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 */
55 static 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 */
61 static 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 */
74 static 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 */
87 static 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 */
95 static 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 */
102 static 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 */
109 static 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 */
121 static 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 */
128 static 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 */
134 static 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 */
145 static 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 */
159 static 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 */
171 static 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 */
179 static 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 */
186 static 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 */
197 static 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 */
205 static 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 */
212 static 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 */
219 static 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 */
231 static 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 */
246 static 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 */
262 static 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 */
274 static 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 */
289 static 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 */
303 static 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 */
318 static 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 */
328 static 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 */
340 static 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 */
351 static 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 */
358 static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k);
359
360 /**
361 * Reads the tiles.
362 */
363 static 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
367 static 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
372 static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
373 opj_image_t* p_output_image);
374
375 static 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
387 static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data);
388
389 static 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 */
397 static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
398 opj_event_mgr_t * p_manager);
399
400 static 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
407 static 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 */
421 static 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
425 static 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 */
440 static 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 */
450 static 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 */
461 static 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 */
472 static 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 */
484 static 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 */
495 static 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 */
506 static 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 */
517 static 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 */
531 static 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 */
542 static 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 */
556 static 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 */
567 static 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 */
576 static 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 */
588 static 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 */
599 static 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 */
613 static 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 */
624 static 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 */
638 static 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 */
647 static 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 */
656 static 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 */
667 static 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 */
678 static 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 */
685 static 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 */
695 static 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 */
703 static 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 */
710 static 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 */
720 static 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 */
732 static 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 */
744 static 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 */
756 static 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 */
768 static 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
782 static 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 */
794 static 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 */
804 static 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 */
815 static 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 */
826 static 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 */
840 static 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 */
860 static 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 */
875 static 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 */
892 static 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 */
907 static 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
opj_j2k_update_tlm(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_part_size)911 static 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_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
915 p_j2k->m_current_tile_number, 1);
916 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 1;
917 } else {
918 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
919 p_j2k->m_current_tile_number, 2);
920 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 2;
921 }
922
923 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
924 p_tile_part_size, 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 */
938 static 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 */
953 static 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 */
965 static 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 */
977 static 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 */
989 static 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 */
1000 static 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 /**
1005 Add 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 */
1011 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
1012 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) ;
1013 /**
1014 Add 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 */
1021 static 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 */
1035 static 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 */
1048 static 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 */
1061 static 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 */
1074 static 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 */
1087 static 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 */
1099 static 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 */
1111 static 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
1116 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
1117 OPJ_UINT32 p_index);
1118
1119 static void opj_j2k_read_int16_to_float(const void * p_src_data,
1120 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1121 static void opj_j2k_read_int32_to_float(const void * p_src_data,
1122 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1123 static void opj_j2k_read_float32_to_float(const void * p_src_data,
1124 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1125 static void opj_j2k_read_float64_to_float(const void * p_src_data,
1126 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1127
1128 static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1129 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1130 static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1131 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1132 static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1133 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1134 static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1135 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1136
1137 static void opj_j2k_write_float_to_int16(const void * p_src_data,
1138 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1139 static void opj_j2k_write_float_to_int32(const void * p_src_data,
1140 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1141 static void opj_j2k_write_float_to_float(const void * p_src_data,
1142 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1143 static 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 */
1153 static 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 */
1164 static 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 */
1175 static 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 */
1189 static 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 */
1201 static 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 */
1214 static 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 */
1225 static 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 */
1236 static 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 */
1247 static 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 */
1265 static 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 */
1282 static 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 */
1297 static 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
1303 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream);
1304
1305 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream);
1306
1307 static opj_codestream_index_t* opj_j2k_create_cstr_index(void);
1308
1309 static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp);
1310
1311 static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp);
1312
1313 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres);
1314
1315 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
1316 opj_image_t *image, opj_event_mgr_t *p_manager);
1317
1318 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
1319 opj_event_mgr_t *p_manager);
1320
1321 static void opj_j2k_set_imf_parameters(opj_cparameters_t *parameters,
1322 opj_image_t *image, opj_event_mgr_t *p_manager);
1323
1324 static 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 */
1338 static 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 /* ----------------------------------------------------------------------- */
1347 typedef struct j2k_prog_order {
1348 OPJ_PROG_ORDER enum_prog;
1349 char str_prog[5];
1350 } j2k_prog_order_t;
1351
1352 static 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 */
1364 static const OPJ_UINT32 MCT_ELEMENT_SIZE [] = {
1365 2,
1366 4,
1367 4,
1368 8
1369 };
1370
1371 typedef void (* opj_j2k_mct_function)(const void * p_src_data,
1372 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1373
1374 static 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
1381 static 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
1388 static 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
1395 typedef 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 }
1406 opj_dec_memory_marker_handler_t;
1407
1408 static 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
opj_j2k_read_int16_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1447 static 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(l_src_data, &l_temp, 2);
1457
1458 l_src_data += sizeof(OPJ_INT16);
1459
1460 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1461 }
1462 }
1463
opj_j2k_read_int32_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1464 static 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(l_src_data, &l_temp, 4);
1474
1475 l_src_data += sizeof(OPJ_INT32);
1476
1477 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1478 }
1479 }
1480
opj_j2k_read_float32_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1481 static 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(l_src_data, &l_temp);
1491
1492 l_src_data += sizeof(OPJ_FLOAT32);
1493
1494 *(l_dest_data++) = l_temp;
1495 }
1496 }
1497
opj_j2k_read_float64_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1498 static 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(l_src_data, &l_temp);
1508
1509 l_src_data += sizeof(OPJ_FLOAT64);
1510
1511 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1512 }
1513 }
1514
opj_j2k_read_int16_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1515 static 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(l_src_data, &l_temp, 2);
1525
1526 l_src_data += sizeof(OPJ_INT16);
1527
1528 *(l_dest_data++) = (OPJ_INT32) l_temp;
1529 }
1530 }
1531
opj_j2k_read_int32_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1532 static 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(l_src_data, &l_temp, 4);
1542
1543 l_src_data += sizeof(OPJ_INT32);
1544
1545 *(l_dest_data++) = (OPJ_INT32) l_temp;
1546 }
1547 }
1548
opj_j2k_read_float32_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1549 static 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(l_src_data, &l_temp);
1559
1560 l_src_data += sizeof(OPJ_FLOAT32);
1561
1562 *(l_dest_data++) = (OPJ_INT32) l_temp;
1563 }
1564 }
1565
opj_j2k_read_float64_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1566 static 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(l_src_data, &l_temp);
1576
1577 l_src_data += sizeof(OPJ_FLOAT64);
1578
1579 *(l_dest_data++) = (OPJ_INT32) l_temp;
1580 }
1581 }
1582
opj_j2k_write_float_to_int16(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1583 static 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(l_dest_data, l_temp, sizeof(OPJ_INT16));
1595
1596 l_dest_data += sizeof(OPJ_INT16);
1597 }
1598 }
1599
opj_j2k_write_float_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1600 static 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(l_dest_data, l_temp, sizeof(OPJ_INT32));
1612
1613 l_dest_data += sizeof(OPJ_INT32);
1614 }
1615 }
1616
opj_j2k_write_float_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1617 static 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(l_dest_data, l_temp);
1629
1630 l_dest_data += sizeof(OPJ_FLOAT32);
1631 }
1632 }
1633
opj_j2k_write_float_to_float64(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1634 static 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(l_dest_data, l_temp);
1646
1647 l_dest_data += sizeof(OPJ_FLOAT64);
1648 }
1649 }
1650
opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)1651 const 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
opj_j2k_check_poc_val(const opj_poc_t * p_pocs,OPJ_UINT32 tileno,OPJ_UINT32 p_nb_pocs,OPJ_UINT32 p_nb_resolutions,OPJ_UINT32 p_num_comps,OPJ_UINT32 p_num_layers,opj_event_mgr_t * p_manager)1662 static 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((size_t)step_l * p_num_layers,
1681 sizeof(OPJ_UINT32));
1682 if (packet_array == 00) {
1683 opj_event_msg(p_manager, EVT_ERROR,
1684 "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(poc->resno1, 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(poc->compno1, 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(poc->layno1, 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(p_manager, EVT_ERROR, "Missing packets possible loss of data\n");
1740 }
1741
1742 opj_free(packet_array);
1743
1744 return !loss;
1745 }
1746
1747 /* ----------------------------------------------------------------------- */
1748
opj_j2k_get_num_tp(opj_cp_t * cp,OPJ_UINT32 pino,OPJ_UINT32 tileno)1749 static 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(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
opj_j2k_calculate_tp(opj_j2k_t * p_j2k,opj_cp_t * cp,OPJ_UINT32 * p_nb_tiles,opj_image_t * image,opj_event_mgr_t * p_manager)1806 static 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(image, cp, 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
opj_j2k_write_soc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1887 static 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(l_start_stream, J2K_MS_SOC, 2);
1903
1904 if (opj_stream_write_data(p_stream, l_start_stream, 2, 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 */
opj_j2k_read_soc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1927 static 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, l_data, 2, p_manager) != 2) {
1941 return OPJ_FALSE;
1942 }
1943
1944 opj_read_bytes(l_data, &l_marker, 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(p_manager, EVT_INFO,
1956 "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(p_j2k->cstr_index, J2K_MS_SOC,
1961 p_j2k->cstr_index->main_head_start, 2)) {
1962 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
1963 return OPJ_FALSE;
1964 }
1965 return OPJ_TRUE;
1966 }
1967
opj_j2k_write_siz(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1968 static 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 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len);
1993 if (! new_header_tile_data) {
1994 opj_free(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(p_manager, EVT_ERROR, "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(l_current_ptr, J2K_MS_SIZ, 2); /* SIZ */
2008 l_current_ptr += 2;
2009
2010 opj_write_bytes(l_current_ptr, l_size_len - 2, 2); /* L_SIZ */
2011 l_current_ptr += 2;
2012
2013 opj_write_bytes(l_current_ptr, cp->rsiz, 2); /* Rsiz (capabilities) */
2014 l_current_ptr += 2;
2015
2016 opj_write_bytes(l_current_ptr, l_image->x1, 4); /* Xsiz */
2017 l_current_ptr += 4;
2018
2019 opj_write_bytes(l_current_ptr, l_image->y1, 4); /* Ysiz */
2020 l_current_ptr += 4;
2021
2022 opj_write_bytes(l_current_ptr, l_image->x0, 4); /* X0siz */
2023 l_current_ptr += 4;
2024
2025 opj_write_bytes(l_current_ptr, l_image->y0, 4); /* Y0siz */
2026 l_current_ptr += 4;
2027
2028 opj_write_bytes(l_current_ptr, cp->tdx, 4); /* XTsiz */
2029 l_current_ptr += 4;
2030
2031 opj_write_bytes(l_current_ptr, cp->tdy, 4); /* YTsiz */
2032 l_current_ptr += 4;
2033
2034 opj_write_bytes(l_current_ptr, cp->tx0, 4); /* XT0siz */
2035 l_current_ptr += 4;
2036
2037 opj_write_bytes(l_current_ptr, cp->ty0, 4); /* YT0siz */
2038 l_current_ptr += 4;
2039
2040 opj_write_bytes(l_current_ptr, l_image->numcomps, 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(l_current_ptr, l_img_comp->prec - 1 + (l_img_comp->sgnd << 7),
2046 1); /* Ssiz_i */
2047 ++l_current_ptr;
2048
2049 opj_write_bytes(l_current_ptr, l_img_comp->dx, 1); /* XRsiz_i */
2050 ++l_current_ptr;
2051
2052 opj_write_bytes(l_current_ptr, l_img_comp->dy, 1); /* YRsiz_i */
2053 ++l_current_ptr;
2054
2055 ++l_img_comp;
2056 }
2057
2058 if (opj_stream_write_data(p_stream,
2059 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len,
2060 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 */
opj_j2k_read_siz(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)2074 static 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(p_manager, EVT_ERROR, "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(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
2111 return OPJ_FALSE;
2112 }
2113
2114 opj_read_bytes(p_header_data, &l_tmp,
2115 2); /* Rsiz (capabilities) */
2116 p_header_data += 2;
2117 l_cp->rsiz = (OPJ_UINT16) l_tmp;
2118 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x1, 4); /* Xsiz */
2119 p_header_data += 4;
2120 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y1, 4); /* Ysiz */
2121 p_header_data += 4;
2122 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x0, 4); /* X0siz */
2123 p_header_data += 4;
2124 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y0, 4); /* Y0siz */
2125 p_header_data += 4;
2126 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdx,
2127 4); /* XTsiz */
2128 p_header_data += 4;
2129 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdy,
2130 4); /* YTsiz */
2131 p_header_data += 4;
2132 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tx0,
2133 4); /* XT0siz */
2134 p_header_data += 4;
2135 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->ty0,
2136 4); /* YT0siz */
2137 p_header_data += 4;
2138 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_tmp,
2139 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(p_manager, EVT_ERROR,
2145 "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(p_manager, EVT_ERROR,
2151 "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(p_manager, EVT_ERROR,
2160 "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(p_manager, EVT_ERROR,
2168 "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(l_cp->tx0, l_cp->tdx); /* manage overflow */
2175 l_ty1 = opj_uint_adds(l_cp->ty0, 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(p_manager, EVT_ERROR,
2179 "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(p_manager, EVT_ERROR,
2191 "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(l_image->numcomps,
2240 sizeof(opj_image_comp_t));
2241 if (l_image->comps == 00) {
2242 l_image->numcomps = 0;
2243 opj_event_msg(p_manager, EVT_ERROR,
2244 "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_header_data, &tmp, 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(p_manager, EVT_WARNING,
2267 "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_header_data, &tmp, 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_header_data, &tmp, 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(p_manager, EVT_ERROR,
2282 "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(p_manager, EVT_ERROR,
2291 "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(l_image->x1 - l_cp->tx0, l_cp->tdx);
2337 l_cp->th = opj_uint_ceildiv(l_image->y1 - l_cp->ty0, 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(p_manager, EVT_ERROR,
2342 "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 p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0, l_cp->tdx);
2356 p_j2k->m_specific_param.m_decoder.m_end_tile_y = opj_uint_ceildiv(
2357 p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0, l_cp->tdy);
2358 } else {
2359 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
2360 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
2361 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
2362 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
2363 }
2364
2365 #ifdef USE_JPWL
2366 if (l_cp->correct) {
2367 /* if JPWL is on, we check whether TX errors have damaged
2368 too much the SIZ parameters */
2369 if ((l_cp->tw < 1) || (l_cp->th < 1) || (l_cp->tw > l_cp->max_tiles) ||
2370 (l_cp->th > l_cp->max_tiles)) {
2371 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2372 "JPWL: bad number of tiles (%d x %d)\n",
2373 l_cp->tw, l_cp->th);
2374 if (!JPWL_ASSUME) {
2375 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2376 return OPJ_FALSE;
2377 }
2378 /* we try to correct */
2379 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2380 if (l_cp->tw < 1) {
2381 l_cp->tw = 1;
2382 opj_event_msg(p_manager, EVT_WARNING,
2383 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2384 l_cp->tw);
2385 }
2386 if (l_cp->tw > l_cp->max_tiles) {
2387 l_cp->tw = 1;
2388 opj_event_msg(p_manager, EVT_WARNING,
2389 "- too large x, increase expectance of %d\n"
2390 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2391 l_cp->max_tiles, l_cp->tw);
2392 }
2393 if (l_cp->th < 1) {
2394 l_cp->th = 1;
2395 opj_event_msg(p_manager, EVT_WARNING,
2396 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2397 l_cp->th);
2398 }
2399 if (l_cp->th > l_cp->max_tiles) {
2400 l_cp->th = 1;
2401 opj_event_msg(p_manager, EVT_WARNING,
2402 "- too large y, increase expectance of %d to continue\n",
2403 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2404 l_cp->max_tiles, l_cp->th);
2405 }
2406 }
2407 }
2408 #endif /* USE_JPWL */
2409
2410 /* memory allocations */
2411 l_cp->tcps = (opj_tcp_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_t));
2412 if (l_cp->tcps == 00) {
2413 opj_event_msg(p_manager, EVT_ERROR,
2414 "Not enough memory to take in charge SIZ marker\n");
2415 return OPJ_FALSE;
2416 }
2417
2418 #ifdef USE_JPWL
2419 if (l_cp->correct) {
2420 if (!l_cp->tcps) {
2421 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2422 "JPWL: could not alloc tcps field of cp\n");
2423 if (!JPWL_ASSUME) {
2424 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2425 return OPJ_FALSE;
2426 }
2427 }
2428 }
2429 #endif /* USE_JPWL */
2430
2431 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps =
2432 (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t));
2433 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps == 00) {
2434 opj_event_msg(p_manager, EVT_ERROR,
2435 "Not enough memory to take in charge SIZ marker\n");
2436 return OPJ_FALSE;
2437 }
2438
2439 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records =
2440 (opj_mct_data_t*)opj_calloc(OPJ_J2K_MCT_DEFAULT_NB_RECORDS,
2441 sizeof(opj_mct_data_t));
2442
2443 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records) {
2444 opj_event_msg(p_manager, EVT_ERROR,
2445 "Not enough memory to take in charge SIZ marker\n");
2446 return OPJ_FALSE;
2447 }
2448 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records =
2449 OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
2450
2451 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records =
2452 (opj_simple_mcc_decorrelation_data_t*)
2453 opj_calloc(OPJ_J2K_MCC_DEFAULT_NB_RECORDS,
2454 sizeof(opj_simple_mcc_decorrelation_data_t));
2455
2456 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records) {
2457 opj_event_msg(p_manager, EVT_ERROR,
2458 "Not enough memory to take in charge SIZ marker\n");
2459 return OPJ_FALSE;
2460 }
2461 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records =
2462 OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
2463
2464 /* set up default dc level shift */
2465 for (i = 0; i < l_image->numcomps; ++i) {
2466 if (! l_image->comps[i].sgnd) {
2467 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2468 << (l_image->comps[i].prec - 1);
2469 }
2470 }
2471
2472 l_current_tile_param = l_cp->tcps;
2473 for (i = 0; i < l_nb_tiles; ++i) {
2474 l_current_tile_param->tccps = (opj_tccp_t*) opj_calloc(l_image->numcomps,
2475 sizeof(opj_tccp_t));
2476 if (l_current_tile_param->tccps == 00) {
2477 opj_event_msg(p_manager, EVT_ERROR,
2478 "Not enough memory to take in charge SIZ marker\n");
2479 return OPJ_FALSE;
2480 }
2481
2482 ++l_current_tile_param;
2483 }
2484
2485 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MH;
2486 opj_image_comp_header_update(l_image, l_cp);
2487
2488 return OPJ_TRUE;
2489 }
2490
opj_j2k_write_com(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2491 static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
2492 opj_stream_private_t *p_stream,
2493 opj_event_mgr_t * p_manager
2494 )
2495 {
2496 OPJ_UINT32 l_comment_size;
2497 OPJ_UINT32 l_total_com_size;
2498 const OPJ_CHAR *l_comment;
2499 OPJ_BYTE * l_current_ptr = 00;
2500
2501 /* preconditions */
2502 assert(p_j2k != 00);
2503 assert(p_stream != 00);
2504 assert(p_manager != 00);
2505
2506 l_comment = p_j2k->m_cp.comment;
2507 l_comment_size = (OPJ_UINT32)strlen(l_comment);
2508 l_total_com_size = l_comment_size + 6;
2509
2510 if (l_total_com_size >
2511 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2512 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2513 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size);
2514 if (! new_header_tile_data) {
2515 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2516 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2517 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2518 opj_event_msg(p_manager, EVT_ERROR,
2519 "Not enough memory to write the COM marker\n");
2520 return OPJ_FALSE;
2521 }
2522 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2523 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_total_com_size;
2524 }
2525
2526 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2527
2528 opj_write_bytes(l_current_ptr, J2K_MS_COM, 2); /* COM */
2529 l_current_ptr += 2;
2530
2531 opj_write_bytes(l_current_ptr, l_total_com_size - 2, 2); /* L_COM */
2532 l_current_ptr += 2;
2533
2534 opj_write_bytes(l_current_ptr, 1,
2535 2); /* General use (IS 8859-15:1999 (Latin) values) */
2536 l_current_ptr += 2;
2537
2538 memcpy(l_current_ptr, l_comment, l_comment_size);
2539
2540 if (opj_stream_write_data(p_stream,
2541 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size,
2542 p_manager) != l_total_com_size) {
2543 return OPJ_FALSE;
2544 }
2545
2546 return OPJ_TRUE;
2547 }
2548
2549 /**
2550 * Reads a COM marker (comments)
2551 * @param p_j2k the jpeg2000 file codec.
2552 * @param p_header_data the data contained in the COM box.
2553 * @param p_header_size the size of the data contained in the COM marker.
2554 * @param p_manager the user event manager.
2555 */
opj_j2k_read_com(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)2556 static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
2557 OPJ_BYTE * p_header_data,
2558 OPJ_UINT32 p_header_size,
2559 opj_event_mgr_t * p_manager
2560 )
2561 {
2562 /* preconditions */
2563 assert(p_j2k != 00);
2564 assert(p_manager != 00);
2565 assert(p_header_data != 00);
2566
2567 OPJ_UNUSED(p_j2k);
2568 OPJ_UNUSED(p_header_data);
2569 OPJ_UNUSED(p_header_size);
2570 OPJ_UNUSED(p_manager);
2571
2572 return OPJ_TRUE;
2573 }
2574
opj_j2k_write_cod(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2575 static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
2576 opj_stream_private_t *p_stream,
2577 opj_event_mgr_t * p_manager)
2578 {
2579 opj_cp_t *l_cp = 00;
2580 opj_tcp_t *l_tcp = 00;
2581 OPJ_UINT32 l_code_size, l_remaining_size;
2582 OPJ_BYTE * l_current_data = 00;
2583
2584 /* preconditions */
2585 assert(p_j2k != 00);
2586 assert(p_manager != 00);
2587 assert(p_stream != 00);
2588
2589 l_cp = &(p_j2k->m_cp);
2590 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2591 l_code_size = 9 + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2592 p_j2k->m_current_tile_number, 0);
2593 l_remaining_size = l_code_size;
2594
2595 if (l_code_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2596 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2597 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size);
2598 if (! new_header_tile_data) {
2599 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2600 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2601 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2602 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COD marker\n");
2603 return OPJ_FALSE;
2604 }
2605 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2606 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_code_size;
2607 }
2608
2609 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2610
2611 opj_write_bytes(l_current_data, J2K_MS_COD, 2); /* COD */
2612 l_current_data += 2;
2613
2614 opj_write_bytes(l_current_data, l_code_size - 2, 2); /* L_COD */
2615 l_current_data += 2;
2616
2617 opj_write_bytes(l_current_data, l_tcp->csty, 1); /* Scod */
2618 ++l_current_data;
2619
2620 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tcp->prg, 1); /* SGcod (A) */
2621 ++l_current_data;
2622
2623 opj_write_bytes(l_current_data, l_tcp->numlayers, 2); /* SGcod (B) */
2624 l_current_data += 2;
2625
2626 opj_write_bytes(l_current_data, l_tcp->mct, 1); /* SGcod (C) */
2627 ++l_current_data;
2628
2629 l_remaining_size -= 9;
2630
2631 if (! opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
2632 l_current_data, &l_remaining_size, p_manager)) {
2633 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2634 return OPJ_FALSE;
2635 }
2636
2637 if (l_remaining_size != 0) {
2638 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2639 return OPJ_FALSE;
2640 }
2641
2642 if (opj_stream_write_data(p_stream,
2643 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size,
2644 p_manager) != l_code_size) {
2645 return OPJ_FALSE;
2646 }
2647
2648 return OPJ_TRUE;
2649 }
2650
2651 /**
2652 * Reads a COD marker (Coding style defaults)
2653 * @param p_header_data the data contained in the COD box.
2654 * @param p_j2k the jpeg2000 codec.
2655 * @param p_header_size the size of the data contained in the COD marker.
2656 * @param p_manager the user event manager.
2657 */
opj_j2k_read_cod(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)2658 static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
2659 OPJ_BYTE * p_header_data,
2660 OPJ_UINT32 p_header_size,
2661 opj_event_mgr_t * p_manager
2662 )
2663 {
2664 /* loop */
2665 OPJ_UINT32 i;
2666 OPJ_UINT32 l_tmp;
2667 opj_cp_t *l_cp = 00;
2668 opj_tcp_t *l_tcp = 00;
2669 opj_image_t *l_image = 00;
2670
2671 /* preconditions */
2672 assert(p_header_data != 00);
2673 assert(p_j2k != 00);
2674 assert(p_manager != 00);
2675
2676 l_image = p_j2k->m_private_image;
2677 l_cp = &(p_j2k->m_cp);
2678
2679 /* If we are in the first tile-part header of the current tile */
2680 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
2681 &l_cp->tcps[p_j2k->m_current_tile_number] :
2682 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2683
2684 #if 0
2685 /* This check was added per https://github.com/uclouvain/openjpeg/commit/daed8cc9195555e101ab708a501af2dfe6d5e001 */
2686 /* but this is no longer necessary to handle issue476.jp2 */
2687 /* and this actually cause issues on legit files. See https://github.com/uclouvain/openjpeg/issues/1043 */
2688 /* Only one COD per tile */
2689 if (l_tcp->cod) {
2690 opj_event_msg(p_manager, EVT_ERROR,
2691 "COD marker already read. No more than one COD marker per tile.\n");
2692 return OPJ_FALSE;
2693 }
2694 #endif
2695 l_tcp->cod = 1;
2696
2697 /* Make sure room is sufficient */
2698 if (p_header_size < 5) {
2699 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2700 return OPJ_FALSE;
2701 }
2702
2703 opj_read_bytes(p_header_data, &l_tcp->csty, 1); /* Scod */
2704 ++p_header_data;
2705 /* Make sure we know how to decode this */
2706 if ((l_tcp->csty & ~(OPJ_UINT32)(J2K_CP_CSTY_PRT | J2K_CP_CSTY_SOP |
2707 J2K_CP_CSTY_EPH)) != 0U) {
2708 opj_event_msg(p_manager, EVT_ERROR, "Unknown Scod value in COD marker\n");
2709 return OPJ_FALSE;
2710 }
2711 opj_read_bytes(p_header_data, &l_tmp, 1); /* SGcod (A) */
2712 ++p_header_data;
2713 l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;
2714 /* Make sure progression order is valid */
2715 if (l_tcp->prg > OPJ_CPRL) {
2716 opj_event_msg(p_manager, EVT_ERROR,
2717 "Unknown progression order in COD marker\n");
2718 l_tcp->prg = OPJ_PROG_UNKNOWN;
2719 }
2720 opj_read_bytes(p_header_data, &l_tcp->numlayers, 2); /* SGcod (B) */
2721 p_header_data += 2;
2722
2723 if ((l_tcp->numlayers < 1U) || (l_tcp->numlayers > 65535U)) {
2724 opj_event_msg(p_manager, EVT_ERROR,
2725 "Invalid number of layers in COD marker : %d not in range [1-65535]\n",
2726 l_tcp->numlayers);
2727 return OPJ_FALSE;
2728 }
2729
2730 /* If user didn't set a number layer to decode take the max specify in the codestream. */
2731 if (l_cp->m_specific_param.m_dec.m_layer) {
2732 l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer;
2733 } else {
2734 l_tcp->num_layers_to_decode = l_tcp->numlayers;
2735 }
2736
2737 opj_read_bytes(p_header_data, &l_tcp->mct, 1); /* SGcod (C) */
2738 ++p_header_data;
2739
2740 if (l_tcp->mct > 1) {
2741 opj_event_msg(p_manager, EVT_ERROR,
2742 "Invalid multiple component transformation\n");
2743 return OPJ_FALSE;
2744 }
2745
2746 p_header_size -= 5;
2747 for (i = 0; i < l_image->numcomps; ++i) {
2748 l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT;
2749 }
2750
2751 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, 0, p_header_data, &p_header_size,
2752 p_manager)) {
2753 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2754 return OPJ_FALSE;
2755 }
2756
2757 if (p_header_size != 0) {
2758 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2759 return OPJ_FALSE;
2760 }
2761
2762 /* Apply the coding style to other components of the current tile or the m_default_tcp*/
2763 opj_j2k_copy_tile_component_parameters(p_j2k);
2764
2765 /* Index */
2766 #ifdef WIP_REMOVE_MSD
2767 if (p_j2k->cstr_info) {
2768 /*opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info;*/
2769 p_j2k->cstr_info->prog = l_tcp->prg;
2770 p_j2k->cstr_info->numlayers = l_tcp->numlayers;
2771 p_j2k->cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(
2772 l_image->numcomps * sizeof(OPJ_UINT32));
2773 if (!p_j2k->cstr_info->numdecompos) {
2774 return OPJ_FALSE;
2775 }
2776 for (i = 0; i < l_image->numcomps; ++i) {
2777 p_j2k->cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1;
2778 }
2779 }
2780 #endif
2781
2782 return OPJ_TRUE;
2783 }
2784
opj_j2k_write_coc(opj_j2k_t * p_j2k,OPJ_UINT32 p_comp_no,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2785 static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
2786 OPJ_UINT32 p_comp_no,
2787 opj_stream_private_t *p_stream,
2788 opj_event_mgr_t * p_manager)
2789 {
2790 OPJ_UINT32 l_coc_size, l_remaining_size;
2791 OPJ_UINT32 l_comp_room;
2792
2793 /* preconditions */
2794 assert(p_j2k != 00);
2795 assert(p_manager != 00);
2796 assert(p_stream != 00);
2797
2798 l_comp_room = (p_j2k->m_private_image->numcomps <= 256) ? 1 : 2;
2799
2800 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2801 p_j2k->m_current_tile_number, p_comp_no);
2802
2803 if (l_coc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2804 OPJ_BYTE *new_header_tile_data;
2805 /*p_j2k->m_specific_param.m_encoder.m_header_tile_data
2806 = (OPJ_BYTE*)opj_realloc(
2807 p_j2k->m_specific_param.m_encoder.m_header_tile_data,
2808 l_coc_size);*/
2809
2810 new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2811 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size);
2812 if (! new_header_tile_data) {
2813 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2814 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2815 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2816 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COC marker\n");
2817 return OPJ_FALSE;
2818 }
2819 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2820 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size;
2821 }
2822
2823 opj_j2k_write_coc_in_memory(p_j2k, p_comp_no,
2824 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
2825 p_manager);
2826
2827 if (opj_stream_write_data(p_stream,
2828 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size,
2829 p_manager) != l_coc_size) {
2830 return OPJ_FALSE;
2831 }
2832
2833 return OPJ_TRUE;
2834 }
2835
opj_j2k_compare_coc(opj_j2k_t * p_j2k,OPJ_UINT32 p_first_comp_no,OPJ_UINT32 p_second_comp_no)2836 static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
2837 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
2838 {
2839 opj_cp_t *l_cp = NULL;
2840 opj_tcp_t *l_tcp = NULL;
2841
2842 /* preconditions */
2843 assert(p_j2k != 00);
2844
2845 l_cp = &(p_j2k->m_cp);
2846 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2847
2848 if (l_tcp->tccps[p_first_comp_no].csty != l_tcp->tccps[p_second_comp_no].csty) {
2849 return OPJ_FALSE;
2850 }
2851
2852
2853 return opj_j2k_compare_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number,
2854 p_first_comp_no, p_second_comp_no);
2855 }
2856
opj_j2k_write_coc_in_memory(opj_j2k_t * p_j2k,OPJ_UINT32 p_comp_no,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,opj_event_mgr_t * p_manager)2857 static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
2858 OPJ_UINT32 p_comp_no,
2859 OPJ_BYTE * p_data,
2860 OPJ_UINT32 * p_data_written,
2861 opj_event_mgr_t * p_manager
2862 )
2863 {
2864 opj_cp_t *l_cp = 00;
2865 opj_tcp_t *l_tcp = 00;
2866 OPJ_UINT32 l_coc_size, l_remaining_size;
2867 OPJ_BYTE * l_current_data = 00;
2868 opj_image_t *l_image = 00;
2869 OPJ_UINT32 l_comp_room;
2870
2871 /* preconditions */
2872 assert(p_j2k != 00);
2873 assert(p_manager != 00);
2874
2875 l_cp = &(p_j2k->m_cp);
2876 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2877 l_image = p_j2k->m_private_image;
2878 l_comp_room = (l_image->numcomps <= 256) ? 1 : 2;
2879
2880 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2881 p_j2k->m_current_tile_number, p_comp_no);
2882 l_remaining_size = l_coc_size;
2883
2884 l_current_data = p_data;
2885
2886 opj_write_bytes(l_current_data, J2K_MS_COC,
2887 2); /* COC */
2888 l_current_data += 2;
2889
2890 opj_write_bytes(l_current_data, l_coc_size - 2,
2891 2); /* L_COC */
2892 l_current_data += 2;
2893
2894 opj_write_bytes(l_current_data, p_comp_no, l_comp_room); /* Ccoc */
2895 l_current_data += l_comp_room;
2896
2897 opj_write_bytes(l_current_data, l_tcp->tccps[p_comp_no].csty,
2898 1); /* Scoc */
2899 ++l_current_data;
2900
2901 l_remaining_size -= (5 + l_comp_room);
2902 opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
2903 l_current_data, &l_remaining_size, p_manager);
2904 * p_data_written = l_coc_size;
2905 }
2906
opj_j2k_get_max_coc_size(opj_j2k_t * p_j2k)2907 static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k)
2908 {
2909 OPJ_UINT32 i, j;
2910 OPJ_UINT32 l_nb_comp;
2911 OPJ_UINT32 l_nb_tiles;
2912 OPJ_UINT32 l_max = 0;
2913
2914 /* preconditions */
2915
2916 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
2917 l_nb_comp = p_j2k->m_private_image->numcomps;
2918
2919 for (i = 0; i < l_nb_tiles; ++i) {
2920 for (j = 0; j < l_nb_comp; ++j) {
2921 l_max = opj_uint_max(l_max, opj_j2k_get_SPCod_SPCoc_size(p_j2k, i, j));
2922 }
2923 }
2924
2925 return 6 + l_max;
2926 }
2927
2928 /**
2929 * Reads a COC marker (Coding Style Component)
2930 * @param p_header_data the data contained in the COC box.
2931 * @param p_j2k the jpeg2000 codec.
2932 * @param p_header_size the size of the data contained in the COC marker.
2933 * @param p_manager the user event manager.
2934 */
opj_j2k_read_coc(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)2935 static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
2936 OPJ_BYTE * p_header_data,
2937 OPJ_UINT32 p_header_size,
2938 opj_event_mgr_t * p_manager
2939 )
2940 {
2941 opj_cp_t *l_cp = NULL;
2942 opj_tcp_t *l_tcp = NULL;
2943 opj_image_t *l_image = NULL;
2944 OPJ_UINT32 l_comp_room;
2945 OPJ_UINT32 l_comp_no;
2946
2947 /* preconditions */
2948 assert(p_header_data != 00);
2949 assert(p_j2k != 00);
2950 assert(p_manager != 00);
2951
2952 l_cp = &(p_j2k->m_cp);
2953 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
2954 ?
2955 &l_cp->tcps[p_j2k->m_current_tile_number] :
2956 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2957 l_image = p_j2k->m_private_image;
2958
2959 l_comp_room = l_image->numcomps <= 256 ? 1 : 2;
2960
2961 /* make sure room is sufficient*/
2962 if (p_header_size < l_comp_room + 1) {
2963 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2964 return OPJ_FALSE;
2965 }
2966 p_header_size -= l_comp_room + 1;
2967
2968 opj_read_bytes(p_header_data, &l_comp_no,
2969 l_comp_room); /* Ccoc */
2970 p_header_data += l_comp_room;
2971 if (l_comp_no >= l_image->numcomps) {
2972 opj_event_msg(p_manager, EVT_ERROR,
2973 "Error reading COC marker (bad number of components)\n");
2974 return OPJ_FALSE;
2975 }
2976
2977 opj_read_bytes(p_header_data, &l_tcp->tccps[l_comp_no].csty,
2978 1); /* Scoc */
2979 ++p_header_data ;
2980
2981 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, l_comp_no, p_header_data, &p_header_size,
2982 p_manager)) {
2983 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2984 return OPJ_FALSE;
2985 }
2986
2987 if (p_header_size != 0) {
2988 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2989 return OPJ_FALSE;
2990 }
2991 return OPJ_TRUE;
2992 }
2993
opj_j2k_write_qcd(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2994 static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
2995 opj_stream_private_t *p_stream,
2996 opj_event_mgr_t * p_manager
2997 )
2998 {
2999 OPJ_UINT32 l_qcd_size, l_remaining_size;
3000 OPJ_BYTE * l_current_data = 00;
3001
3002 /* preconditions */
3003 assert(p_j2k != 00);
3004 assert(p_manager != 00);
3005 assert(p_stream != 00);
3006
3007 l_qcd_size = 4 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3008 0);
3009 l_remaining_size = l_qcd_size;
3010
3011 if (l_qcd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3012 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3013 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size);
3014 if (! new_header_tile_data) {
3015 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3016 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3017 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3018 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCD marker\n");
3019 return OPJ_FALSE;
3020 }
3021 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3022 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcd_size;
3023 }
3024
3025 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
3026
3027 opj_write_bytes(l_current_data, J2K_MS_QCD, 2); /* QCD */
3028 l_current_data += 2;
3029
3030 opj_write_bytes(l_current_data, l_qcd_size - 2, 2); /* L_QCD */
3031 l_current_data += 2;
3032
3033 l_remaining_size -= 4;
3034
3035 if (! opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, 0,
3036 l_current_data, &l_remaining_size, p_manager)) {
3037 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
3038 return OPJ_FALSE;
3039 }
3040
3041 if (l_remaining_size != 0) {
3042 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
3043 return OPJ_FALSE;
3044 }
3045
3046 if (opj_stream_write_data(p_stream,
3047 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size,
3048 p_manager) != l_qcd_size) {
3049 return OPJ_FALSE;
3050 }
3051
3052 return OPJ_TRUE;
3053 }
3054
3055 /**
3056 * Reads a QCD marker (Quantization defaults)
3057 * @param p_header_data the data contained in the QCD box.
3058 * @param p_j2k the jpeg2000 codec.
3059 * @param p_header_size the size of the data contained in the QCD marker.
3060 * @param p_manager the user event manager.
3061 */
opj_j2k_read_qcd(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3062 static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
3063 OPJ_BYTE * p_header_data,
3064 OPJ_UINT32 p_header_size,
3065 opj_event_mgr_t * p_manager
3066 )
3067 {
3068 /* preconditions */
3069 assert(p_header_data != 00);
3070 assert(p_j2k != 00);
3071 assert(p_manager != 00);
3072
3073 if (! opj_j2k_read_SQcd_SQcc(p_j2k, 0, p_header_data, &p_header_size,
3074 p_manager)) {
3075 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
3076 return OPJ_FALSE;
3077 }
3078
3079 if (p_header_size != 0) {
3080 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
3081 return OPJ_FALSE;
3082 }
3083
3084 /* Apply the quantization parameters to other components of the current tile or the m_default_tcp */
3085 opj_j2k_copy_tile_quantization_parameters(p_j2k);
3086
3087 return OPJ_TRUE;
3088 }
3089
opj_j2k_write_qcc(opj_j2k_t * p_j2k,OPJ_UINT32 p_comp_no,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)3090 static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
3091 OPJ_UINT32 p_comp_no,
3092 opj_stream_private_t *p_stream,
3093 opj_event_mgr_t * p_manager
3094 )
3095 {
3096 OPJ_UINT32 l_qcc_size, l_remaining_size;
3097
3098 /* preconditions */
3099 assert(p_j2k != 00);
3100 assert(p_manager != 00);
3101 assert(p_stream != 00);
3102
3103 l_qcc_size = 5 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3104 p_comp_no);
3105 l_qcc_size += p_j2k->m_private_image->numcomps <= 256 ? 0 : 1;
3106 l_remaining_size = l_qcc_size;
3107
3108 if (l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3109 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3110 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size);
3111 if (! new_header_tile_data) {
3112 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3113 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3114 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3115 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCC marker\n");
3116 return OPJ_FALSE;
3117 }
3118 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3119 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size;
3120 }
3121
3122 opj_j2k_write_qcc_in_memory(p_j2k, p_comp_no,
3123 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
3124 p_manager);
3125
3126 if (opj_stream_write_data(p_stream,
3127 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size,
3128 p_manager) != l_qcc_size) {
3129 return OPJ_FALSE;
3130 }
3131
3132 return OPJ_TRUE;
3133 }
3134
opj_j2k_compare_qcc(opj_j2k_t * p_j2k,OPJ_UINT32 p_first_comp_no,OPJ_UINT32 p_second_comp_no)3135 static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
3136 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
3137 {
3138 return opj_j2k_compare_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number,
3139 p_first_comp_no, p_second_comp_no);
3140 }
3141
opj_j2k_write_qcc_in_memory(opj_j2k_t * p_j2k,OPJ_UINT32 p_comp_no,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,opj_event_mgr_t * p_manager)3142 static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
3143 OPJ_UINT32 p_comp_no,
3144 OPJ_BYTE * p_data,
3145 OPJ_UINT32 * p_data_written,
3146 opj_event_mgr_t * p_manager
3147 )
3148 {
3149 OPJ_UINT32 l_qcc_size, l_remaining_size;
3150 OPJ_BYTE * l_current_data = 00;
3151
3152 /* preconditions */
3153 assert(p_j2k != 00);
3154 assert(p_manager != 00);
3155
3156 l_qcc_size = 6 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3157 p_comp_no);
3158 l_remaining_size = l_qcc_size;
3159
3160 l_current_data = p_data;
3161
3162 opj_write_bytes(l_current_data, J2K_MS_QCC, 2); /* QCC */
3163 l_current_data += 2;
3164
3165 if (p_j2k->m_private_image->numcomps <= 256) {
3166 --l_qcc_size;
3167
3168 opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
3169 l_current_data += 2;
3170
3171 opj_write_bytes(l_current_data, p_comp_no, 1); /* Cqcc */
3172 ++l_current_data;
3173
3174 /* in the case only one byte is sufficient the last byte allocated is useless -> still do -6 for available */
3175 l_remaining_size -= 6;
3176 } else {
3177 opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
3178 l_current_data += 2;
3179
3180 opj_write_bytes(l_current_data, p_comp_no, 2); /* Cqcc */
3181 l_current_data += 2;
3182
3183 l_remaining_size -= 6;
3184 }
3185
3186 opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, p_comp_no,
3187 l_current_data, &l_remaining_size, p_manager);
3188
3189 *p_data_written = l_qcc_size;
3190 }
3191
opj_j2k_get_max_qcc_size(opj_j2k_t * p_j2k)3192 static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k)
3193 {
3194 return opj_j2k_get_max_coc_size(p_j2k);
3195 }
3196
3197 /**
3198 * Reads a QCC marker (Quantization component)
3199 * @param p_header_data the data contained in the QCC box.
3200 * @param p_j2k the jpeg2000 codec.
3201 * @param p_header_size the size of the data contained in the QCC marker.
3202 * @param p_manager the user event manager.
3203 */
opj_j2k_read_qcc(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3204 static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
3205 OPJ_BYTE * p_header_data,
3206 OPJ_UINT32 p_header_size,
3207 opj_event_mgr_t * p_manager
3208 )
3209 {
3210 OPJ_UINT32 l_num_comp, l_comp_no;
3211
3212 /* preconditions */
3213 assert(p_header_data != 00);
3214 assert(p_j2k != 00);
3215 assert(p_manager != 00);
3216
3217 l_num_comp = p_j2k->m_private_image->numcomps;
3218
3219 if (l_num_comp <= 256) {
3220 if (p_header_size < 1) {
3221 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3222 return OPJ_FALSE;
3223 }
3224 opj_read_bytes(p_header_data, &l_comp_no, 1);
3225 ++p_header_data;
3226 --p_header_size;
3227 } else {
3228 if (p_header_size < 2) {
3229 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3230 return OPJ_FALSE;
3231 }
3232 opj_read_bytes(p_header_data, &l_comp_no, 2);
3233 p_header_data += 2;
3234 p_header_size -= 2;
3235 }
3236
3237 #ifdef USE_JPWL
3238 if (p_j2k->m_cp.correct) {
3239
3240 static OPJ_UINT32 backup_compno = 0;
3241
3242 /* compno is negative or larger than the number of components!!! */
3243 if (/*(l_comp_no < 0) ||*/ (l_comp_no >= l_num_comp)) {
3244 opj_event_msg(p_manager, EVT_ERROR,
3245 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
3246 l_comp_no, l_num_comp);
3247 if (!JPWL_ASSUME) {
3248 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
3249 return OPJ_FALSE;
3250 }
3251 /* we try to correct */
3252 l_comp_no = backup_compno % l_num_comp;
3253 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
3254 "- setting component number to %d\n",
3255 l_comp_no);
3256 }
3257
3258 /* keep your private count of tiles */
3259 backup_compno++;
3260 };
3261 #endif /* USE_JPWL */
3262
3263 if (l_comp_no >= p_j2k->m_private_image->numcomps) {
3264 opj_event_msg(p_manager, EVT_ERROR,
3265 "Invalid component number: %d, regarding the number of components %d\n",
3266 l_comp_no, p_j2k->m_private_image->numcomps);
3267 return OPJ_FALSE;
3268 }
3269
3270 if (! opj_j2k_read_SQcd_SQcc(p_j2k, l_comp_no, p_header_data, &p_header_size,
3271 p_manager)) {
3272 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3273 return OPJ_FALSE;
3274 }
3275
3276 if (p_header_size != 0) {
3277 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3278 return OPJ_FALSE;
3279 }
3280
3281 return OPJ_TRUE;
3282 }
3283
opj_j2k_write_poc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)3284 static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
3285 opj_stream_private_t *p_stream,
3286 opj_event_mgr_t * p_manager
3287 )
3288 {
3289 OPJ_UINT32 l_nb_comp;
3290 OPJ_UINT32 l_nb_poc;
3291 OPJ_UINT32 l_poc_size;
3292 OPJ_UINT32 l_written_size = 0;
3293 opj_tcp_t *l_tcp = 00;
3294 OPJ_UINT32 l_poc_room;
3295
3296 /* preconditions */
3297 assert(p_j2k != 00);
3298 assert(p_manager != 00);
3299 assert(p_stream != 00);
3300
3301 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3302 l_nb_comp = p_j2k->m_private_image->numcomps;
3303 l_nb_poc = 1 + l_tcp->numpocs;
3304
3305 if (l_nb_comp <= 256) {
3306 l_poc_room = 1;
3307 } else {
3308 l_poc_room = 2;
3309 }
3310 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3311
3312 if (l_poc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3313 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3314 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size);
3315 if (! new_header_tile_data) {
3316 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3317 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3318 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3319 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write POC marker\n");
3320 return OPJ_FALSE;
3321 }
3322 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3323 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size;
3324 }
3325
3326 opj_j2k_write_poc_in_memory(p_j2k,
3327 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_written_size,
3328 p_manager);
3329
3330 if (opj_stream_write_data(p_stream,
3331 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size,
3332 p_manager) != l_poc_size) {
3333 return OPJ_FALSE;
3334 }
3335
3336 return OPJ_TRUE;
3337 }
3338
opj_j2k_write_poc_in_memory(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,opj_event_mgr_t * p_manager)3339 static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
3340 OPJ_BYTE * p_data,
3341 OPJ_UINT32 * p_data_written,
3342 opj_event_mgr_t * p_manager
3343 )
3344 {
3345 OPJ_UINT32 i;
3346 OPJ_BYTE * l_current_data = 00;
3347 OPJ_UINT32 l_nb_comp;
3348 OPJ_UINT32 l_nb_poc;
3349 OPJ_UINT32 l_poc_size;
3350 opj_image_t *l_image = 00;
3351 opj_tcp_t *l_tcp = 00;
3352 opj_tccp_t *l_tccp = 00;
3353 opj_poc_t *l_current_poc = 00;
3354 OPJ_UINT32 l_poc_room;
3355
3356 /* preconditions */
3357 assert(p_j2k != 00);
3358 assert(p_manager != 00);
3359
3360 OPJ_UNUSED(p_manager);
3361
3362 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3363 l_tccp = &l_tcp->tccps[0];
3364 l_image = p_j2k->m_private_image;
3365 l_nb_comp = l_image->numcomps;
3366 l_nb_poc = 1 + l_tcp->numpocs;
3367
3368 if (l_nb_comp <= 256) {
3369 l_poc_room = 1;
3370 } else {
3371 l_poc_room = 2;
3372 }
3373
3374 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3375
3376 l_current_data = p_data;
3377
3378 opj_write_bytes(l_current_data, J2K_MS_POC,
3379 2); /* POC */
3380 l_current_data += 2;
3381
3382 opj_write_bytes(l_current_data, l_poc_size - 2,
3383 2); /* Lpoc */
3384 l_current_data += 2;
3385
3386 l_current_poc = l_tcp->pocs;
3387 for (i = 0; i < l_nb_poc; ++i) {
3388 opj_write_bytes(l_current_data, l_current_poc->resno0,
3389 1); /* RSpoc_i */
3390 ++l_current_data;
3391
3392 opj_write_bytes(l_current_data, l_current_poc->compno0,
3393 l_poc_room); /* CSpoc_i */
3394 l_current_data += l_poc_room;
3395
3396 opj_write_bytes(l_current_data, l_current_poc->layno1,
3397 2); /* LYEpoc_i */
3398 l_current_data += 2;
3399
3400 opj_write_bytes(l_current_data, l_current_poc->resno1,
3401 1); /* REpoc_i */
3402 ++l_current_data;
3403
3404 opj_write_bytes(l_current_data, l_current_poc->compno1,
3405 l_poc_room); /* CEpoc_i */
3406 l_current_data += l_poc_room;
3407
3408 opj_write_bytes(l_current_data, (OPJ_UINT32)l_current_poc->prg,
3409 1); /* Ppoc_i */
3410 ++l_current_data;
3411
3412 /* change the value of the max layer according to the actual number of layers in the file, components and resolutions*/
3413 l_current_poc->layno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3414 l_current_poc->layno1, (OPJ_INT32)l_tcp->numlayers);
3415 l_current_poc->resno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3416 l_current_poc->resno1, (OPJ_INT32)l_tccp->numresolutions);
3417 l_current_poc->compno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3418 l_current_poc->compno1, (OPJ_INT32)l_nb_comp);
3419
3420 ++l_current_poc;
3421 }
3422
3423 *p_data_written = l_poc_size;
3424 }
3425
opj_j2k_get_max_poc_size(opj_j2k_t * p_j2k)3426 static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k)
3427 {
3428 opj_tcp_t * l_tcp = 00;
3429 OPJ_UINT32 l_nb_tiles = 0;
3430 OPJ_UINT32 l_max_poc = 0;
3431 OPJ_UINT32 i;
3432
3433 l_tcp = p_j2k->m_cp.tcps;
3434 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
3435
3436 for (i = 0; i < l_nb_tiles; ++i) {
3437 l_max_poc = opj_uint_max(l_max_poc, l_tcp->numpocs);
3438 ++l_tcp;
3439 }
3440
3441 ++l_max_poc;
3442
3443 return 4 + 9 * l_max_poc;
3444 }
3445
opj_j2k_get_max_toc_size(opj_j2k_t * p_j2k)3446 static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k)
3447 {
3448 OPJ_UINT32 i;
3449 OPJ_UINT32 l_nb_tiles;
3450 OPJ_UINT32 l_max = 0;
3451 opj_tcp_t * l_tcp = 00;
3452
3453 l_tcp = p_j2k->m_cp.tcps;
3454 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
3455
3456 for (i = 0; i < l_nb_tiles; ++i) {
3457 l_max = opj_uint_max(l_max, l_tcp->m_nb_tile_parts);
3458
3459 ++l_tcp;
3460 }
3461
3462 return 12 * l_max;
3463 }
3464
opj_j2k_get_specific_header_sizes(opj_j2k_t * p_j2k)3465 static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k)
3466 {
3467 OPJ_UINT32 l_nb_bytes = 0;
3468 OPJ_UINT32 l_nb_comps;
3469 OPJ_UINT32 l_coc_bytes, l_qcc_bytes;
3470
3471 l_nb_comps = p_j2k->m_private_image->numcomps - 1;
3472 l_nb_bytes += opj_j2k_get_max_toc_size(p_j2k);
3473
3474 if (!(OPJ_IS_CINEMA(p_j2k->m_cp.rsiz))) {
3475 l_coc_bytes = opj_j2k_get_max_coc_size(p_j2k);
3476 l_nb_bytes += l_nb_comps * l_coc_bytes;
3477
3478 l_qcc_bytes = opj_j2k_get_max_qcc_size(p_j2k);
3479 l_nb_bytes += l_nb_comps * l_qcc_bytes;
3480 }
3481
3482 l_nb_bytes += opj_j2k_get_max_poc_size(p_j2k);
3483
3484 if (p_j2k->m_specific_param.m_encoder.m_PLT) {
3485 /* Reserve space for PLT markers */
3486
3487 OPJ_UINT32 i;
3488 const opj_cp_t * l_cp = &(p_j2k->m_cp);
3489 OPJ_UINT32 l_max_packet_count = 0;
3490 for (i = 0; i < l_cp->th * l_cp->tw; ++i) {
3491 l_max_packet_count = opj_uint_max(l_max_packet_count,
3492 opj_get_encoding_packet_count(p_j2k->m_private_image, l_cp, i));
3493 }
3494 /* Minimum 6 bytes per PLT marker, and at a minimum (taking a pessimistic */
3495 /* estimate of 4 bytes for a packet size), one can write */
3496 /* (65536-6) / 4 = 16382 paquet sizes per PLT marker */
3497 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT =
3498 6 * opj_uint_ceildiv(l_max_packet_count, 16382);
3499 /* Maximum 5 bytes per packet to encode a full UINT32 */
3500 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT +=
3501 l_nb_bytes += 5 * l_max_packet_count;
3502 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT += 1;
3503 l_nb_bytes += p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT;
3504 }
3505
3506 /*** DEVELOPER CORNER, Add room for your headers ***/
3507
3508 return l_nb_bytes;
3509 }
3510
3511 /**
3512 * Reads a POC marker (Progression Order Change)
3513 *
3514 * @param p_header_data the data contained in the POC box.
