m_dc_level_shift = 0;
6403 ++l_tccp;
6404 }
6405
6406 if (l_tcp->m_mct_decoding_matrix) {
6407 opj_free(m: l_tcp->m_mct_decoding_matrix);
6408 l_tcp->m_mct_decoding_matrix = 00;
6409 }
6410
6411 for (i = 0; i < l_nb_stages; ++i) {
6412 opj_read_bytes(p_buffer: p_header_data, p_value: &l_tmp, p_nb_bytes: 1);
6413 ++p_header_data;
6414
6415 if (! opj_j2k_add_mct(p_tcp: l_tcp, p_image: p_j2k->m_private_image, p_index: l_tmp)) {
6416 return OPJ_FALSE;
6417 }
6418 }
6419
6420 return OPJ_TRUE;
6421}
6422
6423static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
6424 OPJ_UINT32 p_index)
6425{
6426 OPJ_UINT32 i;
6427 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6428 opj_mct_data_t * l_deco_array, * l_offset_array;
6429 OPJ_UINT32 l_data_size, l_mct_size, l_offset_size;
6430 OPJ_UINT32 l_nb_elem;
6431 OPJ_UINT32 * l_offset_data, * l_current_offset_data;
6432 opj_tccp_t * l_tccp;
6433
6434 /* preconditions */
6435 assert(p_tcp != 00);
6436
6437 l_mcc_record = p_tcp->m_mcc_records;
6438
6439 for (i = 0; i < p_tcp->m_nb_mcc_records; ++i) {
6440 if (l_mcc_record->m_index == p_index) {
6441 break;
6442 }
6443 }
6444
6445 if (i == p_tcp->m_nb_mcc_records) {
6446 /** element discarded **/
6447 return OPJ_TRUE;
6448 }
6449
6450 if (l_mcc_record->m_nb_comps != p_image->numcomps) {
6451 /** do not support number of comps != image */
6452 return OPJ_TRUE;
6453 }
6454
6455 l_deco_array = l_mcc_record->m_decorrelation_array;
6456
6457 if (l_deco_array) {
6458 l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps
6459 * p_image->numcomps;
6460 if (l_deco_array->m_data_size != l_data_size) {
6461 return OPJ_FALSE;
6462 }
6463
6464 l_nb_elem = p_image->numcomps * p_image->numcomps;
6465 l_mct_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
6466 p_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(size: l_mct_size);
6467
6468 if (! p_tcp->m_mct_decoding_matrix) {
6469 return OPJ_FALSE;
6470 }
6471
6472 j2k_mct_read_functions_to_float[l_deco_array->m_element_type](
6473 l_deco_array->m_data, p_tcp->m_mct_decoding_matrix, l_nb_elem);
6474 }
6475
6476 l_offset_array = l_mcc_record->m_offset_array;
6477
6478 if (l_offset_array) {
6479 l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] *
6480 p_image->numcomps;
6481 if (l_offset_array->m_data_size != l_data_size) {
6482 return OPJ_FALSE;
6483 }
6484
6485 l_nb_elem = p_image->numcomps;
6486 l_offset_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_UINT32);
6487 l_offset_data = (OPJ_UINT32*)opj_malloc(size: l_offset_size);
6488
6489 if (! l_offset_data) {
6490 return OPJ_FALSE;
6491 }
6492
6493 j2k_mct_read_functions_to_int32[l_offset_array->m_element_type](
6494 l_offset_array->m_data, l_offset_data, l_nb_elem);
6495
6496 l_tccp = p_tcp->tccps;
6497 l_current_offset_data = l_offset_data;
6498
6499 for (i = 0; i < p_image->numcomps; ++i) {
6500 l_tccp->m_dc_level_shift = (OPJ_INT32) * (l_current_offset_data++);
6501 ++l_tccp;
6502 }
6503
6504 opj_free(m: l_offset_data);
6505 }
6506
6507 return OPJ_TRUE;
6508}
6509
6510static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
6511 struct opj_stream_private *p_stream,
6512 struct opj_event_mgr * p_manager)
6513{
6514 OPJ_UINT32 i;
6515 OPJ_UINT32 l_cbd_size;
6516 OPJ_BYTE * l_current_data = 00;
6517 opj_image_t *l_image = 00;
6518 opj_image_comp_t * l_comp = 00;
6519
6520 /* preconditions */
6521 assert(p_j2k != 00);
6522 assert(p_manager != 00);
6523 assert(p_stream != 00);
6524
6525 l_image = p_j2k->m_private_image;
6526 l_cbd_size = 6 + p_j2k->m_private_image->numcomps;
6527
6528 if (l_cbd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6529 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6530 m: p_j2k->m_specific_param.m_encoder.m_header_tile_data, s: l_cbd_size);
6531 if (! new_header_tile_data) {
6532 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6533 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6534 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6535 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to write CBD marker\n");
6536 return OPJ_FALSE;
6537 }
6538 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6539 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_cbd_size;
6540 }
6541
6542 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6543
6544 opj_write_bytes(p_buffer: l_current_data, J2K_MS_CBD, p_nb_bytes: 2); /* CBD */
6545 l_current_data += 2;
6546
6547 opj_write_bytes(p_buffer: l_current_data, p_value: l_cbd_size - 2, p_nb_bytes: 2); /* L_CBD */
6548 l_current_data += 2;
6549
6550 opj_write_bytes(p_buffer: l_current_data, p_value: l_image->numcomps, p_nb_bytes: 2); /* Ncbd */
6551 l_current_data += 2;
6552
6553 l_comp = l_image->comps;
6554
6555 for (i = 0; i < l_image->numcomps; ++i) {
6556 opj_write_bytes(p_buffer: l_current_data, p_value: (l_comp->sgnd << 7) | (l_comp->prec - 1),
6557 p_nb_bytes: 1); /* Component bit depth */
6558 ++l_current_data;
6559
6560 ++l_comp;
6561 }
6562
6563 if (opj_stream_write_data(p_stream,
6564 p_buffer: p_j2k->m_specific_param.m_encoder.m_header_tile_data, p_size: l_cbd_size,
6565 p_event_mgr: p_manager) != l_cbd_size) {
6566 return OPJ_FALSE;
6567 }
6568
6569 return OPJ_TRUE;
6570}
6571
6572/**
6573 * Reads a CBD marker (Component bit depth definition)
6574 * @param p_header_data the data contained in the CBD box.
6575 * @param p_j2k the jpeg2000 codec.
6576 * @param p_header_size the size of the data contained in the CBD marker.
6577 * @param p_manager the user event manager.
6578*/
6579static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
6580 OPJ_BYTE * p_header_data,
6581 OPJ_UINT32 p_header_size,
6582 opj_event_mgr_t * p_manager
6583 )
6584{
6585 OPJ_UINT32 l_nb_comp, l_num_comp;
6586 OPJ_UINT32 l_comp_def;
6587 OPJ_UINT32 i;
6588 opj_image_comp_t * l_comp = 00;
6589
6590 /* preconditions */
6591 assert(p_header_data != 00);
6592 assert(p_j2k != 00);
6593 assert(p_manager != 00);
6594
6595 l_num_comp = p_j2k->m_private_image->numcomps;
6596
6597 if (p_header_size != (p_j2k->m_private_image->numcomps + 2)) {
6598 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Crror reading CBD marker\n");
6599 return OPJ_FALSE;
6600 }
6601
6602 opj_read_bytes(p_buffer: p_header_data, p_value: &l_nb_comp,
6603 p_nb_bytes: 2); /* Ncbd */
6604 p_header_data += 2;
6605
6606 if (l_nb_comp != l_num_comp) {
6607 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Crror reading CBD marker\n");
6608 return OPJ_FALSE;
6609 }
6610
6611 l_comp = p_j2k->m_private_image->comps;
6612 for (i = 0; i < l_num_comp; ++i) {
6613 opj_read_bytes(p_buffer: p_header_data, p_value: &l_comp_def,
6614 p_nb_bytes: 1); /* Component bit depth */
6615 ++p_header_data;
6616 l_comp->sgnd = (l_comp_def >> 7) & 1;
6617 l_comp->prec = (l_comp_def & 0x7f) + 1;
6618
6619 if (l_comp->prec > 31) {
6620 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
6621 fmt: "Invalid values for comp = %d : prec=%u (should be between 1 and 38 according to the JPEG2000 norm. OpenJpeg only supports up to 31)\n",
6622 i, l_comp->prec);
6623 return OPJ_FALSE;
6624 }
6625 ++l_comp;
6626 }
6627
6628 return OPJ_TRUE;
6629}
6630
6631/**
6632 * Reads a CAP marker (extended capabilities definition). Empty implementation.
6633 * Found in HTJ2K files.
6634 *
6635 * @param p_header_data the data contained in the CAP box.
6636 * @param p_j2k the jpeg2000 codec.
6637 * @param p_header_size the size of the data contained in the CAP marker.
6638 * @param p_manager the user event manager.
6639*/
6640static OPJ_BOOL opj_j2k_read_cap(opj_j2k_t *p_j2k,
6641 OPJ_BYTE * p_header_data,
6642 OPJ_UINT32 p_header_size,
6643 opj_event_mgr_t * p_manager
6644 )
6645{
6646 /* preconditions */
6647 assert(p_header_data != 00);
6648 assert(p_j2k != 00);
6649 assert(p_manager != 00);
6650
6651 (void)p_j2k;
6652 (void)p_header_data;
6653 (void)p_header_size;
6654 (void)p_manager;
6655
6656 return OPJ_TRUE;
6657}
6658
6659/**
6660 * Reads a CPF marker (corresponding profile). Empty implementation. Found in HTJ2K files
6661 * @param p_header_data the data contained in the CPF box.
6662 * @param p_j2k the jpeg2000 codec.
6663 * @param p_header_size the size of the data contained in the CPF marker.
6664 * @param p_manager the user event manager.
6665*/
6666static OPJ_BOOL opj_j2k_read_cpf(opj_j2k_t *p_j2k,
6667 OPJ_BYTE * p_header_data,
6668 OPJ_UINT32 p_header_size,
6669 opj_event_mgr_t * p_manager
6670 )
6671{
6672 /* preconditions */
6673 assert(p_header_data != 00);
6674 assert(p_j2k != 00);
6675 assert(p_manager != 00);
6676
6677 (void)p_j2k;
6678 (void)p_header_data;
6679 (void)p_header_size;
6680 (void)p_manager;
6681
6682 return OPJ_TRUE;
6683}
6684
6685/* ----------------------------------------------------------------------- */
6686/* J2K / JPT decoder interface */
6687/* ----------------------------------------------------------------------- */
6688
6689void opj_j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters)
6690{
6691 if (j2k && parameters) {
6692 j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer;
6693 j2k->m_cp.m_specific_param.m_dec.m_reduce = parameters->cp_reduce;
6694
6695 j2k->dump_state = (parameters->flags & OPJ_DPARAMETERS_DUMP_FLAG);
6696#ifdef USE_JPWL
6697 j2k->m_cp.correct = parameters->jpwl_correct;
6698 j2k->m_cp.exp_comps = parameters->jpwl_exp_comps;
6699 j2k->m_cp.max_tiles = parameters->jpwl_max_tiles;
6700#endif /* USE_JPWL */
6701 }
6702}
6703
6704void opj_j2k_decoder_set_strict_mode(opj_j2k_t *j2k, OPJ_BOOL strict)
6705{
6706 if (j2k) {
6707 j2k->m_cp.strict = strict;
6708 }
6709}
6710
6711OPJ_BOOL opj_j2k_set_threads(opj_j2k_t *j2k, OPJ_UINT32 num_threads)
6712{
6713 /* Currently we pass the thread-pool to the tcd, so we cannot re-set it */
6714 /* afterwards */
6715 if (opj_has_thread_support() && j2k->m_tcd == NULL) {
6716 opj_thread_pool_destroy(tp: j2k->m_tp);
6717 j2k->m_tp = NULL;
6718 if (num_threads <= (OPJ_UINT32)INT_MAX) {
6719 j2k->m_tp = opj_thread_pool_create(num_threads: (int)num_threads);
6720 }
6721 if (j2k->m_tp == NULL) {
6722 j2k->m_tp = opj_thread_pool_create(num_threads: 0);
6723 return OPJ_FALSE;
6724 }
6725 return OPJ_TRUE;
6726 }
6727 return OPJ_FALSE;
6728}
6729
6730static int opj_j2k_get_default_thread_count(void)
6731{
6732 const char* num_threads_str = getenv(name: "OPJ_NUM_THREADS");
6733 int num_cpus;
6734 int num_threads;
6735
6736 if (num_threads_str == NULL || !opj_has_thread_support()) {
6737 return 0;
6738 }
6739 num_cpus = opj_get_num_cpus();
6740 if (strcmp(s1: num_threads_str, s2: "ALL_CPUS") == 0) {
6741 return num_cpus;
6742 }
6743 if (num_cpus == 0) {
6744 num_cpus = 32;
6745 }
6746 num_threads = atoi(nptr: num_threads_str);
6747 if (num_threads < 0) {
6748 num_threads = 0;
6749 } else if (num_threads > 2 * num_cpus) {
6750 num_threads = 2 * num_cpus;
6751 }
6752 return num_threads;
6753}
6754
6755/* ----------------------------------------------------------------------- */
6756/* J2K encoder interface */
6757/* ----------------------------------------------------------------------- */
6758
6759opj_j2k_t* opj_j2k_create_compress(void)
6760{
6761 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(numOfElements: 1, sizeOfElements: sizeof(opj_j2k_t));
6762 if (!l_j2k) {
6763 return NULL;
6764 }
6765
6766
6767 l_j2k->m_is_decoder = 0;
6768 l_j2k->m_cp.m_is_decoder = 0;
6769
6770 l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(
6771 OPJ_J2K_DEFAULT_HEADER_SIZE);
6772 if (! l_j2k->m_specific_param.m_encoder.m_header_tile_data) {
6773 opj_j2k_destroy(p_j2k: l_j2k);
6774 return NULL;
6775 }
6776
6777 l_j2k->m_specific_param.m_encoder.m_header_tile_data_size =
6778 OPJ_J2K_DEFAULT_HEADER_SIZE;
6779
6780 /* validation list creation*/
6781 l_j2k->m_validation_list = opj_procedure_list_create();
6782 if (! l_j2k->m_validation_list) {
6783 opj_j2k_destroy(p_j2k: l_j2k);
6784 return NULL;
6785 }
6786
6787 /* execution list creation*/
6788 l_j2k->m_procedure_list = opj_procedure_list_create();
6789 if (! l_j2k->m_procedure_list) {
6790 opj_j2k_destroy(p_j2k: l_j2k);
6791 return NULL;
6792 }
6793
6794 l_j2k->m_tp = opj_thread_pool_create(num_threads: opj_j2k_get_default_thread_count());
6795 if (!l_j2k->m_tp) {
6796 l_j2k->m_tp = opj_thread_pool_create(num_threads: 0);
6797 }
6798 if (!l_j2k->m_tp) {
6799 opj_j2k_destroy(p_j2k: l_j2k);
6800 return NULL;
6801 }
6802
6803 return l_j2k;
6804}
6805
6806static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres)
6807{
6808 POC[0].tile = 1;
6809 POC[0].resno0 = 0;
6810 POC[0].compno0 = 0;
6811 POC[0].layno1 = 1;
6812 POC[0].resno1 = (OPJ_UINT32)(numres - 1);
6813 POC[0].compno1 = 3;
6814 POC[0].prg1 = OPJ_CPRL;
6815 POC[1].tile = 1;
6816 POC[1].resno0 = (OPJ_UINT32)(numres - 1);
6817 POC[1].compno0 = 0;
6818 POC[1].layno1 = 1;
6819 POC[1].resno1 = (OPJ_UINT32)numres;
6820 POC[1].compno1 = 3;
6821 POC[1].prg1 = OPJ_CPRL;
6822 return 2;
6823}
6824
6825static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
6826 opj_image_t *image, opj_event_mgr_t *p_manager)
6827{
6828 /* Configure cinema parameters */
6829 int i;
6830
6831 /* No tiling */
6832 parameters->tile_size_on = OPJ_FALSE;
6833 parameters->cp_tdx = 1;
6834 parameters->cp_tdy = 1;
6835
6836 /* One tile part for each component */
6837 parameters->tp_flag = 'C';
6838 parameters->tp_on = 1;
6839
6840 /* Tile and Image shall be at (0,0) */
6841 parameters->cp_tx0 = 0;
6842 parameters->cp_ty0 = 0;
6843 parameters->image_offset_x0 = 0;
6844 parameters->image_offset_y0 = 0;
6845
6846 /* Codeblock size= 32*32 */
6847 parameters->cblockw_init = 32;
6848 parameters->cblockh_init = 32;
6849
6850 /* Codeblock style: no mode switch enabled */
6851 parameters->mode = 0;
6852
6853 /* No ROI */
6854 parameters->roi_compno = -1;
6855
6856 /* No subsampling */
6857 parameters->subsampling_dx = 1;
6858 parameters->subsampling_dy = 1;
6859
6860 /* 9-7 transform */
6861 parameters->irreversible = 1;
6862
6863 /* Number of layers */
6864 if (parameters->tcp_numlayers > 1) {
6865 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6866 fmt: "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6867 "1 single quality layer"
6868 "-> Number of layers forced to 1 (rather than %d)\n"
6869 "-> Rate of the last layer (%3.1f) will be used",
6870 parameters->tcp_numlayers,
6871 parameters->tcp_rates[parameters->tcp_numlayers - 1]);
6872 parameters->tcp_rates[0] = parameters->tcp_rates[parameters->tcp_numlayers - 1];
6873 parameters->tcp_numlayers = 1;
6874 }
6875
6876 /* Resolution levels */
6877 switch (parameters->rsiz) {
6878 case OPJ_PROFILE_CINEMA_2K:
6879 if (parameters->numresolution > 6) {
6880 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6881 fmt: "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6882 "Number of decomposition levels <= 5\n"
6883 "-> Number of decomposition levels forced to 5 (rather than %d)\n",
6884 parameters->numresolution + 1);
6885 parameters->numresolution = 6;
6886 }
6887 break;
6888 case OPJ_PROFILE_CINEMA_4K:
6889 if (parameters->numresolution < 2) {
6890 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6891 fmt: "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6892 "Number of decomposition levels >= 1 && <= 6\n"
6893 "-> Number of decomposition levels forced to 1 (rather than %d)\n",
6894 parameters->numresolution + 1);
6895 parameters->numresolution = 1;
6896 } else if (parameters->numresolution > 7) {
6897 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6898 fmt: "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6899 "Number of decomposition levels >= 1 && <= 6\n"
6900 "-> Number of decomposition levels forced to 6 (rather than %d)\n",
6901 parameters->numresolution + 1);
6902 parameters->numresolution = 7;
6903 }
6904 break;
6905 default :
6906 break;
6907 }
6908
6909 /* Precincts */
6910 parameters->csty |= J2K_CP_CSTY_PRT;
6911 if (parameters->numresolution == 1) {
6912 parameters->res_spec = 1;
6913 parameters->prcw_init[0] = 128;
6914 parameters->prch_init[0] = 128;
6915 } else {
6916 parameters->res_spec = parameters->numresolution - 1;
6917 for (i = 0; i < parameters->res_spec; i++) {
6918 parameters->prcw_init[i] = 256;
6919 parameters->prch_init[i] = 256;
6920 }
6921 }
6922
6923 /* The progression order shall be CPRL */
6924 parameters->prog_order = OPJ_CPRL;
6925
6926 /* Progression order changes for 4K, disallowed for 2K */
6927 if (parameters->rsiz == OPJ_PROFILE_CINEMA_4K) {
6928 parameters->numpocs = (OPJ_UINT32)opj_j2k_initialise_4K_poc(POC: parameters->POC,
6929 numres: parameters->numresolution);
6930 } else {
6931 parameters->numpocs = 0;
6932 }
6933
6934 /* Limited bit-rate */
6935 parameters->cp_disto_alloc = 1;
6936 if (parameters->max_cs_size <= 0) {
6937 /* No rate has been introduced, 24 fps is assumed */
6938 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6939 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6940 fmt: "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6941 "Maximum 1302083 compressed bytes @ 24fps\n"
6942 "As no rate has been given, this limit will be used.\n");
6943 } else if (parameters->max_cs_size > OPJ_CINEMA_24_CS) {
6944 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6945 fmt: "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6946 "Maximum 1302083 compressed bytes @ 24fps\n"
6947 "-> Specified rate exceeds this limit. Rate will be forced to 1302083 bytes.\n");
6948 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6949 }
6950
6951 if (parameters->max_comp_size <= 0) {
6952 /* No rate has been introduced, 24 fps is assumed */
6953 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6954 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6955 fmt: "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6956 "Maximum 1041666 compressed bytes @ 24fps\n"
6957 "As no rate has been given, this limit will be used.\n");
6958 } else if (parameters->max_comp_size > OPJ_CINEMA_24_COMP) {
6959 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6960 fmt: "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6961 "Maximum 1041666 compressed bytes @ 24fps\n"
6962 "-> Specified rate exceeds this limit. Rate will be forced to 1041666 bytes.\n");
6963 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6964 }
6965
6966 parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
6967 image->comps[0].h * image->comps[0].prec) /
6968 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
6969 image->comps[0].dy);
6970
6971}
6972
6973static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
6974 opj_event_mgr_t *p_manager)
6975{
6976 OPJ_UINT32 i;
6977
6978 /* Number of components */
6979 if (image->numcomps != 3) {
6980 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6981 fmt: "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6982 "3 components"
6983 "-> Number of components of input image (%d) is not compliant\n"
6984 "-> Non-profile-3 codestream will be generated\n",
6985 image->numcomps);
6986 return OPJ_FALSE;
6987 }
6988
6989 /* Bitdepth */
6990 for (i = 0; i < image->numcomps; i++) {
6991 if ((image->comps[i].prec != 12) | (image->comps[i].sgnd)) {
6992 char signed_str[] = "signed";
6993 char unsigned_str[] = "unsigned";
6994 char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
6995 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
6996 fmt: "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6997 "Precision of each component shall be 12 bits unsigned"
6998 "-> At least component %d of input image (%d bits, %s) is not compliant\n"
6999 "-> Non-profile-3 codestream will be generated\n",
7000 i, image->comps[i].prec, tmp_str);
7001 return OPJ_FALSE;
7002 }
7003 }
7004
7005 /* Image size */
7006 switch (rsiz) {
7007 case OPJ_PROFILE_CINEMA_2K:
7008 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1080))) {
7009 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7010 fmt: "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
7011 "width <= 2048 and height <= 1080\n"
7012 "-> Input image size %d x %d is not compliant\n"
7013 "-> Non-profile-3 codestream will be generated\n",
7014 image->comps[0].w, image->comps[0].h);
7015 return OPJ_FALSE;
7016 }
7017 break;
7018 case OPJ_PROFILE_CINEMA_4K:
7019 if (((image->comps[0].w > 4096) | (image->comps[0].h > 2160))) {
7020 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7021 fmt: "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
7022 "width <= 4096 and height <= 2160\n"
7023 "-> Image size %d x %d is not compliant\n"
7024 "-> Non-profile-4 codestream will be generated\n",
7025 image->comps[0].w, image->comps[0].h);
7026 return OPJ_FALSE;
7027 }
7028 break;
7029 default :
7030 break;
7031 }
7032
7033 return OPJ_TRUE;
7034}
7035
7036static int opj_j2k_get_imf_max_NL(opj_cparameters_t *parameters,
7037 opj_image_t *image)
7038{
7039 /* Decomposition levels */
7040 const OPJ_UINT16 rsiz = parameters->rsiz;
7041 const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
7042 const OPJ_UINT32 XTsiz = parameters->tile_size_on ? (OPJ_UINT32)
7043 parameters->cp_tdx : image->x1;
7044 switch (profile) {
7045 case OPJ_PROFILE_IMF_2K:
7046 return 5;
7047 case OPJ_PROFILE_IMF_4K:
7048 return 6;
7049 case OPJ_PROFILE_IMF_8K:
7050 return 7;
7051 case OPJ_PROFILE_IMF_2K_R: {
7052 if (XTsiz >= 2048) {
7053 return 5;
7054 } else if (XTsiz >= 1024) {
7055 return 4;
7056 }
7057 break;
7058 }
7059 case OPJ_PROFILE_IMF_4K_R: {
7060 if (XTsiz >= 4096) {
7061 return 6;
7062 } else if (XTsiz >= 2048) {
7063 return 5;
7064 } else if (XTsiz >= 1024) {
7065 return 4;
7066 }
7067 break;
7068 }
7069 case OPJ_PROFILE_IMF_8K_R: {
7070 if (XTsiz >= 8192) {
7071 return 7;
7072 } else if (XTsiz >= 4096) {
7073 return 6;
7074 } else if (XTsiz >= 2048) {
7075 return 5;
7076 } else if (XTsiz >= 1024) {
7077 return 4;
7078 }
7079 break;
7080 }
7081 default:
7082 break;
7083 }
7084 return -1;
7085}
7086
7087static void opj_j2k_set_imf_parameters(opj_cparameters_t *parameters,
7088 opj_image_t *image, opj_event_mgr_t *p_manager)
7089{
7090 const OPJ_UINT16 rsiz = parameters->rsiz;
7091 const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
7092
7093 OPJ_UNUSED(p_manager);
7094
7095 /* Override defaults set by opj_set_default_encoder_parameters */
7096 if (parameters->cblockw_init == OPJ_COMP_PARAM_DEFAULT_CBLOCKW &&
7097 parameters->cblockh_init == OPJ_COMP_PARAM_DEFAULT_CBLOCKH) {
7098 parameters->cblockw_init = 32;
7099 parameters->cblockh_init = 32;
7100 }
7101
7102 /* One tile part for each component */
7103 parameters->tp_flag = 'C';
7104 parameters->tp_on = 1;
7105
7106 if (parameters->prog_order == OPJ_COMP_PARAM_DEFAULT_PROG_ORDER) {
7107 parameters->prog_order = OPJ_CPRL;
7108 }
7109
7110 if (profile == OPJ_PROFILE_IMF_2K ||
7111 profile == OPJ_PROFILE_IMF_4K ||
7112 profile == OPJ_PROFILE_IMF_8K) {
7113 /* 9-7 transform */
7114 parameters->irreversible = 1;
7115 }
7116
7117 /* Adjust the number of resolutions if set to its defaults */
7118 if (parameters->numresolution == OPJ_COMP_PARAM_DEFAULT_NUMRESOLUTION &&
7119 image->x0 == 0 &&
7120 image->y0 == 0) {
7121 const int max_NL = opj_j2k_get_imf_max_NL(parameters, image);
7122 if (max_NL >= 0 && parameters->numresolution > max_NL) {
7123 parameters->numresolution = max_NL + 1;
7124 }
7125
7126 /* Note: below is generic logic */
7127 if (!parameters->tile_size_on) {
7128 while (parameters->numresolution > 0) {
7129 if (image->x1 < (1U << ((OPJ_UINT32)parameters->numresolution - 1U))) {
7130 parameters->numresolution --;
7131 continue;
7132 }
7133 if (image->y1 < (1U << ((OPJ_UINT32)parameters->numresolution - 1U))) {
7134 parameters->numresolution --;
7135 continue;
7136 }
7137 break;
7138 }
7139 }
7140 }
7141
7142 /* Set defaults precincts */
7143 if (parameters->csty == 0) {
7144 parameters->csty |= J2K_CP_CSTY_PRT;
7145 if (parameters->numresolution == 1) {
7146 parameters->res_spec = 1;
7147 parameters->prcw_init[0] = 128;
7148 parameters->prch_init[0] = 128;
7149 } else {
7150 int i;
7151 parameters->res_spec = parameters->numresolution - 1;
7152 for (i = 0; i < parameters->res_spec; i++) {
7153 parameters->prcw_init[i] = 256;
7154 parameters->prch_init[i] = 256;
7155 }
7156 }
7157 }
7158}
7159
7160/* Table A.53 from JPEG2000 standard */
7161static const OPJ_UINT16 tabMaxSubLevelFromMainLevel[] = {
7162 15, /* unspecified */
7163 1,
7164 1,
7165 1,
7166 2,
7167 3,
7168 4,
7169 5,
7170 6,
7171 7,
7172 8,
7173 9
7174};
7175
7176static OPJ_BOOL opj_j2k_is_imf_compliant(opj_cparameters_t *parameters,
7177 opj_image_t *image,
7178 opj_event_mgr_t *p_manager)
7179{
7180 OPJ_UINT32 i;
7181 const OPJ_UINT16 rsiz = parameters->rsiz;
7182 const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
7183 const OPJ_UINT16 mainlevel = OPJ_GET_IMF_MAINLEVEL(rsiz);
7184 const OPJ_UINT16 sublevel = OPJ_GET_IMF_SUBLEVEL(rsiz);
7185 const int NL = parameters->numresolution - 1;
7186 const OPJ_UINT32 XTsiz = parameters->tile_size_on ? (OPJ_UINT32)
7187 parameters->cp_tdx : image->x1;
7188 OPJ_BOOL ret = OPJ_TRUE;
7189
7190 /* Validate mainlevel */
7191 if (mainlevel > OPJ_IMF_MAINLEVEL_MAX) {
7192 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7193 fmt: "IMF profile require mainlevel <= 11.\n"
7194 "-> %d is thus not compliant\n"
7195 "-> Non-IMF codestream will be generated\n",
7196 mainlevel);
7197 ret = OPJ_FALSE;
7198 } else {
7199 /* Validate sublevel */
7200 assert(sizeof(tabMaxSubLevelFromMainLevel) ==
7201 (OPJ_IMF_MAINLEVEL_MAX + 1) * sizeof(tabMaxSubLevelFromMainLevel[0]));
7202 if (sublevel > tabMaxSubLevelFromMainLevel[mainlevel]) {
7203 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7204 fmt: "IMF profile require sublevel <= %d for mainlevel = %d.\n"
7205 "-> %d is thus not compliant\n"
7206 "-> Non-IMF codestream will be generated\n",
7207 tabMaxSubLevelFromMainLevel[mainlevel],
7208 mainlevel,
7209 sublevel);
7210 ret = OPJ_FALSE;
7211 }
7212 }
7213
7214 /* Number of components */
7215 if (image->numcomps > 3) {
7216 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7217 fmt: "IMF profiles require at most 3 components.\n"
7218 "-> Number of components of input image (%d) is not compliant\n"
7219 "-> Non-IMF codestream will be generated\n",
7220 image->numcomps);
7221 ret = OPJ_FALSE;
7222 }
7223
7224 if (image->x0 != 0 || image->y0 != 0) {
7225 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7226 fmt: "IMF profiles require image origin to be at 0,0.\n"
7227 "-> %d,%d is not compliant\n"
7228 "-> Non-IMF codestream will be generated\n",
7229 image->x0, image->y0 != 0);
7230 ret = OPJ_FALSE;
7231 }
7232
7233 if (parameters->cp_tx0 != 0 || parameters->cp_ty0 != 0) {
7234 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7235 fmt: "IMF profiles require tile origin to be at 0,0.\n"
7236 "-> %d,%d is not compliant\n"
7237 "-> Non-IMF codestream will be generated\n",
7238 parameters->cp_tx0, parameters->cp_ty0);
7239 ret = OPJ_FALSE;
7240 }
7241
7242 if (parameters->tile_size_on) {
7243 if (profile == OPJ_PROFILE_IMF_2K ||
7244 profile == OPJ_PROFILE_IMF_4K ||
7245 profile == OPJ_PROFILE_IMF_8K) {
7246 if ((OPJ_UINT32)parameters->cp_tdx < image->x1 ||
7247 (OPJ_UINT32)parameters->cp_tdy < image->y1) {
7248 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7249 fmt: "IMF 2K/4K/8K single tile profiles require tile to be greater or equal to image size.\n"
7250 "-> %d,%d is lesser than %d,%d\n"
7251 "-> Non-IMF codestream will be generated\n",
7252 parameters->cp_tdx,
7253 parameters->cp_tdy,
7254 image->x1,
7255 image->y1);
7256 ret = OPJ_FALSE;
7257 }
7258 } else {
7259 if ((OPJ_UINT32)parameters->cp_tdx >= image->x1 &&
7260 (OPJ_UINT32)parameters->cp_tdy >= image->y1) {
7261 /* ok */
7262 } else if (parameters->cp_tdx == 1024 &&
7263 parameters->cp_tdy == 1024) {
7264 /* ok */
7265 } else if (parameters->cp_tdx == 2048 &&
7266 parameters->cp_tdy == 2048 &&
7267 (profile == OPJ_PROFILE_IMF_4K ||
7268 profile == OPJ_PROFILE_IMF_8K)) {
7269 /* ok */
7270 } else if (parameters->cp_tdx == 4096 &&
7271 parameters->cp_tdy == 4096 &&
7272 profile == OPJ_PROFILE_IMF_8K) {
7273 /* ok */
7274 } else {
7275 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7276 fmt: "IMF 2K_R/4K_R/8K_R single/multiple tile profiles "
7277 "require tile to be greater or equal to image size,\n"
7278 "or to be (1024,1024), or (2048,2048) for 4K_R/8K_R "
7279 "or (4096,4096) for 8K_R.\n"
7280 "-> %d,%d is non conformant\n"
7281 "-> Non-IMF codestream will be generated\n",
7282 parameters->cp_tdx,
7283 parameters->cp_tdy);
7284 ret = OPJ_FALSE;
7285 }
7286 }
7287 }
7288
7289 /* Bitdepth */
7290 for (i = 0; i < image->numcomps; i++) {
7291 if (!(image->comps[i].prec >= 8 && image->comps[i].prec <= 16) ||
7292 (image->comps[i].sgnd)) {
7293 char signed_str[] = "signed";
7294 char unsigned_str[] = "unsigned";
7295 char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
7296 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7297 fmt: "IMF profiles require precision of each component to b in [8-16] bits unsigned"
7298 "-> At least component %d of input image (%d bits, %s) is not compliant\n"
7299 "-> Non-IMF codestream will be generated\n",
7300 i, image->comps[i].prec, tmp_str);
7301 ret = OPJ_FALSE;
7302 }
7303 }
7304
7305 /* Sub-sampling */
7306 for (i = 0; i < image->numcomps; i++) {
7307 if (i == 0 && image->comps[i].dx != 1) {
7308 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7309 fmt: "IMF profiles require XRSiz1 == 1. Here it is set to %d.\n"
7310 "-> Non-IMF codestream will be generated\n",
7311 image->comps[i].dx);
7312 ret = OPJ_FALSE;
7313 }
7314 if (i == 1 && image->comps[i].dx != 1 && image->comps[i].dx != 2) {
7315 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7316 fmt: "IMF profiles require XRSiz2 == 1 or 2. Here it is set to %d.\n"
7317 "-> Non-IMF codestream will be generated\n",
7318 image->comps[i].dx);
7319 ret = OPJ_FALSE;
7320 }
7321 if (i > 1 && image->comps[i].dx != image->comps[i - 1].dx) {
7322 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7323 fmt: "IMF profiles require XRSiz%d to be the same as XRSiz2. "
7324 "Here it is set to %d instead of %d.\n"
7325 "-> Non-IMF codestream will be generated\n",
7326 i + 1, image->comps[i].dx, image->comps[i - 1].dx);
7327 ret = OPJ_FALSE;
7328 }
7329 if (image->comps[i].dy != 1) {
7330 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7331 fmt: "IMF profiles require YRsiz == 1. "
7332 "Here it is set to %d for component %d.\n"
7333 "-> Non-IMF codestream will be generated\n",
7334 image->comps[i].dy, i);
7335 ret = OPJ_FALSE;
7336 }
7337 }
7338
7339 /* Image size */
7340 switch (profile) {
7341 case OPJ_PROFILE_IMF_2K:
7342 case OPJ_PROFILE_IMF_2K_R:
7343 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1556))) {
7344 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7345 fmt: "IMF 2K/2K_R profile require:\n"
7346 "width <= 2048 and height <= 1556\n"
7347 "-> Input image size %d x %d is not compliant\n"
7348 "-> Non-IMF codestream will be generated\n",
7349 image->comps[0].w, image->comps[0].h);
7350 ret = OPJ_FALSE;
7351 }
7352 break;
7353 case OPJ_PROFILE_IMF_4K:
7354 case OPJ_PROFILE_IMF_4K_R:
7355 if (((image->comps[0].w > 4096) | (image->comps[0].h > 3112))) {
7356 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7357 fmt: "IMF 4K/4K_R profile require:\n"
7358 "width <= 4096 and height <= 3112\n"
7359 "-> Input image size %d x %d is not compliant\n"
7360 "-> Non-IMF codestream will be generated\n",
7361 image->comps[0].w, image->comps[0].h);
7362 ret = OPJ_FALSE;
7363 }
7364 break;
7365 case OPJ_PROFILE_IMF_8K:
7366 case OPJ_PROFILE_IMF_8K_R:
7367 if (((image->comps[0].w > 8192) | (image->comps[0].h > 6224))) {
7368 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7369 fmt: "IMF 8K/8K_R profile require:\n"
