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. Developpers 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 lauch to make sure the codec parameters
93 * are valid. Developpers 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 lauch to make sure the codec parameters
100 * are valid. Developpers 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 lauch to make sure the codec parameters
107 * are valid. Developpers 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 * Excutes 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 p_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 p_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 p_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 p_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 * @param p_j2k J2K codec.
883 * @param p_tile_coder FIXME DOC
884 * @param p_data FIXME DOC
885 * @param p_data_written FIXME DOC
886 * @param p_total_data_size FIXME DOC
887 * @param p_stream the stream to write data to.
888 * @param p_manager the user event manager.
889 */
890 static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
891 opj_tcd_t * p_tile_coder,
892 OPJ_BYTE * p_data,
893 OPJ_UINT32 * p_data_written,
894 OPJ_UINT32 p_total_data_size,
895 const opj_stream_private_t *p_stream,
896 opj_event_mgr_t * p_manager);
897
898 /**
899 * Reads a SOD marker (Start Of Data)
900 *
901 * @param p_j2k the jpeg2000 codec.
902 * @param p_stream FIXME DOC
903 * @param p_manager the user event manager.
904 */
905 static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
906 opj_stream_private_t *p_stream,
907 opj_event_mgr_t * p_manager);
908
opj_j2k_update_tlm(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_part_size)909 static void opj_j2k_update_tlm(opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size)
910 {
911 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
912 p_j2k->m_current_tile_number, 1); /* PSOT */
913 ++p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current;
914
915 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
916 p_tile_part_size, 4); /* PSOT */
917 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 4;
918 }
919
920 /**
921 * Writes the RGN marker (Region Of Interest)
922 *
923 * @param p_tile_no the tile to output
924 * @param p_comp_no the component to output
925 * @param nb_comps the number of components
926 * @param p_stream the stream to write data to.
927 * @param p_j2k J2K codec.
928 * @param p_manager the user event manager.
929 */
930 static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
931 OPJ_UINT32 p_tile_no,
932 OPJ_UINT32 p_comp_no,
933 OPJ_UINT32 nb_comps,
934 opj_stream_private_t *p_stream,
935 opj_event_mgr_t * p_manager);
936
937 /**
938 * Reads a RGN marker (Region Of Interest)
939 *
940 * @param p_header_data the data contained in the POC box.
941 * @param p_j2k the jpeg2000 codec.
942 * @param p_header_size the size of the data contained in the POC marker.
943 * @param p_manager the user event manager.
944 */
945 static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
946 OPJ_BYTE * p_header_data,
947 OPJ_UINT32 p_header_size,
948 opj_event_mgr_t * p_manager);
949
950 /**
951 * Writes the EOC marker (End of Codestream)
952 *
953 * @param p_stream the stream to write data to.
954 * @param p_j2k J2K codec.
955 * @param p_manager the user event manager.
956 */
957 static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
958 opj_stream_private_t *p_stream,
959 opj_event_mgr_t * p_manager);
960
961 #if 0
962 /**
963 * Reads a EOC marker (End Of Codestream)
964 *
965 * @param p_j2k the jpeg2000 codec.
966 * @param p_stream FIXME DOC
967 * @param p_manager the user event manager.
968 */
969 static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
970 opj_stream_private_t *p_stream,
971 opj_event_mgr_t * p_manager);
972 #endif
973
974 /**
975 * Writes the CBD-MCT-MCC-MCO markers (Multi components transform)
976 *
977 * @param p_stream the stream to write data to.
978 * @param p_j2k J2K codec.
979 * @param p_manager the user event manager.
980 */
981 static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
982 opj_stream_private_t *p_stream,
983 opj_event_mgr_t * p_manager);
984
985 /**
986 * Inits the Info
987 *
988 * @param p_stream the stream to write data to.
989 * @param p_j2k J2K codec.
990 * @param p_manager the user event manager.
991 */
992 static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
993 opj_stream_private_t *p_stream,
994 opj_event_mgr_t * p_manager);
995
996 /**
997 Add main header marker information
998 @param cstr_index Codestream information structure
999 @param type marker type
1000 @param pos byte offset of marker segment
1001 @param len length of marker segment
1002 */
1003 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
1004 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) ;
1005 /**
1006 Add tile header marker information
1007 @param tileno tile index number
1008 @param cstr_index Codestream information structure
1009 @param type marker type
1010 @param pos byte offset of marker segment
1011 @param len length of marker segment
1012 */
1013 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
1014 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
1015 OPJ_UINT32 len);
1016
1017 /**
1018 * Reads an unknown marker
1019 *
1020 * @param p_j2k the jpeg2000 codec.
1021 * @param p_stream the stream object to read from.
1022 * @param output_marker FIXME DOC
1023 * @param p_manager the user event manager.
1024 *
1025 * @return true if the marker could be deduced.
1026 */
1027 static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
1028 opj_stream_private_t *p_stream,
1029 OPJ_UINT32 *output_marker,
1030 opj_event_mgr_t * p_manager);
1031
1032 /**
1033 * Writes the MCT marker (Multiple Component Transform)
1034 *
1035 * @param p_j2k J2K codec.
1036 * @param p_mct_record FIXME DOC
1037 * @param p_stream the stream to write data to.
1038 * @param p_manager the user event manager.
1039 */
1040 static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
1041 opj_mct_data_t * p_mct_record,
1042 opj_stream_private_t *p_stream,
1043 opj_event_mgr_t * p_manager);
1044
1045 /**
1046 * Reads a MCT marker (Multiple Component Transform)
1047 *
1048 * @param p_header_data the data contained in the MCT box.
1049 * @param p_j2k the jpeg2000 codec.
1050 * @param p_header_size the size of the data contained in the MCT marker.
1051 * @param p_manager the user event manager.
1052 */
1053 static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
1054 OPJ_BYTE * p_header_data,
1055 OPJ_UINT32 p_header_size,
1056 opj_event_mgr_t * p_manager);
1057
1058 /**
1059 * Writes the MCC marker (Multiple Component Collection)
1060 *
1061 * @param p_j2k J2K codec.
1062 * @param p_mcc_record FIXME DOC
1063 * @param p_stream the stream to write data to.
1064 * @param p_manager the user event manager.
1065 */
1066 static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
1067 opj_simple_mcc_decorrelation_data_t * p_mcc_record,
1068 opj_stream_private_t *p_stream,
1069 opj_event_mgr_t * p_manager);
1070
1071 /**
1072 * Reads a MCC marker (Multiple Component Collection)
1073 *
1074 * @param p_header_data the data contained in the MCC box.
1075 * @param p_j2k the jpeg2000 codec.
1076 * @param p_header_size the size of the data contained in the MCC marker.
1077 * @param p_manager the user event manager.
1078 */
1079 static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
1080 OPJ_BYTE * p_header_data,
1081 OPJ_UINT32 p_header_size,
1082 opj_event_mgr_t * p_manager);
1083
1084 /**
1085 * Writes the MCO marker (Multiple component transformation ordering)
1086 *
1087 * @param p_stream the stream to write data to.
1088 * @param p_j2k J2K codec.
1089 * @param p_manager the user event manager.
1090 */
1091 static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
1092 opj_stream_private_t *p_stream,
1093 opj_event_mgr_t * p_manager);
1094
1095 /**
1096 * Reads a MCO marker (Multiple Component Transform Ordering)
1097 *
1098 * @param p_header_data the data contained in the MCO box.
1099 * @param p_j2k the jpeg2000 codec.
1100 * @param p_header_size the size of the data contained in the MCO marker.
1101 * @param p_manager the user event manager.
1102 */
1103 static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
1104 OPJ_BYTE * p_header_data,
1105 OPJ_UINT32 p_header_size,
1106 opj_event_mgr_t * p_manager);
1107
1108 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
1109 OPJ_UINT32 p_index);
1110
1111 static void opj_j2k_read_int16_to_float(const void * p_src_data,
1112 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1113 static void opj_j2k_read_int32_to_float(const void * p_src_data,
1114 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1115 static void opj_j2k_read_float32_to_float(const void * p_src_data,
1116 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1117 static void opj_j2k_read_float64_to_float(const void * p_src_data,
1118 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1119
1120 static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1121 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1122 static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1123 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1124 static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1125 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1126 static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1127 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1128
1129 static void opj_j2k_write_float_to_int16(const void * p_src_data,
1130 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1131 static void opj_j2k_write_float_to_int32(const void * p_src_data,
1132 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1133 static void opj_j2k_write_float_to_float(const void * p_src_data,
1134 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1135 static void opj_j2k_write_float_to_float64(const void * p_src_data,
1136 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1137
1138 /**
1139 * Ends the encoding, i.e. frees memory.
1140 *
1141 * @param p_stream the stream to write data to.
1142 * @param p_j2k J2K codec.
1143 * @param p_manager the user event manager.
1144 */
1145 static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
1146 opj_stream_private_t *p_stream,
1147 opj_event_mgr_t * p_manager);
1148
1149 /**
1150 * Writes the CBD marker (Component bit depth definition)
1151 *
1152 * @param p_stream the stream to write data to.
1153 * @param p_j2k J2K codec.
1154 * @param p_manager the user event manager.
1155 */
1156 static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
1157 opj_stream_private_t *p_stream,
1158 opj_event_mgr_t * p_manager);
1159
1160 /**
1161 * Reads a CBD marker (Component bit depth definition)
1162 * @param p_header_data the data contained in the CBD box.
1163 * @param p_j2k the jpeg2000 codec.
1164 * @param p_header_size the size of the data contained in the CBD marker.
1165 * @param p_manager the user event manager.
1166 */
1167 static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
1168 OPJ_BYTE * p_header_data,
1169 OPJ_UINT32 p_header_size,
1170 opj_event_mgr_t * p_manager);
1171
1172
1173 /**
1174 * Writes COC marker for each component.
1175 *
1176 * @param p_stream the stream to write data to.
1177 * @param p_j2k J2K codec.
1178 * @param p_manager the user event manager.
1179 */
1180 static OPJ_BOOL opj_j2k_write_all_coc(opj_j2k_t *p_j2k,
1181 opj_stream_private_t *p_stream,
1182 opj_event_mgr_t * p_manager);
1183
1184 /**
1185 * Writes QCC marker for each component.
1186 *
1187 * @param p_stream the stream to write data to.
1188 * @param p_j2k J2K codec.
1189 * @param p_manager the user event manager.
1190 */
1191 static OPJ_BOOL opj_j2k_write_all_qcc(opj_j2k_t *p_j2k,
1192 opj_stream_private_t *p_stream,
1193 opj_event_mgr_t * p_manager);
1194
1195 /**
1196 * Writes regions of interests.
1197 *
1198 * @param p_stream the stream to write data to.
1199 * @param p_j2k J2K codec.
1200 * @param p_manager the user event manager.
1201 */
1202 static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
1203 opj_stream_private_t *p_stream,
1204 opj_event_mgr_t * p_manager);
1205
1206 /**
1207 * Writes EPC ????
1208 *
1209 * @param p_stream the stream to write data to.
1210 * @param p_j2k J2K codec.
1211 * @param p_manager the user event manager.
1212 */
1213 static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
1214 opj_stream_private_t *p_stream,
1215 opj_event_mgr_t * p_manager);
1216
1217 /**
1218 * Checks the progression order changes values. Tells of the poc given as input are valid.
1219 * A nice message is outputted at errors.
1220 *
1221 * @param p_pocs the progression order changes.
1222 * @param p_nb_pocs the number of progression order changes.
1223 * @param p_nb_resolutions the number of resolutions.
1224 * @param numcomps the number of components
1225 * @param numlayers the number of layers.
1226 * @param p_manager the user event manager.
1227 *
1228 * @return true if the pocs are valid.
1229 */
1230 static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
1231 OPJ_UINT32 p_nb_pocs,
1232 OPJ_UINT32 p_nb_resolutions,
1233 OPJ_UINT32 numcomps,
1234 OPJ_UINT32 numlayers,
1235 opj_event_mgr_t * p_manager);
1236
1237 /**
1238 * Gets the number of tile parts used for the given change of progression (if any) and the given tile.
1239 *
1240 * @param cp the coding parameters.
1241 * @param pino the offset of the given poc (i.e. its position in the coding parameter).
1242 * @param tileno the given tile.
1243 *
1244 * @return the number of tile parts.
1245 */
1246 static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
1247 OPJ_UINT32 tileno);
1248
1249 /**
1250 * Calculates the total number of tile parts needed by the encoder to
1251 * encode such an image. If not enough memory is available, then the function return false.
1252 *
1253 * @param p_nb_tiles pointer that will hold the number of tile parts.
1254 * @param cp the coding parameters for the image.
1255 * @param image the image to encode.
1256 * @param p_j2k the p_j2k encoder.
1257 * @param p_manager the user event manager.
1258 *
1259 * @return true if the function was successful, false else.
1260 */
1261 static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
1262 opj_cp_t *cp,
1263 OPJ_UINT32 * p_nb_tiles,
1264 opj_image_t *image,
1265 opj_event_mgr_t * p_manager);
1266
1267 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream);
1268
1269 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream);
1270
1271 static opj_codestream_index_t* opj_j2k_create_cstr_index(void);
1272
1273 static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp);
1274
1275 static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp);
1276
1277 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres);
1278
1279 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
1280 opj_image_t *image, opj_event_mgr_t *p_manager);
1281
1282 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
1283 opj_event_mgr_t *p_manager);
1284
1285 /**
1286 * Checks for invalid number of tile-parts in SOT marker (TPsot==TNsot). See issue 254.
1287 *
1288 * @param p_stream the stream to read data from.
1289 * @param tile_no tile number we're looking for.
1290 * @param p_correction_needed output value. if true, non conformant codestream needs TNsot correction.
1291 * @param p_manager the user event manager.
1292 *
1293 * @return true if the function was successful, false else.
1294 */
1295 static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
1296 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
1297 opj_event_mgr_t * p_manager);
1298
1299 /*@}*/
1300
1301 /*@}*/
1302
1303 /* ----------------------------------------------------------------------- */
1304 typedef struct j2k_prog_order {
1305 OPJ_PROG_ORDER enum_prog;
1306 char str_prog[5];
1307 } j2k_prog_order_t;
1308
1309 static const j2k_prog_order_t j2k_prog_order_list[] = {
1310 {OPJ_CPRL, "CPRL"},
1311 {OPJ_LRCP, "LRCP"},
1312 {OPJ_PCRL, "PCRL"},
1313 {OPJ_RLCP, "RLCP"},
1314 {OPJ_RPCL, "RPCL"},
1315 {(OPJ_PROG_ORDER) - 1, ""}
1316 };
1317
1318 /**
1319 * FIXME DOC
1320 */
1321 static const OPJ_UINT32 MCT_ELEMENT_SIZE [] = {
1322 2,
1323 4,
1324 4,
1325 8
1326 };
1327
1328 typedef void (* opj_j2k_mct_function)(const void * p_src_data,
1329 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1330
1331 static const opj_j2k_mct_function j2k_mct_read_functions_to_float [] = {
1332 opj_j2k_read_int16_to_float,
1333 opj_j2k_read_int32_to_float,
1334 opj_j2k_read_float32_to_float,
1335 opj_j2k_read_float64_to_float
1336 };
1337
1338 static const opj_j2k_mct_function j2k_mct_read_functions_to_int32 [] = {
1339 opj_j2k_read_int16_to_int32,
1340 opj_j2k_read_int32_to_int32,
1341 opj_j2k_read_float32_to_int32,
1342 opj_j2k_read_float64_to_int32
1343 };
1344
1345 static const opj_j2k_mct_function j2k_mct_write_functions_from_float [] = {
1346 opj_j2k_write_float_to_int16,
1347 opj_j2k_write_float_to_int32,
1348 opj_j2k_write_float_to_float,
1349 opj_j2k_write_float_to_float64
1350 };
1351
1352 typedef struct opj_dec_memory_marker_handler {
1353 /** marker value */
1354 OPJ_UINT32 id;
1355 /** value of the state when the marker can appear */
1356 OPJ_UINT32 states;
1357 /** action linked to the marker */
1358 OPJ_BOOL(*handler)(opj_j2k_t *p_j2k,
1359 OPJ_BYTE * p_header_data,
1360 OPJ_UINT32 p_header_size,
1361 opj_event_mgr_t * p_manager);
1362 }
1363 opj_dec_memory_marker_handler_t;
1364
1365 static const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab [] =
1366 {
1367 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, opj_j2k_read_sot},
1368 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_cod},
1369 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_coc},
1370 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_rgn},
1371 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcd},
1372 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcc},
1373 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_poc},
1374 {J2K_MS_SIZ, J2K_STATE_MHSIZ, opj_j2k_read_siz},
1375 {J2K_MS_TLM, J2K_STATE_MH, opj_j2k_read_tlm},
1376 {J2K_MS_PLM, J2K_STATE_MH, opj_j2k_read_plm},
1377 {J2K_MS_PLT, J2K_STATE_TPH, opj_j2k_read_plt},
1378 {J2K_MS_PPM, J2K_STATE_MH, opj_j2k_read_ppm},
1379 {J2K_MS_PPT, J2K_STATE_TPH, opj_j2k_read_ppt},
1380 {J2K_MS_SOP, 0, 0},
1381 {J2K_MS_CRG, J2K_STATE_MH, opj_j2k_read_crg},
1382 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_com},
1383 {J2K_MS_MCT, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mct},
1384 {J2K_MS_CBD, J2K_STATE_MH, opj_j2k_read_cbd},
1385 {J2K_MS_MCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mcc},
1386 {J2K_MS_MCO, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mco},
1387 #ifdef USE_JPWL
1388 #ifdef TODO_MS /* remove these functions which are not commpatible with the v2 API */
1389 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1390 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1391 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1392 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1393 #endif
1394 #endif /* USE_JPWL */
1395 #ifdef USE_JPSEC
1396 {J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec},
1397 {J2K_MS_INSEC, 0, j2k_read_insec}
1398 #endif /* USE_JPSEC */
1399 {J2K_MS_UNK, J2K_STATE_MH | J2K_STATE_TPH, 0}/*opj_j2k_read_unk is directly used*/
1400 };
1401
opj_j2k_read_int16_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1402 static void opj_j2k_read_int16_to_float(const void * p_src_data,
1403 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1404 {
1405 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1406 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1407 OPJ_UINT32 i;
1408 OPJ_UINT32 l_temp;
1409
1410 for (i = 0; i < p_nb_elem; ++i) {
1411 opj_read_bytes(l_src_data, &l_temp, 2);
1412
1413 l_src_data += sizeof(OPJ_INT16);
1414
1415 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1416 }
1417 }
1418
opj_j2k_read_int32_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1419 static void opj_j2k_read_int32_to_float(const void * p_src_data,
1420 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1421 {
1422 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1423 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1424 OPJ_UINT32 i;
1425 OPJ_UINT32 l_temp;
1426
1427 for (i = 0; i < p_nb_elem; ++i) {
1428 opj_read_bytes(l_src_data, &l_temp, 4);
1429
1430 l_src_data += sizeof(OPJ_INT32);
1431
1432 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1433 }
1434 }
1435
opj_j2k_read_float32_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1436 static void opj_j2k_read_float32_to_float(const void * p_src_data,
1437 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1438 {
1439 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1440 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1441 OPJ_UINT32 i;
1442 OPJ_FLOAT32 l_temp;
1443
1444 for (i = 0; i < p_nb_elem; ++i) {
1445 opj_read_float(l_src_data, &l_temp);
1446
1447 l_src_data += sizeof(OPJ_FLOAT32);
1448
1449 *(l_dest_data++) = l_temp;
1450 }
1451 }
1452
opj_j2k_read_float64_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1453 static void opj_j2k_read_float64_to_float(const void * p_src_data,
1454 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1455 {
1456 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1457 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1458 OPJ_UINT32 i;
1459 OPJ_FLOAT64 l_temp;
1460
1461 for (i = 0; i < p_nb_elem; ++i) {
1462 opj_read_double(l_src_data, &l_temp);
1463
1464 l_src_data += sizeof(OPJ_FLOAT64);
1465
1466 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1467 }
1468 }
1469
opj_j2k_read_int16_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1470 static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1471 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1472 {
1473 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1474 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1475 OPJ_UINT32 i;
1476 OPJ_UINT32 l_temp;
1477
1478 for (i = 0; i < p_nb_elem; ++i) {
1479 opj_read_bytes(l_src_data, &l_temp, 2);
1480
1481 l_src_data += sizeof(OPJ_INT16);
1482
1483 *(l_dest_data++) = (OPJ_INT32) l_temp;
1484 }
1485 }
1486
opj_j2k_read_int32_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1487 static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1488 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1489 {
1490 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1491 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1492 OPJ_UINT32 i;
1493 OPJ_UINT32 l_temp;
1494
1495 for (i = 0; i < p_nb_elem; ++i) {
1496 opj_read_bytes(l_src_data, &l_temp, 4);
1497
1498 l_src_data += sizeof(OPJ_INT32);
1499
1500 *(l_dest_data++) = (OPJ_INT32) l_temp;
1501 }
1502 }
1503
opj_j2k_read_float32_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1504 static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1505 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1506 {
1507 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1508 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1509 OPJ_UINT32 i;
1510 OPJ_FLOAT32 l_temp;
1511
1512 for (i = 0; i < p_nb_elem; ++i) {
1513 opj_read_float(l_src_data, &l_temp);
1514
1515 l_src_data += sizeof(OPJ_FLOAT32);
1516
1517 *(l_dest_data++) = (OPJ_INT32) l_temp;
1518 }
1519 }
1520
opj_j2k_read_float64_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1521 static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1522 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1523 {
1524 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1525 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1526 OPJ_UINT32 i;
1527 OPJ_FLOAT64 l_temp;
1528
1529 for (i = 0; i < p_nb_elem; ++i) {
1530 opj_read_double(l_src_data, &l_temp);
1531
1532 l_src_data += sizeof(OPJ_FLOAT64);
1533
1534 *(l_dest_data++) = (OPJ_INT32) l_temp;
1535 }
1536 }
1537
opj_j2k_write_float_to_int16(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1538 static void opj_j2k_write_float_to_int16(const void * p_src_data,
1539 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1540 {
1541 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1542 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1543 OPJ_UINT32 i;
1544 OPJ_UINT32 l_temp;
1545
1546 for (i = 0; i < p_nb_elem; ++i) {
1547 l_temp = (OPJ_UINT32) * (l_src_data++);
1548
1549 opj_write_bytes(l_dest_data, l_temp, sizeof(OPJ_INT16));
1550
1551 l_dest_data += sizeof(OPJ_INT16);
1552 }
1553 }
1554
opj_j2k_write_float_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1555 static void opj_j2k_write_float_to_int32(const void * p_src_data,
1556 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1557 {
1558 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1559 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1560 OPJ_UINT32 i;
1561 OPJ_UINT32 l_temp;
1562
1563 for (i = 0; i < p_nb_elem; ++i) {
1564 l_temp = (OPJ_UINT32) * (l_src_data++);
1565
1566 opj_write_bytes(l_dest_data, l_temp, sizeof(OPJ_INT32));
1567
1568 l_dest_data += sizeof(OPJ_INT32);
1569 }
1570 }
1571
opj_j2k_write_float_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1572 static void opj_j2k_write_float_to_float(const void * p_src_data,
1573 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1574 {
1575 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1576 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1577 OPJ_UINT32 i;
1578 OPJ_FLOAT32 l_temp;
1579
1580 for (i = 0; i < p_nb_elem; ++i) {
1581 l_temp = (OPJ_FLOAT32) * (l_src_data++);
1582
1583 opj_write_float(l_dest_data, l_temp);
1584
1585 l_dest_data += sizeof(OPJ_FLOAT32);
1586 }
1587 }
1588
opj_j2k_write_float_to_float64(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1589 static void opj_j2k_write_float_to_float64(const void * p_src_data,
1590 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1591 {
1592 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1593 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1594 OPJ_UINT32 i;
1595 OPJ_FLOAT64 l_temp;
1596
1597 for (i = 0; i < p_nb_elem; ++i) {
1598 l_temp = (OPJ_FLOAT64) * (l_src_data++);
1599
1600 opj_write_double(l_dest_data, l_temp);
1601
1602 l_dest_data += sizeof(OPJ_FLOAT64);
1603 }
1604 }
1605
opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)1606 const char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)
1607 {
1608 const j2k_prog_order_t *po;
1609 for (po = j2k_prog_order_list; po->enum_prog != -1; po++) {
1610 if (po->enum_prog == prg_order) {
1611 return po->str_prog;
1612 }
1613 }
1614 return po->str_prog;
1615 }
1616
opj_j2k_check_poc_val(const opj_poc_t * p_pocs,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)1617 static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
1618 OPJ_UINT32 p_nb_pocs,
1619 OPJ_UINT32 p_nb_resolutions,
1620 OPJ_UINT32 p_num_comps,
1621 OPJ_UINT32 p_num_layers,
1622 opj_event_mgr_t * p_manager)
1623 {
1624 OPJ_UINT32* packet_array;
1625 OPJ_UINT32 index, resno, compno, layno;
1626 OPJ_UINT32 i;
1627 OPJ_UINT32 step_c = 1;
1628 OPJ_UINT32 step_r = p_num_comps * step_c;
1629 OPJ_UINT32 step_l = p_nb_resolutions * step_r;
1630 OPJ_BOOL loss = OPJ_FALSE;
1631 OPJ_UINT32 layno0 = 0;
1632
1633 packet_array = (OPJ_UINT32*) opj_calloc(step_l * p_num_layers,
1634 sizeof(OPJ_UINT32));
1635 if (packet_array == 00) {
1636 opj_event_msg(p_manager, EVT_ERROR,
1637 "Not enough memory for checking the poc values.\n");
1638 return OPJ_FALSE;
1639 }
1640
1641 if (p_nb_pocs == 0) {
1642 opj_free(packet_array);
1643 return OPJ_TRUE;
1644 }
1645
1646 index = step_r * p_pocs->resno0;
1647 /* take each resolution for each poc */
1648 for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) {
1649 OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
1650
1651 /* take each comp of each resolution for each poc */
1652 for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
1653 OPJ_UINT32 comp_index = res_index + layno0 * step_l;
1654
1655 /* and finally take each layer of each res of ... */
1656 for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
1657 /*index = step_r * resno + step_c * compno + step_l * layno;*/
1658 packet_array[comp_index] = 1;
1659 comp_index += step_l;
1660 }
1661
1662 res_index += step_c;
1663 }
1664
1665 index += step_r;
1666 }
1667 ++p_pocs;
1668
1669 /* iterate through all the pocs */
1670 for (i = 1; i < p_nb_pocs ; ++i) {
1671 OPJ_UINT32 l_last_layno1 = (p_pocs - 1)->layno1 ;
1672
1673 layno0 = (p_pocs->layno1 > l_last_layno1) ? l_last_layno1 : 0;
1674 index = step_r * p_pocs->resno0;
1675
1676 /* take each resolution for each poc */
1677 for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) {
1678 OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
1679
1680 /* take each comp of each resolution for each poc */
1681 for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
1682 OPJ_UINT32 comp_index = res_index + layno0 * step_l;
1683
1684 /* and finally take each layer of each res of ... */
1685 for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
1686 /*index = step_r * resno + step_c * compno + step_l * layno;*/
1687 packet_array[comp_index] = 1;
1688 comp_index += step_l;
1689 }
1690
1691 res_index += step_c;
1692 }
1693
1694 index += step_r;
1695 }
1696
1697 ++p_pocs;
1698 }
1699
1700 index = 0;
1701 for (layno = 0; layno < p_num_layers ; ++layno) {
1702 for (resno = 0; resno < p_nb_resolutions; ++resno) {
1703 for (compno = 0; compno < p_num_comps; ++compno) {
1704 loss |= (packet_array[index] != 1);
1705 /*index = step_r * resno + step_c * compno + step_l * layno;*/
1706 index += step_c;
1707 }
1708 }
1709 }
1710
1711 if (loss) {
1712 opj_event_msg(p_manager, EVT_ERROR, "Missing packets possible loss of data\n");
1713 }
1714
1715 opj_free(packet_array);
1716
1717 return !loss;
1718 }
1719
1720 /* ----------------------------------------------------------------------- */
1721
opj_j2k_get_num_tp(opj_cp_t * cp,OPJ_UINT32 pino,OPJ_UINT32 tileno)1722 static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
1723 OPJ_UINT32 tileno)
1724 {
1725 const OPJ_CHAR *prog = 00;
1726 OPJ_INT32 i;
1727 OPJ_UINT32 tpnum = 1;
1728 opj_tcp_t *tcp = 00;
1729 opj_poc_t * l_current_poc = 00;
1730
1731 /* preconditions */
1732 assert(tileno < (cp->tw * cp->th));
1733 assert(pino < (cp->tcps[tileno].numpocs + 1));
1734
1735 /* get the given tile coding parameter */
1736 tcp = &cp->tcps[tileno];
1737 assert(tcp != 00);
1738
1739 l_current_poc = &(tcp->pocs[pino]);
1740 assert(l_current_poc != 0);
1741
1742 /* get the progression order as a character string */
1743 prog = opj_j2k_convert_progression_order(tcp->prg);
1744 assert(strlen(prog) > 0);
1745
1746 if (cp->m_specific_param.m_enc.m_tp_on == 1) {
1747 for (i = 0; i < 4; ++i) {
1748 switch (prog[i]) {
1749 /* component wise */
1750 case 'C':
1751 tpnum *= l_current_poc->compE;
1752 break;
1753 /* resolution wise */
1754 case 'R':
1755 tpnum *= l_current_poc->resE;
1756 break;
1757 /* precinct wise */
1758 case 'P':
1759 tpnum *= l_current_poc->prcE;
1760 break;
1761 /* layer wise */
1762 case 'L':
1763 tpnum *= l_current_poc->layE;
1764 break;
1765 }
1766 /* whould we split here ? */
1767 if (cp->m_specific_param.m_enc.m_tp_flag == prog[i]) {
1768 cp->m_specific_param.m_enc.m_tp_pos = i;
1769 break;
1770 }
1771 }
1772 } else {
1773 tpnum = 1;
1774 }
1775
1776 return tpnum;
1777 }
1778
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)1779 static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
1780 opj_cp_t *cp,
1781 OPJ_UINT32 * p_nb_tiles,
1782 opj_image_t *image,
1783 opj_event_mgr_t * p_manager
1784 )
1785 {
1786 OPJ_UINT32 pino, tileno;
1787 OPJ_UINT32 l_nb_tiles;
1788 opj_tcp_t *tcp;
1789
1790 /* preconditions */
1791 assert(p_nb_tiles != 00);
1792 assert(cp != 00);
1793 assert(image != 00);
1794 assert(p_j2k != 00);
1795 assert(p_manager != 00);
1796
1797 OPJ_UNUSED(p_j2k);
1798 OPJ_UNUSED(p_manager);
1799
1800 l_nb_tiles = cp->tw * cp->th;
1801 * p_nb_tiles = 0;
1802 tcp = cp->tcps;
1803
1804 /* INDEX >> */
1805 /* TODO mergeV2: check this part which use cstr_info */
1806 /*if (p_j2k->cstr_info) {
1807 opj_tile_info_t * l_info_tile_ptr = p_j2k->cstr_info->tile;
1808
1809 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1810 OPJ_UINT32 cur_totnum_tp = 0;
1811
1812 opj_pi_update_encoding_parameters(image,cp,tileno);
1813
1814 for (pino = 0; pino <= tcp->numpocs; ++pino)
1815 {
1816 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp,pino,tileno);
1817
1818 *p_nb_tiles = *p_nb_tiles + tp_num;
1819
1820 cur_totnum_tp += tp_num;
1821 }
1822
1823 tcp->m_nb_tile_parts = cur_totnum_tp;
1824
1825 l_info_tile_ptr->tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
1826 if (l_info_tile_ptr->tp == 00) {
1827 return OPJ_FALSE;
1828 }
1829
1830 memset(l_info_tile_ptr->tp,0,cur_totnum_tp * sizeof(opj_tp_info_t));
1831
1832 l_info_tile_ptr->num_tps = cur_totnum_tp;
1833
1834 ++l_info_tile_ptr;
1835 ++tcp;
1836 }
1837 }
1838 else */{
1839 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1840 OPJ_UINT32 cur_totnum_tp = 0;
1841
1842 opj_pi_update_encoding_parameters(image, cp, tileno);
1843
1844 for (pino = 0; pino <= tcp->numpocs; ++pino) {
1845 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp, pino, tileno);
1846
1847 *p_nb_tiles = *p_nb_tiles + tp_num;
1848
1849 cur_totnum_tp += tp_num;
1850 }
1851 tcp->m_nb_tile_parts = cur_totnum_tp;
1852
1853 ++tcp;
1854 }
1855 }
1856
1857 return OPJ_TRUE;
1858 }
1859
opj_j2k_write_soc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1860 static OPJ_BOOL opj_j2k_write_soc(opj_j2k_t *p_j2k,
1861 opj_stream_private_t *p_stream,
1862 opj_event_mgr_t * p_manager)
1863 {
1864 /* 2 bytes will be written */
1865 OPJ_BYTE * l_start_stream = 00;
1866
1867 /* preconditions */
1868 assert(p_stream != 00);
1869 assert(p_j2k != 00);
1870 assert(p_manager != 00);
1871
1872 l_start_stream = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
1873
1874 /* write SOC identifier */
1875 opj_write_bytes(l_start_stream, J2K_MS_SOC, 2);
1876
1877 if (opj_stream_write_data(p_stream, l_start_stream, 2, p_manager) != 2) {
1878 return OPJ_FALSE;
1879 }
1880
1881 /* UniPG>> */
1882 #ifdef USE_JPWL
1883 /* update markers struct */
1884 /*
1885 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOC, p_stream_tell(p_stream) - 2, 2);
1886 */
1887 assert(0 && "TODO");
1888 #endif /* USE_JPWL */
1889 /* <<UniPG */
1890
1891 return OPJ_TRUE;
1892 }
1893
1894 /**
1895 * Reads a SOC marker (Start of Codestream)
1896 * @param p_j2k the jpeg2000 file codec.
1897 * @param p_stream FIXME DOC
1898 * @param p_manager the user event manager.
1899 */
opj_j2k_read_soc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1900 static OPJ_BOOL opj_j2k_read_soc(opj_j2k_t *p_j2k,
1901 opj_stream_private_t *p_stream,
1902 opj_event_mgr_t * p_manager
1903 )
1904 {
1905 OPJ_BYTE l_data [2];
1906 OPJ_UINT32 l_marker;
1907
1908 /* preconditions */
1909 assert(p_j2k != 00);
1910 assert(p_manager != 00);
1911 assert(p_stream != 00);
1912
1913 if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
1914 return OPJ_FALSE;
1915 }
1916
1917 opj_read_bytes(l_data, &l_marker, 2);
1918 if (l_marker != J2K_MS_SOC) {
1919 return OPJ_FALSE;
1920 }
1921
1922 /* Next marker should be a SIZ marker in the main header */
1923 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSIZ;
1924
1925 /* FIXME move it in a index structure included in p_j2k*/
1926 p_j2k->cstr_index->main_head_start = opj_stream_tell(p_stream) - 2;
1927
1928 opj_event_msg(p_manager, EVT_INFO,
1929 "Start to read j2k main header (%" PRId64 ").\n",
1930 p_j2k->cstr_index->main_head_start);
1931
1932 /* Add the marker to the codestream index*/
1933 if (OPJ_FALSE == opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_SOC,
1934 p_j2k->cstr_index->main_head_start, 2)) {
1935 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
1936 return OPJ_FALSE;
1937 }
1938 return OPJ_TRUE;
1939 }
1940
opj_j2k_write_siz(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1941 static OPJ_BOOL opj_j2k_write_siz(opj_j2k_t *p_j2k,
1942 opj_stream_private_t *p_stream,
1943 opj_event_mgr_t * p_manager)
1944 {
1945 OPJ_UINT32 i;
1946 OPJ_UINT32 l_size_len;
1947 OPJ_BYTE * l_current_ptr;
1948 opj_image_t * l_image = 00;
1949 opj_cp_t *cp = 00;
1950 opj_image_comp_t * l_img_comp = 00;
1951
1952 /* preconditions */
1953 assert(p_stream != 00);
1954 assert(p_j2k != 00);
1955 assert(p_manager != 00);
1956
1957 l_image = p_j2k->m_private_image;
1958 cp = &(p_j2k->m_cp);
1959 l_size_len = 40 + 3 * l_image->numcomps;
1960 l_img_comp = l_image->comps;
1961
1962 if (l_size_len > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
1963
1964 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
1965 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len);
1966 if (! new_header_tile_data) {
1967 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
1968 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
1969 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
1970 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory for the SIZ marker\n");
1971 return OPJ_FALSE;
1972 }
1973 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
1974 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_size_len;
1975 }
1976
1977 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
1978
1979 /* write SOC identifier */
1980 opj_write_bytes(l_current_ptr, J2K_MS_SIZ, 2); /* SIZ */
1981 l_current_ptr += 2;
1982
1983 opj_write_bytes(l_current_ptr, l_size_len - 2, 2); /* L_SIZ */
1984 l_current_ptr += 2;
1985
1986 opj_write_bytes(l_current_ptr, cp->rsiz, 2); /* Rsiz (capabilities) */
1987 l_current_ptr += 2;
1988
1989 opj_write_bytes(l_current_ptr, l_image->x1, 4); /* Xsiz */
1990 l_current_ptr += 4;
1991
1992 opj_write_bytes(l_current_ptr, l_image->y1, 4); /* Ysiz */
1993 l_current_ptr += 4;
1994
1995 opj_write_bytes(l_current_ptr, l_image->x0, 4); /* X0siz */
1996 l_current_ptr += 4;
1997
1998 opj_write_bytes(l_current_ptr, l_image->y0, 4); /* Y0siz */
1999 l_current_ptr += 4;
2000
2001 opj_write_bytes(l_current_ptr, cp->tdx, 4); /* XTsiz */
2002 l_current_ptr += 4;
2003
2004 opj_write_bytes(l_current_ptr, cp->tdy, 4); /* YTsiz */
2005 l_current_ptr += 4;
2006
2007 opj_write_bytes(l_current_ptr, cp->tx0, 4); /* XT0siz */
2008 l_current_ptr += 4;
2009
2010 opj_write_bytes(l_current_ptr, cp->ty0, 4); /* YT0siz */
2011 l_current_ptr += 4;
2012
2013 opj_write_bytes(l_current_ptr, l_image->numcomps, 2); /* Csiz */
2014 l_current_ptr += 2;
2015
2016 for (i = 0; i < l_image->numcomps; ++i) {
2017 /* TODO here with MCT ? */
2018 opj_write_bytes(l_current_ptr, l_img_comp->prec - 1 + (l_img_comp->sgnd << 7),
2019 1); /* Ssiz_i */
2020 ++l_current_ptr;
2021
2022 opj_write_bytes(l_current_ptr, l_img_comp->dx, 1); /* XRsiz_i */
2023 ++l_current_ptr;
2024
2025 opj_write_bytes(l_current_ptr, l_img_comp->dy, 1); /* YRsiz_i */
2026 ++l_current_ptr;
2027
2028 ++l_img_comp;
2029 }
2030
2031 if (opj_stream_write_data(p_stream,
2032 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len,
2033 p_manager) != l_size_len) {
2034 return OPJ_FALSE;
2035 }
2036
2037 return OPJ_TRUE;
2038 }
2039
2040 /**
2041 * Reads a SIZ marker (image and tile size)
2042 * @param p_j2k the jpeg2000 file codec.
2043 * @param p_header_data the data contained in the SIZ box.
2044 * @param p_header_size the size of the data contained in the SIZ marker.
2045 * @param p_manager the user event manager.
2046 */
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)2047 static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
2048 OPJ_BYTE * p_header_data,
2049 OPJ_UINT32 p_header_size,
2050 opj_event_mgr_t * p_manager
2051 )
2052 {
2053 OPJ_UINT32 i;
2054 OPJ_UINT32 l_nb_comp;
2055 OPJ_UINT32 l_nb_comp_remain;
2056 OPJ_UINT32 l_remaining_size;
2057 OPJ_UINT32 l_nb_tiles;
2058 OPJ_UINT32 l_tmp, l_tx1, l_ty1;
2059 OPJ_UINT32 l_prec0, l_sgnd0;
2060 opj_image_t *l_image = 00;
2061 opj_cp_t *l_cp = 00;
2062 opj_image_comp_t * l_img_comp = 00;
2063 opj_tcp_t * l_current_tile_param = 00;
2064
2065 /* preconditions */
2066 assert(p_j2k != 00);
2067 assert(p_manager != 00);
2068 assert(p_header_data != 00);
2069
2070 l_image = p_j2k->m_private_image;
2071 l_cp = &(p_j2k->m_cp);
2072
2073 /* minimum size == 39 - 3 (= minimum component parameter) */
2074 if (p_header_size < 36) {
2075 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
2076 return OPJ_FALSE;
2077 }
2078
2079 l_remaining_size = p_header_size - 36;
2080 l_nb_comp = l_remaining_size / 3;
2081 l_nb_comp_remain = l_remaining_size % 3;
2082 if (l_nb_comp_remain != 0) {
2083 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
2084 return OPJ_FALSE;
2085 }
2086
2087 opj_read_bytes(p_header_data, &l_tmp,
2088 2); /* Rsiz (capabilities) */
2089 p_header_data += 2;
2090 l_cp->rsiz = (OPJ_UINT16) l_tmp;
2091 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x1, 4); /* Xsiz */
2092 p_header_data += 4;
2093 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y1, 4); /* Ysiz */
2094 p_header_data += 4;
2095 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x0, 4); /* X0siz */
2096 p_header_data += 4;
2097 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y0, 4); /* Y0siz */
2098 p_header_data += 4;
2099 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdx,
2100 4); /* XTsiz */
2101 p_header_data += 4;
2102 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdy,
2103 4); /* YTsiz */
2104 p_header_data += 4;
2105 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tx0,
2106 4); /* XT0siz */
2107 p_header_data += 4;
2108 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->ty0,
2109 4); /* YT0siz */
2110 p_header_data += 4;
2111 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_tmp,
2112 2); /* Csiz */
2113 p_header_data += 2;
2114 if (l_tmp < 16385) {
2115 l_image->numcomps = (OPJ_UINT16) l_tmp;
2116 } else {
2117 opj_event_msg(p_manager, EVT_ERROR,
2118 "Error with SIZ marker: number of component is illegal -> %d\n", l_tmp);
2119 return OPJ_FALSE;
2120 }
2121
2122 if (l_image->numcomps != l_nb_comp) {
2123 opj_event_msg(p_manager, EVT_ERROR,
2124 "Error with SIZ marker: number of component is not compatible with the remaining number of parameters ( %d vs %d)\n",
2125 l_image->numcomps, l_nb_comp);
2126 return OPJ_FALSE;
2127 }
2128
2129 /* testcase 4035.pdf.SIGSEGV.d8b.3375 */
2130 /* testcase issue427-null-image-size.jp2 */
2131 if ((l_image->x0 >= l_image->x1) || (l_image->y0 >= l_image->y1)) {
2132 opj_event_msg(p_manager, EVT_ERROR,
2133 "Error with SIZ marker: negative or zero image size (%" PRId64 " x %" PRId64
2134 ")\n", (OPJ_INT64)l_image->x1 - l_image->x0,
2135 (OPJ_INT64)l_image->y1 - l_image->y0);
2136 return OPJ_FALSE;
2137 }
2138 /* testcase 2539.pdf.SIGFPE.706.1712 (also 3622.pdf.SIGFPE.706.2916 and 4008.pdf.SIGFPE.706.3345 and maybe more) */
2139 if ((l_cp->tdx == 0U) || (l_cp->tdy == 0U)) {
2140 opj_event_msg(p_manager, EVT_ERROR,
2141 "Error with SIZ marker: invalid tile size (tdx: %d, tdy: %d)\n", l_cp->tdx,
2142 l_cp->tdy);
2143 return OPJ_FALSE;
2144 }
2145
2146 /* testcase issue427-illegal-tile-offset.jp2 */
2147 l_tx1 = opj_uint_adds(l_cp->tx0, l_cp->tdx); /* manage overflow */
2148 l_ty1 = opj_uint_adds(l_cp->ty0, l_cp->tdy); /* manage overflow */
2149 if ((l_cp->tx0 > l_image->x0) || (l_cp->ty0 > l_image->y0) ||
2150 (l_tx1 <= l_image->x0) || (l_ty1 <= l_image->y0)) {
2151 opj_event_msg(p_manager, EVT_ERROR,
2152 "Error with SIZ marker: illegal tile offset\n");
2153 return OPJ_FALSE;
2154 }
2155 if (!p_j2k->dump_state) {
2156 OPJ_UINT32 siz_w, siz_h;
2157
2158 siz_w = l_image->x1 - l_image->x0;
2159 siz_h = l_image->y1 - l_image->y0;
2160
2161 if (p_j2k->ihdr_w > 0 && p_j2k->ihdr_h > 0
2162 && (p_j2k->ihdr_w != siz_w || p_j2k->ihdr_h != siz_h)) {
2163 opj_event_msg(p_manager, EVT_ERROR,
2164 "Error with SIZ marker: IHDR w(%u) h(%u) vs. SIZ w(%u) h(%u)\n", p_j2k->ihdr_w,
2165 p_j2k->ihdr_h, siz_w, siz_h);
2166 return OPJ_FALSE;
2167 }
2168 }
2169 #ifdef USE_JPWL
2170 if (l_cp->correct) {
2171 /* if JPWL is on, we check whether TX errors have damaged
2172 too much the SIZ parameters */
2173 if (!(l_image->x1 * l_image->y1)) {
2174 opj_event_msg(p_manager, EVT_ERROR,
2175 "JPWL: bad image size (%d x %d)\n",
2176 l_image->x1, l_image->y1);
2177 if (!JPWL_ASSUME) {
2178 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2179 return OPJ_FALSE;
2180 }
2181 }
2182
2183 /* FIXME check previously in the function so why keep this piece of code ? Need by the norm ?