3515 * @param p_j2k the jpeg2000 codec.
3516 * @param p_header_size the size of the data contained in the POC marker.
3517 * @param p_manager the user event manager.
3518 */
opj_j2k_read_poc(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3519 static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
3520 OPJ_BYTE * p_header_data,
3521 OPJ_UINT32 p_header_size,
3522 opj_event_mgr_t * p_manager
3523 )
3524 {
3525 OPJ_UINT32 i, l_nb_comp, l_tmp;
3526 opj_image_t * l_image = 00;
3527 OPJ_UINT32 l_old_poc_nb, l_current_poc_nb, l_current_poc_remaining;
3528 OPJ_UINT32 l_chunk_size, l_comp_room;
3529
3530 opj_cp_t *l_cp = 00;
3531 opj_tcp_t *l_tcp = 00;
3532 opj_poc_t *l_current_poc = 00;
3533
3534 /* preconditions */
3535 assert(p_header_data != 00);
3536 assert(p_j2k != 00);
3537 assert(p_manager != 00);
3538
3539 l_image = p_j2k->m_private_image;
3540 l_nb_comp = l_image->numcomps;
3541 if (l_nb_comp <= 256) {
3542 l_comp_room = 1;
3543 } else {
3544 l_comp_room = 2;
3545 }
3546 l_chunk_size = 5 + 2 * l_comp_room;
3547 l_current_poc_nb = p_header_size / l_chunk_size;
3548 l_current_poc_remaining = p_header_size % l_chunk_size;
3549
3550 if ((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0)) {
3551 opj_event_msg(p_manager, EVT_ERROR, "Error reading POC marker\n");
3552 return OPJ_FALSE;
3553 }
3554
3555 l_cp = &(p_j2k->m_cp);
3556 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
3557 &l_cp->tcps[p_j2k->m_current_tile_number] :
3558 p_j2k->m_specific_param.m_decoder.m_default_tcp;
3559 l_old_poc_nb = l_tcp->POC ? l_tcp->numpocs + 1 : 0;
3560 l_current_poc_nb += l_old_poc_nb;
3561
3562 if (l_current_poc_nb >= J2K_MAX_POCS) {
3563 opj_event_msg(p_manager, EVT_ERROR, "Too many POCs %d\n", l_current_poc_nb);
3564 return OPJ_FALSE;
3565 }
3566
3567 /* now poc is in use.*/
3568 l_tcp->POC = 1;
3569
3570 l_current_poc = &l_tcp->pocs[l_old_poc_nb];
3571 for (i = l_old_poc_nb; i < l_current_poc_nb; ++i) {
3572 opj_read_bytes(p_header_data, &(l_current_poc->resno0),
3573 1); /* RSpoc_i */
3574 ++p_header_data;
3575 opj_read_bytes(p_header_data, &(l_current_poc->compno0),
3576 l_comp_room); /* CSpoc_i */
3577 p_header_data += l_comp_room;
3578 opj_read_bytes(p_header_data, &(l_current_poc->layno1),
3579 2); /* LYEpoc_i */
3580 /* make sure layer end is in acceptable bounds */
3581 l_current_poc->layno1 = opj_uint_min(l_current_poc->layno1, l_tcp->numlayers);
3582 p_header_data += 2;
3583 opj_read_bytes(p_header_data, &(l_current_poc->resno1),
3584 1); /* REpoc_i */
3585 ++p_header_data;
3586 opj_read_bytes(p_header_data, &(l_current_poc->compno1),
3587 l_comp_room); /* CEpoc_i */
3588 p_header_data += l_comp_room;
3589 opj_read_bytes(p_header_data, &l_tmp,
3590 1); /* Ppoc_i */
3591 ++p_header_data;
3592 l_current_poc->prg = (OPJ_PROG_ORDER) l_tmp;
3593 /* make sure comp is in acceptable bounds */
3594 l_current_poc->compno1 = opj_uint_min(l_current_poc->compno1, l_nb_comp);
3595 ++l_current_poc;
3596 }
3597
3598 l_tcp->numpocs = l_current_poc_nb - 1;
3599 return OPJ_TRUE;
3600 }
3601
3602 /**
3603 * Reads a CRG marker (Component registration)
3604 *
3605 * @param p_header_data the data contained in the TLM box.
3606 * @param p_j2k the jpeg2000 codec.
3607 * @param p_header_size the size of the data contained in the TLM marker.
3608 * @param p_manager the user event manager.
3609 */
opj_j2k_read_crg(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3610 static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
3611 OPJ_BYTE * p_header_data,
3612 OPJ_UINT32 p_header_size,
3613 opj_event_mgr_t * p_manager
3614 )
3615 {
3616 OPJ_UINT32 l_nb_comp;
3617 /* preconditions */
3618 assert(p_header_data != 00);
3619 assert(p_j2k != 00);
3620 assert(p_manager != 00);
3621
3622 OPJ_UNUSED(p_header_data);
3623
3624 l_nb_comp = p_j2k->m_private_image->numcomps;
3625
3626 if (p_header_size != l_nb_comp * 4) {
3627 opj_event_msg(p_manager, EVT_ERROR, "Error reading CRG marker\n");
3628 return OPJ_FALSE;
3629 }
3630 /* Do not care of this at the moment since only local variables are set here */
3631 /*
3632 for
3633 (i = 0; i < l_nb_comp; ++i)
3634 {
3635 opj_read_bytes(p_header_data,&l_Xcrg_i,2); // Xcrg_i
3636 p_header_data+=2;
3637 opj_read_bytes(p_header_data,&l_Ycrg_i,2); // Xcrg_i
3638 p_header_data+=2;
3639 }
3640 */
3641 return OPJ_TRUE;
3642 }
3643
3644 /**
3645 * Reads a TLM marker (Tile Length Marker)
3646 *
3647 * @param p_header_data the data contained in the TLM box.
3648 * @param p_j2k the jpeg2000 codec.
3649 * @param p_header_size the size of the data contained in the TLM marker.
3650 * @param p_manager the user event manager.
3651 */
opj_j2k_read_tlm(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3652 static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
3653 OPJ_BYTE * p_header_data,
3654 OPJ_UINT32 p_header_size,
3655 opj_event_mgr_t * p_manager
3656 )
3657 {
3658 OPJ_UINT32 l_Ztlm, l_Stlm, l_ST, l_SP, l_tot_num_tp_remaining, l_quotient,
3659 l_Ptlm_size;
3660 /* preconditions */
3661 assert(p_header_data != 00);
3662 assert(p_j2k != 00);
3663 assert(p_manager != 00);
3664
3665 OPJ_UNUSED(p_j2k);
3666
3667 if (p_header_size < 2) {
3668 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
3669 return OPJ_FALSE;
3670 }
3671 p_header_size -= 2;
3672
3673 opj_read_bytes(p_header_data, &l_Ztlm,
3674 1); /* Ztlm */
3675 ++p_header_data;
3676 opj_read_bytes(p_header_data, &l_Stlm,
3677 1); /* Stlm */
3678 ++p_header_data;
3679
3680 l_ST = ((l_Stlm >> 4) & 0x3);
3681 l_SP = (l_Stlm >> 6) & 0x1;
3682
3683 l_Ptlm_size = (l_SP + 1) * 2;
3684 l_quotient = l_Ptlm_size + l_ST;
3685
3686 l_tot_num_tp_remaining = p_header_size % l_quotient;
3687
3688 if (l_tot_num_tp_remaining != 0) {
3689 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
3690 return OPJ_FALSE;
3691 }
3692 /* FIXME Do not care of this at the moment since only local variables are set here */
3693 /*
3694 for
3695 (i = 0; i < l_tot_num_tp; ++i)
3696 {
3697 opj_read_bytes(p_header_data,&l_Ttlm_i,l_ST); // Ttlm_i
3698 p_header_data += l_ST;
3699 opj_read_bytes(p_header_data,&l_Ptlm_i,l_Ptlm_size); // Ptlm_i
3700 p_header_data += l_Ptlm_size;
3701 }*/
3702 return OPJ_TRUE;
3703 }
3704
3705 /**
3706 * Reads a PLM marker (Packet length, main header marker)
3707 *
3708 * @param p_header_data the data contained in the TLM box.
3709 * @param p_j2k the jpeg2000 codec.
3710 * @param p_header_size the size of the data contained in the TLM marker.
3711 * @param p_manager the user event manager.
3712 */
opj_j2k_read_plm(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3713 static OPJ_BOOL opj_j2k_read_plm(opj_j2k_t *p_j2k,
3714 OPJ_BYTE * p_header_data,
3715 OPJ_UINT32 p_header_size,
3716 opj_event_mgr_t * p_manager
3717 )
3718 {
3719 /* preconditions */
3720 assert(p_header_data != 00);
3721 assert(p_j2k != 00);
3722 assert(p_manager != 00);
3723
3724 OPJ_UNUSED(p_j2k);
3725 OPJ_UNUSED(p_header_data);
3726
3727 if (p_header_size < 1) {
3728 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3729 return OPJ_FALSE;
3730 }
3731 /* Do not care of this at the moment since only local variables are set here */
3732 /*
3733 opj_read_bytes(p_header_data,&l_Zplm,1); // Zplm
3734 ++p_header_data;
3735 --p_header_size;
3736
3737 while
3738 (p_header_size > 0)
3739 {
3740 opj_read_bytes(p_header_data,&l_Nplm,1); // Nplm
3741 ++p_header_data;
3742 p_header_size -= (1+l_Nplm);
3743 if
3744 (p_header_size < 0)
3745 {
3746 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3747 return false;
3748 }
3749 for
3750 (i = 0; i < l_Nplm; ++i)
3751 {
3752 opj_read_bytes(p_header_data,&l_tmp,1); // Iplm_ij
3753 ++p_header_data;
3754 // take only the last seven bytes
3755 l_packet_len |= (l_tmp & 0x7f);
3756 if
3757 (l_tmp & 0x80)
3758 {
3759 l_packet_len <<= 7;
3760 }
3761 else
3762 {
3763 // store packet length and proceed to next packet
3764 l_packet_len = 0;
3765 }
3766 }
3767 if
3768 (l_packet_len != 0)
3769 {
3770 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3771 return false;
3772 }
3773 }
3774 */
3775 return OPJ_TRUE;
3776 }
3777
3778 /**
3779 * Reads a PLT marker (Packet length, tile-part header)
3780 *
3781 * @param p_header_data the data contained in the PLT box.
3782 * @param p_j2k the jpeg2000 codec.
3783 * @param p_header_size the size of the data contained in the PLT marker.
3784 * @param p_manager the user event manager.
3785 */
opj_j2k_read_plt(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3786 static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
3787 OPJ_BYTE * p_header_data,
3788 OPJ_UINT32 p_header_size,
3789 opj_event_mgr_t * p_manager
3790 )
3791 {
3792 OPJ_UINT32 l_Zplt, l_tmp, l_packet_len = 0, i;
3793
3794 /* preconditions */
3795 assert(p_header_data != 00);
3796 assert(p_j2k != 00);
3797 assert(p_manager != 00);
3798
3799 OPJ_UNUSED(p_j2k);
3800
3801 if (p_header_size < 1) {
3802 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3803 return OPJ_FALSE;
3804 }
3805
3806 opj_read_bytes(p_header_data, &l_Zplt, 1); /* Zplt */
3807 ++p_header_data;
3808 --p_header_size;
3809
3810 for (i = 0; i < p_header_size; ++i) {
3811 opj_read_bytes(p_header_data, &l_tmp, 1); /* Iplt_ij */
3812 ++p_header_data;
3813 /* take only the last seven bytes */
3814 l_packet_len |= (l_tmp & 0x7f);
3815 if (l_tmp & 0x80) {
3816 l_packet_len <<= 7;
3817 } else {
3818 /* store packet length and proceed to next packet */
3819 l_packet_len = 0;
3820 }
3821 }
3822
3823 if (l_packet_len != 0) {
3824 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3825 return OPJ_FALSE;
3826 }
3827
3828 return OPJ_TRUE;
3829 }
3830
3831 /**
3832 * Reads a PPM marker (Packed packet headers, main header)
3833 *
3834 * @param p_header_data the data contained in the POC box.
3835 * @param p_j2k the jpeg2000 codec.
3836 * @param p_header_size the size of the data contained in the POC marker.
3837 * @param p_manager the user event manager.
3838 */
3839
opj_j2k_read_ppm(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3840 static OPJ_BOOL opj_j2k_read_ppm(
3841 opj_j2k_t *p_j2k,
3842 OPJ_BYTE * p_header_data,
3843 OPJ_UINT32 p_header_size,
3844 opj_event_mgr_t * p_manager)
3845 {
3846 opj_cp_t *l_cp = 00;
3847 OPJ_UINT32 l_Z_ppm;
3848
3849 /* preconditions */
3850 assert(p_header_data != 00);
3851 assert(p_j2k != 00);
3852 assert(p_manager != 00);
3853
3854 /* We need to have the Z_ppm element + 1 byte of Nppm/Ippm at minimum */
3855 if (p_header_size < 2) {
3856 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
3857 return OPJ_FALSE;
3858 }
3859
3860 l_cp = &(p_j2k->m_cp);
3861 l_cp->ppm = 1;
3862
3863 opj_read_bytes(p_header_data, &l_Z_ppm, 1); /* Z_ppm */
3864 ++p_header_data;
3865 --p_header_size;
3866
3867 /* check allocation needed */
3868 if (l_cp->ppm_markers == NULL) { /* first PPM marker */
3869 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3870 assert(l_cp->ppm_markers_count == 0U);
3871
3872 l_cp->ppm_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
3873 if (l_cp->ppm_markers == NULL) {
3874 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3875 return OPJ_FALSE;
3876 }
3877 l_cp->ppm_markers_count = l_newCount;
3878 } else if (l_cp->ppm_markers_count <= l_Z_ppm) {
3879 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3880 opj_ppx *new_ppm_markers;
3881 new_ppm_markers = (opj_ppx *) opj_realloc(l_cp->ppm_markers,
3882 l_newCount * sizeof(opj_ppx));
3883 if (new_ppm_markers == NULL) {
3884 /* clean up to be done on l_cp destruction */
3885 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3886 return OPJ_FALSE;
3887 }
3888 l_cp->ppm_markers = new_ppm_markers;
3889 memset(l_cp->ppm_markers + l_cp->ppm_markers_count, 0,
3890 (l_newCount - l_cp->ppm_markers_count) * sizeof(opj_ppx));
3891 l_cp->ppm_markers_count = l_newCount;
3892 }
3893
3894 if (l_cp->ppm_markers[l_Z_ppm].m_data != NULL) {
3895 /* clean up to be done on l_cp destruction */
3896 opj_event_msg(p_manager, EVT_ERROR, "Zppm %u already read\n", l_Z_ppm);
3897 return OPJ_FALSE;
3898 }
3899
3900 l_cp->ppm_markers[l_Z_ppm].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
3901 if (l_cp->ppm_markers[l_Z_ppm].m_data == NULL) {
3902 /* clean up to be done on l_cp destruction */
3903 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3904 return OPJ_FALSE;
3905 }
3906 l_cp->ppm_markers[l_Z_ppm].m_data_size = p_header_size;
3907 memcpy(l_cp->ppm_markers[l_Z_ppm].m_data, p_header_data, p_header_size);
3908
3909 return OPJ_TRUE;
3910 }
3911
3912 /**
3913 * Merges all PPM markers read (Packed headers, main header)
3914 *
3915 * @param p_cp main coding parameters.
3916 * @param p_manager the user event manager.
3917 */
opj_j2k_merge_ppm(opj_cp_t * p_cp,opj_event_mgr_t * p_manager)3918 static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager)
3919 {
3920 OPJ_UINT32 i, l_ppm_data_size, l_N_ppm_remaining;
3921
3922 /* preconditions */
3923 assert(p_cp != 00);
3924 assert(p_manager != 00);
3925 assert(p_cp->ppm_buffer == NULL);
3926
3927 if (p_cp->ppm == 0U) {
3928 return OPJ_TRUE;
3929 }
3930
3931 l_ppm_data_size = 0U;
3932 l_N_ppm_remaining = 0U;
3933 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3934 if (p_cp->ppm_markers[i].m_data !=
3935 NULL) { /* standard doesn't seem to require contiguous Zppm */
3936 OPJ_UINT32 l_N_ppm;
3937 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3938 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3939
3940 if (l_N_ppm_remaining >= l_data_size) {
3941 l_N_ppm_remaining -= l_data_size;
3942 l_data_size = 0U;
3943 } else {
3944 l_data += l_N_ppm_remaining;
3945 l_data_size -= l_N_ppm_remaining;
3946 l_N_ppm_remaining = 0U;
3947 }
3948
3949 if (l_data_size > 0U) {
3950 do {
3951 /* read Nppm */
3952 if (l_data_size < 4U) {
3953 /* clean up to be done on l_cp destruction */
3954 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
3955 return OPJ_FALSE;
3956 }
3957 opj_read_bytes(l_data, &l_N_ppm, 4);
3958 l_data += 4;
3959 l_data_size -= 4;
3960 l_ppm_data_size +=
3961 l_N_ppm; /* can't overflow, max 256 markers of max 65536 bytes, that is when PPM markers are not corrupted which is checked elsewhere */
3962
3963 if (l_data_size >= l_N_ppm) {
3964 l_data_size -= l_N_ppm;
3965 l_data += l_N_ppm;
3966 } else {
3967 l_N_ppm_remaining = l_N_ppm - l_data_size;
3968 l_data_size = 0U;
3969 }
3970 } while (l_data_size > 0U);
3971 }
3972 }
3973 }
3974
3975 if (l_N_ppm_remaining != 0U) {
3976 /* clean up to be done on l_cp destruction */
3977 opj_event_msg(p_manager, EVT_ERROR, "Corrupted PPM markers\n");
3978 return OPJ_FALSE;
3979 }
3980
3981 p_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_ppm_data_size);
3982 if (p_cp->ppm_buffer == 00) {
3983 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3984 return OPJ_FALSE;
3985 }
3986 p_cp->ppm_len = l_ppm_data_size;
3987 l_ppm_data_size = 0U;
3988 l_N_ppm_remaining = 0U;
3989 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3990 if (p_cp->ppm_markers[i].m_data !=
3991 NULL) { /* standard doesn't seem to require contiguous Zppm */
3992 OPJ_UINT32 l_N_ppm;
3993 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3994 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3995
3996 if (l_N_ppm_remaining >= l_data_size) {
3997 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
3998 l_ppm_data_size += l_data_size;
3999 l_N_ppm_remaining -= l_data_size;
4000 l_data_size = 0U;
4001 } else {
4002 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm_remaining);
4003 l_ppm_data_size += l_N_ppm_remaining;
4004 l_data += l_N_ppm_remaining;
4005 l_data_size -= l_N_ppm_remaining;
4006 l_N_ppm_remaining = 0U;
4007 }
4008
4009 if (l_data_size > 0U) {
4010 do {
4011 /* read Nppm */
4012 if (l_data_size < 4U) {
4013 /* clean up to be done on l_cp destruction */
4014 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
4015 return OPJ_FALSE;
4016 }
4017 opj_read_bytes(l_data, &l_N_ppm, 4);
4018 l_data += 4;
4019 l_data_size -= 4;
4020
4021 if (l_data_size >= l_N_ppm) {
4022 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm);
4023 l_ppm_data_size += l_N_ppm;
4024 l_data_size -= l_N_ppm;
4025 l_data += l_N_ppm;
4026 } else {
4027 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
4028 l_ppm_data_size += l_data_size;
4029 l_N_ppm_remaining = l_N_ppm - l_data_size;
4030 l_data_size = 0U;
4031 }
4032 } while (l_data_size > 0U);
4033 }
4034 opj_free(p_cp->ppm_markers[i].m_data);
4035 p_cp->ppm_markers[i].m_data = NULL;
4036 p_cp->ppm_markers[i].m_data_size = 0U;
4037 }
4038 }
4039
4040 p_cp->ppm_data = p_cp->ppm_buffer;
4041 p_cp->ppm_data_size = p_cp->ppm_len;
4042
4043 p_cp->ppm_markers_count = 0U;
4044 opj_free(p_cp->ppm_markers);
4045 p_cp->ppm_markers = NULL;
4046
4047 return OPJ_TRUE;
4048 }
4049
4050 /**
4051 * Reads a PPT marker (Packed packet headers, tile-part header)
4052 *
4053 * @param p_header_data the data contained in the PPT box.
4054 * @param p_j2k the jpeg2000 codec.
4055 * @param p_header_size the size of the data contained in the PPT marker.
4056 * @param p_manager the user event manager.
4057 */
opj_j2k_read_ppt(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)4058 static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
4059 OPJ_BYTE * p_header_data,
4060 OPJ_UINT32 p_header_size,
4061 opj_event_mgr_t * p_manager
4062 )
4063 {
4064 opj_cp_t *l_cp = 00;
4065 opj_tcp_t *l_tcp = 00;
4066 OPJ_UINT32 l_Z_ppt;
4067
4068 /* preconditions */
4069 assert(p_header_data != 00);
4070 assert(p_j2k != 00);
4071 assert(p_manager != 00);
4072
4073 /* We need to have the Z_ppt element + 1 byte of Ippt at minimum */
4074 if (p_header_size < 2) {
4075 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker\n");
4076 return OPJ_FALSE;
4077 }
4078
4079 l_cp = &(p_j2k->m_cp);
4080 if (l_cp->ppm) {
4081 opj_event_msg(p_manager, EVT_ERROR,
4082 "Error reading PPT marker: packet header have been previously found in the main header (PPM marker).\n");
4083 return OPJ_FALSE;
4084 }
4085
4086 l_tcp = &(l_cp->tcps[p_j2k->m_current_tile_number]);
4087 l_tcp->ppt = 1;
4088
4089 opj_read_bytes(p_header_data, &l_Z_ppt, 1); /* Z_ppt */
4090 ++p_header_data;
4091 --p_header_size;
4092
4093 /* check allocation needed */
4094 if (l_tcp->ppt_markers == NULL) { /* first PPT marker */
4095 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4096 assert(l_tcp->ppt_markers_count == 0U);
4097
4098 l_tcp->ppt_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
4099 if (l_tcp->ppt_markers == NULL) {
4100 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4101 return OPJ_FALSE;
4102 }
4103 l_tcp->ppt_markers_count = l_newCount;
4104 } else if (l_tcp->ppt_markers_count <= l_Z_ppt) {
4105 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4106 opj_ppx *new_ppt_markers;
4107 new_ppt_markers = (opj_ppx *) opj_realloc(l_tcp->ppt_markers,
4108 l_newCount * sizeof(opj_ppx));
4109 if (new_ppt_markers == NULL) {
4110 /* clean up to be done on l_tcp destruction */
4111 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4112 return OPJ_FALSE;
4113 }
4114 l_tcp->ppt_markers = new_ppt_markers;
4115 memset(l_tcp->ppt_markers + l_tcp->ppt_markers_count, 0,
4116 (l_newCount - l_tcp->ppt_markers_count) * sizeof(opj_ppx));
4117 l_tcp->ppt_markers_count = l_newCount;
4118 }
4119
4120 if (l_tcp->ppt_markers[l_Z_ppt].m_data != NULL) {
4121 /* clean up to be done on l_tcp destruction */
4122 opj_event_msg(p_manager, EVT_ERROR, "Zppt %u already read\n", l_Z_ppt);
4123 return OPJ_FALSE;
4124 }
4125
4126 l_tcp->ppt_markers[l_Z_ppt].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
4127 if (l_tcp->ppt_markers[l_Z_ppt].m_data == NULL) {
4128 /* clean up to be done on l_tcp destruction */
4129 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4130 return OPJ_FALSE;
4131 }
4132 l_tcp->ppt_markers[l_Z_ppt].m_data_size = p_header_size;
4133 memcpy(l_tcp->ppt_markers[l_Z_ppt].m_data, p_header_data, p_header_size);
4134 return OPJ_TRUE;
4135 }
4136
4137 /**
4138 * Merges all PPT markers read (Packed packet headers, tile-part header)
4139 *
4140 * @param p_tcp the tile.
4141 * @param p_manager the user event manager.
4142 */
opj_j2k_merge_ppt(opj_tcp_t * p_tcp,opj_event_mgr_t * p_manager)4143 static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp, opj_event_mgr_t * p_manager)
4144 {
4145 OPJ_UINT32 i, l_ppt_data_size;
4146 /* preconditions */
4147 assert(p_tcp != 00);
4148 assert(p_manager != 00);
4149
4150 if (p_tcp->ppt_buffer != NULL) {
4151 opj_event_msg(p_manager, EVT_ERROR,
4152 "opj_j2k_merge_ppt() has already been called\n");
4153 return OPJ_FALSE;
4154 }
4155
4156 if (p_tcp->ppt == 0U) {
4157 return OPJ_TRUE;
4158 }
4159
4160 l_ppt_data_size = 0U;
4161 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4162 l_ppt_data_size +=
4163 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4164 }
4165
4166 p_tcp->ppt_buffer = (OPJ_BYTE *) opj_malloc(l_ppt_data_size);
4167 if (p_tcp->ppt_buffer == 00) {
4168 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4169 return OPJ_FALSE;
4170 }
4171 p_tcp->ppt_len = l_ppt_data_size;
4172 l_ppt_data_size = 0U;
4173 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4174 if (p_tcp->ppt_markers[i].m_data !=
4175 NULL) { /* standard doesn't seem to require contiguous Zppt */
4176 memcpy(p_tcp->ppt_buffer + l_ppt_data_size, p_tcp->ppt_markers[i].m_data,
4177 p_tcp->ppt_markers[i].m_data_size);
4178 l_ppt_data_size +=
4179 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4180
4181 opj_free(p_tcp->ppt_markers[i].m_data);
4182 p_tcp->ppt_markers[i].m_data = NULL;
4183 p_tcp->ppt_markers[i].m_data_size = 0U;
4184 }
4185 }
4186
4187 p_tcp->ppt_markers_count = 0U;
4188 opj_free(p_tcp->ppt_markers);
4189 p_tcp->ppt_markers = NULL;
4190
4191 p_tcp->ppt_data = p_tcp->ppt_buffer;
4192 p_tcp->ppt_data_size = p_tcp->ppt_len;
4193 return OPJ_TRUE;
4194 }
4195
opj_j2k_write_tlm(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4196 static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
4197 opj_stream_private_t *p_stream,
4198 opj_event_mgr_t * p_manager
4199 )
4200 {
4201 OPJ_BYTE * l_current_data = 00;
4202 OPJ_UINT32 l_tlm_size;
4203 OPJ_UINT32 size_per_tile_part;
4204
4205 /* preconditions */
4206 assert(p_j2k != 00);
4207 assert(p_manager != 00);
4208 assert(p_stream != 00);
4209
4210 /* 10921 = (65535 - header_size) / size_per_tile_part where */
4211 /* header_size = 4 and size_per_tile_part = 6 */
4212 if (p_j2k->m_specific_param.m_encoder.m_total_tile_parts > 10921) {
4213 /* We could do more but it would require writing several TLM markers */
4214 opj_event_msg(p_manager, EVT_ERROR,
4215 "A maximum of 10921 tile-parts are supported currently "
4216 "when writing TLM marker\n");
4217 return OPJ_FALSE;
4218 }
4219
4220 if (p_j2k->m_specific_param.m_encoder.m_total_tile_parts <= 255) {
4221 size_per_tile_part = 5;
4222 p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte = OPJ_TRUE;
4223 } else {
4224 size_per_tile_part = 6;
4225 p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte = OPJ_FALSE;
4226 }
4227
4228 l_tlm_size = 2 + 4 + (size_per_tile_part *
4229 p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
4230
4231 if (l_tlm_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
4232 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
4233 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size);
4234 if (! new_header_tile_data) {
4235 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
4236 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
4237 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
4238 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write TLM marker\n");
4239 return OPJ_FALSE;
4240 }
4241 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
4242 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_tlm_size;
4243 }
4244 memset(p_j2k->m_specific_param.m_encoder.m_header_tile_data, 0, l_tlm_size);
4245
4246 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
4247
4248 /* change the way data is written to avoid seeking if possible */
4249 /* TODO */
4250 p_j2k->m_specific_param.m_encoder.m_tlm_start = opj_stream_tell(p_stream);
4251
4252 opj_write_bytes(l_current_data, J2K_MS_TLM,
4253 2); /* TLM */
4254 l_current_data += 2;
4255
4256 opj_write_bytes(l_current_data, l_tlm_size - 2,
4257 2); /* Lpoc */
4258 l_current_data += 2;
4259
4260 opj_write_bytes(l_current_data, 0,
4261 1); /* Ztlm=0*/
4262 ++l_current_data;
4263
4264 /* Stlm 0x50= ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
4265 /* Stlm 0x60= ST=2(16bits-65535 tiles max),SP=1(Ptlm=32bits) */
4266 opj_write_bytes(l_current_data,
4267 size_per_tile_part == 5 ? 0x50 : 0x60,
4268 1);
4269 ++l_current_data;
4270
4271 /* do nothing on the size_per_tile_part * l_j2k->m_specific_param.m_encoder.m_total_tile_parts remaining data */
4272 if (opj_stream_write_data(p_stream,
4273 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size,
4274 p_manager) != l_tlm_size) {
4275 return OPJ_FALSE;
4276 }
4277
4278 return OPJ_TRUE;
4279 }
4280
opj_j2k_write_sot(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 total_data_size,OPJ_UINT32 * p_data_written,const opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4281 static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
4282 OPJ_BYTE * p_data,
4283 OPJ_UINT32 total_data_size,
4284 OPJ_UINT32 * p_data_written,
4285 const opj_stream_private_t *p_stream,
4286 opj_event_mgr_t * p_manager
4287 )
4288 {
4289 /* preconditions */
4290 assert(p_j2k != 00);
4291 assert(p_manager != 00);
4292 assert(p_stream != 00);
4293
4294 OPJ_UNUSED(p_stream);
4295
4296 if (total_data_size < 12) {
4297 opj_event_msg(p_manager, EVT_ERROR,
4298 "Not enough bytes in output buffer to write SOT marker\n");
4299 return OPJ_FALSE;
4300 }
4301
4302 opj_write_bytes(p_data, J2K_MS_SOT,
4303 2); /* SOT */
4304 p_data += 2;
4305
4306 opj_write_bytes(p_data, 10,
4307 2); /* Lsot */
4308 p_data += 2;
4309
4310 opj_write_bytes(p_data, p_j2k->m_current_tile_number,
4311 2); /* Isot */
4312 p_data += 2;
4313
4314 /* Psot */
4315 p_data += 4;
4316
4317 opj_write_bytes(p_data,
4318 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number,
4319 1); /* TPsot */
4320 ++p_data;
4321
4322 opj_write_bytes(p_data,
4323 p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts,
4324 1); /* TNsot */
4325 ++p_data;
4326
4327 /* UniPG>> */
4328 #ifdef USE_JPWL
4329 /* update markers struct */
4330 /*
4331 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOT, p_j2k->sot_start, len + 2);
4332 */
4333 assert(0 && "TODO");
4334 #endif /* USE_JPWL */
4335
4336 * p_data_written = 12;
4337
4338 return OPJ_TRUE;
4339 }
4340
opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,OPJ_UINT32 * p_tile_no,OPJ_UINT32 * p_tot_len,OPJ_UINT32 * p_current_part,OPJ_UINT32 * p_num_parts,opj_event_mgr_t * p_manager)4341 static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
4342 OPJ_UINT32 p_header_size,
4343 OPJ_UINT32* p_tile_no,
4344 OPJ_UINT32* p_tot_len,
4345 OPJ_UINT32* p_current_part,
4346 OPJ_UINT32* p_num_parts,
4347 opj_event_mgr_t * p_manager)
4348 {
4349 /* preconditions */
4350 assert(p_header_data != 00);
4351 assert(p_manager != 00);
4352
4353 /* Size of this marker is fixed = 12 (we have already read marker and its size)*/
4354 if (p_header_size != 8) {
4355 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
4356 return OPJ_FALSE;
4357 }
4358
4359 opj_read_bytes(p_header_data, p_tile_no, 2); /* Isot */
4360 p_header_data += 2;
4361 opj_read_bytes(p_header_data, p_tot_len, 4); /* Psot */
4362 p_header_data += 4;
4363 opj_read_bytes(p_header_data, p_current_part, 1); /* TPsot */
4364 ++p_header_data;
4365 opj_read_bytes(p_header_data, p_num_parts, 1); /* TNsot */
4366 ++p_header_data;
4367 return OPJ_TRUE;
4368 }
4369
opj_j2k_read_sot(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)4370 static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
4371 OPJ_BYTE * p_header_data,
4372 OPJ_UINT32 p_header_size,
4373 opj_event_mgr_t * p_manager)
4374 {
4375 opj_cp_t *l_cp = 00;
4376 opj_tcp_t *l_tcp = 00;
4377 OPJ_UINT32 l_tot_len, l_num_parts = 0;
4378 OPJ_UINT32 l_current_part;
4379 OPJ_UINT32 l_tile_x, l_tile_y;
4380
4381 /* preconditions */
4382
4383 assert(p_j2k != 00);
4384 assert(p_manager != 00);
4385
4386 if (! opj_j2k_get_sot_values(p_header_data, p_header_size,
4387 &(p_j2k->m_current_tile_number), &l_tot_len, &l_current_part, &l_num_parts,
4388 p_manager)) {
4389 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
4390 return OPJ_FALSE;
4391 }
4392 #ifdef DEBUG_VERBOSE
4393 fprintf(stderr, "SOT %d %d %d %d\n",
4394 p_j2k->m_current_tile_number, l_tot_len, l_current_part, l_num_parts);
4395 #endif
4396
4397 l_cp = &(p_j2k->m_cp);
4398
4399 /* testcase 2.pdf.SIGFPE.706.1112 */
4400 if (p_j2k->m_current_tile_number >= l_cp->tw * l_cp->th) {
4401 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile number %d\n",
4402 p_j2k->m_current_tile_number);
4403 return OPJ_FALSE;
4404 }
4405
4406 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
4407 l_tile_x = p_j2k->m_current_tile_number % l_cp->tw;
4408 l_tile_y = p_j2k->m_current_tile_number / l_cp->tw;
4409
4410 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec < 0 ||
4411 p_j2k->m_current_tile_number == (OPJ_UINT32)
4412 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec) {
4413 /* Do only this check if we decode all tile part headers, or if */
4414 /* we decode one precise tile. Otherwise the m_current_tile_part_number */
4415 /* might not be valid */
4416 /* Fixes issue with id_000020,sig_06,src_001958,op_flip4,pos_149 */
4417 /* of https://github.com/uclouvain/openjpeg/issues/939 */
4418 /* We must avoid reading twice the same tile part number for a given tile */
4419 /* so as to avoid various issues, like opj_j2k_merge_ppt being called */
4420 /* several times. */
4421 /* ISO 15444-1 A.4.2 Start of tile-part (SOT) mandates that tile parts */
4422 /* should appear in increasing order. */
4423 if (l_tcp->m_current_tile_part_number + 1 != (OPJ_INT32)l_current_part) {
4424 opj_event_msg(p_manager, EVT_ERROR,
4425 "Invalid tile part index for tile number %d. "
4426 "Got %d, expected %d\n",
4427 p_j2k->m_current_tile_number,
4428 l_current_part,
4429 l_tcp->m_current_tile_part_number + 1);
4430 return OPJ_FALSE;
4431 }
4432 }
4433
4434 l_tcp->m_current_tile_part_number = (OPJ_INT32) l_current_part;
4435
4436 #ifdef USE_JPWL
4437 if (l_cp->correct) {
4438
4439 OPJ_UINT32 tileno = p_j2k->m_current_tile_number;
4440 static OPJ_UINT32 backup_tileno = 0;
4441
4442 /* tileno is negative or larger than the number of tiles!!! */
4443 if (tileno > (l_cp->tw * l_cp->th)) {
4444 opj_event_msg(p_manager, EVT_ERROR,
4445 "JPWL: bad tile number (%d out of a maximum of %d)\n",
4446 tileno, (l_cp->tw * l_cp->th));
4447 if (!JPWL_ASSUME) {
4448 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4449 return OPJ_FALSE;
4450 }
4451 /* we try to correct */
4452 tileno = backup_tileno;
4453 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4454 "- setting tile number to %d\n",
4455 tileno);
4456 }
4457
4458 /* keep your private count of tiles */
4459 backup_tileno++;
4460 };
4461 #endif /* USE_JPWL */
4462
4463 /* look for the tile in the list of already processed tile (in parts). */
4464 /* Optimization possible here with a more complex data structure and with the removing of tiles */
4465 /* since the time taken by this function can only grow at the time */
4466
4467 /* PSot should be equal to zero or >=14 or <= 2^32-1 */
4468 if ((l_tot_len != 0) && (l_tot_len < 14)) {
4469 if (l_tot_len ==
4470 12) { /* MSD: Special case for the PHR data which are read by kakadu*/
4471 opj_event_msg(p_manager, EVT_WARNING, "Empty SOT marker detected: Psot=%d.\n",
4472 l_tot_len);
4473 } else {
4474 opj_event_msg(p_manager, EVT_ERROR,
4475 "Psot value is not correct regards to the JPEG2000 norm: %d.\n", l_tot_len);
4476 return OPJ_FALSE;
4477 }
4478 }
4479
4480 #ifdef USE_JPWL
4481 if (l_cp->correct) {
4482
4483 /* totlen is negative or larger than the bytes left!!! */
4484 if (/*(l_tot_len < 0) ||*/ (l_tot_len >
4485 p_header_size)) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */
4486 opj_event_msg(p_manager, EVT_ERROR,
4487 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
4488 l_tot_len,
4489 p_header_size); /* FIXME it seems correct; for info in V1 -> p_stream_numbytesleft(p_stream) + 8); */
4490 if (!JPWL_ASSUME) {
4491 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4492 return OPJ_FALSE;
4493 }
4494 /* we try to correct */
4495 l_tot_len = 0;
4496 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4497 "- setting Psot to %d => assuming it is the last tile\n",
4498 l_tot_len);
4499 }
4500 };
4501 #endif /* USE_JPWL */
4502
4503 /* Ref A.4.2: Psot could be equal zero if it is the last tile-part of the codestream.*/
4504 if (!l_tot_len) {
4505 opj_event_msg(p_manager, EVT_INFO,
4506 "Psot value of the current tile-part is equal to zero, "
4507 "we assuming it is the last tile-part of the codestream.\n");
4508 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4509 }
4510
4511 if (l_tcp->m_nb_tile_parts != 0 && l_current_part >= l_tcp->m_nb_tile_parts) {
4512 /* Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2851 */
4513 opj_event_msg(p_manager, EVT_ERROR,
4514 "In SOT marker, TPSot (%d) is not valid regards to the previous "
4515 "number of tile-part (%d), giving up\n", l_current_part,
4516 l_tcp->m_nb_tile_parts);
4517 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4518 return OPJ_FALSE;
4519 }
4520
4521 if (l_num_parts !=
4522 0) { /* Number of tile-part header is provided by this tile-part header */
4523 l_num_parts += p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction;
4524 /* Useful to manage the case of textGBR.jp2 file because two values of TNSot are allowed: the correct numbers of
4525 * tile-parts for that tile and zero (A.4.2 of 15444-1 : 2002). */
4526 if (l_tcp->m_nb_tile_parts) {
4527 if (l_current_part >= l_tcp->m_nb_tile_parts) {
4528 opj_event_msg(p_manager, EVT_ERROR,
4529 "In SOT marker, TPSot (%d) is not valid regards to the current "
4530 "number of tile-part (%d), giving up\n", l_current_part,
4531 l_tcp->m_nb_tile_parts);
4532 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4533 return OPJ_FALSE;
4534 }
4535 }
4536 if (l_current_part >= l_num_parts) {
4537 /* testcase 451.pdf.SIGSEGV.ce9.3723 */
4538 opj_event_msg(p_manager, EVT_ERROR,
4539 "In SOT marker, TPSot (%d) is not valid regards to the current "
4540 "number of tile-part (header) (%d), giving up\n", l_current_part, l_num_parts);
4541 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4542 return OPJ_FALSE;
4543 }
4544 l_tcp->m_nb_tile_parts = l_num_parts;
4545 }
4546
4547 /* If know the number of tile part header we will check if we didn't read the last*/
4548 if (l_tcp->m_nb_tile_parts) {
4549 if (l_tcp->m_nb_tile_parts == (l_current_part + 1)) {
4550 p_j2k->m_specific_param.m_decoder.m_can_decode =
4551 1; /* Process the last tile-part header*/
4552 }
4553 }
4554
4555 if (!p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4556 /* Keep the size of data to skip after this marker */
4557 p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len -
4558 12; /* SOT_marker_size = 12 */
4559 } else {
4560 /* FIXME: need to be computed from the number of bytes remaining in the codestream */
4561 p_j2k->m_specific_param.m_decoder.m_sot_length = 0;
4562 }
4563
4564 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPH;
4565
4566 /* Check if the current tile is outside the area we want decode or not corresponding to the tile index*/
4567 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec == -1) {
4568 p_j2k->m_specific_param.m_decoder.m_skip_data =
4569 (l_tile_x < p_j2k->m_specific_param.m_decoder.m_start_tile_x)
4570 || (l_tile_x >= p_j2k->m_specific_param.m_decoder.m_end_tile_x)
4571 || (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y)
4572 || (l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y);
4573 } else {
4574 assert(p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec >= 0);
4575 p_j2k->m_specific_param.m_decoder.m_skip_data =
4576 (p_j2k->m_current_tile_number != (OPJ_UINT32)
4577 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec);
4578 }
4579
4580 /* Index */
4581 if (p_j2k->cstr_index) {
4582 assert(p_j2k->cstr_index->tile_index != 00);
4583 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tileno =
4584 p_j2k->m_current_tile_number;
4585 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno =
4586 l_current_part;
4587
4588 if (l_num_parts != 0) {
4589 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps =
4590 l_num_parts;
4591 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4592 l_num_parts;
4593
4594 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4595 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4596 (opj_tp_index_t*)opj_calloc(l_num_parts, sizeof(opj_tp_index_t));
4597 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4598 opj_event_msg(p_manager, EVT_ERROR,
4599 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4600 return OPJ_FALSE;
4601 }
4602 } else {
4603 opj_tp_index_t *new_tp_index = (opj_tp_index_t *) opj_realloc(
4604 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4605 l_num_parts * sizeof(opj_tp_index_t));
4606 if (! new_tp_index) {
4607 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4608 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4609 opj_event_msg(p_manager, EVT_ERROR,
4610 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4611 return OPJ_FALSE;
4612 }
4613 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4614 new_tp_index;
4615 }
4616 } else {
4617 /*if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index)*/ {
4618
4619 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4620 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 10;
4621 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4622 (opj_tp_index_t*)opj_calloc(
4623 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps,
4624 sizeof(opj_tp_index_t));
4625 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4626 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4627 opj_event_msg(p_manager, EVT_ERROR,
4628 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4629 return OPJ_FALSE;
4630 }
4631 }
4632
4633 if (l_current_part >=
4634 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps) {
4635 opj_tp_index_t *new_tp_index;
4636 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4637 l_current_part + 1;
4638 new_tp_index = (opj_tp_index_t *) opj_realloc(
4639 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4640 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps *
4641 sizeof(opj_tp_index_t));
4642 if (! new_tp_index) {
4643 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4644 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4645 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4646 opj_event_msg(p_manager, EVT_ERROR,
4647 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4648 return OPJ_FALSE;
4649 }
4650 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4651 new_tp_index;
4652 }
4653 }
4654
4655 }
4656
4657 }
4658
4659 /* 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 */
4660 /* if (p_j2k->cstr_info) {
4661 if (l_tcp->first) {
4662 if (tileno == 0) {
4663 p_j2k->cstr_info->main_head_end = p_stream_tell(p_stream) - 13;
4664 }
4665
4666 p_j2k->cstr_info->tile[tileno].tileno = tileno;
4667 p_j2k->cstr_info->tile[tileno].start_pos = p_stream_tell(p_stream) - 12;
4668 p_j2k->cstr_info->tile[tileno].end_pos = p_j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
4669 p_j2k->cstr_info->tile[tileno].num_tps = numparts;
4670
4671 if (numparts) {
4672 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
4673 }
4674 else {
4675 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
4676 }
4677 }
4678 else {
4679 p_j2k->cstr_info->tile[tileno].end_pos += totlen;
4680 }
4681
4682 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = p_stream_tell(p_stream) - 12;
4683 p_j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
4684 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
4685 }*/
4686 return OPJ_TRUE;
4687 }
4688
4689 /**
4690 * Write one or more PLT markers in the provided buffer
4691 */
opj_j2k_write_plt_in_memory(opj_j2k_t * p_j2k,opj_tcd_marker_info_t * marker_info,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,opj_event_mgr_t * p_manager)4692 static OPJ_BOOL opj_j2k_write_plt_in_memory(opj_j2k_t *p_j2k,
4693 opj_tcd_marker_info_t* marker_info,
4694 OPJ_BYTE * p_data,
4695 OPJ_UINT32 * p_data_written,
4696 opj_event_mgr_t * p_manager)
4697 {
4698 OPJ_BYTE Zplt = 0;
4699 OPJ_UINT16 Lplt;
4700 OPJ_BYTE* p_data_start = p_data;
4701 OPJ_BYTE* p_data_Lplt = p_data + 2;
4702 OPJ_UINT32 i;
4703
4704 OPJ_UNUSED(p_j2k);
4705
4706 opj_write_bytes(p_data, J2K_MS_PLT, 2);
4707 p_data += 2;
4708
4709 /* Reserve space for Lplt */
4710 p_data += 2;
4711
4712 opj_write_bytes(p_data, Zplt, 1);
4713 p_data += 1;
4714
4715 Lplt = 3;
4716
4717 for (i = 0; i < marker_info->packet_count; i++) {
4718 OPJ_BYTE var_bytes[5];
4719 OPJ_UINT8 var_bytes_size = 0;
4720 OPJ_UINT32 packet_size = marker_info->p_packet_size[i];
4721
4722 /* Packet size written in variable-length way, starting with LSB */
4723 var_bytes[var_bytes_size] = (OPJ_BYTE)(packet_size & 0x7f);
4724 var_bytes_size ++;
4725 packet_size >>= 7;
4726 while (packet_size > 0) {
4727 var_bytes[var_bytes_size] = (OPJ_BYTE)((packet_size & 0x7f) | 0x80);
4728 var_bytes_size ++;
4729 packet_size >>= 7;
4730 }
4731
4732 /* Check if that can fit in the current PLT marker. If not, finish */
4733 /* current one, and start a new one */
4734 if (Lplt + var_bytes_size > 65535) {
4735 if (Zplt == 255) {
4736 opj_event_msg(p_manager, EVT_ERROR,
4737 "More than 255 PLT markers would be needed for current tile-part !\n");
4738 return OPJ_FALSE;
4739 }
4740
4741 /* Patch Lplt */
4742 opj_write_bytes(p_data_Lplt, Lplt, 2);
4743
4744 /* Start new segment */
4745 opj_write_bytes(p_data, J2K_MS_PLT, 2);
4746 p_data += 2;
4747
4748 /* Reserve space for Lplt */
4749 p_data_Lplt = p_data;
4750 p_data += 2;
4751
4752 Zplt ++;
4753 opj_write_bytes(p_data, Zplt, 1);
4754 p_data += 1;
4755
4756 Lplt = 3;
4757 }
4758
4759 Lplt = (OPJ_UINT16)(Lplt + var_bytes_size);
4760
4761 /* Serialize variable-length packet size, starting with MSB */
4762 for (; var_bytes_size > 0; --var_bytes_size) {
4763 opj_write_bytes(p_data, var_bytes[var_bytes_size - 1], 1);
4764 p_data += 1;
4765 }
4766 }
4767
4768 *p_data_written = (OPJ_UINT32)(p_data - p_data_start);
4769
4770 /* Patch Lplt */
4771 opj_write_bytes(p_data_Lplt, Lplt, 2);
4772
4773 return OPJ_TRUE;
4774 }
4775
opj_j2k_write_sod(opj_j2k_t * p_j2k,opj_tcd_t * p_tile_coder,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,OPJ_UINT32 total_data_size,const opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4776 static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
4777 opj_tcd_t * p_tile_coder,
4778 OPJ_BYTE * p_data,
4779 OPJ_UINT32 * p_data_written,
4780 OPJ_UINT32 total_data_size,
4781 const opj_stream_private_t *p_stream,
4782 opj_event_mgr_t * p_manager
4783 )
4784 {
4785 opj_codestream_info_t *l_cstr_info = 00;
4786 OPJ_UINT32 l_remaining_data;
4787 opj_tcd_marker_info_t* marker_info = NULL;
4788
4789 /* preconditions */
4790 assert(p_j2k != 00);
4791 assert(p_manager != 00);
4792 assert(p_stream != 00);
4793
4794 OPJ_UNUSED(p_stream);
4795
4796 if (total_data_size < 4) {
4797 opj_event_msg(p_manager, EVT_ERROR,
4798 "Not enough bytes in output buffer to write SOD marker\n");
4799 return OPJ_FALSE;
4800 }
4801
4802 opj_write_bytes(p_data, J2K_MS_SOD,
4803 2); /* SOD */
4804
4805 /* make room for the EOF marker */
4806 l_remaining_data = total_data_size - 4;
4807
4808 /* update tile coder */
4809 p_tile_coder->tp_num =
4810 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number ;
4811 p_tile_coder->cur_tp_num =
4812 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
4813
4814 /* INDEX >> */
4815 /* TODO mergeV2: check this part which use cstr_info */
4816 /*l_cstr_info = p_j2k->cstr_info;
4817 if (l_cstr_info) {
4818 if (!p_j2k->m_specific_param.m_encoder.m_current_tile_part_number ) {
4819 //TODO cstr_info->tile[p_j2k->m_current_tile_number].end_header = p_stream_tell(p_stream) + p_j2k->pos_correction - 1;
4820 l_cstr_info->tile[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
4821 }
4822 else {*/
4823 /*
4824 TODO
4825 if
4826 (cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno - 1].end_pos < p_stream_tell(p_stream))
4827 {
4828 cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno].start_pos = p_stream_tell(p_stream);
4829 }*/
4830 /*}*/
4831 /* UniPG>> */
4832 #ifdef USE_JPWL
4833 /* update markers struct */
4834 /*OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOD, p_j2k->sod_start, 2);
4835 */
4836 assert(0 && "TODO");
4837 #endif /* USE_JPWL */
4838 /* <<UniPG */
4839 /*}*/
4840 /* << INDEX */
4841
4842 if (p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0) {
4843 p_tile_coder->tcd_image->tiles->packno = 0;
4844 #ifdef deadcode
4845 if (l_cstr_info) {
4846 l_cstr_info->packno = 0;
4847 }
4848 #endif
4849 }
4850
4851 *p_data_written = 0;
4852
4853 if (p_j2k->m_specific_param.m_encoder.m_PLT) {
4854 marker_info = opj_tcd_marker_info_create(
4855 p_j2k->m_specific_param.m_encoder.m_PLT);
4856 if (marker_info == NULL) {
4857 opj_event_msg(p_manager, EVT_ERROR,
4858 "Cannot encode tile: opj_tcd_marker_info_create() failed\n");
4859 return OPJ_FALSE;
4860 }
4861 }
4862
4863 if (l_remaining_data <
4864 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT) {
4865 opj_event_msg(p_manager, EVT_ERROR,
4866 "Not enough bytes in output buffer to write SOD marker\n");
4867 opj_tcd_marker_info_destroy(marker_info);
4868 return OPJ_FALSE;
4869 }
4870 l_remaining_data -= p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT;
4871
4872 if (! opj_tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number,
4873 p_data + 2,
4874 p_data_written, l_remaining_data, l_cstr_info,
4875 marker_info,
4876 p_manager)) {
4877 opj_event_msg(p_manager, EVT_ERROR, "Cannot encode tile\n");
4878 opj_tcd_marker_info_destroy(marker_info);
4879 return OPJ_FALSE;
4880 }
4881
4882 /* For SOD */
4883 *p_data_written += 2;
4884
4885 if (p_j2k->m_specific_param.m_encoder.m_PLT) {
4886 OPJ_UINT32 l_data_written_PLT = 0;
4887 OPJ_BYTE* p_PLT_buffer = (OPJ_BYTE*)opj_malloc(
4888 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT);
4889 if (!p_PLT_buffer) {
4890 opj_event_msg(p_manager, EVT_ERROR, "Cannot allocate memory\n");
4891 opj_tcd_marker_info_destroy(marker_info);
4892 return OPJ_FALSE;
4893 }
4894 if (!opj_j2k_write_plt_in_memory(p_j2k,
4895 marker_info,
4896 p_PLT_buffer,
4897 &l_data_written_PLT,
4898 p_manager)) {
4899 opj_tcd_marker_info_destroy(marker_info);
4900 opj_free(p_PLT_buffer);
4901 return OPJ_FALSE;
4902 }
4903
4904 assert(l_data_written_PLT <=
4905 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT);
4906
4907 /* Move PLT marker(s) before SOD */
4908 memmove(p_data + l_data_written_PLT, p_data, *p_data_written);
4909 memcpy(p_data, p_PLT_buffer, l_data_written_PLT);
4910 opj_free(p_PLT_buffer);
4911 *p_data_written += l_data_written_PLT;
4912 }
4913
4914 opj_tcd_marker_info_destroy(marker_info);
4915
4916 return OPJ_TRUE;
4917 }
4918
opj_j2k_read_sod(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4919 static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
4920 opj_stream_private_t *p_stream,
4921 opj_event_mgr_t * p_manager
4922 )
4923 {
4924 OPJ_SIZE_T l_current_read_size;
4925 opj_codestream_index_t * l_cstr_index = 00;
4926 OPJ_BYTE ** l_current_data = 00;
4927 opj_tcp_t * l_tcp = 00;
4928 OPJ_UINT32 * l_tile_len = 00;
4929 OPJ_BOOL l_sot_length_pb_detected = OPJ_FALSE;
4930
4931 /* preconditions */
4932 assert(p_j2k != 00);
4933 assert(p_manager != 00);
4934 assert(p_stream != 00);
4935
4936 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
4937
4938 if (p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4939 /* opj_stream_get_number_byte_left returns OPJ_OFF_T
4940 // but we are in the last tile part,
4941 // so its result will fit on OPJ_UINT32 unless we find
4942 // a file with a single tile part of more than 4 GB...*/
4943 p_j2k->m_specific_param.m_decoder.m_sot_length = (OPJ_UINT32)(
4944 opj_stream_get_number_byte_left(p_stream) - 2);
4945 } else {
4946 /* Check to avoid pass the limit of OPJ_UINT32 */
4947 if (p_j2k->m_specific_param.m_decoder.m_sot_length >= 2) {
4948 p_j2k->m_specific_param.m_decoder.m_sot_length -= 2;
4949 } else {
4950 /* MSD: case commented to support empty SOT marker (PHR data) */
4951 }
4952 }
4953
4954 l_current_data = &(l_tcp->m_data);
4955 l_tile_len = &l_tcp->m_data_size;
4956
4957 /* Patch to support new PHR data */
4958 if (p_j2k->m_specific_param.m_decoder.m_sot_length) {
4959 /* If we are here, we'll try to read the data after allocation */
4960 /* Check enough bytes left in stream before allocation */
4961 if ((OPJ_OFF_T)p_j2k->m_specific_param.m_decoder.m_sot_length >
4962 opj_stream_get_number_byte_left(p_stream)) {
4963 if (p_j2k->m_cp.strict) {
4964 opj_event_msg(p_manager, EVT_ERROR,
4965 "Tile part length size inconsistent with stream length\n");
4966 return OPJ_FALSE;
4967 } else {
4968 opj_event_msg(p_manager, EVT_WARNING,
4969 "Tile part length size inconsistent with stream length\n");
4970 }
4971 }
4972 if (p_j2k->m_specific_param.m_decoder.m_sot_length >
4973 UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA) {
4974 opj_event_msg(p_manager, EVT_ERROR,
4975 "p_j2k->m_specific_param.m_decoder.m_sot_length > "
4976 "UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA");
4977 return OPJ_FALSE;
4978 }
4979 /* Add a margin of OPJ_COMMON_CBLK_DATA_EXTRA to the allocation we */
4980 /* do so that opj_mqc_init_dec_common() can safely add a synthetic */
4981 /* 0xFFFF marker. */
4982 if (! *l_current_data) {
4983 /* LH: oddly enough, in this path, l_tile_len!=0.