7370 "width <= 8192 and height <= 6224\n"
7371 "-> Input image size %d x %d is not compliant\n"
7372 "-> Non-IMF codestream will be generated\n",
7373 image->comps[0].w, image->comps[0].h);
7374 ret = OPJ_FALSE;
7375 }
7376 break;
7377 default :
7378 assert(0);
7379 return OPJ_FALSE;
7380 }
7381
7382 if (parameters->roi_compno != -1) {
7383 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7384 fmt: "IMF profile forbid RGN / region of interest marker.\n"
7385 "-> Compression parameters specify a ROI\n"
7386 "-> Non-IMF codestream will be generated\n");
7387 ret = OPJ_FALSE;
7388 }
7389
7390 if (parameters->cblockw_init != 32 || parameters->cblockh_init != 32) {
7391 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7392 fmt: "IMF profile require code block size to be 32x32.\n"
7393 "-> Compression parameters set it to %dx%d.\n"
7394 "-> Non-IMF codestream will be generated\n",
7395 parameters->cblockw_init,
7396 parameters->cblockh_init);
7397 ret = OPJ_FALSE;
7398 }
7399
7400 if (parameters->prog_order != OPJ_CPRL) {
7401 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7402 fmt: "IMF profile require progression order to be CPRL.\n"
7403 "-> Compression parameters set it to %d.\n"
7404 "-> Non-IMF codestream will be generated\n",
7405 parameters->prog_order);
7406 ret = OPJ_FALSE;
7407 }
7408
7409 if (parameters->numpocs != 0) {
7410 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7411 fmt: "IMF profile forbid POC markers.\n"
7412 "-> Compression parameters set %d POC.\n"
7413 "-> Non-IMF codestream will be generated\n",
7414 parameters->numpocs);
7415 ret = OPJ_FALSE;
7416 }
7417
7418 /* Codeblock style: no mode switch enabled */
7419 if (parameters->mode != 0) {
7420 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7421 fmt: "IMF profile forbid mode switch in code block style.\n"
7422 "-> Compression parameters set code block style to %d.\n"
7423 "-> Non-IMF codestream will be generated\n",
7424 parameters->mode);
7425 ret = OPJ_FALSE;
7426 }
7427
7428 if (profile == OPJ_PROFILE_IMF_2K ||
7429 profile == OPJ_PROFILE_IMF_4K ||
7430 profile == OPJ_PROFILE_IMF_8K) {
7431 /* Expect 9-7 transform */
7432 if (parameters->irreversible != 1) {
7433 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7434 fmt: "IMF 2K/4K/8K profiles require 9-7 Irreversible Transform.\n"
7435 "-> Compression parameters set it to reversible.\n"
7436 "-> Non-IMF codestream will be generated\n");
7437 ret = OPJ_FALSE;
7438 }
7439 } else {
7440 /* Expect 5-3 transform */
7441 if (parameters->irreversible != 0) {
7442 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7443 fmt: "IMF 2K/4K/8K profiles require 5-3 reversible Transform.\n"
7444 "-> Compression parameters set it to irreversible.\n"
7445 "-> Non-IMF codestream will be generated\n");
7446 ret = OPJ_FALSE;
7447 }
7448 }
7449
7450 /* Number of layers */
7451 if (parameters->tcp_numlayers != 1) {
7452 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7453 fmt: "IMF 2K/4K/8K profiles require 1 single quality layer.\n"
7454 "-> Number of layers is %d.\n"
7455 "-> Non-IMF codestream will be generated\n",
7456 parameters->tcp_numlayers);
7457 ret = OPJ_FALSE;
7458 }
7459
7460 /* Decomposition levels */
7461 switch (profile) {
7462 case OPJ_PROFILE_IMF_2K:
7463 if (!(NL >= 1 && NL <= 5)) {
7464 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7465 fmt: "IMF 2K profile requires 1 <= NL <= 5:\n"
7466 "-> Number of decomposition levels is %d.\n"
7467 "-> Non-IMF codestream will be generated\n",
7468 NL);
7469 ret = OPJ_FALSE;
7470 }
7471 break;
7472 case OPJ_PROFILE_IMF_4K:
7473 if (!(NL >= 1 && NL <= 6)) {
7474 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7475 fmt: "IMF 4K profile requires 1 <= NL <= 6:\n"
7476 "-> Number of decomposition levels is %d.\n"
7477 "-> Non-IMF codestream will be generated\n",
7478 NL);
7479 ret = OPJ_FALSE;
7480 }
7481 break;
7482 case OPJ_PROFILE_IMF_8K:
7483 if (!(NL >= 1 && NL <= 7)) {
7484 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7485 fmt: "IMF 8K profile requires 1 <= NL <= 7:\n"
7486 "-> Number of decomposition levels is %d.\n"
7487 "-> Non-IMF codestream will be generated\n",
7488 NL);
7489 ret = OPJ_FALSE;
7490 }
7491 break;
7492 case OPJ_PROFILE_IMF_2K_R: {
7493 if (XTsiz >= 2048) {
7494 if (!(NL >= 1 && NL <= 5)) {
7495 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7496 fmt: "IMF 2K_R profile requires 1 <= NL <= 5 for XTsiz >= 2048:\n"
7497 "-> Number of decomposition levels is %d.\n"
7498 "-> Non-IMF codestream will be generated\n",
7499 NL);
7500 ret = OPJ_FALSE;
7501 }
7502 } else if (XTsiz >= 1024) {
7503 if (!(NL >= 1 && NL <= 4)) {
7504 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7505 fmt: "IMF 2K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
7506 "-> Number of decomposition levels is %d.\n"
7507 "-> Non-IMF codestream will be generated\n",
7508 NL);
7509 ret = OPJ_FALSE;
7510 }
7511 }
7512 break;
7513 }
7514 case OPJ_PROFILE_IMF_4K_R: {
7515 if (XTsiz >= 4096) {
7516 if (!(NL >= 1 && NL <= 6)) {
7517 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7518 fmt: "IMF 4K_R profile requires 1 <= NL <= 6 for XTsiz >= 4096:\n"
7519 "-> Number of decomposition levels is %d.\n"
7520 "-> Non-IMF codestream will be generated\n",
7521 NL);
7522 ret = OPJ_FALSE;
7523 }
7524 } else if (XTsiz >= 2048) {
7525 if (!(NL >= 1 && NL <= 5)) {
7526 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7527 fmt: "IMF 4K_R profile requires 1 <= NL <= 5 for XTsiz in [2048,4096[:\n"
7528 "-> Number of decomposition levels is %d.\n"
7529 "-> Non-IMF codestream will be generated\n",
7530 NL);
7531 ret = OPJ_FALSE;
7532 }
7533 } else if (XTsiz >= 1024) {
7534 if (!(NL >= 1 && NL <= 4)) {
7535 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7536 fmt: "IMF 4K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
7537 "-> Number of decomposition levels is %d.\n"
7538 "-> Non-IMF codestream will be generated\n",
7539 NL);
7540 ret = OPJ_FALSE;
7541 }
7542 }
7543 break;
7544 }
7545 case OPJ_PROFILE_IMF_8K_R: {
7546 if (XTsiz >= 8192) {
7547 if (!(NL >= 1 && NL <= 7)) {
7548 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7549 fmt: "IMF 4K_R profile requires 1 <= NL <= 7 for XTsiz >= 8192:\n"
7550 "-> Number of decomposition levels is %d.\n"
7551 "-> Non-IMF codestream will be generated\n",
7552 NL);
7553 ret = OPJ_FALSE;
7554 }
7555 } else if (XTsiz >= 4096) {
7556 if (!(NL >= 1 && NL <= 6)) {
7557 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7558 fmt: "IMF 4K_R profile requires 1 <= NL <= 6 for XTsiz in [4096,8192[:\n"
7559 "-> Number of decomposition levels is %d.\n"
7560 "-> Non-IMF codestream will be generated\n",
7561 NL);
7562 ret = OPJ_FALSE;
7563 }
7564 } else if (XTsiz >= 2048) {
7565 if (!(NL >= 1 && NL <= 5)) {
7566 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7567 fmt: "IMF 4K_R profile requires 1 <= NL <= 5 for XTsiz in [2048,4096[:\n"
7568 "-> Number of decomposition levels is %d.\n"
7569 "-> Non-IMF codestream will be generated\n",
7570 NL);
7571 ret = OPJ_FALSE;
7572 }
7573 } else if (XTsiz >= 1024) {
7574 if (!(NL >= 1 && NL <= 4)) {
7575 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7576 fmt: "IMF 4K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
7577 "-> Number of decomposition levels is %d.\n"
7578 "-> Non-IMF codestream will be generated\n",
7579 NL);
7580 ret = OPJ_FALSE;
7581 }
7582 }
7583 break;
7584 }
7585 default:
7586 break;
7587 }
7588
7589 if (parameters->numresolution == 1) {
7590 if (parameters->res_spec != 1 ||
7591 parameters->prcw_init[0] != 128 ||
7592 parameters->prch_init[0] != 128) {
7593 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7594 fmt: "IMF profiles require PPx = PPy = 7 for NLLL band, else 8.\n"
7595 "-> Supplied values are different from that.\n"
7596 "-> Non-IMF codestream will be generated\n");
7597 ret = OPJ_FALSE;
7598 }
7599 } else {
7600 int i;
7601 for (i = 0; i < parameters->res_spec; i++) {
7602 if (parameters->prcw_init[i] != 256 ||
7603 parameters->prch_init[i] != 256) {
7604 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7605 fmt: "IMF profiles require PPx = PPy = 7 for NLLL band, else 8.\n"
7606 "-> Supplied values are different from that.\n"
7607 "-> Non-IMF codestream will be generated\n");
7608 ret = OPJ_FALSE;
7609 }
7610 }
7611 }
7612
7613 return ret;
7614}
7615
7616
7617OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
7618 opj_cparameters_t *parameters,
7619 opj_image_t *image,
7620 opj_event_mgr_t * p_manager)
7621{
7622 OPJ_UINT32 i, j, tileno, numpocs_tile;
7623 opj_cp_t *cp = 00;
7624 OPJ_UINT32 cblkw, cblkh;
7625
7626 if (!p_j2k || !parameters || ! image) {
7627 return OPJ_FALSE;
7628 }
7629
7630 if ((parameters->numresolution <= 0) ||
7631 (parameters->numresolution > OPJ_J2K_MAXRLVLS)) {
7632 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7633 fmt: "Invalid number of resolutions : %d not in range [1,%d]\n",
7634 parameters->numresolution, OPJ_J2K_MAXRLVLS);
7635 return OPJ_FALSE;
7636 }
7637
7638 if (parameters->cblockw_init < 4 || parameters->cblockw_init > 1024) {
7639 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7640 fmt: "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
7641 parameters->cblockw_init);
7642 return OPJ_FALSE;
7643 }
7644 if (parameters->cblockh_init < 4 || parameters->cblockh_init > 1024) {
7645 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7646 fmt: "Invalid value for cblockh_init: %d not a power of 2 not in range [4,1024]\n",
7647 parameters->cblockh_init);
7648 return OPJ_FALSE;
7649 }
7650 if (parameters->cblockw_init * parameters->cblockh_init > 4096) {
7651 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7652 fmt: "Invalid value for cblockw_init * cblockh_init: should be <= 4096\n");
7653 return OPJ_FALSE;
7654 }
7655 cblkw = (OPJ_UINT32)opj_int_floorlog2(a: parameters->cblockw_init);
7656 cblkh = (OPJ_UINT32)opj_int_floorlog2(a: parameters->cblockh_init);
7657 if (parameters->cblockw_init != (1 << cblkw)) {
7658 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7659 fmt: "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
7660 parameters->cblockw_init);
7661 return OPJ_FALSE;
7662 }
7663 if (parameters->cblockh_init != (1 << cblkh)) {
7664 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7665 fmt: "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
7666 parameters->cblockh_init);
7667 return OPJ_FALSE;
7668 }
7669
7670 if (parameters->cp_fixed_alloc) {
7671 if (parameters->cp_matrice == NULL) {
7672 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7673 fmt: "cp_fixed_alloc set, but cp_matrice missing\n");
7674 return OPJ_FALSE;
7675 }
7676
7677 if (parameters->tcp_numlayers > J2K_TCD_MATRIX_MAX_LAYER_COUNT) {
7678 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7679 fmt: "tcp_numlayers when cp_fixed_alloc set should not exceed %d\n",
7680 J2K_TCD_MATRIX_MAX_LAYER_COUNT);
7681 return OPJ_FALSE;
7682 }
7683 if (parameters->numresolution > J2K_TCD_MATRIX_MAX_RESOLUTION_COUNT) {
7684 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7685 fmt: "numresolution when cp_fixed_alloc set should not exceed %d\n",
7686 J2K_TCD_MATRIX_MAX_RESOLUTION_COUNT);
7687 return OPJ_FALSE;
7688 }
7689 }
7690
7691 p_j2k->m_specific_param.m_encoder.m_nb_comps = image->numcomps;
7692
7693 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
7694 cp = &(p_j2k->m_cp);
7695
7696 /* set default values for cp */
7697 cp->tw = 1;
7698 cp->th = 1;
7699
7700 /* FIXME ADE: to be removed once deprecated cp_cinema and cp_rsiz have been removed */
7701 if (parameters->rsiz ==
7702 OPJ_PROFILE_NONE) { /* consider deprecated fields only if RSIZ has not been set */
7703 OPJ_BOOL deprecated_used = OPJ_FALSE;
7704 switch (parameters->cp_cinema) {
7705 case OPJ_CINEMA2K_24:
7706 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
7707 parameters->max_cs_size = OPJ_CINEMA_24_CS;
7708 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
7709 deprecated_used = OPJ_TRUE;
7710 break;
7711 case OPJ_CINEMA2K_48:
7712 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
7713 parameters->max_cs_size = OPJ_CINEMA_48_CS;
7714 parameters->max_comp_size = OPJ_CINEMA_48_COMP;
7715 deprecated_used = OPJ_TRUE;
7716 break;
7717 case OPJ_CINEMA4K_24:
7718 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
7719 parameters->max_cs_size = OPJ_CINEMA_24_CS;
7720 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
7721 deprecated_used = OPJ_TRUE;
7722 break;
7723 case OPJ_OFF:
7724 default:
7725 break;
7726 }
7727 switch (parameters->cp_rsiz) {
7728 case OPJ_CINEMA2K:
7729 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
7730 deprecated_used = OPJ_TRUE;
7731 break;
7732 case OPJ_CINEMA4K:
7733 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
7734 deprecated_used = OPJ_TRUE;
7735 break;
7736 case OPJ_MCT:
7737 parameters->rsiz = OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT;
7738 deprecated_used = OPJ_TRUE;
7739 case OPJ_STD_RSIZ:
7740 default:
7741 break;
7742 }
7743 if (deprecated_used) {
7744 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7745 fmt: "Deprecated fields cp_cinema or cp_rsiz are used\n"
7746 "Please consider using only the rsiz field\n"
7747 "See openjpeg.h documentation for more details\n");
7748 }
7749 }
7750
7751 /* If no explicit layers are provided, use lossless settings */
7752 if (parameters->tcp_numlayers == 0) {
7753 parameters->tcp_numlayers = 1;
7754 parameters->cp_disto_alloc = 1;
7755 parameters->tcp_rates[0] = 0;
7756 }
7757
7758 if (parameters->cp_disto_alloc) {
7759 /* Emit warnings if tcp_rates are not decreasing */
7760 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
7761 OPJ_FLOAT32 rate_i_corr = parameters->tcp_rates[i];
7762 OPJ_FLOAT32 rate_i_m_1_corr = parameters->tcp_rates[i - 1];
7763 if (rate_i_corr <= 1.0) {
7764 rate_i_corr = 1.0;
7765 }
7766 if (rate_i_m_1_corr <= 1.0) {
7767 rate_i_m_1_corr = 1.0;
7768 }
7769 if (rate_i_corr >= rate_i_m_1_corr) {
7770 if (rate_i_corr != parameters->tcp_rates[i] &&
7771 rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
7772 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7773 fmt: "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
7774 "than tcp_rates[%d]=%f (corrected as %f)\n",
7775 i, parameters->tcp_rates[i], rate_i_corr,
7776 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
7777 } else if (rate_i_corr != parameters->tcp_rates[i]) {
7778 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7779 fmt: "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
7780 "than tcp_rates[%d]=%f\n",
7781 i, parameters->tcp_rates[i], rate_i_corr,
7782 i - 1, parameters->tcp_rates[i - 1]);
7783 } else if (rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
7784 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7785 fmt: "tcp_rates[%d]=%f should be strictly lesser "
7786 "than tcp_rates[%d]=%f (corrected as %f)\n",
7787 i, parameters->tcp_rates[i],
7788 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
7789 } else {
7790 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7791 fmt: "tcp_rates[%d]=%f should be strictly lesser "
7792 "than tcp_rates[%d]=%f\n",
7793 i, parameters->tcp_rates[i],
7794 i - 1, parameters->tcp_rates[i - 1]);
7795 }
7796 }
7797 }
7798 } else if (parameters->cp_fixed_quality) {
7799 /* Emit warnings if tcp_distoratio are not increasing */
7800 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
7801 if (parameters->tcp_distoratio[i] < parameters->tcp_distoratio[i - 1] &&
7802 !(i == (OPJ_UINT32)parameters->tcp_numlayers - 1 &&
7803 parameters->tcp_distoratio[i] == 0)) {
7804 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7805 fmt: "tcp_distoratio[%d]=%f should be strictly greater "
7806 "than tcp_distoratio[%d]=%f\n",
7807 i, parameters->tcp_distoratio[i], i - 1,
7808 parameters->tcp_distoratio[i - 1]);
7809 }
7810 }
7811 }
7812
7813 /* see if max_codestream_size does limit input rate */
7814 if (parameters->max_cs_size <= 0) {
7815 if (parameters->tcp_rates[parameters->tcp_numlayers - 1] > 0) {
7816 OPJ_FLOAT32 temp_size;
7817 temp_size = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
7818 image->comps[0].h * image->comps[0].prec) /
7819 ((double)parameters->tcp_rates[parameters->tcp_numlayers - 1] * 8 *
7820 image->comps[0].dx * image->comps[0].dy));
7821 if (temp_size > (OPJ_FLOAT32)INT_MAX) {
7822 parameters->max_cs_size = INT_MAX;
7823 } else {
7824 parameters->max_cs_size = (int) floor(x: temp_size);
7825 }
7826 } else {
7827 parameters->max_cs_size = 0;
7828 }
7829 } else {
7830 OPJ_FLOAT32 temp_rate;
7831 OPJ_BOOL cap = OPJ_FALSE;
7832
7833 if (OPJ_IS_IMF(parameters->rsiz) && parameters->max_cs_size > 0 &&
7834 parameters->tcp_numlayers == 1 && parameters->tcp_rates[0] == 0) {
7835 parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
7836 image->comps[0].h * image->comps[0].prec) /
7837 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
7838 image->comps[0].dy);
7839 }
7840
7841 temp_rate = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
7842 image->comps[0].h * image->comps[0].prec) /
7843 (((double)parameters->max_cs_size) * 8 * image->comps[0].dx *
7844 image->comps[0].dy));
7845 for (i = 0; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
7846 if (parameters->tcp_rates[i] < temp_rate) {
7847 parameters->tcp_rates[i] = temp_rate;
7848 cap = OPJ_TRUE;
7849 }
7850 }
7851 if (cap) {
7852 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7853 fmt: "The desired maximum codestream size has limited\n"
7854 "at least one of the desired quality layers\n");
7855 }
7856 }
7857
7858 if (OPJ_IS_CINEMA(parameters->rsiz) || OPJ_IS_IMF(parameters->rsiz)) {
7859 p_j2k->m_specific_param.m_encoder.m_TLM = OPJ_TRUE;
7860 }
7861
7862 /* Manage profiles and applications and set RSIZ */
7863 /* set cinema parameters if required */
7864 if (OPJ_IS_CINEMA(parameters->rsiz)) {
7865 if ((parameters->rsiz == OPJ_PROFILE_CINEMA_S2K)
7866 || (parameters->rsiz == OPJ_PROFILE_CINEMA_S4K)) {
7867 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7868 fmt: "JPEG 2000 Scalable Digital Cinema profiles not yet supported\n");
7869 parameters->rsiz = OPJ_PROFILE_NONE;
7870 } else {
7871 opj_j2k_set_cinema_parameters(parameters, image, p_manager);
7872 if (!opj_j2k_is_cinema_compliant(image, rsiz: parameters->rsiz, p_manager)) {
7873 parameters->rsiz = OPJ_PROFILE_NONE;
7874 }
7875 }
7876 } else if (OPJ_IS_STORAGE(parameters->rsiz)) {
7877 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7878 fmt: "JPEG 2000 Long Term Storage profile not yet supported\n");
7879 parameters->rsiz = OPJ_PROFILE_NONE;
7880 } else if (OPJ_IS_BROADCAST(parameters->rsiz)) {
7881 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7882 fmt: "JPEG 2000 Broadcast profiles not yet supported\n");
7883 parameters->rsiz = OPJ_PROFILE_NONE;
7884 } else if (OPJ_IS_IMF(parameters->rsiz)) {
7885 opj_j2k_set_imf_parameters(parameters, image, p_manager);
7886 if (!opj_j2k_is_imf_compliant(parameters, image, p_manager)) {
7887 parameters->rsiz = OPJ_PROFILE_NONE;
7888 }
7889 } else if (OPJ_IS_PART2(parameters->rsiz)) {
7890 if (parameters->rsiz == ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_NONE))) {
7891 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7892 fmt: "JPEG 2000 Part-2 profile defined\n"
7893 "but no Part-2 extension enabled.\n"
7894 "Profile set to NONE.\n");
7895 parameters->rsiz = OPJ_PROFILE_NONE;
7896 } else if (parameters->rsiz != ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT))) {
7897 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
7898 fmt: "Unsupported Part-2 extension enabled\n"
7899 "Profile set to NONE.\n");
7900 parameters->rsiz = OPJ_PROFILE_NONE;
7901 }
7902 }
7903
7904 /*
7905 copy user encoding parameters
7906 */
7907 cp->m_specific_param.m_enc.m_max_comp_size = (OPJ_UINT32)
7908 parameters->max_comp_size;
7909 cp->rsiz = parameters->rsiz;
7910 if (parameters->cp_fixed_alloc) {
7911 cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy = FIXED_LAYER;
7912 } else if (parameters->cp_fixed_quality) {
7913 cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy =
7914 FIXED_DISTORTION_RATIO;
7915 } else {
7916 cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy =
7917 RATE_DISTORTION_RATIO;
7918 }
7919
7920 if (parameters->cp_fixed_alloc) {
7921 size_t array_size = (size_t)parameters->tcp_numlayers *
7922 (size_t)parameters->numresolution * 3 * sizeof(OPJ_INT32);
7923 cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(size: array_size);
7924 if (!cp->m_specific_param.m_enc.m_matrice) {
7925 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7926 fmt: "Not enough memory to allocate copy of user encoding parameters matrix \n");
7927 return OPJ_FALSE;
7928 }
7929 memcpy(dest: cp->m_specific_param.m_enc.m_matrice, src: parameters->cp_matrice,
7930 n: array_size);
7931 }
7932
7933 /* tiles */
7934 cp->tdx = (OPJ_UINT32)parameters->cp_tdx;
7935 cp->tdy = (OPJ_UINT32)parameters->cp_tdy;
7936
7937 /* tile offset */
7938 cp->tx0 = (OPJ_UINT32)parameters->cp_tx0;
7939 cp->ty0 = (OPJ_UINT32)parameters->cp_ty0;
7940
7941 /* comment string */
7942 if (parameters->cp_comment) {
7943 cp->comment = (char*)opj_malloc(size: strlen(s: parameters->cp_comment) + 1U);
7944 if (!cp->comment) {
7945 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7946 fmt: "Not enough memory to allocate copy of comment string\n");
7947 return OPJ_FALSE;
7948 }
7949 strcpy(dest: cp->comment, src: parameters->cp_comment);
7950 } else {
7951 /* Create default comment for codestream */
7952 const char comment[] = "Created by OpenJPEG version ";
7953 const size_t clen = strlen(s: comment);
7954 const char *version = opj_version();
7955
7956 /* UniPG>> */
7957#ifdef USE_JPWL
7958 const size_t cp_comment_buf_size = clen + strlen(version) + 11;
7959 cp->comment = (char*)opj_malloc(cp_comment_buf_size);
7960 if (!cp->comment) {
7961 opj_event_msg(p_manager, EVT_ERROR,
7962 "Not enough memory to allocate comment string\n");
7963 return OPJ_FALSE;
7964 }
7965 snprintf(cp->comment, cp_comment_buf_size, "%s%s with JPWL",
7966 comment, version);
7967#else
7968 const size_t cp_comment_buf_size = clen + strlen(s: version) + 1;
7969 cp->comment = (char*)opj_malloc(size: cp_comment_buf_size);
7970 if (!cp->comment) {
7971 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7972 fmt: "Not enough memory to allocate comment string\n");
7973 return OPJ_FALSE;
7974 }
7975 snprintf(s: cp->comment, maxlen: cp_comment_buf_size, format: "%s%s", comment, version);
7976#endif
7977 /* <<UniPG */
7978 }
7979
7980 /*
7981 calculate other encoding parameters
7982 */
7983
7984 if (parameters->tile_size_on) {
7985 if (cp->tdx == 0) {
7986 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Invalid tile width\n");
7987 return OPJ_FALSE;
7988 }
7989 if (cp->tdy == 0) {
7990 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Invalid tile height\n");
7991 return OPJ_FALSE;
7992 }
7993 cp->tw = opj_uint_ceildiv(a: image->x1 - cp->tx0, b: cp->tdx);
7994 cp->th = opj_uint_ceildiv(a: image->y1 - cp->ty0, b: cp->tdy);
7995 /* Check that the number of tiles is valid */
7996 if (cp->tw > 65535 / cp->th) {
7997 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
7998 fmt: "Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
7999 cp->tw, cp->th);
8000 return OPJ_FALSE;
8001 }
8002 } else {
8003 cp->tdx = image->x1 - cp->tx0;
8004 cp->tdy = image->y1 - cp->ty0;
8005 }
8006
8007 if (parameters->tp_on) {
8008 cp->m_specific_param.m_enc.m_tp_flag = (OPJ_BYTE)parameters->tp_flag;
8009 cp->m_specific_param.m_enc.m_tp_on = 1;
8010 }
8011
8012#ifdef USE_JPWL
8013 /*
8014 calculate JPWL encoding parameters
8015 */
8016
8017 if (parameters->jpwl_epc_on) {
8018 OPJ_INT32 i;
8019
8020 /* set JPWL on */
8021 cp->epc_on = OPJ_TRUE;
8022 cp->info_on = OPJ_FALSE; /* no informative technique */
8023
8024 /* set EPB on */
8025 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
8026 cp->epb_on = OPJ_TRUE;
8027
8028 cp->hprot_MH = parameters->jpwl_hprot_MH;
8029 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
8030 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
8031 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
8032 }
8033 /* if tile specs are not specified, copy MH specs */
8034 if (cp->hprot_TPH[0] == -1) {
8035 cp->hprot_TPH_tileno[0] = 0;
8036 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
8037 }
8038 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
8039 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
8040 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
8041 cp->pprot[i] = parameters->jpwl_pprot[i];
8042 }
8043 }
8044
8045 /* set ESD writing */
8046 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
8047 cp->esd_on = OPJ_TRUE;
8048
8049 cp->sens_size = parameters->jpwl_sens_size;
8050 cp->sens_addr = parameters->jpwl_sens_addr;
8051 cp->sens_range = parameters->jpwl_sens_range;
8052
8053 cp->sens_MH = parameters->jpwl_sens_MH;
8054 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
8055 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
8056 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
8057 }
8058 }
8059
8060 /* always set RED writing to false: we are at the encoder */
8061 cp->red_on = OPJ_FALSE;
8062
8063 } else {
8064 cp->epc_on = OPJ_FALSE;
8065 }
8066#endif /* USE_JPWL */
8067
8068 /* initialize the multiple tiles */
8069 /* ---------------------------- */
8070 cp->tcps = (opj_tcp_t*) opj_calloc(numOfElements: cp->tw * cp->th, sizeOfElements: sizeof(opj_tcp_t));
8071 if (!cp->tcps) {
8072 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8073 fmt: "Not enough memory to allocate tile coding parameters\n");
8074 return OPJ_FALSE;
8075 }
8076
8077 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
8078 opj_tcp_t *tcp = &cp->tcps[tileno];
8079 const OPJ_BOOL fixed_distoratio =
8080 cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
8081 FIXED_DISTORTION_RATIO;
8082 tcp->numlayers = (OPJ_UINT32)parameters->tcp_numlayers;
8083
8084 for (j = 0; j < tcp->numlayers; j++) {
8085 if (OPJ_IS_CINEMA(cp->rsiz) || OPJ_IS_IMF(cp->rsiz)) {
8086 if (fixed_distoratio) {
8087 tcp->distoratio[j] = parameters->tcp_distoratio[j];
8088 }
8089 tcp->rates[j] = parameters->tcp_rates[j];
8090 } else {
8091 if (fixed_distoratio) {
8092 tcp->distoratio[j] = parameters->tcp_distoratio[j];
8093 } else {
8094 tcp->rates[j] = parameters->tcp_rates[j];
8095 }
8096 }
8097 if (!fixed_distoratio &&
8098 tcp->rates[j] <= 1.0) {
8099 tcp->rates[j] = 0.0; /* force lossless */
8100 }
8101 }
8102
8103 tcp->csty = (OPJ_UINT32)parameters->csty;
8104 tcp->prg = parameters->prog_order;
8105 tcp->mct = (OPJ_UINT32)parameters->tcp_mct;
8106
8107 numpocs_tile = 0;
8108 tcp->POC = 0;
8109
8110 if (parameters->numpocs) {
8111 /* initialisation of POC */
8112 for (i = 0; i < parameters->numpocs; i++) {
8113 if (tileno + 1 == parameters->POC[i].tile) {
8114 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
8115
8116 if (parameters->POC[numpocs_tile].compno0 >= image->numcomps) {
8117 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8118 fmt: "Invalid compno0 for POC %d\n", i);
8119 return OPJ_FALSE;
8120 }
8121
8122 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
8123 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
8124 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
8125 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
8126 tcp_poc->compno1 = opj_uint_min(a: parameters->POC[numpocs_tile].compno1,
8127 b: image->numcomps);
8128 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
8129 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
8130
8131 numpocs_tile++;
8132 }
8133 }
8134
8135 if (numpocs_tile) {
8136
8137 /* TODO MSD use the return value*/
8138 opj_j2k_check_poc_val(p_pocs: parameters->POC, tileno, p_nb_pocs: parameters->numpocs,
8139 p_nb_resolutions: (OPJ_UINT32)parameters->numresolution, p_num_comps: image->numcomps,
8140 p_num_layers: (OPJ_UINT32)parameters->tcp_numlayers, p_manager);
8141
8142 tcp->POC = 1;
8143 tcp->numpocs = numpocs_tile - 1 ;
8144 }
8145 } else {
8146 tcp->numpocs = 0;
8147 }
8148
8149 tcp->tccps = (opj_tccp_t*) opj_calloc(numOfElements: image->numcomps, sizeOfElements: sizeof(opj_tccp_t));
8150 if (!tcp->tccps) {
8151 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8152 fmt: "Not enough memory to allocate tile component coding parameters\n");
8153 return OPJ_FALSE;
8154 }
8155 if (parameters->mct_data) {
8156
8157 OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * (OPJ_UINT32)sizeof(
8158 OPJ_FLOAT32);
8159 OPJ_FLOAT32 * lTmpBuf = (OPJ_FLOAT32*)opj_malloc(size: lMctSize);
8160 OPJ_INT32 * l_dc_shift = (OPJ_INT32 *)((OPJ_BYTE *) parameters->mct_data +
8161 lMctSize);
8162
8163 if (!lTmpBuf) {
8164 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8165 fmt: "Not enough memory to allocate temp buffer\n");
8166 return OPJ_FALSE;
8167 }
8168
8169 tcp->mct = 2;
8170 tcp->m_mct_coding_matrix = (OPJ_FLOAT32*)opj_malloc(size: lMctSize);
8171 if (! tcp->m_mct_coding_matrix) {
8172 opj_free(m: lTmpBuf);
8173 lTmpBuf = NULL;
8174 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8175 fmt: "Not enough memory to allocate encoder MCT coding matrix \n");
8176 return OPJ_FALSE;
8177 }
8178 memcpy(dest: tcp->m_mct_coding_matrix, src: parameters->mct_data, n: lMctSize);
8179 memcpy(dest: lTmpBuf, src: parameters->mct_data, n: lMctSize);
8180
8181 tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(size: lMctSize);
8182 if (! tcp->m_mct_decoding_matrix) {
8183 opj_free(m: lTmpBuf);
8184 lTmpBuf = NULL;
8185 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8186 fmt: "Not enough memory to allocate encoder MCT decoding matrix \n");
8187 return OPJ_FALSE;
8188 }
8189 if (opj_matrix_inversion_f(pSrcMatrix: lTmpBuf, pDestMatrix: (tcp->m_mct_decoding_matrix),
8190 nb_compo: image->numcomps) == OPJ_FALSE) {
8191 opj_free(m: lTmpBuf);
8192 lTmpBuf = NULL;
8193 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8194 fmt: "Failed to inverse encoder MCT decoding matrix \n");
8195 return OPJ_FALSE;
8196 }
8197
8198 tcp->mct_norms = (OPJ_FLOAT64*)
8199 opj_malloc(size: image->numcomps * sizeof(OPJ_FLOAT64));
8200 if (! tcp->mct_norms) {
8201 opj_free(m: lTmpBuf);
8202 lTmpBuf = NULL;
8203 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8204 fmt: "Not enough memory to allocate encoder MCT norms \n");
8205 return OPJ_FALSE;
8206 }
8207 opj_calculate_norms(pNorms: tcp->mct_norms, p_nb_comps: image->numcomps,
8208 pMatrix: tcp->m_mct_decoding_matrix);
8209 opj_free(m: lTmpBuf);
8210
8211 for (i = 0; i < image->numcomps; i++) {
8212 opj_tccp_t *tccp = &tcp->tccps[i];
8213 tccp->m_dc_level_shift = l_dc_shift[i];
8214 }
8215
8216 if (opj_j2k_setup_mct_encoding(p_tcp: tcp, p_image: image) == OPJ_FALSE) {
8217 /* free will be handled by opj_j2k_destroy */
8218 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Failed to setup j2k mct encoding\n");
8219 return OPJ_FALSE;
8220 }
8221 } else {
8222 if (tcp->mct == 1 && image->numcomps >= 3) { /* RGB->YCC MCT is enabled */
8223 if ((image->comps[0].dx != image->comps[1].dx) ||
8224 (image->comps[0].dx != image->comps[2].dx) ||
8225 (image->comps[0].dy != image->comps[1].dy) ||
8226 (image->comps[0].dy != image->comps[2].dy)) {
8227 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
8228 fmt: "Cannot perform MCT on components with different sizes. Disabling MCT.\n");
8229 tcp->mct = 0;
8230 }
8231 }
8232 for (i = 0; i < image->numcomps; i++) {
8233 opj_tccp_t *tccp = &tcp->tccps[i];
8234 opj_image_comp_t * l_comp = &(image->comps[i]);
