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comparison mupdf-source/thirdparty/openjpeg/src/lib/openjp2/j2k.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
6 *
7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8 * Copyright (c) 2002-2014, Professor Benoit Macq
9 * Copyright (c) 2001-2003, David Janssens
10 * Copyright (c) 2002-2003, Yannick Verschueren
11 * Copyright (c) 2003-2007, Francois-Olivier Devaux
12 * Copyright (c) 2003-2014, Antonin Descampe
13 * Copyright (c) 2005, Herve Drolon, FreeImage Team
14 * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
15 * Copyright (c) 2006-2007, Parvatha Elangovan
16 * Copyright (c) 2010-2011, Kaori Hagihara
17 * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
18 * Copyright (c) 2012, CS Systemes d'Information, France
19 * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
20 * All rights reserved.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the above copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
32 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
33 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
34 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
35 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
36 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
37 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
38 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
39 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGE.
42 */
43
44 #include "opj_includes.h"
45
46 /** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
47 /*@{*/
48
49 /** @name Local static functions */
50 /*@{*/
51
52 /**
53 * Sets up the procedures to do on reading header. Developers wanting to extend the library can add their own reading procedures.
54 */
55 static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
56 opj_event_mgr_t * p_manager);
57
58 /**
59 * The read header procedure.
60 */
61 static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
62 opj_stream_private_t *p_stream,
63 opj_event_mgr_t * p_manager);
64
65 /**
66 * The default encoding validation procedure without any extension.
67 *
68 * @param p_j2k the jpeg2000 codec to validate.
69 * @param p_stream the input stream to validate.
70 * @param p_manager the user event manager.
71 *
72 * @return true if the parameters are correct.
73 */
74 static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
75 opj_stream_private_t *p_stream,
76 opj_event_mgr_t * p_manager);
77
78 /**
79 * The default decoding validation procedure without any extension.
80 *
81 * @param p_j2k the jpeg2000 codec to validate.
82 * @param p_stream the input stream to validate.
83 * @param p_manager the user event manager.
84 *
85 * @return true if the parameters are correct.
86 */
87 static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t * p_j2k,
88 opj_stream_private_t *p_stream,
89 opj_event_mgr_t * p_manager);
90
91 /**
92 * Sets up the validation ,i.e. adds the procedures to launch to make sure the codec parameters
93 * are valid. Developers wanting to extend the library can add their own validation procedures.
94 */
95 static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
96 opj_event_mgr_t * p_manager);
97
98 /**
99 * Sets up the validation ,i.e. adds the procedures to launch to make sure the codec parameters
100 * are valid. Developers wanting to extend the library can add their own validation procedures.
101 */
102 static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
103 opj_event_mgr_t * p_manager);
104
105 /**
106 * Sets up the validation ,i.e. adds the procedures to launch to make sure the codec parameters
107 * are valid. Developers wanting to extend the library can add their own validation procedures.
108 */
109 static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
110 opj_event_mgr_t * p_manager);
111
112 /**
113 * The mct encoding validation procedure.
114 *
115 * @param p_j2k the jpeg2000 codec to validate.
116 * @param p_stream the input stream to validate.
117 * @param p_manager the user event manager.
118 *
119 * @return true if the parameters are correct.
120 */
121 static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
122 opj_stream_private_t *p_stream,
123 opj_event_mgr_t * p_manager);
124
125 /**
126 * Builds the tcd decoder to use to decode tile.
127 */
128 static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
129 opj_stream_private_t *p_stream,
130 opj_event_mgr_t * p_manager);
131 /**
132 * Builds the tcd encoder to use to encode tile.
133 */
134 static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
135 opj_stream_private_t *p_stream,
136 opj_event_mgr_t * p_manager);
137
138 /**
139 * Creates a tile-coder encoder.
140 *
141 * @param p_stream the stream to write data to.
142 * @param p_j2k J2K codec.
143 * @param p_manager the user event manager.
144 */
145 static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
146 opj_stream_private_t *p_stream,
147 opj_event_mgr_t * p_manager);
148
149 /**
150 * Executes the given procedures on the given codec.
151 *
152 * @param p_procedure_list the list of procedures to execute
153 * @param p_j2k the jpeg2000 codec to execute the procedures on.
154 * @param p_stream the stream to execute the procedures on.
155 * @param p_manager the user manager.
156 *
157 * @return true if all the procedures were successfully executed.
158 */
159 static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
160 opj_procedure_list_t * p_procedure_list,
161 opj_stream_private_t *p_stream,
162 opj_event_mgr_t * p_manager);
163
164 /**
165 * Updates the rates of the tcp.
166 *
167 * @param p_stream the stream to write data to.
168 * @param p_j2k J2K codec.
169 * @param p_manager the user event manager.
170 */
171 static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
172 opj_stream_private_t *p_stream,
173 opj_event_mgr_t * p_manager);
174
175 /**
176 * Copies the decoding tile parameters onto all the tile parameters.
177 * Creates also the tile decoder.
178 */
179 static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
180 opj_stream_private_t *p_stream,
181 opj_event_mgr_t * p_manager);
182
183 /**
184 * Destroys the memory associated with the decoding of headers.
185 */
186 static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
187 opj_stream_private_t *p_stream,
188 opj_event_mgr_t * p_manager);
189
190 /**
191 * Reads the lookup table containing all the marker, status and action, and returns the handler associated
192 * with the marker value.
193 * @param p_id Marker value to look up
194 *
195 * @return the handler associated with the id.
196 */
197 static const struct opj_dec_memory_marker_handler * opj_j2k_get_marker_handler(
198 OPJ_UINT32 p_id);
199
200 /**
201 * Destroys a tile coding parameter structure.
202 *
203 * @param p_tcp the tile coding parameter to destroy.
204 */
205 static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp);
206
207 /**
208 * Destroys the data inside a tile coding parameter structure.
209 *
210 * @param p_tcp the tile coding parameter which contain data to destroy.
211 */
212 static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp);
213
214 /**
215 * Destroys a coding parameter structure.
216 *
217 * @param p_cp the coding parameter to destroy.
218 */
219 static void opj_j2k_cp_destroy(opj_cp_t *p_cp);
220
221 /**
222 * Compare 2 a SPCod/ SPCoc elements, i.e. the coding style of a given component of a tile.
223 *
224 * @param p_j2k J2K codec.
225 * @param p_tile_no Tile number
226 * @param p_first_comp_no The 1st component number to compare.
227 * @param p_second_comp_no The 1st component number to compare.
228 *
229 * @return OPJ_TRUE if SPCdod are equals.
230 */
231 static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
232 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
233
234 /**
235 * Writes a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
236 *
237 * @param p_j2k J2K codec.
238 * @param p_tile_no FIXME DOC
239 * @param p_comp_no the component number to output.
240 * @param p_data FIXME DOC
241 * @param p_header_size FIXME DOC
242 * @param p_manager the user event manager.
243 *
244 * @return FIXME DOC
245 */
246 static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
247 OPJ_UINT32 p_tile_no,
248 OPJ_UINT32 p_comp_no,
249 OPJ_BYTE * p_data,
250 OPJ_UINT32 * p_header_size,
251 opj_event_mgr_t * p_manager);
252
253 /**
254 * Gets the size taken by writing a SPCod or SPCoc for the given tile and component.
255 *
256 * @param p_j2k the J2K codec.
257 * @param p_tile_no the tile index.
258 * @param p_comp_no the component being outputted.
259 *
260 * @return the number of bytes taken by the SPCod element.
261 */
262 static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
263 OPJ_UINT32 p_tile_no,
264 OPJ_UINT32 p_comp_no);
265
266 /**
267 * Reads a SPCod or SPCoc element, i.e. the coding style of a given component of a tile.
268 * @param p_j2k the jpeg2000 codec.
269 * @param compno FIXME DOC
270 * @param p_header_data the data contained in the COM box.
271 * @param p_header_size the size of the data contained in the COM marker.
272 * @param p_manager the user event manager.
273 */
274 static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
275 OPJ_UINT32 compno,
276 OPJ_BYTE * p_header_data,
277 OPJ_UINT32 * p_header_size,
278 opj_event_mgr_t * p_manager);
279
280 /**
281 * Gets the size taken by writing SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
282 *
283 * @param p_tile_no the tile index.
284 * @param p_comp_no the component being outputted.
285 * @param p_j2k the J2K codec.
286 *
287 * @return the number of bytes taken by the SPCod element.
288 */
289 static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
290 OPJ_UINT32 p_tile_no,
291 OPJ_UINT32 p_comp_no);
292
293 /**
294 * Compares 2 SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
295 *
296 * @param p_j2k J2K codec.
297 * @param p_tile_no the tile to output.
298 * @param p_first_comp_no the first component number to compare.
299 * @param p_second_comp_no the second component number to compare.
300 *
301 * @return OPJ_TRUE if equals.
302 */
303 static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
304 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
305
306
307 /**
308 * Writes a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
309 *
310 * @param p_tile_no the tile to output.
311 * @param p_comp_no the component number to output.
312 * @param p_data the data buffer.
313 * @param p_header_size pointer to the size of the data buffer, it is changed by the function.
314 * @param p_j2k J2K codec.
315 * @param p_manager the user event manager.
316 *
317 */
318 static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
319 OPJ_UINT32 p_tile_no,
320 OPJ_UINT32 p_comp_no,
321 OPJ_BYTE * p_data,
322 OPJ_UINT32 * p_header_size,
323 opj_event_mgr_t * p_manager);
324
325 /**
326 * Updates the Tile Length Marker.
327 */
328 static void opj_j2k_update_tlm(opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size);
329
330 /**
331 * Reads a SQcd or SQcc element, i.e. the quantization values of a band in the QCD or QCC.
332 *
333 * @param p_j2k J2K codec.
334 * @param compno the component number to output.
335 * @param p_header_data the data buffer.
336 * @param p_header_size pointer to the size of the data buffer, it is changed by the function.
337 * @param p_manager the user event manager.
338 *
339 */
340 static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
341 OPJ_UINT32 compno,
342 OPJ_BYTE * p_header_data,
343 OPJ_UINT32 * p_header_size,
344 opj_event_mgr_t * p_manager);
345
346 /**
347 * Copies the tile component parameters of all the component from the first tile component.
348 *
349 * @param p_j2k the J2k codec.
350 */
351 static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k);
352
353 /**
354 * Copies the tile quantization parameters of all the component from the first tile component.
355 *
356 * @param p_j2k the J2k codec.
357 */
358 static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k);
359
360 /**
361 * Reads the tiles.
362 */
363 static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
364 opj_stream_private_t *p_stream,
365 opj_event_mgr_t * p_manager);
366
367 static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
368 OPJ_UINT32 p_tile_index,
369 opj_stream_private_t *p_stream,
370 opj_event_mgr_t * p_manager);
371
372 static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
373 opj_image_t* p_output_image);
374
375 static void opj_get_tile_dimensions(opj_image_t * l_image,
376 opj_tcd_tilecomp_t * l_tilec,
377 opj_image_comp_t * l_img_comp,
378 OPJ_UINT32* l_size_comp,
379 OPJ_UINT32* l_width,
380 OPJ_UINT32* l_height,
381 OPJ_UINT32* l_offset_x,
382 OPJ_UINT32* l_offset_y,
383 OPJ_UINT32* l_image_width,
384 OPJ_UINT32* l_stride,
385 OPJ_UINT32* l_tile_offset);
386
387 static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data);
388
389 static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
390 opj_stream_private_t *p_stream,
391 opj_event_mgr_t * p_manager);
392
393 /**
394 * Sets up the procedures to do on writing header.
395 * Developers wanting to extend the library can add their own writing procedures.
396 */
397 static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
398 opj_event_mgr_t * p_manager);
399
400 static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
401 OPJ_BYTE * p_data,
402 OPJ_UINT32 * p_data_written,
403 OPJ_UINT32 total_data_size,
404 opj_stream_private_t *p_stream,
405 struct opj_event_mgr * p_manager);
406
407 static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
408 OPJ_BYTE * p_data,
409 OPJ_UINT32 * p_data_written,
410 OPJ_UINT32 total_data_size,
411 opj_stream_private_t *p_stream,
412 struct opj_event_mgr * p_manager);
413
414 /**
415 * Gets the offset of the header.
416 *
417 * @param p_stream the stream to write data to.
418 * @param p_j2k J2K codec.
419 * @param p_manager the user event manager.
420 */
421 static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
422 opj_stream_private_t *p_stream,
423 opj_event_mgr_t * p_manager);
424
425 static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k);
426
427 /*
428 * -----------------------------------------------------------------------
429 * -----------------------------------------------------------------------
430 * -----------------------------------------------------------------------
431 */
432
433 /**
434 * Writes the SOC marker (Start Of Codestream)
435 *
436 * @param p_stream the stream to write data to.
437 * @param p_j2k J2K codec.
438 * @param p_manager the user event manager.
439 */
440 static OPJ_BOOL opj_j2k_write_soc(opj_j2k_t *p_j2k,
441 opj_stream_private_t *p_stream,
442 opj_event_mgr_t * p_manager);
443
444 /**
445 * Reads a SOC marker (Start of Codestream)
446 * @param p_j2k the jpeg2000 file codec.
447 * @param p_stream XXX needs data
448 * @param p_manager the user event manager.
449 */
450 static OPJ_BOOL opj_j2k_read_soc(opj_j2k_t *p_j2k,
451 opj_stream_private_t *p_stream,
452 opj_event_mgr_t * p_manager);
453
454 /**
455 * Writes the SIZ marker (image and tile size)
456 *
457 * @param p_j2k J2K codec.
458 * @param p_stream the stream to write data to.
459 * @param p_manager the user event manager.
460 */
461 static OPJ_BOOL opj_j2k_write_siz(opj_j2k_t *p_j2k,
462 opj_stream_private_t *p_stream,
463 opj_event_mgr_t * p_manager);
464
465 /**
466 * Reads a SIZ marker (image and tile size)
467 * @param p_j2k the jpeg2000 file codec.
468 * @param p_header_data the data contained in the SIZ box.
469 * @param p_header_size the size of the data contained in the SIZ marker.
470 * @param p_manager the user event manager.
471 */
472 static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
473 OPJ_BYTE * p_header_data,
474 OPJ_UINT32 p_header_size,
475 opj_event_mgr_t * p_manager);
476
477 /**
478 * Writes the COM marker (comment)
479 *
480 * @param p_stream the stream to write data to.
481 * @param p_j2k J2K codec.
482 * @param p_manager the user event manager.
483 */
484 static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
485 opj_stream_private_t *p_stream,
486 opj_event_mgr_t * p_manager);
487
488 /**
489 * Reads a COM marker (comments)
490 * @param p_j2k the jpeg2000 file codec.
491 * @param p_header_data the data contained in the COM box.
492 * @param p_header_size the size of the data contained in the COM marker.
493 * @param p_manager the user event manager.
494 */
495 static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
496 OPJ_BYTE * p_header_data,
497 OPJ_UINT32 p_header_size,
498 opj_event_mgr_t * p_manager);
499 /**
500 * Writes the COD marker (Coding style default)
501 *
502 * @param p_stream the stream to write data to.
503 * @param p_j2k J2K codec.
504 * @param p_manager the user event manager.
505 */
506 static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
507 opj_stream_private_t *p_stream,
508 opj_event_mgr_t * p_manager);
509
510 /**
511 * Reads a COD marker (Coding style defaults)
512 * @param p_header_data the data contained in the COD box.
513 * @param p_j2k the jpeg2000 codec.
514 * @param p_header_size the size of the data contained in the COD marker.
515 * @param p_manager the user event manager.
516 */
517 static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
518 OPJ_BYTE * p_header_data,
519 OPJ_UINT32 p_header_size,
520 opj_event_mgr_t * p_manager);
521
522 /**
523 * Compares 2 COC markers (Coding style component)
524 *
525 * @param p_j2k J2K codec.
526 * @param p_first_comp_no the index of the first component to compare.
527 * @param p_second_comp_no the index of the second component to compare.
528 *
529 * @return OPJ_TRUE if equals
530 */
531 static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
532 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
533
534 /**
535 * Writes the COC marker (Coding style component)
536 *
537 * @param p_j2k J2K codec.
538 * @param p_comp_no the index of the component to output.
539 * @param p_stream the stream to write data to.
540 * @param p_manager the user event manager.
541 */
542 static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
543 OPJ_UINT32 p_comp_no,
544 opj_stream_private_t *p_stream,
545 opj_event_mgr_t * p_manager);
546
547 /**
548 * Writes the COC marker (Coding style component)
549 *
550 * @param p_j2k J2K codec.
551 * @param p_comp_no the index of the component to output.
552 * @param p_data FIXME DOC
553 * @param p_data_written FIXME DOC
554 * @param p_manager the user event manager.
555 */
556 static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
557 OPJ_UINT32 p_comp_no,
558 OPJ_BYTE * p_data,
559 OPJ_UINT32 * p_data_written,
560 opj_event_mgr_t * p_manager);
561
562 /**
563 * Gets the maximum size taken by a coc.
564 *
565 * @param p_j2k the jpeg2000 codec to use.
566 */
567 static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k);
568
569 /**
570 * Reads a COC marker (Coding Style Component)
571 * @param p_header_data the data contained in the COC box.
572 * @param p_j2k the jpeg2000 codec.
573 * @param p_header_size the size of the data contained in the COC marker.
574 * @param p_manager the user event manager.
575 */
576 static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
577 OPJ_BYTE * p_header_data,
578 OPJ_UINT32 p_header_size,
579 opj_event_mgr_t * p_manager);
580
581 /**
582 * Writes the QCD marker (quantization default)
583 *
584 * @param p_j2k J2K codec.
585 * @param p_stream the stream to write data to.
586 * @param p_manager the user event manager.
587 */
588 static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
589 opj_stream_private_t *p_stream,
590 opj_event_mgr_t * p_manager);
591
592 /**
593 * Reads a QCD marker (Quantization defaults)
594 * @param p_header_data the data contained in the QCD box.
595 * @param p_j2k the jpeg2000 codec.
596 * @param p_header_size the size of the data contained in the QCD marker.
597 * @param p_manager the user event manager.
598 */
599 static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
600 OPJ_BYTE * p_header_data,
601 OPJ_UINT32 p_header_size,
602 opj_event_mgr_t * p_manager);
603
604 /**
605 * Compare QCC markers (quantization component)
606 *
607 * @param p_j2k J2K codec.
608 * @param p_first_comp_no the index of the first component to compare.
609 * @param p_second_comp_no the index of the second component to compare.
610 *
611 * @return OPJ_TRUE if equals.
612 */
613 static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
614 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no);
615
616 /**
617 * Writes the QCC marker (quantization component)
618 *
619 * @param p_comp_no the index of the component to output.
620 * @param p_stream the stream to write data to.
621 * @param p_j2k J2K codec.
622 * @param p_manager the user event manager.
623 */
624 static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
625 OPJ_UINT32 p_comp_no,
626 opj_stream_private_t *p_stream,
627 opj_event_mgr_t * p_manager);
628
629 /**
630 * Writes the QCC marker (quantization component)
631 *
632 * @param p_j2k J2K codec.
633 * @param p_comp_no the index of the component to output.
634 * @param p_data FIXME DOC
635 * @param p_data_written the stream to write data to.
636 * @param p_manager the user event manager.
637 */
638 static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
639 OPJ_UINT32 p_comp_no,
640 OPJ_BYTE * p_data,
641 OPJ_UINT32 * p_data_written,
642 opj_event_mgr_t * p_manager);
643
644 /**
645 * Gets the maximum size taken by a qcc.
646 */
647 static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k);
648
649 /**
650 * Reads a QCC marker (Quantization component)
651 * @param p_header_data the data contained in the QCC box.
652 * @param p_j2k the jpeg2000 codec.
653 * @param p_header_size the size of the data contained in the QCC marker.
654 * @param p_manager the user event manager.
655 */
656 static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
657 OPJ_BYTE * p_header_data,
658 OPJ_UINT32 p_header_size,
659 opj_event_mgr_t * p_manager);
660 /**
661 * Writes the POC marker (Progression Order Change)
662 *
663 * @param p_stream the stream to write data to.
664 * @param p_j2k J2K codec.
665 * @param p_manager the user event manager.
666 */
667 static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
668 opj_stream_private_t *p_stream,
669 opj_event_mgr_t * p_manager);
670 /**
671 * Writes the POC marker (Progression Order Change)
672 *
673 * @param p_j2k J2K codec.
674 * @param p_data FIXME DOC
675 * @param p_data_written the stream to write data to.
676 * @param p_manager the user event manager.
677 */
678 static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
679 OPJ_BYTE * p_data,
680 OPJ_UINT32 * p_data_written,
681 opj_event_mgr_t * p_manager);
682 /**
683 * Gets the maximum size taken by the writing of a POC.
684 */
685 static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k);
686
687 /**
688 * Reads a POC marker (Progression Order Change)
689 *
690 * @param p_header_data the data contained in the POC box.
691 * @param p_j2k the jpeg2000 codec.
692 * @param p_header_size the size of the data contained in the POC marker.
693 * @param p_manager the user event manager.
694 */
695 static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
696 OPJ_BYTE * p_header_data,
697 OPJ_UINT32 p_header_size,
698 opj_event_mgr_t * p_manager);
699
700 /**
701 * Gets the maximum size taken by the toc headers of all the tile parts of any given tile.
702 */
703 static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k);
704
705 /**
706 * Gets the maximum size taken by the headers of the SOT.
707 *
708 * @param p_j2k the jpeg2000 codec to use.
709 */
710 static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k);
711
712 /**
713 * Reads a CRG marker (Component registration)
714 *
715 * @param p_header_data the data contained in the TLM box.
716 * @param p_j2k the jpeg2000 codec.
717 * @param p_header_size the size of the data contained in the TLM marker.
718 * @param p_manager the user event manager.
719 */
720 static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
721 OPJ_BYTE * p_header_data,
722 OPJ_UINT32 p_header_size,
723 opj_event_mgr_t * p_manager);
724 /**
725 * Reads a TLM marker (Tile Length Marker)
726 *
727 * @param p_header_data the data contained in the TLM box.
728 * @param p_j2k the jpeg2000 codec.
729 * @param p_header_size the size of the data contained in the TLM marker.
730 * @param p_manager the user event manager.
731 */
732 static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
733 OPJ_BYTE * p_header_data,
734 OPJ_UINT32 p_header_size,
735 opj_event_mgr_t * p_manager);
736
737 /**
738 * Writes the updated tlm.
739 *
740 * @param p_stream the stream to write data to.
741 * @param p_j2k J2K codec.
742 * @param p_manager the user event manager.
743 */
744 static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
745 opj_stream_private_t *p_stream,
746 opj_event_mgr_t * p_manager);
747
748 /**
749 * Reads a PLM marker (Packet length, main header marker)
750 *
751 * @param p_header_data the data contained in the TLM box.
752 * @param p_j2k the jpeg2000 codec.
753 * @param p_header_size the size of the data contained in the TLM marker.
754 * @param p_manager the user event manager.
755 */
756 static OPJ_BOOL opj_j2k_read_plm(opj_j2k_t *p_j2k,
757 OPJ_BYTE * p_header_data,
758 OPJ_UINT32 p_header_size,
759 opj_event_mgr_t * p_manager);
760 /**
761 * Reads a PLT marker (Packet length, tile-part header)
762 *
763 * @param p_header_data the data contained in the PLT box.
764 * @param p_j2k the jpeg2000 codec.
765 * @param p_header_size the size of the data contained in the PLT marker.
766 * @param p_manager the user event manager.
767 */
768 static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
769 OPJ_BYTE * p_header_data,
770 OPJ_UINT32 p_header_size,
771 opj_event_mgr_t * p_manager);
772
773 /**
774 * Reads a PPM marker (Packed headers, main header)
775 *
776 * @param p_header_data the data contained in the POC box.
777 * @param p_j2k the jpeg2000 codec.
778 * @param p_header_size the size of the data contained in the POC marker.
779 * @param p_manager the user event manager.
780 */
781
782 static OPJ_BOOL opj_j2k_read_ppm(
783 opj_j2k_t *p_j2k,
784 OPJ_BYTE * p_header_data,
785 OPJ_UINT32 p_header_size,
786 opj_event_mgr_t * p_manager);
787
788 /**
789 * Merges all PPM markers read (Packed headers, main header)
790 *
791 * @param p_cp main coding parameters.
792 * @param p_manager the user event manager.
793 */
794 static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager);
795
796 /**
797 * Reads a PPT marker (Packed packet headers, tile-part header)
798 *
799 * @param p_header_data the data contained in the PPT box.
800 * @param p_j2k the jpeg2000 codec.
801 * @param p_header_size the size of the data contained in the PPT marker.
802 * @param p_manager the user event manager.
803 */
804 static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
805 OPJ_BYTE * p_header_data,
806 OPJ_UINT32 p_header_size,
807 opj_event_mgr_t * p_manager);
808
809 /**
810 * Merges all PPT markers read (Packed headers, tile-part header)
811 *
812 * @param p_tcp the tile.
813 * @param p_manager the user event manager.
814 */
815 static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp,
816 opj_event_mgr_t * p_manager);
817
818
819 /**
820 * Writes the TLM marker (Tile Length Marker)
821 *
822 * @param p_stream the stream to write data to.
823 * @param p_j2k J2K codec.
824 * @param p_manager the user event manager.
825 */
826 static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
827 opj_stream_private_t *p_stream,
828 opj_event_mgr_t * p_manager);
829
830 /**
831 * Writes the SOT marker (Start of tile-part)
832 *
833 * @param p_j2k J2K codec.
834 * @param p_data Output buffer
835 * @param total_data_size Output buffer size
836 * @param p_data_written Number of bytes written into stream
837 * @param p_stream the stream to write data to.
838 * @param p_manager the user event manager.
839 */
840 static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
841 OPJ_BYTE * p_data,
842 OPJ_UINT32 total_data_size,
843 OPJ_UINT32 * p_data_written,
844 const opj_stream_private_t *p_stream,
845 opj_event_mgr_t * p_manager);
846
847 /**
848 * Reads values from a SOT marker (Start of tile-part)
849 *
850 * the j2k decoder state is not affected. No side effects, no checks except for p_header_size.
851 *
852 * @param p_header_data the data contained in the SOT marker.
853 * @param p_header_size the size of the data contained in the SOT marker.
854 * @param p_tile_no Isot.
855 * @param p_tot_len Psot.
856 * @param p_current_part TPsot.
857 * @param p_num_parts TNsot.
858 * @param p_manager the user event manager.
859 */
860 static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
861 OPJ_UINT32 p_header_size,
862 OPJ_UINT32* p_tile_no,
863 OPJ_UINT32* p_tot_len,
864 OPJ_UINT32* p_current_part,
865 OPJ_UINT32* p_num_parts,
866 opj_event_mgr_t * p_manager);
867 /**
868 * Reads a SOT marker (Start of tile-part)
869 *
870 * @param p_header_data the data contained in the SOT marker.
871 * @param p_j2k the jpeg2000 codec.
872 * @param p_header_size the size of the data contained in the PPT marker.
873 * @param p_manager the user event manager.
874 */
875 static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
876 OPJ_BYTE * p_header_data,
877 OPJ_UINT32 p_header_size,
878 opj_event_mgr_t * p_manager);
879 /**
880 * Writes the SOD marker (Start of data)
881 *
882 * This also writes optional PLT markers (before SOD)
883 *
884 * @param p_j2k J2K codec.
885 * @param p_tile_coder FIXME DOC
886 * @param p_data FIXME DOC
887 * @param p_data_written FIXME DOC
888 * @param total_data_size FIXME DOC
889 * @param p_stream the stream to write data to.
890 * @param p_manager the user event manager.
891 */
892 static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
893 opj_tcd_t * p_tile_coder,
894 OPJ_BYTE * p_data,
895 OPJ_UINT32 * p_data_written,
896 OPJ_UINT32 total_data_size,
897 const opj_stream_private_t *p_stream,
898 opj_event_mgr_t * p_manager);
899
900 /**
901 * Reads a SOD marker (Start Of Data)
902 *
903 * @param p_j2k the jpeg2000 codec.
904 * @param p_stream FIXME DOC
905 * @param p_manager the user event manager.
906 */
907 static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
908 opj_stream_private_t *p_stream,
909 opj_event_mgr_t * p_manager);
910
911 static void opj_j2k_update_tlm(opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size)
912 {
913 if (p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte) {
914 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
915 p_j2k->m_current_tile_number, 1);
916 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 1;
917 } else {
918 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
919 p_j2k->m_current_tile_number, 2);
920 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 2;
921 }
922
923 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
924 p_tile_part_size, 4); /* PSOT */
925 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 4;
926 }
927
928 /**
929 * Writes the RGN marker (Region Of Interest)
930 *
931 * @param p_tile_no the tile to output
932 * @param p_comp_no the component to output
933 * @param nb_comps the number of components
934 * @param p_stream the stream to write data to.
935 * @param p_j2k J2K codec.
936 * @param p_manager the user event manager.
937 */
938 static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
939 OPJ_UINT32 p_tile_no,
940 OPJ_UINT32 p_comp_no,
941 OPJ_UINT32 nb_comps,
942 opj_stream_private_t *p_stream,
943 opj_event_mgr_t * p_manager);
944
945 /**
946 * Reads a RGN marker (Region Of Interest)
947 *
948 * @param p_header_data the data contained in the POC box.
949 * @param p_j2k the jpeg2000 codec.
950 * @param p_header_size the size of the data contained in the POC marker.
951 * @param p_manager the user event manager.
952 */
953 static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
954 OPJ_BYTE * p_header_data,
955 OPJ_UINT32 p_header_size,
956 opj_event_mgr_t * p_manager);
957
958 /**
959 * Writes the EOC marker (End of Codestream)
960 *
961 * @param p_stream the stream to write data to.
962 * @param p_j2k J2K codec.
963 * @param p_manager the user event manager.
964 */
965 static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
966 opj_stream_private_t *p_stream,
967 opj_event_mgr_t * p_manager);
968
969 #if 0
970 /**
971 * Reads a EOC marker (End Of Codestream)
972 *
973 * @param p_j2k the jpeg2000 codec.
974 * @param p_stream FIXME DOC
975 * @param p_manager the user event manager.
976 */
977 static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
978 opj_stream_private_t *p_stream,
979 opj_event_mgr_t * p_manager);
980 #endif
981
982 /**
983 * Writes the CBD-MCT-MCC-MCO markers (Multi components transform)
984 *
985 * @param p_stream the stream to write data to.
986 * @param p_j2k J2K codec.
987 * @param p_manager the user event manager.
988 */
989 static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
990 opj_stream_private_t *p_stream,
991 opj_event_mgr_t * p_manager);
992
993 /**
994 * Inits the Info
995 *
996 * @param p_stream the stream to write data to.
997 * @param p_j2k J2K codec.
998 * @param p_manager the user event manager.
999 */
1000 static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
1001 opj_stream_private_t *p_stream,
1002 opj_event_mgr_t * p_manager);
1003
1004 /**
1005 Add main header marker information
1006 @param cstr_index Codestream information structure
1007 @param type marker type
1008 @param pos byte offset of marker segment
1009 @param len length of marker segment
1010 */
1011 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
1012 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) ;
1013 /**
1014 Add tile header marker information
1015 @param tileno tile index number
1016 @param cstr_index Codestream information structure
1017 @param type marker type
1018 @param pos byte offset of marker segment
1019 @param len length of marker segment
1020 */
1021 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
1022 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
1023 OPJ_UINT32 len);
1024
1025 /**
1026 * Reads an unknown marker
1027 *
1028 * @param p_j2k the jpeg2000 codec.
1029 * @param p_stream the stream object to read from.
1030 * @param output_marker FIXME DOC
1031 * @param p_manager the user event manager.
1032 *
1033 * @return true if the marker could be deduced.
1034 */
1035 static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
1036 opj_stream_private_t *p_stream,
1037 OPJ_UINT32 *output_marker,
1038 opj_event_mgr_t * p_manager);
1039
1040 /**
1041 * Writes the MCT marker (Multiple Component Transform)
1042 *
1043 * @param p_j2k J2K codec.
1044 * @param p_mct_record FIXME DOC
1045 * @param p_stream the stream to write data to.
1046 * @param p_manager the user event manager.
1047 */
1048 static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
1049 opj_mct_data_t * p_mct_record,
1050 opj_stream_private_t *p_stream,
1051 opj_event_mgr_t * p_manager);
1052
1053 /**
1054 * Reads a MCT marker (Multiple Component Transform)
1055 *
1056 * @param p_header_data the data contained in the MCT box.
1057 * @param p_j2k the jpeg2000 codec.
1058 * @param p_header_size the size of the data contained in the MCT marker.
1059 * @param p_manager the user event manager.
1060 */
1061 static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
1062 OPJ_BYTE * p_header_data,
1063 OPJ_UINT32 p_header_size,
1064 opj_event_mgr_t * p_manager);
1065
1066 /**
1067 * Writes the MCC marker (Multiple Component Collection)
1068 *
1069 * @param p_j2k J2K codec.
1070 * @param p_mcc_record FIXME DOC
1071 * @param p_stream the stream to write data to.
1072 * @param p_manager the user event manager.
1073 */
1074 static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
1075 opj_simple_mcc_decorrelation_data_t * p_mcc_record,
1076 opj_stream_private_t *p_stream,
1077 opj_event_mgr_t * p_manager);
1078
1079 /**
1080 * Reads a MCC marker (Multiple Component Collection)
1081 *
1082 * @param p_header_data the data contained in the MCC box.
1083 * @param p_j2k the jpeg2000 codec.
1084 * @param p_header_size the size of the data contained in the MCC marker.
1085 * @param p_manager the user event manager.
1086 */
1087 static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
1088 OPJ_BYTE * p_header_data,
1089 OPJ_UINT32 p_header_size,
1090 opj_event_mgr_t * p_manager);
1091
1092 /**
1093 * Writes the MCO marker (Multiple component transformation ordering)
1094 *
1095 * @param p_stream the stream to write data to.