2184 if (l_image->numcomps != ((len - 38) / 3)) {
2185 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2186 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
2187 l_image->numcomps, ((len - 38) / 3));
2188 if (!JPWL_ASSUME) {
2189 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2190 return OPJ_FALSE;
2191 }
2192 */ /* we try to correct */
2193 /* opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n");
2194 if (l_image->numcomps < ((len - 38) / 3)) {
2195 len = 38 + 3 * l_image->numcomps;
2196 opj_event_msg(p_manager, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
2197 len);
2198 } else {
2199 l_image->numcomps = ((len - 38) / 3);
2200 opj_event_msg(p_manager, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
2201 l_image->numcomps);
2202 }
2203 }
2204 */
2205
2206 /* update components number in the jpwl_exp_comps filed */
2207 l_cp->exp_comps = l_image->numcomps;
2208 }
2209 #endif /* USE_JPWL */
2210
2211 /* Allocate the resulting image components */
2212 l_image->comps = (opj_image_comp_t*) opj_calloc(l_image->numcomps,
2213 sizeof(opj_image_comp_t));
2214 if (l_image->comps == 00) {
2215 l_image->numcomps = 0;
2216 opj_event_msg(p_manager, EVT_ERROR,
2217 "Not enough memory to take in charge SIZ marker\n");
2218 return OPJ_FALSE;
2219 }
2220
2221 l_img_comp = l_image->comps;
2222
2223 l_prec0 = 0;
2224 l_sgnd0 = 0;
2225 /* Read the component information */
2226 for (i = 0; i < l_image->numcomps; ++i) {
2227 OPJ_UINT32 tmp;
2228 opj_read_bytes(p_header_data, &tmp, 1); /* Ssiz_i */
2229 ++p_header_data;
2230 l_img_comp->prec = (tmp & 0x7f) + 1;
2231 l_img_comp->sgnd = tmp >> 7;
2232
2233 if (p_j2k->dump_state == 0) {
2234 if (i == 0) {
2235 l_prec0 = l_img_comp->prec;
2236 l_sgnd0 = l_img_comp->sgnd;
2237 } else if (!l_cp->allow_different_bit_depth_sign
2238 && (l_img_comp->prec != l_prec0 || l_img_comp->sgnd != l_sgnd0)) {
2239 opj_event_msg(p_manager, EVT_WARNING,
2240 "Despite JP2 BPC!=255, precision and/or sgnd values for comp[%d] is different than comp[0]:\n"
2241 " [0] prec(%d) sgnd(%d) [%d] prec(%d) sgnd(%d)\n", i, l_prec0, l_sgnd0,
2242 i, l_img_comp->prec, l_img_comp->sgnd);
2243 }
2244 /* TODO: we should perhaps also check against JP2 BPCC values */
2245 }
2246 opj_read_bytes(p_header_data, &tmp, 1); /* XRsiz_i */
2247 ++p_header_data;
2248 l_img_comp->dx = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2249 opj_read_bytes(p_header_data, &tmp, 1); /* YRsiz_i */
2250 ++p_header_data;
2251 l_img_comp->dy = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2252 if (l_img_comp->dx < 1 || l_img_comp->dx > 255 ||
2253 l_img_comp->dy < 1 || l_img_comp->dy > 255) {
2254 opj_event_msg(p_manager, EVT_ERROR,
2255 "Invalid values for comp = %d : dx=%u dy=%u (should be between 1 and 255 according to the JPEG2000 norm)\n",
2256 i, l_img_comp->dx, l_img_comp->dy);
2257 return OPJ_FALSE;
2258 }
2259 /* Avoids later undefined shift in computation of */
2260 /* p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2261 << (l_image->comps[i].prec - 1); */
2262 if (l_img_comp->prec > 31) {
2263 opj_event_msg(p_manager, EVT_ERROR,
2264 "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",
2265 i, l_img_comp->prec);
2266 return OPJ_FALSE;
2267 }
2268 #ifdef USE_JPWL
2269 if (l_cp->correct) {
2270 /* if JPWL is on, we check whether TX errors have damaged
2271 too much the SIZ parameters, again */
2272 if (!(l_image->comps[i].dx * l_image->comps[i].dy)) {
2273 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2274 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
2275 i, i, l_image->comps[i].dx, l_image->comps[i].dy);
2276 if (!JPWL_ASSUME) {
2277 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2278 return OPJ_FALSE;
2279 }
2280 /* we try to correct */
2281 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2282 if (!l_image->comps[i].dx) {
2283 l_image->comps[i].dx = 1;
2284 opj_event_msg(p_manager, EVT_WARNING,
2285 "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
2286 i, l_image->comps[i].dx);
2287 }
2288 if (!l_image->comps[i].dy) {
2289 l_image->comps[i].dy = 1;
2290 opj_event_msg(p_manager, EVT_WARNING,
2291 "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
2292 i, l_image->comps[i].dy);
2293 }
2294 }
2295 }
2296 #endif /* USE_JPWL */
2297 l_img_comp->resno_decoded =
2298 0; /* number of resolution decoded */
2299 l_img_comp->factor =
2300 l_cp->m_specific_param.m_dec.m_reduce; /* reducing factor per component */
2301 ++l_img_comp;
2302 }
2303
2304 if (l_cp->tdx == 0 || l_cp->tdy == 0) {
2305 return OPJ_FALSE;
2306 }
2307
2308 /* Compute the number of tiles */
2309 l_cp->tw = opj_uint_ceildiv(l_image->x1 - l_cp->tx0, l_cp->tdx);
2310 l_cp->th = opj_uint_ceildiv(l_image->y1 - l_cp->ty0, l_cp->tdy);
2311
2312 /* Check that the number of tiles is valid */
2313 if (l_cp->tw == 0 || l_cp->th == 0 || l_cp->tw > 65535 / l_cp->th) {
2314 opj_event_msg(p_manager, EVT_ERROR,
2315 "Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
2316 l_cp->tw, l_cp->th);
2317 return OPJ_FALSE;
2318 }
2319 l_nb_tiles = l_cp->tw * l_cp->th;
2320
2321 /* Define the tiles which will be decoded */
2322 if (p_j2k->m_specific_param.m_decoder.m_discard_tiles) {
2323 p_j2k->m_specific_param.m_decoder.m_start_tile_x =
2324 (p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
2325 p_j2k->m_specific_param.m_decoder.m_start_tile_y =
2326 (p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
2327 p_j2k->m_specific_param.m_decoder.m_end_tile_x = opj_uint_ceildiv(
2328 p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0, l_cp->tdx);
2329 p_j2k->m_specific_param.m_decoder.m_end_tile_y = opj_uint_ceildiv(
2330 p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0, l_cp->tdy);
2331 } else {
2332 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
2333 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
2334 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
2335 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
2336 }
2337
2338 #ifdef USE_JPWL
2339 if (l_cp->correct) {
2340 /* if JPWL is on, we check whether TX errors have damaged
2341 too much the SIZ parameters */
2342 if ((l_cp->tw < 1) || (l_cp->th < 1) || (l_cp->tw > l_cp->max_tiles) ||
2343 (l_cp->th > l_cp->max_tiles)) {
2344 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2345 "JPWL: bad number of tiles (%d x %d)\n",
2346 l_cp->tw, l_cp->th);
2347 if (!JPWL_ASSUME) {
2348 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2349 return OPJ_FALSE;
2350 }
2351 /* we try to correct */
2352 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2353 if (l_cp->tw < 1) {
2354 l_cp->tw = 1;
2355 opj_event_msg(p_manager, EVT_WARNING,
2356 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2357 l_cp->tw);
2358 }
2359 if (l_cp->tw > l_cp->max_tiles) {
2360 l_cp->tw = 1;
2361 opj_event_msg(p_manager, EVT_WARNING,
2362 "- too large x, increase expectance of %d\n"
2363 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2364 l_cp->max_tiles, l_cp->tw);
2365 }
2366 if (l_cp->th < 1) {
2367 l_cp->th = 1;
2368 opj_event_msg(p_manager, EVT_WARNING,
2369 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2370 l_cp->th);
2371 }
2372 if (l_cp->th > l_cp->max_tiles) {
2373 l_cp->th = 1;
2374 opj_event_msg(p_manager, EVT_WARNING,
2375 "- too large y, increase expectance of %d to continue\n",
2376 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2377 l_cp->max_tiles, l_cp->th);
2378 }
2379 }
2380 }
2381 #endif /* USE_JPWL */
2382
2383 /* memory allocations */
2384 l_cp->tcps = (opj_tcp_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_t));
2385 if (l_cp->tcps == 00) {
2386 opj_event_msg(p_manager, EVT_ERROR,
2387 "Not enough memory to take in charge SIZ marker\n");
2388 return OPJ_FALSE;
2389 }
2390
2391 #ifdef USE_JPWL
2392 if (l_cp->correct) {
2393 if (!l_cp->tcps) {
2394 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2395 "JPWL: could not alloc tcps field of cp\n");
2396 if (!JPWL_ASSUME) {
2397 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2398 return OPJ_FALSE;
2399 }
2400 }
2401 }
2402 #endif /* USE_JPWL */
2403
2404 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps =
2405 (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t));
2406 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps == 00) {
2407 opj_event_msg(p_manager, EVT_ERROR,
2408 "Not enough memory to take in charge SIZ marker\n");
2409 return OPJ_FALSE;
2410 }
2411
2412 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records =
2413 (opj_mct_data_t*)opj_calloc(OPJ_J2K_MCT_DEFAULT_NB_RECORDS,
2414 sizeof(opj_mct_data_t));
2415
2416 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records) {
2417 opj_event_msg(p_manager, EVT_ERROR,
2418 "Not enough memory to take in charge SIZ marker\n");
2419 return OPJ_FALSE;
2420 }
2421 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records =
2422 OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
2423
2424 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records =
2425 (opj_simple_mcc_decorrelation_data_t*)
2426 opj_calloc(OPJ_J2K_MCC_DEFAULT_NB_RECORDS,
2427 sizeof(opj_simple_mcc_decorrelation_data_t));
2428
2429 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records) {
2430 opj_event_msg(p_manager, EVT_ERROR,
2431 "Not enough memory to take in charge SIZ marker\n");
2432 return OPJ_FALSE;
2433 }
2434 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records =
2435 OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
2436
2437 /* set up default dc level shift */
2438 for (i = 0; i < l_image->numcomps; ++i) {
2439 if (! l_image->comps[i].sgnd) {
2440 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2441 << (l_image->comps[i].prec - 1);
2442 }
2443 }
2444
2445 l_current_tile_param = l_cp->tcps;
2446 for (i = 0; i < l_nb_tiles; ++i) {
2447 l_current_tile_param->tccps = (opj_tccp_t*) opj_calloc(l_image->numcomps,
2448 sizeof(opj_tccp_t));
2449 if (l_current_tile_param->tccps == 00) {
2450 opj_event_msg(p_manager, EVT_ERROR,
2451 "Not enough memory to take in charge SIZ marker\n");
2452 return OPJ_FALSE;
2453 }
2454
2455 ++l_current_tile_param;
2456 }
2457
2458 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MH;
2459 opj_image_comp_header_update(l_image, l_cp);
2460
2461 return OPJ_TRUE;
2462 }
2463
opj_j2k_write_com(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2464 static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
2465 opj_stream_private_t *p_stream,
2466 opj_event_mgr_t * p_manager
2467 )
2468 {
2469 OPJ_UINT32 l_comment_size;
2470 OPJ_UINT32 l_total_com_size;
2471 const OPJ_CHAR *l_comment;
2472 OPJ_BYTE * l_current_ptr = 00;
2473
2474 /* preconditions */
2475 assert(p_j2k != 00);
2476 assert(p_stream != 00);
2477 assert(p_manager != 00);
2478
2479 l_comment = p_j2k->m_cp.comment;
2480 l_comment_size = (OPJ_UINT32)strlen(l_comment);
2481 l_total_com_size = l_comment_size + 6;
2482
2483 if (l_total_com_size >
2484 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2485 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2486 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size);
2487 if (! new_header_tile_data) {
2488 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2489 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2490 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2491 opj_event_msg(p_manager, EVT_ERROR,
2492 "Not enough memory to write the COM marker\n");
2493 return OPJ_FALSE;
2494 }
2495 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2496 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_total_com_size;
2497 }
2498
2499 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2500
2501 opj_write_bytes(l_current_ptr, J2K_MS_COM, 2); /* COM */
2502 l_current_ptr += 2;
2503
2504 opj_write_bytes(l_current_ptr, l_total_com_size - 2, 2); /* L_COM */
2505 l_current_ptr += 2;
2506
2507 opj_write_bytes(l_current_ptr, 1,
2508 2); /* General use (IS 8859-15:1999 (Latin) values) */
2509 l_current_ptr += 2;
2510
2511 memcpy(l_current_ptr, l_comment, l_comment_size);
2512
2513 if (opj_stream_write_data(p_stream,
2514 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size,
2515 p_manager) != l_total_com_size) {
2516 return OPJ_FALSE;
2517 }
2518
2519 return OPJ_TRUE;
2520 }
2521
2522 /**
2523 * Reads a COM marker (comments)
2524 * @param p_j2k the jpeg2000 file codec.
2525 * @param p_header_data the data contained in the COM box.
2526 * @param p_header_size the size of the data contained in the COM marker.
2527 * @param p_manager the user event manager.
2528 */
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)2529 static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
2530 OPJ_BYTE * p_header_data,
2531 OPJ_UINT32 p_header_size,
2532 opj_event_mgr_t * p_manager
2533 )
2534 {
2535 /* preconditions */
2536 assert(p_j2k != 00);
2537 assert(p_manager != 00);
2538 assert(p_header_data != 00);
2539
2540 OPJ_UNUSED(p_j2k);
2541 OPJ_UNUSED(p_header_data);
2542 OPJ_UNUSED(p_header_size);
2543 OPJ_UNUSED(p_manager);
2544
2545 return OPJ_TRUE;
2546 }
2547
opj_j2k_write_cod(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2548 static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
2549 opj_stream_private_t *p_stream,
2550 opj_event_mgr_t * p_manager)
2551 {
2552 opj_cp_t *l_cp = 00;
2553 opj_tcp_t *l_tcp = 00;
2554 OPJ_UINT32 l_code_size, l_remaining_size;
2555 OPJ_BYTE * l_current_data = 00;
2556
2557 /* preconditions */
2558 assert(p_j2k != 00);
2559 assert(p_manager != 00);
2560 assert(p_stream != 00);
2561
2562 l_cp = &(p_j2k->m_cp);
2563 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2564 l_code_size = 9 + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2565 p_j2k->m_current_tile_number, 0);
2566 l_remaining_size = l_code_size;
2567
2568 if (l_code_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2569 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2570 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size);
2571 if (! new_header_tile_data) {
2572 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2573 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2574 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2575 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COD marker\n");
2576 return OPJ_FALSE;
2577 }
2578 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2579 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_code_size;
2580 }
2581
2582 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2583
2584 opj_write_bytes(l_current_data, J2K_MS_COD, 2); /* COD */
2585 l_current_data += 2;
2586
2587 opj_write_bytes(l_current_data, l_code_size - 2, 2); /* L_COD */
2588 l_current_data += 2;
2589
2590 opj_write_bytes(l_current_data, l_tcp->csty, 1); /* Scod */
2591 ++l_current_data;
2592
2593 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tcp->prg, 1); /* SGcod (A) */
2594 ++l_current_data;
2595
2596 opj_write_bytes(l_current_data, l_tcp->numlayers, 2); /* SGcod (B) */
2597 l_current_data += 2;
2598
2599 opj_write_bytes(l_current_data, l_tcp->mct, 1); /* SGcod (C) */
2600 ++l_current_data;
2601
2602 l_remaining_size -= 9;
2603
2604 if (! opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
2605 l_current_data, &l_remaining_size, p_manager)) {
2606 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2607 return OPJ_FALSE;
2608 }
2609
2610 if (l_remaining_size != 0) {
2611 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2612 return OPJ_FALSE;
2613 }
2614
2615 if (opj_stream_write_data(p_stream,
2616 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size,
2617 p_manager) != l_code_size) {
2618 return OPJ_FALSE;
2619 }
2620
2621 return OPJ_TRUE;
2622 }
2623
2624 /**
2625 * Reads a COD marker (Coding style defaults)
2626 * @param p_header_data the data contained in the COD box.
2627 * @param p_j2k the jpeg2000 codec.
2628 * @param p_header_size the size of the data contained in the COD marker.
2629 * @param p_manager the user event manager.
2630 */
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)2631 static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
2632 OPJ_BYTE * p_header_data,
2633 OPJ_UINT32 p_header_size,
2634 opj_event_mgr_t * p_manager
2635 )
2636 {
2637 /* loop */
2638 OPJ_UINT32 i;
2639 OPJ_UINT32 l_tmp;
2640 opj_cp_t *l_cp = 00;
2641 opj_tcp_t *l_tcp = 00;
2642 opj_image_t *l_image = 00;
2643
2644 /* preconditions */
2645 assert(p_header_data != 00);
2646 assert(p_j2k != 00);
2647 assert(p_manager != 00);
2648
2649 l_image = p_j2k->m_private_image;
2650 l_cp = &(p_j2k->m_cp);
2651
2652 /* If we are in the first tile-part header of the current tile */
2653 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
2654 &l_cp->tcps[p_j2k->m_current_tile_number] :
2655 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2656
2657 #if 0
2658 /* This check was added per https://github.com/uclouvain/openjpeg/commit/daed8cc9195555e101ab708a501af2dfe6d5e001 */
2659 /* but this is no longer necessary to handle issue476.jp2 */
2660 /* and this actually cause issues on legit files. See https://github.com/uclouvain/openjpeg/issues/1043 */
2661 /* Only one COD per tile */
2662 if (l_tcp->cod) {
2663 opj_event_msg(p_manager, EVT_ERROR,
2664 "COD marker already read. No more than one COD marker per tile.\n");
2665 return OPJ_FALSE;
2666 }
2667 #endif
2668 l_tcp->cod = 1;
2669
2670 /* Make sure room is sufficient */
2671 if (p_header_size < 5) {
2672 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2673 return OPJ_FALSE;
2674 }
2675
2676 opj_read_bytes(p_header_data, &l_tcp->csty, 1); /* Scod */
2677 ++p_header_data;
2678 /* Make sure we know how to decode this */
2679 if ((l_tcp->csty & ~(OPJ_UINT32)(J2K_CP_CSTY_PRT | J2K_CP_CSTY_SOP |
2680 J2K_CP_CSTY_EPH)) != 0U) {
2681 opj_event_msg(p_manager, EVT_ERROR, "Unknown Scod value in COD marker\n");
2682 return OPJ_FALSE;
2683 }
2684 opj_read_bytes(p_header_data, &l_tmp, 1); /* SGcod (A) */
2685 ++p_header_data;
2686 l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;
2687 /* Make sure progression order is valid */
2688 if (l_tcp->prg > OPJ_CPRL) {
2689 opj_event_msg(p_manager, EVT_ERROR,
2690 "Unknown progression order in COD marker\n");
2691 l_tcp->prg = OPJ_PROG_UNKNOWN;
2692 }
2693 opj_read_bytes(p_header_data, &l_tcp->numlayers, 2); /* SGcod (B) */
2694 p_header_data += 2;
2695
2696 if ((l_tcp->numlayers < 1U) || (l_tcp->numlayers > 65535U)) {
2697 opj_event_msg(p_manager, EVT_ERROR,
2698 "Invalid number of layers in COD marker : %d not in range [1-65535]\n",
2699 l_tcp->numlayers);
2700 return OPJ_FALSE;
2701 }
2702
2703 /* If user didn't set a number layer to decode take the max specify in the codestream. */
2704 if (l_cp->m_specific_param.m_dec.m_layer) {
2705 l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer;
2706 } else {
2707 l_tcp->num_layers_to_decode = l_tcp->numlayers;
2708 }
2709
2710 opj_read_bytes(p_header_data, &l_tcp->mct, 1); /* SGcod (C) */
2711 ++p_header_data;
2712
2713 p_header_size -= 5;
2714 for (i = 0; i < l_image->numcomps; ++i) {
2715 l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT;
2716 }
2717
2718 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, 0, p_header_data, &p_header_size,
2719 p_manager)) {
2720 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2721 return OPJ_FALSE;
2722 }
2723
2724 if (p_header_size != 0) {
2725 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2726 return OPJ_FALSE;
2727 }
2728
2729 /* Apply the coding style to other components of the current tile or the m_default_tcp*/
2730 opj_j2k_copy_tile_component_parameters(p_j2k);
2731
2732 /* Index */
2733 #ifdef WIP_REMOVE_MSD
2734 if (p_j2k->cstr_info) {
2735 /*opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info;*/
2736 p_j2k->cstr_info->prog = l_tcp->prg;
2737 p_j2k->cstr_info->numlayers = l_tcp->numlayers;
2738 p_j2k->cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(
2739 l_image->numcomps * sizeof(OPJ_UINT32));
2740 if (!p_j2k->cstr_info->numdecompos) {
2741 return OPJ_FALSE;
2742 }
2743 for (i = 0; i < l_image->numcomps; ++i) {
2744 p_j2k->cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1;
2745 }
2746 }
2747 #endif
2748
2749 return OPJ_TRUE;
2750 }
2751
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)2752 static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
2753 OPJ_UINT32 p_comp_no,
2754 opj_stream_private_t *p_stream,
2755 opj_event_mgr_t * p_manager)
2756 {
2757 OPJ_UINT32 l_coc_size, l_remaining_size;
2758 OPJ_UINT32 l_comp_room;
2759
2760 /* preconditions */
2761 assert(p_j2k != 00);
2762 assert(p_manager != 00);
2763 assert(p_stream != 00);
2764
2765 l_comp_room = (p_j2k->m_private_image->numcomps <= 256) ? 1 : 2;
2766
2767 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2768 p_j2k->m_current_tile_number, p_comp_no);
2769
2770 if (l_coc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2771 OPJ_BYTE *new_header_tile_data;
2772 /*p_j2k->m_specific_param.m_encoder.m_header_tile_data
2773 = (OPJ_BYTE*)opj_realloc(
2774 p_j2k->m_specific_param.m_encoder.m_header_tile_data,
2775 l_coc_size);*/
2776
2777 new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2778 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size);
2779 if (! new_header_tile_data) {
2780 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2781 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2782 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2783 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COC marker\n");
2784 return OPJ_FALSE;
2785 }
2786 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2787 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size;
2788 }
2789
2790 opj_j2k_write_coc_in_memory(p_j2k, p_comp_no,
2791 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
2792 p_manager);
2793
2794 if (opj_stream_write_data(p_stream,
2795 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size,
2796 p_manager) != l_coc_size) {
2797 return OPJ_FALSE;
2798 }
2799
2800 return OPJ_TRUE;
2801 }
2802
opj_j2k_compare_coc(opj_j2k_t * p_j2k,OPJ_UINT32 p_first_comp_no,OPJ_UINT32 p_second_comp_no)2803 static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
2804 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
2805 {
2806 opj_cp_t *l_cp = NULL;
2807 opj_tcp_t *l_tcp = NULL;
2808
2809 /* preconditions */
2810 assert(p_j2k != 00);
2811
2812 l_cp = &(p_j2k->m_cp);
2813 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2814
2815 if (l_tcp->tccps[p_first_comp_no].csty != l_tcp->tccps[p_second_comp_no].csty) {
2816 return OPJ_FALSE;
2817 }
2818
2819
2820 return opj_j2k_compare_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number,
2821 p_first_comp_no, p_second_comp_no);
2822 }
2823
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)2824 static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
2825 OPJ_UINT32 p_comp_no,
2826 OPJ_BYTE * p_data,
2827 OPJ_UINT32 * p_data_written,
2828 opj_event_mgr_t * p_manager
2829 )
2830 {
2831 opj_cp_t *l_cp = 00;
2832 opj_tcp_t *l_tcp = 00;
2833 OPJ_UINT32 l_coc_size, l_remaining_size;
2834 OPJ_BYTE * l_current_data = 00;
2835 opj_image_t *l_image = 00;
2836 OPJ_UINT32 l_comp_room;
2837
2838 /* preconditions */
2839 assert(p_j2k != 00);
2840 assert(p_manager != 00);
2841
2842 l_cp = &(p_j2k->m_cp);
2843 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2844 l_image = p_j2k->m_private_image;
2845 l_comp_room = (l_image->numcomps <= 256) ? 1 : 2;
2846
2847 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2848 p_j2k->m_current_tile_number, p_comp_no);
2849 l_remaining_size = l_coc_size;
2850
2851 l_current_data = p_data;
2852
2853 opj_write_bytes(l_current_data, J2K_MS_COC,
2854 2); /* COC */
2855 l_current_data += 2;
2856
2857 opj_write_bytes(l_current_data, l_coc_size - 2,
2858 2); /* L_COC */
2859 l_current_data += 2;
2860
2861 opj_write_bytes(l_current_data, p_comp_no, l_comp_room); /* Ccoc */
2862 l_current_data += l_comp_room;
2863
2864 opj_write_bytes(l_current_data, l_tcp->tccps[p_comp_no].csty,
2865 1); /* Scoc */
2866 ++l_current_data;
2867
2868 l_remaining_size -= (5 + l_comp_room);
2869 opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
2870 l_current_data, &l_remaining_size, p_manager);
2871 * p_data_written = l_coc_size;
2872 }
2873
opj_j2k_get_max_coc_size(opj_j2k_t * p_j2k)2874 static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k)
2875 {
2876 OPJ_UINT32 i, j;
2877 OPJ_UINT32 l_nb_comp;
2878 OPJ_UINT32 l_nb_tiles;
2879 OPJ_UINT32 l_max = 0;
2880
2881 /* preconditions */
2882
2883 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
2884 l_nb_comp = p_j2k->m_private_image->numcomps;
2885
2886 for (i = 0; i < l_nb_tiles; ++i) {
2887 for (j = 0; j < l_nb_comp; ++j) {
2888 l_max = opj_uint_max(l_max, opj_j2k_get_SPCod_SPCoc_size(p_j2k, i, j));
2889 }
2890 }
2891
2892 return 6 + l_max;
2893 }
2894
2895 /**
2896 * Reads a COC marker (Coding Style Component)
2897 * @param p_header_data the data contained in the COC box.
2898 * @param p_j2k the jpeg2000 codec.
2899 * @param p_header_size the size of the data contained in the COC marker.
2900 * @param p_manager the user event manager.
2901 */
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)2902 static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
2903 OPJ_BYTE * p_header_data,
2904 OPJ_UINT32 p_header_size,
2905 opj_event_mgr_t * p_manager
2906 )
2907 {
2908 opj_cp_t *l_cp = NULL;
2909 opj_tcp_t *l_tcp = NULL;
2910 opj_image_t *l_image = NULL;
2911 OPJ_UINT32 l_comp_room;
2912 OPJ_UINT32 l_comp_no;
2913
2914 /* preconditions */
2915 assert(p_header_data != 00);
2916 assert(p_j2k != 00);
2917 assert(p_manager != 00);
2918
2919 l_cp = &(p_j2k->m_cp);
2920 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
2921 ?
2922 &l_cp->tcps[p_j2k->m_current_tile_number] :
2923 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2924 l_image = p_j2k->m_private_image;
2925
2926 l_comp_room = l_image->numcomps <= 256 ? 1 : 2;
2927
2928 /* make sure room is sufficient*/
2929 if (p_header_size < l_comp_room + 1) {
2930 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2931 return OPJ_FALSE;
2932 }
2933 p_header_size -= l_comp_room + 1;
2934
2935 opj_read_bytes(p_header_data, &l_comp_no,
2936 l_comp_room); /* Ccoc */
2937 p_header_data += l_comp_room;
2938 if (l_comp_no >= l_image->numcomps) {
2939 opj_event_msg(p_manager, EVT_ERROR,
2940 "Error reading COC marker (bad number of components)\n");
2941 return OPJ_FALSE;
2942 }
2943
2944 opj_read_bytes(p_header_data, &l_tcp->tccps[l_comp_no].csty,
2945 1); /* Scoc */
2946 ++p_header_data ;
2947
2948 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, l_comp_no, p_header_data, &p_header_size,
2949 p_manager)) {
2950 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2951 return OPJ_FALSE;
2952 }
2953
2954 if (p_header_size != 0) {
2955 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2956 return OPJ_FALSE;
2957 }
2958 return OPJ_TRUE;
2959 }
2960
opj_j2k_write_qcd(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2961 static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
2962 opj_stream_private_t *p_stream,
2963 opj_event_mgr_t * p_manager
2964 )
2965 {
2966 OPJ_UINT32 l_qcd_size, l_remaining_size;
2967 OPJ_BYTE * l_current_data = 00;
2968
2969 /* preconditions */
2970 assert(p_j2k != 00);
2971 assert(p_manager != 00);
2972 assert(p_stream != 00);
2973
2974 l_qcd_size = 4 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
2975 0);
2976 l_remaining_size = l_qcd_size;
2977
2978 if (l_qcd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2979 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2980 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size);
2981 if (! new_header_tile_data) {
2982 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2983 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2984 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2985 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCD marker\n");
2986 return OPJ_FALSE;
2987 }
2988 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2989 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcd_size;
2990 }
2991
2992 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2993
2994 opj_write_bytes(l_current_data, J2K_MS_QCD, 2); /* QCD */
2995 l_current_data += 2;
2996
2997 opj_write_bytes(l_current_data, l_qcd_size - 2, 2); /* L_QCD */
2998 l_current_data += 2;
2999
3000 l_remaining_size -= 4;
3001
3002 if (! opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, 0,
3003 l_current_data, &l_remaining_size, p_manager)) {
3004 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
3005 return OPJ_FALSE;
3006 }
3007
3008 if (l_remaining_size != 0) {
3009 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
3010 return OPJ_FALSE;
3011 }
3012
3013 if (opj_stream_write_data(p_stream,
3014 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size,
3015 p_manager) != l_qcd_size) {
3016 return OPJ_FALSE;
3017 }
3018
3019 return OPJ_TRUE;
3020 }
3021
3022 /**
3023 * Reads a QCD marker (Quantization defaults)
3024 * @param p_header_data the data contained in the QCD box.
3025 * @param p_j2k the jpeg2000 codec.
3026 * @param p_header_size the size of the data contained in the QCD marker.
3027 * @param p_manager the user event manager.
3028 */
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)3029 static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
3030 OPJ_BYTE * p_header_data,
3031 OPJ_UINT32 p_header_size,
3032 opj_event_mgr_t * p_manager
3033 )
3034 {
3035 /* preconditions */
3036 assert(p_header_data != 00);
3037 assert(p_j2k != 00);
3038 assert(p_manager != 00);
3039
3040 if (! opj_j2k_read_SQcd_SQcc(p_j2k, 0, p_header_data, &p_header_size,
3041 p_manager)) {
3042 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
3043 return OPJ_FALSE;
3044 }
3045
3046 if (p_header_size != 0) {
3047 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
3048 return OPJ_FALSE;
3049 }
3050
3051 /* Apply the quantization parameters to other components of the current tile or the m_default_tcp */
3052 opj_j2k_copy_tile_quantization_parameters(p_j2k);
3053
3054 return OPJ_TRUE;
3055 }
3056
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)3057 static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
3058 OPJ_UINT32 p_comp_no,
3059 opj_stream_private_t *p_stream,
3060 opj_event_mgr_t * p_manager
3061 )
3062 {
3063 OPJ_UINT32 l_qcc_size, l_remaining_size;
3064
3065 /* preconditions */
3066 assert(p_j2k != 00);
3067 assert(p_manager != 00);
3068 assert(p_stream != 00);
3069
3070 l_qcc_size = 5 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3071 p_comp_no);
3072 l_qcc_size += p_j2k->m_private_image->numcomps <= 256 ? 0 : 1;
3073 l_remaining_size = l_qcc_size;
3074
3075 if (l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3076 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3077 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size);
3078 if (! new_header_tile_data) {
3079 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3080 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3081 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3082 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCC marker\n");
3083 return OPJ_FALSE;
3084 }
3085 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3086 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size;
3087 }
3088
3089 opj_j2k_write_qcc_in_memory(p_j2k, p_comp_no,
3090 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
3091 p_manager);
3092
3093 if (opj_stream_write_data(p_stream,
3094 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size,
3095 p_manager) != l_qcc_size) {
3096 return OPJ_FALSE;
3097 }
3098
3099 return OPJ_TRUE;
3100 }
3101
opj_j2k_compare_qcc(opj_j2k_t * p_j2k,OPJ_UINT32 p_first_comp_no,OPJ_UINT32 p_second_comp_no)3102 static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
3103 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
3104 {
3105 return opj_j2k_compare_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number,
3106 p_first_comp_no, p_second_comp_no);
3107 }
3108
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)3109 static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
3110 OPJ_UINT32 p_comp_no,
3111 OPJ_BYTE * p_data,
3112 OPJ_UINT32 * p_data_written,
3113 opj_event_mgr_t * p_manager
3114 )
3115 {
3116 OPJ_UINT32 l_qcc_size, l_remaining_size;
3117 OPJ_BYTE * l_current_data = 00;
3118
3119 /* preconditions */
3120 assert(p_j2k != 00);
3121 assert(p_manager != 00);
3122
3123 l_qcc_size = 6 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3124 p_comp_no);
3125 l_remaining_size = l_qcc_size;
3126
3127 l_current_data = p_data;
3128
3129 opj_write_bytes(l_current_data, J2K_MS_QCC, 2); /* QCC */
3130 l_current_data += 2;
3131
3132 if (p_j2k->m_private_image->numcomps <= 256) {
3133 --l_qcc_size;
3134
3135 opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
3136 l_current_data += 2;
3137
3138 opj_write_bytes(l_current_data, p_comp_no, 1); /* Cqcc */
3139 ++l_current_data;
3140
3141 /* in the case only one byte is sufficient the last byte allocated is useless -> still do -6 for available */
3142 l_remaining_size -= 6;
3143 } else {
3144 opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
3145 l_current_data += 2;
3146
3147 opj_write_bytes(l_current_data, p_comp_no, 2); /* Cqcc */
3148 l_current_data += 2;
3149
3150 l_remaining_size -= 6;
3151 }
3152
3153 opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, p_comp_no,
3154 l_current_data, &l_remaining_size, p_manager);
3155
3156 *p_data_written = l_qcc_size;
3157 }
3158
opj_j2k_get_max_qcc_size(opj_j2k_t * p_j2k)3159 static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k)
3160 {
3161 return opj_j2k_get_max_coc_size(p_j2k);
3162 }
3163
3164 /**
3165 * Reads a QCC marker (Quantization component)
3166 * @param p_header_data the data contained in the QCC box.
3167 * @param p_j2k the jpeg2000 codec.
3168 * @param p_header_size the size of the data contained in the QCC marker.
3169 * @param p_manager the user event manager.
3170 */
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)3171 static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
3172 OPJ_BYTE * p_header_data,
3173 OPJ_UINT32 p_header_size,
3174 opj_event_mgr_t * p_manager
3175 )
3176 {
3177 OPJ_UINT32 l_num_comp, l_comp_no;
3178
3179 /* preconditions */
3180 assert(p_header_data != 00);
3181 assert(p_j2k != 00);
3182 assert(p_manager != 00);
3183
3184 l_num_comp = p_j2k->m_private_image->numcomps;
3185
3186 if (l_num_comp <= 256) {
3187 if (p_header_size < 1) {
3188 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3189 return OPJ_FALSE;
3190 }
3191 opj_read_bytes(p_header_data, &l_comp_no, 1);
3192 ++p_header_data;
3193 --p_header_size;
3194 } else {
3195 if (p_header_size < 2) {
3196 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3197 return OPJ_FALSE;
3198 }
3199 opj_read_bytes(p_header_data, &l_comp_no, 2);
3200 p_header_data += 2;
3201 p_header_size -= 2;
3202 }
3203
3204 #ifdef USE_JPWL
3205 if (p_j2k->m_cp.correct) {
3206
3207 static OPJ_UINT32 backup_compno = 0;
3208
3209 /* compno is negative or larger than the number of components!!! */
3210 if (/*(l_comp_no < 0) ||*/ (l_comp_no >= l_num_comp)) {
3211 opj_event_msg(p_manager, EVT_ERROR,
3212 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
3213 l_comp_no, l_num_comp);
3214 if (!JPWL_ASSUME) {
3215 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
3216 return OPJ_FALSE;
3217 }
3218 /* we try to correct */
3219 l_comp_no = backup_compno % l_num_comp;
3220 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
3221 "- setting component number to %d\n",
3222 l_comp_no);
3223 }
3224
3225 /* keep your private count of tiles */
3226 backup_compno++;
3227 };
3228 #endif /* USE_JPWL */
3229
3230 if (l_comp_no >= p_j2k->m_private_image->numcomps) {
3231 opj_event_msg(p_manager, EVT_ERROR,
3232 "Invalid component number: %d, regarding the number of components %d\n",
3233 l_comp_no, p_j2k->m_private_image->numcomps);
3234 return OPJ_FALSE;
3235 }
3236
3237 if (! opj_j2k_read_SQcd_SQcc(p_j2k, l_comp_no, p_header_data, &p_header_size,
3238 p_manager)) {
3239 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3240 return OPJ_FALSE;
3241 }
3242
3243 if (p_header_size != 0) {
3244 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3245 return OPJ_FALSE;
3246 }
3247
3248 return OPJ_TRUE;
3249 }
3250
opj_j2k_write_poc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)3251 static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
3252 opj_stream_private_t *p_stream,
3253 opj_event_mgr_t * p_manager
3254 )
3255 {
3256 OPJ_UINT32 l_nb_comp;
3257 OPJ_UINT32 l_nb_poc;
3258 OPJ_UINT32 l_poc_size;
3259 OPJ_UINT32 l_written_size = 0;
3260 opj_tcp_t *l_tcp = 00;
3261 OPJ_UINT32 l_poc_room;
3262
3263 /* preconditions */
3264 assert(p_j2k != 00);
3265 assert(p_manager != 00);
3266 assert(p_stream != 00);
3267
3268 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3269 l_nb_comp = p_j2k->m_private_image->numcomps;
3270 l_nb_poc = 1 + l_tcp->numpocs;
3271
3272 if (l_nb_comp <= 256) {
3273 l_poc_room = 1;
3274 } else {
3275 l_poc_room = 2;
3276 }
3277 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3278
3279 if (l_poc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3280 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3281 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size);
3282 if (! new_header_tile_data) {
3283 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3284 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3285 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3286 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write POC marker\n");
3287 return OPJ_FALSE;
3288 }
3289 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3290 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size;
3291 }
3292
3293 opj_j2k_write_poc_in_memory(p_j2k,
3294 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_written_size,
3295 p_manager);
3296
3297 if (opj_stream_write_data(p_stream,
3298 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size,
3299 p_manager) != l_poc_size) {
3300 return OPJ_FALSE;
3301 }
3302
3303 return OPJ_TRUE;
3304 }
3305
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)3306 static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
3307 OPJ_BYTE * p_data,
3308 OPJ_UINT32 * p_data_written,
3309 opj_event_mgr_t * p_manager
3310 )
3311 {
3312 OPJ_UINT32 i;
3313 OPJ_BYTE * l_current_data = 00;
3314 OPJ_UINT32 l_nb_comp;
3315 OPJ_UINT32 l_nb_poc;
3316 OPJ_UINT32 l_poc_size;
3317 opj_image_t *l_image = 00;
3318 opj_tcp_t *l_tcp = 00;
3319 opj_tccp_t *l_tccp = 00;
3320 opj_poc_t *l_current_poc = 00;
3321 OPJ_UINT32 l_poc_room;
3322
3323 /* preconditions */
3324 assert(p_j2k != 00);
3325 assert(p_manager != 00);
3326
3327 OPJ_UNUSED(p_manager);
3328
3329 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3330 l_tccp = &l_tcp->tccps[0];
3331 l_image = p_j2k->m_private_image;
3332 l_nb_comp = l_image->numcomps;
3333 l_nb_poc = 1 + l_tcp->numpocs;
3334
3335 if (l_nb_comp <= 256) {
3336 l_poc_room = 1;
3337 } else {
3338 l_poc_room = 2;
3339 }
3340
3341 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3342
3343 l_current_data = p_data;
3344
3345 opj_write_bytes(l_current_data, J2K_MS_POC,
3346 2); /* POC */
3347 l_current_data += 2;
3348
3349 opj_write_bytes(l_current_data, l_poc_size - 2,
3350 2); /* Lpoc */
3351 l_current_data += 2;
3352
3353 l_current_poc = l_tcp->pocs;
3354 for (i = 0; i < l_nb_poc; ++i) {
3355 opj_write_bytes(l_current_data, l_current_poc->resno0,
3356 1); /* RSpoc_i */
3357 ++l_current_data;
3358
3359 opj_write_bytes(l_current_data, l_current_poc->compno0,
3360 l_poc_room); /* CSpoc_i */
3361 l_current_data += l_poc_room;
3362
3363 opj_write_bytes(l_current_data, l_current_poc->layno1,
3364 2); /* LYEpoc_i */
3365 l_current_data += 2;
3366
3367 opj_write_bytes(l_current_data, l_current_poc->resno1,
3368 1); /* REpoc_i */
3369 ++l_current_data;
3370
3371 opj_write_bytes(l_current_data, l_current_poc->compno1,
3372 l_poc_room); /* CEpoc_i */
3373 l_current_data += l_poc_room;
3374
3375 opj_write_bytes(l_current_data, (OPJ_UINT32)l_current_poc->prg,
3376 1); /* Ppoc_i */
3377 ++l_current_data;
3378
3379 /* change the value of the max layer according to the actual number of layers in the file, components and resolutions*/
3380 l_current_poc->layno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3381 l_current_poc->layno1, (OPJ_INT32)l_tcp->numlayers);
3382 l_current_poc->resno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3383 l_current_poc->resno1, (OPJ_INT32)l_tccp->numresolutions);
3384 l_current_poc->compno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3385 l_current_poc->compno1, (OPJ_INT32)l_nb_comp);
3386
3387 ++l_current_poc;
3388 }
3389
3390 *p_data_written = l_poc_size;
3391 }
3392
opj_j2k_get_max_poc_size(opj_j2k_t * p_j2k)3393 static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k)
3394 {
3395 opj_tcp_t * l_tcp = 00;
3396 OPJ_UINT32 l_nb_tiles = 0;
3397 OPJ_UINT32 l_max_poc = 0;
3398 OPJ_UINT32 i;
3399
3400 l_tcp = p_j2k->m_cp.tcps;
3401 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
3402
3403 for (i = 0; i < l_nb_tiles; ++i) {
3404 l_max_poc = opj_uint_max(l_max_poc, l_tcp->numpocs);
3405 ++l_tcp;
3406 }
3407
3408 ++l_max_poc;
3409
3410 return 4 + 9 * l_max_poc;
3411 }
3412
opj_j2k_get_max_toc_size(opj_j2k_t * p_j2k)3413 static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k)
3414 {
3415 OPJ_UINT32 i;
3416 OPJ_UINT32 l_nb_tiles;
3417 OPJ_UINT32 l_max = 0;
3418 opj_tcp_t * l_tcp = 00;
3419
3420 l_tcp = p_j2k->m_cp.tcps;
3421 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
3422
3423 for (i = 0; i < l_nb_tiles; ++i) {
3424 l_max = opj_uint_max(l_max, l_tcp->m_nb_tile_parts);
3425
3426 ++l_tcp;
3427 }
3428
3429 return 12 * l_max;
3430 }
3431
opj_j2k_get_specific_header_sizes(opj_j2k_t * p_j2k)3432 static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k)
3433 {
3434 OPJ_UINT32 l_nb_bytes = 0;
3435 OPJ_UINT32 l_nb_comps;
3436 OPJ_UINT32 l_coc_bytes, l_qcc_bytes;
3437
3438 l_nb_comps = p_j2k->m_private_image->numcomps - 1;
3439 l_nb_bytes += opj_j2k_get_max_toc_size(p_j2k);
3440
3441 if (!(OPJ_IS_CINEMA(p_j2k->m_cp.rsiz))) {
3442 l_coc_bytes = opj_j2k_get_max_coc_size(p_j2k);
3443 l_nb_bytes += l_nb_comps * l_coc_bytes;
3444
3445 l_qcc_bytes = opj_j2k_get_max_qcc_size(p_j2k);
3446 l_nb_bytes += l_nb_comps * l_qcc_bytes;
3447 }
3448
3449 l_nb_bytes += opj_j2k_get_max_poc_size(p_j2k);
3450
3451 /*** DEVELOPER CORNER, Add room for your headers ***/
3452
3453 return l_nb_bytes;
3454 }
3455
3456 /**
3457 * Reads a POC marker (Progression Order Change)
3458 *
3459 * @param p_header_data the data contained in the POC box.
3460 * @param p_j2k the jpeg2000 codec.
3461 * @param p_header_size the size of the data contained in the POC marker.
3462 * @param p_manager the user event manager.
3463 */
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)3464 static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
3465 OPJ_BYTE * p_header_data,
3466 OPJ_UINT32 p_header_size,
3467 opj_event_mgr_t * p_manager
3468 )
3469 {
3470 OPJ_UINT32 i, l_nb_comp, l_tmp;
3471 opj_image_t * l_image = 00;
3472 OPJ_UINT32 l_old_poc_nb, l_current_poc_nb, l_current_poc_remaining;
3473 OPJ_UINT32 l_chunk_size, l_comp_room;
3474
3475 opj_cp_t *l_cp = 00;
3476 opj_tcp_t *l_tcp = 00;
3477 opj_poc_t *l_current_poc = 00;
3478
3479 /* preconditions */
3480 assert(p_header_data != 00);
3481 assert(p_j2k != 00);
3482 assert(p_manager != 00);
3483
3484 l_image = p_j2k->m_private_image;
3485 l_nb_comp = l_image->numcomps;
3486 if (l_nb_comp <= 256) {
3487 l_comp_room = 1;
3488 } else {
3489 l_comp_room = 2;
3490 }
3491 l_chunk_size = 5 + 2 * l_comp_room;
3492 l_current_poc_nb = p_header_size / l_chunk_size;
3493 l_current_poc_remaining = p_header_size % l_chunk_size;
3494
3495 if ((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0)) {
3496 opj_event_msg(p_manager, EVT_ERROR, "Error reading POC marker\n");
3497 return OPJ_FALSE;
3498 }
3499
3500 l_cp = &(p_j2k->m_cp);
3501 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
3502 &l_cp->tcps[p_j2k->m_current_tile_number] :
3503 p_j2k->m_specific_param.m_decoder.m_default_tcp;
3504 l_old_poc_nb = l_tcp->POC ? l_tcp->numpocs + 1 : 0;
3505 l_current_poc_nb += l_old_poc_nb;
3506
3507 if (l_current_poc_nb >= J2K_MAX_POCS) {
3508 opj_event_msg(p_manager, EVT_ERROR, "Too many POCs %d\n", l_current_poc_nb);
3509 return OPJ_FALSE;
3510 }
3511
3512 /* now poc is in use.*/
3513 l_tcp->POC = 1;
3514
3515 l_current_poc = &l_tcp->pocs[l_old_poc_nb];
3516 for (i = l_old_poc_nb; i < l_current_poc_nb; ++i) {
3517 opj_read_bytes(p_header_data, &(l_current_poc->resno0),
3518 1); /* RSpoc_i */
3519 ++p_header_data;
3520 opj_read_bytes(p_header_data, &(l_current_poc->compno0),
3521 l_comp_room); /* CSpoc_i */
3522 p_header_data += l_comp_room;
3523 opj_read_bytes(p_header_data, &(l_current_poc->layno1),
3524 2); /* LYEpoc_i */
3525 /* make sure layer end is in acceptable bounds */
3526 l_current_poc->layno1 = opj_uint_min(l_current_poc->layno1, l_tcp->numlayers);
3527 p_header_data += 2;
3528 opj_read_bytes(p_header_data, &(l_current_poc->resno1),
3529 1); /* REpoc_i */
3530 ++p_header_data;
3531 opj_read_bytes(p_header_data, &(l_current_poc->compno1),
3532 l_comp_room); /* CEpoc_i */
3533 p_header_data += l_comp_room;
3534 opj_read_bytes(p_header_data, &l_tmp,
3535 1); /* Ppoc_i */
3536 ++p_header_data;
3537 l_current_poc->prg = (OPJ_PROG_ORDER) l_tmp;
3538 /* make sure comp is in acceptable bounds */
3539 l_current_poc->compno1 = opj_uint_min(l_current_poc->compno1, l_nb_comp);
3540 ++l_current_poc;
3541 }
3542
3543 l_tcp->numpocs = l_current_poc_nb - 1;
3544 return OPJ_TRUE;
3545 }
3546
3547 /**
3548 * Reads a CRG marker (Component registration)
3549 *
3550 * @param p_header_data the data contained in the TLM box.
3551 * @param p_j2k the jpeg2000 codec.
3552 * @param p_header_size the size of the data contained in the TLM marker.
3553 * @param p_manager the user event manager.
3554 */
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)3555 static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
3556 OPJ_BYTE * p_header_data,
3557 OPJ_UINT32 p_header_size,
3558 opj_event_mgr_t * p_manager
3559 )
3560 {
3561 OPJ_UINT32 l_nb_comp;
3562 /* preconditions */
3563 assert(p_header_data != 00);
3564 assert(p_j2k != 00);
3565 assert(p_manager != 00);
3566
3567 OPJ_UNUSED(p_header_data);
3568
3569 l_nb_comp = p_j2k->m_private_image->numcomps;
3570
3571 if (p_header_size != l_nb_comp * 4) {
3572 opj_event_msg(p_manager, EVT_ERROR, "Error reading CRG marker\n");
3573 return OPJ_FALSE;
3574 }
3575 /* Do not care of this at the moment since only local variables are set here */
3576 /*
3577 for
3578 (i = 0; i < l_nb_comp; ++i)
3579 {
3580 opj_read_bytes(p_header_data,&l_Xcrg_i,2); // Xcrg_i
3581 p_header_data+=2;
3582 opj_read_bytes(p_header_data,&l_Ycrg_i,2); // Xcrg_i
3583 p_header_data+=2;
3584 }
3585 */
3586 return OPJ_TRUE;
3587 }
3588
3589 /**
3590 * Reads a TLM marker (Tile Length Marker)
3591 *
3592 * @param p_header_data the data contained in the TLM box.
3593 * @param p_j2k the jpeg2000 codec.
3594 * @param p_header_size the size of the data contained in the TLM marker.
3595 * @param p_manager the user event manager.
3596 */
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)3597 static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
3598 OPJ_BYTE * p_header_data,
3599 OPJ_UINT32 p_header_size,
3600 opj_event_mgr_t * p_manager
3601 )
3602 {
3603 OPJ_UINT32 l_Ztlm, l_Stlm, l_ST, l_SP, l_tot_num_tp_remaining, l_quotient,
3604 l_Ptlm_size;
3605 /* preconditions */
3606 assert(p_header_data != 00);
3607 assert(p_j2k != 00);
3608 assert(p_manager != 00);
3609
3610 OPJ_UNUSED(p_j2k);
3611
3612 if (p_header_size < 2) {
3613 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
3614 return OPJ_FALSE;
3615 }
3616 p_header_size -= 2;
3617
3618 opj_read_bytes(p_header_data, &l_Ztlm,
3619 1); /* Ztlm */
3620 ++p_header_data;
3621 opj_read_bytes(p_header_data, &l_Stlm,
3622 1); /* Stlm */
3623 ++p_header_data;
3624
3625 l_ST = ((l_Stlm >> 4) & 0x3);
3626 l_SP = (l_Stlm >> 6) & 0x1;
3627
3628 l_Ptlm_size = (l_SP + 1) * 2;
3629 l_quotient = l_Ptlm_size + l_ST;
3630
3631 l_tot_num_tp_remaining = p_header_size % l_quotient;
3632
3633 if (l_tot_num_tp_remaining != 0) {
3634 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
3635 return OPJ_FALSE;
3636 }
3637 /* FIXME Do not care of this at the moment since only local variables are set here */
3638 /*
3639 for
3640 (i = 0; i < l_tot_num_tp; ++i)
3641 {
3642 opj_read_bytes(p_header_data,&l_Ttlm_i,l_ST); // Ttlm_i
3643 p_header_data += l_ST;
3644 opj_read_bytes(p_header_data,&l_Ptlm_i,l_Ptlm_size); // Ptlm_i
3645 p_header_data += l_Ptlm_size;
3646 }*/
3647 return OPJ_TRUE;
3648 }
3649
3650 /**
3651 * Reads a PLM marker (Packet length, main header marker)
3652 *
3653 * @param p_header_data the data contained in the TLM box.
3654 * @param p_j2k the jpeg2000 codec.
3655 * @param p_header_size the size of the data contained in the TLM marker.
3656 * @param p_manager the user event manager.
3657 */
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)3658 static OPJ_BOOL opj_j2k_read_plm(opj_j2k_t *p_j2k,
3659 OPJ_BYTE * p_header_data,
3660 OPJ_UINT32 p_header_size,
3661 opj_event_mgr_t * p_manager
3662 )
3663 {
3664 /* preconditions */
3665 assert(p_header_data != 00);
3666 assert(p_j2k != 00);
3667 assert(p_manager != 00);
3668
3669 OPJ_UNUSED(p_j2k);
3670 OPJ_UNUSED(p_header_data);
3671
3672 if (p_header_size < 1) {
3673 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3674 return OPJ_FALSE;
3675 }
3676 /* Do not care of this at the moment since only local variables are set here */
3677 /*
3678 opj_read_bytes(p_header_data,&l_Zplm,1); // Zplm
3679 ++p_header_data;
3680 --p_header_size;
3681
3682 while
3683 (p_header_size > 0)
3684 {
3685 opj_read_bytes(p_header_data,&l_Nplm,1); // Nplm
3686 ++p_header_data;
3687 p_header_size -= (1+l_Nplm);
3688 if
3689 (p_header_size < 0)
3690 {
3691 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3692 return false;
3693 }
3694 for
3695 (i = 0; i < l_Nplm; ++i)
3696 {
3697 opj_read_bytes(p_header_data,&l_tmp,1); // Iplm_ij
3698 ++p_header_data;
3699 // take only the last seven bytes
3700 l_packet_len |= (l_tmp & 0x7f);
3701 if
3702 (l_tmp & 0x80)
3703 {
3704 l_packet_len <<= 7;
3705 }
3706 else
3707 {
3708 // store packet length and proceed to next packet
3709 l_packet_len = 0;
3710 }
3711 }
3712 if
3713 (l_packet_len != 0)
3714 {
3715 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3716 return false;
3717 }
3718 }
3719 */
3720 return OPJ_TRUE;
3721 }
3722
3723 /**
3724 * Reads a PLT marker (Packet length, tile-part header)
3725 *
3726 * @param p_header_data the data contained in the PLT box.
3727 * @param p_j2k the jpeg2000 codec.
3728 * @param p_header_size the size of the data contained in the PLT marker.
3729 * @param p_manager the user event manager.
3730 */
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)3731 static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
3732 OPJ_BYTE * p_header_data,
3733 OPJ_UINT32 p_header_size,
3734 opj_event_mgr_t * p_manager
3735 )
3736 {
3737 OPJ_UINT32 l_Zplt, l_tmp, l_packet_len = 0, i;
3738
3739 /* preconditions */
3740 assert(p_header_data != 00);
3741 assert(p_j2k != 00);
3742 assert(p_manager != 00);
3743
3744 OPJ_UNUSED(p_j2k);
3745
3746 if (p_header_size < 1) {
3747 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3748 return OPJ_FALSE;
3749 }
3750
3751 opj_read_bytes(p_header_data, &l_Zplt, 1); /* Zplt */
3752 ++p_header_data;
3753 --p_header_size;
3754
3755 for (i = 0; i < p_header_size; ++i) {
3756 opj_read_bytes(p_header_data, &l_tmp, 1); /* Iplt_ij */
3757 ++p_header_data;
3758 /* take only the last seven bytes */
3759 l_packet_len |= (l_tmp & 0x7f);
3760 if (l_tmp & 0x80) {
3761 l_packet_len <<= 7;
3762 } else {
3763 /* store packet length and proceed to next packet */
3764 l_packet_len = 0;
3765 }
3766 }
3767
3768 if (l_packet_len != 0) {
3769 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3770 return OPJ_FALSE;
3771 }
3772
3773 return OPJ_TRUE;
3774 }
3775
3776 /**
3777 * Reads a PPM marker (Packed packet headers, main header)
3778 *
3779 * @param p_header_data the data contained in the POC box.
3780 * @param p_j2k the jpeg2000 codec.
3781 * @param p_header_size the size of the data contained in the POC marker.
3782 * @param p_manager the user event manager.