8235
8236 if (! l_comp->sgnd) {
8237 tccp->m_dc_level_shift = 1 << (l_comp->prec - 1);
8238 }
8239 }
8240 }
8241
8242 for (i = 0; i < image->numcomps; i++) {
8243 opj_tccp_t *tccp = &tcp->tccps[i];
8244
8245 tccp->csty = parameters->csty &
8246 0x01; /* 0 => one precinct || 1 => custom precinct */
8247 tccp->numresolutions = (OPJ_UINT32)parameters->numresolution;
8248 tccp->cblkw = (OPJ_UINT32)opj_int_floorlog2(a: parameters->cblockw_init);
8249 tccp->cblkh = (OPJ_UINT32)opj_int_floorlog2(a: parameters->cblockh_init);
8250 tccp->cblksty = (OPJ_UINT32)parameters->mode;
8251 tccp->qmfbid = parameters->irreversible ? 0 : 1;
8252 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT :
8253 J2K_CCP_QNTSTY_NOQNT;
8254 tccp->numgbits = 2;
8255
8256 if ((OPJ_INT32)i == parameters->roi_compno) {
8257 tccp->roishift = parameters->roi_shift;
8258 } else {
8259 tccp->roishift = 0;
8260 }
8261
8262 if (parameters->csty & J2K_CCP_CSTY_PRT) {
8263 OPJ_INT32 p = 0, it_res;
8264 assert(tccp->numresolutions > 0);
8265 for (it_res = (OPJ_INT32)tccp->numresolutions - 1; it_res >= 0; it_res--) {
8266 if (p < parameters->res_spec) {
8267
8268 if (parameters->prcw_init[p] < 1) {
8269 tccp->prcw[it_res] = 1;
8270 } else {
8271 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(a: parameters->prcw_init[p]);
8272 }
8273
8274 if (parameters->prch_init[p] < 1) {
8275 tccp->prch[it_res] = 1;
8276 } else {
8277 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(a: parameters->prch_init[p]);
8278 }
8279
8280 } else {
8281 OPJ_INT32 res_spec = parameters->res_spec;
8282 OPJ_INT32 size_prcw = 0;
8283 OPJ_INT32 size_prch = 0;
8284
8285 assert(res_spec > 0); /* issue 189 */
8286 size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
8287 size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
8288
8289
8290 if (size_prcw < 1) {
8291 tccp->prcw[it_res] = 1;
8292 } else {
8293 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(a: size_prcw);
8294 }
8295
8296 if (size_prch < 1) {
8297 tccp->prch[it_res] = 1;
8298 } else {
8299 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(a: size_prch);
8300 }
8301 }
8302 p++;
8303 /*printf("\nsize precinct for level %d : %d,%d\n", it_res,tccp->prcw[it_res], tccp->prch[it_res]); */
8304 } /*end for*/
8305 } else {
8306 for (j = 0; j < tccp->numresolutions; j++) {
8307 tccp->prcw[j] = 15;
8308 tccp->prch[j] = 15;
8309 }
8310 }
8311
8312 opj_dwt_calc_explicit_stepsizes(tccp, prec: image->comps[i].prec);
8313 }
8314 }
8315
8316 if (parameters->mct_data) {
8317 opj_free(m: parameters->mct_data);
8318 parameters->mct_data = 00;
8319 }
8320 return OPJ_TRUE;
8321}
8322
8323static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
8324 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
8325{
8326 assert(cstr_index != 00);
8327
8328 /* expand the list? */
8329 if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) {
8330 opj_marker_info_t *new_marker;
8331 cstr_index->maxmarknum = (OPJ_UINT32)(100 + (OPJ_FLOAT32)
8332 cstr_index->maxmarknum);
8333 new_marker = (opj_marker_info_t *) opj_realloc(m: cstr_index->marker,
8334 s: cstr_index->maxmarknum * sizeof(opj_marker_info_t));
8335 if (! new_marker) {
8336 opj_free(m: cstr_index->marker);
8337 cstr_index->marker = NULL;
8338 cstr_index->maxmarknum = 0;
8339 cstr_index->marknum = 0;
8340 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); */
8341 return OPJ_FALSE;
8342 }
8343 cstr_index->marker = new_marker;
8344 }
8345
8346 /* add the marker */
8347 cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type;
8348 cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos;
8349 cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len;
8350 cstr_index->marknum++;
8351 return OPJ_TRUE;
8352}
8353
8354static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
8355 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
8356 OPJ_UINT32 len)
8357{
8358 assert(cstr_index != 00);
8359 assert(cstr_index->tile_index != 00);
8360
8361 /* expand the list? */
8362 if ((cstr_index->tile_index[tileno].marknum + 1) >
8363 cstr_index->tile_index[tileno].maxmarknum) {
8364 opj_marker_info_t *new_marker;
8365 cstr_index->tile_index[tileno].maxmarknum = (OPJ_UINT32)(100 +
8366 (OPJ_FLOAT32) cstr_index->tile_index[tileno].maxmarknum);
8367 new_marker = (opj_marker_info_t *) opj_realloc(
8368 m: cstr_index->tile_index[tileno].marker,
8369 s: cstr_index->tile_index[tileno].maxmarknum * sizeof(opj_marker_info_t));
8370 if (! new_marker) {
8371 opj_free(m: cstr_index->tile_index[tileno].marker);
8372 cstr_index->tile_index[tileno].marker = NULL;
8373 cstr_index->tile_index[tileno].maxmarknum = 0;
8374 cstr_index->tile_index[tileno].marknum = 0;
8375 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n"); */
8376 return OPJ_FALSE;
8377 }
8378 cstr_index->tile_index[tileno].marker = new_marker;
8379 }
8380
8381 /* add the marker */
8382 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type
8383 = (OPJ_UINT16)type;
8384 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos
8385 = (OPJ_INT32)pos;
8386 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len
8387 = (OPJ_INT32)len;
8388 cstr_index->tile_index[tileno].marknum++;
8389
8390 if (type == J2K_MS_SOT) {
8391 OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
8392
8393 if (cstr_index->tile_index[tileno].tp_index) {
8394 cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
8395 }
8396
8397 }
8398 return OPJ_TRUE;
8399}
8400
8401/*
8402 * -----------------------------------------------------------------------
8403 * -----------------------------------------------------------------------
8404 * -----------------------------------------------------------------------
8405 */
8406
8407OPJ_BOOL opj_j2k_end_decompress(opj_j2k_t *p_j2k,
8408 opj_stream_private_t *p_stream,
8409 opj_event_mgr_t * p_manager
8410 )
8411{
8412 (void)p_j2k;
8413 (void)p_stream;
8414 (void)p_manager;
8415 return OPJ_TRUE;
8416}
8417
8418OPJ_BOOL opj_j2k_read_header(opj_stream_private_t *p_stream,
8419 opj_j2k_t* p_j2k,
8420 opj_image_t** p_image,
8421 opj_event_mgr_t* p_manager)
8422{
8423 /* preconditions */
8424 assert(p_j2k != 00);
8425 assert(p_stream != 00);
8426 assert(p_manager != 00);
8427
8428 /* create an empty image header */
8429 p_j2k->m_private_image = opj_image_create0();
8430 if (! p_j2k->m_private_image) {
8431 return OPJ_FALSE;
8432 }
8433
8434 /* customization of the validation */
8435 if (! opj_j2k_setup_decoding_validation(p_j2k, p_manager)) {
8436 opj_image_destroy(image: p_j2k->m_private_image);
8437 p_j2k->m_private_image = NULL;
8438 return OPJ_FALSE;
8439 }
8440
8441 /* validation of the parameters codec */
8442 if (! opj_j2k_exec(p_j2k, p_procedure_list: p_j2k->m_validation_list, p_stream, p_manager)) {
8443 opj_image_destroy(image: p_j2k->m_private_image);
8444 p_j2k->m_private_image = NULL;
8445 return OPJ_FALSE;
8446 }
8447
8448 /* customization of the encoding */
8449 if (! opj_j2k_setup_header_reading(p_j2k, p_manager)) {
8450 opj_image_destroy(image: p_j2k->m_private_image);
8451 p_j2k->m_private_image = NULL;
8452 return OPJ_FALSE;
8453 }
8454
8455 /* read header */
8456 if (! opj_j2k_exec(p_j2k, p_procedure_list: p_j2k->m_procedure_list, p_stream, p_manager)) {
8457 opj_image_destroy(image: p_j2k->m_private_image);
8458 p_j2k->m_private_image = NULL;
8459 return OPJ_FALSE;
8460 }
8461
8462 *p_image = opj_image_create0();
8463 if (!(*p_image)) {
8464 return OPJ_FALSE;
8465 }
8466
8467 /* Copy codestream image information to the output image */
8468 opj_copy_image_header(p_image_src: p_j2k->m_private_image, p_image_dest: *p_image);
8469
8470 /*Allocate and initialize some elements of codestrem index*/
8471 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
8472 opj_image_destroy(image: *p_image);
8473 *p_image = NULL;
8474 return OPJ_FALSE;
8475 }
8476
8477 return OPJ_TRUE;
8478}
8479
8480static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
8481 opj_event_mgr_t * p_manager)
8482{
8483 /* preconditions*/
8484 assert(p_j2k != 00);
8485 assert(p_manager != 00);
8486
8487 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
8488 p_procedure: (opj_procedure)opj_j2k_read_header_procedure, p_manager)) {
8489 return OPJ_FALSE;
8490 }
8491
8492 /* DEVELOPER CORNER, add your custom procedures */
8493 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
8494 p_procedure: (opj_procedure)opj_j2k_copy_default_tcp_and_create_tcd, p_manager)) {
8495 return OPJ_FALSE;
8496 }
8497
8498 return OPJ_TRUE;
8499}
8500
8501static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
8502 opj_event_mgr_t * p_manager)
8503{
8504 /* preconditions*/
8505 assert(p_j2k != 00);
8506 assert(p_manager != 00);
8507
8508 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_validation_list,
8509 p_procedure: (opj_procedure)opj_j2k_build_decoder, p_manager)) {
8510 return OPJ_FALSE;
8511 }
8512 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_validation_list,
8513 p_procedure: (opj_procedure)opj_j2k_decoding_validation, p_manager)) {
8514 return OPJ_FALSE;
8515 }
8516
8517 /* DEVELOPER CORNER, add your custom validation procedure */
8518 return OPJ_TRUE;
8519}
8520
8521static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
8522 opj_stream_private_t *p_stream,
8523 opj_event_mgr_t * p_manager)
8524{
8525 OPJ_BOOL l_is_valid = OPJ_TRUE;
8526 OPJ_UINT32 i, j;
8527
8528 /* preconditions */
8529 assert(p_j2k != 00);
8530 assert(p_stream != 00);
8531 assert(p_manager != 00);
8532
8533 OPJ_UNUSED(p_stream);
8534 OPJ_UNUSED(p_manager);
8535
8536 if ((p_j2k->m_cp.rsiz & 0x8200) == 0x8200) {
8537 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
8538 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
8539
8540 for (i = 0; i < l_nb_tiles; ++i) {
8541 if (l_tcp->mct == 2) {
8542 opj_tccp_t * l_tccp = l_tcp->tccps;
8543 l_is_valid &= (l_tcp->m_mct_coding_matrix != 00);
8544
8545 for (j = 0; j < p_j2k->m_private_image->numcomps; ++j) {
8546 l_is_valid &= !(l_tccp->qmfbid & 1);
8547 ++l_tccp;
8548 }
8549 }
8550 ++l_tcp;
8551 }
8552 }
8553
8554 return l_is_valid;
8555}
8556
8557OPJ_BOOL opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp, opj_image_t * p_image)
8558{
8559 OPJ_UINT32 i;
8560 OPJ_UINT32 l_indix = 1;
8561 opj_mct_data_t * l_mct_deco_data = 00, * l_mct_offset_data = 00;
8562 opj_simple_mcc_decorrelation_data_t * l_mcc_data;
8563 OPJ_UINT32 l_mct_size, l_nb_elem;
8564 OPJ_FLOAT32 * l_data, * l_current_data;
8565 opj_tccp_t * l_tccp;
8566
8567 /* preconditions */
8568 assert(p_tcp != 00);
8569
8570 if (p_tcp->mct != 2) {
8571 return OPJ_TRUE;
8572 }
8573
8574 if (p_tcp->m_mct_decoding_matrix) {
8575 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
8576 opj_mct_data_t *new_mct_records;
8577 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
8578
8579 new_mct_records = (opj_mct_data_t *) opj_realloc(m: p_tcp->m_mct_records,
8580 s: p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
8581 if (! new_mct_records) {
8582 opj_free(m: p_tcp->m_mct_records);
8583 p_tcp->m_mct_records = NULL;
8584 p_tcp->m_nb_max_mct_records = 0;
8585 p_tcp->m_nb_mct_records = 0;
8586 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
8587 return OPJ_FALSE;
8588 }
8589 p_tcp->m_mct_records = new_mct_records;
8590 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8591
8592 memset(s: l_mct_deco_data, c: 0,
8593 n: (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
8594 opj_mct_data_t));
8595 }
8596 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8597
8598 if (l_mct_deco_data->m_data) {
8599 opj_free(m: l_mct_deco_data->m_data);
8600 l_mct_deco_data->m_data = 00;
8601 }
8602
8603 l_mct_deco_data->m_index = l_indix++;
8604 l_mct_deco_data->m_array_type = MCT_TYPE_DECORRELATION;
8605 l_mct_deco_data->m_element_type = MCT_TYPE_FLOAT;
8606 l_nb_elem = p_image->numcomps * p_image->numcomps;
8607 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_deco_data->m_element_type];
8608 l_mct_deco_data->m_data = (OPJ_BYTE*)opj_malloc(size: l_mct_size);
8609
8610 if (! l_mct_deco_data->m_data) {
8611 return OPJ_FALSE;
8612 }
8613
8614 j2k_mct_write_functions_from_float[l_mct_deco_data->m_element_type](
8615 p_tcp->m_mct_decoding_matrix, l_mct_deco_data->m_data, l_nb_elem);
8616
8617 l_mct_deco_data->m_data_size = l_mct_size;
8618 ++p_tcp->m_nb_mct_records;
8619 }
8620
8621 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
8622 opj_mct_data_t *new_mct_records;
8623 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
8624 new_mct_records = (opj_mct_data_t *) opj_realloc(m: p_tcp->m_mct_records,
8625 s: p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
8626 if (! new_mct_records) {
8627 opj_free(m: p_tcp->m_mct_records);
8628 p_tcp->m_mct_records = NULL;
8629 p_tcp->m_nb_max_mct_records = 0;
8630 p_tcp->m_nb_mct_records = 0;
8631 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
8632 return OPJ_FALSE;
8633 }
8634 p_tcp->m_mct_records = new_mct_records;
8635 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8636
8637 memset(s: l_mct_offset_data, c: 0,
8638 n: (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
8639 opj_mct_data_t));
8640
8641 if (l_mct_deco_data) {
8642 l_mct_deco_data = l_mct_offset_data - 1;
8643 }
8644 }
8645
8646 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8647
8648 if (l_mct_offset_data->m_data) {
8649 opj_free(m: l_mct_offset_data->m_data);
8650 l_mct_offset_data->m_data = 00;
8651 }
8652
8653 l_mct_offset_data->m_index = l_indix++;
8654 l_mct_offset_data->m_array_type = MCT_TYPE_OFFSET;
8655 l_mct_offset_data->m_element_type = MCT_TYPE_FLOAT;
8656 l_nb_elem = p_image->numcomps;
8657 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_offset_data->m_element_type];
8658 l_mct_offset_data->m_data = (OPJ_BYTE*)opj_malloc(size: l_mct_size);
8659
8660 if (! l_mct_offset_data->m_data) {
8661 return OPJ_FALSE;
8662 }
8663
8664 l_data = (OPJ_FLOAT32*)opj_malloc(size: l_nb_elem * sizeof(OPJ_FLOAT32));
8665 if (! l_data) {
8666 opj_free(m: l_mct_offset_data->m_data);
8667 l_mct_offset_data->m_data = 00;
8668 return OPJ_FALSE;
8669 }
8670
8671 l_tccp = p_tcp->tccps;
8672 l_current_data = l_data;
8673
8674 for (i = 0; i < l_nb_elem; ++i) {
8675 *(l_current_data++) = (OPJ_FLOAT32)(l_tccp->m_dc_level_shift);
8676 ++l_tccp;
8677 }
8678
8679 j2k_mct_write_functions_from_float[l_mct_offset_data->m_element_type](l_data,
8680 l_mct_offset_data->m_data, l_nb_elem);
8681
8682 opj_free(m: l_data);
8683
8684 l_mct_offset_data->m_data_size = l_mct_size;
8685
8686 ++p_tcp->m_nb_mct_records;
8687
8688 if (p_tcp->m_nb_mcc_records == p_tcp->m_nb_max_mcc_records) {
8689 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
8690 p_tcp->m_nb_max_mcc_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
8691 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
8692 m: p_tcp->m_mcc_records, s: p_tcp->m_nb_max_mcc_records * sizeof(
8693 opj_simple_mcc_decorrelation_data_t));
8694 if (! new_mcc_records) {
8695 opj_free(m: p_tcp->m_mcc_records);
8696 p_tcp->m_mcc_records = NULL;
8697 p_tcp->m_nb_max_mcc_records = 0;
8698 p_tcp->m_nb_mcc_records = 0;
8699 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
8700 return OPJ_FALSE;
8701 }
8702 p_tcp->m_mcc_records = new_mcc_records;
8703 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
8704 memset(s: l_mcc_data, c: 0, n: (p_tcp->m_nb_max_mcc_records - p_tcp->m_nb_mcc_records) *
8705 sizeof(opj_simple_mcc_decorrelation_data_t));
8706
8707 }
8708
8709 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
8710 l_mcc_data->m_decorrelation_array = l_mct_deco_data;
8711 l_mcc_data->m_is_irreversible = 1;
8712 l_mcc_data->m_nb_comps = p_image->numcomps;
8713 l_mcc_data->m_index = l_indix++;
8714 l_mcc_data->m_offset_array = l_mct_offset_data;
8715 ++p_tcp->m_nb_mcc_records;
8716
8717 return OPJ_TRUE;
8718}
8719
8720static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
8721 opj_stream_private_t *p_stream,
8722 opj_event_mgr_t * p_manager)
8723{
8724 /* add here initialization of cp
8725 copy paste of setup_decoder */
8726 (void)p_j2k;
8727 (void)p_stream;
8728 (void)p_manager;
8729 return OPJ_TRUE;
8730}
8731
8732static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
8733 opj_stream_private_t *p_stream,
8734 opj_event_mgr_t * p_manager)
8735{
8736 /* add here initialization of cp
8737 copy paste of setup_encoder */
8738 (void)p_j2k;
8739 (void)p_stream;
8740 (void)p_manager;
8741 return OPJ_TRUE;
8742}
8743
8744static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
8745 opj_stream_private_t *p_stream,
8746 opj_event_mgr_t * p_manager)
8747{
8748 OPJ_BOOL l_is_valid = OPJ_TRUE;
8749
8750 /* preconditions */
8751 assert(p_j2k != 00);
8752 assert(p_stream != 00);
8753 assert(p_manager != 00);
8754
8755 OPJ_UNUSED(p_stream);
8756
8757 /* STATE checking */
8758 /* make sure the state is at 0 */
8759 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NONE);
8760
8761 /* POINTER validation */
8762 /* make sure a p_j2k codec is present */
8763 l_is_valid &= (p_j2k->m_procedure_list != 00);
8764 /* make sure a validation list is present */
8765 l_is_valid &= (p_j2k->m_validation_list != 00);
8766
8767 /* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */
8768 /* 33 (32) would always fail the check below (if a cast to 64bits was done) */
8769 /* FIXME Shall we change OPJ_J2K_MAXRLVLS to 32 ? */
8770 if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) ||
8771 (p_j2k->m_cp.tcps->tccps->numresolutions > 32)) {
8772 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8773 fmt: "Number of resolutions is too high in comparison to the size of tiles\n");
8774 return OPJ_FALSE;
8775 }
8776
8777 if ((p_j2k->m_cp.tdx) < (OPJ_UINT32)(1 <<
8778 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
8779 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8780 fmt: "Number of resolutions is too high in comparison to the size of tiles\n");
8781 return OPJ_FALSE;
8782 }
8783
8784 if ((p_j2k->m_cp.tdy) < (OPJ_UINT32)(1 <<
8785 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
8786 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8787 fmt: "Number of resolutions is too high in comparison to the size of tiles\n");
8788 return OPJ_FALSE;
8789 }
8790
8791 /* PARAMETER VALIDATION */
8792 return l_is_valid;
8793}
8794
8795static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t *p_j2k,
8796 opj_stream_private_t *p_stream,
8797 opj_event_mgr_t * p_manager
8798 )
8799{
8800 OPJ_BOOL l_is_valid = OPJ_TRUE;
8801
8802 /* preconditions*/
8803 assert(p_j2k != 00);
8804 assert(p_stream != 00);
8805 assert(p_manager != 00);
8806
8807 OPJ_UNUSED(p_stream);
8808 OPJ_UNUSED(p_manager);
8809
8810 /* STATE checking */
8811 /* make sure the state is at 0 */
8812#ifdef TODO_MSD
8813 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
8814#endif
8815 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000);
8816
8817 /* POINTER validation */
8818 /* make sure a p_j2k codec is present */
8819 /* make sure a procedure list is present */
8820 l_is_valid &= (p_j2k->m_procedure_list != 00);
8821 /* make sure a validation list is present */
8822 l_is_valid &= (p_j2k->m_validation_list != 00);
8823
8824 /* PARAMETER VALIDATION */
8825 return l_is_valid;
8826}
8827
8828static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
8829 opj_stream_private_t *p_stream,
8830 opj_event_mgr_t * p_manager)
8831{
8832 OPJ_UINT32 l_current_marker;
8833 OPJ_UINT32 l_marker_size;
8834 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
8835 OPJ_BOOL l_has_siz = 0;
8836 OPJ_BOOL l_has_cod = 0;
8837 OPJ_BOOL l_has_qcd = 0;
8838
8839 /* preconditions */
8840 assert(p_stream != 00);
8841 assert(p_j2k != 00);
8842 assert(p_manager != 00);
8843
8844 /* We enter in the main header */
8845 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
8846
8847 /* Try to read the SOC marker, the codestream must begin with SOC marker */
8848 if (! opj_j2k_read_soc(p_j2k, p_stream, p_manager)) {
8849 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Expected a SOC marker \n");
8850 return OPJ_FALSE;
8851 }
8852
8853 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8854 if (opj_stream_read_data(p_stream,
8855 p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data, p_size: 2, p_event_mgr: p_manager) != 2) {
8856 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short\n");
8857 return OPJ_FALSE;
8858 }
8859
8860 /* Read 2 bytes as the new marker ID */
8861 opj_read_bytes(p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data,
8862 p_value: &l_current_marker, p_nb_bytes: 2);
8863
8864 /* Try to read until the SOT is detected */
8865 while (l_current_marker != J2K_MS_SOT) {
8866
8867 /* Check if the current marker ID is valid */
8868 if (l_current_marker < 0xff00) {
8869 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8870 fmt: "A marker ID was expected (0xff--) instead of %.8x\n", l_current_marker);
8871 return OPJ_FALSE;
8872 }
8873
8874 /* Get the marker handler from the marker ID */
8875 l_marker_handler = opj_j2k_get_marker_handler(p_id: l_current_marker);
8876
8877 /* Manage case where marker is unknown */
8878 if (l_marker_handler->id == J2K_MS_UNK) {
8879 if (! opj_j2k_read_unk(p_j2k, p_stream, output_marker: &l_current_marker, p_manager)) {
8880 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8881 fmt: "Unknown marker has been detected and generated error.\n");
8882 return OPJ_FALSE;
8883 }
8884
8885 if (l_current_marker == J2K_MS_SOT) {
8886 break; /* SOT marker is detected main header is completely read */
8887 } else { /* Get the marker handler from the marker ID */
8888 l_marker_handler = opj_j2k_get_marker_handler(p_id: l_current_marker);
8889 }
8890 }
8891
8892 if (l_marker_handler->id == J2K_MS_SIZ) {
8893 /* Mark required SIZ marker as found */
8894 l_has_siz = 1;
8895 }
8896 if (l_marker_handler->id == J2K_MS_COD) {
8897 /* Mark required COD marker as found */
8898 l_has_cod = 1;
8899 }
8900 if (l_marker_handler->id == J2K_MS_QCD) {
8901 /* Mark required QCD marker as found */
8902 l_has_qcd = 1;
8903 }
8904
8905 /* Check if the marker is known and if it is the right place to find it */
8906 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
8907 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8908 fmt: "Marker is not compliant with its position\n");
8909 return OPJ_FALSE;
8910 }
8911
8912 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
8913 if (opj_stream_read_data(p_stream,
8914 p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data, p_size: 2, p_event_mgr: p_manager) != 2) {
8915 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short\n");
8916 return OPJ_FALSE;
8917 }
8918
8919 /* read 2 bytes as the marker size */
8920 opj_read_bytes(p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data, p_value: &l_marker_size,
8921 p_nb_bytes: 2);
8922 if (l_marker_size < 2) {
8923 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Invalid marker size\n");
8924 return OPJ_FALSE;
8925 }
8926 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
8927
8928 /* Check if the marker size is compatible with the header data size */
8929 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
8930 OPJ_BYTE *new_header_data = (OPJ_BYTE *) opj_realloc(
8931 m: p_j2k->m_specific_param.m_decoder.m_header_data, s: l_marker_size);
8932 if (! new_header_data) {
8933 opj_free(m: p_j2k->m_specific_param.m_decoder.m_header_data);
8934 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
8935 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
8936 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to read header\n");
8937 return OPJ_FALSE;
8938 }
8939 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
8940 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
8941 }
8942
8943 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
8944 if (opj_stream_read_data(p_stream,
8945 p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data, p_size: l_marker_size,
8946 p_event_mgr: p_manager) != l_marker_size) {
8947 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short\n");
8948 return OPJ_FALSE;
8949 }
8950
8951 /* Read the marker segment with the correct marker handler */
8952 if (!(*(l_marker_handler->handler))(p_j2k,
8953 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
8954 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8955 fmt: "Marker handler function failed to read the marker segment\n");
8956 return OPJ_FALSE;
8957 }
8958
8959 /* Add the marker to the codestream index*/
8960 if (OPJ_FALSE == opj_j2k_add_mhmarker(
8961 cstr_index: p_j2k->cstr_index,
8962 type: l_marker_handler->id,
8963 pos: (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
8964 len: l_marker_size + 4)) {
8965 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to add mh marker\n");
8966 return OPJ_FALSE;
8967 }
8968
8969 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8970 if (opj_stream_read_data(p_stream,
8971 p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data, p_size: 2, p_event_mgr: p_manager) != 2) {
8972 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short\n");
8973 return OPJ_FALSE;
8974 }
8975
8976 /* read 2 bytes as the new marker ID */
8977 opj_read_bytes(p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data,
8978 p_value: &l_current_marker, p_nb_bytes: 2);
8979 }
8980
8981 if (l_has_siz == 0) {
8982 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8983 fmt: "required SIZ marker not found in main header\n");
8984 return OPJ_FALSE;
8985 }
8986 if (l_has_cod == 0) {
8987 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8988 fmt: "required COD marker not found in main header\n");
8989 return OPJ_FALSE;
8990 }
8991 if (l_has_qcd == 0) {
8992 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
8993 fmt: "required QCD marker not found in main header\n");
8994 return OPJ_FALSE;
8995 }
8996
8997 if (! opj_j2k_merge_ppm(p_cp: &(p_j2k->m_cp), p_manager)) {
8998 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Failed to merge PPM data\n");
8999 return OPJ_FALSE;
9000 }
9001
9002 opj_event_msg(event_mgr: p_manager, EVT_INFO, fmt: "Main header has been correctly decoded.\n");
9003
9004 /* Position of the last element if the main header */
9005 p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2;
9006
9007 /* Next step: read a tile-part header */
9008 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
9009
9010 return OPJ_TRUE;
9011}
9012
9013static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
9014 opj_procedure_list_t * p_procedure_list,
9015 opj_stream_private_t *p_stream,
9016 opj_event_mgr_t * p_manager)
9017{
9018 OPJ_BOOL(** l_procedure)(opj_j2k_t *, opj_stream_private_t *,
9019 opj_event_mgr_t *) = 00;
9020 OPJ_BOOL l_result = OPJ_TRUE;
9021 OPJ_UINT32 l_nb_proc, i;
9022
9023 /* preconditions*/
9024 assert(p_procedure_list != 00);
9025 assert(p_j2k != 00);
9026 assert(p_stream != 00);
9027 assert(p_manager != 00);
9028
9029 l_nb_proc = opj_procedure_list_get_nb_procedures(p_validation_list: p_procedure_list);
9030 l_procedure = (OPJ_BOOL(**)(opj_j2k_t *, opj_stream_private_t *,
9031 opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_validation_list: p_procedure_list);
9032
9033 for (i = 0; i < l_nb_proc; ++i) {
9034 l_result = l_result && ((*l_procedure)(p_j2k, p_stream, p_manager));
9035 ++l_procedure;
9036 }
9037
9038 /* and clear the procedure list at the end.*/
9039 opj_procedure_list_clear(p_validation_list: p_procedure_list);
9040 return l_result;
9041}
9042
9043/* FIXME DOC*/
9044static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
9045 opj_stream_private_t *p_stream,
9046 opj_event_mgr_t * p_manager
9047 )
9048{
9049 opj_tcp_t * l_tcp = 00;
9050 opj_tcp_t * l_default_tcp = 00;
9051 OPJ_UINT32 l_nb_tiles;
9052 OPJ_UINT32 i, j;
9053 opj_tccp_t *l_current_tccp = 00;
9054 OPJ_UINT32 l_tccp_size;
9055 OPJ_UINT32 l_mct_size;
9056 opj_image_t * l_image;
9057 OPJ_UINT32 l_mcc_records_size, l_mct_records_size;
9058 opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
9059 opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
9060 OPJ_UINT32 l_offset;
9061
9062 /* preconditions */
9063 assert(p_j2k != 00);
9064 assert(p_stream != 00);
9065 assert(p_manager != 00);
9066
9067 OPJ_UNUSED(p_stream);
9068
9069 l_image = p_j2k->m_private_image;
9070 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
9071 l_tcp = p_j2k->m_cp.tcps;
9072 l_tccp_size = l_image->numcomps * (OPJ_UINT32)sizeof(opj_tccp_t);
9073 l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
9074 l_mct_size = l_image->numcomps * l_image->numcomps * (OPJ_UINT32)sizeof(
9075 OPJ_FLOAT32);
9076
9077 /* For each tile */
9078 for (i = 0; i < l_nb_tiles; ++i) {
9079 /* keep the tile-compo coding parameters pointer of the current tile coding parameters*/
9080 l_current_tccp = l_tcp->tccps;
9081 /*Copy default coding parameters into the current tile coding parameters*/
9082 memcpy(dest: l_tcp, src: l_default_tcp, n: sizeof(opj_tcp_t));
9083 /* Initialize some values of the current tile coding parameters*/
9084 l_tcp->cod = 0;
9085 l_tcp->ppt = 0;
9086 l_tcp->ppt_data = 00;
9087 l_tcp->m_current_tile_part_number = -1;
9088 /* Remove memory not owned by this tile in case of early error return. */
9089 l_tcp->m_mct_decoding_matrix = 00;
9090 l_tcp->m_nb_max_mct_records = 0;
9091 l_tcp->m_mct_records = 00;
9092 l_tcp->m_nb_max_mcc_records = 0;
9093 l_tcp->m_mcc_records = 00;
9094 /* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
9095 l_tcp->tccps = l_current_tccp;
9096
9097 /* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/
9098 if (l_default_tcp->m_mct_decoding_matrix) {
9099 l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(size: l_mct_size);
9100 if (! l_tcp->m_mct_decoding_matrix) {
9101 return OPJ_FALSE;
9102 }
9103 memcpy(dest: l_tcp->m_mct_decoding_matrix, src: l_default_tcp->m_mct_decoding_matrix,
9104 n: l_mct_size);
9105 }
9106
9107 /* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/
9108 l_mct_records_size = l_default_tcp->m_nb_max_mct_records * (OPJ_UINT32)sizeof(
9109 opj_mct_data_t);
9110 l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(size: l_mct_records_size);
9111 if (! l_tcp->m_mct_records) {
9112 return OPJ_FALSE;
9113 }
9114 memcpy(dest: l_tcp->m_mct_records, src: l_default_tcp->m_mct_records, n: l_mct_records_size);
9115
9116 /* Copy the mct record data from dflt_tile_cp to the current tile*/
9117 l_src_mct_rec = l_default_tcp->m_mct_records;
9118 l_dest_mct_rec = l_tcp->m_mct_records;
9119
9120 for (j = 0; j < l_default_tcp->m_nb_mct_records; ++j) {
9121
9122 if (l_src_mct_rec->m_data) {
9123
9124 l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(size: l_src_mct_rec->m_data_size);
9125 if (! l_dest_mct_rec->m_data) {
9126 return OPJ_FALSE;
9127 }
9128 memcpy(dest: l_dest_mct_rec->m_data, src: l_src_mct_rec->m_data,
9129 n: l_src_mct_rec->m_data_size);
9130 }
9131
9132 ++l_src_mct_rec;
9133 ++l_dest_mct_rec;
9134 /* Update with each pass to free exactly what has been allocated on early return. */
9135 l_tcp->m_nb_max_mct_records += 1;
9136 }
9137
9138 /* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
9139 l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * (OPJ_UINT32)sizeof(
9140 opj_simple_mcc_decorrelation_data_t);
9141 l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(
9142 size: l_mcc_records_size);
9143 if (! l_tcp->m_mcc_records) {
9144 return OPJ_FALSE;
9145 }
9146 memcpy(dest: l_tcp->m_mcc_records, src: l_default_tcp->m_mcc_records, n: l_mcc_records_size);
9147 l_tcp->m_nb_max_mcc_records = l_default_tcp->m_nb_max_mcc_records;
9148
9149 /* Copy the mcc record data from dflt_tile_cp to the current tile*/
