1 /*
2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
6 *
7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8 * Copyright (c) 2002-2014, Professor Benoit Macq
9 * Copyright (c) 2001-2003, David Janssens
10 * Copyright (c) 2002-2003, Yannick Verschueren
11 * Copyright (c) 2003-2007, Francois-Olivier Devaux
12 * Copyright (c) 2003-2014, Antonin Descampe
13 * Copyright (c) 2005, Herve Drolon, FreeImage Team
14 * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
15 * Copyright (c) 2006-2007, Parvatha Elangovan
16 * Copyright (c) 2010-2011, Kaori Hagihara
17 * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
18 * Copyright (c) 2012, CS Systemes d'Information, France
19 * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
20 * All rights reserved.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the above copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
32 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
33 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
34 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
35 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
36 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
37 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
38 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
39 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 #include "opj_includes.h"
45
46 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
47 /*@{*/
48
49 /** @name Local static functions */
50 /*@{*/
51
52 /**
53 * Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures.
54 */
55 static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
56 opj_event_mgr_t * p_manager);
57
58 /**
59 * The read header procedure.
60 */
61 static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
62 opj_stream_private_t *p_stream,
63 opj_event_mgr_t * p_manager);
64
65 /**
66 * The default encoding validation procedure without any extension.
67 *
68 * @param p_j2k the jpeg2000 codec to validate.
69 * @param p_stream the input stream to validate.
70 * @param p_manager the user event manager.
71 *
72 * @return true if the parameters are correct.
73 */
74 static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
75 opj_stream_private_t *p_stream,
76 opj_event_mgr_t * p_manager);
77
78 /**
79 * The default decoding validation procedure without any extension.
80 *
81 * @param p_j2k the jpeg2000 codec to validate.
82 * @param p_stream the input stream to validate.
83 * @param p_manager the user event manager.
84 *
85 * @return true if the parameters are correct.
86 */
87 static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t * p_j2k,
88 opj_stream_private_t *p_stream,
89 opj_event_mgr_t * p_manager);
90
91 /**
92 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
93 * are valid. Developpers wanting to extend the library can add their own validation procedures.
94 */
95 static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
96 opj_event_mgr_t * p_manager);
97
98 /**
99 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
100 * are valid. Developpers wanting to extend the library can add their own validation procedures.
101 */
102 static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
103 opj_event_mgr_t * p_manager);
104
105 /**
106 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
107 * are valid. Developpers wanting to extend the library can add their own validation procedures.
108 */
109 static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
110 opj_event_mgr_t * p_manager);
111
112 /**
113 * The mct encoding validation procedure.
114 *
115 * @param p_j2k the jpeg2000 codec to validate.
116 * @param p_stream the input stream to validate.
117 * @param p_manager the user event manager.
118 *
119 * @return true if the parameters are correct.
120 */
121 static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
122 opj_stream_private_t *p_stream,
123 opj_event_mgr_t * p_manager);
124
125 /**
126 * Builds the tcd decoder to use to decode tile.
127 */
128 static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
129 opj_stream_private_t *p_stream,
130 opj_event_mgr_t * p_manager);
131 /**
132 * Builds the tcd encoder to use to encode tile.
133 */
134 static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
135 opj_stream_private_t *p_stream,
136 opj_event_mgr_t * p_manager);
137
138 /**
139 * Creates a tile-coder encoder.
140 *
141 * @param p_stream the stream to write data to.
142 * @param p_j2k J2K codec.
143 * @param p_manager the user event manager.
144 */
145 static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
146 opj_stream_private_t *p_stream,
147 opj_event_mgr_t * p_manager);
148
149 /**
150 * Excutes the given procedures on the given codec.
151 *
152 * @param p_procedure_list the list of procedures to execute
153 * @param p_j2k the jpeg2000 codec to execute the procedures on.
154 * @param p_stream the stream to execute the procedures on.
155 * @param p_manager the user manager.
156 *
157 * @return true if all the procedures were successfully executed.
158 */
159 static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
160 opj_procedure_list_t * p_procedure_list,
161 opj_stream_private_t *p_stream,
162 opj_event_mgr_t * p_manager);
163
164 /**
165 * Updates the rates of the tcp.
166 *
167 * @param p_stream the stream to write data to.
168 * @param p_j2k J2K codec.
169 * @param p_manager the user event manager.
170 */
171 static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
172 opj_stream_private_t *p_stream,
173 opj_event_mgr_t * p_manager);
174
175 /**
176 * Copies the decoding tile parameters onto all the tile parameters.
177 * Creates also the tile decoder.
178 */
179 static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
180 opj_stream_private_t *p_stream,
181 opj_event_mgr_t * p_manager);
182
183 /**
184 * Destroys the memory associated with the decoding of headers.
185 */
186 static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
187 opj_stream_private_t *p_stream,
188 opj_event_mgr_t * p_manager);
189
190 /**
191 * Reads the lookup table containing all the marker, status and action, and returns the handler associated
192 * with the marker value.
193 * @param p_id Marker value to look up
194 *
195 * @return the handler associated with the id.
196 */
197 static const struct opj_dec_memory_marker_handler * opj_j2k_get_marker_handler(
198 OPJ_UINT32 p_id);
199
200 /**
201 * Destroys a tile coding parameter structure.
202 *
203 * @param p_tcp the tile coding parameter to destroy.
204 */
205 static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp);
206
207 /**
208 * Destroys the data inside a tile coding parameter structure.
209 *
210 * @param p_tcp the tile coding parameter which contain data to destroy.
211 */
212 static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp);
213
214 /**
215 * Destroys a coding parameter structure.
216 *
217 * @param p_cp the coding parameter to destroy.
218 */
219 static void opj_j2k_cp_destroy(opj_cp_t *p_cp);
220
221 /**
222 * Compare 2 a SPCod/ SPCoc elements, i.e. the coding style of a given component of a tile.
223 *
224 * @param p_j2k J2K codec.
225 * @param p_tile_no Tile number
226 * @param p_first_comp_no The 1st component number to compare.
227 * @param p_second_comp_no The 1st component number to compare.
228 *
229 * @return OPJ_TRUE if SPCdod are equals.
230 */
231 static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
232 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
233
234 /**
235 * Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
236 *
237 * @param p_j2k J2K codec.
238 * @param p_tile_no FIXME DOC
239 * @param p_comp_no the component number to output.
240 * @param p_data FIXME DOC
241 * @param p_header_size FIXME DOC
242 * @param p_manager the user event manager.
243 *
244 * @return FIXME DOC
245 */
246 static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
247 OPJ_UINT32 p_tile_no,
248 OPJ_UINT32 p_comp_no,
249 OPJ_BYTE * p_data,
250 OPJ_UINT32 * p_header_size,
251 opj_event_mgr_t * p_manager);
252
253 /**
254 * Gets the size taken by writing a SPCod or SPCoc for the given tile and component.
255 *
256 * @param p_j2k the J2K codec.
257 * @param p_tile_no the tile index.
258 * @param p_comp_no the component being outputted.
259 *
260 * @return the number of bytes taken by the SPCod element.
261 */
262 static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
263 OPJ_UINT32 p_tile_no,
264 OPJ_UINT32 p_comp_no);
265
266 /**
267 * Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
268 * @param p_j2k the jpeg2000 codec.
269 * @param compno FIXME DOC
270 * @param p_header_data the data contained in the COM box.
271 * @param p_header_size the size of the data contained in the COM marker.
272 * @param p_manager the user event manager.
273 */
274 static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
275 OPJ_UINT32 compno,
276 OPJ_BYTE * p_header_data,
277 OPJ_UINT32 * p_header_size,
278 opj_event_mgr_t * p_manager);
279
280 /**
281 * Gets the size taken by writing SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
282 *
283 * @param p_tile_no the tile index.
284 * @param p_comp_no the component being outputted.
285 * @param p_j2k the J2K codec.
286 *
287 * @return the number of bytes taken by the SPCod element.
288 */
289 static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
290 OPJ_UINT32 p_tile_no,
291 OPJ_UINT32 p_comp_no);
292
293 /**
294 * Compares 2 SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
295 *
296 * @param p_j2k J2K codec.
297 * @param p_tile_no the tile to output.
298 * @param p_first_comp_no the first component number to compare.
299 * @param p_second_comp_no the second component number to compare.
300 *
301 * @return OPJ_TRUE if equals.
302 */
303 static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
304 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
305
306
307 /**
308 * Writes a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
309 *
310 * @param p_tile_no the tile to output.
311 * @param p_comp_no the component number to output.
312 * @param p_data the data buffer.
313 * @param p_header_size pointer to the size of the data buffer, it is changed by the function.
314 * @param p_j2k J2K codec.
315 * @param p_manager the user event manager.
316 *
317 */
318 static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
319 OPJ_UINT32 p_tile_no,
320 OPJ_UINT32 p_comp_no,
321 OPJ_BYTE * p_data,
322 OPJ_UINT32 * p_header_size,
323 opj_event_mgr_t * p_manager);
324
325 /**
326 * Updates the Tile Length Marker.
327 */
328 static void opj_j2k_update_tlm(opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size);
329
330 /**
331 * Reads a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
332 *
333 * @param p_j2k J2K codec.
334 * @param compno the component number to output.
335 * @param p_header_data the data buffer.
336 * @param p_header_size pointer to the size of the data buffer, it is changed by the function.
337 * @param p_manager the user event manager.
338 *
339 */
340 static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
341 OPJ_UINT32 compno,
342 OPJ_BYTE * p_header_data,
343 OPJ_UINT32 * p_header_size,
344 opj_event_mgr_t * p_manager);
345
346 /**
347 * Copies the tile component parameters of all the component from the first tile component.
348 *
349 * @param p_j2k the J2k codec.
350 */
351 static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k);
352
353 /**
354 * Copies the tile quantization parameters of all the component from the first tile component.
355 *
356 * @param p_j2k the J2k codec.
357 */
358 static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k);
359
360 /**
361 * Reads the tiles.
362 */
363 static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
364 opj_stream_private_t *p_stream,
365 opj_event_mgr_t * p_manager);
366
367 static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
368 OPJ_UINT32 p_tile_index,
369 opj_stream_private_t *p_stream,
370 opj_event_mgr_t * p_manager);
371
372 static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
373 opj_image_t* p_output_image);
374
375 static void opj_get_tile_dimensions(opj_image_t * l_image,
376 opj_tcd_tilecomp_t * l_tilec,
377 opj_image_comp_t * l_img_comp,
378 OPJ_UINT32* l_size_comp,
379 OPJ_UINT32* l_width,
380 OPJ_UINT32* l_height,
381 OPJ_UINT32* l_offset_x,
382 OPJ_UINT32* l_offset_y,
383 OPJ_UINT32* l_image_width,
384 OPJ_UINT32* l_stride,
385 OPJ_UINT32* l_tile_offset);
386
387 static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data);
388
389 static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
390 opj_stream_private_t *p_stream,
391 opj_event_mgr_t * p_manager);
392
393 /**
394 * Sets up the procedures to do on writing header.
395 * Developers wanting to extend the library can add their own writing procedures.
396 */
397 static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
398 opj_event_mgr_t * p_manager);
399
400 static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
401 OPJ_BYTE * p_data,
402 OPJ_UINT32 * p_data_written,
403 OPJ_UINT32 p_total_data_size,
404 opj_stream_private_t *p_stream,
405 struct opj_event_mgr * p_manager);
406
407 static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
408 OPJ_BYTE * p_data,
409 OPJ_UINT32 * p_data_written,
410 OPJ_UINT32 p_total_data_size,
411 opj_stream_private_t *p_stream,
412 struct opj_event_mgr * p_manager);
413
414 /**
415 * Gets the offset of the header.
416 *
417 * @param p_stream the stream to write data to.
418 * @param p_j2k J2K codec.
419 * @param p_manager the user event manager.
420 */
421 static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
422 opj_stream_private_t *p_stream,
423 opj_event_mgr_t * p_manager);
424
425 static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k);
426
427 /*
428 * -----------------------------------------------------------------------
429 * -----------------------------------------------------------------------
430 * -----------------------------------------------------------------------
431 */
432
433 /**
434 * Writes the SOC marker (Start Of Codestream)
435 *
436 * @param p_stream the stream to write data to.
437 * @param p_j2k J2K codec.
438 * @param p_manager the user event manager.
439 */
440 static OPJ_BOOL opj_j2k_write_soc(opj_j2k_t *p_j2k,
441 opj_stream_private_t *p_stream,
442 opj_event_mgr_t * p_manager);
443
444 /**
445 * Reads a SOC marker (Start of Codestream)
446 * @param p_j2k the jpeg2000 file codec.
447 * @param p_stream XXX needs data
448 * @param p_manager the user event manager.
449 */
450 static OPJ_BOOL opj_j2k_read_soc(opj_j2k_t *p_j2k,
451 opj_stream_private_t *p_stream,
452 opj_event_mgr_t * p_manager);
453
454 /**
455 * Writes the SIZ marker (image and tile size)
456 *
457 * @param p_j2k J2K codec.
458 * @param p_stream the stream to write data to.
459 * @param p_manager the user event manager.
460 */
461 static OPJ_BOOL opj_j2k_write_siz(opj_j2k_t *p_j2k,
462 opj_stream_private_t *p_stream,
463 opj_event_mgr_t * p_manager);
464
465 /**
466 * Reads a SIZ marker (image and tile size)
467 * @param p_j2k the jpeg2000 file codec.
468 * @param p_header_data the data contained in the SIZ box.
469 * @param p_header_size the size of the data contained in the SIZ marker.
470 * @param p_manager the user event manager.
471 */
472 static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
473 OPJ_BYTE * p_header_data,
474 OPJ_UINT32 p_header_size,
475 opj_event_mgr_t * p_manager);
476
477 /**
478 * Writes the COM marker (comment)
479 *
480 * @param p_stream the stream to write data to.
481 * @param p_j2k J2K codec.
482 * @param p_manager the user event manager.
483 */
484 static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
485 opj_stream_private_t *p_stream,
486 opj_event_mgr_t * p_manager);
487
488 /**
489 * Reads a COM marker (comments)
490 * @param p_j2k the jpeg2000 file codec.
491 * @param p_header_data the data contained in the COM box.
492 * @param p_header_size the size of the data contained in the COM marker.
493 * @param p_manager the user event manager.
494 */
495 static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
496 OPJ_BYTE * p_header_data,
497 OPJ_UINT32 p_header_size,
498 opj_event_mgr_t * p_manager);
499 /**
500 * Writes the COD marker (Coding style default)
501 *
502 * @param p_stream the stream to write data to.
503 * @param p_j2k J2K codec.
504 * @param p_manager the user event manager.
505 */
506 static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
507 opj_stream_private_t *p_stream,
508 opj_event_mgr_t * p_manager);
509
510 /**
511 * Reads a COD marker (Coding Styke defaults)
512 * @param p_header_data the data contained in the COD box.
513 * @param p_j2k the jpeg2000 codec.
514 * @param p_header_size the size of the data contained in the COD marker.
515 * @param p_manager the user event manager.
516 */
517 static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
518 OPJ_BYTE * p_header_data,
519 OPJ_UINT32 p_header_size,
520 opj_event_mgr_t * p_manager);
521
522 /**
523 * Compares 2 COC markers (Coding style component)
524 *
525 * @param p_j2k J2K codec.
526 * @param p_first_comp_no the index of the first component to compare.
527 * @param p_second_comp_no the index of the second component to compare.
528 *
529 * @return OPJ_TRUE if equals
530 */
531 static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
532 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
533
534 /**
535 * Writes the COC marker (Coding style component)
536 *
537 * @param p_j2k J2K codec.
538 * @param p_comp_no the index of the component to output.
539 * @param p_stream the stream to write data to.
540 * @param p_manager the user event manager.
541 */
542 static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
543 OPJ_UINT32 p_comp_no,
544 opj_stream_private_t *p_stream,
545 opj_event_mgr_t * p_manager);
546
547 /**
548 * Writes the COC marker (Coding style component)
549 *
550 * @param p_j2k J2K codec.
551 * @param p_comp_no the index of the component to output.
552 * @param p_data FIXME DOC
553 * @param p_data_written FIXME DOC
554 * @param p_manager the user event manager.
555 */
556 static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
557 OPJ_UINT32 p_comp_no,
558 OPJ_BYTE * p_data,
559 OPJ_UINT32 * p_data_written,
560 opj_event_mgr_t * p_manager);
561
562 /**
563 * Gets the maximum size taken by a coc.
564 *
565 * @param p_j2k the jpeg2000 codec to use.
566 */
567 static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k);
568
569 /**
570 * Reads a COC marker (Coding Style Component)
571 * @param p_header_data the data contained in the COC box.
572 * @param p_j2k the jpeg2000 codec.
573 * @param p_header_size the size of the data contained in the COC marker.
574 * @param p_manager the user event manager.
575 */
576 static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
577 OPJ_BYTE * p_header_data,
578 OPJ_UINT32 p_header_size,
579 opj_event_mgr_t * p_manager);
580
581 /**
582 * Writes the QCD marker (quantization default)
583 *
584 * @param p_j2k J2K codec.
585 * @param p_stream the stream to write data to.
586 * @param p_manager the user event manager.
587 */
588 static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
589 opj_stream_private_t *p_stream,
590 opj_event_mgr_t * p_manager);
591
592 /**
593 * Reads a QCD marker (Quantization defaults)
594 * @param p_header_data the data contained in the QCD box.
595 * @param p_j2k the jpeg2000 codec.
596 * @param p_header_size the size of the data contained in the QCD marker.
597 * @param p_manager the user event manager.
598 */
599 static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
600 OPJ_BYTE * p_header_data,
601 OPJ_UINT32 p_header_size,
602 opj_event_mgr_t * p_manager);
603
604 /**
605 * Compare QCC markers (quantization component)
606 *
607 * @param p_j2k J2K codec.
608 * @param p_first_comp_no the index of the first component to compare.
609 * @param p_second_comp_no the index of the second component to compare.
610 *
611 * @return OPJ_TRUE if equals.
612 */
613 static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
614 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
615
616 /**
617 * Writes the QCC marker (quantization component)
618 *
619 * @param p_comp_no the index of the component to output.
620 * @param p_stream the stream to write data to.
621 * @param p_j2k J2K codec.
622 * @param p_manager the user event manager.
623 */
624 static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
625 OPJ_UINT32 p_comp_no,
626 opj_stream_private_t *p_stream,
627 opj_event_mgr_t * p_manager);
628
629 /**
630 * Writes the QCC marker (quantization component)
631 *
632 * @param p_j2k J2K codec.
633 * @param p_comp_no the index of the component to output.
634 * @param p_data FIXME DOC
635 * @param p_data_written the stream to write data to.
636 * @param p_manager the user event manager.
637 */
638 static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
639 OPJ_UINT32 p_comp_no,
640 OPJ_BYTE * p_data,
641 OPJ_UINT32 * p_data_written,
642 opj_event_mgr_t * p_manager);
643
644 /**
645 * Gets the maximum size taken by a qcc.
646 */
647 static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k);
648
649 /**
650 * Reads a QCC marker (Quantization component)
651 * @param p_header_data the data contained in the QCC box.
652 * @param p_j2k the jpeg2000 codec.
653 * @param p_header_size the size of the data contained in the QCC marker.
654 * @param p_manager the user event manager.
655 */
656 static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
657 OPJ_BYTE * p_header_data,
658 OPJ_UINT32 p_header_size,
659 opj_event_mgr_t * p_manager);
660 /**
661 * Writes the POC marker (Progression Order Change)
662 *
663 * @param p_stream the stream to write data to.
664 * @param p_j2k J2K codec.
665 * @param p_manager the user event manager.
666 */
667 static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
668 opj_stream_private_t *p_stream,
669 opj_event_mgr_t * p_manager);
670 /**
671 * Writes the POC marker (Progression Order Change)
672 *
673 * @param p_j2k J2K codec.
674 * @param p_data FIXME DOC
675 * @param p_data_written the stream to write data to.
676 * @param p_manager the user event manager.
677 */
678 static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
679 OPJ_BYTE * p_data,
680 OPJ_UINT32 * p_data_written,
681 opj_event_mgr_t * p_manager);
682 /**
683 * Gets the maximum size taken by the writing of a POC.
684 */
685 static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k);
686
687 /**
688 * Reads a POC marker (Progression Order Change)
689 *
690 * @param p_header_data the data contained in the POC box.
691 * @param p_j2k the jpeg2000 codec.
692 * @param p_header_size the size of the data contained in the POC marker.
693 * @param p_manager the user event manager.
694 */
695 static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
696 OPJ_BYTE * p_header_data,
697 OPJ_UINT32 p_header_size,
698 opj_event_mgr_t * p_manager);
699
700 /**
701 * Gets the maximum size taken by the toc headers of all the tile parts of any given tile.
702 */
703 static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k);
704
705 /**
706 * Gets the maximum size taken by the headers of the SOT.
707 *
708 * @param p_j2k the jpeg2000 codec to use.
709 */
710 static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k);
711
712 /**
713 * Reads a CRG marker (Component registration)
714 *
715 * @param p_header_data the data contained in the TLM box.
716 * @param p_j2k the jpeg2000 codec.
717 * @param p_header_size the size of the data contained in the TLM marker.
718 * @param p_manager the user event manager.
719 */
720 static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
721 OPJ_BYTE * p_header_data,
722 OPJ_UINT32 p_header_size,
723 opj_event_mgr_t * p_manager);
724 /**
725 * Reads a TLM marker (Tile Length Marker)
726 *
727 * @param p_header_data the data contained in the TLM box.
728 * @param p_j2k the jpeg2000 codec.
729 * @param p_header_size the size of the data contained in the TLM marker.
730 * @param p_manager the user event manager.
731 */
732 static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
733 OPJ_BYTE * p_header_data,
734 OPJ_UINT32 p_header_size,
735 opj_event_mgr_t * p_manager);
736
737 /**
738 * Writes the updated tlm.
739 *
740 * @param p_stream the stream to write data to.
741 * @param p_j2k J2K codec.
742 * @param p_manager the user event manager.
743 */
744 static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
745 opj_stream_private_t *p_stream,
746 opj_event_mgr_t * p_manager);
747
748 /**
749 * Reads a PLM marker (Packet length, main header marker)
750 *
751 * @param p_header_data the data contained in the TLM box.
752 * @param p_j2k the jpeg2000 codec.
753 * @param p_header_size the size of the data contained in the TLM marker.
754 * @param p_manager the user event manager.
755 */
756 static OPJ_BOOL opj_j2k_read_plm(opj_j2k_t *p_j2k,
757 OPJ_BYTE * p_header_data,
758 OPJ_UINT32 p_header_size,
759 opj_event_mgr_t * p_manager);
760 /**
761 * Reads a PLT marker (Packet length, tile-part header)
762 *
763 * @param p_header_data the data contained in the PLT box.
764 * @param p_j2k the jpeg2000 codec.
765 * @param p_header_size the size of the data contained in the PLT marker.
766 * @param p_manager the user event manager.
767 */
768 static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
769 OPJ_BYTE * p_header_data,
770 OPJ_UINT32 p_header_size,
771 opj_event_mgr_t * p_manager);
772
773 /**
774 * Reads a PPM marker (Packed headers, main header)
775 *
776 * @param p_header_data the data contained in the POC box.
777 * @param p_j2k the jpeg2000 codec.
778 * @param p_header_size the size of the data contained in the POC marker.
779 * @param p_manager the user event manager.
780 */
781
782 static OPJ_BOOL opj_j2k_read_ppm(
783 opj_j2k_t *p_j2k,
784 OPJ_BYTE * p_header_data,
785 OPJ_UINT32 p_header_size,
786 opj_event_mgr_t * p_manager);
787
788 /**
789 * Merges all PPM markers read (Packed headers, main header)
790 *
791 * @param p_cp main coding parameters.
792 * @param p_manager the user event manager.
793 */
794 static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager);
795
796 /**
797 * Reads a PPT marker (Packed packet headers, tile-part header)
798 *
799 * @param p_header_data the data contained in the PPT box.
800 * @param p_j2k the jpeg2000 codec.
801 * @param p_header_size the size of the data contained in the PPT marker.
802 * @param p_manager the user event manager.
803 */
804 static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
805 OPJ_BYTE * p_header_data,
806 OPJ_UINT32 p_header_size,
807 opj_event_mgr_t * p_manager);
808
809 /**
810 * Merges all PPT markers read (Packed headers, tile-part header)
811 *
812 * @param p_tcp the tile.
813 * @param p_manager the user event manager.
814 */
815 static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp,
816 opj_event_mgr_t * p_manager);
817
818
819 /**
820 * Writes the TLM marker (Tile Length Marker)
821 *
822 * @param p_stream the stream to write data to.
823 * @param p_j2k J2K codec.
824 * @param p_manager the user event manager.
825 */
826 static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
827 opj_stream_private_t *p_stream,
828 opj_event_mgr_t * p_manager);
829
830 /**
831 * Writes the SOT marker (Start of tile-part)
832 *
833 * @param p_j2k J2K codec.
834 * @param p_data Output buffer
835 * @param p_total_data_size Output buffer size
836 * @param p_data_written Number of bytes written into stream
837 * @param p_stream the stream to write data to.
838 * @param p_manager the user event manager.
839 */
840 static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
841 OPJ_BYTE * p_data,
842 OPJ_UINT32 p_total_data_size,
843 OPJ_UINT32 * p_data_written,
844 const opj_stream_private_t *p_stream,
845 opj_event_mgr_t * p_manager);
846
847 /**
848 * Reads values from a SOT marker (Start of tile-part)
849 *
850 * the j2k decoder state is not affected. No side effects, no checks except for p_header_size.
851 *
852 * @param p_header_data the data contained in the SOT marker.
853 * @param p_header_size the size of the data contained in the SOT marker.
854 * @param p_tile_no Isot.
855 * @param p_tot_len Psot.
856 * @param p_current_part TPsot.
857 * @param p_num_parts TNsot.
858 * @param p_manager the user event manager.
859 */
860 static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
861 OPJ_UINT32 p_header_size,
862 OPJ_UINT32* p_tile_no,
863 OPJ_UINT32* p_tot_len,
864 OPJ_UINT32* p_current_part,
865 OPJ_UINT32* p_num_parts,
866 opj_event_mgr_t * p_manager);
867 /**
868 * Reads a SOT marker (Start of tile-part)
869 *
870 * @param p_header_data the data contained in the SOT marker.
871 * @param p_j2k the jpeg2000 codec.
872 * @param p_header_size the size of the data contained in the PPT marker.
873 * @param p_manager the user event manager.
874 */
875 static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
876 OPJ_BYTE * p_header_data,
877 OPJ_UINT32 p_header_size,
878 opj_event_mgr_t * p_manager);
879 /**
880 * Writes the SOD marker (Start of data)
881 *
882 * @param p_j2k J2K codec.
883 * @param p_tile_coder FIXME DOC
884 * @param p_data FIXME DOC
885 * @param p_data_written FIXME DOC
886 * @param p_total_data_size FIXME DOC
887 * @param p_stream the stream to write data to.
888 * @param p_manager the user event manager.
889 */
890 static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
891 opj_tcd_t * p_tile_coder,
892 OPJ_BYTE * p_data,
893 OPJ_UINT32 * p_data_written,
894 OPJ_UINT32 p_total_data_size,
895 const opj_stream_private_t *p_stream,
896 opj_event_mgr_t * p_manager);
897
898 /**
899 * Reads a SOD marker (Start Of Data)
900 *
901 * @param p_j2k the jpeg2000 codec.
902 * @param p_stream FIXME DOC
903 * @param p_manager the user event manager.
904 */
905 static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
906 opj_stream_private_t *p_stream,
907 opj_event_mgr_t * p_manager);
908
opj_j2k_update_tlm(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_part_size)909 static void opj_j2k_update_tlm(opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size)
910 {
911 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
912 p_j2k->m_current_tile_number, 1); /* PSOT */
913 ++p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current;
914
915 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
916 p_tile_part_size, 4); /* PSOT */
917 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 4;
918 }
919
920 /**
921 * Writes the RGN marker (Region Of Interest)
922 *
923 * @param p_tile_no the tile to output
924 * @param p_comp_no the component to output
925 * @param nb_comps the number of components
926 * @param p_stream the stream to write data to.
927 * @param p_j2k J2K codec.
928 * @param p_manager the user event manager.
929 */
930 static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
931 OPJ_UINT32 p_tile_no,
932 OPJ_UINT32 p_comp_no,
933 OPJ_UINT32 nb_comps,
934 opj_stream_private_t *p_stream,
935 opj_event_mgr_t * p_manager);
936
937 /**
938 * Reads a RGN marker (Region Of Interest)
939 *
940 * @param p_header_data the data contained in the POC box.
941 * @param p_j2k the jpeg2000 codec.
942 * @param p_header_size the size of the data contained in the POC marker.
943 * @param p_manager the user event manager.
944 */
945 static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
946 OPJ_BYTE * p_header_data,
947 OPJ_UINT32 p_header_size,
948 opj_event_mgr_t * p_manager);
949
950 /**
951 * Writes the EOC marker (End of Codestream)
952 *
953 * @param p_stream the stream to write data to.
954 * @param p_j2k J2K codec.
955 * @param p_manager the user event manager.
956 */
957 static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
958 opj_stream_private_t *p_stream,
959 opj_event_mgr_t * p_manager);
960
961 #if 0
962 /**
963 * Reads a EOC marker (End Of Codestream)
964 *
965 * @param p_j2k the jpeg2000 codec.
966 * @param p_stream FIXME DOC
967 * @param p_manager the user event manager.
968 */
969 static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
970 opj_stream_private_t *p_stream,
971 opj_event_mgr_t * p_manager);
972 #endif
973
974 /**
975 * Writes the CBD-MCT-MCC-MCO markers (Multi components transform)
976 *
977 * @param p_stream the stream to write data to.
978 * @param p_j2k J2K codec.
979 * @param p_manager the user event manager.
980 */
981 static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
982 opj_stream_private_t *p_stream,
983 opj_event_mgr_t * p_manager);
984
985 /**
986 * Inits the Info
987 *
988 * @param p_stream the stream to write data to.
989 * @param p_j2k J2K codec.
990 * @param p_manager the user event manager.
991 */
992 static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
993 opj_stream_private_t *p_stream,
994 opj_event_mgr_t * p_manager);
995
996 /**
997 Add main header marker information
998 @param cstr_index Codestream information structure
999 @param type marker type
1000 @param pos byte offset of marker segment
1001 @param len length of marker segment
1002 */
1003 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
1004 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) ;
1005 /**
1006 Add tile header marker information
1007 @param tileno tile index number
1008 @param cstr_index Codestream information structure
1009 @param type marker type
1010 @param pos byte offset of marker segment
1011 @param len length of marker segment
1012 */
1013 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
1014 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
1015 OPJ_UINT32 len);
1016
1017 /**
1018 * Reads an unknown marker
1019 *
1020 * @param p_j2k the jpeg2000 codec.
1021 * @param p_stream the stream object to read from.
1022 * @param output_marker FIXME DOC
1023 * @param p_manager the user event manager.
1024 *
1025 * @return true if the marker could be deduced.
1026 */
1027 static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
1028 opj_stream_private_t *p_stream,
1029 OPJ_UINT32 *output_marker,
1030 opj_event_mgr_t * p_manager);
1031
1032 /**
1033 * Writes the MCT marker (Multiple Component Transform)
1034 *
1035 * @param p_j2k J2K codec.
1036 * @param p_mct_record FIXME DOC
1037 * @param p_stream the stream to write data to.
1038 * @param p_manager the user event manager.
1039 */
1040 static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
1041 opj_mct_data_t * p_mct_record,
1042 opj_stream_private_t *p_stream,
1043 opj_event_mgr_t * p_manager);
1044
1045 /**
1046 * Reads a MCT marker (Multiple Component Transform)
1047 *
1048 * @param p_header_data the data contained in the MCT box.
1049 * @param p_j2k the jpeg2000 codec.
1050 * @param p_header_size the size of the data contained in the MCT marker.
1051 * @param p_manager the user event manager.
1052 */
1053 static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
1054 OPJ_BYTE * p_header_data,
1055 OPJ_UINT32 p_header_size,
1056 opj_event_mgr_t * p_manager);
1057
1058 /**
1059 * Writes the MCC marker (Multiple Component Collection)
1060 *
1061 * @param p_j2k J2K codec.
1062 * @param p_mcc_record FIXME DOC
1063 * @param p_stream the stream to write data to.
1064 * @param p_manager the user event manager.
1065 */
1066 static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
1067 opj_simple_mcc_decorrelation_data_t * p_mcc_record,
1068 opj_stream_private_t *p_stream,
1069 opj_event_mgr_t * p_manager);
1070
1071 /**
1072 * Reads a MCC marker (Multiple Component Collection)
1073 *
1074 * @param p_header_data the data contained in the MCC box.
1075 * @param p_j2k the jpeg2000 codec.
1076 * @param p_header_size the size of the data contained in the MCC marker.
1077 * @param p_manager the user event manager.
1078 */
1079 static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
1080 OPJ_BYTE * p_header_data,
1081 OPJ_UINT32 p_header_size,
1082 opj_event_mgr_t * p_manager);
1083
1084 /**
1085 * Writes the MCO marker (Multiple component transformation ordering)
1086 *
1087 * @param p_stream the stream to write data to.
1088 * @param p_j2k J2K codec.
1089 * @param p_manager the user event manager.
1090 */
1091 static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
1092 opj_stream_private_t *p_stream,
1093 opj_event_mgr_t * p_manager);
1094
1095 /**
1096 * Reads a MCO marker (Multiple Component Transform Ordering)
1097 *
1098 * @param p_header_data the data contained in the MCO box.
1099 * @param p_j2k the jpeg2000 codec.
1100 * @param p_header_size the size of the data contained in the MCO marker.
1101 * @param p_manager the user event manager.
1102 */
1103 static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
1104 OPJ_BYTE * p_header_data,
1105 OPJ_UINT32 p_header_size,
1106 opj_event_mgr_t * p_manager);
1107
1108 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
1109 OPJ_UINT32 p_index);
1110
1111 static void opj_j2k_read_int16_to_float(const void * p_src_data,
1112 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1113 static void opj_j2k_read_int32_to_float(const void * p_src_data,
1114 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1115 static void opj_j2k_read_float32_to_float(const void * p_src_data,
1116 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1117 static void opj_j2k_read_float64_to_float(const void * p_src_data,
1118 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1119
1120 static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1121 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1122 static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1123 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1124 static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1125 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1126 static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1127 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1128
1129 static void opj_j2k_write_float_to_int16(const void * p_src_data,
1130 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1131 static void opj_j2k_write_float_to_int32(const void * p_src_data,
1132 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1133 static void opj_j2k_write_float_to_float(const void * p_src_data,
1134 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1135 static void opj_j2k_write_float_to_float64(const void * p_src_data,
1136 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1137
1138 /**
1139 * Ends the encoding, i.e. frees memory.
1140 *
1141 * @param p_stream the stream to write data to.
1142 * @param p_j2k J2K codec.
1143 * @param p_manager the user event manager.
1144 */
1145 static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
1146 opj_stream_private_t *p_stream,
1147 opj_event_mgr_t * p_manager);
1148
1149 /**
1150 * Writes the CBD marker (Component bit depth definition)
1151 *
1152 * @param p_stream the stream to write data to.
1153 * @param p_j2k J2K codec.
1154 * @param p_manager the user event manager.
1155 */
1156 static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
1157 opj_stream_private_t *p_stream,
1158 opj_event_mgr_t * p_manager);
1159
1160 /**
1161 * Reads a CBD marker (Component bit depth definition)
1162 * @param p_header_data the data contained in the CBD box.
1163 * @param p_j2k the jpeg2000 codec.
1164 * @param p_header_size the size of the data contained in the CBD marker.
1165 * @param p_manager the user event manager.
1166 */
1167 static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
1168 OPJ_BYTE * p_header_data,
1169 OPJ_UINT32 p_header_size,
1170 opj_event_mgr_t * p_manager);
1171
1172
1173 /**
1174 * Writes COC marker for each component.
1175 *
1176 * @param p_stream the stream to write data to.
1177 * @param p_j2k J2K codec.
1178 * @param p_manager the user event manager.
1179 */
1180 static OPJ_BOOL opj_j2k_write_all_coc(opj_j2k_t *p_j2k,
1181 opj_stream_private_t *p_stream,
1182 opj_event_mgr_t * p_manager);
1183
1184 /**
1185 * Writes QCC marker for each component.
1186 *
1187 * @param p_stream the stream to write data to.
1188 * @param p_j2k J2K codec.
1189 * @param p_manager the user event manager.
1190 */
1191 static OPJ_BOOL opj_j2k_write_all_qcc(opj_j2k_t *p_j2k,
1192 opj_stream_private_t *p_stream,
1193 opj_event_mgr_t * p_manager);
1194
1195 /**
1196 * Writes regions of interests.
1197 *
1198 * @param p_stream the stream to write data to.
1199 * @param p_j2k J2K codec.
1200 * @param p_manager the user event manager.
1201 */
1202 static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
1203 opj_stream_private_t *p_stream,
1204 opj_event_mgr_t * p_manager);
1205
1206 /**
1207 * Writes EPC ????
1208 *
1209 * @param p_stream the stream to write data to.
1210 * @param p_j2k J2K codec.
1211 * @param p_manager the user event manager.
1212 */
1213 static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
1214 opj_stream_private_t *p_stream,
1215 opj_event_mgr_t * p_manager);
1216
1217 /**
1218 * Checks the progression order changes values. Tells of the poc given as input are valid.
1219 * A nice message is outputted at errors.
1220 *
1221 * @param p_pocs the progression order changes.
1222 * @param p_nb_pocs the number of progression order changes.
1223 * @param p_nb_resolutions the number of resolutions.
1224 * @param numcomps the number of components
1225 * @param numlayers the number of layers.
1226 * @param p_manager the user event manager.
1227 *
1228 * @return true if the pocs are valid.
1229 */
1230 static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
1231 OPJ_UINT32 p_nb_pocs,
1232 OPJ_UINT32 p_nb_resolutions,
1233 OPJ_UINT32 numcomps,
1234 OPJ_UINT32 numlayers,
1235 opj_event_mgr_t * p_manager);
1236
1237 /**
1238 * Gets the number of tile parts used for the given change of progression (if any) and the given tile.
1239 *
1240 * @param cp the coding parameters.
1241 * @param pino the offset of the given poc (i.e. its position in the coding parameter).
1242 * @param tileno the given tile.
1243 *
1244 * @return the number of tile parts.
1245 */
1246 static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
1247 OPJ_UINT32 tileno);
1248
1249 /**
1250 * Calculates the total number of tile parts needed by the encoder to
1251 * encode such an image. If not enough memory is available, then the function return false.
1252 *
1253 * @param p_nb_tiles pointer that will hold the number of tile parts.
1254 * @param cp the coding parameters for the image.
1255 * @param image the image to encode.
1256 * @param p_j2k the p_j2k encoder.
1257 * @param p_manager the user event manager.
1258 *
1259 * @return true if the function was successful, false else.
1260 */
1261 static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
1262 opj_cp_t *cp,
1263 OPJ_UINT32 * p_nb_tiles,
1264 opj_image_t *image,
1265 opj_event_mgr_t * p_manager);
1266
1267 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream);
1268
1269 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream);
1270
1271 static opj_codestream_index_t* opj_j2k_create_cstr_index(void);
1272
1273 static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp);
1274
1275 static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp);
1276
1277 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres);
1278
1279 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
1280 opj_image_t *image, opj_event_mgr_t *p_manager);
1281
1282 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
1283 opj_event_mgr_t *p_manager);
1284
1285 /**
1286 * Checks for invalid number of tile-parts in SOT marker (TPsot==TNsot). See issue 254.
1287 *
1288 * @param p_stream the stream to read data from.
1289 * @param tile_no tile number we're looking for.
1290 * @param p_correction_needed output value. if true, non conformant codestream needs TNsot correction.
1291 * @param p_manager the user event manager.
1292 *
1293 * @return true if the function was successful, false else.
1294 */
1295 static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
1296 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
1297 opj_event_mgr_t * p_manager);
1298
1299 /*@}*/
1300
1301 /*@}*/
1302
1303 /* ----------------------------------------------------------------------- */
1304 typedef struct j2k_prog_order {
1305 OPJ_PROG_ORDER enum_prog;
1306 char str_prog[5];
1307 } j2k_prog_order_t;
1308
1309 static const j2k_prog_order_t j2k_prog_order_list[] = {
1310 {OPJ_CPRL, "CPRL"},
1311 {OPJ_LRCP, "LRCP"},
1312 {OPJ_PCRL, "PCRL"},
1313 {OPJ_RLCP, "RLCP"},
1314 {OPJ_RPCL, "RPCL"},
1315 {(OPJ_PROG_ORDER) - 1, ""}
1316 };
1317
1318 /**
1319 * FIXME DOC
1320 */
1321 static const OPJ_UINT32 MCT_ELEMENT_SIZE [] = {
1322 2,
1323 4,
1324 4,
1325 8
1326 };
1327
1328 typedef void (* opj_j2k_mct_function)(const void * p_src_data,
1329 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1330
1331 static const opj_j2k_mct_function j2k_mct_read_functions_to_float [] = {
1332 opj_j2k_read_int16_to_float,
1333 opj_j2k_read_int32_to_float,
1334 opj_j2k_read_float32_to_float,
1335 opj_j2k_read_float64_to_float
1336 };
1337
1338 static const opj_j2k_mct_function j2k_mct_read_functions_to_int32 [] = {
1339 opj_j2k_read_int16_to_int32,
1340 opj_j2k_read_int32_to_int32,
1341 opj_j2k_read_float32_to_int32,
1342 opj_j2k_read_float64_to_int32
1343 };
1344
1345 static const opj_j2k_mct_function j2k_mct_write_functions_from_float [] = {
1346 opj_j2k_write_float_to_int16,
1347 opj_j2k_write_float_to_int32,
1348 opj_j2k_write_float_to_float,
1349 opj_j2k_write_float_to_float64
1350 };
1351
1352 typedef struct opj_dec_memory_marker_handler {
1353 /** marker value */
1354 OPJ_UINT32 id;
1355 /** value of the state when the marker can appear */
1356 OPJ_UINT32 states;
1357 /** action linked to the marker */
1358 OPJ_BOOL(*handler)(opj_j2k_t *p_j2k,
1359 OPJ_BYTE * p_header_data,
1360 OPJ_UINT32 p_header_size,
1361 opj_event_mgr_t * p_manager);
1362 }
1363 opj_dec_memory_marker_handler_t;
1364
1365 static const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab [] =
1366 {
1367 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, opj_j2k_read_sot},
1368 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_cod},
1369 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_coc},
1370 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_rgn},
1371 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcd},
1372 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcc},
1373 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_poc},
1374 {J2K_MS_SIZ, J2K_STATE_MHSIZ, opj_j2k_read_siz},
1375 {J2K_MS_TLM, J2K_STATE_MH, opj_j2k_read_tlm},
1376 {J2K_MS_PLM, J2K_STATE_MH, opj_j2k_read_plm},
1377 {J2K_MS_PLT, J2K_STATE_TPH, opj_j2k_read_plt},
1378 {J2K_MS_PPM, J2K_STATE_MH, opj_j2k_read_ppm},
1379 {J2K_MS_PPT, J2K_STATE_TPH, opj_j2k_read_ppt},
1380 {J2K_MS_SOP, 0, 0},
1381 {J2K_MS_CRG, J2K_STATE_MH, opj_j2k_read_crg},
1382 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_com},
1383 {J2K_MS_MCT, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mct},
1384 {J2K_MS_CBD, J2K_STATE_MH, opj_j2k_read_cbd},
1385 {J2K_MS_MCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mcc},
1386 {J2K_MS_MCO, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mco},
1387 #ifdef USE_JPWL
1388 #ifdef TODO_MS /* remove these functions which are not commpatible with the v2 API */
1389 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1390 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1391 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1392 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1393 #endif
1394 #endif /* USE_JPWL */
1395 #ifdef USE_JPSEC
1396 {J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec},
1397 {J2K_MS_INSEC, 0, j2k_read_insec}
1398 #endif /* USE_JPSEC */
1399 {J2K_MS_UNK, J2K_STATE_MH | J2K_STATE_TPH, 0}/*opj_j2k_read_unk is directly used*/
1400 };
1401
opj_j2k_read_int16_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1402 static void opj_j2k_read_int16_to_float(const void * p_src_data,
1403 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1404 {
1405 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1406 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1407 OPJ_UINT32 i;
1408 OPJ_UINT32 l_temp;
1409
1410 for (i = 0; i < p_nb_elem; ++i) {
1411 opj_read_bytes(l_src_data, &l_temp, 2);
1412
1413 l_src_data += sizeof(OPJ_INT16);
1414
1415 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1416 }
1417 }
1418
opj_j2k_read_int32_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1419 static void opj_j2k_read_int32_to_float(const void * p_src_data,
1420 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1421 {
1422 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1423 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1424 OPJ_UINT32 i;
1425 OPJ_UINT32 l_temp;
1426
1427 for (i = 0; i < p_nb_elem; ++i) {
1428 opj_read_bytes(l_src_data, &l_temp, 4);
1429
1430 l_src_data += sizeof(OPJ_INT32);
1431
1432 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1433 }
1434 }
1435
opj_j2k_read_float32_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1436 static void opj_j2k_read_float32_to_float(const void * p_src_data,
1437 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1438 {
1439 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1440 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1441 OPJ_UINT32 i;
1442 OPJ_FLOAT32 l_temp;
1443
1444 for (i = 0; i < p_nb_elem; ++i) {
1445 opj_read_float(l_src_data, &l_temp);
1446
1447 l_src_data += sizeof(OPJ_FLOAT32);
1448
1449 *(l_dest_data++) = l_temp;
1450 }
1451 }
1452
opj_j2k_read_float64_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1453 static void opj_j2k_read_float64_to_float(const void * p_src_data,
1454 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1455 {
1456 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1457 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1458 OPJ_UINT32 i;
1459 OPJ_FLOAT64 l_temp;
1460
1461 for (i = 0; i < p_nb_elem; ++i) {
1462 opj_read_double(l_src_data, &l_temp);
1463
1464 l_src_data += sizeof(OPJ_FLOAT64);
1465
1466 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1467 }
1468 }
1469
opj_j2k_read_int16_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1470 static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1471 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1472 {
1473 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1474 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1475 OPJ_UINT32 i;
1476 OPJ_UINT32 l_temp;
1477
1478 for (i = 0; i < p_nb_elem; ++i) {
1479 opj_read_bytes(l_src_data, &l_temp, 2);
1480
1481 l_src_data += sizeof(OPJ_INT16);
1482
1483 *(l_dest_data++) = (OPJ_INT32) l_temp;
1484 }
1485 }
1486
opj_j2k_read_int32_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1487 static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1488 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1489 {
1490 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1491 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1492 OPJ_UINT32 i;
1493 OPJ_UINT32 l_temp;
1494
1495 for (i = 0; i < p_nb_elem; ++i) {
1496 opj_read_bytes(l_src_data, &l_temp, 4);
1497
1498 l_src_data += sizeof(OPJ_INT32);
1499
1500 *(l_dest_data++) = (OPJ_INT32) l_temp;
1501 }
1502 }
1503
opj_j2k_read_float32_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1504 static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1505 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1506 {
1507 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1508 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1509 OPJ_UINT32 i;
1510 OPJ_FLOAT32 l_temp;
1511
1512 for (i = 0; i < p_nb_elem; ++i) {
1513 opj_read_float(l_src_data, &l_temp);
1514
1515 l_src_data += sizeof(OPJ_FLOAT32);
1516
1517 *(l_dest_data++) = (OPJ_INT32) l_temp;
1518 }
1519 }
1520
opj_j2k_read_float64_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1521 static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1522 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1523 {
1524 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1525 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1526 OPJ_UINT32 i;
1527 OPJ_FLOAT64 l_temp;
1528
1529 for (i = 0; i < p_nb_elem; ++i) {
1530 opj_read_double(l_src_data, &l_temp);
1531
1532 l_src_data += sizeof(OPJ_FLOAT64);
1533
1534 *(l_dest_data++) = (OPJ_INT32) l_temp;
1535 }
1536 }
1537
opj_j2k_write_float_to_int16(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1538 static void opj_j2k_write_float_to_int16(const void * p_src_data,
1539 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1540 {
1541 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1542 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1543 OPJ_UINT32 i;
1544 OPJ_UINT32 l_temp;
1545
1546 for (i = 0; i < p_nb_elem; ++i) {
1547 l_temp = (OPJ_UINT32) * (l_src_data++);
1548
1549 opj_write_bytes(l_dest_data, l_temp, sizeof(OPJ_INT16));
1550
1551 l_dest_data += sizeof(OPJ_INT16);
1552 }
1553 }
1554
opj_j2k_write_float_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1555 static void opj_j2k_write_float_to_int32(const void * p_src_data,
1556 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1557 {
1558 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1559 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1560 OPJ_UINT32 i;
1561 OPJ_UINT32 l_temp;
1562
1563 for (i = 0; i < p_nb_elem; ++i) {
1564 l_temp = (OPJ_UINT32) * (l_src_data++);
1565
1566 opj_write_bytes(l_dest_data, l_temp, sizeof(OPJ_INT32));
1567
1568 l_dest_data += sizeof(OPJ_INT32);
1569 }
1570 }
1571
opj_j2k_write_float_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1572 static void opj_j2k_write_float_to_float(const void * p_src_data,
1573 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1574 {
1575 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1576 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1577 OPJ_UINT32 i;
1578 OPJ_FLOAT32 l_temp;
1579
1580 for (i = 0; i < p_nb_elem; ++i) {
1581 l_temp = (OPJ_FLOAT32) * (l_src_data++);
1582
1583 opj_write_float(l_dest_data, l_temp);
1584
1585 l_dest_data += sizeof(OPJ_FLOAT32);
1586 }
1587 }
1588
opj_j2k_write_float_to_float64(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1589 static void opj_j2k_write_float_to_float64(const void * p_src_data,
1590 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1591 {
1592 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1593 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1594 OPJ_UINT32 i;
1595 OPJ_FLOAT64 l_temp;
1596
1597 for (i = 0; i < p_nb_elem; ++i) {
1598 l_temp = (OPJ_FLOAT64) * (l_src_data++);
1599
1600 opj_write_double(l_dest_data, l_temp);
1601
1602 l_dest_data += sizeof(OPJ_FLOAT64);
1603 }
1604 }
1605
opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)1606 const char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)
1607 {
1608 const j2k_prog_order_t *po;
1609 for (po = j2k_prog_order_list; po->enum_prog != -1; po++) {
1610 if (po->enum_prog == prg_order) {
1611 return po->str_prog;
1612 }
1613 }
1614 return po->str_prog;
1615 }
1616
opj_j2k_check_poc_val(const opj_poc_t * p_pocs,OPJ_UINT32 p_nb_pocs,OPJ_UINT32 p_nb_resolutions,OPJ_UINT32 p_num_comps,OPJ_UINT32 p_num_layers,opj_event_mgr_t * p_manager)1617 static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
1618 OPJ_UINT32 p_nb_pocs,
1619 OPJ_UINT32 p_nb_resolutions,
1620 OPJ_UINT32 p_num_comps,
1621 OPJ_UINT32 p_num_layers,
1622 opj_event_mgr_t * p_manager)
1623 {
1624 OPJ_UINT32* packet_array;
1625 OPJ_UINT32 index, resno, compno, layno;
1626 OPJ_UINT32 i;
1627 OPJ_UINT32 step_c = 1;
1628 OPJ_UINT32 step_r = p_num_comps * step_c;
1629 OPJ_UINT32 step_l = p_nb_resolutions * step_r;
1630 OPJ_BOOL loss = OPJ_FALSE;
1631 OPJ_UINT32 layno0 = 0;
1632
1633 packet_array = (OPJ_UINT32*) opj_calloc(step_l * p_num_layers,
1634 sizeof(OPJ_UINT32));
1635 if (packet_array == 00) {
1636 opj_event_msg(p_manager, EVT_ERROR,
1637 "Not enough memory for checking the poc values.\n");
1638 return OPJ_FALSE;
1639 }
1640
1641 if (p_nb_pocs == 0) {
1642 opj_free(packet_array);
1643 return OPJ_TRUE;
1644 }
1645
1646 index = step_r * p_pocs->resno0;
1647 /* take each resolution for each poc */
1648 for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) {
1649 OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
1650
1651 /* take each comp of each resolution for each poc */
1652 for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
1653 OPJ_UINT32 comp_index = res_index + layno0 * step_l;
1654
1655 /* and finally take each layer of each res of ... */
1656 for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
1657 /*index = step_r * resno + step_c * compno + step_l * layno;*/
1658 packet_array[comp_index] = 1;
1659 comp_index += step_l;
1660 }
1661
1662 res_index += step_c;
1663 }
1664
1665 index += step_r;
1666 }
1667 ++p_pocs;
1668
1669 /* iterate through all the pocs */
1670 for (i = 1; i < p_nb_pocs ; ++i) {
1671 OPJ_UINT32 l_last_layno1 = (p_pocs - 1)->layno1 ;
1672
1673 layno0 = (p_pocs->layno1 > l_last_layno1) ? l_last_layno1 : 0;
1674 index = step_r * p_pocs->resno0;
1675
1676 /* take each resolution for each poc */
1677 for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) {
1678 OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
1679
1680 /* take each comp of each resolution for each poc */
1681 for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
1682 OPJ_UINT32 comp_index = res_index + layno0 * step_l;
1683
1684 /* and finally take each layer of each res of ... */
1685 for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
1686 /*index = step_r * resno + step_c * compno + step_l * layno;*/
1687 packet_array[comp_index] = 1;
1688 comp_index += step_l;
1689 }
1690
1691 res_index += step_c;
1692 }
1693
1694 index += step_r;
1695 }
1696
1697 ++p_pocs;
1698 }
1699
1700 index = 0;
1701 for (layno = 0; layno < p_num_layers ; ++layno) {
1702 for (resno = 0; resno < p_nb_resolutions; ++resno) {
1703 for (compno = 0; compno < p_num_comps; ++compno) {
1704 loss |= (packet_array[index] != 1);
1705 /*index = step_r * resno + step_c * compno + step_l * layno;*/
1706 index += step_c;
1707 }
1708 }
1709 }
1710
1711 if (loss) {
1712 opj_event_msg(p_manager, EVT_ERROR, "Missing packets possible loss of data\n");
1713 }
1714
1715 opj_free(packet_array);
1716
1717 return !loss;
1718 }
1719
1720 /* ----------------------------------------------------------------------- */
1721
opj_j2k_get_num_tp(opj_cp_t * cp,OPJ_UINT32 pino,OPJ_UINT32 tileno)1722 static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
1723 OPJ_UINT32 tileno)
1724 {
1725 const OPJ_CHAR *prog = 00;
1726 OPJ_INT32 i;
1727 OPJ_UINT32 tpnum = 1;
1728 opj_tcp_t *tcp = 00;
1729 opj_poc_t * l_current_poc = 00;
1730
1731 /* preconditions */
1732 assert(tileno < (cp->tw * cp->th));
1733 assert(pino < (cp->tcps[tileno].numpocs + 1));
1734
1735 /* get the given tile coding parameter */
1736 tcp = &cp->tcps[tileno];
1737 assert(tcp != 00);
1738
1739 l_current_poc = &(tcp->pocs[pino]);
1740 assert(l_current_poc != 0);
1741
1742 /* get the progression order as a character string */
1743 prog = opj_j2k_convert_progression_order(tcp->prg);
1744 assert(strlen(prog) > 0);
1745
1746 if (cp->m_specific_param.m_enc.m_tp_on == 1) {
1747 for (i = 0; i < 4; ++i) {
1748 switch (prog[i]) {
1749 /* component wise */
1750 case 'C':
1751 tpnum *= l_current_poc->compE;
1752 break;
1753 /* resolution wise */
1754 case 'R':
1755 tpnum *= l_current_poc->resE;
1756 break;
1757 /* precinct wise */
1758 case 'P':
1759 tpnum *= l_current_poc->prcE;
1760 break;
1761 /* layer wise */
1762 case 'L':
1763 tpnum *= l_current_poc->layE;
1764 break;
1765 }
1766 /* whould we split here ? */
1767 if (cp->m_specific_param.m_enc.m_tp_flag == prog[i]) {
1768 cp->m_specific_param.m_enc.m_tp_pos = i;
1769 break;
1770 }
1771 }
1772 } else {
1773 tpnum = 1;
1774 }
1775
1776 return tpnum;
1777 }
1778
opj_j2k_calculate_tp(opj_j2k_t * p_j2k,opj_cp_t * cp,OPJ_UINT32 * p_nb_tiles,opj_image_t * image,opj_event_mgr_t * p_manager)1779 static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
1780 opj_cp_t *cp,
1781 OPJ_UINT32 * p_nb_tiles,
1782 opj_image_t *image,
1783 opj_event_mgr_t * p_manager
1784 )
1785 {
1786 OPJ_UINT32 pino, tileno;
1787 OPJ_UINT32 l_nb_tiles;
1788 opj_tcp_t *tcp;
1789
1790 /* preconditions */
1791 assert(p_nb_tiles != 00);
1792 assert(cp != 00);
1793 assert(image != 00);
1794 assert(p_j2k != 00);
1795 assert(p_manager != 00);
1796
1797 OPJ_UNUSED(p_j2k);
1798 OPJ_UNUSED(p_manager);
1799
1800 l_nb_tiles = cp->tw * cp->th;
1801 * p_nb_tiles = 0;
1802 tcp = cp->tcps;
1803
1804 /* INDEX >> */
1805 /* TODO mergeV2: check this part which use cstr_info */
1806 /*if (p_j2k->cstr_info) {
1807 opj_tile_info_t * l_info_tile_ptr = p_j2k->cstr_info->tile;
1808
1809 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1810 OPJ_UINT32 cur_totnum_tp = 0;
1811
1812 opj_pi_update_encoding_parameters(image,cp,tileno);
1813
1814 for (pino = 0; pino <= tcp->numpocs; ++pino)
1815 {
1816 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp,pino,tileno);
1817
1818 *p_nb_tiles = *p_nb_tiles + tp_num;
1819
1820 cur_totnum_tp += tp_num;
1821 }
1822
1823 tcp->m_nb_tile_parts = cur_totnum_tp;
1824
1825 l_info_tile_ptr->tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
1826 if (l_info_tile_ptr->tp == 00) {
1827 return OPJ_FALSE;
1828 }
1829
1830 memset(l_info_tile_ptr->tp,0,cur_totnum_tp * sizeof(opj_tp_info_t));
1831
1832 l_info_tile_ptr->num_tps = cur_totnum_tp;
1833
1834 ++l_info_tile_ptr;
1835 ++tcp;
1836 }
1837 }
1838 else */{
1839 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1840 OPJ_UINT32 cur_totnum_tp = 0;
1841
1842 opj_pi_update_encoding_parameters(image, cp, tileno);
1843
1844 for (pino = 0; pino <= tcp->numpocs; ++pino) {
1845 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp, pino, tileno);
1846
1847 *p_nb_tiles = *p_nb_tiles + tp_num;
1848
1849 cur_totnum_tp += tp_num;
1850 }
1851 tcp->m_nb_tile_parts = cur_totnum_tp;
1852
1853 ++tcp;
1854 }
1855 }
1856
1857 return OPJ_TRUE;
1858 }
1859
opj_j2k_write_soc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1860 static OPJ_BOOL opj_j2k_write_soc(opj_j2k_t *p_j2k,
1861 opj_stream_private_t *p_stream,
1862 opj_event_mgr_t * p_manager)
1863 {
1864 /* 2 bytes will be written */
1865 OPJ_BYTE * l_start_stream = 00;
1866
1867 /* preconditions */
1868 assert(p_stream != 00);
1869 assert(p_j2k != 00);
1870 assert(p_manager != 00);
1871
1872 l_start_stream = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
1873
1874 /* write SOC identifier */
1875 opj_write_bytes(l_start_stream, J2K_MS_SOC, 2);
1876
1877 if (opj_stream_write_data(p_stream, l_start_stream, 2, p_manager) != 2) {
1878 return OPJ_FALSE;
1879 }
1880
1881 /* UniPG>> */
1882 #ifdef USE_JPWL
1883 /* update markers struct */
1884 /*
1885 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOC, p_stream_tell(p_stream) - 2, 2);
1886 */
1887 assert(0 && "TODO");
1888 #endif /* USE_JPWL */
1889 /* <<UniPG */
1890
1891 return OPJ_TRUE;
1892 }
1893
1894 /**
1895 * Reads a SOC marker (Start of Codestream)
1896 * @param p_j2k the jpeg2000 file codec.