3783 */
3784
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)3785 static OPJ_BOOL opj_j2k_read_ppm(
3786 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 opj_cp_t *l_cp = 00;
3792 OPJ_UINT32 l_Z_ppm;
3793
3794 /* preconditions */
3795 assert(p_header_data != 00);
3796 assert(p_j2k != 00);
3797 assert(p_manager != 00);
3798
3799 /* We need to have the Z_ppm element + 1 byte of Nppm/Ippm at minimum */
3800 if (p_header_size < 2) {
3801 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
3802 return OPJ_FALSE;
3803 }
3804
3805 l_cp = &(p_j2k->m_cp);
3806 l_cp->ppm = 1;
3807
3808 opj_read_bytes(p_header_data, &l_Z_ppm, 1); /* Z_ppm */
3809 ++p_header_data;
3810 --p_header_size;
3811
3812 /* check allocation needed */
3813 if (l_cp->ppm_markers == NULL) { /* first PPM marker */
3814 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3815 assert(l_cp->ppm_markers_count == 0U);
3816
3817 l_cp->ppm_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
3818 if (l_cp->ppm_markers == NULL) {
3819 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3820 return OPJ_FALSE;
3821 }
3822 l_cp->ppm_markers_count = l_newCount;
3823 } else if (l_cp->ppm_markers_count <= l_Z_ppm) {
3824 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3825 opj_ppx *new_ppm_markers;
3826 new_ppm_markers = (opj_ppx *) opj_realloc(l_cp->ppm_markers,
3827 l_newCount * sizeof(opj_ppx));
3828 if (new_ppm_markers == NULL) {
3829 /* clean up to be done on l_cp destruction */
3830 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3831 return OPJ_FALSE;
3832 }
3833 l_cp->ppm_markers = new_ppm_markers;
3834 memset(l_cp->ppm_markers + l_cp->ppm_markers_count, 0,
3835 (l_newCount - l_cp->ppm_markers_count) * sizeof(opj_ppx));
3836 l_cp->ppm_markers_count = l_newCount;
3837 }
3838
3839 if (l_cp->ppm_markers[l_Z_ppm].m_data != NULL) {
3840 /* clean up to be done on l_cp destruction */
3841 opj_event_msg(p_manager, EVT_ERROR, "Zppm %u already read\n", l_Z_ppm);
3842 return OPJ_FALSE;
3843 }
3844
3845 l_cp->ppm_markers[l_Z_ppm].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
3846 if (l_cp->ppm_markers[l_Z_ppm].m_data == NULL) {
3847 /* clean up to be done on l_cp destruction */
3848 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3849 return OPJ_FALSE;
3850 }
3851 l_cp->ppm_markers[l_Z_ppm].m_data_size = p_header_size;
3852 memcpy(l_cp->ppm_markers[l_Z_ppm].m_data, p_header_data, p_header_size);
3853
3854 return OPJ_TRUE;
3855 }
3856
3857 /**
3858 * Merges all PPM markers read (Packed headers, main header)
3859 *
3860 * @param p_cp main coding parameters.
3861 * @param p_manager the user event manager.
3862 */
opj_j2k_merge_ppm(opj_cp_t * p_cp,opj_event_mgr_t * p_manager)3863 static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager)
3864 {
3865 OPJ_UINT32 i, l_ppm_data_size, l_N_ppm_remaining;
3866
3867 /* preconditions */
3868 assert(p_cp != 00);
3869 assert(p_manager != 00);
3870 assert(p_cp->ppm_buffer == NULL);
3871
3872 if (p_cp->ppm == 0U) {
3873 return OPJ_TRUE;
3874 }
3875
3876 l_ppm_data_size = 0U;
3877 l_N_ppm_remaining = 0U;
3878 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3879 if (p_cp->ppm_markers[i].m_data !=
3880 NULL) { /* standard doesn't seem to require contiguous Zppm */
3881 OPJ_UINT32 l_N_ppm;
3882 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3883 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3884
3885 if (l_N_ppm_remaining >= l_data_size) {
3886 l_N_ppm_remaining -= l_data_size;
3887 l_data_size = 0U;
3888 } else {
3889 l_data += l_N_ppm_remaining;
3890 l_data_size -= l_N_ppm_remaining;
3891 l_N_ppm_remaining = 0U;
3892 }
3893
3894 if (l_data_size > 0U) {
3895 do {
3896 /* read Nppm */
3897 if (l_data_size < 4U) {
3898 /* clean up to be done on l_cp destruction */
3899 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
3900 return OPJ_FALSE;
3901 }
3902 opj_read_bytes(l_data, &l_N_ppm, 4);
3903 l_data += 4;
3904 l_data_size -= 4;
3905 l_ppm_data_size +=
3906 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 */
3907
3908 if (l_data_size >= l_N_ppm) {
3909 l_data_size -= l_N_ppm;
3910 l_data += l_N_ppm;
3911 } else {
3912 l_N_ppm_remaining = l_N_ppm - l_data_size;
3913 l_data_size = 0U;
3914 }
3915 } while (l_data_size > 0U);
3916 }
3917 }
3918 }
3919
3920 if (l_N_ppm_remaining != 0U) {
3921 /* clean up to be done on l_cp destruction */
3922 opj_event_msg(p_manager, EVT_ERROR, "Corrupted PPM markers\n");
3923 return OPJ_FALSE;
3924 }
3925
3926 p_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_ppm_data_size);
3927 if (p_cp->ppm_buffer == 00) {
3928 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3929 return OPJ_FALSE;
3930 }
3931 p_cp->ppm_len = l_ppm_data_size;
3932 l_ppm_data_size = 0U;
3933 l_N_ppm_remaining = 0U;
3934 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3935 if (p_cp->ppm_markers[i].m_data !=
3936 NULL) { /* standard doesn't seem to require contiguous Zppm */
3937 OPJ_UINT32 l_N_ppm;
3938 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3939 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3940
3941 if (l_N_ppm_remaining >= l_data_size) {
3942 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
3943 l_ppm_data_size += l_data_size;
3944 l_N_ppm_remaining -= l_data_size;
3945 l_data_size = 0U;
3946 } else {
3947 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm_remaining);
3948 l_ppm_data_size += l_N_ppm_remaining;
3949 l_data += l_N_ppm_remaining;
3950 l_data_size -= l_N_ppm_remaining;
3951 l_N_ppm_remaining = 0U;
3952 }
3953
3954 if (l_data_size > 0U) {
3955 do {
3956 /* read Nppm */
3957 if (l_data_size < 4U) {
3958 /* clean up to be done on l_cp destruction */
3959 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
3960 return OPJ_FALSE;
3961 }
3962 opj_read_bytes(l_data, &l_N_ppm, 4);
3963 l_data += 4;
3964 l_data_size -= 4;
3965
3966 if (l_data_size >= l_N_ppm) {
3967 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm);
3968 l_ppm_data_size += l_N_ppm;
3969 l_data_size -= l_N_ppm;
3970 l_data += l_N_ppm;
3971 } else {
3972 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
3973 l_ppm_data_size += l_data_size;
3974 l_N_ppm_remaining = l_N_ppm - l_data_size;
3975 l_data_size = 0U;
3976 }
3977 } while (l_data_size > 0U);
3978 }
3979 opj_free(p_cp->ppm_markers[i].m_data);
3980 p_cp->ppm_markers[i].m_data = NULL;
3981 p_cp->ppm_markers[i].m_data_size = 0U;
3982 }
3983 }
3984
3985 p_cp->ppm_data = p_cp->ppm_buffer;
3986 p_cp->ppm_data_size = p_cp->ppm_len;
3987
3988 p_cp->ppm_markers_count = 0U;
3989 opj_free(p_cp->ppm_markers);
3990 p_cp->ppm_markers = NULL;
3991
3992 return OPJ_TRUE;
3993 }
3994
3995 /**
3996 * Reads a PPT marker (Packed packet headers, tile-part header)
3997 *
3998 * @param p_header_data the data contained in the PPT box.
3999 * @param p_j2k the jpeg2000 codec.
4000 * @param p_header_size the size of the data contained in the PPT marker.
4001 * @param p_manager the user event manager.
4002 */
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)4003 static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
4004 OPJ_BYTE * p_header_data,
4005 OPJ_UINT32 p_header_size,
4006 opj_event_mgr_t * p_manager
4007 )
4008 {
4009 opj_cp_t *l_cp = 00;
4010 opj_tcp_t *l_tcp = 00;
4011 OPJ_UINT32 l_Z_ppt;
4012
4013 /* preconditions */
4014 assert(p_header_data != 00);
4015 assert(p_j2k != 00);
4016 assert(p_manager != 00);
4017
4018 /* We need to have the Z_ppt element + 1 byte of Ippt at minimum */
4019 if (p_header_size < 2) {
4020 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker\n");
4021 return OPJ_FALSE;
4022 }
4023
4024 l_cp = &(p_j2k->m_cp);
4025 if (l_cp->ppm) {
4026 opj_event_msg(p_manager, EVT_ERROR,
4027 "Error reading PPT marker: packet header have been previously found in the main header (PPM marker).\n");
4028 return OPJ_FALSE;
4029 }
4030
4031 l_tcp = &(l_cp->tcps[p_j2k->m_current_tile_number]);
4032 l_tcp->ppt = 1;
4033
4034 opj_read_bytes(p_header_data, &l_Z_ppt, 1); /* Z_ppt */
4035 ++p_header_data;
4036 --p_header_size;
4037
4038 /* check allocation needed */
4039 if (l_tcp->ppt_markers == NULL) { /* first PPT marker */
4040 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4041 assert(l_tcp->ppt_markers_count == 0U);
4042
4043 l_tcp->ppt_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
4044 if (l_tcp->ppt_markers == NULL) {
4045 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4046 return OPJ_FALSE;
4047 }
4048 l_tcp->ppt_markers_count = l_newCount;
4049 } else if (l_tcp->ppt_markers_count <= l_Z_ppt) {
4050 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4051 opj_ppx *new_ppt_markers;
4052 new_ppt_markers = (opj_ppx *) opj_realloc(l_tcp->ppt_markers,
4053 l_newCount * sizeof(opj_ppx));
4054 if (new_ppt_markers == NULL) {
4055 /* clean up to be done on l_tcp destruction */
4056 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4057 return OPJ_FALSE;
4058 }
4059 l_tcp->ppt_markers = new_ppt_markers;
4060 memset(l_tcp->ppt_markers + l_tcp->ppt_markers_count, 0,
4061 (l_newCount - l_tcp->ppt_markers_count) * sizeof(opj_ppx));
4062 l_tcp->ppt_markers_count = l_newCount;
4063 }
4064
4065 if (l_tcp->ppt_markers[l_Z_ppt].m_data != NULL) {
4066 /* clean up to be done on l_tcp destruction */
4067 opj_event_msg(p_manager, EVT_ERROR, "Zppt %u already read\n", l_Z_ppt);
4068 return OPJ_FALSE;
4069 }
4070
4071 l_tcp->ppt_markers[l_Z_ppt].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
4072 if (l_tcp->ppt_markers[l_Z_ppt].m_data == NULL) {
4073 /* clean up to be done on l_tcp destruction */
4074 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4075 return OPJ_FALSE;
4076 }
4077 l_tcp->ppt_markers[l_Z_ppt].m_data_size = p_header_size;
4078 memcpy(l_tcp->ppt_markers[l_Z_ppt].m_data, p_header_data, p_header_size);
4079 return OPJ_TRUE;
4080 }
4081
4082 /**
4083 * Merges all PPT markers read (Packed packet headers, tile-part header)
4084 *
4085 * @param p_tcp the tile.
4086 * @param p_manager the user event manager.
4087 */
opj_j2k_merge_ppt(opj_tcp_t * p_tcp,opj_event_mgr_t * p_manager)4088 static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp, opj_event_mgr_t * p_manager)
4089 {
4090 OPJ_UINT32 i, l_ppt_data_size;
4091 /* preconditions */
4092 assert(p_tcp != 00);
4093 assert(p_manager != 00);
4094
4095 if (p_tcp->ppt_buffer != NULL) {
4096 opj_event_msg(p_manager, EVT_ERROR,
4097 "opj_j2k_merge_ppt() has already been called\n");
4098 return OPJ_FALSE;
4099 }
4100
4101 if (p_tcp->ppt == 0U) {
4102 return OPJ_TRUE;
4103 }
4104
4105 l_ppt_data_size = 0U;
4106 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4107 l_ppt_data_size +=
4108 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4109 }
4110
4111 p_tcp->ppt_buffer = (OPJ_BYTE *) opj_malloc(l_ppt_data_size);
4112 if (p_tcp->ppt_buffer == 00) {
4113 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4114 return OPJ_FALSE;
4115 }
4116 p_tcp->ppt_len = l_ppt_data_size;
4117 l_ppt_data_size = 0U;
4118 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4119 if (p_tcp->ppt_markers[i].m_data !=
4120 NULL) { /* standard doesn't seem to require contiguous Zppt */
4121 memcpy(p_tcp->ppt_buffer + l_ppt_data_size, p_tcp->ppt_markers[i].m_data,
4122 p_tcp->ppt_markers[i].m_data_size);
4123 l_ppt_data_size +=
4124 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4125
4126 opj_free(p_tcp->ppt_markers[i].m_data);
4127 p_tcp->ppt_markers[i].m_data = NULL;
4128 p_tcp->ppt_markers[i].m_data_size = 0U;
4129 }
4130 }
4131
4132 p_tcp->ppt_markers_count = 0U;
4133 opj_free(p_tcp->ppt_markers);
4134 p_tcp->ppt_markers = NULL;
4135
4136 p_tcp->ppt_data = p_tcp->ppt_buffer;
4137 p_tcp->ppt_data_size = p_tcp->ppt_len;
4138 return OPJ_TRUE;
4139 }
4140
opj_j2k_write_tlm(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4141 static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
4142 opj_stream_private_t *p_stream,
4143 opj_event_mgr_t * p_manager
4144 )
4145 {
4146 OPJ_BYTE * l_current_data = 00;
4147 OPJ_UINT32 l_tlm_size;
4148
4149 /* preconditions */
4150 assert(p_j2k != 00);
4151 assert(p_manager != 00);
4152 assert(p_stream != 00);
4153
4154 l_tlm_size = 6 + (5 * p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
4155
4156 if (l_tlm_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
4157 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
4158 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size);
4159 if (! new_header_tile_data) {
4160 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
4161 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
4162 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
4163 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write TLM marker\n");
4164 return OPJ_FALSE;
4165 }
4166 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
4167 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_tlm_size;
4168 }
4169
4170 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
4171
4172 /* change the way data is written to avoid seeking if possible */
4173 /* TODO */
4174 p_j2k->m_specific_param.m_encoder.m_tlm_start = opj_stream_tell(p_stream);
4175
4176 opj_write_bytes(l_current_data, J2K_MS_TLM,
4177 2); /* TLM */
4178 l_current_data += 2;
4179
4180 opj_write_bytes(l_current_data, l_tlm_size - 2,
4181 2); /* Lpoc */
4182 l_current_data += 2;
4183
4184 opj_write_bytes(l_current_data, 0,
4185 1); /* Ztlm=0*/
4186 ++l_current_data;
4187
4188 opj_write_bytes(l_current_data, 0x50,
4189 1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
4190 ++l_current_data;
4191
4192 /* do nothing on the 5 * l_j2k->m_specific_param.m_encoder.m_total_tile_parts remaining data */
4193 if (opj_stream_write_data(p_stream,
4194 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size,
4195 p_manager) != l_tlm_size) {
4196 return OPJ_FALSE;
4197 }
4198
4199 return OPJ_TRUE;
4200 }
4201
opj_j2k_write_sot(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 p_total_data_size,OPJ_UINT32 * p_data_written,const opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4202 static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
4203 OPJ_BYTE * p_data,
4204 OPJ_UINT32 p_total_data_size,
4205 OPJ_UINT32 * p_data_written,
4206 const opj_stream_private_t *p_stream,
4207 opj_event_mgr_t * p_manager
4208 )
4209 {
4210 /* preconditions */
4211 assert(p_j2k != 00);
4212 assert(p_manager != 00);
4213 assert(p_stream != 00);
4214
4215 OPJ_UNUSED(p_stream);
4216
4217 if (p_total_data_size < 12) {
4218 opj_event_msg(p_manager, EVT_ERROR,
4219 "Not enough bytes in output buffer to write SOT marker\n");
4220 return OPJ_FALSE;
4221 }
4222
4223 opj_write_bytes(p_data, J2K_MS_SOT,
4224 2); /* SOT */
4225 p_data += 2;
4226
4227 opj_write_bytes(p_data, 10,
4228 2); /* Lsot */
4229 p_data += 2;
4230
4231 opj_write_bytes(p_data, p_j2k->m_current_tile_number,
4232 2); /* Isot */
4233 p_data += 2;
4234
4235 /* Psot */
4236 p_data += 4;
4237
4238 opj_write_bytes(p_data,
4239 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number,
4240 1); /* TPsot */
4241 ++p_data;
4242
4243 opj_write_bytes(p_data,
4244 p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts,
4245 1); /* TNsot */
4246 ++p_data;
4247
4248 /* UniPG>> */
4249 #ifdef USE_JPWL
4250 /* update markers struct */
4251 /*
4252 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOT, p_j2k->sot_start, len + 2);
4253 */
4254 assert(0 && "TODO");
4255 #endif /* USE_JPWL */
4256
4257 * p_data_written = 12;
4258
4259 return OPJ_TRUE;
4260 }
4261
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)4262 static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
4263 OPJ_UINT32 p_header_size,
4264 OPJ_UINT32* p_tile_no,
4265 OPJ_UINT32* p_tot_len,
4266 OPJ_UINT32* p_current_part,
4267 OPJ_UINT32* p_num_parts,
4268 opj_event_mgr_t * p_manager)
4269 {
4270 /* preconditions */
4271 assert(p_header_data != 00);
4272 assert(p_manager != 00);
4273
4274 /* Size of this marker is fixed = 12 (we have already read marker and its size)*/
4275 if (p_header_size != 8) {
4276 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
4277 return OPJ_FALSE;
4278 }
4279
4280 opj_read_bytes(p_header_data, p_tile_no, 2); /* Isot */
4281 p_header_data += 2;
4282 opj_read_bytes(p_header_data, p_tot_len, 4); /* Psot */
4283 p_header_data += 4;
4284 opj_read_bytes(p_header_data, p_current_part, 1); /* TPsot */
4285 ++p_header_data;
4286 opj_read_bytes(p_header_data, p_num_parts, 1); /* TNsot */
4287 ++p_header_data;
4288 return OPJ_TRUE;
4289 }
4290
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)4291 static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
4292 OPJ_BYTE * p_header_data,
4293 OPJ_UINT32 p_header_size,
4294 opj_event_mgr_t * p_manager)
4295 {
4296 opj_cp_t *l_cp = 00;
4297 opj_tcp_t *l_tcp = 00;
4298 OPJ_UINT32 l_tot_len, l_num_parts = 0;
4299 OPJ_UINT32 l_current_part;
4300 OPJ_UINT32 l_tile_x, l_tile_y;
4301
4302 /* preconditions */
4303
4304 assert(p_j2k != 00);
4305 assert(p_manager != 00);
4306
4307 if (! opj_j2k_get_sot_values(p_header_data, p_header_size,
4308 &(p_j2k->m_current_tile_number), &l_tot_len, &l_current_part, &l_num_parts,
4309 p_manager)) {
4310 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
4311 return OPJ_FALSE;
4312 }
4313 #ifdef DEBUG_VERBOSE
4314 fprintf(stderr, "SOT %d %d %d %d\n",
4315 p_j2k->m_current_tile_number, l_tot_len, l_current_part, l_num_parts);
4316 #endif
4317
4318 l_cp = &(p_j2k->m_cp);
4319
4320 /* testcase 2.pdf.SIGFPE.706.1112 */
4321 if (p_j2k->m_current_tile_number >= l_cp->tw * l_cp->th) {
4322 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile number %d\n",
4323 p_j2k->m_current_tile_number);
4324 return OPJ_FALSE;
4325 }
4326
4327 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
4328 l_tile_x = p_j2k->m_current_tile_number % l_cp->tw;
4329 l_tile_y = p_j2k->m_current_tile_number / l_cp->tw;
4330
4331 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec < 0 ||
4332 p_j2k->m_current_tile_number == (OPJ_UINT32)
4333 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec) {
4334 /* Do only this check if we decode all tile part headers, or if */
4335 /* we decode one precise tile. Otherwise the m_current_tile_part_number */
4336 /* might not be valid */
4337 /* Fixes issue with id_000020,sig_06,src_001958,op_flip4,pos_149 */
4338 /* of https://github.com/uclouvain/openjpeg/issues/939 */
4339 /* We must avoid reading twice the same tile part number for a given tile */
4340 /* so as to avoid various issues, like opj_j2k_merge_ppt being called */
4341 /* several times. */
4342 /* ISO 15444-1 A.4.2 Start of tile-part (SOT) mandates that tile parts */
4343 /* should appear in increasing order. */
4344 if (l_tcp->m_current_tile_part_number + 1 != (OPJ_INT32)l_current_part) {
4345 opj_event_msg(p_manager, EVT_ERROR,
4346 "Invalid tile part index for tile number %d. "
4347 "Got %d, expected %d\n",
4348 p_j2k->m_current_tile_number,
4349 l_current_part,
4350 l_tcp->m_current_tile_part_number + 1);
4351 return OPJ_FALSE;
4352 }
4353 }
4354
4355 l_tcp->m_current_tile_part_number = (OPJ_INT32) l_current_part;
4356
4357 #ifdef USE_JPWL
4358 if (l_cp->correct) {
4359
4360 OPJ_UINT32 tileno = p_j2k->m_current_tile_number;
4361 static OPJ_UINT32 backup_tileno = 0;
4362
4363 /* tileno is negative or larger than the number of tiles!!! */
4364 if (tileno > (l_cp->tw * l_cp->th)) {
4365 opj_event_msg(p_manager, EVT_ERROR,
4366 "JPWL: bad tile number (%d out of a maximum of %d)\n",
4367 tileno, (l_cp->tw * l_cp->th));
4368 if (!JPWL_ASSUME) {
4369 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4370 return OPJ_FALSE;
4371 }
4372 /* we try to correct */
4373 tileno = backup_tileno;
4374 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4375 "- setting tile number to %d\n",
4376 tileno);
4377 }
4378
4379 /* keep your private count of tiles */
4380 backup_tileno++;
4381 };
4382 #endif /* USE_JPWL */
4383
4384 /* look for the tile in the list of already processed tile (in parts). */
4385 /* Optimization possible here with a more complex data structure and with the removing of tiles */
4386 /* since the time taken by this function can only grow at the time */
4387
4388 /* PSot should be equal to zero or >=14 or <= 2^32-1 */
4389 if ((l_tot_len != 0) && (l_tot_len < 14)) {
4390 if (l_tot_len ==
4391 12) { /* MSD: Special case for the PHR data which are read by kakadu*/
4392 opj_event_msg(p_manager, EVT_WARNING, "Empty SOT marker detected: Psot=%d.\n",
4393 l_tot_len);
4394 } else {
4395 opj_event_msg(p_manager, EVT_ERROR,
4396 "Psot value is not correct regards to the JPEG2000 norm: %d.\n", l_tot_len);
4397 return OPJ_FALSE;
4398 }
4399 }
4400
4401 #ifdef USE_JPWL
4402 if (l_cp->correct) {
4403
4404 /* totlen is negative or larger than the bytes left!!! */
4405 if (/*(l_tot_len < 0) ||*/ (l_tot_len >
4406 p_header_size)) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */
4407 opj_event_msg(p_manager, EVT_ERROR,
4408 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
4409 l_tot_len,
4410 p_header_size); /* FIXME it seems correct; for info in V1 -> p_stream_numbytesleft(p_stream) + 8); */
4411 if (!JPWL_ASSUME) {
4412 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4413 return OPJ_FALSE;
4414 }
4415 /* we try to correct */
4416 l_tot_len = 0;
4417 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4418 "- setting Psot to %d => assuming it is the last tile\n",
4419 l_tot_len);
4420 }
4421 };
4422 #endif /* USE_JPWL */
4423
4424 /* Ref A.4.2: Psot could be equal zero if it is the last tile-part of the codestream.*/
4425 if (!l_tot_len) {
4426 opj_event_msg(p_manager, EVT_INFO,
4427 "Psot value of the current tile-part is equal to zero, "
4428 "we assuming it is the last tile-part of the codestream.\n");
4429 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4430 }
4431
4432 if (l_tcp->m_nb_tile_parts != 0 && l_current_part >= l_tcp->m_nb_tile_parts) {
4433 /* Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2851 */
4434 opj_event_msg(p_manager, EVT_ERROR,
4435 "In SOT marker, TPSot (%d) is not valid regards to the previous "
4436 "number of tile-part (%d), giving up\n", l_current_part,
4437 l_tcp->m_nb_tile_parts);
4438 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4439 return OPJ_FALSE;
4440 }
4441
4442 if (l_num_parts !=
4443 0) { /* Number of tile-part header is provided by this tile-part header */
4444 l_num_parts += p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction;
4445 /* Useful to manage the case of textGBR.jp2 file because two values of TNSot are allowed: the correct numbers of
4446 * tile-parts for that tile and zero (A.4.2 of 15444-1 : 2002). */
4447 if (l_tcp->m_nb_tile_parts) {
4448 if (l_current_part >= l_tcp->m_nb_tile_parts) {
4449 opj_event_msg(p_manager, EVT_ERROR,
4450 "In SOT marker, TPSot (%d) is not valid regards to the current "
4451 "number of tile-part (%d), giving up\n", l_current_part,
4452 l_tcp->m_nb_tile_parts);
4453 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4454 return OPJ_FALSE;
4455 }
4456 }
4457 if (l_current_part >= l_num_parts) {
4458 /* testcase 451.pdf.SIGSEGV.ce9.3723 */
4459 opj_event_msg(p_manager, EVT_ERROR,
4460 "In SOT marker, TPSot (%d) is not valid regards to the current "
4461 "number of tile-part (header) (%d), giving up\n", l_current_part, l_num_parts);
4462 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4463 return OPJ_FALSE;
4464 }
4465 l_tcp->m_nb_tile_parts = l_num_parts;
4466 }
4467
4468 /* If know the number of tile part header we will check if we didn't read the last*/
4469 if (l_tcp->m_nb_tile_parts) {
4470 if (l_tcp->m_nb_tile_parts == (l_current_part + 1)) {
4471 p_j2k->m_specific_param.m_decoder.m_can_decode =
4472 1; /* Process the last tile-part header*/
4473 }
4474 }
4475
4476 if (!p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4477 /* Keep the size of data to skip after this marker */
4478 p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len -
4479 12; /* SOT_marker_size = 12 */
4480 } else {
4481 /* FIXME: need to be computed from the number of bytes remaining in the codestream */
4482 p_j2k->m_specific_param.m_decoder.m_sot_length = 0;
4483 }
4484
4485 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPH;
4486
4487 /* Check if the current tile is outside the area we want decode or not corresponding to the tile index*/
4488 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec == -1) {
4489 p_j2k->m_specific_param.m_decoder.m_skip_data =
4490 (l_tile_x < p_j2k->m_specific_param.m_decoder.m_start_tile_x)
4491 || (l_tile_x >= p_j2k->m_specific_param.m_decoder.m_end_tile_x)
4492 || (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y)
4493 || (l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y);
4494 } else {
4495 assert(p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec >= 0);
4496 p_j2k->m_specific_param.m_decoder.m_skip_data =
4497 (p_j2k->m_current_tile_number != (OPJ_UINT32)
4498 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec);
4499 }
4500
4501 /* Index */
4502 if (p_j2k->cstr_index) {
4503 assert(p_j2k->cstr_index->tile_index != 00);
4504 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tileno =
4505 p_j2k->m_current_tile_number;
4506 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno =
4507 l_current_part;
4508
4509 if (l_num_parts != 0) {
4510 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps =
4511 l_num_parts;
4512 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4513 l_num_parts;
4514
4515 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4516 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4517 (opj_tp_index_t*)opj_calloc(l_num_parts, sizeof(opj_tp_index_t));
4518 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4519 opj_event_msg(p_manager, EVT_ERROR,
4520 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4521 return OPJ_FALSE;
4522 }
4523 } else {
4524 opj_tp_index_t *new_tp_index = (opj_tp_index_t *) opj_realloc(
4525 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4526 l_num_parts * sizeof(opj_tp_index_t));
4527 if (! new_tp_index) {
4528 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4529 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4530 opj_event_msg(p_manager, EVT_ERROR,
4531 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4532 return OPJ_FALSE;
4533 }
4534 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4535 new_tp_index;
4536 }
4537 } else {
4538 /*if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index)*/ {
4539
4540 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4541 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 10;
4542 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4543 (opj_tp_index_t*)opj_calloc(
4544 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps,
4545 sizeof(opj_tp_index_t));
4546 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4547 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4548 opj_event_msg(p_manager, EVT_ERROR,
4549 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4550 return OPJ_FALSE;
4551 }
4552 }
4553
4554 if (l_current_part >=
4555 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps) {
4556 opj_tp_index_t *new_tp_index;
4557 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4558 l_current_part + 1;
4559 new_tp_index = (opj_tp_index_t *) opj_realloc(
4560 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4561 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps *
4562 sizeof(opj_tp_index_t));
4563 if (! new_tp_index) {
4564 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4565 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4566 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4567 opj_event_msg(p_manager, EVT_ERROR,
4568 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4569 return OPJ_FALSE;
4570 }
4571 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4572 new_tp_index;
4573 }
4574 }
4575
4576 }
4577
4578 }
4579
4580 /* 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 */
4581 /* if (p_j2k->cstr_info) {
4582 if (l_tcp->first) {
4583 if (tileno == 0) {
4584 p_j2k->cstr_info->main_head_end = p_stream_tell(p_stream) - 13;
4585 }
4586
4587 p_j2k->cstr_info->tile[tileno].tileno = tileno;
4588 p_j2k->cstr_info->tile[tileno].start_pos = p_stream_tell(p_stream) - 12;
4589 p_j2k->cstr_info->tile[tileno].end_pos = p_j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
4590 p_j2k->cstr_info->tile[tileno].num_tps = numparts;
4591
4592 if (numparts) {
4593 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
4594 }
4595 else {
4596 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
4597 }
4598 }
4599 else {
4600 p_j2k->cstr_info->tile[tileno].end_pos += totlen;
4601 }
4602
4603 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = p_stream_tell(p_stream) - 12;
4604 p_j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
4605 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
4606 }*/
4607 return OPJ_TRUE;
4608 }
4609
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 p_total_data_size,const opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4610 static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
4611 opj_tcd_t * p_tile_coder,
4612 OPJ_BYTE * p_data,
4613 OPJ_UINT32 * p_data_written,
4614 OPJ_UINT32 p_total_data_size,
4615 const opj_stream_private_t *p_stream,
4616 opj_event_mgr_t * p_manager
4617 )
4618 {
4619 opj_codestream_info_t *l_cstr_info = 00;
4620 OPJ_UINT32 l_remaining_data;
4621
4622 /* preconditions */
4623 assert(p_j2k != 00);
4624 assert(p_manager != 00);
4625 assert(p_stream != 00);
4626
4627 OPJ_UNUSED(p_stream);
4628
4629 if (p_total_data_size < 4) {
4630 opj_event_msg(p_manager, EVT_ERROR,
4631 "Not enough bytes in output buffer to write SOD marker\n");
4632 return OPJ_FALSE;
4633 }
4634
4635 opj_write_bytes(p_data, J2K_MS_SOD,
4636 2); /* SOD */
4637 p_data += 2;
4638
4639 /* make room for the EOF marker */
4640 l_remaining_data = p_total_data_size - 4;
4641
4642 /* update tile coder */
4643 p_tile_coder->tp_num =
4644 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number ;
4645 p_tile_coder->cur_tp_num =
4646 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
4647
4648 /* INDEX >> */
4649 /* TODO mergeV2: check this part which use cstr_info */
4650 /*l_cstr_info = p_j2k->cstr_info;
4651 if (l_cstr_info) {
4652 if (!p_j2k->m_specific_param.m_encoder.m_current_tile_part_number ) {
4653 //TODO cstr_info->tile[p_j2k->m_current_tile_number].end_header = p_stream_tell(p_stream) + p_j2k->pos_correction - 1;
4654 l_cstr_info->tile[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
4655 }
4656 else {*/
4657 /*
4658 TODO
4659 if
4660 (cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno - 1].end_pos < p_stream_tell(p_stream))
4661 {
4662 cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno].start_pos = p_stream_tell(p_stream);
4663 }*/
4664 /*}*/
4665 /* UniPG>> */
4666 #ifdef USE_JPWL
4667 /* update markers struct */
4668 /*OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOD, p_j2k->sod_start, 2);
4669 */
4670 assert(0 && "TODO");
4671 #endif /* USE_JPWL */
4672 /* <<UniPG */
4673 /*}*/
4674 /* << INDEX */
4675
4676 if (p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0) {
4677 p_tile_coder->tcd_image->tiles->packno = 0;
4678 #ifdef deadcode
4679 if (l_cstr_info) {
4680 l_cstr_info->packno = 0;
4681 }
4682 #endif
4683 }
4684
4685 *p_data_written = 0;
4686
4687 if (! opj_tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number, p_data,
4688 p_data_written, l_remaining_data, l_cstr_info,
4689 p_manager)) {
4690 opj_event_msg(p_manager, EVT_ERROR, "Cannot encode tile\n");
4691 return OPJ_FALSE;
4692 }
4693
4694 *p_data_written += 2;
4695
4696 return OPJ_TRUE;
4697 }
4698
opj_j2k_read_sod(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4699 static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
4700 opj_stream_private_t *p_stream,
4701 opj_event_mgr_t * p_manager
4702 )
4703 {
4704 OPJ_SIZE_T l_current_read_size;
4705 opj_codestream_index_t * l_cstr_index = 00;
4706 OPJ_BYTE ** l_current_data = 00;
4707 opj_tcp_t * l_tcp = 00;
4708 OPJ_UINT32 * l_tile_len = 00;
4709 OPJ_BOOL l_sot_length_pb_detected = OPJ_FALSE;
4710
4711 /* preconditions */
4712 assert(p_j2k != 00);
4713 assert(p_manager != 00);
4714 assert(p_stream != 00);
4715
4716 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
4717
4718 if (p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4719 /* opj_stream_get_number_byte_left returns OPJ_OFF_T
4720 // but we are in the last tile part,
4721 // so its result will fit on OPJ_UINT32 unless we find
4722 // a file with a single tile part of more than 4 GB...*/
4723 p_j2k->m_specific_param.m_decoder.m_sot_length = (OPJ_UINT32)(
4724 opj_stream_get_number_byte_left(p_stream) - 2);
4725 } else {
4726 /* Check to avoid pass the limit of OPJ_UINT32 */
4727 if (p_j2k->m_specific_param.m_decoder.m_sot_length >= 2) {
4728 p_j2k->m_specific_param.m_decoder.m_sot_length -= 2;
4729 } else {
4730 /* MSD: case commented to support empty SOT marker (PHR data) */
4731 }
4732 }
4733
4734 l_current_data = &(l_tcp->m_data);
4735 l_tile_len = &l_tcp->m_data_size;
4736
4737 /* Patch to support new PHR data */
4738 if (p_j2k->m_specific_param.m_decoder.m_sot_length) {
4739 /* If we are here, we'll try to read the data after allocation */
4740 /* Check enough bytes left in stream before allocation */
4741 if ((OPJ_OFF_T)p_j2k->m_specific_param.m_decoder.m_sot_length >
4742 opj_stream_get_number_byte_left(p_stream)) {
4743 opj_event_msg(p_manager, EVT_ERROR,
4744 "Tile part length size inconsistent with stream length\n");
4745 return OPJ_FALSE;
4746 }
4747 if (p_j2k->m_specific_param.m_decoder.m_sot_length >
4748 UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA) {
4749 opj_event_msg(p_manager, EVT_ERROR,
4750 "p_j2k->m_specific_param.m_decoder.m_sot_length > "
4751 "UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA");
4752 return OPJ_FALSE;
4753 }
4754 /* Add a margin of OPJ_COMMON_CBLK_DATA_EXTRA to the allocation we */
4755 /* do so that opj_mqc_init_dec_common() can safely add a synthetic */
4756 /* 0xFFFF marker. */
4757 if (! *l_current_data) {
4758 /* LH: oddly enough, in this path, l_tile_len!=0.
4759 * TODO: If this was consistent, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...).
4760 */
4761 *l_current_data = (OPJ_BYTE*) opj_malloc(
4762 p_j2k->m_specific_param.m_decoder.m_sot_length + OPJ_COMMON_CBLK_DATA_EXTRA);
4763 } else {
4764 OPJ_BYTE *l_new_current_data;
4765 if (*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA -
4766 p_j2k->m_specific_param.m_decoder.m_sot_length) {
4767 opj_event_msg(p_manager, EVT_ERROR,
4768 "*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA - "
4769 "p_j2k->m_specific_param.m_decoder.m_sot_length");
4770 return OPJ_FALSE;
4771 }
4772
4773 l_new_current_data = (OPJ_BYTE *) opj_realloc(*l_current_data,
4774 *l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length +
4775 OPJ_COMMON_CBLK_DATA_EXTRA);
4776 if (! l_new_current_data) {
4777 opj_free(*l_current_data);
4778 /*nothing more is done as l_current_data will be set to null, and just
4779 afterward we enter in the error path
4780 and the actual tile_len is updated (committed) at the end of the
4781 function. */
4782 }
4783 *l_current_data = l_new_current_data;
4784 }
4785
4786 if (*l_current_data == 00) {
4787 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile\n");
4788 return OPJ_FALSE;
4789 }
4790 } else {
4791 l_sot_length_pb_detected = OPJ_TRUE;
4792 }
4793
4794 /* Index */
4795 l_cstr_index = p_j2k->cstr_index;
4796 if (l_cstr_index) {
4797 OPJ_OFF_T l_current_pos = opj_stream_tell(p_stream) - 2;
4798
4799 OPJ_UINT32 l_current_tile_part =
4800 l_cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno;
4801 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_header
4802 =
4803 l_current_pos;
4804 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_pos
4805 =
4806 l_current_pos + p_j2k->m_specific_param.m_decoder.m_sot_length + 2;
4807
4808 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
4809 l_cstr_index,
4810 J2K_MS_SOD,
4811 l_current_pos,
4812 p_j2k->m_specific_param.m_decoder.m_sot_length + 2)) {
4813 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
4814 return OPJ_FALSE;
4815 }
4816
4817 /*l_cstr_index->packno = 0;*/
4818 }
4819
4820 /* Patch to support new PHR data */
4821 if (!l_sot_length_pb_detected) {
4822 l_current_read_size = opj_stream_read_data(
4823 p_stream,
4824 *l_current_data + *l_tile_len,
4825 p_j2k->m_specific_param.m_decoder.m_sot_length,
4826 p_manager);
4827 } else {
4828 l_current_read_size = 0;
4829 }
4830
4831 if (l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length) {
4832 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
4833 } else {
4834 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
4835 }
4836
4837 *l_tile_len += (OPJ_UINT32)l_current_read_size;
4838
4839 return OPJ_TRUE;
4840 }
4841
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)4842 static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
4843 OPJ_UINT32 p_tile_no,
4844 OPJ_UINT32 p_comp_no,
4845 OPJ_UINT32 nb_comps,
4846 opj_stream_private_t *p_stream,
4847 opj_event_mgr_t * p_manager
4848 )
4849 {
4850 OPJ_BYTE * l_current_data = 00;
4851 OPJ_UINT32 l_rgn_size;
4852 opj_cp_t *l_cp = 00;
4853 opj_tcp_t *l_tcp = 00;
4854 opj_tccp_t *l_tccp = 00;
4855 OPJ_UINT32 l_comp_room;
4856
4857 /* preconditions */
4858 assert(p_j2k != 00);
4859 assert(p_manager != 00);
4860 assert(p_stream != 00);
4861
4862 l_cp = &(p_j2k->m_cp);
4863 l_tcp = &l_cp->tcps[p_tile_no];
4864 l_tccp = &l_tcp->tccps[p_comp_no];
4865
4866 if (nb_comps <= 256) {
4867 l_comp_room = 1;
4868 } else {
4869 l_comp_room = 2;
4870 }
4871
4872 l_rgn_size = 6 + l_comp_room;
4873
4874 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
4875
4876 opj_write_bytes(l_current_data, J2K_MS_RGN,
4877 2); /* RGN */
4878 l_current_data += 2;
4879
4880 opj_write_bytes(l_current_data, l_rgn_size - 2,
4881 2); /* Lrgn */
4882 l_current_data += 2;
4883
4884 opj_write_bytes(l_current_data, p_comp_no,
4885 l_comp_room); /* Crgn */
4886 l_current_data += l_comp_room;
4887
4888 opj_write_bytes(l_current_data, 0,
4889 1); /* Srgn */
4890 ++l_current_data;
4891
4892 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tccp->roishift,
4893 1); /* SPrgn */
4894 ++l_current_data;
4895
4896 if (opj_stream_write_data(p_stream,
4897 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_rgn_size,
4898 p_manager) != l_rgn_size) {
4899 return OPJ_FALSE;
4900 }
4901
4902 return OPJ_TRUE;
4903 }
4904
opj_j2k_write_eoc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4905 static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
4906 opj_stream_private_t *p_stream,
4907 opj_event_mgr_t * p_manager
4908 )
4909 {
4910 /* preconditions */
4911 assert(p_j2k != 00);
4912 assert(p_manager != 00);
4913 assert(p_stream != 00);
4914
4915 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_header_tile_data,
4916 J2K_MS_EOC, 2); /* EOC */
4917
4918 /* UniPG>> */
4919 #ifdef USE_JPWL
4920 /* update markers struct */
4921 /*
4922 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_EOC, p_stream_tell(p_stream) - 2, 2);
4923 */
4924 #endif /* USE_JPWL */
4925
4926 if (opj_stream_write_data(p_stream,
4927 p_j2k->m_specific_param.m_encoder.m_header_tile_data, 2, p_manager) != 2) {
4928 return OPJ_FALSE;
4929 }
4930
4931 if (! opj_stream_flush(p_stream, p_manager)) {
4932 return OPJ_FALSE;
4933 }
4934
4935 return OPJ_TRUE;
4936 }
4937
4938 /**
4939 * Reads a RGN marker (Region Of Interest)
4940 *
4941 * @param p_header_data the data contained in the POC box.
4942 * @param p_j2k the jpeg2000 codec.
4943 * @param p_header_size the size of the data contained in the POC marker.
4944 * @param p_manager the user event manager.
