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 * All rights reserved.
20 *
21 * Redistribution and use in source and binary forms, with or without
22 * modification, are permitted provided that the following conditions
23 * are met:
24 * 1. Redistributions of source code must retain the above copyright
25 * notice, this list of conditions and the following disclaimer.
26 * 2. Redistributions in binary form must reproduce the above copyright
27 * notice, this list of conditions and the following disclaimer in the
28 * documentation and/or other materials provided with the distribution.
29 *
30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
31 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
32 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
34 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
35 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
36 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
37 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
38 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
39 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
40 * POSSIBILITY OF SUCH DAMAGE.
41 */
42
43 #include "opj_includes.h"
44
45 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
46 /*@{*/
47
48 /** @name Local static functions */
49 /*@{*/
50
51 /**
52 * Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures.
53 */
54 static OPJ_BOOL opj_j2k_setup_header_reading (opj_j2k_t *p_j2k, opj_event_mgr_t * p_manager);
55
56 /**
57 * The read header procedure.
58 */
59 static OPJ_BOOL opj_j2k_read_header_procedure( opj_j2k_t *p_j2k,
60 opj_stream_private_t *p_stream,
61 opj_event_mgr_t * p_manager);
62
63 /**
64 * The default encoding validation procedure without any extension.
65 *
66 * @param p_j2k the jpeg2000 codec to validate.
67 * @param p_stream the input stream to validate.
68 * @param p_manager the user event manager.
69 *
70 * @return true if the parameters are correct.
71 */
72 static OPJ_BOOL opj_j2k_encoding_validation ( opj_j2k_t * p_j2k,
73 opj_stream_private_t *p_stream,
74 opj_event_mgr_t * p_manager );
75
76 /**
77 * The default decoding validation procedure without any extension.
78 *
79 * @param p_j2k the jpeg2000 codec to validate.
80 * @param p_stream the input stream to validate.
81 * @param p_manager the user event manager.
82 *
83 * @return true if the parameters are correct.
84 */
85 static OPJ_BOOL opj_j2k_decoding_validation ( opj_j2k_t * p_j2k,
86 opj_stream_private_t *p_stream,
87 opj_event_mgr_t * p_manager );
88
89 /**
90 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
91 * are valid. Developpers wanting to extend the library can add their own validation procedures.
92 */
93 static OPJ_BOOL opj_j2k_setup_encoding_validation (opj_j2k_t *p_j2k, opj_event_mgr_t * p_manager);
94
95 /**
96 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
97 * are valid. Developpers wanting to extend the library can add their own validation procedures.
98 */
99 static OPJ_BOOL opj_j2k_setup_decoding_validation (opj_j2k_t *p_j2k, opj_event_mgr_t * p_manager);
100
101 /**
102 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
103 * are valid. Developpers wanting to extend the library can add their own validation procedures.
104 */
105 static OPJ_BOOL opj_j2k_setup_end_compress (opj_j2k_t *p_j2k, opj_event_mgr_t * p_manager);
106
107 /**
108 * The mct encoding validation procedure.
109 *
110 * @param p_j2k the jpeg2000 codec to validate.
111 * @param p_stream the input stream to validate.
112 * @param p_manager the user event manager.
113 *
114 * @return true if the parameters are correct.
115 */
116 static OPJ_BOOL opj_j2k_mct_validation (opj_j2k_t * p_j2k,
117 opj_stream_private_t *p_stream,
118 opj_event_mgr_t * p_manager );
119
120 /**
121 * Builds the tcd decoder to use to decode tile.
122 */
123 static OPJ_BOOL opj_j2k_build_decoder ( opj_j2k_t * p_j2k,
124 opj_stream_private_t *p_stream,
125 opj_event_mgr_t * p_manager );
126 /**
127 * Builds the tcd encoder to use to encode tile.
128 */
129 static OPJ_BOOL opj_j2k_build_encoder ( opj_j2k_t * p_j2k,
130 opj_stream_private_t *p_stream,
131 opj_event_mgr_t * p_manager );
132
133 /**
134 * Creates a tile-coder decoder.
135 *
136 * @param p_stream the stream to write data to.
137 * @param p_j2k J2K codec.
138 * @param p_manager the user event manager.
139 */
140 static OPJ_BOOL opj_j2k_create_tcd( opj_j2k_t *p_j2k,
141 opj_stream_private_t *p_stream,
142 opj_event_mgr_t * p_manager );
143
144 /**
145 * Excutes the given procedures on the given codec.
146 *
147 * @param p_procedure_list the list of procedures to execute
148 * @param p_j2k the jpeg2000 codec to execute the procedures on.
149 * @param p_stream the stream to execute the procedures on.
150 * @param p_manager the user manager.
151 *
152 * @return true if all the procedures were successfully executed.
153 */
154 static OPJ_BOOL opj_j2k_exec ( opj_j2k_t * p_j2k,
155 opj_procedure_list_t * p_procedure_list,
156 opj_stream_private_t *p_stream,
157 opj_event_mgr_t * p_manager);
158
159 /**
160 * Updates the rates of the tcp.
161 *
162 * @param p_stream the stream to write data to.
163 * @param p_j2k J2K codec.
164 * @param p_manager the user event manager.
165 */
166 static OPJ_BOOL opj_j2k_update_rates( opj_j2k_t *p_j2k,
167 opj_stream_private_t *p_stream,
168 opj_event_mgr_t * p_manager );
169
170 /**
171 * Copies the decoding tile parameters onto all the tile parameters.
172 * Creates also the tile decoder.
173 */
174 static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd ( opj_j2k_t * p_j2k,
175 opj_stream_private_t *p_stream,
176 opj_event_mgr_t * p_manager );
177
178 /**
179 * Destroys the memory associated with the decoding of headers.
180 */
181 static OPJ_BOOL opj_j2k_destroy_header_memory ( opj_j2k_t * p_j2k,
182 opj_stream_private_t *p_stream,
183 opj_event_mgr_t * p_manager );
184
185 /**
186 * Reads the lookup table containing all the marker, status and action, and returns the handler associated
187 * with the marker value.
188 * @param p_id Marker value to look up
189 *
190 * @return the handler associated with the id.
191 */
192 static const struct opj_dec_memory_marker_handler * opj_j2k_get_marker_handler (OPJ_UINT32 p_id);
193
194 /**
195 * Destroys a tile coding parameter structure.
196 *
197 * @param p_tcp the tile coding parameter to destroy.
198 */
199 static void opj_j2k_tcp_destroy (opj_tcp_t *p_tcp);
200
201 /**
202 * Destroys the data inside a tile coding parameter structure.
203 *
204 * @param p_tcp the tile coding parameter which contain data to destroy.
205 */
206 static void opj_j2k_tcp_data_destroy (opj_tcp_t *p_tcp);
207
208 /**
209 * Destroys a coding parameter structure.
210 *
211 * @param p_cp the coding parameter to destroy.
212 */
213 static void opj_j2k_cp_destroy (opj_cp_t *p_cp);
214
215 /**
216 * Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
217 *
218 * @param p_j2k J2K codec.
219 * @param p_tile_no FIXME DOC
220 * @param p_comp_no the component number to output.
221 * @param p_data FIXME DOC
222 * @param p_header_size FIXME DOC
223 * @param p_manager the user event manager.
224 *
225 * @return FIXME DOC
226 */
227 static OPJ_BOOL opj_j2k_write_SPCod_SPCoc( opj_j2k_t *p_j2k,
228 OPJ_UINT32 p_tile_no,
229 OPJ_UINT32 p_comp_no,
230 OPJ_BYTE * p_data,
231 OPJ_UINT32 * p_header_size,
232 opj_event_mgr_t * p_manager );
233
234 /**
235 * Gets the size taken by writing a SPCod or SPCoc for the given tile and component.
236 *
237 * @param p_j2k the J2K codec.
238 * @param p_tile_no the tile index.
239 * @param p_comp_no the component being outputted.
240 *
241 * @return the number of bytes taken by the SPCod element.
242 */
243 static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size (opj_j2k_t *p_j2k,
244 OPJ_UINT32 p_tile_no,
245 OPJ_UINT32 p_comp_no );
246
247 /**
248 * Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
249 * @param p_j2k the jpeg2000 codec.
250 * @param compno FIXME DOC
251 * @param p_header_data the data contained in the COM box.
252 * @param p_header_size the size of the data contained in the COM marker.
253 * @param p_manager the user event manager.
254 */
255 static OPJ_BOOL opj_j2k_read_SPCod_SPCoc( opj_j2k_t *p_j2k,
256 OPJ_UINT32 compno,
257 OPJ_BYTE * p_header_data,
258 OPJ_UINT32 * p_header_size,
259 opj_event_mgr_t * p_manager );
260
261 /**
262 * Gets the size taken by writing SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
263 *
264 * @param p_tile_no the tile index.
265 * @param p_comp_no the component being outputted.
266 * @param p_j2k the J2K codec.
267 *
268 * @return the number of bytes taken by the SPCod element.
269 */
270 static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size ( opj_j2k_t *p_j2k,
271 OPJ_UINT32 p_tile_no,
272 OPJ_UINT32 p_comp_no );
273
274 /**
275 * Writes a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
276 *
277 * @param p_tile_no the tile to output.
278 * @param p_comp_no the component number to output.
279 * @param p_data the data buffer.
280 * @param p_header_size pointer to the size of the data buffer, it is changed by the function.
281 * @param p_j2k J2K codec.
282 * @param p_manager the user event manager.
283 *
284 */
285 static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
286 OPJ_UINT32 p_tile_no,
287 OPJ_UINT32 p_comp_no,
288 OPJ_BYTE * p_data,
289 OPJ_UINT32 * p_header_size,
290 opj_event_mgr_t * p_manager);
291
292 /**
293 * Updates the Tile Length Marker.
294 */
295 static void opj_j2k_update_tlm ( opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size);
296
297 /**
298 * Reads a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
299 *
300 * @param p_j2k J2K codec.
301 * @param compno the component number to output.
302 * @param p_header_data the data buffer.
303 * @param p_header_size pointer to the size of the data buffer, it is changed by the function.
304 * @param p_manager the user event manager.
305 *
306 */
307 static OPJ_BOOL opj_j2k_read_SQcd_SQcc( opj_j2k_t *p_j2k,
308 OPJ_UINT32 compno,
309 OPJ_BYTE * p_header_data,
310 OPJ_UINT32 * p_header_size,
311 opj_event_mgr_t * p_manager );
312
313 /**
314 * Copies the tile component parameters of all the component from the first tile component.
315 *
316 * @param p_j2k the J2k codec.
317 */
318 static void opj_j2k_copy_tile_component_parameters( opj_j2k_t *p_j2k );
319
320 /**
321 * Copies the tile quantization parameters of all the component from the first tile component.
322 *
323 * @param p_j2k the J2k codec.
324 */
325 static void opj_j2k_copy_tile_quantization_parameters( opj_j2k_t *p_j2k );
326
327 /**
328 * Reads the tiles.
329 */
330 static OPJ_BOOL opj_j2k_decode_tiles ( opj_j2k_t *p_j2k,
331 opj_stream_private_t *p_stream,
332 opj_event_mgr_t * p_manager);
333
334 static OPJ_BOOL opj_j2k_pre_write_tile ( opj_j2k_t * p_j2k,
335 OPJ_UINT32 p_tile_index,
336 opj_stream_private_t *p_stream,
337 opj_event_mgr_t * p_manager );
338
339 static OPJ_BOOL opj_j2k_update_image_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data, opj_image_t* p_output_image);
340
341 static void opj_get_tile_dimensions(opj_image_t * l_image,
342 opj_tcd_tilecomp_t * l_tilec,
343 opj_image_comp_t * l_img_comp,
344 OPJ_UINT32* l_size_comp,
345 OPJ_UINT32* l_width,
346 OPJ_UINT32* l_height,
347 OPJ_UINT32* l_offset_x,
348 OPJ_UINT32* l_offset_y,
349 OPJ_UINT32* l_image_width,
350 OPJ_UINT32* l_stride,
351 OPJ_UINT32* l_tile_offset);
352
353 static void opj_j2k_get_tile_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data);
354
355 static OPJ_BOOL opj_j2k_post_write_tile (opj_j2k_t * p_j2k,
356 opj_stream_private_t *p_stream,
357 opj_event_mgr_t * p_manager );
358
359 /**
360 * Sets up the procedures to do on writing header.
361 * Developers wanting to extend the library can add their own writing procedures.
362 */
363 static OPJ_BOOL opj_j2k_setup_header_writing (opj_j2k_t *p_j2k, opj_event_mgr_t * p_manager);
364
365 static OPJ_BOOL opj_j2k_write_first_tile_part( opj_j2k_t *p_j2k,
366 OPJ_BYTE * p_data,
367 OPJ_UINT32 * p_data_written,
368 OPJ_UINT32 p_total_data_size,
369 opj_stream_private_t *p_stream,
370 struct opj_event_mgr * p_manager );
371
372 static OPJ_BOOL opj_j2k_write_all_tile_parts( opj_j2k_t *p_j2k,
373 OPJ_BYTE * p_data,
374 OPJ_UINT32 * p_data_written,
375 OPJ_UINT32 p_total_data_size,
376 opj_stream_private_t *p_stream,
377 struct opj_event_mgr * p_manager );
378
379 /**
380 * Gets the offset of the header.
381 *
382 * @param p_stream the stream to write data to.
383 * @param p_j2k J2K codec.
384 * @param p_manager the user event manager.
385 */
386 static OPJ_BOOL opj_j2k_get_end_header( opj_j2k_t *p_j2k,
387 opj_stream_private_t *p_stream,
388 opj_event_mgr_t * p_manager );
389
390 static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k);
391
392 /*
393 * -----------------------------------------------------------------------
394 * -----------------------------------------------------------------------
395 * -----------------------------------------------------------------------
396 */
397
398 /**
399 * Writes the SOC marker (Start Of Codestream)
400 *
401 * @param p_stream the stream to write data to.
402 * @param p_j2k J2K codec.
403 * @param p_manager the user event manager.
404 */
405 static OPJ_BOOL opj_j2k_write_soc( opj_j2k_t *p_j2k,
406 opj_stream_private_t *p_stream,
407 opj_event_mgr_t * p_manager );
408
409 /**
410 * Reads a SOC marker (Start of Codestream)
411 * @param p_j2k the jpeg2000 file codec.
412 * @param p_stream XXX needs data
413 * @param p_manager the user event manager.
414 */
415 static OPJ_BOOL opj_j2k_read_soc( opj_j2k_t *p_j2k,
416 opj_stream_private_t *p_stream,
417 opj_event_mgr_t * p_manager );
418
419 /**
420 * Writes the SIZ marker (image and tile size)
421 *
422 * @param p_j2k J2K codec.
423 * @param p_stream the stream to write data to.
424 * @param p_manager the user event manager.
425 */
426 static OPJ_BOOL opj_j2k_write_siz( opj_j2k_t *p_j2k,
427 opj_stream_private_t *p_stream,
428 opj_event_mgr_t * p_manager );
429
430 /**
431 * Reads a SIZ marker (image and tile size)
432 * @param p_j2k the jpeg2000 file codec.
433 * @param p_header_data the data contained in the SIZ box.
434 * @param p_header_size the size of the data contained in the SIZ marker.
435 * @param p_manager the user event manager.
436 */
437 static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
438 OPJ_BYTE * p_header_data,
439 OPJ_UINT32 p_header_size,
440 opj_event_mgr_t * p_manager);
441
442 /**
443 * Writes the COM marker (comment)
444 *
445 * @param p_stream the stream to write data to.
446 * @param p_j2k J2K codec.
447 * @param p_manager the user event manager.
448 */
449 static OPJ_BOOL opj_j2k_write_com( opj_j2k_t *p_j2k,
450 opj_stream_private_t *p_stream,
451 opj_event_mgr_t * p_manager );
452
453 /**
454 * Reads a COM marker (comments)
455 * @param p_j2k the jpeg2000 file codec.
456 * @param p_header_data the data contained in the COM box.
457 * @param p_header_size the size of the data contained in the COM marker.
458 * @param p_manager the user event manager.
459 */
460 static OPJ_BOOL opj_j2k_read_com ( opj_j2k_t *p_j2k,
461 OPJ_BYTE * p_header_data,
462 OPJ_UINT32 p_header_size,
463 opj_event_mgr_t * p_manager );
464 /**
465 * Writes the COD marker (Coding style default)
466 *
467 * @param p_stream the stream to write data to.
468 * @param p_j2k J2K codec.
469 * @param p_manager the user event manager.
470 */
471 static OPJ_BOOL opj_j2k_write_cod( opj_j2k_t *p_j2k,
472 opj_stream_private_t *p_stream,
473 opj_event_mgr_t * p_manager );
474
475 /**
476 * Reads a COD marker (Coding Styke defaults)
477 * @param p_header_data the data contained in the COD box.
478 * @param p_j2k the jpeg2000 codec.
479 * @param p_header_size the size of the data contained in the COD marker.
480 * @param p_manager the user event manager.
481 */
482 static OPJ_BOOL opj_j2k_read_cod ( opj_j2k_t *p_j2k,
483 OPJ_BYTE * p_header_data,
484 OPJ_UINT32 p_header_size,
485 opj_event_mgr_t * p_manager);
486
487 #if 0
488 /**
489 * Writes the COC marker (Coding style component)
490 *
491 * @param p_j2k J2K codec.
492 * @param p_comp_no the index of the component to output.
493 * @param p_stream the stream to write data to.
494 * @param p_manager the user event manager.
495 */
496 static OPJ_BOOL opj_j2k_write_coc( opj_j2k_t *p_j2k,
497 OPJ_UINT32 p_comp_no,
498 opj_stream_private_t *p_stream,
499 opj_event_mgr_t * p_manager );
500 #endif
501
502 #if 0
503 /**
504 * Writes the COC marker (Coding style component)
505 *
506 * @param p_j2k J2K codec.
507 * @param p_comp_no the index of the component to output.
508 * @param p_data FIXME DOC
509 * @param p_data_written FIXME DOC
510 * @param p_manager the user event manager.
511 */
512 static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
513 OPJ_UINT32 p_comp_no,
514 OPJ_BYTE * p_data,
515 OPJ_UINT32 * p_data_written,
516 opj_event_mgr_t * p_manager );
517 #endif
518
519 /**
520 * Gets the maximum size taken by a coc.
521 *
522 * @param p_j2k the jpeg2000 codec to use.
523 */
524 static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k);
525
526 /**
527 * Reads a COC marker (Coding Style Component)
528 * @param p_header_data the data contained in the COC box.
529 * @param p_j2k the jpeg2000 codec.
530 * @param p_header_size the size of the data contained in the COC marker.
531 * @param p_manager the user event manager.
532 */
533 static OPJ_BOOL opj_j2k_read_coc ( opj_j2k_t *p_j2k,
534 OPJ_BYTE * p_header_data,
535 OPJ_UINT32 p_header_size,
536 opj_event_mgr_t * p_manager );
537
538 /**
539 * Writes the QCD marker (quantization default)
540 *
541 * @param p_j2k J2K codec.
542 * @param p_stream the stream to write data to.
543 * @param p_manager the user event manager.
544 */
545 static OPJ_BOOL opj_j2k_write_qcd( opj_j2k_t *p_j2k,
546 opj_stream_private_t *p_stream,
547 opj_event_mgr_t * p_manager );
548
549 /**
550 * Reads a QCD marker (Quantization defaults)
551 * @param p_header_data the data contained in the QCD box.
552 * @param p_j2k the jpeg2000 codec.
553 * @param p_header_size the size of the data contained in the QCD marker.
554 * @param p_manager the user event manager.
555 */
556 static OPJ_BOOL opj_j2k_read_qcd ( opj_j2k_t *p_j2k,
557 OPJ_BYTE * p_header_data,
558 OPJ_UINT32 p_header_size,
559 opj_event_mgr_t * p_manager );
560 #if 0
561 /**
562 * Writes the QCC marker (quantization component)
563 *
564 * @param p_comp_no the index of the component to output.
565 * @param p_stream the stream to write data to.
566 * @param p_j2k J2K codec.
567 * @param p_manager the user event manager.
568 */
569 static OPJ_BOOL opj_j2k_write_qcc( opj_j2k_t *p_j2k,
570 OPJ_UINT32 p_comp_no,
571 opj_stream_private_t *p_stream,
572 opj_event_mgr_t * p_manager );
573 #endif
574
575 #if 0
576 /**
577 * Writes the QCC marker (quantization component)
578 *
579 * @param p_j2k J2K codec.
580 * @param p_comp_no the index of the component to output.
581 * @param p_data FIXME DOC
582 * @param p_data_written the stream to write data to.
583 * @param p_manager the user event manager.
584 */
585 static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
586 OPJ_UINT32 p_comp_no,
587 OPJ_BYTE * p_data,
588 OPJ_UINT32 * p_data_written,
589 opj_event_mgr_t * p_manager );
590 #endif
591
592 /**
593 * Gets the maximum size taken by a qcc.
594 */
595 static OPJ_UINT32 opj_j2k_get_max_qcc_size (opj_j2k_t *p_j2k);
596
597 /**
598 * Reads a QCC marker (Quantization component)
599 * @param p_header_data the data contained in the QCC box.
600 * @param p_j2k the jpeg2000 codec.
601 * @param p_header_size the size of the data contained in the QCC marker.
602 * @param p_manager the user event manager.
603 */
604 static OPJ_BOOL opj_j2k_read_qcc( opj_j2k_t *p_j2k,
605 OPJ_BYTE * p_header_data,
606 OPJ_UINT32 p_header_size,
607 opj_event_mgr_t * p_manager);
608 /**
609 * Writes the POC marker (Progression Order Change)
610 *
611 * @param p_stream the stream to write data to.
612 * @param p_j2k J2K codec.
613 * @param p_manager the user event manager.
614 */
615 static OPJ_BOOL opj_j2k_write_poc( opj_j2k_t *p_j2k,
616 opj_stream_private_t *p_stream,
617 opj_event_mgr_t * p_manager );
618 /**
619 * Writes the POC marker (Progression Order Change)
620 *
621 * @param p_j2k J2K codec.
622 * @param p_data FIXME DOC
623 * @param p_data_written the stream to write data to.
624 * @param p_manager the user event manager.
625 */
626 static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
627 OPJ_BYTE * p_data,
628 OPJ_UINT32 * p_data_written,
629 opj_event_mgr_t * p_manager );
630 /**
631 * Gets the maximum size taken by the writing of a POC.
632 */
633 static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k);
634
635 /**
636 * Reads a POC marker (Progression Order Change)
637 *
638 * @param p_header_data the data contained in the POC box.
639 * @param p_j2k the jpeg2000 codec.
640 * @param p_header_size the size of the data contained in the POC marker.
641 * @param p_manager the user event manager.
642 */
643 static OPJ_BOOL opj_j2k_read_poc ( opj_j2k_t *p_j2k,
644 OPJ_BYTE * p_header_data,
645 OPJ_UINT32 p_header_size,
646 opj_event_mgr_t * p_manager );
647
648 /**
649 * Gets the maximum size taken by the toc headers of all the tile parts of any given tile.
650 */
651 static OPJ_UINT32 opj_j2k_get_max_toc_size (opj_j2k_t *p_j2k);
652
653 /**
654 * Gets the maximum size taken by the headers of the SOT.
655 *
656 * @param p_j2k the jpeg2000 codec to use.
657 */
658 static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k);
659
660 /**
661 * Reads a CRG marker (Component registration)
662 *
663 * @param p_header_data the data contained in the TLM box.
664 * @param p_j2k the jpeg2000 codec.
665 * @param p_header_size the size of the data contained in the TLM marker.
666 * @param p_manager the user event manager.
667 */
668 static OPJ_BOOL opj_j2k_read_crg ( opj_j2k_t *p_j2k,
669 OPJ_BYTE * p_header_data,
670 OPJ_UINT32 p_header_size,
671 opj_event_mgr_t * p_manager );
672 /**
673 * Reads a TLM marker (Tile Length Marker)
674 *
675 * @param p_header_data the data contained in the TLM box.
676 * @param p_j2k the jpeg2000 codec.
677 * @param p_header_size the size of the data contained in the TLM marker.
678 * @param p_manager the user event manager.
679 */
680 static OPJ_BOOL opj_j2k_read_tlm ( opj_j2k_t *p_j2k,
681 OPJ_BYTE * p_header_data,
682 OPJ_UINT32 p_header_size,
683 opj_event_mgr_t * p_manager);
684
685 /**
686 * Writes the updated tlm.
687 *
688 * @param p_stream the stream to write data to.
689 * @param p_j2k J2K codec.
690 * @param p_manager the user event manager.
691 */
692 static OPJ_BOOL opj_j2k_write_updated_tlm( opj_j2k_t *p_j2k,
693 opj_stream_private_t *p_stream,
694 opj_event_mgr_t * p_manager );
695
696 /**
697 * Reads a PLM marker (Packet length, main header marker)
698 *
699 * @param p_header_data the data contained in the TLM box.
700 * @param p_j2k the jpeg2000 codec.
701 * @param p_header_size the size of the data contained in the TLM marker.
702 * @param p_manager the user event manager.
703 */
704 static OPJ_BOOL opj_j2k_read_plm ( opj_j2k_t *p_j2k,
705 OPJ_BYTE * p_header_data,
706 OPJ_UINT32 p_header_size,
707 opj_event_mgr_t * p_manager);
708 /**
709 * Reads a PLT marker (Packet length, tile-part header)
710 *
711 * @param p_header_data the data contained in the PLT box.
712 * @param p_j2k the jpeg2000 codec.
713 * @param p_header_size the size of the data contained in the PLT marker.
714 * @param p_manager the user event manager.
715 */
716 static OPJ_BOOL opj_j2k_read_plt ( opj_j2k_t *p_j2k,
717 OPJ_BYTE * p_header_data,
718 OPJ_UINT32 p_header_size,
719 opj_event_mgr_t * p_manager );
720
721 /**
722 * Reads a PPM marker (Packed headers, main header)
723 *
724 * @param p_header_data the data contained in the POC box.
725 * @param p_j2k the jpeg2000 codec.
726 * @param p_header_size the size of the data contained in the POC marker.
727 * @param p_manager the user event manager.
728 */
729
730 static OPJ_BOOL opj_j2k_read_ppm (
731 opj_j2k_t *p_j2k,
732 OPJ_BYTE * p_header_data,
733 OPJ_UINT32 p_header_size,
734 opj_event_mgr_t * p_manager );
735
736 /**
737 * Merges all PPM markers read (Packed headers, main header)
738 *
739 * @param p_cp main coding parameters.
740 * @param p_manager the user event manager.
741 */
742 static OPJ_BOOL opj_j2k_merge_ppm ( opj_cp_t *p_cp, opj_event_mgr_t * p_manager );
743
744 /**
745 * Reads a PPT marker (Packed packet headers, tile-part header)
746 *
747 * @param p_header_data the data contained in the PPT box.
748 * @param p_j2k the jpeg2000 codec.
749 * @param p_header_size the size of the data contained in the PPT marker.
750 * @param p_manager the user event manager.
751 */
752 static OPJ_BOOL opj_j2k_read_ppt ( opj_j2k_t *p_j2k,
753 OPJ_BYTE * p_header_data,
754 OPJ_UINT32 p_header_size,
755 opj_event_mgr_t * p_manager );
756
757 /**
758 * Merges all PPT markers read (Packed headers, tile-part header)
759 *
760 * @param p_tcp the tile.
761 * @param p_manager the user event manager.
762 */
763 static OPJ_BOOL opj_j2k_merge_ppt ( opj_tcp_t *p_tcp,
764 opj_event_mgr_t * p_manager );
765
766
767 /**
768 * Writes the TLM marker (Tile Length Marker)
769 *
770 * @param p_stream the stream to write data to.
771 * @param p_j2k J2K codec.
772 * @param p_manager the user event manager.
773 */
774 static OPJ_BOOL opj_j2k_write_tlm( opj_j2k_t *p_j2k,
775 opj_stream_private_t *p_stream,
776 opj_event_mgr_t * p_manager );
777
778 /**
779 * Writes the SOT marker (Start of tile-part)
780 *
781 * @param p_j2k J2K codec.
782 * @param p_data FIXME DOC
783 * @param p_data_written FIXME DOC
784 * @param p_stream the stream to write data to.
785 * @param p_manager the user event manager.
786 */
787 static OPJ_BOOL opj_j2k_write_sot( opj_j2k_t *p_j2k,
788 OPJ_BYTE * p_data,
789 OPJ_UINT32 * p_data_written,
790 const opj_stream_private_t *p_stream,
791 opj_event_mgr_t * p_manager );
792
793 /**
794 * Reads values from a SOT marker (Start of tile-part)
795 *
796 * the j2k decoder state is not affected. No side effects, no checks except for p_header_size.
797 *
798 * @param p_header_data the data contained in the SOT marker.
799 * @param p_header_size the size of the data contained in the SOT marker.
800 * @param p_tile_no Isot.
801 * @param p_tot_len Psot.
802 * @param p_current_part TPsot.
803 * @param p_num_parts TNsot.
804 * @param p_manager the user event manager.
805 */
806 static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
807 OPJ_UINT32 p_header_size,
808 OPJ_UINT32* p_tile_no,
809 OPJ_UINT32* p_tot_len,
810 OPJ_UINT32* p_current_part,
811 OPJ_UINT32* p_num_parts,
812 opj_event_mgr_t * p_manager );
813 /**
814 * Reads a SOT marker (Start of tile-part)
815 *
816 * @param p_header_data the data contained in the SOT marker.
817 * @param p_j2k the jpeg2000 codec.
818 * @param p_header_size the size of the data contained in the PPT marker.
819 * @param p_manager the user event manager.
820 */
821 static OPJ_BOOL opj_j2k_read_sot ( opj_j2k_t *p_j2k,
822 OPJ_BYTE * p_header_data,
823 OPJ_UINT32 p_header_size,
824 opj_event_mgr_t * p_manager );
825 /**
826 * Writes the SOD marker (Start of data)
827 *
828 * @param p_j2k J2K codec.
829 * @param p_tile_coder FIXME DOC
830 * @param p_data FIXME DOC
831 * @param p_data_written FIXME DOC
832 * @param p_total_data_size FIXME DOC
833 * @param p_stream the stream to write data to.
834 * @param p_manager the user event manager.
835 */
836 static OPJ_BOOL opj_j2k_write_sod( opj_j2k_t *p_j2k,
837 opj_tcd_t * p_tile_coder,
838 OPJ_BYTE * p_data,
839 OPJ_UINT32 * p_data_written,
840 OPJ_UINT32 p_total_data_size,
841 const opj_stream_private_t *p_stream,
842 opj_event_mgr_t * p_manager );
843
844 /**
845 * Reads a SOD marker (Start Of Data)
846 *
847 * @param p_j2k the jpeg2000 codec.
848 * @param p_stream FIXME DOC
849 * @param p_manager the user event manager.
850 */
851 static OPJ_BOOL opj_j2k_read_sod( opj_j2k_t *p_j2k,
852 opj_stream_private_t *p_stream,
853 opj_event_mgr_t * p_manager );
854
opj_j2k_update_tlm(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_part_size)855 static void opj_j2k_update_tlm (opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size )
856 {
857 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,p_j2k->m_current_tile_number,1); /* PSOT */
858 ++p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current;
859
860 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,p_tile_part_size,4); /* PSOT */
861 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 4;
862 }
863
864 /**
865 * Writes the RGN marker (Region Of Interest)
866 *
867 * @param p_tile_no the tile to output
868 * @param p_comp_no the component to output
869 * @param nb_comps the number of components
870 * @param p_stream the stream to write data to.
871 * @param p_j2k J2K codec.
872 * @param p_manager the user event manager.
873 */
874 static OPJ_BOOL opj_j2k_write_rgn( opj_j2k_t *p_j2k,
875 OPJ_UINT32 p_tile_no,
876 OPJ_UINT32 p_comp_no,
877 OPJ_UINT32 nb_comps,
878 opj_stream_private_t *p_stream,
879 opj_event_mgr_t * p_manager );
880
881 /**
882 * Reads a RGN marker (Region Of Interest)
883 *
884 * @param p_header_data the data contained in the POC box.
885 * @param p_j2k the jpeg2000 codec.
886 * @param p_header_size the size of the data contained in the POC marker.
887 * @param p_manager the user event manager.
888 */
889 static OPJ_BOOL opj_j2k_read_rgn (opj_j2k_t *p_j2k,
890 OPJ_BYTE * p_header_data,
891 OPJ_UINT32 p_header_size,
892 opj_event_mgr_t * p_manager );
893
894 /**
895 * Writes the EOC marker (End of Codestream)
896 *
897 * @param p_stream the stream to write data to.
898 * @param p_j2k J2K codec.
899 * @param p_manager the user event manager.
900 */
901 static OPJ_BOOL opj_j2k_write_eoc( opj_j2k_t *p_j2k,
902 opj_stream_private_t *p_stream,
903 opj_event_mgr_t * p_manager );
904
905 #if 0
906 /**
907 * Reads a EOC marker (End Of Codestream)
908 *
909 * @param p_j2k the jpeg2000 codec.
910 * @param p_stream FIXME DOC
911 * @param p_manager the user event manager.
912 */
913 static OPJ_BOOL opj_j2k_read_eoc ( opj_j2k_t *p_j2k,
914 opj_stream_private_t *p_stream,
915 opj_event_mgr_t * p_manager );
916 #endif
917
918 /**
919 * Writes the CBD-MCT-MCC-MCO markers (Multi components transform)
920 *
921 * @param p_stream the stream to write data to.
922 * @param p_j2k J2K codec.
923 * @param p_manager the user event manager.
924 */
925 static OPJ_BOOL opj_j2k_write_mct_data_group( opj_j2k_t *p_j2k,
926 opj_stream_private_t *p_stream,
927 opj_event_mgr_t * p_manager );
928
929 /**
930 * Inits the Info
931 *
932 * @param p_stream the stream to write data to.
933 * @param p_j2k J2K codec.
934 * @param p_manager the user event manager.
935 */
936 static OPJ_BOOL opj_j2k_init_info( opj_j2k_t *p_j2k,
937 opj_stream_private_t *p_stream,
938 opj_event_mgr_t * p_manager );
939
940 /**
941 Add main header marker information
942 @param cstr_index Codestream information structure
943 @param type marker type
944 @param pos byte offset of marker segment
945 @param len length of marker segment
946 */
947 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) ;
948 /**
949 Add tile header marker information
950 @param tileno tile index number
951 @param cstr_index Codestream information structure
952 @param type marker type
953 @param pos byte offset of marker segment
954 @param len length of marker segment
955 */
956 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno, opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len);
957
958 /**
959 * Reads an unknown marker
960 *
961 * @param p_j2k the jpeg2000 codec.
962 * @param p_stream the stream object to read from.
963 * @param output_marker FIXME DOC
964 * @param p_manager the user event manager.
965 *
966 * @return true if the marker could be deduced.
967 */
968 static OPJ_BOOL opj_j2k_read_unk( opj_j2k_t *p_j2k,
969 opj_stream_private_t *p_stream,
970 OPJ_UINT32 *output_marker,
971 opj_event_mgr_t * p_manager );
972
973 /**
974 * Writes the MCT marker (Multiple Component Transform)
975 *
976 * @param p_j2k J2K codec.
977 * @param p_mct_record FIXME DOC
978 * @param p_stream the stream to write data to.
979 * @param p_manager the user event manager.
980 */
981 static OPJ_BOOL opj_j2k_write_mct_record( opj_j2k_t *p_j2k,
982 opj_mct_data_t * p_mct_record,
983 opj_stream_private_t *p_stream,
984 opj_event_mgr_t * p_manager );
985
986 /**
987 * Reads a MCT marker (Multiple Component Transform)
988 *
989 * @param p_header_data the data contained in the MCT box.
990 * @param p_j2k the jpeg2000 codec.
991 * @param p_header_size the size of the data contained in the MCT marker.
992 * @param p_manager the user event manager.
993 */
994 static OPJ_BOOL opj_j2k_read_mct ( opj_j2k_t *p_j2k,
995 OPJ_BYTE * p_header_data,
996 OPJ_UINT32 p_header_size,
997 opj_event_mgr_t * p_manager );
998
999 /**
1000 * Writes the MCC marker (Multiple Component Collection)
1001 *
1002 * @param p_j2k J2K codec.
1003 * @param p_mcc_record FIXME DOC
1004 * @param p_stream the stream to write data to.
1005 * @param p_manager the user event manager.
1006 */
1007 static OPJ_BOOL opj_j2k_write_mcc_record( opj_j2k_t *p_j2k,
1008 opj_simple_mcc_decorrelation_data_t * p_mcc_record,
1009 opj_stream_private_t *p_stream,
1010 opj_event_mgr_t * p_manager );
1011
1012 /**
1013 * Reads a MCC marker (Multiple Component Collection)
1014 *
1015 * @param p_header_data the data contained in the MCC box.
1016 * @param p_j2k the jpeg2000 codec.
1017 * @param p_header_size the size of the data contained in the MCC marker.
1018 * @param p_manager the user event manager.
1019 */
1020 static OPJ_BOOL opj_j2k_read_mcc ( opj_j2k_t *p_j2k,
1021 OPJ_BYTE * p_header_data,
1022 OPJ_UINT32 p_header_size,
1023 opj_event_mgr_t * p_manager );
1024
1025 /**
1026 * Writes the MCO marker (Multiple component transformation ordering)
1027 *
1028 * @param p_stream the stream to write data to.
1029 * @param p_j2k J2K codec.
1030 * @param p_manager the user event manager.
1031 */
1032 static OPJ_BOOL opj_j2k_write_mco( opj_j2k_t *p_j2k,
1033 opj_stream_private_t *p_stream,
1034 opj_event_mgr_t * p_manager );
1035
1036 /**
1037 * Reads a MCO marker (Multiple Component Transform Ordering)
1038 *
1039 * @param p_header_data the data contained in the MCO box.
1040 * @param p_j2k the jpeg2000 codec.
1041 * @param p_header_size the size of the data contained in the MCO marker.
1042 * @param p_manager the user event manager.
1043 */
1044 static OPJ_BOOL opj_j2k_read_mco ( opj_j2k_t *p_j2k,
1045 OPJ_BYTE * p_header_data,
1046 OPJ_UINT32 p_header_size,
1047 opj_event_mgr_t * p_manager );
1048
1049 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image, OPJ_UINT32 p_index);
1050
1051 static void opj_j2k_read_int16_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1052 static void opj_j2k_read_int32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1053 static void opj_j2k_read_float32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1054 static void opj_j2k_read_float64_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1055
1056 static void opj_j2k_read_int16_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1057 static void opj_j2k_read_int32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1058 static void opj_j2k_read_float32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1059 static void opj_j2k_read_float64_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1060
1061 static void opj_j2k_write_float_to_int16 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1062 static void opj_j2k_write_float_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1063 static void opj_j2k_write_float_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1064 static void opj_j2k_write_float_to_float64 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1065
1066 /**
1067 * Ends the encoding, i.e. frees memory.
1068 *
1069 * @param p_stream the stream to write data to.
1070 * @param p_j2k J2K codec.
1071 * @param p_manager the user event manager.
1072 */
1073 static OPJ_BOOL opj_j2k_end_encoding( opj_j2k_t *p_j2k,
1074 opj_stream_private_t *p_stream,
1075 opj_event_mgr_t * p_manager );
1076
1077 /**
1078 * Writes the CBD marker (Component bit depth definition)
1079 *
1080 * @param p_stream the stream to write data to.
1081 * @param p_j2k J2K codec.
1082 * @param p_manager the user event manager.
1083 */
1084 static OPJ_BOOL opj_j2k_write_cbd( opj_j2k_t *p_j2k,
1085 opj_stream_private_t *p_stream,
1086 opj_event_mgr_t * p_manager );
1087
1088 /**
1089 * Reads a CBD marker (Component bit depth definition)
1090 * @param p_header_data the data contained in the CBD box.
1091 * @param p_j2k the jpeg2000 codec.
1092 * @param p_header_size the size of the data contained in the CBD marker.
1093 * @param p_manager the user event manager.
1094 */
1095 static OPJ_BOOL opj_j2k_read_cbd ( opj_j2k_t *p_j2k,
1096 OPJ_BYTE * p_header_data,
1097 OPJ_UINT32 p_header_size,
1098 opj_event_mgr_t * p_manager);
1099
1100 #if 0
1101 /**
1102 * Writes COC marker for each component.
1103 *
1104 * @param p_stream the stream to write data to.
1105 * @param p_j2k J2K codec.
1106 * @param p_manager the user event manager.
1107 */
1108 static OPJ_BOOL opj_j2k_write_all_coc( opj_j2k_t *p_j2k,
1109 opj_stream_private_t *p_stream,
1110 opj_event_mgr_t * p_manager );
1111 #endif
1112
1113 #if 0
1114 /**
1115 * Writes QCC marker for each component.
1116 *
1117 * @param p_stream the stream to write data to.
1118 * @param p_j2k J2K codec.
1119 * @param p_manager the user event manager.
1120 */
1121 static OPJ_BOOL opj_j2k_write_all_qcc( opj_j2k_t *p_j2k,
1122 opj_stream_private_t *p_stream,
1123 opj_event_mgr_t * p_manager );
1124 #endif
1125
1126 /**
1127 * Writes regions of interests.
1128 *
1129 * @param p_stream the stream to write data to.
1130 * @param p_j2k J2K codec.
1131 * @param p_manager the user event manager.
1132 */
1133 static OPJ_BOOL opj_j2k_write_regions( opj_j2k_t *p_j2k,
1134 opj_stream_private_t *p_stream,
1135 opj_event_mgr_t * p_manager );
1136
1137 /**
1138 * Writes EPC ????
1139 *
1140 * @param p_stream the stream to write data to.
1141 * @param p_j2k J2K codec.
1142 * @param p_manager the user event manager.
1143 */
1144 static OPJ_BOOL opj_j2k_write_epc( opj_j2k_t *p_j2k,
1145 opj_stream_private_t *p_stream,
1146 opj_event_mgr_t * p_manager );
1147
1148 /**
1149 * Checks the progression order changes values. Tells of the poc given as input are valid.
1150 * A nice message is outputted at errors.
1151 *
1152 * @param p_pocs the progression order changes.
1153 * @param p_nb_pocs the number of progression order changes.
1154 * @param p_nb_resolutions the number of resolutions.
1155 * @param numcomps the number of components
1156 * @param numlayers the number of layers.
1157 * @param p_manager the user event manager.
1158 *
1159 * @return true if the pocs are valid.
1160 */
1161 static OPJ_BOOL opj_j2k_check_poc_val( const opj_poc_t *p_pocs,
1162 OPJ_UINT32 p_nb_pocs,
1163 OPJ_UINT32 p_nb_resolutions,
1164 OPJ_UINT32 numcomps,
1165 OPJ_UINT32 numlayers,
1166 opj_event_mgr_t * p_manager);
1167
1168 /**
1169 * Gets the number of tile parts used for the given change of progression (if any) and the given tile.
1170 *
1171 * @param cp the coding parameters.
1172 * @param pino the offset of the given poc (i.e. its position in the coding parameter).
1173 * @param tileno the given tile.
1174 *
1175 * @return the number of tile parts.
1176 */
1177 static OPJ_UINT32 opj_j2k_get_num_tp( opj_cp_t *cp, OPJ_UINT32 pino, OPJ_UINT32 tileno);
1178
1179 /**
1180 * Calculates the total number of tile parts needed by the encoder to
1181 * encode such an image. If not enough memory is available, then the function return false.
1182 *
1183 * @param p_nb_tiles pointer that will hold the number of tile parts.
1184 * @param cp the coding parameters for the image.
1185 * @param image the image to encode.
1186 * @param p_j2k the p_j2k encoder.
1187 * @param p_manager the user event manager.
1188 *
1189 * @return true if the function was successful, false else.
1190 */
1191 static OPJ_BOOL opj_j2k_calculate_tp( opj_j2k_t *p_j2k,
1192 opj_cp_t *cp,
1193 OPJ_UINT32 * p_nb_tiles,
1194 opj_image_t *image,
1195 opj_event_mgr_t * p_manager);
1196
1197 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream);
1198
1199 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream);
1200
1201 static opj_codestream_index_t* opj_j2k_create_cstr_index(void);
1202
1203 static OPJ_FLOAT32 opj_j2k_get_tp_stride (opj_tcp_t * p_tcp);
1204
1205 static OPJ_FLOAT32 opj_j2k_get_default_stride (opj_tcp_t * p_tcp);
1206
1207 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres);
1208
1209 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters, opj_image_t *image, opj_event_mgr_t *p_manager);
1210
1211 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz, opj_event_mgr_t *p_manager);
1212
1213 /**
1214 * Checks for invalid number of tile-parts in SOT marker (TPsot==TNsot). See issue 254.
1215 *
1216 * @param p_stream the stream to read data from.
1217 * @param tile_no tile number we're looking for.
1218 * @param p_correction_needed output value. if true, non conformant codestream needs TNsot correction.
1219 * @param p_manager the user event manager.
1220 *
1221 * @return true if the function was successful, false else.