9150 l_src_mcc_rec = l_default_tcp->m_mcc_records;
9151 l_dest_mcc_rec = l_tcp->m_mcc_records;
9152
9153 for (j = 0; j < l_default_tcp->m_nb_max_mcc_records; ++j) {
9154
9155 if (l_src_mcc_rec->m_decorrelation_array) {
9156 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_decorrelation_array -
9157 l_default_tcp->m_mct_records);
9158 l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
9159 }
9160
9161 if (l_src_mcc_rec->m_offset_array) {
9162 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_offset_array -
9163 l_default_tcp->m_mct_records);
9164 l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
9165 }
9166
9167 ++l_src_mcc_rec;
9168 ++l_dest_mcc_rec;
9169 }
9170
9171 /* Copy all the dflt_tile_compo_cp to the current tile cp */
9172 memcpy(dest: l_current_tccp, src: l_default_tcp->tccps, n: l_tccp_size);
9173
9174 /* Move to next tile cp*/
9175 ++l_tcp;
9176 }
9177
9178 /* Create the current tile decoder*/
9179 p_j2k->m_tcd = opj_tcd_create(OPJ_TRUE);
9180 if (! p_j2k->m_tcd) {
9181 return OPJ_FALSE;
9182 }
9183
9184 if (!opj_tcd_init(p_tcd: p_j2k->m_tcd, p_image: l_image, p_cp: &(p_j2k->m_cp), p_tp: p_j2k->m_tp)) {
9185 opj_tcd_destroy(tcd: p_j2k->m_tcd);
9186 p_j2k->m_tcd = 00;
9187 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Cannot decode tile, memory error\n");
9188 return OPJ_FALSE;
9189 }
9190
9191 return OPJ_TRUE;
9192}
9193
9194static const opj_dec_memory_marker_handler_t * opj_j2k_get_marker_handler(
9195 OPJ_UINT32 p_id)
9196{
9197 const opj_dec_memory_marker_handler_t *e;
9198 for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) {
9199 if (e->id == p_id) {
9200 break; /* we find a handler corresponding to the marker ID*/
9201 }
9202 }
9203 return e;
9204}
9205
9206void opj_j2k_destroy(opj_j2k_t *p_j2k)
9207{
9208 if (p_j2k == 00) {
9209 return;
9210 }
9211
9212 if (p_j2k->m_is_decoder) {
9213
9214 if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) {
9215 opj_j2k_tcp_destroy(p_tcp: p_j2k->m_specific_param.m_decoder.m_default_tcp);
9216 opj_free(m: p_j2k->m_specific_param.m_decoder.m_default_tcp);
9217 p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
9218 }
9219
9220 if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) {
9221 opj_free(m: p_j2k->m_specific_param.m_decoder.m_header_data);
9222 p_j2k->m_specific_param.m_decoder.m_header_data = 00;
9223 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
9224 }
9225
9226 opj_free(m: p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
9227 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = 00;
9228 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
9229
9230 } else {
9231
9232 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
9233 opj_free(m: p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
9234 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
9235 }
9236
9237 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
9238 opj_free(m: p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
9239 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
9240 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
9241 }
9242
9243 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
9244 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
9245 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
9246 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
9247 }
9248 }
9249
9250 opj_tcd_destroy(tcd: p_j2k->m_tcd);
9251
9252 opj_j2k_cp_destroy(p_cp: &(p_j2k->m_cp));
9253 memset(s: &(p_j2k->m_cp), c: 0, n: sizeof(opj_cp_t));
9254
9255 opj_procedure_list_destroy(p_list: p_j2k->m_procedure_list);
9256 p_j2k->m_procedure_list = 00;
9257
9258 opj_procedure_list_destroy(p_list: p_j2k->m_validation_list);
9259 p_j2k->m_procedure_list = 00;
9260
9261 j2k_destroy_cstr_index(p_cstr_ind: p_j2k->cstr_index);
9262 p_j2k->cstr_index = NULL;
9263
9264 opj_image_destroy(image: p_j2k->m_private_image);
9265 p_j2k->m_private_image = NULL;
9266
9267 opj_image_destroy(image: p_j2k->m_output_image);
9268 p_j2k->m_output_image = NULL;
9269
9270 opj_thread_pool_destroy(tp: p_j2k->m_tp);
9271 p_j2k->m_tp = NULL;
9272
9273 opj_free(m: p_j2k);
9274}
9275
9276void j2k_destroy_cstr_index(opj_codestream_index_t *p_cstr_ind)
9277{
9278 if (p_cstr_ind) {
9279
9280 if (p_cstr_ind->marker) {
9281 opj_free(m: p_cstr_ind->marker);
9282 p_cstr_ind->marker = NULL;
9283 }
9284
9285 if (p_cstr_ind->tile_index) {
9286 OPJ_UINT32 it_tile = 0;
9287
9288 for (it_tile = 0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) {
9289
9290 if (p_cstr_ind->tile_index[it_tile].packet_index) {
9291 opj_free(m: p_cstr_ind->tile_index[it_tile].packet_index);
9292 p_cstr_ind->tile_index[it_tile].packet_index = NULL;
9293 }
9294
9295 if (p_cstr_ind->tile_index[it_tile].tp_index) {
9296 opj_free(m: p_cstr_ind->tile_index[it_tile].tp_index);
9297 p_cstr_ind->tile_index[it_tile].tp_index = NULL;
9298 }
9299
9300 if (p_cstr_ind->tile_index[it_tile].marker) {
9301 opj_free(m: p_cstr_ind->tile_index[it_tile].marker);
9302 p_cstr_ind->tile_index[it_tile].marker = NULL;
9303
9304 }
9305 }
9306
9307 opj_free(m: p_cstr_ind->tile_index);
9308 p_cstr_ind->tile_index = NULL;
9309 }
9310
9311 opj_free(m: p_cstr_ind);
9312 }
9313}
9314
9315static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp)
9316{
9317 if (p_tcp == 00) {
9318 return;
9319 }
9320
9321 if (p_tcp->ppt_markers != 00) {
9322 OPJ_UINT32 i;
9323 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
9324 if (p_tcp->ppt_markers[i].m_data != NULL) {
9325 opj_free(m: p_tcp->ppt_markers[i].m_data);
9326 }
9327 }
9328 p_tcp->ppt_markers_count = 0U;
9329 opj_free(m: p_tcp->ppt_markers);
9330 p_tcp->ppt_markers = NULL;
9331 }
9332
9333 if (p_tcp->ppt_buffer != 00) {
9334 opj_free(m: p_tcp->ppt_buffer);
9335 p_tcp->ppt_buffer = 00;
9336 }
9337
9338 if (p_tcp->tccps != 00) {
9339 opj_free(m: p_tcp->tccps);
9340 p_tcp->tccps = 00;
9341 }
9342
9343 if (p_tcp->m_mct_coding_matrix != 00) {
9344 opj_free(m: p_tcp->m_mct_coding_matrix);
9345 p_tcp->m_mct_coding_matrix = 00;
9346 }
9347
9348 if (p_tcp->m_mct_decoding_matrix != 00) {
9349 opj_free(m: p_tcp->m_mct_decoding_matrix);
9350 p_tcp->m_mct_decoding_matrix = 00;
9351 }
9352
9353 if (p_tcp->m_mcc_records) {
9354 opj_free(m: p_tcp->m_mcc_records);
9355 p_tcp->m_mcc_records = 00;
9356 p_tcp->m_nb_max_mcc_records = 0;
9357 p_tcp->m_nb_mcc_records = 0;
9358 }
9359
9360 if (p_tcp->m_mct_records) {
9361 opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
9362 OPJ_UINT32 i;
9363
9364 for (i = 0; i < p_tcp->m_nb_mct_records; ++i) {
9365 if (l_mct_data->m_data) {
9366 opj_free(m: l_mct_data->m_data);
9367 l_mct_data->m_data = 00;
9368 }
9369
9370 ++l_mct_data;
9371 }
9372
9373 opj_free(m: p_tcp->m_mct_records);
9374 p_tcp->m_mct_records = 00;
9375 }
9376
9377 if (p_tcp->mct_norms != 00) {
9378 opj_free(m: p_tcp->mct_norms);
9379 p_tcp->mct_norms = 00;
9380 }
9381
9382 opj_j2k_tcp_data_destroy(p_tcp);
9383
9384}
9385
9386static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp)
9387{
9388 if (p_tcp->m_data) {
9389 opj_free(m: p_tcp->m_data);
9390 p_tcp->m_data = NULL;
9391 p_tcp->m_data_size = 0;
9392 }
9393}
9394
9395static void opj_j2k_cp_destroy(opj_cp_t *p_cp)
9396{
9397 OPJ_UINT32 l_nb_tiles;
9398 opj_tcp_t * l_current_tile = 00;
9399
9400 if (p_cp == 00) {
9401 return;
9402 }
9403 if (p_cp->tcps != 00) {
9404 OPJ_UINT32 i;
9405 l_current_tile = p_cp->tcps;
9406 l_nb_tiles = p_cp->th * p_cp->tw;
9407
9408 for (i = 0U; i < l_nb_tiles; ++i) {
9409 opj_j2k_tcp_destroy(p_tcp: l_current_tile);
9410 ++l_current_tile;
9411 }
9412 opj_free(m: p_cp->tcps);
9413 p_cp->tcps = 00;
9414 }
9415 if (p_cp->ppm_markers != 00) {
9416 OPJ_UINT32 i;
9417 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
9418 if (p_cp->ppm_markers[i].m_data != NULL) {
9419 opj_free(m: p_cp->ppm_markers[i].m_data);
9420 }
9421 }
9422 p_cp->ppm_markers_count = 0U;
9423 opj_free(m: p_cp->ppm_markers);
9424 p_cp->ppm_markers = NULL;
9425 }
9426 opj_free(m: p_cp->ppm_buffer);
9427 p_cp->ppm_buffer = 00;
9428 p_cp->ppm_data =
9429 NULL; /* ppm_data belongs to the allocated buffer pointed by ppm_buffer */
9430 opj_free(m: p_cp->comment);
9431 p_cp->comment = 00;
9432 if (! p_cp->m_is_decoder) {
9433 opj_free(m: p_cp->m_specific_param.m_enc.m_matrice);
9434 p_cp->m_specific_param.m_enc.m_matrice = 00;
9435 }
9436}
9437
9438static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
9439 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
9440 opj_event_mgr_t * p_manager)
9441{
9442 OPJ_BYTE l_header_data[10];
9443 OPJ_OFF_T l_stream_pos_backup;
9444 OPJ_UINT32 l_current_marker;
9445 OPJ_UINT32 l_marker_size;
9446 OPJ_UINT32 l_tile_no, l_tot_len, l_current_part, l_num_parts;
9447
9448 /* initialize to no correction needed */
9449 *p_correction_needed = OPJ_FALSE;
9450
9451 if (!opj_stream_has_seek(p_stream)) {
9452 /* We can't do much in this case, seek is needed */
9453 return OPJ_TRUE;
9454 }
9455
9456 l_stream_pos_backup = opj_stream_tell(p_stream);
9457 if (l_stream_pos_backup == -1) {
9458 /* let's do nothing */
9459 return OPJ_TRUE;
9460 }
9461
9462 for (;;) {
9463 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
9464 if (opj_stream_read_data(p_stream, p_buffer: l_header_data, p_size: 2, p_event_mgr: p_manager) != 2) {
9465 /* assume all is OK */
9466 if (! opj_stream_seek(p_stream, p_size: l_stream_pos_backup, p_event_mgr: p_manager)) {
9467 return OPJ_FALSE;
9468 }
9469 return OPJ_TRUE;
9470 }
9471
9472 /* Read 2 bytes from buffer as the new marker ID */
9473 opj_read_bytes(p_buffer: l_header_data, p_value: &l_current_marker, p_nb_bytes: 2);
9474
9475 if (l_current_marker != J2K_MS_SOT) {
9476 /* assume all is OK */
9477 if (! opj_stream_seek(p_stream, p_size: l_stream_pos_backup, p_event_mgr: p_manager)) {
9478 return OPJ_FALSE;
9479 }
9480 return OPJ_TRUE;
9481 }
9482
9483 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
9484 if (opj_stream_read_data(p_stream, p_buffer: l_header_data, p_size: 2, p_event_mgr: p_manager) != 2) {
9485 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short\n");
9486 return OPJ_FALSE;
9487 }
9488
9489 /* Read 2 bytes from the buffer as the marker size */
9490 opj_read_bytes(p_buffer: l_header_data, p_value: &l_marker_size, p_nb_bytes: 2);
9491
9492 /* Check marker size for SOT Marker */
9493 if (l_marker_size != 10) {
9494 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Inconsistent marker size\n");
9495 return OPJ_FALSE;
9496 }
9497 l_marker_size -= 2;
9498
9499 if (opj_stream_read_data(p_stream, p_buffer: l_header_data, p_size: l_marker_size,
9500 p_event_mgr: p_manager) != l_marker_size) {
9501 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short\n");
9502 return OPJ_FALSE;
9503 }
9504
9505 if (! opj_j2k_get_sot_values(p_header_data: l_header_data, p_header_size: l_marker_size, p_tile_no: &l_tile_no,
9506 p_tot_len: &l_tot_len, p_current_part: &l_current_part, p_num_parts: &l_num_parts, p_manager)) {
9507 return OPJ_FALSE;
9508 }
9509
9510 if (l_tile_no == tile_no) {
9511 /* we found what we were looking for */
9512 break;
9513 }
9514
9515 if (l_tot_len < 14U) {
9516 /* last SOT until EOC or invalid Psot value */
9517 /* assume all is OK */
9518 if (! opj_stream_seek(p_stream, p_size: l_stream_pos_backup, p_event_mgr: p_manager)) {
9519 return OPJ_FALSE;
9520 }
9521 return OPJ_TRUE;
9522 }
9523 l_tot_len -= 12U;
9524 /* look for next SOT marker */
9525 if (opj_stream_skip(p_stream, p_size: (OPJ_OFF_T)(l_tot_len),
9526 p_event_mgr: p_manager) != (OPJ_OFF_T)(l_tot_len)) {
9527 /* assume all is OK */
9528 if (! opj_stream_seek(p_stream, p_size: l_stream_pos_backup, p_event_mgr: p_manager)) {
9529 return OPJ_FALSE;
9530 }
9531 return OPJ_TRUE;
9532 }
9533 }
9534
9535 /* check for correction */
9536 if (l_current_part == l_num_parts) {
9537 *p_correction_needed = OPJ_TRUE;
9538 }
9539
9540 if (! opj_stream_seek(p_stream, p_size: l_stream_pos_backup, p_event_mgr: p_manager)) {
9541 return OPJ_FALSE;
9542 }
9543 return OPJ_TRUE;
9544}
9545
9546OPJ_BOOL opj_j2k_read_tile_header(opj_j2k_t * p_j2k,
9547 OPJ_UINT32 * p_tile_index,
9548 OPJ_UINT32 * p_data_size,
9549 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
9550 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
9551 OPJ_UINT32 * p_nb_comps,
9552 OPJ_BOOL * p_go_on,
9553 opj_stream_private_t *p_stream,
9554 opj_event_mgr_t * p_manager)
9555{
9556 OPJ_UINT32 l_current_marker = J2K_MS_SOT;
9557 OPJ_UINT32 l_marker_size;
9558 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
9559 opj_tcp_t * l_tcp = NULL;
9560 const OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
9561
9562 /* preconditions */
9563 assert(p_stream != 00);
9564 assert(p_j2k != 00);
9565 assert(p_manager != 00);
9566
9567 /* Reach the End Of Codestream ?*/
9568 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
9569 l_current_marker = J2K_MS_EOC;
9570 }
9571 /* We need to encounter a SOT marker (a new tile-part header) */
9572 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
9573 return OPJ_FALSE;
9574 }
9575
9576 /* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */
9577 while ((!p_j2k->m_specific_param.m_decoder.m_can_decode) &&
9578 (l_current_marker != J2K_MS_EOC)) {
9579
9580 /* Try to read until the Start Of Data is detected */
9581 while (l_current_marker != J2K_MS_SOD) {
9582
9583 if (opj_stream_get_number_byte_left(p_stream) == 0) {
9584 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
9585 break;
9586 }
9587
9588 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
9589 if (opj_stream_read_data(p_stream,
9590 p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data, p_size: 2, p_event_mgr: p_manager) != 2) {
9591 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short\n");
9592 return OPJ_FALSE;
9593 }
9594
9595 /* Read 2 bytes from the buffer as the marker size */
9596 opj_read_bytes(p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data, p_value: &l_marker_size,
9597 p_nb_bytes: 2);
9598
9599 /* Check marker size (does not include marker ID but includes marker size) */
9600 if (l_marker_size < 2) {
9601 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Inconsistent marker size\n");
9602 return OPJ_FALSE;
9603 }
9604
9605 /* cf. https://code.google.com/p/openjpeg/issues/detail?id=226 */
9606 if (l_current_marker == 0x8080 &&
9607 opj_stream_get_number_byte_left(p_stream) == 0) {
9608 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
9609 break;
9610 }
9611
9612 /* Why this condition? FIXME */
9613 if (p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH) {
9614 p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
9615 }
9616 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
9617
9618 /* Get the marker handler from the marker ID */
9619 l_marker_handler = opj_j2k_get_marker_handler(p_id: l_current_marker);
9620
9621 /* Check if the marker is known and if it is the right place to find it */
9622 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
9623 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
9624 fmt: "Marker is not compliant with its position\n");
9625 return OPJ_FALSE;
9626 }
9627 /* FIXME manage case of unknown marker as in the main header ? */
9628
9629 /* Check if the marker size is compatible with the header data size */
9630 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
9631 OPJ_BYTE *new_header_data = NULL;
9632 /* If we are here, this means we consider this marker as known & we will read it */
9633 /* Check enough bytes left in stream before allocation */
9634 if ((OPJ_OFF_T)l_marker_size > opj_stream_get_number_byte_left(p_stream)) {
9635 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
9636 fmt: "Marker size inconsistent with stream length\n");
9637 return OPJ_FALSE;
9638 }
9639 new_header_data = (OPJ_BYTE *) opj_realloc(
9640 m: p_j2k->m_specific_param.m_decoder.m_header_data, s: l_marker_size);
9641 if (! new_header_data) {
9642 opj_free(m: p_j2k->m_specific_param.m_decoder.m_header_data);
9643 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
9644 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
9645 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to read header\n");
9646 return OPJ_FALSE;
9647 }
9648 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
9649 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
9650 }
9651
9652 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
9653 if (opj_stream_read_data(p_stream,
9654 p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data, p_size: l_marker_size,
9655 p_event_mgr: p_manager) != l_marker_size) {
9656 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short\n");
9657 return OPJ_FALSE;
9658 }
9659
9660 if (!l_marker_handler->handler) {
9661 /* See issue #175 */
9662 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not sure how that happened.\n");
9663 return OPJ_FALSE;
9664 }
9665 /* Read the marker segment with the correct marker handler */
9666 if (!(*(l_marker_handler->handler))(p_j2k,
9667 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
9668 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
9669 fmt: "Fail to read the current marker segment (%#x)\n", l_current_marker);
9670 return OPJ_FALSE;
9671 }
9672
9673 /* Add the marker to the codestream index*/
9674 if (OPJ_FALSE == opj_j2k_add_tlmarker(tileno: p_j2k->m_current_tile_number,
9675 cstr_index: p_j2k->cstr_index,
9676 type: l_marker_handler->id,
9677 pos: (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
9678 len: l_marker_size + 4)) {
9679 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to add tl marker\n");
9680 return OPJ_FALSE;
9681 }
9682
9683 /* Keep the position of the last SOT marker read */
9684 if (l_marker_handler->id == J2K_MS_SOT) {
9685 OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4
9686 ;
9687 if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos) {
9688 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos;
9689 }
9690 }
9691
9692 if (p_j2k->m_specific_param.m_decoder.m_skip_data) {
9693 /* Skip the rest of the tile part header*/
9694 if (opj_stream_skip(p_stream, p_size: p_j2k->m_specific_param.m_decoder.m_sot_length,
9695 p_event_mgr: p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) {
9696 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short\n");
9697 return OPJ_FALSE;
9698 }
9699 l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */
9700 } else {
9701 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
9702 if (opj_stream_read_data(p_stream,
9703 p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data, p_size: 2, p_event_mgr: p_manager) != 2) {
9704 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short\n");
9705 return OPJ_FALSE;
9706 }
9707 /* Read 2 bytes from the buffer as the new marker ID */
9708 opj_read_bytes(p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data,
9709 p_value: &l_current_marker, p_nb_bytes: 2);
9710 }
9711 }
9712 if (opj_stream_get_number_byte_left(p_stream) == 0
9713 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
9714 break;
9715 }
9716
9717 /* If we didn't skip data before, we need to read the SOD marker*/
9718 if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
9719 /* Try to read the SOD marker and skip data ? FIXME */
9720 if (! opj_j2k_read_sod(p_j2k, p_stream, p_manager)) {
9721 return OPJ_FALSE;
9722 }
9723 if (p_j2k->m_specific_param.m_decoder.m_can_decode &&
9724 !p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked) {
9725 /* Issue 254 */
9726 OPJ_BOOL l_correction_needed;
9727
9728 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
9729 if (!opj_j2k_need_nb_tile_parts_correction(p_stream,
9730 tile_no: p_j2k->m_current_tile_number, p_correction_needed: &l_correction_needed, p_manager)) {
9731 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
9732 fmt: "opj_j2k_apply_nb_tile_parts_correction error\n");
9733 return OPJ_FALSE;
9734 }
9735 if (l_correction_needed) {
9736 OPJ_UINT32 l_tile_no;
9737
9738 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
9739 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction = 1;
9740 /* correct tiles */
9741 for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
9742 if (p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts != 0U) {
9743 p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts += 1;
9744 }
9745 }
9746 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
9747 fmt: "Non conformant codestream TPsot==TNsot.\n");
9748 }
9749 }
9750 } else {
9751 /* Indicate we will try to read a new tile-part header*/
9752 p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
9753 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
9754 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
9755 }
9756
9757 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
9758 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
9759 if (opj_stream_read_data(p_stream,
9760 p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data, p_size: 2, p_event_mgr: p_manager) != 2) {
9761
9762 /* Deal with likely non conformant SPOT6 files, where the last */
9763 /* row of tiles have TPsot == 0 and TNsot == 0, and missing EOC, */
9764 /* but no other tile-parts were found. */
9765 if (p_j2k->m_current_tile_number + 1 == l_nb_tiles) {
9766 OPJ_UINT32 l_tile_no;
9767 for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
9768 if (p_j2k->m_cp.tcps[l_tile_no].m_current_tile_part_number == 0 &&
9769 p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts == 0) {
9770 break;
9771 }
9772 }
9773 if (l_tile_no < l_nb_tiles) {
9774 opj_event_msg(event_mgr: p_manager, EVT_INFO,
9775 fmt: "Tile %u has TPsot == 0 and TNsot == 0, "
9776 "but no other tile-parts were found. "
9777 "EOC is also missing.\n",
9778 l_tile_no);
9779 p_j2k->m_current_tile_number = l_tile_no;
9780 l_current_marker = J2K_MS_EOC;
9781 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
9782 break;
9783 }
9784 }
9785
9786 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short\n");
9787 return OPJ_FALSE;
9788 }
9789
9790 /* Read 2 bytes from buffer as the new marker ID */
9791 opj_read_bytes(p_buffer: p_j2k->m_specific_param.m_decoder.m_header_data,
9792 p_value: &l_current_marker, p_nb_bytes: 2);
9793 }
9794 }
9795
9796 /* Current marker is the EOC marker ?*/
9797 if (l_current_marker == J2K_MS_EOC) {
9798 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
9799 p_j2k->m_current_tile_number = 0;
9800 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
9801 }
9802 }
9803
9804 /* Deal with tiles that have a single tile-part with TPsot == 0 and TNsot == 0 */
9805 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
9806 l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
9807
9808 while ((p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00)) {
9809 ++p_j2k->m_current_tile_number;
9810 ++l_tcp;
9811 }
9812
9813 if (p_j2k->m_current_tile_number == l_nb_tiles) {
9814 *p_go_on = OPJ_FALSE;
9815 return OPJ_TRUE;
9816 }
9817 }
9818
9819 if (! opj_j2k_merge_ppt(p_tcp: p_j2k->m_cp.tcps + p_j2k->m_current_tile_number,
9820 p_manager)) {
9821 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Failed to merge PPT data\n");
9822 return OPJ_FALSE;
9823 }
9824 /*FIXME ???*/
9825 if (! opj_tcd_init_decode_tile(p_tcd: p_j2k->m_tcd, p_tile_no: p_j2k->m_current_tile_number,
9826 p_manager)) {
9827 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Cannot decode tile, memory error\n");
9828 return OPJ_FALSE;
9829 }
9830
9831 opj_event_msg(event_mgr: p_manager, EVT_INFO, fmt: "Header of tile %d / %d has been read.\n",
9832 p_j2k->m_current_tile_number + 1, (p_j2k->m_cp.th * p_j2k->m_cp.tw));
9833
9834 *p_tile_index = p_j2k->m_current_tile_number;
9835 *p_go_on = OPJ_TRUE;
9836 if (p_data_size) {
9837 /* For internal use in j2k.c, we don't need this */
9838 /* This is just needed for folks using the opj_read_tile_header() / opj_decode_tile_data() combo */
9839 *p_data_size = opj_tcd_get_decoded_tile_size(p_tcd: p_j2k->m_tcd, OPJ_FALSE);
9840 if (*p_data_size == UINT_MAX) {
9841 return OPJ_FALSE;
9842 }
9843 }
9844 *p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
9845 *p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
9846 *p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
9847 *p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
9848 *p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
9849
9850 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
9851
9852 return OPJ_TRUE;
9853}
9854
9855OPJ_BOOL opj_j2k_decode_tile(opj_j2k_t * p_j2k,
9856 OPJ_UINT32 p_tile_index,
9857 OPJ_BYTE * p_data,
9858 OPJ_UINT32 p_data_size,
9859 opj_stream_private_t *p_stream,
9860 opj_event_mgr_t * p_manager)
9861{
9862 OPJ_UINT32 l_current_marker;
9863 OPJ_BYTE l_data [2];
9864 opj_tcp_t * l_tcp;
9865 opj_image_t* l_image_for_bounds;
9866
9867 /* preconditions */
9868 assert(p_stream != 00);
9869 assert(p_j2k != 00);
9870 assert(p_manager != 00);
9871
9872 if (!(p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_DATA)
9873 || (p_tile_index != p_j2k->m_current_tile_number)) {
9874 return OPJ_FALSE;
9875 }
9876
9877 l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
9878 if (! l_tcp->m_data) {
9879 opj_j2k_tcp_destroy(p_tcp: l_tcp);
9880 return OPJ_FALSE;
9881 }
9882
9883 /* When using the opj_read_tile_header / opj_decode_tile_data API */
9884 /* such as in test_tile_decoder, m_output_image is NULL, so fall back */
9885 /* to the full image dimension. This is a bit surprising that */
9886 /* opj_set_decode_area() is only used to determine intersecting tiles, */
9887 /* but full tile decoding is done */
9888 l_image_for_bounds = p_j2k->m_output_image ? p_j2k->m_output_image :
9889 p_j2k->m_private_image;
9890 if (! opj_tcd_decode_tile(tcd: p_j2k->m_tcd,
9891 win_x0: l_image_for_bounds->x0,
9892 win_y0: l_image_for_bounds->y0,
9893 win_x1: l_image_for_bounds->x1,
9894 win_y1: l_image_for_bounds->y1,
9895 numcomps_to_decode: p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode,
9896 comps_indices: p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
9897 src: l_tcp->m_data,
9898 len: l_tcp->m_data_size,
9899 tileno: p_tile_index,
9900 cstr_info: p_j2k->cstr_index, manager: p_manager)) {
9901 opj_j2k_tcp_destroy(p_tcp: l_tcp);
9902 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
9903 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Failed to decode.\n");
9904 return OPJ_FALSE;
9905 }
9906
9907 /* p_data can be set to NULL when the call will take care of using */
9908 /* itself the TCD data. This is typically the case for whole single */
9909 /* tile decoding optimization. */
9910 if (p_data != NULL) {
9911 if (! opj_tcd_update_tile_data(p_tcd: p_j2k->m_tcd, p_dest: p_data, p_dest_length: p_data_size)) {
9912 return OPJ_FALSE;
9913 }
9914
9915 /* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access)
9916 * we destroy just the data which will be re-read in read_tile_header*/
9917 /*opj_j2k_tcp_destroy(l_tcp);
9918 p_j2k->m_tcd->tcp = 0;*/
9919 opj_j2k_tcp_data_destroy(p_tcp: l_tcp);
9920 }
9921
9922 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
9923 p_j2k->m_specific_param.m_decoder.m_state &= (~(OPJ_UINT32)J2K_STATE_DATA);
9924
9925 if (opj_stream_get_number_byte_left(p_stream) == 0
9926 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
9927 return OPJ_TRUE;
9928 }
9929
9930 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
9931 if (opj_stream_read_data(p_stream, p_buffer: l_data, p_size: 2, p_event_mgr: p_manager) != 2) {
9932 opj_event_msg(event_mgr: p_manager, event_type: p_j2k->m_cp.strict ? EVT_ERROR : EVT_WARNING,
9933 fmt: "Stream too short\n");
9934 return p_j2k->m_cp.strict ? OPJ_FALSE : OPJ_TRUE;
9935 }
9936 opj_read_bytes(p_buffer: l_data, p_value: &l_current_marker, p_nb_bytes: 2);
9937
9938 if (l_current_marker == J2K_MS_EOC) {
9939 p_j2k->m_current_tile_number = 0;
9940 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
9941 } else if (l_current_marker != J2K_MS_SOT) {
9942 if (opj_stream_get_number_byte_left(p_stream) == 0) {
9943 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
9944 opj_event_msg(event_mgr: p_manager, EVT_WARNING, fmt: "Stream does not end with EOC\n");
9945 return OPJ_TRUE;
9946 }
9947 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Stream too short, expected SOT\n");
9948 return OPJ_FALSE;
9949 }
9950 }
9951
9952 return OPJ_TRUE;
9953}
9954
9955static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
9956 opj_image_t* p_output_image)
9957{
9958 OPJ_UINT32 i, j;
9959 OPJ_UINT32 l_width_src, l_height_src;
9960 OPJ_UINT32 l_width_dest, l_height_dest;
9961 OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src;
9962 OPJ_SIZE_T l_start_offset_src;
9963 OPJ_UINT32 l_start_x_dest, l_start_y_dest;
9964 OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest;
9965 OPJ_SIZE_T l_start_offset_dest;
9966
9967 opj_image_comp_t * l_img_comp_src = 00;
9968 opj_image_comp_t * l_img_comp_dest = 00;
9969
9970 opj_tcd_tilecomp_t * l_tilec = 00;
9971 opj_image_t * l_image_src = 00;
9972 OPJ_INT32 * l_dest_ptr;
9973
9974 l_tilec = p_tcd->tcd_image->tiles->comps;
9975 l_image_src = p_tcd->image;
9976 l_img_comp_src = l_image_src->comps;
9977
9978 l_img_comp_dest = p_output_image->comps;
9979
9980 for (i = 0; i < l_image_src->numcomps;
9981 i++, ++l_img_comp_dest, ++l_img_comp_src, ++l_tilec) {
9982 OPJ_INT32 res_x0, res_x1, res_y0, res_y1;
9983 OPJ_UINT32 src_data_stride;
9984 const OPJ_INT32* p_src_data;
9985
9986 /* Copy info from decoded comp image to output image */
9987 l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded;
9988
9989 if (p_tcd->whole_tile_decoding) {
9990 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
9991 l_img_comp_src->resno_decoded;
9992 res_x0 = l_res->x0;
9993 res_y0 = l_res->y0;
9994 res_x1 = l_res->x1;
9995 res_y1 = l_res->y1;
9996 src_data_stride = (OPJ_UINT32)(
9997 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x1 -
9998 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x0);
9999 p_src_data = l_tilec->data;
10000 } else {
10001 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
10002 l_img_comp_src->resno_decoded;
10003 res_x0 = (OPJ_INT32)l_res->win_x0;
10004 res_y0 = (OPJ_INT32)l_res->win_y0;
10005 res_x1 = (OPJ_INT32)l_res->win_x1;
10006 res_y1 = (OPJ_INT32)l_res->win_y1;
10007 src_data_stride = l_res->win_x1 - l_res->win_x0;
10008 p_src_data = l_tilec->data_win;
10009 }
10010
10011 if (p_src_data == NULL) {
10012 /* Happens for partial component decoding */
10013 continue;
10014 }
10015
10016 l_width_src = (OPJ_UINT32)(res_x1 - res_x0);
10017 l_height_src = (OPJ_UINT32)(res_y1 - res_y0);
10018
10019
10020 /* Current tile component size*/
10021 /*if (i == 0) {
10022 fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n",
10023 res_x0, res_x1, res_y0, res_y1);
10024 }*/
10025
10026
10027 /* Border of the current output component*/
10028 l_x0_dest = opj_uint_ceildivpow2(a: l_img_comp_dest->x0, b: l_img_comp_dest->factor);
10029 l_y0_dest = opj_uint_ceildivpow2(a: l_img_comp_dest->y0, b: l_img_comp_dest->factor);
10030 l_x1_dest = l_x0_dest +
10031 l_img_comp_dest->w; /* can't overflow given that image->x1 is uint32 */
10032 l_y1_dest = l_y0_dest + l_img_comp_dest->h;
10033
10034 /*if (i == 0) {
10035 fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n",
10036 l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor );
10037 }*/
10038
10039 /*-----*/
10040 /* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src)
10041 * of the input buffer (decoded tile component) which will be move
10042 * in the output buffer. Compute the area of the output buffer (l_start_x_dest,
10043 * l_start_y_dest, l_width_dest, l_height_dest) which will be modified
10044 * by this input area.