4984 * TODO: If this was consistent, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...).
4985 */
4986 *l_current_data = (OPJ_BYTE*) opj_malloc(
4987 p_j2k->m_specific_param.m_decoder.m_sot_length + OPJ_COMMON_CBLK_DATA_EXTRA);
4988 } else {
4989 OPJ_BYTE *l_new_current_data;
4990 if (*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA -
4991 p_j2k->m_specific_param.m_decoder.m_sot_length) {
4992 opj_event_msg(p_manager, EVT_ERROR,
4993 "*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA - "
4994 "p_j2k->m_specific_param.m_decoder.m_sot_length");
4995 return OPJ_FALSE;
4996 }
4997
4998 l_new_current_data = (OPJ_BYTE *) opj_realloc(*l_current_data,
4999 *l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length +
5000 OPJ_COMMON_CBLK_DATA_EXTRA);
5001 if (! l_new_current_data) {
5002 opj_free(*l_current_data);
5003 /*nothing more is done as l_current_data will be set to null, and just
5004 afterward we enter in the error path
5005 and the actual tile_len is updated (committed) at the end of the
5006 function. */
5007 }
5008 *l_current_data = l_new_current_data;
5009 }
5010
5011 if (*l_current_data == 00) {
5012 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile\n");
5013 return OPJ_FALSE;
5014 }
5015 } else {
5016 l_sot_length_pb_detected = OPJ_TRUE;
5017 }
5018
5019 /* Index */
5020 l_cstr_index = p_j2k->cstr_index;
5021 if (l_cstr_index) {
5022 OPJ_OFF_T l_current_pos = opj_stream_tell(p_stream) - 2;
5023
5024 OPJ_UINT32 l_current_tile_part =
5025 l_cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno;
5026 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_header
5027 =
5028 l_current_pos;
5029 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_pos
5030 =
5031 l_current_pos + p_j2k->m_specific_param.m_decoder.m_sot_length + 2;
5032
5033 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
5034 l_cstr_index,
5035 J2K_MS_SOD,
5036 l_current_pos,
5037 p_j2k->m_specific_param.m_decoder.m_sot_length + 2)) {
5038 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
5039 return OPJ_FALSE;
5040 }
5041
5042 /*l_cstr_index->packno = 0;*/
5043 }
5044
5045 /* Patch to support new PHR data */
5046 if (!l_sot_length_pb_detected) {
5047 l_current_read_size = opj_stream_read_data(
5048 p_stream,
5049 *l_current_data + *l_tile_len,
5050 p_j2k->m_specific_param.m_decoder.m_sot_length,
5051 p_manager);
5052 } else {
5053 l_current_read_size = 0;
5054 }
5055
5056 if (l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length) {
5057 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
5058 } else {
5059 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
5060 }
5061
5062 *l_tile_len += (OPJ_UINT32)l_current_read_size;
5063
5064 return OPJ_TRUE;
5065 }
5066
opj_j2k_write_rgn(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no,OPJ_UINT32 nb_comps,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)5067 static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
5068 OPJ_UINT32 p_tile_no,
5069 OPJ_UINT32 p_comp_no,
5070 OPJ_UINT32 nb_comps,
5071 opj_stream_private_t *p_stream,
5072 opj_event_mgr_t * p_manager
5073 )
5074 {
5075 OPJ_BYTE * l_current_data = 00;
5076 OPJ_UINT32 l_rgn_size;
5077 opj_cp_t *l_cp = 00;
5078 opj_tcp_t *l_tcp = 00;
5079 opj_tccp_t *l_tccp = 00;
5080 OPJ_UINT32 l_comp_room;
5081
5082 /* preconditions */
5083 assert(p_j2k != 00);
5084 assert(p_manager != 00);
5085 assert(p_stream != 00);
5086
5087 l_cp = &(p_j2k->m_cp);
5088 l_tcp = &l_cp->tcps[p_tile_no];
5089 l_tccp = &l_tcp->tccps[p_comp_no];
5090
5091 if (nb_comps <= 256) {
5092 l_comp_room = 1;
5093 } else {
5094 l_comp_room = 2;
5095 }
5096
5097 l_rgn_size = 6 + l_comp_room;
5098
5099 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5100
5101 opj_write_bytes(l_current_data, J2K_MS_RGN,
5102 2); /* RGN */
5103 l_current_data += 2;
5104
5105 opj_write_bytes(l_current_data, l_rgn_size - 2,
5106 2); /* Lrgn */
5107 l_current_data += 2;
5108
5109 opj_write_bytes(l_current_data, p_comp_no,
5110 l_comp_room); /* Crgn */
5111 l_current_data += l_comp_room;
5112
5113 opj_write_bytes(l_current_data, 0,
5114 1); /* Srgn */
5115 ++l_current_data;
5116
5117 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tccp->roishift,
5118 1); /* SPrgn */
5119 ++l_current_data;
5120
5121 if (opj_stream_write_data(p_stream,
5122 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_rgn_size,
5123 p_manager) != l_rgn_size) {
5124 return OPJ_FALSE;
5125 }
5126
5127 return OPJ_TRUE;
5128 }
5129
opj_j2k_write_eoc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)5130 static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
5131 opj_stream_private_t *p_stream,
5132 opj_event_mgr_t * p_manager
5133 )
5134 {
5135 /* preconditions */
5136 assert(p_j2k != 00);
5137 assert(p_manager != 00);
5138 assert(p_stream != 00);
5139
5140 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_header_tile_data,
5141 J2K_MS_EOC, 2); /* EOC */
5142
5143 /* UniPG>> */
5144 #ifdef USE_JPWL
5145 /* update markers struct */
5146 /*
5147 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_EOC, p_stream_tell(p_stream) - 2, 2);
5148 */
5149 #endif /* USE_JPWL */
5150
5151 if (opj_stream_write_data(p_stream,
5152 p_j2k->m_specific_param.m_encoder.m_header_tile_data, 2, p_manager) != 2) {
5153 return OPJ_FALSE;
5154 }
5155
5156 if (! opj_stream_flush(p_stream, p_manager)) {
5157 return OPJ_FALSE;
5158 }
5159
5160 return OPJ_TRUE;
5161 }
5162
5163 /**
5164 * Reads a RGN marker (Region Of Interest)
5165 *
5166 * @param p_header_data the data contained in the POC box.
5167 * @param p_j2k the jpeg2000 codec.
5168 * @param p_header_size the size of the data contained in the POC marker.
5169 * @param p_manager the user event manager.
5170 */
opj_j2k_read_rgn(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)5171 static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
5172 OPJ_BYTE * p_header_data,
5173 OPJ_UINT32 p_header_size,
5174 opj_event_mgr_t * p_manager
5175 )
5176 {
5177 OPJ_UINT32 l_nb_comp;
5178 opj_image_t * l_image = 00;
5179
5180 opj_cp_t *l_cp = 00;
5181 opj_tcp_t *l_tcp = 00;
5182 OPJ_UINT32 l_comp_room, l_comp_no, l_roi_sty;
5183
5184 /* preconditions*/
5185 assert(p_header_data != 00);
5186 assert(p_j2k != 00);
5187 assert(p_manager != 00);
5188
5189 l_image = p_j2k->m_private_image;
5190 l_nb_comp = l_image->numcomps;
5191
5192 if (l_nb_comp <= 256) {
5193 l_comp_room = 1;
5194 } else {
5195 l_comp_room = 2;
5196 }
5197
5198 if (p_header_size != 2 + l_comp_room) {
5199 opj_event_msg(p_manager, EVT_ERROR, "Error reading RGN marker\n");
5200 return OPJ_FALSE;
5201 }
5202
5203 l_cp = &(p_j2k->m_cp);
5204 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
5205 &l_cp->tcps[p_j2k->m_current_tile_number] :
5206 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5207
5208 opj_read_bytes(p_header_data, &l_comp_no, l_comp_room); /* Crgn */
5209 p_header_data += l_comp_room;
5210 opj_read_bytes(p_header_data, &l_roi_sty,
5211 1); /* Srgn */
5212 ++p_header_data;
5213
5214 #ifdef USE_JPWL
5215 if (l_cp->correct) {
5216 /* totlen is negative or larger than the bytes left!!! */
5217 if (l_comp_room >= l_nb_comp) {
5218 opj_event_msg(p_manager, EVT_ERROR,
5219 "JPWL: bad component number in RGN (%d when there are only %d)\n",
5220 l_comp_room, l_nb_comp);
5221 if (!JPWL_ASSUME) {
5222 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
5223 return OPJ_FALSE;
5224 }
5225 }
5226 };
5227 #endif /* USE_JPWL */
5228
5229 /* testcase 3635.pdf.asan.77.2930 */
5230 if (l_comp_no >= l_nb_comp) {
5231 opj_event_msg(p_manager, EVT_ERROR,
5232 "bad component number in RGN (%d when there are only %d)\n",
5233 l_comp_no, l_nb_comp);
5234 return OPJ_FALSE;
5235 }
5236
5237 opj_read_bytes(p_header_data,
5238 (OPJ_UINT32 *)(&(l_tcp->tccps[l_comp_no].roishift)), 1); /* SPrgn */
5239 ++p_header_data;
5240
5241 return OPJ_TRUE;
5242
5243 }
5244
opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)5245 static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)
5246 {
5247 return (OPJ_FLOAT32)((p_tcp->m_nb_tile_parts - 1) * 14);
5248 }
5249
opj_j2k_get_default_stride(opj_tcp_t * p_tcp)5250 static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp)
5251 {
5252 (void)p_tcp;
5253 return 0;
5254 }
5255
opj_j2k_update_rates(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)5256 static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
5257 opj_stream_private_t *p_stream,
5258 opj_event_mgr_t * p_manager)
5259 {
5260 opj_cp_t * l_cp = 00;
5261 opj_image_t * l_image = 00;
5262 opj_tcp_t * l_tcp = 00;
5263 opj_image_comp_t * l_img_comp = 00;
5264
5265 OPJ_UINT32 i, j, k;
5266 OPJ_INT32 l_x0, l_y0, l_x1, l_y1;
5267 OPJ_FLOAT32 * l_rates = 0;
5268 OPJ_FLOAT32 l_sot_remove;
5269 OPJ_UINT32 l_bits_empty, l_size_pixel;
5270 OPJ_UINT64 l_tile_size = 0;
5271 OPJ_UINT32 l_last_res;
5272 OPJ_FLOAT32(* l_tp_stride_func)(opj_tcp_t *) = 00;
5273
5274 /* preconditions */
5275 assert(p_j2k != 00);
5276 assert(p_manager != 00);
5277 assert(p_stream != 00);
5278
5279 OPJ_UNUSED(p_manager);
5280
5281 l_cp = &(p_j2k->m_cp);
5282 l_image = p_j2k->m_private_image;
5283 l_tcp = l_cp->tcps;
5284
5285 l_bits_empty = 8 * l_image->comps->dx * l_image->comps->dy;
5286 l_size_pixel = l_image->numcomps * l_image->comps->prec;
5287 l_sot_remove = (OPJ_FLOAT32) opj_stream_tell(p_stream) / (OPJ_FLOAT32)(
5288 l_cp->th * l_cp->tw);
5289
5290 if (l_cp->m_specific_param.m_enc.m_tp_on) {
5291 l_tp_stride_func = opj_j2k_get_tp_stride;
5292 } else {
5293 l_tp_stride_func = opj_j2k_get_default_stride;
5294 }
5295
5296 for (i = 0; i < l_cp->th; ++i) {
5297 for (j = 0; j < l_cp->tw; ++j) {
5298 OPJ_FLOAT32 l_offset = (OPJ_FLOAT32)(*l_tp_stride_func)(l_tcp) /
5299 (OPJ_FLOAT32)l_tcp->numlayers;
5300
5301 /* 4 borders of the tile rescale on the image if necessary */
5302 l_x0 = opj_int_max((OPJ_INT32)(l_cp->tx0 + j * l_cp->tdx),
5303 (OPJ_INT32)l_image->x0);
5304 l_y0 = opj_int_max((OPJ_INT32)(l_cp->ty0 + i * l_cp->tdy),
5305 (OPJ_INT32)l_image->y0);
5306 l_x1 = opj_int_min((OPJ_INT32)(l_cp->tx0 + (j + 1) * l_cp->tdx),
5307 (OPJ_INT32)l_image->x1);
5308 l_y1 = opj_int_min((OPJ_INT32)(l_cp->ty0 + (i + 1) * l_cp->tdy),
5309 (OPJ_INT32)l_image->y1);
5310
5311 l_rates = l_tcp->rates;
5312
5313 /* Modification of the RATE >> */
5314 for (k = 0; k < l_tcp->numlayers; ++k) {
5315 if (*l_rates > 0.0f) {
5316 *l_rates = (OPJ_FLOAT32)(((OPJ_FLOAT64)l_size_pixel * (OPJ_UINT32)(
5317 l_x1 - l_x0) *
5318 (OPJ_UINT32)(l_y1 - l_y0))
5319 / ((*l_rates) * (OPJ_FLOAT32)l_bits_empty))
5320 -
5321 l_offset;
5322 }
5323
5324 ++l_rates;
5325 }
5326
5327 ++l_tcp;
5328
5329 }
5330 }
5331
5332 l_tcp = l_cp->tcps;
5333
5334 for (i = 0; i < l_cp->th; ++i) {
5335 for (j = 0; j < l_cp->tw; ++j) {
5336 l_rates = l_tcp->rates;
5337
5338 if (*l_rates > 0.0f) {
5339 *l_rates -= l_sot_remove;
5340
5341 if (*l_rates < 30.0f) {
5342 *l_rates = 30.0f;
5343 }
5344 }
5345
5346 ++l_rates;
5347
5348 l_last_res = l_tcp->numlayers - 1;
5349
5350 for (k = 1; k < l_last_res; ++k) {
5351
5352 if (*l_rates > 0.0f) {
5353 *l_rates -= l_sot_remove;
5354
5355 if (*l_rates < * (l_rates - 1) + 10.0f) {
5356 *l_rates = (*(l_rates - 1)) + 20.0f;
5357 }
5358 }
5359
5360 ++l_rates;
5361 }
5362
5363 if (*l_rates > 0.0f) {
5364 *l_rates -= (l_sot_remove + 2.f);
5365
5366 if (*l_rates < * (l_rates - 1) + 10.0f) {
5367 *l_rates = (*(l_rates - 1)) + 20.0f;
5368 }
5369 }
5370
5371 ++l_tcp;
5372 }
5373 }
5374
5375 l_img_comp = l_image->comps;
5376 l_tile_size = 0;
5377
5378 for (i = 0; i < l_image->numcomps; ++i) {
5379 l_tile_size += (OPJ_UINT64)opj_uint_ceildiv(l_cp->tdx, l_img_comp->dx)
5380 *
5381 opj_uint_ceildiv(l_cp->tdy, l_img_comp->dy)
5382 *
5383 l_img_comp->prec;
5384
5385 ++l_img_comp;
5386 }
5387
5388 /* TODO: where does this magic value come from ? */
5389 /* This used to be 1.3 / 8, but with random data and very small code */
5390 /* block sizes, this is not enough. For example with */
5391 /* bin/test_tile_encoder 1 256 256 32 32 8 0 reversible_with_precinct.j2k 4 4 3 0 0 1 16 16 */
5392 /* TODO revise this to take into account the overhead linked to the */
5393 /* number of packets and number of code blocks in packets */
5394 l_tile_size = (OPJ_UINT64)((double)l_tile_size * 1.4 / 8);
5395
5396 /* Arbitrary amount to make the following work: */
5397 /* bin/test_tile_encoder 1 256 256 17 16 8 0 reversible_no_precinct.j2k 4 4 3 0 0 1 */
5398 l_tile_size += 500;
5399
5400 l_tile_size += opj_j2k_get_specific_header_sizes(p_j2k);
5401
5402 if (l_tile_size > UINT_MAX) {
5403 l_tile_size = UINT_MAX;
5404 }
5405
5406 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = (OPJ_UINT32)l_tile_size;
5407 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data =
5408 (OPJ_BYTE *) opj_malloc(p_j2k->m_specific_param.m_encoder.m_encoded_tile_size);
5409 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00) {
5410 opj_event_msg(p_manager, EVT_ERROR,
5411 "Not enough memory to allocate m_encoded_tile_data. %u MB required\n",
5412 (OPJ_UINT32)(l_tile_size / 1024 / 1024));
5413 return OPJ_FALSE;
5414 }
5415
5416 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
5417 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer =
5418 (OPJ_BYTE *) opj_malloc(6 *
5419 p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
5420 if (! p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
5421 return OPJ_FALSE;
5422 }
5423
5424 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current =
5425 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer;
5426 }
5427
5428 return OPJ_TRUE;
5429 }
5430
5431 #if 0
5432 static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
5433 opj_stream_private_t *p_stream,
5434 opj_event_mgr_t * p_manager)
5435 {
5436 OPJ_UINT32 i;
5437 opj_tcd_t * l_tcd = 00;
5438 OPJ_UINT32 l_nb_tiles;
5439 opj_tcp_t * l_tcp = 00;
5440 OPJ_BOOL l_success;
5441
5442 /* preconditions */
5443 assert(p_j2k != 00);
5444 assert(p_manager != 00);
5445 assert(p_stream != 00);
5446
5447 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
5448 l_tcp = p_j2k->m_cp.tcps;
5449
5450 l_tcd = opj_tcd_create(OPJ_TRUE);
5451 if (l_tcd == 00) {
5452 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5453 return OPJ_FALSE;
5454 }
5455
5456 for (i = 0; i < l_nb_tiles; ++i) {
5457 if (l_tcp->m_data) {
5458 if (! opj_tcd_init_decode_tile(l_tcd, i)) {
5459 opj_tcd_destroy(l_tcd);
5460 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5461 return OPJ_FALSE;
5462 }
5463
5464 l_success = opj_tcd_decode_tile(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i,
5465 p_j2k->cstr_index);
5466 /* cleanup */
5467
5468 if (! l_success) {
5469 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
5470 break;
5471 }
5472 }
5473
5474 opj_j2k_tcp_destroy(l_tcp);
5475 ++l_tcp;
5476 }
5477
5478 opj_tcd_destroy(l_tcd);
5479 return OPJ_TRUE;
5480 }
5481 #endif
5482
opj_j2k_get_end_header(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5483 static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
5484 struct opj_stream_private *p_stream,
5485 struct opj_event_mgr * p_manager)
5486 {
5487 /* preconditions */
5488 assert(p_j2k != 00);
5489 assert(p_manager != 00);
5490 assert(p_stream != 00);
5491
5492 OPJ_UNUSED(p_manager);
5493
5494 p_j2k->cstr_index->main_head_end = opj_stream_tell(p_stream);
5495
5496 return OPJ_TRUE;
5497 }
5498
opj_j2k_write_mct_data_group(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5499 static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
5500 struct opj_stream_private *p_stream,
5501 struct opj_event_mgr * p_manager)
5502 {
5503 OPJ_UINT32 i;
5504 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5505 opj_mct_data_t * l_mct_record;
5506 opj_tcp_t * l_tcp;
5507
5508 /* preconditions */
5509 assert(p_j2k != 00);
5510 assert(p_stream != 00);
5511 assert(p_manager != 00);
5512
5513 if (! opj_j2k_write_cbd(p_j2k, p_stream, p_manager)) {
5514 return OPJ_FALSE;
5515 }
5516
5517 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
5518 l_mct_record = l_tcp->m_mct_records;
5519
5520 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5521
5522 if (! opj_j2k_write_mct_record(p_j2k, l_mct_record, p_stream, p_manager)) {
5523 return OPJ_FALSE;
5524 }
5525
5526 ++l_mct_record;
5527 }
5528
5529 l_mcc_record = l_tcp->m_mcc_records;
5530
5531 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5532
5533 if (! opj_j2k_write_mcc_record(p_j2k, l_mcc_record, p_stream, p_manager)) {
5534 return OPJ_FALSE;
5535 }
5536
5537 ++l_mcc_record;
5538 }
5539
5540 if (! opj_j2k_write_mco(p_j2k, p_stream, p_manager)) {
5541 return OPJ_FALSE;
5542 }
5543
5544 return OPJ_TRUE;
5545 }
5546
opj_j2k_write_all_coc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5547 static OPJ_BOOL opj_j2k_write_all_coc(
5548 opj_j2k_t *p_j2k,
5549 struct opj_stream_private *p_stream,
5550 struct opj_event_mgr * p_manager)
5551 {
5552 OPJ_UINT32 compno;
5553
5554 /* preconditions */
5555 assert(p_j2k != 00);
5556 assert(p_manager != 00);
5557 assert(p_stream != 00);
5558
5559 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5560 /* cod is first component of first tile */
5561 if (! opj_j2k_compare_coc(p_j2k, 0, compno)) {
5562 if (! opj_j2k_write_coc(p_j2k, compno, p_stream, p_manager)) {
5563 return OPJ_FALSE;
5564 }
5565 }
5566 }
5567
5568 return OPJ_TRUE;
5569 }
5570
opj_j2k_write_all_qcc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5571 static OPJ_BOOL opj_j2k_write_all_qcc(
5572 opj_j2k_t *p_j2k,
5573 struct opj_stream_private *p_stream,
5574 struct opj_event_mgr * p_manager)
5575 {
5576 OPJ_UINT32 compno;
5577
5578 /* preconditions */
5579 assert(p_j2k != 00);
5580 assert(p_manager != 00);
5581 assert(p_stream != 00);
5582
5583 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5584 /* qcd is first component of first tile */
5585 if (! opj_j2k_compare_qcc(p_j2k, 0, compno)) {
5586 if (! opj_j2k_write_qcc(p_j2k, compno, p_stream, p_manager)) {
5587 return OPJ_FALSE;
5588 }
5589 }
5590 }
5591 return OPJ_TRUE;
5592 }
5593
opj_j2k_write_regions(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5594 static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
5595 struct opj_stream_private *p_stream,
5596 struct opj_event_mgr * p_manager)
5597 {
5598 OPJ_UINT32 compno;
5599 const opj_tccp_t *l_tccp = 00;
5600
5601 /* preconditions */
5602 assert(p_j2k != 00);
5603 assert(p_manager != 00);
5604 assert(p_stream != 00);
5605
5606 l_tccp = p_j2k->m_cp.tcps->tccps;
5607
5608 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
5609 if (l_tccp->roishift) {
5610
5611 if (! opj_j2k_write_rgn(p_j2k, 0, compno, p_j2k->m_private_image->numcomps,
5612 p_stream, p_manager)) {
5613 return OPJ_FALSE;
5614 }
5615 }
5616
5617 ++l_tccp;
5618 }
5619
5620 return OPJ_TRUE;
5621 }
5622
opj_j2k_write_epc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5623 static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
5624 struct opj_stream_private *p_stream,
5625 struct opj_event_mgr * p_manager)
5626 {
5627 opj_codestream_index_t * l_cstr_index = 00;
5628
5629 /* preconditions */
5630 assert(p_j2k != 00);
5631 assert(p_manager != 00);
5632 assert(p_stream != 00);
5633
5634 OPJ_UNUSED(p_manager);
5635
5636 l_cstr_index = p_j2k->cstr_index;
5637 if (l_cstr_index) {
5638 l_cstr_index->codestream_size = (OPJ_UINT64)opj_stream_tell(p_stream);
5639 /* UniPG>> */
5640 /* The following adjustment is done to adjust the codestream size */
5641 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
5642 /* the first bunch of bytes is not in the codestream */
5643 l_cstr_index->codestream_size -= (OPJ_UINT64)l_cstr_index->main_head_start;
5644 /* <<UniPG */
5645 }
5646
5647 #ifdef USE_JPWL
5648 /* preparation of JPWL marker segments */
5649 #if 0
5650 if (cp->epc_on) {
5651
5652 /* encode according to JPWL */
5653 jpwl_encode(p_j2k, p_stream, image);
5654
5655 }
5656 #endif
5657 assert(0 && "TODO");
5658 #endif /* USE_JPWL */
5659
5660 return OPJ_TRUE;
5661 }
5662
opj_j2k_read_unk(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,OPJ_UINT32 * output_marker,opj_event_mgr_t * p_manager)5663 static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
5664 opj_stream_private_t *p_stream,
5665 OPJ_UINT32 *output_marker,
5666 opj_event_mgr_t * p_manager
5667 )
5668 {
5669 OPJ_UINT32 l_unknown_marker;
5670 const opj_dec_memory_marker_handler_t * l_marker_handler;
5671 OPJ_UINT32 l_size_unk = 2;
5672
5673 /* preconditions*/
5674 assert(p_j2k != 00);
5675 assert(p_manager != 00);
5676 assert(p_stream != 00);
5677
5678 opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n");
5679
5680 for (;;) {
5681 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
5682 if (opj_stream_read_data(p_stream,
5683 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
5684 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
5685 return OPJ_FALSE;
5686 }
5687
5688 /* read 2 bytes as the new marker ID*/
5689 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
5690 &l_unknown_marker, 2);
5691
5692 if (!(l_unknown_marker < 0xff00)) {
5693
5694 /* Get the marker handler from the marker ID*/
5695 l_marker_handler = opj_j2k_get_marker_handler(l_unknown_marker);
5696
5697 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
5698 opj_event_msg(p_manager, EVT_ERROR,
5699 "Marker is not compliant with its position\n");
5700 return OPJ_FALSE;
5701 } else {
5702 if (l_marker_handler->id != J2K_MS_UNK) {
5703 /* Add the marker to the codestream index*/
5704 if (l_marker_handler->id != J2K_MS_SOT) {
5705 OPJ_BOOL res = opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_UNK,
5706 (OPJ_UINT32) opj_stream_tell(p_stream) - l_size_unk,
5707 l_size_unk);
5708 if (res == OPJ_FALSE) {
5709 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
5710 return OPJ_FALSE;
5711 }
5712 }
5713 break; /* next marker is known and well located */
5714 } else {
5715 l_size_unk += 2;
5716 }
5717 }
5718 }
5719 }
5720
5721 *output_marker = l_marker_handler->id ;
5722
5723 return OPJ_TRUE;
5724 }
5725
opj_j2k_write_mct_record(opj_j2k_t * p_j2k,opj_mct_data_t * p_mct_record,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5726 static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
5727 opj_mct_data_t * p_mct_record,
5728 struct opj_stream_private *p_stream,
5729 struct opj_event_mgr * p_manager)
5730 {
5731 OPJ_UINT32 l_mct_size;
5732 OPJ_BYTE * l_current_data = 00;
5733 OPJ_UINT32 l_tmp;
5734
5735 /* preconditions */
5736 assert(p_j2k != 00);
5737 assert(p_manager != 00);
5738 assert(p_stream != 00);
5739
5740 l_mct_size = 10 + p_mct_record->m_data_size;
5741
5742 if (l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5743 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5744 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size);
5745 if (! new_header_tile_data) {
5746 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5747 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5748 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5749 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCT marker\n");
5750 return OPJ_FALSE;
5751 }
5752 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5753 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mct_size;
5754 }
5755
5756 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5757
5758 opj_write_bytes(l_current_data, J2K_MS_MCT,
5759 2); /* MCT */
5760 l_current_data += 2;
5761
5762 opj_write_bytes(l_current_data, l_mct_size - 2,
5763 2); /* Lmct */
5764 l_current_data += 2;
5765
5766 opj_write_bytes(l_current_data, 0,
5767 2); /* Zmct */
5768 l_current_data += 2;
5769
5770 /* only one marker atm */
5771 l_tmp = (p_mct_record->m_index & 0xff) | (p_mct_record->m_array_type << 8) |
5772 (p_mct_record->m_element_type << 10);
5773
5774 opj_write_bytes(l_current_data, l_tmp, 2);
5775 l_current_data += 2;
5776
5777 opj_write_bytes(l_current_data, 0,
5778 2); /* Ymct */
5779 l_current_data += 2;
5780
5781 memcpy(l_current_data, p_mct_record->m_data, p_mct_record->m_data_size);
5782
5783 if (opj_stream_write_data(p_stream,
5784 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size,
5785 p_manager) != l_mct_size) {
5786 return OPJ_FALSE;
5787 }
5788
5789 return OPJ_TRUE;
5790 }
5791
5792 /**
5793 * Reads a MCT marker (Multiple Component Transform)
5794 *
5795 * @param p_header_data the data contained in the MCT box.
5796 * @param p_j2k the jpeg2000 codec.
5797 * @param p_header_size the size of the data contained in the MCT marker.
5798 * @param p_manager the user event manager.
5799 */
opj_j2k_read_mct(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)5800 static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
5801 OPJ_BYTE * p_header_data,
5802 OPJ_UINT32 p_header_size,
5803 opj_event_mgr_t * p_manager
5804 )
5805 {
5806 OPJ_UINT32 i;
5807 opj_tcp_t *l_tcp = 00;
5808 OPJ_UINT32 l_tmp;
5809 OPJ_UINT32 l_indix;
5810 opj_mct_data_t * l_mct_data;
5811 OPJ_BOOL new_mct = OPJ_FALSE;
5812
5813 /* preconditions */
5814 assert(p_header_data != 00);
5815 assert(p_j2k != 00);
5816
5817 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5818 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5819 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5820
5821 if (p_header_size < 2) {
5822 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5823 return OPJ_FALSE;
5824 }
5825
5826 /* first marker */
5827 opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmct */
5828 p_header_data += 2;
5829 if (l_tmp != 0) {
5830 opj_event_msg(p_manager, EVT_WARNING,
5831 "Cannot take in charge mct data within multiple MCT records\n");
5832 return OPJ_TRUE;
5833 }
5834
5835 if (p_header_size <= 6) {
5836 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5837 return OPJ_FALSE;
5838 }
5839
5840 /* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/
5841 opj_read_bytes(p_header_data, &l_tmp, 2); /* Imct */
5842 p_header_data += 2;
5843
5844 l_indix = l_tmp & 0xff;
5845 l_mct_data = l_tcp->m_mct_records;
5846
5847 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5848 if (l_mct_data->m_index == l_indix) {
5849 break;
5850 }
5851 ++l_mct_data;
5852 }
5853
5854 /* NOT FOUND */
5855 if (i == l_tcp->m_nb_mct_records) {
5856 if (l_tcp->m_nb_mct_records == l_tcp->m_nb_max_mct_records) {
5857 opj_mct_data_t *new_mct_records;
5858 l_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
5859
5860 new_mct_records = (opj_mct_data_t *) opj_realloc(l_tcp->m_mct_records,
5861 l_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
5862 if (! new_mct_records) {
5863 opj_free(l_tcp->m_mct_records);
5864 l_tcp->m_mct_records = NULL;
5865 l_tcp->m_nb_max_mct_records = 0;
5866 l_tcp->m_nb_mct_records = 0;
5867 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCT marker\n");
5868 return OPJ_FALSE;
5869 }
5870
5871 /* Update m_mcc_records[].m_offset_array and m_decorrelation_array
5872 * to point to the new addresses */
5873 if (new_mct_records != l_tcp->m_mct_records) {
5874 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5875 opj_simple_mcc_decorrelation_data_t* l_mcc_record =
5876 &(l_tcp->m_mcc_records[i]);
5877 if (l_mcc_record->m_decorrelation_array) {
5878 l_mcc_record->m_decorrelation_array =
5879 new_mct_records +
5880 (l_mcc_record->m_decorrelation_array -
5881 l_tcp->m_mct_records);
5882 }
5883 if (l_mcc_record->m_offset_array) {
5884 l_mcc_record->m_offset_array =
5885 new_mct_records +
5886 (l_mcc_record->m_offset_array -
5887 l_tcp->m_mct_records);
5888 }
5889 }
5890 }
5891
5892 l_tcp->m_mct_records = new_mct_records;
5893 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5894 memset(l_mct_data, 0, (l_tcp->m_nb_max_mct_records - l_tcp->m_nb_mct_records) *
5895 sizeof(opj_mct_data_t));
5896 }
5897
5898 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5899 new_mct = OPJ_TRUE;
5900 }
5901
5902 if (l_mct_data->m_data) {
5903 opj_free(l_mct_data->m_data);
5904 l_mct_data->m_data = 00;
5905 l_mct_data->m_data_size = 0;
5906 }
5907
5908 l_mct_data->m_index = l_indix;
5909 l_mct_data->m_array_type = (J2K_MCT_ARRAY_TYPE)((l_tmp >> 8) & 3);
5910 l_mct_data->m_element_type = (J2K_MCT_ELEMENT_TYPE)((l_tmp >> 10) & 3);
5911
5912 opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymct */
5913 p_header_data += 2;
5914 if (l_tmp != 0) {
5915 opj_event_msg(p_manager, EVT_WARNING,
5916 "Cannot take in charge multiple MCT markers\n");
5917 return OPJ_TRUE;
5918 }
5919
5920 p_header_size -= 6;
5921
5922 l_mct_data->m_data = (OPJ_BYTE*)opj_malloc(p_header_size);
5923 if (! l_mct_data->m_data) {
5924 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5925 return OPJ_FALSE;
5926 }
5927 memcpy(l_mct_data->m_data, p_header_data, p_header_size);
5928
5929 l_mct_data->m_data_size = p_header_size;
5930
5931 if (new_mct) {
5932 ++l_tcp->m_nb_mct_records;
5933 }
5934 return OPJ_TRUE;
5935 }
5936
opj_j2k_write_mcc_record(opj_j2k_t * p_j2k,struct opj_simple_mcc_decorrelation_data * p_mcc_record,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5937 static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
5938 struct opj_simple_mcc_decorrelation_data * p_mcc_record,
5939 struct opj_stream_private *p_stream,
5940 struct opj_event_mgr * p_manager)
5941 {
5942 OPJ_UINT32 i;
5943 OPJ_UINT32 l_mcc_size;
5944 OPJ_BYTE * l_current_data = 00;
5945 OPJ_UINT32 l_nb_bytes_for_comp;
5946 OPJ_UINT32 l_mask;
5947 OPJ_UINT32 l_tmcc;
5948
5949 /* preconditions */
5950 assert(p_j2k != 00);
5951 assert(p_manager != 00);
5952 assert(p_stream != 00);
5953
5954 if (p_mcc_record->m_nb_comps > 255) {
5955 l_nb_bytes_for_comp = 2;
5956 l_mask = 0x8000;
5957 } else {
5958 l_nb_bytes_for_comp = 1;
5959 l_mask = 0;
5960 }
5961
5962 l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19;
5963 if (l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5964 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5965 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size);
5966 if (! new_header_tile_data) {
5967 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5968 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5969 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5970 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCC marker\n");
5971 return OPJ_FALSE;
5972 }
5973 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5974 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mcc_size;
5975 }
5976
5977 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5978
5979 opj_write_bytes(l_current_data, J2K_MS_MCC,
5980 2); /* MCC */
5981 l_current_data += 2;
5982
5983 opj_write_bytes(l_current_data, l_mcc_size - 2,
5984 2); /* Lmcc */
5985 l_current_data += 2;
5986
5987 /* first marker */
5988 opj_write_bytes(l_current_data, 0,
5989 2); /* Zmcc */
5990 l_current_data += 2;
5991
5992 opj_write_bytes(l_current_data, p_mcc_record->m_index,
5993 1); /* Imcc -> no need for other values, take the first */
5994 ++l_current_data;
5995
5996 /* only one marker atm */
5997 opj_write_bytes(l_current_data, 0,
5998 2); /* Ymcc */
5999 l_current_data += 2;
6000
6001 opj_write_bytes(l_current_data, 1,
6002 2); /* Qmcc -> number of collections -> 1 */
6003 l_current_data += 2;
6004
6005 opj_write_bytes(l_current_data, 0x1,
6006 1); /* Xmcci type of component transformation -> array based decorrelation */
6007 ++l_current_data;
6008
6009 opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
6010 2); /* Nmcci number of input components involved and size for each component offset = 8 bits */
6011 l_current_data += 2;
6012
6013 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
6014 opj_write_bytes(l_current_data, i,
6015 l_nb_bytes_for_comp); /* Cmccij Component offset*/
6016 l_current_data += l_nb_bytes_for_comp;
6017 }
6018
6019 opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
6020 2); /* Mmcci number of output components involved and size for each component offset = 8 bits */
6021 l_current_data += 2;
6022
6023 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
6024 opj_write_bytes(l_current_data, i,
6025 l_nb_bytes_for_comp); /* Wmccij Component offset*/
6026 l_current_data += l_nb_bytes_for_comp;
6027 }
6028
6029 l_tmcc = ((!p_mcc_record->m_is_irreversible) & 1U) << 16;
6030
6031 if (p_mcc_record->m_decorrelation_array) {
6032 l_tmcc |= p_mcc_record->m_decorrelation_array->m_index;
6033 }
6034
6035 if (p_mcc_record->m_offset_array) {
6036 l_tmcc |= ((p_mcc_record->m_offset_array->m_index) << 8);
6037 }
6038
6039 opj_write_bytes(l_current_data, l_tmcc,
6040 3); /* Tmcci : use MCT defined as number 1 and irreversible array based. */
6041 l_current_data += 3;
6042
6043 if (opj_stream_write_data(p_stream,
6044 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size,
6045 p_manager) != l_mcc_size) {
6046 return OPJ_FALSE;
6047 }
6048
6049 return OPJ_TRUE;
6050 }
6051
opj_j2k_read_mcc(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)6052 static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
6053 OPJ_BYTE * p_header_data,
6054 OPJ_UINT32 p_header_size,
6055 opj_event_mgr_t * p_manager)
6056 {
6057 OPJ_UINT32 i, j;
6058 OPJ_UINT32 l_tmp;
6059 OPJ_UINT32 l_indix;
6060 opj_tcp_t * l_tcp;
6061 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6062 opj_mct_data_t * l_mct_data;
6063 OPJ_UINT32 l_nb_collections;
6064 OPJ_UINT32 l_nb_comps;
6065 OPJ_UINT32 l_nb_bytes_by_comp;
6066 OPJ_BOOL l_new_mcc = OPJ_FALSE;
6067
6068 /* preconditions */
6069 assert(p_header_data != 00);
6070 assert(p_j2k != 00);
6071 assert(p_manager != 00);
6072
6073 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
6074 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
6075 p_j2k->m_specific_param.m_decoder.m_default_tcp;
6076
6077 if (p_header_size < 2) {
6078 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6079 return OPJ_FALSE;
6080 }
6081
6082 /* first marker */
6083 opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmcc */
6084 p_header_data += 2;
6085 if (l_tmp != 0) {
6086 opj_event_msg(p_manager, EVT_WARNING,
6087 "Cannot take in charge multiple data spanning\n");
6088 return OPJ_TRUE;
6089 }
6090
6091 if (p_header_size < 7) {
6092 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6093 return OPJ_FALSE;
6094 }
6095
6096 opj_read_bytes(p_header_data, &l_indix,
6097 1); /* Imcc -> no need for other values, take the first */
6098 ++p_header_data;
6099
6100 l_mcc_record = l_tcp->m_mcc_records;
6101
6102 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
6103 if (l_mcc_record->m_index == l_indix) {
6104 break;
6105 }
6106 ++l_mcc_record;
6107 }
6108
6109 /** NOT FOUND */
6110 if (i == l_tcp->m_nb_mcc_records) {
6111 if (l_tcp->m_nb_mcc_records == l_tcp->m_nb_max_mcc_records) {
6112 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
6113 l_tcp->m_nb_max_mcc_records += OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
6114
6115 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
6116 l_tcp->m_mcc_records, l_tcp->m_nb_max_mcc_records * sizeof(
6117 opj_simple_mcc_decorrelation_data_t));
6118 if (! new_mcc_records) {
6119 opj_free(l_tcp->m_mcc_records);
6120 l_tcp->m_mcc_records = NULL;
6121 l_tcp->m_nb_max_mcc_records = 0;
6122 l_tcp->m_nb_mcc_records = 0;
6123 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCC marker\n");
6124 return OPJ_FALSE;
6125 }
6126 l_tcp->m_mcc_records = new_mcc_records;
6127 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
6128 memset(l_mcc_record, 0, (l_tcp->m_nb_max_mcc_records - l_tcp->m_nb_mcc_records)
6129 * sizeof(opj_simple_mcc_decorrelation_data_t));
6130 }
6131 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
6132 l_new_mcc = OPJ_TRUE;
6133 }
6134 l_mcc_record->m_index = l_indix;
6135
6136 /* only one marker atm */
6137 opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymcc */
6138 p_header_data += 2;
6139 if (l_tmp != 0) {
6140 opj_event_msg(p_manager, EVT_WARNING,
6141 "Cannot take in charge multiple data spanning\n");
6142 return OPJ_TRUE;
6143 }
6144
6145 opj_read_bytes(p_header_data, &l_nb_collections,
6146 2); /* Qmcc -> number of collections -> 1 */
6147 p_header_data += 2;
6148
6149 if (l_nb_collections > 1) {
6150 opj_event_msg(p_manager, EVT_WARNING,
6151 "Cannot take in charge multiple collections\n");
6152 return OPJ_TRUE;
6153 }
6154
6155 p_header_size -= 7;
6156
6157 for (i = 0; i < l_nb_collections; ++i) {
6158 if (p_header_size < 3) {
6159 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6160 return OPJ_FALSE;
6161 }
6162
6163 opj_read_bytes(p_header_data, &l_tmp,
6164 1); /* Xmcci type of component transformation -> array based decorrelation */
6165 ++p_header_data;
6166
6167 if (l_tmp != 1) {
6168 opj_event_msg(p_manager, EVT_WARNING,
6169 "Cannot take in charge collections other than array decorrelation\n");
6170 return OPJ_TRUE;
6171 }
6172
6173 opj_read_bytes(p_header_data, &l_nb_comps, 2);
6174
6175 p_header_data += 2;
6176 p_header_size -= 3;
6177
6178 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
6179 l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff;
6180
6181 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2)) {
6182 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6183 return OPJ_FALSE;
6184 }
6185
6186 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2);
6187
6188 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
6189 opj_read_bytes(p_header_data, &l_tmp,
6190 l_nb_bytes_by_comp); /* Cmccij Component offset*/
6191 p_header_data += l_nb_bytes_by_comp;
6192
6193 if (l_tmp != j) {
6194 opj_event_msg(p_manager, EVT_WARNING,
6195 "Cannot take in charge collections with indix shuffle\n");
6196 return OPJ_TRUE;
6197 }
6198 }
6199
6200 opj_read_bytes(p_header_data, &l_nb_comps, 2);
6201 p_header_data += 2;
6202
6203 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
6204 l_nb_comps &= 0x7fff;
6205
6206 if (l_nb_comps != l_mcc_record->m_nb_comps) {
6207 opj_event_msg(p_manager, EVT_WARNING,
6208 "Cannot take in charge collections without same number of indixes\n");
6209 return OPJ_TRUE;
6210 }
6211
6212 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3)) {
6213 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6214 return OPJ_FALSE;
6215 }
6216
6217 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3);
6218
6219 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
6220 opj_read_bytes(p_header_data, &l_tmp,
6221 l_nb_bytes_by_comp); /* Wmccij Component offset*/
6222 p_header_data += l_nb_bytes_by_comp;
6223
6224 if (l_tmp != j) {
6225 opj_event_msg(p_manager, EVT_WARNING,
6226 "Cannot take in charge collections with indix shuffle\n");
6227 return OPJ_TRUE;
6228 }
6229 }
6230
6231 opj_read_bytes(p_header_data, &l_tmp, 3); /* Wmccij Component offset*/
6232 p_header_data += 3;
6233
6234 l_mcc_record->m_is_irreversible = !((l_tmp >> 16) & 1);
6235 l_mcc_record->m_decorrelation_array = 00;
6236 l_mcc_record->m_offset_array = 00;
6237
6238 l_indix = l_tmp & 0xff;
6239 if (l_indix != 0) {
6240 l_mct_data = l_tcp->m_mct_records;
6241 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6242 if (l_mct_data->m_index == l_indix) {
6243 l_mcc_record->m_decorrelation_array = l_mct_data;
6244 break;
6245 }
6246 ++l_mct_data;
6247 }
6248
6249 if (l_mcc_record->m_decorrelation_array == 00) {
6250 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6251 return OPJ_FALSE;
6252 }
6253 }
6254
6255 l_indix = (l_tmp >> 8) & 0xff;
6256 if (l_indix != 0) {
6257 l_mct_data = l_tcp->m_mct_records;
6258 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6259 if (l_mct_data->m_index == l_indix) {
6260 l_mcc_record->m_offset_array = l_mct_data;
6261 break;
6262 }
6263 ++l_mct_data;
6264 }
6265
6266 if (l_mcc_record->m_offset_array == 00) {
6267 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6268 return OPJ_FALSE;
6269 }
6270 }
6271 }
6272
6273 if (p_header_size != 0) {
6274 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6275 return OPJ_FALSE;
6276 }
6277
6278 if (l_new_mcc) {
6279 ++l_tcp->m_nb_mcc_records;
6280 }
6281
6282 return OPJ_TRUE;
6283 }
6284
opj_j2k_write_mco(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)6285 static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
6286 struct opj_stream_private *p_stream,
6287 struct opj_event_mgr * p_manager
6288 )
6289 {
6290 OPJ_BYTE * l_current_data = 00;
6291 OPJ_UINT32 l_mco_size;
6292 opj_tcp_t * l_tcp = 00;
6293 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6294 OPJ_UINT32 i;
6295
6296 /* preconditions */
6297 assert(p_j2k != 00);
6298 assert(p_manager != 00);
6299 assert(p_stream != 00);
6300
6301 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
6302
6303 l_mco_size = 5 + l_tcp->m_nb_mcc_records;
6304 if (l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6305
6306 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6307 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size);
6308 if (! new_header_tile_data) {
6309 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6310 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6311 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6312 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCO marker\n");
6313 return OPJ_FALSE;
6314 }
6315 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6316 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
6317 }
6318 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6319
6320
6321 opj_write_bytes(l_current_data, J2K_MS_MCO, 2); /* MCO */
6322 l_current_data += 2;
6323
6324 opj_write_bytes(l_current_data, l_mco_size - 2, 2); /* Lmco */
6325 l_current_data += 2;
6326
6327 opj_write_bytes(l_current_data, l_tcp->m_nb_mcc_records,
6328 1); /* Nmco : only one transform stage*/
6329 ++l_current_data;
6330
6331 l_mcc_record = l_tcp->m_mcc_records;
6332 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
6333 opj_write_bytes(l_current_data, l_mcc_record->m_index,
6334 1); /* Imco -> use the mcc indicated by 1*/
6335 ++l_current_data;
6336 ++l_mcc_record;
6337 }
6338
6339 if (opj_stream_write_data(p_stream,
6340 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size,
6341 p_manager) != l_mco_size) {
6342 return OPJ_FALSE;
6343 }
6344
6345 return OPJ_TRUE;
6346 }
6347
6348 /**
6349 * Reads a MCO marker (Multiple Component Transform Ordering)
6350 *
6351 * @param p_header_data the data contained in the MCO box.
6352 * @param p_j2k the jpeg2000 codec.
6353 * @param p_header_size the size of the data contained in the MCO marker.
6354 * @param p_manager the user event manager.