1222 */
1223 static OPJ_BOOL 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 );
1224
1225 /*@}*/
1226
1227 /*@}*/
1228
1229 /* ----------------------------------------------------------------------- */
1230 typedef struct j2k_prog_order{
1231 OPJ_PROG_ORDER enum_prog;
1232 char str_prog[5];
1233 }j2k_prog_order_t;
1234
1235 static j2k_prog_order_t j2k_prog_order_list[] = {
1236 {OPJ_CPRL, "CPRL"},
1237 {OPJ_LRCP, "LRCP"},
1238 {OPJ_PCRL, "PCRL"},
1239 {OPJ_RLCP, "RLCP"},
1240 {OPJ_RPCL, "RPCL"},
1241 {(OPJ_PROG_ORDER)-1, ""}
1242 };
1243
1244 /**
1245 * FIXME DOC
1246 */
1247 static const OPJ_UINT32 MCT_ELEMENT_SIZE [] =
1248 {
1249 2,
1250 4,
1251 4,
1252 8
1253 };
1254
1255 typedef void (* opj_j2k_mct_function) (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem);
1256
1257 static const opj_j2k_mct_function j2k_mct_read_functions_to_float [] =
1258 {
1259 opj_j2k_read_int16_to_float,
1260 opj_j2k_read_int32_to_float,
1261 opj_j2k_read_float32_to_float,
1262 opj_j2k_read_float64_to_float
1263 };
1264
1265 static const opj_j2k_mct_function j2k_mct_read_functions_to_int32 [] =
1266 {
1267 opj_j2k_read_int16_to_int32,
1268 opj_j2k_read_int32_to_int32,
1269 opj_j2k_read_float32_to_int32,
1270 opj_j2k_read_float64_to_int32
1271 };
1272
1273 static const opj_j2k_mct_function j2k_mct_write_functions_from_float [] =
1274 {
1275 opj_j2k_write_float_to_int16,
1276 opj_j2k_write_float_to_int32,
1277 opj_j2k_write_float_to_float,
1278 opj_j2k_write_float_to_float64
1279 };
1280
1281 typedef struct opj_dec_memory_marker_handler
1282 {
1283 /** marker value */
1284 OPJ_UINT32 id;
1285 /** value of the state when the marker can appear */
1286 OPJ_UINT32 states;
1287 /** action linked to the marker */
1288 OPJ_BOOL (*handler) ( opj_j2k_t *p_j2k,
1289 OPJ_BYTE * p_header_data,
1290 OPJ_UINT32 p_header_size,
1291 opj_event_mgr_t * p_manager );
1292 }
1293 opj_dec_memory_marker_handler_t;
1294
1295 static const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab [] =
1296 {
1297 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, opj_j2k_read_sot},
1298 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_cod},
1299 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_coc},
1300 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_rgn},
1301 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcd},
1302 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcc},
1303 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_poc},
1304 {J2K_MS_SIZ, J2K_STATE_MHSIZ, opj_j2k_read_siz},
1305 {J2K_MS_TLM, J2K_STATE_MH, opj_j2k_read_tlm},
1306 {J2K_MS_PLM, J2K_STATE_MH, opj_j2k_read_plm},
1307 {J2K_MS_PLT, J2K_STATE_TPH, opj_j2k_read_plt},
1308 {J2K_MS_PPM, J2K_STATE_MH, opj_j2k_read_ppm},
1309 {J2K_MS_PPT, J2K_STATE_TPH, opj_j2k_read_ppt},
1310 {J2K_MS_SOP, 0, 0},
1311 {J2K_MS_CRG, J2K_STATE_MH, opj_j2k_read_crg},
1312 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_com},
1313 {J2K_MS_MCT, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mct},
1314 {J2K_MS_CBD, J2K_STATE_MH , opj_j2k_read_cbd},
1315 {J2K_MS_MCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mcc},
1316 {J2K_MS_MCO, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mco},
1317 #ifdef USE_JPWL
1318 #ifdef TODO_MS /* remove these functions which are not commpatible with the v2 API */
1319 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1320 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1321 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1322 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1323 #endif
1324 #endif /* USE_JPWL */
1325 #ifdef USE_JPSEC
1326 {J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec},
1327 {J2K_MS_INSEC, 0, j2k_read_insec}
1328 #endif /* USE_JPSEC */
1329 {J2K_MS_UNK, J2K_STATE_MH | J2K_STATE_TPH, 0}/*opj_j2k_read_unk is directly used*/
1330 };
1331
opj_j2k_read_int16_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1332 static void opj_j2k_read_int16_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
1333 {
1334 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1335 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1336 OPJ_UINT32 i;
1337 OPJ_UINT32 l_temp;
1338
1339 for (i=0;i<p_nb_elem;++i) {
1340 opj_read_bytes(l_src_data,&l_temp,2);
1341
1342 l_src_data+=sizeof(OPJ_INT16);
1343
1344 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1345 }
1346 }
1347
opj_j2k_read_int32_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1348 static void opj_j2k_read_int32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
1349 {
1350 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1351 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1352 OPJ_UINT32 i;
1353 OPJ_UINT32 l_temp;
1354
1355 for (i=0;i<p_nb_elem;++i) {
1356 opj_read_bytes(l_src_data,&l_temp,4);
1357
1358 l_src_data+=sizeof(OPJ_INT32);
1359
1360 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1361 }
1362 }
1363
opj_j2k_read_float32_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1364 static void opj_j2k_read_float32_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
1365 {
1366 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1367 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1368 OPJ_UINT32 i;
1369 OPJ_FLOAT32 l_temp;
1370
1371 for (i=0;i<p_nb_elem;++i) {
1372 opj_read_float(l_src_data,&l_temp);
1373
1374 l_src_data+=sizeof(OPJ_FLOAT32);
1375
1376 *(l_dest_data++) = l_temp;
1377 }
1378 }
1379
opj_j2k_read_float64_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1380 static void opj_j2k_read_float64_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
1381 {
1382 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1383 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1384 OPJ_UINT32 i;
1385 OPJ_FLOAT64 l_temp;
1386
1387 for (i=0;i<p_nb_elem;++i) {
1388 opj_read_double(l_src_data,&l_temp);
1389
1390 l_src_data+=sizeof(OPJ_FLOAT64);
1391
1392 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1393 }
1394 }
1395
opj_j2k_read_int16_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1396 static void opj_j2k_read_int16_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
1397 {
1398 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1399 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1400 OPJ_UINT32 i;
1401 OPJ_UINT32 l_temp;
1402
1403 for (i=0;i<p_nb_elem;++i) {
1404 opj_read_bytes(l_src_data,&l_temp,2);
1405
1406 l_src_data+=sizeof(OPJ_INT16);
1407
1408 *(l_dest_data++) = (OPJ_INT32) l_temp;
1409 }
1410 }
1411
opj_j2k_read_int32_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1412 static void opj_j2k_read_int32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
1413 {
1414 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1415 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1416 OPJ_UINT32 i;
1417 OPJ_UINT32 l_temp;
1418
1419 for (i=0;i<p_nb_elem;++i) {
1420 opj_read_bytes(l_src_data,&l_temp,4);
1421
1422 l_src_data+=sizeof(OPJ_INT32);
1423
1424 *(l_dest_data++) = (OPJ_INT32) l_temp;
1425 }
1426 }
1427
opj_j2k_read_float32_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1428 static void opj_j2k_read_float32_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
1429 {
1430 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1431 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1432 OPJ_UINT32 i;
1433 OPJ_FLOAT32 l_temp;
1434
1435 for (i=0;i<p_nb_elem;++i) {
1436 opj_read_float(l_src_data,&l_temp);
1437
1438 l_src_data+=sizeof(OPJ_FLOAT32);
1439
1440 *(l_dest_data++) = (OPJ_INT32) l_temp;
1441 }
1442 }
1443
opj_j2k_read_float64_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1444 static void opj_j2k_read_float64_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
1445 {
1446 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1447 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1448 OPJ_UINT32 i;
1449 OPJ_FLOAT64 l_temp;
1450
1451 for (i=0;i<p_nb_elem;++i) {
1452 opj_read_double(l_src_data,&l_temp);
1453
1454 l_src_data+=sizeof(OPJ_FLOAT64);
1455
1456 *(l_dest_data++) = (OPJ_INT32) l_temp;
1457 }
1458 }
1459
opj_j2k_write_float_to_int16(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1460 static void opj_j2k_write_float_to_int16 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
1461 {
1462 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1463 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1464 OPJ_UINT32 i;
1465 OPJ_UINT32 l_temp;
1466
1467 for (i=0;i<p_nb_elem;++i) {
1468 l_temp = (OPJ_UINT32) *(l_src_data++);
1469
1470 opj_write_bytes(l_dest_data,l_temp,sizeof(OPJ_INT16));
1471
1472 l_dest_data+=sizeof(OPJ_INT16);
1473 }
1474 }
1475
opj_j2k_write_float_to_int32(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1476 static void opj_j2k_write_float_to_int32 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
1477 {
1478 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1479 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1480 OPJ_UINT32 i;
1481 OPJ_UINT32 l_temp;
1482
1483 for (i=0;i<p_nb_elem;++i) {
1484 l_temp = (OPJ_UINT32) *(l_src_data++);
1485
1486 opj_write_bytes(l_dest_data,l_temp,sizeof(OPJ_INT32));
1487
1488 l_dest_data+=sizeof(OPJ_INT32);
1489 }
1490 }
1491
opj_j2k_write_float_to_float(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1492 static void opj_j2k_write_float_to_float (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
1493 {
1494 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1495 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1496 OPJ_UINT32 i;
1497 OPJ_FLOAT32 l_temp;
1498
1499 for (i=0;i<p_nb_elem;++i) {
1500 l_temp = (OPJ_FLOAT32) *(l_src_data++);
1501
1502 opj_write_float(l_dest_data,l_temp);
1503
1504 l_dest_data+=sizeof(OPJ_FLOAT32);
1505 }
1506 }
1507
opj_j2k_write_float_to_float64(const void * p_src_data,void * p_dest_data,OPJ_UINT32 p_nb_elem)1508 static void opj_j2k_write_float_to_float64 (const void * p_src_data, void * p_dest_data, OPJ_UINT32 p_nb_elem)
1509 {
1510 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1511 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1512 OPJ_UINT32 i;
1513 OPJ_FLOAT64 l_temp;
1514
1515 for (i=0;i<p_nb_elem;++i) {
1516 l_temp = (OPJ_FLOAT64) *(l_src_data++);
1517
1518 opj_write_double(l_dest_data,l_temp);
1519
1520 l_dest_data+=sizeof(OPJ_FLOAT64);
1521 }
1522 }
1523
opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)1524 char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order){
1525 j2k_prog_order_t *po;
1526 for(po = j2k_prog_order_list; po->enum_prog != -1; po++ ){
1527 if(po->enum_prog == prg_order){
1528 return po->str_prog;
1529 }
1530 }
1531 return po->str_prog;
1532 }
1533
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)1534 static OPJ_BOOL opj_j2k_check_poc_val( const opj_poc_t *p_pocs,
1535 OPJ_UINT32 p_nb_pocs,
1536 OPJ_UINT32 p_nb_resolutions,
1537 OPJ_UINT32 p_num_comps,
1538 OPJ_UINT32 p_num_layers,
1539 opj_event_mgr_t * p_manager)
1540 {
1541 OPJ_UINT32* packet_array;
1542 OPJ_UINT32 index , resno, compno, layno;
1543 OPJ_UINT32 i;
1544 OPJ_UINT32 step_c = 1;
1545 OPJ_UINT32 step_r = p_num_comps * step_c;
1546 OPJ_UINT32 step_l = p_nb_resolutions * step_r;
1547 OPJ_BOOL loss = OPJ_FALSE;
1548 OPJ_UINT32 layno0 = 0;
1549
1550 packet_array = (OPJ_UINT32*) opj_calloc(step_l * p_num_layers, sizeof(OPJ_UINT32));
1551 if (packet_array == 00) {
1552 opj_event_msg(p_manager , EVT_ERROR, "Not enough memory for checking the poc values.\n");
1553 return OPJ_FALSE;
1554 }
1555
1556 if (p_nb_pocs == 0) {
1557 opj_free(packet_array);
1558 return OPJ_TRUE;
1559 }
1560
1561 index = step_r * p_pocs->resno0;
1562 /* take each resolution for each poc */
1563 for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno)
1564 {
1565 OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
1566
1567 /* take each comp of each resolution for each poc */
1568 for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
1569 OPJ_UINT32 comp_index = res_index + layno0 * step_l;
1570
1571 /* and finally take each layer of each res of ... */
1572 for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
1573 /*index = step_r * resno + step_c * compno + step_l * layno;*/
1574 packet_array[comp_index] = 1;
1575 comp_index += step_l;
1576 }
1577
1578 res_index += step_c;
1579 }
1580
1581 index += step_r;
1582 }
1583 ++p_pocs;
1584
1585 /* iterate through all the pocs */
1586 for (i = 1; i < p_nb_pocs ; ++i) {
1587 OPJ_UINT32 l_last_layno1 = (p_pocs-1)->layno1 ;
1588
1589 layno0 = (p_pocs->layno1 > l_last_layno1)? l_last_layno1 : 0;
1590 index = step_r * p_pocs->resno0;
1591
1592 /* take each resolution for each poc */
1593 for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) {
1594 OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
1595
1596 /* take each comp of each resolution for each poc */
1597 for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
1598 OPJ_UINT32 comp_index = res_index + layno0 * step_l;
1599
1600 /* and finally take each layer of each res of ... */
1601 for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
1602 /*index = step_r * resno + step_c * compno + step_l * layno;*/
1603 packet_array[comp_index] = 1;
1604 comp_index += step_l;
1605 }
1606
1607 res_index += step_c;
1608 }
1609
1610 index += step_r;
1611 }
1612
1613 ++p_pocs;
1614 }
1615
1616 index = 0;
1617 for (layno = 0; layno < p_num_layers ; ++layno) {
1618 for (resno = 0; resno < p_nb_resolutions; ++resno) {
1619 for (compno = 0; compno < p_num_comps; ++compno) {
1620 loss |= (packet_array[index]!=1);
1621 /*index = step_r * resno + step_c * compno + step_l * layno;*/
1622 index += step_c;
1623 }
1624 }
1625 }
1626
1627 if (loss) {
1628 opj_event_msg(p_manager , EVT_ERROR, "Missing packets possible loss of data\n");
1629 }
1630
1631 opj_free(packet_array);
1632
1633 return !loss;
1634 }
1635
1636 /* ----------------------------------------------------------------------- */
1637
opj_j2k_get_num_tp(opj_cp_t * cp,OPJ_UINT32 pino,OPJ_UINT32 tileno)1638 static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino, OPJ_UINT32 tileno)
1639 {
1640 const OPJ_CHAR *prog = 00;
1641 OPJ_INT32 i;
1642 OPJ_UINT32 tpnum = 1;
1643 opj_tcp_t *tcp = 00;
1644 opj_poc_t * l_current_poc = 00;
1645
1646 /* preconditions */
1647 assert(tileno < (cp->tw * cp->th));
1648 assert(pino < (cp->tcps[tileno].numpocs + 1));
1649
1650 /* get the given tile coding parameter */
1651 tcp = &cp->tcps[tileno];
1652 assert(tcp != 00);
1653
1654 l_current_poc = &(tcp->pocs[pino]);
1655 assert(l_current_poc != 0);
1656
1657 /* get the progression order as a character string */
1658 prog = opj_j2k_convert_progression_order(tcp->prg);
1659 assert(strlen(prog) > 0);
1660
1661 if (cp->m_specific_param.m_enc.m_tp_on == 1) {
1662 for (i=0;i<4;++i) {
1663 switch (prog[i])
1664 {
1665 /* component wise */
1666 case 'C':
1667 tpnum *= l_current_poc->compE;
1668 break;
1669 /* resolution wise */
1670 case 'R':
1671 tpnum *= l_current_poc->resE;
1672 break;
1673 /* precinct wise */
1674 case 'P':
1675 tpnum *= l_current_poc->prcE;
1676 break;
1677 /* layer wise */
1678 case 'L':
1679 tpnum *= l_current_poc->layE;
1680 break;
1681 }
1682 /* whould we split here ? */
1683 if ( cp->m_specific_param.m_enc.m_tp_flag == prog[i] ) {
1684 cp->m_specific_param.m_enc.m_tp_pos=i;
1685 break;
1686 }
1687 }
1688 }
1689 else {
1690 tpnum=1;
1691 }
1692
1693 return tpnum;
1694 }
1695
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)1696 static OPJ_BOOL opj_j2k_calculate_tp( opj_j2k_t *p_j2k,
1697 opj_cp_t *cp,
1698 OPJ_UINT32 * p_nb_tiles,
1699 opj_image_t *image,
1700 opj_event_mgr_t * p_manager
1701 )
1702 {
1703 OPJ_UINT32 pino,tileno;
1704 OPJ_UINT32 l_nb_tiles;
1705 opj_tcp_t *tcp;
1706
1707 /* preconditions */
1708 assert(p_nb_tiles != 00);
1709 assert(cp != 00);
1710 assert(image != 00);
1711 assert(p_j2k != 00);
1712 assert(p_manager != 00);
1713
1714 l_nb_tiles = cp->tw * cp->th;
1715 * p_nb_tiles = 0;
1716 tcp = cp->tcps;
1717
1718 /* INDEX >> */
1719 /* TODO mergeV2: check this part which use cstr_info */
1720 /*if (p_j2k->cstr_info) {
1721 opj_tile_info_t * l_info_tile_ptr = p_j2k->cstr_info->tile;
1722
1723 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1724 OPJ_UINT32 cur_totnum_tp = 0;
1725
1726 opj_pi_update_encoding_parameters(image,cp,tileno);
1727
1728 for (pino = 0; pino <= tcp->numpocs; ++pino)
1729 {
1730 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp,pino,tileno);
1731
1732 *p_nb_tiles = *p_nb_tiles + tp_num;
1733
1734 cur_totnum_tp += tp_num;
1735 }
1736
1737 tcp->m_nb_tile_parts = cur_totnum_tp;
1738
1739 l_info_tile_ptr->tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
1740 if (l_info_tile_ptr->tp == 00) {
1741 return OPJ_FALSE;
1742 }
1743
1744 memset(l_info_tile_ptr->tp,0,cur_totnum_tp * sizeof(opj_tp_info_t));
1745
1746 l_info_tile_ptr->num_tps = cur_totnum_tp;
1747
1748 ++l_info_tile_ptr;
1749 ++tcp;
1750 }
1751 }
1752 else */{
1753 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1754 OPJ_UINT32 cur_totnum_tp = 0;
1755
1756 opj_pi_update_encoding_parameters(image,cp,tileno);
1757
1758 for (pino = 0; pino <= tcp->numpocs; ++pino) {
1759 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp,pino,tileno);
1760
1761 *p_nb_tiles = *p_nb_tiles + tp_num;
1762
1763 cur_totnum_tp += tp_num;
1764 }
1765 tcp->m_nb_tile_parts = cur_totnum_tp;
1766
1767 ++tcp;
1768 }
1769 }
1770
1771 return OPJ_TRUE;
1772 }
1773
opj_j2k_write_soc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1774 static OPJ_BOOL opj_j2k_write_soc( opj_j2k_t *p_j2k,
1775 opj_stream_private_t *p_stream,
1776 opj_event_mgr_t * p_manager )
1777 {
1778 /* 2 bytes will be written */
1779 OPJ_BYTE * l_start_stream = 00;
1780
1781 /* preconditions */
1782 assert(p_stream != 00);
1783 assert(p_j2k != 00);
1784 assert(p_manager != 00);
1785
1786 l_start_stream = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
1787
1788 /* write SOC identifier */
1789 opj_write_bytes(l_start_stream,J2K_MS_SOC,2);
1790
1791 if (opj_stream_write_data(p_stream,l_start_stream,2,p_manager) != 2) {
1792 return OPJ_FALSE;
1793 }
1794
1795 /* UniPG>> */
1796 #ifdef USE_JPWL
1797 /* update markers struct */
1798 /*
1799 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOC, p_stream_tell(p_stream) - 2, 2);
1800 */
1801 assert( 0 && "TODO" );
1802 #endif /* USE_JPWL */
1803 /* <<UniPG */
1804
1805 return OPJ_TRUE;
1806 }
1807
1808 /**
1809 * Reads a SOC marker (Start of Codestream)
1810 * @param p_j2k the jpeg2000 file codec.
1811 * @param p_stream FIXME DOC
1812 * @param p_manager the user event manager.
1813 */
opj_j2k_read_soc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1814 static OPJ_BOOL opj_j2k_read_soc( opj_j2k_t *p_j2k,
1815 opj_stream_private_t *p_stream,
1816 opj_event_mgr_t * p_manager
1817 )
1818 {
1819 OPJ_BYTE l_data [2];
1820 OPJ_UINT32 l_marker;
1821
1822 /* preconditions */
1823 assert(p_j2k != 00);
1824 assert(p_manager != 00);
1825 assert(p_stream != 00);
1826
1827 if (opj_stream_read_data(p_stream,l_data,2,p_manager) != 2) {
1828 return OPJ_FALSE;
1829 }
1830
1831 opj_read_bytes(l_data,&l_marker,2);
1832 if (l_marker != J2K_MS_SOC) {
1833 return OPJ_FALSE;
1834 }
1835
1836 /* Next marker should be a SIZ marker in the main header */
1837 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSIZ;
1838
1839 /* FIXME move it in a index structure included in p_j2k*/
1840 p_j2k->cstr_index->main_head_start = opj_stream_tell(p_stream) - 2;
1841
1842 opj_event_msg(p_manager, EVT_INFO, "Start to read j2k main header (%d).\n", p_j2k->cstr_index->main_head_start);
1843
1844 /* Add the marker to the codestream index*/
1845 if (OPJ_FALSE == opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_SOC, p_j2k->cstr_index->main_head_start, 2)) {
1846 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
1847 return OPJ_FALSE;
1848 }
1849 return OPJ_TRUE;
1850 }
1851
opj_j2k_write_siz(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)1852 static OPJ_BOOL opj_j2k_write_siz( opj_j2k_t *p_j2k,
1853 opj_stream_private_t *p_stream,
1854 opj_event_mgr_t * p_manager )
1855 {
1856 OPJ_UINT32 i;
1857 OPJ_UINT32 l_size_len;
1858 OPJ_BYTE * l_current_ptr;
1859 opj_image_t * l_image = 00;
1860 opj_cp_t *cp = 00;
1861 opj_image_comp_t * l_img_comp = 00;
1862
1863 /* preconditions */
1864 assert(p_stream != 00);
1865 assert(p_j2k != 00);
1866 assert(p_manager != 00);
1867
1868 l_image = p_j2k->m_private_image;
1869 cp = &(p_j2k->m_cp);
1870 l_size_len = 40 + 3 * l_image->numcomps;
1871 l_img_comp = l_image->comps;
1872
1873 if (l_size_len > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
1874
1875 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len);
1876 if (! new_header_tile_data) {
1877 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
1878 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
1879 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
1880 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory for the SIZ marker\n");
1881 return OPJ_FALSE;
1882 }
1883 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
1884 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_size_len;
1885 }
1886
1887 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
1888
1889 /* write SOC identifier */
1890 opj_write_bytes(l_current_ptr,J2K_MS_SIZ,2); /* SIZ */
1891 l_current_ptr+=2;
1892
1893 opj_write_bytes(l_current_ptr,l_size_len-2,2); /* L_SIZ */
1894 l_current_ptr+=2;
1895
1896 opj_write_bytes(l_current_ptr, cp->rsiz, 2); /* Rsiz (capabilities) */
1897 l_current_ptr+=2;
1898
1899 opj_write_bytes(l_current_ptr, l_image->x1, 4); /* Xsiz */
1900 l_current_ptr+=4;
1901
1902 opj_write_bytes(l_current_ptr, l_image->y1, 4); /* Ysiz */
1903 l_current_ptr+=4;
1904
1905 opj_write_bytes(l_current_ptr, l_image->x0, 4); /* X0siz */
1906 l_current_ptr+=4;
1907
1908 opj_write_bytes(l_current_ptr, l_image->y0, 4); /* Y0siz */
1909 l_current_ptr+=4;
1910
1911 opj_write_bytes(l_current_ptr, cp->tdx, 4); /* XTsiz */
1912 l_current_ptr+=4;
1913
1914 opj_write_bytes(l_current_ptr, cp->tdy, 4); /* YTsiz */
1915 l_current_ptr+=4;
1916
1917 opj_write_bytes(l_current_ptr, cp->tx0, 4); /* XT0siz */
1918 l_current_ptr+=4;
1919
1920 opj_write_bytes(l_current_ptr, cp->ty0, 4); /* YT0siz */
1921 l_current_ptr+=4;
1922
1923 opj_write_bytes(l_current_ptr, l_image->numcomps, 2); /* Csiz */
1924 l_current_ptr+=2;
1925
1926 for (i = 0; i < l_image->numcomps; ++i) {
1927 /* TODO here with MCT ? */
1928 opj_write_bytes(l_current_ptr, l_img_comp->prec - 1 + (l_img_comp->sgnd << 7), 1); /* Ssiz_i */
1929 ++l_current_ptr;
1930
1931 opj_write_bytes(l_current_ptr, l_img_comp->dx, 1); /* XRsiz_i */
1932 ++l_current_ptr;
1933
1934 opj_write_bytes(l_current_ptr, l_img_comp->dy, 1); /* YRsiz_i */
1935 ++l_current_ptr;
1936
1937 ++l_img_comp;
1938 }
1939
1940 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_size_len,p_manager) != l_size_len) {
1941 return OPJ_FALSE;
1942 }
1943
1944 return OPJ_TRUE;
1945 }
1946
1947 /**
1948 * Reads a SIZ marker (image and tile size)
1949 * @param p_j2k the jpeg2000 file codec.
1950 * @param p_header_data the data contained in the SIZ box.
1951 * @param p_header_size the size of the data contained in the SIZ marker.
1952 * @param p_manager the user event manager.
1953 */
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)1954 static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
1955 OPJ_BYTE * p_header_data,
1956 OPJ_UINT32 p_header_size,
1957 opj_event_mgr_t * p_manager
1958 )
1959 {
1960 OPJ_UINT32 i;
1961 OPJ_UINT32 l_nb_comp;
1962 OPJ_UINT32 l_nb_comp_remain;
1963 OPJ_UINT32 l_remaining_size;
1964 OPJ_UINT32 l_nb_tiles;
1965 OPJ_UINT32 l_tmp, l_tx1, l_ty1;
1966 opj_image_t *l_image = 00;
1967 opj_cp_t *l_cp = 00;
1968 opj_image_comp_t * l_img_comp = 00;
1969 opj_tcp_t * l_current_tile_param = 00;
1970
1971 /* preconditions */
1972 assert(p_j2k != 00);
1973 assert(p_manager != 00);
1974 assert(p_header_data != 00);
1975
1976 l_image = p_j2k->m_private_image;
1977 l_cp = &(p_j2k->m_cp);
1978
1979 /* minimum size == 39 - 3 (= minimum component parameter) */
1980 if (p_header_size < 36) {
1981 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
1982 return OPJ_FALSE;
1983 }
1984
1985 l_remaining_size = p_header_size - 36;
1986 l_nb_comp = l_remaining_size / 3;
1987 l_nb_comp_remain = l_remaining_size % 3;
1988 if (l_nb_comp_remain != 0){
1989 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
1990 return OPJ_FALSE;
1991 }
1992
1993 opj_read_bytes(p_header_data,&l_tmp ,2); /* Rsiz (capabilities) */
1994 p_header_data+=2;
1995 l_cp->rsiz = (OPJ_UINT16) l_tmp;
1996 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x1, 4); /* Xsiz */
1997 p_header_data+=4;
1998 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y1, 4); /* Ysiz */
1999 p_header_data+=4;
2000 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x0, 4); /* X0siz */
2001 p_header_data+=4;
2002 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y0, 4); /* Y0siz */
2003 p_header_data+=4;
2004 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdx, 4); /* XTsiz */
2005 p_header_data+=4;
2006 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdy, 4); /* YTsiz */
2007 p_header_data+=4;
2008 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tx0, 4); /* XT0siz */
2009 p_header_data+=4;
2010 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->ty0, 4); /* YT0siz */
2011 p_header_data+=4;
2012 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_tmp, 2); /* Csiz */
2013 p_header_data+=2;
2014 if (l_tmp < 16385)
2015 l_image->numcomps = (OPJ_UINT16) l_tmp;
2016 else {
2017 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker: number of component is illegal -> %d\n", l_tmp);
2018 return OPJ_FALSE;
2019 }
2020
2021 if (l_image->numcomps != l_nb_comp) {
2022 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker: number of component is not compatible with the remaining number of parameters ( %d vs %d)\n", l_image->numcomps, l_nb_comp);
2023 return OPJ_FALSE;
2024 }
2025
2026 /* testcase 4035.pdf.SIGSEGV.d8b.3375 */
2027 /* testcase issue427-null-image-size.jp2 */
2028 if ((l_image->x0 >= l_image->x1) || (l_image->y0 >= l_image->y1)) {
2029 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker: negative or zero image size (%d x %d)\n", l_image->x1 - l_image->x0, l_image->y1 - l_image->y0);
2030 return OPJ_FALSE;
2031 }
2032 /* testcase 2539.pdf.SIGFPE.706.1712 (also 3622.pdf.SIGFPE.706.2916 and 4008.pdf.SIGFPE.706.3345 and maybe more) */
2033 if (!(l_cp->tdx * l_cp->tdy)) {
2034 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker: invalid tile size (tdx: %d, tdy: %d)\n", l_cp->tdx, l_cp->tdy);
2035 return OPJ_FALSE;
2036 }
2037
2038 /* testcase 1610.pdf.SIGSEGV.59c.681 */
2039 if (((OPJ_UINT64)l_image->x1) * ((OPJ_UINT64)l_image->y1) != (l_image->x1 * l_image->y1)) {
2040 opj_event_msg(p_manager, EVT_ERROR, "Prevent buffer overflow (x1: %d, y1: %d)\n", l_image->x1, l_image->y1);
2041 return OPJ_FALSE;
2042 }
2043
2044 /* testcase issue427-illegal-tile-offset.jp2 */
2045 l_tx1 = opj_uint_adds(l_cp->tx0, l_cp->tdx); /* manage overflow */
2046 l_ty1 = opj_uint_adds(l_cp->ty0, l_cp->tdy); /* manage overflow */
2047 if ((l_cp->tx0 > l_image->x0) || (l_cp->ty0 > l_image->y0) || (l_tx1 <= l_image->x0) || (l_ty1 <= l_image->y0) ) {
2048 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker: illegal tile offset\n");
2049 return OPJ_FALSE;
2050 }
2051
2052 #ifdef USE_JPWL
2053 if (l_cp->correct) {
2054 /* if JPWL is on, we check whether TX errors have damaged
2055 too much the SIZ parameters */
2056 if (!(l_image->x1 * l_image->y1)) {
2057 opj_event_msg(p_manager, EVT_ERROR,
2058 "JPWL: bad image size (%d x %d)\n",
2059 l_image->x1, l_image->y1);
2060 if (!JPWL_ASSUME || JPWL_ASSUME) {
2061 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2062 return OPJ_FALSE;
2063 }
2064 }
2065
2066 /* FIXME check previously in the function so why keep this piece of code ? Need by the norm ?
2067 if (l_image->numcomps != ((len - 38) / 3)) {
2068 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2069 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
2070 l_image->numcomps, ((len - 38) / 3));
2071 if (!JPWL_ASSUME) {
2072 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2073 return OPJ_FALSE;
2074 }
2075 */ /* we try to correct */
2076 /* opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n");
2077 if (l_image->numcomps < ((len - 38) / 3)) {
2078 len = 38 + 3 * l_image->numcomps;
2079 opj_event_msg(p_manager, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
2080 len);
2081 } else {
2082 l_image->numcomps = ((len - 38) / 3);
2083 opj_event_msg(p_manager, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
2084 l_image->numcomps);
2085 }
2086 }
2087 */
2088
2089 /* update components number in the jpwl_exp_comps filed */
2090 l_cp->exp_comps = l_image->numcomps;
2091 }
2092 #endif /* USE_JPWL */
2093
2094 /* Allocate the resulting image components */
2095 l_image->comps = (opj_image_comp_t*) opj_calloc(l_image->numcomps, sizeof(opj_image_comp_t));
2096 if (l_image->comps == 00){
2097 l_image->numcomps = 0;
2098 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
2099 return OPJ_FALSE;
2100 }
2101
2102 l_img_comp = l_image->comps;
2103
2104 /* Read the component information */
2105 for (i = 0; i < l_image->numcomps; ++i){
2106 OPJ_UINT32 tmp;
2107 opj_read_bytes(p_header_data,&tmp,1); /* Ssiz_i */
2108 ++p_header_data;
2109 l_img_comp->prec = (tmp & 0x7f) + 1;
2110 l_img_comp->sgnd = tmp >> 7;
2111 opj_read_bytes(p_header_data,&tmp,1); /* XRsiz_i */
2112 ++p_header_data;
2113 l_img_comp->dx = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2114 opj_read_bytes(p_header_data,&tmp,1); /* YRsiz_i */
2115 ++p_header_data;
2116 l_img_comp->dy = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2117 if( l_img_comp->dx < 1 || l_img_comp->dx > 255 ||
2118 l_img_comp->dy < 1 || l_img_comp->dy > 255 ) {
2119 opj_event_msg(p_manager, EVT_ERROR,
2120 "Invalid values for comp = %d : dx=%u dy=%u\n (should be between 1 and 255 according the JPEG2000 norm)",
2121 i, l_img_comp->dx, l_img_comp->dy);
2122 return OPJ_FALSE;
2123 }
2124
2125 #ifdef USE_JPWL
2126 if (l_cp->correct) {
2127 /* if JPWL is on, we check whether TX errors have damaged
2128 too much the SIZ parameters, again */
2129 if (!(l_image->comps[i].dx * l_image->comps[i].dy)) {
2130 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2131 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
2132 i, i, l_image->comps[i].dx, l_image->comps[i].dy);
2133 if (!JPWL_ASSUME) {
2134 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2135 return OPJ_FALSE;
2136 }
2137 /* we try to correct */
2138 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2139 if (!l_image->comps[i].dx) {
2140 l_image->comps[i].dx = 1;
2141 opj_event_msg(p_manager, EVT_WARNING, "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
2142 i, l_image->comps[i].dx);
2143 }
2144 if (!l_image->comps[i].dy) {
2145 l_image->comps[i].dy = 1;
2146 opj_event_msg(p_manager, EVT_WARNING, "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
2147 i, l_image->comps[i].dy);
2148 }
2149 }
2150 }
2151 #endif /* USE_JPWL */
2152 l_img_comp->resno_decoded = 0; /* number of resolution decoded */
2153 l_img_comp->factor = l_cp->m_specific_param.m_dec.m_reduce; /* reducing factor per component */
2154 ++l_img_comp;
2155 }
2156
2157 /* Compute the number of tiles */
2158 l_cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(l_image->x1 - l_cp->tx0), (OPJ_INT32)l_cp->tdx);
2159 l_cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(l_image->y1 - l_cp->ty0), (OPJ_INT32)l_cp->tdy);
2160
2161 /* Check that the number of tiles is valid */
2162 if (l_cp->tw == 0 || l_cp->th == 0 || l_cp->tw > 65535 / l_cp->th) {
2163 opj_event_msg( p_manager, EVT_ERROR,
2164 "Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
2165 l_cp->tw, l_cp->th);
2166 return OPJ_FALSE;
2167 }
2168 l_nb_tiles = l_cp->tw * l_cp->th;
2169
2170 /* Define the tiles which will be decoded */
2171 if (p_j2k->m_specific_param.m_decoder.m_discard_tiles) {
2172 p_j2k->m_specific_param.m_decoder.m_start_tile_x = (p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
2173 p_j2k->m_specific_param.m_decoder.m_start_tile_y = (p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
2174 p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0), (OPJ_INT32)l_cp->tdx);
2175 p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0), (OPJ_INT32)l_cp->tdy);
2176 }
2177 else {
2178 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
2179 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
2180 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
2181 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
2182 }
2183
2184 #ifdef USE_JPWL
2185 if (l_cp->correct) {
2186 /* if JPWL is on, we check whether TX errors have damaged
2187 too much the SIZ parameters */
2188 if ((l_cp->tw < 1) || (l_cp->th < 1) || (l_cp->tw > l_cp->max_tiles) || (l_cp->th > l_cp->max_tiles)) {
2189 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2190 "JPWL: bad number of tiles (%d x %d)\n",
2191 l_cp->tw, l_cp->th);
2192 if (!JPWL_ASSUME) {
2193 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2194 return OPJ_FALSE;
2195 }
2196 /* we try to correct */
2197 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2198 if (l_cp->tw < 1) {
2199 l_cp->tw= 1;
2200 opj_event_msg(p_manager, EVT_WARNING, "- setting %d tiles in x => HYPOTHESIS!!!\n",
2201 l_cp->tw);
2202 }
2203 if (l_cp->tw > l_cp->max_tiles) {
2204 l_cp->tw= 1;
2205 opj_event_msg(p_manager, EVT_WARNING, "- too large x, increase expectance of %d\n"
2206 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2207 l_cp->max_tiles, l_cp->tw);
2208 }
2209 if (l_cp->th < 1) {
2210 l_cp->th= 1;
2211 opj_event_msg(p_manager, EVT_WARNING, "- setting %d tiles in y => HYPOTHESIS!!!\n",
2212 l_cp->th);
2213 }
2214 if (l_cp->th > l_cp->max_tiles) {
2215 l_cp->th= 1;
2216 opj_event_msg(p_manager, EVT_WARNING, "- too large y, increase expectance of %d to continue\n",
2217 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2218 l_cp->max_tiles, l_cp->th);
2219 }
2220 }
2221 }
2222 #endif /* USE_JPWL */
2223
2224 /* memory allocations */
2225 l_cp->tcps = (opj_tcp_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_t));
2226 if (l_cp->tcps == 00) {
2227 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
2228 return OPJ_FALSE;
2229 }
2230
2231 #ifdef USE_JPWL
2232 if (l_cp->correct) {
2233 if (!l_cp->tcps) {
2234 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2235 "JPWL: could not alloc tcps field of cp\n");
2236 if (!JPWL_ASSUME || JPWL_ASSUME) {
2237 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2238 return OPJ_FALSE;
2239 }
2240 }
2241 }
2242 #endif /* USE_JPWL */
2243
2244 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps =
2245 (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t));
2246 if(p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps == 00) {
2247 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
2248 return OPJ_FALSE;
2249 }
2250
2251 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records =
2252 (opj_mct_data_t*)opj_calloc(OPJ_J2K_MCT_DEFAULT_NB_RECORDS ,sizeof(opj_mct_data_t));
2253
2254 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records) {
2255 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
2256 return OPJ_FALSE;
2257 }
2258 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records = OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
2259
2260 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records =
2261 (opj_simple_mcc_decorrelation_data_t*)
2262 opj_calloc(OPJ_J2K_MCC_DEFAULT_NB_RECORDS, sizeof(opj_simple_mcc_decorrelation_data_t));
2263
2264 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records) {
2265 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
2266 return OPJ_FALSE;
2267 }
2268 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records = OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
2269
2270 /* set up default dc level shift */
2271 for (i=0;i<l_image->numcomps;++i) {
2272 if (! l_image->comps[i].sgnd) {
2273 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1 << (l_image->comps[i].prec - 1);
2274 }
2275 }
2276
2277 l_current_tile_param = l_cp->tcps;
2278 for (i = 0; i < l_nb_tiles; ++i) {
2279 l_current_tile_param->tccps = (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t));
2280 if (l_current_tile_param->tccps == 00) {
2281 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to take in charge SIZ marker\n");
2282 return OPJ_FALSE;
2283 }
2284
2285 ++l_current_tile_param;
2286 }
2287
2288 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MH; /* FIXME J2K_DEC_STATE_MH; */
2289 opj_image_comp_header_update(l_image,l_cp);
2290
2291 return OPJ_TRUE;
2292 }
2293
opj_j2k_write_com(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2294 static OPJ_BOOL opj_j2k_write_com( opj_j2k_t *p_j2k,
2295 opj_stream_private_t *p_stream,
2296 opj_event_mgr_t * p_manager
2297 )
2298 {
2299 OPJ_UINT32 l_comment_size;
2300 OPJ_UINT32 l_total_com_size;
2301 const OPJ_CHAR *l_comment;
2302 OPJ_BYTE * l_current_ptr = 00;
2303
2304 /* preconditions */
2305 assert(p_j2k != 00);
2306 assert(p_stream != 00);
2307 assert(p_manager != 00);
2308
2309 l_comment = p_j2k->m_cp.comment;
2310 l_comment_size = (OPJ_UINT32)strlen(l_comment);
2311 l_total_com_size = l_comment_size + 6;
2312
2313 if (l_total_com_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2314 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size);
2315 if (! new_header_tile_data) {
2316 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2317 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2318 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2319 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write the COM marker\n");
2320 return OPJ_FALSE;
2321 }
2322 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2323 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_total_com_size;
2324 }
2325
2326 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2327
2328 opj_write_bytes(l_current_ptr,J2K_MS_COM , 2); /* COM */
2329 l_current_ptr+=2;
2330
2331 opj_write_bytes(l_current_ptr,l_total_com_size - 2 , 2); /* L_COM */
2332 l_current_ptr+=2;
2333
2334 opj_write_bytes(l_current_ptr,1 , 2); /* General use (IS 8859-15:1999 (Latin) values) */
2335 l_current_ptr+=2;
2336
2337 memcpy( l_current_ptr,l_comment,l_comment_size);
2338
2339 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_total_com_size,p_manager) != l_total_com_size) {
2340 return OPJ_FALSE;
2341 }
2342
2343 return OPJ_TRUE;
2344 }
2345
2346 /**
2347 * Reads a COM marker (comments)
2348 * @param p_j2k the jpeg2000 file codec.
2349 * @param p_header_data the data contained in the COM box.
2350 * @param p_header_size the size of the data contained in the COM marker.
2351 * @param p_manager the user event manager.
2352 */
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)2353 static OPJ_BOOL opj_j2k_read_com ( opj_j2k_t *p_j2k,
2354 OPJ_BYTE * p_header_data,
2355 OPJ_UINT32 p_header_size,
2356 opj_event_mgr_t * p_manager
2357 )
2358 {
2359 /* preconditions */
2360 assert(p_j2k != 00);
2361 assert(p_manager != 00);
2362 assert(p_header_data != 00);
2363 (void)p_header_size;
2364
2365 return OPJ_TRUE;
2366 }
2367
opj_j2k_write_cod(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2368 static OPJ_BOOL opj_j2k_write_cod( opj_j2k_t *p_j2k,
2369 opj_stream_private_t *p_stream,
2370 opj_event_mgr_t * p_manager )
2371 {
2372 opj_cp_t *l_cp = 00;
2373 opj_tcp_t *l_tcp = 00;
2374 OPJ_UINT32 l_code_size,l_remaining_size;
2375 OPJ_BYTE * l_current_data = 00;
2376
2377 /* preconditions */
2378 assert(p_j2k != 00);
2379 assert(p_manager != 00);
2380 assert(p_stream != 00);
2381
2382 l_cp = &(p_j2k->m_cp);
2383 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2384 l_code_size = 9 + opj_j2k_get_SPCod_SPCoc_size(p_j2k,p_j2k->m_current_tile_number,0);
2385 l_remaining_size = l_code_size;
2386
2387 if (l_code_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2388 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size);
2389 if (! new_header_tile_data) {
2390 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2391 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2392 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2393 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COD marker\n");
2394 return OPJ_FALSE;
2395 }
2396 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2397 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_code_size;
2398 }
2399
2400 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2401
2402 opj_write_bytes(l_current_data,J2K_MS_COD,2); /* COD */
2403 l_current_data += 2;
2404
2405 opj_write_bytes(l_current_data,l_code_size-2,2); /* L_COD */
2406 l_current_data += 2;
2407
2408 opj_write_bytes(l_current_data,l_tcp->csty,1); /* Scod */
2409 ++l_current_data;
2410
2411 opj_write_bytes(l_current_data,l_tcp->prg,1); /* SGcod (A) */
2412 ++l_current_data;
2413
2414 opj_write_bytes(l_current_data,l_tcp->numlayers,2); /* SGcod (B) */
2415 l_current_data+=2;
2416
2417 opj_write_bytes(l_current_data,l_tcp->mct,1); /* SGcod (C) */
2418 ++l_current_data;
2419
2420 l_remaining_size -= 9;
2421
2422 if (! opj_j2k_write_SPCod_SPCoc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager)) {
2423 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2424 return OPJ_FALSE;
2425 }
2426
2427 if (l_remaining_size != 0) {
2428 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2429 return OPJ_FALSE;
2430 }
2431
2432 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_code_size,p_manager) != l_code_size) {
2433 return OPJ_FALSE;
2434 }
2435
2436 return OPJ_TRUE;
2437 }
2438
2439 /**
2440 * Reads a COD marker (Coding Styke defaults)
2441 * @param p_header_data the data contained in the COD box.
2442 * @param p_j2k the jpeg2000 codec.
2443 * @param p_header_size the size of the data contained in the COD marker.
2444 * @param p_manager the user event manager.
2445 */
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)2446 static OPJ_BOOL opj_j2k_read_cod ( opj_j2k_t *p_j2k,
2447 OPJ_BYTE * p_header_data,
2448 OPJ_UINT32 p_header_size,
2449 opj_event_mgr_t * p_manager
2450 )
2451 {
2452 /* loop */
2453 OPJ_UINT32 i;
2454 OPJ_UINT32 l_tmp;
2455 opj_cp_t *l_cp = 00;
2456 opj_tcp_t *l_tcp = 00;
2457 opj_image_t *l_image = 00;
2458
2459 /* preconditions */
2460 assert(p_header_data != 00);
2461 assert(p_j2k != 00);
2462 assert(p_manager != 00);
2463
2464 l_image = p_j2k->m_private_image;
2465 l_cp = &(p_j2k->m_cp);
2466
2467 /* If we are in the first tile-part header of the current tile */
2468 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
2469 &l_cp->tcps[p_j2k->m_current_tile_number] :
2470 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2471
2472 /* Only one COD per tile */
2473 if (l_tcp->cod) {
2474 opj_event_msg(p_manager, EVT_ERROR, "COD marker already read. No more than one COD marker per tile.\n");
2475 return OPJ_FALSE;
2476 }
2477 l_tcp->cod = 1;
2478
2479 /* Make sure room is sufficient */
2480 if (p_header_size < 5) {
2481 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2482 return OPJ_FALSE;
2483 }
2484
2485 opj_read_bytes(p_header_data,&l_tcp->csty,1); /* Scod */
2486 ++p_header_data;
2487 /* Make sure we know how to decode this */
2488 if ((l_tcp->csty & ~(OPJ_UINT32)(J2K_CP_CSTY_PRT | J2K_CP_CSTY_SOP | J2K_CP_CSTY_EPH)) != 0U) {
2489 opj_event_msg(p_manager, EVT_ERROR, "Unknown Scod value in COD marker\n");
2490 return OPJ_FALSE;
2491 }
2492 opj_read_bytes(p_header_data,&l_tmp,1); /* SGcod (A) */
2493 ++p_header_data;
2494 l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;
2495 /* Make sure progression order is valid */
2496 if (l_tcp->prg > OPJ_CPRL ) {
2497 opj_event_msg(p_manager, EVT_ERROR, "Unknown progression order in COD marker\n");
2498 l_tcp->prg = OPJ_PROG_UNKNOWN;
2499 }
2500 opj_read_bytes(p_header_data,&l_tcp->numlayers,2); /* SGcod (B) */
2501 p_header_data+=2;
2502
2503 if ((l_tcp->numlayers < 1U) || (l_tcp->numlayers > 65535U)) {
2504 opj_event_msg(p_manager, EVT_ERROR, "Invalid number of layers in COD marker : %d not in range [1-65535]\n", l_tcp->numlayers);
2505 return OPJ_FALSE;
2506 }
2507
2508 /* If user didn't set a number layer to decode take the max specify in the codestream. */
2509 if (l_cp->m_specific_param.m_dec.m_layer) {
2510 l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer;
2511 }
2512 else {
2513 l_tcp->num_layers_to_decode = l_tcp->numlayers;
2514 }
2515
2516 opj_read_bytes(p_header_data,&l_tcp->mct,1); /* SGcod (C) */
2517 ++p_header_data;
2518
2519 p_header_size -= 5;
2520 for (i = 0; i < l_image->numcomps; ++i) {
2521 l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT;
2522 }
2523
2524 if (! opj_j2k_read_SPCod_SPCoc(p_j2k,0,p_header_data,&p_header_size,p_manager)) {
2525 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2526 return OPJ_FALSE;
2527 }
2528
2529 if (p_header_size != 0) {
2530 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2531 return OPJ_FALSE;
2532 }
2533
2534 /* Apply the coding style to other components of the current tile or the m_default_tcp*/
2535 opj_j2k_copy_tile_component_parameters(p_j2k);
2536
2537 /* Index */
2538 #ifdef WIP_REMOVE_MSD
2539 if (p_j2k->cstr_info) {
2540 /*opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info;*/
2541 p_j2k->cstr_info->prog = l_tcp->prg;
2542 p_j2k->cstr_info->numlayers = l_tcp->numlayers;
2543 p_j2k->cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(l_image->numcomps * sizeof(OPJ_UINT32));
2544 for (i = 0; i < l_image->numcomps; ++i) {
2545 p_j2k->cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1;
2546 }
2547 }
2548 #endif
2549
2550 return OPJ_TRUE;
2551 }
2552
2553 #if 0
2554 static OPJ_BOOL opj_j2k_write_coc( opj_j2k_t *p_j2k,
2555 OPJ_UINT32 p_comp_no,
2556 opj_stream_private_t *p_stream,
2557 opj_event_mgr_t * p_manager )
2558 {
2559 OPJ_UINT32 l_coc_size,l_remaining_size;
2560 OPJ_UINT32 l_comp_room;
2561
2562 /* preconditions */
2563 assert(p_j2k != 00);
2564 assert(p_manager != 00);
2565 assert(p_stream != 00);
2566
2567 l_comp_room = (p_j2k->m_private_image->numcomps <= 256) ? 1 : 2;
2568
2569 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
2570
2571 if (l_coc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2572 OPJ_BYTE *new_header_tile_data;
2573 /*p_j2k->m_specific_param.m_encoder.m_header_tile_data
2574 = (OPJ_BYTE*)opj_realloc(
2575 p_j2k->m_specific_param.m_encoder.m_header_tile_data,
2576 l_coc_size);*/
2577
2578 new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size);
2579 if (! new_header_tile_data) {
2580 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2581 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2582 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2583 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COC marker\n");
2584 return OPJ_FALSE;
2585 }
2586 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2587 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size;
2588 }
2589
2590 opj_j2k_write_coc_in_memory(p_j2k,p_comp_no,p_j2k->m_specific_param.m_encoder.m_header_tile_data,&l_remaining_size,p_manager);
2591
2592 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_coc_size,p_manager) != l_coc_size) {
2593 return OPJ_FALSE;
2594 }
2595
2596 return OPJ_TRUE;
2597 }
2598 #endif
2599
2600 #if 0
2601 static void opj_j2k_write_coc_in_memory( opj_j2k_t *p_j2k,
2602 OPJ_UINT32 p_comp_no,
2603 OPJ_BYTE * p_data,
2604 OPJ_UINT32 * p_data_written,
2605 opj_event_mgr_t * p_manager
2606 )
2607 {
2608 opj_cp_t *l_cp = 00;
2609 opj_tcp_t *l_tcp = 00;
2610 OPJ_UINT32 l_coc_size,l_remaining_size;
2611 OPJ_BYTE * l_current_data = 00;
2612 opj_image_t *l_image = 00;
2613 OPJ_UINT32 l_comp_room;
2614
2615 /* preconditions */
2616 assert(p_j2k != 00);
2617 assert(p_manager != 00);
2618
2619 l_cp = &(p_j2k->m_cp);
2620 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2621 l_image = p_j2k->m_private_image;
2622 l_comp_room = (l_image->numcomps <= 256) ? 1 : 2;
2623
2624 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
2625 l_remaining_size = l_coc_size;
2626
2627 l_current_data = p_data;
2628
2629 opj_write_bytes(l_current_data,J2K_MS_COC,2); /* COC */
2630 l_current_data += 2;
2631
2632 opj_write_bytes(l_current_data,l_coc_size-2,2); /* L_COC */
2633 l_current_data += 2;
2634
2635 opj_write_bytes(l_current_data,p_comp_no, l_comp_room); /* Ccoc */
2636 l_current_data+=l_comp_room;
2637
2638 opj_write_bytes(l_current_data, l_tcp->tccps[p_comp_no].csty, 1); /* Scoc */
2639 ++l_current_data;
2640
2641 l_remaining_size -= (5 + l_comp_room);
2642 opj_j2k_write_SPCod_SPCoc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager);
2643 * p_data_written = l_coc_size;
2644 }
2645 #endif
2646
opj_j2k_get_max_coc_size(opj_j2k_t * p_j2k)2647 static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k)
2648 {
2649 OPJ_UINT32 i,j;
2650 OPJ_UINT32 l_nb_comp;
2651 OPJ_UINT32 l_nb_tiles;
2652 OPJ_UINT32 l_max = 0;
2653
2654 /* preconditions */
2655
2656 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
2657 l_nb_comp = p_j2k->m_private_image->numcomps;
2658
2659 for (i=0;i<l_nb_tiles;++i) {
2660 for (j=0;j<l_nb_comp;++j) {
2661 l_max = opj_uint_max(l_max,opj_j2k_get_SPCod_SPCoc_size(p_j2k,i,j));
2662 }
2663 }
2664
2665 return 6 + l_max;
2666 }
2667
2668 /**
2669 * Reads a COC marker (Coding Style Component)
2670 * @param p_header_data the data contained in the COC box.
2671 * @param p_j2k the jpeg2000 codec.
2672 * @param p_header_size the size of the data contained in the COC marker.
2673 * @param p_manager the user event manager.
2674 */
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)2675 static OPJ_BOOL opj_j2k_read_coc ( opj_j2k_t *p_j2k,
2676 OPJ_BYTE * p_header_data,
2677 OPJ_UINT32 p_header_size,
2678 opj_event_mgr_t * p_manager
2679 )
2680 {
2681 opj_cp_t *l_cp = NULL;
2682 opj_tcp_t *l_tcp = NULL;
2683 opj_image_t *l_image = NULL;
2684 OPJ_UINT32 l_comp_room;
2685 OPJ_UINT32 l_comp_no;
2686
2687 /* preconditions */
2688 assert(p_header_data != 00);
2689 assert(p_j2k != 00);
2690 assert(p_manager != 00);
2691
2692 l_cp = &(p_j2k->m_cp);
2693 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ) ? /*FIXME J2K_DEC_STATE_TPH*/
2694 &l_cp->tcps[p_j2k->m_current_tile_number] :
2695 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2696 l_image = p_j2k->m_private_image;
2697
2698 l_comp_room = l_image->numcomps <= 256 ? 1 : 2;
2699
2700 /* make sure room is sufficient*/
2701 if (p_header_size < l_comp_room + 1) {
2702 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2703 return OPJ_FALSE;
2704 }
2705 p_header_size -= l_comp_room + 1;
2706
2707 opj_read_bytes(p_header_data,&l_comp_no,l_comp_room); /* Ccoc */
2708 p_header_data += l_comp_room;
2709 if (l_comp_no >= l_image->numcomps) {
2710 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker (bad number of components)\n");
2711 return OPJ_FALSE;
2712 }
2713
2714 opj_read_bytes(p_header_data,&l_tcp->tccps[l_comp_no].csty,1); /* Scoc */
2715 ++p_header_data ;
2716
2717 if (! opj_j2k_read_SPCod_SPCoc(p_j2k,l_comp_no,p_header_data,&p_header_size,p_manager)) {
2718 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2719 return OPJ_FALSE;
2720 }
2721
2722 if (p_header_size != 0) {
2723 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2724 return OPJ_FALSE;
2725 }
2726 return OPJ_TRUE;
2727 }
2728
opj_j2k_write_qcd(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)2729 static OPJ_BOOL opj_j2k_write_qcd( opj_j2k_t *p_j2k,
2730 opj_stream_private_t *p_stream,
2731 opj_event_mgr_t * p_manager
2732 )
2733 {
2734 OPJ_UINT32 l_qcd_size,l_remaining_size;
2735 OPJ_BYTE * l_current_data = 00;
2736
2737 /* preconditions */
2738 assert(p_j2k != 00);
2739 assert(p_manager != 00);
2740 assert(p_stream != 00);
2741
2742 l_qcd_size = 4 + opj_j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,0);
2743 l_remaining_size = l_qcd_size;
2744
2745 if (l_qcd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2746 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size);
2747 if (! new_header_tile_data) {
2748 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2749 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2750 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2751 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCD marker\n");
2752 return OPJ_FALSE;
2753 }
2754 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2755 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcd_size;
2756 }
2757
2758 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2759
2760 opj_write_bytes(l_current_data,J2K_MS_QCD,2); /* QCD */
2761 l_current_data += 2;
2762
2763 opj_write_bytes(l_current_data,l_qcd_size-2,2); /* L_QCD */
2764 l_current_data += 2;
2765
2766 l_remaining_size -= 4;
2767
2768 if (! opj_j2k_write_SQcd_SQcc(p_j2k,p_j2k->m_current_tile_number,0,l_current_data,&l_remaining_size,p_manager)) {
2769 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
2770 return OPJ_FALSE;
2771 }
2772
2773 if (l_remaining_size != 0) {
2774 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
2775 return OPJ_FALSE;
2776 }
2777
2778 if (opj_stream_write_data(p_stream, p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_qcd_size,p_manager) != l_qcd_size) {
2779 return OPJ_FALSE;
2780 }
2781
2782 return OPJ_TRUE;
2783 }
2784
2785 /**
2786 * Reads a QCD marker (Quantization defaults)
2787 * @param p_header_data the data contained in the QCD box.
2788 * @param p_j2k the jpeg2000 codec.
2789 * @param p_header_size the size of the data contained in the QCD marker.
2790 * @param p_manager the user event manager.
