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 <[email protected]>
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 <[email protected]>
20 * All rights reserved.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the above copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
32 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
33 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
34 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
35 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
36 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
37 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
38 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
39 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 #include "opj_includes.h"
45
46 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
47 /*@{*/
48
49 /** @name Local static functions */
50 /*@{*/
51
52 /**
53 * Sets up the procedures to do on reading header. Developers wanting to extend the library can add their own reading procedures.
54 */
55 static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
56 opj_event_mgr_t * p_manager);
57
58 /**
59 * The read header procedure.
60 */
61 static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
62 opj_stream_private_t *p_stream,
63 opj_event_mgr_t * p_manager);
64
65 /**
66 * The default encoding validation procedure without any extension.
67 *
68 * @param p_j2k the jpeg2000 codec to validate.
69 * @param p_stream the input stream to validate.
70 * @param p_manager the user event manager.
71 *
72 * @return true if the parameters are correct.
73 */
74 static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
75 opj_stream_private_t *p_stream,
76 opj_event_mgr_t * p_manager);
77
78 /**
79 * The default decoding validation procedure without any extension.
80 *
81 * @param p_j2k the jpeg2000 codec to validate.
82 * @param p_stream the input stream to validate.
83 * @param p_manager the user event manager.
84 *
85 * @return true if the parameters are correct.
86 */
87 static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t * p_j2k,
88 opj_stream_private_t *p_stream,
89 opj_event_mgr_t * p_manager);
90
91 /**
92 * Sets up the validation ,i.e. adds the procedures to launch to make sure the codec parameters
93 * are valid. Developers wanting to extend the library can add their own validation procedures.
94 */
95 static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
96 opj_event_mgr_t * p_manager);
97
98 /**
99 * Sets up the validation ,i.e. adds the procedures to launch to make sure the codec parameters
100 * are valid. Developers wanting to extend the library can add their own validation procedures.
101 */
102 static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
103 opj_event_mgr_t * p_manager);
104
105 /**
106 * Sets up the validation ,i.e. adds the procedures to launch to make sure the codec parameters
107 * are valid. Developers wanting to extend the library can add their own validation procedures.
108 */
109 static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
110 opj_event_mgr_t * p_manager);
111
112 /**
113 * The mct encoding validation procedure.
114 *
115 * @param p_j2k the jpeg2000 codec to validate.
116 * @param p_stream the input stream to validate.
117 * @param p_manager the user event manager.
118 *
119 * @return true if the parameters are correct.
120 */
121 static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
122 opj_stream_private_t *p_stream,
123 opj_event_mgr_t * p_manager);
124
125 /**
126 * Builds the tcd decoder to use to decode tile.
127 */
128 static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
129 opj_stream_private_t *p_stream,
130 opj_event_mgr_t * p_manager);
131 /**
132 * Builds the tcd encoder to use to encode tile.
133 */
134 static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
135 opj_stream_private_t *p_stream,
136 opj_event_mgr_t * p_manager);
137
138 /**
139 * Creates a tile-coder encoder.
140 *
141 * @param p_stream the stream to write data to.
142 * @param p_j2k J2K codec.
143 * @param p_manager the user event manager.
144 */
145 static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
146 opj_stream_private_t *p_stream,
147 opj_event_mgr_t * p_manager);
148
149 /**
150 * Executes the given procedures on the given codec.
151 *
152 * @param p_procedure_list the list of procedures to execute
153 * @param p_j2k the jpeg2000 codec to execute the procedures on.
154 * @param p_stream the stream to execute the procedures on.
155 * @param p_manager the user manager.
156 *
157 * @return true if all the procedures were successfully executed.
158 */
159 static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
160 opj_procedure_list_t * p_procedure_list,
161 opj_stream_private_t *p_stream,
162 opj_event_mgr_t * p_manager);
163
164 /**
165 * Updates the rates of the tcp.
166 *
167 * @param p_stream the stream to write data to.
168 * @param p_j2k J2K codec.
169 * @param p_manager the user event manager.
170 */
171 static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
172 opj_stream_private_t *p_stream,
173 opj_event_mgr_t * p_manager);
174
175 /**
176 * Copies the decoding tile parameters onto all the tile parameters.
177 * Creates also the tile decoder.
178 */
179 static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
180 opj_stream_private_t *p_stream,
181 opj_event_mgr_t * p_manager);
182
183 /**
184 * Destroys the memory associated with the decoding of headers.
185 */
186 static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
187 opj_stream_private_t *p_stream,
188 opj_event_mgr_t * p_manager);
189
190 /**
191 * Reads the lookup table containing all the marker, status and action, and returns the handler associated
192 * with the marker value.
193 * @param p_id Marker value to look up
194 *
195 * @return the handler associated with the id.
196 */
197 static const struct opj_dec_memory_marker_handler * opj_j2k_get_marker_handler(
198 OPJ_UINT32 p_id);
199
200 /**
201 * Destroys a tile coding parameter structure.
202 *
203 * @param p_tcp the tile coding parameter to destroy.
204 */
205 static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp);
206
207 /**
208 * Destroys the data inside a tile coding parameter structure.
209 *
210 * @param p_tcp the tile coding parameter which contain data to destroy.
211 */
212 static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp);
213
214 /**
215 * Destroys a coding parameter structure.
216 *
217 * @param p_cp the coding parameter to destroy.
218 */
219 static void opj_j2k_cp_destroy(opj_cp_t *p_cp);
220
221 /**
222 * Compare 2 a SPCod/ SPCoc elements, i.e. the coding style of a given component of a tile.
223 *
224 * @param p_j2k J2K codec.
225 * @param p_tile_no Tile number
226 * @param p_first_comp_no The 1st component number to compare.
227 * @param p_second_comp_no The 1st component number to compare.
228 *
229 * @return OPJ_TRUE if SPCdod are equals.
230 */
231 static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
232 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
233
234 /**
235 * Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
236 *
237 * @param p_j2k J2K codec.
238 * @param p_tile_no FIXME DOC
239 * @param p_comp_no the component number to output.
240 * @param p_data FIXME DOC
241 * @param p_header_size FIXME DOC
242 * @param p_manager the user event manager.
243 *
244 * @return FIXME DOC
245 */
246 static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
247 OPJ_UINT32 p_tile_no,
248 OPJ_UINT32 p_comp_no,
249 OPJ_BYTE * p_data,
250 OPJ_UINT32 * p_header_size,
251 opj_event_mgr_t * p_manager);
252
253 /**
254 * Gets the size taken by writing a SPCod or SPCoc for the given tile and component.
255 *
256 * @param p_j2k the J2K codec.
257 * @param p_tile_no the tile index.
258 * @param p_comp_no the component being outputted.
259 *
260 * @return the number of bytes taken by the SPCod element.
261 */
262 static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
263 OPJ_UINT32 p_tile_no,
264 OPJ_UINT32 p_comp_no);
265
266 /**
267 * Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
268 * @param p_j2k the jpeg2000 codec.
269 * @param compno FIXME DOC
270 * @param p_header_data the data contained in the COM box.
271 * @param p_header_size the size of the data contained in the COM marker.
272 * @param p_manager the user event manager.
273 */
274 static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
275 OPJ_UINT32 compno,
276 OPJ_BYTE * p_header_data,
277 OPJ_UINT32 * p_header_size,
278 opj_event_mgr_t * p_manager);
279
280 /**
281 * Gets the size taken by writing SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
282 *
283 * @param p_tile_no the tile index.
284 * @param p_comp_no the component being outputted.
285 * @param p_j2k the J2K codec.
286 *
287 * @return the number of bytes taken by the SPCod element.
288 */
289 static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
290 OPJ_UINT32 p_tile_no,
291 OPJ_UINT32 p_comp_no);
292
293 /**
294 * Compares 2 SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
295 *
296 * @param p_j2k J2K codec.
297 * @param p_tile_no the tile to output.
298 * @param p_first_comp_no the first component number to compare.
299 * @param p_second_comp_no the second component number to compare.
300 *
301 * @return OPJ_TRUE if equals.
302 */
303 static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
304 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
305
306
307 /**
308 * Writes a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
309 *
310 * @param p_tile_no the tile to output.
311 * @param p_comp_no the component number to output.
312 * @param p_data the data buffer.
313 * @param p_header_size pointer to the size of the data buffer, it is changed by the function.
314 * @param p_j2k J2K codec.
315 * @param p_manager the user event manager.
316 *
317 */
318 static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
319 OPJ_UINT32 p_tile_no,
320 OPJ_UINT32 p_comp_no,
321 OPJ_BYTE * p_data,
322 OPJ_UINT32 * p_header_size,
323 opj_event_mgr_t * p_manager);
324
325 /**
326 * Updates the Tile Length Marker.
327 */
328 static void opj_j2k_update_tlm(opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size);
329
330 /**
331 * Reads a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
332 *
333 * @param p_j2k J2K codec.
334 * @param compno the component number to output.
335 * @param p_header_data the data buffer.
336 * @param p_header_size pointer to the size of the data buffer, it is changed by the function.
337 * @param p_manager the user event manager.
338 *
339 */
340 static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
341 OPJ_UINT32 compno,
342 OPJ_BYTE * p_header_data,
343 OPJ_UINT32 * p_header_size,
344 opj_event_mgr_t * p_manager);
345
346 /**
347 * Copies the tile component parameters of all the component from the first tile component.
348 *
349 * @param p_j2k the J2k codec.
350 */
351 static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k);
352
353 /**
354 * Copies the tile quantization parameters of all the component from the first tile component.
355 *
356 * @param p_j2k the J2k codec.
357 */
358 static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k);
359
360 /**
361 * Reads the tiles.
362 */
363 static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
364 opj_stream_private_t *p_stream,
365 opj_event_mgr_t * p_manager);
366
367 static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
368 OPJ_UINT32 p_tile_index,
369 opj_stream_private_t *p_stream,
370 opj_event_mgr_t * p_manager);
371
372 static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
373 opj_image_t* p_output_image);
374
375 static void opj_get_tile_dimensions(opj_image_t * l_image,
376 opj_tcd_tilecomp_t * l_tilec,
377 opj_image_comp_t * l_img_comp,
378 OPJ_UINT32* l_size_comp,
379 OPJ_UINT32* l_width,
380 OPJ_UINT32* l_height,
381 OPJ_UINT32* l_offset_x,
382 OPJ_UINT32* l_offset_y,
383 OPJ_UINT32* l_image_width,
384 OPJ_UINT32* l_stride,
385 OPJ_UINT32* l_tile_offset);
386
387 static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data);
388
389 static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
390 opj_stream_private_t *p_stream,
391 opj_event_mgr_t * p_manager);
392
393 /**
394 * Sets up the procedures to do on writing header.
395 * Developers wanting to extend the library can add their own writing procedures.
396 */
397 static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
398 opj_event_mgr_t * p_manager);
399
400 static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
401 OPJ_BYTE * p_data,
402 OPJ_UINT32 * p_data_written,
403 OPJ_UINT32 total_data_size,
404 opj_stream_private_t *p_stream,
405 struct opj_event_mgr * p_manager);
406
407 static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
408 OPJ_BYTE * p_data,
409 OPJ_UINT32 * p_data_written,
410 OPJ_UINT32 total_data_size,
411 opj_stream_private_t *p_stream,
412 struct opj_event_mgr * p_manager);
413
414 /**
415 * Gets the offset of the header.
416 *
417 * @param p_stream the stream to write data to.
418 * @param p_j2k J2K codec.
419 * @param p_manager the user event manager.
420 */
421 static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
422 opj_stream_private_t *p_stream,
423 opj_event_mgr_t * p_manager);
424
425 static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k);
426
427 /*
428 * -----------------------------------------------------------------------
429 * -----------------------------------------------------------------------
430 * -----------------------------------------------------------------------
431 */
432
433 /**
434 * Writes the SOC marker (Start Of Codestream)
435 *
436 * @param p_stream the stream to write data to.
437 * @param p_j2k J2K codec.
438 * @param p_manager the user event manager.
439 */
440 static OPJ_BOOL opj_j2k_write_soc(opj_j2k_t *p_j2k,
441 opj_stream_private_t *p_stream,
442 opj_event_mgr_t * p_manager);
443
444 /**
445 * Reads a SOC marker (Start of Codestream)
446 * @param p_j2k the jpeg2000 file codec.
447 * @param p_stream XXX needs data
448 * @param p_manager the user event manager.
449 */
450 static OPJ_BOOL opj_j2k_read_soc(opj_j2k_t *p_j2k,
451 opj_stream_private_t *p_stream,
452 opj_event_mgr_t * p_manager);
453
454 /**
455 * Writes the SIZ marker (image and tile size)
456 *
457 * @param p_j2k J2K codec.
458 * @param p_stream the stream to write data to.
459 * @param p_manager the user event manager.
460 */
461 static OPJ_BOOL opj_j2k_write_siz(opj_j2k_t *p_j2k,
462 opj_stream_private_t *p_stream,
463 opj_event_mgr_t * p_manager);
464
465 /**
466 * Reads a SIZ marker (image and tile size)
467 * @param p_j2k the jpeg2000 file codec.
468 * @param p_header_data the data contained in the SIZ box.
469 * @param p_header_size the size of the data contained in the SIZ marker.
470 * @param p_manager the user event manager.
471 */
472 static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
473 OPJ_BYTE * p_header_data,
474 OPJ_UINT32 p_header_size,
475 opj_event_mgr_t * p_manager);
476
477 /**
478 * Writes the COM marker (comment)
479 *
480 * @param p_stream the stream to write data to.
481 * @param p_j2k J2K codec.
482 * @param p_manager the user event manager.
483 */
484 static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
485 opj_stream_private_t *p_stream,
486 opj_event_mgr_t * p_manager);
487
488 /**
489 * Reads a COM marker (comments)
490 * @param p_j2k the jpeg2000 file codec.
491 * @param p_header_data the data contained in the COM box.
492 * @param p_header_size the size of the data contained in the COM marker.
493 * @param p_manager the user event manager.
494 */
495 static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
496 OPJ_BYTE * p_header_data,
497 OPJ_UINT32 p_header_size,
498 opj_event_mgr_t * p_manager);
499 /**
500 * Writes the COD marker (Coding style default)
501 *
502 * @param p_stream the stream to write data to.
503 * @param p_j2k J2K codec.
504 * @param p_manager the user event manager.
505 */
506 static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
507 opj_stream_private_t *p_stream,
508 opj_event_mgr_t * p_manager);
509
510 /**
511 * Reads a COD marker (Coding style defaults)
512 * @param p_header_data the data contained in the COD box.
513 * @param p_j2k the jpeg2000 codec.
514 * @param p_header_size the size of the data contained in the COD marker.
515 * @param p_manager the user event manager.
516 */
517 static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
518 OPJ_BYTE * p_header_data,
519 OPJ_UINT32 p_header_size,
520 opj_event_mgr_t * p_manager);
521
522 /**
523 * Compares 2 COC markers (Coding style component)
524 *
525 * @param p_j2k J2K codec.
526 * @param p_first_comp_no the index of the first component to compare.
527 * @param p_second_comp_no the index of the second component to compare.
528 *
529 * @return OPJ_TRUE if equals
530 */
531 static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
532 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
533
534 /**
535 * Writes the COC marker (Coding style component)
536 *
537 * @param p_j2k J2K codec.
538 * @param p_comp_no the index of the component to output.
539 * @param p_stream the stream to write data to.
540 * @param p_manager the user event manager.
541 */
542 static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
543 OPJ_UINT32 p_comp_no,
544 opj_stream_private_t *p_stream,
545 opj_event_mgr_t * p_manager);
546
547 /**
548 * Writes the COC marker (Coding style component)
549 *
550 * @param p_j2k J2K codec.
551 * @param p_comp_no the index of the component to output.
552 * @param p_data FIXME DOC
553 * @param p_data_written FIXME DOC
554 * @param p_manager the user event manager.
555 */
556 static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
557 OPJ_UINT32 p_comp_no,
558 OPJ_BYTE * p_data,
559 OPJ_UINT32 * p_data_written,
560 opj_event_mgr_t * p_manager);
561
562 /**
563 * Gets the maximum size taken by a coc.
564 *
565 * @param p_j2k the jpeg2000 codec to use.
566 */
567 static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k);
568
569 /**
570 * Reads a COC marker (Coding Style Component)
571 * @param p_header_data the data contained in the COC box.
572 * @param p_j2k the jpeg2000 codec.
573 * @param p_header_size the size of the data contained in the COC marker.
574 * @param p_manager the user event manager.
575 */
576 static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
577 OPJ_BYTE * p_header_data,
578 OPJ_UINT32 p_header_size,
579 opj_event_mgr_t * p_manager);
580
581 /**
582 * Writes the QCD marker (quantization default)
583 *
584 * @param p_j2k J2K codec.
585 * @param p_stream the stream to write data to.
586 * @param p_manager the user event manager.
587 */
588 static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
589 opj_stream_private_t *p_stream,
590 opj_event_mgr_t * p_manager);
591
592 /**
593 * Reads a QCD marker (Quantization defaults)
594 * @param p_header_data the data contained in the QCD box.
595 * @param p_j2k the jpeg2000 codec.
596 * @param p_header_size the size of the data contained in the QCD marker.
597 * @param p_manager the user event manager.
598 */
599 static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
600 OPJ_BYTE * p_header_data,
601 OPJ_UINT32 p_header_size,
602 opj_event_mgr_t * p_manager);
603
604 /**
605 * Compare QCC markers (quantization component)
606 *
607 * @param p_j2k J2K codec.
608 * @param p_first_comp_no the index of the first component to compare.
609 * @param p_second_comp_no the index of the second component to compare.
610 *
611 * @return OPJ_TRUE if equals.
612 */
613 static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
614 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
615
616 /**
617 * Writes the QCC marker (quantization component)
618 *
619 * @param p_comp_no the index of the component to output.
620 * @param p_stream the stream to write data to.
621 * @param p_j2k J2K codec.
622 * @param p_manager the user event manager.
623 */
624 static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
625 OPJ_UINT32 p_comp_no,
626 opj_stream_private_t *p_stream,
627 opj_event_mgr_t * p_manager);
628
629 /**
630 * Writes the QCC marker (quantization component)
631 *
632 * @param p_j2k J2K codec.
633 * @param p_comp_no the index of the component to output.
634 * @param p_data FIXME DOC
635 * @param p_data_written the stream to write data to.
636 * @param p_manager the user event manager.
637 */
638 static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
639 OPJ_UINT32 p_comp_no,
640 OPJ_BYTE * p_data,
641 OPJ_UINT32 * p_data_written,
642 opj_event_mgr_t * p_manager);
643
644 /**
645 * Gets the maximum size taken by a qcc.
646 */
647 static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k);
648
649 /**
650 * Reads a QCC marker (Quantization component)
651 * @param p_header_data the data contained in the QCC box.
652 * @param p_j2k the jpeg2000 codec.
653 * @param p_header_size the size of the data contained in the QCC marker.
654 * @param p_manager the user event manager.
655 */
656 static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
657 OPJ_BYTE * p_header_data,
658 OPJ_UINT32 p_header_size,
659 opj_event_mgr_t * p_manager);
660 /**
661 * Writes the POC marker (Progression Order Change)
662 *
663 * @param p_stream the stream to write data to.
664 * @param p_j2k J2K codec.
665 * @param p_manager the user event manager.
666 */
667 static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
668 opj_stream_private_t *p_stream,
669 opj_event_mgr_t * p_manager);
670 /**
671 * Writes the POC marker (Progression Order Change)
672 *
673 * @param p_j2k J2K codec.
674 * @param p_data FIXME DOC
675 * @param p_data_written the stream to write data to.
676 * @param p_manager the user event manager.
677 */
678 static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
679 OPJ_BYTE * p_data,
680 OPJ_UINT32 * p_data_written,
681 opj_event_mgr_t * p_manager);
682 /**
683 * Gets the maximum size taken by the writing of a POC.
684 */
685 static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k);
686
687 /**
688 * Reads a POC marker (Progression Order Change)
689 *
690 * @param p_header_data the data contained in the POC box.
691 * @param p_j2k the jpeg2000 codec.
692 * @param p_header_size the size of the data contained in the POC marker.
693 * @param p_manager the user event manager.
694 */
695 static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
696 OPJ_BYTE * p_header_data,
697 OPJ_UINT32 p_header_size,
698 opj_event_mgr_t * p_manager);
699
700 /**
701 * Gets the maximum size taken by the toc headers of all the tile parts of any given tile.
702 */
703 static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k);
704
705 /**
706 * Gets the maximum size taken by the headers of the SOT.
707 *
708 * @param p_j2k the jpeg2000 codec to use.
709 */
710 static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k);
711
712 /**
713 * Reads a CRG marker (Component registration)
714 *
715 * @param p_header_data the data contained in the TLM box.
716 * @param p_j2k the jpeg2000 codec.
717 * @param p_header_size the size of the data contained in the TLM marker.
718 * @param p_manager the user event manager.
719 */
720 static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
721 OPJ_BYTE * p_header_data,
722 OPJ_UINT32 p_header_size,
723 opj_event_mgr_t * p_manager);
724 /**
725 * Reads a TLM marker (Tile Length Marker)
726 *
727 * @param p_header_data the data contained in the TLM box.
728 * @param p_j2k the jpeg2000 codec.
729 * @param p_header_size the size of the data contained in the TLM marker.
730 * @param p_manager the user event manager.
731 */
732 static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
733 OPJ_BYTE * p_header_data,
734 OPJ_UINT32 p_header_size,
735 opj_event_mgr_t * p_manager);
736
737 /**
738 * Writes the updated tlm.
739 *
740 * @param p_stream the stream to write data to.
741 * @param p_j2k J2K codec.
742 * @param p_manager the user event manager.
743 */
744 static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
745 opj_stream_private_t *p_stream,
746 opj_event_mgr_t * p_manager);
747
748 /**
749 * Reads a PLM marker (Packet length, main header marker)
750 *
751 * @param p_header_data the data contained in the TLM box.
752 * @param p_j2k the jpeg2000 codec.
753 * @param p_header_size the size of the data contained in the TLM marker.
754 * @param p_manager the user event manager.
755 */
756 static OPJ_BOOL opj_j2k_read_plm(opj_j2k_t *p_j2k,
757 OPJ_BYTE * p_header_data,
758 OPJ_UINT32 p_header_size,
759 opj_event_mgr_t * p_manager);
760 /**
761 * Reads a PLT marker (Packet length, tile-part header)
762 *
763 * @param p_header_data the data contained in the PLT box.
764 * @param p_j2k the jpeg2000 codec.
765 * @param p_header_size the size of the data contained in the PLT marker.
766 * @param p_manager the user event manager.
767 */
768 static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
769 OPJ_BYTE * p_header_data,
770 OPJ_UINT32 p_header_size,
771 opj_event_mgr_t * p_manager);
772
773 /**
774 * Reads a PPM marker (Packed headers, main header)
775 *
776 * @param p_header_data the data contained in the POC box.
777 * @param p_j2k the jpeg2000 codec.
778 * @param p_header_size the size of the data contained in the POC marker.
779 * @param p_manager the user event manager.
780 */
781
782 static OPJ_BOOL opj_j2k_read_ppm(
783 opj_j2k_t *p_j2k,
784 OPJ_BYTE * p_header_data,
785 OPJ_UINT32 p_header_size,
786 opj_event_mgr_t * p_manager);
787
788 /**
789 * Merges all PPM markers read (Packed headers, main header)
790 *
791 * @param p_cp main coding parameters.
792 * @param p_manager the user event manager.
793 */
794 static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager);
795
796 /**
797 * Reads a PPT marker (Packed packet headers, tile-part header)
798 *
799 * @param p_header_data the data contained in the PPT box.
800 * @param p_j2k the jpeg2000 codec.
801 * @param p_header_size the size of the data contained in the PPT marker.
802 * @param p_manager the user event manager.
803 */
804 static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
805 OPJ_BYTE * p_header_data,
806 OPJ_UINT32 p_header_size,
807 opj_event_mgr_t * p_manager);
808
809 /**
810 * Merges all PPT markers read (Packed headers, tile-part header)
811 *
812 * @param p_tcp the tile.
813 * @param p_manager the user event manager.
814 */
815 static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp,
816 opj_event_mgr_t * p_manager);
817
818
819 /**
820 * Writes the TLM marker (Tile Length Marker)
821 *
822 * @param p_stream the stream to write data to.
823 * @param p_j2k J2K codec.
824 * @param p_manager the user event manager.
825 */
826 static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
827 opj_stream_private_t *p_stream,
828 opj_event_mgr_t * p_manager);
829
830 /**
831 * Writes the SOT marker (Start of tile-part)
832 *
833 * @param p_j2k J2K codec.
834 * @param p_data Output buffer
835 * @param total_data_size Output buffer size
836 * @param p_data_written Number of bytes written into stream
837 * @param p_stream the stream to write data to.
838 * @param p_manager the user event manager.
839 */
840 static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
841 OPJ_BYTE * p_data,
842 OPJ_UINT32 total_data_size,
843 OPJ_UINT32 * p_data_written,
844 const opj_stream_private_t *p_stream,
845 opj_event_mgr_t * p_manager);
846
847 /**
848 * Reads values from a SOT marker (Start of tile-part)
849 *
850 * the j2k decoder state is not affected. No side effects, no checks except for p_header_size.
851 *
852 * @param p_header_data the data contained in the SOT marker.
853 * @param p_header_size the size of the data contained in the SOT marker.
854 * @param p_tile_no Isot.
855 * @param p_tot_len Psot.
856 * @param p_current_part TPsot.
857 * @param p_num_parts TNsot.
858 * @param p_manager the user event manager.
859 */
860 static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
861 OPJ_UINT32 p_header_size,
862 OPJ_UINT32* p_tile_no,
863 OPJ_UINT32* p_tot_len,
864 OPJ_UINT32* p_current_part,
865 OPJ_UINT32* p_num_parts,
866 opj_event_mgr_t * p_manager);
867 /**
868 * Reads a SOT marker (Start of tile-part)
869 *
870 * @param p_header_data the data contained in the SOT marker.
871 * @param p_j2k the jpeg2000 codec.
872 * @param p_header_size the size of the data contained in the PPT marker.
873 * @param p_manager the user event manager.
874 */
875 static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
876 OPJ_BYTE * p_header_data,
877 OPJ_UINT32 p_header_size,
878 opj_event_mgr_t * p_manager);
879 /**
880 * Writes the SOD marker (Start of data)
881 *
882 * This also writes optional PLT markers (before SOD)
883 *
884 * @param p_j2k J2K codec.
885 * @param p_tile_coder FIXME DOC
886 * @param p_data FIXME DOC
887 * @param p_data_written FIXME DOC
888 * @param total_data_size FIXME DOC
889 * @param p_stream the stream to write data to.
890 * @param p_manager the user event manager.
891 */
892 static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
893 opj_tcd_t * p_tile_coder,
894 OPJ_BYTE * p_data,
895 OPJ_UINT32 * p_data_written,
896 OPJ_UINT32 total_data_size,
897 const opj_stream_private_t *p_stream,
898 opj_event_mgr_t * p_manager);
899
900 /**
901 * Reads a SOD marker (Start Of Data)
902 *
903 * @param p_j2k the jpeg2000 codec.
904 * @param p_stream FIXME DOC
905 * @param p_manager the user event manager.
906 */
907 static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
908 opj_stream_private_t *p_stream,
909 opj_event_mgr_t * p_manager);
910
opj_j2k_update_tlm(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_part_size)911 static void opj_j2k_update_tlm(opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size)
912 {
913 if (p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte) {
914 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
915 p_j2k->m_current_tile_number, 1);
916 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 1;
917 } else {
918 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
919 p_j2k->m_current_tile_number, 2);
920 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 2;
921 }
922
923 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
924 p_tile_part_size, 4); /* PSOT */
925 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 4;
926 }
927
928 /**
929 * Writes the RGN marker (Region Of Interest)
930 *
931 * @param p_tile_no the tile to output
932 * @param p_comp_no the component to output
933 * @param nb_comps the number of components
934 * @param p_stream the stream to write data to.
935 * @param p_j2k J2K codec.
936 * @param p_manager the user event manager.
937 */
938 static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
939 OPJ_UINT32 p_tile_no,
940 OPJ_UINT32 p_comp_no,
941 OPJ_UINT32 nb_comps,
942 opj_stream_private_t *p_stream,
943 opj_event_mgr_t * p_manager);
944
945 /**
946 * Reads a RGN marker (Region Of Interest)
947 *
948 * @param p_header_data the data contained in the POC box.
949 * @param p_j2k the jpeg2000 codec.
950 * @param p_header_size the size of the data contained in the POC marker.
951 * @param p_manager the user event manager.
952 */
953 static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
954 OPJ_BYTE * p_header_data,
955 OPJ_UINT32 p_header_size,
956 opj_event_mgr_t * p_manager);
957
958 /**
959 * Writes the EOC marker (End of Codestream)
960 *
961 * @param p_stream the stream to write data to.
962 * @param p_j2k J2K codec.
963 * @param p_manager the user event manager.
964 */
965 static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
966 opj_stream_private_t *p_stream,
967 opj_event_mgr_t * p_manager);
968
969 #if 0
970 /**
971 * Reads a EOC marker (End Of Codestream)
972 *
973 * @param p_j2k the jpeg2000 codec.
974 * @param p_stream FIXME DOC
975 * @param p_manager the user event manager.
976 */
977 static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
978 opj_stream_private_t *p_stream,
979 opj_event_mgr_t * p_manager);
980 #endif
981
982 /**
983 * Writes the CBD-MCT-MCC-MCO markers (Multi components transform)
984 *
985 * @param p_stream the stream to write data to.
986 * @param p_j2k J2K codec.
987 * @param p_manager the user event manager.
988 */
989 static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
990 opj_stream_private_t *p_stream,
991 opj_event_mgr_t * p_manager);
992
993 /**
994 * Inits the Info
995 *
996 * @param p_stream the stream to write data to.
997 * @param p_j2k J2K codec.
998 * @param p_manager the user event manager.
999 */
1000 static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
1001 opj_stream_private_t *p_stream,
1002 opj_event_mgr_t * p_manager);
1003
1004 /**
1005 Add main header marker information
1006 @param cstr_index Codestream information structure
1007 @param type marker type
1008 @param pos byte offset of marker segment
1009 @param len length of marker segment
1010 */
1011 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
1012 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) ;
1013 /**
1014 Add tile header marker information
1015 @param tileno tile index number
1016 @param cstr_index Codestream information structure
1017 @param type marker type
1018 @param pos byte offset of marker segment
1019 @param len length of marker segment
1020 */
1021 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
1022 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
1023 OPJ_UINT32 len);
1024
1025 /**
1026 * Reads an unknown marker
1027 *
1028 * @param p_j2k the jpeg2000 codec.
1029 * @param p_stream the stream object to read from.
1030 * @param output_marker FIXME DOC
1031 * @param p_manager the user event manager.
1032 *
1033 * @return true if the marker could be deduced.
1034 */
1035 static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
1036 opj_stream_private_t *p_stream,
1037 OPJ_UINT32 *output_marker,
1038 opj_event_mgr_t * p_manager);
1039
1040 /**
1041 * Writes the MCT marker (Multiple Component Transform)
1042 *
1043 * @param p_j2k J2K codec.
1044 * @param p_mct_record FIXME DOC
1045 * @param p_stream the stream to write data to.
1046 * @param p_manager the user event manager.
1047 */
1048 static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
1049 opj_mct_data_t * p_mct_record,
1050 opj_stream_private_t *p_stream,
1051 opj_event_mgr_t * p_manager);
1052
1053 /**
1054 * Reads a MCT marker (Multiple Component Transform)
1055 *
1056 * @param p_header_data the data contained in the MCT box.
1057 * @param p_j2k the jpeg2000 codec.
1058 * @param p_header_size the size of the data contained in the MCT marker.
1059 * @param p_manager the user event manager.
1060 */
1061 static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
1062 OPJ_BYTE * p_header_data,
1063 OPJ_UINT32 p_header_size,
1064 opj_event_mgr_t * p_manager);
1065
1066 /**
1067 * Writes the MCC marker (Multiple Component Collection)
1068 *
1069 * @param p_j2k J2K codec.
1070 * @param p_mcc_record FIXME DOC
1071 * @param p_stream the stream to write data to.
1072 * @param p_manager the user event manager.
1073 */
1074 static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
1075 opj_simple_mcc_decorrelation_data_t * p_mcc_record,
1076 opj_stream_private_t *p_stream,
1077 opj_event_mgr_t * p_manager);
1078
1079 /**
1080 * Reads a MCC marker (Multiple Component Collection)
1081 *
1082 * @param p_header_data the data contained in the MCC box.
1083 * @param p_j2k the jpeg2000 codec.
1084 * @param p_header_size the size of the data contained in the MCC marker.
1085 * @param p_manager the user event manager.
1086 */
1087 static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
1088 OPJ_BYTE * p_header_data,
1089 OPJ_UINT32 p_header_size,
1090 opj_event_mgr_t * p_manager);
1091
1092 /**
1093 * Writes the MCO marker (Multiple component transformation ordering)
1094 *
1095 * @param p_stream the stream to write data to.
1096 * @param p_j2k J2K codec.
1097 * @param p_manager the user event manager.
1098 */
1099 static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
1100 opj_stream_private_t *p_stream,
1101 opj_event_mgr_t * p_manager);
1102
1103 /**
1104 * Reads a MCO marker (Multiple Component Transform Ordering)
1105 *
1106 * @param p_header_data the data contained in the MCO box.
1107 * @param p_j2k the jpeg2000 codec.
1108 * @param p_header_size the size of the data contained in the MCO marker.
1109 * @param p_manager the user event manager.
1110 */
1111 static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
1112 OPJ_BYTE * p_header_data,
1113 OPJ_UINT32 p_header_size,
1114 opj_event_mgr_t * p_manager);
1115
1116 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
1117 OPJ_UINT32 p_index);
1118
1119 static void opj_j2k_read_int16_to_float(const void * p_src_data,
1120 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1121 static void opj_j2k_read_int32_to_float(const void * p_src_data,
1122 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1123 static void opj_j2k_read_float32_to_float(const void * p_src_data,
1124 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1125 static void opj_j2k_read_float64_to_float(const void * p_src_data,
1126 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1127
1128 static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1129 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1130 static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1131 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1132 static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1133 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1134 static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1135 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1136
1137 static void opj_j2k_write_float_to_int16(const void * p_src_data,
1138 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1139 static void opj_j2k_write_float_to_int32(const void * p_src_data,
1140 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1141 static void opj_j2k_write_float_to_float(const void * p_src_data,
1142 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1143 static void opj_j2k_write_float_to_float64(const void * p_src_data,
1144 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1145
1146 /**
1147 * Ends the encoding, i.e. frees memory.
1148 *
1149 * @param p_stream the stream to write data to.
1150 * @param p_j2k J2K codec.
1151 * @param p_manager the user event manager.
1152 */
1153 static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
1154 opj_stream_private_t *p_stream,
1155 opj_event_mgr_t * p_manager);
1156
1157 /**
1158 * Writes the CBD marker (Component bit depth definition)
1159 *
1160 * @param p_stream the stream to write data to.
1161 * @param p_j2k J2K codec.
1162 * @param p_manager the user event manager.
1163 */
1164 static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
1165 opj_stream_private_t *p_stream,
1166 opj_event_mgr_t * p_manager);
1167
1168 /**
1169 * Reads a CBD marker (Component bit depth definition)
1170 * @param p_header_data the data contained in the CBD box.
1171 * @param p_j2k the jpeg2000 codec.
1172 * @param p_header_size the size of the data contained in the CBD marker.
1173 * @param p_manager the user event manager.
1174 */
1175 static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
1176 OPJ_BYTE * p_header_data,
1177 OPJ_UINT32 p_header_size,
1178 opj_event_mgr_t * p_manager);
1179
1180 /**
1181 * Reads a CAP marker (extended capabilities definition). Empty implementation.
1182 * Found in HTJ2K files
1183 *
1184 * @param p_header_data the data contained in the CAP box.
1185 * @param p_j2k the jpeg2000 codec.
1186 * @param p_header_size the size of the data contained in the CAP marker.
1187 * @param p_manager the user event manager.
1188 */
1189 static OPJ_BOOL opj_j2k_read_cap(opj_j2k_t *p_j2k,
1190 OPJ_BYTE * p_header_data,
1191 OPJ_UINT32 p_header_size,
1192 opj_event_mgr_t * p_manager);
1193
1194 /**
1195 * Reads a CPF marker (corresponding profile). Empty implementation. Found in HTJ2K files
1196 * @param p_header_data the data contained in the CPF box.
1197 * @param p_j2k the jpeg2000 codec.
1198 * @param p_header_size the size of the data contained in the CPF marker.
1199 * @param p_manager the user event manager.
1200 */
1201 static OPJ_BOOL opj_j2k_read_cpf(opj_j2k_t *p_j2k,
1202 OPJ_BYTE * p_header_data,
1203 OPJ_UINT32 p_header_size,
1204 opj_event_mgr_t * p_manager);
1205
1206
1207 /**
1208 * Writes COC marker for each component.
1209 *
1210 * @param p_stream the stream to write data to.
1211 * @param p_j2k J2K codec.
1212 * @param p_manager the user event manager.
1213 */
1214 static OPJ_BOOL opj_j2k_write_all_coc(opj_j2k_t *p_j2k,
1215 opj_stream_private_t *p_stream,
1216 opj_event_mgr_t * p_manager);
1217
1218 /**
1219 * Writes QCC marker for each component.
1220 *
1221 * @param p_stream the stream to write data to.
1222 * @param p_j2k J2K codec.
1223 * @param p_manager the user event manager.
1224 */
1225 static OPJ_BOOL opj_j2k_write_all_qcc(opj_j2k_t *p_j2k,
1226 opj_stream_private_t *p_stream,
1227 opj_event_mgr_t * p_manager);
1228
1229 /**
1230 * Writes regions of interests.
1231 *
1232 * @param p_stream the stream to write data to.
1233 * @param p_j2k J2K codec.
1234 * @param p_manager the user event manager.
1235 */
1236 static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
1237 opj_stream_private_t *p_stream,
1238 opj_event_mgr_t * p_manager);
1239
1240 /**
1241 * Writes EPC ????
1242 *
1243 * @param p_stream the stream to write data to.
1244 * @param p_j2k J2K codec.
1245 * @param p_manager the user event manager.
1246 */
1247 static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
1248 opj_stream_private_t *p_stream,
1249 opj_event_mgr_t * p_manager);
1250
1251 /**
1252 * Checks the progression order changes values. Tells of the poc given as input are valid.
1253 * A nice message is outputted at errors.
1254 *
1255 * @param p_pocs the progression order changes.
1256 * @param tileno the tile number of interest
1257 * @param p_nb_pocs the number of progression order changes.
1258 * @param p_nb_resolutions the number of resolutions.
1259 * @param numcomps the number of components
1260 * @param numlayers the number of layers.
1261 * @param p_manager the user event manager.
1262 *
1263 * @return true if the pocs are valid.
1264 */
1265 static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
1266 OPJ_UINT32 tileno,
1267 OPJ_UINT32 p_nb_pocs,
1268 OPJ_UINT32 p_nb_resolutions,
1269 OPJ_UINT32 numcomps,
1270 OPJ_UINT32 numlayers,
1271 opj_event_mgr_t * p_manager);
1272
1273 /**
1274 * Gets the number of tile parts used for the given change of progression (if any) and the given tile.
1275 *
1276 * @param cp the coding parameters.
1277 * @param pino the offset of the given poc (i.e. its position in the coding parameter).
1278 * @param tileno the given tile.
1279 *
1280 * @return the number of tile parts.
1281 */
1282 static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
1283 OPJ_UINT32 tileno);
1284
1285 /**
1286 * Calculates the total number of tile parts needed by the encoder to
1287 * encode such an image. If not enough memory is available, then the function return false.
1288 *
1289 * @param p_nb_tiles pointer that will hold the number of tile parts.
1290 * @param cp the coding parameters for the image.
1291 * @param image the image to encode.
1292 * @param p_j2k the p_j2k encoder.
1293 * @param p_manager the user event manager.
1294 *
1295 * @return true if the function was successful, false else.
1296 */
1297 static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
1298 opj_cp_t *cp,
1299 OPJ_UINT32 * p_nb_tiles,
1300 opj_image_t *image,
1301 opj_event_mgr_t * p_manager);
1302
1303 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream);
1304
1305 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream);
1306
1307 static opj_codestream_index_t* opj_j2k_create_cstr_index(void);
1308
1309 static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp);
1310
1311 static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp);
1312
1313 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres);
1314
1315 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
1316 opj_image_t *image, opj_event_mgr_t *p_manager);
1317
1318 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
1319 opj_event_mgr_t *p_manager);
1320
1321 static void opj_j2k_set_imf_parameters(opj_cparameters_t *parameters,
1322 opj_image_t *image, opj_event_mgr_t *p_manager);
1323
1324 static OPJ_BOOL opj_j2k_is_imf_compliant(opj_cparameters_t *parameters,
1325 opj_image_t *image,
1326 opj_event_mgr_t *p_manager);
1327
1328 /**
1329 * Checks for invalid number of tile-parts in SOT marker (TPsot==TNsot). See issue 254.
1330 *
1331 * @param p_stream the stream to read data from.
1332 * @param tile_no tile number we're looking for.
1333 * @param p_correction_needed output value. if true, non conformant codestream needs TNsot correction.
1334 * @param p_manager the user event manager.
1335 *
1336 * @return true if the function was successful, false else.
1337 */
1338 static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
1339 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
1340 opj_event_mgr_t * p_manager);
1341
1342 /*@}*/
1343
1344 /*@}*/
1345
1346 /* ----------------------------------------------------------------------- */
1347 typedef struct j2k_prog_order {
1348 OPJ_PROG_ORDER enum_prog;
1349 char str_prog[5];
1350 } j2k_prog_order_t;
1351
1352 static const j2k_prog_order_t j2k_prog_order_list[] = {
1353 {OPJ_CPRL, "CPRL"},
1354 {OPJ_LRCP, "LRCP"},
1355 {OPJ_PCRL, "PCRL"},
1356 {OPJ_RLCP, "RLCP"},
1357 {OPJ_RPCL, "RPCL"},
1358 {(OPJ_PROG_ORDER) - 1, ""}
1359 };
1360
1361 /**
1362 * FIXME DOC
1363 */
1364 static const OPJ_UINT32 MCT_ELEMENT_SIZE [] = {
1365 2,
1366 4,
1367 4,
1368 8
1369 };
1370
1371 typedef void (* opj_j2k_mct_function)(const void * p_src_data,
1372 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1373
1374 static const opj_j2k_mct_function j2k_mct_read_functions_to_float [] = {
1375 opj_j2k_read_int16_to_float,
1376 opj_j2k_read_int32_to_float,
1377 opj_j2k_read_float32_to_float,
1378 opj_j2k_read_float64_to_float
1379 };
1380
1381 static const opj_j2k_mct_function j2k_mct_read_functions_to_int32 [] = {
1382 opj_j2k_read_int16_to_int32,
1383 opj_j2k_read_int32_to_int32,
1384 opj_j2k_read_float32_to_int32,
1385 opj_j2k_read_float64_to_int32
1386 };
1387
1388 static const opj_j2k_mct_function j2k_mct_write_functions_from_float [] = {
1389 opj_j2k_write_float_to_int16,
1390 opj_j2k_write_float_to_int32,
1391 opj_j2k_write_float_to_float,
1392 opj_j2k_write_float_to_float64
1393 };
1394
1395 typedef struct opj_dec_memory_marker_handler {
1396 /** marker value */
1397 OPJ_UINT32 id;
1398 /** value of the state when the marker can appear */
1399 OPJ_UINT32 states;
1400 /** action linked to the marker */
1401 OPJ_BOOL(*handler)(opj_j2k_t *p_j2k,
1402 OPJ_BYTE * p_header_data,
1403 OPJ_UINT32 p_header_size,
1404 opj_event_mgr_t * p_manager);
1405 }
1406 opj_dec_memory_marker_handler_t;
1407
1408 static const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab [] =
1409 {
1410 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, opj_j2k_read_sot},
1411 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_cod},
1412 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_coc},
1413 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_rgn},
1414 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcd},
1415 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcc},
1416 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_poc},
1417 {J2K_MS_SIZ, J2K_STATE_MHSIZ, opj_j2k_read_siz},
1418 {J2K_MS_TLM, J2K_STATE_MH, opj_j2k_read_tlm},
1419 {J2K_MS_PLM, J2K_STATE_MH, opj_j2k_read_plm},
1420 {J2K_MS_PLT, J2K_STATE_TPH, opj_j2k_read_plt},
1421 {J2K_MS_PPM, J2K_STATE_MH, opj_j2k_read_ppm},
1422 {J2K_MS_PPT, J2K_STATE_TPH, opj_j2k_read_ppt},
1423 {J2K_MS_SOP, 0, 0},
1424 {J2K_MS_CRG, J2K_STATE_MH, opj_j2k_read_crg},
1425 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_com},
1426 {J2K_MS_MCT, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mct},
1427 {J2K_MS_CBD, J2K_STATE_MH, opj_j2k_read_cbd},
1428 {J2K_MS_CAP, J2K_STATE_MH, opj_j2k_read_cap},
1429 {J2K_MS_CPF, J2K_STATE_MH, opj_j2k_read_cpf},
1430 {J2K_MS_MCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mcc},
1431 {J2K_MS_MCO, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mco},
1432 #ifdef USE_JPWL
1433 #ifdef TODO_MS /* remove these functions which are not compatible with the v2 API */
1434 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1435 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1436 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1437 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1438 #endif
1439 #endif /* USE_JPWL */
1440 #ifdef USE_JPSEC
1441 {J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec},
1442 {J2K_MS_INSEC, 0, j2k_read_insec}
1443 #endif /* USE_JPSEC */
1444 {J2K_MS_UNK, J2K_STATE_MH | J2K_STATE_TPH, 0}/*opj_j2k_read_unk is directly used*/
1445 };
1446
opj_j2k_read_int16_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1447 static void opj_j2k_read_int16_to_float(const void * p_src_data,
1448 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1449 {
1450 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1451 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1452 OPJ_UINT32 i;
1453 OPJ_UINT32 l_temp;
1454
1455 for (i = 0; i < p_nb_elem; ++i) {
1456 opj_read_bytes(l_src_data, &l_temp, 2);
1457
1458 l_src_data += sizeof(OPJ_INT16);
1459
1460 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1461 }
1462 }
1463
opj_j2k_read_int32_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1464 static void opj_j2k_read_int32_to_float(const void * p_src_data,
1465 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1466 {
1467 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1468 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1469 OPJ_UINT32 i;
1470 OPJ_UINT32 l_temp;
1471
1472 for (i = 0; i < p_nb_elem; ++i) {
1473 opj_read_bytes(l_src_data, &l_temp, 4);
1474
1475 l_src_data += sizeof(OPJ_INT32);
1476
1477 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1478 }
1479 }
1480
opj_j2k_read_float32_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1481 static void opj_j2k_read_float32_to_float(const void * p_src_data,
1482 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1483 {
1484 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1485 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1486 OPJ_UINT32 i;
1487 OPJ_FLOAT32 l_temp;
1488
1489 for (i = 0; i < p_nb_elem; ++i) {
1490 opj_read_float(l_src_data, &l_temp);
1491
1492 l_src_data += sizeof(OPJ_FLOAT32);
1493
1494 *(l_dest_data++) = l_temp;
1495 }
1496 }
1497
opj_j2k_read_float64_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1498 static void opj_j2k_read_float64_to_float(const void * p_src_data,
1499 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1500 {
1501 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1502 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1503 OPJ_UINT32 i;
1504 OPJ_FLOAT64 l_temp;
1505
1506 for (i = 0; i < p_nb_elem; ++i) {
1507 opj_read_double(l_src_data, &l_temp);
1508
1509 l_src_data += sizeof(OPJ_FLOAT64);
1510
1511 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1512 }
1513 }
1514
opj_j2k_read_int16_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1515 static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1516 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1517 {
1518 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1519 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1520 OPJ_UINT32 i;
1521 OPJ_UINT32 l_temp;
1522
1523 for (i = 0; i < p_nb_elem; ++i) {
1524 opj_read_bytes(l_src_data, &l_temp, 2);
1525
1526 l_src_data += sizeof(OPJ_INT16);
1527
1528 *(l_dest_data++) = (OPJ_INT32) l_temp;
1529 }
1530 }
1531
opj_j2k_read_int32_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1532 static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1533 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1534 {
1535 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1536 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1537 OPJ_UINT32 i;
1538 OPJ_UINT32 l_temp;
1539
1540 for (i = 0; i < p_nb_elem; ++i) {
1541 opj_read_bytes(l_src_data, &l_temp, 4);
1542
1543 l_src_data += sizeof(OPJ_INT32);
1544
1545 *(l_dest_data++) = (OPJ_INT32) l_temp;
1546 }
1547 }
1548
opj_j2k_read_float32_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1549 static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1550 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1551 {
1552 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1553 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1554 OPJ_UINT32 i;
1555 OPJ_FLOAT32 l_temp;
1556
1557 for (i = 0; i < p_nb_elem; ++i) {
1558 opj_read_float(l_src_data, &l_temp);
1559
1560 l_src_data += sizeof(OPJ_FLOAT32);
1561
1562 *(l_dest_data++) = (OPJ_INT32) l_temp;
1563 }
1564 }
1565
opj_j2k_read_float64_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1566 static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1567 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1568 {
1569 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1570 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1571 OPJ_UINT32 i;
1572 OPJ_FLOAT64 l_temp;
1573
1574 for (i = 0; i < p_nb_elem; ++i) {
1575 opj_read_double(l_src_data, &l_temp);
1576
1577 l_src_data += sizeof(OPJ_FLOAT64);
1578
1579 *(l_dest_data++) = (OPJ_INT32) l_temp;
1580 }
1581 }
1582
opj_j2k_write_float_to_int16(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1583 static void opj_j2k_write_float_to_int16(const void * p_src_data,
1584 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1585 {
1586 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1587 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1588 OPJ_UINT32 i;
1589 OPJ_UINT32 l_temp;
1590
1591 for (i = 0; i < p_nb_elem; ++i) {
1592 l_temp = (OPJ_UINT32) * (l_src_data++);
1593
1594 opj_write_bytes(l_dest_data, l_temp, sizeof(OPJ_INT16));
1595
1596 l_dest_data += sizeof(OPJ_INT16);
1597 }
1598 }
1599
opj_j2k_write_float_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1600 static void opj_j2k_write_float_to_int32(const void * p_src_data,
1601 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1602 {
1603 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1604 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1605 OPJ_UINT32 i;
1606 OPJ_UINT32 l_temp;
1607
1608 for (i = 0; i < p_nb_elem; ++i) {
1609 l_temp = (OPJ_UINT32) * (l_src_data++);
1610
1611 opj_write_bytes(l_dest_data, l_temp, sizeof(OPJ_INT32));
1612
1613 l_dest_data += sizeof(OPJ_INT32);
1614 }
1615 }
1616
opj_j2k_write_float_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1617 static void opj_j2k_write_float_to_float(const void * p_src_data,
1618 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1619 {
1620 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1621 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1622 OPJ_UINT32 i;
1623 OPJ_FLOAT32 l_temp;
1624
1625 for (i = 0; i < p_nb_elem; ++i) {
1626 l_temp = (OPJ_FLOAT32) * (l_src_data++);
1627
1628 opj_write_float(l_dest_data, l_temp);
1629
1630 l_dest_data += sizeof(OPJ_FLOAT32);
1631 }
1632 }
1633
opj_j2k_write_float_to_float64(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1634 static void opj_j2k_write_float_to_float64(const void * p_src_data,
1635 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1636 {
1637 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1638 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1639 OPJ_UINT32 i;
1640 OPJ_FLOAT64 l_temp;
1641
1642 for (i = 0; i < p_nb_elem; ++i) {
1643 l_temp = (OPJ_FLOAT64) * (l_src_data++);
1644
1645 opj_write_double(l_dest_data, l_temp);
1646
1647 l_dest_data += sizeof(OPJ_FLOAT64);
1648 }
1649 }
1650
opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)1651 const char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)
1652 {
1653 const j2k_prog_order_t *po;
1654 for (po = j2k_prog_order_list; po->enum_prog != -1; po++) {
1655 if (po->enum_prog == prg_order) {
1656 return po->str_prog;
1657 }
1658 }
1659 return po->str_prog;
1660 }
1661
opj_j2k_check_poc_val(const opj_poc_t * p_pocs,OPJ_UINT32 tileno,OPJ_UINT32 p_nb_pocs,OPJ_UINT32 p_nb_resolutions,OPJ_UINT32 p_num_comps,OPJ_UINT32 p_num_layers,opj_event_mgr_t * p_manager)1662 static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
1663 OPJ_UINT32 tileno,
1664 OPJ_UINT32 p_nb_pocs,
1665 OPJ_UINT32 p_nb_resolutions,
1666 OPJ_UINT32 p_num_comps,
1667 OPJ_UINT32 p_num_layers,
1668 opj_event_mgr_t * p_manager)
1669 {
1670 OPJ_UINT32* packet_array;
1671 OPJ_UINT32 index, resno, compno, layno;
1672 OPJ_UINT32 i;
1673 OPJ_UINT32 step_c = 1;
1674 OPJ_UINT32 step_r = p_num_comps * step_c;
1675 OPJ_UINT32 step_l = p_nb_resolutions * step_r;
1676 OPJ_BOOL loss = OPJ_FALSE;
1677
1678 assert(p_nb_pocs > 0);
1679
1680 packet_array = (OPJ_UINT32*) opj_calloc((size_t)step_l * p_num_layers,
1681 sizeof(OPJ_UINT32));
1682 if (packet_array == 00) {
1683 opj_event_msg(p_manager, EVT_ERROR,
1684 "Not enough memory for checking the poc values.\n");
1685 return OPJ_FALSE;
1686 }
1687
1688 /* iterate through all the pocs that match our tile of interest. */
1689 for (i = 0; i < p_nb_pocs; ++i) {
1690 const opj_poc_t *poc = &p_pocs[i];
1691 if (tileno + 1 == poc->tile) {
1692 index = step_r * poc->resno0;
1693
1694 /* take each resolution for each poc */
1695 for (resno = poc->resno0 ;
1696 resno < opj_uint_min(poc->resno1, p_nb_resolutions); ++resno) {
1697 OPJ_UINT32 res_index = index + poc->compno0 * step_c;
1698
1699 /* take each comp of each resolution for each poc */
1700 for (compno = poc->compno0 ;
1701 compno < opj_uint_min(poc->compno1, p_num_comps); ++compno) {
1702 /* The layer index always starts at zero for every progression. */
1703 const OPJ_UINT32 layno0 = 0;
1704 OPJ_UINT32 comp_index = res_index + layno0 * step_l;
1705
1706 /* and finally take each layer of each res of ... */
1707 for (layno = layno0; layno < opj_uint_min(poc->layno1, p_num_layers);
1708 ++layno) {
1709 packet_array[comp_index] = 1;
1710 comp_index += step_l;
1711 }
1712
1713 res_index += step_c;
1714 }
1715
1716 index += step_r;
1717 }
1718 }
1719 }
1720
1721 index = 0;
1722 for (layno = 0; layno < p_num_layers ; ++layno) {
1723 for (resno = 0; resno < p_nb_resolutions; ++resno) {
1724 for (compno = 0; compno < p_num_comps; ++compno) {
1725 loss |= (packet_array[index] != 1);
1726 #ifdef DEBUG_VERBOSE
1727 if (packet_array[index] != 1) {
1728 fprintf(stderr,
1729 "Missing packet in POC: layno=%d resno=%d compno=%d\n",
1730 layno, resno, compno);
1731 }
1732 #endif
1733 index += step_c;
1734 }
1735 }
1736 }
1737
1738 if (loss) {
1739 opj_event_msg(p_manager, EVT_ERROR, "Missing packets possible loss of data\n");
1740 }
1741
1742 opj_free(packet_array);
1743
1744 return !loss;
1745 }
1746
1747 /* ----------------------------------------------------------------------- */
1748
opj_j2k_get_num_tp(opj_cp_t * cp,OPJ_UINT32 pino,OPJ_UINT32 tileno)1749 static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
1750 OPJ_UINT32 tileno)
1751 {
1752 const OPJ_CHAR *prog = 00;
1753 OPJ_INT32 i;
1754 OPJ_UINT32 tpnum = 1;
1755 opj_tcp_t *tcp = 00;
1756 opj_poc_t * l_current_poc = 00;
1757
1758 /* preconditions */
1759 assert(tileno < (cp->tw * cp->th));
1760 assert(pino < (cp->tcps[tileno].numpocs + 1));
1761
1762 /* get the given tile coding parameter */
1763 tcp = &cp->tcps[tileno];
1764 assert(tcp != 00);
1765
1766 l_current_poc = &(tcp->pocs[pino]);
1767 assert(l_current_poc != 0);
1768
1769 /* get the progression order as a character string */
1770 prog = opj_j2k_convert_progression_order(tcp->prg);
1771 assert(strlen(prog) > 0);
1772
1773 if (cp->m_specific_param.m_enc.m_tp_on == 1) {
1774 for (i = 0; i < 4; ++i) {
1775 switch (prog[i]) {
1776 /* component wise */
1777 case 'C':
1778 tpnum *= l_current_poc->compE;
1779 break;
1780 /* resolution wise */
1781 case 'R':
1782 tpnum *= l_current_poc->resE;
1783 break;
1784 /* precinct wise */
1785 case 'P':
1786 tpnum *= l_current_poc->prcE;
1787 break;
1788 /* layer wise */
1789 case 'L':
1790 tpnum *= l_current_poc->layE;
1791 break;
1792 }
1793 /* would we split here ? */
1794 if (cp->m_specific_param.m_enc.m_tp_flag == prog[i]) {
1795 cp->m_specific_param.m_enc.m_tp_pos = i;
1796 break;
1797 }
1798 }
1799 } else {
1800 tpnum = 1;
1801 }
1802
1803 return tpnum;
1804 }
1805
opj_j2k_calculate_tp(opj_j2k_t * p_j2k,opj_cp_t * cp,OPJ_UINT32 * p_nb_tiles,opj_image_t * image,opj_event_mgr_t * p_manager)1806 static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
1807 opj_cp_t *cp,
1808 OPJ_UINT32 * p_nb_tiles,
1809 opj_image_t *image,
1810 opj_event_mgr_t * p_manager
1811 )
1812 {
1813 OPJ_UINT32 pino, tileno;
1814 OPJ_UINT32 l_nb_tiles;
1815 opj_tcp_t *tcp;
1816
1817 /* preconditions */
1818 assert(p_nb_tiles != 00);
1819 assert(cp != 00);
1820 assert(image != 00);
1821 assert(p_j2k != 00);
1822 assert(p_manager != 00);
1823
1824 OPJ_UNUSED(p_j2k);
1825 OPJ_UNUSED(p_manager);
1826
1827 l_nb_tiles = cp->tw * cp->th;
1828 * p_nb_tiles = 0;
1829 tcp = cp->tcps;
1830
1831 /* INDEX >> */
1832 /* TODO mergeV2: check this part which use cstr_info */
1833 /*if (p_j2k->cstr_info) {
1834 opj_tile_info_t * l_info_tile_ptr = p_j2k->cstr_info->tile;
1835
1836 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1837 OPJ_UINT32 cur_totnum_tp = 0;
1838
1839 opj_pi_update_encoding_parameters(image,cp,tileno);
1840
1841 for (pino = 0; pino <= tcp->numpocs; ++pino)
1842 {
1843 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp,pino,tileno);
1844
1845 *p_nb_tiles = *p_nb_tiles + tp_num;
1846
1847 cur_totnum_tp += tp_num;
1848 }
1849
1850 tcp->m_nb_tile_parts = cur_totnum_tp;
1851
1852 l_info_tile_ptr->tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
1853 if (l_info_tile_ptr->tp == 00) {
1854 return OPJ_FALSE;
1855 }
1856
1857 memset(l_info_tile_ptr->tp,0,cur_totnum_tp * sizeof(opj_tp_info_t));
1858
1859 l_info_tile_ptr->num_tps = cur_totnum_tp;
1860
1861 ++l_info_tile_ptr;
1862 ++tcp;
1863 }
1864 }
1865 else */{
1866 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1867 OPJ_UINT32 cur_totnum_tp = 0;
1868
1869 opj_pi_update_encoding_parameters(image, cp, tileno);
1870
1871 for (pino = 0; pino <= tcp->numpocs; ++pino) {
1872 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp, pino, tileno);
1873
1874 *p_nb_tiles = *p_nb_tiles + tp_num;
1875
1876 cur_totnum_tp += tp_num;
1877 }
1878 tcp->m_nb_tile_parts = cur_totnum_tp;
1879
1880 ++tcp;
1881 }
1882 }
1883
1884 return OPJ_TRUE;
1885 }
1886
opj_j2k_write_soc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1887 static OPJ_BOOL opj_j2k_write_soc(opj_j2k_t *p_j2k,
1888 opj_stream_private_t *p_stream,
1889 opj_event_mgr_t * p_manager)
1890 {
1891 /* 2 bytes will be written */
1892 OPJ_BYTE * l_start_stream = 00;
1893
1894 /* preconditions */
1895 assert(p_stream != 00);
1896 assert(p_j2k != 00);
1897 assert(p_manager != 00);
1898
1899 l_start_stream = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
1900
1901 /* write SOC identifier */
1902 opj_write_bytes(l_start_stream, J2K_MS_SOC, 2);
1903
1904 if (opj_stream_write_data(p_stream, l_start_stream, 2, p_manager) != 2) {
1905 return OPJ_FALSE;
1906 }
1907
1908 /* UniPG>> */
1909 #ifdef USE_JPWL
1910 /* update markers struct */
1911 /*
1912 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOC, p_stream_tell(p_stream) - 2, 2);
1913 */
1914 assert(0 && "TODO");
1915 #endif /* USE_JPWL */
1916 /* <<UniPG */
1917
1918 return OPJ_TRUE;
1919 }
1920
1921 /**
1922 * Reads a SOC marker (Start of Codestream)
1923 * @param p_j2k the jpeg2000 file codec.