1096 * @param p_j2k J2K codec.
1097 * @param p_manager the user event manager.
1098 */
1099 static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
1100 opj_stream_private_t *p_stream,
1101 opj_event_mgr_t * p_manager);
1102
1103 /**
1104 * Reads a MCO marker (Multiple Component Transform Ordering)
1105 *
1106 * @param p_header_data the data contained in the MCO box.
1107 * @param p_j2k the jpeg2000 codec.
1108 * @param p_header_size the size of the data contained in the MCO marker.
1109 * @param p_manager the user event manager.
1110 */
1111 static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
1112 OPJ_BYTE * p_header_data,
1113 OPJ_UINT32 p_header_size,
1114 opj_event_mgr_t * p_manager);
1115
1116 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
1117 OPJ_UINT32 p_index);
1118
1119 static void opj_j2k_read_int16_to_float(const void * p_src_data,
1120 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1121 static void opj_j2k_read_int32_to_float(const void * p_src_data,
1122 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1123 static void opj_j2k_read_float32_to_float(const void * p_src_data,
1124 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1125 static void opj_j2k_read_float64_to_float(const void * p_src_data,
1126 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1127
1128 static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1129 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1130 static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1131 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1132 static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1133 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1134 static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1135 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1136
1137 static void opj_j2k_write_float_to_int16(const void * p_src_data,
1138 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1139 static void opj_j2k_write_float_to_int32(const void * p_src_data,
1140 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1141 static void opj_j2k_write_float_to_float(const void * p_src_data,
1142 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1143 static void opj_j2k_write_float_to_float64(const void * p_src_data,
1144 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1145
1146 /**
1147 * Ends the encoding, i.e. frees memory.
1148 *
1149 * @param p_stream the stream to write data to.
1150 * @param p_j2k J2K codec.
1151 * @param p_manager the user event manager.
1152 */
1153 static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
1154 opj_stream_private_t *p_stream,
1155 opj_event_mgr_t * p_manager);
1156
1157 /**
1158 * Writes the CBD marker (Component bit depth definition)
1159 *
1160 * @param p_stream the stream to write data to.
1161 * @param p_j2k J2K codec.
1162 * @param p_manager the user event manager.
1163 */
1164 static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
1165 opj_stream_private_t *p_stream,
1166 opj_event_mgr_t * p_manager);
1167
1168 /**
1169 * Reads a CBD marker (Component bit depth definition)
1170 * @param p_header_data the data contained in the CBD box.
1171 * @param p_j2k the jpeg2000 codec.
1172 * @param p_header_size the size of the data contained in the CBD marker.
1173 * @param p_manager the user event manager.
1174 */
1175 static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
1176 OPJ_BYTE * p_header_data,
1177 OPJ_UINT32 p_header_size,
1178 opj_event_mgr_t * p_manager);
1179
1180 /**
1181 * Reads a CAP marker (extended capabilities definition). Empty implementation.
1182 * Found in HTJ2K files
1183 *
1184 * @param p_header_data the data contained in the CAP box.
1185 * @param p_j2k the jpeg2000 codec.
1186 * @param p_header_size the size of the data contained in the CAP marker.
1187 * @param p_manager the user event manager.
1188 */
1189 static OPJ_BOOL opj_j2k_read_cap(opj_j2k_t *p_j2k,
1190 OPJ_BYTE * p_header_data,
1191 OPJ_UINT32 p_header_size,
1192 opj_event_mgr_t * p_manager);
1193
1194 /**
1195 * Reads a CPF marker (corresponding profile). Empty implementation. Found in HTJ2K files
1196 * @param p_header_data the data contained in the CPF box.
1197 * @param p_j2k the jpeg2000 codec.
1198 * @param p_header_size the size of the data contained in the CPF marker.
1199 * @param p_manager the user event manager.
1200 */
1201 static OPJ_BOOL opj_j2k_read_cpf(opj_j2k_t *p_j2k,
1202 OPJ_BYTE * p_header_data,
1203 OPJ_UINT32 p_header_size,
1204 opj_event_mgr_t * p_manager);
1205
1206
1207 /**
1208 * Writes COC marker for each component.
1209 *
1210 * @param p_stream the stream to write data to.
1211 * @param p_j2k J2K codec.
1212 * @param p_manager the user event manager.
1213 */
1214 static OPJ_BOOL opj_j2k_write_all_coc(opj_j2k_t *p_j2k,
1215 opj_stream_private_t *p_stream,
1216 opj_event_mgr_t * p_manager);
1217
1218 /**
1219 * Writes QCC marker for each component.
1220 *
1221 * @param p_stream the stream to write data to.
1222 * @param p_j2k J2K codec.
1223 * @param p_manager the user event manager.
1224 */
1225 static OPJ_BOOL opj_j2k_write_all_qcc(opj_j2k_t *p_j2k,
1226 opj_stream_private_t *p_stream,
1227 opj_event_mgr_t * p_manager);
1228
1229 /**
1230 * Writes regions of interests.
1231 *
1232 * @param p_stream the stream to write data to.
1233 * @param p_j2k J2K codec.
1234 * @param p_manager the user event manager.
1235 */
1236 static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
1237 opj_stream_private_t *p_stream,
1238 opj_event_mgr_t * p_manager);
1239
1240 /**
1241 * Writes EPC ????
1242 *
1243 * @param p_stream the stream to write data to.
1244 * @param p_j2k J2K codec.
1245 * @param p_manager the user event manager.
1246 */
1247 static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
1248 opj_stream_private_t *p_stream,
1249 opj_event_mgr_t * p_manager);
1250
1251 /**
1252 * Checks the progression order changes values. Tells of the poc given as input are valid.
1253 * A nice message is outputted at errors.
1254 *
1255 * @param p_pocs the progression order changes.
1256 * @param tileno the tile number of interest
1257 * @param p_nb_pocs the number of progression order changes.
1258 * @param p_nb_resolutions the number of resolutions.
1259 * @param numcomps the number of components
1260 * @param numlayers the number of layers.
1261 * @param p_manager the user event manager.
1262 *
1263 * @return true if the pocs are valid.
1264 */
1265 static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
1266 OPJ_UINT32 tileno,
1267 OPJ_UINT32 p_nb_pocs,
1268 OPJ_UINT32 p_nb_resolutions,
1269 OPJ_UINT32 numcomps,
1270 OPJ_UINT32 numlayers,
1271 opj_event_mgr_t * p_manager);
1272
1273 /**
1274 * Gets the number of tile parts used for the given change of progression (if any) and the given tile.
1275 *
1276 * @param cp the coding parameters.
1277 * @param pino the offset of the given poc (i.e. its position in the coding parameter).
1278 * @param tileno the given tile.
1279 *
1280 * @return the number of tile parts.
1281 */
1282 static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
1283 OPJ_UINT32 tileno);
1284
1285 /**
1286 * Calculates the total number of tile parts needed by the encoder to
1287 * encode such an image. If not enough memory is available, then the function return false.
1288 *
1289 * @param p_nb_tiles pointer that will hold the number of tile parts.
1290 * @param cp the coding parameters for the image.
1291 * @param image the image to encode.
1292 * @param p_j2k the p_j2k encoder.
1293 * @param p_manager the user event manager.
1294 *
1295 * @return true if the function was successful, false else.
1296 */
1297 static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
1298 opj_cp_t *cp,
1299 OPJ_UINT32 * p_nb_tiles,
1300 opj_image_t *image,
1301 opj_event_mgr_t * p_manager);
1302
1303 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream);
1304
1305 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream);
1306
1307 static opj_codestream_index_t* opj_j2k_create_cstr_index(void);
1308
1309 static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp);
1310
1311 static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp);
1312
1313 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres);
1314
1315 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
1316 opj_image_t *image, opj_event_mgr_t *p_manager);
1317
1318 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
1319 opj_event_mgr_t *p_manager);
1320
1321 static void opj_j2k_set_imf_parameters(opj_cparameters_t *parameters,
1322 opj_image_t *image, opj_event_mgr_t *p_manager);
1323
1324 static OPJ_BOOL opj_j2k_is_imf_compliant(opj_cparameters_t *parameters,
1325 opj_image_t *image,
1326 opj_event_mgr_t *p_manager);
1327
1328 /**
1329 * Checks for invalid number of tile-parts in SOT marker (TPsot==TNsot). See issue 254.
1330 *
1331 * @param p_stream the stream to read data from.
1332 * @param tile_no tile number we're looking for.
1333 * @param p_correction_needed output value. if true, non conformant codestream needs TNsot correction.
1334 * @param p_manager the user event manager.
1335 *
1336 * @return true if the function was successful, false else.
1337 */
1338 static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
1339 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
1340 opj_event_mgr_t * p_manager);
1341
1342 /*@}*/
1343
1344 /*@}*/
1345
1346 /* ----------------------------------------------------------------------- */
1347 typedef struct j2k_prog_order {
1348 OPJ_PROG_ORDER enum_prog;
1349 char str_prog[5];
1350 } j2k_prog_order_t;
1351
1352 static const j2k_prog_order_t j2k_prog_order_list[] = {
1353 {OPJ_CPRL, "CPRL"},
1354 {OPJ_LRCP, "LRCP"},
1355 {OPJ_PCRL, "PCRL"},
1356 {OPJ_RLCP, "RLCP"},
1357 {OPJ_RPCL, "RPCL"},
1358 {(OPJ_PROG_ORDER) - 1, ""}
1359 };
1360
1361 /**
1362 * FIXME DOC
1363 */
1364 static const OPJ_UINT32 MCT_ELEMENT_SIZE [] = {
1365 2,
1366 4,
1367 4,
1368 8
1369 };
1370
1371 typedef void (* opj_j2k_mct_function)(const void * p_src_data,
1372 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1373
1374 static const opj_j2k_mct_function j2k_mct_read_functions_to_float [] = {
1375 opj_j2k_read_int16_to_float,
1376 opj_j2k_read_int32_to_float,
1377 opj_j2k_read_float32_to_float,
1378 opj_j2k_read_float64_to_float
1379 };
1380
1381 static const opj_j2k_mct_function j2k_mct_read_functions_to_int32 [] = {
1382 opj_j2k_read_int16_to_int32,
1383 opj_j2k_read_int32_to_int32,
1384 opj_j2k_read_float32_to_int32,
1385 opj_j2k_read_float64_to_int32
1386 };
1387
1388 static const opj_j2k_mct_function j2k_mct_write_functions_from_float [] = {
1389 opj_j2k_write_float_to_int16,
1390 opj_j2k_write_float_to_int32,
1391 opj_j2k_write_float_to_float,
1392 opj_j2k_write_float_to_float64
1393 };
1394
1395 typedef struct opj_dec_memory_marker_handler {
1396 /** marker value */
1397 OPJ_UINT32 id;
1398 /** value of the state when the marker can appear */
1399 OPJ_UINT32 states;
1400 /** action linked to the marker */
1401 OPJ_BOOL(*handler)(opj_j2k_t *p_j2k,
1402 OPJ_BYTE * p_header_data,
1403 OPJ_UINT32 p_header_size,
1404 opj_event_mgr_t * p_manager);
1405 }
1406 opj_dec_memory_marker_handler_t;
1407
1408 static const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab [] =
1409 {
1410 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, opj_j2k_read_sot},
1411 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_cod},
1412 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_coc},
1413 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_rgn},
1414 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcd},
1415 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcc},
1416 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_poc},
1417 {J2K_MS_SIZ, J2K_STATE_MHSIZ, opj_j2k_read_siz},
1418 {J2K_MS_TLM, J2K_STATE_MH, opj_j2k_read_tlm},
1419 {J2K_MS_PLM, J2K_STATE_MH, opj_j2k_read_plm},
1420 {J2K_MS_PLT, J2K_STATE_TPH, opj_j2k_read_plt},
1421 {J2K_MS_PPM, J2K_STATE_MH, opj_j2k_read_ppm},
1422 {J2K_MS_PPT, J2K_STATE_TPH, opj_j2k_read_ppt},
1423 {J2K_MS_SOP, 0, 0},
1424 {J2K_MS_CRG, J2K_STATE_MH, opj_j2k_read_crg},
1425 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_com},
1426 {J2K_MS_MCT, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mct},
1427 {J2K_MS_CBD, J2K_STATE_MH, opj_j2k_read_cbd},
1428 {J2K_MS_CAP, J2K_STATE_MH, opj_j2k_read_cap},
1429 {J2K_MS_CPF, J2K_STATE_MH, opj_j2k_read_cpf},
1430 {J2K_MS_MCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mcc},
1431 {J2K_MS_MCO, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mco},
1432 #ifdef USE_JPWL
1433 #ifdef TODO_MS /* remove these functions which are not compatible with the v2 API */
1434 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1435 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1436 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1437 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1438 #endif
1439 #endif /* USE_JPWL */
1440 #ifdef USE_JPSEC
1441 {J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec},
1442 {J2K_MS_INSEC, 0, j2k_read_insec}
1443 #endif /* USE_JPSEC */
1444 {J2K_MS_UNK, J2K_STATE_MH | J2K_STATE_TPH, 0}/*opj_j2k_read_unk is directly used*/
1445 };
1446
1447 static void opj_j2k_read_int16_to_float(const void * p_src_data,
1448 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1449 {
1450 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1451 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1452 OPJ_UINT32 i;
1453 OPJ_UINT32 l_temp;
1454
1455 for (i = 0; i < p_nb_elem; ++i) {
1456 opj_read_bytes(l_src_data, &l_temp, 2);
1457
1458 l_src_data += sizeof(OPJ_INT16);
1459
1460 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1461 }
1462 }
1463
1464 static void opj_j2k_read_int32_to_float(const void * p_src_data,
1465 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1466 {
1467 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1468 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1469 OPJ_UINT32 i;
1470 OPJ_UINT32 l_temp;
1471
1472 for (i = 0; i < p_nb_elem; ++i) {
1473 opj_read_bytes(l_src_data, &l_temp, 4);
1474
1475 l_src_data += sizeof(OPJ_INT32);
1476
1477 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1478 }
1479 }
1480
1481 static void opj_j2k_read_float32_to_float(const void * p_src_data,
1482 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1483 {
1484 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1485 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1486 OPJ_UINT32 i;
1487 OPJ_FLOAT32 l_temp;
1488
1489 for (i = 0; i < p_nb_elem; ++i) {
1490 opj_read_float(l_src_data, &l_temp);
1491
1492 l_src_data += sizeof(OPJ_FLOAT32);
1493
1494 *(l_dest_data++) = l_temp;
1495 }
1496 }
1497
1498 static void opj_j2k_read_float64_to_float(const void * p_src_data,
1499 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1500 {
1501 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1502 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1503 OPJ_UINT32 i;
1504 OPJ_FLOAT64 l_temp;
1505
1506 for (i = 0; i < p_nb_elem; ++i) {
1507 opj_read_double(l_src_data, &l_temp);
1508
1509 l_src_data += sizeof(OPJ_FLOAT64);
1510
1511 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1512 }
1513 }
1514
1515 static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1516 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1517 {
1518 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1519 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1520 OPJ_UINT32 i;
1521 OPJ_UINT32 l_temp;
1522
1523 for (i = 0; i < p_nb_elem; ++i) {
1524 opj_read_bytes(l_src_data, &l_temp, 2);
1525
1526 l_src_data += sizeof(OPJ_INT16);
1527
1528 *(l_dest_data++) = (OPJ_INT32) l_temp;
1529 }
1530 }
1531
1532 static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1533 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1534 {
1535 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1536 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1537 OPJ_UINT32 i;
1538 OPJ_UINT32 l_temp;
1539
1540 for (i = 0; i < p_nb_elem; ++i) {
1541 opj_read_bytes(l_src_data, &l_temp, 4);
1542
1543 l_src_data += sizeof(OPJ_INT32);
1544
1545 *(l_dest_data++) = (OPJ_INT32) l_temp;
1546 }
1547 }
1548
1549 static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1550 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1551 {
1552 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1553 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1554 OPJ_UINT32 i;
1555 OPJ_FLOAT32 l_temp;
1556
1557 for (i = 0; i < p_nb_elem; ++i) {
1558 opj_read_float(l_src_data, &l_temp);
1559
1560 l_src_data += sizeof(OPJ_FLOAT32);
1561
1562 *(l_dest_data++) = (OPJ_INT32) l_temp;
1563 }
1564 }
1565
1566 static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1567 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1568 {
1569 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1570 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1571 OPJ_UINT32 i;
1572 OPJ_FLOAT64 l_temp;
1573
1574 for (i = 0; i < p_nb_elem; ++i) {
1575 opj_read_double(l_src_data, &l_temp);
1576
1577 l_src_data += sizeof(OPJ_FLOAT64);
1578
1579 *(l_dest_data++) = (OPJ_INT32) l_temp;
1580 }
1581 }
1582
1583 static void opj_j2k_write_float_to_int16(const void * p_src_data,
1584 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1585 {
1586 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1587 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1588 OPJ_UINT32 i;
1589 OPJ_UINT32 l_temp;
1590
1591 for (i = 0; i < p_nb_elem; ++i) {
1592 l_temp = (OPJ_UINT32) * (l_src_data++);
1593
1594 opj_write_bytes(l_dest_data, l_temp, sizeof(OPJ_INT16));
1595
1596 l_dest_data += sizeof(OPJ_INT16);
1597 }
1598 }
1599
1600 static void opj_j2k_write_float_to_int32(const void * p_src_data,
1601 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1602 {
1603 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1604 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1605 OPJ_UINT32 i;
1606 OPJ_UINT32 l_temp;
1607
1608 for (i = 0; i < p_nb_elem; ++i) {
1609 l_temp = (OPJ_UINT32) * (l_src_data++);
1610
1611 opj_write_bytes(l_dest_data, l_temp, sizeof(OPJ_INT32));
1612
1613 l_dest_data += sizeof(OPJ_INT32);
1614 }
1615 }
1616
1617 static void opj_j2k_write_float_to_float(const void * p_src_data,
1618 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1619 {
1620 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1621 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1622 OPJ_UINT32 i;
1623 OPJ_FLOAT32 l_temp;
1624
1625 for (i = 0; i < p_nb_elem; ++i) {
1626 l_temp = (OPJ_FLOAT32) * (l_src_data++);
1627
1628 opj_write_float(l_dest_data, l_temp);
1629
1630 l_dest_data += sizeof(OPJ_FLOAT32);
1631 }
1632 }
1633
1634 static void opj_j2k_write_float_to_float64(const void * p_src_data,
1635 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1636 {
1637 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1638 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1639 OPJ_UINT32 i;
1640 OPJ_FLOAT64 l_temp;
1641
1642 for (i = 0; i < p_nb_elem; ++i) {
1643 l_temp = (OPJ_FLOAT64) * (l_src_data++);
1644
1645 opj_write_double(l_dest_data, l_temp);
1646
1647 l_dest_data += sizeof(OPJ_FLOAT64);
1648 }
1649 }
1650
1651 const char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)
1652 {
1653 const j2k_prog_order_t *po;
1654 for (po = j2k_prog_order_list; po->enum_prog != -1; po++) {
1655 if (po->enum_prog == prg_order) {
1656 return po->str_prog;
1657 }
1658 }
1659 return po->str_prog;
1660 }
1661
1662 static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
1663 OPJ_UINT32 tileno,
1664 OPJ_UINT32 p_nb_pocs,
1665 OPJ_UINT32 p_nb_resolutions,
1666 OPJ_UINT32 p_num_comps,
1667 OPJ_UINT32 p_num_layers,
1668 opj_event_mgr_t * p_manager)
1669 {
1670 OPJ_UINT32* packet_array;
1671 OPJ_UINT32 index, resno, compno, layno;
1672 OPJ_UINT32 i;
1673 OPJ_UINT32 step_c = 1;
1674 OPJ_UINT32 step_r = p_num_comps * step_c;
1675 OPJ_UINT32 step_l = p_nb_resolutions * step_r;
1676 OPJ_BOOL loss = OPJ_FALSE;
1677
1678 assert(p_nb_pocs > 0);
1679
1680 packet_array = (OPJ_UINT32*) opj_calloc((size_t)step_l * p_num_layers,
1681 sizeof(OPJ_UINT32));
1682 if (packet_array == 00) {
1683 opj_event_msg(p_manager, EVT_ERROR,
1684 "Not enough memory for checking the poc values.\n");
1685 return OPJ_FALSE;
1686 }
1687
1688 /* iterate through all the pocs that match our tile of interest. */
1689 for (i = 0; i < p_nb_pocs; ++i) {
1690 const opj_poc_t *poc = &p_pocs[i];
1691 if (tileno + 1 == poc->tile) {
1692 index = step_r * poc->resno0;
1693
1694 /* take each resolution for each poc */
1695 for (resno = poc->resno0 ;
1696 resno < opj_uint_min(poc->resno1, p_nb_resolutions); ++resno) {
1697 OPJ_UINT32 res_index = index + poc->compno0 * step_c;
1698
1699 /* take each comp of each resolution for each poc */
1700 for (compno = poc->compno0 ;
1701 compno < opj_uint_min(poc->compno1, p_num_comps); ++compno) {
1702 /* The layer index always starts at zero for every progression. */
1703 const OPJ_UINT32 layno0 = 0;
1704 OPJ_UINT32 comp_index = res_index + layno0 * step_l;
1705
1706 /* and finally take each layer of each res of ... */
1707 for (layno = layno0; layno < opj_uint_min(poc->layno1, p_num_layers);
1708 ++layno) {
1709 packet_array[comp_index] = 1;
1710 comp_index += step_l;
1711 }
1712
1713 res_index += step_c;
1714 }
1715
1716 index += step_r;
1717 }
1718 }
1719 }
1720
1721 index = 0;
1722 for (layno = 0; layno < p_num_layers ; ++layno) {
1723 for (resno = 0; resno < p_nb_resolutions; ++resno) {
1724 for (compno = 0; compno < p_num_comps; ++compno) {
1725 loss |= (packet_array[index] != 1);
1726 #ifdef DEBUG_VERBOSE
1727 if (packet_array[index] != 1) {
1728 fprintf(stderr,
1729 "Missing packet in POC: layno=%d resno=%d compno=%d\n",
1730 layno, resno, compno);
1731 }
1732 #endif
1733 index += step_c;
1734 }
1735 }
1736 }
1737
1738 if (loss) {
1739 opj_event_msg(p_manager, EVT_ERROR, "Missing packets possible loss of data\n");
1740 }
1741
1742 opj_free(packet_array);
1743
1744 return !loss;
1745 }
1746
1747 /* ----------------------------------------------------------------------- */
1748
1749 static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
1750 OPJ_UINT32 tileno)
1751 {
1752 const OPJ_CHAR *prog = 00;
1753 OPJ_INT32 i;
1754 OPJ_UINT32 tpnum = 1;
1755 opj_tcp_t *tcp = 00;
1756 opj_poc_t * l_current_poc = 00;
1757
1758 /* preconditions */
1759 assert(tileno < (cp->tw * cp->th));
1760 assert(pino < (cp->tcps[tileno].numpocs + 1));
1761
1762 /* get the given tile coding parameter */
1763 tcp = &cp->tcps[tileno];
1764 assert(tcp != 00);
1765
1766 l_current_poc = &(tcp->pocs[pino]);
1767 assert(l_current_poc != 0);
1768
1769 /* get the progression order as a character string */
1770 prog = opj_j2k_convert_progression_order(tcp->prg);
1771 assert(strlen(prog) > 0);
1772
1773 if (cp->m_specific_param.m_enc.m_tp_on == 1) {
1774 for (i = 0; i < 4; ++i) {
1775 switch (prog[i]) {
1776 /* component wise */
1777 case 'C':
1778 tpnum *= l_current_poc->compE;
1779 break;
1780 /* resolution wise */
1781 case 'R':
1782 tpnum *= l_current_poc->resE;
1783 break;
1784 /* precinct wise */
1785 case 'P':
1786 tpnum *= l_current_poc->prcE;
1787 break;
1788 /* layer wise */
1789 case 'L':
1790 tpnum *= l_current_poc->layE;
1791 break;
1792 }
1793 /* would we split here ? */
1794 if (cp->m_specific_param.m_enc.m_tp_flag == prog[i]) {
1795 cp->m_specific_param.m_enc.m_tp_pos = i;
1796 break;
1797 }
1798 }
1799 } else {
1800 tpnum = 1;
1801 }
1802
1803 return tpnum;
1804 }
1805
1806 static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
1807 opj_cp_t *cp,
1808 OPJ_UINT32 * p_nb_tiles,
1809 opj_image_t *image,
1810 opj_event_mgr_t * p_manager
1811 )
1812 {
1813 OPJ_UINT32 pino, tileno;
1814 OPJ_UINT32 l_nb_tiles;
1815 opj_tcp_t *tcp;
1816
1817 /* preconditions */
1818 assert(p_nb_tiles != 00);
1819 assert(cp != 00);
1820 assert(image != 00);
1821 assert(p_j2k != 00);
1822 assert(p_manager != 00);
1823
1824 OPJ_UNUSED(p_j2k);
1825 OPJ_UNUSED(p_manager);
1826
1827 l_nb_tiles = cp->tw * cp->th;
1828 * p_nb_tiles = 0;
1829 tcp = cp->tcps;
1830
1831 /* INDEX >> */
1832 /* TODO mergeV2: check this part which use cstr_info */
1833 /*if (p_j2k->cstr_info) {
1834 opj_tile_info_t * l_info_tile_ptr = p_j2k->cstr_info->tile;
1835
1836 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1837 OPJ_UINT32 cur_totnum_tp = 0;
1838
1839 opj_pi_update_encoding_parameters(image,cp,tileno);
1840
1841 for (pino = 0; pino <= tcp->numpocs; ++pino)
1842 {
1843 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp,pino,tileno);
1844
1845 *p_nb_tiles = *p_nb_tiles + tp_num;
1846
1847 cur_totnum_tp += tp_num;
1848 }
1849
1850 tcp->m_nb_tile_parts = cur_totnum_tp;
1851
1852 l_info_tile_ptr->tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
1853 if (l_info_tile_ptr->tp == 00) {
1854 return OPJ_FALSE;
1855 }
1856
1857 memset(l_info_tile_ptr->tp,0,cur_totnum_tp * sizeof(opj_tp_info_t));
1858
1859 l_info_tile_ptr->num_tps = cur_totnum_tp;
1860
1861 ++l_info_tile_ptr;
1862 ++tcp;
1863 }
1864 }
1865 else */{
1866 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1867 OPJ_UINT32 cur_totnum_tp = 0;
1868
1869 opj_pi_update_encoding_parameters(image, cp, tileno);
1870
1871 for (pino = 0; pino <= tcp->numpocs; ++pino) {
1872 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp, pino, tileno);
1873
1874 *p_nb_tiles = *p_nb_tiles + tp_num;
1875
1876 cur_totnum_tp += tp_num;
1877 }
1878 tcp->m_nb_tile_parts = cur_totnum_tp;
1879
1880 ++tcp;
1881 }
1882 }
1883
1884 return OPJ_TRUE;
1885 }
1886
1887 static OPJ_BOOL opj_j2k_write_soc(opj_j2k_t *p_j2k,
1888 opj_stream_private_t *p_stream,
1889 opj_event_mgr_t * p_manager)
1890 {
1891 /* 2 bytes will be written */
1892 OPJ_BYTE * l_start_stream = 00;
1893
1894 /* preconditions */
1895 assert(p_stream != 00);
1896 assert(p_j2k != 00);
1897 assert(p_manager != 00);
1898
1899 l_start_stream = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
1900
1901 /* write SOC identifier */
1902 opj_write_bytes(l_start_stream, J2K_MS_SOC, 2);
1903
1904 if (opj_stream_write_data(p_stream, l_start_stream, 2, p_manager) != 2) {
1905 return OPJ_FALSE;
1906 }
1907
1908 /* UniPG>> */
1909 #ifdef USE_JPWL
1910 /* update markers struct */
1911 /*
1912 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOC, p_stream_tell(p_stream) - 2, 2);
1913 */
1914 assert(0 && "TODO");
1915 #endif /* USE_JPWL */
1916 /* <<UniPG */
1917
1918 return OPJ_TRUE;
1919 }
1920
1921 /**
1922 * Reads a SOC marker (Start of Codestream)
1923 * @param p_j2k the jpeg2000 file codec.
1924 * @param p_stream FIXME DOC
1925 * @param p_manager the user event manager.
1926 */
1927 static OPJ_BOOL opj_j2k_read_soc(opj_j2k_t *p_j2k,
1928 opj_stream_private_t *p_stream,
1929 opj_event_mgr_t * p_manager
1930 )
1931 {
1932 OPJ_BYTE l_data [2];
1933 OPJ_UINT32 l_marker;
1934
1935 /* preconditions */
1936 assert(p_j2k != 00);
1937 assert(p_manager != 00);
1938 assert(p_stream != 00);
1939
1940 if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
1941 return OPJ_FALSE;
1942 }
1943
1944 opj_read_bytes(l_data, &l_marker, 2);
1945 if (l_marker != J2K_MS_SOC) {
1946 return OPJ_FALSE;
1947 }
1948
1949 /* Next marker should be a SIZ marker in the main header */
1950 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSIZ;
1951
1952 /* FIXME move it in a index structure included in p_j2k*/
1953 p_j2k->cstr_index->main_head_start = opj_stream_tell(p_stream) - 2;
1954
1955 opj_event_msg(p_manager, EVT_INFO,
1956 "Start to read j2k main header (%" PRId64 ").\n",
1957 p_j2k->cstr_index->main_head_start);
1958
1959 /* Add the marker to the codestream index*/
1960 if (OPJ_FALSE == opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_SOC,
1961 p_j2k->cstr_index->main_head_start, 2)) {
1962 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
1963 return OPJ_FALSE;
1964 }
1965 return OPJ_TRUE;
1966 }
1967
1968 static OPJ_BOOL opj_j2k_write_siz(opj_j2k_t *p_j2k,
1969 opj_stream_private_t *p_stream,
1970 opj_event_mgr_t * p_manager)
1971 {
1972 OPJ_UINT32 i;
1973 OPJ_UINT32 l_size_len;
1974 OPJ_BYTE * l_current_ptr;
1975 opj_image_t * l_image = 00;
1976 opj_cp_t *cp = 00;
1977 opj_image_comp_t * l_img_comp = 00;
1978
1979 /* preconditions */
1980 assert(p_stream != 00);
1981 assert(p_j2k != 00);
1982 assert(p_manager != 00);
1983
1984 l_image = p_j2k->m_private_image;
1985 cp = &(p_j2k->m_cp);
1986 l_size_len = 40 + 3 * l_image->numcomps;
1987 l_img_comp = l_image->comps;
1988
1989 if (l_size_len > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
1990
1991 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
1992 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len);
1993 if (! new_header_tile_data) {
1994 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
1995 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
1996 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
1997 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory for the SIZ marker\n");
1998 return OPJ_FALSE;
1999 }
2000 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2001 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_size_len;
2002 }
2003
2004 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2005
2006 /* write SOC identifier */
2007 opj_write_bytes(l_current_ptr, J2K_MS_SIZ, 2); /* SIZ */
2008 l_current_ptr += 2;
2009
2010 opj_write_bytes(l_current_ptr, l_size_len - 2, 2); /* L_SIZ */
2011 l_current_ptr += 2;
2012
2013 opj_write_bytes(l_current_ptr, cp->rsiz, 2); /* Rsiz (capabilities) */
2014 l_current_ptr += 2;
2015
2016 opj_write_bytes(l_current_ptr, l_image->x1, 4); /* Xsiz */
2017 l_current_ptr += 4;
2018
2019 opj_write_bytes(l_current_ptr, l_image->y1, 4); /* Ysiz */
2020 l_current_ptr += 4;
2021
2022 opj_write_bytes(l_current_ptr, l_image->x0, 4); /* X0siz */
2023 l_current_ptr += 4;
2024
2025 opj_write_bytes(l_current_ptr, l_image->y0, 4); /* Y0siz */
2026 l_current_ptr += 4;
2027
2028 opj_write_bytes(l_current_ptr, cp->tdx, 4); /* XTsiz */
2029 l_current_ptr += 4;
2030
2031 opj_write_bytes(l_current_ptr, cp->tdy, 4); /* YTsiz */
2032 l_current_ptr += 4;
2033
2034 opj_write_bytes(l_current_ptr, cp->tx0, 4); /* XT0siz */
2035 l_current_ptr += 4;
2036
2037 opj_write_bytes(l_current_ptr, cp->ty0, 4); /* YT0siz */
2038 l_current_ptr += 4;
2039
2040 opj_write_bytes(l_current_ptr, l_image->numcomps, 2); /* Csiz */
2041 l_current_ptr += 2;
2042
2043 for (i = 0; i < l_image->numcomps; ++i) {
2044 /* TODO here with MCT ? */
2045 opj_write_bytes(l_current_ptr, l_img_comp->prec - 1 + (l_img_comp->sgnd << 7),
2046 1); /* Ssiz_i */
2047 ++l_current_ptr;
2048
2049 opj_write_bytes(l_current_ptr, l_img_comp->dx, 1); /* XRsiz_i */
2050 ++l_current_ptr;
2051
2052 opj_write_bytes(l_current_ptr, l_img_comp->dy, 1); /* YRsiz_i */
2053 ++l_current_ptr;
2054
2055 ++l_img_comp;
2056 }
2057
2058 if (opj_stream_write_data(p_stream,
2059 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len,
2060 p_manager) != l_size_len) {
2061 return OPJ_FALSE;
2062 }
2063
2064 return OPJ_TRUE;
2065 }
2066
2067 /**
2068 * Reads a SIZ marker (image and tile size)
2069 * @param p_j2k the jpeg2000 file codec.
2070 * @param p_header_data the data contained in the SIZ box.