4945 */
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)4946 static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
4947 OPJ_BYTE * p_header_data,
4948 OPJ_UINT32 p_header_size,
4949 opj_event_mgr_t * p_manager
4950 )
4951 {
4952 OPJ_UINT32 l_nb_comp;
4953 opj_image_t * l_image = 00;
4954
4955 opj_cp_t *l_cp = 00;
4956 opj_tcp_t *l_tcp = 00;
4957 OPJ_UINT32 l_comp_room, l_comp_no, l_roi_sty;
4958
4959 /* preconditions*/
4960 assert(p_header_data != 00);
4961 assert(p_j2k != 00);
4962 assert(p_manager != 00);
4963
4964 l_image = p_j2k->m_private_image;
4965 l_nb_comp = l_image->numcomps;
4966
4967 if (l_nb_comp <= 256) {
4968 l_comp_room = 1;
4969 } else {
4970 l_comp_room = 2;
4971 }
4972
4973 if (p_header_size != 2 + l_comp_room) {
4974 opj_event_msg(p_manager, EVT_ERROR, "Error reading RGN marker\n");
4975 return OPJ_FALSE;
4976 }
4977
4978 l_cp = &(p_j2k->m_cp);
4979 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
4980 &l_cp->tcps[p_j2k->m_current_tile_number] :
4981 p_j2k->m_specific_param.m_decoder.m_default_tcp;
4982
4983 opj_read_bytes(p_header_data, &l_comp_no, l_comp_room); /* Crgn */
4984 p_header_data += l_comp_room;
4985 opj_read_bytes(p_header_data, &l_roi_sty,
4986 1); /* Srgn */
4987 ++p_header_data;
4988
4989 #ifdef USE_JPWL
4990 if (l_cp->correct) {
4991 /* totlen is negative or larger than the bytes left!!! */
4992 if (l_comp_room >= l_nb_comp) {
4993 opj_event_msg(p_manager, EVT_ERROR,
4994 "JPWL: bad component number in RGN (%d when there are only %d)\n",
4995 l_comp_room, l_nb_comp);
4996 if (!JPWL_ASSUME) {
4997 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4998 return OPJ_FALSE;
4999 }
5000 }
5001 };
5002 #endif /* USE_JPWL */
5003
5004 /* testcase 3635.pdf.asan.77.2930 */
5005 if (l_comp_no >= l_nb_comp) {
5006 opj_event_msg(p_manager, EVT_ERROR,
5007 "bad component number in RGN (%d when there are only %d)\n",
5008 l_comp_no, l_nb_comp);
5009 return OPJ_FALSE;
5010 }
5011
5012 opj_read_bytes(p_header_data,
5013 (OPJ_UINT32 *)(&(l_tcp->tccps[l_comp_no].roishift)), 1); /* SPrgn */
5014 ++p_header_data;
5015
5016 return OPJ_TRUE;
5017
5018 }
5019
opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)5020 static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)
5021 {
5022 return (OPJ_FLOAT32)((p_tcp->m_nb_tile_parts - 1) * 14);
5023 }
5024
opj_j2k_get_default_stride(opj_tcp_t * p_tcp)5025 static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp)
5026 {
5027 (void)p_tcp;
5028 return 0;
5029 }
5030
opj_j2k_update_rates(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)5031 static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
5032 opj_stream_private_t *p_stream,
5033 opj_event_mgr_t * p_manager)
5034 {
5035 opj_cp_t * l_cp = 00;
5036 opj_image_t * l_image = 00;
5037 opj_tcp_t * l_tcp = 00;
5038 opj_image_comp_t * l_img_comp = 00;
5039
5040 OPJ_UINT32 i, j, k;
5041 OPJ_INT32 l_x0, l_y0, l_x1, l_y1;
5042 OPJ_FLOAT32 * l_rates = 0;
5043 OPJ_FLOAT32 l_sot_remove;
5044 OPJ_UINT32 l_bits_empty, l_size_pixel;
5045 OPJ_UINT32 l_tile_size = 0;
5046 OPJ_UINT32 l_last_res;
5047 OPJ_FLOAT32(* l_tp_stride_func)(opj_tcp_t *) = 00;
5048
5049 /* preconditions */
5050 assert(p_j2k != 00);
5051 assert(p_manager != 00);
5052 assert(p_stream != 00);
5053
5054 OPJ_UNUSED(p_manager);
5055
5056 l_cp = &(p_j2k->m_cp);
5057 l_image = p_j2k->m_private_image;
5058 l_tcp = l_cp->tcps;
5059
5060 l_bits_empty = 8 * l_image->comps->dx * l_image->comps->dy;
5061 l_size_pixel = l_image->numcomps * l_image->comps->prec;
5062 l_sot_remove = (OPJ_FLOAT32) opj_stream_tell(p_stream) / (OPJ_FLOAT32)(
5063 l_cp->th * l_cp->tw);
5064
5065 if (l_cp->m_specific_param.m_enc.m_tp_on) {
5066 l_tp_stride_func = opj_j2k_get_tp_stride;
5067 } else {
5068 l_tp_stride_func = opj_j2k_get_default_stride;
5069 }
5070
5071 for (i = 0; i < l_cp->th; ++i) {
5072 for (j = 0; j < l_cp->tw; ++j) {
5073 OPJ_FLOAT32 l_offset = (OPJ_FLOAT32)(*l_tp_stride_func)(l_tcp) /
5074 (OPJ_FLOAT32)l_tcp->numlayers;
5075
5076 /* 4 borders of the tile rescale on the image if necessary */
5077 l_x0 = opj_int_max((OPJ_INT32)(l_cp->tx0 + j * l_cp->tdx),
5078 (OPJ_INT32)l_image->x0);
5079 l_y0 = opj_int_max((OPJ_INT32)(l_cp->ty0 + i * l_cp->tdy),
5080 (OPJ_INT32)l_image->y0);
5081 l_x1 = opj_int_min((OPJ_INT32)(l_cp->tx0 + (j + 1) * l_cp->tdx),
5082 (OPJ_INT32)l_image->x1);
5083 l_y1 = opj_int_min((OPJ_INT32)(l_cp->ty0 + (i + 1) * l_cp->tdy),
5084 (OPJ_INT32)l_image->y1);
5085
5086 l_rates = l_tcp->rates;
5087
5088 /* Modification of the RATE >> */
5089 if (*l_rates > 0.0f) {
5090 *l_rates = (((OPJ_FLOAT32)(l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) *
5091 (OPJ_UINT32)(l_y1 - l_y0)))
5092 /
5093 ((*l_rates) * (OPJ_FLOAT32)l_bits_empty)
5094 )
5095 -
5096 l_offset;
5097 }
5098
5099 ++l_rates;
5100
5101 for (k = 1; k < l_tcp->numlayers; ++k) {
5102 if (*l_rates > 0.0f) {
5103 *l_rates = (((OPJ_FLOAT32)(l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) *
5104 (OPJ_UINT32)(l_y1 - l_y0)))
5105 /
5106 ((*l_rates) * (OPJ_FLOAT32)l_bits_empty)
5107 )
5108 -
5109 l_offset;
5110 }
5111
5112 ++l_rates;
5113 }
5114
5115 ++l_tcp;
5116
5117 }
5118 }
5119
5120 l_tcp = l_cp->tcps;
5121
5122 for (i = 0; i < l_cp->th; ++i) {
5123 for (j = 0; j < l_cp->tw; ++j) {
5124 l_rates = l_tcp->rates;
5125
5126 if (*l_rates > 0.0f) {
5127 *l_rates -= l_sot_remove;
5128
5129 if (*l_rates < 30.0f) {
5130 *l_rates = 30.0f;
5131 }
5132 }
5133
5134 ++l_rates;
5135
5136 l_last_res = l_tcp->numlayers - 1;
5137
5138 for (k = 1; k < l_last_res; ++k) {
5139
5140 if (*l_rates > 0.0f) {
5141 *l_rates -= l_sot_remove;
5142
5143 if (*l_rates < * (l_rates - 1) + 10.0f) {
5144 *l_rates = (*(l_rates - 1)) + 20.0f;
5145 }
5146 }
5147
5148 ++l_rates;
5149 }
5150
5151 if (*l_rates > 0.0f) {
5152 *l_rates -= (l_sot_remove + 2.f);
5153
5154 if (*l_rates < * (l_rates - 1) + 10.0f) {
5155 *l_rates = (*(l_rates - 1)) + 20.0f;
5156 }
5157 }
5158
5159 ++l_tcp;
5160 }
5161 }
5162
5163 l_img_comp = l_image->comps;
5164 l_tile_size = 0;
5165
5166 for (i = 0; i < l_image->numcomps; ++i) {
5167 l_tile_size += (opj_uint_ceildiv(l_cp->tdx, l_img_comp->dx)
5168 *
5169 opj_uint_ceildiv(l_cp->tdy, l_img_comp->dy)
5170 *
5171 l_img_comp->prec
5172 );
5173
5174 ++l_img_comp;
5175 }
5176
5177 /* TODO: where does this magic value come from ? */
5178 /* This used to be 1.3 / 8, but with random data and very small code */
5179 /* block sizes, this is not enough. For example with */
5180 /* bin/test_tile_encoder 1 256 256 32 32 8 0 reversible_with_precinct.j2k 4 4 3 0 0 1 16 16 */
5181 /* TODO revise this to take into account the overhead linked to the */
5182 /* number of packets and number of code blocks in packets */
5183 l_tile_size = (OPJ_UINT32)(l_tile_size * 1.4 / 8);
5184
5185 /* Arbitrary amount to make the following work: */
5186 /* bin/test_tile_encoder 1 256 256 17 16 8 0 reversible_no_precinct.j2k 4 4 3 0 0 1 */
5187 l_tile_size += 500;
5188
5189 l_tile_size += opj_j2k_get_specific_header_sizes(p_j2k);
5190
5191 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = l_tile_size;
5192 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data =
5193 (OPJ_BYTE *) opj_malloc(p_j2k->m_specific_param.m_encoder.m_encoded_tile_size);
5194 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00) {
5195 return OPJ_FALSE;
5196 }
5197
5198 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
5199 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer =
5200 (OPJ_BYTE *) opj_malloc(5 *
5201 p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
5202 if (! p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
5203 return OPJ_FALSE;
5204 }
5205
5206 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current =
5207 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer;
5208 }
5209
5210 return OPJ_TRUE;
5211 }
5212
5213 #if 0
5214 static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
5215 opj_stream_private_t *p_stream,
5216 opj_event_mgr_t * p_manager)
5217 {
5218 OPJ_UINT32 i;
5219 opj_tcd_t * l_tcd = 00;
5220 OPJ_UINT32 l_nb_tiles;
5221 opj_tcp_t * l_tcp = 00;
5222 OPJ_BOOL l_success;
5223
5224 /* preconditions */
5225 assert(p_j2k != 00);
5226 assert(p_manager != 00);
5227 assert(p_stream != 00);
5228
5229 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
5230 l_tcp = p_j2k->m_cp.tcps;
5231
5232 l_tcd = opj_tcd_create(OPJ_TRUE);
5233 if (l_tcd == 00) {
5234 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5235 return OPJ_FALSE;
5236 }
5237
5238 for (i = 0; i < l_nb_tiles; ++i) {
5239 if (l_tcp->m_data) {
5240 if (! opj_tcd_init_decode_tile(l_tcd, i)) {
5241 opj_tcd_destroy(l_tcd);
5242 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5243 return OPJ_FALSE;
5244 }
5245
5246 l_success = opj_tcd_decode_tile(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i,
5247 p_j2k->cstr_index);
5248 /* cleanup */
5249
5250 if (! l_success) {
5251 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
5252 break;
5253 }
5254 }
5255
5256 opj_j2k_tcp_destroy(l_tcp);
5257 ++l_tcp;
5258 }
5259
5260 opj_tcd_destroy(l_tcd);
5261 return OPJ_TRUE;
5262 }
5263 #endif
5264
opj_j2k_get_end_header(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5265 static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
5266 struct opj_stream_private *p_stream,
5267 struct opj_event_mgr * p_manager)
5268 {
5269 /* preconditions */
5270 assert(p_j2k != 00);
5271 assert(p_manager != 00);
5272 assert(p_stream != 00);
5273
5274 OPJ_UNUSED(p_manager);
5275
5276 p_j2k->cstr_index->main_head_end = opj_stream_tell(p_stream);
5277
5278 return OPJ_TRUE;
5279 }
5280
opj_j2k_write_mct_data_group(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5281 static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
5282 struct opj_stream_private *p_stream,
5283 struct opj_event_mgr * p_manager)
5284 {
5285 OPJ_UINT32 i;
5286 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5287 opj_mct_data_t * l_mct_record;
5288 opj_tcp_t * l_tcp;
5289
5290 /* preconditions */
5291 assert(p_j2k != 00);
5292 assert(p_stream != 00);
5293 assert(p_manager != 00);
5294
5295 if (! opj_j2k_write_cbd(p_j2k, p_stream, p_manager)) {
5296 return OPJ_FALSE;
5297 }
5298
5299 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
5300 l_mct_record = l_tcp->m_mct_records;
5301
5302 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5303
5304 if (! opj_j2k_write_mct_record(p_j2k, l_mct_record, p_stream, p_manager)) {
5305 return OPJ_FALSE;
5306 }
5307
5308 ++l_mct_record;
5309 }
5310
5311 l_mcc_record = l_tcp->m_mcc_records;
5312
5313 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5314
5315 if (! opj_j2k_write_mcc_record(p_j2k, l_mcc_record, p_stream, p_manager)) {
5316 return OPJ_FALSE;
5317 }
5318
5319 ++l_mcc_record;
5320 }
5321
5322 if (! opj_j2k_write_mco(p_j2k, p_stream, p_manager)) {
5323 return OPJ_FALSE;
5324 }
5325
5326 return OPJ_TRUE;
5327 }
5328
opj_j2k_write_all_coc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5329 static OPJ_BOOL opj_j2k_write_all_coc(
5330 opj_j2k_t *p_j2k,
5331 struct opj_stream_private *p_stream,
5332 struct opj_event_mgr * p_manager)
5333 {
5334 OPJ_UINT32 compno;
5335
5336 /* preconditions */
5337 assert(p_j2k != 00);
5338 assert(p_manager != 00);
5339 assert(p_stream != 00);
5340
5341 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5342 /* cod is first component of first tile */
5343 if (! opj_j2k_compare_coc(p_j2k, 0, compno)) {
5344 if (! opj_j2k_write_coc(p_j2k, compno, p_stream, p_manager)) {
5345 return OPJ_FALSE;
5346 }
5347 }
5348 }
5349
5350 return OPJ_TRUE;
5351 }
5352
opj_j2k_write_all_qcc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5353 static OPJ_BOOL opj_j2k_write_all_qcc(
5354 opj_j2k_t *p_j2k,
5355 struct opj_stream_private *p_stream,
5356 struct opj_event_mgr * p_manager)
5357 {
5358 OPJ_UINT32 compno;
5359
5360 /* preconditions */
5361 assert(p_j2k != 00);
5362 assert(p_manager != 00);
5363 assert(p_stream != 00);
5364
5365 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5366 /* qcd is first component of first tile */
5367 if (! opj_j2k_compare_qcc(p_j2k, 0, compno)) {
5368 if (! opj_j2k_write_qcc(p_j2k, compno, p_stream, p_manager)) {
5369 return OPJ_FALSE;
5370 }
5371 }
5372 }
5373 return OPJ_TRUE;
5374 }
5375
opj_j2k_write_regions(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5376 static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
5377 struct opj_stream_private *p_stream,
5378 struct opj_event_mgr * p_manager)
5379 {
5380 OPJ_UINT32 compno;
5381 const opj_tccp_t *l_tccp = 00;
5382
5383 /* preconditions */
5384 assert(p_j2k != 00);
5385 assert(p_manager != 00);
5386 assert(p_stream != 00);
5387
5388 l_tccp = p_j2k->m_cp.tcps->tccps;
5389
5390 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
5391 if (l_tccp->roishift) {
5392
5393 if (! opj_j2k_write_rgn(p_j2k, 0, compno, p_j2k->m_private_image->numcomps,
5394 p_stream, p_manager)) {
5395 return OPJ_FALSE;
5396 }
5397 }
5398
5399 ++l_tccp;
5400 }
5401
5402 return OPJ_TRUE;
5403 }
5404
opj_j2k_write_epc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5405 static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
5406 struct opj_stream_private *p_stream,
5407 struct opj_event_mgr * p_manager)
5408 {
5409 opj_codestream_index_t * l_cstr_index = 00;
5410
5411 /* preconditions */
5412 assert(p_j2k != 00);
5413 assert(p_manager != 00);
5414 assert(p_stream != 00);
5415
5416 OPJ_UNUSED(p_manager);
5417
5418 l_cstr_index = p_j2k->cstr_index;
5419 if (l_cstr_index) {
5420 l_cstr_index->codestream_size = (OPJ_UINT64)opj_stream_tell(p_stream);
5421 /* UniPG>> */
5422 /* The following adjustment is done to adjust the codestream size */
5423 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
5424 /* the first bunch of bytes is not in the codestream */
5425 l_cstr_index->codestream_size -= (OPJ_UINT64)l_cstr_index->main_head_start;
5426 /* <<UniPG */
5427 }
5428
5429 #ifdef USE_JPWL
5430 /* preparation of JPWL marker segments */
5431 #if 0
5432 if (cp->epc_on) {
5433
5434 /* encode according to JPWL */
5435 jpwl_encode(p_j2k, p_stream, image);
5436
5437 }
5438 #endif
5439 assert(0 && "TODO");
5440 #endif /* USE_JPWL */
5441
5442 return OPJ_TRUE;
5443 }
5444
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)5445 static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
5446 opj_stream_private_t *p_stream,
5447 OPJ_UINT32 *output_marker,
5448 opj_event_mgr_t * p_manager
5449 )
5450 {
5451 OPJ_UINT32 l_unknown_marker;
5452 const opj_dec_memory_marker_handler_t * l_marker_handler;
5453 OPJ_UINT32 l_size_unk = 2;
5454
5455 /* preconditions*/
5456 assert(p_j2k != 00);
5457 assert(p_manager != 00);
5458 assert(p_stream != 00);
5459
5460 opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n");
5461
5462 for (;;) {
5463 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
5464 if (opj_stream_read_data(p_stream,
5465 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
5466 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
5467 return OPJ_FALSE;
5468 }
5469
5470 /* read 2 bytes as the new marker ID*/
5471 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
5472 &l_unknown_marker, 2);
5473
5474 if (!(l_unknown_marker < 0xff00)) {
5475
5476 /* Get the marker handler from the marker ID*/
5477 l_marker_handler = opj_j2k_get_marker_handler(l_unknown_marker);
5478
5479 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
5480 opj_event_msg(p_manager, EVT_ERROR,
5481 "Marker is not compliant with its position\n");
5482 return OPJ_FALSE;
5483 } else {
5484 if (l_marker_handler->id != J2K_MS_UNK) {
5485 /* Add the marker to the codestream index*/
5486 if (l_marker_handler->id != J2K_MS_SOT) {
5487 OPJ_BOOL res = opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_UNK,
5488 (OPJ_UINT32) opj_stream_tell(p_stream) - l_size_unk,
5489 l_size_unk);
5490 if (res == OPJ_FALSE) {
5491 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
5492 return OPJ_FALSE;
5493 }
5494 }
5495 break; /* next marker is known and well located */
5496 } else {
5497 l_size_unk += 2;
5498 }
5499 }
5500 }
5501 }
5502
5503 *output_marker = l_marker_handler->id ;
5504
5505 return OPJ_TRUE;
5506 }
5507
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)5508 static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
5509 opj_mct_data_t * p_mct_record,
5510 struct opj_stream_private *p_stream,
5511 struct opj_event_mgr * p_manager)
5512 {
5513 OPJ_UINT32 l_mct_size;
5514 OPJ_BYTE * l_current_data = 00;
5515 OPJ_UINT32 l_tmp;
5516
5517 /* preconditions */
5518 assert(p_j2k != 00);
5519 assert(p_manager != 00);
5520 assert(p_stream != 00);
5521
5522 l_mct_size = 10 + p_mct_record->m_data_size;
5523
5524 if (l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5525 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5526 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size);
5527 if (! new_header_tile_data) {
5528 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5529 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5530 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5531 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCT marker\n");
5532 return OPJ_FALSE;
5533 }
5534 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5535 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mct_size;
5536 }
5537
5538 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5539
5540 opj_write_bytes(l_current_data, J2K_MS_MCT,
5541 2); /* MCT */
5542 l_current_data += 2;
5543
5544 opj_write_bytes(l_current_data, l_mct_size - 2,
5545 2); /* Lmct */
5546 l_current_data += 2;
5547
5548 opj_write_bytes(l_current_data, 0,
5549 2); /* Zmct */
5550 l_current_data += 2;
5551
5552 /* only one marker atm */
5553 l_tmp = (p_mct_record->m_index & 0xff) | (p_mct_record->m_array_type << 8) |
5554 (p_mct_record->m_element_type << 10);
5555
5556 opj_write_bytes(l_current_data, l_tmp, 2);
5557 l_current_data += 2;
5558
5559 opj_write_bytes(l_current_data, 0,
5560 2); /* Ymct */
5561 l_current_data += 2;
5562
5563 memcpy(l_current_data, p_mct_record->m_data, p_mct_record->m_data_size);
5564
5565 if (opj_stream_write_data(p_stream,
5566 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size,
5567 p_manager) != l_mct_size) {
5568 return OPJ_FALSE;
5569 }
5570
5571 return OPJ_TRUE;
5572 }
5573
5574 /**
5575 * Reads a MCT marker (Multiple Component Transform)
5576 *
5577 * @param p_header_data the data contained in the MCT box.
5578 * @param p_j2k the jpeg2000 codec.
5579 * @param p_header_size the size of the data contained in the MCT marker.
5580 * @param p_manager the user event manager.
5581 */
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)5582 static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
5583 OPJ_BYTE * p_header_data,
5584 OPJ_UINT32 p_header_size,
5585 opj_event_mgr_t * p_manager
5586 )
5587 {
5588 OPJ_UINT32 i;
5589 opj_tcp_t *l_tcp = 00;
5590 OPJ_UINT32 l_tmp;
5591 OPJ_UINT32 l_indix;
5592 opj_mct_data_t * l_mct_data;
5593 OPJ_BOOL new_mct = OPJ_FALSE;
5594
5595 /* preconditions */
5596 assert(p_header_data != 00);
5597 assert(p_j2k != 00);
5598
5599 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5600 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5601 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5602
5603 if (p_header_size < 2) {
5604 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5605 return OPJ_FALSE;
5606 }
5607
5608 /* first marker */
5609 opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmct */
5610 p_header_data += 2;
5611 if (l_tmp != 0) {
5612 opj_event_msg(p_manager, EVT_WARNING,
5613 "Cannot take in charge mct data within multiple MCT records\n");
5614 return OPJ_TRUE;
5615 }
5616
5617 if (p_header_size <= 6) {
5618 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5619 return OPJ_FALSE;
5620 }
5621
5622 /* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/
5623 opj_read_bytes(p_header_data, &l_tmp, 2); /* Imct */
5624 p_header_data += 2;
5625
5626 l_indix = l_tmp & 0xff;
5627 l_mct_data = l_tcp->m_mct_records;
5628
5629 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5630 if (l_mct_data->m_index == l_indix) {
5631 break;
5632 }
5633 ++l_mct_data;
5634 }
5635
5636 /* NOT FOUND */
5637 if (i == l_tcp->m_nb_mct_records) {
5638 if (l_tcp->m_nb_mct_records == l_tcp->m_nb_max_mct_records) {
5639 opj_mct_data_t *new_mct_records;
5640 l_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
5641
5642 new_mct_records = (opj_mct_data_t *) opj_realloc(l_tcp->m_mct_records,
5643 l_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
5644 if (! new_mct_records) {
5645 opj_free(l_tcp->m_mct_records);
5646 l_tcp->m_mct_records = NULL;
5647 l_tcp->m_nb_max_mct_records = 0;
5648 l_tcp->m_nb_mct_records = 0;
5649 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCT marker\n");
5650 return OPJ_FALSE;
5651 }
5652
5653 /* Update m_mcc_records[].m_offset_array and m_decorrelation_array
5654 * to point to the new addresses */
5655 if (new_mct_records != l_tcp->m_mct_records) {
5656 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5657 opj_simple_mcc_decorrelation_data_t* l_mcc_record =
5658 &(l_tcp->m_mcc_records[i]);
5659 if (l_mcc_record->m_decorrelation_array) {
5660 l_mcc_record->m_decorrelation_array =
5661 new_mct_records +
5662 (l_mcc_record->m_decorrelation_array -
5663 l_tcp->m_mct_records);
5664 }
5665 if (l_mcc_record->m_offset_array) {
5666 l_mcc_record->m_offset_array =
5667 new_mct_records +
5668 (l_mcc_record->m_offset_array -
5669 l_tcp->m_mct_records);
5670 }
5671 }
5672 }
5673
5674 l_tcp->m_mct_records = new_mct_records;
5675 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5676 memset(l_mct_data, 0, (l_tcp->m_nb_max_mct_records - l_tcp->m_nb_mct_records) *
5677 sizeof(opj_mct_data_t));
5678 }
5679
5680 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5681 new_mct = OPJ_TRUE;
5682 }
5683
5684 if (l_mct_data->m_data) {
5685 opj_free(l_mct_data->m_data);
5686 l_mct_data->m_data = 00;
5687 l_mct_data->m_data_size = 0;
5688 }
5689
5690 l_mct_data->m_index = l_indix;
5691 l_mct_data->m_array_type = (J2K_MCT_ARRAY_TYPE)((l_tmp >> 8) & 3);
5692 l_mct_data->m_element_type = (J2K_MCT_ELEMENT_TYPE)((l_tmp >> 10) & 3);
5693
5694 opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymct */
5695 p_header_data += 2;
5696 if (l_tmp != 0) {
5697 opj_event_msg(p_manager, EVT_WARNING,
5698 "Cannot take in charge multiple MCT markers\n");
5699 return OPJ_TRUE;
5700 }
5701
5702 p_header_size -= 6;
5703
5704 l_mct_data->m_data = (OPJ_BYTE*)opj_malloc(p_header_size);
5705 if (! l_mct_data->m_data) {
5706 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5707 return OPJ_FALSE;
5708 }
5709 memcpy(l_mct_data->m_data, p_header_data, p_header_size);
5710
5711 l_mct_data->m_data_size = p_header_size;
5712
5713 if (new_mct) {
5714 ++l_tcp->m_nb_mct_records;
5715 }
5716 return OPJ_TRUE;
5717 }
5718
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)5719 static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
5720 struct opj_simple_mcc_decorrelation_data * p_mcc_record,
5721 struct opj_stream_private *p_stream,
5722 struct opj_event_mgr * p_manager)
5723 {
5724 OPJ_UINT32 i;
5725 OPJ_UINT32 l_mcc_size;
5726 OPJ_BYTE * l_current_data = 00;
5727 OPJ_UINT32 l_nb_bytes_for_comp;
5728 OPJ_UINT32 l_mask;
5729 OPJ_UINT32 l_tmcc;
5730
5731 /* preconditions */
5732 assert(p_j2k != 00);
5733 assert(p_manager != 00);
5734 assert(p_stream != 00);
5735
5736 if (p_mcc_record->m_nb_comps > 255) {
5737 l_nb_bytes_for_comp = 2;
5738 l_mask = 0x8000;
5739 } else {
5740 l_nb_bytes_for_comp = 1;
5741 l_mask = 0;
5742 }
5743
5744 l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19;
5745 if (l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5746 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5747 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size);
5748 if (! new_header_tile_data) {
5749 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5750 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5751 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5752 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCC marker\n");
5753 return OPJ_FALSE;
5754 }
5755 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5756 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mcc_size;
5757 }
5758
5759 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5760
5761 opj_write_bytes(l_current_data, J2K_MS_MCC,
5762 2); /* MCC */
5763 l_current_data += 2;
5764
5765 opj_write_bytes(l_current_data, l_mcc_size - 2,
5766 2); /* Lmcc */
5767 l_current_data += 2;
5768
5769 /* first marker */
5770 opj_write_bytes(l_current_data, 0,
5771 2); /* Zmcc */
5772 l_current_data += 2;
5773
5774 opj_write_bytes(l_current_data, p_mcc_record->m_index,
5775 1); /* Imcc -> no need for other values, take the first */
5776 ++l_current_data;
5777
5778 /* only one marker atm */
5779 opj_write_bytes(l_current_data, 0,
5780 2); /* Ymcc */
5781 l_current_data += 2;
5782
5783 opj_write_bytes(l_current_data, 1,
5784 2); /* Qmcc -> number of collections -> 1 */
5785 l_current_data += 2;
5786
5787 opj_write_bytes(l_current_data, 0x1,
5788 1); /* Xmcci type of component transformation -> array based decorrelation */
5789 ++l_current_data;
5790
5791 opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
5792 2); /* Nmcci number of input components involved and size for each component offset = 8 bits */
5793 l_current_data += 2;
5794
5795 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
5796 opj_write_bytes(l_current_data, i,
5797 l_nb_bytes_for_comp); /* Cmccij Component offset*/
5798 l_current_data += l_nb_bytes_for_comp;
5799 }
5800
5801 opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
5802 2); /* Mmcci number of output components involved and size for each component offset = 8 bits */
5803 l_current_data += 2;
5804
5805 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
5806 opj_write_bytes(l_current_data, i,
5807 l_nb_bytes_for_comp); /* Wmccij Component offset*/
5808 l_current_data += l_nb_bytes_for_comp;
5809 }
5810
5811 l_tmcc = ((!p_mcc_record->m_is_irreversible) & 1U) << 16;
5812
5813 if (p_mcc_record->m_decorrelation_array) {
5814 l_tmcc |= p_mcc_record->m_decorrelation_array->m_index;
5815 }
5816
5817 if (p_mcc_record->m_offset_array) {
5818 l_tmcc |= ((p_mcc_record->m_offset_array->m_index) << 8);
5819 }
5820
5821 opj_write_bytes(l_current_data, l_tmcc,
5822 3); /* Tmcci : use MCT defined as number 1 and irreversible array based. */
5823 l_current_data += 3;
5824
5825 if (opj_stream_write_data(p_stream,
5826 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size,
5827 p_manager) != l_mcc_size) {
5828 return OPJ_FALSE;
5829 }
5830
5831 return OPJ_TRUE;
5832 }
5833
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)5834 static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
5835 OPJ_BYTE * p_header_data,
5836 OPJ_UINT32 p_header_size,
5837 opj_event_mgr_t * p_manager)
5838 {
5839 OPJ_UINT32 i, j;
5840 OPJ_UINT32 l_tmp;
5841 OPJ_UINT32 l_indix;
5842 opj_tcp_t * l_tcp;
5843 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5844 opj_mct_data_t * l_mct_data;
5845 OPJ_UINT32 l_nb_collections;
5846 OPJ_UINT32 l_nb_comps;
5847 OPJ_UINT32 l_nb_bytes_by_comp;
5848 OPJ_BOOL l_new_mcc = OPJ_FALSE;
5849
5850 /* preconditions */
5851 assert(p_header_data != 00);
5852 assert(p_j2k != 00);
5853 assert(p_manager != 00);
5854
5855 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5856 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5857 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5858
5859 if (p_header_size < 2) {
5860 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5861 return OPJ_FALSE;
5862 }
5863
5864 /* first marker */
5865 opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmcc */
5866 p_header_data += 2;
5867 if (l_tmp != 0) {
5868 opj_event_msg(p_manager, EVT_WARNING,
5869 "Cannot take in charge multiple data spanning\n");
5870 return OPJ_TRUE;
5871 }
5872
5873 if (p_header_size < 7) {
5874 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5875 return OPJ_FALSE;
5876 }
5877
5878 opj_read_bytes(p_header_data, &l_indix,
5879 1); /* Imcc -> no need for other values, take the first */
5880 ++p_header_data;
5881
5882 l_mcc_record = l_tcp->m_mcc_records;
5883
5884 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5885 if (l_mcc_record->m_index == l_indix) {
5886 break;
5887 }
5888 ++l_mcc_record;
5889 }
5890
5891 /** NOT FOUND */
5892 if (i == l_tcp->m_nb_mcc_records) {
5893 if (l_tcp->m_nb_mcc_records == l_tcp->m_nb_max_mcc_records) {
5894 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
5895 l_tcp->m_nb_max_mcc_records += OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
5896
5897 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
5898 l_tcp->m_mcc_records, l_tcp->m_nb_max_mcc_records * sizeof(
5899 opj_simple_mcc_decorrelation_data_t));
5900 if (! new_mcc_records) {
5901 opj_free(l_tcp->m_mcc_records);
5902 l_tcp->m_mcc_records = NULL;
5903 l_tcp->m_nb_max_mcc_records = 0;
5904 l_tcp->m_nb_mcc_records = 0;
5905 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCC marker\n");
5906 return OPJ_FALSE;
5907 }
5908 l_tcp->m_mcc_records = new_mcc_records;
5909 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
5910 memset(l_mcc_record, 0, (l_tcp->m_nb_max_mcc_records - l_tcp->m_nb_mcc_records)
5911 * sizeof(opj_simple_mcc_decorrelation_data_t));
5912 }
5913 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
5914 l_new_mcc = OPJ_TRUE;
5915 }
5916 l_mcc_record->m_index = l_indix;
5917
5918 /* only one marker atm */
5919 opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymcc */
5920 p_header_data += 2;
5921 if (l_tmp != 0) {
5922 opj_event_msg(p_manager, EVT_WARNING,
5923 "Cannot take in charge multiple data spanning\n");
5924 return OPJ_TRUE;
5925 }
5926
5927 opj_read_bytes(p_header_data, &l_nb_collections,
5928 2); /* Qmcc -> number of collections -> 1 */
5929 p_header_data += 2;
5930
5931 if (l_nb_collections > 1) {
5932 opj_event_msg(p_manager, EVT_WARNING,
5933 "Cannot take in charge multiple collections\n");
5934 return OPJ_TRUE;
5935 }
5936
5937 p_header_size -= 7;
5938
5939 for (i = 0; i < l_nb_collections; ++i) {
5940 if (p_header_size < 3) {
5941 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5942 return OPJ_FALSE;
5943 }
5944
5945 opj_read_bytes(p_header_data, &l_tmp,
5946 1); /* Xmcci type of component transformation -> array based decorrelation */
5947 ++p_header_data;
5948
5949 if (l_tmp != 1) {
5950 opj_event_msg(p_manager, EVT_WARNING,
5951 "Cannot take in charge collections other than array decorrelation\n");
5952 return OPJ_TRUE;
5953 }
5954
5955 opj_read_bytes(p_header_data, &l_nb_comps, 2);
5956
5957 p_header_data += 2;
5958 p_header_size -= 3;
5959
5960 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
5961 l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff;
5962
5963 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2)) {
5964 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5965 return OPJ_FALSE;
5966 }
5967
5968 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2);
5969
5970 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
5971 opj_read_bytes(p_header_data, &l_tmp,
5972 l_nb_bytes_by_comp); /* Cmccij Component offset*/
5973 p_header_data += l_nb_bytes_by_comp;
5974
5975 if (l_tmp != j) {
5976 opj_event_msg(p_manager, EVT_WARNING,
5977 "Cannot take in charge collections with indix shuffle\n");
5978 return OPJ_TRUE;
5979 }
5980 }
5981
5982 opj_read_bytes(p_header_data, &l_nb_comps, 2);
5983 p_header_data += 2;
5984
5985 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
5986 l_nb_comps &= 0x7fff;
5987
5988 if (l_nb_comps != l_mcc_record->m_nb_comps) {
5989 opj_event_msg(p_manager, EVT_WARNING,
5990 "Cannot take in charge collections without same number of indixes\n");
5991 return OPJ_TRUE;
5992 }
5993
5994 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3)) {
5995 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5996 return OPJ_FALSE;
5997 }
5998
5999 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3);
6000
6001 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
6002 opj_read_bytes(p_header_data, &l_tmp,
6003 l_nb_bytes_by_comp); /* Wmccij Component offset*/
6004 p_header_data += l_nb_bytes_by_comp;
6005
6006 if (l_tmp != j) {
6007 opj_event_msg(p_manager, EVT_WARNING,
6008 "Cannot take in charge collections with indix shuffle\n");
6009 return OPJ_TRUE;
6010 }
6011 }
6012
6013 opj_read_bytes(p_header_data, &l_tmp, 3); /* Wmccij Component offset*/
6014 p_header_data += 3;
6015
6016 l_mcc_record->m_is_irreversible = !((l_tmp >> 16) & 1);
6017 l_mcc_record->m_decorrelation_array = 00;
6018 l_mcc_record->m_offset_array = 00;
6019
6020 l_indix = l_tmp & 0xff;
6021 if (l_indix != 0) {
6022 l_mct_data = l_tcp->m_mct_records;
6023 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6024 if (l_mct_data->m_index == l_indix) {
6025 l_mcc_record->m_decorrelation_array = l_mct_data;
6026 break;
6027 }
6028 ++l_mct_data;
6029 }
6030
6031 if (l_mcc_record->m_decorrelation_array == 00) {
6032 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6033 return OPJ_FALSE;
6034 }
6035 }
6036
6037 l_indix = (l_tmp >> 8) & 0xff;
6038 if (l_indix != 0) {
6039 l_mct_data = l_tcp->m_mct_records;
6040 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6041 if (l_mct_data->m_index == l_indix) {
6042 l_mcc_record->m_offset_array = l_mct_data;
6043 break;
6044 }
6045 ++l_mct_data;
6046 }
6047
6048 if (l_mcc_record->m_offset_array == 00) {
6049 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6050 return OPJ_FALSE;
6051 }
6052 }
6053 }
6054
6055 if (p_header_size != 0) {
6056 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6057 return OPJ_FALSE;
6058 }
6059
6060 if (l_new_mcc) {
6061 ++l_tcp->m_nb_mcc_records;
6062 }
6063
6064 return OPJ_TRUE;
6065 }
6066
opj_j2k_write_mco(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)6067 static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
6068 struct opj_stream_private *p_stream,
6069 struct opj_event_mgr * p_manager
6070 )
6071 {
6072 OPJ_BYTE * l_current_data = 00;
6073 OPJ_UINT32 l_mco_size;
6074 opj_tcp_t * l_tcp = 00;
6075 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6076 OPJ_UINT32 i;
6077
6078 /* preconditions */
6079 assert(p_j2k != 00);
6080 assert(p_manager != 00);
6081 assert(p_stream != 00);
6082
6083 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
6084
6085 l_mco_size = 5 + l_tcp->m_nb_mcc_records;
6086 if (l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6087
6088 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6089 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size);
6090 if (! new_header_tile_data) {
6091 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6092 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6093 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6094 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCO marker\n");
6095 return OPJ_FALSE;
6096 }
6097 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6098 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
6099 }
6100 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6101
6102
6103 opj_write_bytes(l_current_data, J2K_MS_MCO, 2); /* MCO */
6104 l_current_data += 2;
6105
6106 opj_write_bytes(l_current_data, l_mco_size - 2, 2); /* Lmco */
6107 l_current_data += 2;
6108
6109 opj_write_bytes(l_current_data, l_tcp->m_nb_mcc_records,
6110 1); /* Nmco : only one transform stage*/
6111 ++l_current_data;
6112
6113 l_mcc_record = l_tcp->m_mcc_records;
6114 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
6115 opj_write_bytes(l_current_data, l_mcc_record->m_index,
6116 1); /* Imco -> use the mcc indicated by 1*/
6117 ++l_current_data;
6118 ++l_mcc_record;
6119 }
6120
6121 if (opj_stream_write_data(p_stream,
6122 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size,
6123 p_manager) != l_mco_size) {
6124 return OPJ_FALSE;
6125 }
6126
6127 return OPJ_TRUE;
6128 }
6129
6130 /**
6131 * Reads a MCO marker (Multiple Component Transform Ordering)
6132 *
6133 * @param p_header_data the data contained in the MCO box.
6134 * @param p_j2k the jpeg2000 codec.
6135 * @param p_header_size the size of the data contained in the MCO marker.
6136 * @param p_manager the user event manager.
6137 */
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)6138 static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
6139 OPJ_BYTE * p_header_data,
6140 OPJ_UINT32 p_header_size,
6141 opj_event_mgr_t * p_manager
6142 )
6143 {
6144 OPJ_UINT32 l_tmp, i;
6145 OPJ_UINT32 l_nb_stages;
6146 opj_tcp_t * l_tcp;
6147 opj_tccp_t * l_tccp;
6148 opj_image_t * l_image;
6149
6150 /* preconditions */
6151 assert(p_header_data != 00);
6152 assert(p_j2k != 00);
6153 assert(p_manager != 00);
6154
6155 l_image = p_j2k->m_private_image;
6156 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
6157 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
6158 p_j2k->m_specific_param.m_decoder.m_default_tcp;
6159
6160 if (p_header_size < 1) {
6161 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCO marker\n");
6162 return OPJ_FALSE;
6163 }
6164
6165 opj_read_bytes(p_header_data, &l_nb_stages,
6166 1); /* Nmco : only one transform stage*/
6167 ++p_header_data;
6168
6169 if (l_nb_stages > 1) {
6170 opj_event_msg(p_manager, EVT_WARNING,
6171 "Cannot take in charge multiple transformation stages.\n");
6172 return OPJ_TRUE;
6173 }
6174
6175 if (p_header_size != l_nb_stages + 1) {
6176 opj_event_msg(p_manager, EVT_WARNING, "Error reading MCO marker\n");
6177 return OPJ_FALSE;
6178 }
6179
6180 l_tccp = l_tcp->tccps;
6181
6182 for (i = 0; i < l_image->numcomps; ++i) {
6183 l_tccp->m_dc_level_shift = 0;
6184 ++l_tccp;
6185 }
6186
6187 if (l_tcp->m_mct_decoding_matrix) {
6188 opj_free(l_tcp->m_mct_decoding_matrix);
6189 l_tcp->m_mct_decoding_matrix = 00;
6190 }
6191
6192 for (i = 0; i < l_nb_stages; ++i) {
6193 opj_read_bytes(p_header_data, &l_tmp, 1);
6194 ++p_header_data;
6195
6196 if (! opj_j2k_add_mct(l_tcp, p_j2k->m_private_image, l_tmp)) {
6197 return OPJ_FALSE;
6198 }
6199 }
6200
6201 return OPJ_TRUE;
6202 }
6203
opj_j2k_add_mct(opj_tcp_t * p_tcp,opj_image_t * p_image,OPJ_UINT32 p_index)6204 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
6205 OPJ_UINT32 p_index)
6206 {
6207 OPJ_UINT32 i;
6208 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6209 opj_mct_data_t * l_deco_array, * l_offset_array;
6210 OPJ_UINT32 l_data_size, l_mct_size, l_offset_size;
6211 OPJ_UINT32 l_nb_elem;
6212 OPJ_UINT32 * l_offset_data, * l_current_offset_data;
6213 opj_tccp_t * l_tccp;
6214
6215 /* preconditions */
6216 assert(p_tcp != 00);
6217
6218 l_mcc_record = p_tcp->m_mcc_records;
6219
6220 for (i = 0; i < p_tcp->m_nb_mcc_records; ++i) {
6221 if (l_mcc_record->m_index == p_index) {
6222 break;
6223 }
6224 }
6225
6226 if (i == p_tcp->m_nb_mcc_records) {
6227 /** element discarded **/
6228 return OPJ_TRUE;
6229 }
6230
6231 if (l_mcc_record->m_nb_comps != p_image->numcomps) {
6232 /** do not support number of comps != image */
6233 return OPJ_TRUE;
6234 }
6235
6236 l_deco_array = l_mcc_record->m_decorrelation_array;
6237
6238 if (l_deco_array) {
6239 l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps
6240 * p_image->numcomps;
6241 if (l_deco_array->m_data_size != l_data_size || ! l_deco_array->m_data) {
6242 return OPJ_FALSE;
6243 }
6244
6245 l_nb_elem = p_image->numcomps * p_image->numcomps;
6246 l_mct_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
6247 p_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
6248
6249 if (! p_tcp->m_mct_decoding_matrix) {
6250 return OPJ_FALSE;
6251 }
6252
6253 j2k_mct_read_functions_to_float[l_deco_array->m_element_type](
6254 l_deco_array->m_data, p_tcp->m_mct_decoding_matrix, l_nb_elem);
6255 }
6256
6257 l_offset_array = l_mcc_record->m_offset_array;
6258
6259 if (l_offset_array) {
6260 l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] *
6261 p_image->numcomps;
6262 if (l_offset_array->m_data_size != l_data_size || ! l_offset_array->m_data) {
6263 return OPJ_FALSE;
6264 }
6265
6266 l_nb_elem = p_image->numcomps;
6267 l_offset_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_UINT32);
6268 l_offset_data = (OPJ_UINT32*)opj_malloc(l_offset_size);
6269
6270 if (! l_offset_data) {
6271 return OPJ_FALSE;
6272 }
6273
6274 j2k_mct_read_functions_to_int32[l_offset_array->m_element_type](
6275 l_offset_array->m_data, l_offset_data, l_nb_elem);
6276
6277 l_tccp = p_tcp->tccps;
6278 l_current_offset_data = l_offset_data;
6279
6280 for (i = 0; i < p_image->numcomps; ++i) {
6281 l_tccp->m_dc_level_shift = (OPJ_INT32) * (l_current_offset_data++);
6282 ++l_tccp;
6283 }
6284
6285 opj_free(l_offset_data);
6286 }
6287
6288 return OPJ_TRUE;
6289 }
6290
opj_j2k_write_cbd(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)6291 static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
6292 struct opj_stream_private *p_stream,
6293 struct opj_event_mgr * p_manager)
6294 {
6295 OPJ_UINT32 i;
6296 OPJ_UINT32 l_cbd_size;
6297 OPJ_BYTE * l_current_data = 00;
6298 opj_image_t *l_image = 00;
6299 opj_image_comp_t * l_comp = 00;
6300
6301 /* preconditions */
6302 assert(p_j2k != 00);
6303 assert(p_manager != 00);
6304 assert(p_stream != 00);
6305
6306 l_image = p_j2k->m_private_image;
6307 l_cbd_size = 6 + p_j2k->m_private_image->numcomps;
6308
6309 if (l_cbd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6310 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6311 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size);
6312 if (! new_header_tile_data) {
6313 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6314 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6315 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6316 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write CBD marker\n");
6317 return OPJ_FALSE;
6318 }
6319 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6320 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_cbd_size;
6321 }
6322
6323 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6324
6325 opj_write_bytes(l_current_data, J2K_MS_CBD, 2); /* CBD */
6326 l_current_data += 2;
6327
6328 opj_write_bytes(l_current_data, l_cbd_size - 2, 2); /* L_CBD */
6329 l_current_data += 2;
6330
6331 opj_write_bytes(l_current_data, l_image->numcomps, 2); /* Ncbd */
6332 l_current_data += 2;
6333
6334 l_comp = l_image->comps;
6335
6336 for (i = 0; i < l_image->numcomps; ++i) {
6337 opj_write_bytes(l_current_data, (l_comp->sgnd << 7) | (l_comp->prec - 1),
6338 1); /* Component bit depth */
6339 ++l_current_data;
6340
6341 ++l_comp;
6342 }
6343
6344 if (opj_stream_write_data(p_stream,
6345 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size,
6346 p_manager) != l_cbd_size) {
6347 return OPJ_FALSE;
6348 }
6349
6350 return OPJ_TRUE;
6351 }
6352
6353 /**
6354 * Reads a CBD marker (Component bit depth definition)
6355 * @param p_header_data the data contained in the CBD box.
6356 * @param p_j2k the jpeg2000 codec.
6357 * @param p_header_size the size of the data contained in the CBD marker.
6358 * @param p_manager the user event manager.