2791 */
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)2792 static OPJ_BOOL opj_j2k_read_qcd ( opj_j2k_t *p_j2k,
2793 OPJ_BYTE * p_header_data,
2794 OPJ_UINT32 p_header_size,
2795 opj_event_mgr_t * p_manager
2796 )
2797 {
2798 /* preconditions */
2799 assert(p_header_data != 00);
2800 assert(p_j2k != 00);
2801 assert(p_manager != 00);
2802
2803 if (! opj_j2k_read_SQcd_SQcc(p_j2k,0,p_header_data,&p_header_size,p_manager)) {
2804 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
2805 return OPJ_FALSE;
2806 }
2807
2808 if (p_header_size != 0) {
2809 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
2810 return OPJ_FALSE;
2811 }
2812
2813 /* Apply the quantization parameters to other components of the current tile or the m_default_tcp */
2814 opj_j2k_copy_tile_quantization_parameters(p_j2k);
2815
2816 return OPJ_TRUE;
2817 }
2818
2819 #if 0
2820 static OPJ_BOOL opj_j2k_write_qcc( opj_j2k_t *p_j2k,
2821 OPJ_UINT32 p_comp_no,
2822 opj_stream_private_t *p_stream,
2823 opj_event_mgr_t * p_manager
2824 )
2825 {
2826 OPJ_UINT32 l_qcc_size,l_remaining_size;
2827
2828 /* preconditions */
2829 assert(p_j2k != 00);
2830 assert(p_manager != 00);
2831 assert(p_stream != 00);
2832
2833 l_qcc_size = 5 + opj_j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
2834 l_qcc_size += p_j2k->m_private_image->numcomps <= 256 ? 0:1;
2835 l_remaining_size = l_qcc_size;
2836
2837 if (l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2838 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size);
2839 if (! new_header_tile_data) {
2840 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2841 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2842 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2843 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCC marker\n");
2844 return OPJ_FALSE;
2845 }
2846 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2847 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size;
2848 }
2849
2850 opj_j2k_write_qcc_in_memory(p_j2k,p_comp_no,p_j2k->m_specific_param.m_encoder.m_header_tile_data,&l_remaining_size,p_manager);
2851
2852 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_qcc_size,p_manager) != l_qcc_size) {
2853 return OPJ_FALSE;
2854 }
2855
2856 return OPJ_TRUE;
2857 }
2858 #endif
2859
2860 #if 0
2861 static void opj_j2k_write_qcc_in_memory( opj_j2k_t *p_j2k,
2862 OPJ_UINT32 p_comp_no,
2863 OPJ_BYTE * p_data,
2864 OPJ_UINT32 * p_data_written,
2865 opj_event_mgr_t * p_manager
2866 )
2867 {
2868 OPJ_UINT32 l_qcc_size,l_remaining_size;
2869 OPJ_BYTE * l_current_data = 00;
2870
2871 /* preconditions */
2872 assert(p_j2k != 00);
2873 assert(p_manager != 00);
2874
2875 l_qcc_size = 6 + opj_j2k_get_SQcd_SQcc_size(p_j2k,p_j2k->m_current_tile_number,p_comp_no);
2876 l_remaining_size = l_qcc_size;
2877
2878 l_current_data = p_data;
2879
2880 opj_write_bytes(l_current_data,J2K_MS_QCC,2); /* QCC */
2881 l_current_data += 2;
2882
2883 if (p_j2k->m_private_image->numcomps <= 256) {
2884 --l_qcc_size;
2885
2886 opj_write_bytes(l_current_data,l_qcc_size-2,2); /* L_QCC */
2887 l_current_data += 2;
2888
2889 opj_write_bytes(l_current_data, p_comp_no, 1); /* Cqcc */
2890 ++l_current_data;
2891
2892 /* in the case only one byte is sufficient the last byte allocated is useless -> still do -6 for available */
2893 l_remaining_size -= 6;
2894 }
2895 else {
2896 opj_write_bytes(l_current_data,l_qcc_size-2,2); /* L_QCC */
2897 l_current_data += 2;
2898
2899 opj_write_bytes(l_current_data, p_comp_no, 2); /* Cqcc */
2900 l_current_data+=2;
2901
2902 l_remaining_size -= 6;
2903 }
2904
2905 opj_j2k_write_SQcd_SQcc(p_j2k,p_j2k->m_current_tile_number,p_comp_no,l_current_data,&l_remaining_size,p_manager);
2906
2907 *p_data_written = l_qcc_size;
2908 }
2909 #endif
2910
opj_j2k_get_max_qcc_size(opj_j2k_t * p_j2k)2911 static OPJ_UINT32 opj_j2k_get_max_qcc_size (opj_j2k_t *p_j2k)
2912 {
2913 return opj_j2k_get_max_coc_size(p_j2k);
2914 }
2915
2916 /**
2917 * Reads a QCC marker (Quantization component)
2918 * @param p_header_data the data contained in the QCC box.
2919 * @param p_j2k the jpeg2000 codec.
2920 * @param p_header_size the size of the data contained in the QCC marker.
2921 * @param p_manager the user event manager.
2922 */
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)2923 static OPJ_BOOL opj_j2k_read_qcc( opj_j2k_t *p_j2k,
2924 OPJ_BYTE * p_header_data,
2925 OPJ_UINT32 p_header_size,
2926 opj_event_mgr_t * p_manager
2927 )
2928 {
2929 OPJ_UINT32 l_num_comp,l_comp_no;
2930
2931 /* preconditions */
2932 assert(p_header_data != 00);
2933 assert(p_j2k != 00);
2934 assert(p_manager != 00);
2935
2936 l_num_comp = p_j2k->m_private_image->numcomps;
2937
2938 if (l_num_comp <= 256) {
2939 if (p_header_size < 1) {
2940 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
2941 return OPJ_FALSE;
2942 }
2943 opj_read_bytes(p_header_data,&l_comp_no,1);
2944 ++p_header_data;
2945 --p_header_size;
2946 }
2947 else {
2948 if (p_header_size < 2) {
2949 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
2950 return OPJ_FALSE;
2951 }
2952 opj_read_bytes(p_header_data,&l_comp_no,2);
2953 p_header_data+=2;
2954 p_header_size-=2;
2955 }
2956
2957 #ifdef USE_JPWL
2958 if (p_j2k->m_cp.correct) {
2959
2960 static OPJ_UINT32 backup_compno = 0;
2961
2962 /* compno is negative or larger than the number of components!!! */
2963 if (/*(l_comp_no < 0) ||*/ (l_comp_no >= l_num_comp)) {
2964 opj_event_msg(p_manager, EVT_ERROR,
2965 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
2966 l_comp_no, l_num_comp);
2967 if (!JPWL_ASSUME) {
2968 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2969 return OPJ_FALSE;
2970 }
2971 /* we try to correct */
2972 l_comp_no = backup_compno % l_num_comp;
2973 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
2974 "- setting component number to %d\n",
2975 l_comp_no);
2976 }
2977
2978 /* keep your private count of tiles */
2979 backup_compno++;
2980 };
2981 #endif /* USE_JPWL */
2982
2983 if (l_comp_no >= p_j2k->m_private_image->numcomps) {
2984 opj_event_msg(p_manager, EVT_ERROR,
2985 "Invalid component number: %d, regarding the number of components %d\n",
2986 l_comp_no, p_j2k->m_private_image->numcomps);
2987 return OPJ_FALSE;
2988 }
2989
2990 if (! opj_j2k_read_SQcd_SQcc(p_j2k,l_comp_no,p_header_data,&p_header_size,p_manager)) {
2991 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
2992 return OPJ_FALSE;
2993 }
2994
2995 if (p_header_size != 0) {
2996 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
2997 return OPJ_FALSE;
2998 }
2999
3000 return OPJ_TRUE;
3001 }
3002
opj_j2k_write_poc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)3003 static OPJ_BOOL opj_j2k_write_poc( opj_j2k_t *p_j2k,
3004 opj_stream_private_t *p_stream,
3005 opj_event_mgr_t * p_manager
3006 )
3007 {
3008 OPJ_UINT32 l_nb_comp;
3009 OPJ_UINT32 l_nb_poc;
3010 OPJ_UINT32 l_poc_size;
3011 OPJ_UINT32 l_written_size = 0;
3012 opj_tcp_t *l_tcp = 00;
3013 OPJ_UINT32 l_poc_room;
3014
3015 /* preconditions */
3016 assert(p_j2k != 00);
3017 assert(p_manager != 00);
3018 assert(p_stream != 00);
3019
3020 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3021 l_nb_comp = p_j2k->m_private_image->numcomps;
3022 l_nb_poc = 1 + l_tcp->numpocs;
3023
3024 if (l_nb_comp <= 256) {
3025 l_poc_room = 1;
3026 }
3027 else {
3028 l_poc_room = 2;
3029 }
3030 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3031
3032 if (l_poc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3033 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size);
3034 if (! new_header_tile_data) {
3035 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3036 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3037 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3038 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write POC marker\n");
3039 return OPJ_FALSE;
3040 }
3041 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3042 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size;
3043 }
3044
3045 opj_j2k_write_poc_in_memory(p_j2k,p_j2k->m_specific_param.m_encoder.m_header_tile_data,&l_written_size,p_manager);
3046
3047 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_poc_size,p_manager) != l_poc_size) {
3048 return OPJ_FALSE;
3049 }
3050
3051 return OPJ_TRUE;
3052 }
3053
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)3054 static void opj_j2k_write_poc_in_memory( opj_j2k_t *p_j2k,
3055 OPJ_BYTE * p_data,
3056 OPJ_UINT32 * p_data_written,
3057 opj_event_mgr_t * p_manager
3058 )
3059 {
3060 OPJ_UINT32 i;
3061 OPJ_BYTE * l_current_data = 00;
3062 OPJ_UINT32 l_nb_comp;
3063 OPJ_UINT32 l_nb_poc;
3064 OPJ_UINT32 l_poc_size;
3065 opj_image_t *l_image = 00;
3066 opj_tcp_t *l_tcp = 00;
3067 opj_tccp_t *l_tccp = 00;
3068 opj_poc_t *l_current_poc = 00;
3069 OPJ_UINT32 l_poc_room;
3070
3071 /* preconditions */
3072 assert(p_j2k != 00);
3073 assert(p_manager != 00);
3074
3075 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3076 l_tccp = &l_tcp->tccps[0];
3077 l_image = p_j2k->m_private_image;
3078 l_nb_comp = l_image->numcomps;
3079 l_nb_poc = 1 + l_tcp->numpocs;
3080
3081 if (l_nb_comp <= 256) {
3082 l_poc_room = 1;
3083 }
3084 else {
3085 l_poc_room = 2;
3086 }
3087
3088 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3089
3090 l_current_data = p_data;
3091
3092 opj_write_bytes(l_current_data,J2K_MS_POC,2); /* POC */
3093 l_current_data += 2;
3094
3095 opj_write_bytes(l_current_data,l_poc_size-2,2); /* Lpoc */
3096 l_current_data += 2;
3097
3098 l_current_poc = l_tcp->pocs;
3099 for (i = 0; i < l_nb_poc; ++i) {
3100 opj_write_bytes(l_current_data,l_current_poc->resno0,1); /* RSpoc_i */
3101 ++l_current_data;
3102
3103 opj_write_bytes(l_current_data,l_current_poc->compno0,l_poc_room); /* CSpoc_i */
3104 l_current_data+=l_poc_room;
3105
3106 opj_write_bytes(l_current_data,l_current_poc->layno1,2); /* LYEpoc_i */
3107 l_current_data+=2;
3108
3109 opj_write_bytes(l_current_data,l_current_poc->resno1,1); /* REpoc_i */
3110 ++l_current_data;
3111
3112 opj_write_bytes(l_current_data,l_current_poc->compno1,l_poc_room); /* CEpoc_i */
3113 l_current_data+=l_poc_room;
3114
3115 opj_write_bytes(l_current_data,l_current_poc->prg,1); /* Ppoc_i */
3116 ++l_current_data;
3117
3118 /* change the value of the max layer according to the actual number of layers in the file, components and resolutions*/
3119 l_current_poc->layno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)l_current_poc->layno1, (OPJ_INT32)l_tcp->numlayers);
3120 l_current_poc->resno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)l_current_poc->resno1, (OPJ_INT32)l_tccp->numresolutions);
3121 l_current_poc->compno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)l_current_poc->compno1, (OPJ_INT32)l_nb_comp);
3122
3123 ++l_current_poc;
3124 }
3125
3126 *p_data_written = l_poc_size;
3127 }
3128
opj_j2k_get_max_poc_size(opj_j2k_t * p_j2k)3129 static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k)
3130 {
3131 opj_tcp_t * l_tcp = 00;
3132 OPJ_UINT32 l_nb_tiles = 0;
3133 OPJ_UINT32 l_max_poc = 0;
3134 OPJ_UINT32 i;
3135
3136 l_tcp = p_j2k->m_cp.tcps;
3137 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
3138
3139 for (i=0;i<l_nb_tiles;++i) {
3140 l_max_poc = opj_uint_max(l_max_poc,l_tcp->numpocs);
3141 ++l_tcp;
3142 }
3143
3144 ++l_max_poc;
3145
3146 return 4 + 9 * l_max_poc;
3147 }
3148
opj_j2k_get_max_toc_size(opj_j2k_t * p_j2k)3149 static OPJ_UINT32 opj_j2k_get_max_toc_size (opj_j2k_t *p_j2k)
3150 {
3151 OPJ_UINT32 i;
3152 OPJ_UINT32 l_nb_tiles;
3153 OPJ_UINT32 l_max = 0;
3154 opj_tcp_t * l_tcp = 00;
3155
3156 l_tcp = p_j2k->m_cp.tcps;
3157 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
3158
3159 for (i=0;i<l_nb_tiles;++i) {
3160 l_max = opj_uint_max(l_max,l_tcp->m_nb_tile_parts);
3161
3162 ++l_tcp;
3163 }
3164
3165 return 12 * l_max;
3166 }
3167
opj_j2k_get_specific_header_sizes(opj_j2k_t * p_j2k)3168 static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k)
3169 {
3170 OPJ_UINT32 l_nb_bytes = 0;
3171 OPJ_UINT32 l_nb_comps;
3172 OPJ_UINT32 l_coc_bytes,l_qcc_bytes;
3173
3174 l_nb_comps = p_j2k->m_private_image->numcomps - 1;
3175 l_nb_bytes += opj_j2k_get_max_toc_size(p_j2k);
3176
3177 if (!(OPJ_IS_CINEMA(p_j2k->m_cp.rsiz))) {
3178 l_coc_bytes = opj_j2k_get_max_coc_size(p_j2k);
3179 l_nb_bytes += l_nb_comps * l_coc_bytes;
3180
3181 l_qcc_bytes = opj_j2k_get_max_qcc_size(p_j2k);
3182 l_nb_bytes += l_nb_comps * l_qcc_bytes;
3183 }
3184
3185 l_nb_bytes += opj_j2k_get_max_poc_size(p_j2k);
3186
3187 /*** DEVELOPER CORNER, Add room for your headers ***/
3188
3189 return l_nb_bytes;
3190 }
3191
3192 /**
3193 * Reads a POC marker (Progression Order Change)
3194 *
3195 * @param p_header_data the data contained in the POC box.
3196 * @param p_j2k the jpeg2000 codec.
3197 * @param p_header_size the size of the data contained in the POC marker.
3198 * @param p_manager the user event manager.
3199 */
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)3200 static OPJ_BOOL opj_j2k_read_poc ( opj_j2k_t *p_j2k,
3201 OPJ_BYTE * p_header_data,
3202 OPJ_UINT32 p_header_size,
3203 opj_event_mgr_t * p_manager
3204 )
3205 {
3206 OPJ_UINT32 i, l_nb_comp, l_tmp;
3207 opj_image_t * l_image = 00;
3208 OPJ_UINT32 l_old_poc_nb, l_current_poc_nb, l_current_poc_remaining;
3209 OPJ_UINT32 l_chunk_size, l_comp_room;
3210
3211 opj_cp_t *l_cp = 00;
3212 opj_tcp_t *l_tcp = 00;
3213 opj_poc_t *l_current_poc = 00;
3214
3215 /* preconditions */
3216 assert(p_header_data != 00);
3217 assert(p_j2k != 00);
3218 assert(p_manager != 00);
3219
3220 l_image = p_j2k->m_private_image;
3221 l_nb_comp = l_image->numcomps;
3222 if (l_nb_comp <= 256) {
3223 l_comp_room = 1;
3224 }
3225 else {
3226 l_comp_room = 2;
3227 }
3228 l_chunk_size = 5 + 2 * l_comp_room;
3229 l_current_poc_nb = p_header_size / l_chunk_size;
3230 l_current_poc_remaining = p_header_size % l_chunk_size;
3231
3232 if ((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0)) {
3233 opj_event_msg(p_manager, EVT_ERROR, "Error reading POC marker\n");
3234 return OPJ_FALSE;
3235 }
3236
3237 l_cp = &(p_j2k->m_cp);
3238 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
3239 &l_cp->tcps[p_j2k->m_current_tile_number] :
3240 p_j2k->m_specific_param.m_decoder.m_default_tcp;
3241 l_old_poc_nb = l_tcp->POC ? l_tcp->numpocs + 1 : 0;
3242 l_current_poc_nb += l_old_poc_nb;
3243
3244 if(l_current_poc_nb >= 32)
3245 {
3246 opj_event_msg(p_manager, EVT_ERROR, "Too many POCs %d\n", l_current_poc_nb);
3247 return OPJ_FALSE;
3248 }
3249 assert(l_current_poc_nb < 32);
3250
3251 /* now poc is in use.*/
3252 l_tcp->POC = 1;
3253
3254 l_current_poc = &l_tcp->pocs[l_old_poc_nb];
3255 for (i = l_old_poc_nb; i < l_current_poc_nb; ++i) {
3256 opj_read_bytes(p_header_data,&(l_current_poc->resno0),1); /* RSpoc_i */
3257 ++p_header_data;
3258 opj_read_bytes(p_header_data,&(l_current_poc->compno0),l_comp_room); /* CSpoc_i */
3259 p_header_data+=l_comp_room;
3260 opj_read_bytes(p_header_data,&(l_current_poc->layno1),2); /* LYEpoc_i */
3261 /* make sure layer end is in acceptable bounds */
3262 l_current_poc->layno1 = opj_uint_min(l_current_poc->layno1, l_tcp->numlayers);
3263 p_header_data+=2;
3264 opj_read_bytes(p_header_data,&(l_current_poc->resno1),1); /* REpoc_i */
3265 ++p_header_data;
3266 opj_read_bytes(p_header_data,&(l_current_poc->compno1),l_comp_room); /* CEpoc_i */
3267 p_header_data+=l_comp_room;
3268 opj_read_bytes(p_header_data,&l_tmp,1); /* Ppoc_i */
3269 ++p_header_data;
3270 l_current_poc->prg = (OPJ_PROG_ORDER) l_tmp;
3271 /* make sure comp is in acceptable bounds */
3272 l_current_poc->compno1 = opj_uint_min(l_current_poc->compno1, l_nb_comp);
3273 ++l_current_poc;
3274 }
3275
3276 l_tcp->numpocs = l_current_poc_nb - 1;
3277 return OPJ_TRUE;
3278 }
3279
3280 /**
3281 * Reads a CRG marker (Component registration)
3282 *
3283 * @param p_header_data the data contained in the TLM box.
3284 * @param p_j2k the jpeg2000 codec.
3285 * @param p_header_size the size of the data contained in the TLM marker.
3286 * @param p_manager the user event manager.
3287 */
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)3288 static OPJ_BOOL opj_j2k_read_crg ( opj_j2k_t *p_j2k,
3289 OPJ_BYTE * p_header_data,
3290 OPJ_UINT32 p_header_size,
3291 opj_event_mgr_t * p_manager
3292 )
3293 {
3294 OPJ_UINT32 l_nb_comp;
3295 /* preconditions */
3296 assert(p_header_data != 00);
3297 assert(p_j2k != 00);
3298 assert(p_manager != 00);
3299
3300 l_nb_comp = p_j2k->m_private_image->numcomps;
3301
3302 if (p_header_size != l_nb_comp *4) {
3303 opj_event_msg(p_manager, EVT_ERROR, "Error reading CRG marker\n");
3304 return OPJ_FALSE;
3305 }
3306 /* Do not care of this at the moment since only local variables are set here */
3307 /*
3308 for
3309 (i = 0; i < l_nb_comp; ++i)
3310 {
3311 opj_read_bytes(p_header_data,&l_Xcrg_i,2); // Xcrg_i
3312 p_header_data+=2;
3313 opj_read_bytes(p_header_data,&l_Ycrg_i,2); // Xcrg_i
3314 p_header_data+=2;
3315 }
3316 */
3317 return OPJ_TRUE;
3318 }
3319
3320 /**
3321 * Reads a TLM marker (Tile Length Marker)
3322 *
3323 * @param p_header_data the data contained in the TLM box.
3324 * @param p_j2k the jpeg2000 codec.
3325 * @param p_header_size the size of the data contained in the TLM marker.
3326 * @param p_manager the user event manager.
3327 */
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)3328 static OPJ_BOOL opj_j2k_read_tlm ( opj_j2k_t *p_j2k,
3329 OPJ_BYTE * p_header_data,
3330 OPJ_UINT32 p_header_size,
3331 opj_event_mgr_t * p_manager
3332 )
3333 {
3334 OPJ_UINT32 l_Ztlm, l_Stlm, l_ST, l_SP, l_tot_num_tp_remaining, l_quotient, l_Ptlm_size;
3335 /* preconditions */
3336 assert(p_header_data != 00);
3337 assert(p_j2k != 00);
3338 assert(p_manager != 00);
3339
3340 if (p_header_size < 2) {
3341 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
3342 return OPJ_FALSE;
3343 }
3344 p_header_size -= 2;
3345
3346 opj_read_bytes(p_header_data,&l_Ztlm,1); /* Ztlm */
3347 ++p_header_data;
3348 opj_read_bytes(p_header_data,&l_Stlm,1); /* Stlm */
3349 ++p_header_data;
3350
3351 l_ST = ((l_Stlm >> 4) & 0x3);
3352 l_SP = (l_Stlm >> 6) & 0x1;
3353
3354 l_Ptlm_size = (l_SP + 1) * 2;
3355 l_quotient = l_Ptlm_size + l_ST;
3356
3357 l_tot_num_tp_remaining = p_header_size % l_quotient;
3358
3359 if (l_tot_num_tp_remaining != 0) {
3360 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
3361 return OPJ_FALSE;
3362 }
3363 /* FIXME Do not care of this at the moment since only local variables are set here */
3364 /*
3365 for
3366 (i = 0; i < l_tot_num_tp; ++i)
3367 {
3368 opj_read_bytes(p_header_data,&l_Ttlm_i,l_ST); // Ttlm_i
3369 p_header_data += l_ST;
3370 opj_read_bytes(p_header_data,&l_Ptlm_i,l_Ptlm_size); // Ptlm_i
3371 p_header_data += l_Ptlm_size;
3372 }*/
3373 return OPJ_TRUE;
3374 }
3375
3376 /**
3377 * Reads a PLM marker (Packet length, main header marker)
3378 *
3379 * @param p_header_data the data contained in the TLM box.
3380 * @param p_j2k the jpeg2000 codec.
3381 * @param p_header_size the size of the data contained in the TLM marker.
3382 * @param p_manager the user event manager.
3383 */
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)3384 static OPJ_BOOL opj_j2k_read_plm ( opj_j2k_t *p_j2k,
3385 OPJ_BYTE * p_header_data,
3386 OPJ_UINT32 p_header_size,
3387 opj_event_mgr_t * p_manager
3388 )
3389 {
3390 /* preconditions */
3391 assert(p_header_data != 00);
3392 assert(p_j2k != 00);
3393 assert(p_manager != 00);
3394
3395 if (p_header_size < 1) {
3396 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3397 return OPJ_FALSE;
3398 }
3399 /* Do not care of this at the moment since only local variables are set here */
3400 /*
3401 opj_read_bytes(p_header_data,&l_Zplm,1); // Zplm
3402 ++p_header_data;
3403 --p_header_size;
3404
3405 while
3406 (p_header_size > 0)
3407 {
3408 opj_read_bytes(p_header_data,&l_Nplm,1); // Nplm
3409 ++p_header_data;
3410 p_header_size -= (1+l_Nplm);
3411 if
3412 (p_header_size < 0)
3413 {
3414 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3415 return false;
3416 }
3417 for
3418 (i = 0; i < l_Nplm; ++i)
3419 {
3420 opj_read_bytes(p_header_data,&l_tmp,1); // Iplm_ij
3421 ++p_header_data;
3422 // take only the last seven bytes
3423 l_packet_len |= (l_tmp & 0x7f);
3424 if
3425 (l_tmp & 0x80)
3426 {
3427 l_packet_len <<= 7;
3428 }
3429 else
3430 {
3431 // store packet length and proceed to next packet
3432 l_packet_len = 0;
3433 }
3434 }
3435 if
3436 (l_packet_len != 0)
3437 {
3438 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3439 return false;
3440 }
3441 }
3442 */
3443 return OPJ_TRUE;
3444 }
3445
3446 /**
3447 * Reads a PLT marker (Packet length, tile-part header)
3448 *
3449 * @param p_header_data the data contained in the PLT box.
3450 * @param p_j2k the jpeg2000 codec.
3451 * @param p_header_size the size of the data contained in the PLT marker.
3452 * @param p_manager the user event manager.
3453 */
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)3454 static OPJ_BOOL opj_j2k_read_plt ( opj_j2k_t *p_j2k,
3455 OPJ_BYTE * p_header_data,
3456 OPJ_UINT32 p_header_size,
3457 opj_event_mgr_t * p_manager
3458 )
3459 {
3460 OPJ_UINT32 l_Zplt, l_tmp, l_packet_len = 0, i;
3461
3462 /* preconditions */
3463 assert(p_header_data != 00);
3464 assert(p_j2k != 00);
3465 assert(p_manager != 00);
3466
3467 if (p_header_size < 1) {
3468 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3469 return OPJ_FALSE;
3470 }
3471
3472 opj_read_bytes(p_header_data,&l_Zplt,1); /* Zplt */
3473 ++p_header_data;
3474 --p_header_size;
3475
3476 for (i = 0; i < p_header_size; ++i) {
3477 opj_read_bytes(p_header_data,&l_tmp,1); /* Iplt_ij */
3478 ++p_header_data;
3479 /* take only the last seven bytes */
3480 l_packet_len |= (l_tmp & 0x7f);
3481 if (l_tmp & 0x80) {
3482 l_packet_len <<= 7;
3483 }
3484 else {
3485 /* store packet length and proceed to next packet */
3486 l_packet_len = 0;
3487 }
3488 }
3489
3490 if (l_packet_len != 0) {
3491 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3492 return OPJ_FALSE;
3493 }
3494
3495 return OPJ_TRUE;
3496 }
3497
3498 /**
3499 * Reads a PPM marker (Packed packet headers, main header)
3500 *
3501 * @param p_header_data the data contained in the POC box.
3502 * @param p_j2k the jpeg2000 codec.
3503 * @param p_header_size the size of the data contained in the POC marker.
3504 * @param p_manager the user event manager.
3505 */
3506
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)3507 static OPJ_BOOL opj_j2k_read_ppm (
3508 opj_j2k_t *p_j2k,
3509 OPJ_BYTE * p_header_data,
3510 OPJ_UINT32 p_header_size,
3511 opj_event_mgr_t * p_manager )
3512 {
3513 opj_cp_t *l_cp = 00;
3514 OPJ_UINT32 l_Z_ppm;
3515
3516 /* preconditions */
3517 assert(p_header_data != 00);
3518 assert(p_j2k != 00);
3519 assert(p_manager != 00);
3520
3521 /* We need to have the Z_ppm element + 1 byte of Nppm/Ippm at minimum */
3522 if (p_header_size < 2) {
3523 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
3524 return OPJ_FALSE;
3525 }
3526
3527 l_cp = &(p_j2k->m_cp);
3528 l_cp->ppm = 1;
3529
3530 opj_read_bytes(p_header_data,&l_Z_ppm,1); /* Z_ppm */
3531 ++p_header_data;
3532 --p_header_size;
3533
3534 /* check allocation needed */
3535 if (l_cp->ppm_markers == NULL) { /* first PPM marker */
3536 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3537 assert(l_cp->ppm_markers_count == 0U);
3538
3539 l_cp->ppm_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
3540 if (l_cp->ppm_markers == NULL) {
3541 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3542 return OPJ_FALSE;
3543 }
3544 l_cp->ppm_markers_count = l_newCount;
3545 } else if (l_cp->ppm_markers_count <= l_Z_ppm) {
3546 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3547 opj_ppx *new_ppm_markers;
3548 new_ppm_markers = (opj_ppx *) opj_realloc(l_cp->ppm_markers, l_newCount * sizeof(opj_ppx));
3549 if (new_ppm_markers == NULL) {
3550 /* clean up to be done on l_cp destruction */
3551 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3552 return OPJ_FALSE;
3553 }
3554 l_cp->ppm_markers = new_ppm_markers;
3555 memset(l_cp->ppm_markers + l_cp->ppm_markers_count, 0, (l_newCount - l_cp->ppm_markers_count) * sizeof(opj_ppx));
3556 l_cp->ppm_markers_count = l_newCount;
3557 }
3558
3559 if (l_cp->ppm_markers[l_Z_ppm].m_data != NULL) {
3560 /* clean up to be done on l_cp destruction */
3561 opj_event_msg(p_manager, EVT_ERROR, "Zppm %u already read\n", l_Z_ppm);
3562 return OPJ_FALSE;
3563 }
3564
3565 l_cp->ppm_markers[l_Z_ppm].m_data = opj_malloc(p_header_size);
3566 if (l_cp->ppm_markers[l_Z_ppm].m_data == NULL) {
3567 /* clean up to be done on l_cp destruction */
3568 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3569 return OPJ_FALSE;
3570 }
3571 l_cp->ppm_markers[l_Z_ppm].m_data_size = p_header_size;
3572 memcpy(l_cp->ppm_markers[l_Z_ppm].m_data, p_header_data, p_header_size);
3573
3574 return OPJ_TRUE;
3575 }
3576
3577 /**
3578 * Merges all PPM markers read (Packed headers, main header)
3579 *
3580 * @param p_cp main coding parameters.
3581 * @param p_manager the user event manager.
3582 */
opj_j2k_merge_ppm(opj_cp_t * p_cp,opj_event_mgr_t * p_manager)3583 static OPJ_BOOL opj_j2k_merge_ppm ( opj_cp_t *p_cp, opj_event_mgr_t * p_manager )
3584 {
3585 OPJ_UINT32 i, l_ppm_data_size, l_N_ppm_remaining;
3586
3587 /* preconditions */
3588 assert(p_cp != 00);
3589 assert(p_manager != 00);
3590 assert(p_cp->ppm_buffer == NULL);
3591
3592 if (p_cp->ppm == 0U) {
3593 return OPJ_TRUE;
3594 }
3595
3596 l_ppm_data_size = 0U;
3597 l_N_ppm_remaining = 0U;
3598 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3599 if (p_cp->ppm_markers[i].m_data != NULL) { /* standard doesn't seem to require contiguous Zppm */
3600 OPJ_UINT32 l_N_ppm;
3601 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3602 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3603
3604 if (l_N_ppm_remaining >= l_data_size) {
3605 l_N_ppm_remaining -= l_data_size;
3606 l_data_size = 0U;
3607 } else {
3608 l_data += l_N_ppm_remaining;
3609 l_data_size -= l_N_ppm_remaining;
3610 l_N_ppm_remaining = 0U;
3611 }
3612
3613 if (l_data_size > 0U) {
3614 do
3615 {
3616 /* read Nppm */
3617 if (l_data_size < 4U) {
3618 /* clean up to be done on l_cp destruction */
3619 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
3620 return OPJ_FALSE;
3621 }
3622 opj_read_bytes(l_data, &l_N_ppm, 4);
3623 l_data+=4;
3624 l_data_size-=4;
3625 l_ppm_data_size += 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 */
3626
3627 if (l_data_size >= l_N_ppm) {
3628 l_data_size -= l_N_ppm;
3629 l_data += l_N_ppm;
3630 } else {
3631 l_N_ppm_remaining = l_N_ppm - l_data_size;
3632 l_data_size = 0U;
3633 }
3634 } while (l_data_size > 0U);
3635 }
3636 }
3637 }
3638
3639 if (l_N_ppm_remaining != 0U) {
3640 /* clean up to be done on l_cp destruction */
3641 opj_event_msg(p_manager, EVT_ERROR, "Corrupted PPM markers\n");
3642 return OPJ_FALSE;
3643 }
3644
3645 p_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_ppm_data_size);
3646 if (p_cp->ppm_buffer == 00) {
3647 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3648 return OPJ_FALSE;
3649 }
3650 p_cp->ppm_len = l_ppm_data_size;
3651 l_ppm_data_size = 0U;
3652 l_N_ppm_remaining = 0U;
3653 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3654 if (p_cp->ppm_markers[i].m_data != NULL) { /* standard doesn't seem to require contiguous Zppm */
3655 OPJ_UINT32 l_N_ppm;
3656 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3657 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3658
3659 if (l_N_ppm_remaining >= l_data_size) {
3660 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
3661 l_ppm_data_size += l_data_size;
3662 l_N_ppm_remaining -= l_data_size;
3663 l_data_size = 0U;
3664 } else {
3665 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm_remaining);
3666 l_ppm_data_size += l_N_ppm_remaining;
3667 l_data += l_N_ppm_remaining;
3668 l_data_size -= l_N_ppm_remaining;
3669 l_N_ppm_remaining = 0U;
3670 }
3671
3672 if (l_data_size > 0U) {
3673 do
3674 {
3675 /* read Nppm */
3676 if (l_data_size < 4U) {
3677 /* clean up to be done on l_cp destruction */
3678 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
3679 return OPJ_FALSE;
3680 }
3681 opj_read_bytes(l_data, &l_N_ppm, 4);
3682 l_data+=4;
3683 l_data_size-=4;
3684
3685 if (l_data_size >= l_N_ppm) {
3686 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm);
3687 l_ppm_data_size += l_N_ppm;
3688 l_data_size -= l_N_ppm;
3689 l_data += l_N_ppm;
3690 } else {
3691 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
3692 l_ppm_data_size += l_data_size;
3693 l_N_ppm_remaining = l_N_ppm - l_data_size;
3694 l_data_size = 0U;
3695 }
3696 } while (l_data_size > 0U);
3697 }
3698 opj_free(p_cp->ppm_markers[i].m_data);
3699 p_cp->ppm_markers[i].m_data = NULL;
3700 p_cp->ppm_markers[i].m_data_size = 0U;
3701 }
3702 }
3703
3704 p_cp->ppm_data = p_cp->ppm_buffer;
3705 p_cp->ppm_data_size = p_cp->ppm_len;
3706
3707 p_cp->ppm_markers_count = 0U;
3708 opj_free(p_cp->ppm_markers);
3709 p_cp->ppm_markers = NULL;
3710
3711 return OPJ_TRUE;
3712 }
3713
3714 /**
3715 * Reads a PPT marker (Packed packet headers, tile-part header)
3716 *
3717 * @param p_header_data the data contained in the PPT box.
3718 * @param p_j2k the jpeg2000 codec.
3719 * @param p_header_size the size of the data contained in the PPT marker.
3720 * @param p_manager the user event manager.
3721 */
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)3722 static OPJ_BOOL opj_j2k_read_ppt ( opj_j2k_t *p_j2k,
3723 OPJ_BYTE * p_header_data,
3724 OPJ_UINT32 p_header_size,
3725 opj_event_mgr_t * p_manager
3726 )
3727 {
3728 opj_cp_t *l_cp = 00;
3729 opj_tcp_t *l_tcp = 00;
3730 OPJ_UINT32 l_Z_ppt;
3731
3732 /* preconditions */
3733 assert(p_header_data != 00);
3734 assert(p_j2k != 00);
3735 assert(p_manager != 00);
3736
3737 /* We need to have the Z_ppt element + 1 byte of Ippt at minimum */
3738 if (p_header_size < 2) {
3739 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker\n");
3740 return OPJ_FALSE;
3741 }
3742
3743 l_cp = &(p_j2k->m_cp);
3744 if (l_cp->ppm){
3745 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker: packet header have been previously found in the main header (PPM marker).\n");
3746 return OPJ_FALSE;
3747 }
3748
3749 l_tcp = &(l_cp->tcps[p_j2k->m_current_tile_number]);
3750 l_tcp->ppt = 1;
3751
3752 opj_read_bytes(p_header_data,&l_Z_ppt,1); /* Z_ppt */
3753 ++p_header_data;
3754 --p_header_size;
3755
3756 /* check allocation needed */
3757 if (l_tcp->ppt_markers == NULL) { /* first PPT marker */
3758 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
3759 assert(l_tcp->ppt_markers_count == 0U);
3760
3761 l_tcp->ppt_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
3762 if (l_tcp->ppt_markers == NULL) {
3763 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
3764 return OPJ_FALSE;
3765 }
3766 l_tcp->ppt_markers_count = l_newCount;
3767 } else if (l_tcp->ppt_markers_count <= l_Z_ppt) {
3768 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
3769 opj_ppx *new_ppt_markers;
3770 new_ppt_markers = (opj_ppx *) opj_realloc(l_tcp->ppt_markers, l_newCount * sizeof(opj_ppx));
3771 if (new_ppt_markers == NULL) {
3772 /* clean up to be done on l_tcp destruction */
3773 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
3774 return OPJ_FALSE;
3775 }
3776 l_tcp->ppt_markers = new_ppt_markers;
3777 memset(l_tcp->ppt_markers + l_tcp->ppt_markers_count, 0, (l_newCount - l_tcp->ppt_markers_count) * sizeof(opj_ppx));
3778 l_tcp->ppt_markers_count = l_newCount;
3779 }
3780
3781 if (l_tcp->ppt_markers[l_Z_ppt].m_data != NULL) {
3782 /* clean up to be done on l_tcp destruction */
3783 opj_event_msg(p_manager, EVT_ERROR, "Zppt %u already read\n", l_Z_ppt);
3784 return OPJ_FALSE;
3785 }
3786
3787 l_tcp->ppt_markers[l_Z_ppt].m_data = opj_malloc(p_header_size);
3788 if (l_tcp->ppt_markers[l_Z_ppt].m_data == NULL) {
3789 /* clean up to be done on l_tcp destruction */
3790 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
3791 return OPJ_FALSE;
3792 }
3793 l_tcp->ppt_markers[l_Z_ppt].m_data_size = p_header_size;
3794 memcpy(l_tcp->ppt_markers[l_Z_ppt].m_data, p_header_data, p_header_size);
3795 return OPJ_TRUE;
3796 }
3797
3798 /**
3799 * Merges all PPT markers read (Packed packet headers, tile-part header)
3800 *
3801 * @param p_tcp the tile.
3802 * @param p_manager the user event manager.
3803 */
opj_j2k_merge_ppt(opj_tcp_t * p_tcp,opj_event_mgr_t * p_manager)3804 static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp, opj_event_mgr_t * p_manager)
3805 {
3806 OPJ_UINT32 i, l_ppt_data_size;
3807 /* preconditions */
3808 assert(p_tcp != 00);
3809 assert(p_manager != 00);
3810 assert(p_tcp->ppt_buffer == NULL);
3811
3812 if (p_tcp->ppt == 0U) {
3813 return OPJ_TRUE;
3814 }
3815
3816 l_ppt_data_size = 0U;
3817 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
3818 l_ppt_data_size += p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
3819 }
3820
3821 p_tcp->ppt_buffer = (OPJ_BYTE *) opj_malloc(l_ppt_data_size);
3822 if (p_tcp->ppt_buffer == 00) {
3823 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
3824 return OPJ_FALSE;
3825 }
3826 p_tcp->ppt_len = l_ppt_data_size;
3827 l_ppt_data_size = 0U;
3828 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
3829 if (p_tcp->ppt_markers[i].m_data != NULL) { /* standard doesn't seem to require contiguous Zppt */
3830 memcpy(p_tcp->ppt_buffer + l_ppt_data_size, p_tcp->ppt_markers[i].m_data, p_tcp->ppt_markers[i].m_data_size);
3831 l_ppt_data_size += p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
3832
3833 opj_free(p_tcp->ppt_markers[i].m_data);
3834 p_tcp->ppt_markers[i].m_data = NULL;
3835 p_tcp->ppt_markers[i].m_data_size = 0U;
3836 }
3837 }
3838
3839 p_tcp->ppt_markers_count = 0U;
3840 opj_free(p_tcp->ppt_markers);
3841 p_tcp->ppt_markers = NULL;
3842
3843 p_tcp->ppt_data = p_tcp->ppt_buffer;
3844 p_tcp->ppt_data_size = p_tcp->ppt_len;
3845 return OPJ_TRUE;
3846 }
3847
opj_j2k_write_tlm(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)3848 static OPJ_BOOL opj_j2k_write_tlm( opj_j2k_t *p_j2k,
3849 opj_stream_private_t *p_stream,
3850 opj_event_mgr_t * p_manager
3851 )
3852 {
3853 OPJ_BYTE * l_current_data = 00;
3854 OPJ_UINT32 l_tlm_size;
3855
3856 /* preconditions */
3857 assert(p_j2k != 00);
3858 assert(p_manager != 00);
3859 assert(p_stream != 00);
3860
3861 l_tlm_size = 6 + (5*p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
3862
3863 if (l_tlm_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3864 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size);
3865 if (! new_header_tile_data) {
3866 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3867 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3868 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3869 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write TLM marker\n");
3870 return OPJ_FALSE;
3871 }
3872 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3873 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_tlm_size;
3874 }
3875
3876 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
3877
3878 /* change the way data is written to avoid seeking if possible */
3879 /* TODO */
3880 p_j2k->m_specific_param.m_encoder.m_tlm_start = opj_stream_tell(p_stream);
3881
3882 opj_write_bytes(l_current_data,J2K_MS_TLM,2); /* TLM */
3883 l_current_data += 2;
3884
3885 opj_write_bytes(l_current_data,l_tlm_size-2,2); /* Lpoc */
3886 l_current_data += 2;
3887
3888 opj_write_bytes(l_current_data,0,1); /* Ztlm=0*/
3889 ++l_current_data;
3890
3891 opj_write_bytes(l_current_data,0x50,1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
3892 ++l_current_data;
3893
3894 /* do nothing on the 5 * l_j2k->m_specific_param.m_encoder.m_total_tile_parts remaining data */
3895 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_tlm_size,p_manager) != l_tlm_size) {
3896 return OPJ_FALSE;
3897 }
3898
3899 return OPJ_TRUE;
3900 }
3901
opj_j2k_write_sot(opj_j2k_t * p_j2k,OPJ_BYTE * p_data,OPJ_UINT32 * p_data_written,const opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)3902 static OPJ_BOOL opj_j2k_write_sot( opj_j2k_t *p_j2k,
3903 OPJ_BYTE * p_data,
3904 OPJ_UINT32 * p_data_written,
3905 const opj_stream_private_t *p_stream,
3906 opj_event_mgr_t * p_manager
3907 )
3908 {
3909 /* preconditions */
3910 assert(p_j2k != 00);
3911 assert(p_manager != 00);
3912 assert(p_stream != 00);
3913
3914 opj_write_bytes(p_data,J2K_MS_SOT,2); /* SOT */
3915 p_data += 2;
3916
3917 opj_write_bytes(p_data,10,2); /* Lsot */
3918 p_data += 2;
3919
3920 opj_write_bytes(p_data, p_j2k->m_current_tile_number,2); /* Isot */
3921 p_data += 2;
3922
3923 /* Psot */
3924 p_data += 4;
3925
3926 opj_write_bytes(p_data, p_j2k->m_specific_param.m_encoder.m_current_tile_part_number,1); /* TPsot */
3927 ++p_data;
3928
3929 opj_write_bytes(p_data, p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts,1); /* TNsot */
3930 ++p_data;
3931
3932 /* UniPG>> */
3933 #ifdef USE_JPWL
3934 /* update markers struct */
3935 /*
3936 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOT, p_j2k->sot_start, len + 2);
3937 */
3938 assert( 0 && "TODO" );
3939 #endif /* USE_JPWL */
3940
3941 * p_data_written = 12;
3942
3943 return OPJ_TRUE;
3944 }
3945
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)3946 static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
3947 OPJ_UINT32 p_header_size,
3948 OPJ_UINT32* p_tile_no,
3949 OPJ_UINT32* p_tot_len,
3950 OPJ_UINT32* p_current_part,
3951 OPJ_UINT32* p_num_parts,
3952 opj_event_mgr_t * p_manager )
3953 {
3954 /* preconditions */
3955 assert(p_header_data != 00);
3956 assert(p_manager != 00);
3957
3958 /* Size of this marker is fixed = 12 (we have already read marker and its size)*/
3959 if (p_header_size != 8) {
3960 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
3961 return OPJ_FALSE;
3962 }
3963
3964 opj_read_bytes(p_header_data,p_tile_no,2); /* Isot */
3965 p_header_data+=2;
3966 opj_read_bytes(p_header_data,p_tot_len,4); /* Psot */
3967 p_header_data+=4;
3968 opj_read_bytes(p_header_data,p_current_part,1); /* TPsot */
3969 ++p_header_data;
3970 opj_read_bytes(p_header_data,p_num_parts ,1); /* TNsot */
3971 ++p_header_data;
3972 return OPJ_TRUE;
3973 }
3974
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)3975 static OPJ_BOOL opj_j2k_read_sot ( opj_j2k_t *p_j2k,
3976 OPJ_BYTE * p_header_data,
3977 OPJ_UINT32 p_header_size,
3978 opj_event_mgr_t * p_manager )
3979 {
3980 opj_cp_t *l_cp = 00;
3981 opj_tcp_t *l_tcp = 00;
3982 OPJ_UINT32 l_tot_len, l_num_parts = 0;
3983 OPJ_UINT32 l_current_part;
3984 OPJ_UINT32 l_tile_x,l_tile_y;
3985
3986 /* preconditions */
3987
3988 assert(p_j2k != 00);
3989 assert(p_manager != 00);
3990
3991 if (! opj_j2k_get_sot_values(p_header_data, p_header_size, &(p_j2k->m_current_tile_number), &l_tot_len, &l_current_part, &l_num_parts, p_manager)) {
3992 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
3993 return OPJ_FALSE;
3994 }
3995
3996 l_cp = &(p_j2k->m_cp);
3997
3998 /* testcase 2.pdf.SIGFPE.706.1112 */
3999 if (p_j2k->m_current_tile_number >= l_cp->tw * l_cp->th) {
4000 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile number %d\n", p_j2k->m_current_tile_number);
4001 return OPJ_FALSE;
4002 }
4003
4004 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
4005 l_tile_x = p_j2k->m_current_tile_number % l_cp->tw;
4006 l_tile_y = p_j2k->m_current_tile_number / l_cp->tw;
4007
4008 #ifdef USE_JPWL
4009 if (l_cp->correct) {
4010
4011 OPJ_UINT32 tileno = p_j2k->m_current_tile_number;
4012 static OPJ_UINT32 backup_tileno = 0;
4013
4014 /* tileno is negative or larger than the number of tiles!!! */
4015 if (tileno > (l_cp->tw * l_cp->th)) {
4016 opj_event_msg(p_manager, EVT_ERROR,
4017 "JPWL: bad tile number (%d out of a maximum of %d)\n",
4018 tileno, (l_cp->tw * l_cp->th));
4019 if (!JPWL_ASSUME) {
4020 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4021 return OPJ_FALSE;
4022 }
4023 /* we try to correct */
4024 tileno = backup_tileno;
4025 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4026 "- setting tile number to %d\n",
4027 tileno);
4028 }
4029
4030 /* keep your private count of tiles */
4031 backup_tileno++;
4032 };
4033 #endif /* USE_JPWL */
4034
4035 /* look for the tile in the list of already processed tile (in parts). */
4036 /* Optimization possible here with a more complex data structure and with the removing of tiles */
4037 /* since the time taken by this function can only grow at the time */
4038
4039 /* PSot should be equal to zero or >=14 or <= 2^32-1 */
4040 if ((l_tot_len !=0 ) && (l_tot_len < 14) )
4041 {
4042 if (l_tot_len == 12 ) /* MSD: Special case for the PHR data which are read by kakadu*/
4043 {
4044 opj_event_msg(p_manager, EVT_WARNING, "Empty SOT marker detected: Psot=%d.\n", l_tot_len);
4045 }
4046 else
4047 {
4048 opj_event_msg(p_manager, EVT_ERROR, "Psot value is not correct regards to the JPEG2000 norm: %d.\n", l_tot_len);
4049 return OPJ_FALSE;
4050 }
4051 }
4052
4053 #ifdef USE_JPWL
4054 if (l_cp->correct) {
4055
4056 /* totlen is negative or larger than the bytes left!!! */
4057 if (/*(l_tot_len < 0) ||*/ (l_tot_len > p_header_size ) ) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */
4058 opj_event_msg(p_manager, EVT_ERROR,
4059 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
4060 l_tot_len, p_header_size ); /* FIXME it seems correct; for info in V1 -> p_stream_numbytesleft(p_stream) + 8); */
4061 if (!JPWL_ASSUME) {
4062 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4063 return OPJ_FALSE;
4064 }
4065 /* we try to correct */
4066 l_tot_len = 0;
4067 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4068 "- setting Psot to %d => assuming it is the last tile\n",
4069 l_tot_len);
4070 }
4071 };
4072 #endif /* USE_JPWL */
4073
4074 /* Ref A.4.2: Psot could be equal zero if it is the last tile-part of the codestream.*/
4075 if (!l_tot_len) {
4076 opj_event_msg(p_manager, EVT_INFO, "Psot value of the current tile-part is equal to zero, "
4077 "we assuming it is the last tile-part of the codestream.\n");
4078 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4079 }
4080
4081 if (l_num_parts != 0) { /* Number of tile-part header is provided by this tile-part header */
4082 l_num_parts += p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction;
4083 /* Useful to manage the case of textGBR.jp2 file because two values of TNSot are allowed: the correct numbers of
4084 * tile-parts for that tile and zero (A.4.2 of 15444-1 : 2002). */
4085 if (l_tcp->m_nb_tile_parts) {
4086 if (l_current_part >= l_tcp->m_nb_tile_parts){
4087 opj_event_msg(p_manager, EVT_ERROR, "In SOT marker, TPSot (%d) is not valid regards to the current "
4088 "number of tile-part (%d), giving up\n", l_current_part, l_tcp->m_nb_tile_parts );
4089 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4090 return OPJ_FALSE;
4091 }
4092 }
4093 if( l_current_part >= l_num_parts ) {
4094 /* testcase 451.pdf.SIGSEGV.ce9.3723 */
4095 opj_event_msg(p_manager, EVT_ERROR, "In SOT marker, TPSot (%d) is not valid regards to the current "
4096 "number of tile-part (header) (%d), giving up\n", l_current_part, l_num_parts );
4097 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4098 return OPJ_FALSE;
4099 }
4100 l_tcp->m_nb_tile_parts = l_num_parts;
4101 }
4102
4103 /* If know the number of tile part header we will check if we didn't read the last*/
4104 if (l_tcp->m_nb_tile_parts) {
4105 if (l_tcp->m_nb_tile_parts == (l_current_part+1)) {
4106 p_j2k->m_specific_param.m_decoder.m_can_decode = 1; /* Process the last tile-part header*/
4107 }
4108 }
4109
4110 if (!p_j2k->m_specific_param.m_decoder.m_last_tile_part){
4111 /* Keep the size of data to skip after this marker */
4112 p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len - 12; /* SOT_marker_size = 12 */
4113 }
4114 else {
4115 /* FIXME: need to be computed from the number of bytes remaining in the codestream */
4116 p_j2k->m_specific_param.m_decoder.m_sot_length = 0;
4117 }
4118
4119 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPH;
4120
4121 /* Check if the current tile is outside the area we want decode or not corresponding to the tile index*/
4122 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec == -1) {
4123 p_j2k->m_specific_param.m_decoder.m_skip_data =
4124 (l_tile_x < p_j2k->m_specific_param.m_decoder.m_start_tile_x)
4125 || (l_tile_x >= p_j2k->m_specific_param.m_decoder.m_end_tile_x)
4126 || (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y)
4127 || (l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y);
4128 }
4129 else {
4130 assert( p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec >= 0 );
4131 p_j2k->m_specific_param.m_decoder.m_skip_data =
4132 (p_j2k->m_current_tile_number != (OPJ_UINT32)p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec);
4133 }
4134
4135 /* Index */
4136 if (p_j2k->cstr_index)
4137 {
4138 assert(p_j2k->cstr_index->tile_index != 00);
4139 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
4140 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno = l_current_part;
4141
4142 if (l_num_parts != 0){
4143 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps = l_num_parts;
4144 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = l_num_parts;
4145
4146 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4147 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4148 (opj_tp_index_t*)opj_calloc(l_num_parts, sizeof(opj_tp_index_t));
4149 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4150 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read SOT marker. Tile index allocation failed\n");
4151 return OPJ_FALSE;
4152 }
4153 }
4154 else {
4155 opj_tp_index_t *new_tp_index = (opj_tp_index_t *) opj_realloc(
4156 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index, l_num_parts* sizeof(opj_tp_index_t));
4157 if (! new_tp_index) {
4158 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4159 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4160 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read SOT marker. Tile index allocation failed\n");
4161 return OPJ_FALSE;
4162 }
4163 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = new_tp_index;
4164 }
4165 }
4166 else{
4167 /*if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index)*/ {
4168
4169 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4170 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 10;
4171 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4172 (opj_tp_index_t*)opj_calloc( p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps,
4173 sizeof(opj_tp_index_t));
4174 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4175 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4176 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read SOT marker. Tile index allocation failed\n");
4177 return OPJ_FALSE;
4178 }
4179 }
4180
4181 if ( l_current_part >= p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps ){
4182 opj_tp_index_t *new_tp_index;
4183 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = l_current_part + 1;
4184 new_tp_index = (opj_tp_index_t *) opj_realloc(
4185 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4186 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps * sizeof(opj_tp_index_t));
4187 if (! new_tp_index) {
4188 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4189 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4190 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4191 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read SOT marker. Tile index allocation failed\n");
4192 return OPJ_FALSE;
4193 }
4194 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = new_tp_index;
4195 }
4196 }
4197
4198 }
4199
4200 }
4201
4202 /* 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 */
4203 /* if (p_j2k->cstr_info) {
4204 if (l_tcp->first) {
4205 if (tileno == 0) {
4206 p_j2k->cstr_info->main_head_end = p_stream_tell(p_stream) - 13;
4207 }
4208
4209 p_j2k->cstr_info->tile[tileno].tileno = tileno;
4210 p_j2k->cstr_info->tile[tileno].start_pos = p_stream_tell(p_stream) - 12;
4211 p_j2k->cstr_info->tile[tileno].end_pos = p_j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
4212 p_j2k->cstr_info->tile[tileno].num_tps = numparts;
4213
4214 if (numparts) {
4215 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
4216 }
4217 else {
4218 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
4219 }
4220 }
4221 else {
4222 p_j2k->cstr_info->tile[tileno].end_pos += totlen;
4223 }
4224
4225 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = p_stream_tell(p_stream) - 12;
4226 p_j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
4227 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
4228 }*/
4229 return OPJ_TRUE;
4230 }
4231
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)4232 static OPJ_BOOL opj_j2k_write_sod( opj_j2k_t *p_j2k,
4233 opj_tcd_t * p_tile_coder,
4234 OPJ_BYTE * p_data,
4235 OPJ_UINT32 * p_data_written,
4236 OPJ_UINT32 p_total_data_size,
4237 const opj_stream_private_t *p_stream,
4238 opj_event_mgr_t * p_manager
4239 )
4240 {
4241 opj_codestream_info_t *l_cstr_info = 00;
4242 OPJ_UINT32 l_remaining_data;
4243
4244 /* preconditions */
4245 assert(p_j2k != 00);
4246 assert(p_manager != 00);
4247 assert(p_stream != 00);
4248
4249 opj_write_bytes(p_data,J2K_MS_SOD,2); /* SOD */
4250 p_data += 2;
4251
4252 /* make room for the EOF marker */
4253 l_remaining_data = p_total_data_size - 4;
4254
4255 /* update tile coder */
4256 p_tile_coder->tp_num = p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number ;
4257 p_tile_coder->cur_tp_num = p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
4258
4259 /* INDEX >> */
4260 /* TODO mergeV2: check this part which use cstr_info */
4261 /*l_cstr_info = p_j2k->cstr_info;
4262 if (l_cstr_info) {
4263 if (!p_j2k->m_specific_param.m_encoder.m_current_tile_part_number ) {
4264 //TODO cstr_info->tile[p_j2k->m_current_tile_number].end_header = p_stream_tell(p_stream) + p_j2k->pos_correction - 1;
4265 l_cstr_info->tile[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
4266 }
4267 else {*/
4268 /*
4269 TODO
4270 if
4271 (cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno - 1].end_pos < p_stream_tell(p_stream))
4272 {
4273 cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno].start_pos = p_stream_tell(p_stream);
4274 }*/
4275 /*}*/
4276 /* UniPG>> */
4277 #ifdef USE_JPWL
4278 /* update markers struct */
4279 /*OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOD, p_j2k->sod_start, 2);
4280 */
4281 assert( 0 && "TODO" );
4282 #endif /* USE_JPWL */
4283 /* <<UniPG */
4284 /*}*/
4285 /* << INDEX */
4286
4287 if (p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0) {
4288 p_tile_coder->tcd_image->tiles->packno = 0;
4289 if (l_cstr_info) {
4290 l_cstr_info->packno = 0;
4291 }
4292 }
4293
4294 *p_data_written = 0;
4295
4296 if (! opj_tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number, p_data, p_data_written, l_remaining_data , l_cstr_info)) {
4297 opj_event_msg(p_manager, EVT_ERROR, "Cannot encode tile\n");
4298 return OPJ_FALSE;
4299 }
4300
4301 *p_data_written += 2;
4302
4303 return OPJ_TRUE;
4304 }
4305
opj_j2k_read_sod(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4306 static OPJ_BOOL opj_j2k_read_sod (opj_j2k_t *p_j2k,
4307 opj_stream_private_t *p_stream,
4308 opj_event_mgr_t * p_manager
4309 )
4310 {
4311 OPJ_SIZE_T l_current_read_size;
4312 opj_codestream_index_t * l_cstr_index = 00;
4313 OPJ_BYTE ** l_current_data = 00;
4314 opj_tcp_t * l_tcp = 00;
4315 OPJ_UINT32 * l_tile_len = 00;
4316 OPJ_BOOL l_sot_length_pb_detected = OPJ_FALSE;
4317
4318 /* preconditions */
4319 assert(p_j2k != 00);
4320 assert(p_manager != 00);
4321 assert(p_stream != 00);
4322
4323 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
4324
4325 if (p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4326 /* opj_stream_get_number_byte_left returns OPJ_OFF_T
4327 // but we are in the last tile part,
4328 // so its result will fit on OPJ_UINT32 unless we find
4329 // a file with a single tile part of more than 4 GB...*/
4330 p_j2k->m_specific_param.m_decoder.m_sot_length = (OPJ_UINT32)(opj_stream_get_number_byte_left(p_stream) - 2);
4331 }
4332 else {
4333 /* Check to avoid pass the limit of OPJ_UINT32 */
4334 if (p_j2k->m_specific_param.m_decoder.m_sot_length >= 2 )
4335 p_j2k->m_specific_param.m_decoder.m_sot_length -= 2;
4336 else {
4337 /* MSD: case commented to support empty SOT marker (PHR data) */
4338 }
4339 }
4340
4341 l_current_data = &(l_tcp->m_data);
4342 l_tile_len = &l_tcp->m_data_size;
4343
4344 /* Patch to support new PHR data */
4345 if (p_j2k->m_specific_param.m_decoder.m_sot_length) {
4346 /* If we are here, we'll try to read the data after allocation */
4347 /* Check enough bytes left in stream before allocation */
4348 if ((OPJ_OFF_T)p_j2k->m_specific_param.m_decoder.m_sot_length > opj_stream_get_number_byte_left(p_stream)) {
4349 opj_event_msg(p_manager, EVT_ERROR, "Tile part length size inconsistent with stream length\n");
4350 return OPJ_FALSE;
4351 }
4352 if (! *l_current_data) {
4353 /* LH: oddly enough, in this path, l_tile_len!=0.