1924 * @param p_stream FIXME DOC
1925 * @param p_manager the user event manager.
1926 */
opj_j2k_read_soc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1927 static OPJ_BOOL opj_j2k_read_soc(opj_j2k_t *p_j2k,
1928 opj_stream_private_t *p_stream,
1929 opj_event_mgr_t * p_manager
1930 )
1931 {
1932 OPJ_BYTE l_data [2];
1933 OPJ_UINT32 l_marker;
1934
1935 /* preconditions */
1936 assert(p_j2k != 00);
1937 assert(p_manager != 00);
1938 assert(p_stream != 00);
1939
1940 if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
1941 return OPJ_FALSE;
1942 }
1943
1944 opj_read_bytes(l_data, &l_marker, 2);
1945 if (l_marker != J2K_MS_SOC) {
1946 return OPJ_FALSE;
1947 }
1948
1949 /* Next marker should be a SIZ marker in the main header */
1950 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSIZ;
1951
1952 /* FIXME move it in a index structure included in p_j2k*/
1953 p_j2k->cstr_index->main_head_start = opj_stream_tell(p_stream) - 2;
1954
1955 opj_event_msg(p_manager, EVT_INFO,
1956 "Start to read j2k main header (%" PRId64 ").\n",
1957 p_j2k->cstr_index->main_head_start);
1958
1959 /* Add the marker to the codestream index*/
1960 if (OPJ_FALSE == opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_SOC,
1961 p_j2k->cstr_index->main_head_start, 2)) {
1962 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
1963 return OPJ_FALSE;
1964 }
1965 return OPJ_TRUE;
1966 }
1967
opj_j2k_write_siz(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1968 static OPJ_BOOL opj_j2k_write_siz(opj_j2k_t *p_j2k,
1969 opj_stream_private_t *p_stream,
1970 opj_event_mgr_t * p_manager)
1971 {
1972 OPJ_UINT32 i;
1973 OPJ_UINT32 l_size_len;
1974 OPJ_BYTE * l_current_ptr;
1975 opj_image_t * l_image = 00;
1976 opj_cp_t *cp = 00;
1977 opj_image_comp_t * l_img_comp = 00;
1978
1979 /* preconditions */
1980 assert(p_stream != 00);
1981 assert(p_j2k != 00);
1982 assert(p_manager != 00);
1983
1984 l_image = p_j2k->m_private_image;
1985 cp = &(p_j2k->m_cp);
1986 l_size_len = 40 + 3 * l_image->numcomps;
1987 l_img_comp = l_image->comps;
1988
1989 if (l_size_len > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
1990
1991 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
1992 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len);
1993 if (! new_header_tile_data) {
1994 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
1995 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
1996 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
1997 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory for the SIZ marker\n");
1998 return OPJ_FALSE;
1999 }
2000 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2001 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_size_len;
2002 }
2003
2004 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2005
2006 /* write SOC identifier */
2007 opj_write_bytes(l_current_ptr, J2K_MS_SIZ, 2); /* SIZ */
2008 l_current_ptr += 2;
2009
2010 opj_write_bytes(l_current_ptr, l_size_len - 2, 2); /* L_SIZ */
2011 l_current_ptr += 2;
2012
2013 opj_write_bytes(l_current_ptr, cp->rsiz, 2); /* Rsiz (capabilities) */
2014 l_current_ptr += 2;
2015
2016 opj_write_bytes(l_current_ptr, l_image->x1, 4); /* Xsiz */
2017 l_current_ptr += 4;
2018
2019 opj_write_bytes(l_current_ptr, l_image->y1, 4); /* Ysiz */
2020 l_current_ptr += 4;
2021
2022 opj_write_bytes(l_current_ptr, l_image->x0, 4); /* X0siz */
2023 l_current_ptr += 4;
2024
2025 opj_write_bytes(l_current_ptr, l_image->y0, 4); /* Y0siz */
2026 l_current_ptr += 4;
2027
2028 opj_write_bytes(l_current_ptr, cp->tdx, 4); /* XTsiz */
2029 l_current_ptr += 4;
2030
2031 opj_write_bytes(l_current_ptr, cp->tdy, 4); /* YTsiz */
2032 l_current_ptr += 4;
2033
2034 opj_write_bytes(l_current_ptr, cp->tx0, 4); /* XT0siz */
2035 l_current_ptr += 4;
2036
2037 opj_write_bytes(l_current_ptr, cp->ty0, 4); /* YT0siz */
2038 l_current_ptr += 4;
2039
2040 opj_write_bytes(l_current_ptr, l_image->numcomps, 2); /* Csiz */
2041 l_current_ptr += 2;
2042
2043 for (i = 0; i < l_image->numcomps; ++i) {
2044 /* TODO here with MCT ? */
2045 opj_write_bytes(l_current_ptr, l_img_comp->prec - 1 + (l_img_comp->sgnd << 7),
2046 1); /* Ssiz_i */
2047 ++l_current_ptr;
2048
2049 opj_write_bytes(l_current_ptr, l_img_comp->dx, 1); /* XRsiz_i */
2050 ++l_current_ptr;
2051
2052 opj_write_bytes(l_current_ptr, l_img_comp->dy, 1); /* YRsiz_i */
2053 ++l_current_ptr;
2054
2055 ++l_img_comp;
2056 }
2057
2058 if (opj_stream_write_data(p_stream,
2059 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len,
2060 p_manager) != l_size_len) {
2061 return OPJ_FALSE;
2062 }
2063
2064 return OPJ_TRUE;
2065 }
2066
2067 /**
2068 * Reads a SIZ marker (image and tile size)
2069 * @param p_j2k the jpeg2000 file codec.
2070 * @param p_header_data the data contained in the SIZ box.
2071 * @param p_header_size the size of the data contained in the SIZ marker.
2072 * @param p_manager the user event manager.
2073 */
opj_j2k_read_siz(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)2074 static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
2075 OPJ_BYTE * p_header_data,
2076 OPJ_UINT32 p_header_size,
2077 opj_event_mgr_t * p_manager
2078 )
2079 {
2080 OPJ_UINT32 i;
2081 OPJ_UINT32 l_nb_comp;
2082 OPJ_UINT32 l_nb_comp_remain;
2083 OPJ_UINT32 l_remaining_size;
2084 OPJ_UINT32 l_nb_tiles;
2085 OPJ_UINT32 l_tmp, l_tx1, l_ty1;
2086 OPJ_UINT32 l_prec0, l_sgnd0;
2087 opj_image_t *l_image = 00;
2088 opj_cp_t *l_cp = 00;
2089 opj_image_comp_t * l_img_comp = 00;
2090 opj_tcp_t * l_current_tile_param = 00;
2091
2092 /* preconditions */
2093 assert(p_j2k != 00);
2094 assert(p_manager != 00);
2095 assert(p_header_data != 00);
2096
2097 l_image = p_j2k->m_private_image;
2098 l_cp = &(p_j2k->m_cp);
2099
2100 /* minimum size == 39 - 3 (= minimum component parameter) */
2101 if (p_header_size < 36) {
2102 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
2103 return OPJ_FALSE;
2104 }
2105
2106 l_remaining_size = p_header_size - 36;
2107 l_nb_comp = l_remaining_size / 3;
2108 l_nb_comp_remain = l_remaining_size % 3;
2109 if (l_nb_comp_remain != 0) {
2110 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
2111 return OPJ_FALSE;
2112 }
2113
2114 opj_read_bytes(p_header_data, &l_tmp,
2115 2); /* Rsiz (capabilities) */
2116 p_header_data += 2;
2117 l_cp->rsiz = (OPJ_UINT16) l_tmp;
2118 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x1, 4); /* Xsiz */
2119 p_header_data += 4;
2120 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y1, 4); /* Ysiz */
2121 p_header_data += 4;
2122 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x0, 4); /* X0siz */
2123 p_header_data += 4;
2124 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y0, 4); /* Y0siz */
2125 p_header_data += 4;
2126 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdx,
2127 4); /* XTsiz */
2128 p_header_data += 4;
2129 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdy,
2130 4); /* YTsiz */
2131 p_header_data += 4;
2132 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tx0,
2133 4); /* XT0siz */
2134 p_header_data += 4;
2135 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->ty0,
2136 4); /* YT0siz */
2137 p_header_data += 4;
2138 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_tmp,
2139 2); /* Csiz */
2140 p_header_data += 2;
2141 if (l_tmp < 16385) {
2142 l_image->numcomps = (OPJ_UINT16) l_tmp;
2143 } else {
2144 opj_event_msg(p_manager, EVT_ERROR,
2145 "Error with SIZ marker: number of component is illegal -> %d\n", l_tmp);
2146 return OPJ_FALSE;
2147 }
2148
2149 if (l_image->numcomps != l_nb_comp) {
2150 opj_event_msg(p_manager, EVT_ERROR,
2151 "Error with SIZ marker: number of component is not compatible with the remaining number of parameters ( %d vs %d)\n",
2152 l_image->numcomps, l_nb_comp);
2153 return OPJ_FALSE;
2154 }
2155
2156 /* testcase 4035.pdf.SIGSEGV.d8b.3375 */
2157 /* testcase issue427-null-image-size.jp2 */
2158 if ((l_image->x0 >= l_image->x1) || (l_image->y0 >= l_image->y1)) {
2159 opj_event_msg(p_manager, EVT_ERROR,
2160 "Error with SIZ marker: negative or zero image size (%" PRId64 " x %" PRId64
2161 ")\n", (OPJ_INT64)l_image->x1 - l_image->x0,
2162 (OPJ_INT64)l_image->y1 - l_image->y0);
2163 return OPJ_FALSE;
2164 }
2165 /* testcase 2539.pdf.SIGFPE.706.1712 (also 3622.pdf.SIGFPE.706.2916 and 4008.pdf.SIGFPE.706.3345 and maybe more) */
2166 if ((l_cp->tdx == 0U) || (l_cp->tdy == 0U)) {
2167 opj_event_msg(p_manager, EVT_ERROR,
2168 "Error with SIZ marker: invalid tile size (tdx: %d, tdy: %d)\n", l_cp->tdx,
2169 l_cp->tdy);
2170 return OPJ_FALSE;
2171 }
2172
2173 /* testcase issue427-illegal-tile-offset.jp2 */
2174 l_tx1 = opj_uint_adds(l_cp->tx0, l_cp->tdx); /* manage overflow */
2175 l_ty1 = opj_uint_adds(l_cp->ty0, l_cp->tdy); /* manage overflow */
2176 if ((l_cp->tx0 > l_image->x0) || (l_cp->ty0 > l_image->y0) ||
2177 (l_tx1 <= l_image->x0) || (l_ty1 <= l_image->y0)) {
2178 opj_event_msg(p_manager, EVT_ERROR,
2179 "Error with SIZ marker: illegal tile offset\n");
2180 return OPJ_FALSE;
2181 }
2182 if (!p_j2k->dump_state) {
2183 OPJ_UINT32 siz_w, siz_h;
2184
2185 siz_w = l_image->x1 - l_image->x0;
2186 siz_h = l_image->y1 - l_image->y0;
2187
2188 if (p_j2k->ihdr_w > 0 && p_j2k->ihdr_h > 0
2189 && (p_j2k->ihdr_w != siz_w || p_j2k->ihdr_h != siz_h)) {
2190 opj_event_msg(p_manager, EVT_ERROR,
2191 "Error with SIZ marker: IHDR w(%u) h(%u) vs. SIZ w(%u) h(%u)\n", p_j2k->ihdr_w,
2192 p_j2k->ihdr_h, siz_w, siz_h);
2193 return OPJ_FALSE;
2194 }
2195 }
2196 #ifdef USE_JPWL
2197 if (l_cp->correct) {
2198 /* if JPWL is on, we check whether TX errors have damaged
2199 too much the SIZ parameters */
2200 if (!(l_image->x1 * l_image->y1)) {
2201 opj_event_msg(p_manager, EVT_ERROR,
2202 "JPWL: bad image size (%d x %d)\n",
2203 l_image->x1, l_image->y1);
2204 if (!JPWL_ASSUME) {
2205 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2206 return OPJ_FALSE;
2207 }
2208 }
2209
2210 /* FIXME check previously in the function so why keep this piece of code ? Need by the norm ?
2211 if (l_image->numcomps != ((len - 38) / 3)) {
2212 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2213 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
2214 l_image->numcomps, ((len - 38) / 3));
2215 if (!JPWL_ASSUME) {
2216 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2217 return OPJ_FALSE;
2218 }
2219 */ /* we try to correct */
2220 /* opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n");
2221 if (l_image->numcomps < ((len - 38) / 3)) {
2222 len = 38 + 3 * l_image->numcomps;
2223 opj_event_msg(p_manager, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
2224 len);
2225 } else {
2226 l_image->numcomps = ((len - 38) / 3);
2227 opj_event_msg(p_manager, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
2228 l_image->numcomps);
2229 }
2230 }
2231 */
2232
2233 /* update components number in the jpwl_exp_comps filed */
2234 l_cp->exp_comps = l_image->numcomps;
2235 }
2236 #endif /* USE_JPWL */
2237
2238 /* Allocate the resulting image components */
2239 l_image->comps = (opj_image_comp_t*) opj_calloc(l_image->numcomps,
2240 sizeof(opj_image_comp_t));
2241 if (l_image->comps == 00) {
2242 l_image->numcomps = 0;
2243 opj_event_msg(p_manager, EVT_ERROR,
2244 "Not enough memory to take in charge SIZ marker\n");
2245 return OPJ_FALSE;
2246 }
2247
2248 l_img_comp = l_image->comps;
2249
2250 l_prec0 = 0;
2251 l_sgnd0 = 0;
2252 /* Read the component information */
2253 for (i = 0; i < l_image->numcomps; ++i) {
2254 OPJ_UINT32 tmp;
2255 opj_read_bytes(p_header_data, &tmp, 1); /* Ssiz_i */
2256 ++p_header_data;
2257 l_img_comp->prec = (tmp & 0x7f) + 1;
2258 l_img_comp->sgnd = tmp >> 7;
2259
2260 if (p_j2k->dump_state == 0) {
2261 if (i == 0) {
2262 l_prec0 = l_img_comp->prec;
2263 l_sgnd0 = l_img_comp->sgnd;
2264 } else if (!l_cp->allow_different_bit_depth_sign
2265 && (l_img_comp->prec != l_prec0 || l_img_comp->sgnd != l_sgnd0)) {
2266 opj_event_msg(p_manager, EVT_WARNING,
2267 "Despite JP2 BPC!=255, precision and/or sgnd values for comp[%d] is different than comp[0]:\n"
2268 " [0] prec(%d) sgnd(%d) [%d] prec(%d) sgnd(%d)\n", i, l_prec0, l_sgnd0,
2269 i, l_img_comp->prec, l_img_comp->sgnd);
2270 }
2271 /* TODO: we should perhaps also check against JP2 BPCC values */
2272 }
2273 opj_read_bytes(p_header_data, &tmp, 1); /* XRsiz_i */
2274 ++p_header_data;
2275 l_img_comp->dx = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2276 opj_read_bytes(p_header_data, &tmp, 1); /* YRsiz_i */
2277 ++p_header_data;
2278 l_img_comp->dy = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2279 if (l_img_comp->dx < 1 || l_img_comp->dx > 255 ||
2280 l_img_comp->dy < 1 || l_img_comp->dy > 255) {
2281 opj_event_msg(p_manager, EVT_ERROR,
2282 "Invalid values for comp = %d : dx=%u dy=%u (should be between 1 and 255 according to the JPEG2000 norm)\n",
2283 i, l_img_comp->dx, l_img_comp->dy);
2284 return OPJ_FALSE;
2285 }
2286 /* Avoids later undefined shift in computation of */
2287 /* p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2288 << (l_image->comps[i].prec - 1); */
2289 if (l_img_comp->prec > 31) {
2290 opj_event_msg(p_manager, EVT_ERROR,
2291 "Invalid values for comp = %d : prec=%u (should be between 1 and 38 according to the JPEG2000 norm. OpenJpeg only supports up to 31)\n",
2292 i, l_img_comp->prec);
2293 return OPJ_FALSE;
2294 }
2295 #ifdef USE_JPWL
2296 if (l_cp->correct) {
2297 /* if JPWL is on, we check whether TX errors have damaged
2298 too much the SIZ parameters, again */
2299 if (!(l_image->comps[i].dx * l_image->comps[i].dy)) {
2300 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2301 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
2302 i, i, l_image->comps[i].dx, l_image->comps[i].dy);
2303 if (!JPWL_ASSUME) {
2304 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2305 return OPJ_FALSE;
2306 }
2307 /* we try to correct */
2308 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2309 if (!l_image->comps[i].dx) {
2310 l_image->comps[i].dx = 1;
2311 opj_event_msg(p_manager, EVT_WARNING,
2312 "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
2313 i, l_image->comps[i].dx);
2314 }
2315 if (!l_image->comps[i].dy) {
2316 l_image->comps[i].dy = 1;
2317 opj_event_msg(p_manager, EVT_WARNING,
2318 "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
2319 i, l_image->comps[i].dy);
2320 }
2321 }
2322 }
2323 #endif /* USE_JPWL */
2324 l_img_comp->resno_decoded =
2325 0; /* number of resolution decoded */
2326 l_img_comp->factor =
2327 l_cp->m_specific_param.m_dec.m_reduce; /* reducing factor per component */
2328 ++l_img_comp;
2329 }
2330
2331 if (l_cp->tdx == 0 || l_cp->tdy == 0) {
2332 return OPJ_FALSE;
2333 }
2334
2335 /* Compute the number of tiles */
2336 l_cp->tw = opj_uint_ceildiv(l_image->x1 - l_cp->tx0, l_cp->tdx);
2337 l_cp->th = opj_uint_ceildiv(l_image->y1 - l_cp->ty0, l_cp->tdy);
2338
2339 /* Check that the number of tiles is valid */
2340 if (l_cp->tw == 0 || l_cp->th == 0 || l_cp->tw > 65535 / l_cp->th) {
2341 opj_event_msg(p_manager, EVT_ERROR,
2342 "Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
2343 l_cp->tw, l_cp->th);
2344 return OPJ_FALSE;
2345 }
2346 l_nb_tiles = l_cp->tw * l_cp->th;
2347
2348 /* Define the tiles which will be decoded */
2349 if (p_j2k->m_specific_param.m_decoder.m_discard_tiles) {
2350 p_j2k->m_specific_param.m_decoder.m_start_tile_x =
2351 (p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
2352 p_j2k->m_specific_param.m_decoder.m_start_tile_y =
2353 (p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
2354 p_j2k->m_specific_param.m_decoder.m_end_tile_x = opj_uint_ceildiv(
2355 p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0, l_cp->tdx);
2356 p_j2k->m_specific_param.m_decoder.m_end_tile_y = opj_uint_ceildiv(
2357 p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0, l_cp->tdy);
2358 } else {
2359 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
2360 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
2361 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
2362 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
2363 }
2364
2365 #ifdef USE_JPWL
2366 if (l_cp->correct) {
2367 /* if JPWL is on, we check whether TX errors have damaged
2368 too much the SIZ parameters */
2369 if ((l_cp->tw < 1) || (l_cp->th < 1) || (l_cp->tw > l_cp->max_tiles) ||
2370 (l_cp->th > l_cp->max_tiles)) {
2371 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2372 "JPWL: bad number of tiles (%d x %d)\n",
2373 l_cp->tw, l_cp->th);
2374 if (!JPWL_ASSUME) {
2375 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2376 return OPJ_FALSE;
2377 }
2378 /* we try to correct */
2379 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2380 if (l_cp->tw < 1) {
2381 l_cp->tw = 1;
2382 opj_event_msg(p_manager, EVT_WARNING,
2383 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2384 l_cp->tw);
2385 }
2386 if (l_cp->tw > l_cp->max_tiles) {
2387 l_cp->tw = 1;
2388 opj_event_msg(p_manager, EVT_WARNING,
2389 "- too large x, increase expectance of %d\n"
2390 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2391 l_cp->max_tiles, l_cp->tw);
2392 }
2393 if (l_cp->th < 1) {
2394 l_cp->th = 1;
2395 opj_event_msg(p_manager, EVT_WARNING,
2396 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2397 l_cp->th);
2398 }
2399 if (l_cp->th > l_cp->max_tiles) {
2400 l_cp->th = 1;
2401 opj_event_msg(p_manager, EVT_WARNING,
2402 "- too large y, increase expectance of %d to continue\n",
2403 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2404 l_cp->max_tiles, l_cp->th);
2405 }
2406 }
2407 }
2408 #endif /* USE_JPWL */
2409
2410 /* memory allocations */
2411 l_cp->tcps = (opj_tcp_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_t));
2412 if (l_cp->tcps == 00) {
2413 opj_event_msg(p_manager, EVT_ERROR,
2414 "Not enough memory to take in charge SIZ marker\n");
2415 return OPJ_FALSE;
2416 }
2417
2418 #ifdef USE_JPWL
2419 if (l_cp->correct) {
2420 if (!l_cp->tcps) {
2421 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2422 "JPWL: could not alloc tcps field of cp\n");
2423 if (!JPWL_ASSUME) {
2424 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2425 return OPJ_FALSE;
2426 }
2427 }
2428 }
2429 #endif /* USE_JPWL */
2430
2431 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps =
2432 (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t));
2433 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps == 00) {
2434 opj_event_msg(p_manager, EVT_ERROR,
2435 "Not enough memory to take in charge SIZ marker\n");
2436 return OPJ_FALSE;
2437 }
2438
2439 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records =
2440 (opj_mct_data_t*)opj_calloc(OPJ_J2K_MCT_DEFAULT_NB_RECORDS,
2441 sizeof(opj_mct_data_t));
2442
2443 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records) {
2444 opj_event_msg(p_manager, EVT_ERROR,
2445 "Not enough memory to take in charge SIZ marker\n");
2446 return OPJ_FALSE;
2447 }
2448 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records =
2449 OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
2450
2451 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records =
2452 (opj_simple_mcc_decorrelation_data_t*)
2453 opj_calloc(OPJ_J2K_MCC_DEFAULT_NB_RECORDS,
2454 sizeof(opj_simple_mcc_decorrelation_data_t));
2455
2456 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records) {
2457 opj_event_msg(p_manager, EVT_ERROR,
2458 "Not enough memory to take in charge SIZ marker\n");
2459 return OPJ_FALSE;
2460 }
2461 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records =
2462 OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
2463
2464 /* set up default dc level shift */
2465 for (i = 0; i < l_image->numcomps; ++i) {
2466 if (! l_image->comps[i].sgnd) {
2467 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2468 << (l_image->comps[i].prec - 1);
2469 }
2470 }
2471
2472 l_current_tile_param = l_cp->tcps;
2473 for (i = 0; i < l_nb_tiles; ++i) {
2474 l_current_tile_param->tccps = (opj_tccp_t*) opj_calloc(l_image->numcomps,
2475 sizeof(opj_tccp_t));
2476 if (l_current_tile_param->tccps == 00) {
2477 opj_event_msg(p_manager, EVT_ERROR,
2478 "Not enough memory to take in charge SIZ marker\n");
2479 return OPJ_FALSE;
2480 }
2481
2482 ++l_current_tile_param;
2483 }
2484
2485 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MH;
2486 opj_image_comp_header_update(l_image, l_cp);
2487
2488 return OPJ_TRUE;
2489 }
2490
opj_j2k_write_com(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2491 static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
2492 opj_stream_private_t *p_stream,
2493 opj_event_mgr_t * p_manager
2494 )
2495 {
2496 OPJ_UINT32 l_comment_size;
2497 OPJ_UINT32 l_total_com_size;
2498 const OPJ_CHAR *l_comment;
2499 OPJ_BYTE * l_current_ptr = 00;
2500
2501 /* preconditions */
2502 assert(p_j2k != 00);
2503 assert(p_stream != 00);
2504 assert(p_manager != 00);
2505
2506 l_comment = p_j2k->m_cp.comment;
2507 l_comment_size = (OPJ_UINT32)strlen(l_comment);
2508 l_total_com_size = l_comment_size + 6;
2509
2510 if (l_total_com_size >
2511 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2512 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2513 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size);
2514 if (! new_header_tile_data) {
2515 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2516 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2517 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2518 opj_event_msg(p_manager, EVT_ERROR,
2519 "Not enough memory to write the COM marker\n");
2520 return OPJ_FALSE;
2521 }
2522 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2523 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_total_com_size;
2524 }
2525
2526 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2527
2528 opj_write_bytes(l_current_ptr, J2K_MS_COM, 2); /* COM */
2529 l_current_ptr += 2;
2530
2531 opj_write_bytes(l_current_ptr, l_total_com_size - 2, 2); /* L_COM */
2532 l_current_ptr += 2;
2533
2534 opj_write_bytes(l_current_ptr, 1,
2535 2); /* General use (IS 8859-15:1999 (Latin) values) */
2536 l_current_ptr += 2;
2537
2538 memcpy(l_current_ptr, l_comment, l_comment_size);
2539
2540 if (opj_stream_write_data(p_stream,
2541 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size,
2542 p_manager) != l_total_com_size) {
2543 return OPJ_FALSE;
2544 }
2545
2546 return OPJ_TRUE;
2547 }
2548
2549 /**
2550 * Reads a COM marker (comments)
2551 * @param p_j2k the jpeg2000 file codec.
2552 * @param p_header_data the data contained in the COM box.
2553 * @param p_header_size the size of the data contained in the COM marker.
2554 * @param p_manager the user event manager.
2555 */
opj_j2k_read_com(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)2556 static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
2557 OPJ_BYTE * p_header_data,
2558 OPJ_UINT32 p_header_size,
2559 opj_event_mgr_t * p_manager
2560 )
2561 {
2562 /* preconditions */
2563 assert(p_j2k != 00);
2564 assert(p_manager != 00);
2565 assert(p_header_data != 00);
2566
2567 OPJ_UNUSED(p_j2k);
2568 OPJ_UNUSED(p_header_data);
2569 OPJ_UNUSED(p_header_size);
2570 OPJ_UNUSED(p_manager);
2571
2572 return OPJ_TRUE;
2573 }
2574
opj_j2k_write_cod(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2575 static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
2576 opj_stream_private_t *p_stream,
2577 opj_event_mgr_t * p_manager)
2578 {
2579 opj_cp_t *l_cp = 00;
2580 opj_tcp_t *l_tcp = 00;
2581 OPJ_UINT32 l_code_size, l_remaining_size;
2582 OPJ_BYTE * l_current_data = 00;
2583
2584 /* preconditions */
2585 assert(p_j2k != 00);
2586 assert(p_manager != 00);
2587 assert(p_stream != 00);
2588
2589 l_cp = &(p_j2k->m_cp);
2590 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2591 l_code_size = 9 + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2592 p_j2k->m_current_tile_number, 0);
2593 l_remaining_size = l_code_size;
2594
2595 if (l_code_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2596 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2597 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size);
2598 if (! new_header_tile_data) {
2599 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2600 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2601 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2602 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COD marker\n");
2603 return OPJ_FALSE;
2604 }
2605 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2606 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_code_size;
2607 }
2608
2609 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2610
2611 opj_write_bytes(l_current_data, J2K_MS_COD, 2); /* COD */
2612 l_current_data += 2;
2613
2614 opj_write_bytes(l_current_data, l_code_size - 2, 2); /* L_COD */
2615 l_current_data += 2;
2616
2617 opj_write_bytes(l_current_data, l_tcp->csty, 1); /* Scod */
2618 ++l_current_data;
2619
2620 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tcp->prg, 1); /* SGcod (A) */
2621 ++l_current_data;
2622
2623 opj_write_bytes(l_current_data, l_tcp->numlayers, 2); /* SGcod (B) */
2624 l_current_data += 2;
2625
2626 opj_write_bytes(l_current_data, l_tcp->mct, 1); /* SGcod (C) */
2627 ++l_current_data;
2628
2629 l_remaining_size -= 9;
2630
2631 if (! opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
2632 l_current_data, &l_remaining_size, p_manager)) {
2633 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2634 return OPJ_FALSE;
2635 }
2636
2637 if (l_remaining_size != 0) {
2638 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2639 return OPJ_FALSE;
2640 }
2641
2642 if (opj_stream_write_data(p_stream,
2643 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size,
2644 p_manager) != l_code_size) {
2645 return OPJ_FALSE;
2646 }
2647
2648 return OPJ_TRUE;
2649 }
2650
2651 /**
2652 * Reads a COD marker (Coding style defaults)
2653 * @param p_header_data the data contained in the COD box.
2654 * @param p_j2k the jpeg2000 codec.
2655 * @param p_header_size the size of the data contained in the COD marker.
2656 * @param p_manager the user event manager.
2657 */
opj_j2k_read_cod(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)2658 static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
2659 OPJ_BYTE * p_header_data,
2660 OPJ_UINT32 p_header_size,
2661 opj_event_mgr_t * p_manager
2662 )
2663 {
2664 /* loop */
2665 OPJ_UINT32 i;
2666 OPJ_UINT32 l_tmp;
2667 opj_cp_t *l_cp = 00;
2668 opj_tcp_t *l_tcp = 00;
2669 opj_image_t *l_image = 00;
2670
2671 /* preconditions */
2672 assert(p_header_data != 00);
2673 assert(p_j2k != 00);
2674 assert(p_manager != 00);
2675
2676 l_image = p_j2k->m_private_image;
2677 l_cp = &(p_j2k->m_cp);
2678
2679 /* If we are in the first tile-part header of the current tile */
2680 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
2681 &l_cp->tcps[p_j2k->m_current_tile_number] :
2682 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2683
2684 #if 0
2685 /* This check was added per https://github.com/uclouvain/openjpeg/commit/daed8cc9195555e101ab708a501af2dfe6d5e001 */
2686 /* but this is no longer necessary to handle issue476.jp2 */
2687 /* and this actually cause issues on legit files. See https://github.com/uclouvain/openjpeg/issues/1043 */
2688 /* Only one COD per tile */
2689 if (l_tcp->cod) {
2690 opj_event_msg(p_manager, EVT_ERROR,
2691 "COD marker already read. No more than one COD marker per tile.\n");
2692 return OPJ_FALSE;
2693 }
2694 #endif
2695 l_tcp->cod = 1;
2696
2697 /* Make sure room is sufficient */
2698 if (p_header_size < 5) {
2699 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2700 return OPJ_FALSE;
2701 }
2702
2703 opj_read_bytes(p_header_data, &l_tcp->csty, 1); /* Scod */
2704 ++p_header_data;
2705 /* Make sure we know how to decode this */
2706 if ((l_tcp->csty & ~(OPJ_UINT32)(J2K_CP_CSTY_PRT | J2K_CP_CSTY_SOP |
2707 J2K_CP_CSTY_EPH)) != 0U) {
2708 opj_event_msg(p_manager, EVT_ERROR, "Unknown Scod value in COD marker\n");
2709 return OPJ_FALSE;
2710 }
2711 opj_read_bytes(p_header_data, &l_tmp, 1); /* SGcod (A) */
2712 ++p_header_data;
2713 l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;
2714 /* Make sure progression order is valid */
2715 if (l_tcp->prg > OPJ_CPRL) {
2716 opj_event_msg(p_manager, EVT_ERROR,
2717 "Unknown progression order in COD marker\n");
2718 l_tcp->prg = OPJ_PROG_UNKNOWN;
2719 }
2720 opj_read_bytes(p_header_data, &l_tcp->numlayers, 2); /* SGcod (B) */
2721 p_header_data += 2;
2722
2723 if ((l_tcp->numlayers < 1U) || (l_tcp->numlayers > 65535U)) {
2724 opj_event_msg(p_manager, EVT_ERROR,
2725 "Invalid number of layers in COD marker : %d not in range [1-65535]\n",
2726 l_tcp->numlayers);
2727 return OPJ_FALSE;
2728 }
2729
2730 /* If user didn't set a number layer to decode take the max specify in the codestream. */
2731 if (l_cp->m_specific_param.m_dec.m_layer) {
2732 l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer;
2733 } else {
2734 l_tcp->num_layers_to_decode = l_tcp->numlayers;
2735 }
2736
2737 opj_read_bytes(p_header_data, &l_tcp->mct, 1); /* SGcod (C) */
2738 ++p_header_data;
2739
2740 if (l_tcp->mct > 1) {
2741 opj_event_msg(p_manager, EVT_ERROR,
2742 "Invalid multiple component transformation\n");
2743 return OPJ_FALSE;
2744 }
2745
2746 p_header_size -= 5;
2747 for (i = 0; i < l_image->numcomps; ++i) {
2748 l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT;
2749 }
2750
2751 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, 0, p_header_data, &p_header_size,
2752 p_manager)) {
2753 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2754 return OPJ_FALSE;
2755 }
2756
2757 if (p_header_size != 0) {
2758 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2759 return OPJ_FALSE;
2760 }
2761
2762 /* Apply the coding style to other components of the current tile or the m_default_tcp*/
2763 opj_j2k_copy_tile_component_parameters(p_j2k);
2764
2765 /* Index */
2766 #ifdef WIP_REMOVE_MSD
2767 if (p_j2k->cstr_info) {
2768 /*opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info;*/
2769 p_j2k->cstr_info->prog = l_tcp->prg;
2770 p_j2k->cstr_info->numlayers = l_tcp->numlayers;
2771 p_j2k->cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(
2772 l_image->numcomps * sizeof(OPJ_UINT32));
2773 if (!p_j2k->cstr_info->numdecompos) {
2774 return OPJ_FALSE;
2775 }
2776 for (i = 0; i < l_image->numcomps; ++i) {
2777 p_j2k->cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1;
2778 }
2779 }
2780 #endif
2781
2782 return OPJ_TRUE;
2783 }
2784
opj_j2k_write_coc(opj_j2k_t * p_j2k,OPJ_UINT32 p_comp_no,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2785 static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
2786 OPJ_UINT32 p_comp_no,
2787 opj_stream_private_t *p_stream,
2788 opj_event_mgr_t * p_manager)
2789 {
2790 OPJ_UINT32 l_coc_size, l_remaining_size;
2791 OPJ_UINT32 l_comp_room;
2792
2793 /* preconditions */
2794 assert(p_j2k != 00);
2795 assert(p_manager != 00);
2796 assert(p_stream != 00);
2797
2798 l_comp_room = (p_j2k->m_private_image->numcomps <= 256) ? 1 : 2;
2799
2800 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2801 p_j2k->m_current_tile_number, p_comp_no);
2802
2803 if (l_coc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2804 OPJ_BYTE *new_header_tile_data;
2805 /*p_j2k->m_specific_param.m_encoder.m_header_tile_data
2806 = (OPJ_BYTE*)opj_realloc(
2807 p_j2k->m_specific_param.m_encoder.m_header_tile_data,
2808 l_coc_size);*/
2809
2810 new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2811 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size);
2812 if (! new_header_tile_data) {
2813 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2814 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2815 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2816 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COC marker\n");
2817 return OPJ_FALSE;
2818 }
2819 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2820 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size;
2821 }
2822
2823 opj_j2k_write_coc_in_memory(p_j2k, p_comp_no,
2824 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
2825 p_manager);
2826
2827 if (opj_stream_write_data(p_stream,
2828 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size,
2829 p_manager) != l_coc_size) {
2830 return OPJ_FALSE;
2831 }
2832
2833 return OPJ_TRUE;
2834 }
2835
opj_j2k_compare_coc(opj_j2k_t * p_j2k,OPJ_UINT32 p_first_comp_no,OPJ_UINT32 p_second_comp_no)2836 static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
2837 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
2838 {
2839 opj_cp_t *l_cp = NULL;
2840 opj_tcp_t *l_tcp = NULL;
2841
2842 /* preconditions */
2843 assert(p_j2k != 00);
2844
2845 l_cp = &(p_j2k->m_cp);
2846 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2847
2848 if (l_tcp->tccps[p_first_comp_no].csty != l_tcp->tccps[p_second_comp_no].csty) {
2849 return OPJ_FALSE;
2850 }
2851
2852
2853 return opj_j2k_compare_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number,
2854 p_first_comp_no, p_second_comp_no);
2855 }
2856
opj_j2k_write_coc_in_memory(opj_j2k_t * p_j2k,OPJ_UINT32 p_comp_no,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,opj_event_mgr_t * p_manager)2857 static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
2858 OPJ_UINT32 p_comp_no,
2859 OPJ_BYTE * p_data,
2860 OPJ_UINT32 * p_data_written,
2861 opj_event_mgr_t * p_manager
2862 )
2863 {
2864 opj_cp_t *l_cp = 00;
2865 opj_tcp_t *l_tcp = 00;
2866 OPJ_UINT32 l_coc_size, l_remaining_size;
2867 OPJ_BYTE * l_current_data = 00;
2868 opj_image_t *l_image = 00;
2869 OPJ_UINT32 l_comp_room;
2870
2871 /* preconditions */
2872 assert(p_j2k != 00);
2873 assert(p_manager != 00);
2874
2875 l_cp = &(p_j2k->m_cp);
2876 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2877 l_image = p_j2k->m_private_image;
2878 l_comp_room = (l_image->numcomps <= 256) ? 1 : 2;
2879
2880 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2881 p_j2k->m_current_tile_number, p_comp_no);
2882 l_remaining_size = l_coc_size;
2883
2884 l_current_data = p_data;
2885
2886 opj_write_bytes(l_current_data, J2K_MS_COC,
2887 2); /* COC */
2888 l_current_data += 2;
2889
2890 opj_write_bytes(l_current_data, l_coc_size - 2,
2891 2); /* L_COC */
2892 l_current_data += 2;
2893
2894 opj_write_bytes(l_current_data, p_comp_no, l_comp_room); /* Ccoc */
2895 l_current_data += l_comp_room;
2896
2897 opj_write_bytes(l_current_data, l_tcp->tccps[p_comp_no].csty,
2898 1); /* Scoc */
2899 ++l_current_data;
2900
2901 l_remaining_size -= (5 + l_comp_room);
2902 opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
2903 l_current_data, &l_remaining_size, p_manager);
2904 * p_data_written = l_coc_size;
2905 }
2906
opj_j2k_get_max_coc_size(opj_j2k_t * p_j2k)2907 static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k)
2908 {
2909 OPJ_UINT32 i, j;
2910 OPJ_UINT32 l_nb_comp;
2911 OPJ_UINT32 l_nb_tiles;
2912 OPJ_UINT32 l_max = 0;
2913
2914 /* preconditions */
2915
2916 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
2917 l_nb_comp = p_j2k->m_private_image->numcomps;
2918
2919 for (i = 0; i < l_nb_tiles; ++i) {
2920 for (j = 0; j < l_nb_comp; ++j) {
2921 l_max = opj_uint_max(l_max, opj_j2k_get_SPCod_SPCoc_size(p_j2k, i, j));
2922 }
2923 }
2924
2925 return 6 + l_max;
2926 }
2927
2928 /**
2929 * Reads a COC marker (Coding Style Component)
2930 * @param p_header_data the data contained in the COC box.
2931 * @param p_j2k the jpeg2000 codec.
2932 * @param p_header_size the size of the data contained in the COC marker.
2933 * @param p_manager the user event manager.
2934 */
opj_j2k_read_coc(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)2935 static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
2936 OPJ_BYTE * p_header_data,
2937 OPJ_UINT32 p_header_size,
2938 opj_event_mgr_t * p_manager
2939 )
2940 {
2941 opj_cp_t *l_cp = NULL;
2942 opj_tcp_t *l_tcp = NULL;
2943 opj_image_t *l_image = NULL;
2944 OPJ_UINT32 l_comp_room;
2945 OPJ_UINT32 l_comp_no;
2946
2947 /* preconditions */
2948 assert(p_header_data != 00);
2949 assert(p_j2k != 00);
2950 assert(p_manager != 00);
2951
2952 l_cp = &(p_j2k->m_cp);
2953 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
2954 ?
2955 &l_cp->tcps[p_j2k->m_current_tile_number] :
2956 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2957 l_image = p_j2k->m_private_image;
2958
2959 l_comp_room = l_image->numcomps <= 256 ? 1 : 2;
2960
2961 /* make sure room is sufficient*/
2962 if (p_header_size < l_comp_room + 1) {
2963 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2964 return OPJ_FALSE;
2965 }
2966 p_header_size -= l_comp_room + 1;
2967
2968 opj_read_bytes(p_header_data, &l_comp_no,
2969 l_comp_room); /* Ccoc */
2970 p_header_data += l_comp_room;
2971 if (l_comp_no >= l_image->numcomps) {
2972 opj_event_msg(p_manager, EVT_ERROR,
2973 "Error reading COC marker (bad number of components)\n");
2974 return OPJ_FALSE;
2975 }
2976
2977 opj_read_bytes(p_header_data, &l_tcp->tccps[l_comp_no].csty,
2978 1); /* Scoc */
2979 ++p_header_data ;
2980
2981 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, l_comp_no, p_header_data, &p_header_size,
2982 p_manager)) {
2983 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2984 return OPJ_FALSE;
2985 }
2986
2987 if (p_header_size != 0) {
2988 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2989 return OPJ_FALSE;
2990 }
2991 return OPJ_TRUE;
2992 }
2993
opj_j2k_write_qcd(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2994 static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
2995 opj_stream_private_t *p_stream,
2996 opj_event_mgr_t * p_manager
2997 )
2998 {
2999 OPJ_UINT32 l_qcd_size, l_remaining_size;
3000 OPJ_BYTE * l_current_data = 00;
3001
3002 /* preconditions */
3003 assert(p_j2k != 00);
3004 assert(p_manager != 00);
3005 assert(p_stream != 00);
3006
3007 l_qcd_size = 4 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3008 0);
3009 l_remaining_size = l_qcd_size;
3010
3011 if (l_qcd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3012 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3013 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size);
3014 if (! new_header_tile_data) {
3015 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3016 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3017 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3018 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCD marker\n");
3019 return OPJ_FALSE;
3020 }
3021 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3022 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcd_size;
3023 }
3024
3025 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
3026
3027 opj_write_bytes(l_current_data, J2K_MS_QCD, 2); /* QCD */
3028 l_current_data += 2;
3029
3030 opj_write_bytes(l_current_data, l_qcd_size - 2, 2); /* L_QCD */
3031 l_current_data += 2;
3032
3033 l_remaining_size -= 4;
3034
3035 if (! opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, 0,
3036 l_current_data, &l_remaining_size, p_manager)) {
3037 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
3038 return OPJ_FALSE;
3039 }
3040
3041 if (l_remaining_size != 0) {
3042 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
3043 return OPJ_FALSE;
3044 }
3045
3046 if (opj_stream_write_data(p_stream,
3047 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size,
3048 p_manager) != l_qcd_size) {
3049 return OPJ_FALSE;
3050 }
3051
3052 return OPJ_TRUE;
3053 }
3054
3055 /**
3056 * Reads a QCD marker (Quantization defaults)
3057 * @param p_header_data the data contained in the QCD box.
3058 * @param p_j2k the jpeg2000 codec.
3059 * @param p_header_size the size of the data contained in the QCD marker.
3060 * @param p_manager the user event manager.
3061 */
opj_j2k_read_qcd(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3062 static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
3063 OPJ_BYTE * p_header_data,
3064 OPJ_UINT32 p_header_size,
3065 opj_event_mgr_t * p_manager
3066 )
3067 {
3068 /* preconditions */
3069 assert(p_header_data != 00);
3070 assert(p_j2k != 00);
3071 assert(p_manager != 00);
3072
3073 if (! opj_j2k_read_SQcd_SQcc(p_j2k, 0, p_header_data, &p_header_size,
3074 p_manager)) {
3075 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
3076 return OPJ_FALSE;
3077 }
3078
3079 if (p_header_size != 0) {
3080 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
3081 return OPJ_FALSE;
3082 }
3083
3084 /* Apply the quantization parameters to other components of the current tile or the m_default_tcp */
3085 opj_j2k_copy_tile_quantization_parameters(p_j2k);
3086
3087 return OPJ_TRUE;
3088 }
3089
opj_j2k_write_qcc(opj_j2k_t * p_j2k,OPJ_UINT32 p_comp_no,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)3090 static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
3091 OPJ_UINT32 p_comp_no,
3092 opj_stream_private_t *p_stream,
3093 opj_event_mgr_t * p_manager
3094 )
3095 {
3096 OPJ_UINT32 l_qcc_size, l_remaining_size;
3097
3098 /* preconditions */
3099 assert(p_j2k != 00);
3100 assert(p_manager != 00);
3101 assert(p_stream != 00);
3102
3103 l_qcc_size = 5 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3104 p_comp_no);
3105 l_qcc_size += p_j2k->m_private_image->numcomps <= 256 ? 0 : 1;
3106 l_remaining_size = l_qcc_size;
3107
3108 if (l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3109 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3110 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size);
3111 if (! new_header_tile_data) {
3112 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3113 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3114 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3115 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCC marker\n");
3116 return OPJ_FALSE;
3117 }
3118 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3119 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size;
3120 }
3121
3122 opj_j2k_write_qcc_in_memory(p_j2k, p_comp_no,
3123 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
3124 p_manager);
3125
3126 if (opj_stream_write_data(p_stream,
3127 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size,
3128 p_manager) != l_qcc_size) {
3129 return OPJ_FALSE;
3130 }
3131
3132 return OPJ_TRUE;
3133 }
3134
opj_j2k_compare_qcc(opj_j2k_t * p_j2k,OPJ_UINT32 p_first_comp_no,OPJ_UINT32 p_second_comp_no)3135 static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
3136 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
3137 {
3138 return opj_j2k_compare_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number,
3139 p_first_comp_no, p_second_comp_no);
3140 }
3141
opj_j2k_write_qcc_in_memory(opj_j2k_t * p_j2k,OPJ_UINT32 p_comp_no,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,opj_event_mgr_t * p_manager)3142 static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
3143 OPJ_UINT32 p_comp_no,
3144 OPJ_BYTE * p_data,
3145 OPJ_UINT32 * p_data_written,
3146 opj_event_mgr_t * p_manager
3147 )
3148 {
3149 OPJ_UINT32 l_qcc_size, l_remaining_size;
3150 OPJ_BYTE * l_current_data = 00;
3151
3152 /* preconditions */
3153 assert(p_j2k != 00);
3154 assert(p_manager != 00);
3155
3156 l_qcc_size = 6 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3157 p_comp_no);
3158 l_remaining_size = l_qcc_size;
3159
3160 l_current_data = p_data;
3161
3162 opj_write_bytes(l_current_data, J2K_MS_QCC, 2); /* QCC */
3163 l_current_data += 2;
3164
3165 if (p_j2k->m_private_image->numcomps <= 256) {
3166 --l_qcc_size;
3167
3168 opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
3169 l_current_data += 2;
3170
3171 opj_write_bytes(l_current_data, p_comp_no, 1); /* Cqcc */
3172 ++l_current_data;
3173
3174 /* in the case only one byte is sufficient the last byte allocated is useless -> still do -6 for available */
3175 l_remaining_size -= 6;
3176 } else {
3177 opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
3178 l_current_data += 2;
3179
3180 opj_write_bytes(l_current_data, p_comp_no, 2); /* Cqcc */
3181 l_current_data += 2;
3182
3183 l_remaining_size -= 6;
3184 }
3185
3186 opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, p_comp_no,
3187 l_current_data, &l_remaining_size, p_manager);
3188
3189 *p_data_written = l_qcc_size;
3190 }
3191
opj_j2k_get_max_qcc_size(opj_j2k_t * p_j2k)3192 static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k)
3193 {
3194 return opj_j2k_get_max_coc_size(p_j2k);
3195 }
3196
3197 /**
3198 * Reads a QCC marker (Quantization component)
3199 * @param p_header_data the data contained in the QCC box.
3200 * @param p_j2k the jpeg2000 codec.
3201 * @param p_header_size the size of the data contained in the QCC marker.
3202 * @param p_manager the user event manager.
3203 */
opj_j2k_read_qcc(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3204 static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
3205 OPJ_BYTE * p_header_data,
3206 OPJ_UINT32 p_header_size,
3207 opj_event_mgr_t * p_manager
3208 )
3209 {
3210 OPJ_UINT32 l_num_comp, l_comp_no;
3211
3212 /* preconditions */
3213 assert(p_header_data != 00);
3214 assert(p_j2k != 00);
3215 assert(p_manager != 00);
3216
3217 l_num_comp = p_j2k->m_private_image->numcomps;
3218
3219 if (l_num_comp <= 256) {
3220 if (p_header_size < 1) {
3221 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3222 return OPJ_FALSE;
3223 }
3224 opj_read_bytes(p_header_data, &l_comp_no, 1);
3225 ++p_header_data;
3226 --p_header_size;
3227 } else {
3228 if (p_header_size < 2) {
3229 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3230 return OPJ_FALSE;
3231 }
3232 opj_read_bytes(p_header_data, &l_comp_no, 2);
3233 p_header_data += 2;
3234 p_header_size -= 2;
3235 }
3236
3237 #ifdef USE_JPWL
3238 if (p_j2k->m_cp.correct) {
3239
3240 static OPJ_UINT32 backup_compno = 0;
3241
3242 /* compno is negative or larger than the number of components!!! */
3243 if (/*(l_comp_no < 0) ||*/ (l_comp_no >= l_num_comp)) {
3244 opj_event_msg(p_manager, EVT_ERROR,
3245 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
3246 l_comp_no, l_num_comp);
3247 if (!JPWL_ASSUME) {
3248 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
3249 return OPJ_FALSE;
3250 }
3251 /* we try to correct */
3252 l_comp_no = backup_compno % l_num_comp;
3253 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
3254 "- setting component number to %d\n",
3255 l_comp_no);
3256 }
3257
3258 /* keep your private count of tiles */
3259 backup_compno++;
3260 };
3261 #endif /* USE_JPWL */
3262
3263 if (l_comp_no >= p_j2k->m_private_image->numcomps) {
3264 opj_event_msg(p_manager, EVT_ERROR,
3265 "Invalid component number: %d, regarding the number of components %d\n",
3266 l_comp_no, p_j2k->m_private_image->numcomps);
3267 return OPJ_FALSE;
3268 }
3269
3270 if (! opj_j2k_read_SQcd_SQcc(p_j2k, l_comp_no, p_header_data, &p_header_size,
3271 p_manager)) {
3272 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3273 return OPJ_FALSE;
3274 }
3275
3276 if (p_header_size != 0) {
3277 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3278 return OPJ_FALSE;
3279 }
3280
3281 return OPJ_TRUE;
3282 }
3283
opj_j2k_write_poc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)3284 static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
3285 opj_stream_private_t *p_stream,
3286 opj_event_mgr_t * p_manager
3287 )
3288 {
3289 OPJ_UINT32 l_nb_comp;
3290 OPJ_UINT32 l_nb_poc;
3291 OPJ_UINT32 l_poc_size;
3292 OPJ_UINT32 l_written_size = 0;
3293 opj_tcp_t *l_tcp = 00;
3294 OPJ_UINT32 l_poc_room;
3295
3296 /* preconditions */
3297 assert(p_j2k != 00);
3298 assert(p_manager != 00);
3299 assert(p_stream != 00);
3300
3301 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3302 l_nb_comp = p_j2k->m_private_image->numcomps;
3303 l_nb_poc = 1 + l_tcp->numpocs;
3304
3305 if (l_nb_comp <= 256) {
3306 l_poc_room = 1;
3307 } else {
3308 l_poc_room = 2;
3309 }
3310 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3311
3312 if (l_poc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3313 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3314 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size);
3315 if (! new_header_tile_data) {
3316 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3317 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3318 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3319 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write POC marker\n");
3320 return OPJ_FALSE;
3321 }
3322 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3323 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size;
3324 }
3325
3326 opj_j2k_write_poc_in_memory(p_j2k,
3327 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_written_size,
3328 p_manager);
3329
3330 if (opj_stream_write_data(p_stream,
3331 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size,
3332 p_manager) != l_poc_size) {
3333 return OPJ_FALSE;
3334 }
3335
3336 return OPJ_TRUE;
3337 }
3338
opj_j2k_write_poc_in_memory(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,opj_event_mgr_t * p_manager)3339 static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
3340 OPJ_BYTE * p_data,
3341 OPJ_UINT32 * p_data_written,
3342 opj_event_mgr_t * p_manager
3343 )
3344 {
3345 OPJ_UINT32 i;
3346 OPJ_BYTE * l_current_data = 00;
3347 OPJ_UINT32 l_nb_comp;
3348 OPJ_UINT32 l_nb_poc;
3349 OPJ_UINT32 l_poc_size;
3350 opj_image_t *l_image = 00;
3351 opj_tcp_t *l_tcp = 00;
3352 opj_tccp_t *l_tccp = 00;
3353 opj_poc_t *l_current_poc = 00;
3354 OPJ_UINT32 l_poc_room;
3355
3356 /* preconditions */
3357 assert(p_j2k != 00);
3358 assert(p_manager != 00);
3359
3360 OPJ_UNUSED(p_manager);
3361
3362 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3363 l_tccp = &l_tcp->tccps[0];
3364 l_image = p_j2k->m_private_image;
3365 l_nb_comp = l_image->numcomps;
3366 l_nb_poc = 1 + l_tcp->numpocs;
3367
3368 if (l_nb_comp <= 256) {
3369 l_poc_room = 1;
3370 } else {
3371 l_poc_room = 2;
3372 }
3373
3374 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3375
3376 l_current_data = p_data;
3377
3378 opj_write_bytes(l_current_data, J2K_MS_POC,
3379 2); /* POC */
3380 l_current_data += 2;
3381
3382 opj_write_bytes(l_current_data, l_poc_size - 2,
3383 2); /* Lpoc */
3384 l_current_data += 2;
3385
3386 l_current_poc = l_tcp->pocs;
3387 for (i = 0; i < l_nb_poc; ++i) {
3388 opj_write_bytes(l_current_data, l_current_poc->resno0,
3389 1); /* RSpoc_i */
3390 ++l_current_data;
3391
3392 opj_write_bytes(l_current_data, l_current_poc->compno0,
3393 l_poc_room); /* CSpoc_i */
3394 l_current_data += l_poc_room;
3395
3396 opj_write_bytes(l_current_data, l_current_poc->layno1,
3397 2); /* LYEpoc_i */
3398 l_current_data += 2;
3399
3400 opj_write_bytes(l_current_data, l_current_poc->resno1,
3401 1); /* REpoc_i */
3402 ++l_current_data;
3403
3404 opj_write_bytes(l_current_data, l_current_poc->compno1,
3405 l_poc_room); /* CEpoc_i */
3406 l_current_data += l_poc_room;
3407
3408 opj_write_bytes(l_current_data, (OPJ_UINT32)l_current_poc->prg,
3409 1); /* Ppoc_i */
3410 ++l_current_data;
3411
3412 /* change the value of the max layer according to the actual number of layers in the file, components and resolutions*/
3413 l_current_poc->layno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3414 l_current_poc->layno1, (OPJ_INT32)l_tcp->numlayers);
3415 l_current_poc->resno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3416 l_current_poc->resno1, (OPJ_INT32)l_tccp->numresolutions);
3417 l_current_poc->compno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3418 l_current_poc->compno1, (OPJ_INT32)l_nb_comp);
3419
3420 ++l_current_poc;
3421 }
3422
3423 *p_data_written = l_poc_size;
3424 }
3425
opj_j2k_get_max_poc_size(opj_j2k_t * p_j2k)3426 static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k)
3427 {
3428 opj_tcp_t * l_tcp = 00;
3429 OPJ_UINT32 l_nb_tiles = 0;
3430 OPJ_UINT32 l_max_poc = 0;
3431 OPJ_UINT32 i;
3432
3433 l_tcp = p_j2k->m_cp.tcps;
3434 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
3435
3436 for (i = 0; i < l_nb_tiles; ++i) {
3437 l_max_poc = opj_uint_max(l_max_poc, l_tcp->numpocs);
3438 ++l_tcp;
3439 }
3440
3441 ++l_max_poc;
3442
3443 return 4 + 9 * l_max_poc;
3444 }
3445
opj_j2k_get_max_toc_size(opj_j2k_t * p_j2k)3446 static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k)
3447 {
3448 OPJ_UINT32 i;
3449 OPJ_UINT32 l_nb_tiles;
3450 OPJ_UINT32 l_max = 0;
3451 opj_tcp_t * l_tcp = 00;
3452
3453 l_tcp = p_j2k->m_cp.tcps;
3454 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
3455
3456 for (i = 0; i < l_nb_tiles; ++i) {
3457 l_max = opj_uint_max(l_max, l_tcp->m_nb_tile_parts);
3458
3459 ++l_tcp;
3460 }
3461
3462 return 12 * l_max;
3463 }
3464
opj_j2k_get_specific_header_sizes(opj_j2k_t * p_j2k)3465 static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k)
3466 {
3467 OPJ_UINT32 l_nb_bytes = 0;
3468 OPJ_UINT32 l_nb_comps;
3469 OPJ_UINT32 l_coc_bytes, l_qcc_bytes;
3470
3471 l_nb_comps = p_j2k->m_private_image->numcomps - 1;
3472 l_nb_bytes += opj_j2k_get_max_toc_size(p_j2k);
3473
3474 if (!(OPJ_IS_CINEMA(p_j2k->m_cp.rsiz))) {
3475 l_coc_bytes = opj_j2k_get_max_coc_size(p_j2k);
3476 l_nb_bytes += l_nb_comps * l_coc_bytes;
3477
3478 l_qcc_bytes = opj_j2k_get_max_qcc_size(p_j2k);
3479 l_nb_bytes += l_nb_comps * l_qcc_bytes;
3480 }
3481
3482 l_nb_bytes += opj_j2k_get_max_poc_size(p_j2k);
3483
3484 if (p_j2k->m_specific_param.m_encoder.m_PLT) {
3485 /* Reserve space for PLT markers */
3486
3487 OPJ_UINT32 i;
3488 const opj_cp_t * l_cp = &(p_j2k->m_cp);
3489 OPJ_UINT32 l_max_packet_count = 0;
3490 for (i = 0; i < l_cp->th * l_cp->tw; ++i) {
3491 l_max_packet_count = opj_uint_max(l_max_packet_count,
3492 opj_get_encoding_packet_count(p_j2k->m_private_image, l_cp, i));
3493 }
3494 /* Minimum 6 bytes per PLT marker, and at a minimum (taking a pessimistic */
3495 /* estimate of 4 bytes for a packet size), one can write */
3496 /* (65536-6) / 4 = 16382 paquet sizes per PLT marker */
3497 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT =
3498 6 * opj_uint_ceildiv(l_max_packet_count, 16382);
3499 /* Maximum 5 bytes per packet to encode a full UINT32 */
3500 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT +=
3501 l_nb_bytes += 5 * l_max_packet_count;
3502 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT += 1;
3503 l_nb_bytes += p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT;
3504 }
3505
3506 /*** DEVELOPER CORNER, Add room for your headers ***/
3507
3508 return l_nb_bytes;
3509 }
3510
3511 /**
3512 * Reads a POC marker (Progression Order Change)
3513 *
3514 * @param p_header_data the data contained in the POC box.
3515 * @param p_j2k the jpeg2000 codec.
3516 * @param p_header_size the size of the data contained in the POC marker.
3517 * @param p_manager the user event manager.