6359 */
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)6360 static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
6361 OPJ_BYTE * p_header_data,
6362 OPJ_UINT32 p_header_size,
6363 opj_event_mgr_t * p_manager
6364 )
6365 {
6366 OPJ_UINT32 l_nb_comp, l_num_comp;
6367 OPJ_UINT32 l_comp_def;
6368 OPJ_UINT32 i;
6369 opj_image_comp_t * l_comp = 00;
6370
6371 /* preconditions */
6372 assert(p_header_data != 00);
6373 assert(p_j2k != 00);
6374 assert(p_manager != 00);
6375
6376 l_num_comp = p_j2k->m_private_image->numcomps;
6377
6378 if (p_header_size != (p_j2k->m_private_image->numcomps + 2)) {
6379 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
6380 return OPJ_FALSE;
6381 }
6382
6383 opj_read_bytes(p_header_data, &l_nb_comp,
6384 2); /* Ncbd */
6385 p_header_data += 2;
6386
6387 if (l_nb_comp != l_num_comp) {
6388 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
6389 return OPJ_FALSE;
6390 }
6391
6392 l_comp = p_j2k->m_private_image->comps;
6393 for (i = 0; i < l_num_comp; ++i) {
6394 opj_read_bytes(p_header_data, &l_comp_def,
6395 1); /* Component bit depth */
6396 ++p_header_data;
6397 l_comp->sgnd = (l_comp_def >> 7) & 1;
6398 l_comp->prec = (l_comp_def & 0x7f) + 1;
6399
6400 if (l_comp->prec > 31) {
6401 opj_event_msg(p_manager, EVT_ERROR,
6402 "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",
6403 i, l_comp->prec);
6404 return OPJ_FALSE;
6405 }
6406 ++l_comp;
6407 }
6408
6409 return OPJ_TRUE;
6410 }
6411
6412 /* ----------------------------------------------------------------------- */
6413 /* J2K / JPT decoder interface */
6414 /* ----------------------------------------------------------------------- */
6415
opj_j2k_setup_decoder(opj_j2k_t * j2k,opj_dparameters_t * parameters)6416 void opj_j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters)
6417 {
6418 if (j2k && parameters) {
6419 j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer;
6420 j2k->m_cp.m_specific_param.m_dec.m_reduce = parameters->cp_reduce;
6421
6422 j2k->dump_state = (parameters->flags & OPJ_DPARAMETERS_DUMP_FLAG);
6423 #ifdef USE_JPWL
6424 j2k->m_cp.correct = parameters->jpwl_correct;
6425 j2k->m_cp.exp_comps = parameters->jpwl_exp_comps;
6426 j2k->m_cp.max_tiles = parameters->jpwl_max_tiles;
6427 #endif /* USE_JPWL */
6428 }
6429 }
6430
opj_j2k_set_threads(opj_j2k_t * j2k,OPJ_UINT32 num_threads)6431 OPJ_BOOL opj_j2k_set_threads(opj_j2k_t *j2k, OPJ_UINT32 num_threads)
6432 {
6433 /* Currently we pass the thread-pool to the tcd, so we cannot re-set it */
6434 /* afterwards */
6435 if (opj_has_thread_support() && j2k->m_tcd == NULL) {
6436 opj_thread_pool_destroy(j2k->m_tp);
6437 j2k->m_tp = NULL;
6438 if (num_threads <= (OPJ_UINT32)INT_MAX) {
6439 j2k->m_tp = opj_thread_pool_create((int)num_threads);
6440 }
6441 if (j2k->m_tp == NULL) {
6442 j2k->m_tp = opj_thread_pool_create(0);
6443 return OPJ_FALSE;
6444 }
6445 return OPJ_TRUE;
6446 }
6447 return OPJ_FALSE;
6448 }
6449
opj_j2k_get_default_thread_count()6450 static int opj_j2k_get_default_thread_count()
6451 {
6452 const char* num_threads_str = getenv("OPJ_NUM_THREADS");
6453 int num_cpus;
6454 int num_threads;
6455
6456 if (num_threads_str == NULL || !opj_has_thread_support()) {
6457 return 0;
6458 }
6459 num_cpus = opj_get_num_cpus();
6460 if (strcmp(num_threads_str, "ALL_CPUS") == 0) {
6461 return num_cpus;
6462 }
6463 if (num_cpus == 0) {
6464 num_cpus = 32;
6465 }
6466 num_threads = atoi(num_threads_str);
6467 if (num_threads < 0) {
6468 num_threads = 0;
6469 } else if (num_threads > 2 * num_cpus) {
6470 num_threads = 2 * num_cpus;
6471 }
6472 return num_threads;
6473 }
6474
6475 /* ----------------------------------------------------------------------- */
6476 /* J2K encoder interface */
6477 /* ----------------------------------------------------------------------- */
6478
opj_j2k_create_compress(void)6479 opj_j2k_t* opj_j2k_create_compress(void)
6480 {
6481 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
6482 if (!l_j2k) {
6483 return NULL;
6484 }
6485
6486
6487 l_j2k->m_is_decoder = 0;
6488 l_j2k->m_cp.m_is_decoder = 0;
6489
6490 l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(
6491 OPJ_J2K_DEFAULT_HEADER_SIZE);
6492 if (! l_j2k->m_specific_param.m_encoder.m_header_tile_data) {
6493 opj_j2k_destroy(l_j2k);
6494 return NULL;
6495 }
6496
6497 l_j2k->m_specific_param.m_encoder.m_header_tile_data_size =
6498 OPJ_J2K_DEFAULT_HEADER_SIZE;
6499
6500 /* validation list creation*/
6501 l_j2k->m_validation_list = opj_procedure_list_create();
6502 if (! l_j2k->m_validation_list) {
6503 opj_j2k_destroy(l_j2k);
6504 return NULL;
6505 }
6506
6507 /* execution list creation*/
6508 l_j2k->m_procedure_list = opj_procedure_list_create();
6509 if (! l_j2k->m_procedure_list) {
6510 opj_j2k_destroy(l_j2k);
6511 return NULL;
6512 }
6513
6514 l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
6515 if (!l_j2k->m_tp) {
6516 l_j2k->m_tp = opj_thread_pool_create(0);
6517 }
6518 if (!l_j2k->m_tp) {
6519 opj_j2k_destroy(l_j2k);
6520 return NULL;
6521 }
6522
6523 return l_j2k;
6524 }
6525
opj_j2k_initialise_4K_poc(opj_poc_t * POC,int numres)6526 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres)
6527 {
6528 POC[0].tile = 1;
6529 POC[0].resno0 = 0;
6530 POC[0].compno0 = 0;
6531 POC[0].layno1 = 1;
6532 POC[0].resno1 = (OPJ_UINT32)(numres - 1);
6533 POC[0].compno1 = 3;
6534 POC[0].prg1 = OPJ_CPRL;
6535 POC[1].tile = 1;
6536 POC[1].resno0 = (OPJ_UINT32)(numres - 1);
6537 POC[1].compno0 = 0;
6538 POC[1].layno1 = 1;
6539 POC[1].resno1 = (OPJ_UINT32)numres;
6540 POC[1].compno1 = 3;
6541 POC[1].prg1 = OPJ_CPRL;
6542 return 2;
6543 }
6544
opj_j2k_set_cinema_parameters(opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)6545 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
6546 opj_image_t *image, opj_event_mgr_t *p_manager)
6547 {
6548 /* Configure cinema parameters */
6549 int i;
6550
6551 /* No tiling */
6552 parameters->tile_size_on = OPJ_FALSE;
6553 parameters->cp_tdx = 1;
6554 parameters->cp_tdy = 1;
6555
6556 /* One tile part for each component */
6557 parameters->tp_flag = 'C';
6558 parameters->tp_on = 1;
6559
6560 /* Tile and Image shall be at (0,0) */
6561 parameters->cp_tx0 = 0;
6562 parameters->cp_ty0 = 0;
6563 parameters->image_offset_x0 = 0;
6564 parameters->image_offset_y0 = 0;
6565
6566 /* Codeblock size= 32*32 */
6567 parameters->cblockw_init = 32;
6568 parameters->cblockh_init = 32;
6569
6570 /* Codeblock style: no mode switch enabled */
6571 parameters->mode = 0;
6572
6573 /* No ROI */
6574 parameters->roi_compno = -1;
6575
6576 /* No subsampling */
6577 parameters->subsampling_dx = 1;
6578 parameters->subsampling_dy = 1;
6579
6580 /* 9-7 transform */
6581 parameters->irreversible = 1;
6582
6583 /* Number of layers */
6584 if (parameters->tcp_numlayers > 1) {
6585 opj_event_msg(p_manager, EVT_WARNING,
6586 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6587 "1 single quality layer"
6588 "-> Number of layers forced to 1 (rather than %d)\n"
6589 "-> Rate of the last layer (%3.1f) will be used",
6590 parameters->tcp_numlayers,
6591 parameters->tcp_rates[parameters->tcp_numlayers - 1]);
6592 parameters->tcp_rates[0] = parameters->tcp_rates[parameters->tcp_numlayers - 1];
6593 parameters->tcp_numlayers = 1;
6594 }
6595
6596 /* Resolution levels */
6597 switch (parameters->rsiz) {
6598 case OPJ_PROFILE_CINEMA_2K:
6599 if (parameters->numresolution > 6) {
6600 opj_event_msg(p_manager, EVT_WARNING,
6601 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6602 "Number of decomposition levels <= 5\n"
6603 "-> Number of decomposition levels forced to 5 (rather than %d)\n",
6604 parameters->numresolution + 1);
6605 parameters->numresolution = 6;
6606 }
6607 break;
6608 case OPJ_PROFILE_CINEMA_4K:
6609 if (parameters->numresolution < 2) {
6610 opj_event_msg(p_manager, EVT_WARNING,
6611 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6612 "Number of decomposition levels >= 1 && <= 6\n"
6613 "-> Number of decomposition levels forced to 1 (rather than %d)\n",
6614 parameters->numresolution + 1);
6615 parameters->numresolution = 1;
6616 } else if (parameters->numresolution > 7) {
6617 opj_event_msg(p_manager, EVT_WARNING,
6618 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6619 "Number of decomposition levels >= 1 && <= 6\n"
6620 "-> Number of decomposition levels forced to 6 (rather than %d)\n",
6621 parameters->numresolution + 1);
6622 parameters->numresolution = 7;
6623 }
6624 break;
6625 default :
6626 break;
6627 }
6628
6629 /* Precincts */
6630 parameters->csty |= 0x01;
6631 if (parameters->numresolution == 1) {
6632 parameters->res_spec = 1;
6633 parameters->prcw_init[0] = 128;
6634 parameters->prch_init[0] = 128;
6635 } else {
6636 parameters->res_spec = parameters->numresolution - 1;
6637 for (i = 0; i < parameters->res_spec; i++) {
6638 parameters->prcw_init[i] = 256;
6639 parameters->prch_init[i] = 256;
6640 }
6641 }
6642
6643 /* The progression order shall be CPRL */
6644 parameters->prog_order = OPJ_CPRL;
6645
6646 /* Progression order changes for 4K, disallowed for 2K */
6647 if (parameters->rsiz == OPJ_PROFILE_CINEMA_4K) {
6648 parameters->numpocs = (OPJ_UINT32)opj_j2k_initialise_4K_poc(parameters->POC,
6649 parameters->numresolution);
6650 } else {
6651 parameters->numpocs = 0;
6652 }
6653
6654 /* Limited bit-rate */
6655 parameters->cp_disto_alloc = 1;
6656 if (parameters->max_cs_size <= 0) {
6657 /* No rate has been introduced, 24 fps is assumed */
6658 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6659 opj_event_msg(p_manager, EVT_WARNING,
6660 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6661 "Maximum 1302083 compressed bytes @ 24fps\n"
6662 "As no rate has been given, this limit will be used.\n");
6663 } else if (parameters->max_cs_size > OPJ_CINEMA_24_CS) {
6664 opj_event_msg(p_manager, EVT_WARNING,
6665 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6666 "Maximum 1302083 compressed bytes @ 24fps\n"
6667 "-> Specified rate exceeds this limit. Rate will be forced to 1302083 bytes.\n");
6668 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6669 }
6670
6671 if (parameters->max_comp_size <= 0) {
6672 /* No rate has been introduced, 24 fps is assumed */
6673 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6674 opj_event_msg(p_manager, EVT_WARNING,
6675 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6676 "Maximum 1041666 compressed bytes @ 24fps\n"
6677 "As no rate has been given, this limit will be used.\n");
6678 } else if (parameters->max_comp_size > OPJ_CINEMA_24_COMP) {
6679 opj_event_msg(p_manager, EVT_WARNING,
6680 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6681 "Maximum 1041666 compressed bytes @ 24fps\n"
6682 "-> Specified rate exceeds this limit. Rate will be forced to 1041666 bytes.\n");
6683 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6684 }
6685
6686 parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
6687 image->comps[0].h * image->comps[0].prec) /
6688 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
6689 image->comps[0].dy);
6690
6691 }
6692
opj_j2k_is_cinema_compliant(opj_image_t * image,OPJ_UINT16 rsiz,opj_event_mgr_t * p_manager)6693 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
6694 opj_event_mgr_t *p_manager)
6695 {
6696 OPJ_UINT32 i;
6697
6698 /* Number of components */
6699 if (image->numcomps != 3) {
6700 opj_event_msg(p_manager, EVT_WARNING,
6701 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6702 "3 components"
6703 "-> Number of components of input image (%d) is not compliant\n"
6704 "-> Non-profile-3 codestream will be generated\n",
6705 image->numcomps);
6706 return OPJ_FALSE;
6707 }
6708
6709 /* Bitdepth */
6710 for (i = 0; i < image->numcomps; i++) {
6711 if ((image->comps[i].bpp != 12) | (image->comps[i].sgnd)) {
6712 char signed_str[] = "signed";
6713 char unsigned_str[] = "unsigned";
6714 char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
6715 opj_event_msg(p_manager, EVT_WARNING,
6716 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6717 "Precision of each component shall be 12 bits unsigned"
6718 "-> At least component %d of input image (%d bits, %s) is not compliant\n"
6719 "-> Non-profile-3 codestream will be generated\n",
6720 i, image->comps[i].bpp, tmp_str);
6721 return OPJ_FALSE;
6722 }
6723 }
6724
6725 /* Image size */
6726 switch (rsiz) {
6727 case OPJ_PROFILE_CINEMA_2K:
6728 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1080))) {
6729 opj_event_msg(p_manager, EVT_WARNING,
6730 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6731 "width <= 2048 and height <= 1080\n"
6732 "-> Input image size %d x %d is not compliant\n"
6733 "-> Non-profile-3 codestream will be generated\n",
6734 image->comps[0].w, image->comps[0].h);
6735 return OPJ_FALSE;
6736 }
6737 break;
6738 case OPJ_PROFILE_CINEMA_4K:
6739 if (((image->comps[0].w > 4096) | (image->comps[0].h > 2160))) {
6740 opj_event_msg(p_manager, EVT_WARNING,
6741 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6742 "width <= 4096 and height <= 2160\n"
6743 "-> Image size %d x %d is not compliant\n"
6744 "-> Non-profile-4 codestream will be generated\n",
6745 image->comps[0].w, image->comps[0].h);
6746 return OPJ_FALSE;
6747 }
6748 break;
6749 default :
6750 break;
6751 }
6752
6753 return OPJ_TRUE;
6754 }
6755
opj_j2k_setup_encoder(opj_j2k_t * p_j2k,opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)6756 OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
6757 opj_cparameters_t *parameters,
6758 opj_image_t *image,
6759 opj_event_mgr_t * p_manager)
6760 {
6761 OPJ_UINT32 i, j, tileno, numpocs_tile;
6762 opj_cp_t *cp = 00;
6763 OPJ_UINT32 cblkw, cblkh;
6764
6765 if (!p_j2k || !parameters || ! image) {
6766 return OPJ_FALSE;
6767 }
6768
6769 if ((parameters->numresolution <= 0) ||
6770 (parameters->numresolution > OPJ_J2K_MAXRLVLS)) {
6771 opj_event_msg(p_manager, EVT_ERROR,
6772 "Invalid number of resolutions : %d not in range [1,%d]\n",
6773 parameters->numresolution, OPJ_J2K_MAXRLVLS);
6774 return OPJ_FALSE;
6775 }
6776
6777 if (parameters->cblockw_init < 4 || parameters->cblockw_init > 1024) {
6778 opj_event_msg(p_manager, EVT_ERROR,
6779 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
6780 parameters->cblockw_init);
6781 return OPJ_FALSE;
6782 }
6783 if (parameters->cblockh_init < 4 || parameters->cblockh_init > 1024) {
6784 opj_event_msg(p_manager, EVT_ERROR,
6785 "Invalid value for cblockh_init: %d not a power of 2 not in range [4,1024]\n",
6786 parameters->cblockh_init);
6787 return OPJ_FALSE;
6788 }
6789 if (parameters->cblockw_init * parameters->cblockh_init > 4096) {
6790 opj_event_msg(p_manager, EVT_ERROR,
6791 "Invalid value for cblockw_init * cblockh_init: should be <= 4096\n");
6792 return OPJ_FALSE;
6793 }
6794 cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
6795 cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
6796 if (parameters->cblockw_init != (1 << cblkw)) {
6797 opj_event_msg(p_manager, EVT_ERROR,
6798 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
6799 parameters->cblockw_init);
6800 return OPJ_FALSE;
6801 }
6802 if (parameters->cblockh_init != (1 << cblkh)) {
6803 opj_event_msg(p_manager, EVT_ERROR,
6804 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
6805 parameters->cblockh_init);
6806 return OPJ_FALSE;
6807 }
6808
6809 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
6810 cp = &(p_j2k->m_cp);
6811
6812 /* set default values for cp */
6813 cp->tw = 1;
6814 cp->th = 1;
6815
6816 /* FIXME ADE: to be removed once deprecated cp_cinema and cp_rsiz have been removed */
6817 if (parameters->rsiz ==
6818 OPJ_PROFILE_NONE) { /* consider deprecated fields only if RSIZ has not been set */
6819 OPJ_BOOL deprecated_used = OPJ_FALSE;
6820 switch (parameters->cp_cinema) {
6821 case OPJ_CINEMA2K_24:
6822 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
6823 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6824 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6825 deprecated_used = OPJ_TRUE;
6826 break;
6827 case OPJ_CINEMA2K_48:
6828 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
6829 parameters->max_cs_size = OPJ_CINEMA_48_CS;
6830 parameters->max_comp_size = OPJ_CINEMA_48_COMP;
6831 deprecated_used = OPJ_TRUE;
6832 break;
6833 case OPJ_CINEMA4K_24:
6834 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
6835 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6836 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6837 deprecated_used = OPJ_TRUE;
6838 break;
6839 case OPJ_OFF:
6840 default:
6841 break;
6842 }
6843 switch (parameters->cp_rsiz) {
6844 case OPJ_CINEMA2K:
6845 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
6846 deprecated_used = OPJ_TRUE;
6847 break;
6848 case OPJ_CINEMA4K:
6849 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
6850 deprecated_used = OPJ_TRUE;
6851 break;
6852 case OPJ_MCT:
6853 parameters->rsiz = OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT;
6854 deprecated_used = OPJ_TRUE;
6855 case OPJ_STD_RSIZ:
6856 default:
6857 break;
6858 }
6859 if (deprecated_used) {
6860 opj_event_msg(p_manager, EVT_WARNING,
6861 "Deprecated fields cp_cinema or cp_rsiz are used\n"
6862 "Please consider using only the rsiz field\n"
6863 "See openjpeg.h documentation for more details\n");
6864 }
6865 }
6866
6867 /* If no explicit layers are provided, use lossless settings */
6868 if (parameters->tcp_numlayers == 0) {
6869 parameters->tcp_numlayers = 1;
6870 parameters->cp_disto_alloc = 1;
6871 parameters->tcp_rates[0] = 0;
6872 }
6873
6874 if (parameters->cp_disto_alloc) {
6875 /* Emit warnings if tcp_rates are not decreasing */
6876 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
6877 OPJ_FLOAT32 rate_i_corr = parameters->tcp_rates[i];
6878 OPJ_FLOAT32 rate_i_m_1_corr = parameters->tcp_rates[i - 1];
6879 if (rate_i_corr <= 1.0) {
6880 rate_i_corr = 1.0;
6881 }
6882 if (rate_i_m_1_corr <= 1.0) {
6883 rate_i_m_1_corr = 1.0;
6884 }
6885 if (rate_i_corr >= rate_i_m_1_corr) {
6886 if (rate_i_corr != parameters->tcp_rates[i] &&
6887 rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
6888 opj_event_msg(p_manager, EVT_WARNING,
6889 "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
6890 "than tcp_rates[%d]=%f (corrected as %f)\n",
6891 i, parameters->tcp_rates[i], rate_i_corr,
6892 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
6893 } else if (rate_i_corr != parameters->tcp_rates[i]) {
6894 opj_event_msg(p_manager, EVT_WARNING,
6895 "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
6896 "than tcp_rates[%d]=%f\n",
6897 i, parameters->tcp_rates[i], rate_i_corr,
6898 i - 1, parameters->tcp_rates[i - 1]);
6899 } else if (rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
6900 opj_event_msg(p_manager, EVT_WARNING,
6901 "tcp_rates[%d]=%f should be strictly lesser "
6902 "than tcp_rates[%d]=%f (corrected as %f)\n",
6903 i, parameters->tcp_rates[i],
6904 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
6905 } else {
6906 opj_event_msg(p_manager, EVT_WARNING,
6907 "tcp_rates[%d]=%f should be strictly lesser "
6908 "than tcp_rates[%d]=%f\n",
6909 i, parameters->tcp_rates[i],
6910 i - 1, parameters->tcp_rates[i - 1]);
6911 }
6912 }
6913 }
6914 } else if (parameters->cp_fixed_quality) {
6915 /* Emit warnings if tcp_distoratio are not increasing */
6916 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
6917 if (parameters->tcp_distoratio[i] < parameters->tcp_distoratio[i - 1] &&
6918 !(i == (OPJ_UINT32)parameters->tcp_numlayers - 1 &&
6919 parameters->tcp_distoratio[i] == 0)) {
6920 opj_event_msg(p_manager, EVT_WARNING,
6921 "tcp_distoratio[%d]=%f should be strictly greater "
6922 "than tcp_distoratio[%d]=%f\n",
6923 i, parameters->tcp_distoratio[i], i - 1,
6924 parameters->tcp_distoratio[i - 1]);
6925 }
6926 }
6927 }
6928
6929 /* see if max_codestream_size does limit input rate */
6930 if (parameters->max_cs_size <= 0) {
6931 if (parameters->tcp_rates[parameters->tcp_numlayers - 1] > 0) {
6932 OPJ_FLOAT32 temp_size;
6933 temp_size = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
6934 image->comps[0].h * image->comps[0].prec) /
6935 ((double)parameters->tcp_rates[parameters->tcp_numlayers - 1] * 8 *
6936 image->comps[0].dx * image->comps[0].dy));
6937 if (temp_size > INT_MAX) {
6938 parameters->max_cs_size = INT_MAX;
6939 } else {
6940 parameters->max_cs_size = (int) floor(temp_size);
6941 }
6942 } else {
6943 parameters->max_cs_size = 0;
6944 }
6945 } else {
6946 OPJ_FLOAT32 temp_rate;
6947 OPJ_BOOL cap = OPJ_FALSE;
6948 temp_rate = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
6949 image->comps[0].h * image->comps[0].prec) /
6950 (((double)parameters->max_cs_size) * 8 * image->comps[0].dx *
6951 image->comps[0].dy));
6952 for (i = 0; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
6953 if (parameters->tcp_rates[i] < temp_rate) {
6954 parameters->tcp_rates[i] = temp_rate;
6955 cap = OPJ_TRUE;
6956 }
6957 }
6958 if (cap) {
6959 opj_event_msg(p_manager, EVT_WARNING,
6960 "The desired maximum codestream size has limited\n"
6961 "at least one of the desired quality layers\n");
6962 }
6963 }
6964
6965 /* Manage profiles and applications and set RSIZ */
6966 /* set cinema parameters if required */
6967 if (OPJ_IS_CINEMA(parameters->rsiz)) {
6968 if ((parameters->rsiz == OPJ_PROFILE_CINEMA_S2K)
6969 || (parameters->rsiz == OPJ_PROFILE_CINEMA_S4K)) {
6970 opj_event_msg(p_manager, EVT_WARNING,
6971 "JPEG 2000 Scalable Digital Cinema profiles not yet supported\n");
6972 parameters->rsiz = OPJ_PROFILE_NONE;
6973 } else {
6974 opj_j2k_set_cinema_parameters(parameters, image, p_manager);
6975 if (!opj_j2k_is_cinema_compliant(image, parameters->rsiz, p_manager)) {
6976 parameters->rsiz = OPJ_PROFILE_NONE;
6977 }
6978 }
6979 } else if (OPJ_IS_STORAGE(parameters->rsiz)) {
6980 opj_event_msg(p_manager, EVT_WARNING,
6981 "JPEG 2000 Long Term Storage profile not yet supported\n");
6982 parameters->rsiz = OPJ_PROFILE_NONE;
6983 } else if (OPJ_IS_BROADCAST(parameters->rsiz)) {
6984 opj_event_msg(p_manager, EVT_WARNING,
6985 "JPEG 2000 Broadcast profiles not yet supported\n");
6986 parameters->rsiz = OPJ_PROFILE_NONE;
6987 } else if (OPJ_IS_IMF(parameters->rsiz)) {
6988 opj_event_msg(p_manager, EVT_WARNING,
6989 "JPEG 2000 IMF profiles not yet supported\n");
6990 parameters->rsiz = OPJ_PROFILE_NONE;
6991 } else if (OPJ_IS_PART2(parameters->rsiz)) {
6992 if (parameters->rsiz == ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_NONE))) {
6993 opj_event_msg(p_manager, EVT_WARNING,
6994 "JPEG 2000 Part-2 profile defined\n"
6995 "but no Part-2 extension enabled.\n"
6996 "Profile set to NONE.\n");
6997 parameters->rsiz = OPJ_PROFILE_NONE;
6998 } else if (parameters->rsiz != ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT))) {
6999 opj_event_msg(p_manager, EVT_WARNING,
7000 "Unsupported Part-2 extension enabled\n"
7001 "Profile set to NONE.\n");
7002 parameters->rsiz = OPJ_PROFILE_NONE;
7003 }
7004 }
7005
7006 /*
7007 copy user encoding parameters
7008 */
7009 cp->m_specific_param.m_enc.m_max_comp_size = (OPJ_UINT32)
7010 parameters->max_comp_size;
7011 cp->rsiz = parameters->rsiz;
7012 cp->m_specific_param.m_enc.m_disto_alloc = (OPJ_UINT32)
7013 parameters->cp_disto_alloc & 1u;
7014 cp->m_specific_param.m_enc.m_fixed_alloc = (OPJ_UINT32)
7015 parameters->cp_fixed_alloc & 1u;
7016 cp->m_specific_param.m_enc.m_fixed_quality = (OPJ_UINT32)
7017 parameters->cp_fixed_quality & 1u;
7018
7019 /* mod fixed_quality */
7020 if (parameters->cp_fixed_alloc && parameters->cp_matrice) {
7021 size_t array_size = (size_t)parameters->tcp_numlayers *
7022 (size_t)parameters->numresolution * 3 * sizeof(OPJ_INT32);
7023 cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size);
7024 if (!cp->m_specific_param.m_enc.m_matrice) {
7025 opj_event_msg(p_manager, EVT_ERROR,
7026 "Not enough memory to allocate copy of user encoding parameters matrix \n");
7027 return OPJ_FALSE;
7028 }
7029 memcpy(cp->m_specific_param.m_enc.m_matrice, parameters->cp_matrice,
7030 array_size);
7031 }
7032
7033 /* tiles */
7034 cp->tdx = (OPJ_UINT32)parameters->cp_tdx;
7035 cp->tdy = (OPJ_UINT32)parameters->cp_tdy;
7036
7037 /* tile offset */
7038 cp->tx0 = (OPJ_UINT32)parameters->cp_tx0;
7039 cp->ty0 = (OPJ_UINT32)parameters->cp_ty0;
7040
7041 /* comment string */
7042 if (parameters->cp_comment) {
7043 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1U);
7044 if (!cp->comment) {
7045 opj_event_msg(p_manager, EVT_ERROR,
7046 "Not enough memory to allocate copy of comment string\n");
7047 return OPJ_FALSE;
7048 }
7049 strcpy(cp->comment, parameters->cp_comment);
7050 } else {
7051 /* Create default comment for codestream */
7052 const char comment[] = "Created by OpenJPEG version ";
7053 const size_t clen = strlen(comment);
7054 const char *version = opj_version();
7055
7056 /* UniPG>> */
7057 #ifdef USE_JPWL
7058 cp->comment = (char*)opj_malloc(clen + strlen(version) + 11);
7059 if (!cp->comment) {
7060 opj_event_msg(p_manager, EVT_ERROR,
7061 "Not enough memory to allocate comment string\n");
7062 return OPJ_FALSE;
7063 }
7064 sprintf(cp->comment, "%s%s with JPWL", comment, version);
7065 #else
7066 cp->comment = (char*)opj_malloc(clen + strlen(version) + 1);
7067 if (!cp->comment) {
7068 opj_event_msg(p_manager, EVT_ERROR,
7069 "Not enough memory to allocate comment string\n");
7070 return OPJ_FALSE;
7071 }
7072 sprintf(cp->comment, "%s%s", comment, version);
7073 #endif
7074 /* <<UniPG */
7075 }
7076
7077 /*
7078 calculate other encoding parameters
7079 */
7080
7081 if (parameters->tile_size_on) {
7082 cp->tw = opj_uint_ceildiv(image->x1 - cp->tx0, cp->tdx);
7083 cp->th = opj_uint_ceildiv(image->y1 - cp->ty0, cp->tdy);
7084 } else {
7085 cp->tdx = image->x1 - cp->tx0;
7086 cp->tdy = image->y1 - cp->ty0;
7087 }
7088
7089 if (parameters->tp_on) {
7090 cp->m_specific_param.m_enc.m_tp_flag = (OPJ_BYTE)parameters->tp_flag;
7091 cp->m_specific_param.m_enc.m_tp_on = 1;
7092 }
7093
7094 #ifdef USE_JPWL
7095 /*
7096 calculate JPWL encoding parameters
7097 */
7098
7099 if (parameters->jpwl_epc_on) {
7100 OPJ_INT32 i;
7101
7102 /* set JPWL on */
7103 cp->epc_on = OPJ_TRUE;
7104 cp->info_on = OPJ_FALSE; /* no informative technique */
7105
7106 /* set EPB on */
7107 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
7108 cp->epb_on = OPJ_TRUE;
7109
7110 cp->hprot_MH = parameters->jpwl_hprot_MH;
7111 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
7112 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
7113 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
7114 }
7115 /* if tile specs are not specified, copy MH specs */
7116 if (cp->hprot_TPH[0] == -1) {
7117 cp->hprot_TPH_tileno[0] = 0;
7118 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
7119 }
7120 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
7121 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
7122 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
7123 cp->pprot[i] = parameters->jpwl_pprot[i];
7124 }
7125 }
7126
7127 /* set ESD writing */
7128 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
7129 cp->esd_on = OPJ_TRUE;
7130
7131 cp->sens_size = parameters->jpwl_sens_size;
7132 cp->sens_addr = parameters->jpwl_sens_addr;
7133 cp->sens_range = parameters->jpwl_sens_range;
7134
7135 cp->sens_MH = parameters->jpwl_sens_MH;
7136 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
7137 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
7138 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
7139 }
7140 }
7141
7142 /* always set RED writing to false: we are at the encoder */
7143 cp->red_on = OPJ_FALSE;
7144
7145 } else {
7146 cp->epc_on = OPJ_FALSE;
7147 }
7148 #endif /* USE_JPWL */
7149
7150 /* initialize the mutiple tiles */
7151 /* ---------------------------- */
7152 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
7153 if (!cp->tcps) {
7154 opj_event_msg(p_manager, EVT_ERROR,
7155 "Not enough memory to allocate tile coding parameters\n");
7156 return OPJ_FALSE;
7157 }
7158 if (parameters->numpocs) {
7159 /* initialisation of POC */
7160 opj_j2k_check_poc_val(parameters->POC, parameters->numpocs,
7161 (OPJ_UINT32)parameters->numresolution, image->numcomps,
7162 (OPJ_UINT32)parameters->tcp_numlayers, p_manager);
7163 /* TODO MSD use the return value*/
7164 }
7165
7166 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
7167 opj_tcp_t *tcp = &cp->tcps[tileno];
7168 tcp->numlayers = (OPJ_UINT32)parameters->tcp_numlayers;
7169
7170 for (j = 0; j < tcp->numlayers; j++) {
7171 if (OPJ_IS_CINEMA(cp->rsiz)) {
7172 if (cp->m_specific_param.m_enc.m_fixed_quality) {
7173 tcp->distoratio[j] = parameters->tcp_distoratio[j];
7174 }
7175 tcp->rates[j] = parameters->tcp_rates[j];
7176 } else {
7177 if (cp->m_specific_param.m_enc.m_fixed_quality) { /* add fixed_quality */
7178 tcp->distoratio[j] = parameters->tcp_distoratio[j];
7179 } else {
7180 tcp->rates[j] = parameters->tcp_rates[j];
7181 }
7182 }
7183 if (!cp->m_specific_param.m_enc.m_fixed_quality &&
7184 tcp->rates[j] <= 1.0) {
7185 tcp->rates[j] = 0.0; /* force lossless */
7186 }
7187 }
7188
7189 tcp->csty = (OPJ_UINT32)parameters->csty;
7190 tcp->prg = parameters->prog_order;
7191 tcp->mct = (OPJ_UINT32)parameters->tcp_mct;
7192
7193 numpocs_tile = 0;
7194 tcp->POC = 0;
7195
7196 if (parameters->numpocs) {
7197 /* initialisation of POC */
7198 tcp->POC = 1;
7199 for (i = 0; i < parameters->numpocs; i++) {
7200 if (tileno + 1 == parameters->POC[i].tile) {
7201 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
7202
7203 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
7204 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
7205 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
7206 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
7207 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
7208 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
7209 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
7210
7211 numpocs_tile++;
7212 }
7213 }
7214
7215 tcp->numpocs = numpocs_tile - 1 ;
7216 } else {
7217 tcp->numpocs = 0;
7218 }
7219
7220 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
7221 if (!tcp->tccps) {
7222 opj_event_msg(p_manager, EVT_ERROR,
7223 "Not enough memory to allocate tile component coding parameters\n");
7224 return OPJ_FALSE;
7225 }
7226 if (parameters->mct_data) {
7227
7228 OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * (OPJ_UINT32)sizeof(
7229 OPJ_FLOAT32);
7230 OPJ_FLOAT32 * lTmpBuf = (OPJ_FLOAT32*)opj_malloc(lMctSize);
7231 OPJ_INT32 * l_dc_shift = (OPJ_INT32 *)((OPJ_BYTE *) parameters->mct_data +
7232 lMctSize);
7233
7234 if (!lTmpBuf) {
7235 opj_event_msg(p_manager, EVT_ERROR,
7236 "Not enough memory to allocate temp buffer\n");
7237 return OPJ_FALSE;
7238 }
7239
7240 tcp->mct = 2;
7241 tcp->m_mct_coding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
7242 if (! tcp->m_mct_coding_matrix) {
7243 opj_free(lTmpBuf);
7244 lTmpBuf = NULL;
7245 opj_event_msg(p_manager, EVT_ERROR,
7246 "Not enough memory to allocate encoder MCT coding matrix \n");
7247 return OPJ_FALSE;
7248 }
7249 memcpy(tcp->m_mct_coding_matrix, parameters->mct_data, lMctSize);
7250 memcpy(lTmpBuf, parameters->mct_data, lMctSize);
7251
7252 tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
7253 if (! tcp->m_mct_decoding_matrix) {
7254 opj_free(lTmpBuf);
7255 lTmpBuf = NULL;
7256 opj_event_msg(p_manager, EVT_ERROR,
7257 "Not enough memory to allocate encoder MCT decoding matrix \n");
7258 return OPJ_FALSE;
7259 }
7260 if (opj_matrix_inversion_f(lTmpBuf, (tcp->m_mct_decoding_matrix),
7261 image->numcomps) == OPJ_FALSE) {
7262 opj_free(lTmpBuf);
7263 lTmpBuf = NULL;
7264 opj_event_msg(p_manager, EVT_ERROR,
7265 "Failed to inverse encoder MCT decoding matrix \n");
7266 return OPJ_FALSE;
7267 }
7268
7269 tcp->mct_norms = (OPJ_FLOAT64*)
7270 opj_malloc(image->numcomps * sizeof(OPJ_FLOAT64));
7271 if (! tcp->mct_norms) {
7272 opj_free(lTmpBuf);
7273 lTmpBuf = NULL;
7274 opj_event_msg(p_manager, EVT_ERROR,
7275 "Not enough memory to allocate encoder MCT norms \n");
7276 return OPJ_FALSE;
7277 }
7278 opj_calculate_norms(tcp->mct_norms, image->numcomps,
7279 tcp->m_mct_decoding_matrix);
7280 opj_free(lTmpBuf);
7281
7282 for (i = 0; i < image->numcomps; i++) {
7283 opj_tccp_t *tccp = &tcp->tccps[i];
7284 tccp->m_dc_level_shift = l_dc_shift[i];
7285 }
7286
7287 if (opj_j2k_setup_mct_encoding(tcp, image) == OPJ_FALSE) {
7288 /* free will be handled by opj_j2k_destroy */
7289 opj_event_msg(p_manager, EVT_ERROR, "Failed to setup j2k mct encoding\n");
7290 return OPJ_FALSE;
7291 }
7292 } else {
7293 if (tcp->mct == 1 && image->numcomps >= 3) { /* RGB->YCC MCT is enabled */
7294 if ((image->comps[0].dx != image->comps[1].dx) ||
7295 (image->comps[0].dx != image->comps[2].dx) ||
7296 (image->comps[0].dy != image->comps[1].dy) ||
7297 (image->comps[0].dy != image->comps[2].dy)) {
7298 opj_event_msg(p_manager, EVT_WARNING,
7299 "Cannot perform MCT on components with different sizes. Disabling MCT.\n");
7300 tcp->mct = 0;
7301 }
7302 }
7303 for (i = 0; i < image->numcomps; i++) {
7304 opj_tccp_t *tccp = &tcp->tccps[i];
7305 opj_image_comp_t * l_comp = &(image->comps[i]);
7306
7307 if (! l_comp->sgnd) {
7308 tccp->m_dc_level_shift = 1 << (l_comp->prec - 1);
7309 }
7310 }
7311 }
7312
7313 for (i = 0; i < image->numcomps; i++) {
7314 opj_tccp_t *tccp = &tcp->tccps[i];
7315
7316 tccp->csty = parameters->csty &
7317 0x01; /* 0 => one precinct || 1 => custom precinct */
7318 tccp->numresolutions = (OPJ_UINT32)parameters->numresolution;
7319 tccp->cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
7320 tccp->cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
7321 tccp->cblksty = (OPJ_UINT32)parameters->mode;
7322 tccp->qmfbid = parameters->irreversible ? 0 : 1;
7323 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT :
7324 J2K_CCP_QNTSTY_NOQNT;
7325 tccp->numgbits = 2;
7326
7327 if ((OPJ_INT32)i == parameters->roi_compno) {
7328 tccp->roishift = parameters->roi_shift;
7329 } else {
7330 tccp->roishift = 0;
7331 }
7332
7333 if (parameters->csty & J2K_CCP_CSTY_PRT) {
7334 OPJ_INT32 p = 0, it_res;
7335 assert(tccp->numresolutions > 0);
7336 for (it_res = (OPJ_INT32)tccp->numresolutions - 1; it_res >= 0; it_res--) {
7337 if (p < parameters->res_spec) {
7338
7339 if (parameters->prcw_init[p] < 1) {
7340 tccp->prcw[it_res] = 1;
7341 } else {
7342 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prcw_init[p]);
7343 }
7344
7345 if (parameters->prch_init[p] < 1) {
7346 tccp->prch[it_res] = 1;
7347 } else {
7348 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prch_init[p]);
7349 }
7350
7351 } else {
7352 OPJ_INT32 res_spec = parameters->res_spec;
7353 OPJ_INT32 size_prcw = 0;
7354 OPJ_INT32 size_prch = 0;
7355
7356 assert(res_spec > 0); /* issue 189 */
7357 size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
7358 size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
7359
7360
7361 if (size_prcw < 1) {
7362 tccp->prcw[it_res] = 1;
7363 } else {
7364 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prcw);
7365 }
7366
7367 if (size_prch < 1) {
7368 tccp->prch[it_res] = 1;
7369 } else {
7370 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prch);
7371 }
7372 }
7373 p++;
7374 /*printf("\nsize precinct for level %d : %d,%d\n", it_res,tccp->prcw[it_res], tccp->prch[it_res]); */
7375 } /*end for*/
7376 } else {
7377 for (j = 0; j < tccp->numresolutions; j++) {
7378 tccp->prcw[j] = 15;
7379 tccp->prch[j] = 15;
7380 }
7381 }
7382
7383 opj_dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
7384 }
7385 }
7386
7387 if (parameters->mct_data) {
7388 opj_free(parameters->mct_data);
7389 parameters->mct_data = 00;
7390 }
7391 return OPJ_TRUE;
7392 }
7393
opj_j2k_add_mhmarker(opj_codestream_index_t * cstr_index,OPJ_UINT32 type,OPJ_OFF_T pos,OPJ_UINT32 len)7394 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
7395 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
7396 {
7397 assert(cstr_index != 00);
7398
7399 /* expand the list? */
7400 if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) {
7401 opj_marker_info_t *new_marker;
7402 cstr_index->maxmarknum = (OPJ_UINT32)(100 + (OPJ_FLOAT32)
7403 cstr_index->maxmarknum);
7404 new_marker = (opj_marker_info_t *) opj_realloc(cstr_index->marker,
7405 cstr_index->maxmarknum * sizeof(opj_marker_info_t));
7406 if (! new_marker) {
7407 opj_free(cstr_index->marker);
7408 cstr_index->marker = NULL;
7409 cstr_index->maxmarknum = 0;
7410 cstr_index->marknum = 0;
7411 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); */
7412 return OPJ_FALSE;
7413 }
7414 cstr_index->marker = new_marker;
7415 }
7416
7417 /* add the marker */
7418 cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type;
7419 cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos;
7420 cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len;
7421 cstr_index->marknum++;
7422 return OPJ_TRUE;
7423 }
7424
opj_j2k_add_tlmarker(OPJ_UINT32 tileno,opj_codestream_index_t * cstr_index,OPJ_UINT32 type,OPJ_OFF_T pos,OPJ_UINT32 len)7425 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
7426 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
7427 OPJ_UINT32 len)
7428 {
7429 assert(cstr_index != 00);
7430 assert(cstr_index->tile_index != 00);
7431
7432 /* expand the list? */
7433 if ((cstr_index->tile_index[tileno].marknum + 1) >
7434 cstr_index->tile_index[tileno].maxmarknum) {
7435 opj_marker_info_t *new_marker;
7436 cstr_index->tile_index[tileno].maxmarknum = (OPJ_UINT32)(100 +
7437 (OPJ_FLOAT32) cstr_index->tile_index[tileno].maxmarknum);
7438 new_marker = (opj_marker_info_t *) opj_realloc(
7439 cstr_index->tile_index[tileno].marker,
7440 cstr_index->tile_index[tileno].maxmarknum * sizeof(opj_marker_info_t));
7441 if (! new_marker) {
7442 opj_free(cstr_index->tile_index[tileno].marker);
7443 cstr_index->tile_index[tileno].marker = NULL;
7444 cstr_index->tile_index[tileno].maxmarknum = 0;
7445 cstr_index->tile_index[tileno].marknum = 0;
7446 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n"); */
7447 return OPJ_FALSE;
7448 }
7449 cstr_index->tile_index[tileno].marker = new_marker;
7450 }
7451
7452 /* add the marker */
7453 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type
7454 = (OPJ_UINT16)type;
7455 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos
7456 = (OPJ_INT32)pos;
7457 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len
7458 = (OPJ_INT32)len;
7459 cstr_index->tile_index[tileno].marknum++;
7460
7461 if (type == J2K_MS_SOT) {
7462 OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
7463
7464 if (cstr_index->tile_index[tileno].tp_index) {
7465 cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
7466 }
7467
7468 }
7469 return OPJ_TRUE;
7470 }
7471
7472 /*
7473 * -----------------------------------------------------------------------
7474 * -----------------------------------------------------------------------
7475 * -----------------------------------------------------------------------
7476 */
7477
opj_j2k_end_decompress(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7478 OPJ_BOOL opj_j2k_end_decompress(opj_j2k_t *p_j2k,
7479 opj_stream_private_t *p_stream,
7480 opj_event_mgr_t * p_manager
7481 )
7482 {
7483 (void)p_j2k;
7484 (void)p_stream;
7485 (void)p_manager;
7486 return OPJ_TRUE;
7487 }
7488
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)7489 OPJ_BOOL opj_j2k_read_header(opj_stream_private_t *p_stream,
7490 opj_j2k_t* p_j2k,
7491 opj_image_t** p_image,
7492 opj_event_mgr_t* p_manager)
7493 {
7494 /* preconditions */
7495 assert(p_j2k != 00);
7496 assert(p_stream != 00);
7497 assert(p_manager != 00);
7498
7499 /* create an empty image header */
7500 p_j2k->m_private_image = opj_image_create0();
7501 if (! p_j2k->m_private_image) {
7502 return OPJ_FALSE;
7503 }
7504
7505 /* customization of the validation */
7506 if (! opj_j2k_setup_decoding_validation(p_j2k, p_manager)) {
7507 opj_image_destroy(p_j2k->m_private_image);
7508 p_j2k->m_private_image = NULL;
7509 return OPJ_FALSE;
7510 }
7511
7512 /* validation of the parameters codec */
7513 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
7514 opj_image_destroy(p_j2k->m_private_image);
7515 p_j2k->m_private_image = NULL;
7516 return OPJ_FALSE;
7517 }
7518
7519 /* customization of the encoding */
7520 if (! opj_j2k_setup_header_reading(p_j2k, p_manager)) {
7521 opj_image_destroy(p_j2k->m_private_image);
7522 p_j2k->m_private_image = NULL;
7523 return OPJ_FALSE;
7524 }
7525
7526 /* read header */
7527 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
7528 opj_image_destroy(p_j2k->m_private_image);
7529 p_j2k->m_private_image = NULL;
7530 return OPJ_FALSE;
7531 }
7532
7533 *p_image = opj_image_create0();
7534 if (!(*p_image)) {
7535 return OPJ_FALSE;
7536 }
7537
7538 /* Copy codestream image information to the output image */
7539 opj_copy_image_header(p_j2k->m_private_image, *p_image);
7540
7541 /*Allocate and initialize some elements of codestrem index*/
7542 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
7543 return OPJ_FALSE;
7544 }
7545
7546 return OPJ_TRUE;
7547 }
7548
opj_j2k_setup_header_reading(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)7549 static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
7550 opj_event_mgr_t * p_manager)
7551 {
7552 /* preconditions*/
7553 assert(p_j2k != 00);
7554 assert(p_manager != 00);
7555
7556 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
7557 (opj_procedure)opj_j2k_read_header_procedure, p_manager)) {
7558 return OPJ_FALSE;
7559 }
7560
7561 /* DEVELOPER CORNER, add your custom procedures */
7562 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
7563 (opj_procedure)opj_j2k_copy_default_tcp_and_create_tcd, p_manager)) {
7564 return OPJ_FALSE;
7565 }
7566
7567 return OPJ_TRUE;
7568 }
7569
opj_j2k_setup_decoding_validation(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)7570 static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
7571 opj_event_mgr_t * p_manager)
7572 {
7573 /* preconditions*/
7574 assert(p_j2k != 00);
7575 assert(p_manager != 00);
7576
7577 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
7578 (opj_procedure)opj_j2k_build_decoder, p_manager)) {
7579 return OPJ_FALSE;
7580 }
7581 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
7582 (opj_procedure)opj_j2k_decoding_validation, p_manager)) {
7583 return OPJ_FALSE;
7584 }
7585
7586 /* DEVELOPER CORNER, add your custom validation procedure */
7587 return OPJ_TRUE;
7588 }
7589
opj_j2k_mct_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7590 static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
7591 opj_stream_private_t *p_stream,
7592 opj_event_mgr_t * p_manager)
7593 {
7594 OPJ_BOOL l_is_valid = OPJ_TRUE;
7595 OPJ_UINT32 i, j;
7596
7597 /* preconditions */
7598 assert(p_j2k != 00);
7599 assert(p_stream != 00);
7600 assert(p_manager != 00);
7601
7602 OPJ_UNUSED(p_stream);
7603 OPJ_UNUSED(p_manager);
7604
7605 if ((p_j2k->m_cp.rsiz & 0x8200) == 0x8200) {
7606 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
7607 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
7608
7609 for (i = 0; i < l_nb_tiles; ++i) {
7610 if (l_tcp->mct == 2) {
7611 opj_tccp_t * l_tccp = l_tcp->tccps;
7612 l_is_valid &= (l_tcp->m_mct_coding_matrix != 00);
7613
7614 for (j = 0; j < p_j2k->m_private_image->numcomps; ++j) {
7615 l_is_valid &= !(l_tccp->qmfbid & 1);
7616 ++l_tccp;
7617 }
7618 }
7619 ++l_tcp;
7620 }
7621 }
7622
7623 return l_is_valid;
7624 }
7625
opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp,opj_image_t * p_image)7626 OPJ_BOOL opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp, opj_image_t * p_image)
7627 {
7628 OPJ_UINT32 i;
7629 OPJ_UINT32 l_indix = 1;
7630 opj_mct_data_t * l_mct_deco_data = 00, * l_mct_offset_data = 00;
7631 opj_simple_mcc_decorrelation_data_t * l_mcc_data;
7632 OPJ_UINT32 l_mct_size, l_nb_elem;
7633 OPJ_FLOAT32 * l_data, * l_current_data;
7634 opj_tccp_t * l_tccp;
7635
7636 /* preconditions */
7637 assert(p_tcp != 00);
7638
7639 if (p_tcp->mct != 2) {
7640 return OPJ_TRUE;
7641 }
7642
7643 if (p_tcp->m_mct_decoding_matrix) {
7644 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
7645 opj_mct_data_t *new_mct_records;
7646 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
7647
7648 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
7649 p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
7650 if (! new_mct_records) {
7651 opj_free(p_tcp->m_mct_records);
7652 p_tcp->m_mct_records = NULL;
7653 p_tcp->m_nb_max_mct_records = 0;
7654 p_tcp->m_nb_mct_records = 0;
7655 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
7656 return OPJ_FALSE;
7657 }
7658 p_tcp->m_mct_records = new_mct_records;
7659 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
7660
7661 memset(l_mct_deco_data, 0,
7662 (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
7663 opj_mct_data_t));
7664 }
7665 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
7666
7667 if (l_mct_deco_data->m_data) {
7668 opj_free(l_mct_deco_data->m_data);
7669 l_mct_deco_data->m_data = 00;
7670 }
7671
7672 l_mct_deco_data->m_index = l_indix++;
7673 l_mct_deco_data->m_array_type = MCT_TYPE_DECORRELATION;
7674 l_mct_deco_data->m_element_type = MCT_TYPE_FLOAT;
7675 l_nb_elem = p_image->numcomps * p_image->numcomps;
7676 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_deco_data->m_element_type];
7677 l_mct_deco_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
7678
7679 if (! l_mct_deco_data->m_data) {
7680 return OPJ_FALSE;
7681 }
7682
7683 j2k_mct_write_functions_from_float[l_mct_deco_data->m_element_type](
7684 p_tcp->m_mct_decoding_matrix, l_mct_deco_data->m_data, l_nb_elem);
7685
7686 l_mct_deco_data->m_data_size = l_mct_size;
7687 ++p_tcp->m_nb_mct_records;
7688 }
7689
7690 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
7691 opj_mct_data_t *new_mct_records;
7692 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
7693 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
7694 p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
7695 if (! new_mct_records) {
7696 opj_free(p_tcp->m_mct_records);
7697 p_tcp->m_mct_records = NULL;
7698 p_tcp->m_nb_max_mct_records = 0;
7699 p_tcp->m_nb_mct_records = 0;
7700 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
7701 return OPJ_FALSE;
7702 }
7703 p_tcp->m_mct_records = new_mct_records;
7704 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
7705
7706 memset(l_mct_offset_data, 0,
7707 (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
7708 opj_mct_data_t));
7709
7710 if (l_mct_deco_data) {
7711 l_mct_deco_data = l_mct_offset_data - 1;
7712 }
7713 }
7714
7715 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
7716
7717 if (l_mct_offset_data->m_data) {
7718 opj_free(l_mct_offset_data->m_data);
7719 l_mct_offset_data->m_data = 00;
7720 }
7721
7722 l_mct_offset_data->m_index = l_indix++;
7723 l_mct_offset_data->m_array_type = MCT_TYPE_OFFSET;
7724 l_mct_offset_data->m_element_type = MCT_TYPE_FLOAT;
7725 l_nb_elem = p_image->numcomps;