6355 */
opj_j2k_read_mco(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)6356 static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
6357 OPJ_BYTE * p_header_data,
6358 OPJ_UINT32 p_header_size,
6359 opj_event_mgr_t * p_manager
6360 )
6361 {
6362 OPJ_UINT32 l_tmp, i;
6363 OPJ_UINT32 l_nb_stages;
6364 opj_tcp_t * l_tcp;
6365 opj_tccp_t * l_tccp;
6366 opj_image_t * l_image;
6367
6368 /* preconditions */
6369 assert(p_header_data != 00);
6370 assert(p_j2k != 00);
6371 assert(p_manager != 00);
6372
6373 l_image = p_j2k->m_private_image;
6374 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
6375 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
6376 p_j2k->m_specific_param.m_decoder.m_default_tcp;
6377
6378 if (p_header_size < 1) {
6379 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCO marker\n");
6380 return OPJ_FALSE;
6381 }
6382
6383 opj_read_bytes(p_header_data, &l_nb_stages,
6384 1); /* Nmco : only one transform stage*/
6385 ++p_header_data;
6386
6387 if (l_nb_stages > 1) {
6388 opj_event_msg(p_manager, EVT_WARNING,
6389 "Cannot take in charge multiple transformation stages.\n");
6390 return OPJ_TRUE;
6391 }
6392
6393 if (p_header_size != l_nb_stages + 1) {
6394 opj_event_msg(p_manager, EVT_WARNING, "Error reading MCO marker\n");
6395 return OPJ_FALSE;
6396 }
6397
6398 l_tccp = l_tcp->tccps;
6399
6400 for (i = 0; i < l_image->numcomps; ++i) {
6401 l_tccp->m_dc_level_shift = 0;
6402 ++l_tccp;
6403 }
6404
6405 if (l_tcp->m_mct_decoding_matrix) {
6406 opj_free(l_tcp->m_mct_decoding_matrix);
6407 l_tcp->m_mct_decoding_matrix = 00;
6408 }
6409
6410 for (i = 0; i < l_nb_stages; ++i) {
6411 opj_read_bytes(p_header_data, &l_tmp, 1);
6412 ++p_header_data;
6413
6414 if (! opj_j2k_add_mct(l_tcp, p_j2k->m_private_image, l_tmp)) {
6415 return OPJ_FALSE;
6416 }
6417 }
6418
6419 return OPJ_TRUE;
6420 }
6421
opj_j2k_add_mct(opj_tcp_t * p_tcp,opj_image_t * p_image,OPJ_UINT32 p_index)6422 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
6423 OPJ_UINT32 p_index)
6424 {
6425 OPJ_UINT32 i;
6426 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6427 opj_mct_data_t * l_deco_array, * l_offset_array;
6428 OPJ_UINT32 l_data_size, l_mct_size, l_offset_size;
6429 OPJ_UINT32 l_nb_elem;
6430 OPJ_UINT32 * l_offset_data, * l_current_offset_data;
6431 opj_tccp_t * l_tccp;
6432
6433 /* preconditions */
6434 assert(p_tcp != 00);
6435
6436 l_mcc_record = p_tcp->m_mcc_records;
6437
6438 for (i = 0; i < p_tcp->m_nb_mcc_records; ++i) {
6439 if (l_mcc_record->m_index == p_index) {
6440 break;
6441 }
6442 }
6443
6444 if (i == p_tcp->m_nb_mcc_records) {
6445 /** element discarded **/
6446 return OPJ_TRUE;
6447 }
6448
6449 if (l_mcc_record->m_nb_comps != p_image->numcomps) {
6450 /** do not support number of comps != image */
6451 return OPJ_TRUE;
6452 }
6453
6454 l_deco_array = l_mcc_record->m_decorrelation_array;
6455
6456 if (l_deco_array) {
6457 l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps
6458 * p_image->numcomps;
6459 if (l_deco_array->m_data_size != l_data_size || ! l_deco_array->m_data) {
6460 return OPJ_FALSE;
6461 }
6462
6463 l_nb_elem = p_image->numcomps * p_image->numcomps;
6464 l_mct_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
6465 p_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
6466
6467 if (! p_tcp->m_mct_decoding_matrix) {
6468 return OPJ_FALSE;
6469 }
6470
6471 j2k_mct_read_functions_to_float[l_deco_array->m_element_type](
6472 l_deco_array->m_data, p_tcp->m_mct_decoding_matrix, l_nb_elem);
6473 }
6474
6475 l_offset_array = l_mcc_record->m_offset_array;
6476
6477 if (l_offset_array) {
6478 l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] *
6479 p_image->numcomps;
6480 if (l_offset_array->m_data_size != l_data_size || ! l_offset_array->m_data) {
6481 return OPJ_FALSE;
6482 }
6483
6484 l_nb_elem = p_image->numcomps;
6485 l_offset_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_UINT32);
6486 l_offset_data = (OPJ_UINT32*)opj_malloc(l_offset_size);
6487
6488 if (! l_offset_data) {
6489 return OPJ_FALSE;
6490 }
6491
6492 j2k_mct_read_functions_to_int32[l_offset_array->m_element_type](
6493 l_offset_array->m_data, l_offset_data, l_nb_elem);
6494
6495 l_tccp = p_tcp->tccps;
6496 l_current_offset_data = l_offset_data;
6497
6498 for (i = 0; i < p_image->numcomps; ++i) {
6499 l_tccp->m_dc_level_shift = (OPJ_INT32) * (l_current_offset_data++);
6500 ++l_tccp;
6501 }
6502
6503 opj_free(l_offset_data);
6504 }
6505
6506 return OPJ_TRUE;
6507 }
6508
opj_j2k_write_cbd(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)6509 static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
6510 struct opj_stream_private *p_stream,
6511 struct opj_event_mgr * p_manager)
6512 {
6513 OPJ_UINT32 i;
6514 OPJ_UINT32 l_cbd_size;
6515 OPJ_BYTE * l_current_data = 00;
6516 opj_image_t *l_image = 00;
6517 opj_image_comp_t * l_comp = 00;
6518
6519 /* preconditions */
6520 assert(p_j2k != 00);
6521 assert(p_manager != 00);
6522 assert(p_stream != 00);
6523
6524 l_image = p_j2k->m_private_image;
6525 l_cbd_size = 6 + p_j2k->m_private_image->numcomps;
6526
6527 if (l_cbd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6528 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6529 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size);
6530 if (! new_header_tile_data) {
6531 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6532 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6533 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6534 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write CBD marker\n");
6535 return OPJ_FALSE;
6536 }
6537 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6538 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_cbd_size;
6539 }
6540
6541 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6542
6543 opj_write_bytes(l_current_data, J2K_MS_CBD, 2); /* CBD */
6544 l_current_data += 2;
6545
6546 opj_write_bytes(l_current_data, l_cbd_size - 2, 2); /* L_CBD */
6547 l_current_data += 2;
6548
6549 opj_write_bytes(l_current_data, l_image->numcomps, 2); /* Ncbd */
6550 l_current_data += 2;
6551
6552 l_comp = l_image->comps;
6553
6554 for (i = 0; i < l_image->numcomps; ++i) {
6555 opj_write_bytes(l_current_data, (l_comp->sgnd << 7) | (l_comp->prec - 1),
6556 1); /* Component bit depth */
6557 ++l_current_data;
6558
6559 ++l_comp;
6560 }
6561
6562 if (opj_stream_write_data(p_stream,
6563 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size,
6564 p_manager) != l_cbd_size) {
6565 return OPJ_FALSE;
6566 }
6567
6568 return OPJ_TRUE;
6569 }
6570
6571 /**
6572 * Reads a CBD marker (Component bit depth definition)
6573 * @param p_header_data the data contained in the CBD box.
6574 * @param p_j2k the jpeg2000 codec.
6575 * @param p_header_size the size of the data contained in the CBD marker.
6576 * @param p_manager the user event manager.
6577 */
opj_j2k_read_cbd(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)6578 static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
6579 OPJ_BYTE * p_header_data,
6580 OPJ_UINT32 p_header_size,
6581 opj_event_mgr_t * p_manager
6582 )
6583 {
6584 OPJ_UINT32 l_nb_comp, l_num_comp;
6585 OPJ_UINT32 l_comp_def;
6586 OPJ_UINT32 i;
6587 opj_image_comp_t * l_comp = 00;
6588
6589 /* preconditions */
6590 assert(p_header_data != 00);
6591 assert(p_j2k != 00);
6592 assert(p_manager != 00);
6593
6594 l_num_comp = p_j2k->m_private_image->numcomps;
6595
6596 if (p_header_size != (p_j2k->m_private_image->numcomps + 2)) {
6597 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
6598 return OPJ_FALSE;
6599 }
6600
6601 opj_read_bytes(p_header_data, &l_nb_comp,
6602 2); /* Ncbd */
6603 p_header_data += 2;
6604
6605 if (l_nb_comp != l_num_comp) {
6606 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
6607 return OPJ_FALSE;
6608 }
6609
6610 l_comp = p_j2k->m_private_image->comps;
6611 for (i = 0; i < l_num_comp; ++i) {
6612 opj_read_bytes(p_header_data, &l_comp_def,
6613 1); /* Component bit depth */
6614 ++p_header_data;
6615 l_comp->sgnd = (l_comp_def >> 7) & 1;
6616 l_comp->prec = (l_comp_def & 0x7f) + 1;
6617
6618 if (l_comp->prec > 31) {
6619 opj_event_msg(p_manager, EVT_ERROR,
6620 "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",
6621 i, l_comp->prec);
6622 return OPJ_FALSE;
6623 }
6624 ++l_comp;
6625 }
6626
6627 return OPJ_TRUE;
6628 }
6629
6630 /**
6631 * Reads a CAP marker (extended capabilities definition). Empty implementation.
6632 * Found in HTJ2K files.
6633 *
6634 * @param p_header_data the data contained in the CAP box.
6635 * @param p_j2k the jpeg2000 codec.
6636 * @param p_header_size the size of the data contained in the CAP marker.
6637 * @param p_manager the user event manager.
6638 */
opj_j2k_read_cap(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)6639 static OPJ_BOOL opj_j2k_read_cap(opj_j2k_t *p_j2k,
6640 OPJ_BYTE * p_header_data,
6641 OPJ_UINT32 p_header_size,
6642 opj_event_mgr_t * p_manager
6643 )
6644 {
6645 /* preconditions */
6646 assert(p_header_data != 00);
6647 assert(p_j2k != 00);
6648 assert(p_manager != 00);
6649
6650 (void)p_j2k;
6651 (void)p_header_data;
6652 (void)p_header_size;
6653 (void)p_manager;
6654
6655 return OPJ_TRUE;
6656 }
6657
6658 /**
6659 * Reads a CPF marker (corresponding profile). Empty implementation. Found in HTJ2K files
6660 * @param p_header_data the data contained in the CPF box.
6661 * @param p_j2k the jpeg2000 codec.
6662 * @param p_header_size the size of the data contained in the CPF marker.
6663 * @param p_manager the user event manager.
6664 */
opj_j2k_read_cpf(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)6665 static OPJ_BOOL opj_j2k_read_cpf(opj_j2k_t *p_j2k,
6666 OPJ_BYTE * p_header_data,
6667 OPJ_UINT32 p_header_size,
6668 opj_event_mgr_t * p_manager
6669 )
6670 {
6671 /* preconditions */
6672 assert(p_header_data != 00);
6673 assert(p_j2k != 00);
6674 assert(p_manager != 00);
6675
6676 (void)p_j2k;
6677 (void)p_header_data;
6678 (void)p_header_size;
6679 (void)p_manager;
6680
6681 return OPJ_TRUE;
6682 }
6683
6684 /* ----------------------------------------------------------------------- */
6685 /* J2K / JPT decoder interface */
6686 /* ----------------------------------------------------------------------- */
6687
opj_j2k_setup_decoder(opj_j2k_t * j2k,opj_dparameters_t * parameters)6688 void opj_j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters)
6689 {
6690 if (j2k && parameters) {
6691 j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer;
6692 j2k->m_cp.m_specific_param.m_dec.m_reduce = parameters->cp_reduce;
6693
6694 j2k->dump_state = (parameters->flags & OPJ_DPARAMETERS_DUMP_FLAG);
6695 #ifdef USE_JPWL
6696 j2k->m_cp.correct = parameters->jpwl_correct;
6697 j2k->m_cp.exp_comps = parameters->jpwl_exp_comps;
6698 j2k->m_cp.max_tiles = parameters->jpwl_max_tiles;
6699 #endif /* USE_JPWL */
6700 }
6701 }
6702
opj_j2k_decoder_set_strict_mode(opj_j2k_t * j2k,OPJ_BOOL strict)6703 void opj_j2k_decoder_set_strict_mode(opj_j2k_t *j2k, OPJ_BOOL strict)
6704 {
6705 if (j2k) {
6706 j2k->m_cp.strict = strict;
6707 }
6708 }
6709
opj_j2k_set_threads(opj_j2k_t * j2k,OPJ_UINT32 num_threads)6710 OPJ_BOOL opj_j2k_set_threads(opj_j2k_t *j2k, OPJ_UINT32 num_threads)
6711 {
6712 /* Currently we pass the thread-pool to the tcd, so we cannot re-set it */
6713 /* afterwards */
6714 if (opj_has_thread_support() && j2k->m_tcd == NULL) {
6715 opj_thread_pool_destroy(j2k->m_tp);
6716 j2k->m_tp = NULL;
6717 if (num_threads <= (OPJ_UINT32)INT_MAX) {
6718 j2k->m_tp = opj_thread_pool_create((int)num_threads);
6719 }
6720 if (j2k->m_tp == NULL) {
6721 j2k->m_tp = opj_thread_pool_create(0);
6722 return OPJ_FALSE;
6723 }
6724 return OPJ_TRUE;
6725 }
6726 return OPJ_FALSE;
6727 }
6728
opj_j2k_get_default_thread_count()6729 static int opj_j2k_get_default_thread_count()
6730 {
6731 const char* num_threads_str = getenv("OPJ_NUM_THREADS");
6732 int num_cpus;
6733 int num_threads;
6734
6735 if (num_threads_str == NULL || !opj_has_thread_support()) {
6736 return 0;
6737 }
6738 num_cpus = opj_get_num_cpus();
6739 if (strcmp(num_threads_str, "ALL_CPUS") == 0) {
6740 return num_cpus;
6741 }
6742 if (num_cpus == 0) {
6743 num_cpus = 32;
6744 }
6745 num_threads = atoi(num_threads_str);
6746 if (num_threads < 0) {
6747 num_threads = 0;
6748 } else if (num_threads > 2 * num_cpus) {
6749 num_threads = 2 * num_cpus;
6750 }
6751 return num_threads;
6752 }
6753
6754 /* ----------------------------------------------------------------------- */
6755 /* J2K encoder interface */
6756 /* ----------------------------------------------------------------------- */
6757
opj_j2k_create_compress(void)6758 opj_j2k_t* opj_j2k_create_compress(void)
6759 {
6760 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
6761 if (!l_j2k) {
6762 return NULL;
6763 }
6764
6765
6766 l_j2k->m_is_decoder = 0;
6767 l_j2k->m_cp.m_is_decoder = 0;
6768
6769 l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(
6770 OPJ_J2K_DEFAULT_HEADER_SIZE);
6771 if (! l_j2k->m_specific_param.m_encoder.m_header_tile_data) {
6772 opj_j2k_destroy(l_j2k);
6773 return NULL;
6774 }
6775
6776 l_j2k->m_specific_param.m_encoder.m_header_tile_data_size =
6777 OPJ_J2K_DEFAULT_HEADER_SIZE;
6778
6779 /* validation list creation*/
6780 l_j2k->m_validation_list = opj_procedure_list_create();
6781 if (! l_j2k->m_validation_list) {
6782 opj_j2k_destroy(l_j2k);
6783 return NULL;
6784 }
6785
6786 /* execution list creation*/
6787 l_j2k->m_procedure_list = opj_procedure_list_create();
6788 if (! l_j2k->m_procedure_list) {
6789 opj_j2k_destroy(l_j2k);
6790 return NULL;
6791 }
6792
6793 l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
6794 if (!l_j2k->m_tp) {
6795 l_j2k->m_tp = opj_thread_pool_create(0);
6796 }
6797 if (!l_j2k->m_tp) {
6798 opj_j2k_destroy(l_j2k);
6799 return NULL;
6800 }
6801
6802 return l_j2k;
6803 }
6804
opj_j2k_initialise_4K_poc(opj_poc_t * POC,int numres)6805 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres)
6806 {
6807 POC[0].tile = 1;
6808 POC[0].resno0 = 0;
6809 POC[0].compno0 = 0;
6810 POC[0].layno1 = 1;
6811 POC[0].resno1 = (OPJ_UINT32)(numres - 1);
6812 POC[0].compno1 = 3;
6813 POC[0].prg1 = OPJ_CPRL;
6814 POC[1].tile = 1;
6815 POC[1].resno0 = (OPJ_UINT32)(numres - 1);
6816 POC[1].compno0 = 0;
6817 POC[1].layno1 = 1;
6818 POC[1].resno1 = (OPJ_UINT32)numres;
6819 POC[1].compno1 = 3;
6820 POC[1].prg1 = OPJ_CPRL;
6821 return 2;
6822 }
6823
opj_j2k_set_cinema_parameters(opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)6824 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
6825 opj_image_t *image, opj_event_mgr_t *p_manager)
6826 {
6827 /* Configure cinema parameters */
6828 int i;
6829
6830 /* No tiling */
6831 parameters->tile_size_on = OPJ_FALSE;
6832 parameters->cp_tdx = 1;
6833 parameters->cp_tdy = 1;
6834
6835 /* One tile part for each component */
6836 parameters->tp_flag = 'C';
6837 parameters->tp_on = 1;
6838
6839 /* Tile and Image shall be at (0,0) */
6840 parameters->cp_tx0 = 0;
6841 parameters->cp_ty0 = 0;
6842 parameters->image_offset_x0 = 0;
6843 parameters->image_offset_y0 = 0;
6844
6845 /* Codeblock size= 32*32 */
6846 parameters->cblockw_init = 32;
6847 parameters->cblockh_init = 32;
6848
6849 /* Codeblock style: no mode switch enabled */
6850 parameters->mode = 0;
6851
6852 /* No ROI */
6853 parameters->roi_compno = -1;
6854
6855 /* No subsampling */
6856 parameters->subsampling_dx = 1;
6857 parameters->subsampling_dy = 1;
6858
6859 /* 9-7 transform */
6860 parameters->irreversible = 1;
6861
6862 /* Number of layers */
6863 if (parameters->tcp_numlayers > 1) {
6864 opj_event_msg(p_manager, EVT_WARNING,
6865 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6866 "1 single quality layer"
6867 "-> Number of layers forced to 1 (rather than %d)\n"
6868 "-> Rate of the last layer (%3.1f) will be used",
6869 parameters->tcp_numlayers,
6870 parameters->tcp_rates[parameters->tcp_numlayers - 1]);
6871 parameters->tcp_rates[0] = parameters->tcp_rates[parameters->tcp_numlayers - 1];
6872 parameters->tcp_numlayers = 1;
6873 }
6874
6875 /* Resolution levels */
6876 switch (parameters->rsiz) {
6877 case OPJ_PROFILE_CINEMA_2K:
6878 if (parameters->numresolution > 6) {
6879 opj_event_msg(p_manager, EVT_WARNING,
6880 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6881 "Number of decomposition levels <= 5\n"
6882 "-> Number of decomposition levels forced to 5 (rather than %d)\n",
6883 parameters->numresolution + 1);
6884 parameters->numresolution = 6;
6885 }
6886 break;
6887 case OPJ_PROFILE_CINEMA_4K:
6888 if (parameters->numresolution < 2) {
6889 opj_event_msg(p_manager, EVT_WARNING,
6890 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6891 "Number of decomposition levels >= 1 && <= 6\n"
6892 "-> Number of decomposition levels forced to 1 (rather than %d)\n",
6893 parameters->numresolution + 1);
6894 parameters->numresolution = 1;
6895 } else if (parameters->numresolution > 7) {
6896 opj_event_msg(p_manager, EVT_WARNING,
6897 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6898 "Number of decomposition levels >= 1 && <= 6\n"
6899 "-> Number of decomposition levels forced to 6 (rather than %d)\n",
6900 parameters->numresolution + 1);
6901 parameters->numresolution = 7;
6902 }
6903 break;
6904 default :
6905 break;
6906 }
6907
6908 /* Precincts */
6909 parameters->csty |= J2K_CP_CSTY_PRT;
6910 if (parameters->numresolution == 1) {
6911 parameters->res_spec = 1;
6912 parameters->prcw_init[0] = 128;
6913 parameters->prch_init[0] = 128;
6914 } else {
6915 parameters->res_spec = parameters->numresolution - 1;
6916 for (i = 0; i < parameters->res_spec; i++) {
6917 parameters->prcw_init[i] = 256;
6918 parameters->prch_init[i] = 256;
6919 }
6920 }
6921
6922 /* The progression order shall be CPRL */
6923 parameters->prog_order = OPJ_CPRL;
6924
6925 /* Progression order changes for 4K, disallowed for 2K */
6926 if (parameters->rsiz == OPJ_PROFILE_CINEMA_4K) {
6927 parameters->numpocs = (OPJ_UINT32)opj_j2k_initialise_4K_poc(parameters->POC,
6928 parameters->numresolution);
6929 } else {
6930 parameters->numpocs = 0;
6931 }
6932
6933 /* Limited bit-rate */
6934 parameters->cp_disto_alloc = 1;
6935 if (parameters->max_cs_size <= 0) {
6936 /* No rate has been introduced, 24 fps is assumed */
6937 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6938 opj_event_msg(p_manager, EVT_WARNING,
6939 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6940 "Maximum 1302083 compressed bytes @ 24fps\n"
6941 "As no rate has been given, this limit will be used.\n");
6942 } else if (parameters->max_cs_size > OPJ_CINEMA_24_CS) {
6943 opj_event_msg(p_manager, EVT_WARNING,
6944 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6945 "Maximum 1302083 compressed bytes @ 24fps\n"
6946 "-> Specified rate exceeds this limit. Rate will be forced to 1302083 bytes.\n");
6947 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6948 }
6949
6950 if (parameters->max_comp_size <= 0) {
6951 /* No rate has been introduced, 24 fps is assumed */
6952 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6953 opj_event_msg(p_manager, EVT_WARNING,
6954 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6955 "Maximum 1041666 compressed bytes @ 24fps\n"
6956 "As no rate has been given, this limit will be used.\n");
6957 } else if (parameters->max_comp_size > OPJ_CINEMA_24_COMP) {
6958 opj_event_msg(p_manager, EVT_WARNING,
6959 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6960 "Maximum 1041666 compressed bytes @ 24fps\n"
6961 "-> Specified rate exceeds this limit. Rate will be forced to 1041666 bytes.\n");
6962 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6963 }
6964
6965 parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
6966 image->comps[0].h * image->comps[0].prec) /
6967 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
6968 image->comps[0].dy);
6969
6970 }
6971
opj_j2k_is_cinema_compliant(opj_image_t * image,OPJ_UINT16 rsiz,opj_event_mgr_t * p_manager)6972 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
6973 opj_event_mgr_t *p_manager)
6974 {
6975 OPJ_UINT32 i;
6976
6977 /* Number of components */
6978 if (image->numcomps != 3) {
6979 opj_event_msg(p_manager, EVT_WARNING,
6980 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6981 "3 components"
6982 "-> Number of components of input image (%d) is not compliant\n"
6983 "-> Non-profile-3 codestream will be generated\n",
6984 image->numcomps);
6985 return OPJ_FALSE;
6986 }
6987
6988 /* Bitdepth */
6989 for (i = 0; i < image->numcomps; i++) {
6990 if ((image->comps[i].prec != 12) | (image->comps[i].sgnd)) {
6991 char signed_str[] = "signed";
6992 char unsigned_str[] = "unsigned";
6993 char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
6994 opj_event_msg(p_manager, EVT_WARNING,
6995 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6996 "Precision of each component shall be 12 bits unsigned"
6997 "-> At least component %d of input image (%d bits, %s) is not compliant\n"
6998 "-> Non-profile-3 codestream will be generated\n",
6999 i, image->comps[i].prec, tmp_str);
7000 return OPJ_FALSE;
7001 }
7002 }
7003
7004 /* Image size */
7005 switch (rsiz) {
7006 case OPJ_PROFILE_CINEMA_2K:
7007 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1080))) {
7008 opj_event_msg(p_manager, EVT_WARNING,
7009 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
7010 "width <= 2048 and height <= 1080\n"
7011 "-> Input image size %d x %d is not compliant\n"
7012 "-> Non-profile-3 codestream will be generated\n",
7013 image->comps[0].w, image->comps[0].h);
7014 return OPJ_FALSE;
7015 }
7016 break;
7017 case OPJ_PROFILE_CINEMA_4K:
7018 if (((image->comps[0].w > 4096) | (image->comps[0].h > 2160))) {
7019 opj_event_msg(p_manager, EVT_WARNING,
7020 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
7021 "width <= 4096 and height <= 2160\n"
7022 "-> Image size %d x %d is not compliant\n"
7023 "-> Non-profile-4 codestream will be generated\n",
7024 image->comps[0].w, image->comps[0].h);
7025 return OPJ_FALSE;
7026 }
7027 break;
7028 default :
7029 break;
7030 }
7031
7032 return OPJ_TRUE;
7033 }
7034
opj_j2k_get_imf_max_NL(opj_cparameters_t * parameters,opj_image_t * image)7035 static int opj_j2k_get_imf_max_NL(opj_cparameters_t *parameters,
7036 opj_image_t *image)
7037 {
7038 /* Decomposition levels */
7039 const OPJ_UINT16 rsiz = parameters->rsiz;
7040 const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
7041 const OPJ_UINT32 XTsiz = parameters->tile_size_on ? (OPJ_UINT32)
7042 parameters->cp_tdx : image->x1;
7043 switch (profile) {
7044 case OPJ_PROFILE_IMF_2K:
7045 return 5;
7046 case OPJ_PROFILE_IMF_4K:
7047 return 6;
7048 case OPJ_PROFILE_IMF_8K:
7049 return 7;
7050 case OPJ_PROFILE_IMF_2K_R: {
7051 if (XTsiz >= 2048) {
7052 return 5;
7053 } else if (XTsiz >= 1024) {
7054 return 4;
7055 }
7056 break;
7057 }
7058 case OPJ_PROFILE_IMF_4K_R: {
7059 if (XTsiz >= 4096) {
7060 return 6;
7061 } else if (XTsiz >= 2048) {
7062 return 5;
7063 } else if (XTsiz >= 1024) {
7064 return 4;
7065 }
7066 break;
7067 }
7068 case OPJ_PROFILE_IMF_8K_R: {
7069 if (XTsiz >= 8192) {
7070 return 7;
7071 } else if (XTsiz >= 4096) {
7072 return 6;
7073 } else if (XTsiz >= 2048) {
7074 return 5;
7075 } else if (XTsiz >= 1024) {
7076 return 4;
7077 }
7078 break;
7079 }
7080 default:
7081 break;
7082 }
7083 return -1;
7084 }
7085
opj_j2k_set_imf_parameters(opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)7086 static void opj_j2k_set_imf_parameters(opj_cparameters_t *parameters,
7087 opj_image_t *image, opj_event_mgr_t *p_manager)
7088 {
7089 const OPJ_UINT16 rsiz = parameters->rsiz;
7090 const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
7091
7092 OPJ_UNUSED(p_manager);
7093
7094 /* Override defaults set by opj_set_default_encoder_parameters */
7095 if (parameters->cblockw_init == OPJ_COMP_PARAM_DEFAULT_CBLOCKW &&
7096 parameters->cblockh_init == OPJ_COMP_PARAM_DEFAULT_CBLOCKH) {
7097 parameters->cblockw_init = 32;
7098 parameters->cblockh_init = 32;
7099 }
7100
7101 /* One tile part for each component */
7102 parameters->tp_flag = 'C';
7103 parameters->tp_on = 1;
7104
7105 if (parameters->prog_order == OPJ_COMP_PARAM_DEFAULT_PROG_ORDER) {
7106 parameters->prog_order = OPJ_CPRL;
7107 }
7108
7109 if (profile == OPJ_PROFILE_IMF_2K ||
7110 profile == OPJ_PROFILE_IMF_4K ||
7111 profile == OPJ_PROFILE_IMF_8K) {
7112 /* 9-7 transform */
7113 parameters->irreversible = 1;
7114 }
7115
7116 /* Adjust the number of resolutions if set to its defaults */
7117 if (parameters->numresolution == OPJ_COMP_PARAM_DEFAULT_NUMRESOLUTION &&
7118 image->x0 == 0 &&
7119 image->y0 == 0) {
7120 const int max_NL = opj_j2k_get_imf_max_NL(parameters, image);
7121 if (max_NL >= 0 && parameters->numresolution > max_NL) {
7122 parameters->numresolution = max_NL + 1;
7123 }
7124
7125 /* Note: below is generic logic */
7126 if (!parameters->tile_size_on) {
7127 while (parameters->numresolution > 0) {
7128 if (image->x1 < (1U << ((OPJ_UINT32)parameters->numresolution - 1U))) {
7129 parameters->numresolution --;
7130 continue;
7131 }
7132 if (image->y1 < (1U << ((OPJ_UINT32)parameters->numresolution - 1U))) {
7133 parameters->numresolution --;
7134 continue;
7135 }
7136 break;
7137 }
7138 }
7139 }
7140
7141 /* Set defaults precincts */
7142 if (parameters->csty == 0) {
7143 parameters->csty |= J2K_CP_CSTY_PRT;
7144 if (parameters->numresolution == 1) {
7145 parameters->res_spec = 1;
7146 parameters->prcw_init[0] = 128;
7147 parameters->prch_init[0] = 128;
7148 } else {
7149 int i;
7150 parameters->res_spec = parameters->numresolution - 1;
7151 for (i = 0; i < parameters->res_spec; i++) {
7152 parameters->prcw_init[i] = 256;
7153 parameters->prch_init[i] = 256;
7154 }
7155 }
7156 }
7157 }
7158
7159 /* Table A.53 from JPEG2000 standard */
7160 static const OPJ_UINT16 tabMaxSubLevelFromMainLevel[] = {
7161 15, /* unspecified */
7162 1,
7163 1,
7164 1,
7165 2,
7166 3,
7167 4,
7168 5,
7169 6,
7170 7,
7171 8,
7172 9
7173 };
7174
opj_j2k_is_imf_compliant(opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)7175 static OPJ_BOOL opj_j2k_is_imf_compliant(opj_cparameters_t *parameters,
7176 opj_image_t *image,
7177 opj_event_mgr_t *p_manager)
7178 {
7179 OPJ_UINT32 i;
7180 const OPJ_UINT16 rsiz = parameters->rsiz;
7181 const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
7182 const OPJ_UINT16 mainlevel = OPJ_GET_IMF_MAINLEVEL(rsiz);
7183 const OPJ_UINT16 sublevel = OPJ_GET_IMF_SUBLEVEL(rsiz);
7184 const int NL = parameters->numresolution - 1;
7185 const OPJ_UINT32 XTsiz = parameters->tile_size_on ? (OPJ_UINT32)
7186 parameters->cp_tdx : image->x1;
7187 OPJ_BOOL ret = OPJ_TRUE;
7188
7189 /* Validate mainlevel */
7190 if (mainlevel > OPJ_IMF_MAINLEVEL_MAX) {
7191 opj_event_msg(p_manager, EVT_WARNING,
7192 "IMF profile require mainlevel <= 11.\n"
7193 "-> %d is thus not compliant\n"
7194 "-> Non-IMF codestream will be generated\n",
7195 mainlevel);
7196 ret = OPJ_FALSE;
7197 } else {
7198 /* Validate sublevel */
7199 assert(sizeof(tabMaxSubLevelFromMainLevel) ==
7200 (OPJ_IMF_MAINLEVEL_MAX + 1) * sizeof(tabMaxSubLevelFromMainLevel[0]));
7201 if (sublevel > tabMaxSubLevelFromMainLevel[mainlevel]) {
7202 opj_event_msg(p_manager, EVT_WARNING,
7203 "IMF profile require sublevel <= %d for mainlevel = %d.\n"
7204 "-> %d is thus not compliant\n"
7205 "-> Non-IMF codestream will be generated\n",
7206 tabMaxSubLevelFromMainLevel[mainlevel],
7207 mainlevel,
7208 sublevel);
7209 ret = OPJ_FALSE;
7210 }
7211 }
7212
7213 /* Number of components */
7214 if (image->numcomps > 3) {
7215 opj_event_msg(p_manager, EVT_WARNING,
7216 "IMF profiles require at most 3 components.\n"
7217 "-> Number of components of input image (%d) is not compliant\n"
7218 "-> Non-IMF codestream will be generated\n",
7219 image->numcomps);
7220 ret = OPJ_FALSE;
7221 }
7222
7223 if (image->x0 != 0 || image->y0 != 0) {
7224 opj_event_msg(p_manager, EVT_WARNING,
7225 "IMF profiles require image origin to be at 0,0.\n"
7226 "-> %d,%d is not compliant\n"
7227 "-> Non-IMF codestream will be generated\n",
7228 image->x0, image->y0 != 0);
7229 ret = OPJ_FALSE;
7230 }
7231
7232 if (parameters->cp_tx0 != 0 || parameters->cp_ty0 != 0) {
7233 opj_event_msg(p_manager, EVT_WARNING,
7234 "IMF profiles require tile origin to be at 0,0.\n"
7235 "-> %d,%d is not compliant\n"
7236 "-> Non-IMF codestream will be generated\n",
7237 parameters->cp_tx0, parameters->cp_ty0);
7238 ret = OPJ_FALSE;
7239 }
7240
7241 if (parameters->tile_size_on) {
7242 if (profile == OPJ_PROFILE_IMF_2K ||
7243 profile == OPJ_PROFILE_IMF_4K ||
7244 profile == OPJ_PROFILE_IMF_8K) {
7245 if ((OPJ_UINT32)parameters->cp_tdx < image->x1 ||
7246 (OPJ_UINT32)parameters->cp_tdy < image->y1) {
7247 opj_event_msg(p_manager, EVT_WARNING,
7248 "IMF 2K/4K/8K single tile profiles require tile to be greater or equal to image size.\n"
7249 "-> %d,%d is lesser than %d,%d\n"
7250 "-> Non-IMF codestream will be generated\n",
7251 parameters->cp_tdx,
7252 parameters->cp_tdy,
7253 image->x1,
7254 image->y1);
7255 ret = OPJ_FALSE;
7256 }
7257 } else {
7258 if ((OPJ_UINT32)parameters->cp_tdx >= image->x1 &&
7259 (OPJ_UINT32)parameters->cp_tdy >= image->y1) {
7260 /* ok */
7261 } else if (parameters->cp_tdx == 1024 &&
7262 parameters->cp_tdy == 1024) {
7263 /* ok */
7264 } else if (parameters->cp_tdx == 2048 &&
7265 parameters->cp_tdy == 2048 &&
7266 (profile == OPJ_PROFILE_IMF_4K ||
7267 profile == OPJ_PROFILE_IMF_8K)) {
7268 /* ok */
7269 } else if (parameters->cp_tdx == 4096 &&
7270 parameters->cp_tdy == 4096 &&
7271 profile == OPJ_PROFILE_IMF_8K) {
7272 /* ok */
7273 } else {
7274 opj_event_msg(p_manager, EVT_WARNING,
7275 "IMF 2K_R/4K_R/8K_R single/multiple tile profiles "
7276 "require tile to be greater or equal to image size,\n"
7277 "or to be (1024,1024), or (2048,2048) for 4K_R/8K_R "
7278 "or (4096,4096) for 8K_R.\n"
7279 "-> %d,%d is non conformant\n"
7280 "-> Non-IMF codestream will be generated\n",
7281 parameters->cp_tdx,
7282 parameters->cp_tdy);
7283 ret = OPJ_FALSE;
7284 }
7285 }
7286 }
7287
7288 /* Bitdepth */
7289 for (i = 0; i < image->numcomps; i++) {
7290 if (!(image->comps[i].prec >= 8 && image->comps[i].prec <= 16) ||
7291 (image->comps[i].sgnd)) {
7292 char signed_str[] = "signed";
7293 char unsigned_str[] = "unsigned";
7294 char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
7295 opj_event_msg(p_manager, EVT_WARNING,
7296 "IMF profiles require precision of each component to b in [8-16] bits unsigned"
7297 "-> At least component %d of input image (%d bits, %s) is not compliant\n"
7298 "-> Non-IMF codestream will be generated\n",
7299 i, image->comps[i].prec, tmp_str);
7300 ret = OPJ_FALSE;
7301 }
7302 }
7303
7304 /* Sub-sampling */
7305 for (i = 0; i < image->numcomps; i++) {
7306 if (i == 0 && image->comps[i].dx != 1) {
7307 opj_event_msg(p_manager, EVT_WARNING,
7308 "IMF profiles require XRSiz1 == 1. Here it is set to %d.\n"
7309 "-> Non-IMF codestream will be generated\n",
7310 image->comps[i].dx);
7311 ret = OPJ_FALSE;
7312 }
7313 if (i == 1 && image->comps[i].dx != 1 && image->comps[i].dx != 2) {
7314 opj_event_msg(p_manager, EVT_WARNING,
7315 "IMF profiles require XRSiz2 == 1 or 2. Here it is set to %d.\n"
7316 "-> Non-IMF codestream will be generated\n",
7317 image->comps[i].dx);
7318 ret = OPJ_FALSE;
7319 }
7320 if (i > 1 && image->comps[i].dx != image->comps[i - 1].dx) {
7321 opj_event_msg(p_manager, EVT_WARNING,
7322 "IMF profiles require XRSiz%d to be the same as XRSiz2. "
7323 "Here it is set to %d instead of %d.\n"
7324 "-> Non-IMF codestream will be generated\n",
7325 i + 1, image->comps[i].dx, image->comps[i - 1].dx);
7326 ret = OPJ_FALSE;
7327 }
7328 if (image->comps[i].dy != 1) {
7329 opj_event_msg(p_manager, EVT_WARNING,
7330 "IMF profiles require YRsiz == 1. "
7331 "Here it is set to %d for component %d.\n"
7332 "-> Non-IMF codestream will be generated\n",
7333 image->comps[i].dy, i);
7334 ret = OPJ_FALSE;
7335 }
7336 }
7337
7338 /* Image size */
7339 switch (profile) {
7340 case OPJ_PROFILE_IMF_2K:
7341 case OPJ_PROFILE_IMF_2K_R:
7342 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1556))) {
7343 opj_event_msg(p_manager, EVT_WARNING,
7344 "IMF 2K/2K_R profile require:\n"
7345 "width <= 2048 and height <= 1556\n"
7346 "-> Input image size %d x %d is not compliant\n"
7347 "-> Non-IMF codestream will be generated\n",
7348 image->comps[0].w, image->comps[0].h);
7349 ret = OPJ_FALSE;
7350 }
7351 break;
7352 case OPJ_PROFILE_IMF_4K:
7353 case OPJ_PROFILE_IMF_4K_R:
7354 if (((image->comps[0].w > 4096) | (image->comps[0].h > 3112))) {
7355 opj_event_msg(p_manager, EVT_WARNING,
7356 "IMF 4K/4K_R profile require:\n"
7357 "width <= 4096 and height <= 3112\n"
7358 "-> Input image size %d x %d is not compliant\n"
7359 "-> Non-IMF codestream will be generated\n",
7360 image->comps[0].w, image->comps[0].h);
7361 ret = OPJ_FALSE;
7362 }
7363 break;
7364 case OPJ_PROFILE_IMF_8K:
7365 case OPJ_PROFILE_IMF_8K_R:
7366 if (((image->comps[0].w > 8192) | (image->comps[0].h > 6224))) {
7367 opj_event_msg(p_manager, EVT_WARNING,
7368 "IMF 8K/8K_R profile require:\n"
7369 "width <= 8192 and height <= 6224\n"
7370 "-> Input image size %d x %d is not compliant\n"
7371 "-> Non-IMF codestream will be generated\n",
7372 image->comps[0].w, image->comps[0].h);
7373 ret = OPJ_FALSE;
7374 }
7375 break;
7376 default :
7377 assert(0);
7378 return OPJ_FALSE;
7379 }
7380
7381 if (parameters->roi_compno != -1) {
7382 opj_event_msg(p_manager, EVT_WARNING,
7383 "IMF profile forbid RGN / region of interest marker.\n"
7384 "-> Compression parameters specify a ROI\n"
7385 "-> Non-IMF codestream will be generated\n");
7386 ret = OPJ_FALSE;
7387 }
7388
7389 if (parameters->cblockw_init != 32 || parameters->cblockh_init != 32) {
7390 opj_event_msg(p_manager, EVT_WARNING,
7391 "IMF profile require code block size to be 32x32.\n"
7392 "-> Compression parameters set it to %dx%d.\n"
7393 "-> Non-IMF codestream will be generated\n",
7394 parameters->cblockw_init,
7395 parameters->cblockh_init);
7396 ret = OPJ_FALSE;
7397 }
7398
7399 if (parameters->prog_order != OPJ_CPRL) {
7400 opj_event_msg(p_manager, EVT_WARNING,
7401 "IMF profile require progression order to be CPRL.\n"
7402 "-> Compression parameters set it to %d.\n"
7403 "-> Non-IMF codestream will be generated\n",
7404 parameters->prog_order);
7405 ret = OPJ_FALSE;
7406 }
7407
7408 if (parameters->numpocs != 0) {
7409 opj_event_msg(p_manager, EVT_WARNING,
7410 "IMF profile forbid POC markers.\n"
7411 "-> Compression parameters set %d POC.\n"
7412 "-> Non-IMF codestream will be generated\n",
7413 parameters->numpocs);
7414 ret = OPJ_FALSE;
7415 }
7416
7417 /* Codeblock style: no mode switch enabled */
7418 if (parameters->mode != 0) {
7419 opj_event_msg(p_manager, EVT_WARNING,
7420 "IMF profile forbid mode switch in code block style.\n"
7421 "-> Compression parameters set code block style to %d.\n"
7422 "-> Non-IMF codestream will be generated\n",
7423 parameters->mode);
7424 ret = OPJ_FALSE;
7425 }
7426
7427 if (profile == OPJ_PROFILE_IMF_2K ||
7428 profile == OPJ_PROFILE_IMF_4K ||
7429 profile == OPJ_PROFILE_IMF_8K) {
7430 /* Expect 9-7 transform */
7431 if (parameters->irreversible != 1) {
7432 opj_event_msg(p_manager, EVT_WARNING,
7433 "IMF 2K/4K/8K profiles require 9-7 Irreversible Transform.\n"
7434 "-> Compression parameters set it to reversible.\n"
7435 "-> Non-IMF codestream will be generated\n");
7436 ret = OPJ_FALSE;
7437 }
7438 } else {
7439 /* Expect 5-3 transform */
7440 if (parameters->irreversible != 0) {
7441 opj_event_msg(p_manager, EVT_WARNING,
7442 "IMF 2K/4K/8K profiles require 5-3 reversible Transform.\n"
7443 "-> Compression parameters set it to irreversible.\n"
7444 "-> Non-IMF codestream will be generated\n");
7445 ret = OPJ_FALSE;
7446 }
7447 }
7448
7449 /* Number of layers */
7450 if (parameters->tcp_numlayers != 1) {
7451 opj_event_msg(p_manager, EVT_WARNING,
7452 "IMF 2K/4K/8K profiles require 1 single quality layer.\n"
7453 "-> Number of layers is %d.\n"
7454 "-> Non-IMF codestream will be generated\n",
7455 parameters->tcp_numlayers);
7456 ret = OPJ_FALSE;
7457 }
7458
7459 /* Decomposition levels */
7460 switch (profile) {
7461 case OPJ_PROFILE_IMF_2K:
7462 if (!(NL >= 1 && NL <= 5)) {
7463 opj_event_msg(p_manager, EVT_WARNING,
7464 "IMF 2K profile requires 1 <= NL <= 5:\n"
7465 "-> Number of decomposition levels is %d.\n"
7466 "-> Non-IMF codestream will be generated\n",
7467 NL);
7468 ret = OPJ_FALSE;
7469 }
7470 break;
7471 case OPJ_PROFILE_IMF_4K:
7472 if (!(NL >= 1 && NL <= 6)) {
7473 opj_event_msg(p_manager, EVT_WARNING,
7474 "IMF 4K profile requires 1 <= NL <= 6:\n"
7475 "-> Number of decomposition levels is %d.\n"
7476 "-> Non-IMF codestream will be generated\n",
7477 NL);
7478 ret = OPJ_FALSE;
7479 }
7480 break;
7481 case OPJ_PROFILE_IMF_8K:
7482 if (!(NL >= 1 && NL <= 7)) {
7483 opj_event_msg(p_manager, EVT_WARNING,
7484 "IMF 8K profile requires 1 <= NL <= 7:\n"
7485 "-> Number of decomposition levels is %d.\n"
7486 "-> Non-IMF codestream will be generated\n",
7487 NL);
7488 ret = OPJ_FALSE;
7489 }
7490 break;
7491 case OPJ_PROFILE_IMF_2K_R: {
7492 if (XTsiz >= 2048) {
7493 if (!(NL >= 1 && NL <= 5)) {
7494 opj_event_msg(p_manager, EVT_WARNING,
7495 "IMF 2K_R profile requires 1 <= NL <= 5 for XTsiz >= 2048:\n"
7496 "-> Number of decomposition levels is %d.\n"
7497 "-> Non-IMF codestream will be generated\n",
7498 NL);
7499 ret = OPJ_FALSE;
7500 }
7501 } else if (XTsiz >= 1024) {
7502 if (!(NL >= 1 && NL <= 4)) {
7503 opj_event_msg(p_manager, EVT_WARNING,
7504 "IMF 2K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
7505 "-> Number of decomposition levels is %d.\n"
7506 "-> Non-IMF codestream will be generated\n",
7507 NL);
7508 ret = OPJ_FALSE;
7509 }
7510 }
7511 break;
7512 }
7513 case OPJ_PROFILE_IMF_4K_R: {
7514 if (XTsiz >= 4096) {
7515 if (!(NL >= 1 && NL <= 6)) {
7516 opj_event_msg(p_manager, EVT_WARNING,
7517 "IMF 4K_R profile requires 1 <= NL <= 6 for XTsiz >= 4096:\n"
7518 "-> Number of decomposition levels is %d.\n"
7519 "-> Non-IMF codestream will be generated\n",
7520 NL);
7521 ret = OPJ_FALSE;
7522 }
7523 } else if (XTsiz >= 2048) {
7524 if (!(NL >= 1 && NL <= 5)) {
7525 opj_event_msg(p_manager, EVT_WARNING,
7526 "IMF 4K_R profile requires 1 <= NL <= 5 for XTsiz in [2048,4096[:\n"
7527 "-> Number of decomposition levels is %d.\n"
7528 "-> Non-IMF codestream will be generated\n",
7529 NL);
7530 ret = OPJ_FALSE;
7531 }
7532 } else if (XTsiz >= 1024) {
7533 if (!(NL >= 1 && NL <= 4)) {
7534 opj_event_msg(p_manager, EVT_WARNING,
7535 "IMF 4K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
7536 "-> Number of decomposition levels is %d.\n"
7537 "-> Non-IMF codestream will be generated\n",
7538 NL);
7539 ret = OPJ_FALSE;
7540 }
7541 }
7542 break;
7543 }
7544 case OPJ_PROFILE_IMF_8K_R: {
7545 if (XTsiz >= 8192) {
7546 if (!(NL >= 1 && NL <= 7)) {
7547 opj_event_msg(p_manager, EVT_WARNING,
7548 "IMF 4K_R profile requires 1 <= NL <= 7 for XTsiz >= 8192:\n"
7549 "-> Number of decomposition levels is %d.\n"
7550 "-> Non-IMF codestream will be generated\n",
7551 NL);
7552 ret = OPJ_FALSE;
7553 }
7554 } else if (XTsiz >= 4096) {
7555 if (!(NL >= 1 && NL <= 6)) {
7556 opj_event_msg(p_manager, EVT_WARNING,
7557 "IMF 4K_R profile requires 1 <= NL <= 6 for XTsiz in [4096,8192[:\n"
7558 "-> Number of decomposition levels is %d.\n"
7559 "-> Non-IMF codestream will be generated\n",
7560 NL);
7561 ret = OPJ_FALSE;
7562 }
7563 } else if (XTsiz >= 2048) {
7564 if (!(NL >= 1 && NL <= 5)) {
7565 opj_event_msg(p_manager, EVT_WARNING,
7566 "IMF 4K_R profile requires 1 <= NL <= 5 for XTsiz in [2048,4096[:\n"
7567 "-> Number of decomposition levels is %d.\n"
7568 "-> Non-IMF codestream will be generated\n",
7569 NL);
7570 ret = OPJ_FALSE;
7571 }
7572 } else if (XTsiz >= 1024) {
7573 if (!(NL >= 1 && NL <= 4)) {
7574 opj_event_msg(p_manager, EVT_WARNING,
7575 "IMF 4K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
7576 "-> Number of decomposition levels is %d.\n"
7577 "-> Non-IMF codestream will be generated\n",
7578 NL);
7579 ret = OPJ_FALSE;
7580 }
7581 }
7582 break;
7583 }
7584 default:
7585 break;
7586 }
7587
7588 if (parameters->numresolution == 1) {
7589 if (parameters->res_spec != 1 ||
7590 parameters->prcw_init[0] != 128 ||
7591 parameters->prch_init[0] != 128) {
7592 opj_event_msg(p_manager, EVT_WARNING,
7593 "IMF profiles require PPx = PPy = 7 for NLLL band, else 8.\n"
7594 "-> Supplied values are different from that.\n"
7595 "-> Non-IMF codestream will be generated\n");
7596 ret = OPJ_FALSE;
7597 }
7598 } else {
7599 int i;
7600 for (i = 0; i < parameters->res_spec; i++) {
7601 if (parameters->prcw_init[i] != 256 ||
7602 parameters->prch_init[i] != 256) {
7603 opj_event_msg(p_manager, EVT_WARNING,
7604 "IMF profiles require PPx = PPy = 7 for NLLL band, else 8.\n"
7605 "-> Supplied values are different from that.\n"
7606 "-> Non-IMF codestream will be generated\n");
7607 ret = OPJ_FALSE;
7608 }
7609 }
7610 }
7611
7612 return ret;
7613 }
7614
7615
opj_j2k_setup_encoder(opj_j2k_t * p_j2k,opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)7616 OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
7617 opj_cparameters_t *parameters,
7618 opj_image_t *image,
7619 opj_event_mgr_t * p_manager)
7620 {
7621 OPJ_UINT32 i, j, tileno, numpocs_tile;
7622 opj_cp_t *cp = 00;
7623 OPJ_UINT32 cblkw, cblkh;
7624
7625 if (!p_j2k || !parameters || ! image) {
7626 return OPJ_FALSE;
7627 }
7628
7629 if ((parameters->numresolution <= 0) ||
7630 (parameters->numresolution > OPJ_J2K_MAXRLVLS)) {
7631 opj_event_msg(p_manager, EVT_ERROR,
7632 "Invalid number of resolutions : %d not in range [1,%d]\n",
7633 parameters->numresolution, OPJ_J2K_MAXRLVLS);
7634 return OPJ_FALSE;
7635 }
7636
7637 if (parameters->cblockw_init < 4 || parameters->cblockw_init > 1024) {
7638 opj_event_msg(p_manager, EVT_ERROR,
7639 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
7640 parameters->cblockw_init);
7641 return OPJ_FALSE;
7642 }
7643 if (parameters->cblockh_init < 4 || parameters->cblockh_init > 1024) {
7644 opj_event_msg(p_manager, EVT_ERROR,
7645 "Invalid value for cblockh_init: %d not a power of 2 not in range [4,1024]\n",
7646 parameters->cblockh_init);
7647 return OPJ_FALSE;
7648 }
7649 if (parameters->cblockw_init * parameters->cblockh_init > 4096) {
7650 opj_event_msg(p_manager, EVT_ERROR,
7651 "Invalid value for cblockw_init * cblockh_init: should be <= 4096\n");
7652 return OPJ_FALSE;
7653 }
7654 cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
7655 cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
7656 if (parameters->cblockw_init != (1 << cblkw)) {
7657 opj_event_msg(p_manager, EVT_ERROR,
7658 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
7659 parameters->cblockw_init);
7660 return OPJ_FALSE;
7661 }
7662 if (parameters->cblockh_init != (1 << cblkh)) {
7663 opj_event_msg(p_manager, EVT_ERROR,
7664 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
7665 parameters->cblockh_init);
7666 return OPJ_FALSE;
7667 }
7668
7669 p_j2k->m_specific_param.m_encoder.m_nb_comps = image->numcomps;
7670
7671 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
7672 cp = &(p_j2k->m_cp);
7673
7674 /* set default values for cp */
7675 cp->tw = 1;
7676 cp->th = 1;
7677
7678 /* FIXME ADE: to be removed once deprecated cp_cinema and cp_rsiz have been removed */
7679 if (parameters->rsiz ==
7680 OPJ_PROFILE_NONE) { /* consider deprecated fields only if RSIZ has not been set */
7681 OPJ_BOOL deprecated_used = OPJ_FALSE;
7682 switch (parameters->cp_cinema) {
7683 case OPJ_CINEMA2K_24:
7684 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
7685 parameters->max_cs_size = OPJ_CINEMA_24_CS;
7686 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
7687 deprecated_used = OPJ_TRUE;
7688 break;
7689 case OPJ_CINEMA2K_48:
7690 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
7691 parameters->max_cs_size = OPJ_CINEMA_48_CS;
7692 parameters->max_comp_size = OPJ_CINEMA_48_COMP;
7693 deprecated_used = OPJ_TRUE;
7694 break;
7695 case OPJ_CINEMA4K_24:
7696 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
7697 parameters->max_cs_size = OPJ_CINEMA_24_CS;
7698 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
7699 deprecated_used = OPJ_TRUE;
7700 break;
7701 case OPJ_OFF:
7702 default:
7703 break;
7704 }
7705 switch (parameters->cp_rsiz) {
7706 case OPJ_CINEMA2K:
7707 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
7708 deprecated_used = OPJ_TRUE;
7709 break;
7710 case OPJ_CINEMA4K:
7711 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
7712 deprecated_used = OPJ_TRUE;
7713 break;
7714 case OPJ_MCT:
7715 parameters->rsiz = OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT;
7716 deprecated_used = OPJ_TRUE;
7717 case OPJ_STD_RSIZ:
7718 default:
7719 break;
7720 }
7721 if (deprecated_used) {
7722 opj_event_msg(p_manager, EVT_WARNING,
7723 "Deprecated fields cp_cinema or cp_rsiz are used\n"
7724 "Please consider using only the rsiz field\n"
7725 "See openjpeg.h documentation for more details\n");
7726 }
7727 }
7728
7729 /* If no explicit layers are provided, use lossless settings */
7730 if (parameters->tcp_numlayers == 0) {
7731 parameters->tcp_numlayers = 1;
7732 parameters->cp_disto_alloc = 1;
7733 parameters->tcp_rates[0] = 0;
7734 }
7735
7736 if (parameters->cp_disto_alloc) {
7737 /* Emit warnings if tcp_rates are not decreasing */
7738 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
7739 OPJ_FLOAT32 rate_i_corr = parameters->tcp_rates[i];
7740 OPJ_FLOAT32 rate_i_m_1_corr = parameters->tcp_rates[i - 1];
7741 if (rate_i_corr <= 1.0) {
7742 rate_i_corr = 1.0;
7743 }
7744 if (rate_i_m_1_corr <= 1.0) {
7745 rate_i_m_1_corr = 1.0;
7746 }
7747 if (rate_i_corr >= rate_i_m_1_corr) {
7748 if (rate_i_corr != parameters->tcp_rates[i] &&
7749 rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
7750 opj_event_msg(p_manager, EVT_WARNING,
7751 "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
7752 "than tcp_rates[%d]=%f (corrected as %f)\n",
7753 i, parameters->tcp_rates[i], rate_i_corr,
7754 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
7755 } else if (rate_i_corr != parameters->tcp_rates[i]) {
7756 opj_event_msg(p_manager, EVT_WARNING,
7757 "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
7758 "than tcp_rates[%d]=%f\n",
7759 i, parameters->tcp_rates[i], rate_i_corr,
7760 i - 1, parameters->tcp_rates[i - 1]);
7761 } else if (rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
7762 opj_event_msg(p_manager, EVT_WARNING,
7763 "tcp_rates[%d]=%f should be strictly lesser "
7764 "than tcp_rates[%d]=%f (corrected as %f)\n",
7765 i, parameters->tcp_rates[i],
7766 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
7767 } else {
7768 opj_event_msg(p_manager, EVT_WARNING,
7769 "tcp_rates[%d]=%f should be strictly lesser "
7770 "than tcp_rates[%d]=%f\n",
7771 i, parameters->tcp_rates[i],
7772 i - 1, parameters->tcp_rates[i - 1]);
7773 }
7774 }
7775 }
7776 } else if (parameters->cp_fixed_quality) {
7777 /* Emit warnings if tcp_distoratio are not increasing */
7778 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
7779 if (parameters->tcp_distoratio[i] < parameters->tcp_distoratio[i - 1] &&
7780 !(i == (OPJ_UINT32)parameters->tcp_numlayers - 1 &&
7781 parameters->tcp_distoratio[i] == 0)) {
7782 opj_event_msg(p_manager, EVT_WARNING,
7783 "tcp_distoratio[%d]=%f should be strictly greater "
7784 "than tcp_distoratio[%d]=%f\n",
7785 i, parameters->tcp_distoratio[i], i - 1,
7786 parameters->tcp_distoratio[i - 1]);
7787 }
7788 }
7789 }
7790
7791 /* see if max_codestream_size does limit input rate */
7792 if (parameters->max_cs_size <= 0) {
7793 if (parameters->tcp_rates[parameters->tcp_numlayers - 1] > 0) {
7794 OPJ_FLOAT32 temp_size;
7795 temp_size = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
7796 image->comps[0].h * image->comps[0].prec) /
7797 ((double)parameters->tcp_rates[parameters->tcp_numlayers - 1] * 8 *
7798 image->comps[0].dx * image->comps[0].dy));
7799 if (temp_size > INT_MAX) {
7800 parameters->max_cs_size = INT_MAX;
7801 } else {
7802 parameters->max_cs_size = (int) floor(temp_size);
7803 }
7804 } else {
7805 parameters->max_cs_size = 0;
7806 }
7807 } else {
7808 OPJ_FLOAT32 temp_rate;
7809 OPJ_BOOL cap = OPJ_FALSE;
7810
7811 if (OPJ_IS_IMF(parameters->rsiz) && parameters->max_cs_size > 0 &&
7812 parameters->tcp_numlayers == 1 && parameters->tcp_rates[0] == 0) {
7813 parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
7814 image->comps[0].h * image->comps[0].prec) /
7815 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
7816 image->comps[0].dy);
7817 }
7818
7819 temp_rate = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
7820 image->comps[0].h * image->comps[0].prec) /
7821 (((double)parameters->max_cs_size) * 8 * image->comps[0].dx *
7822 image->comps[0].dy));
7823 for (i = 0; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
7824 if (parameters->tcp_rates[i] < temp_rate) {
7825 parameters->tcp_rates[i] = temp_rate;
7826 cap = OPJ_TRUE;
7827 }
7828 }
7829 if (cap) {
7830 opj_event_msg(p_manager, EVT_WARNING,
7831 "The desired maximum codestream size has limited\n"
7832 "at least one of the desired quality layers\n");
7833 }
7834 }
7835
7836 if (OPJ_IS_CINEMA(parameters->rsiz) || OPJ_IS_IMF(parameters->rsiz)) {
7837 p_j2k->m_specific_param.m_encoder.m_TLM = OPJ_TRUE;
7838 }
7839
7840 /* Manage profiles and applications and set RSIZ */
7841 /* set cinema parameters if required */
7842 if (OPJ_IS_CINEMA(parameters->rsiz)) {
7843 if ((parameters->rsiz == OPJ_PROFILE_CINEMA_S2K)
7844 || (parameters->rsiz == OPJ_PROFILE_CINEMA_S4K)) {
7845 opj_event_msg(p_manager, EVT_WARNING,
7846 "JPEG 2000 Scalable Digital Cinema profiles not yet supported\n");
7847 parameters->rsiz = OPJ_PROFILE_NONE;
7848 } else {
7849 opj_j2k_set_cinema_parameters(parameters, image, p_manager);
7850 if (!opj_j2k_is_cinema_compliant(image, parameters->rsiz, p_manager)) {
7851 parameters->rsiz = OPJ_PROFILE_NONE;
7852 }
7853 }
7854 } else if (OPJ_IS_STORAGE(parameters->rsiz)) {
7855 opj_event_msg(p_manager, EVT_WARNING,
7856 "JPEG 2000 Long Term Storage profile not yet supported\n");
7857 parameters->rsiz = OPJ_PROFILE_NONE;
7858 } else if (OPJ_IS_BROADCAST(parameters->rsiz)) {
7859 opj_event_msg(p_manager, EVT_WARNING,
7860 "JPEG 2000 Broadcast profiles not yet supported\n");
7861 parameters->rsiz = OPJ_PROFILE_NONE;
7862 } else if (OPJ_IS_IMF(parameters->rsiz)) {
7863 opj_j2k_set_imf_parameters(parameters, image, p_manager);
7864 if (!opj_j2k_is_imf_compliant(parameters, image, p_manager)) {
7865 parameters->rsiz = OPJ_PROFILE_NONE;
7866 }
7867 } else if (OPJ_IS_PART2(parameters->rsiz)) {
7868 if (parameters->rsiz == ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_NONE))) {