3518 */
opj_j2k_read_poc(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3519 static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
3520 OPJ_BYTE * p_header_data,
3521 OPJ_UINT32 p_header_size,
3522 opj_event_mgr_t * p_manager
3523 )
3524 {
3525 OPJ_UINT32 i, l_nb_comp, l_tmp;
3526 opj_image_t * l_image = 00;
3527 OPJ_UINT32 l_old_poc_nb, l_current_poc_nb, l_current_poc_remaining;
3528 OPJ_UINT32 l_chunk_size, l_comp_room;
3529
3530 opj_cp_t *l_cp = 00;
3531 opj_tcp_t *l_tcp = 00;
3532 opj_poc_t *l_current_poc = 00;
3533
3534 /* preconditions */
3535 assert(p_header_data != 00);
3536 assert(p_j2k != 00);
3537 assert(p_manager != 00);
3538
3539 l_image = p_j2k->m_private_image;
3540 l_nb_comp = l_image->numcomps;
3541 if (l_nb_comp <= 256) {
3542 l_comp_room = 1;
3543 } else {
3544 l_comp_room = 2;
3545 }
3546 l_chunk_size = 5 + 2 * l_comp_room;
3547 l_current_poc_nb = p_header_size / l_chunk_size;
3548 l_current_poc_remaining = p_header_size % l_chunk_size;
3549
3550 if ((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0)) {
3551 opj_event_msg(p_manager, EVT_ERROR, "Error reading POC marker\n");
3552 return OPJ_FALSE;
3553 }
3554
3555 l_cp = &(p_j2k->m_cp);
3556 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
3557 &l_cp->tcps[p_j2k->m_current_tile_number] :
3558 p_j2k->m_specific_param.m_decoder.m_default_tcp;
3559 l_old_poc_nb = l_tcp->POC ? l_tcp->numpocs + 1 : 0;
3560 l_current_poc_nb += l_old_poc_nb;
3561
3562 if (l_current_poc_nb >= J2K_MAX_POCS) {
3563 opj_event_msg(p_manager, EVT_ERROR, "Too many POCs %d\n", l_current_poc_nb);
3564 return OPJ_FALSE;
3565 }
3566
3567 /* now poc is in use.*/
3568 l_tcp->POC = 1;
3569
3570 l_current_poc = &l_tcp->pocs[l_old_poc_nb];
3571 for (i = l_old_poc_nb; i < l_current_poc_nb; ++i) {
3572 opj_read_bytes(p_header_data, &(l_current_poc->resno0),
3573 1); /* RSpoc_i */
3574 ++p_header_data;
3575 opj_read_bytes(p_header_data, &(l_current_poc->compno0),
3576 l_comp_room); /* CSpoc_i */
3577 p_header_data += l_comp_room;
3578 opj_read_bytes(p_header_data, &(l_current_poc->layno1),
3579 2); /* LYEpoc_i */
3580 /* make sure layer end is in acceptable bounds */
3581 l_current_poc->layno1 = opj_uint_min(l_current_poc->layno1, l_tcp->numlayers);
3582 p_header_data += 2;
3583 opj_read_bytes(p_header_data, &(l_current_poc->resno1),
3584 1); /* REpoc_i */
3585 ++p_header_data;
3586 opj_read_bytes(p_header_data, &(l_current_poc->compno1),
3587 l_comp_room); /* CEpoc_i */
3588 p_header_data += l_comp_room;
3589 opj_read_bytes(p_header_data, &l_tmp,
3590 1); /* Ppoc_i */
3591 ++p_header_data;
3592 l_current_poc->prg = (OPJ_PROG_ORDER) l_tmp;
3593 /* make sure comp is in acceptable bounds */
3594 l_current_poc->compno1 = opj_uint_min(l_current_poc->compno1, l_nb_comp);
3595 ++l_current_poc;
3596 }
3597
3598 l_tcp->numpocs = l_current_poc_nb - 1;
3599 return OPJ_TRUE;
3600 }
3601
3602 /**
3603 * Reads a CRG marker (Component registration)
3604 *
3605 * @param p_header_data the data contained in the TLM box.
3606 * @param p_j2k the jpeg2000 codec.
3607 * @param p_header_size the size of the data contained in the TLM marker.
3608 * @param p_manager the user event manager.
3609 */
opj_j2k_read_crg(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3610 static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
3611 OPJ_BYTE * p_header_data,
3612 OPJ_UINT32 p_header_size,
3613 opj_event_mgr_t * p_manager
3614 )
3615 {
3616 OPJ_UINT32 l_nb_comp;
3617 /* preconditions */
3618 assert(p_header_data != 00);
3619 assert(p_j2k != 00);
3620 assert(p_manager != 00);
3621
3622 OPJ_UNUSED(p_header_data);
3623
3624 l_nb_comp = p_j2k->m_private_image->numcomps;
3625
3626 if (p_header_size != l_nb_comp * 4) {
3627 opj_event_msg(p_manager, EVT_ERROR, "Error reading CRG marker\n");
3628 return OPJ_FALSE;
3629 }
3630 /* Do not care of this at the moment since only local variables are set here */
3631 /*
3632 for
3633 (i = 0; i < l_nb_comp; ++i)
3634 {
3635 opj_read_bytes(p_header_data,&l_Xcrg_i,2); // Xcrg_i
3636 p_header_data+=2;
3637 opj_read_bytes(p_header_data,&l_Ycrg_i,2); // Xcrg_i
3638 p_header_data+=2;
3639 }
3640 */
3641 return OPJ_TRUE;
3642 }
3643
3644 /**
3645 * Reads a TLM marker (Tile Length Marker)
3646 *
3647 * @param p_header_data the data contained in the TLM box.
3648 * @param p_j2k the jpeg2000 codec.
3649 * @param p_header_size the size of the data contained in the TLM marker.
3650 * @param p_manager the user event manager.
3651 */
opj_j2k_read_tlm(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3652 static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
3653 OPJ_BYTE * p_header_data,
3654 OPJ_UINT32 p_header_size,
3655 opj_event_mgr_t * p_manager
3656 )
3657 {
3658 OPJ_UINT32 l_Ztlm, l_Stlm, l_ST, l_SP, l_tot_num_tp_remaining, l_quotient,
3659 l_Ptlm_size;
3660 /* preconditions */
3661 assert(p_header_data != 00);
3662 assert(p_j2k != 00);
3663 assert(p_manager != 00);
3664
3665 OPJ_UNUSED(p_j2k);
3666
3667 if (p_header_size < 2) {
3668 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
3669 return OPJ_FALSE;
3670 }
3671 p_header_size -= 2;
3672
3673 opj_read_bytes(p_header_data, &l_Ztlm,
3674 1); /* Ztlm */
3675 ++p_header_data;
3676 opj_read_bytes(p_header_data, &l_Stlm,
3677 1); /* Stlm */
3678 ++p_header_data;
3679
3680 l_ST = ((l_Stlm >> 4) & 0x3);
3681 l_SP = (l_Stlm >> 6) & 0x1;
3682
3683 l_Ptlm_size = (l_SP + 1) * 2;
3684 l_quotient = l_Ptlm_size + l_ST;
3685
3686 l_tot_num_tp_remaining = p_header_size % l_quotient;
3687
3688 if (l_tot_num_tp_remaining != 0) {
3689 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
3690 return OPJ_FALSE;
3691 }
3692 /* FIXME Do not care of this at the moment since only local variables are set here */
3693 /*
3694 for
3695 (i = 0; i < l_tot_num_tp; ++i)
3696 {
3697 opj_read_bytes(p_header_data,&l_Ttlm_i,l_ST); // Ttlm_i
3698 p_header_data += l_ST;
3699 opj_read_bytes(p_header_data,&l_Ptlm_i,l_Ptlm_size); // Ptlm_i
3700 p_header_data += l_Ptlm_size;
3701 }*/
3702 return OPJ_TRUE;
3703 }
3704
3705 /**
3706 * Reads a PLM marker (Packet length, main header marker)
3707 *
3708 * @param p_header_data the data contained in the TLM box.
3709 * @param p_j2k the jpeg2000 codec.
3710 * @param p_header_size the size of the data contained in the TLM marker.
3711 * @param p_manager the user event manager.
3712 */
opj_j2k_read_plm(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3713 static OPJ_BOOL opj_j2k_read_plm(opj_j2k_t *p_j2k,
3714 OPJ_BYTE * p_header_data,
3715 OPJ_UINT32 p_header_size,
3716 opj_event_mgr_t * p_manager
3717 )
3718 {
3719 /* preconditions */
3720 assert(p_header_data != 00);
3721 assert(p_j2k != 00);
3722 assert(p_manager != 00);
3723
3724 OPJ_UNUSED(p_j2k);
3725 OPJ_UNUSED(p_header_data);
3726
3727 if (p_header_size < 1) {
3728 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3729 return OPJ_FALSE;
3730 }
3731 /* Do not care of this at the moment since only local variables are set here */
3732 /*
3733 opj_read_bytes(p_header_data,&l_Zplm,1); // Zplm
3734 ++p_header_data;
3735 --p_header_size;
3736
3737 while
3738 (p_header_size > 0)
3739 {
3740 opj_read_bytes(p_header_data,&l_Nplm,1); // Nplm
3741 ++p_header_data;
3742 p_header_size -= (1+l_Nplm);
3743 if
3744 (p_header_size < 0)
3745 {
3746 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3747 return false;
3748 }
3749 for
3750 (i = 0; i < l_Nplm; ++i)
3751 {
3752 opj_read_bytes(p_header_data,&l_tmp,1); // Iplm_ij
3753 ++p_header_data;
3754 // take only the last seven bytes
3755 l_packet_len |= (l_tmp & 0x7f);
3756 if
3757 (l_tmp & 0x80)
3758 {
3759 l_packet_len <<= 7;
3760 }
3761 else
3762 {
3763 // store packet length and proceed to next packet
3764 l_packet_len = 0;
3765 }
3766 }
3767 if
3768 (l_packet_len != 0)
3769 {
3770 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3771 return false;
3772 }
3773 }
3774 */
3775 return OPJ_TRUE;
3776 }
3777
3778 /**
3779 * Reads a PLT marker (Packet length, tile-part header)
3780 *
3781 * @param p_header_data the data contained in the PLT box.
3782 * @param p_j2k the jpeg2000 codec.
3783 * @param p_header_size the size of the data contained in the PLT marker.
3784 * @param p_manager the user event manager.
3785 */
opj_j2k_read_plt(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3786 static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
3787 OPJ_BYTE * p_header_data,
3788 OPJ_UINT32 p_header_size,
3789 opj_event_mgr_t * p_manager
3790 )
3791 {
3792 OPJ_UINT32 l_Zplt, l_tmp, l_packet_len = 0, i;
3793
3794 /* preconditions */
3795 assert(p_header_data != 00);
3796 assert(p_j2k != 00);
3797 assert(p_manager != 00);
3798
3799 OPJ_UNUSED(p_j2k);
3800
3801 if (p_header_size < 1) {
3802 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3803 return OPJ_FALSE;
3804 }
3805
3806 opj_read_bytes(p_header_data, &l_Zplt, 1); /* Zplt */
3807 ++p_header_data;
3808 --p_header_size;
3809
3810 for (i = 0; i < p_header_size; ++i) {
3811 opj_read_bytes(p_header_data, &l_tmp, 1); /* Iplt_ij */
3812 ++p_header_data;
3813 /* take only the last seven bytes */
3814 l_packet_len |= (l_tmp & 0x7f);
3815 if (l_tmp & 0x80) {
3816 l_packet_len <<= 7;
3817 } else {
3818 /* store packet length and proceed to next packet */
3819 l_packet_len = 0;
3820 }
3821 }
3822
3823 if (l_packet_len != 0) {
3824 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3825 return OPJ_FALSE;
3826 }
3827
3828 return OPJ_TRUE;
3829 }
3830
3831 /**
3832 * Reads a PPM marker (Packed packet headers, main header)
3833 *
3834 * @param p_header_data the data contained in the POC box.
3835 * @param p_j2k the jpeg2000 codec.
3836 * @param p_header_size the size of the data contained in the POC marker.
3837 * @param p_manager the user event manager.
3838 */
3839
opj_j2k_read_ppm(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)3840 static OPJ_BOOL opj_j2k_read_ppm(
3841 opj_j2k_t *p_j2k,
3842 OPJ_BYTE * p_header_data,
3843 OPJ_UINT32 p_header_size,
3844 opj_event_mgr_t * p_manager)
3845 {
3846 opj_cp_t *l_cp = 00;
3847 OPJ_UINT32 l_Z_ppm;
3848
3849 /* preconditions */
3850 assert(p_header_data != 00);
3851 assert(p_j2k != 00);
3852 assert(p_manager != 00);
3853
3854 /* We need to have the Z_ppm element + 1 byte of Nppm/Ippm at minimum */
3855 if (p_header_size < 2) {
3856 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
3857 return OPJ_FALSE;
3858 }
3859
3860 l_cp = &(p_j2k->m_cp);
3861 l_cp->ppm = 1;
3862
3863 opj_read_bytes(p_header_data, &l_Z_ppm, 1); /* Z_ppm */
3864 ++p_header_data;
3865 --p_header_size;
3866
3867 /* check allocation needed */
3868 if (l_cp->ppm_markers == NULL) { /* first PPM marker */
3869 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3870 assert(l_cp->ppm_markers_count == 0U);
3871
3872 l_cp->ppm_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
3873 if (l_cp->ppm_markers == NULL) {
3874 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3875 return OPJ_FALSE;
3876 }
3877 l_cp->ppm_markers_count = l_newCount;
3878 } else if (l_cp->ppm_markers_count <= l_Z_ppm) {
3879 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3880 opj_ppx *new_ppm_markers;
3881 new_ppm_markers = (opj_ppx *) opj_realloc(l_cp->ppm_markers,
3882 l_newCount * sizeof(opj_ppx));
3883 if (new_ppm_markers == NULL) {
3884 /* clean up to be done on l_cp destruction */
3885 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3886 return OPJ_FALSE;
3887 }
3888 l_cp->ppm_markers = new_ppm_markers;
3889 memset(l_cp->ppm_markers + l_cp->ppm_markers_count, 0,
3890 (l_newCount - l_cp->ppm_markers_count) * sizeof(opj_ppx));
3891 l_cp->ppm_markers_count = l_newCount;
3892 }
3893
3894 if (l_cp->ppm_markers[l_Z_ppm].m_data != NULL) {
3895 /* clean up to be done on l_cp destruction */
3896 opj_event_msg(p_manager, EVT_ERROR, "Zppm %u already read\n", l_Z_ppm);
3897 return OPJ_FALSE;
3898 }
3899
3900 l_cp->ppm_markers[l_Z_ppm].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
3901 if (l_cp->ppm_markers[l_Z_ppm].m_data == NULL) {
3902 /* clean up to be done on l_cp destruction */
3903 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3904 return OPJ_FALSE;
3905 }
3906 l_cp->ppm_markers[l_Z_ppm].m_data_size = p_header_size;
3907 memcpy(l_cp->ppm_markers[l_Z_ppm].m_data, p_header_data, p_header_size);
3908
3909 return OPJ_TRUE;
3910 }
3911
3912 /**
3913 * Merges all PPM markers read (Packed headers, main header)
3914 *
3915 * @param p_cp main coding parameters.
3916 * @param p_manager the user event manager.
3917 */
opj_j2k_merge_ppm(opj_cp_t * p_cp,opj_event_mgr_t * p_manager)3918 static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager)
3919 {
3920 OPJ_UINT32 i, l_ppm_data_size, l_N_ppm_remaining;
3921
3922 /* preconditions */
3923 assert(p_cp != 00);
3924 assert(p_manager != 00);
3925 assert(p_cp->ppm_buffer == NULL);
3926
3927 if (p_cp->ppm == 0U) {
3928 return OPJ_TRUE;
3929 }
3930
3931 l_ppm_data_size = 0U;
3932 l_N_ppm_remaining = 0U;
3933 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3934 if (p_cp->ppm_markers[i].m_data !=
3935 NULL) { /* standard doesn't seem to require contiguous Zppm */
3936 OPJ_UINT32 l_N_ppm;
3937 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3938 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3939
3940 if (l_N_ppm_remaining >= l_data_size) {
3941 l_N_ppm_remaining -= l_data_size;
3942 l_data_size = 0U;
3943 } else {
3944 l_data += l_N_ppm_remaining;
3945 l_data_size -= l_N_ppm_remaining;
3946 l_N_ppm_remaining = 0U;
3947 }
3948
3949 if (l_data_size > 0U) {
3950 do {
3951 /* read Nppm */
3952 if (l_data_size < 4U) {
3953 /* clean up to be done on l_cp destruction */
3954 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
3955 return OPJ_FALSE;
3956 }
3957 opj_read_bytes(l_data, &l_N_ppm, 4);
3958 l_data += 4;
3959 l_data_size -= 4;
3960 l_ppm_data_size +=
3961 l_N_ppm; /* can't overflow, max 256 markers of max 65536 bytes, that is when PPM markers are not corrupted which is checked elsewhere */
3962
3963 if (l_data_size >= l_N_ppm) {
3964 l_data_size -= l_N_ppm;
3965 l_data += l_N_ppm;
3966 } else {
3967 l_N_ppm_remaining = l_N_ppm - l_data_size;
3968 l_data_size = 0U;
3969 }
3970 } while (l_data_size > 0U);
3971 }
3972 }
3973 }
3974
3975 if (l_N_ppm_remaining != 0U) {
3976 /* clean up to be done on l_cp destruction */
3977 opj_event_msg(p_manager, EVT_ERROR, "Corrupted PPM markers\n");
3978 return OPJ_FALSE;
3979 }
3980
3981 p_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_ppm_data_size);
3982 if (p_cp->ppm_buffer == 00) {
3983 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3984 return OPJ_FALSE;
3985 }
3986 p_cp->ppm_len = l_ppm_data_size;
3987 l_ppm_data_size = 0U;
3988 l_N_ppm_remaining = 0U;
3989 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3990 if (p_cp->ppm_markers[i].m_data !=
3991 NULL) { /* standard doesn't seem to require contiguous Zppm */
3992 OPJ_UINT32 l_N_ppm;
3993 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3994 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3995
3996 if (l_N_ppm_remaining >= l_data_size) {
3997 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
3998 l_ppm_data_size += l_data_size;
3999 l_N_ppm_remaining -= l_data_size;
4000 l_data_size = 0U;
4001 } else {
4002 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm_remaining);
4003 l_ppm_data_size += l_N_ppm_remaining;
4004 l_data += l_N_ppm_remaining;
4005 l_data_size -= l_N_ppm_remaining;
4006 l_N_ppm_remaining = 0U;
4007 }
4008
4009 if (l_data_size > 0U) {
4010 do {
4011 /* read Nppm */
4012 if (l_data_size < 4U) {
4013 /* clean up to be done on l_cp destruction */
4014 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
4015 return OPJ_FALSE;
4016 }
4017 opj_read_bytes(l_data, &l_N_ppm, 4);
4018 l_data += 4;
4019 l_data_size -= 4;
4020
4021 if (l_data_size >= l_N_ppm) {
4022 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm);
4023 l_ppm_data_size += l_N_ppm;
4024 l_data_size -= l_N_ppm;
4025 l_data += l_N_ppm;
4026 } else {
4027 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
4028 l_ppm_data_size += l_data_size;
4029 l_N_ppm_remaining = l_N_ppm - l_data_size;
4030 l_data_size = 0U;
4031 }
4032 } while (l_data_size > 0U);
4033 }
4034 opj_free(p_cp->ppm_markers[i].m_data);
4035 p_cp->ppm_markers[i].m_data = NULL;
4036 p_cp->ppm_markers[i].m_data_size = 0U;
4037 }
4038 }
4039
4040 p_cp->ppm_data = p_cp->ppm_buffer;
4041 p_cp->ppm_data_size = p_cp->ppm_len;
4042
4043 p_cp->ppm_markers_count = 0U;
4044 opj_free(p_cp->ppm_markers);
4045 p_cp->ppm_markers = NULL;
4046
4047 return OPJ_TRUE;
4048 }
4049
4050 /**
4051 * Reads a PPT marker (Packed packet headers, tile-part header)
4052 *
4053 * @param p_header_data the data contained in the PPT box.
4054 * @param p_j2k the jpeg2000 codec.
4055 * @param p_header_size the size of the data contained in the PPT marker.
4056 * @param p_manager the user event manager.
4057 */
opj_j2k_read_ppt(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)4058 static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
4059 OPJ_BYTE * p_header_data,
4060 OPJ_UINT32 p_header_size,
4061 opj_event_mgr_t * p_manager
4062 )
4063 {
4064 opj_cp_t *l_cp = 00;
4065 opj_tcp_t *l_tcp = 00;
4066 OPJ_UINT32 l_Z_ppt;
4067
4068 /* preconditions */
4069 assert(p_header_data != 00);
4070 assert(p_j2k != 00);
4071 assert(p_manager != 00);
4072
4073 /* We need to have the Z_ppt element + 1 byte of Ippt at minimum */
4074 if (p_header_size < 2) {
4075 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker\n");
4076 return OPJ_FALSE;
4077 }
4078
4079 l_cp = &(p_j2k->m_cp);
4080 if (l_cp->ppm) {
4081 opj_event_msg(p_manager, EVT_ERROR,
4082 "Error reading PPT marker: packet header have been previously found in the main header (PPM marker).\n");
4083 return OPJ_FALSE;
4084 }
4085
4086 l_tcp = &(l_cp->tcps[p_j2k->m_current_tile_number]);
4087 l_tcp->ppt = 1;
4088
4089 opj_read_bytes(p_header_data, &l_Z_ppt, 1); /* Z_ppt */
4090 ++p_header_data;
4091 --p_header_size;
4092
4093 /* check allocation needed */
4094 if (l_tcp->ppt_markers == NULL) { /* first PPT marker */
4095 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4096 assert(l_tcp->ppt_markers_count == 0U);
4097
4098 l_tcp->ppt_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
4099 if (l_tcp->ppt_markers == NULL) {
4100 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4101 return OPJ_FALSE;
4102 }
4103 l_tcp->ppt_markers_count = l_newCount;
4104 } else if (l_tcp->ppt_markers_count <= l_Z_ppt) {
4105 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4106 opj_ppx *new_ppt_markers;
4107 new_ppt_markers = (opj_ppx *) opj_realloc(l_tcp->ppt_markers,
4108 l_newCount * sizeof(opj_ppx));
4109 if (new_ppt_markers == NULL) {
4110 /* clean up to be done on l_tcp destruction */
4111 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4112 return OPJ_FALSE;
4113 }
4114 l_tcp->ppt_markers = new_ppt_markers;
4115 memset(l_tcp->ppt_markers + l_tcp->ppt_markers_count, 0,
4116 (l_newCount - l_tcp->ppt_markers_count) * sizeof(opj_ppx));
4117 l_tcp->ppt_markers_count = l_newCount;
4118 }
4119
4120 if (l_tcp->ppt_markers[l_Z_ppt].m_data != NULL) {
4121 /* clean up to be done on l_tcp destruction */
4122 opj_event_msg(p_manager, EVT_ERROR, "Zppt %u already read\n", l_Z_ppt);
4123 return OPJ_FALSE;
4124 }
4125
4126 l_tcp->ppt_markers[l_Z_ppt].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
4127 if (l_tcp->ppt_markers[l_Z_ppt].m_data == NULL) {
4128 /* clean up to be done on l_tcp destruction */
4129 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4130 return OPJ_FALSE;
4131 }
4132 l_tcp->ppt_markers[l_Z_ppt].m_data_size = p_header_size;
4133 memcpy(l_tcp->ppt_markers[l_Z_ppt].m_data, p_header_data, p_header_size);
4134 return OPJ_TRUE;
4135 }
4136
4137 /**
4138 * Merges all PPT markers read (Packed packet headers, tile-part header)
4139 *
4140 * @param p_tcp the tile.
4141 * @param p_manager the user event manager.
4142 */
opj_j2k_merge_ppt(opj_tcp_t * p_tcp,opj_event_mgr_t * p_manager)4143 static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp, opj_event_mgr_t * p_manager)
4144 {
4145 OPJ_UINT32 i, l_ppt_data_size;
4146 /* preconditions */
4147 assert(p_tcp != 00);
4148 assert(p_manager != 00);
4149
4150 if (p_tcp->ppt_buffer != NULL) {
4151 opj_event_msg(p_manager, EVT_ERROR,
4152 "opj_j2k_merge_ppt() has already been called\n");
4153 return OPJ_FALSE;
4154 }
4155
4156 if (p_tcp->ppt == 0U) {
4157 return OPJ_TRUE;
4158 }
4159
4160 l_ppt_data_size = 0U;
4161 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4162 l_ppt_data_size +=
4163 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4164 }
4165
4166 p_tcp->ppt_buffer = (OPJ_BYTE *) opj_malloc(l_ppt_data_size);
4167 if (p_tcp->ppt_buffer == 00) {
4168 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4169 return OPJ_FALSE;
4170 }
4171 p_tcp->ppt_len = l_ppt_data_size;
4172 l_ppt_data_size = 0U;
4173 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4174 if (p_tcp->ppt_markers[i].m_data !=
4175 NULL) { /* standard doesn't seem to require contiguous Zppt */
4176 memcpy(p_tcp->ppt_buffer + l_ppt_data_size, p_tcp->ppt_markers[i].m_data,
4177 p_tcp->ppt_markers[i].m_data_size);
4178 l_ppt_data_size +=
4179 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4180
4181 opj_free(p_tcp->ppt_markers[i].m_data);
4182 p_tcp->ppt_markers[i].m_data = NULL;
4183 p_tcp->ppt_markers[i].m_data_size = 0U;
4184 }
4185 }
4186
4187 p_tcp->ppt_markers_count = 0U;
4188 opj_free(p_tcp->ppt_markers);
4189 p_tcp->ppt_markers = NULL;
4190
4191 p_tcp->ppt_data = p_tcp->ppt_buffer;
4192 p_tcp->ppt_data_size = p_tcp->ppt_len;
4193 return OPJ_TRUE;
4194 }
4195
opj_j2k_write_tlm(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4196 static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
4197 opj_stream_private_t *p_stream,
4198 opj_event_mgr_t * p_manager
4199 )
4200 {
4201 OPJ_BYTE * l_current_data = 00;
4202 OPJ_UINT32 l_tlm_size;
4203 OPJ_UINT32 size_per_tile_part;
4204
4205 /* preconditions */
4206 assert(p_j2k != 00);
4207 assert(p_manager != 00);
4208 assert(p_stream != 00);
4209
4210 /* 10921 = (65535 - header_size) / size_per_tile_part where */
4211 /* header_size = 4 and size_per_tile_part = 6 */
4212 if (p_j2k->m_specific_param.m_encoder.m_total_tile_parts > 10921) {
4213 /* We could do more but it would require writing several TLM markers */
4214 opj_event_msg(p_manager, EVT_ERROR,
4215 "A maximum of 10921 tile-parts are supported currently "
4216 "when writing TLM marker\n");
4217 return OPJ_FALSE;
4218 }
4219
4220 if (p_j2k->m_specific_param.m_encoder.m_total_tile_parts <= 255) {
4221 size_per_tile_part = 5;
4222 p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte = OPJ_TRUE;
4223 } else {
4224 size_per_tile_part = 6;
4225 p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte = OPJ_FALSE;
4226 }
4227
4228 l_tlm_size = 2 + 4 + (size_per_tile_part *
4229 p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
4230
4231 if (l_tlm_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
4232 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
4233 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size);
4234 if (! new_header_tile_data) {
4235 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
4236 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
4237 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
4238 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write TLM marker\n");
4239 return OPJ_FALSE;
4240 }
4241 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
4242 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_tlm_size;
4243 }
4244 memset(p_j2k->m_specific_param.m_encoder.m_header_tile_data, 0, l_tlm_size);
4245
4246 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
4247
4248 /* change the way data is written to avoid seeking if possible */
4249 /* TODO */
4250 p_j2k->m_specific_param.m_encoder.m_tlm_start = opj_stream_tell(p_stream);
4251
4252 opj_write_bytes(l_current_data, J2K_MS_TLM,
4253 2); /* TLM */
4254 l_current_data += 2;
4255
4256 opj_write_bytes(l_current_data, l_tlm_size - 2,
4257 2); /* Lpoc */
4258 l_current_data += 2;
4259
4260 opj_write_bytes(l_current_data, 0,
4261 1); /* Ztlm=0*/
4262 ++l_current_data;
4263
4264 /* Stlm 0x50= ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
4265 /* Stlm 0x60= ST=2(16bits-65535 tiles max),SP=1(Ptlm=32bits) */
4266 opj_write_bytes(l_current_data,
4267 size_per_tile_part == 5 ? 0x50 : 0x60,
4268 1);
4269 ++l_current_data;
4270
4271 /* do nothing on the size_per_tile_part * l_j2k->m_specific_param.m_encoder.m_total_tile_parts remaining data */
4272 if (opj_stream_write_data(p_stream,
4273 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size,
4274 p_manager) != l_tlm_size) {
4275 return OPJ_FALSE;
4276 }
4277
4278 return OPJ_TRUE;
4279 }
4280
opj_j2k_write_sot(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 total_data_size,OPJ_UINT32 * p_data_written,const opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4281 static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
4282 OPJ_BYTE * p_data,
4283 OPJ_UINT32 total_data_size,
4284 OPJ_UINT32 * p_data_written,
4285 const opj_stream_private_t *p_stream,
4286 opj_event_mgr_t * p_manager
4287 )
4288 {
4289 /* preconditions */
4290 assert(p_j2k != 00);
4291 assert(p_manager != 00);
4292 assert(p_stream != 00);
4293
4294 OPJ_UNUSED(p_stream);
4295
4296 if (total_data_size < 12) {
4297 opj_event_msg(p_manager, EVT_ERROR,
4298 "Not enough bytes in output buffer to write SOT marker\n");
4299 return OPJ_FALSE;
4300 }
4301
4302 opj_write_bytes(p_data, J2K_MS_SOT,
4303 2); /* SOT */
4304 p_data += 2;
4305
4306 opj_write_bytes(p_data, 10,
4307 2); /* Lsot */
4308 p_data += 2;
4309
4310 opj_write_bytes(p_data, p_j2k->m_current_tile_number,
4311 2); /* Isot */
4312 p_data += 2;
4313
4314 /* Psot */
4315 p_data += 4;
4316
4317 opj_write_bytes(p_data,
4318 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number,
4319 1); /* TPsot */
4320 ++p_data;
4321
4322 opj_write_bytes(p_data,
4323 p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts,
4324 1); /* TNsot */
4325 ++p_data;
4326
4327 /* UniPG>> */
4328 #ifdef USE_JPWL
4329 /* update markers struct */
4330 /*
4331 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOT, p_j2k->sot_start, len + 2);
4332 */
4333 assert(0 && "TODO");
4334 #endif /* USE_JPWL */
4335
4336 * p_data_written = 12;
4337
4338 return OPJ_TRUE;
4339 }
4340
opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,OPJ_UINT32 * p_tile_no,OPJ_UINT32 * p_tot_len,OPJ_UINT32 * p_current_part,OPJ_UINT32 * p_num_parts,opj_event_mgr_t * p_manager)4341 static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
4342 OPJ_UINT32 p_header_size,
4343 OPJ_UINT32* p_tile_no,
4344 OPJ_UINT32* p_tot_len,
4345 OPJ_UINT32* p_current_part,
4346 OPJ_UINT32* p_num_parts,
4347 opj_event_mgr_t * p_manager)
4348 {
4349 /* preconditions */
4350 assert(p_header_data != 00);
4351 assert(p_manager != 00);
4352
4353 /* Size of this marker is fixed = 12 (we have already read marker and its size)*/
4354 if (p_header_size != 8) {
4355 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
4356 return OPJ_FALSE;
4357 }
4358
4359 opj_read_bytes(p_header_data, p_tile_no, 2); /* Isot */
4360 p_header_data += 2;
4361 opj_read_bytes(p_header_data, p_tot_len, 4); /* Psot */
4362 p_header_data += 4;
4363 opj_read_bytes(p_header_data, p_current_part, 1); /* TPsot */
4364 ++p_header_data;
4365 opj_read_bytes(p_header_data, p_num_parts, 1); /* TNsot */
4366 ++p_header_data;
4367 return OPJ_TRUE;
4368 }
4369
opj_j2k_read_sot(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)4370 static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
4371 OPJ_BYTE * p_header_data,
4372 OPJ_UINT32 p_header_size,
4373 opj_event_mgr_t * p_manager)
4374 {
4375 opj_cp_t *l_cp = 00;
4376 opj_tcp_t *l_tcp = 00;
4377 OPJ_UINT32 l_tot_len, l_num_parts = 0;
4378 OPJ_UINT32 l_current_part;
4379 OPJ_UINT32 l_tile_x, l_tile_y;
4380
4381 /* preconditions */
4382
4383 assert(p_j2k != 00);
4384 assert(p_manager != 00);
4385
4386 if (! opj_j2k_get_sot_values(p_header_data, p_header_size,
4387 &(p_j2k->m_current_tile_number), &l_tot_len, &l_current_part, &l_num_parts,
4388 p_manager)) {
4389 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
4390 return OPJ_FALSE;
4391 }
4392 #ifdef DEBUG_VERBOSE
4393 fprintf(stderr, "SOT %d %d %d %d\n",
4394 p_j2k->m_current_tile_number, l_tot_len, l_current_part, l_num_parts);
4395 #endif
4396
4397 l_cp = &(p_j2k->m_cp);
4398
4399 /* testcase 2.pdf.SIGFPE.706.1112 */
4400 if (p_j2k->m_current_tile_number >= l_cp->tw * l_cp->th) {
4401 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile number %d\n",
4402 p_j2k->m_current_tile_number);
4403 return OPJ_FALSE;
4404 }
4405
4406 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
4407 l_tile_x = p_j2k->m_current_tile_number % l_cp->tw;
4408 l_tile_y = p_j2k->m_current_tile_number / l_cp->tw;
4409
4410 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec < 0 ||
4411 p_j2k->m_current_tile_number == (OPJ_UINT32)
4412 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec) {
4413 /* Do only this check if we decode all tile part headers, or if */
4414 /* we decode one precise tile. Otherwise the m_current_tile_part_number */
4415 /* might not be valid */
4416 /* Fixes issue with id_000020,sig_06,src_001958,op_flip4,pos_149 */
4417 /* of https://github.com/uclouvain/openjpeg/issues/939 */
4418 /* We must avoid reading twice the same tile part number for a given tile */
4419 /* so as to avoid various issues, like opj_j2k_merge_ppt being called */
4420 /* several times. */
4421 /* ISO 15444-1 A.4.2 Start of tile-part (SOT) mandates that tile parts */
4422 /* should appear in increasing order. */
4423 if (l_tcp->m_current_tile_part_number + 1 != (OPJ_INT32)l_current_part) {
4424 opj_event_msg(p_manager, EVT_ERROR,
4425 "Invalid tile part index for tile number %d. "
4426 "Got %d, expected %d\n",
4427 p_j2k->m_current_tile_number,
4428 l_current_part,
4429 l_tcp->m_current_tile_part_number + 1);
4430 return OPJ_FALSE;
4431 }
4432 }
4433
4434 l_tcp->m_current_tile_part_number = (OPJ_INT32) l_current_part;
4435
4436 #ifdef USE_JPWL
4437 if (l_cp->correct) {
4438
4439 OPJ_UINT32 tileno = p_j2k->m_current_tile_number;
4440 static OPJ_UINT32 backup_tileno = 0;
4441
4442 /* tileno is negative or larger than the number of tiles!!! */
4443 if (tileno > (l_cp->tw * l_cp->th)) {
4444 opj_event_msg(p_manager, EVT_ERROR,
4445 "JPWL: bad tile number (%d out of a maximum of %d)\n",
4446 tileno, (l_cp->tw * l_cp->th));
4447 if (!JPWL_ASSUME) {
4448 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4449 return OPJ_FALSE;
4450 }
4451 /* we try to correct */
4452 tileno = backup_tileno;
4453 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4454 "- setting tile number to %d\n",
4455 tileno);
4456 }
4457
4458 /* keep your private count of tiles */
4459 backup_tileno++;
4460 };
4461 #endif /* USE_JPWL */
4462
4463 /* look for the tile in the list of already processed tile (in parts). */
4464 /* Optimization possible here with a more complex data structure and with the removing of tiles */
4465 /* since the time taken by this function can only grow at the time */
4466
4467 /* PSot should be equal to zero or >=14 or <= 2^32-1 */
4468 if ((l_tot_len != 0) && (l_tot_len < 14)) {
4469 if (l_tot_len ==
4470 12) { /* MSD: Special case for the PHR data which are read by kakadu*/
4471 opj_event_msg(p_manager, EVT_WARNING, "Empty SOT marker detected: Psot=%d.\n",
4472 l_tot_len);
4473 } else {
4474 opj_event_msg(p_manager, EVT_ERROR,
4475 "Psot value is not correct regards to the JPEG2000 norm: %d.\n", l_tot_len);
4476 return OPJ_FALSE;
4477 }
4478 }
4479
4480 #ifdef USE_JPWL
4481 if (l_cp->correct) {
4482
4483 /* totlen is negative or larger than the bytes left!!! */
4484 if (/*(l_tot_len < 0) ||*/ (l_tot_len >
4485 p_header_size)) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */
4486 opj_event_msg(p_manager, EVT_ERROR,
4487 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
4488 l_tot_len,
4489 p_header_size); /* FIXME it seems correct; for info in V1 -> p_stream_numbytesleft(p_stream) + 8); */
4490 if (!JPWL_ASSUME) {
4491 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4492 return OPJ_FALSE;
4493 }
4494 /* we try to correct */
4495 l_tot_len = 0;
4496 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4497 "- setting Psot to %d => assuming it is the last tile\n",
4498 l_tot_len);
4499 }
4500 };
4501 #endif /* USE_JPWL */
4502
4503 /* Ref A.4.2: Psot could be equal zero if it is the last tile-part of the codestream.*/
4504 if (!l_tot_len) {
4505 opj_event_msg(p_manager, EVT_INFO,
4506 "Psot value of the current tile-part is equal to zero, "
4507 "we assuming it is the last tile-part of the codestream.\n");
4508 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4509 }
4510
4511 if (l_tcp->m_nb_tile_parts != 0 && l_current_part >= l_tcp->m_nb_tile_parts) {
4512 /* Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2851 */
4513 opj_event_msg(p_manager, EVT_ERROR,
4514 "In SOT marker, TPSot (%d) is not valid regards to the previous "
4515 "number of tile-part (%d), giving up\n", l_current_part,
4516 l_tcp->m_nb_tile_parts);
4517 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4518 return OPJ_FALSE;
4519 }
4520
4521 if (l_num_parts !=
4522 0) { /* Number of tile-part header is provided by this tile-part header */
4523 l_num_parts += p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction;
4524 /* Useful to manage the case of textGBR.jp2 file because two values of TNSot are allowed: the correct numbers of
4525 * tile-parts for that tile and zero (A.4.2 of 15444-1 : 2002). */
4526 if (l_tcp->m_nb_tile_parts) {
4527 if (l_current_part >= l_tcp->m_nb_tile_parts) {
4528 opj_event_msg(p_manager, EVT_ERROR,
4529 "In SOT marker, TPSot (%d) is not valid regards to the current "
4530 "number of tile-part (%d), giving up\n", l_current_part,
4531 l_tcp->m_nb_tile_parts);
4532 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4533 return OPJ_FALSE;
4534 }
4535 }
4536 if (l_current_part >= l_num_parts) {
4537 /* testcase 451.pdf.SIGSEGV.ce9.3723 */
4538 opj_event_msg(p_manager, EVT_ERROR,
4539 "In SOT marker, TPSot (%d) is not valid regards to the current "
4540 "number of tile-part (header) (%d), giving up\n", l_current_part, l_num_parts);
4541 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4542 return OPJ_FALSE;
4543 }
4544 l_tcp->m_nb_tile_parts = l_num_parts;
4545 }
4546
4547 /* If know the number of tile part header we will check if we didn't read the last*/
4548 if (l_tcp->m_nb_tile_parts) {
4549 if (l_tcp->m_nb_tile_parts == (l_current_part + 1)) {
4550 p_j2k->m_specific_param.m_decoder.m_can_decode =
4551 1; /* Process the last tile-part header*/
4552 }
4553 }
4554
4555 if (!p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4556 /* Keep the size of data to skip after this marker */
4557 p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len -
4558 12; /* SOT_marker_size = 12 */
4559 } else {
4560 /* FIXME: need to be computed from the number of bytes remaining in the codestream */
4561 p_j2k->m_specific_param.m_decoder.m_sot_length = 0;
4562 }
4563
4564 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPH;
4565
4566 /* Check if the current tile is outside the area we want decode or not corresponding to the tile index*/
4567 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec == -1) {
4568 p_j2k->m_specific_param.m_decoder.m_skip_data =
4569 (l_tile_x < p_j2k->m_specific_param.m_decoder.m_start_tile_x)
4570 || (l_tile_x >= p_j2k->m_specific_param.m_decoder.m_end_tile_x)
4571 || (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y)
4572 || (l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y);
4573 } else {
4574 assert(p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec >= 0);
4575 p_j2k->m_specific_param.m_decoder.m_skip_data =
4576 (p_j2k->m_current_tile_number != (OPJ_UINT32)
4577 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec);
4578 }
4579
4580 /* Index */
4581 if (p_j2k->cstr_index) {
4582 assert(p_j2k->cstr_index->tile_index != 00);
4583 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tileno =
4584 p_j2k->m_current_tile_number;
4585 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno =
4586 l_current_part;
4587
4588 if (l_num_parts != 0) {
4589 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps =
4590 l_num_parts;
4591 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4592 l_num_parts;
4593
4594 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4595 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4596 (opj_tp_index_t*)opj_calloc(l_num_parts, sizeof(opj_tp_index_t));
4597 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4598 opj_event_msg(p_manager, EVT_ERROR,
4599 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4600 return OPJ_FALSE;
4601 }
4602 } else {
4603 opj_tp_index_t *new_tp_index = (opj_tp_index_t *) opj_realloc(
4604 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4605 l_num_parts * sizeof(opj_tp_index_t));
4606 if (! new_tp_index) {
4607 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4608 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4609 opj_event_msg(p_manager, EVT_ERROR,
4610 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4611 return OPJ_FALSE;
4612 }
4613 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4614 new_tp_index;
4615 }
4616 } else {
4617 /*if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index)*/ {
4618
4619 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4620 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 10;
4621 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4622 (opj_tp_index_t*)opj_calloc(
4623 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps,
4624 sizeof(opj_tp_index_t));
4625 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4626 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4627 opj_event_msg(p_manager, EVT_ERROR,
4628 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4629 return OPJ_FALSE;
4630 }
4631 }
4632
4633 if (l_current_part >=
4634 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps) {
4635 opj_tp_index_t *new_tp_index;
4636 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4637 l_current_part + 1;
4638 new_tp_index = (opj_tp_index_t *) opj_realloc(
4639 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4640 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps *
4641 sizeof(opj_tp_index_t));
4642 if (! new_tp_index) {
4643 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4644 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4645 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4646 opj_event_msg(p_manager, EVT_ERROR,
4647 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4648 return OPJ_FALSE;
4649 }
4650 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4651 new_tp_index;
4652 }
4653 }
4654
4655 }
4656
4657 }
4658
4659 /* FIXME move this onto a separate method to call before reading any SOT, remove part about main_end header, use a index struct inside p_j2k */
4660 /* if (p_j2k->cstr_info) {
4661 if (l_tcp->first) {
4662 if (tileno == 0) {
4663 p_j2k->cstr_info->main_head_end = p_stream_tell(p_stream) - 13;
4664 }
4665
4666 p_j2k->cstr_info->tile[tileno].tileno = tileno;
4667 p_j2k->cstr_info->tile[tileno].start_pos = p_stream_tell(p_stream) - 12;
4668 p_j2k->cstr_info->tile[tileno].end_pos = p_j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
4669 p_j2k->cstr_info->tile[tileno].num_tps = numparts;
4670
4671 if (numparts) {
4672 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
4673 }
4674 else {
4675 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
4676 }
4677 }
4678 else {
4679 p_j2k->cstr_info->tile[tileno].end_pos += totlen;
4680 }
4681
4682 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = p_stream_tell(p_stream) - 12;
4683 p_j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
4684 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
4685 }*/
4686 return OPJ_TRUE;
4687 }
4688
4689 /**
4690 * Write one or more PLT markers in the provided buffer
4691 */
opj_j2k_write_plt_in_memory(opj_j2k_t * p_j2k,opj_tcd_marker_info_t * marker_info,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,opj_event_mgr_t * p_manager)4692 static OPJ_BOOL opj_j2k_write_plt_in_memory(opj_j2k_t *p_j2k,
4693 opj_tcd_marker_info_t* marker_info,
4694 OPJ_BYTE * p_data,
4695 OPJ_UINT32 * p_data_written,
4696 opj_event_mgr_t * p_manager)
4697 {
4698 OPJ_BYTE Zplt = 0;
4699 OPJ_UINT16 Lplt;
4700 OPJ_BYTE* p_data_start = p_data;
4701 OPJ_BYTE* p_data_Lplt = p_data + 2;
4702 OPJ_UINT32 i;
4703
4704 OPJ_UNUSED(p_j2k);
4705
4706 opj_write_bytes(p_data, J2K_MS_PLT, 2);
4707 p_data += 2;
4708
4709 /* Reserve space for Lplt */
4710 p_data += 2;
4711
4712 opj_write_bytes(p_data, Zplt, 1);
4713 p_data += 1;
4714
4715 Lplt = 3;
4716
4717 for (i = 0; i < marker_info->packet_count; i++) {
4718 OPJ_BYTE var_bytes[5];
4719 OPJ_UINT8 var_bytes_size = 0;
4720 OPJ_UINT32 packet_size = marker_info->p_packet_size[i];
4721
4722 /* Packet size written in variable-length way, starting with LSB */
4723 var_bytes[var_bytes_size] = (OPJ_BYTE)(packet_size & 0x7f);
4724 var_bytes_size ++;
4725 packet_size >>= 7;
4726 while (packet_size > 0) {
4727 var_bytes[var_bytes_size] = (OPJ_BYTE)((packet_size & 0x7f) | 0x80);
4728 var_bytes_size ++;
4729 packet_size >>= 7;
4730 }
4731
4732 /* Check if that can fit in the current PLT marker. If not, finish */
4733 /* current one, and start a new one */
4734 if (Lplt + var_bytes_size > 65535) {
4735 if (Zplt == 255) {
4736 opj_event_msg(p_manager, EVT_ERROR,
4737 "More than 255 PLT markers would be needed for current tile-part !\n");
4738 return OPJ_FALSE;
4739 }
4740
4741 /* Patch Lplt */
4742 opj_write_bytes(p_data_Lplt, Lplt, 2);
4743
4744 /* Start new segment */
4745 opj_write_bytes(p_data, J2K_MS_PLT, 2);
4746 p_data += 2;
4747
4748 /* Reserve space for Lplt */
4749 p_data_Lplt = p_data;
4750 p_data += 2;
4751
4752 Zplt ++;
4753 opj_write_bytes(p_data, Zplt, 1);
4754 p_data += 1;
4755
4756 Lplt = 3;
4757 }
4758
4759 Lplt = (OPJ_UINT16)(Lplt + var_bytes_size);
4760
4761 /* Serialize variable-length packet size, starting with MSB */
4762 for (; var_bytes_size > 0; --var_bytes_size) {
4763 opj_write_bytes(p_data, var_bytes[var_bytes_size - 1], 1);
4764 p_data += 1;
4765 }
4766 }
4767
4768 *p_data_written = (OPJ_UINT32)(p_data - p_data_start);
4769
4770 /* Patch Lplt */
4771 opj_write_bytes(p_data_Lplt, Lplt, 2);
4772
4773 return OPJ_TRUE;
4774 }
4775
opj_j2k_write_sod(opj_j2k_t * p_j2k,opj_tcd_t * p_tile_coder,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,OPJ_UINT32 total_data_size,const opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4776 static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
4777 opj_tcd_t * p_tile_coder,
4778 OPJ_BYTE * p_data,
4779 OPJ_UINT32 * p_data_written,
4780 OPJ_UINT32 total_data_size,
4781 const opj_stream_private_t *p_stream,
4782 opj_event_mgr_t * p_manager
4783 )
4784 {
4785 opj_codestream_info_t *l_cstr_info = 00;
4786 OPJ_UINT32 l_remaining_data;
4787 opj_tcd_marker_info_t* marker_info = NULL;
4788
4789 /* preconditions */
4790 assert(p_j2k != 00);
4791 assert(p_manager != 00);
4792 assert(p_stream != 00);
4793
4794 OPJ_UNUSED(p_stream);
4795
4796 if (total_data_size < 4) {
4797 opj_event_msg(p_manager, EVT_ERROR,
4798 "Not enough bytes in output buffer to write SOD marker\n");
4799 return OPJ_FALSE;
4800 }
4801
4802 opj_write_bytes(p_data, J2K_MS_SOD,
4803 2); /* SOD */
4804
4805 /* make room for the EOF marker */
4806 l_remaining_data = total_data_size - 4;
4807
4808 /* update tile coder */
4809 p_tile_coder->tp_num =
4810 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number ;
4811 p_tile_coder->cur_tp_num =
4812 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
4813
4814 /* INDEX >> */
4815 /* TODO mergeV2: check this part which use cstr_info */
4816 /*l_cstr_info = p_j2k->cstr_info;
4817 if (l_cstr_info) {
4818 if (!p_j2k->m_specific_param.m_encoder.m_current_tile_part_number ) {
4819 //TODO cstr_info->tile[p_j2k->m_current_tile_number].end_header = p_stream_tell(p_stream) + p_j2k->pos_correction - 1;
4820 l_cstr_info->tile[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
4821 }
4822 else {*/
4823 /*
4824 TODO
4825 if
4826 (cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno - 1].end_pos < p_stream_tell(p_stream))
4827 {
4828 cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno].start_pos = p_stream_tell(p_stream);
4829 }*/
4830 /*}*/
4831 /* UniPG>> */
4832 #ifdef USE_JPWL
4833 /* update markers struct */
4834 /*OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOD, p_j2k->sod_start, 2);
4835 */
4836 assert(0 && "TODO");
4837 #endif /* USE_JPWL */
4838 /* <<UniPG */
4839 /*}*/
4840 /* << INDEX */
4841
4842 if (p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0) {
4843 p_tile_coder->tcd_image->tiles->packno = 0;
4844 #ifdef deadcode
4845 if (l_cstr_info) {
4846 l_cstr_info->packno = 0;
4847 }
4848 #endif
4849 }
4850
4851 *p_data_written = 0;
4852
4853 if (p_j2k->m_specific_param.m_encoder.m_PLT) {
4854 marker_info = opj_tcd_marker_info_create(
4855 p_j2k->m_specific_param.m_encoder.m_PLT);
4856 if (marker_info == NULL) {
4857 opj_event_msg(p_manager, EVT_ERROR,
4858 "Cannot encode tile: opj_tcd_marker_info_create() failed\n");
4859 return OPJ_FALSE;
4860 }
4861 }
4862
4863 if (l_remaining_data <
4864 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT) {
4865 opj_event_msg(p_manager, EVT_ERROR,
4866 "Not enough bytes in output buffer to write SOD marker\n");
4867 opj_tcd_marker_info_destroy(marker_info);
4868 return OPJ_FALSE;
4869 }
4870 l_remaining_data -= p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT;
4871
4872 if (! opj_tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number,
4873 p_data + 2,
4874 p_data_written, l_remaining_data, l_cstr_info,
4875 marker_info,
4876 p_manager)) {
4877 opj_event_msg(p_manager, EVT_ERROR, "Cannot encode tile\n");
4878 opj_tcd_marker_info_destroy(marker_info);
4879 return OPJ_FALSE;
4880 }
4881
4882 /* For SOD */
4883 *p_data_written += 2;
4884
4885 if (p_j2k->m_specific_param.m_encoder.m_PLT) {
4886 OPJ_UINT32 l_data_written_PLT = 0;
4887 OPJ_BYTE* p_PLT_buffer = (OPJ_BYTE*)opj_malloc(
4888 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT);
4889 if (!p_PLT_buffer) {
4890 opj_event_msg(p_manager, EVT_ERROR, "Cannot allocate memory\n");
4891 opj_tcd_marker_info_destroy(marker_info);
4892 return OPJ_FALSE;
4893 }
4894 if (!opj_j2k_write_plt_in_memory(p_j2k,
4895 marker_info,
4896 p_PLT_buffer,
4897 &l_data_written_PLT,
4898 p_manager)) {
4899 opj_tcd_marker_info_destroy(marker_info);
4900 opj_free(p_PLT_buffer);
4901 return OPJ_FALSE;
4902 }
4903
4904 assert(l_data_written_PLT <=
4905 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT);
4906
4907 /* Move PLT marker(s) before SOD */
4908 memmove(p_data + l_data_written_PLT, p_data, *p_data_written);
4909 memcpy(p_data, p_PLT_buffer, l_data_written_PLT);
4910 opj_free(p_PLT_buffer);
4911 *p_data_written += l_data_written_PLT;
4912 }
4913
4914 opj_tcd_marker_info_destroy(marker_info);
4915
4916 return OPJ_TRUE;
4917 }
4918
opj_j2k_read_sod(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4919 static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
4920 opj_stream_private_t *p_stream,
4921 opj_event_mgr_t * p_manager
4922 )
4923 {
4924 OPJ_SIZE_T l_current_read_size;
4925 opj_codestream_index_t * l_cstr_index = 00;
4926 OPJ_BYTE ** l_current_data = 00;
4927 opj_tcp_t * l_tcp = 00;
4928 OPJ_UINT32 * l_tile_len = 00;
4929 OPJ_BOOL l_sot_length_pb_detected = OPJ_FALSE;
4930
4931 /* preconditions */
4932 assert(p_j2k != 00);
4933 assert(p_manager != 00);
4934 assert(p_stream != 00);
4935
4936 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
4937
4938 if (p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4939 /* opj_stream_get_number_byte_left returns OPJ_OFF_T
4940 // but we are in the last tile part,
4941 // so its result will fit on OPJ_UINT32 unless we find
4942 // a file with a single tile part of more than 4 GB...*/
4943 p_j2k->m_specific_param.m_decoder.m_sot_length = (OPJ_UINT32)(
4944 opj_stream_get_number_byte_left(p_stream) - 2);
4945 } else {
4946 /* Check to avoid pass the limit of OPJ_UINT32 */
4947 if (p_j2k->m_specific_param.m_decoder.m_sot_length >= 2) {
4948 p_j2k->m_specific_param.m_decoder.m_sot_length -= 2;
4949 } else {
4950 /* MSD: case commented to support empty SOT marker (PHR data) */
4951 }
4952 }
4953
4954 l_current_data = &(l_tcp->m_data);
4955 l_tile_len = &l_tcp->m_data_size;
4956
4957 /* Patch to support new PHR data */
4958 if (p_j2k->m_specific_param.m_decoder.m_sot_length) {
4959 /* If we are here, we'll try to read the data after allocation */
4960 /* Check enough bytes left in stream before allocation */
4961 if ((OPJ_OFF_T)p_j2k->m_specific_param.m_decoder.m_sot_length >
4962 opj_stream_get_number_byte_left(p_stream)) {
4963 if (p_j2k->m_cp.strict) {
4964 opj_event_msg(p_manager, EVT_ERROR,
4965 "Tile part length size inconsistent with stream length\n");
4966 return OPJ_FALSE;
4967 } else {
4968 opj_event_msg(p_manager, EVT_WARNING,
4969 "Tile part length size inconsistent with stream length\n");
4970 }
4971 }
4972 if (p_j2k->m_specific_param.m_decoder.m_sot_length >
4973 UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA) {
4974 opj_event_msg(p_manager, EVT_ERROR,
4975 "p_j2k->m_specific_param.m_decoder.m_sot_length > "
4976 "UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA");
4977 return OPJ_FALSE;
4978 }
4979 /* Add a margin of OPJ_COMMON_CBLK_DATA_EXTRA to the allocation we */
4980 /* do so that opj_mqc_init_dec_common() can safely add a synthetic */
4981 /* 0xFFFF marker. */
4982 if (! *l_current_data) {
4983 /* LH: oddly enough, in this path, l_tile_len!=0.
4984 * TODO: If this was consistent, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...).
4985 */
4986 *l_current_data = (OPJ_BYTE*) opj_malloc(
4987 p_j2k->m_specific_param.m_decoder.m_sot_length + OPJ_COMMON_CBLK_DATA_EXTRA);
4988 } else {
4989 OPJ_BYTE *l_new_current_data;
4990 if (*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA -
4991 p_j2k->m_specific_param.m_decoder.m_sot_length) {
4992 opj_event_msg(p_manager, EVT_ERROR,
4993 "*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA - "
4994 "p_j2k->m_specific_param.m_decoder.m_sot_length");
4995 return OPJ_FALSE;
4996 }
4997
4998 l_new_current_data = (OPJ_BYTE *) opj_realloc(*l_current_data,
4999 *l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length +
5000 OPJ_COMMON_CBLK_DATA_EXTRA);
5001 if (! l_new_current_data) {
5002 opj_free(*l_current_data);
5003 /*nothing more is done as l_current_data will be set to null, and just
5004 afterward we enter in the error path
5005 and the actual tile_len is updated (committed) at the end of the
5006 function. */
5007 }
5008 *l_current_data = l_new_current_data;
5009 }
5010
5011 if (*l_current_data == 00) {
5012 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile\n");
5013 return OPJ_FALSE;
5014 }
5015 } else {
5016 l_sot_length_pb_detected = OPJ_TRUE;
5017 }
5018
5019 /* Index */
5020 l_cstr_index = p_j2k->cstr_index;
5021 if (l_cstr_index) {
5022 OPJ_OFF_T l_current_pos = opj_stream_tell(p_stream) - 2;
5023
5024 OPJ_UINT32 l_current_tile_part =
5025 l_cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno;
5026 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_header
5027 =
5028 l_current_pos;
5029 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_pos
5030 =
5031 l_current_pos + p_j2k->m_specific_param.m_decoder.m_sot_length + 2;
5032
5033 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
5034 l_cstr_index,
5035 J2K_MS_SOD,
5036 l_current_pos,
5037 p_j2k->m_specific_param.m_decoder.m_sot_length + 2)) {
5038 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
5039 return OPJ_FALSE;
5040 }
5041
5042 /*l_cstr_index->packno = 0;*/
5043 }
5044
5045 /* Patch to support new PHR data */
5046 if (!l_sot_length_pb_detected) {
5047 l_current_read_size = opj_stream_read_data(
5048 p_stream,
5049 *l_current_data + *l_tile_len,
5050 p_j2k->m_specific_param.m_decoder.m_sot_length,
5051 p_manager);
5052 } else {
5053 l_current_read_size = 0;
5054 }
5055
5056 if (l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length) {
5057 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
5058 } else {
5059 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
5060 }
5061
5062 *l_tile_len += (OPJ_UINT32)l_current_read_size;
5063
5064 return OPJ_TRUE;
5065 }
5066
opj_j2k_write_rgn(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no,OPJ_UINT32 nb_comps,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)5067 static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
5068 OPJ_UINT32 p_tile_no,
5069 OPJ_UINT32 p_comp_no,
5070 OPJ_UINT32 nb_comps,
5071 opj_stream_private_t *p_stream,
5072 opj_event_mgr_t * p_manager
5073 )
5074 {
5075 OPJ_BYTE * l_current_data = 00;
5076 OPJ_UINT32 l_rgn_size;
5077 opj_cp_t *l_cp = 00;
5078 opj_tcp_t *l_tcp = 00;
5079 opj_tccp_t *l_tccp = 00;
5080 OPJ_UINT32 l_comp_room;
5081
5082 /* preconditions */
5083 assert(p_j2k != 00);
5084 assert(p_manager != 00);
5085 assert(p_stream != 00);
5086
5087 l_cp = &(p_j2k->m_cp);
5088 l_tcp = &l_cp->tcps[p_tile_no];
5089 l_tccp = &l_tcp->tccps[p_comp_no];
5090
5091 if (nb_comps <= 256) {
5092 l_comp_room = 1;
5093 } else {
5094 l_comp_room = 2;
5095 }
5096
5097 l_rgn_size = 6 + l_comp_room;
5098
5099 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5100
5101 opj_write_bytes(l_current_data, J2K_MS_RGN,
5102 2); /* RGN */
5103 l_current_data += 2;
5104
5105 opj_write_bytes(l_current_data, l_rgn_size - 2,
5106 2); /* Lrgn */
5107 l_current_data += 2;
5108
5109 opj_write_bytes(l_current_data, p_comp_no,
5110 l_comp_room); /* Crgn */
5111 l_current_data += l_comp_room;
5112
5113 opj_write_bytes(l_current_data, 0,
5114 1); /* Srgn */
5115 ++l_current_data;
5116
5117 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tccp->roishift,
5118 1); /* SPrgn */
5119 ++l_current_data;
5120
5121 if (opj_stream_write_data(p_stream,
5122 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_rgn_size,
5123 p_manager) != l_rgn_size) {
5124 return OPJ_FALSE;
5125 }
5126
5127 return OPJ_TRUE;
5128 }
5129
opj_j2k_write_eoc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)5130 static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
5131 opj_stream_private_t *p_stream,
5132 opj_event_mgr_t * p_manager
5133 )
5134 {
5135 /* preconditions */
5136 assert(p_j2k != 00);
5137 assert(p_manager != 00);
5138 assert(p_stream != 00);
5139
5140 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_header_tile_data,
5141 J2K_MS_EOC, 2); /* EOC */
5142
5143 /* UniPG>> */
5144 #ifdef USE_JPWL
5145 /* update markers struct */
5146 /*
5147 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_EOC, p_stream_tell(p_stream) - 2, 2);
5148 */
5149 #endif /* USE_JPWL */
5150
5151 if (opj_stream_write_data(p_stream,
5152 p_j2k->m_specific_param.m_encoder.m_header_tile_data, 2, p_manager) != 2) {
5153 return OPJ_FALSE;
5154 }
5155
5156 if (! opj_stream_flush(p_stream, p_manager)) {
5157 return OPJ_FALSE;
5158 }
5159
5160 return OPJ_TRUE;
5161 }
5162
5163 /**
5164 * Reads a RGN marker (Region Of Interest)
5165 *
5166 * @param p_header_data the data contained in the POC box.