1897 * @param p_stream FIXME DOC
1898 * @param p_manager the user event manager.
1899 */
opj_j2k_read_soc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1900 static OPJ_BOOL opj_j2k_read_soc(opj_j2k_t *p_j2k,
1901 opj_stream_private_t *p_stream,
1902 opj_event_mgr_t * p_manager
1903 )
1904 {
1905 OPJ_BYTE l_data [2];
1906 OPJ_UINT32 l_marker;
1907
1908 /* preconditions */
1909 assert(p_j2k != 00);
1910 assert(p_manager != 00);
1911 assert(p_stream != 00);
1912
1913 if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
1914 return OPJ_FALSE;
1915 }
1916
1917 opj_read_bytes(l_data, &l_marker, 2);
1918 if (l_marker != J2K_MS_SOC) {
1919 return OPJ_FALSE;
1920 }
1921
1922 /* Next marker should be a SIZ marker in the main header */
1923 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSIZ;
1924
1925 /* FIXME move it in a index structure included in p_j2k*/
1926 p_j2k->cstr_index->main_head_start = opj_stream_tell(p_stream) - 2;
1927
1928 opj_event_msg(p_manager, EVT_INFO, "Start to read j2k main header (%d).\n",
1929 p_j2k->cstr_index->main_head_start);
1930
1931 /* Add the marker to the codestream index*/
1932 if (OPJ_FALSE == opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_SOC,
1933 p_j2k->cstr_index->main_head_start, 2)) {
1934 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
1935 return OPJ_FALSE;
1936 }
1937 return OPJ_TRUE;
1938 }
1939
opj_j2k_write_siz(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1940 static OPJ_BOOL opj_j2k_write_siz(opj_j2k_t *p_j2k,
1941 opj_stream_private_t *p_stream,
1942 opj_event_mgr_t * p_manager)
1943 {
1944 OPJ_UINT32 i;
1945 OPJ_UINT32 l_size_len;
1946 OPJ_BYTE * l_current_ptr;
1947 opj_image_t * l_image = 00;
1948 opj_cp_t *cp = 00;
1949 opj_image_comp_t * l_img_comp = 00;
1950
1951 /* preconditions */
1952 assert(p_stream != 00);
1953 assert(p_j2k != 00);
1954 assert(p_manager != 00);
1955
1956 l_image = p_j2k->m_private_image;
1957 cp = &(p_j2k->m_cp);
1958 l_size_len = 40 + 3 * l_image->numcomps;
1959 l_img_comp = l_image->comps;
1960
1961 if (l_size_len > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
1962
1963 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
1964 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len);
1965 if (! new_header_tile_data) {
1966 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
1967 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
1968 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
1969 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory for the SIZ marker\n");
1970 return OPJ_FALSE;
1971 }
1972 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
1973 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_size_len;
1974 }
1975
1976 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
1977
1978 /* write SOC identifier */
1979 opj_write_bytes(l_current_ptr, J2K_MS_SIZ, 2); /* SIZ */
1980 l_current_ptr += 2;
1981
1982 opj_write_bytes(l_current_ptr, l_size_len - 2, 2); /* L_SIZ */
1983 l_current_ptr += 2;
1984
1985 opj_write_bytes(l_current_ptr, cp->rsiz, 2); /* Rsiz (capabilities) */
1986 l_current_ptr += 2;
1987
1988 opj_write_bytes(l_current_ptr, l_image->x1, 4); /* Xsiz */
1989 l_current_ptr += 4;
1990
1991 opj_write_bytes(l_current_ptr, l_image->y1, 4); /* Ysiz */
1992 l_current_ptr += 4;
1993
1994 opj_write_bytes(l_current_ptr, l_image->x0, 4); /* X0siz */
1995 l_current_ptr += 4;
1996
1997 opj_write_bytes(l_current_ptr, l_image->y0, 4); /* Y0siz */
1998 l_current_ptr += 4;
1999
2000 opj_write_bytes(l_current_ptr, cp->tdx, 4); /* XTsiz */
2001 l_current_ptr += 4;
2002
2003 opj_write_bytes(l_current_ptr, cp->tdy, 4); /* YTsiz */
2004 l_current_ptr += 4;
2005
2006 opj_write_bytes(l_current_ptr, cp->tx0, 4); /* XT0siz */
2007 l_current_ptr += 4;
2008
2009 opj_write_bytes(l_current_ptr, cp->ty0, 4); /* YT0siz */
2010 l_current_ptr += 4;
2011
2012 opj_write_bytes(l_current_ptr, l_image->numcomps, 2); /* Csiz */
2013 l_current_ptr += 2;
2014
2015 for (i = 0; i < l_image->numcomps; ++i) {
2016 /* TODO here with MCT ? */
2017 opj_write_bytes(l_current_ptr, l_img_comp->prec - 1 + (l_img_comp->sgnd << 7),
2018 1); /* Ssiz_i */
2019 ++l_current_ptr;
2020
2021 opj_write_bytes(l_current_ptr, l_img_comp->dx, 1); /* XRsiz_i */
2022 ++l_current_ptr;
2023
2024 opj_write_bytes(l_current_ptr, l_img_comp->dy, 1); /* YRsiz_i */
2025 ++l_current_ptr;
2026
2027 ++l_img_comp;
2028 }
2029
2030 if (opj_stream_write_data(p_stream,
2031 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len,
2032 p_manager) != l_size_len) {
2033 return OPJ_FALSE;
2034 }
2035
2036 return OPJ_TRUE;
2037 }
2038
2039 /**
2040 * Reads a SIZ marker (image and tile size)
2041 * @param p_j2k the jpeg2000 file codec.
2042 * @param p_header_data the data contained in the SIZ box.
2043 * @param p_header_size the size of the data contained in the SIZ marker.
2044 * @param p_manager the user event manager.
2045 */
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)2046 static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
2047 OPJ_BYTE * p_header_data,
2048 OPJ_UINT32 p_header_size,
2049 opj_event_mgr_t * p_manager
2050 )
2051 {
2052 OPJ_UINT32 i;
2053 OPJ_UINT32 l_nb_comp;
2054 OPJ_UINT32 l_nb_comp_remain;
2055 OPJ_UINT32 l_remaining_size;
2056 OPJ_UINT32 l_nb_tiles;
2057 OPJ_UINT32 l_tmp, l_tx1, l_ty1;
2058 OPJ_UINT32 l_prec0, l_sgnd0;
2059 opj_image_t *l_image = 00;
2060 opj_cp_t *l_cp = 00;
2061 opj_image_comp_t * l_img_comp = 00;
2062 opj_tcp_t * l_current_tile_param = 00;
2063
2064 /* preconditions */
2065 assert(p_j2k != 00);
2066 assert(p_manager != 00);
2067 assert(p_header_data != 00);
2068
2069 l_image = p_j2k->m_private_image;
2070 l_cp = &(p_j2k->m_cp);
2071
2072 /* minimum size == 39 - 3 (= minimum component parameter) */
2073 if (p_header_size < 36) {
2074 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
2075 return OPJ_FALSE;
2076 }
2077
2078 l_remaining_size = p_header_size - 36;
2079 l_nb_comp = l_remaining_size / 3;
2080 l_nb_comp_remain = l_remaining_size % 3;
2081 if (l_nb_comp_remain != 0) {
2082 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
2083 return OPJ_FALSE;
2084 }
2085
2086 opj_read_bytes(p_header_data, &l_tmp,
2087 2); /* Rsiz (capabilities) */
2088 p_header_data += 2;
2089 l_cp->rsiz = (OPJ_UINT16) l_tmp;
2090 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x1, 4); /* Xsiz */
2091 p_header_data += 4;
2092 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y1, 4); /* Ysiz */
2093 p_header_data += 4;
2094 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x0, 4); /* X0siz */
2095 p_header_data += 4;
2096 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y0, 4); /* Y0siz */
2097 p_header_data += 4;
2098 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdx,
2099 4); /* XTsiz */
2100 p_header_data += 4;
2101 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdy,
2102 4); /* YTsiz */
2103 p_header_data += 4;
2104 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tx0,
2105 4); /* XT0siz */
2106 p_header_data += 4;
2107 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->ty0,
2108 4); /* YT0siz */
2109 p_header_data += 4;
2110 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_tmp,
2111 2); /* Csiz */
2112 p_header_data += 2;
2113 if (l_tmp < 16385) {
2114 l_image->numcomps = (OPJ_UINT16) l_tmp;
2115 } else {
2116 opj_event_msg(p_manager, EVT_ERROR,
2117 "Error with SIZ marker: number of component is illegal -> %d\n", l_tmp);
2118 return OPJ_FALSE;
2119 }
2120
2121 if (l_image->numcomps != l_nb_comp) {
2122 opj_event_msg(p_manager, EVT_ERROR,
2123 "Error with SIZ marker: number of component is not compatible with the remaining number of parameters ( %d vs %d)\n",
2124 l_image->numcomps, l_nb_comp);
2125 return OPJ_FALSE;
2126 }
2127
2128 /* testcase 4035.pdf.SIGSEGV.d8b.3375 */
2129 /* testcase issue427-null-image-size.jp2 */
2130 if ((l_image->x0 >= l_image->x1) || (l_image->y0 >= l_image->y1)) {
2131 opj_event_msg(p_manager, EVT_ERROR,
2132 "Error with SIZ marker: negative or zero image size (%" PRId64 " x %" PRId64
2133 ")\n", (OPJ_INT64)l_image->x1 - l_image->x0,
2134 (OPJ_INT64)l_image->y1 - l_image->y0);
2135 return OPJ_FALSE;
2136 }
2137 /* testcase 2539.pdf.SIGFPE.706.1712 (also 3622.pdf.SIGFPE.706.2916 and 4008.pdf.SIGFPE.706.3345 and maybe more) */
2138 if ((l_cp->tdx == 0U) || (l_cp->tdy == 0U)) {
2139 opj_event_msg(p_manager, EVT_ERROR,
2140 "Error with SIZ marker: invalid tile size (tdx: %d, tdy: %d)\n", l_cp->tdx,
2141 l_cp->tdy);
2142 return OPJ_FALSE;
2143 }
2144
2145 /* testcase issue427-illegal-tile-offset.jp2 */
2146 l_tx1 = opj_uint_adds(l_cp->tx0, l_cp->tdx); /* manage overflow */
2147 l_ty1 = opj_uint_adds(l_cp->ty0, l_cp->tdy); /* manage overflow */
2148 if ((l_cp->tx0 > l_image->x0) || (l_cp->ty0 > l_image->y0) ||
2149 (l_tx1 <= l_image->x0) || (l_ty1 <= l_image->y0)) {
2150 opj_event_msg(p_manager, EVT_ERROR,
2151 "Error with SIZ marker: illegal tile offset\n");
2152 return OPJ_FALSE;
2153 }
2154 if (!p_j2k->dump_state) {
2155 OPJ_UINT32 siz_w, siz_h;
2156
2157 siz_w = l_image->x1 - l_image->x0;
2158 siz_h = l_image->y1 - l_image->y0;
2159
2160 if (p_j2k->ihdr_w > 0 && p_j2k->ihdr_h > 0
2161 && (p_j2k->ihdr_w != siz_w || p_j2k->ihdr_h != siz_h)) {
2162 opj_event_msg(p_manager, EVT_ERROR,
2163 "Error with SIZ marker: IHDR w(%u) h(%u) vs. SIZ w(%u) h(%u)\n", p_j2k->ihdr_w,
2164 p_j2k->ihdr_h, siz_w, siz_h);
2165 return OPJ_FALSE;
2166 }
2167 }
2168 #ifdef USE_JPWL
2169 if (l_cp->correct) {
2170 /* if JPWL is on, we check whether TX errors have damaged
2171 too much the SIZ parameters */
2172 if (!(l_image->x1 * l_image->y1)) {
2173 opj_event_msg(p_manager, EVT_ERROR,
2174 "JPWL: bad image size (%d x %d)\n",
2175 l_image->x1, l_image->y1);
2176 if (!JPWL_ASSUME) {
2177 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2178 return OPJ_FALSE;
2179 }
2180 }
2181
2182 /* FIXME check previously in the function so why keep this piece of code ? Need by the norm ?
2183 if (l_image->numcomps != ((len - 38) / 3)) {
2184 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2185 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
2186 l_image->numcomps, ((len - 38) / 3));
2187 if (!JPWL_ASSUME) {
2188 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2189 return OPJ_FALSE;
2190 }
2191 */ /* we try to correct */
2192 /* opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n");
2193 if (l_image->numcomps < ((len - 38) / 3)) {
2194 len = 38 + 3 * l_image->numcomps;
2195 opj_event_msg(p_manager, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
2196 len);
2197 } else {
2198 l_image->numcomps = ((len - 38) / 3);
2199 opj_event_msg(p_manager, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
2200 l_image->numcomps);
2201 }
2202 }
2203 */
2204
2205 /* update components number in the jpwl_exp_comps filed */
2206 l_cp->exp_comps = l_image->numcomps;
2207 }
2208 #endif /* USE_JPWL */
2209
2210 /* Allocate the resulting image components */
2211 l_image->comps = (opj_image_comp_t*) opj_calloc(l_image->numcomps,
2212 sizeof(opj_image_comp_t));
2213 if (l_image->comps == 00) {
2214 l_image->numcomps = 0;
2215 opj_event_msg(p_manager, EVT_ERROR,
2216 "Not enough memory to take in charge SIZ marker\n");
2217 return OPJ_FALSE;
2218 }
2219
2220 l_img_comp = l_image->comps;
2221
2222 l_prec0 = 0;
2223 l_sgnd0 = 0;
2224 /* Read the component information */
2225 for (i = 0; i < l_image->numcomps; ++i) {
2226 OPJ_UINT32 tmp;
2227 opj_read_bytes(p_header_data, &tmp, 1); /* Ssiz_i */
2228 ++p_header_data;
2229 l_img_comp->prec = (tmp & 0x7f) + 1;
2230 l_img_comp->sgnd = tmp >> 7;
2231
2232 if (p_j2k->dump_state == 0) {
2233 if (i == 0) {
2234 l_prec0 = l_img_comp->prec;
2235 l_sgnd0 = l_img_comp->sgnd;
2236 } else if (!l_cp->allow_different_bit_depth_sign
2237 && (l_img_comp->prec != l_prec0 || l_img_comp->sgnd != l_sgnd0)) {
2238 opj_event_msg(p_manager, EVT_WARNING,
2239 "Despite JP2 BPC!=255, precision and/or sgnd values for comp[%d] is different than comp[0]:\n"
2240 " [0] prec(%d) sgnd(%d) [%d] prec(%d) sgnd(%d)\n", i, l_prec0, l_sgnd0,
2241 i, l_img_comp->prec, l_img_comp->sgnd);
2242 }
2243 /* TODO: we should perhaps also check against JP2 BPCC values */
2244 }
2245 opj_read_bytes(p_header_data, &tmp, 1); /* XRsiz_i */
2246 ++p_header_data;
2247 l_img_comp->dx = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2248 opj_read_bytes(p_header_data, &tmp, 1); /* YRsiz_i */
2249 ++p_header_data;
2250 l_img_comp->dy = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2251 if (l_img_comp->dx < 1 || l_img_comp->dx > 255 ||
2252 l_img_comp->dy < 1 || l_img_comp->dy > 255) {
2253 opj_event_msg(p_manager, EVT_ERROR,
2254 "Invalid values for comp = %d : dx=%u dy=%u (should be between 1 and 255 according to the JPEG2000 norm)\n",
2255 i, l_img_comp->dx, l_img_comp->dy);
2256 return OPJ_FALSE;
2257 }
2258 /* Avoids later undefined shift in computation of */
2259 /* p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2260 << (l_image->comps[i].prec - 1); */
2261 if (l_img_comp->prec > 31) {
2262 opj_event_msg(p_manager, EVT_ERROR,
2263 "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",
2264 i, l_img_comp->prec);
2265 return OPJ_FALSE;
2266 }
2267 #ifdef USE_JPWL
2268 if (l_cp->correct) {
2269 /* if JPWL is on, we check whether TX errors have damaged
2270 too much the SIZ parameters, again */
2271 if (!(l_image->comps[i].dx * l_image->comps[i].dy)) {
2272 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2273 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
2274 i, i, l_image->comps[i].dx, l_image->comps[i].dy);
2275 if (!JPWL_ASSUME) {
2276 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2277 return OPJ_FALSE;
2278 }
2279 /* we try to correct */
2280 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2281 if (!l_image->comps[i].dx) {
2282 l_image->comps[i].dx = 1;
2283 opj_event_msg(p_manager, EVT_WARNING,
2284 "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
2285 i, l_image->comps[i].dx);
2286 }
2287 if (!l_image->comps[i].dy) {
2288 l_image->comps[i].dy = 1;
2289 opj_event_msg(p_manager, EVT_WARNING,
2290 "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
2291 i, l_image->comps[i].dy);
2292 }
2293 }
2294 }
2295 #endif /* USE_JPWL */
2296 l_img_comp->resno_decoded =
2297 0; /* number of resolution decoded */
2298 l_img_comp->factor =
2299 l_cp->m_specific_param.m_dec.m_reduce; /* reducing factor per component */
2300 ++l_img_comp;
2301 }
2302
2303 if (l_cp->tdx == 0 || l_cp->tdy == 0) {
2304 return OPJ_FALSE;
2305 }
2306
2307 /* Compute the number of tiles */
2308 l_cp->tw = opj_uint_ceildiv(l_image->x1 - l_cp->tx0, l_cp->tdx);
2309 l_cp->th = opj_uint_ceildiv(l_image->y1 - l_cp->ty0, l_cp->tdy);
2310
2311 /* Check that the number of tiles is valid */
2312 if (l_cp->tw == 0 || l_cp->th == 0 || l_cp->tw > 65535 / l_cp->th) {
2313 opj_event_msg(p_manager, EVT_ERROR,
2314 "Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
2315 l_cp->tw, l_cp->th);
2316 return OPJ_FALSE;
2317 }
2318 l_nb_tiles = l_cp->tw * l_cp->th;
2319
2320 /* Define the tiles which will be decoded */
2321 if (p_j2k->m_specific_param.m_decoder.m_discard_tiles) {
2322 p_j2k->m_specific_param.m_decoder.m_start_tile_x =
2323 (p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
2324 p_j2k->m_specific_param.m_decoder.m_start_tile_y =
2325 (p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
2326 p_j2k->m_specific_param.m_decoder.m_end_tile_x = opj_uint_ceildiv(
2327 p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0, l_cp->tdx);
2328 p_j2k->m_specific_param.m_decoder.m_end_tile_y = opj_uint_ceildiv(
2329 p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0, l_cp->tdy);
2330 } else {
2331 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
2332 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
2333 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
2334 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
2335 }
2336
2337 #ifdef USE_JPWL
2338 if (l_cp->correct) {
2339 /* if JPWL is on, we check whether TX errors have damaged
2340 too much the SIZ parameters */
2341 if ((l_cp->tw < 1) || (l_cp->th < 1) || (l_cp->tw > l_cp->max_tiles) ||
2342 (l_cp->th > l_cp->max_tiles)) {
2343 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2344 "JPWL: bad number of tiles (%d x %d)\n",
2345 l_cp->tw, l_cp->th);
2346 if (!JPWL_ASSUME) {
2347 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2348 return OPJ_FALSE;
2349 }
2350 /* we try to correct */
2351 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2352 if (l_cp->tw < 1) {
2353 l_cp->tw = 1;
2354 opj_event_msg(p_manager, EVT_WARNING,
2355 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2356 l_cp->tw);
2357 }
2358 if (l_cp->tw > l_cp->max_tiles) {
2359 l_cp->tw = 1;
2360 opj_event_msg(p_manager, EVT_WARNING,
2361 "- too large x, increase expectance of %d\n"
2362 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2363 l_cp->max_tiles, l_cp->tw);
2364 }
2365 if (l_cp->th < 1) {
2366 l_cp->th = 1;
2367 opj_event_msg(p_manager, EVT_WARNING,
2368 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2369 l_cp->th);
2370 }
2371 if (l_cp->th > l_cp->max_tiles) {
2372 l_cp->th = 1;
2373 opj_event_msg(p_manager, EVT_WARNING,
2374 "- too large y, increase expectance of %d to continue\n",
2375 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2376 l_cp->max_tiles, l_cp->th);
2377 }
2378 }
2379 }
2380 #endif /* USE_JPWL */
2381
2382 /* memory allocations */
2383 l_cp->tcps = (opj_tcp_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_t));
2384 if (l_cp->tcps == 00) {
2385 opj_event_msg(p_manager, EVT_ERROR,
2386 "Not enough memory to take in charge SIZ marker\n");
2387 return OPJ_FALSE;
2388 }
2389
2390 #ifdef USE_JPWL
2391 if (l_cp->correct) {
2392 if (!l_cp->tcps) {
2393 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2394 "JPWL: could not alloc tcps field of cp\n");
2395 if (!JPWL_ASSUME) {
2396 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2397 return OPJ_FALSE;
2398 }
2399 }
2400 }
2401 #endif /* USE_JPWL */
2402
2403 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps =
2404 (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t));
2405 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps == 00) {
2406 opj_event_msg(p_manager, EVT_ERROR,
2407 "Not enough memory to take in charge SIZ marker\n");
2408 return OPJ_FALSE;
2409 }
2410
2411 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records =
2412 (opj_mct_data_t*)opj_calloc(OPJ_J2K_MCT_DEFAULT_NB_RECORDS,
2413 sizeof(opj_mct_data_t));
2414
2415 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records) {
2416 opj_event_msg(p_manager, EVT_ERROR,
2417 "Not enough memory to take in charge SIZ marker\n");
2418 return OPJ_FALSE;
2419 }
2420 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records =
2421 OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
2422
2423 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records =
2424 (opj_simple_mcc_decorrelation_data_t*)
2425 opj_calloc(OPJ_J2K_MCC_DEFAULT_NB_RECORDS,
2426 sizeof(opj_simple_mcc_decorrelation_data_t));
2427
2428 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records) {
2429 opj_event_msg(p_manager, EVT_ERROR,
2430 "Not enough memory to take in charge SIZ marker\n");
2431 return OPJ_FALSE;
2432 }
2433 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records =
2434 OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
2435
2436 /* set up default dc level shift */
2437 for (i = 0; i < l_image->numcomps; ++i) {
2438 if (! l_image->comps[i].sgnd) {
2439 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2440 << (l_image->comps[i].prec - 1);
2441 }
2442 }
2443
2444 l_current_tile_param = l_cp->tcps;
2445 for (i = 0; i < l_nb_tiles; ++i) {
2446 l_current_tile_param->tccps = (opj_tccp_t*) opj_calloc(l_image->numcomps,
2447 sizeof(opj_tccp_t));
2448 if (l_current_tile_param->tccps == 00) {
2449 opj_event_msg(p_manager, EVT_ERROR,
2450 "Not enough memory to take in charge SIZ marker\n");
2451 return OPJ_FALSE;
2452 }
2453
2454 ++l_current_tile_param;
2455 }
2456
2457 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MH;
2458 opj_image_comp_header_update(l_image, l_cp);
2459
2460 return OPJ_TRUE;
2461 }
2462
opj_j2k_write_com(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2463 static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
2464 opj_stream_private_t *p_stream,
2465 opj_event_mgr_t * p_manager
2466 )
2467 {
2468 OPJ_UINT32 l_comment_size;
2469 OPJ_UINT32 l_total_com_size;
2470 const OPJ_CHAR *l_comment;
2471 OPJ_BYTE * l_current_ptr = 00;
2472
2473 /* preconditions */
2474 assert(p_j2k != 00);
2475 assert(p_stream != 00);
2476 assert(p_manager != 00);
2477
2478 l_comment = p_j2k->m_cp.comment;
2479 l_comment_size = (OPJ_UINT32)strlen(l_comment);
2480 l_total_com_size = l_comment_size + 6;
2481
2482 if (l_total_com_size >
2483 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2484 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2485 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size);
2486 if (! new_header_tile_data) {
2487 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2488 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2489 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2490 opj_event_msg(p_manager, EVT_ERROR,
2491 "Not enough memory to write the COM marker\n");
2492 return OPJ_FALSE;
2493 }
2494 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2495 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_total_com_size;
2496 }
2497
2498 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2499
2500 opj_write_bytes(l_current_ptr, J2K_MS_COM, 2); /* COM */
2501 l_current_ptr += 2;
2502
2503 opj_write_bytes(l_current_ptr, l_total_com_size - 2, 2); /* L_COM */
2504 l_current_ptr += 2;
2505
2506 opj_write_bytes(l_current_ptr, 1,
2507 2); /* General use (IS 8859-15:1999 (Latin) values) */
2508 l_current_ptr += 2;
2509
2510 memcpy(l_current_ptr, l_comment, l_comment_size);
2511
2512 if (opj_stream_write_data(p_stream,
2513 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size,
2514 p_manager) != l_total_com_size) {
2515 return OPJ_FALSE;
2516 }
2517
2518 return OPJ_TRUE;
2519 }
2520
2521 /**
2522 * Reads a COM marker (comments)
2523 * @param p_j2k the jpeg2000 file codec.
2524 * @param p_header_data the data contained in the COM box.
2525 * @param p_header_size the size of the data contained in the COM marker.
2526 * @param p_manager the user event manager.
2527 */
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)2528 static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
2529 OPJ_BYTE * p_header_data,
2530 OPJ_UINT32 p_header_size,
2531 opj_event_mgr_t * p_manager
2532 )
2533 {
2534 /* preconditions */
2535 assert(p_j2k != 00);
2536 assert(p_manager != 00);
2537 assert(p_header_data != 00);
2538
2539 OPJ_UNUSED(p_j2k);
2540 OPJ_UNUSED(p_header_data);
2541 OPJ_UNUSED(p_header_size);
2542 OPJ_UNUSED(p_manager);
2543
2544 return OPJ_TRUE;
2545 }
2546
opj_j2k_write_cod(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2547 static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
2548 opj_stream_private_t *p_stream,
2549 opj_event_mgr_t * p_manager)
2550 {
2551 opj_cp_t *l_cp = 00;
2552 opj_tcp_t *l_tcp = 00;
2553 OPJ_UINT32 l_code_size, l_remaining_size;
2554 OPJ_BYTE * l_current_data = 00;
2555
2556 /* preconditions */
2557 assert(p_j2k != 00);
2558 assert(p_manager != 00);
2559 assert(p_stream != 00);
2560
2561 l_cp = &(p_j2k->m_cp);
2562 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2563 l_code_size = 9 + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2564 p_j2k->m_current_tile_number, 0);
2565 l_remaining_size = l_code_size;
2566
2567 if (l_code_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2568 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2569 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size);
2570 if (! new_header_tile_data) {
2571 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2572 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2573 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2574 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COD marker\n");
2575 return OPJ_FALSE;
2576 }
2577 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2578 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_code_size;
2579 }
2580
2581 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2582
2583 opj_write_bytes(l_current_data, J2K_MS_COD, 2); /* COD */
2584 l_current_data += 2;
2585
2586 opj_write_bytes(l_current_data, l_code_size - 2, 2); /* L_COD */
2587 l_current_data += 2;
2588
2589 opj_write_bytes(l_current_data, l_tcp->csty, 1); /* Scod */
2590 ++l_current_data;
2591
2592 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tcp->prg, 1); /* SGcod (A) */
2593 ++l_current_data;
2594
2595 opj_write_bytes(l_current_data, l_tcp->numlayers, 2); /* SGcod (B) */
2596 l_current_data += 2;
2597
2598 opj_write_bytes(l_current_data, l_tcp->mct, 1); /* SGcod (C) */
2599 ++l_current_data;
2600
2601 l_remaining_size -= 9;
2602
2603 if (! opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
2604 l_current_data, &l_remaining_size, p_manager)) {
2605 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2606 return OPJ_FALSE;
2607 }
2608
2609 if (l_remaining_size != 0) {
2610 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2611 return OPJ_FALSE;
2612 }
2613
2614 if (opj_stream_write_data(p_stream,
2615 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size,
2616 p_manager) != l_code_size) {
2617 return OPJ_FALSE;
2618 }
2619
2620 return OPJ_TRUE;
2621 }
2622
2623 /**
2624 * Reads a COD marker (Coding Styke defaults)
2625 * @param p_header_data the data contained in the COD box.
2626 * @param p_j2k the jpeg2000 codec.
2627 * @param p_header_size the size of the data contained in the COD marker.
2628 * @param p_manager the user event manager.
2629 */
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)2630 static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
2631 OPJ_BYTE * p_header_data,
2632 OPJ_UINT32 p_header_size,
2633 opj_event_mgr_t * p_manager
2634 )
2635 {
2636 /* loop */
2637 OPJ_UINT32 i;
2638 OPJ_UINT32 l_tmp;
2639 opj_cp_t *l_cp = 00;
2640 opj_tcp_t *l_tcp = 00;
2641 opj_image_t *l_image = 00;
2642
2643 /* preconditions */
2644 assert(p_header_data != 00);
2645 assert(p_j2k != 00);
2646 assert(p_manager != 00);
2647
2648 l_image = p_j2k->m_private_image;
2649 l_cp = &(p_j2k->m_cp);
2650
2651 /* If we are in the first tile-part header of the current tile */
2652 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
2653 &l_cp->tcps[p_j2k->m_current_tile_number] :
2654 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2655
2656 /* Only one COD per tile */
2657 if (l_tcp->cod) {
2658 opj_event_msg(p_manager, EVT_ERROR,
2659 "COD marker already read. No more than one COD marker per tile.\n");
2660 return OPJ_FALSE;
2661 }
2662 l_tcp->cod = 1;
2663
2664 /* Make sure room is sufficient */
2665 if (p_header_size < 5) {
2666 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2667 return OPJ_FALSE;
2668 }
2669
2670 opj_read_bytes(p_header_data, &l_tcp->csty, 1); /* Scod */
2671 ++p_header_data;
2672 /* Make sure we know how to decode this */
2673 if ((l_tcp->csty & ~(OPJ_UINT32)(J2K_CP_CSTY_PRT | J2K_CP_CSTY_SOP |
2674 J2K_CP_CSTY_EPH)) != 0U) {
2675 opj_event_msg(p_manager, EVT_ERROR, "Unknown Scod value in COD marker\n");
2676 return OPJ_FALSE;
2677 }
2678 opj_read_bytes(p_header_data, &l_tmp, 1); /* SGcod (A) */
2679 ++p_header_data;
2680 l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;
2681 /* Make sure progression order is valid */
2682 if (l_tcp->prg > OPJ_CPRL) {
2683 opj_event_msg(p_manager, EVT_ERROR,
2684 "Unknown progression order in COD marker\n");
2685 l_tcp->prg = OPJ_PROG_UNKNOWN;
2686 }
2687 opj_read_bytes(p_header_data, &l_tcp->numlayers, 2); /* SGcod (B) */
2688 p_header_data += 2;
2689
2690 if ((l_tcp->numlayers < 1U) || (l_tcp->numlayers > 65535U)) {
2691 opj_event_msg(p_manager, EVT_ERROR,
2692 "Invalid number of layers in COD marker : %d not in range [1-65535]\n",
2693 l_tcp->numlayers);
2694 return OPJ_FALSE;
2695 }
2696
2697 /* If user didn't set a number layer to decode take the max specify in the codestream. */
2698 if (l_cp->m_specific_param.m_dec.m_layer) {
2699 l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer;
2700 } else {
2701 l_tcp->num_layers_to_decode = l_tcp->numlayers;
2702 }
2703
2704 opj_read_bytes(p_header_data, &l_tcp->mct, 1); /* SGcod (C) */
2705 ++p_header_data;
2706
2707 p_header_size -= 5;
2708 for (i = 0; i < l_image->numcomps; ++i) {
2709 l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT;
2710 }
2711
2712 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, 0, p_header_data, &p_header_size,
2713 p_manager)) {
2714 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2715 return OPJ_FALSE;
2716 }
2717
2718 if (p_header_size != 0) {
2719 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2720 return OPJ_FALSE;
2721 }
2722
2723 /* Apply the coding style to other components of the current tile or the m_default_tcp*/
2724 opj_j2k_copy_tile_component_parameters(p_j2k);
2725
2726 /* Index */
2727 #ifdef WIP_REMOVE_MSD
2728 if (p_j2k->cstr_info) {
2729 /*opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info;*/
2730 p_j2k->cstr_info->prog = l_tcp->prg;
2731 p_j2k->cstr_info->numlayers = l_tcp->numlayers;
2732 p_j2k->cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(
2733 l_image->numcomps * sizeof(OPJ_UINT32));
2734 if (!p_j2k->cstr_info->numdecompos) {
2735 return OPJ_FALSE;
2736 }
2737 for (i = 0; i < l_image->numcomps; ++i) {
2738 p_j2k->cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1;
2739 }
2740 }
2741 #endif
2742
2743 return OPJ_TRUE;
2744 }
2745
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)2746 static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
2747 OPJ_UINT32 p_comp_no,
2748 opj_stream_private_t *p_stream,
2749 opj_event_mgr_t * p_manager)
2750 {
2751 OPJ_UINT32 l_coc_size, l_remaining_size;
2752 OPJ_UINT32 l_comp_room;
2753
2754 /* preconditions */
2755 assert(p_j2k != 00);
2756 assert(p_manager != 00);
2757 assert(p_stream != 00);
2758
2759 l_comp_room = (p_j2k->m_private_image->numcomps <= 256) ? 1 : 2;
2760
2761 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2762 p_j2k->m_current_tile_number, p_comp_no);
2763
2764 if (l_coc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2765 OPJ_BYTE *new_header_tile_data;
2766 /*p_j2k->m_specific_param.m_encoder.m_header_tile_data
2767 = (OPJ_BYTE*)opj_realloc(
2768 p_j2k->m_specific_param.m_encoder.m_header_tile_data,
2769 l_coc_size);*/
2770
2771 new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2772 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size);
2773 if (! new_header_tile_data) {
2774 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2775 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2776 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2777 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COC marker\n");
2778 return OPJ_FALSE;
2779 }
2780 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2781 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size;
2782 }
2783
2784 opj_j2k_write_coc_in_memory(p_j2k, p_comp_no,
2785 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
2786 p_manager);
2787
2788 if (opj_stream_write_data(p_stream,
2789 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size,
2790 p_manager) != l_coc_size) {
2791 return OPJ_FALSE;
2792 }
2793
2794 return OPJ_TRUE;
2795 }
2796
opj_j2k_compare_coc(opj_j2k_t * p_j2k,OPJ_UINT32 p_first_comp_no,OPJ_UINT32 p_second_comp_no)2797 static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
2798 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
2799 {
2800 opj_cp_t *l_cp = NULL;
2801 opj_tcp_t *l_tcp = NULL;
2802
2803 /* preconditions */
2804 assert(p_j2k != 00);
2805
2806 l_cp = &(p_j2k->m_cp);
2807 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2808
2809 if (l_tcp->tccps[p_first_comp_no].csty != l_tcp->tccps[p_second_comp_no].csty) {
2810 return OPJ_FALSE;
2811 }
2812
2813
2814 return opj_j2k_compare_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number,
2815 p_first_comp_no, p_second_comp_no);
2816 }
2817
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)2818 static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
2819 OPJ_UINT32 p_comp_no,
2820 OPJ_BYTE * p_data,
2821 OPJ_UINT32 * p_data_written,
2822 opj_event_mgr_t * p_manager
2823 )
2824 {
2825 opj_cp_t *l_cp = 00;
2826 opj_tcp_t *l_tcp = 00;
2827 OPJ_UINT32 l_coc_size, l_remaining_size;
2828 OPJ_BYTE * l_current_data = 00;
2829 opj_image_t *l_image = 00;
2830 OPJ_UINT32 l_comp_room;
2831
2832 /* preconditions */
2833 assert(p_j2k != 00);
2834 assert(p_manager != 00);
2835
2836 l_cp = &(p_j2k->m_cp);
2837 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2838 l_image = p_j2k->m_private_image;
2839 l_comp_room = (l_image->numcomps <= 256) ? 1 : 2;
2840
2841 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2842 p_j2k->m_current_tile_number, p_comp_no);
2843 l_remaining_size = l_coc_size;
2844
2845 l_current_data = p_data;
2846
2847 opj_write_bytes(l_current_data, J2K_MS_COC,
2848 2); /* COC */
2849 l_current_data += 2;
2850
2851 opj_write_bytes(l_current_data, l_coc_size - 2,
2852 2); /* L_COC */
2853 l_current_data += 2;
2854
2855 opj_write_bytes(l_current_data, p_comp_no, l_comp_room); /* Ccoc */
2856 l_current_data += l_comp_room;
2857
2858 opj_write_bytes(l_current_data, l_tcp->tccps[p_comp_no].csty,
2859 1); /* Scoc */
2860 ++l_current_data;
2861
2862 l_remaining_size -= (5 + l_comp_room);
2863 opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
2864 l_current_data, &l_remaining_size, p_manager);
2865 * p_data_written = l_coc_size;
2866 }
2867
opj_j2k_get_max_coc_size(opj_j2k_t * p_j2k)2868 static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k)
2869 {
2870 OPJ_UINT32 i, j;
2871 OPJ_UINT32 l_nb_comp;
2872 OPJ_UINT32 l_nb_tiles;
2873 OPJ_UINT32 l_max = 0;
2874
2875 /* preconditions */
2876
2877 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
2878 l_nb_comp = p_j2k->m_private_image->numcomps;
2879
2880 for (i = 0; i < l_nb_tiles; ++i) {
2881 for (j = 0; j < l_nb_comp; ++j) {
2882 l_max = opj_uint_max(l_max, opj_j2k_get_SPCod_SPCoc_size(p_j2k, i, j));
2883 }
2884 }
2885
2886 return 6 + l_max;
2887 }
2888
2889 /**
2890 * Reads a COC marker (Coding Style Component)
2891 * @param p_header_data the data contained in the COC box.
2892 * @param p_j2k the jpeg2000 codec.
2893 * @param p_header_size the size of the data contained in the COC marker.
2894 * @param p_manager the user event manager.
2895 */
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)2896 static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
2897 OPJ_BYTE * p_header_data,
2898 OPJ_UINT32 p_header_size,
2899 opj_event_mgr_t * p_manager
2900 )
2901 {
2902 opj_cp_t *l_cp = NULL;
2903 opj_tcp_t *l_tcp = NULL;
2904 opj_image_t *l_image = NULL;
2905 OPJ_UINT32 l_comp_room;
2906 OPJ_UINT32 l_comp_no;
2907
2908 /* preconditions */
2909 assert(p_header_data != 00);
2910 assert(p_j2k != 00);
2911 assert(p_manager != 00);
2912
2913 l_cp = &(p_j2k->m_cp);
2914 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
2915 ?
2916 &l_cp->tcps[p_j2k->m_current_tile_number] :
2917 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2918 l_image = p_j2k->m_private_image;
2919
2920 l_comp_room = l_image->numcomps <= 256 ? 1 : 2;
2921
2922 /* make sure room is sufficient*/
2923 if (p_header_size < l_comp_room + 1) {
2924 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2925 return OPJ_FALSE;
2926 }
2927 p_header_size -= l_comp_room + 1;
2928
2929 opj_read_bytes(p_header_data, &l_comp_no,
2930 l_comp_room); /* Ccoc */
2931 p_header_data += l_comp_room;
2932 if (l_comp_no >= l_image->numcomps) {
2933 opj_event_msg(p_manager, EVT_ERROR,
2934 "Error reading COC marker (bad number of components)\n");
2935 return OPJ_FALSE;
2936 }
2937
2938 opj_read_bytes(p_header_data, &l_tcp->tccps[l_comp_no].csty,
2939 1); /* Scoc */
2940 ++p_header_data ;
2941
2942 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, l_comp_no, p_header_data, &p_header_size,
2943 p_manager)) {
2944 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2945 return OPJ_FALSE;
2946 }
2947
2948 if (p_header_size != 0) {
2949 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2950 return OPJ_FALSE;
2951 }
2952 return OPJ_TRUE;
2953 }
2954
opj_j2k_write_qcd(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2955 static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
2956 opj_stream_private_t *p_stream,
2957 opj_event_mgr_t * p_manager
2958 )
2959 {
2960 OPJ_UINT32 l_qcd_size, l_remaining_size;
2961 OPJ_BYTE * l_current_data = 00;
2962
2963 /* preconditions */
2964 assert(p_j2k != 00);
2965 assert(p_manager != 00);
2966 assert(p_stream != 00);
2967
2968 l_qcd_size = 4 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
2969 0);
2970 l_remaining_size = l_qcd_size;
2971
2972 if (l_qcd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2973 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2974 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size);
2975 if (! new_header_tile_data) {
2976 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2977 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2978 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2979 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCD marker\n");
2980 return OPJ_FALSE;
2981 }
2982 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2983 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcd_size;
2984 }
2985
2986 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2987
2988 opj_write_bytes(l_current_data, J2K_MS_QCD, 2); /* QCD */
2989 l_current_data += 2;
2990
2991 opj_write_bytes(l_current_data, l_qcd_size - 2, 2); /* L_QCD */
2992 l_current_data += 2;
2993
2994 l_remaining_size -= 4;
2995
2996 if (! opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, 0,
2997 l_current_data, &l_remaining_size, p_manager)) {
2998 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
2999 return OPJ_FALSE;
3000 }
3001
3002 if (l_remaining_size != 0) {
3003 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
3004 return OPJ_FALSE;
3005 }
3006
3007 if (opj_stream_write_data(p_stream,
3008 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size,
3009 p_manager) != l_qcd_size) {
3010 return OPJ_FALSE;
3011 }
3012
3013 return OPJ_TRUE;
3014 }
3015
3016 /**
3017 * Reads a QCD marker (Quantization defaults)
3018 * @param p_header_data the data contained in the QCD box.
3019 * @param p_j2k the jpeg2000 codec.
3020 * @param p_header_size the size of the data contained in the QCD marker.
3021 * @param p_manager the user event manager.
3022 */
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)3023 static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
3024 OPJ_BYTE * p_header_data,
3025 OPJ_UINT32 p_header_size,
3026 opj_event_mgr_t * p_manager
3027 )
3028 {
3029 /* preconditions */
3030 assert(p_header_data != 00);
3031 assert(p_j2k != 00);
3032 assert(p_manager != 00);
3033
3034 if (! opj_j2k_read_SQcd_SQcc(p_j2k, 0, p_header_data, &p_header_size,
3035 p_manager)) {
3036 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
3037 return OPJ_FALSE;
3038 }
3039
3040 if (p_header_size != 0) {
3041 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
3042 return OPJ_FALSE;
3043 }
3044
3045 /* Apply the quantization parameters to other components of the current tile or the m_default_tcp */
3046 opj_j2k_copy_tile_quantization_parameters(p_j2k);
3047
3048 return OPJ_TRUE;
3049 }
3050
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)3051 static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
3052 OPJ_UINT32 p_comp_no,
3053 opj_stream_private_t *p_stream,
3054 opj_event_mgr_t * p_manager
3055 )
3056 {
3057 OPJ_UINT32 l_qcc_size, l_remaining_size;
3058
3059 /* preconditions */
3060 assert(p_j2k != 00);
3061 assert(p_manager != 00);
3062 assert(p_stream != 00);
3063
3064 l_qcc_size = 5 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3065 p_comp_no);
3066 l_qcc_size += p_j2k->m_private_image->numcomps <= 256 ? 0 : 1;
3067 l_remaining_size = l_qcc_size;
3068
3069 if (l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3070 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3071 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size);
3072 if (! new_header_tile_data) {
3073 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3074 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3075 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3076 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCC marker\n");
3077 return OPJ_FALSE;
3078 }
3079 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3080 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size;
3081 }
3082
3083 opj_j2k_write_qcc_in_memory(p_j2k, p_comp_no,
3084 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
3085 p_manager);
3086
3087 if (opj_stream_write_data(p_stream,
3088 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size,
3089 p_manager) != l_qcc_size) {
3090 return OPJ_FALSE;
3091 }
3092
3093 return OPJ_TRUE;
3094 }
3095
opj_j2k_compare_qcc(opj_j2k_t * p_j2k,OPJ_UINT32 p_first_comp_no,OPJ_UINT32 p_second_comp_no)3096 static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
3097 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
3098 {
3099 return opj_j2k_compare_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number,
3100 p_first_comp_no, p_second_comp_no);
3101 }
3102
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)3103 static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
3104 OPJ_UINT32 p_comp_no,
3105 OPJ_BYTE * p_data,
3106 OPJ_UINT32 * p_data_written,
3107 opj_event_mgr_t * p_manager
3108 )
3109 {
3110 OPJ_UINT32 l_qcc_size, l_remaining_size;
3111 OPJ_BYTE * l_current_data = 00;
3112
3113 /* preconditions */
3114 assert(p_j2k != 00);
3115 assert(p_manager != 00);
3116
3117 l_qcc_size = 6 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3118 p_comp_no);
3119 l_remaining_size = l_qcc_size;
3120
3121 l_current_data = p_data;
3122
3123 opj_write_bytes(l_current_data, J2K_MS_QCC, 2); /* QCC */
3124 l_current_data += 2;
3125
3126 if (p_j2k->m_private_image->numcomps <= 256) {
3127 --l_qcc_size;
3128
3129 opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
3130 l_current_data += 2;
3131
3132 opj_write_bytes(l_current_data, p_comp_no, 1); /* Cqcc */
3133 ++l_current_data;
3134
3135 /* in the case only one byte is sufficient the last byte allocated is useless -> still do -6 for available */
3136 l_remaining_size -= 6;
3137 } else {
3138 opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
3139 l_current_data += 2;
3140
3141 opj_write_bytes(l_current_data, p_comp_no, 2); /* Cqcc */
3142 l_current_data += 2;
3143
3144 l_remaining_size -= 6;
3145 }
3146
3147 opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, p_comp_no,
3148 l_current_data, &l_remaining_size, p_manager);
3149
3150 *p_data_written = l_qcc_size;
3151 }
3152
opj_j2k_get_max_qcc_size(opj_j2k_t * p_j2k)3153 static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k)
3154 {
3155 return opj_j2k_get_max_coc_size(p_j2k);
3156 }
3157
3158 /**
3159 * Reads a QCC marker (Quantization component)
3160 * @param p_header_data the data contained in the QCC box.
3161 * @param p_j2k the jpeg2000 codec.
3162 * @param p_header_size the size of the data contained in the QCC marker.
3163 * @param p_manager the user event manager.