2071 * @param p_header_size the size of the data contained in the SIZ marker.
2072 * @param p_manager the user event manager.
2073 */
2074 static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
2075 OPJ_BYTE * p_header_data,
2076 OPJ_UINT32 p_header_size,
2077 opj_event_mgr_t * p_manager
2078 )
2079 {
2080 OPJ_UINT32 i;
2081 OPJ_UINT32 l_nb_comp;
2082 OPJ_UINT32 l_nb_comp_remain;
2083 OPJ_UINT32 l_remaining_size;
2084 OPJ_UINT32 l_nb_tiles;
2085 OPJ_UINT32 l_tmp, l_tx1, l_ty1;
2086 OPJ_UINT32 l_prec0, l_sgnd0;
2087 opj_image_t *l_image = 00;
2088 opj_cp_t *l_cp = 00;
2089 opj_image_comp_t * l_img_comp = 00;
2090 opj_tcp_t * l_current_tile_param = 00;
2091
2092 /* preconditions */
2093 assert(p_j2k != 00);
2094 assert(p_manager != 00);
2095 assert(p_header_data != 00);
2096
2097 l_image = p_j2k->m_private_image;
2098 l_cp = &(p_j2k->m_cp);
2099
2100 /* minimum size == 39 - 3 (= minimum component parameter) */
2101 if (p_header_size < 36) {
2102 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
2103 return OPJ_FALSE;
2104 }
2105
2106 l_remaining_size = p_header_size - 36;
2107 l_nb_comp = l_remaining_size / 3;
2108 l_nb_comp_remain = l_remaining_size % 3;
2109 if (l_nb_comp_remain != 0) {
2110 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
2111 return OPJ_FALSE;
2112 }
2113
2114 opj_read_bytes(p_header_data, &l_tmp,
2115 2); /* Rsiz (capabilities) */
2116 p_header_data += 2;
2117 l_cp->rsiz = (OPJ_UINT16) l_tmp;
2118 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x1, 4); /* Xsiz */
2119 p_header_data += 4;
2120 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y1, 4); /* Ysiz */
2121 p_header_data += 4;
2122 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x0, 4); /* X0siz */
2123 p_header_data += 4;
2124 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y0, 4); /* Y0siz */
2125 p_header_data += 4;
2126 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdx,
2127 4); /* XTsiz */
2128 p_header_data += 4;
2129 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdy,
2130 4); /* YTsiz */
2131 p_header_data += 4;
2132 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tx0,
2133 4); /* XT0siz */
2134 p_header_data += 4;
2135 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->ty0,
2136 4); /* YT0siz */
2137 p_header_data += 4;
2138 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_tmp,
2139 2); /* Csiz */
2140 p_header_data += 2;
2141 if (l_tmp < 16385) {
2142 l_image->numcomps = (OPJ_UINT16) l_tmp;
2143 } else {
2144 opj_event_msg(p_manager, EVT_ERROR,
2145 "Error with SIZ marker: number of component is illegal -> %d\n", l_tmp);
2146 return OPJ_FALSE;
2147 }
2148
2149 if (l_image->numcomps != l_nb_comp) {
2150 opj_event_msg(p_manager, EVT_ERROR,
2151 "Error with SIZ marker: number of component is not compatible with the remaining number of parameters ( %d vs %d)\n",
2152 l_image->numcomps, l_nb_comp);
2153 return OPJ_FALSE;
2154 }
2155
2156 /* testcase 4035.pdf.SIGSEGV.d8b.3375 */
2157 /* testcase issue427-null-image-size.jp2 */
2158 if ((l_image->x0 >= l_image->x1) || (l_image->y0 >= l_image->y1)) {
2159 opj_event_msg(p_manager, EVT_ERROR,
2160 "Error with SIZ marker: negative or zero image size (%" PRId64 " x %" PRId64
2161 ")\n", (OPJ_INT64)l_image->x1 - l_image->x0,
2162 (OPJ_INT64)l_image->y1 - l_image->y0);
2163 return OPJ_FALSE;
2164 }
2165 /* testcase 2539.pdf.SIGFPE.706.1712 (also 3622.pdf.SIGFPE.706.2916 and 4008.pdf.SIGFPE.706.3345 and maybe more) */
2166 if ((l_cp->tdx == 0U) || (l_cp->tdy == 0U)) {
2167 opj_event_msg(p_manager, EVT_ERROR,
2168 "Error with SIZ marker: invalid tile size (tdx: %d, tdy: %d)\n", l_cp->tdx,
2169 l_cp->tdy);
2170 return OPJ_FALSE;
2171 }
2172
2173 /* testcase issue427-illegal-tile-offset.jp2 */
2174 l_tx1 = opj_uint_adds(l_cp->tx0, l_cp->tdx); /* manage overflow */
2175 l_ty1 = opj_uint_adds(l_cp->ty0, l_cp->tdy); /* manage overflow */
2176 if ((l_cp->tx0 > l_image->x0) || (l_cp->ty0 > l_image->y0) ||
2177 (l_tx1 <= l_image->x0) || (l_ty1 <= l_image->y0)) {
2178 opj_event_msg(p_manager, EVT_ERROR,
2179 "Error with SIZ marker: illegal tile offset\n");
2180 return OPJ_FALSE;
2181 }
2182 if (!p_j2k->dump_state) {
2183 OPJ_UINT32 siz_w, siz_h;
2184
2185 siz_w = l_image->x1 - l_image->x0;
2186 siz_h = l_image->y1 - l_image->y0;
2187
2188 if (p_j2k->ihdr_w > 0 && p_j2k->ihdr_h > 0
2189 && (p_j2k->ihdr_w != siz_w || p_j2k->ihdr_h != siz_h)) {
2190 opj_event_msg(p_manager, EVT_ERROR,
2191 "Error with SIZ marker: IHDR w(%u) h(%u) vs. SIZ w(%u) h(%u)\n", p_j2k->ihdr_w,
2192 p_j2k->ihdr_h, siz_w, siz_h);
2193 return OPJ_FALSE;
2194 }
2195 }
2196 #ifdef USE_JPWL
2197 if (l_cp->correct) {
2198 /* if JPWL is on, we check whether TX errors have damaged
2199 too much the SIZ parameters */
2200 if (!(l_image->x1 * l_image->y1)) {
2201 opj_event_msg(p_manager, EVT_ERROR,
2202 "JPWL: bad image size (%d x %d)\n",
2203 l_image->x1, l_image->y1);
2204 if (!JPWL_ASSUME) {
2205 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2206 return OPJ_FALSE;
2207 }
2208 }
2209
2210 /* FIXME check previously in the function so why keep this piece of code ? Need by the norm ?
2211 if (l_image->numcomps != ((len - 38) / 3)) {
2212 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2213 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
2214 l_image->numcomps, ((len - 38) / 3));
2215 if (!JPWL_ASSUME) {
2216 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2217 return OPJ_FALSE;
2218 }
2219 */ /* we try to correct */
2220 /* opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n");
2221 if (l_image->numcomps < ((len - 38) / 3)) {
2222 len = 38 + 3 * l_image->numcomps;
2223 opj_event_msg(p_manager, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
2224 len);
2225 } else {
2226 l_image->numcomps = ((len - 38) / 3);
2227 opj_event_msg(p_manager, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
2228 l_image->numcomps);
2229 }
2230 }
2231 */
2232
2233 /* update components number in the jpwl_exp_comps filed */
2234 l_cp->exp_comps = l_image->numcomps;
2235 }
2236 #endif /* USE_JPWL */
2237
2238 /* Allocate the resulting image components */
2239 l_image->comps = (opj_image_comp_t*) opj_calloc(l_image->numcomps,
2240 sizeof(opj_image_comp_t));
2241 if (l_image->comps == 00) {
2242 l_image->numcomps = 0;
2243 opj_event_msg(p_manager, EVT_ERROR,
2244 "Not enough memory to take in charge SIZ marker\n");
2245 return OPJ_FALSE;
2246 }
2247
2248 l_img_comp = l_image->comps;
2249
2250 l_prec0 = 0;
2251 l_sgnd0 = 0;
2252 /* Read the component information */
2253 for (i = 0; i < l_image->numcomps; ++i) {
2254 OPJ_UINT32 tmp;
2255 opj_read_bytes(p_header_data, &tmp, 1); /* Ssiz_i */
2256 ++p_header_data;
2257 l_img_comp->prec = (tmp & 0x7f) + 1;
2258 l_img_comp->sgnd = tmp >> 7;
2259
2260 if (p_j2k->dump_state == 0) {
2261 if (i == 0) {
2262 l_prec0 = l_img_comp->prec;
2263 l_sgnd0 = l_img_comp->sgnd;
2264 } else if (!l_cp->allow_different_bit_depth_sign
2265 && (l_img_comp->prec != l_prec0 || l_img_comp->sgnd != l_sgnd0)) {
2266 opj_event_msg(p_manager, EVT_WARNING,
2267 "Despite JP2 BPC!=255, precision and/or sgnd values for comp[%d] is different than comp[0]:\n"
2268 " [0] prec(%d) sgnd(%d) [%d] prec(%d) sgnd(%d)\n", i, l_prec0, l_sgnd0,
2269 i, l_img_comp->prec, l_img_comp->sgnd);
2270 }
2271 /* TODO: we should perhaps also check against JP2 BPCC values */
2272 }
2273 opj_read_bytes(p_header_data, &tmp, 1); /* XRsiz_i */
2274 ++p_header_data;
2275 l_img_comp->dx = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2276 opj_read_bytes(p_header_data, &tmp, 1); /* YRsiz_i */
2277 ++p_header_data;
2278 l_img_comp->dy = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2279 if (l_img_comp->dx < 1 || l_img_comp->dx > 255 ||
2280 l_img_comp->dy < 1 || l_img_comp->dy > 255) {
2281 opj_event_msg(p_manager, EVT_ERROR,
2282 "Invalid values for comp = %d : dx=%u dy=%u (should be between 1 and 255 according to the JPEG2000 norm)\n",
2283 i, l_img_comp->dx, l_img_comp->dy);
2284 return OPJ_FALSE;
2285 }
2286 /* Avoids later undefined shift in computation of */
2287 /* p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2288 << (l_image->comps[i].prec - 1); */
2289 if (l_img_comp->prec > 31) {
2290 opj_event_msg(p_manager, EVT_ERROR,
2291 "Invalid values for comp = %d : prec=%u (should be between 1 and 38 according to the JPEG2000 norm. OpenJpeg only supports up to 31)\n",
2292 i, l_img_comp->prec);
2293 return OPJ_FALSE;
2294 }
2295 #ifdef USE_JPWL
2296 if (l_cp->correct) {
2297 /* if JPWL is on, we check whether TX errors have damaged
2298 too much the SIZ parameters, again */
2299 if (!(l_image->comps[i].dx * l_image->comps[i].dy)) {
2300 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2301 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
2302 i, i, l_image->comps[i].dx, l_image->comps[i].dy);
2303 if (!JPWL_ASSUME) {
2304 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2305 return OPJ_FALSE;
2306 }
2307 /* we try to correct */
2308 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2309 if (!l_image->comps[i].dx) {
2310 l_image->comps[i].dx = 1;
2311 opj_event_msg(p_manager, EVT_WARNING,
2312 "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
2313 i, l_image->comps[i].dx);
2314 }
2315 if (!l_image->comps[i].dy) {
2316 l_image->comps[i].dy = 1;
2317 opj_event_msg(p_manager, EVT_WARNING,
2318 "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
2319 i, l_image->comps[i].dy);
2320 }
2321 }
2322 }
2323 #endif /* USE_JPWL */
2324 l_img_comp->resno_decoded =
2325 0; /* number of resolution decoded */
2326 l_img_comp->factor =
2327 l_cp->m_specific_param.m_dec.m_reduce; /* reducing factor per component */
2328 ++l_img_comp;
2329 }
2330
2331 if (l_cp->tdx == 0 || l_cp->tdy == 0) {
2332 return OPJ_FALSE;
2333 }
2334
2335 /* Compute the number of tiles */
2336 l_cp->tw = opj_uint_ceildiv(l_image->x1 - l_cp->tx0, l_cp->tdx);
2337 l_cp->th = opj_uint_ceildiv(l_image->y1 - l_cp->ty0, l_cp->tdy);
2338
2339 /* Check that the number of tiles is valid */
2340 if (l_cp->tw == 0 || l_cp->th == 0 || l_cp->tw > 65535 / l_cp->th) {
2341 opj_event_msg(p_manager, EVT_ERROR,
2342 "Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
2343 l_cp->tw, l_cp->th);
2344 return OPJ_FALSE;
2345 }
2346 l_nb_tiles = l_cp->tw * l_cp->th;
2347
2348 /* Define the tiles which will be decoded */
2349 if (p_j2k->m_specific_param.m_decoder.m_discard_tiles) {
2350 p_j2k->m_specific_param.m_decoder.m_start_tile_x =
2351 (p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
2352 p_j2k->m_specific_param.m_decoder.m_start_tile_y =
2353 (p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
2354 p_j2k->m_specific_param.m_decoder.m_end_tile_x = opj_uint_ceildiv(
2355 p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0,
2356 l_cp->tdx);
2357 p_j2k->m_specific_param.m_decoder.m_end_tile_y = opj_uint_ceildiv(
2358 p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0,
2359 l_cp->tdy);
2360 } else {
2361 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
2362 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
2363 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
2364 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
2365 }
2366
2367 #ifdef USE_JPWL
2368 if (l_cp->correct) {
2369 /* if JPWL is on, we check whether TX errors have damaged
2370 too much the SIZ parameters */
2371 if ((l_cp->tw < 1) || (l_cp->th < 1) || (l_cp->tw > l_cp->max_tiles) ||
2372 (l_cp->th > l_cp->max_tiles)) {
2373 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2374 "JPWL: bad number of tiles (%d x %d)\n",
2375 l_cp->tw, l_cp->th);
2376 if (!JPWL_ASSUME) {
2377 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2378 return OPJ_FALSE;
2379 }
2380 /* we try to correct */
2381 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2382 if (l_cp->tw < 1) {
2383 l_cp->tw = 1;
2384 opj_event_msg(p_manager, EVT_WARNING,
2385 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2386 l_cp->tw);
2387 }
2388 if (l_cp->tw > l_cp->max_tiles) {
2389 l_cp->tw = 1;
2390 opj_event_msg(p_manager, EVT_WARNING,
2391 "- too large x, increase expectance of %d\n"
2392 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2393 l_cp->max_tiles, l_cp->tw);
2394 }
2395 if (l_cp->th < 1) {
2396 l_cp->th = 1;
2397 opj_event_msg(p_manager, EVT_WARNING,
2398 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2399 l_cp->th);
2400 }
2401 if (l_cp->th > l_cp->max_tiles) {
2402 l_cp->th = 1;
2403 opj_event_msg(p_manager, EVT_WARNING,
2404 "- too large y, increase expectance of %d to continue\n",
2405 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2406 l_cp->max_tiles, l_cp->th);
2407 }
2408 }
2409 }
2410 #endif /* USE_JPWL */
2411
2412 /* memory allocations */
2413 l_cp->tcps = (opj_tcp_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_t));
2414 if (l_cp->tcps == 00) {
2415 opj_event_msg(p_manager, EVT_ERROR,
2416 "Not enough memory to take in charge SIZ marker\n");
2417 return OPJ_FALSE;
2418 }
2419
2420 #ifdef USE_JPWL
2421 if (l_cp->correct) {
2422 if (!l_cp->tcps) {
2423 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2424 "JPWL: could not alloc tcps field of cp\n");
2425 if (!JPWL_ASSUME) {
2426 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2427 return OPJ_FALSE;
2428 }
2429 }
2430 }
2431 #endif /* USE_JPWL */
2432
2433 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps =
2434 (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t));
2435 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps == 00) {
2436 opj_event_msg(p_manager, EVT_ERROR,
2437 "Not enough memory to take in charge SIZ marker\n");
2438 return OPJ_FALSE;
2439 }
2440
2441 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records =
2442 (opj_mct_data_t*)opj_calloc(OPJ_J2K_MCT_DEFAULT_NB_RECORDS,
2443 sizeof(opj_mct_data_t));
2444
2445 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records) {
2446 opj_event_msg(p_manager, EVT_ERROR,
2447 "Not enough memory to take in charge SIZ marker\n");
2448 return OPJ_FALSE;
2449 }
2450 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records =
2451 OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
2452
2453 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records =
2454 (opj_simple_mcc_decorrelation_data_t*)
2455 opj_calloc(OPJ_J2K_MCC_DEFAULT_NB_RECORDS,
2456 sizeof(opj_simple_mcc_decorrelation_data_t));
2457
2458 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records) {
2459 opj_event_msg(p_manager, EVT_ERROR,
2460 "Not enough memory to take in charge SIZ marker\n");
2461 return OPJ_FALSE;
2462 }
2463 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records =
2464 OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
2465
2466 /* set up default dc level shift */
2467 for (i = 0; i < l_image->numcomps; ++i) {
2468 if (! l_image->comps[i].sgnd) {
2469 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2470 << (l_image->comps[i].prec - 1);
2471 }
2472 }
2473
2474 l_current_tile_param = l_cp->tcps;
2475 for (i = 0; i < l_nb_tiles; ++i) {
2476 l_current_tile_param->tccps = (opj_tccp_t*) opj_calloc(l_image->numcomps,
2477 sizeof(opj_tccp_t));
2478 if (l_current_tile_param->tccps == 00) {
2479 opj_event_msg(p_manager, EVT_ERROR,
2480 "Not enough memory to take in charge SIZ marker\n");
2481 return OPJ_FALSE;
2482 }
2483
2484 ++l_current_tile_param;
2485 }
2486
2487 /*Allocate and initialize some elements of codestrem index*/
2488 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
2489 return OPJ_FALSE;
2490 }
2491
2492 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MH;
2493 opj_image_comp_header_update(l_image, l_cp);
2494
2495 return OPJ_TRUE;
2496 }
2497
2498 static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
2499 opj_stream_private_t *p_stream,
2500 opj_event_mgr_t * p_manager
2501 )
2502 {
2503 OPJ_UINT32 l_comment_size;
2504 OPJ_UINT32 l_total_com_size;
2505 const OPJ_CHAR *l_comment;
2506 OPJ_BYTE * l_current_ptr = 00;
2507
2508 /* preconditions */
2509 assert(p_j2k != 00);
2510 assert(p_stream != 00);
2511 assert(p_manager != 00);
2512
2513 l_comment = p_j2k->m_cp.comment;
2514 l_comment_size = (OPJ_UINT32)strlen(l_comment);
2515 l_total_com_size = l_comment_size + 6;
2516
2517 if (l_total_com_size >
2518 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2519 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2520 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size);
2521 if (! new_header_tile_data) {
2522 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2523 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2524 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2525 opj_event_msg(p_manager, EVT_ERROR,
2526 "Not enough memory to write the COM marker\n");
2527 return OPJ_FALSE;
2528 }
2529 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2530 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_total_com_size;
2531 }
2532
2533 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2534
2535 opj_write_bytes(l_current_ptr, J2K_MS_COM, 2); /* COM */
2536 l_current_ptr += 2;
2537
2538 opj_write_bytes(l_current_ptr, l_total_com_size - 2, 2); /* L_COM */
2539 l_current_ptr += 2;
2540
2541 opj_write_bytes(l_current_ptr, 1,
2542 2); /* General use (IS 8859-15:1999 (Latin) values) */
2543 l_current_ptr += 2;
2544
2545 memcpy(l_current_ptr, l_comment, l_comment_size);
2546
2547 if (opj_stream_write_data(p_stream,
2548 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size,
2549 p_manager) != l_total_com_size) {
2550 return OPJ_FALSE;
2551 }
2552
2553 return OPJ_TRUE;
2554 }
2555
2556 /**
2557 * Reads a COM marker (comments)
2558 * @param p_j2k the jpeg2000 file codec.
2559 * @param p_header_data the data contained in the COM box.
2560 * @param p_header_size the size of the data contained in the COM marker.
2561 * @param p_manager the user event manager.
2562 */
2563 static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
2564 OPJ_BYTE * p_header_data,
2565 OPJ_UINT32 p_header_size,
2566 opj_event_mgr_t * p_manager
2567 )
2568 {
2569 /* preconditions */
2570 assert(p_j2k != 00);
2571 assert(p_manager != 00);
2572 assert(p_header_data != 00);
2573
2574 OPJ_UNUSED(p_j2k);
2575 OPJ_UNUSED(p_header_data);
2576 OPJ_UNUSED(p_header_size);
2577 OPJ_UNUSED(p_manager);
2578
2579 return OPJ_TRUE;
2580 }
2581
2582 static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
2583 opj_stream_private_t *p_stream,
2584 opj_event_mgr_t * p_manager)
2585 {
2586 opj_cp_t *l_cp = 00;
2587 opj_tcp_t *l_tcp = 00;
2588 OPJ_UINT32 l_code_size, l_remaining_size;
2589 OPJ_BYTE * l_current_data = 00;
2590
2591 /* preconditions */
2592 assert(p_j2k != 00);
2593 assert(p_manager != 00);
2594 assert(p_stream != 00);
2595
2596 l_cp = &(p_j2k->m_cp);
2597 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2598 l_code_size = 9 + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2599 p_j2k->m_current_tile_number, 0);
2600 l_remaining_size = l_code_size;
2601
2602 if (l_code_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2603 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2604 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size);
2605 if (! new_header_tile_data) {
2606 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2607 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2608 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2609 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COD marker\n");
2610 return OPJ_FALSE;
2611 }
2612 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2613 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_code_size;
2614 }
2615
2616 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2617
2618 opj_write_bytes(l_current_data, J2K_MS_COD, 2); /* COD */
2619 l_current_data += 2;
2620
2621 opj_write_bytes(l_current_data, l_code_size - 2, 2); /* L_COD */
2622 l_current_data += 2;
2623
2624 opj_write_bytes(l_current_data, l_tcp->csty, 1); /* Scod */
2625 ++l_current_data;
2626
2627 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tcp->prg, 1); /* SGcod (A) */
2628 ++l_current_data;
2629
2630 opj_write_bytes(l_current_data, l_tcp->numlayers, 2); /* SGcod (B) */
2631 l_current_data += 2;
2632
2633 opj_write_bytes(l_current_data, l_tcp->mct, 1); /* SGcod (C) */
2634 ++l_current_data;
2635
2636 l_remaining_size -= 9;
2637
2638 if (! opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
2639 l_current_data, &l_remaining_size, p_manager)) {
2640 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2641 return OPJ_FALSE;
2642 }
2643
2644 if (l_remaining_size != 0) {
2645 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2646 return OPJ_FALSE;
2647 }
2648
2649 if (opj_stream_write_data(p_stream,
2650 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size,
2651 p_manager) != l_code_size) {
2652 return OPJ_FALSE;
2653 }
2654
2655 return OPJ_TRUE;
2656 }
2657
2658 /**
2659 * Reads a COD marker (Coding style defaults)
2660 * @param p_header_data the data contained in the COD box.
2661 * @param p_j2k the jpeg2000 codec.
2662 * @param p_header_size the size of the data contained in the COD marker.
2663 * @param p_manager the user event manager.
2664 */
2665 static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
2666 OPJ_BYTE * p_header_data,
2667 OPJ_UINT32 p_header_size,
2668 opj_event_mgr_t * p_manager
2669 )
2670 {
2671 /* loop */
2672 OPJ_UINT32 i;
2673 OPJ_UINT32 l_tmp;
2674 opj_cp_t *l_cp = 00;
2675 opj_tcp_t *l_tcp = 00;
2676 opj_image_t *l_image = 00;
2677
2678 /* preconditions */
2679 assert(p_header_data != 00);
2680 assert(p_j2k != 00);
2681 assert(p_manager != 00);
2682
2683 l_image = p_j2k->m_private_image;
2684 l_cp = &(p_j2k->m_cp);
2685
2686 /* If we are in the first tile-part header of the current tile */
2687 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
2688 &l_cp->tcps[p_j2k->m_current_tile_number] :
2689 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2690
2691 #if 0
2692 /* This check was added per https://github.com/uclouvain/openjpeg/commit/daed8cc9195555e101ab708a501af2dfe6d5e001 */
2693 /* but this is no longer necessary to handle issue476.jp2 */
2694 /* and this actually cause issues on legit files. See https://github.com/uclouvain/openjpeg/issues/1043 */
2695 /* Only one COD per tile */
2696 if (l_tcp->cod) {
2697 opj_event_msg(p_manager, EVT_ERROR,
2698 "COD marker already read. No more than one COD marker per tile.\n");
2699 return OPJ_FALSE;
2700 }
2701 #endif
2702 l_tcp->cod = 1;
2703
2704 /* Make sure room is sufficient */
2705 if (p_header_size < 5) {
2706 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2707 return OPJ_FALSE;
2708 }
2709
2710 opj_read_bytes(p_header_data, &l_tcp->csty, 1); /* Scod */
2711 ++p_header_data;
2712 /* Make sure we know how to decode this */
2713 if ((l_tcp->csty & ~(OPJ_UINT32)(J2K_CP_CSTY_PRT | J2K_CP_CSTY_SOP |
2714 J2K_CP_CSTY_EPH)) != 0U) {
2715 opj_event_msg(p_manager, EVT_ERROR, "Unknown Scod value in COD marker\n");
2716 return OPJ_FALSE;
2717 }
2718 opj_read_bytes(p_header_data, &l_tmp, 1); /* SGcod (A) */
2719 ++p_header_data;
2720 l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;
2721 /* Make sure progression order is valid */
2722 if (l_tcp->prg > OPJ_CPRL) {
2723 opj_event_msg(p_manager, EVT_ERROR,
2724 "Unknown progression order in COD marker\n");
2725 l_tcp->prg = OPJ_PROG_UNKNOWN;
2726 }
2727 opj_read_bytes(p_header_data, &l_tcp->numlayers, 2); /* SGcod (B) */
2728 p_header_data += 2;
2729
2730 if ((l_tcp->numlayers < 1U) || (l_tcp->numlayers > 65535U)) {
2731 opj_event_msg(p_manager, EVT_ERROR,
2732 "Invalid number of layers in COD marker : %d not in range [1-65535]\n",
2733 l_tcp->numlayers);
2734 return OPJ_FALSE;
2735 }
2736
2737 /* If user didn't set a number layer to decode take the max specify in the codestream. */
2738 if (l_cp->m_specific_param.m_dec.m_layer) {
2739 l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer;
2740 } else {
2741 l_tcp->num_layers_to_decode = l_tcp->numlayers;
2742 }
2743
2744 opj_read_bytes(p_header_data, &l_tcp->mct, 1); /* SGcod (C) */
2745 ++p_header_data;
2746
2747 if (l_tcp->mct > 1) {
2748 opj_event_msg(p_manager, EVT_ERROR,
2749 "Invalid multiple component transformation\n");
2750 return OPJ_FALSE;
2751 }
2752
2753 p_header_size -= 5;
2754 for (i = 0; i < l_image->numcomps; ++i) {
2755 l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT;
2756 }
2757
2758 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, 0, p_header_data, &p_header_size,
2759 p_manager)) {
2760 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2761 return OPJ_FALSE;
2762 }
2763
2764 if (p_header_size != 0) {
2765 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2766 return OPJ_FALSE;
2767 }
2768
2769 /* Apply the coding style to other components of the current tile or the m_default_tcp*/
2770 opj_j2k_copy_tile_component_parameters(p_j2k);
2771
2772 /* Index */
2773 #ifdef WIP_REMOVE_MSD
2774 if (p_j2k->cstr_info) {
2775 /*opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info;*/
2776 p_j2k->cstr_info->prog = l_tcp->prg;
2777 p_j2k->cstr_info->numlayers = l_tcp->numlayers;
2778 p_j2k->cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(
2779 l_image->numcomps * sizeof(OPJ_UINT32));
2780 if (!p_j2k->cstr_info->numdecompos) {
2781 return OPJ_FALSE;
2782 }
2783 for (i = 0; i < l_image->numcomps; ++i) {
2784 p_j2k->cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1;
2785 }
2786 }
2787 #endif
2788
2789 return OPJ_TRUE;
2790 }
2791
2792 static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
2793 OPJ_UINT32 p_comp_no,
2794 opj_stream_private_t *p_stream,
2795 opj_event_mgr_t * p_manager)
2796 {
2797 OPJ_UINT32 l_coc_size, l_remaining_size;
2798 OPJ_UINT32 l_comp_room;
2799
2800 /* preconditions */
2801 assert(p_j2k != 00);
2802 assert(p_manager != 00);
2803 assert(p_stream != 00);
2804
2805 l_comp_room = (p_j2k->m_private_image->numcomps <= 256) ? 1 : 2;
2806
2807 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2808 p_j2k->m_current_tile_number, p_comp_no);
2809
2810 if (l_coc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2811 OPJ_BYTE *new_header_tile_data;
2812 /*p_j2k->m_specific_param.m_encoder.m_header_tile_data
2813 = (OPJ_BYTE*)opj_realloc(
2814 p_j2k->m_specific_param.m_encoder.m_header_tile_data,
2815 l_coc_size);*/
2816
2817 new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2818 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size);
2819 if (! new_header_tile_data) {
2820 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2821 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2822 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2823 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COC marker\n");
2824 return OPJ_FALSE;
2825 }
2826 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2827 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size;
2828 }
2829
2830 opj_j2k_write_coc_in_memory(p_j2k, p_comp_no,
2831 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
2832 p_manager);
2833
2834 if (opj_stream_write_data(p_stream,
2835 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size,
2836 p_manager) != l_coc_size) {
2837 return OPJ_FALSE;
2838 }
2839
2840 return OPJ_TRUE;
2841 }
2842
2843 static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
2844 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
2845 {
2846 opj_cp_t *l_cp = NULL;
2847 opj_tcp_t *l_tcp = NULL;
2848
2849 /* preconditions */
2850 assert(p_j2k != 00);
2851
2852 l_cp = &(p_j2k->m_cp);
2853 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2854
2855 if (l_tcp->tccps[p_first_comp_no].csty != l_tcp->tccps[p_second_comp_no].csty) {
2856 return OPJ_FALSE;
2857 }
2858
2859
2860 return opj_j2k_compare_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number,
2861 p_first_comp_no, p_second_comp_no);
2862 }
2863
2864 static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
2865 OPJ_UINT32 p_comp_no,
2866 OPJ_BYTE * p_data,
2867 OPJ_UINT32 * p_data_written,
2868 opj_event_mgr_t * p_manager
2869 )
2870 {
2871 opj_cp_t *l_cp = 00;
2872 opj_tcp_t *l_tcp = 00;
2873 OPJ_UINT32 l_coc_size, l_remaining_size;
2874 OPJ_BYTE * l_current_data = 00;
2875 opj_image_t *l_image = 00;
2876 OPJ_UINT32 l_comp_room;
2877
2878 /* preconditions */
2879 assert(p_j2k != 00);
2880 assert(p_manager != 00);
2881
2882 l_cp = &(p_j2k->m_cp);
2883 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2884 l_image = p_j2k->m_private_image;
2885 l_comp_room = (l_image->numcomps <= 256) ? 1 : 2;
2886
2887 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2888 p_j2k->m_current_tile_number, p_comp_no);
2889 l_remaining_size = l_coc_size;
2890
2891 l_current_data = p_data;
2892
2893 opj_write_bytes(l_current_data, J2K_MS_COC,
2894 2); /* COC */
2895 l_current_data += 2;
2896
2897 opj_write_bytes(l_current_data, l_coc_size - 2,
2898 2); /* L_COC */
2899 l_current_data += 2;
2900
2901 opj_write_bytes(l_current_data, p_comp_no, l_comp_room); /* Ccoc */
2902 l_current_data += l_comp_room;
2903
2904 opj_write_bytes(l_current_data, l_tcp->tccps[p_comp_no].csty,
2905 1); /* Scoc */
2906 ++l_current_data;
2907
2908 l_remaining_size -= (5 + l_comp_room);
2909 opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
2910 l_current_data, &l_remaining_size, p_manager);
2911 * p_data_written = l_coc_size;
2912 }
2913
2914 static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k)
2915 {
2916 OPJ_UINT32 i, j;
2917 OPJ_UINT32 l_nb_comp;
2918 OPJ_UINT32 l_nb_tiles;
2919 OPJ_UINT32 l_max = 0;
2920
2921 /* preconditions */
2922
2923 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
2924 l_nb_comp = p_j2k->m_private_image->numcomps;
2925
2926 for (i = 0; i < l_nb_tiles; ++i) {
2927 for (j = 0; j < l_nb_comp; ++j) {
2928 l_max = opj_uint_max(l_max, opj_j2k_get_SPCod_SPCoc_size(p_j2k, i, j));
2929 }
2930 }
2931
2932 return 6 + l_max;
2933 }
2934
2935 /**
2936 * Reads a COC marker (Coding Style Component)
2937 * @param p_header_data the data contained in the COC box.
2938 * @param p_j2k the jpeg2000 codec.
2939 * @param p_header_size the size of the data contained in the COC marker.
2940 * @param p_manager the user event manager.
2941 */
2942 static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
2943 OPJ_BYTE * p_header_data,
2944 OPJ_UINT32 p_header_size,
2945 opj_event_mgr_t * p_manager
2946 )
2947 {
2948 opj_cp_t *l_cp = NULL;
2949 opj_tcp_t *l_tcp = NULL;
2950 opj_image_t *l_image = NULL;
2951 OPJ_UINT32 l_comp_room;
2952 OPJ_UINT32 l_comp_no;
2953
2954 /* preconditions */
2955 assert(p_header_data != 00);
2956 assert(p_j2k != 00);
2957 assert(p_manager != 00);
2958
2959 l_cp = &(p_j2k->m_cp);
2960 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
2961 ?