7869 opj_event_msg(p_manager, EVT_WARNING,
7870 "JPEG 2000 Part-2 profile defined\n"
7871 "but no Part-2 extension enabled.\n"
7872 "Profile set to NONE.\n");
7873 parameters->rsiz = OPJ_PROFILE_NONE;
7874 } else if (parameters->rsiz != ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT))) {
7875 opj_event_msg(p_manager, EVT_WARNING,
7876 "Unsupported Part-2 extension enabled\n"
7877 "Profile set to NONE.\n");
7878 parameters->rsiz = OPJ_PROFILE_NONE;
7879 }
7880 }
7881
7882 /*
7883 copy user encoding parameters
7884 */
7885 cp->m_specific_param.m_enc.m_max_comp_size = (OPJ_UINT32)
7886 parameters->max_comp_size;
7887 cp->rsiz = parameters->rsiz;
7888 cp->m_specific_param.m_enc.m_disto_alloc = (OPJ_UINT32)
7889 parameters->cp_disto_alloc & 1u;
7890 cp->m_specific_param.m_enc.m_fixed_alloc = (OPJ_UINT32)
7891 parameters->cp_fixed_alloc & 1u;
7892 cp->m_specific_param.m_enc.m_fixed_quality = (OPJ_UINT32)
7893 parameters->cp_fixed_quality & 1u;
7894
7895 /* mod fixed_quality */
7896 if (parameters->cp_fixed_alloc && parameters->cp_matrice) {
7897 size_t array_size = (size_t)parameters->tcp_numlayers *
7898 (size_t)parameters->numresolution * 3 * sizeof(OPJ_INT32);
7899 cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size);
7900 if (!cp->m_specific_param.m_enc.m_matrice) {
7901 opj_event_msg(p_manager, EVT_ERROR,
7902 "Not enough memory to allocate copy of user encoding parameters matrix \n");
7903 return OPJ_FALSE;
7904 }
7905 memcpy(cp->m_specific_param.m_enc.m_matrice, parameters->cp_matrice,
7906 array_size);
7907 }
7908
7909 /* tiles */
7910 cp->tdx = (OPJ_UINT32)parameters->cp_tdx;
7911 cp->tdy = (OPJ_UINT32)parameters->cp_tdy;
7912
7913 /* tile offset */
7914 cp->tx0 = (OPJ_UINT32)parameters->cp_tx0;
7915 cp->ty0 = (OPJ_UINT32)parameters->cp_ty0;
7916
7917 /* comment string */
7918 if (parameters->cp_comment) {
7919 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1U);
7920 if (!cp->comment) {
7921 opj_event_msg(p_manager, EVT_ERROR,
7922 "Not enough memory to allocate copy of comment string\n");
7923 return OPJ_FALSE;
7924 }
7925 strcpy(cp->comment, parameters->cp_comment);
7926 } else {
7927 /* Create default comment for codestream */
7928 const char comment[] = "Created by OpenJPEG version ";
7929 const size_t clen = strlen(comment);
7930 const char *version = opj_version();
7931
7932 /* UniPG>> */
7933 #ifdef USE_JPWL
7934 const size_t cp_comment_buf_size = clen + strlen(version) + 11;
7935 cp->comment = (char*)opj_malloc(cp_comment_buf_size);
7936 if (!cp->comment) {
7937 opj_event_msg(p_manager, EVT_ERROR,
7938 "Not enough memory to allocate comment string\n");
7939 return OPJ_FALSE;
7940 }
7941 snprintf(cp->comment, cp_comment_buf_size, "%s%s with JPWL",
7942 comment, version);
7943 #else
7944 const size_t cp_comment_buf_size = clen + strlen(version) + 1;
7945 cp->comment = (char*)opj_malloc(cp_comment_buf_size);
7946 if (!cp->comment) {
7947 opj_event_msg(p_manager, EVT_ERROR,
7948 "Not enough memory to allocate comment string\n");
7949 return OPJ_FALSE;
7950 }
7951 snprintf(cp->comment, cp_comment_buf_size, "%s%s", comment, version);
7952 #endif
7953 /* <<UniPG */
7954 }
7955
7956 /*
7957 calculate other encoding parameters
7958 */
7959
7960 if (parameters->tile_size_on) {
7961 if (cp->tdx == 0) {
7962 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile width\n");
7963 return OPJ_FALSE;
7964 }
7965 if (cp->tdy == 0) {
7966 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile height\n");
7967 return OPJ_FALSE;
7968 }
7969 cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->x1 - cp->tx0),
7970 (OPJ_INT32)cp->tdx);
7971 cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->y1 - cp->ty0),
7972 (OPJ_INT32)cp->tdy);
7973 /* Check that the number of tiles is valid */
7974 if (cp->tw > 65535 / cp->th) {
7975 opj_event_msg(p_manager, EVT_ERROR,
7976 "Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
7977 cp->tw, cp->th);
7978 return OPJ_FALSE;
7979 }
7980 } else {
7981 cp->tdx = image->x1 - cp->tx0;
7982 cp->tdy = image->y1 - cp->ty0;
7983 }
7984
7985 if (parameters->tp_on) {
7986 cp->m_specific_param.m_enc.m_tp_flag = (OPJ_BYTE)parameters->tp_flag;
7987 cp->m_specific_param.m_enc.m_tp_on = 1;
7988 }
7989
7990 #ifdef USE_JPWL
7991 /*
7992 calculate JPWL encoding parameters
7993 */
7994
7995 if (parameters->jpwl_epc_on) {
7996 OPJ_INT32 i;
7997
7998 /* set JPWL on */
7999 cp->epc_on = OPJ_TRUE;
8000 cp->info_on = OPJ_FALSE; /* no informative technique */
8001
8002 /* set EPB on */
8003 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
8004 cp->epb_on = OPJ_TRUE;
8005
8006 cp->hprot_MH = parameters->jpwl_hprot_MH;
8007 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
8008 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
8009 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
8010 }
8011 /* if tile specs are not specified, copy MH specs */
8012 if (cp->hprot_TPH[0] == -1) {
8013 cp->hprot_TPH_tileno[0] = 0;
8014 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
8015 }
8016 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
8017 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
8018 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
8019 cp->pprot[i] = parameters->jpwl_pprot[i];
8020 }
8021 }
8022
8023 /* set ESD writing */
8024 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
8025 cp->esd_on = OPJ_TRUE;
8026
8027 cp->sens_size = parameters->jpwl_sens_size;
8028 cp->sens_addr = parameters->jpwl_sens_addr;
8029 cp->sens_range = parameters->jpwl_sens_range;
8030
8031 cp->sens_MH = parameters->jpwl_sens_MH;
8032 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
8033 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
8034 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
8035 }
8036 }
8037
8038 /* always set RED writing to false: we are at the encoder */
8039 cp->red_on = OPJ_FALSE;
8040
8041 } else {
8042 cp->epc_on = OPJ_FALSE;
8043 }
8044 #endif /* USE_JPWL */
8045
8046 /* initialize the multiple tiles */
8047 /* ---------------------------- */
8048 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
8049 if (!cp->tcps) {
8050 opj_event_msg(p_manager, EVT_ERROR,
8051 "Not enough memory to allocate tile coding parameters\n");
8052 return OPJ_FALSE;
8053 }
8054
8055 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
8056 opj_tcp_t *tcp = &cp->tcps[tileno];
8057 tcp->numlayers = (OPJ_UINT32)parameters->tcp_numlayers;
8058
8059 for (j = 0; j < tcp->numlayers; j++) {
8060 if (OPJ_IS_CINEMA(cp->rsiz) || OPJ_IS_IMF(cp->rsiz)) {
8061 if (cp->m_specific_param.m_enc.m_fixed_quality) {
8062 tcp->distoratio[j] = parameters->tcp_distoratio[j];
8063 }
8064 tcp->rates[j] = parameters->tcp_rates[j];
8065 } else {
8066 if (cp->m_specific_param.m_enc.m_fixed_quality) { /* add fixed_quality */
8067 tcp->distoratio[j] = parameters->tcp_distoratio[j];
8068 } else {
8069 tcp->rates[j] = parameters->tcp_rates[j];
8070 }
8071 }
8072 if (!cp->m_specific_param.m_enc.m_fixed_quality &&
8073 tcp->rates[j] <= 1.0) {
8074 tcp->rates[j] = 0.0; /* force lossless */
8075 }
8076 }
8077
8078 tcp->csty = (OPJ_UINT32)parameters->csty;
8079 tcp->prg = parameters->prog_order;
8080 tcp->mct = (OPJ_UINT32)parameters->tcp_mct;
8081
8082 numpocs_tile = 0;
8083 tcp->POC = 0;
8084
8085 if (parameters->numpocs) {
8086 /* initialisation of POC */
8087 for (i = 0; i < parameters->numpocs; i++) {
8088 if (tileno + 1 == parameters->POC[i].tile) {
8089 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
8090
8091 if (parameters->POC[numpocs_tile].compno0 >= image->numcomps) {
8092 opj_event_msg(p_manager, EVT_ERROR,
8093 "Invalid compno0 for POC %d\n", i);
8094 return OPJ_FALSE;
8095 }
8096
8097 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
8098 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
8099 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
8100 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
8101 tcp_poc->compno1 = opj_uint_min(parameters->POC[numpocs_tile].compno1,
8102 image->numcomps);
8103 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
8104 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
8105
8106 numpocs_tile++;
8107 }
8108 }
8109
8110 if (numpocs_tile) {
8111
8112 /* TODO MSD use the return value*/
8113 opj_j2k_check_poc_val(parameters->POC, tileno, parameters->numpocs,
8114 (OPJ_UINT32)parameters->numresolution, image->numcomps,
8115 (OPJ_UINT32)parameters->tcp_numlayers, p_manager);
8116
8117 tcp->POC = 1;
8118 tcp->numpocs = numpocs_tile - 1 ;
8119 }
8120 } else {
8121 tcp->numpocs = 0;
8122 }
8123
8124 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
8125 if (!tcp->tccps) {
8126 opj_event_msg(p_manager, EVT_ERROR,
8127 "Not enough memory to allocate tile component coding parameters\n");
8128 return OPJ_FALSE;
8129 }
8130 if (parameters->mct_data) {
8131
8132 OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * (OPJ_UINT32)sizeof(
8133 OPJ_FLOAT32);
8134 OPJ_FLOAT32 * lTmpBuf = (OPJ_FLOAT32*)opj_malloc(lMctSize);
8135 OPJ_INT32 * l_dc_shift = (OPJ_INT32 *)((OPJ_BYTE *) parameters->mct_data +
8136 lMctSize);
8137
8138 if (!lTmpBuf) {
8139 opj_event_msg(p_manager, EVT_ERROR,
8140 "Not enough memory to allocate temp buffer\n");
8141 return OPJ_FALSE;
8142 }
8143
8144 tcp->mct = 2;
8145 tcp->m_mct_coding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
8146 if (! tcp->m_mct_coding_matrix) {
8147 opj_free(lTmpBuf);
8148 lTmpBuf = NULL;
8149 opj_event_msg(p_manager, EVT_ERROR,
8150 "Not enough memory to allocate encoder MCT coding matrix \n");
8151 return OPJ_FALSE;
8152 }
8153 memcpy(tcp->m_mct_coding_matrix, parameters->mct_data, lMctSize);
8154 memcpy(lTmpBuf, parameters->mct_data, lMctSize);
8155
8156 tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
8157 if (! tcp->m_mct_decoding_matrix) {
8158 opj_free(lTmpBuf);
8159 lTmpBuf = NULL;
8160 opj_event_msg(p_manager, EVT_ERROR,
8161 "Not enough memory to allocate encoder MCT decoding matrix \n");
8162 return OPJ_FALSE;
8163 }
8164 if (opj_matrix_inversion_f(lTmpBuf, (tcp->m_mct_decoding_matrix),
8165 image->numcomps) == OPJ_FALSE) {
8166 opj_free(lTmpBuf);
8167 lTmpBuf = NULL;
8168 opj_event_msg(p_manager, EVT_ERROR,
8169 "Failed to inverse encoder MCT decoding matrix \n");
8170 return OPJ_FALSE;
8171 }
8172
8173 tcp->mct_norms = (OPJ_FLOAT64*)
8174 opj_malloc(image->numcomps * sizeof(OPJ_FLOAT64));
8175 if (! tcp->mct_norms) {
8176 opj_free(lTmpBuf);
8177 lTmpBuf = NULL;
8178 opj_event_msg(p_manager, EVT_ERROR,
8179 "Not enough memory to allocate encoder MCT norms \n");
8180 return OPJ_FALSE;
8181 }
8182 opj_calculate_norms(tcp->mct_norms, image->numcomps,
8183 tcp->m_mct_decoding_matrix);
8184 opj_free(lTmpBuf);
8185
8186 for (i = 0; i < image->numcomps; i++) {
8187 opj_tccp_t *tccp = &tcp->tccps[i];
8188 tccp->m_dc_level_shift = l_dc_shift[i];
8189 }
8190
8191 if (opj_j2k_setup_mct_encoding(tcp, image) == OPJ_FALSE) {
8192 /* free will be handled by opj_j2k_destroy */
8193 opj_event_msg(p_manager, EVT_ERROR, "Failed to setup j2k mct encoding\n");
8194 return OPJ_FALSE;
8195 }
8196 } else {
8197 if (tcp->mct == 1 && image->numcomps >= 3) { /* RGB->YCC MCT is enabled */
8198 if ((image->comps[0].dx != image->comps[1].dx) ||
8199 (image->comps[0].dx != image->comps[2].dx) ||
8200 (image->comps[0].dy != image->comps[1].dy) ||
8201 (image->comps[0].dy != image->comps[2].dy)) {
8202 opj_event_msg(p_manager, EVT_WARNING,
8203 "Cannot perform MCT on components with different sizes. Disabling MCT.\n");
8204 tcp->mct = 0;
8205 }
8206 }
8207 for (i = 0; i < image->numcomps; i++) {
8208 opj_tccp_t *tccp = &tcp->tccps[i];
8209 opj_image_comp_t * l_comp = &(image->comps[i]);
8210
8211 if (! l_comp->sgnd) {
8212 tccp->m_dc_level_shift = 1 << (l_comp->prec - 1);
8213 }
8214 }
8215 }
8216
8217 for (i = 0; i < image->numcomps; i++) {
8218 opj_tccp_t *tccp = &tcp->tccps[i];
8219
8220 tccp->csty = parameters->csty &
8221 0x01; /* 0 => one precinct || 1 => custom precinct */
8222 tccp->numresolutions = (OPJ_UINT32)parameters->numresolution;
8223 tccp->cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
8224 tccp->cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
8225 tccp->cblksty = (OPJ_UINT32)parameters->mode;
8226 tccp->qmfbid = parameters->irreversible ? 0 : 1;
8227 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT :
8228 J2K_CCP_QNTSTY_NOQNT;
8229 tccp->numgbits = 2;
8230
8231 if ((OPJ_INT32)i == parameters->roi_compno) {
8232 tccp->roishift = parameters->roi_shift;
8233 } else {
8234 tccp->roishift = 0;
8235 }
8236
8237 if (parameters->csty & J2K_CCP_CSTY_PRT) {
8238 OPJ_INT32 p = 0, it_res;
8239 assert(tccp->numresolutions > 0);
8240 for (it_res = (OPJ_INT32)tccp->numresolutions - 1; it_res >= 0; it_res--) {
8241 if (p < parameters->res_spec) {
8242
8243 if (parameters->prcw_init[p] < 1) {
8244 tccp->prcw[it_res] = 1;
8245 } else {
8246 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prcw_init[p]);
8247 }
8248
8249 if (parameters->prch_init[p] < 1) {
8250 tccp->prch[it_res] = 1;
8251 } else {
8252 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prch_init[p]);
8253 }
8254
8255 } else {
8256 OPJ_INT32 res_spec = parameters->res_spec;
8257 OPJ_INT32 size_prcw = 0;
8258 OPJ_INT32 size_prch = 0;
8259
8260 assert(res_spec > 0); /* issue 189 */
8261 size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
8262 size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
8263
8264
8265 if (size_prcw < 1) {
8266 tccp->prcw[it_res] = 1;
8267 } else {
8268 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prcw);
8269 }
8270
8271 if (size_prch < 1) {
8272 tccp->prch[it_res] = 1;
8273 } else {
8274 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prch);
8275 }
8276 }
8277 p++;
8278 /*printf("\nsize precinct for level %d : %d,%d\n", it_res,tccp->prcw[it_res], tccp->prch[it_res]); */
8279 } /*end for*/
8280 } else {
8281 for (j = 0; j < tccp->numresolutions; j++) {
8282 tccp->prcw[j] = 15;
8283 tccp->prch[j] = 15;
8284 }
8285 }
8286
8287 opj_dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
8288 }
8289 }
8290
8291 if (parameters->mct_data) {
8292 opj_free(parameters->mct_data);
8293 parameters->mct_data = 00;
8294 }
8295 return OPJ_TRUE;
8296 }
8297
opj_j2k_add_mhmarker(opj_codestream_index_t * cstr_index,OPJ_UINT32 type,OPJ_OFF_T pos,OPJ_UINT32 len)8298 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
8299 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
8300 {
8301 assert(cstr_index != 00);
8302
8303 /* expand the list? */
8304 if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) {
8305 opj_marker_info_t *new_marker;
8306 cstr_index->maxmarknum = (OPJ_UINT32)(100 + (OPJ_FLOAT32)
8307 cstr_index->maxmarknum);
8308 new_marker = (opj_marker_info_t *) opj_realloc(cstr_index->marker,
8309 cstr_index->maxmarknum * sizeof(opj_marker_info_t));
8310 if (! new_marker) {
8311 opj_free(cstr_index->marker);
8312 cstr_index->marker = NULL;
8313 cstr_index->maxmarknum = 0;
8314 cstr_index->marknum = 0;
8315 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); */
8316 return OPJ_FALSE;
8317 }
8318 cstr_index->marker = new_marker;
8319 }
8320
8321 /* add the marker */
8322 cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type;
8323 cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos;
8324 cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len;
8325 cstr_index->marknum++;
8326 return OPJ_TRUE;
8327 }
8328
opj_j2k_add_tlmarker(OPJ_UINT32 tileno,opj_codestream_index_t * cstr_index,OPJ_UINT32 type,OPJ_OFF_T pos,OPJ_UINT32 len)8329 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
8330 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
8331 OPJ_UINT32 len)
8332 {
8333 assert(cstr_index != 00);
8334 assert(cstr_index->tile_index != 00);
8335
8336 /* expand the list? */
8337 if ((cstr_index->tile_index[tileno].marknum + 1) >
8338 cstr_index->tile_index[tileno].maxmarknum) {
8339 opj_marker_info_t *new_marker;
8340 cstr_index->tile_index[tileno].maxmarknum = (OPJ_UINT32)(100 +
8341 (OPJ_FLOAT32) cstr_index->tile_index[tileno].maxmarknum);
8342 new_marker = (opj_marker_info_t *) opj_realloc(
8343 cstr_index->tile_index[tileno].marker,
8344 cstr_index->tile_index[tileno].maxmarknum * sizeof(opj_marker_info_t));
8345 if (! new_marker) {
8346 opj_free(cstr_index->tile_index[tileno].marker);
8347 cstr_index->tile_index[tileno].marker = NULL;
8348 cstr_index->tile_index[tileno].maxmarknum = 0;
8349 cstr_index->tile_index[tileno].marknum = 0;
8350 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n"); */
8351 return OPJ_FALSE;
8352 }
8353 cstr_index->tile_index[tileno].marker = new_marker;
8354 }
8355
8356 /* add the marker */
8357 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type
8358 = (OPJ_UINT16)type;
8359 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos
8360 = (OPJ_INT32)pos;
8361 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len
8362 = (OPJ_INT32)len;
8363 cstr_index->tile_index[tileno].marknum++;
8364
8365 if (type == J2K_MS_SOT) {
8366 OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
8367
8368 if (cstr_index->tile_index[tileno].tp_index) {
8369 cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
8370 }
8371
8372 }
8373 return OPJ_TRUE;
8374 }
8375
8376 /*
8377 * -----------------------------------------------------------------------
8378 * -----------------------------------------------------------------------
8379 * -----------------------------------------------------------------------
8380 */
8381
opj_j2k_end_decompress(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8382 OPJ_BOOL opj_j2k_end_decompress(opj_j2k_t *p_j2k,
8383 opj_stream_private_t *p_stream,
8384 opj_event_mgr_t * p_manager
8385 )
8386 {
8387 (void)p_j2k;
8388 (void)p_stream;
8389 (void)p_manager;
8390 return OPJ_TRUE;
8391 }
8392
opj_j2k_read_header(opj_stream_private_t * p_stream,opj_j2k_t * p_j2k,opj_image_t ** p_image,opj_event_mgr_t * p_manager)8393 OPJ_BOOL opj_j2k_read_header(opj_stream_private_t *p_stream,
8394 opj_j2k_t* p_j2k,
8395 opj_image_t** p_image,
8396 opj_event_mgr_t* p_manager)
8397 {
8398 /* preconditions */
8399 assert(p_j2k != 00);
8400 assert(p_stream != 00);
8401 assert(p_manager != 00);
8402
8403 /* create an empty image header */
8404 p_j2k->m_private_image = opj_image_create0();
8405 if (! p_j2k->m_private_image) {
8406 return OPJ_FALSE;
8407 }
8408
8409 /* customization of the validation */
8410 if (! opj_j2k_setup_decoding_validation(p_j2k, p_manager)) {
8411 opj_image_destroy(p_j2k->m_private_image);
8412 p_j2k->m_private_image = NULL;
8413 return OPJ_FALSE;
8414 }
8415
8416 /* validation of the parameters codec */
8417 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
8418 opj_image_destroy(p_j2k->m_private_image);
8419 p_j2k->m_private_image = NULL;
8420 return OPJ_FALSE;
8421 }
8422
8423 /* customization of the encoding */
8424 if (! opj_j2k_setup_header_reading(p_j2k, p_manager)) {
8425 opj_image_destroy(p_j2k->m_private_image);
8426 p_j2k->m_private_image = NULL;
8427 return OPJ_FALSE;
8428 }
8429
8430 /* read header */
8431 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
8432 opj_image_destroy(p_j2k->m_private_image);
8433 p_j2k->m_private_image = NULL;
8434 return OPJ_FALSE;
8435 }
8436
8437 *p_image = opj_image_create0();
8438 if (!(*p_image)) {
8439 return OPJ_FALSE;
8440 }
8441
8442 /* Copy codestream image information to the output image */
8443 opj_copy_image_header(p_j2k->m_private_image, *p_image);
8444
8445 /*Allocate and initialize some elements of codestrem index*/
8446 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
8447 opj_image_destroy(*p_image);
8448 *p_image = NULL;
8449 return OPJ_FALSE;
8450 }
8451
8452 return OPJ_TRUE;
8453 }
8454
opj_j2k_setup_header_reading(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)8455 static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
8456 opj_event_mgr_t * p_manager)
8457 {
8458 /* preconditions*/
8459 assert(p_j2k != 00);
8460 assert(p_manager != 00);
8461
8462 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
8463 (opj_procedure)opj_j2k_read_header_procedure, p_manager)) {
8464 return OPJ_FALSE;
8465 }
8466
8467 /* DEVELOPER CORNER, add your custom procedures */
8468 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
8469 (opj_procedure)opj_j2k_copy_default_tcp_and_create_tcd, p_manager)) {
8470 return OPJ_FALSE;
8471 }
8472
8473 return OPJ_TRUE;
8474 }
8475
opj_j2k_setup_decoding_validation(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)8476 static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
8477 opj_event_mgr_t * p_manager)
8478 {
8479 /* preconditions*/
8480 assert(p_j2k != 00);
8481 assert(p_manager != 00);
8482
8483 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
8484 (opj_procedure)opj_j2k_build_decoder, p_manager)) {
8485 return OPJ_FALSE;
8486 }
8487 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
8488 (opj_procedure)opj_j2k_decoding_validation, p_manager)) {
8489 return OPJ_FALSE;
8490 }
8491
8492 /* DEVELOPER CORNER, add your custom validation procedure */
8493 return OPJ_TRUE;
8494 }
8495
opj_j2k_mct_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8496 static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
8497 opj_stream_private_t *p_stream,
8498 opj_event_mgr_t * p_manager)
8499 {
8500 OPJ_BOOL l_is_valid = OPJ_TRUE;
8501 OPJ_UINT32 i, j;
8502
8503 /* preconditions */
8504 assert(p_j2k != 00);
8505 assert(p_stream != 00);
8506 assert(p_manager != 00);
8507
8508 OPJ_UNUSED(p_stream);
8509 OPJ_UNUSED(p_manager);
8510
8511 if ((p_j2k->m_cp.rsiz & 0x8200) == 0x8200) {
8512 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
8513 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
8514
8515 for (i = 0; i < l_nb_tiles; ++i) {
8516 if (l_tcp->mct == 2) {
8517 opj_tccp_t * l_tccp = l_tcp->tccps;
8518 l_is_valid &= (l_tcp->m_mct_coding_matrix != 00);
8519
8520 for (j = 0; j < p_j2k->m_private_image->numcomps; ++j) {
8521 l_is_valid &= !(l_tccp->qmfbid & 1);
8522 ++l_tccp;
8523 }
8524 }
8525 ++l_tcp;
8526 }
8527 }
8528
8529 return l_is_valid;
8530 }
8531
opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp,opj_image_t * p_image)8532 OPJ_BOOL opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp, opj_image_t * p_image)
8533 {
8534 OPJ_UINT32 i;
8535 OPJ_UINT32 l_indix = 1;
8536 opj_mct_data_t * l_mct_deco_data = 00, * l_mct_offset_data = 00;
8537 opj_simple_mcc_decorrelation_data_t * l_mcc_data;
8538 OPJ_UINT32 l_mct_size, l_nb_elem;
8539 OPJ_FLOAT32 * l_data, * l_current_data;
8540 opj_tccp_t * l_tccp;
8541
8542 /* preconditions */
8543 assert(p_tcp != 00);
8544
8545 if (p_tcp->mct != 2) {
8546 return OPJ_TRUE;
8547 }
8548
8549 if (p_tcp->m_mct_decoding_matrix) {
8550 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
8551 opj_mct_data_t *new_mct_records;
8552 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
8553
8554 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
8555 p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
8556 if (! new_mct_records) {
8557 opj_free(p_tcp->m_mct_records);
8558 p_tcp->m_mct_records = NULL;
8559 p_tcp->m_nb_max_mct_records = 0;
8560 p_tcp->m_nb_mct_records = 0;
8561 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
8562 return OPJ_FALSE;
8563 }
8564 p_tcp->m_mct_records = new_mct_records;
8565 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8566
8567 memset(l_mct_deco_data, 0,
8568 (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
8569 opj_mct_data_t));
8570 }
8571 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8572
8573 if (l_mct_deco_data->m_data) {
8574 opj_free(l_mct_deco_data->m_data);
8575 l_mct_deco_data->m_data = 00;
8576 }
8577
8578 l_mct_deco_data->m_index = l_indix++;
8579 l_mct_deco_data->m_array_type = MCT_TYPE_DECORRELATION;
8580 l_mct_deco_data->m_element_type = MCT_TYPE_FLOAT;
8581 l_nb_elem = p_image->numcomps * p_image->numcomps;
8582 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_deco_data->m_element_type];
8583 l_mct_deco_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
8584
8585 if (! l_mct_deco_data->m_data) {
8586 return OPJ_FALSE;
8587 }
8588
8589 j2k_mct_write_functions_from_float[l_mct_deco_data->m_element_type](
8590 p_tcp->m_mct_decoding_matrix, l_mct_deco_data->m_data, l_nb_elem);
8591
8592 l_mct_deco_data->m_data_size = l_mct_size;
8593 ++p_tcp->m_nb_mct_records;
8594 }
8595
8596 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
8597 opj_mct_data_t *new_mct_records;
8598 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
8599 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
8600 p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
8601 if (! new_mct_records) {
8602 opj_free(p_tcp->m_mct_records);
8603 p_tcp->m_mct_records = NULL;
8604 p_tcp->m_nb_max_mct_records = 0;
8605 p_tcp->m_nb_mct_records = 0;
8606 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
8607 return OPJ_FALSE;
8608 }
8609 p_tcp->m_mct_records = new_mct_records;
8610 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8611
8612 memset(l_mct_offset_data, 0,
8613 (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
8614 opj_mct_data_t));
8615
8616 if (l_mct_deco_data) {
8617 l_mct_deco_data = l_mct_offset_data - 1;
8618 }
8619 }
8620
8621 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8622
8623 if (l_mct_offset_data->m_data) {
8624 opj_free(l_mct_offset_data->m_data);
8625 l_mct_offset_data->m_data = 00;
8626 }
8627
8628 l_mct_offset_data->m_index = l_indix++;
8629 l_mct_offset_data->m_array_type = MCT_TYPE_OFFSET;
8630 l_mct_offset_data->m_element_type = MCT_TYPE_FLOAT;
8631 l_nb_elem = p_image->numcomps;
8632 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_offset_data->m_element_type];
8633 l_mct_offset_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
8634
8635 if (! l_mct_offset_data->m_data) {
8636 return OPJ_FALSE;
8637 }
8638
8639 l_data = (OPJ_FLOAT32*)opj_malloc(l_nb_elem * sizeof(OPJ_FLOAT32));
8640 if (! l_data) {
8641 opj_free(l_mct_offset_data->m_data);
8642 l_mct_offset_data->m_data = 00;
8643 return OPJ_FALSE;
8644 }
8645
8646 l_tccp = p_tcp->tccps;
8647 l_current_data = l_data;
8648
8649 for (i = 0; i < l_nb_elem; ++i) {
8650 *(l_current_data++) = (OPJ_FLOAT32)(l_tccp->m_dc_level_shift);
8651 ++l_tccp;
8652 }
8653
8654 j2k_mct_write_functions_from_float[l_mct_offset_data->m_element_type](l_data,
8655 l_mct_offset_data->m_data, l_nb_elem);
8656
8657 opj_free(l_data);
8658
8659 l_mct_offset_data->m_data_size = l_mct_size;
8660
8661 ++p_tcp->m_nb_mct_records;
8662
8663 if (p_tcp->m_nb_mcc_records == p_tcp->m_nb_max_mcc_records) {
8664 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
8665 p_tcp->m_nb_max_mcc_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
8666 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
8667 p_tcp->m_mcc_records, p_tcp->m_nb_max_mcc_records * sizeof(
8668 opj_simple_mcc_decorrelation_data_t));
8669 if (! new_mcc_records) {
8670 opj_free(p_tcp->m_mcc_records);
8671 p_tcp->m_mcc_records = NULL;
8672 p_tcp->m_nb_max_mcc_records = 0;
8673 p_tcp->m_nb_mcc_records = 0;
8674 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
8675 return OPJ_FALSE;
8676 }
8677 p_tcp->m_mcc_records = new_mcc_records;
8678 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
8679 memset(l_mcc_data, 0, (p_tcp->m_nb_max_mcc_records - p_tcp->m_nb_mcc_records) *
8680 sizeof(opj_simple_mcc_decorrelation_data_t));
8681
8682 }
8683
8684 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
8685 l_mcc_data->m_decorrelation_array = l_mct_deco_data;
8686 l_mcc_data->m_is_irreversible = 1;
8687 l_mcc_data->m_nb_comps = p_image->numcomps;
8688 l_mcc_data->m_index = l_indix++;
8689 l_mcc_data->m_offset_array = l_mct_offset_data;
8690 ++p_tcp->m_nb_mcc_records;
8691
8692 return OPJ_TRUE;
8693 }
8694
opj_j2k_build_decoder(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8695 static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
8696 opj_stream_private_t *p_stream,
8697 opj_event_mgr_t * p_manager)
8698 {
8699 /* add here initialization of cp
8700 copy paste of setup_decoder */
8701 (void)p_j2k;
8702 (void)p_stream;
8703 (void)p_manager;
8704 return OPJ_TRUE;
8705 }
8706
opj_j2k_build_encoder(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8707 static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
8708 opj_stream_private_t *p_stream,
8709 opj_event_mgr_t * p_manager)
8710 {
8711 /* add here initialization of cp
8712 copy paste of setup_encoder */
8713 (void)p_j2k;
8714 (void)p_stream;
8715 (void)p_manager;
8716 return OPJ_TRUE;
8717 }
8718
opj_j2k_encoding_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8719 static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
8720 opj_stream_private_t *p_stream,
8721 opj_event_mgr_t * p_manager)
8722 {
8723 OPJ_BOOL l_is_valid = OPJ_TRUE;
8724
8725 /* preconditions */
8726 assert(p_j2k != 00);
8727 assert(p_stream != 00);
8728 assert(p_manager != 00);
8729
8730 OPJ_UNUSED(p_stream);
8731
8732 /* STATE checking */
8733 /* make sure the state is at 0 */
8734 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NONE);
8735
8736 /* POINTER validation */
8737 /* make sure a p_j2k codec is present */
8738 l_is_valid &= (p_j2k->m_procedure_list != 00);
8739 /* make sure a validation list is present */
8740 l_is_valid &= (p_j2k->m_validation_list != 00);
8741
8742 /* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */
8743 /* 33 (32) would always fail the check below (if a cast to 64bits was done) */
8744 /* FIXME Shall we change OPJ_J2K_MAXRLVLS to 32 ? */
8745 if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) ||
8746 (p_j2k->m_cp.tcps->tccps->numresolutions > 32)) {
8747 opj_event_msg(p_manager, EVT_ERROR,
8748 "Number of resolutions is too high in comparison to the size of tiles\n");
8749 return OPJ_FALSE;
8750 }
8751
8752 if ((p_j2k->m_cp.tdx) < (OPJ_UINT32)(1 <<
8753 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
8754 opj_event_msg(p_manager, EVT_ERROR,
8755 "Number of resolutions is too high in comparison to the size of tiles\n");
8756 return OPJ_FALSE;
8757 }
8758
8759 if ((p_j2k->m_cp.tdy) < (OPJ_UINT32)(1 <<
8760 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
8761 opj_event_msg(p_manager, EVT_ERROR,
8762 "Number of resolutions is too high in comparison to the size of tiles\n");
8763 return OPJ_FALSE;
8764 }
8765
8766 /* PARAMETER VALIDATION */
8767 return l_is_valid;
8768 }
8769
opj_j2k_decoding_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8770 static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t *p_j2k,
8771 opj_stream_private_t *p_stream,
8772 opj_event_mgr_t * p_manager
8773 )
8774 {
8775 OPJ_BOOL l_is_valid = OPJ_TRUE;
8776
8777 /* preconditions*/
8778 assert(p_j2k != 00);
8779 assert(p_stream != 00);
8780 assert(p_manager != 00);
8781
8782 OPJ_UNUSED(p_stream);
8783 OPJ_UNUSED(p_manager);
8784
8785 /* STATE checking */
8786 /* make sure the state is at 0 */
8787 #ifdef TODO_MSD
8788 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
8789 #endif
8790 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000);
8791
8792 /* POINTER validation */
8793 /* make sure a p_j2k codec is present */
8794 /* make sure a procedure list is present */
8795 l_is_valid &= (p_j2k->m_procedure_list != 00);
8796 /* make sure a validation list is present */
8797 l_is_valid &= (p_j2k->m_validation_list != 00);
8798
8799 /* PARAMETER VALIDATION */
8800 return l_is_valid;
8801 }
8802
opj_j2k_read_header_procedure(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8803 static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
8804 opj_stream_private_t *p_stream,
8805 opj_event_mgr_t * p_manager)
8806 {
8807 OPJ_UINT32 l_current_marker;
8808 OPJ_UINT32 l_marker_size;
8809 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
8810 OPJ_BOOL l_has_siz = 0;
8811 OPJ_BOOL l_has_cod = 0;
8812 OPJ_BOOL l_has_qcd = 0;
8813
8814 /* preconditions */
8815 assert(p_stream != 00);
8816 assert(p_j2k != 00);
8817 assert(p_manager != 00);
8818
8819 /* We enter in the main header */
8820 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
8821
8822 /* Try to read the SOC marker, the codestream must begin with SOC marker */
8823 if (! opj_j2k_read_soc(p_j2k, p_stream, p_manager)) {
8824 opj_event_msg(p_manager, EVT_ERROR, "Expected a SOC marker \n");
8825 return OPJ_FALSE;
8826 }
8827
8828 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8829 if (opj_stream_read_data(p_stream,
8830 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8831 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8832 return OPJ_FALSE;
8833 }
8834
8835 /* Read 2 bytes as the new marker ID */
8836 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8837 &l_current_marker, 2);
8838
8839 /* Try to read until the SOT is detected */
8840 while (l_current_marker != J2K_MS_SOT) {
8841
8842 /* Check if the current marker ID is valid */
8843 if (l_current_marker < 0xff00) {
8844 opj_event_msg(p_manager, EVT_ERROR,
8845 "A marker ID was expected (0xff--) instead of %.8x\n", l_current_marker);
8846 return OPJ_FALSE;
8847 }
8848
8849 /* Get the marker handler from the marker ID */
8850 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
8851
8852 /* Manage case where marker is unknown */
8853 if (l_marker_handler->id == J2K_MS_UNK) {
8854 if (! opj_j2k_read_unk(p_j2k, p_stream, &l_current_marker, p_manager)) {
8855 opj_event_msg(p_manager, EVT_ERROR,
8856 "Unknown marker has been detected and generated error.\n");
8857 return OPJ_FALSE;
8858 }
8859
8860 if (l_current_marker == J2K_MS_SOT) {
8861 break; /* SOT marker is detected main header is completely read */
8862 } else { /* Get the marker handler from the marker ID */
8863 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
8864 }
8865 }
8866
8867 if (l_marker_handler->id == J2K_MS_SIZ) {
8868 /* Mark required SIZ marker as found */
8869 l_has_siz = 1;
8870 }
8871 if (l_marker_handler->id == J2K_MS_COD) {
8872 /* Mark required COD marker as found */
8873 l_has_cod = 1;
8874 }
8875 if (l_marker_handler->id == J2K_MS_QCD) {
8876 /* Mark required QCD marker as found */
8877 l_has_qcd = 1;
8878 }
8879
8880 /* Check if the marker is known and if it is the right place to find it */
8881 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
8882 opj_event_msg(p_manager, EVT_ERROR,
8883 "Marker is not compliant with its position\n");
8884 return OPJ_FALSE;
8885 }
8886
8887 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
8888 if (opj_stream_read_data(p_stream,
8889 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8890 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8891 return OPJ_FALSE;
8892 }
8893
8894 /* read 2 bytes as the marker size */
8895 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
8896 2);
8897 if (l_marker_size < 2) {
8898 opj_event_msg(p_manager, EVT_ERROR, "Invalid marker size\n");
8899 return OPJ_FALSE;
8900 }
8901 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
8902
8903 /* Check if the marker size is compatible with the header data size */
8904 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
8905 OPJ_BYTE *new_header_data = (OPJ_BYTE *) opj_realloc(
8906 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
8907 if (! new_header_data) {
8908 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
8909 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
8910 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
8911 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
8912 return OPJ_FALSE;
8913 }
8914 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
8915 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
8916 }
8917
8918 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
8919 if (opj_stream_read_data(p_stream,
8920 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
8921 p_manager) != l_marker_size) {
8922 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8923 return OPJ_FALSE;
8924 }
8925
8926 /* Read the marker segment with the correct marker handler */
8927 if (!(*(l_marker_handler->handler))(p_j2k,
8928 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
8929 opj_event_msg(p_manager, EVT_ERROR,
8930 "Marker handler function failed to read the marker segment\n");
8931 return OPJ_FALSE;
8932 }
8933
8934 /* Add the marker to the codestream index*/
8935 if (OPJ_FALSE == opj_j2k_add_mhmarker(
8936 p_j2k->cstr_index,
8937 l_marker_handler->id,
8938 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
8939 l_marker_size + 4)) {
8940 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
8941 return OPJ_FALSE;
8942 }
8943
8944 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8945 if (opj_stream_read_data(p_stream,
8946 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8947 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8948 return OPJ_FALSE;
8949 }
8950
8951 /* read 2 bytes as the new marker ID */
8952 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8953 &l_current_marker, 2);
8954 }
8955
8956 if (l_has_siz == 0) {
8957 opj_event_msg(p_manager, EVT_ERROR,
8958 "required SIZ marker not found in main header\n");
8959 return OPJ_FALSE;
8960 }
8961 if (l_has_cod == 0) {
8962 opj_event_msg(p_manager, EVT_ERROR,
8963 "required COD marker not found in main header\n");
8964 return OPJ_FALSE;
8965 }
8966 if (l_has_qcd == 0) {
8967 opj_event_msg(p_manager, EVT_ERROR,
8968 "required QCD marker not found in main header\n");
8969 return OPJ_FALSE;
8970 }
8971
8972 if (! opj_j2k_merge_ppm(&(p_j2k->m_cp), p_manager)) {
8973 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPM data\n");
8974 return OPJ_FALSE;
8975 }
8976
8977 opj_event_msg(p_manager, EVT_INFO, "Main header has been correctly decoded.\n");
8978
8979 /* Position of the last element if the main header */
8980 p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2;
8981
8982 /* Next step: read a tile-part header */
8983 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
8984
8985 return OPJ_TRUE;
8986 }
8987
opj_j2k_exec(opj_j2k_t * p_j2k,opj_procedure_list_t * p_procedure_list,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8988 static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
8989 opj_procedure_list_t * p_procedure_list,
8990 opj_stream_private_t *p_stream,
8991 opj_event_mgr_t * p_manager)
8992 {
8993 OPJ_BOOL(** l_procedure)(opj_j2k_t *, opj_stream_private_t *,
8994 opj_event_mgr_t *) = 00;
8995 OPJ_BOOL l_result = OPJ_TRUE;
8996 OPJ_UINT32 l_nb_proc, i;
8997
8998 /* preconditions*/
8999 assert(p_procedure_list != 00);
9000 assert(p_j2k != 00);
9001 assert(p_stream != 00);
9002 assert(p_manager != 00);
9003
9004 l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
9005 l_procedure = (OPJ_BOOL(**)(opj_j2k_t *, opj_stream_private_t *,
9006 opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
9007
9008 for (i = 0; i < l_nb_proc; ++i) {
9009 l_result = l_result && ((*l_procedure)(p_j2k, p_stream, p_manager));
9010 ++l_procedure;
9011 }
9012
9013 /* and clear the procedure list at the end.*/
9014 opj_procedure_list_clear(p_procedure_list);
9015 return l_result;
9016 }
9017
9018 /* FIXME DOC*/
opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)9019 static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
9020 opj_stream_private_t *p_stream,
9021 opj_event_mgr_t * p_manager
9022 )
9023 {
9024 opj_tcp_t * l_tcp = 00;
9025 opj_tcp_t * l_default_tcp = 00;
9026 OPJ_UINT32 l_nb_tiles;
9027 OPJ_UINT32 i, j;
9028 opj_tccp_t *l_current_tccp = 00;
9029 OPJ_UINT32 l_tccp_size;
9030 OPJ_UINT32 l_mct_size;
9031 opj_image_t * l_image;
9032 OPJ_UINT32 l_mcc_records_size, l_mct_records_size;
9033 opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
9034 opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
9035 OPJ_UINT32 l_offset;
9036
9037 /* preconditions */
9038 assert(p_j2k != 00);
9039 assert(p_stream != 00);
9040 assert(p_manager != 00);
9041
9042 OPJ_UNUSED(p_stream);
9043
9044 l_image = p_j2k->m_private_image;
9045 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
9046 l_tcp = p_j2k->m_cp.tcps;
9047 l_tccp_size = l_image->numcomps * (OPJ_UINT32)sizeof(opj_tccp_t);
9048 l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
9049 l_mct_size = l_image->numcomps * l_image->numcomps * (OPJ_UINT32)sizeof(
9050 OPJ_FLOAT32);
9051
9052 /* For each tile */
9053 for (i = 0; i < l_nb_tiles; ++i) {
9054 /* keep the tile-compo coding parameters pointer of the current tile coding parameters*/
9055 l_current_tccp = l_tcp->tccps;
9056 /*Copy default coding parameters into the current tile coding parameters*/
9057 memcpy(l_tcp, l_default_tcp, sizeof(opj_tcp_t));
9058 /* Initialize some values of the current tile coding parameters*/
9059 l_tcp->cod = 0;
9060 l_tcp->ppt = 0;
9061 l_tcp->ppt_data = 00;
9062 l_tcp->m_current_tile_part_number = -1;
9063 /* Remove memory not owned by this tile in case of early error return. */
9064 l_tcp->m_mct_decoding_matrix = 00;
9065 l_tcp->m_nb_max_mct_records = 0;
9066 l_tcp->m_mct_records = 00;
9067 l_tcp->m_nb_max_mcc_records = 0;
9068 l_tcp->m_mcc_records = 00;
9069 /* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
9070 l_tcp->tccps = l_current_tccp;
9071
9072 /* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/
9073 if (l_default_tcp->m_mct_decoding_matrix) {
9074 l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
9075 if (! l_tcp->m_mct_decoding_matrix) {
9076 return OPJ_FALSE;
9077 }
9078 memcpy(l_tcp->m_mct_decoding_matrix, l_default_tcp->m_mct_decoding_matrix,
9079 l_mct_size);
9080 }
9081
9082 /* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/
9083 l_mct_records_size = l_default_tcp->m_nb_max_mct_records * (OPJ_UINT32)sizeof(
9084 opj_mct_data_t);
9085 l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(l_mct_records_size);
9086 if (! l_tcp->m_mct_records) {
9087 return OPJ_FALSE;
9088 }
9089 memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records, l_mct_records_size);
9090
9091 /* Copy the mct record data from dflt_tile_cp to the current tile*/
9092 l_src_mct_rec = l_default_tcp->m_mct_records;
9093 l_dest_mct_rec = l_tcp->m_mct_records;
9094
9095 for (j = 0; j < l_default_tcp->m_nb_mct_records; ++j) {
9096
9097 if (l_src_mct_rec->m_data) {
9098
9099 l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(l_src_mct_rec->m_data_size);
9100 if (! l_dest_mct_rec->m_data) {
9101 return OPJ_FALSE;
9102 }
9103 memcpy(l_dest_mct_rec->m_data, l_src_mct_rec->m_data,
9104 l_src_mct_rec->m_data_size);
9105 }
9106
9107 ++l_src_mct_rec;
9108 ++l_dest_mct_rec;
9109 /* Update with each pass to free exactly what has been allocated on early return. */
9110 l_tcp->m_nb_max_mct_records += 1;
9111 }
9112
9113 /* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
9114 l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * (OPJ_UINT32)sizeof(
9115 opj_simple_mcc_decorrelation_data_t);
9116 l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(
9117 l_mcc_records_size);
9118 if (! l_tcp->m_mcc_records) {
9119 return OPJ_FALSE;
9120 }
9121 memcpy(l_tcp->m_mcc_records, l_default_tcp->m_mcc_records, l_mcc_records_size);
9122 l_tcp->m_nb_max_mcc_records = l_default_tcp->m_nb_max_mcc_records;
9123
9124 /* Copy the mcc record data from dflt_tile_cp to the current tile*/
9125 l_src_mcc_rec = l_default_tcp->m_mcc_records;
9126 l_dest_mcc_rec = l_tcp->m_mcc_records;
9127
9128 for (j = 0; j < l_default_tcp->m_nb_max_mcc_records; ++j) {
9129
9130 if (l_src_mcc_rec->m_decorrelation_array) {
9131 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_decorrelation_array -
9132 l_default_tcp->m_mct_records);
9133 l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
9134 }
9135
9136 if (l_src_mcc_rec->m_offset_array) {
9137 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_offset_array -
9138 l_default_tcp->m_mct_records);
9139 l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
9140 }
9141
9142 ++l_src_mcc_rec;
9143 ++l_dest_mcc_rec;
9144 }
9145
9146 /* Copy all the dflt_tile_compo_cp to the current tile cp */
9147 memcpy(l_current_tccp, l_default_tcp->tccps, l_tccp_size);
9148
9149 /* Move to next tile cp*/
9150 ++l_tcp;
9151 }
9152
9153 /* Create the current tile decoder*/
9154 p_j2k->m_tcd = opj_tcd_create(OPJ_TRUE);
9155 if (! p_j2k->m_tcd) {
9156 return OPJ_FALSE;
9157 }
9158
9159 if (!opj_tcd_init(p_j2k->m_tcd, l_image, &(p_j2k->m_cp), p_j2k->m_tp)) {
9160 opj_tcd_destroy(p_j2k->m_tcd);
9161 p_j2k->m_tcd = 00;
9162 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
9163 return OPJ_FALSE;
9164 }
9165
9166 return OPJ_TRUE;
9167 }
9168
opj_j2k_get_marker_handler(OPJ_UINT32 p_id)9169 static const opj_dec_memory_marker_handler_t * opj_j2k_get_marker_handler(
9170 OPJ_UINT32 p_id)
9171 {
9172 const opj_dec_memory_marker_handler_t *e;
9173 for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) {
9174 if (e->id == p_id) {
9175 break; /* we find a handler corresponding to the marker ID*/
9176 }
9177 }
9178 return e;
9179 }
9180
opj_j2k_destroy(opj_j2k_t * p_j2k)9181 void opj_j2k_destroy(opj_j2k_t *p_j2k)
9182 {
9183 if (p_j2k == 00) {
9184 return;
9185 }
9186
9187 if (p_j2k->m_is_decoder) {
9188
9189 if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) {
9190 opj_j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp);
9191 opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp);
9192 p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
9193 }
9194
9195 if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) {
9196 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
9197 p_j2k->m_specific_param.m_decoder.m_header_data = 00;
9198 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
9199 }
9200
9201 opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
9202 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = 00;
9203 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
9204
9205 } else {
9206
9207 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
9208 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
9209 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
9210 }
9211
9212 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
9213 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
9214 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
9215 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
9216 }
9217
9218 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
9219 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
9220 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
9221 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
9222 }
9223 }
9224
9225 opj_tcd_destroy(p_j2k->m_tcd);
9226
9227 opj_j2k_cp_destroy(&(p_j2k->m_cp));
9228 memset(&(p_j2k->m_cp), 0, sizeof(opj_cp_t));
9229
9230 opj_procedure_list_destroy(p_j2k->m_procedure_list);
9231 p_j2k->m_procedure_list = 00;
9232
9233 opj_procedure_list_destroy(p_j2k->m_validation_list);
9234 p_j2k->m_procedure_list = 00;
9235
9236 j2k_destroy_cstr_index(p_j2k->cstr_index);
9237 p_j2k->cstr_index = NULL;
9238
9239 opj_image_destroy(p_j2k->m_private_image);
9240 p_j2k->m_private_image = NULL;
9241
9242 opj_image_destroy(p_j2k->m_output_image);
9243 p_j2k->m_output_image = NULL;
9244
9245 opj_thread_pool_destroy(p_j2k->m_tp);
9246 p_j2k->m_tp = NULL;
9247
9248 opj_free(p_j2k);
9249 }
9250
j2k_destroy_cstr_index(opj_codestream_index_t * p_cstr_ind)9251 void j2k_destroy_cstr_index(opj_codestream_index_t *p_cstr_ind)
9252 {
9253 if (p_cstr_ind) {
9254
9255 if (p_cstr_ind->marker) {
9256 opj_free(p_cstr_ind->marker);
9257 p_cstr_ind->marker = NULL;
9258 }
9259
9260 if (p_cstr_ind->tile_index) {
9261 OPJ_UINT32 it_tile = 0;
9262
9263 for (it_tile = 0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) {
9264
9265 if (p_cstr_ind->tile_index[it_tile].packet_index) {
9266 opj_free(p_cstr_ind->tile_index[it_tile].packet_index);
9267 p_cstr_ind->tile_index[it_tile].packet_index = NULL;
9268 }
9269
9270 if (p_cstr_ind->tile_index[it_tile].tp_index) {
9271 opj_free(p_cstr_ind->tile_index[it_tile].tp_index);
9272 p_cstr_ind->tile_index[it_tile].tp_index = NULL;
9273 }
9274
9275 if (p_cstr_ind->tile_index[it_tile].marker) {
9276 opj_free(p_cstr_ind->tile_index[it_tile].marker);
9277 p_cstr_ind->tile_index[it_tile].marker = NULL;
9278
9279 }
9280 }
9281
9282 opj_free(p_cstr_ind->tile_index);
9283 p_cstr_ind->tile_index = NULL;
9284 }
9285
9286 opj_free(p_cstr_ind);
9287 }
9288 }
9289
opj_j2k_tcp_destroy(opj_tcp_t * p_tcp)9290 static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp)
9291 {
9292 if (p_tcp == 00) {
9293 return;
9294 }
9295
9296 if (p_tcp->ppt_markers != 00) {
9297 OPJ_UINT32 i;
9298 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
9299 if (p_tcp->ppt_markers[i].m_data != NULL) {
9300 opj_free(p_tcp->ppt_markers[i].m_data);
9301 }
9302 }
9303 p_tcp->ppt_markers_count = 0U;
9304 opj_free(p_tcp->ppt_markers);
9305 p_tcp->ppt_markers = NULL;
9306 }
9307
9308 if (p_tcp->ppt_buffer != 00) {
9309 opj_free(p_tcp->ppt_buffer);
9310 p_tcp->ppt_buffer = 00;
9311 }
9312
9313 if (p_tcp->tccps != 00) {
9314 opj_free(p_tcp->tccps);
9315 p_tcp->tccps = 00;
9316 }
9317
9318 if (p_tcp->m_mct_coding_matrix != 00) {
9319 opj_free(p_tcp->m_mct_coding_matrix);
9320 p_tcp->m_mct_coding_matrix = 00;
9321 }
9322
9323 if (p_tcp->m_mct_decoding_matrix != 00) {
9324 opj_free(p_tcp->m_mct_decoding_matrix);
9325 p_tcp->m_mct_decoding_matrix = 00;
9326 }
9327
9328 if (p_tcp->m_mcc_records) {
9329 opj_free(p_tcp->m_mcc_records);
9330 p_tcp->m_mcc_records = 00;
9331 p_tcp->m_nb_max_mcc_records = 0;
9332 p_tcp->m_nb_mcc_records = 0;
9333 }
9334
9335 if (p_tcp->m_mct_records) {
9336 opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
9337 OPJ_UINT32 i;
9338
9339 for (i = 0; i < p_tcp->m_nb_mct_records; ++i) {
9340 if (l_mct_data->m_data) {
9341 opj_free(l_mct_data->m_data);
9342 l_mct_data->m_data = 00;
9343 }
9344
9345 ++l_mct_data;
9346 }
9347
9348 opj_free(p_tcp->m_mct_records);
9349 p_tcp->m_mct_records = 00;
9350 }
9351
9352 if (p_tcp->mct_norms != 00) {
9353 opj_free(p_tcp->mct_norms);
9354 p_tcp->mct_norms = 00;
9355 }
9356
9357 opj_j2k_tcp_data_destroy(p_tcp);
9358
9359 }
9360
opj_j2k_tcp_data_destroy(opj_tcp_t * p_tcp)9361 static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp)
9362 {
9363 if (p_tcp->m_data) {
9364 opj_free(p_tcp->m_data);
9365 p_tcp->m_data = NULL;
9366 p_tcp->m_data_size = 0;
9367 }
9368 }
9369
opj_j2k_cp_destroy(opj_cp_t * p_cp)9370 static void opj_j2k_cp_destroy(opj_cp_t *p_cp)
9371 {
9372 OPJ_UINT32 l_nb_tiles;
9373 opj_tcp_t * l_current_tile = 00;
9374
9375 if (p_cp == 00) {
9376 return;
9377 }
9378 if (p_cp->tcps != 00) {
9379 OPJ_UINT32 i;
9380 l_current_tile = p_cp->tcps;
9381 l_nb_tiles = p_cp->th * p_cp->tw;
9382
9383 for (i = 0U; i < l_nb_tiles; ++i) {
9384 opj_j2k_tcp_destroy(l_current_tile);