3164 */
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)3165 static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
3166 OPJ_BYTE * p_header_data,
3167 OPJ_UINT32 p_header_size,
3168 opj_event_mgr_t * p_manager
3169 )
3170 {
3171 OPJ_UINT32 l_num_comp, l_comp_no;
3172
3173 /* preconditions */
3174 assert(p_header_data != 00);
3175 assert(p_j2k != 00);
3176 assert(p_manager != 00);
3177
3178 l_num_comp = p_j2k->m_private_image->numcomps;
3179
3180 if (l_num_comp <= 256) {
3181 if (p_header_size < 1) {
3182 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3183 return OPJ_FALSE;
3184 }
3185 opj_read_bytes(p_header_data, &l_comp_no, 1);
3186 ++p_header_data;
3187 --p_header_size;
3188 } else {
3189 if (p_header_size < 2) {
3190 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3191 return OPJ_FALSE;
3192 }
3193 opj_read_bytes(p_header_data, &l_comp_no, 2);
3194 p_header_data += 2;
3195 p_header_size -= 2;
3196 }
3197
3198 #ifdef USE_JPWL
3199 if (p_j2k->m_cp.correct) {
3200
3201 static OPJ_UINT32 backup_compno = 0;
3202
3203 /* compno is negative or larger than the number of components!!! */
3204 if (/*(l_comp_no < 0) ||*/ (l_comp_no >= l_num_comp)) {
3205 opj_event_msg(p_manager, EVT_ERROR,
3206 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
3207 l_comp_no, l_num_comp);
3208 if (!JPWL_ASSUME) {
3209 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
3210 return OPJ_FALSE;
3211 }
3212 /* we try to correct */
3213 l_comp_no = backup_compno % l_num_comp;
3214 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
3215 "- setting component number to %d\n",
3216 l_comp_no);
3217 }
3218
3219 /* keep your private count of tiles */
3220 backup_compno++;
3221 };
3222 #endif /* USE_JPWL */
3223
3224 if (l_comp_no >= p_j2k->m_private_image->numcomps) {
3225 opj_event_msg(p_manager, EVT_ERROR,
3226 "Invalid component number: %d, regarding the number of components %d\n",
3227 l_comp_no, p_j2k->m_private_image->numcomps);
3228 return OPJ_FALSE;
3229 }
3230
3231 if (! opj_j2k_read_SQcd_SQcc(p_j2k, l_comp_no, p_header_data, &p_header_size,
3232 p_manager)) {
3233 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3234 return OPJ_FALSE;
3235 }
3236
3237 if (p_header_size != 0) {
3238 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3239 return OPJ_FALSE;
3240 }
3241
3242 return OPJ_TRUE;
3243 }
3244
opj_j2k_write_poc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)3245 static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
3246 opj_stream_private_t *p_stream,
3247 opj_event_mgr_t * p_manager
3248 )
3249 {
3250 OPJ_UINT32 l_nb_comp;
3251 OPJ_UINT32 l_nb_poc;
3252 OPJ_UINT32 l_poc_size;
3253 OPJ_UINT32 l_written_size = 0;
3254 opj_tcp_t *l_tcp = 00;
3255 OPJ_UINT32 l_poc_room;
3256
3257 /* preconditions */
3258 assert(p_j2k != 00);
3259 assert(p_manager != 00);
3260 assert(p_stream != 00);
3261
3262 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3263 l_nb_comp = p_j2k->m_private_image->numcomps;
3264 l_nb_poc = 1 + l_tcp->numpocs;
3265
3266 if (l_nb_comp <= 256) {
3267 l_poc_room = 1;
3268 } else {
3269 l_poc_room = 2;
3270 }
3271 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3272
3273 if (l_poc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3274 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3275 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size);
3276 if (! new_header_tile_data) {
3277 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3278 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3279 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3280 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write POC marker\n");
3281 return OPJ_FALSE;
3282 }
3283 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3284 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size;
3285 }
3286
3287 opj_j2k_write_poc_in_memory(p_j2k,
3288 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_written_size,
3289 p_manager);
3290
3291 if (opj_stream_write_data(p_stream,
3292 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size,
3293 p_manager) != l_poc_size) {
3294 return OPJ_FALSE;
3295 }
3296
3297 return OPJ_TRUE;
3298 }
3299
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)3300 static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
3301 OPJ_BYTE * p_data,
3302 OPJ_UINT32 * p_data_written,
3303 opj_event_mgr_t * p_manager
3304 )
3305 {
3306 OPJ_UINT32 i;
3307 OPJ_BYTE * l_current_data = 00;
3308 OPJ_UINT32 l_nb_comp;
3309 OPJ_UINT32 l_nb_poc;
3310 OPJ_UINT32 l_poc_size;
3311 opj_image_t *l_image = 00;
3312 opj_tcp_t *l_tcp = 00;
3313 opj_tccp_t *l_tccp = 00;
3314 opj_poc_t *l_current_poc = 00;
3315 OPJ_UINT32 l_poc_room;
3316
3317 /* preconditions */
3318 assert(p_j2k != 00);
3319 assert(p_manager != 00);
3320
3321 OPJ_UNUSED(p_manager);
3322
3323 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3324 l_tccp = &l_tcp->tccps[0];
3325 l_image = p_j2k->m_private_image;
3326 l_nb_comp = l_image->numcomps;
3327 l_nb_poc = 1 + l_tcp->numpocs;
3328
3329 if (l_nb_comp <= 256) {
3330 l_poc_room = 1;
3331 } else {
3332 l_poc_room = 2;
3333 }
3334
3335 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3336
3337 l_current_data = p_data;
3338
3339 opj_write_bytes(l_current_data, J2K_MS_POC,
3340 2); /* POC */
3341 l_current_data += 2;
3342
3343 opj_write_bytes(l_current_data, l_poc_size - 2,
3344 2); /* Lpoc */
3345 l_current_data += 2;
3346
3347 l_current_poc = l_tcp->pocs;
3348 for (i = 0; i < l_nb_poc; ++i) {
3349 opj_write_bytes(l_current_data, l_current_poc->resno0,
3350 1); /* RSpoc_i */
3351 ++l_current_data;
3352
3353 opj_write_bytes(l_current_data, l_current_poc->compno0,
3354 l_poc_room); /* CSpoc_i */
3355 l_current_data += l_poc_room;
3356
3357 opj_write_bytes(l_current_data, l_current_poc->layno1,
3358 2); /* LYEpoc_i */
3359 l_current_data += 2;
3360
3361 opj_write_bytes(l_current_data, l_current_poc->resno1,
3362 1); /* REpoc_i */
3363 ++l_current_data;
3364
3365 opj_write_bytes(l_current_data, l_current_poc->compno1,
3366 l_poc_room); /* CEpoc_i */
3367 l_current_data += l_poc_room;
3368
3369 opj_write_bytes(l_current_data, (OPJ_UINT32)l_current_poc->prg,
3370 1); /* Ppoc_i */
3371 ++l_current_data;
3372
3373 /* change the value of the max layer according to the actual number of layers in the file, components and resolutions*/
3374 l_current_poc->layno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3375 l_current_poc->layno1, (OPJ_INT32)l_tcp->numlayers);
3376 l_current_poc->resno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3377 l_current_poc->resno1, (OPJ_INT32)l_tccp->numresolutions);
3378 l_current_poc->compno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3379 l_current_poc->compno1, (OPJ_INT32)l_nb_comp);
3380
3381 ++l_current_poc;
3382 }
3383
3384 *p_data_written = l_poc_size;
3385 }
3386
opj_j2k_get_max_poc_size(opj_j2k_t * p_j2k)3387 static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k)
3388 {
3389 opj_tcp_t * l_tcp = 00;
3390 OPJ_UINT32 l_nb_tiles = 0;
3391 OPJ_UINT32 l_max_poc = 0;
3392 OPJ_UINT32 i;
3393
3394 l_tcp = p_j2k->m_cp.tcps;
3395 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
3396
3397 for (i = 0; i < l_nb_tiles; ++i) {
3398 l_max_poc = opj_uint_max(l_max_poc, l_tcp->numpocs);
3399 ++l_tcp;
3400 }
3401
3402 ++l_max_poc;
3403
3404 return 4 + 9 * l_max_poc;
3405 }
3406
opj_j2k_get_max_toc_size(opj_j2k_t * p_j2k)3407 static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k)
3408 {
3409 OPJ_UINT32 i;
3410 OPJ_UINT32 l_nb_tiles;
3411 OPJ_UINT32 l_max = 0;
3412 opj_tcp_t * l_tcp = 00;
3413
3414 l_tcp = p_j2k->m_cp.tcps;
3415 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
3416
3417 for (i = 0; i < l_nb_tiles; ++i) {
3418 l_max = opj_uint_max(l_max, l_tcp->m_nb_tile_parts);
3419
3420 ++l_tcp;
3421 }
3422
3423 return 12 * l_max;
3424 }
3425
opj_j2k_get_specific_header_sizes(opj_j2k_t * p_j2k)3426 static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k)
3427 {
3428 OPJ_UINT32 l_nb_bytes = 0;
3429 OPJ_UINT32 l_nb_comps;
3430 OPJ_UINT32 l_coc_bytes, l_qcc_bytes;
3431
3432 l_nb_comps = p_j2k->m_private_image->numcomps - 1;
3433 l_nb_bytes += opj_j2k_get_max_toc_size(p_j2k);
3434
3435 if (!(OPJ_IS_CINEMA(p_j2k->m_cp.rsiz))) {
3436 l_coc_bytes = opj_j2k_get_max_coc_size(p_j2k);
3437 l_nb_bytes += l_nb_comps * l_coc_bytes;
3438
3439 l_qcc_bytes = opj_j2k_get_max_qcc_size(p_j2k);
3440 l_nb_bytes += l_nb_comps * l_qcc_bytes;
3441 }
3442
3443 l_nb_bytes += opj_j2k_get_max_poc_size(p_j2k);
3444
3445 /*** DEVELOPER CORNER, Add room for your headers ***/
3446
3447 return l_nb_bytes;
3448 }
3449
3450 /**
3451 * Reads a POC marker (Progression Order Change)
3452 *
3453 * @param p_header_data the data contained in the POC box.
3454 * @param p_j2k the jpeg2000 codec.
3455 * @param p_header_size the size of the data contained in the POC marker.
3456 * @param p_manager the user event manager.
3457 */
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)3458 static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
3459 OPJ_BYTE * p_header_data,
3460 OPJ_UINT32 p_header_size,
3461 opj_event_mgr_t * p_manager
3462 )
3463 {
3464 OPJ_UINT32 i, l_nb_comp, l_tmp;
3465 opj_image_t * l_image = 00;
3466 OPJ_UINT32 l_old_poc_nb, l_current_poc_nb, l_current_poc_remaining;
3467 OPJ_UINT32 l_chunk_size, l_comp_room;
3468
3469 opj_cp_t *l_cp = 00;
3470 opj_tcp_t *l_tcp = 00;
3471 opj_poc_t *l_current_poc = 00;
3472
3473 /* preconditions */
3474 assert(p_header_data != 00);
3475 assert(p_j2k != 00);
3476 assert(p_manager != 00);
3477
3478 l_image = p_j2k->m_private_image;
3479 l_nb_comp = l_image->numcomps;
3480 if (l_nb_comp <= 256) {
3481 l_comp_room = 1;
3482 } else {
3483 l_comp_room = 2;
3484 }
3485 l_chunk_size = 5 + 2 * l_comp_room;
3486 l_current_poc_nb = p_header_size / l_chunk_size;
3487 l_current_poc_remaining = p_header_size % l_chunk_size;
3488
3489 if ((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0)) {
3490 opj_event_msg(p_manager, EVT_ERROR, "Error reading POC marker\n");
3491 return OPJ_FALSE;
3492 }
3493
3494 l_cp = &(p_j2k->m_cp);
3495 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
3496 &l_cp->tcps[p_j2k->m_current_tile_number] :
3497 p_j2k->m_specific_param.m_decoder.m_default_tcp;
3498 l_old_poc_nb = l_tcp->POC ? l_tcp->numpocs + 1 : 0;
3499 l_current_poc_nb += l_old_poc_nb;
3500
3501 if (l_current_poc_nb >= J2K_MAX_POCS) {
3502 opj_event_msg(p_manager, EVT_ERROR, "Too many POCs %d\n", l_current_poc_nb);
3503 return OPJ_FALSE;
3504 }
3505
3506 /* now poc is in use.*/
3507 l_tcp->POC = 1;
3508
3509 l_current_poc = &l_tcp->pocs[l_old_poc_nb];
3510 for (i = l_old_poc_nb; i < l_current_poc_nb; ++i) {
3511 opj_read_bytes(p_header_data, &(l_current_poc->resno0),
3512 1); /* RSpoc_i */
3513 ++p_header_data;
3514 opj_read_bytes(p_header_data, &(l_current_poc->compno0),
3515 l_comp_room); /* CSpoc_i */
3516 p_header_data += l_comp_room;
3517 opj_read_bytes(p_header_data, &(l_current_poc->layno1),
3518 2); /* LYEpoc_i */
3519 /* make sure layer end is in acceptable bounds */
3520 l_current_poc->layno1 = opj_uint_min(l_current_poc->layno1, l_tcp->numlayers);
3521 p_header_data += 2;
3522 opj_read_bytes(p_header_data, &(l_current_poc->resno1),
3523 1); /* REpoc_i */
3524 ++p_header_data;
3525 opj_read_bytes(p_header_data, &(l_current_poc->compno1),
3526 l_comp_room); /* CEpoc_i */
3527 p_header_data += l_comp_room;
3528 opj_read_bytes(p_header_data, &l_tmp,
3529 1); /* Ppoc_i */
3530 ++p_header_data;
3531 l_current_poc->prg = (OPJ_PROG_ORDER) l_tmp;
3532 /* make sure comp is in acceptable bounds */
3533 l_current_poc->compno1 = opj_uint_min(l_current_poc->compno1, l_nb_comp);
3534 ++l_current_poc;
3535 }
3536
3537 l_tcp->numpocs = l_current_poc_nb - 1;
3538 return OPJ_TRUE;
3539 }
3540
3541 /**
3542 * Reads a CRG marker (Component registration)
3543 *
3544 * @param p_header_data the data contained in the TLM box.
3545 * @param p_j2k the jpeg2000 codec.
3546 * @param p_header_size the size of the data contained in the TLM marker.
3547 * @param p_manager the user event manager.
3548 */
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)3549 static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
3550 OPJ_BYTE * p_header_data,
3551 OPJ_UINT32 p_header_size,
3552 opj_event_mgr_t * p_manager
3553 )
3554 {
3555 OPJ_UINT32 l_nb_comp;
3556 /* preconditions */
3557 assert(p_header_data != 00);
3558 assert(p_j2k != 00);
3559 assert(p_manager != 00);
3560
3561 OPJ_UNUSED(p_header_data);
3562
3563 l_nb_comp = p_j2k->m_private_image->numcomps;
3564
3565 if (p_header_size != l_nb_comp * 4) {
3566 opj_event_msg(p_manager, EVT_ERROR, "Error reading CRG marker\n");
3567 return OPJ_FALSE;
3568 }
3569 /* Do not care of this at the moment since only local variables are set here */
3570 /*
3571 for
3572 (i = 0; i < l_nb_comp; ++i)
3573 {
3574 opj_read_bytes(p_header_data,&l_Xcrg_i,2); // Xcrg_i
3575 p_header_data+=2;
3576 opj_read_bytes(p_header_data,&l_Ycrg_i,2); // Xcrg_i
3577 p_header_data+=2;
3578 }
3579 */
3580 return OPJ_TRUE;
3581 }
3582
3583 /**
3584 * Reads a TLM marker (Tile Length Marker)
3585 *
3586 * @param p_header_data the data contained in the TLM box.
3587 * @param p_j2k the jpeg2000 codec.
3588 * @param p_header_size the size of the data contained in the TLM marker.
3589 * @param p_manager the user event manager.
3590 */
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)3591 static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
3592 OPJ_BYTE * p_header_data,
3593 OPJ_UINT32 p_header_size,
3594 opj_event_mgr_t * p_manager
3595 )
3596 {
3597 OPJ_UINT32 l_Ztlm, l_Stlm, l_ST, l_SP, l_tot_num_tp_remaining, l_quotient,
3598 l_Ptlm_size;
3599 /* preconditions */
3600 assert(p_header_data != 00);
3601 assert(p_j2k != 00);
3602 assert(p_manager != 00);
3603
3604 OPJ_UNUSED(p_j2k);
3605
3606 if (p_header_size < 2) {
3607 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
3608 return OPJ_FALSE;
3609 }
3610 p_header_size -= 2;
3611
3612 opj_read_bytes(p_header_data, &l_Ztlm,
3613 1); /* Ztlm */
3614 ++p_header_data;
3615 opj_read_bytes(p_header_data, &l_Stlm,
3616 1); /* Stlm */
3617 ++p_header_data;
3618
3619 l_ST = ((l_Stlm >> 4) & 0x3);
3620 l_SP = (l_Stlm >> 6) & 0x1;
3621
3622 l_Ptlm_size = (l_SP + 1) * 2;
3623 l_quotient = l_Ptlm_size + l_ST;
3624
3625 l_tot_num_tp_remaining = p_header_size % l_quotient;
3626
3627 if (l_tot_num_tp_remaining != 0) {
3628 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
3629 return OPJ_FALSE;
3630 }
3631 /* FIXME Do not care of this at the moment since only local variables are set here */
3632 /*
3633 for
3634 (i = 0; i < l_tot_num_tp; ++i)
3635 {
3636 opj_read_bytes(p_header_data,&l_Ttlm_i,l_ST); // Ttlm_i
3637 p_header_data += l_ST;
3638 opj_read_bytes(p_header_data,&l_Ptlm_i,l_Ptlm_size); // Ptlm_i
3639 p_header_data += l_Ptlm_size;
3640 }*/
3641 return OPJ_TRUE;
3642 }
3643
3644 /**
3645 * Reads a PLM marker (Packet length, main header 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_plm(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_plm(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 /* preconditions */
3659 assert(p_header_data != 00);
3660 assert(p_j2k != 00);
3661 assert(p_manager != 00);
3662
3663 OPJ_UNUSED(p_j2k);
3664 OPJ_UNUSED(p_header_data);
3665
3666 if (p_header_size < 1) {
3667 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3668 return OPJ_FALSE;
3669 }
3670 /* Do not care of this at the moment since only local variables are set here */
3671 /*
3672 opj_read_bytes(p_header_data,&l_Zplm,1); // Zplm
3673 ++p_header_data;
3674 --p_header_size;
3675
3676 while
3677 (p_header_size > 0)
3678 {
3679 opj_read_bytes(p_header_data,&l_Nplm,1); // Nplm
3680 ++p_header_data;
3681 p_header_size -= (1+l_Nplm);
3682 if
3683 (p_header_size < 0)
3684 {
3685 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3686 return false;
3687 }
3688 for
3689 (i = 0; i < l_Nplm; ++i)
3690 {
3691 opj_read_bytes(p_header_data,&l_tmp,1); // Iplm_ij
3692 ++p_header_data;
3693 // take only the last seven bytes
3694 l_packet_len |= (l_tmp & 0x7f);
3695 if
3696 (l_tmp & 0x80)
3697 {
3698 l_packet_len <<= 7;
3699 }
3700 else
3701 {
3702 // store packet length and proceed to next packet
3703 l_packet_len = 0;
3704 }
3705 }
3706 if
3707 (l_packet_len != 0)
3708 {
3709 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3710 return false;
3711 }
3712 }
3713 */
3714 return OPJ_TRUE;
3715 }
3716
3717 /**
3718 * Reads a PLT marker (Packet length, tile-part header)
3719 *
3720 * @param p_header_data the data contained in the PLT box.
3721 * @param p_j2k the jpeg2000 codec.
3722 * @param p_header_size the size of the data contained in the PLT marker.
3723 * @param p_manager the user event manager.
3724 */
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)3725 static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
3726 OPJ_BYTE * p_header_data,
3727 OPJ_UINT32 p_header_size,
3728 opj_event_mgr_t * p_manager
3729 )
3730 {
3731 OPJ_UINT32 l_Zplt, l_tmp, l_packet_len = 0, i;
3732
3733 /* preconditions */
3734 assert(p_header_data != 00);
3735 assert(p_j2k != 00);
3736 assert(p_manager != 00);
3737
3738 OPJ_UNUSED(p_j2k);
3739
3740 if (p_header_size < 1) {
3741 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3742 return OPJ_FALSE;
3743 }
3744
3745 opj_read_bytes(p_header_data, &l_Zplt, 1); /* Zplt */
3746 ++p_header_data;
3747 --p_header_size;
3748
3749 for (i = 0; i < p_header_size; ++i) {
3750 opj_read_bytes(p_header_data, &l_tmp, 1); /* Iplt_ij */
3751 ++p_header_data;
3752 /* take only the last seven bytes */
3753 l_packet_len |= (l_tmp & 0x7f);
3754 if (l_tmp & 0x80) {
3755 l_packet_len <<= 7;
3756 } else {
3757 /* store packet length and proceed to next packet */
3758 l_packet_len = 0;
3759 }
3760 }
3761
3762 if (l_packet_len != 0) {
3763 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3764 return OPJ_FALSE;
3765 }
3766
3767 return OPJ_TRUE;
3768 }
3769
3770 /**
3771 * Reads a PPM marker (Packed packet headers, main header)
3772 *
3773 * @param p_header_data the data contained in the POC box.
3774 * @param p_j2k the jpeg2000 codec.
3775 * @param p_header_size the size of the data contained in the POC marker.
3776 * @param p_manager the user event manager.
3777 */
3778
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)3779 static OPJ_BOOL opj_j2k_read_ppm(
3780 opj_j2k_t *p_j2k,
3781 OPJ_BYTE * p_header_data,
3782 OPJ_UINT32 p_header_size,
3783 opj_event_mgr_t * p_manager)
3784 {
3785 opj_cp_t *l_cp = 00;
3786 OPJ_UINT32 l_Z_ppm;
3787
3788 /* preconditions */
3789 assert(p_header_data != 00);
3790 assert(p_j2k != 00);
3791 assert(p_manager != 00);
3792
3793 /* We need to have the Z_ppm element + 1 byte of Nppm/Ippm at minimum */
3794 if (p_header_size < 2) {
3795 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
3796 return OPJ_FALSE;
3797 }
3798
3799 l_cp = &(p_j2k->m_cp);
3800 l_cp->ppm = 1;
3801
3802 opj_read_bytes(p_header_data, &l_Z_ppm, 1); /* Z_ppm */
3803 ++p_header_data;
3804 --p_header_size;
3805
3806 /* check allocation needed */
3807 if (l_cp->ppm_markers == NULL) { /* first PPM marker */
3808 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3809 assert(l_cp->ppm_markers_count == 0U);
3810
3811 l_cp->ppm_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
3812 if (l_cp->ppm_markers == NULL) {
3813 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3814 return OPJ_FALSE;
3815 }
3816 l_cp->ppm_markers_count = l_newCount;
3817 } else if (l_cp->ppm_markers_count <= l_Z_ppm) {
3818 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3819 opj_ppx *new_ppm_markers;
3820 new_ppm_markers = (opj_ppx *) opj_realloc(l_cp->ppm_markers,
3821 l_newCount * sizeof(opj_ppx));
3822 if (new_ppm_markers == NULL) {
3823 /* clean up to be done on l_cp destruction */
3824 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3825 return OPJ_FALSE;
3826 }
3827 l_cp->ppm_markers = new_ppm_markers;
3828 memset(l_cp->ppm_markers + l_cp->ppm_markers_count, 0,
3829 (l_newCount - l_cp->ppm_markers_count) * sizeof(opj_ppx));
3830 l_cp->ppm_markers_count = l_newCount;
3831 }
3832
3833 if (l_cp->ppm_markers[l_Z_ppm].m_data != NULL) {
3834 /* clean up to be done on l_cp destruction */
3835 opj_event_msg(p_manager, EVT_ERROR, "Zppm %u already read\n", l_Z_ppm);
3836 return OPJ_FALSE;
3837 }
3838
3839 l_cp->ppm_markers[l_Z_ppm].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
3840 if (l_cp->ppm_markers[l_Z_ppm].m_data == NULL) {
3841 /* clean up to be done on l_cp destruction */
3842 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3843 return OPJ_FALSE;
3844 }
3845 l_cp->ppm_markers[l_Z_ppm].m_data_size = p_header_size;
3846 memcpy(l_cp->ppm_markers[l_Z_ppm].m_data, p_header_data, p_header_size);
3847
3848 return OPJ_TRUE;
3849 }
3850
3851 /**
3852 * Merges all PPM markers read (Packed headers, main header)
3853 *
3854 * @param p_cp main coding parameters.
3855 * @param p_manager the user event manager.
3856 */
opj_j2k_merge_ppm(opj_cp_t * p_cp,opj_event_mgr_t * p_manager)3857 static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager)
3858 {
3859 OPJ_UINT32 i, l_ppm_data_size, l_N_ppm_remaining;
3860
3861 /* preconditions */
3862 assert(p_cp != 00);
3863 assert(p_manager != 00);
3864 assert(p_cp->ppm_buffer == NULL);
3865
3866 if (p_cp->ppm == 0U) {
3867 return OPJ_TRUE;
3868 }
3869
3870 l_ppm_data_size = 0U;
3871 l_N_ppm_remaining = 0U;
3872 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3873 if (p_cp->ppm_markers[i].m_data !=
3874 NULL) { /* standard doesn't seem to require contiguous Zppm */
3875 OPJ_UINT32 l_N_ppm;
3876 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3877 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3878
3879 if (l_N_ppm_remaining >= l_data_size) {
3880 l_N_ppm_remaining -= l_data_size;
3881 l_data_size = 0U;
3882 } else {
3883 l_data += l_N_ppm_remaining;
3884 l_data_size -= l_N_ppm_remaining;
3885 l_N_ppm_remaining = 0U;
3886 }
3887
3888 if (l_data_size > 0U) {
3889 do {
3890 /* read Nppm */
3891 if (l_data_size < 4U) {
3892 /* clean up to be done on l_cp destruction */
3893 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
3894 return OPJ_FALSE;
3895 }
3896 opj_read_bytes(l_data, &l_N_ppm, 4);
3897 l_data += 4;
3898 l_data_size -= 4;
3899 l_ppm_data_size +=
3900 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 */
3901
3902 if (l_data_size >= l_N_ppm) {
3903 l_data_size -= l_N_ppm;
3904 l_data += l_N_ppm;
3905 } else {
3906 l_N_ppm_remaining = l_N_ppm - l_data_size;
3907 l_data_size = 0U;
3908 }
3909 } while (l_data_size > 0U);
3910 }
3911 }
3912 }
3913
3914 if (l_N_ppm_remaining != 0U) {
3915 /* clean up to be done on l_cp destruction */
3916 opj_event_msg(p_manager, EVT_ERROR, "Corrupted PPM markers\n");
3917 return OPJ_FALSE;
3918 }
3919
3920 p_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_ppm_data_size);
3921 if (p_cp->ppm_buffer == 00) {
3922 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3923 return OPJ_FALSE;
3924 }
3925 p_cp->ppm_len = l_ppm_data_size;
3926 l_ppm_data_size = 0U;
3927 l_N_ppm_remaining = 0U;
3928 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3929 if (p_cp->ppm_markers[i].m_data !=
3930 NULL) { /* standard doesn't seem to require contiguous Zppm */
3931 OPJ_UINT32 l_N_ppm;
3932 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3933 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3934
3935 if (l_N_ppm_remaining >= l_data_size) {
3936 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
3937 l_ppm_data_size += l_data_size;
3938 l_N_ppm_remaining -= l_data_size;
3939 l_data_size = 0U;
3940 } else {
3941 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm_remaining);
3942 l_ppm_data_size += l_N_ppm_remaining;
3943 l_data += l_N_ppm_remaining;
3944 l_data_size -= l_N_ppm_remaining;
3945 l_N_ppm_remaining = 0U;
3946 }
3947
3948 if (l_data_size > 0U) {
3949 do {
3950 /* read Nppm */
3951 if (l_data_size < 4U) {
3952 /* clean up to be done on l_cp destruction */
3953 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
3954 return OPJ_FALSE;
3955 }
3956 opj_read_bytes(l_data, &l_N_ppm, 4);
3957 l_data += 4;
3958 l_data_size -= 4;
3959
3960 if (l_data_size >= l_N_ppm) {
3961 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm);
3962 l_ppm_data_size += l_N_ppm;
3963 l_data_size -= l_N_ppm;
3964 l_data += l_N_ppm;
3965 } else {
3966 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
3967 l_ppm_data_size += l_data_size;
3968 l_N_ppm_remaining = l_N_ppm - l_data_size;
3969 l_data_size = 0U;
3970 }
3971 } while (l_data_size > 0U);
3972 }
3973 opj_free(p_cp->ppm_markers[i].m_data);
3974 p_cp->ppm_markers[i].m_data = NULL;
3975 p_cp->ppm_markers[i].m_data_size = 0U;
3976 }
3977 }
3978
3979 p_cp->ppm_data = p_cp->ppm_buffer;
3980 p_cp->ppm_data_size = p_cp->ppm_len;
3981
3982 p_cp->ppm_markers_count = 0U;
3983 opj_free(p_cp->ppm_markers);
3984 p_cp->ppm_markers = NULL;
3985
3986 return OPJ_TRUE;
3987 }
3988
3989 /**
3990 * Reads a PPT marker (Packed packet headers, tile-part header)
3991 *
3992 * @param p_header_data the data contained in the PPT box.
3993 * @param p_j2k the jpeg2000 codec.
3994 * @param p_header_size the size of the data contained in the PPT marker.
3995 * @param p_manager the user event manager.
3996 */
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)3997 static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
3998 OPJ_BYTE * p_header_data,
3999 OPJ_UINT32 p_header_size,
4000 opj_event_mgr_t * p_manager
4001 )
4002 {
4003 opj_cp_t *l_cp = 00;
4004 opj_tcp_t *l_tcp = 00;
4005 OPJ_UINT32 l_Z_ppt;
4006
4007 /* preconditions */
4008 assert(p_header_data != 00);
4009 assert(p_j2k != 00);
4010 assert(p_manager != 00);
4011
4012 /* We need to have the Z_ppt element + 1 byte of Ippt at minimum */
4013 if (p_header_size < 2) {
4014 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker\n");
4015 return OPJ_FALSE;
4016 }
4017
4018 l_cp = &(p_j2k->m_cp);
4019 if (l_cp->ppm) {
4020 opj_event_msg(p_manager, EVT_ERROR,
4021 "Error reading PPT marker: packet header have been previously found in the main header (PPM marker).\n");
4022 return OPJ_FALSE;
4023 }
4024
4025 l_tcp = &(l_cp->tcps[p_j2k->m_current_tile_number]);
4026 l_tcp->ppt = 1;
4027
4028 opj_read_bytes(p_header_data, &l_Z_ppt, 1); /* Z_ppt */
4029 ++p_header_data;
4030 --p_header_size;
4031
4032 /* check allocation needed */
4033 if (l_tcp->ppt_markers == NULL) { /* first PPT marker */
4034 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4035 assert(l_tcp->ppt_markers_count == 0U);
4036
4037 l_tcp->ppt_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
4038 if (l_tcp->ppt_markers == NULL) {
4039 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4040 return OPJ_FALSE;
4041 }
4042 l_tcp->ppt_markers_count = l_newCount;
4043 } else if (l_tcp->ppt_markers_count <= l_Z_ppt) {
4044 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4045 opj_ppx *new_ppt_markers;
4046 new_ppt_markers = (opj_ppx *) opj_realloc(l_tcp->ppt_markers,
4047 l_newCount * sizeof(opj_ppx));
4048 if (new_ppt_markers == NULL) {
4049 /* clean up to be done on l_tcp destruction */
4050 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4051 return OPJ_FALSE;
4052 }
4053 l_tcp->ppt_markers = new_ppt_markers;
4054 memset(l_tcp->ppt_markers + l_tcp->ppt_markers_count, 0,
4055 (l_newCount - l_tcp->ppt_markers_count) * sizeof(opj_ppx));
4056 l_tcp->ppt_markers_count = l_newCount;
4057 }
4058
4059 if (l_tcp->ppt_markers[l_Z_ppt].m_data != NULL) {
4060 /* clean up to be done on l_tcp destruction */
4061 opj_event_msg(p_manager, EVT_ERROR, "Zppt %u already read\n", l_Z_ppt);
4062 return OPJ_FALSE;
4063 }
4064
4065 l_tcp->ppt_markers[l_Z_ppt].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
4066 if (l_tcp->ppt_markers[l_Z_ppt].m_data == NULL) {
4067 /* clean up to be done on l_tcp destruction */
4068 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4069 return OPJ_FALSE;
4070 }
4071 l_tcp->ppt_markers[l_Z_ppt].m_data_size = p_header_size;
4072 memcpy(l_tcp->ppt_markers[l_Z_ppt].m_data, p_header_data, p_header_size);
4073 return OPJ_TRUE;
4074 }
4075
4076 /**
4077 * Merges all PPT markers read (Packed packet headers, tile-part header)
4078 *
4079 * @param p_tcp the tile.
4080 * @param p_manager the user event manager.
4081 */
opj_j2k_merge_ppt(opj_tcp_t * p_tcp,opj_event_mgr_t * p_manager)4082 static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp, opj_event_mgr_t * p_manager)
4083 {
4084 OPJ_UINT32 i, l_ppt_data_size;
4085 /* preconditions */
4086 assert(p_tcp != 00);
4087 assert(p_manager != 00);
4088 assert(p_tcp->ppt_buffer == NULL);
4089
4090 if (p_tcp->ppt == 0U) {
4091 return OPJ_TRUE;
4092 }
4093
4094 l_ppt_data_size = 0U;
4095 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4096 l_ppt_data_size +=
4097 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4098 }
4099
4100 p_tcp->ppt_buffer = (OPJ_BYTE *) opj_malloc(l_ppt_data_size);
4101 if (p_tcp->ppt_buffer == 00) {
4102 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4103 return OPJ_FALSE;
4104 }
4105 p_tcp->ppt_len = l_ppt_data_size;
4106 l_ppt_data_size = 0U;
4107 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4108 if (p_tcp->ppt_markers[i].m_data !=
4109 NULL) { /* standard doesn't seem to require contiguous Zppt */
4110 memcpy(p_tcp->ppt_buffer + l_ppt_data_size, p_tcp->ppt_markers[i].m_data,
4111 p_tcp->ppt_markers[i].m_data_size);
4112 l_ppt_data_size +=
4113 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4114
4115 opj_free(p_tcp->ppt_markers[i].m_data);
4116 p_tcp->ppt_markers[i].m_data = NULL;
4117 p_tcp->ppt_markers[i].m_data_size = 0U;
4118 }
4119 }
4120
4121 p_tcp->ppt_markers_count = 0U;
4122 opj_free(p_tcp->ppt_markers);
4123 p_tcp->ppt_markers = NULL;
4124
4125 p_tcp->ppt_data = p_tcp->ppt_buffer;
4126 p_tcp->ppt_data_size = p_tcp->ppt_len;
4127 return OPJ_TRUE;
4128 }
4129
opj_j2k_write_tlm(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4130 static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
4131 opj_stream_private_t *p_stream,
4132 opj_event_mgr_t * p_manager
4133 )
4134 {
4135 OPJ_BYTE * l_current_data = 00;
4136 OPJ_UINT32 l_tlm_size;
4137
4138 /* preconditions */
4139 assert(p_j2k != 00);
4140 assert(p_manager != 00);
4141 assert(p_stream != 00);
4142
4143 l_tlm_size = 6 + (5 * p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
4144
4145 if (l_tlm_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
4146 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
4147 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size);
4148 if (! new_header_tile_data) {
4149 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
4150 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
4151 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
4152 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write TLM marker\n");
4153 return OPJ_FALSE;
4154 }
4155 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
4156 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_tlm_size;
4157 }
4158
4159 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
4160
4161 /* change the way data is written to avoid seeking if possible */
4162 /* TODO */
4163 p_j2k->m_specific_param.m_encoder.m_tlm_start = opj_stream_tell(p_stream);
4164
4165 opj_write_bytes(l_current_data, J2K_MS_TLM,
4166 2); /* TLM */
4167 l_current_data += 2;
4168
4169 opj_write_bytes(l_current_data, l_tlm_size - 2,
4170 2); /* Lpoc */
4171 l_current_data += 2;
4172
4173 opj_write_bytes(l_current_data, 0,
4174 1); /* Ztlm=0*/
4175 ++l_current_data;
4176
4177 opj_write_bytes(l_current_data, 0x50,
4178 1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
4179 ++l_current_data;
4180
4181 /* do nothing on the 5 * l_j2k->m_specific_param.m_encoder.m_total_tile_parts remaining data */
4182 if (opj_stream_write_data(p_stream,
4183 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size,
4184 p_manager) != l_tlm_size) {
4185 return OPJ_FALSE;
4186 }
4187
4188 return OPJ_TRUE;
4189 }
4190
opj_j2k_write_sot(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 p_total_data_size,OPJ_UINT32 * p_data_written,const opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4191 static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
4192 OPJ_BYTE * p_data,
4193 OPJ_UINT32 p_total_data_size,
4194 OPJ_UINT32 * p_data_written,
4195 const opj_stream_private_t *p_stream,
4196 opj_event_mgr_t * p_manager
4197 )
4198 {
4199 /* preconditions */
4200 assert(p_j2k != 00);
4201 assert(p_manager != 00);
4202 assert(p_stream != 00);
4203
4204 OPJ_UNUSED(p_stream);
4205
4206 if (p_total_data_size < 12) {
4207 opj_event_msg(p_manager, EVT_ERROR,
4208 "Not enough bytes in output buffer to write SOT marker\n");
4209 return OPJ_FALSE;
4210 }
4211
4212 opj_write_bytes(p_data, J2K_MS_SOT,
4213 2); /* SOT */
4214 p_data += 2;
4215
4216 opj_write_bytes(p_data, 10,
4217 2); /* Lsot */
4218 p_data += 2;
4219
4220 opj_write_bytes(p_data, p_j2k->m_current_tile_number,
4221 2); /* Isot */
4222 p_data += 2;
4223
4224 /* Psot */
4225 p_data += 4;
4226
4227 opj_write_bytes(p_data,
4228 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number,
4229 1); /* TPsot */
4230 ++p_data;
4231
4232 opj_write_bytes(p_data,
4233 p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts,
4234 1); /* TNsot */
4235 ++p_data;
4236
4237 /* UniPG>> */
4238 #ifdef USE_JPWL
4239 /* update markers struct */
4240 /*
4241 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOT, p_j2k->sot_start, len + 2);
4242 */
4243 assert(0 && "TODO");
4244 #endif /* USE_JPWL */
4245
4246 * p_data_written = 12;
4247
4248 return OPJ_TRUE;
4249 }
4250
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)4251 static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
4252 OPJ_UINT32 p_header_size,
4253 OPJ_UINT32* p_tile_no,
4254 OPJ_UINT32* p_tot_len,
4255 OPJ_UINT32* p_current_part,
4256 OPJ_UINT32* p_num_parts,
4257 opj_event_mgr_t * p_manager)
4258 {
4259 /* preconditions */
4260 assert(p_header_data != 00);
4261 assert(p_manager != 00);
4262
4263 /* Size of this marker is fixed = 12 (we have already read marker and its size)*/
4264 if (p_header_size != 8) {
4265 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
4266 return OPJ_FALSE;
4267 }
4268
4269 opj_read_bytes(p_header_data, p_tile_no, 2); /* Isot */
4270 p_header_data += 2;
4271 opj_read_bytes(p_header_data, p_tot_len, 4); /* Psot */
4272 p_header_data += 4;
4273 opj_read_bytes(p_header_data, p_current_part, 1); /* TPsot */
4274 ++p_header_data;
4275 opj_read_bytes(p_header_data, p_num_parts, 1); /* TNsot */
4276 ++p_header_data;
4277 return OPJ_TRUE;
4278 }
4279
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)4280 static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
4281 OPJ_BYTE * p_header_data,
4282 OPJ_UINT32 p_header_size,
4283 opj_event_mgr_t * p_manager)
4284 {
4285 opj_cp_t *l_cp = 00;
4286 opj_tcp_t *l_tcp = 00;
4287 OPJ_UINT32 l_tot_len, l_num_parts = 0;
4288 OPJ_UINT32 l_current_part;
4289 OPJ_UINT32 l_tile_x, l_tile_y;
4290
4291 /* preconditions */
4292
4293 assert(p_j2k != 00);
4294 assert(p_manager != 00);
4295
4296 if (! opj_j2k_get_sot_values(p_header_data, p_header_size,
4297 &(p_j2k->m_current_tile_number), &l_tot_len, &l_current_part, &l_num_parts,
4298 p_manager)) {
4299 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
4300 return OPJ_FALSE;
4301 }
4302 #ifdef DEBUG_VERBOSE
4303 fprintf(stderr, "SOT %d %d %d %d\n",
4304 p_j2k->m_current_tile_number, l_tot_len, l_current_part, l_num_parts);
4305 #endif
4306
4307 l_cp = &(p_j2k->m_cp);
4308
4309 /* testcase 2.pdf.SIGFPE.706.1112 */
4310 if (p_j2k->m_current_tile_number >= l_cp->tw * l_cp->th) {
4311 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile number %d\n",
4312 p_j2k->m_current_tile_number);
4313 return OPJ_FALSE;
4314 }
4315
4316 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
4317 l_tile_x = p_j2k->m_current_tile_number % l_cp->tw;
4318 l_tile_y = p_j2k->m_current_tile_number / l_cp->tw;
4319
4320 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec < 0 ||
4321 p_j2k->m_current_tile_number == (OPJ_UINT32)
4322 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec) {
4323 /* Do only this check if we decode all tile part headers, or if */
4324 /* we decode one precise tile. Otherwise the m_current_tile_part_number */
4325 /* might not be valid */
4326 /* Fixes issue with id_000020,sig_06,src_001958,op_flip4,pos_149 */
4327 /* of https://github.com/uclouvain/openjpeg/issues/939 */
4328 /* We must avoid reading twice the same tile part number for a given tile */
4329 /* so as to avoid various issues, like opj_j2k_merge_ppt being called */
4330 /* several times. */
4331 /* ISO 15444-1 A.4.2 Start of tile-part (SOT) mandates that tile parts */
4332 /* should appear in increasing order. */
4333 if (l_tcp->m_current_tile_part_number + 1 != (OPJ_INT32)l_current_part) {
4334 opj_event_msg(p_manager, EVT_ERROR,
4335 "Invalid tile part index for tile number %d. "
4336 "Got %d, expected %d\n",
4337 p_j2k->m_current_tile_number,
4338 l_current_part,
4339 l_tcp->m_current_tile_part_number + 1);
4340 return OPJ_FALSE;
4341 }
4342 }
4343
4344 l_tcp->m_current_tile_part_number = (OPJ_INT32) l_current_part;
4345
4346 #ifdef USE_JPWL
4347 if (l_cp->correct) {
4348
4349 OPJ_UINT32 tileno = p_j2k->m_current_tile_number;
4350 static OPJ_UINT32 backup_tileno = 0;
4351
4352 /* tileno is negative or larger than the number of tiles!!! */
4353 if (tileno > (l_cp->tw * l_cp->th)) {
4354 opj_event_msg(p_manager, EVT_ERROR,
4355 "JPWL: bad tile number (%d out of a maximum of %d)\n",
4356 tileno, (l_cp->tw * l_cp->th));
4357 if (!JPWL_ASSUME) {
4358 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4359 return OPJ_FALSE;
4360 }
4361 /* we try to correct */
4362 tileno = backup_tileno;
4363 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4364 "- setting tile number to %d\n",
4365 tileno);
4366 }
4367
4368 /* keep your private count of tiles */
4369 backup_tileno++;
4370 };
4371 #endif /* USE_JPWL */
4372
4373 /* look for the tile in the list of already processed tile (in parts). */
4374 /* Optimization possible here with a more complex data structure and with the removing of tiles */
4375 /* since the time taken by this function can only grow at the time */
4376
4377 /* PSot should be equal to zero or >=14 or <= 2^32-1 */
4378 if ((l_tot_len != 0) && (l_tot_len < 14)) {
4379 if (l_tot_len ==
4380 12) { /* MSD: Special case for the PHR data which are read by kakadu*/
4381 opj_event_msg(p_manager, EVT_WARNING, "Empty SOT marker detected: Psot=%d.\n",
4382 l_tot_len);
4383 } else {
4384 opj_event_msg(p_manager, EVT_ERROR,
4385 "Psot value is not correct regards to the JPEG2000 norm: %d.\n", l_tot_len);
4386 return OPJ_FALSE;
4387 }
4388 }
4389
4390 #ifdef USE_JPWL
4391 if (l_cp->correct) {
4392
4393 /* totlen is negative or larger than the bytes left!!! */
4394 if (/*(l_tot_len < 0) ||*/ (l_tot_len >
4395 p_header_size)) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */
4396 opj_event_msg(p_manager, EVT_ERROR,
4397 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
4398 l_tot_len,
4399 p_header_size); /* FIXME it seems correct; for info in V1 -> p_stream_numbytesleft(p_stream) + 8); */
4400 if (!JPWL_ASSUME) {
4401 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4402 return OPJ_FALSE;
4403 }
4404 /* we try to correct */
4405 l_tot_len = 0;
4406 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4407 "- setting Psot to %d => assuming it is the last tile\n",
4408 l_tot_len);
4409 }
4410 };
4411 #endif /* USE_JPWL */
4412
4413 /* Ref A.4.2: Psot could be equal zero if it is the last tile-part of the codestream.*/
4414 if (!l_tot_len) {
4415 opj_event_msg(p_manager, EVT_INFO,
4416 "Psot value of the current tile-part is equal to zero, "
4417 "we assuming it is the last tile-part of the codestream.\n");
4418 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4419 }
4420
4421 if (l_tcp->m_nb_tile_parts != 0 && l_current_part >= l_tcp->m_nb_tile_parts) {
4422 /* Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2851 */
4423 opj_event_msg(p_manager, EVT_ERROR,
4424 "In SOT marker, TPSot (%d) is not valid regards to the previous "
4425 "number of tile-part (%d), giving up\n", l_current_part,
4426 l_tcp->m_nb_tile_parts);
4427 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4428 return OPJ_FALSE;
4429 }
4430
4431 if (l_num_parts !=
4432 0) { /* Number of tile-part header is provided by this tile-part header */
4433 l_num_parts += p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction;
4434 /* Useful to manage the case of textGBR.jp2 file because two values of TNSot are allowed: the correct numbers of
4435 * tile-parts for that tile and zero (A.4.2 of 15444-1 : 2002). */
4436 if (l_tcp->m_nb_tile_parts) {
4437 if (l_current_part >= l_tcp->m_nb_tile_parts) {
4438 opj_event_msg(p_manager, EVT_ERROR,
4439 "In SOT marker, TPSot (%d) is not valid regards to the current "
4440 "number of tile-part (%d), giving up\n", l_current_part,
4441 l_tcp->m_nb_tile_parts);
4442 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4443 return OPJ_FALSE;
4444 }
4445 }
4446 if (l_current_part >= l_num_parts) {
4447 /* testcase 451.pdf.SIGSEGV.ce9.3723 */
4448 opj_event_msg(p_manager, EVT_ERROR,
4449 "In SOT marker, TPSot (%d) is not valid regards to the current "
4450 "number of tile-part (header) (%d), giving up\n", l_current_part, l_num_parts);
4451 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4452 return OPJ_FALSE;
4453 }
4454 l_tcp->m_nb_tile_parts = l_num_parts;
4455 }
4456
4457 /* If know the number of tile part header we will check if we didn't read the last*/
4458 if (l_tcp->m_nb_tile_parts) {
4459 if (l_tcp->m_nb_tile_parts == (l_current_part + 1)) {
4460 p_j2k->m_specific_param.m_decoder.m_can_decode =
4461 1; /* Process the last tile-part header*/
4462 }
4463 }
4464
4465 if (!p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4466 /* Keep the size of data to skip after this marker */
4467 p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len -
4468 12; /* SOT_marker_size = 12 */
4469 } else {
4470 /* FIXME: need to be computed from the number of bytes remaining in the codestream */
4471 p_j2k->m_specific_param.m_decoder.m_sot_length = 0;
4472 }
4473
4474 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPH;
4475
4476 /* Check if the current tile is outside the area we want decode or not corresponding to the tile index*/
4477 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec == -1) {
4478 p_j2k->m_specific_param.m_decoder.m_skip_data =
4479 (l_tile_x < p_j2k->m_specific_param.m_decoder.m_start_tile_x)
4480 || (l_tile_x >= p_j2k->m_specific_param.m_decoder.m_end_tile_x)
4481 || (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y)
4482 || (l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y);
4483 } else {
4484 assert(p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec >= 0);
4485 p_j2k->m_specific_param.m_decoder.m_skip_data =
4486 (p_j2k->m_current_tile_number != (OPJ_UINT32)
4487 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec);
4488 }
4489
4490 /* Index */
4491 if (p_j2k->cstr_index) {
4492 assert(p_j2k->cstr_index->tile_index != 00);
4493 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tileno =
4494 p_j2k->m_current_tile_number;
4495 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno =
4496 l_current_part;
4497
4498 if (l_num_parts != 0) {
4499 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps =
4500 l_num_parts;
4501 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4502 l_num_parts;
4503
4504 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4505 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4506 (opj_tp_index_t*)opj_calloc(l_num_parts, sizeof(opj_tp_index_t));
4507 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4508 opj_event_msg(p_manager, EVT_ERROR,
4509 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4510 return OPJ_FALSE;
4511 }
4512 } else {
4513 opj_tp_index_t *new_tp_index = (opj_tp_index_t *) opj_realloc(
4514 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4515 l_num_parts * sizeof(opj_tp_index_t));
4516 if (! new_tp_index) {
4517 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4518 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4519 opj_event_msg(p_manager, EVT_ERROR,
4520 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4521 return OPJ_FALSE;
4522 }
4523 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4524 new_tp_index;
4525 }
4526 } else {
4527 /*if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index)*/ {
4528
4529 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4530 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 10;
4531 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4532 (opj_tp_index_t*)opj_calloc(
4533 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps,
4534 sizeof(opj_tp_index_t));
4535 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4536 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4537 opj_event_msg(p_manager, EVT_ERROR,
4538 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4539 return OPJ_FALSE;
4540 }
4541 }
4542
4543 if (l_current_part >=
4544 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps) {
4545 opj_tp_index_t *new_tp_index;
4546 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4547 l_current_part + 1;
4548 new_tp_index = (opj_tp_index_t *) opj_realloc(
4549 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4550 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps *
4551 sizeof(opj_tp_index_t));
4552 if (! new_tp_index) {
4553 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4554 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4555 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4556 opj_event_msg(p_manager, EVT_ERROR,
4557 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4558 return OPJ_FALSE;
4559 }
4560 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4561 new_tp_index;
4562 }
4563 }
4564
4565 }
4566
4567 }
4568
4569 /* 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 */
4570 /* if (p_j2k->cstr_info) {
4571 if (l_tcp->first) {
4572 if (tileno == 0) {
4573 p_j2k->cstr_info->main_head_end = p_stream_tell(p_stream) - 13;
4574 }
4575
4576 p_j2k->cstr_info->tile[tileno].tileno = tileno;
4577 p_j2k->cstr_info->tile[tileno].start_pos = p_stream_tell(p_stream) - 12;
4578 p_j2k->cstr_info->tile[tileno].end_pos = p_j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
4579 p_j2k->cstr_info->tile[tileno].num_tps = numparts;
4580
4581 if (numparts) {
4582 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
4583 }
4584 else {
4585 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
4586 }
4587 }
4588 else {
4589 p_j2k->cstr_info->tile[tileno].end_pos += totlen;
4590 }
4591
4592 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = p_stream_tell(p_stream) - 12;
4593 p_j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
4594 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
4595 }*/
4596 return OPJ_TRUE;
4597 }
4598
opj_j2k_write_sod(opj_j2k_t * p_j2k,opj_tcd_t * p_tile_coder,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,OPJ_UINT32 p_total_data_size,const opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4599 static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
4600 opj_tcd_t * p_tile_coder,
4601 OPJ_BYTE * p_data,
4602 OPJ_UINT32 * p_data_written,
4603 OPJ_UINT32 p_total_data_size,
4604 const opj_stream_private_t *p_stream,
4605 opj_event_mgr_t * p_manager
4606 )
4607 {
4608 opj_codestream_info_t *l_cstr_info = 00;
4609 OPJ_UINT32 l_remaining_data;
4610
4611 /* preconditions */
4612 assert(p_j2k != 00);
4613 assert(p_manager != 00);
4614 assert(p_stream != 00);
4615
4616 OPJ_UNUSED(p_stream);
4617
4618 if (p_total_data_size < 4) {
4619 opj_event_msg(p_manager, EVT_ERROR,
4620 "Not enough bytes in output buffer to write SOD marker\n");
4621 return OPJ_FALSE;
4622 }
4623
4624 opj_write_bytes(p_data, J2K_MS_SOD,
4625 2); /* SOD */
4626 p_data += 2;
4627
4628 /* make room for the EOF marker */
4629 l_remaining_data = p_total_data_size - 4;
4630
4631 /* update tile coder */
4632 p_tile_coder->tp_num =
4633 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number ;
4634 p_tile_coder->cur_tp_num =
4635 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
4636
4637 /* INDEX >> */
4638 /* TODO mergeV2: check this part which use cstr_info */
4639 /*l_cstr_info = p_j2k->cstr_info;
4640 if (l_cstr_info) {
4641 if (!p_j2k->m_specific_param.m_encoder.m_current_tile_part_number ) {
4642 //TODO cstr_info->tile[p_j2k->m_current_tile_number].end_header = p_stream_tell(p_stream) + p_j2k->pos_correction - 1;
4643 l_cstr_info->tile[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
4644 }
4645 else {*/
4646 /*
4647 TODO
4648 if
4649 (cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno - 1].end_pos < p_stream_tell(p_stream))
4650 {
4651 cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno].start_pos = p_stream_tell(p_stream);
4652 }*/
4653 /*}*/
4654 /* UniPG>> */
4655 #ifdef USE_JPWL
4656 /* update markers struct */
4657 /*OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOD, p_j2k->sod_start, 2);
4658 */
4659 assert(0 && "TODO");
4660 #endif /* USE_JPWL */
4661 /* <<UniPG */
4662 /*}*/
4663 /* << INDEX */
4664
4665 if (p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0) {
4666 p_tile_coder->tcd_image->tiles->packno = 0;
4667 #ifdef deadcode
4668 if (l_cstr_info) {
4669 l_cstr_info->packno = 0;
4670 }
4671 #endif
4672 }
4673
4674 *p_data_written = 0;
4675
4676 if (! opj_tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number, p_data,
4677 p_data_written, l_remaining_data, l_cstr_info,
4678 p_manager)) {
4679 opj_event_msg(p_manager, EVT_ERROR, "Cannot encode tile\n");
4680 return OPJ_FALSE;
4681 }
4682
4683 *p_data_written += 2;
4684
4685 return OPJ_TRUE;
4686 }
4687
opj_j2k_read_sod(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4688 static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
4689 opj_stream_private_t *p_stream,
4690 opj_event_mgr_t * p_manager
4691 )
4692 {
4693 OPJ_SIZE_T l_current_read_size;
4694 opj_codestream_index_t * l_cstr_index = 00;
4695 OPJ_BYTE ** l_current_data = 00;
4696 opj_tcp_t * l_tcp = 00;
4697 OPJ_UINT32 * l_tile_len = 00;
4698 OPJ_BOOL l_sot_length_pb_detected = OPJ_FALSE;
4699
4700 /* preconditions */
4701 assert(p_j2k != 00);
4702 assert(p_manager != 00);
4703 assert(p_stream != 00);
4704
4705 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
4706
4707 if (p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4708 /* opj_stream_get_number_byte_left returns OPJ_OFF_T
4709 // but we are in the last tile part,
4710 // so its result will fit on OPJ_UINT32 unless we find
4711 // a file with a single tile part of more than 4 GB...*/
4712 p_j2k->m_specific_param.m_decoder.m_sot_length = (OPJ_UINT32)(
4713 opj_stream_get_number_byte_left(p_stream) - 2);
4714 } else {
4715 /* Check to avoid pass the limit of OPJ_UINT32 */
4716 if (p_j2k->m_specific_param.m_decoder.m_sot_length >= 2) {
4717 p_j2k->m_specific_param.m_decoder.m_sot_length -= 2;
4718 } else {
4719 /* MSD: case commented to support empty SOT marker (PHR data) */
4720 }
4721 }
4722
4723 l_current_data = &(l_tcp->m_data);
4724 l_tile_len = &l_tcp->m_data_size;
4725
4726 /* Patch to support new PHR data */
4727 if (p_j2k->m_specific_param.m_decoder.m_sot_length) {
4728 /* If we are here, we'll try to read the data after allocation */
4729 /* Check enough bytes left in stream before allocation */
4730 if ((OPJ_OFF_T)p_j2k->m_specific_param.m_decoder.m_sot_length >
4731 opj_stream_get_number_byte_left(p_stream)) {
4732 opj_event_msg(p_manager, EVT_ERROR,
4733 "Tile part length size inconsistent with stream length\n");
4734 return OPJ_FALSE;
4735 }
4736 if (p_j2k->m_specific_param.m_decoder.m_sot_length >
4737 UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA) {
4738 opj_event_msg(p_manager, EVT_ERROR,
4739 "p_j2k->m_specific_param.m_decoder.m_sot_length > "
4740 "UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA");
4741 return OPJ_FALSE;
4742 }
4743 /* Add a margin of OPJ_COMMON_CBLK_DATA_EXTRA to the allocation we */
4744 /* do so that opj_mqc_init_dec_common() can safely add a synthetic */
4745 /* 0xFFFF marker. */
4746 if (! *l_current_data) {
4747 /* LH: oddly enough, in this path, l_tile_len!=0.