5167 * @param p_j2k the jpeg2000 codec.
5168 * @param p_header_size the size of the data contained in the POC marker.
5169 * @param p_manager the user event manager.
5170 */
opj_j2k_read_rgn(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)5171 static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
5172 OPJ_BYTE * p_header_data,
5173 OPJ_UINT32 p_header_size,
5174 opj_event_mgr_t * p_manager
5175 )
5176 {
5177 OPJ_UINT32 l_nb_comp;
5178 opj_image_t * l_image = 00;
5179
5180 opj_cp_t *l_cp = 00;
5181 opj_tcp_t *l_tcp = 00;
5182 OPJ_UINT32 l_comp_room, l_comp_no, l_roi_sty;
5183
5184 /* preconditions*/
5185 assert(p_header_data != 00);
5186 assert(p_j2k != 00);
5187 assert(p_manager != 00);
5188
5189 l_image = p_j2k->m_private_image;
5190 l_nb_comp = l_image->numcomps;
5191
5192 if (l_nb_comp <= 256) {
5193 l_comp_room = 1;
5194 } else {
5195 l_comp_room = 2;
5196 }
5197
5198 if (p_header_size != 2 + l_comp_room) {
5199 opj_event_msg(p_manager, EVT_ERROR, "Error reading RGN marker\n");
5200 return OPJ_FALSE;
5201 }
5202
5203 l_cp = &(p_j2k->m_cp);
5204 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
5205 &l_cp->tcps[p_j2k->m_current_tile_number] :
5206 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5207
5208 opj_read_bytes(p_header_data, &l_comp_no, l_comp_room); /* Crgn */
5209 p_header_data += l_comp_room;
5210 opj_read_bytes(p_header_data, &l_roi_sty,
5211 1); /* Srgn */
5212 ++p_header_data;
5213
5214 #ifdef USE_JPWL
5215 if (l_cp->correct) {
5216 /* totlen is negative or larger than the bytes left!!! */
5217 if (l_comp_room >= l_nb_comp) {
5218 opj_event_msg(p_manager, EVT_ERROR,
5219 "JPWL: bad component number in RGN (%d when there are only %d)\n",
5220 l_comp_room, l_nb_comp);
5221 if (!JPWL_ASSUME) {
5222 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
5223 return OPJ_FALSE;
5224 }
5225 }
5226 };
5227 #endif /* USE_JPWL */
5228
5229 /* testcase 3635.pdf.asan.77.2930 */
5230 if (l_comp_no >= l_nb_comp) {
5231 opj_event_msg(p_manager, EVT_ERROR,
5232 "bad component number in RGN (%d when there are only %d)\n",
5233 l_comp_no, l_nb_comp);
5234 return OPJ_FALSE;
5235 }
5236
5237 opj_read_bytes(p_header_data,
5238 (OPJ_UINT32 *)(&(l_tcp->tccps[l_comp_no].roishift)), 1); /* SPrgn */
5239 ++p_header_data;
5240
5241 return OPJ_TRUE;
5242
5243 }
5244
opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)5245 static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)
5246 {
5247 return (OPJ_FLOAT32)((p_tcp->m_nb_tile_parts - 1) * 14);
5248 }
5249
opj_j2k_get_default_stride(opj_tcp_t * p_tcp)5250 static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp)
5251 {
5252 (void)p_tcp;
5253 return 0;
5254 }
5255
opj_j2k_update_rates(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)5256 static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
5257 opj_stream_private_t *p_stream,
5258 opj_event_mgr_t * p_manager)
5259 {
5260 opj_cp_t * l_cp = 00;
5261 opj_image_t * l_image = 00;
5262 opj_tcp_t * l_tcp = 00;
5263 opj_image_comp_t * l_img_comp = 00;
5264
5265 OPJ_UINT32 i, j, k;
5266 OPJ_INT32 l_x0, l_y0, l_x1, l_y1;
5267 OPJ_FLOAT32 * l_rates = 0;
5268 OPJ_FLOAT32 l_sot_remove;
5269 OPJ_UINT32 l_bits_empty, l_size_pixel;
5270 OPJ_UINT64 l_tile_size = 0;
5271 OPJ_UINT32 l_last_res;
5272 OPJ_FLOAT32(* l_tp_stride_func)(opj_tcp_t *) = 00;
5273
5274 /* preconditions */
5275 assert(p_j2k != 00);
5276 assert(p_manager != 00);
5277 assert(p_stream != 00);
5278
5279 OPJ_UNUSED(p_manager);
5280
5281 l_cp = &(p_j2k->m_cp);
5282 l_image = p_j2k->m_private_image;
5283 l_tcp = l_cp->tcps;
5284
5285 l_bits_empty = 8 * l_image->comps->dx * l_image->comps->dy;
5286 l_size_pixel = l_image->numcomps * l_image->comps->prec;
5287 l_sot_remove = (OPJ_FLOAT32) opj_stream_tell(p_stream) / (OPJ_FLOAT32)(
5288 l_cp->th * l_cp->tw);
5289
5290 if (l_cp->m_specific_param.m_enc.m_tp_on) {
5291 l_tp_stride_func = opj_j2k_get_tp_stride;
5292 } else {
5293 l_tp_stride_func = opj_j2k_get_default_stride;
5294 }
5295
5296 for (i = 0; i < l_cp->th; ++i) {
5297 for (j = 0; j < l_cp->tw; ++j) {
5298 OPJ_FLOAT32 l_offset = (OPJ_FLOAT32)(*l_tp_stride_func)(l_tcp) /
5299 (OPJ_FLOAT32)l_tcp->numlayers;
5300
5301 /* 4 borders of the tile rescale on the image if necessary */
5302 l_x0 = opj_int_max((OPJ_INT32)(l_cp->tx0 + j * l_cp->tdx),
5303 (OPJ_INT32)l_image->x0);
5304 l_y0 = opj_int_max((OPJ_INT32)(l_cp->ty0 + i * l_cp->tdy),
5305 (OPJ_INT32)l_image->y0);
5306 l_x1 = opj_int_min((OPJ_INT32)(l_cp->tx0 + (j + 1) * l_cp->tdx),
5307 (OPJ_INT32)l_image->x1);
5308 l_y1 = opj_int_min((OPJ_INT32)(l_cp->ty0 + (i + 1) * l_cp->tdy),
5309 (OPJ_INT32)l_image->y1);
5310
5311 l_rates = l_tcp->rates;
5312
5313 /* Modification of the RATE >> */
5314 for (k = 0; k < l_tcp->numlayers; ++k) {
5315 if (*l_rates > 0.0f) {
5316 *l_rates = (OPJ_FLOAT32)(((OPJ_FLOAT64)l_size_pixel * (OPJ_UINT32)(
5317 l_x1 - l_x0) *
5318 (OPJ_UINT32)(l_y1 - l_y0))
5319 / ((*l_rates) * (OPJ_FLOAT32)l_bits_empty))
5320 -
5321 l_offset;
5322 }
5323
5324 ++l_rates;
5325 }
5326
5327 ++l_tcp;
5328
5329 }
5330 }
5331
5332 l_tcp = l_cp->tcps;
5333
5334 for (i = 0; i < l_cp->th; ++i) {
5335 for (j = 0; j < l_cp->tw; ++j) {
5336 l_rates = l_tcp->rates;
5337
5338 if (*l_rates > 0.0f) {
5339 *l_rates -= l_sot_remove;
5340
5341 if (*l_rates < 30.0f) {
5342 *l_rates = 30.0f;
5343 }
5344 }
5345
5346 ++l_rates;
5347
5348 l_last_res = l_tcp->numlayers - 1;
5349
5350 for (k = 1; k < l_last_res; ++k) {
5351
5352 if (*l_rates > 0.0f) {
5353 *l_rates -= l_sot_remove;
5354
5355 if (*l_rates < * (l_rates - 1) + 10.0f) {
5356 *l_rates = (*(l_rates - 1)) + 20.0f;
5357 }
5358 }
5359
5360 ++l_rates;
5361 }
5362
5363 if (*l_rates > 0.0f) {
5364 *l_rates -= (l_sot_remove + 2.f);
5365
5366 if (*l_rates < * (l_rates - 1) + 10.0f) {
5367 *l_rates = (*(l_rates - 1)) + 20.0f;
5368 }
5369 }
5370
5371 ++l_tcp;
5372 }
5373 }
5374
5375 l_img_comp = l_image->comps;
5376 l_tile_size = 0;
5377
5378 for (i = 0; i < l_image->numcomps; ++i) {
5379 l_tile_size += (OPJ_UINT64)opj_uint_ceildiv(l_cp->tdx, l_img_comp->dx)
5380 *
5381 opj_uint_ceildiv(l_cp->tdy, l_img_comp->dy)
5382 *
5383 l_img_comp->prec;
5384
5385 ++l_img_comp;
5386 }
5387
5388 /* TODO: where does this magic value come from ? */
5389 /* This used to be 1.3 / 8, but with random data and very small code */
5390 /* block sizes, this is not enough. For example with */
5391 /* bin/test_tile_encoder 1 256 256 32 32 8 0 reversible_with_precinct.j2k 4 4 3 0 0 1 16 16 */
5392 /* TODO revise this to take into account the overhead linked to the */
5393 /* number of packets and number of code blocks in packets */
5394 l_tile_size = (OPJ_UINT64)((double)l_tile_size * 1.4 / 8);
5395
5396 /* Arbitrary amount to make the following work: */
5397 /* bin/test_tile_encoder 1 256 256 17 16 8 0 reversible_no_precinct.j2k 4 4 3 0 0 1 */
5398 l_tile_size += 500;
5399
5400 l_tile_size += opj_j2k_get_specific_header_sizes(p_j2k);
5401
5402 if (l_tile_size > UINT_MAX) {
5403 l_tile_size = UINT_MAX;
5404 }
5405
5406 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = (OPJ_UINT32)l_tile_size;
5407 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data =
5408 (OPJ_BYTE *) opj_malloc(p_j2k->m_specific_param.m_encoder.m_encoded_tile_size);
5409 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00) {
5410 opj_event_msg(p_manager, EVT_ERROR,
5411 "Not enough memory to allocate m_encoded_tile_data. %u MB required\n",
5412 (OPJ_UINT32)(l_tile_size / 1024 / 1024));
5413 return OPJ_FALSE;
5414 }
5415
5416 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
5417 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer =
5418 (OPJ_BYTE *) opj_malloc(6 *
5419 p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
5420 if (! p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
5421 return OPJ_FALSE;
5422 }
5423
5424 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current =
5425 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer;
5426 }
5427
5428 return OPJ_TRUE;
5429 }
5430
5431 #if 0
5432 static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
5433 opj_stream_private_t *p_stream,
5434 opj_event_mgr_t * p_manager)
5435 {
5436 OPJ_UINT32 i;
5437 opj_tcd_t * l_tcd = 00;
5438 OPJ_UINT32 l_nb_tiles;
5439 opj_tcp_t * l_tcp = 00;
5440 OPJ_BOOL l_success;
5441
5442 /* preconditions */
5443 assert(p_j2k != 00);
5444 assert(p_manager != 00);
5445 assert(p_stream != 00);
5446
5447 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
5448 l_tcp = p_j2k->m_cp.tcps;
5449
5450 l_tcd = opj_tcd_create(OPJ_TRUE);
5451 if (l_tcd == 00) {
5452 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5453 return OPJ_FALSE;
5454 }
5455
5456 for (i = 0; i < l_nb_tiles; ++i) {
5457 if (l_tcp->m_data) {
5458 if (! opj_tcd_init_decode_tile(l_tcd, i)) {
5459 opj_tcd_destroy(l_tcd);
5460 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5461 return OPJ_FALSE;
5462 }
5463
5464 l_success = opj_tcd_decode_tile(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i,
5465 p_j2k->cstr_index);
5466 /* cleanup */
5467
5468 if (! l_success) {
5469 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
5470 break;
5471 }
5472 }
5473
5474 opj_j2k_tcp_destroy(l_tcp);
5475 ++l_tcp;
5476 }
5477
5478 opj_tcd_destroy(l_tcd);
5479 return OPJ_TRUE;
5480 }
5481 #endif
5482
opj_j2k_get_end_header(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5483 static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
5484 struct opj_stream_private *p_stream,
5485 struct opj_event_mgr * p_manager)
5486 {
5487 /* preconditions */
5488 assert(p_j2k != 00);
5489 assert(p_manager != 00);
5490 assert(p_stream != 00);
5491
5492 OPJ_UNUSED(p_manager);
5493
5494 p_j2k->cstr_index->main_head_end = opj_stream_tell(p_stream);
5495
5496 return OPJ_TRUE;
5497 }
5498
opj_j2k_write_mct_data_group(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5499 static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
5500 struct opj_stream_private *p_stream,
5501 struct opj_event_mgr * p_manager)
5502 {
5503 OPJ_UINT32 i;
5504 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5505 opj_mct_data_t * l_mct_record;
5506 opj_tcp_t * l_tcp;
5507
5508 /* preconditions */
5509 assert(p_j2k != 00);
5510 assert(p_stream != 00);
5511 assert(p_manager != 00);
5512
5513 if (! opj_j2k_write_cbd(p_j2k, p_stream, p_manager)) {
5514 return OPJ_FALSE;
5515 }
5516
5517 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
5518 l_mct_record = l_tcp->m_mct_records;
5519
5520 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5521
5522 if (! opj_j2k_write_mct_record(p_j2k, l_mct_record, p_stream, p_manager)) {
5523 return OPJ_FALSE;
5524 }
5525
5526 ++l_mct_record;
5527 }
5528
5529 l_mcc_record = l_tcp->m_mcc_records;
5530
5531 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5532
5533 if (! opj_j2k_write_mcc_record(p_j2k, l_mcc_record, p_stream, p_manager)) {
5534 return OPJ_FALSE;
5535 }
5536
5537 ++l_mcc_record;
5538 }
5539
5540 if (! opj_j2k_write_mco(p_j2k, p_stream, p_manager)) {
5541 return OPJ_FALSE;
5542 }
5543
5544 return OPJ_TRUE;
5545 }
5546
opj_j2k_write_all_coc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5547 static OPJ_BOOL opj_j2k_write_all_coc(
5548 opj_j2k_t *p_j2k,
5549 struct opj_stream_private *p_stream,
5550 struct opj_event_mgr * p_manager)
5551 {
5552 OPJ_UINT32 compno;
5553
5554 /* preconditions */
5555 assert(p_j2k != 00);
5556 assert(p_manager != 00);
5557 assert(p_stream != 00);
5558
5559 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5560 /* cod is first component of first tile */
5561 if (! opj_j2k_compare_coc(p_j2k, 0, compno)) {
5562 if (! opj_j2k_write_coc(p_j2k, compno, p_stream, p_manager)) {
5563 return OPJ_FALSE;
5564 }
5565 }
5566 }
5567
5568 return OPJ_TRUE;
5569 }
5570
opj_j2k_write_all_qcc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5571 static OPJ_BOOL opj_j2k_write_all_qcc(
5572 opj_j2k_t *p_j2k,
5573 struct opj_stream_private *p_stream,
5574 struct opj_event_mgr * p_manager)
5575 {
5576 OPJ_UINT32 compno;
5577
5578 /* preconditions */
5579 assert(p_j2k != 00);
5580 assert(p_manager != 00);
5581 assert(p_stream != 00);
5582
5583 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5584 /* qcd is first component of first tile */
5585 if (! opj_j2k_compare_qcc(p_j2k, 0, compno)) {
5586 if (! opj_j2k_write_qcc(p_j2k, compno, p_stream, p_manager)) {
5587 return OPJ_FALSE;
5588 }
5589 }
5590 }
5591 return OPJ_TRUE;
5592 }
5593
opj_j2k_write_regions(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5594 static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
5595 struct opj_stream_private *p_stream,
5596 struct opj_event_mgr * p_manager)
5597 {
5598 OPJ_UINT32 compno;
5599 const opj_tccp_t *l_tccp = 00;
5600
5601 /* preconditions */
5602 assert(p_j2k != 00);
5603 assert(p_manager != 00);
5604 assert(p_stream != 00);
5605
5606 l_tccp = p_j2k->m_cp.tcps->tccps;
5607
5608 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
5609 if (l_tccp->roishift) {
5610
5611 if (! opj_j2k_write_rgn(p_j2k, 0, compno, p_j2k->m_private_image->numcomps,
5612 p_stream, p_manager)) {
5613 return OPJ_FALSE;
5614 }
5615 }
5616
5617 ++l_tccp;
5618 }
5619
5620 return OPJ_TRUE;
5621 }
5622
opj_j2k_write_epc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5623 static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
5624 struct opj_stream_private *p_stream,
5625 struct opj_event_mgr * p_manager)
5626 {
5627 opj_codestream_index_t * l_cstr_index = 00;
5628
5629 /* preconditions */
5630 assert(p_j2k != 00);
5631 assert(p_manager != 00);
5632 assert(p_stream != 00);
5633
5634 OPJ_UNUSED(p_manager);
5635
5636 l_cstr_index = p_j2k->cstr_index;
5637 if (l_cstr_index) {
5638 l_cstr_index->codestream_size = (OPJ_UINT64)opj_stream_tell(p_stream);
5639 /* UniPG>> */
5640 /* The following adjustment is done to adjust the codestream size */
5641 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
5642 /* the first bunch of bytes is not in the codestream */
5643 l_cstr_index->codestream_size -= (OPJ_UINT64)l_cstr_index->main_head_start;
5644 /* <<UniPG */
5645 }
5646
5647 #ifdef USE_JPWL
5648 /* preparation of JPWL marker segments */
5649 #if 0
5650 if (cp->epc_on) {
5651
5652 /* encode according to JPWL */
5653 jpwl_encode(p_j2k, p_stream, image);
5654
5655 }
5656 #endif
5657 assert(0 && "TODO");
5658 #endif /* USE_JPWL */
5659
5660 return OPJ_TRUE;
5661 }
5662
opj_j2k_read_unk(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,OPJ_UINT32 * output_marker,opj_event_mgr_t * p_manager)5663 static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
5664 opj_stream_private_t *p_stream,
5665 OPJ_UINT32 *output_marker,
5666 opj_event_mgr_t * p_manager
5667 )
5668 {
5669 OPJ_UINT32 l_unknown_marker;
5670 const opj_dec_memory_marker_handler_t * l_marker_handler;
5671 OPJ_UINT32 l_size_unk = 2;
5672
5673 /* preconditions*/
5674 assert(p_j2k != 00);
5675 assert(p_manager != 00);
5676 assert(p_stream != 00);
5677
5678 opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n");
5679
5680 for (;;) {
5681 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
5682 if (opj_stream_read_data(p_stream,
5683 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
5684 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
5685 return OPJ_FALSE;
5686 }
5687
5688 /* read 2 bytes as the new marker ID*/
5689 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
5690 &l_unknown_marker, 2);
5691
5692 if (!(l_unknown_marker < 0xff00)) {
5693
5694 /* Get the marker handler from the marker ID*/
5695 l_marker_handler = opj_j2k_get_marker_handler(l_unknown_marker);
5696
5697 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
5698 opj_event_msg(p_manager, EVT_ERROR,
5699 "Marker is not compliant with its position\n");
5700 return OPJ_FALSE;
5701 } else {
5702 if (l_marker_handler->id != J2K_MS_UNK) {
5703 /* Add the marker to the codestream index*/
5704 if (l_marker_handler->id != J2K_MS_SOT) {
5705 OPJ_BOOL res = opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_UNK,
5706 (OPJ_UINT32) opj_stream_tell(p_stream) - l_size_unk,
5707 l_size_unk);
5708 if (res == OPJ_FALSE) {
5709 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
5710 return OPJ_FALSE;
5711 }
5712 }
5713 break; /* next marker is known and well located */
5714 } else {
5715 l_size_unk += 2;
5716 }
5717 }
5718 }
5719 }
5720
5721 *output_marker = l_marker_handler->id ;
5722
5723 return OPJ_TRUE;
5724 }
5725
opj_j2k_write_mct_record(opj_j2k_t * p_j2k,opj_mct_data_t * p_mct_record,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5726 static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
5727 opj_mct_data_t * p_mct_record,
5728 struct opj_stream_private *p_stream,
5729 struct opj_event_mgr * p_manager)
5730 {
5731 OPJ_UINT32 l_mct_size;
5732 OPJ_BYTE * l_current_data = 00;
5733 OPJ_UINT32 l_tmp;
5734
5735 /* preconditions */
5736 assert(p_j2k != 00);
5737 assert(p_manager != 00);
5738 assert(p_stream != 00);
5739
5740 l_mct_size = 10 + p_mct_record->m_data_size;
5741
5742 if (l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5743 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5744 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size);
5745 if (! new_header_tile_data) {
5746 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5747 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5748 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5749 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCT marker\n");
5750 return OPJ_FALSE;
5751 }
5752 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5753 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mct_size;
5754 }
5755
5756 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5757
5758 opj_write_bytes(l_current_data, J2K_MS_MCT,
5759 2); /* MCT */
5760 l_current_data += 2;
5761
5762 opj_write_bytes(l_current_data, l_mct_size - 2,
5763 2); /* Lmct */
5764 l_current_data += 2;
5765
5766 opj_write_bytes(l_current_data, 0,
5767 2); /* Zmct */
5768 l_current_data += 2;
5769
5770 /* only one marker atm */
5771 l_tmp = (p_mct_record->m_index & 0xff) | (p_mct_record->m_array_type << 8) |
5772 (p_mct_record->m_element_type << 10);
5773
5774 opj_write_bytes(l_current_data, l_tmp, 2);
5775 l_current_data += 2;
5776
5777 opj_write_bytes(l_current_data, 0,
5778 2); /* Ymct */
5779 l_current_data += 2;
5780
5781 memcpy(l_current_data, p_mct_record->m_data, p_mct_record->m_data_size);
5782
5783 if (opj_stream_write_data(p_stream,
5784 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size,
5785 p_manager) != l_mct_size) {
5786 return OPJ_FALSE;
5787 }
5788
5789 return OPJ_TRUE;
5790 }
5791
5792 /**
5793 * Reads a MCT marker (Multiple Component Transform)
5794 *
5795 * @param p_header_data the data contained in the MCT box.
5796 * @param p_j2k the jpeg2000 codec.
5797 * @param p_header_size the size of the data contained in the MCT marker.
5798 * @param p_manager the user event manager.
5799 */
opj_j2k_read_mct(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)5800 static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
5801 OPJ_BYTE * p_header_data,
5802 OPJ_UINT32 p_header_size,
5803 opj_event_mgr_t * p_manager
5804 )
5805 {
5806 OPJ_UINT32 i;
5807 opj_tcp_t *l_tcp = 00;
5808 OPJ_UINT32 l_tmp;
5809 OPJ_UINT32 l_indix;
5810 opj_mct_data_t * l_mct_data;
5811 OPJ_BOOL new_mct = OPJ_FALSE;
5812
5813 /* preconditions */
5814 assert(p_header_data != 00);
5815 assert(p_j2k != 00);
5816
5817 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5818 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5819 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5820
5821 if (p_header_size < 2) {
5822 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5823 return OPJ_FALSE;
5824 }
5825
5826 /* first marker */
5827 opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmct */
5828 p_header_data += 2;
5829 if (l_tmp != 0) {
5830 opj_event_msg(p_manager, EVT_WARNING,
5831 "Cannot take in charge mct data within multiple MCT records\n");
5832 return OPJ_TRUE;
5833 }
5834
5835 if (p_header_size <= 6) {
5836 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5837 return OPJ_FALSE;
5838 }
5839
5840 /* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/
5841 opj_read_bytes(p_header_data, &l_tmp, 2); /* Imct */
5842 p_header_data += 2;
5843
5844 l_indix = l_tmp & 0xff;
5845 l_mct_data = l_tcp->m_mct_records;
5846
5847 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5848 if (l_mct_data->m_index == l_indix) {
5849 break;
5850 }
5851 ++l_mct_data;
5852 }
5853
5854 /* NOT FOUND */
5855 if (i == l_tcp->m_nb_mct_records) {
5856 if (l_tcp->m_nb_mct_records == l_tcp->m_nb_max_mct_records) {
5857 opj_mct_data_t *new_mct_records;
5858 l_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
5859
5860 new_mct_records = (opj_mct_data_t *) opj_realloc(l_tcp->m_mct_records,
5861 l_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
5862 if (! new_mct_records) {
5863 opj_free(l_tcp->m_mct_records);
5864 l_tcp->m_mct_records = NULL;
5865 l_tcp->m_nb_max_mct_records = 0;
5866 l_tcp->m_nb_mct_records = 0;
5867 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCT marker\n");
5868 return OPJ_FALSE;
5869 }
5870
5871 /* Update m_mcc_records[].m_offset_array and m_decorrelation_array
5872 * to point to the new addresses */
5873 if (new_mct_records != l_tcp->m_mct_records) {
5874 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5875 opj_simple_mcc_decorrelation_data_t* l_mcc_record =
5876 &(l_tcp->m_mcc_records[i]);
5877 if (l_mcc_record->m_decorrelation_array) {
5878 l_mcc_record->m_decorrelation_array =
5879 new_mct_records +
5880 (l_mcc_record->m_decorrelation_array -
5881 l_tcp->m_mct_records);
5882 }
5883 if (l_mcc_record->m_offset_array) {
5884 l_mcc_record->m_offset_array =
5885 new_mct_records +
5886 (l_mcc_record->m_offset_array -
5887 l_tcp->m_mct_records);
5888 }
5889 }
5890 }
5891
5892 l_tcp->m_mct_records = new_mct_records;
5893 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5894 memset(l_mct_data, 0, (l_tcp->m_nb_max_mct_records - l_tcp->m_nb_mct_records) *
5895 sizeof(opj_mct_data_t));
5896 }
5897
5898 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5899 new_mct = OPJ_TRUE;
5900 }
5901
5902 if (l_mct_data->m_data) {
5903 opj_free(l_mct_data->m_data);
5904 l_mct_data->m_data = 00;
5905 l_mct_data->m_data_size = 0;
5906 }
5907
5908 l_mct_data->m_index = l_indix;
5909 l_mct_data->m_array_type = (J2K_MCT_ARRAY_TYPE)((l_tmp >> 8) & 3);
5910 l_mct_data->m_element_type = (J2K_MCT_ELEMENT_TYPE)((l_tmp >> 10) & 3);
5911
5912 opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymct */
5913 p_header_data += 2;
5914 if (l_tmp != 0) {
5915 opj_event_msg(p_manager, EVT_WARNING,
5916 "Cannot take in charge multiple MCT markers\n");
5917 return OPJ_TRUE;
5918 }
5919
5920 p_header_size -= 6;
5921
5922 l_mct_data->m_data = (OPJ_BYTE*)opj_malloc(p_header_size);
5923 if (! l_mct_data->m_data) {
5924 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5925 return OPJ_FALSE;
5926 }
5927 memcpy(l_mct_data->m_data, p_header_data, p_header_size);
5928
5929 l_mct_data->m_data_size = p_header_size;
5930
5931 if (new_mct) {
5932 ++l_tcp->m_nb_mct_records;
5933 }
5934 return OPJ_TRUE;
5935 }
5936
opj_j2k_write_mcc_record(opj_j2k_t * p_j2k,struct opj_simple_mcc_decorrelation_data * p_mcc_record,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5937 static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
5938 struct opj_simple_mcc_decorrelation_data * p_mcc_record,
5939 struct opj_stream_private *p_stream,
5940 struct opj_event_mgr * p_manager)
5941 {
5942 OPJ_UINT32 i;
5943 OPJ_UINT32 l_mcc_size;
5944 OPJ_BYTE * l_current_data = 00;
5945 OPJ_UINT32 l_nb_bytes_for_comp;
5946 OPJ_UINT32 l_mask;
5947 OPJ_UINT32 l_tmcc;
5948
5949 /* preconditions */
5950 assert(p_j2k != 00);
5951 assert(p_manager != 00);
5952 assert(p_stream != 00);
5953
5954 if (p_mcc_record->m_nb_comps > 255) {
5955 l_nb_bytes_for_comp = 2;
5956 l_mask = 0x8000;
5957 } else {
5958 l_nb_bytes_for_comp = 1;
5959 l_mask = 0;
5960 }
5961
5962 l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19;
5963 if (l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5964 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5965 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size);
5966 if (! new_header_tile_data) {
5967 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5968 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5969 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5970 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCC marker\n");
5971 return OPJ_FALSE;
5972 }
5973 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5974 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mcc_size;
5975 }
5976
5977 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5978
5979 opj_write_bytes(l_current_data, J2K_MS_MCC,
5980 2); /* MCC */
5981 l_current_data += 2;
5982
5983 opj_write_bytes(l_current_data, l_mcc_size - 2,
5984 2); /* Lmcc */
5985 l_current_data += 2;
5986
5987 /* first marker */
5988 opj_write_bytes(l_current_data, 0,
5989 2); /* Zmcc */
5990 l_current_data += 2;
5991
5992 opj_write_bytes(l_current_data, p_mcc_record->m_index,
5993 1); /* Imcc -> no need for other values, take the first */
5994 ++l_current_data;
5995
5996 /* only one marker atm */
5997 opj_write_bytes(l_current_data, 0,
5998 2); /* Ymcc */
5999 l_current_data += 2;
6000
6001 opj_write_bytes(l_current_data, 1,
6002 2); /* Qmcc -> number of collections -> 1 */
6003 l_current_data += 2;
6004
6005 opj_write_bytes(l_current_data, 0x1,
6006 1); /* Xmcci type of component transformation -> array based decorrelation */
6007 ++l_current_data;
6008
6009 opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
6010 2); /* Nmcci number of input components involved and size for each component offset = 8 bits */
6011 l_current_data += 2;
6012
6013 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
6014 opj_write_bytes(l_current_data, i,
6015 l_nb_bytes_for_comp); /* Cmccij Component offset*/
6016 l_current_data += l_nb_bytes_for_comp;
6017 }
6018
6019 opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
6020 2); /* Mmcci number of output components involved and size for each component offset = 8 bits */
6021 l_current_data += 2;
6022
6023 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
6024 opj_write_bytes(l_current_data, i,
6025 l_nb_bytes_for_comp); /* Wmccij Component offset*/
6026 l_current_data += l_nb_bytes_for_comp;
6027 }
6028
6029 l_tmcc = ((!p_mcc_record->m_is_irreversible) & 1U) << 16;
6030
6031 if (p_mcc_record->m_decorrelation_array) {
6032 l_tmcc |= p_mcc_record->m_decorrelation_array->m_index;
6033 }
6034
6035 if (p_mcc_record->m_offset_array) {
6036 l_tmcc |= ((p_mcc_record->m_offset_array->m_index) << 8);
6037 }
6038
6039 opj_write_bytes(l_current_data, l_tmcc,
6040 3); /* Tmcci : use MCT defined as number 1 and irreversible array based. */
6041 l_current_data += 3;
6042
6043 if (opj_stream_write_data(p_stream,
6044 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size,
6045 p_manager) != l_mcc_size) {
6046 return OPJ_FALSE;
6047 }
6048
6049 return OPJ_TRUE;
6050 }
6051
opj_j2k_read_mcc(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)6052 static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
6053 OPJ_BYTE * p_header_data,
6054 OPJ_UINT32 p_header_size,
6055 opj_event_mgr_t * p_manager)
6056 {
6057 OPJ_UINT32 i, j;
6058 OPJ_UINT32 l_tmp;
6059 OPJ_UINT32 l_indix;
6060 opj_tcp_t * l_tcp;
6061 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6062 opj_mct_data_t * l_mct_data;
6063 OPJ_UINT32 l_nb_collections;
6064 OPJ_UINT32 l_nb_comps;
6065 OPJ_UINT32 l_nb_bytes_by_comp;
6066 OPJ_BOOL l_new_mcc = OPJ_FALSE;
6067
6068 /* preconditions */
6069 assert(p_header_data != 00);
6070 assert(p_j2k != 00);
6071 assert(p_manager != 00);
6072
6073 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
6074 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
6075 p_j2k->m_specific_param.m_decoder.m_default_tcp;
6076
6077 if (p_header_size < 2) {
6078 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6079 return OPJ_FALSE;
6080 }
6081
6082 /* first marker */
6083 opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmcc */
6084 p_header_data += 2;
6085 if (l_tmp != 0) {
6086 opj_event_msg(p_manager, EVT_WARNING,
6087 "Cannot take in charge multiple data spanning\n");
6088 return OPJ_TRUE;
6089 }
6090
6091 if (p_header_size < 7) {
6092 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6093 return OPJ_FALSE;
6094 }
6095
6096 opj_read_bytes(p_header_data, &l_indix,
6097 1); /* Imcc -> no need for other values, take the first */
6098 ++p_header_data;
6099
6100 l_mcc_record = l_tcp->m_mcc_records;
6101
6102 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
6103 if (l_mcc_record->m_index == l_indix) {
6104 break;
6105 }
6106 ++l_mcc_record;
6107 }
6108
6109 /** NOT FOUND */
6110 if (i == l_tcp->m_nb_mcc_records) {
6111 if (l_tcp->m_nb_mcc_records == l_tcp->m_nb_max_mcc_records) {
6112 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
6113 l_tcp->m_nb_max_mcc_records += OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
6114
6115 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
6116 l_tcp->m_mcc_records, l_tcp->m_nb_max_mcc_records * sizeof(
6117 opj_simple_mcc_decorrelation_data_t));
6118 if (! new_mcc_records) {
6119 opj_free(l_tcp->m_mcc_records);
6120 l_tcp->m_mcc_records = NULL;
6121 l_tcp->m_nb_max_mcc_records = 0;
6122 l_tcp->m_nb_mcc_records = 0;
6123 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCC marker\n");
6124 return OPJ_FALSE;
6125 }
6126 l_tcp->m_mcc_records = new_mcc_records;
6127 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
6128 memset(l_mcc_record, 0, (l_tcp->m_nb_max_mcc_records - l_tcp->m_nb_mcc_records)
6129 * sizeof(opj_simple_mcc_decorrelation_data_t));
6130 }
6131 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
6132 l_new_mcc = OPJ_TRUE;
6133 }
6134 l_mcc_record->m_index = l_indix;
6135
6136 /* only one marker atm */
6137 opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymcc */
6138 p_header_data += 2;
6139 if (l_tmp != 0) {
6140 opj_event_msg(p_manager, EVT_WARNING,
6141 "Cannot take in charge multiple data spanning\n");
6142 return OPJ_TRUE;
6143 }
6144
6145 opj_read_bytes(p_header_data, &l_nb_collections,
6146 2); /* Qmcc -> number of collections -> 1 */
6147 p_header_data += 2;
6148
6149 if (l_nb_collections > 1) {
6150 opj_event_msg(p_manager, EVT_WARNING,
6151 "Cannot take in charge multiple collections\n");
6152 return OPJ_TRUE;
6153 }
6154
6155 p_header_size -= 7;
6156
6157 for (i = 0; i < l_nb_collections; ++i) {
6158 if (p_header_size < 3) {
6159 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6160 return OPJ_FALSE;
6161 }
6162
6163 opj_read_bytes(p_header_data, &l_tmp,
6164 1); /* Xmcci type of component transformation -> array based decorrelation */
6165 ++p_header_data;
6166
6167 if (l_tmp != 1) {
6168 opj_event_msg(p_manager, EVT_WARNING,
6169 "Cannot take in charge collections other than array decorrelation\n");
6170 return OPJ_TRUE;
6171 }
6172
6173 opj_read_bytes(p_header_data, &l_nb_comps, 2);
6174
6175 p_header_data += 2;
6176 p_header_size -= 3;
6177
6178 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
6179 l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff;
6180
6181 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2)) {
6182 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6183 return OPJ_FALSE;
6184 }
6185
6186 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2);
6187
6188 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
6189 opj_read_bytes(p_header_data, &l_tmp,
6190 l_nb_bytes_by_comp); /* Cmccij Component offset*/
6191 p_header_data += l_nb_bytes_by_comp;
6192
6193 if (l_tmp != j) {
6194 opj_event_msg(p_manager, EVT_WARNING,
6195 "Cannot take in charge collections with indix shuffle\n");
6196 return OPJ_TRUE;
6197 }
6198 }
6199
6200 opj_read_bytes(p_header_data, &l_nb_comps, 2);
6201 p_header_data += 2;
6202
6203 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
6204 l_nb_comps &= 0x7fff;
6205
6206 if (l_nb_comps != l_mcc_record->m_nb_comps) {
6207 opj_event_msg(p_manager, EVT_WARNING,
6208 "Cannot take in charge collections without same number of indixes\n");
6209 return OPJ_TRUE;
6210 }
6211
6212 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3)) {
6213 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6214 return OPJ_FALSE;
6215 }
6216
6217 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3);
6218
6219 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
6220 opj_read_bytes(p_header_data, &l_tmp,
6221 l_nb_bytes_by_comp); /* Wmccij Component offset*/
6222 p_header_data += l_nb_bytes_by_comp;
6223
6224 if (l_tmp != j) {
6225 opj_event_msg(p_manager, EVT_WARNING,
6226 "Cannot take in charge collections with indix shuffle\n");
6227 return OPJ_TRUE;
6228 }
6229 }
6230
6231 opj_read_bytes(p_header_data, &l_tmp, 3); /* Wmccij Component offset*/
6232 p_header_data += 3;
6233
6234 l_mcc_record->m_is_irreversible = !((l_tmp >> 16) & 1);
6235 l_mcc_record->m_decorrelation_array = 00;
6236 l_mcc_record->m_offset_array = 00;
6237
6238 l_indix = l_tmp & 0xff;
6239 if (l_indix != 0) {
6240 l_mct_data = l_tcp->m_mct_records;
6241 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6242 if (l_mct_data->m_index == l_indix) {
6243 l_mcc_record->m_decorrelation_array = l_mct_data;
6244 break;
6245 }
6246 ++l_mct_data;
6247 }
6248
6249 if (l_mcc_record->m_decorrelation_array == 00) {
6250 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6251 return OPJ_FALSE;
6252 }
6253 }
6254
6255 l_indix = (l_tmp >> 8) & 0xff;
6256 if (l_indix != 0) {
6257 l_mct_data = l_tcp->m_mct_records;
6258 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6259 if (l_mct_data->m_index == l_indix) {
6260 l_mcc_record->m_offset_array = l_mct_data;
6261 break;
6262 }
6263 ++l_mct_data;
6264 }
6265
6266 if (l_mcc_record->m_offset_array == 00) {
6267 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6268 return OPJ_FALSE;
6269 }
6270 }
6271 }
6272
6273 if (p_header_size != 0) {
6274 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6275 return OPJ_FALSE;
6276 }
6277
6278 if (l_new_mcc) {
6279 ++l_tcp->m_nb_mcc_records;
6280 }
6281
6282 return OPJ_TRUE;
6283 }
6284
opj_j2k_write_mco(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)6285 static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
6286 struct opj_stream_private *p_stream,
6287 struct opj_event_mgr * p_manager
6288 )
6289 {
6290 OPJ_BYTE * l_current_data = 00;
6291 OPJ_UINT32 l_mco_size;
6292 opj_tcp_t * l_tcp = 00;
6293 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6294 OPJ_UINT32 i;
6295
6296 /* preconditions */
6297 assert(p_j2k != 00);
6298 assert(p_manager != 00);
6299 assert(p_stream != 00);
6300
6301 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
6302
6303 l_mco_size = 5 + l_tcp->m_nb_mcc_records;
6304 if (l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6305
6306 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6307 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size);
6308 if (! new_header_tile_data) {
6309 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6310 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6311 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6312 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCO marker\n");
6313 return OPJ_FALSE;
6314 }
6315 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6316 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
6317 }
6318 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6319
6320
6321 opj_write_bytes(l_current_data, J2K_MS_MCO, 2); /* MCO */
6322 l_current_data += 2;
6323
6324 opj_write_bytes(l_current_data, l_mco_size - 2, 2); /* Lmco */
6325 l_current_data += 2;
6326
6327 opj_write_bytes(l_current_data, l_tcp->m_nb_mcc_records,
6328 1); /* Nmco : only one transform stage*/
6329 ++l_current_data;
6330
6331 l_mcc_record = l_tcp->m_mcc_records;
6332 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
6333 opj_write_bytes(l_current_data, l_mcc_record->m_index,
6334 1); /* Imco -> use the mcc indicated by 1*/
6335 ++l_current_data;
6336 ++l_mcc_record;
6337 }
6338
6339 if (opj_stream_write_data(p_stream,
6340 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size,
6341 p_manager) != l_mco_size) {
6342 return OPJ_FALSE;
6343 }
6344
6345 return OPJ_TRUE;
6346 }
6347
6348 /**
6349 * Reads a MCO marker (Multiple Component Transform Ordering)
6350 *
6351 * @param p_header_data the data contained in the MCO box.
6352 * @param p_j2k the jpeg2000 codec.
6353 * @param p_header_size the size of the data contained in the MCO marker.
6354 * @param p_manager the user event manager.
6355 */
opj_j2k_read_mco(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)6356 static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
6357 OPJ_BYTE * p_header_data,
6358 OPJ_UINT32 p_header_size,
6359 opj_event_mgr_t * p_manager
6360 )
6361 {
6362 OPJ_UINT32 l_tmp, i;
6363 OPJ_UINT32 l_nb_stages;
6364 opj_tcp_t * l_tcp;
6365 opj_tccp_t * l_tccp;
6366 opj_image_t * l_image;
6367
6368 /* preconditions */
6369 assert(p_header_data != 00);
6370 assert(p_j2k != 00);
6371 assert(p_manager != 00);
6372
6373 l_image = p_j2k->m_private_image;
6374 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
6375 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
6376 p_j2k->m_specific_param.m_decoder.m_default_tcp;
6377
6378 if (p_header_size < 1) {
6379 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCO marker\n");
6380 return OPJ_FALSE;
6381 }
6382
6383 opj_read_bytes(p_header_data, &l_nb_stages,
6384 1); /* Nmco : only one transform stage*/
6385 ++p_header_data;
6386
6387 if (l_nb_stages > 1) {
6388 opj_event_msg(p_manager, EVT_WARNING,
6389 "Cannot take in charge multiple transformation stages.\n");
6390 return OPJ_TRUE;
6391 }
6392
6393 if (p_header_size != l_nb_stages + 1) {
6394 opj_event_msg(p_manager, EVT_WARNING, "Error reading MCO marker\n");
6395 return OPJ_FALSE;
6396 }
6397
6398 l_tccp = l_tcp->tccps;
6399
6400 for (i = 0; i < l_image->numcomps; ++i) {
6401 l_tccp->m_dc_level_shift = 0;
6402 ++l_tccp;
6403 }
6404
6405 if (l_tcp->m_mct_decoding_matrix) {
6406 opj_free(l_tcp->m_mct_decoding_matrix);
6407 l_tcp->m_mct_decoding_matrix = 00;
6408 }
6409
6410 for (i = 0; i < l_nb_stages; ++i) {
6411 opj_read_bytes(p_header_data, &l_tmp, 1);
6412 ++p_header_data;
6413
6414 if (! opj_j2k_add_mct(l_tcp, p_j2k->m_private_image, l_tmp)) {
6415 return OPJ_FALSE;
6416 }
6417 }
6418
6419 return OPJ_TRUE;
6420 }
6421
opj_j2k_add_mct(opj_tcp_t * p_tcp,opj_image_t * p_image,OPJ_UINT32 p_index)6422 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
6423 OPJ_UINT32 p_index)
6424 {
6425 OPJ_UINT32 i;
6426 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6427 opj_mct_data_t * l_deco_array, * l_offset_array;
6428 OPJ_UINT32 l_data_size, l_mct_size, l_offset_size;
6429 OPJ_UINT32 l_nb_elem;
6430 OPJ_UINT32 * l_offset_data, * l_current_offset_data;
6431 opj_tccp_t * l_tccp;
6432
6433 /* preconditions */
6434 assert(p_tcp != 00);
6435
6436 l_mcc_record = p_tcp->m_mcc_records;
6437
6438 for (i = 0; i < p_tcp->m_nb_mcc_records; ++i) {
6439 if (l_mcc_record->m_index == p_index) {
6440 break;
6441 }
6442 }
6443
6444 if (i == p_tcp->m_nb_mcc_records) {
6445 /** element discarded **/
6446 return OPJ_TRUE;
6447 }
6448
6449 if (l_mcc_record->m_nb_comps != p_image->numcomps) {
6450 /** do not support number of comps != image */
6451 return OPJ_TRUE;
6452 }
6453
6454 l_deco_array = l_mcc_record->m_decorrelation_array;
6455
6456 if (l_deco_array) {
6457 l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps
6458 * p_image->numcomps;
6459 if (l_deco_array->m_data_size != l_data_size || ! l_deco_array->m_data) {
6460 return OPJ_FALSE;
6461 }
6462
6463 l_nb_elem = p_image->numcomps * p_image->numcomps;
6464 l_mct_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
6465 p_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
6466
6467 if (! p_tcp->m_mct_decoding_matrix) {
6468 return OPJ_FALSE;
6469 }
6470
6471 j2k_mct_read_functions_to_float[l_deco_array->m_element_type](
6472 l_deco_array->m_data, p_tcp->m_mct_decoding_matrix, l_nb_elem);
6473 }
6474
6475 l_offset_array = l_mcc_record->m_offset_array;
6476
6477 if (l_offset_array) {
6478 l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] *
6479 p_image->numcomps;
6480 if (l_offset_array->m_data_size != l_data_size || ! l_offset_array->m_data) {
6481 return OPJ_FALSE;
6482 }
6483
6484 l_nb_elem = p_image->numcomps;
6485 l_offset_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_UINT32);
6486 l_offset_data = (OPJ_UINT32*)opj_malloc(l_offset_size);
6487
6488 if (! l_offset_data) {
6489 return OPJ_FALSE;
6490 }
6491
6492 j2k_mct_read_functions_to_int32[l_offset_array->m_element_type](
6493 l_offset_array->m_data, l_offset_data, l_nb_elem);
6494
6495 l_tccp = p_tcp->tccps;
6496 l_current_offset_data = l_offset_data;
6497
6498 for (i = 0; i < p_image->numcomps; ++i) {
6499 l_tccp->m_dc_level_shift = (OPJ_INT32) * (l_current_offset_data++);
6500 ++l_tccp;
6501 }
6502
6503 opj_free(l_offset_data);
6504 }
6505
6506 return OPJ_TRUE;
6507 }
6508
opj_j2k_write_cbd(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)6509 static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
6510 struct opj_stream_private *p_stream,
6511 struct opj_event_mgr * p_manager)
6512 {
6513 OPJ_UINT32 i;
6514 OPJ_UINT32 l_cbd_size;
6515 OPJ_BYTE * l_current_data = 00;
6516 opj_image_t *l_image = 00;
6517 opj_image_comp_t * l_comp = 00;
6518
6519 /* preconditions */
6520 assert(p_j2k != 00);
6521 assert(p_manager != 00);
6522 assert(p_stream != 00);
6523
6524 l_image = p_j2k->m_private_image;
6525 l_cbd_size = 6 + p_j2k->m_private_image->numcomps;
6526
6527 if (l_cbd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6528 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6529 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size);
6530 if (! new_header_tile_data) {
6531 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6532 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6533 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6534 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write CBD marker\n");
6535 return OPJ_FALSE;
6536 }
6537 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6538 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_cbd_size;
6539 }
6540
6541 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6542
6543 opj_write_bytes(l_current_data, J2K_MS_CBD, 2); /* CBD */
6544 l_current_data += 2;
6545
6546 opj_write_bytes(l_current_data, l_cbd_size - 2, 2); /* L_CBD */
6547 l_current_data += 2;
6548
6549 opj_write_bytes(l_current_data, l_image->numcomps, 2); /* Ncbd */
6550 l_current_data += 2;
6551
6552 l_comp = l_image->comps;
6553
6554 for (i = 0; i < l_image->numcomps; ++i) {
6555 opj_write_bytes(l_current_data, (l_comp->sgnd << 7) | (l_comp->prec - 1),
6556 1); /* Component bit depth */
6557 ++l_current_data;
6558
6559 ++l_comp;
6560 }
6561
6562 if (opj_stream_write_data(p_stream,
6563 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size,
6564 p_manager) != l_cbd_size) {
6565 return OPJ_FALSE;
6566 }
6567
6568 return OPJ_TRUE;
6569 }
6570
6571 /**
6572 * Reads a CBD marker (Component bit depth definition)
6573 * @param p_header_data the data contained in the CBD box.
6574 * @param p_j2k the jpeg2000 codec.
6575 * @param p_header_size the size of the data contained in the CBD marker.
6576 * @param p_manager the user event manager.
6577 */
opj_j2k_read_cbd(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)6578 static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
6579 OPJ_BYTE * p_header_data,
6580 OPJ_UINT32 p_header_size,
6581 opj_event_mgr_t * p_manager
6582 )
6583 {
6584 OPJ_UINT32 l_nb_comp, l_num_comp;
6585 OPJ_UINT32 l_comp_def;
6586 OPJ_UINT32 i;
6587 opj_image_comp_t * l_comp = 00;
6588
6589 /* preconditions */
6590 assert(p_header_data != 00);
6591 assert(p_j2k != 00);
6592 assert(p_manager != 00);
6593
6594 l_num_comp = p_j2k->m_private_image->numcomps;
6595
6596 if (p_header_size != (p_j2k->m_private_image->numcomps + 2)) {
6597 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
6598 return OPJ_FALSE;
6599 }
6600
6601 opj_read_bytes(p_header_data, &l_nb_comp,
6602 2); /* Ncbd */
6603 p_header_data += 2;
6604
6605 if (l_nb_comp != l_num_comp) {
6606 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
6607 return OPJ_FALSE;
6608 }
6609
6610 l_comp = p_j2k->m_private_image->comps;
6611 for (i = 0; i < l_num_comp; ++i) {
6612 opj_read_bytes(p_header_data, &l_comp_def,
6613 1); /* Component bit depth */
6614 ++p_header_data;
6615 l_comp->sgnd = (l_comp_def >> 7) & 1;
6616 l_comp->prec = (l_comp_def & 0x7f) + 1;
6617
6618 if (l_comp->prec > 31) {
6619 opj_event_msg(p_manager, EVT_ERROR,
6620 "Invalid values for comp = %d : prec=%u (should be between 1 and 38 according to the JPEG2000 norm. OpenJpeg only supports up to 31)\n",
6621 i, l_comp->prec);
6622 return OPJ_FALSE;
6623 }
6624 ++l_comp;
6625 }
6626
6627 return OPJ_TRUE;
6628 }
6629
6630 /**
6631 * Reads a CAP marker (extended capabilities definition). Empty implementation.
6632 * Found in HTJ2K files.
6633 *
6634 * @param p_header_data the data contained in the CAP box.
6635 * @param p_j2k the jpeg2000 codec.
6636 * @param p_header_size the size of the data contained in the CAP marker.
6637 * @param p_manager the user event manager.
6638 */
opj_j2k_read_cap(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)6639 static OPJ_BOOL opj_j2k_read_cap(opj_j2k_t *p_j2k,
6640 OPJ_BYTE * p_header_data,
6641 OPJ_UINT32 p_header_size,
6642 opj_event_mgr_t * p_manager
6643 )
6644 {
6645 /* preconditions */
6646 assert(p_header_data != 00);
6647 assert(p_j2k != 00);
6648 assert(p_manager != 00);
6649
6650 (void)p_j2k;
6651 (void)p_header_data;
6652 (void)p_header_size;
6653 (void)p_manager;
6654
6655 return OPJ_TRUE;
6656 }
6657
6658 /**
6659 * Reads a CPF marker (corresponding profile). Empty implementation. Found in HTJ2K files
6660 * @param p_header_data the data contained in the CPF box.
6661 * @param p_j2k the jpeg2000 codec.
6662 * @param p_header_size the size of the data contained in the CPF marker.
6663 * @param p_manager the user event manager.