2962 &l_cp->tcps[p_j2k->m_current_tile_number] :
2963 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2964 l_image = p_j2k->m_private_image;
2965
2966 l_comp_room = l_image->numcomps <= 256 ? 1 : 2;
2967
2968 /* make sure room is sufficient*/
2969 if (p_header_size < l_comp_room + 1) {
2970 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2971 return OPJ_FALSE;
2972 }
2973 p_header_size -= l_comp_room + 1;
2974
2975 opj_read_bytes(p_header_data, &l_comp_no,
2976 l_comp_room); /* Ccoc */
2977 p_header_data += l_comp_room;
2978 if (l_comp_no >= l_image->numcomps) {
2979 opj_event_msg(p_manager, EVT_ERROR,
2980 "Error reading COC marker (bad number of components)\n");
2981 return OPJ_FALSE;
2982 }
2983
2984 opj_read_bytes(p_header_data, &l_tcp->tccps[l_comp_no].csty,
2985 1); /* Scoc */
2986 ++p_header_data ;
2987
2988 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, l_comp_no, p_header_data, &p_header_size,
2989 p_manager)) {
2990 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2991 return OPJ_FALSE;
2992 }
2993
2994 if (p_header_size != 0) {
2995 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2996 return OPJ_FALSE;
2997 }
2998 return OPJ_TRUE;
2999 }
3000
3001 static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
3002 opj_stream_private_t *p_stream,
3003 opj_event_mgr_t * p_manager
3004 )
3005 {
3006 OPJ_UINT32 l_qcd_size, l_remaining_size;
3007 OPJ_BYTE * l_current_data = 00;
3008
3009 /* preconditions */
3010 assert(p_j2k != 00);
3011 assert(p_manager != 00);
3012 assert(p_stream != 00);
3013
3014 l_qcd_size = 4 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3015 0);
3016 l_remaining_size = l_qcd_size;
3017
3018 if (l_qcd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3019 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3020 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size);
3021 if (! new_header_tile_data) {
3022 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3023 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3024 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3025 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCD marker\n");
3026 return OPJ_FALSE;
3027 }
3028 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3029 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcd_size;
3030 }
3031
3032 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
3033
3034 opj_write_bytes(l_current_data, J2K_MS_QCD, 2); /* QCD */
3035 l_current_data += 2;
3036
3037 opj_write_bytes(l_current_data, l_qcd_size - 2, 2); /* L_QCD */
3038 l_current_data += 2;
3039
3040 l_remaining_size -= 4;
3041
3042 if (! opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, 0,
3043 l_current_data, &l_remaining_size, p_manager)) {
3044 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
3045 return OPJ_FALSE;
3046 }
3047
3048 if (l_remaining_size != 0) {
3049 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
3050 return OPJ_FALSE;
3051 }
3052
3053 if (opj_stream_write_data(p_stream,
3054 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size,
3055 p_manager) != l_qcd_size) {
3056 return OPJ_FALSE;
3057 }
3058
3059 return OPJ_TRUE;
3060 }
3061
3062 /**
3063 * Reads a QCD marker (Quantization defaults)
3064 * @param p_header_data the data contained in the QCD box.
3065 * @param p_j2k the jpeg2000 codec.
3066 * @param p_header_size the size of the data contained in the QCD marker.
3067 * @param p_manager the user event manager.
3068 */
3069 static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
3070 OPJ_BYTE * p_header_data,
3071 OPJ_UINT32 p_header_size,
3072 opj_event_mgr_t * p_manager
3073 )
3074 {
3075 /* preconditions */
3076 assert(p_header_data != 00);
3077 assert(p_j2k != 00);
3078 assert(p_manager != 00);
3079
3080 if (! opj_j2k_read_SQcd_SQcc(p_j2k, 0, p_header_data, &p_header_size,
3081 p_manager)) {
3082 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
3083 return OPJ_FALSE;
3084 }
3085
3086 if (p_header_size != 0) {
3087 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
3088 return OPJ_FALSE;
3089 }
3090
3091 /* Apply the quantization parameters to other components of the current tile or the m_default_tcp */
3092 opj_j2k_copy_tile_quantization_parameters(p_j2k);
3093
3094 return OPJ_TRUE;
3095 }
3096
3097 static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
3098 OPJ_UINT32 p_comp_no,
3099 opj_stream_private_t *p_stream,
3100 opj_event_mgr_t * p_manager
3101 )
3102 {
3103 OPJ_UINT32 l_qcc_size, l_remaining_size;
3104
3105 /* preconditions */
3106 assert(p_j2k != 00);
3107 assert(p_manager != 00);
3108 assert(p_stream != 00);
3109
3110 l_qcc_size = 5 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3111 p_comp_no);
3112 l_qcc_size += p_j2k->m_private_image->numcomps <= 256 ? 0 : 1;
3113 l_remaining_size = l_qcc_size;
3114
3115 if (l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3116 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3117 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size);
3118 if (! new_header_tile_data) {
3119 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3120 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3121 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3122 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCC marker\n");
3123 return OPJ_FALSE;
3124 }
3125 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3126 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size;
3127 }
3128
3129 opj_j2k_write_qcc_in_memory(p_j2k, p_comp_no,
3130 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
3131 p_manager);
3132
3133 if (opj_stream_write_data(p_stream,
3134 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size,
3135 p_manager) != l_qcc_size) {
3136 return OPJ_FALSE;
3137 }
3138
3139 return OPJ_TRUE;
3140 }
3141
3142 static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
3143 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
3144 {
3145 return opj_j2k_compare_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number,
3146 p_first_comp_no, p_second_comp_no);
3147 }
3148
3149 static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
3150 OPJ_UINT32 p_comp_no,
3151 OPJ_BYTE * p_data,
3152 OPJ_UINT32 * p_data_written,
3153 opj_event_mgr_t * p_manager
3154 )
3155 {
3156 OPJ_UINT32 l_qcc_size, l_remaining_size;
3157 OPJ_BYTE * l_current_data = 00;
3158
3159 /* preconditions */
3160 assert(p_j2k != 00);
3161 assert(p_manager != 00);
3162
3163 l_qcc_size = 6 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3164 p_comp_no);
3165 l_remaining_size = l_qcc_size;
3166
3167 l_current_data = p_data;
3168
3169 opj_write_bytes(l_current_data, J2K_MS_QCC, 2); /* QCC */
3170 l_current_data += 2;
3171
3172 if (p_j2k->m_private_image->numcomps <= 256) {
3173 --l_qcc_size;
3174
3175 opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
3176 l_current_data += 2;
3177
3178 opj_write_bytes(l_current_data, p_comp_no, 1); /* Cqcc */
3179 ++l_current_data;
3180
3181 /* in the case only one byte is sufficient the last byte allocated is useless -> still do -6 for available */
3182 l_remaining_size -= 6;
3183 } else {
3184 opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
3185 l_current_data += 2;
3186
3187 opj_write_bytes(l_current_data, p_comp_no, 2); /* Cqcc */
3188 l_current_data += 2;
3189
3190 l_remaining_size -= 6;
3191 }
3192
3193 opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, p_comp_no,
3194 l_current_data, &l_remaining_size, p_manager);
3195
3196 *p_data_written = l_qcc_size;
3197 }
3198
3199 static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k)
3200 {
3201 return opj_j2k_get_max_coc_size(p_j2k);
3202 }
3203
3204 /**
3205 * Reads a QCC marker (Quantization component)
3206 * @param p_header_data the data contained in the QCC box.
3207 * @param p_j2k the jpeg2000 codec.
3208 * @param p_header_size the size of the data contained in the QCC marker.
3209 * @param p_manager the user event manager.
3210 */
3211 static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
3212 OPJ_BYTE * p_header_data,
3213 OPJ_UINT32 p_header_size,
3214 opj_event_mgr_t * p_manager
3215 )
3216 {
3217 OPJ_UINT32 l_num_comp, l_comp_no;
3218
3219 /* preconditions */
3220 assert(p_header_data != 00);
3221 assert(p_j2k != 00);
3222 assert(p_manager != 00);
3223
3224 l_num_comp = p_j2k->m_private_image->numcomps;
3225
3226 if (l_num_comp <= 256) {
3227 if (p_header_size < 1) {
3228 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3229 return OPJ_FALSE;
3230 }
3231 opj_read_bytes(p_header_data, &l_comp_no, 1);
3232 ++p_header_data;
3233 --p_header_size;
3234 } else {
3235 if (p_header_size < 2) {
3236 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3237 return OPJ_FALSE;
3238 }
3239 opj_read_bytes(p_header_data, &l_comp_no, 2);
3240 p_header_data += 2;
3241 p_header_size -= 2;
3242 }
3243
3244 #ifdef USE_JPWL
3245 if (p_j2k->m_cp.correct) {
3246
3247 static OPJ_UINT32 backup_compno = 0;
3248
3249 /* compno is negative or larger than the number of components!!! */
3250 if (/*(l_comp_no < 0) ||*/ (l_comp_no >= l_num_comp)) {
3251 opj_event_msg(p_manager, EVT_ERROR,
3252 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
3253 l_comp_no, l_num_comp);
3254 if (!JPWL_ASSUME) {
3255 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
3256 return OPJ_FALSE;
3257 }
3258 /* we try to correct */
3259 l_comp_no = backup_compno % l_num_comp;
3260 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
3261 "- setting component number to %d\n",
3262 l_comp_no);
3263 }
3264
3265 /* keep your private count of tiles */
3266 backup_compno++;
3267 };
3268 #endif /* USE_JPWL */
3269
3270 if (l_comp_no >= p_j2k->m_private_image->numcomps) {
3271 opj_event_msg(p_manager, EVT_ERROR,
3272 "Invalid component number: %d, regarding the number of components %d\n",
3273 l_comp_no, p_j2k->m_private_image->numcomps);
3274 return OPJ_FALSE;
3275 }
3276
3277 if (! opj_j2k_read_SQcd_SQcc(p_j2k, l_comp_no, p_header_data, &p_header_size,
3278 p_manager)) {
3279 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3280 return OPJ_FALSE;
3281 }
3282
3283 if (p_header_size != 0) {
3284 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3285 return OPJ_FALSE;
3286 }
3287
3288 return OPJ_TRUE;
3289 }
3290
3291 static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
3292 opj_stream_private_t *p_stream,
3293 opj_event_mgr_t * p_manager
3294 )
3295 {
3296 OPJ_UINT32 l_nb_comp;
3297 OPJ_UINT32 l_nb_poc;
3298 OPJ_UINT32 l_poc_size;
3299 OPJ_UINT32 l_written_size = 0;
3300 opj_tcp_t *l_tcp = 00;
3301 OPJ_UINT32 l_poc_room;
3302
3303 /* preconditions */
3304 assert(p_j2k != 00);
3305 assert(p_manager != 00);
3306 assert(p_stream != 00);
3307
3308 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3309 l_nb_comp = p_j2k->m_private_image->numcomps;
3310 l_nb_poc = 1 + l_tcp->numpocs;
3311
3312 if (l_nb_comp <= 256) {
3313 l_poc_room = 1;
3314 } else {
3315 l_poc_room = 2;
3316 }
3317 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3318
3319 if (l_poc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3320 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3321 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size);
3322 if (! new_header_tile_data) {
3323 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3324 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3325 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3326 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write POC marker\n");
3327 return OPJ_FALSE;
3328 }
3329 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3330 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size;
3331 }
3332
3333 opj_j2k_write_poc_in_memory(p_j2k,
3334 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_written_size,
3335 p_manager);
3336
3337 if (opj_stream_write_data(p_stream,
3338 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size,
3339 p_manager) != l_poc_size) {
3340 return OPJ_FALSE;
3341 }
3342
3343 return OPJ_TRUE;
3344 }
3345
3346 static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
3347 OPJ_BYTE * p_data,
3348 OPJ_UINT32 * p_data_written,
3349 opj_event_mgr_t * p_manager
3350 )
3351 {
3352 OPJ_UINT32 i;
3353 OPJ_BYTE * l_current_data = 00;
3354 OPJ_UINT32 l_nb_comp;
3355 OPJ_UINT32 l_nb_poc;
3356 OPJ_UINT32 l_poc_size;
3357 opj_image_t *l_image = 00;
3358 opj_tcp_t *l_tcp = 00;
3359 opj_tccp_t *l_tccp = 00;
3360 opj_poc_t *l_current_poc = 00;
3361 OPJ_UINT32 l_poc_room;
3362
3363 /* preconditions */
3364 assert(p_j2k != 00);
3365 assert(p_manager != 00);
3366
3367 OPJ_UNUSED(p_manager);
3368
3369 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3370 l_tccp = &l_tcp->tccps[0];
3371 l_image = p_j2k->m_private_image;
3372 l_nb_comp = l_image->numcomps;
3373 l_nb_poc = 1 + l_tcp->numpocs;
3374
3375 if (l_nb_comp <= 256) {
3376 l_poc_room = 1;
3377 } else {
3378 l_poc_room = 2;
3379 }
3380
3381 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3382
3383 l_current_data = p_data;
3384
3385 opj_write_bytes(l_current_data, J2K_MS_POC,
3386 2); /* POC */
3387 l_current_data += 2;
3388
3389 opj_write_bytes(l_current_data, l_poc_size - 2,
3390 2); /* Lpoc */
3391 l_current_data += 2;
3392
3393 l_current_poc = l_tcp->pocs;
3394 for (i = 0; i < l_nb_poc; ++i) {
3395 opj_write_bytes(l_current_data, l_current_poc->resno0,
3396 1); /* RSpoc_i */
3397 ++l_current_data;
3398
3399 opj_write_bytes(l_current_data, l_current_poc->compno0,
3400 l_poc_room); /* CSpoc_i */
3401 l_current_data += l_poc_room;
3402
3403 opj_write_bytes(l_current_data, l_current_poc->layno1,
3404 2); /* LYEpoc_i */
3405 l_current_data += 2;
3406
3407 opj_write_bytes(l_current_data, l_current_poc->resno1,
3408 1); /* REpoc_i */
3409 ++l_current_data;
3410
3411 opj_write_bytes(l_current_data, l_current_poc->compno1,
3412 l_poc_room); /* CEpoc_i */
3413 l_current_data += l_poc_room;
3414
3415 opj_write_bytes(l_current_data, (OPJ_UINT32)l_current_poc->prg,
3416 1); /* Ppoc_i */
3417 ++l_current_data;
3418
3419 /* change the value of the max layer according to the actual number of layers in the file, components and resolutions*/
3420 l_current_poc->layno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3421 l_current_poc->layno1, (OPJ_INT32)l_tcp->numlayers);
3422 l_current_poc->resno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3423 l_current_poc->resno1, (OPJ_INT32)l_tccp->numresolutions);
3424 l_current_poc->compno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3425 l_current_poc->compno1, (OPJ_INT32)l_nb_comp);
3426
3427 ++l_current_poc;
3428 }
3429
3430 *p_data_written = l_poc_size;
3431 }
3432
3433 static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k)
3434 {
3435 opj_tcp_t * l_tcp = 00;
3436 OPJ_UINT32 l_nb_tiles = 0;
3437 OPJ_UINT32 l_max_poc = 0;
3438 OPJ_UINT32 i;
3439
3440 l_tcp = p_j2k->m_cp.tcps;
3441 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
3442
3443 for (i = 0; i < l_nb_tiles; ++i) {
3444 l_max_poc = opj_uint_max(l_max_poc, l_tcp->numpocs);
3445 ++l_tcp;
3446 }
3447
3448 ++l_max_poc;
3449
3450 return 4 + 9 * l_max_poc;
3451 }
3452
3453 static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k)
3454 {
3455 OPJ_UINT32 i;
3456 OPJ_UINT32 l_nb_tiles;
3457 OPJ_UINT32 l_max = 0;
3458 opj_tcp_t * l_tcp = 00;
3459
3460 l_tcp = p_j2k->m_cp.tcps;
3461 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
3462
3463 for (i = 0; i < l_nb_tiles; ++i) {
3464 l_max = opj_uint_max(l_max, l_tcp->m_nb_tile_parts);
3465
3466 ++l_tcp;
3467 }
3468
3469 return 12 * l_max;
3470 }
3471
3472 static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k)
3473 {
3474 OPJ_UINT32 l_nb_bytes = 0;
3475 OPJ_UINT32 l_nb_comps;
3476 OPJ_UINT32 l_coc_bytes, l_qcc_bytes;
3477
3478 l_nb_comps = p_j2k->m_private_image->numcomps - 1;
3479 l_nb_bytes += opj_j2k_get_max_toc_size(p_j2k);
3480
3481 if (!(OPJ_IS_CINEMA(p_j2k->m_cp.rsiz))) {
3482 l_coc_bytes = opj_j2k_get_max_coc_size(p_j2k);
3483 l_nb_bytes += l_nb_comps * l_coc_bytes;
3484
3485 l_qcc_bytes = opj_j2k_get_max_qcc_size(p_j2k);
3486 l_nb_bytes += l_nb_comps * l_qcc_bytes;
3487 }
3488
3489 l_nb_bytes += opj_j2k_get_max_poc_size(p_j2k);
3490
3491 if (p_j2k->m_specific_param.m_encoder.m_PLT) {
3492 /* Reserve space for PLT markers */
3493
3494 OPJ_UINT32 i;
3495 const opj_cp_t * l_cp = &(p_j2k->m_cp);
3496 OPJ_UINT32 l_max_packet_count = 0;
3497 for (i = 0; i < l_cp->th * l_cp->tw; ++i) {
3498 l_max_packet_count = opj_uint_max(l_max_packet_count,
3499 opj_get_encoding_packet_count(p_j2k->m_private_image, l_cp, i));
3500 }
3501 /* Minimum 6 bytes per PLT marker, and at a minimum (taking a pessimistic */
3502 /* estimate of 4 bytes for a packet size), one can write */
3503 /* (65536-6) / 4 = 16382 paquet sizes per PLT marker */
3504 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT =
3505 6 * opj_uint_ceildiv(l_max_packet_count, 16382);
3506 /* Maximum 5 bytes per packet to encode a full UINT32 */
3507 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT +=
3508 l_nb_bytes += 5 * l_max_packet_count;
3509 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT += 1;
3510 l_nb_bytes += p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT;
3511 }
3512
3513 /*** DEVELOPER CORNER, Add room for your headers ***/
3514
3515 return l_nb_bytes;
3516 }
3517
3518 /**
3519 * Reads a POC marker (Progression Order Change)
3520 *
3521 * @param p_header_data the data contained in the POC box.
3522 * @param p_j2k the jpeg2000 codec.
3523 * @param p_header_size the size of the data contained in the POC marker.
3524 * @param p_manager the user event manager.
3525 */
3526 static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
3527 OPJ_BYTE * p_header_data,
3528 OPJ_UINT32 p_header_size,
3529 opj_event_mgr_t * p_manager
3530 )
3531 {
3532 OPJ_UINT32 i, l_nb_comp, l_tmp;
3533 opj_image_t * l_image = 00;
3534 OPJ_UINT32 l_old_poc_nb, l_current_poc_nb, l_current_poc_remaining;
3535 OPJ_UINT32 l_chunk_size, l_comp_room;
3536
3537 opj_cp_t *l_cp = 00;
3538 opj_tcp_t *l_tcp = 00;
3539 opj_poc_t *l_current_poc = 00;
3540
3541 /* preconditions */
3542 assert(p_header_data != 00);
3543 assert(p_j2k != 00);
3544 assert(p_manager != 00);
3545
3546 l_image = p_j2k->m_private_image;
3547 l_nb_comp = l_image->numcomps;
3548 if (l_nb_comp <= 256) {
3549 l_comp_room = 1;
3550 } else {
3551 l_comp_room = 2;
3552 }
3553 l_chunk_size = 5 + 2 * l_comp_room;
3554 l_current_poc_nb = p_header_size / l_chunk_size;
3555 l_current_poc_remaining = p_header_size % l_chunk_size;
3556
3557 if ((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0)) {
3558 opj_event_msg(p_manager, EVT_ERROR, "Error reading POC marker\n");
3559 return OPJ_FALSE;
3560 }
3561
3562 l_cp = &(p_j2k->m_cp);
3563 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
3564 &l_cp->tcps[p_j2k->m_current_tile_number] :
3565 p_j2k->m_specific_param.m_decoder.m_default_tcp;
3566 l_old_poc_nb = l_tcp->POC ? l_tcp->numpocs + 1 : 0;
3567 l_current_poc_nb += l_old_poc_nb;
3568
3569 if (l_current_poc_nb >= J2K_MAX_POCS) {
3570 opj_event_msg(p_manager, EVT_ERROR, "Too many POCs %d\n", l_current_poc_nb);
3571 return OPJ_FALSE;
3572 }
3573
3574 /* now poc is in use.*/
3575 l_tcp->POC = 1;
3576
3577 l_current_poc = &l_tcp->pocs[l_old_poc_nb];
3578 for (i = l_old_poc_nb; i < l_current_poc_nb; ++i) {
3579 opj_read_bytes(p_header_data, &(l_current_poc->resno0),
3580 1); /* RSpoc_i */
3581 ++p_header_data;
3582 opj_read_bytes(p_header_data, &(l_current_poc->compno0),
3583 l_comp_room); /* CSpoc_i */
3584 p_header_data += l_comp_room;
3585 opj_read_bytes(p_header_data, &(l_current_poc->layno1),
3586 2); /* LYEpoc_i */
3587 /* make sure layer end is in acceptable bounds */
3588 l_current_poc->layno1 = opj_uint_min(l_current_poc->layno1, l_tcp->numlayers);
3589 p_header_data += 2;
3590 opj_read_bytes(p_header_data, &(l_current_poc->resno1),
3591 1); /* REpoc_i */
3592 ++p_header_data;
3593 opj_read_bytes(p_header_data, &(l_current_poc->compno1),
3594 l_comp_room); /* CEpoc_i */
3595 p_header_data += l_comp_room;
3596 opj_read_bytes(p_header_data, &l_tmp,
3597 1); /* Ppoc_i */
3598 ++p_header_data;
3599 l_current_poc->prg = (OPJ_PROG_ORDER) l_tmp;
3600 /* make sure comp is in acceptable bounds */
3601 l_current_poc->compno1 = opj_uint_min(l_current_poc->compno1, l_nb_comp);
3602 ++l_current_poc;
3603 }
3604
3605 l_tcp->numpocs = l_current_poc_nb - 1;
3606 return OPJ_TRUE;
3607 }
3608
3609 /**
3610 * Reads a CRG marker (Component registration)
3611 *
3612 * @param p_header_data the data contained in the TLM box.
3613 * @param p_j2k the jpeg2000 codec.
3614 * @param p_header_size the size of the data contained in the TLM marker.
3615 * @param p_manager the user event manager.
3616 */
3617 static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
3618 OPJ_BYTE * p_header_data,
3619 OPJ_UINT32 p_header_size,
3620 opj_event_mgr_t * p_manager
3621 )
3622 {
3623 OPJ_UINT32 l_nb_comp;
3624 /* preconditions */
3625 assert(p_header_data != 00);
3626 assert(p_j2k != 00);
3627 assert(p_manager != 00);
3628
3629 OPJ_UNUSED(p_header_data);
3630
3631 l_nb_comp = p_j2k->m_private_image->numcomps;
3632
3633 if (p_header_size != l_nb_comp * 4) {
3634 opj_event_msg(p_manager, EVT_ERROR, "Error reading CRG marker\n");
3635 return OPJ_FALSE;
3636 }
3637 /* Do not care of this at the moment since only local variables are set here */
3638 /*
3639 for
3640 (i = 0; i < l_nb_comp; ++i)
3641 {
3642 opj_read_bytes(p_header_data,&l_Xcrg_i,2); // Xcrg_i
3643 p_header_data+=2;
3644 opj_read_bytes(p_header_data,&l_Ycrg_i,2); // Xcrg_i
3645 p_header_data+=2;
3646 }
3647 */
3648 return OPJ_TRUE;
3649 }
3650
3651 /**
3652 * Reads a TLM marker (Tile Length Marker)
3653 *
3654 * @param p_header_data the data contained in the TLM box.
3655 * @param p_j2k the jpeg2000 codec.
3656 * @param p_header_size the size of the data contained in the TLM marker.
3657 * @param p_manager the user event manager.
3658 */
3659 static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
3660 OPJ_BYTE * p_header_data,
3661 OPJ_UINT32 p_header_size,
3662 opj_event_mgr_t * p_manager
3663 )
3664 {
3665 OPJ_UINT32 l_Ztlm, l_Stlm, l_ST, l_SP,
3666 l_Ptlm_size, l_entry_size, l_num_tileparts;
3667 OPJ_UINT32 i;
3668 opj_j2k_tlm_tile_part_info_t* l_tile_part_infos;
3669 opj_j2k_tlm_info_t* l_tlm;
3670
3671 /* preconditions */
3672 assert(p_header_data != 00);
3673 assert(p_j2k != 00);
3674 assert(p_manager != 00);
3675
3676 l_tlm = &(p_j2k->m_specific_param.m_decoder.m_tlm);
3677
3678 if (p_header_size < 2) {
3679 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker.\n");
3680 return OPJ_FALSE;
3681 }
3682 p_header_size -= 2;
3683
3684 if (l_tlm->m_is_invalid) {
3685 return OPJ_TRUE;
3686 }
3687
3688 opj_read_bytes(p_header_data, &l_Ztlm,
3689 1); /* Ztlm */
3690 ++p_header_data;
3691 opj_read_bytes(p_header_data, &l_Stlm,
3692 1); /* Stlm */
3693 ++p_header_data;
3694
3695 l_ST = ((l_Stlm >> 4) & 0x3);
3696 if (l_ST == 3) {
3697 l_tlm->m_is_invalid = OPJ_TRUE;
3698 opj_event_msg(p_manager, EVT_WARNING,
3699 "opj_j2k_read_tlm(): ST = 3 is invalid.\n");
3700 return OPJ_TRUE;
3701 }
3702 l_SP = (l_Stlm >> 6) & 0x1;
3703
3704 l_Ptlm_size = (l_SP + 1) * 2;
3705 l_entry_size = l_Ptlm_size + l_ST;
3706
3707 if ((p_header_size % l_entry_size) != 0) {
3708 l_tlm->m_is_invalid = OPJ_TRUE;
3709 opj_event_msg(p_manager, EVT_WARNING,
3710 "opj_j2k_read_tlm(): TLM marker not of expected size.\n");
3711 return OPJ_TRUE;
3712 }
3713
3714 l_num_tileparts = p_header_size / l_entry_size;
3715 if (l_num_tileparts == 0) {
3716 /* not totally sure if this is valid... */
3717 return OPJ_TRUE;
3718 }
3719
3720 /* Highly unlikely, unless there are gazillions of TLM markers */
3721 if (l_tlm->m_entries_count > UINT32_MAX - l_num_tileparts ||
3722 l_tlm->m_entries_count + l_num_tileparts > UINT32_MAX / sizeof(
3723 opj_j2k_tlm_tile_part_info_t)) {
3724 l_tlm->m_is_invalid = OPJ_TRUE;
3725 opj_event_msg(p_manager, EVT_WARNING,
3726 "opj_j2k_read_tlm(): too many TLM markers.\n");
3727 return OPJ_TRUE;
3728 }
3729
3730 l_tile_part_infos = (opj_j2k_tlm_tile_part_info_t*)opj_realloc(
3731 l_tlm->m_tile_part_infos,
3732 (l_tlm->m_entries_count + l_num_tileparts) * sizeof(
3733 opj_j2k_tlm_tile_part_info_t));
3734 if (!l_tile_part_infos) {
3735 l_tlm->m_is_invalid = OPJ_TRUE;
3736 opj_event_msg(p_manager, EVT_WARNING,
3737 "opj_j2k_read_tlm(): cannot allocate m_tile_part_infos.\n");
3738 return OPJ_TRUE;
3739 }
3740
3741 l_tlm->m_tile_part_infos = l_tile_part_infos;
3742
3743 for (i = 0; i < l_num_tileparts; ++ i) {
3744 OPJ_UINT32 l_tile_index;
3745 OPJ_UINT32 l_length;
3746
3747 /* Read Ttlm_i */
3748 if (l_ST == 0) {
3749 l_tile_index = l_tlm->m_entries_count;
3750 } else {
3751 opj_read_bytes(p_header_data, &l_tile_index, l_ST);
3752 p_header_data += l_ST;
3753 }
3754
3755 if (l_tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th) {
3756 l_tlm->m_is_invalid = OPJ_TRUE;
3757 opj_event_msg(p_manager, EVT_WARNING,
3758 "opj_j2k_read_tlm(): invalid tile number %d\n",
3759 l_tile_index);
3760 return OPJ_TRUE;
3761 }
3762
3763 /* Read Ptlm_i */
3764 opj_read_bytes(p_header_data, &l_length, l_Ptlm_size);
3765 p_header_data += l_Ptlm_size;
3766
3767 l_tile_part_infos[l_tlm->m_entries_count].m_tile_index =
3768 (OPJ_UINT16)l_tile_index;
3769 l_tile_part_infos[l_tlm->m_entries_count].m_length = l_length;
3770 ++l_tlm->m_entries_count;
3771 }
3772
3773 return OPJ_TRUE;
3774 }
3775
3776 /**
3777 * Reads a PLM marker (Packet length, main header marker)
3778 *
3779 * @param p_header_data the data contained in the TLM box.
3780 * @param p_j2k the jpeg2000 codec.
3781 * @param p_header_size the size of the data contained in the TLM marker.
3782 * @param p_manager the user event manager.
3783 */
3784 static OPJ_BOOL opj_j2k_read_plm(opj_j2k_t *p_j2k,
3785 OPJ_BYTE * p_header_data,
3786 OPJ_UINT32 p_header_size,
3787 opj_event_mgr_t * p_manager
3788 )
3789 {
3790 /* preconditions */
3791 assert(p_header_data != 00);
3792 assert(p_j2k != 00);
3793 assert(p_manager != 00);
3794
3795 OPJ_UNUSED(p_j2k);
3796 OPJ_UNUSED(p_header_data);
3797
3798 if (p_header_size < 1) {
3799 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3800 return OPJ_FALSE;
3801 }
3802 /* Do not care of this at the moment since only local variables are set here */
3803 /*
3804 opj_read_bytes(p_header_data,&l_Zplm,1); // Zplm
3805 ++p_header_data;
3806 --p_header_size;
3807
3808 while
3809 (p_header_size > 0)
3810 {
3811 opj_read_bytes(p_header_data,&l_Nplm,1); // Nplm
3812 ++p_header_data;
3813 p_header_size -= (1+l_Nplm);
3814 if
3815 (p_header_size < 0)
3816 {
3817 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3818 return false;
3819 }
3820 for
3821 (i = 0; i < l_Nplm; ++i)
3822 {
3823 opj_read_bytes(p_header_data,&l_tmp,1); // Iplm_ij
3824 ++p_header_data;
3825 // take only the last seven bytes
3826 l_packet_len |= (l_tmp & 0x7f);
3827 if
3828 (l_tmp & 0x80)
3829 {
3830 l_packet_len <<= 7;
3831 }
3832 else
3833 {
3834 // store packet length and proceed to next packet
3835 l_packet_len = 0;
3836 }
3837 }
3838 if
3839 (l_packet_len != 0)
3840 {
3841 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3842 return false;
3843 }
3844 }
3845 */
3846 return OPJ_TRUE;
3847 }
3848
3849 /**
3850 * Reads a PLT marker (Packet length, tile-part header)
3851 *
3852 * @param p_header_data the data contained in the PLT box.
3853 * @param p_j2k the jpeg2000 codec.
3854 * @param p_header_size the size of the data contained in the PLT marker.
3855 * @param p_manager the user event manager.
3856 */
3857 static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
3858 OPJ_BYTE * p_header_data,
3859 OPJ_UINT32 p_header_size,
3860 opj_event_mgr_t * p_manager
3861 )
3862 {
3863 OPJ_UINT32 l_Zplt, l_tmp, l_packet_len = 0, i;
3864
3865 /* preconditions */
3866 assert(p_header_data != 00);
3867 assert(p_j2k != 00);
3868 assert(p_manager != 00);
3869
3870 OPJ_UNUSED(p_j2k);
3871
3872 if (p_header_size < 1) {
3873 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3874 return OPJ_FALSE;
3875 }
3876
3877 opj_read_bytes(p_header_data, &l_Zplt, 1); /* Zplt */
3878 ++p_header_data;
3879 --p_header_size;
3880
3881 for (i = 0; i < p_header_size; ++i) {
3882 opj_read_bytes(p_header_data, &l_tmp, 1); /* Iplt_ij */
3883 ++p_header_data;
3884 /* take only the last seven bytes */
3885 l_packet_len |= (l_tmp & 0x7f);
3886 if (l_tmp & 0x80) {
3887 l_packet_len <<= 7;
3888 } else {
3889 /* store packet length and proceed to next packet */
3890 l_packet_len = 0;
3891 }
3892 }
3893
3894 if (l_packet_len != 0) {
3895 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3896 return OPJ_FALSE;
3897 }
3898
3899 return OPJ_TRUE;
3900 }
3901
3902 /**
3903 * Reads a PPM marker (Packed packet headers, main header)
3904 *
3905 * @param p_header_data the data contained in the POC box.
3906 * @param p_j2k the jpeg2000 codec.
3907 * @param p_header_size the size of the data contained in the POC marker.
3908 * @param p_manager the user event manager.