4748 * TODO: If this was consistent, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...).
4749 */
4750 *l_current_data = (OPJ_BYTE*) opj_malloc(
4751 p_j2k->m_specific_param.m_decoder.m_sot_length + OPJ_COMMON_CBLK_DATA_EXTRA);
4752 } else {
4753 OPJ_BYTE *l_new_current_data;
4754 if (*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA -
4755 p_j2k->m_specific_param.m_decoder.m_sot_length) {
4756 opj_event_msg(p_manager, EVT_ERROR,
4757 "*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA - "
4758 "p_j2k->m_specific_param.m_decoder.m_sot_length");
4759 return OPJ_FALSE;
4760 }
4761
4762 l_new_current_data = (OPJ_BYTE *) opj_realloc(*l_current_data,
4763 *l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length +
4764 OPJ_COMMON_CBLK_DATA_EXTRA);
4765 if (! l_new_current_data) {
4766 opj_free(*l_current_data);
4767 /*nothing more is done as l_current_data will be set to null, and just
4768 afterward we enter in the error path
4769 and the actual tile_len is updated (committed) at the end of the
4770 function. */
4771 }
4772 *l_current_data = l_new_current_data;
4773 }
4774
4775 if (*l_current_data == 00) {
4776 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile\n");
4777 return OPJ_FALSE;
4778 }
4779 } else {
4780 l_sot_length_pb_detected = OPJ_TRUE;
4781 }
4782
4783 /* Index */
4784 l_cstr_index = p_j2k->cstr_index;
4785 if (l_cstr_index) {
4786 OPJ_OFF_T l_current_pos = opj_stream_tell(p_stream) - 2;
4787
4788 OPJ_UINT32 l_current_tile_part =
4789 l_cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno;
4790 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_header
4791 =
4792 l_current_pos;
4793 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_pos
4794 =
4795 l_current_pos + p_j2k->m_specific_param.m_decoder.m_sot_length + 2;
4796
4797 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
4798 l_cstr_index,
4799 J2K_MS_SOD,
4800 l_current_pos,
4801 p_j2k->m_specific_param.m_decoder.m_sot_length + 2)) {
4802 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
4803 return OPJ_FALSE;
4804 }
4805
4806 /*l_cstr_index->packno = 0;*/
4807 }
4808
4809 /* Patch to support new PHR data */
4810 if (!l_sot_length_pb_detected) {
4811 l_current_read_size = opj_stream_read_data(
4812 p_stream,
4813 *l_current_data + *l_tile_len,
4814 p_j2k->m_specific_param.m_decoder.m_sot_length,
4815 p_manager);
4816 } else {
4817 l_current_read_size = 0;
4818 }
4819
4820 if (l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length) {
4821 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
4822 } else {
4823 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
4824 }
4825
4826 *l_tile_len += (OPJ_UINT32)l_current_read_size;
4827
4828 return OPJ_TRUE;
4829 }
4830
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)4831 static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
4832 OPJ_UINT32 p_tile_no,
4833 OPJ_UINT32 p_comp_no,
4834 OPJ_UINT32 nb_comps,
4835 opj_stream_private_t *p_stream,
4836 opj_event_mgr_t * p_manager
4837 )
4838 {
4839 OPJ_BYTE * l_current_data = 00;
4840 OPJ_UINT32 l_rgn_size;
4841 opj_cp_t *l_cp = 00;
4842 opj_tcp_t *l_tcp = 00;
4843 opj_tccp_t *l_tccp = 00;
4844 OPJ_UINT32 l_comp_room;
4845
4846 /* preconditions */
4847 assert(p_j2k != 00);
4848 assert(p_manager != 00);
4849 assert(p_stream != 00);
4850
4851 l_cp = &(p_j2k->m_cp);
4852 l_tcp = &l_cp->tcps[p_tile_no];
4853 l_tccp = &l_tcp->tccps[p_comp_no];
4854
4855 if (nb_comps <= 256) {
4856 l_comp_room = 1;
4857 } else {
4858 l_comp_room = 2;
4859 }
4860
4861 l_rgn_size = 6 + l_comp_room;
4862
4863 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
4864
4865 opj_write_bytes(l_current_data, J2K_MS_RGN,
4866 2); /* RGN */
4867 l_current_data += 2;
4868
4869 opj_write_bytes(l_current_data, l_rgn_size - 2,
4870 2); /* Lrgn */
4871 l_current_data += 2;
4872
4873 opj_write_bytes(l_current_data, p_comp_no,
4874 l_comp_room); /* Crgn */
4875 l_current_data += l_comp_room;
4876
4877 opj_write_bytes(l_current_data, 0,
4878 1); /* Srgn */
4879 ++l_current_data;
4880
4881 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tccp->roishift,
4882 1); /* SPrgn */
4883 ++l_current_data;
4884
4885 if (opj_stream_write_data(p_stream,
4886 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_rgn_size,
4887 p_manager) != l_rgn_size) {
4888 return OPJ_FALSE;
4889 }
4890
4891 return OPJ_TRUE;
4892 }
4893
opj_j2k_write_eoc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4894 static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
4895 opj_stream_private_t *p_stream,
4896 opj_event_mgr_t * p_manager
4897 )
4898 {
4899 /* preconditions */
4900 assert(p_j2k != 00);
4901 assert(p_manager != 00);
4902 assert(p_stream != 00);
4903
4904 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_header_tile_data,
4905 J2K_MS_EOC, 2); /* EOC */
4906
4907 /* UniPG>> */
4908 #ifdef USE_JPWL
4909 /* update markers struct */
4910 /*
4911 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_EOC, p_stream_tell(p_stream) - 2, 2);
4912 */
4913 #endif /* USE_JPWL */
4914
4915 if (opj_stream_write_data(p_stream,
4916 p_j2k->m_specific_param.m_encoder.m_header_tile_data, 2, p_manager) != 2) {
4917 return OPJ_FALSE;
4918 }
4919
4920 if (! opj_stream_flush(p_stream, p_manager)) {
4921 return OPJ_FALSE;
4922 }
4923
4924 return OPJ_TRUE;
4925 }
4926
4927 /**
4928 * Reads a RGN marker (Region Of Interest)
4929 *
4930 * @param p_header_data the data contained in the POC box.
4931 * @param p_j2k the jpeg2000 codec.
4932 * @param p_header_size the size of the data contained in the POC marker.
4933 * @param p_manager the user event manager.
4934 */
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)4935 static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
4936 OPJ_BYTE * p_header_data,
4937 OPJ_UINT32 p_header_size,
4938 opj_event_mgr_t * p_manager
4939 )
4940 {
4941 OPJ_UINT32 l_nb_comp;
4942 opj_image_t * l_image = 00;
4943
4944 opj_cp_t *l_cp = 00;
4945 opj_tcp_t *l_tcp = 00;
4946 OPJ_UINT32 l_comp_room, l_comp_no, l_roi_sty;
4947
4948 /* preconditions*/
4949 assert(p_header_data != 00);
4950 assert(p_j2k != 00);
4951 assert(p_manager != 00);
4952
4953 l_image = p_j2k->m_private_image;
4954 l_nb_comp = l_image->numcomps;
4955
4956 if (l_nb_comp <= 256) {
4957 l_comp_room = 1;
4958 } else {
4959 l_comp_room = 2;
4960 }
4961
4962 if (p_header_size != 2 + l_comp_room) {
4963 opj_event_msg(p_manager, EVT_ERROR, "Error reading RGN marker\n");
4964 return OPJ_FALSE;
4965 }
4966
4967 l_cp = &(p_j2k->m_cp);
4968 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
4969 &l_cp->tcps[p_j2k->m_current_tile_number] :
4970 p_j2k->m_specific_param.m_decoder.m_default_tcp;
4971
4972 opj_read_bytes(p_header_data, &l_comp_no, l_comp_room); /* Crgn */
4973 p_header_data += l_comp_room;
4974 opj_read_bytes(p_header_data, &l_roi_sty,
4975 1); /* Srgn */
4976 ++p_header_data;
4977
4978 #ifdef USE_JPWL
4979 if (l_cp->correct) {
4980 /* totlen is negative or larger than the bytes left!!! */
4981 if (l_comp_room >= l_nb_comp) {
4982 opj_event_msg(p_manager, EVT_ERROR,
4983 "JPWL: bad component number in RGN (%d when there are only %d)\n",
4984 l_comp_room, l_nb_comp);
4985 if (!JPWL_ASSUME) {
4986 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4987 return OPJ_FALSE;
4988 }
4989 }
4990 };
4991 #endif /* USE_JPWL */
4992
4993 /* testcase 3635.pdf.asan.77.2930 */
4994 if (l_comp_no >= l_nb_comp) {
4995 opj_event_msg(p_manager, EVT_ERROR,
4996 "bad component number in RGN (%d when there are only %d)\n",
4997 l_comp_no, l_nb_comp);
4998 return OPJ_FALSE;
4999 }
5000
5001 opj_read_bytes(p_header_data,
5002 (OPJ_UINT32 *)(&(l_tcp->tccps[l_comp_no].roishift)), 1); /* SPrgn */
5003 ++p_header_data;
5004
5005 return OPJ_TRUE;
5006
5007 }
5008
opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)5009 static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)
5010 {
5011 return (OPJ_FLOAT32)((p_tcp->m_nb_tile_parts - 1) * 14);
5012 }
5013
opj_j2k_get_default_stride(opj_tcp_t * p_tcp)5014 static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp)
5015 {
5016 (void)p_tcp;
5017 return 0;
5018 }
5019
opj_j2k_update_rates(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)5020 static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
5021 opj_stream_private_t *p_stream,
5022 opj_event_mgr_t * p_manager)
5023 {
5024 opj_cp_t * l_cp = 00;
5025 opj_image_t * l_image = 00;
5026 opj_tcp_t * l_tcp = 00;
5027 opj_image_comp_t * l_img_comp = 00;
5028
5029 OPJ_UINT32 i, j, k;
5030 OPJ_INT32 l_x0, l_y0, l_x1, l_y1;
5031 OPJ_FLOAT32 * l_rates = 0;
5032 OPJ_FLOAT32 l_sot_remove;
5033 OPJ_UINT32 l_bits_empty, l_size_pixel;
5034 OPJ_UINT32 l_tile_size = 0;
5035 OPJ_UINT32 l_last_res;
5036 OPJ_FLOAT32(* l_tp_stride_func)(opj_tcp_t *) = 00;
5037
5038 /* preconditions */
5039 assert(p_j2k != 00);
5040 assert(p_manager != 00);
5041 assert(p_stream != 00);
5042
5043 OPJ_UNUSED(p_manager);
5044
5045 l_cp = &(p_j2k->m_cp);
5046 l_image = p_j2k->m_private_image;
5047 l_tcp = l_cp->tcps;
5048
5049 l_bits_empty = 8 * l_image->comps->dx * l_image->comps->dy;
5050 l_size_pixel = l_image->numcomps * l_image->comps->prec;
5051 l_sot_remove = (OPJ_FLOAT32) opj_stream_tell(p_stream) / (OPJ_FLOAT32)(
5052 l_cp->th * l_cp->tw);
5053
5054 if (l_cp->m_specific_param.m_enc.m_tp_on) {
5055 l_tp_stride_func = opj_j2k_get_tp_stride;
5056 } else {
5057 l_tp_stride_func = opj_j2k_get_default_stride;
5058 }
5059
5060 for (i = 0; i < l_cp->th; ++i) {
5061 for (j = 0; j < l_cp->tw; ++j) {
5062 OPJ_FLOAT32 l_offset = (OPJ_FLOAT32)(*l_tp_stride_func)(l_tcp) /
5063 (OPJ_FLOAT32)l_tcp->numlayers;
5064
5065 /* 4 borders of the tile rescale on the image if necessary */
5066 l_x0 = opj_int_max((OPJ_INT32)(l_cp->tx0 + j * l_cp->tdx),
5067 (OPJ_INT32)l_image->x0);
5068 l_y0 = opj_int_max((OPJ_INT32)(l_cp->ty0 + i * l_cp->tdy),
5069 (OPJ_INT32)l_image->y0);
5070 l_x1 = opj_int_min((OPJ_INT32)(l_cp->tx0 + (j + 1) * l_cp->tdx),
5071 (OPJ_INT32)l_image->x1);
5072 l_y1 = opj_int_min((OPJ_INT32)(l_cp->ty0 + (i + 1) * l_cp->tdy),
5073 (OPJ_INT32)l_image->y1);
5074
5075 l_rates = l_tcp->rates;
5076
5077 /* Modification of the RATE >> */
5078 if (*l_rates > 0.0f) {
5079 *l_rates = (((OPJ_FLOAT32)(l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) *
5080 (OPJ_UINT32)(l_y1 - l_y0)))
5081 /
5082 ((*l_rates) * (OPJ_FLOAT32)l_bits_empty)
5083 )
5084 -
5085 l_offset;
5086 }
5087
5088 ++l_rates;
5089
5090 for (k = 1; k < l_tcp->numlayers; ++k) {
5091 if (*l_rates > 0.0f) {
5092 *l_rates = (((OPJ_FLOAT32)(l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) *
5093 (OPJ_UINT32)(l_y1 - l_y0)))
5094 /
5095 ((*l_rates) * (OPJ_FLOAT32)l_bits_empty)
5096 )
5097 -
5098 l_offset;
5099 }
5100
5101 ++l_rates;
5102 }
5103
5104 ++l_tcp;
5105
5106 }
5107 }
5108
5109 l_tcp = l_cp->tcps;
5110
5111 for (i = 0; i < l_cp->th; ++i) {
5112 for (j = 0; j < l_cp->tw; ++j) {
5113 l_rates = l_tcp->rates;
5114
5115 if (*l_rates > 0.0f) {
5116 *l_rates -= l_sot_remove;
5117
5118 if (*l_rates < 30.0f) {
5119 *l_rates = 30.0f;
5120 }
5121 }
5122
5123 ++l_rates;
5124
5125 l_last_res = l_tcp->numlayers - 1;
5126
5127 for (k = 1; k < l_last_res; ++k) {
5128
5129 if (*l_rates > 0.0f) {
5130 *l_rates -= l_sot_remove;
5131
5132 if (*l_rates < * (l_rates - 1) + 10.0f) {
5133 *l_rates = (*(l_rates - 1)) + 20.0f;
5134 }
5135 }
5136
5137 ++l_rates;
5138 }
5139
5140 if (*l_rates > 0.0f) {
5141 *l_rates -= (l_sot_remove + 2.f);
5142
5143 if (*l_rates < * (l_rates - 1) + 10.0f) {
5144 *l_rates = (*(l_rates - 1)) + 20.0f;
5145 }
5146 }
5147
5148 ++l_tcp;
5149 }
5150 }
5151
5152 l_img_comp = l_image->comps;
5153 l_tile_size = 0;
5154
5155 for (i = 0; i < l_image->numcomps; ++i) {
5156 l_tile_size += (opj_uint_ceildiv(l_cp->tdx, l_img_comp->dx)
5157 *
5158 opj_uint_ceildiv(l_cp->tdy, l_img_comp->dy)
5159 *
5160 l_img_comp->prec
5161 );
5162
5163 ++l_img_comp;
5164 }
5165
5166 /* TODO: where does this magic value come from ? */
5167 /* This used to be 1.3 / 8, but with random data and very small code */
5168 /* block sizes, this is not enough. For example with */
5169 /* bin/test_tile_encoder 1 256 256 32 32 8 0 reversible_with_precinct.j2k 4 4 3 0 0 1 16 16 */
5170 /* TODO revise this to take into account the overhead linked to the */
5171 /* number of packets and number of code blocks in packets */
5172 l_tile_size = (OPJ_UINT32)(l_tile_size * 1.4 / 8);
5173
5174 /* Arbitrary amount to make the following work: */
5175 /* bin/test_tile_encoder 1 256 256 17 16 8 0 reversible_no_precinct.j2k 4 4 3 0 0 1 */
5176 l_tile_size += 500;
5177
5178 l_tile_size += opj_j2k_get_specific_header_sizes(p_j2k);
5179
5180 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = l_tile_size;
5181 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data =
5182 (OPJ_BYTE *) opj_malloc(p_j2k->m_specific_param.m_encoder.m_encoded_tile_size);
5183 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00) {
5184 return OPJ_FALSE;
5185 }
5186
5187 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
5188 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer =
5189 (OPJ_BYTE *) opj_malloc(5 *
5190 p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
5191 if (! p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
5192 return OPJ_FALSE;
5193 }
5194
5195 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current =
5196 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer;
5197 }
5198
5199 return OPJ_TRUE;
5200 }
5201
5202 #if 0
5203 static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
5204 opj_stream_private_t *p_stream,
5205 opj_event_mgr_t * p_manager)
5206 {
5207 OPJ_UINT32 i;
5208 opj_tcd_t * l_tcd = 00;
5209 OPJ_UINT32 l_nb_tiles;
5210 opj_tcp_t * l_tcp = 00;
5211 OPJ_BOOL l_success;
5212
5213 /* preconditions */
5214 assert(p_j2k != 00);
5215 assert(p_manager != 00);
5216 assert(p_stream != 00);
5217
5218 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
5219 l_tcp = p_j2k->m_cp.tcps;
5220
5221 l_tcd = opj_tcd_create(OPJ_TRUE);
5222 if (l_tcd == 00) {
5223 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5224 return OPJ_FALSE;
5225 }
5226
5227 for (i = 0; i < l_nb_tiles; ++i) {
5228 if (l_tcp->m_data) {
5229 if (! opj_tcd_init_decode_tile(l_tcd, i)) {
5230 opj_tcd_destroy(l_tcd);
5231 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5232 return OPJ_FALSE;
5233 }
5234
5235 l_success = opj_tcd_decode_tile(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i,
5236 p_j2k->cstr_index);
5237 /* cleanup */
5238
5239 if (! l_success) {
5240 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
5241 break;
5242 }
5243 }
5244
5245 opj_j2k_tcp_destroy(l_tcp);
5246 ++l_tcp;
5247 }
5248
5249 opj_tcd_destroy(l_tcd);
5250 return OPJ_TRUE;
5251 }
5252 #endif
5253
opj_j2k_get_end_header(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5254 static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
5255 struct opj_stream_private *p_stream,
5256 struct opj_event_mgr * p_manager)
5257 {
5258 /* preconditions */
5259 assert(p_j2k != 00);
5260 assert(p_manager != 00);
5261 assert(p_stream != 00);
5262
5263 OPJ_UNUSED(p_manager);
5264
5265 p_j2k->cstr_index->main_head_end = opj_stream_tell(p_stream);
5266
5267 return OPJ_TRUE;
5268 }
5269
opj_j2k_write_mct_data_group(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5270 static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
5271 struct opj_stream_private *p_stream,
5272 struct opj_event_mgr * p_manager)
5273 {
5274 OPJ_UINT32 i;
5275 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5276 opj_mct_data_t * l_mct_record;
5277 opj_tcp_t * l_tcp;
5278
5279 /* preconditions */
5280 assert(p_j2k != 00);
5281 assert(p_stream != 00);
5282 assert(p_manager != 00);
5283
5284 if (! opj_j2k_write_cbd(p_j2k, p_stream, p_manager)) {
5285 return OPJ_FALSE;
5286 }
5287
5288 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
5289 l_mct_record = l_tcp->m_mct_records;
5290
5291 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5292
5293 if (! opj_j2k_write_mct_record(p_j2k, l_mct_record, p_stream, p_manager)) {
5294 return OPJ_FALSE;
5295 }
5296
5297 ++l_mct_record;
5298 }
5299
5300 l_mcc_record = l_tcp->m_mcc_records;
5301
5302 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5303
5304 if (! opj_j2k_write_mcc_record(p_j2k, l_mcc_record, p_stream, p_manager)) {
5305 return OPJ_FALSE;
5306 }
5307
5308 ++l_mcc_record;
5309 }
5310
5311 if (! opj_j2k_write_mco(p_j2k, p_stream, p_manager)) {
5312 return OPJ_FALSE;
5313 }
5314
5315 return OPJ_TRUE;
5316 }
5317
opj_j2k_write_all_coc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5318 static OPJ_BOOL opj_j2k_write_all_coc(
5319 opj_j2k_t *p_j2k,
5320 struct opj_stream_private *p_stream,
5321 struct opj_event_mgr * p_manager)
5322 {
5323 OPJ_UINT32 compno;
5324
5325 /* preconditions */
5326 assert(p_j2k != 00);
5327 assert(p_manager != 00);
5328 assert(p_stream != 00);
5329
5330 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5331 /* cod is first component of first tile */
5332 if (! opj_j2k_compare_coc(p_j2k, 0, compno)) {
5333 if (! opj_j2k_write_coc(p_j2k, compno, p_stream, p_manager)) {
5334 return OPJ_FALSE;
5335 }
5336 }
5337 }
5338
5339 return OPJ_TRUE;
5340 }
5341
opj_j2k_write_all_qcc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5342 static OPJ_BOOL opj_j2k_write_all_qcc(
5343 opj_j2k_t *p_j2k,
5344 struct opj_stream_private *p_stream,
5345 struct opj_event_mgr * p_manager)
5346 {
5347 OPJ_UINT32 compno;
5348
5349 /* preconditions */
5350 assert(p_j2k != 00);
5351 assert(p_manager != 00);
5352 assert(p_stream != 00);
5353
5354 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5355 /* qcd is first component of first tile */
5356 if (! opj_j2k_compare_qcc(p_j2k, 0, compno)) {
5357 if (! opj_j2k_write_qcc(p_j2k, compno, p_stream, p_manager)) {
5358 return OPJ_FALSE;
5359 }
5360 }
5361 }
5362 return OPJ_TRUE;
5363 }
5364
opj_j2k_write_regions(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5365 static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
5366 struct opj_stream_private *p_stream,
5367 struct opj_event_mgr * p_manager)
5368 {
5369 OPJ_UINT32 compno;
5370 const opj_tccp_t *l_tccp = 00;
5371
5372 /* preconditions */
5373 assert(p_j2k != 00);
5374 assert(p_manager != 00);
5375 assert(p_stream != 00);
5376
5377 l_tccp = p_j2k->m_cp.tcps->tccps;
5378
5379 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
5380 if (l_tccp->roishift) {
5381
5382 if (! opj_j2k_write_rgn(p_j2k, 0, compno, p_j2k->m_private_image->numcomps,
5383 p_stream, p_manager)) {
5384 return OPJ_FALSE;
5385 }
5386 }
5387
5388 ++l_tccp;
5389 }
5390
5391 return OPJ_TRUE;
5392 }
5393
opj_j2k_write_epc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5394 static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
5395 struct opj_stream_private *p_stream,
5396 struct opj_event_mgr * p_manager)
5397 {
5398 opj_codestream_index_t * l_cstr_index = 00;
5399
5400 /* preconditions */
5401 assert(p_j2k != 00);
5402 assert(p_manager != 00);
5403 assert(p_stream != 00);
5404
5405 OPJ_UNUSED(p_manager);
5406
5407 l_cstr_index = p_j2k->cstr_index;
5408 if (l_cstr_index) {
5409 l_cstr_index->codestream_size = (OPJ_UINT64)opj_stream_tell(p_stream);
5410 /* UniPG>> */
5411 /* The following adjustment is done to adjust the codestream size */
5412 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
5413 /* the first bunch of bytes is not in the codestream */
5414 l_cstr_index->codestream_size -= (OPJ_UINT64)l_cstr_index->main_head_start;
5415 /* <<UniPG */
5416 }
5417
5418 #ifdef USE_JPWL
5419 /* preparation of JPWL marker segments */
5420 #if 0
5421 if (cp->epc_on) {
5422
5423 /* encode according to JPWL */
5424 jpwl_encode(p_j2k, p_stream, image);
5425
5426 }
5427 #endif
5428 assert(0 && "TODO");
5429 #endif /* USE_JPWL */
5430
5431 return OPJ_TRUE;
5432 }
5433
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)5434 static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
5435 opj_stream_private_t *p_stream,
5436 OPJ_UINT32 *output_marker,
5437 opj_event_mgr_t * p_manager
5438 )
5439 {
5440 OPJ_UINT32 l_unknown_marker;
5441 const opj_dec_memory_marker_handler_t * l_marker_handler;
5442 OPJ_UINT32 l_size_unk = 2;
5443
5444 /* preconditions*/
5445 assert(p_j2k != 00);
5446 assert(p_manager != 00);
5447 assert(p_stream != 00);
5448
5449 opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n");
5450
5451 for (;;) {
5452 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
5453 if (opj_stream_read_data(p_stream,
5454 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
5455 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
5456 return OPJ_FALSE;
5457 }
5458
5459 /* read 2 bytes as the new marker ID*/
5460 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
5461 &l_unknown_marker, 2);
5462
5463 if (!(l_unknown_marker < 0xff00)) {
5464
5465 /* Get the marker handler from the marker ID*/
5466 l_marker_handler = opj_j2k_get_marker_handler(l_unknown_marker);
5467
5468 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
5469 opj_event_msg(p_manager, EVT_ERROR,
5470 "Marker is not compliant with its position\n");
5471 return OPJ_FALSE;
5472 } else {
5473 if (l_marker_handler->id != J2K_MS_UNK) {
5474 /* Add the marker to the codestream index*/
5475 if (l_marker_handler->id != J2K_MS_SOT) {
5476 OPJ_BOOL res = opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_UNK,
5477 (OPJ_UINT32) opj_stream_tell(p_stream) - l_size_unk,
5478 l_size_unk);
5479 if (res == OPJ_FALSE) {
5480 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
5481 return OPJ_FALSE;
5482 }
5483 }
5484 break; /* next marker is known and well located */
5485 } else {
5486 l_size_unk += 2;
5487 }
5488 }
5489 }
5490 }
5491
5492 *output_marker = l_marker_handler->id ;
5493
5494 return OPJ_TRUE;
5495 }
5496
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)5497 static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
5498 opj_mct_data_t * p_mct_record,
5499 struct opj_stream_private *p_stream,
5500 struct opj_event_mgr * p_manager)
5501 {
5502 OPJ_UINT32 l_mct_size;
5503 OPJ_BYTE * l_current_data = 00;
5504 OPJ_UINT32 l_tmp;
5505
5506 /* preconditions */
5507 assert(p_j2k != 00);
5508 assert(p_manager != 00);
5509 assert(p_stream != 00);
5510
5511 l_mct_size = 10 + p_mct_record->m_data_size;
5512
5513 if (l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5514 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5515 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size);
5516 if (! new_header_tile_data) {
5517 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5518 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5519 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5520 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCT marker\n");
5521 return OPJ_FALSE;
5522 }
5523 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5524 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mct_size;
5525 }
5526
5527 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5528
5529 opj_write_bytes(l_current_data, J2K_MS_MCT,
5530 2); /* MCT */
5531 l_current_data += 2;
5532
5533 opj_write_bytes(l_current_data, l_mct_size - 2,
5534 2); /* Lmct */
5535 l_current_data += 2;
5536
5537 opj_write_bytes(l_current_data, 0,
5538 2); /* Zmct */
5539 l_current_data += 2;
5540
5541 /* only one marker atm */
5542 l_tmp = (p_mct_record->m_index & 0xff) | (p_mct_record->m_array_type << 8) |
5543 (p_mct_record->m_element_type << 10);
5544
5545 opj_write_bytes(l_current_data, l_tmp, 2);
5546 l_current_data += 2;
5547
5548 opj_write_bytes(l_current_data, 0,
5549 2); /* Ymct */
5550 l_current_data += 2;
5551
5552 memcpy(l_current_data, p_mct_record->m_data, p_mct_record->m_data_size);
5553
5554 if (opj_stream_write_data(p_stream,
5555 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size,
5556 p_manager) != l_mct_size) {
5557 return OPJ_FALSE;
5558 }
5559
5560 return OPJ_TRUE;
5561 }
5562
5563 /**
5564 * Reads a MCT marker (Multiple Component Transform)
5565 *
5566 * @param p_header_data the data contained in the MCT box.
5567 * @param p_j2k the jpeg2000 codec.
5568 * @param p_header_size the size of the data contained in the MCT marker.
5569 * @param p_manager the user event manager.
5570 */
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)5571 static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
5572 OPJ_BYTE * p_header_data,
5573 OPJ_UINT32 p_header_size,
5574 opj_event_mgr_t * p_manager
5575 )
5576 {
5577 OPJ_UINT32 i;
5578 opj_tcp_t *l_tcp = 00;
5579 OPJ_UINT32 l_tmp;
5580 OPJ_UINT32 l_indix;
5581 opj_mct_data_t * l_mct_data;
5582 OPJ_BOOL new_mct = OPJ_FALSE;
5583
5584 /* preconditions */
5585 assert(p_header_data != 00);
5586 assert(p_j2k != 00);
5587
5588 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5589 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5590 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5591
5592 if (p_header_size < 2) {
5593 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5594 return OPJ_FALSE;
5595 }
5596
5597 /* first marker */
5598 opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmct */
5599 p_header_data += 2;
5600 if (l_tmp != 0) {
5601 opj_event_msg(p_manager, EVT_WARNING,
5602 "Cannot take in charge mct data within multiple MCT records\n");
5603 return OPJ_TRUE;
5604 }
5605
5606 if (p_header_size <= 6) {
5607 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5608 return OPJ_FALSE;
5609 }
5610
5611 /* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/
5612 opj_read_bytes(p_header_data, &l_tmp, 2); /* Imct */
5613 p_header_data += 2;
5614
5615 l_indix = l_tmp & 0xff;
5616 l_mct_data = l_tcp->m_mct_records;
5617
5618 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5619 if (l_mct_data->m_index == l_indix) {
5620 break;
5621 }
5622 ++l_mct_data;
5623 }
5624
5625 /* NOT FOUND */
5626 if (i == l_tcp->m_nb_mct_records) {
5627 if (l_tcp->m_nb_mct_records == l_tcp->m_nb_max_mct_records) {
5628 opj_mct_data_t *new_mct_records;
5629 l_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
5630
5631 new_mct_records = (opj_mct_data_t *) opj_realloc(l_tcp->m_mct_records,
5632 l_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
5633 if (! new_mct_records) {
5634 opj_free(l_tcp->m_mct_records);
5635 l_tcp->m_mct_records = NULL;
5636 l_tcp->m_nb_max_mct_records = 0;
5637 l_tcp->m_nb_mct_records = 0;
5638 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCT marker\n");
5639 return OPJ_FALSE;
5640 }
5641
5642 /* Update m_mcc_records[].m_offset_array and m_decorrelation_array
5643 * to point to the new addresses */
5644 if (new_mct_records != l_tcp->m_mct_records) {
5645 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5646 opj_simple_mcc_decorrelation_data_t* l_mcc_record =
5647 &(l_tcp->m_mcc_records[i]);
5648 if (l_mcc_record->m_decorrelation_array) {
5649 l_mcc_record->m_decorrelation_array =
5650 new_mct_records +
5651 (l_mcc_record->m_decorrelation_array -
5652 l_tcp->m_mct_records);
5653 }
5654 if (l_mcc_record->m_offset_array) {
5655 l_mcc_record->m_offset_array =
5656 new_mct_records +
5657 (l_mcc_record->m_offset_array -
5658 l_tcp->m_mct_records);
5659 }
5660 }
5661 }
5662
5663 l_tcp->m_mct_records = new_mct_records;
5664 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5665 memset(l_mct_data, 0, (l_tcp->m_nb_max_mct_records - l_tcp->m_nb_mct_records) *
5666 sizeof(opj_mct_data_t));
5667 }
5668
5669 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5670 new_mct = OPJ_TRUE;
5671 }
5672
5673 if (l_mct_data->m_data) {
5674 opj_free(l_mct_data->m_data);
5675 l_mct_data->m_data = 00;
5676 l_mct_data->m_data_size = 0;
5677 }
5678
5679 l_mct_data->m_index = l_indix;
5680 l_mct_data->m_array_type = (J2K_MCT_ARRAY_TYPE)((l_tmp >> 8) & 3);
5681 l_mct_data->m_element_type = (J2K_MCT_ELEMENT_TYPE)((l_tmp >> 10) & 3);
5682
5683 opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymct */
5684 p_header_data += 2;
5685 if (l_tmp != 0) {
5686 opj_event_msg(p_manager, EVT_WARNING,
5687 "Cannot take in charge multiple MCT markers\n");
5688 return OPJ_TRUE;
5689 }
5690
5691 p_header_size -= 6;
5692
5693 l_mct_data->m_data = (OPJ_BYTE*)opj_malloc(p_header_size);
5694 if (! l_mct_data->m_data) {
5695 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5696 return OPJ_FALSE;
5697 }
5698 memcpy(l_mct_data->m_data, p_header_data, p_header_size);
5699
5700 l_mct_data->m_data_size = p_header_size;
5701
5702 if (new_mct) {
5703 ++l_tcp->m_nb_mct_records;
5704 }
5705 return OPJ_TRUE;
5706 }
5707
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)5708 static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
5709 struct opj_simple_mcc_decorrelation_data * p_mcc_record,
5710 struct opj_stream_private *p_stream,
5711 struct opj_event_mgr * p_manager)
5712 {
5713 OPJ_UINT32 i;
5714 OPJ_UINT32 l_mcc_size;
5715 OPJ_BYTE * l_current_data = 00;
5716 OPJ_UINT32 l_nb_bytes_for_comp;
5717 OPJ_UINT32 l_mask;
5718 OPJ_UINT32 l_tmcc;
5719
5720 /* preconditions */
5721 assert(p_j2k != 00);
5722 assert(p_manager != 00);
5723 assert(p_stream != 00);
5724
5725 if (p_mcc_record->m_nb_comps > 255) {
5726 l_nb_bytes_for_comp = 2;
5727 l_mask = 0x8000;
5728 } else {
5729 l_nb_bytes_for_comp = 1;
5730 l_mask = 0;
5731 }
5732
5733 l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19;
5734 if (l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5735 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5736 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size);
5737 if (! new_header_tile_data) {
5738 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5739 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5740 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5741 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCC marker\n");
5742 return OPJ_FALSE;
5743 }
5744 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5745 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mcc_size;
5746 }
5747
5748 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5749
5750 opj_write_bytes(l_current_data, J2K_MS_MCC,
5751 2); /* MCC */
5752 l_current_data += 2;
5753
5754 opj_write_bytes(l_current_data, l_mcc_size - 2,
5755 2); /* Lmcc */
5756 l_current_data += 2;
5757
5758 /* first marker */
5759 opj_write_bytes(l_current_data, 0,
5760 2); /* Zmcc */
5761 l_current_data += 2;
5762
5763 opj_write_bytes(l_current_data, p_mcc_record->m_index,
5764 1); /* Imcc -> no need for other values, take the first */
5765 ++l_current_data;
5766
5767 /* only one marker atm */
5768 opj_write_bytes(l_current_data, 0,
5769 2); /* Ymcc */
5770 l_current_data += 2;
5771
5772 opj_write_bytes(l_current_data, 1,
5773 2); /* Qmcc -> number of collections -> 1 */
5774 l_current_data += 2;
5775
5776 opj_write_bytes(l_current_data, 0x1,
5777 1); /* Xmcci type of component transformation -> array based decorrelation */
5778 ++l_current_data;
5779
5780 opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
5781 2); /* Nmcci number of input components involved and size for each component offset = 8 bits */
5782 l_current_data += 2;
5783
5784 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
5785 opj_write_bytes(l_current_data, i,
5786 l_nb_bytes_for_comp); /* Cmccij Component offset*/
5787 l_current_data += l_nb_bytes_for_comp;
5788 }
5789
5790 opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
5791 2); /* Mmcci number of output components involved and size for each component offset = 8 bits */
5792 l_current_data += 2;
5793
5794 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
5795 opj_write_bytes(l_current_data, i,
5796 l_nb_bytes_for_comp); /* Wmccij Component offset*/
5797 l_current_data += l_nb_bytes_for_comp;
5798 }
5799
5800 l_tmcc = ((!p_mcc_record->m_is_irreversible) & 1U) << 16;
5801
5802 if (p_mcc_record->m_decorrelation_array) {
5803 l_tmcc |= p_mcc_record->m_decorrelation_array->m_index;
5804 }
5805
5806 if (p_mcc_record->m_offset_array) {
5807 l_tmcc |= ((p_mcc_record->m_offset_array->m_index) << 8);
5808 }
5809
5810 opj_write_bytes(l_current_data, l_tmcc,
5811 3); /* Tmcci : use MCT defined as number 1 and irreversible array based. */
5812 l_current_data += 3;
5813
5814 if (opj_stream_write_data(p_stream,
5815 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size,
5816 p_manager) != l_mcc_size) {
5817 return OPJ_FALSE;
5818 }
5819
5820 return OPJ_TRUE;
5821 }
5822
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)5823 static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
5824 OPJ_BYTE * p_header_data,
5825 OPJ_UINT32 p_header_size,
5826 opj_event_mgr_t * p_manager)
5827 {
5828 OPJ_UINT32 i, j;
5829 OPJ_UINT32 l_tmp;
5830 OPJ_UINT32 l_indix;
5831 opj_tcp_t * l_tcp;
5832 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5833 opj_mct_data_t * l_mct_data;
5834 OPJ_UINT32 l_nb_collections;
5835 OPJ_UINT32 l_nb_comps;
5836 OPJ_UINT32 l_nb_bytes_by_comp;
5837 OPJ_BOOL l_new_mcc = OPJ_FALSE;
5838
5839 /* preconditions */
5840 assert(p_header_data != 00);
5841 assert(p_j2k != 00);
5842 assert(p_manager != 00);
5843
5844 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5845 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5846 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5847
5848 if (p_header_size < 2) {
5849 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5850 return OPJ_FALSE;
5851 }
5852
5853 /* first marker */
5854 opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmcc */
5855 p_header_data += 2;
5856 if (l_tmp != 0) {
5857 opj_event_msg(p_manager, EVT_WARNING,
5858 "Cannot take in charge multiple data spanning\n");
5859 return OPJ_TRUE;
5860 }
5861
5862 if (p_header_size < 7) {
5863 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5864 return OPJ_FALSE;
5865 }
5866
5867 opj_read_bytes(p_header_data, &l_indix,
5868 1); /* Imcc -> no need for other values, take the first */
5869 ++p_header_data;
5870
5871 l_mcc_record = l_tcp->m_mcc_records;
5872
5873 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5874 if (l_mcc_record->m_index == l_indix) {
5875 break;
5876 }
5877 ++l_mcc_record;
5878 }
5879
5880 /** NOT FOUND */
5881 if (i == l_tcp->m_nb_mcc_records) {
5882 if (l_tcp->m_nb_mcc_records == l_tcp->m_nb_max_mcc_records) {
5883 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
5884 l_tcp->m_nb_max_mcc_records += OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
5885
5886 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
5887 l_tcp->m_mcc_records, l_tcp->m_nb_max_mcc_records * sizeof(
5888 opj_simple_mcc_decorrelation_data_t));
5889 if (! new_mcc_records) {
5890 opj_free(l_tcp->m_mcc_records);
5891 l_tcp->m_mcc_records = NULL;
5892 l_tcp->m_nb_max_mcc_records = 0;
5893 l_tcp->m_nb_mcc_records = 0;
5894 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCC marker\n");
5895 return OPJ_FALSE;
5896 }
5897 l_tcp->m_mcc_records = new_mcc_records;
5898 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
5899 memset(l_mcc_record, 0, (l_tcp->m_nb_max_mcc_records - l_tcp->m_nb_mcc_records)
5900 * sizeof(opj_simple_mcc_decorrelation_data_t));
5901 }
5902 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
5903 l_new_mcc = OPJ_TRUE;
5904 }
5905 l_mcc_record->m_index = l_indix;
5906
5907 /* only one marker atm */
5908 opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymcc */
5909 p_header_data += 2;
5910 if (l_tmp != 0) {
5911 opj_event_msg(p_manager, EVT_WARNING,
5912 "Cannot take in charge multiple data spanning\n");
5913 return OPJ_TRUE;
5914 }
5915
5916 opj_read_bytes(p_header_data, &l_nb_collections,
5917 2); /* Qmcc -> number of collections -> 1 */
5918 p_header_data += 2;
5919
5920 if (l_nb_collections > 1) {
5921 opj_event_msg(p_manager, EVT_WARNING,
5922 "Cannot take in charge multiple collections\n");
5923 return OPJ_TRUE;
5924 }
5925
5926 p_header_size -= 7;
5927
5928 for (i = 0; i < l_nb_collections; ++i) {
5929 if (p_header_size < 3) {
5930 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5931 return OPJ_FALSE;
5932 }
5933
5934 opj_read_bytes(p_header_data, &l_tmp,
5935 1); /* Xmcci type of component transformation -> array based decorrelation */
5936 ++p_header_data;
5937
5938 if (l_tmp != 1) {
5939 opj_event_msg(p_manager, EVT_WARNING,
5940 "Cannot take in charge collections other than array decorrelation\n");
5941 return OPJ_TRUE;
5942 }
5943
5944 opj_read_bytes(p_header_data, &l_nb_comps, 2);
5945
5946 p_header_data += 2;
5947 p_header_size -= 3;
5948
5949 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
5950 l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff;
5951
5952 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2)) {
5953 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5954 return OPJ_FALSE;
5955 }
5956
5957 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2);
5958
5959 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
5960 opj_read_bytes(p_header_data, &l_tmp,
5961 l_nb_bytes_by_comp); /* Cmccij Component offset*/
5962 p_header_data += l_nb_bytes_by_comp;
5963
5964 if (l_tmp != j) {
5965 opj_event_msg(p_manager, EVT_WARNING,
5966 "Cannot take in charge collections with indix shuffle\n");
5967 return OPJ_TRUE;
5968 }
5969 }
5970
5971 opj_read_bytes(p_header_data, &l_nb_comps, 2);
5972 p_header_data += 2;
5973
5974 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
5975 l_nb_comps &= 0x7fff;
5976
5977 if (l_nb_comps != l_mcc_record->m_nb_comps) {
5978 opj_event_msg(p_manager, EVT_WARNING,
5979 "Cannot take in charge collections without same number of indixes\n");
5980 return OPJ_TRUE;
5981 }
5982
5983 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3)) {
5984 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5985 return OPJ_FALSE;
5986 }
5987
5988 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3);
5989
5990 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
5991 opj_read_bytes(p_header_data, &l_tmp,
5992 l_nb_bytes_by_comp); /* Wmccij Component offset*/
5993 p_header_data += l_nb_bytes_by_comp;
5994
5995 if (l_tmp != j) {
5996 opj_event_msg(p_manager, EVT_WARNING,
5997 "Cannot take in charge collections with indix shuffle\n");
5998 return OPJ_TRUE;
5999 }
6000 }
6001
6002 opj_read_bytes(p_header_data, &l_tmp, 3); /* Wmccij Component offset*/
6003 p_header_data += 3;
6004
6005 l_mcc_record->m_is_irreversible = !((l_tmp >> 16) & 1);
6006 l_mcc_record->m_decorrelation_array = 00;
6007 l_mcc_record->m_offset_array = 00;
6008
6009 l_indix = l_tmp & 0xff;
6010 if (l_indix != 0) {
6011 l_mct_data = l_tcp->m_mct_records;
6012 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6013 if (l_mct_data->m_index == l_indix) {
6014 l_mcc_record->m_decorrelation_array = l_mct_data;
6015 break;
6016 }
6017 ++l_mct_data;
6018 }
6019
6020 if (l_mcc_record->m_decorrelation_array == 00) {
6021 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6022 return OPJ_FALSE;
6023 }
6024 }
6025
6026 l_indix = (l_tmp >> 8) & 0xff;
6027 if (l_indix != 0) {
6028 l_mct_data = l_tcp->m_mct_records;
6029 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6030 if (l_mct_data->m_index == l_indix) {
6031 l_mcc_record->m_offset_array = l_mct_data;
6032 break;
6033 }
6034 ++l_mct_data;
6035 }
6036
6037 if (l_mcc_record->m_offset_array == 00) {
6038 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6039 return OPJ_FALSE;
6040 }
6041 }
6042 }
6043
6044 if (p_header_size != 0) {
6045 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6046 return OPJ_FALSE;
6047 }
6048
6049 if (l_new_mcc) {
6050 ++l_tcp->m_nb_mcc_records;
6051 }
6052
6053 return OPJ_TRUE;
6054 }
6055
opj_j2k_write_mco(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)6056 static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
6057 struct opj_stream_private *p_stream,
6058 struct opj_event_mgr * p_manager
6059 )
6060 {
6061 OPJ_BYTE * l_current_data = 00;
6062 OPJ_UINT32 l_mco_size;
6063 opj_tcp_t * l_tcp = 00;
6064 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6065 OPJ_UINT32 i;
6066
6067 /* preconditions */
6068 assert(p_j2k != 00);
6069 assert(p_manager != 00);
6070 assert(p_stream != 00);
6071
6072 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
6073
6074 l_mco_size = 5 + l_tcp->m_nb_mcc_records;
6075 if (l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6076
6077 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6078 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size);
6079 if (! new_header_tile_data) {
6080 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6081 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6082 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6083 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCO marker\n");
6084 return OPJ_FALSE;
6085 }
6086 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6087 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
6088 }
6089 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6090
6091
6092 opj_write_bytes(l_current_data, J2K_MS_MCO, 2); /* MCO */
6093 l_current_data += 2;
6094
6095 opj_write_bytes(l_current_data, l_mco_size - 2, 2); /* Lmco */
6096 l_current_data += 2;
6097
6098 opj_write_bytes(l_current_data, l_tcp->m_nb_mcc_records,
6099 1); /* Nmco : only one transform stage*/
6100 ++l_current_data;
6101
6102 l_mcc_record = l_tcp->m_mcc_records;
6103 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
6104 opj_write_bytes(l_current_data, l_mcc_record->m_index,
6105 1); /* Imco -> use the mcc indicated by 1*/
6106 ++l_current_data;
6107 ++l_mcc_record;
6108 }
6109
6110 if (opj_stream_write_data(p_stream,
6111 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size,
6112 p_manager) != l_mco_size) {
6113 return OPJ_FALSE;
6114 }
6115
6116 return OPJ_TRUE;
6117 }
6118
6119 /**
6120 * Reads a MCO marker (Multiple Component Transform Ordering)
6121 *
6122 * @param p_header_data the data contained in the MCO box.
6123 * @param p_j2k the jpeg2000 codec.
6124 * @param p_header_size the size of the data contained in the MCO marker.
6125 * @param p_manager the user event manager.
6126 */
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)6127 static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
6128 OPJ_BYTE * p_header_data,
6129 OPJ_UINT32 p_header_size,
6130 opj_event_mgr_t * p_manager
6131 )
6132 {
6133 OPJ_UINT32 l_tmp, i;
6134 OPJ_UINT32 l_nb_stages;
6135 opj_tcp_t * l_tcp;
6136 opj_tccp_t * l_tccp;
6137 opj_image_t * l_image;
6138
6139 /* preconditions */
6140 assert(p_header_data != 00);
6141 assert(p_j2k != 00);
6142 assert(p_manager != 00);
6143
6144 l_image = p_j2k->m_private_image;
6145 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
6146 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
6147 p_j2k->m_specific_param.m_decoder.m_default_tcp;
6148
6149 if (p_header_size < 1) {
6150 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCO marker\n");
6151 return OPJ_FALSE;
6152 }
6153
6154 opj_read_bytes(p_header_data, &l_nb_stages,
6155 1); /* Nmco : only one transform stage*/
6156 ++p_header_data;
6157
6158 if (l_nb_stages > 1) {
6159 opj_event_msg(p_manager, EVT_WARNING,
6160 "Cannot take in charge multiple transformation stages.\n");
6161 return OPJ_TRUE;
6162 }
6163
6164 if (p_header_size != l_nb_stages + 1) {
6165 opj_event_msg(p_manager, EVT_WARNING, "Error reading MCO marker\n");
6166 return OPJ_FALSE;
6167 }
6168
6169 l_tccp = l_tcp->tccps;
6170
6171 for (i = 0; i < l_image->numcomps; ++i) {
6172 l_tccp->m_dc_level_shift = 0;
6173 ++l_tccp;
6174 }
6175
6176 if (l_tcp->m_mct_decoding_matrix) {
6177 opj_free(l_tcp->m_mct_decoding_matrix);
6178 l_tcp->m_mct_decoding_matrix = 00;
6179 }
6180
6181 for (i = 0; i < l_nb_stages; ++i) {
6182 opj_read_bytes(p_header_data, &l_tmp, 1);
6183 ++p_header_data;
6184
6185 if (! opj_j2k_add_mct(l_tcp, p_j2k->m_private_image, l_tmp)) {
6186 return OPJ_FALSE;
6187 }
6188 }
6189
6190 return OPJ_TRUE;
6191 }
6192
opj_j2k_add_mct(opj_tcp_t * p_tcp,opj_image_t * p_image,OPJ_UINT32 p_index)6193 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
6194 OPJ_UINT32 p_index)
6195 {
6196 OPJ_UINT32 i;
6197 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6198 opj_mct_data_t * l_deco_array, * l_offset_array;
6199 OPJ_UINT32 l_data_size, l_mct_size, l_offset_size;
6200 OPJ_UINT32 l_nb_elem;
6201 OPJ_UINT32 * l_offset_data, * l_current_offset_data;
6202 opj_tccp_t * l_tccp;
6203
6204 /* preconditions */
6205 assert(p_tcp != 00);
6206
6207 l_mcc_record = p_tcp->m_mcc_records;
6208
6209 for (i = 0; i < p_tcp->m_nb_mcc_records; ++i) {
6210 if (l_mcc_record->m_index == p_index) {
6211 break;
6212 }
6213 }
6214
6215 if (i == p_tcp->m_nb_mcc_records) {
6216 /** element discarded **/
6217 return OPJ_TRUE;
6218 }
6219
6220 if (l_mcc_record->m_nb_comps != p_image->numcomps) {
6221 /** do not support number of comps != image */
6222 return OPJ_TRUE;
6223 }
6224
6225 l_deco_array = l_mcc_record->m_decorrelation_array;
6226
6227 if (l_deco_array) {
6228 l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps
6229 * p_image->numcomps;
6230 if (l_deco_array->m_data_size != l_data_size || ! l_deco_array->m_data) {
6231 return OPJ_FALSE;
6232 }
6233
6234 l_nb_elem = p_image->numcomps * p_image->numcomps;
6235 l_mct_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
6236 p_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
6237
6238 if (! p_tcp->m_mct_decoding_matrix) {
6239 return OPJ_FALSE;
6240 }
6241
6242 j2k_mct_read_functions_to_float[l_deco_array->m_element_type](
6243 l_deco_array->m_data, p_tcp->m_mct_decoding_matrix, l_nb_elem);
6244 }
6245
6246 l_offset_array = l_mcc_record->m_offset_array;
6247
6248 if (l_offset_array) {
6249 l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] *
6250 p_image->numcomps;
6251 if (l_offset_array->m_data_size != l_data_size || ! l_offset_array->m_data) {
6252 return OPJ_FALSE;
6253 }
6254
6255 l_nb_elem = p_image->numcomps;
6256 l_offset_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_UINT32);
6257 l_offset_data = (OPJ_UINT32*)opj_malloc(l_offset_size);
6258
6259 if (! l_offset_data) {
6260 return OPJ_FALSE;
6261 }
6262
6263 j2k_mct_read_functions_to_int32[l_offset_array->m_element_type](
6264 l_offset_array->m_data, l_offset_data, l_nb_elem);
6265
6266 l_tccp = p_tcp->tccps;
6267 l_current_offset_data = l_offset_data;
6268
6269 for (i = 0; i < p_image->numcomps; ++i) {
6270 l_tccp->m_dc_level_shift = (OPJ_INT32) * (l_current_offset_data++);
6271 ++l_tccp;
6272 }
6273
6274 opj_free(l_offset_data);
6275 }
6276
6277 return OPJ_TRUE;
6278 }
6279
opj_j2k_write_cbd(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)6280 static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
6281 struct opj_stream_private *p_stream,
6282 struct opj_event_mgr * p_manager)
6283 {
6284 OPJ_UINT32 i;
6285 OPJ_UINT32 l_cbd_size;
6286 OPJ_BYTE * l_current_data = 00;
6287 opj_image_t *l_image = 00;
6288 opj_image_comp_t * l_comp = 00;
6289
6290 /* preconditions */
6291 assert(p_j2k != 00);
6292 assert(p_manager != 00);
6293 assert(p_stream != 00);
6294
6295 l_image = p_j2k->m_private_image;
6296 l_cbd_size = 6 + p_j2k->m_private_image->numcomps;
6297
6298 if (l_cbd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6299 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6300 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size);
6301 if (! new_header_tile_data) {
6302 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6303 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6304 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6305 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write CBD marker\n");
6306 return OPJ_FALSE;
6307 }
6308 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6309 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_cbd_size;
6310 }
6311
6312 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6313
6314 opj_write_bytes(l_current_data, J2K_MS_CBD, 2); /* CBD */
6315 l_current_data += 2;
6316
6317 opj_write_bytes(l_current_data, l_cbd_size - 2, 2); /* L_CBD */
6318 l_current_data += 2;
6319
6320 opj_write_bytes(l_current_data, l_image->numcomps, 2); /* Ncbd */
6321 l_current_data += 2;
6322
6323 l_comp = l_image->comps;
6324
6325 for (i = 0; i < l_image->numcomps; ++i) {
6326 opj_write_bytes(l_current_data, (l_comp->sgnd << 7) | (l_comp->prec - 1),
6327 1); /* Component bit depth */
6328 ++l_current_data;
6329
6330 ++l_comp;
6331 }
6332
6333 if (opj_stream_write_data(p_stream,
6334 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size,
6335 p_manager) != l_cbd_size) {
6336 return OPJ_FALSE;
6337 }
6338
6339 return OPJ_TRUE;
6340 }
6341
6342 /**
6343 * Reads a CBD marker (Component bit depth definition)
6344 * @param p_header_data the data contained in the CBD box.
6345 * @param p_j2k the jpeg2000 codec.
6346 * @param p_header_size the size of the data contained in the CBD marker.
6347 * @param p_manager the user event manager.