6664 */
opj_j2k_read_cpf(opj_j2k_t * p_j2k,OPJ_BYTE * p_header_data,OPJ_UINT32 p_header_size,opj_event_mgr_t * p_manager)6665 static OPJ_BOOL opj_j2k_read_cpf(opj_j2k_t *p_j2k,
6666 OPJ_BYTE * p_header_data,
6667 OPJ_UINT32 p_header_size,
6668 opj_event_mgr_t * p_manager
6669 )
6670 {
6671 /* preconditions */
6672 assert(p_header_data != 00);
6673 assert(p_j2k != 00);
6674 assert(p_manager != 00);
6675
6676 (void)p_j2k;
6677 (void)p_header_data;
6678 (void)p_header_size;
6679 (void)p_manager;
6680
6681 return OPJ_TRUE;
6682 }
6683
6684 /* ----------------------------------------------------------------------- */
6685 /* J2K / JPT decoder interface */
6686 /* ----------------------------------------------------------------------- */
6687
opj_j2k_setup_decoder(void * p_j2k,opj_dparameters_t * parameters)6688 void opj_j2k_setup_decoder(void *p_j2k, opj_dparameters_t *parameters)
6689 {
6690 opj_j2k_t* j2k = (opj_j2k_t*)p_j2k;
6691 if (j2k && parameters) {
6692 j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer;
6693 j2k->m_cp.m_specific_param.m_dec.m_reduce = parameters->cp_reduce;
6694
6695 j2k->dump_state = (parameters->flags & OPJ_DPARAMETERS_DUMP_FLAG);
6696 #ifdef USE_JPWL
6697 j2k->m_cp.correct = parameters->jpwl_correct;
6698 j2k->m_cp.exp_comps = parameters->jpwl_exp_comps;
6699 j2k->m_cp.max_tiles = parameters->jpwl_max_tiles;
6700 #endif /* USE_JPWL */
6701 }
6702 }
6703
opj_j2k_decoder_set_strict_mode(void * p_j2k,OPJ_BOOL strict)6704 void opj_j2k_decoder_set_strict_mode(void *p_j2k, OPJ_BOOL strict)
6705 {
6706 opj_j2k_t* j2k = (opj_j2k_t*)p_j2k;
6707 if (j2k) {
6708 j2k->m_cp.strict = strict;
6709 }
6710 }
6711
opj_j2k_set_threads(void * p_j2k,OPJ_UINT32 num_threads)6712 OPJ_BOOL opj_j2k_set_threads(void *p_j2k, OPJ_UINT32 num_threads)
6713 {
6714 opj_j2k_t* j2k = (opj_j2k_t*)p_j2k;
6715 /* Currently we pass the thread-pool to the tcd, so we cannot re-set it */
6716 /* afterwards */
6717 if (opj_has_thread_support() && j2k->m_tcd == NULL) {
6718 opj_thread_pool_destroy(j2k->m_tp);
6719 j2k->m_tp = NULL;
6720 if (num_threads <= (OPJ_UINT32)INT_MAX) {
6721 j2k->m_tp = opj_thread_pool_create((int)num_threads);
6722 }
6723 if (j2k->m_tp == NULL) {
6724 j2k->m_tp = opj_thread_pool_create(0);
6725 return OPJ_FALSE;
6726 }
6727 return OPJ_TRUE;
6728 }
6729 return OPJ_FALSE;
6730 }
6731
opj_j2k_get_default_thread_count()6732 static int opj_j2k_get_default_thread_count()
6733 {
6734 const char* num_threads_str = getenv("OPJ_NUM_THREADS");
6735 int num_cpus;
6736 int num_threads;
6737
6738 if (num_threads_str == NULL || !opj_has_thread_support()) {
6739 return 0;
6740 }
6741 num_cpus = opj_get_num_cpus();
6742 if (strcmp(num_threads_str, "ALL_CPUS") == 0) {
6743 return num_cpus;
6744 }
6745 if (num_cpus == 0) {
6746 num_cpus = 32;
6747 }
6748 num_threads = atoi(num_threads_str);
6749 if (num_threads < 0) {
6750 num_threads = 0;
6751 } else if (num_threads > 2 * num_cpus) {
6752 num_threads = 2 * num_cpus;
6753 }
6754 return num_threads;
6755 }
6756
6757 /* ----------------------------------------------------------------------- */
6758 /* J2K encoder interface */
6759 /* ----------------------------------------------------------------------- */
6760
opj_j2k_create_compress(void)6761 opj_j2k_t* opj_j2k_create_compress(void)
6762 {
6763 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
6764 if (!l_j2k) {
6765 return NULL;
6766 }
6767
6768
6769 l_j2k->m_is_decoder = 0;
6770 l_j2k->m_cp.m_is_decoder = 0;
6771
6772 l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(
6773 OPJ_J2K_DEFAULT_HEADER_SIZE);
6774 if (! l_j2k->m_specific_param.m_encoder.m_header_tile_data) {
6775 opj_j2k_destroy(l_j2k);
6776 return NULL;
6777 }
6778
6779 l_j2k->m_specific_param.m_encoder.m_header_tile_data_size =
6780 OPJ_J2K_DEFAULT_HEADER_SIZE;
6781
6782 /* validation list creation*/
6783 l_j2k->m_validation_list = opj_procedure_list_create();
6784 if (! l_j2k->m_validation_list) {
6785 opj_j2k_destroy(l_j2k);
6786 return NULL;
6787 }
6788
6789 /* execution list creation*/
6790 l_j2k->m_procedure_list = opj_procedure_list_create();
6791 if (! l_j2k->m_procedure_list) {
6792 opj_j2k_destroy(l_j2k);
6793 return NULL;
6794 }
6795
6796 l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
6797 if (!l_j2k->m_tp) {
6798 l_j2k->m_tp = opj_thread_pool_create(0);
6799 }
6800 if (!l_j2k->m_tp) {
6801 opj_j2k_destroy(l_j2k);
6802 return NULL;
6803 }
6804
6805 return l_j2k;
6806 }
6807
opj_j2k_initialise_4K_poc(opj_poc_t * POC,int numres)6808 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres)
6809 {
6810 POC[0].tile = 1;
6811 POC[0].resno0 = 0;
6812 POC[0].compno0 = 0;
6813 POC[0].layno1 = 1;
6814 POC[0].resno1 = (OPJ_UINT32)(numres - 1);
6815 POC[0].compno1 = 3;
6816 POC[0].prg1 = OPJ_CPRL;
6817 POC[1].tile = 1;
6818 POC[1].resno0 = (OPJ_UINT32)(numres - 1);
6819 POC[1].compno0 = 0;
6820 POC[1].layno1 = 1;
6821 POC[1].resno1 = (OPJ_UINT32)numres;
6822 POC[1].compno1 = 3;
6823 POC[1].prg1 = OPJ_CPRL;
6824 return 2;
6825 }
6826
opj_j2k_set_cinema_parameters(opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)6827 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
6828 opj_image_t *image, opj_event_mgr_t *p_manager)
6829 {
6830 /* Configure cinema parameters */
6831 int i;
6832
6833 /* No tiling */
6834 parameters->tile_size_on = OPJ_FALSE;
6835 parameters->cp_tdx = 1;
6836 parameters->cp_tdy = 1;
6837
6838 /* One tile part for each component */
6839 parameters->tp_flag = 'C';
6840 parameters->tp_on = 1;
6841
6842 /* Tile and Image shall be at (0,0) */
6843 parameters->cp_tx0 = 0;
6844 parameters->cp_ty0 = 0;
6845 parameters->image_offset_x0 = 0;
6846 parameters->image_offset_y0 = 0;
6847
6848 /* Codeblock size= 32*32 */
6849 parameters->cblockw_init = 32;
6850 parameters->cblockh_init = 32;
6851
6852 /* Codeblock style: no mode switch enabled */
6853 parameters->mode = 0;
6854
6855 /* No ROI */
6856 parameters->roi_compno = -1;
6857
6858 /* No subsampling */
6859 parameters->subsampling_dx = 1;
6860 parameters->subsampling_dy = 1;
6861
6862 /* 9-7 transform */
6863 parameters->irreversible = 1;
6864
6865 /* Number of layers */
6866 if (parameters->tcp_numlayers > 1) {
6867 opj_event_msg(p_manager, EVT_WARNING,
6868 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6869 "1 single quality layer"
6870 "-> Number of layers forced to 1 (rather than %d)\n"
6871 "-> Rate of the last layer (%3.1f) will be used",
6872 parameters->tcp_numlayers,
6873 parameters->tcp_rates[parameters->tcp_numlayers - 1]);
6874 parameters->tcp_rates[0] = parameters->tcp_rates[parameters->tcp_numlayers - 1];
6875 parameters->tcp_numlayers = 1;
6876 }
6877
6878 /* Resolution levels */
6879 switch (parameters->rsiz) {
6880 case OPJ_PROFILE_CINEMA_2K:
6881 if (parameters->numresolution > 6) {
6882 opj_event_msg(p_manager, EVT_WARNING,
6883 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6884 "Number of decomposition levels <= 5\n"
6885 "-> Number of decomposition levels forced to 5 (rather than %d)\n",
6886 parameters->numresolution + 1);
6887 parameters->numresolution = 6;
6888 }
6889 break;
6890 case OPJ_PROFILE_CINEMA_4K:
6891 if (parameters->numresolution < 2) {
6892 opj_event_msg(p_manager, EVT_WARNING,
6893 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6894 "Number of decomposition levels >= 1 && <= 6\n"
6895 "-> Number of decomposition levels forced to 1 (rather than %d)\n",
6896 parameters->numresolution + 1);
6897 parameters->numresolution = 1;
6898 } else if (parameters->numresolution > 7) {
6899 opj_event_msg(p_manager, EVT_WARNING,
6900 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6901 "Number of decomposition levels >= 1 && <= 6\n"
6902 "-> Number of decomposition levels forced to 6 (rather than %d)\n",
6903 parameters->numresolution + 1);
6904 parameters->numresolution = 7;
6905 }
6906 break;
6907 default :
6908 break;
6909 }
6910
6911 /* Precincts */
6912 parameters->csty |= J2K_CP_CSTY_PRT;
6913 if (parameters->numresolution == 1) {
6914 parameters->res_spec = 1;
6915 parameters->prcw_init[0] = 128;
6916 parameters->prch_init[0] = 128;
6917 } else {
6918 parameters->res_spec = parameters->numresolution - 1;
6919 for (i = 0; i < parameters->res_spec; i++) {
6920 parameters->prcw_init[i] = 256;
6921 parameters->prch_init[i] = 256;
6922 }
6923 }
6924
6925 /* The progression order shall be CPRL */
6926 parameters->prog_order = OPJ_CPRL;
6927
6928 /* Progression order changes for 4K, disallowed for 2K */
6929 if (parameters->rsiz == OPJ_PROFILE_CINEMA_4K) {
6930 parameters->numpocs = (OPJ_UINT32)opj_j2k_initialise_4K_poc(parameters->POC,
6931 parameters->numresolution);
6932 } else {
6933 parameters->numpocs = 0;
6934 }
6935
6936 /* Limited bit-rate */
6937 parameters->cp_disto_alloc = 1;
6938 if (parameters->max_cs_size <= 0) {
6939 /* No rate has been introduced, 24 fps is assumed */
6940 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6941 opj_event_msg(p_manager, EVT_WARNING,
6942 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6943 "Maximum 1302083 compressed bytes @ 24fps\n"
6944 "As no rate has been given, this limit will be used.\n");
6945 } else if (parameters->max_cs_size > OPJ_CINEMA_24_CS) {
6946 opj_event_msg(p_manager, EVT_WARNING,
6947 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6948 "Maximum 1302083 compressed bytes @ 24fps\n"
6949 "-> Specified rate exceeds this limit. Rate will be forced to 1302083 bytes.\n");
6950 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6951 }
6952
6953 if (parameters->max_comp_size <= 0) {
6954 /* No rate has been introduced, 24 fps is assumed */
6955 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6956 opj_event_msg(p_manager, EVT_WARNING,
6957 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6958 "Maximum 1041666 compressed bytes @ 24fps\n"
6959 "As no rate has been given, this limit will be used.\n");
6960 } else if (parameters->max_comp_size > OPJ_CINEMA_24_COMP) {
6961 opj_event_msg(p_manager, EVT_WARNING,
6962 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6963 "Maximum 1041666 compressed bytes @ 24fps\n"
6964 "-> Specified rate exceeds this limit. Rate will be forced to 1041666 bytes.\n");
6965 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6966 }
6967
6968 parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
6969 image->comps[0].h * image->comps[0].prec) /
6970 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
6971 image->comps[0].dy);
6972
6973 }
6974
opj_j2k_is_cinema_compliant(opj_image_t * image,OPJ_UINT16 rsiz,opj_event_mgr_t * p_manager)6975 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
6976 opj_event_mgr_t *p_manager)
6977 {
6978 OPJ_UINT32 i;
6979
6980 /* Number of components */
6981 if (image->numcomps != 3) {
6982 opj_event_msg(p_manager, EVT_WARNING,
6983 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6984 "3 components"
6985 "-> Number of components of input image (%d) is not compliant\n"
6986 "-> Non-profile-3 codestream will be generated\n",
6987 image->numcomps);
6988 return OPJ_FALSE;
6989 }
6990
6991 /* Bitdepth */
6992 for (i = 0; i < image->numcomps; i++) {
6993 if ((image->comps[i].prec != 12) | (image->comps[i].sgnd)) {
6994 char signed_str[] = "signed";
6995 char unsigned_str[] = "unsigned";
6996 char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
6997 opj_event_msg(p_manager, EVT_WARNING,
6998 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6999 "Precision of each component shall be 12 bits unsigned"
7000 "-> At least component %d of input image (%d bits, %s) is not compliant\n"
7001 "-> Non-profile-3 codestream will be generated\n",
7002 i, image->comps[i].prec, tmp_str);
7003 return OPJ_FALSE;
7004 }
7005 }
7006
7007 /* Image size */
7008 switch (rsiz) {
7009 case OPJ_PROFILE_CINEMA_2K:
7010 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1080))) {
7011 opj_event_msg(p_manager, EVT_WARNING,
7012 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
7013 "width <= 2048 and height <= 1080\n"
7014 "-> Input image size %d x %d is not compliant\n"
7015 "-> Non-profile-3 codestream will be generated\n",
7016 image->comps[0].w, image->comps[0].h);
7017 return OPJ_FALSE;
7018 }
7019 break;
7020 case OPJ_PROFILE_CINEMA_4K:
7021 if (((image->comps[0].w > 4096) | (image->comps[0].h > 2160))) {
7022 opj_event_msg(p_manager, EVT_WARNING,
7023 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
7024 "width <= 4096 and height <= 2160\n"
7025 "-> Image size %d x %d is not compliant\n"
7026 "-> Non-profile-4 codestream will be generated\n",
7027 image->comps[0].w, image->comps[0].h);
7028 return OPJ_FALSE;
7029 }
7030 break;
7031 default :
7032 break;
7033 }
7034
7035 return OPJ_TRUE;
7036 }
7037
opj_j2k_get_imf_max_NL(opj_cparameters_t * parameters,opj_image_t * image)7038 static int opj_j2k_get_imf_max_NL(opj_cparameters_t *parameters,
7039 opj_image_t *image)
7040 {
7041 /* Decomposition levels */
7042 const OPJ_UINT16 rsiz = parameters->rsiz;
7043 const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
7044 const OPJ_UINT32 XTsiz = parameters->tile_size_on ? (OPJ_UINT32)
7045 parameters->cp_tdx : image->x1;
7046 switch (profile) {
7047 case OPJ_PROFILE_IMF_2K:
7048 return 5;
7049 case OPJ_PROFILE_IMF_4K:
7050 return 6;
7051 case OPJ_PROFILE_IMF_8K:
7052 return 7;
7053 case OPJ_PROFILE_IMF_2K_R: {
7054 if (XTsiz >= 2048) {
7055 return 5;
7056 } else if (XTsiz >= 1024) {
7057 return 4;
7058 }
7059 break;
7060 }
7061 case OPJ_PROFILE_IMF_4K_R: {
7062 if (XTsiz >= 4096) {
7063 return 6;
7064 } else if (XTsiz >= 2048) {
7065 return 5;
7066 } else if (XTsiz >= 1024) {
7067 return 4;
7068 }
7069 break;
7070 }
7071 case OPJ_PROFILE_IMF_8K_R: {
7072 if (XTsiz >= 8192) {
7073 return 7;
7074 } else if (XTsiz >= 4096) {
7075 return 6;
7076 } else if (XTsiz >= 2048) {
7077 return 5;
7078 } else if (XTsiz >= 1024) {
7079 return 4;
7080 }
7081 break;
7082 }
7083 default:
7084 break;
7085 }
7086 return -1;
7087 }
7088
opj_j2k_set_imf_parameters(opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)7089 static void opj_j2k_set_imf_parameters(opj_cparameters_t *parameters,
7090 opj_image_t *image, opj_event_mgr_t *p_manager)
7091 {
7092 const OPJ_UINT16 rsiz = parameters->rsiz;
7093 const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
7094
7095 OPJ_UNUSED(p_manager);
7096
7097 /* Override defaults set by opj_set_default_encoder_parameters */
7098 if (parameters->cblockw_init == OPJ_COMP_PARAM_DEFAULT_CBLOCKW &&
7099 parameters->cblockh_init == OPJ_COMP_PARAM_DEFAULT_CBLOCKH) {
7100 parameters->cblockw_init = 32;
7101 parameters->cblockh_init = 32;
7102 }
7103
7104 /* One tile part for each component */
7105 parameters->tp_flag = 'C';
7106 parameters->tp_on = 1;
7107
7108 if (parameters->prog_order == OPJ_COMP_PARAM_DEFAULT_PROG_ORDER) {
7109 parameters->prog_order = OPJ_CPRL;
7110 }
7111
7112 if (profile == OPJ_PROFILE_IMF_2K ||
7113 profile == OPJ_PROFILE_IMF_4K ||
7114 profile == OPJ_PROFILE_IMF_8K) {
7115 /* 9-7 transform */
7116 parameters->irreversible = 1;
7117 }
7118
7119 /* Adjust the number of resolutions if set to its defaults */
7120 if (parameters->numresolution == OPJ_COMP_PARAM_DEFAULT_NUMRESOLUTION &&
7121 image->x0 == 0 &&
7122 image->y0 == 0) {
7123 const int max_NL = opj_j2k_get_imf_max_NL(parameters, image);
7124 if (max_NL >= 0 && parameters->numresolution > max_NL) {
7125 parameters->numresolution = max_NL + 1;
7126 }
7127
7128 /* Note: below is generic logic */
7129 if (!parameters->tile_size_on) {
7130 while (parameters->numresolution > 0) {
7131 if (image->x1 < (1U << ((OPJ_UINT32)parameters->numresolution - 1U))) {
7132 parameters->numresolution --;
7133 continue;
7134 }
7135 if (image->y1 < (1U << ((OPJ_UINT32)parameters->numresolution - 1U))) {
7136 parameters->numresolution --;
7137 continue;
7138 }
7139 break;
7140 }
7141 }
7142 }
7143
7144 /* Set defaults precincts */
7145 if (parameters->csty == 0) {
7146 parameters->csty |= J2K_CP_CSTY_PRT;
7147 if (parameters->numresolution == 1) {
7148 parameters->res_spec = 1;
7149 parameters->prcw_init[0] = 128;
7150 parameters->prch_init[0] = 128;
7151 } else {
7152 int i;
7153 parameters->res_spec = parameters->numresolution - 1;
7154 for (i = 0; i < parameters->res_spec; i++) {
7155 parameters->prcw_init[i] = 256;
7156 parameters->prch_init[i] = 256;
7157 }
7158 }
7159 }
7160 }
7161
7162 /* Table A.53 from JPEG2000 standard */
7163 static const OPJ_UINT16 tabMaxSubLevelFromMainLevel[] = {
7164 15, /* unspecified */
7165 1,
7166 1,
7167 1,
7168 2,
7169 3,
7170 4,
7171 5,
7172 6,
7173 7,
7174 8,
7175 9
7176 };
7177
opj_j2k_is_imf_compliant(opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)7178 static OPJ_BOOL opj_j2k_is_imf_compliant(opj_cparameters_t *parameters,
7179 opj_image_t *image,
7180 opj_event_mgr_t *p_manager)
7181 {
7182 OPJ_UINT32 i;
7183 const OPJ_UINT16 rsiz = parameters->rsiz;
7184 const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
7185 const OPJ_UINT16 mainlevel = OPJ_GET_IMF_MAINLEVEL(rsiz);
7186 const OPJ_UINT16 sublevel = OPJ_GET_IMF_SUBLEVEL(rsiz);
7187 const int NL = parameters->numresolution - 1;
7188 const OPJ_UINT32 XTsiz = parameters->tile_size_on ? (OPJ_UINT32)
7189 parameters->cp_tdx : image->x1;
7190 OPJ_BOOL ret = OPJ_TRUE;
7191
7192 /* Validate mainlevel */
7193 if (mainlevel > OPJ_IMF_MAINLEVEL_MAX) {
7194 opj_event_msg(p_manager, EVT_WARNING,
7195 "IMF profile require mainlevel <= 11.\n"
7196 "-> %d is thus not compliant\n"
7197 "-> Non-IMF codestream will be generated\n",
7198 mainlevel);
7199 ret = OPJ_FALSE;
7200 } else {
7201 /* Validate sublevel */
7202 assert(sizeof(tabMaxSubLevelFromMainLevel) ==
7203 (OPJ_IMF_MAINLEVEL_MAX + 1) * sizeof(tabMaxSubLevelFromMainLevel[0]));
7204 if (sublevel > tabMaxSubLevelFromMainLevel[mainlevel]) {
7205 opj_event_msg(p_manager, EVT_WARNING,
7206 "IMF profile require sublevel <= %d for mainlevel = %d.\n"
7207 "-> %d is thus not compliant\n"
7208 "-> Non-IMF codestream will be generated\n",
7209 tabMaxSubLevelFromMainLevel[mainlevel],
7210 mainlevel,
7211 sublevel);
7212 ret = OPJ_FALSE;
7213 }
7214 }
7215
7216 /* Number of components */
7217 if (image->numcomps > 3) {
7218 opj_event_msg(p_manager, EVT_WARNING,
7219 "IMF profiles require at most 3 components.\n"
7220 "-> Number of components of input image (%d) is not compliant\n"
7221 "-> Non-IMF codestream will be generated\n",
7222 image->numcomps);
7223 ret = OPJ_FALSE;
7224 }
7225
7226 if (image->x0 != 0 || image->y0 != 0) {
7227 opj_event_msg(p_manager, EVT_WARNING,
7228 "IMF profiles require image origin to be at 0,0.\n"
7229 "-> %d,%d is not compliant\n"
7230 "-> Non-IMF codestream will be generated\n",
7231 image->x0, image->y0 != 0);
7232 ret = OPJ_FALSE;
7233 }
7234
7235 if (parameters->cp_tx0 != 0 || parameters->cp_ty0 != 0) {
7236 opj_event_msg(p_manager, EVT_WARNING,
7237 "IMF profiles require tile origin to be at 0,0.\n"
7238 "-> %d,%d is not compliant\n"
7239 "-> Non-IMF codestream will be generated\n",
7240 parameters->cp_tx0, parameters->cp_ty0);
7241 ret = OPJ_FALSE;
7242 }
7243
7244 if (parameters->tile_size_on) {
7245 if (profile == OPJ_PROFILE_IMF_2K ||
7246 profile == OPJ_PROFILE_IMF_4K ||
7247 profile == OPJ_PROFILE_IMF_8K) {
7248 if ((OPJ_UINT32)parameters->cp_tdx < image->x1 ||
7249 (OPJ_UINT32)parameters->cp_tdy < image->y1) {
7250 opj_event_msg(p_manager, EVT_WARNING,
7251 "IMF 2K/4K/8K single tile profiles require tile to be greater or equal to image size.\n"
7252 "-> %d,%d is lesser than %d,%d\n"
7253 "-> Non-IMF codestream will be generated\n",
7254 parameters->cp_tdx,
7255 parameters->cp_tdy,
7256 image->x1,
7257 image->y1);
7258 ret = OPJ_FALSE;
7259 }
7260 } else {
7261 if ((OPJ_UINT32)parameters->cp_tdx >= image->x1 &&
7262 (OPJ_UINT32)parameters->cp_tdy >= image->y1) {
7263 /* ok */
7264 } else if (parameters->cp_tdx == 1024 &&
7265 parameters->cp_tdy == 1024) {
7266 /* ok */
7267 } else if (parameters->cp_tdx == 2048 &&
7268 parameters->cp_tdy == 2048 &&
7269 (profile == OPJ_PROFILE_IMF_4K ||
7270 profile == OPJ_PROFILE_IMF_8K)) {
7271 /* ok */
7272 } else if (parameters->cp_tdx == 4096 &&
7273 parameters->cp_tdy == 4096 &&
7274 profile == OPJ_PROFILE_IMF_8K) {
7275 /* ok */
7276 } else {
7277 opj_event_msg(p_manager, EVT_WARNING,
7278 "IMF 2K_R/4K_R/8K_R single/multiple tile profiles "
7279 "require tile to be greater or equal to image size,\n"
7280 "or to be (1024,1024), or (2048,2048) for 4K_R/8K_R "
7281 "or (4096,4096) for 8K_R.\n"
7282 "-> %d,%d is non conformant\n"
7283 "-> Non-IMF codestream will be generated\n",
7284 parameters->cp_tdx,
7285 parameters->cp_tdy);
7286 ret = OPJ_FALSE;
7287 }
7288 }
7289 }
7290
7291 /* Bitdepth */
7292 for (i = 0; i < image->numcomps; i++) {
7293 if (!(image->comps[i].prec >= 8 && image->comps[i].prec <= 16) ||
7294 (image->comps[i].sgnd)) {
7295 char signed_str[] = "signed";
7296 char unsigned_str[] = "unsigned";
7297 char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
7298 opj_event_msg(p_manager, EVT_WARNING,
7299 "IMF profiles require precision of each component to b in [8-16] bits unsigned"
7300 "-> At least component %d of input image (%d bits, %s) is not compliant\n"
7301 "-> Non-IMF codestream will be generated\n",
7302 i, image->comps[i].prec, tmp_str);
7303 ret = OPJ_FALSE;
7304 }
7305 }
7306
7307 /* Sub-sampling */
7308 for (i = 0; i < image->numcomps; i++) {
7309 if (i == 0 && image->comps[i].dx != 1) {
7310 opj_event_msg(p_manager, EVT_WARNING,
7311 "IMF profiles require XRSiz1 == 1. Here it is set to %d.\n"
7312 "-> Non-IMF codestream will be generated\n",
7313 image->comps[i].dx);
7314 ret = OPJ_FALSE;
7315 }
7316 if (i == 1 && image->comps[i].dx != 1 && image->comps[i].dx != 2) {
7317 opj_event_msg(p_manager, EVT_WARNING,
7318 "IMF profiles require XRSiz2 == 1 or 2. Here it is set to %d.\n"
7319 "-> Non-IMF codestream will be generated\n",
7320 image->comps[i].dx);
7321 ret = OPJ_FALSE;
7322 }
7323 if (i > 1 && image->comps[i].dx != image->comps[i - 1].dx) {
7324 opj_event_msg(p_manager, EVT_WARNING,
7325 "IMF profiles require XRSiz%d to be the same as XRSiz2. "
7326 "Here it is set to %d instead of %d.\n"
7327 "-> Non-IMF codestream will be generated\n",
7328 i + 1, image->comps[i].dx, image->comps[i - 1].dx);
7329 ret = OPJ_FALSE;
7330 }
7331 if (image->comps[i].dy != 1) {
7332 opj_event_msg(p_manager, EVT_WARNING,
7333 "IMF profiles require YRsiz == 1. "
7334 "Here it is set to %d for component %d.\n"
7335 "-> Non-IMF codestream will be generated\n",
7336 image->comps[i].dy, i);
7337 ret = OPJ_FALSE;
7338 }
7339 }
7340
7341 /* Image size */
7342 switch (profile) {
7343 case OPJ_PROFILE_IMF_2K:
7344 case OPJ_PROFILE_IMF_2K_R:
7345 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1556))) {
7346 opj_event_msg(p_manager, EVT_WARNING,
7347 "IMF 2K/2K_R profile require:\n"
7348 "width <= 2048 and height <= 1556\n"
7349 "-> Input image size %d x %d is not compliant\n"
7350 "-> Non-IMF codestream will be generated\n",
7351 image->comps[0].w, image->comps[0].h);
7352 ret = OPJ_FALSE;
7353 }
7354 break;
7355 case OPJ_PROFILE_IMF_4K:
7356 case OPJ_PROFILE_IMF_4K_R:
7357 if (((image->comps[0].w > 4096) | (image->comps[0].h > 3112))) {
7358 opj_event_msg(p_manager, EVT_WARNING,
7359 "IMF 4K/4K_R profile require:\n"
7360 "width <= 4096 and height <= 3112\n"
7361 "-> Input image size %d x %d is not compliant\n"
7362 "-> Non-IMF codestream will be generated\n",
7363 image->comps[0].w, image->comps[0].h);
7364 ret = OPJ_FALSE;
7365 }
7366 break;
7367 case OPJ_PROFILE_IMF_8K:
7368 case OPJ_PROFILE_IMF_8K_R:
7369 if (((image->comps[0].w > 8192) | (image->comps[0].h > 6224))) {
7370 opj_event_msg(p_manager, EVT_WARNING,
7371 "IMF 8K/8K_R profile require:\n"
7372 "width <= 8192 and height <= 6224\n"
7373 "-> Input image size %d x %d is not compliant\n"
7374 "-> Non-IMF codestream will be generated\n",
7375 image->comps[0].w, image->comps[0].h);
7376 ret = OPJ_FALSE;
7377 }
7378 break;
7379 default :
7380 assert(0);
7381 return OPJ_FALSE;
7382 }
7383
7384 if (parameters->roi_compno != -1) {
7385 opj_event_msg(p_manager, EVT_WARNING,
7386 "IMF profile forbid RGN / region of interest marker.\n"
7387 "-> Compression parameters specify a ROI\n"
7388 "-> Non-IMF codestream will be generated\n");
7389 ret = OPJ_FALSE;
7390 }
7391
7392 if (parameters->cblockw_init != 32 || parameters->cblockh_init != 32) {
7393 opj_event_msg(p_manager, EVT_WARNING,
7394 "IMF profile require code block size to be 32x32.\n"
7395 "-> Compression parameters set it to %dx%d.\n"
7396 "-> Non-IMF codestream will be generated\n",
7397 parameters->cblockw_init,
7398 parameters->cblockh_init);
7399 ret = OPJ_FALSE;
7400 }
7401
7402 if (parameters->prog_order != OPJ_CPRL) {
7403 opj_event_msg(p_manager, EVT_WARNING,
7404 "IMF profile require progression order to be CPRL.\n"
7405 "-> Compression parameters set it to %d.\n"
7406 "-> Non-IMF codestream will be generated\n",
7407 parameters->prog_order);
7408 ret = OPJ_FALSE;
7409 }
7410
7411 if (parameters->numpocs != 0) {
7412 opj_event_msg(p_manager, EVT_WARNING,
7413 "IMF profile forbid POC markers.\n"
7414 "-> Compression parameters set %d POC.\n"
7415 "-> Non-IMF codestream will be generated\n",
7416 parameters->numpocs);
7417 ret = OPJ_FALSE;
7418 }
7419
7420 /* Codeblock style: no mode switch enabled */
7421 if (parameters->mode != 0) {
7422 opj_event_msg(p_manager, EVT_WARNING,
7423 "IMF profile forbid mode switch in code block style.\n"
7424 "-> Compression parameters set code block style to %d.\n"
7425 "-> Non-IMF codestream will be generated\n",
7426 parameters->mode);
7427 ret = OPJ_FALSE;
7428 }
7429
7430 if (profile == OPJ_PROFILE_IMF_2K ||
7431 profile == OPJ_PROFILE_IMF_4K ||
7432 profile == OPJ_PROFILE_IMF_8K) {
7433 /* Expect 9-7 transform */
7434 if (parameters->irreversible != 1) {
7435 opj_event_msg(p_manager, EVT_WARNING,
7436 "IMF 2K/4K/8K profiles require 9-7 Irreversible Transform.\n"
7437 "-> Compression parameters set it to reversible.\n"
7438 "-> Non-IMF codestream will be generated\n");
7439 ret = OPJ_FALSE;
7440 }
7441 } else {
7442 /* Expect 5-3 transform */
7443 if (parameters->irreversible != 0) {
7444 opj_event_msg(p_manager, EVT_WARNING,
7445 "IMF 2K/4K/8K profiles require 5-3 reversible Transform.\n"
7446 "-> Compression parameters set it to irreversible.\n"
7447 "-> Non-IMF codestream will be generated\n");
7448 ret = OPJ_FALSE;
7449 }
7450 }
7451
7452 /* Number of layers */
7453 if (parameters->tcp_numlayers != 1) {
7454 opj_event_msg(p_manager, EVT_WARNING,
7455 "IMF 2K/4K/8K profiles require 1 single quality layer.\n"
7456 "-> Number of layers is %d.\n"
7457 "-> Non-IMF codestream will be generated\n",
7458 parameters->tcp_numlayers);
7459 ret = OPJ_FALSE;
7460 }
7461
7462 /* Decomposition levels */
7463 switch (profile) {
7464 case OPJ_PROFILE_IMF_2K:
7465 if (!(NL >= 1 && NL <= 5)) {
7466 opj_event_msg(p_manager, EVT_WARNING,
7467 "IMF 2K profile requires 1 <= NL <= 5:\n"
7468 "-> Number of decomposition levels is %d.\n"
7469 "-> Non-IMF codestream will be generated\n",
7470 NL);
7471 ret = OPJ_FALSE;
7472 }
7473 break;
7474 case OPJ_PROFILE_IMF_4K:
7475 if (!(NL >= 1 && NL <= 6)) {
7476 opj_event_msg(p_manager, EVT_WARNING,
7477 "IMF 4K profile requires 1 <= NL <= 6:\n"
7478 "-> Number of decomposition levels is %d.\n"
7479 "-> Non-IMF codestream will be generated\n",
7480 NL);
7481 ret = OPJ_FALSE;
7482 }
7483 break;
7484 case OPJ_PROFILE_IMF_8K:
7485 if (!(NL >= 1 && NL <= 7)) {
7486 opj_event_msg(p_manager, EVT_WARNING,
7487 "IMF 8K profile requires 1 <= NL <= 7:\n"
7488 "-> Number of decomposition levels is %d.\n"
7489 "-> Non-IMF codestream will be generated\n",
7490 NL);
7491 ret = OPJ_FALSE;
7492 }
7493 break;
7494 case OPJ_PROFILE_IMF_2K_R: {
7495 if (XTsiz >= 2048) {
7496 if (!(NL >= 1 && NL <= 5)) {
7497 opj_event_msg(p_manager, EVT_WARNING,
7498 "IMF 2K_R profile requires 1 <= NL <= 5 for XTsiz >= 2048:\n"
7499 "-> Number of decomposition levels is %d.\n"
7500 "-> Non-IMF codestream will be generated\n",
7501 NL);
7502 ret = OPJ_FALSE;
7503 }
7504 } else if (XTsiz >= 1024) {
7505 if (!(NL >= 1 && NL <= 4)) {
7506 opj_event_msg(p_manager, EVT_WARNING,
7507 "IMF 2K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
7508 "-> Number of decomposition levels is %d.\n"
7509 "-> Non-IMF codestream will be generated\n",
7510 NL);
7511 ret = OPJ_FALSE;
7512 }
7513 }
7514 break;
7515 }
7516 case OPJ_PROFILE_IMF_4K_R: {
7517 if (XTsiz >= 4096) {
7518 if (!(NL >= 1 && NL <= 6)) {
7519 opj_event_msg(p_manager, EVT_WARNING,
7520 "IMF 4K_R profile requires 1 <= NL <= 6 for XTsiz >= 4096:\n"
7521 "-> Number of decomposition levels is %d.\n"
7522 "-> Non-IMF codestream will be generated\n",
7523 NL);
7524 ret = OPJ_FALSE;
7525 }
7526 } else if (XTsiz >= 2048) {
7527 if (!(NL >= 1 && NL <= 5)) {
7528 opj_event_msg(p_manager, EVT_WARNING,
7529 "IMF 4K_R profile requires 1 <= NL <= 5 for XTsiz in [2048,4096[:\n"
7530 "-> Number of decomposition levels is %d.\n"
7531 "-> Non-IMF codestream will be generated\n",
7532 NL);
7533 ret = OPJ_FALSE;
7534 }
7535 } else if (XTsiz >= 1024) {
7536 if (!(NL >= 1 && NL <= 4)) {
7537 opj_event_msg(p_manager, EVT_WARNING,
7538 "IMF 4K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
7539 "-> Number of decomposition levels is %d.\n"
7540 "-> Non-IMF codestream will be generated\n",
7541 NL);
7542 ret = OPJ_FALSE;
7543 }
7544 }
7545 break;
7546 }
7547 case OPJ_PROFILE_IMF_8K_R: {
7548 if (XTsiz >= 8192) {
7549 if (!(NL >= 1 && NL <= 7)) {
7550 opj_event_msg(p_manager, EVT_WARNING,
7551 "IMF 4K_R profile requires 1 <= NL <= 7 for XTsiz >= 8192:\n"
7552 "-> Number of decomposition levels is %d.\n"
7553 "-> Non-IMF codestream will be generated\n",
7554 NL);
7555 ret = OPJ_FALSE;
7556 }
7557 } else if (XTsiz >= 4096) {
7558 if (!(NL >= 1 && NL <= 6)) {
7559 opj_event_msg(p_manager, EVT_WARNING,
7560 "IMF 4K_R profile requires 1 <= NL <= 6 for XTsiz in [4096,8192[:\n"
7561 "-> Number of decomposition levels is %d.\n"
7562 "-> Non-IMF codestream will be generated\n",
7563 NL);
7564 ret = OPJ_FALSE;
7565 }
7566 } else if (XTsiz >= 2048) {
7567 if (!(NL >= 1 && NL <= 5)) {
7568 opj_event_msg(p_manager, EVT_WARNING,
7569 "IMF 4K_R profile requires 1 <= NL <= 5 for XTsiz in [2048,4096[:\n"
7570 "-> Number of decomposition levels is %d.\n"
7571 "-> Non-IMF codestream will be generated\n",
7572 NL);
7573 ret = OPJ_FALSE;
7574 }
7575 } else if (XTsiz >= 1024) {
7576 if (!(NL >= 1 && NL <= 4)) {
7577 opj_event_msg(p_manager, EVT_WARNING,
7578 "IMF 4K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
7579 "-> Number of decomposition levels is %d.\n"
7580 "-> Non-IMF codestream will be generated\n",
7581 NL);
7582 ret = OPJ_FALSE;
7583 }
7584 }
7585 break;
7586 }
7587 default:
7588 break;
7589 }
7590
7591 if (parameters->numresolution == 1) {
7592 if (parameters->res_spec != 1 ||
7593 parameters->prcw_init[0] != 128 ||
7594 parameters->prch_init[0] != 128) {
7595 opj_event_msg(p_manager, EVT_WARNING,
7596 "IMF profiles require PPx = PPy = 7 for NLLL band, else 8.\n"
7597 "-> Supplied values are different from that.\n"
7598 "-> Non-IMF codestream will be generated\n");
7599 ret = OPJ_FALSE;
7600 }
7601 } else {
7602 int i;
7603 for (i = 0; i < parameters->res_spec; i++) {
7604 if (parameters->prcw_init[i] != 256 ||
7605 parameters->prch_init[i] != 256) {
7606 opj_event_msg(p_manager, EVT_WARNING,
7607 "IMF profiles require PPx = PPy = 7 for NLLL band, else 8.\n"
7608 "-> Supplied values are different from that.\n"
7609 "-> Non-IMF codestream will be generated\n");
7610 ret = OPJ_FALSE;
7611 }
7612 }
7613 }
7614
7615 return ret;
7616 }
7617
7618
opj_j2k_setup_encoder(void * p_j2k,opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)7619 OPJ_BOOL opj_j2k_setup_encoder(void *p_j2k,
7620 opj_cparameters_t *parameters,
7621 opj_image_t *image,
7622 opj_event_mgr_t * p_manager)
7623 {
7624 opj_j2k_t* j2k = (opj_j2k_t*)p_j2k;
7625 OPJ_UINT32 i, j, tileno, numpocs_tile;
7626 opj_cp_t *cp = 00;
7627 OPJ_UINT32 cblkw, cblkh;
7628
7629 if (!p_j2k || !parameters || ! image) {
7630 return OPJ_FALSE;
7631 }
7632
7633 if ((parameters->numresolution <= 0) ||
7634 (parameters->numresolution > OPJ_J2K_MAXRLVLS)) {
7635 opj_event_msg(p_manager, EVT_ERROR,
7636 "Invalid number of resolutions : %d not in range [1,%d]\n",
7637 parameters->numresolution, OPJ_J2K_MAXRLVLS);
7638 return OPJ_FALSE;
7639 }
7640
7641 if (parameters->cblockw_init < 4 || parameters->cblockw_init > 1024) {
7642 opj_event_msg(p_manager, EVT_ERROR,
7643 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
7644 parameters->cblockw_init);
7645 return OPJ_FALSE;
7646 }
7647 if (parameters->cblockh_init < 4 || parameters->cblockh_init > 1024) {
7648 opj_event_msg(p_manager, EVT_ERROR,
7649 "Invalid value for cblockh_init: %d not a power of 2 not in range [4,1024]\n",
7650 parameters->cblockh_init);
7651 return OPJ_FALSE;
7652 }
7653 if (parameters->cblockw_init * parameters->cblockh_init > 4096) {
7654 opj_event_msg(p_manager, EVT_ERROR,
7655 "Invalid value for cblockw_init * cblockh_init: should be <= 4096\n");
7656 return OPJ_FALSE;
7657 }
7658 cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
7659 cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
7660 if (parameters->cblockw_init != (1 << cblkw)) {
7661 opj_event_msg(p_manager, EVT_ERROR,
7662 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
7663 parameters->cblockw_init);
7664 return OPJ_FALSE;
7665 }
7666 if (parameters->cblockh_init != (1 << cblkh)) {
7667 opj_event_msg(p_manager, EVT_ERROR,
7668 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
7669 parameters->cblockh_init);
7670 return OPJ_FALSE;
7671 }
7672
7673 j2k->m_specific_param.m_encoder.m_nb_comps = image->numcomps;
7674
7675 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
7676 cp = &(j2k->m_cp);
7677
7678 /* set default values for cp */
7679 cp->tw = 1;
7680 cp->th = 1;
7681
7682 /* FIXME ADE: to be removed once deprecated cp_cinema and cp_rsiz have been removed */
7683 if (parameters->rsiz ==
7684 OPJ_PROFILE_NONE) { /* consider deprecated fields only if RSIZ has not been set */
7685 OPJ_BOOL deprecated_used = OPJ_FALSE;
7686 switch (parameters->cp_cinema) {
7687 case OPJ_CINEMA2K_24:
7688 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
7689 parameters->max_cs_size = OPJ_CINEMA_24_CS;
7690 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
7691 deprecated_used = OPJ_TRUE;
7692 break;
7693 case OPJ_CINEMA2K_48:
7694 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
7695 parameters->max_cs_size = OPJ_CINEMA_48_CS;
7696 parameters->max_comp_size = OPJ_CINEMA_48_COMP;
7697 deprecated_used = OPJ_TRUE;
7698 break;
7699 case OPJ_CINEMA4K_24:
7700 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
7701 parameters->max_cs_size = OPJ_CINEMA_24_CS;
7702 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
7703 deprecated_used = OPJ_TRUE;
7704 break;
7705 case OPJ_OFF:
7706 default:
7707 break;
7708 }
7709 switch (parameters->cp_rsiz) {
7710 case OPJ_CINEMA2K:
7711 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
7712 deprecated_used = OPJ_TRUE;
7713 break;
7714 case OPJ_CINEMA4K:
7715 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
7716 deprecated_used = OPJ_TRUE;
7717 break;
7718 case OPJ_MCT:
7719 parameters->rsiz = OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT;
7720 deprecated_used = OPJ_TRUE;
7721 case OPJ_STD_RSIZ:
7722 default:
7723 break;
7724 }
7725 if (deprecated_used) {
7726 opj_event_msg(p_manager, EVT_WARNING,
7727 "Deprecated fields cp_cinema or cp_rsiz are used\n"
7728 "Please consider using only the rsiz field\n"
7729 "See openjpeg.h documentation for more details\n");
7730 }
7731 }
7732
7733 /* If no explicit layers are provided, use lossless settings */
7734 if (parameters->tcp_numlayers == 0) {
7735 parameters->tcp_numlayers = 1;
7736 parameters->cp_disto_alloc = 1;
7737 parameters->tcp_rates[0] = 0;
7738 }
7739
7740 if (parameters->cp_disto_alloc) {
7741 /* Emit warnings if tcp_rates are not decreasing */
7742 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
7743 OPJ_FLOAT32 rate_i_corr = parameters->tcp_rates[i];
7744 OPJ_FLOAT32 rate_i_m_1_corr = parameters->tcp_rates[i - 1];
7745 if (rate_i_corr <= 1.0) {
7746 rate_i_corr = 1.0;
7747 }
7748 if (rate_i_m_1_corr <= 1.0) {
7749 rate_i_m_1_corr = 1.0;
7750 }
7751 if (rate_i_corr >= rate_i_m_1_corr) {
7752 if (rate_i_corr != parameters->tcp_rates[i] &&
7753 rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
7754 opj_event_msg(p_manager, EVT_WARNING,
7755 "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
7756 "than tcp_rates[%d]=%f (corrected as %f)\n",
7757 i, parameters->tcp_rates[i], rate_i_corr,
7758 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
7759 } else if (rate_i_corr != parameters->tcp_rates[i]) {
7760 opj_event_msg(p_manager, EVT_WARNING,
7761 "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
7762 "than tcp_rates[%d]=%f\n",
7763 i, parameters->tcp_rates[i], rate_i_corr,
7764 i - 1, parameters->tcp_rates[i - 1]);
7765 } else if (rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
7766 opj_event_msg(p_manager, EVT_WARNING,
7767 "tcp_rates[%d]=%f should be strictly lesser "
7768 "than tcp_rates[%d]=%f (corrected as %f)\n",
7769 i, parameters->tcp_rates[i],
7770 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
7771 } else {
7772 opj_event_msg(p_manager, EVT_WARNING,
7773 "tcp_rates[%d]=%f should be strictly lesser "
7774 "than tcp_rates[%d]=%f\n",
7775 i, parameters->tcp_rates[i],
7776 i - 1, parameters->tcp_rates[i - 1]);
7777 }
7778 }
7779 }
7780 } else if (parameters->cp_fixed_quality) {
7781 /* Emit warnings if tcp_distoratio are not increasing */
7782 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
7783 if (parameters->tcp_distoratio[i] < parameters->tcp_distoratio[i - 1] &&
7784 !(i == (OPJ_UINT32)parameters->tcp_numlayers - 1 &&
7785 parameters->tcp_distoratio[i] == 0)) {
7786 opj_event_msg(p_manager, EVT_WARNING,
7787 "tcp_distoratio[%d]=%f should be strictly greater "
7788 "than tcp_distoratio[%d]=%f\n",
7789 i, parameters->tcp_distoratio[i], i - 1,
7790 parameters->tcp_distoratio[i - 1]);
7791 }
7792 }
7793 }
7794
7795 /* see if max_codestream_size does limit input rate */
7796 if (parameters->max_cs_size <= 0) {
7797 if (parameters->tcp_rates[parameters->tcp_numlayers - 1] > 0) {
7798 OPJ_FLOAT32 temp_size;
7799 temp_size = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
7800 image->comps[0].h * image->comps[0].prec) /
7801 ((double)parameters->tcp_rates[parameters->tcp_numlayers - 1] * 8 *
7802 image->comps[0].dx * image->comps[0].dy));
7803 if (temp_size > INT_MAX) {
7804 parameters->max_cs_size = INT_MAX;
7805 } else {
7806 parameters->max_cs_size = (int) floor(temp_size);
7807 }
7808 } else {
7809 parameters->max_cs_size = 0;
7810 }
7811 } else {
7812 OPJ_FLOAT32 temp_rate;
7813 OPJ_BOOL cap = OPJ_FALSE;
7814
7815 if (OPJ_IS_IMF(parameters->rsiz) && parameters->max_cs_size > 0 &&
7816 parameters->tcp_numlayers == 1 && parameters->tcp_rates[0] == 0) {
7817 parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
7818 image->comps[0].h * image->comps[0].prec) /
7819 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
7820 image->comps[0].dy);
7821 }
7822
7823 temp_rate = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
7824 image->comps[0].h * image->comps[0].prec) /
7825 (((double)parameters->max_cs_size) * 8 * image->comps[0].dx *
7826 image->comps[0].dy));
7827 for (i = 0; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
7828 if (parameters->tcp_rates[i] < temp_rate) {
7829 parameters->tcp_rates[i] = temp_rate;
7830 cap = OPJ_TRUE;
7831 }
7832 }
7833 if (cap) {
7834 opj_event_msg(p_manager, EVT_WARNING,
7835 "The desired maximum codestream size has limited\n"
7836 "at least one of the desired quality layers\n");
7837 }
7838 }
7839
7840 if (OPJ_IS_CINEMA(parameters->rsiz) || OPJ_IS_IMF(parameters->rsiz)) {
7841 j2k->m_specific_param.m_encoder.m_TLM = OPJ_TRUE;
7842 }
7843
7844 /* Manage profiles and applications and set RSIZ */
7845 /* set cinema parameters if required */
7846 if (OPJ_IS_CINEMA(parameters->rsiz)) {
7847 if ((parameters->rsiz == OPJ_PROFILE_CINEMA_S2K)
7848 || (parameters->rsiz == OPJ_PROFILE_CINEMA_S4K)) {
7849 opj_event_msg(p_manager, EVT_WARNING,
7850 "JPEG 2000 Scalable Digital Cinema profiles not yet supported\n");
7851 parameters->rsiz = OPJ_PROFILE_NONE;
7852 } else {
7853 opj_j2k_set_cinema_parameters(parameters, image, p_manager);
7854 if (!opj_j2k_is_cinema_compliant(image, parameters->rsiz, p_manager)) {
7855 parameters->rsiz = OPJ_PROFILE_NONE;
7856 }
7857 }
7858 } else if (OPJ_IS_STORAGE(parameters->rsiz)) {
7859 opj_event_msg(p_manager, EVT_WARNING,
7860 "JPEG 2000 Long Term Storage profile not yet supported\n");
7861 parameters->rsiz = OPJ_PROFILE_NONE;
7862 } else if (OPJ_IS_BROADCAST(parameters->rsiz)) {
7863 opj_event_msg(p_manager, EVT_WARNING,
7864 "JPEG 2000 Broadcast profiles not yet supported\n");
7865 parameters->rsiz = OPJ_PROFILE_NONE;
7866 } else if (OPJ_IS_IMF(parameters->rsiz)) {
7867 opj_j2k_set_imf_parameters(parameters, image, p_manager);
7868 if (!opj_j2k_is_imf_compliant(parameters, image, p_manager)) {
7869 parameters->rsiz = OPJ_PROFILE_NONE;
7870 }
7871 } else if (OPJ_IS_PART2(parameters->rsiz)) {
7872 if (parameters->rsiz == ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_NONE))) {
7873 opj_event_msg(p_manager, EVT_WARNING,
7874 "JPEG 2000 Part-2 profile defined\n"
7875 "but no Part-2 extension enabled.\n"
7876 "Profile set to NONE.\n");
7877 parameters->rsiz = OPJ_PROFILE_NONE;
7878 } else if (parameters->rsiz != ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT))) {
7879 opj_event_msg(p_manager, EVT_WARNING,
7880 "Unsupported Part-2 extension enabled\n"
7881 "Profile set to NONE.\n");
7882 parameters->rsiz = OPJ_PROFILE_NONE;
7883 }
7884 }
7885
7886 /*
7887 copy user encoding parameters
7888 */
7889 cp->m_specific_param.m_enc.m_max_comp_size = (OPJ_UINT32)
7890 parameters->max_comp_size;
7891 cp->rsiz = parameters->rsiz;
7892 cp->m_specific_param.m_enc.m_disto_alloc = (OPJ_UINT32)
7893 parameters->cp_disto_alloc & 1u;
7894 cp->m_specific_param.m_enc.m_fixed_alloc = (OPJ_UINT32)
7895 parameters->cp_fixed_alloc & 1u;
7896 cp->m_specific_param.m_enc.m_fixed_quality = (OPJ_UINT32)
7897 parameters->cp_fixed_quality & 1u;
7898
7899 /* mod fixed_quality */
7900 if (parameters->cp_fixed_alloc && parameters->cp_matrice) {
7901 size_t array_size = (size_t)parameters->tcp_numlayers *
7902 (size_t)parameters->numresolution * 3 * sizeof(OPJ_INT32);
7903 cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size);
7904 if (!cp->m_specific_param.m_enc.m_matrice) {
7905 opj_event_msg(p_manager, EVT_ERROR,
7906 "Not enough memory to allocate copy of user encoding parameters matrix \n");
7907 return OPJ_FALSE;
7908 }
7909 memcpy(cp->m_specific_param.m_enc.m_matrice, parameters->cp_matrice,
7910 array_size);
7911 }
7912
7913 /* tiles */
7914 cp->tdx = (OPJ_UINT32)parameters->cp_tdx;
7915 cp->tdy = (OPJ_UINT32)parameters->cp_tdy;
7916
7917 /* tile offset */
7918 cp->tx0 = (OPJ_UINT32)parameters->cp_tx0;
7919 cp->ty0 = (OPJ_UINT32)parameters->cp_ty0;
7920
7921 /* comment string */
7922 if (parameters->cp_comment) {
7923 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1U);
7924 if (!cp->comment) {
7925 opj_event_msg(p_manager, EVT_ERROR,
7926 "Not enough memory to allocate copy of comment string\n");
7927 return OPJ_FALSE;
7928 }
7929 strcpy(cp->comment, parameters->cp_comment);
7930 } else {
7931 /* Create default comment for codestream */
7932 const char comment[] = "Created by OpenJPEG version ";
7933 const size_t clen = strlen(comment);
7934 const char *version = opj_version();
7935
7936 /* UniPG>> */
7937 #ifdef USE_JPWL
7938 const size_t cp_comment_buf_size = clen + strlen(version) + 11;
7939 cp->comment = (char*)opj_malloc(cp_comment_buf_size);
7940 if (!cp->comment) {
7941 opj_event_msg(p_manager, EVT_ERROR,
7942 "Not enough memory to allocate comment string\n");
7943 return OPJ_FALSE;
7944 }
7945 snprintf(cp->comment, cp_comment_buf_size, "%s%s with JPWL",
7946 comment, version);
7947 #else
7948 const size_t cp_comment_buf_size = clen + strlen(version) + 1;
7949 cp->comment = (char*)opj_malloc(cp_comment_buf_size);
7950 if (!cp->comment) {
7951 opj_event_msg(p_manager, EVT_ERROR,
7952 "Not enough memory to allocate comment string\n");
7953 return OPJ_FALSE;
7954 }
7955 snprintf(cp->comment, cp_comment_buf_size, "%s%s", comment, version);
7956 #endif
7957 /* <<UniPG */
7958 }
7959
7960 /*
7961 calculate other encoding parameters
7962 */
7963
7964 if (parameters->tile_size_on) {
7965 if (cp->tdx == 0) {
7966 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile width\n");
7967 return OPJ_FALSE;
7968 }
7969 if (cp->tdy == 0) {
7970 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile height\n");
7971 return OPJ_FALSE;
7972 }
7973 cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->x1 - cp->tx0),
7974 (OPJ_INT32)cp->tdx);
7975 cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->y1 - cp->ty0),
7976 (OPJ_INT32)cp->tdy);
7977 /* Check that the number of tiles is valid */
7978 if (cp->tw > 65535 / cp->th) {
7979 opj_event_msg(p_manager, EVT_ERROR,
7980 "Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
7981 cp->tw, cp->th);
7982 return OPJ_FALSE;
7983 }
7984 } else {
7985 cp->tdx = image->x1 - cp->tx0;
7986 cp->tdy = image->y1 - cp->ty0;
7987 }
7988
7989 if (parameters->tp_on) {
7990 cp->m_specific_param.m_enc.m_tp_flag = (OPJ_BYTE)parameters->tp_flag;
7991 cp->m_specific_param.m_enc.m_tp_on = 1;
7992 }
7993
7994 #ifdef USE_JPWL
7995 /*
7996 calculate JPWL encoding parameters
7997 */
7998
7999 if (parameters->jpwl_epc_on) {
8000 OPJ_INT32 i;
8001
8002 /* set JPWL on */
8003 cp->epc_on = OPJ_TRUE;
8004 cp->info_on = OPJ_FALSE; /* no informative technique */
8005
8006 /* set EPB on */
8007 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
8008 cp->epb_on = OPJ_TRUE;
8009
8010 cp->hprot_MH = parameters->jpwl_hprot_MH;
8011 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
8012 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
8013 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
8014 }
8015 /* if tile specs are not specified, copy MH specs */
8016 if (cp->hprot_TPH[0] == -1) {
8017 cp->hprot_TPH_tileno[0] = 0;
8018 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
8019 }
8020 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
8021 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
8022 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
8023 cp->pprot[i] = parameters->jpwl_pprot[i];
8024 }
8025 }
8026
8027 /* set ESD writing */
8028 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
8029 cp->esd_on = OPJ_TRUE;
8030
8031 cp->sens_size = parameters->jpwl_sens_size;
8032 cp->sens_addr = parameters->jpwl_sens_addr;
8033 cp->sens_range = parameters->jpwl_sens_range;
8034
8035 cp->sens_MH = parameters->jpwl_sens_MH;
8036 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
8037 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
8038 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
8039 }
8040 }
8041
8042 /* always set RED writing to false: we are at the encoder */
8043 cp->red_on = OPJ_FALSE;
8044
8045 } else {
8046 cp->epc_on = OPJ_FALSE;
8047 }
8048 #endif /* USE_JPWL */
8049
8050 /* initialize the multiple tiles */
8051 /* ---------------------------- */
8052 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
8053 if (!cp->tcps) {
8054 opj_event_msg(p_manager, EVT_ERROR,
8055 "Not enough memory to allocate tile coding parameters\n");
8056 return OPJ_FALSE;
8057 }
8058
8059 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
8060 opj_tcp_t *tcp = &cp->tcps[tileno];
8061 tcp->numlayers = (OPJ_UINT32)parameters->tcp_numlayers;
8062
8063 for (j = 0; j < tcp->numlayers; j++) {
8064 if (OPJ_IS_CINEMA(cp->rsiz) || OPJ_IS_IMF(cp->rsiz)) {
8065 if (cp->m_specific_param.m_enc.m_fixed_quality) {
8066 tcp->distoratio[j] = parameters->tcp_distoratio[j];
8067 }
8068 tcp->rates[j] = parameters->tcp_rates[j];
8069 } else {
8070 if (cp->m_specific_param.m_enc.m_fixed_quality) { /* add fixed_quality */
8071 tcp->distoratio[j] = parameters->tcp_distoratio[j];
8072 } else {
8073 tcp->rates[j] = parameters->tcp_rates[j];
8074 }
8075 }
8076 if (!cp->m_specific_param.m_enc.m_fixed_quality &&
8077 tcp->rates[j] <= 1.0) {
8078 tcp->rates[j] = 0.0; /* force lossless */
8079 }
8080 }
8081
8082 tcp->csty = (OPJ_UINT32)parameters->csty;
8083 tcp->prg = parameters->prog_order;
8084 tcp->mct = (OPJ_UINT32)parameters->tcp_mct;
8085
8086 numpocs_tile = 0;
8087 tcp->POC = 0;
8088
8089 if (parameters->numpocs) {
8090 /* initialisation of POC */
8091 for (i = 0; i < parameters->numpocs; i++) {
8092 if (tileno + 1 == parameters->POC[i].tile) {
8093 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
8094
8095 if (parameters->POC[numpocs_tile].compno0 >= image->numcomps) {
8096 opj_event_msg(p_manager, EVT_ERROR,
8097 "Invalid compno0 for POC %d\n", i);
8098 return OPJ_FALSE;
8099 }
8100
8101 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
8102 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
8103 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
8104 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
8105 tcp_poc->compno1 = opj_uint_min(parameters->POC[numpocs_tile].compno1,
8106 image->numcomps);
8107 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
8108 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
8109
8110 numpocs_tile++;
8111 }
8112 }
8113
8114 if (numpocs_tile) {
8115
8116 /* TODO MSD use the return value*/
8117 opj_j2k_check_poc_val(parameters->POC, tileno, parameters->numpocs,
8118 (OPJ_UINT32)parameters->numresolution, image->numcomps,
8119 (OPJ_UINT32)parameters->tcp_numlayers, p_manager);
8120
8121 tcp->POC = 1;
8122 tcp->numpocs = numpocs_tile - 1 ;
8123 }
8124 } else {
8125 tcp->numpocs = 0;
8126 }
8127
8128 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
8129 if (!tcp->tccps) {
8130 opj_event_msg(p_manager, EVT_ERROR,
8131 "Not enough memory to allocate tile component coding parameters\n");
8132 return OPJ_FALSE;
8133 }
8134 if (parameters->mct_data) {
8135
8136 OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * (OPJ_UINT32)sizeof(
8137 OPJ_FLOAT32);
8138 OPJ_FLOAT32 * lTmpBuf = (OPJ_FLOAT32*)opj_malloc(lMctSize);
8139 OPJ_INT32 * l_dc_shift = (OPJ_INT32 *)((OPJ_BYTE *) parameters->mct_data +
8140 lMctSize);
8141
8142 if (!lTmpBuf) {
8143 opj_event_msg(p_manager, EVT_ERROR,
8144 "Not enough memory to allocate temp buffer\n");
8145 return OPJ_FALSE;
8146 }
8147
8148 tcp->mct = 2;
8149 tcp->m_mct_coding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
8150 if (! tcp->m_mct_coding_matrix) {
8151 opj_free(lTmpBuf);
8152 lTmpBuf = NULL;
8153 opj_event_msg(p_manager, EVT_ERROR,
8154 "Not enough memory to allocate encoder MCT coding matrix \n");
8155 return OPJ_FALSE;
8156 }
8157 memcpy(tcp->m_mct_coding_matrix, parameters->mct_data, lMctSize);
8158 memcpy(lTmpBuf, parameters->mct_data, lMctSize);
8159
8160 tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
8161 if (! tcp->m_mct_decoding_matrix) {
8162 opj_free(lTmpBuf);
8163 lTmpBuf = NULL;
8164 opj_event_msg(p_manager, EVT_ERROR,
8165 "Not enough memory to allocate encoder MCT decoding matrix \n");
8166 return OPJ_FALSE;
8167 }
8168 if (opj_matrix_inversion_f(lTmpBuf, (tcp->m_mct_decoding_matrix),
8169 image->numcomps) == OPJ_FALSE) {
8170 opj_free(lTmpBuf);
8171 lTmpBuf = NULL;
8172 opj_event_msg(p_manager, EVT_ERROR,
8173 "Failed to inverse encoder MCT decoding matrix \n");
8174 return OPJ_FALSE;
8175 }
8176
8177 tcp->mct_norms = (OPJ_FLOAT64*)
8178 opj_malloc(image->numcomps * sizeof(OPJ_FLOAT64));
8179 if (! tcp->mct_norms) {
8180 opj_free(lTmpBuf);
8181 lTmpBuf = NULL;
8182 opj_event_msg(p_manager, EVT_ERROR,
8183 "Not enough memory to allocate encoder MCT norms \n");
8184 return OPJ_FALSE;
8185 }
8186 opj_calculate_norms(tcp->mct_norms, image->numcomps,
8187 tcp->m_mct_decoding_matrix);
8188 opj_free(lTmpBuf);
8189
8190 for (i = 0; i < image->numcomps; i++) {
8191 opj_tccp_t *tccp = &tcp->tccps[i];
8192 tccp->m_dc_level_shift = l_dc_shift[i];
8193 }
8194
8195 if (opj_j2k_setup_mct_encoding(tcp, image) == OPJ_FALSE) {
8196 /* free will be handled by opj_j2k_destroy */
8197 opj_event_msg(p_manager, EVT_ERROR, "Failed to setup j2k mct encoding\n");
8198 return OPJ_FALSE;
8199 }
8200 } else {
8201 if (tcp->mct == 1 && image->numcomps >= 3) { /* RGB->YCC MCT is enabled */
8202 if ((image->comps[0].dx != image->comps[1].dx) ||
8203 (image->comps[0].dx != image->comps[2].dx) ||
8204 (image->comps[0].dy != image->comps[1].dy) ||
8205 (image->comps[0].dy != image->comps[2].dy)) {
8206 opj_event_msg(p_manager, EVT_WARNING,
8207 "Cannot perform MCT on components with different sizes. Disabling MCT.\n");
8208 tcp->mct = 0;
8209 }
8210 }
8211 for (i = 0; i < image->numcomps; i++) {
8212 opj_tccp_t *tccp = &tcp->tccps[i];
8213 opj_image_comp_t * l_comp = &(image->comps[i]);
8214
8215 if (! l_comp->sgnd) {
8216 tccp->m_dc_level_shift = 1 << (l_comp->prec - 1);
8217 }
8218 }
8219 }
8220
8221 for (i = 0; i < image->numcomps; i++) {
8222 opj_tccp_t *tccp = &tcp->tccps[i];
8223
8224 tccp->csty = parameters->csty &
8225 0x01; /* 0 => one precinct || 1 => custom precinct */
8226 tccp->numresolutions = (OPJ_UINT32)parameters->numresolution;
8227 tccp->cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
8228 tccp->cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
8229 tccp->cblksty = (OPJ_UINT32)parameters->mode;
8230 tccp->qmfbid = parameters->irreversible ? 0 : 1;
8231 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT :
8232 J2K_CCP_QNTSTY_NOQNT;
8233 tccp->numgbits = 2;
8234
8235 if ((OPJ_INT32)i == parameters->roi_compno) {
8236 tccp->roishift = parameters->roi_shift;
8237 } else {
8238 tccp->roishift = 0;
8239 }
8240
8241 if (parameters->csty & J2K_CCP_CSTY_PRT) {
8242 OPJ_INT32 p = 0, it_res;
8243 assert(tccp->numresolutions > 0);
8244 for (it_res = (OPJ_INT32)tccp->numresolutions - 1; it_res >= 0; it_res--) {
8245 if (p < parameters->res_spec) {
8246
8247 if (parameters->prcw_init[p] < 1) {
8248 tccp->prcw[it_res] = 1;
8249 } else {
8250 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prcw_init[p]);
8251 }
8252
8253 if (parameters->prch_init[p] < 1) {
8254 tccp->prch[it_res] = 1;
8255 } else {
8256 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prch_init[p]);
8257 }
8258
8259 } else {
8260 OPJ_INT32 res_spec = parameters->res_spec;
8261 OPJ_INT32 size_prcw = 0;
8262 OPJ_INT32 size_prch = 0;
8263
8264 assert(res_spec > 0); /* issue 189 */
8265 size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
8266 size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
8267
8268
8269 if (size_prcw < 1) {
8270 tccp->prcw[it_res] = 1;
8271 } else {
8272 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prcw);
8273 }
8274
8275 if (size_prch < 1) {
8276 tccp->prch[it_res] = 1;
8277 } else {
8278 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prch);
8279 }
8280 }
8281 p++;
8282 /*printf("\nsize precinct for level %d : %d,%d\n", it_res,tccp->prcw[it_res], tccp->prch[it_res]); */
8283 } /*end for*/
8284 } else {
8285 for (j = 0; j < tccp->numresolutions; j++) {
8286 tccp->prcw[j] = 15;
8287 tccp->prch[j] = 15;
8288 }
8289 }
8290
8291 opj_dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
8292 }
8293 }
8294
8295 if (parameters->mct_data) {
8296 opj_free(parameters->mct_data);
8297 parameters->mct_data = 00;
8298 }
8299 return OPJ_TRUE;
8300 }
8301
opj_j2k_add_mhmarker(opj_codestream_index_t * cstr_index,OPJ_UINT32 type,OPJ_OFF_T pos,OPJ_UINT32 len)8302 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
8303 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
8304 {
8305 assert(cstr_index != 00);
8306
8307 /* expand the list? */
8308 if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) {
8309 opj_marker_info_t *new_marker;
8310 cstr_index->maxmarknum = (OPJ_UINT32)(100 + (OPJ_FLOAT32)
8311 cstr_index->maxmarknum);
8312 new_marker = (opj_marker_info_t *) opj_realloc(cstr_index->marker,
8313 cstr_index->maxmarknum * sizeof(opj_marker_info_t));
8314 if (! new_marker) {
8315 opj_free(cstr_index->marker);
8316 cstr_index->marker = NULL;
8317 cstr_index->maxmarknum = 0;
8318 cstr_index->marknum = 0;
8319 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); */
8320 return OPJ_FALSE;
8321 }
8322 cstr_index->marker = new_marker;
8323 }
8324
8325 /* add the marker */
8326 cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type;
8327 cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos;
8328 cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len;
8329 cstr_index->marknum++;
8330 return OPJ_TRUE;
8331 }
8332
opj_j2k_add_tlmarker(OPJ_UINT32 tileno,opj_codestream_index_t * cstr_index,OPJ_UINT32 type,OPJ_OFF_T pos,OPJ_UINT32 len)8333 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
8334 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
8335 OPJ_UINT32 len)
8336 {
8337 assert(cstr_index != 00);
8338 assert(cstr_index->tile_index != 00);
8339
8340 /* expand the list? */
8341 if ((cstr_index->tile_index[tileno].marknum + 1) >
8342 cstr_index->tile_index[tileno].maxmarknum) {
8343 opj_marker_info_t *new_marker;
8344 cstr_index->tile_index[tileno].maxmarknum = (OPJ_UINT32)(100 +
8345 (OPJ_FLOAT32) cstr_index->tile_index[tileno].maxmarknum);