9385 ++l_current_tile;
9386 }
9387 opj_free(p_cp->tcps);
9388 p_cp->tcps = 00;
9389 }
9390 if (p_cp->ppm_markers != 00) {
9391 OPJ_UINT32 i;
9392 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
9393 if (p_cp->ppm_markers[i].m_data != NULL) {
9394 opj_free(p_cp->ppm_markers[i].m_data);
9395 }
9396 }
9397 p_cp->ppm_markers_count = 0U;
9398 opj_free(p_cp->ppm_markers);
9399 p_cp->ppm_markers = NULL;
9400 }
9401 opj_free(p_cp->ppm_buffer);
9402 p_cp->ppm_buffer = 00;
9403 p_cp->ppm_data =
9404 NULL; /* ppm_data belongs to the allocated buffer pointed by ppm_buffer */
9405 opj_free(p_cp->comment);
9406 p_cp->comment = 00;
9407 if (! p_cp->m_is_decoder) {
9408 opj_free(p_cp->m_specific_param.m_enc.m_matrice);
9409 p_cp->m_specific_param.m_enc.m_matrice = 00;
9410 }
9411 }
9412
opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t * p_stream,OPJ_UINT32 tile_no,OPJ_BOOL * p_correction_needed,opj_event_mgr_t * p_manager)9413 static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
9414 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
9415 opj_event_mgr_t * p_manager)
9416 {
9417 OPJ_BYTE l_header_data[10];
9418 OPJ_OFF_T l_stream_pos_backup;
9419 OPJ_UINT32 l_current_marker;
9420 OPJ_UINT32 l_marker_size;
9421 OPJ_UINT32 l_tile_no, l_tot_len, l_current_part, l_num_parts;
9422
9423 /* initialize to no correction needed */
9424 *p_correction_needed = OPJ_FALSE;
9425
9426 if (!opj_stream_has_seek(p_stream)) {
9427 /* We can't do much in this case, seek is needed */
9428 return OPJ_TRUE;
9429 }
9430
9431 l_stream_pos_backup = opj_stream_tell(p_stream);
9432 if (l_stream_pos_backup == -1) {
9433 /* let's do nothing */
9434 return OPJ_TRUE;
9435 }
9436
9437 for (;;) {
9438 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
9439 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
9440 /* assume all is OK */
9441 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9442 return OPJ_FALSE;
9443 }
9444 return OPJ_TRUE;
9445 }
9446
9447 /* Read 2 bytes from buffer as the new marker ID */
9448 opj_read_bytes(l_header_data, &l_current_marker, 2);
9449
9450 if (l_current_marker != J2K_MS_SOT) {
9451 /* assume all is OK */
9452 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9453 return OPJ_FALSE;
9454 }
9455 return OPJ_TRUE;
9456 }
9457
9458 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
9459 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
9460 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9461 return OPJ_FALSE;
9462 }
9463
9464 /* Read 2 bytes from the buffer as the marker size */
9465 opj_read_bytes(l_header_data, &l_marker_size, 2);
9466
9467 /* Check marker size for SOT Marker */
9468 if (l_marker_size != 10) {
9469 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
9470 return OPJ_FALSE;
9471 }
9472 l_marker_size -= 2;
9473
9474 if (opj_stream_read_data(p_stream, l_header_data, l_marker_size,
9475 p_manager) != l_marker_size) {
9476 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9477 return OPJ_FALSE;
9478 }
9479
9480 if (! opj_j2k_get_sot_values(l_header_data, l_marker_size, &l_tile_no,
9481 &l_tot_len, &l_current_part, &l_num_parts, p_manager)) {
9482 return OPJ_FALSE;
9483 }
9484
9485 if (l_tile_no == tile_no) {
9486 /* we found what we were looking for */
9487 break;
9488 }
9489
9490 if (l_tot_len < 14U) {
9491 /* last SOT until EOC or invalid Psot value */
9492 /* assume all is OK */
9493 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9494 return OPJ_FALSE;
9495 }
9496 return OPJ_TRUE;
9497 }
9498 l_tot_len -= 12U;
9499 /* look for next SOT marker */
9500 if (opj_stream_skip(p_stream, (OPJ_OFF_T)(l_tot_len),
9501 p_manager) != (OPJ_OFF_T)(l_tot_len)) {
9502 /* assume all is OK */
9503 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9504 return OPJ_FALSE;
9505 }
9506 return OPJ_TRUE;
9507 }
9508 }
9509
9510 /* check for correction */
9511 if (l_current_part == l_num_parts) {
9512 *p_correction_needed = OPJ_TRUE;
9513 }
9514
9515 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9516 return OPJ_FALSE;
9517 }
9518 return OPJ_TRUE;
9519 }
9520
opj_j2k_read_tile_header(opj_j2k_t * p_j2k,OPJ_UINT32 * p_tile_index,OPJ_UINT32 * p_data_size,OPJ_INT32 * p_tile_x0,OPJ_INT32 * p_tile_y0,OPJ_INT32 * p_tile_x1,OPJ_INT32 * p_tile_y1,OPJ_UINT32 * p_nb_comps,OPJ_BOOL * p_go_on,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)9521 OPJ_BOOL opj_j2k_read_tile_header(opj_j2k_t * p_j2k,
9522 OPJ_UINT32 * p_tile_index,
9523 OPJ_UINT32 * p_data_size,
9524 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
9525 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
9526 OPJ_UINT32 * p_nb_comps,
9527 OPJ_BOOL * p_go_on,
9528 opj_stream_private_t *p_stream,
9529 opj_event_mgr_t * p_manager)
9530 {
9531 OPJ_UINT32 l_current_marker = J2K_MS_SOT;
9532 OPJ_UINT32 l_marker_size;
9533 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
9534 opj_tcp_t * l_tcp = NULL;
9535 const OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
9536
9537 /* preconditions */
9538 assert(p_stream != 00);
9539 assert(p_j2k != 00);
9540 assert(p_manager != 00);
9541
9542 /* Reach the End Of Codestream ?*/
9543 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
9544 l_current_marker = J2K_MS_EOC;
9545 }
9546 /* We need to encounter a SOT marker (a new tile-part header) */
9547 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
9548 return OPJ_FALSE;
9549 }
9550
9551 /* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */
9552 while ((!p_j2k->m_specific_param.m_decoder.m_can_decode) &&
9553 (l_current_marker != J2K_MS_EOC)) {
9554
9555 /* Try to read until the Start Of Data is detected */
9556 while (l_current_marker != J2K_MS_SOD) {
9557
9558 if (opj_stream_get_number_byte_left(p_stream) == 0) {
9559 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
9560 break;
9561 }
9562
9563 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
9564 if (opj_stream_read_data(p_stream,
9565 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9566 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9567 return OPJ_FALSE;
9568 }
9569
9570 /* Read 2 bytes from the buffer as the marker size */
9571 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
9572 2);
9573
9574 /* Check marker size (does not include marker ID but includes marker size) */
9575 if (l_marker_size < 2) {
9576 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
9577 return OPJ_FALSE;
9578 }
9579
9580 /* cf. https://code.google.com/p/openjpeg/issues/detail?id=226 */
9581 if (l_current_marker == 0x8080 &&
9582 opj_stream_get_number_byte_left(p_stream) == 0) {
9583 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
9584 break;
9585 }
9586
9587 /* Why this condition? FIXME */
9588 if (p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH) {
9589 p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
9590 }
9591 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
9592
9593 /* Get the marker handler from the marker ID */
9594 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
9595
9596 /* Check if the marker is known and if it is the right place to find it */
9597 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
9598 opj_event_msg(p_manager, EVT_ERROR,
9599 "Marker is not compliant with its position\n");
9600 return OPJ_FALSE;
9601 }
9602 /* FIXME manage case of unknown marker as in the main header ? */
9603
9604 /* Check if the marker size is compatible with the header data size */
9605 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
9606 OPJ_BYTE *new_header_data = NULL;
9607 /* If we are here, this means we consider this marker as known & we will read it */
9608 /* Check enough bytes left in stream before allocation */
9609 if ((OPJ_OFF_T)l_marker_size > opj_stream_get_number_byte_left(p_stream)) {
9610 opj_event_msg(p_manager, EVT_ERROR,
9611 "Marker size inconsistent with stream length\n");
9612 return OPJ_FALSE;
9613 }
9614 new_header_data = (OPJ_BYTE *) opj_realloc(
9615 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
9616 if (! new_header_data) {
9617 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
9618 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
9619 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
9620 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
9621 return OPJ_FALSE;
9622 }
9623 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
9624 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
9625 }
9626
9627 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
9628 if (opj_stream_read_data(p_stream,
9629 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
9630 p_manager) != l_marker_size) {
9631 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9632 return OPJ_FALSE;
9633 }
9634
9635 if (!l_marker_handler->handler) {
9636 /* See issue #175 */
9637 opj_event_msg(p_manager, EVT_ERROR, "Not sure how that happened.\n");
9638 return OPJ_FALSE;
9639 }
9640 /* Read the marker segment with the correct marker handler */
9641 if (!(*(l_marker_handler->handler))(p_j2k,
9642 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
9643 opj_event_msg(p_manager, EVT_ERROR,
9644 "Fail to read the current marker segment (%#x)\n", l_current_marker);
9645 return OPJ_FALSE;
9646 }
9647
9648 /* Add the marker to the codestream index*/
9649 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
9650 p_j2k->cstr_index,
9651 l_marker_handler->id,
9652 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
9653 l_marker_size + 4)) {
9654 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
9655 return OPJ_FALSE;
9656 }
9657
9658 /* Keep the position of the last SOT marker read */
9659 if (l_marker_handler->id == J2K_MS_SOT) {
9660 OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4
9661 ;
9662 if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos) {
9663 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos;
9664 }
9665 }
9666
9667 if (p_j2k->m_specific_param.m_decoder.m_skip_data) {
9668 /* Skip the rest of the tile part header*/
9669 if (opj_stream_skip(p_stream, p_j2k->m_specific_param.m_decoder.m_sot_length,
9670 p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) {
9671 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9672 return OPJ_FALSE;
9673 }
9674 l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */
9675 } else {
9676 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
9677 if (opj_stream_read_data(p_stream,
9678 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9679 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9680 return OPJ_FALSE;
9681 }
9682 /* Read 2 bytes from the buffer as the new marker ID */
9683 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
9684 &l_current_marker, 2);
9685 }
9686 }
9687 if (opj_stream_get_number_byte_left(p_stream) == 0
9688 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
9689 break;
9690 }
9691
9692 /* If we didn't skip data before, we need to read the SOD marker*/
9693 if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
9694 /* Try to read the SOD marker and skip data ? FIXME */
9695 if (! opj_j2k_read_sod(p_j2k, p_stream, p_manager)) {
9696 return OPJ_FALSE;
9697 }
9698 if (p_j2k->m_specific_param.m_decoder.m_can_decode &&
9699 !p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked) {
9700 /* Issue 254 */
9701 OPJ_BOOL l_correction_needed;
9702
9703 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
9704 if (!opj_j2k_need_nb_tile_parts_correction(p_stream,
9705 p_j2k->m_current_tile_number, &l_correction_needed, p_manager)) {
9706 opj_event_msg(p_manager, EVT_ERROR,
9707 "opj_j2k_apply_nb_tile_parts_correction error\n");
9708 return OPJ_FALSE;
9709 }
9710 if (l_correction_needed) {
9711 OPJ_UINT32 l_tile_no;
9712
9713 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
9714 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction = 1;
9715 /* correct tiles */
9716 for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
9717 if (p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts != 0U) {
9718 p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts += 1;
9719 }
9720 }
9721 opj_event_msg(p_manager, EVT_WARNING,
9722 "Non conformant codestream TPsot==TNsot.\n");
9723 }
9724 }
9725 } else {
9726 /* Indicate we will try to read a new tile-part header*/
9727 p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
9728 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
9729 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
9730 }
9731
9732 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
9733 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
9734 if (opj_stream_read_data(p_stream,
9735 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9736
9737 /* Deal with likely non conformant SPOT6 files, where the last */
9738 /* row of tiles have TPsot == 0 and TNsot == 0, and missing EOC, */
9739 /* but no other tile-parts were found. */
9740 if (p_j2k->m_current_tile_number + 1 == l_nb_tiles) {
9741 OPJ_UINT32 l_tile_no;
9742 for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
9743 if (p_j2k->m_cp.tcps[l_tile_no].m_current_tile_part_number == 0 &&
9744 p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts == 0) {
9745 break;
9746 }
9747 }
9748 if (l_tile_no < l_nb_tiles) {
9749 opj_event_msg(p_manager, EVT_INFO,
9750 "Tile %u has TPsot == 0 and TNsot == 0, "
9751 "but no other tile-parts were found. "
9752 "EOC is also missing.\n",
9753 l_tile_no);
9754 p_j2k->m_current_tile_number = l_tile_no;
9755 l_current_marker = J2K_MS_EOC;
9756 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
9757 break;
9758 }
9759 }
9760
9761 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9762 return OPJ_FALSE;
9763 }
9764
9765 /* Read 2 bytes from buffer as the new marker ID */
9766 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
9767 &l_current_marker, 2);
9768 }
9769 }
9770
9771 /* Current marker is the EOC marker ?*/
9772 if (l_current_marker == J2K_MS_EOC) {
9773 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
9774 p_j2k->m_current_tile_number = 0;
9775 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
9776 }
9777 }
9778
9779 /* Deal with tiles that have a single tile-part with TPsot == 0 and TNsot == 0 */
9780 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
9781 l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
9782
9783 while ((p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00)) {
9784 ++p_j2k->m_current_tile_number;
9785 ++l_tcp;
9786 }
9787
9788 if (p_j2k->m_current_tile_number == l_nb_tiles) {
9789 *p_go_on = OPJ_FALSE;
9790 return OPJ_TRUE;
9791 }
9792 }
9793
9794 if (! opj_j2k_merge_ppt(p_j2k->m_cp.tcps + p_j2k->m_current_tile_number,
9795 p_manager)) {
9796 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPT data\n");
9797 return OPJ_FALSE;
9798 }
9799 /*FIXME ???*/
9800 if (! opj_tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
9801 p_manager)) {
9802 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
9803 return OPJ_FALSE;
9804 }
9805
9806 opj_event_msg(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
9807 p_j2k->m_current_tile_number + 1, (p_j2k->m_cp.th * p_j2k->m_cp.tw));
9808
9809 *p_tile_index = p_j2k->m_current_tile_number;
9810 *p_go_on = OPJ_TRUE;
9811 if (p_data_size) {
9812 /* For internal use in j2k.c, we don't need this */
9813 /* This is just needed for folks using the opj_read_tile_header() / opj_decode_tile_data() combo */
9814 *p_data_size = opj_tcd_get_decoded_tile_size(p_j2k->m_tcd, OPJ_FALSE);
9815 if (*p_data_size == UINT_MAX) {
9816 return OPJ_FALSE;
9817 }
9818 }
9819 *p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
9820 *p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
9821 *p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
9822 *p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
9823 *p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
9824
9825 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
9826
9827 return OPJ_TRUE;
9828 }
9829
opj_j2k_decode_tile(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_index,OPJ_BYTE * p_data,OPJ_UINT32 p_data_size,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)9830 OPJ_BOOL opj_j2k_decode_tile(opj_j2k_t * p_j2k,
9831 OPJ_UINT32 p_tile_index,
9832 OPJ_BYTE * p_data,
9833 OPJ_UINT32 p_data_size,
9834 opj_stream_private_t *p_stream,
9835 opj_event_mgr_t * p_manager)
9836 {
9837 OPJ_UINT32 l_current_marker;
9838 OPJ_BYTE l_data [2];
9839 opj_tcp_t * l_tcp;
9840 opj_image_t* l_image_for_bounds;
9841
9842 /* preconditions */
9843 assert(p_stream != 00);
9844 assert(p_j2k != 00);
9845 assert(p_manager != 00);
9846
9847 if (!(p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_DATA)
9848 || (p_tile_index != p_j2k->m_current_tile_number)) {
9849 return OPJ_FALSE;
9850 }
9851
9852 l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
9853 if (! l_tcp->m_data) {
9854 opj_j2k_tcp_destroy(l_tcp);
9855 return OPJ_FALSE;
9856 }
9857
9858 /* When using the opj_read_tile_header / opj_decode_tile_data API */
9859 /* such as in test_tile_decoder, m_output_image is NULL, so fall back */
9860 /* to the full image dimension. This is a bit surprising that */
9861 /* opj_set_decode_area() is only used to determine intersecting tiles, */
9862 /* but full tile decoding is done */
9863 l_image_for_bounds = p_j2k->m_output_image ? p_j2k->m_output_image :
9864 p_j2k->m_private_image;
9865 if (! opj_tcd_decode_tile(p_j2k->m_tcd,
9866 l_image_for_bounds->x0,
9867 l_image_for_bounds->y0,
9868 l_image_for_bounds->x1,
9869 l_image_for_bounds->y1,
9870 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode,
9871 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
9872 l_tcp->m_data,
9873 l_tcp->m_data_size,
9874 p_tile_index,
9875 p_j2k->cstr_index, p_manager)) {
9876 opj_j2k_tcp_destroy(l_tcp);
9877 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
9878 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode.\n");
9879 return OPJ_FALSE;
9880 }
9881
9882 /* p_data can be set to NULL when the call will take care of using */
9883 /* itself the TCD data. This is typically the case for whole single */
9884 /* tile decoding optimization. */
9885 if (p_data != NULL) {
9886 if (! opj_tcd_update_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
9887 return OPJ_FALSE;
9888 }
9889
9890 /* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access)
9891 * we destroy just the data which will be re-read in read_tile_header*/
9892 /*opj_j2k_tcp_destroy(l_tcp);
9893 p_j2k->m_tcd->tcp = 0;*/
9894 opj_j2k_tcp_data_destroy(l_tcp);
9895 }
9896
9897 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
9898 p_j2k->m_specific_param.m_decoder.m_state &= (~(OPJ_UINT32)J2K_STATE_DATA);
9899
9900 if (opj_stream_get_number_byte_left(p_stream) == 0
9901 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
9902 return OPJ_TRUE;
9903 }
9904
9905 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
9906 if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
9907 opj_event_msg(p_manager, p_j2k->m_cp.strict ? EVT_ERROR : EVT_WARNING,
9908 "Stream too short\n");
9909 return p_j2k->m_cp.strict ? OPJ_FALSE : OPJ_TRUE;
9910 }
9911 opj_read_bytes(l_data, &l_current_marker, 2);
9912
9913 if (l_current_marker == J2K_MS_EOC) {
9914 p_j2k->m_current_tile_number = 0;
9915 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
9916 } else if (l_current_marker != J2K_MS_SOT) {
9917 if (opj_stream_get_number_byte_left(p_stream) == 0) {
9918 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
9919 opj_event_msg(p_manager, EVT_WARNING, "Stream does not end with EOC\n");
9920 return OPJ_TRUE;
9921 }
9922 opj_event_msg(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
9923 return OPJ_FALSE;
9924 }
9925 }
9926
9927 return OPJ_TRUE;
9928 }
9929
opj_j2k_update_image_data(opj_tcd_t * p_tcd,opj_image_t * p_output_image)9930 static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
9931 opj_image_t* p_output_image)
9932 {
9933 OPJ_UINT32 i, j;
9934 OPJ_UINT32 l_width_src, l_height_src;
9935 OPJ_UINT32 l_width_dest, l_height_dest;
9936 OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src;
9937 OPJ_SIZE_T l_start_offset_src;
9938 OPJ_UINT32 l_start_x_dest, l_start_y_dest;
9939 OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest;
9940 OPJ_SIZE_T l_start_offset_dest;
9941
9942 opj_image_comp_t * l_img_comp_src = 00;
9943 opj_image_comp_t * l_img_comp_dest = 00;
9944
9945 opj_tcd_tilecomp_t * l_tilec = 00;
9946 opj_image_t * l_image_src = 00;
9947 OPJ_INT32 * l_dest_ptr;
9948
9949 l_tilec = p_tcd->tcd_image->tiles->comps;
9950 l_image_src = p_tcd->image;
9951 l_img_comp_src = l_image_src->comps;
9952
9953 l_img_comp_dest = p_output_image->comps;
9954
9955 for (i = 0; i < l_image_src->numcomps;
9956 i++, ++l_img_comp_dest, ++l_img_comp_src, ++l_tilec) {
9957 OPJ_INT32 res_x0, res_x1, res_y0, res_y1;
9958 OPJ_UINT32 src_data_stride;
9959 const OPJ_INT32* p_src_data;
9960
9961 /* Copy info from decoded comp image to output image */
9962 l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded;
9963
9964 if (p_tcd->whole_tile_decoding) {
9965 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
9966 l_img_comp_src->resno_decoded;
9967 res_x0 = l_res->x0;
9968 res_y0 = l_res->y0;
9969 res_x1 = l_res->x1;
9970 res_y1 = l_res->y1;
9971 src_data_stride = (OPJ_UINT32)(
9972 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x1 -
9973 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x0);
9974 p_src_data = l_tilec->data;
9975 } else {
9976 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
9977 l_img_comp_src->resno_decoded;
9978 res_x0 = (OPJ_INT32)l_res->win_x0;
9979 res_y0 = (OPJ_INT32)l_res->win_y0;
9980 res_x1 = (OPJ_INT32)l_res->win_x1;
9981 res_y1 = (OPJ_INT32)l_res->win_y1;
9982 src_data_stride = l_res->win_x1 - l_res->win_x0;
9983 p_src_data = l_tilec->data_win;
9984 }
9985
9986 if (p_src_data == NULL) {
9987 /* Happens for partial component decoding */
9988 continue;
9989 }
9990
9991 l_width_src = (OPJ_UINT32)(res_x1 - res_x0);
9992 l_height_src = (OPJ_UINT32)(res_y1 - res_y0);
9993
9994
9995 /* Current tile component size*/
9996 /*if (i == 0) {
9997 fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n",
9998 res_x0, res_x1, res_y0, res_y1);
9999 }*/
10000
10001
10002 /* Border of the current output component*/
10003 l_x0_dest = opj_uint_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
10004 l_y0_dest = opj_uint_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
10005 l_x1_dest = l_x0_dest +
10006 l_img_comp_dest->w; /* can't overflow given that image->x1 is uint32 */
10007 l_y1_dest = l_y0_dest + l_img_comp_dest->h;
10008
10009 /*if (i == 0) {
10010 fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n",
10011 l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor );
10012 }*/
10013
10014 /*-----*/
10015 /* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src)
10016 * of the input buffer (decoded tile component) which will be move
10017 * in the output buffer. Compute the area of the output buffer (l_start_x_dest,
10018 * l_start_y_dest, l_width_dest, l_height_dest) which will be modified
10019 * by this input area.
10020 * */
10021 assert(res_x0 >= 0);
10022 assert(res_x1 >= 0);
10023
10024 /* Prevent bad casting to unsigned values in the subsequent lines. */
10025 if ( res_x0 < 0 || res_x1 < 0 || res_y0 < 0 || res_y1 < 0 ) {
10026 return OPJ_FALSE;
10027 }
10028
10029 if (l_x0_dest < (OPJ_UINT32)res_x0) {
10030 l_start_x_dest = (OPJ_UINT32)res_x0 - l_x0_dest;
10031 l_offset_x0_src = 0;
10032
10033 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
10034 l_width_dest = l_width_src;
10035 l_offset_x1_src = 0;
10036 } else {
10037 l_width_dest = l_x1_dest - (OPJ_UINT32)res_x0 ;
10038 l_offset_x1_src = (OPJ_INT32)(l_width_src - l_width_dest);
10039 }
10040 } else {
10041 l_start_x_dest = 0U;
10042 l_offset_x0_src = (OPJ_INT32)l_x0_dest - res_x0;
10043
10044 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
10045 l_width_dest = l_width_src - (OPJ_UINT32)l_offset_x0_src;
10046 l_offset_x1_src = 0;
10047 } else {
10048 l_width_dest = l_img_comp_dest->w ;
10049 l_offset_x1_src = res_x1 - (OPJ_INT32)l_x1_dest;
10050 }
10051 }
10052
10053 if (l_y0_dest < (OPJ_UINT32)res_y0) {
10054 l_start_y_dest = (OPJ_UINT32)res_y0 - l_y0_dest;
10055 l_offset_y0_src = 0;
10056
10057 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
10058 l_height_dest = l_height_src;
10059 l_offset_y1_src = 0;
10060 } else {
10061 l_height_dest = l_y1_dest - (OPJ_UINT32)res_y0 ;
10062 l_offset_y1_src = (OPJ_INT32)(l_height_src - l_height_dest);
10063 }
10064 } else {
10065 l_start_y_dest = 0U;
10066 l_offset_y0_src = (OPJ_INT32)l_y0_dest - res_y0;
10067
10068 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
10069 l_height_dest = l_height_src - (OPJ_UINT32)l_offset_y0_src;
10070 l_offset_y1_src = 0;
10071 } else {
10072 l_height_dest = l_img_comp_dest->h ;
10073 l_offset_y1_src = res_y1 - (OPJ_INT32)l_y1_dest;
10074 }
10075 }
10076
10077 if ((l_offset_x0_src < 0) || (l_offset_y0_src < 0) || (l_offset_x1_src < 0) ||
10078 (l_offset_y1_src < 0)) {
10079 return OPJ_FALSE;
10080 }
10081 /* testcase 2977.pdf.asan.67.2198 */
10082 if ((OPJ_INT32)l_width_dest < 0 || (OPJ_INT32)l_height_dest < 0) {
10083 return OPJ_FALSE;
10084 }
10085 /*-----*/
10086
10087 /* Compute the input buffer offset */
10088 l_start_offset_src = (OPJ_SIZE_T)l_offset_x0_src + (OPJ_SIZE_T)l_offset_y0_src
10089 * (OPJ_SIZE_T)src_data_stride;
10090
10091 /* Compute the output buffer offset */
10092 l_start_offset_dest = (OPJ_SIZE_T)l_start_x_dest + (OPJ_SIZE_T)l_start_y_dest
10093 * (OPJ_SIZE_T)l_img_comp_dest->w;
10094
10095 /* Allocate output component buffer if necessary */
10096 if (l_img_comp_dest->data == NULL &&
10097 l_start_offset_src == 0 && l_start_offset_dest == 0 &&
10098 src_data_stride == l_img_comp_dest->w &&
10099 l_width_dest == l_img_comp_dest->w &&
10100 l_height_dest == l_img_comp_dest->h) {
10101 /* If the final image matches the tile buffer, then borrow it */
10102 /* directly to save a copy */
10103 if (p_tcd->whole_tile_decoding) {
10104 l_img_comp_dest->data = l_tilec->data;
10105 l_tilec->data = NULL;
10106 } else {
10107 l_img_comp_dest->data = l_tilec->data_win;
10108 l_tilec->data_win = NULL;
10109 }
10110 continue;
10111 } else if (l_img_comp_dest->data == NULL) {
10112 OPJ_SIZE_T l_width = l_img_comp_dest->w;
10113 OPJ_SIZE_T l_height = l_img_comp_dest->h;
10114
10115 if ((l_height == 0U) || (l_width > (SIZE_MAX / l_height)) ||
10116 l_width * l_height > SIZE_MAX / sizeof(OPJ_INT32)) {
10117 /* would overflow */
10118 return OPJ_FALSE;
10119 }
10120 l_img_comp_dest->data = (OPJ_INT32*) opj_image_data_alloc(l_width * l_height *
10121 sizeof(OPJ_INT32));
10122 if (! l_img_comp_dest->data) {
10123 return OPJ_FALSE;
10124 }
10125
10126 if (l_img_comp_dest->w != l_width_dest ||
10127 l_img_comp_dest->h != l_height_dest) {
10128 memset(l_img_comp_dest->data, 0,
10129 (OPJ_SIZE_T)l_img_comp_dest->w * l_img_comp_dest->h * sizeof(OPJ_INT32));
10130 }
10131 }
10132
10133 /* Move the output buffer to the first place where we will write*/
10134 l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest;
10135
10136 {
10137 const OPJ_INT32 * l_src_ptr = p_src_data;
10138 l_src_ptr += l_start_offset_src;
10139
10140 for (j = 0; j < l_height_dest; ++j) {
10141 memcpy(l_dest_ptr, l_src_ptr, l_width_dest * sizeof(OPJ_INT32));
10142 l_dest_ptr += l_img_comp_dest->w;
10143 l_src_ptr += src_data_stride;
10144 }
10145 }
10146
10147
10148 }
10149
10150 return OPJ_TRUE;
10151 }
10152
opj_j2k_update_image_dimensions(opj_image_t * p_image,opj_event_mgr_t * p_manager)10153 static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
10154 opj_event_mgr_t * p_manager)
10155 {
10156 OPJ_UINT32 it_comp;
10157 OPJ_INT32 l_comp_x1, l_comp_y1;
10158 opj_image_comp_t* l_img_comp = NULL;
10159
10160 l_img_comp = p_image->comps;
10161 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
10162 OPJ_INT32 l_h, l_w;
10163 if (p_image->x0 > (OPJ_UINT32)INT_MAX ||
10164 p_image->y0 > (OPJ_UINT32)INT_MAX ||
10165 p_image->x1 > (OPJ_UINT32)INT_MAX ||
10166 p_image->y1 > (OPJ_UINT32)INT_MAX) {
10167 opj_event_msg(p_manager, EVT_ERROR,
10168 "Image coordinates above INT_MAX are not supported\n");
10169 return OPJ_FALSE;
10170 }
10171
10172 l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
10173 l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
10174 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
10175 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
10176
10177 l_w = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor)
10178 - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor);
10179 if (l_w < 0) {
10180 opj_event_msg(p_manager, EVT_ERROR,
10181 "Size x of the decoded component image is incorrect (comp[%d].w=%d).\n",
10182 it_comp, l_w);
10183 return OPJ_FALSE;
10184 }
10185 l_img_comp->w = (OPJ_UINT32)l_w;
10186
10187 l_h = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor)
10188 - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor);
10189 if (l_h < 0) {
10190 opj_event_msg(p_manager, EVT_ERROR,
10191 "Size y of the decoded component image is incorrect (comp[%d].h=%d).\n",
10192 it_comp, l_h);
10193 return OPJ_FALSE;
10194 }
10195 l_img_comp->h = (OPJ_UINT32)l_h;
10196
10197 l_img_comp++;
10198 }
10199
10200 return OPJ_TRUE;
10201 }
10202
opj_j2k_set_decoded_components(opj_j2k_t * p_j2k,OPJ_UINT32 numcomps,const OPJ_UINT32 * comps_indices,opj_event_mgr_t * p_manager)10203 OPJ_BOOL opj_j2k_set_decoded_components(opj_j2k_t *p_j2k,
10204 OPJ_UINT32 numcomps,
10205 const OPJ_UINT32* comps_indices,
10206 opj_event_mgr_t * p_manager)
10207 {
10208 OPJ_UINT32 i;
10209 OPJ_BOOL* already_mapped;
10210
10211 if (p_j2k->m_private_image == NULL) {
10212 opj_event_msg(p_manager, EVT_ERROR,
10213 "opj_read_header() should be called before "
10214 "opj_set_decoded_components().\n");
10215 return OPJ_FALSE;
10216 }
10217
10218 already_mapped = (OPJ_BOOL*) opj_calloc(sizeof(OPJ_BOOL),
10219 p_j2k->m_private_image->numcomps);
10220 if (already_mapped == NULL) {
10221 return OPJ_FALSE;
10222 }
10223
10224 for (i = 0; i < numcomps; i++) {
10225 if (comps_indices[i] >= p_j2k->m_private_image->numcomps) {
10226 opj_event_msg(p_manager, EVT_ERROR,
10227 "Invalid component index: %u\n",
10228 comps_indices[i]);
10229 opj_free(already_mapped);
10230 return OPJ_FALSE;
10231 }
10232 if (already_mapped[comps_indices[i]]) {
10233 opj_event_msg(p_manager, EVT_ERROR,
10234 "Component index %u used several times\n",
10235 comps_indices[i]);
10236 opj_free(already_mapped);
10237 return OPJ_FALSE;
10238 }
10239 already_mapped[comps_indices[i]] = OPJ_TRUE;
10240 }
10241 opj_free(already_mapped);
10242
10243 opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
10244 if (numcomps) {
10245 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode =
10246 (OPJ_UINT32*) opj_malloc(numcomps * sizeof(OPJ_UINT32));
10247 if (p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode == NULL) {
10248 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
10249 return OPJ_FALSE;
10250 }
10251 memcpy(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
10252 comps_indices,
10253 numcomps * sizeof(OPJ_UINT32));
10254 } else {
10255 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = NULL;
10256 }
10257 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = numcomps;
10258
10259 return OPJ_TRUE;
10260 }
10261
10262
opj_j2k_set_decode_area(opj_j2k_t * p_j2k,opj_image_t * p_image,OPJ_INT32 p_start_x,OPJ_INT32 p_start_y,OPJ_INT32 p_end_x,OPJ_INT32 p_end_y,opj_event_mgr_t * p_manager)10263 OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k,
10264 opj_image_t* p_image,
10265 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
10266 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
10267 opj_event_mgr_t * p_manager)
10268 {
10269 opj_cp_t * l_cp = &(p_j2k->m_cp);
10270 opj_image_t * l_image = p_j2k->m_private_image;
10271 OPJ_BOOL ret;
10272 OPJ_UINT32 it_comp;
10273
10274 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10275 p_j2k->m_cp.tcps[0].m_data != NULL) {
10276 /* In the case of a single-tiled image whose codestream we have already */
10277 /* ingested, go on */
10278 }
10279 /* Check if we are read the main header */
10280 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
10281 opj_event_msg(p_manager, EVT_ERROR,
10282 "Need to decode the main header before begin to decode the remaining codestream.\n");
10283 return OPJ_FALSE;
10284 }
10285
10286 /* Update the comps[].factor member of the output image with the one */
10287 /* of m_reduce */
10288 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
10289 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
10290 }
10291
10292 if (!p_start_x && !p_start_y && !p_end_x && !p_end_y) {
10293 opj_event_msg(p_manager, EVT_INFO,
10294 "No decoded area parameters, set the decoded area to the whole image\n");
10295
10296 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
10297 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
10298 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
10299 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
10300
10301 p_image->x0 = l_image->x0;
10302 p_image->y0 = l_image->y0;
10303 p_image->x1 = l_image->x1;
10304 p_image->y1 = l_image->y1;
10305
10306 return opj_j2k_update_image_dimensions(p_image, p_manager);
10307 }
10308
10309 /* ----- */
10310 /* Check if the positions provided by the user are correct */
10311
10312 /* Left */
10313 if (p_start_x < 0) {
10314 opj_event_msg(p_manager, EVT_ERROR,
10315 "Left position of the decoded area (region_x0=%d) should be >= 0.\n",
10316 p_start_x);
10317 return OPJ_FALSE;
10318 } else if ((OPJ_UINT32)p_start_x > l_image->x1) {
10319 opj_event_msg(p_manager, EVT_ERROR,
10320 "Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n",
10321 p_start_x, l_image->x1);
10322 return OPJ_FALSE;
10323 } else if ((OPJ_UINT32)p_start_x < l_image->x0) {
10324 opj_event_msg(p_manager, EVT_WARNING,
10325 "Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n",
10326 p_start_x, l_image->x0);
10327 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
10328 p_image->x0 = l_image->x0;
10329 } else {
10330 p_j2k->m_specific_param.m_decoder.m_start_tile_x = ((OPJ_UINT32)p_start_x -
10331 l_cp->tx0) / l_cp->tdx;
10332 p_image->x0 = (OPJ_UINT32)p_start_x;
10333 }
10334
10335 /* Up */
10336 if (p_start_y < 0) {
10337 opj_event_msg(p_manager, EVT_ERROR,
10338 "Up position of the decoded area (region_y0=%d) should be >= 0.\n",
10339 p_start_y);
10340 return OPJ_FALSE;
10341 } else if ((OPJ_UINT32)p_start_y > l_image->y1) {
10342 opj_event_msg(p_manager, EVT_ERROR,
10343 "Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n",
10344 p_start_y, l_image->y1);
10345 return OPJ_FALSE;
10346 } else if ((OPJ_UINT32)p_start_y < l_image->y0) {
10347 opj_event_msg(p_manager, EVT_WARNING,
10348 "Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n",
10349 p_start_y, l_image->y0);
10350 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
10351 p_image->y0 = l_image->y0;
10352 } else {
10353 p_j2k->m_specific_param.m_decoder.m_start_tile_y = ((OPJ_UINT32)p_start_y -
10354 l_cp->ty0) / l_cp->tdy;
10355 p_image->y0 = (OPJ_UINT32)p_start_y;
10356 }
10357
10358 /* Right */
10359 if (p_end_x <= 0) {
10360 opj_event_msg(p_manager, EVT_ERROR,
10361 "Right position of the decoded area (region_x1=%d) should be > 0.\n",
10362 p_end_x);
10363 return OPJ_FALSE;
10364 } else if ((OPJ_UINT32)p_end_x < l_image->x0) {
10365 opj_event_msg(p_manager, EVT_ERROR,
10366 "Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n",
10367 p_end_x, l_image->x0);
10368 return OPJ_FALSE;
10369 } else if ((OPJ_UINT32)p_end_x > l_image->x1) {
10370 opj_event_msg(p_manager, EVT_WARNING,
10371 "Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n",
10372 p_end_x, l_image->x1);
10373 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
10374 p_image->x1 = l_image->x1;
10375 } else {
10376 p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv(
10377 p_end_x - (OPJ_INT32)l_cp->tx0, (OPJ_INT32)l_cp->tdx);
10378 p_image->x1 = (OPJ_UINT32)p_end_x;
10379 }
10380
10381 /* Bottom */
10382 if (p_end_y <= 0) {
10383 opj_event_msg(p_manager, EVT_ERROR,
10384 "Bottom position of the decoded area (region_y1=%d) should be > 0.\n",
10385 p_end_y);
10386 return OPJ_FALSE;
10387 } else if ((OPJ_UINT32)p_end_y < l_image->y0) {
10388 opj_event_msg(p_manager, EVT_ERROR,
10389 "Bottom position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n",
10390 p_end_y, l_image->y0);
10391 return OPJ_FALSE;
10392 }
10393 if ((OPJ_UINT32)p_end_y > l_image->y1) {
10394 opj_event_msg(p_manager, EVT_WARNING,
10395 "Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n",
10396 p_end_y, l_image->y1);
10397 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
10398 p_image->y1 = l_image->y1;
10399 } else {
10400 p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv(
10401 p_end_y - (OPJ_INT32)l_cp->ty0, (OPJ_INT32)l_cp->tdy);
10402 p_image->y1 = (OPJ_UINT32)p_end_y;
10403 }
10404 /* ----- */
10405
10406 p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1;
10407
10408 ret = opj_j2k_update_image_dimensions(p_image, p_manager);
10409
10410 if (ret) {
10411 opj_event_msg(p_manager, EVT_INFO, "Setting decoding area to %d,%d,%d,%d\n",
10412 p_image->x0, p_image->y0, p_image->x1, p_image->y1);
10413 }
10414
10415 return ret;
10416 }
10417
opj_j2k_create_decompress(void)10418 opj_j2k_t* opj_j2k_create_decompress(void)
10419 {
10420 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
10421 if (!l_j2k) {
10422 return 00;
10423 }
10424
10425 l_j2k->m_is_decoder = 1;
10426 l_j2k->m_cp.m_is_decoder = 1;
10427 /* in the absence of JP2 boxes, consider different bit depth / sign */
10428 /* per component is allowed */
10429 l_j2k->m_cp.allow_different_bit_depth_sign = 1;
10430
10431 /* Default to using strict mode. */
10432 l_j2k->m_cp.strict = OPJ_TRUE;
10433
10434 #ifdef OPJ_DISABLE_TPSOT_FIX
10435 l_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
10436 #endif
10437
10438 l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_t*) opj_calloc(1,
10439 sizeof(opj_tcp_t));
10440 if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
10441 opj_j2k_destroy(l_j2k);
10442 return 00;
10443 }
10444
10445 l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_calloc(1,
10446 OPJ_J2K_DEFAULT_HEADER_SIZE);
10447 if (! l_j2k->m_specific_param.m_decoder.m_header_data) {
10448 opj_j2k_destroy(l_j2k);
10449 return 00;
10450 }
10451
10452 l_j2k->m_specific_param.m_decoder.m_header_data_size =
10453 OPJ_J2K_DEFAULT_HEADER_SIZE;
10454
10455 l_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = -1 ;
10456
10457 l_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = 0 ;
10458
10459 /* codestream index creation */
10460 l_j2k->cstr_index = opj_j2k_create_cstr_index();
10461 if (!l_j2k->cstr_index) {
10462 opj_j2k_destroy(l_j2k);
10463 return 00;
10464 }
10465
10466 /* validation list creation */
10467 l_j2k->m_validation_list = opj_procedure_list_create();
10468 if (! l_j2k->m_validation_list) {
10469 opj_j2k_destroy(l_j2k);
10470 return 00;
10471 }
10472
10473 /* execution list creation */
10474 l_j2k->m_procedure_list = opj_procedure_list_create();
10475 if (! l_j2k->m_procedure_list) {
10476 opj_j2k_destroy(l_j2k);
10477 return 00;
10478 }
10479
10480 l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
10481 if (!l_j2k->m_tp) {
10482 l_j2k->m_tp = opj_thread_pool_create(0);
10483 }
10484 if (!l_j2k->m_tp) {
10485 opj_j2k_destroy(l_j2k);
10486 return NULL;
10487 }
10488
10489 return l_j2k;
10490 }
10491
opj_j2k_create_cstr_index(void)10492 static opj_codestream_index_t* opj_j2k_create_cstr_index(void)
10493 {
10494 opj_codestream_index_t* cstr_index = (opj_codestream_index_t*)
10495 opj_calloc(1, sizeof(opj_codestream_index_t));
10496 if (!cstr_index) {
10497 return NULL;
10498 }
10499
10500 cstr_index->maxmarknum = 100;
10501 cstr_index->marknum = 0;
10502 cstr_index->marker = (opj_marker_info_t*)
10503 opj_calloc(cstr_index->maxmarknum, sizeof(opj_marker_info_t));
10504 if (!cstr_index-> marker) {
10505 opj_free(cstr_index);
10506 return NULL;
10507 }
10508
10509 cstr_index->tile_index = NULL;
10510
10511 return cstr_index;
10512 }
10513
opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no)10514 static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
10515 OPJ_UINT32 p_tile_no,
10516 OPJ_UINT32 p_comp_no)
10517 {
10518 opj_cp_t *l_cp = 00;
10519 opj_tcp_t *l_tcp = 00;
10520 opj_tccp_t *l_tccp = 00;
10521
10522 /* preconditions */
10523 assert(p_j2k != 00);
10524
10525 l_cp = &(p_j2k->m_cp);
10526 l_tcp = &l_cp->tcps[p_tile_no];
10527 l_tccp = &l_tcp->tccps[p_comp_no];
10528
10529 /* preconditions again */
10530 assert(p_tile_no < (l_cp->tw * l_cp->th));
10531 assert(p_comp_no < p_j2k->m_private_image->numcomps);
10532
10533 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
10534 return 5 + l_tccp->numresolutions;
10535 } else {
10536 return 5;
10537 }
10538 }
10539
opj_j2k_compare_SPCod_SPCoc(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_first_comp_no,OPJ_UINT32 p_second_comp_no)10540 static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
10541 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
10542 {
10543 OPJ_UINT32 i;
10544 opj_cp_t *l_cp = NULL;
10545 opj_tcp_t *l_tcp = NULL;
10546 opj_tccp_t *l_tccp0 = NULL;
10547 opj_tccp_t *l_tccp1 = NULL;
10548
10549 /* preconditions */
10550 assert(p_j2k != 00);
10551
10552 l_cp = &(p_j2k->m_cp);
10553 l_tcp = &l_cp->tcps[p_tile_no];
10554 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
10555 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
10556
10557 if (l_tccp0->numresolutions != l_tccp1->numresolutions) {
10558 return OPJ_FALSE;
10559 }
10560 if (l_tccp0->cblkw != l_tccp1->cblkw) {
10561 return OPJ_FALSE;
10562 }
10563 if (l_tccp0->cblkh != l_tccp1->cblkh) {
10564 return OPJ_FALSE;
10565 }
10566 if (l_tccp0->cblksty != l_tccp1->cblksty) {
10567 return OPJ_FALSE;
10568 }
10569 if (l_tccp0->qmfbid != l_tccp1->qmfbid) {
10570 return OPJ_FALSE;
10571 }
10572 if ((l_tccp0->csty & J2K_CCP_CSTY_PRT) != (l_tccp1->csty & J2K_CCP_CSTY_PRT)) {
10573 return OPJ_FALSE;
10574 }
10575
10576 for (i = 0U; i < l_tccp0->numresolutions; ++i) {
10577 if (l_tccp0->prcw[i] != l_tccp1->prcw[i]) {
10578 return OPJ_FALSE;
10579 }
10580 if (l_tccp0->prch[i] != l_tccp1->prch[i]) {
10581 return OPJ_FALSE;
10582 }
10583 }
10584 return OPJ_TRUE;
10585 }
10586
opj_j2k_write_SPCod_SPCoc(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no,OPJ_BYTE * p_data,OPJ_UINT32 * p_header_size,struct opj_event_mgr * p_manager)10587 static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
10588 OPJ_UINT32 p_tile_no,
10589 OPJ_UINT32 p_comp_no,
10590 OPJ_BYTE * p_data,
10591 OPJ_UINT32 * p_header_size,
10592 struct opj_event_mgr * p_manager)
10593 {
10594 OPJ_UINT32 i;
10595 opj_cp_t *l_cp = 00;
10596 opj_tcp_t *l_tcp = 00;
10597 opj_tccp_t *l_tccp = 00;
10598
10599 /* preconditions */
10600 assert(p_j2k != 00);
10601 assert(p_header_size != 00);
10602 assert(p_manager != 00);
10603 assert(p_data != 00);
10604
10605 l_cp = &(p_j2k->m_cp);
10606 l_tcp = &l_cp->tcps[p_tile_no];
10607 l_tccp = &l_tcp->tccps[p_comp_no];
10608
10609 /* preconditions again */
10610 assert(p_tile_no < (l_cp->tw * l_cp->th));
10611 assert(p_comp_no < (p_j2k->m_private_image->numcomps));
10612
10613 if (*p_header_size < 5) {
10614 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
10615 return OPJ_FALSE;
10616 }
10617
10618 opj_write_bytes(p_data, l_tccp->numresolutions - 1, 1); /* SPcoc (D) */
10619 ++p_data;
10620
10621 opj_write_bytes(p_data, l_tccp->cblkw - 2, 1); /* SPcoc (E) */
10622 ++p_data;
10623
10624 opj_write_bytes(p_data, l_tccp->cblkh - 2, 1); /* SPcoc (F) */
10625 ++p_data;
10626
10627 opj_write_bytes(p_data, l_tccp->cblksty,
10628 1); /* SPcoc (G) */
10629 ++p_data;
10630
10631 opj_write_bytes(p_data, l_tccp->qmfbid,
10632 1); /* SPcoc (H) */
10633 ++p_data;
10634
10635 *p_header_size = *p_header_size - 5;
10636
10637 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
10638
10639 if (*p_header_size < l_tccp->numresolutions) {
10640 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
10641 return OPJ_FALSE;
10642 }
10643
10644 for (i = 0; i < l_tccp->numresolutions; ++i) {
10645 opj_write_bytes(p_data, l_tccp->prcw[i] + (l_tccp->prch[i] << 4),
10646 1); /* SPcoc (I_i) */
10647 ++p_data;
10648 }
10649
10650 *p_header_size = *p_header_size - l_tccp->numresolutions;
10651 }
10652
10653 return OPJ_TRUE;
10654 }
10655
opj_j2k_read_SPCod_SPCoc(opj_j2k_t * p_j2k,OPJ_UINT32 compno,OPJ_BYTE * p_header_data,OPJ_UINT32 * p_header_size,opj_event_mgr_t * p_manager)10656 static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
10657 OPJ_UINT32 compno,
10658 OPJ_BYTE * p_header_data,
10659 OPJ_UINT32 * p_header_size,
10660 opj_event_mgr_t * p_manager)
10661 {
10662 OPJ_UINT32 i, l_tmp;
10663 opj_cp_t *l_cp = NULL;
10664 opj_tcp_t *l_tcp = NULL;
10665 opj_tccp_t *l_tccp = NULL;
10666 OPJ_BYTE * l_current_ptr = NULL;
10667
10668 /* preconditions */
10669 assert(p_j2k != 00);
10670 assert(p_manager != 00);
10671 assert(p_header_data != 00);
10672
10673 l_cp = &(p_j2k->m_cp);
10674 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
10675 &l_cp->tcps[p_j2k->m_current_tile_number] :
10676 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10677
10678 /* precondition again */
10679 if (compno >= p_j2k->m_private_image->numcomps) {
10680 return OPJ_FALSE;
10681 }
10682
10683 assert(compno < p_j2k->m_private_image->numcomps);
10684
10685 l_tccp = &l_tcp->tccps[compno];
10686 l_current_ptr = p_header_data;
10687
10688 /* make sure room is sufficient */
10689 if (*p_header_size < 5) {
10690 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
10691 return OPJ_FALSE;
10692 }
10693
10694 /* SPcod (D) / SPcoc (A) */
10695 opj_read_bytes(l_current_ptr, &l_tccp->numresolutions, 1);
10696 ++l_tccp->numresolutions; /* tccp->numresolutions = read() + 1 */
10697 if (l_tccp->numresolutions > OPJ_J2K_MAXRLVLS) {
10698 opj_event_msg(p_manager, EVT_ERROR,
10699 "Invalid value for numresolutions : %d, max value is set in openjpeg.h at %d\n",
10700 l_tccp->numresolutions, OPJ_J2K_MAXRLVLS);
10701 return OPJ_FALSE;
10702 }
10703 ++l_current_ptr;
10704
10705 /* If user wants to remove more resolutions than the codestream contains, return error */
10706 if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) {
10707 opj_event_msg(p_manager, EVT_ERROR,
10708 "Error decoding component %d.\nThe number of resolutions "
10709 "to remove (%d) is greater or equal than the number "
10710 "of resolutions of this component (%d)\nModify the cp_reduce parameter.\n\n",
10711 compno, l_cp->m_specific_param.m_dec.m_reduce, l_tccp->numresolutions);
10712 p_j2k->m_specific_param.m_decoder.m_state |=
10713 0x8000;/* FIXME J2K_DEC_STATE_ERR;*/
10714 return OPJ_FALSE;
10715 }
10716
10717 /* SPcod (E) / SPcoc (B) */
10718 opj_read_bytes(l_current_ptr, &l_tccp->cblkw, 1);
10719 ++l_current_ptr;
10720 l_tccp->cblkw += 2;
10721
10722 /* SPcod (F) / SPcoc (C) */
10723 opj_read_bytes(l_current_ptr, &l_tccp->cblkh, 1);
10724 ++l_current_ptr;
10725 l_tccp->cblkh += 2;
10726
10727 if ((l_tccp->cblkw > 10) || (l_tccp->cblkh > 10) ||
10728 ((l_tccp->cblkw + l_tccp->cblkh) > 12)) {
10729 opj_event_msg(p_manager, EVT_ERROR,
10730 "Error reading SPCod SPCoc element, Invalid cblkw/cblkh combination\n");
10731 return OPJ_FALSE;
10732 }
10733
10734 /* SPcod (G) / SPcoc (D) */
10735 opj_read_bytes(l_current_ptr, &l_tccp->cblksty, 1);
10736 ++l_current_ptr;
10737 if ((l_tccp->cblksty & J2K_CCP_CBLKSTY_HTMIXED) != 0) {
10738 /* We do not support HT mixed mode yet. For conformance, it should be supported.*/
10739 opj_event_msg(p_manager, EVT_ERROR,
10740 "Error reading SPCod SPCoc element. Unsupported Mixed HT code-block style found\n");
10741 return OPJ_FALSE;
10742 }
10743
10744 /* SPcod (H) / SPcoc (E) */
10745 opj_read_bytes(l_current_ptr, &l_tccp->qmfbid, 1);
10746 ++l_current_ptr;
10747
10748 if (l_tccp->qmfbid > 1) {
10749 opj_event_msg(p_manager, EVT_ERROR,
10750 "Error reading SPCod SPCoc element, Invalid transformation found\n");
10751 return OPJ_FALSE;
10752 }
10753
10754 *p_header_size = *p_header_size - 5;
10755
10756 /* use custom precinct size ? */
10757 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
10758 if (*p_header_size < l_tccp->numresolutions) {
10759 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
10760 return OPJ_FALSE;
10761 }
10762
10763 /* SPcod (I_i) / SPcoc (F_i) */
10764 for (i = 0; i < l_tccp->numresolutions; ++i) {
10765 opj_read_bytes(l_current_ptr, &l_tmp, 1);
10766 ++l_current_ptr;
10767 /* Precinct exponent 0 is only allowed for lowest resolution level (Table A.21) */
10768 if ((i != 0) && (((l_tmp & 0xf) == 0) || ((l_tmp >> 4) == 0))) {
10769 opj_event_msg(p_manager, EVT_ERROR, "Invalid precinct size\n");
10770 return OPJ_FALSE;
10771 }
10772 l_tccp->prcw[i] = l_tmp & 0xf;
10773 l_tccp->prch[i] = l_tmp >> 4;
10774 }
10775
10776 *p_header_size = *p_header_size - l_tccp->numresolutions;
10777 } else {
10778 /* set default size for the precinct width and height */
10779 for (i = 0; i < l_tccp->numresolutions; ++i) {
10780 l_tccp->prcw[i] = 15;
10781 l_tccp->prch[i] = 15;
10782 }
10783 }
10784
10785 #ifdef WIP_REMOVE_MSD
10786 /* INDEX >> */
10787 if (p_j2k->cstr_info && compno == 0) {
10788 OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32);
10789
10790 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkh =
10791 l_tccp->cblkh;
10792 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkw =
10793 l_tccp->cblkw;
10794 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].numresolutions
10795 = l_tccp->numresolutions;
10796 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblksty =
10797 l_tccp->cblksty;
10798 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].qmfbid =
10799 l_tccp->qmfbid;
10800
10801 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx, l_tccp->prcw,
10802 l_data_size);
10803 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy, l_tccp->prch,
10804 l_data_size);
10805 }
10806 /* << INDEX */
10807 #endif
10808
10809 return OPJ_TRUE;
10810 }
10811
opj_j2k_copy_tile_component_parameters(opj_j2k_t * p_j2k)10812 static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k)
10813 {
10814 /* loop */
10815 OPJ_UINT32 i;
10816 opj_cp_t *l_cp = NULL;
10817 opj_tcp_t *l_tcp = NULL;
10818 opj_tccp_t *l_ref_tccp = NULL, *l_copied_tccp = NULL;
10819 OPJ_UINT32 l_prc_size;
10820
10821 /* preconditions */
10822 assert(p_j2k != 00);
10823
10824 l_cp = &(p_j2k->m_cp);
10825 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
10826 ?