4354 * TODO: If this was consistent, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...).
4355 */
4356 *l_current_data = (OPJ_BYTE*) opj_malloc(p_j2k->m_specific_param.m_decoder.m_sot_length);
4357 }
4358 else {
4359 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(*l_current_data, *l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length);
4360 if (! l_new_current_data) {
4361 opj_free(*l_current_data);
4362 /*nothing more is done as l_current_data will be set to null, and just
4363 afterward we enter in the error path
4364 and the actual tile_len is updated (committed) at the end of the
4365 function. */
4366 }
4367 *l_current_data = l_new_current_data;
4368 }
4369
4370 if (*l_current_data == 00) {
4371 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile\n");
4372 return OPJ_FALSE;
4373 }
4374 }
4375 else {
4376 l_sot_length_pb_detected = OPJ_TRUE;
4377 }
4378
4379 /* Index */
4380 l_cstr_index = p_j2k->cstr_index;
4381 if (l_cstr_index) {
4382 OPJ_OFF_T l_current_pos = opj_stream_tell(p_stream) - 2;
4383
4384 OPJ_UINT32 l_current_tile_part = l_cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno;
4385 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_header =
4386 l_current_pos;
4387 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_pos =
4388 l_current_pos + p_j2k->m_specific_param.m_decoder.m_sot_length + 2;
4389
4390 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
4391 l_cstr_index,
4392 J2K_MS_SOD,
4393 l_current_pos,
4394 p_j2k->m_specific_param.m_decoder.m_sot_length + 2)) {
4395 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
4396 return OPJ_FALSE;
4397 }
4398
4399 /*l_cstr_index->packno = 0;*/
4400 }
4401
4402 /* Patch to support new PHR data */
4403 if (!l_sot_length_pb_detected) {
4404 l_current_read_size = opj_stream_read_data(
4405 p_stream,
4406 *l_current_data + *l_tile_len,
4407 p_j2k->m_specific_param.m_decoder.m_sot_length,
4408 p_manager);
4409 }
4410 else
4411 {
4412 l_current_read_size = 0;
4413 }
4414
4415 if (l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length) {
4416 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
4417 }
4418 else {
4419 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
4420 }
4421
4422 *l_tile_len += (OPJ_UINT32)l_current_read_size;
4423
4424 return OPJ_TRUE;
4425 }
4426
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)4427 static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
4428 OPJ_UINT32 p_tile_no,
4429 OPJ_UINT32 p_comp_no,
4430 OPJ_UINT32 nb_comps,
4431 opj_stream_private_t *p_stream,
4432 opj_event_mgr_t * p_manager
4433 )
4434 {
4435 OPJ_BYTE * l_current_data = 00;
4436 OPJ_UINT32 l_rgn_size;
4437 opj_cp_t *l_cp = 00;
4438 opj_tcp_t *l_tcp = 00;
4439 opj_tccp_t *l_tccp = 00;
4440 OPJ_UINT32 l_comp_room;
4441
4442 /* preconditions */
4443 assert(p_j2k != 00);
4444 assert(p_manager != 00);
4445 assert(p_stream != 00);
4446
4447 l_cp = &(p_j2k->m_cp);
4448 l_tcp = &l_cp->tcps[p_tile_no];
4449 l_tccp = &l_tcp->tccps[p_comp_no];
4450
4451 if (nb_comps <= 256) {
4452 l_comp_room = 1;
4453 }
4454 else {
4455 l_comp_room = 2;
4456 }
4457
4458 l_rgn_size = 6 + l_comp_room;
4459
4460 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
4461
4462 opj_write_bytes(l_current_data,J2K_MS_RGN,2); /* RGN */
4463 l_current_data += 2;
4464
4465 opj_write_bytes(l_current_data,l_rgn_size-2,2); /* Lrgn */
4466 l_current_data += 2;
4467
4468 opj_write_bytes(l_current_data,p_comp_no,l_comp_room); /* Crgn */
4469 l_current_data+=l_comp_room;
4470
4471 opj_write_bytes(l_current_data, 0,1); /* Srgn */
4472 ++l_current_data;
4473
4474 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tccp->roishift,1); /* SPrgn */
4475 ++l_current_data;
4476
4477 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_rgn_size,p_manager) != l_rgn_size) {
4478 return OPJ_FALSE;
4479 }
4480
4481 return OPJ_TRUE;
4482 }
4483
opj_j2k_write_eoc(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4484 static OPJ_BOOL opj_j2k_write_eoc( opj_j2k_t *p_j2k,
4485 opj_stream_private_t *p_stream,
4486 opj_event_mgr_t * p_manager
4487 )
4488 {
4489 /* preconditions */
4490 assert(p_j2k != 00);
4491 assert(p_manager != 00);
4492 assert(p_stream != 00);
4493
4494 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_header_tile_data,J2K_MS_EOC,2); /* EOC */
4495
4496 /* UniPG>> */
4497 #ifdef USE_JPWL
4498 /* update markers struct */
4499 /*
4500 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_EOC, p_stream_tell(p_stream) - 2, 2);
4501 */
4502 #endif /* USE_JPWL */
4503
4504 if ( opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,2,p_manager) != 2) {
4505 return OPJ_FALSE;
4506 }
4507
4508 if ( ! opj_stream_flush(p_stream,p_manager) ) {
4509 return OPJ_FALSE;
4510 }
4511
4512 return OPJ_TRUE;
4513 }
4514
4515 /**
4516 * Reads a RGN marker (Region Of Interest)
4517 *
4518 * @param p_header_data the data contained in the POC box.
4519 * @param p_j2k the jpeg2000 codec.
4520 * @param p_header_size the size of the data contained in the POC marker.
4521 * @param p_manager the user event manager.
4522 */
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)4523 static OPJ_BOOL opj_j2k_read_rgn (opj_j2k_t *p_j2k,
4524 OPJ_BYTE * p_header_data,
4525 OPJ_UINT32 p_header_size,
4526 opj_event_mgr_t * p_manager
4527 )
4528 {
4529 OPJ_UINT32 l_nb_comp;
4530 opj_image_t * l_image = 00;
4531
4532 opj_cp_t *l_cp = 00;
4533 opj_tcp_t *l_tcp = 00;
4534 OPJ_UINT32 l_comp_room, l_comp_no, l_roi_sty;
4535
4536 /* preconditions*/
4537 assert(p_header_data != 00);
4538 assert(p_j2k != 00);
4539 assert(p_manager != 00);
4540
4541 l_image = p_j2k->m_private_image;
4542 l_nb_comp = l_image->numcomps;
4543
4544 if (l_nb_comp <= 256) {
4545 l_comp_room = 1; }
4546 else {
4547 l_comp_room = 2; }
4548
4549 if (p_header_size != 2 + l_comp_room) {
4550 opj_event_msg(p_manager, EVT_ERROR, "Error reading RGN marker\n");
4551 return OPJ_FALSE;
4552 }
4553
4554 l_cp = &(p_j2k->m_cp);
4555 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
4556 &l_cp->tcps[p_j2k->m_current_tile_number] :
4557 p_j2k->m_specific_param.m_decoder.m_default_tcp;
4558
4559 opj_read_bytes(p_header_data,&l_comp_no,l_comp_room); /* Crgn */
4560 p_header_data+=l_comp_room;
4561 opj_read_bytes(p_header_data,&l_roi_sty,1); /* Srgn */
4562 ++p_header_data;
4563
4564 #ifdef USE_JPWL
4565 if (l_cp->correct) {
4566 /* totlen is negative or larger than the bytes left!!! */
4567 if (l_comp_room >= l_nb_comp) {
4568 opj_event_msg(p_manager, EVT_ERROR,
4569 "JPWL: bad component number in RGN (%d when there are only %d)\n",
4570 l_comp_room, l_nb_comp);
4571 if (!JPWL_ASSUME || JPWL_ASSUME) {
4572 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4573 return OPJ_FALSE;
4574 }
4575 }
4576 };
4577 #endif /* USE_JPWL */
4578
4579 /* testcase 3635.pdf.asan.77.2930 */
4580 if (l_comp_no >= l_nb_comp) {
4581 opj_event_msg(p_manager, EVT_ERROR,
4582 "bad component number in RGN (%d when there are only %d)\n",
4583 l_comp_no, l_nb_comp);
4584 return OPJ_FALSE;
4585 }
4586
4587 opj_read_bytes(p_header_data,(OPJ_UINT32 *) (&(l_tcp->tccps[l_comp_no].roishift)),1); /* SPrgn */
4588 ++p_header_data;
4589
4590 return OPJ_TRUE;
4591
4592 }
4593
opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)4594 static OPJ_FLOAT32 opj_j2k_get_tp_stride (opj_tcp_t * p_tcp)
4595 {
4596 return (OPJ_FLOAT32) ((p_tcp->m_nb_tile_parts - 1) * 14);
4597 }
4598
opj_j2k_get_default_stride(opj_tcp_t * p_tcp)4599 static OPJ_FLOAT32 opj_j2k_get_default_stride (opj_tcp_t * p_tcp)
4600 {
4601 (void)p_tcp;
4602 return 0;
4603 }
4604
opj_j2k_update_rates(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)4605 static OPJ_BOOL opj_j2k_update_rates( opj_j2k_t *p_j2k,
4606 opj_stream_private_t *p_stream,
4607 opj_event_mgr_t * p_manager )
4608 {
4609 opj_cp_t * l_cp = 00;
4610 opj_image_t * l_image = 00;
4611 opj_tcp_t * l_tcp = 00;
4612 opj_image_comp_t * l_img_comp = 00;
4613
4614 OPJ_UINT32 i,j,k;
4615 OPJ_INT32 l_x0,l_y0,l_x1,l_y1;
4616 OPJ_FLOAT32 * l_rates = 0;
4617 OPJ_FLOAT32 l_sot_remove;
4618 OPJ_UINT32 l_bits_empty, l_size_pixel;
4619 OPJ_UINT32 l_tile_size = 0;
4620 OPJ_UINT32 l_last_res;
4621 OPJ_FLOAT32 (* l_tp_stride_func)(opj_tcp_t *) = 00;
4622
4623 /* preconditions */
4624 assert(p_j2k != 00);
4625 assert(p_manager != 00);
4626 assert(p_stream != 00);
4627
4628 l_cp = &(p_j2k->m_cp);
4629 l_image = p_j2k->m_private_image;
4630 l_tcp = l_cp->tcps;
4631
4632 l_bits_empty = 8 * l_image->comps->dx * l_image->comps->dy;
4633 l_size_pixel = l_image->numcomps * l_image->comps->prec;
4634 l_sot_remove = (OPJ_FLOAT32) opj_stream_tell(p_stream) / (OPJ_FLOAT32)(l_cp->th * l_cp->tw);
4635
4636 if (l_cp->m_specific_param.m_enc.m_tp_on) {
4637 l_tp_stride_func = opj_j2k_get_tp_stride;
4638 }
4639 else {
4640 l_tp_stride_func = opj_j2k_get_default_stride;
4641 }
4642
4643 for (i=0;i<l_cp->th;++i) {
4644 for (j=0;j<l_cp->tw;++j) {
4645 OPJ_FLOAT32 l_offset = (OPJ_FLOAT32)(*l_tp_stride_func)(l_tcp) / (OPJ_FLOAT32)l_tcp->numlayers;
4646
4647 /* 4 borders of the tile rescale on the image if necessary */
4648 l_x0 = opj_int_max((OPJ_INT32)(l_cp->tx0 + j * l_cp->tdx), (OPJ_INT32)l_image->x0);
4649 l_y0 = opj_int_max((OPJ_INT32)(l_cp->ty0 + i * l_cp->tdy), (OPJ_INT32)l_image->y0);
4650 l_x1 = opj_int_min((OPJ_INT32)(l_cp->tx0 + (j + 1) * l_cp->tdx), (OPJ_INT32)l_image->x1);
4651 l_y1 = opj_int_min((OPJ_INT32)(l_cp->ty0 + (i + 1) * l_cp->tdy), (OPJ_INT32)l_image->y1);
4652
4653 l_rates = l_tcp->rates;
4654
4655 /* Modification of the RATE >> */
4656 if (*l_rates) {
4657 *l_rates = (( (OPJ_FLOAT32) (l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) * (OPJ_UINT32)(l_y1 - l_y0)))
4658 /
4659 ((*l_rates) * (OPJ_FLOAT32)l_bits_empty)
4660 )
4661 -
4662 l_offset;
4663 }
4664
4665 ++l_rates;
4666
4667 for (k = 1; k < l_tcp->numlayers; ++k) {
4668 if (*l_rates) {
4669 *l_rates = (( (OPJ_FLOAT32) (l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) * (OPJ_UINT32)(l_y1 - l_y0)))
4670 /
4671 ((*l_rates) * (OPJ_FLOAT32)l_bits_empty)
4672 )
4673 -
4674 l_offset;
4675 }
4676
4677 ++l_rates;
4678 }
4679
4680 ++l_tcp;
4681
4682 }
4683 }
4684
4685 l_tcp = l_cp->tcps;
4686
4687 for (i=0;i<l_cp->th;++i) {
4688 for (j=0;j<l_cp->tw;++j) {
4689 l_rates = l_tcp->rates;
4690
4691 if (*l_rates) {
4692 *l_rates -= l_sot_remove;
4693
4694 if (*l_rates < 30) {
4695 *l_rates = 30;
4696 }
4697 }
4698
4699 ++l_rates;
4700
4701 l_last_res = l_tcp->numlayers - 1;
4702
4703 for (k = 1; k < l_last_res; ++k) {
4704
4705 if (*l_rates) {
4706 *l_rates -= l_sot_remove;
4707
4708 if (*l_rates < *(l_rates - 1) + 10) {
4709 *l_rates = (*(l_rates - 1)) + 20;
4710 }
4711 }
4712
4713 ++l_rates;
4714 }
4715
4716 if (*l_rates) {
4717 *l_rates -= (l_sot_remove + 2.f);
4718
4719 if (*l_rates < *(l_rates - 1) + 10) {
4720 *l_rates = (*(l_rates - 1)) + 20;
4721 }
4722 }
4723
4724 ++l_tcp;
4725 }
4726 }
4727
4728 l_img_comp = l_image->comps;
4729 l_tile_size = 0;
4730
4731 for (i=0;i<l_image->numcomps;++i) {
4732 l_tile_size += ( opj_uint_ceildiv(l_cp->tdx,l_img_comp->dx)
4733 *
4734 opj_uint_ceildiv(l_cp->tdy,l_img_comp->dy)
4735 *
4736 l_img_comp->prec
4737 );
4738
4739 ++l_img_comp;
4740 }
4741
4742 l_tile_size = (OPJ_UINT32) (l_tile_size * 0.1625); /* 1.3/8 = 0.1625 */
4743
4744 l_tile_size += opj_j2k_get_specific_header_sizes(p_j2k);
4745
4746 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = l_tile_size;
4747 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data =
4748 (OPJ_BYTE *) opj_malloc(p_j2k->m_specific_param.m_encoder.m_encoded_tile_size);
4749 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00) {
4750 return OPJ_FALSE;
4751 }
4752
4753 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
4754 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer =
4755 (OPJ_BYTE *) opj_malloc(5*p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
4756 if (! p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
4757 return OPJ_FALSE;
4758 }
4759
4760 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current =
4761 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer;
4762 }
4763
4764 return OPJ_TRUE;
4765 }
4766
4767 #if 0
4768 static OPJ_BOOL opj_j2k_read_eoc ( opj_j2k_t *p_j2k,
4769 opj_stream_private_t *p_stream,
4770 opj_event_mgr_t * p_manager )
4771 {
4772 OPJ_UINT32 i;
4773 opj_tcd_t * l_tcd = 00;
4774 OPJ_UINT32 l_nb_tiles;
4775 opj_tcp_t * l_tcp = 00;
4776 OPJ_BOOL l_success;
4777
4778 /* preconditions */
4779 assert(p_j2k != 00);
4780 assert(p_manager != 00);
4781 assert(p_stream != 00);
4782
4783 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
4784 l_tcp = p_j2k->m_cp.tcps;
4785
4786 l_tcd = opj_tcd_create(OPJ_TRUE);
4787 if (l_tcd == 00) {
4788 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
4789 return OPJ_FALSE;
4790 }
4791
4792 for (i = 0; i < l_nb_tiles; ++i) {
4793 if (l_tcp->m_data) {
4794 if (! opj_tcd_init_decode_tile(l_tcd, i)) {
4795 opj_tcd_destroy(l_tcd);
4796 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
4797 return OPJ_FALSE;
4798 }
4799
4800 l_success = opj_tcd_decode_tile(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i, p_j2k->cstr_index);
4801 /* cleanup */
4802
4803 if (! l_success) {
4804 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
4805 break;
4806 }
4807 }
4808
4809 opj_j2k_tcp_destroy(l_tcp);
4810 ++l_tcp;
4811 }
4812
4813 opj_tcd_destroy(l_tcd);
4814 return OPJ_TRUE;
4815 }
4816 #endif
4817
opj_j2k_get_end_header(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)4818 static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
4819 struct opj_stream_private *p_stream,
4820 struct opj_event_mgr * p_manager )
4821 {
4822 /* preconditions */
4823 assert(p_j2k != 00);
4824 assert(p_manager != 00);
4825 assert(p_stream != 00);
4826
4827 p_j2k->cstr_index->main_head_end = opj_stream_tell(p_stream);
4828
4829 return OPJ_TRUE;
4830 }
4831
opj_j2k_write_mct_data_group(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)4832 static OPJ_BOOL opj_j2k_write_mct_data_group( opj_j2k_t *p_j2k,
4833 struct opj_stream_private *p_stream,
4834 struct opj_event_mgr * p_manager )
4835 {
4836 OPJ_UINT32 i;
4837 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
4838 opj_mct_data_t * l_mct_record;
4839 opj_tcp_t * l_tcp;
4840
4841 /* preconditions */
4842 assert(p_j2k != 00);
4843 assert(p_stream != 00);
4844 assert(p_manager != 00);
4845
4846 if (! opj_j2k_write_cbd(p_j2k,p_stream,p_manager)) {
4847 return OPJ_FALSE;
4848 }
4849
4850 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
4851 l_mct_record = l_tcp->m_mct_records;
4852
4853 for (i=0;i<l_tcp->m_nb_mct_records;++i) {
4854
4855 if (! opj_j2k_write_mct_record(p_j2k,l_mct_record,p_stream,p_manager)) {
4856 return OPJ_FALSE;
4857 }
4858
4859 ++l_mct_record;
4860 }
4861
4862 l_mcc_record = l_tcp->m_mcc_records;
4863
4864 for (i=0;i<l_tcp->m_nb_mcc_records;++i) {
4865
4866 if (! opj_j2k_write_mcc_record(p_j2k,l_mcc_record,p_stream,p_manager)) {
4867 return OPJ_FALSE;
4868 }
4869
4870 ++l_mcc_record;
4871 }
4872
4873 if (! opj_j2k_write_mco(p_j2k,p_stream,p_manager)) {
4874 return OPJ_FALSE;
4875 }
4876
4877 return OPJ_TRUE;
4878 }
4879
4880 #if 0
4881 static OPJ_BOOL opj_j2k_write_all_coc(opj_j2k_t *p_j2k,
4882 struct opj_stream_private *p_stream,
4883 struct opj_event_mgr * p_manager )
4884 {
4885 OPJ_UINT32 compno;
4886
4887 /* preconditions */
4888 assert(p_j2k != 00);
4889 assert(p_manager != 00);
4890 assert(p_stream != 00);
4891
4892 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno)
4893 {
4894 if (! opj_j2k_write_coc(p_j2k,compno,p_stream, p_manager)) {
4895 return OPJ_FALSE;
4896 }
4897 }
4898
4899 return OPJ_TRUE;
4900 }
4901 #endif
4902
4903 #if 0
4904 static OPJ_BOOL opj_j2k_write_all_qcc(opj_j2k_t *p_j2k,
4905 struct opj_stream_private *p_stream,
4906 struct opj_event_mgr * p_manager )
4907 {
4908 OPJ_UINT32 compno;
4909
4910 /* preconditions */
4911 assert(p_j2k != 00);
4912 assert(p_manager != 00);
4913 assert(p_stream != 00);
4914
4915 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno)
4916 {
4917 if (! opj_j2k_write_qcc(p_j2k,compno,p_stream, p_manager)) {
4918 return OPJ_FALSE;
4919 }
4920 }
4921
4922 return OPJ_TRUE;
4923 }
4924 #endif
4925
4926
opj_j2k_write_regions(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)4927 static OPJ_BOOL opj_j2k_write_regions( opj_j2k_t *p_j2k,
4928 struct opj_stream_private *p_stream,
4929 struct opj_event_mgr * p_manager )
4930 {
4931 OPJ_UINT32 compno;
4932 const opj_tccp_t *l_tccp = 00;
4933
4934 /* preconditions */
4935 assert(p_j2k != 00);
4936 assert(p_manager != 00);
4937 assert(p_stream != 00);
4938
4939 l_tccp = p_j2k->m_cp.tcps->tccps;
4940
4941 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
4942 if (l_tccp->roishift) {
4943
4944 if (! opj_j2k_write_rgn(p_j2k,0,compno,p_j2k->m_private_image->numcomps,p_stream,p_manager)) {
4945 return OPJ_FALSE;
4946 }
4947 }
4948
4949 ++l_tccp;
4950 }
4951
4952 return OPJ_TRUE;
4953 }
4954
opj_j2k_write_epc(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)4955 static OPJ_BOOL opj_j2k_write_epc( opj_j2k_t *p_j2k,
4956 struct opj_stream_private *p_stream,
4957 struct opj_event_mgr * p_manager )
4958 {
4959 opj_codestream_index_t * l_cstr_index = 00;
4960
4961 /* preconditions */
4962 assert(p_j2k != 00);
4963 assert(p_manager != 00);
4964 assert(p_stream != 00);
4965
4966 l_cstr_index = p_j2k->cstr_index;
4967 if (l_cstr_index) {
4968 l_cstr_index->codestream_size = (OPJ_UINT64)opj_stream_tell(p_stream);
4969 /* UniPG>> */
4970 /* The following adjustment is done to adjust the codestream size */
4971 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
4972 /* the first bunch of bytes is not in the codestream */
4973 l_cstr_index->codestream_size -= (OPJ_UINT64)l_cstr_index->main_head_start;
4974 /* <<UniPG */
4975 }
4976
4977 #ifdef USE_JPWL
4978 /* preparation of JPWL marker segments */
4979 #if 0
4980 if(cp->epc_on) {
4981
4982 /* encode according to JPWL */
4983 jpwl_encode(p_j2k, p_stream, image);
4984
4985 }
4986 #endif
4987 assert( 0 && "TODO" );
4988 #endif /* USE_JPWL */
4989
4990 return OPJ_TRUE;
4991 }
4992
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)4993 static OPJ_BOOL opj_j2k_read_unk ( opj_j2k_t *p_j2k,
4994 opj_stream_private_t *p_stream,
4995 OPJ_UINT32 *output_marker,
4996 opj_event_mgr_t * p_manager
4997 )
4998 {
4999 OPJ_UINT32 l_unknown_marker;
5000 const opj_dec_memory_marker_handler_t * l_marker_handler;
5001 OPJ_UINT32 l_size_unk = 2;
5002
5003 /* preconditions*/
5004 assert(p_j2k != 00);
5005 assert(p_manager != 00);
5006 assert(p_stream != 00);
5007
5008 opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n");
5009
5010 for (;;) {
5011 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
5012 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
5013 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
5014 return OPJ_FALSE;
5015 }
5016
5017 /* read 2 bytes as the new marker ID*/
5018 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_unknown_marker,2);
5019
5020 if (!(l_unknown_marker < 0xff00)) {
5021
5022 /* Get the marker handler from the marker ID*/
5023 l_marker_handler = opj_j2k_get_marker_handler(l_unknown_marker);
5024
5025 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
5026 opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
5027 return OPJ_FALSE;
5028 }
5029 else {
5030 if (l_marker_handler->id != J2K_MS_UNK) {
5031 /* Add the marker to the codestream index*/
5032 if (l_marker_handler->id != J2K_MS_SOT)
5033 {
5034 OPJ_BOOL res = opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_UNK,
5035 (OPJ_UINT32) opj_stream_tell(p_stream) - l_size_unk,
5036 l_size_unk);
5037 if (res == OPJ_FALSE) {
5038 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
5039 return OPJ_FALSE;
5040 }
5041 }
5042 break; /* next marker is known and well located */
5043 }
5044 else
5045 l_size_unk += 2;
5046 }
5047 }
5048 }
5049
5050 *output_marker = l_marker_handler->id ;
5051
5052 return OPJ_TRUE;
5053 }
5054
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)5055 static OPJ_BOOL opj_j2k_write_mct_record( opj_j2k_t *p_j2k,
5056 opj_mct_data_t * p_mct_record,
5057 struct opj_stream_private *p_stream,
5058 struct opj_event_mgr * p_manager )
5059 {
5060 OPJ_UINT32 l_mct_size;
5061 OPJ_BYTE * l_current_data = 00;
5062 OPJ_UINT32 l_tmp;
5063
5064 /* preconditions */
5065 assert(p_j2k != 00);
5066 assert(p_manager != 00);
5067 assert(p_stream != 00);
5068
5069 l_mct_size = 10 + p_mct_record->m_data_size;
5070
5071 if (l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5072 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size);
5073 if (! new_header_tile_data) {
5074 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5075 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5076 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5077 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCT marker\n");
5078 return OPJ_FALSE;
5079 }
5080 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5081 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mct_size;
5082 }
5083
5084 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5085
5086 opj_write_bytes(l_current_data,J2K_MS_MCT,2); /* MCT */
5087 l_current_data += 2;
5088
5089 opj_write_bytes(l_current_data,l_mct_size-2,2); /* Lmct */
5090 l_current_data += 2;
5091
5092 opj_write_bytes(l_current_data,0,2); /* Zmct */
5093 l_current_data += 2;
5094
5095 /* only one marker atm */
5096 l_tmp = (p_mct_record->m_index & 0xff) | (p_mct_record->m_array_type << 8) | (p_mct_record->m_element_type << 10);
5097
5098 opj_write_bytes(l_current_data,l_tmp,2);
5099 l_current_data += 2;
5100
5101 opj_write_bytes(l_current_data,0,2); /* Ymct */
5102 l_current_data+=2;
5103
5104 memcpy(l_current_data,p_mct_record->m_data,p_mct_record->m_data_size);
5105
5106 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_mct_size,p_manager) != l_mct_size) {
5107 return OPJ_FALSE;
5108 }
5109
5110 return OPJ_TRUE;
5111 }
5112
5113 /**
5114 * Reads a MCT marker (Multiple Component Transform)
5115 *
5116 * @param p_header_data the data contained in the MCT box.
5117 * @param p_j2k the jpeg2000 codec.
5118 * @param p_header_size the size of the data contained in the MCT marker.
5119 * @param p_manager the user event manager.
5120 */
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)5121 static OPJ_BOOL opj_j2k_read_mct ( opj_j2k_t *p_j2k,
5122 OPJ_BYTE * p_header_data,
5123 OPJ_UINT32 p_header_size,
5124 opj_event_mgr_t * p_manager
5125 )
5126 {
5127 OPJ_UINT32 i;
5128 opj_tcp_t *l_tcp = 00;
5129 OPJ_UINT32 l_tmp;
5130 OPJ_UINT32 l_indix;
5131 opj_mct_data_t * l_mct_data;
5132
5133 /* preconditions */
5134 assert(p_header_data != 00);
5135 assert(p_j2k != 00);
5136
5137 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5138 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5139 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5140
5141 if (p_header_size < 2) {
5142 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5143 return OPJ_FALSE;
5144 }
5145
5146 /* first marker */
5147 opj_read_bytes(p_header_data,&l_tmp,2); /* Zmct */
5148 p_header_data += 2;
5149 if (l_tmp != 0) {
5150 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge mct data within multiple MCT records\n");
5151 return OPJ_TRUE;
5152 }
5153
5154 if(p_header_size <= 6) {
5155 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5156 return OPJ_FALSE;
5157 }
5158
5159 /* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/
5160 opj_read_bytes(p_header_data,&l_tmp,2); /* Imct */
5161 p_header_data += 2;
5162
5163 l_indix = l_tmp & 0xff;
5164 l_mct_data = l_tcp->m_mct_records;
5165
5166 for (i=0;i<l_tcp->m_nb_mct_records;++i) {
5167 if (l_mct_data->m_index == l_indix) {
5168 break;
5169 }
5170 ++l_mct_data;
5171 }
5172
5173 /* NOT FOUND */
5174 if (i == l_tcp->m_nb_mct_records) {
5175 if (l_tcp->m_nb_mct_records == l_tcp->m_nb_max_mct_records) {
5176 opj_mct_data_t *new_mct_records;
5177 l_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
5178
5179 new_mct_records = (opj_mct_data_t *) opj_realloc(l_tcp->m_mct_records, l_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
5180 if (! new_mct_records) {
5181 opj_free(l_tcp->m_mct_records);
5182 l_tcp->m_mct_records = NULL;
5183 l_tcp->m_nb_max_mct_records = 0;
5184 l_tcp->m_nb_mct_records = 0;
5185 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCT marker\n");
5186 return OPJ_FALSE;
5187 }
5188 l_tcp->m_mct_records = new_mct_records;
5189 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5190 memset(l_mct_data ,0,(l_tcp->m_nb_max_mct_records - l_tcp->m_nb_mct_records) * sizeof(opj_mct_data_t));
5191 }
5192
5193 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5194 ++l_tcp->m_nb_mct_records;
5195 }
5196
5197 if (l_mct_data->m_data) {
5198 opj_free(l_mct_data->m_data);
5199 l_mct_data->m_data = 00;
5200 }
5201
5202 l_mct_data->m_index = l_indix;
5203 l_mct_data->m_array_type = (J2K_MCT_ARRAY_TYPE)((l_tmp >> 8) & 3);
5204 l_mct_data->m_element_type = (J2K_MCT_ELEMENT_TYPE)((l_tmp >> 10) & 3);
5205
5206 opj_read_bytes(p_header_data,&l_tmp,2); /* Ymct */
5207 p_header_data+=2;
5208 if (l_tmp != 0) {
5209 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple MCT markers\n");
5210 return OPJ_TRUE;
5211 }
5212
5213 p_header_size -= 6;
5214
5215 l_mct_data->m_data = (OPJ_BYTE*)opj_malloc(p_header_size);
5216 if (! l_mct_data->m_data) {
5217 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5218 return OPJ_FALSE;
5219 }
5220 memcpy(l_mct_data->m_data,p_header_data,p_header_size);
5221
5222 l_mct_data->m_data_size = p_header_size;
5223
5224 return OPJ_TRUE;
5225 }
5226
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)5227 static OPJ_BOOL opj_j2k_write_mcc_record( opj_j2k_t *p_j2k,
5228 struct opj_simple_mcc_decorrelation_data * p_mcc_record,
5229 struct opj_stream_private *p_stream,
5230 struct opj_event_mgr * p_manager )
5231 {
5232 OPJ_UINT32 i;
5233 OPJ_UINT32 l_mcc_size;
5234 OPJ_BYTE * l_current_data = 00;
5235 OPJ_UINT32 l_nb_bytes_for_comp;
5236 OPJ_UINT32 l_mask;
5237 OPJ_UINT32 l_tmcc;
5238
5239 /* preconditions */
5240 assert(p_j2k != 00);
5241 assert(p_manager != 00);
5242 assert(p_stream != 00);
5243
5244 if (p_mcc_record->m_nb_comps > 255 ) {
5245 l_nb_bytes_for_comp = 2;
5246 l_mask = 0x8000;
5247 }
5248 else {
5249 l_nb_bytes_for_comp = 1;
5250 l_mask = 0;
5251 }
5252
5253 l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19;
5254 if (l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size)
5255 {
5256 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size);
5257 if (! new_header_tile_data) {
5258 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5259 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5260 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5261 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCC marker\n");
5262 return OPJ_FALSE;
5263 }
5264 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5265 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mcc_size;
5266 }
5267
5268 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5269
5270 opj_write_bytes(l_current_data,J2K_MS_MCC,2); /* MCC */
5271 l_current_data += 2;
5272
5273 opj_write_bytes(l_current_data,l_mcc_size-2,2); /* Lmcc */
5274 l_current_data += 2;
5275
5276 /* first marker */
5277 opj_write_bytes(l_current_data,0,2); /* Zmcc */
5278 l_current_data += 2;
5279
5280 opj_write_bytes(l_current_data,p_mcc_record->m_index,1); /* Imcc -> no need for other values, take the first */
5281 ++l_current_data;
5282
5283 /* only one marker atm */
5284 opj_write_bytes(l_current_data,0,2); /* Ymcc */
5285 l_current_data+=2;
5286
5287 opj_write_bytes(l_current_data,1,2); /* Qmcc -> number of collections -> 1 */
5288 l_current_data+=2;
5289
5290 opj_write_bytes(l_current_data,0x1,1); /* Xmcci type of component transformation -> array based decorrelation */
5291 ++l_current_data;
5292
5293 opj_write_bytes(l_current_data,p_mcc_record->m_nb_comps | l_mask,2); /* Nmcci number of input components involved and size for each component offset = 8 bits */
5294 l_current_data+=2;
5295
5296 for (i=0;i<p_mcc_record->m_nb_comps;++i) {
5297 opj_write_bytes(l_current_data,i,l_nb_bytes_for_comp); /* Cmccij Component offset*/
5298 l_current_data+=l_nb_bytes_for_comp;
5299 }
5300
5301 opj_write_bytes(l_current_data,p_mcc_record->m_nb_comps|l_mask,2); /* Mmcci number of output components involved and size for each component offset = 8 bits */
5302 l_current_data+=2;
5303
5304 for (i=0;i<p_mcc_record->m_nb_comps;++i)
5305 {
5306 opj_write_bytes(l_current_data,i,l_nb_bytes_for_comp); /* Wmccij Component offset*/
5307 l_current_data+=l_nb_bytes_for_comp;
5308 }
5309
5310 l_tmcc = ((!p_mcc_record->m_is_irreversible)&1)<<16;
5311
5312 if (p_mcc_record->m_decorrelation_array) {
5313 l_tmcc |= p_mcc_record->m_decorrelation_array->m_index;
5314 }
5315
5316 if (p_mcc_record->m_offset_array) {
5317 l_tmcc |= ((p_mcc_record->m_offset_array->m_index)<<8);
5318 }
5319
5320 opj_write_bytes(l_current_data,l_tmcc,3); /* Tmcci : use MCT defined as number 1 and irreversible array based. */
5321 l_current_data+=3;
5322
5323 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_mcc_size,p_manager) != l_mcc_size) {
5324 return OPJ_FALSE;
5325 }
5326
5327 return OPJ_TRUE;
5328 }
5329
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)5330 static OPJ_BOOL opj_j2k_read_mcc ( opj_j2k_t *p_j2k,
5331 OPJ_BYTE * p_header_data,
5332 OPJ_UINT32 p_header_size,
5333 opj_event_mgr_t * p_manager )
5334 {
5335 OPJ_UINT32 i,j;
5336 OPJ_UINT32 l_tmp;
5337 OPJ_UINT32 l_indix;
5338 opj_tcp_t * l_tcp;
5339 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5340 opj_mct_data_t * l_mct_data;
5341 OPJ_UINT32 l_nb_collections;
5342 OPJ_UINT32 l_nb_comps;
5343 OPJ_UINT32 l_nb_bytes_by_comp;
5344 OPJ_BOOL new_mcc = OPJ_FALSE;
5345
5346 /* preconditions */
5347 assert(p_header_data != 00);
5348 assert(p_j2k != 00);
5349 assert(p_manager != 00);
5350
5351 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5352 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5353 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5354
5355 if (p_header_size < 2) {
5356 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5357 return OPJ_FALSE;
5358 }
5359
5360 /* first marker */
5361 opj_read_bytes(p_header_data,&l_tmp,2); /* Zmcc */
5362 p_header_data += 2;
5363 if (l_tmp != 0) {
5364 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple data spanning\n");
5365 return OPJ_TRUE;
5366 }
5367
5368 if (p_header_size < 7) {
5369 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5370 return OPJ_FALSE;
5371 }
5372
5373 opj_read_bytes(p_header_data,&l_indix,1); /* Imcc -> no need for other values, take the first */
5374 ++p_header_data;
5375
5376 l_mcc_record = l_tcp->m_mcc_records;
5377
5378 for(i=0;i<l_tcp->m_nb_mcc_records;++i) {
5379 if (l_mcc_record->m_index == l_indix) {
5380 break;
5381 }
5382 ++l_mcc_record;
5383 }
5384
5385 /** NOT FOUND */
5386 if (i == l_tcp->m_nb_mcc_records) {
5387 if (l_tcp->m_nb_mcc_records == l_tcp->m_nb_max_mcc_records) {
5388 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
5389 l_tcp->m_nb_max_mcc_records += OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
5390
5391 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
5392 l_tcp->m_mcc_records, l_tcp->m_nb_max_mcc_records * sizeof(opj_simple_mcc_decorrelation_data_t));
5393 if (! new_mcc_records) {
5394 opj_free(l_tcp->m_mcc_records);
5395 l_tcp->m_mcc_records = NULL;
5396 l_tcp->m_nb_max_mcc_records = 0;
5397 l_tcp->m_nb_mcc_records = 0;
5398 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCC marker\n");
5399 return OPJ_FALSE;
5400 }
5401 l_tcp->m_mcc_records = new_mcc_records;
5402 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
5403 memset(l_mcc_record,0,(l_tcp->m_nb_max_mcc_records-l_tcp->m_nb_mcc_records) * sizeof(opj_simple_mcc_decorrelation_data_t));
5404 }
5405 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
5406 new_mcc = OPJ_TRUE;
5407 }
5408 l_mcc_record->m_index = l_indix;
5409
5410 /* only one marker atm */
5411 opj_read_bytes(p_header_data,&l_tmp,2); /* Ymcc */
5412 p_header_data+=2;
5413 if (l_tmp != 0) {
5414 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple data spanning\n");
5415 return OPJ_TRUE;
5416 }
5417
5418 opj_read_bytes(p_header_data,&l_nb_collections,2); /* Qmcc -> number of collections -> 1 */
5419 p_header_data+=2;
5420
5421 if (l_nb_collections > 1) {
5422 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple collections\n");
5423 return OPJ_TRUE;
5424 }
5425
5426 p_header_size -= 7;
5427
5428 for (i=0;i<l_nb_collections;++i) {
5429 if (p_header_size < 3) {
5430 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5431 return OPJ_FALSE;
5432 }
5433
5434 opj_read_bytes(p_header_data,&l_tmp,1); /* Xmcci type of component transformation -> array based decorrelation */
5435 ++p_header_data;
5436
5437 if (l_tmp != 1) {
5438 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections other than array decorrelation\n");
5439 return OPJ_TRUE;
5440 }
5441
5442 opj_read_bytes(p_header_data,&l_nb_comps,2);
5443
5444 p_header_data+=2;
5445 p_header_size-=3;
5446
5447 l_nb_bytes_by_comp = 1 + (l_nb_comps>>15);
5448 l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff;
5449
5450 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2)) {
5451 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5452 return OPJ_FALSE;
5453 }
5454
5455 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2);
5456
5457 for (j=0;j<l_mcc_record->m_nb_comps;++j) {
5458 opj_read_bytes(p_header_data,&l_tmp,l_nb_bytes_by_comp); /* Cmccij Component offset*/
5459 p_header_data+=l_nb_bytes_by_comp;
5460
5461 if (l_tmp != j) {
5462 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections with indix shuffle\n");
5463 return OPJ_TRUE;
5464 }
5465 }
5466
5467 opj_read_bytes(p_header_data,&l_nb_comps,2);
5468 p_header_data+=2;
5469
5470 l_nb_bytes_by_comp = 1 + (l_nb_comps>>15);
5471 l_nb_comps &= 0x7fff;
5472
5473 if (l_nb_comps != l_mcc_record->m_nb_comps) {
5474 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections without same number of indixes\n");
5475 return OPJ_TRUE;
5476 }
5477
5478 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3)) {
5479 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5480 return OPJ_FALSE;
5481 }
5482
5483 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3);
5484
5485 for (j=0;j<l_mcc_record->m_nb_comps;++j) {
5486 opj_read_bytes(p_header_data,&l_tmp,l_nb_bytes_by_comp); /* Wmccij Component offset*/
5487 p_header_data+=l_nb_bytes_by_comp;
5488
5489 if (l_tmp != j) {
5490 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge collections with indix shuffle\n");
5491 return OPJ_TRUE;
5492 }
5493 }
5494
5495 opj_read_bytes(p_header_data,&l_tmp,3); /* Wmccij Component offset*/
5496 p_header_data += 3;
5497
5498 l_mcc_record->m_is_irreversible = ! ((l_tmp>>16) & 1);
5499 l_mcc_record->m_decorrelation_array = 00;
5500 l_mcc_record->m_offset_array = 00;
5501
5502 l_indix = l_tmp & 0xff;
5503 if (l_indix != 0) {
5504 l_mct_data = l_tcp->m_mct_records;
5505 for (j=0;j<l_tcp->m_nb_mct_records;++j) {
5506 if (l_mct_data->m_index == l_indix) {
5507 l_mcc_record->m_decorrelation_array = l_mct_data;
5508 break;
5509 }
5510 ++l_mct_data;
5511 }
5512
5513 if (l_mcc_record->m_decorrelation_array == 00) {
5514 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5515 return OPJ_FALSE;
5516 }
5517 }
5518
5519 l_indix = (l_tmp >> 8) & 0xff;
5520 if (l_indix != 0) {
5521 l_mct_data = l_tcp->m_mct_records;
5522 for (j=0;j<l_tcp->m_nb_mct_records;++j) {
5523 if (l_mct_data->m_index == l_indix) {
5524 l_mcc_record->m_offset_array = l_mct_data;
5525 break;
5526 }
5527 ++l_mct_data;
5528 }
5529
5530 if (l_mcc_record->m_offset_array == 00) {
5531 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5532 return OPJ_FALSE;
5533 }
5534 }
5535 }
5536
5537 if (p_header_size != 0) {
5538 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5539 return OPJ_FALSE;
5540 }
5541
5542 if (new_mcc) {
5543 ++l_tcp->m_nb_mcc_records;
5544 }
5545
5546 return OPJ_TRUE;
5547 }
5548
opj_j2k_write_mco(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5549 static OPJ_BOOL opj_j2k_write_mco( opj_j2k_t *p_j2k,
5550 struct opj_stream_private *p_stream,
5551 struct opj_event_mgr * p_manager
5552 )
5553 {
5554 OPJ_BYTE * l_current_data = 00;
5555 OPJ_UINT32 l_mco_size;
5556 opj_tcp_t * l_tcp = 00;
5557 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5558 OPJ_UINT32 i;
5559
5560 /* preconditions */
5561 assert(p_j2k != 00);
5562 assert(p_manager != 00);
5563 assert(p_stream != 00);
5564
5565 l_tcp =&(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
5566
5567 l_mco_size = 5 + l_tcp->m_nb_mcc_records;
5568 if (l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5569
5570 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size);
5571 if (! new_header_tile_data) {
5572 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5573 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5574 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5575 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCO marker\n");
5576 return OPJ_FALSE;
5577 }
5578 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5579 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
5580 }
5581 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5582
5583
5584 opj_write_bytes(l_current_data,J2K_MS_MCO,2); /* MCO */
5585 l_current_data += 2;
5586
5587 opj_write_bytes(l_current_data,l_mco_size-2,2); /* Lmco */
5588 l_current_data += 2;
5589
5590 opj_write_bytes(l_current_data,l_tcp->m_nb_mcc_records,1); /* Nmco : only one transform stage*/
5591 ++l_current_data;
5592
5593 l_mcc_record = l_tcp->m_mcc_records;
5594 for (i=0;i<l_tcp->m_nb_mcc_records;++i) {
5595 opj_write_bytes(l_current_data,l_mcc_record->m_index,1);/* Imco -> use the mcc indicated by 1*/
5596 ++l_current_data;
5597 ++l_mcc_record;
5598 }
5599
5600 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_mco_size,p_manager) != l_mco_size) {
5601 return OPJ_FALSE;
5602 }
5603
5604 return OPJ_TRUE;
5605 }
5606
5607 /**
5608 * Reads a MCO marker (Multiple Component Transform Ordering)
5609 *
5610 * @param p_header_data the data contained in the MCO box.