8346 new_marker = (opj_marker_info_t *) opj_realloc(
8347 cstr_index->tile_index[tileno].marker,
8348 cstr_index->tile_index[tileno].maxmarknum * sizeof(opj_marker_info_t));
8349 if (! new_marker) {
8350 opj_free(cstr_index->tile_index[tileno].marker);
8351 cstr_index->tile_index[tileno].marker = NULL;
8352 cstr_index->tile_index[tileno].maxmarknum = 0;
8353 cstr_index->tile_index[tileno].marknum = 0;
8354 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n"); */
8355 return OPJ_FALSE;
8356 }
8357 cstr_index->tile_index[tileno].marker = new_marker;
8358 }
8359
8360 /* add the marker */
8361 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type
8362 = (OPJ_UINT16)type;
8363 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos
8364 = (OPJ_INT32)pos;
8365 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len
8366 = (OPJ_INT32)len;
8367 cstr_index->tile_index[tileno].marknum++;
8368
8369 if (type == J2K_MS_SOT) {
8370 OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
8371
8372 if (cstr_index->tile_index[tileno].tp_index) {
8373 cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
8374 }
8375
8376 }
8377 return OPJ_TRUE;
8378 }
8379
8380 /*
8381 * -----------------------------------------------------------------------
8382 * -----------------------------------------------------------------------
8383 * -----------------------------------------------------------------------
8384 */
8385
opj_j2k_end_decompress(void * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8386 OPJ_BOOL opj_j2k_end_decompress(void *p_j2k,
8387 opj_stream_private_t *p_stream,
8388 opj_event_mgr_t * p_manager
8389 )
8390 {
8391 (void)p_j2k;
8392 (void)p_stream;
8393 (void)p_manager;
8394 return OPJ_TRUE;
8395 }
8396
opj_j2k_read_header(opj_stream_private_t * p_stream,void * j2k,opj_image_t ** p_image,opj_event_mgr_t * p_manager)8397 OPJ_BOOL opj_j2k_read_header(opj_stream_private_t *p_stream,
8398 void* j2k,
8399 opj_image_t** p_image,
8400 opj_event_mgr_t* p_manager)
8401 {
8402 opj_j2k_t *p_j2k = (opj_j2k_t*)j2k;
8403 /* preconditions */
8404 assert(p_j2k != 00);
8405 assert(p_stream != 00);
8406 assert(p_manager != 00);
8407
8408 /* create an empty image header */
8409 p_j2k->m_private_image = opj_image_create0();
8410 if (! p_j2k->m_private_image) {
8411 return OPJ_FALSE;
8412 }
8413
8414 /* customization of the validation */
8415 if (! opj_j2k_setup_decoding_validation(p_j2k, p_manager)) {
8416 opj_image_destroy(p_j2k->m_private_image);
8417 p_j2k->m_private_image = NULL;
8418 return OPJ_FALSE;
8419 }
8420
8421 /* validation of the parameters codec */
8422 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
8423 opj_image_destroy(p_j2k->m_private_image);
8424 p_j2k->m_private_image = NULL;
8425 return OPJ_FALSE;
8426 }
8427
8428 /* customization of the encoding */
8429 if (! opj_j2k_setup_header_reading(p_j2k, p_manager)) {
8430 opj_image_destroy(p_j2k->m_private_image);
8431 p_j2k->m_private_image = NULL;
8432 return OPJ_FALSE;
8433 }
8434
8435 /* read header */
8436 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
8437 opj_image_destroy(p_j2k->m_private_image);
8438 p_j2k->m_private_image = NULL;
8439 return OPJ_FALSE;
8440 }
8441
8442 *p_image = opj_image_create0();
8443 if (!(*p_image)) {
8444 return OPJ_FALSE;
8445 }
8446
8447 /* Copy codestream image information to the output image */
8448 opj_copy_image_header(p_j2k->m_private_image, *p_image);
8449
8450 /*Allocate and initialize some elements of codestrem index*/
8451 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
8452 opj_image_destroy(*p_image);
8453 *p_image = NULL;
8454 return OPJ_FALSE;
8455 }
8456
8457 return OPJ_TRUE;
8458 }
8459
opj_j2k_setup_header_reading(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)8460 static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
8461 opj_event_mgr_t * p_manager)
8462 {
8463 /* preconditions*/
8464 assert(p_j2k != 00);
8465 assert(p_manager != 00);
8466
8467 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
8468 (opj_procedure)opj_j2k_read_header_procedure, p_manager)) {
8469 return OPJ_FALSE;
8470 }
8471
8472 /* DEVELOPER CORNER, add your custom procedures */
8473 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
8474 (opj_procedure)opj_j2k_copy_default_tcp_and_create_tcd, p_manager)) {
8475 return OPJ_FALSE;
8476 }
8477
8478 return OPJ_TRUE;
8479 }
8480
opj_j2k_setup_decoding_validation(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)8481 static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
8482 opj_event_mgr_t * p_manager)
8483 {
8484 /* preconditions*/
8485 assert(p_j2k != 00);
8486 assert(p_manager != 00);
8487
8488 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
8489 (opj_procedure)opj_j2k_build_decoder, p_manager)) {
8490 return OPJ_FALSE;
8491 }
8492 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
8493 (opj_procedure)opj_j2k_decoding_validation, p_manager)) {
8494 return OPJ_FALSE;
8495 }
8496
8497 /* DEVELOPER CORNER, add your custom validation procedure */
8498 return OPJ_TRUE;
8499 }
8500
opj_j2k_mct_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8501 static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
8502 opj_stream_private_t *p_stream,
8503 opj_event_mgr_t * p_manager)
8504 {
8505 OPJ_BOOL l_is_valid = OPJ_TRUE;
8506 OPJ_UINT32 i, j;
8507
8508 /* preconditions */
8509 assert(p_j2k != 00);
8510 assert(p_stream != 00);
8511 assert(p_manager != 00);
8512
8513 OPJ_UNUSED(p_stream);
8514 OPJ_UNUSED(p_manager);
8515
8516 if ((p_j2k->m_cp.rsiz & 0x8200) == 0x8200) {
8517 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
8518 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
8519
8520 for (i = 0; i < l_nb_tiles; ++i) {
8521 if (l_tcp->mct == 2) {
8522 opj_tccp_t * l_tccp = l_tcp->tccps;
8523 l_is_valid &= (l_tcp->m_mct_coding_matrix != 00);
8524
8525 for (j = 0; j < p_j2k->m_private_image->numcomps; ++j) {
8526 l_is_valid &= !(l_tccp->qmfbid & 1);
8527 ++l_tccp;
8528 }
8529 }
8530 ++l_tcp;
8531 }
8532 }
8533
8534 return l_is_valid;
8535 }
8536
opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp,opj_image_t * p_image)8537 OPJ_BOOL opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp, opj_image_t * p_image)
8538 {
8539 OPJ_UINT32 i;
8540 OPJ_UINT32 l_indix = 1;
8541 opj_mct_data_t * l_mct_deco_data = 00, * l_mct_offset_data = 00;
8542 opj_simple_mcc_decorrelation_data_t * l_mcc_data;
8543 OPJ_UINT32 l_mct_size, l_nb_elem;
8544 OPJ_FLOAT32 * l_data, * l_current_data;
8545 opj_tccp_t * l_tccp;
8546
8547 /* preconditions */
8548 assert(p_tcp != 00);
8549
8550 if (p_tcp->mct != 2) {
8551 return OPJ_TRUE;
8552 }
8553
8554 if (p_tcp->m_mct_decoding_matrix) {
8555 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
8556 opj_mct_data_t *new_mct_records;
8557 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
8558
8559 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
8560 p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
8561 if (! new_mct_records) {
8562 opj_free(p_tcp->m_mct_records);
8563 p_tcp->m_mct_records = NULL;
8564 p_tcp->m_nb_max_mct_records = 0;
8565 p_tcp->m_nb_mct_records = 0;
8566 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
8567 return OPJ_FALSE;
8568 }
8569 p_tcp->m_mct_records = new_mct_records;
8570 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8571
8572 memset(l_mct_deco_data, 0,
8573 (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
8574 opj_mct_data_t));
8575 }
8576 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8577
8578 if (l_mct_deco_data->m_data) {
8579 opj_free(l_mct_deco_data->m_data);
8580 l_mct_deco_data->m_data = 00;
8581 }
8582
8583 l_mct_deco_data->m_index = l_indix++;
8584 l_mct_deco_data->m_array_type = MCT_TYPE_DECORRELATION;
8585 l_mct_deco_data->m_element_type = MCT_TYPE_FLOAT;
8586 l_nb_elem = p_image->numcomps * p_image->numcomps;
8587 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_deco_data->m_element_type];
8588 l_mct_deco_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
8589
8590 if (! l_mct_deco_data->m_data) {
8591 return OPJ_FALSE;
8592 }
8593
8594 j2k_mct_write_functions_from_float[l_mct_deco_data->m_element_type](
8595 p_tcp->m_mct_decoding_matrix, l_mct_deco_data->m_data, l_nb_elem);
8596
8597 l_mct_deco_data->m_data_size = l_mct_size;
8598 ++p_tcp->m_nb_mct_records;
8599 }
8600
8601 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
8602 opj_mct_data_t *new_mct_records;
8603 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
8604 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
8605 p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
8606 if (! new_mct_records) {
8607 opj_free(p_tcp->m_mct_records);
8608 p_tcp->m_mct_records = NULL;
8609 p_tcp->m_nb_max_mct_records = 0;
8610 p_tcp->m_nb_mct_records = 0;
8611 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
8612 return OPJ_FALSE;
8613 }
8614 p_tcp->m_mct_records = new_mct_records;
8615 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8616
8617 memset(l_mct_offset_data, 0,
8618 (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
8619 opj_mct_data_t));
8620
8621 if (l_mct_deco_data) {
8622 l_mct_deco_data = l_mct_offset_data - 1;
8623 }
8624 }
8625
8626 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8627
8628 if (l_mct_offset_data->m_data) {
8629 opj_free(l_mct_offset_data->m_data);
8630 l_mct_offset_data->m_data = 00;
8631 }
8632
8633 l_mct_offset_data->m_index = l_indix++;
8634 l_mct_offset_data->m_array_type = MCT_TYPE_OFFSET;
8635 l_mct_offset_data->m_element_type = MCT_TYPE_FLOAT;
8636 l_nb_elem = p_image->numcomps;
8637 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_offset_data->m_element_type];
8638 l_mct_offset_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
8639
8640 if (! l_mct_offset_data->m_data) {
8641 return OPJ_FALSE;
8642 }
8643
8644 l_data = (OPJ_FLOAT32*)opj_malloc(l_nb_elem * sizeof(OPJ_FLOAT32));
8645 if (! l_data) {
8646 opj_free(l_mct_offset_data->m_data);
8647 l_mct_offset_data->m_data = 00;
8648 return OPJ_FALSE;
8649 }
8650
8651 l_tccp = p_tcp->tccps;
8652 l_current_data = l_data;
8653
8654 for (i = 0; i < l_nb_elem; ++i) {
8655 *(l_current_data++) = (OPJ_FLOAT32)(l_tccp->m_dc_level_shift);
8656 ++l_tccp;
8657 }
8658
8659 j2k_mct_write_functions_from_float[l_mct_offset_data->m_element_type](l_data,
8660 l_mct_offset_data->m_data, l_nb_elem);
8661
8662 opj_free(l_data);
8663
8664 l_mct_offset_data->m_data_size = l_mct_size;
8665
8666 ++p_tcp->m_nb_mct_records;
8667
8668 if (p_tcp->m_nb_mcc_records == p_tcp->m_nb_max_mcc_records) {
8669 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
8670 p_tcp->m_nb_max_mcc_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
8671 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
8672 p_tcp->m_mcc_records, p_tcp->m_nb_max_mcc_records * sizeof(
8673 opj_simple_mcc_decorrelation_data_t));
8674 if (! new_mcc_records) {
8675 opj_free(p_tcp->m_mcc_records);
8676 p_tcp->m_mcc_records = NULL;
8677 p_tcp->m_nb_max_mcc_records = 0;
8678 p_tcp->m_nb_mcc_records = 0;
8679 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
8680 return OPJ_FALSE;
8681 }
8682 p_tcp->m_mcc_records = new_mcc_records;
8683 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
8684 memset(l_mcc_data, 0, (p_tcp->m_nb_max_mcc_records - p_tcp->m_nb_mcc_records) *
8685 sizeof(opj_simple_mcc_decorrelation_data_t));
8686
8687 }
8688
8689 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
8690 l_mcc_data->m_decorrelation_array = l_mct_deco_data;
8691 l_mcc_data->m_is_irreversible = 1;
8692 l_mcc_data->m_nb_comps = p_image->numcomps;
8693 l_mcc_data->m_index = l_indix++;
8694 l_mcc_data->m_offset_array = l_mct_offset_data;
8695 ++p_tcp->m_nb_mcc_records;
8696
8697 return OPJ_TRUE;
8698 }
8699
opj_j2k_build_decoder(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8700 static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
8701 opj_stream_private_t *p_stream,
8702 opj_event_mgr_t * p_manager)
8703 {
8704 /* add here initialization of cp
8705 copy paste of setup_decoder */
8706 (void)p_j2k;
8707 (void)p_stream;
8708 (void)p_manager;
8709 return OPJ_TRUE;
8710 }
8711
opj_j2k_build_encoder(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8712 static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
8713 opj_stream_private_t *p_stream,
8714 opj_event_mgr_t * p_manager)
8715 {
8716 /* add here initialization of cp
8717 copy paste of setup_encoder */
8718 (void)p_j2k;
8719 (void)p_stream;
8720 (void)p_manager;
8721 return OPJ_TRUE;
8722 }
8723
opj_j2k_encoding_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8724 static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
8725 opj_stream_private_t *p_stream,
8726 opj_event_mgr_t * p_manager)
8727 {
8728 OPJ_BOOL l_is_valid = OPJ_TRUE;
8729
8730 /* preconditions */
8731 assert(p_j2k != 00);
8732 assert(p_stream != 00);
8733 assert(p_manager != 00);
8734
8735 OPJ_UNUSED(p_stream);
8736
8737 /* STATE checking */
8738 /* make sure the state is at 0 */
8739 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NONE);
8740
8741 /* POINTER validation */
8742 /* make sure a p_j2k codec is present */
8743 l_is_valid &= (p_j2k->m_procedure_list != 00);
8744 /* make sure a validation list is present */
8745 l_is_valid &= (p_j2k->m_validation_list != 00);
8746
8747 /* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */
8748 /* 33 (32) would always fail the check below (if a cast to 64bits was done) */
8749 /* FIXME Shall we change OPJ_J2K_MAXRLVLS to 32 ? */
8750 if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) ||
8751 (p_j2k->m_cp.tcps->tccps->numresolutions > 32)) {
8752 opj_event_msg(p_manager, EVT_ERROR,
8753 "Number of resolutions is too high in comparison to the size of tiles\n");
8754 return OPJ_FALSE;
8755 }
8756
8757 if ((p_j2k->m_cp.tdx) < (OPJ_UINT32)(1 <<
8758 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
8759 opj_event_msg(p_manager, EVT_ERROR,
8760 "Number of resolutions is too high in comparison to the size of tiles\n");
8761 return OPJ_FALSE;
8762 }
8763
8764 if ((p_j2k->m_cp.tdy) < (OPJ_UINT32)(1 <<
8765 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
8766 opj_event_msg(p_manager, EVT_ERROR,
8767 "Number of resolutions is too high in comparison to the size of tiles\n");
8768 return OPJ_FALSE;
8769 }
8770
8771 /* PARAMETER VALIDATION */
8772 return l_is_valid;
8773 }
8774
opj_j2k_decoding_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8775 static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t *p_j2k,
8776 opj_stream_private_t *p_stream,
8777 opj_event_mgr_t * p_manager
8778 )
8779 {
8780 OPJ_BOOL l_is_valid = OPJ_TRUE;
8781
8782 /* preconditions*/
8783 assert(p_j2k != 00);
8784 assert(p_stream != 00);
8785 assert(p_manager != 00);
8786
8787 OPJ_UNUSED(p_stream);
8788 OPJ_UNUSED(p_manager);
8789
8790 /* STATE checking */
8791 /* make sure the state is at 0 */
8792 #ifdef TODO_MSD
8793 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
8794 #endif
8795 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000);
8796
8797 /* POINTER validation */
8798 /* make sure a p_j2k codec is present */
8799 /* make sure a procedure list is present */
8800 l_is_valid &= (p_j2k->m_procedure_list != 00);
8801 /* make sure a validation list is present */
8802 l_is_valid &= (p_j2k->m_validation_list != 00);
8803
8804 /* PARAMETER VALIDATION */
8805 return l_is_valid;
8806 }
8807
opj_j2k_read_header_procedure(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8808 static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
8809 opj_stream_private_t *p_stream,
8810 opj_event_mgr_t * p_manager)
8811 {
8812 OPJ_UINT32 l_current_marker;
8813 OPJ_UINT32 l_marker_size;
8814 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
8815 OPJ_BOOL l_has_siz = 0;
8816 OPJ_BOOL l_has_cod = 0;
8817 OPJ_BOOL l_has_qcd = 0;
8818
8819 /* preconditions */
8820 assert(p_stream != 00);
8821 assert(p_j2k != 00);
8822 assert(p_manager != 00);
8823
8824 /* We enter in the main header */
8825 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
8826
8827 /* Try to read the SOC marker, the codestream must begin with SOC marker */
8828 if (! opj_j2k_read_soc(p_j2k, p_stream, p_manager)) {
8829 opj_event_msg(p_manager, EVT_ERROR, "Expected a SOC marker \n");
8830 return OPJ_FALSE;
8831 }
8832
8833 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8834 if (opj_stream_read_data(p_stream,
8835 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8836 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8837 return OPJ_FALSE;
8838 }
8839
8840 /* Read 2 bytes as the new marker ID */
8841 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8842 &l_current_marker, 2);
8843
8844 /* Try to read until the SOT is detected */
8845 while (l_current_marker != J2K_MS_SOT) {
8846
8847 /* Check if the current marker ID is valid */
8848 if (l_current_marker < 0xff00) {
8849 opj_event_msg(p_manager, EVT_ERROR,
8850 "A marker ID was expected (0xff--) instead of %.8x\n", l_current_marker);
8851 return OPJ_FALSE;
8852 }
8853
8854 /* Get the marker handler from the marker ID */
8855 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
8856
8857 /* Manage case where marker is unknown */
8858 if (l_marker_handler->id == J2K_MS_UNK) {
8859 if (! opj_j2k_read_unk(p_j2k, p_stream, &l_current_marker, p_manager)) {
8860 opj_event_msg(p_manager, EVT_ERROR,
8861 "Unknown marker has been detected and generated error.\n");
8862 return OPJ_FALSE;
8863 }
8864
8865 if (l_current_marker == J2K_MS_SOT) {
8866 break; /* SOT marker is detected main header is completely read */
8867 } else { /* Get the marker handler from the marker ID */
8868 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
8869 }
8870 }
8871
8872 if (l_marker_handler->id == J2K_MS_SIZ) {
8873 /* Mark required SIZ marker as found */
8874 l_has_siz = 1;
8875 }
8876 if (l_marker_handler->id == J2K_MS_COD) {
8877 /* Mark required COD marker as found */
8878 l_has_cod = 1;
8879 }
8880 if (l_marker_handler->id == J2K_MS_QCD) {
8881 /* Mark required QCD marker as found */
8882 l_has_qcd = 1;
8883 }
8884
8885 /* Check if the marker is known and if it is the right place to find it */
8886 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
8887 opj_event_msg(p_manager, EVT_ERROR,
8888 "Marker is not compliant with its position\n");
8889 return OPJ_FALSE;
8890 }
8891
8892 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
8893 if (opj_stream_read_data(p_stream,
8894 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8895 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8896 return OPJ_FALSE;
8897 }
8898
8899 /* read 2 bytes as the marker size */
8900 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
8901 2);
8902 if (l_marker_size < 2) {
8903 opj_event_msg(p_manager, EVT_ERROR, "Invalid marker size\n");
8904 return OPJ_FALSE;
8905 }
8906 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
8907
8908 /* Check if the marker size is compatible with the header data size */
8909 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
8910 OPJ_BYTE *new_header_data = (OPJ_BYTE *) opj_realloc(
8911 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
8912 if (! new_header_data) {
8913 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
8914 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
8915 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
8916 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
8917 return OPJ_FALSE;
8918 }
8919 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
8920 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
8921 }
8922
8923 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
8924 if (opj_stream_read_data(p_stream,
8925 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
8926 p_manager) != l_marker_size) {
8927 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8928 return OPJ_FALSE;
8929 }
8930
8931 /* Read the marker segment with the correct marker handler */
8932 if (!(*(l_marker_handler->handler))(p_j2k,
8933 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
8934 opj_event_msg(p_manager, EVT_ERROR,
8935 "Marker handler function failed to read the marker segment\n");
8936 return OPJ_FALSE;
8937 }
8938
8939 /* Add the marker to the codestream index*/
8940 if (OPJ_FALSE == opj_j2k_add_mhmarker(
8941 p_j2k->cstr_index,
8942 l_marker_handler->id,
8943 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
8944 l_marker_size + 4)) {
8945 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
8946 return OPJ_FALSE;
8947 }
8948
8949 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8950 if (opj_stream_read_data(p_stream,
8951 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8952 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8953 return OPJ_FALSE;
8954 }
8955
8956 /* read 2 bytes as the new marker ID */
8957 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8958 &l_current_marker, 2);
8959 }
8960
8961 if (l_has_siz == 0) {
8962 opj_event_msg(p_manager, EVT_ERROR,
8963 "required SIZ marker not found in main header\n");
8964 return OPJ_FALSE;
8965 }
8966 if (l_has_cod == 0) {
8967 opj_event_msg(p_manager, EVT_ERROR,
8968 "required COD marker not found in main header\n");
8969 return OPJ_FALSE;
8970 }
8971 if (l_has_qcd == 0) {
8972 opj_event_msg(p_manager, EVT_ERROR,
8973 "required QCD marker not found in main header\n");
8974 return OPJ_FALSE;
8975 }
8976
8977 if (! opj_j2k_merge_ppm(&(p_j2k->m_cp), p_manager)) {
8978 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPM data\n");
8979 return OPJ_FALSE;
8980 }
8981
8982 opj_event_msg(p_manager, EVT_INFO, "Main header has been correctly decoded.\n");
8983
8984 /* Position of the last element if the main header */
8985 p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2;
8986
8987 /* Next step: read a tile-part header */
8988 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
8989
8990 return OPJ_TRUE;
8991 }
8992
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)8993 static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
8994 opj_procedure_list_t * p_procedure_list,
8995 opj_stream_private_t *p_stream,
8996 opj_event_mgr_t * p_manager)
8997 {
8998 OPJ_BOOL(** l_procedure)(opj_j2k_t *, opj_stream_private_t *,
8999 opj_event_mgr_t *) = 00;
9000 OPJ_BOOL l_result = OPJ_TRUE;
9001 OPJ_UINT32 l_nb_proc, i;
9002
9003 /* preconditions*/
9004 assert(p_procedure_list != 00);
9005 assert(p_j2k != 00);
9006 assert(p_stream != 00);
9007 assert(p_manager != 00);
9008
9009 l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
9010 l_procedure = (OPJ_BOOL(**)(opj_j2k_t *, opj_stream_private_t *,
9011 opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
9012
9013 for (i = 0; i < l_nb_proc; ++i) {
9014 l_result = l_result && ((*l_procedure)(p_j2k, p_stream, p_manager));
9015 ++l_procedure;
9016 }
9017
9018 /* and clear the procedure list at the end.*/
9019 opj_procedure_list_clear(p_procedure_list);
9020 return l_result;
9021 }
9022
9023 /* 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)9024 static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
9025 opj_stream_private_t *p_stream,
9026 opj_event_mgr_t * p_manager
9027 )
9028 {
9029 opj_tcp_t * l_tcp = 00;
9030 opj_tcp_t * l_default_tcp = 00;
9031 OPJ_UINT32 l_nb_tiles;
9032 OPJ_UINT32 i, j;
9033 opj_tccp_t *l_current_tccp = 00;
9034 OPJ_UINT32 l_tccp_size;
9035 OPJ_UINT32 l_mct_size;
9036 opj_image_t * l_image;
9037 OPJ_UINT32 l_mcc_records_size, l_mct_records_size;
9038 opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
9039 opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
9040 OPJ_UINT32 l_offset;
9041
9042 /* preconditions */
9043 assert(p_j2k != 00);
9044 assert(p_stream != 00);
9045 assert(p_manager != 00);
9046
9047 OPJ_UNUSED(p_stream);
9048
9049 l_image = p_j2k->m_private_image;
9050 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
9051 l_tcp = p_j2k->m_cp.tcps;
9052 l_tccp_size = l_image->numcomps * (OPJ_UINT32)sizeof(opj_tccp_t);
9053 l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
9054 l_mct_size = l_image->numcomps * l_image->numcomps * (OPJ_UINT32)sizeof(
9055 OPJ_FLOAT32);
9056
9057 /* For each tile */
9058 for (i = 0; i < l_nb_tiles; ++i) {
9059 /* keep the tile-compo coding parameters pointer of the current tile coding parameters*/
9060 l_current_tccp = l_tcp->tccps;
9061 /*Copy default coding parameters into the current tile coding parameters*/
9062 memcpy(l_tcp, l_default_tcp, sizeof(opj_tcp_t));
9063 /* Initialize some values of the current tile coding parameters*/
9064 l_tcp->cod = 0;
9065 l_tcp->ppt = 0;
9066 l_tcp->ppt_data = 00;
9067 l_tcp->m_current_tile_part_number = -1;
9068 /* Remove memory not owned by this tile in case of early error return. */
9069 l_tcp->m_mct_decoding_matrix = 00;
9070 l_tcp->m_nb_max_mct_records = 0;
9071 l_tcp->m_mct_records = 00;
9072 l_tcp->m_nb_max_mcc_records = 0;
9073 l_tcp->m_mcc_records = 00;
9074 /* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
9075 l_tcp->tccps = l_current_tccp;
9076
9077 /* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/
9078 if (l_default_tcp->m_mct_decoding_matrix) {
9079 l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
9080 if (! l_tcp->m_mct_decoding_matrix) {
9081 return OPJ_FALSE;
9082 }
9083 memcpy(l_tcp->m_mct_decoding_matrix, l_default_tcp->m_mct_decoding_matrix,
9084 l_mct_size);
9085 }
9086
9087 /* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/
9088 l_mct_records_size = l_default_tcp->m_nb_max_mct_records * (OPJ_UINT32)sizeof(
9089 opj_mct_data_t);
9090 l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(l_mct_records_size);
9091 if (! l_tcp->m_mct_records) {
9092 return OPJ_FALSE;
9093 }
9094 memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records, l_mct_records_size);
9095
9096 /* Copy the mct record data from dflt_tile_cp to the current tile*/
9097 l_src_mct_rec = l_default_tcp->m_mct_records;
9098 l_dest_mct_rec = l_tcp->m_mct_records;
9099
9100 for (j = 0; j < l_default_tcp->m_nb_mct_records; ++j) {
9101
9102 if (l_src_mct_rec->m_data) {
9103
9104 l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(l_src_mct_rec->m_data_size);
9105 if (! l_dest_mct_rec->m_data) {
9106 return OPJ_FALSE;
9107 }
9108 memcpy(l_dest_mct_rec->m_data, l_src_mct_rec->m_data,
9109 l_src_mct_rec->m_data_size);
9110 }
9111
9112 ++l_src_mct_rec;
9113 ++l_dest_mct_rec;
9114 /* Update with each pass to free exactly what has been allocated on early return. */
9115 l_tcp->m_nb_max_mct_records += 1;
9116 }
9117
9118 /* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
9119 l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * (OPJ_UINT32)sizeof(
9120 opj_simple_mcc_decorrelation_data_t);
9121 l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(
9122 l_mcc_records_size);
9123 if (! l_tcp->m_mcc_records) {
9124 return OPJ_FALSE;
9125 }
9126 memcpy(l_tcp->m_mcc_records, l_default_tcp->m_mcc_records, l_mcc_records_size);
9127 l_tcp->m_nb_max_mcc_records = l_default_tcp->m_nb_max_mcc_records;
9128
9129 /* Copy the mcc record data from dflt_tile_cp to the current tile*/
9130 l_src_mcc_rec = l_default_tcp->m_mcc_records;
9131 l_dest_mcc_rec = l_tcp->m_mcc_records;
9132
9133 for (j = 0; j < l_default_tcp->m_nb_max_mcc_records; ++j) {
9134
9135 if (l_src_mcc_rec->m_decorrelation_array) {
9136 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_decorrelation_array -
9137 l_default_tcp->m_mct_records);
9138 l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
9139 }
9140
9141 if (l_src_mcc_rec->m_offset_array) {
9142 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_offset_array -
9143 l_default_tcp->m_mct_records);
9144 l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
9145 }
9146
9147 ++l_src_mcc_rec;
9148 ++l_dest_mcc_rec;
9149 }
9150
9151 /* Copy all the dflt_tile_compo_cp to the current tile cp */
9152 memcpy(l_current_tccp, l_default_tcp->tccps, l_tccp_size);
9153
9154 /* Move to next tile cp*/
9155 ++l_tcp;
9156 }
9157
9158 /* Create the current tile decoder*/
9159 p_j2k->m_tcd = opj_tcd_create(OPJ_TRUE);
9160 if (! p_j2k->m_tcd) {
9161 return OPJ_FALSE;
9162 }
9163
9164 if (!opj_tcd_init(p_j2k->m_tcd, l_image, &(p_j2k->m_cp), p_j2k->m_tp)) {
9165 opj_tcd_destroy(p_j2k->m_tcd);
9166 p_j2k->m_tcd = 00;
9167 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
9168 return OPJ_FALSE;
9169 }
9170
9171 return OPJ_TRUE;
9172 }
9173
opj_j2k_get_marker_handler(OPJ_UINT32 p_id)9174 static const opj_dec_memory_marker_handler_t * opj_j2k_get_marker_handler(
9175 OPJ_UINT32 p_id)
9176 {
9177 const opj_dec_memory_marker_handler_t *e;
9178 for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) {
9179 if (e->id == p_id) {
9180 break; /* we find a handler corresponding to the marker ID*/
9181 }
9182 }
9183 return e;
9184 }
9185
opj_j2k_destroy(void * j2k)9186 void opj_j2k_destroy(void *j2k)
9187 {
9188 opj_j2k_t *p_j2k = (opj_j2k_t*)j2k;
9189 if (p_j2k == 00) {
9190 return;
9191 }
9192
9193 if (p_j2k->m_is_decoder) {
9194
9195 if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) {
9196 opj_j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp);
9197 opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp);
9198 p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
9199 }
9200
9201 if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) {
9202 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
9203 p_j2k->m_specific_param.m_decoder.m_header_data = 00;
9204 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
9205 }
9206
9207 opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
9208 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = 00;
9209 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
9210
9211 } else {
9212
9213 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
9214 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
9215 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
9216 }
9217
9218 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
9219 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
9220 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
9221 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
9222 }
9223
9224 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
9225 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
9226 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
9227 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
9228 }
9229 }
9230
9231 opj_tcd_destroy(p_j2k->m_tcd);
9232
9233 opj_j2k_cp_destroy(&(p_j2k->m_cp));
9234 memset(&(p_j2k->m_cp), 0, sizeof(opj_cp_t));
9235
9236 opj_procedure_list_destroy(p_j2k->m_procedure_list);
9237 p_j2k->m_procedure_list = 00;
9238
9239 opj_procedure_list_destroy(p_j2k->m_validation_list);
9240 p_j2k->m_procedure_list = 00;
9241
9242 j2k_destroy_cstr_index(p_j2k->cstr_index);
9243 p_j2k->cstr_index = NULL;
9244
9245 opj_image_destroy(p_j2k->m_private_image);
9246 p_j2k->m_private_image = NULL;
9247
9248 opj_image_destroy(p_j2k->m_output_image);
9249 p_j2k->m_output_image = NULL;
9250
9251 opj_thread_pool_destroy(p_j2k->m_tp);
9252 p_j2k->m_tp = NULL;
9253
9254 opj_free(p_j2k);
9255 }
9256
j2k_destroy_cstr_index(opj_codestream_index_t * p_cstr_ind)9257 void j2k_destroy_cstr_index(opj_codestream_index_t *p_cstr_ind)
9258 {
9259 if (p_cstr_ind) {
9260
9261 if (p_cstr_ind->marker) {
9262 opj_free(p_cstr_ind->marker);
9263 p_cstr_ind->marker = NULL;
9264 }
9265
9266 if (p_cstr_ind->tile_index) {
9267 OPJ_UINT32 it_tile = 0;
9268
9269 for (it_tile = 0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) {
9270
9271 if (p_cstr_ind->tile_index[it_tile].packet_index) {
9272 opj_free(p_cstr_ind->tile_index[it_tile].packet_index);
9273 p_cstr_ind->tile_index[it_tile].packet_index = NULL;
9274 }
9275
9276 if (p_cstr_ind->tile_index[it_tile].tp_index) {
9277 opj_free(p_cstr_ind->tile_index[it_tile].tp_index);
9278 p_cstr_ind->tile_index[it_tile].tp_index = NULL;
9279 }
9280
9281 if (p_cstr_ind->tile_index[it_tile].marker) {
9282 opj_free(p_cstr_ind->tile_index[it_tile].marker);
9283 p_cstr_ind->tile_index[it_tile].marker = NULL;
9284
9285 }
9286 }
9287
9288 opj_free(p_cstr_ind->tile_index);
9289 p_cstr_ind->tile_index = NULL;
9290 }
9291
9292 opj_free(p_cstr_ind);
9293 }
9294 }
9295
opj_j2k_tcp_destroy(opj_tcp_t * p_tcp)9296 static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp)
9297 {
9298 if (p_tcp == 00) {
9299 return;
9300 }
9301
9302 if (p_tcp->ppt_markers != 00) {
9303 OPJ_UINT32 i;
9304 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
9305 if (p_tcp->ppt_markers[i].m_data != NULL) {
9306 opj_free(p_tcp->ppt_markers[i].m_data);
9307 }
9308 }
9309 p_tcp->ppt_markers_count = 0U;
9310 opj_free(p_tcp->ppt_markers);
9311 p_tcp->ppt_markers = NULL;
9312 }
9313
9314 if (p_tcp->ppt_buffer != 00) {
9315 opj_free(p_tcp->ppt_buffer);
9316 p_tcp->ppt_buffer = 00;
9317 }
9318
9319 if (p_tcp->tccps != 00) {
9320 opj_free(p_tcp->tccps);
9321 p_tcp->tccps = 00;
9322 }
9323
9324 if (p_tcp->m_mct_coding_matrix != 00) {
9325 opj_free(p_tcp->m_mct_coding_matrix);
9326 p_tcp->m_mct_coding_matrix = 00;
9327 }
9328
9329 if (p_tcp->m_mct_decoding_matrix != 00) {
9330 opj_free(p_tcp->m_mct_decoding_matrix);
9331 p_tcp->m_mct_decoding_matrix = 00;
9332 }
9333
9334 if (p_tcp->m_mcc_records) {
9335 opj_free(p_tcp->m_mcc_records);
9336 p_tcp->m_mcc_records = 00;
9337 p_tcp->m_nb_max_mcc_records = 0;
9338 p_tcp->m_nb_mcc_records = 0;
9339 }
9340
9341 if (p_tcp->m_mct_records) {
9342 opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
9343 OPJ_UINT32 i;
9344
9345 for (i = 0; i < p_tcp->m_nb_mct_records; ++i) {
9346 if (l_mct_data->m_data) {
9347 opj_free(l_mct_data->m_data);
9348 l_mct_data->m_data = 00;
9349 }
9350
9351 ++l_mct_data;
9352 }
9353
9354 opj_free(p_tcp->m_mct_records);
9355 p_tcp->m_mct_records = 00;
9356 }
9357
9358 if (p_tcp->mct_norms != 00) {
9359 opj_free(p_tcp->mct_norms);
9360 p_tcp->mct_norms = 00;
9361 }
9362
9363 opj_j2k_tcp_data_destroy(p_tcp);
9364
9365 }
9366
opj_j2k_tcp_data_destroy(opj_tcp_t * p_tcp)9367 static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp)
9368 {
9369 if (p_tcp->m_data) {
9370 opj_free(p_tcp->m_data);
9371 p_tcp->m_data = NULL;
9372 p_tcp->m_data_size = 0;
9373 }
9374 }
9375
opj_j2k_cp_destroy(opj_cp_t * p_cp)9376 static void opj_j2k_cp_destroy(opj_cp_t *p_cp)
9377 {
9378 OPJ_UINT32 l_nb_tiles;
9379 opj_tcp_t * l_current_tile = 00;
9380
9381 if (p_cp == 00) {
9382 return;
9383 }
9384 if (p_cp->tcps != 00) {
9385 OPJ_UINT32 i;
9386 l_current_tile = p_cp->tcps;
9387 l_nb_tiles = p_cp->th * p_cp->tw;
9388
9389 for (i = 0U; i < l_nb_tiles; ++i) {
9390 opj_j2k_tcp_destroy(l_current_tile);
9391 ++l_current_tile;
9392 }
9393 opj_free(p_cp->tcps);
9394 p_cp->tcps = 00;
9395 }
9396 if (p_cp->ppm_markers != 00) {
9397 OPJ_UINT32 i;
9398 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
9399 if (p_cp->ppm_markers[i].m_data != NULL) {
9400 opj_free(p_cp->ppm_markers[i].m_data);
9401 }
9402 }
9403 p_cp->ppm_markers_count = 0U;
9404 opj_free(p_cp->ppm_markers);
9405 p_cp->ppm_markers = NULL;
9406 }
9407 opj_free(p_cp->ppm_buffer);
9408 p_cp->ppm_buffer = 00;
9409 p_cp->ppm_data =
9410 NULL; /* ppm_data belongs to the allocated buffer pointed by ppm_buffer */
9411 opj_free(p_cp->comment);
9412 p_cp->comment = 00;
9413 if (! p_cp->m_is_decoder) {
9414 opj_free(p_cp->m_specific_param.m_enc.m_matrice);
9415 p_cp->m_specific_param.m_enc.m_matrice = 00;
9416 }
9417 }
9418
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)9419 static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
9420 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
9421 opj_event_mgr_t * p_manager)
9422 {
9423 OPJ_BYTE l_header_data[10];
9424 OPJ_OFF_T l_stream_pos_backup;
9425 OPJ_UINT32 l_current_marker;
9426 OPJ_UINT32 l_marker_size;
9427 OPJ_UINT32 l_tile_no, l_tot_len, l_current_part, l_num_parts;
9428
9429 /* initialize to no correction needed */
9430 *p_correction_needed = OPJ_FALSE;
9431
9432 if (!opj_stream_has_seek(p_stream)) {
9433 /* We can't do much in this case, seek is needed */
9434 return OPJ_TRUE;
9435 }
9436
9437 l_stream_pos_backup = opj_stream_tell(p_stream);
9438 if (l_stream_pos_backup == -1) {
9439 /* let's do nothing */
9440 return OPJ_TRUE;
9441 }
9442
9443 for (;;) {
9444 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
9445 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
9446 /* assume all is OK */
9447 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9448 return OPJ_FALSE;
9449 }
9450 return OPJ_TRUE;
9451 }
9452
9453 /* Read 2 bytes from buffer as the new marker ID */
9454 opj_read_bytes(l_header_data, &l_current_marker, 2);
9455
9456 if (l_current_marker != J2K_MS_SOT) {
9457 /* assume all is OK */
9458 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9459 return OPJ_FALSE;
9460 }
9461 return OPJ_TRUE;
9462 }
9463
9464 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
9465 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
9466 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9467 return OPJ_FALSE;
9468 }
9469
9470 /* Read 2 bytes from the buffer as the marker size */
9471 opj_read_bytes(l_header_data, &l_marker_size, 2);
9472
9473 /* Check marker size for SOT Marker */
9474 if (l_marker_size != 10) {
9475 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
9476 return OPJ_FALSE;
9477 }
9478 l_marker_size -= 2;
9479
9480 if (opj_stream_read_data(p_stream, l_header_data, l_marker_size,
9481 p_manager) != l_marker_size) {
9482 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9483 return OPJ_FALSE;
9484 }
9485
9486 if (! opj_j2k_get_sot_values(l_header_data, l_marker_size, &l_tile_no,
9487 &l_tot_len, &l_current_part, &l_num_parts, p_manager)) {
9488 return OPJ_FALSE;
9489 }
9490
9491 if (l_tile_no == tile_no) {
9492 /* we found what we were looking for */
9493 break;
9494 }
9495
9496 if (l_tot_len < 14U) {
9497 /* last SOT until EOC or invalid Psot value */
9498 /* assume all is OK */
9499 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9500 return OPJ_FALSE;
9501 }
9502 return OPJ_TRUE;
9503 }
9504 l_tot_len -= 12U;
9505 /* look for next SOT marker */
9506 if (opj_stream_skip(p_stream, (OPJ_OFF_T)(l_tot_len),
9507 p_manager) != (OPJ_OFF_T)(l_tot_len)) {
9508 /* assume all is OK */
9509 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9510 return OPJ_FALSE;
9511 }
9512 return OPJ_TRUE;
9513 }
9514 }
9515
9516 /* check for correction */
9517 if (l_current_part == l_num_parts) {
9518 *p_correction_needed = OPJ_TRUE;
9519 }
9520
9521 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9522 return OPJ_FALSE;
9523 }
9524 return OPJ_TRUE;
9525 }
9526
opj_j2k_read_tile_header(void * 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)9527 OPJ_BOOL opj_j2k_read_tile_header(void * j2k,
9528 OPJ_UINT32 * p_tile_index,
9529 OPJ_UINT32 * p_data_size,
9530 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
9531 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
9532 OPJ_UINT32 * p_nb_comps,
9533 OPJ_BOOL * p_go_on,
9534 opj_stream_private_t *p_stream,
9535 opj_event_mgr_t * p_manager)
9536 {
9537 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
9538 OPJ_UINT32 l_current_marker = J2K_MS_SOT;
9539 OPJ_UINT32 l_marker_size;
9540 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
9541 opj_tcp_t * l_tcp = NULL;
9542 const OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
9543
9544 /* preconditions */
9545 assert(p_stream != 00);
9546 assert(p_j2k != 00);
9547 assert(p_manager != 00);
9548
9549 /* Reach the End Of Codestream ?*/
9550 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
9551 l_current_marker = J2K_MS_EOC;
9552 }
9553 /* We need to encounter a SOT marker (a new tile-part header) */
9554 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
9555 return OPJ_FALSE;
9556 }
9557
9558 /* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */
9559 while ((!p_j2k->m_specific_param.m_decoder.m_can_decode) &&
9560 (l_current_marker != J2K_MS_EOC)) {
9561
9562 /* Try to read until the Start Of Data is detected */
9563 while (l_current_marker != J2K_MS_SOD) {
9564
9565 if (opj_stream_get_number_byte_left(p_stream) == 0) {
9566 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
9567 break;
9568 }
9569
9570 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
9571 if (opj_stream_read_data(p_stream,
9572 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9573 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9574 return OPJ_FALSE;
9575 }
9576
9577 /* Read 2 bytes from the buffer as the marker size */
9578 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
9579 2);
9580
9581 /* Check marker size (does not include marker ID but includes marker size) */
9582 if (l_marker_size < 2) {
9583 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
9584 return OPJ_FALSE;
9585 }
9586
9587 /* cf. https://code.google.com/p/openjpeg/issues/detail?id=226 */
9588 if (l_current_marker == 0x8080 &&
9589 opj_stream_get_number_byte_left(p_stream) == 0) {
9590 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
9591 break;
9592 }
9593
9594 /* Why this condition? FIXME */
9595 if (p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH) {
9596 p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
9597 }
9598 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
9599
9600 /* Get the marker handler from the marker ID */
9601 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
9602
9603 /* Check if the marker is known and if it is the right place to find it */
9604 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
9605 opj_event_msg(p_manager, EVT_ERROR,
9606 "Marker is not compliant with its position\n");
9607 return OPJ_FALSE;
9608 }
9609 /* FIXME manage case of unknown marker as in the main header ? */
9610
9611 /* Check if the marker size is compatible with the header data size */
9612 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
9613 OPJ_BYTE *new_header_data = NULL;
9614 /* If we are here, this means we consider this marker as known & we will read it */
9615 /* Check enough bytes left in stream before allocation */
9616 if ((OPJ_OFF_T)l_marker_size > opj_stream_get_number_byte_left(p_stream)) {
9617 opj_event_msg(p_manager, EVT_ERROR,
9618 "Marker size inconsistent with stream length\n");
9619 return OPJ_FALSE;
9620 }
9621 new_header_data = (OPJ_BYTE *) opj_realloc(
9622 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
9623 if (! new_header_data) {
9624 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
9625 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
9626 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
9627 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
9628 return OPJ_FALSE;
9629 }
9630 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
9631 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
9632 }
9633
9634 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
9635 if (opj_stream_read_data(p_stream,
9636 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
9637 p_manager) != l_marker_size) {
9638 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9639 return OPJ_FALSE;
9640 }
9641
9642 if (!l_marker_handler->handler) {
9643 /* See issue #175 */
9644 opj_event_msg(p_manager, EVT_ERROR, "Not sure how that happened.\n");
9645 return OPJ_FALSE;
9646 }
9647 /* Read the marker segment with the correct marker handler */
9648 if (!(*(l_marker_handler->handler))(p_j2k,
9649 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
9650 opj_event_msg(p_manager, EVT_ERROR,
9651 "Fail to read the current marker segment (%#x)\n", l_current_marker);
9652 return OPJ_FALSE;
9653 }
9654
9655 /* Add the marker to the codestream index*/
9656 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
9657 p_j2k->cstr_index,
9658 l_marker_handler->id,
9659 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
9660 l_marker_size + 4)) {
9661 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
9662 return OPJ_FALSE;
9663 }
9664
9665 /* Keep the position of the last SOT marker read */
9666 if (l_marker_handler->id == J2K_MS_SOT) {
9667 OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4
9668 ;
9669 if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos) {
9670 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos;
9671 }
9672 }
9673
9674 if (p_j2k->m_specific_param.m_decoder.m_skip_data) {
9675 /* Skip the rest of the tile part header*/
9676 if (opj_stream_skip(p_stream, p_j2k->m_specific_param.m_decoder.m_sot_length,
9677 p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) {
9678 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9679 return OPJ_FALSE;
9680 }
9681 l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */
9682 } else {
9683 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
9684 if (opj_stream_read_data(p_stream,
9685 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9686 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9687 return OPJ_FALSE;
9688 }
9689 /* Read 2 bytes from the buffer as the new marker ID */
9690 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
9691 &l_current_marker, 2);
9692 }
9693 }
9694 if (opj_stream_get_number_byte_left(p_stream) == 0
9695 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
9696 break;
9697 }
9698
9699 /* If we didn't skip data before, we need to read the SOD marker*/
9700 if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
9701 /* Try to read the SOD marker and skip data ? FIXME */
9702 if (! opj_j2k_read_sod(p_j2k, p_stream, p_manager)) {
9703 return OPJ_FALSE;
9704 }
9705 if (p_j2k->m_specific_param.m_decoder.m_can_decode &&
9706 !p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked) {
9707 /* Issue 254 */
9708 OPJ_BOOL l_correction_needed;
9709
9710 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
9711 if (!opj_j2k_need_nb_tile_parts_correction(p_stream,
9712 p_j2k->m_current_tile_number, &l_correction_needed, p_manager)) {
9713 opj_event_msg(p_manager, EVT_ERROR,
9714 "opj_j2k_apply_nb_tile_parts_correction error\n");
9715 return OPJ_FALSE;
9716 }
9717 if (l_correction_needed) {
9718 OPJ_UINT32 l_tile_no;
9719
9720 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
9721 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction = 1;
9722 /* correct tiles */
9723 for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
9724 if (p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts != 0U) {
9725 p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts += 1;
9726 }
9727 }
9728 opj_event_msg(p_manager, EVT_WARNING,
9729 "Non conformant codestream TPsot==TNsot.\n");
9730 }
9731 }
9732 } else {
9733 /* Indicate we will try to read a new tile-part header*/
9734 p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
9735 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
9736 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
9737 }
9738
9739 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
9740 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
9741 if (opj_stream_read_data(p_stream,
9742 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9743
9744 /* Deal with likely non conformant SPOT6 files, where the last */
9745 /* row of tiles have TPsot == 0 and TNsot == 0, and missing EOC, */
9746 /* but no other tile-parts were found. */
9747 if (p_j2k->m_current_tile_number + 1 == l_nb_tiles) {
9748 OPJ_UINT32 l_tile_no;
9749 for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
9750 if (p_j2k->m_cp.tcps[l_tile_no].m_current_tile_part_number == 0 &&
9751 p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts == 0) {
9752 break;
9753 }
9754 }
9755 if (l_tile_no < l_nb_tiles) {
9756 opj_event_msg(p_manager, EVT_INFO,
9757 "Tile %u has TPsot == 0 and TNsot == 0, "
9758 "but no other tile-parts were found. "
9759 "EOC is also missing.\n",
9760 l_tile_no);
9761 p_j2k->m_current_tile_number = l_tile_no;
9762 l_current_marker = J2K_MS_EOC;
9763 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
9764 break;
9765 }
9766 }
9767
9768 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9769 return OPJ_FALSE;
9770 }
9771
9772 /* Read 2 bytes from buffer as the new marker ID */
9773 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
9774 &l_current_marker, 2);
9775 }
9776 }
9777
9778 /* Current marker is the EOC marker ?*/
9779 if (l_current_marker == J2K_MS_EOC) {
9780 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
9781 p_j2k->m_current_tile_number = 0;
9782 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
9783 }
9784 }
9785
9786 /* Deal with tiles that have a single tile-part with TPsot == 0 and TNsot == 0 */
9787 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
9788 l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
9789
9790 while ((p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00)) {
9791 ++p_j2k->m_current_tile_number;
9792 ++l_tcp;
9793 }
9794
9795 if (p_j2k->m_current_tile_number == l_nb_tiles) {
9796 *p_go_on = OPJ_FALSE;
9797 return OPJ_TRUE;
9798 }
9799 }
9800
9801 if (! opj_j2k_merge_ppt(p_j2k->m_cp.tcps + p_j2k->m_current_tile_number,
9802 p_manager)) {
9803 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPT data\n");
9804 return OPJ_FALSE;
9805 }
9806 /*FIXME ???*/
9807 if (! opj_tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
9808 p_manager)) {
9809 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
9810 return OPJ_FALSE;
9811 }
9812
9813 opj_event_msg(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
9814 p_j2k->m_current_tile_number + 1, (p_j2k->m_cp.th * p_j2k->m_cp.tw));
9815
9816 *p_tile_index = p_j2k->m_current_tile_number;
9817 *p_go_on = OPJ_TRUE;
9818 if (p_data_size) {
9819 /* For internal use in j2k.c, we don't need this */
9820 /* This is just needed for folks using the opj_read_tile_header() / opj_decode_tile_data() combo */
9821 *p_data_size = opj_tcd_get_decoded_tile_size(p_j2k->m_tcd, OPJ_FALSE);
9822 if (*p_data_size == UINT_MAX) {
9823 return OPJ_FALSE;
9824 }
9825 }
9826 *p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
9827 *p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
9828 *p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
9829 *p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
9830 *p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
9831
9832 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
9833
9834 return OPJ_TRUE;
9835 }
9836
opj_j2k_decode_tile(void * 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)9837 OPJ_BOOL opj_j2k_decode_tile(void * j2k,
9838 OPJ_UINT32 p_tile_index,
9839 OPJ_BYTE * p_data,
9840 OPJ_UINT32 p_data_size,
9841 opj_stream_private_t *p_stream,
9842 opj_event_mgr_t * p_manager)
9843 {
9844 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
9845 OPJ_UINT32 l_current_marker;
9846 OPJ_BYTE l_data [2];
9847 opj_tcp_t * l_tcp;
9848 opj_image_t* l_image_for_bounds;
9849
9850 /* preconditions */
9851 assert(p_stream != 00);
9852 assert(p_j2k != 00);
9853 assert(p_manager != 00);
9854
9855 if (!(p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_DATA)
9856 || (p_tile_index != p_j2k->m_current_tile_number)) {
9857 return OPJ_FALSE;
9858 }
9859
9860 l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
9861 if (! l_tcp->m_data) {
9862 opj_j2k_tcp_destroy(l_tcp);
9863 return OPJ_FALSE;
9864 }
9865
9866 /* When using the opj_read_tile_header / opj_decode_tile_data API */
9867 /* such as in test_tile_decoder, m_output_image is NULL, so fall back */
9868 /* to the full image dimension. This is a bit surprising that */
9869 /* opj_set_decode_area() is only used to determine intersecting tiles, */
9870 /* but full tile decoding is done */
9871 l_image_for_bounds = p_j2k->m_output_image ? p_j2k->m_output_image :
9872 p_j2k->m_private_image;
9873 if (! opj_tcd_decode_tile(p_j2k->m_tcd,
9874 l_image_for_bounds->x0,
9875 l_image_for_bounds->y0,
9876 l_image_for_bounds->x1,
9877 l_image_for_bounds->y1,
9878 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode,
9879 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
9880 l_tcp->m_data,
9881 l_tcp->m_data_size,
9882 p_tile_index,
9883 p_j2k->cstr_index, p_manager)) {
9884 opj_j2k_tcp_destroy(l_tcp);
9885 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
9886 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode.\n");
9887 return OPJ_FALSE;
9888 }
9889
9890 /* p_data can be set to NULL when the call will take care of using */
9891 /* itself the TCD data. This is typically the case for whole single */
9892 /* tile decoding optimization. */
9893 if (p_data != NULL) {
9894 if (! opj_tcd_update_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
9895 return OPJ_FALSE;
9896 }
9897
9898 /* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access)
9899 * we destroy just the data which will be re-read in read_tile_header*/
9900 /*opj_j2k_tcp_destroy(l_tcp);
9901 p_j2k->m_tcd->tcp = 0;*/
9902 opj_j2k_tcp_data_destroy(l_tcp);
9903 }
9904
9905 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
9906 p_j2k->m_specific_param.m_decoder.m_state &= (~(OPJ_UINT32)J2K_STATE_DATA);
9907
9908 if (opj_stream_get_number_byte_left(p_stream) == 0
9909 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
9910 return OPJ_TRUE;
9911 }
9912
9913 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
9914 if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
9915 opj_event_msg(p_manager, p_j2k->m_cp.strict ? EVT_ERROR : EVT_WARNING,
9916 "Stream too short\n");
9917 return p_j2k->m_cp.strict ? OPJ_FALSE : OPJ_TRUE;
9918 }
9919 opj_read_bytes(l_data, &l_current_marker, 2);
9920
9921 if (l_current_marker == J2K_MS_EOC) {
9922 p_j2k->m_current_tile_number = 0;
9923 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
9924 } else if (l_current_marker != J2K_MS_SOT) {
9925 if (opj_stream_get_number_byte_left(p_stream) == 0) {
9926 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
9927 opj_event_msg(p_manager, EVT_WARNING, "Stream does not end with EOC\n");
9928 return OPJ_TRUE;
9929 }
9930 opj_event_msg(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
9931 return OPJ_FALSE;
9932 }
9933 }
9934
9935 return OPJ_TRUE;
9936 }
9937
opj_j2k_update_image_data(opj_tcd_t * p_tcd,opj_image_t * p_output_image)9938 static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
9939 opj_image_t* p_output_image)
9940 {
9941 OPJ_UINT32 i, j;
9942 OPJ_UINT32 l_width_src, l_height_src;
9943 OPJ_UINT32 l_width_dest, l_height_dest;
9944 OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src;
9945 OPJ_SIZE_T l_start_offset_src;
9946 OPJ_UINT32 l_start_x_dest, l_start_y_dest;
9947 OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest;
9948 OPJ_SIZE_T l_start_offset_dest;
9949
9950 opj_image_comp_t * l_img_comp_src = 00;
9951 opj_image_comp_t * l_img_comp_dest = 00;
9952
9953 opj_tcd_tilecomp_t * l_tilec = 00;
9954 opj_image_t * l_image_src = 00;
9955 OPJ_INT32 * l_dest_ptr;
9956
9957 l_tilec = p_tcd->tcd_image->tiles->comps;
9958 l_image_src = p_tcd->image;
9959 l_img_comp_src = l_image_src->comps;
9960
9961 l_img_comp_dest = p_output_image->comps;
9962
9963 for (i = 0; i < l_image_src->numcomps;
9964 i++, ++l_img_comp_dest, ++l_img_comp_src, ++l_tilec) {
9965 OPJ_INT32 res_x0, res_x1, res_y0, res_y1;
9966 OPJ_UINT32 src_data_stride;
9967 const OPJ_INT32* p_src_data;
9968
9969 /* Copy info from decoded comp image to output image */
9970 l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded;
9971
9972 if (p_tcd->whole_tile_decoding) {
9973 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
9974 l_img_comp_src->resno_decoded;
9975 res_x0 = l_res->x0;
9976 res_y0 = l_res->y0;
9977 res_x1 = l_res->x1;
9978 res_y1 = l_res->y1;
9979 src_data_stride = (OPJ_UINT32)(
9980 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x1 -
9981 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x0);
9982 p_src_data = l_tilec->data;
9983 } else {
9984 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
9985 l_img_comp_src->resno_decoded;
9986 res_x0 = (OPJ_INT32)l_res->win_x0;
9987 res_y0 = (OPJ_INT32)l_res->win_y0;
9988 res_x1 = (OPJ_INT32)l_res->win_x1;
9989 res_y1 = (OPJ_INT32)l_res->win_y1;
9990 src_data_stride = l_res->win_x1 - l_res->win_x0;
9991 p_src_data = l_tilec->data_win;
9992 }
9993
9994 if (p_src_data == NULL) {
9995 /* Happens for partial component decoding */
9996 continue;
9997 }
9998
9999 l_width_src = (OPJ_UINT32)(res_x1 - res_x0);
10000 l_height_src = (OPJ_UINT32)(res_y1 - res_y0);
10001
10002
10003 /* Current tile component size*/
10004 /*if (i == 0) {
10005 fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n",
10006 res_x0, res_x1, res_y0, res_y1);
10007 }*/
10008
10009
10010 /* Border of the current output component*/
10011 l_x0_dest = opj_uint_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
10012 l_y0_dest = opj_uint_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
10013 l_x1_dest = l_x0_dest +
10014 l_img_comp_dest->w; /* can't overflow given that image->x1 is uint32 */
10015 l_y1_dest = l_y0_dest + l_img_comp_dest->h;
10016
10017 /*if (i == 0) {
10018 fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n",
10019 l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor );
10020 }*/
10021
10022 /*-----*/
10023 /* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src)
10024 * of the input buffer (decoded tile component) which will be move
10025 * in the output buffer. Compute the area of the output buffer (l_start_x_dest,
10026 * l_start_y_dest, l_width_dest, l_height_dest) which will be modified
10027 * by this input area.