6348 */
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)6349 static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
6350 OPJ_BYTE * p_header_data,
6351 OPJ_UINT32 p_header_size,
6352 opj_event_mgr_t * p_manager
6353 )
6354 {
6355 OPJ_UINT32 l_nb_comp, l_num_comp;
6356 OPJ_UINT32 l_comp_def;
6357 OPJ_UINT32 i;
6358 opj_image_comp_t * l_comp = 00;
6359
6360 /* preconditions */
6361 assert(p_header_data != 00);
6362 assert(p_j2k != 00);
6363 assert(p_manager != 00);
6364
6365 l_num_comp = p_j2k->m_private_image->numcomps;
6366
6367 if (p_header_size != (p_j2k->m_private_image->numcomps + 2)) {
6368 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
6369 return OPJ_FALSE;
6370 }
6371
6372 opj_read_bytes(p_header_data, &l_nb_comp,
6373 2); /* Ncbd */
6374 p_header_data += 2;
6375
6376 if (l_nb_comp != l_num_comp) {
6377 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
6378 return OPJ_FALSE;
6379 }
6380
6381 l_comp = p_j2k->m_private_image->comps;
6382 for (i = 0; i < l_num_comp; ++i) {
6383 opj_read_bytes(p_header_data, &l_comp_def,
6384 1); /* Component bit depth */
6385 ++p_header_data;
6386 l_comp->sgnd = (l_comp_def >> 7) & 1;
6387 l_comp->prec = (l_comp_def & 0x7f) + 1;
6388
6389 if (l_comp->prec > 31) {
6390 opj_event_msg(p_manager, EVT_ERROR,
6391 "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",
6392 i, l_comp->prec);
6393 return OPJ_FALSE;
6394 }
6395 ++l_comp;
6396 }
6397
6398 return OPJ_TRUE;
6399 }
6400
6401 /* ----------------------------------------------------------------------- */
6402 /* J2K / JPT decoder interface */
6403 /* ----------------------------------------------------------------------- */
6404
opj_j2k_setup_decoder(opj_j2k_t * j2k,opj_dparameters_t * parameters)6405 void opj_j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters)
6406 {
6407 if (j2k && parameters) {
6408 j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer;
6409 j2k->m_cp.m_specific_param.m_dec.m_reduce = parameters->cp_reduce;
6410
6411 j2k->dump_state = (parameters->flags & OPJ_DPARAMETERS_DUMP_FLAG);
6412 #ifdef USE_JPWL
6413 j2k->m_cp.correct = parameters->jpwl_correct;
6414 j2k->m_cp.exp_comps = parameters->jpwl_exp_comps;
6415 j2k->m_cp.max_tiles = parameters->jpwl_max_tiles;
6416 #endif /* USE_JPWL */
6417 }
6418 }
6419
opj_j2k_set_threads(opj_j2k_t * j2k,OPJ_UINT32 num_threads)6420 OPJ_BOOL opj_j2k_set_threads(opj_j2k_t *j2k, OPJ_UINT32 num_threads)
6421 {
6422 if (opj_has_thread_support()) {
6423 opj_thread_pool_destroy(j2k->m_tp);
6424 j2k->m_tp = NULL;
6425 if (num_threads <= (OPJ_UINT32)INT_MAX) {
6426 j2k->m_tp = opj_thread_pool_create((int)num_threads);
6427 }
6428 if (j2k->m_tp == NULL) {
6429 j2k->m_tp = opj_thread_pool_create(0);
6430 return OPJ_FALSE;
6431 }
6432 return OPJ_TRUE;
6433 }
6434 return OPJ_FALSE;
6435 }
6436
opj_j2k_get_default_thread_count()6437 static int opj_j2k_get_default_thread_count()
6438 {
6439 const char* num_threads_str = getenv("OPJ_NUM_THREADS");
6440 int num_cpus;
6441 int num_threads;
6442
6443 if (num_threads_str == NULL || !opj_has_thread_support()) {
6444 return 0;
6445 }
6446 num_cpus = opj_get_num_cpus();
6447 if (strcmp(num_threads_str, "ALL_CPUS") == 0) {
6448 return num_cpus;
6449 }
6450 if (num_cpus == 0) {
6451 num_cpus = 32;
6452 }
6453 num_threads = atoi(num_threads_str);
6454 if (num_threads < 0) {
6455 num_threads = 0;
6456 } else if (num_threads > 2 * num_cpus) {
6457 num_threads = 2 * num_cpus;
6458 }
6459 return num_threads;
6460 }
6461
6462 /* ----------------------------------------------------------------------- */
6463 /* J2K encoder interface */
6464 /* ----------------------------------------------------------------------- */
6465
opj_j2k_create_compress(void)6466 opj_j2k_t* opj_j2k_create_compress(void)
6467 {
6468 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
6469 if (!l_j2k) {
6470 return NULL;
6471 }
6472
6473
6474 l_j2k->m_is_decoder = 0;
6475 l_j2k->m_cp.m_is_decoder = 0;
6476
6477 l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(
6478 OPJ_J2K_DEFAULT_HEADER_SIZE);
6479 if (! l_j2k->m_specific_param.m_encoder.m_header_tile_data) {
6480 opj_j2k_destroy(l_j2k);
6481 return NULL;
6482 }
6483
6484 l_j2k->m_specific_param.m_encoder.m_header_tile_data_size =
6485 OPJ_J2K_DEFAULT_HEADER_SIZE;
6486
6487 /* validation list creation*/
6488 l_j2k->m_validation_list = opj_procedure_list_create();
6489 if (! l_j2k->m_validation_list) {
6490 opj_j2k_destroy(l_j2k);
6491 return NULL;
6492 }
6493
6494 /* execution list creation*/
6495 l_j2k->m_procedure_list = opj_procedure_list_create();
6496 if (! l_j2k->m_procedure_list) {
6497 opj_j2k_destroy(l_j2k);
6498 return NULL;
6499 }
6500
6501 l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
6502 if (!l_j2k->m_tp) {
6503 l_j2k->m_tp = opj_thread_pool_create(0);
6504 }
6505 if (!l_j2k->m_tp) {
6506 opj_j2k_destroy(l_j2k);
6507 return NULL;
6508 }
6509
6510 return l_j2k;
6511 }
6512
opj_j2k_initialise_4K_poc(opj_poc_t * POC,int numres)6513 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres)
6514 {
6515 POC[0].tile = 1;
6516 POC[0].resno0 = 0;
6517 POC[0].compno0 = 0;
6518 POC[0].layno1 = 1;
6519 POC[0].resno1 = (OPJ_UINT32)(numres - 1);
6520 POC[0].compno1 = 3;
6521 POC[0].prg1 = OPJ_CPRL;
6522 POC[1].tile = 1;
6523 POC[1].resno0 = (OPJ_UINT32)(numres - 1);
6524 POC[1].compno0 = 0;
6525 POC[1].layno1 = 1;
6526 POC[1].resno1 = (OPJ_UINT32)numres;
6527 POC[1].compno1 = 3;
6528 POC[1].prg1 = OPJ_CPRL;
6529 return 2;
6530 }
6531
opj_j2k_set_cinema_parameters(opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)6532 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
6533 opj_image_t *image, opj_event_mgr_t *p_manager)
6534 {
6535 /* Configure cinema parameters */
6536 int i;
6537
6538 /* No tiling */
6539 parameters->tile_size_on = OPJ_FALSE;
6540 parameters->cp_tdx = 1;
6541 parameters->cp_tdy = 1;
6542
6543 /* One tile part for each component */
6544 parameters->tp_flag = 'C';
6545 parameters->tp_on = 1;
6546
6547 /* Tile and Image shall be at (0,0) */
6548 parameters->cp_tx0 = 0;
6549 parameters->cp_ty0 = 0;
6550 parameters->image_offset_x0 = 0;
6551 parameters->image_offset_y0 = 0;
6552
6553 /* Codeblock size= 32*32 */
6554 parameters->cblockw_init = 32;
6555 parameters->cblockh_init = 32;
6556
6557 /* Codeblock style: no mode switch enabled */
6558 parameters->mode = 0;
6559
6560 /* No ROI */
6561 parameters->roi_compno = -1;
6562
6563 /* No subsampling */
6564 parameters->subsampling_dx = 1;
6565 parameters->subsampling_dy = 1;
6566
6567 /* 9-7 transform */
6568 parameters->irreversible = 1;
6569
6570 /* Number of layers */
6571 if (parameters->tcp_numlayers > 1) {
6572 opj_event_msg(p_manager, EVT_WARNING,
6573 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6574 "1 single quality layer"
6575 "-> Number of layers forced to 1 (rather than %d)\n"
6576 "-> Rate of the last layer (%3.1f) will be used",
6577 parameters->tcp_numlayers,
6578 parameters->tcp_rates[parameters->tcp_numlayers - 1]);
6579 parameters->tcp_rates[0] = parameters->tcp_rates[parameters->tcp_numlayers - 1];
6580 parameters->tcp_numlayers = 1;
6581 }
6582
6583 /* Resolution levels */
6584 switch (parameters->rsiz) {
6585 case OPJ_PROFILE_CINEMA_2K:
6586 if (parameters->numresolution > 6) {
6587 opj_event_msg(p_manager, EVT_WARNING,
6588 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6589 "Number of decomposition levels <= 5\n"
6590 "-> Number of decomposition levels forced to 5 (rather than %d)\n",
6591 parameters->numresolution + 1);
6592 parameters->numresolution = 6;
6593 }
6594 break;
6595 case OPJ_PROFILE_CINEMA_4K:
6596 if (parameters->numresolution < 2) {
6597 opj_event_msg(p_manager, EVT_WARNING,
6598 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6599 "Number of decomposition levels >= 1 && <= 6\n"
6600 "-> Number of decomposition levels forced to 1 (rather than %d)\n",
6601 parameters->numresolution + 1);
6602 parameters->numresolution = 1;
6603 } else if (parameters->numresolution > 7) {
6604 opj_event_msg(p_manager, EVT_WARNING,
6605 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6606 "Number of decomposition levels >= 1 && <= 6\n"
6607 "-> Number of decomposition levels forced to 6 (rather than %d)\n",
6608 parameters->numresolution + 1);
6609 parameters->numresolution = 7;
6610 }
6611 break;
6612 default :
6613 break;
6614 }
6615
6616 /* Precincts */
6617 parameters->csty |= 0x01;
6618 if (parameters->numresolution == 1) {
6619 parameters->res_spec = 1;
6620 parameters->prcw_init[0] = 128;
6621 parameters->prch_init[0] = 128;
6622 } else {
6623 parameters->res_spec = parameters->numresolution - 1;
6624 for (i = 0; i < parameters->res_spec; i++) {
6625 parameters->prcw_init[i] = 256;
6626 parameters->prch_init[i] = 256;
6627 }
6628 }
6629
6630 /* The progression order shall be CPRL */
6631 parameters->prog_order = OPJ_CPRL;
6632
6633 /* Progression order changes for 4K, disallowed for 2K */
6634 if (parameters->rsiz == OPJ_PROFILE_CINEMA_4K) {
6635 parameters->numpocs = (OPJ_UINT32)opj_j2k_initialise_4K_poc(parameters->POC,
6636 parameters->numresolution);
6637 } else {
6638 parameters->numpocs = 0;
6639 }
6640
6641 /* Limited bit-rate */
6642 parameters->cp_disto_alloc = 1;
6643 if (parameters->max_cs_size <= 0) {
6644 /* No rate has been introduced, 24 fps is assumed */
6645 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6646 opj_event_msg(p_manager, EVT_WARNING,
6647 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6648 "Maximum 1302083 compressed bytes @ 24fps\n"
6649 "As no rate has been given, this limit will be used.\n");
6650 } else if (parameters->max_cs_size > OPJ_CINEMA_24_CS) {
6651 opj_event_msg(p_manager, EVT_WARNING,
6652 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6653 "Maximum 1302083 compressed bytes @ 24fps\n"
6654 "-> Specified rate exceeds this limit. Rate will be forced to 1302083 bytes.\n");
6655 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6656 }
6657
6658 if (parameters->max_comp_size <= 0) {
6659 /* No rate has been introduced, 24 fps is assumed */
6660 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6661 opj_event_msg(p_manager, EVT_WARNING,
6662 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6663 "Maximum 1041666 compressed bytes @ 24fps\n"
6664 "As no rate has been given, this limit will be used.\n");
6665 } else if (parameters->max_comp_size > OPJ_CINEMA_24_COMP) {
6666 opj_event_msg(p_manager, EVT_WARNING,
6667 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6668 "Maximum 1041666 compressed bytes @ 24fps\n"
6669 "-> Specified rate exceeds this limit. Rate will be forced to 1041666 bytes.\n");
6670 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6671 }
6672
6673 parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
6674 image->comps[0].h * image->comps[0].prec) /
6675 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
6676 image->comps[0].dy);
6677
6678 }
6679
opj_j2k_is_cinema_compliant(opj_image_t * image,OPJ_UINT16 rsiz,opj_event_mgr_t * p_manager)6680 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
6681 opj_event_mgr_t *p_manager)
6682 {
6683 OPJ_UINT32 i;
6684
6685 /* Number of components */
6686 if (image->numcomps != 3) {
6687 opj_event_msg(p_manager, EVT_WARNING,
6688 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6689 "3 components"
6690 "-> Number of components of input image (%d) is not compliant\n"
6691 "-> Non-profile-3 codestream will be generated\n",
6692 image->numcomps);
6693 return OPJ_FALSE;
6694 }
6695
6696 /* Bitdepth */
6697 for (i = 0; i < image->numcomps; i++) {
6698 if ((image->comps[i].bpp != 12) | (image->comps[i].sgnd)) {
6699 char signed_str[] = "signed";
6700 char unsigned_str[] = "unsigned";
6701 char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
6702 opj_event_msg(p_manager, EVT_WARNING,
6703 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6704 "Precision of each component shall be 12 bits unsigned"
6705 "-> At least component %d of input image (%d bits, %s) is not compliant\n"
6706 "-> Non-profile-3 codestream will be generated\n",
6707 i, image->comps[i].bpp, tmp_str);
6708 return OPJ_FALSE;
6709 }
6710 }
6711
6712 /* Image size */
6713 switch (rsiz) {
6714 case OPJ_PROFILE_CINEMA_2K:
6715 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1080))) {
6716 opj_event_msg(p_manager, EVT_WARNING,
6717 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6718 "width <= 2048 and height <= 1080\n"
6719 "-> Input image size %d x %d is not compliant\n"
6720 "-> Non-profile-3 codestream will be generated\n",
6721 image->comps[0].w, image->comps[0].h);
6722 return OPJ_FALSE;
6723 }
6724 break;
6725 case OPJ_PROFILE_CINEMA_4K:
6726 if (((image->comps[0].w > 4096) | (image->comps[0].h > 2160))) {
6727 opj_event_msg(p_manager, EVT_WARNING,
6728 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6729 "width <= 4096 and height <= 2160\n"
6730 "-> Image size %d x %d is not compliant\n"
6731 "-> Non-profile-4 codestream will be generated\n",
6732 image->comps[0].w, image->comps[0].h);
6733 return OPJ_FALSE;
6734 }
6735 break;
6736 default :
6737 break;
6738 }
6739
6740 return OPJ_TRUE;
6741 }
6742
opj_j2k_setup_encoder(opj_j2k_t * p_j2k,opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)6743 OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
6744 opj_cparameters_t *parameters,
6745 opj_image_t *image,
6746 opj_event_mgr_t * p_manager)
6747 {
6748 OPJ_UINT32 i, j, tileno, numpocs_tile;
6749 opj_cp_t *cp = 00;
6750 OPJ_UINT32 cblkw, cblkh;
6751
6752 if (!p_j2k || !parameters || ! image) {
6753 return OPJ_FALSE;
6754 }
6755
6756 if ((parameters->numresolution <= 0) ||
6757 (parameters->numresolution > OPJ_J2K_MAXRLVLS)) {
6758 opj_event_msg(p_manager, EVT_ERROR,
6759 "Invalid number of resolutions : %d not in range [1,%d]\n",
6760 parameters->numresolution, OPJ_J2K_MAXRLVLS);
6761 return OPJ_FALSE;
6762 }
6763
6764 if (parameters->cblockw_init < 4 || parameters->cblockw_init > 1024) {
6765 opj_event_msg(p_manager, EVT_ERROR,
6766 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
6767 parameters->cblockw_init);
6768 return OPJ_FALSE;
6769 }
6770 if (parameters->cblockh_init < 4 || parameters->cblockh_init > 1024) {
6771 opj_event_msg(p_manager, EVT_ERROR,
6772 "Invalid value for cblockh_init: %d not a power of 2 not in range [4,1024]\n",
6773 parameters->cblockh_init);
6774 return OPJ_FALSE;
6775 }
6776 if (parameters->cblockw_init * parameters->cblockh_init > 4096) {
6777 opj_event_msg(p_manager, EVT_ERROR,
6778 "Invalid value for cblockw_init * cblockh_init: should be <= 4096\n");
6779 return OPJ_FALSE;
6780 }
6781 cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
6782 cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
6783 if (parameters->cblockw_init != (1 << cblkw)) {
6784 opj_event_msg(p_manager, EVT_ERROR,
6785 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
6786 parameters->cblockw_init);
6787 return OPJ_FALSE;
6788 }
6789 if (parameters->cblockh_init != (1 << cblkh)) {
6790 opj_event_msg(p_manager, EVT_ERROR,
6791 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
6792 parameters->cblockh_init);
6793 return OPJ_FALSE;
6794 }
6795
6796 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
6797 cp = &(p_j2k->m_cp);
6798
6799 /* set default values for cp */
6800 cp->tw = 1;
6801 cp->th = 1;
6802
6803 /* FIXME ADE: to be removed once deprecated cp_cinema and cp_rsiz have been removed */
6804 if (parameters->rsiz ==
6805 OPJ_PROFILE_NONE) { /* consider deprecated fields only if RSIZ has not been set */
6806 OPJ_BOOL deprecated_used = OPJ_FALSE;
6807 switch (parameters->cp_cinema) {
6808 case OPJ_CINEMA2K_24:
6809 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
6810 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6811 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6812 deprecated_used = OPJ_TRUE;
6813 break;
6814 case OPJ_CINEMA2K_48:
6815 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
6816 parameters->max_cs_size = OPJ_CINEMA_48_CS;
6817 parameters->max_comp_size = OPJ_CINEMA_48_COMP;
6818 deprecated_used = OPJ_TRUE;
6819 break;
6820 case OPJ_CINEMA4K_24:
6821 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
6822 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6823 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6824 deprecated_used = OPJ_TRUE;
6825 break;
6826 case OPJ_OFF:
6827 default:
6828 break;
6829 }
6830 switch (parameters->cp_rsiz) {
6831 case OPJ_CINEMA2K:
6832 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
6833 deprecated_used = OPJ_TRUE;
6834 break;
6835 case OPJ_CINEMA4K:
6836 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
6837 deprecated_used = OPJ_TRUE;
6838 break;
6839 case OPJ_MCT:
6840 parameters->rsiz = OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT;
6841 deprecated_used = OPJ_TRUE;
6842 case OPJ_STD_RSIZ:
6843 default:
6844 break;
6845 }
6846 if (deprecated_used) {
6847 opj_event_msg(p_manager, EVT_WARNING,
6848 "Deprecated fields cp_cinema or cp_rsiz are used\n"
6849 "Please consider using only the rsiz field\n"
6850 "See openjpeg.h documentation for more details\n");
6851 }
6852 }
6853
6854 /* If no explicit layers are provided, use lossless settings */
6855 if (parameters->tcp_numlayers == 0) {
6856 parameters->tcp_numlayers = 1;
6857 parameters->cp_disto_alloc = 1;
6858 parameters->tcp_rates[0] = 0;
6859 }
6860
6861 if (parameters->cp_disto_alloc) {
6862 /* Emit warnings if tcp_rates are not decreasing */
6863 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
6864 OPJ_FLOAT32 rate_i_corr = parameters->tcp_rates[i];
6865 OPJ_FLOAT32 rate_i_m_1_corr = parameters->tcp_rates[i - 1];
6866 if (rate_i_corr <= 1.0) {
6867 rate_i_corr = 1.0;
6868 }
6869 if (rate_i_m_1_corr <= 1.0) {
6870 rate_i_m_1_corr = 1.0;
6871 }
6872 if (rate_i_corr >= rate_i_m_1_corr) {
6873 if (rate_i_corr != parameters->tcp_rates[i] &&
6874 rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
6875 opj_event_msg(p_manager, EVT_WARNING,
6876 "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
6877 "than tcp_rates[%d]=%f (corrected as %f)\n",
6878 i, parameters->tcp_rates[i], rate_i_corr,
6879 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
6880 } else if (rate_i_corr != parameters->tcp_rates[i]) {
6881 opj_event_msg(p_manager, EVT_WARNING,
6882 "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
6883 "than tcp_rates[%d]=%f\n",
6884 i, parameters->tcp_rates[i], rate_i_corr,
6885 i - 1, parameters->tcp_rates[i - 1]);
6886 } else if (rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
6887 opj_event_msg(p_manager, EVT_WARNING,
6888 "tcp_rates[%d]=%f should be strictly lesser "
6889 "than tcp_rates[%d]=%f (corrected as %f)\n",
6890 i, parameters->tcp_rates[i],
6891 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
6892 } else {
6893 opj_event_msg(p_manager, EVT_WARNING,
6894 "tcp_rates[%d]=%f should be strictly lesser "
6895 "than tcp_rates[%d]=%f\n",
6896 i, parameters->tcp_rates[i],
6897 i - 1, parameters->tcp_rates[i - 1]);
6898 }
6899 }
6900 }
6901 } else if (parameters->cp_fixed_quality) {
6902 /* Emit warnings if tcp_distoratio are not increasing */
6903 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
6904 if (parameters->tcp_distoratio[i] < parameters->tcp_distoratio[i - 1] &&
6905 !(i == (OPJ_UINT32)parameters->tcp_numlayers - 1 &&
6906 parameters->tcp_distoratio[i] == 0)) {
6907 opj_event_msg(p_manager, EVT_WARNING,
6908 "tcp_distoratio[%d]=%f should be strictly greater "
6909 "than tcp_distoratio[%d]=%f\n",
6910 i, parameters->tcp_distoratio[i], i - 1,
6911 parameters->tcp_distoratio[i - 1]);
6912 }
6913 }
6914 }
6915
6916 /* see if max_codestream_size does limit input rate */
6917 if (parameters->max_cs_size <= 0) {
6918 if (parameters->tcp_rates[parameters->tcp_numlayers - 1] > 0) {
6919 OPJ_FLOAT32 temp_size;
6920 temp_size = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
6921 image->comps[0].h * image->comps[0].prec) /
6922 ((double)parameters->tcp_rates[parameters->tcp_numlayers - 1] * 8 *
6923 image->comps[0].dx * image->comps[0].dy));
6924 if (temp_size > INT_MAX) {
6925 parameters->max_cs_size = INT_MAX;
6926 } else {
6927 parameters->max_cs_size = (int) floor(temp_size);
6928 }
6929 } else {
6930 parameters->max_cs_size = 0;
6931 }
6932 } else {
6933 OPJ_FLOAT32 temp_rate;
6934 OPJ_BOOL cap = OPJ_FALSE;
6935 temp_rate = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
6936 image->comps[0].h * image->comps[0].prec) /
6937 (((double)parameters->max_cs_size) * 8 * image->comps[0].dx *
6938 image->comps[0].dy));
6939 for (i = 0; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
6940 if (parameters->tcp_rates[i] < temp_rate) {
6941 parameters->tcp_rates[i] = temp_rate;
6942 cap = OPJ_TRUE;
6943 }
6944 }
6945 if (cap) {
6946 opj_event_msg(p_manager, EVT_WARNING,
6947 "The desired maximum codestream size has limited\n"
6948 "at least one of the desired quality layers\n");
6949 }
6950 }
6951
6952 /* Manage profiles and applications and set RSIZ */
6953 /* set cinema parameters if required */
6954 if (OPJ_IS_CINEMA(parameters->rsiz)) {
6955 if ((parameters->rsiz == OPJ_PROFILE_CINEMA_S2K)
6956 || (parameters->rsiz == OPJ_PROFILE_CINEMA_S4K)) {
6957 opj_event_msg(p_manager, EVT_WARNING,
6958 "JPEG 2000 Scalable Digital Cinema profiles not yet supported\n");
6959 parameters->rsiz = OPJ_PROFILE_NONE;
6960 } else {
6961 opj_j2k_set_cinema_parameters(parameters, image, p_manager);
6962 if (!opj_j2k_is_cinema_compliant(image, parameters->rsiz, p_manager)) {
6963 parameters->rsiz = OPJ_PROFILE_NONE;
6964 }
6965 }
6966 } else if (OPJ_IS_STORAGE(parameters->rsiz)) {
6967 opj_event_msg(p_manager, EVT_WARNING,
6968 "JPEG 2000 Long Term Storage profile not yet supported\n");
6969 parameters->rsiz = OPJ_PROFILE_NONE;
6970 } else if (OPJ_IS_BROADCAST(parameters->rsiz)) {
6971 opj_event_msg(p_manager, EVT_WARNING,
6972 "JPEG 2000 Broadcast profiles not yet supported\n");
6973 parameters->rsiz = OPJ_PROFILE_NONE;
6974 } else if (OPJ_IS_IMF(parameters->rsiz)) {
6975 opj_event_msg(p_manager, EVT_WARNING,
6976 "JPEG 2000 IMF profiles not yet supported\n");
6977 parameters->rsiz = OPJ_PROFILE_NONE;
6978 } else if (OPJ_IS_PART2(parameters->rsiz)) {
6979 if (parameters->rsiz == ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_NONE))) {
6980 opj_event_msg(p_manager, EVT_WARNING,
6981 "JPEG 2000 Part-2 profile defined\n"
6982 "but no Part-2 extension enabled.\n"
6983 "Profile set to NONE.\n");
6984 parameters->rsiz = OPJ_PROFILE_NONE;
6985 } else if (parameters->rsiz != ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT))) {
6986 opj_event_msg(p_manager, EVT_WARNING,
6987 "Unsupported Part-2 extension enabled\n"
6988 "Profile set to NONE.\n");
6989 parameters->rsiz = OPJ_PROFILE_NONE;
6990 }
6991 }
6992
6993 /*
6994 copy user encoding parameters
6995 */
6996 cp->m_specific_param.m_enc.m_max_comp_size = (OPJ_UINT32)
6997 parameters->max_comp_size;
6998 cp->rsiz = parameters->rsiz;
6999 cp->m_specific_param.m_enc.m_disto_alloc = (OPJ_UINT32)
7000 parameters->cp_disto_alloc & 1u;
7001 cp->m_specific_param.m_enc.m_fixed_alloc = (OPJ_UINT32)
7002 parameters->cp_fixed_alloc & 1u;
7003 cp->m_specific_param.m_enc.m_fixed_quality = (OPJ_UINT32)
7004 parameters->cp_fixed_quality & 1u;
7005
7006 /* mod fixed_quality */
7007 if (parameters->cp_fixed_alloc && parameters->cp_matrice) {
7008 size_t array_size = (size_t)parameters->tcp_numlayers *
7009 (size_t)parameters->numresolution * 3 * sizeof(OPJ_INT32);
7010 cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size);
7011 if (!cp->m_specific_param.m_enc.m_matrice) {
7012 opj_event_msg(p_manager, EVT_ERROR,
7013 "Not enough memory to allocate copy of user encoding parameters matrix \n");
7014 return OPJ_FALSE;
7015 }
7016 memcpy(cp->m_specific_param.m_enc.m_matrice, parameters->cp_matrice,
7017 array_size);
7018 }
7019
7020 /* tiles */
7021 cp->tdx = (OPJ_UINT32)parameters->cp_tdx;
7022 cp->tdy = (OPJ_UINT32)parameters->cp_tdy;
7023
7024 /* tile offset */
7025 cp->tx0 = (OPJ_UINT32)parameters->cp_tx0;
7026 cp->ty0 = (OPJ_UINT32)parameters->cp_ty0;
7027
7028 /* comment string */
7029 if (parameters->cp_comment) {
7030 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1U);
7031 if (!cp->comment) {
7032 opj_event_msg(p_manager, EVT_ERROR,
7033 "Not enough memory to allocate copy of comment string\n");
7034 return OPJ_FALSE;
7035 }
7036 strcpy(cp->comment, parameters->cp_comment);
7037 } else {
7038 /* Create default comment for codestream */
7039 const char comment[] = "Created by OpenJPEG version ";
7040 const size_t clen = strlen(comment);
7041 const char *version = opj_version();
7042
7043 /* UniPG>> */
7044 #ifdef USE_JPWL
7045 cp->comment = (char*)opj_malloc(clen + strlen(version) + 11);
7046 if (!cp->comment) {
7047 opj_event_msg(p_manager, EVT_ERROR,
7048 "Not enough memory to allocate comment string\n");
7049 return OPJ_FALSE;
7050 }
7051 sprintf(cp->comment, "%s%s with JPWL", comment, version);
7052 #else
7053 cp->comment = (char*)opj_malloc(clen + strlen(version) + 1);
7054 if (!cp->comment) {
7055 opj_event_msg(p_manager, EVT_ERROR,
7056 "Not enough memory to allocate comment string\n");
7057 return OPJ_FALSE;
7058 }
7059 sprintf(cp->comment, "%s%s", comment, version);
7060 #endif
7061 /* <<UniPG */
7062 }
7063
7064 /*
7065 calculate other encoding parameters
7066 */
7067
7068 if (parameters->tile_size_on) {
7069 cp->tw = opj_uint_ceildiv(image->x1 - cp->tx0, cp->tdx);
7070 cp->th = opj_uint_ceildiv(image->y1 - cp->ty0, cp->tdy);
7071 } else {
7072 cp->tdx = image->x1 - cp->tx0;
7073 cp->tdy = image->y1 - cp->ty0;
7074 }
7075
7076 if (parameters->tp_on) {
7077 cp->m_specific_param.m_enc.m_tp_flag = (OPJ_BYTE)parameters->tp_flag;
7078 cp->m_specific_param.m_enc.m_tp_on = 1;
7079 }
7080
7081 #ifdef USE_JPWL
7082 /*
7083 calculate JPWL encoding parameters
7084 */
7085
7086 if (parameters->jpwl_epc_on) {
7087 OPJ_INT32 i;
7088
7089 /* set JPWL on */
7090 cp->epc_on = OPJ_TRUE;
7091 cp->info_on = OPJ_FALSE; /* no informative technique */
7092
7093 /* set EPB on */
7094 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
7095 cp->epb_on = OPJ_TRUE;
7096
7097 cp->hprot_MH = parameters->jpwl_hprot_MH;
7098 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
7099 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
7100 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
7101 }
7102 /* if tile specs are not specified, copy MH specs */
7103 if (cp->hprot_TPH[0] == -1) {
7104 cp->hprot_TPH_tileno[0] = 0;
7105 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
7106 }
7107 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
7108 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
7109 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
7110 cp->pprot[i] = parameters->jpwl_pprot[i];
7111 }
7112 }
7113
7114 /* set ESD writing */
7115 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
7116 cp->esd_on = OPJ_TRUE;
7117
7118 cp->sens_size = parameters->jpwl_sens_size;
7119 cp->sens_addr = parameters->jpwl_sens_addr;
7120 cp->sens_range = parameters->jpwl_sens_range;
7121
7122 cp->sens_MH = parameters->jpwl_sens_MH;
7123 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
7124 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
7125 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
7126 }
7127 }
7128
7129 /* always set RED writing to false: we are at the encoder */
7130 cp->red_on = OPJ_FALSE;
7131
7132 } else {
7133 cp->epc_on = OPJ_FALSE;
7134 }
7135 #endif /* USE_JPWL */
7136
7137 /* initialize the mutiple tiles */
7138 /* ---------------------------- */
7139 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
7140 if (!cp->tcps) {
7141 opj_event_msg(p_manager, EVT_ERROR,
7142 "Not enough memory to allocate tile coding parameters\n");
7143 return OPJ_FALSE;
7144 }
7145 if (parameters->numpocs) {
7146 /* initialisation of POC */
7147 opj_j2k_check_poc_val(parameters->POC, parameters->numpocs,
7148 (OPJ_UINT32)parameters->numresolution, image->numcomps,
7149 (OPJ_UINT32)parameters->tcp_numlayers, p_manager);
7150 /* TODO MSD use the return value*/
7151 }
7152
7153 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
7154 opj_tcp_t *tcp = &cp->tcps[tileno];
7155 tcp->numlayers = (OPJ_UINT32)parameters->tcp_numlayers;
7156
7157 for (j = 0; j < tcp->numlayers; j++) {
7158 if (OPJ_IS_CINEMA(cp->rsiz)) {
7159 if (cp->m_specific_param.m_enc.m_fixed_quality) {
7160 tcp->distoratio[j] = parameters->tcp_distoratio[j];
7161 }
7162 tcp->rates[j] = parameters->tcp_rates[j];
7163 } else {
7164 if (cp->m_specific_param.m_enc.m_fixed_quality) { /* add fixed_quality */
7165 tcp->distoratio[j] = parameters->tcp_distoratio[j];
7166 } else {
7167 tcp->rates[j] = parameters->tcp_rates[j];
7168 }
7169 }
7170 if (!cp->m_specific_param.m_enc.m_fixed_quality &&
7171 tcp->rates[j] <= 1.0) {
7172 tcp->rates[j] = 0.0; /* force lossless */
7173 }
7174 }
7175
7176 tcp->csty = (OPJ_UINT32)parameters->csty;
7177 tcp->prg = parameters->prog_order;
7178 tcp->mct = (OPJ_UINT32)parameters->tcp_mct;
7179
7180 numpocs_tile = 0;
7181 tcp->POC = 0;
7182
7183 if (parameters->numpocs) {
7184 /* initialisation of POC */
7185 tcp->POC = 1;
7186 for (i = 0; i < parameters->numpocs; i++) {
7187 if (tileno + 1 == parameters->POC[i].tile) {
7188 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
7189
7190 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
7191 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
7192 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
7193 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
7194 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
7195 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
7196 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
7197
7198 numpocs_tile++;
7199 }
7200 }
7201
7202 tcp->numpocs = numpocs_tile - 1 ;
7203 } else {
7204 tcp->numpocs = 0;
7205 }
7206
7207 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
7208 if (!tcp->tccps) {
7209 opj_event_msg(p_manager, EVT_ERROR,
7210 "Not enough memory to allocate tile component coding parameters\n");
7211 return OPJ_FALSE;
7212 }
7213 if (parameters->mct_data) {
7214
7215 OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * (OPJ_UINT32)sizeof(
7216 OPJ_FLOAT32);
7217 OPJ_FLOAT32 * lTmpBuf = (OPJ_FLOAT32*)opj_malloc(lMctSize);
7218 OPJ_INT32 * l_dc_shift = (OPJ_INT32 *)((OPJ_BYTE *) parameters->mct_data +
7219 lMctSize);
7220
7221 if (!lTmpBuf) {
7222 opj_event_msg(p_manager, EVT_ERROR,
7223 "Not enough memory to allocate temp buffer\n");
7224 return OPJ_FALSE;
7225 }
7226
7227 tcp->mct = 2;
7228 tcp->m_mct_coding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
7229 if (! tcp->m_mct_coding_matrix) {
7230 opj_free(lTmpBuf);
7231 lTmpBuf = NULL;
7232 opj_event_msg(p_manager, EVT_ERROR,
7233 "Not enough memory to allocate encoder MCT coding matrix \n");
7234 return OPJ_FALSE;
7235 }
7236 memcpy(tcp->m_mct_coding_matrix, parameters->mct_data, lMctSize);
7237 memcpy(lTmpBuf, parameters->mct_data, lMctSize);
7238
7239 tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
7240 if (! tcp->m_mct_decoding_matrix) {
7241 opj_free(lTmpBuf);
7242 lTmpBuf = NULL;
7243 opj_event_msg(p_manager, EVT_ERROR,
7244 "Not enough memory to allocate encoder MCT decoding matrix \n");
7245 return OPJ_FALSE;
7246 }
7247 if (opj_matrix_inversion_f(lTmpBuf, (tcp->m_mct_decoding_matrix),
7248 image->numcomps) == OPJ_FALSE) {
7249 opj_free(lTmpBuf);
7250 lTmpBuf = NULL;
7251 opj_event_msg(p_manager, EVT_ERROR,
7252 "Failed to inverse encoder MCT decoding matrix \n");
7253 return OPJ_FALSE;
7254 }
7255
7256 tcp->mct_norms = (OPJ_FLOAT64*)
7257 opj_malloc(image->numcomps * sizeof(OPJ_FLOAT64));
7258 if (! tcp->mct_norms) {
7259 opj_free(lTmpBuf);
7260 lTmpBuf = NULL;
7261 opj_event_msg(p_manager, EVT_ERROR,
7262 "Not enough memory to allocate encoder MCT norms \n");
7263 return OPJ_FALSE;
7264 }
7265 opj_calculate_norms(tcp->mct_norms, image->numcomps,
7266 tcp->m_mct_decoding_matrix);
7267 opj_free(lTmpBuf);
7268
7269 for (i = 0; i < image->numcomps; i++) {
7270 opj_tccp_t *tccp = &tcp->tccps[i];
7271 tccp->m_dc_level_shift = l_dc_shift[i];
7272 }
7273
7274 if (opj_j2k_setup_mct_encoding(tcp, image) == OPJ_FALSE) {
7275 /* free will be handled by opj_j2k_destroy */
7276 opj_event_msg(p_manager, EVT_ERROR, "Failed to setup j2k mct encoding\n");
7277 return OPJ_FALSE;
7278 }
7279 } else {
7280 if (tcp->mct == 1 && image->numcomps >= 3) { /* RGB->YCC MCT is enabled */
7281 if ((image->comps[0].dx != image->comps[1].dx) ||
7282 (image->comps[0].dx != image->comps[2].dx) ||
7283 (image->comps[0].dy != image->comps[1].dy) ||
7284 (image->comps[0].dy != image->comps[2].dy)) {
7285 opj_event_msg(p_manager, EVT_WARNING,
7286 "Cannot perform MCT on components with different sizes. Disabling MCT.\n");
7287 tcp->mct = 0;
7288 }
7289 }
7290 for (i = 0; i < image->numcomps; i++) {
7291 opj_tccp_t *tccp = &tcp->tccps[i];
7292 opj_image_comp_t * l_comp = &(image->comps[i]);
7293
7294 if (! l_comp->sgnd) {
7295 tccp->m_dc_level_shift = 1 << (l_comp->prec - 1);
7296 }
7297 }
7298 }
7299
7300 for (i = 0; i < image->numcomps; i++) {
7301 opj_tccp_t *tccp = &tcp->tccps[i];
7302
7303 tccp->csty = parameters->csty &
7304 0x01; /* 0 => one precinct || 1 => custom precinct */
7305 tccp->numresolutions = (OPJ_UINT32)parameters->numresolution;
7306 tccp->cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
7307 tccp->cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
7308 tccp->cblksty = (OPJ_UINT32)parameters->mode;
7309 tccp->qmfbid = parameters->irreversible ? 0 : 1;
7310 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT :
7311 J2K_CCP_QNTSTY_NOQNT;
7312 tccp->numgbits = 2;
7313
7314 if ((OPJ_INT32)i == parameters->roi_compno) {
7315 tccp->roishift = parameters->roi_shift;
7316 } else {
7317 tccp->roishift = 0;
7318 }
7319
7320 if (parameters->csty & J2K_CCP_CSTY_PRT) {
7321 OPJ_INT32 p = 0, it_res;
7322 assert(tccp->numresolutions > 0);
7323 for (it_res = (OPJ_INT32)tccp->numresolutions - 1; it_res >= 0; it_res--) {
7324 if (p < parameters->res_spec) {
7325
7326 if (parameters->prcw_init[p] < 1) {
7327 tccp->prcw[it_res] = 1;
7328 } else {
7329 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prcw_init[p]);
7330 }
7331
7332 if (parameters->prch_init[p] < 1) {
7333 tccp->prch[it_res] = 1;
7334 } else {
7335 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prch_init[p]);
7336 }
7337
7338 } else {
7339 OPJ_INT32 res_spec = parameters->res_spec;
7340 OPJ_INT32 size_prcw = 0;
7341 OPJ_INT32 size_prch = 0;
7342
7343 assert(res_spec > 0); /* issue 189 */
7344 size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
7345 size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
7346
7347
7348 if (size_prcw < 1) {
7349 tccp->prcw[it_res] = 1;
7350 } else {
7351 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prcw);
7352 }
7353
7354 if (size_prch < 1) {
7355 tccp->prch[it_res] = 1;
7356 } else {
7357 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prch);
7358 }
7359 }
7360 p++;
7361 /*printf("\nsize precinct for level %d : %d,%d\n", it_res,tccp->prcw[it_res], tccp->prch[it_res]); */
7362 } /*end for*/
7363 } else {
7364 for (j = 0; j < tccp->numresolutions; j++) {
7365 tccp->prcw[j] = 15;
7366 tccp->prch[j] = 15;
7367 }
7368 }
7369
7370 opj_dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
7371 }
7372 }
7373
7374 if (parameters->mct_data) {
7375 opj_free(parameters->mct_data);
7376 parameters->mct_data = 00;
7377 }
7378 return OPJ_TRUE;
7379 }
7380
opj_j2k_add_mhmarker(opj_codestream_index_t * cstr_index,OPJ_UINT32 type,OPJ_OFF_T pos,OPJ_UINT32 len)7381 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
7382 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
7383 {
7384 assert(cstr_index != 00);
7385
7386 /* expand the list? */
7387 if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) {
7388 opj_marker_info_t *new_marker;
7389 cstr_index->maxmarknum = (OPJ_UINT32)(100 + (OPJ_FLOAT32)
7390 cstr_index->maxmarknum);
7391 new_marker = (opj_marker_info_t *) opj_realloc(cstr_index->marker,
7392 cstr_index->maxmarknum * sizeof(opj_marker_info_t));
7393 if (! new_marker) {
7394 opj_free(cstr_index->marker);
7395 cstr_index->marker = NULL;
7396 cstr_index->maxmarknum = 0;
7397 cstr_index->marknum = 0;
7398 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); */
7399 return OPJ_FALSE;
7400 }
7401 cstr_index->marker = new_marker;
7402 }
7403
7404 /* add the marker */
7405 cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type;
7406 cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos;
7407 cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len;
7408 cstr_index->marknum++;
7409 return OPJ_TRUE;
7410 }
7411
opj_j2k_add_tlmarker(OPJ_UINT32 tileno,opj_codestream_index_t * cstr_index,OPJ_UINT32 type,OPJ_OFF_T pos,OPJ_UINT32 len)7412 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
7413 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
7414 OPJ_UINT32 len)
7415 {
7416 assert(cstr_index != 00);
7417 assert(cstr_index->tile_index != 00);
7418
7419 /* expand the list? */
7420 if ((cstr_index->tile_index[tileno].marknum + 1) >
7421 cstr_index->tile_index[tileno].maxmarknum) {
7422 opj_marker_info_t *new_marker;
7423 cstr_index->tile_index[tileno].maxmarknum = (OPJ_UINT32)(100 +
7424 (OPJ_FLOAT32) cstr_index->tile_index[tileno].maxmarknum);
7425 new_marker = (opj_marker_info_t *) opj_realloc(
7426 cstr_index->tile_index[tileno].marker,
7427 cstr_index->tile_index[tileno].maxmarknum * sizeof(opj_marker_info_t));
7428 if (! new_marker) {
7429 opj_free(cstr_index->tile_index[tileno].marker);
7430 cstr_index->tile_index[tileno].marker = NULL;
7431 cstr_index->tile_index[tileno].maxmarknum = 0;
7432 cstr_index->tile_index[tileno].marknum = 0;
7433 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n"); */
7434 return OPJ_FALSE;
7435 }
7436 cstr_index->tile_index[tileno].marker = new_marker;
7437 }
7438
7439 /* add the marker */
7440 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type
7441 = (OPJ_UINT16)type;
7442 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos
7443 = (OPJ_INT32)pos;
7444 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len
7445 = (OPJ_INT32)len;
7446 cstr_index->tile_index[tileno].marknum++;
7447
7448 if (type == J2K_MS_SOT) {
7449 OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
7450
7451 if (cstr_index->tile_index[tileno].tp_index) {
7452 cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
7453 }
7454
7455 }
7456 return OPJ_TRUE;
7457 }
7458
7459 /*
7460 * -----------------------------------------------------------------------
7461 * -----------------------------------------------------------------------
7462 * -----------------------------------------------------------------------
7463 */
7464
opj_j2k_end_decompress(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7465 OPJ_BOOL opj_j2k_end_decompress(opj_j2k_t *p_j2k,
7466 opj_stream_private_t *p_stream,
7467 opj_event_mgr_t * p_manager
7468 )
7469 {
7470 (void)p_j2k;
7471 (void)p_stream;
7472 (void)p_manager;
7473 return OPJ_TRUE;
7474 }
7475
opj_j2k_read_header(opj_stream_private_t * p_stream,opj_j2k_t * p_j2k,opj_image_t ** p_image,opj_event_mgr_t * p_manager)7476 OPJ_BOOL opj_j2k_read_header(opj_stream_private_t *p_stream,
7477 opj_j2k_t* p_j2k,
7478 opj_image_t** p_image,
7479 opj_event_mgr_t* p_manager)
7480 {
7481 /* preconditions */
7482 assert(p_j2k != 00);
7483 assert(p_stream != 00);
7484 assert(p_manager != 00);
7485
7486 /* create an empty image header */
7487 p_j2k->m_private_image = opj_image_create0();
7488 if (! p_j2k->m_private_image) {
7489 return OPJ_FALSE;
7490 }
7491
7492 /* customization of the validation */
7493 if (! opj_j2k_setup_decoding_validation(p_j2k, p_manager)) {
7494 opj_image_destroy(p_j2k->m_private_image);
7495 p_j2k->m_private_image = NULL;
7496 return OPJ_FALSE;
7497 }
7498
7499 /* validation of the parameters codec */
7500 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
7501 opj_image_destroy(p_j2k->m_private_image);
7502 p_j2k->m_private_image = NULL;
7503 return OPJ_FALSE;
7504 }
7505
7506 /* customization of the encoding */
7507 if (! opj_j2k_setup_header_reading(p_j2k, p_manager)) {
7508 opj_image_destroy(p_j2k->m_private_image);
7509 p_j2k->m_private_image = NULL;
7510 return OPJ_FALSE;
7511 }
7512
7513 /* read header */
7514 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
7515 opj_image_destroy(p_j2k->m_private_image);
7516 p_j2k->m_private_image = NULL;
7517 return OPJ_FALSE;
7518 }
7519
7520 *p_image = opj_image_create0();
7521 if (!(*p_image)) {
7522 return OPJ_FALSE;
7523 }
7524
7525 /* Copy codestream image information to the output image */
7526 opj_copy_image_header(p_j2k->m_private_image, *p_image);
7527
7528 /*Allocate and initialize some elements of codestrem index*/
7529 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
7530 return OPJ_FALSE;
7531 }
7532
7533 return OPJ_TRUE;
7534 }
7535
opj_j2k_setup_header_reading(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)7536 static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
7537 opj_event_mgr_t * p_manager)
7538 {
7539 /* preconditions*/
7540 assert(p_j2k != 00);
7541 assert(p_manager != 00);
7542
7543 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
7544 (opj_procedure)opj_j2k_read_header_procedure, p_manager)) {
7545 return OPJ_FALSE;
7546 }
7547
7548 /* DEVELOPER CORNER, add your custom procedures */
7549 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
7550 (opj_procedure)opj_j2k_copy_default_tcp_and_create_tcd, p_manager)) {
7551 return OPJ_FALSE;
7552 }
7553
7554 return OPJ_TRUE;
7555 }
7556
opj_j2k_setup_decoding_validation(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)7557 static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
7558 opj_event_mgr_t * p_manager)
7559 {
7560 /* preconditions*/
7561 assert(p_j2k != 00);
7562 assert(p_manager != 00);
7563
7564 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
7565 (opj_procedure)opj_j2k_build_decoder, p_manager)) {
7566 return OPJ_FALSE;
7567 }
7568 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
7569 (opj_procedure)opj_j2k_decoding_validation, p_manager)) {
7570 return OPJ_FALSE;
7571 }
7572
7573 /* DEVELOPER CORNER, add your custom validation procedure */
7574 return OPJ_TRUE;
7575 }
7576
opj_j2k_mct_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7577 static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
7578 opj_stream_private_t *p_stream,
7579 opj_event_mgr_t * p_manager)
7580 {
7581 OPJ_BOOL l_is_valid = OPJ_TRUE;
7582 OPJ_UINT32 i, j;
7583
7584 /* preconditions */
7585 assert(p_j2k != 00);
7586 assert(p_stream != 00);
7587 assert(p_manager != 00);
7588
7589 OPJ_UNUSED(p_stream);
7590 OPJ_UNUSED(p_manager);
7591
7592 if ((p_j2k->m_cp.rsiz & 0x8200) == 0x8200) {
7593 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
7594 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
7595
7596 for (i = 0; i < l_nb_tiles; ++i) {
7597 if (l_tcp->mct == 2) {
7598 opj_tccp_t * l_tccp = l_tcp->tccps;
7599 l_is_valid &= (l_tcp->m_mct_coding_matrix != 00);
7600
7601 for (j = 0; j < p_j2k->m_private_image->numcomps; ++j) {
7602 l_is_valid &= !(l_tccp->qmfbid & 1);
7603 ++l_tccp;
7604 }
7605 }
7606 ++l_tcp;
7607 }
7608 }
7609
7610 return l_is_valid;
7611 }
7612
opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp,opj_image_t * p_image)7613 OPJ_BOOL opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp, opj_image_t * p_image)
7614 {
7615 OPJ_UINT32 i;
7616 OPJ_UINT32 l_indix = 1;
7617 opj_mct_data_t * l_mct_deco_data = 00, * l_mct_offset_data = 00;
7618 opj_simple_mcc_decorrelation_data_t * l_mcc_data;
7619 OPJ_UINT32 l_mct_size, l_nb_elem;
7620 OPJ_FLOAT32 * l_data, * l_current_data;
7621 opj_tccp_t * l_tccp;
7622
7623 /* preconditions */
7624 assert(p_tcp != 00);
7625
7626 if (p_tcp->mct != 2) {
7627 return OPJ_TRUE;
7628 }
7629
7630 if (p_tcp->m_mct_decoding_matrix) {
7631 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
7632 opj_mct_data_t *new_mct_records;
7633 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
7634
7635 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
7636 p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
7637 if (! new_mct_records) {
7638 opj_free(p_tcp->m_mct_records);
7639 p_tcp->m_mct_records = NULL;
7640 p_tcp->m_nb_max_mct_records = 0;
7641 p_tcp->m_nb_mct_records = 0;
7642 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
7643 return OPJ_FALSE;
7644 }
7645 p_tcp->m_mct_records = new_mct_records;
7646 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
7647
7648 memset(l_mct_deco_data, 0,
7649 (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
7650 opj_mct_data_t));
7651 }
7652 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
7653
7654 if (l_mct_deco_data->m_data) {
7655 opj_free(l_mct_deco_data->m_data);
7656 l_mct_deco_data->m_data = 00;
7657 }
7658
7659 l_mct_deco_data->m_index = l_indix++;
7660 l_mct_deco_data->m_array_type = MCT_TYPE_DECORRELATION;
7661 l_mct_deco_data->m_element_type = MCT_TYPE_FLOAT;
7662 l_nb_elem = p_image->numcomps * p_image->numcomps;
7663 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_deco_data->m_element_type];
7664 l_mct_deco_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
7665
7666 if (! l_mct_deco_data->m_data) {
7667 return OPJ_FALSE;
7668 }
7669
7670 j2k_mct_write_functions_from_float[l_mct_deco_data->m_element_type](
7671 p_tcp->m_mct_decoding_matrix, l_mct_deco_data->m_data, l_nb_elem);
7672
7673 l_mct_deco_data->m_data_size = l_mct_size;
7674 ++p_tcp->m_nb_mct_records;
7675 }
7676
7677 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
7678 opj_mct_data_t *new_mct_records;
7679 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
7680 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
7681 p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
7682 if (! new_mct_records) {
7683 opj_free(p_tcp->m_mct_records);
7684 p_tcp->m_mct_records = NULL;
7685 p_tcp->m_nb_max_mct_records = 0;
7686 p_tcp->m_nb_mct_records = 0;
7687 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
7688 return OPJ_FALSE;
7689 }
7690 p_tcp->m_mct_records = new_mct_records;
7691 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
7692
7693 memset(l_mct_offset_data, 0,
7694 (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
7695 opj_mct_data_t));
7696
7697 if (l_mct_deco_data) {
7698 l_mct_deco_data = l_mct_offset_data - 1;
7699 }
7700 }
7701
7702 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
7703
7704 if (l_mct_offset_data->m_data) {
7705 opj_free(l_mct_offset_data->m_data);
7706 l_mct_offset_data->m_data = 00;
7707 }
7708
7709 l_mct_offset_data->m_index = l_indix++;
7710 l_mct_offset_data->m_array_type = MCT_TYPE_OFFSET;
7711 l_mct_offset_data->m_element_type = MCT_TYPE_FLOAT;
7712 l_nb_elem = p_image->numcomps;
7713 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_offset_data->m_element_type];
7714 l_mct_offset_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
7715