7726 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_offset_data->m_element_type];
7727 l_mct_offset_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
7728
7729 if (! l_mct_offset_data->m_data) {
7730 return OPJ_FALSE;
7731 }
7732
7733 l_data = (OPJ_FLOAT32*)opj_malloc(l_nb_elem * sizeof(OPJ_FLOAT32));
7734 if (! l_data) {
7735 opj_free(l_mct_offset_data->m_data);
7736 l_mct_offset_data->m_data = 00;
7737 return OPJ_FALSE;
7738 }
7739
7740 l_tccp = p_tcp->tccps;
7741 l_current_data = l_data;
7742
7743 for (i = 0; i < l_nb_elem; ++i) {
7744 *(l_current_data++) = (OPJ_FLOAT32)(l_tccp->m_dc_level_shift);
7745 ++l_tccp;
7746 }
7747
7748 j2k_mct_write_functions_from_float[l_mct_offset_data->m_element_type](l_data,
7749 l_mct_offset_data->m_data, l_nb_elem);
7750
7751 opj_free(l_data);
7752
7753 l_mct_offset_data->m_data_size = l_mct_size;
7754
7755 ++p_tcp->m_nb_mct_records;
7756
7757 if (p_tcp->m_nb_mcc_records == p_tcp->m_nb_max_mcc_records) {
7758 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
7759 p_tcp->m_nb_max_mcc_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
7760 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
7761 p_tcp->m_mcc_records, p_tcp->m_nb_max_mcc_records * sizeof(
7762 opj_simple_mcc_decorrelation_data_t));
7763 if (! new_mcc_records) {
7764 opj_free(p_tcp->m_mcc_records);
7765 p_tcp->m_mcc_records = NULL;
7766 p_tcp->m_nb_max_mcc_records = 0;
7767 p_tcp->m_nb_mcc_records = 0;
7768 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
7769 return OPJ_FALSE;
7770 }
7771 p_tcp->m_mcc_records = new_mcc_records;
7772 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
7773 memset(l_mcc_data, 0, (p_tcp->m_nb_max_mcc_records - p_tcp->m_nb_mcc_records) *
7774 sizeof(opj_simple_mcc_decorrelation_data_t));
7775
7776 }
7777
7778 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
7779 l_mcc_data->m_decorrelation_array = l_mct_deco_data;
7780 l_mcc_data->m_is_irreversible = 1;
7781 l_mcc_data->m_nb_comps = p_image->numcomps;
7782 l_mcc_data->m_index = l_indix++;
7783 l_mcc_data->m_offset_array = l_mct_offset_data;
7784 ++p_tcp->m_nb_mcc_records;
7785
7786 return OPJ_TRUE;
7787 }
7788
opj_j2k_build_decoder(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7789 static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
7790 opj_stream_private_t *p_stream,
7791 opj_event_mgr_t * p_manager)
7792 {
7793 /* add here initialization of cp
7794 copy paste of setup_decoder */
7795 (void)p_j2k;
7796 (void)p_stream;
7797 (void)p_manager;
7798 return OPJ_TRUE;
7799 }
7800
opj_j2k_build_encoder(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7801 static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
7802 opj_stream_private_t *p_stream,
7803 opj_event_mgr_t * p_manager)
7804 {
7805 /* add here initialization of cp
7806 copy paste of setup_encoder */
7807 (void)p_j2k;
7808 (void)p_stream;
7809 (void)p_manager;
7810 return OPJ_TRUE;
7811 }
7812
opj_j2k_encoding_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7813 static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
7814 opj_stream_private_t *p_stream,
7815 opj_event_mgr_t * p_manager)
7816 {
7817 OPJ_BOOL l_is_valid = OPJ_TRUE;
7818
7819 /* preconditions */
7820 assert(p_j2k != 00);
7821 assert(p_stream != 00);
7822 assert(p_manager != 00);
7823
7824 OPJ_UNUSED(p_stream);
7825
7826 /* STATE checking */
7827 /* make sure the state is at 0 */
7828 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NONE);
7829
7830 /* POINTER validation */
7831 /* make sure a p_j2k codec is present */
7832 l_is_valid &= (p_j2k->m_procedure_list != 00);
7833 /* make sure a validation list is present */
7834 l_is_valid &= (p_j2k->m_validation_list != 00);
7835
7836 /* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */
7837 /* 33 (32) would always fail the check below (if a cast to 64bits was done) */
7838 /* FIXME Shall we change OPJ_J2K_MAXRLVLS to 32 ? */
7839 if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) ||
7840 (p_j2k->m_cp.tcps->tccps->numresolutions > 32)) {
7841 opj_event_msg(p_manager, EVT_ERROR,
7842 "Number of resolutions is too high in comparison to the size of tiles\n");
7843 return OPJ_FALSE;
7844 }
7845
7846 if ((p_j2k->m_cp.tdx) < (OPJ_UINT32)(1 <<
7847 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
7848 opj_event_msg(p_manager, EVT_ERROR,
7849 "Number of resolutions is too high in comparison to the size of tiles\n");
7850 return OPJ_FALSE;
7851 }
7852
7853 if ((p_j2k->m_cp.tdy) < (OPJ_UINT32)(1 <<
7854 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
7855 opj_event_msg(p_manager, EVT_ERROR,
7856 "Number of resolutions is too high in comparison to the size of tiles\n");
7857 return OPJ_FALSE;
7858 }
7859
7860 /* PARAMETER VALIDATION */
7861 return l_is_valid;
7862 }
7863
opj_j2k_decoding_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7864 static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t *p_j2k,
7865 opj_stream_private_t *p_stream,
7866 opj_event_mgr_t * p_manager
7867 )
7868 {
7869 OPJ_BOOL l_is_valid = OPJ_TRUE;
7870
7871 /* preconditions*/
7872 assert(p_j2k != 00);
7873 assert(p_stream != 00);
7874 assert(p_manager != 00);
7875
7876 OPJ_UNUSED(p_stream);
7877 OPJ_UNUSED(p_manager);
7878
7879 /* STATE checking */
7880 /* make sure the state is at 0 */
7881 #ifdef TODO_MSD
7882 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
7883 #endif
7884 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000);
7885
7886 /* POINTER validation */
7887 /* make sure a p_j2k codec is present */
7888 /* make sure a procedure list is present */
7889 l_is_valid &= (p_j2k->m_procedure_list != 00);
7890 /* make sure a validation list is present */
7891 l_is_valid &= (p_j2k->m_validation_list != 00);
7892
7893 /* PARAMETER VALIDATION */
7894 return l_is_valid;
7895 }
7896
opj_j2k_read_header_procedure(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7897 static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
7898 opj_stream_private_t *p_stream,
7899 opj_event_mgr_t * p_manager)
7900 {
7901 OPJ_UINT32 l_current_marker;
7902 OPJ_UINT32 l_marker_size;
7903 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
7904 OPJ_BOOL l_has_siz = 0;
7905 OPJ_BOOL l_has_cod = 0;
7906 OPJ_BOOL l_has_qcd = 0;
7907
7908 /* preconditions */
7909 assert(p_stream != 00);
7910 assert(p_j2k != 00);
7911 assert(p_manager != 00);
7912
7913 /* We enter in the main header */
7914 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
7915
7916 /* Try to read the SOC marker, the codestream must begin with SOC marker */
7917 if (! opj_j2k_read_soc(p_j2k, p_stream, p_manager)) {
7918 opj_event_msg(p_manager, EVT_ERROR, "Expected a SOC marker \n");
7919 return OPJ_FALSE;
7920 }
7921
7922 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
7923 if (opj_stream_read_data(p_stream,
7924 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
7925 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7926 return OPJ_FALSE;
7927 }
7928
7929 /* Read 2 bytes as the new marker ID */
7930 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
7931 &l_current_marker, 2);
7932
7933 /* Try to read until the SOT is detected */
7934 while (l_current_marker != J2K_MS_SOT) {
7935
7936 /* Check if the current marker ID is valid */
7937 if (l_current_marker < 0xff00) {
7938 opj_event_msg(p_manager, EVT_ERROR,
7939 "A marker ID was expected (0xff--) instead of %.8x\n", l_current_marker);
7940 return OPJ_FALSE;
7941 }
7942
7943 /* Get the marker handler from the marker ID */
7944 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
7945
7946 /* Manage case where marker is unknown */
7947 if (l_marker_handler->id == J2K_MS_UNK) {
7948 if (! opj_j2k_read_unk(p_j2k, p_stream, &l_current_marker, p_manager)) {
7949 opj_event_msg(p_manager, EVT_ERROR,
7950 "Unknow marker have been detected and generated error.\n");
7951 return OPJ_FALSE;
7952 }
7953
7954 if (l_current_marker == J2K_MS_SOT) {
7955 break; /* SOT marker is detected main header is completely read */
7956 } else { /* Get the marker handler from the marker ID */
7957 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
7958 }
7959 }
7960
7961 if (l_marker_handler->id == J2K_MS_SIZ) {
7962 /* Mark required SIZ marker as found */
7963 l_has_siz = 1;
7964 }
7965 if (l_marker_handler->id == J2K_MS_COD) {
7966 /* Mark required COD marker as found */
7967 l_has_cod = 1;
7968 }
7969 if (l_marker_handler->id == J2K_MS_QCD) {
7970 /* Mark required QCD marker as found */
7971 l_has_qcd = 1;
7972 }
7973
7974 /* Check if the marker is known and if it is the right place to find it */
7975 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
7976 opj_event_msg(p_manager, EVT_ERROR,
7977 "Marker is not compliant with its position\n");
7978 return OPJ_FALSE;
7979 }
7980
7981 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
7982 if (opj_stream_read_data(p_stream,
7983 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
7984 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7985 return OPJ_FALSE;
7986 }
7987
7988 /* read 2 bytes as the marker size */
7989 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
7990 2);
7991 if (l_marker_size < 2) {
7992 opj_event_msg(p_manager, EVT_ERROR, "Invalid marker size\n");
7993 return OPJ_FALSE;
7994 }
7995 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
7996
7997 /* Check if the marker size is compatible with the header data size */
7998 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
7999 OPJ_BYTE *new_header_data = (OPJ_BYTE *) opj_realloc(
8000 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
8001 if (! new_header_data) {
8002 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
8003 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
8004 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
8005 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
8006 return OPJ_FALSE;
8007 }
8008 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
8009 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
8010 }
8011
8012 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
8013 if (opj_stream_read_data(p_stream,
8014 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
8015 p_manager) != l_marker_size) {
8016 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8017 return OPJ_FALSE;
8018 }
8019
8020 /* Read the marker segment with the correct marker handler */
8021 if (!(*(l_marker_handler->handler))(p_j2k,
8022 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
8023 opj_event_msg(p_manager, EVT_ERROR,
8024 "Marker handler function failed to read the marker segment\n");
8025 return OPJ_FALSE;
8026 }
8027
8028 /* Add the marker to the codestream index*/
8029 if (OPJ_FALSE == opj_j2k_add_mhmarker(
8030 p_j2k->cstr_index,
8031 l_marker_handler->id,
8032 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
8033 l_marker_size + 4)) {
8034 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
8035 return OPJ_FALSE;
8036 }
8037
8038 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8039 if (opj_stream_read_data(p_stream,
8040 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8041 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8042 return OPJ_FALSE;
8043 }
8044
8045 /* read 2 bytes as the new marker ID */
8046 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8047 &l_current_marker, 2);
8048 }
8049
8050 if (l_has_siz == 0) {
8051 opj_event_msg(p_manager, EVT_ERROR,
8052 "required SIZ marker not found in main header\n");
8053 return OPJ_FALSE;
8054 }
8055 if (l_has_cod == 0) {
8056 opj_event_msg(p_manager, EVT_ERROR,
8057 "required COD marker not found in main header\n");
8058 return OPJ_FALSE;
8059 }
8060 if (l_has_qcd == 0) {
8061 opj_event_msg(p_manager, EVT_ERROR,
8062 "required QCD marker not found in main header\n");
8063 return OPJ_FALSE;
8064 }
8065
8066 if (! opj_j2k_merge_ppm(&(p_j2k->m_cp), p_manager)) {
8067 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPM data\n");
8068 return OPJ_FALSE;
8069 }
8070
8071 opj_event_msg(p_manager, EVT_INFO, "Main header has been correctly decoded.\n");
8072
8073 /* Position of the last element if the main header */
8074 p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2;
8075
8076 /* Next step: read a tile-part header */
8077 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
8078
8079 return OPJ_TRUE;
8080 }
8081
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)8082 static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
8083 opj_procedure_list_t * p_procedure_list,
8084 opj_stream_private_t *p_stream,
8085 opj_event_mgr_t * p_manager)
8086 {
8087 OPJ_BOOL(** l_procedure)(opj_j2k_t *, opj_stream_private_t *,
8088 opj_event_mgr_t *) = 00;
8089 OPJ_BOOL l_result = OPJ_TRUE;
8090 OPJ_UINT32 l_nb_proc, i;
8091
8092 /* preconditions*/
8093 assert(p_procedure_list != 00);
8094 assert(p_j2k != 00);
8095 assert(p_stream != 00);
8096 assert(p_manager != 00);
8097
8098 l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
8099 l_procedure = (OPJ_BOOL(**)(opj_j2k_t *, opj_stream_private_t *,
8100 opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
8101
8102 for (i = 0; i < l_nb_proc; ++i) {
8103 l_result = l_result && ((*l_procedure)(p_j2k, p_stream, p_manager));
8104 ++l_procedure;
8105 }
8106
8107 /* and clear the procedure list at the end.*/
8108 opj_procedure_list_clear(p_procedure_list);
8109 return l_result;
8110 }
8111
8112 /* 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)8113 static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
8114 opj_stream_private_t *p_stream,
8115 opj_event_mgr_t * p_manager
8116 )
8117 {
8118 opj_tcp_t * l_tcp = 00;
8119 opj_tcp_t * l_default_tcp = 00;
8120 OPJ_UINT32 l_nb_tiles;
8121 OPJ_UINT32 i, j;
8122 opj_tccp_t *l_current_tccp = 00;
8123 OPJ_UINT32 l_tccp_size;
8124 OPJ_UINT32 l_mct_size;
8125 opj_image_t * l_image;
8126 OPJ_UINT32 l_mcc_records_size, l_mct_records_size;
8127 opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
8128 opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
8129 OPJ_UINT32 l_offset;
8130
8131 /* preconditions */
8132 assert(p_j2k != 00);
8133 assert(p_stream != 00);
8134 assert(p_manager != 00);
8135
8136 OPJ_UNUSED(p_stream);
8137
8138 l_image = p_j2k->m_private_image;
8139 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
8140 l_tcp = p_j2k->m_cp.tcps;
8141 l_tccp_size = l_image->numcomps * (OPJ_UINT32)sizeof(opj_tccp_t);
8142 l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
8143 l_mct_size = l_image->numcomps * l_image->numcomps * (OPJ_UINT32)sizeof(
8144 OPJ_FLOAT32);
8145
8146 /* For each tile */
8147 for (i = 0; i < l_nb_tiles; ++i) {
8148 /* keep the tile-compo coding parameters pointer of the current tile coding parameters*/
8149 l_current_tccp = l_tcp->tccps;
8150 /*Copy default coding parameters into the current tile coding parameters*/
8151 memcpy(l_tcp, l_default_tcp, sizeof(opj_tcp_t));
8152 /* Initialize some values of the current tile coding parameters*/
8153 l_tcp->cod = 0;
8154 l_tcp->ppt = 0;
8155 l_tcp->ppt_data = 00;
8156 l_tcp->m_current_tile_part_number = -1;
8157 /* Remove memory not owned by this tile in case of early error return. */
8158 l_tcp->m_mct_decoding_matrix = 00;
8159 l_tcp->m_nb_max_mct_records = 0;
8160 l_tcp->m_mct_records = 00;
8161 l_tcp->m_nb_max_mcc_records = 0;
8162 l_tcp->m_mcc_records = 00;
8163 /* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
8164 l_tcp->tccps = l_current_tccp;
8165
8166 /* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/
8167 if (l_default_tcp->m_mct_decoding_matrix) {
8168 l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
8169 if (! l_tcp->m_mct_decoding_matrix) {
8170 return OPJ_FALSE;
8171 }
8172 memcpy(l_tcp->m_mct_decoding_matrix, l_default_tcp->m_mct_decoding_matrix,
8173 l_mct_size);
8174 }
8175
8176 /* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/
8177 l_mct_records_size = l_default_tcp->m_nb_max_mct_records * (OPJ_UINT32)sizeof(
8178 opj_mct_data_t);
8179 l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(l_mct_records_size);
8180 if (! l_tcp->m_mct_records) {
8181 return OPJ_FALSE;
8182 }
8183 memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records, l_mct_records_size);
8184
8185 /* Copy the mct record data from dflt_tile_cp to the current tile*/
8186 l_src_mct_rec = l_default_tcp->m_mct_records;
8187 l_dest_mct_rec = l_tcp->m_mct_records;
8188
8189 for (j = 0; j < l_default_tcp->m_nb_mct_records; ++j) {
8190
8191 if (l_src_mct_rec->m_data) {
8192
8193 l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(l_src_mct_rec->m_data_size);
8194 if (! l_dest_mct_rec->m_data) {
8195 return OPJ_FALSE;
8196 }
8197 memcpy(l_dest_mct_rec->m_data, l_src_mct_rec->m_data,
8198 l_src_mct_rec->m_data_size);
8199 }
8200
8201 ++l_src_mct_rec;
8202 ++l_dest_mct_rec;
8203 /* Update with each pass to free exactly what has been allocated on early return. */
8204 l_tcp->m_nb_max_mct_records += 1;
8205 }
8206
8207 /* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
8208 l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * (OPJ_UINT32)sizeof(
8209 opj_simple_mcc_decorrelation_data_t);
8210 l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(
8211 l_mcc_records_size);
8212 if (! l_tcp->m_mcc_records) {
8213 return OPJ_FALSE;
8214 }
8215 memcpy(l_tcp->m_mcc_records, l_default_tcp->m_mcc_records, l_mcc_records_size);
8216 l_tcp->m_nb_max_mcc_records = l_default_tcp->m_nb_max_mcc_records;
8217
8218 /* Copy the mcc record data from dflt_tile_cp to the current tile*/
8219 l_src_mcc_rec = l_default_tcp->m_mcc_records;
8220 l_dest_mcc_rec = l_tcp->m_mcc_records;
8221
8222 for (j = 0; j < l_default_tcp->m_nb_max_mcc_records; ++j) {
8223
8224 if (l_src_mcc_rec->m_decorrelation_array) {
8225 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_decorrelation_array -
8226 l_default_tcp->m_mct_records);
8227 l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
8228 }
8229
8230 if (l_src_mcc_rec->m_offset_array) {
8231 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_offset_array -
8232 l_default_tcp->m_mct_records);
8233 l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
8234 }
8235
8236 ++l_src_mcc_rec;
8237 ++l_dest_mcc_rec;
8238 }
8239
8240 /* Copy all the dflt_tile_compo_cp to the current tile cp */
8241 memcpy(l_current_tccp, l_default_tcp->tccps, l_tccp_size);
8242
8243 /* Move to next tile cp*/
8244 ++l_tcp;
8245 }
8246
8247 /* Create the current tile decoder*/
8248 p_j2k->m_tcd = opj_tcd_create(OPJ_TRUE);
8249 if (! p_j2k->m_tcd) {
8250 return OPJ_FALSE;
8251 }
8252
8253 if (!opj_tcd_init(p_j2k->m_tcd, l_image, &(p_j2k->m_cp), p_j2k->m_tp)) {
8254 opj_tcd_destroy(p_j2k->m_tcd);
8255 p_j2k->m_tcd = 00;
8256 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
8257 return OPJ_FALSE;
8258 }
8259
8260 return OPJ_TRUE;
8261 }
8262
opj_j2k_get_marker_handler(OPJ_UINT32 p_id)8263 static const opj_dec_memory_marker_handler_t * opj_j2k_get_marker_handler(
8264 OPJ_UINT32 p_id)
8265 {
8266 const opj_dec_memory_marker_handler_t *e;
8267 for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) {
8268 if (e->id == p_id) {
8269 break; /* we find a handler corresponding to the marker ID*/
8270 }
8271 }
8272 return e;
8273 }
8274
opj_j2k_destroy(opj_j2k_t * p_j2k)8275 void opj_j2k_destroy(opj_j2k_t *p_j2k)
8276 {
8277 if (p_j2k == 00) {
8278 return;
8279 }
8280
8281 if (p_j2k->m_is_decoder) {
8282
8283 if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) {
8284 opj_j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp);
8285 opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp);
8286 p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
8287 }
8288
8289 if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) {
8290 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
8291 p_j2k->m_specific_param.m_decoder.m_header_data = 00;
8292 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
8293 }
8294
8295 opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
8296 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = 00;
8297 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
8298
8299 } else {
8300
8301 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
8302 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
8303 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
8304 }
8305
8306 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
8307 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
8308 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
8309 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
8310 }
8311
8312 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
8313 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
8314 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
8315 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
8316 }
8317 }
8318
8319 opj_tcd_destroy(p_j2k->m_tcd);
8320
8321 opj_j2k_cp_destroy(&(p_j2k->m_cp));
8322 memset(&(p_j2k->m_cp), 0, sizeof(opj_cp_t));
8323
8324 opj_procedure_list_destroy(p_j2k->m_procedure_list);
8325 p_j2k->m_procedure_list = 00;
8326
8327 opj_procedure_list_destroy(p_j2k->m_validation_list);
8328 p_j2k->m_procedure_list = 00;
8329
8330 j2k_destroy_cstr_index(p_j2k->cstr_index);
8331 p_j2k->cstr_index = NULL;
8332
8333 opj_image_destroy(p_j2k->m_private_image);
8334 p_j2k->m_private_image = NULL;
8335
8336 opj_image_destroy(p_j2k->m_output_image);
8337 p_j2k->m_output_image = NULL;
8338
8339 opj_thread_pool_destroy(p_j2k->m_tp);
8340 p_j2k->m_tp = NULL;
8341
8342 opj_free(p_j2k);
8343 }
8344
j2k_destroy_cstr_index(opj_codestream_index_t * p_cstr_ind)8345 void j2k_destroy_cstr_index(opj_codestream_index_t *p_cstr_ind)
8346 {
8347 if (p_cstr_ind) {
8348
8349 if (p_cstr_ind->marker) {
8350 opj_free(p_cstr_ind->marker);
8351 p_cstr_ind->marker = NULL;
8352 }
8353
8354 if (p_cstr_ind->tile_index) {
8355 OPJ_UINT32 it_tile = 0;
8356
8357 for (it_tile = 0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) {
8358
8359 if (p_cstr_ind->tile_index[it_tile].packet_index) {
8360 opj_free(p_cstr_ind->tile_index[it_tile].packet_index);
8361 p_cstr_ind->tile_index[it_tile].packet_index = NULL;
8362 }
8363
8364 if (p_cstr_ind->tile_index[it_tile].tp_index) {
8365 opj_free(p_cstr_ind->tile_index[it_tile].tp_index);
8366 p_cstr_ind->tile_index[it_tile].tp_index = NULL;
8367 }
8368
8369 if (p_cstr_ind->tile_index[it_tile].marker) {
8370 opj_free(p_cstr_ind->tile_index[it_tile].marker);
8371 p_cstr_ind->tile_index[it_tile].marker = NULL;
8372
8373 }
8374 }
8375
8376 opj_free(p_cstr_ind->tile_index);
8377 p_cstr_ind->tile_index = NULL;
8378 }
8379
8380 opj_free(p_cstr_ind);
8381 }
8382 }
8383
opj_j2k_tcp_destroy(opj_tcp_t * p_tcp)8384 static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp)
8385 {
8386 if (p_tcp == 00) {
8387 return;
8388 }
8389
8390 if (p_tcp->ppt_markers != 00) {
8391 OPJ_UINT32 i;
8392 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
8393 if (p_tcp->ppt_markers[i].m_data != NULL) {
8394 opj_free(p_tcp->ppt_markers[i].m_data);
8395 }
8396 }
8397 p_tcp->ppt_markers_count = 0U;
8398 opj_free(p_tcp->ppt_markers);
8399 p_tcp->ppt_markers = NULL;
8400 }
8401
8402 if (p_tcp->ppt_buffer != 00) {
8403 opj_free(p_tcp->ppt_buffer);
8404 p_tcp->ppt_buffer = 00;
8405 }
8406
8407 if (p_tcp->tccps != 00) {
8408 opj_free(p_tcp->tccps);
8409 p_tcp->tccps = 00;
8410 }
8411
8412 if (p_tcp->m_mct_coding_matrix != 00) {
8413 opj_free(p_tcp->m_mct_coding_matrix);
8414 p_tcp->m_mct_coding_matrix = 00;
8415 }
8416
8417 if (p_tcp->m_mct_decoding_matrix != 00) {
8418 opj_free(p_tcp->m_mct_decoding_matrix);
8419 p_tcp->m_mct_decoding_matrix = 00;
8420 }
8421
8422 if (p_tcp->m_mcc_records) {
8423 opj_free(p_tcp->m_mcc_records);
8424 p_tcp->m_mcc_records = 00;
8425 p_tcp->m_nb_max_mcc_records = 0;
8426 p_tcp->m_nb_mcc_records = 0;
8427 }
8428
8429 if (p_tcp->m_mct_records) {
8430 opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
8431 OPJ_UINT32 i;
8432
8433 for (i = 0; i < p_tcp->m_nb_mct_records; ++i) {
8434 if (l_mct_data->m_data) {
8435 opj_free(l_mct_data->m_data);
8436 l_mct_data->m_data = 00;
8437 }
8438
8439 ++l_mct_data;
8440 }
8441
8442 opj_free(p_tcp->m_mct_records);
8443 p_tcp->m_mct_records = 00;
8444 }
8445
8446 if (p_tcp->mct_norms != 00) {
8447 opj_free(p_tcp->mct_norms);
8448 p_tcp->mct_norms = 00;
8449 }
8450
8451 opj_j2k_tcp_data_destroy(p_tcp);
8452
8453 }
8454
opj_j2k_tcp_data_destroy(opj_tcp_t * p_tcp)8455 static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp)
8456 {
8457 if (p_tcp->m_data) {
8458 opj_free(p_tcp->m_data);
8459 p_tcp->m_data = NULL;
8460 p_tcp->m_data_size = 0;
8461 }
8462 }
8463
opj_j2k_cp_destroy(opj_cp_t * p_cp)8464 static void opj_j2k_cp_destroy(opj_cp_t *p_cp)
8465 {
8466 OPJ_UINT32 l_nb_tiles;
8467 opj_tcp_t * l_current_tile = 00;
8468
8469 if (p_cp == 00) {
8470 return;
8471 }
8472 if (p_cp->tcps != 00) {
8473 OPJ_UINT32 i;
8474 l_current_tile = p_cp->tcps;
8475 l_nb_tiles = p_cp->th * p_cp->tw;
8476
8477 for (i = 0U; i < l_nb_tiles; ++i) {
8478 opj_j2k_tcp_destroy(l_current_tile);
8479 ++l_current_tile;
8480 }
8481 opj_free(p_cp->tcps);
8482 p_cp->tcps = 00;
8483 }
8484 if (p_cp->ppm_markers != 00) {
8485 OPJ_UINT32 i;
8486 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
8487 if (p_cp->ppm_markers[i].m_data != NULL) {
8488 opj_free(p_cp->ppm_markers[i].m_data);
8489 }
8490 }
8491 p_cp->ppm_markers_count = 0U;
8492 opj_free(p_cp->ppm_markers);
8493 p_cp->ppm_markers = NULL;
8494 }
8495 opj_free(p_cp->ppm_buffer);
8496 p_cp->ppm_buffer = 00;
8497 p_cp->ppm_data =
8498 NULL; /* ppm_data belongs to the allocated buffer pointed by ppm_buffer */
8499 opj_free(p_cp->comment);
8500 p_cp->comment = 00;
8501 if (! p_cp->m_is_decoder) {
8502 opj_free(p_cp->m_specific_param.m_enc.m_matrice);
8503 p_cp->m_specific_param.m_enc.m_matrice = 00;
8504 }
8505 }
8506
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)8507 static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
8508 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
8509 opj_event_mgr_t * p_manager)
8510 {
8511 OPJ_BYTE l_header_data[10];
8512 OPJ_OFF_T l_stream_pos_backup;
8513 OPJ_UINT32 l_current_marker;
8514 OPJ_UINT32 l_marker_size;
8515 OPJ_UINT32 l_tile_no, l_tot_len, l_current_part, l_num_parts;
8516
8517 /* initialize to no correction needed */
8518 *p_correction_needed = OPJ_FALSE;
8519
8520 if (!opj_stream_has_seek(p_stream)) {
8521 /* We can't do much in this case, seek is needed */
8522 return OPJ_TRUE;
8523 }
8524
8525 l_stream_pos_backup = opj_stream_tell(p_stream);
8526 if (l_stream_pos_backup == -1) {
8527 /* let's do nothing */
8528 return OPJ_TRUE;
8529 }
8530
8531 for (;;) {
8532 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8533 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
8534 /* assume all is OK */
8535 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8536 return OPJ_FALSE;
8537 }
8538 return OPJ_TRUE;
8539 }
8540
8541 /* Read 2 bytes from buffer as the new marker ID */
8542 opj_read_bytes(l_header_data, &l_current_marker, 2);
8543
8544 if (l_current_marker != J2K_MS_SOT) {
8545 /* assume all is OK */
8546 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8547 return OPJ_FALSE;
8548 }
8549 return OPJ_TRUE;
8550 }
8551
8552 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
8553 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
8554 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8555 return OPJ_FALSE;
8556 }
8557
8558 /* Read 2 bytes from the buffer as the marker size */
8559 opj_read_bytes(l_header_data, &l_marker_size, 2);
8560
8561 /* Check marker size for SOT Marker */
8562 if (l_marker_size != 10) {
8563 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
8564 return OPJ_FALSE;
8565 }
8566 l_marker_size -= 2;
8567
8568 if (opj_stream_read_data(p_stream, l_header_data, l_marker_size,
8569 p_manager) != l_marker_size) {
8570 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8571 return OPJ_FALSE;
8572 }
8573
8574 if (! opj_j2k_get_sot_values(l_header_data, l_marker_size, &l_tile_no,
8575 &l_tot_len, &l_current_part, &l_num_parts, p_manager)) {
8576 return OPJ_FALSE;
8577 }
8578
8579 if (l_tile_no == tile_no) {
8580 /* we found what we were looking for */
8581 break;
8582 }
8583
8584 if (l_tot_len < 14U) {
8585 /* last SOT until EOC or invalid Psot value */
8586 /* assume all is OK */
8587 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8588 return OPJ_FALSE;
8589 }
8590 return OPJ_TRUE;
8591 }
8592 l_tot_len -= 12U;
8593 /* look for next SOT marker */
8594 if (opj_stream_skip(p_stream, (OPJ_OFF_T)(l_tot_len),
8595 p_manager) != (OPJ_OFF_T)(l_tot_len)) {
8596 /* assume all is OK */
8597 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8598 return OPJ_FALSE;
8599 }
8600 return OPJ_TRUE;
8601 }
8602 }
8603
8604 /* check for correction */
8605 if (l_current_part == l_num_parts) {
8606 *p_correction_needed = OPJ_TRUE;
8607 }
8608
8609 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8610 return OPJ_FALSE;
8611 }
8612 return OPJ_TRUE;
8613 }
8614
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)8615 OPJ_BOOL opj_j2k_read_tile_header(opj_j2k_t * p_j2k,
8616 OPJ_UINT32 * p_tile_index,
8617 OPJ_UINT32 * p_data_size,
8618 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
8619 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
8620 OPJ_UINT32 * p_nb_comps,
8621 OPJ_BOOL * p_go_on,
8622 opj_stream_private_t *p_stream,
8623 opj_event_mgr_t * p_manager)
8624 {
8625 OPJ_UINT32 l_current_marker = J2K_MS_SOT;
8626 OPJ_UINT32 l_marker_size;
8627 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
8628 opj_tcp_t * l_tcp = NULL;
8629
8630 /* preconditions */
8631 assert(p_stream != 00);
8632 assert(p_j2k != 00);
8633 assert(p_manager != 00);
8634
8635 /* Reach the End Of Codestream ?*/
8636 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
8637 l_current_marker = J2K_MS_EOC;
8638 }
8639 /* We need to encounter a SOT marker (a new tile-part header) */
8640 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
8641 return OPJ_FALSE;
8642 }
8643
8644 /* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */
8645 while ((!p_j2k->m_specific_param.m_decoder.m_can_decode) &&
8646 (l_current_marker != J2K_MS_EOC)) {
8647
8648 /* Try to read until the Start Of Data is detected */
8649 while (l_current_marker != J2K_MS_SOD) {
8650
8651 if (opj_stream_get_number_byte_left(p_stream) == 0) {
8652 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
8653 break;
8654 }
8655
8656 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
8657 if (opj_stream_read_data(p_stream,
8658 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8659 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8660 return OPJ_FALSE;
8661 }
8662
8663 /* Read 2 bytes from the buffer as the marker size */
8664 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
8665 2);
8666
8667 /* Check marker size (does not include marker ID but includes marker size) */
8668 if (l_marker_size < 2) {
8669 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
8670 return OPJ_FALSE;
8671 }
8672
8673 /* cf. https://code.google.com/p/openjpeg/issues/detail?id=226 */
8674 if (l_current_marker == 0x8080 &&
8675 opj_stream_get_number_byte_left(p_stream) == 0) {
8676 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
8677 break;
8678 }
8679
8680 /* Why this condition? FIXME */
8681 if (p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH) {
8682 p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
8683 }
8684 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
8685
8686 /* Get the marker handler from the marker ID */
8687 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
8688
8689 /* Check if the marker is known and if it is the right place to find it */
8690 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
8691 opj_event_msg(p_manager, EVT_ERROR,
8692 "Marker is not compliant with its position\n");
8693 return OPJ_FALSE;
8694 }
8695 /* FIXME manage case of unknown marker as in the main header ? */
8696
8697 /* Check if the marker size is compatible with the header data size */
8698 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
8699 OPJ_BYTE *new_header_data = NULL;
8700 /* If we are here, this means we consider this marker as known & we will read it */
8701 /* Check enough bytes left in stream before allocation */
8702 if ((OPJ_OFF_T)l_marker_size > opj_stream_get_number_byte_left(p_stream)) {
8703 opj_event_msg(p_manager, EVT_ERROR,
8704 "Marker size inconsistent with stream length\n");
8705 return OPJ_FALSE;
8706 }
8707 new_header_data = (OPJ_BYTE *) opj_realloc(
8708 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
8709 if (! new_header_data) {
8710 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
8711 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
8712 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
8713 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
8714 return OPJ_FALSE;
8715 }
8716 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
8717 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
8718 }
8719
8720 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
8721 if (opj_stream_read_data(p_stream,
8722 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
8723 p_manager) != l_marker_size) {
8724 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8725 return OPJ_FALSE;
8726 }
8727
8728 if (!l_marker_handler->handler) {
8729 /* See issue #175 */
8730 opj_event_msg(p_manager, EVT_ERROR, "Not sure how that happened.\n");
8731 return OPJ_FALSE;
8732 }
8733 /* Read the marker segment with the correct marker handler */
8734 if (!(*(l_marker_handler->handler))(p_j2k,
8735 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
8736 opj_event_msg(p_manager, EVT_ERROR,
8737 "Fail to read the current marker segment (%#x)\n", l_current_marker);
8738 return OPJ_FALSE;
8739 }
8740
8741 /* Add the marker to the codestream index*/
8742 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
8743 p_j2k->cstr_index,
8744 l_marker_handler->id,
8745 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
8746 l_marker_size + 4)) {
8747 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
8748 return OPJ_FALSE;
8749 }
8750
8751 /* Keep the position of the last SOT marker read */
8752 if (l_marker_handler->id == J2K_MS_SOT) {
8753 OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4
8754 ;
8755 if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos) {
8756 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos;
8757 }
8758 }
8759
8760 if (p_j2k->m_specific_param.m_decoder.m_skip_data) {
8761 /* Skip the rest of the tile part header*/
8762 if (opj_stream_skip(p_stream, p_j2k->m_specific_param.m_decoder.m_sot_length,
8763 p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) {
8764 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8765 return OPJ_FALSE;
8766 }
8767 l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */
8768 } else {
8769 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
8770 if (opj_stream_read_data(p_stream,
8771 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8772 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8773 return OPJ_FALSE;
8774 }
8775 /* Read 2 bytes from the buffer as the new marker ID */
8776 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8777 &l_current_marker, 2);
8778 }
8779 }
8780 if (opj_stream_get_number_byte_left(p_stream) == 0
8781 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
8782 break;
8783 }
8784
8785 /* If we didn't skip data before, we need to read the SOD marker*/
8786 if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
8787 /* Try to read the SOD marker and skip data ? FIXME */
8788 if (! opj_j2k_read_sod(p_j2k, p_stream, p_manager)) {
8789 return OPJ_FALSE;
8790 }
8791 if (p_j2k->m_specific_param.m_decoder.m_can_decode &&
8792 !p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked) {
8793 /* Issue 254 */
8794 OPJ_BOOL l_correction_needed;
8795
8796 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
8797 if (!opj_j2k_need_nb_tile_parts_correction(p_stream,
8798 p_j2k->m_current_tile_number, &l_correction_needed, p_manager)) {
8799 opj_event_msg(p_manager, EVT_ERROR,
8800 "opj_j2k_apply_nb_tile_parts_correction error\n");
8801 return OPJ_FALSE;
8802 }
8803 if (l_correction_needed) {
8804 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
8805 OPJ_UINT32 l_tile_no;
8806
8807 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
8808 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction = 1;
8809 /* correct tiles */
8810 for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
8811 if (p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts != 0U) {
8812 p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts += 1;
8813 }
8814 }
8815 opj_event_msg(p_manager, EVT_WARNING,
8816 "Non conformant codestream TPsot==TNsot.\n");
8817 }
8818 }
8819 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
8820 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8821 if (opj_stream_read_data(p_stream,
8822 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8823 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8824 return OPJ_FALSE;
8825 }
8826
8827 /* Read 2 bytes from buffer as the new marker ID */
8828 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8829 &l_current_marker, 2);
8830 }
8831 } else {
8832 /* Indicate we will try to read a new tile-part header*/
8833 p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
8834 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
8835 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
8836
8837 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8838 if (opj_stream_read_data(p_stream,
8839 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8840 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8841 return OPJ_FALSE;
8842 }
8843
8844 /* Read 2 bytes from buffer as the new marker ID */
8845 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8846 &l_current_marker, 2);
8847 }
8848 }
8849
8850 /* Current marker is the EOC marker ?*/
8851 if (l_current_marker == J2K_MS_EOC) {
8852 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
8853 p_j2k->m_current_tile_number = 0;
8854 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
8855 }
8856 }
8857
8858 /* FIXME DOC ???*/
8859 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
8860 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
8861 l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
8862
8863 while ((p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00)) {
8864 ++p_j2k->m_current_tile_number;
8865 ++l_tcp;
8866 }
8867
8868 if (p_j2k->m_current_tile_number == l_nb_tiles) {
8869 *p_go_on = OPJ_FALSE;
8870 return OPJ_TRUE;
8871 }
8872 }
8873
8874 if (! opj_j2k_merge_ppt(p_j2k->m_cp.tcps + p_j2k->m_current_tile_number,
8875 p_manager)) {
8876 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPT data\n");
8877 return OPJ_FALSE;
8878 }
8879 /*FIXME ???*/
8880 if (! opj_tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
8881 p_manager)) {
8882 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
8883 return OPJ_FALSE;
8884 }
8885
8886 opj_event_msg(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
8887 p_j2k->m_current_tile_number + 1, (p_j2k->m_cp.th * p_j2k->m_cp.tw));
8888
8889 *p_tile_index = p_j2k->m_current_tile_number;
8890 *p_go_on = OPJ_TRUE;
8891 if (p_data_size) {
8892 /* For internal use in j2k.c, we don't need this */
8893 /* This is just needed for folks using the opj_read_tile_header() / opj_decode_tile_data() combo */
8894 *p_data_size = opj_tcd_get_decoded_tile_size(p_j2k->m_tcd, OPJ_FALSE);
8895 if (*p_data_size == UINT_MAX) {
8896 return OPJ_FALSE;
8897 }
8898 }
8899 *p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
8900 *p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
8901 *p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
8902 *p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
8903 *p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
8904
8905 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
8906
8907 return OPJ_TRUE;
8908 }
8909
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)8910 OPJ_BOOL opj_j2k_decode_tile(opj_j2k_t * p_j2k,
8911 OPJ_UINT32 p_tile_index,
8912 OPJ_BYTE * p_data,
8913 OPJ_UINT32 p_data_size,
8914 opj_stream_private_t *p_stream,
8915 opj_event_mgr_t * p_manager)
8916 {
8917 OPJ_UINT32 l_current_marker;
8918 OPJ_BYTE l_data [2];
8919 opj_tcp_t * l_tcp;
8920 opj_image_t* l_image_for_bounds;
8921
8922 /* preconditions */
8923 assert(p_stream != 00);
8924 assert(p_j2k != 00);
8925 assert(p_manager != 00);
8926
8927 if (!(p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_DATA)
8928 || (p_tile_index != p_j2k->m_current_tile_number)) {
8929 return OPJ_FALSE;
8930 }
8931
8932 l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
8933 if (! l_tcp->m_data) {
8934 opj_j2k_tcp_destroy(l_tcp);
8935 return OPJ_FALSE;
8936 }
8937
8938 /* When using the opj_read_tile_header / opj_decode_tile_data API */
8939 /* such as in test_tile_decoder, m_output_image is NULL, so fall back */
8940 /* to the full image dimension. This is a bit surprising that */
8941 /* opj_set_decode_area() is only used to determinte intersecting tiles, */
8942 /* but full tile decoding is done */
8943 l_image_for_bounds = p_j2k->m_output_image ? p_j2k->m_output_image :
8944 p_j2k->m_private_image;
8945 if (! opj_tcd_decode_tile(p_j2k->m_tcd,
8946 l_image_for_bounds->x0,
8947 l_image_for_bounds->y0,
8948 l_image_for_bounds->x1,
8949 l_image_for_bounds->y1,
8950 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode,
8951 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
8952 l_tcp->m_data,
8953 l_tcp->m_data_size,
8954 p_tile_index,
8955 p_j2k->cstr_index, p_manager)) {
8956 opj_j2k_tcp_destroy(l_tcp);
8957 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
8958 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode.\n");
8959 return OPJ_FALSE;
8960 }
8961
8962 /* p_data can be set to NULL when the call will take care of using */
8963 /* itself the TCD data. This is typically the case for whole single */
8964 /* tile decoding optimization. */
8965 if (p_data != NULL) {
8966 if (! opj_tcd_update_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
8967 return OPJ_FALSE;
8968 }
8969
8970 /* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access)
8971 * we destroy just the data which will be re-read in read_tile_header*/
8972 /*opj_j2k_tcp_destroy(l_tcp);
8973 p_j2k->m_tcd->tcp = 0;*/
8974 opj_j2k_tcp_data_destroy(l_tcp);
8975 }
8976
8977 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
8978 p_j2k->m_specific_param.m_decoder.m_state &= (~(OPJ_UINT32)J2K_STATE_DATA);
8979
8980 if (opj_stream_get_number_byte_left(p_stream) == 0
8981 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
8982 return OPJ_TRUE;
8983 }
8984
8985 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
8986 if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
8987 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8988 return OPJ_FALSE;
8989 }
8990
8991 opj_read_bytes(l_data, &l_current_marker, 2);
8992
8993 if (l_current_marker == J2K_MS_EOC) {
8994 p_j2k->m_current_tile_number = 0;
8995 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
8996 } else if (l_current_marker != J2K_MS_SOT) {
8997 if (opj_stream_get_number_byte_left(p_stream) == 0) {
8998 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
8999 opj_event_msg(p_manager, EVT_WARNING, "Stream does not end with EOC\n");
9000 return OPJ_TRUE;
9001 }
9002 opj_event_msg(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
9003 return OPJ_FALSE;
9004 }
9005 }
9006
9007 return OPJ_TRUE;
9008 }
9009
opj_j2k_update_image_data(opj_tcd_t * p_tcd,opj_image_t * p_output_image)9010 static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
9011 opj_image_t* p_output_image)
9012 {
9013 OPJ_UINT32 i, j;
9014 OPJ_UINT32 l_width_src, l_height_src;
9015 OPJ_UINT32 l_width_dest, l_height_dest;
9016 OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src;
9017 OPJ_SIZE_T l_start_offset_src;
9018 OPJ_UINT32 l_start_x_dest, l_start_y_dest;
9019 OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest;
9020 OPJ_SIZE_T l_start_offset_dest;
9021
9022 opj_image_comp_t * l_img_comp_src = 00;
9023 opj_image_comp_t * l_img_comp_dest = 00;
9024
9025 opj_tcd_tilecomp_t * l_tilec = 00;
9026 opj_image_t * l_image_src = 00;
9027 OPJ_INT32 * l_dest_ptr;
9028
9029 l_tilec = p_tcd->tcd_image->tiles->comps;
9030 l_image_src = p_tcd->image;
9031 l_img_comp_src = l_image_src->comps;
9032
9033 l_img_comp_dest = p_output_image->comps;
9034
9035 for (i = 0; i < l_image_src->numcomps;
9036 i++, ++l_img_comp_dest, ++l_img_comp_src, ++l_tilec) {
9037 OPJ_INT32 res_x0, res_x1, res_y0, res_y1;
9038 OPJ_UINT32 src_data_stride;
9039 const OPJ_INT32* p_src_data;
9040
9041 /* Copy info from decoded comp image to output image */
9042 l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded;
9043
9044 if (p_tcd->whole_tile_decoding) {
9045 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
9046 l_img_comp_src->resno_decoded;
9047 res_x0 = l_res->x0;
9048 res_y0 = l_res->y0;
9049 res_x1 = l_res->x1;
9050 res_y1 = l_res->y1;
9051 src_data_stride = (OPJ_UINT32)(
9052 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x1 -
9053 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x0);
9054 p_src_data = l_tilec->data;
9055 } else {
9056 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
9057 l_img_comp_src->resno_decoded;
9058 res_x0 = (OPJ_INT32)l_res->win_x0;
9059 res_y0 = (OPJ_INT32)l_res->win_y0;
9060 res_x1 = (OPJ_INT32)l_res->win_x1;
9061 res_y1 = (OPJ_INT32)l_res->win_y1;
9062 src_data_stride = l_res->win_x1 - l_res->win_x0;
9063 p_src_data = l_tilec->data_win;
9064 }
9065
9066 if (p_src_data == NULL) {
9067 /* Happens for partial component decoding */
9068 continue;
9069 }
9070
9071 l_width_src = (OPJ_UINT32)(res_x1 - res_x0);
9072 l_height_src = (OPJ_UINT32)(res_y1 - res_y0);
9073
9074
9075 /* Current tile component size*/
9076 /*if (i == 0) {
9077 fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n",
9078 res_x0, res_x1, res_y0, res_y1);
9079 }*/
9080
9081
9082 /* Border of the current output component*/
9083 l_x0_dest = opj_uint_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
9084 l_y0_dest = opj_uint_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
9085 l_x1_dest = l_x0_dest +
9086 l_img_comp_dest->w; /* can't overflow given that image->x1 is uint32 */
9087 l_y1_dest = l_y0_dest + l_img_comp_dest->h;
9088
9089 /*if (i == 0) {
9090 fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n",
9091 l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor );
9092 }*/
9093
9094 /*-----*/
9095 /* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src)
9096 * of the input buffer (decoded tile component) which will be move
9097 * in the output buffer. Compute the area of the output buffer (l_start_x_dest,
9098 * l_start_y_dest, l_width_dest, l_height_dest) which will be modified
9099 * by this input area.