3909 */
3910
3911 static OPJ_BOOL opj_j2k_read_ppm(
3912 opj_j2k_t *p_j2k,
3913 OPJ_BYTE * p_header_data,
3914 OPJ_UINT32 p_header_size,
3915 opj_event_mgr_t * p_manager)
3916 {
3917 opj_cp_t *l_cp = 00;
3918 OPJ_UINT32 l_Z_ppm;
3919
3920 /* preconditions */
3921 assert(p_header_data != 00);
3922 assert(p_j2k != 00);
3923 assert(p_manager != 00);
3924
3925 /* We need to have the Z_ppm element + 1 byte of Nppm/Ippm at minimum */
3926 if (p_header_size < 2) {
3927 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
3928 return OPJ_FALSE;
3929 }
3930
3931 l_cp = &(p_j2k->m_cp);
3932 l_cp->ppm = 1;
3933
3934 opj_read_bytes(p_header_data, &l_Z_ppm, 1); /* Z_ppm */
3935 ++p_header_data;
3936 --p_header_size;
3937
3938 /* check allocation needed */
3939 if (l_cp->ppm_markers == NULL) { /* first PPM marker */
3940 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3941 assert(l_cp->ppm_markers_count == 0U);
3942
3943 l_cp->ppm_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
3944 if (l_cp->ppm_markers == NULL) {
3945 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3946 return OPJ_FALSE;
3947 }
3948 l_cp->ppm_markers_count = l_newCount;
3949 } else if (l_cp->ppm_markers_count <= l_Z_ppm) {
3950 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3951 opj_ppx *new_ppm_markers;
3952 new_ppm_markers = (opj_ppx *) opj_realloc(l_cp->ppm_markers,
3953 l_newCount * sizeof(opj_ppx));
3954 if (new_ppm_markers == NULL) {
3955 /* clean up to be done on l_cp destruction */
3956 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3957 return OPJ_FALSE;
3958 }
3959 l_cp->ppm_markers = new_ppm_markers;
3960 memset(l_cp->ppm_markers + l_cp->ppm_markers_count, 0,
3961 (l_newCount - l_cp->ppm_markers_count) * sizeof(opj_ppx));
3962 l_cp->ppm_markers_count = l_newCount;
3963 }
3964
3965 if (l_cp->ppm_markers[l_Z_ppm].m_data != NULL) {
3966 /* clean up to be done on l_cp destruction */
3967 opj_event_msg(p_manager, EVT_ERROR, "Zppm %u already read\n", l_Z_ppm);
3968 return OPJ_FALSE;
3969 }
3970
3971 l_cp->ppm_markers[l_Z_ppm].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
3972 if (l_cp->ppm_markers[l_Z_ppm].m_data == NULL) {
3973 /* clean up to be done on l_cp destruction */
3974 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3975 return OPJ_FALSE;
3976 }
3977 l_cp->ppm_markers[l_Z_ppm].m_data_size = p_header_size;
3978 memcpy(l_cp->ppm_markers[l_Z_ppm].m_data, p_header_data, p_header_size);
3979
3980 return OPJ_TRUE;
3981 }
3982
3983 /**
3984 * Merges all PPM markers read (Packed headers, main header)
3985 *
3986 * @param p_cp main coding parameters.
3987 * @param p_manager the user event manager.
3988 */
3989 static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager)
3990 {
3991 OPJ_UINT32 i, l_ppm_data_size, l_N_ppm_remaining;
3992
3993 /* preconditions */
3994 assert(p_cp != 00);
3995 assert(p_manager != 00);
3996 assert(p_cp->ppm_buffer == NULL);
3997
3998 if (p_cp->ppm == 0U) {
3999 return OPJ_TRUE;
4000 }
4001
4002 l_ppm_data_size = 0U;
4003 l_N_ppm_remaining = 0U;
4004 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
4005 if (p_cp->ppm_markers[i].m_data !=
4006 NULL) { /* standard doesn't seem to require contiguous Zppm */
4007 OPJ_UINT32 l_N_ppm;
4008 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
4009 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
4010
4011 if (l_N_ppm_remaining >= l_data_size) {
4012 l_N_ppm_remaining -= l_data_size;
4013 l_data_size = 0U;
4014 } else {
4015 l_data += l_N_ppm_remaining;
4016 l_data_size -= l_N_ppm_remaining;
4017 l_N_ppm_remaining = 0U;
4018 }
4019
4020 if (l_data_size > 0U) {
4021 do {
4022 /* read Nppm */
4023 if (l_data_size < 4U) {
4024 /* clean up to be done on l_cp destruction */
4025 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
4026 return OPJ_FALSE;
4027 }
4028 opj_read_bytes(l_data, &l_N_ppm, 4);
4029 l_data += 4;
4030 l_data_size -= 4;
4031
4032 if (l_ppm_data_size > UINT_MAX - l_N_ppm) {
4033 opj_event_msg(p_manager, EVT_ERROR, "Too large value for Nppm\n");
4034 return OPJ_FALSE;
4035 }
4036 l_ppm_data_size += l_N_ppm;
4037 if (l_data_size >= l_N_ppm) {
4038 l_data_size -= l_N_ppm;
4039 l_data += l_N_ppm;
4040 } else {
4041 l_N_ppm_remaining = l_N_ppm - l_data_size;
4042 l_data_size = 0U;
4043 }
4044 } while (l_data_size > 0U);
4045 }
4046 }
4047 }
4048
4049 if (l_N_ppm_remaining != 0U) {
4050 /* clean up to be done on l_cp destruction */
4051 opj_event_msg(p_manager, EVT_ERROR, "Corrupted PPM markers\n");
4052 return OPJ_FALSE;
4053 }
4054
4055 p_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_ppm_data_size);
4056 if (p_cp->ppm_buffer == 00) {
4057 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
4058 return OPJ_FALSE;
4059 }
4060 p_cp->ppm_len = l_ppm_data_size;
4061 l_ppm_data_size = 0U;
4062 l_N_ppm_remaining = 0U;
4063 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
4064 if (p_cp->ppm_markers[i].m_data !=
4065 NULL) { /* standard doesn't seem to require contiguous Zppm */
4066 OPJ_UINT32 l_N_ppm;
4067 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
4068 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
4069
4070 if (l_N_ppm_remaining >= l_data_size) {
4071 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
4072 l_ppm_data_size += l_data_size;
4073 l_N_ppm_remaining -= l_data_size;
4074 l_data_size = 0U;
4075 } else {
4076 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm_remaining);
4077 l_ppm_data_size += l_N_ppm_remaining;
4078 l_data += l_N_ppm_remaining;
4079 l_data_size -= l_N_ppm_remaining;
4080 l_N_ppm_remaining = 0U;
4081 }
4082
4083 if (l_data_size > 0U) {
4084 do {
4085 /* read Nppm */
4086 if (l_data_size < 4U) {
4087 /* clean up to be done on l_cp destruction */
4088 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
4089 return OPJ_FALSE;
4090 }
4091 opj_read_bytes(l_data, &l_N_ppm, 4);
4092 l_data += 4;
4093 l_data_size -= 4;
4094
4095 if (l_data_size >= l_N_ppm) {
4096 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm);
4097 l_ppm_data_size += l_N_ppm;
4098 l_data_size -= l_N_ppm;
4099 l_data += l_N_ppm;
4100 } else {
4101 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
4102 l_ppm_data_size += l_data_size;
4103 l_N_ppm_remaining = l_N_ppm - l_data_size;
4104 l_data_size = 0U;
4105 }
4106 } while (l_data_size > 0U);
4107 }
4108 opj_free(p_cp->ppm_markers[i].m_data);
4109 p_cp->ppm_markers[i].m_data = NULL;
4110 p_cp->ppm_markers[i].m_data_size = 0U;
4111 }
4112 }
4113
4114 p_cp->ppm_data = p_cp->ppm_buffer;
4115 p_cp->ppm_data_size = p_cp->ppm_len;
4116
4117 p_cp->ppm_markers_count = 0U;
4118 opj_free(p_cp->ppm_markers);
4119 p_cp->ppm_markers = NULL;
4120
4121 return OPJ_TRUE;
4122 }
4123
4124 /**
4125 * Reads a PPT marker (Packed packet headers, tile-part header)
4126 *
4127 * @param p_header_data the data contained in the PPT box.
4128 * @param p_j2k the jpeg2000 codec.
4129 * @param p_header_size the size of the data contained in the PPT marker.
4130 * @param p_manager the user event manager.
4131 */
4132 static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
4133 OPJ_BYTE * p_header_data,
4134 OPJ_UINT32 p_header_size,
4135 opj_event_mgr_t * p_manager
4136 )
4137 {
4138 opj_cp_t *l_cp = 00;
4139 opj_tcp_t *l_tcp = 00;
4140 OPJ_UINT32 l_Z_ppt;
4141
4142 /* preconditions */
4143 assert(p_header_data != 00);
4144 assert(p_j2k != 00);
4145 assert(p_manager != 00);
4146
4147 /* We need to have the Z_ppt element + 1 byte of Ippt at minimum */
4148 if (p_header_size < 2) {
4149 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker\n");
4150 return OPJ_FALSE;
4151 }
4152
4153 l_cp = &(p_j2k->m_cp);
4154 if (l_cp->ppm) {
4155 opj_event_msg(p_manager, EVT_ERROR,
4156 "Error reading PPT marker: packet header have been previously found in the main header (PPM marker).\n");
4157 return OPJ_FALSE;
4158 }
4159
4160 l_tcp = &(l_cp->tcps[p_j2k->m_current_tile_number]);
4161 l_tcp->ppt = 1;
4162
4163 opj_read_bytes(p_header_data, &l_Z_ppt, 1); /* Z_ppt */
4164 ++p_header_data;
4165 --p_header_size;
4166
4167 /* check allocation needed */
4168 if (l_tcp->ppt_markers == NULL) { /* first PPT marker */
4169 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4170 assert(l_tcp->ppt_markers_count == 0U);
4171
4172 l_tcp->ppt_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
4173 if (l_tcp->ppt_markers == NULL) {
4174 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4175 return OPJ_FALSE;
4176 }
4177 l_tcp->ppt_markers_count = l_newCount;
4178 } else if (l_tcp->ppt_markers_count <= l_Z_ppt) {
4179 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4180 opj_ppx *new_ppt_markers;
4181 new_ppt_markers = (opj_ppx *) opj_realloc(l_tcp->ppt_markers,
4182 l_newCount * sizeof(opj_ppx));
4183 if (new_ppt_markers == NULL) {
4184 /* clean up to be done on l_tcp destruction */
4185 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4186 return OPJ_FALSE;
4187 }
4188 l_tcp->ppt_markers = new_ppt_markers;
4189 memset(l_tcp->ppt_markers + l_tcp->ppt_markers_count, 0,
4190 (l_newCount - l_tcp->ppt_markers_count) * sizeof(opj_ppx));
4191 l_tcp->ppt_markers_count = l_newCount;
4192 }
4193
4194 if (l_tcp->ppt_markers[l_Z_ppt].m_data != NULL) {
4195 /* clean up to be done on l_tcp destruction */
4196 opj_event_msg(p_manager, EVT_ERROR, "Zppt %u already read\n", l_Z_ppt);
4197 return OPJ_FALSE;
4198 }
4199
4200 l_tcp->ppt_markers[l_Z_ppt].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
4201 if (l_tcp->ppt_markers[l_Z_ppt].m_data == NULL) {
4202 /* clean up to be done on l_tcp destruction */
4203 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4204 return OPJ_FALSE;
4205 }
4206 l_tcp->ppt_markers[l_Z_ppt].m_data_size = p_header_size;
4207 memcpy(l_tcp->ppt_markers[l_Z_ppt].m_data, p_header_data, p_header_size);
4208 return OPJ_TRUE;
4209 }
4210
4211 /**
4212 * Merges all PPT markers read (Packed packet headers, tile-part header)
4213 *
4214 * @param p_tcp the tile.
4215 * @param p_manager the user event manager.
4216 */
4217 static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp, opj_event_mgr_t * p_manager)
4218 {
4219 OPJ_UINT32 i, l_ppt_data_size;
4220 /* preconditions */
4221 assert(p_tcp != 00);
4222 assert(p_manager != 00);
4223
4224 if (p_tcp->ppt_buffer != NULL) {
4225 opj_event_msg(p_manager, EVT_ERROR,
4226 "opj_j2k_merge_ppt() has already been called\n");
4227 return OPJ_FALSE;
4228 }
4229
4230 if (p_tcp->ppt == 0U) {
4231 return OPJ_TRUE;
4232 }
4233
4234 l_ppt_data_size = 0U;
4235 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4236 l_ppt_data_size +=
4237 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4238 }
4239
4240 p_tcp->ppt_buffer = (OPJ_BYTE *) opj_malloc(l_ppt_data_size);
4241 if (p_tcp->ppt_buffer == 00) {
4242 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4243 return OPJ_FALSE;
4244 }
4245 p_tcp->ppt_len = l_ppt_data_size;
4246 l_ppt_data_size = 0U;
4247 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4248 if (p_tcp->ppt_markers[i].m_data !=
4249 NULL) { /* standard doesn't seem to require contiguous Zppt */
4250 memcpy(p_tcp->ppt_buffer + l_ppt_data_size, p_tcp->ppt_markers[i].m_data,
4251 p_tcp->ppt_markers[i].m_data_size);
4252 l_ppt_data_size +=
4253 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4254
4255 opj_free(p_tcp->ppt_markers[i].m_data);
4256 p_tcp->ppt_markers[i].m_data = NULL;
4257 p_tcp->ppt_markers[i].m_data_size = 0U;
4258 }
4259 }
4260
4261 p_tcp->ppt_markers_count = 0U;
4262 opj_free(p_tcp->ppt_markers);
4263 p_tcp->ppt_markers = NULL;
4264
4265 p_tcp->ppt_data = p_tcp->ppt_buffer;
4266 p_tcp->ppt_data_size = p_tcp->ppt_len;
4267 return OPJ_TRUE;
4268 }
4269
4270 static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
4271 opj_stream_private_t *p_stream,
4272 opj_event_mgr_t * p_manager
4273 )
4274 {
4275 OPJ_BYTE * l_current_data = 00;
4276 OPJ_UINT32 l_tlm_size;
4277 OPJ_UINT32 size_per_tile_part;
4278
4279 /* preconditions */
4280 assert(p_j2k != 00);
4281 assert(p_manager != 00);
4282 assert(p_stream != 00);
4283
4284 /* 10921 = (65535 - header_size) / size_per_tile_part where */
4285 /* header_size = 4 and size_per_tile_part = 6 */
4286 if (p_j2k->m_specific_param.m_encoder.m_total_tile_parts > 10921) {
4287 /* We could do more but it would require writing several TLM markers */
4288 opj_event_msg(p_manager, EVT_ERROR,
4289 "A maximum of 10921 tile-parts are supported currently "
4290 "when writing TLM marker\n");
4291 return OPJ_FALSE;
4292 }
4293
4294 if (p_j2k->m_specific_param.m_encoder.m_total_tile_parts <= 255) {
4295 size_per_tile_part = 5;
4296 p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte = OPJ_TRUE;
4297 } else {
4298 size_per_tile_part = 6;
4299 p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte = OPJ_FALSE;
4300 }
4301
4302 l_tlm_size = 2 + 4 + (size_per_tile_part *
4303 p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
4304
4305 if (l_tlm_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
4306 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
4307 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size);
4308 if (! new_header_tile_data) {
4309 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
4310 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
4311 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
4312 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write TLM marker\n");
4313 return OPJ_FALSE;
4314 }
4315 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
4316 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_tlm_size;
4317 }
4318 memset(p_j2k->m_specific_param.m_encoder.m_header_tile_data, 0, l_tlm_size);
4319
4320 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
4321
4322 /* change the way data is written to avoid seeking if possible */
4323 /* TODO */
4324 p_j2k->m_specific_param.m_encoder.m_tlm_start = opj_stream_tell(p_stream);
4325
4326 opj_write_bytes(l_current_data, J2K_MS_TLM,
4327 2); /* TLM */
4328 l_current_data += 2;
4329
4330 opj_write_bytes(l_current_data, l_tlm_size - 2,
4331 2); /* Lpoc */
4332 l_current_data += 2;
4333
4334 opj_write_bytes(l_current_data, 0,
4335 1); /* Ztlm=0*/
4336 ++l_current_data;
4337
4338 /* Stlm 0x50= ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
4339 /* Stlm 0x60= ST=2(16bits-65535 tiles max),SP=1(Ptlm=32bits) */
4340 opj_write_bytes(l_current_data,
4341 size_per_tile_part == 5 ? 0x50 : 0x60,
4342 1);
4343 ++l_current_data;
4344
4345 /* do nothing on the size_per_tile_part * l_j2k->m_specific_param.m_encoder.m_total_tile_parts remaining data */
4346 if (opj_stream_write_data(p_stream,
4347 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size,
4348 p_manager) != l_tlm_size) {
4349 return OPJ_FALSE;
4350 }
4351
4352 return OPJ_TRUE;
4353 }
4354
4355 static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
4356 OPJ_BYTE * p_data,
4357 OPJ_UINT32 total_data_size,
4358 OPJ_UINT32 * p_data_written,
4359 const opj_stream_private_t *p_stream,
4360 opj_event_mgr_t * p_manager
4361 )
4362 {
4363 /* preconditions */
4364 assert(p_j2k != 00);
4365 assert(p_manager != 00);
4366 assert(p_stream != 00);
4367
4368 OPJ_UNUSED(p_stream);
4369
4370 if (total_data_size < 12) {
4371 opj_event_msg(p_manager, EVT_ERROR,
4372 "Not enough bytes in output buffer to write SOT marker\n");
4373 return OPJ_FALSE;
4374 }
4375
4376 opj_write_bytes(p_data, J2K_MS_SOT,
4377 2); /* SOT */
4378 p_data += 2;
4379
4380 opj_write_bytes(p_data, 10,
4381 2); /* Lsot */
4382 p_data += 2;
4383
4384 opj_write_bytes(p_data, p_j2k->m_current_tile_number,
4385 2); /* Isot */
4386 p_data += 2;
4387
4388 /* Psot */
4389 p_data += 4;
4390
4391 opj_write_bytes(p_data,
4392 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number,
4393 1); /* TPsot */
4394 ++p_data;
4395
4396 opj_write_bytes(p_data,
4397 p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts,
4398 1); /* TNsot */
4399 ++p_data;
4400
4401 /* UniPG>> */
4402 #ifdef USE_JPWL
4403 /* update markers struct */
4404 /*
4405 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOT, p_j2k->sot_start, len + 2);
4406 */
4407 assert(0 && "TODO");
4408 #endif /* USE_JPWL */
4409
4410 * p_data_written = 12;
4411
4412 return OPJ_TRUE;
4413 }
4414
4415 static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
4416 OPJ_UINT32 p_header_size,
4417 OPJ_UINT32* p_tile_no,
4418 OPJ_UINT32* p_tot_len,
4419 OPJ_UINT32* p_current_part,
4420 OPJ_UINT32* p_num_parts,
4421 opj_event_mgr_t * p_manager)
4422 {
4423 /* preconditions */
4424 assert(p_header_data != 00);
4425 assert(p_manager != 00);
4426
4427 /* Size of this marker is fixed = 12 (we have already read marker and its size)*/
4428 if (p_header_size != 8) {
4429 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
4430 return OPJ_FALSE;
4431 }
4432
4433 opj_read_bytes(p_header_data, p_tile_no, 2); /* Isot */
4434 p_header_data += 2;
4435 opj_read_bytes(p_header_data, p_tot_len, 4); /* Psot */
4436 p_header_data += 4;
4437 opj_read_bytes(p_header_data, p_current_part, 1); /* TPsot */
4438 ++p_header_data;
4439 opj_read_bytes(p_header_data, p_num_parts, 1); /* TNsot */
4440 ++p_header_data;
4441 return OPJ_TRUE;
4442 }
4443
4444 static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
4445 OPJ_BYTE * p_header_data,
4446 OPJ_UINT32 p_header_size,
4447 opj_event_mgr_t * p_manager)
4448 {
4449 opj_cp_t *l_cp = 00;
4450 opj_tcp_t *l_tcp = 00;
4451 OPJ_UINT32 l_tot_len, l_num_parts = 0;
4452 OPJ_UINT32 l_current_part;
4453 OPJ_UINT32 l_tile_x, l_tile_y;
4454
4455 /* preconditions */
4456
4457 assert(p_j2k != 00);
4458 assert(p_manager != 00);
4459
4460 if (! opj_j2k_get_sot_values(p_header_data, p_header_size,
4461 &(p_j2k->m_current_tile_number), &l_tot_len, &l_current_part, &l_num_parts,
4462 p_manager)) {
4463 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
4464 return OPJ_FALSE;
4465 }
4466 #ifdef DEBUG_VERBOSE
4467 fprintf(stderr, "SOT %d %d %d %d\n",
4468 p_j2k->m_current_tile_number, l_tot_len, l_current_part, l_num_parts);
4469 #endif
4470
4471 l_cp = &(p_j2k->m_cp);
4472
4473 /* testcase 2.pdf.SIGFPE.706.1112 */
4474 if (p_j2k->m_current_tile_number >= l_cp->tw * l_cp->th) {
4475 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile number %d\n",
4476 p_j2k->m_current_tile_number);
4477 return OPJ_FALSE;
4478 }
4479
4480 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
4481 l_tile_x = p_j2k->m_current_tile_number % l_cp->tw;
4482 l_tile_y = p_j2k->m_current_tile_number / l_cp->tw;
4483
4484 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec < 0 ||
4485 p_j2k->m_current_tile_number == (OPJ_UINT32)
4486 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec) {
4487 /* Do only this check if we decode all tile part headers, or if */
4488 /* we decode one precise tile. Otherwise the m_current_tile_part_number */
4489 /* might not be valid */
4490 /* Fixes issue with id_000020,sig_06,src_001958,op_flip4,pos_149 */
4491 /* of https://github.com/uclouvain/openjpeg/issues/939 */
4492 /* We must avoid reading twice the same tile part number for a given tile */
4493 /* so as to avoid various issues, like opj_j2k_merge_ppt being called */
4494 /* several times. */
4495 /* ISO 15444-1 A.4.2 Start of tile-part (SOT) mandates that tile parts */
4496 /* should appear in increasing order. */
4497 if (l_tcp->m_current_tile_part_number + 1 != (OPJ_INT32)l_current_part) {
4498 opj_event_msg(p_manager, EVT_ERROR,
4499 "Invalid tile part index for tile number %d. "
4500 "Got %d, expected %d\n",
4501 p_j2k->m_current_tile_number,
4502 l_current_part,
4503 l_tcp->m_current_tile_part_number + 1);
4504 return OPJ_FALSE;
4505 }
4506 }
4507
4508 l_tcp->m_current_tile_part_number = (OPJ_INT32) l_current_part;
4509
4510 #ifdef USE_JPWL
4511 if (l_cp->correct) {
4512
4513 OPJ_UINT32 tileno = p_j2k->m_current_tile_number;
4514 static OPJ_UINT32 backup_tileno = 0;
4515
4516 /* tileno is negative or larger than the number of tiles!!! */
4517 if (tileno > (l_cp->tw * l_cp->th)) {
4518 opj_event_msg(p_manager, EVT_ERROR,
4519 "JPWL: bad tile number (%d out of a maximum of %d)\n",
4520 tileno, (l_cp->tw * l_cp->th));
4521 if (!JPWL_ASSUME) {
4522 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4523 return OPJ_FALSE;
4524 }
4525 /* we try to correct */
4526 tileno = backup_tileno;
4527 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4528 "- setting tile number to %d\n",
4529 tileno);
4530 }
4531
4532 /* keep your private count of tiles */
4533 backup_tileno++;
4534 };
4535 #endif /* USE_JPWL */
4536
4537 /* look for the tile in the list of already processed tile (in parts). */
4538 /* Optimization possible here with a more complex data structure and with the removing of tiles */
4539 /* since the time taken by this function can only grow at the time */
4540
4541 /* PSot should be equal to zero or >=14 or <= 2^32-1 */
4542 if ((l_tot_len != 0) && (l_tot_len < 14)) {
4543 if (l_tot_len ==
4544 12) { /* MSD: Special case for the PHR data which are read by kakadu*/
4545 opj_event_msg(p_manager, EVT_WARNING, "Empty SOT marker detected: Psot=%d.\n",
4546 l_tot_len);
4547 } else {
4548 opj_event_msg(p_manager, EVT_ERROR,
4549 "Psot value is not correct regards to the JPEG2000 norm: %d.\n", l_tot_len);
4550 return OPJ_FALSE;
4551 }
4552 }
4553
4554 #ifdef USE_JPWL
4555 if (l_cp->correct) {
4556
4557 /* totlen is negative or larger than the bytes left!!! */
4558 if (/*(l_tot_len < 0) ||*/ (l_tot_len >
4559 p_header_size)) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */
4560 opj_event_msg(p_manager, EVT_ERROR,
4561 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
4562 l_tot_len,
4563 p_header_size); /* FIXME it seems correct; for info in V1 -> p_stream_numbytesleft(p_stream) + 8); */
4564 if (!JPWL_ASSUME) {
4565 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4566 return OPJ_FALSE;
4567 }
4568 /* we try to correct */
4569 l_tot_len = 0;
4570 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4571 "- setting Psot to %d => assuming it is the last tile\n",
4572 l_tot_len);
4573 }
4574 };
4575 #endif /* USE_JPWL */
4576
4577 /* Ref A.4.2: Psot could be equal zero if it is the last tile-part of the codestream.*/
4578 if (!l_tot_len) {
4579 opj_event_msg(p_manager, EVT_INFO,
4580 "Psot value of the current tile-part is equal to zero, "
4581 "we assuming it is the last tile-part of the codestream.\n");
4582 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4583 }
4584
4585 if (l_tcp->m_nb_tile_parts != 0 && l_current_part >= l_tcp->m_nb_tile_parts) {
4586 /* Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2851 */
4587 opj_event_msg(p_manager, EVT_ERROR,
4588 "In SOT marker, TPSot (%d) is not valid regards to the previous "
4589 "number of tile-part (%d), giving up\n", l_current_part,
4590 l_tcp->m_nb_tile_parts);
4591 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4592 return OPJ_FALSE;
4593 }
4594
4595 if (l_num_parts !=
4596 0) { /* Number of tile-part header is provided by this tile-part header */
4597 l_num_parts += p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction;
4598 /* Useful to manage the case of textGBR.jp2 file because two values of TNSot are allowed: the correct numbers of
4599 * tile-parts for that tile and zero (A.4.2 of 15444-1 : 2002). */
4600 if (l_tcp->m_nb_tile_parts) {
4601 if (l_current_part >= l_tcp->m_nb_tile_parts) {
4602 opj_event_msg(p_manager, EVT_ERROR,
4603 "In SOT marker, TPSot (%d) is not valid regards to the current "
4604 "number of tile-part (%d), giving up\n", l_current_part,
4605 l_tcp->m_nb_tile_parts);
4606 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4607 return OPJ_FALSE;
4608 }
4609 }
4610 if (l_current_part >= l_num_parts) {
4611 /* testcase 451.pdf.SIGSEGV.ce9.3723 */
4612 opj_event_msg(p_manager, EVT_ERROR,
4613 "In SOT marker, TPSot (%d) is not valid regards to the current "
4614 "number of tile-part (header) (%d), giving up\n", l_current_part, l_num_parts);
4615 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4616 return OPJ_FALSE;
4617 }
4618 l_tcp->m_nb_tile_parts = l_num_parts;
4619 }
4620
4621 /* If know the number of tile part header we will check if we didn't read the last*/
4622 if (l_tcp->m_nb_tile_parts) {
4623 if (l_tcp->m_nb_tile_parts == (l_current_part + 1)) {
4624 p_j2k->m_specific_param.m_decoder.m_can_decode =
4625 1; /* Process the last tile-part header*/
4626 }
4627 }
4628
4629 if (!p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4630 /* Keep the size of data to skip after this marker */
4631 p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len -
4632 12; /* SOT_marker_size = 12 */
4633 } else {
4634 /* FIXME: need to be computed from the number of bytes remaining in the codestream */
4635 p_j2k->m_specific_param.m_decoder.m_sot_length = 0;
4636 }
4637
4638 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPH;
4639
4640 /* Check if the current tile is outside the area we want decode or not corresponding to the tile index*/
4641 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec == -1) {
4642 p_j2k->m_specific_param.m_decoder.m_skip_data =
4643 (l_tile_x < p_j2k->m_specific_param.m_decoder.m_start_tile_x)
4644 || (l_tile_x >= p_j2k->m_specific_param.m_decoder.m_end_tile_x)
4645 || (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y)
4646 || (l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y);
4647 } else {
4648 assert(p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec >= 0);
4649 p_j2k->m_specific_param.m_decoder.m_skip_data =
4650 (p_j2k->m_current_tile_number != (OPJ_UINT32)
4651 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec);
4652 }
4653
4654 /* Index */
4655 {
4656 assert(p_j2k->cstr_index->tile_index != 00);
4657 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tileno =
4658 p_j2k->m_current_tile_number;
4659 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno =
4660 l_current_part;
4661
4662 if (!p_j2k->m_specific_param.m_decoder.m_tlm.m_is_invalid &&
4663 l_num_parts >
4664 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps) {
4665 opj_event_msg(p_manager, EVT_WARNING,
4666 "SOT marker for tile %u declares more tile-parts than found in TLM marker.",
4667 p_j2k->m_current_tile_number);
4668 p_j2k->m_specific_param.m_decoder.m_tlm.m_is_invalid = OPJ_TRUE;
4669 }
4670
4671 if (!p_j2k->m_specific_param.m_decoder.m_tlm.m_is_invalid) {
4672 /* do nothing */
4673 } else if (l_num_parts != 0) {
4674
4675 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps =
4676 l_num_parts;
4677 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4678 l_num_parts;
4679
4680 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4681 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4682 (opj_tp_index_t*)opj_calloc(l_num_parts, sizeof(opj_tp_index_t));
4683 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4684 opj_event_msg(p_manager, EVT_ERROR,
4685 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4686 return OPJ_FALSE;
4687 }
4688 } else {
4689 opj_tp_index_t *new_tp_index = (opj_tp_index_t *) opj_realloc(
4690 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4691 l_num_parts * sizeof(opj_tp_index_t));
4692 if (! new_tp_index) {
4693 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4694 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4695 opj_event_msg(p_manager, EVT_ERROR,
4696 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4697 return OPJ_FALSE;
4698 }
4699 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4700 new_tp_index;
4701 }
4702 } else {
4703 /*if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index)*/ {
4704
4705 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4706 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 10;
4707 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4708 (opj_tp_index_t*)opj_calloc(
4709 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps,
4710 sizeof(opj_tp_index_t));
4711 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4712 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4713 opj_event_msg(p_manager, EVT_ERROR,
4714 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4715 return OPJ_FALSE;
4716 }
4717 }
4718
4719 if (l_current_part >=
4720 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps) {
4721 opj_tp_index_t *new_tp_index;
4722 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4723 l_current_part + 1;
4724 new_tp_index = (opj_tp_index_t *) opj_realloc(
4725 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4726 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps *
4727 sizeof(opj_tp_index_t));
4728 if (! new_tp_index) {
4729 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4730 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4731 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4732 opj_event_msg(p_manager, EVT_ERROR,
4733 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4734 return OPJ_FALSE;
4735 }
4736 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4737 new_tp_index;
4738 }
4739 }
4740
4741 }
4742
4743 }
4744
4745 return OPJ_TRUE;
4746 }
4747
4748 /**
4749 * Write one or more PLT markers in the provided buffer
4750 */
4751 static OPJ_BOOL opj_j2k_write_plt_in_memory(opj_j2k_t *p_j2k,
4752 opj_tcd_marker_info_t* marker_info,
4753 OPJ_BYTE * p_data,
4754 OPJ_UINT32 * p_data_written,
4755 opj_event_mgr_t * p_manager)
4756 {
4757 OPJ_BYTE Zplt = 0;
4758 OPJ_UINT16 Lplt;
4759 OPJ_BYTE* p_data_start = p_data;
4760 OPJ_BYTE* p_data_Lplt = p_data + 2;
4761 OPJ_UINT32 i;
4762
4763 OPJ_UNUSED(p_j2k);
4764
4765 opj_write_bytes(p_data, J2K_MS_PLT, 2);
4766 p_data += 2;
4767
4768 /* Reserve space for Lplt */
4769 p_data += 2;
4770
4771 opj_write_bytes(p_data, Zplt, 1);
4772 p_data += 1;
4773
4774 Lplt = 3;
4775
4776 for (i = 0; i < marker_info->packet_count; i++) {
4777 OPJ_BYTE var_bytes[5];
4778 OPJ_UINT8 var_bytes_size = 0;
4779 OPJ_UINT32 packet_size = marker_info->p_packet_size[i];
4780
4781 /* Packet size written in variable-length way, starting with LSB */
4782 var_bytes[var_bytes_size] = (OPJ_BYTE)(packet_size & 0x7f);
4783 var_bytes_size ++;
4784 packet_size >>= 7;
4785 while (packet_size > 0) {
4786 var_bytes[var_bytes_size] = (OPJ_BYTE)((packet_size & 0x7f) | 0x80);
4787 var_bytes_size ++;
4788 packet_size >>= 7;
4789 }
4790
4791 /* Check if that can fit in the current PLT marker. If not, finish */
4792 /* current one, and start a new one */
4793 if (Lplt + var_bytes_size > 65535) {
4794 if (Zplt == 255) {
4795 opj_event_msg(p_manager, EVT_ERROR,
4796 "More than 255 PLT markers would be needed for current tile-part !\n");
4797 return OPJ_FALSE;
4798 }
4799
4800 /* Patch Lplt */
4801 opj_write_bytes(p_data_Lplt, Lplt, 2);
4802
4803 /* Start new segment */
4804 opj_write_bytes(p_data, J2K_MS_PLT, 2);
4805 p_data += 2;
4806
4807 /* Reserve space for Lplt */
4808 p_data_Lplt = p_data;
4809 p_data += 2;
4810
4811 Zplt ++;
4812 opj_write_bytes(p_data, Zplt, 1);
4813 p_data += 1;
4814
4815 Lplt = 3;
4816 }
4817
4818 Lplt = (OPJ_UINT16)(Lplt + var_bytes_size);
4819
4820 /* Serialize variable-length packet size, starting with MSB */
4821 for (; var_bytes_size > 0; --var_bytes_size) {
4822 opj_write_bytes(p_data, var_bytes[var_bytes_size - 1], 1);
4823 p_data += 1;
4824 }
4825 }
4826
4827 *p_data_written = (OPJ_UINT32)(p_data - p_data_start);
4828
4829 /* Patch Lplt */
4830 opj_write_bytes(p_data_Lplt, Lplt, 2);
4831
4832 return OPJ_TRUE;
4833 }
4834
4835 static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
4836 opj_tcd_t * p_tile_coder,
4837 OPJ_BYTE * p_data,
4838 OPJ_UINT32 * p_data_written,
4839 OPJ_UINT32 total_data_size,
4840 const opj_stream_private_t *p_stream,
4841 opj_event_mgr_t * p_manager
4842 )
4843 {
4844 opj_codestream_info_t *l_cstr_info = 00;
4845 OPJ_UINT32 l_remaining_data;
4846 opj_tcd_marker_info_t* marker_info = NULL;
4847
4848 /* preconditions */
4849 assert(p_j2k != 00);
4850 assert(p_manager != 00);
4851 assert(p_stream != 00);
4852
4853 OPJ_UNUSED(p_stream);
4854
4855 if (total_data_size < 4) {
4856 opj_event_msg(p_manager, EVT_ERROR,
4857 "Not enough bytes in output buffer to write SOD marker\n");
4858 return OPJ_FALSE;
4859 }
4860
4861 opj_write_bytes(p_data, J2K_MS_SOD,
4862 2); /* SOD */
4863
4864 /* make room for the EOF marker */
4865 l_remaining_data = total_data_size - 4;
4866
4867 /* update tile coder */
4868 p_tile_coder->tp_num =
4869 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number ;
4870 p_tile_coder->cur_tp_num =
4871 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
4872
4873 /* INDEX >> */
4874 /* TODO mergeV2: check this part which use cstr_info */
4875 /*l_cstr_info = p_j2k->cstr_info;
4876 if (l_cstr_info) {
4877 if (!p_j2k->m_specific_param.m_encoder.m_current_tile_part_number ) {
4878 //TODO cstr_info->tile[p_j2k->m_current_tile_number].end_header = p_stream_tell(p_stream) + p_j2k->pos_correction - 1;
4879 l_cstr_info->tile[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
4880 }
4881 else {*/
4882 /*
4883 TODO
4884 if
4885 (cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno - 1].end_pos < p_stream_tell(p_stream))
4886 {
4887 cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno].start_pos = p_stream_tell(p_stream);
4888 }*/
4889 /*}*/
4890 /* UniPG>> */
4891 #ifdef USE_JPWL
4892 /* update markers struct */
4893 /*OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOD, p_j2k->sod_start, 2);
4894 */
4895 assert(0 && "TODO");
4896 #endif /* USE_JPWL */
4897 /* <<UniPG */
4898 /*}*/
4899 /* << INDEX */
4900
4901 if (p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0) {
4902 p_tile_coder->tcd_image->tiles->packno = 0;
4903 #ifdef deadcode
4904 if (l_cstr_info) {
4905 l_cstr_info->packno = 0;
4906 }
4907 #endif
4908 }
4909
4910 *p_data_written = 0;
4911
4912 if (p_j2k->m_specific_param.m_encoder.m_PLT) {
4913 marker_info = opj_tcd_marker_info_create(
4914 p_j2k->m_specific_param.m_encoder.m_PLT);
4915 if (marker_info == NULL) {
4916 opj_event_msg(p_manager, EVT_ERROR,
4917 "Cannot encode tile: opj_tcd_marker_info_create() failed\n");
4918 return OPJ_FALSE;
4919 }
4920 }
4921
4922 if (l_remaining_data <
4923 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT) {
4924 opj_event_msg(p_manager, EVT_ERROR,
4925 "Not enough bytes in output buffer to write SOD marker\n");
4926 opj_tcd_marker_info_destroy(marker_info);
4927 return OPJ_FALSE;
4928 }
4929 l_remaining_data -= p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT;
4930
4931 if (! opj_tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number,
4932 p_data + 2,
4933 p_data_written, l_remaining_data, l_cstr_info,
4934 marker_info,
4935 p_manager)) {
4936 opj_event_msg(p_manager, EVT_ERROR, "Cannot encode tile\n");
4937 opj_tcd_marker_info_destroy(marker_info);
4938 return OPJ_FALSE;
4939 }
4940
4941 /* For SOD */
4942 *p_data_written += 2;
4943
4944 if (p_j2k->m_specific_param.m_encoder.m_PLT) {
4945 OPJ_UINT32 l_data_written_PLT = 0;
4946 OPJ_BYTE* p_PLT_buffer = (OPJ_BYTE*)opj_malloc(
4947 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT);
4948 if (!p_PLT_buffer) {
4949 opj_event_msg(p_manager, EVT_ERROR, "Cannot allocate memory\n");
4950 opj_tcd_marker_info_destroy(marker_info);
4951 return OPJ_FALSE;
4952 }
4953 if (!opj_j2k_write_plt_in_memory(p_j2k,
4954 marker_info,
4955 p_PLT_buffer,
4956 &l_data_written_PLT,
4957 p_manager)) {
4958 opj_tcd_marker_info_destroy(marker_info);
4959 opj_free(p_PLT_buffer);
4960 return OPJ_FALSE;
4961 }
4962
4963 assert(l_data_written_PLT <=
4964 p_j2k->m_specific_param.m_encoder.m_reserved_bytes_for_PLT);
4965
4966 /* Move PLT marker(s) before SOD */
4967 memmove(p_data + l_data_written_PLT, p_data, *p_data_written);
4968 memcpy(p_data, p_PLT_buffer, l_data_written_PLT);
4969 opj_free(p_PLT_buffer);
4970 *p_data_written += l_data_written_PLT;
4971 }
4972
4973 opj_tcd_marker_info_destroy(marker_info);
4974
4975 return OPJ_TRUE;
4976 }
4977
4978 static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
4979 opj_stream_private_t *p_stream,
4980 opj_event_mgr_t * p_manager
4981 )
4982 {
4983 OPJ_SIZE_T l_current_read_size;
4984 opj_codestream_index_t * l_cstr_index = 00;
4985 OPJ_BYTE ** l_current_data = 00;
4986 opj_tcp_t * l_tcp = 00;
4987 OPJ_UINT32 * l_tile_len = 00;
4988 OPJ_BOOL l_sot_length_pb_detected = OPJ_FALSE;
4989
4990 /* preconditions */
4991 assert(p_j2k != 00);
4992 assert(p_manager != 00);
4993 assert(p_stream != 00);
4994
4995 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
4996
4997 if (p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4998 /* opj_stream_get_number_byte_left returns OPJ_OFF_T
4999 // but we are in the last tile part,
5000 // so its result will fit on OPJ_UINT32 unless we find
5001 // a file with a single tile part of more than 4 GB...*/
5002 p_j2k->m_specific_param.m_decoder.m_sot_length = (OPJ_UINT32)(
5003 opj_stream_get_number_byte_left(p_stream) - 2);
5004 } else {
5005 /* Check to avoid pass the limit of OPJ_UINT32 */
5006 if (p_j2k->m_specific_param.m_decoder.m_sot_length >= 2) {
5007 p_j2k->m_specific_param.m_decoder.m_sot_length -= 2;
5008 } else {
5009 /* MSD: case commented to support empty SOT marker (PHR data) */
5010 }
5011 }
5012
5013 l_current_data = &(l_tcp->m_data);
5014 l_tile_len = &l_tcp->m_data_size;
5015
5016 /* Patch to support new PHR data */
5017 if (p_j2k->m_specific_param.m_decoder.m_sot_length) {
5018 /* If we are here, we'll try to read the data after allocation */
5019 /* Check enough bytes left in stream before allocation */
5020 if ((OPJ_OFF_T)p_j2k->m_specific_param.m_decoder.m_sot_length >
5021 opj_stream_get_number_byte_left(p_stream)) {
5022 if (p_j2k->m_cp.strict) {
5023 opj_event_msg(p_manager, EVT_ERROR,
5024 "Tile part length size inconsistent with stream length\n");
5025 return OPJ_FALSE;
5026 } else {
5027 opj_event_msg(p_manager, EVT_WARNING,
5028 "Tile part length size inconsistent with stream length\n");
5029 }
5030 }
5031 if (p_j2k->m_specific_param.m_decoder.m_sot_length >
5032 UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA) {
5033 opj_event_msg(p_manager, EVT_ERROR,
5034 "p_j2k->m_specific_param.m_decoder.m_sot_length > "
5035 "UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA");
5036 return OPJ_FALSE;
5037 }
5038 /* Add a margin of OPJ_COMMON_CBLK_DATA_EXTRA to the allocation we */
5039 /* do so that opj_mqc_init_dec_common() can safely add a synthetic */
5040 /* 0xFFFF marker. */
5041 if (! *l_current_data) {
5042 /* LH: oddly enough, in this path, l_tile_len!=0.