7716 if (! l_mct_offset_data->m_data) {
7717 return OPJ_FALSE;
7718 }
7719
7720 l_data = (OPJ_FLOAT32*)opj_malloc(l_nb_elem * sizeof(OPJ_FLOAT32));
7721 if (! l_data) {
7722 opj_free(l_mct_offset_data->m_data);
7723 l_mct_offset_data->m_data = 00;
7724 return OPJ_FALSE;
7725 }
7726
7727 l_tccp = p_tcp->tccps;
7728 l_current_data = l_data;
7729
7730 for (i = 0; i < l_nb_elem; ++i) {
7731 *(l_current_data++) = (OPJ_FLOAT32)(l_tccp->m_dc_level_shift);
7732 ++l_tccp;
7733 }
7734
7735 j2k_mct_write_functions_from_float[l_mct_offset_data->m_element_type](l_data,
7736 l_mct_offset_data->m_data, l_nb_elem);
7737
7738 opj_free(l_data);
7739
7740 l_mct_offset_data->m_data_size = l_mct_size;
7741
7742 ++p_tcp->m_nb_mct_records;
7743
7744 if (p_tcp->m_nb_mcc_records == p_tcp->m_nb_max_mcc_records) {
7745 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
7746 p_tcp->m_nb_max_mcc_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
7747 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
7748 p_tcp->m_mcc_records, p_tcp->m_nb_max_mcc_records * sizeof(
7749 opj_simple_mcc_decorrelation_data_t));
7750 if (! new_mcc_records) {
7751 opj_free(p_tcp->m_mcc_records);
7752 p_tcp->m_mcc_records = NULL;
7753 p_tcp->m_nb_max_mcc_records = 0;
7754 p_tcp->m_nb_mcc_records = 0;
7755 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
7756 return OPJ_FALSE;
7757 }
7758 p_tcp->m_mcc_records = new_mcc_records;
7759 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
7760 memset(l_mcc_data, 0, (p_tcp->m_nb_max_mcc_records - p_tcp->m_nb_mcc_records) *
7761 sizeof(opj_simple_mcc_decorrelation_data_t));
7762
7763 }
7764
7765 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
7766 l_mcc_data->m_decorrelation_array = l_mct_deco_data;
7767 l_mcc_data->m_is_irreversible = 1;
7768 l_mcc_data->m_nb_comps = p_image->numcomps;
7769 l_mcc_data->m_index = l_indix++;
7770 l_mcc_data->m_offset_array = l_mct_offset_data;
7771 ++p_tcp->m_nb_mcc_records;
7772
7773 return OPJ_TRUE;
7774 }
7775
opj_j2k_build_decoder(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7776 static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
7777 opj_stream_private_t *p_stream,
7778 opj_event_mgr_t * p_manager)
7779 {
7780 /* add here initialization of cp
7781 copy paste of setup_decoder */
7782 (void)p_j2k;
7783 (void)p_stream;
7784 (void)p_manager;
7785 return OPJ_TRUE;
7786 }
7787
opj_j2k_build_encoder(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7788 static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
7789 opj_stream_private_t *p_stream,
7790 opj_event_mgr_t * p_manager)
7791 {
7792 /* add here initialization of cp
7793 copy paste of setup_encoder */
7794 (void)p_j2k;
7795 (void)p_stream;
7796 (void)p_manager;
7797 return OPJ_TRUE;
7798 }
7799
opj_j2k_encoding_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7800 static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
7801 opj_stream_private_t *p_stream,
7802 opj_event_mgr_t * p_manager)
7803 {
7804 OPJ_BOOL l_is_valid = OPJ_TRUE;
7805
7806 /* preconditions */
7807 assert(p_j2k != 00);
7808 assert(p_stream != 00);
7809 assert(p_manager != 00);
7810
7811 OPJ_UNUSED(p_stream);
7812
7813 /* STATE checking */
7814 /* make sure the state is at 0 */
7815 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NONE);
7816
7817 /* POINTER validation */
7818 /* make sure a p_j2k codec is present */
7819 l_is_valid &= (p_j2k->m_procedure_list != 00);
7820 /* make sure a validation list is present */
7821 l_is_valid &= (p_j2k->m_validation_list != 00);
7822
7823 /* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */
7824 /* 33 (32) would always fail the check below (if a cast to 64bits was done) */
7825 /* FIXME Shall we change OPJ_J2K_MAXRLVLS to 32 ? */
7826 if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) ||
7827 (p_j2k->m_cp.tcps->tccps->numresolutions > 32)) {
7828 opj_event_msg(p_manager, EVT_ERROR,
7829 "Number of resolutions is too high in comparison to the size of tiles\n");
7830 return OPJ_FALSE;
7831 }
7832
7833 if ((p_j2k->m_cp.tdx) < (OPJ_UINT32)(1 <<
7834 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
7835 opj_event_msg(p_manager, EVT_ERROR,
7836 "Number of resolutions is too high in comparison to the size of tiles\n");
7837 return OPJ_FALSE;
7838 }
7839
7840 if ((p_j2k->m_cp.tdy) < (OPJ_UINT32)(1 <<
7841 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
7842 opj_event_msg(p_manager, EVT_ERROR,
7843 "Number of resolutions is too high in comparison to the size of tiles\n");
7844 return OPJ_FALSE;
7845 }
7846
7847 /* PARAMETER VALIDATION */
7848 return l_is_valid;
7849 }
7850
opj_j2k_decoding_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7851 static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t *p_j2k,
7852 opj_stream_private_t *p_stream,
7853 opj_event_mgr_t * p_manager
7854 )
7855 {
7856 OPJ_BOOL l_is_valid = OPJ_TRUE;
7857
7858 /* preconditions*/
7859 assert(p_j2k != 00);
7860 assert(p_stream != 00);
7861 assert(p_manager != 00);
7862
7863 OPJ_UNUSED(p_stream);
7864 OPJ_UNUSED(p_manager);
7865
7866 /* STATE checking */
7867 /* make sure the state is at 0 */
7868 #ifdef TODO_MSD
7869 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
7870 #endif
7871 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000);
7872
7873 /* POINTER validation */
7874 /* make sure a p_j2k codec is present */
7875 /* make sure a procedure list is present */
7876 l_is_valid &= (p_j2k->m_procedure_list != 00);
7877 /* make sure a validation list is present */
7878 l_is_valid &= (p_j2k->m_validation_list != 00);
7879
7880 /* PARAMETER VALIDATION */
7881 return l_is_valid;
7882 }
7883
opj_j2k_read_header_procedure(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7884 static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
7885 opj_stream_private_t *p_stream,
7886 opj_event_mgr_t * p_manager)
7887 {
7888 OPJ_UINT32 l_current_marker;
7889 OPJ_UINT32 l_marker_size;
7890 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
7891 OPJ_BOOL l_has_siz = 0;
7892 OPJ_BOOL l_has_cod = 0;
7893 OPJ_BOOL l_has_qcd = 0;
7894
7895 /* preconditions */
7896 assert(p_stream != 00);
7897 assert(p_j2k != 00);
7898 assert(p_manager != 00);
7899
7900 /* We enter in the main header */
7901 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
7902
7903 /* Try to read the SOC marker, the codestream must begin with SOC marker */
7904 if (! opj_j2k_read_soc(p_j2k, p_stream, p_manager)) {
7905 opj_event_msg(p_manager, EVT_ERROR, "Expected a SOC marker \n");
7906 return OPJ_FALSE;
7907 }
7908
7909 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
7910 if (opj_stream_read_data(p_stream,
7911 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
7912 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7913 return OPJ_FALSE;
7914 }
7915
7916 /* Read 2 bytes as the new marker ID */
7917 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
7918 &l_current_marker, 2);
7919
7920 /* Try to read until the SOT is detected */
7921 while (l_current_marker != J2K_MS_SOT) {
7922
7923 /* Check if the current marker ID is valid */
7924 if (l_current_marker < 0xff00) {
7925 opj_event_msg(p_manager, EVT_ERROR,
7926 "A marker ID was expected (0xff--) instead of %.8x\n", l_current_marker);
7927 return OPJ_FALSE;
7928 }
7929
7930 /* Get the marker handler from the marker ID */
7931 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
7932
7933 /* Manage case where marker is unknown */
7934 if (l_marker_handler->id == J2K_MS_UNK) {
7935 if (! opj_j2k_read_unk(p_j2k, p_stream, &l_current_marker, p_manager)) {
7936 opj_event_msg(p_manager, EVT_ERROR,
7937 "Unknow marker have been detected and generated error.\n");
7938 return OPJ_FALSE;
7939 }
7940
7941 if (l_current_marker == J2K_MS_SOT) {
7942 break; /* SOT marker is detected main header is completely read */
7943 } else { /* Get the marker handler from the marker ID */
7944 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
7945 }
7946 }
7947
7948 if (l_marker_handler->id == J2K_MS_SIZ) {
7949 /* Mark required SIZ marker as found */
7950 l_has_siz = 1;
7951 }
7952 if (l_marker_handler->id == J2K_MS_COD) {
7953 /* Mark required COD marker as found */
7954 l_has_cod = 1;
7955 }
7956 if (l_marker_handler->id == J2K_MS_QCD) {
7957 /* Mark required QCD marker as found */
7958 l_has_qcd = 1;
7959 }
7960
7961 /* Check if the marker is known and if it is the right place to find it */
7962 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
7963 opj_event_msg(p_manager, EVT_ERROR,
7964 "Marker is not compliant with its position\n");
7965 return OPJ_FALSE;
7966 }
7967
7968 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
7969 if (opj_stream_read_data(p_stream,
7970 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
7971 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7972 return OPJ_FALSE;
7973 }
7974
7975 /* read 2 bytes as the marker size */
7976 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
7977 2);
7978 if (l_marker_size < 2) {
7979 opj_event_msg(p_manager, EVT_ERROR, "Invalid marker size\n");
7980 return OPJ_FALSE;
7981 }
7982 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
7983
7984 /* Check if the marker size is compatible with the header data size */
7985 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
7986 OPJ_BYTE *new_header_data = (OPJ_BYTE *) opj_realloc(
7987 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
7988 if (! new_header_data) {
7989 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
7990 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
7991 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
7992 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
7993 return OPJ_FALSE;
7994 }
7995 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
7996 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
7997 }
7998
7999 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
8000 if (opj_stream_read_data(p_stream,
8001 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
8002 p_manager) != l_marker_size) {
8003 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8004 return OPJ_FALSE;
8005 }
8006
8007 /* Read the marker segment with the correct marker handler */
8008 if (!(*(l_marker_handler->handler))(p_j2k,
8009 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
8010 opj_event_msg(p_manager, EVT_ERROR,
8011 "Marker handler function failed to read the marker segment\n");
8012 return OPJ_FALSE;
8013 }
8014
8015 /* Add the marker to the codestream index*/
8016 if (OPJ_FALSE == opj_j2k_add_mhmarker(
8017 p_j2k->cstr_index,
8018 l_marker_handler->id,
8019 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
8020 l_marker_size + 4)) {
8021 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
8022 return OPJ_FALSE;
8023 }
8024
8025 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8026 if (opj_stream_read_data(p_stream,
8027 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8028 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8029 return OPJ_FALSE;
8030 }
8031
8032 /* read 2 bytes as the new marker ID */
8033 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8034 &l_current_marker, 2);
8035 }
8036
8037 if (l_has_siz == 0) {
8038 opj_event_msg(p_manager, EVT_ERROR,
8039 "required SIZ marker not found in main header\n");
8040 return OPJ_FALSE;
8041 }
8042 if (l_has_cod == 0) {
8043 opj_event_msg(p_manager, EVT_ERROR,
8044 "required COD marker not found in main header\n");
8045 return OPJ_FALSE;
8046 }
8047 if (l_has_qcd == 0) {
8048 opj_event_msg(p_manager, EVT_ERROR,
8049 "required QCD marker not found in main header\n");
8050 return OPJ_FALSE;
8051 }
8052
8053 if (! opj_j2k_merge_ppm(&(p_j2k->m_cp), p_manager)) {
8054 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPM data\n");
8055 return OPJ_FALSE;
8056 }
8057
8058 opj_event_msg(p_manager, EVT_INFO, "Main header has been correctly decoded.\n");
8059
8060 /* Position of the last element if the main header */
8061 p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2;
8062
8063 /* Next step: read a tile-part header */
8064 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
8065
8066 return OPJ_TRUE;
8067 }
8068
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)8069 static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
8070 opj_procedure_list_t * p_procedure_list,
8071 opj_stream_private_t *p_stream,
8072 opj_event_mgr_t * p_manager)
8073 {
8074 OPJ_BOOL(** l_procedure)(opj_j2k_t *, opj_stream_private_t *,
8075 opj_event_mgr_t *) = 00;
8076 OPJ_BOOL l_result = OPJ_TRUE;
8077 OPJ_UINT32 l_nb_proc, i;
8078
8079 /* preconditions*/
8080 assert(p_procedure_list != 00);
8081 assert(p_j2k != 00);
8082 assert(p_stream != 00);
8083 assert(p_manager != 00);
8084
8085 l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
8086 l_procedure = (OPJ_BOOL(**)(opj_j2k_t *, opj_stream_private_t *,
8087 opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
8088
8089 for (i = 0; i < l_nb_proc; ++i) {
8090 l_result = l_result && ((*l_procedure)(p_j2k, p_stream, p_manager));
8091 ++l_procedure;
8092 }
8093
8094 /* and clear the procedure list at the end.*/
8095 opj_procedure_list_clear(p_procedure_list);
8096 return l_result;
8097 }
8098
8099 /* 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)8100 static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
8101 opj_stream_private_t *p_stream,
8102 opj_event_mgr_t * p_manager
8103 )
8104 {
8105 opj_tcp_t * l_tcp = 00;
8106 opj_tcp_t * l_default_tcp = 00;
8107 OPJ_UINT32 l_nb_tiles;
8108 OPJ_UINT32 i, j;
8109 opj_tccp_t *l_current_tccp = 00;
8110 OPJ_UINT32 l_tccp_size;
8111 OPJ_UINT32 l_mct_size;
8112 opj_image_t * l_image;
8113 OPJ_UINT32 l_mcc_records_size, l_mct_records_size;
8114 opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
8115 opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
8116 OPJ_UINT32 l_offset;
8117
8118 /* preconditions */
8119 assert(p_j2k != 00);
8120 assert(p_stream != 00);
8121 assert(p_manager != 00);
8122
8123 OPJ_UNUSED(p_stream);
8124
8125 l_image = p_j2k->m_private_image;
8126 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
8127 l_tcp = p_j2k->m_cp.tcps;
8128 l_tccp_size = l_image->numcomps * (OPJ_UINT32)sizeof(opj_tccp_t);
8129 l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
8130 l_mct_size = l_image->numcomps * l_image->numcomps * (OPJ_UINT32)sizeof(
8131 OPJ_FLOAT32);
8132
8133 /* For each tile */
8134 for (i = 0; i < l_nb_tiles; ++i) {
8135 /* keep the tile-compo coding parameters pointer of the current tile coding parameters*/
8136 l_current_tccp = l_tcp->tccps;
8137 /*Copy default coding parameters into the current tile coding parameters*/
8138 memcpy(l_tcp, l_default_tcp, sizeof(opj_tcp_t));
8139 /* Initialize some values of the current tile coding parameters*/
8140 l_tcp->cod = 0;
8141 l_tcp->ppt = 0;
8142 l_tcp->ppt_data = 00;
8143 l_tcp->m_current_tile_part_number = -1;
8144 /* Remove memory not owned by this tile in case of early error return. */
8145 l_tcp->m_mct_decoding_matrix = 00;
8146 l_tcp->m_nb_max_mct_records = 0;
8147 l_tcp->m_mct_records = 00;
8148 l_tcp->m_nb_max_mcc_records = 0;
8149 l_tcp->m_mcc_records = 00;
8150 /* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
8151 l_tcp->tccps = l_current_tccp;
8152
8153 /* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/
8154 if (l_default_tcp->m_mct_decoding_matrix) {
8155 l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
8156 if (! l_tcp->m_mct_decoding_matrix) {
8157 return OPJ_FALSE;
8158 }
8159 memcpy(l_tcp->m_mct_decoding_matrix, l_default_tcp->m_mct_decoding_matrix,
8160 l_mct_size);
8161 }
8162
8163 /* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/
8164 l_mct_records_size = l_default_tcp->m_nb_max_mct_records * (OPJ_UINT32)sizeof(
8165 opj_mct_data_t);
8166 l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(l_mct_records_size);
8167 if (! l_tcp->m_mct_records) {
8168 return OPJ_FALSE;
8169 }
8170 memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records, l_mct_records_size);
8171
8172 /* Copy the mct record data from dflt_tile_cp to the current tile*/
8173 l_src_mct_rec = l_default_tcp->m_mct_records;
8174 l_dest_mct_rec = l_tcp->m_mct_records;
8175
8176 for (j = 0; j < l_default_tcp->m_nb_mct_records; ++j) {
8177
8178 if (l_src_mct_rec->m_data) {
8179
8180 l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(l_src_mct_rec->m_data_size);
8181 if (! l_dest_mct_rec->m_data) {
8182 return OPJ_FALSE;
8183 }
8184 memcpy(l_dest_mct_rec->m_data, l_src_mct_rec->m_data,
8185 l_src_mct_rec->m_data_size);
8186 }
8187
8188 ++l_src_mct_rec;
8189 ++l_dest_mct_rec;
8190 /* Update with each pass to free exactly what has been allocated on early return. */
8191 l_tcp->m_nb_max_mct_records += 1;
8192 }
8193
8194 /* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
8195 l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * (OPJ_UINT32)sizeof(
8196 opj_simple_mcc_decorrelation_data_t);
8197 l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(
8198 l_mcc_records_size);
8199 if (! l_tcp->m_mcc_records) {
8200 return OPJ_FALSE;
8201 }
8202 memcpy(l_tcp->m_mcc_records, l_default_tcp->m_mcc_records, l_mcc_records_size);
8203 l_tcp->m_nb_max_mcc_records = l_default_tcp->m_nb_max_mcc_records;
8204
8205 /* Copy the mcc record data from dflt_tile_cp to the current tile*/
8206 l_src_mcc_rec = l_default_tcp->m_mcc_records;
8207 l_dest_mcc_rec = l_tcp->m_mcc_records;
8208
8209 for (j = 0; j < l_default_tcp->m_nb_max_mcc_records; ++j) {
8210
8211 if (l_src_mcc_rec->m_decorrelation_array) {
8212 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_decorrelation_array -
8213 l_default_tcp->m_mct_records);
8214 l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
8215 }
8216
8217 if (l_src_mcc_rec->m_offset_array) {
8218 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_offset_array -
8219 l_default_tcp->m_mct_records);
8220 l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
8221 }
8222
8223 ++l_src_mcc_rec;
8224 ++l_dest_mcc_rec;
8225 }
8226
8227 /* Copy all the dflt_tile_compo_cp to the current tile cp */
8228 memcpy(l_current_tccp, l_default_tcp->tccps, l_tccp_size);
8229
8230 /* Move to next tile cp*/
8231 ++l_tcp;
8232 }
8233
8234 /* Create the current tile decoder*/
8235 p_j2k->m_tcd = opj_tcd_create(OPJ_TRUE);
8236 if (! p_j2k->m_tcd) {
8237 return OPJ_FALSE;
8238 }
8239
8240 if (!opj_tcd_init(p_j2k->m_tcd, l_image, &(p_j2k->m_cp), p_j2k->m_tp)) {
8241 opj_tcd_destroy(p_j2k->m_tcd);
8242 p_j2k->m_tcd = 00;
8243 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
8244 return OPJ_FALSE;
8245 }
8246
8247 return OPJ_TRUE;
8248 }
8249
opj_j2k_get_marker_handler(OPJ_UINT32 p_id)8250 static const opj_dec_memory_marker_handler_t * opj_j2k_get_marker_handler(
8251 OPJ_UINT32 p_id)
8252 {
8253 const opj_dec_memory_marker_handler_t *e;
8254 for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) {
8255 if (e->id == p_id) {
8256 break; /* we find a handler corresponding to the marker ID*/
8257 }
8258 }
8259 return e;
8260 }
8261
opj_j2k_destroy(opj_j2k_t * p_j2k)8262 void opj_j2k_destroy(opj_j2k_t *p_j2k)
8263 {
8264 if (p_j2k == 00) {
8265 return;
8266 }
8267
8268 if (p_j2k->m_is_decoder) {
8269
8270 if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) {
8271 opj_j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp);
8272 opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp);
8273 p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
8274 }
8275
8276 if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) {
8277 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
8278 p_j2k->m_specific_param.m_decoder.m_header_data = 00;
8279 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
8280 }
8281
8282 opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
8283 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = 00;
8284 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
8285
8286 } else {
8287
8288 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
8289 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
8290 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
8291 }
8292
8293 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
8294 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
8295 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
8296 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
8297 }
8298
8299 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
8300 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
8301 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
8302 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
8303 }
8304 }
8305
8306 opj_tcd_destroy(p_j2k->m_tcd);
8307
8308 opj_j2k_cp_destroy(&(p_j2k->m_cp));
8309 memset(&(p_j2k->m_cp), 0, sizeof(opj_cp_t));
8310
8311 opj_procedure_list_destroy(p_j2k->m_procedure_list);
8312 p_j2k->m_procedure_list = 00;
8313
8314 opj_procedure_list_destroy(p_j2k->m_validation_list);
8315 p_j2k->m_procedure_list = 00;
8316
8317 j2k_destroy_cstr_index(p_j2k->cstr_index);
8318 p_j2k->cstr_index = NULL;
8319
8320 opj_image_destroy(p_j2k->m_private_image);
8321 p_j2k->m_private_image = NULL;
8322
8323 opj_image_destroy(p_j2k->m_output_image);
8324 p_j2k->m_output_image = NULL;
8325
8326 opj_thread_pool_destroy(p_j2k->m_tp);
8327 p_j2k->m_tp = NULL;
8328
8329 opj_free(p_j2k);
8330 }
8331
j2k_destroy_cstr_index(opj_codestream_index_t * p_cstr_ind)8332 void j2k_destroy_cstr_index(opj_codestream_index_t *p_cstr_ind)
8333 {
8334 if (p_cstr_ind) {
8335
8336 if (p_cstr_ind->marker) {
8337 opj_free(p_cstr_ind->marker);
8338 p_cstr_ind->marker = NULL;
8339 }
8340
8341 if (p_cstr_ind->tile_index) {
8342 OPJ_UINT32 it_tile = 0;
8343
8344 for (it_tile = 0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) {
8345
8346 if (p_cstr_ind->tile_index[it_tile].packet_index) {
8347 opj_free(p_cstr_ind->tile_index[it_tile].packet_index);
8348 p_cstr_ind->tile_index[it_tile].packet_index = NULL;
8349 }
8350
8351 if (p_cstr_ind->tile_index[it_tile].tp_index) {
8352 opj_free(p_cstr_ind->tile_index[it_tile].tp_index);
8353 p_cstr_ind->tile_index[it_tile].tp_index = NULL;
8354 }
8355
8356 if (p_cstr_ind->tile_index[it_tile].marker) {
8357 opj_free(p_cstr_ind->tile_index[it_tile].marker);
8358 p_cstr_ind->tile_index[it_tile].marker = NULL;
8359
8360 }
8361 }
8362
8363 opj_free(p_cstr_ind->tile_index);
8364 p_cstr_ind->tile_index = NULL;
8365 }
8366
8367 opj_free(p_cstr_ind);
8368 }
8369 }
8370
opj_j2k_tcp_destroy(opj_tcp_t * p_tcp)8371 static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp)
8372 {
8373 if (p_tcp == 00) {
8374 return;
8375 }
8376
8377 if (p_tcp->ppt_markers != 00) {
8378 OPJ_UINT32 i;
8379 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
8380 if (p_tcp->ppt_markers[i].m_data != NULL) {
8381 opj_free(p_tcp->ppt_markers[i].m_data);
8382 }
8383 }
8384 p_tcp->ppt_markers_count = 0U;
8385 opj_free(p_tcp->ppt_markers);
8386 p_tcp->ppt_markers = NULL;
8387 }
8388
8389 if (p_tcp->ppt_buffer != 00) {
8390 opj_free(p_tcp->ppt_buffer);
8391 p_tcp->ppt_buffer = 00;
8392 }
8393
8394 if (p_tcp->tccps != 00) {
8395 opj_free(p_tcp->tccps);
8396 p_tcp->tccps = 00;
8397 }
8398
8399 if (p_tcp->m_mct_coding_matrix != 00) {
8400 opj_free(p_tcp->m_mct_coding_matrix);
8401 p_tcp->m_mct_coding_matrix = 00;
8402 }
8403
8404 if (p_tcp->m_mct_decoding_matrix != 00) {
8405 opj_free(p_tcp->m_mct_decoding_matrix);
8406 p_tcp->m_mct_decoding_matrix = 00;
8407 }
8408
8409 if (p_tcp->m_mcc_records) {
8410 opj_free(p_tcp->m_mcc_records);
8411 p_tcp->m_mcc_records = 00;
8412 p_tcp->m_nb_max_mcc_records = 0;
8413 p_tcp->m_nb_mcc_records = 0;
8414 }
8415
8416 if (p_tcp->m_mct_records) {
8417 opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
8418 OPJ_UINT32 i;
8419
8420 for (i = 0; i < p_tcp->m_nb_mct_records; ++i) {
8421 if (l_mct_data->m_data) {
8422 opj_free(l_mct_data->m_data);
8423 l_mct_data->m_data = 00;
8424 }
8425
8426 ++l_mct_data;
8427 }
8428
8429 opj_free(p_tcp->m_mct_records);
8430 p_tcp->m_mct_records = 00;
8431 }
8432
8433 if (p_tcp->mct_norms != 00) {
8434 opj_free(p_tcp->mct_norms);
8435 p_tcp->mct_norms = 00;
8436 }
8437
8438 opj_j2k_tcp_data_destroy(p_tcp);
8439
8440 }
8441
opj_j2k_tcp_data_destroy(opj_tcp_t * p_tcp)8442 static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp)
8443 {
8444 if (p_tcp->m_data) {
8445 opj_free(p_tcp->m_data);
8446 p_tcp->m_data = NULL;
8447 p_tcp->m_data_size = 0;
8448 }
8449 }
8450
opj_j2k_cp_destroy(opj_cp_t * p_cp)8451 static void opj_j2k_cp_destroy(opj_cp_t *p_cp)
8452 {
8453 OPJ_UINT32 l_nb_tiles;
8454 opj_tcp_t * l_current_tile = 00;
8455
8456 if (p_cp == 00) {
8457 return;
8458 }
8459 if (p_cp->tcps != 00) {
8460 OPJ_UINT32 i;
8461 l_current_tile = p_cp->tcps;
8462 l_nb_tiles = p_cp->th * p_cp->tw;
8463
8464 for (i = 0U; i < l_nb_tiles; ++i) {
8465 opj_j2k_tcp_destroy(l_current_tile);
8466 ++l_current_tile;
8467 }
8468 opj_free(p_cp->tcps);
8469 p_cp->tcps = 00;
8470 }
8471 if (p_cp->ppm_markers != 00) {
8472 OPJ_UINT32 i;
8473 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
8474 if (p_cp->ppm_markers[i].m_data != NULL) {
8475 opj_free(p_cp->ppm_markers[i].m_data);
8476 }
8477 }
8478 p_cp->ppm_markers_count = 0U;
8479 opj_free(p_cp->ppm_markers);
8480 p_cp->ppm_markers = NULL;
8481 }
8482 opj_free(p_cp->ppm_buffer);
8483 p_cp->ppm_buffer = 00;
8484 p_cp->ppm_data =
8485 NULL; /* ppm_data belongs to the allocated buffer pointed by ppm_buffer */
8486 opj_free(p_cp->comment);
8487 p_cp->comment = 00;
8488 if (! p_cp->m_is_decoder) {
8489 opj_free(p_cp->m_specific_param.m_enc.m_matrice);
8490 p_cp->m_specific_param.m_enc.m_matrice = 00;
8491 }
8492 }
8493
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)8494 static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
8495 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
8496 opj_event_mgr_t * p_manager)
8497 {
8498 OPJ_BYTE l_header_data[10];
8499 OPJ_OFF_T l_stream_pos_backup;
8500 OPJ_UINT32 l_current_marker;
8501 OPJ_UINT32 l_marker_size;
8502 OPJ_UINT32 l_tile_no, l_tot_len, l_current_part, l_num_parts;
8503
8504 /* initialize to no correction needed */
8505 *p_correction_needed = OPJ_FALSE;
8506
8507 if (!opj_stream_has_seek(p_stream)) {
8508 /* We can't do much in this case, seek is needed */
8509 return OPJ_TRUE;
8510 }
8511
8512 l_stream_pos_backup = opj_stream_tell(p_stream);
8513 if (l_stream_pos_backup == -1) {
8514 /* let's do nothing */
8515 return OPJ_TRUE;
8516 }
8517
8518 for (;;) {
8519 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8520 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
8521 /* assume all is OK */
8522 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8523 return OPJ_FALSE;
8524 }
8525 return OPJ_TRUE;
8526 }
8527
8528 /* Read 2 bytes from buffer as the new marker ID */
8529 opj_read_bytes(l_header_data, &l_current_marker, 2);
8530
8531 if (l_current_marker != J2K_MS_SOT) {
8532 /* assume all is OK */
8533 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8534 return OPJ_FALSE;
8535 }
8536 return OPJ_TRUE;
8537 }
8538
8539 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
8540 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
8541 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8542 return OPJ_FALSE;
8543 }
8544
8545 /* Read 2 bytes from the buffer as the marker size */
8546 opj_read_bytes(l_header_data, &l_marker_size, 2);
8547
8548 /* Check marker size for SOT Marker */
8549 if (l_marker_size != 10) {
8550 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
8551 return OPJ_FALSE;
8552 }
8553 l_marker_size -= 2;
8554
8555 if (opj_stream_read_data(p_stream, l_header_data, l_marker_size,
8556 p_manager) != l_marker_size) {
8557 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8558 return OPJ_FALSE;
8559 }
8560
8561 if (! opj_j2k_get_sot_values(l_header_data, l_marker_size, &l_tile_no,
8562 &l_tot_len, &l_current_part, &l_num_parts, p_manager)) {
8563 return OPJ_FALSE;
8564 }
8565
8566 if (l_tile_no == tile_no) {
8567 /* we found what we were looking for */
8568 break;
8569 }
8570
8571 if (l_tot_len < 14U) {
8572 /* last SOT until EOC or invalid Psot value */
8573 /* assume all is OK */
8574 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8575 return OPJ_FALSE;
8576 }
8577 return OPJ_TRUE;
8578 }
8579 l_tot_len -= 12U;
8580 /* look for next SOT marker */
8581 if (opj_stream_skip(p_stream, (OPJ_OFF_T)(l_tot_len),
8582 p_manager) != (OPJ_OFF_T)(l_tot_len)) {
8583 /* assume all is OK */
8584 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8585 return OPJ_FALSE;
8586 }
8587 return OPJ_TRUE;
8588 }
8589 }
8590
8591 /* check for correction */
8592 if (l_current_part == l_num_parts) {
8593 *p_correction_needed = OPJ_TRUE;
8594 }
8595
8596 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8597 return OPJ_FALSE;
8598 }
8599 return OPJ_TRUE;
8600 }
8601
opj_j2k_read_tile_header(opj_j2k_t * p_j2k,OPJ_UINT32 * p_tile_index,OPJ_UINT32 * p_data_size,OPJ_INT32 * p_tile_x0,OPJ_INT32 * p_tile_y0,OPJ_INT32 * p_tile_x1,OPJ_INT32 * p_tile_y1,OPJ_UINT32 * p_nb_comps,OPJ_BOOL * p_go_on,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8602 OPJ_BOOL opj_j2k_read_tile_header(opj_j2k_t * p_j2k,
8603 OPJ_UINT32 * p_tile_index,
8604 OPJ_UINT32 * p_data_size,
8605 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
8606 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
8607 OPJ_UINT32 * p_nb_comps,
8608 OPJ_BOOL * p_go_on,
8609 opj_stream_private_t *p_stream,
8610 opj_event_mgr_t * p_manager)
8611 {
8612 OPJ_UINT32 l_current_marker = J2K_MS_SOT;
8613 OPJ_UINT32 l_marker_size;
8614 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
8615 opj_tcp_t * l_tcp = NULL;
8616
8617 /* preconditions */
8618 assert(p_stream != 00);
8619 assert(p_j2k != 00);
8620 assert(p_manager != 00);
8621
8622 /* Reach the End Of Codestream ?*/
8623 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
8624 l_current_marker = J2K_MS_EOC;
8625 }
8626 /* We need to encounter a SOT marker (a new tile-part header) */
8627 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
8628 return OPJ_FALSE;
8629 }
8630
8631 /* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */
8632 while ((!p_j2k->m_specific_param.m_decoder.m_can_decode) &&
8633 (l_current_marker != J2K_MS_EOC)) {
8634
8635 /* Try to read until the Start Of Data is detected */
8636 while (l_current_marker != J2K_MS_SOD) {
8637
8638 if (opj_stream_get_number_byte_left(p_stream) == 0) {
8639 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
8640 break;
8641 }
8642
8643 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
8644 if (opj_stream_read_data(p_stream,
8645 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8646 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8647 return OPJ_FALSE;
8648 }
8649
8650 /* Read 2 bytes from the buffer as the marker size */
8651 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
8652 2);
8653
8654 /* Check marker size (does not include marker ID but includes marker size) */
8655 if (l_marker_size < 2) {
8656 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
8657 return OPJ_FALSE;
8658 }
8659
8660 /* cf. https://code.google.com/p/openjpeg/issues/detail?id=226 */
8661 if (l_current_marker == 0x8080 &&
8662 opj_stream_get_number_byte_left(p_stream) == 0) {
8663 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
8664 break;
8665 }
8666
8667 /* Why this condition? FIXME */
8668 if (p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH) {
8669 p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
8670 }
8671 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
8672
8673 /* Get the marker handler from the marker ID */
8674 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
8675
8676 /* Check if the marker is known and if it is the right place to find it */
8677 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
8678 opj_event_msg(p_manager, EVT_ERROR,
8679 "Marker is not compliant with its position\n");
8680 return OPJ_FALSE;
8681 }
8682 /* FIXME manage case of unknown marker as in the main header ? */
8683
8684 /* Check if the marker size is compatible with the header data size */
8685 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
8686 OPJ_BYTE *new_header_data = NULL;
8687 /* If we are here, this means we consider this marker as known & we will read it */
8688 /* Check enough bytes left in stream before allocation */
8689 if ((OPJ_OFF_T)l_marker_size > opj_stream_get_number_byte_left(p_stream)) {
8690 opj_event_msg(p_manager, EVT_ERROR,
8691 "Marker size inconsistent with stream length\n");
8692 return OPJ_FALSE;
8693 }
8694 new_header_data = (OPJ_BYTE *) opj_realloc(
8695 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
8696 if (! new_header_data) {
8697 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
8698 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
8699 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
8700 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
8701 return OPJ_FALSE;
8702 }
8703 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
8704 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
8705 }
8706
8707 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
8708 if (opj_stream_read_data(p_stream,
8709 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
8710 p_manager) != l_marker_size) {
8711 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8712 return OPJ_FALSE;
8713 }
8714
8715 if (!l_marker_handler->handler) {
8716 /* See issue #175 */
8717 opj_event_msg(p_manager, EVT_ERROR, "Not sure how that happened.\n");
8718 return OPJ_FALSE;
8719 }
8720 /* Read the marker segment with the correct marker handler */
8721 if (!(*(l_marker_handler->handler))(p_j2k,
8722 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
8723 opj_event_msg(p_manager, EVT_ERROR,
8724 "Fail to read the current marker segment (%#x)\n", l_current_marker);
8725 return OPJ_FALSE;
8726 }
8727
8728 /* Add the marker to the codestream index*/
8729 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
8730 p_j2k->cstr_index,
8731 l_marker_handler->id,
8732 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
8733 l_marker_size + 4)) {
8734 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
8735 return OPJ_FALSE;
8736 }
8737
8738 /* Keep the position of the last SOT marker read */
8739 if (l_marker_handler->id == J2K_MS_SOT) {
8740 OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4
8741 ;
8742 if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos) {
8743 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos;
8744 }
8745 }
8746
8747 if (p_j2k->m_specific_param.m_decoder.m_skip_data) {
8748 /* Skip the rest of the tile part header*/
8749 if (opj_stream_skip(p_stream, p_j2k->m_specific_param.m_decoder.m_sot_length,
8750 p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) {
8751 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8752 return OPJ_FALSE;
8753 }
8754 l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */
8755 } else {
8756 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
8757 if (opj_stream_read_data(p_stream,
8758 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8759 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8760 return OPJ_FALSE;
8761 }
8762 /* Read 2 bytes from the buffer as the new marker ID */
8763 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8764 &l_current_marker, 2);
8765 }
8766 }
8767 if (opj_stream_get_number_byte_left(p_stream) == 0
8768 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
8769 break;
8770 }
8771
8772 /* If we didn't skip data before, we need to read the SOD marker*/
8773 if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
8774 /* Try to read the SOD marker and skip data ? FIXME */
8775 if (! opj_j2k_read_sod(p_j2k, p_stream, p_manager)) {
8776 return OPJ_FALSE;
8777 }
8778 if (p_j2k->m_specific_param.m_decoder.m_can_decode &&
8779 !p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked) {
8780 /* Issue 254 */
8781 OPJ_BOOL l_correction_needed;
8782
8783 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
8784 if (!opj_j2k_need_nb_tile_parts_correction(p_stream,
8785 p_j2k->m_current_tile_number, &l_correction_needed, p_manager)) {
8786 opj_event_msg(p_manager, EVT_ERROR,
8787 "opj_j2k_apply_nb_tile_parts_correction error\n");
8788 return OPJ_FALSE;
8789 }
8790 if (l_correction_needed) {
8791 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
8792 OPJ_UINT32 l_tile_no;
8793
8794 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
8795 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction = 1;
8796 /* correct tiles */
8797 for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
8798 if (p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts != 0U) {
8799 p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts += 1;
8800 }
8801 }
8802 opj_event_msg(p_manager, EVT_WARNING,
8803 "Non conformant codestream TPsot==TNsot.\n");
8804 }
8805 }
8806 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
8807 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8808 if (opj_stream_read_data(p_stream,
8809 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8810 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8811 return OPJ_FALSE;
8812 }
8813
8814 /* Read 2 bytes from buffer as the new marker ID */
8815 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8816 &l_current_marker, 2);
8817 }
8818 } else {
8819 /* Indicate we will try to read a new tile-part header*/
8820 p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
8821 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
8822 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
8823
8824 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8825 if (opj_stream_read_data(p_stream,
8826 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8827 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8828 return OPJ_FALSE;
8829 }
8830
8831 /* Read 2 bytes from buffer as the new marker ID */
8832 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8833 &l_current_marker, 2);
8834 }
8835 }
8836
8837 /* Current marker is the EOC marker ?*/
8838 if (l_current_marker == J2K_MS_EOC) {
8839 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
8840 }
8841
8842 /* FIXME DOC ???*/
8843 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
8844 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
8845 l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
8846
8847 while ((p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00)) {
8848 ++p_j2k->m_current_tile_number;
8849 ++l_tcp;
8850 }
8851
8852 if (p_j2k->m_current_tile_number == l_nb_tiles) {
8853 *p_go_on = OPJ_FALSE;
8854 return OPJ_TRUE;
8855 }
8856 }
8857
8858 if (! opj_j2k_merge_ppt(p_j2k->m_cp.tcps + p_j2k->m_current_tile_number,
8859 p_manager)) {
8860 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPT data\n");
8861 return OPJ_FALSE;
8862 }
8863 /*FIXME ???*/
8864 if (! opj_tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
8865 p_manager)) {
8866 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
8867 return OPJ_FALSE;
8868 }
8869
8870 opj_event_msg(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
8871 p_j2k->m_current_tile_number + 1, (p_j2k->m_cp.th * p_j2k->m_cp.tw));
8872
8873 *p_tile_index = p_j2k->m_current_tile_number;
8874 *p_go_on = OPJ_TRUE;
8875 if (p_data_size) {
8876 /* For internal use in j2k.c, we don't need this */
8877 /* This is just needed for folks using the opj_read_tile_header() / opj_decode_tile_data() combo */
8878 *p_data_size = opj_tcd_get_decoded_tile_size(p_j2k->m_tcd, OPJ_FALSE);
8879 if (*p_data_size == UINT_MAX) {
8880 return OPJ_FALSE;
8881 }
8882 }
8883 *p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
8884 *p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
8885 *p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
8886 *p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
8887 *p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
8888
8889 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
8890
8891 return OPJ_TRUE;
8892 }
8893
opj_j2k_decode_tile(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_index,OPJ_BYTE * p_data,OPJ_UINT32 p_data_size,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)8894 OPJ_BOOL opj_j2k_decode_tile(opj_j2k_t * p_j2k,
8895 OPJ_UINT32 p_tile_index,
8896 OPJ_BYTE * p_data,
8897 OPJ_UINT32 p_data_size,
8898 opj_stream_private_t *p_stream,
8899 opj_event_mgr_t * p_manager)
8900 {
8901 OPJ_UINT32 l_current_marker;
8902 OPJ_BYTE l_data [2];
8903 opj_tcp_t * l_tcp;
8904 opj_image_t* l_image_for_bounds;
8905
8906 /* preconditions */
8907 assert(p_stream != 00);
8908 assert(p_j2k != 00);
8909 assert(p_manager != 00);
8910
8911 if (!(p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_DATA)
8912 || (p_tile_index != p_j2k->m_current_tile_number)) {
8913 return OPJ_FALSE;
8914 }
8915
8916 l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
8917 if (! l_tcp->m_data) {
8918 opj_j2k_tcp_destroy(l_tcp);
8919 return OPJ_FALSE;
8920 }
8921
8922 /* When using the opj_read_tile_header / opj_decode_tile_data API */
8923 /* such as in test_tile_decoder, m_output_image is NULL, so fall back */
8924 /* to the full image dimension. This is a bit surprising that */
8925 /* opj_set_decode_area() is only used to determinte intersecting tiles, */
8926 /* but full tile decoding is done */
8927 l_image_for_bounds = p_j2k->m_output_image ? p_j2k->m_output_image :
8928 p_j2k->m_private_image;
8929 if (! opj_tcd_decode_tile(p_j2k->m_tcd,
8930 l_image_for_bounds->x0,
8931 l_image_for_bounds->y0,
8932 l_image_for_bounds->x1,
8933 l_image_for_bounds->y1,
8934 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode,
8935 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
8936 l_tcp->m_data,
8937 l_tcp->m_data_size,
8938 p_tile_index,
8939 p_j2k->cstr_index, p_manager)) {
8940 opj_j2k_tcp_destroy(l_tcp);
8941 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
8942 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode.\n");
8943 return OPJ_FALSE;
8944 }
8945
8946 /* p_data can be set to NULL when the call will take care of using */
8947 /* itself the TCD data. This is typically the case for whole single */
8948 /* tile decoding optimization. */
8949 if (p_data != NULL) {
8950 if (! opj_tcd_update_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
8951 return OPJ_FALSE;
8952 }
8953
8954 /* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access)
8955 * we destroy just the data which will be re-read in read_tile_header*/
8956 /*opj_j2k_tcp_destroy(l_tcp);
8957 p_j2k->m_tcd->tcp = 0;*/
8958 opj_j2k_tcp_data_destroy(l_tcp);
8959 }
8960
8961 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
8962 p_j2k->m_specific_param.m_decoder.m_state &= (~(OPJ_UINT32)J2K_STATE_DATA);
8963
8964 if (opj_stream_get_number_byte_left(p_stream) == 0
8965 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
8966 return OPJ_TRUE;
8967 }
8968
8969 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
8970 if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
8971 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8972 return OPJ_FALSE;
8973 }
8974
8975 opj_read_bytes(l_data, &l_current_marker, 2);
8976
8977 if (l_current_marker == J2K_MS_EOC) {
8978 p_j2k->m_current_tile_number = 0;
8979 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
8980 } else if (l_current_marker != J2K_MS_SOT) {
8981 if (opj_stream_get_number_byte_left(p_stream) == 0) {
8982 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
8983 opj_event_msg(p_manager, EVT_WARNING, "Stream does not end with EOC\n");
8984 return OPJ_TRUE;
8985 }
8986 opj_event_msg(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
8987 return OPJ_FALSE;
8988 }
8989 }
8990
8991 return OPJ_TRUE;
8992 }
8993
opj_j2k_update_image_data(opj_tcd_t * p_tcd,opj_image_t * p_output_image)8994 static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
8995 opj_image_t* p_output_image)
8996 {
8997 OPJ_UINT32 i, j;
8998 OPJ_UINT32 l_width_src, l_height_src;
8999 OPJ_UINT32 l_width_dest, l_height_dest;
9000 OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src;
9001 OPJ_SIZE_T l_start_offset_src;
9002 OPJ_UINT32 l_start_x_dest, l_start_y_dest;
9003 OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest;
9004 OPJ_SIZE_T l_start_offset_dest;
9005
9006 opj_image_comp_t * l_img_comp_src = 00;
9007 opj_image_comp_t * l_img_comp_dest = 00;
9008
9009 opj_tcd_tilecomp_t * l_tilec = 00;
9010 opj_image_t * l_image_src = 00;
9011 OPJ_INT32 * l_dest_ptr;
9012
9013 l_tilec = p_tcd->tcd_image->tiles->comps;
9014 l_image_src = p_tcd->image;
9015 l_img_comp_src = l_image_src->comps;
9016
9017 l_img_comp_dest = p_output_image->comps;
9018
9019 for (i = 0; i < l_image_src->numcomps;
9020 i++, ++l_img_comp_dest, ++l_img_comp_src, ++l_tilec) {
9021 OPJ_INT32 res_x0, res_x1, res_y0, res_y1;
9022 OPJ_UINT32 src_data_stride;
9023 const OPJ_INT32* p_src_data;
9024
9025 /* Copy info from decoded comp image to output image */
9026 l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded;
9027
9028 if (p_tcd->whole_tile_decoding) {
9029 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
9030 l_img_comp_src->resno_decoded;
9031 res_x0 = l_res->x0;
9032 res_y0 = l_res->y0;
9033 res_x1 = l_res->x1;
9034 res_y1 = l_res->y1;
9035 src_data_stride = (OPJ_UINT32)(
9036 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x1 -
9037 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x0);
9038 p_src_data = l_tilec->data;
9039 } else {
9040 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
9041 l_img_comp_src->resno_decoded;
9042 res_x0 = (OPJ_INT32)l_res->win_x0;
9043 res_y0 = (OPJ_INT32)l_res->win_y0;
9044 res_x1 = (OPJ_INT32)l_res->win_x1;
9045 res_y1 = (OPJ_INT32)l_res->win_y1;
9046 src_data_stride = l_res->win_x1 - l_res->win_x0;
9047 p_src_data = l_tilec->data_win;
9048 }
9049
9050 if (p_src_data == NULL) {
9051 /* Happens for partial component decoding */
9052 continue;
9053 }
9054
9055 l_width_src = (OPJ_UINT32)(res_x1 - res_x0);
9056 l_height_src = (OPJ_UINT32)(res_y1 - res_y0);
9057
9058
9059 /* Current tile component size*/
9060 /*if (i == 0) {
9061 fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n",
9062 res_x0, res_x1, res_y0, res_y1);
9063 }*/
9064
9065
9066 /* Border of the current output component*/
9067 l_x0_dest = opj_uint_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
9068 l_y0_dest = opj_uint_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
9069 l_x1_dest = l_x0_dest +
9070 l_img_comp_dest->w; /* can't overflow given that image->x1 is uint32 */
9071 l_y1_dest = l_y0_dest + l_img_comp_dest->h;
9072
9073 /*if (i == 0) {
9074 fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n",
9075 l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor );
9076 }*/
9077
9078 /*-----*/
9079 /* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src)
9080 * of the input buffer (decoded tile component) which will be move
9081 * in the output buffer. Compute the area of the output buffer (l_start_x_dest,
9082 * l_start_y_dest, l_width_dest, l_height_dest) which will be modified
9083 * by this input area.