10827 &l_cp->tcps[p_j2k->m_current_tile_number] :
10828 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10829
10830 l_ref_tccp = &l_tcp->tccps[0];
10831 l_copied_tccp = l_ref_tccp + 1;
10832 l_prc_size = l_ref_tccp->numresolutions * (OPJ_UINT32)sizeof(OPJ_UINT32);
10833
10834 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
10835 l_copied_tccp->numresolutions = l_ref_tccp->numresolutions;
10836 l_copied_tccp->cblkw = l_ref_tccp->cblkw;
10837 l_copied_tccp->cblkh = l_ref_tccp->cblkh;
10838 l_copied_tccp->cblksty = l_ref_tccp->cblksty;
10839 l_copied_tccp->qmfbid = l_ref_tccp->qmfbid;
10840 memcpy(l_copied_tccp->prcw, l_ref_tccp->prcw, l_prc_size);
10841 memcpy(l_copied_tccp->prch, l_ref_tccp->prch, l_prc_size);
10842 ++l_copied_tccp;
10843 }
10844 }
10845
opj_j2k_get_SQcd_SQcc_size(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no)10846 static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
10847 OPJ_UINT32 p_tile_no,
10848 OPJ_UINT32 p_comp_no)
10849 {
10850 OPJ_UINT32 l_num_bands;
10851
10852 opj_cp_t *l_cp = 00;
10853 opj_tcp_t *l_tcp = 00;
10854 opj_tccp_t *l_tccp = 00;
10855
10856 /* preconditions */
10857 assert(p_j2k != 00);
10858
10859 l_cp = &(p_j2k->m_cp);
10860 l_tcp = &l_cp->tcps[p_tile_no];
10861 l_tccp = &l_tcp->tccps[p_comp_no];
10862
10863 /* preconditions again */
10864 assert(p_tile_no < l_cp->tw * l_cp->th);
10865 assert(p_comp_no < p_j2k->m_private_image->numcomps);
10866
10867 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10868 (l_tccp->numresolutions * 3 - 2);
10869
10870 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
10871 return 1 + l_num_bands;
10872 } else {
10873 return 1 + 2 * l_num_bands;
10874 }
10875 }
10876
opj_j2k_compare_SQcd_SQcc(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_first_comp_no,OPJ_UINT32 p_second_comp_no)10877 static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
10878 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
10879 {
10880 opj_cp_t *l_cp = NULL;
10881 opj_tcp_t *l_tcp = NULL;
10882 opj_tccp_t *l_tccp0 = NULL;
10883 opj_tccp_t *l_tccp1 = NULL;
10884 OPJ_UINT32 l_band_no, l_num_bands;
10885
10886 /* preconditions */
10887 assert(p_j2k != 00);
10888
10889 l_cp = &(p_j2k->m_cp);
10890 l_tcp = &l_cp->tcps[p_tile_no];
10891 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
10892 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
10893
10894 if (l_tccp0->qntsty != l_tccp1->qntsty) {
10895 return OPJ_FALSE;
10896 }
10897 if (l_tccp0->numgbits != l_tccp1->numgbits) {
10898 return OPJ_FALSE;
10899 }
10900 if (l_tccp0->qntsty == J2K_CCP_QNTSTY_SIQNT) {
10901 l_num_bands = 1U;
10902 } else {
10903 l_num_bands = l_tccp0->numresolutions * 3U - 2U;
10904 if (l_num_bands != (l_tccp1->numresolutions * 3U - 2U)) {
10905 return OPJ_FALSE;
10906 }
10907 }
10908
10909 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10910 if (l_tccp0->stepsizes[l_band_no].expn != l_tccp1->stepsizes[l_band_no].expn) {
10911 return OPJ_FALSE;
10912 }
10913 }
10914 if (l_tccp0->qntsty != J2K_CCP_QNTSTY_NOQNT) {
10915 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10916 if (l_tccp0->stepsizes[l_band_no].mant != l_tccp1->stepsizes[l_band_no].mant) {
10917 return OPJ_FALSE;
10918 }
10919 }
10920 }
10921 return OPJ_TRUE;
10922 }
10923
10924
opj_j2k_write_SQcd_SQcc(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no,OPJ_BYTE * p_data,OPJ_UINT32 * p_header_size,struct opj_event_mgr * p_manager)10925 static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
10926 OPJ_UINT32 p_tile_no,
10927 OPJ_UINT32 p_comp_no,
10928 OPJ_BYTE * p_data,
10929 OPJ_UINT32 * p_header_size,
10930 struct opj_event_mgr * p_manager)
10931 {
10932 OPJ_UINT32 l_header_size;
10933 OPJ_UINT32 l_band_no, l_num_bands;
10934 OPJ_UINT32 l_expn, l_mant;
10935
10936 opj_cp_t *l_cp = 00;
10937 opj_tcp_t *l_tcp = 00;
10938 opj_tccp_t *l_tccp = 00;
10939
10940 /* preconditions */
10941 assert(p_j2k != 00);
10942 assert(p_header_size != 00);
10943 assert(p_manager != 00);
10944 assert(p_data != 00);
10945
10946 l_cp = &(p_j2k->m_cp);
10947 l_tcp = &l_cp->tcps[p_tile_no];
10948 l_tccp = &l_tcp->tccps[p_comp_no];
10949
10950 /* preconditions again */
10951 assert(p_tile_no < l_cp->tw * l_cp->th);
10952 assert(p_comp_no < p_j2k->m_private_image->numcomps);
10953
10954 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10955 (l_tccp->numresolutions * 3 - 2);
10956
10957 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
10958 l_header_size = 1 + l_num_bands;
10959
10960 if (*p_header_size < l_header_size) {
10961 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
10962 return OPJ_FALSE;
10963 }
10964
10965 opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
10966 1); /* Sqcx */
10967 ++p_data;
10968
10969 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10970 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
10971 opj_write_bytes(p_data, l_expn << 3, 1); /* SPqcx_i */
10972 ++p_data;
10973 }
10974 } else {
10975 l_header_size = 1 + 2 * l_num_bands;
10976
10977 if (*p_header_size < l_header_size) {
10978 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
10979 return OPJ_FALSE;
10980 }
10981
10982 opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
10983 1); /* Sqcx */
10984 ++p_data;
10985
10986 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10987 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
10988 l_mant = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].mant;
10989
10990 opj_write_bytes(p_data, (l_expn << 11) + l_mant, 2); /* SPqcx_i */
10991 p_data += 2;
10992 }
10993 }
10994
10995 *p_header_size = *p_header_size - l_header_size;
10996
10997 return OPJ_TRUE;
10998 }
10999
opj_j2k_read_SQcd_SQcc(opj_j2k_t * p_j2k,OPJ_UINT32 p_comp_no,OPJ_BYTE * p_header_data,OPJ_UINT32 * p_header_size,opj_event_mgr_t * p_manager)11000 static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
11001 OPJ_UINT32 p_comp_no,
11002 OPJ_BYTE* p_header_data,
11003 OPJ_UINT32 * p_header_size,
11004 opj_event_mgr_t * p_manager
11005 )
11006 {
11007 /* loop*/
11008 OPJ_UINT32 l_band_no;
11009 opj_cp_t *l_cp = 00;
11010 opj_tcp_t *l_tcp = 00;
11011 opj_tccp_t *l_tccp = 00;
11012 OPJ_BYTE * l_current_ptr = 00;
11013 OPJ_UINT32 l_tmp, l_num_band;
11014
11015 /* preconditions*/
11016 assert(p_j2k != 00);
11017 assert(p_manager != 00);
11018 assert(p_header_data != 00);
11019
11020 l_cp = &(p_j2k->m_cp);
11021 /* come from tile part header or main header ?*/
11022 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
11023 ?
11024 &l_cp->tcps[p_j2k->m_current_tile_number] :
11025 p_j2k->m_specific_param.m_decoder.m_default_tcp;
11026
11027 /* precondition again*/
11028 if (p_comp_no >= p_j2k->m_private_image->numcomps) {
11029 return OPJ_FALSE;
11030 }
11031
11032 l_tccp = &l_tcp->tccps[p_comp_no];
11033 l_current_ptr = p_header_data;
11034
11035 if (*p_header_size < 1) {
11036 opj_event_msg(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n");
11037 return OPJ_FALSE;
11038 }
11039 *p_header_size -= 1;
11040
11041 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* Sqcx */
11042 ++l_current_ptr;
11043
11044 l_tccp->qntsty = l_tmp & 0x1f;
11045 l_tccp->numgbits = l_tmp >> 5;
11046 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
11047 l_num_band = 1;
11048 } else {
11049 l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ?
11050 (*p_header_size) :
11051 (*p_header_size) / 2;
11052
11053 if (l_num_band > OPJ_J2K_MAXBANDS) {
11054 opj_event_msg(p_manager, EVT_WARNING,
11055 "While reading CCP_QNTSTY element inside QCD or QCC marker segment, "
11056 "number of subbands (%d) is greater to OPJ_J2K_MAXBANDS (%d). So we limit the number of elements stored to "
11057 "OPJ_J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, OPJ_J2K_MAXBANDS,
11058 OPJ_J2K_MAXBANDS);
11059 /*return OPJ_FALSE;*/
11060 }
11061 }
11062
11063 #ifdef USE_JPWL
11064 if (l_cp->correct) {
11065
11066 /* if JPWL is on, we check whether there are too many subbands */
11067 if (/*(l_num_band < 0) ||*/ (l_num_band >= OPJ_J2K_MAXBANDS)) {
11068 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
11069 "JPWL: bad number of subbands in Sqcx (%d)\n",
11070 l_num_band);
11071 if (!JPWL_ASSUME) {
11072 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
11073 return OPJ_FALSE;
11074 }
11075 /* we try to correct */
11076 l_num_band = 1;
11077 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n"
11078 "- setting number of bands to %d => HYPOTHESIS!!!\n",
11079 l_num_band);
11080 };
11081
11082 };
11083 #endif /* USE_JPWL */
11084
11085 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
11086 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
11087 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* SPqcx_i */
11088 ++l_current_ptr;
11089 if (l_band_no < OPJ_J2K_MAXBANDS) {
11090 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 3);
11091 l_tccp->stepsizes[l_band_no].mant = 0;
11092 }
11093 }
11094 *p_header_size = *p_header_size - l_num_band;
11095 } else {
11096 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
11097 opj_read_bytes(l_current_ptr, &l_tmp, 2); /* SPqcx_i */
11098 l_current_ptr += 2;
11099 if (l_band_no < OPJ_J2K_MAXBANDS) {
11100 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 11);
11101 l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff;
11102 }
11103 }
11104 *p_header_size = *p_header_size - 2 * l_num_band;
11105 }
11106
11107 /* Add Antonin : if scalar_derived -> compute other stepsizes */
11108 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
11109 for (l_band_no = 1; l_band_no < OPJ_J2K_MAXBANDS; l_band_no++) {
11110 l_tccp->stepsizes[l_band_no].expn =
11111 ((OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) > 0)
11112 ?
11113 (OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) : 0;
11114 l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
11115 }
11116 }
11117
11118 return OPJ_TRUE;
11119 }
11120
opj_j2k_copy_tile_quantization_parameters(opj_j2k_t * p_j2k)11121 static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k)
11122 {
11123 OPJ_UINT32 i;
11124 opj_cp_t *l_cp = NULL;
11125 opj_tcp_t *l_tcp = NULL;
11126 opj_tccp_t *l_ref_tccp = NULL;
11127 opj_tccp_t *l_copied_tccp = NULL;
11128 OPJ_UINT32 l_size;
11129
11130 /* preconditions */
11131 assert(p_j2k != 00);
11132
11133 l_cp = &(p_j2k->m_cp);
11134 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
11135 &l_cp->tcps[p_j2k->m_current_tile_number] :
11136 p_j2k->m_specific_param.m_decoder.m_default_tcp;
11137
11138 l_ref_tccp = &l_tcp->tccps[0];
11139 l_copied_tccp = l_ref_tccp + 1;
11140 l_size = OPJ_J2K_MAXBANDS * sizeof(opj_stepsize_t);
11141
11142 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
11143 l_copied_tccp->qntsty = l_ref_tccp->qntsty;
11144 l_copied_tccp->numgbits = l_ref_tccp->numgbits;
11145 memcpy(l_copied_tccp->stepsizes, l_ref_tccp->stepsizes, l_size);
11146 ++l_copied_tccp;
11147 }
11148 }
11149
opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,OPJ_INT32 numcomps,FILE * out_stream)11150 static void opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,
11151 OPJ_INT32 numcomps, FILE* out_stream)
11152 {
11153 if (l_default_tile) {
11154 OPJ_INT32 compno;
11155
11156 fprintf(out_stream, "\t default tile {\n");
11157 fprintf(out_stream, "\t\t csty=%#x\n", l_default_tile->csty);
11158 fprintf(out_stream, "\t\t prg=%#x\n", l_default_tile->prg);
11159 fprintf(out_stream, "\t\t numlayers=%d\n", l_default_tile->numlayers);
11160 fprintf(out_stream, "\t\t mct=%x\n", l_default_tile->mct);
11161
11162 for (compno = 0; compno < numcomps; compno++) {
11163 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
11164 OPJ_UINT32 resno;
11165 OPJ_INT32 bandno, numbands;
11166
11167 /* coding style*/
11168 fprintf(out_stream, "\t\t comp %d {\n", compno);
11169 fprintf(out_stream, "\t\t\t csty=%#x\n", l_tccp->csty);
11170 fprintf(out_stream, "\t\t\t numresolutions=%d\n", l_tccp->numresolutions);
11171 fprintf(out_stream, "\t\t\t cblkw=2^%d\n", l_tccp->cblkw);
11172 fprintf(out_stream, "\t\t\t cblkh=2^%d\n", l_tccp->cblkh);
11173 fprintf(out_stream, "\t\t\t cblksty=%#x\n", l_tccp->cblksty);
11174 fprintf(out_stream, "\t\t\t qmfbid=%d\n", l_tccp->qmfbid);
11175
11176 fprintf(out_stream, "\t\t\t preccintsize (w,h)=");
11177 for (resno = 0; resno < l_tccp->numresolutions; resno++) {
11178 fprintf(out_stream, "(%d,%d) ", l_tccp->prcw[resno], l_tccp->prch[resno]);
11179 }
11180 fprintf(out_stream, "\n");
11181
11182 /* quantization style*/
11183 fprintf(out_stream, "\t\t\t qntsty=%d\n", l_tccp->qntsty);
11184 fprintf(out_stream, "\t\t\t numgbits=%d\n", l_tccp->numgbits);
11185 fprintf(out_stream, "\t\t\t stepsizes (m,e)=");
11186 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
11187 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
11188 for (bandno = 0; bandno < numbands; bandno++) {
11189 fprintf(out_stream, "(%d,%d) ", l_tccp->stepsizes[bandno].mant,
11190 l_tccp->stepsizes[bandno].expn);
11191 }
11192 fprintf(out_stream, "\n");
11193
11194 /* RGN value*/
11195 fprintf(out_stream, "\t\t\t roishift=%d\n", l_tccp->roishift);
11196
11197 fprintf(out_stream, "\t\t }\n");
11198 } /*end of component of default tile*/
11199 fprintf(out_stream, "\t }\n"); /*end of default tile*/
11200 }
11201 }
11202
j2k_dump(opj_j2k_t * p_j2k,OPJ_INT32 flag,FILE * out_stream)11203 void j2k_dump(opj_j2k_t* p_j2k, OPJ_INT32 flag, FILE* out_stream)
11204 {
11205 /* Check if the flag is compatible with j2k file*/
11206 if ((flag & OPJ_JP2_INFO) || (flag & OPJ_JP2_IND)) {
11207 fprintf(out_stream, "Wrong flag\n");
11208 return;
11209 }
11210
11211 /* Dump the image_header */
11212 if (flag & OPJ_IMG_INFO) {
11213 if (p_j2k->m_private_image) {
11214 j2k_dump_image_header(p_j2k->m_private_image, 0, out_stream);
11215 }
11216 }
11217
11218 /* Dump the codestream info from main header */
11219 if (flag & OPJ_J2K_MH_INFO) {
11220 if (p_j2k->m_private_image) {
11221 opj_j2k_dump_MH_info(p_j2k, out_stream);
11222 }
11223 }
11224 /* Dump all tile/codestream info */
11225 if (flag & OPJ_J2K_TCH_INFO) {
11226 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
11227 OPJ_UINT32 i;
11228 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
11229 if (p_j2k->m_private_image) {
11230 for (i = 0; i < l_nb_tiles; ++i) {
11231 opj_j2k_dump_tile_info(l_tcp, (OPJ_INT32)p_j2k->m_private_image->numcomps,
11232 out_stream);
11233 ++l_tcp;
11234 }
11235 }
11236 }
11237
11238 /* Dump the codestream info of the current tile */
11239 if (flag & OPJ_J2K_TH_INFO) {
11240
11241 }
11242
11243 /* Dump the codestream index from main header */
11244 if (flag & OPJ_J2K_MH_IND) {
11245 opj_j2k_dump_MH_index(p_j2k, out_stream);
11246 }
11247
11248 /* Dump the codestream index of the current tile */
11249 if (flag & OPJ_J2K_TH_IND) {
11250
11251 }
11252
11253 }
11254
opj_j2k_dump_MH_index(opj_j2k_t * p_j2k,FILE * out_stream)11255 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream)
11256 {
11257 opj_codestream_index_t* cstr_index = p_j2k->cstr_index;
11258 OPJ_UINT32 it_marker, it_tile, it_tile_part;
11259
11260 fprintf(out_stream, "Codestream index from main header: {\n");
11261
11262 fprintf(out_stream, "\t Main header start position=%" PRIi64 "\n"
11263 "\t Main header end position=%" PRIi64 "\n",
11264 cstr_index->main_head_start, cstr_index->main_head_end);
11265
11266 fprintf(out_stream, "\t Marker list: {\n");
11267
11268 if (cstr_index->marker) {
11269 for (it_marker = 0; it_marker < cstr_index->marknum ; it_marker++) {
11270 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
11271 cstr_index->marker[it_marker].type,
11272 cstr_index->marker[it_marker].pos,
11273 cstr_index->marker[it_marker].len);
11274 }
11275 }
11276
11277 fprintf(out_stream, "\t }\n");
11278
11279 if (cstr_index->tile_index) {
11280
11281 /* Simple test to avoid to write empty information*/
11282 OPJ_UINT32 l_acc_nb_of_tile_part = 0;
11283 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
11284 l_acc_nb_of_tile_part += cstr_index->tile_index[it_tile].nb_tps;
11285 }
11286
11287 if (l_acc_nb_of_tile_part) {
11288 fprintf(out_stream, "\t Tile index: {\n");
11289
11290 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
11291 OPJ_UINT32 nb_of_tile_part = cstr_index->tile_index[it_tile].nb_tps;
11292
11293 fprintf(out_stream, "\t\t nb of tile-part in tile [%d]=%d\n", it_tile,
11294 nb_of_tile_part);
11295
11296 if (cstr_index->tile_index[it_tile].tp_index) {
11297 for (it_tile_part = 0; it_tile_part < nb_of_tile_part; it_tile_part++) {
11298 fprintf(out_stream, "\t\t\t tile-part[%d]: star_pos=%" PRIi64 ", end_header=%"
11299 PRIi64 ", end_pos=%" PRIi64 ".\n",
11300 it_tile_part,
11301 cstr_index->tile_index[it_tile].tp_index[it_tile_part].start_pos,
11302 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_header,
11303 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_pos);
11304 }
11305 }
11306
11307 if (cstr_index->tile_index[it_tile].marker) {
11308 for (it_marker = 0; it_marker < cstr_index->tile_index[it_tile].marknum ;
11309 it_marker++) {
11310 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
11311 cstr_index->tile_index[it_tile].marker[it_marker].type,
11312 cstr_index->tile_index[it_tile].marker[it_marker].pos,
11313 cstr_index->tile_index[it_tile].marker[it_marker].len);
11314 }
11315 }
11316 }
11317 fprintf(out_stream, "\t }\n");
11318 }
11319 }
11320
11321 fprintf(out_stream, "}\n");
11322
11323 }
11324
11325
opj_j2k_dump_MH_info(opj_j2k_t * p_j2k,FILE * out_stream)11326 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream)
11327 {
11328
11329 fprintf(out_stream, "Codestream info from main header: {\n");
11330
11331 fprintf(out_stream, "\t tx0=%d, ty0=%d\n", p_j2k->m_cp.tx0, p_j2k->m_cp.ty0);
11332 fprintf(out_stream, "\t tdx=%d, tdy=%d\n", p_j2k->m_cp.tdx, p_j2k->m_cp.tdy);
11333 fprintf(out_stream, "\t tw=%d, th=%d\n", p_j2k->m_cp.tw, p_j2k->m_cp.th);
11334 opj_j2k_dump_tile_info(p_j2k->m_specific_param.m_decoder.m_default_tcp,
11335 (OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream);
11336 fprintf(out_stream, "}\n");
11337 }
11338
j2k_dump_image_header(opj_image_t * img_header,OPJ_BOOL dev_dump_flag,FILE * out_stream)11339 void j2k_dump_image_header(opj_image_t* img_header, OPJ_BOOL dev_dump_flag,
11340 FILE* out_stream)
11341 {
11342 char tab[2];
11343
11344 if (dev_dump_flag) {
11345 fprintf(stdout, "[DEV] Dump an image_header struct {\n");
11346 tab[0] = '\0';
11347 } else {
11348 fprintf(out_stream, "Image info {\n");
11349 tab[0] = '\t';
11350 tab[1] = '\0';
11351 }
11352
11353 fprintf(out_stream, "%s x0=%d, y0=%d\n", tab, img_header->x0, img_header->y0);
11354 fprintf(out_stream, "%s x1=%d, y1=%d\n", tab, img_header->x1,
11355 img_header->y1);
11356 fprintf(out_stream, "%s numcomps=%d\n", tab, img_header->numcomps);
11357
11358 if (img_header->comps) {
11359 OPJ_UINT32 compno;
11360 for (compno = 0; compno < img_header->numcomps; compno++) {
11361 fprintf(out_stream, "%s\t component %d {\n", tab, compno);
11362 j2k_dump_image_comp_header(&(img_header->comps[compno]), dev_dump_flag,
11363 out_stream);
11364 fprintf(out_stream, "%s}\n", tab);
11365 }
11366 }
11367
11368 fprintf(out_stream, "}\n");
11369 }
11370
j2k_dump_image_comp_header(opj_image_comp_t * comp_header,OPJ_BOOL dev_dump_flag,FILE * out_stream)11371 void j2k_dump_image_comp_header(opj_image_comp_t* comp_header,
11372 OPJ_BOOL dev_dump_flag, FILE* out_stream)
11373 {
11374 char tab[3];
11375
11376 if (dev_dump_flag) {
11377 fprintf(stdout, "[DEV] Dump an image_comp_header struct {\n");
11378 tab[0] = '\0';
11379 } else {
11380 tab[0] = '\t';
11381 tab[1] = '\t';
11382 tab[2] = '\0';
11383 }
11384
11385 fprintf(out_stream, "%s dx=%d, dy=%d\n", tab, comp_header->dx, comp_header->dy);
11386 fprintf(out_stream, "%s prec=%d\n", tab, comp_header->prec);
11387 fprintf(out_stream, "%s sgnd=%d\n", tab, comp_header->sgnd);
11388
11389 if (dev_dump_flag) {
11390 fprintf(out_stream, "}\n");
11391 }
11392 }
11393
j2k_get_cstr_info(opj_j2k_t * p_j2k)11394 opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_t* p_j2k)
11395 {
11396 OPJ_UINT32 compno;
11397 OPJ_UINT32 numcomps = p_j2k->m_private_image->numcomps;
11398 opj_tcp_t *l_default_tile;
11399 opj_codestream_info_v2_t* cstr_info = (opj_codestream_info_v2_t*) opj_calloc(1,
11400 sizeof(opj_codestream_info_v2_t));
11401 if (!cstr_info) {
11402 return NULL;
11403 }
11404
11405 cstr_info->nbcomps = p_j2k->m_private_image->numcomps;
11406
11407 cstr_info->tx0 = p_j2k->m_cp.tx0;
11408 cstr_info->ty0 = p_j2k->m_cp.ty0;
11409 cstr_info->tdx = p_j2k->m_cp.tdx;
11410 cstr_info->tdy = p_j2k->m_cp.tdy;
11411 cstr_info->tw = p_j2k->m_cp.tw;
11412 cstr_info->th = p_j2k->m_cp.th;
11413
11414 cstr_info->tile_info = NULL; /* Not fill from the main header*/
11415
11416 l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
11417
11418 cstr_info->m_default_tile_info.csty = l_default_tile->csty;
11419 cstr_info->m_default_tile_info.prg = l_default_tile->prg;
11420 cstr_info->m_default_tile_info.numlayers = l_default_tile->numlayers;
11421 cstr_info->m_default_tile_info.mct = l_default_tile->mct;
11422
11423 cstr_info->m_default_tile_info.tccp_info = (opj_tccp_info_t*) opj_calloc(
11424 cstr_info->nbcomps, sizeof(opj_tccp_info_t));
11425 if (!cstr_info->m_default_tile_info.tccp_info) {
11426 opj_destroy_cstr_info(&cstr_info);
11427 return NULL;
11428 }
11429
11430 for (compno = 0; compno < numcomps; compno++) {
11431 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
11432 opj_tccp_info_t *l_tccp_info = &
11433 (cstr_info->m_default_tile_info.tccp_info[compno]);
11434 OPJ_INT32 bandno, numbands;
11435
11436 /* coding style*/
11437 l_tccp_info->csty = l_tccp->csty;
11438 l_tccp_info->numresolutions = l_tccp->numresolutions;
11439 l_tccp_info->cblkw = l_tccp->cblkw;
11440 l_tccp_info->cblkh = l_tccp->cblkh;
11441 l_tccp_info->cblksty = l_tccp->cblksty;
11442 l_tccp_info->qmfbid = l_tccp->qmfbid;
11443 if (l_tccp->numresolutions < OPJ_J2K_MAXRLVLS) {
11444 memcpy(l_tccp_info->prch, l_tccp->prch, l_tccp->numresolutions);
11445 memcpy(l_tccp_info->prcw, l_tccp->prcw, l_tccp->numresolutions);
11446 }
11447
11448 /* quantization style*/
11449 l_tccp_info->qntsty = l_tccp->qntsty;
11450 l_tccp_info->numgbits = l_tccp->numgbits;
11451
11452 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
11453 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
11454 if (numbands < OPJ_J2K_MAXBANDS) {
11455 for (bandno = 0; bandno < numbands; bandno++) {
11456 l_tccp_info->stepsizes_mant[bandno] = (OPJ_UINT32)
11457 l_tccp->stepsizes[bandno].mant;
11458 l_tccp_info->stepsizes_expn[bandno] = (OPJ_UINT32)
11459 l_tccp->stepsizes[bandno].expn;
11460 }
11461 }
11462
11463 /* RGN value*/
11464 l_tccp_info->roishift = l_tccp->roishift;
11465 }
11466
11467 return cstr_info;
11468 }
11469
j2k_get_cstr_index(opj_j2k_t * p_j2k)11470 opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_t* p_j2k)
11471 {
11472 opj_codestream_index_t* l_cstr_index = (opj_codestream_index_t*)
11473 opj_calloc(1, sizeof(opj_codestream_index_t));
11474 if (!l_cstr_index) {
11475 return NULL;
11476 }
11477
11478 l_cstr_index->main_head_start = p_j2k->cstr_index->main_head_start;
11479 l_cstr_index->main_head_end = p_j2k->cstr_index->main_head_end;
11480 l_cstr_index->codestream_size = p_j2k->cstr_index->codestream_size;
11481
11482 l_cstr_index->marknum = p_j2k->cstr_index->marknum;
11483 l_cstr_index->marker = (opj_marker_info_t*)opj_malloc(l_cstr_index->marknum *
11484 sizeof(opj_marker_info_t));
11485 if (!l_cstr_index->marker) {
11486 opj_free(l_cstr_index);
11487 return NULL;
11488 }
11489
11490 if (p_j2k->cstr_index->marker) {
11491 memcpy(l_cstr_index->marker, p_j2k->cstr_index->marker,
11492 l_cstr_index->marknum * sizeof(opj_marker_info_t));
11493 } else {
11494 opj_free(l_cstr_index->marker);
11495 l_cstr_index->marker = NULL;
11496 }
11497
11498 l_cstr_index->nb_of_tiles = p_j2k->cstr_index->nb_of_tiles;
11499 l_cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
11500 l_cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
11501 if (!l_cstr_index->tile_index) {
11502 opj_free(l_cstr_index->marker);
11503 opj_free(l_cstr_index);
11504 return NULL;
11505 }
11506
11507 if (!p_j2k->cstr_index->tile_index) {
11508 opj_free(l_cstr_index->tile_index);
11509 l_cstr_index->tile_index = NULL;
11510 } else {
11511 OPJ_UINT32 it_tile = 0;
11512 for (it_tile = 0; it_tile < l_cstr_index->nb_of_tiles; it_tile++) {
11513
11514 /* Tile Marker*/
11515 l_cstr_index->tile_index[it_tile].marknum =
11516 p_j2k->cstr_index->tile_index[it_tile].marknum;
11517
11518 l_cstr_index->tile_index[it_tile].marker =
11519 (opj_marker_info_t*)opj_malloc(l_cstr_index->tile_index[it_tile].marknum *
11520 sizeof(opj_marker_info_t));
11521
11522 if (!l_cstr_index->tile_index[it_tile].marker) {
11523 OPJ_UINT32 it_tile_free;
11524
11525 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
11526 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
11527 }
11528
11529 opj_free(l_cstr_index->tile_index);
11530 opj_free(l_cstr_index->marker);
11531 opj_free(l_cstr_index);
11532 return NULL;
11533 }
11534
11535 if (p_j2k->cstr_index->tile_index[it_tile].marker)
11536 memcpy(l_cstr_index->tile_index[it_tile].marker,
11537 p_j2k->cstr_index->tile_index[it_tile].marker,
11538 l_cstr_index->tile_index[it_tile].marknum * sizeof(opj_marker_info_t));
11539 else {
11540 opj_free(l_cstr_index->tile_index[it_tile].marker);
11541 l_cstr_index->tile_index[it_tile].marker = NULL;
11542 }
11543
11544 /* Tile part index*/
11545 l_cstr_index->tile_index[it_tile].nb_tps =
11546 p_j2k->cstr_index->tile_index[it_tile].nb_tps;
11547
11548 l_cstr_index->tile_index[it_tile].tp_index =
11549 (opj_tp_index_t*)opj_malloc(l_cstr_index->tile_index[it_tile].nb_tps * sizeof(
11550 opj_tp_index_t));
11551
11552 if (!l_cstr_index->tile_index[it_tile].tp_index) {
11553 OPJ_UINT32 it_tile_free;
11554
11555 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
11556 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
11557 opj_free(l_cstr_index->tile_index[it_tile_free].tp_index);
11558 }
11559
11560 opj_free(l_cstr_index->tile_index);
11561 opj_free(l_cstr_index->marker);
11562 opj_free(l_cstr_index);
11563 return NULL;
11564 }
11565
11566 if (p_j2k->cstr_index->tile_index[it_tile].tp_index) {
11567 memcpy(l_cstr_index->tile_index[it_tile].tp_index,
11568 p_j2k->cstr_index->tile_index[it_tile].tp_index,
11569 l_cstr_index->tile_index[it_tile].nb_tps * sizeof(opj_tp_index_t));
11570 } else {
11571 opj_free(l_cstr_index->tile_index[it_tile].tp_index);
11572 l_cstr_index->tile_index[it_tile].tp_index = NULL;
11573 }
11574
11575 /* Packet index (NOT USED)*/
11576 l_cstr_index->tile_index[it_tile].nb_packet = 0;
11577 l_cstr_index->tile_index[it_tile].packet_index = NULL;
11578
11579 }
11580 }
11581
11582 return l_cstr_index;
11583 }
11584
opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t * p_j2k)11585 static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k)
11586 {
11587 OPJ_UINT32 it_tile = 0;
11588
11589 p_j2k->cstr_index->nb_of_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
11590 p_j2k->cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
11591 p_j2k->cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
11592 if (!p_j2k->cstr_index->tile_index) {
11593 return OPJ_FALSE;
11594 }
11595
11596 for (it_tile = 0; it_tile < p_j2k->cstr_index->nb_of_tiles; it_tile++) {
11597 p_j2k->cstr_index->tile_index[it_tile].maxmarknum = 100;
11598 p_j2k->cstr_index->tile_index[it_tile].marknum = 0;
11599 p_j2k->cstr_index->tile_index[it_tile].marker = (opj_marker_info_t*)
11600 opj_calloc(p_j2k->cstr_index->tile_index[it_tile].maxmarknum,
11601 sizeof(opj_marker_info_t));
11602 if (!p_j2k->cstr_index->tile_index[it_tile].marker) {
11603 return OPJ_FALSE;
11604 }
11605 }
11606
11607 return OPJ_TRUE;
11608 }
11609
opj_j2k_are_all_used_components_decoded(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)11610 static OPJ_BOOL opj_j2k_are_all_used_components_decoded(opj_j2k_t *p_j2k,
11611 opj_event_mgr_t * p_manager)
11612 {
11613 OPJ_UINT32 compno;
11614 OPJ_BOOL decoded_all_used_components = OPJ_TRUE;
11615
11616 if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode) {
11617 for (compno = 0;
11618 compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
11619 OPJ_UINT32 dec_compno =
11620 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
11621 if (p_j2k->m_output_image->comps[dec_compno].data == NULL) {
11622 opj_event_msg(p_manager, EVT_WARNING, "Failed to decode component %d\n",
11623 dec_compno);
11624 decoded_all_used_components = OPJ_FALSE;
11625 }
11626 }
11627 } else {
11628 for (compno = 0; compno < p_j2k->m_output_image->numcomps; compno++) {
11629 if (p_j2k->m_output_image->comps[compno].data == NULL) {
11630 opj_event_msg(p_manager, EVT_WARNING, "Failed to decode component %d\n",
11631 compno);
11632 decoded_all_used_components = OPJ_FALSE;
11633 }
11634 }
11635 }
11636
11637 if (decoded_all_used_components == OPJ_FALSE) {
11638 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode all used components\n");
11639 return OPJ_FALSE;
11640 }
11641
11642 return OPJ_TRUE;
11643 }
11644
11645
opj_j2k_decode_tiles(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)11646 static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
11647 opj_stream_private_t *p_stream,
11648 opj_event_mgr_t * p_manager)
11649 {
11650 OPJ_BOOL l_go_on = OPJ_TRUE;
11651 OPJ_UINT32 l_current_tile_no;
11652 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
11653 OPJ_UINT32 l_nb_comps;
11654 OPJ_UINT32 nr_tiles = 0;
11655
11656 /* Particular case for whole single tile decoding */
11657 /* We can avoid allocating intermediate tile buffers */
11658 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
11659 p_j2k->m_cp.tx0 == 0 && p_j2k->m_cp.ty0 == 0 &&
11660 p_j2k->m_output_image->x0 == 0 &&
11661 p_j2k->m_output_image->y0 == 0 &&
11662 p_j2k->m_output_image->x1 == p_j2k->m_cp.tdx &&
11663 p_j2k->m_output_image->y1 == p_j2k->m_cp.tdy) {
11664 OPJ_UINT32 i;
11665 if (! opj_j2k_read_tile_header(p_j2k,
11666 &l_current_tile_no,
11667 NULL,
11668 &l_tile_x0, &l_tile_y0,
11669 &l_tile_x1, &l_tile_y1,
11670 &l_nb_comps,
11671 &l_go_on,
11672 p_stream,
11673 p_manager)) {
11674 return OPJ_FALSE;
11675 }
11676
11677 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
11678 p_stream, p_manager)) {
11679 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile 1/1\n");
11680 return OPJ_FALSE;
11681 }
11682
11683 /* Transfer TCD data to output image data */
11684 for (i = 0; i < p_j2k->m_output_image->numcomps; i++) {
11685 opj_image_data_free(p_j2k->m_output_image->comps[i].data);
11686 p_j2k->m_output_image->comps[i].data =
11687 p_j2k->m_tcd->tcd_image->tiles->comps[i].data;
11688 p_j2k->m_output_image->comps[i].resno_decoded =
11689 p_j2k->m_tcd->image->comps[i].resno_decoded;
11690 p_j2k->m_tcd->tcd_image->tiles->comps[i].data = NULL;
11691 }
11692
11693 return OPJ_TRUE;
11694 }
11695
11696 for (;;) {
11697 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
11698 p_j2k->m_cp.tcps[0].m_data != NULL) {
11699 l_current_tile_no = 0;
11700 p_j2k->m_current_tile_number = 0;
11701 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
11702 } else {
11703 if (! opj_j2k_read_tile_header(p_j2k,
11704 &l_current_tile_no,
11705 NULL,
11706 &l_tile_x0, &l_tile_y0,
11707 &l_tile_x1, &l_tile_y1,
11708 &l_nb_comps,
11709 &l_go_on,
11710 p_stream,
11711 p_manager)) {
11712 return OPJ_FALSE;
11713 }
11714
11715 if (! l_go_on) {
11716 break;
11717 }
11718 }
11719
11720 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
11721 p_stream, p_manager)) {
11722 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile %d/%d\n",
11723 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
11724 return OPJ_FALSE;
11725 }
11726
11727 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
11728 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
11729
11730 if (! opj_j2k_update_image_data(p_j2k->m_tcd,
11731 p_j2k->m_output_image)) {
11732 return OPJ_FALSE;
11733 }
11734
11735 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
11736 !(p_j2k->m_output_image->x0 == p_j2k->m_private_image->x0 &&
11737 p_j2k->m_output_image->y0 == p_j2k->m_private_image->y0 &&
11738 p_j2k->m_output_image->x1 == p_j2k->m_private_image->x1 &&
11739 p_j2k->m_output_image->y1 == p_j2k->m_private_image->y1)) {
11740 /* Keep current tcp data */
11741 } else {
11742 opj_j2k_tcp_data_destroy(&p_j2k->m_cp.tcps[l_current_tile_no]);
11743 }
11744
11745 opj_event_msg(p_manager, EVT_INFO,
11746 "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
11747
11748 if (opj_stream_get_number_byte_left(p_stream) == 0
11749 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
11750 break;
11751 }
11752 if (++nr_tiles == p_j2k->m_cp.th * p_j2k->m_cp.tw) {
11753 break;
11754 }
11755 }
11756
11757 if (! opj_j2k_are_all_used_components_decoded(p_j2k, p_manager)) {
11758 return OPJ_FALSE;
11759 }
11760
11761 return OPJ_TRUE;
11762 }
11763
11764 /**
11765 * Sets up the procedures to do on decoding data. Developers wanting to extend the library can add their own reading procedures.
11766 */
opj_j2k_setup_decoding(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)11767 static OPJ_BOOL opj_j2k_setup_decoding(opj_j2k_t *p_j2k,
11768 opj_event_mgr_t * p_manager)
11769 {
11770 /* preconditions*/
11771 assert(p_j2k != 00);
11772 assert(p_manager != 00);
11773
11774 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11775 (opj_procedure)opj_j2k_decode_tiles, p_manager)) {
11776 return OPJ_FALSE;
11777 }
11778 /* DEVELOPER CORNER, add your custom procedures */
11779
11780 return OPJ_TRUE;
11781 }
11782
11783 /*
11784 * Read and decode one tile.