10045 * */
10046 assert(res_x0 >= 0);
10047 assert(res_x1 >= 0);
10048 if (l_x0_dest < (OPJ_UINT32)res_x0) {
10049 l_start_x_dest = (OPJ_UINT32)res_x0 - l_x0_dest;
10050 l_offset_x0_src = 0;
10051
10052 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
10053 l_width_dest = l_width_src;
10054 l_offset_x1_src = 0;
10055 } else {
10056 l_width_dest = l_x1_dest - (OPJ_UINT32)res_x0 ;
10057 l_offset_x1_src = (OPJ_INT32)(l_width_src - l_width_dest);
10058 }
10059 } else {
10060 l_start_x_dest = 0U;
10061 l_offset_x0_src = (OPJ_INT32)l_x0_dest - res_x0;
10062
10063 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
10064 l_width_dest = l_width_src - (OPJ_UINT32)l_offset_x0_src;
10065 l_offset_x1_src = 0;
10066 } else {
10067 l_width_dest = l_img_comp_dest->w ;
10068 l_offset_x1_src = res_x1 - (OPJ_INT32)l_x1_dest;
10069 }
10070 }
10071
10072 if (l_y0_dest < (OPJ_UINT32)res_y0) {
10073 l_start_y_dest = (OPJ_UINT32)res_y0 - l_y0_dest;
10074 l_offset_y0_src = 0;
10075
10076 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
10077 l_height_dest = l_height_src;
10078 l_offset_y1_src = 0;
10079 } else {
10080 l_height_dest = l_y1_dest - (OPJ_UINT32)res_y0 ;
10081 l_offset_y1_src = (OPJ_INT32)(l_height_src - l_height_dest);
10082 }
10083 } else {
10084 l_start_y_dest = 0U;
10085 l_offset_y0_src = (OPJ_INT32)l_y0_dest - res_y0;
10086
10087 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
10088 l_height_dest = l_height_src - (OPJ_UINT32)l_offset_y0_src;
10089 l_offset_y1_src = 0;
10090 } else {
10091 l_height_dest = l_img_comp_dest->h ;
10092 l_offset_y1_src = res_y1 - (OPJ_INT32)l_y1_dest;
10093 }
10094 }
10095
10096 if ((l_offset_x0_src < 0) || (l_offset_y0_src < 0) || (l_offset_x1_src < 0) ||
10097 (l_offset_y1_src < 0)) {
10098 return OPJ_FALSE;
10099 }
10100 /* testcase 2977.pdf.asan.67.2198 */
10101 if ((OPJ_INT32)l_width_dest < 0 || (OPJ_INT32)l_height_dest < 0) {
10102 return OPJ_FALSE;
10103 }
10104 /*-----*/
10105
10106 /* Compute the input buffer offset */
10107 l_start_offset_src = (OPJ_SIZE_T)l_offset_x0_src + (OPJ_SIZE_T)l_offset_y0_src
10108 * (OPJ_SIZE_T)src_data_stride;
10109
10110 /* Compute the output buffer offset */
10111 l_start_offset_dest = (OPJ_SIZE_T)l_start_x_dest + (OPJ_SIZE_T)l_start_y_dest
10112 * (OPJ_SIZE_T)l_img_comp_dest->w;
10113
10114 /* Allocate output component buffer if necessary */
10115 if (l_img_comp_dest->data == NULL &&
10116 l_start_offset_src == 0 && l_start_offset_dest == 0 &&
10117 src_data_stride == l_img_comp_dest->w &&
10118 l_width_dest == l_img_comp_dest->w &&
10119 l_height_dest == l_img_comp_dest->h) {
10120 /* If the final image matches the tile buffer, then borrow it */
10121 /* directly to save a copy */
10122 if (p_tcd->whole_tile_decoding) {
10123 l_img_comp_dest->data = l_tilec->data;
10124 l_tilec->data = NULL;
10125 } else {
10126 l_img_comp_dest->data = l_tilec->data_win;
10127 l_tilec->data_win = NULL;
10128 }
10129 continue;
10130 } else if (l_img_comp_dest->data == NULL) {
10131 OPJ_SIZE_T l_width = l_img_comp_dest->w;
10132 OPJ_SIZE_T l_height = l_img_comp_dest->h;
10133
10134 if ((l_height == 0U) || (l_width > (SIZE_MAX / l_height)) ||
10135 l_width * l_height > SIZE_MAX / sizeof(OPJ_INT32)) {
10136 /* would overflow */
10137 return OPJ_FALSE;
10138 }
10139 l_img_comp_dest->data = (OPJ_INT32*) opj_image_data_alloc(size: l_width * l_height *
10140 sizeof(OPJ_INT32));
10141 if (! l_img_comp_dest->data) {
10142 return OPJ_FALSE;
10143 }
10144
10145 if (l_img_comp_dest->w != l_width_dest ||
10146 l_img_comp_dest->h != l_height_dest) {
10147 memset(s: l_img_comp_dest->data, c: 0,
10148 n: (OPJ_SIZE_T)l_img_comp_dest->w * l_img_comp_dest->h * sizeof(OPJ_INT32));
10149 }
10150 }
10151
10152 /* Move the output buffer to the first place where we will write*/
10153 l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest;
10154
10155 {
10156 const OPJ_INT32 * l_src_ptr = p_src_data;
10157 l_src_ptr += l_start_offset_src;
10158
10159 for (j = 0; j < l_height_dest; ++j) {
10160 memcpy(dest: l_dest_ptr, src: l_src_ptr, n: l_width_dest * sizeof(OPJ_INT32));
10161 l_dest_ptr += l_img_comp_dest->w;
10162 l_src_ptr += src_data_stride;
10163 }
10164 }
10165
10166
10167 }
10168
10169 return OPJ_TRUE;
10170}
10171
10172static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
10173 opj_event_mgr_t * p_manager)
10174{
10175 OPJ_UINT32 it_comp;
10176 OPJ_INT32 l_comp_x1, l_comp_y1;
10177 opj_image_comp_t* l_img_comp = NULL;
10178
10179 l_img_comp = p_image->comps;
10180 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
10181 OPJ_INT32 l_h, l_w;
10182 if (p_image->x0 > (OPJ_UINT32)INT_MAX ||
10183 p_image->y0 > (OPJ_UINT32)INT_MAX ||
10184 p_image->x1 > (OPJ_UINT32)INT_MAX ||
10185 p_image->y1 > (OPJ_UINT32)INT_MAX) {
10186 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10187 fmt: "Image coordinates above INT_MAX are not supported\n");
10188 return OPJ_FALSE;
10189 }
10190
10191 l_img_comp->x0 = opj_uint_ceildiv(a: p_image->x0, b: l_img_comp->dx);
10192 l_img_comp->y0 = opj_uint_ceildiv(a: p_image->y0, b: l_img_comp->dy);
10193 l_comp_x1 = opj_int_ceildiv(a: (OPJ_INT32)p_image->x1, b: (OPJ_INT32)l_img_comp->dx);
10194 l_comp_y1 = opj_int_ceildiv(a: (OPJ_INT32)p_image->y1, b: (OPJ_INT32)l_img_comp->dy);
10195
10196 l_w = opj_int_ceildivpow2(a: l_comp_x1, b: (OPJ_INT32)l_img_comp->factor)
10197 - opj_int_ceildivpow2(a: (OPJ_INT32)l_img_comp->x0, b: (OPJ_INT32)l_img_comp->factor);
10198 if (l_w < 0) {
10199 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10200 fmt: "Size x of the decoded component image is incorrect (comp[%d].w=%d).\n",
10201 it_comp, l_w);
10202 return OPJ_FALSE;
10203 }
10204 l_img_comp->w = (OPJ_UINT32)l_w;
10205
10206 l_h = opj_int_ceildivpow2(a: l_comp_y1, b: (OPJ_INT32)l_img_comp->factor)
10207 - opj_int_ceildivpow2(a: (OPJ_INT32)l_img_comp->y0, b: (OPJ_INT32)l_img_comp->factor);
10208 if (l_h < 0) {
10209 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10210 fmt: "Size y of the decoded component image is incorrect (comp[%d].h=%d).\n",
10211 it_comp, l_h);
10212 return OPJ_FALSE;
10213 }
10214 l_img_comp->h = (OPJ_UINT32)l_h;
10215
10216 l_img_comp++;
10217 }
10218
10219 return OPJ_TRUE;
10220}
10221
10222OPJ_BOOL opj_j2k_set_decoded_components(opj_j2k_t *p_j2k,
10223 OPJ_UINT32 numcomps,
10224 const OPJ_UINT32* comps_indices,
10225 opj_event_mgr_t * p_manager)
10226{
10227 OPJ_UINT32 i;
10228 OPJ_BOOL* already_mapped;
10229
10230 if (p_j2k->m_private_image == NULL) {
10231 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10232 fmt: "opj_read_header() should be called before "
10233 "opj_set_decoded_components().\n");
10234 return OPJ_FALSE;
10235 }
10236
10237 already_mapped = (OPJ_BOOL*) opj_calloc(numOfElements: sizeof(OPJ_BOOL),
10238 sizeOfElements: p_j2k->m_private_image->numcomps);
10239 if (already_mapped == NULL) {
10240 return OPJ_FALSE;
10241 }
10242
10243 for (i = 0; i < numcomps; i++) {
10244 if (comps_indices[i] >= p_j2k->m_private_image->numcomps) {
10245 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10246 fmt: "Invalid component index: %u\n",
10247 comps_indices[i]);
10248 opj_free(m: already_mapped);
10249 return OPJ_FALSE;
10250 }
10251 if (already_mapped[comps_indices[i]]) {
10252 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10253 fmt: "Component index %u used several times\n",
10254 comps_indices[i]);
10255 opj_free(m: already_mapped);
10256 return OPJ_FALSE;
10257 }
10258 already_mapped[comps_indices[i]] = OPJ_TRUE;
10259 }
10260 opj_free(m: already_mapped);
10261
10262 opj_free(m: p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
10263 if (numcomps) {
10264 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode =
10265 (OPJ_UINT32*) opj_malloc(size: numcomps * sizeof(OPJ_UINT32));
10266 if (p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode == NULL) {
10267 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
10268 return OPJ_FALSE;
10269 }
10270 memcpy(dest: p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
10271 src: comps_indices,
10272 n: numcomps * sizeof(OPJ_UINT32));
10273 } else {
10274 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = NULL;
10275 }
10276 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = numcomps;
10277
10278 return OPJ_TRUE;
10279}
10280
10281
10282OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k,
10283 opj_image_t* p_image,
10284 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
10285 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
10286 opj_event_mgr_t * p_manager)
10287{
10288 opj_cp_t * l_cp = &(p_j2k->m_cp);
10289 opj_image_t * l_image = p_j2k->m_private_image;
10290 OPJ_BOOL ret;
10291 OPJ_UINT32 it_comp;
10292
10293 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10294 p_j2k->m_cp.tcps[0].m_data != NULL) {
10295 /* In the case of a single-tiled image whose codestream we have already */
10296 /* ingested, go on */
10297 }
10298 /* Check if we are read the main header */
10299 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
10300 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10301 fmt: "Need to decode the main header before begin to decode the remaining codestream.\n");
10302 return OPJ_FALSE;
10303 }
10304
10305 /* Update the comps[].factor member of the output image with the one */
10306 /* of m_reduce */
10307 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
10308 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
10309 }
10310
10311 if (!p_start_x && !p_start_y && !p_end_x && !p_end_y) {
10312 opj_event_msg(event_mgr: p_manager, EVT_INFO,
10313 fmt: "No decoded area parameters, set the decoded area to the whole image\n");
10314
10315 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
10316 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
10317 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
10318 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
10319
10320 p_image->x0 = l_image->x0;
10321 p_image->y0 = l_image->y0;
10322 p_image->x1 = l_image->x1;
10323 p_image->y1 = l_image->y1;
10324
10325 return opj_j2k_update_image_dimensions(p_image, p_manager);
10326 }
10327
10328 /* ----- */
10329 /* Check if the positions provided by the user are correct */
10330
10331 /* Left */
10332 if (p_start_x < 0) {
10333 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10334 fmt: "Left position of the decoded area (region_x0=%d) should be >= 0.\n",
10335 p_start_x);
10336 return OPJ_FALSE;
10337 } else if ((OPJ_UINT32)p_start_x > l_image->x1) {
10338 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10339 fmt: "Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n",
10340 p_start_x, l_image->x1);
10341 return OPJ_FALSE;
10342 } else if ((OPJ_UINT32)p_start_x < l_image->x0) {
10343 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
10344 fmt: "Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n",
10345 p_start_x, l_image->x0);
10346 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
10347 p_image->x0 = l_image->x0;
10348 } else {
10349 p_j2k->m_specific_param.m_decoder.m_start_tile_x = ((OPJ_UINT32)p_start_x -
10350 l_cp->tx0) / l_cp->tdx;
10351 p_image->x0 = (OPJ_UINT32)p_start_x;
10352 }
10353
10354 /* Up */
10355 if (p_start_y < 0) {
10356 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10357 fmt: "Up position of the decoded area (region_y0=%d) should be >= 0.\n",
10358 p_start_y);
10359 return OPJ_FALSE;
10360 } else if ((OPJ_UINT32)p_start_y > l_image->y1) {
10361 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10362 fmt: "Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n",
10363 p_start_y, l_image->y1);
10364 return OPJ_FALSE;
10365 } else if ((OPJ_UINT32)p_start_y < l_image->y0) {
10366 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
10367 fmt: "Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n",
10368 p_start_y, l_image->y0);
10369 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
10370 p_image->y0 = l_image->y0;
10371 } else {
10372 p_j2k->m_specific_param.m_decoder.m_start_tile_y = ((OPJ_UINT32)p_start_y -
10373 l_cp->ty0) / l_cp->tdy;
10374 p_image->y0 = (OPJ_UINT32)p_start_y;
10375 }
10376
10377 /* Right */
10378 if (p_end_x <= 0) {
10379 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10380 fmt: "Right position of the decoded area (region_x1=%d) should be > 0.\n",
10381 p_end_x);
10382 return OPJ_FALSE;
10383 } else if ((OPJ_UINT32)p_end_x < l_image->x0) {
10384 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10385 fmt: "Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n",
10386 p_end_x, l_image->x0);
10387 return OPJ_FALSE;
10388 } else if ((OPJ_UINT32)p_end_x > l_image->x1) {
10389 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
10390 fmt: "Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n",
10391 p_end_x, l_image->x1);
10392 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
10393 p_image->x1 = l_image->x1;
10394 } else {
10395 p_j2k->m_specific_param.m_decoder.m_end_tile_x = opj_uint_ceildiv(a: (
10396 OPJ_UINT32)p_end_x - l_cp->tx0, b: l_cp->tdx);
10397 p_image->x1 = (OPJ_UINT32)p_end_x;
10398 }
10399
10400 /* Bottom */
10401 if (p_end_y <= 0) {
10402 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10403 fmt: "Bottom position of the decoded area (region_y1=%d) should be > 0.\n",
10404 p_end_y);
10405 return OPJ_FALSE;
10406 } else if ((OPJ_UINT32)p_end_y < l_image->y0) {
10407 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10408 fmt: "Bottom position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n",
10409 p_end_y, l_image->y0);
10410 return OPJ_FALSE;
10411 }
10412 if ((OPJ_UINT32)p_end_y > l_image->y1) {
10413 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
10414 fmt: "Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n",
10415 p_end_y, l_image->y1);
10416 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
10417 p_image->y1 = l_image->y1;
10418 } else {
10419 p_j2k->m_specific_param.m_decoder.m_end_tile_y = opj_uint_ceildiv(a: (
10420 OPJ_UINT32)p_end_y - l_cp->ty0, b: l_cp->tdy);
10421 p_image->y1 = (OPJ_UINT32)p_end_y;
10422 }
10423 /* ----- */
10424
10425 p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1;
10426
10427 ret = opj_j2k_update_image_dimensions(p_image, p_manager);
10428
10429 if (ret) {
10430 opj_event_msg(event_mgr: p_manager, EVT_INFO, fmt: "Setting decoding area to %d,%d,%d,%d\n",
10431 p_image->x0, p_image->y0, p_image->x1, p_image->y1);
10432 }
10433
10434 return ret;
10435}
10436
10437opj_j2k_t* opj_j2k_create_decompress(void)
10438{
10439 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(numOfElements: 1, sizeOfElements: sizeof(opj_j2k_t));
10440 if (!l_j2k) {
10441 return 00;
10442 }
10443
10444 l_j2k->m_is_decoder = 1;
10445 l_j2k->m_cp.m_is_decoder = 1;
10446 /* in the absence of JP2 boxes, consider different bit depth / sign */
10447 /* per component is allowed */
10448 l_j2k->m_cp.allow_different_bit_depth_sign = 1;
10449
10450 /* Default to using strict mode. */
10451 l_j2k->m_cp.strict = OPJ_TRUE;
10452
10453#ifdef OPJ_DISABLE_TPSOT_FIX
10454 l_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
10455#endif
10456
10457 l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_t*) opj_calloc(numOfElements: 1,
10458 sizeOfElements: sizeof(opj_tcp_t));
10459 if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
10460 opj_j2k_destroy(p_j2k: l_j2k);
10461 return 00;
10462 }
10463
10464 l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_calloc(numOfElements: 1,
10465 OPJ_J2K_DEFAULT_HEADER_SIZE);
10466 if (! l_j2k->m_specific_param.m_decoder.m_header_data) {
10467 opj_j2k_destroy(p_j2k: l_j2k);
10468 return 00;
10469 }
10470
10471 l_j2k->m_specific_param.m_decoder.m_header_data_size =
10472 OPJ_J2K_DEFAULT_HEADER_SIZE;
10473
10474 l_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = -1 ;
10475
10476 l_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = 0 ;
10477
10478 /* codestream index creation */
10479 l_j2k->cstr_index = opj_j2k_create_cstr_index();
10480 if (!l_j2k->cstr_index) {
10481 opj_j2k_destroy(p_j2k: l_j2k);
10482 return 00;
10483 }
10484
10485 /* validation list creation */
10486 l_j2k->m_validation_list = opj_procedure_list_create();
10487 if (! l_j2k->m_validation_list) {
10488 opj_j2k_destroy(p_j2k: l_j2k);
10489 return 00;
10490 }
10491
10492 /* execution list creation */
10493 l_j2k->m_procedure_list = opj_procedure_list_create();
10494 if (! l_j2k->m_procedure_list) {
10495 opj_j2k_destroy(p_j2k: l_j2k);
10496 return 00;
10497 }
10498
10499 l_j2k->m_tp = opj_thread_pool_create(num_threads: opj_j2k_get_default_thread_count());
10500 if (!l_j2k->m_tp) {
10501 l_j2k->m_tp = opj_thread_pool_create(num_threads: 0);
10502 }
10503 if (!l_j2k->m_tp) {
10504 opj_j2k_destroy(p_j2k: l_j2k);
10505 return NULL;
10506 }
10507
10508 return l_j2k;
10509}
10510
10511static opj_codestream_index_t* opj_j2k_create_cstr_index(void)
10512{
10513 opj_codestream_index_t* cstr_index = (opj_codestream_index_t*)
10514 opj_calloc(numOfElements: 1, sizeOfElements: sizeof(opj_codestream_index_t));
10515 if (!cstr_index) {
10516 return NULL;
10517 }
10518
10519 cstr_index->maxmarknum = 100;
10520 cstr_index->marknum = 0;
10521 cstr_index->marker = (opj_marker_info_t*)
10522 opj_calloc(numOfElements: cstr_index->maxmarknum, sizeOfElements: sizeof(opj_marker_info_t));
10523 if (!cstr_index-> marker) {
10524 opj_free(m: cstr_index);
10525 return NULL;
10526 }
10527
10528 cstr_index->tile_index = NULL;
10529
10530 return cstr_index;
10531}
10532
10533static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
10534 OPJ_UINT32 p_tile_no,
10535 OPJ_UINT32 p_comp_no)
10536{
10537 opj_cp_t *l_cp = 00;
10538 opj_tcp_t *l_tcp = 00;
10539 opj_tccp_t *l_tccp = 00;
10540
10541 /* preconditions */
10542 assert(p_j2k != 00);
10543
10544 l_cp = &(p_j2k->m_cp);
10545 l_tcp = &l_cp->tcps[p_tile_no];
10546 l_tccp = &l_tcp->tccps[p_comp_no];
10547
10548 /* preconditions again */
10549 assert(p_tile_no < (l_cp->tw * l_cp->th));
10550 assert(p_comp_no < p_j2k->m_private_image->numcomps);
10551
10552 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
10553 return 5 + l_tccp->numresolutions;
10554 } else {
10555 return 5;
10556 }
10557}
10558
10559static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
10560 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
10561{
10562 OPJ_UINT32 i;
10563 opj_cp_t *l_cp = NULL;
10564 opj_tcp_t *l_tcp = NULL;
10565 opj_tccp_t *l_tccp0 = NULL;
10566 opj_tccp_t *l_tccp1 = NULL;
10567
10568 /* preconditions */
10569 assert(p_j2k != 00);
10570
10571 l_cp = &(p_j2k->m_cp);
10572 l_tcp = &l_cp->tcps[p_tile_no];
10573 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
10574 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
10575
10576 if (l_tccp0->numresolutions != l_tccp1->numresolutions) {
10577 return OPJ_FALSE;
10578 }
10579 if (l_tccp0->cblkw != l_tccp1->cblkw) {
10580 return OPJ_FALSE;
10581 }
10582 if (l_tccp0->cblkh != l_tccp1->cblkh) {
10583 return OPJ_FALSE;
10584 }
10585 if (l_tccp0->cblksty != l_tccp1->cblksty) {
10586 return OPJ_FALSE;
10587 }
10588 if (l_tccp0->qmfbid != l_tccp1->qmfbid) {
10589 return OPJ_FALSE;
10590 }
10591 if ((l_tccp0->csty & J2K_CCP_CSTY_PRT) != (l_tccp1->csty & J2K_CCP_CSTY_PRT)) {
10592 return OPJ_FALSE;
10593 }
10594
10595 for (i = 0U; i < l_tccp0->numresolutions; ++i) {
10596 if (l_tccp0->prcw[i] != l_tccp1->prcw[i]) {
10597 return OPJ_FALSE;
10598 }
10599 if (l_tccp0->prch[i] != l_tccp1->prch[i]) {
10600 return OPJ_FALSE;
10601 }
10602 }
10603 return OPJ_TRUE;
10604}
10605
10606static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
10607 OPJ_UINT32 p_tile_no,
10608 OPJ_UINT32 p_comp_no,
10609 OPJ_BYTE * p_data,
10610 OPJ_UINT32 * p_header_size,
10611 struct opj_event_mgr * p_manager)
10612{
10613 OPJ_UINT32 i;
10614 opj_cp_t *l_cp = 00;
10615 opj_tcp_t *l_tcp = 00;
10616 opj_tccp_t *l_tccp = 00;
10617
10618 /* preconditions */
10619 assert(p_j2k != 00);
10620 assert(p_header_size != 00);
10621 assert(p_manager != 00);
10622 assert(p_data != 00);
10623
10624 l_cp = &(p_j2k->m_cp);
10625 l_tcp = &l_cp->tcps[p_tile_no];
10626 l_tccp = &l_tcp->tccps[p_comp_no];
10627
10628 /* preconditions again */
10629 assert(p_tile_no < (l_cp->tw * l_cp->th));
10630 assert(p_comp_no < (p_j2k->m_private_image->numcomps));
10631
10632 if (*p_header_size < 5) {
10633 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error writing SPCod SPCoc element\n");
10634 return OPJ_FALSE;
10635 }
10636
10637 opj_write_bytes(p_buffer: p_data, p_value: l_tccp->numresolutions - 1, p_nb_bytes: 1); /* SPcoc (D) */
10638 ++p_data;
10639
10640 opj_write_bytes(p_buffer: p_data, p_value: l_tccp->cblkw - 2, p_nb_bytes: 1); /* SPcoc (E) */
10641 ++p_data;
10642
10643 opj_write_bytes(p_buffer: p_data, p_value: l_tccp->cblkh - 2, p_nb_bytes: 1); /* SPcoc (F) */
10644 ++p_data;
10645
10646 opj_write_bytes(p_buffer: p_data, p_value: l_tccp->cblksty,
10647 p_nb_bytes: 1); /* SPcoc (G) */
10648 ++p_data;
10649
10650 opj_write_bytes(p_buffer: p_data, p_value: l_tccp->qmfbid,
10651 p_nb_bytes: 1); /* SPcoc (H) */
10652 ++p_data;
10653
10654 *p_header_size = *p_header_size - 5;
10655
10656 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
10657
10658 if (*p_header_size < l_tccp->numresolutions) {
10659 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error writing SPCod SPCoc element\n");
10660 return OPJ_FALSE;
10661 }
10662
10663 for (i = 0; i < l_tccp->numresolutions; ++i) {
10664 opj_write_bytes(p_buffer: p_data, p_value: l_tccp->prcw[i] + (l_tccp->prch[i] << 4),
10665 p_nb_bytes: 1); /* SPcoc (I_i) */
10666 ++p_data;
10667 }
10668
10669 *p_header_size = *p_header_size - l_tccp->numresolutions;
10670 }
10671
10672 return OPJ_TRUE;
10673}
10674
10675static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
10676 OPJ_UINT32 compno,
10677 OPJ_BYTE * p_header_data,
10678 OPJ_UINT32 * p_header_size,
10679 opj_event_mgr_t * p_manager)
10680{
10681 OPJ_UINT32 i, l_tmp;
10682 opj_cp_t *l_cp = NULL;
10683 opj_tcp_t *l_tcp = NULL;
10684 opj_tccp_t *l_tccp = NULL;
10685 OPJ_BYTE * l_current_ptr = NULL;
10686
10687 /* preconditions */
10688 assert(p_j2k != 00);
10689 assert(p_manager != 00);
10690 assert(p_header_data != 00);
10691
10692 l_cp = &(p_j2k->m_cp);
10693 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
10694 &l_cp->tcps[p_j2k->m_current_tile_number] :
10695 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10696
10697 /* precondition again */
10698 assert(compno < p_j2k->m_private_image->numcomps);
10699
10700 l_tccp = &l_tcp->tccps[compno];
10701 l_current_ptr = p_header_data;
10702
10703 /* make sure room is sufficient */
10704 if (*p_header_size < 5) {
10705 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading SPCod SPCoc element\n");
10706 return OPJ_FALSE;
10707 }
10708
10709 /* SPcod (D) / SPcoc (A) */
10710 opj_read_bytes(p_buffer: l_current_ptr, p_value: &l_tccp->numresolutions, p_nb_bytes: 1);
10711 ++l_tccp->numresolutions; /* tccp->numresolutions = read() + 1 */
10712 if (l_tccp->numresolutions > OPJ_J2K_MAXRLVLS) {
10713 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10714 fmt: "Invalid value for numresolutions : %d, max value is set in openjpeg.h at %d\n",
10715 l_tccp->numresolutions, OPJ_J2K_MAXRLVLS);
10716 return OPJ_FALSE;
10717 }
10718 ++l_current_ptr;
10719
10720 /* If user wants to remove more resolutions than the codestream contains, return error */
10721 if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) {
10722 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10723 fmt: "Error decoding component %d.\nThe number of resolutions "
10724 "to remove (%d) is greater or equal than the number "
10725 "of resolutions of this component (%d)\nModify the cp_reduce parameter.\n\n",
10726 compno, l_cp->m_specific_param.m_dec.m_reduce, l_tccp->numresolutions);
10727 p_j2k->m_specific_param.m_decoder.m_state |=
10728 0x8000;/* FIXME J2K_DEC_STATE_ERR;*/
10729 return OPJ_FALSE;
10730 }
10731
10732 /* SPcod (E) / SPcoc (B) */
10733 opj_read_bytes(p_buffer: l_current_ptr, p_value: &l_tccp->cblkw, p_nb_bytes: 1);
10734 ++l_current_ptr;
10735 l_tccp->cblkw += 2;
10736
10737 /* SPcod (F) / SPcoc (C) */
10738 opj_read_bytes(p_buffer: l_current_ptr, p_value: &l_tccp->cblkh, p_nb_bytes: 1);
10739 ++l_current_ptr;
10740 l_tccp->cblkh += 2;
10741
10742 if ((l_tccp->cblkw > 10) || (l_tccp->cblkh > 10) ||
10743 ((l_tccp->cblkw + l_tccp->cblkh) > 12)) {
10744 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10745 fmt: "Error reading SPCod SPCoc element, Invalid cblkw/cblkh combination\n");
10746 return OPJ_FALSE;
10747 }
10748
10749 /* SPcod (G) / SPcoc (D) */
10750 opj_read_bytes(p_buffer: l_current_ptr, p_value: &l_tccp->cblksty, p_nb_bytes: 1);
10751 ++l_current_ptr;
10752 if ((l_tccp->cblksty & J2K_CCP_CBLKSTY_HTMIXED) != 0) {
10753 /* We do not support HT mixed mode yet. For conformance, it should be supported.*/
10754 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10755 fmt: "Error reading SPCod SPCoc element. Unsupported Mixed HT code-block style found\n");
10756 return OPJ_FALSE;
10757 }
10758
10759 /* SPcod (H) / SPcoc (E) */
10760 opj_read_bytes(p_buffer: l_current_ptr, p_value: &l_tccp->qmfbid, p_nb_bytes: 1);
10761 ++l_current_ptr;
10762
10763 if (l_tccp->qmfbid > 1) {
10764 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
10765 fmt: "Error reading SPCod SPCoc element, Invalid transformation found\n");
10766 return OPJ_FALSE;
10767 }
10768
10769 *p_header_size = *p_header_size - 5;
10770
10771 /* use custom precinct size ? */
10772 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
10773 if (*p_header_size < l_tccp->numresolutions) {
10774 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading SPCod SPCoc element\n");
10775 return OPJ_FALSE;
10776 }
10777
10778 /* SPcod (I_i) / SPcoc (F_i) */
10779 for (i = 0; i < l_tccp->numresolutions; ++i) {
10780 opj_read_bytes(p_buffer: l_current_ptr, p_value: &l_tmp, p_nb_bytes: 1);
10781 ++l_current_ptr;
10782 /* Precinct exponent 0 is only allowed for lowest resolution level (Table A.21) */
10783 if ((i != 0) && (((l_tmp & 0xf) == 0) || ((l_tmp >> 4) == 0))) {
10784 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Invalid precinct size\n");
10785 return OPJ_FALSE;
10786 }
10787 l_tccp->prcw[i] = l_tmp & 0xf;
10788 l_tccp->prch[i] = l_tmp >> 4;
10789 }
10790
10791 *p_header_size = *p_header_size - l_tccp->numresolutions;
10792 } else {
10793 /* set default size for the precinct width and height */
10794 for (i = 0; i < l_tccp->numresolutions; ++i) {
10795 l_tccp->prcw[i] = 15;
10796 l_tccp->prch[i] = 15;
10797 }
10798 }
10799
10800#ifdef WIP_REMOVE_MSD
10801 /* INDEX >> */
10802 if (p_j2k->cstr_info && compno == 0) {
10803 OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32);
10804
10805 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkh =
10806 l_tccp->cblkh;
10807 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkw =
10808 l_tccp->cblkw;
10809 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].numresolutions
10810 = l_tccp->numresolutions;
10811 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblksty =
10812 l_tccp->cblksty;
10813 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].qmfbid =
10814 l_tccp->qmfbid;
10815
10816 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx, l_tccp->prcw,
10817 l_data_size);
10818 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy, l_tccp->prch,
10819 l_data_size);
10820 }
10821 /* << INDEX */
10822#endif
10823
10824 return OPJ_TRUE;
10825}
10826
10827static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k)
10828{
10829 /* loop */
10830 OPJ_UINT32 i;
10831 opj_cp_t *l_cp = NULL;
10832 opj_tcp_t *l_tcp = NULL;
10833 opj_tccp_t *l_ref_tccp = NULL, *l_copied_tccp = NULL;
10834 OPJ_UINT32 l_prc_size;
10835
10836 /* preconditions */
10837 assert(p_j2k != 00);
10838
10839 l_cp = &(p_j2k->m_cp);
10840 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
10841 ?