10028 * */
10029 assert(res_x0 >= 0);
10030 assert(res_x1 >= 0);
10031
10032 /* Prevent bad casting to unsigned values in the subsequent lines. */
10033 if ( res_x0 < 0 || res_x1 < 0 || res_y0 < 0 || res_y1 < 0 ) {
10034 return OPJ_FALSE;
10035 }
10036
10037 if (l_x0_dest < (OPJ_UINT32)res_x0) {
10038 l_start_x_dest = (OPJ_UINT32)res_x0 - l_x0_dest;
10039 l_offset_x0_src = 0;
10040
10041 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
10042 l_width_dest = l_width_src;
10043 l_offset_x1_src = 0;
10044 } else {
10045 l_width_dest = l_x1_dest - (OPJ_UINT32)res_x0 ;
10046 l_offset_x1_src = (OPJ_INT32)(l_width_src - l_width_dest);
10047 }
10048 } else {
10049 l_start_x_dest = 0U;
10050 l_offset_x0_src = (OPJ_INT32)l_x0_dest - res_x0;
10051
10052 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
10053 l_width_dest = l_width_src - (OPJ_UINT32)l_offset_x0_src;
10054 l_offset_x1_src = 0;
10055 } else {
10056 l_width_dest = l_img_comp_dest->w ;
10057 l_offset_x1_src = res_x1 - (OPJ_INT32)l_x1_dest;
10058 }
10059 }
10060
10061 if (l_y0_dest < (OPJ_UINT32)res_y0) {
10062 l_start_y_dest = (OPJ_UINT32)res_y0 - l_y0_dest;
10063 l_offset_y0_src = 0;
10064
10065 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
10066 l_height_dest = l_height_src;
10067 l_offset_y1_src = 0;
10068 } else {
10069 l_height_dest = l_y1_dest - (OPJ_UINT32)res_y0 ;
10070 l_offset_y1_src = (OPJ_INT32)(l_height_src - l_height_dest);
10071 }
10072 } else {
10073 l_start_y_dest = 0U;
10074 l_offset_y0_src = (OPJ_INT32)l_y0_dest - res_y0;
10075
10076 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
10077 l_height_dest = l_height_src - (OPJ_UINT32)l_offset_y0_src;
10078 l_offset_y1_src = 0;
10079 } else {
10080 l_height_dest = l_img_comp_dest->h ;
10081 l_offset_y1_src = res_y1 - (OPJ_INT32)l_y1_dest;
10082 }
10083 }
10084
10085 if ((l_offset_x0_src < 0) || (l_offset_y0_src < 0) || (l_offset_x1_src < 0) ||
10086 (l_offset_y1_src < 0)) {
10087 return OPJ_FALSE;
10088 }
10089 /* testcase 2977.pdf.asan.67.2198 */
10090 if ((OPJ_INT32)l_width_dest < 0 || (OPJ_INT32)l_height_dest < 0) {
10091 return OPJ_FALSE;
10092 }
10093 /*-----*/
10094
10095 /* Compute the input buffer offset */
10096 l_start_offset_src = (OPJ_SIZE_T)l_offset_x0_src + (OPJ_SIZE_T)l_offset_y0_src
10097 * (OPJ_SIZE_T)src_data_stride;
10098
10099 /* Compute the output buffer offset */
10100 l_start_offset_dest = (OPJ_SIZE_T)l_start_x_dest + (OPJ_SIZE_T)l_start_y_dest
10101 * (OPJ_SIZE_T)l_img_comp_dest->w;
10102
10103 /* Allocate output component buffer if necessary */
10104 if (l_img_comp_dest->data == NULL &&
10105 l_start_offset_src == 0 && l_start_offset_dest == 0 &&
10106 src_data_stride == l_img_comp_dest->w &&
10107 l_width_dest == l_img_comp_dest->w &&
10108 l_height_dest == l_img_comp_dest->h) {
10109 /* If the final image matches the tile buffer, then borrow it */
10110 /* directly to save a copy */
10111 if (p_tcd->whole_tile_decoding) {
10112 l_img_comp_dest->data = l_tilec->data;
10113 l_tilec->data = NULL;
10114 } else {
10115 l_img_comp_dest->data = l_tilec->data_win;
10116 l_tilec->data_win = NULL;
10117 }
10118 continue;
10119 } else if (l_img_comp_dest->data == NULL) {
10120 OPJ_SIZE_T l_width = l_img_comp_dest->w;
10121 OPJ_SIZE_T l_height = l_img_comp_dest->h;
10122
10123 if ((l_height == 0U) || (l_width > (SIZE_MAX / l_height)) ||
10124 l_width * l_height > SIZE_MAX / sizeof(OPJ_INT32)) {
10125 /* would overflow */
10126 return OPJ_FALSE;
10127 }
10128 l_img_comp_dest->data = (OPJ_INT32*) opj_image_data_alloc(l_width * l_height *
10129 sizeof(OPJ_INT32));
10130 if (! l_img_comp_dest->data) {
10131 return OPJ_FALSE;
10132 }
10133
10134 if (l_img_comp_dest->w != l_width_dest ||
10135 l_img_comp_dest->h != l_height_dest) {
10136 memset(l_img_comp_dest->data, 0,
10137 (OPJ_SIZE_T)l_img_comp_dest->w * l_img_comp_dest->h * sizeof(OPJ_INT32));
10138 }
10139 }
10140
10141 /* Move the output buffer to the first place where we will write*/
10142 l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest;
10143
10144 {
10145 const OPJ_INT32 * l_src_ptr = p_src_data;
10146 l_src_ptr += l_start_offset_src;
10147
10148 for (j = 0; j < l_height_dest; ++j) {
10149 memcpy(l_dest_ptr, l_src_ptr, l_width_dest * sizeof(OPJ_INT32));
10150 l_dest_ptr += l_img_comp_dest->w;
10151 l_src_ptr += src_data_stride;
10152 }
10153 }
10154
10155
10156 }
10157
10158 return OPJ_TRUE;
10159 }
10160
opj_j2k_update_image_dimensions(opj_image_t * p_image,opj_event_mgr_t * p_manager)10161 static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
10162 opj_event_mgr_t * p_manager)
10163 {
10164 OPJ_UINT32 it_comp;
10165 OPJ_INT32 l_comp_x1, l_comp_y1;
10166 opj_image_comp_t* l_img_comp = NULL;
10167
10168 l_img_comp = p_image->comps;
10169 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
10170 OPJ_INT32 l_h, l_w;
10171 if (p_image->x0 > (OPJ_UINT32)INT_MAX ||
10172 p_image->y0 > (OPJ_UINT32)INT_MAX ||
10173 p_image->x1 > (OPJ_UINT32)INT_MAX ||
10174 p_image->y1 > (OPJ_UINT32)INT_MAX) {
10175 opj_event_msg(p_manager, EVT_ERROR,
10176 "Image coordinates above INT_MAX are not supported\n");
10177 return OPJ_FALSE;
10178 }
10179
10180 l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
10181 l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
10182 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
10183 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
10184
10185 l_w = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor)
10186 - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor);
10187 if (l_w < 0) {
10188 opj_event_msg(p_manager, EVT_ERROR,
10189 "Size x of the decoded component image is incorrect (comp[%d].w=%d).\n",
10190 it_comp, l_w);
10191 return OPJ_FALSE;
10192 }
10193 l_img_comp->w = (OPJ_UINT32)l_w;
10194
10195 l_h = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor)
10196 - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor);
10197 if (l_h < 0) {
10198 opj_event_msg(p_manager, EVT_ERROR,
10199 "Size y of the decoded component image is incorrect (comp[%d].h=%d).\n",
10200 it_comp, l_h);
10201 return OPJ_FALSE;
10202 }
10203 l_img_comp->h = (OPJ_UINT32)l_h;
10204
10205 l_img_comp++;
10206 }
10207
10208 return OPJ_TRUE;
10209 }
10210
opj_j2k_set_decoded_components(void * j2k,OPJ_UINT32 numcomps,const OPJ_UINT32 * comps_indices,opj_event_mgr_t * p_manager)10211 OPJ_BOOL opj_j2k_set_decoded_components(void *j2k,
10212 OPJ_UINT32 numcomps,
10213 const OPJ_UINT32* comps_indices,
10214 opj_event_mgr_t * p_manager)
10215 {
10216 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
10217 OPJ_UINT32 i;
10218 OPJ_BOOL* already_mapped;
10219
10220 if (p_j2k->m_private_image == NULL) {
10221 opj_event_msg(p_manager, EVT_ERROR,
10222 "opj_read_header() should be called before "
10223 "opj_set_decoded_components().\n");
10224 return OPJ_FALSE;
10225 }
10226
10227 already_mapped = (OPJ_BOOL*) opj_calloc(sizeof(OPJ_BOOL),
10228 p_j2k->m_private_image->numcomps);
10229 if (already_mapped == NULL) {
10230 return OPJ_FALSE;
10231 }
10232
10233 for (i = 0; i < numcomps; i++) {
10234 if (comps_indices[i] >= p_j2k->m_private_image->numcomps) {
10235 opj_event_msg(p_manager, EVT_ERROR,
10236 "Invalid component index: %u\n",
10237 comps_indices[i]);
10238 opj_free(already_mapped);
10239 return OPJ_FALSE;
10240 }
10241 if (already_mapped[comps_indices[i]]) {
10242 opj_event_msg(p_manager, EVT_ERROR,
10243 "Component index %u used several times\n",
10244 comps_indices[i]);
10245 opj_free(already_mapped);
10246 return OPJ_FALSE;
10247 }
10248 already_mapped[comps_indices[i]] = OPJ_TRUE;
10249 }
10250 opj_free(already_mapped);
10251
10252 opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
10253 if (numcomps) {
10254 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode =
10255 (OPJ_UINT32*) opj_malloc(numcomps * sizeof(OPJ_UINT32));
10256 if (p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode == NULL) {
10257 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
10258 return OPJ_FALSE;
10259 }
10260 memcpy(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
10261 comps_indices,
10262 numcomps * sizeof(OPJ_UINT32));
10263 } else {
10264 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = NULL;
10265 }
10266 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = numcomps;
10267
10268 return OPJ_TRUE;
10269 }
10270
10271
opj_j2k_set_decode_area(void * 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)10272 OPJ_BOOL opj_j2k_set_decode_area(void *j2k,
10273 opj_image_t* p_image,
10274 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
10275 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
10276 opj_event_mgr_t * p_manager)
10277 {
10278 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
10279 opj_cp_t * l_cp = &(p_j2k->m_cp);
10280 opj_image_t * l_image = p_j2k->m_private_image;
10281 OPJ_BOOL ret;
10282 OPJ_UINT32 it_comp;
10283
10284 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10285 p_j2k->m_cp.tcps[0].m_data != NULL) {
10286 /* In the case of a single-tiled image whose codestream we have already */
10287 /* ingested, go on */
10288 }
10289 /* Check if we are read the main header */
10290 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
10291 opj_event_msg(p_manager, EVT_ERROR,
10292 "Need to decode the main header before begin to decode the remaining codestream.\n");
10293 return OPJ_FALSE;
10294 }
10295
10296 /* Update the comps[].factor member of the output image with the one */
10297 /* of m_reduce */
10298 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
10299 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
10300 }
10301
10302 if (!p_start_x && !p_start_y && !p_end_x && !p_end_y) {
10303 opj_event_msg(p_manager, EVT_INFO,
10304 "No decoded area parameters, set the decoded area to the whole image\n");
10305
10306 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
10307 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
10308 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
10309 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
10310
10311 p_image->x0 = l_image->x0;
10312 p_image->y0 = l_image->y0;
10313 p_image->x1 = l_image->x1;
10314 p_image->y1 = l_image->y1;
10315
10316 return opj_j2k_update_image_dimensions(p_image, p_manager);
10317 }
10318
10319 /* ----- */
10320 /* Check if the positions provided by the user are correct */
10321
10322 /* Left */
10323 if (p_start_x < 0) {
10324 opj_event_msg(p_manager, EVT_ERROR,
10325 "Left position of the decoded area (region_x0=%d) should be >= 0.\n",
10326 p_start_x);
10327 return OPJ_FALSE;
10328 } else if ((OPJ_UINT32)p_start_x > l_image->x1) {
10329 opj_event_msg(p_manager, EVT_ERROR,
10330 "Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n",
10331 p_start_x, l_image->x1);
10332 return OPJ_FALSE;
10333 } else if ((OPJ_UINT32)p_start_x < l_image->x0) {
10334 opj_event_msg(p_manager, EVT_WARNING,
10335 "Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n",
10336 p_start_x, l_image->x0);
10337 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
10338 p_image->x0 = l_image->x0;
10339 } else {
10340 p_j2k->m_specific_param.m_decoder.m_start_tile_x = ((OPJ_UINT32)p_start_x -
10341 l_cp->tx0) / l_cp->tdx;
10342 p_image->x0 = (OPJ_UINT32)p_start_x;
10343 }
10344
10345 /* Up */
10346 if (p_start_y < 0) {
10347 opj_event_msg(p_manager, EVT_ERROR,
10348 "Up position of the decoded area (region_y0=%d) should be >= 0.\n",
10349 p_start_y);
10350 return OPJ_FALSE;
10351 } else if ((OPJ_UINT32)p_start_y > l_image->y1) {
10352 opj_event_msg(p_manager, EVT_ERROR,
10353 "Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n",
10354 p_start_y, l_image->y1);
10355 return OPJ_FALSE;
10356 } else if ((OPJ_UINT32)p_start_y < l_image->y0) {
10357 opj_event_msg(p_manager, EVT_WARNING,
10358 "Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n",
10359 p_start_y, l_image->y0);
10360 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
10361 p_image->y0 = l_image->y0;
10362 } else {
10363 p_j2k->m_specific_param.m_decoder.m_start_tile_y = ((OPJ_UINT32)p_start_y -
10364 l_cp->ty0) / l_cp->tdy;
10365 p_image->y0 = (OPJ_UINT32)p_start_y;
10366 }
10367
10368 /* Right */
10369 if (p_end_x <= 0) {
10370 opj_event_msg(p_manager, EVT_ERROR,
10371 "Right position of the decoded area (region_x1=%d) should be > 0.\n",
10372 p_end_x);
10373 return OPJ_FALSE;
10374 } else if ((OPJ_UINT32)p_end_x < l_image->x0) {
10375 opj_event_msg(p_manager, EVT_ERROR,
10376 "Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n",
10377 p_end_x, l_image->x0);
10378 return OPJ_FALSE;
10379 } else if ((OPJ_UINT32)p_end_x > l_image->x1) {
10380 opj_event_msg(p_manager, EVT_WARNING,
10381 "Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n",
10382 p_end_x, l_image->x1);
10383 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
10384 p_image->x1 = l_image->x1;
10385 } else {
10386 p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv(
10387 p_end_x - (OPJ_INT32)l_cp->tx0, (OPJ_INT32)l_cp->tdx);
10388 p_image->x1 = (OPJ_UINT32)p_end_x;
10389 }
10390
10391 /* Bottom */
10392 if (p_end_y <= 0) {
10393 opj_event_msg(p_manager, EVT_ERROR,
10394 "Bottom position of the decoded area (region_y1=%d) should be > 0.\n",
10395 p_end_y);
10396 return OPJ_FALSE;
10397 } else if ((OPJ_UINT32)p_end_y < l_image->y0) {
10398 opj_event_msg(p_manager, EVT_ERROR,
10399 "Bottom position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n",
10400 p_end_y, l_image->y0);
10401 return OPJ_FALSE;
10402 }
10403 if ((OPJ_UINT32)p_end_y > l_image->y1) {
10404 opj_event_msg(p_manager, EVT_WARNING,
10405 "Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n",
10406 p_end_y, l_image->y1);
10407 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
10408 p_image->y1 = l_image->y1;
10409 } else {
10410 p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv(
10411 p_end_y - (OPJ_INT32)l_cp->ty0, (OPJ_INT32)l_cp->tdy);
10412 p_image->y1 = (OPJ_UINT32)p_end_y;
10413 }
10414 /* ----- */
10415
10416 p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1;
10417
10418 ret = opj_j2k_update_image_dimensions(p_image, p_manager);
10419
10420 if (ret) {
10421 opj_event_msg(p_manager, EVT_INFO, "Setting decoding area to %d,%d,%d,%d\n",
10422 p_image->x0, p_image->y0, p_image->x1, p_image->y1);
10423 }
10424
10425 return ret;
10426 }
10427
opj_j2k_create_decompress(void)10428 opj_j2k_t* opj_j2k_create_decompress(void)
10429 {
10430 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
10431 if (!l_j2k) {
10432 return 00;
10433 }
10434
10435 l_j2k->m_is_decoder = 1;
10436 l_j2k->m_cp.m_is_decoder = 1;
10437 /* in the absence of JP2 boxes, consider different bit depth / sign */
10438 /* per component is allowed */
10439 l_j2k->m_cp.allow_different_bit_depth_sign = 1;
10440
10441 /* Default to using strict mode. */
10442 l_j2k->m_cp.strict = OPJ_TRUE;
10443
10444 #ifdef OPJ_DISABLE_TPSOT_FIX
10445 l_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
10446 #endif
10447
10448 l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_t*) opj_calloc(1,
10449 sizeof(opj_tcp_t));
10450 if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
10451 opj_j2k_destroy(l_j2k);
10452 return 00;
10453 }
10454
10455 l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_calloc(1,
10456 OPJ_J2K_DEFAULT_HEADER_SIZE);
10457 if (! l_j2k->m_specific_param.m_decoder.m_header_data) {
10458 opj_j2k_destroy(l_j2k);
10459 return 00;
10460 }
10461
10462 l_j2k->m_specific_param.m_decoder.m_header_data_size =
10463 OPJ_J2K_DEFAULT_HEADER_SIZE;
10464
10465 l_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = -1 ;
10466
10467 l_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = 0 ;
10468
10469 /* codestream index creation */
10470 l_j2k->cstr_index = opj_j2k_create_cstr_index();
10471 if (!l_j2k->cstr_index) {
10472 opj_j2k_destroy(l_j2k);
10473 return 00;
10474 }
10475
10476 /* validation list creation */
10477 l_j2k->m_validation_list = opj_procedure_list_create();
10478 if (! l_j2k->m_validation_list) {
10479 opj_j2k_destroy(l_j2k);
10480 return 00;
10481 }
10482
10483 /* execution list creation */
10484 l_j2k->m_procedure_list = opj_procedure_list_create();
10485 if (! l_j2k->m_procedure_list) {
10486 opj_j2k_destroy(l_j2k);
10487 return 00;
10488 }
10489
10490 l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
10491 if (!l_j2k->m_tp) {
10492 l_j2k->m_tp = opj_thread_pool_create(0);
10493 }
10494 if (!l_j2k->m_tp) {
10495 opj_j2k_destroy(l_j2k);
10496 return NULL;
10497 }
10498
10499 return l_j2k;
10500 }
10501
opj_j2k_create_cstr_index(void)10502 static opj_codestream_index_t* opj_j2k_create_cstr_index(void)
10503 {
10504 opj_codestream_index_t* cstr_index = (opj_codestream_index_t*)
10505 opj_calloc(1, sizeof(opj_codestream_index_t));
10506 if (!cstr_index) {
10507 return NULL;
10508 }
10509
10510 cstr_index->maxmarknum = 100;
10511 cstr_index->marknum = 0;
10512 cstr_index->marker = (opj_marker_info_t*)
10513 opj_calloc(cstr_index->maxmarknum, sizeof(opj_marker_info_t));
10514 if (!cstr_index-> marker) {
10515 opj_free(cstr_index);
10516 return NULL;
10517 }
10518
10519 cstr_index->tile_index = NULL;
10520
10521 return cstr_index;
10522 }
10523
opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no)10524 static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
10525 OPJ_UINT32 p_tile_no,
10526 OPJ_UINT32 p_comp_no)
10527 {
10528 opj_cp_t *l_cp = 00;
10529 opj_tcp_t *l_tcp = 00;
10530 opj_tccp_t *l_tccp = 00;
10531
10532 /* preconditions */
10533 assert(p_j2k != 00);
10534
10535 l_cp = &(p_j2k->m_cp);
10536 l_tcp = &l_cp->tcps[p_tile_no];
10537 l_tccp = &l_tcp->tccps[p_comp_no];
10538
10539 /* preconditions again */
10540 assert(p_tile_no < (l_cp->tw * l_cp->th));
10541 assert(p_comp_no < p_j2k->m_private_image->numcomps);
10542
10543 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
10544 return 5 + l_tccp->numresolutions;
10545 } else {
10546 return 5;
10547 }
10548 }
10549
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)10550 static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
10551 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
10552 {
10553 OPJ_UINT32 i;
10554 opj_cp_t *l_cp = NULL;
10555 opj_tcp_t *l_tcp = NULL;
10556 opj_tccp_t *l_tccp0 = NULL;
10557 opj_tccp_t *l_tccp1 = NULL;
10558
10559 /* preconditions */
10560 assert(p_j2k != 00);
10561
10562 l_cp = &(p_j2k->m_cp);
10563 l_tcp = &l_cp->tcps[p_tile_no];
10564 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
10565 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
10566
10567 if (l_tccp0->numresolutions != l_tccp1->numresolutions) {
10568 return OPJ_FALSE;
10569 }
10570 if (l_tccp0->cblkw != l_tccp1->cblkw) {
10571 return OPJ_FALSE;
10572 }
10573 if (l_tccp0->cblkh != l_tccp1->cblkh) {
10574 return OPJ_FALSE;
10575 }
10576 if (l_tccp0->cblksty != l_tccp1->cblksty) {
10577 return OPJ_FALSE;
10578 }
10579 if (l_tccp0->qmfbid != l_tccp1->qmfbid) {
10580 return OPJ_FALSE;
10581 }
10582 if ((l_tccp0->csty & J2K_CCP_CSTY_PRT) != (l_tccp1->csty & J2K_CCP_CSTY_PRT)) {
10583 return OPJ_FALSE;
10584 }
10585
10586 for (i = 0U; i < l_tccp0->numresolutions; ++i) {
10587 if (l_tccp0->prcw[i] != l_tccp1->prcw[i]) {
10588 return OPJ_FALSE;
10589 }
10590 if (l_tccp0->prch[i] != l_tccp1->prch[i]) {
10591 return OPJ_FALSE;
10592 }
10593 }
10594 return OPJ_TRUE;
10595 }
10596
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)10597 static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
10598 OPJ_UINT32 p_tile_no,
10599 OPJ_UINT32 p_comp_no,
10600 OPJ_BYTE * p_data,
10601 OPJ_UINT32 * p_header_size,
10602 struct opj_event_mgr * p_manager)
10603 {
10604 OPJ_UINT32 i;
10605 opj_cp_t *l_cp = 00;
10606 opj_tcp_t *l_tcp = 00;
10607 opj_tccp_t *l_tccp = 00;
10608
10609 /* preconditions */
10610 assert(p_j2k != 00);
10611 assert(p_header_size != 00);
10612 assert(p_manager != 00);
10613 assert(p_data != 00);
10614
10615 l_cp = &(p_j2k->m_cp);
10616 l_tcp = &l_cp->tcps[p_tile_no];
10617 l_tccp = &l_tcp->tccps[p_comp_no];
10618
10619 /* preconditions again */
10620 assert(p_tile_no < (l_cp->tw * l_cp->th));
10621 assert(p_comp_no < (p_j2k->m_private_image->numcomps));
10622
10623 if (*p_header_size < 5) {
10624 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
10625 return OPJ_FALSE;
10626 }
10627
10628 opj_write_bytes(p_data, l_tccp->numresolutions - 1, 1); /* SPcoc (D) */
10629 ++p_data;
10630
10631 opj_write_bytes(p_data, l_tccp->cblkw - 2, 1); /* SPcoc (E) */
10632 ++p_data;
10633
10634 opj_write_bytes(p_data, l_tccp->cblkh - 2, 1); /* SPcoc (F) */
10635 ++p_data;
10636
10637 opj_write_bytes(p_data, l_tccp->cblksty,
10638 1); /* SPcoc (G) */
10639 ++p_data;
10640
10641 opj_write_bytes(p_data, l_tccp->qmfbid,
10642 1); /* SPcoc (H) */
10643 ++p_data;
10644
10645 *p_header_size = *p_header_size - 5;
10646
10647 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
10648
10649 if (*p_header_size < l_tccp->numresolutions) {
10650 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
10651 return OPJ_FALSE;
10652 }
10653
10654 for (i = 0; i < l_tccp->numresolutions; ++i) {
10655 opj_write_bytes(p_data, l_tccp->prcw[i] + (l_tccp->prch[i] << 4),
10656 1); /* SPcoc (I_i) */
10657 ++p_data;
10658 }
10659
10660 *p_header_size = *p_header_size - l_tccp->numresolutions;
10661 }
10662
10663 return OPJ_TRUE;
10664 }
10665
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)10666 static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
10667 OPJ_UINT32 compno,
10668 OPJ_BYTE * p_header_data,
10669 OPJ_UINT32 * p_header_size,
10670 opj_event_mgr_t * p_manager)
10671 {
10672 OPJ_UINT32 i, l_tmp;
10673 opj_cp_t *l_cp = NULL;
10674 opj_tcp_t *l_tcp = NULL;
10675 opj_tccp_t *l_tccp = NULL;
10676 OPJ_BYTE * l_current_ptr = NULL;
10677
10678 /* preconditions */
10679 assert(p_j2k != 00);
10680 assert(p_manager != 00);
10681 assert(p_header_data != 00);
10682
10683 l_cp = &(p_j2k->m_cp);
10684 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
10685 &l_cp->tcps[p_j2k->m_current_tile_number] :
10686 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10687
10688 /* precondition again */
10689 if (compno >= p_j2k->m_private_image->numcomps) {
10690 return OPJ_FALSE;
10691 }
10692
10693 assert(compno < p_j2k->m_private_image->numcomps);
10694
10695 l_tccp = &l_tcp->tccps[compno];
10696 l_current_ptr = p_header_data;
10697
10698 /* make sure room is sufficient */
10699 if (*p_header_size < 5) {
10700 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
10701 return OPJ_FALSE;
10702 }
10703
10704 /* SPcod (D) / SPcoc (A) */
10705 opj_read_bytes(l_current_ptr, &l_tccp->numresolutions, 1);
10706 ++l_tccp->numresolutions; /* tccp->numresolutions = read() + 1 */
10707 if (l_tccp->numresolutions > OPJ_J2K_MAXRLVLS) {
10708 opj_event_msg(p_manager, EVT_ERROR,
10709 "Invalid value for numresolutions : %d, max value is set in openjpeg.h at %d\n",
10710 l_tccp->numresolutions, OPJ_J2K_MAXRLVLS);
10711 return OPJ_FALSE;
10712 }
10713 ++l_current_ptr;
10714
10715 /* If user wants to remove more resolutions than the codestream contains, return error */
10716 if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) {
10717 opj_event_msg(p_manager, EVT_ERROR,
10718 "Error decoding component %d.\nThe number of resolutions "
10719 "to remove (%d) is greater or equal than the number "
10720 "of resolutions of this component (%d)\nModify the cp_reduce parameter.\n\n",
10721 compno, l_cp->m_specific_param.m_dec.m_reduce, l_tccp->numresolutions);
10722 p_j2k->m_specific_param.m_decoder.m_state |=
10723 0x8000;/* FIXME J2K_DEC_STATE_ERR;*/
10724 return OPJ_FALSE;
10725 }
10726
10727 /* SPcod (E) / SPcoc (B) */
10728 opj_read_bytes(l_current_ptr, &l_tccp->cblkw, 1);
10729 ++l_current_ptr;
10730 l_tccp->cblkw += 2;
10731
10732 /* SPcod (F) / SPcoc (C) */
10733 opj_read_bytes(l_current_ptr, &l_tccp->cblkh, 1);
10734 ++l_current_ptr;
10735 l_tccp->cblkh += 2;
10736
10737 if ((l_tccp->cblkw > 10) || (l_tccp->cblkh > 10) ||
10738 ((l_tccp->cblkw + l_tccp->cblkh) > 12)) {
10739 opj_event_msg(p_manager, EVT_ERROR,
10740 "Error reading SPCod SPCoc element, Invalid cblkw/cblkh combination\n");
10741 return OPJ_FALSE;
10742 }
10743
10744 /* SPcod (G) / SPcoc (D) */
10745 opj_read_bytes(l_current_ptr, &l_tccp->cblksty, 1);
10746 ++l_current_ptr;
10747 if ((l_tccp->cblksty & J2K_CCP_CBLKSTY_HTMIXED) != 0) {
10748 /* We do not support HT mixed mode yet. For conformance, it should be supported.*/
10749 opj_event_msg(p_manager, EVT_ERROR,
10750 "Error reading SPCod SPCoc element. Unsupported Mixed HT code-block style found\n");
10751 return OPJ_FALSE;
10752 }
10753
10754 /* SPcod (H) / SPcoc (E) */
10755 opj_read_bytes(l_current_ptr, &l_tccp->qmfbid, 1);
10756 ++l_current_ptr;
10757
10758 if (l_tccp->qmfbid > 1) {
10759 opj_event_msg(p_manager, EVT_ERROR,
10760 "Error reading SPCod SPCoc element, Invalid transformation found\n");
10761 return OPJ_FALSE;
10762 }
10763
10764 *p_header_size = *p_header_size - 5;
10765
10766 /* use custom precinct size ? */
10767 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
10768 if (*p_header_size < l_tccp->numresolutions) {
10769 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
10770 return OPJ_FALSE;
10771 }
10772
10773 /* SPcod (I_i) / SPcoc (F_i) */
10774 for (i = 0; i < l_tccp->numresolutions; ++i) {
10775 opj_read_bytes(l_current_ptr, &l_tmp, 1);
10776 ++l_current_ptr;
10777 /* Precinct exponent 0 is only allowed for lowest resolution level (Table A.21) */
10778 if ((i != 0) && (((l_tmp & 0xf) == 0) || ((l_tmp >> 4) == 0))) {
10779 opj_event_msg(p_manager, EVT_ERROR, "Invalid precinct size\n");
10780 return OPJ_FALSE;
10781 }
10782 l_tccp->prcw[i] = l_tmp & 0xf;
10783 l_tccp->prch[i] = l_tmp >> 4;
10784 }
10785
10786 *p_header_size = *p_header_size - l_tccp->numresolutions;
10787 } else {
10788 /* set default size for the precinct width and height */
10789 for (i = 0; i < l_tccp->numresolutions; ++i) {
10790 l_tccp->prcw[i] = 15;
10791 l_tccp->prch[i] = 15;
10792 }
10793 }
10794
10795 #ifdef WIP_REMOVE_MSD
10796 /* INDEX >> */
10797 if (p_j2k->cstr_info && compno == 0) {
10798 OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32);
10799
10800 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkh =
10801 l_tccp->cblkh;
10802 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkw =
10803 l_tccp->cblkw;
10804 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].numresolutions
10805 = l_tccp->numresolutions;
10806 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblksty =
10807 l_tccp->cblksty;
10808 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].qmfbid =
10809 l_tccp->qmfbid;
10810
10811 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx, l_tccp->prcw,
10812 l_data_size);
10813 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy, l_tccp->prch,
10814 l_data_size);
10815 }
10816 /* << INDEX */
10817 #endif
10818
10819 return OPJ_TRUE;
10820 }
10821
opj_j2k_copy_tile_component_parameters(opj_j2k_t * p_j2k)10822 static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k)
10823 {
10824 /* loop */
10825 OPJ_UINT32 i;
10826 opj_cp_t *l_cp = NULL;
10827 opj_tcp_t *l_tcp = NULL;
10828 opj_tccp_t *l_ref_tccp = NULL, *l_copied_tccp = NULL;
10829 OPJ_UINT32 l_prc_size;
10830
10831 /* preconditions */
10832 assert(p_j2k != 00);
10833
10834 l_cp = &(p_j2k->m_cp);
10835 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
10836 ?
10837 &l_cp->tcps[p_j2k->m_current_tile_number] :
10838 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10839
10840 l_ref_tccp = &l_tcp->tccps[0];
10841 l_copied_tccp = l_ref_tccp + 1;
10842 l_prc_size = l_ref_tccp->numresolutions * (OPJ_UINT32)sizeof(OPJ_UINT32);
10843
10844 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
10845 l_copied_tccp->numresolutions = l_ref_tccp->numresolutions;
10846 l_copied_tccp->cblkw = l_ref_tccp->cblkw;
10847 l_copied_tccp->cblkh = l_ref_tccp->cblkh;
10848 l_copied_tccp->cblksty = l_ref_tccp->cblksty;
10849 l_copied_tccp->qmfbid = l_ref_tccp->qmfbid;
10850 memcpy(l_copied_tccp->prcw, l_ref_tccp->prcw, l_prc_size);
10851 memcpy(l_copied_tccp->prch, l_ref_tccp->prch, l_prc_size);
10852 ++l_copied_tccp;
10853 }
10854 }
10855
opj_j2k_get_SQcd_SQcc_size(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no)10856 static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
10857 OPJ_UINT32 p_tile_no,
10858 OPJ_UINT32 p_comp_no)
10859 {
10860 OPJ_UINT32 l_num_bands;
10861
10862 opj_cp_t *l_cp = 00;
10863 opj_tcp_t *l_tcp = 00;
10864 opj_tccp_t *l_tccp = 00;
10865
10866 /* preconditions */
10867 assert(p_j2k != 00);
10868
10869 l_cp = &(p_j2k->m_cp);
10870 l_tcp = &l_cp->tcps[p_tile_no];
10871 l_tccp = &l_tcp->tccps[p_comp_no];
10872
10873 /* preconditions again */
10874 assert(p_tile_no < l_cp->tw * l_cp->th);
10875 assert(p_comp_no < p_j2k->m_private_image->numcomps);
10876
10877 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10878 (l_tccp->numresolutions * 3 - 2);
10879
10880 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
10881 return 1 + l_num_bands;
10882 } else {
10883 return 1 + 2 * l_num_bands;
10884 }
10885 }
10886
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)10887 static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
10888 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
10889 {
10890 opj_cp_t *l_cp = NULL;
10891 opj_tcp_t *l_tcp = NULL;
10892 opj_tccp_t *l_tccp0 = NULL;
10893 opj_tccp_t *l_tccp1 = NULL;
10894 OPJ_UINT32 l_band_no, l_num_bands;
10895
10896 /* preconditions */
10897 assert(p_j2k != 00);
10898
10899 l_cp = &(p_j2k->m_cp);
10900 l_tcp = &l_cp->tcps[p_tile_no];
10901 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
10902 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
10903
10904 if (l_tccp0->qntsty != l_tccp1->qntsty) {
10905 return OPJ_FALSE;
10906 }
10907 if (l_tccp0->numgbits != l_tccp1->numgbits) {
10908 return OPJ_FALSE;
10909 }
10910 if (l_tccp0->qntsty == J2K_CCP_QNTSTY_SIQNT) {
10911 l_num_bands = 1U;
10912 } else {
10913 l_num_bands = l_tccp0->numresolutions * 3U - 2U;
10914 if (l_num_bands != (l_tccp1->numresolutions * 3U - 2U)) {
10915 return OPJ_FALSE;
10916 }
10917 }
10918
10919 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10920 if (l_tccp0->stepsizes[l_band_no].expn != l_tccp1->stepsizes[l_band_no].expn) {
10921 return OPJ_FALSE;
10922 }
10923 }
10924 if (l_tccp0->qntsty != J2K_CCP_QNTSTY_NOQNT) {
10925 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10926 if (l_tccp0->stepsizes[l_band_no].mant != l_tccp1->stepsizes[l_band_no].mant) {
10927 return OPJ_FALSE;
10928 }
10929 }
10930 }
10931 return OPJ_TRUE;
10932 }
10933
10934
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)10935 static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
10936 OPJ_UINT32 p_tile_no,
10937 OPJ_UINT32 p_comp_no,
10938 OPJ_BYTE * p_data,
10939 OPJ_UINT32 * p_header_size,
10940 struct opj_event_mgr * p_manager)
10941 {
10942 OPJ_UINT32 l_header_size;
10943 OPJ_UINT32 l_band_no, l_num_bands;
10944 OPJ_UINT32 l_expn, l_mant;
10945
10946 opj_cp_t *l_cp = 00;
10947 opj_tcp_t *l_tcp = 00;
10948 opj_tccp_t *l_tccp = 00;
10949
10950 /* preconditions */
10951 assert(p_j2k != 00);
10952 assert(p_header_size != 00);
10953 assert(p_manager != 00);
10954 assert(p_data != 00);
10955
10956 l_cp = &(p_j2k->m_cp);
10957 l_tcp = &l_cp->tcps[p_tile_no];
10958 l_tccp = &l_tcp->tccps[p_comp_no];
10959
10960 /* preconditions again */
10961 assert(p_tile_no < l_cp->tw * l_cp->th);
10962 assert(p_comp_no < p_j2k->m_private_image->numcomps);
10963
10964 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10965 (l_tccp->numresolutions * 3 - 2);
10966
10967 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
10968 l_header_size = 1 + l_num_bands;
10969
10970 if (*p_header_size < l_header_size) {
10971 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
10972 return OPJ_FALSE;
10973 }
10974
10975 opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
10976 1); /* Sqcx */
10977 ++p_data;
10978
10979 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10980 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
10981 opj_write_bytes(p_data, l_expn << 3, 1); /* SPqcx_i */
10982 ++p_data;
10983 }
10984 } else {
10985 l_header_size = 1 + 2 * l_num_bands;
10986
10987 if (*p_header_size < l_header_size) {
10988 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
10989 return OPJ_FALSE;
10990 }
10991
10992 opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
10993 1); /* Sqcx */
10994 ++p_data;
10995
10996 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10997 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
10998 l_mant = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].mant;
10999
11000 opj_write_bytes(p_data, (l_expn << 11) + l_mant, 2); /* SPqcx_i */
11001 p_data += 2;
11002 }
11003 }
11004
11005 *p_header_size = *p_header_size - l_header_size;
11006
11007 return OPJ_TRUE;
11008 }
11009
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)11010 static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
11011 OPJ_UINT32 p_comp_no,
11012 OPJ_BYTE* p_header_data,
11013 OPJ_UINT32 * p_header_size,
11014 opj_event_mgr_t * p_manager
11015 )
11016 {
11017 /* loop*/
11018 OPJ_UINT32 l_band_no;
11019 opj_cp_t *l_cp = 00;
11020 opj_tcp_t *l_tcp = 00;
11021 opj_tccp_t *l_tccp = 00;
11022 OPJ_BYTE * l_current_ptr = 00;
11023 OPJ_UINT32 l_tmp, l_num_band;
11024
11025 /* preconditions*/
11026 assert(p_j2k != 00);
11027 assert(p_manager != 00);
11028 assert(p_header_data != 00);
11029
11030 l_cp = &(p_j2k->m_cp);
11031 /* come from tile part header or main header ?*/
11032 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
11033 ?
11034 &l_cp->tcps[p_j2k->m_current_tile_number] :
11035 p_j2k->m_specific_param.m_decoder.m_default_tcp;
11036
11037 /* precondition again*/
11038 if (p_comp_no >= p_j2k->m_private_image->numcomps) {
11039 return OPJ_FALSE;
11040 }
11041
11042 l_tccp = &l_tcp->tccps[p_comp_no];
11043 l_current_ptr = p_header_data;
11044
11045 if (*p_header_size < 1) {
11046 opj_event_msg(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n");
11047 return OPJ_FALSE;
11048 }
11049 *p_header_size -= 1;
11050
11051 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* Sqcx */
11052 ++l_current_ptr;
11053
11054 l_tccp->qntsty = l_tmp & 0x1f;
11055 l_tccp->numgbits = l_tmp >> 5;
11056 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
11057 l_num_band = 1;
11058 } else {
11059 l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ?
11060 (*p_header_size) :
11061 (*p_header_size) / 2;
11062
11063 if (l_num_band > OPJ_J2K_MAXBANDS) {
11064 opj_event_msg(p_manager, EVT_WARNING,
11065 "While reading CCP_QNTSTY element inside QCD or QCC marker segment, "
11066 "number of subbands (%d) is greater to OPJ_J2K_MAXBANDS (%d). So we limit the number of elements stored to "
11067 "OPJ_J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, OPJ_J2K_MAXBANDS,
11068 OPJ_J2K_MAXBANDS);
11069 /*return OPJ_FALSE;*/
11070 }
11071 }
11072
11073 #ifdef USE_JPWL
11074 if (l_cp->correct) {
11075
11076 /* if JPWL is on, we check whether there are too many subbands */
11077 if (/*(l_num_band < 0) ||*/ (l_num_band >= OPJ_J2K_MAXBANDS)) {
11078 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
11079 "JPWL: bad number of subbands in Sqcx (%d)\n",
11080 l_num_band);
11081 if (!JPWL_ASSUME) {
11082 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
11083 return OPJ_FALSE;
11084 }
11085 /* we try to correct */
11086 l_num_band = 1;
11087 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n"
11088 "- setting number of bands to %d => HYPOTHESIS!!!\n",
11089 l_num_band);
11090 };
11091
11092 };
11093 #endif /* USE_JPWL */
11094
11095 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
11096 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
11097 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* SPqcx_i */
11098 ++l_current_ptr;
11099 if (l_band_no < OPJ_J2K_MAXBANDS) {
11100 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 3);
11101 l_tccp->stepsizes[l_band_no].mant = 0;
11102 }
11103 }
11104 *p_header_size = *p_header_size - l_num_band;
11105 } else {
11106 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
11107 opj_read_bytes(l_current_ptr, &l_tmp, 2); /* SPqcx_i */
11108 l_current_ptr += 2;
11109 if (l_band_no < OPJ_J2K_MAXBANDS) {
11110 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 11);
11111 l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff;
11112 }
11113 }
11114 *p_header_size = *p_header_size - 2 * l_num_band;
11115 }
11116
11117 /* Add Antonin : if scalar_derived -> compute other stepsizes */
11118 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
11119 for (l_band_no = 1; l_band_no < OPJ_J2K_MAXBANDS; l_band_no++) {
11120 l_tccp->stepsizes[l_band_no].expn =
11121 ((OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) > 0)
11122 ?
11123 (OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) : 0;
11124 l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
11125 }
11126 }
11127
11128 return OPJ_TRUE;
11129 }
11130
opj_j2k_copy_tile_quantization_parameters(opj_j2k_t * p_j2k)11131 static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k)
11132 {
11133 OPJ_UINT32 i;
11134 opj_cp_t *l_cp = NULL;
11135 opj_tcp_t *l_tcp = NULL;
11136 opj_tccp_t *l_ref_tccp = NULL;
11137 opj_tccp_t *l_copied_tccp = NULL;
11138 OPJ_UINT32 l_size;
11139
11140 /* preconditions */
11141 assert(p_j2k != 00);
11142
11143 l_cp = &(p_j2k->m_cp);
11144 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
11145 &l_cp->tcps[p_j2k->m_current_tile_number] :
11146 p_j2k->m_specific_param.m_decoder.m_default_tcp;
11147
11148 l_ref_tccp = &l_tcp->tccps[0];
11149 l_copied_tccp = l_ref_tccp + 1;
11150 l_size = OPJ_J2K_MAXBANDS * sizeof(opj_stepsize_t);
11151
11152 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
11153 l_copied_tccp->qntsty = l_ref_tccp->qntsty;
11154 l_copied_tccp->numgbits = l_ref_tccp->numgbits;
11155 memcpy(l_copied_tccp->stepsizes, l_ref_tccp->stepsizes, l_size);
11156 ++l_copied_tccp;
11157 }
11158 }
11159
opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,OPJ_INT32 numcomps,FILE * out_stream)11160 static void opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,
11161 OPJ_INT32 numcomps, FILE* out_stream)
11162 {
11163 if (l_default_tile) {
11164 OPJ_INT32 compno;
11165
11166 fprintf(out_stream, "\t default tile {\n");
11167 fprintf(out_stream, "\t\t csty=%#x\n", l_default_tile->csty);
11168 fprintf(out_stream, "\t\t prg=%#x\n", l_default_tile->prg);
11169 fprintf(out_stream, "\t\t numlayers=%d\n", l_default_tile->numlayers);
11170 fprintf(out_stream, "\t\t mct=%x\n", l_default_tile->mct);
11171
11172 for (compno = 0; compno < numcomps; compno++) {
11173 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
11174 OPJ_UINT32 resno;
11175 OPJ_INT32 bandno, numbands;
11176
11177 /* coding style*/
11178 fprintf(out_stream, "\t\t comp %d {\n", compno);
11179 fprintf(out_stream, "\t\t\t csty=%#x\n", l_tccp->csty);
11180 fprintf(out_stream, "\t\t\t numresolutions=%d\n", l_tccp->numresolutions);
11181 fprintf(out_stream, "\t\t\t cblkw=2^%d\n", l_tccp->cblkw);
11182 fprintf(out_stream, "\t\t\t cblkh=2^%d\n", l_tccp->cblkh);
11183 fprintf(out_stream, "\t\t\t cblksty=%#x\n", l_tccp->cblksty);
11184 fprintf(out_stream, "\t\t\t qmfbid=%d\n", l_tccp->qmfbid);
11185
11186 fprintf(out_stream, "\t\t\t preccintsize (w,h)=");
11187 for (resno = 0; resno < l_tccp->numresolutions; resno++) {
11188 fprintf(out_stream, "(%d,%d) ", l_tccp->prcw[resno], l_tccp->prch[resno]);
11189 }
11190 fprintf(out_stream, "\n");
11191
11192 /* quantization style*/
11193 fprintf(out_stream, "\t\t\t qntsty=%d\n", l_tccp->qntsty);
11194 fprintf(out_stream, "\t\t\t numgbits=%d\n", l_tccp->numgbits);
11195 fprintf(out_stream, "\t\t\t stepsizes (m,e)=");
11196 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
11197 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
11198 for (bandno = 0; bandno < numbands; bandno++) {
11199 fprintf(out_stream, "(%d,%d) ", l_tccp->stepsizes[bandno].mant,
11200 l_tccp->stepsizes[bandno].expn);
11201 }
11202 fprintf(out_stream, "\n");
11203
11204 /* RGN value*/
11205 fprintf(out_stream, "\t\t\t roishift=%d\n", l_tccp->roishift);
11206
11207 fprintf(out_stream, "\t\t }\n");
11208 } /*end of component of default tile*/
11209 fprintf(out_stream, "\t }\n"); /*end of default tile*/
11210 }
11211 }
11212
j2k_dump(void * j2k,OPJ_INT32 flag,FILE * out_stream)11213 void j2k_dump(void* j2k, OPJ_INT32 flag, FILE* out_stream)
11214 {
11215 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
11216 /* Check if the flag is compatible with j2k file*/
11217 if ((flag & OPJ_JP2_INFO) || (flag & OPJ_JP2_IND)) {
11218 fprintf(out_stream, "Wrong flag\n");
11219 return;
11220 }
11221
11222 /* Dump the image_header */
11223 if (flag & OPJ_IMG_INFO) {
11224 if (p_j2k->m_private_image) {
11225 j2k_dump_image_header(p_j2k->m_private_image, 0, out_stream);
11226 }
11227 }
11228
11229 /* Dump the codestream info from main header */
11230 if (flag & OPJ_J2K_MH_INFO) {
11231 if (p_j2k->m_private_image) {
11232 opj_j2k_dump_MH_info(p_j2k, out_stream);
11233 }
11234 }
11235 /* Dump all tile/codestream info */
11236 if (flag & OPJ_J2K_TCH_INFO) {
11237 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
11238 OPJ_UINT32 i;
11239 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
11240 if (p_j2k->m_private_image) {
11241 for (i = 0; i < l_nb_tiles; ++i) {
11242 opj_j2k_dump_tile_info(l_tcp, (OPJ_INT32)p_j2k->m_private_image->numcomps,
11243 out_stream);
11244 ++l_tcp;
11245 }
11246 }
11247 }
11248
11249 /* Dump the codestream info of the current tile */
11250 if (flag & OPJ_J2K_TH_INFO) {
11251
11252 }
11253
11254 /* Dump the codestream index from main header */
11255 if (flag & OPJ_J2K_MH_IND) {
11256 opj_j2k_dump_MH_index(p_j2k, out_stream);
11257 }
11258
11259 /* Dump the codestream index of the current tile */
11260 if (flag & OPJ_J2K_TH_IND) {
11261
11262 }
11263
11264 }
11265
opj_j2k_dump_MH_index(opj_j2k_t * p_j2k,FILE * out_stream)11266 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream)
11267 {
11268 opj_codestream_index_t* cstr_index = p_j2k->cstr_index;
11269 OPJ_UINT32 it_marker, it_tile, it_tile_part;
11270
11271 fprintf(out_stream, "Codestream index from main header: {\n");
11272
11273 fprintf(out_stream, "\t Main header start position=%" PRIi64 "\n"
11274 "\t Main header end position=%" PRIi64 "\n",
11275 cstr_index->main_head_start, cstr_index->main_head_end);
11276
11277 fprintf(out_stream, "\t Marker list: {\n");
11278
11279 if (cstr_index->marker) {
11280 for (it_marker = 0; it_marker < cstr_index->marknum ; it_marker++) {
11281 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
11282 cstr_index->marker[it_marker].type,
11283 cstr_index->marker[it_marker].pos,
11284 cstr_index->marker[it_marker].len);
11285 }
11286 }
11287
11288 fprintf(out_stream, "\t }\n");
11289
11290 if (cstr_index->tile_index) {
11291
11292 /* Simple test to avoid to write empty information*/
11293 OPJ_UINT32 l_acc_nb_of_tile_part = 0;
11294 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
11295 l_acc_nb_of_tile_part += cstr_index->tile_index[it_tile].nb_tps;
11296 }
11297
11298 if (l_acc_nb_of_tile_part) {
11299 fprintf(out_stream, "\t Tile index: {\n");
11300
11301 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
11302 OPJ_UINT32 nb_of_tile_part = cstr_index->tile_index[it_tile].nb_tps;
11303
11304 fprintf(out_stream, "\t\t nb of tile-part in tile [%d]=%d\n", it_tile,
11305 nb_of_tile_part);
11306
11307 if (cstr_index->tile_index[it_tile].tp_index) {
11308 for (it_tile_part = 0; it_tile_part < nb_of_tile_part; it_tile_part++) {
11309 fprintf(out_stream, "\t\t\t tile-part[%d]: star_pos=%" PRIi64 ", end_header=%"
11310 PRIi64 ", end_pos=%" PRIi64 ".\n",
11311 it_tile_part,
11312 cstr_index->tile_index[it_tile].tp_index[it_tile_part].start_pos,
11313 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_header,
11314 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_pos);
11315 }
11316 }
11317
11318 if (cstr_index->tile_index[it_tile].marker) {
11319 for (it_marker = 0; it_marker < cstr_index->tile_index[it_tile].marknum ;
11320 it_marker++) {
11321 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
11322 cstr_index->tile_index[it_tile].marker[it_marker].type,
11323 cstr_index->tile_index[it_tile].marker[it_marker].pos,
11324 cstr_index->tile_index[it_tile].marker[it_marker].len);
11325 }
11326 }
11327 }
11328 fprintf(out_stream, "\t }\n");
11329 }
11330 }
11331
11332 fprintf(out_stream, "}\n");
11333
11334 }
11335
11336
opj_j2k_dump_MH_info(opj_j2k_t * p_j2k,FILE * out_stream)11337 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream)
11338 {
11339
11340 fprintf(out_stream, "Codestream info from main header: {\n");
11341
11342 fprintf(out_stream, "\t tx0=%d, ty0=%d\n", p_j2k->m_cp.tx0, p_j2k->m_cp.ty0);
11343 fprintf(out_stream, "\t tdx=%d, tdy=%d\n", p_j2k->m_cp.tdx, p_j2k->m_cp.tdy);
11344 fprintf(out_stream, "\t tw=%d, th=%d\n", p_j2k->m_cp.tw, p_j2k->m_cp.th);
11345 opj_j2k_dump_tile_info(p_j2k->m_specific_param.m_decoder.m_default_tcp,
11346 (OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream);
11347 fprintf(out_stream, "}\n");
11348 }
11349
j2k_dump_image_header(opj_image_t * img_header,OPJ_BOOL dev_dump_flag,FILE * out_stream)11350 void j2k_dump_image_header(opj_image_t* img_header, OPJ_BOOL dev_dump_flag,
11351 FILE* out_stream)
11352 {
11353 char tab[2];
11354
11355 if (dev_dump_flag) {
11356 fprintf(stdout, "[DEV] Dump an image_header struct {\n");
11357 tab[0] = '\0';
11358 } else {
11359 fprintf(out_stream, "Image info {\n");
11360 tab[0] = '\t';
11361 tab[1] = '\0';
11362 }
11363
11364 fprintf(out_stream, "%s x0=%d, y0=%d\n", tab, img_header->x0, img_header->y0);
11365 fprintf(out_stream, "%s x1=%d, y1=%d\n", tab, img_header->x1,
11366 img_header->y1);
11367 fprintf(out_stream, "%s numcomps=%d\n", tab, img_header->numcomps);
11368
11369 if (img_header->comps) {
11370 OPJ_UINT32 compno;
11371 for (compno = 0; compno < img_header->numcomps; compno++) {
11372 fprintf(out_stream, "%s\t component %d {\n", tab, compno);
11373 j2k_dump_image_comp_header(&(img_header->comps[compno]), dev_dump_flag,
11374 out_stream);
11375 fprintf(out_stream, "%s}\n", tab);
11376 }
11377 }
11378
11379 fprintf(out_stream, "}\n");
11380 }
11381
j2k_dump_image_comp_header(opj_image_comp_t * comp_header,OPJ_BOOL dev_dump_flag,FILE * out_stream)11382 void j2k_dump_image_comp_header(opj_image_comp_t* comp_header,
11383 OPJ_BOOL dev_dump_flag, FILE* out_stream)
11384 {
11385 char tab[3];
11386
11387 if (dev_dump_flag) {
11388 fprintf(stdout, "[DEV] Dump an image_comp_header struct {\n");
11389 tab[0] = '\0';
11390 } else {
11391 tab[0] = '\t';
11392 tab[1] = '\t';
11393 tab[2] = '\0';
11394 }
11395
11396 fprintf(out_stream, "%s dx=%d, dy=%d\n", tab, comp_header->dx, comp_header->dy);
11397 fprintf(out_stream, "%s prec=%d\n", tab, comp_header->prec);
11398 fprintf(out_stream, "%s sgnd=%d\n", tab, comp_header->sgnd);
11399
11400 if (dev_dump_flag) {
11401 fprintf(out_stream, "}\n");
11402 }
11403 }
11404
j2k_get_cstr_info(void * j2k)11405 opj_codestream_info_v2_t* j2k_get_cstr_info(void* j2k)
11406 {
11407 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
11408 OPJ_UINT32 compno;
11409 OPJ_UINT32 numcomps = p_j2k->m_private_image->numcomps;
11410 opj_tcp_t *l_default_tile;
11411 opj_codestream_info_v2_t* cstr_info = (opj_codestream_info_v2_t*) opj_calloc(1,
11412 sizeof(opj_codestream_info_v2_t));
11413 if (!cstr_info) {
11414 return NULL;
11415 }
11416
11417 cstr_info->nbcomps = p_j2k->m_private_image->numcomps;
11418
11419 cstr_info->tx0 = p_j2k->m_cp.tx0;
11420 cstr_info->ty0 = p_j2k->m_cp.ty0;
11421 cstr_info->tdx = p_j2k->m_cp.tdx;
11422 cstr_info->tdy = p_j2k->m_cp.tdy;
11423 cstr_info->tw = p_j2k->m_cp.tw;
11424 cstr_info->th = p_j2k->m_cp.th;
11425
11426 cstr_info->tile_info = NULL; /* Not fill from the main header*/
11427
11428 l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
11429
11430 cstr_info->m_default_tile_info.csty = l_default_tile->csty;
11431 cstr_info->m_default_tile_info.prg = l_default_tile->prg;
11432 cstr_info->m_default_tile_info.numlayers = l_default_tile->numlayers;
11433 cstr_info->m_default_tile_info.mct = l_default_tile->mct;
11434
11435 cstr_info->m_default_tile_info.tccp_info = (opj_tccp_info_t*) opj_calloc(
11436 cstr_info->nbcomps, sizeof(opj_tccp_info_t));
11437 if (!cstr_info->m_default_tile_info.tccp_info) {
11438 opj_destroy_cstr_info(&cstr_info);
11439 return NULL;
11440 }
11441
11442 for (compno = 0; compno < numcomps; compno++) {
11443 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
11444 opj_tccp_info_t *l_tccp_info = &
11445 (cstr_info->m_default_tile_info.tccp_info[compno]);
11446 OPJ_INT32 bandno, numbands;
11447
11448 /* coding style*/
11449 l_tccp_info->csty = l_tccp->csty;
11450 l_tccp_info->numresolutions = l_tccp->numresolutions;
11451 l_tccp_info->cblkw = l_tccp->cblkw;
11452 l_tccp_info->cblkh = l_tccp->cblkh;
11453 l_tccp_info->cblksty = l_tccp->cblksty;
11454 l_tccp_info->qmfbid = l_tccp->qmfbid;
11455 if (l_tccp->numresolutions < OPJ_J2K_MAXRLVLS) {
11456 memcpy(l_tccp_info->prch, l_tccp->prch, l_tccp->numresolutions);
11457 memcpy(l_tccp_info->prcw, l_tccp->prcw, l_tccp->numresolutions);
11458 }
11459
11460 /* quantization style*/
11461 l_tccp_info->qntsty = l_tccp->qntsty;
11462 l_tccp_info->numgbits = l_tccp->numgbits;
11463
11464 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
11465 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
11466 if (numbands < OPJ_J2K_MAXBANDS) {
11467 for (bandno = 0; bandno < numbands; bandno++) {
11468 l_tccp_info->stepsizes_mant[bandno] = (OPJ_UINT32)
11469 l_tccp->stepsizes[bandno].mant;
11470 l_tccp_info->stepsizes_expn[bandno] = (OPJ_UINT32)
11471 l_tccp->stepsizes[bandno].expn;
11472 }
11473 }
11474
11475 /* RGN value*/
11476 l_tccp_info->roishift = l_tccp->roishift;
11477 }
11478
11479 return cstr_info;
11480 }
11481
j2k_get_cstr_index(void * j2k)11482 opj_codestream_index_t* j2k_get_cstr_index(void* j2k)
11483 {
11484 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
11485 opj_codestream_index_t* l_cstr_index = (opj_codestream_index_t*)
11486 opj_calloc(1, sizeof(opj_codestream_index_t));
11487 if (!l_cstr_index) {
11488 return NULL;
11489 }
11490
11491 l_cstr_index->main_head_start = p_j2k->cstr_index->main_head_start;
11492 l_cstr_index->main_head_end = p_j2k->cstr_index->main_head_end;
11493 l_cstr_index->codestream_size = p_j2k->cstr_index->codestream_size;
11494
11495 l_cstr_index->marknum = p_j2k->cstr_index->marknum;
11496 l_cstr_index->marker = (opj_marker_info_t*)opj_malloc(l_cstr_index->marknum *
11497 sizeof(opj_marker_info_t));
11498 if (!l_cstr_index->marker) {
11499 opj_free(l_cstr_index);
11500 return NULL;
11501 }
11502
11503 if (p_j2k->cstr_index->marker) {
11504 memcpy(l_cstr_index->marker, p_j2k->cstr_index->marker,
11505 l_cstr_index->marknum * sizeof(opj_marker_info_t));
11506 } else {
11507 opj_free(l_cstr_index->marker);
11508 l_cstr_index->marker = NULL;
11509 }
11510
11511 l_cstr_index->nb_of_tiles = p_j2k->cstr_index->nb_of_tiles;
11512 l_cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
11513 l_cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
11514 if (!l_cstr_index->tile_index) {
11515 opj_free(l_cstr_index->marker);
11516 opj_free(l_cstr_index);
11517 return NULL;
11518 }
11519
11520 if (!p_j2k->cstr_index->tile_index) {
11521 opj_free(l_cstr_index->tile_index);
11522 l_cstr_index->tile_index = NULL;
11523 } else {
11524 OPJ_UINT32 it_tile = 0;
11525 for (it_tile = 0; it_tile < l_cstr_index->nb_of_tiles; it_tile++) {
11526
11527 /* Tile Marker*/
11528 l_cstr_index->tile_index[it_tile].marknum =
11529 p_j2k->cstr_index->tile_index[it_tile].marknum;
11530
11531 l_cstr_index->tile_index[it_tile].marker =
11532 (opj_marker_info_t*)opj_malloc(l_cstr_index->tile_index[it_tile].marknum *
11533 sizeof(opj_marker_info_t));
11534
11535 if (!l_cstr_index->tile_index[it_tile].marker) {
11536 OPJ_UINT32 it_tile_free;
11537
11538 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
11539 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
11540 }
11541
11542 opj_free(l_cstr_index->tile_index);
11543 opj_free(l_cstr_index->marker);
11544 opj_free(l_cstr_index);
11545 return NULL;
11546 }
11547
11548 if (p_j2k->cstr_index->tile_index[it_tile].marker)
11549 memcpy(l_cstr_index->tile_index[it_tile].marker,
11550 p_j2k->cstr_index->tile_index[it_tile].marker,
11551 l_cstr_index->tile_index[it_tile].marknum * sizeof(opj_marker_info_t));
11552 else {
11553 opj_free(l_cstr_index->tile_index[it_tile].marker);
11554 l_cstr_index->tile_index[it_tile].marker = NULL;
11555 }
11556
11557 /* Tile part index*/
11558 l_cstr_index->tile_index[it_tile].nb_tps =
11559 p_j2k->cstr_index->tile_index[it_tile].nb_tps;
11560
11561 l_cstr_index->tile_index[it_tile].tp_index =
11562 (opj_tp_index_t*)opj_malloc(l_cstr_index->tile_index[it_tile].nb_tps * sizeof(
11563 opj_tp_index_t));
11564
11565 if (!l_cstr_index->tile_index[it_tile].tp_index) {
11566 OPJ_UINT32 it_tile_free;
11567
11568 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
11569 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
11570 opj_free(l_cstr_index->tile_index[it_tile_free].tp_index);
11571 }
11572
11573 opj_free(l_cstr_index->tile_index);
11574 opj_free(l_cstr_index->marker);
11575 opj_free(l_cstr_index);
11576 return NULL;
11577 }
11578
11579 if (p_j2k->cstr_index->tile_index[it_tile].tp_index) {
11580 memcpy(l_cstr_index->tile_index[it_tile].tp_index,
11581 p_j2k->cstr_index->tile_index[it_tile].tp_index,
11582 l_cstr_index->tile_index[it_tile].nb_tps * sizeof(opj_tp_index_t));
11583 } else {
11584 opj_free(l_cstr_index->tile_index[it_tile].tp_index);
11585 l_cstr_index->tile_index[it_tile].tp_index = NULL;
11586 }
11587
11588 /* Packet index (NOT USED)*/
11589 l_cstr_index->tile_index[it_tile].nb_packet = 0;
11590 l_cstr_index->tile_index[it_tile].packet_index = NULL;
11591
11592 }
11593 }
11594
11595 return l_cstr_index;
11596 }
11597
opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t * p_j2k)11598 static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k)
11599 {
11600 OPJ_UINT32 it_tile = 0;
11601
11602 p_j2k->cstr_index->nb_of_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
11603 p_j2k->cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
11604 p_j2k->cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
11605 if (!p_j2k->cstr_index->tile_index) {
11606 return OPJ_FALSE;
11607 }
11608
11609 for (it_tile = 0; it_tile < p_j2k->cstr_index->nb_of_tiles; it_tile++) {
11610 p_j2k->cstr_index->tile_index[it_tile].maxmarknum = 100;
11611 p_j2k->cstr_index->tile_index[it_tile].marknum = 0;
11612 p_j2k->cstr_index->tile_index[it_tile].marker = (opj_marker_info_t*)
11613 opj_calloc(p_j2k->cstr_index->tile_index[it_tile].maxmarknum,
11614 sizeof(opj_marker_info_t));
11615 if (!p_j2k->cstr_index->tile_index[it_tile].marker) {
11616 return OPJ_FALSE;
11617 }
11618 }
11619
11620 return OPJ_TRUE;
11621 }
11622
opj_j2k_are_all_used_components_decoded(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)11623 static OPJ_BOOL opj_j2k_are_all_used_components_decoded(opj_j2k_t *p_j2k,
11624 opj_event_mgr_t * p_manager)
11625 {
11626 OPJ_UINT32 compno;
11627 OPJ_BOOL decoded_all_used_components = OPJ_TRUE;
11628
11629 if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode) {
11630 for (compno = 0;
11631 compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
11632 OPJ_UINT32 dec_compno =
11633 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
11634 if (p_j2k->m_output_image->comps[dec_compno].data == NULL) {
11635 opj_event_msg(p_manager, EVT_WARNING, "Failed to decode component %d\n",
11636 dec_compno);
11637 decoded_all_used_components = OPJ_FALSE;
11638 }
11639 }
11640 } else {
11641 for (compno = 0; compno < p_j2k->m_output_image->numcomps; compno++) {
11642 if (p_j2k->m_output_image->comps[compno].data == NULL) {
11643 opj_event_msg(p_manager, EVT_WARNING, "Failed to decode component %d\n",
11644 compno);
11645 decoded_all_used_components = OPJ_FALSE;
11646 }
11647 }
11648 }
11649
11650 if (decoded_all_used_components == OPJ_FALSE) {
11651 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode all used components\n");
11652 return OPJ_FALSE;
11653 }
11654
11655 return OPJ_TRUE;
11656 }
11657
11658
opj_j2k_decode_tiles(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)11659 static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
11660 opj_stream_private_t *p_stream,
11661 opj_event_mgr_t * p_manager)
11662 {
11663 OPJ_BOOL l_go_on = OPJ_TRUE;
11664 OPJ_UINT32 l_current_tile_no;
11665 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
11666 OPJ_UINT32 l_nb_comps;
11667 OPJ_UINT32 nr_tiles = 0;
11668
11669 /* Particular case for whole single tile decoding */
11670 /* We can avoid allocating intermediate tile buffers */
11671 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
11672 p_j2k->m_cp.tx0 == 0 && p_j2k->m_cp.ty0 == 0 &&
11673 p_j2k->m_output_image->x0 == 0 &&
11674 p_j2k->m_output_image->y0 == 0 &&
11675 p_j2k->m_output_image->x1 == p_j2k->m_cp.tdx &&
11676 p_j2k->m_output_image->y1 == p_j2k->m_cp.tdy) {
11677 OPJ_UINT32 i;
11678 if (! opj_j2k_read_tile_header(p_j2k,
11679 &l_current_tile_no,
11680 NULL,
11681 &l_tile_x0, &l_tile_y0,
11682 &l_tile_x1, &l_tile_y1,
11683 &l_nb_comps,
11684 &l_go_on,
11685 p_stream,
11686 p_manager)) {
11687 return OPJ_FALSE;
11688 }
11689
11690 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
11691 p_stream, p_manager)) {
11692 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile 1/1\n");
11693 return OPJ_FALSE;
11694 }
11695
11696 /* Transfer TCD data to output image data */
11697 for (i = 0; i < p_j2k->m_output_image->numcomps; i++) {
11698 opj_image_data_free(p_j2k->m_output_image->comps[i].data);
11699 p_j2k->m_output_image->comps[i].data =
11700 p_j2k->m_tcd->tcd_image->tiles->comps[i].data;
11701 p_j2k->m_output_image->comps[i].resno_decoded =
11702 p_j2k->m_tcd->image->comps[i].resno_decoded;
11703 p_j2k->m_tcd->tcd_image->tiles->comps[i].data = NULL;
11704 }
11705
11706 return OPJ_TRUE;
11707 }
11708
11709 for (;;) {
11710 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
11711 p_j2k->m_cp.tcps[0].m_data != NULL) {
11712 l_current_tile_no = 0;
11713 p_j2k->m_current_tile_number = 0;
11714 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
11715 } else {
11716 if (! opj_j2k_read_tile_header(p_j2k,
11717 &l_current_tile_no,
11718 NULL,
11719 &l_tile_x0, &l_tile_y0,
11720 &l_tile_x1, &l_tile_y1,
11721 &l_nb_comps,
11722 &l_go_on,
11723 p_stream,
11724 p_manager)) {
11725 return OPJ_FALSE;
11726 }
11727
11728 if (! l_go_on) {
11729 break;
11730 }
11731 }
11732
11733 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
11734 p_stream, p_manager)) {
11735 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile %d/%d\n",
11736 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
11737 return OPJ_FALSE;
11738 }
11739
11740 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
11741 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
11742
11743 if (! opj_j2k_update_image_data(p_j2k->m_tcd,
11744 p_j2k->m_output_image)) {
11745 return OPJ_FALSE;
11746 }
11747
11748 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
11749 !(p_j2k->m_output_image->x0 == p_j2k->m_private_image->x0 &&
11750 p_j2k->m_output_image->y0 == p_j2k->m_private_image->y0 &&
11751 p_j2k->m_output_image->x1 == p_j2k->m_private_image->x1 &&
11752 p_j2k->m_output_image->y1 == p_j2k->m_private_image->y1)) {
11753 /* Keep current tcp data */
11754 } else {
11755 opj_j2k_tcp_data_destroy(&p_j2k->m_cp.tcps[l_current_tile_no]);
11756 }
11757
11758 opj_event_msg(p_manager, EVT_INFO,
11759 "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
11760
11761 if (opj_stream_get_number_byte_left(p_stream) == 0
11762 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
11763 break;
11764 }
11765 if (++nr_tiles == p_j2k->m_cp.th * p_j2k->m_cp.tw) {
11766 break;
11767 }
11768 }
11769
11770 if (! opj_j2k_are_all_used_components_decoded(p_j2k, p_manager)) {
11771 return OPJ_FALSE;
11772 }
11773
11774 return OPJ_TRUE;
11775 }
11776
11777 /**
11778 * Sets up the procedures to do on decoding data. Developers wanting to extend the library can add their own reading procedures.