5043 * TODO: If this was consistent, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...).
5044 */
5045 *l_current_data = (OPJ_BYTE*) opj_malloc(
5046 p_j2k->m_specific_param.m_decoder.m_sot_length + OPJ_COMMON_CBLK_DATA_EXTRA);
5047 } else {
5048 OPJ_BYTE *l_new_current_data;
5049 if (*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA -
5050 p_j2k->m_specific_param.m_decoder.m_sot_length) {
5051 opj_event_msg(p_manager, EVT_ERROR,
5052 "*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA - "
5053 "p_j2k->m_specific_param.m_decoder.m_sot_length");
5054 return OPJ_FALSE;
5055 }
5056
5057 l_new_current_data = (OPJ_BYTE *) opj_realloc(*l_current_data,
5058 *l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length +
5059 OPJ_COMMON_CBLK_DATA_EXTRA);
5060 if (! l_new_current_data) {
5061 opj_free(*l_current_data);
5062 /*nothing more is done as l_current_data will be set to null, and just
5063 afterward we enter in the error path
5064 and the actual tile_len is updated (committed) at the end of the
5065 function. */
5066 }
5067 *l_current_data = l_new_current_data;
5068 }
5069
5070 if (*l_current_data == 00) {
5071 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile\n");
5072 return OPJ_FALSE;
5073 }
5074 } else {
5075 l_sot_length_pb_detected = OPJ_TRUE;
5076 }
5077
5078 /* Index */
5079 l_cstr_index = p_j2k->cstr_index;
5080 {
5081 OPJ_OFF_T l_current_pos = opj_stream_tell(p_stream) - 2;
5082
5083 OPJ_UINT32 l_current_tile_part =
5084 l_cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno;
5085 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_header
5086 =
5087 l_current_pos;
5088 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_pos
5089 =
5090 l_current_pos + p_j2k->m_specific_param.m_decoder.m_sot_length + 2;
5091
5092 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
5093 l_cstr_index,
5094 J2K_MS_SOD,
5095 l_current_pos,
5096 p_j2k->m_specific_param.m_decoder.m_sot_length + 2)) {
5097 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
5098 return OPJ_FALSE;
5099 }
5100
5101 /*l_cstr_index->packno = 0;*/
5102 }
5103
5104 /* Patch to support new PHR data */
5105 if (!l_sot_length_pb_detected) {
5106 l_current_read_size = opj_stream_read_data(
5107 p_stream,
5108 *l_current_data + *l_tile_len,
5109 p_j2k->m_specific_param.m_decoder.m_sot_length,
5110 p_manager);
5111 } else {
5112 l_current_read_size = 0;
5113 }
5114
5115 if (l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length) {
5116 if (l_current_read_size == (OPJ_SIZE_T)(-1)) {
5117 /* Avoid issue of https://github.com/uclouvain/openjpeg/issues/1533 */
5118 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
5119 return OPJ_FALSE;
5120 }
5121 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
5122 } else {
5123 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
5124 }
5125
5126 *l_tile_len += (OPJ_UINT32)l_current_read_size;
5127
5128 return OPJ_TRUE;
5129 }
5130
5131 static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
5132 OPJ_UINT32 p_tile_no,
5133 OPJ_UINT32 p_comp_no,
5134 OPJ_UINT32 nb_comps,
5135 opj_stream_private_t *p_stream,
5136 opj_event_mgr_t * p_manager
5137 )
5138 {
5139 OPJ_BYTE * l_current_data = 00;
5140 OPJ_UINT32 l_rgn_size;
5141 opj_cp_t *l_cp = 00;
5142 opj_tcp_t *l_tcp = 00;
5143 opj_tccp_t *l_tccp = 00;
5144 OPJ_UINT32 l_comp_room;
5145
5146 /* preconditions */
5147 assert(p_j2k != 00);
5148 assert(p_manager != 00);
5149 assert(p_stream != 00);
5150
5151 l_cp = &(p_j2k->m_cp);
5152 l_tcp = &l_cp->tcps[p_tile_no];
5153 l_tccp = &l_tcp->tccps[p_comp_no];
5154
5155 if (nb_comps <= 256) {
5156 l_comp_room = 1;
5157 } else {
5158 l_comp_room = 2;
5159 }
5160
5161 l_rgn_size = 6 + l_comp_room;
5162
5163 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5164
5165 opj_write_bytes(l_current_data, J2K_MS_RGN,
5166 2); /* RGN */
5167 l_current_data += 2;
5168
5169 opj_write_bytes(l_current_data, l_rgn_size - 2,
5170 2); /* Lrgn */
5171 l_current_data += 2;
5172
5173 opj_write_bytes(l_current_data, p_comp_no,
5174 l_comp_room); /* Crgn */
5175 l_current_data += l_comp_room;
5176
5177 opj_write_bytes(l_current_data, 0,
5178 1); /* Srgn */
5179 ++l_current_data;
5180
5181 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tccp->roishift,
5182 1); /* SPrgn */
5183 ++l_current_data;
5184
5185 if (opj_stream_write_data(p_stream,
5186 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_rgn_size,
5187 p_manager) != l_rgn_size) {
5188 return OPJ_FALSE;
5189 }
5190
5191 return OPJ_TRUE;
5192 }
5193
5194 static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
5195 opj_stream_private_t *p_stream,
5196 opj_event_mgr_t * p_manager
5197 )
5198 {
5199 /* preconditions */
5200 assert(p_j2k != 00);
5201 assert(p_manager != 00);
5202 assert(p_stream != 00);
5203
5204 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_header_tile_data,
5205 J2K_MS_EOC, 2); /* EOC */
5206
5207 /* UniPG>> */
5208 #ifdef USE_JPWL
5209 /* update markers struct */
5210 /*
5211 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_EOC, p_stream_tell(p_stream) - 2, 2);
5212 */
5213 #endif /* USE_JPWL */
5214
5215 if (opj_stream_write_data(p_stream,
5216 p_j2k->m_specific_param.m_encoder.m_header_tile_data, 2, p_manager) != 2) {
5217 return OPJ_FALSE;
5218 }
5219
5220 if (! opj_stream_flush(p_stream, p_manager)) {
5221 return OPJ_FALSE;
5222 }
5223
5224 return OPJ_TRUE;
5225 }
5226
5227 /**
5228 * Reads a RGN marker (Region Of Interest)
5229 *
5230 * @param p_header_data the data contained in the POC box.
5231 * @param p_j2k the jpeg2000 codec.
5232 * @param p_header_size the size of the data contained in the POC marker.
5233 * @param p_manager the user event manager.
5234 */
5235 static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
5236 OPJ_BYTE * p_header_data,
5237 OPJ_UINT32 p_header_size,
5238 opj_event_mgr_t * p_manager
5239 )
5240 {
5241 OPJ_UINT32 l_nb_comp;
5242 opj_image_t * l_image = 00;
5243
5244 opj_cp_t *l_cp = 00;
5245 opj_tcp_t *l_tcp = 00;
5246 OPJ_UINT32 l_comp_room, l_comp_no, l_roi_sty;
5247
5248 /* preconditions*/
5249 assert(p_header_data != 00);
5250 assert(p_j2k != 00);
5251 assert(p_manager != 00);
5252
5253 l_image = p_j2k->m_private_image;
5254 l_nb_comp = l_image->numcomps;
5255
5256 if (l_nb_comp <= 256) {
5257 l_comp_room = 1;
5258 } else {
5259 l_comp_room = 2;
5260 }
5261
5262 if (p_header_size != 2 + l_comp_room) {
5263 opj_event_msg(p_manager, EVT_ERROR, "Error reading RGN marker\n");
5264 return OPJ_FALSE;
5265 }
5266
5267 l_cp = &(p_j2k->m_cp);
5268 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
5269 &l_cp->tcps[p_j2k->m_current_tile_number] :
5270 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5271
5272 opj_read_bytes(p_header_data, &l_comp_no, l_comp_room); /* Crgn */
5273 p_header_data += l_comp_room;
5274 opj_read_bytes(p_header_data, &l_roi_sty,
5275 1); /* Srgn */
5276 ++p_header_data;
5277
5278 #ifdef USE_JPWL
5279 if (l_cp->correct) {
5280 /* totlen is negative or larger than the bytes left!!! */
5281 if (l_comp_room >= l_nb_comp) {
5282 opj_event_msg(p_manager, EVT_ERROR,
5283 "JPWL: bad component number in RGN (%d when there are only %d)\n",
5284 l_comp_room, l_nb_comp);
5285 if (!JPWL_ASSUME) {
5286 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
5287 return OPJ_FALSE;
5288 }
5289 }
5290 };
5291 #endif /* USE_JPWL */
5292
5293 /* testcase 3635.pdf.asan.77.2930 */
5294 if (l_comp_no >= l_nb_comp) {
5295 opj_event_msg(p_manager, EVT_ERROR,
5296 "bad component number in RGN (%d when there are only %d)\n",
5297 l_comp_no, l_nb_comp);
5298 return OPJ_FALSE;
5299 }
5300
5301 opj_read_bytes(p_header_data,
5302 (OPJ_UINT32 *)(&(l_tcp->tccps[l_comp_no].roishift)), 1); /* SPrgn */
5303 ++p_header_data;
5304
5305 return OPJ_TRUE;
5306
5307 }
5308
5309 static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)
5310 {
5311 return (OPJ_FLOAT32)((p_tcp->m_nb_tile_parts - 1) * 14);
5312 }
5313
5314 static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp)
5315 {
5316 (void)p_tcp;
5317 return 0;
5318 }
5319
5320 static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
5321 opj_stream_private_t *p_stream,
5322 opj_event_mgr_t * p_manager)
5323 {
5324 opj_cp_t * l_cp = 00;
5325 opj_image_t * l_image = 00;
5326 opj_tcp_t * l_tcp = 00;
5327 opj_image_comp_t * l_img_comp = 00;
5328
5329 OPJ_UINT32 i, j, k;
5330 OPJ_INT32 l_x0, l_y0, l_x1, l_y1;
5331 OPJ_FLOAT32 * l_rates = 0;
5332 OPJ_FLOAT32 l_sot_remove;
5333 OPJ_UINT32 l_bits_empty, l_size_pixel;
5334 OPJ_UINT64 l_tile_size = 0;
5335 OPJ_UINT32 l_last_res;
5336 OPJ_FLOAT32(* l_tp_stride_func)(opj_tcp_t *) = 00;
5337
5338 /* preconditions */
5339 assert(p_j2k != 00);
5340 assert(p_manager != 00);
5341 assert(p_stream != 00);
5342
5343 OPJ_UNUSED(p_manager);
5344
5345 l_cp = &(p_j2k->m_cp);
5346 l_image = p_j2k->m_private_image;
5347 l_tcp = l_cp->tcps;
5348
5349 l_bits_empty = 8 * l_image->comps->dx * l_image->comps->dy;
5350 l_size_pixel = l_image->numcomps * l_image->comps->prec;
5351 l_sot_remove = (OPJ_FLOAT32) opj_stream_tell(p_stream) / (OPJ_FLOAT32)(
5352 l_cp->th * l_cp->tw);
5353
5354 if (l_cp->m_specific_param.m_enc.m_tp_on) {
5355 l_tp_stride_func = opj_j2k_get_tp_stride;
5356 } else {
5357 l_tp_stride_func = opj_j2k_get_default_stride;
5358 }
5359
5360 for (i = 0; i < l_cp->th; ++i) {
5361 for (j = 0; j < l_cp->tw; ++j) {
5362 OPJ_FLOAT32 l_offset = (OPJ_FLOAT32)(*l_tp_stride_func)(l_tcp) /
5363 (OPJ_FLOAT32)l_tcp->numlayers;
5364
5365 /* 4 borders of the tile rescale on the image if necessary */
5366 l_x0 = opj_int_max((OPJ_INT32)(l_cp->tx0 + j * l_cp->tdx),
5367 (OPJ_INT32)l_image->x0);
5368 l_y0 = opj_int_max((OPJ_INT32)(l_cp->ty0 + i * l_cp->tdy),
5369 (OPJ_INT32)l_image->y0);
5370 l_x1 = opj_int_min((OPJ_INT32)(l_cp->tx0 + (j + 1) * l_cp->tdx),
5371 (OPJ_INT32)l_image->x1);
5372 l_y1 = opj_int_min((OPJ_INT32)(l_cp->ty0 + (i + 1) * l_cp->tdy),
5373 (OPJ_INT32)l_image->y1);
5374
5375 l_rates = l_tcp->rates;
5376
5377 /* Modification of the RATE >> */
5378 for (k = 0; k < l_tcp->numlayers; ++k) {
5379 if (*l_rates > 0.0f) {
5380 *l_rates = (OPJ_FLOAT32)(((OPJ_FLOAT64)l_size_pixel * (OPJ_UINT32)(
5381 l_x1 - l_x0) *
5382 (OPJ_UINT32)(l_y1 - l_y0))
5383 / ((*l_rates) * (OPJ_FLOAT32)l_bits_empty))
5384 -
5385 l_offset;
5386 }
5387
5388 ++l_rates;
5389 }
5390
5391 ++l_tcp;
5392
5393 }
5394 }
5395
5396 l_tcp = l_cp->tcps;
5397
5398 for (i = 0; i < l_cp->th; ++i) {
5399 for (j = 0; j < l_cp->tw; ++j) {
5400 l_rates = l_tcp->rates;
5401
5402 if (*l_rates > 0.0f) {
5403 *l_rates -= l_sot_remove;
5404
5405 if (*l_rates < 30.0f) {
5406 *l_rates = 30.0f;
5407 }
5408 }
5409
5410 ++l_rates;
5411
5412 l_last_res = l_tcp->numlayers - 1;
5413
5414 for (k = 1; k < l_last_res; ++k) {
5415
5416 if (*l_rates > 0.0f) {
5417 *l_rates -= l_sot_remove;
5418
5419 if (*l_rates < * (l_rates - 1) + 10.0f) {
5420 *l_rates = (*(l_rates - 1)) + 20.0f;
5421 }
5422 }
5423
5424 ++l_rates;
5425 }
5426
5427 if (*l_rates > 0.0f) {
5428 *l_rates -= (l_sot_remove + 2.f);
5429
5430 if (*l_rates < * (l_rates - 1) + 10.0f) {
5431 *l_rates = (*(l_rates - 1)) + 20.0f;
5432 }
5433 }
5434
5435 ++l_tcp;
5436 }
5437 }
5438
5439 l_img_comp = l_image->comps;
5440 l_tile_size = 0;
5441
5442 for (i = 0; i < l_image->numcomps; ++i) {
5443 l_tile_size += (OPJ_UINT64)opj_uint_ceildiv(l_cp->tdx, l_img_comp->dx)
5444 *
5445 opj_uint_ceildiv(l_cp->tdy, l_img_comp->dy)
5446 *
5447 l_img_comp->prec;
5448
5449 ++l_img_comp;
5450 }
5451
5452 /* TODO: where does this magic value come from ? */
5453 /* This used to be 1.3 / 8, but with random data and very small code */
5454 /* block sizes, this is not enough. For example with */
5455 /* bin/test_tile_encoder 1 256 256 32 32 8 0 reversible_with_precinct.j2k 4 4 3 0 0 1 16 16 */
5456 /* TODO revise this to take into account the overhead linked to the */
5457 /* number of packets and number of code blocks in packets */
5458 l_tile_size = (OPJ_UINT64)((double)l_tile_size * 1.4 / 8);
5459
5460 /* Arbitrary amount to make the following work: */
5461 /* bin/test_tile_encoder 1 256 256 17 16 8 0 reversible_no_precinct.j2k 4 4 3 0 0 1 */
5462 l_tile_size += 500;
5463
5464 l_tile_size += opj_j2k_get_specific_header_sizes(p_j2k);
5465
5466 if (l_tile_size > UINT_MAX) {
5467 l_tile_size = UINT_MAX;
5468 }
5469
5470 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = (OPJ_UINT32)l_tile_size;
5471 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data =
5472 (OPJ_BYTE *) opj_malloc(p_j2k->m_specific_param.m_encoder.m_encoded_tile_size);
5473 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00) {
5474 opj_event_msg(p_manager, EVT_ERROR,
5475 "Not enough memory to allocate m_encoded_tile_data. %u MB required\n",
5476 (OPJ_UINT32)(l_tile_size / 1024 / 1024));
5477 return OPJ_FALSE;
5478 }
5479
5480 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
5481 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer =
5482 (OPJ_BYTE *) opj_malloc(6 *
5483 p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
5484 if (! p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
5485 return OPJ_FALSE;
5486 }
5487
5488 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current =
5489 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer;
5490 }
5491
5492 return OPJ_TRUE;
5493 }
5494
5495 #if 0
5496 static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
5497 opj_stream_private_t *p_stream,
5498 opj_event_mgr_t * p_manager)
5499 {
5500 OPJ_UINT32 i;
5501 opj_tcd_t * l_tcd = 00;
5502 OPJ_UINT32 l_nb_tiles;
5503 opj_tcp_t * l_tcp = 00;
5504 OPJ_BOOL l_success;
5505
5506 /* preconditions */
5507 assert(p_j2k != 00);
5508 assert(p_manager != 00);
5509 assert(p_stream != 00);
5510
5511 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
5512 l_tcp = p_j2k->m_cp.tcps;
5513
5514 l_tcd = opj_tcd_create(OPJ_TRUE);
5515 if (l_tcd == 00) {
5516 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5517 return OPJ_FALSE;
5518 }
5519
5520 for (i = 0; i < l_nb_tiles; ++i) {
5521 if (l_tcp->m_data) {
5522 if (! opj_tcd_init_decode_tile(l_tcd, i)) {
5523 opj_tcd_destroy(l_tcd);
5524 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5525 return OPJ_FALSE;
5526 }
5527
5528 l_success = opj_tcd_decode_tile(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i,
5529 p_j2k->cstr_index);
5530 /* cleanup */
5531
5532 if (! l_success) {
5533 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
5534 break;
5535 }
5536 }
5537
5538 opj_j2k_tcp_destroy(l_tcp);
5539 ++l_tcp;
5540 }
5541
5542 opj_tcd_destroy(l_tcd);
5543 return OPJ_TRUE;
5544 }
5545 #endif
5546
5547 static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
5548 struct opj_stream_private *p_stream,
5549 struct opj_event_mgr * p_manager)
5550 {
5551 /* preconditions */
5552 assert(p_j2k != 00);
5553 assert(p_manager != 00);
5554 assert(p_stream != 00);
5555
5556 OPJ_UNUSED(p_manager);
5557
5558 p_j2k->cstr_index->main_head_end = opj_stream_tell(p_stream);
5559
5560 return OPJ_TRUE;
5561 }
5562
5563 static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
5564 struct opj_stream_private *p_stream,
5565 struct opj_event_mgr * p_manager)
5566 {
5567 OPJ_UINT32 i;
5568 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5569 opj_mct_data_t * l_mct_record;
5570 opj_tcp_t * l_tcp;
5571
5572 /* preconditions */
5573 assert(p_j2k != 00);
5574 assert(p_stream != 00);
5575 assert(p_manager != 00);
5576
5577 if (! opj_j2k_write_cbd(p_j2k, p_stream, p_manager)) {
5578 return OPJ_FALSE;
5579 }
5580
5581 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
5582 l_mct_record = l_tcp->m_mct_records;
5583
5584 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5585
5586 if (! opj_j2k_write_mct_record(p_j2k, l_mct_record, p_stream, p_manager)) {
5587 return OPJ_FALSE;
5588 }
5589
5590 ++l_mct_record;
5591 }
5592
5593 l_mcc_record = l_tcp->m_mcc_records;
5594
5595 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5596
5597 if (! opj_j2k_write_mcc_record(p_j2k, l_mcc_record, p_stream, p_manager)) {
5598 return OPJ_FALSE;
5599 }
5600
5601 ++l_mcc_record;
5602 }
5603
5604 if (! opj_j2k_write_mco(p_j2k, p_stream, p_manager)) {
5605 return OPJ_FALSE;
5606 }
5607
5608 return OPJ_TRUE;
5609 }
5610
5611 static OPJ_BOOL opj_j2k_write_all_coc(
5612 opj_j2k_t *p_j2k,
5613 struct opj_stream_private *p_stream,
5614 struct opj_event_mgr * p_manager)
5615 {
5616 OPJ_UINT32 compno;
5617
5618 /* preconditions */
5619 assert(p_j2k != 00);
5620 assert(p_manager != 00);
5621 assert(p_stream != 00);
5622
5623 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5624 /* cod is first component of first tile */
5625 if (! opj_j2k_compare_coc(p_j2k, 0, compno)) {
5626 if (! opj_j2k_write_coc(p_j2k, compno, p_stream, p_manager)) {
5627 return OPJ_FALSE;
5628 }
5629 }
5630 }
5631
5632 return OPJ_TRUE;
5633 }
5634
5635 static OPJ_BOOL opj_j2k_write_all_qcc(
5636 opj_j2k_t *p_j2k,
5637 struct opj_stream_private *p_stream,
5638 struct opj_event_mgr * p_manager)
5639 {
5640 OPJ_UINT32 compno;
5641
5642 /* preconditions */
5643 assert(p_j2k != 00);
5644 assert(p_manager != 00);
5645 assert(p_stream != 00);
5646
5647 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5648 /* qcd is first component of first tile */
5649 if (! opj_j2k_compare_qcc(p_j2k, 0, compno)) {
5650 if (! opj_j2k_write_qcc(p_j2k, compno, p_stream, p_manager)) {
5651 return OPJ_FALSE;
5652 }
5653 }
5654 }
5655 return OPJ_TRUE;
5656 }
5657
5658 static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
5659 struct opj_stream_private *p_stream,
5660 struct opj_event_mgr * p_manager)
5661 {
5662 OPJ_UINT32 compno;
5663 const opj_tccp_t *l_tccp = 00;
5664
5665 /* preconditions */
5666 assert(p_j2k != 00);
5667 assert(p_manager != 00);
5668 assert(p_stream != 00);
5669
5670 l_tccp = p_j2k->m_cp.tcps->tccps;
5671
5672 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
5673 if (l_tccp->roishift) {
5674
5675 if (! opj_j2k_write_rgn(p_j2k, 0, compno, p_j2k->m_private_image->numcomps,
5676 p_stream, p_manager)) {
5677 return OPJ_FALSE;
5678 }
5679 }
5680
5681 ++l_tccp;
5682 }
5683
5684 return OPJ_TRUE;
5685 }
5686
5687 static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
5688 struct opj_stream_private *p_stream,
5689 struct opj_event_mgr * p_manager)
5690 {
5691 opj_codestream_index_t * l_cstr_index = 00;
5692
5693 /* preconditions */
5694 assert(p_j2k != 00);
5695 assert(p_manager != 00);
5696 assert(p_stream != 00);
5697
5698 OPJ_UNUSED(p_manager);
5699
5700 l_cstr_index = p_j2k->cstr_index;
5701 if (l_cstr_index) {
5702 l_cstr_index->codestream_size = (OPJ_UINT64)opj_stream_tell(p_stream);
5703 /* UniPG>> */
5704 /* The following adjustment is done to adjust the codestream size */
5705 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
5706 /* the first bunch of bytes is not in the codestream */
5707 l_cstr_index->codestream_size -= (OPJ_UINT64)l_cstr_index->main_head_start;
5708 /* <<UniPG */
5709 }
5710
5711 #ifdef USE_JPWL
5712 /* preparation of JPWL marker segments */
5713 #if 0
5714 if (cp->epc_on) {
5715
5716 /* encode according to JPWL */
5717 jpwl_encode(p_j2k, p_stream, image);
5718
5719 }
5720 #endif
5721 assert(0 && "TODO");
5722 #endif /* USE_JPWL */
5723
5724 return OPJ_TRUE;
5725 }
5726
5727 static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
5728 opj_stream_private_t *p_stream,
5729 OPJ_UINT32 *output_marker,
5730 opj_event_mgr_t * p_manager
5731 )
5732 {
5733 OPJ_UINT32 l_unknown_marker;
5734 const opj_dec_memory_marker_handler_t * l_marker_handler;
5735 OPJ_UINT32 l_size_unk = 2;
5736
5737 /* preconditions*/
5738 assert(p_j2k != 00);
5739 assert(p_manager != 00);
5740 assert(p_stream != 00);
5741
5742 opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n");
5743
5744 for (;;) {
5745 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
5746 if (opj_stream_read_data(p_stream,
5747 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
5748 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
5749 return OPJ_FALSE;
5750 }
5751
5752 /* read 2 bytes as the new marker ID*/
5753 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
5754 &l_unknown_marker, 2);
5755
5756 if (!(l_unknown_marker < 0xff00)) {
5757
5758 /* Get the marker handler from the marker ID*/
5759 l_marker_handler = opj_j2k_get_marker_handler(l_unknown_marker);
5760
5761 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
5762 opj_event_msg(p_manager, EVT_ERROR,
5763 "Marker is not compliant with its position\n");
5764 return OPJ_FALSE;
5765 } else {
5766 if (l_marker_handler->id != J2K_MS_UNK) {
5767 /* Add the marker to the codestream index*/
5768 if (l_marker_handler->id != J2K_MS_SOT) {
5769 OPJ_BOOL res = opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_UNK,
5770 (OPJ_UINT32) opj_stream_tell(p_stream) - l_size_unk,
5771 l_size_unk);
5772 if (res == OPJ_FALSE) {
5773 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
5774 return OPJ_FALSE;
5775 }
5776 }
5777 break; /* next marker is known and well located */
5778 } else {
5779 l_size_unk += 2;
5780 }
5781 }
5782 }
5783 }
5784
5785 *output_marker = l_marker_handler->id ;
5786
5787 return OPJ_TRUE;
5788 }
5789
5790 static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
5791 opj_mct_data_t * p_mct_record,
5792 struct opj_stream_private *p_stream,
5793 struct opj_event_mgr * p_manager)
5794 {
5795 OPJ_UINT32 l_mct_size;
5796 OPJ_BYTE * l_current_data = 00;
5797 OPJ_UINT32 l_tmp;
5798
5799 /* preconditions */
5800 assert(p_j2k != 00);
5801 assert(p_manager != 00);
5802 assert(p_stream != 00);
5803
5804 l_mct_size = 10 + p_mct_record->m_data_size;
5805
5806 if (l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5807 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5808 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size);
5809 if (! new_header_tile_data) {
5810 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5811 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5812 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5813 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCT marker\n");
5814 return OPJ_FALSE;
5815 }
5816 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5817 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mct_size;
5818 }
5819
5820 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5821
5822 opj_write_bytes(l_current_data, J2K_MS_MCT,
5823 2); /* MCT */
5824 l_current_data += 2;
5825
5826 opj_write_bytes(l_current_data, l_mct_size - 2,
5827 2); /* Lmct */
5828 l_current_data += 2;
5829
5830 opj_write_bytes(l_current_data, 0,
5831 2); /* Zmct */
5832 l_current_data += 2;
5833
5834 /* only one marker atm */
5835 l_tmp = (p_mct_record->m_index & 0xff) | (p_mct_record->m_array_type << 8) |
5836 (p_mct_record->m_element_type << 10);
5837
5838 opj_write_bytes(l_current_data, l_tmp, 2);
5839 l_current_data += 2;
5840
5841 opj_write_bytes(l_current_data, 0,
5842 2); /* Ymct */
5843 l_current_data += 2;
5844
5845 memcpy(l_current_data, p_mct_record->m_data, p_mct_record->m_data_size);
5846
5847 if (opj_stream_write_data(p_stream,
5848 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size,
5849 p_manager) != l_mct_size) {
5850 return OPJ_FALSE;
5851 }
5852
5853 return OPJ_TRUE;
5854 }
5855
5856 /**
5857 * Reads a MCT marker (Multiple Component Transform)
5858 *
5859 * @param p_header_data the data contained in the MCT box.