10842 &l_cp->tcps[p_j2k->m_current_tile_number] :
10843 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10844
10845 l_ref_tccp = &l_tcp->tccps[0];
10846 l_copied_tccp = l_ref_tccp + 1;
10847 l_prc_size = l_ref_tccp->numresolutions * (OPJ_UINT32)sizeof(OPJ_UINT32);
10848
10849 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
10850 l_copied_tccp->numresolutions = l_ref_tccp->numresolutions;
10851 l_copied_tccp->cblkw = l_ref_tccp->cblkw;
10852 l_copied_tccp->cblkh = l_ref_tccp->cblkh;
10853 l_copied_tccp->cblksty = l_ref_tccp->cblksty;
10854 l_copied_tccp->qmfbid = l_ref_tccp->qmfbid;
10855 memcpy(dest: l_copied_tccp->prcw, src: l_ref_tccp->prcw, n: l_prc_size);
10856 memcpy(dest: l_copied_tccp->prch, src: l_ref_tccp->prch, n: l_prc_size);
10857 ++l_copied_tccp;
10858 }
10859}
10860
10861static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
10862 OPJ_UINT32 p_tile_no,
10863 OPJ_UINT32 p_comp_no)
10864{
10865 OPJ_UINT32 l_num_bands;
10866
10867 opj_cp_t *l_cp = 00;
10868 opj_tcp_t *l_tcp = 00;
10869 opj_tccp_t *l_tccp = 00;
10870
10871 /* preconditions */
10872 assert(p_j2k != 00);
10873
10874 l_cp = &(p_j2k->m_cp);
10875 l_tcp = &l_cp->tcps[p_tile_no];
10876 l_tccp = &l_tcp->tccps[p_comp_no];
10877
10878 /* preconditions again */
10879 assert(p_tile_no < l_cp->tw * l_cp->th);
10880 assert(p_comp_no < p_j2k->m_private_image->numcomps);
10881
10882 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10883 (l_tccp->numresolutions * 3 - 2);
10884
10885 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
10886 return 1 + l_num_bands;
10887 } else {
10888 return 1 + 2 * l_num_bands;
10889 }
10890}
10891
10892static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
10893 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
10894{
10895 opj_cp_t *l_cp = NULL;
10896 opj_tcp_t *l_tcp = NULL;
10897 opj_tccp_t *l_tccp0 = NULL;
10898 opj_tccp_t *l_tccp1 = NULL;
10899 OPJ_UINT32 l_band_no, l_num_bands;
10900
10901 /* preconditions */
10902 assert(p_j2k != 00);
10903
10904 l_cp = &(p_j2k->m_cp);
10905 l_tcp = &l_cp->tcps[p_tile_no];
10906 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
10907 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
10908
10909 if (l_tccp0->qntsty != l_tccp1->qntsty) {
10910 return OPJ_FALSE;
10911 }
10912 if (l_tccp0->numgbits != l_tccp1->numgbits) {
10913 return OPJ_FALSE;
10914 }
10915 if (l_tccp0->qntsty == J2K_CCP_QNTSTY_SIQNT) {
10916 l_num_bands = 1U;
10917 } else {
10918 l_num_bands = l_tccp0->numresolutions * 3U - 2U;
10919 if (l_num_bands != (l_tccp1->numresolutions * 3U - 2U)) {
10920 return OPJ_FALSE;
10921 }
10922 }
10923
10924 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10925 if (l_tccp0->stepsizes[l_band_no].expn != l_tccp1->stepsizes[l_band_no].expn) {
10926 return OPJ_FALSE;
10927 }
10928 }
10929 if (l_tccp0->qntsty != J2K_CCP_QNTSTY_NOQNT) {
10930 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10931 if (l_tccp0->stepsizes[l_band_no].mant != l_tccp1->stepsizes[l_band_no].mant) {
10932 return OPJ_FALSE;
10933 }
10934 }
10935 }
10936 return OPJ_TRUE;
10937}
10938
10939
10940static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
10941 OPJ_UINT32 p_tile_no,
10942 OPJ_UINT32 p_comp_no,
10943 OPJ_BYTE * p_data,
10944 OPJ_UINT32 * p_header_size,
10945 struct opj_event_mgr * p_manager)
10946{
10947 OPJ_UINT32 l_header_size;
10948 OPJ_UINT32 l_band_no, l_num_bands;
10949 OPJ_UINT32 l_expn, l_mant;
10950
10951 opj_cp_t *l_cp = 00;
10952 opj_tcp_t *l_tcp = 00;
10953 opj_tccp_t *l_tccp = 00;
10954
10955 /* preconditions */
10956 assert(p_j2k != 00);
10957 assert(p_header_size != 00);
10958 assert(p_manager != 00);
10959 assert(p_data != 00);
10960
10961 l_cp = &(p_j2k->m_cp);
10962 l_tcp = &l_cp->tcps[p_tile_no];
10963 l_tccp = &l_tcp->tccps[p_comp_no];
10964
10965 /* preconditions again */
10966 assert(p_tile_no < l_cp->tw * l_cp->th);
10967 assert(p_comp_no < p_j2k->m_private_image->numcomps);
10968
10969 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10970 (l_tccp->numresolutions * 3 - 2);
10971
10972 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
10973 l_header_size = 1 + l_num_bands;
10974
10975 if (*p_header_size < l_header_size) {
10976 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error writing SQcd SQcc element\n");
10977 return OPJ_FALSE;
10978 }
10979
10980 opj_write_bytes(p_buffer: p_data, p_value: l_tccp->qntsty + (l_tccp->numgbits << 5),
10981 p_nb_bytes: 1); /* Sqcx */
10982 ++p_data;
10983
10984 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10985 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
10986 opj_write_bytes(p_buffer: p_data, p_value: l_expn << 3, p_nb_bytes: 1); /* SPqcx_i */
10987 ++p_data;
10988 }
10989 } else {
10990 l_header_size = 1 + 2 * l_num_bands;
10991
10992 if (*p_header_size < l_header_size) {
10993 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error writing SQcd SQcc element\n");
10994 return OPJ_FALSE;
10995 }
10996
10997 opj_write_bytes(p_buffer: p_data, p_value: l_tccp->qntsty + (l_tccp->numgbits << 5),
10998 p_nb_bytes: 1); /* Sqcx */
10999 ++p_data;
11000
11001 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
11002 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
11003 l_mant = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].mant;
11004
11005 opj_write_bytes(p_buffer: p_data, p_value: (l_expn << 11) + l_mant, p_nb_bytes: 2); /* SPqcx_i */
11006 p_data += 2;
11007 }
11008 }
11009
11010 *p_header_size = *p_header_size - l_header_size;
11011
11012 return OPJ_TRUE;
11013}
11014
11015static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
11016 OPJ_UINT32 p_comp_no,
11017 OPJ_BYTE* p_header_data,
11018 OPJ_UINT32 * p_header_size,
11019 opj_event_mgr_t * p_manager
11020 )
11021{
11022 /* loop*/
11023 OPJ_UINT32 l_band_no;
11024 opj_cp_t *l_cp = 00;
11025 opj_tcp_t *l_tcp = 00;
11026 opj_tccp_t *l_tccp = 00;
11027 OPJ_BYTE * l_current_ptr = 00;
11028 OPJ_UINT32 l_tmp, l_num_band;
11029
11030 /* preconditions*/
11031 assert(p_j2k != 00);
11032 assert(p_manager != 00);
11033 assert(p_header_data != 00);
11034
11035 l_cp = &(p_j2k->m_cp);
11036 /* come from tile part header or main header ?*/
11037 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
11038 ?
11039 &l_cp->tcps[p_j2k->m_current_tile_number] :
11040 p_j2k->m_specific_param.m_decoder.m_default_tcp;
11041
11042 /* precondition again*/
11043 assert(p_comp_no < p_j2k->m_private_image->numcomps);
11044
11045 l_tccp = &l_tcp->tccps[p_comp_no];
11046 l_current_ptr = p_header_data;
11047
11048 if (*p_header_size < 1) {
11049 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error reading SQcd or SQcc element\n");
11050 return OPJ_FALSE;
11051 }
11052 *p_header_size -= 1;
11053
11054 opj_read_bytes(p_buffer: l_current_ptr, p_value: &l_tmp, p_nb_bytes: 1); /* Sqcx */
11055 ++l_current_ptr;
11056
11057 l_tccp->qntsty = l_tmp & 0x1f;
11058 l_tccp->numgbits = l_tmp >> 5;
11059 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
11060 l_num_band = 1;
11061 } else {
11062 l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ?
11063 (*p_header_size) :
11064 (*p_header_size) / 2;
11065
11066 if (l_num_band > OPJ_J2K_MAXBANDS) {
11067 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
11068 fmt: "While reading CCP_QNTSTY element inside QCD or QCC marker segment, "
11069 "number of subbands (%d) is greater to OPJ_J2K_MAXBANDS (%d). So we limit the number of elements stored to "
11070 "OPJ_J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, OPJ_J2K_MAXBANDS,
11071 OPJ_J2K_MAXBANDS);
11072 /*return OPJ_FALSE;*/
11073 }
11074 }
11075
11076#ifdef USE_JPWL
11077 if (l_cp->correct) {
11078
11079 /* if JPWL is on, we check whether there are too many subbands */
11080 if (/*(l_num_band < 0) ||*/ (l_num_band >= OPJ_J2K_MAXBANDS)) {
11081 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
11082 "JPWL: bad number of subbands in Sqcx (%d)\n",
11083 l_num_band);
11084 if (!JPWL_ASSUME) {
11085 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
11086 return OPJ_FALSE;
11087 }
11088 /* we try to correct */
11089 l_num_band = 1;
11090 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n"
11091 "- setting number of bands to %d => HYPOTHESIS!!!\n",
11092 l_num_band);
11093 };
11094
11095 };
11096#endif /* USE_JPWL */
11097
11098 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
11099 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
11100 opj_read_bytes(p_buffer: l_current_ptr, p_value: &l_tmp, p_nb_bytes: 1); /* SPqcx_i */
11101 ++l_current_ptr;
11102 if (l_band_no < OPJ_J2K_MAXBANDS) {
11103 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 3);
11104 l_tccp->stepsizes[l_band_no].mant = 0;
11105 }
11106 }
11107
11108 if (*p_header_size < l_num_band) {
11109 return OPJ_FALSE;
11110 }
11111 *p_header_size = *p_header_size - l_num_band;
11112 } else {
11113 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
11114 opj_read_bytes(p_buffer: l_current_ptr, p_value: &l_tmp, p_nb_bytes: 2); /* SPqcx_i */
11115 l_current_ptr += 2;
11116 if (l_band_no < OPJ_J2K_MAXBANDS) {
11117 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 11);
11118 l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff;
11119 }
11120 }
11121
11122 if (*p_header_size < 2 * l_num_band) {
11123 return OPJ_FALSE;
11124 }
11125 *p_header_size = *p_header_size - 2 * l_num_band;
11126 }
11127
11128 /* Add Antonin : if scalar_derived -> compute other stepsizes */
11129 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
11130 for (l_band_no = 1; l_band_no < OPJ_J2K_MAXBANDS; l_band_no++) {
11131 l_tccp->stepsizes[l_band_no].expn =
11132 ((OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) > 0)
11133 ?
11134 (OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) : 0;
11135 l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
11136 }
11137 }
11138
11139 return OPJ_TRUE;
11140}
11141
11142static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k)
11143{
11144 OPJ_UINT32 i;
11145 opj_cp_t *l_cp = NULL;
11146 opj_tcp_t *l_tcp = NULL;
11147 opj_tccp_t *l_ref_tccp = NULL;
11148 opj_tccp_t *l_copied_tccp = NULL;
11149 OPJ_UINT32 l_size;
11150
11151 /* preconditions */
11152 assert(p_j2k != 00);
11153
11154 l_cp = &(p_j2k->m_cp);
11155 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
11156 &l_cp->tcps[p_j2k->m_current_tile_number] :
11157 p_j2k->m_specific_param.m_decoder.m_default_tcp;
11158
11159 l_ref_tccp = &l_tcp->tccps[0];
11160 l_copied_tccp = l_ref_tccp + 1;
11161 l_size = OPJ_J2K_MAXBANDS * sizeof(opj_stepsize_t);
11162
11163 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
11164 l_copied_tccp->qntsty = l_ref_tccp->qntsty;
11165 l_copied_tccp->numgbits = l_ref_tccp->numgbits;
11166 memcpy(dest: l_copied_tccp->stepsizes, src: l_ref_tccp->stepsizes, n: l_size);
11167 ++l_copied_tccp;
11168 }
11169}
11170
11171static void opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,
11172 OPJ_INT32 numcomps, FILE* out_stream)
11173{
11174 if (l_default_tile) {
11175 OPJ_INT32 compno;
11176
11177 fprintf(stream: out_stream, format: "\t default tile {\n");
11178 fprintf(stream: out_stream, format: "\t\t csty=%#x\n", l_default_tile->csty);
11179 fprintf(stream: out_stream, format: "\t\t prg=%#x\n", l_default_tile->prg);
11180 fprintf(stream: out_stream, format: "\t\t numlayers=%d\n", l_default_tile->numlayers);
11181 fprintf(stream: out_stream, format: "\t\t mct=%x\n", l_default_tile->mct);
11182
11183 for (compno = 0; compno < numcomps; compno++) {
11184 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
11185 OPJ_UINT32 resno;
11186 OPJ_INT32 bandno, numbands;
11187
11188 /* coding style*/
11189 fprintf(stream: out_stream, format: "\t\t comp %d {\n", compno);
11190 fprintf(stream: out_stream, format: "\t\t\t csty=%#x\n", l_tccp->csty);
11191 fprintf(stream: out_stream, format: "\t\t\t numresolutions=%d\n", l_tccp->numresolutions);
11192 fprintf(stream: out_stream, format: "\t\t\t cblkw=2^%d\n", l_tccp->cblkw);
11193 fprintf(stream: out_stream, format: "\t\t\t cblkh=2^%d\n", l_tccp->cblkh);
11194 fprintf(stream: out_stream, format: "\t\t\t cblksty=%#x\n", l_tccp->cblksty);
11195 fprintf(stream: out_stream, format: "\t\t\t qmfbid=%d\n", l_tccp->qmfbid);
11196
11197 fprintf(stream: out_stream, format: "\t\t\t preccintsize (w,h)=");
11198 for (resno = 0; resno < l_tccp->numresolutions; resno++) {
11199 fprintf(stream: out_stream, format: "(%d,%d) ", l_tccp->prcw[resno], l_tccp->prch[resno]);
11200 }
11201 fprintf(stream: out_stream, format: "\n");
11202
11203 /* quantization style*/
11204 fprintf(stream: out_stream, format: "\t\t\t qntsty=%d\n", l_tccp->qntsty);
11205 fprintf(stream: out_stream, format: "\t\t\t numgbits=%d\n", l_tccp->numgbits);
11206 fprintf(stream: out_stream, format: "\t\t\t stepsizes (m,e)=");
11207 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
11208 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
11209 for (bandno = 0; bandno < numbands; bandno++) {
11210 fprintf(stream: out_stream, format: "(%d,%d) ", l_tccp->stepsizes[bandno].mant,
11211 l_tccp->stepsizes[bandno].expn);
11212 }
11213 fprintf(stream: out_stream, format: "\n");
11214
11215 /* RGN value*/
11216 fprintf(stream: out_stream, format: "\t\t\t roishift=%d\n", l_tccp->roishift);
11217
11218 fprintf(stream: out_stream, format: "\t\t }\n");
11219 } /*end of component of default tile*/
11220 fprintf(stream: out_stream, format: "\t }\n"); /*end of default tile*/
11221 }
11222}
11223
11224void j2k_dump(opj_j2k_t* p_j2k, OPJ_INT32 flag, FILE* out_stream)
11225{
11226 /* Check if the flag is compatible with j2k file*/
11227 if ((flag & OPJ_JP2_INFO) || (flag & OPJ_JP2_IND)) {
11228 fprintf(stream: out_stream, format: "Wrong flag\n");
11229 return;
11230 }
11231
11232 /* Dump the image_header */
11233 if (flag & OPJ_IMG_INFO) {
11234 if (p_j2k->m_private_image) {
11235 j2k_dump_image_header(image: p_j2k->m_private_image, dev_dump_flag: 0, out_stream);
11236 }
11237 }
11238
11239 /* Dump the codestream info from main header */
11240 if (flag & OPJ_J2K_MH_INFO) {
11241 if (p_j2k->m_private_image) {
11242 opj_j2k_dump_MH_info(p_j2k, out_stream);
11243 }
11244 }
11245 /* Dump all tile/codestream info */
11246 if (flag & OPJ_J2K_TCH_INFO) {
11247 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
11248 OPJ_UINT32 i;
11249 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
11250 if (p_j2k->m_private_image) {
11251 for (i = 0; i < l_nb_tiles; ++i) {
11252 opj_j2k_dump_tile_info(l_default_tile: l_tcp, numcomps: (OPJ_INT32)p_j2k->m_private_image->numcomps,
11253 out_stream);
11254 ++l_tcp;
11255 }
11256 }
11257 }
11258
11259 /* Dump the codestream info of the current tile */
11260 if (flag & OPJ_J2K_TH_INFO) {
11261
11262 }
11263
11264 /* Dump the codestream index from main header */
11265 if (flag & OPJ_J2K_MH_IND) {
11266 opj_j2k_dump_MH_index(p_j2k, out_stream);
11267 }
11268
11269 /* Dump the codestream index of the current tile */
11270 if (flag & OPJ_J2K_TH_IND) {
11271
11272 }
11273
11274}
11275
11276static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream)
11277{
11278 opj_codestream_index_t* cstr_index = p_j2k->cstr_index;
11279 OPJ_UINT32 it_marker, it_tile, it_tile_part;
11280
11281 fprintf(stream: out_stream, format: "Codestream index from main header: {\n");
11282
11283 fprintf(stream: out_stream, format: "\t Main header start position=%" PRIi64 "\n"
11284 "\t Main header end position=%" PRIi64 "\n",
11285 cstr_index->main_head_start, cstr_index->main_head_end);
11286
11287 fprintf(stream: out_stream, format: "\t Marker list: {\n");
11288
11289 if (cstr_index->marker) {
11290 for (it_marker = 0; it_marker < cstr_index->marknum ; it_marker++) {
11291 fprintf(stream: out_stream, format: "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
11292 cstr_index->marker[it_marker].type,
11293 cstr_index->marker[it_marker].pos,
11294 cstr_index->marker[it_marker].len);
11295 }
11296 }
11297
11298 fprintf(stream: out_stream, format: "\t }\n");
11299
11300 if (cstr_index->tile_index) {
11301
11302 /* Simple test to avoid to write empty information*/
11303 OPJ_UINT32 l_acc_nb_of_tile_part = 0;
11304 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
11305 l_acc_nb_of_tile_part += cstr_index->tile_index[it_tile].nb_tps;
11306 }
11307
11308 if (l_acc_nb_of_tile_part) {
11309 fprintf(stream: out_stream, format: "\t Tile index: {\n");
11310
11311 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
11312 OPJ_UINT32 nb_of_tile_part = cstr_index->tile_index[it_tile].nb_tps;
11313
11314 fprintf(stream: out_stream, format: "\t\t nb of tile-part in tile [%d]=%d\n", it_tile,
11315 nb_of_tile_part);
11316
11317 if (cstr_index->tile_index[it_tile].tp_index) {
11318 for (it_tile_part = 0; it_tile_part < nb_of_tile_part; it_tile_part++) {
11319 fprintf(stream: out_stream, format: "\t\t\t tile-part[%d]: star_pos=%" PRIi64 ", end_header=%"
11320 PRIi64 ", end_pos=%" PRIi64 ".\n",
11321 it_tile_part,
11322 cstr_index->tile_index[it_tile].tp_index[it_tile_part].start_pos,
11323 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_header,
11324 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_pos);
11325 }
11326 }
11327
11328 if (cstr_index->tile_index[it_tile].marker) {
11329 for (it_marker = 0; it_marker < cstr_index->tile_index[it_tile].marknum ;
11330 it_marker++) {
11331 fprintf(stream: out_stream, format: "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
11332 cstr_index->tile_index[it_tile].marker[it_marker].type,
11333 cstr_index->tile_index[it_tile].marker[it_marker].pos,
11334 cstr_index->tile_index[it_tile].marker[it_marker].len);
11335 }
11336 }
11337 }
11338 fprintf(stream: out_stream, format: "\t }\n");
11339 }
11340 }
11341
11342 fprintf(stream: out_stream, format: "}\n");
11343
11344}
11345
11346
11347static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream)
11348{
11349
11350 fprintf(stream: out_stream, format: "Codestream info from main header: {\n");
11351
11352 fprintf(stream: out_stream, format: "\t tx0=%" PRIu32 ", ty0=%" PRIu32 "\n", p_j2k->m_cp.tx0,
11353 p_j2k->m_cp.ty0);
11354 fprintf(stream: out_stream, format: "\t tdx=%" PRIu32 ", tdy=%" PRIu32 "\n", p_j2k->m_cp.tdx,
11355 p_j2k->m_cp.tdy);
11356 fprintf(stream: out_stream, format: "\t tw=%" PRIu32 ", th=%" PRIu32 "\n", p_j2k->m_cp.tw,
11357 p_j2k->m_cp.th);
11358 opj_j2k_dump_tile_info(l_default_tile: p_j2k->m_specific_param.m_decoder.m_default_tcp,
11359 numcomps: (OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream);
11360 fprintf(stream: out_stream, format: "}\n");
11361}
11362
11363void j2k_dump_image_header(opj_image_t* img_header, OPJ_BOOL dev_dump_flag,
11364 FILE* out_stream)
11365{
11366 char tab[2];
11367
11368 if (dev_dump_flag) {
11369 fprintf(stdout, format: "[DEV] Dump an image_header struct {\n");
11370 tab[0] = '\0';
11371 } else {
11372 fprintf(stream: out_stream, format: "Image info {\n");
11373 tab[0] = '\t';
11374 tab[1] = '\0';
11375 }
11376
11377 fprintf(stream: out_stream, format: "%s x0=%d, y0=%d\n", tab, img_header->x0, img_header->y0);
11378 fprintf(stream: out_stream, format: "%s x1=%d, y1=%d\n", tab, img_header->x1,
11379 img_header->y1);
11380 fprintf(stream: out_stream, format: "%s numcomps=%d\n", tab, img_header->numcomps);
11381
11382 if (img_header->comps) {
11383 OPJ_UINT32 compno;
11384 for (compno = 0; compno < img_header->numcomps; compno++) {
11385 fprintf(stream: out_stream, format: "%s\t component %d {\n", tab, compno);
11386 j2k_dump_image_comp_header(comp: &(img_header->comps[compno]), dev_dump_flag,
11387 out_stream);
11388 fprintf(stream: out_stream, format: "%s}\n", tab);
11389 }
11390 }
11391
11392 fprintf(stream: out_stream, format: "}\n");
11393}
11394
11395void j2k_dump_image_comp_header(opj_image_comp_t* comp_header,
11396 OPJ_BOOL dev_dump_flag, FILE* out_stream)
11397{
11398 char tab[3];
11399
11400 if (dev_dump_flag) {
11401 fprintf(stdout, format: "[DEV] Dump an image_comp_header struct {\n");
11402 tab[0] = '\0';
11403 } else {
11404 tab[0] = '\t';
11405 tab[1] = '\t';
11406 tab[2] = '\0';
11407 }
11408
11409 fprintf(stream: out_stream, format: "%s dx=%d, dy=%d\n", tab, comp_header->dx, comp_header->dy);
11410 fprintf(stream: out_stream, format: "%s prec=%d\n", tab, comp_header->prec);
11411 fprintf(stream: out_stream, format: "%s sgnd=%d\n", tab, comp_header->sgnd);
11412
11413 if (dev_dump_flag) {
11414 fprintf(stream: out_stream, format: "}\n");
11415 }
11416}
11417
11418opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_t* p_j2k)
11419{
11420 OPJ_UINT32 compno;
11421 OPJ_UINT32 numcomps = p_j2k->m_private_image->numcomps;
11422 opj_tcp_t *l_default_tile;
11423 opj_codestream_info_v2_t* cstr_info = (opj_codestream_info_v2_t*) opj_calloc(numOfElements: 1,
11424 sizeOfElements: sizeof(opj_codestream_info_v2_t));
11425 if (!cstr_info) {
11426 return NULL;
11427 }
11428
11429 cstr_info->nbcomps = p_j2k->m_private_image->numcomps;
11430
11431 cstr_info->tx0 = p_j2k->m_cp.tx0;
11432 cstr_info->ty0 = p_j2k->m_cp.ty0;
11433 cstr_info->tdx = p_j2k->m_cp.tdx;
11434 cstr_info->tdy = p_j2k->m_cp.tdy;
11435 cstr_info->tw = p_j2k->m_cp.tw;
11436 cstr_info->th = p_j2k->m_cp.th;
11437
11438 cstr_info->tile_info = NULL; /* Not fill from the main header*/
11439
11440 l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
11441
11442 cstr_info->m_default_tile_info.csty = l_default_tile->csty;
11443 cstr_info->m_default_tile_info.prg = l_default_tile->prg;
11444 cstr_info->m_default_tile_info.numlayers = l_default_tile->numlayers;
11445 cstr_info->m_default_tile_info.mct = l_default_tile->mct;
11446
11447 cstr_info->m_default_tile_info.tccp_info = (opj_tccp_info_t*) opj_calloc(
11448 numOfElements: cstr_info->nbcomps, sizeOfElements: sizeof(opj_tccp_info_t));
11449 if (!cstr_info->m_default_tile_info.tccp_info) {
11450 opj_destroy_cstr_info(cstr_info: &cstr_info);
11451 return NULL;
11452 }
11453
11454 for (compno = 0; compno < numcomps; compno++) {
11455 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
11456 opj_tccp_info_t *l_tccp_info = &
11457 (cstr_info->m_default_tile_info.tccp_info[compno]);
11458 OPJ_INT32 bandno, numbands;
11459
11460 /* coding style*/
11461 l_tccp_info->csty = l_tccp->csty;
11462 l_tccp_info->numresolutions = l_tccp->numresolutions;
11463 l_tccp_info->cblkw = l_tccp->cblkw;
11464 l_tccp_info->cblkh = l_tccp->cblkh;
11465 l_tccp_info->cblksty = l_tccp->cblksty;
11466 l_tccp_info->qmfbid = l_tccp->qmfbid;
11467 if (l_tccp->numresolutions < OPJ_J2K_MAXRLVLS) {
11468 memcpy(dest: l_tccp_info->prch, src: l_tccp->prch, n: l_tccp->numresolutions);
11469 memcpy(dest: l_tccp_info->prcw, src: l_tccp->prcw, n: l_tccp->numresolutions);
11470 }
11471
11472 /* quantization style*/
11473 l_tccp_info->qntsty = l_tccp->qntsty;
11474 l_tccp_info->numgbits = l_tccp->numgbits;
11475
11476 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
11477 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
11478 if (numbands < OPJ_J2K_MAXBANDS) {
11479 for (bandno = 0; bandno < numbands; bandno++) {
11480 l_tccp_info->stepsizes_mant[bandno] = (OPJ_UINT32)
11481 l_tccp->stepsizes[bandno].mant;
11482 l_tccp_info->stepsizes_expn[bandno] = (OPJ_UINT32)
11483 l_tccp->stepsizes[bandno].expn;
11484 }
11485 }
11486
11487 /* RGN value*/
11488 l_tccp_info->roishift = l_tccp->roishift;
11489 }
11490
11491 return cstr_info;
11492}
11493
11494opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_t* p_j2k)
11495{
11496 opj_codestream_index_t* l_cstr_index = (opj_codestream_index_t*)
11497 opj_calloc(numOfElements: 1, sizeOfElements: sizeof(opj_codestream_index_t));
11498 if (!l_cstr_index) {
11499 return NULL;
11500 }
11501
11502 l_cstr_index->main_head_start = p_j2k->cstr_index->main_head_start;
11503 l_cstr_index->main_head_end = p_j2k->cstr_index->main_head_end;
11504 l_cstr_index->codestream_size = p_j2k->cstr_index->codestream_size;
11505
11506 l_cstr_index->marknum = p_j2k->cstr_index->marknum;
11507 l_cstr_index->marker = (opj_marker_info_t*)opj_malloc(size: l_cstr_index->marknum *
11508 sizeof(opj_marker_info_t));
11509 if (!l_cstr_index->marker) {
11510 opj_free(m: l_cstr_index);
11511 return NULL;
11512 }
11513
11514 if (p_j2k->cstr_index->marker) {
11515 memcpy(dest: l_cstr_index->marker, src: p_j2k->cstr_index->marker,
11516 n: l_cstr_index->marknum * sizeof(opj_marker_info_t));
11517 } else {
11518 opj_free(m: l_cstr_index->marker);
11519 l_cstr_index->marker = NULL;
11520 }
11521
11522 l_cstr_index->nb_of_tiles = p_j2k->cstr_index->nb_of_tiles;
11523 l_cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
11524 numOfElements: l_cstr_index->nb_of_tiles, sizeOfElements: sizeof(opj_tile_index_t));
11525 if (!l_cstr_index->tile_index) {
11526 opj_free(m: l_cstr_index->marker);
11527 opj_free(m: l_cstr_index);
11528 return NULL;
11529 }
11530
11531 if (!p_j2k->cstr_index->tile_index) {
11532 opj_free(m: l_cstr_index->tile_index);
11533 l_cstr_index->tile_index = NULL;
11534 } else {
11535 OPJ_UINT32 it_tile = 0;
11536 for (it_tile = 0; it_tile < l_cstr_index->nb_of_tiles; it_tile++) {
11537
11538 /* Tile Marker*/
11539 l_cstr_index->tile_index[it_tile].marknum =
11540 p_j2k->cstr_index->tile_index[it_tile].marknum;
11541
11542 l_cstr_index->tile_index[it_tile].marker =
11543 (opj_marker_info_t*)opj_malloc(size: l_cstr_index->tile_index[it_tile].marknum *
11544 sizeof(opj_marker_info_t));
11545
11546 if (!l_cstr_index->tile_index[it_tile].marker) {
11547 OPJ_UINT32 it_tile_free;
11548
11549 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
11550 opj_free(m: l_cstr_index->tile_index[it_tile_free].marker);
11551 }
11552
11553 opj_free(m: l_cstr_index->tile_index);
11554 opj_free(m: l_cstr_index->marker);
11555 opj_free(m: l_cstr_index);
11556 return NULL;
11557 }
11558
11559 if (p_j2k->cstr_index->tile_index[it_tile].marker)
11560 memcpy(dest: l_cstr_index->tile_index[it_tile].marker,
11561 src: p_j2k->cstr_index->tile_index[it_tile].marker,
11562 n: l_cstr_index->tile_index[it_tile].marknum * sizeof(opj_marker_info_t));
11563 else {
11564 opj_free(m: l_cstr_index->tile_index[it_tile].marker);
11565 l_cstr_index->tile_index[it_tile].marker = NULL;
11566 }
11567
11568 /* Tile part index*/
11569 l_cstr_index->tile_index[it_tile].nb_tps =
11570 p_j2k->cstr_index->tile_index[it_tile].nb_tps;
11571
11572 l_cstr_index->tile_index[it_tile].tp_index =
11573 (opj_tp_index_t*)opj_malloc(size: l_cstr_index->tile_index[it_tile].nb_tps * sizeof(
11574 opj_tp_index_t));
11575
11576 if (!l_cstr_index->tile_index[it_tile].tp_index) {
11577 OPJ_UINT32 it_tile_free;
11578
11579 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
11580 opj_free(m: l_cstr_index->tile_index[it_tile_free].marker);
11581 opj_free(m: l_cstr_index->tile_index[it_tile_free].tp_index);
11582 }
11583
11584 opj_free(m: l_cstr_index->tile_index);
11585 opj_free(m: l_cstr_index->marker);
11586 opj_free(m: l_cstr_index);
11587 return NULL;
11588 }
11589
11590 if (p_j2k->cstr_index->tile_index[it_tile].tp_index) {
11591 memcpy(dest: l_cstr_index->tile_index[it_tile].tp_index,
11592 src: p_j2k->cstr_index->tile_index[it_tile].tp_index,
11593 n: l_cstr_index->tile_index[it_tile].nb_tps * sizeof(opj_tp_index_t));
11594 } else {
11595 opj_free(m: l_cstr_index->tile_index[it_tile].tp_index);
11596 l_cstr_index->tile_index[it_tile].tp_index = NULL;
11597 }
11598
11599 /* Packet index (NOT USED)*/
11600 l_cstr_index->tile_index[it_tile].nb_packet = 0;
11601 l_cstr_index->tile_index[it_tile].packet_index = NULL;
11602
11603 }
11604 }
11605
11606 return l_cstr_index;
11607}
11608
11609static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k)
11610{
11611 OPJ_UINT32 it_tile = 0;
11612
11613 p_j2k->cstr_index->nb_of_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
11614 p_j2k->cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
11615 numOfElements: p_j2k->cstr_index->nb_of_tiles, sizeOfElements: sizeof(opj_tile_index_t));
11616 if (!p_j2k->cstr_index->tile_index) {
11617 return OPJ_FALSE;
11618 }
11619
11620 for (it_tile = 0; it_tile < p_j2k->cstr_index->nb_of_tiles; it_tile++) {