5611 * @param p_j2k the jpeg2000 codec.
5612 * @param p_header_size the size of the data contained in the MCO marker.
5613 * @param p_manager the user event manager.
5614 */
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)5615 static OPJ_BOOL opj_j2k_read_mco ( opj_j2k_t *p_j2k,
5616 OPJ_BYTE * p_header_data,
5617 OPJ_UINT32 p_header_size,
5618 opj_event_mgr_t * p_manager
5619 )
5620 {
5621 OPJ_UINT32 l_tmp, i;
5622 OPJ_UINT32 l_nb_stages;
5623 opj_tcp_t * l_tcp;
5624 opj_tccp_t * l_tccp;
5625 opj_image_t * l_image;
5626
5627 /* preconditions */
5628 assert(p_header_data != 00);
5629 assert(p_j2k != 00);
5630 assert(p_manager != 00);
5631
5632 l_image = p_j2k->m_private_image;
5633 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5634 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5635 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5636
5637 if (p_header_size < 1) {
5638 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCO marker\n");
5639 return OPJ_FALSE;
5640 }
5641
5642 opj_read_bytes(p_header_data,&l_nb_stages,1); /* Nmco : only one transform stage*/
5643 ++p_header_data;
5644
5645 if (l_nb_stages > 1) {
5646 opj_event_msg(p_manager, EVT_WARNING, "Cannot take in charge multiple transformation stages.\n");
5647 return OPJ_TRUE;
5648 }
5649
5650 if (p_header_size != l_nb_stages + 1) {
5651 opj_event_msg(p_manager, EVT_WARNING, "Error reading MCO marker\n");
5652 return OPJ_FALSE;
5653 }
5654
5655 l_tccp = l_tcp->tccps;
5656
5657 for (i=0;i<l_image->numcomps;++i) {
5658 l_tccp->m_dc_level_shift = 0;
5659 ++l_tccp;
5660 }
5661
5662 if (l_tcp->m_mct_decoding_matrix) {
5663 opj_free(l_tcp->m_mct_decoding_matrix);
5664 l_tcp->m_mct_decoding_matrix = 00;
5665 }
5666
5667 for (i=0;i<l_nb_stages;++i) {
5668 opj_read_bytes(p_header_data,&l_tmp,1);
5669 ++p_header_data;
5670
5671 if (! opj_j2k_add_mct(l_tcp,p_j2k->m_private_image,l_tmp)) {
5672 return OPJ_FALSE;
5673 }
5674 }
5675
5676 return OPJ_TRUE;
5677 }
5678
opj_j2k_add_mct(opj_tcp_t * p_tcp,opj_image_t * p_image,OPJ_UINT32 p_index)5679 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image, OPJ_UINT32 p_index)
5680 {
5681 OPJ_UINT32 i;
5682 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5683 opj_mct_data_t * l_deco_array, * l_offset_array;
5684 OPJ_UINT32 l_data_size,l_mct_size, l_offset_size;
5685 OPJ_UINT32 l_nb_elem;
5686 OPJ_UINT32 * l_offset_data, * l_current_offset_data;
5687 opj_tccp_t * l_tccp;
5688
5689 /* preconditions */
5690 assert(p_tcp != 00);
5691
5692 l_mcc_record = p_tcp->m_mcc_records;
5693
5694 for (i=0;i<p_tcp->m_nb_mcc_records;++i) {
5695 if (l_mcc_record->m_index == p_index) {
5696 break;
5697 }
5698 }
5699
5700 if (i==p_tcp->m_nb_mcc_records) {
5701 /** element discarded **/
5702 return OPJ_TRUE;
5703 }
5704
5705 if (l_mcc_record->m_nb_comps != p_image->numcomps) {
5706 /** do not support number of comps != image */
5707 return OPJ_TRUE;
5708 }
5709
5710 l_deco_array = l_mcc_record->m_decorrelation_array;
5711
5712 if (l_deco_array) {
5713 l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps * p_image->numcomps;
5714 if (l_deco_array->m_data_size != l_data_size) {
5715 return OPJ_FALSE;
5716 }
5717
5718 l_nb_elem = p_image->numcomps * p_image->numcomps;
5719 l_mct_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
5720 p_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
5721
5722 if (! p_tcp->m_mct_decoding_matrix ) {
5723 return OPJ_FALSE;
5724 }
5725
5726 j2k_mct_read_functions_to_float[l_deco_array->m_element_type](l_deco_array->m_data,p_tcp->m_mct_decoding_matrix,l_nb_elem);
5727 }
5728
5729 l_offset_array = l_mcc_record->m_offset_array;
5730
5731 if (l_offset_array) {
5732 l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] * p_image->numcomps;
5733 if (l_offset_array->m_data_size != l_data_size) {
5734 return OPJ_FALSE;
5735 }
5736
5737 l_nb_elem = p_image->numcomps;
5738 l_offset_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_UINT32);
5739 l_offset_data = (OPJ_UINT32*)opj_malloc(l_offset_size);
5740
5741 if (! l_offset_data ) {
5742 return OPJ_FALSE;
5743 }
5744
5745 j2k_mct_read_functions_to_int32[l_offset_array->m_element_type](l_offset_array->m_data,l_offset_data,l_nb_elem);
5746
5747 l_tccp = p_tcp->tccps;
5748 l_current_offset_data = l_offset_data;
5749
5750 for (i=0;i<p_image->numcomps;++i) {
5751 l_tccp->m_dc_level_shift = (OPJ_INT32)*(l_current_offset_data++);
5752 ++l_tccp;
5753 }
5754
5755 opj_free(l_offset_data);
5756 }
5757
5758 return OPJ_TRUE;
5759 }
5760
opj_j2k_write_cbd(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)5761 static OPJ_BOOL opj_j2k_write_cbd( opj_j2k_t *p_j2k,
5762 struct opj_stream_private *p_stream,
5763 struct opj_event_mgr * p_manager )
5764 {
5765 OPJ_UINT32 i;
5766 OPJ_UINT32 l_cbd_size;
5767 OPJ_BYTE * l_current_data = 00;
5768 opj_image_t *l_image = 00;
5769 opj_image_comp_t * l_comp = 00;
5770
5771 /* preconditions */
5772 assert(p_j2k != 00);
5773 assert(p_manager != 00);
5774 assert(p_stream != 00);
5775
5776 l_image = p_j2k->m_private_image;
5777 l_cbd_size = 6 + p_j2k->m_private_image->numcomps;
5778
5779 if (l_cbd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5780 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size);
5781 if (! new_header_tile_data) {
5782 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5783 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5784 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5785 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write CBD marker\n");
5786 return OPJ_FALSE;
5787 }
5788 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5789 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_cbd_size;
5790 }
5791
5792 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5793
5794 opj_write_bytes(l_current_data,J2K_MS_CBD,2); /* CBD */
5795 l_current_data += 2;
5796
5797 opj_write_bytes(l_current_data,l_cbd_size-2,2); /* L_CBD */
5798 l_current_data += 2;
5799
5800 opj_write_bytes(l_current_data,l_image->numcomps, 2); /* Ncbd */
5801 l_current_data+=2;
5802
5803 l_comp = l_image->comps;
5804
5805 for (i=0;i<l_image->numcomps;++i) {
5806 opj_write_bytes(l_current_data, (l_comp->sgnd << 7) | (l_comp->prec - 1), 1); /* Component bit depth */
5807 ++l_current_data;
5808
5809 ++l_comp;
5810 }
5811
5812 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_header_tile_data,l_cbd_size,p_manager) != l_cbd_size) {
5813 return OPJ_FALSE;
5814 }
5815
5816 return OPJ_TRUE;
5817 }
5818
5819 /**
5820 * Reads a CBD marker (Component bit depth definition)
5821 * @param p_header_data the data contained in the CBD box.
5822 * @param p_j2k the jpeg2000 codec.
5823 * @param p_header_size the size of the data contained in the CBD marker.
5824 * @param p_manager the user event manager.
5825 */
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)5826 static OPJ_BOOL opj_j2k_read_cbd ( opj_j2k_t *p_j2k,
5827 OPJ_BYTE * p_header_data,
5828 OPJ_UINT32 p_header_size,
5829 opj_event_mgr_t * p_manager
5830 )
5831 {
5832 OPJ_UINT32 l_nb_comp,l_num_comp;
5833 OPJ_UINT32 l_comp_def;
5834 OPJ_UINT32 i;
5835 opj_image_comp_t * l_comp = 00;
5836
5837 /* preconditions */
5838 assert(p_header_data != 00);
5839 assert(p_j2k != 00);
5840 assert(p_manager != 00);
5841
5842 l_num_comp = p_j2k->m_private_image->numcomps;
5843
5844 if (p_header_size != (p_j2k->m_private_image->numcomps + 2)) {
5845 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
5846 return OPJ_FALSE;
5847 }
5848
5849 opj_read_bytes(p_header_data,&l_nb_comp,2); /* Ncbd */
5850 p_header_data+=2;
5851
5852 if (l_nb_comp != l_num_comp) {
5853 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
5854 return OPJ_FALSE;
5855 }
5856
5857 l_comp = p_j2k->m_private_image->comps;
5858 for (i=0;i<l_num_comp;++i) {
5859 opj_read_bytes(p_header_data,&l_comp_def,1); /* Component bit depth */
5860 ++p_header_data;
5861 l_comp->sgnd = (l_comp_def>>7) & 1;
5862 l_comp->prec = (l_comp_def&0x7f) + 1;
5863 ++l_comp;
5864 }
5865
5866 return OPJ_TRUE;
5867 }
5868
5869 /* ----------------------------------------------------------------------- */
5870 /* J2K / JPT decoder interface */
5871 /* ----------------------------------------------------------------------- */
5872
opj_j2k_setup_decoder(opj_j2k_t * j2k,opj_dparameters_t * parameters)5873 void opj_j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters)
5874 {
5875 if(j2k && parameters) {
5876 j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer;
5877 j2k->m_cp.m_specific_param.m_dec.m_reduce = parameters->cp_reduce;
5878
5879 #ifdef USE_JPWL
5880 j2k->m_cp.correct = parameters->jpwl_correct;
5881 j2k->m_cp.exp_comps = parameters->jpwl_exp_comps;
5882 j2k->m_cp.max_tiles = parameters->jpwl_max_tiles;
5883 #endif /* USE_JPWL */
5884 }
5885 }
5886
5887 /* ----------------------------------------------------------------------- */
5888 /* J2K encoder interface */
5889 /* ----------------------------------------------------------------------- */
5890
opj_j2k_create_compress(void)5891 opj_j2k_t* opj_j2k_create_compress(void)
5892 {
5893 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1,sizeof(opj_j2k_t));
5894 if (!l_j2k) {
5895 return NULL;
5896 }
5897
5898
5899 l_j2k->m_is_decoder = 0;
5900 l_j2k->m_cp.m_is_decoder = 0;
5901
5902 l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(OPJ_J2K_DEFAULT_HEADER_SIZE);
5903 if (! l_j2k->m_specific_param.m_encoder.m_header_tile_data) {
5904 opj_j2k_destroy(l_j2k);
5905 return NULL;
5906 }
5907
5908 l_j2k->m_specific_param.m_encoder.m_header_tile_data_size = OPJ_J2K_DEFAULT_HEADER_SIZE;
5909
5910 /* validation list creation*/
5911 l_j2k->m_validation_list = opj_procedure_list_create();
5912 if (! l_j2k->m_validation_list) {
5913 opj_j2k_destroy(l_j2k);
5914 return NULL;
5915 }
5916
5917 /* execution list creation*/
5918 l_j2k->m_procedure_list = opj_procedure_list_create();
5919 if (! l_j2k->m_procedure_list) {
5920 opj_j2k_destroy(l_j2k);
5921 return NULL;
5922 }
5923
5924 return l_j2k;
5925 }
5926
opj_j2k_initialise_4K_poc(opj_poc_t * POC,int numres)5927 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres){
5928 POC[0].tile = 1;
5929 POC[0].resno0 = 0;
5930 POC[0].compno0 = 0;
5931 POC[0].layno1 = 1;
5932 POC[0].resno1 = (OPJ_UINT32)(numres-1);
5933 POC[0].compno1 = 3;
5934 POC[0].prg1 = OPJ_CPRL;
5935 POC[1].tile = 1;
5936 POC[1].resno0 = (OPJ_UINT32)(numres-1);
5937 POC[1].compno0 = 0;
5938 POC[1].layno1 = 1;
5939 POC[1].resno1 = (OPJ_UINT32)numres;
5940 POC[1].compno1 = 3;
5941 POC[1].prg1 = OPJ_CPRL;
5942 return 2;
5943 }
5944
opj_j2k_set_cinema_parameters(opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)5945 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters, opj_image_t *image, opj_event_mgr_t *p_manager)
5946 {
5947 /* Configure cinema parameters */
5948 int i;
5949
5950 /* No tiling */
5951 parameters->tile_size_on = OPJ_FALSE;
5952 parameters->cp_tdx=1;
5953 parameters->cp_tdy=1;
5954
5955 /* One tile part for each component */
5956 parameters->tp_flag = 'C';
5957 parameters->tp_on = 1;
5958
5959 /* Tile and Image shall be at (0,0) */
5960 parameters->cp_tx0 = 0;
5961 parameters->cp_ty0 = 0;
5962 parameters->image_offset_x0 = 0;
5963 parameters->image_offset_y0 = 0;
5964
5965 /* Codeblock size= 32*32 */
5966 parameters->cblockw_init = 32;
5967 parameters->cblockh_init = 32;
5968
5969 /* Codeblock style: no mode switch enabled */
5970 parameters->mode = 0;
5971
5972 /* No ROI */
5973 parameters->roi_compno = -1;
5974
5975 /* No subsampling */
5976 parameters->subsampling_dx = 1;
5977 parameters->subsampling_dy = 1;
5978
5979 /* 9-7 transform */
5980 parameters->irreversible = 1;
5981
5982 /* Number of layers */
5983 if (parameters->tcp_numlayers > 1){
5984 opj_event_msg(p_manager, EVT_WARNING,
5985 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
5986 "1 single quality layer"
5987 "-> Number of layers forced to 1 (rather than %d)\n"
5988 "-> Rate of the last layer (%3.1f) will be used",
5989 parameters->tcp_numlayers, parameters->tcp_rates[parameters->tcp_numlayers-1]);
5990 parameters->tcp_rates[0] = parameters->tcp_rates[parameters->tcp_numlayers-1];
5991 parameters->tcp_numlayers = 1;
5992 }
5993
5994 /* Resolution levels */
5995 switch (parameters->rsiz){
5996 case OPJ_PROFILE_CINEMA_2K:
5997 if(parameters->numresolution > 6){
5998 opj_event_msg(p_manager, EVT_WARNING,
5999 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6000 "Number of decomposition levels <= 5\n"
6001 "-> Number of decomposition levels forced to 5 (rather than %d)\n",
6002 parameters->numresolution+1);
6003 parameters->numresolution = 6;
6004 }
6005 break;
6006 case OPJ_PROFILE_CINEMA_4K:
6007 if(parameters->numresolution < 2){
6008 opj_event_msg(p_manager, EVT_WARNING,
6009 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6010 "Number of decomposition levels >= 1 && <= 6\n"
6011 "-> Number of decomposition levels forced to 1 (rather than %d)\n",
6012 parameters->numresolution+1);
6013 parameters->numresolution = 1;
6014 }else if(parameters->numresolution > 7){
6015 opj_event_msg(p_manager, EVT_WARNING,
6016 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6017 "Number of decomposition levels >= 1 && <= 6\n"
6018 "-> Number of decomposition levels forced to 6 (rather than %d)\n",
6019 parameters->numresolution+1);
6020 parameters->numresolution = 7;
6021 }
6022 break;
6023 default :
6024 break;
6025 }
6026
6027 /* Precincts */
6028 parameters->csty |= 0x01;
6029 parameters->res_spec = parameters->numresolution-1;
6030 for (i = 0; i<parameters->res_spec; i++) {
6031 parameters->prcw_init[i] = 256;
6032 parameters->prch_init[i] = 256;
6033 }
6034
6035 /* The progression order shall be CPRL */
6036 parameters->prog_order = OPJ_CPRL;
6037
6038 /* Progression order changes for 4K, disallowed for 2K */
6039 if (parameters->rsiz == OPJ_PROFILE_CINEMA_4K) {
6040 parameters->numpocs = (OPJ_UINT32)opj_j2k_initialise_4K_poc(parameters->POC,parameters->numresolution);
6041 } else {
6042 parameters->numpocs = 0;
6043 }
6044
6045 /* Limited bit-rate */
6046 parameters->cp_disto_alloc = 1;
6047 if (parameters->max_cs_size <= 0) {
6048 /* No rate has been introduced, 24 fps is assumed */
6049 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6050 opj_event_msg(p_manager, EVT_WARNING,
6051 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6052 "Maximum 1302083 compressed bytes @ 24fps\n"
6053 "As no rate has been given, this limit will be used.\n");
6054 } else if (parameters->max_cs_size > OPJ_CINEMA_24_CS) {
6055 opj_event_msg(p_manager, EVT_WARNING,
6056 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6057 "Maximum 1302083 compressed bytes @ 24fps\n"
6058 "-> Specified rate exceeds this limit. Rate will be forced to 1302083 bytes.\n");
6059 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6060 }
6061
6062 if (parameters->max_comp_size <= 0) {
6063 /* No rate has been introduced, 24 fps is assumed */
6064 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6065 opj_event_msg(p_manager, EVT_WARNING,
6066 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6067 "Maximum 1041666 compressed bytes @ 24fps\n"
6068 "As no rate has been given, this limit will be used.\n");
6069 } else if (parameters->max_comp_size > OPJ_CINEMA_24_COMP) {
6070 opj_event_msg(p_manager, EVT_WARNING,
6071 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6072 "Maximum 1041666 compressed bytes @ 24fps\n"
6073 "-> Specified rate exceeds this limit. Rate will be forced to 1041666 bytes.\n");
6074 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6075 }
6076
6077 parameters->tcp_rates[0] = (OPJ_FLOAT32) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec)/
6078 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx * image->comps[0].dy);
6079
6080 }
6081
opj_j2k_is_cinema_compliant(opj_image_t * image,OPJ_UINT16 rsiz,opj_event_mgr_t * p_manager)6082 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz, opj_event_mgr_t *p_manager)
6083 {
6084 OPJ_UINT32 i;
6085
6086 /* Number of components */
6087 if (image->numcomps != 3){
6088 opj_event_msg(p_manager, EVT_WARNING,
6089 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6090 "3 components"
6091 "-> Number of components of input image (%d) is not compliant\n"
6092 "-> Non-profile-3 codestream will be generated\n",
6093 image->numcomps);
6094 return OPJ_FALSE;
6095 }
6096
6097 /* Bitdepth */
6098 for (i = 0; i < image->numcomps; i++) {
6099 if ((image->comps[i].bpp != 12) | (image->comps[i].sgnd)){
6100 char signed_str[] = "signed";
6101 char unsigned_str[] = "unsigned";
6102 char *tmp_str = image->comps[i].sgnd?signed_str:unsigned_str;
6103 opj_event_msg(p_manager, EVT_WARNING,
6104 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6105 "Precision of each component shall be 12 bits unsigned"
6106 "-> At least component %d of input image (%d bits, %s) is not compliant\n"
6107 "-> Non-profile-3 codestream will be generated\n",
6108 i,image->comps[i].bpp, tmp_str);
6109 return OPJ_FALSE;
6110 }
6111 }
6112
6113 /* Image size */
6114 switch (rsiz){
6115 case OPJ_PROFILE_CINEMA_2K:
6116 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1080))){
6117 opj_event_msg(p_manager, EVT_WARNING,
6118 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6119 "width <= 2048 and height <= 1080\n"
6120 "-> Input image size %d x %d is not compliant\n"
6121 "-> Non-profile-3 codestream will be generated\n",
6122 image->comps[0].w,image->comps[0].h);
6123 return OPJ_FALSE;
6124 }
6125 break;
6126 case OPJ_PROFILE_CINEMA_4K:
6127 if (((image->comps[0].w > 4096) | (image->comps[0].h > 2160))){
6128 opj_event_msg(p_manager, EVT_WARNING,
6129 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6130 "width <= 4096 and height <= 2160\n"
6131 "-> Image size %d x %d is not compliant\n"
6132 "-> Non-profile-4 codestream will be generated\n",
6133 image->comps[0].w,image->comps[0].h);
6134 return OPJ_FALSE;
6135 }
6136 break;
6137 default :
6138 break;
6139 }
6140
6141 return OPJ_TRUE;
6142 }
6143
opj_j2k_setup_encoder(opj_j2k_t * p_j2k,opj_cparameters_t * parameters,opj_image_t * image,opj_event_mgr_t * p_manager)6144 OPJ_BOOL opj_j2k_setup_encoder( opj_j2k_t *p_j2k,
6145 opj_cparameters_t *parameters,
6146 opj_image_t *image,
6147 opj_event_mgr_t * p_manager)
6148 {
6149 OPJ_UINT32 i, j, tileno, numpocs_tile;
6150 opj_cp_t *cp = 00;
6151
6152 if(!p_j2k || !parameters || ! image) {
6153 return OPJ_FALSE;
6154 }
6155
6156 if ((parameters->numresolution <= 0) || (parameters->numresolution > OPJ_J2K_MAXRLVLS)) {
6157 opj_event_msg(p_manager, EVT_ERROR, "Invalid number of resolutions : %d not in range [1,%d]\n", parameters->numresolution, OPJ_J2K_MAXRLVLS);
6158 return OPJ_FALSE;
6159 }
6160
6161 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
6162 cp = &(p_j2k->m_cp);
6163
6164 /* set default values for cp */
6165 cp->tw = 1;
6166 cp->th = 1;
6167
6168 /* FIXME ADE: to be removed once deprecated cp_cinema and cp_rsiz have been removed */
6169 if (parameters->rsiz == OPJ_PROFILE_NONE) { /* consider deprecated fields only if RSIZ has not been set */
6170 OPJ_BOOL deprecated_used = OPJ_FALSE;
6171 switch (parameters->cp_cinema){
6172 case OPJ_CINEMA2K_24:
6173 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
6174 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6175 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6176 deprecated_used = OPJ_TRUE;
6177 break;
6178 case OPJ_CINEMA2K_48:
6179 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
6180 parameters->max_cs_size = OPJ_CINEMA_48_CS;
6181 parameters->max_comp_size = OPJ_CINEMA_48_COMP;
6182 deprecated_used = OPJ_TRUE;
6183 break;
6184 case OPJ_CINEMA4K_24:
6185 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
6186 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6187 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6188 deprecated_used = OPJ_TRUE;
6189 break;
6190 case OPJ_OFF:
6191 default:
6192 break;
6193 }
6194 switch (parameters->cp_rsiz){
6195 case OPJ_CINEMA2K:
6196 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
6197 deprecated_used = OPJ_TRUE;
6198 break;
6199 case OPJ_CINEMA4K:
6200 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
6201 deprecated_used = OPJ_TRUE;
6202 break;
6203 case OPJ_MCT:
6204 parameters->rsiz = OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT;
6205 deprecated_used = OPJ_TRUE;
6206 case OPJ_STD_RSIZ:
6207 default:
6208 break;
6209 }
6210 if (deprecated_used) {
6211 opj_event_msg(p_manager, EVT_WARNING,
6212 "Deprecated fields cp_cinema or cp_rsiz are used\n"
6213 "Please consider using only the rsiz field\n"
6214 "See openjpeg.h documentation for more details\n");
6215 }
6216 }
6217
6218 /* see if max_codestream_size does limit input rate */
6219 if (parameters->max_cs_size <= 0) {
6220 if (parameters->tcp_rates[parameters->tcp_numlayers-1] > 0) {
6221 OPJ_FLOAT32 temp_size;
6222 temp_size =(OPJ_FLOAT32)(image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec)/
6223 (parameters->tcp_rates[parameters->tcp_numlayers-1] * 8 * (OPJ_FLOAT32)image->comps[0].dx * (OPJ_FLOAT32)image->comps[0].dy);
6224 parameters->max_cs_size = (int) floor(temp_size);
6225 } else {
6226 parameters->max_cs_size = 0;
6227 }
6228 } else {
6229 OPJ_FLOAT32 temp_rate;
6230 OPJ_BOOL cap = OPJ_FALSE;
6231 temp_rate = (OPJ_FLOAT32) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec)/
6232 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx * image->comps[0].dy);
6233 for (i = 0; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
6234 if (parameters->tcp_rates[i] < temp_rate) {
6235 parameters->tcp_rates[i] = temp_rate;
6236 cap = OPJ_TRUE;
6237 }
6238 }
6239 if (cap) {
6240 opj_event_msg(p_manager, EVT_WARNING,
6241 "The desired maximum codestream size has limited\n"
6242 "at least one of the desired quality layers\n");
6243 }
6244 }
6245
6246 /* Manage profiles and applications and set RSIZ */
6247 /* set cinema parameters if required */
6248 if (OPJ_IS_CINEMA(parameters->rsiz)){
6249 if ((parameters->rsiz == OPJ_PROFILE_CINEMA_S2K)
6250 || (parameters->rsiz == OPJ_PROFILE_CINEMA_S4K)){
6251 opj_event_msg(p_manager, EVT_WARNING,
6252 "JPEG 2000 Scalable Digital Cinema profiles not yet supported\n");
6253 parameters->rsiz = OPJ_PROFILE_NONE;
6254 } else {
6255 opj_j2k_set_cinema_parameters(parameters,image,p_manager);
6256 if (!opj_j2k_is_cinema_compliant(image,parameters->rsiz,p_manager)) {
6257 parameters->rsiz = OPJ_PROFILE_NONE;
6258 }
6259 }
6260 } else if (OPJ_IS_STORAGE(parameters->rsiz)) {
6261 opj_event_msg(p_manager, EVT_WARNING,
6262 "JPEG 2000 Long Term Storage profile not yet supported\n");
6263 parameters->rsiz = OPJ_PROFILE_NONE;
6264 } else if (OPJ_IS_BROADCAST(parameters->rsiz)) {
6265 opj_event_msg(p_manager, EVT_WARNING,
6266 "JPEG 2000 Broadcast profiles not yet supported\n");
6267 parameters->rsiz = OPJ_PROFILE_NONE;
6268 } else if (OPJ_IS_IMF(parameters->rsiz)) {
6269 opj_event_msg(p_manager, EVT_WARNING,
6270 "JPEG 2000 IMF profiles not yet supported\n");
6271 parameters->rsiz = OPJ_PROFILE_NONE;
6272 } else if (OPJ_IS_PART2(parameters->rsiz)) {
6273 if (parameters->rsiz == ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_NONE))) {
6274 opj_event_msg(p_manager, EVT_WARNING,
6275 "JPEG 2000 Part-2 profile defined\n"
6276 "but no Part-2 extension enabled.\n"
6277 "Profile set to NONE.\n");
6278 parameters->rsiz = OPJ_PROFILE_NONE;
6279 } else if (parameters->rsiz != ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT))) {
6280 opj_event_msg(p_manager, EVT_WARNING,
6281 "Unsupported Part-2 extension enabled\n"
6282 "Profile set to NONE.\n");
6283 parameters->rsiz = OPJ_PROFILE_NONE;
6284 }
6285 }
6286
6287 /*
6288 copy user encoding parameters
6289 */
6290 cp->m_specific_param.m_enc.m_max_comp_size = (OPJ_UINT32)parameters->max_comp_size;
6291 cp->rsiz = parameters->rsiz;
6292 cp->m_specific_param.m_enc.m_disto_alloc = (OPJ_UINT32)parameters->cp_disto_alloc & 1u;
6293 cp->m_specific_param.m_enc.m_fixed_alloc = (OPJ_UINT32)parameters->cp_fixed_alloc & 1u;
6294 cp->m_specific_param.m_enc.m_fixed_quality = (OPJ_UINT32)parameters->cp_fixed_quality & 1u;
6295
6296 /* mod fixed_quality */
6297 if (parameters->cp_fixed_alloc && parameters->cp_matrice) {
6298 size_t array_size = (size_t)parameters->tcp_numlayers * (size_t)parameters->numresolution * 3 * sizeof(OPJ_INT32);
6299 cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size);
6300 if (!cp->m_specific_param.m_enc.m_matrice) {
6301 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate copy of user encoding parameters matrix \n");
6302 return OPJ_FALSE;
6303 }
6304 memcpy(cp->m_specific_param.m_enc.m_matrice, parameters->cp_matrice, array_size);
6305 }
6306
6307 /* tiles */
6308 cp->tdx = (OPJ_UINT32)parameters->cp_tdx;
6309 cp->tdy = (OPJ_UINT32)parameters->cp_tdy;
6310
6311 /* tile offset */
6312 cp->tx0 = (OPJ_UINT32)parameters->cp_tx0;
6313 cp->ty0 = (OPJ_UINT32)parameters->cp_ty0;
6314
6315 /* comment string */
6316 if(parameters->cp_comment) {
6317 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1U);
6318 if(!cp->comment) {
6319 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate copy of comment string\n");
6320 return OPJ_FALSE;
6321 }
6322 strcpy(cp->comment, parameters->cp_comment);
6323 } else {
6324 /* Create default comment for codestream */
6325 const char comment[] = "Created by OpenJPEG version ";
6326 const size_t clen = strlen(comment);
6327 const char *version = opj_version();
6328
6329 /* UniPG>> */
6330 #ifdef USE_JPWL
6331 cp->comment = (char*)opj_malloc(clen+strlen(version)+11);
6332 if(!cp->comment) {
6333 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate comment string\n");
6334 return OPJ_FALSE;
6335 }
6336 sprintf(cp->comment,"%s%s with JPWL", comment, version);
6337 #else
6338 cp->comment = (char*)opj_malloc(clen+strlen(version)+1);
6339 if(!cp->comment) {
6340 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate comment string\n");
6341 return OPJ_FALSE;
6342 }
6343 sprintf(cp->comment,"%s%s", comment, version);
6344 #endif
6345 /* <<UniPG */
6346 }
6347
6348 /*
6349 calculate other encoding parameters
6350 */
6351
6352 if (parameters->tile_size_on) {
6353 cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->x1 - cp->tx0), (OPJ_INT32)cp->tdx);
6354 cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->y1 - cp->ty0), (OPJ_INT32)cp->tdy);
6355 } else {
6356 cp->tdx = image->x1 - cp->tx0;
6357 cp->tdy = image->y1 - cp->ty0;
6358 }
6359
6360 if (parameters->tp_on) {
6361 cp->m_specific_param.m_enc.m_tp_flag = (OPJ_BYTE)parameters->tp_flag;
6362 cp->m_specific_param.m_enc.m_tp_on = 1;
6363 }
6364
6365 #ifdef USE_JPWL
6366 /*
6367 calculate JPWL encoding parameters
6368 */
6369
6370 if (parameters->jpwl_epc_on) {
6371 OPJ_INT32 i;
6372
6373 /* set JPWL on */
6374 cp->epc_on = OPJ_TRUE;
6375 cp->info_on = OPJ_FALSE; /* no informative technique */
6376
6377 /* set EPB on */
6378 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
6379 cp->epb_on = OPJ_TRUE;
6380
6381 cp->hprot_MH = parameters->jpwl_hprot_MH;
6382 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
6383 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
6384 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
6385 }
6386 /* if tile specs are not specified, copy MH specs */
6387 if (cp->hprot_TPH[0] == -1) {
6388 cp->hprot_TPH_tileno[0] = 0;
6389 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
6390 }
6391 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
6392 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
6393 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
6394 cp->pprot[i] = parameters->jpwl_pprot[i];
6395 }
6396 }
6397
6398 /* set ESD writing */
6399 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
6400 cp->esd_on = OPJ_TRUE;
6401
6402 cp->sens_size = parameters->jpwl_sens_size;
6403 cp->sens_addr = parameters->jpwl_sens_addr;
6404 cp->sens_range = parameters->jpwl_sens_range;
6405
6406 cp->sens_MH = parameters->jpwl_sens_MH;
6407 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
6408 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
6409 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
6410 }
6411 }
6412
6413 /* always set RED writing to false: we are at the encoder */
6414 cp->red_on = OPJ_FALSE;
6415
6416 } else {
6417 cp->epc_on = OPJ_FALSE;
6418 }
6419 #endif /* USE_JPWL */
6420
6421 /* initialize the mutiple tiles */
6422 /* ---------------------------- */
6423 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
6424 if (!cp->tcps) {
6425 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate tile coding parameters\n");
6426 return OPJ_FALSE;
6427 }
6428 if (parameters->numpocs) {
6429 /* initialisation of POC */
6430 opj_j2k_check_poc_val(parameters->POC,parameters->numpocs, (OPJ_UINT32)parameters->numresolution, image->numcomps, (OPJ_UINT32)parameters->tcp_numlayers, p_manager);
6431 /* TODO MSD use the return value*/
6432 }
6433
6434 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
6435 opj_tcp_t *tcp = &cp->tcps[tileno];
6436 tcp->numlayers = (OPJ_UINT32)parameters->tcp_numlayers;
6437
6438 for (j = 0; j < tcp->numlayers; j++) {
6439 if(OPJ_IS_CINEMA(cp->rsiz)){
6440 if (cp->m_specific_param.m_enc.m_fixed_quality) {
6441 tcp->distoratio[j] = parameters->tcp_distoratio[j];
6442 }
6443 tcp->rates[j] = parameters->tcp_rates[j];
6444 }else{
6445 if (cp->m_specific_param.m_enc.m_fixed_quality) { /* add fixed_quality */
6446 tcp->distoratio[j] = parameters->tcp_distoratio[j];
6447 } else {
6448 tcp->rates[j] = parameters->tcp_rates[j];
6449 }
6450 }
6451 }
6452
6453 tcp->csty = (OPJ_UINT32)parameters->csty;
6454 tcp->prg = parameters->prog_order;
6455 tcp->mct = (OPJ_UINT32)parameters->tcp_mct;
6456
6457 numpocs_tile = 0;
6458 tcp->POC = 0;
6459
6460 if (parameters->numpocs) {
6461 /* initialisation of POC */
6462 tcp->POC = 1;
6463 for (i = 0; i < parameters->numpocs; i++) {
6464 if (tileno + 1 == parameters->POC[i].tile ) {
6465 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
6466
6467 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
6468 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
6469 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
6470 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
6471 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
6472 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
6473 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
6474
6475 numpocs_tile++;
6476 }
6477 }
6478
6479 tcp->numpocs = numpocs_tile -1 ;
6480 }else{
6481 tcp->numpocs = 0;
6482 }
6483
6484 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
6485 if (!tcp->tccps) {
6486 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate tile component coding parameters\n");
6487 return OPJ_FALSE;
6488 }
6489 if (parameters->mct_data) {
6490
6491 OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
6492 OPJ_FLOAT32 * lTmpBuf = (OPJ_FLOAT32*)opj_malloc(lMctSize);
6493 OPJ_INT32 * l_dc_shift = (OPJ_INT32 *) ((OPJ_BYTE *) parameters->mct_data + lMctSize);
6494
6495 if (!lTmpBuf) {
6496 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate temp buffer\n");
6497 return OPJ_FALSE;
6498 }
6499
6500 tcp->mct = 2;
6501 tcp->m_mct_coding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
6502 if (! tcp->m_mct_coding_matrix) {
6503 opj_free(lTmpBuf);
6504 lTmpBuf = NULL;
6505 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate encoder MCT coding matrix \n");
6506 return OPJ_FALSE;
6507 }
6508 memcpy(tcp->m_mct_coding_matrix,parameters->mct_data,lMctSize);
6509 memcpy(lTmpBuf,parameters->mct_data,lMctSize);
6510
6511 tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
6512 if (! tcp->m_mct_decoding_matrix) {
6513 opj_free(lTmpBuf);
6514 lTmpBuf = NULL;
6515 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate encoder MCT decoding matrix \n");
6516 return OPJ_FALSE;
6517 }
6518 if(opj_matrix_inversion_f(lTmpBuf,(tcp->m_mct_decoding_matrix),image->numcomps) == OPJ_FALSE) {
6519 opj_free(lTmpBuf);
6520 lTmpBuf = NULL;
6521 opj_event_msg(p_manager, EVT_ERROR, "Failed to inverse encoder MCT decoding matrix \n");
6522 return OPJ_FALSE;
6523 }
6524
6525 tcp->mct_norms = (OPJ_FLOAT64*)
6526 opj_malloc(image->numcomps * sizeof(OPJ_FLOAT64));
6527 if (! tcp->mct_norms) {
6528 opj_free(lTmpBuf);
6529 lTmpBuf = NULL;
6530 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to allocate encoder MCT norms \n");
6531 return OPJ_FALSE;
6532 }
6533 opj_calculate_norms(tcp->mct_norms,image->numcomps,tcp->m_mct_decoding_matrix);
6534 opj_free(lTmpBuf);
6535
6536 for (i = 0; i < image->numcomps; i++) {
6537 opj_tccp_t *tccp = &tcp->tccps[i];
6538 tccp->m_dc_level_shift = l_dc_shift[i];
6539 }
6540
6541 if (opj_j2k_setup_mct_encoding(tcp,image) == OPJ_FALSE) {
6542 /* free will be handled by opj_j2k_destroy */
6543 opj_event_msg(p_manager, EVT_ERROR, "Failed to setup j2k mct encoding\n");
6544 return OPJ_FALSE;
6545 }
6546 }
6547 else {
6548 if(tcp->mct==1 && image->numcomps >= 3) { /* RGB->YCC MCT is enabled */
6549 if ((image->comps[0].dx != image->comps[1].dx) ||
6550 (image->comps[0].dx != image->comps[2].dx) ||
6551 (image->comps[0].dy != image->comps[1].dy) ||
6552 (image->comps[0].dy != image->comps[2].dy)) {
6553 opj_event_msg(p_manager, EVT_WARNING, "Cannot perform MCT on components with different sizes. Disabling MCT.\n");
6554 tcp->mct = 0;
6555 }
6556 }
6557 for (i = 0; i < image->numcomps; i++) {
6558 opj_tccp_t *tccp = &tcp->tccps[i];
6559 opj_image_comp_t * l_comp = &(image->comps[i]);
6560
6561 if (! l_comp->sgnd) {
6562 tccp->m_dc_level_shift = 1 << (l_comp->prec - 1);
6563 }
6564 }
6565 }
6566
6567 for (i = 0; i < image->numcomps; i++) {
6568 opj_tccp_t *tccp = &tcp->tccps[i];
6569
6570 tccp->csty = parameters->csty & 0x01; /* 0 => one precinct || 1 => custom precinct */
6571 tccp->numresolutions = (OPJ_UINT32)parameters->numresolution;
6572 tccp->cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
6573 tccp->cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
6574 tccp->cblksty = (OPJ_UINT32)parameters->mode;
6575 tccp->qmfbid = parameters->irreversible ? 0 : 1;
6576 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT : J2K_CCP_QNTSTY_NOQNT;
6577 tccp->numgbits = 2;
6578
6579 if ((OPJ_INT32)i == parameters->roi_compno) {
6580 tccp->roishift = parameters->roi_shift;
6581 } else {
6582 tccp->roishift = 0;
6583 }
6584
6585 if (parameters->csty & J2K_CCP_CSTY_PRT) {
6586 OPJ_INT32 p = 0, it_res;
6587 assert( tccp->numresolutions > 0 );
6588 for (it_res = (OPJ_INT32)tccp->numresolutions - 1; it_res >= 0; it_res--) {
6589 if (p < parameters->res_spec) {
6590
6591 if (parameters->prcw_init[p] < 1) {
6592 tccp->prcw[it_res] = 1;
6593 } else {
6594 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prcw_init[p]);
6595 }
6596
6597 if (parameters->prch_init[p] < 1) {
6598 tccp->prch[it_res] = 1;
6599 }else {
6600 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prch_init[p]);
6601 }
6602
6603 } else {
6604 OPJ_INT32 res_spec = parameters->res_spec;
6605 OPJ_INT32 size_prcw = 0;
6606 OPJ_INT32 size_prch = 0;
6607
6608 assert(res_spec>0); /* issue 189 */
6609 size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
6610 size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
6611
6612
6613 if (size_prcw < 1) {
6614 tccp->prcw[it_res] = 1;
6615 } else {
6616 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prcw);
6617 }
6618
6619 if (size_prch < 1) {
6620 tccp->prch[it_res] = 1;
6621 } else {
6622 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prch);
6623 }
6624 }
6625 p++;
6626 /*printf("\nsize precinct for level %d : %d,%d\n", it_res,tccp->prcw[it_res], tccp->prch[it_res]); */
6627 } /*end for*/
6628 } else {
6629 for (j = 0; j < tccp->numresolutions; j++) {
6630 tccp->prcw[j] = 15;
6631 tccp->prch[j] = 15;
6632 }
6633 }
6634
6635 opj_dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
6636 }
6637 }
6638
6639 if (parameters->mct_data) {
6640 opj_free(parameters->mct_data);
6641 parameters->mct_data = 00;
6642 }
6643 return OPJ_TRUE;
6644 }
6645
opj_j2k_add_mhmarker(opj_codestream_index_t * cstr_index,OPJ_UINT32 type,OPJ_OFF_T pos,OPJ_UINT32 len)6646 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
6647 {
6648 assert(cstr_index != 00);
6649
6650 /* expand the list? */
6651 if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) {
6652 opj_marker_info_t *new_marker;
6653 cstr_index->maxmarknum = (OPJ_UINT32)(100 + (OPJ_FLOAT32) cstr_index->maxmarknum);
6654 new_marker = (opj_marker_info_t *) opj_realloc(cstr_index->marker, cstr_index->maxmarknum *sizeof(opj_marker_info_t));
6655 if (! new_marker) {
6656 opj_free(cstr_index->marker);
6657 cstr_index->marker = NULL;
6658 cstr_index->maxmarknum = 0;
6659 cstr_index->marknum = 0;
6660 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); */
6661 return OPJ_FALSE;
6662 }
6663 cstr_index->marker = new_marker;
6664 }
6665
6666 /* add the marker */
6667 cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type;
6668 cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos;
6669 cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len;
6670 cstr_index->marknum++;
6671 return OPJ_TRUE;
6672 }
6673
opj_j2k_add_tlmarker(OPJ_UINT32 tileno,opj_codestream_index_t * cstr_index,OPJ_UINT32 type,OPJ_OFF_T pos,OPJ_UINT32 len)6674 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno, opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
6675 {
6676 assert(cstr_index != 00);
6677 assert(cstr_index->tile_index != 00);
6678
6679 /* expand the list? */
6680 if ((cstr_index->tile_index[tileno].marknum + 1) > cstr_index->tile_index[tileno].maxmarknum) {
6681 opj_marker_info_t *new_marker;
6682 cstr_index->tile_index[tileno].maxmarknum = (OPJ_UINT32)(100 + (OPJ_FLOAT32) cstr_index->tile_index[tileno].maxmarknum);
6683 new_marker = (opj_marker_info_t *) opj_realloc(
6684 cstr_index->tile_index[tileno].marker,
6685 cstr_index->tile_index[tileno].maxmarknum *sizeof(opj_marker_info_t));
6686 if (! new_marker) {
6687 opj_free(cstr_index->tile_index[tileno].marker);
6688 cstr_index->tile_index[tileno].marker = NULL;
6689 cstr_index->tile_index[tileno].maxmarknum = 0;
6690 cstr_index->tile_index[tileno].marknum = 0;
6691 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n"); */
6692 return OPJ_FALSE;
6693 }
6694 cstr_index->tile_index[tileno].marker = new_marker;
6695 }
6696
6697 /* add the marker */
6698 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type = (OPJ_UINT16)type;
6699 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos = (OPJ_INT32)pos;
6700 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len = (OPJ_INT32)len;
6701 cstr_index->tile_index[tileno].marknum++;
6702
6703 if (type == J2K_MS_SOT) {
6704 OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
6705
6706 if (cstr_index->tile_index[tileno].tp_index)
6707 cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
6708
6709 }
6710 return OPJ_TRUE;
6711 }
6712
6713 /*
6714 * -----------------------------------------------------------------------
6715 * -----------------------------------------------------------------------
6716 * -----------------------------------------------------------------------
6717 */
6718
opj_j2k_end_decompress(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)6719 OPJ_BOOL opj_j2k_end_decompress(opj_j2k_t *p_j2k,
6720 opj_stream_private_t *p_stream,
6721 opj_event_mgr_t * p_manager
6722 )
6723 {
6724 (void)p_j2k;
6725 (void)p_stream;
6726 (void)p_manager;
6727 return OPJ_TRUE;
6728 }
6729
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)6730 OPJ_BOOL opj_j2k_read_header( opj_stream_private_t *p_stream,
6731 opj_j2k_t* p_j2k,
6732 opj_image_t** p_image,
6733 opj_event_mgr_t* p_manager )
6734 {
6735 /* preconditions */
6736 assert(p_j2k != 00);
6737 assert(p_stream != 00);
6738 assert(p_manager != 00);
6739
6740 /* create an empty image header */
6741 p_j2k->m_private_image = opj_image_create0();
6742 if (! p_j2k->m_private_image) {
6743 return OPJ_FALSE;
6744 }
6745
6746 /* customization of the validation */
6747 if (! opj_j2k_setup_decoding_validation(p_j2k, p_manager)) {
6748 opj_image_destroy(p_j2k->m_private_image);
6749 p_j2k->m_private_image = NULL;
6750 return OPJ_FALSE;
6751 }
6752
6753 /* validation of the parameters codec */
6754 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream,p_manager)) {
6755 opj_image_destroy(p_j2k->m_private_image);
6756 p_j2k->m_private_image = NULL;
6757 return OPJ_FALSE;
6758 }
6759
6760 /* customization of the encoding */
6761 if (! opj_j2k_setup_header_reading(p_j2k, p_manager)) {
6762 opj_image_destroy(p_j2k->m_private_image);
6763 p_j2k->m_private_image = NULL;
6764 return OPJ_FALSE;
6765 }
6766
6767 /* read header */
6768 if (! opj_j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
6769 opj_image_destroy(p_j2k->m_private_image);
6770 p_j2k->m_private_image = NULL;
6771 return OPJ_FALSE;
6772 }
6773
6774 *p_image = opj_image_create0();
6775 if (! (*p_image)) {
6776 return OPJ_FALSE;
6777 }
6778
6779 /* Copy codestream image information to the output image */
6780 opj_copy_image_header(p_j2k->m_private_image, *p_image);
6781
6782 /*Allocate and initialize some elements of codestrem index*/
6783 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)){
6784 return OPJ_FALSE;
6785 }
6786
6787 return OPJ_TRUE;
6788 }
6789
opj_j2k_setup_header_reading(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)6790 static OPJ_BOOL opj_j2k_setup_header_reading (opj_j2k_t *p_j2k, opj_event_mgr_t * p_manager)
6791 {
6792 /* preconditions*/
6793 assert(p_j2k != 00);
6794 assert(p_manager != 00);
6795
6796 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_read_header_procedure, p_manager)) {
6797 return OPJ_FALSE;
6798 }
6799
6800 /* DEVELOPER CORNER, add your custom procedures */
6801 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_copy_default_tcp_and_create_tcd, p_manager)) {
6802 return OPJ_FALSE;
6803 }
6804
6805 return OPJ_TRUE;
6806 }
6807
opj_j2k_setup_decoding_validation(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)6808 static OPJ_BOOL opj_j2k_setup_decoding_validation (opj_j2k_t *p_j2k, opj_event_mgr_t * p_manager)
6809 {
6810 /* preconditions*/
6811 assert(p_j2k != 00);
6812 assert(p_manager != 00);
6813
6814 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,(opj_procedure)opj_j2k_build_decoder, p_manager)) {
6815 return OPJ_FALSE;
6816 }
6817 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,(opj_procedure)opj_j2k_decoding_validation, p_manager)) {
6818 return OPJ_FALSE;
6819 }
6820
6821 /* DEVELOPER CORNER, add your custom validation procedure */
6822 return OPJ_TRUE;
6823 }
6824
opj_j2k_mct_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)6825 static OPJ_BOOL opj_j2k_mct_validation ( opj_j2k_t * p_j2k,
6826 opj_stream_private_t *p_stream,
6827 opj_event_mgr_t * p_manager )
6828 {
6829 OPJ_BOOL l_is_valid = OPJ_TRUE;
6830 OPJ_UINT32 i,j;
6831
6832 /* preconditions */
6833 assert(p_j2k != 00);
6834 assert(p_stream != 00);
6835 assert(p_manager != 00);
6836
6837 if ((p_j2k->m_cp.rsiz & 0x8200) == 0x8200) {
6838 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
6839 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
6840
6841 for (i=0;i<l_nb_tiles;++i) {
6842 if (l_tcp->mct == 2) {
6843 opj_tccp_t * l_tccp = l_tcp->tccps;
6844 l_is_valid &= (l_tcp->m_mct_coding_matrix != 00);
6845
6846 for (j=0;j<p_j2k->m_private_image->numcomps;++j) {
6847 l_is_valid &= ! (l_tccp->qmfbid & 1);
6848 ++l_tccp;
6849 }
6850 }
6851 ++l_tcp;
6852 }
6853 }
6854
6855 return l_is_valid;
6856 }
6857
opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp,opj_image_t * p_image)6858 OPJ_BOOL opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp, opj_image_t * p_image)
6859 {
6860 OPJ_UINT32 i;
6861 OPJ_UINT32 l_indix = 1;
6862 opj_mct_data_t * l_mct_deco_data = 00,* l_mct_offset_data = 00;
6863 opj_simple_mcc_decorrelation_data_t * l_mcc_data;
6864 OPJ_UINT32 l_mct_size,l_nb_elem;
6865 OPJ_FLOAT32 * l_data, * l_current_data;
6866 opj_tccp_t * l_tccp;
6867
6868 /* preconditions */
6869 assert(p_tcp != 00);
6870
6871 if (p_tcp->mct != 2) {
6872 return OPJ_TRUE;
6873 }
6874
6875 if (p_tcp->m_mct_decoding_matrix) {
6876 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
6877 opj_mct_data_t *new_mct_records;
6878 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
6879
6880 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records, p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
6881 if (! new_mct_records) {
6882 opj_free(p_tcp->m_mct_records);
6883 p_tcp->m_mct_records = NULL;
6884 p_tcp->m_nb_max_mct_records = 0;
6885 p_tcp->m_nb_mct_records = 0;
6886 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
6887 return OPJ_FALSE;
6888 }
6889 p_tcp->m_mct_records = new_mct_records;
6890 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
6891
6892 memset(l_mct_deco_data ,0,(p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(opj_mct_data_t));
6893 }
6894 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
6895
6896 if (l_mct_deco_data->m_data) {
6897 opj_free(l_mct_deco_data->m_data);
6898 l_mct_deco_data->m_data = 00;
6899 }
6900
6901 l_mct_deco_data->m_index = l_indix++;
6902 l_mct_deco_data->m_array_type = MCT_TYPE_DECORRELATION;
6903 l_mct_deco_data->m_element_type = MCT_TYPE_FLOAT;
6904 l_nb_elem = p_image->numcomps * p_image->numcomps;
6905 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_deco_data->m_element_type];
6906 l_mct_deco_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size );
6907
6908 if (! l_mct_deco_data->m_data) {
6909 return OPJ_FALSE;
6910 }
6911
6912 j2k_mct_write_functions_from_float[l_mct_deco_data->m_element_type](p_tcp->m_mct_decoding_matrix,l_mct_deco_data->m_data,l_nb_elem);
6913