9084 * */
9085 assert(res_x0 >= 0);
9086 assert(res_x1 >= 0);
9087
9088 /* Prevent bad casting to unsigned values in the subsequent lines. */
9089 if ( res_x0 < 0 || res_x1 < 0 || res_y0 < 0 || res_y1 < 0 ) {
9090 return OPJ_FALSE;
9091 }
9092
9093 if (l_x0_dest < (OPJ_UINT32)res_x0) {
9094 l_start_x_dest = (OPJ_UINT32)res_x0 - l_x0_dest;
9095 l_offset_x0_src = 0;
9096
9097 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
9098 l_width_dest = l_width_src;
9099 l_offset_x1_src = 0;
9100 } else {
9101 l_width_dest = l_x1_dest - (OPJ_UINT32)res_x0 ;
9102 l_offset_x1_src = (OPJ_INT32)(l_width_src - l_width_dest);
9103 }
9104 } else {
9105 l_start_x_dest = 0U;
9106 l_offset_x0_src = (OPJ_INT32)l_x0_dest - res_x0;
9107
9108 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
9109 l_width_dest = l_width_src - (OPJ_UINT32)l_offset_x0_src;
9110 l_offset_x1_src = 0;
9111 } else {
9112 l_width_dest = l_img_comp_dest->w ;
9113 l_offset_x1_src = res_x1 - (OPJ_INT32)l_x1_dest;
9114 }
9115 }
9116
9117 if (l_y0_dest < (OPJ_UINT32)res_y0) {
9118 l_start_y_dest = (OPJ_UINT32)res_y0 - l_y0_dest;
9119 l_offset_y0_src = 0;
9120
9121 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
9122 l_height_dest = l_height_src;
9123 l_offset_y1_src = 0;
9124 } else {
9125 l_height_dest = l_y1_dest - (OPJ_UINT32)res_y0 ;
9126 l_offset_y1_src = (OPJ_INT32)(l_height_src - l_height_dest);
9127 }
9128 } else {
9129 l_start_y_dest = 0U;
9130 l_offset_y0_src = (OPJ_INT32)l_y0_dest - res_y0;
9131
9132 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
9133 l_height_dest = l_height_src - (OPJ_UINT32)l_offset_y0_src;
9134 l_offset_y1_src = 0;
9135 } else {
9136 l_height_dest = l_img_comp_dest->h ;
9137 l_offset_y1_src = res_y1 - (OPJ_INT32)l_y1_dest;
9138 }
9139 }
9140
9141 if ((l_offset_x0_src < 0) || (l_offset_y0_src < 0) || (l_offset_x1_src < 0) ||
9142 (l_offset_y1_src < 0)) {
9143 return OPJ_FALSE;
9144 }
9145 /* testcase 2977.pdf.asan.67.2198 */
9146 if ((OPJ_INT32)l_width_dest < 0 || (OPJ_INT32)l_height_dest < 0) {
9147 return OPJ_FALSE;
9148 }
9149 /*-----*/
9150
9151 /* Compute the input buffer offset */
9152 l_start_offset_src = (OPJ_SIZE_T)l_offset_x0_src + (OPJ_SIZE_T)l_offset_y0_src
9153 * (OPJ_SIZE_T)src_data_stride;
9154
9155 /* Compute the output buffer offset */
9156 l_start_offset_dest = (OPJ_SIZE_T)l_start_x_dest + (OPJ_SIZE_T)l_start_y_dest
9157 * (OPJ_SIZE_T)l_img_comp_dest->w;
9158
9159 /* Allocate output component buffer if necessary */
9160 if (l_img_comp_dest->data == NULL &&
9161 l_start_offset_src == 0 && l_start_offset_dest == 0 &&
9162 src_data_stride == l_img_comp_dest->w &&
9163 l_width_dest == l_img_comp_dest->w &&
9164 l_height_dest == l_img_comp_dest->h) {
9165 /* If the final image matches the tile buffer, then borrow it */
9166 /* directly to save a copy */
9167 if (p_tcd->whole_tile_decoding) {
9168 l_img_comp_dest->data = l_tilec->data;
9169 l_tilec->data = NULL;
9170 } else {
9171 l_img_comp_dest->data = l_tilec->data_win;
9172 l_tilec->data_win = NULL;
9173 }
9174 continue;
9175 } else if (l_img_comp_dest->data == NULL) {
9176 OPJ_SIZE_T l_width = l_img_comp_dest->w;
9177 OPJ_SIZE_T l_height = l_img_comp_dest->h;
9178
9179 if ((l_height == 0U) || (l_width > (SIZE_MAX / l_height)) ||
9180 l_width * l_height > SIZE_MAX / sizeof(OPJ_INT32)) {
9181 /* would overflow */
9182 return OPJ_FALSE;
9183 }
9184 l_img_comp_dest->data = (OPJ_INT32*) opj_image_data_alloc(l_width * l_height *
9185 sizeof(OPJ_INT32));
9186 if (! l_img_comp_dest->data) {
9187 return OPJ_FALSE;
9188 }
9189
9190 if (l_img_comp_dest->w != l_width_dest ||
9191 l_img_comp_dest->h != l_height_dest) {
9192 memset(l_img_comp_dest->data, 0,
9193 (OPJ_SIZE_T)l_img_comp_dest->w * l_img_comp_dest->h * sizeof(OPJ_INT32));
9194 }
9195 }
9196
9197 /* Move the output buffer to the first place where we will write*/
9198 l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest;
9199
9200 {
9201 const OPJ_INT32 * l_src_ptr = p_src_data;
9202 l_src_ptr += l_start_offset_src;
9203
9204 for (j = 0; j < l_height_dest; ++j) {
9205 memcpy(l_dest_ptr, l_src_ptr, l_width_dest * sizeof(OPJ_INT32));
9206 l_dest_ptr += l_img_comp_dest->w;
9207 l_src_ptr += src_data_stride;
9208 }
9209 }
9210
9211
9212 }
9213
9214 return OPJ_TRUE;
9215 }
9216
opj_j2k_update_image_dimensions(opj_image_t * p_image,opj_event_mgr_t * p_manager)9217 static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
9218 opj_event_mgr_t * p_manager)
9219 {
9220 OPJ_UINT32 it_comp;
9221 OPJ_INT32 l_comp_x1, l_comp_y1;
9222 opj_image_comp_t* l_img_comp = NULL;
9223
9224 l_img_comp = p_image->comps;
9225 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
9226 l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
9227 l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
9228 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
9229 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
9230
9231 OPJ_INT32 l_1 = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor);
9232 OPJ_INT32 l_2 = opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor);
9233 if (l_1 < l_2) {
9234 opj_event_msg(p_manager, EVT_ERROR,
9235 "Size x of the decoded component image is incorrect (comp[%d].w<0).\n",
9236 it_comp);
9237 return OPJ_FALSE;
9238 }
9239 l_img_comp->w = (OPJ_UINT32)(l_1-l_2);
9240
9241 l_1 = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor);
9242 l_2 = opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor);
9243 if (l_1 < l_2) {
9244 opj_event_msg(p_manager, EVT_ERROR,
9245 "Size y of the decoded component image is incorrect (comp[%d].h<0).\n",
9246 it_comp);
9247 return OPJ_FALSE;
9248 }
9249 l_img_comp->h = (OPJ_UINT32)(l_1-l_2);
9250
9251 l_img_comp++;
9252 }
9253
9254 return OPJ_TRUE;
9255 }
9256
opj_j2k_set_decoded_components(opj_j2k_t * p_j2k,OPJ_UINT32 numcomps,const OPJ_UINT32 * comps_indices,opj_event_mgr_t * p_manager)9257 OPJ_BOOL opj_j2k_set_decoded_components(opj_j2k_t *p_j2k,
9258 OPJ_UINT32 numcomps,
9259 const OPJ_UINT32* comps_indices,
9260 opj_event_mgr_t * p_manager)
9261 {
9262 OPJ_UINT32 i;
9263 OPJ_BOOL* already_mapped;
9264
9265 if (p_j2k->m_private_image == NULL) {
9266 opj_event_msg(p_manager, EVT_ERROR,
9267 "opj_read_header() should be called before "
9268 "opj_set_decoded_components().\n");
9269 return OPJ_FALSE;
9270 }
9271
9272 already_mapped = (OPJ_BOOL*) opj_calloc(sizeof(OPJ_BOOL),
9273 p_j2k->m_private_image->numcomps);
9274 if (already_mapped == NULL) {
9275 return OPJ_FALSE;
9276 }
9277
9278 for (i = 0; i < numcomps; i++) {
9279 if (comps_indices[i] >= p_j2k->m_private_image->numcomps) {
9280 opj_event_msg(p_manager, EVT_ERROR,
9281 "Invalid component index: %u\n",
9282 comps_indices[i]);
9283 opj_free(already_mapped);
9284 return OPJ_FALSE;
9285 }
9286 if (already_mapped[comps_indices[i]]) {
9287 opj_event_msg(p_manager, EVT_ERROR,
9288 "Component index %u used several times\n",
9289 comps_indices[i]);
9290 opj_free(already_mapped);
9291 return OPJ_FALSE;
9292 }
9293 already_mapped[comps_indices[i]] = OPJ_TRUE;
9294 }
9295 opj_free(already_mapped);
9296
9297 opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
9298 if (numcomps) {
9299 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode =
9300 (OPJ_UINT32*) opj_malloc(numcomps * sizeof(OPJ_UINT32));
9301 if (p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode == NULL) {
9302 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
9303 return OPJ_FALSE;
9304 }
9305 memcpy(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
9306 comps_indices,
9307 numcomps * sizeof(OPJ_UINT32));
9308 } else {
9309 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = NULL;
9310 }
9311 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = numcomps;
9312
9313 return OPJ_TRUE;
9314 }
9315
9316
opj_j2k_set_decode_area(opj_j2k_t * p_j2k,opj_image_t * p_image,OPJ_INT32 p_start_x,OPJ_INT32 p_start_y,OPJ_INT32 p_end_x,OPJ_INT32 p_end_y,opj_event_mgr_t * p_manager)9317 OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k,
9318 opj_image_t* p_image,
9319 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
9320 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
9321 opj_event_mgr_t * p_manager)
9322 {
9323 opj_cp_t * l_cp = &(p_j2k->m_cp);
9324 opj_image_t * l_image = p_j2k->m_private_image;
9325 OPJ_BOOL ret;
9326 OPJ_UINT32 it_comp;
9327
9328 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
9329 p_j2k->m_cp.tcps[0].m_data != NULL) {
9330 /* In the case of a single-tiled image whose codestream we have already */
9331 /* ingested, go on */
9332 }
9333 /* Check if we are read the main header */
9334 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
9335 opj_event_msg(p_manager, EVT_ERROR,
9336 "Need to decode the main header before begin to decode the remaining codestream.\n");
9337 return OPJ_FALSE;
9338 }
9339
9340 /* Update the comps[].factor member of the output image with the one */
9341 /* of m_reduce */
9342 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
9343 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
9344 }
9345
9346 if (!p_start_x && !p_start_y && !p_end_x && !p_end_y) {
9347 opj_event_msg(p_manager, EVT_INFO,
9348 "No decoded area parameters, set the decoded area to the whole image\n");
9349
9350 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
9351 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
9352 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
9353 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
9354
9355 p_image->x0 = l_image->x0;
9356 p_image->y0 = l_image->y0;
9357 p_image->x1 = l_image->x1;
9358 p_image->y1 = l_image->y1;
9359
9360 return opj_j2k_update_image_dimensions(p_image, p_manager);
9361 }
9362
9363 /* ----- */
9364 /* Check if the positions provided by the user are correct */
9365
9366 /* Left */
9367 if (p_start_x < 0) {
9368 opj_event_msg(p_manager, EVT_ERROR,
9369 "Left position of the decoded area (region_x0=%d) should be >= 0.\n",
9370 p_start_x);
9371 return OPJ_FALSE;
9372 } else if ((OPJ_UINT32)p_start_x > l_image->x1) {
9373 opj_event_msg(p_manager, EVT_ERROR,
9374 "Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n",
9375 p_start_x, l_image->x1);
9376 return OPJ_FALSE;
9377 } else if ((OPJ_UINT32)p_start_x < l_image->x0) {
9378 opj_event_msg(p_manager, EVT_WARNING,
9379 "Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n",
9380 p_start_x, l_image->x0);
9381 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
9382 p_image->x0 = l_image->x0;
9383 } else {
9384 p_j2k->m_specific_param.m_decoder.m_start_tile_x = ((OPJ_UINT32)p_start_x -
9385 l_cp->tx0) / l_cp->tdx;
9386 p_image->x0 = (OPJ_UINT32)p_start_x;
9387 }
9388
9389 /* Up */
9390 if (p_start_y < 0) {
9391 opj_event_msg(p_manager, EVT_ERROR,
9392 "Up position of the decoded area (region_y0=%d) should be >= 0.\n",
9393 p_start_y);
9394 return OPJ_FALSE;
9395 } else if ((OPJ_UINT32)p_start_y > l_image->y1) {
9396 opj_event_msg(p_manager, EVT_ERROR,
9397 "Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n",
9398 p_start_y, l_image->y1);
9399 return OPJ_FALSE;
9400 } else if ((OPJ_UINT32)p_start_y < l_image->y0) {
9401 opj_event_msg(p_manager, EVT_WARNING,
9402 "Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n",
9403 p_start_y, l_image->y0);
9404 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
9405 p_image->y0 = l_image->y0;
9406 } else {
9407 p_j2k->m_specific_param.m_decoder.m_start_tile_y = ((OPJ_UINT32)p_start_y -
9408 l_cp->ty0) / l_cp->tdy;
9409 p_image->y0 = (OPJ_UINT32)p_start_y;
9410 }
9411
9412 /* Right */
9413 if (p_end_x <= 0) {
9414 opj_event_msg(p_manager, EVT_ERROR,
9415 "Right position of the decoded area (region_x1=%d) should be > 0.\n",
9416 p_end_x);
9417 return OPJ_FALSE;
9418 } else if ((OPJ_UINT32)p_end_x < l_image->x0) {
9419 opj_event_msg(p_manager, EVT_ERROR,
9420 "Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n",
9421 p_end_x, l_image->x0);
9422 return OPJ_FALSE;
9423 } else if ((OPJ_UINT32)p_end_x > l_image->x1) {
9424 opj_event_msg(p_manager, EVT_WARNING,
9425 "Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n",
9426 p_end_x, l_image->x1);
9427 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
9428 p_image->x1 = l_image->x1;
9429 } else {
9430 p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv(
9431 p_end_x - (OPJ_INT32)l_cp->tx0, (OPJ_INT32)l_cp->tdx);
9432 p_image->x1 = (OPJ_UINT32)p_end_x;
9433 }
9434
9435 /* Bottom */
9436 if (p_end_y <= 0) {
9437 opj_event_msg(p_manager, EVT_ERROR,
9438 "Bottom position of the decoded area (region_y1=%d) should be > 0.\n",
9439 p_end_y);
9440 return OPJ_FALSE;
9441 } else if ((OPJ_UINT32)p_end_y < l_image->y0) {
9442 opj_event_msg(p_manager, EVT_ERROR,
9443 "Bottom position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n",
9444 p_end_y, l_image->y0);
9445 return OPJ_FALSE;
9446 }
9447 if ((OPJ_UINT32)p_end_y > l_image->y1) {
9448 opj_event_msg(p_manager, EVT_WARNING,
9449 "Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n",
9450 p_end_y, l_image->y1);
9451 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
9452 p_image->y1 = l_image->y1;
9453 } else {
9454 p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv(
9455 p_end_y - (OPJ_INT32)l_cp->ty0, (OPJ_INT32)l_cp->tdy);
9456 p_image->y1 = (OPJ_UINT32)p_end_y;
9457 }
9458 /* ----- */
9459
9460 p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1;
9461
9462 ret = opj_j2k_update_image_dimensions(p_image, p_manager);
9463
9464 if (ret) {
9465 opj_event_msg(p_manager, EVT_INFO, "Setting decoding area to %d,%d,%d,%d\n",
9466 p_image->x0, p_image->y0, p_image->x1, p_image->y1);
9467 }
9468
9469 return ret;
9470 }
9471
opj_j2k_create_decompress(void)9472 opj_j2k_t* opj_j2k_create_decompress(void)
9473 {
9474 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
9475 if (!l_j2k) {
9476 return 00;
9477 }
9478
9479 l_j2k->m_is_decoder = 1;
9480 l_j2k->m_cp.m_is_decoder = 1;
9481 /* in the absence of JP2 boxes, consider different bit depth / sign */
9482 /* per component is allowed */
9483 l_j2k->m_cp.allow_different_bit_depth_sign = 1;
9484
9485 #ifdef OPJ_DISABLE_TPSOT_FIX
9486 l_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
9487 #endif
9488
9489 l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_t*) opj_calloc(1,
9490 sizeof(opj_tcp_t));
9491 if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
9492 opj_j2k_destroy(l_j2k);
9493 return 00;
9494 }
9495
9496 l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_calloc(1,
9497 OPJ_J2K_DEFAULT_HEADER_SIZE);
9498 if (! l_j2k->m_specific_param.m_decoder.m_header_data) {
9499 opj_j2k_destroy(l_j2k);
9500 return 00;
9501 }
9502
9503 l_j2k->m_specific_param.m_decoder.m_header_data_size =
9504 OPJ_J2K_DEFAULT_HEADER_SIZE;
9505
9506 l_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = -1 ;
9507
9508 l_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = 0 ;
9509
9510 /* codestream index creation */
9511 l_j2k->cstr_index = opj_j2k_create_cstr_index();
9512 if (!l_j2k->cstr_index) {
9513 opj_j2k_destroy(l_j2k);
9514 return 00;
9515 }
9516
9517 /* validation list creation */
9518 l_j2k->m_validation_list = opj_procedure_list_create();
9519 if (! l_j2k->m_validation_list) {
9520 opj_j2k_destroy(l_j2k);
9521 return 00;
9522 }
9523
9524 /* execution list creation */
9525 l_j2k->m_procedure_list = opj_procedure_list_create();
9526 if (! l_j2k->m_procedure_list) {
9527 opj_j2k_destroy(l_j2k);
9528 return 00;
9529 }
9530
9531 l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
9532 if (!l_j2k->m_tp) {
9533 l_j2k->m_tp = opj_thread_pool_create(0);
9534 }
9535 if (!l_j2k->m_tp) {
9536 opj_j2k_destroy(l_j2k);
9537 return NULL;
9538 }
9539
9540 return l_j2k;
9541 }
9542
opj_j2k_create_cstr_index(void)9543 static opj_codestream_index_t* opj_j2k_create_cstr_index(void)
9544 {
9545 opj_codestream_index_t* cstr_index = (opj_codestream_index_t*)
9546 opj_calloc(1, sizeof(opj_codestream_index_t));
9547 if (!cstr_index) {
9548 return NULL;
9549 }
9550
9551 cstr_index->maxmarknum = 100;
9552 cstr_index->marknum = 0;
9553 cstr_index->marker = (opj_marker_info_t*)
9554 opj_calloc(cstr_index->maxmarknum, sizeof(opj_marker_info_t));
9555 if (!cstr_index-> marker) {
9556 opj_free(cstr_index);
9557 return NULL;
9558 }
9559
9560 cstr_index->tile_index = NULL;
9561
9562 return cstr_index;
9563 }
9564
opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no)9565 static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
9566 OPJ_UINT32 p_tile_no,
9567 OPJ_UINT32 p_comp_no)
9568 {
9569 opj_cp_t *l_cp = 00;
9570 opj_tcp_t *l_tcp = 00;
9571 opj_tccp_t *l_tccp = 00;
9572
9573 /* preconditions */
9574 assert(p_j2k != 00);
9575
9576 l_cp = &(p_j2k->m_cp);
9577 l_tcp = &l_cp->tcps[p_tile_no];
9578 l_tccp = &l_tcp->tccps[p_comp_no];
9579
9580 /* preconditions again */
9581 assert(p_tile_no < (l_cp->tw * l_cp->th));
9582 assert(p_comp_no < p_j2k->m_private_image->numcomps);
9583
9584 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
9585 return 5 + l_tccp->numresolutions;
9586 } else {
9587 return 5;
9588 }
9589 }
9590
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)9591 static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
9592 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
9593 {
9594 OPJ_UINT32 i;
9595 opj_cp_t *l_cp = NULL;
9596 opj_tcp_t *l_tcp = NULL;
9597 opj_tccp_t *l_tccp0 = NULL;
9598 opj_tccp_t *l_tccp1 = NULL;
9599
9600 /* preconditions */
9601 assert(p_j2k != 00);
9602
9603 l_cp = &(p_j2k->m_cp);
9604 l_tcp = &l_cp->tcps[p_tile_no];
9605 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
9606 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
9607
9608 if (l_tccp0->numresolutions != l_tccp1->numresolutions) {
9609 return OPJ_FALSE;
9610 }
9611 if (l_tccp0->cblkw != l_tccp1->cblkw) {
9612 return OPJ_FALSE;
9613 }
9614 if (l_tccp0->cblkh != l_tccp1->cblkh) {
9615 return OPJ_FALSE;
9616 }
9617 if (l_tccp0->cblksty != l_tccp1->cblksty) {
9618 return OPJ_FALSE;
9619 }
9620 if (l_tccp0->qmfbid != l_tccp1->qmfbid) {
9621 return OPJ_FALSE;
9622 }
9623 if ((l_tccp0->csty & J2K_CCP_CSTY_PRT) != (l_tccp1->csty & J2K_CCP_CSTY_PRT)) {
9624 return OPJ_FALSE;
9625 }
9626
9627 for (i = 0U; i < l_tccp0->numresolutions; ++i) {
9628 if (l_tccp0->prcw[i] != l_tccp1->prcw[i]) {
9629 return OPJ_FALSE;
9630 }
9631 if (l_tccp0->prch[i] != l_tccp1->prch[i]) {
9632 return OPJ_FALSE;
9633 }
9634 }
9635 return OPJ_TRUE;
9636 }
9637
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)9638 static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
9639 OPJ_UINT32 p_tile_no,
9640 OPJ_UINT32 p_comp_no,
9641 OPJ_BYTE * p_data,
9642 OPJ_UINT32 * p_header_size,
9643 struct opj_event_mgr * p_manager)
9644 {
9645 OPJ_UINT32 i;
9646 opj_cp_t *l_cp = 00;
9647 opj_tcp_t *l_tcp = 00;
9648 opj_tccp_t *l_tccp = 00;
9649
9650 /* preconditions */
9651 assert(p_j2k != 00);
9652 assert(p_header_size != 00);
9653 assert(p_manager != 00);
9654 assert(p_data != 00);
9655
9656 l_cp = &(p_j2k->m_cp);
9657 l_tcp = &l_cp->tcps[p_tile_no];
9658 l_tccp = &l_tcp->tccps[p_comp_no];
9659
9660 /* preconditions again */
9661 assert(p_tile_no < (l_cp->tw * l_cp->th));
9662 assert(p_comp_no < (p_j2k->m_private_image->numcomps));
9663
9664 if (*p_header_size < 5) {
9665 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
9666 return OPJ_FALSE;
9667 }
9668
9669 opj_write_bytes(p_data, l_tccp->numresolutions - 1, 1); /* SPcoc (D) */
9670 ++p_data;
9671
9672 opj_write_bytes(p_data, l_tccp->cblkw - 2, 1); /* SPcoc (E) */
9673 ++p_data;
9674
9675 opj_write_bytes(p_data, l_tccp->cblkh - 2, 1); /* SPcoc (F) */
9676 ++p_data;
9677
9678 opj_write_bytes(p_data, l_tccp->cblksty,
9679 1); /* SPcoc (G) */
9680 ++p_data;
9681
9682 opj_write_bytes(p_data, l_tccp->qmfbid,
9683 1); /* SPcoc (H) */
9684 ++p_data;
9685
9686 *p_header_size = *p_header_size - 5;
9687
9688 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
9689
9690 if (*p_header_size < l_tccp->numresolutions) {
9691 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
9692 return OPJ_FALSE;
9693 }
9694
9695 for (i = 0; i < l_tccp->numresolutions; ++i) {
9696 opj_write_bytes(p_data, l_tccp->prcw[i] + (l_tccp->prch[i] << 4),
9697 1); /* SPcoc (I_i) */
9698 ++p_data;
9699 }
9700
9701 *p_header_size = *p_header_size - l_tccp->numresolutions;
9702 }
9703
9704 return OPJ_TRUE;
9705 }
9706
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)9707 static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
9708 OPJ_UINT32 compno,
9709 OPJ_BYTE * p_header_data,
9710 OPJ_UINT32 * p_header_size,
9711 opj_event_mgr_t * p_manager)
9712 {
9713 OPJ_UINT32 i, l_tmp;
9714 opj_cp_t *l_cp = NULL;
9715 opj_tcp_t *l_tcp = NULL;
9716 opj_tccp_t *l_tccp = NULL;
9717 OPJ_BYTE * l_current_ptr = NULL;
9718
9719 /* preconditions */
9720 assert(p_j2k != 00);
9721 assert(p_manager != 00);
9722 assert(p_header_data != 00);
9723
9724 l_cp = &(p_j2k->m_cp);
9725 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
9726 &l_cp->tcps[p_j2k->m_current_tile_number] :
9727 p_j2k->m_specific_param.m_decoder.m_default_tcp;
9728
9729 /* precondition again */
9730 if (compno >= p_j2k->m_private_image->numcomps) {
9731 return OPJ_FALSE;
9732 }
9733
9734 assert(compno < p_j2k->m_private_image->numcomps);
9735
9736 l_tccp = &l_tcp->tccps[compno];
9737 l_current_ptr = p_header_data;
9738
9739 /* make sure room is sufficient */
9740 if (*p_header_size < 5) {
9741 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
9742 return OPJ_FALSE;
9743 }
9744
9745 opj_read_bytes(l_current_ptr, &l_tccp->numresolutions,
9746 1); /* SPcox (D) */
9747 ++l_tccp->numresolutions; /* tccp->numresolutions = read() + 1 */
9748 if (l_tccp->numresolutions > OPJ_J2K_MAXRLVLS) {
9749 opj_event_msg(p_manager, EVT_ERROR,
9750 "Invalid value for numresolutions : %d, max value is set in openjpeg.h at %d\n",
9751 l_tccp->numresolutions, OPJ_J2K_MAXRLVLS);
9752 return OPJ_FALSE;
9753 }
9754 ++l_current_ptr;
9755
9756 /* If user wants to remove more resolutions than the codestream contains, return error */
9757 if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) {
9758 opj_event_msg(p_manager, EVT_ERROR,
9759 "Error decoding component %d.\nThe number of resolutions "
9760 "to remove (%d) is greater or equal than the number "
9761 "of resolutions of this component (%d)\nModify the cp_reduce parameter.\n\n",
9762 compno, l_cp->m_specific_param.m_dec.m_reduce, l_tccp->numresolutions);
9763 p_j2k->m_specific_param.m_decoder.m_state |=
9764 0x8000;/* FIXME J2K_DEC_STATE_ERR;*/
9765 return OPJ_FALSE;
9766 }
9767
9768 opj_read_bytes(l_current_ptr, &l_tccp->cblkw, 1); /* SPcoc (E) */
9769 ++l_current_ptr;
9770 l_tccp->cblkw += 2;
9771
9772 opj_read_bytes(l_current_ptr, &l_tccp->cblkh, 1); /* SPcoc (F) */
9773 ++l_current_ptr;
9774 l_tccp->cblkh += 2;
9775
9776 if ((l_tccp->cblkw > 10) || (l_tccp->cblkh > 10) ||
9777 ((l_tccp->cblkw + l_tccp->cblkh) > 12)) {
9778 opj_event_msg(p_manager, EVT_ERROR,
9779 "Error reading SPCod SPCoc element, Invalid cblkw/cblkh combination\n");
9780 return OPJ_FALSE;
9781 }
9782
9783
9784 opj_read_bytes(l_current_ptr, &l_tccp->cblksty, 1); /* SPcoc (G) */
9785 ++l_current_ptr;
9786 if (l_tccp->cblksty & 0xC0U) { /* 2 msb are reserved, assume we can't read */
9787 opj_event_msg(p_manager, EVT_ERROR,
9788 "Error reading SPCod SPCoc element, Invalid code-block style found\n");
9789 return OPJ_FALSE;
9790 }
9791
9792 opj_read_bytes(l_current_ptr, &l_tccp->qmfbid, 1); /* SPcoc (H) */
9793 ++l_current_ptr;
9794
9795 *p_header_size = *p_header_size - 5;
9796
9797 /* use custom precinct size ? */
9798 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
9799 if (*p_header_size < l_tccp->numresolutions) {
9800 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
9801 return OPJ_FALSE;
9802 }
9803
9804 for (i = 0; i < l_tccp->numresolutions; ++i) {
9805 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* SPcoc (I_i) */
9806 ++l_current_ptr;
9807 /* Precinct exponent 0 is only allowed for lowest resolution level (Table A.21) */
9808 if ((i != 0) && (((l_tmp & 0xf) == 0) || ((l_tmp >> 4) == 0))) {
9809 opj_event_msg(p_manager, EVT_ERROR, "Invalid precinct size\n");
9810 return OPJ_FALSE;
9811 }
9812 l_tccp->prcw[i] = l_tmp & 0xf;
9813 l_tccp->prch[i] = l_tmp >> 4;
9814 }
9815
9816 *p_header_size = *p_header_size - l_tccp->numresolutions;
9817 } else {
9818 /* set default size for the precinct width and height */
9819 for (i = 0; i < l_tccp->numresolutions; ++i) {
9820 l_tccp->prcw[i] = 15;
9821 l_tccp->prch[i] = 15;
9822 }
9823 }
9824
9825 #ifdef WIP_REMOVE_MSD
9826 /* INDEX >> */
9827 if (p_j2k->cstr_info && compno == 0) {
9828 OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32);
9829
9830 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkh =
9831 l_tccp->cblkh;
9832 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkw =
9833 l_tccp->cblkw;
9834 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].numresolutions
9835 = l_tccp->numresolutions;
9836 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblksty =
9837 l_tccp->cblksty;
9838 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].qmfbid =
9839 l_tccp->qmfbid;
9840
9841 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx, l_tccp->prcw,
9842 l_data_size);
9843 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy, l_tccp->prch,
9844 l_data_size);
9845 }
9846 /* << INDEX */
9847 #endif
9848
9849 return OPJ_TRUE;
9850 }
9851
opj_j2k_copy_tile_component_parameters(opj_j2k_t * p_j2k)9852 static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k)
9853 {
9854 /* loop */
9855 OPJ_UINT32 i;
9856 opj_cp_t *l_cp = NULL;
9857 opj_tcp_t *l_tcp = NULL;
9858 opj_tccp_t *l_ref_tccp = NULL, *l_copied_tccp = NULL;
9859 OPJ_UINT32 l_prc_size;
9860
9861 /* preconditions */
9862 assert(p_j2k != 00);
9863
9864 l_cp = &(p_j2k->m_cp);
9865 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
9866 ?
9867 &l_cp->tcps[p_j2k->m_current_tile_number] :
9868 p_j2k->m_specific_param.m_decoder.m_default_tcp;
9869
9870 l_ref_tccp = &l_tcp->tccps[0];
9871 l_copied_tccp = l_ref_tccp + 1;
9872 l_prc_size = l_ref_tccp->numresolutions * (OPJ_UINT32)sizeof(OPJ_UINT32);
9873
9874 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
9875 l_copied_tccp->numresolutions = l_ref_tccp->numresolutions;
9876 l_copied_tccp->cblkw = l_ref_tccp->cblkw;
9877 l_copied_tccp->cblkh = l_ref_tccp->cblkh;
9878 l_copied_tccp->cblksty = l_ref_tccp->cblksty;
9879 l_copied_tccp->qmfbid = l_ref_tccp->qmfbid;
9880 memcpy(l_copied_tccp->prcw, l_ref_tccp->prcw, l_prc_size);
9881 memcpy(l_copied_tccp->prch, l_ref_tccp->prch, l_prc_size);
9882 ++l_copied_tccp;
9883 }
9884 }
9885
opj_j2k_get_SQcd_SQcc_size(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no)9886 static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
9887 OPJ_UINT32 p_tile_no,
9888 OPJ_UINT32 p_comp_no)
9889 {
9890 OPJ_UINT32 l_num_bands;
9891
9892 opj_cp_t *l_cp = 00;
9893 opj_tcp_t *l_tcp = 00;
9894 opj_tccp_t *l_tccp = 00;
9895
9896 /* preconditions */
9897 assert(p_j2k != 00);
9898
9899 l_cp = &(p_j2k->m_cp);
9900 l_tcp = &l_cp->tcps[p_tile_no];
9901 l_tccp = &l_tcp->tccps[p_comp_no];
9902
9903 /* preconditions again */
9904 assert(p_tile_no < l_cp->tw * l_cp->th);
9905 assert(p_comp_no < p_j2k->m_private_image->numcomps);
9906
9907 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
9908 (l_tccp->numresolutions * 3 - 2);
9909
9910 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
9911 return 1 + l_num_bands;
9912 } else {
9913 return 1 + 2 * l_num_bands;
9914 }
9915 }
9916
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)9917 static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
9918 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
9919 {
9920 opj_cp_t *l_cp = NULL;
9921 opj_tcp_t *l_tcp = NULL;
9922 opj_tccp_t *l_tccp0 = NULL;
9923 opj_tccp_t *l_tccp1 = NULL;
9924 OPJ_UINT32 l_band_no, l_num_bands;
9925
9926 /* preconditions */
9927 assert(p_j2k != 00);
9928
9929 l_cp = &(p_j2k->m_cp);
9930 l_tcp = &l_cp->tcps[p_tile_no];
9931 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
9932 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
9933
9934 if (l_tccp0->qntsty != l_tccp1->qntsty) {
9935 return OPJ_FALSE;
9936 }
9937 if (l_tccp0->numgbits != l_tccp1->numgbits) {
9938 return OPJ_FALSE;
9939 }
9940 if (l_tccp0->qntsty == J2K_CCP_QNTSTY_SIQNT) {
9941 l_num_bands = 1U;
9942 } else {
9943 l_num_bands = l_tccp0->numresolutions * 3U - 2U;
9944 if (l_num_bands != (l_tccp1->numresolutions * 3U - 2U)) {
9945 return OPJ_FALSE;
9946 }
9947 }
9948
9949 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
9950 if (l_tccp0->stepsizes[l_band_no].expn != l_tccp1->stepsizes[l_band_no].expn) {
9951 return OPJ_FALSE;
9952 }
9953 }
9954 if (l_tccp0->qntsty != J2K_CCP_QNTSTY_NOQNT) {
9955 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
9956 if (l_tccp0->stepsizes[l_band_no].mant != l_tccp1->stepsizes[l_band_no].mant) {
9957 return OPJ_FALSE;
9958 }
9959 }
9960 }
9961 return OPJ_TRUE;
9962 }
9963
9964
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)9965 static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
9966 OPJ_UINT32 p_tile_no,
9967 OPJ_UINT32 p_comp_no,
9968 OPJ_BYTE * p_data,
9969 OPJ_UINT32 * p_header_size,
9970 struct opj_event_mgr * p_manager)
9971 {
9972 OPJ_UINT32 l_header_size;
9973 OPJ_UINT32 l_band_no, l_num_bands;
9974 OPJ_UINT32 l_expn, l_mant;
9975
9976 opj_cp_t *l_cp = 00;
9977 opj_tcp_t *l_tcp = 00;
9978 opj_tccp_t *l_tccp = 00;
9979
9980 /* preconditions */
9981 assert(p_j2k != 00);
9982 assert(p_header_size != 00);
9983 assert(p_manager != 00);
9984 assert(p_data != 00);
9985
9986 l_cp = &(p_j2k->m_cp);
9987 l_tcp = &l_cp->tcps[p_tile_no];
9988 l_tccp = &l_tcp->tccps[p_comp_no];
9989
9990 /* preconditions again */
9991 assert(p_tile_no < l_cp->tw * l_cp->th);
9992 assert(p_comp_no < p_j2k->m_private_image->numcomps);
9993
9994 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
9995 (l_tccp->numresolutions * 3 - 2);
9996
9997 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
9998 l_header_size = 1 + l_num_bands;
9999
10000 if (*p_header_size < l_header_size) {
10001 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
10002 return OPJ_FALSE;
10003 }
10004
10005 opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
10006 1); /* Sqcx */
10007 ++p_data;
10008
10009 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10010 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
10011 opj_write_bytes(p_data, l_expn << 3, 1); /* SPqcx_i */
10012 ++p_data;
10013 }
10014 } else {
10015 l_header_size = 1 + 2 * l_num_bands;
10016
10017 if (*p_header_size < l_header_size) {
10018 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
10019 return OPJ_FALSE;
10020 }
10021
10022 opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
10023 1); /* Sqcx */
10024 ++p_data;
10025
10026 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10027 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
10028 l_mant = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].mant;
10029
10030 opj_write_bytes(p_data, (l_expn << 11) + l_mant, 2); /* SPqcx_i */
10031 p_data += 2;
10032 }
10033 }
10034
10035 *p_header_size = *p_header_size - l_header_size;
10036
10037 return OPJ_TRUE;
10038 }
10039
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)10040 static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
10041 OPJ_UINT32 p_comp_no,
10042 OPJ_BYTE* p_header_data,
10043 OPJ_UINT32 * p_header_size,
10044 opj_event_mgr_t * p_manager
10045 )
10046 {
10047 /* loop*/
10048 OPJ_UINT32 l_band_no;
10049 opj_cp_t *l_cp = 00;
10050 opj_tcp_t *l_tcp = 00;
10051 opj_tccp_t *l_tccp = 00;
10052 OPJ_BYTE * l_current_ptr = 00;
10053 OPJ_UINT32 l_tmp, l_num_band;
10054
10055 /* preconditions*/
10056 assert(p_j2k != 00);
10057 assert(p_manager != 00);
10058 assert(p_header_data != 00);
10059
10060 l_cp = &(p_j2k->m_cp);
10061 /* come from tile part header or main header ?*/
10062 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
10063 ?
10064 &l_cp->tcps[p_j2k->m_current_tile_number] :
10065 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10066
10067 /* precondition again*/
10068 if (p_comp_no >= p_j2k->m_private_image->numcomps) {
10069 return OPJ_FALSE;
10070 }
10071
10072 l_tccp = &l_tcp->tccps[p_comp_no];
10073 l_current_ptr = p_header_data;
10074
10075 if (*p_header_size < 1) {
10076 opj_event_msg(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n");
10077 return OPJ_FALSE;
10078 }
10079 *p_header_size -= 1;
10080
10081 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* Sqcx */
10082 ++l_current_ptr;
10083
10084 l_tccp->qntsty = l_tmp & 0x1f;
10085 l_tccp->numgbits = l_tmp >> 5;
10086 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
10087 l_num_band = 1;
10088 } else {
10089 l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ?
10090 (*p_header_size) :
10091 (*p_header_size) / 2;
10092
10093 if (l_num_band > OPJ_J2K_MAXBANDS) {
10094 opj_event_msg(p_manager, EVT_WARNING,
10095 "While reading CCP_QNTSTY element inside QCD or QCC marker segment, "
10096 "number of subbands (%d) is greater to OPJ_J2K_MAXBANDS (%d). So we limit the number of elements stored to "
10097 "OPJ_J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, OPJ_J2K_MAXBANDS,
10098 OPJ_J2K_MAXBANDS);
10099 /*return OPJ_FALSE;*/
10100 }
10101 }
10102
10103 #ifdef USE_JPWL
10104 if (l_cp->correct) {
10105
10106 /* if JPWL is on, we check whether there are too many subbands */
10107 if (/*(l_num_band < 0) ||*/ (l_num_band >= OPJ_J2K_MAXBANDS)) {
10108 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
10109 "JPWL: bad number of subbands in Sqcx (%d)\n",
10110 l_num_band);
10111 if (!JPWL_ASSUME) {
10112 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
10113 return OPJ_FALSE;
10114 }
10115 /* we try to correct */
10116 l_num_band = 1;
10117 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n"
10118 "- setting number of bands to %d => HYPOTHESIS!!!\n",
10119 l_num_band);
10120 };
10121
10122 };
10123 #endif /* USE_JPWL */
10124
10125 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
10126 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
10127 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* SPqcx_i */
10128 ++l_current_ptr;
10129 if (l_band_no < OPJ_J2K_MAXBANDS) {
10130 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 3);
10131 l_tccp->stepsizes[l_band_no].mant = 0;
10132 }
10133 }
10134 *p_header_size = *p_header_size - l_num_band;
10135 } else {
10136 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
10137 opj_read_bytes(l_current_ptr, &l_tmp, 2); /* SPqcx_i */
10138 l_current_ptr += 2;
10139 if (l_band_no < OPJ_J2K_MAXBANDS) {
10140 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 11);
10141 l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff;
10142 }
10143 }
10144 *p_header_size = *p_header_size - 2 * l_num_band;
10145 }
10146
10147 /* Add Antonin : if scalar_derived -> compute other stepsizes */
10148 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
10149 for (l_band_no = 1; l_band_no < OPJ_J2K_MAXBANDS; l_band_no++) {
10150 l_tccp->stepsizes[l_band_no].expn =
10151 ((OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) > 0)
10152 ?
10153 (OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) : 0;
10154 l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
10155 }
10156 }
10157
10158 return OPJ_TRUE;
10159 }
10160
opj_j2k_copy_tile_quantization_parameters(opj_j2k_t * p_j2k)10161 static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k)
10162 {
10163 OPJ_UINT32 i;
10164 opj_cp_t *l_cp = NULL;
10165 opj_tcp_t *l_tcp = NULL;
10166 opj_tccp_t *l_ref_tccp = NULL;
10167 opj_tccp_t *l_copied_tccp = NULL;
10168 OPJ_UINT32 l_size;
10169
10170 /* preconditions */
10171 assert(p_j2k != 00);
10172
10173 l_cp = &(p_j2k->m_cp);
10174 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
10175 &l_cp->tcps[p_j2k->m_current_tile_number] :
10176 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10177
10178 l_ref_tccp = &l_tcp->tccps[0];
10179 l_copied_tccp = l_ref_tccp + 1;
10180 l_size = OPJ_J2K_MAXBANDS * sizeof(opj_stepsize_t);
10181
10182 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
10183 l_copied_tccp->qntsty = l_ref_tccp->qntsty;
10184 l_copied_tccp->numgbits = l_ref_tccp->numgbits;
10185 memcpy(l_copied_tccp->stepsizes, l_ref_tccp->stepsizes, l_size);
10186 ++l_copied_tccp;
10187 }
10188 }
10189
opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,OPJ_INT32 numcomps,FILE * out_stream)10190 static void opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,
10191 OPJ_INT32 numcomps, FILE* out_stream)
10192 {
10193 if (l_default_tile) {
10194 OPJ_INT32 compno;
10195
10196 fprintf(out_stream, "\t default tile {\n");
10197 fprintf(out_stream, "\t\t csty=%#x\n", l_default_tile->csty);
10198 fprintf(out_stream, "\t\t prg=%#x\n", l_default_tile->prg);
10199 fprintf(out_stream, "\t\t numlayers=%d\n", l_default_tile->numlayers);
10200 fprintf(out_stream, "\t\t mct=%x\n", l_default_tile->mct);
10201
10202 for (compno = 0; compno < numcomps; compno++) {
10203 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
10204 OPJ_UINT32 resno;
10205 OPJ_INT32 bandno, numbands;
10206
10207 /* coding style*/
10208 fprintf(out_stream, "\t\t comp %d {\n", compno);
10209 fprintf(out_stream, "\t\t\t csty=%#x\n", l_tccp->csty);
10210 fprintf(out_stream, "\t\t\t numresolutions=%d\n", l_tccp->numresolutions);
10211 fprintf(out_stream, "\t\t\t cblkw=2^%d\n", l_tccp->cblkw);
10212 fprintf(out_stream, "\t\t\t cblkh=2^%d\n", l_tccp->cblkh);
10213 fprintf(out_stream, "\t\t\t cblksty=%#x\n", l_tccp->cblksty);
10214 fprintf(out_stream, "\t\t\t qmfbid=%d\n", l_tccp->qmfbid);
10215
10216 fprintf(out_stream, "\t\t\t preccintsize (w,h)=");
10217 for (resno = 0; resno < l_tccp->numresolutions; resno++) {
10218 fprintf(out_stream, "(%d,%d) ", l_tccp->prcw[resno], l_tccp->prch[resno]);
10219 }
10220 fprintf(out_stream, "\n");
10221
10222 /* quantization style*/
10223 fprintf(out_stream, "\t\t\t qntsty=%d\n", l_tccp->qntsty);
10224 fprintf(out_stream, "\t\t\t numgbits=%d\n", l_tccp->numgbits);
10225 fprintf(out_stream, "\t\t\t stepsizes (m,e)=");
10226 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10227 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
10228 for (bandno = 0; bandno < numbands; bandno++) {
10229 fprintf(out_stream, "(%d,%d) ", l_tccp->stepsizes[bandno].mant,
10230 l_tccp->stepsizes[bandno].expn);
10231 }
10232 fprintf(out_stream, "\n");
10233
10234 /* RGN value*/
10235 fprintf(out_stream, "\t\t\t roishift=%d\n", l_tccp->roishift);
10236
10237 fprintf(out_stream, "\t\t }\n");
10238 } /*end of component of default tile*/
10239 fprintf(out_stream, "\t }\n"); /*end of default tile*/
10240 }
10241 }
10242
j2k_dump(opj_j2k_t * p_j2k,OPJ_INT32 flag,FILE * out_stream)10243 void j2k_dump(opj_j2k_t* p_j2k, OPJ_INT32 flag, FILE* out_stream)
10244 {
10245 /* Check if the flag is compatible with j2k file*/
10246 if ((flag & OPJ_JP2_INFO) || (flag & OPJ_JP2_IND)) {
10247 fprintf(out_stream, "Wrong flag\n");
10248 return;
10249 }
10250
10251 /* Dump the image_header */
10252 if (flag & OPJ_IMG_INFO) {
10253 if (p_j2k->m_private_image) {
10254 j2k_dump_image_header(p_j2k->m_private_image, 0, out_stream);
10255 }
10256 }
10257
10258 /* Dump the codestream info from main header */
10259 if (flag & OPJ_J2K_MH_INFO) {
10260 if (p_j2k->m_private_image) {
10261 opj_j2k_dump_MH_info(p_j2k, out_stream);
10262 }
10263 }
10264 /* Dump all tile/codestream info */
10265 if (flag & OPJ_J2K_TCH_INFO) {
10266 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
10267 OPJ_UINT32 i;
10268 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
10269 if (p_j2k->m_private_image) {
10270 for (i = 0; i < l_nb_tiles; ++i) {
10271 opj_j2k_dump_tile_info(l_tcp, (OPJ_INT32)p_j2k->m_private_image->numcomps,
10272 out_stream);
10273 ++l_tcp;
10274 }
10275 }
10276 }
10277
10278 /* Dump the codestream info of the current tile */
10279 if (flag & OPJ_J2K_TH_INFO) {
10280
10281 }
10282
10283 /* Dump the codestream index from main header */
10284 if (flag & OPJ_J2K_MH_IND) {
10285 opj_j2k_dump_MH_index(p_j2k, out_stream);
10286 }
10287
10288 /* Dump the codestream index of the current tile */
10289 if (flag & OPJ_J2K_TH_IND) {
10290
10291 }
10292
10293 }
10294
opj_j2k_dump_MH_index(opj_j2k_t * p_j2k,FILE * out_stream)10295 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream)
10296 {
10297 opj_codestream_index_t* cstr_index = p_j2k->cstr_index;
10298 OPJ_UINT32 it_marker, it_tile, it_tile_part;
10299
10300 fprintf(out_stream, "Codestream index from main header: {\n");
10301
10302 fprintf(out_stream, "\t Main header start position=%" PRIi64 "\n"
10303 "\t Main header end position=%" PRIi64 "\n",
10304 cstr_index->main_head_start, cstr_index->main_head_end);
10305
10306 fprintf(out_stream, "\t Marker list: {\n");
10307
10308 if (cstr_index->marker) {
10309 for (it_marker = 0; it_marker < cstr_index->marknum ; it_marker++) {
10310 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
10311 cstr_index->marker[it_marker].type,
10312 cstr_index->marker[it_marker].pos,
10313 cstr_index->marker[it_marker].len);
10314 }
10315 }
10316
10317 fprintf(out_stream, "\t }\n");
10318
10319 if (cstr_index->tile_index) {
10320
10321 /* Simple test to avoid to write empty information*/
10322 OPJ_UINT32 l_acc_nb_of_tile_part = 0;
10323 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
10324 l_acc_nb_of_tile_part += cstr_index->tile_index[it_tile].nb_tps;
10325 }
10326
10327 if (l_acc_nb_of_tile_part) {
10328 fprintf(out_stream, "\t Tile index: {\n");
10329
10330 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
10331 OPJ_UINT32 nb_of_tile_part = cstr_index->tile_index[it_tile].nb_tps;
10332
10333 fprintf(out_stream, "\t\t nb of tile-part in tile [%d]=%d\n", it_tile,
10334 nb_of_tile_part);
10335
10336 if (cstr_index->tile_index[it_tile].tp_index) {
10337 for (it_tile_part = 0; it_tile_part < nb_of_tile_part; it_tile_part++) {
10338 fprintf(out_stream, "\t\t\t tile-part[%d]: star_pos=%" PRIi64 ", end_header=%"
10339 PRIi64 ", end_pos=%" PRIi64 ".\n",
10340 it_tile_part,
10341 cstr_index->tile_index[it_tile].tp_index[it_tile_part].start_pos,
10342 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_header,
10343 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_pos);
10344 }
10345 }
10346
10347 if (cstr_index->tile_index[it_tile].marker) {
10348 for (it_marker = 0; it_marker < cstr_index->tile_index[it_tile].marknum ;
10349 it_marker++) {
10350 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
10351 cstr_index->tile_index[it_tile].marker[it_marker].type,
10352 cstr_index->tile_index[it_tile].marker[it_marker].pos,
10353 cstr_index->tile_index[it_tile].marker[it_marker].len);
10354 }
10355 }
10356 }
10357 fprintf(out_stream, "\t }\n");
10358 }
10359 }
10360
10361 fprintf(out_stream, "}\n");
10362
10363 }
10364
10365
opj_j2k_dump_MH_info(opj_j2k_t * p_j2k,FILE * out_stream)10366 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream)
10367 {
10368
10369 fprintf(out_stream, "Codestream info from main header: {\n");
10370
10371 fprintf(out_stream, "\t tx0=%d, ty0=%d\n", p_j2k->m_cp.tx0, p_j2k->m_cp.ty0);
10372 fprintf(out_stream, "\t tdx=%d, tdy=%d\n", p_j2k->m_cp.tdx, p_j2k->m_cp.tdy);
10373 fprintf(out_stream, "\t tw=%d, th=%d\n", p_j2k->m_cp.tw, p_j2k->m_cp.th);
10374 opj_j2k_dump_tile_info(p_j2k->m_specific_param.m_decoder.m_default_tcp,
10375 (OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream);
10376 fprintf(out_stream, "}\n");
10377 }
10378
j2k_dump_image_header(opj_image_t * img_header,OPJ_BOOL dev_dump_flag,FILE * out_stream)10379 void j2k_dump_image_header(opj_image_t* img_header, OPJ_BOOL dev_dump_flag,
10380 FILE* out_stream)
10381 {
10382 char tab[2];
10383
10384 if (dev_dump_flag) {
10385 fprintf(stdout, "[DEV] Dump an image_header struct {\n");
10386 tab[0] = '\0';
10387 } else {
10388 fprintf(out_stream, "Image info {\n");
10389 tab[0] = '\t';
10390 tab[1] = '\0';
10391 }
10392
10393 fprintf(out_stream, "%s x0=%d, y0=%d\n", tab, img_header->x0, img_header->y0);
10394 fprintf(out_stream, "%s x1=%d, y1=%d\n", tab, img_header->x1,
10395 img_header->y1);
10396 fprintf(out_stream, "%s numcomps=%d\n", tab, img_header->numcomps);
10397
10398 if (img_header->comps) {
10399 OPJ_UINT32 compno;
10400 for (compno = 0; compno < img_header->numcomps; compno++) {
10401 fprintf(out_stream, "%s\t component %d {\n", tab, compno);
10402 j2k_dump_image_comp_header(&(img_header->comps[compno]), dev_dump_flag,
10403 out_stream);
10404 fprintf(out_stream, "%s}\n", tab);
10405 }
10406 }
10407
10408 fprintf(out_stream, "}\n");
10409 }
10410
j2k_dump_image_comp_header(opj_image_comp_t * comp_header,OPJ_BOOL dev_dump_flag,FILE * out_stream)10411 void j2k_dump_image_comp_header(opj_image_comp_t* comp_header,
10412 OPJ_BOOL dev_dump_flag, FILE* out_stream)
10413 {
10414 char tab[3];
10415
10416 if (dev_dump_flag) {
10417 fprintf(stdout, "[DEV] Dump an image_comp_header struct {\n");
10418 tab[0] = '\0';
10419 } else {
10420 tab[0] = '\t';
10421 tab[1] = '\t';
10422 tab[2] = '\0';
10423 }
10424
10425 fprintf(out_stream, "%s dx=%d, dy=%d\n", tab, comp_header->dx, comp_header->dy);
10426 fprintf(out_stream, "%s prec=%d\n", tab, comp_header->prec);
10427 fprintf(out_stream, "%s sgnd=%d\n", tab, comp_header->sgnd);
10428
10429 if (dev_dump_flag) {
10430 fprintf(out_stream, "}\n");
10431 }
10432 }
10433
j2k_get_cstr_info(opj_j2k_t * p_j2k)10434 opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_t* p_j2k)
10435 {
10436 OPJ_UINT32 compno;
10437 OPJ_UINT32 numcomps = p_j2k->m_private_image->numcomps;
10438 opj_tcp_t *l_default_tile;
10439 opj_codestream_info_v2_t* cstr_info = (opj_codestream_info_v2_t*) opj_calloc(1,
10440 sizeof(opj_codestream_info_v2_t));
10441 if (!cstr_info) {
10442 return NULL;
10443 }
10444
10445 cstr_info->nbcomps = p_j2k->m_private_image->numcomps;
10446
10447 cstr_info->tx0 = p_j2k->m_cp.tx0;
10448 cstr_info->ty0 = p_j2k->m_cp.ty0;
10449 cstr_info->tdx = p_j2k->m_cp.tdx;
10450 cstr_info->tdy = p_j2k->m_cp.tdy;
10451 cstr_info->tw = p_j2k->m_cp.tw;
10452 cstr_info->th = p_j2k->m_cp.th;
10453
10454 cstr_info->tile_info = NULL; /* Not fill from the main header*/
10455
10456 l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
10457
10458 cstr_info->m_default_tile_info.csty = l_default_tile->csty;
10459 cstr_info->m_default_tile_info.prg = l_default_tile->prg;
10460 cstr_info->m_default_tile_info.numlayers = l_default_tile->numlayers;
10461 cstr_info->m_default_tile_info.mct = l_default_tile->mct;
10462
10463 cstr_info->m_default_tile_info.tccp_info = (opj_tccp_info_t*) opj_calloc(
10464 cstr_info->nbcomps, sizeof(opj_tccp_info_t));
10465 if (!cstr_info->m_default_tile_info.tccp_info) {
10466 opj_destroy_cstr_info(&cstr_info);
10467 return NULL;
10468 }
10469
10470 for (compno = 0; compno < numcomps; compno++) {
10471 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
10472 opj_tccp_info_t *l_tccp_info = &
10473 (cstr_info->m_default_tile_info.tccp_info[compno]);
10474 OPJ_INT32 bandno, numbands;
10475
10476 /* coding style*/
10477 l_tccp_info->csty = l_tccp->csty;
10478 l_tccp_info->numresolutions = l_tccp->numresolutions;
10479 l_tccp_info->cblkw = l_tccp->cblkw;
10480 l_tccp_info->cblkh = l_tccp->cblkh;
10481 l_tccp_info->cblksty = l_tccp->cblksty;
10482 l_tccp_info->qmfbid = l_tccp->qmfbid;
10483 if (l_tccp->numresolutions < OPJ_J2K_MAXRLVLS) {
10484 memcpy(l_tccp_info->prch, l_tccp->prch, l_tccp->numresolutions);
10485 memcpy(l_tccp_info->prcw, l_tccp->prcw, l_tccp->numresolutions);
10486 }
10487
10488 /* quantization style*/
10489 l_tccp_info->qntsty = l_tccp->qntsty;
10490 l_tccp_info->numgbits = l_tccp->numgbits;
10491
10492 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10493 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
10494 if (numbands < OPJ_J2K_MAXBANDS) {
10495 for (bandno = 0; bandno < numbands; bandno++) {
10496 l_tccp_info->stepsizes_mant[bandno] = (OPJ_UINT32)
10497 l_tccp->stepsizes[bandno].mant;
10498 l_tccp_info->stepsizes_expn[bandno] = (OPJ_UINT32)
10499 l_tccp->stepsizes[bandno].expn;
10500 }
10501 }
10502
10503 /* RGN value*/
10504 l_tccp_info->roishift = l_tccp->roishift;
10505 }
10506
10507 return cstr_info;
10508 }
10509
j2k_get_cstr_index(opj_j2k_t * p_j2k)10510 opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_t* p_j2k)
10511 {
10512 opj_codestream_index_t* l_cstr_index = (opj_codestream_index_t*)
10513 opj_calloc(1, sizeof(opj_codestream_index_t));
10514 if (!l_cstr_index) {
10515 return NULL;
10516 }
10517
10518 l_cstr_index->main_head_start = p_j2k->cstr_index->main_head_start;
10519 l_cstr_index->main_head_end = p_j2k->cstr_index->main_head_end;
10520 l_cstr_index->codestream_size = p_j2k->cstr_index->codestream_size;
10521
10522 l_cstr_index->marknum = p_j2k->cstr_index->marknum;
10523 l_cstr_index->marker = (opj_marker_info_t*)opj_malloc(l_cstr_index->marknum *
10524 sizeof(opj_marker_info_t));
10525 if (!l_cstr_index->marker) {
10526 opj_free(l_cstr_index);
10527 return NULL;
10528 }
10529
10530 if (p_j2k->cstr_index->marker) {
10531 memcpy(l_cstr_index->marker, p_j2k->cstr_index->marker,
10532 l_cstr_index->marknum * sizeof(opj_marker_info_t));
10533 } else {
10534 opj_free(l_cstr_index->marker);
10535 l_cstr_index->marker = NULL;
10536 }
10537
10538 l_cstr_index->nb_of_tiles = p_j2k->cstr_index->nb_of_tiles;
10539 l_cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
10540 l_cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
10541 if (!l_cstr_index->tile_index) {
10542 opj_free(l_cstr_index->marker);
10543 opj_free(l_cstr_index);
10544 return NULL;
10545 }
10546
10547 if (!p_j2k->cstr_index->tile_index) {
10548 opj_free(l_cstr_index->tile_index);
10549 l_cstr_index->tile_index = NULL;
10550 } else {
10551 OPJ_UINT32 it_tile = 0;
10552 for (it_tile = 0; it_tile < l_cstr_index->nb_of_tiles; it_tile++) {
10553
10554 /* Tile Marker*/
10555 l_cstr_index->tile_index[it_tile].marknum =
10556 p_j2k->cstr_index->tile_index[it_tile].marknum;
10557
10558 l_cstr_index->tile_index[it_tile].marker =
10559 (opj_marker_info_t*)opj_malloc(l_cstr_index->tile_index[it_tile].marknum *
10560 sizeof(opj_marker_info_t));
10561
10562 if (!l_cstr_index->tile_index[it_tile].marker) {
10563 OPJ_UINT32 it_tile_free;
10564
10565 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
10566 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
10567 }
10568
10569 opj_free(l_cstr_index->tile_index);
10570 opj_free(l_cstr_index->marker);
10571 opj_free(l_cstr_index);
10572 return NULL;
10573 }
10574
10575 if (p_j2k->cstr_index->tile_index[it_tile].marker)
10576 memcpy(l_cstr_index->tile_index[it_tile].marker,
10577 p_j2k->cstr_index->tile_index[it_tile].marker,
10578 l_cstr_index->tile_index[it_tile].marknum * sizeof(opj_marker_info_t));
10579 else {
10580 opj_free(l_cstr_index->tile_index[it_tile].marker);
10581 l_cstr_index->tile_index[it_tile].marker = NULL;
10582 }
10583
10584 /* Tile part index*/
10585 l_cstr_index->tile_index[it_tile].nb_tps =
10586 p_j2k->cstr_index->tile_index[it_tile].nb_tps;
10587
10588 l_cstr_index->tile_index[it_tile].tp_index =
10589 (opj_tp_index_t*)opj_malloc(l_cstr_index->tile_index[it_tile].nb_tps * sizeof(
10590 opj_tp_index_t));
10591
10592 if (!l_cstr_index->tile_index[it_tile].tp_index) {
10593 OPJ_UINT32 it_tile_free;
10594
10595 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
10596 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
10597 opj_free(l_cstr_index->tile_index[it_tile_free].tp_index);
10598 }
10599
10600 opj_free(l_cstr_index->tile_index);
10601 opj_free(l_cstr_index->marker);
10602 opj_free(l_cstr_index);
10603 return NULL;
10604 }
10605
10606 if (p_j2k->cstr_index->tile_index[it_tile].tp_index) {
10607 memcpy(l_cstr_index->tile_index[it_tile].tp_index,
10608 p_j2k->cstr_index->tile_index[it_tile].tp_index,
10609 l_cstr_index->tile_index[it_tile].nb_tps * sizeof(opj_tp_index_t));
10610 } else {
10611 opj_free(l_cstr_index->tile_index[it_tile].tp_index);
10612 l_cstr_index->tile_index[it_tile].tp_index = NULL;
10613 }
10614
10615 /* Packet index (NOT USED)*/
10616 l_cstr_index->tile_index[it_tile].nb_packet = 0;
10617 l_cstr_index->tile_index[it_tile].packet_index = NULL;
10618
10619 }
10620 }
10621
10622 return l_cstr_index;
10623 }
10624
opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t * p_j2k)10625 static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k)
10626 {
10627 OPJ_UINT32 it_tile = 0;
10628
10629 p_j2k->cstr_index->nb_of_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
10630 p_j2k->cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
10631 p_j2k->cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
10632 if (!p_j2k->cstr_index->tile_index) {
10633 return OPJ_FALSE;
10634 }
10635
10636 for (it_tile = 0; it_tile < p_j2k->cstr_index->nb_of_tiles; it_tile++) {
10637 p_j2k->cstr_index->tile_index[it_tile].maxmarknum = 100;
10638 p_j2k->cstr_index->tile_index[it_tile].marknum = 0;
10639 p_j2k->cstr_index->tile_index[it_tile].marker = (opj_marker_info_t*)
10640 opj_calloc(p_j2k->cstr_index->tile_index[it_tile].maxmarknum,
10641 sizeof(opj_marker_info_t));
10642 if (!p_j2k->cstr_index->tile_index[it_tile].marker) {
10643 return OPJ_FALSE;
10644 }
10645 }
10646
10647 return OPJ_TRUE;
10648 }
10649
opj_j2k_decode_tiles(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)10650 static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
10651 opj_stream_private_t *p_stream,
10652 opj_event_mgr_t * p_manager)
10653 {
10654 OPJ_BOOL l_go_on = OPJ_TRUE;
10655 OPJ_UINT32 l_current_tile_no;
10656 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
10657 OPJ_UINT32 l_nb_comps;
10658 OPJ_UINT32 nr_tiles = 0;
10659
10660 /* Particular case for whole single tile decoding */
10661 /* We can avoid allocating intermediate tile buffers */
10662 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10663 p_j2k->m_cp.tx0 == 0 && p_j2k->m_cp.ty0 == 0 &&
10664 p_j2k->m_output_image->x0 == 0 &&
10665 p_j2k->m_output_image->y0 == 0 &&
10666 p_j2k->m_output_image->x1 == p_j2k->m_cp.tdx &&
10667 p_j2k->m_output_image->y1 == p_j2k->m_cp.tdy) {
10668 OPJ_UINT32 i;
10669 if (! opj_j2k_read_tile_header(p_j2k,
10670 &l_current_tile_no,
10671 NULL,
10672 &l_tile_x0, &l_tile_y0,
10673 &l_tile_x1, &l_tile_y1,
10674 &l_nb_comps,
10675 &l_go_on,
10676 p_stream,
10677 p_manager)) {
10678 return OPJ_FALSE;
10679 }
10680
10681 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
10682 p_stream, p_manager)) {
10683 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile 1/1\n");
10684 return OPJ_FALSE;
10685 }
10686
10687 /* Transfer TCD data to output image data */
10688 for (i = 0; i < p_j2k->m_output_image->numcomps; i++) {
10689 opj_image_data_free(p_j2k->m_output_image->comps[i].data);
10690 p_j2k->m_output_image->comps[i].data =
10691 p_j2k->m_tcd->tcd_image->tiles->comps[i].data;
10692 p_j2k->m_output_image->comps[i].resno_decoded =
10693 p_j2k->m_tcd->image->comps[i].resno_decoded;
10694 p_j2k->m_tcd->tcd_image->tiles->comps[i].data = NULL;
10695 }
10696
10697 return OPJ_TRUE;
10698 }
10699
10700 for (;;) {
10701 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10702 p_j2k->m_cp.tcps[0].m_data != NULL) {
10703 l_current_tile_no = 0;
10704 p_j2k->m_current_tile_number = 0;
10705 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
10706 } else {
10707 if (! opj_j2k_read_tile_header(p_j2k,
10708 &l_current_tile_no,
10709 NULL,
10710 &l_tile_x0, &l_tile_y0,
10711 &l_tile_x1, &l_tile_y1,
10712 &l_nb_comps,
10713 &l_go_on,
10714 p_stream,
10715 p_manager)) {
10716 return OPJ_FALSE;
10717 }
10718
10719 if (! l_go_on) {
10720 break;
10721 }
10722 }
10723
10724 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
10725 p_stream, p_manager)) {
10726 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile %d/%d\n",
10727 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
10728 return OPJ_FALSE;
10729 }
10730
10731 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
10732 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
10733
10734 if (! opj_j2k_update_image_data(p_j2k->m_tcd,
10735 p_j2k->m_output_image)) {
10736 return OPJ_FALSE;
10737 }
10738
10739 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10740 !(p_j2k->m_output_image->x0 == p_j2k->m_private_image->x0 &&
10741 p_j2k->m_output_image->y0 == p_j2k->m_private_image->y0 &&
10742 p_j2k->m_output_image->x1 == p_j2k->m_private_image->x1 &&
10743 p_j2k->m_output_image->y1 == p_j2k->m_private_image->y1)) {
10744 /* Keep current tcp data */
10745 } else {
10746 opj_j2k_tcp_data_destroy(&p_j2k->m_cp.tcps[l_current_tile_no]);
10747 }
10748
10749 opj_event_msg(p_manager, EVT_INFO,
10750 "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
10751
10752 if (opj_stream_get_number_byte_left(p_stream) == 0
10753 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
10754 break;
10755 }
10756 if (++nr_tiles == p_j2k->m_cp.th * p_j2k->m_cp.tw) {
10757 break;
10758 }
10759 }
10760
10761 return OPJ_TRUE;
10762 }
10763
10764 /**
10765 * Sets up the procedures to do on decoding data. Developpers wanting to extend the library can add their own reading procedures.