9100 * */
9101 assert(res_x0 >= 0);
9102 assert(res_x1 >= 0);
9103
9104 /* Prevent bad casting to unsigned values in the subsequent lines. */
9105 if ( res_x0 < 0 || res_x1 < 0 || res_y0 < 0 || res_y1 < 0 ) {
9106 return OPJ_FALSE;
9107 }
9108
9109 if (l_x0_dest < (OPJ_UINT32)res_x0) {
9110 l_start_x_dest = (OPJ_UINT32)res_x0 - l_x0_dest;
9111 l_offset_x0_src = 0;
9112
9113 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
9114 l_width_dest = l_width_src;
9115 l_offset_x1_src = 0;
9116 } else {
9117 l_width_dest = l_x1_dest - (OPJ_UINT32)res_x0 ;
9118 l_offset_x1_src = (OPJ_INT32)(l_width_src - l_width_dest);
9119 }
9120 } else {
9121 l_start_x_dest = 0U;
9122 l_offset_x0_src = (OPJ_INT32)l_x0_dest - res_x0;
9123
9124 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
9125 l_width_dest = l_width_src - (OPJ_UINT32)l_offset_x0_src;
9126 l_offset_x1_src = 0;
9127 } else {
9128 l_width_dest = l_img_comp_dest->w ;
9129 l_offset_x1_src = res_x1 - (OPJ_INT32)l_x1_dest;
9130 }
9131 }
9132
9133 if (l_y0_dest < (OPJ_UINT32)res_y0) {
9134 l_start_y_dest = (OPJ_UINT32)res_y0 - l_y0_dest;
9135 l_offset_y0_src = 0;
9136
9137 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
9138 l_height_dest = l_height_src;
9139 l_offset_y1_src = 0;
9140 } else {
9141 l_height_dest = l_y1_dest - (OPJ_UINT32)res_y0 ;
9142 l_offset_y1_src = (OPJ_INT32)(l_height_src - l_height_dest);
9143 }
9144 } else {
9145 l_start_y_dest = 0U;
9146 l_offset_y0_src = (OPJ_INT32)l_y0_dest - res_y0;
9147
9148 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
9149 l_height_dest = l_height_src - (OPJ_UINT32)l_offset_y0_src;
9150 l_offset_y1_src = 0;
9151 } else {
9152 l_height_dest = l_img_comp_dest->h ;
9153 l_offset_y1_src = res_y1 - (OPJ_INT32)l_y1_dest;
9154 }
9155 }
9156
9157 if ((l_offset_x0_src < 0) || (l_offset_y0_src < 0) || (l_offset_x1_src < 0) ||
9158 (l_offset_y1_src < 0)) {
9159 return OPJ_FALSE;
9160 }
9161 /* testcase 2977.pdf.asan.67.2198 */
9162 if ((OPJ_INT32)l_width_dest < 0 || (OPJ_INT32)l_height_dest < 0) {
9163 return OPJ_FALSE;
9164 }
9165 /*-----*/
9166
9167 /* Compute the input buffer offset */
9168 l_start_offset_src = (OPJ_SIZE_T)l_offset_x0_src + (OPJ_SIZE_T)l_offset_y0_src
9169 * (OPJ_SIZE_T)src_data_stride;
9170
9171 /* Compute the output buffer offset */
9172 l_start_offset_dest = (OPJ_SIZE_T)l_start_x_dest + (OPJ_SIZE_T)l_start_y_dest
9173 * (OPJ_SIZE_T)l_img_comp_dest->w;
9174
9175 /* Allocate output component buffer if necessary */
9176 if (l_img_comp_dest->data == NULL &&
9177 l_start_offset_src == 0 && l_start_offset_dest == 0 &&
9178 src_data_stride == l_img_comp_dest->w &&
9179 l_width_dest == l_img_comp_dest->w &&
9180 l_height_dest == l_img_comp_dest->h) {
9181 /* If the final image matches the tile buffer, then borrow it */
9182 /* directly to save a copy */
9183 if (p_tcd->whole_tile_decoding) {
9184 l_img_comp_dest->data = l_tilec->data;
9185 l_tilec->data = NULL;
9186 } else {
9187 l_img_comp_dest->data = l_tilec->data_win;
9188 l_tilec->data_win = NULL;
9189 }
9190 continue;
9191 } else if (l_img_comp_dest->data == NULL) {
9192 OPJ_SIZE_T l_width = l_img_comp_dest->w;
9193 OPJ_SIZE_T l_height = l_img_comp_dest->h;
9194
9195 if ((l_height == 0U) || (l_width > (SIZE_MAX / l_height)) ||
9196 l_width * l_height > SIZE_MAX / sizeof(OPJ_INT32)) {
9197 /* would overflow */
9198 return OPJ_FALSE;
9199 }
9200 l_img_comp_dest->data = (OPJ_INT32*) opj_image_data_alloc(l_width * l_height *
9201 sizeof(OPJ_INT32));
9202 if (! l_img_comp_dest->data) {
9203 return OPJ_FALSE;
9204 }
9205
9206 if (l_img_comp_dest->w != l_width_dest ||
9207 l_img_comp_dest->h != l_height_dest) {
9208 memset(l_img_comp_dest->data, 0,
9209 (OPJ_SIZE_T)l_img_comp_dest->w * l_img_comp_dest->h * sizeof(OPJ_INT32));
9210 }
9211 }
9212
9213 /* Move the output buffer to the first place where we will write*/
9214 l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest;
9215
9216 {
9217 const OPJ_INT32 * l_src_ptr = p_src_data;
9218 l_src_ptr += l_start_offset_src;
9219
9220 for (j = 0; j < l_height_dest; ++j) {
9221 memcpy(l_dest_ptr, l_src_ptr, l_width_dest * sizeof(OPJ_INT32));
9222 l_dest_ptr += l_img_comp_dest->w;
9223 l_src_ptr += src_data_stride;
9224 }
9225 }
9226
9227
9228 }
9229
9230 return OPJ_TRUE;
9231 }
9232
opj_j2k_update_image_dimensions(opj_image_t * p_image,opj_event_mgr_t * p_manager)9233 static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
9234 opj_event_mgr_t * p_manager)
9235 {
9236 OPJ_UINT32 it_comp;
9237 OPJ_INT32 l_comp_x1, l_comp_y1;
9238 opj_image_comp_t* l_img_comp = NULL;
9239
9240 l_img_comp = p_image->comps;
9241 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
9242 l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
9243 l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
9244 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
9245 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
9246
9247 OPJ_INT32 l_1 = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor);
9248 OPJ_INT32 l_2 = opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor);
9249 if (l_1 < l_2) {
9250 opj_event_msg(p_manager, EVT_ERROR,
9251 "Size x of the decoded component image is incorrect (comp[%d].w<0).\n",
9252 it_comp);
9253 return OPJ_FALSE;
9254 }
9255 l_img_comp->w = (OPJ_UINT32)(l_1-l_2);
9256
9257 l_1 = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor);
9258 l_2 = opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor);
9259 if (l_1 < l_2) {
9260 opj_event_msg(p_manager, EVT_ERROR,
9261 "Size y of the decoded component image is incorrect (comp[%d].h<0).\n",
9262 it_comp);
9263 return OPJ_FALSE;
9264 }
9265 l_img_comp->h = (OPJ_UINT32)(l_1-l_2);
9266
9267 l_img_comp++;
9268 }
9269
9270 return OPJ_TRUE;
9271 }
9272
opj_j2k_set_decoded_components(opj_j2k_t * p_j2k,OPJ_UINT32 numcomps,const OPJ_UINT32 * comps_indices,opj_event_mgr_t * p_manager)9273 OPJ_BOOL opj_j2k_set_decoded_components(opj_j2k_t *p_j2k,
9274 OPJ_UINT32 numcomps,
9275 const OPJ_UINT32* comps_indices,
9276 opj_event_mgr_t * p_manager)
9277 {
9278 OPJ_UINT32 i;
9279 OPJ_BOOL* already_mapped;
9280
9281 if (p_j2k->m_private_image == NULL) {
9282 opj_event_msg(p_manager, EVT_ERROR,
9283 "opj_read_header() should be called before "
9284 "opj_set_decoded_components().\n");
9285 return OPJ_FALSE;
9286 }
9287
9288 already_mapped = (OPJ_BOOL*) opj_calloc(sizeof(OPJ_BOOL),
9289 p_j2k->m_private_image->numcomps);
9290 if (already_mapped == NULL) {
9291 return OPJ_FALSE;
9292 }
9293
9294 for (i = 0; i < numcomps; i++) {
9295 if (comps_indices[i] >= p_j2k->m_private_image->numcomps) {
9296 opj_event_msg(p_manager, EVT_ERROR,
9297 "Invalid component index: %u\n",
9298 comps_indices[i]);
9299 opj_free(already_mapped);
9300 return OPJ_FALSE;
9301 }
9302 if (already_mapped[comps_indices[i]]) {
9303 opj_event_msg(p_manager, EVT_ERROR,
9304 "Component index %u used several times\n",
9305 comps_indices[i]);
9306 opj_free(already_mapped);
9307 return OPJ_FALSE;
9308 }
9309 already_mapped[comps_indices[i]] = OPJ_TRUE;
9310 }
9311 opj_free(already_mapped);
9312
9313 opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
9314 if (numcomps) {
9315 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode =
9316 (OPJ_UINT32*) opj_malloc(numcomps * sizeof(OPJ_UINT32));
9317 if (p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode == NULL) {
9318 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
9319 return OPJ_FALSE;
9320 }
9321 memcpy(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
9322 comps_indices,
9323 numcomps * sizeof(OPJ_UINT32));
9324 } else {
9325 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = NULL;
9326 }
9327 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = numcomps;
9328
9329 return OPJ_TRUE;
9330 }
9331
9332
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)9333 OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k,
9334 opj_image_t* p_image,
9335 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
9336 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
9337 opj_event_mgr_t * p_manager)
9338 {
9339 opj_cp_t * l_cp = &(p_j2k->m_cp);
9340 opj_image_t * l_image = p_j2k->m_private_image;
9341 OPJ_BOOL ret;
9342 OPJ_UINT32 it_comp;
9343
9344 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
9345 p_j2k->m_cp.tcps[0].m_data != NULL) {
9346 /* In the case of a single-tiled image whose codestream we have already */
9347 /* ingested, go on */
9348 }
9349 /* Check if we are read the main header */
9350 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
9351 opj_event_msg(p_manager, EVT_ERROR,
9352 "Need to decode the main header before begin to decode the remaining codestream.\n");
9353 return OPJ_FALSE;
9354 }
9355
9356 /* Update the comps[].factor member of the output image with the one */
9357 /* of m_reduce */
9358 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
9359 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
9360 }
9361
9362 if (!p_start_x && !p_start_y && !p_end_x && !p_end_y) {
9363 opj_event_msg(p_manager, EVT_INFO,
9364 "No decoded area parameters, set the decoded area to the whole image\n");
9365
9366 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
9367 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
9368 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
9369 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
9370
9371 p_image->x0 = l_image->x0;
9372 p_image->y0 = l_image->y0;
9373 p_image->x1 = l_image->x1;
9374 p_image->y1 = l_image->y1;
9375
9376 return opj_j2k_update_image_dimensions(p_image, p_manager);
9377 }
9378
9379 /* ----- */
9380 /* Check if the positions provided by the user are correct */
9381
9382 /* Left */
9383 if (p_start_x < 0) {
9384 opj_event_msg(p_manager, EVT_ERROR,
9385 "Left position of the decoded area (region_x0=%d) should be >= 0.\n",
9386 p_start_x);
9387 return OPJ_FALSE;
9388 } else if ((OPJ_UINT32)p_start_x > l_image->x1) {
9389 opj_event_msg(p_manager, EVT_ERROR,
9390 "Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n",
9391 p_start_x, l_image->x1);
9392 return OPJ_FALSE;
9393 } else if ((OPJ_UINT32)p_start_x < l_image->x0) {
9394 opj_event_msg(p_manager, EVT_WARNING,
9395 "Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n",
9396 p_start_x, l_image->x0);
9397 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
9398 p_image->x0 = l_image->x0;
9399 } else {
9400 p_j2k->m_specific_param.m_decoder.m_start_tile_x = ((OPJ_UINT32)p_start_x -
9401 l_cp->tx0) / l_cp->tdx;
9402 p_image->x0 = (OPJ_UINT32)p_start_x;
9403 }
9404
9405 /* Up */
9406 if (p_start_y < 0) {
9407 opj_event_msg(p_manager, EVT_ERROR,
9408 "Up position of the decoded area (region_y0=%d) should be >= 0.\n",
9409 p_start_y);
9410 return OPJ_FALSE;
9411 } else if ((OPJ_UINT32)p_start_y > l_image->y1) {
9412 opj_event_msg(p_manager, EVT_ERROR,
9413 "Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n",
9414 p_start_y, l_image->y1);
9415 return OPJ_FALSE;
9416 } else if ((OPJ_UINT32)p_start_y < l_image->y0) {
9417 opj_event_msg(p_manager, EVT_WARNING,
9418 "Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n",
9419 p_start_y, l_image->y0);
9420 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
9421 p_image->y0 = l_image->y0;
9422 } else {
9423 p_j2k->m_specific_param.m_decoder.m_start_tile_y = ((OPJ_UINT32)p_start_y -
9424 l_cp->ty0) / l_cp->tdy;
9425 p_image->y0 = (OPJ_UINT32)p_start_y;
9426 }
9427
9428 /* Right */
9429 if (p_end_x <= 0) {
9430 opj_event_msg(p_manager, EVT_ERROR,
9431 "Right position of the decoded area (region_x1=%d) should be > 0.\n",
9432 p_end_x);
9433 return OPJ_FALSE;
9434 } else if ((OPJ_UINT32)p_end_x < l_image->x0) {
9435 opj_event_msg(p_manager, EVT_ERROR,
9436 "Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n",
9437 p_end_x, l_image->x0);
9438 return OPJ_FALSE;
9439 } else if ((OPJ_UINT32)p_end_x > l_image->x1) {
9440 opj_event_msg(p_manager, EVT_WARNING,
9441 "Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n",
9442 p_end_x, l_image->x1);
9443 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
9444 p_image->x1 = l_image->x1;
9445 } else {
9446 p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv(
9447 p_end_x - (OPJ_INT32)l_cp->tx0, (OPJ_INT32)l_cp->tdx);
9448 p_image->x1 = (OPJ_UINT32)p_end_x;
9449 }
9450
9451 /* Bottom */
9452 if (p_end_y <= 0) {
9453 opj_event_msg(p_manager, EVT_ERROR,
9454 "Bottom position of the decoded area (region_y1=%d) should be > 0.\n",
9455 p_end_y);
9456 return OPJ_FALSE;
9457 } else if ((OPJ_UINT32)p_end_y < l_image->y0) {
9458 opj_event_msg(p_manager, EVT_ERROR,
9459 "Bottom position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n",
9460 p_end_y, l_image->y0);
9461 return OPJ_FALSE;
9462 }
9463 if ((OPJ_UINT32)p_end_y > l_image->y1) {
9464 opj_event_msg(p_manager, EVT_WARNING,
9465 "Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n",
9466 p_end_y, l_image->y1);
9467 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
9468 p_image->y1 = l_image->y1;
9469 } else {
9470 p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv(
9471 p_end_y - (OPJ_INT32)l_cp->ty0, (OPJ_INT32)l_cp->tdy);
9472 p_image->y1 = (OPJ_UINT32)p_end_y;
9473 }
9474 /* ----- */
9475
9476 p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1;
9477
9478 ret = opj_j2k_update_image_dimensions(p_image, p_manager);
9479
9480 if (ret) {
9481 opj_event_msg(p_manager, EVT_INFO, "Setting decoding area to %d,%d,%d,%d\n",
9482 p_image->x0, p_image->y0, p_image->x1, p_image->y1);
9483 }
9484
9485 return ret;
9486 }
9487
opj_j2k_create_decompress(void)9488 opj_j2k_t* opj_j2k_create_decompress(void)
9489 {
9490 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
9491 if (!l_j2k) {
9492 return 00;
9493 }
9494
9495 l_j2k->m_is_decoder = 1;
9496 l_j2k->m_cp.m_is_decoder = 1;
9497 /* in the absence of JP2 boxes, consider different bit depth / sign */
9498 /* per component is allowed */
9499 l_j2k->m_cp.allow_different_bit_depth_sign = 1;
9500
9501 #ifdef OPJ_DISABLE_TPSOT_FIX
9502 l_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
9503 #endif
9504
9505 l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_t*) opj_calloc(1,
9506 sizeof(opj_tcp_t));
9507 if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
9508 opj_j2k_destroy(l_j2k);
9509 return 00;
9510 }
9511
9512 l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_calloc(1,
9513 OPJ_J2K_DEFAULT_HEADER_SIZE);
9514 if (! l_j2k->m_specific_param.m_decoder.m_header_data) {
9515 opj_j2k_destroy(l_j2k);
9516 return 00;
9517 }
9518
9519 l_j2k->m_specific_param.m_decoder.m_header_data_size =
9520 OPJ_J2K_DEFAULT_HEADER_SIZE;
9521
9522 l_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = -1 ;
9523
9524 l_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = 0 ;
9525
9526 /* codestream index creation */
9527 l_j2k->cstr_index = opj_j2k_create_cstr_index();
9528 if (!l_j2k->cstr_index) {
9529 opj_j2k_destroy(l_j2k);
9530 return 00;
9531 }
9532
9533 /* validation list creation */
9534 l_j2k->m_validation_list = opj_procedure_list_create();
9535 if (! l_j2k->m_validation_list) {
9536 opj_j2k_destroy(l_j2k);
9537 return 00;
9538 }
9539
9540 /* execution list creation */
9541 l_j2k->m_procedure_list = opj_procedure_list_create();
9542 if (! l_j2k->m_procedure_list) {
9543 opj_j2k_destroy(l_j2k);
9544 return 00;
9545 }
9546
9547 l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
9548 if (!l_j2k->m_tp) {
9549 l_j2k->m_tp = opj_thread_pool_create(0);
9550 }
9551 if (!l_j2k->m_tp) {
9552 opj_j2k_destroy(l_j2k);
9553 return NULL;
9554 }
9555
9556 return l_j2k;
9557 }
9558
opj_j2k_create_cstr_index(void)9559 static opj_codestream_index_t* opj_j2k_create_cstr_index(void)
9560 {
9561 opj_codestream_index_t* cstr_index = (opj_codestream_index_t*)
9562 opj_calloc(1, sizeof(opj_codestream_index_t));
9563 if (!cstr_index) {
9564 return NULL;
9565 }
9566
9567 cstr_index->maxmarknum = 100;
9568 cstr_index->marknum = 0;
9569 cstr_index->marker = (opj_marker_info_t*)
9570 opj_calloc(cstr_index->maxmarknum, sizeof(opj_marker_info_t));
9571 if (!cstr_index-> marker) {
9572 opj_free(cstr_index);
9573 return NULL;
9574 }
9575
9576 cstr_index->tile_index = NULL;
9577
9578 return cstr_index;
9579 }
9580
opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no)9581 static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
9582 OPJ_UINT32 p_tile_no,
9583 OPJ_UINT32 p_comp_no)
9584 {
9585 opj_cp_t *l_cp = 00;
9586 opj_tcp_t *l_tcp = 00;
9587 opj_tccp_t *l_tccp = 00;
9588
9589 /* preconditions */
9590 assert(p_j2k != 00);
9591
9592 l_cp = &(p_j2k->m_cp);
9593 l_tcp = &l_cp->tcps[p_tile_no];
9594 l_tccp = &l_tcp->tccps[p_comp_no];
9595
9596 /* preconditions again */
9597 assert(p_tile_no < (l_cp->tw * l_cp->th));
9598 assert(p_comp_no < p_j2k->m_private_image->numcomps);
9599
9600 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
9601 return 5 + l_tccp->numresolutions;
9602 } else {
9603 return 5;
9604 }
9605 }
9606
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)9607 static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
9608 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
9609 {
9610 OPJ_UINT32 i;
9611 opj_cp_t *l_cp = NULL;
9612 opj_tcp_t *l_tcp = NULL;
9613 opj_tccp_t *l_tccp0 = NULL;
9614 opj_tccp_t *l_tccp1 = NULL;
9615
9616 /* preconditions */
9617 assert(p_j2k != 00);
9618
9619 l_cp = &(p_j2k->m_cp);
9620 l_tcp = &l_cp->tcps[p_tile_no];
9621 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
9622 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
9623
9624 if (l_tccp0->numresolutions != l_tccp1->numresolutions) {
9625 return OPJ_FALSE;
9626 }
9627 if (l_tccp0->cblkw != l_tccp1->cblkw) {
9628 return OPJ_FALSE;
9629 }
9630 if (l_tccp0->cblkh != l_tccp1->cblkh) {
9631 return OPJ_FALSE;
9632 }
9633 if (l_tccp0->cblksty != l_tccp1->cblksty) {
9634 return OPJ_FALSE;
9635 }
9636 if (l_tccp0->qmfbid != l_tccp1->qmfbid) {
9637 return OPJ_FALSE;
9638 }
9639 if ((l_tccp0->csty & J2K_CCP_CSTY_PRT) != (l_tccp1->csty & J2K_CCP_CSTY_PRT)) {
9640 return OPJ_FALSE;
9641 }
9642
9643 for (i = 0U; i < l_tccp0->numresolutions; ++i) {
9644 if (l_tccp0->prcw[i] != l_tccp1->prcw[i]) {
9645 return OPJ_FALSE;
9646 }
9647 if (l_tccp0->prch[i] != l_tccp1->prch[i]) {
9648 return OPJ_FALSE;
9649 }
9650 }
9651 return OPJ_TRUE;
9652 }
9653
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)9654 static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
9655 OPJ_UINT32 p_tile_no,
9656 OPJ_UINT32 p_comp_no,
9657 OPJ_BYTE * p_data,
9658 OPJ_UINT32 * p_header_size,
9659 struct opj_event_mgr * p_manager)
9660 {
9661 OPJ_UINT32 i;
9662 opj_cp_t *l_cp = 00;
9663 opj_tcp_t *l_tcp = 00;
9664 opj_tccp_t *l_tccp = 00;
9665
9666 /* preconditions */
9667 assert(p_j2k != 00);
9668 assert(p_header_size != 00);
9669 assert(p_manager != 00);
9670 assert(p_data != 00);
9671
9672 l_cp = &(p_j2k->m_cp);
9673 l_tcp = &l_cp->tcps[p_tile_no];
9674 l_tccp = &l_tcp->tccps[p_comp_no];
9675
9676 /* preconditions again */
9677 assert(p_tile_no < (l_cp->tw * l_cp->th));
9678 assert(p_comp_no < (p_j2k->m_private_image->numcomps));
9679
9680 if (*p_header_size < 5) {
9681 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
9682 return OPJ_FALSE;
9683 }
9684
9685 opj_write_bytes(p_data, l_tccp->numresolutions - 1, 1); /* SPcoc (D) */
9686 ++p_data;
9687
9688 opj_write_bytes(p_data, l_tccp->cblkw - 2, 1); /* SPcoc (E) */
9689 ++p_data;
9690
9691 opj_write_bytes(p_data, l_tccp->cblkh - 2, 1); /* SPcoc (F) */
9692 ++p_data;
9693
9694 opj_write_bytes(p_data, l_tccp->cblksty,
9695 1); /* SPcoc (G) */
9696 ++p_data;
9697
9698 opj_write_bytes(p_data, l_tccp->qmfbid,
9699 1); /* SPcoc (H) */
9700 ++p_data;
9701
9702 *p_header_size = *p_header_size - 5;
9703
9704 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
9705
9706 if (*p_header_size < l_tccp->numresolutions) {
9707 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
9708 return OPJ_FALSE;
9709 }
9710
9711 for (i = 0; i < l_tccp->numresolutions; ++i) {
9712 opj_write_bytes(p_data, l_tccp->prcw[i] + (l_tccp->prch[i] << 4),
9713 1); /* SPcoc (I_i) */
9714 ++p_data;
9715 }
9716
9717 *p_header_size = *p_header_size - l_tccp->numresolutions;
9718 }
9719
9720 return OPJ_TRUE;
9721 }
9722
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)9723 static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
9724 OPJ_UINT32 compno,
9725 OPJ_BYTE * p_header_data,
9726 OPJ_UINT32 * p_header_size,
9727 opj_event_mgr_t * p_manager)
9728 {
9729 OPJ_UINT32 i, l_tmp;
9730 opj_cp_t *l_cp = NULL;
9731 opj_tcp_t *l_tcp = NULL;
9732 opj_tccp_t *l_tccp = NULL;
9733 OPJ_BYTE * l_current_ptr = NULL;
9734
9735 /* preconditions */
9736 assert(p_j2k != 00);
9737 assert(p_manager != 00);
9738 assert(p_header_data != 00);
9739
9740 l_cp = &(p_j2k->m_cp);
9741 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
9742 &l_cp->tcps[p_j2k->m_current_tile_number] :
9743 p_j2k->m_specific_param.m_decoder.m_default_tcp;
9744
9745 /* precondition again */
9746 if (compno >= p_j2k->m_private_image->numcomps) {
9747 return OPJ_FALSE;
9748 }
9749
9750 assert(compno < p_j2k->m_private_image->numcomps);
9751
9752 l_tccp = &l_tcp->tccps[compno];
9753 l_current_ptr = p_header_data;
9754
9755 /* make sure room is sufficient */
9756 if (*p_header_size < 5) {
9757 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
9758 return OPJ_FALSE;
9759 }
9760
9761 opj_read_bytes(l_current_ptr, &l_tccp->numresolutions,
9762 1); /* SPcox (D) */
9763 ++l_tccp->numresolutions; /* tccp->numresolutions = read() + 1 */
9764 if (l_tccp->numresolutions > OPJ_J2K_MAXRLVLS) {
9765 opj_event_msg(p_manager, EVT_ERROR,
9766 "Invalid value for numresolutions : %d, max value is set in openjpeg.h at %d\n",
9767 l_tccp->numresolutions, OPJ_J2K_MAXRLVLS);
9768 return OPJ_FALSE;
9769 }
9770 ++l_current_ptr;
9771
9772 /* If user wants to remove more resolutions than the codestream contains, return error */
9773 if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) {
9774 opj_event_msg(p_manager, EVT_ERROR,
9775 "Error decoding component %d.\nThe number of resolutions "
9776 "to remove (%d) is greater or equal than the number "
9777 "of resolutions of this component (%d)\nModify the cp_reduce parameter.\n\n",
9778 compno, l_cp->m_specific_param.m_dec.m_reduce, l_tccp->numresolutions);
9779 p_j2k->m_specific_param.m_decoder.m_state |=
9780 0x8000;/* FIXME J2K_DEC_STATE_ERR;*/
9781 return OPJ_FALSE;
9782 }
9783
9784 opj_read_bytes(l_current_ptr, &l_tccp->cblkw, 1); /* SPcoc (E) */
9785 ++l_current_ptr;
9786 l_tccp->cblkw += 2;
9787
9788 opj_read_bytes(l_current_ptr, &l_tccp->cblkh, 1); /* SPcoc (F) */
9789 ++l_current_ptr;
9790 l_tccp->cblkh += 2;
9791
9792 if ((l_tccp->cblkw > 10) || (l_tccp->cblkh > 10) ||
9793 ((l_tccp->cblkw + l_tccp->cblkh) > 12)) {
9794 opj_event_msg(p_manager, EVT_ERROR,
9795 "Error reading SPCod SPCoc element, Invalid cblkw/cblkh combination\n");
9796 return OPJ_FALSE;
9797 }
9798
9799
9800 opj_read_bytes(l_current_ptr, &l_tccp->cblksty, 1); /* SPcoc (G) */
9801 ++l_current_ptr;
9802 if (l_tccp->cblksty & 0xC0U) { /* 2 msb are reserved, assume we can't read */
9803 opj_event_msg(p_manager, EVT_ERROR,
9804 "Error reading SPCod SPCoc element, Invalid code-block style found\n");
9805 return OPJ_FALSE;
9806 }
9807
9808 opj_read_bytes(l_current_ptr, &l_tccp->qmfbid, 1); /* SPcoc (H) */
9809 ++l_current_ptr;
9810
9811 *p_header_size = *p_header_size - 5;
9812
9813 /* use custom precinct size ? */
9814 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
9815 if (*p_header_size < l_tccp->numresolutions) {
9816 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
9817 return OPJ_FALSE;
9818 }
9819
9820 for (i = 0; i < l_tccp->numresolutions; ++i) {
9821 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* SPcoc (I_i) */
9822 ++l_current_ptr;
9823 /* Precinct exponent 0 is only allowed for lowest resolution level (Table A.21) */
9824 if ((i != 0) && (((l_tmp & 0xf) == 0) || ((l_tmp >> 4) == 0))) {
9825 opj_event_msg(p_manager, EVT_ERROR, "Invalid precinct size\n");
9826 return OPJ_FALSE;
9827 }
9828 l_tccp->prcw[i] = l_tmp & 0xf;
9829 l_tccp->prch[i] = l_tmp >> 4;
9830 }
9831
9832 *p_header_size = *p_header_size - l_tccp->numresolutions;
9833 } else {
9834 /* set default size for the precinct width and height */
9835 for (i = 0; i < l_tccp->numresolutions; ++i) {
9836 l_tccp->prcw[i] = 15;
9837 l_tccp->prch[i] = 15;
9838 }
9839 }
9840
9841 #ifdef WIP_REMOVE_MSD
9842 /* INDEX >> */
9843 if (p_j2k->cstr_info && compno == 0) {
9844 OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32);
9845
9846 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkh =
9847 l_tccp->cblkh;
9848 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkw =
9849 l_tccp->cblkw;
9850 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].numresolutions
9851 = l_tccp->numresolutions;
9852 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblksty =
9853 l_tccp->cblksty;
9854 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].qmfbid =
9855 l_tccp->qmfbid;
9856
9857 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx, l_tccp->prcw,
9858 l_data_size);
9859 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy, l_tccp->prch,
9860 l_data_size);
9861 }
9862 /* << INDEX */
9863 #endif
9864
9865 return OPJ_TRUE;
9866 }
9867
opj_j2k_copy_tile_component_parameters(opj_j2k_t * p_j2k)9868 static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k)
9869 {
9870 /* loop */
9871 OPJ_UINT32 i;
9872 opj_cp_t *l_cp = NULL;
9873 opj_tcp_t *l_tcp = NULL;
9874 opj_tccp_t *l_ref_tccp = NULL, *l_copied_tccp = NULL;
9875 OPJ_UINT32 l_prc_size;
9876
9877 /* preconditions */
9878 assert(p_j2k != 00);
9879
9880 l_cp = &(p_j2k->m_cp);
9881 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
9882 ?
9883 &l_cp->tcps[p_j2k->m_current_tile_number] :
9884 p_j2k->m_specific_param.m_decoder.m_default_tcp;
9885
9886 l_ref_tccp = &l_tcp->tccps[0];
9887 l_copied_tccp = l_ref_tccp + 1;
9888 l_prc_size = l_ref_tccp->numresolutions * (OPJ_UINT32)sizeof(OPJ_UINT32);
9889
9890 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
9891 l_copied_tccp->numresolutions = l_ref_tccp->numresolutions;
9892 l_copied_tccp->cblkw = l_ref_tccp->cblkw;
9893 l_copied_tccp->cblkh = l_ref_tccp->cblkh;
9894 l_copied_tccp->cblksty = l_ref_tccp->cblksty;
9895 l_copied_tccp->qmfbid = l_ref_tccp->qmfbid;
9896 memcpy(l_copied_tccp->prcw, l_ref_tccp->prcw, l_prc_size);
9897 memcpy(l_copied_tccp->prch, l_ref_tccp->prch, l_prc_size);
9898 ++l_copied_tccp;
9899 }
9900 }
9901
opj_j2k_get_SQcd_SQcc_size(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no)9902 static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
9903 OPJ_UINT32 p_tile_no,
9904 OPJ_UINT32 p_comp_no)
9905 {
9906 OPJ_UINT32 l_num_bands;
9907
9908 opj_cp_t *l_cp = 00;
9909 opj_tcp_t *l_tcp = 00;
9910 opj_tccp_t *l_tccp = 00;
9911
9912 /* preconditions */
9913 assert(p_j2k != 00);
9914
9915 l_cp = &(p_j2k->m_cp);
9916 l_tcp = &l_cp->tcps[p_tile_no];
9917 l_tccp = &l_tcp->tccps[p_comp_no];
9918
9919 /* preconditions again */
9920 assert(p_tile_no < l_cp->tw * l_cp->th);
9921 assert(p_comp_no < p_j2k->m_private_image->numcomps);
9922
9923 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
9924 (l_tccp->numresolutions * 3 - 2);
9925
9926 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
9927 return 1 + l_num_bands;
9928 } else {
9929 return 1 + 2 * l_num_bands;
9930 }
9931 }
9932
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)9933 static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
9934 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
9935 {
9936 opj_cp_t *l_cp = NULL;
9937 opj_tcp_t *l_tcp = NULL;
9938 opj_tccp_t *l_tccp0 = NULL;
9939 opj_tccp_t *l_tccp1 = NULL;
9940 OPJ_UINT32 l_band_no, l_num_bands;
9941
9942 /* preconditions */
9943 assert(p_j2k != 00);
9944
9945 l_cp = &(p_j2k->m_cp);
9946 l_tcp = &l_cp->tcps[p_tile_no];
9947 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
9948 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
9949
9950 if (l_tccp0->qntsty != l_tccp1->qntsty) {
9951 return OPJ_FALSE;
9952 }
9953 if (l_tccp0->numgbits != l_tccp1->numgbits) {
9954 return OPJ_FALSE;
9955 }
9956 if (l_tccp0->qntsty == J2K_CCP_QNTSTY_SIQNT) {
9957 l_num_bands = 1U;
9958 } else {
9959 l_num_bands = l_tccp0->numresolutions * 3U - 2U;
9960 if (l_num_bands != (l_tccp1->numresolutions * 3U - 2U)) {
9961 return OPJ_FALSE;
9962 }
9963 }
9964
9965 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
9966 if (l_tccp0->stepsizes[l_band_no].expn != l_tccp1->stepsizes[l_band_no].expn) {
9967 return OPJ_FALSE;
9968 }
9969 }
9970 if (l_tccp0->qntsty != J2K_CCP_QNTSTY_NOQNT) {
9971 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
9972 if (l_tccp0->stepsizes[l_band_no].mant != l_tccp1->stepsizes[l_band_no].mant) {
9973 return OPJ_FALSE;
9974 }
9975 }
9976 }
9977 return OPJ_TRUE;
9978 }
9979
9980
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)9981 static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
9982 OPJ_UINT32 p_tile_no,
9983 OPJ_UINT32 p_comp_no,
9984 OPJ_BYTE * p_data,
9985 OPJ_UINT32 * p_header_size,
9986 struct opj_event_mgr * p_manager)
9987 {
9988 OPJ_UINT32 l_header_size;
9989 OPJ_UINT32 l_band_no, l_num_bands;
9990 OPJ_UINT32 l_expn, l_mant;
9991
9992 opj_cp_t *l_cp = 00;
9993 opj_tcp_t *l_tcp = 00;
9994 opj_tccp_t *l_tccp = 00;
9995
9996 /* preconditions */
9997 assert(p_j2k != 00);
9998 assert(p_header_size != 00);
9999 assert(p_manager != 00);
10000 assert(p_data != 00);
10001
10002 l_cp = &(p_j2k->m_cp);
10003 l_tcp = &l_cp->tcps[p_tile_no];
10004 l_tccp = &l_tcp->tccps[p_comp_no];
10005
10006 /* preconditions again */
10007 assert(p_tile_no < l_cp->tw * l_cp->th);
10008 assert(p_comp_no < p_j2k->m_private_image->numcomps);
10009
10010 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10011 (l_tccp->numresolutions * 3 - 2);
10012
10013 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
10014 l_header_size = 1 + l_num_bands;
10015
10016 if (*p_header_size < l_header_size) {
10017 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
10018 return OPJ_FALSE;
10019 }
10020
10021 opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
10022 1); /* Sqcx */
10023 ++p_data;
10024
10025 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10026 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
10027 opj_write_bytes(p_data, l_expn << 3, 1); /* SPqcx_i */
10028 ++p_data;
10029 }
10030 } else {
10031 l_header_size = 1 + 2 * l_num_bands;
10032
10033 if (*p_header_size < l_header_size) {
10034 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
10035 return OPJ_FALSE;
10036 }
10037
10038 opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
10039 1); /* Sqcx */
10040 ++p_data;
10041
10042 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10043 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
10044 l_mant = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].mant;
10045
10046 opj_write_bytes(p_data, (l_expn << 11) + l_mant, 2); /* SPqcx_i */
10047 p_data += 2;
10048 }
10049 }
10050
10051 *p_header_size = *p_header_size - l_header_size;
10052
10053 return OPJ_TRUE;
10054 }
10055
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)10056 static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
10057 OPJ_UINT32 p_comp_no,
10058 OPJ_BYTE* p_header_data,
10059 OPJ_UINT32 * p_header_size,
10060 opj_event_mgr_t * p_manager
10061 )
10062 {
10063 /* loop*/
10064 OPJ_UINT32 l_band_no;
10065 opj_cp_t *l_cp = 00;
10066 opj_tcp_t *l_tcp = 00;
10067 opj_tccp_t *l_tccp = 00;
10068 OPJ_BYTE * l_current_ptr = 00;
10069 OPJ_UINT32 l_tmp, l_num_band;
10070
10071 /* preconditions*/
10072 assert(p_j2k != 00);
10073 assert(p_manager != 00);
10074 assert(p_header_data != 00);
10075
10076 l_cp = &(p_j2k->m_cp);
10077 /* come from tile part header or main header ?*/
10078 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
10079 ?
10080 &l_cp->tcps[p_j2k->m_current_tile_number] :
10081 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10082
10083 /* precondition again*/
10084 if (p_comp_no >= p_j2k->m_private_image->numcomps) {
10085 return OPJ_FALSE;
10086 }
10087
10088 l_tccp = &l_tcp->tccps[p_comp_no];
10089 l_current_ptr = p_header_data;
10090
10091 if (*p_header_size < 1) {
10092 opj_event_msg(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n");
10093 return OPJ_FALSE;
10094 }
10095 *p_header_size -= 1;
10096
10097 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* Sqcx */
10098 ++l_current_ptr;
10099
10100 l_tccp->qntsty = l_tmp & 0x1f;
10101 l_tccp->numgbits = l_tmp >> 5;
10102 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
10103 l_num_band = 1;
10104 } else {
10105 l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ?
10106 (*p_header_size) :
10107 (*p_header_size) / 2;
10108
10109 if (l_num_band > OPJ_J2K_MAXBANDS) {
10110 opj_event_msg(p_manager, EVT_WARNING,
10111 "While reading CCP_QNTSTY element inside QCD or QCC marker segment, "
10112 "number of subbands (%d) is greater to OPJ_J2K_MAXBANDS (%d). So we limit the number of elements stored to "
10113 "OPJ_J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, OPJ_J2K_MAXBANDS,
10114 OPJ_J2K_MAXBANDS);
10115 /*return OPJ_FALSE;*/
10116 }
10117 }
10118
10119 #ifdef USE_JPWL
10120 if (l_cp->correct) {
10121
10122 /* if JPWL is on, we check whether there are too many subbands */
10123 if (/*(l_num_band < 0) ||*/ (l_num_band >= OPJ_J2K_MAXBANDS)) {
10124 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
10125 "JPWL: bad number of subbands in Sqcx (%d)\n",
10126 l_num_band);
10127 if (!JPWL_ASSUME) {
10128 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
10129 return OPJ_FALSE;
10130 }
10131 /* we try to correct */
10132 l_num_band = 1;
10133 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n"
10134 "- setting number of bands to %d => HYPOTHESIS!!!\n",
10135 l_num_band);
10136 };
10137
10138 };
10139 #endif /* USE_JPWL */
10140
10141 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
10142 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
10143 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* SPqcx_i */
10144 ++l_current_ptr;
10145 if (l_band_no < OPJ_J2K_MAXBANDS) {
10146 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 3);
10147 l_tccp->stepsizes[l_band_no].mant = 0;
10148 }
10149 }
10150 *p_header_size = *p_header_size - l_num_band;
10151 } else {
10152 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
10153 opj_read_bytes(l_current_ptr, &l_tmp, 2); /* SPqcx_i */
10154 l_current_ptr += 2;
10155 if (l_band_no < OPJ_J2K_MAXBANDS) {
10156 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 11);
10157 l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff;
10158 }
10159 }
10160 *p_header_size = *p_header_size - 2 * l_num_band;
10161 }
10162
10163 /* Add Antonin : if scalar_derived -> compute other stepsizes */
10164 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
10165 for (l_band_no = 1; l_band_no < OPJ_J2K_MAXBANDS; l_band_no++) {
10166 l_tccp->stepsizes[l_band_no].expn =
10167 ((OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) > 0)
10168 ?
10169 (OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) : 0;
10170 l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
10171 }
10172 }
10173
10174 return OPJ_TRUE;
10175 }
10176
opj_j2k_copy_tile_quantization_parameters(opj_j2k_t * p_j2k)10177 static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k)
10178 {
10179 OPJ_UINT32 i;
10180 opj_cp_t *l_cp = NULL;
10181 opj_tcp_t *l_tcp = NULL;
10182 opj_tccp_t *l_ref_tccp = NULL;
10183 opj_tccp_t *l_copied_tccp = NULL;
10184 OPJ_UINT32 l_size;
10185
10186 /* preconditions */
10187 assert(p_j2k != 00);
10188
10189 l_cp = &(p_j2k->m_cp);
10190 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
10191 &l_cp->tcps[p_j2k->m_current_tile_number] :
10192 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10193
10194 l_ref_tccp = &l_tcp->tccps[0];
10195 l_copied_tccp = l_ref_tccp + 1;
10196 l_size = OPJ_J2K_MAXBANDS * sizeof(opj_stepsize_t);
10197
10198 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
10199 l_copied_tccp->qntsty = l_ref_tccp->qntsty;
10200 l_copied_tccp->numgbits = l_ref_tccp->numgbits;
10201 memcpy(l_copied_tccp->stepsizes, l_ref_tccp->stepsizes, l_size);
10202 ++l_copied_tccp;
10203 }
10204 }
10205
opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,OPJ_INT32 numcomps,FILE * out_stream)10206 static void opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,
10207 OPJ_INT32 numcomps, FILE* out_stream)
10208 {
10209 if (l_default_tile) {
10210 OPJ_INT32 compno;
10211
10212 fprintf(out_stream, "\t default tile {\n");
10213 fprintf(out_stream, "\t\t csty=%#x\n", l_default_tile->csty);
10214 fprintf(out_stream, "\t\t prg=%#x\n", l_default_tile->prg);
10215 fprintf(out_stream, "\t\t numlayers=%d\n", l_default_tile->numlayers);
10216 fprintf(out_stream, "\t\t mct=%x\n", l_default_tile->mct);
10217
10218 for (compno = 0; compno < numcomps; compno++) {
10219 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
10220 OPJ_UINT32 resno;
10221 OPJ_INT32 bandno, numbands;
10222
10223 /* coding style*/
10224 fprintf(out_stream, "\t\t comp %d {\n", compno);
10225 fprintf(out_stream, "\t\t\t csty=%#x\n", l_tccp->csty);
10226 fprintf(out_stream, "\t\t\t numresolutions=%d\n", l_tccp->numresolutions);
10227 fprintf(out_stream, "\t\t\t cblkw=2^%d\n", l_tccp->cblkw);
10228 fprintf(out_stream, "\t\t\t cblkh=2^%d\n", l_tccp->cblkh);
10229 fprintf(out_stream, "\t\t\t cblksty=%#x\n", l_tccp->cblksty);
10230 fprintf(out_stream, "\t\t\t qmfbid=%d\n", l_tccp->qmfbid);
10231
10232 fprintf(out_stream, "\t\t\t preccintsize (w,h)=");
10233 for (resno = 0; resno < l_tccp->numresolutions; resno++) {
10234 fprintf(out_stream, "(%d,%d) ", l_tccp->prcw[resno], l_tccp->prch[resno]);
10235 }
10236 fprintf(out_stream, "\n");
10237
10238 /* quantization style*/
10239 fprintf(out_stream, "\t\t\t qntsty=%d\n", l_tccp->qntsty);
10240 fprintf(out_stream, "\t\t\t numgbits=%d\n", l_tccp->numgbits);
10241 fprintf(out_stream, "\t\t\t stepsizes (m,e)=");
10242 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10243 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
10244 for (bandno = 0; bandno < numbands; bandno++) {
10245 fprintf(out_stream, "(%d,%d) ", l_tccp->stepsizes[bandno].mant,
10246 l_tccp->stepsizes[bandno].expn);
10247 }
10248 fprintf(out_stream, "\n");
10249
10250 /* RGN value*/
10251 fprintf(out_stream, "\t\t\t roishift=%d\n", l_tccp->roishift);
10252
10253 fprintf(out_stream, "\t\t }\n");
10254 } /*end of component of default tile*/
10255 fprintf(out_stream, "\t }\n"); /*end of default tile*/
10256 }
10257 }
10258
j2k_dump(opj_j2k_t * p_j2k,OPJ_INT32 flag,FILE * out_stream)10259 void j2k_dump(opj_j2k_t* p_j2k, OPJ_INT32 flag, FILE* out_stream)
10260 {
10261 /* Check if the flag is compatible with j2k file*/
10262 if ((flag & OPJ_JP2_INFO) || (flag & OPJ_JP2_IND)) {
10263 fprintf(out_stream, "Wrong flag\n");
10264 return;
10265 }
10266
10267 /* Dump the image_header */
10268 if (flag & OPJ_IMG_INFO) {
10269 if (p_j2k->m_private_image) {
10270 j2k_dump_image_header(p_j2k->m_private_image, 0, out_stream);
10271 }
10272 }
10273
10274 /* Dump the codestream info from main header */
10275 if (flag & OPJ_J2K_MH_INFO) {
10276 if (p_j2k->m_private_image) {
10277 opj_j2k_dump_MH_info(p_j2k, out_stream);
10278 }
10279 }
10280 /* Dump all tile/codestream info */
10281 if (flag & OPJ_J2K_TCH_INFO) {
10282 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
10283 OPJ_UINT32 i;
10284 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
10285 if (p_j2k->m_private_image) {
10286 for (i = 0; i < l_nb_tiles; ++i) {
10287 opj_j2k_dump_tile_info(l_tcp, (OPJ_INT32)p_j2k->m_private_image->numcomps,
10288 out_stream);
10289 ++l_tcp;
10290 }
10291 }
10292 }
10293
10294 /* Dump the codestream info of the current tile */
10295 if (flag & OPJ_J2K_TH_INFO) {
10296
10297 }
10298
10299 /* Dump the codestream index from main header */
10300 if (flag & OPJ_J2K_MH_IND) {
10301 opj_j2k_dump_MH_index(p_j2k, out_stream);
10302 }
10303
10304 /* Dump the codestream index of the current tile */
10305 if (flag & OPJ_J2K_TH_IND) {
10306
10307 }
10308
10309 }
10310
opj_j2k_dump_MH_index(opj_j2k_t * p_j2k,FILE * out_stream)10311 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream)
10312 {
10313 opj_codestream_index_t* cstr_index = p_j2k->cstr_index;
10314 OPJ_UINT32 it_marker, it_tile, it_tile_part;
10315
10316 fprintf(out_stream, "Codestream index from main header: {\n");
10317
10318 fprintf(out_stream, "\t Main header start position=%" PRIi64 "\n"
10319 "\t Main header end position=%" PRIi64 "\n",
10320 cstr_index->main_head_start, cstr_index->main_head_end);
10321
10322 fprintf(out_stream, "\t Marker list: {\n");
10323
10324 if (cstr_index->marker) {
10325 for (it_marker = 0; it_marker < cstr_index->marknum ; it_marker++) {
10326 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
10327 cstr_index->marker[it_marker].type,
10328 cstr_index->marker[it_marker].pos,
10329 cstr_index->marker[it_marker].len);
10330 }
10331 }
10332
10333 fprintf(out_stream, "\t }\n");
10334
10335 if (cstr_index->tile_index) {
10336
10337 /* Simple test to avoid to write empty information*/
10338 OPJ_UINT32 l_acc_nb_of_tile_part = 0;
10339 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
10340 l_acc_nb_of_tile_part += cstr_index->tile_index[it_tile].nb_tps;
10341 }
10342
10343 if (l_acc_nb_of_tile_part) {
10344 fprintf(out_stream, "\t Tile index: {\n");
10345
10346 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
10347 OPJ_UINT32 nb_of_tile_part = cstr_index->tile_index[it_tile].nb_tps;
10348
10349 fprintf(out_stream, "\t\t nb of tile-part in tile [%d]=%d\n", it_tile,
10350 nb_of_tile_part);
10351
10352 if (cstr_index->tile_index[it_tile].tp_index) {
10353 for (it_tile_part = 0; it_tile_part < nb_of_tile_part; it_tile_part++) {
10354 fprintf(out_stream, "\t\t\t tile-part[%d]: star_pos=%" PRIi64 ", end_header=%"
10355 PRIi64 ", end_pos=%" PRIi64 ".\n",
10356 it_tile_part,
10357 cstr_index->tile_index[it_tile].tp_index[it_tile_part].start_pos,
10358 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_header,
10359 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_pos);
10360 }
10361 }
10362
10363 if (cstr_index->tile_index[it_tile].marker) {
10364 for (it_marker = 0; it_marker < cstr_index->tile_index[it_tile].marknum ;
10365 it_marker++) {
10366 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
10367 cstr_index->tile_index[it_tile].marker[it_marker].type,
10368 cstr_index->tile_index[it_tile].marker[it_marker].pos,
10369 cstr_index->tile_index[it_tile].marker[it_marker].len);
10370 }
10371 }
10372 }
10373 fprintf(out_stream, "\t }\n");
10374 }
10375 }
10376
10377 fprintf(out_stream, "}\n");
10378
10379 }
10380
10381
opj_j2k_dump_MH_info(opj_j2k_t * p_j2k,FILE * out_stream)10382 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream)
10383 {
10384
10385 fprintf(out_stream, "Codestream info from main header: {\n");
10386
10387 fprintf(out_stream, "\t tx0=%d, ty0=%d\n", p_j2k->m_cp.tx0, p_j2k->m_cp.ty0);
10388 fprintf(out_stream, "\t tdx=%d, tdy=%d\n", p_j2k->m_cp.tdx, p_j2k->m_cp.tdy);
10389 fprintf(out_stream, "\t tw=%d, th=%d\n", p_j2k->m_cp.tw, p_j2k->m_cp.th);
10390 opj_j2k_dump_tile_info(p_j2k->m_specific_param.m_decoder.m_default_tcp,
10391 (OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream);
10392 fprintf(out_stream, "}\n");
10393 }
10394
j2k_dump_image_header(opj_image_t * img_header,OPJ_BOOL dev_dump_flag,FILE * out_stream)10395 void j2k_dump_image_header(opj_image_t* img_header, OPJ_BOOL dev_dump_flag,
10396 FILE* out_stream)
10397 {
10398 char tab[2];
10399
10400 if (dev_dump_flag) {
10401 fprintf(stdout, "[DEV] Dump an image_header struct {\n");
10402 tab[0] = '\0';
10403 } else {
10404 fprintf(out_stream, "Image info {\n");
10405 tab[0] = '\t';
10406 tab[1] = '\0';
10407 }
10408
10409 fprintf(out_stream, "%s x0=%d, y0=%d\n", tab, img_header->x0, img_header->y0);
10410 fprintf(out_stream, "%s x1=%d, y1=%d\n", tab, img_header->x1,
10411 img_header->y1);
10412 fprintf(out_stream, "%s numcomps=%d\n", tab, img_header->numcomps);
10413
10414 if (img_header->comps) {
10415 OPJ_UINT32 compno;
10416 for (compno = 0; compno < img_header->numcomps; compno++) {
10417 fprintf(out_stream, "%s\t component %d {\n", tab, compno);
10418 j2k_dump_image_comp_header(&(img_header->comps[compno]), dev_dump_flag,
10419 out_stream);
10420 fprintf(out_stream, "%s}\n", tab);
10421 }
10422 }
10423
10424 fprintf(out_stream, "}\n");
10425 }
10426
j2k_dump_image_comp_header(opj_image_comp_t * comp_header,OPJ_BOOL dev_dump_flag,FILE * out_stream)10427 void j2k_dump_image_comp_header(opj_image_comp_t* comp_header,
10428 OPJ_BOOL dev_dump_flag, FILE* out_stream)
10429 {
10430 char tab[3];
10431
10432 if (dev_dump_flag) {
10433 fprintf(stdout, "[DEV] Dump an image_comp_header struct {\n");
10434 tab[0] = '\0';
10435 } else {
10436 tab[0] = '\t';
10437 tab[1] = '\t';
10438 tab[2] = '\0';
10439 }
10440
10441 fprintf(out_stream, "%s dx=%d, dy=%d\n", tab, comp_header->dx, comp_header->dy);
10442 fprintf(out_stream, "%s prec=%d\n", tab, comp_header->prec);
10443 fprintf(out_stream, "%s sgnd=%d\n", tab, comp_header->sgnd);
10444
10445 if (dev_dump_flag) {
10446 fprintf(out_stream, "}\n");
10447 }
10448 }
10449
j2k_get_cstr_info(opj_j2k_t * p_j2k)10450 opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_t* p_j2k)
10451 {
10452 OPJ_UINT32 compno;
10453 OPJ_UINT32 numcomps = p_j2k->m_private_image->numcomps;
10454 opj_tcp_t *l_default_tile;
10455 opj_codestream_info_v2_t* cstr_info = (opj_codestream_info_v2_t*) opj_calloc(1,
10456 sizeof(opj_codestream_info_v2_t));
10457 if (!cstr_info) {
10458 return NULL;
10459 }
10460
10461 cstr_info->nbcomps = p_j2k->m_private_image->numcomps;
10462
10463 cstr_info->tx0 = p_j2k->m_cp.tx0;
10464 cstr_info->ty0 = p_j2k->m_cp.ty0;
10465 cstr_info->tdx = p_j2k->m_cp.tdx;
10466 cstr_info->tdy = p_j2k->m_cp.tdy;
10467 cstr_info->tw = p_j2k->m_cp.tw;
10468 cstr_info->th = p_j2k->m_cp.th;
10469
10470 cstr_info->tile_info = NULL; /* Not fill from the main header*/
10471
10472 l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
10473
10474 cstr_info->m_default_tile_info.csty = l_default_tile->csty;
10475 cstr_info->m_default_tile_info.prg = l_default_tile->prg;
10476 cstr_info->m_default_tile_info.numlayers = l_default_tile->numlayers;
10477 cstr_info->m_default_tile_info.mct = l_default_tile->mct;
10478
10479 cstr_info->m_default_tile_info.tccp_info = (opj_tccp_info_t*) opj_calloc(
10480 cstr_info->nbcomps, sizeof(opj_tccp_info_t));
10481 if (!cstr_info->m_default_tile_info.tccp_info) {
10482 opj_destroy_cstr_info(&cstr_info);
10483 return NULL;
10484 }
10485
10486 for (compno = 0; compno < numcomps; compno++) {
10487 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
10488 opj_tccp_info_t *l_tccp_info = &
10489 (cstr_info->m_default_tile_info.tccp_info[compno]);
10490 OPJ_INT32 bandno, numbands;
10491
10492 /* coding style*/
10493 l_tccp_info->csty = l_tccp->csty;
10494 l_tccp_info->numresolutions = l_tccp->numresolutions;
10495 l_tccp_info->cblkw = l_tccp->cblkw;
10496 l_tccp_info->cblkh = l_tccp->cblkh;
10497 l_tccp_info->cblksty = l_tccp->cblksty;
10498 l_tccp_info->qmfbid = l_tccp->qmfbid;
10499 if (l_tccp->numresolutions < OPJ_J2K_MAXRLVLS) {
10500 memcpy(l_tccp_info->prch, l_tccp->prch, l_tccp->numresolutions);
10501 memcpy(l_tccp_info->prcw, l_tccp->prcw, l_tccp->numresolutions);
10502 }
10503
10504 /* quantization style*/
10505 l_tccp_info->qntsty = l_tccp->qntsty;
10506 l_tccp_info->numgbits = l_tccp->numgbits;
10507
10508 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10509 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
10510 if (numbands < OPJ_J2K_MAXBANDS) {
10511 for (bandno = 0; bandno < numbands; bandno++) {
10512 l_tccp_info->stepsizes_mant[bandno] = (OPJ_UINT32)
10513 l_tccp->stepsizes[bandno].mant;
10514 l_tccp_info->stepsizes_expn[bandno] = (OPJ_UINT32)
10515 l_tccp->stepsizes[bandno].expn;
10516 }
10517 }
10518
10519 /* RGN value*/
10520 l_tccp_info->roishift = l_tccp->roishift;
10521 }
10522
10523 return cstr_info;
10524 }
10525
j2k_get_cstr_index(opj_j2k_t * p_j2k)10526 opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_t* p_j2k)
10527 {
10528 opj_codestream_index_t* l_cstr_index = (opj_codestream_index_t*)
10529 opj_calloc(1, sizeof(opj_codestream_index_t));
10530 if (!l_cstr_index) {
10531 return NULL;
10532 }
10533
10534 l_cstr_index->main_head_start = p_j2k->cstr_index->main_head_start;
10535 l_cstr_index->main_head_end = p_j2k->cstr_index->main_head_end;
10536 l_cstr_index->codestream_size = p_j2k->cstr_index->codestream_size;
10537
10538 l_cstr_index->marknum = p_j2k->cstr_index->marknum;
10539 l_cstr_index->marker = (opj_marker_info_t*)opj_malloc(l_cstr_index->marknum *
10540 sizeof(opj_marker_info_t));
10541 if (!l_cstr_index->marker) {
10542 opj_free(l_cstr_index);
10543 return NULL;
10544 }
10545
10546 if (p_j2k->cstr_index->marker) {
10547 memcpy(l_cstr_index->marker, p_j2k->cstr_index->marker,
10548 l_cstr_index->marknum * sizeof(opj_marker_info_t));
10549 } else {
10550 opj_free(l_cstr_index->marker);
10551 l_cstr_index->marker = NULL;
10552 }
10553
10554 l_cstr_index->nb_of_tiles = p_j2k->cstr_index->nb_of_tiles;
10555 l_cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
10556 l_cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
10557 if (!l_cstr_index->tile_index) {
10558 opj_free(l_cstr_index->marker);
10559 opj_free(l_cstr_index);
10560 return NULL;
10561 }
10562
10563 if (!p_j2k->cstr_index->tile_index) {
10564 opj_free(l_cstr_index->tile_index);
10565 l_cstr_index->tile_index = NULL;
10566 } else {
10567 OPJ_UINT32 it_tile = 0;
10568 for (it_tile = 0; it_tile < l_cstr_index->nb_of_tiles; it_tile++) {
10569
10570 /* Tile Marker*/
10571 l_cstr_index->tile_index[it_tile].marknum =
10572 p_j2k->cstr_index->tile_index[it_tile].marknum;
10573
10574 l_cstr_index->tile_index[it_tile].marker =
10575 (opj_marker_info_t*)opj_malloc(l_cstr_index->tile_index[it_tile].marknum *
10576 sizeof(opj_marker_info_t));
10577
10578 if (!l_cstr_index->tile_index[it_tile].marker) {
10579 OPJ_UINT32 it_tile_free;
10580
10581 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
10582 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
10583 }
10584
10585 opj_free(l_cstr_index->tile_index);
10586 opj_free(l_cstr_index->marker);
10587 opj_free(l_cstr_index);
10588 return NULL;
10589 }
10590
10591 if (p_j2k->cstr_index->tile_index[it_tile].marker)
10592 memcpy(l_cstr_index->tile_index[it_tile].marker,
10593 p_j2k->cstr_index->tile_index[it_tile].marker,
10594 l_cstr_index->tile_index[it_tile].marknum * sizeof(opj_marker_info_t));
10595 else {
10596 opj_free(l_cstr_index->tile_index[it_tile].marker);
10597 l_cstr_index->tile_index[it_tile].marker = NULL;
10598 }
10599
10600 /* Tile part index*/
10601 l_cstr_index->tile_index[it_tile].nb_tps =
10602 p_j2k->cstr_index->tile_index[it_tile].nb_tps;
10603
10604 l_cstr_index->tile_index[it_tile].tp_index =
10605 (opj_tp_index_t*)opj_malloc(l_cstr_index->tile_index[it_tile].nb_tps * sizeof(
10606 opj_tp_index_t));
10607
10608 if (!l_cstr_index->tile_index[it_tile].tp_index) {
10609 OPJ_UINT32 it_tile_free;
10610
10611 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
10612 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
10613 opj_free(l_cstr_index->tile_index[it_tile_free].tp_index);
10614 }
10615
10616 opj_free(l_cstr_index->tile_index);
10617 opj_free(l_cstr_index->marker);
10618 opj_free(l_cstr_index);
10619 return NULL;
10620 }
10621
10622 if (p_j2k->cstr_index->tile_index[it_tile].tp_index) {
10623 memcpy(l_cstr_index->tile_index[it_tile].tp_index,
10624 p_j2k->cstr_index->tile_index[it_tile].tp_index,
10625 l_cstr_index->tile_index[it_tile].nb_tps * sizeof(opj_tp_index_t));
10626 } else {
10627 opj_free(l_cstr_index->tile_index[it_tile].tp_index);
10628 l_cstr_index->tile_index[it_tile].tp_index = NULL;
10629 }
10630
10631 /* Packet index (NOT USED)*/
10632 l_cstr_index->tile_index[it_tile].nb_packet = 0;
10633 l_cstr_index->tile_index[it_tile].packet_index = NULL;
10634
10635 }
10636 }
10637
10638 return l_cstr_index;
10639 }
10640
opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t * p_j2k)10641 static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k)
10642 {
10643 OPJ_UINT32 it_tile = 0;
10644
10645 p_j2k->cstr_index->nb_of_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
10646 p_j2k->cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
10647 p_j2k->cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
10648 if (!p_j2k->cstr_index->tile_index) {
10649 return OPJ_FALSE;
10650 }
10651
10652 for (it_tile = 0; it_tile < p_j2k->cstr_index->nb_of_tiles; it_tile++) {
10653 p_j2k->cstr_index->tile_index[it_tile].maxmarknum = 100;
10654 p_j2k->cstr_index->tile_index[it_tile].marknum = 0;
10655 p_j2k->cstr_index->tile_index[it_tile].marker = (opj_marker_info_t*)
10656 opj_calloc(p_j2k->cstr_index->tile_index[it_tile].maxmarknum,
10657 sizeof(opj_marker_info_t));
10658 if (!p_j2k->cstr_index->tile_index[it_tile].marker) {
10659 return OPJ_FALSE;
10660 }
10661 }
10662
10663 return OPJ_TRUE;
10664 }
10665
opj_j2k_decode_tiles(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)10666 static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
10667 opj_stream_private_t *p_stream,
10668 opj_event_mgr_t * p_manager)
10669 {
10670 OPJ_BOOL l_go_on = OPJ_TRUE;
10671 OPJ_UINT32 l_current_tile_no;
10672 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
10673 OPJ_UINT32 l_nb_comps;
10674 OPJ_UINT32 nr_tiles = 0;
10675
10676 /* Particular case for whole single tile decoding */
10677 /* We can avoid allocating intermediate tile buffers */
10678 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10679 p_j2k->m_cp.tx0 == 0 && p_j2k->m_cp.ty0 == 0 &&
10680 p_j2k->m_output_image->x0 == 0 &&
10681 p_j2k->m_output_image->y0 == 0 &&
10682 p_j2k->m_output_image->x1 == p_j2k->m_cp.tdx &&
10683 p_j2k->m_output_image->y1 == p_j2k->m_cp.tdy) {
10684 OPJ_UINT32 i;
10685 if (! opj_j2k_read_tile_header(p_j2k,
10686 &l_current_tile_no,
10687 NULL,
10688 &l_tile_x0, &l_tile_y0,
10689 &l_tile_x1, &l_tile_y1,
10690 &l_nb_comps,
10691 &l_go_on,
10692 p_stream,
10693 p_manager)) {
10694 return OPJ_FALSE;
10695 }
10696
10697 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
10698 p_stream, p_manager)) {
10699 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile 1/1\n");
10700 return OPJ_FALSE;
10701 }
10702
10703 /* Transfer TCD data to output image data */
10704 for (i = 0; i < p_j2k->m_output_image->numcomps; i++) {
10705 opj_image_data_free(p_j2k->m_output_image->comps[i].data);
10706 p_j2k->m_output_image->comps[i].data =
10707 p_j2k->m_tcd->tcd_image->tiles->comps[i].data;
10708 p_j2k->m_output_image->comps[i].resno_decoded =
10709 p_j2k->m_tcd->image->comps[i].resno_decoded;
10710 p_j2k->m_tcd->tcd_image->tiles->comps[i].data = NULL;
10711 }
10712
10713 return OPJ_TRUE;
10714 }
10715
10716 for (;;) {
10717 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10718 p_j2k->m_cp.tcps[0].m_data != NULL) {
10719 l_current_tile_no = 0;
10720 p_j2k->m_current_tile_number = 0;
10721 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
10722 } else {
10723 if (! opj_j2k_read_tile_header(p_j2k,
10724 &l_current_tile_no,
10725 NULL,
10726 &l_tile_x0, &l_tile_y0,
10727 &l_tile_x1, &l_tile_y1,
10728 &l_nb_comps,
10729 &l_go_on,
10730 p_stream,
10731 p_manager)) {
10732 return OPJ_FALSE;
10733 }
10734
10735 if (! l_go_on) {
10736 break;
10737 }
10738 }
10739
10740 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
10741 p_stream, p_manager)) {
10742 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile %d/%d\n",
10743 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
10744 return OPJ_FALSE;
10745 }
10746
10747 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
10748 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
10749
10750 if (! opj_j2k_update_image_data(p_j2k->m_tcd,
10751 p_j2k->m_output_image)) {
10752 return OPJ_FALSE;
10753 }
10754
10755 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10756 !(p_j2k->m_output_image->x0 == p_j2k->m_private_image->x0 &&
10757 p_j2k->m_output_image->y0 == p_j2k->m_private_image->y0 &&
10758 p_j2k->m_output_image->x1 == p_j2k->m_private_image->x1 &&
10759 p_j2k->m_output_image->y1 == p_j2k->m_private_image->y1)) {
10760 /* Keep current tcp data */
10761 } else {
10762 opj_j2k_tcp_data_destroy(&p_j2k->m_cp.tcps[l_current_tile_no]);
10763 }
10764
10765 opj_event_msg(p_manager, EVT_INFO,
10766 "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
10767
10768 if (opj_stream_get_number_byte_left(p_stream) == 0
10769 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
10770 break;
10771 }
10772 if (++nr_tiles == p_j2k->m_cp.th * p_j2k->m_cp.tw) {
10773 break;
10774 }
10775 }
10776
10777 return OPJ_TRUE;
10778 }
10779
10780 /**
10781 * Sets up the procedures to do on decoding data. Developpers wanting to extend the library can add their own reading procedures.