6914 l_mct_deco_data->m_data_size = l_mct_size;
6915 ++p_tcp->m_nb_mct_records;
6916 }
6917
6918 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
6919 opj_mct_data_t *new_mct_records;
6920 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
6921 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records, p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
6922 if (! new_mct_records) {
6923 opj_free(p_tcp->m_mct_records);
6924 p_tcp->m_mct_records = NULL;
6925 p_tcp->m_nb_max_mct_records = 0;
6926 p_tcp->m_nb_mct_records = 0;
6927 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
6928 return OPJ_FALSE;
6929 }
6930 p_tcp->m_mct_records = new_mct_records;
6931 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
6932
6933 memset(l_mct_offset_data ,0,(p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(opj_mct_data_t));
6934
6935 if (l_mct_deco_data) {
6936 l_mct_deco_data = l_mct_offset_data - 1;
6937 }
6938 }
6939
6940 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
6941
6942 if (l_mct_offset_data->m_data) {
6943 opj_free(l_mct_offset_data->m_data);
6944 l_mct_offset_data->m_data = 00;
6945 }
6946
6947 l_mct_offset_data->m_index = l_indix++;
6948 l_mct_offset_data->m_array_type = MCT_TYPE_OFFSET;
6949 l_mct_offset_data->m_element_type = MCT_TYPE_FLOAT;
6950 l_nb_elem = p_image->numcomps;
6951 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_offset_data->m_element_type];
6952 l_mct_offset_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size );
6953
6954 if (! l_mct_offset_data->m_data) {
6955 return OPJ_FALSE;
6956 }
6957
6958 l_data = (OPJ_FLOAT32*)opj_malloc(l_nb_elem * sizeof(OPJ_FLOAT32));
6959 if (! l_data) {
6960 opj_free(l_mct_offset_data->m_data);
6961 l_mct_offset_data->m_data = 00;
6962 return OPJ_FALSE;
6963 }
6964
6965 l_tccp = p_tcp->tccps;
6966 l_current_data = l_data;
6967
6968 for (i=0;i<l_nb_elem;++i) {
6969 *(l_current_data++) = (OPJ_FLOAT32) (l_tccp->m_dc_level_shift);
6970 ++l_tccp;
6971 }
6972
6973 j2k_mct_write_functions_from_float[l_mct_offset_data->m_element_type](l_data,l_mct_offset_data->m_data,l_nb_elem);
6974
6975 opj_free(l_data);
6976
6977 l_mct_offset_data->m_data_size = l_mct_size;
6978
6979 ++p_tcp->m_nb_mct_records;
6980
6981 if (p_tcp->m_nb_mcc_records == p_tcp->m_nb_max_mcc_records) {
6982 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
6983 p_tcp->m_nb_max_mcc_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
6984 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
6985 p_tcp->m_mcc_records, p_tcp->m_nb_max_mcc_records * sizeof(opj_simple_mcc_decorrelation_data_t));
6986 if (! new_mcc_records) {
6987 opj_free(p_tcp->m_mcc_records);
6988 p_tcp->m_mcc_records = NULL;
6989 p_tcp->m_nb_max_mcc_records = 0;
6990 p_tcp->m_nb_mcc_records = 0;
6991 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
6992 return OPJ_FALSE;
6993 }
6994 p_tcp->m_mcc_records = new_mcc_records;
6995 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
6996 memset(l_mcc_data ,0,(p_tcp->m_nb_max_mcc_records - p_tcp->m_nb_mcc_records) * sizeof(opj_simple_mcc_decorrelation_data_t));
6997
6998 }
6999
7000 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
7001 l_mcc_data->m_decorrelation_array = l_mct_deco_data;
7002 l_mcc_data->m_is_irreversible = 1;
7003 l_mcc_data->m_nb_comps = p_image->numcomps;
7004 l_mcc_data->m_index = l_indix++;
7005 l_mcc_data->m_offset_array = l_mct_offset_data;
7006 ++p_tcp->m_nb_mcc_records;
7007
7008 return OPJ_TRUE;
7009 }
7010
opj_j2k_build_decoder(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7011 static OPJ_BOOL opj_j2k_build_decoder (opj_j2k_t * p_j2k,
7012 opj_stream_private_t *p_stream,
7013 opj_event_mgr_t * p_manager )
7014 {
7015 /* add here initialization of cp
7016 copy paste of setup_decoder */
7017 (void)p_j2k;
7018 (void)p_stream;
7019 (void)p_manager;
7020 return OPJ_TRUE;
7021 }
7022
opj_j2k_build_encoder(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7023 static OPJ_BOOL opj_j2k_build_encoder (opj_j2k_t * p_j2k,
7024 opj_stream_private_t *p_stream,
7025 opj_event_mgr_t * p_manager )
7026 {
7027 /* add here initialization of cp
7028 copy paste of setup_encoder */
7029 (void)p_j2k;
7030 (void)p_stream;
7031 (void)p_manager;
7032 return OPJ_TRUE;
7033 }
7034
opj_j2k_encoding_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7035 static OPJ_BOOL opj_j2k_encoding_validation ( opj_j2k_t * p_j2k,
7036 opj_stream_private_t *p_stream,
7037 opj_event_mgr_t * p_manager )
7038 {
7039 OPJ_BOOL l_is_valid = OPJ_TRUE;
7040
7041 /* preconditions */
7042 assert(p_j2k != 00);
7043 assert(p_stream != 00);
7044 assert(p_manager != 00);
7045
7046 /* STATE checking */
7047 /* make sure the state is at 0 */
7048 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NONE);
7049
7050 /* POINTER validation */
7051 /* make sure a p_j2k codec is present */
7052 l_is_valid &= (p_j2k->m_procedure_list != 00);
7053 /* make sure a validation list is present */
7054 l_is_valid &= (p_j2k->m_validation_list != 00);
7055
7056 /* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */
7057 /* 33 (32) would always fail the check below (if a cast to 64bits was done) */
7058 /* FIXME Shall we change OPJ_J2K_MAXRLVLS to 32 ? */
7059 if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) || (p_j2k->m_cp.tcps->tccps->numresolutions > 32)) {
7060 opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n");
7061 return OPJ_FALSE;
7062 }
7063
7064 if ((p_j2k->m_cp.tdx) < (OPJ_UINT32) (1 << (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
7065 opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n");
7066 return OPJ_FALSE;
7067 }
7068
7069 if ((p_j2k->m_cp.tdy) < (OPJ_UINT32) (1 << (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
7070 opj_event_msg(p_manager, EVT_ERROR, "Number of resolutions is too high in comparison to the size of tiles\n");
7071 return OPJ_FALSE;
7072 }
7073
7074 /* PARAMETER VALIDATION */
7075 return l_is_valid;
7076 }
7077
opj_j2k_decoding_validation(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7078 static OPJ_BOOL opj_j2k_decoding_validation ( opj_j2k_t *p_j2k,
7079 opj_stream_private_t *p_stream,
7080 opj_event_mgr_t * p_manager
7081 )
7082 {
7083 OPJ_BOOL l_is_valid = OPJ_TRUE;
7084
7085 /* preconditions*/
7086 assert(p_j2k != 00);
7087 assert(p_stream != 00);
7088 assert(p_manager != 00);
7089
7090 /* STATE checking */
7091 /* make sure the state is at 0 */
7092 #ifdef TODO_MSD
7093 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
7094 #endif
7095 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000);
7096
7097 /* POINTER validation */
7098 /* make sure a p_j2k codec is present */
7099 /* make sure a procedure list is present */
7100 l_is_valid &= (p_j2k->m_procedure_list != 00);
7101 /* make sure a validation list is present */
7102 l_is_valid &= (p_j2k->m_validation_list != 00);
7103
7104 /* PARAMETER VALIDATION */
7105 return l_is_valid;
7106 }
7107
opj_j2k_read_header_procedure(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)7108 static OPJ_BOOL opj_j2k_read_header_procedure( opj_j2k_t *p_j2k,
7109 opj_stream_private_t *p_stream,
7110 opj_event_mgr_t * p_manager)
7111 {
7112 OPJ_UINT32 l_current_marker;
7113 OPJ_UINT32 l_marker_size;
7114 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
7115 OPJ_BOOL l_has_siz = 0;
7116 OPJ_BOOL l_has_cod = 0;
7117 OPJ_BOOL l_has_qcd = 0;
7118
7119 /* preconditions */
7120 assert(p_stream != 00);
7121 assert(p_j2k != 00);
7122 assert(p_manager != 00);
7123
7124 /* We enter in the main header */
7125 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
7126
7127 /* Try to read the SOC marker, the codestream must begin with SOC marker */
7128 if (! opj_j2k_read_soc(p_j2k,p_stream,p_manager)) {
7129 opj_event_msg(p_manager, EVT_ERROR, "Expected a SOC marker \n");
7130 return OPJ_FALSE;
7131 }
7132
7133 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
7134 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
7135 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7136 return OPJ_FALSE;
7137 }
7138
7139 /* Read 2 bytes as the new marker ID */
7140 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
7141
7142 /* Try to read until the SOT is detected */
7143 while (l_current_marker != J2K_MS_SOT) {
7144
7145 /* Check if the current marker ID is valid */
7146 if (l_current_marker < 0xff00) {
7147 opj_event_msg(p_manager, EVT_ERROR, "A marker ID was expected (0xff--) instead of %.8x\n", l_current_marker);
7148 return OPJ_FALSE;
7149 }
7150
7151 /* Get the marker handler from the marker ID */
7152 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
7153
7154 /* Manage case where marker is unknown */
7155 if (l_marker_handler->id == J2K_MS_UNK) {
7156 if (! opj_j2k_read_unk(p_j2k, p_stream, &l_current_marker, p_manager)){
7157 opj_event_msg(p_manager, EVT_ERROR, "Unknow marker have been detected and generated error.\n");
7158 return OPJ_FALSE;
7159 }
7160
7161 if (l_current_marker == J2K_MS_SOT)
7162 break; /* SOT marker is detected main header is completely read */
7163 else /* Get the marker handler from the marker ID */
7164 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
7165 }
7166
7167 if (l_marker_handler->id == J2K_MS_SIZ) {
7168 /* Mark required SIZ marker as found */
7169 l_has_siz = 1;
7170 }
7171 if (l_marker_handler->id == J2K_MS_COD) {
7172 /* Mark required COD marker as found */
7173 l_has_cod = 1;
7174 }
7175 if (l_marker_handler->id == J2K_MS_QCD) {
7176 /* Mark required QCD marker as found */
7177 l_has_qcd = 1;
7178 }
7179
7180 /* Check if the marker is known and if it is the right place to find it */
7181 if (! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) {
7182 opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
7183 return OPJ_FALSE;
7184 }
7185
7186 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
7187 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
7188 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7189 return OPJ_FALSE;
7190 }
7191
7192 /* read 2 bytes as the marker size */
7193 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2);
7194 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
7195
7196 /* Check if the marker size is compatible with the header data size */
7197 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
7198 OPJ_BYTE *new_header_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
7199 if (! new_header_data) {
7200 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
7201 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
7202 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
7203 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
7204 return OPJ_FALSE;
7205 }
7206 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
7207 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
7208 }
7209
7210 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
7211 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager) != l_marker_size) {
7212 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7213 return OPJ_FALSE;
7214 }
7215
7216 /* Read the marker segment with the correct marker handler */
7217 if (! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager)) {
7218 opj_event_msg(p_manager, EVT_ERROR, "Marker handler function failed to read the marker segment\n");
7219 return OPJ_FALSE;
7220 }
7221
7222 /* Add the marker to the codestream index*/
7223 if (OPJ_FALSE == opj_j2k_add_mhmarker(
7224 p_j2k->cstr_index,
7225 l_marker_handler->id,
7226 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
7227 l_marker_size + 4 )) {
7228 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
7229 return OPJ_FALSE;
7230 }
7231
7232 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
7233 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
7234 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7235 return OPJ_FALSE;
7236 }
7237
7238 /* read 2 bytes as the new marker ID */
7239 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
7240 }
7241
7242 if (l_has_siz == 0) {
7243 opj_event_msg(p_manager, EVT_ERROR, "required SIZ marker not found in main header\n");
7244 return OPJ_FALSE;
7245 }
7246 if (l_has_cod == 0) {
7247 opj_event_msg(p_manager, EVT_ERROR, "required COD marker not found in main header\n");
7248 return OPJ_FALSE;
7249 }
7250 if (l_has_qcd == 0) {
7251 opj_event_msg(p_manager, EVT_ERROR, "required QCD marker not found in main header\n");
7252 return OPJ_FALSE;
7253 }
7254
7255 if (! opj_j2k_merge_ppm(&(p_j2k->m_cp), p_manager)) {
7256 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPM data\n");
7257 return OPJ_FALSE;
7258 }
7259
7260 opj_event_msg(p_manager, EVT_INFO, "Main header has been correctly decoded.\n");
7261
7262 /* Position of the last element if the main header */
7263 p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2;
7264
7265 /* Next step: read a tile-part header */
7266 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
7267
7268 return OPJ_TRUE;
7269 }
7270
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)7271 static OPJ_BOOL opj_j2k_exec ( opj_j2k_t * p_j2k,
7272 opj_procedure_list_t * p_procedure_list,
7273 opj_stream_private_t *p_stream,
7274 opj_event_mgr_t * p_manager )
7275 {
7276 OPJ_BOOL (** l_procedure) (opj_j2k_t * ,opj_stream_private_t *,opj_event_mgr_t *) = 00;
7277 OPJ_BOOL l_result = OPJ_TRUE;
7278 OPJ_UINT32 l_nb_proc, i;
7279
7280 /* preconditions*/
7281 assert(p_procedure_list != 00);
7282 assert(p_j2k != 00);
7283 assert(p_stream != 00);
7284 assert(p_manager != 00);
7285
7286 l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
7287 l_procedure = (OPJ_BOOL (**) (opj_j2k_t * ,opj_stream_private_t *,opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
7288
7289 for (i=0;i<l_nb_proc;++i) {
7290 l_result = l_result && ((*l_procedure) (p_j2k,p_stream,p_manager));
7291 ++l_procedure;
7292 }
7293
7294 /* and clear the procedure list at the end.*/
7295 opj_procedure_list_clear(p_procedure_list);
7296 return l_result;
7297 }
7298
7299 /* 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)7300 static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd ( opj_j2k_t * p_j2k,
7301 opj_stream_private_t *p_stream,
7302 opj_event_mgr_t * p_manager
7303 )
7304 {
7305 opj_tcp_t * l_tcp = 00;
7306 opj_tcp_t * l_default_tcp = 00;
7307 OPJ_UINT32 l_nb_tiles;
7308 OPJ_UINT32 i,j;
7309 opj_tccp_t *l_current_tccp = 00;
7310 OPJ_UINT32 l_tccp_size;
7311 OPJ_UINT32 l_mct_size;
7312 opj_image_t * l_image;
7313 OPJ_UINT32 l_mcc_records_size,l_mct_records_size;
7314 opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
7315 opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
7316 OPJ_UINT32 l_offset;
7317
7318 /* preconditions */
7319 assert(p_j2k != 00);
7320 assert(p_stream != 00);
7321 assert(p_manager != 00);
7322
7323 l_image = p_j2k->m_private_image;
7324 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
7325 l_tcp = p_j2k->m_cp.tcps;
7326 l_tccp_size = l_image->numcomps * (OPJ_UINT32)sizeof(opj_tccp_t);
7327 l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
7328 l_mct_size = l_image->numcomps * l_image->numcomps * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
7329
7330 /* For each tile */
7331 for (i=0; i<l_nb_tiles; ++i) {
7332 /* keep the tile-compo coding parameters pointer of the current tile coding parameters*/
7333 l_current_tccp = l_tcp->tccps;
7334 /*Copy default coding parameters into the current tile coding parameters*/
7335 memcpy(l_tcp, l_default_tcp, sizeof(opj_tcp_t));
7336 /* Initialize some values of the current tile coding parameters*/
7337 l_tcp->cod = 0;
7338 l_tcp->ppt = 0;
7339 l_tcp->ppt_data = 00;
7340 /* Remove memory not owned by this tile in case of early error return. */
7341 l_tcp->m_mct_decoding_matrix = 00;
7342 l_tcp->m_nb_max_mct_records = 0;
7343 l_tcp->m_mct_records = 00;
7344 l_tcp->m_nb_max_mcc_records = 0;
7345 l_tcp->m_mcc_records = 00;
7346 /* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
7347 l_tcp->tccps = l_current_tccp;
7348
7349 /* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/
7350 if (l_default_tcp->m_mct_decoding_matrix) {
7351 l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
7352 if (! l_tcp->m_mct_decoding_matrix ) {
7353 return OPJ_FALSE;
7354 }
7355 memcpy(l_tcp->m_mct_decoding_matrix,l_default_tcp->m_mct_decoding_matrix,l_mct_size);
7356 }
7357
7358 /* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/
7359 l_mct_records_size = l_default_tcp->m_nb_max_mct_records * (OPJ_UINT32)sizeof(opj_mct_data_t);
7360 l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(l_mct_records_size);
7361 if (! l_tcp->m_mct_records) {
7362 return OPJ_FALSE;
7363 }
7364 memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records,l_mct_records_size);
7365
7366 /* Copy the mct record data from dflt_tile_cp to the current tile*/
7367 l_src_mct_rec = l_default_tcp->m_mct_records;
7368 l_dest_mct_rec = l_tcp->m_mct_records;
7369
7370 for (j=0;j<l_default_tcp->m_nb_mct_records;++j) {
7371
7372 if (l_src_mct_rec->m_data) {
7373
7374 l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(l_src_mct_rec->m_data_size);
7375 if(! l_dest_mct_rec->m_data) {
7376 return OPJ_FALSE;
7377 }
7378 memcpy(l_dest_mct_rec->m_data,l_src_mct_rec->m_data,l_src_mct_rec->m_data_size);
7379 }
7380
7381 ++l_src_mct_rec;
7382 ++l_dest_mct_rec;
7383 /* Update with each pass to free exactly what has been allocated on early return. */
7384 l_tcp->m_nb_max_mct_records += 1;
7385 }
7386
7387 /* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
7388 l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * (OPJ_UINT32)sizeof(opj_simple_mcc_decorrelation_data_t);
7389 l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(l_mcc_records_size);
7390 if (! l_tcp->m_mcc_records) {
7391 return OPJ_FALSE;
7392 }
7393 memcpy(l_tcp->m_mcc_records,l_default_tcp->m_mcc_records,l_mcc_records_size);
7394 l_tcp->m_nb_max_mcc_records = l_default_tcp->m_nb_max_mcc_records;
7395
7396 /* Copy the mcc record data from dflt_tile_cp to the current tile*/
7397 l_src_mcc_rec = l_default_tcp->m_mcc_records;
7398 l_dest_mcc_rec = l_tcp->m_mcc_records;
7399
7400 for (j=0;j<l_default_tcp->m_nb_max_mcc_records;++j) {
7401
7402 if (l_src_mcc_rec->m_decorrelation_array) {
7403 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_decorrelation_array - l_default_tcp->m_mct_records);
7404 l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
7405 }
7406
7407 if (l_src_mcc_rec->m_offset_array) {
7408 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_offset_array - l_default_tcp->m_mct_records);
7409 l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
7410 }
7411
7412 ++l_src_mcc_rec;
7413 ++l_dest_mcc_rec;
7414 }
7415
7416 /* Copy all the dflt_tile_compo_cp to the current tile cp */
7417 memcpy(l_current_tccp,l_default_tcp->tccps,l_tccp_size);
7418
7419 /* Move to next tile cp*/
7420 ++l_tcp;
7421 }
7422
7423 /* Create the current tile decoder*/
7424 p_j2k->m_tcd = (opj_tcd_t*)opj_tcd_create(OPJ_TRUE); /* FIXME why a cast ? */
7425 if (! p_j2k->m_tcd ) {
7426 return OPJ_FALSE;
7427 }
7428
7429 if ( !opj_tcd_init(p_j2k->m_tcd, l_image, &(p_j2k->m_cp)) ) {
7430 opj_tcd_destroy(p_j2k->m_tcd);
7431 p_j2k->m_tcd = 00;
7432 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
7433 return OPJ_FALSE;
7434 }
7435
7436 return OPJ_TRUE;
7437 }
7438
opj_j2k_get_marker_handler(OPJ_UINT32 p_id)7439 static const opj_dec_memory_marker_handler_t * opj_j2k_get_marker_handler (OPJ_UINT32 p_id)
7440 {
7441 const opj_dec_memory_marker_handler_t *e;
7442 for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) {
7443 if (e->id == p_id) {
7444 break; /* we find a handler corresponding to the marker ID*/
7445 }
7446 }
7447 return e;
7448 }
7449
opj_j2k_destroy(opj_j2k_t * p_j2k)7450 void opj_j2k_destroy (opj_j2k_t *p_j2k)
7451 {
7452 if (p_j2k == 00) {
7453 return;
7454 }
7455
7456 if (p_j2k->m_is_decoder) {
7457
7458 if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) {
7459 opj_j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp);
7460 opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp);
7461 p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
7462 }
7463
7464 if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) {
7465 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
7466 p_j2k->m_specific_param.m_decoder.m_header_data = 00;
7467 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
7468 }
7469 }
7470 else {
7471
7472 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
7473 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
7474 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
7475 }
7476
7477 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
7478 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
7479 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
7480 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
7481 }
7482
7483 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
7484 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
7485 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
7486 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
7487 }
7488 }
7489
7490 opj_tcd_destroy(p_j2k->m_tcd);
7491
7492 opj_j2k_cp_destroy(&(p_j2k->m_cp));
7493 memset(&(p_j2k->m_cp),0,sizeof(opj_cp_t));
7494
7495 opj_procedure_list_destroy(p_j2k->m_procedure_list);
7496 p_j2k->m_procedure_list = 00;
7497
7498 opj_procedure_list_destroy(p_j2k->m_validation_list);
7499 p_j2k->m_procedure_list = 00;
7500
7501 j2k_destroy_cstr_index(p_j2k->cstr_index);
7502 p_j2k->cstr_index = NULL;
7503
7504 opj_image_destroy(p_j2k->m_private_image);
7505 p_j2k->m_private_image = NULL;
7506
7507 opj_image_destroy(p_j2k->m_output_image);
7508 p_j2k->m_output_image = NULL;
7509
7510 opj_free(p_j2k);
7511 }
7512
j2k_destroy_cstr_index(opj_codestream_index_t * p_cstr_ind)7513 void j2k_destroy_cstr_index (opj_codestream_index_t *p_cstr_ind)
7514 {
7515 if (p_cstr_ind) {
7516
7517 if (p_cstr_ind->marker) {
7518 opj_free(p_cstr_ind->marker);
7519 p_cstr_ind->marker = NULL;
7520 }
7521
7522 if (p_cstr_ind->tile_index) {
7523 OPJ_UINT32 it_tile = 0;
7524
7525 for (it_tile=0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) {
7526
7527 if(p_cstr_ind->tile_index[it_tile].packet_index) {
7528 opj_free(p_cstr_ind->tile_index[it_tile].packet_index);
7529 p_cstr_ind->tile_index[it_tile].packet_index = NULL;
7530 }
7531
7532 if(p_cstr_ind->tile_index[it_tile].tp_index){
7533 opj_free(p_cstr_ind->tile_index[it_tile].tp_index);
7534 p_cstr_ind->tile_index[it_tile].tp_index = NULL;
7535 }
7536
7537 if(p_cstr_ind->tile_index[it_tile].marker){
7538 opj_free(p_cstr_ind->tile_index[it_tile].marker);
7539 p_cstr_ind->tile_index[it_tile].marker = NULL;
7540
7541 }
7542 }
7543
7544 opj_free( p_cstr_ind->tile_index);
7545 p_cstr_ind->tile_index = NULL;
7546 }
7547
7548 opj_free(p_cstr_ind);
7549 }
7550 }
7551
opj_j2k_tcp_destroy(opj_tcp_t * p_tcp)7552 static void opj_j2k_tcp_destroy (opj_tcp_t *p_tcp)
7553 {
7554 if (p_tcp == 00) {
7555 return;
7556 }
7557
7558 if (p_tcp->ppt_markers != 00) {
7559 OPJ_UINT32 i;
7560 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
7561 if (p_tcp->ppt_markers[i].m_data != NULL) {
7562 opj_free(p_tcp->ppt_markers[i].m_data);
7563 }
7564 }
7565 p_tcp->ppt_markers_count = 0U;
7566 opj_free(p_tcp->ppt_markers);
7567 p_tcp->ppt_markers = NULL;
7568 }
7569
7570 if (p_tcp->ppt_buffer != 00) {
7571 opj_free(p_tcp->ppt_buffer);
7572 p_tcp->ppt_buffer = 00;
7573 }
7574
7575 if (p_tcp->tccps != 00) {
7576 opj_free(p_tcp->tccps);
7577 p_tcp->tccps = 00;
7578 }
7579
7580 if (p_tcp->m_mct_coding_matrix != 00) {
7581 opj_free(p_tcp->m_mct_coding_matrix);
7582 p_tcp->m_mct_coding_matrix = 00;
7583 }
7584
7585 if (p_tcp->m_mct_decoding_matrix != 00) {
7586 opj_free(p_tcp->m_mct_decoding_matrix);
7587 p_tcp->m_mct_decoding_matrix = 00;
7588 }
7589
7590 if (p_tcp->m_mcc_records) {
7591 opj_free(p_tcp->m_mcc_records);
7592 p_tcp->m_mcc_records = 00;
7593 p_tcp->m_nb_max_mcc_records = 0;
7594 p_tcp->m_nb_mcc_records = 0;
7595 }
7596
7597 if (p_tcp->m_mct_records) {
7598 opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
7599 OPJ_UINT32 i;
7600
7601 for (i=0;i<p_tcp->m_nb_mct_records;++i) {
7602 if (l_mct_data->m_data) {
7603 opj_free(l_mct_data->m_data);
7604 l_mct_data->m_data = 00;
7605 }
7606
7607 ++l_mct_data;
7608 }
7609
7610 opj_free(p_tcp->m_mct_records);
7611 p_tcp->m_mct_records = 00;
7612 }
7613
7614 if (p_tcp->mct_norms != 00) {
7615 opj_free(p_tcp->mct_norms);
7616 p_tcp->mct_norms = 00;
7617 }
7618
7619 opj_j2k_tcp_data_destroy(p_tcp);
7620
7621 }
7622
opj_j2k_tcp_data_destroy(opj_tcp_t * p_tcp)7623 static void opj_j2k_tcp_data_destroy (opj_tcp_t *p_tcp)
7624 {
7625 if (p_tcp->m_data) {
7626 opj_free(p_tcp->m_data);
7627 p_tcp->m_data = NULL;
7628 p_tcp->m_data_size = 0;
7629 }
7630 }
7631
opj_j2k_cp_destroy(opj_cp_t * p_cp)7632 static void opj_j2k_cp_destroy (opj_cp_t *p_cp)
7633 {
7634 OPJ_UINT32 l_nb_tiles;
7635 opj_tcp_t * l_current_tile = 00;
7636
7637 if (p_cp == 00)
7638 {
7639 return;
7640 }
7641 if (p_cp->tcps != 00)
7642 {
7643 OPJ_UINT32 i;
7644 l_current_tile = p_cp->tcps;
7645 l_nb_tiles = p_cp->th * p_cp->tw;
7646
7647 for (i = 0U; i < l_nb_tiles; ++i)
7648 {
7649 opj_j2k_tcp_destroy(l_current_tile);
7650 ++l_current_tile;
7651 }
7652 opj_free(p_cp->tcps);
7653 p_cp->tcps = 00;
7654 }
7655 if (p_cp->ppm_markers != 00) {
7656 OPJ_UINT32 i;
7657 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
7658 if (p_cp->ppm_markers[i].m_data != NULL) {
7659 opj_free(p_cp->ppm_markers[i].m_data);
7660 }
7661 }
7662 p_cp->ppm_markers_count = 0U;
7663 opj_free(p_cp->ppm_markers);
7664 p_cp->ppm_markers = NULL;
7665 }
7666 opj_free(p_cp->ppm_buffer);
7667 p_cp->ppm_buffer = 00;
7668 p_cp->ppm_data = NULL; /* ppm_data belongs to the allocated buffer pointed by ppm_buffer */
7669 opj_free(p_cp->comment);
7670 p_cp->comment = 00;
7671 if (! p_cp->m_is_decoder)
7672 {
7673 opj_free(p_cp->m_specific_param.m_enc.m_matrice);
7674 p_cp->m_specific_param.m_enc.m_matrice = 00;
7675 }
7676 }
7677
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)7678 static OPJ_BOOL 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 )
7679 {
7680 OPJ_BYTE l_header_data[10];
7681 OPJ_OFF_T l_stream_pos_backup;
7682 OPJ_UINT32 l_current_marker;
7683 OPJ_UINT32 l_marker_size;
7684 OPJ_UINT32 l_tile_no, l_tot_len, l_current_part, l_num_parts;
7685
7686 /* initialize to no correction needed */
7687 *p_correction_needed = OPJ_FALSE;
7688
7689 l_stream_pos_backup = opj_stream_tell(p_stream);
7690 if (l_stream_pos_backup == -1) {
7691 /* let's do nothing */
7692 return OPJ_TRUE;
7693 }
7694
7695 for (;;) {
7696 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
7697 if (opj_stream_read_data(p_stream,l_header_data, 2, p_manager) != 2) {
7698 /* assume all is OK */
7699 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
7700 return OPJ_FALSE;
7701 }
7702 return OPJ_TRUE;
7703 }
7704
7705 /* Read 2 bytes from buffer as the new marker ID */
7706 opj_read_bytes(l_header_data, &l_current_marker, 2);
7707
7708 if (l_current_marker != J2K_MS_SOT) {
7709 /* assume all is OK */
7710 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
7711 return OPJ_FALSE;
7712 }
7713 return OPJ_TRUE;
7714 }
7715
7716 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
7717 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
7718 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7719 return OPJ_FALSE;
7720 }
7721
7722 /* Read 2 bytes from the buffer as the marker size */
7723 opj_read_bytes(l_header_data, &l_marker_size, 2);
7724
7725 /* Check marker size for SOT Marker */
7726 if (l_marker_size != 10) {
7727 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
7728 return OPJ_FALSE;
7729 }
7730 l_marker_size -= 2;
7731
7732 if (opj_stream_read_data(p_stream, l_header_data, l_marker_size, p_manager) != l_marker_size) {
7733 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7734 return OPJ_FALSE;
7735 }
7736
7737 if (! opj_j2k_get_sot_values(l_header_data, l_marker_size, &l_tile_no, &l_tot_len, &l_current_part, &l_num_parts, p_manager)) {
7738 return OPJ_FALSE;
7739 }
7740
7741 if (l_tile_no == tile_no) {
7742 /* we found what we were looking for */
7743 break;
7744 }
7745
7746 if ((l_tot_len == 0U) || (l_tot_len < 14U)) {
7747 /* last SOT until EOC or invalid Psot value */
7748 /* assume all is OK */
7749 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
7750 return OPJ_FALSE;
7751 }
7752 return OPJ_TRUE;
7753 }
7754 l_tot_len -= 12U;
7755 /* look for next SOT marker */
7756 if (opj_stream_skip(p_stream, (OPJ_OFF_T)(l_tot_len), p_manager) != (OPJ_OFF_T)(l_tot_len)) {
7757 /* assume all is OK */
7758 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
7759 return OPJ_FALSE;
7760 }
7761 return OPJ_TRUE;
7762 }
7763 }
7764
7765 /* check for correction */
7766 if (l_current_part == l_num_parts) {
7767 *p_correction_needed = OPJ_TRUE;
7768 }
7769
7770 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
7771 return OPJ_FALSE;
7772 }
7773 return OPJ_TRUE;
7774 }
7775
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)7776 OPJ_BOOL opj_j2k_read_tile_header( opj_j2k_t * p_j2k,
7777 OPJ_UINT32 * p_tile_index,
7778 OPJ_UINT32 * p_data_size,
7779 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
7780 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
7781 OPJ_UINT32 * p_nb_comps,
7782 OPJ_BOOL * p_go_on,
7783 opj_stream_private_t *p_stream,
7784 opj_event_mgr_t * p_manager )
7785 {
7786 OPJ_UINT32 l_current_marker = J2K_MS_SOT;
7787 OPJ_UINT32 l_marker_size;
7788 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
7789 opj_tcp_t * l_tcp = NULL;
7790
7791 /* preconditions */
7792 assert(p_stream != 00);
7793 assert(p_j2k != 00);
7794 assert(p_manager != 00);
7795
7796 /* Reach the End Of Codestream ?*/
7797 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC){
7798 l_current_marker = J2K_MS_EOC;
7799 }
7800 /* We need to encounter a SOT marker (a new tile-part header) */
7801 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT){
7802 return OPJ_FALSE;
7803 }
7804
7805 /* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */
7806 while ( (!p_j2k->m_specific_param.m_decoder.m_can_decode) && (l_current_marker != J2K_MS_EOC) ) {
7807
7808 /* Try to read until the Start Of Data is detected */
7809 while (l_current_marker != J2K_MS_SOD) {
7810
7811 if(opj_stream_get_number_byte_left(p_stream) == 0)
7812 {
7813 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
7814 break;
7815 }
7816
7817 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
7818 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
7819 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7820 return OPJ_FALSE;
7821 }
7822
7823 /* Read 2 bytes from the buffer as the marker size */
7824 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_marker_size,2);
7825
7826 /* Check marker size (does not include marker ID but includes marker size) */
7827 if (l_marker_size < 2) {
7828 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
7829 return OPJ_FALSE;
7830 }
7831
7832 /* cf. https://code.google.com/p/openjpeg/issues/detail?id=226 */
7833 if (l_current_marker == 0x8080 && opj_stream_get_number_byte_left(p_stream) == 0) {
7834 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
7835 break;
7836 }
7837
7838 /* Why this condition? FIXME */
7839 if (p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH){
7840 p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
7841 }
7842 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
7843
7844 /* Get the marker handler from the marker ID */
7845 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
7846
7847 /* Check if the marker is known and if it is the right place to find it */
7848 if (! (p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states) ) {
7849 opj_event_msg(p_manager, EVT_ERROR, "Marker is not compliant with its position\n");
7850 return OPJ_FALSE;
7851 }
7852 /* FIXME manage case of unknown marker as in the main header ? */
7853
7854 /* Check if the marker size is compatible with the header data size */
7855 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
7856 OPJ_BYTE *new_header_data = NULL;
7857 /* If we are here, this means we consider this marker as known & we will read it */
7858 /* Check enough bytes left in stream before allocation */
7859 if ((OPJ_OFF_T)l_marker_size > opj_stream_get_number_byte_left(p_stream)) {
7860 opj_event_msg(p_manager, EVT_ERROR, "Marker size inconsistent with stream length\n");
7861 return OPJ_FALSE;
7862 }
7863 new_header_data = (OPJ_BYTE *) opj_realloc(p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
7864 if (! new_header_data) {
7865 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
7866 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
7867 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
7868 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
7869 return OPJ_FALSE;
7870 }
7871 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
7872 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
7873 }
7874
7875 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
7876 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager) != l_marker_size) {
7877 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7878 return OPJ_FALSE;
7879 }
7880
7881 if (!l_marker_handler->handler) {
7882 /* See issue #175 */
7883 opj_event_msg(p_manager, EVT_ERROR, "Not sure how that happened.\n");
7884 return OPJ_FALSE;
7885 }
7886 /* Read the marker segment with the correct marker handler */
7887 if (! (*(l_marker_handler->handler))(p_j2k,p_j2k->m_specific_param.m_decoder.m_header_data,l_marker_size,p_manager)) {
7888 opj_event_msg(p_manager, EVT_ERROR, "Fail to read the current marker segment (%#x)\n", l_current_marker);
7889 return OPJ_FALSE;
7890 }
7891
7892 /* Add the marker to the codestream index*/
7893 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
7894 p_j2k->cstr_index,
7895 l_marker_handler->id,
7896 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
7897 l_marker_size + 4 )) {
7898 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
7899 return OPJ_FALSE;
7900 }
7901
7902 /* Keep the position of the last SOT marker read */
7903 if ( l_marker_handler->id == J2K_MS_SOT ) {
7904 OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4 ;
7905 if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos)
7906 {
7907 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos;
7908 }
7909 }
7910
7911 if (p_j2k->m_specific_param.m_decoder.m_skip_data) {
7912 /* Skip the rest of the tile part header*/
7913 if (opj_stream_skip(p_stream,p_j2k->m_specific_param.m_decoder.m_sot_length,p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) {
7914 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7915 return OPJ_FALSE;
7916 }
7917 l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */
7918 }
7919 else {
7920 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
7921 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
7922 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7923 return OPJ_FALSE;
7924 }
7925 /* Read 2 bytes from the buffer as the new marker ID */
7926 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
7927 }
7928 }
7929 if(opj_stream_get_number_byte_left(p_stream) == 0
7930 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC)
7931 break;
7932
7933 /* If we didn't skip data before, we need to read the SOD marker*/
7934 if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
7935 /* Try to read the SOD marker and skip data ? FIXME */
7936 if (! opj_j2k_read_sod(p_j2k, p_stream, p_manager)) {
7937 return OPJ_FALSE;
7938 }
7939 if (p_j2k->m_specific_param.m_decoder.m_can_decode && !p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked) {
7940 /* Issue 254 */
7941 OPJ_BOOL l_correction_needed;
7942
7943 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
7944 if(!opj_j2k_need_nb_tile_parts_correction(p_stream, p_j2k->m_current_tile_number, &l_correction_needed, p_manager)) {
7945 opj_event_msg(p_manager, EVT_ERROR, "opj_j2k_apply_nb_tile_parts_correction error\n");
7946 return OPJ_FALSE;
7947 }
7948 if (l_correction_needed) {
7949 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
7950 OPJ_UINT32 l_tile_no;
7951
7952 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
7953 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction = 1;
7954 /* correct tiles */
7955 for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
7956 if (p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts != 0U) {
7957 p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts+=1;
7958 }
7959 }
7960 opj_event_msg(p_manager, EVT_WARNING, "Non conformant codestream TPsot==TNsot.\n");
7961 }
7962 }
7963 if (! p_j2k->m_specific_param.m_decoder.m_can_decode){
7964 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
7965 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
7966 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7967 return OPJ_FALSE;
7968 }
7969
7970 /* Read 2 bytes from buffer as the new marker ID */
7971 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
7972 }
7973 }
7974 else {
7975 /* Indicate we will try to read a new tile-part header*/
7976 p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
7977 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
7978 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
7979
7980 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
7981 if (opj_stream_read_data(p_stream,p_j2k->m_specific_param.m_decoder.m_header_data,2,p_manager) != 2) {
7982 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7983 return OPJ_FALSE;
7984 }
7985
7986 /* Read 2 bytes from buffer as the new marker ID */
7987 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,&l_current_marker,2);
7988 }
7989 }
7990
7991 /* Current marker is the EOC marker ?*/
7992 if (l_current_marker == J2K_MS_EOC) {
7993 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC ){
7994 p_j2k->m_current_tile_number = 0;
7995 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
7996 }
7997 }
7998
7999 /* FIXME DOC ???*/
8000 if ( ! p_j2k->m_specific_param.m_decoder.m_can_decode) {
8001 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
8002 l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
8003
8004 while( (p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00) ) {
8005 ++p_j2k->m_current_tile_number;
8006 ++l_tcp;
8007 }
8008
8009 if (p_j2k->m_current_tile_number == l_nb_tiles) {
8010 *p_go_on = OPJ_FALSE;
8011 return OPJ_TRUE;
8012 }
8013 }
8014
8015 if (! opj_j2k_merge_ppt(p_j2k->m_cp.tcps + p_j2k->m_current_tile_number, p_manager)) {
8016 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPT data\n");
8017 return OPJ_FALSE;
8018 }
8019 /*FIXME ???*/
8020 if (! opj_tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number, p_manager)) {
8021 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
8022 return OPJ_FALSE;
8023 }
8024
8025 opj_event_msg(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
8026 p_j2k->m_current_tile_number+1, (p_j2k->m_cp.th * p_j2k->m_cp.tw));
8027
8028 *p_tile_index = p_j2k->m_current_tile_number;
8029 *p_go_on = OPJ_TRUE;
8030 *p_data_size = opj_tcd_get_decoded_tile_size(p_j2k->m_tcd);
8031 *p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
8032 *p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
8033 *p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
8034 *p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
8035 *p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
8036
8037 p_j2k->m_specific_param.m_decoder.m_state |= 0x0080;/* FIXME J2K_DEC_STATE_DATA;*/
8038
8039 return OPJ_TRUE;
8040 }
8041
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)8042 OPJ_BOOL opj_j2k_decode_tile ( opj_j2k_t * p_j2k,
8043 OPJ_UINT32 p_tile_index,
8044 OPJ_BYTE * p_data,
8045 OPJ_UINT32 p_data_size,
8046 opj_stream_private_t *p_stream,
8047 opj_event_mgr_t * p_manager )
8048 {
8049 OPJ_UINT32 l_current_marker;
8050 OPJ_BYTE l_data [2];
8051 opj_tcp_t * l_tcp;
8052
8053 /* preconditions */
8054 assert(p_stream != 00);
8055 assert(p_j2k != 00);
8056 assert(p_manager != 00);
8057
8058 if ( !(p_j2k->m_specific_param.m_decoder.m_state & 0x0080/*FIXME J2K_DEC_STATE_DATA*/)
8059 || (p_tile_index != p_j2k->m_current_tile_number) ) {
8060 return OPJ_FALSE;
8061 }
8062
8063 l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
8064 if (! l_tcp->m_data) {
8065 opj_j2k_tcp_destroy(l_tcp);
8066 return OPJ_FALSE;
8067 }
8068
8069 if (! opj_tcd_decode_tile( p_j2k->m_tcd,
8070 l_tcp->m_data,
8071 l_tcp->m_data_size,
8072 p_tile_index,
8073 p_j2k->cstr_index, p_manager) ) {
8074 opj_j2k_tcp_destroy(l_tcp);
8075 p_j2k->m_specific_param.m_decoder.m_state |= 0x8000;/*FIXME J2K_DEC_STATE_ERR;*/
8076 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode.\n");
8077 return OPJ_FALSE;
8078 }
8079
8080 if (! opj_tcd_update_tile_data(p_j2k->m_tcd,p_data,p_data_size)) {
8081 return OPJ_FALSE;
8082 }
8083
8084 /* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access)
8085 * we destroy just the data which will be re-read in read_tile_header*/
8086 /*opj_j2k_tcp_destroy(l_tcp);
8087 p_j2k->m_tcd->tcp = 0;*/
8088 opj_j2k_tcp_data_destroy(l_tcp);
8089
8090 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
8091 p_j2k->m_specific_param.m_decoder.m_state &= (~ (0x0080u));/* FIXME J2K_DEC_STATE_DATA);*/
8092
8093 if(opj_stream_get_number_byte_left(p_stream) == 0
8094 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC){
8095 return OPJ_TRUE;
8096 }
8097
8098 if (p_j2k->m_specific_param.m_decoder.m_state != 0x0100){ /*FIXME J2K_DEC_STATE_EOC)*/
8099 if (opj_stream_read_data(p_stream,l_data,2,p_manager) != 2) {
8100 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8101 return OPJ_FALSE;
8102 }
8103
8104 opj_read_bytes(l_data,&l_current_marker,2);
8105
8106 if (l_current_marker == J2K_MS_EOC) {
8107 p_j2k->m_current_tile_number = 0;
8108 p_j2k->m_specific_param.m_decoder.m_state = 0x0100;/*FIXME J2K_DEC_STATE_EOC;*/
8109 }
8110 else if (l_current_marker != J2K_MS_SOT)
8111 {
8112 if(opj_stream_get_number_byte_left(p_stream) == 0) {
8113 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
8114 opj_event_msg(p_manager, EVT_WARNING, "Stream does not end with EOC\n");
8115 return OPJ_TRUE;
8116 }
8117 opj_event_msg(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
8118 return OPJ_FALSE;
8119 }
8120 }
8121
8122 return OPJ_TRUE;
8123 }
8124
opj_j2k_update_image_data(opj_tcd_t * p_tcd,OPJ_BYTE * p_data,opj_image_t * p_output_image)8125 static OPJ_BOOL opj_j2k_update_image_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data, opj_image_t* p_output_image)
8126 {
8127 OPJ_UINT32 i,j,k = 0;
8128 OPJ_UINT32 l_width_src,l_height_src;
8129 OPJ_UINT32 l_width_dest,l_height_dest;
8130 OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src;
8131 OPJ_SIZE_T l_start_offset_src, l_line_offset_src, l_end_offset_src ;
8132 OPJ_UINT32 l_start_x_dest , l_start_y_dest;
8133 OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest;
8134 OPJ_SIZE_T l_start_offset_dest, l_line_offset_dest;
8135
8136 opj_image_comp_t * l_img_comp_src = 00;
8137 opj_image_comp_t * l_img_comp_dest = 00;
8138
8139 opj_tcd_tilecomp_t * l_tilec = 00;
8140 opj_image_t * l_image_src = 00;
8141 OPJ_UINT32 l_size_comp, l_remaining;
8142 OPJ_INT32 * l_dest_ptr;
8143 opj_tcd_resolution_t* l_res= 00;
8144
8145 l_tilec = p_tcd->tcd_image->tiles->comps;
8146 l_image_src = p_tcd->image;
8147 l_img_comp_src = l_image_src->comps;
8148
8149 l_img_comp_dest = p_output_image->comps;
8150
8151 for (i=0; i<l_image_src->numcomps; i++) {
8152
8153 /* Allocate output component buffer if necessary */
8154 if (!l_img_comp_dest->data) {
8155 OPJ_UINT32 width = l_img_comp_dest->w;
8156 OPJ_UINT32 height = l_img_comp_dest->h;
8157 const OPJ_UINT32 MAX_SIZE = UINT32_MAX / sizeof(OPJ_INT32);
8158 if (height == 0 || width > MAX_SIZE / height) {
8159 return OPJ_FALSE;
8160 }
8161 l_img_comp_dest->data = (OPJ_INT32*)opj_calloc(width * height, sizeof(OPJ_INT32));
8162 if (!l_img_comp_dest->data) {
8163 return OPJ_FALSE;
8164 }
8165 }
8166
8167 /* Copy info from decoded comp image to output image */
8168 l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded;
8169
8170 /*-----*/
8171 /* Compute the precision of the output buffer */
8172 l_size_comp = l_img_comp_src->prec >> 3; /*(/ 8)*/
8173 l_remaining = l_img_comp_src->prec & 7; /* (%8) */
8174 l_res = l_tilec->resolutions + l_img_comp_src->resno_decoded;
8175
8176 if (l_remaining) {
8177 ++l_size_comp;
8178 }
8179
8180 if (l_size_comp == 3) {
8181 l_size_comp = 4;
8182 }
8183 /*-----*/
8184
8185 /* Current tile component size*/
8186 /*if (i == 0) {
8187 fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n",
8188 l_res->x0, l_res->x1, l_res->y0, l_res->y1);
8189 }*/
8190
8191 l_width_src = (OPJ_UINT32)(l_res->x1 - l_res->x0);
8192 l_height_src = (OPJ_UINT32)(l_res->y1 - l_res->y0);
8193
8194 /* Border of the current output component*/
8195 l_x0_dest = opj_uint_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
8196 l_y0_dest = opj_uint_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
8197 l_x1_dest = l_x0_dest + l_img_comp_dest->w; /* can't overflow given that image->x1 is uint32 */
8198 l_y1_dest = l_y0_dest + l_img_comp_dest->h;
8199
8200 /*if (i == 0) {
8201 fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n",
8202 l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor );
8203 }*/
8204
8205 /*-----*/
8206 /* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src)
8207 * of the input buffer (decoded tile component) which will be move
8208 * in the output buffer. Compute the area of the output buffer (l_start_x_dest,
8209 * l_start_y_dest, l_width_dest, l_height_dest) which will be modified
8210 * by this input area.