11785 */
opj_j2k_decode_one_tile(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)11786 static OPJ_BOOL opj_j2k_decode_one_tile(opj_j2k_t *p_j2k,
11787 opj_stream_private_t *p_stream,
11788 opj_event_mgr_t * p_manager)
11789 {
11790 OPJ_BOOL l_go_on = OPJ_TRUE;
11791 OPJ_UINT32 l_current_tile_no;
11792 OPJ_UINT32 l_tile_no_to_dec;
11793 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
11794 OPJ_UINT32 l_nb_comps;
11795 OPJ_UINT32 l_nb_tiles;
11796 OPJ_UINT32 i;
11797
11798 /*Allocate and initialize some elements of codestrem index if not already done*/
11799 if (!p_j2k->cstr_index->tile_index) {
11800 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
11801 return OPJ_FALSE;
11802 }
11803 }
11804 /* Move into the codestream to the first SOT used to decode the desired tile */
11805 l_tile_no_to_dec = (OPJ_UINT32)
11806 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec;
11807 if (p_j2k->cstr_index->tile_index)
11808 if (p_j2k->cstr_index->tile_index->tp_index) {
11809 if (! p_j2k->cstr_index->tile_index[l_tile_no_to_dec].nb_tps) {
11810 /* the index for this tile has not been built,
11811 * so move to the last SOT read */
11812 if (!(opj_stream_read_seek(p_stream,
11813 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos + 2, p_manager))) {
11814 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
11815 return OPJ_FALSE;
11816 }
11817 } else {
11818 if (!(opj_stream_read_seek(p_stream,
11819 p_j2k->cstr_index->tile_index[l_tile_no_to_dec].tp_index[0].start_pos + 2,
11820 p_manager))) {
11821 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
11822 return OPJ_FALSE;
11823 }
11824 }
11825 /* Special case if we have previously read the EOC marker (if the previous tile getted is the last ) */
11826 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
11827 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
11828 }
11829 }
11830
11831 /* Reset current tile part number for all tiles, and not only the one */
11832 /* of interest. */
11833 /* Not completely sure this is always correct but required for */
11834 /* ./build/bin/j2k_random_tile_access ./build/tests/tte1.j2k */
11835 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
11836 for (i = 0; i < l_nb_tiles; ++i) {
11837 p_j2k->m_cp.tcps[i].m_current_tile_part_number = -1;
11838 }
11839
11840 for (;;) {
11841 if (! opj_j2k_read_tile_header(p_j2k,
11842 &l_current_tile_no,
11843 NULL,
11844 &l_tile_x0, &l_tile_y0,
11845 &l_tile_x1, &l_tile_y1,
11846 &l_nb_comps,
11847 &l_go_on,
11848 p_stream,
11849 p_manager)) {
11850 return OPJ_FALSE;
11851 }
11852
11853 if (! l_go_on) {
11854 break;
11855 }
11856
11857 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
11858 p_stream, p_manager)) {
11859 return OPJ_FALSE;
11860 }
11861 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
11862 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
11863
11864 if (! opj_j2k_update_image_data(p_j2k->m_tcd,
11865 p_j2k->m_output_image)) {
11866 return OPJ_FALSE;
11867 }
11868 opj_j2k_tcp_data_destroy(&p_j2k->m_cp.tcps[l_current_tile_no]);
11869
11870 opj_event_msg(p_manager, EVT_INFO,
11871 "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
11872
11873 if (l_current_tile_no == l_tile_no_to_dec) {
11874 /* move into the codestream to the first SOT (FIXME or not move?)*/
11875 if (!(opj_stream_read_seek(p_stream, p_j2k->cstr_index->main_head_end + 2,
11876 p_manager))) {
11877 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
11878 return OPJ_FALSE;
11879 }
11880 break;
11881 } else {
11882 opj_event_msg(p_manager, EVT_WARNING,
11883 "Tile read, decoded and updated is not the desired one (%d vs %d).\n",
11884 l_current_tile_no + 1, l_tile_no_to_dec + 1);
11885 }
11886
11887 }
11888
11889 if (! opj_j2k_are_all_used_components_decoded(p_j2k, p_manager)) {
11890 return OPJ_FALSE;
11891 }
11892
11893 return OPJ_TRUE;
11894 }
11895
11896 /**
11897 * Sets up the procedures to do on decoding one tile. Developers wanting to extend the library can add their own reading procedures.
11898 */
opj_j2k_setup_decoding_tile(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)11899 static OPJ_BOOL opj_j2k_setup_decoding_tile(opj_j2k_t *p_j2k,
11900 opj_event_mgr_t * p_manager)
11901 {
11902 /* preconditions*/
11903 assert(p_j2k != 00);
11904 assert(p_manager != 00);
11905
11906 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11907 (opj_procedure)opj_j2k_decode_one_tile, p_manager)) {
11908 return OPJ_FALSE;
11909 }
11910 /* DEVELOPER CORNER, add your custom procedures */
11911
11912 return OPJ_TRUE;
11913 }
11914
opj_j2k_move_data_from_codec_to_output_image(opj_j2k_t * p_j2k,opj_image_t * p_image)11915 static OPJ_BOOL opj_j2k_move_data_from_codec_to_output_image(opj_j2k_t * p_j2k,
11916 opj_image_t * p_image)
11917 {
11918 OPJ_UINT32 compno;
11919
11920 /* Move data and copy one information from codec to output image*/
11921 if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode > 0) {
11922 opj_image_comp_t* newcomps =
11923 (opj_image_comp_t*) opj_malloc(
11924 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode *
11925 sizeof(opj_image_comp_t));
11926 if (newcomps == NULL) {
11927 opj_image_destroy(p_j2k->m_private_image);
11928 p_j2k->m_private_image = NULL;
11929 return OPJ_FALSE;
11930 }
11931 for (compno = 0; compno < p_image->numcomps; compno++) {
11932 opj_image_data_free(p_image->comps[compno].data);
11933 p_image->comps[compno].data = NULL;
11934 }
11935 for (compno = 0;
11936 compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
11937 OPJ_UINT32 src_compno =
11938 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
11939 memcpy(&(newcomps[compno]),
11940 &(p_j2k->m_output_image->comps[src_compno]),
11941 sizeof(opj_image_comp_t));
11942 newcomps[compno].resno_decoded =
11943 p_j2k->m_output_image->comps[src_compno].resno_decoded;
11944 newcomps[compno].data = p_j2k->m_output_image->comps[src_compno].data;
11945 p_j2k->m_output_image->comps[src_compno].data = NULL;
11946 }
11947 for (compno = 0; compno < p_image->numcomps; compno++) {
11948 assert(p_j2k->m_output_image->comps[compno].data == NULL);
11949 opj_image_data_free(p_j2k->m_output_image->comps[compno].data);
11950 p_j2k->m_output_image->comps[compno].data = NULL;
11951 }
11952 p_image->numcomps = p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode;
11953 opj_free(p_image->comps);
11954 p_image->comps = newcomps;
11955 } else {
11956 for (compno = 0; compno < p_image->numcomps; compno++) {
11957 p_image->comps[compno].resno_decoded =
11958 p_j2k->m_output_image->comps[compno].resno_decoded;
11959 opj_image_data_free(p_image->comps[compno].data);
11960 p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
11961 #if 0
11962 char fn[256];
11963 snprintf(fn, sizeof fn, "/tmp/%d.raw", compno);
11964 FILE *debug = fopen(fn, "wb");
11965 fwrite(p_image->comps[compno].data, sizeof(OPJ_INT32),
11966 p_image->comps[compno].w * p_image->comps[compno].h, debug);
11967 fclose(debug);
11968 #endif
11969 p_j2k->m_output_image->comps[compno].data = NULL;
11970 }
11971 }
11972 return OPJ_TRUE;
11973 }
11974
opj_j2k_decode(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_image_t * p_image,opj_event_mgr_t * p_manager)11975 OPJ_BOOL opj_j2k_decode(opj_j2k_t * p_j2k,
11976 opj_stream_private_t * p_stream,
11977 opj_image_t * p_image,
11978 opj_event_mgr_t * p_manager)
11979 {
11980 if (!p_image) {
11981 return OPJ_FALSE;
11982 }
11983
11984 /* Heuristics to detect sequence opj_read_header(), opj_set_decoded_resolution_factor() */
11985 /* and finally opj_decode_image() without manual setting of comps[].factor */
11986 /* We could potentially always execute it, if we don't allow people to do */
11987 /* opj_read_header(), modify x0,y0,x1,y1 of returned image an call opj_decode_image() */
11988 if (p_j2k->m_cp.m_specific_param.m_dec.m_reduce > 0 &&
11989 p_j2k->m_private_image != NULL &&
11990 p_j2k->m_private_image->numcomps > 0 &&
11991 p_j2k->m_private_image->comps[0].factor ==
11992 p_j2k->m_cp.m_specific_param.m_dec.m_reduce &&
11993 p_image->numcomps > 0 &&
11994 p_image->comps[0].factor == 0 &&
11995 /* Don't mess with image dimension if the user has allocated it */
11996 p_image->comps[0].data == NULL) {
11997 OPJ_UINT32 it_comp;
11998
11999 /* Update the comps[].factor member of the output image with the one */
12000 /* of m_reduce */
12001 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
12002 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
12003 }
12004 if (!opj_j2k_update_image_dimensions(p_image, p_manager)) {
12005 return OPJ_FALSE;
12006 }
12007 }
12008
12009 if (p_j2k->m_output_image == NULL) {
12010 p_j2k->m_output_image = opj_image_create0();
12011 if (!(p_j2k->m_output_image)) {
12012 return OPJ_FALSE;
12013 }
12014 }
12015 opj_copy_image_header(p_image, p_j2k->m_output_image);
12016
12017 /* customization of the decoding */
12018 if (!opj_j2k_setup_decoding(p_j2k, p_manager)) {
12019 return OPJ_FALSE;
12020 }
12021
12022 /* Decode the codestream */
12023 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
12024 opj_image_destroy(p_j2k->m_private_image);
12025 p_j2k->m_private_image = NULL;
12026 return OPJ_FALSE;
12027 }
12028
12029 /* Move data and copy one information from codec to output image*/
12030 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
12031 }
12032
opj_j2k_get_tile(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_image_t * p_image,opj_event_mgr_t * p_manager,OPJ_UINT32 tile_index)12033 OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
12034 opj_stream_private_t *p_stream,
12035 opj_image_t* p_image,
12036 opj_event_mgr_t * p_manager,
12037 OPJ_UINT32 tile_index)
12038 {
12039 OPJ_UINT32 compno;
12040 OPJ_UINT32 l_tile_x, l_tile_y;
12041 opj_image_comp_t* l_img_comp;
12042
12043 if (!p_image) {
12044 opj_event_msg(p_manager, EVT_ERROR, "We need an image previously created.\n");
12045 return OPJ_FALSE;
12046 }
12047
12048 if (p_image->numcomps < p_j2k->m_private_image->numcomps) {
12049 opj_event_msg(p_manager, EVT_ERROR,
12050 "Image has less components than codestream.\n");
12051 return OPJ_FALSE;
12052 }
12053
12054 if (/*(tile_index < 0) &&*/ (tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th)) {
12055 opj_event_msg(p_manager, EVT_ERROR,
12056 "Tile index provided by the user is incorrect %d (max = %d) \n", tile_index,
12057 (p_j2k->m_cp.tw * p_j2k->m_cp.th) - 1);
12058 return OPJ_FALSE;
12059 }
12060
12061 /* Compute the dimension of the desired tile*/
12062 l_tile_x = tile_index % p_j2k->m_cp.tw;
12063 l_tile_y = tile_index / p_j2k->m_cp.tw;
12064
12065 p_image->x0 = l_tile_x * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
12066 if (p_image->x0 < p_j2k->m_private_image->x0) {
12067 p_image->x0 = p_j2k->m_private_image->x0;
12068 }
12069 p_image->x1 = (l_tile_x + 1) * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
12070 if (p_image->x1 > p_j2k->m_private_image->x1) {
12071 p_image->x1 = p_j2k->m_private_image->x1;
12072 }
12073
12074 p_image->y0 = l_tile_y * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
12075 if (p_image->y0 < p_j2k->m_private_image->y0) {
12076 p_image->y0 = p_j2k->m_private_image->y0;
12077 }
12078 p_image->y1 = (l_tile_y + 1) * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
12079 if (p_image->y1 > p_j2k->m_private_image->y1) {
12080 p_image->y1 = p_j2k->m_private_image->y1;
12081 }
12082
12083 l_img_comp = p_image->comps;
12084 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
12085 OPJ_INT32 l_comp_x1, l_comp_y1;
12086
12087 l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
12088
12089 l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
12090 l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
12091 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
12092 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
12093
12094 l_img_comp->w = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_x1,
12095 (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0,
12096 (OPJ_INT32)l_img_comp->factor));
12097 l_img_comp->h = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_y1,
12098 (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0,
12099 (OPJ_INT32)l_img_comp->factor));
12100
12101 l_img_comp++;
12102 }
12103
12104 if (p_image->numcomps > p_j2k->m_private_image->numcomps) {
12105 /* Can happen when calling repeatdly opj_get_decoded_tile() on an
12106 * image with a color palette, where color palette expansion is done
12107 * later in jp2.c */
12108 for (compno = p_j2k->m_private_image->numcomps; compno < p_image->numcomps;
12109 ++compno) {
12110 opj_image_data_free(p_image->comps[compno].data);
12111 p_image->comps[compno].data = NULL;
12112 }
12113 p_image->numcomps = p_j2k->m_private_image->numcomps;
12114 }
12115
12116 /* Destroy the previous output image*/
12117 if (p_j2k->m_output_image) {
12118 opj_image_destroy(p_j2k->m_output_image);
12119 }
12120
12121 /* Create the output image from the information previously computed*/
12122 p_j2k->m_output_image = opj_image_create0();
12123 if (!(p_j2k->m_output_image)) {
12124 return OPJ_FALSE;
12125 }
12126 opj_copy_image_header(p_image, p_j2k->m_output_image);
12127
12128 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = (OPJ_INT32)tile_index;
12129
12130 /* customization of the decoding */
12131 if (!opj_j2k_setup_decoding_tile(p_j2k, p_manager)) {
12132 return OPJ_FALSE;
12133 }
12134
12135 /* Decode the codestream */
12136 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
12137 opj_image_destroy(p_j2k->m_private_image);
12138 p_j2k->m_private_image = NULL;
12139 return OPJ_FALSE;
12140 }
12141
12142 /* Move data and copy one information from codec to output image*/
12143 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
12144 }
12145
opj_j2k_set_decoded_resolution_factor(opj_j2k_t * p_j2k,OPJ_UINT32 res_factor,opj_event_mgr_t * p_manager)12146 OPJ_BOOL opj_j2k_set_decoded_resolution_factor(opj_j2k_t *p_j2k,
12147 OPJ_UINT32 res_factor,
12148 opj_event_mgr_t * p_manager)
12149 {
12150 OPJ_UINT32 it_comp;
12151
12152 p_j2k->m_cp.m_specific_param.m_dec.m_reduce = res_factor;
12153
12154 if (p_j2k->m_private_image) {
12155 if (p_j2k->m_private_image->comps) {
12156 if (p_j2k->m_specific_param.m_decoder.m_default_tcp) {
12157 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps) {
12158 for (it_comp = 0 ; it_comp < p_j2k->m_private_image->numcomps; it_comp++) {
12159 OPJ_UINT32 max_res =
12160 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[it_comp].numresolutions;
12161 if (res_factor >= max_res) {
12162 opj_event_msg(p_manager, EVT_ERROR,
12163 "Resolution factor is greater than the maximum resolution in the component.\n");
12164 return OPJ_FALSE;
12165 }
12166 p_j2k->m_private_image->comps[it_comp].factor = res_factor;
12167 }
12168 return OPJ_TRUE;
12169 }
12170 }
12171 }
12172 }
12173
12174 return OPJ_FALSE;
12175 }
12176
12177 /* ----------------------------------------------------------------------- */
12178
opj_j2k_encoder_set_extra_options(opj_j2k_t * p_j2k,const char * const * p_options,opj_event_mgr_t * p_manager)12179 OPJ_BOOL opj_j2k_encoder_set_extra_options(
12180 opj_j2k_t *p_j2k,
12181 const char* const* p_options,
12182 opj_event_mgr_t * p_manager)
12183 {
12184 const char* const* p_option_iter;
12185
12186 if (p_options == NULL) {
12187 return OPJ_TRUE;
12188 }
12189
12190 for (p_option_iter = p_options; *p_option_iter != NULL; ++p_option_iter) {
12191 if (strncmp(*p_option_iter, "PLT=", 4) == 0) {
12192 if (strcmp(*p_option_iter, "PLT=YES") == 0) {
12193 p_j2k->m_specific_param.m_encoder.m_PLT = OPJ_TRUE;
12194 } else if (strcmp(*p_option_iter, "PLT=NO") == 0) {
12195 p_j2k->m_specific_param.m_encoder.m_PLT = OPJ_FALSE;
12196 } else {
12197 opj_event_msg(p_manager, EVT_ERROR,
12198 "Invalid value for option: %s.\n", *p_option_iter);
12199 return OPJ_FALSE;
12200 }
12201 } else if (strncmp(*p_option_iter, "TLM=", 4) == 0) {
12202 if (strcmp(*p_option_iter, "TLM=YES") == 0) {
12203 p_j2k->m_specific_param.m_encoder.m_TLM = OPJ_TRUE;
12204 } else if (strcmp(*p_option_iter, "TLM=NO") == 0) {
12205 p_j2k->m_specific_param.m_encoder.m_TLM = OPJ_FALSE;
12206 } else {
12207 opj_event_msg(p_manager, EVT_ERROR,
12208 "Invalid value for option: %s.\n", *p_option_iter);
12209 return OPJ_FALSE;
12210 }
12211 } else if (strncmp(*p_option_iter, "GUARD_BITS=", strlen("GUARD_BITS=")) == 0) {
12212 OPJ_UINT32 tileno;
12213 opj_cp_t *cp = cp = &(p_j2k->m_cp);
12214
12215 int numgbits = atoi(*p_option_iter + strlen("GUARD_BITS="));
12216 if (numgbits < 0 || numgbits > 7) {
12217 opj_event_msg(p_manager, EVT_ERROR,
12218 "Invalid value for option: %s. Should be in [0,7]\n", *p_option_iter);
12219 return OPJ_FALSE;
12220 }
12221
12222 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
12223 OPJ_UINT32 i;
12224 opj_tcp_t *tcp = &cp->tcps[tileno];
12225 for (i = 0; i < p_j2k->m_specific_param.m_encoder.m_nb_comps; i++) {
12226 opj_tccp_t *tccp = &tcp->tccps[i];
12227 tccp->numgbits = (OPJ_UINT32)numgbits;
12228 }
12229 }
12230 } else {
12231 opj_event_msg(p_manager, EVT_ERROR,
12232 "Invalid option: %s.\n", *p_option_iter);
12233 return OPJ_FALSE;
12234 }
12235 }
12236
12237 return OPJ_TRUE;
12238 }
12239
12240 /* ----------------------------------------------------------------------- */
12241
opj_j2k_encode(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)12242 OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
12243 opj_stream_private_t *p_stream,
12244 opj_event_mgr_t * p_manager)
12245 {
12246 OPJ_UINT32 i, j;
12247 OPJ_UINT32 l_nb_tiles;
12248 OPJ_SIZE_T l_max_tile_size = 0, l_current_tile_size;
12249 OPJ_BYTE * l_current_data = 00;
12250 OPJ_BOOL l_reuse_data = OPJ_FALSE;
12251 opj_tcd_t* p_tcd = 00;
12252
12253 /* preconditions */
12254 assert(p_j2k != 00);
12255 assert(p_stream != 00);
12256 assert(p_manager != 00);
12257
12258 p_tcd = p_j2k->m_tcd;
12259
12260 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
12261 if (l_nb_tiles == 1) {
12262 l_reuse_data = OPJ_TRUE;
12263 #ifdef __SSE__
12264 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
12265 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
12266 if (((size_t)l_img_comp->data & 0xFU) !=
12267 0U) { /* tile data shall be aligned on 16 bytes */
12268 l_reuse_data = OPJ_FALSE;
12269 }
12270 }
12271 #endif
12272 }
12273 for (i = 0; i < l_nb_tiles; ++i) {
12274 if (! opj_j2k_pre_write_tile(p_j2k, i, p_stream, p_manager)) {
12275 if (l_current_data) {
12276 opj_free(l_current_data);
12277 }
12278 return OPJ_FALSE;
12279 }
12280
12281 /* if we only have one tile, then simply set tile component data equal to image component data */
12282 /* otherwise, allocate the data */
12283 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
12284 opj_tcd_tilecomp_t* l_tilec = p_tcd->tcd_image->tiles->comps + j;
12285 if (l_reuse_data) {
12286 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
12287 l_tilec->data = l_img_comp->data;
12288 l_tilec->ownsData = OPJ_FALSE;
12289 } else {
12290 if (! opj_alloc_tile_component_data(l_tilec)) {
12291 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
12292 if (l_current_data) {
12293 opj_free(l_current_data);
12294 }
12295 return OPJ_FALSE;
12296 }
12297 }
12298 }
12299 l_current_tile_size = opj_tcd_get_encoder_input_buffer_size(p_j2k->m_tcd);
12300 if (!l_reuse_data) {
12301 if (l_current_tile_size > l_max_tile_size) {
12302 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data,
12303 l_current_tile_size);
12304 if (! l_new_current_data) {
12305 if (l_current_data) {
12306 opj_free(l_current_data);
12307 }
12308 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to encode all tiles\n");
12309 return OPJ_FALSE;
12310 }
12311 l_current_data = l_new_current_data;
12312 l_max_tile_size = l_current_tile_size;
12313 }
12314 if (l_current_data == NULL) {
12315 /* Should not happen in practice, but will avoid Coverity to */
12316 /* complain about a null pointer dereference */
12317 assert(0);
12318 return OPJ_FALSE;
12319 }
12320
12321 /* copy image data (32 bit) to l_current_data as contiguous, all-component, zero offset buffer */
12322 /* 32 bit components @ 8 bit precision get converted to 8 bit */
12323 /* 32 bit components @ 16 bit precision get converted to 16 bit */
12324 opj_j2k_get_tile_data(p_j2k->m_tcd, l_current_data);
12325
12326 /* now copy this data into the tile component */
12327 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, l_current_data,
12328 l_current_tile_size)) {
12329 opj_event_msg(p_manager, EVT_ERROR,
12330 "Size mismatch between tile data and sent data.");
12331 opj_free(l_current_data);
12332 return OPJ_FALSE;
12333 }
12334 }
12335
12336 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
12337 if (l_current_data) {
12338 opj_free(l_current_data);
12339 }
12340 return OPJ_FALSE;
12341 }
12342 }
12343
12344 if (l_current_data) {
12345 opj_free(l_current_data);
12346 }
12347 return OPJ_TRUE;
12348 }
12349
opj_j2k_end_compress(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)12350 OPJ_BOOL opj_j2k_end_compress(opj_j2k_t *p_j2k,
12351 opj_stream_private_t *p_stream,
12352 opj_event_mgr_t * p_manager)
12353 {
12354 /* customization of the encoding */
12355 if (! opj_j2k_setup_end_compress(p_j2k, p_manager)) {
12356 return OPJ_FALSE;
12357 }
12358
12359 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
12360 return OPJ_FALSE;
12361 }
12362
12363 return OPJ_TRUE;
12364 }
12365
opj_j2k_start_compress(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_image_t * p_image,opj_event_mgr_t * p_manager)12366 OPJ_BOOL opj_j2k_start_compress(opj_j2k_t *p_j2k,
12367 opj_stream_private_t *p_stream,
12368 opj_image_t * p_image,
12369 opj_event_mgr_t * p_manager)
12370 {
12371 /* preconditions */
12372 assert(p_j2k != 00);
12373 assert(p_stream != 00);
12374 assert(p_manager != 00);
12375
12376 p_j2k->m_private_image = opj_image_create0();
12377 if (! p_j2k->m_private_image) {
12378 opj_event_msg(p_manager, EVT_ERROR, "Failed to allocate image header.");
12379 return OPJ_FALSE;
12380 }
12381 opj_copy_image_header(p_image, p_j2k->m_private_image);
12382
12383 /* TODO_MSD: Find a better way */
12384 if (p_image->comps) {
12385 OPJ_UINT32 it_comp;
12386 for (it_comp = 0 ; it_comp < p_image->numcomps; it_comp++) {
12387 if (p_image->comps[it_comp].data) {
12388 p_j2k->m_private_image->comps[it_comp].data = p_image->comps[it_comp].data;
12389 p_image->comps[it_comp].data = NULL;
12390
12391 }
12392 }
12393 }
12394
12395 /* customization of the validation */
12396 if (! opj_j2k_setup_encoding_validation(p_j2k, p_manager)) {
12397 return OPJ_FALSE;
12398 }
12399
12400 /* validation of the parameters codec */
12401 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
12402 return OPJ_FALSE;
12403 }
12404
12405 /* customization of the encoding */
12406 if (! opj_j2k_setup_header_writing(p_j2k, p_manager)) {
12407 return OPJ_FALSE;
12408 }
12409
12410 /* write header */
12411 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
12412 return OPJ_FALSE;
12413 }
12414
12415 return OPJ_TRUE;
12416 }
12417
opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_index,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)12418 static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
12419 OPJ_UINT32 p_tile_index,
12420 opj_stream_private_t *p_stream,
12421 opj_event_mgr_t * p_manager)
12422 {
12423 (void)p_stream;
12424 if (p_tile_index != p_j2k->m_current_tile_number) {
12425 opj_event_msg(p_manager, EVT_ERROR, "The given tile index does not match.");
12426 return OPJ_FALSE;
12427 }
12428
12429 opj_event_msg(p_manager, EVT_INFO, "tile number %d / %d\n",
12430 p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th);
12431
12432 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0;
12433 p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts;
12434 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
12435
12436 /* initialisation before tile encoding */
12437 if (! opj_tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
12438 p_manager)) {
12439 return OPJ_FALSE;
12440 }
12441
12442 return OPJ_TRUE;
12443 }
12444
opj_get_tile_dimensions(opj_image_t * l_image,opj_tcd_tilecomp_t * l_tilec,opj_image_comp_t * l_img_comp,OPJ_UINT32 * l_size_comp,OPJ_UINT32 * l_width,OPJ_UINT32 * l_height,OPJ_UINT32 * l_offset_x,OPJ_UINT32 * l_offset_y,OPJ_UINT32 * l_image_width,OPJ_UINT32 * l_stride,OPJ_UINT32 * l_tile_offset)12445 static void opj_get_tile_dimensions(opj_image_t * l_image,
12446 opj_tcd_tilecomp_t * l_tilec,
12447 opj_image_comp_t * l_img_comp,
12448 OPJ_UINT32* l_size_comp,
12449 OPJ_UINT32* l_width,
12450 OPJ_UINT32* l_height,
12451 OPJ_UINT32* l_offset_x,
12452 OPJ_UINT32* l_offset_y,
12453 OPJ_UINT32* l_image_width,
12454 OPJ_UINT32* l_stride,
12455 OPJ_UINT32* l_tile_offset)
12456 {
12457 OPJ_UINT32 l_remaining;
12458 *l_size_comp = l_img_comp->prec >> 3; /* (/8) */
12459 l_remaining = l_img_comp->prec & 7; /* (%8) */
12460 if (l_remaining) {
12461 *l_size_comp += 1;
12462 }
12463
12464 if (*l_size_comp == 3) {
12465 *l_size_comp = 4;
12466 }
12467
12468 *l_width = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0);
12469 *l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0);
12470 *l_offset_x = opj_uint_ceildiv(l_image->x0, l_img_comp->dx);
12471 *l_offset_y = opj_uint_ceildiv(l_image->y0, l_img_comp->dy);
12472 *l_image_width = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x1 -
12473 (OPJ_INT32)l_image->x0, (OPJ_INT32)l_img_comp->dx);
12474 *l_stride = *l_image_width - *l_width;
12475 *l_tile_offset = ((OPJ_UINT32)l_tilec->x0 - *l_offset_x) + ((
12476 OPJ_UINT32)l_tilec->y0 - *l_offset_y) * *l_image_width;
12477 }
12478
opj_j2k_get_tile_data(opj_tcd_t * p_tcd,OPJ_BYTE * p_data)12479 static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data)
12480 {
12481 OPJ_UINT32 i, j, k = 0;
12482
12483 for (i = 0; i < p_tcd->image->numcomps; ++i) {
12484 opj_image_t * l_image = p_tcd->image;
12485 OPJ_INT32 * l_src_ptr;
12486 opj_tcd_tilecomp_t * l_tilec = p_tcd->tcd_image->tiles->comps + i;
12487 opj_image_comp_t * l_img_comp = l_image->comps + i;
12488 OPJ_UINT32 l_size_comp, l_width, l_height, l_offset_x, l_offset_y,
12489 l_image_width, l_stride, l_tile_offset;
12490
12491 opj_get_tile_dimensions(l_image,
12492 l_tilec,
12493 l_img_comp,
12494 &l_size_comp,
12495 &l_width,
12496 &l_height,
12497 &l_offset_x,
12498 &l_offset_y,
12499 &l_image_width,
12500 &l_stride,
12501 &l_tile_offset);
12502
12503 l_src_ptr = l_img_comp->data + l_tile_offset;
12504
12505 switch (l_size_comp) {
12506 case 1: {
12507 OPJ_CHAR * l_dest_ptr = (OPJ_CHAR*) p_data;
12508 if (l_img_comp->sgnd) {
12509 for (j = 0; j < l_height; ++j) {
12510 for (k = 0; k < l_width; ++k) {
12511 *(l_dest_ptr) = (OPJ_CHAR)(*l_src_ptr);
12512 ++l_dest_ptr;
12513 ++l_src_ptr;
12514 }
12515 l_src_ptr += l_stride;
12516 }
12517 } else {
12518 for (j = 0; j < l_height; ++j) {
12519 for (k = 0; k < l_width; ++k) {
12520 *(l_dest_ptr) = (OPJ_CHAR)((*l_src_ptr) & 0xff);
12521 ++l_dest_ptr;
12522 ++l_src_ptr;
12523 }
12524 l_src_ptr += l_stride;
12525 }
12526 }
12527
12528 p_data = (OPJ_BYTE*) l_dest_ptr;
12529 }
12530 break;
12531 case 2: {
12532 OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_data;
12533 if (l_img_comp->sgnd) {
12534 for (j = 0; j < l_height; ++j) {
12535 for (k = 0; k < l_width; ++k) {
12536 *(l_dest_ptr++) = (OPJ_INT16)(*(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_INT16)((*(l_src_ptr++)) & 0xffff);
12544 }
12545 l_src_ptr += l_stride;
12546 }
12547 }
12548
12549 p_data = (OPJ_BYTE*) l_dest_ptr;
12550 }
12551 break;
12552 case 4: {
12553 OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_data;
12554 for (j = 0; j < l_height; ++j) {
12555 for (k = 0; k < l_width; ++k) {
12556 *(l_dest_ptr++) = *(l_src_ptr++);
12557 }
12558 l_src_ptr += l_stride;
12559 }
12560
12561 p_data = (OPJ_BYTE*) l_dest_ptr;
12562 }
12563 break;
12564 }
12565 }
12566 }
12567
opj_j2k_post_write_tile(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)12568 static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
12569 opj_stream_private_t *p_stream,
12570 opj_event_mgr_t * p_manager)
12571 {
12572 OPJ_UINT32 l_nb_bytes_written;
12573 OPJ_BYTE * l_current_data = 00;
12574 OPJ_UINT32 l_tile_size = 0;
12575 OPJ_UINT32 l_available_data;
12576
12577 /* preconditions */
12578 assert(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
12579
12580 l_tile_size = p_j2k->m_specific_param.m_encoder.m_encoded_tile_size;
12581 l_available_data = l_tile_size;
12582 l_current_data = p_j2k->m_specific_param.m_encoder.m_encoded_tile_data;
12583
12584 l_nb_bytes_written = 0;
12585 if (! opj_j2k_write_first_tile_part(p_j2k, l_current_data, &l_nb_bytes_written,
12586 l_available_data, p_stream, p_manager)) {
12587 return OPJ_FALSE;
12588 }
12589 l_current_data += l_nb_bytes_written;
12590 l_available_data -= l_nb_bytes_written;
12591
12592 l_nb_bytes_written = 0;
12593 if (! opj_j2k_write_all_tile_parts(p_j2k, l_current_data, &l_nb_bytes_written,
12594 l_available_data, p_stream, p_manager)) {
12595 return OPJ_FALSE;
12596 }
12597
12598 l_available_data -= l_nb_bytes_written;
12599 l_nb_bytes_written = l_tile_size - l_available_data;
12600
12601 if (opj_stream_write_data(p_stream,
12602 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data,
12603 l_nb_bytes_written, p_manager) != l_nb_bytes_written) {
12604 return OPJ_FALSE;
12605 }
12606
12607 ++p_j2k->m_current_tile_number;
12608
12609 return OPJ_TRUE;
12610 }
12611
opj_j2k_setup_end_compress(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)12612 static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
12613 opj_event_mgr_t * p_manager)
12614 {
12615 /* preconditions */
12616 assert(p_j2k != 00);
12617 assert(p_manager != 00);
12618
12619 /* DEVELOPER CORNER, insert your custom procedures */
12620 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12621 (opj_procedure)opj_j2k_write_eoc, p_manager)) {
12622 return OPJ_FALSE;
12623 }
12624
12625 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12626 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12627 (opj_procedure)opj_j2k_write_updated_tlm, p_manager)) {
12628 return OPJ_FALSE;
12629 }
12630 }
12631
12632 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12633 (opj_procedure)opj_j2k_write_epc, p_manager)) {
12634 return OPJ_FALSE;
12635 }
12636 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12637 (opj_procedure)opj_j2k_end_encoding, p_manager)) {
12638 return OPJ_FALSE;
12639 }
12640 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12641 (opj_procedure)opj_j2k_destroy_header_memory, p_manager)) {
12642 return OPJ_FALSE;
12643 }
12644 return OPJ_TRUE;
12645 }
12646
opj_j2k_setup_encoding_validation(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)12647 static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
12648 opj_event_mgr_t * p_manager)
12649 {
12650 /* preconditions */
12651 assert(p_j2k != 00);
12652 assert(p_manager != 00);
12653
12654 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
12655 (opj_procedure)opj_j2k_build_encoder, p_manager)) {
12656 return OPJ_FALSE;
12657 }
12658 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
12659 (opj_procedure)opj_j2k_encoding_validation, p_manager)) {
12660 return OPJ_FALSE;
12661 }
12662
12663 /* DEVELOPER CORNER, add your custom validation procedure */
12664 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
12665 (opj_procedure)opj_j2k_mct_validation, p_manager)) {
12666 return OPJ_FALSE;
12667 }
12668
12669 return OPJ_TRUE;
12670 }
12671
opj_j2k_setup_header_writing(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)12672 static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
12673 opj_event_mgr_t * p_manager)
12674 {
12675 /* preconditions */
12676 assert(p_j2k != 00);
12677 assert(p_manager != 00);
12678
12679 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12680 (opj_procedure)opj_j2k_init_info, p_manager)) {
12681 return OPJ_FALSE;
12682 }
12683 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12684 (opj_procedure)opj_j2k_write_soc, p_manager)) {
12685 return OPJ_FALSE;
12686 }
12687 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12688 (opj_procedure)opj_j2k_write_siz, p_manager)) {
12689 return OPJ_FALSE;
12690 }
12691 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12692 (opj_procedure)opj_j2k_write_cod, p_manager)) {
12693 return OPJ_FALSE;
12694 }
12695 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12696 (opj_procedure)opj_j2k_write_qcd, p_manager)) {
12697 return OPJ_FALSE;
12698 }
12699 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12700 (opj_procedure)opj_j2k_write_all_coc, p_manager)) {
12701 return OPJ_FALSE;
12702 }
12703 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12704 (opj_procedure)opj_j2k_write_all_qcc, p_manager)) {
12705 return OPJ_FALSE;
12706 }
12707
12708 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12709 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12710 (opj_procedure)opj_j2k_write_tlm, p_manager)) {
12711 return OPJ_FALSE;
12712 }
12713
12714 if (p_j2k->m_cp.rsiz == OPJ_PROFILE_CINEMA_4K) {
12715 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12716 (opj_procedure)opj_j2k_write_poc, p_manager)) {
12717 return OPJ_FALSE;
12718 }
12719 }
12720 }
12721
12722 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12723 (opj_procedure)opj_j2k_write_regions, p_manager)) {
12724 return OPJ_FALSE;
12725 }
12726
12727 if (p_j2k->m_cp.comment != 00) {
12728 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12729 (opj_procedure)opj_j2k_write_com, p_manager)) {
12730 return OPJ_FALSE;
12731 }
12732 }
12733
12734 /* DEVELOPER CORNER, insert your custom procedures */
12735 if ((p_j2k->m_cp.rsiz & (OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT)) ==
12736 (OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT)) {
12737 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12738 (opj_procedure)opj_j2k_write_mct_data_group, p_manager)) {
12739 return OPJ_FALSE;
12740 }
12741 }
12742 /* End of Developer Corner */
12743
12744 if (p_j2k->cstr_index) {
12745 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12746 (opj_procedure)opj_j2k_get_end_header, p_manager)) {
12747 return OPJ_FALSE;
12748 }
12749 }
12750
12751 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12752 (opj_procedure)opj_j2k_create_tcd, p_manager)) {
12753 return OPJ_FALSE;
12754 }
12755 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12756 (opj_procedure)opj_j2k_update_rates, p_manager)) {
12757 return OPJ_FALSE;
12758 }
12759
12760 return OPJ_TRUE;
12761 }
12762
opj_j2k_write_first_tile_part(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,OPJ_UINT32 total_data_size,opj_stream_private_t * p_stream,struct opj_event_mgr * p_manager)12763 static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
12764 OPJ_BYTE * p_data,
12765 OPJ_UINT32 * p_data_written,
12766 OPJ_UINT32 total_data_size,
12767 opj_stream_private_t *p_stream,
12768 struct opj_event_mgr * p_manager)
12769 {
12770 OPJ_UINT32 l_nb_bytes_written = 0;
12771 OPJ_UINT32 l_current_nb_bytes_written;
12772 OPJ_BYTE * l_begin_data = 00;
12773
12774 opj_tcd_t * l_tcd = 00;
12775 opj_cp_t * l_cp = 00;
12776
12777 l_tcd = p_j2k->m_tcd;
12778 l_cp = &(p_j2k->m_cp);
12779
12780 l_tcd->cur_pino = 0;
12781
12782 /*Get number of tile parts*/
12783 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
12784
12785 /* INDEX >> */
12786 /* << INDEX */
12787
12788 l_current_nb_bytes_written = 0;
12789 l_begin_data = p_data;
12790 if (! opj_j2k_write_sot(p_j2k, p_data, total_data_size,
12791 &l_current_nb_bytes_written, p_stream,
12792 p_manager)) {
12793 return OPJ_FALSE;
12794 }
12795
12796 l_nb_bytes_written += l_current_nb_bytes_written;
12797 p_data += l_current_nb_bytes_written;
12798 total_data_size -= l_current_nb_bytes_written;
12799
12800 if (!OPJ_IS_CINEMA(l_cp->rsiz)) {
12801 #if 0
12802 for (compno = 1; compno < p_j2k->m_private_image->numcomps; compno++) {
12803 l_current_nb_bytes_written = 0;
12804 opj_j2k_write_coc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
12805 p_manager);
12806 l_nb_bytes_written += l_current_nb_bytes_written;
12807 p_data += l_current_nb_bytes_written;
12808 total_data_size -= l_current_nb_bytes_written;
12809
12810 l_current_nb_bytes_written = 0;
12811 opj_j2k_write_qcc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
12812 p_manager);
12813 l_nb_bytes_written += l_current_nb_bytes_written;
12814 p_data += l_current_nb_bytes_written;
12815 total_data_size -= l_current_nb_bytes_written;
12816 }
12817 #endif
12818 if (l_cp->tcps[p_j2k->m_current_tile_number].POC) {
12819 l_current_nb_bytes_written = 0;
12820 opj_j2k_write_poc_in_memory(p_j2k, p_data, &l_current_nb_bytes_written,
12821 p_manager);
12822 l_nb_bytes_written += l_current_nb_bytes_written;
12823 p_data += l_current_nb_bytes_written;
12824 total_data_size -= l_current_nb_bytes_written;
12825 }
12826 }
12827
12828 l_current_nb_bytes_written = 0;
12829 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
12830 total_data_size, p_stream, p_manager)) {
12831 return OPJ_FALSE;
12832 }
12833
12834 l_nb_bytes_written += l_current_nb_bytes_written;
12835 * p_data_written = l_nb_bytes_written;
12836
12837 /* Writing Psot in SOT marker */
12838 opj_write_bytes(l_begin_data + 6, l_nb_bytes_written,
12839 4); /* PSOT */
12840
12841 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12842 opj_j2k_update_tlm(p_j2k, l_nb_bytes_written);
12843 }
12844
12845 return OPJ_TRUE;
12846 }
12847
opj_j2k_write_all_tile_parts(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,OPJ_UINT32 total_data_size,opj_stream_private_t * p_stream,struct opj_event_mgr * p_manager)12848 static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
12849 OPJ_BYTE * p_data,
12850 OPJ_UINT32 * p_data_written,
12851 OPJ_UINT32 total_data_size,
12852 opj_stream_private_t *p_stream,
12853 struct opj_event_mgr * p_manager
12854 )
12855 {
12856 OPJ_UINT32 tilepartno = 0;
12857 OPJ_UINT32 l_nb_bytes_written = 0;
12858 OPJ_UINT32 l_current_nb_bytes_written;
12859 OPJ_UINT32 l_part_tile_size;
12860 OPJ_UINT32 tot_num_tp;
12861 OPJ_UINT32 pino;
12862
12863 OPJ_BYTE * l_begin_data;
12864 opj_tcp_t *l_tcp = 00;
12865 opj_tcd_t * l_tcd = 00;
12866 opj_cp_t * l_cp = 00;
12867
12868 l_tcd = p_j2k->m_tcd;
12869 l_cp = &(p_j2k->m_cp);
12870 l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
12871
12872 /*Get number of tile parts*/
12873 tot_num_tp = opj_j2k_get_num_tp(l_cp, 0, p_j2k->m_current_tile_number);
12874
12875 /* start writing remaining tile parts */
12876 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
12877 for (tilepartno = 1; tilepartno < tot_num_tp ; ++tilepartno) {
12878 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
12879 l_current_nb_bytes_written = 0;
12880 l_part_tile_size = 0;
12881 l_begin_data = p_data;
12882
12883 if (! opj_j2k_write_sot(p_j2k, p_data,
12884 total_data_size,
12885 &l_current_nb_bytes_written,
12886 p_stream,
12887 p_manager)) {
12888 return OPJ_FALSE;
12889 }
12890
12891 l_nb_bytes_written += l_current_nb_bytes_written;
12892 p_data += l_current_nb_bytes_written;
12893 total_data_size -= l_current_nb_bytes_written;
12894 l_part_tile_size += l_current_nb_bytes_written;
12895
12896 l_current_nb_bytes_written = 0;
12897 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
12898 total_data_size, p_stream, p_manager)) {
12899 return OPJ_FALSE;
12900 }
12901
12902 p_data += l_current_nb_bytes_written;
12903 l_nb_bytes_written += l_current_nb_bytes_written;
12904 total_data_size -= l_current_nb_bytes_written;
12905 l_part_tile_size += l_current_nb_bytes_written;
12906
12907 /* Writing Psot in SOT marker */
12908 opj_write_bytes(l_begin_data + 6, l_part_tile_size,
12909 4); /* PSOT */
12910
12911 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12912 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
12913 }
12914
12915 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
12916 }
12917
12918 for (pino = 1; pino <= l_tcp->numpocs; ++pino) {
12919 l_tcd->cur_pino = pino;
12920
12921 /*Get number of tile parts*/
12922 tot_num_tp = opj_j2k_get_num_tp(l_cp, pino, p_j2k->m_current_tile_number);
12923 for (tilepartno = 0; tilepartno < tot_num_tp ; ++tilepartno) {
12924 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
12925 l_current_nb_bytes_written = 0;
12926 l_part_tile_size = 0;
12927 l_begin_data = p_data;
12928
12929 if (! opj_j2k_write_sot(p_j2k, p_data,
12930 total_data_size,
12931 &l_current_nb_bytes_written, p_stream,
12932 p_manager)) {
12933 return OPJ_FALSE;
12934 }
12935
12936 l_nb_bytes_written += l_current_nb_bytes_written;
12937 p_data += l_current_nb_bytes_written;
12938 total_data_size -= l_current_nb_bytes_written;
12939 l_part_tile_size += l_current_nb_bytes_written;
12940
12941 l_current_nb_bytes_written = 0;
12942
12943 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
12944 total_data_size, p_stream, p_manager)) {
12945 return OPJ_FALSE;
12946 }
12947
12948 l_nb_bytes_written += l_current_nb_bytes_written;
12949 p_data += l_current_nb_bytes_written;
12950 total_data_size -= l_current_nb_bytes_written;
12951 l_part_tile_size += l_current_nb_bytes_written;
12952
12953 /* Writing Psot in SOT marker */
12954 opj_write_bytes(l_begin_data + 6, l_part_tile_size,
12955 4); /* PSOT */
12956
12957 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12958 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
12959 }
12960
12961 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
12962 }
12963 }
12964
12965 *p_data_written = l_nb_bytes_written;
12966
12967 return OPJ_TRUE;
12968 }
12969
opj_j2k_write_updated_tlm(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)12970 static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
12971 struct opj_stream_private *p_stream,
12972 struct opj_event_mgr * p_manager)
12973 {
12974 OPJ_UINT32 l_tlm_size;
12975 OPJ_OFF_T l_tlm_position, l_current_position;
12976 OPJ_UINT32 size_per_tile_part;
12977
12978 /* preconditions */
12979 assert(p_j2k != 00);
12980 assert(p_manager != 00);
12981 assert(p_stream != 00);
12982
12983 size_per_tile_part = p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte ? 5 : 6;
12984 l_tlm_size = size_per_tile_part *
12985 p_j2k->m_specific_param.m_encoder.m_total_tile_parts;
12986 l_tlm_position = 6 + p_j2k->m_specific_param.m_encoder.m_tlm_start;
12987 l_current_position = opj_stream_tell(p_stream);
12988
12989 if (! opj_stream_seek(p_stream, l_tlm_position, p_manager)) {
12990 return OPJ_FALSE;
12991 }
12992
12993 if (opj_stream_write_data(p_stream,
12994 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer, l_tlm_size,
12995 p_manager) != l_tlm_size) {
12996 return OPJ_FALSE;
12997 }
12998
12999 if (! opj_stream_seek(p_stream, l_current_position, p_manager)) {
13000 return OPJ_FALSE;
13001 }
13002
13003 return OPJ_TRUE;
13004 }
13005
opj_j2k_end_encoding(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)13006 static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
13007 struct opj_stream_private *p_stream,
13008 struct opj_event_mgr * p_manager)
13009 {
13010 /* preconditions */
13011 assert(p_j2k != 00);
13012 assert(p_manager != 00);
13013 assert(p_stream != 00);
13014
13015 OPJ_UNUSED(p_stream);
13016 OPJ_UNUSED(p_manager);
13017
13018 opj_tcd_destroy(p_j2k->m_tcd);
13019 p_j2k->m_tcd = 00;
13020
13021 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
13022 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
13023 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 0;
13024 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 0;
13025 }
13026
13027 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
13028 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
13029 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 0;
13030 }
13031
13032 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = 0;
13033
13034 return OPJ_TRUE;
13035 }
13036
13037 /**
13038 * Destroys the memory associated with the decoding of headers.
13039 */
opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)13040 static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
13041 opj_stream_private_t *p_stream,
13042 opj_event_mgr_t * p_manager
13043 )
13044 {
13045 /* preconditions */
13046 assert(p_j2k != 00);
13047 assert(p_stream != 00);
13048 assert(p_manager != 00);
13049
13050 OPJ_UNUSED(p_stream);
13051 OPJ_UNUSED(p_manager);
13052
13053 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
13054 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
13055 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 0;
13056 }
13057
13058 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
13059
13060 return OPJ_TRUE;
13061 }
13062
opj_j2k_init_info(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)13063 static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
13064 struct opj_stream_private *p_stream,
13065 struct opj_event_mgr * p_manager)
13066 {
13067 opj_codestream_info_t * l_cstr_info = 00;
13068
13069 /* preconditions */
13070 assert(p_j2k != 00);
13071 assert(p_manager != 00);
13072 assert(p_stream != 00);
13073 (void)l_cstr_info;
13074
13075 OPJ_UNUSED(p_stream);
13076
13077 /* TODO mergeV2: check this part which use cstr_info */
13078 /*l_cstr_info = p_j2k->cstr_info;
13079
13080 if (l_cstr_info) {
13081 OPJ_UINT32 compno;
13082 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));
13083
13084 l_cstr_info->image_w = p_j2k->m_image->x1 - p_j2k->m_image->x0;
13085 l_cstr_info->image_h = p_j2k->m_image->y1 - p_j2k->m_image->y0;
13086
13087 l_cstr_info->prog = (&p_j2k->m_cp.tcps[0])->prg;
13088
13089 l_cstr_info->tw = p_j2k->m_cp.tw;
13090 l_cstr_info->th = p_j2k->m_cp.th;
13091
13092 l_cstr_info->tile_x = p_j2k->m_cp.tdx;*/ /* new version parser */
13093 /*l_cstr_info->tile_y = p_j2k->m_cp.tdy;*/ /* new version parser */
13094 /*l_cstr_info->tile_Ox = p_j2k->m_cp.tx0;*/ /* new version parser */
13095 /*l_cstr_info->tile_Oy = p_j2k->m_cp.ty0;*/ /* new version parser */
13096
13097 /*l_cstr_info->numcomps = p_j2k->m_image->numcomps;
13098
13099 l_cstr_info->numlayers = (&p_j2k->m_cp.tcps[0])->numlayers;
13100
13101 l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(p_j2k->m_image->numcomps * sizeof(OPJ_INT32));
13102
13103 for (compno=0; compno < p_j2k->m_image->numcomps; compno++) {
13104 l_cstr_info->numdecompos[compno] = (&p_j2k->m_cp.tcps[0])->tccps->numresolutions - 1;
13105 }
13106
13107 l_cstr_info->D_max = 0.0; */ /* ADD Marcela */
13108
13109 /*l_cstr_info->main_head_start = opj_stream_tell(p_stream);*/ /* position of SOC */
13110
13111 /*l_cstr_info->maxmarknum = 100;
13112 l_cstr_info->marker = (opj_marker_info_t *) opj_malloc(l_cstr_info->maxmarknum * sizeof(opj_marker_info_t));
13113 l_cstr_info->marknum = 0;
13114 }*/
13115
13116 return opj_j2k_calculate_tp(p_j2k, &(p_j2k->m_cp),
13117 &p_j2k->m_specific_param.m_encoder.m_total_tile_parts, p_j2k->m_private_image,
13118 p_manager);
13119 }
13120
13121 /**
13122 * Creates a tile-coder encoder.
13123 *
13124 * @param p_stream the stream to write data to.
13125 * @param p_j2k J2K codec.
13126 * @param p_manager the user event manager.
13127 */
opj_j2k_create_tcd(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)13128 static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
13129 opj_stream_private_t *p_stream,
13130 opj_event_mgr_t * p_manager
13131 )
13132 {
13133 /* preconditions */
13134 assert(p_j2k != 00);
13135 assert(p_manager != 00);
13136 assert(p_stream != 00);
13137
13138 OPJ_UNUSED(p_stream);
13139
13140 p_j2k->m_tcd = opj_tcd_create(OPJ_FALSE);
13141
13142 if (! p_j2k->m_tcd) {
13143 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to create Tile Coder\n");
13144 return OPJ_FALSE;
13145 }
13146
13147 if (!opj_tcd_init(p_j2k->m_tcd, p_j2k->m_private_image, &p_j2k->m_cp,
13148 p_j2k->m_tp)) {
13149 opj_tcd_destroy(p_j2k->m_tcd);
13150 p_j2k->m_tcd = 00;
13151 return OPJ_FALSE;
13152 }
13153
13154 return OPJ_TRUE;
13155 }
13156
opj_j2k_write_tile(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_index,OPJ_BYTE * p_data,OPJ_UINT32 p_data_size,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)13157 OPJ_BOOL opj_j2k_write_tile(opj_j2k_t * p_j2k,
13158 OPJ_UINT32 p_tile_index,
13159 OPJ_BYTE * p_data,
13160 OPJ_UINT32 p_data_size,
13161 opj_stream_private_t *p_stream,
13162 opj_event_mgr_t * p_manager)
13163 {
13164 if (! opj_j2k_pre_write_tile(p_j2k, p_tile_index, p_stream, p_manager)) {
13165 opj_event_msg(p_manager, EVT_ERROR,
13166 "Error while opj_j2k_pre_write_tile with tile index = %d\n", p_tile_index);
13167 return OPJ_FALSE;
13168 } else {
13169 OPJ_UINT32 j;
13170 /* Allocate data */
13171 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
13172 opj_tcd_tilecomp_t* l_tilec = p_j2k->m_tcd->tcd_image->tiles->comps + j;
13173
13174 if (! opj_alloc_tile_component_data(l_tilec)) {
13175 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
13176 return OPJ_FALSE;
13177 }
13178 }
13179
13180 /* now copy data into the tile component */
13181 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
13182 opj_event_msg(p_manager, EVT_ERROR,
13183 "Size mismatch between tile data and sent data.");
13184 return OPJ_FALSE;
13185 }
13186 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
13187 opj_event_msg(p_manager, EVT_ERROR,
13188 "Error while opj_j2k_post_write_tile with tile index = %d\n", p_tile_index);
13189 return OPJ_FALSE;
13190 }
13191 }
13192
13193 return OPJ_TRUE;
13194 }
13195