5860 * @param p_j2k the jpeg2000 codec.
5861 * @param p_header_size the size of the data contained in the MCT marker.
5862 * @param p_manager the user event manager.
5863 */
5864 static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
5865 OPJ_BYTE * p_header_data,
5866 OPJ_UINT32 p_header_size,
5867 opj_event_mgr_t * p_manager
5868 )
5869 {
5870 OPJ_UINT32 i;
5871 opj_tcp_t *l_tcp = 00;
5872 OPJ_UINT32 l_tmp;
5873 OPJ_UINT32 l_indix;
5874 opj_mct_data_t * l_mct_data;
5875
5876 /* preconditions */
5877 assert(p_header_data != 00);
5878 assert(p_j2k != 00);
5879
5880 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5881 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5882 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5883
5884 if (p_header_size < 2) {
5885 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5886 return OPJ_FALSE;
5887 }
5888
5889 /* first marker */
5890 opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmct */
5891 p_header_data += 2;
5892 if (l_tmp != 0) {
5893 opj_event_msg(p_manager, EVT_WARNING,
5894 "Cannot take in charge mct data within multiple MCT records\n");
5895 return OPJ_TRUE;
5896 }
5897
5898 if (p_header_size <= 6) {
5899 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5900 return OPJ_FALSE;
5901 }
5902
5903 /* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/
5904 opj_read_bytes(p_header_data, &l_tmp, 2); /* Imct */
5905 p_header_data += 2;
5906
5907 l_indix = l_tmp & 0xff;
5908 l_mct_data = l_tcp->m_mct_records;
5909
5910 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5911 if (l_mct_data->m_index == l_indix) {
5912 break;
5913 }
5914 ++l_mct_data;
5915 }
5916
5917 /* NOT FOUND */
5918 if (i == l_tcp->m_nb_mct_records) {
5919 if (l_tcp->m_nb_mct_records == l_tcp->m_nb_max_mct_records) {
5920 opj_mct_data_t *new_mct_records;
5921 l_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
5922
5923 new_mct_records = (opj_mct_data_t *) opj_realloc(l_tcp->m_mct_records,
5924 l_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
5925 if (! new_mct_records) {
5926 opj_free(l_tcp->m_mct_records);
5927 l_tcp->m_mct_records = NULL;
5928 l_tcp->m_nb_max_mct_records = 0;
5929 l_tcp->m_nb_mct_records = 0;
5930 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCT marker\n");
5931 return OPJ_FALSE;
5932 }
5933
5934 /* Update m_mcc_records[].m_offset_array and m_decorrelation_array
5935 * to point to the new addresses */
5936 if (new_mct_records != l_tcp->m_mct_records) {
5937 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5938 opj_simple_mcc_decorrelation_data_t* l_mcc_record =
5939 &(l_tcp->m_mcc_records[i]);
5940 if (l_mcc_record->m_decorrelation_array) {
5941 l_mcc_record->m_decorrelation_array =
5942 new_mct_records +
5943 (l_mcc_record->m_decorrelation_array -
5944 l_tcp->m_mct_records);
5945 }
5946 if (l_mcc_record->m_offset_array) {
5947 l_mcc_record->m_offset_array =
5948 new_mct_records +
5949 (l_mcc_record->m_offset_array -
5950 l_tcp->m_mct_records);
5951 }
5952 }
5953 }
5954
5955 l_tcp->m_mct_records = new_mct_records;
5956 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5957 memset(l_mct_data, 0, (l_tcp->m_nb_max_mct_records - l_tcp->m_nb_mct_records) *
5958 sizeof(opj_mct_data_t));
5959 }
5960
5961 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5962 ++l_tcp->m_nb_mct_records;
5963 }
5964
5965 if (l_mct_data->m_data) {
5966 opj_free(l_mct_data->m_data);
5967 l_mct_data->m_data = 00;
5968 l_mct_data->m_data_size = 0;
5969 }
5970
5971 l_mct_data->m_index = l_indix;
5972 l_mct_data->m_array_type = (J2K_MCT_ARRAY_TYPE)((l_tmp >> 8) & 3);
5973 l_mct_data->m_element_type = (J2K_MCT_ELEMENT_TYPE)((l_tmp >> 10) & 3);
5974
5975 opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymct */
5976 p_header_data += 2;
5977 if (l_tmp != 0) {
5978 opj_event_msg(p_manager, EVT_WARNING,
5979 "Cannot take in charge multiple MCT markers\n");
5980 return OPJ_TRUE;
5981 }
5982
5983 p_header_size -= 6;
5984
5985 l_mct_data->m_data = (OPJ_BYTE*)opj_malloc(p_header_size);
5986 if (! l_mct_data->m_data) {
5987 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5988 return OPJ_FALSE;
5989 }
5990 memcpy(l_mct_data->m_data, p_header_data, p_header_size);
5991
5992 l_mct_data->m_data_size = p_header_size;
5993
5994 return OPJ_TRUE;
5995 }
5996
5997 static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
5998 struct opj_simple_mcc_decorrelation_data * p_mcc_record,
5999 struct opj_stream_private *p_stream,
6000 struct opj_event_mgr * p_manager)
6001 {
6002 OPJ_UINT32 i;
6003 OPJ_UINT32 l_mcc_size;
6004 OPJ_BYTE * l_current_data = 00;
6005 OPJ_UINT32 l_nb_bytes_for_comp;
6006 OPJ_UINT32 l_mask;
6007 OPJ_UINT32 l_tmcc;
6008
6009 /* preconditions */
6010 assert(p_j2k != 00);
6011 assert(p_manager != 00);
6012 assert(p_stream != 00);
6013
6014 if (p_mcc_record->m_nb_comps > 255) {
6015 l_nb_bytes_for_comp = 2;
6016 l_mask = 0x8000;
6017 } else {
6018 l_nb_bytes_for_comp = 1;
6019 l_mask = 0;
6020 }
6021
6022 l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19;
6023 if (l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6024 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6025 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size);
6026 if (! new_header_tile_data) {
6027 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6028 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6029 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6030 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCC marker\n");
6031 return OPJ_FALSE;
6032 }
6033 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6034 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mcc_size;
6035 }
6036
6037 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6038
6039 opj_write_bytes(l_current_data, J2K_MS_MCC,
6040 2); /* MCC */
6041 l_current_data += 2;
6042
6043 opj_write_bytes(l_current_data, l_mcc_size - 2,
6044 2); /* Lmcc */
6045 l_current_data += 2;
6046
6047 /* first marker */
6048 opj_write_bytes(l_current_data, 0,
6049 2); /* Zmcc */
6050 l_current_data += 2;
6051
6052 opj_write_bytes(l_current_data, p_mcc_record->m_index,
6053 1); /* Imcc -> no need for other values, take the first */
6054 ++l_current_data;
6055
6056 /* only one marker atm */
6057 opj_write_bytes(l_current_data, 0,
6058 2); /* Ymcc */
6059 l_current_data += 2;
6060
6061 opj_write_bytes(l_current_data, 1,
6062 2); /* Qmcc -> number of collections -> 1 */
6063 l_current_data += 2;
6064
6065 opj_write_bytes(l_current_data, 0x1,
6066 1); /* Xmcci type of component transformation -> array based decorrelation */
6067 ++l_current_data;
6068
6069 opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
6070 2); /* Nmcci number of input components involved and size for each component offset = 8 bits */
6071 l_current_data += 2;
6072
6073 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
6074 opj_write_bytes(l_current_data, i,
6075 l_nb_bytes_for_comp); /* Cmccij Component offset*/
6076 l_current_data += l_nb_bytes_for_comp;
6077 }
6078
6079 opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
6080 2); /* Mmcci number of output components involved and size for each component offset = 8 bits */
6081 l_current_data += 2;
6082
6083 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
6084 opj_write_bytes(l_current_data, i,
6085 l_nb_bytes_for_comp); /* Wmccij Component offset*/
6086 l_current_data += l_nb_bytes_for_comp;
6087 }
6088
6089 l_tmcc = ((!p_mcc_record->m_is_irreversible) & 1U) << 16;
6090
6091 if (p_mcc_record->m_decorrelation_array) {
6092 l_tmcc |= p_mcc_record->m_decorrelation_array->m_index;
6093 }
6094
6095 if (p_mcc_record->m_offset_array) {
6096 l_tmcc |= ((p_mcc_record->m_offset_array->m_index) << 8);
6097 }
6098
6099 opj_write_bytes(l_current_data, l_tmcc,
6100 3); /* Tmcci : use MCT defined as number 1 and irreversible array based. */
6101 l_current_data += 3;
6102
6103 if (opj_stream_write_data(p_stream,
6104 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size,
6105 p_manager) != l_mcc_size) {
6106 return OPJ_FALSE;
6107 }
6108
6109 return OPJ_TRUE;
6110 }
6111
6112 static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
6113 OPJ_BYTE * p_header_data,
6114 OPJ_UINT32 p_header_size,
6115 opj_event_mgr_t * p_manager)
6116 {
6117 OPJ_UINT32 i, j;
6118 OPJ_UINT32 l_tmp;
6119 OPJ_UINT32 l_indix;
6120 opj_tcp_t * l_tcp;
6121 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6122 opj_mct_data_t * l_mct_data;
6123 OPJ_UINT32 l_nb_collections;
6124 OPJ_UINT32 l_nb_comps;
6125 OPJ_UINT32 l_nb_bytes_by_comp;
6126 OPJ_BOOL l_new_mcc = OPJ_FALSE;
6127
6128 /* preconditions */
6129 assert(p_header_data != 00);
6130 assert(p_j2k != 00);
6131 assert(p_manager != 00);
6132
6133 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
6134 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
6135 p_j2k->m_specific_param.m_decoder.m_default_tcp;
6136
6137 if (p_header_size < 2) {
6138 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6139 return OPJ_FALSE;
6140 }
6141
6142 /* first marker */
6143 opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmcc */
6144 p_header_data += 2;
6145 if (l_tmp != 0) {
6146 opj_event_msg(p_manager, EVT_WARNING,
6147 "Cannot take in charge multiple data spanning\n");
6148 return OPJ_TRUE;
6149 }
6150
6151 if (p_header_size < 7) {
6152 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6153 return OPJ_FALSE;
6154 }
6155
6156 opj_read_bytes(p_header_data, &l_indix,
6157 1); /* Imcc -> no need for other values, take the first */
6158 ++p_header_data;
6159
6160 l_mcc_record = l_tcp->m_mcc_records;
6161
6162 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
6163 if (l_mcc_record->m_index == l_indix) {
6164 break;
6165 }
6166 ++l_mcc_record;
6167 }
6168
6169 /** NOT FOUND */
6170 if (i == l_tcp->m_nb_mcc_records) {
6171 if (l_tcp->m_nb_mcc_records == l_tcp->m_nb_max_mcc_records) {
6172 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
6173 l_tcp->m_nb_max_mcc_records += OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
6174
6175 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
6176 l_tcp->m_mcc_records, l_tcp->m_nb_max_mcc_records * sizeof(
6177 opj_simple_mcc_decorrelation_data_t));
6178 if (! new_mcc_records) {
6179 opj_free(l_tcp->m_mcc_records);
6180 l_tcp->m_mcc_records = NULL;
6181 l_tcp->m_nb_max_mcc_records = 0;
6182 l_tcp->m_nb_mcc_records = 0;
6183 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCC marker\n");
6184 return OPJ_FALSE;
6185 }
6186 l_tcp->m_mcc_records = new_mcc_records;
6187 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
6188 memset(l_mcc_record, 0, (l_tcp->m_nb_max_mcc_records - l_tcp->m_nb_mcc_records)
6189 * sizeof(opj_simple_mcc_decorrelation_data_t));
6190 }
6191 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
6192 l_new_mcc = OPJ_TRUE;
6193 }
6194 l_mcc_record->m_index = l_indix;
6195
6196 /* only one marker atm */
6197 opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymcc */
6198 p_header_data += 2;
6199 if (l_tmp != 0) {
6200 opj_event_msg(p_manager, EVT_WARNING,
6201 "Cannot take in charge multiple data spanning\n");
6202 return OPJ_TRUE;
6203 }
6204
6205 opj_read_bytes(p_header_data, &l_nb_collections,
6206 2); /* Qmcc -> number of collections -> 1 */
6207 p_header_data += 2;
6208
6209 if (l_nb_collections > 1) {
6210 opj_event_msg(p_manager, EVT_WARNING,
6211 "Cannot take in charge multiple collections\n");
6212 return OPJ_TRUE;
6213 }
6214
6215 p_header_size -= 7;
6216
6217 for (i = 0; i < l_nb_collections; ++i) {
6218 if (p_header_size < 3) {
6219 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6220 return OPJ_FALSE;
6221 }
6222
6223 opj_read_bytes(p_header_data, &l_tmp,
6224 1); /* Xmcci type of component transformation -> array based decorrelation */
6225 ++p_header_data;
6226
6227 if (l_tmp != 1) {
6228 opj_event_msg(p_manager, EVT_WARNING,
6229 "Cannot take in charge collections other than array decorrelation\n");
6230 return OPJ_TRUE;
6231 }
6232
6233 opj_read_bytes(p_header_data, &l_nb_comps, 2);
6234
6235 p_header_data += 2;
6236 p_header_size -= 3;
6237
6238 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
6239 l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff;
6240
6241 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2)) {
6242 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6243 return OPJ_FALSE;
6244 }
6245
6246 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2);
6247
6248 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
6249 opj_read_bytes(p_header_data, &l_tmp,
6250 l_nb_bytes_by_comp); /* Cmccij Component offset*/
6251 p_header_data += l_nb_bytes_by_comp;
6252
6253 if (l_tmp != j) {
6254 opj_event_msg(p_manager, EVT_WARNING,
6255 "Cannot take in charge collections with indix shuffle\n");
6256 return OPJ_TRUE;
6257 }
6258 }
6259
6260 opj_read_bytes(p_header_data, &l_nb_comps, 2);
6261 p_header_data += 2;
6262
6263 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
6264 l_nb_comps &= 0x7fff;
6265
6266 if (l_nb_comps != l_mcc_record->m_nb_comps) {
6267 opj_event_msg(p_manager, EVT_WARNING,
6268 "Cannot take in charge collections without same number of indixes\n");
6269 return OPJ_TRUE;
6270 }
6271
6272 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3)) {
6273 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6274 return OPJ_FALSE;
6275 }
6276
6277 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3);
6278
6279 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
6280 opj_read_bytes(p_header_data, &l_tmp,
6281 l_nb_bytes_by_comp); /* Wmccij Component offset*/
6282 p_header_data += l_nb_bytes_by_comp;
6283
6284 if (l_tmp != j) {
6285 opj_event_msg(p_manager, EVT_WARNING,
6286 "Cannot take in charge collections with indix shuffle\n");
6287 return OPJ_TRUE;
6288 }
6289 }
6290
6291 opj_read_bytes(p_header_data, &l_tmp, 3); /* Wmccij Component offset*/
6292 p_header_data += 3;
6293
6294 l_mcc_record->m_is_irreversible = !((l_tmp >> 16) & 1);
6295 l_mcc_record->m_decorrelation_array = 00;
6296 l_mcc_record->m_offset_array = 00;
6297
6298 l_indix = l_tmp & 0xff;
6299 if (l_indix != 0) {
6300 l_mct_data = l_tcp->m_mct_records;
6301 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6302 if (l_mct_data->m_index == l_indix) {
6303 l_mcc_record->m_decorrelation_array = l_mct_data;
6304 break;
6305 }
6306 ++l_mct_data;
6307 }
6308
6309 if (l_mcc_record->m_decorrelation_array == 00) {
6310 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6311 return OPJ_FALSE;
6312 }
6313 }
6314
6315 l_indix = (l_tmp >> 8) & 0xff;
6316 if (l_indix != 0) {
6317 l_mct_data = l_tcp->m_mct_records;
6318 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6319 if (l_mct_data->m_index == l_indix) {
6320 l_mcc_record->m_offset_array = l_mct_data;
6321 break;
6322 }
6323 ++l_mct_data;
6324 }
6325
6326 if (l_mcc_record->m_offset_array == 00) {
6327 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6328 return OPJ_FALSE;
6329 }
6330 }
6331 }
6332
6333 if (p_header_size != 0) {
6334 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6335 return OPJ_FALSE;
6336 }
6337
6338 if (l_new_mcc) {
6339 ++l_tcp->m_nb_mcc_records;
6340 }
6341
6342 return OPJ_TRUE;
6343 }
6344
6345 static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
6346 struct opj_stream_private *p_stream,
6347 struct opj_event_mgr * p_manager
6348 )
6349 {
6350 OPJ_BYTE * l_current_data = 00;
6351 OPJ_UINT32 l_mco_size;
6352 opj_tcp_t * l_tcp = 00;
6353 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6354 OPJ_UINT32 i;
6355
6356 /* preconditions */
6357 assert(p_j2k != 00);
6358 assert(p_manager != 00);
6359 assert(p_stream != 00);
6360
6361 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
6362
6363 l_mco_size = 5 + l_tcp->m_nb_mcc_records;
6364 if (l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6365
6366 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6367 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size);
6368 if (! new_header_tile_data) {
6369 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6370 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6371 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6372 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCO marker\n");
6373 return OPJ_FALSE;
6374 }
6375 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6376 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
6377 }
6378 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6379
6380
6381 opj_write_bytes(l_current_data, J2K_MS_MCO, 2); /* MCO */
6382 l_current_data += 2;
6383
6384 opj_write_bytes(l_current_data, l_mco_size - 2, 2); /* Lmco */
6385 l_current_data += 2;
6386
6387 opj_write_bytes(l_current_data, l_tcp->m_nb_mcc_records,
6388 1); /* Nmco : only one transform stage*/
6389 ++l_current_data;
6390
6391 l_mcc_record = l_tcp->m_mcc_records;
6392 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
6393 opj_write_bytes(l_current_data, l_mcc_record->m_index,
6394 1); /* Imco -> use the mcc indicated by 1*/
6395 ++l_current_data;
6396 ++l_mcc_record;
6397 }
6398
6399 if (opj_stream_write_data(p_stream,
6400 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size,
6401 p_manager) != l_mco_size) {
6402 return OPJ_FALSE;
6403 }
6404
6405 return OPJ_TRUE;
6406 }
6407
6408 /**
6409 * Reads a MCO marker (Multiple Component Transform Ordering)
6410 *
6411 * @param p_header_data the data contained in the MCO box.
6412 * @param p_j2k the jpeg2000 codec.
6413 * @param p_header_size the size of the data contained in the MCO marker.
6414 * @param p_manager the user event manager.
6415 */
6416 static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
6417 OPJ_BYTE * p_header_data,
6418 OPJ_UINT32 p_header_size,
6419 opj_event_mgr_t * p_manager
6420 )
6421 {
6422 OPJ_UINT32 l_tmp, i;
6423 OPJ_UINT32 l_nb_stages;
6424 opj_tcp_t * l_tcp;
6425 opj_tccp_t * l_tccp;
6426 opj_image_t * l_image;
6427
6428 /* preconditions */
6429 assert(p_header_data != 00);
6430 assert(p_j2k != 00);
6431 assert(p_manager != 00);
6432
6433 l_image = p_j2k->m_private_image;
6434 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
6435 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
6436 p_j2k->m_specific_param.m_decoder.m_default_tcp;
6437
6438 if (p_header_size < 1) {
6439 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCO marker\n");
6440 return OPJ_FALSE;
6441 }
6442
6443 opj_read_bytes(p_header_data, &l_nb_stages,
6444 1); /* Nmco : only one transform stage*/
6445 ++p_header_data;
6446
6447 if (l_nb_stages > 1) {
6448 opj_event_msg(p_manager, EVT_WARNING,
6449 "Cannot take in charge multiple transformation stages.\n");
6450 return OPJ_TRUE;
6451 }
6452
6453 if (p_header_size != l_nb_stages + 1) {
6454 opj_event_msg(p_manager, EVT_WARNING, "Error reading MCO marker\n");
6455 return OPJ_FALSE;
6456 }
6457
6458 l_tccp = l_tcp->tccps;
6459
6460 for (i = 0; i < l_image->numcomps; ++i) {
6461 l_tccp->m_dc_level_shift = 0;
6462 ++l_tccp;
6463 }
6464
6465 if (l_tcp->m_mct_decoding_matrix) {
6466 opj_free(l_tcp->m_mct_decoding_matrix);
6467 l_tcp->m_mct_decoding_matrix = 00;
6468 }
6469
6470 for (i = 0; i < l_nb_stages; ++i) {
6471 opj_read_bytes(p_header_data, &l_tmp, 1);
6472 ++p_header_data;
6473
6474 if (! opj_j2k_add_mct(l_tcp, p_j2k->m_private_image, l_tmp)) {
6475 return OPJ_FALSE;
6476 }
6477 }
6478
6479 return OPJ_TRUE;
6480 }
6481
6482 static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
6483 OPJ_UINT32 p_index)
6484 {
6485 OPJ_UINT32 i;
6486 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6487 opj_mct_data_t * l_deco_array, * l_offset_array;
6488 OPJ_UINT32 l_data_size, l_mct_size, l_offset_size;
6489 OPJ_UINT32 l_nb_elem;
6490 OPJ_UINT32 * l_offset_data, * l_current_offset_data;
6491 opj_tccp_t * l_tccp;
6492
6493 /* preconditions */
6494 assert(p_tcp != 00);
6495
6496 l_mcc_record = p_tcp->m_mcc_records;
6497
6498 for (i = 0; i < p_tcp->m_nb_mcc_records; ++i) {
6499 if (l_mcc_record->m_index == p_index) {
6500 break;
6501 }
6502 }
6503
6504 if (i == p_tcp->m_nb_mcc_records) {
6505 /** element discarded **/
6506 return OPJ_TRUE;
6507 }
6508
6509 if (l_mcc_record->m_nb_comps != p_image->numcomps) {
6510 /** do not support number of comps != image */
6511 return OPJ_TRUE;
6512 }
6513
6514 l_deco_array = l_mcc_record->m_decorrelation_array;
6515
6516 if (l_deco_array) {
6517 l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps
6518 * p_image->numcomps;
6519 if (l_deco_array->m_data_size != l_data_size) {
6520 return OPJ_FALSE;
6521 }
6522
6523 l_nb_elem = p_image->numcomps * p_image->numcomps;
6524 l_mct_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
6525 p_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
6526
6527 if (! p_tcp->m_mct_decoding_matrix) {
6528 return OPJ_FALSE;
6529 }
6530
6531 j2k_mct_read_functions_to_float[l_deco_array->m_element_type](
6532 l_deco_array->m_data, p_tcp->m_mct_decoding_matrix, l_nb_elem);
6533 }
6534
6535 l_offset_array = l_mcc_record->m_offset_array;
6536
6537 if (l_offset_array) {
6538 l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] *
6539 p_image->numcomps;
6540 if (l_offset_array->m_data_size != l_data_size) {
6541 return OPJ_FALSE;
6542 }
6543
6544 l_nb_elem = p_image->numcomps;
6545 l_offset_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_UINT32);
6546 l_offset_data = (OPJ_UINT32*)opj_malloc(l_offset_size);
6547
6548 if (! l_offset_data) {
6549 return OPJ_FALSE;
6550 }
6551
6552 j2k_mct_read_functions_to_int32[l_offset_array->m_element_type](
6553 l_offset_array->m_data, l_offset_data, l_nb_elem);
6554
6555 l_tccp = p_tcp->tccps;
6556 l_current_offset_data = l_offset_data;
6557
6558 for (i = 0; i < p_image->numcomps; ++i) {
6559 l_tccp->m_dc_level_shift = (OPJ_INT32) * (l_current_offset_data++);
6560 ++l_tccp;
6561 }
6562
6563 opj_free(l_offset_data);
6564 }
6565
6566 return OPJ_TRUE;
6567 }
6568
6569 static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
6570 struct opj_stream_private *p_stream,
6571 struct opj_event_mgr * p_manager)
6572 {
6573 OPJ_UINT32 i;
6574 OPJ_UINT32 l_cbd_size;
6575 OPJ_BYTE * l_current_data = 00;
6576 opj_image_t *l_image = 00;
6577 opj_image_comp_t * l_comp = 00;
6578
6579 /* preconditions */
6580 assert(p_j2k != 00);
6581 assert(p_manager != 00);
6582 assert(p_stream != 00);
6583
6584 l_image = p_j2k->m_private_image;
6585 l_cbd_size = 6 + p_j2k->m_private_image->numcomps;
6586
6587 if (l_cbd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6588 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6589 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size);
6590 if (! new_header_tile_data) {
6591 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6592 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6593 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6594 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write CBD marker\n");
6595 return OPJ_FALSE;
6596 }
6597 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6598 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_cbd_size;
6599 }
6600
6601 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6602
6603 opj_write_bytes(l_current_data, J2K_MS_CBD, 2); /* CBD */
6604 l_current_data += 2;
6605
6606 opj_write_bytes(l_current_data, l_cbd_size - 2, 2); /* L_CBD */
6607 l_current_data += 2;
6608
6609 opj_write_bytes(l_current_data, l_image->numcomps, 2); /* Ncbd */
6610 l_current_data += 2;
6611
6612 l_comp = l_image->comps;
6613
6614 for (i = 0; i < l_image->numcomps; ++i) {
6615 opj_write_bytes(l_current_data, (l_comp->sgnd << 7) | (l_comp->prec - 1),
6616 1); /* Component bit depth */
6617 ++l_current_data;
6618
6619 ++l_comp;
6620 }
6621
6622 if (opj_stream_write_data(p_stream,
6623 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size,
6624 p_manager) != l_cbd_size) {
6625 return OPJ_FALSE;
6626 }
6627
6628 return OPJ_TRUE;
6629 }
6630
6631 /**
6632 * Reads a CBD marker (Component bit depth definition)
6633 * @param p_header_data the data contained in the CBD box.
6634 * @param p_j2k the jpeg2000 codec.
6635 * @param p_header_size the size of the data contained in the CBD marker.
6636 * @param p_manager the user event manager.
6637 */
6638 static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
6639 OPJ_BYTE * p_header_data,
6640 OPJ_UINT32 p_header_size,
6641 opj_event_mgr_t * p_manager
6642 )
6643 {
6644 OPJ_UINT32 l_nb_comp, l_num_comp;
6645 OPJ_UINT32 l_comp_def;
6646 OPJ_UINT32 i;
6647 opj_image_comp_t * l_comp = 00;
6648
6649 /* preconditions */
6650 assert(p_header_data != 00);
6651 assert(p_j2k != 00);
6652 assert(p_manager != 00);
6653
6654 l_num_comp = p_j2k->m_private_image->numcomps;
6655
6656 if (p_header_size != (p_j2k->m_private_image->numcomps + 2)) {
6657 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
6658 return OPJ_FALSE;
6659 }
6660
6661 opj_read_bytes(p_header_data, &l_nb_comp,
6662 2); /* Ncbd */
6663 p_header_data += 2;
6664
6665 if (l_nb_comp != l_num_comp) {
6666 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
6667 return OPJ_FALSE;
6668 }
6669
6670 l_comp = p_j2k->m_private_image->comps;
6671 for (i = 0; i < l_num_comp; ++i) {
6672 opj_read_bytes(p_header_data, &l_comp_def,
6673 1); /* Component bit depth */
6674 ++p_header_data;
6675 l_comp->sgnd = (l_comp_def >> 7) & 1;
6676 l_comp->prec = (l_comp_def & 0x7f) + 1;
6677
6678 if (l_comp->prec > 31) {
6679 opj_event_msg(p_manager, EVT_ERROR,
6680 "Invalid values for comp = %d : prec=%u (should be between 1 and 38 according to the JPEG2000 norm. OpenJpeg only supports up to 31)\n",
6681 i, l_comp->prec);
6682 return OPJ_FALSE;
6683 }
6684 ++l_comp;
6685 }
6686
6687 return OPJ_TRUE;
6688 }
6689
6690 /**
6691 * Reads a CAP marker (extended capabilities definition). Empty implementation.
6692 * Found in HTJ2K files.
6693 *
6694 * @param p_header_data the data contained in the CAP box.
6695 * @param p_j2k the jpeg2000 codec.
6696 * @param p_header_size the size of the data contained in the CAP marker.
6697 * @param p_manager the user event manager.
6698 */
6699 static OPJ_BOOL opj_j2k_read_cap(opj_j2k_t *p_j2k,
6700 OPJ_BYTE * p_header_data,
6701 OPJ_UINT32 p_header_size,
6702 opj_event_mgr_t * p_manager
6703 )
6704 {
6705 /* preconditions */
6706 assert(p_header_data != 00);
6707 assert(p_j2k != 00);
6708 assert(p_manager != 00);
6709
6710 (void)p_j2k;
6711 (void)p_header_data;
6712 (void)p_header_size;
6713 (void)p_manager;
6714
6715 return OPJ_TRUE;
6716 }
6717
6718 /**
6719 * Reads a CPF marker (corresponding profile). Empty implementation. Found in HTJ2K files
6720 * @param p_header_data the data contained in the CPF box.
6721 * @param p_j2k the jpeg2000 codec.
6722 * @param p_header_size the size of the data contained in the CPF marker.
6723 * @param p_manager the user event manager.