8211 * */
8212 assert( l_res->x0 >= 0);
8213 assert( l_res->x1 >= 0);
8214 if ( l_x0_dest < (OPJ_UINT32)l_res->x0 ) {
8215 l_start_x_dest = (OPJ_UINT32)l_res->x0 - l_x0_dest;
8216 l_offset_x0_src = 0;
8217
8218 if ( l_x1_dest >= (OPJ_UINT32)l_res->x1 ) {
8219 l_width_dest = l_width_src;
8220 l_offset_x1_src = 0;
8221 }
8222 else {
8223 l_width_dest = l_x1_dest - (OPJ_UINT32)l_res->x0 ;
8224 l_offset_x1_src = (OPJ_INT32)(l_width_src - l_width_dest);
8225 }
8226 }
8227 else {
8228 l_start_x_dest = 0U;
8229 l_offset_x0_src = (OPJ_INT32)l_x0_dest - l_res->x0;
8230
8231 if ( l_x1_dest >= (OPJ_UINT32)l_res->x1 ) {
8232 l_width_dest = l_width_src - (OPJ_UINT32)l_offset_x0_src;
8233 l_offset_x1_src = 0;
8234 }
8235 else {
8236 l_width_dest = l_img_comp_dest->w ;
8237 l_offset_x1_src = l_res->x1 - (OPJ_INT32)l_x1_dest;
8238 }
8239 }
8240
8241 if ( l_y0_dest < (OPJ_UINT32)l_res->y0 ) {
8242 l_start_y_dest = (OPJ_UINT32)l_res->y0 - l_y0_dest;
8243 l_offset_y0_src = 0;
8244
8245 if ( l_y1_dest >= (OPJ_UINT32)l_res->y1 ) {
8246 l_height_dest = l_height_src;
8247 l_offset_y1_src = 0;
8248 }
8249 else {
8250 l_height_dest = l_y1_dest - (OPJ_UINT32)l_res->y0 ;
8251 l_offset_y1_src = (OPJ_INT32)(l_height_src - l_height_dest);
8252 }
8253 }
8254 else {
8255 l_start_y_dest = 0U;
8256 l_offset_y0_src = (OPJ_INT32)l_y0_dest - l_res->y0;
8257
8258 if ( l_y1_dest >= (OPJ_UINT32)l_res->y1 ) {
8259 l_height_dest = l_height_src - (OPJ_UINT32)l_offset_y0_src;
8260 l_offset_y1_src = 0;
8261 }
8262 else {
8263 l_height_dest = l_img_comp_dest->h ;
8264 l_offset_y1_src = l_res->y1 - (OPJ_INT32)l_y1_dest;
8265 }
8266 }
8267
8268 if( (l_offset_x0_src < 0 ) || (l_offset_y0_src < 0 ) || (l_offset_x1_src < 0 ) || (l_offset_y1_src < 0 ) ){
8269 return OPJ_FALSE;
8270 }
8271 /* testcase 2977.pdf.asan.67.2198 */
8272 if ((OPJ_INT32)l_width_dest < 0 || (OPJ_INT32)l_height_dest < 0) {
8273 return OPJ_FALSE;
8274 }
8275 /*-----*/
8276
8277 /* Compute the input buffer offset */
8278 l_start_offset_src = (OPJ_SIZE_T)l_offset_x0_src + (OPJ_SIZE_T)l_offset_y0_src * (OPJ_SIZE_T)l_width_src;
8279 l_line_offset_src = (OPJ_SIZE_T)l_offset_x1_src + (OPJ_SIZE_T)l_offset_x0_src;
8280 l_end_offset_src = (OPJ_SIZE_T)l_offset_y1_src * (OPJ_SIZE_T)l_width_src - (OPJ_SIZE_T)l_offset_x0_src;
8281
8282 /* Compute the output buffer offset */
8283 l_start_offset_dest = (OPJ_SIZE_T)l_start_x_dest + (OPJ_SIZE_T)l_start_y_dest * (OPJ_SIZE_T)l_img_comp_dest->w;
8284 l_line_offset_dest = (OPJ_SIZE_T)l_img_comp_dest->w - (OPJ_SIZE_T)l_width_dest;
8285
8286 /* Move the output buffer to the first place where we will write*/
8287 l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest;
8288
8289 /*if (i == 0) {
8290 fprintf(stdout, "COMPO[%d]:\n",i);
8291 fprintf(stdout, "SRC: l_start_x_src=%d, l_start_y_src=%d, l_width_src=%d, l_height_src=%d\n"
8292 "\t tile offset:%d, %d, %d, %d\n"
8293 "\t buffer offset: %d; %d, %d\n",
8294 l_res->x0, l_res->y0, l_width_src, l_height_src,
8295 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src,
8296 l_start_offset_src, l_line_offset_src, l_end_offset_src);
8297
8298 fprintf(stdout, "DEST: l_start_x_dest=%d, l_start_y_dest=%d, l_width_dest=%d, l_height_dest=%d\n"
8299 "\t start offset: %d, line offset= %d\n",
8300 l_start_x_dest, l_start_y_dest, l_width_dest, l_height_dest, l_start_offset_dest, l_line_offset_dest);
8301 }*/
8302
8303 switch (l_size_comp) {
8304 case 1:
8305 {
8306 OPJ_CHAR * l_src_ptr = (OPJ_CHAR*) p_data;
8307 l_src_ptr += l_start_offset_src; /* Move to the first place where we will read*/
8308
8309 if (l_img_comp_src->sgnd) {
8310 for (j = 0 ; j < l_height_dest ; ++j) {
8311 for ( k = 0 ; k < l_width_dest ; ++k) {
8312 *(l_dest_ptr++) = (OPJ_INT32) (*(l_src_ptr++)); /* Copy only the data needed for the output image */
8313 }
8314
8315 l_dest_ptr+= l_line_offset_dest; /* Move to the next place where we will write */
8316 l_src_ptr += l_line_offset_src ; /* Move to the next place where we will read */
8317 }
8318 }
8319 else {
8320 for ( j = 0 ; j < l_height_dest ; ++j ) {
8321 for ( k = 0 ; k < l_width_dest ; ++k) {
8322 *(l_dest_ptr++) = (OPJ_INT32) ((*(l_src_ptr++))&0xff);
8323 }
8324
8325 l_dest_ptr+= l_line_offset_dest;
8326 l_src_ptr += l_line_offset_src;
8327 }
8328 }
8329
8330 l_src_ptr += l_end_offset_src; /* Move to the end of this component-part of the input buffer */
8331 p_data = (OPJ_BYTE*) l_src_ptr; /* Keep the current position for the next component-part */
8332 }
8333 break;
8334 case 2:
8335 {
8336 OPJ_INT16 * l_src_ptr = (OPJ_INT16 *) p_data;
8337 l_src_ptr += l_start_offset_src;
8338
8339 if (l_img_comp_src->sgnd) {
8340 for (j=0;j<l_height_dest;++j) {
8341 for (k=0;k<l_width_dest;++k) {
8342 *(l_dest_ptr++) = *(l_src_ptr++);
8343 }
8344
8345 l_dest_ptr+= l_line_offset_dest;
8346 l_src_ptr += l_line_offset_src ;
8347 }
8348 }
8349 else {
8350 for (j=0;j<l_height_dest;++j) {
8351 for (k=0;k<l_width_dest;++k) {
8352 *(l_dest_ptr++) = (*(l_src_ptr++))&0xffff;
8353 }
8354
8355 l_dest_ptr+= l_line_offset_dest;
8356 l_src_ptr += l_line_offset_src ;
8357 }
8358 }
8359
8360 l_src_ptr += l_end_offset_src;
8361 p_data = (OPJ_BYTE*) l_src_ptr;
8362 }
8363 break;
8364 case 4:
8365 {
8366 OPJ_INT32 * l_src_ptr = (OPJ_INT32 *) p_data;
8367 l_src_ptr += l_start_offset_src;
8368
8369 for (j=0;j<l_height_dest;++j) {
8370 for (k=0;k<l_width_dest;++k) {
8371 *(l_dest_ptr++) = (*(l_src_ptr++));
8372 }
8373
8374 l_dest_ptr+= l_line_offset_dest;
8375 l_src_ptr += l_line_offset_src ;
8376 }
8377
8378 l_src_ptr += l_end_offset_src;
8379 p_data = (OPJ_BYTE*) l_src_ptr;
8380 }
8381 break;
8382 }
8383
8384 ++l_img_comp_dest;
8385 ++l_img_comp_src;
8386 ++l_tilec;
8387 }
8388
8389 return OPJ_TRUE;
8390 }
8391
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)8392 OPJ_BOOL opj_j2k_set_decode_area( opj_j2k_t *p_j2k,
8393 opj_image_t* p_image,
8394 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
8395 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
8396 opj_event_mgr_t * p_manager )
8397 {
8398 opj_cp_t * l_cp = &(p_j2k->m_cp);
8399 opj_image_t * l_image = p_j2k->m_private_image;
8400
8401 OPJ_UINT32 it_comp;
8402 OPJ_INT32 l_comp_x1, l_comp_y1;
8403 opj_image_comp_t* l_img_comp = NULL;
8404
8405 /* Check if we are read the main header */
8406 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) { /* FIXME J2K_DEC_STATE_TPHSOT)*/
8407 opj_event_msg(p_manager, EVT_ERROR, "Need to decode the main header before begin to decode the remaining codestream");
8408 return OPJ_FALSE;
8409 }
8410
8411 if ( !p_start_x && !p_start_y && !p_end_x && !p_end_y){
8412 opj_event_msg(p_manager, EVT_INFO, "No decoded area parameters, set the decoded area to the whole image\n");
8413
8414 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
8415 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
8416 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
8417 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
8418
8419 return OPJ_TRUE;
8420 }
8421
8422 /* ----- */
8423 /* Check if the positions provided by the user are correct */
8424
8425 /* Left */
8426 assert(p_start_x >= 0 );
8427 assert(p_start_y >= 0 );
8428
8429 if ((OPJ_UINT32)p_start_x > l_image->x1 ) {
8430 opj_event_msg(p_manager, EVT_ERROR,
8431 "Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n",
8432 p_start_x, l_image->x1);
8433 return OPJ_FALSE;
8434 }
8435 else if ((OPJ_UINT32)p_start_x < l_image->x0){
8436 opj_event_msg(p_manager, EVT_WARNING,
8437 "Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n",
8438 p_start_x, l_image->x0);
8439 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
8440 p_image->x0 = l_image->x0;
8441 }
8442 else {
8443 p_j2k->m_specific_param.m_decoder.m_start_tile_x = ((OPJ_UINT32)p_start_x - l_cp->tx0) / l_cp->tdx;
8444 p_image->x0 = (OPJ_UINT32)p_start_x;
8445 }
8446
8447 /* Up */
8448 if ((OPJ_UINT32)p_start_y > l_image->y1){
8449 opj_event_msg(p_manager, EVT_ERROR,
8450 "Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n",
8451 p_start_y, l_image->y1);
8452 return OPJ_FALSE;
8453 }
8454 else if ((OPJ_UINT32)p_start_y < l_image->y0){
8455 opj_event_msg(p_manager, EVT_WARNING,
8456 "Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n",
8457 p_start_y, l_image->y0);
8458 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
8459 p_image->y0 = l_image->y0;
8460 }
8461 else {
8462 p_j2k->m_specific_param.m_decoder.m_start_tile_y = ((OPJ_UINT32)p_start_y - l_cp->ty0) / l_cp->tdy;
8463 p_image->y0 = (OPJ_UINT32)p_start_y;
8464 }
8465
8466 /* Right */
8467 assert((OPJ_UINT32)p_end_x > 0);
8468 assert((OPJ_UINT32)p_end_y > 0);
8469 if ((OPJ_UINT32)p_end_x < l_image->x0) {
8470 opj_event_msg(p_manager, EVT_ERROR,
8471 "Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n",
8472 p_end_x, l_image->x0);
8473 return OPJ_FALSE;
8474 }
8475 else if ((OPJ_UINT32)p_end_x > l_image->x1) {
8476 opj_event_msg(p_manager, EVT_WARNING,
8477 "Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n",
8478 p_end_x, l_image->x1);
8479 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
8480 p_image->x1 = l_image->x1;
8481 }
8482 else {
8483 p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv(p_end_x - (OPJ_INT32)l_cp->tx0, (OPJ_INT32)l_cp->tdx);
8484 p_image->x1 = (OPJ_UINT32)p_end_x;
8485 }
8486
8487 /* Bottom */
8488 if ((OPJ_UINT32)p_end_y < l_image->y0) {
8489 opj_event_msg(p_manager, EVT_ERROR,
8490 "Bottom position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n",
8491 p_end_y, l_image->y0);
8492 return OPJ_FALSE;
8493 }
8494 if ((OPJ_UINT32)p_end_y > l_image->y1){
8495 opj_event_msg(p_manager, EVT_WARNING,
8496 "Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n",
8497 p_end_y, l_image->y1);
8498 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
8499 p_image->y1 = l_image->y1;
8500 }
8501 else{
8502 p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv(p_end_y - (OPJ_INT32)l_cp->ty0, (OPJ_INT32)l_cp->tdy);
8503 p_image->y1 = (OPJ_UINT32)p_end_y;
8504 }
8505 /* ----- */
8506
8507 p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1;
8508
8509 l_img_comp = p_image->comps;
8510 for (it_comp=0; it_comp < p_image->numcomps; ++it_comp)
8511 {
8512 OPJ_INT32 l_h,l_w;
8513
8514 l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0, (OPJ_INT32)l_img_comp->dx);
8515 l_img_comp->y0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->y0, (OPJ_INT32)l_img_comp->dy);
8516 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
8517 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
8518
8519 l_w = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor)
8520 - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor);
8521 if (l_w < 0){
8522 opj_event_msg(p_manager, EVT_ERROR,
8523 "Size x of the decoded component image is incorrect (comp[%d].w=%d).\n",
8524 it_comp, l_w);
8525 return OPJ_FALSE;
8526 }
8527 l_img_comp->w = (OPJ_UINT32)l_w;
8528
8529 l_h = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor)
8530 - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor);
8531 if (l_h < 0){
8532 opj_event_msg(p_manager, EVT_ERROR,
8533 "Size y of the decoded component image is incorrect (comp[%d].h=%d).\n",
8534 it_comp, l_h);
8535 return OPJ_FALSE;
8536 }
8537 l_img_comp->h = (OPJ_UINT32)l_h;
8538
8539 l_img_comp++;
8540 }
8541
8542 opj_event_msg( p_manager, EVT_INFO,"Setting decoding area to %d,%d,%d,%d\n",
8543 p_image->x0, p_image->y0, p_image->x1, p_image->y1);
8544
8545 return OPJ_TRUE;
8546 }
8547
opj_j2k_create_decompress(void)8548 opj_j2k_t* opj_j2k_create_decompress(void)
8549 {
8550 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1,sizeof(opj_j2k_t));
8551 if (!l_j2k) {
8552 return 00;
8553 }
8554
8555 l_j2k->m_is_decoder = 1;
8556 l_j2k->m_cp.m_is_decoder = 1;
8557
8558 #ifdef OPJ_DISABLE_TPSOT_FIX
8559 l_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
8560 #endif
8561
8562 l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_t*) opj_calloc(1,sizeof(opj_tcp_t));
8563 if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
8564 opj_j2k_destroy(l_j2k);
8565 return 00;
8566 }
8567
8568 l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_calloc(1,OPJ_J2K_DEFAULT_HEADER_SIZE);
8569 if (! l_j2k->m_specific_param.m_decoder.m_header_data) {
8570 opj_j2k_destroy(l_j2k);
8571 return 00;
8572 }
8573
8574 l_j2k->m_specific_param.m_decoder.m_header_data_size = OPJ_J2K_DEFAULT_HEADER_SIZE;
8575
8576 l_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = -1 ;
8577
8578 l_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = 0 ;
8579
8580 /* codestream index creation */
8581 l_j2k->cstr_index = opj_j2k_create_cstr_index();
8582 if (!l_j2k->cstr_index){
8583 opj_j2k_destroy(l_j2k);
8584 return 00;
8585 }
8586
8587 /* validation list creation */
8588 l_j2k->m_validation_list = opj_procedure_list_create();
8589 if (! l_j2k->m_validation_list) {
8590 opj_j2k_destroy(l_j2k);
8591 return 00;
8592 }
8593
8594 /* execution list creation */
8595 l_j2k->m_procedure_list = opj_procedure_list_create();
8596 if (! l_j2k->m_procedure_list) {
8597 opj_j2k_destroy(l_j2k);
8598 return 00;
8599 }
8600
8601 return l_j2k;
8602 }
8603
opj_j2k_create_cstr_index(void)8604 static opj_codestream_index_t* opj_j2k_create_cstr_index(void)
8605 {
8606 opj_codestream_index_t* cstr_index = (opj_codestream_index_t*)
8607 opj_calloc(1,sizeof(opj_codestream_index_t));
8608 if (!cstr_index)
8609 return NULL;
8610
8611 cstr_index->maxmarknum = 100;
8612 cstr_index->marknum = 0;
8613 cstr_index->marker = (opj_marker_info_t*)
8614 opj_calloc(cstr_index->maxmarknum, sizeof(opj_marker_info_t));
8615 if (!cstr_index-> marker) {
8616 opj_free(cstr_index);
8617 return NULL;
8618 }
8619
8620 cstr_index->tile_index = NULL;
8621
8622 return cstr_index;
8623 }
8624
opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no)8625 static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size ( opj_j2k_t *p_j2k,
8626 OPJ_UINT32 p_tile_no,
8627 OPJ_UINT32 p_comp_no )
8628 {
8629 opj_cp_t *l_cp = 00;
8630 opj_tcp_t *l_tcp = 00;
8631 opj_tccp_t *l_tccp = 00;
8632
8633 /* preconditions */
8634 assert(p_j2k != 00);
8635
8636 l_cp = &(p_j2k->m_cp);
8637 l_tcp = &l_cp->tcps[p_tile_no];
8638 l_tccp = &l_tcp->tccps[p_comp_no];
8639
8640 /* preconditions again */
8641 assert(p_tile_no < (l_cp->tw * l_cp->th));
8642 assert(p_comp_no < p_j2k->m_private_image->numcomps);
8643
8644 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
8645 return 5 + l_tccp->numresolutions;
8646 }
8647 else {
8648 return 5;
8649 }
8650 }
8651
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)8652 static OPJ_BOOL opj_j2k_write_SPCod_SPCoc( opj_j2k_t *p_j2k,
8653 OPJ_UINT32 p_tile_no,
8654 OPJ_UINT32 p_comp_no,
8655 OPJ_BYTE * p_data,
8656 OPJ_UINT32 * p_header_size,
8657 struct opj_event_mgr * p_manager )
8658 {
8659 OPJ_UINT32 i;
8660 opj_cp_t *l_cp = 00;
8661 opj_tcp_t *l_tcp = 00;
8662 opj_tccp_t *l_tccp = 00;
8663
8664 /* preconditions */
8665 assert(p_j2k != 00);
8666 assert(p_header_size != 00);
8667 assert(p_manager != 00);
8668 assert(p_data != 00);
8669
8670 l_cp = &(p_j2k->m_cp);
8671 l_tcp = &l_cp->tcps[p_tile_no];
8672 l_tccp = &l_tcp->tccps[p_comp_no];
8673
8674 /* preconditions again */
8675 assert(p_tile_no < (l_cp->tw * l_cp->th));
8676 assert(p_comp_no <(p_j2k->m_private_image->numcomps));
8677
8678 if (*p_header_size < 5) {
8679 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
8680 return OPJ_FALSE;
8681 }
8682
8683 opj_write_bytes(p_data,l_tccp->numresolutions - 1, 1); /* SPcoc (D) */
8684 ++p_data;
8685
8686 opj_write_bytes(p_data,l_tccp->cblkw - 2, 1); /* SPcoc (E) */
8687 ++p_data;
8688
8689 opj_write_bytes(p_data,l_tccp->cblkh - 2, 1); /* SPcoc (F) */
8690 ++p_data;
8691
8692 opj_write_bytes(p_data,l_tccp->cblksty, 1); /* SPcoc (G) */
8693 ++p_data;
8694
8695 opj_write_bytes(p_data,l_tccp->qmfbid, 1); /* SPcoc (H) */
8696 ++p_data;
8697
8698 *p_header_size = *p_header_size - 5;
8699
8700 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
8701
8702 if (*p_header_size < l_tccp->numresolutions) {
8703 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
8704 return OPJ_FALSE;
8705 }
8706
8707 for (i = 0; i < l_tccp->numresolutions; ++i) {
8708 opj_write_bytes(p_data,l_tccp->prcw[i] + (l_tccp->prch[i] << 4), 1); /* SPcoc (I_i) */
8709 ++p_data;
8710 }
8711
8712 *p_header_size = *p_header_size - l_tccp->numresolutions;
8713 }
8714
8715 return OPJ_TRUE;
8716 }
8717
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)8718 static OPJ_BOOL opj_j2k_read_SPCod_SPCoc( opj_j2k_t *p_j2k,
8719 OPJ_UINT32 compno,
8720 OPJ_BYTE * p_header_data,
8721 OPJ_UINT32 * p_header_size,
8722 opj_event_mgr_t * p_manager)
8723 {
8724 OPJ_UINT32 i, l_tmp;
8725 opj_cp_t *l_cp = NULL;
8726 opj_tcp_t *l_tcp = NULL;
8727 opj_tccp_t *l_tccp = NULL;
8728 OPJ_BYTE * l_current_ptr = NULL;
8729
8730 /* preconditions */
8731 assert(p_j2k != 00);
8732 assert(p_manager != 00);
8733 assert(p_header_data != 00);
8734
8735 l_cp = &(p_j2k->m_cp);
8736 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
8737 &l_cp->tcps[p_j2k->m_current_tile_number] :
8738 p_j2k->m_specific_param.m_decoder.m_default_tcp;
8739
8740 /* precondition again */
8741 assert(compno < p_j2k->m_private_image->numcomps);
8742
8743 l_tccp = &l_tcp->tccps[compno];
8744 l_current_ptr = p_header_data;
8745
8746 /* make sure room is sufficient */
8747 if (*p_header_size < 5) {
8748 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
8749 return OPJ_FALSE;
8750 }
8751
8752 opj_read_bytes(l_current_ptr, &l_tccp->numresolutions ,1); /* SPcox (D) */
8753 ++l_tccp->numresolutions; /* tccp->numresolutions = read() + 1 */
8754 if (l_tccp->numresolutions > OPJ_J2K_MAXRLVLS) {
8755 opj_event_msg(p_manager, EVT_ERROR,
8756 "Invalid value for numresolutions : %d, max value is set in openjpeg.h at %d\n",
8757 l_tccp->numresolutions, OPJ_J2K_MAXRLVLS);
8758 return OPJ_FALSE;
8759 }
8760 ++l_current_ptr;
8761
8762 /* If user wants to remove more resolutions than the codestream contains, return error */
8763 if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) {
8764 opj_event_msg(p_manager, EVT_ERROR, "Error decoding component %d.\nThe number of resolutions to remove is higher than the number "
8765 "of resolutions of this component\nModify the cp_reduce parameter.\n\n", compno);
8766 p_j2k->m_specific_param.m_decoder.m_state |= 0x8000;/* FIXME J2K_DEC_STATE_ERR;*/
8767 return OPJ_FALSE;
8768 }
8769
8770 opj_read_bytes(l_current_ptr,&l_tccp->cblkw ,1); /* SPcoc (E) */
8771 ++l_current_ptr;
8772 l_tccp->cblkw += 2;
8773
8774 opj_read_bytes(l_current_ptr,&l_tccp->cblkh ,1); /* SPcoc (F) */
8775 ++l_current_ptr;
8776 l_tccp->cblkh += 2;
8777
8778 if ((l_tccp->cblkw > 10) || (l_tccp->cblkh > 10) || ((l_tccp->cblkw + l_tccp->cblkh) > 12)) {
8779 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element, Invalid cblkw/cblkh combination\n");
8780 return OPJ_FALSE;
8781 }
8782
8783
8784 opj_read_bytes(l_current_ptr,&l_tccp->cblksty ,1); /* SPcoc (G) */
8785 ++l_current_ptr;
8786
8787 opj_read_bytes(l_current_ptr,&l_tccp->qmfbid ,1); /* SPcoc (H) */
8788 ++l_current_ptr;
8789
8790 *p_header_size = *p_header_size - 5;
8791
8792 /* use custom precinct size ? */
8793 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
8794 if (*p_header_size < l_tccp->numresolutions) {
8795 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
8796 return OPJ_FALSE;
8797 }
8798
8799 for (i = 0; i < l_tccp->numresolutions; ++i) {
8800 opj_read_bytes(l_current_ptr,&l_tmp ,1); /* SPcoc (I_i) */
8801 ++l_current_ptr;
8802 /* Precinct exponent 0 is only allowed for lowest resolution level (Table A.21) */
8803 if ((i != 0) && (((l_tmp & 0xf) == 0) || ((l_tmp >> 4) == 0))) {
8804 opj_event_msg(p_manager, EVT_ERROR, "Invalid precinct size\n");
8805 return OPJ_FALSE;
8806 }
8807 l_tccp->prcw[i] = l_tmp & 0xf;
8808 l_tccp->prch[i] = l_tmp >> 4;
8809 }
8810
8811 *p_header_size = *p_header_size - l_tccp->numresolutions;
8812 }
8813 else {
8814 /* set default size for the precinct width and height */
8815 for (i = 0; i < l_tccp->numresolutions; ++i) {
8816 l_tccp->prcw[i] = 15;
8817 l_tccp->prch[i] = 15;
8818 }
8819 }
8820
8821 #ifdef WIP_REMOVE_MSD
8822 /* INDEX >> */
8823 if (p_j2k->cstr_info && compno == 0) {
8824 OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32);
8825
8826 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkh = l_tccp->cblkh;
8827 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkw = l_tccp->cblkw;
8828 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].numresolutions = l_tccp->numresolutions;
8829 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblksty = l_tccp->cblksty;
8830 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].qmfbid = l_tccp->qmfbid;
8831
8832 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx,l_tccp->prcw, l_data_size);
8833 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy,l_tccp->prch, l_data_size);
8834 }
8835 /* << INDEX */
8836 #endif
8837
8838 return OPJ_TRUE;
8839 }
8840
opj_j2k_copy_tile_component_parameters(opj_j2k_t * p_j2k)8841 static void opj_j2k_copy_tile_component_parameters( opj_j2k_t *p_j2k )
8842 {
8843 /* loop */
8844 OPJ_UINT32 i;
8845 opj_cp_t *l_cp = NULL;
8846 opj_tcp_t *l_tcp = NULL;
8847 opj_tccp_t *l_ref_tccp = NULL, *l_copied_tccp = NULL;
8848 OPJ_UINT32 l_prc_size;
8849
8850 /* preconditions */
8851 assert(p_j2k != 00);
8852
8853 l_cp = &(p_j2k->m_cp);
8854 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ? /* FIXME J2K_DEC_STATE_TPH*/
8855 &l_cp->tcps[p_j2k->m_current_tile_number] :
8856 p_j2k->m_specific_param.m_decoder.m_default_tcp;
8857
8858 l_ref_tccp = &l_tcp->tccps[0];
8859 l_copied_tccp = l_ref_tccp + 1;
8860 l_prc_size = l_ref_tccp->numresolutions * (OPJ_UINT32)sizeof(OPJ_UINT32);
8861
8862 for (i=1; i<p_j2k->m_private_image->numcomps; ++i) {
8863 l_copied_tccp->numresolutions = l_ref_tccp->numresolutions;
8864 l_copied_tccp->cblkw = l_ref_tccp->cblkw;
8865 l_copied_tccp->cblkh = l_ref_tccp->cblkh;
8866 l_copied_tccp->cblksty = l_ref_tccp->cblksty;
8867 l_copied_tccp->qmfbid = l_ref_tccp->qmfbid;
8868 memcpy(l_copied_tccp->prcw,l_ref_tccp->prcw,l_prc_size);
8869 memcpy(l_copied_tccp->prch,l_ref_tccp->prch,l_prc_size);
8870 ++l_copied_tccp;
8871 }
8872 }
8873
opj_j2k_get_SQcd_SQcc_size(opj_j2k_t * p_j2k,OPJ_UINT32 p_tile_no,OPJ_UINT32 p_comp_no)8874 static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size ( opj_j2k_t *p_j2k,
8875 OPJ_UINT32 p_tile_no,
8876 OPJ_UINT32 p_comp_no )
8877 {
8878 OPJ_UINT32 l_num_bands;
8879
8880 opj_cp_t *l_cp = 00;
8881 opj_tcp_t *l_tcp = 00;
8882 opj_tccp_t *l_tccp = 00;
8883
8884 /* preconditions */
8885 assert(p_j2k != 00);
8886
8887 l_cp = &(p_j2k->m_cp);
8888 l_tcp = &l_cp->tcps[p_tile_no];
8889 l_tccp = &l_tcp->tccps[p_comp_no];
8890
8891 /* preconditions again */
8892 assert(p_tile_no < l_cp->tw * l_cp->th);
8893 assert(p_comp_no < p_j2k->m_private_image->numcomps);
8894
8895 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (l_tccp->numresolutions * 3 - 2);
8896
8897 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
8898 return 1 + l_num_bands;
8899 }
8900 else {
8901 return 1 + 2*l_num_bands;
8902 }
8903 }
8904
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)8905 static OPJ_BOOL opj_j2k_write_SQcd_SQcc( opj_j2k_t *p_j2k,
8906 OPJ_UINT32 p_tile_no,
8907 OPJ_UINT32 p_comp_no,
8908 OPJ_BYTE * p_data,
8909 OPJ_UINT32 * p_header_size,
8910 struct opj_event_mgr * p_manager )
8911 {
8912 OPJ_UINT32 l_header_size;
8913 OPJ_UINT32 l_band_no, l_num_bands;
8914 OPJ_UINT32 l_expn,l_mant;
8915
8916 opj_cp_t *l_cp = 00;
8917 opj_tcp_t *l_tcp = 00;
8918 opj_tccp_t *l_tccp = 00;
8919
8920 /* preconditions */
8921 assert(p_j2k != 00);
8922 assert(p_header_size != 00);
8923 assert(p_manager != 00);
8924 assert(p_data != 00);
8925
8926 l_cp = &(p_j2k->m_cp);
8927 l_tcp = &l_cp->tcps[p_tile_no];
8928 l_tccp = &l_tcp->tccps[p_comp_no];
8929
8930 /* preconditions again */
8931 assert(p_tile_no < l_cp->tw * l_cp->th);
8932 assert(p_comp_no <p_j2k->m_private_image->numcomps);
8933
8934 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (l_tccp->numresolutions * 3 - 2);
8935
8936 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
8937 l_header_size = 1 + l_num_bands;
8938
8939 if (*p_header_size < l_header_size) {
8940 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
8941 return OPJ_FALSE;
8942 }
8943
8944 opj_write_bytes(p_data,l_tccp->qntsty + (l_tccp->numgbits << 5), 1); /* Sqcx */
8945 ++p_data;
8946
8947 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
8948 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
8949 opj_write_bytes(p_data, l_expn << 3, 1); /* SPqcx_i */
8950 ++p_data;
8951 }
8952 }
8953 else {
8954 l_header_size = 1 + 2*l_num_bands;
8955
8956 if (*p_header_size < l_header_size) {
8957 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
8958 return OPJ_FALSE;
8959 }
8960
8961 opj_write_bytes(p_data,l_tccp->qntsty + (l_tccp->numgbits << 5), 1); /* Sqcx */
8962 ++p_data;
8963
8964 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
8965 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
8966 l_mant = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].mant;
8967
8968 opj_write_bytes(p_data, (l_expn << 11) + l_mant, 2); /* SPqcx_i */
8969 p_data += 2;
8970 }
8971 }
8972
8973 *p_header_size = *p_header_size - l_header_size;
8974
8975 return OPJ_TRUE;
8976 }
8977
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)8978 static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
8979 OPJ_UINT32 p_comp_no,
8980 OPJ_BYTE* p_header_data,
8981 OPJ_UINT32 * p_header_size,
8982 opj_event_mgr_t * p_manager
8983 )
8984 {
8985 /* loop*/
8986 OPJ_UINT32 l_band_no;
8987 opj_cp_t *l_cp = 00;
8988 opj_tcp_t *l_tcp = 00;
8989 opj_tccp_t *l_tccp = 00;
8990 OPJ_BYTE * l_current_ptr = 00;
8991 OPJ_UINT32 l_tmp, l_num_band;
8992
8993 /* preconditions*/
8994 assert(p_j2k != 00);
8995 assert(p_manager != 00);
8996 assert(p_header_data != 00);
8997
8998 l_cp = &(p_j2k->m_cp);
8999 /* come from tile part header or main header ?*/
9000 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ? /*FIXME J2K_DEC_STATE_TPH*/
9001 &l_cp->tcps[p_j2k->m_current_tile_number] :
9002 p_j2k->m_specific_param.m_decoder.m_default_tcp;
9003
9004 /* precondition again*/
9005 assert(p_comp_no < p_j2k->m_private_image->numcomps);
9006
9007 l_tccp = &l_tcp->tccps[p_comp_no];
9008 l_current_ptr = p_header_data;
9009
9010 if (*p_header_size < 1) {
9011 opj_event_msg(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n");
9012 return OPJ_FALSE;
9013 }
9014 *p_header_size -= 1;
9015
9016 opj_read_bytes(l_current_ptr, &l_tmp ,1); /* Sqcx */
9017 ++l_current_ptr;
9018
9019 l_tccp->qntsty = l_tmp & 0x1f;
9020 l_tccp->numgbits = l_tmp >> 5;
9021 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
9022 l_num_band = 1;
9023 }
9024 else {
9025 l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ?
9026 (*p_header_size) :
9027 (*p_header_size) / 2;
9028
9029 if( l_num_band > OPJ_J2K_MAXBANDS ) {
9030 opj_event_msg(p_manager, EVT_WARNING, "While reading CCP_QNTSTY element inside QCD or QCC marker segment, "
9031 "number of subbands (%d) is greater to OPJ_J2K_MAXBANDS (%d). So we limit the number of elements stored to "
9032 "OPJ_J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, OPJ_J2K_MAXBANDS, OPJ_J2K_MAXBANDS);
9033 /*return OPJ_FALSE;*/
9034 }
9035 }
9036
9037 #ifdef USE_JPWL
9038 if (l_cp->correct) {
9039
9040 /* if JPWL is on, we check whether there are too many subbands */
9041 if (/*(l_num_band < 0) ||*/ (l_num_band >= OPJ_J2K_MAXBANDS)) {
9042 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
9043 "JPWL: bad number of subbands in Sqcx (%d)\n",
9044 l_num_band);
9045 if (!JPWL_ASSUME) {
9046 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
9047 return OPJ_FALSE;
9048 }
9049 /* we try to correct */
9050 l_num_band = 1;
9051 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n"
9052 "- setting number of bands to %d => HYPOTHESIS!!!\n",
9053 l_num_band);
9054 };
9055
9056 };
9057 #endif /* USE_JPWL */
9058
9059 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
9060 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
9061 opj_read_bytes(l_current_ptr, &l_tmp ,1); /* SPqcx_i */
9062 ++l_current_ptr;
9063 if (l_band_no < OPJ_J2K_MAXBANDS){
9064 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 3);
9065 l_tccp->stepsizes[l_band_no].mant = 0;
9066 }
9067 }
9068 *p_header_size = *p_header_size - l_num_band;
9069 }
9070 else {
9071 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
9072 opj_read_bytes(l_current_ptr, &l_tmp ,2); /* SPqcx_i */
9073 l_current_ptr+=2;
9074 if (l_band_no < OPJ_J2K_MAXBANDS){
9075 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 11);
9076 l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff;
9077 }
9078 }
9079 *p_header_size = *p_header_size - 2*l_num_band;
9080 }
9081
9082 /* Add Antonin : if scalar_derived -> compute other stepsizes */
9083 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
9084 for (l_band_no = 1; l_band_no < OPJ_J2K_MAXBANDS; l_band_no++) {
9085 l_tccp->stepsizes[l_band_no].expn =
9086 ((OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) > 0) ?
9087 (OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) : 0;
9088 l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
9089 }
9090 }
9091
9092 return OPJ_TRUE;
9093 }
9094
opj_j2k_copy_tile_quantization_parameters(opj_j2k_t * p_j2k)9095 static void opj_j2k_copy_tile_quantization_parameters( opj_j2k_t *p_j2k )
9096 {
9097 OPJ_UINT32 i;
9098 opj_cp_t *l_cp = NULL;
9099 opj_tcp_t *l_tcp = NULL;
9100 opj_tccp_t *l_ref_tccp = NULL;
9101 opj_tccp_t *l_copied_tccp = NULL;
9102 OPJ_UINT32 l_size;
9103
9104 /* preconditions */
9105 assert(p_j2k != 00);
9106
9107 l_cp = &(p_j2k->m_cp);
9108 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
9109 &l_cp->tcps[p_j2k->m_current_tile_number] :
9110 p_j2k->m_specific_param.m_decoder.m_default_tcp;
9111
9112 l_ref_tccp = &l_tcp->tccps[0];
9113 l_copied_tccp = l_ref_tccp + 1;
9114 l_size = OPJ_J2K_MAXBANDS * sizeof(opj_stepsize_t);
9115
9116 for (i=1;i<p_j2k->m_private_image->numcomps;++i) {
9117 l_copied_tccp->qntsty = l_ref_tccp->qntsty;
9118 l_copied_tccp->numgbits = l_ref_tccp->numgbits;
9119 memcpy(l_copied_tccp->stepsizes,l_ref_tccp->stepsizes,l_size);
9120 ++l_copied_tccp;
9121 }
9122 }
9123
opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,OPJ_INT32 numcomps,FILE * out_stream)9124 static void opj_j2k_dump_tile_info( opj_tcp_t * l_default_tile,OPJ_INT32 numcomps,FILE* out_stream)
9125 {
9126 if (l_default_tile)
9127 {
9128 OPJ_INT32 compno;
9129
9130 fprintf(out_stream, "\t default tile {\n");
9131 fprintf(out_stream, "\t\t csty=%#x\n", l_default_tile->csty);
9132 fprintf(out_stream, "\t\t prg=%#x\n", l_default_tile->prg);
9133 fprintf(out_stream, "\t\t numlayers=%d\n", l_default_tile->numlayers);
9134 fprintf(out_stream, "\t\t mct=%x\n", l_default_tile->mct);
9135
9136 for (compno = 0; compno < numcomps; compno++) {
9137 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
9138 OPJ_UINT32 resno;
9139 OPJ_INT32 bandno, numbands;
9140
9141 /* coding style*/
9142 fprintf(out_stream, "\t\t comp %d {\n", compno);
9143 fprintf(out_stream, "\t\t\t csty=%#x\n", l_tccp->csty);
9144 fprintf(out_stream, "\t\t\t numresolutions=%d\n", l_tccp->numresolutions);
9145 fprintf(out_stream, "\t\t\t cblkw=2^%d\n", l_tccp->cblkw);
9146 fprintf(out_stream, "\t\t\t cblkh=2^%d\n", l_tccp->cblkh);
9147 fprintf(out_stream, "\t\t\t cblksty=%#x\n", l_tccp->cblksty);
9148 fprintf(out_stream, "\t\t\t qmfbid=%d\n", l_tccp->qmfbid);
9149
9150 fprintf(out_stream, "\t\t\t preccintsize (w,h)=");
9151 for (resno = 0; resno < l_tccp->numresolutions; resno++) {
9152 fprintf(out_stream, "(%d,%d) ", l_tccp->prcw[resno], l_tccp->prch[resno]);
9153 }
9154 fprintf(out_stream, "\n");
9155
9156 /* quantization style*/
9157 fprintf(out_stream, "\t\t\t qntsty=%d\n", l_tccp->qntsty);
9158 fprintf(out_stream, "\t\t\t numgbits=%d\n", l_tccp->numgbits);
9159 fprintf(out_stream, "\t\t\t stepsizes (m,e)=");
9160 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
9161 for (bandno = 0; bandno < numbands; bandno++) {
9162 fprintf(out_stream, "(%d,%d) ", l_tccp->stepsizes[bandno].mant,
9163 l_tccp->stepsizes[bandno].expn);
9164 }
9165 fprintf(out_stream, "\n");
9166
9167 /* RGN value*/
9168 fprintf(out_stream, "\t\t\t roishift=%d\n", l_tccp->roishift);
9169
9170 fprintf(out_stream, "\t\t }\n");
9171 } /*end of component of default tile*/
9172 fprintf(out_stream, "\t }\n"); /*end of default tile*/
9173 }
9174 }
9175
j2k_dump(opj_j2k_t * p_j2k,OPJ_INT32 flag,FILE * out_stream)9176 void j2k_dump (opj_j2k_t* p_j2k, OPJ_INT32 flag, FILE* out_stream)
9177 {
9178 /* Check if the flag is compatible with j2k file*/
9179 if ( (flag & OPJ_JP2_INFO) || (flag & OPJ_JP2_IND)){
9180 fprintf(out_stream, "Wrong flag\n");
9181 return;
9182 }
9183
9184 /* Dump the image_header */
9185 if (flag & OPJ_IMG_INFO){
9186 if (p_j2k->m_private_image)
9187 j2k_dump_image_header(p_j2k->m_private_image, 0, out_stream);
9188 }
9189
9190 /* Dump the codestream info from main header */
9191 if (flag & OPJ_J2K_MH_INFO){
9192 opj_j2k_dump_MH_info(p_j2k, out_stream);
9193 }
9194 /* Dump all tile/codestream info */
9195 if (flag & OPJ_J2K_TCH_INFO){
9196 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
9197 OPJ_UINT32 i;
9198 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
9199 for (i=0;i<l_nb_tiles;++i) {
9200 opj_j2k_dump_tile_info( l_tcp,(OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream);
9201 ++l_tcp;
9202 }
9203 }
9204
9205 /* Dump the codestream info of the current tile */
9206 if (flag & OPJ_J2K_TH_INFO){
9207
9208 }
9209
9210 /* Dump the codestream index from main header */
9211 if (flag & OPJ_J2K_MH_IND){
9212 opj_j2k_dump_MH_index(p_j2k, out_stream);
9213 }
9214
9215 /* Dump the codestream index of the current tile */
9216 if (flag & OPJ_J2K_TH_IND){
9217
9218 }
9219
9220 }
9221
opj_j2k_dump_MH_index(opj_j2k_t * p_j2k,FILE * out_stream)9222 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream)
9223 {
9224 opj_codestream_index_t* cstr_index = p_j2k->cstr_index;
9225 OPJ_UINT32 it_marker, it_tile, it_tile_part;
9226
9227 fprintf(out_stream, "Codestream index from main header: {\n");
9228
9229 fprintf(out_stream, "\t Main header start position=%" PRIi64 "\n"
9230 "\t Main header end position=%" PRIi64 "\n",
9231 cstr_index->main_head_start, cstr_index->main_head_end);
9232
9233 fprintf(out_stream, "\t Marker list: {\n");
9234
9235 if (cstr_index->marker){
9236 for (it_marker=0; it_marker < cstr_index->marknum ; it_marker++){
9237 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
9238 cstr_index->marker[it_marker].type,
9239 cstr_index->marker[it_marker].pos,
9240 cstr_index->marker[it_marker].len );
9241 }
9242 }
9243
9244 fprintf(out_stream, "\t }\n");
9245
9246 if (cstr_index->tile_index){
9247
9248 /* Simple test to avoid to write empty information*/
9249 OPJ_UINT32 l_acc_nb_of_tile_part = 0;
9250 for (it_tile=0; it_tile < cstr_index->nb_of_tiles ; it_tile++){
9251 l_acc_nb_of_tile_part += cstr_index->tile_index[it_tile].nb_tps;
9252 }
9253
9254 if (l_acc_nb_of_tile_part)
9255 {
9256 fprintf(out_stream, "\t Tile index: {\n");
9257
9258 for (it_tile=0; it_tile < cstr_index->nb_of_tiles ; it_tile++){
9259 OPJ_UINT32 nb_of_tile_part = cstr_index->tile_index[it_tile].nb_tps;
9260
9261 fprintf(out_stream, "\t\t nb of tile-part in tile [%d]=%d\n", it_tile, nb_of_tile_part);
9262
9263 if (cstr_index->tile_index[it_tile].tp_index){
9264 for (it_tile_part =0; it_tile_part < nb_of_tile_part; it_tile_part++){
9265 fprintf(out_stream, "\t\t\t tile-part[%d]: star_pos=%" PRIi64 ", end_header=%" PRIi64 ", end_pos=%" PRIi64 ".\n",
9266 it_tile_part,
9267 cstr_index->tile_index[it_tile].tp_index[it_tile_part].start_pos,
9268 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_header,
9269 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_pos);
9270 }
9271 }
9272
9273 if (cstr_index->tile_index[it_tile].marker){
9274 for (it_marker=0; it_marker < cstr_index->tile_index[it_tile].marknum ; it_marker++){
9275 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
9276 cstr_index->tile_index[it_tile].marker[it_marker].type,
9277 cstr_index->tile_index[it_tile].marker[it_marker].pos,
9278 cstr_index->tile_index[it_tile].marker[it_marker].len );
9279 }
9280 }
9281 }
9282 fprintf(out_stream,"\t }\n");
9283 }
9284 }
9285
9286 fprintf(out_stream,"}\n");
9287
9288 }
9289
9290
opj_j2k_dump_MH_info(opj_j2k_t * p_j2k,FILE * out_stream)9291 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream)
9292 {
9293
9294 fprintf(out_stream, "Codestream info from main header: {\n");
9295
9296 fprintf(out_stream, "\t tx0=%d, ty0=%d\n", p_j2k->m_cp.tx0, p_j2k->m_cp.ty0);
9297 fprintf(out_stream, "\t tdx=%d, tdy=%d\n", p_j2k->m_cp.tdx, p_j2k->m_cp.tdy);
9298 fprintf(out_stream, "\t tw=%d, th=%d\n", p_j2k->m_cp.tw, p_j2k->m_cp.th);
9299 opj_j2k_dump_tile_info(p_j2k->m_specific_param.m_decoder.m_default_tcp,(OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream);
9300 fprintf(out_stream, "}\n");
9301 }
9302
j2k_dump_image_header(opj_image_t * img_header,OPJ_BOOL dev_dump_flag,FILE * out_stream)9303 void j2k_dump_image_header(opj_image_t* img_header, OPJ_BOOL dev_dump_flag, FILE* out_stream)
9304 {
9305 char tab[2];
9306
9307 if (dev_dump_flag){
9308 fprintf(stdout, "[DEV] Dump an image_header struct {\n");
9309 tab[0] = '\0';
9310 }
9311 else {
9312 fprintf(out_stream, "Image info {\n");
9313 tab[0] = '\t';tab[1] = '\0';
9314 }
9315
9316 fprintf(out_stream, "%s x0=%d, y0=%d\n", tab, img_header->x0, img_header->y0);
9317 fprintf(out_stream, "%s x1=%d, y1=%d\n", tab, img_header->x1, img_header->y1);
9318 fprintf(out_stream, "%s numcomps=%d\n", tab, img_header->numcomps);
9319
9320 if (img_header->comps){
9321 OPJ_UINT32 compno;
9322 for (compno = 0; compno < img_header->numcomps; compno++) {
9323 fprintf(out_stream, "%s\t component %d {\n", tab, compno);
9324 j2k_dump_image_comp_header(&(img_header->comps[compno]), dev_dump_flag, out_stream);
9325 fprintf(out_stream,"%s}\n",tab);
9326 }
9327 }
9328
9329 fprintf(out_stream, "}\n");
9330 }
9331
j2k_dump_image_comp_header(opj_image_comp_t * comp_header,OPJ_BOOL dev_dump_flag,FILE * out_stream)9332 void j2k_dump_image_comp_header(opj_image_comp_t* comp_header, OPJ_BOOL dev_dump_flag, FILE* out_stream)
9333 {
9334 char tab[3];
9335
9336 if (dev_dump_flag){
9337 fprintf(stdout, "[DEV] Dump an image_comp_header struct {\n");
9338 tab[0] = '\0';
9339 } else {
9340 tab[0] = '\t';tab[1] = '\t';tab[2] = '\0';
9341 }
9342
9343 fprintf(out_stream, "%s dx=%d, dy=%d\n", tab, comp_header->dx, comp_header->dy);
9344 fprintf(out_stream, "%s prec=%d\n", tab, comp_header->prec);
9345 fprintf(out_stream, "%s sgnd=%d\n", tab, comp_header->sgnd);
9346
9347 if (dev_dump_flag)
9348 fprintf(out_stream, "}\n");
9349 }
9350
j2k_get_cstr_info(opj_j2k_t * p_j2k)9351 opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_t* p_j2k)
9352 {
9353 OPJ_UINT32 compno;
9354 OPJ_UINT32 numcomps = p_j2k->m_private_image->numcomps;
9355 opj_tcp_t *l_default_tile;
9356 opj_codestream_info_v2_t* cstr_info = (opj_codestream_info_v2_t*) opj_calloc(1,sizeof(opj_codestream_info_v2_t));
9357 if (!cstr_info)
9358 return NULL;
9359
9360 cstr_info->nbcomps = p_j2k->m_private_image->numcomps;
9361
9362 cstr_info->tx0 = p_j2k->m_cp.tx0;
9363 cstr_info->ty0 = p_j2k->m_cp.ty0;
9364 cstr_info->tdx = p_j2k->m_cp.tdx;
9365 cstr_info->tdy = p_j2k->m_cp.tdy;
9366 cstr_info->tw = p_j2k->m_cp.tw;
9367 cstr_info->th = p_j2k->m_cp.th;
9368
9369 cstr_info->tile_info = NULL; /* Not fill from the main header*/
9370
9371 l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
9372
9373 cstr_info->m_default_tile_info.csty = l_default_tile->csty;
9374 cstr_info->m_default_tile_info.prg = l_default_tile->prg;
9375 cstr_info->m_default_tile_info.numlayers = l_default_tile->numlayers;
9376 cstr_info->m_default_tile_info.mct = l_default_tile->mct;
9377
9378 cstr_info->m_default_tile_info.tccp_info = (opj_tccp_info_t*) opj_calloc(cstr_info->nbcomps, sizeof(opj_tccp_info_t));
9379 if (!cstr_info->m_default_tile_info.tccp_info)
9380 {
9381 opj_destroy_cstr_info(&cstr_info);
9382 return NULL;
9383 }
9384
9385 for (compno = 0; compno < numcomps; compno++) {
9386 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
9387 opj_tccp_info_t *l_tccp_info = &(cstr_info->m_default_tile_info.tccp_info[compno]);
9388 OPJ_INT32 bandno, numbands;
9389
9390 /* coding style*/
9391 l_tccp_info->csty = l_tccp->csty;
9392 l_tccp_info->numresolutions = l_tccp->numresolutions;
9393 l_tccp_info->cblkw = l_tccp->cblkw;
9394 l_tccp_info->cblkh = l_tccp->cblkh;
9395 l_tccp_info->cblksty = l_tccp->cblksty;
9396 l_tccp_info->qmfbid = l_tccp->qmfbid;
9397 if (l_tccp->numresolutions < OPJ_J2K_MAXRLVLS)
9398 {
9399 memcpy(l_tccp_info->prch, l_tccp->prch, l_tccp->numresolutions);
9400 memcpy(l_tccp_info->prcw, l_tccp->prcw, l_tccp->numresolutions);
9401 }
9402
9403 /* quantization style*/
9404 l_tccp_info->qntsty = l_tccp->qntsty;
9405 l_tccp_info->numgbits = l_tccp->numgbits;
9406
9407 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 : (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
9408 if (numbands < OPJ_J2K_MAXBANDS) {
9409 for (bandno = 0; bandno < numbands; bandno++) {
9410 l_tccp_info->stepsizes_mant[bandno] = (OPJ_UINT32)l_tccp->stepsizes[bandno].mant;
9411 l_tccp_info->stepsizes_expn[bandno] = (OPJ_UINT32)l_tccp->stepsizes[bandno].expn;
9412 }
9413 }
9414
9415 /* RGN value*/
9416 l_tccp_info->roishift = l_tccp->roishift;
9417 }
9418
9419 return cstr_info;
9420 }
9421
j2k_get_cstr_index(opj_j2k_t * p_j2k)9422 opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_t* p_j2k)
9423 {
9424 opj_codestream_index_t* l_cstr_index = (opj_codestream_index_t*)
9425 opj_calloc(1,sizeof(opj_codestream_index_t));
9426 if (!l_cstr_index)
9427 return NULL;
9428
9429 l_cstr_index->main_head_start = p_j2k->cstr_index->main_head_start;
9430 l_cstr_index->main_head_end = p_j2k->cstr_index->main_head_end;
9431 l_cstr_index->codestream_size = p_j2k->cstr_index->codestream_size;
9432
9433 l_cstr_index->marknum = p_j2k->cstr_index->marknum;
9434 l_cstr_index->marker = (opj_marker_info_t*)opj_malloc(l_cstr_index->marknum*sizeof(opj_marker_info_t));
9435 if (!l_cstr_index->marker){
9436 opj_free( l_cstr_index);
9437 return NULL;
9438 }
9439
9440 if (p_j2k->cstr_index->marker)
9441 memcpy(l_cstr_index->marker, p_j2k->cstr_index->marker, l_cstr_index->marknum * sizeof(opj_marker_info_t) );
9442 else{
9443 opj_free(l_cstr_index->marker);
9444 l_cstr_index->marker = NULL;
9445 }
9446
9447 l_cstr_index->nb_of_tiles = p_j2k->cstr_index->nb_of_tiles;
9448 l_cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(l_cstr_index->nb_of_tiles, sizeof(opj_tile_index_t) );
9449 if (!l_cstr_index->tile_index){
9450 opj_free( l_cstr_index->marker);
9451 opj_free( l_cstr_index);
9452 return NULL;
9453 }
9454
9455 if (!p_j2k->cstr_index->tile_index){
9456 opj_free(l_cstr_index->tile_index);
9457 l_cstr_index->tile_index = NULL;
9458 }
9459 else {
9460 OPJ_UINT32 it_tile = 0;
9461 for (it_tile = 0; it_tile < l_cstr_index->nb_of_tiles; it_tile++ ){
9462
9463 /* Tile Marker*/
9464 l_cstr_index->tile_index[it_tile].marknum = p_j2k->cstr_index->tile_index[it_tile].marknum;
9465
9466 l_cstr_index->tile_index[it_tile].marker =
9467 (opj_marker_info_t*)opj_malloc(l_cstr_index->tile_index[it_tile].marknum*sizeof(opj_marker_info_t));
9468
9469 if (!l_cstr_index->tile_index[it_tile].marker) {
9470 OPJ_UINT32 it_tile_free;
9471
9472 for (it_tile_free=0; it_tile_free < it_tile; it_tile_free++){
9473 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
9474 }
9475
9476 opj_free( l_cstr_index->tile_index);
9477 opj_free( l_cstr_index->marker);
9478 opj_free( l_cstr_index);
9479 return NULL;
9480 }
9481
9482 if (p_j2k->cstr_index->tile_index[it_tile].marker)
9483 memcpy( l_cstr_index->tile_index[it_tile].marker,
9484 p_j2k->cstr_index->tile_index[it_tile].marker,
9485 l_cstr_index->tile_index[it_tile].marknum * sizeof(opj_marker_info_t) );
9486 else{
9487 opj_free(l_cstr_index->tile_index[it_tile].marker);
9488 l_cstr_index->tile_index[it_tile].marker = NULL;
9489 }
9490
9491 /* Tile part index*/
9492 l_cstr_index->tile_index[it_tile].nb_tps = p_j2k->cstr_index->tile_index[it_tile].nb_tps;
9493
9494 l_cstr_index->tile_index[it_tile].tp_index =
9495 (opj_tp_index_t*)opj_malloc(l_cstr_index->tile_index[it_tile].nb_tps*sizeof(opj_tp_index_t));
9496
9497 if(!l_cstr_index->tile_index[it_tile].tp_index){
9498 OPJ_UINT32 it_tile_free;
9499
9500 for (it_tile_free=0; it_tile_free < it_tile; it_tile_free++){
9501 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
9502 opj_free(l_cstr_index->tile_index[it_tile_free].tp_index);
9503 }
9504
9505 opj_free( l_cstr_index->tile_index);
9506 opj_free( l_cstr_index->marker);
9507 opj_free( l_cstr_index);
9508 return NULL;
9509 }
9510
9511 if (p_j2k->cstr_index->tile_index[it_tile].tp_index){
9512 memcpy( l_cstr_index->tile_index[it_tile].tp_index,
9513 p_j2k->cstr_index->tile_index[it_tile].tp_index,
9514 l_cstr_index->tile_index[it_tile].nb_tps * sizeof(opj_tp_index_t) );
9515 }
9516 else{
9517 opj_free(l_cstr_index->tile_index[it_tile].tp_index);
9518 l_cstr_index->tile_index[it_tile].tp_index = NULL;
9519 }
9520
9521 /* Packet index (NOT USED)*/
9522 l_cstr_index->tile_index[it_tile].nb_packet = 0;
9523 l_cstr_index->tile_index[it_tile].packet_index = NULL;
9524
9525 }
9526 }
9527
9528 return l_cstr_index;
9529 }
9530
opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t * p_j2k)9531 static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k)
9532 {
9533 OPJ_UINT32 it_tile=0;
9534
9535 p_j2k->cstr_index->nb_of_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
9536 p_j2k->cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(p_j2k->cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
9537 if (!p_j2k->cstr_index->tile_index)
9538 return OPJ_FALSE;
9539
9540 for (it_tile=0; it_tile < p_j2k->cstr_index->nb_of_tiles; it_tile++){
9541 p_j2k->cstr_index->tile_index[it_tile].maxmarknum = 100;
9542 p_j2k->cstr_index->tile_index[it_tile].marknum = 0;
9543 p_j2k->cstr_index->tile_index[it_tile].marker = (opj_marker_info_t*)
9544 opj_calloc(p_j2k->cstr_index->tile_index[it_tile].maxmarknum, sizeof(opj_marker_info_t));
9545 if (!p_j2k->cstr_index->tile_index[it_tile].marker)
9546 return OPJ_FALSE;
9547 }
9548
9549 return OPJ_TRUE;
9550 }
9551
opj_j2k_decode_tiles(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)9552 static OPJ_BOOL opj_j2k_decode_tiles ( opj_j2k_t *p_j2k,
9553 opj_stream_private_t *p_stream,
9554 opj_event_mgr_t * p_manager)
9555 {
9556 OPJ_BOOL l_go_on = OPJ_TRUE;
9557 OPJ_UINT32 l_current_tile_no;
9558 OPJ_UINT32 l_data_size,l_max_data_size;
9559 OPJ_INT32 l_tile_x0,l_tile_y0,l_tile_x1,l_tile_y1;
9560 OPJ_UINT32 l_nb_comps;
9561 OPJ_BYTE * l_current_data;
9562 OPJ_UINT32 nr_tiles = 0;
9563
9564 l_current_data = (OPJ_BYTE*)opj_malloc(1000);
9565 if (! l_current_data) {
9566 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tiles\n");
9567 return OPJ_FALSE;
9568 }
9569 l_max_data_size = 1000;
9570
9571 for (;;) {
9572 if (! opj_j2k_read_tile_header( p_j2k,
9573 &l_current_tile_no,
9574 &l_data_size,
9575 &l_tile_x0, &l_tile_y0,
9576 &l_tile_x1, &l_tile_y1,
9577 &l_nb_comps,
9578 &l_go_on,
9579 p_stream,
9580 p_manager)) {
9581 opj_free(l_current_data);
9582 return OPJ_FALSE;
9583 }
9584
9585 if (! l_go_on) {
9586 break;
9587 }
9588
9589 if (l_data_size > l_max_data_size) {
9590 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data, l_data_size);
9591 if (! l_new_current_data) {
9592 opj_free(l_current_data);
9593 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile %d/%d\n", l_current_tile_no +1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
9594 return OPJ_FALSE;
9595 }
9596 l_current_data = l_new_current_data;
9597 l_max_data_size = l_data_size;
9598 }
9599
9600 if (! opj_j2k_decode_tile(p_j2k,l_current_tile_no,l_current_data,l_data_size,p_stream,p_manager)) {
9601 opj_free(l_current_data);
9602 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile %d/%d\n", l_current_tile_no +1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
9603 return OPJ_FALSE;
9604 }
9605 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n", l_current_tile_no +1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
9606
9607 if (! opj_j2k_update_image_data(p_j2k->m_tcd,l_current_data, p_j2k->m_output_image)) {
9608 opj_free(l_current_data);
9609 return OPJ_FALSE;
9610 }
9611 opj_event_msg(p_manager, EVT_INFO, "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
9612
9613 if(opj_stream_get_number_byte_left(p_stream) == 0
9614 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC)
9615 break;
9616 if(++nr_tiles == p_j2k->m_cp.th * p_j2k->m_cp.tw)
9617 break;
9618 }
9619
9620 opj_free(l_current_data);
9621
9622 return OPJ_TRUE;
9623 }
9624
9625 /**
9626 * Sets up the procedures to do on decoding data. Developpers wanting to extend the library can add their own reading procedures.