11621 p_j2k->cstr_index->tile_index[it_tile].maxmarknum = 100;
11622 p_j2k->cstr_index->tile_index[it_tile].marknum = 0;
11623 p_j2k->cstr_index->tile_index[it_tile].marker = (opj_marker_info_t*)
11624 opj_calloc(numOfElements: p_j2k->cstr_index->tile_index[it_tile].maxmarknum,
11625 sizeOfElements: sizeof(opj_marker_info_t));
11626 if (!p_j2k->cstr_index->tile_index[it_tile].marker) {
11627 return OPJ_FALSE;
11628 }
11629 }
11630
11631 return OPJ_TRUE;
11632}
11633
11634static OPJ_BOOL opj_j2k_are_all_used_components_decoded(opj_j2k_t *p_j2k,
11635 opj_event_mgr_t * p_manager)
11636{
11637 OPJ_UINT32 compno;
11638 OPJ_BOOL decoded_all_used_components = OPJ_TRUE;
11639
11640 if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode) {
11641 for (compno = 0;
11642 compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
11643 OPJ_UINT32 dec_compno =
11644 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
11645 if (p_j2k->m_output_image->comps[dec_compno].data == NULL) {
11646 opj_event_msg(event_mgr: p_manager, EVT_WARNING, fmt: "Failed to decode component %d\n",
11647 dec_compno);
11648 decoded_all_used_components = OPJ_FALSE;
11649 }
11650 }
11651 } else {
11652 for (compno = 0; compno < p_j2k->m_output_image->numcomps; compno++) {
11653 if (p_j2k->m_output_image->comps[compno].data == NULL) {
11654 opj_event_msg(event_mgr: p_manager, EVT_WARNING, fmt: "Failed to decode component %d\n",
11655 compno);
11656 decoded_all_used_components = OPJ_FALSE;
11657 }
11658 }
11659 }
11660
11661 if (decoded_all_used_components == OPJ_FALSE) {
11662 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Failed to decode all used components\n");
11663 return OPJ_FALSE;
11664 }
11665
11666 return OPJ_TRUE;
11667}
11668
11669
11670static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
11671 opj_stream_private_t *p_stream,
11672 opj_event_mgr_t * p_manager)
11673{
11674 OPJ_BOOL l_go_on = OPJ_TRUE;
11675 OPJ_UINT32 l_current_tile_no;
11676 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
11677 OPJ_UINT32 l_nb_comps;
11678 OPJ_UINT32 nr_tiles = 0;
11679
11680 /* Particular case for whole single tile decoding */
11681 /* We can avoid allocating intermediate tile buffers */
11682 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
11683 p_j2k->m_cp.tx0 == 0 && p_j2k->m_cp.ty0 == 0 &&
11684 p_j2k->m_output_image->x0 == 0 &&
11685 p_j2k->m_output_image->y0 == 0 &&
11686 p_j2k->m_output_image->x1 == p_j2k->m_cp.tdx &&
11687 p_j2k->m_output_image->y1 == p_j2k->m_cp.tdy) {
11688 OPJ_UINT32 i;
11689 if (! opj_j2k_read_tile_header(p_j2k,
11690 p_tile_index: &l_current_tile_no,
11691 NULL,
11692 p_tile_x0: &l_tile_x0, p_tile_y0: &l_tile_y0,
11693 p_tile_x1: &l_tile_x1, p_tile_y1: &l_tile_y1,
11694 p_nb_comps: &l_nb_comps,
11695 p_go_on: &l_go_on,
11696 p_stream,
11697 p_manager)) {
11698 return OPJ_FALSE;
11699 }
11700
11701 if (! opj_j2k_decode_tile(p_j2k, p_tile_index: l_current_tile_no, NULL, p_data_size: 0,
11702 p_stream, p_manager)) {
11703 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Failed to decode tile 1/1\n");
11704 return OPJ_FALSE;
11705 }
11706
11707 /* Transfer TCD data to output image data */
11708 for (i = 0; i < p_j2k->m_output_image->numcomps; i++) {
11709 opj_image_data_free(ptr: p_j2k->m_output_image->comps[i].data);
11710 p_j2k->m_output_image->comps[i].data =
11711 p_j2k->m_tcd->tcd_image->tiles->comps[i].data;
11712 p_j2k->m_output_image->comps[i].resno_decoded =
11713 p_j2k->m_tcd->image->comps[i].resno_decoded;
11714 p_j2k->m_tcd->tcd_image->tiles->comps[i].data = NULL;
11715 }
11716
11717 return OPJ_TRUE;
11718 }
11719
11720 for (;;) {
11721 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
11722 p_j2k->m_cp.tcps[0].m_data != NULL) {
11723 l_current_tile_no = 0;
11724 p_j2k->m_current_tile_number = 0;
11725 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
11726 } else {
11727 if (! opj_j2k_read_tile_header(p_j2k,
11728 p_tile_index: &l_current_tile_no,
11729 NULL,
11730 p_tile_x0: &l_tile_x0, p_tile_y0: &l_tile_y0,
11731 p_tile_x1: &l_tile_x1, p_tile_y1: &l_tile_y1,
11732 p_nb_comps: &l_nb_comps,
11733 p_go_on: &l_go_on,
11734 p_stream,
11735 p_manager)) {
11736 return OPJ_FALSE;
11737 }
11738
11739 if (! l_go_on) {
11740 break;
11741 }
11742 }
11743
11744 if (! opj_j2k_decode_tile(p_j2k, p_tile_index: l_current_tile_no, NULL, p_data_size: 0,
11745 p_stream, p_manager)) {
11746 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Failed to decode tile %d/%d\n",
11747 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
11748 return OPJ_FALSE;
11749 }
11750
11751 opj_event_msg(event_mgr: p_manager, EVT_INFO, fmt: "Tile %d/%d has been decoded.\n",
11752 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
11753
11754 if (! opj_j2k_update_image_data(p_tcd: p_j2k->m_tcd,
11755 p_output_image: p_j2k->m_output_image)) {
11756 return OPJ_FALSE;
11757 }
11758
11759 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
11760 !(p_j2k->m_output_image->x0 == p_j2k->m_private_image->x0 &&
11761 p_j2k->m_output_image->y0 == p_j2k->m_private_image->y0 &&
11762 p_j2k->m_output_image->x1 == p_j2k->m_private_image->x1 &&
11763 p_j2k->m_output_image->y1 == p_j2k->m_private_image->y1)) {
11764 /* Keep current tcp data */
11765 } else {
11766 opj_j2k_tcp_data_destroy(p_tcp: &p_j2k->m_cp.tcps[l_current_tile_no]);
11767 }
11768
11769 opj_event_msg(event_mgr: p_manager, EVT_INFO,
11770 fmt: "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
11771
11772 if (opj_stream_get_number_byte_left(p_stream) == 0
11773 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
11774 break;
11775 }
11776 if (++nr_tiles == p_j2k->m_cp.th * p_j2k->m_cp.tw) {
11777 break;
11778 }
11779 }
11780
11781 if (! opj_j2k_are_all_used_components_decoded(p_j2k, p_manager)) {
11782 return OPJ_FALSE;
11783 }
11784
11785 return OPJ_TRUE;
11786}
11787
11788/**
11789 * Sets up the procedures to do on decoding data. Developers wanting to extend the library can add their own reading procedures.
11790 */
11791static OPJ_BOOL opj_j2k_setup_decoding(opj_j2k_t *p_j2k,
11792 opj_event_mgr_t * p_manager)
11793{
11794 /* preconditions*/
11795 assert(p_j2k != 00);
11796 assert(p_manager != 00);
11797
11798 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
11799 p_procedure: (opj_procedure)opj_j2k_decode_tiles, p_manager)) {
11800 return OPJ_FALSE;
11801 }
11802 /* DEVELOPER CORNER, add your custom procedures */
11803
11804 return OPJ_TRUE;
11805}
11806
11807/*
11808 * Read and decode one tile.
11809 */
11810static OPJ_BOOL opj_j2k_decode_one_tile(opj_j2k_t *p_j2k,
11811 opj_stream_private_t *p_stream,
11812 opj_event_mgr_t * p_manager)
11813{
11814 OPJ_BOOL l_go_on = OPJ_TRUE;
11815 OPJ_UINT32 l_current_tile_no;
11816 OPJ_UINT32 l_tile_no_to_dec;
11817 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
11818 OPJ_UINT32 l_nb_comps;
11819 OPJ_UINT32 l_nb_tiles;
11820 OPJ_UINT32 i;
11821
11822 /*Allocate and initialize some elements of codestrem index if not already done*/
11823 if (!p_j2k->cstr_index->tile_index) {
11824 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
11825 return OPJ_FALSE;
11826 }
11827 }
11828 /* Move into the codestream to the first SOT used to decode the desired tile */
11829 l_tile_no_to_dec = (OPJ_UINT32)
11830 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec;
11831 if (p_j2k->cstr_index->tile_index)
11832 if (p_j2k->cstr_index->tile_index->tp_index) {
11833 if (! p_j2k->cstr_index->tile_index[l_tile_no_to_dec].nb_tps) {
11834 /* the index for this tile has not been built,
11835 * so move to the last SOT read */
11836 if (!(opj_stream_read_seek(p_stream,
11837 p_size: p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos + 2, p_event_mgr: p_manager))) {
11838 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Problem with seek function\n");
11839 return OPJ_FALSE;
11840 }
11841 } else {
11842 if (!(opj_stream_read_seek(p_stream,
11843 p_size: p_j2k->cstr_index->tile_index[l_tile_no_to_dec].tp_index[0].start_pos + 2,
11844 p_event_mgr: p_manager))) {
11845 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Problem with seek function\n");
11846 return OPJ_FALSE;
11847 }
11848 }
11849 /* Special case if we have previously read the EOC marker (if the previous tile getted is the last ) */
11850 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
11851 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
11852 }
11853 }
11854
11855 /* Reset current tile part number for all tiles, and not only the one */
11856 /* of interest. */
11857 /* Not completely sure this is always correct but required for */
11858 /* ./build/bin/j2k_random_tile_access ./build/tests/tte1.j2k */
11859 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
11860 for (i = 0; i < l_nb_tiles; ++i) {
11861 p_j2k->m_cp.tcps[i].m_current_tile_part_number = -1;
11862 }
11863
11864 for (;;) {
11865 if (! opj_j2k_read_tile_header(p_j2k,
11866 p_tile_index: &l_current_tile_no,
11867 NULL,
11868 p_tile_x0: &l_tile_x0, p_tile_y0: &l_tile_y0,
11869 p_tile_x1: &l_tile_x1, p_tile_y1: &l_tile_y1,
11870 p_nb_comps: &l_nb_comps,
11871 p_go_on: &l_go_on,
11872 p_stream,
11873 p_manager)) {
11874 return OPJ_FALSE;
11875 }
11876
11877 if (! l_go_on) {
11878 break;
11879 }
11880
11881 if (! opj_j2k_decode_tile(p_j2k, p_tile_index: l_current_tile_no, NULL, p_data_size: 0,
11882 p_stream, p_manager)) {
11883 return OPJ_FALSE;
11884 }
11885 opj_event_msg(event_mgr: p_manager, EVT_INFO, fmt: "Tile %d/%d has been decoded.\n",
11886 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
11887
11888 if (! opj_j2k_update_image_data(p_tcd: p_j2k->m_tcd,
11889 p_output_image: p_j2k->m_output_image)) {
11890 return OPJ_FALSE;
11891 }
11892 opj_j2k_tcp_data_destroy(p_tcp: &p_j2k->m_cp.tcps[l_current_tile_no]);
11893
11894 opj_event_msg(event_mgr: p_manager, EVT_INFO,
11895 fmt: "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
11896
11897 if (l_current_tile_no == l_tile_no_to_dec) {
11898 /* move into the codestream to the first SOT (FIXME or not move?)*/
11899 if (!(opj_stream_read_seek(p_stream, p_size: p_j2k->cstr_index->main_head_end + 2,
11900 p_event_mgr: p_manager))) {
11901 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Problem with seek function\n");
11902 return OPJ_FALSE;
11903 }
11904 break;
11905 } else {
11906 opj_event_msg(event_mgr: p_manager, EVT_WARNING,
11907 fmt: "Tile read, decoded and updated is not the desired one (%d vs %d).\n",
11908 l_current_tile_no + 1, l_tile_no_to_dec + 1);
11909 }
11910
11911 }
11912
11913 if (! opj_j2k_are_all_used_components_decoded(p_j2k, p_manager)) {
11914 return OPJ_FALSE;
11915 }
11916
11917 return OPJ_TRUE;
11918}
11919
11920/**
11921 * Sets up the procedures to do on decoding one tile. Developers wanting to extend the library can add their own reading procedures.
11922 */
11923static OPJ_BOOL opj_j2k_setup_decoding_tile(opj_j2k_t *p_j2k,
11924 opj_event_mgr_t * p_manager)
11925{
11926 /* preconditions*/
11927 assert(p_j2k != 00);
11928 assert(p_manager != 00);
11929
11930 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
11931 p_procedure: (opj_procedure)opj_j2k_decode_one_tile, p_manager)) {
11932 return OPJ_FALSE;
11933 }
11934 /* DEVELOPER CORNER, add your custom procedures */
11935
11936 return OPJ_TRUE;
11937}
11938
11939static OPJ_BOOL opj_j2k_move_data_from_codec_to_output_image(opj_j2k_t * p_j2k,
11940 opj_image_t * p_image)
11941{
11942 OPJ_UINT32 compno;
11943
11944 /* Move data and copy one information from codec to output image*/
11945 if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode > 0) {
11946 opj_image_comp_t* newcomps =
11947 (opj_image_comp_t*) opj_malloc(
11948 size: p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode *
11949 sizeof(opj_image_comp_t));
11950 if (newcomps == NULL) {
11951 opj_image_destroy(image: p_j2k->m_private_image);
11952 p_j2k->m_private_image = NULL;
11953 return OPJ_FALSE;
11954 }
11955 for (compno = 0; compno < p_image->numcomps; compno++) {
11956 opj_image_data_free(ptr: p_image->comps[compno].data);
11957 p_image->comps[compno].data = NULL;
11958 }
11959 for (compno = 0;
11960 compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
11961 OPJ_UINT32 src_compno =
11962 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
11963 memcpy(dest: &(newcomps[compno]),
11964 src: &(p_j2k->m_output_image->comps[src_compno]),
11965 n: sizeof(opj_image_comp_t));
11966 newcomps[compno].resno_decoded =
11967 p_j2k->m_output_image->comps[src_compno].resno_decoded;
11968 newcomps[compno].data = p_j2k->m_output_image->comps[src_compno].data;
11969 p_j2k->m_output_image->comps[src_compno].data = NULL;
11970 }
11971 for (compno = 0; compno < p_image->numcomps; compno++) {
11972 assert(p_j2k->m_output_image->comps[compno].data == NULL);
11973 opj_image_data_free(ptr: p_j2k->m_output_image->comps[compno].data);
11974 p_j2k->m_output_image->comps[compno].data = NULL;
11975 }
11976 p_image->numcomps = p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode;
11977 opj_free(m: p_image->comps);
11978 p_image->comps = newcomps;
11979 } else {
11980 for (compno = 0; compno < p_image->numcomps; compno++) {
11981 p_image->comps[compno].resno_decoded =
11982 p_j2k->m_output_image->comps[compno].resno_decoded;
11983 opj_image_data_free(ptr: p_image->comps[compno].data);
11984 p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
11985#if 0
11986 char fn[256];
11987 snprintf(fn, sizeof fn, "/tmp/%d.raw", compno);
11988 FILE *debug = fopen(fn, "wb");
11989 fwrite(p_image->comps[compno].data, sizeof(OPJ_INT32),
11990 p_image->comps[compno].w * p_image->comps[compno].h, debug);
11991 fclose(debug);
11992#endif
11993 p_j2k->m_output_image->comps[compno].data = NULL;
11994 }
11995 }
11996 return OPJ_TRUE;
11997}
11998
11999OPJ_BOOL opj_j2k_decode(opj_j2k_t * p_j2k,
12000 opj_stream_private_t * p_stream,
12001 opj_image_t * p_image,
12002 opj_event_mgr_t * p_manager)
12003{
12004 if (!p_image) {
12005 return OPJ_FALSE;
12006 }
12007
12008 /* Heuristics to detect sequence opj_read_header(), opj_set_decoded_resolution_factor() */
12009 /* and finally opj_decode_image() without manual setting of comps[].factor */
12010 /* We could potentially always execute it, if we don't allow people to do */
12011 /* opj_read_header(), modify x0,y0,x1,y1 of returned image an call opj_decode_image() */
12012 if (p_j2k->m_cp.m_specific_param.m_dec.m_reduce > 0 &&
12013 p_j2k->m_private_image != NULL &&
12014 p_j2k->m_private_image->numcomps > 0 &&
12015 p_j2k->m_private_image->comps[0].factor ==
12016 p_j2k->m_cp.m_specific_param.m_dec.m_reduce &&
12017 p_image->numcomps > 0 &&
12018 p_image->comps[0].factor == 0 &&
12019 /* Don't mess with image dimension if the user has allocated it */
12020 p_image->comps[0].data == NULL) {
12021 OPJ_UINT32 it_comp;
12022
12023 /* Update the comps[].factor member of the output image with the one */
12024 /* of m_reduce */
12025 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
12026 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
12027 }
12028 if (!opj_j2k_update_image_dimensions(p_image, p_manager)) {
12029 return OPJ_FALSE;
12030 }
12031 }
12032
12033 if (p_j2k->m_output_image == NULL) {
12034 p_j2k->m_output_image = opj_image_create0();
12035 if (!(p_j2k->m_output_image)) {
12036 return OPJ_FALSE;
12037 }
12038 }
12039 opj_copy_image_header(p_image_src: p_image, p_image_dest: p_j2k->m_output_image);
12040
12041 /* customization of the decoding */
12042 if (!opj_j2k_setup_decoding(p_j2k, p_manager)) {
12043 return OPJ_FALSE;
12044 }
12045
12046 /* Decode the codestream */
12047 if (! opj_j2k_exec(p_j2k, p_procedure_list: p_j2k->m_procedure_list, p_stream, p_manager)) {
12048 opj_image_destroy(image: p_j2k->m_private_image);
12049 p_j2k->m_private_image = NULL;
12050 return OPJ_FALSE;
12051 }
12052
12053 /* Move data and copy one information from codec to output image*/
12054 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
12055}
12056
12057OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
12058 opj_stream_private_t *p_stream,
12059 opj_image_t* p_image,
12060 opj_event_mgr_t * p_manager,
12061 OPJ_UINT32 tile_index)
12062{
12063 OPJ_UINT32 compno;
12064 OPJ_UINT32 l_tile_x, l_tile_y;
12065 opj_image_comp_t* l_img_comp;
12066
12067 if (!p_image) {
12068 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "We need an image previously created.\n");
12069 return OPJ_FALSE;
12070 }
12071
12072 if (p_image->numcomps < p_j2k->m_private_image->numcomps) {
12073 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
12074 fmt: "Image has less components than codestream.\n");
12075 return OPJ_FALSE;
12076 }
12077
12078 if (/*(tile_index < 0) &&*/ (tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th)) {
12079 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
12080 fmt: "Tile index provided by the user is incorrect %d (max = %d) \n", tile_index,
12081 (p_j2k->m_cp.tw * p_j2k->m_cp.th) - 1);
12082 return OPJ_FALSE;
12083 }
12084
12085 /* Compute the dimension of the desired tile*/
12086 l_tile_x = tile_index % p_j2k->m_cp.tw;
12087 l_tile_y = tile_index / p_j2k->m_cp.tw;
12088
12089 p_image->x0 = l_tile_x * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
12090 if (p_image->x0 < p_j2k->m_private_image->x0) {
12091 p_image->x0 = p_j2k->m_private_image->x0;
12092 }
12093 p_image->x1 = (l_tile_x + 1) * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
12094 if (p_image->x1 > p_j2k->m_private_image->x1) {
12095 p_image->x1 = p_j2k->m_private_image->x1;
12096 }
12097
12098 p_image->y0 = l_tile_y * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
12099 if (p_image->y0 < p_j2k->m_private_image->y0) {
12100 p_image->y0 = p_j2k->m_private_image->y0;
12101 }
12102 p_image->y1 = (l_tile_y + 1) * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
12103 if (p_image->y1 > p_j2k->m_private_image->y1) {
12104 p_image->y1 = p_j2k->m_private_image->y1;
12105 }
12106
12107 l_img_comp = p_image->comps;
12108 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
12109 OPJ_INT32 l_comp_x1, l_comp_y1;
12110
12111 l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
12112
12113 l_img_comp->x0 = opj_uint_ceildiv(a: p_image->x0, b: l_img_comp->dx);
12114 l_img_comp->y0 = opj_uint_ceildiv(a: p_image->y0, b: l_img_comp->dy);
12115 l_comp_x1 = opj_int_ceildiv(a: (OPJ_INT32)p_image->x1, b: (OPJ_INT32)l_img_comp->dx);
12116 l_comp_y1 = opj_int_ceildiv(a: (OPJ_INT32)p_image->y1, b: (OPJ_INT32)l_img_comp->dy);
12117
12118 l_img_comp->w = (OPJ_UINT32)(opj_int_ceildivpow2(a: l_comp_x1,
12119 b: (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2(a: (OPJ_INT32)l_img_comp->x0,
12120 b: (OPJ_INT32)l_img_comp->factor));
12121 l_img_comp->h = (OPJ_UINT32)(opj_int_ceildivpow2(a: l_comp_y1,
12122 b: (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2(a: (OPJ_INT32)l_img_comp->y0,
12123 b: (OPJ_INT32)l_img_comp->factor));
12124
12125 l_img_comp++;
12126 }
12127
12128 if (p_image->numcomps > p_j2k->m_private_image->numcomps) {
12129 /* Can happen when calling repeatdly opj_get_decoded_tile() on an
12130 * image with a color palette, where color palette expansion is done
12131 * later in jp2.c */
12132 for (compno = p_j2k->m_private_image->numcomps; compno < p_image->numcomps;
12133 ++compno) {
12134 opj_image_data_free(ptr: p_image->comps[compno].data);
12135 p_image->comps[compno].data = NULL;
12136 }
12137 p_image->numcomps = p_j2k->m_private_image->numcomps;
12138 }
12139
12140 /* Destroy the previous output image*/
12141 if (p_j2k->m_output_image) {
12142 opj_image_destroy(image: p_j2k->m_output_image);
12143 }
12144
12145 /* Create the output image from the information previously computed*/
12146 p_j2k->m_output_image = opj_image_create0();
12147 if (!(p_j2k->m_output_image)) {
12148 return OPJ_FALSE;
12149 }
12150 opj_copy_image_header(p_image_src: p_image, p_image_dest: p_j2k->m_output_image);
12151
12152 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = (OPJ_INT32)tile_index;
12153
12154 /* customization of the decoding */
12155 if (!opj_j2k_setup_decoding_tile(p_j2k, p_manager)) {
12156 return OPJ_FALSE;
12157 }
12158
12159 /* Decode the codestream */
12160 if (! opj_j2k_exec(p_j2k, p_procedure_list: p_j2k->m_procedure_list, p_stream, p_manager)) {
12161 opj_image_destroy(image: p_j2k->m_private_image);
12162 p_j2k->m_private_image = NULL;
12163 return OPJ_FALSE;
12164 }
12165
12166 /* Move data and copy one information from codec to output image*/
12167 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
12168}
12169
12170OPJ_BOOL opj_j2k_set_decoded_resolution_factor(opj_j2k_t *p_j2k,
12171 OPJ_UINT32 res_factor,
12172 opj_event_mgr_t * p_manager)
12173{
12174 OPJ_UINT32 it_comp;
12175
12176 p_j2k->m_cp.m_specific_param.m_dec.m_reduce = res_factor;
12177
12178 if (p_j2k->m_private_image) {
12179 if (p_j2k->m_private_image->comps) {
12180 if (p_j2k->m_specific_param.m_decoder.m_default_tcp) {
12181 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps) {
12182 for (it_comp = 0 ; it_comp < p_j2k->m_private_image->numcomps; it_comp++) {
12183 OPJ_UINT32 max_res =
12184 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[it_comp].numresolutions;
12185 if (res_factor >= max_res) {
12186 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
12187 fmt: "Resolution factor is greater than the maximum resolution in the component.\n");
12188 return OPJ_FALSE;
12189 }
12190 p_j2k->m_private_image->comps[it_comp].factor = res_factor;
12191 }
12192 return OPJ_TRUE;
12193 }
12194 }
12195 }
12196 }
12197
12198 return OPJ_FALSE;
12199}
12200
12201/* ----------------------------------------------------------------------- */
12202
12203OPJ_BOOL opj_j2k_encoder_set_extra_options(
12204 opj_j2k_t *p_j2k,
12205 const char* const* p_options,
12206 opj_event_mgr_t * p_manager)
12207{
12208 const char* const* p_option_iter;
12209
12210 if (p_options == NULL) {
12211 return OPJ_TRUE;
12212 }
12213
12214 for (p_option_iter = p_options; *p_option_iter != NULL; ++p_option_iter) {
12215 if (strncmp(s1: *p_option_iter, s2: "PLT=", n: 4) == 0) {
12216 if (strcmp(s1: *p_option_iter, s2: "PLT=YES") == 0) {
12217 p_j2k->m_specific_param.m_encoder.m_PLT = OPJ_TRUE;
12218 } else if (strcmp(s1: *p_option_iter, s2: "PLT=NO") == 0) {
12219 p_j2k->m_specific_param.m_encoder.m_PLT = OPJ_FALSE;
12220 } else {
12221 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
12222 fmt: "Invalid value for option: %s.\n", *p_option_iter);
12223 return OPJ_FALSE;
12224 }
12225 } else if (strncmp(s1: *p_option_iter, s2: "TLM=", n: 4) == 0) {
12226 if (strcmp(s1: *p_option_iter, s2: "TLM=YES") == 0) {
12227 p_j2k->m_specific_param.m_encoder.m_TLM = OPJ_TRUE;
12228 } else if (strcmp(s1: *p_option_iter, s2: "TLM=NO") == 0) {
12229 p_j2k->m_specific_param.m_encoder.m_TLM = OPJ_FALSE;
12230 } else {
12231 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
12232 fmt: "Invalid value for option: %s.\n", *p_option_iter);
12233 return OPJ_FALSE;
12234 }
12235 } else if (strncmp(s1: *p_option_iter, s2: "GUARD_BITS=", n: strlen(s: "GUARD_BITS=")) == 0) {
12236 OPJ_UINT32 tileno;
12237 opj_cp_t *cp = cp = &(p_j2k->m_cp);
12238
12239 int numgbits = atoi(nptr: *p_option_iter + strlen(s: "GUARD_BITS="));
12240 if (numgbits < 0 || numgbits > 7) {
12241 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
12242 fmt: "Invalid value for option: %s. Should be in [0,7]\n", *p_option_iter);
12243 return OPJ_FALSE;
12244 }
12245
12246 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
12247 OPJ_UINT32 i;
12248 opj_tcp_t *tcp = &cp->tcps[tileno];
12249 for (i = 0; i < p_j2k->m_specific_param.m_encoder.m_nb_comps; i++) {
12250 opj_tccp_t *tccp = &tcp->tccps[i];
12251 tccp->numgbits = (OPJ_UINT32)numgbits;
12252 }
12253 }
12254 } else {
12255 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
12256 fmt: "Invalid option: %s.\n", *p_option_iter);
12257 return OPJ_FALSE;
12258 }
12259 }
12260
12261 return OPJ_TRUE;
12262}
12263
12264/* ----------------------------------------------------------------------- */
12265
12266OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
12267 opj_stream_private_t *p_stream,
12268 opj_event_mgr_t * p_manager)
12269{
12270 OPJ_UINT32 i, j;
12271 OPJ_UINT32 l_nb_tiles;
12272 OPJ_SIZE_T l_max_tile_size = 0, l_current_tile_size;
12273 OPJ_BYTE * l_current_data = 00;
12274 OPJ_BOOL l_reuse_data = OPJ_FALSE;
12275 opj_tcd_t* p_tcd = 00;
12276
12277 /* preconditions */
12278 assert(p_j2k != 00);
12279 assert(p_stream != 00);
12280 assert(p_manager != 00);
12281
12282 p_tcd = p_j2k->m_tcd;
12283
12284 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
12285 if (l_nb_tiles == 1) {
12286 l_reuse_data = OPJ_TRUE;
12287#ifdef __SSE__
12288 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
12289 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
12290 if (((size_t)l_img_comp->data & 0xFU) !=
12291 0U) { /* tile data shall be aligned on 16 bytes */
12292 l_reuse_data = OPJ_FALSE;
12293 }
12294 }
12295#endif
12296 }
12297 for (i = 0; i < l_nb_tiles; ++i) {
12298 if (! opj_j2k_pre_write_tile(p_j2k, p_tile_index: i, p_stream, p_manager)) {
12299 if (l_current_data) {
12300 opj_free(m: l_current_data);
12301 }
12302 return OPJ_FALSE;
12303 }
12304
12305 /* if we only have one tile, then simply set tile component data equal to image component data */
12306 /* otherwise, allocate the data */
12307 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
12308 opj_tcd_tilecomp_t* l_tilec = p_tcd->tcd_image->tiles->comps + j;
12309 if (l_reuse_data) {
12310 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
12311 l_tilec->data = l_img_comp->data;
12312 l_tilec->ownsData = OPJ_FALSE;
12313 } else {
12314 if (! opj_alloc_tile_component_data(l_tilec)) {
12315 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error allocating tile component data.");
12316 if (l_current_data) {
12317 opj_free(m: l_current_data);
12318 }
12319 return OPJ_FALSE;
12320 }
12321 }
12322 }
12323 l_current_tile_size = opj_tcd_get_encoder_input_buffer_size(p_tcd: p_j2k->m_tcd);
12324 if (!l_reuse_data) {
12325 if (l_current_tile_size > l_max_tile_size) {
12326 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(m: l_current_data,
12327 s: l_current_tile_size);
12328 if (! l_new_current_data) {
12329 if (l_current_data) {
12330 opj_free(m: l_current_data);
12331 }
12332 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to encode all tiles\n");
12333 return OPJ_FALSE;
12334 }
12335 l_current_data = l_new_current_data;
12336 l_max_tile_size = l_current_tile_size;
12337 }
12338 if (l_current_data == NULL) {
12339 /* Should not happen in practice, but will avoid Coverity to */
12340 /* complain about a null pointer dereference */
12341 assert(0);
12342 return OPJ_FALSE;
12343 }
12344
12345 /* copy image data (32 bit) to l_current_data as contiguous, all-component, zero offset buffer */
12346 /* 32 bit components @ 8 bit precision get converted to 8 bit */
12347 /* 32 bit components @ 16 bit precision get converted to 16 bit */
12348 opj_j2k_get_tile_data(p_tcd: p_j2k->m_tcd, p_data: l_current_data);
12349
12350 /* now copy this data into the tile component */
12351 if (! opj_tcd_copy_tile_data(p_tcd: p_j2k->m_tcd, p_src: l_current_data,
12352 p_src_length: l_current_tile_size)) {
12353 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
12354 fmt: "Size mismatch between tile data and sent data.");
12355 opj_free(m: l_current_data);
12356 return OPJ_FALSE;
12357 }
12358 }
12359
12360 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
12361 if (l_current_data) {
12362 opj_free(m: l_current_data);
12363 }
12364 return OPJ_FALSE;
12365 }
12366 }
12367
12368 if (l_current_data) {
12369 opj_free(m: l_current_data);
12370 }
12371 return OPJ_TRUE;
12372}
12373
12374OPJ_BOOL opj_j2k_end_compress(opj_j2k_t *p_j2k,
12375 opj_stream_private_t *p_stream,
12376 opj_event_mgr_t * p_manager)
12377{
12378 /* customization of the encoding */
12379 if (! opj_j2k_setup_end_compress(p_j2k, p_manager)) {
12380 return OPJ_FALSE;
12381 }
12382
12383 if (! opj_j2k_exec(p_j2k, p_procedure_list: p_j2k->m_procedure_list, p_stream, p_manager)) {