11779 */
opj_j2k_setup_decoding(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)11780 static OPJ_BOOL opj_j2k_setup_decoding(opj_j2k_t *p_j2k,
11781 opj_event_mgr_t * p_manager)
11782 {
11783 /* preconditions*/
11784 assert(p_j2k != 00);
11785 assert(p_manager != 00);
11786
11787 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11788 (opj_procedure)opj_j2k_decode_tiles, p_manager)) {
11789 return OPJ_FALSE;
11790 }
11791 /* DEVELOPER CORNER, add your custom procedures */
11792
11793 return OPJ_TRUE;
11794 }
11795
11796 /*
11797 * Read and decode one tile.
11798 */
opj_j2k_decode_one_tile(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)11799 static OPJ_BOOL opj_j2k_decode_one_tile(opj_j2k_t *p_j2k,
11800 opj_stream_private_t *p_stream,
11801 opj_event_mgr_t * p_manager)
11802 {
11803 OPJ_BOOL l_go_on = OPJ_TRUE;
11804 OPJ_UINT32 l_current_tile_no;
11805 OPJ_UINT32 l_tile_no_to_dec;
11806 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
11807 OPJ_UINT32 l_nb_comps;
11808 OPJ_UINT32 l_nb_tiles;
11809 OPJ_UINT32 i;
11810
11811 /*Allocate and initialize some elements of codestrem index if not already done*/
11812 if (!p_j2k->cstr_index->tile_index) {
11813 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
11814 return OPJ_FALSE;
11815 }
11816 }
11817 /* Move into the codestream to the first SOT used to decode the desired tile */
11818 l_tile_no_to_dec = (OPJ_UINT32)
11819 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec;
11820 if (p_j2k->cstr_index->tile_index)
11821 if (p_j2k->cstr_index->tile_index->tp_index) {
11822 if (! p_j2k->cstr_index->tile_index[l_tile_no_to_dec].nb_tps) {
11823 /* the index for this tile has not been built,
11824 * so move to the last SOT read */
11825 if (!(opj_stream_read_seek(p_stream,
11826 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos + 2, p_manager))) {
11827 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
11828 return OPJ_FALSE;
11829 }
11830 } else {
11831 if (!(opj_stream_read_seek(p_stream,
11832 p_j2k->cstr_index->tile_index[l_tile_no_to_dec].tp_index[0].start_pos + 2,
11833 p_manager))) {
11834 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
11835 return OPJ_FALSE;
11836 }
11837 }
11838 /* Special case if we have previously read the EOC marker (if the previous tile getted is the last ) */
11839 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
11840 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
11841 }
11842 }
11843
11844 /* Reset current tile part number for all tiles, and not only the one */
11845 /* of interest. */
11846 /* Not completely sure this is always correct but required for */
11847 /* ./build/bin/j2k_random_tile_access ./build/tests/tte1.j2k */
11848 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
11849 for (i = 0; i < l_nb_tiles; ++i) {
11850 p_j2k->m_cp.tcps[i].m_current_tile_part_number = -1;
11851 }
11852
11853 for (;;) {
11854 if (! opj_j2k_read_tile_header(p_j2k,
11855 &l_current_tile_no,
11856 NULL,
11857 &l_tile_x0, &l_tile_y0,
11858 &l_tile_x1, &l_tile_y1,
11859 &l_nb_comps,
11860 &l_go_on,
11861 p_stream,
11862 p_manager)) {
11863 return OPJ_FALSE;
11864 }
11865
11866 if (! l_go_on) {
11867 break;
11868 }
11869
11870 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
11871 p_stream, p_manager)) {
11872 return OPJ_FALSE;
11873 }
11874 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
11875 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
11876
11877 if (! opj_j2k_update_image_data(p_j2k->m_tcd,
11878 p_j2k->m_output_image)) {
11879 return OPJ_FALSE;
11880 }
11881 opj_j2k_tcp_data_destroy(&p_j2k->m_cp.tcps[l_current_tile_no]);
11882
11883 opj_event_msg(p_manager, EVT_INFO,
11884 "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
11885
11886 if (l_current_tile_no == l_tile_no_to_dec) {
11887 /* move into the codestream to the first SOT (FIXME or not move?)*/
11888 if (!(opj_stream_read_seek(p_stream, p_j2k->cstr_index->main_head_end + 2,
11889 p_manager))) {
11890 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
11891 return OPJ_FALSE;
11892 }
11893 break;
11894 } else {
11895 opj_event_msg(p_manager, EVT_WARNING,
11896 "Tile read, decoded and updated is not the desired one (%d vs %d).\n",
11897 l_current_tile_no + 1, l_tile_no_to_dec + 1);
11898 }
11899
11900 }
11901
11902 if (! opj_j2k_are_all_used_components_decoded(p_j2k, p_manager)) {
11903 return OPJ_FALSE;
11904 }
11905
11906 return OPJ_TRUE;
11907 }
11908
11909 /**
11910 * Sets up the procedures to do on decoding one tile. Developers wanting to extend the library can add their own reading procedures.
11911 */
opj_j2k_setup_decoding_tile(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)11912 static OPJ_BOOL opj_j2k_setup_decoding_tile(opj_j2k_t *p_j2k,
11913 opj_event_mgr_t * p_manager)
11914 {
11915 /* preconditions*/
11916 assert(p_j2k != 00);
11917 assert(p_manager != 00);
11918
11919 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11920 (opj_procedure)opj_j2k_decode_one_tile, p_manager)) {
11921 return OPJ_FALSE;
11922 }
11923 /* DEVELOPER CORNER, add your custom procedures */
11924
11925 return OPJ_TRUE;
11926 }
11927
opj_j2k_move_data_from_codec_to_output_image(opj_j2k_t * p_j2k,opj_image_t * p_image)11928 static OPJ_BOOL opj_j2k_move_data_from_codec_to_output_image(opj_j2k_t * p_j2k,
11929 opj_image_t * p_image)
11930 {
11931 OPJ_UINT32 compno;
11932
11933 /* Move data and copy one information from codec to output image*/
11934 if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode > 0) {
11935 opj_image_comp_t* newcomps =
11936 (opj_image_comp_t*) opj_malloc(
11937 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode *
11938 sizeof(opj_image_comp_t));
11939 if (newcomps == NULL) {
11940 opj_image_destroy(p_j2k->m_private_image);
11941 p_j2k->m_private_image = NULL;
11942 return OPJ_FALSE;
11943 }
11944 for (compno = 0; compno < p_image->numcomps; compno++) {
11945 opj_image_data_free(p_image->comps[compno].data);
11946 p_image->comps[compno].data = NULL;
11947 }
11948 for (compno = 0;
11949 compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
11950 OPJ_UINT32 src_compno =
11951 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
11952 memcpy(&(newcomps[compno]),
11953 &(p_j2k->m_output_image->comps[src_compno]),
11954 sizeof(opj_image_comp_t));
11955 newcomps[compno].resno_decoded =
11956 p_j2k->m_output_image->comps[src_compno].resno_decoded;
11957 newcomps[compno].data = p_j2k->m_output_image->comps[src_compno].data;
11958 p_j2k->m_output_image->comps[src_compno].data = NULL;
11959 }
11960 for (compno = 0; compno < p_image->numcomps; compno++) {
11961 assert(p_j2k->m_output_image->comps[compno].data == NULL);
11962 opj_image_data_free(p_j2k->m_output_image->comps[compno].data);
11963 p_j2k->m_output_image->comps[compno].data = NULL;
11964 }
11965 p_image->numcomps = p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode;
11966 opj_free(p_image->comps);
11967 p_image->comps = newcomps;
11968 } else {
11969 for (compno = 0; compno < p_image->numcomps; compno++) {
11970 p_image->comps[compno].resno_decoded =
11971 p_j2k->m_output_image->comps[compno].resno_decoded;
11972 opj_image_data_free(p_image->comps[compno].data);
11973 p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
11974 #if 0
11975 char fn[256];
11976 snprintf(fn, sizeof fn, "/tmp/%d.raw", compno);
11977 FILE *debug = fopen(fn, "wb");
11978 fwrite(p_image->comps[compno].data, sizeof(OPJ_INT32),
11979 p_image->comps[compno].w * p_image->comps[compno].h, debug);
11980 fclose(debug);
11981 #endif
11982 p_j2k->m_output_image->comps[compno].data = NULL;
11983 }
11984 }
11985 return OPJ_TRUE;
11986 }
11987
opj_j2k_decode(void * j2k,opj_stream_private_t * p_stream,opj_image_t * p_image,opj_event_mgr_t * p_manager)11988 OPJ_BOOL opj_j2k_decode(void * j2k,
11989 opj_stream_private_t * p_stream,
11990 opj_image_t * p_image,
11991 opj_event_mgr_t * p_manager)
11992 {
11993 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
11994 if (!p_image) {
11995 return OPJ_FALSE;
11996 }
11997
11998 /* Heuristics to detect sequence opj_read_header(), opj_set_decoded_resolution_factor() */
11999 /* and finally opj_decode_image() without manual setting of comps[].factor */
12000 /* We could potentially always execute it, if we don't allow people to do */
12001 /* opj_read_header(), modify x0,y0,x1,y1 of returned image an call opj_decode_image() */
12002 if (p_j2k->m_cp.m_specific_param.m_dec.m_reduce > 0 &&
12003 p_j2k->m_private_image != NULL &&
12004 p_j2k->m_private_image->numcomps > 0 &&
12005 p_j2k->m_private_image->comps[0].factor ==
12006 p_j2k->m_cp.m_specific_param.m_dec.m_reduce &&
12007 p_image->numcomps > 0 &&
12008 p_image->comps[0].factor == 0 &&
12009 /* Don't mess with image dimension if the user has allocated it */
12010 p_image->comps[0].data == NULL) {
12011 OPJ_UINT32 it_comp;
12012
12013 /* Update the comps[].factor member of the output image with the one */
12014 /* of m_reduce */
12015 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
12016 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
12017 }
12018 if (!opj_j2k_update_image_dimensions(p_image, p_manager)) {
12019 return OPJ_FALSE;
12020 }
12021 }
12022
12023 if (p_j2k->m_output_image == NULL) {
12024 p_j2k->m_output_image = opj_image_create0();
12025 if (!(p_j2k->m_output_image)) {
12026 return OPJ_FALSE;
12027 }
12028 }
12029 opj_copy_image_header(p_image, p_j2k->m_output_image);
12030
12031 /* customization of the decoding */
12032 if (!opj_j2k_setup_decoding(p_j2k, p_manager)) {
12033 return OPJ_FALSE;
12034 }
12035
12036 /* Decode the codestream */
12037 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
12038 opj_image_destroy(p_j2k->m_private_image);
12039 p_j2k->m_private_image = NULL;
12040 return OPJ_FALSE;
12041 }
12042
12043 /* Move data and copy one information from codec to output image*/
12044 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
12045 }
12046
opj_j2k_get_tile(void * j2k,opj_stream_private_t * p_stream,opj_image_t * p_image,opj_event_mgr_t * p_manager,OPJ_UINT32 tile_index)12047 OPJ_BOOL opj_j2k_get_tile(void *j2k,
12048 opj_stream_private_t *p_stream,
12049 opj_image_t* p_image,
12050 opj_event_mgr_t * p_manager,
12051 OPJ_UINT32 tile_index)
12052 {
12053 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
12054 OPJ_UINT32 compno;
12055 OPJ_UINT32 l_tile_x, l_tile_y;
12056 opj_image_comp_t* l_img_comp;
12057
12058 if (!p_image) {
12059 opj_event_msg(p_manager, EVT_ERROR, "We need an image previously created.\n");
12060 return OPJ_FALSE;
12061 }
12062
12063 if (p_image->numcomps < p_j2k->m_private_image->numcomps) {
12064 opj_event_msg(p_manager, EVT_ERROR,
12065 "Image has less components than codestream.\n");
12066 return OPJ_FALSE;
12067 }
12068
12069 if (/*(tile_index < 0) &&*/ (tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th)) {
12070 opj_event_msg(p_manager, EVT_ERROR,
12071 "Tile index provided by the user is incorrect %d (max = %d) \n", tile_index,
12072 (p_j2k->m_cp.tw * p_j2k->m_cp.th) - 1);
12073 return OPJ_FALSE;
12074 }
12075
12076 /* Compute the dimension of the desired tile*/
12077 l_tile_x = tile_index % p_j2k->m_cp.tw;
12078 l_tile_y = tile_index / p_j2k->m_cp.tw;
12079
12080 p_image->x0 = l_tile_x * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
12081 if (p_image->x0 < p_j2k->m_private_image->x0) {
12082 p_image->x0 = p_j2k->m_private_image->x0;
12083 }
12084 p_image->x1 = (l_tile_x + 1) * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
12085 if (p_image->x1 > p_j2k->m_private_image->x1) {
12086 p_image->x1 = p_j2k->m_private_image->x1;
12087 }
12088
12089 p_image->y0 = l_tile_y * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
12090 if (p_image->y0 < p_j2k->m_private_image->y0) {
12091 p_image->y0 = p_j2k->m_private_image->y0;
12092 }
12093 p_image->y1 = (l_tile_y + 1) * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
12094 if (p_image->y1 > p_j2k->m_private_image->y1) {
12095 p_image->y1 = p_j2k->m_private_image->y1;
12096 }
12097
12098 l_img_comp = p_image->comps;
12099 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
12100 OPJ_INT32 l_comp_x1, l_comp_y1;
12101
12102 l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
12103
12104 l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
12105 l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
12106 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
12107 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
12108
12109 l_img_comp->w = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_x1,
12110 (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0,
12111 (OPJ_INT32)l_img_comp->factor));
12112 l_img_comp->h = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_y1,
12113 (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0,
12114 (OPJ_INT32)l_img_comp->factor));
12115
12116 l_img_comp++;
12117 }
12118
12119 if (p_image->numcomps > p_j2k->m_private_image->numcomps) {
12120 /* Can happen when calling repeatdly opj_get_decoded_tile() on an
12121 * image with a color palette, where color palette expansion is done
12122 * later in jp2.c */
12123 for (compno = p_j2k->m_private_image->numcomps; compno < p_image->numcomps;
12124 ++compno) {
12125 opj_image_data_free(p_image->comps[compno].data);
12126 p_image->comps[compno].data = NULL;
12127 }
12128 p_image->numcomps = p_j2k->m_private_image->numcomps;
12129 }
12130
12131 /* Destroy the previous output image*/
12132 if (p_j2k->m_output_image) {
12133 opj_image_destroy(p_j2k->m_output_image);
12134 }
12135
12136 /* Create the output image from the information previously computed*/
12137 p_j2k->m_output_image = opj_image_create0();
12138 if (!(p_j2k->m_output_image)) {
12139 return OPJ_FALSE;
12140 }
12141 opj_copy_image_header(p_image, p_j2k->m_output_image);
12142
12143 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = (OPJ_INT32)tile_index;
12144
12145 /* customization of the decoding */
12146 if (!opj_j2k_setup_decoding_tile(p_j2k, p_manager)) {
12147 return OPJ_FALSE;
12148 }
12149
12150 /* Decode the codestream */
12151 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
12152 opj_image_destroy(p_j2k->m_private_image);
12153 p_j2k->m_private_image = NULL;
12154 return OPJ_FALSE;
12155 }
12156
12157 /* Move data and copy one information from codec to output image*/
12158 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
12159 }
12160
opj_j2k_set_decoded_resolution_factor(void * j2k,OPJ_UINT32 res_factor,opj_event_mgr_t * p_manager)12161 OPJ_BOOL opj_j2k_set_decoded_resolution_factor(void *j2k,
12162 OPJ_UINT32 res_factor,
12163 opj_event_mgr_t * p_manager)
12164 {
12165 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
12166 OPJ_UINT32 it_comp;
12167
12168 p_j2k->m_cp.m_specific_param.m_dec.m_reduce = res_factor;
12169
12170 if (p_j2k->m_private_image) {
12171 if (p_j2k->m_private_image->comps) {
12172 if (p_j2k->m_specific_param.m_decoder.m_default_tcp) {
12173 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps) {
12174 for (it_comp = 0 ; it_comp < p_j2k->m_private_image->numcomps; it_comp++) {
12175 OPJ_UINT32 max_res =
12176 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[it_comp].numresolutions;
12177 if (res_factor >= max_res) {
12178 opj_event_msg(p_manager, EVT_ERROR,
12179 "Resolution factor is greater than the maximum resolution in the component.\n");
12180 return OPJ_FALSE;
12181 }
12182 p_j2k->m_private_image->comps[it_comp].factor = res_factor;
12183 }
12184 return OPJ_TRUE;
12185 }
12186 }
12187 }
12188 }
12189
12190 return OPJ_FALSE;
12191 }
12192
12193 /* ----------------------------------------------------------------------- */
12194
opj_j2k_encoder_set_extra_options(void * j2k,const char * const * p_options,opj_event_mgr_t * p_manager)12195 OPJ_BOOL opj_j2k_encoder_set_extra_options(
12196 void *j2k,
12197 const char* const* p_options,
12198 opj_event_mgr_t * p_manager)
12199 {
12200 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
12201 const char* const* p_option_iter;
12202
12203 if (p_options == NULL) {
12204 return OPJ_TRUE;
12205 }
12206
12207 for (p_option_iter = p_options; *p_option_iter != NULL; ++p_option_iter) {
12208 if (strncmp(*p_option_iter, "PLT=", 4) == 0) {
12209 if (strcmp(*p_option_iter, "PLT=YES") == 0) {
12210 p_j2k->m_specific_param.m_encoder.m_PLT = OPJ_TRUE;
12211 } else if (strcmp(*p_option_iter, "PLT=NO") == 0) {
12212 p_j2k->m_specific_param.m_encoder.m_PLT = OPJ_FALSE;
12213 } else {
12214 opj_event_msg(p_manager, EVT_ERROR,
12215 "Invalid value for option: %s.\n", *p_option_iter);
12216 return OPJ_FALSE;
12217 }
12218 } else if (strncmp(*p_option_iter, "TLM=", 4) == 0) {
12219 if (strcmp(*p_option_iter, "TLM=YES") == 0) {
12220 p_j2k->m_specific_param.m_encoder.m_TLM = OPJ_TRUE;
12221 } else if (strcmp(*p_option_iter, "TLM=NO") == 0) {
12222 p_j2k->m_specific_param.m_encoder.m_TLM = OPJ_FALSE;
12223 } else {
12224 opj_event_msg(p_manager, EVT_ERROR,
12225 "Invalid value for option: %s.\n", *p_option_iter);
12226 return OPJ_FALSE;
12227 }
12228 } else if (strncmp(*p_option_iter, "GUARD_BITS=", strlen("GUARD_BITS=")) == 0) {
12229 OPJ_UINT32 tileno;
12230 opj_cp_t *cp = cp = &(p_j2k->m_cp);
12231
12232 int numgbits = atoi(*p_option_iter + strlen("GUARD_BITS="));
12233 if (numgbits < 0 || numgbits > 7) {
12234 opj_event_msg(p_manager, EVT_ERROR,
12235 "Invalid value for option: %s. Should be in [0,7]\n", *p_option_iter);
12236 return OPJ_FALSE;
12237 }
12238
12239 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
12240 OPJ_UINT32 i;
12241 opj_tcp_t *tcp = &cp->tcps[tileno];
12242 for (i = 0; i < p_j2k->m_specific_param.m_encoder.m_nb_comps; i++) {
12243 opj_tccp_t *tccp = &tcp->tccps[i];
12244 tccp->numgbits = (OPJ_UINT32)numgbits;
12245 }
12246 }
12247 } else {
12248 opj_event_msg(p_manager, EVT_ERROR,
12249 "Invalid option: %s.\n", *p_option_iter);
12250 return OPJ_FALSE;
12251 }
12252 }
12253
12254 return OPJ_TRUE;
12255 }
12256
12257 /* ----------------------------------------------------------------------- */
12258
opj_j2k_encode(void * j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)12259 OPJ_BOOL opj_j2k_encode(void * j2k,
12260 opj_stream_private_t *p_stream,
12261 opj_event_mgr_t * p_manager)
12262 {
12263 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
12264 OPJ_UINT32 i, j;
12265 OPJ_UINT32 l_nb_tiles;
12266 OPJ_SIZE_T l_max_tile_size = 0, l_current_tile_size;
12267 OPJ_BYTE * l_current_data = 00;
12268 OPJ_BOOL l_reuse_data = OPJ_FALSE;
12269 opj_tcd_t* p_tcd = 00;
12270
12271 /* preconditions */
12272 assert(p_j2k != 00);
12273 assert(p_stream != 00);
12274 assert(p_manager != 00);
12275
12276 p_tcd = p_j2k->m_tcd;
12277
12278 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
12279 if (l_nb_tiles == 1) {
12280 l_reuse_data = OPJ_TRUE;
12281 #ifdef __SSE__
12282 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
12283 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
12284 if (((size_t)l_img_comp->data & 0xFU) !=
12285 0U) { /* tile data shall be aligned on 16 bytes */
12286 l_reuse_data = OPJ_FALSE;
12287 }
12288 }
12289 #endif
12290 }
12291 for (i = 0; i < l_nb_tiles; ++i) {
12292 if (! opj_j2k_pre_write_tile(p_j2k, i, p_stream, p_manager)) {
12293 if (l_current_data) {
12294 opj_free(l_current_data);
12295 }
12296 return OPJ_FALSE;
12297 }
12298
12299 /* if we only have one tile, then simply set tile component data equal to image component data */
12300 /* otherwise, allocate the data */
12301 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
12302 opj_tcd_tilecomp_t* l_tilec = p_tcd->tcd_image->tiles->comps + j;
12303 if (l_reuse_data) {
12304 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
12305 l_tilec->data = l_img_comp->data;
12306 l_tilec->ownsData = OPJ_FALSE;
12307 } else {
12308 if (! opj_alloc_tile_component_data(l_tilec)) {
12309 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
12310 if (l_current_data) {
12311 opj_free(l_current_data);
12312 }
12313 return OPJ_FALSE;
12314 }
12315 }
12316 }
12317 l_current_tile_size = opj_tcd_get_encoder_input_buffer_size(p_j2k->m_tcd);
12318 if (!l_reuse_data) {
12319 if (l_current_tile_size > l_max_tile_size) {
12320 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data,
12321 l_current_tile_size);
12322 if (! l_new_current_data) {
12323 if (l_current_data) {
12324 opj_free(l_current_data);
12325 }
12326 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to encode all tiles\n");
12327 return OPJ_FALSE;
12328 }
12329 l_current_data = l_new_current_data;
12330 l_max_tile_size = l_current_tile_size;
12331 }
12332 if (l_current_data == NULL) {
12333 /* Should not happen in practice, but will avoid Coverity to */
12334 /* complain about a null pointer dereference */
12335 assert(0);
12336 return OPJ_FALSE;
12337 }
12338
12339 /* copy image data (32 bit) to l_current_data as contiguous, all-component, zero offset buffer */
12340 /* 32 bit components @ 8 bit precision get converted to 8 bit */
12341 /* 32 bit components @ 16 bit precision get converted to 16 bit */
12342 opj_j2k_get_tile_data(p_j2k->m_tcd, l_current_data);
12343
12344 /* now copy this data into the tile component */
12345 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, l_current_data,
12346 l_current_tile_size)) {
12347 opj_event_msg(p_manager, EVT_ERROR,
12348 "Size mismatch between tile data and sent data.");
12349 opj_free(l_current_data);
12350 return OPJ_FALSE;
12351 }
12352 }
12353
12354 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
12355 if (l_current_data) {
12356 opj_free(l_current_data);
12357 }
12358 return OPJ_FALSE;
12359 }
12360 }
12361
12362 if (l_current_data) {
12363 opj_free(l_current_data);
12364 }
12365 return OPJ_TRUE;
12366 }
12367
opj_j2k_end_compress(void * j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)12368 OPJ_BOOL opj_j2k_end_compress(void *j2k,
12369 opj_stream_private_t *p_stream,
12370 opj_event_mgr_t * p_manager)
12371 {
12372 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
12373 /* customization of the encoding */
12374 if (! opj_j2k_setup_end_compress(p_j2k, p_manager)) {
12375 return OPJ_FALSE;
12376 }
12377
12378 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
12379 return OPJ_FALSE;
12380 }
12381
12382 return OPJ_TRUE;
12383 }
12384
opj_j2k_start_compress(void * j2k,opj_stream_private_t * p_stream,opj_image_t * p_image,opj_event_mgr_t * p_manager)12385 OPJ_BOOL opj_j2k_start_compress(void *j2k,
12386 opj_stream_private_t *p_stream,
12387 opj_image_t * p_image,
12388 opj_event_mgr_t * p_manager)
12389 {
12390 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
12391 /* preconditions */
12392 assert(p_j2k != 00);
12393 assert(p_stream != 00);
12394 assert(p_manager != 00);
12395
12396 p_j2k->m_private_image = opj_image_create0();
12397 if (! p_j2k->m_private_image) {
12398 opj_event_msg(p_manager, EVT_ERROR, "Failed to allocate image header.");
12399 return OPJ_FALSE;
12400 }
12401 opj_copy_image_header(p_image, p_j2k->m_private_image);
12402
12403 /* TODO_MSD: Find a better way */
12404 if (p_image->comps) {
12405 OPJ_UINT32 it_comp;
12406 for (it_comp = 0 ; it_comp < p_image->numcomps; it_comp++) {
12407 if (p_image->comps[it_comp].data) {
12408 p_j2k->m_private_image->comps[it_comp].data = p_image->comps[it_comp].data;
12409 p_image->comps[it_comp].data = NULL;
12410
12411 }
12412 }
12413 }
12414
12415 /* customization of the validation */
12416 if (! opj_j2k_setup_encoding_validation(p_j2k, p_manager)) {
12417 return OPJ_FALSE;
12418 }
12419
12420 /* validation of the parameters codec */
12421 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
12422 return OPJ_FALSE;
12423 }
12424
12425 /* customization of the encoding */
12426 if (! opj_j2k_setup_header_writing(p_j2k, p_manager)) {
12427 return OPJ_FALSE;
12428 }
12429
12430 /* write header */
12431 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
12432 return OPJ_FALSE;
12433 }
12434
12435 return OPJ_TRUE;
12436 }
12437
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)12438 static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
12439 OPJ_UINT32 p_tile_index,
12440 opj_stream_private_t *p_stream,
12441 opj_event_mgr_t * p_manager)
12442 {
12443 (void)p_stream;
12444 if (p_tile_index != p_j2k->m_current_tile_number) {
12445 opj_event_msg(p_manager, EVT_ERROR, "The given tile index does not match.");
12446 return OPJ_FALSE;
12447 }
12448
12449 opj_event_msg(p_manager, EVT_INFO, "tile number %d / %d\n",
12450 p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th);
12451
12452 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0;
12453 p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts;
12454 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
12455
12456 /* initialisation before tile encoding */
12457 if (! opj_tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
12458 p_manager)) {
12459 return OPJ_FALSE;
12460 }
12461
12462 return OPJ_TRUE;
12463 }
12464
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)12465 static void opj_get_tile_dimensions(opj_image_t * l_image,
12466 opj_tcd_tilecomp_t * l_tilec,
12467 opj_image_comp_t * l_img_comp,
12468 OPJ_UINT32* l_size_comp,
12469 OPJ_UINT32* l_width,
12470 OPJ_UINT32* l_height,
12471 OPJ_UINT32* l_offset_x,
12472 OPJ_UINT32* l_offset_y,
12473 OPJ_UINT32* l_image_width,
12474 OPJ_UINT32* l_stride,
12475 OPJ_UINT32* l_tile_offset)
12476 {
12477 OPJ_UINT32 l_remaining;
12478 *l_size_comp = l_img_comp->prec >> 3; /* (/8) */
12479 l_remaining = l_img_comp->prec & 7; /* (%8) */
12480 if (l_remaining) {
12481 *l_size_comp += 1;
12482 }
12483
12484 if (*l_size_comp == 3) {
12485 *l_size_comp = 4;
12486 }
12487
12488 *l_width = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0);
12489 *l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0);
12490 *l_offset_x = opj_uint_ceildiv(l_image->x0, l_img_comp->dx);
12491 *l_offset_y = opj_uint_ceildiv(l_image->y0, l_img_comp->dy);
12492 *l_image_width = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x1 -
12493 (OPJ_INT32)l_image->x0, (OPJ_INT32)l_img_comp->dx);
12494 *l_stride = *l_image_width - *l_width;
12495 *l_tile_offset = ((OPJ_UINT32)l_tilec->x0 - *l_offset_x) + ((
12496 OPJ_UINT32)l_tilec->y0 - *l_offset_y) * *l_image_width;
12497 }
12498
opj_j2k_get_tile_data(opj_tcd_t * p_tcd,OPJ_BYTE * p_data)12499 static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data)
12500 {
12501 OPJ_UINT32 i, j, k = 0;
12502
12503 for (i = 0; i < p_tcd->image->numcomps; ++i) {
12504 opj_image_t * l_image = p_tcd->image;
12505 OPJ_INT32 * l_src_ptr;
12506 opj_tcd_tilecomp_t * l_tilec = p_tcd->tcd_image->tiles->comps + i;
12507 opj_image_comp_t * l_img_comp = l_image->comps + i;
12508 OPJ_UINT32 l_size_comp, l_width, l_height, l_offset_x, l_offset_y,
12509 l_image_width, l_stride, l_tile_offset;
12510
12511 opj_get_tile_dimensions(l_image,
12512 l_tilec,
12513 l_img_comp,
12514 &l_size_comp,
12515 &l_width,
12516 &l_height,
12517 &l_offset_x,
12518 &l_offset_y,
12519 &l_image_width,
12520 &l_stride,
12521 &l_tile_offset);
12522
12523 l_src_ptr = l_img_comp->data + l_tile_offset;
12524
12525 switch (l_size_comp) {
12526 case 1: {
12527 OPJ_CHAR * l_dest_ptr = (OPJ_CHAR*) p_data;
12528 if (l_img_comp->sgnd) {
12529 for (j = 0; j < l_height; ++j) {
12530 for (k = 0; k < l_width; ++k) {
12531 *(l_dest_ptr) = (OPJ_CHAR)(*l_src_ptr);
12532 ++l_dest_ptr;
12533 ++l_src_ptr;
12534 }
12535 l_src_ptr += l_stride;
12536 }
12537 } else {
12538 for (j = 0; j < l_height; ++j) {
12539 for (k = 0; k < l_width; ++k) {
12540 *(l_dest_ptr) = (OPJ_CHAR)((*l_src_ptr) & 0xff);
12541 ++l_dest_ptr;
12542 ++l_src_ptr;
12543 }
12544 l_src_ptr += l_stride;
12545 }
12546 }
12547
12548 p_data = (OPJ_BYTE*) l_dest_ptr;
12549 }
12550 break;
12551 case 2: {
12552 OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_data;
12553 if (l_img_comp->sgnd) {
12554 for (j = 0; j < l_height; ++j) {
12555 for (k = 0; k < l_width; ++k) {
12556 *(l_dest_ptr++) = (OPJ_INT16)(*(l_src_ptr++));
12557 }
12558 l_src_ptr += l_stride;
12559 }
12560 } else {
12561 for (j = 0; j < l_height; ++j) {
12562 for (k = 0; k < l_width; ++k) {
12563 *(l_dest_ptr++) = (OPJ_INT16)((*(l_src_ptr++)) & 0xffff);
12564 }
12565 l_src_ptr += l_stride;
12566 }
12567 }
12568
12569 p_data = (OPJ_BYTE*) l_dest_ptr;
12570 }
12571 break;
12572 case 4: {
12573 OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_data;
12574 for (j = 0; j < l_height; ++j) {
12575 for (k = 0; k < l_width; ++k) {
12576 *(l_dest_ptr++) = *(l_src_ptr++);
12577 }
12578 l_src_ptr += l_stride;
12579 }
12580
12581 p_data = (OPJ_BYTE*) l_dest_ptr;
12582 }
12583 break;
12584 }
12585 }
12586 }
12587
opj_j2k_post_write_tile(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)12588 static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
12589 opj_stream_private_t *p_stream,
12590 opj_event_mgr_t * p_manager)
12591 {
12592 OPJ_UINT32 l_nb_bytes_written;
12593 OPJ_BYTE * l_current_data = 00;
12594 OPJ_UINT32 l_tile_size = 0;
12595 OPJ_UINT32 l_available_data;
12596
12597 /* preconditions */
12598 assert(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
12599
12600 l_tile_size = p_j2k->m_specific_param.m_encoder.m_encoded_tile_size;
12601 l_available_data = l_tile_size;
12602 l_current_data = p_j2k->m_specific_param.m_encoder.m_encoded_tile_data;
12603
12604 l_nb_bytes_written = 0;
12605 if (! opj_j2k_write_first_tile_part(p_j2k, l_current_data, &l_nb_bytes_written,
12606 l_available_data, p_stream, p_manager)) {
12607 return OPJ_FALSE;
12608 }
12609 l_current_data += l_nb_bytes_written;
12610 l_available_data -= l_nb_bytes_written;
12611
12612 l_nb_bytes_written = 0;
12613 if (! opj_j2k_write_all_tile_parts(p_j2k, l_current_data, &l_nb_bytes_written,
12614 l_available_data, p_stream, p_manager)) {
12615 return OPJ_FALSE;
12616 }
12617
12618 l_available_data -= l_nb_bytes_written;
12619 l_nb_bytes_written = l_tile_size - l_available_data;
12620
12621 if (opj_stream_write_data(p_stream,
12622 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data,
12623 l_nb_bytes_written, p_manager) != l_nb_bytes_written) {
12624 return OPJ_FALSE;
12625 }
12626
12627 ++p_j2k->m_current_tile_number;
12628
12629 return OPJ_TRUE;
12630 }
12631
opj_j2k_setup_end_compress(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)12632 static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
12633 opj_event_mgr_t * p_manager)
12634 {
12635 /* preconditions */
12636 assert(p_j2k != 00);
12637 assert(p_manager != 00);
12638
12639 /* DEVELOPER CORNER, insert your custom procedures */
12640 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12641 (opj_procedure)opj_j2k_write_eoc, p_manager)) {
12642 return OPJ_FALSE;
12643 }
12644
12645 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12646 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12647 (opj_procedure)opj_j2k_write_updated_tlm, p_manager)) {
12648 return OPJ_FALSE;
12649 }
12650 }
12651
12652 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12653 (opj_procedure)opj_j2k_write_epc, p_manager)) {
12654 return OPJ_FALSE;
12655 }
12656 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12657 (opj_procedure)opj_j2k_end_encoding, p_manager)) {
12658 return OPJ_FALSE;
12659 }
12660 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12661 (opj_procedure)opj_j2k_destroy_header_memory, p_manager)) {
12662 return OPJ_FALSE;
12663 }
12664 return OPJ_TRUE;
12665 }
12666
opj_j2k_setup_encoding_validation(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)12667 static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
12668 opj_event_mgr_t * p_manager)
12669 {
12670 /* preconditions */
12671 assert(p_j2k != 00);
12672 assert(p_manager != 00);
12673
12674 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
12675 (opj_procedure)opj_j2k_build_encoder, p_manager)) {
12676 return OPJ_FALSE;
12677 }
12678 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
12679 (opj_procedure)opj_j2k_encoding_validation, p_manager)) {
12680 return OPJ_FALSE;
12681 }
12682
12683 /* DEVELOPER CORNER, add your custom validation procedure */
12684 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
12685 (opj_procedure)opj_j2k_mct_validation, p_manager)) {
12686 return OPJ_FALSE;
12687 }
12688
12689 return OPJ_TRUE;
12690 }
12691
opj_j2k_setup_header_writing(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)12692 static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
12693 opj_event_mgr_t * p_manager)
12694 {
12695 /* preconditions */
12696 assert(p_j2k != 00);
12697 assert(p_manager != 00);
12698
12699 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12700 (opj_procedure)opj_j2k_init_info, p_manager)) {
12701 return OPJ_FALSE;
12702 }
12703 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12704 (opj_procedure)opj_j2k_write_soc, p_manager)) {
12705 return OPJ_FALSE;
12706 }
12707 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12708 (opj_procedure)opj_j2k_write_siz, p_manager)) {
12709 return OPJ_FALSE;
12710 }
12711 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12712 (opj_procedure)opj_j2k_write_cod, p_manager)) {
12713 return OPJ_FALSE;
12714 }
12715 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12716 (opj_procedure)opj_j2k_write_qcd, p_manager)) {
12717 return OPJ_FALSE;
12718 }
12719 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12720 (opj_procedure)opj_j2k_write_all_coc, p_manager)) {
12721 return OPJ_FALSE;
12722 }
12723 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12724 (opj_procedure)opj_j2k_write_all_qcc, p_manager)) {
12725 return OPJ_FALSE;
12726 }
12727
12728 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12729 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12730 (opj_procedure)opj_j2k_write_tlm, p_manager)) {
12731 return OPJ_FALSE;
12732 }
12733
12734 if (p_j2k->m_cp.rsiz == OPJ_PROFILE_CINEMA_4K) {
12735 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12736 (opj_procedure)opj_j2k_write_poc, p_manager)) {
12737 return OPJ_FALSE;
12738 }
12739 }
12740 }
12741
12742 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12743 (opj_procedure)opj_j2k_write_regions, p_manager)) {
12744 return OPJ_FALSE;
12745 }
12746
12747 if (p_j2k->m_cp.comment != 00) {
12748 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12749 (opj_procedure)opj_j2k_write_com, p_manager)) {
12750 return OPJ_FALSE;
12751 }
12752 }
12753
12754 /* DEVELOPER CORNER, insert your custom procedures */
12755 if ((p_j2k->m_cp.rsiz & (OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT)) ==
12756 (OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT)) {
12757 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12758 (opj_procedure)opj_j2k_write_mct_data_group, p_manager)) {
12759 return OPJ_FALSE;
12760 }
12761 }
12762 /* End of Developer Corner */
12763
12764 if (p_j2k->cstr_index) {
12765 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12766 (opj_procedure)opj_j2k_get_end_header, p_manager)) {
12767 return OPJ_FALSE;
12768 }
12769 }
12770
12771 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12772 (opj_procedure)opj_j2k_create_tcd, p_manager)) {
12773 return OPJ_FALSE;
12774 }
12775 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12776 (opj_procedure)opj_j2k_update_rates, p_manager)) {
12777 return OPJ_FALSE;
12778 }
12779
12780 return OPJ_TRUE;
12781 }
12782
opj_j2k_write_first_tile_part(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,OPJ_UINT32 total_data_size,opj_stream_private_t * p_stream,struct opj_event_mgr * p_manager)12783 static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
12784 OPJ_BYTE * p_data,
12785 OPJ_UINT32 * p_data_written,
12786 OPJ_UINT32 total_data_size,
12787 opj_stream_private_t *p_stream,
12788 struct opj_event_mgr * p_manager)
12789 {
12790 OPJ_UINT32 l_nb_bytes_written = 0;
12791 OPJ_UINT32 l_current_nb_bytes_written;
12792 OPJ_BYTE * l_begin_data = 00;
12793
12794 opj_tcd_t * l_tcd = 00;
12795 opj_cp_t * l_cp = 00;
12796
12797 l_tcd = p_j2k->m_tcd;
12798 l_cp = &(p_j2k->m_cp);
12799
12800 l_tcd->cur_pino = 0;
12801
12802 /*Get number of tile parts*/
12803 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
12804
12805 /* INDEX >> */
12806 /* << INDEX */
12807
12808 l_current_nb_bytes_written = 0;
12809 l_begin_data = p_data;
12810 if (! opj_j2k_write_sot(p_j2k, p_data, total_data_size,
12811 &l_current_nb_bytes_written, p_stream,
12812 p_manager)) {
12813 return OPJ_FALSE;
12814 }
12815
12816 l_nb_bytes_written += l_current_nb_bytes_written;
12817 p_data += l_current_nb_bytes_written;
12818 total_data_size -= l_current_nb_bytes_written;
12819
12820 if (!OPJ_IS_CINEMA(l_cp->rsiz)) {
12821 #if 0
12822 for (compno = 1; compno < p_j2k->m_private_image->numcomps; compno++) {
12823 l_current_nb_bytes_written = 0;
12824 opj_j2k_write_coc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
12825 p_manager);
12826 l_nb_bytes_written += l_current_nb_bytes_written;
12827 p_data += l_current_nb_bytes_written;
12828 total_data_size -= l_current_nb_bytes_written;
12829
12830 l_current_nb_bytes_written = 0;
12831 opj_j2k_write_qcc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
12832 p_manager);
12833 l_nb_bytes_written += l_current_nb_bytes_written;
12834 p_data += l_current_nb_bytes_written;
12835 total_data_size -= l_current_nb_bytes_written;
12836 }
12837 #endif
12838 if (l_cp->tcps[p_j2k->m_current_tile_number].POC) {
12839 l_current_nb_bytes_written = 0;
12840 opj_j2k_write_poc_in_memory(p_j2k, p_data, &l_current_nb_bytes_written,
12841 p_manager);
12842 l_nb_bytes_written += l_current_nb_bytes_written;
12843 p_data += l_current_nb_bytes_written;
12844 total_data_size -= l_current_nb_bytes_written;
12845 }
12846 }
12847
12848 l_current_nb_bytes_written = 0;
12849 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
12850 total_data_size, p_stream, p_manager)) {
12851 return OPJ_FALSE;
12852 }
12853
12854 l_nb_bytes_written += l_current_nb_bytes_written;
12855 * p_data_written = l_nb_bytes_written;
12856
12857 /* Writing Psot in SOT marker */
12858 opj_write_bytes(l_begin_data + 6, l_nb_bytes_written,
12859 4); /* PSOT */
12860
12861 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12862 opj_j2k_update_tlm(p_j2k, l_nb_bytes_written);
12863 }
12864
12865 return OPJ_TRUE;
12866 }
12867
opj_j2k_write_all_tile_parts(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,OPJ_UINT32 total_data_size,opj_stream_private_t * p_stream,struct opj_event_mgr * p_manager)12868 static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
12869 OPJ_BYTE * p_data,
12870 OPJ_UINT32 * p_data_written,
12871 OPJ_UINT32 total_data_size,
12872 opj_stream_private_t *p_stream,
12873 struct opj_event_mgr * p_manager
12874 )
12875 {
12876 OPJ_UINT32 tilepartno = 0;
12877 OPJ_UINT32 l_nb_bytes_written = 0;
12878 OPJ_UINT32 l_current_nb_bytes_written;
12879 OPJ_UINT32 l_part_tile_size;
12880 OPJ_UINT32 tot_num_tp;
12881 OPJ_UINT32 pino;
12882
12883 OPJ_BYTE * l_begin_data;
12884 opj_tcp_t *l_tcp = 00;
12885 opj_tcd_t * l_tcd = 00;
12886 opj_cp_t * l_cp = 00;
12887
12888 l_tcd = p_j2k->m_tcd;
12889 l_cp = &(p_j2k->m_cp);
12890 l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
12891
12892 /*Get number of tile parts*/
12893 tot_num_tp = opj_j2k_get_num_tp(l_cp, 0, p_j2k->m_current_tile_number);
12894
12895 /* start writing remaining tile parts */
12896 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
12897 for (tilepartno = 1; tilepartno < tot_num_tp ; ++tilepartno) {
12898 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
12899 l_current_nb_bytes_written = 0;
12900 l_part_tile_size = 0;
12901 l_begin_data = p_data;
12902
12903 if (! opj_j2k_write_sot(p_j2k, p_data,
12904 total_data_size,
12905 &l_current_nb_bytes_written,
12906 p_stream,
12907 p_manager)) {
12908 return OPJ_FALSE;
12909 }
12910
12911 l_nb_bytes_written += l_current_nb_bytes_written;
12912 p_data += l_current_nb_bytes_written;
12913 total_data_size -= l_current_nb_bytes_written;
12914 l_part_tile_size += l_current_nb_bytes_written;
12915
12916 l_current_nb_bytes_written = 0;
12917 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
12918 total_data_size, p_stream, p_manager)) {
12919 return OPJ_FALSE;
12920 }
12921
12922 p_data += l_current_nb_bytes_written;
12923 l_nb_bytes_written += l_current_nb_bytes_written;
12924 total_data_size -= l_current_nb_bytes_written;
12925 l_part_tile_size += l_current_nb_bytes_written;
12926
12927 /* Writing Psot in SOT marker */
12928 opj_write_bytes(l_begin_data + 6, l_part_tile_size,
12929 4); /* PSOT */
12930
12931 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12932 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
12933 }
12934
12935 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
12936 }
12937
12938 for (pino = 1; pino <= l_tcp->numpocs; ++pino) {
12939 l_tcd->cur_pino = pino;
12940
12941 /*Get number of tile parts*/
12942 tot_num_tp = opj_j2k_get_num_tp(l_cp, pino, p_j2k->m_current_tile_number);
12943 for (tilepartno = 0; tilepartno < tot_num_tp ; ++tilepartno) {
12944 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
12945 l_current_nb_bytes_written = 0;
12946 l_part_tile_size = 0;
12947 l_begin_data = p_data;
12948
12949 if (! opj_j2k_write_sot(p_j2k, p_data,
12950 total_data_size,
12951 &l_current_nb_bytes_written, p_stream,
12952 p_manager)) {
12953 return OPJ_FALSE;
12954 }
12955
12956 l_nb_bytes_written += l_current_nb_bytes_written;
12957 p_data += l_current_nb_bytes_written;
12958 total_data_size -= l_current_nb_bytes_written;
12959 l_part_tile_size += l_current_nb_bytes_written;
12960
12961 l_current_nb_bytes_written = 0;
12962
12963 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
12964 total_data_size, p_stream, p_manager)) {
12965 return OPJ_FALSE;
12966 }
12967
12968 l_nb_bytes_written += l_current_nb_bytes_written;
12969 p_data += l_current_nb_bytes_written;
12970 total_data_size -= l_current_nb_bytes_written;
12971 l_part_tile_size += l_current_nb_bytes_written;
12972
12973 /* Writing Psot in SOT marker */
12974 opj_write_bytes(l_begin_data + 6, l_part_tile_size,
12975 4); /* PSOT */
12976
12977 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
12978 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
12979 }
12980
12981 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
12982 }
12983 }
12984
12985 *p_data_written = l_nb_bytes_written;
12986
12987 return OPJ_TRUE;
12988 }
12989
opj_j2k_write_updated_tlm(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)12990 static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
12991 struct opj_stream_private *p_stream,
12992 struct opj_event_mgr * p_manager)
12993 {
12994 OPJ_UINT32 l_tlm_size;
12995 OPJ_OFF_T l_tlm_position, l_current_position;
12996 OPJ_UINT32 size_per_tile_part;
12997
12998 /* preconditions */
12999 assert(p_j2k != 00);
13000 assert(p_manager != 00);
13001 assert(p_stream != 00);
13002
13003 size_per_tile_part = p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte ? 5 : 6;
13004 l_tlm_size = size_per_tile_part *
13005 p_j2k->m_specific_param.m_encoder.m_total_tile_parts;
13006 l_tlm_position = 6 + p_j2k->m_specific_param.m_encoder.m_tlm_start;
13007 l_current_position = opj_stream_tell(p_stream);
13008
13009 if (! opj_stream_seek(p_stream, l_tlm_position, p_manager)) {
13010 return OPJ_FALSE;
13011 }
13012
13013 if (opj_stream_write_data(p_stream,
13014 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer, l_tlm_size,
13015 p_manager) != l_tlm_size) {
13016 return OPJ_FALSE;
13017 }
13018
13019 if (! opj_stream_seek(p_stream, l_current_position, p_manager)) {
13020 return OPJ_FALSE;
13021 }
13022
13023 return OPJ_TRUE;
13024 }
13025
opj_j2k_end_encoding(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)13026 static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
13027 struct opj_stream_private *p_stream,
13028 struct opj_event_mgr * p_manager)
13029 {
13030 /* preconditions */
13031 assert(p_j2k != 00);
13032 assert(p_manager != 00);
13033 assert(p_stream != 00);
13034
13035 OPJ_UNUSED(p_stream);
13036 OPJ_UNUSED(p_manager);
13037
13038 opj_tcd_destroy(p_j2k->m_tcd);
13039 p_j2k->m_tcd = 00;
13040
13041 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
13042 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
13043 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 0;
13044 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 0;
13045 }
13046
13047 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
13048 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
13049 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 0;
13050 }
13051
13052 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = 0;
13053
13054 return OPJ_TRUE;
13055 }
13056
13057 /**
13058 * Destroys the memory associated with the decoding of headers.
13059 */
opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)13060 static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
13061 opj_stream_private_t *p_stream,
13062 opj_event_mgr_t * p_manager
13063 )
13064 {
13065 /* preconditions */
13066 assert(p_j2k != 00);
13067 assert(p_stream != 00);
13068 assert(p_manager != 00);
13069
13070 OPJ_UNUSED(p_stream);
13071 OPJ_UNUSED(p_manager);
13072
13073 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
13074 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
13075 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 0;
13076 }
13077
13078 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
13079
13080 return OPJ_TRUE;
13081 }
13082
opj_j2k_init_info(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)13083 static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
13084 struct opj_stream_private *p_stream,
13085 struct opj_event_mgr * p_manager)
13086 {
13087 opj_codestream_info_t * l_cstr_info = 00;
13088
13089 /* preconditions */
13090 assert(p_j2k != 00);
13091 assert(p_manager != 00);
13092 assert(p_stream != 00);
13093 (void)l_cstr_info;
13094
13095 OPJ_UNUSED(p_stream);
13096
13097 /* TODO mergeV2: check this part which use cstr_info */
13098 /*l_cstr_info = p_j2k->cstr_info;
13099
13100 if (l_cstr_info) {
13101 OPJ_UINT32 compno;
13102 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));
13103
13104 l_cstr_info->image_w = p_j2k->m_image->x1 - p_j2k->m_image->x0;
13105 l_cstr_info->image_h = p_j2k->m_image->y1 - p_j2k->m_image->y0;
13106
13107 l_cstr_info->prog = (&p_j2k->m_cp.tcps[0])->prg;
13108
13109 l_cstr_info->tw = p_j2k->m_cp.tw;
13110 l_cstr_info->th = p_j2k->m_cp.th;
13111
13112 l_cstr_info->tile_x = p_j2k->m_cp.tdx;*/ /* new version parser */
13113 /*l_cstr_info->tile_y = p_j2k->m_cp.tdy;*/ /* new version parser */
13114 /*l_cstr_info->tile_Ox = p_j2k->m_cp.tx0;*/ /* new version parser */
13115 /*l_cstr_info->tile_Oy = p_j2k->m_cp.ty0;*/ /* new version parser */
13116
13117 /*l_cstr_info->numcomps = p_j2k->m_image->numcomps;
13118
13119 l_cstr_info->numlayers = (&p_j2k->m_cp.tcps[0])->numlayers;
13120
13121 l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(p_j2k->m_image->numcomps * sizeof(OPJ_INT32));
13122
13123 for (compno=0; compno < p_j2k->m_image->numcomps; compno++) {
13124 l_cstr_info->numdecompos[compno] = (&p_j2k->m_cp.tcps[0])->tccps->numresolutions - 1;
13125 }
13126
13127 l_cstr_info->D_max = 0.0; */ /* ADD Marcela */
13128
13129 /*l_cstr_info->main_head_start = opj_stream_tell(p_stream);*/ /* position of SOC */
13130
13131 /*l_cstr_info->maxmarknum = 100;
13132 l_cstr_info->marker = (opj_marker_info_t *) opj_malloc(l_cstr_info->maxmarknum * sizeof(opj_marker_info_t));
13133 l_cstr_info->marknum = 0;
13134 }*/
13135
13136 return opj_j2k_calculate_tp(p_j2k, &(p_j2k->m_cp),
13137 &p_j2k->m_specific_param.m_encoder.m_total_tile_parts, p_j2k->m_private_image,
13138 p_manager);
13139 }
13140
13141 /**
13142 * Creates a tile-coder encoder.
13143 *
13144 * @param p_stream the stream to write data to.
13145 * @param p_j2k J2K codec.
13146 * @param p_manager the user event manager.
13147 */
opj_j2k_create_tcd(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)13148 static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
13149 opj_stream_private_t *p_stream,
13150 opj_event_mgr_t * p_manager
13151 )
13152 {
13153 /* preconditions */
13154 assert(p_j2k != 00);
13155 assert(p_manager != 00);
13156 assert(p_stream != 00);
13157
13158 OPJ_UNUSED(p_stream);
13159
13160 p_j2k->m_tcd = opj_tcd_create(OPJ_FALSE);
13161
13162 if (! p_j2k->m_tcd) {
13163 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to create Tile Coder\n");
13164 return OPJ_FALSE;
13165 }
13166
13167 if (!opj_tcd_init(p_j2k->m_tcd, p_j2k->m_private_image, &p_j2k->m_cp,
13168 p_j2k->m_tp)) {
13169 opj_tcd_destroy(p_j2k->m_tcd);
13170 p_j2k->m_tcd = 00;
13171 return OPJ_FALSE;
13172 }
13173
13174 return OPJ_TRUE;
13175 }
13176
opj_j2k_write_tile(void * 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)13177 OPJ_BOOL opj_j2k_write_tile(void * j2k,
13178 OPJ_UINT32 p_tile_index,
13179 OPJ_BYTE * p_data,
13180 OPJ_UINT32 p_data_size,
13181 opj_stream_private_t *p_stream,
13182 opj_event_mgr_t * p_manager)
13183 {
13184 opj_j2k_t* p_j2k = (opj_j2k_t*)j2k;
13185 if (! opj_j2k_pre_write_tile(p_j2k, p_tile_index, p_stream, p_manager)) {
13186 opj_event_msg(p_manager, EVT_ERROR,
13187 "Error while opj_j2k_pre_write_tile with tile index = %d\n", p_tile_index);
13188 return OPJ_FALSE;
13189 } else {
13190 OPJ_UINT32 j;
13191 /* Allocate data */
13192 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
13193 opj_tcd_tilecomp_t* l_tilec = p_j2k->m_tcd->tcd_image->tiles->comps + j;
13194
13195 if (! opj_alloc_tile_component_data(l_tilec)) {
13196 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
13197 return OPJ_FALSE;
13198 }
13199 }
13200
13201 /* now copy data into the tile component */
13202 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
13203 opj_event_msg(p_manager, EVT_ERROR,
13204 "Size mismatch between tile data and sent data.");
13205 return OPJ_FALSE;
13206 }
13207 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
13208 opj_event_msg(p_manager, EVT_ERROR,
13209 "Error while opj_j2k_post_write_tile with tile index = %d\n", p_tile_index);
13210 return OPJ_FALSE;
13211 }
13212 }
13213
13214 return OPJ_TRUE;
13215 }
13216