10766 */
opj_j2k_setup_decoding(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)10767 static OPJ_BOOL opj_j2k_setup_decoding(opj_j2k_t *p_j2k,
10768 opj_event_mgr_t * p_manager)
10769 {
10770 /* preconditions*/
10771 assert(p_j2k != 00);
10772 assert(p_manager != 00);
10773
10774 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
10775 (opj_procedure)opj_j2k_decode_tiles, p_manager)) {
10776 return OPJ_FALSE;
10777 }
10778 /* DEVELOPER CORNER, add your custom procedures */
10779
10780 return OPJ_TRUE;
10781 }
10782
10783 /*
10784 * Read and decode one tile.
10785 */
opj_j2k_decode_one_tile(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)10786 static OPJ_BOOL opj_j2k_decode_one_tile(opj_j2k_t *p_j2k,
10787 opj_stream_private_t *p_stream,
10788 opj_event_mgr_t * p_manager)
10789 {
10790 OPJ_BOOL l_go_on = OPJ_TRUE;
10791 OPJ_UINT32 l_current_tile_no;
10792 OPJ_UINT32 l_tile_no_to_dec;
10793 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
10794 OPJ_UINT32 l_nb_comps;
10795 OPJ_UINT32 l_nb_tiles;
10796 OPJ_UINT32 i;
10797
10798 /*Allocate and initialize some elements of codestrem index if not already done*/
10799 if (!p_j2k->cstr_index->tile_index) {
10800 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
10801 return OPJ_FALSE;
10802 }
10803 }
10804 /* Move into the codestream to the first SOT used to decode the desired tile */
10805 l_tile_no_to_dec = (OPJ_UINT32)
10806 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec;
10807 if (p_j2k->cstr_index->tile_index)
10808 if (p_j2k->cstr_index->tile_index->tp_index) {
10809 if (! p_j2k->cstr_index->tile_index[l_tile_no_to_dec].nb_tps) {
10810 /* the index for this tile has not been built,
10811 * so move to the last SOT read */
10812 if (!(opj_stream_read_seek(p_stream,
10813 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos + 2, p_manager))) {
10814 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
10815 return OPJ_FALSE;
10816 }
10817 } else {
10818 if (!(opj_stream_read_seek(p_stream,
10819 p_j2k->cstr_index->tile_index[l_tile_no_to_dec].tp_index[0].start_pos + 2,
10820 p_manager))) {
10821 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
10822 return OPJ_FALSE;
10823 }
10824 }
10825 /* Special case if we have previously read the EOC marker (if the previous tile getted is the last ) */
10826 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
10827 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
10828 }
10829 }
10830
10831 /* Reset current tile part number for all tiles, and not only the one */
10832 /* of interest. */
10833 /* Not completely sure this is always correct but required for */
10834 /* ./build/bin/j2k_random_tile_access ./build/tests/tte1.j2k */
10835 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
10836 for (i = 0; i < l_nb_tiles; ++i) {
10837 p_j2k->m_cp.tcps[i].m_current_tile_part_number = -1;
10838 }
10839
10840 for (;;) {
10841 if (! opj_j2k_read_tile_header(p_j2k,
10842 &l_current_tile_no,
10843 NULL,
10844 &l_tile_x0, &l_tile_y0,
10845 &l_tile_x1, &l_tile_y1,
10846 &l_nb_comps,
10847 &l_go_on,
10848 p_stream,
10849 p_manager)) {
10850 return OPJ_FALSE;
10851 }
10852
10853 if (! l_go_on) {
10854 break;
10855 }
10856
10857 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
10858 p_stream, p_manager)) {
10859 return OPJ_FALSE;
10860 }
10861 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
10862 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
10863
10864 if (! opj_j2k_update_image_data(p_j2k->m_tcd,
10865 p_j2k->m_output_image)) {
10866 return OPJ_FALSE;
10867 }
10868 opj_j2k_tcp_data_destroy(&p_j2k->m_cp.tcps[l_current_tile_no]);
10869
10870 opj_event_msg(p_manager, EVT_INFO,
10871 "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
10872
10873 if (l_current_tile_no == l_tile_no_to_dec) {
10874 /* move into the codestream to the first SOT (FIXME or not move?)*/
10875 if (!(opj_stream_read_seek(p_stream, p_j2k->cstr_index->main_head_end + 2,
10876 p_manager))) {
10877 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
10878 return OPJ_FALSE;
10879 }
10880 break;
10881 } else {
10882 opj_event_msg(p_manager, EVT_WARNING,
10883 "Tile read, decoded and updated is not the desired one (%d vs %d).\n",
10884 l_current_tile_no + 1, l_tile_no_to_dec + 1);
10885 }
10886
10887 }
10888
10889 return OPJ_TRUE;
10890 }
10891
10892 /**
10893 * Sets up the procedures to do on decoding one tile. Developpers wanting to extend the library can add their own reading procedures.
10894 */
opj_j2k_setup_decoding_tile(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)10895 static OPJ_BOOL opj_j2k_setup_decoding_tile(opj_j2k_t *p_j2k,
10896 opj_event_mgr_t * p_manager)
10897 {
10898 /* preconditions*/
10899 assert(p_j2k != 00);
10900 assert(p_manager != 00);
10901
10902 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
10903 (opj_procedure)opj_j2k_decode_one_tile, p_manager)) {
10904 return OPJ_FALSE;
10905 }
10906 /* DEVELOPER CORNER, add your custom procedures */
10907
10908 return OPJ_TRUE;
10909 }
10910
opj_j2k_move_data_from_codec_to_output_image(opj_j2k_t * p_j2k,opj_image_t * p_image)10911 static OPJ_BOOL opj_j2k_move_data_from_codec_to_output_image(opj_j2k_t * p_j2k,
10912 opj_image_t * p_image)
10913 {
10914 OPJ_UINT32 compno;
10915
10916 /* Move data and copy one information from codec to output image*/
10917 if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode > 0) {
10918 opj_image_comp_t* newcomps =
10919 (opj_image_comp_t*) opj_malloc(
10920 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode *
10921 sizeof(opj_image_comp_t));
10922 if (newcomps == NULL) {
10923 opj_image_destroy(p_j2k->m_private_image);
10924 p_j2k->m_private_image = NULL;
10925 return OPJ_FALSE;
10926 }
10927 for (compno = 0; compno < p_image->numcomps; compno++) {
10928 opj_image_data_free(p_image->comps[compno].data);
10929 p_image->comps[compno].data = NULL;
10930 }
10931 for (compno = 0;
10932 compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
10933 OPJ_UINT32 src_compno =
10934 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
10935 memcpy(&(newcomps[compno]),
10936 &(p_j2k->m_output_image->comps[src_compno]),
10937 sizeof(opj_image_comp_t));
10938 newcomps[compno].resno_decoded =
10939 p_j2k->m_output_image->comps[src_compno].resno_decoded;
10940 newcomps[compno].data = p_j2k->m_output_image->comps[src_compno].data;
10941 p_j2k->m_output_image->comps[src_compno].data = NULL;
10942 }
10943 for (compno = 0; compno < p_image->numcomps; compno++) {
10944 assert(p_j2k->m_output_image->comps[compno].data == NULL);
10945 opj_image_data_free(p_j2k->m_output_image->comps[compno].data);
10946 p_j2k->m_output_image->comps[compno].data = NULL;
10947 }
10948 p_image->numcomps = p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode;
10949 opj_free(p_image->comps);
10950 p_image->comps = newcomps;
10951 } else {
10952 for (compno = 0; compno < p_image->numcomps; compno++) {
10953 p_image->comps[compno].resno_decoded =
10954 p_j2k->m_output_image->comps[compno].resno_decoded;
10955 opj_image_data_free(p_image->comps[compno].data);
10956 p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
10957 #if 0
10958 char fn[256];
10959 sprintf(fn, "/tmp/%d.raw", compno);
10960 FILE *debug = fopen(fn, "wb");
10961 fwrite(p_image->comps[compno].data, sizeof(OPJ_INT32),
10962 p_image->comps[compno].w * p_image->comps[compno].h, debug);
10963 fclose(debug);
10964 #endif
10965 p_j2k->m_output_image->comps[compno].data = NULL;
10966 }
10967 }
10968 return OPJ_TRUE;
10969 }
10970
opj_j2k_decode(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_image_t * p_image,opj_event_mgr_t * p_manager)10971 OPJ_BOOL opj_j2k_decode(opj_j2k_t * p_j2k,
10972 opj_stream_private_t * p_stream,
10973 opj_image_t * p_image,
10974 opj_event_mgr_t * p_manager)
10975 {
10976 if (!p_image) {
10977 return OPJ_FALSE;
10978 }
10979
10980 /* Heuristics to detect sequence opj_read_header(), opj_set_decoded_resolution_factor() */
10981 /* and finally opj_decode_image() without manual setting of comps[].factor */
10982 /* We could potentially always execute it, if we don't allow people to do */
10983 /* opj_read_header(), modify x0,y0,x1,y1 of returned image an call opj_decode_image() */
10984 if (p_j2k->m_cp.m_specific_param.m_dec.m_reduce > 0 &&
10985 p_j2k->m_private_image != NULL &&
10986 p_j2k->m_private_image->numcomps > 0 &&
10987 p_j2k->m_private_image->comps[0].factor ==
10988 p_j2k->m_cp.m_specific_param.m_dec.m_reduce &&
10989 p_image->numcomps > 0 &&
10990 p_image->comps[0].factor == 0 &&
10991 /* Don't mess with image dimension if the user has allocated it */
10992 p_image->comps[0].data == NULL) {
10993 OPJ_UINT32 it_comp;
10994
10995 /* Update the comps[].factor member of the output image with the one */
10996 /* of m_reduce */
10997 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
10998 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
10999 }
11000 if (!opj_j2k_update_image_dimensions(p_image, p_manager)) {
11001 return OPJ_FALSE;
11002 }
11003 }
11004
11005 if (p_j2k->m_output_image == NULL) {
11006 p_j2k->m_output_image = opj_image_create0();
11007 if (!(p_j2k->m_output_image)) {
11008 return OPJ_FALSE;
11009 }
11010 }
11011 opj_copy_image_header(p_image, p_j2k->m_output_image);
11012
11013 /* customization of the decoding */
11014 if (!opj_j2k_setup_decoding(p_j2k, p_manager)) {
11015 return OPJ_FALSE;
11016 }
11017
11018 /* Decode the codestream */
11019 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
11020 opj_image_destroy(p_j2k->m_private_image);
11021 p_j2k->m_private_image = NULL;
11022 return OPJ_FALSE;
11023 }
11024
11025 /* Move data and copy one information from codec to output image*/
11026 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
11027 }
11028
opj_j2k_get_tile(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_image_t * p_image,opj_event_mgr_t * p_manager,OPJ_UINT32 tile_index)11029 OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
11030 opj_stream_private_t *p_stream,
11031 opj_image_t* p_image,
11032 opj_event_mgr_t * p_manager,
11033 OPJ_UINT32 tile_index)
11034 {
11035 OPJ_UINT32 compno;
11036 OPJ_UINT32 l_tile_x, l_tile_y;
11037 opj_image_comp_t* l_img_comp;
11038
11039 if (!p_image) {
11040 opj_event_msg(p_manager, EVT_ERROR, "We need an image previously created.\n");
11041 return OPJ_FALSE;
11042 }
11043
11044 if (p_image->numcomps < p_j2k->m_private_image->numcomps) {
11045 opj_event_msg(p_manager, EVT_ERROR,
11046 "Image has less components than codestream.\n");
11047 return OPJ_FALSE;
11048 }
11049
11050 if (/*(tile_index < 0) &&*/ (tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th)) {
11051 opj_event_msg(p_manager, EVT_ERROR,
11052 "Tile index provided by the user is incorrect %d (max = %d) \n", tile_index,
11053 (p_j2k->m_cp.tw * p_j2k->m_cp.th) - 1);
11054 return OPJ_FALSE;
11055 }
11056
11057 /* Compute the dimension of the desired tile*/
11058 l_tile_x = tile_index % p_j2k->m_cp.tw;
11059 l_tile_y = tile_index / p_j2k->m_cp.tw;
11060
11061 p_image->x0 = l_tile_x * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
11062 if (p_image->x0 < p_j2k->m_private_image->x0) {
11063 p_image->x0 = p_j2k->m_private_image->x0;
11064 }
11065 p_image->x1 = (l_tile_x + 1) * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
11066 if (p_image->x1 > p_j2k->m_private_image->x1) {
11067 p_image->x1 = p_j2k->m_private_image->x1;
11068 }
11069
11070 p_image->y0 = l_tile_y * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
11071 if (p_image->y0 < p_j2k->m_private_image->y0) {
11072 p_image->y0 = p_j2k->m_private_image->y0;
11073 }
11074 p_image->y1 = (l_tile_y + 1) * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
11075 if (p_image->y1 > p_j2k->m_private_image->y1) {
11076 p_image->y1 = p_j2k->m_private_image->y1;
11077 }
11078
11079 l_img_comp = p_image->comps;
11080 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
11081 OPJ_INT32 l_comp_x1, l_comp_y1;
11082
11083 l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
11084
11085 l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
11086 l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
11087 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
11088 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
11089
11090 l_img_comp->w = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_x1,
11091 (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0,
11092 (OPJ_INT32)l_img_comp->factor));
11093 l_img_comp->h = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_y1,
11094 (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0,
11095 (OPJ_INT32)l_img_comp->factor));
11096
11097 l_img_comp++;
11098 }
11099
11100 if (p_image->numcomps > p_j2k->m_private_image->numcomps) {
11101 /* Can happen when calling repeatdly opj_get_decoded_tile() on an
11102 * image with a color palette, where color palette expansion is done
11103 * later in jp2.c */
11104 for (compno = p_j2k->m_private_image->numcomps; compno < p_image->numcomps;
11105 ++compno) {
11106 opj_image_data_free(p_image->comps[compno].data);
11107 p_image->comps[compno].data = NULL;
11108 }
11109 p_image->numcomps = p_j2k->m_private_image->numcomps;
11110 }
11111
11112 /* Destroy the previous output image*/
11113 if (p_j2k->m_output_image) {
11114 opj_image_destroy(p_j2k->m_output_image);
11115 }
11116
11117 /* Create the ouput image from the information previously computed*/
11118 p_j2k->m_output_image = opj_image_create0();
11119 if (!(p_j2k->m_output_image)) {
11120 return OPJ_FALSE;
11121 }
11122 opj_copy_image_header(p_image, p_j2k->m_output_image);
11123
11124 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = (OPJ_INT32)tile_index;
11125
11126 /* customization of the decoding */
11127 if (!opj_j2k_setup_decoding_tile(p_j2k, p_manager)) {
11128 return OPJ_FALSE;
11129 }
11130
11131 /* Decode the codestream */
11132 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
11133 opj_image_destroy(p_j2k->m_private_image);
11134 p_j2k->m_private_image = NULL;
11135 return OPJ_FALSE;
11136 }
11137
11138 /* Move data and copy one information from codec to output image*/
11139 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
11140 }
11141
opj_j2k_set_decoded_resolution_factor(opj_j2k_t * p_j2k,OPJ_UINT32 res_factor,opj_event_mgr_t * p_manager)11142 OPJ_BOOL opj_j2k_set_decoded_resolution_factor(opj_j2k_t *p_j2k,
11143 OPJ_UINT32 res_factor,
11144 opj_event_mgr_t * p_manager)
11145 {
11146 OPJ_UINT32 it_comp;
11147
11148 p_j2k->m_cp.m_specific_param.m_dec.m_reduce = res_factor;
11149
11150 if (p_j2k->m_private_image) {
11151 if (p_j2k->m_private_image->comps) {
11152 if (p_j2k->m_specific_param.m_decoder.m_default_tcp) {
11153 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps) {
11154 for (it_comp = 0 ; it_comp < p_j2k->m_private_image->numcomps; it_comp++) {
11155 OPJ_UINT32 max_res =
11156 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[it_comp].numresolutions;
11157 if (res_factor >= max_res) {
11158 opj_event_msg(p_manager, EVT_ERROR,
11159 "Resolution factor is greater than the maximum resolution in the component.\n");
11160 return OPJ_FALSE;
11161 }
11162 p_j2k->m_private_image->comps[it_comp].factor = res_factor;
11163 }
11164 return OPJ_TRUE;
11165 }
11166 }
11167 }
11168 }
11169
11170 return OPJ_FALSE;
11171 }
11172
opj_j2k_encode(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)11173 OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
11174 opj_stream_private_t *p_stream,
11175 opj_event_mgr_t * p_manager)
11176 {
11177 OPJ_UINT32 i, j;
11178 OPJ_UINT32 l_nb_tiles;
11179 OPJ_SIZE_T l_max_tile_size = 0, l_current_tile_size;
11180 OPJ_BYTE * l_current_data = 00;
11181 OPJ_BOOL l_reuse_data = OPJ_FALSE;
11182 opj_tcd_t* p_tcd = 00;
11183
11184 /* preconditions */
11185 assert(p_j2k != 00);
11186 assert(p_stream != 00);
11187 assert(p_manager != 00);
11188
11189 p_tcd = p_j2k->m_tcd;
11190
11191 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
11192 if (l_nb_tiles == 1) {
11193 l_reuse_data = OPJ_TRUE;
11194 #ifdef __SSE__
11195 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
11196 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
11197 if (((size_t)l_img_comp->data & 0xFU) !=
11198 0U) { /* tile data shall be aligned on 16 bytes */
11199 l_reuse_data = OPJ_FALSE;
11200 }
11201 }
11202 #endif
11203 }
11204 for (i = 0; i < l_nb_tiles; ++i) {
11205 if (! opj_j2k_pre_write_tile(p_j2k, i, p_stream, p_manager)) {
11206 if (l_current_data) {
11207 opj_free(l_current_data);
11208 }
11209 return OPJ_FALSE;
11210 }
11211
11212 /* if we only have one tile, then simply set tile component data equal to image component data */
11213 /* otherwise, allocate the data */
11214 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
11215 opj_tcd_tilecomp_t* l_tilec = p_tcd->tcd_image->tiles->comps + j;
11216 if (l_reuse_data) {
11217 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
11218 l_tilec->data = l_img_comp->data;
11219 l_tilec->ownsData = OPJ_FALSE;
11220 } else {
11221 if (! opj_alloc_tile_component_data(l_tilec)) {
11222 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
11223 if (l_current_data) {
11224 opj_free(l_current_data);
11225 }
11226 return OPJ_FALSE;
11227 }
11228 }
11229 }
11230 l_current_tile_size = opj_tcd_get_encoded_tile_size(p_j2k->m_tcd);
11231 if (!l_reuse_data) {
11232 if (l_current_tile_size > l_max_tile_size) {
11233 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data,
11234 l_current_tile_size);
11235 if (! l_new_current_data) {
11236 if (l_current_data) {
11237 opj_free(l_current_data);
11238 }
11239 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to encode all tiles\n");
11240 return OPJ_FALSE;
11241 }
11242 l_current_data = l_new_current_data;
11243 l_max_tile_size = l_current_tile_size;
11244 }
11245 if (l_current_data == NULL) {
11246 /* Should not happen in practice, but will avoid Coverity to */
11247 /* complain about a null pointer dereference */
11248 assert(0);
11249 return OPJ_FALSE;
11250 }
11251
11252 /* copy image data (32 bit) to l_current_data as contiguous, all-component, zero offset buffer */
11253 /* 32 bit components @ 8 bit precision get converted to 8 bit */
11254 /* 32 bit components @ 16 bit precision get converted to 16 bit */
11255 opj_j2k_get_tile_data(p_j2k->m_tcd, l_current_data);
11256
11257 /* now copy this data into the tile component */
11258 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, l_current_data,
11259 l_current_tile_size)) {
11260 opj_event_msg(p_manager, EVT_ERROR,
11261 "Size mismatch between tile data and sent data.");
11262 opj_free(l_current_data);
11263 return OPJ_FALSE;
11264 }
11265 }
11266
11267 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
11268 if (l_current_data) {
11269 opj_free(l_current_data);
11270 }
11271 return OPJ_FALSE;
11272 }
11273 }
11274
11275 if (l_current_data) {
11276 opj_free(l_current_data);
11277 }
11278 return OPJ_TRUE;
11279 }
11280
opj_j2k_end_compress(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)11281 OPJ_BOOL opj_j2k_end_compress(opj_j2k_t *p_j2k,
11282 opj_stream_private_t *p_stream,
11283 opj_event_mgr_t * p_manager)
11284 {
11285 /* customization of the encoding */
11286 if (! opj_j2k_setup_end_compress(p_j2k, p_manager)) {
11287 return OPJ_FALSE;
11288 }
11289
11290 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
11291 return OPJ_FALSE;
11292 }
11293
11294 return OPJ_TRUE;
11295 }
11296
opj_j2k_start_compress(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_image_t * p_image,opj_event_mgr_t * p_manager)11297 OPJ_BOOL opj_j2k_start_compress(opj_j2k_t *p_j2k,
11298 opj_stream_private_t *p_stream,
11299 opj_image_t * p_image,
11300 opj_event_mgr_t * p_manager)
11301 {
11302 /* preconditions */
11303 assert(p_j2k != 00);
11304 assert(p_stream != 00);
11305 assert(p_manager != 00);
11306
11307 p_j2k->m_private_image = opj_image_create0();
11308 if (! p_j2k->m_private_image) {
11309 opj_event_msg(p_manager, EVT_ERROR, "Failed to allocate image header.");
11310 return OPJ_FALSE;
11311 }
11312 opj_copy_image_header(p_image, p_j2k->m_private_image);
11313
11314 /* TODO_MSD: Find a better way */
11315 if (p_image->comps) {
11316 OPJ_UINT32 it_comp;
11317 for (it_comp = 0 ; it_comp < p_image->numcomps; it_comp++) {
11318 if (p_image->comps[it_comp].data) {
11319 p_j2k->m_private_image->comps[it_comp].data = p_image->comps[it_comp].data;
11320 p_image->comps[it_comp].data = NULL;
11321
11322 }
11323 }
11324 }
11325
11326 /* customization of the validation */
11327 if (! opj_j2k_setup_encoding_validation(p_j2k, p_manager)) {
11328 return OPJ_FALSE;
11329 }
11330
11331 /* validation of the parameters codec */
11332 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
11333 return OPJ_FALSE;
11334 }
11335
11336 /* customization of the encoding */
11337 if (! opj_j2k_setup_header_writing(p_j2k, p_manager)) {
11338 return OPJ_FALSE;
11339 }
11340
11341 /* write header */
11342 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
11343 return OPJ_FALSE;
11344 }
11345
11346 return OPJ_TRUE;
11347 }
11348
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)11349 static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
11350 OPJ_UINT32 p_tile_index,
11351 opj_stream_private_t *p_stream,
11352 opj_event_mgr_t * p_manager)
11353 {
11354 (void)p_stream;
11355 if (p_tile_index != p_j2k->m_current_tile_number) {
11356 opj_event_msg(p_manager, EVT_ERROR, "The given tile index does not match.");
11357 return OPJ_FALSE;
11358 }
11359
11360 opj_event_msg(p_manager, EVT_INFO, "tile number %d / %d\n",
11361 p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th);
11362
11363 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0;
11364 p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts;
11365 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
11366
11367 /* initialisation before tile encoding */
11368 if (! opj_tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
11369 p_manager)) {
11370 return OPJ_FALSE;
11371 }
11372
11373 return OPJ_TRUE;
11374 }
11375
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)11376 static void opj_get_tile_dimensions(opj_image_t * l_image,
11377 opj_tcd_tilecomp_t * l_tilec,
11378 opj_image_comp_t * l_img_comp,
11379 OPJ_UINT32* l_size_comp,
11380 OPJ_UINT32* l_width,
11381 OPJ_UINT32* l_height,
11382 OPJ_UINT32* l_offset_x,
11383 OPJ_UINT32* l_offset_y,
11384 OPJ_UINT32* l_image_width,
11385 OPJ_UINT32* l_stride,
11386 OPJ_UINT32* l_tile_offset)
11387 {
11388 OPJ_UINT32 l_remaining;
11389 *l_size_comp = l_img_comp->prec >> 3; /* (/8) */
11390 l_remaining = l_img_comp->prec & 7; /* (%8) */
11391 if (l_remaining) {
11392 *l_size_comp += 1;
11393 }
11394
11395 if (*l_size_comp == 3) {
11396 *l_size_comp = 4;
11397 }
11398
11399 *l_width = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0);
11400 *l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0);
11401 *l_offset_x = opj_uint_ceildiv(l_image->x0, l_img_comp->dx);
11402 *l_offset_y = opj_uint_ceildiv(l_image->y0, l_img_comp->dy);
11403 *l_image_width = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x1 -
11404 (OPJ_INT32)l_image->x0, (OPJ_INT32)l_img_comp->dx);
11405 *l_stride = *l_image_width - *l_width;
11406 *l_tile_offset = ((OPJ_UINT32)l_tilec->x0 - *l_offset_x) + ((
11407 OPJ_UINT32)l_tilec->y0 - *l_offset_y) * *l_image_width;
11408 }
11409
opj_j2k_get_tile_data(opj_tcd_t * p_tcd,OPJ_BYTE * p_data)11410 static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data)
11411 {
11412 OPJ_UINT32 i, j, k = 0;
11413
11414 for (i = 0; i < p_tcd->image->numcomps; ++i) {
11415 opj_image_t * l_image = p_tcd->image;
11416 OPJ_INT32 * l_src_ptr;
11417 opj_tcd_tilecomp_t * l_tilec = p_tcd->tcd_image->tiles->comps + i;
11418 opj_image_comp_t * l_img_comp = l_image->comps + i;
11419 OPJ_UINT32 l_size_comp, l_width, l_height, l_offset_x, l_offset_y,
11420 l_image_width, l_stride, l_tile_offset;
11421
11422 opj_get_tile_dimensions(l_image,
11423 l_tilec,
11424 l_img_comp,
11425 &l_size_comp,
11426 &l_width,
11427 &l_height,
11428 &l_offset_x,
11429 &l_offset_y,
11430 &l_image_width,
11431 &l_stride,
11432 &l_tile_offset);
11433
11434 l_src_ptr = l_img_comp->data + l_tile_offset;
11435
11436 switch (l_size_comp) {
11437 case 1: {
11438 OPJ_CHAR * l_dest_ptr = (OPJ_CHAR*) p_data;
11439 if (l_img_comp->sgnd) {
11440 for (j = 0; j < l_height; ++j) {
11441 for (k = 0; k < l_width; ++k) {
11442 *(l_dest_ptr) = (OPJ_CHAR)(*l_src_ptr);
11443 ++l_dest_ptr;
11444 ++l_src_ptr;
11445 }
11446 l_src_ptr += l_stride;
11447 }
11448 } else {
11449 for (j = 0; j < l_height; ++j) {
11450 for (k = 0; k < l_width; ++k) {
11451 *(l_dest_ptr) = (OPJ_CHAR)((*l_src_ptr) & 0xff);
11452 ++l_dest_ptr;
11453 ++l_src_ptr;
11454 }
11455 l_src_ptr += l_stride;
11456 }
11457 }
11458
11459 p_data = (OPJ_BYTE*) l_dest_ptr;
11460 }
11461 break;
11462 case 2: {
11463 OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_data;
11464 if (l_img_comp->sgnd) {
11465 for (j = 0; j < l_height; ++j) {
11466 for (k = 0; k < l_width; ++k) {
11467 *(l_dest_ptr++) = (OPJ_INT16)(*(l_src_ptr++));
11468 }
11469 l_src_ptr += l_stride;
11470 }
11471 } else {
11472 for (j = 0; j < l_height; ++j) {
11473 for (k = 0; k < l_width; ++k) {
11474 *(l_dest_ptr++) = (OPJ_INT16)((*(l_src_ptr++)) & 0xffff);
11475 }
11476 l_src_ptr += l_stride;
11477 }
11478 }
11479
11480 p_data = (OPJ_BYTE*) l_dest_ptr;
11481 }
11482 break;
11483 case 4: {
11484 OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_data;
11485 for (j = 0; j < l_height; ++j) {
11486 for (k = 0; k < l_width; ++k) {
11487 *(l_dest_ptr++) = *(l_src_ptr++);
11488 }
11489 l_src_ptr += l_stride;
11490 }
11491
11492 p_data = (OPJ_BYTE*) l_dest_ptr;
11493 }
11494 break;
11495 }
11496 }
11497 }
11498
opj_j2k_post_write_tile(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)11499 static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
11500 opj_stream_private_t *p_stream,
11501 opj_event_mgr_t * p_manager)
11502 {
11503 OPJ_UINT32 l_nb_bytes_written;
11504 OPJ_BYTE * l_current_data = 00;
11505 OPJ_UINT32 l_tile_size = 0;
11506 OPJ_UINT32 l_available_data;
11507
11508 /* preconditions */
11509 assert(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
11510
11511 l_tile_size = p_j2k->m_specific_param.m_encoder.m_encoded_tile_size;
11512 l_available_data = l_tile_size;
11513 l_current_data = p_j2k->m_specific_param.m_encoder.m_encoded_tile_data;
11514
11515 l_nb_bytes_written = 0;
11516 if (! opj_j2k_write_first_tile_part(p_j2k, l_current_data, &l_nb_bytes_written,
11517 l_available_data, p_stream, p_manager)) {
11518 return OPJ_FALSE;
11519 }
11520 l_current_data += l_nb_bytes_written;
11521 l_available_data -= l_nb_bytes_written;
11522
11523 l_nb_bytes_written = 0;
11524 if (! opj_j2k_write_all_tile_parts(p_j2k, l_current_data, &l_nb_bytes_written,
11525 l_available_data, p_stream, p_manager)) {
11526 return OPJ_FALSE;
11527 }
11528
11529 l_available_data -= l_nb_bytes_written;
11530 l_nb_bytes_written = l_tile_size - l_available_data;
11531
11532 if (opj_stream_write_data(p_stream,
11533 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data,
11534 l_nb_bytes_written, p_manager) != l_nb_bytes_written) {
11535 return OPJ_FALSE;
11536 }
11537
11538 ++p_j2k->m_current_tile_number;
11539
11540 return OPJ_TRUE;
11541 }
11542
opj_j2k_setup_end_compress(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)11543 static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
11544 opj_event_mgr_t * p_manager)
11545 {
11546 /* preconditions */
11547 assert(p_j2k != 00);
11548 assert(p_manager != 00);
11549
11550 /* DEVELOPER CORNER, insert your custom procedures */
11551 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11552 (opj_procedure)opj_j2k_write_eoc, p_manager)) {
11553 return OPJ_FALSE;
11554 }
11555
11556 if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) {
11557 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11558 (opj_procedure)opj_j2k_write_updated_tlm, p_manager)) {
11559 return OPJ_FALSE;
11560 }
11561 }
11562
11563 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11564 (opj_procedure)opj_j2k_write_epc, p_manager)) {
11565 return OPJ_FALSE;
11566 }
11567 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11568 (opj_procedure)opj_j2k_end_encoding, p_manager)) {
11569 return OPJ_FALSE;
11570 }
11571 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11572 (opj_procedure)opj_j2k_destroy_header_memory, p_manager)) {
11573 return OPJ_FALSE;
11574 }
11575 return OPJ_TRUE;
11576 }
11577
opj_j2k_setup_encoding_validation(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)11578 static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
11579 opj_event_mgr_t * p_manager)
11580 {
11581 /* preconditions */
11582 assert(p_j2k != 00);
11583 assert(p_manager != 00);
11584
11585 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
11586 (opj_procedure)opj_j2k_build_encoder, p_manager)) {
11587 return OPJ_FALSE;
11588 }
11589 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
11590 (opj_procedure)opj_j2k_encoding_validation, p_manager)) {
11591 return OPJ_FALSE;
11592 }
11593
11594 /* DEVELOPER CORNER, add your custom validation procedure */
11595 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
11596 (opj_procedure)opj_j2k_mct_validation, p_manager)) {
11597 return OPJ_FALSE;
11598 }
11599
11600 return OPJ_TRUE;
11601 }
11602
opj_j2k_setup_header_writing(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)11603 static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
11604 opj_event_mgr_t * p_manager)
11605 {
11606 /* preconditions */
11607 assert(p_j2k != 00);
11608 assert(p_manager != 00);
11609
11610 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11611 (opj_procedure)opj_j2k_init_info, p_manager)) {
11612 return OPJ_FALSE;
11613 }
11614 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11615 (opj_procedure)opj_j2k_write_soc, p_manager)) {
11616 return OPJ_FALSE;
11617 }
11618 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11619 (opj_procedure)opj_j2k_write_siz, p_manager)) {
11620 return OPJ_FALSE;
11621 }
11622 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11623 (opj_procedure)opj_j2k_write_cod, p_manager)) {
11624 return OPJ_FALSE;
11625 }
11626 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11627 (opj_procedure)opj_j2k_write_qcd, p_manager)) {
11628 return OPJ_FALSE;
11629 }
11630 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11631 (opj_procedure)opj_j2k_write_all_coc, p_manager)) {
11632 return OPJ_FALSE;
11633 }
11634 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11635 (opj_procedure)opj_j2k_write_all_qcc, p_manager)) {
11636 return OPJ_FALSE;
11637 }
11638
11639 if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) {
11640 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11641 (opj_procedure)opj_j2k_write_tlm, p_manager)) {
11642 return OPJ_FALSE;
11643 }
11644
11645 if (p_j2k->m_cp.rsiz == OPJ_PROFILE_CINEMA_4K) {
11646 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11647 (opj_procedure)opj_j2k_write_poc, p_manager)) {
11648 return OPJ_FALSE;
11649 }
11650 }
11651 }
11652
11653 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11654 (opj_procedure)opj_j2k_write_regions, p_manager)) {
11655 return OPJ_FALSE;
11656 }
11657
11658 if (p_j2k->m_cp.comment != 00) {
11659 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11660 (opj_procedure)opj_j2k_write_com, p_manager)) {
11661 return OPJ_FALSE;
11662 }
11663 }
11664
11665 /* DEVELOPER CORNER, insert your custom procedures */
11666 if (p_j2k->m_cp.rsiz & OPJ_EXTENSION_MCT) {
11667 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11668 (opj_procedure)opj_j2k_write_mct_data_group, p_manager)) {
11669 return OPJ_FALSE;
11670 }
11671 }
11672 /* End of Developer Corner */
11673
11674 if (p_j2k->cstr_index) {
11675 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11676 (opj_procedure)opj_j2k_get_end_header, p_manager)) {
11677 return OPJ_FALSE;
11678 }
11679 }
11680
11681 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11682 (opj_procedure)opj_j2k_create_tcd, p_manager)) {
11683 return OPJ_FALSE;
11684 }
11685 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11686 (opj_procedure)opj_j2k_update_rates, p_manager)) {
11687 return OPJ_FALSE;
11688 }
11689
11690 return OPJ_TRUE;
11691 }
11692
opj_j2k_write_first_tile_part(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,OPJ_UINT32 p_total_data_size,opj_stream_private_t * p_stream,struct opj_event_mgr * p_manager)11693 static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
11694 OPJ_BYTE * p_data,
11695 OPJ_UINT32 * p_data_written,
11696 OPJ_UINT32 p_total_data_size,
11697 opj_stream_private_t *p_stream,
11698 struct opj_event_mgr * p_manager)
11699 {
11700 OPJ_UINT32 l_nb_bytes_written = 0;
11701 OPJ_UINT32 l_current_nb_bytes_written;
11702 OPJ_BYTE * l_begin_data = 00;
11703
11704 opj_tcd_t * l_tcd = 00;
11705 opj_cp_t * l_cp = 00;
11706
11707 l_tcd = p_j2k->m_tcd;
11708 l_cp = &(p_j2k->m_cp);
11709
11710 l_tcd->cur_pino = 0;
11711
11712 /*Get number of tile parts*/
11713 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
11714
11715 /* INDEX >> */
11716 /* << INDEX */
11717
11718 l_current_nb_bytes_written = 0;
11719 l_begin_data = p_data;
11720 if (! opj_j2k_write_sot(p_j2k, p_data, p_total_data_size,
11721 &l_current_nb_bytes_written, p_stream,
11722 p_manager)) {
11723 return OPJ_FALSE;
11724 }
11725
11726 l_nb_bytes_written += l_current_nb_bytes_written;
11727 p_data += l_current_nb_bytes_written;
11728 p_total_data_size -= l_current_nb_bytes_written;
11729
11730 if (!OPJ_IS_CINEMA(l_cp->rsiz)) {
11731 #if 0
11732 for (compno = 1; compno < p_j2k->m_private_image->numcomps; compno++) {
11733 l_current_nb_bytes_written = 0;
11734 opj_j2k_write_coc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
11735 p_manager);
11736 l_nb_bytes_written += l_current_nb_bytes_written;
11737 p_data += l_current_nb_bytes_written;
11738 p_total_data_size -= l_current_nb_bytes_written;
11739
11740 l_current_nb_bytes_written = 0;
11741 opj_j2k_write_qcc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
11742 p_manager);
11743 l_nb_bytes_written += l_current_nb_bytes_written;
11744 p_data += l_current_nb_bytes_written;
11745 p_total_data_size -= l_current_nb_bytes_written;
11746 }
11747 #endif
11748 if (l_cp->tcps[p_j2k->m_current_tile_number].numpocs) {
11749 l_current_nb_bytes_written = 0;
11750 opj_j2k_write_poc_in_memory(p_j2k, p_data, &l_current_nb_bytes_written,
11751 p_manager);
11752 l_nb_bytes_written += l_current_nb_bytes_written;
11753 p_data += l_current_nb_bytes_written;
11754 p_total_data_size -= l_current_nb_bytes_written;
11755 }
11756 }
11757
11758 l_current_nb_bytes_written = 0;
11759 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
11760 p_total_data_size, p_stream, p_manager)) {
11761 return OPJ_FALSE;
11762 }
11763
11764 l_nb_bytes_written += l_current_nb_bytes_written;
11765 * p_data_written = l_nb_bytes_written;
11766
11767 /* Writing Psot in SOT marker */
11768 opj_write_bytes(l_begin_data + 6, l_nb_bytes_written,
11769 4); /* PSOT */
11770
11771 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
11772 opj_j2k_update_tlm(p_j2k, l_nb_bytes_written);
11773 }
11774
11775 return OPJ_TRUE;
11776 }
11777
opj_j2k_write_all_tile_parts(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,OPJ_UINT32 p_total_data_size,opj_stream_private_t * p_stream,struct opj_event_mgr * p_manager)11778 static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
11779 OPJ_BYTE * p_data,
11780 OPJ_UINT32 * p_data_written,
11781 OPJ_UINT32 p_total_data_size,
11782 opj_stream_private_t *p_stream,
11783 struct opj_event_mgr * p_manager
11784 )
11785 {
11786 OPJ_UINT32 tilepartno = 0;
11787 OPJ_UINT32 l_nb_bytes_written = 0;
11788 OPJ_UINT32 l_current_nb_bytes_written;
11789 OPJ_UINT32 l_part_tile_size;
11790 OPJ_UINT32 tot_num_tp;
11791 OPJ_UINT32 pino;
11792
11793 OPJ_BYTE * l_begin_data;
11794 opj_tcp_t *l_tcp = 00;
11795 opj_tcd_t * l_tcd = 00;
11796 opj_cp_t * l_cp = 00;
11797
11798 l_tcd = p_j2k->m_tcd;
11799 l_cp = &(p_j2k->m_cp);
11800 l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
11801
11802 /*Get number of tile parts*/
11803 tot_num_tp = opj_j2k_get_num_tp(l_cp, 0, p_j2k->m_current_tile_number);
11804
11805 /* start writing remaining tile parts */
11806 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
11807 for (tilepartno = 1; tilepartno < tot_num_tp ; ++tilepartno) {
11808 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
11809 l_current_nb_bytes_written = 0;
11810 l_part_tile_size = 0;
11811 l_begin_data = p_data;
11812
11813 if (! opj_j2k_write_sot(p_j2k, p_data,
11814 p_total_data_size,
11815 &l_current_nb_bytes_written,
11816 p_stream,
11817 p_manager)) {
11818 return OPJ_FALSE;
11819 }
11820
11821 l_nb_bytes_written += l_current_nb_bytes_written;
11822 p_data += l_current_nb_bytes_written;
11823 p_total_data_size -= l_current_nb_bytes_written;
11824 l_part_tile_size += l_current_nb_bytes_written;
11825
11826 l_current_nb_bytes_written = 0;
11827 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
11828 p_total_data_size, p_stream, p_manager)) {
11829 return OPJ_FALSE;
11830 }
11831
11832 p_data += l_current_nb_bytes_written;
11833 l_nb_bytes_written += l_current_nb_bytes_written;
11834 p_total_data_size -= l_current_nb_bytes_written;
11835 l_part_tile_size += l_current_nb_bytes_written;
11836
11837 /* Writing Psot in SOT marker */
11838 opj_write_bytes(l_begin_data + 6, l_part_tile_size,
11839 4); /* PSOT */
11840
11841 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
11842 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
11843 }
11844
11845 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
11846 }
11847
11848 for (pino = 1; pino <= l_tcp->numpocs; ++pino) {
11849 l_tcd->cur_pino = pino;
11850
11851 /*Get number of tile parts*/
11852 tot_num_tp = opj_j2k_get_num_tp(l_cp, pino, p_j2k->m_current_tile_number);
11853 for (tilepartno = 0; tilepartno < tot_num_tp ; ++tilepartno) {
11854 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
11855 l_current_nb_bytes_written = 0;
11856 l_part_tile_size = 0;
11857 l_begin_data = p_data;
11858
11859 if (! opj_j2k_write_sot(p_j2k, p_data,
11860 p_total_data_size,
11861 &l_current_nb_bytes_written, p_stream,
11862 p_manager)) {
11863 return OPJ_FALSE;
11864 }
11865
11866 l_nb_bytes_written += l_current_nb_bytes_written;
11867 p_data += l_current_nb_bytes_written;
11868 p_total_data_size -= l_current_nb_bytes_written;
11869 l_part_tile_size += l_current_nb_bytes_written;
11870
11871 l_current_nb_bytes_written = 0;
11872
11873 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
11874 p_total_data_size, p_stream, p_manager)) {
11875 return OPJ_FALSE;
11876 }
11877
11878 l_nb_bytes_written += l_current_nb_bytes_written;
11879 p_data += l_current_nb_bytes_written;
11880 p_total_data_size -= l_current_nb_bytes_written;
11881 l_part_tile_size += l_current_nb_bytes_written;
11882
11883 /* Writing Psot in SOT marker */
11884 opj_write_bytes(l_begin_data + 6, l_part_tile_size,
11885 4); /* PSOT */
11886
11887 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
11888 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
11889 }
11890
11891 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
11892 }
11893 }
11894
11895 *p_data_written = l_nb_bytes_written;
11896
11897 return OPJ_TRUE;
11898 }
11899
opj_j2k_write_updated_tlm(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)11900 static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
11901 struct opj_stream_private *p_stream,
11902 struct opj_event_mgr * p_manager)
11903 {
11904 OPJ_UINT32 l_tlm_size;
11905 OPJ_OFF_T l_tlm_position, l_current_position;
11906
11907 /* preconditions */
11908 assert(p_j2k != 00);
11909 assert(p_manager != 00);
11910 assert(p_stream != 00);
11911
11912 l_tlm_size = 5 * p_j2k->m_specific_param.m_encoder.m_total_tile_parts;
11913 l_tlm_position = 6 + p_j2k->m_specific_param.m_encoder.m_tlm_start;
11914 l_current_position = opj_stream_tell(p_stream);
11915
11916 if (! opj_stream_seek(p_stream, l_tlm_position, p_manager)) {
11917 return OPJ_FALSE;
11918 }
11919
11920 if (opj_stream_write_data(p_stream,
11921 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer, l_tlm_size,
11922 p_manager) != l_tlm_size) {
11923 return OPJ_FALSE;
11924 }
11925
11926 if (! opj_stream_seek(p_stream, l_current_position, p_manager)) {
11927 return OPJ_FALSE;
11928 }
11929
11930 return OPJ_TRUE;
11931 }
11932
opj_j2k_end_encoding(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)11933 static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
11934 struct opj_stream_private *p_stream,
11935 struct opj_event_mgr * p_manager)
11936 {
11937 /* preconditions */
11938 assert(p_j2k != 00);
11939 assert(p_manager != 00);
11940 assert(p_stream != 00);
11941
11942 OPJ_UNUSED(p_stream);
11943 OPJ_UNUSED(p_manager);
11944
11945 opj_tcd_destroy(p_j2k->m_tcd);
11946 p_j2k->m_tcd = 00;
11947
11948 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
11949 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
11950 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 0;
11951 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 0;
11952 }
11953
11954 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
11955 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
11956 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 0;
11957 }
11958
11959 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = 0;
11960
11961 return OPJ_TRUE;
11962 }
11963
11964 /**
11965 * Destroys the memory associated with the decoding of headers.
11966 */
opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)11967 static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
11968 opj_stream_private_t *p_stream,
11969 opj_event_mgr_t * p_manager
11970 )
11971 {
11972 /* preconditions */
11973 assert(p_j2k != 00);
11974 assert(p_stream != 00);
11975 assert(p_manager != 00);
11976
11977 OPJ_UNUSED(p_stream);
11978 OPJ_UNUSED(p_manager);
11979
11980 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
11981 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
11982 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 0;
11983 }
11984
11985 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
11986
11987 return OPJ_TRUE;
11988 }
11989
opj_j2k_init_info(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)11990 static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
11991 struct opj_stream_private *p_stream,
11992 struct opj_event_mgr * p_manager)
11993 {
11994 opj_codestream_info_t * l_cstr_info = 00;
11995
11996 /* preconditions */
11997 assert(p_j2k != 00);
11998 assert(p_manager != 00);
11999 assert(p_stream != 00);
12000 (void)l_cstr_info;
12001
12002 OPJ_UNUSED(p_stream);
12003
12004 /* TODO mergeV2: check this part which use cstr_info */
12005 /*l_cstr_info = p_j2k->cstr_info;
12006
12007 if (l_cstr_info) {
12008 OPJ_UINT32 compno;
12009 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));
12010
12011 l_cstr_info->image_w = p_j2k->m_image->x1 - p_j2k->m_image->x0;
12012 l_cstr_info->image_h = p_j2k->m_image->y1 - p_j2k->m_image->y0;
12013
12014 l_cstr_info->prog = (&p_j2k->m_cp.tcps[0])->prg;
12015
12016 l_cstr_info->tw = p_j2k->m_cp.tw;
12017 l_cstr_info->th = p_j2k->m_cp.th;
12018
12019 l_cstr_info->tile_x = p_j2k->m_cp.tdx;*/ /* new version parser */
12020 /*l_cstr_info->tile_y = p_j2k->m_cp.tdy;*/ /* new version parser */
12021 /*l_cstr_info->tile_Ox = p_j2k->m_cp.tx0;*/ /* new version parser */
12022 /*l_cstr_info->tile_Oy = p_j2k->m_cp.ty0;*/ /* new version parser */
12023
12024 /*l_cstr_info->numcomps = p_j2k->m_image->numcomps;
12025
12026 l_cstr_info->numlayers = (&p_j2k->m_cp.tcps[0])->numlayers;
12027
12028 l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(p_j2k->m_image->numcomps * sizeof(OPJ_INT32));
12029
12030 for (compno=0; compno < p_j2k->m_image->numcomps; compno++) {
12031 l_cstr_info->numdecompos[compno] = (&p_j2k->m_cp.tcps[0])->tccps->numresolutions - 1;
12032 }
12033
12034 l_cstr_info->D_max = 0.0; */ /* ADD Marcela */
12035
12036 /*l_cstr_info->main_head_start = opj_stream_tell(p_stream);*/ /* position of SOC */
12037
12038 /*l_cstr_info->maxmarknum = 100;
12039 l_cstr_info->marker = (opj_marker_info_t *) opj_malloc(l_cstr_info->maxmarknum * sizeof(opj_marker_info_t));
12040 l_cstr_info->marknum = 0;
12041 }*/
12042
12043 return opj_j2k_calculate_tp(p_j2k, &(p_j2k->m_cp),
12044 &p_j2k->m_specific_param.m_encoder.m_total_tile_parts, p_j2k->m_private_image,
12045 p_manager);
12046 }
12047
12048 /**
12049 * Creates a tile-coder encoder.
12050 *
12051 * @param p_stream the stream to write data to.
12052 * @param p_j2k J2K codec.
12053 * @param p_manager the user event manager.
12054 */
opj_j2k_create_tcd(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)12055 static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
12056 opj_stream_private_t *p_stream,
12057 opj_event_mgr_t * p_manager
12058 )
12059 {
12060 /* preconditions */
12061 assert(p_j2k != 00);
12062 assert(p_manager != 00);
12063 assert(p_stream != 00);
12064
12065 OPJ_UNUSED(p_stream);
12066
12067 p_j2k->m_tcd = opj_tcd_create(OPJ_FALSE);
12068
12069 if (! p_j2k->m_tcd) {
12070 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to create Tile Coder\n");
12071 return OPJ_FALSE;
12072 }
12073
12074 if (!opj_tcd_init(p_j2k->m_tcd, p_j2k->m_private_image, &p_j2k->m_cp,
12075 p_j2k->m_tp)) {
12076 opj_tcd_destroy(p_j2k->m_tcd);
12077 p_j2k->m_tcd = 00;
12078 return OPJ_FALSE;
12079 }
12080
12081 return OPJ_TRUE;
12082 }
12083
opj_j2k_write_tile(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_index,OPJ_BYTE * p_data,OPJ_UINT32 p_data_size,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)12084 OPJ_BOOL opj_j2k_write_tile(opj_j2k_t * p_j2k,
12085 OPJ_UINT32 p_tile_index,
12086 OPJ_BYTE * p_data,
12087 OPJ_UINT32 p_data_size,
12088 opj_stream_private_t *p_stream,
12089 opj_event_mgr_t * p_manager)
12090 {
12091 if (! opj_j2k_pre_write_tile(p_j2k, p_tile_index, p_stream, p_manager)) {
12092 opj_event_msg(p_manager, EVT_ERROR,
12093 "Error while opj_j2k_pre_write_tile with tile index = %d\n", p_tile_index);
12094 return OPJ_FALSE;
12095 } else {
12096 OPJ_UINT32 j;
12097 /* Allocate data */
12098 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
12099 opj_tcd_tilecomp_t* l_tilec = p_j2k->m_tcd->tcd_image->tiles->comps + j;
12100
12101 if (! opj_alloc_tile_component_data(l_tilec)) {
12102 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
12103 return OPJ_FALSE;
12104 }
12105 }
12106
12107 /* now copy data into the tile component */
12108 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
12109 opj_event_msg(p_manager, EVT_ERROR,
12110 "Size mismatch between tile data and sent data.");
12111 return OPJ_FALSE;
12112 }
12113 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
12114 opj_event_msg(p_manager, EVT_ERROR,
12115 "Error while opj_j2k_post_write_tile with tile index = %d\n", p_tile_index);
12116 return OPJ_FALSE;
12117 }
12118 }
12119
12120 return OPJ_TRUE;
12121 }
12122