12384 return OPJ_FALSE;
12385 }
12386
12387 return OPJ_TRUE;
12388}
12389
12390OPJ_BOOL opj_j2k_start_compress(opj_j2k_t *p_j2k,
12391 opj_stream_private_t *p_stream,
12392 opj_image_t * p_image,
12393 opj_event_mgr_t * p_manager)
12394{
12395 /* preconditions */
12396 assert(p_j2k != 00);
12397 assert(p_stream != 00);
12398 assert(p_manager != 00);
12399
12400 p_j2k->m_private_image = opj_image_create0();
12401 if (! p_j2k->m_private_image) {
12402 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Failed to allocate image header.");
12403 return OPJ_FALSE;
12404 }
12405 opj_copy_image_header(p_image_src: p_image, p_image_dest: p_j2k->m_private_image);
12406
12407 /* TODO_MSD: Find a better way */
12408 if (p_image->comps) {
12409 OPJ_UINT32 it_comp;
12410 for (it_comp = 0 ; it_comp < p_image->numcomps; it_comp++) {
12411 if (p_image->comps[it_comp].data) {
12412 p_j2k->m_private_image->comps[it_comp].data = p_image->comps[it_comp].data;
12413 p_image->comps[it_comp].data = NULL;
12414
12415 }
12416 }
12417 }
12418
12419 /* customization of the validation */
12420 if (! opj_j2k_setup_encoding_validation(p_j2k, p_manager)) {
12421 return OPJ_FALSE;
12422 }
12423
12424 /* validation of the parameters codec */
12425 if (! opj_j2k_exec(p_j2k, p_procedure_list: p_j2k->m_validation_list, p_stream, p_manager)) {
12426 return OPJ_FALSE;
12427 }
12428
12429 /* customization of the encoding */
12430 if (! opj_j2k_setup_header_writing(p_j2k, p_manager)) {
12431 return OPJ_FALSE;
12432 }
12433
12434 /* write header */
12435 if (! opj_j2k_exec(p_j2k, p_procedure_list: p_j2k->m_procedure_list, p_stream, p_manager)) {
12436 return OPJ_FALSE;
12437 }
12438
12439 return OPJ_TRUE;
12440}
12441
12442static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
12443 OPJ_UINT32 p_tile_index,
12444 opj_stream_private_t *p_stream,
12445 opj_event_mgr_t * p_manager)
12446{
12447 (void)p_stream;
12448 if (p_tile_index != p_j2k->m_current_tile_number) {
12449 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "The given tile index does not match.");
12450 return OPJ_FALSE;
12451 }
12452
12453 opj_event_msg(event_mgr: p_manager, EVT_INFO, fmt: "tile number %d / %d\n",
12454 p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th);
12455
12456 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0;
12457 p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts;
12458 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
12459
12460 /* initialisation before tile encoding */
12461 if (! opj_tcd_init_encode_tile(p_tcd: p_j2k->m_tcd, p_tile_no: p_j2k->m_current_tile_number,
12462 p_manager)) {
12463 return OPJ_FALSE;
12464 }
12465
12466 return OPJ_TRUE;
12467}
12468
12469static void opj_get_tile_dimensions(opj_image_t * l_image,
12470 opj_tcd_tilecomp_t * l_tilec,
12471 opj_image_comp_t * l_img_comp,
12472 OPJ_UINT32* l_size_comp,
12473 OPJ_UINT32* l_width,
12474 OPJ_UINT32* l_height,
12475 OPJ_UINT32* l_offset_x,
12476 OPJ_UINT32* l_offset_y,
12477 OPJ_UINT32* l_image_width,
12478 OPJ_UINT32* l_stride,
12479 OPJ_UINT32* l_tile_offset)
12480{
12481 OPJ_UINT32 l_remaining;
12482 *l_size_comp = l_img_comp->prec >> 3; /* (/8) */
12483 l_remaining = l_img_comp->prec & 7; /* (%8) */
12484 if (l_remaining) {
12485 *l_size_comp += 1;
12486 }
12487
12488 if (*l_size_comp == 3) {
12489 *l_size_comp = 4;
12490 }
12491
12492 *l_width = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0);
12493 *l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0);
12494 *l_offset_x = opj_uint_ceildiv(a: l_image->x0, b: l_img_comp->dx);
12495 *l_offset_y = opj_uint_ceildiv(a: l_image->y0, b: l_img_comp->dy);
12496 *l_image_width = opj_uint_ceildiv(a: l_image->x1 - l_image->x0, b: l_img_comp->dx);
12497 *l_stride = *l_image_width - *l_width;
12498 *l_tile_offset = ((OPJ_UINT32)l_tilec->x0 - *l_offset_x) + ((
12499 OPJ_UINT32)l_tilec->y0 - *l_offset_y) * *l_image_width;
12500}
12501
12502static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data)
12503{
12504 OPJ_UINT32 i, j, k = 0;
12505
12506 for (i = 0; i < p_tcd->image->numcomps; ++i) {
12507 opj_image_t * l_image = p_tcd->image;
12508 OPJ_INT32 * l_src_ptr;
12509 opj_tcd_tilecomp_t * l_tilec = p_tcd->tcd_image->tiles->comps + i;
12510 opj_image_comp_t * l_img_comp = l_image->comps + i;
12511 OPJ_UINT32 l_size_comp, l_width, l_height, l_offset_x, l_offset_y,
12512 l_image_width, l_stride, l_tile_offset;
12513
12514 opj_get_tile_dimensions(l_image,
12515 l_tilec,
12516 l_img_comp,
12517 l_size_comp: &l_size_comp,
12518 l_width: &l_width,
12519 l_height: &l_height,
12520 l_offset_x: &l_offset_x,
12521 l_offset_y: &l_offset_y,
12522 l_image_width: &l_image_width,
12523 l_stride: &l_stride,
12524 l_tile_offset: &l_tile_offset);
12525
12526 l_src_ptr = l_img_comp->data + l_tile_offset;
12527
12528 switch (l_size_comp) {
12529 case 1: {
12530 OPJ_CHAR * l_dest_ptr = (OPJ_CHAR*) p_data;
12531 if (l_img_comp->sgnd) {
12532 for (j = 0; j < l_height; ++j) {
12533 for (k = 0; k < l_width; ++k) {
12534 *(l_dest_ptr) = (OPJ_CHAR)(*l_src_ptr);
12535 ++l_dest_ptr;
12536 ++l_src_ptr;
12537 }
12538 l_src_ptr += l_stride;
12539 }
12540 } else {
12541 for (j = 0; j < l_height; ++j) {
12542 for (k = 0; k < l_width; ++k) {
12543 *(l_dest_ptr) = (OPJ_CHAR)((*l_src_ptr) & 0xff);
12544 ++l_dest_ptr;
12545 ++l_src_ptr;
12546 }
12547 l_src_ptr += l_stride;
12548 }
12549 }
12550
12551 p_data = (OPJ_BYTE*) l_dest_ptr;
12552 }
12553 break;
12554 case 2: {
12555 OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_data;
12556 if (l_img_comp->sgnd) {
12557 for (j = 0; j < l_height; ++j) {
12558 for (k = 0; k < l_width; ++k) {
12559 *(l_dest_ptr++) = (OPJ_INT16)(*(l_src_ptr++));
12560 }
12561 l_src_ptr += l_stride;
12562 }
12563 } else {
12564 for (j = 0; j < l_height; ++j) {
12565 for (k = 0; k < l_width; ++k) {
12566 *(l_dest_ptr++) = (OPJ_INT16)((*(l_src_ptr++)) & 0xffff);
12567 }
12568 l_src_ptr += l_stride;
12569 }
12570 }
12571
12572 p_data = (OPJ_BYTE*) l_dest_ptr;
12573 }
12574 break;
12575 case 4: {
12576 OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_data;
12577 for (j = 0; j < l_height; ++j) {
12578 for (k = 0; k < l_width; ++k) {
12579 *(l_dest_ptr++) = *(l_src_ptr++);
12580 }
12581 l_src_ptr += l_stride;
12582 }
12583
12584 p_data = (OPJ_BYTE*) l_dest_ptr;
12585 }
12586 break;
12587 }
12588 }
12589}
12590
12591static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
12592 opj_stream_private_t *p_stream,
12593 opj_event_mgr_t * p_manager)
12594{
12595 OPJ_UINT32 l_nb_bytes_written;
12596 OPJ_BYTE * l_current_data = 00;
12597 OPJ_UINT32 l_tile_size = 0;
12598 OPJ_UINT32 l_available_data;
12599
12600 /* preconditions */
12601 assert(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
12602
12603 l_tile_size = p_j2k->m_specific_param.m_encoder.m_encoded_tile_size;
12604 l_available_data = l_tile_size;
12605 l_current_data = p_j2k->m_specific_param.m_encoder.m_encoded_tile_data;
12606
12607 l_nb_bytes_written = 0;
12608 if (! opj_j2k_write_first_tile_part(p_j2k, p_data: l_current_data, p_data_written: &l_nb_bytes_written,
12609 total_data_size: l_available_data, p_stream, p_manager)) {
12610 return OPJ_FALSE;
12611 }
12612 l_current_data += l_nb_bytes_written;
12613 l_available_data -= l_nb_bytes_written;
12614
12615 l_nb_bytes_written = 0;
12616 if (! opj_j2k_write_all_tile_parts(p_j2k, p_data: l_current_data, p_data_written: &l_nb_bytes_written,
12617 total_data_size: l_available_data, p_stream, p_manager)) {
12618 return OPJ_FALSE;
12619 }
12620
12621 l_available_data -= l_nb_bytes_written;
12622 l_nb_bytes_written = l_tile_size - l_available_data;
12623
12624 if (opj_stream_write_data(p_stream,
12625 p_buffer: p_j2k->m_specific_param.m_encoder.m_encoded_tile_data,
12626 p_size: l_nb_bytes_written, p_event_mgr: p_manager) != l_nb_bytes_written) {
12627 return OPJ_FALSE;
12628 }
12629
12630 ++p_j2k->m_current_tile_number;
12631
12632 return OPJ_TRUE;
12633}
12634
12635static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
12636 opj_event_mgr_t * p_manager)
12637{
12638 /* preconditions */
12639 assert(p_j2k != 00);
12640 assert(p_manager != 00);
12641
12642 /* DEVELOPER CORNER, insert your custom procedures */
12643 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12644 p_procedure: (opj_procedure)opj_j2k_write_eoc, p_manager)) {
12645 return OPJ_FALSE;
12646 }
12647
12648 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12649 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12650 p_procedure: (opj_procedure)opj_j2k_write_updated_tlm, p_manager)) {
12651 return OPJ_FALSE;
12652 }
12653 }
12654
12655 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12656 p_procedure: (opj_procedure)opj_j2k_write_epc, p_manager)) {
12657 return OPJ_FALSE;
12658 }
12659 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12660 p_procedure: (opj_procedure)opj_j2k_end_encoding, p_manager)) {
12661 return OPJ_FALSE;
12662 }
12663 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12664 p_procedure: (opj_procedure)opj_j2k_destroy_header_memory, p_manager)) {
12665 return OPJ_FALSE;
12666 }
12667 return OPJ_TRUE;
12668}
12669
12670static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
12671 opj_event_mgr_t * p_manager)
12672{
12673 /* preconditions */
12674 assert(p_j2k != 00);
12675 assert(p_manager != 00);
12676
12677 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_validation_list,
12678 p_procedure: (opj_procedure)opj_j2k_build_encoder, p_manager)) {
12679 return OPJ_FALSE;
12680 }
12681 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_validation_list,
12682 p_procedure: (opj_procedure)opj_j2k_encoding_validation, p_manager)) {
12683 return OPJ_FALSE;
12684 }
12685
12686 /* DEVELOPER CORNER, add your custom validation procedure */
12687 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_validation_list,
12688 p_procedure: (opj_procedure)opj_j2k_mct_validation, p_manager)) {
12689 return OPJ_FALSE;
12690 }
12691
12692 return OPJ_TRUE;
12693}
12694
12695static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
12696 opj_event_mgr_t * p_manager)
12697{
12698 /* preconditions */
12699 assert(p_j2k != 00);
12700 assert(p_manager != 00);
12701
12702 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12703 p_procedure: (opj_procedure)opj_j2k_init_info, p_manager)) {
12704 return OPJ_FALSE;
12705 }
12706 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12707 p_procedure: (opj_procedure)opj_j2k_write_soc, p_manager)) {
12708 return OPJ_FALSE;
12709 }
12710 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12711 p_procedure: (opj_procedure)opj_j2k_write_siz, p_manager)) {
12712 return OPJ_FALSE;
12713 }
12714 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12715 p_procedure: (opj_procedure)opj_j2k_write_cod, p_manager)) {
12716 return OPJ_FALSE;
12717 }
12718 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12719 p_procedure: (opj_procedure)opj_j2k_write_qcd, p_manager)) {
12720 return OPJ_FALSE;
12721 }
12722 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12723 p_procedure: (opj_procedure)opj_j2k_write_all_coc, p_manager)) {
12724 return OPJ_FALSE;
12725 }
12726 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12727 p_procedure: (opj_procedure)opj_j2k_write_all_qcc, p_manager)) {
12728 return OPJ_FALSE;
12729 }
12730
12731 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12732 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12733 p_procedure: (opj_procedure)opj_j2k_write_tlm, p_manager)) {
12734 return OPJ_FALSE;
12735 }
12736
12737 if (p_j2k->m_cp.rsiz == OPJ_PROFILE_CINEMA_4K) {
12738 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12739 p_procedure: (opj_procedure)opj_j2k_write_poc, p_manager)) {
12740 return OPJ_FALSE;
12741 }
12742 }
12743 }
12744
12745 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12746 p_procedure: (opj_procedure)opj_j2k_write_regions, p_manager)) {
12747 return OPJ_FALSE;
12748 }
12749
12750 if (p_j2k->m_cp.comment != 00) {
12751 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12752 p_procedure: (opj_procedure)opj_j2k_write_com, p_manager)) {
12753 return OPJ_FALSE;
12754 }
12755 }
12756
12757 /* DEVELOPER CORNER, insert your custom procedures */
12758 if ((p_j2k->m_cp.rsiz & (OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT)) ==
12759 (OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT)) {
12760 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12761 p_procedure: (opj_procedure)opj_j2k_write_mct_data_group, p_manager)) {
12762 return OPJ_FALSE;
12763 }
12764 }
12765 /* End of Developer Corner */
12766
12767 if (p_j2k->cstr_index) {
12768 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12769 p_procedure: (opj_procedure)opj_j2k_get_end_header, p_manager)) {
12770 return OPJ_FALSE;
12771 }
12772 }
12773
12774 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12775 p_procedure: (opj_procedure)opj_j2k_create_tcd, p_manager)) {
12776 return OPJ_FALSE;
12777 }
12778 if (! opj_procedure_list_add_procedure(p_validation_list: p_j2k->m_procedure_list,
12779 p_procedure: (opj_procedure)opj_j2k_update_rates, p_manager)) {
12780 return OPJ_FALSE;
12781 }
12782
12783 return OPJ_TRUE;
12784}
12785
12786static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
12787 OPJ_BYTE * p_data,
12788 OPJ_UINT32 * p_data_written,
12789 OPJ_UINT32 total_data_size,
12790 opj_stream_private_t *p_stream,
12791 struct opj_event_mgr * p_manager)
12792{
12793 OPJ_UINT32 l_nb_bytes_written = 0;
12794 OPJ_UINT32 l_current_nb_bytes_written;
12795 OPJ_BYTE * l_begin_data = 00;
12796
12797 opj_tcd_t * l_tcd = 00;
12798 opj_cp_t * l_cp = 00;
12799
12800 l_tcd = p_j2k->m_tcd;
12801 l_cp = &(p_j2k->m_cp);
12802
12803 l_tcd->cur_pino = 0;
12804
12805 /*Get number of tile parts*/
12806 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
12807
12808 /* INDEX >> */
12809 /* << INDEX */
12810
12811 l_current_nb_bytes_written = 0;
12812 l_begin_data = p_data;
12813 if (! opj_j2k_write_sot(p_j2k, p_data, total_data_size,
12814 p_data_written: &l_current_nb_bytes_written, p_stream,
12815 p_manager)) {
12816 return OPJ_FALSE;
12817 }
12818
12819 l_nb_bytes_written += l_current_nb_bytes_written;
12820 p_data += l_current_nb_bytes_written;
12821 total_data_size -= l_current_nb_bytes_written;
12822
12823 if (!OPJ_IS_CINEMA(l_cp->rsiz)) {
12824#if 0
12825 for (compno = 1; compno < p_j2k->m_private_image->numcomps; compno++) {
12826 l_current_nb_bytes_written = 0;
12827 opj_j2k_write_coc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
12828 p_manager);
12829 l_nb_bytes_written += l_current_nb_bytes_written;
12830 p_data += l_current_nb_bytes_written;
12831 total_data_size -= l_current_nb_bytes_written;
12832
12833 l_current_nb_bytes_written = 0;
12834 opj_j2k_write_qcc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
12835 p_manager);
12836 l_nb_bytes_written += l_current_nb_bytes_written;
12837 p_data += l_current_nb_bytes_written;
12838 total_data_size -= l_current_nb_bytes_written;
12839 }
12840#endif
12841 if (l_cp->tcps[p_j2k->m_current_tile_number].POC) {
12842 l_current_nb_bytes_written = 0;
12843 opj_j2k_write_poc_in_memory(p_j2k, p_data, p_data_written: &l_current_nb_bytes_written,
12844 p_manager);
12845 l_nb_bytes_written += l_current_nb_bytes_written;
12846 p_data += l_current_nb_bytes_written;
12847 total_data_size -= l_current_nb_bytes_written;
12848 }
12849 }
12850
12851 l_current_nb_bytes_written = 0;
12852 if (! opj_j2k_write_sod(p_j2k, p_tile_coder: l_tcd, p_data, p_data_written: &l_current_nb_bytes_written,
12853 total_data_size, p_stream, p_manager)) {
12854 return OPJ_FALSE;
12855 }
12856
12857 l_nb_bytes_written += l_current_nb_bytes_written;
12858 * p_data_written = l_nb_bytes_written;
12859
12860 /* Writing Psot in SOT marker */
12861 opj_write_bytes(p_buffer: l_begin_data + 6, p_value: l_nb_bytes_written,
12862 p_nb_bytes: 4); /* PSOT */
12863
12864 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12865 opj_j2k_update_tlm(p_j2k, p_tile_part_size: l_nb_bytes_written);
12866 }
12867
12868 return OPJ_TRUE;
12869}
12870
12871static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
12872 OPJ_BYTE * p_data,
12873 OPJ_UINT32 * p_data_written,
12874 OPJ_UINT32 total_data_size,
12875 opj_stream_private_t *p_stream,
12876 struct opj_event_mgr * p_manager
12877 )
12878{
12879 OPJ_UINT32 tilepartno = 0;
12880 OPJ_UINT32 l_nb_bytes_written = 0;
12881 OPJ_UINT32 l_current_nb_bytes_written;
12882 OPJ_UINT32 l_part_tile_size;
12883 OPJ_UINT32 tot_num_tp;
12884 OPJ_UINT32 pino;
12885
12886 OPJ_BYTE * l_begin_data;
12887 opj_tcp_t *l_tcp = 00;
12888 opj_tcd_t * l_tcd = 00;
12889 opj_cp_t * l_cp = 00;
12890
12891 l_tcd = p_j2k->m_tcd;
12892 l_cp = &(p_j2k->m_cp);
12893 l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
12894
12895 /*Get number of tile parts*/
12896 tot_num_tp = opj_j2k_get_num_tp(cp: l_cp, pino: 0, tileno: p_j2k->m_current_tile_number);
12897
12898 /* start writing remaining tile parts */
12899 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
12900 for (tilepartno = 1; tilepartno < tot_num_tp ; ++tilepartno) {
12901 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
12902 l_current_nb_bytes_written = 0;
12903 l_part_tile_size = 0;
12904 l_begin_data = p_data;
12905
12906 if (! opj_j2k_write_sot(p_j2k, p_data,
12907 total_data_size,
12908 p_data_written: &l_current_nb_bytes_written,
12909 p_stream,
12910 p_manager)) {
12911 return OPJ_FALSE;
12912 }
12913
12914 l_nb_bytes_written += l_current_nb_bytes_written;
12915 p_data += l_current_nb_bytes_written;
12916 total_data_size -= l_current_nb_bytes_written;
12917 l_part_tile_size += l_current_nb_bytes_written;
12918
12919 l_current_nb_bytes_written = 0;
12920 if (! opj_j2k_write_sod(p_j2k, p_tile_coder: l_tcd, p_data, p_data_written: &l_current_nb_bytes_written,
12921 total_data_size, p_stream, p_manager)) {
12922 return OPJ_FALSE;
12923 }
12924
12925 p_data += l_current_nb_bytes_written;
12926 l_nb_bytes_written += l_current_nb_bytes_written;
12927 total_data_size -= l_current_nb_bytes_written;
12928 l_part_tile_size += l_current_nb_bytes_written;
12929
12930 /* Writing Psot in SOT marker */
12931 opj_write_bytes(p_buffer: l_begin_data + 6, p_value: l_part_tile_size,
12932 p_nb_bytes: 4); /* PSOT */
12933
12934 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12935 opj_j2k_update_tlm(p_j2k, p_tile_part_size: l_part_tile_size);
12936 }
12937
12938 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
12939 }
12940
12941 for (pino = 1; pino <= l_tcp->numpocs; ++pino) {
12942 l_tcd->cur_pino = pino;
12943
12944 /*Get number of tile parts*/
12945 tot_num_tp = opj_j2k_get_num_tp(cp: l_cp, pino, tileno: p_j2k->m_current_tile_number);
12946 for (tilepartno = 0; tilepartno < tot_num_tp ; ++tilepartno) {
12947 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
12948 l_current_nb_bytes_written = 0;
12949 l_part_tile_size = 0;
12950 l_begin_data = p_data;
12951
12952 if (! opj_j2k_write_sot(p_j2k, p_data,
12953 total_data_size,
12954 p_data_written: &l_current_nb_bytes_written, p_stream,
12955 p_manager)) {
12956 return OPJ_FALSE;
12957 }
12958
12959 l_nb_bytes_written += l_current_nb_bytes_written;
12960 p_data += l_current_nb_bytes_written;
12961 total_data_size -= l_current_nb_bytes_written;
12962 l_part_tile_size += l_current_nb_bytes_written;
12963
12964 l_current_nb_bytes_written = 0;
12965
12966 if (! opj_j2k_write_sod(p_j2k, p_tile_coder: l_tcd, p_data, p_data_written: &l_current_nb_bytes_written,
12967 total_data_size, p_stream, p_manager)) {
12968 return OPJ_FALSE;
12969 }
12970
12971 l_nb_bytes_written += l_current_nb_bytes_written;
12972 p_data += l_current_nb_bytes_written;
12973 total_data_size -= l_current_nb_bytes_written;
12974 l_part_tile_size += l_current_nb_bytes_written;
12975
12976 /* Writing Psot in SOT marker */
12977 opj_write_bytes(p_buffer: l_begin_data + 6, p_value: l_part_tile_size,
12978 p_nb_bytes: 4); /* PSOT */
12979
12980 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12981 opj_j2k_update_tlm(p_j2k, p_tile_part_size: l_part_tile_size);
12982 }
12983
12984 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
12985 }
12986 }
12987
12988 *p_data_written = l_nb_bytes_written;
12989
12990 return OPJ_TRUE;
12991}
12992
12993static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
12994 struct opj_stream_private *p_stream,
12995 struct opj_event_mgr * p_manager)
12996{
12997 OPJ_UINT32 l_tlm_size;
12998 OPJ_OFF_T l_tlm_position, l_current_position;
12999 OPJ_UINT32 size_per_tile_part;
13000
13001 /* preconditions */
13002 assert(p_j2k != 00);
13003 assert(p_manager != 00);
13004 assert(p_stream != 00);
13005
13006 size_per_tile_part = p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte ? 5 : 6;
13007 l_tlm_size = size_per_tile_part *
13008 p_j2k->m_specific_param.m_encoder.m_total_tile_parts;
13009 l_tlm_position = 6 + p_j2k->m_specific_param.m_encoder.m_tlm_start;
13010 l_current_position = opj_stream_tell(p_stream);
13011
13012 if (! opj_stream_seek(p_stream, p_size: l_tlm_position, p_event_mgr: p_manager)) {
13013 return OPJ_FALSE;
13014 }
13015
13016 if (opj_stream_write_data(p_stream,
13017 p_buffer: p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer, p_size: l_tlm_size,
13018 p_event_mgr: p_manager) != l_tlm_size) {
13019 return OPJ_FALSE;
13020 }
13021
13022 if (! opj_stream_seek(p_stream, p_size: l_current_position, p_event_mgr: p_manager)) {
13023 return OPJ_FALSE;
13024 }
13025
13026 return OPJ_TRUE;
13027}
13028
13029static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
13030 struct opj_stream_private *p_stream,
13031 struct opj_event_mgr * p_manager)
13032{
13033 /* preconditions */
13034 assert(p_j2k != 00);
13035 assert(p_manager != 00);
13036 assert(p_stream != 00);
13037
13038 OPJ_UNUSED(p_stream);
13039 OPJ_UNUSED(p_manager);
13040
13041 opj_tcd_destroy(tcd: p_j2k->m_tcd);
13042 p_j2k->m_tcd = 00;
13043
13044 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
13045 opj_free(m: p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
13046 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 0;
13047 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 0;
13048 }
13049
13050 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
13051 opj_free(m: p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
13052 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 0;
13053 }
13054
13055 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = 0;
13056
13057 return OPJ_TRUE;
13058}
13059
13060/**
13061 * Destroys the memory associated with the decoding of headers.
13062 */
13063static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
13064 opj_stream_private_t *p_stream,
13065 opj_event_mgr_t * p_manager
13066 )
13067{
13068 /* preconditions */
13069 assert(p_j2k != 00);
13070 assert(p_stream != 00);
13071 assert(p_manager != 00);
13072
13073 OPJ_UNUSED(p_stream);
13074 OPJ_UNUSED(p_manager);
13075
13076 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
13077 opj_free(m: p_j2k->m_specific_param.m_encoder.m_header_tile_data);
13078 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 0;
13079 }
13080
13081 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
13082
13083 return OPJ_TRUE;
13084}
13085
13086static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
13087 struct opj_stream_private *p_stream,
13088 struct opj_event_mgr * p_manager)
13089{
13090 opj_codestream_info_t * l_cstr_info = 00;
13091
13092 /* preconditions */
13093 assert(p_j2k != 00);
13094 assert(p_manager != 00);
13095 assert(p_stream != 00);
13096 (void)l_cstr_info;
13097
13098 OPJ_UNUSED(p_stream);
13099
13100 /* TODO mergeV2: check this part which use cstr_info */
13101 /*l_cstr_info = p_j2k->cstr_info;
13102
13103 if (l_cstr_info) {
13104 OPJ_UINT32 compno;
13105 l_cstr_info->tile = (opj_tile_info_t *) opj_malloc(p_j2k->m_cp.tw * p_j2k->m_cp.th * sizeof(opj_tile_info_t));
13106
13107 l_cstr_info->image_w = p_j2k->m_image->x1 - p_j2k->m_image->x0;
13108 l_cstr_info->image_h = p_j2k->m_image->y1 - p_j2k->m_image->y0;
13109
13110 l_cstr_info->prog = (&p_j2k->m_cp.tcps[0])->prg;
13111
13112 l_cstr_info->tw = p_j2k->m_cp.tw;
13113 l_cstr_info->th = p_j2k->m_cp.th;
13114
13115 l_cstr_info->tile_x = p_j2k->m_cp.tdx;*/ /* new version parser */
13116 /*l_cstr_info->tile_y = p_j2k->m_cp.tdy;*/ /* new version parser */
13117 /*l_cstr_info->tile_Ox = p_j2k->m_cp.tx0;*/ /* new version parser */
13118 /*l_cstr_info->tile_Oy = p_j2k->m_cp.ty0;*/ /* new version parser */
13119
13120 /*l_cstr_info->numcomps = p_j2k->m_image->numcomps;
13121
13122 l_cstr_info->numlayers = (&p_j2k->m_cp.tcps[0])->numlayers;
13123
13124 l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(p_j2k->m_image->numcomps * sizeof(OPJ_INT32));
13125
13126 for (compno=0; compno < p_j2k->m_image->numcomps; compno++) {
13127 l_cstr_info->numdecompos[compno] = (&p_j2k->m_cp.tcps[0])->tccps->numresolutions - 1;
13128 }
13129
13130 l_cstr_info->D_max = 0.0; */ /* ADD Marcela */
13131
13132 /*l_cstr_info->main_head_start = opj_stream_tell(p_stream);*/ /* position of SOC */
13133
13134 /*l_cstr_info->maxmarknum = 100;
13135 l_cstr_info->marker = (opj_marker_info_t *) opj_malloc(l_cstr_info->maxmarknum * sizeof(opj_marker_info_t));
13136 l_cstr_info->marknum = 0;
13137 }*/
13138
13139 return opj_j2k_calculate_tp(p_j2k, cp: &(p_j2k->m_cp),
13140 p_nb_tiles: &p_j2k->m_specific_param.m_encoder.m_total_tile_parts, image: p_j2k->m_private_image,
13141 p_manager);
13142}
13143
13144/**
13145 * Creates a tile-coder encoder.
13146 *
13147 * @param p_stream the stream to write data to.
13148 * @param p_j2k J2K codec.
13149 * @param p_manager the user event manager.
13150*/
13151static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
13152 opj_stream_private_t *p_stream,
13153 opj_event_mgr_t * p_manager
13154 )
13155{
13156 /* preconditions */
13157 assert(p_j2k != 00);
13158 assert(p_manager != 00);
13159 assert(p_stream != 00);
13160
13161 OPJ_UNUSED(p_stream);
13162
13163 p_j2k->m_tcd = opj_tcd_create(OPJ_FALSE);
13164
13165 if (! p_j2k->m_tcd) {
13166 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Not enough memory to create Tile Coder\n");
13167 return OPJ_FALSE;
13168 }
13169
13170 if (!opj_tcd_init(p_tcd: p_j2k->m_tcd, p_image: p_j2k->m_private_image, p_cp: &p_j2k->m_cp,
13171 p_tp: p_j2k->m_tp)) {
13172 opj_tcd_destroy(tcd: p_j2k->m_tcd);
13173 p_j2k->m_tcd = 00;
13174 return OPJ_FALSE;
13175 }
13176
13177 return OPJ_TRUE;
13178}
13179
13180OPJ_BOOL opj_j2k_write_tile(opj_j2k_t * p_j2k,
13181 OPJ_UINT32 p_tile_index,
13182 OPJ_BYTE * p_data,
13183 OPJ_UINT32 p_data_size,
13184 opj_stream_private_t *p_stream,
13185 opj_event_mgr_t * p_manager)
13186{
13187 if (! opj_j2k_pre_write_tile(p_j2k, p_tile_index, p_stream, p_manager)) {
13188 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
13189 fmt: "Error while opj_j2k_pre_write_tile with tile index = %d\n", p_tile_index);
13190 return OPJ_FALSE;
13191 } else {
13192 OPJ_UINT32 j;
13193 /* Allocate data */
13194 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
13195 opj_tcd_tilecomp_t* l_tilec = p_j2k->m_tcd->tcd_image->tiles->comps + j;
13196
13197 if (! opj_alloc_tile_component_data(l_tilec)) {
13198 opj_event_msg(event_mgr: p_manager, EVT_ERROR, fmt: "Error allocating tile component data.");
13199 return OPJ_FALSE;
13200 }
13201 }
13202
13203 /* now copy data into the tile component */
13204 if (! opj_tcd_copy_tile_data(p_tcd: p_j2k->m_tcd, p_src: p_data, p_src_length: p_data_size)) {
13205 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
13206 fmt: "Size mismatch between tile data and sent data.");
13207 return OPJ_FALSE;
13208 }
13209 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
13210 opj_event_msg(event_mgr: p_manager, EVT_ERROR,
13211 fmt: "Error while opj_j2k_post_write_tile with tile index = %d\n", p_tile_index);
13212 return OPJ_FALSE;
13213 }
13214 }
13215
13216 return OPJ_TRUE;
13217}
13218

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source code of opencv/3rdparty/openjpeg/openjp2/j2k.c