10782 */
opj_j2k_setup_decoding(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)10783 static OPJ_BOOL opj_j2k_setup_decoding(opj_j2k_t *p_j2k,
10784 opj_event_mgr_t * p_manager)
10785 {
10786 /* preconditions*/
10787 assert(p_j2k != 00);
10788 assert(p_manager != 00);
10789
10790 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
10791 (opj_procedure)opj_j2k_decode_tiles, p_manager)) {
10792 return OPJ_FALSE;
10793 }
10794 /* DEVELOPER CORNER, add your custom procedures */
10795
10796 return OPJ_TRUE;
10797 }
10798
10799 /*
10800 * Read and decode one tile.
10801 */
opj_j2k_decode_one_tile(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)10802 static OPJ_BOOL opj_j2k_decode_one_tile(opj_j2k_t *p_j2k,
10803 opj_stream_private_t *p_stream,
10804 opj_event_mgr_t * p_manager)
10805 {
10806 OPJ_BOOL l_go_on = OPJ_TRUE;
10807 OPJ_UINT32 l_current_tile_no;
10808 OPJ_UINT32 l_tile_no_to_dec;
10809 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
10810 OPJ_UINT32 l_nb_comps;
10811 OPJ_UINT32 l_nb_tiles;
10812 OPJ_UINT32 i;
10813
10814 /*Allocate and initialize some elements of codestrem index if not already done*/
10815 if (!p_j2k->cstr_index->tile_index) {
10816 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
10817 return OPJ_FALSE;
10818 }
10819 }
10820 /* Move into the codestream to the first SOT used to decode the desired tile */
10821 l_tile_no_to_dec = (OPJ_UINT32)
10822 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec;
10823 if (p_j2k->cstr_index->tile_index)
10824 if (p_j2k->cstr_index->tile_index->tp_index) {
10825 if (! p_j2k->cstr_index->tile_index[l_tile_no_to_dec].nb_tps) {
10826 /* the index for this tile has not been built,
10827 * so move to the last SOT read */
10828 if (!(opj_stream_read_seek(p_stream,
10829 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos + 2, p_manager))) {
10830 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
10831 return OPJ_FALSE;
10832 }
10833 } else {
10834 if (!(opj_stream_read_seek(p_stream,
10835 p_j2k->cstr_index->tile_index[l_tile_no_to_dec].tp_index[0].start_pos + 2,
10836 p_manager))) {
10837 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
10838 return OPJ_FALSE;
10839 }
10840 }
10841 /* Special case if we have previously read the EOC marker (if the previous tile getted is the last ) */
10842 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
10843 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
10844 }
10845 }
10846
10847 /* Reset current tile part number for all tiles, and not only the one */
10848 /* of interest. */
10849 /* Not completely sure this is always correct but required for */
10850 /* ./build/bin/j2k_random_tile_access ./build/tests/tte1.j2k */
10851 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
10852 for (i = 0; i < l_nb_tiles; ++i) {
10853 p_j2k->m_cp.tcps[i].m_current_tile_part_number = -1;
10854 }
10855
10856 for (;;) {
10857 if (! opj_j2k_read_tile_header(p_j2k,
10858 &l_current_tile_no,
10859 NULL,
10860 &l_tile_x0, &l_tile_y0,
10861 &l_tile_x1, &l_tile_y1,
10862 &l_nb_comps,
10863 &l_go_on,
10864 p_stream,
10865 p_manager)) {
10866 return OPJ_FALSE;
10867 }
10868
10869 if (! l_go_on) {
10870 break;
10871 }
10872
10873 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
10874 p_stream, p_manager)) {
10875 return OPJ_FALSE;
10876 }
10877 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
10878 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
10879
10880 if (! opj_j2k_update_image_data(p_j2k->m_tcd,
10881 p_j2k->m_output_image)) {
10882 return OPJ_FALSE;
10883 }
10884 opj_j2k_tcp_data_destroy(&p_j2k->m_cp.tcps[l_current_tile_no]);
10885
10886 opj_event_msg(p_manager, EVT_INFO,
10887 "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
10888
10889 if (l_current_tile_no == l_tile_no_to_dec) {
10890 /* move into the codestream to the first SOT (FIXME or not move?)*/
10891 if (!(opj_stream_read_seek(p_stream, p_j2k->cstr_index->main_head_end + 2,
10892 p_manager))) {
10893 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
10894 return OPJ_FALSE;
10895 }
10896 break;
10897 } else {
10898 opj_event_msg(p_manager, EVT_WARNING,
10899 "Tile read, decoded and updated is not the desired one (%d vs %d).\n",
10900 l_current_tile_no + 1, l_tile_no_to_dec + 1);
10901 }
10902
10903 }
10904
10905 return OPJ_TRUE;
10906 }
10907
10908 /**
10909 * Sets up the procedures to do on decoding one tile. Developpers wanting to extend the library can add their own reading procedures.
10910 */
opj_j2k_setup_decoding_tile(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)10911 static OPJ_BOOL opj_j2k_setup_decoding_tile(opj_j2k_t *p_j2k,
10912 opj_event_mgr_t * p_manager)
10913 {
10914 /* preconditions*/
10915 assert(p_j2k != 00);
10916 assert(p_manager != 00);
10917
10918 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
10919 (opj_procedure)opj_j2k_decode_one_tile, p_manager)) {
10920 return OPJ_FALSE;
10921 }
10922 /* DEVELOPER CORNER, add your custom procedures */
10923
10924 return OPJ_TRUE;
10925 }
10926
opj_j2k_move_data_from_codec_to_output_image(opj_j2k_t * p_j2k,opj_image_t * p_image)10927 static OPJ_BOOL opj_j2k_move_data_from_codec_to_output_image(opj_j2k_t * p_j2k,
10928 opj_image_t * p_image)
10929 {
10930 OPJ_UINT32 compno;
10931
10932 /* Move data and copy one information from codec to output image*/
10933 if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode > 0) {
10934 opj_image_comp_t* newcomps =
10935 (opj_image_comp_t*) opj_malloc(
10936 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode *
10937 sizeof(opj_image_comp_t));
10938 if (newcomps == NULL) {
10939 opj_image_destroy(p_j2k->m_private_image);
10940 p_j2k->m_private_image = NULL;
10941 return OPJ_FALSE;
10942 }
10943 for (compno = 0; compno < p_image->numcomps; compno++) {
10944 opj_image_data_free(p_image->comps[compno].data);
10945 p_image->comps[compno].data = NULL;
10946 }
10947 for (compno = 0;
10948 compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
10949 OPJ_UINT32 src_compno =
10950 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
10951 memcpy(&(newcomps[compno]),
10952 &(p_j2k->m_output_image->comps[src_compno]),
10953 sizeof(opj_image_comp_t));
10954 newcomps[compno].resno_decoded =
10955 p_j2k->m_output_image->comps[src_compno].resno_decoded;
10956 newcomps[compno].data = p_j2k->m_output_image->comps[src_compno].data;
10957 p_j2k->m_output_image->comps[src_compno].data = NULL;
10958 }
10959 for (compno = 0; compno < p_image->numcomps; compno++) {
10960 assert(p_j2k->m_output_image->comps[compno].data == NULL);
10961 opj_image_data_free(p_j2k->m_output_image->comps[compno].data);
10962 p_j2k->m_output_image->comps[compno].data = NULL;
10963 }
10964 p_image->numcomps = p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode;
10965 opj_free(p_image->comps);
10966 p_image->comps = newcomps;
10967 } else {
10968 for (compno = 0; compno < p_image->numcomps; compno++) {
10969 p_image->comps[compno].resno_decoded =
10970 p_j2k->m_output_image->comps[compno].resno_decoded;
10971 opj_image_data_free(p_image->comps[compno].data);
10972 p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
10973 #if 0
10974 char fn[256];
10975 sprintf(fn, "/tmp/%d.raw", compno);
10976 FILE *debug = fopen(fn, "wb");
10977 fwrite(p_image->comps[compno].data, sizeof(OPJ_INT32),
10978 p_image->comps[compno].w * p_image->comps[compno].h, debug);
10979 fclose(debug);
10980 #endif
10981 p_j2k->m_output_image->comps[compno].data = NULL;
10982 }
10983 }
10984 return OPJ_TRUE;
10985 }
10986
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)10987 OPJ_BOOL opj_j2k_decode(opj_j2k_t * p_j2k,
10988 opj_stream_private_t * p_stream,
10989 opj_image_t * p_image,
10990 opj_event_mgr_t * p_manager)
10991 {
10992 if (!p_image) {
10993 return OPJ_FALSE;
10994 }
10995
10996 /* Heuristics to detect sequence opj_read_header(), opj_set_decoded_resolution_factor() */
10997 /* and finally opj_decode_image() without manual setting of comps[].factor */
10998 /* We could potentially always execute it, if we don't allow people to do */
10999 /* opj_read_header(), modify x0,y0,x1,y1 of returned image an call opj_decode_image() */
11000 if (p_j2k->m_cp.m_specific_param.m_dec.m_reduce > 0 &&
11001 p_j2k->m_private_image != NULL &&
11002 p_j2k->m_private_image->numcomps > 0 &&
11003 p_j2k->m_private_image->comps[0].factor ==
11004 p_j2k->m_cp.m_specific_param.m_dec.m_reduce &&
11005 p_image->numcomps > 0 &&
11006 p_image->comps[0].factor == 0 &&
11007 /* Don't mess with image dimension if the user has allocated it */
11008 p_image->comps[0].data == NULL) {
11009 OPJ_UINT32 it_comp;
11010
11011 /* Update the comps[].factor member of the output image with the one */
11012 /* of m_reduce */
11013 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
11014 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
11015 }
11016 if (!opj_j2k_update_image_dimensions(p_image, p_manager)) {
11017 return OPJ_FALSE;
11018 }
11019 }
11020
11021 if (p_j2k->m_output_image == NULL) {
11022 p_j2k->m_output_image = opj_image_create0();
11023 if (!(p_j2k->m_output_image)) {
11024 return OPJ_FALSE;
11025 }
11026 }
11027 opj_copy_image_header(p_image, p_j2k->m_output_image);
11028
11029 /* customization of the decoding */
11030 if (!opj_j2k_setup_decoding(p_j2k, p_manager)) {
11031 return OPJ_FALSE;
11032 }
11033
11034 /* Decode the codestream */
11035 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
11036 opj_image_destroy(p_j2k->m_private_image);
11037 p_j2k->m_private_image = NULL;
11038 return OPJ_FALSE;
11039 }
11040
11041 /* Move data and copy one information from codec to output image*/
11042 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
11043 }
11044
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)11045 OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
11046 opj_stream_private_t *p_stream,
11047 opj_image_t* p_image,
11048 opj_event_mgr_t * p_manager,
11049 OPJ_UINT32 tile_index)
11050 {
11051 OPJ_UINT32 compno;
11052 OPJ_UINT32 l_tile_x, l_tile_y;
11053 opj_image_comp_t* l_img_comp;
11054
11055 if (!p_image) {
11056 opj_event_msg(p_manager, EVT_ERROR, "We need an image previously created.\n");
11057 return OPJ_FALSE;
11058 }
11059
11060 if (p_image->numcomps < p_j2k->m_private_image->numcomps) {
11061 opj_event_msg(p_manager, EVT_ERROR,
11062 "Image has less components than codestream.\n");
11063 return OPJ_FALSE;
11064 }
11065
11066 if (/*(tile_index < 0) &&*/ (tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th)) {
11067 opj_event_msg(p_manager, EVT_ERROR,
11068 "Tile index provided by the user is incorrect %d (max = %d) \n", tile_index,
11069 (p_j2k->m_cp.tw * p_j2k->m_cp.th) - 1);
11070 return OPJ_FALSE;
11071 }
11072
11073 /* Compute the dimension of the desired tile*/
11074 l_tile_x = tile_index % p_j2k->m_cp.tw;
11075 l_tile_y = tile_index / p_j2k->m_cp.tw;
11076
11077 p_image->x0 = l_tile_x * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
11078 if (p_image->x0 < p_j2k->m_private_image->x0) {
11079 p_image->x0 = p_j2k->m_private_image->x0;
11080 }
11081 p_image->x1 = (l_tile_x + 1) * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
11082 if (p_image->x1 > p_j2k->m_private_image->x1) {
11083 p_image->x1 = p_j2k->m_private_image->x1;
11084 }
11085
11086 p_image->y0 = l_tile_y * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
11087 if (p_image->y0 < p_j2k->m_private_image->y0) {
11088 p_image->y0 = p_j2k->m_private_image->y0;
11089 }
11090 p_image->y1 = (l_tile_y + 1) * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
11091 if (p_image->y1 > p_j2k->m_private_image->y1) {
11092 p_image->y1 = p_j2k->m_private_image->y1;
11093 }
11094
11095 l_img_comp = p_image->comps;
11096 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
11097 OPJ_INT32 l_comp_x1, l_comp_y1;
11098
11099 l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
11100
11101 l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
11102 l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
11103 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
11104 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
11105
11106 l_img_comp->w = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_x1,
11107 (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0,
11108 (OPJ_INT32)l_img_comp->factor));
11109 l_img_comp->h = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_y1,
11110 (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0,
11111 (OPJ_INT32)l_img_comp->factor));
11112
11113 l_img_comp++;
11114 }
11115
11116 if (p_image->numcomps > p_j2k->m_private_image->numcomps) {
11117 /* Can happen when calling repeatdly opj_get_decoded_tile() on an
11118 * image with a color palette, where color palette expansion is done
11119 * later in jp2.c */
11120 for (compno = p_j2k->m_private_image->numcomps; compno < p_image->numcomps;
11121 ++compno) {
11122 opj_image_data_free(p_image->comps[compno].data);
11123 p_image->comps[compno].data = NULL;
11124 }
11125 p_image->numcomps = p_j2k->m_private_image->numcomps;
11126 }
11127
11128 /* Destroy the previous output image*/
11129 if (p_j2k->m_output_image) {
11130 opj_image_destroy(p_j2k->m_output_image);
11131 }
11132
11133 /* Create the ouput image from the information previously computed*/
11134 p_j2k->m_output_image = opj_image_create0();
11135 if (!(p_j2k->m_output_image)) {
11136 return OPJ_FALSE;
11137 }
11138 opj_copy_image_header(p_image, p_j2k->m_output_image);
11139
11140 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = (OPJ_INT32)tile_index;
11141
11142 /* customization of the decoding */
11143 if (!opj_j2k_setup_decoding_tile(p_j2k, p_manager)) {
11144 return OPJ_FALSE;
11145 }
11146
11147 /* Decode the codestream */
11148 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
11149 opj_image_destroy(p_j2k->m_private_image);
11150 p_j2k->m_private_image = NULL;
11151 return OPJ_FALSE;
11152 }
11153
11154 /* Move data and copy one information from codec to output image*/
11155 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
11156 }
11157
opj_j2k_set_decoded_resolution_factor(opj_j2k_t * p_j2k,OPJ_UINT32 res_factor,opj_event_mgr_t * p_manager)11158 OPJ_BOOL opj_j2k_set_decoded_resolution_factor(opj_j2k_t *p_j2k,
11159 OPJ_UINT32 res_factor,
11160 opj_event_mgr_t * p_manager)
11161 {
11162 OPJ_UINT32 it_comp;
11163
11164 p_j2k->m_cp.m_specific_param.m_dec.m_reduce = res_factor;
11165
11166 if (p_j2k->m_private_image) {
11167 if (p_j2k->m_private_image->comps) {
11168 if (p_j2k->m_specific_param.m_decoder.m_default_tcp) {
11169 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps) {
11170 for (it_comp = 0 ; it_comp < p_j2k->m_private_image->numcomps; it_comp++) {
11171 OPJ_UINT32 max_res =
11172 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[it_comp].numresolutions;
11173 if (res_factor >= max_res) {
11174 opj_event_msg(p_manager, EVT_ERROR,
11175 "Resolution factor is greater than the maximum resolution in the component.\n");
11176 return OPJ_FALSE;
11177 }
11178 p_j2k->m_private_image->comps[it_comp].factor = res_factor;
11179 }
11180 return OPJ_TRUE;
11181 }
11182 }
11183 }
11184 }
11185
11186 return OPJ_FALSE;
11187 }
11188
opj_j2k_encode(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)11189 OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
11190 opj_stream_private_t *p_stream,
11191 opj_event_mgr_t * p_manager)
11192 {
11193 OPJ_UINT32 i, j;
11194 OPJ_UINT32 l_nb_tiles;
11195 OPJ_SIZE_T l_max_tile_size = 0, l_current_tile_size;
11196 OPJ_BYTE * l_current_data = 00;
11197 OPJ_BOOL l_reuse_data = OPJ_FALSE;
11198 opj_tcd_t* p_tcd = 00;
11199
11200 /* preconditions */
11201 assert(p_j2k != 00);
11202 assert(p_stream != 00);
11203 assert(p_manager != 00);
11204
11205 p_tcd = p_j2k->m_tcd;
11206
11207 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
11208 if (l_nb_tiles == 1) {
11209 l_reuse_data = OPJ_TRUE;
11210 #ifdef __SSE__
11211 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
11212 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
11213 if (((size_t)l_img_comp->data & 0xFU) !=
11214 0U) { /* tile data shall be aligned on 16 bytes */
11215 l_reuse_data = OPJ_FALSE;
11216 }
11217 }
11218 #endif
11219 }
11220 for (i = 0; i < l_nb_tiles; ++i) {
11221 if (! opj_j2k_pre_write_tile(p_j2k, i, p_stream, p_manager)) {
11222 if (l_current_data) {
11223 opj_free(l_current_data);
11224 }
11225 return OPJ_FALSE;
11226 }
11227
11228 /* if we only have one tile, then simply set tile component data equal to image component data */
11229 /* otherwise, allocate the data */
11230 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
11231 opj_tcd_tilecomp_t* l_tilec = p_tcd->tcd_image->tiles->comps + j;
11232 if (l_reuse_data) {
11233 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
11234 l_tilec->data = l_img_comp->data;
11235 l_tilec->ownsData = OPJ_FALSE;
11236 } else {
11237 if (! opj_alloc_tile_component_data(l_tilec)) {
11238 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
11239 if (l_current_data) {
11240 opj_free(l_current_data);
11241 }
11242 return OPJ_FALSE;
11243 }
11244 }
11245 }
11246 l_current_tile_size = opj_tcd_get_encoded_tile_size(p_j2k->m_tcd);
11247 if (!l_reuse_data) {
11248 if (l_current_tile_size > l_max_tile_size) {
11249 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data,
11250 l_current_tile_size);
11251 if (! l_new_current_data) {
11252 if (l_current_data) {
11253 opj_free(l_current_data);
11254 }
11255 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to encode all tiles\n");
11256 return OPJ_FALSE;
11257 }
11258 l_current_data = l_new_current_data;
11259 l_max_tile_size = l_current_tile_size;
11260 }
11261 if (l_current_data == NULL) {
11262 /* Should not happen in practice, but will avoid Coverity to */
11263 /* complain about a null pointer dereference */
11264 assert(0);
11265 return OPJ_FALSE;
11266 }
11267
11268 /* copy image data (32 bit) to l_current_data as contiguous, all-component, zero offset buffer */
11269 /* 32 bit components @ 8 bit precision get converted to 8 bit */
11270 /* 32 bit components @ 16 bit precision get converted to 16 bit */
11271 opj_j2k_get_tile_data(p_j2k->m_tcd, l_current_data);
11272
11273 /* now copy this data into the tile component */
11274 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, l_current_data,
11275 l_current_tile_size)) {
11276 opj_event_msg(p_manager, EVT_ERROR,
11277 "Size mismatch between tile data and sent data.");
11278 opj_free(l_current_data);
11279 return OPJ_FALSE;
11280 }
11281 }
11282
11283 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
11284 if (l_current_data) {
11285 opj_free(l_current_data);
11286 }
11287 return OPJ_FALSE;
11288 }
11289 }
11290
11291 if (l_current_data) {
11292 opj_free(l_current_data);
11293 }
11294 return OPJ_TRUE;
11295 }
11296
opj_j2k_end_compress(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)11297 OPJ_BOOL opj_j2k_end_compress(opj_j2k_t *p_j2k,
11298 opj_stream_private_t *p_stream,
11299 opj_event_mgr_t * p_manager)
11300 {
11301 /* customization of the encoding */
11302 if (! opj_j2k_setup_end_compress(p_j2k, p_manager)) {
11303 return OPJ_FALSE;
11304 }
11305
11306 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
11307 return OPJ_FALSE;
11308 }
11309
11310 return OPJ_TRUE;
11311 }
11312
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)11313 OPJ_BOOL opj_j2k_start_compress(opj_j2k_t *p_j2k,
11314 opj_stream_private_t *p_stream,
11315 opj_image_t * p_image,
11316 opj_event_mgr_t * p_manager)
11317 {
11318 /* preconditions */
11319 assert(p_j2k != 00);
11320 assert(p_stream != 00);
11321 assert(p_manager != 00);
11322
11323 p_j2k->m_private_image = opj_image_create0();
11324 if (! p_j2k->m_private_image) {
11325 opj_event_msg(p_manager, EVT_ERROR, "Failed to allocate image header.");
11326 return OPJ_FALSE;
11327 }
11328 opj_copy_image_header(p_image, p_j2k->m_private_image);
11329
11330 /* TODO_MSD: Find a better way */
11331 if (p_image->comps) {
11332 OPJ_UINT32 it_comp;
11333 for (it_comp = 0 ; it_comp < p_image->numcomps; it_comp++) {
11334 if (p_image->comps[it_comp].data) {
11335 p_j2k->m_private_image->comps[it_comp].data = p_image->comps[it_comp].data;
11336 p_image->comps[it_comp].data = NULL;
11337
11338 }
11339 }
11340 }
11341
11342 /* customization of the validation */
11343 if (! opj_j2k_setup_encoding_validation(p_j2k, p_manager)) {
11344 return OPJ_FALSE;
11345 }
11346
11347 /* validation of the parameters codec */
11348 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
11349 return OPJ_FALSE;
11350 }
11351
11352 /* customization of the encoding */
11353 if (! opj_j2k_setup_header_writing(p_j2k, p_manager)) {
11354 return OPJ_FALSE;
11355 }
11356
11357 /* write header */
11358 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
11359 return OPJ_FALSE;
11360 }
11361
11362 return OPJ_TRUE;
11363 }
11364
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)11365 static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
11366 OPJ_UINT32 p_tile_index,
11367 opj_stream_private_t *p_stream,
11368 opj_event_mgr_t * p_manager)
11369 {
11370 (void)p_stream;
11371 if (p_tile_index != p_j2k->m_current_tile_number) {
11372 opj_event_msg(p_manager, EVT_ERROR, "The given tile index does not match.");
11373 return OPJ_FALSE;
11374 }
11375
11376 opj_event_msg(p_manager, EVT_INFO, "tile number %d / %d\n",
11377 p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th);
11378
11379 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0;
11380 p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts;
11381 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
11382
11383 /* initialisation before tile encoding */
11384 if (! opj_tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
11385 p_manager)) {
11386 return OPJ_FALSE;
11387 }
11388
11389 return OPJ_TRUE;
11390 }
11391
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)11392 static void opj_get_tile_dimensions(opj_image_t * l_image,
11393 opj_tcd_tilecomp_t * l_tilec,
11394 opj_image_comp_t * l_img_comp,
11395 OPJ_UINT32* l_size_comp,
11396 OPJ_UINT32* l_width,
11397 OPJ_UINT32* l_height,
11398 OPJ_UINT32* l_offset_x,
11399 OPJ_UINT32* l_offset_y,
11400 OPJ_UINT32* l_image_width,
11401 OPJ_UINT32* l_stride,
11402 OPJ_UINT32* l_tile_offset)
11403 {
11404 OPJ_UINT32 l_remaining;
11405 *l_size_comp = l_img_comp->prec >> 3; /* (/8) */
11406 l_remaining = l_img_comp->prec & 7; /* (%8) */
11407 if (l_remaining) {
11408 *l_size_comp += 1;
11409 }
11410
11411 if (*l_size_comp == 3) {
11412 *l_size_comp = 4;
11413 }
11414
11415 *l_width = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0);
11416 *l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0);
11417 *l_offset_x = opj_uint_ceildiv(l_image->x0, l_img_comp->dx);
11418 *l_offset_y = opj_uint_ceildiv(l_image->y0, l_img_comp->dy);
11419 *l_image_width = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x1 -
11420 (OPJ_INT32)l_image->x0, (OPJ_INT32)l_img_comp->dx);
11421 *l_stride = *l_image_width - *l_width;
11422 *l_tile_offset = ((OPJ_UINT32)l_tilec->x0 - *l_offset_x) + ((
11423 OPJ_UINT32)l_tilec->y0 - *l_offset_y) * *l_image_width;
11424 }
11425
opj_j2k_get_tile_data(opj_tcd_t * p_tcd,OPJ_BYTE * p_data)11426 static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data)
11427 {
11428 OPJ_UINT32 i, j, k = 0;
11429
11430 for (i = 0; i < p_tcd->image->numcomps; ++i) {
11431 opj_image_t * l_image = p_tcd->image;
11432 OPJ_INT32 * l_src_ptr;
11433 opj_tcd_tilecomp_t * l_tilec = p_tcd->tcd_image->tiles->comps + i;
11434 opj_image_comp_t * l_img_comp = l_image->comps + i;
11435 OPJ_UINT32 l_size_comp, l_width, l_height, l_offset_x, l_offset_y,
11436 l_image_width, l_stride, l_tile_offset;
11437
11438 opj_get_tile_dimensions(l_image,
11439 l_tilec,
11440 l_img_comp,
11441 &l_size_comp,
11442 &l_width,
11443 &l_height,
11444 &l_offset_x,
11445 &l_offset_y,
11446 &l_image_width,
11447 &l_stride,
11448 &l_tile_offset);
11449
11450 l_src_ptr = l_img_comp->data + l_tile_offset;
11451
11452 switch (l_size_comp) {
11453 case 1: {
11454 OPJ_CHAR * l_dest_ptr = (OPJ_CHAR*) p_data;
11455 if (l_img_comp->sgnd) {
11456 for (j = 0; j < l_height; ++j) {
11457 for (k = 0; k < l_width; ++k) {
11458 *(l_dest_ptr) = (OPJ_CHAR)(*l_src_ptr);
11459 ++l_dest_ptr;
11460 ++l_src_ptr;
11461 }
11462 l_src_ptr += l_stride;
11463 }
11464 } else {
11465 for (j = 0; j < l_height; ++j) {
11466 for (k = 0; k < l_width; ++k) {
11467 *(l_dest_ptr) = (OPJ_CHAR)((*l_src_ptr) & 0xff);
11468 ++l_dest_ptr;
11469 ++l_src_ptr;
11470 }
11471 l_src_ptr += l_stride;
11472 }
11473 }
11474
11475 p_data = (OPJ_BYTE*) l_dest_ptr;
11476 }
11477 break;
11478 case 2: {
11479 OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_data;
11480 if (l_img_comp->sgnd) {
11481 for (j = 0; j < l_height; ++j) {
11482 for (k = 0; k < l_width; ++k) {
11483 *(l_dest_ptr++) = (OPJ_INT16)(*(l_src_ptr++));
11484 }
11485 l_src_ptr += l_stride;
11486 }
11487 } else {
11488 for (j = 0; j < l_height; ++j) {
11489 for (k = 0; k < l_width; ++k) {
11490 *(l_dest_ptr++) = (OPJ_INT16)((*(l_src_ptr++)) & 0xffff);
11491 }
11492 l_src_ptr += l_stride;
11493 }
11494 }
11495
11496 p_data = (OPJ_BYTE*) l_dest_ptr;
11497 }
11498 break;
11499 case 4: {
11500 OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_data;
11501 for (j = 0; j < l_height; ++j) {
11502 for (k = 0; k < l_width; ++k) {
11503 *(l_dest_ptr++) = *(l_src_ptr++);
11504 }
11505 l_src_ptr += l_stride;
11506 }
11507
11508 p_data = (OPJ_BYTE*) l_dest_ptr;
11509 }
11510 break;
11511 }
11512 }
11513 }
11514
opj_j2k_post_write_tile(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)11515 static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
11516 opj_stream_private_t *p_stream,
11517 opj_event_mgr_t * p_manager)
11518 {
11519 OPJ_UINT32 l_nb_bytes_written;
11520 OPJ_BYTE * l_current_data = 00;
11521 OPJ_UINT32 l_tile_size = 0;
11522 OPJ_UINT32 l_available_data;
11523
11524 /* preconditions */
11525 assert(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
11526
11527 l_tile_size = p_j2k->m_specific_param.m_encoder.m_encoded_tile_size;
11528 l_available_data = l_tile_size;
11529 l_current_data = p_j2k->m_specific_param.m_encoder.m_encoded_tile_data;
11530
11531 l_nb_bytes_written = 0;
11532 if (! opj_j2k_write_first_tile_part(p_j2k, l_current_data, &l_nb_bytes_written,
11533 l_available_data, p_stream, p_manager)) {
11534 return OPJ_FALSE;
11535 }
11536 l_current_data += l_nb_bytes_written;
11537 l_available_data -= l_nb_bytes_written;
11538
11539 l_nb_bytes_written = 0;
11540 if (! opj_j2k_write_all_tile_parts(p_j2k, l_current_data, &l_nb_bytes_written,
11541 l_available_data, p_stream, p_manager)) {
11542 return OPJ_FALSE;
11543 }
11544
11545 l_available_data -= l_nb_bytes_written;
11546 l_nb_bytes_written = l_tile_size - l_available_data;
11547
11548 if (opj_stream_write_data(p_stream,
11549 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data,
11550 l_nb_bytes_written, p_manager) != l_nb_bytes_written) {
11551 return OPJ_FALSE;
11552 }
11553
11554 ++p_j2k->m_current_tile_number;
11555
11556 return OPJ_TRUE;
11557 }
11558
opj_j2k_setup_end_compress(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)11559 static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
11560 opj_event_mgr_t * p_manager)
11561 {
11562 /* preconditions */
11563 assert(p_j2k != 00);
11564 assert(p_manager != 00);
11565
11566 /* DEVELOPER CORNER, insert your custom procedures */
11567 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11568 (opj_procedure)opj_j2k_write_eoc, p_manager)) {
11569 return OPJ_FALSE;
11570 }
11571
11572 if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) {
11573 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11574 (opj_procedure)opj_j2k_write_updated_tlm, p_manager)) {
11575 return OPJ_FALSE;
11576 }
11577 }
11578
11579 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11580 (opj_procedure)opj_j2k_write_epc, p_manager)) {
11581 return OPJ_FALSE;
11582 }
11583 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11584 (opj_procedure)opj_j2k_end_encoding, p_manager)) {
11585 return OPJ_FALSE;
11586 }
11587 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11588 (opj_procedure)opj_j2k_destroy_header_memory, p_manager)) {
11589 return OPJ_FALSE;
11590 }
11591 return OPJ_TRUE;
11592 }
11593
opj_j2k_setup_encoding_validation(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)11594 static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
11595 opj_event_mgr_t * p_manager)
11596 {
11597 /* preconditions */
11598 assert(p_j2k != 00);
11599 assert(p_manager != 00);
11600
11601 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
11602 (opj_procedure)opj_j2k_build_encoder, p_manager)) {
11603 return OPJ_FALSE;
11604 }
11605 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
11606 (opj_procedure)opj_j2k_encoding_validation, p_manager)) {
11607 return OPJ_FALSE;
11608 }
11609
11610 /* DEVELOPER CORNER, add your custom validation procedure */
11611 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
11612 (opj_procedure)opj_j2k_mct_validation, p_manager)) {
11613 return OPJ_FALSE;
11614 }
11615
11616 return OPJ_TRUE;
11617 }
11618
opj_j2k_setup_header_writing(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)11619 static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
11620 opj_event_mgr_t * p_manager)
11621 {
11622 /* preconditions */
11623 assert(p_j2k != 00);
11624 assert(p_manager != 00);
11625
11626 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11627 (opj_procedure)opj_j2k_init_info, p_manager)) {
11628 return OPJ_FALSE;
11629 }
11630 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11631 (opj_procedure)opj_j2k_write_soc, p_manager)) {
11632 return OPJ_FALSE;
11633 }
11634 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11635 (opj_procedure)opj_j2k_write_siz, p_manager)) {
11636 return OPJ_FALSE;
11637 }
11638 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11639 (opj_procedure)opj_j2k_write_cod, p_manager)) {
11640 return OPJ_FALSE;
11641 }
11642 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11643 (opj_procedure)opj_j2k_write_qcd, p_manager)) {
11644 return OPJ_FALSE;
11645 }
11646 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11647 (opj_procedure)opj_j2k_write_all_coc, p_manager)) {
11648 return OPJ_FALSE;
11649 }
11650 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11651 (opj_procedure)opj_j2k_write_all_qcc, p_manager)) {
11652 return OPJ_FALSE;
11653 }
11654
11655 if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) {
11656 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11657 (opj_procedure)opj_j2k_write_tlm, p_manager)) {
11658 return OPJ_FALSE;
11659 }
11660
11661 if (p_j2k->m_cp.rsiz == OPJ_PROFILE_CINEMA_4K) {
11662 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11663 (opj_procedure)opj_j2k_write_poc, p_manager)) {
11664 return OPJ_FALSE;
11665 }
11666 }
11667 }
11668
11669 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11670 (opj_procedure)opj_j2k_write_regions, p_manager)) {
11671 return OPJ_FALSE;
11672 }
11673
11674 if (p_j2k->m_cp.comment != 00) {
11675 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11676 (opj_procedure)opj_j2k_write_com, p_manager)) {
11677 return OPJ_FALSE;
11678 }
11679 }
11680
11681 /* DEVELOPER CORNER, insert your custom procedures */
11682 if (p_j2k->m_cp.rsiz & OPJ_EXTENSION_MCT) {
11683 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11684 (opj_procedure)opj_j2k_write_mct_data_group, p_manager)) {
11685 return OPJ_FALSE;
11686 }
11687 }
11688 /* End of Developer Corner */
11689
11690 if (p_j2k->cstr_index) {
11691 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11692 (opj_procedure)opj_j2k_get_end_header, p_manager)) {
11693 return OPJ_FALSE;
11694 }
11695 }
11696
11697 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11698 (opj_procedure)opj_j2k_create_tcd, p_manager)) {
11699 return OPJ_FALSE;
11700 }
11701 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11702 (opj_procedure)opj_j2k_update_rates, p_manager)) {
11703 return OPJ_FALSE;
11704 }
11705
11706 return OPJ_TRUE;
11707 }
11708
opj_j2k_write_first_tile_part(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,OPJ_UINT32 p_total_data_size,opj_stream_private_t * p_stream,struct opj_event_mgr * p_manager)11709 static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
11710 OPJ_BYTE * p_data,
11711 OPJ_UINT32 * p_data_written,
11712 OPJ_UINT32 p_total_data_size,
11713 opj_stream_private_t *p_stream,
11714 struct opj_event_mgr * p_manager)
11715 {
11716 OPJ_UINT32 l_nb_bytes_written = 0;
11717 OPJ_UINT32 l_current_nb_bytes_written;
11718 OPJ_BYTE * l_begin_data = 00;
11719
11720 opj_tcd_t * l_tcd = 00;
11721 opj_cp_t * l_cp = 00;
11722
11723 l_tcd = p_j2k->m_tcd;
11724 l_cp = &(p_j2k->m_cp);
11725
11726 l_tcd->cur_pino = 0;
11727
11728 /*Get number of tile parts*/
11729 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
11730
11731 /* INDEX >> */
11732 /* << INDEX */
11733
11734 l_current_nb_bytes_written = 0;
11735 l_begin_data = p_data;
11736 if (! opj_j2k_write_sot(p_j2k, p_data, p_total_data_size,
11737 &l_current_nb_bytes_written, p_stream,
11738 p_manager)) {
11739 return OPJ_FALSE;
11740 }
11741
11742 l_nb_bytes_written += l_current_nb_bytes_written;
11743 p_data += l_current_nb_bytes_written;
11744 p_total_data_size -= l_current_nb_bytes_written;
11745
11746 if (!OPJ_IS_CINEMA(l_cp->rsiz)) {
11747 #if 0
11748 for (compno = 1; compno < p_j2k->m_private_image->numcomps; compno++) {
11749 l_current_nb_bytes_written = 0;
11750 opj_j2k_write_coc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
11751 p_manager);
11752 l_nb_bytes_written += l_current_nb_bytes_written;
11753 p_data += l_current_nb_bytes_written;
11754 p_total_data_size -= l_current_nb_bytes_written;
11755
11756 l_current_nb_bytes_written = 0;
11757 opj_j2k_write_qcc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
11758 p_manager);
11759 l_nb_bytes_written += l_current_nb_bytes_written;
11760 p_data += l_current_nb_bytes_written;
11761 p_total_data_size -= l_current_nb_bytes_written;
11762 }
11763 #endif
11764 if (l_cp->tcps[p_j2k->m_current_tile_number].numpocs) {
11765 l_current_nb_bytes_written = 0;
11766 opj_j2k_write_poc_in_memory(p_j2k, p_data, &l_current_nb_bytes_written,
11767 p_manager);
11768 l_nb_bytes_written += l_current_nb_bytes_written;
11769 p_data += l_current_nb_bytes_written;
11770 p_total_data_size -= l_current_nb_bytes_written;
11771 }
11772 }
11773
11774 l_current_nb_bytes_written = 0;
11775 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
11776 p_total_data_size, p_stream, p_manager)) {
11777 return OPJ_FALSE;
11778 }
11779
11780 l_nb_bytes_written += l_current_nb_bytes_written;
11781 * p_data_written = l_nb_bytes_written;
11782
11783 /* Writing Psot in SOT marker */
11784 opj_write_bytes(l_begin_data + 6, l_nb_bytes_written,
11785 4); /* PSOT */
11786
11787 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
11788 opj_j2k_update_tlm(p_j2k, l_nb_bytes_written);
11789 }
11790
11791 return OPJ_TRUE;
11792 }
11793
opj_j2k_write_all_tile_parts(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,OPJ_UINT32 p_total_data_size,opj_stream_private_t * p_stream,struct opj_event_mgr * p_manager)11794 static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
11795 OPJ_BYTE * p_data,
11796 OPJ_UINT32 * p_data_written,
11797 OPJ_UINT32 p_total_data_size,
11798 opj_stream_private_t *p_stream,
11799 struct opj_event_mgr * p_manager
11800 )
11801 {
11802 OPJ_UINT32 tilepartno = 0;
11803 OPJ_UINT32 l_nb_bytes_written = 0;
11804 OPJ_UINT32 l_current_nb_bytes_written;
11805 OPJ_UINT32 l_part_tile_size;
11806 OPJ_UINT32 tot_num_tp;
11807 OPJ_UINT32 pino;
11808
11809 OPJ_BYTE * l_begin_data;
11810 opj_tcp_t *l_tcp = 00;
11811 opj_tcd_t * l_tcd = 00;
11812 opj_cp_t * l_cp = 00;
11813
11814 l_tcd = p_j2k->m_tcd;
11815 l_cp = &(p_j2k->m_cp);
11816 l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
11817
11818 /*Get number of tile parts*/
11819 tot_num_tp = opj_j2k_get_num_tp(l_cp, 0, p_j2k->m_current_tile_number);
11820
11821 /* start writing remaining tile parts */
11822 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
11823 for (tilepartno = 1; tilepartno < tot_num_tp ; ++tilepartno) {
11824 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
11825 l_current_nb_bytes_written = 0;
11826 l_part_tile_size = 0;
11827 l_begin_data = p_data;
11828
11829 if (! opj_j2k_write_sot(p_j2k, p_data,
11830 p_total_data_size,
11831 &l_current_nb_bytes_written,
11832 p_stream,
11833 p_manager)) {
11834 return OPJ_FALSE;
11835 }
11836
11837 l_nb_bytes_written += l_current_nb_bytes_written;
11838 p_data += l_current_nb_bytes_written;
11839 p_total_data_size -= l_current_nb_bytes_written;
11840 l_part_tile_size += l_current_nb_bytes_written;
11841
11842 l_current_nb_bytes_written = 0;
11843 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
11844 p_total_data_size, p_stream, p_manager)) {
11845 return OPJ_FALSE;
11846 }
11847
11848 p_data += l_current_nb_bytes_written;
11849 l_nb_bytes_written += l_current_nb_bytes_written;
11850 p_total_data_size -= l_current_nb_bytes_written;
11851 l_part_tile_size += l_current_nb_bytes_written;
11852
11853 /* Writing Psot in SOT marker */
11854 opj_write_bytes(l_begin_data + 6, l_part_tile_size,
11855 4); /* PSOT */
11856
11857 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
11858 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
11859 }
11860
11861 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
11862 }
11863
11864 for (pino = 1; pino <= l_tcp->numpocs; ++pino) {
11865 l_tcd->cur_pino = pino;
11866
11867 /*Get number of tile parts*/
11868 tot_num_tp = opj_j2k_get_num_tp(l_cp, pino, p_j2k->m_current_tile_number);
11869 for (tilepartno = 0; tilepartno < tot_num_tp ; ++tilepartno) {
11870 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
11871 l_current_nb_bytes_written = 0;
11872 l_part_tile_size = 0;
11873 l_begin_data = p_data;
11874
11875 if (! opj_j2k_write_sot(p_j2k, p_data,
11876 p_total_data_size,
11877 &l_current_nb_bytes_written, p_stream,
11878 p_manager)) {
11879 return OPJ_FALSE;
11880 }
11881
11882 l_nb_bytes_written += l_current_nb_bytes_written;
11883 p_data += l_current_nb_bytes_written;
11884 p_total_data_size -= l_current_nb_bytes_written;
11885 l_part_tile_size += l_current_nb_bytes_written;
11886
11887 l_current_nb_bytes_written = 0;
11888
11889 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
11890 p_total_data_size, p_stream, p_manager)) {
11891 return OPJ_FALSE;
11892 }
11893
11894 l_nb_bytes_written += l_current_nb_bytes_written;
11895 p_data += l_current_nb_bytes_written;
11896 p_total_data_size -= l_current_nb_bytes_written;
11897 l_part_tile_size += l_current_nb_bytes_written;
11898
11899 /* Writing Psot in SOT marker */
11900 opj_write_bytes(l_begin_data + 6, l_part_tile_size,
11901 4); /* PSOT */
11902
11903 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
11904 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
11905 }
11906
11907 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
11908 }
11909 }
11910
11911 *p_data_written = l_nb_bytes_written;
11912
11913 return OPJ_TRUE;
11914 }
11915
opj_j2k_write_updated_tlm(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)11916 static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
11917 struct opj_stream_private *p_stream,
11918 struct opj_event_mgr * p_manager)
11919 {
11920 OPJ_UINT32 l_tlm_size;
11921 OPJ_OFF_T l_tlm_position, l_current_position;
11922
11923 /* preconditions */
11924 assert(p_j2k != 00);
11925 assert(p_manager != 00);
11926 assert(p_stream != 00);
11927
11928 l_tlm_size = 5 * p_j2k->m_specific_param.m_encoder.m_total_tile_parts;
11929 l_tlm_position = 6 + p_j2k->m_specific_param.m_encoder.m_tlm_start;
11930 l_current_position = opj_stream_tell(p_stream);
11931
11932 if (! opj_stream_seek(p_stream, l_tlm_position, p_manager)) {
11933 return OPJ_FALSE;
11934 }
11935
11936 if (opj_stream_write_data(p_stream,
11937 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer, l_tlm_size,
11938 p_manager) != l_tlm_size) {
11939 return OPJ_FALSE;
11940 }
11941
11942 if (! opj_stream_seek(p_stream, l_current_position, p_manager)) {
11943 return OPJ_FALSE;
11944 }
11945
11946 return OPJ_TRUE;
11947 }
11948
opj_j2k_end_encoding(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)11949 static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
11950 struct opj_stream_private *p_stream,
11951 struct opj_event_mgr * p_manager)
11952 {
11953 /* preconditions */
11954 assert(p_j2k != 00);
11955 assert(p_manager != 00);
11956 assert(p_stream != 00);
11957
11958 OPJ_UNUSED(p_stream);
11959 OPJ_UNUSED(p_manager);
11960
11961 opj_tcd_destroy(p_j2k->m_tcd);
11962 p_j2k->m_tcd = 00;
11963
11964 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
11965 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
11966 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 0;
11967 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 0;
11968 }
11969
11970 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
11971 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
11972 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 0;
11973 }
11974
11975 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = 0;
11976
11977 return OPJ_TRUE;
11978 }
11979
11980 /**
11981 * Destroys the memory associated with the decoding of headers.
11982 */
opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)11983 static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
11984 opj_stream_private_t *p_stream,
11985 opj_event_mgr_t * p_manager
11986 )
11987 {
11988 /* preconditions */
11989 assert(p_j2k != 00);
11990 assert(p_stream != 00);
11991 assert(p_manager != 00);
11992
11993 OPJ_UNUSED(p_stream);
11994 OPJ_UNUSED(p_manager);
11995
11996 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
11997 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
11998 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 0;
11999 }
12000
12001 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
12002
12003 return OPJ_TRUE;
12004 }
12005
opj_j2k_init_info(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)12006 static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
12007 struct opj_stream_private *p_stream,
12008 struct opj_event_mgr * p_manager)
12009 {
12010 opj_codestream_info_t * l_cstr_info = 00;
12011
12012 /* preconditions */
12013 assert(p_j2k != 00);
12014 assert(p_manager != 00);
12015 assert(p_stream != 00);
12016 (void)l_cstr_info;
12017
12018 OPJ_UNUSED(p_stream);
12019
12020 /* TODO mergeV2: check this part which use cstr_info */
12021 /*l_cstr_info = p_j2k->cstr_info;
12022
12023 if (l_cstr_info) {
12024 OPJ_UINT32 compno;
12025 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));
12026
12027 l_cstr_info->image_w = p_j2k->m_image->x1 - p_j2k->m_image->x0;
12028 l_cstr_info->image_h = p_j2k->m_image->y1 - p_j2k->m_image->y0;
12029
12030 l_cstr_info->prog = (&p_j2k->m_cp.tcps[0])->prg;
12031
12032 l_cstr_info->tw = p_j2k->m_cp.tw;
12033 l_cstr_info->th = p_j2k->m_cp.th;
12034
12035 l_cstr_info->tile_x = p_j2k->m_cp.tdx;*/ /* new version parser */
12036 /*l_cstr_info->tile_y = p_j2k->m_cp.tdy;*/ /* new version parser */
12037 /*l_cstr_info->tile_Ox = p_j2k->m_cp.tx0;*/ /* new version parser */
12038 /*l_cstr_info->tile_Oy = p_j2k->m_cp.ty0;*/ /* new version parser */
12039
12040 /*l_cstr_info->numcomps = p_j2k->m_image->numcomps;
12041
12042 l_cstr_info->numlayers = (&p_j2k->m_cp.tcps[0])->numlayers;
12043
12044 l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(p_j2k->m_image->numcomps * sizeof(OPJ_INT32));
12045
12046 for (compno=0; compno < p_j2k->m_image->numcomps; compno++) {
12047 l_cstr_info->numdecompos[compno] = (&p_j2k->m_cp.tcps[0])->tccps->numresolutions - 1;
12048 }
12049
12050 l_cstr_info->D_max = 0.0; */ /* ADD Marcela */
12051
12052 /*l_cstr_info->main_head_start = opj_stream_tell(p_stream);*/ /* position of SOC */
12053
12054 /*l_cstr_info->maxmarknum = 100;
12055 l_cstr_info->marker = (opj_marker_info_t *) opj_malloc(l_cstr_info->maxmarknum * sizeof(opj_marker_info_t));
12056 l_cstr_info->marknum = 0;
12057 }*/
12058
12059 return opj_j2k_calculate_tp(p_j2k, &(p_j2k->m_cp),
12060 &p_j2k->m_specific_param.m_encoder.m_total_tile_parts, p_j2k->m_private_image,
12061 p_manager);
12062 }
12063
12064 /**
12065 * Creates a tile-coder encoder.
12066 *
12067 * @param p_stream the stream to write data to.
12068 * @param p_j2k J2K codec.
12069 * @param p_manager the user event manager.
12070 */
opj_j2k_create_tcd(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)12071 static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
12072 opj_stream_private_t *p_stream,
12073 opj_event_mgr_t * p_manager
12074 )
12075 {
12076 /* preconditions */
12077 assert(p_j2k != 00);
12078 assert(p_manager != 00);
12079 assert(p_stream != 00);
12080
12081 OPJ_UNUSED(p_stream);
12082
12083 p_j2k->m_tcd = opj_tcd_create(OPJ_FALSE);
12084
12085 if (! p_j2k->m_tcd) {
12086 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to create Tile Coder\n");
12087 return OPJ_FALSE;
12088 }
12089
12090 if (!opj_tcd_init(p_j2k->m_tcd, p_j2k->m_private_image, &p_j2k->m_cp,
12091 p_j2k->m_tp)) {
12092 opj_tcd_destroy(p_j2k->m_tcd);
12093 p_j2k->m_tcd = 00;
12094 return OPJ_FALSE;
12095 }
12096
12097 return OPJ_TRUE;
12098 }
12099
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)12100 OPJ_BOOL opj_j2k_write_tile(opj_j2k_t * p_j2k,
12101 OPJ_UINT32 p_tile_index,
12102 OPJ_BYTE * p_data,
12103 OPJ_UINT32 p_data_size,
12104 opj_stream_private_t *p_stream,
12105 opj_event_mgr_t * p_manager)
12106 {
12107 if (! opj_j2k_pre_write_tile(p_j2k, p_tile_index, p_stream, p_manager)) {
12108 opj_event_msg(p_manager, EVT_ERROR,
12109 "Error while opj_j2k_pre_write_tile with tile index = %d\n", p_tile_index);
12110 return OPJ_FALSE;
12111 } else {
12112 OPJ_UINT32 j;
12113 /* Allocate data */
12114 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
12115 opj_tcd_tilecomp_t* l_tilec = p_j2k->m_tcd->tcd_image->tiles->comps + j;
12116
12117 if (! opj_alloc_tile_component_data(l_tilec)) {
12118 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
12119 return OPJ_FALSE;
12120 }
12121 }
12122
12123 /* now copy data into the tile component */
12124 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
12125 opj_event_msg(p_manager, EVT_ERROR,
12126 "Size mismatch between tile data and sent data.");
12127 return OPJ_FALSE;
12128 }
12129 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
12130 opj_event_msg(p_manager, EVT_ERROR,
12131 "Error while opj_j2k_post_write_tile with tile index = %d\n", p_tile_index);
12132 return OPJ_FALSE;
12133 }
12134 }
12135
12136 return OPJ_TRUE;
12137 }
12138