9627 */
opj_j2k_setup_decoding(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)9628 static OPJ_BOOL opj_j2k_setup_decoding (opj_j2k_t *p_j2k, opj_event_mgr_t * p_manager)
9629 {
9630 /* preconditions*/
9631 assert(p_j2k != 00);
9632 assert(p_manager != 00);
9633
9634 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_decode_tiles, p_manager)) {
9635 return OPJ_FALSE;
9636 }
9637 /* DEVELOPER CORNER, add your custom procedures */
9638
9639 return OPJ_TRUE;
9640 }
9641
9642 /*
9643 * Read and decode one tile.
9644 */
opj_j2k_decode_one_tile(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)9645 static OPJ_BOOL opj_j2k_decode_one_tile ( opj_j2k_t *p_j2k,
9646 opj_stream_private_t *p_stream,
9647 opj_event_mgr_t * p_manager)
9648 {
9649 OPJ_BOOL l_go_on = OPJ_TRUE;
9650 OPJ_UINT32 l_current_tile_no;
9651 OPJ_UINT32 l_tile_no_to_dec;
9652 OPJ_UINT32 l_data_size,l_max_data_size;
9653 OPJ_INT32 l_tile_x0,l_tile_y0,l_tile_x1,l_tile_y1;
9654 OPJ_UINT32 l_nb_comps;
9655 OPJ_BYTE * l_current_data;
9656
9657 l_current_data = (OPJ_BYTE*)opj_malloc(1000);
9658 if (! l_current_data) {
9659 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode one tile\n");
9660 return OPJ_FALSE;
9661 }
9662 l_max_data_size = 1000;
9663
9664 /*Allocate and initialize some elements of codestrem index if not already done*/
9665 if( !p_j2k->cstr_index->tile_index)
9666 {
9667 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)){
9668 opj_free(l_current_data);
9669 return OPJ_FALSE;
9670 }
9671 }
9672 /* Move into the codestream to the first SOT used to decode the desired tile */
9673 l_tile_no_to_dec = (OPJ_UINT32)p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec;
9674 if (p_j2k->cstr_index->tile_index)
9675 if(p_j2k->cstr_index->tile_index->tp_index)
9676 {
9677 if ( ! p_j2k->cstr_index->tile_index[l_tile_no_to_dec].nb_tps) {
9678 /* the index for this tile has not been built,
9679 * so move to the last SOT read */
9680 if ( !(opj_stream_read_seek(p_stream, p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos+2, p_manager)) ){
9681 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
9682 opj_free(l_current_data);
9683 return OPJ_FALSE;
9684 }
9685 }
9686 else{
9687 if ( !(opj_stream_read_seek(p_stream, p_j2k->cstr_index->tile_index[l_tile_no_to_dec].tp_index[0].start_pos+2, p_manager)) ) {
9688 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
9689 opj_free(l_current_data);
9690 return OPJ_FALSE;
9691 }
9692 }
9693 /* Special case if we have previously read the EOC marker (if the previous tile getted is the last ) */
9694 if(p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC)
9695 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
9696 }
9697
9698 for (;;) {
9699 if (! opj_j2k_read_tile_header( p_j2k,
9700 &l_current_tile_no,
9701 &l_data_size,
9702 &l_tile_x0, &l_tile_y0,
9703 &l_tile_x1, &l_tile_y1,
9704 &l_nb_comps,
9705 &l_go_on,
9706 p_stream,
9707 p_manager)) {
9708 opj_free(l_current_data);
9709 return OPJ_FALSE;
9710 }
9711
9712 if (! l_go_on) {
9713 break;
9714 }
9715
9716 if (l_data_size > l_max_data_size) {
9717 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data, l_data_size);
9718 if (! l_new_current_data) {
9719 opj_free(l_current_data);
9720 l_current_data = NULL;
9721 /* TODO: LH: why tile numbering policy used in messages differs from
9722 the one used in opj_j2k_decode_tiles() ? */
9723 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile %d/%d\n", l_current_tile_no, (p_j2k->m_cp.th * p_j2k->m_cp.tw) - 1);
9724 return OPJ_FALSE;
9725 }
9726 l_current_data = l_new_current_data;
9727 l_max_data_size = l_data_size;
9728 }
9729
9730 if (! opj_j2k_decode_tile(p_j2k,l_current_tile_no,l_current_data,l_data_size,p_stream,p_manager)) {
9731 opj_free(l_current_data);
9732 return OPJ_FALSE;
9733 }
9734 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n", l_current_tile_no, (p_j2k->m_cp.th * p_j2k->m_cp.tw) - 1);
9735
9736 if (! opj_j2k_update_image_data(p_j2k->m_tcd,l_current_data, p_j2k->m_output_image)) {
9737 opj_free(l_current_data);
9738 return OPJ_FALSE;
9739 }
9740 opj_event_msg(p_manager, EVT_INFO, "Image data has been updated with tile %d.\n\n", l_current_tile_no);
9741
9742 if(l_current_tile_no == l_tile_no_to_dec)
9743 {
9744 /* move into the codestream to the the first SOT (FIXME or not move?)*/
9745 if (!(opj_stream_read_seek(p_stream, p_j2k->cstr_index->main_head_end + 2, p_manager) ) ) {
9746 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
9747 opj_free(l_current_data);
9748 return OPJ_FALSE;
9749 }
9750 break;
9751 }
9752 else {
9753 opj_event_msg(p_manager, EVT_WARNING, "Tile read, decode and updated is not the desired (%d vs %d).\n", l_current_tile_no, l_tile_no_to_dec);
9754 }
9755
9756 }
9757
9758 opj_free(l_current_data);
9759
9760 return OPJ_TRUE;
9761 }
9762
9763 /**
9764 * Sets up the procedures to do on decoding one tile. Developpers wanting to extend the library can add their own reading procedures.
9765 */
opj_j2k_setup_decoding_tile(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)9766 static OPJ_BOOL opj_j2k_setup_decoding_tile (opj_j2k_t *p_j2k, opj_event_mgr_t * p_manager)
9767 {
9768 /* preconditions*/
9769 assert(p_j2k != 00);
9770 assert(p_manager != 00);
9771
9772 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_decode_one_tile, p_manager)) {
9773 return OPJ_FALSE;
9774 }
9775 /* DEVELOPER CORNER, add your custom procedures */
9776
9777 return OPJ_TRUE;
9778 }
9779
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)9780 OPJ_BOOL opj_j2k_decode(opj_j2k_t * p_j2k,
9781 opj_stream_private_t * p_stream,
9782 opj_image_t * p_image,
9783 opj_event_mgr_t * p_manager)
9784 {
9785 OPJ_UINT32 compno;
9786
9787 if (!p_image)
9788 return OPJ_FALSE;
9789
9790 p_j2k->m_output_image = opj_image_create0();
9791 if (! (p_j2k->m_output_image)) {
9792 return OPJ_FALSE;
9793 }
9794 opj_copy_image_header(p_image, p_j2k->m_output_image);
9795
9796 /* customization of the decoding */
9797 opj_j2k_setup_decoding(p_j2k, p_manager);
9798
9799 /* Decode the codestream */
9800 if (! opj_j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
9801 opj_image_destroy(p_j2k->m_private_image);
9802 p_j2k->m_private_image = NULL;
9803 return OPJ_FALSE;
9804 }
9805
9806 /* Move data and copy one information from codec to output image*/
9807 for (compno = 0; compno < p_image->numcomps; compno++) {
9808 p_image->comps[compno].resno_decoded = p_j2k->m_output_image->comps[compno].resno_decoded;
9809 p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
9810 #if 0
9811 char fn[256];
9812 sprintf( fn, "/tmp/%d.raw", compno );
9813 FILE *debug = fopen( fn, "wb" );
9814 fwrite( p_image->comps[compno].data, sizeof(OPJ_INT32), p_image->comps[compno].w * p_image->comps[compno].h, debug );
9815 fclose( debug );
9816 #endif
9817 p_j2k->m_output_image->comps[compno].data = NULL;
9818 }
9819
9820 return OPJ_TRUE;
9821 }
9822
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)9823 OPJ_BOOL opj_j2k_get_tile( opj_j2k_t *p_j2k,
9824 opj_stream_private_t *p_stream,
9825 opj_image_t* p_image,
9826 opj_event_mgr_t * p_manager,
9827 OPJ_UINT32 tile_index )
9828 {
9829 OPJ_UINT32 compno;
9830 OPJ_UINT32 l_tile_x, l_tile_y;
9831 opj_image_comp_t* l_img_comp;
9832
9833 if (!p_image) {
9834 opj_event_msg(p_manager, EVT_ERROR, "We need an image previously created.\n");
9835 return OPJ_FALSE;
9836 }
9837
9838 if ( /*(tile_index < 0) &&*/ (tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th) ){
9839 opj_event_msg(p_manager, EVT_ERROR, "Tile index provided by the user is incorrect %d (max = %d) \n", tile_index, (p_j2k->m_cp.tw * p_j2k->m_cp.th) - 1);
9840 return OPJ_FALSE;
9841 }
9842
9843 /* Compute the dimension of the desired tile*/
9844 l_tile_x = tile_index % p_j2k->m_cp.tw;
9845 l_tile_y = tile_index / p_j2k->m_cp.tw;
9846
9847 p_image->x0 = l_tile_x * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
9848 if (p_image->x0 < p_j2k->m_private_image->x0)
9849 p_image->x0 = p_j2k->m_private_image->x0;
9850 p_image->x1 = (l_tile_x + 1) * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
9851 if (p_image->x1 > p_j2k->m_private_image->x1)
9852 p_image->x1 = p_j2k->m_private_image->x1;
9853
9854 p_image->y0 = l_tile_y * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
9855 if (p_image->y0 < p_j2k->m_private_image->y0)
9856 p_image->y0 = p_j2k->m_private_image->y0;
9857 p_image->y1 = (l_tile_y + 1) * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
9858 if (p_image->y1 > p_j2k->m_private_image->y1)
9859 p_image->y1 = p_j2k->m_private_image->y1;
9860
9861 l_img_comp = p_image->comps;
9862 for (compno=0; compno < p_image->numcomps; ++compno)
9863 {
9864 OPJ_INT32 l_comp_x1, l_comp_y1;
9865
9866 l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
9867
9868 l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0, (OPJ_INT32)l_img_comp->dx);
9869 l_img_comp->y0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->y0, (OPJ_INT32)l_img_comp->dy);
9870 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
9871 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
9872
9873 l_img_comp->w = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor));
9874 l_img_comp->h = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor));
9875
9876 l_img_comp++;
9877 }
9878
9879 /* Destroy the previous output image*/
9880 if (p_j2k->m_output_image)
9881 opj_image_destroy(p_j2k->m_output_image);
9882
9883 /* Create the ouput image from the information previously computed*/
9884 p_j2k->m_output_image = opj_image_create0();
9885 if (! (p_j2k->m_output_image)) {
9886 return OPJ_FALSE;
9887 }
9888 opj_copy_image_header(p_image, p_j2k->m_output_image);
9889
9890 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = (OPJ_INT32)tile_index;
9891
9892 /* customization of the decoding */
9893 opj_j2k_setup_decoding_tile(p_j2k, p_manager);
9894
9895 /* Decode the codestream */
9896 if (! opj_j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
9897 opj_image_destroy(p_j2k->m_private_image);
9898 p_j2k->m_private_image = NULL;
9899 return OPJ_FALSE;
9900 }
9901
9902 /* Move data and copy one information from codec to output image*/
9903 for (compno = 0; compno < p_image->numcomps; compno++) {
9904 p_image->comps[compno].resno_decoded = p_j2k->m_output_image->comps[compno].resno_decoded;
9905
9906 if (p_image->comps[compno].data)
9907 opj_free(p_image->comps[compno].data);
9908
9909 p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
9910
9911 p_j2k->m_output_image->comps[compno].data = NULL;
9912 }
9913
9914 return OPJ_TRUE;
9915 }
9916
opj_j2k_set_decoded_resolution_factor(opj_j2k_t * p_j2k,OPJ_UINT32 res_factor,opj_event_mgr_t * p_manager)9917 OPJ_BOOL opj_j2k_set_decoded_resolution_factor(opj_j2k_t *p_j2k,
9918 OPJ_UINT32 res_factor,
9919 opj_event_mgr_t * p_manager)
9920 {
9921 OPJ_UINT32 it_comp;
9922
9923 p_j2k->m_cp.m_specific_param.m_dec.m_reduce = res_factor;
9924
9925 if (p_j2k->m_private_image) {
9926 if (p_j2k->m_private_image->comps) {
9927 if (p_j2k->m_specific_param.m_decoder.m_default_tcp) {
9928 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps) {
9929 for (it_comp = 0 ; it_comp < p_j2k->m_private_image->numcomps; it_comp++) {
9930 OPJ_UINT32 max_res = p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[it_comp].numresolutions;
9931 if ( res_factor >= max_res){
9932 opj_event_msg(p_manager, EVT_ERROR, "Resolution factor is greater than the maximum resolution in the component.\n");
9933 return OPJ_FALSE;
9934 }
9935 p_j2k->m_private_image->comps[it_comp].factor = res_factor;
9936 }
9937 return OPJ_TRUE;
9938 }
9939 }
9940 }
9941 }
9942
9943 return OPJ_FALSE;
9944 }
9945
opj_j2k_encode(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)9946 OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
9947 opj_stream_private_t *p_stream,
9948 opj_event_mgr_t * p_manager )
9949 {
9950 OPJ_UINT32 i, j;
9951 OPJ_UINT32 l_nb_tiles;
9952 OPJ_UINT32 l_max_tile_size = 0, l_current_tile_size;
9953 OPJ_BYTE * l_current_data = 00;
9954 opj_tcd_t* p_tcd = 00;
9955
9956 /* preconditions */
9957 assert(p_j2k != 00);
9958 assert(p_stream != 00);
9959 assert(p_manager != 00);
9960
9961 p_tcd = p_j2k->m_tcd;
9962
9963 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
9964 for (i=0;i<l_nb_tiles;++i) {
9965 if (! opj_j2k_pre_write_tile(p_j2k,i,p_stream,p_manager)) {
9966 if (l_current_data) {
9967 opj_free(l_current_data);
9968 }
9969 return OPJ_FALSE;
9970 }
9971
9972 /* if we only have one tile, then simply set tile component data equal to image component data */
9973 /* otherwise, allocate the data */
9974 for (j=0;j<p_j2k->m_tcd->image->numcomps;++j) {
9975 opj_tcd_tilecomp_t* l_tilec = p_tcd->tcd_image->tiles->comps + j;
9976 if (l_nb_tiles == 1) {
9977 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
9978 l_tilec->data = l_img_comp->data;
9979 l_tilec->ownsData = OPJ_FALSE;
9980 } else {
9981 if(! opj_alloc_tile_component_data(l_tilec)) {
9982 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data." );
9983 if (l_current_data) {
9984 opj_free(l_current_data);
9985 }
9986 return OPJ_FALSE;
9987 }
9988 }
9989 }
9990 l_current_tile_size = opj_tcd_get_encoded_tile_size(p_j2k->m_tcd);
9991 if (l_nb_tiles > 1) {
9992 if (l_current_tile_size > l_max_tile_size) {
9993 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data, l_current_tile_size);
9994 if (! l_new_current_data) {
9995 if (l_current_data) {
9996 opj_free(l_current_data);
9997 }
9998 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to encode all tiles\n");
9999 return OPJ_FALSE;
10000 }
10001 l_current_data = l_new_current_data;
10002 l_max_tile_size = l_current_tile_size;
10003 }
10004
10005 /* copy image data (32 bit) to l_current_data as contiguous, all-component, zero offset buffer */
10006 /* 32 bit components @ 8 bit precision get converted to 8 bit */
10007 /* 32 bit components @ 16 bit precision get converted to 16 bit */
10008 opj_j2k_get_tile_data(p_j2k->m_tcd,l_current_data);
10009
10010 /* now copy this data into the tile component */
10011 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd,l_current_data,l_current_tile_size)) {
10012 opj_event_msg(p_manager, EVT_ERROR, "Size mismatch between tile data and sent data." );
10013 opj_free(l_current_data);
10014 return OPJ_FALSE;
10015 }
10016 }
10017
10018 if (! opj_j2k_post_write_tile (p_j2k,p_stream,p_manager)) {
10019 if (l_current_data) {
10020 opj_free(l_current_data);
10021 }
10022 return OPJ_FALSE;
10023 }
10024 }
10025
10026 if (l_current_data) {
10027 opj_free(l_current_data);
10028 }
10029 return OPJ_TRUE;
10030 }
10031
opj_j2k_end_compress(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)10032 OPJ_BOOL opj_j2k_end_compress( opj_j2k_t *p_j2k,
10033 opj_stream_private_t *p_stream,
10034 opj_event_mgr_t * p_manager)
10035 {
10036 /* customization of the encoding */
10037 if (! opj_j2k_setup_end_compress(p_j2k, p_manager)) {
10038 return OPJ_FALSE;
10039 }
10040
10041 if (! opj_j2k_exec (p_j2k, p_j2k->m_procedure_list, p_stream, p_manager))
10042 {
10043 return OPJ_FALSE;
10044 }
10045
10046 return OPJ_TRUE;
10047 }
10048
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)10049 OPJ_BOOL opj_j2k_start_compress(opj_j2k_t *p_j2k,
10050 opj_stream_private_t *p_stream,
10051 opj_image_t * p_image,
10052 opj_event_mgr_t * p_manager)
10053 {
10054 /* preconditions */
10055 assert(p_j2k != 00);
10056 assert(p_stream != 00);
10057 assert(p_manager != 00);
10058
10059 p_j2k->m_private_image = opj_image_create0();
10060 if (! p_j2k->m_private_image) {
10061 opj_event_msg(p_manager, EVT_ERROR, "Failed to allocate image header." );
10062 return OPJ_FALSE;
10063 }
10064 opj_copy_image_header(p_image, p_j2k->m_private_image);
10065
10066 /* TODO_MSD: Find a better way */
10067 if (p_image->comps) {
10068 OPJ_UINT32 it_comp;
10069 for (it_comp = 0 ; it_comp < p_image->numcomps; it_comp++) {
10070 if (p_image->comps[it_comp].data) {
10071 p_j2k->m_private_image->comps[it_comp].data =p_image->comps[it_comp].data;
10072 p_image->comps[it_comp].data = NULL;
10073
10074 }
10075 }
10076 }
10077
10078 /* customization of the validation */
10079 if (! opj_j2k_setup_encoding_validation (p_j2k, p_manager)) {
10080 return OPJ_FALSE;
10081 }
10082
10083 /* validation of the parameters codec */
10084 if (! opj_j2k_exec(p_j2k,p_j2k->m_validation_list,p_stream,p_manager)) {
10085 return OPJ_FALSE;
10086 }
10087
10088 /* customization of the encoding */
10089 if (! opj_j2k_setup_header_writing(p_j2k, p_manager)) {
10090 return OPJ_FALSE;
10091 }
10092
10093 /* write header */
10094 if (! opj_j2k_exec (p_j2k,p_j2k->m_procedure_list,p_stream,p_manager)) {
10095 return OPJ_FALSE;
10096 }
10097
10098 return OPJ_TRUE;
10099 }
10100
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)10101 static OPJ_BOOL opj_j2k_pre_write_tile ( opj_j2k_t * p_j2k,
10102 OPJ_UINT32 p_tile_index,
10103 opj_stream_private_t *p_stream,
10104 opj_event_mgr_t * p_manager )
10105 {
10106 (void)p_stream;
10107 if (p_tile_index != p_j2k->m_current_tile_number) {
10108 opj_event_msg(p_manager, EVT_ERROR, "The given tile index does not match." );
10109 return OPJ_FALSE;
10110 }
10111
10112 opj_event_msg(p_manager, EVT_INFO, "tile number %d / %d\n", p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th);
10113
10114 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0;
10115 p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts;
10116 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
10117
10118 /* initialisation before tile encoding */
10119 if (! opj_tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number, p_manager)) {
10120 return OPJ_FALSE;
10121 }
10122
10123 return OPJ_TRUE;
10124 }
10125
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)10126 static void opj_get_tile_dimensions(opj_image_t * l_image,
10127 opj_tcd_tilecomp_t * l_tilec,
10128 opj_image_comp_t * l_img_comp,
10129 OPJ_UINT32* l_size_comp,
10130 OPJ_UINT32* l_width,
10131 OPJ_UINT32* l_height,
10132 OPJ_UINT32* l_offset_x,
10133 OPJ_UINT32* l_offset_y,
10134 OPJ_UINT32* l_image_width,
10135 OPJ_UINT32* l_stride,
10136 OPJ_UINT32* l_tile_offset) {
10137 OPJ_UINT32 l_remaining;
10138 *l_size_comp = l_img_comp->prec >> 3; /* (/8) */
10139 l_remaining = l_img_comp->prec & 7; /* (%8) */
10140 if (l_remaining) {
10141 *l_size_comp += 1;
10142 }
10143
10144 if (*l_size_comp == 3) {
10145 *l_size_comp = 4;
10146 }
10147
10148 *l_width = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0);
10149 *l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0);
10150 *l_offset_x = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x0, (OPJ_INT32)l_img_comp->dx);
10151 *l_offset_y = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->y0, (OPJ_INT32)l_img_comp->dy);
10152 *l_image_width = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x1 - (OPJ_INT32)l_image->x0, (OPJ_INT32)l_img_comp->dx);
10153 *l_stride = *l_image_width - *l_width;
10154 *l_tile_offset = ((OPJ_UINT32)l_tilec->x0 - *l_offset_x) + ((OPJ_UINT32)l_tilec->y0 - *l_offset_y) * *l_image_width;
10155 }
10156
opj_j2k_get_tile_data(opj_tcd_t * p_tcd,OPJ_BYTE * p_data)10157 static void opj_j2k_get_tile_data (opj_tcd_t * p_tcd, OPJ_BYTE * p_data)
10158 {
10159 OPJ_UINT32 i,j,k = 0;
10160
10161 for (i=0;i<p_tcd->image->numcomps;++i) {
10162 opj_image_t * l_image = p_tcd->image;
10163 OPJ_INT32 * l_src_ptr;
10164 opj_tcd_tilecomp_t * l_tilec = p_tcd->tcd_image->tiles->comps + i;
10165 opj_image_comp_t * l_img_comp = l_image->comps + i;
10166 OPJ_UINT32 l_size_comp,l_width,l_height,l_offset_x,l_offset_y, l_image_width,l_stride,l_tile_offset;
10167
10168 opj_get_tile_dimensions(l_image,
10169 l_tilec,
10170 l_img_comp,
10171 &l_size_comp,
10172 &l_width,
10173 &l_height,
10174 &l_offset_x,
10175 &l_offset_y,
10176 &l_image_width,
10177 &l_stride,
10178 &l_tile_offset);
10179
10180 l_src_ptr = l_img_comp->data + l_tile_offset;
10181
10182 switch (l_size_comp) {
10183 case 1:
10184 {
10185 OPJ_CHAR * l_dest_ptr = (OPJ_CHAR*) p_data;
10186 if (l_img_comp->sgnd) {
10187 for (j=0;j<l_height;++j) {
10188 for (k=0;k<l_width;++k) {
10189 *(l_dest_ptr) = (OPJ_CHAR) (*l_src_ptr);
10190 ++l_dest_ptr;
10191 ++l_src_ptr;
10192 }
10193 l_src_ptr += l_stride;
10194 }
10195 }
10196 else {
10197 for (j=0;j<l_height;++j) {
10198 for (k=0;k<l_width;++k) {
10199 *(l_dest_ptr) = (OPJ_CHAR)((*l_src_ptr)&0xff);
10200 ++l_dest_ptr;
10201 ++l_src_ptr;
10202 }
10203 l_src_ptr += l_stride;
10204 }
10205 }
10206
10207 p_data = (OPJ_BYTE*) l_dest_ptr;
10208 }
10209 break;
10210 case 2:
10211 {
10212 OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_data;
10213 if (l_img_comp->sgnd) {
10214 for (j=0;j<l_height;++j) {
10215 for (k=0;k<l_width;++k) {
10216 *(l_dest_ptr++) = (OPJ_INT16) (*(l_src_ptr++));
10217 }
10218 l_src_ptr += l_stride;
10219 }
10220 }
10221 else {
10222 for (j=0;j<l_height;++j) {
10223 for (k=0;k<l_width;++k) {
10224 *(l_dest_ptr++) = (OPJ_INT16)((*(l_src_ptr++)) & 0xffff);
10225 }
10226 l_src_ptr += l_stride;
10227 }
10228 }
10229
10230 p_data = (OPJ_BYTE*) l_dest_ptr;
10231 }
10232 break;
10233 case 4:
10234 {
10235 OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_data;
10236 for (j=0;j<l_height;++j) {
10237 for (k=0;k<l_width;++k) {
10238 *(l_dest_ptr++) = *(l_src_ptr++);
10239 }
10240 l_src_ptr += l_stride;
10241 }
10242
10243 p_data = (OPJ_BYTE*) l_dest_ptr;
10244 }
10245 break;
10246 }
10247 }
10248 }
10249
opj_j2k_post_write_tile(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)10250 static OPJ_BOOL opj_j2k_post_write_tile ( opj_j2k_t * p_j2k,
10251 opj_stream_private_t *p_stream,
10252 opj_event_mgr_t * p_manager )
10253 {
10254 OPJ_UINT32 l_nb_bytes_written;
10255 OPJ_BYTE * l_current_data = 00;
10256 OPJ_UINT32 l_tile_size = 0;
10257 OPJ_UINT32 l_available_data;
10258
10259 /* preconditions */
10260 assert(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
10261
10262 l_tile_size = p_j2k->m_specific_param.m_encoder.m_encoded_tile_size;
10263 l_available_data = l_tile_size;
10264 l_current_data = p_j2k->m_specific_param.m_encoder.m_encoded_tile_data;
10265
10266 l_nb_bytes_written = 0;
10267 if (! opj_j2k_write_first_tile_part(p_j2k,l_current_data,&l_nb_bytes_written,l_available_data,p_stream,p_manager)) {
10268 return OPJ_FALSE;
10269 }
10270 l_current_data += l_nb_bytes_written;
10271 l_available_data -= l_nb_bytes_written;
10272
10273 l_nb_bytes_written = 0;
10274 if (! opj_j2k_write_all_tile_parts(p_j2k,l_current_data,&l_nb_bytes_written,l_available_data,p_stream,p_manager)) {
10275 return OPJ_FALSE;
10276 }
10277
10278 l_available_data -= l_nb_bytes_written;
10279 l_nb_bytes_written = l_tile_size - l_available_data;
10280
10281 if ( opj_stream_write_data( p_stream,
10282 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data,
10283 l_nb_bytes_written,p_manager) != l_nb_bytes_written) {
10284 return OPJ_FALSE;
10285 }
10286
10287 ++p_j2k->m_current_tile_number;
10288
10289 return OPJ_TRUE;
10290 }
10291
opj_j2k_setup_end_compress(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)10292 static OPJ_BOOL opj_j2k_setup_end_compress (opj_j2k_t *p_j2k, opj_event_mgr_t * p_manager)
10293 {
10294 /* preconditions */
10295 assert(p_j2k != 00);
10296 assert(p_manager != 00);
10297
10298 /* DEVELOPER CORNER, insert your custom procedures */
10299 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_eoc, p_manager)) {
10300 return OPJ_FALSE;
10301 }
10302
10303 if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) {
10304 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_updated_tlm, p_manager)) {
10305 return OPJ_FALSE;
10306 }
10307 }
10308
10309 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_epc, p_manager)) {
10310 return OPJ_FALSE;
10311 }
10312 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_end_encoding, p_manager)) {
10313 return OPJ_FALSE;
10314 }
10315 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_destroy_header_memory, p_manager)) {
10316 return OPJ_FALSE;
10317 }
10318 return OPJ_TRUE;
10319 }
10320
opj_j2k_setup_encoding_validation(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)10321 static OPJ_BOOL opj_j2k_setup_encoding_validation (opj_j2k_t *p_j2k, opj_event_mgr_t * p_manager)
10322 {
10323 /* preconditions */
10324 assert(p_j2k != 00);
10325 assert(p_manager != 00);
10326
10327 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_build_encoder, p_manager)) {
10328 return OPJ_FALSE;
10329 }
10330 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_encoding_validation, p_manager)) {
10331 return OPJ_FALSE;
10332 }
10333
10334 /* DEVELOPER CORNER, add your custom validation procedure */
10335 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list, (opj_procedure)opj_j2k_mct_validation, p_manager)) {
10336 return OPJ_FALSE;
10337 }
10338
10339 return OPJ_TRUE;
10340 }
10341
opj_j2k_setup_header_writing(opj_j2k_t * p_j2k,opj_event_mgr_t * p_manager)10342 static OPJ_BOOL opj_j2k_setup_header_writing (opj_j2k_t *p_j2k, opj_event_mgr_t * p_manager)
10343 {
10344 /* preconditions */
10345 assert(p_j2k != 00);
10346 assert(p_manager != 00);
10347
10348 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_init_info, p_manager)) {
10349 return OPJ_FALSE;
10350 }
10351 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_soc, p_manager)) {
10352 return OPJ_FALSE;
10353 }
10354 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_siz, p_manager)) {
10355 return OPJ_FALSE;
10356 }
10357 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_cod, p_manager)) {
10358 return OPJ_FALSE;
10359 }
10360 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_qcd, p_manager)) {
10361 return OPJ_FALSE;
10362 }
10363
10364 if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) {
10365 /* No need for COC or QCC, QCD and COD are used
10366 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_all_coc, p_manager)) {
10367 return OPJ_FALSE;
10368 }
10369 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_all_qcc, p_manager)) {
10370 return OPJ_FALSE;
10371 }
10372 */
10373 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_tlm, p_manager)) {
10374 return OPJ_FALSE;
10375 }
10376
10377 if (p_j2k->m_cp.rsiz == OPJ_PROFILE_CINEMA_4K) {
10378 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_poc, p_manager)) {
10379 return OPJ_FALSE;
10380 }
10381 }
10382 }
10383
10384 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_regions, p_manager)) {
10385 return OPJ_FALSE;
10386 }
10387
10388 if (p_j2k->m_cp.comment != 00) {
10389 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_com, p_manager)) {
10390 return OPJ_FALSE;
10391 }
10392 }
10393
10394 /* DEVELOPER CORNER, insert your custom procedures */
10395 if (p_j2k->m_cp.rsiz & OPJ_EXTENSION_MCT) {
10396 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_write_mct_data_group, p_manager)) {
10397 return OPJ_FALSE;
10398 }
10399 }
10400 /* End of Developer Corner */
10401
10402 if (p_j2k->cstr_index) {
10403 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_get_end_header, p_manager)) {
10404 return OPJ_FALSE;
10405 }
10406 }
10407
10408 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_create_tcd, p_manager)) {
10409 return OPJ_FALSE;
10410 }
10411 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,(opj_procedure)opj_j2k_update_rates, p_manager)) {
10412 return OPJ_FALSE;
10413 }
10414
10415 return OPJ_TRUE;
10416 }
10417
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)10418 static OPJ_BOOL opj_j2k_write_first_tile_part (opj_j2k_t *p_j2k,
10419 OPJ_BYTE * p_data,
10420 OPJ_UINT32 * p_data_written,
10421 OPJ_UINT32 p_total_data_size,
10422 opj_stream_private_t *p_stream,
10423 struct opj_event_mgr * p_manager )
10424 {
10425 OPJ_UINT32 l_nb_bytes_written = 0;
10426 OPJ_UINT32 l_current_nb_bytes_written;
10427 OPJ_BYTE * l_begin_data = 00;
10428
10429 opj_tcd_t * l_tcd = 00;
10430 opj_cp_t * l_cp = 00;
10431
10432 l_tcd = p_j2k->m_tcd;
10433 l_cp = &(p_j2k->m_cp);
10434
10435 l_tcd->cur_pino = 0;
10436
10437 /*Get number of tile parts*/
10438 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
10439
10440 /* INDEX >> */
10441 /* << INDEX */
10442
10443 l_current_nb_bytes_written = 0;
10444 l_begin_data = p_data;
10445 if (! opj_j2k_write_sot(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager))
10446 {
10447 return OPJ_FALSE;
10448 }
10449
10450 l_nb_bytes_written += l_current_nb_bytes_written;
10451 p_data += l_current_nb_bytes_written;
10452 p_total_data_size -= l_current_nb_bytes_written;
10453
10454 if (!OPJ_IS_CINEMA(l_cp->rsiz)) {
10455 #if 0
10456 for (compno = 1; compno < p_j2k->m_private_image->numcomps; compno++) {
10457 l_current_nb_bytes_written = 0;
10458 opj_j2k_write_coc_in_memory(p_j2k,compno,p_data,&l_current_nb_bytes_written,p_manager);
10459 l_nb_bytes_written += l_current_nb_bytes_written;
10460 p_data += l_current_nb_bytes_written;
10461 p_total_data_size -= l_current_nb_bytes_written;
10462
10463 l_current_nb_bytes_written = 0;
10464 opj_j2k_write_qcc_in_memory(p_j2k,compno,p_data,&l_current_nb_bytes_written,p_manager);
10465 l_nb_bytes_written += l_current_nb_bytes_written;
10466 p_data += l_current_nb_bytes_written;
10467 p_total_data_size -= l_current_nb_bytes_written;
10468 }
10469 #endif
10470
10471 if (l_cp->tcps[p_j2k->m_current_tile_number].numpocs) {
10472 l_current_nb_bytes_written = 0;
10473 opj_j2k_write_poc_in_memory(p_j2k,p_data,&l_current_nb_bytes_written,p_manager);
10474 l_nb_bytes_written += l_current_nb_bytes_written;
10475 p_data += l_current_nb_bytes_written;
10476 p_total_data_size -= l_current_nb_bytes_written;
10477 }
10478 }
10479
10480 l_current_nb_bytes_written = 0;
10481 if (! opj_j2k_write_sod(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager)) {
10482 return OPJ_FALSE;
10483 }
10484
10485 l_nb_bytes_written += l_current_nb_bytes_written;
10486 * p_data_written = l_nb_bytes_written;
10487
10488 /* Writing Psot in SOT marker */
10489 opj_write_bytes(l_begin_data + 6,l_nb_bytes_written,4); /* PSOT */
10490
10491 if (OPJ_IS_CINEMA(l_cp->rsiz)){
10492 opj_j2k_update_tlm(p_j2k,l_nb_bytes_written);
10493 }
10494
10495 return OPJ_TRUE;
10496 }
10497
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)10498 static OPJ_BOOL opj_j2k_write_all_tile_parts( opj_j2k_t *p_j2k,
10499 OPJ_BYTE * p_data,
10500 OPJ_UINT32 * p_data_written,
10501 OPJ_UINT32 p_total_data_size,
10502 opj_stream_private_t *p_stream,
10503 struct opj_event_mgr * p_manager
10504 )
10505 {
10506 OPJ_UINT32 tilepartno=0;
10507 OPJ_UINT32 l_nb_bytes_written = 0;
10508 OPJ_UINT32 l_current_nb_bytes_written;
10509 OPJ_UINT32 l_part_tile_size;
10510 OPJ_UINT32 tot_num_tp;
10511 OPJ_UINT32 pino;
10512
10513 OPJ_BYTE * l_begin_data;
10514 opj_tcp_t *l_tcp = 00;
10515 opj_tcd_t * l_tcd = 00;
10516 opj_cp_t * l_cp = 00;
10517
10518 l_tcd = p_j2k->m_tcd;
10519 l_cp = &(p_j2k->m_cp);
10520 l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
10521
10522 /*Get number of tile parts*/
10523 tot_num_tp = opj_j2k_get_num_tp(l_cp,0,p_j2k->m_current_tile_number);
10524
10525 /* start writing remaining tile parts */
10526 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
10527 for (tilepartno = 1; tilepartno < tot_num_tp ; ++tilepartno) {
10528 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
10529 l_current_nb_bytes_written = 0;
10530 l_part_tile_size = 0;
10531 l_begin_data = p_data;
10532
10533 if (! opj_j2k_write_sot(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager)) {
10534 return OPJ_FALSE;
10535 }
10536
10537 l_nb_bytes_written += l_current_nb_bytes_written;
10538 p_data += l_current_nb_bytes_written;
10539 p_total_data_size -= l_current_nb_bytes_written;
10540 l_part_tile_size += l_current_nb_bytes_written;
10541
10542 l_current_nb_bytes_written = 0;
10543 if (! opj_j2k_write_sod(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager)) {
10544 return OPJ_FALSE;
10545 }
10546
10547 p_data += l_current_nb_bytes_written;
10548 l_nb_bytes_written += l_current_nb_bytes_written;
10549 p_total_data_size -= l_current_nb_bytes_written;
10550 l_part_tile_size += l_current_nb_bytes_written;
10551
10552 /* Writing Psot in SOT marker */
10553 opj_write_bytes(l_begin_data + 6,l_part_tile_size,4); /* PSOT */
10554
10555 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
10556 opj_j2k_update_tlm(p_j2k,l_part_tile_size);
10557 }
10558
10559 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
10560 }
10561
10562 for (pino = 1; pino <= l_tcp->numpocs; ++pino) {
10563 l_tcd->cur_pino = pino;
10564
10565 /*Get number of tile parts*/
10566 tot_num_tp = opj_j2k_get_num_tp(l_cp,pino,p_j2k->m_current_tile_number);
10567 for (tilepartno = 0; tilepartno < tot_num_tp ; ++tilepartno) {
10568 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
10569 l_current_nb_bytes_written = 0;
10570 l_part_tile_size = 0;
10571 l_begin_data = p_data;
10572
10573 if (! opj_j2k_write_sot(p_j2k,p_data,&l_current_nb_bytes_written,p_stream,p_manager)) {
10574 return OPJ_FALSE;
10575 }
10576
10577 l_nb_bytes_written += l_current_nb_bytes_written;
10578 p_data += l_current_nb_bytes_written;
10579 p_total_data_size -= l_current_nb_bytes_written;
10580 l_part_tile_size += l_current_nb_bytes_written;
10581
10582 l_current_nb_bytes_written = 0;
10583
10584 if (! opj_j2k_write_sod(p_j2k,l_tcd,p_data,&l_current_nb_bytes_written,p_total_data_size,p_stream,p_manager)) {
10585 return OPJ_FALSE;
10586 }
10587
10588 l_nb_bytes_written += l_current_nb_bytes_written;
10589 p_data += l_current_nb_bytes_written;
10590 p_total_data_size -= l_current_nb_bytes_written;
10591 l_part_tile_size += l_current_nb_bytes_written;
10592
10593 /* Writing Psot in SOT marker */
10594 opj_write_bytes(l_begin_data + 6,l_part_tile_size,4); /* PSOT */
10595
10596 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
10597 opj_j2k_update_tlm(p_j2k,l_part_tile_size);
10598 }
10599
10600 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
10601 }
10602 }
10603
10604 *p_data_written = l_nb_bytes_written;
10605
10606 return OPJ_TRUE;
10607 }
10608
opj_j2k_write_updated_tlm(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)10609 static OPJ_BOOL opj_j2k_write_updated_tlm( opj_j2k_t *p_j2k,
10610 struct opj_stream_private *p_stream,
10611 struct opj_event_mgr * p_manager )
10612 {
10613 OPJ_UINT32 l_tlm_size;
10614 OPJ_OFF_T l_tlm_position, l_current_position;
10615
10616 /* preconditions */
10617 assert(p_j2k != 00);
10618 assert(p_manager != 00);
10619 assert(p_stream != 00);
10620
10621 l_tlm_size = 5 * p_j2k->m_specific_param.m_encoder.m_total_tile_parts;
10622 l_tlm_position = 6 + p_j2k->m_specific_param.m_encoder.m_tlm_start;
10623 l_current_position = opj_stream_tell(p_stream);
10624
10625 if (! opj_stream_seek(p_stream,l_tlm_position,p_manager)) {
10626 return OPJ_FALSE;
10627 }
10628
10629 if (opj_stream_write_data(p_stream,p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer,l_tlm_size,p_manager) != l_tlm_size) {
10630 return OPJ_FALSE;
10631 }
10632
10633 if (! opj_stream_seek(p_stream,l_current_position,p_manager)) {
10634 return OPJ_FALSE;
10635 }
10636
10637 return OPJ_TRUE;
10638 }
10639
opj_j2k_end_encoding(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)10640 static OPJ_BOOL opj_j2k_end_encoding( opj_j2k_t *p_j2k,
10641 struct opj_stream_private *p_stream,
10642 struct opj_event_mgr * p_manager )
10643 {
10644 /* preconditions */
10645 assert(p_j2k != 00);
10646 assert(p_manager != 00);
10647 assert(p_stream != 00);
10648
10649 opj_tcd_destroy(p_j2k->m_tcd);
10650 p_j2k->m_tcd = 00;
10651
10652 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
10653 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
10654 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 0;
10655 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 0;
10656 }
10657
10658 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
10659 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
10660 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 0;
10661 }
10662
10663 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = 0;
10664
10665 return OPJ_TRUE;
10666 }
10667
10668 /**
10669 * Destroys the memory associated with the decoding of headers.
10670 */
opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)10671 static OPJ_BOOL opj_j2k_destroy_header_memory ( opj_j2k_t * p_j2k,
10672 opj_stream_private_t *p_stream,
10673 opj_event_mgr_t * p_manager
10674 )
10675 {
10676 /* preconditions */
10677 assert(p_j2k != 00);
10678 assert(p_stream != 00);
10679 assert(p_manager != 00);
10680
10681 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
10682 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
10683 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 0;
10684 }
10685
10686 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
10687
10688 return OPJ_TRUE;
10689 }
10690
opj_j2k_init_info(opj_j2k_t * p_j2k,struct opj_stream_private * p_stream,struct opj_event_mgr * p_manager)10691 static OPJ_BOOL opj_j2k_init_info( opj_j2k_t *p_j2k,
10692 struct opj_stream_private *p_stream,
10693 struct opj_event_mgr * p_manager )
10694 {
10695 opj_codestream_info_t * l_cstr_info = 00;
10696
10697 /* preconditions */
10698 assert(p_j2k != 00);
10699 assert(p_manager != 00);
10700 assert(p_stream != 00);
10701 (void)l_cstr_info;
10702
10703 /* TODO mergeV2: check this part which use cstr_info */
10704 /*l_cstr_info = p_j2k->cstr_info;
10705
10706 if (l_cstr_info) {
10707 OPJ_UINT32 compno;
10708 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));
10709
10710 l_cstr_info->image_w = p_j2k->m_image->x1 - p_j2k->m_image->x0;
10711 l_cstr_info->image_h = p_j2k->m_image->y1 - p_j2k->m_image->y0;
10712
10713 l_cstr_info->prog = (&p_j2k->m_cp.tcps[0])->prg;
10714
10715 l_cstr_info->tw = p_j2k->m_cp.tw;
10716 l_cstr_info->th = p_j2k->m_cp.th;
10717
10718 l_cstr_info->tile_x = p_j2k->m_cp.tdx;*/ /* new version parser */
10719 /*l_cstr_info->tile_y = p_j2k->m_cp.tdy;*/ /* new version parser */
10720 /*l_cstr_info->tile_Ox = p_j2k->m_cp.tx0;*/ /* new version parser */
10721 /*l_cstr_info->tile_Oy = p_j2k->m_cp.ty0;*/ /* new version parser */
10722
10723 /*l_cstr_info->numcomps = p_j2k->m_image->numcomps;
10724
10725 l_cstr_info->numlayers = (&p_j2k->m_cp.tcps[0])->numlayers;
10726
10727 l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(p_j2k->m_image->numcomps * sizeof(OPJ_INT32));
10728
10729 for (compno=0; compno < p_j2k->m_image->numcomps; compno++) {
10730 l_cstr_info->numdecompos[compno] = (&p_j2k->m_cp.tcps[0])->tccps->numresolutions - 1;
10731 }
10732
10733 l_cstr_info->D_max = 0.0; */ /* ADD Marcela */
10734
10735 /*l_cstr_info->main_head_start = opj_stream_tell(p_stream);*/ /* position of SOC */
10736
10737 /*l_cstr_info->maxmarknum = 100;
10738 l_cstr_info->marker = (opj_marker_info_t *) opj_malloc(l_cstr_info->maxmarknum * sizeof(opj_marker_info_t));
10739 l_cstr_info->marknum = 0;
10740 }*/
10741
10742 return opj_j2k_calculate_tp(p_j2k,&(p_j2k->m_cp),&p_j2k->m_specific_param.m_encoder.m_total_tile_parts,p_j2k->m_private_image,p_manager);
10743 }
10744
10745 /**
10746 * Creates a tile-coder decoder.
10747 *
10748 * @param p_stream the stream to write data to.
10749 * @param p_j2k J2K codec.
10750 * @param p_manager the user event manager.
10751 */
opj_j2k_create_tcd(opj_j2k_t * p_j2k,opj_stream_private_t * p_stream,opj_event_mgr_t * p_manager)10752 static OPJ_BOOL opj_j2k_create_tcd( opj_j2k_t *p_j2k,
10753 opj_stream_private_t *p_stream,
10754 opj_event_mgr_t * p_manager
10755 )
10756 {
10757 /* preconditions */
10758 assert(p_j2k != 00);
10759 assert(p_manager != 00);
10760 assert(p_stream != 00);
10761
10762 p_j2k->m_tcd = opj_tcd_create(OPJ_FALSE);
10763
10764 if (! p_j2k->m_tcd) {
10765 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to create Tile Coder\n");
10766 return OPJ_FALSE;
10767 }
10768
10769 if (!opj_tcd_init(p_j2k->m_tcd,p_j2k->m_private_image,&p_j2k->m_cp)) {
10770 opj_tcd_destroy(p_j2k->m_tcd);
10771 p_j2k->m_tcd = 00;
10772 return OPJ_FALSE;
10773 }
10774
10775 return OPJ_TRUE;
10776 }
10777
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)10778 OPJ_BOOL opj_j2k_write_tile (opj_j2k_t * p_j2k,
10779 OPJ_UINT32 p_tile_index,
10780 OPJ_BYTE * p_data,
10781 OPJ_UINT32 p_data_size,
10782 opj_stream_private_t *p_stream,
10783 opj_event_mgr_t * p_manager )
10784 {
10785 if (! opj_j2k_pre_write_tile(p_j2k,p_tile_index,p_stream,p_manager)) {
10786 opj_event_msg(p_manager, EVT_ERROR, "Error while opj_j2k_pre_write_tile with tile index = %d\n", p_tile_index);
10787 return OPJ_FALSE;
10788 }
10789 else {
10790 OPJ_UINT32 j;
10791 /* Allocate data */
10792 for (j=0;j<p_j2k->m_tcd->image->numcomps;++j) {
10793 opj_tcd_tilecomp_t* l_tilec = p_j2k->m_tcd->tcd_image->tiles->comps + j;
10794
10795 if(! opj_alloc_tile_component_data(l_tilec)) {
10796 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data." );
10797 return OPJ_FALSE;
10798 }
10799 }
10800
10801 /* now copy data into the the tile component */
10802 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd,p_data,p_data_size)) {
10803 opj_event_msg(p_manager, EVT_ERROR, "Size mismatch between tile data and sent data." );
10804 return OPJ_FALSE;
10805 }
10806 if (! opj_j2k_post_write_tile(p_j2k,p_stream,p_manager)) {
10807 opj_event_msg(p_manager, EVT_ERROR, "Error while opj_j2k_post_write_tile with tile index = %d\n", p_tile_index);
10808 return OPJ_FALSE;
10809 }
10810 }
10811
10812 return OPJ_TRUE;
10813 }
10814