6724 */
6725 static OPJ_BOOL opj_j2k_read_cpf(opj_j2k_t *p_j2k,
6726 OPJ_BYTE * p_header_data,
6727 OPJ_UINT32 p_header_size,
6728 opj_event_mgr_t * p_manager
6729 )
6730 {
6731 /* preconditions */
6732 assert(p_header_data != 00);
6733 assert(p_j2k != 00);
6734 assert(p_manager != 00);
6735
6736 (void)p_j2k;
6737 (void)p_header_data;
6738 (void)p_header_size;
6739 (void)p_manager;
6740
6741 return OPJ_TRUE;
6742 }
6743
6744 /* ----------------------------------------------------------------------- */
6745 /* J2K / JPT decoder interface */
6746 /* ----------------------------------------------------------------------- */
6747
6748 void opj_j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters)
6749 {
6750 if (j2k && parameters) {
6751 j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer;
6752 j2k->m_cp.m_specific_param.m_dec.m_reduce = parameters->cp_reduce;
6753
6754 j2k->dump_state = (parameters->flags & OPJ_DPARAMETERS_DUMP_FLAG);
6755 #ifdef USE_JPWL
6756 j2k->m_cp.correct = parameters->jpwl_correct;
6757 j2k->m_cp.exp_comps = parameters->jpwl_exp_comps;
6758 j2k->m_cp.max_tiles = parameters->jpwl_max_tiles;
6759 #endif /* USE_JPWL */
6760 }
6761 }
6762
6763 void opj_j2k_decoder_set_strict_mode(opj_j2k_t *j2k, OPJ_BOOL strict)
6764 {
6765 if (j2k) {
6766 j2k->m_cp.strict = strict;
6767 if (strict) {
6768 j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
6769 }
6770 }
6771 }
6772
6773 OPJ_BOOL opj_j2k_set_threads(opj_j2k_t *j2k, OPJ_UINT32 num_threads)
6774 {
6775 /* Currently we pass the thread-pool to the tcd, so we cannot re-set it */
6776 /* afterwards */
6777 if (opj_has_thread_support() && j2k->m_tcd == NULL) {
6778 opj_thread_pool_destroy(j2k->m_tp);
6779 j2k->m_tp = NULL;
6780 if (num_threads <= (OPJ_UINT32)INT_MAX) {
6781 j2k->m_tp = opj_thread_pool_create((int)num_threads);
6782 }
6783 if (j2k->m_tp == NULL) {
6784 j2k->m_tp = opj_thread_pool_create(0);
6785 return OPJ_FALSE;
6786 }
6787 return OPJ_TRUE;
6788 }
6789 return OPJ_FALSE;
6790 }
6791
6792 static int opj_j2k_get_default_thread_count(void)
6793 {
6794 const char* num_threads_str = getenv("OPJ_NUM_THREADS");
6795 int num_cpus;
6796 int num_threads;
6797
6798 if (num_threads_str == NULL || !opj_has_thread_support()) {
6799 return 0;
6800 }
6801 num_cpus = opj_get_num_cpus();
6802 if (strcmp(num_threads_str, "ALL_CPUS") == 0) {
6803 return num_cpus;
6804 }
6805 if (num_cpus == 0) {
6806 num_cpus = 32;
6807 }
6808 num_threads = atoi(num_threads_str);
6809 if (num_threads < 0) {
6810 num_threads = 0;
6811 } else if (num_threads > 2 * num_cpus) {
6812 num_threads = 2 * num_cpus;
6813 }
6814 return num_threads;
6815 }
6816
6817 /* ----------------------------------------------------------------------- */
6818 /* J2K encoder interface */
6819 /* ----------------------------------------------------------------------- */
6820
6821 opj_j2k_t* opj_j2k_create_compress(void)
6822 {
6823 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
6824 if (!l_j2k) {
6825 return NULL;
6826 }
6827
6828
6829 l_j2k->m_is_decoder = 0;
6830 l_j2k->m_cp.m_is_decoder = 0;
6831
6832 l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(
6833 OPJ_J2K_DEFAULT_HEADER_SIZE);
6834 if (! l_j2k->m_specific_param.m_encoder.m_header_tile_data) {
6835 opj_j2k_destroy(l_j2k);
6836 return NULL;
6837 }
6838
6839 l_j2k->m_specific_param.m_encoder.m_header_tile_data_size =
6840 OPJ_J2K_DEFAULT_HEADER_SIZE;
6841
6842 /* validation list creation*/
6843 l_j2k->m_validation_list = opj_procedure_list_create();
6844 if (! l_j2k->m_validation_list) {
6845 opj_j2k_destroy(l_j2k);
6846 return NULL;
6847 }
6848
6849 /* execution list creation*/
6850 l_j2k->m_procedure_list = opj_procedure_list_create();
6851 if (! l_j2k->m_procedure_list) {
6852 opj_j2k_destroy(l_j2k);
6853 return NULL;
6854 }
6855
6856 l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
6857 if (!l_j2k->m_tp) {
6858 l_j2k->m_tp = opj_thread_pool_create(0);
6859 }
6860 if (!l_j2k->m_tp) {
6861 opj_j2k_destroy(l_j2k);
6862 return NULL;
6863 }
6864
6865 return l_j2k;
6866 }
6867
6868 static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres)
6869 {
6870 POC[0].tile = 1;
6871 POC[0].resno0 = 0;
6872 POC[0].compno0 = 0;
6873 POC[0].layno1 = 1;
6874 POC[0].resno1 = (OPJ_UINT32)(numres - 1);
6875 POC[0].compno1 = 3;
6876 POC[0].prg1 = OPJ_CPRL;
6877 POC[1].tile = 1;
6878 POC[1].resno0 = (OPJ_UINT32)(numres - 1);
6879 POC[1].compno0 = 0;
6880 POC[1].layno1 = 1;
6881 POC[1].resno1 = (OPJ_UINT32)numres;
6882 POC[1].compno1 = 3;
6883 POC[1].prg1 = OPJ_CPRL;
6884 return 2;
6885 }
6886
6887 static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
6888 opj_image_t *image, opj_event_mgr_t *p_manager)
6889 {
6890 /* Configure cinema parameters */
6891 int i;
6892
6893 /* No tiling */
6894 parameters->tile_size_on = OPJ_FALSE;
6895 parameters->cp_tdx = 1;
6896 parameters->cp_tdy = 1;
6897
6898 /* One tile part for each component */
6899 parameters->tp_flag = 'C';
6900 parameters->tp_on = 1;
6901
6902 /* Tile and Image shall be at (0,0) */
6903 parameters->cp_tx0 = 0;
6904 parameters->cp_ty0 = 0;
6905 parameters->image_offset_x0 = 0;
6906 parameters->image_offset_y0 = 0;
6907
6908 /* Codeblock size= 32*32 */
6909 parameters->cblockw_init = 32;
6910 parameters->cblockh_init = 32;
6911
6912 /* Codeblock style: no mode switch enabled */
6913 parameters->mode = 0;
6914
6915 /* No ROI */
6916 parameters->roi_compno = -1;
6917
6918 /* No subsampling */
6919 parameters->subsampling_dx = 1;
6920 parameters->subsampling_dy = 1;
6921
6922 /* 9-7 transform */
6923 parameters->irreversible = 1;
6924
6925 /* Number of layers */
6926 if (parameters->tcp_numlayers > 1) {
6927 opj_event_msg(p_manager, EVT_WARNING,
6928 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6929 "1 single quality layer"
6930 "-> Number of layers forced to 1 (rather than %d)\n"
6931 "-> Rate of the last layer (%3.1f) will be used",
6932 parameters->tcp_numlayers,
6933 parameters->tcp_rates[parameters->tcp_numlayers - 1]);
6934 parameters->tcp_rates[0] = parameters->tcp_rates[parameters->tcp_numlayers - 1];
6935 parameters->tcp_numlayers = 1;
6936 }
6937
6938 /* Resolution levels */
6939 switch (parameters->rsiz) {
6940 case OPJ_PROFILE_CINEMA_2K:
6941 if (parameters->numresolution > 6) {
6942 opj_event_msg(p_manager, EVT_WARNING,
6943 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6944 "Number of decomposition levels <= 5\n"
6945 "-> Number of decomposition levels forced to 5 (rather than %d)\n",
6946 parameters->numresolution + 1);
6947 parameters->numresolution = 6;
6948 }
6949 break;
6950 case OPJ_PROFILE_CINEMA_4K:
6951 if (parameters->numresolution < 2) {
6952 opj_event_msg(p_manager, EVT_WARNING,
6953 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6954 "Number of decomposition levels >= 1 && <= 6\n"
6955 "-> Number of decomposition levels forced to 1 (rather than %d)\n",
6956 parameters->numresolution + 1);
6957 parameters->numresolution = 1;
6958 } else if (parameters->numresolution > 7) {
6959 opj_event_msg(p_manager, EVT_WARNING,
6960 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6961 "Number of decomposition levels >= 1 && <= 6\n"
6962 "-> Number of decomposition levels forced to 6 (rather than %d)\n",
6963 parameters->numresolution + 1);
6964 parameters->numresolution = 7;
6965 }
6966 break;
6967 default :
6968 break;
6969 }
6970
6971 /* Precincts */
6972 parameters->csty |= J2K_CP_CSTY_PRT;
6973 if (parameters->numresolution == 1) {
6974 parameters->res_spec = 1;
6975 parameters->prcw_init[0] = 128;
6976 parameters->prch_init[0] = 128;
6977 } else {
6978 parameters->res_spec = parameters->numresolution - 1;
6979 for (i = 0; i < parameters->res_spec; i++) {
6980 parameters->prcw_init[i] = 256;
6981 parameters->prch_init[i] = 256;
6982 }
6983 }
6984
6985 /* The progression order shall be CPRL */
6986 parameters->prog_order = OPJ_CPRL;
6987
6988 /* Progression order changes for 4K, disallowed for 2K */
6989 if (parameters->rsiz == OPJ_PROFILE_CINEMA_4K) {
6990 parameters->numpocs = (OPJ_UINT32)opj_j2k_initialise_4K_poc(parameters->POC,
6991 parameters->numresolution);
6992 } else {
6993 parameters->numpocs = 0;
6994 }
6995
6996 /* Limited bit-rate */
6997 parameters->cp_disto_alloc = 1;
6998 if (parameters->max_cs_size <= 0) {
6999 /* No rate has been introduced, 24 fps is assumed */
7000 parameters->max_cs_size = OPJ_CINEMA_24_CS;
7001 opj_event_msg(p_manager, EVT_WARNING,
7002 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
7003 "Maximum 1302083 compressed bytes @ 24fps\n"
7004 "As no rate has been given, this limit will be used.\n");
7005 } else if (parameters->max_cs_size > OPJ_CINEMA_24_CS) {
7006 opj_event_msg(p_manager, EVT_WARNING,
7007 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
7008 "Maximum 1302083 compressed bytes @ 24fps\n"
7009 "-> Specified rate exceeds this limit. Rate will be forced to 1302083 bytes.\n");
7010 parameters->max_cs_size = OPJ_CINEMA_24_CS;
7011 }
7012
7013 if (parameters->max_comp_size <= 0) {
7014 /* No rate has been introduced, 24 fps is assumed */
7015 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
7016 opj_event_msg(p_manager, EVT_WARNING,
7017 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
7018 "Maximum 1041666 compressed bytes @ 24fps\n"
7019 "As no rate has been given, this limit will be used.\n");
7020 } else if (parameters->max_comp_size > OPJ_CINEMA_24_COMP) {
7021 opj_event_msg(p_manager, EVT_WARNING,
7022 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
7023 "Maximum 1041666 compressed bytes @ 24fps\n"
7024 "-> Specified rate exceeds this limit. Rate will be forced to 1041666 bytes.\n");
7025 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
7026 }
7027
7028 parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
7029 image->comps[0].h * image->comps[0].prec) /
7030 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
7031 image->comps[0].dy);
7032
7033 }
7034
7035 static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
7036 opj_event_mgr_t *p_manager)
7037 {
7038 OPJ_UINT32 i;
7039
7040 /* Number of components */
7041 if (image->numcomps != 3) {
7042 opj_event_msg(p_manager, EVT_WARNING,
7043 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
7044 "3 components"
7045 "-> Number of components of input image (%d) is not compliant\n"
7046 "-> Non-profile-3 codestream will be generated\n",
7047 image->numcomps);
7048 return OPJ_FALSE;
7049 }
7050
7051 /* Bitdepth */
7052 for (i = 0; i < image->numcomps; i++) {
7053 if ((image->comps[i].prec != 12) | (image->comps[i].sgnd)) {
7054 char signed_str[] = "signed";
7055 char unsigned_str[] = "unsigned";
7056 char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
7057 opj_event_msg(p_manager, EVT_WARNING,
7058 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
7059 "Precision of each component shall be 12 bits unsigned"
7060 "-> At least component %d of input image (%d bits, %s) is not compliant\n"
7061 "-> Non-profile-3 codestream will be generated\n",
7062 i, image->comps[i].prec, tmp_str);
7063 return OPJ_FALSE;
7064 }
7065 }
7066
7067 /* Image size */
7068 switch (rsiz) {
7069 case OPJ_PROFILE_CINEMA_2K:
7070 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1080))) {
7071 opj_event_msg(p_manager, EVT_WARNING,
7072 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
7073 "width <= 2048 and height <= 1080\n"
7074 "-> Input image size %d x %d is not compliant\n"
7075 "-> Non-profile-3 codestream will be generated\n",
7076 image->comps[0].w, image->comps[0].h);
7077 return OPJ_FALSE;
7078 }
7079 break;
7080 case OPJ_PROFILE_CINEMA_4K:
7081 if (((image->comps[0].w > 4096) | (image->comps[0].h > 2160))) {
7082 opj_event_msg(p_manager, EVT_WARNING,
7083 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
7084 "width <= 4096 and height <= 2160\n"
7085 "-> Image size %d x %d is not compliant\n"
7086 "-> Non-profile-4 codestream will be generated\n",
7087 image->comps[0].w, image->comps[0].h);
7088 return OPJ_FALSE;
7089 }
7090 break;
7091 default :
7092 break;
7093 }
7094
7095 return OPJ_TRUE;
7096 }
7097
7098 static int opj_j2k_get_imf_max_NL(opj_cparameters_t *parameters,
7099 opj_image_t *image)
7100 {
7101 /* Decomposition levels */
7102 const OPJ_UINT16 rsiz = parameters->rsiz;
7103 const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
7104 const OPJ_UINT32 XTsiz = parameters->tile_size_on ? (OPJ_UINT32)
7105 parameters->cp_tdx : image->x1;
7106 switch (profile) {
7107 case OPJ_PROFILE_IMF_2K:
7108 return 5;
7109 case OPJ_PROFILE_IMF_4K:
7110 return 6;
7111 case OPJ_PROFILE_IMF_8K:
7112 return 7;
7113 case OPJ_PROFILE_IMF_2K_R: {
7114 if (XTsiz >= 2048) {
7115 return 5;
7116 } else if (XTsiz >= 1024) {
7117 return 4;
7118 }
7119 break;
7120 }
7121 case OPJ_PROFILE_IMF_4K_R: {
7122 if (XTsiz >= 4096) {
7123 return 6;
7124 } else if (XTsiz >= 2048) {
7125 return 5;
7126 } else if (XTsiz >= 1024) {
7127 return 4;
7128 }
7129 break;
7130 }
7131 case OPJ_PROFILE_IMF_8K_R: {
7132 if (XTsiz >= 8192) {
7133 return 7;
7134 } else if (XTsiz >= 4096) {
7135 return 6;
7136 } else if (XTsiz >= 2048) {
7137 return 5;
7138 } else if (XTsiz >= 1024) {
7139 return 4;
7140 }
7141 break;
7142 }
7143 default:
7144 break;
7145 }
7146 return -1;
7147 }
7148
7149 static void opj_j2k_set_imf_parameters(opj_cparameters_t *parameters,
7150 opj_image_t *image, opj_event_mgr_t *p_manager)
7151 {
7152 const OPJ_UINT16 rsiz = parameters->rsiz;
7153 const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
7154
7155 OPJ_UNUSED(p_manager);
7156
7157 /* Override defaults set by opj_set_default_encoder_parameters */
7158 if (parameters->cblockw_init == OPJ_COMP_PARAM_DEFAULT_CBLOCKW &&
7159 parameters->cblockh_init == OPJ_COMP_PARAM_DEFAULT_CBLOCKH) {
7160 parameters->cblockw_init = 32;
7161 parameters->cblockh_init = 32;
7162 }
7163
7164 /* One tile part for each component */
7165 parameters->tp_flag = 'C';
7166 parameters->tp_on = 1;
7167
7168 if (parameters->prog_order == OPJ_COMP_PARAM_DEFAULT_PROG_ORDER) {
7169 parameters->prog_order = OPJ_CPRL;
7170 }
7171
7172 if (profile == OPJ_PROFILE_IMF_2K ||
7173 profile == OPJ_PROFILE_IMF_4K ||
7174 profile == OPJ_PROFILE_IMF_8K) {
7175 /* 9-7 transform */
7176 parameters->irreversible = 1;
7177 }
7178
7179 /* Adjust the number of resolutions if set to its defaults */
7180 if (parameters->numresolution == OPJ_COMP_PARAM_DEFAULT_NUMRESOLUTION &&
7181 image->x0 == 0 &&
7182 image->y0 == 0) {
7183 const int max_NL = opj_j2k_get_imf_max_NL(parameters, image);
7184 if (max_NL >= 0 && parameters->numresolution > max_NL) {
7185 parameters->numresolution = max_NL + 1;
7186 }
7187
7188 /* Note: below is generic logic */
7189 if (!parameters->tile_size_on) {
7190 while (parameters->numresolution > 0) {
7191 if (image->x1 < (1U << ((OPJ_UINT32)parameters->numresolution - 1U))) {
7192 parameters->numresolution --;
7193 continue;
7194 }
7195 if (image->y1 < (1U << ((OPJ_UINT32)parameters->numresolution - 1U))) {
7196 parameters->numresolution --;
7197 continue;
7198 }
7199 break;
7200 }
7201 }
7202 }
7203
7204 /* Set defaults precincts */
7205 if (parameters->csty == 0) {
7206 parameters->csty |= J2K_CP_CSTY_PRT;
7207 if (parameters->numresolution == 1) {
7208 parameters->res_spec = 1;
7209 parameters->prcw_init[0] = 128;
7210 parameters->prch_init[0] = 128;
7211 } else {
7212 int i;
7213 parameters->res_spec = parameters->numresolution - 1;
7214 for (i = 0; i < parameters->res_spec; i++) {
7215 parameters->prcw_init[i] = 256;
7216 parameters->prch_init[i] = 256;
7217 }
7218 }
7219 }
7220 }
7221
7222 /* Table A.53 from JPEG2000 standard */
7223 static const OPJ_UINT16 tabMaxSubLevelFromMainLevel[] = {
7224 15, /* unspecified */
7225 1,
7226 1,
7227 1,
7228 2,
7229 3,
7230 4,
7231 5,
7232 6,
7233 7,
7234 8,
7235 9
7236 };
7237
7238 static OPJ_BOOL opj_j2k_is_imf_compliant(opj_cparameters_t *parameters,
7239 opj_image_t *image,
7240 opj_event_mgr_t *p_manager)
7241 {
7242 OPJ_UINT32 i;
7243 const OPJ_UINT16 rsiz = parameters->rsiz;
7244 const OPJ_UINT16 profile = OPJ_GET_IMF_PROFILE(rsiz);
7245 const OPJ_UINT16 mainlevel = OPJ_GET_IMF_MAINLEVEL(rsiz);
7246 const OPJ_UINT16 sublevel = OPJ_GET_IMF_SUBLEVEL(rsiz);
7247 const int NL = parameters->numresolution - 1;
7248 const OPJ_UINT32 XTsiz = parameters->tile_size_on ? (OPJ_UINT32)
7249 parameters->cp_tdx : image->x1;
7250 OPJ_BOOL ret = OPJ_TRUE;
7251
7252 /* Validate mainlevel */
7253 if (mainlevel > OPJ_IMF_MAINLEVEL_MAX) {
7254 opj_event_msg(p_manager, EVT_WARNING,
7255 "IMF profile require mainlevel <= 11.\n"
7256 "-> %d is thus not compliant\n"
7257 "-> Non-IMF codestream will be generated\n",
7258 mainlevel);
7259 ret = OPJ_FALSE;
7260 } else {
7261 /* Validate sublevel */
7262 assert(sizeof(tabMaxSubLevelFromMainLevel) ==
7263 (OPJ_IMF_MAINLEVEL_MAX + 1) * sizeof(tabMaxSubLevelFromMainLevel[0]));
7264 if (sublevel > tabMaxSubLevelFromMainLevel[mainlevel]) {
7265 opj_event_msg(p_manager, EVT_WARNING,
7266 "IMF profile require sublevel <= %d for mainlevel = %d.\n"
7267 "-> %d is thus not compliant\n"
7268 "-> Non-IMF codestream will be generated\n",
7269 tabMaxSubLevelFromMainLevel[mainlevel],
7270 mainlevel,
7271 sublevel);
7272 ret = OPJ_FALSE;
7273 }
7274 }
7275
7276 /* Number of components */
7277 if (image->numcomps > 3) {
7278 opj_event_msg(p_manager, EVT_WARNING,
7279 "IMF profiles require at most 3 components.\n"
7280 "-> Number of components of input image (%d) is not compliant\n"
7281 "-> Non-IMF codestream will be generated\n",
7282 image->numcomps);
7283 ret = OPJ_FALSE;
7284 }
7285
7286 if (image->x0 != 0 || image->y0 != 0) {
7287 opj_event_msg(p_manager, EVT_WARNING,
7288 "IMF profiles require image origin to be at 0,0.\n"
7289 "-> %d,%d is not compliant\n"
7290 "-> Non-IMF codestream will be generated\n",
7291 image->x0, image->y0 != 0);
7292 ret = OPJ_FALSE;
7293 }
7294
7295 if (parameters->cp_tx0 != 0 || parameters->cp_ty0 != 0) {
7296 opj_event_msg(p_manager, EVT_WARNING,
7297 "IMF profiles require tile origin to be at 0,0.\n"
7298 "-> %d,%d is not compliant\n"
7299 "-> Non-IMF codestream will be generated\n",
7300 parameters->cp_tx0, parameters->cp_ty0);
7301 ret = OPJ_FALSE;
7302 }
7303
7304 if (parameters->tile_size_on) {
7305 if (profile == OPJ_PROFILE_IMF_2K ||
7306 profile == OPJ_PROFILE_IMF_4K ||
7307 profile == OPJ_PROFILE_IMF_8K) {
7308 if ((OPJ_UINT32)parameters->cp_tdx < image->x1 ||
7309 (OPJ_UINT32)parameters->cp_tdy < image->y1) {
7310 opj_event_msg(p_manager, EVT_WARNING,
7311 "IMF 2K/4K/8K single tile profiles require tile to be greater or equal to image size.\n"
7312 "-> %d,%d is lesser than %d,%d\n"
7313 "-> Non-IMF codestream will be generated\n",
7314 parameters->cp_tdx,
7315 parameters->cp_tdy,
7316 image->x1,
7317 image->y1);
7318 ret = OPJ_FALSE;
7319 }
7320 } else {
7321 if ((OPJ_UINT32)parameters->cp_tdx >= image->x1 &&
7322 (OPJ_UINT32)parameters->cp_tdy >= image->y1) {
7323 /* ok */
7324 } else if (parameters->cp_tdx == 1024 &&
7325 parameters->cp_tdy == 1024) {
7326 /* ok */
7327 } else if (parameters->cp_tdx == 2048 &&
7328 parameters->cp_tdy == 2048 &&
7329 (profile == OPJ_PROFILE_IMF_4K ||
7330 profile == OPJ_PROFILE_IMF_8K)) {
7331 /* ok */
7332 } else if (parameters->cp_tdx == 4096 &&
7333 parameters->cp_tdy == 4096 &&
7334 profile == OPJ_PROFILE_IMF_8K) {
7335 /* ok */
7336 } else {
7337 opj_event_msg(p_manager, EVT_WARNING,
7338 "IMF 2K_R/4K_R/8K_R single/multiple tile profiles "
7339 "require tile to be greater or equal to image size,\n"
7340 "or to be (1024,1024), or (2048,2048) for 4K_R/8K_R "
7341 "or (4096,4096) for 8K_R.\n"
7342 "-> %d,%d is non conformant\n"
7343 "-> Non-IMF codestream will be generated\n",
7344 parameters->cp_tdx,
7345 parameters->cp_tdy);
7346 ret = OPJ_FALSE;
7347 }
7348 }
7349 }
7350
7351 /* Bitdepth */
7352 for (i = 0; i < image->numcomps; i++) {
7353 if (!(image->comps[i].prec >= 8 && image->comps[i].prec <= 16) ||
7354 (image->comps[i].sgnd)) {
7355 char signed_str[] = "signed";
7356 char unsigned_str[] = "unsigned";
7357 char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
7358 opj_event_msg(p_manager, EVT_WARNING,
7359 "IMF profiles require precision of each component to b in [8-16] bits unsigned"
7360 "-> At least component %d of input image (%d bits, %s) is not compliant\n"
7361 "-> Non-IMF codestream will be generated\n",
7362 i, image->comps[i].prec, tmp_str);
7363 ret = OPJ_FALSE;
7364 }
7365 }
7366
7367 /* Sub-sampling */
7368 for (i = 0; i < image->numcomps; i++) {
7369 if (i == 0 && image->comps[i].dx != 1) {
7370 opj_event_msg(p_manager, EVT_WARNING,
7371 "IMF profiles require XRSiz1 == 1. Here it is set to %d.\n"
7372 "-> Non-IMF codestream will be generated\n",
7373 image->comps[i].dx);
7374 ret = OPJ_FALSE;
7375 }
7376 if (i == 1 && image->comps[i].dx != 1 && image->comps[i].dx != 2) {
7377 opj_event_msg(p_manager, EVT_WARNING,
7378 "IMF profiles require XRSiz2 == 1 or 2. Here it is set to %d.\n"
7379 "-> Non-IMF codestream will be generated\n",
7380 image->comps[i].dx);
7381 ret = OPJ_FALSE;
7382 }
7383 if (i > 1 && image->comps[i].dx != image->comps[i - 1].dx) {
7384 opj_event_msg(p_manager, EVT_WARNING,
7385 "IMF profiles require XRSiz%d to be the same as XRSiz2. "
7386 "Here it is set to %d instead of %d.\n"
7387 "-> Non-IMF codestream will be generated\n",
7388 i + 1, image->comps[i].dx, image->comps[i - 1].dx);
7389 ret = OPJ_FALSE;
7390 }
7391 if (image->comps[i].dy != 1) {
7392 opj_event_msg(p_manager, EVT_WARNING,
7393 "IMF profiles require YRsiz == 1. "
7394 "Here it is set to %d for component %d.\n"
7395 "-> Non-IMF codestream will be generated\n",
7396 image->comps[i].dy, i);
7397 ret = OPJ_FALSE;
7398 }
7399 }
7400
7401 /* Image size */
7402 switch (profile) {
7403 case OPJ_PROFILE_IMF_2K:
7404 case OPJ_PROFILE_IMF_2K_R:
7405 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1556))) {
7406 opj_event_msg(p_manager, EVT_WARNING,
7407 "IMF 2K/2K_R profile require:\n"
7408 "width <= 2048 and height <= 1556\n"
7409 "-> Input image size %d x %d is not compliant\n"
7410 "-> Non-IMF codestream will be generated\n",
7411 image->comps[0].w, image->comps[0].h);
7412 ret = OPJ_FALSE;
7413 }
7414 break;
7415 case OPJ_PROFILE_IMF_4K:
7416 case OPJ_PROFILE_IMF_4K_R:
7417 if (((image->comps[0].w > 4096) | (image->comps[0].h > 3112))) {
7418 opj_event_msg(p_manager, EVT_WARNING,
7419 "IMF 4K/4K_R profile require:\n"
7420 "width <= 4096 and height <= 3112\n"
7421 "-> Input image size %d x %d is not compliant\n"
7422 "-> Non-IMF codestream will be generated\n",
7423 image->comps[0].w, image->comps[0].h);
7424 ret = OPJ_FALSE;
7425 }
7426 break;
7427 case OPJ_PROFILE_IMF_8K:
7428 case OPJ_PROFILE_IMF_8K_R:
7429 if (((image->comps[0].w > 8192) | (image->comps[0].h > 6224))) {
7430 opj_event_msg(p_manager, EVT_WARNING,
7431 "IMF 8K/8K_R profile require:\n"
7432 "width <= 8192 and height <= 6224\n"
7433 "-> Input image size %d x %d is not compliant\n"
7434 "-> Non-IMF codestream will be generated\n",
7435 image->comps[0].w, image->comps[0].h);
7436 ret = OPJ_FALSE;
7437 }
7438 break;
7439 default :
7440 assert(0);
7441 return OPJ_FALSE;
7442 }
7443
7444 if (parameters->roi_compno != -1) {
7445 opj_event_msg(p_manager, EVT_WARNING,
7446 "IMF profile forbid RGN / region of interest marker.\n"
7447 "-> Compression parameters specify a ROI\n"
7448 "-> Non-IMF codestream will be generated\n");
7449 ret = OPJ_FALSE;
7450 }
7451
7452 if (parameters->cblockw_init != 32 || parameters->cblockh_init != 32) {
7453 opj_event_msg(p_manager, EVT_WARNING,
7454 "IMF profile require code block size to be 32x32.\n"
7455 "-> Compression parameters set it to %dx%d.\n"
7456 "-> Non-IMF codestream will be generated\n",
7457 parameters->cblockw_init,
7458 parameters->cblockh_init);
7459 ret = OPJ_FALSE;
7460 }
7461
7462 if (parameters->prog_order != OPJ_CPRL) {
7463 opj_event_msg(p_manager, EVT_WARNING,
7464 "IMF profile require progression order to be CPRL.\n"
7465 "-> Compression parameters set it to %d.\n"
7466 "-> Non-IMF codestream will be generated\n",
7467 parameters->prog_order);
7468 ret = OPJ_FALSE;
7469 }
7470
7471 if (parameters->numpocs != 0) {
7472 opj_event_msg(p_manager, EVT_WARNING,
7473 "IMF profile forbid POC markers.\n"
7474 "-> Compression parameters set %d POC.\n"
7475 "-> Non-IMF codestream will be generated\n",
7476 parameters->numpocs);
7477 ret = OPJ_FALSE;
7478 }
7479
7480 /* Codeblock style: no mode switch enabled */
7481 if (parameters->mode != 0) {
7482 opj_event_msg(p_manager, EVT_WARNING,
7483 "IMF profile forbid mode switch in code block style.\n"
7484 "-> Compression parameters set code block style to %d.\n"
7485 "-> Non-IMF codestream will be generated\n",
7486 parameters->mode);
7487 ret = OPJ_FALSE;
7488 }
7489
7490 if (profile == OPJ_PROFILE_IMF_2K ||
7491 profile == OPJ_PROFILE_IMF_4K ||
7492 profile == OPJ_PROFILE_IMF_8K) {
7493 /* Expect 9-7 transform */
7494 if (parameters->irreversible != 1) {
7495 opj_event_msg(p_manager, EVT_WARNING,
7496 "IMF 2K/4K/8K profiles require 9-7 Irreversible Transform.\n"
7497 "-> Compression parameters set it to reversible.\n"
7498 "-> Non-IMF codestream will be generated\n");
7499 ret = OPJ_FALSE;
7500 }
7501 } else {
7502 /* Expect 5-3 transform */
7503 if (parameters->irreversible != 0) {
7504 opj_event_msg(p_manager, EVT_WARNING,
7505 "IMF 2K/4K/8K profiles require 5-3 reversible Transform.\n"
7506 "-> Compression parameters set it to irreversible.\n"
7507 "-> Non-IMF codestream will be generated\n");
7508 ret = OPJ_FALSE;
7509 }
7510 }
7511
7512 /* Number of layers */
7513 if (parameters->tcp_numlayers != 1) {
7514 opj_event_msg(p_manager, EVT_WARNING,
7515 "IMF 2K/4K/8K profiles require 1 single quality layer.\n"
7516 "-> Number of layers is %d.\n"
7517 "-> Non-IMF codestream will be generated\n",
7518 parameters->tcp_numlayers);
7519 ret = OPJ_FALSE;
7520 }
7521
7522 /* Decomposition levels */
7523 switch (profile) {
7524 case OPJ_PROFILE_IMF_2K:
7525 if (!(NL >= 1 && NL <= 5)) {
7526 opj_event_msg(p_manager, EVT_WARNING,
7527 "IMF 2K profile requires 1 <= NL <= 5:\n"
7528 "-> Number of decomposition levels is %d.\n"
7529 "-> Non-IMF codestream will be generated\n",
7530 NL);
7531 ret = OPJ_FALSE;
7532 }
7533 break;
7534 case OPJ_PROFILE_IMF_4K:
7535 if (!(NL >= 1 && NL <= 6)) {
7536 opj_event_msg(p_manager, EVT_WARNING,
7537 "IMF 4K profile requires 1 <= NL <= 6:\n"
7538 "-> Number of decomposition levels is %d.\n"
7539 "-> Non-IMF codestream will be generated\n",
7540 NL);
7541 ret = OPJ_FALSE;
7542 }
7543 break;
7544 case OPJ_PROFILE_IMF_8K:
7545 if (!(NL >= 1 && NL <= 7)) {
7546 opj_event_msg(p_manager, EVT_WARNING,
7547 "IMF 8K profile requires 1 <= NL <= 7:\n"
7548 "-> Number of decomposition levels is %d.\n"
7549 "-> Non-IMF codestream will be generated\n",
7550 NL);
7551 ret = OPJ_FALSE;
7552 }
7553 break;
7554 case OPJ_PROFILE_IMF_2K_R: {
7555 if (XTsiz >= 2048) {
7556 if (!(NL >= 1 && NL <= 5)) {
7557 opj_event_msg(p_manager, EVT_WARNING,
7558 "IMF 2K_R profile requires 1 <= NL <= 5 for XTsiz >= 2048:\n"
7559 "-> Number of decomposition levels is %d.\n"
7560 "-> Non-IMF codestream will be generated\n",
7561 NL);
7562 ret = OPJ_FALSE;
7563 }
7564 } else if (XTsiz >= 1024) {
7565 if (!(NL >= 1 && NL <= 4)) {
7566 opj_event_msg(p_manager, EVT_WARNING,
7567 "IMF 2K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
7568 "-> Number of decomposition levels is %d.\n"
7569 "-> Non-IMF codestream will be generated\n",
7570 NL);
7571 ret = OPJ_FALSE;
7572 }
7573 }
7574 break;
7575 }
7576 case OPJ_PROFILE_IMF_4K_R: {
7577 if (XTsiz >= 4096) {
7578 if (!(NL >= 1 && NL <= 6)) {
7579 opj_event_msg(p_manager, EVT_WARNING,
7580 "IMF 4K_R profile requires 1 <= NL <= 6 for XTsiz >= 4096:\n"
7581 "-> Number of decomposition levels is %d.\n"
7582 "-> Non-IMF codestream will be generated\n",
7583 NL);
7584 ret = OPJ_FALSE;
7585 }
7586 } else if (XTsiz >= 2048) {
7587 if (!(NL >= 1 && NL <= 5)) {
7588 opj_event_msg(p_manager, EVT_WARNING,
7589 "IMF 4K_R profile requires 1 <= NL <= 5 for XTsiz in [2048,4096[:\n"
7590 "-> Number of decomposition levels is %d.\n"
7591 "-> Non-IMF codestream will be generated\n",
7592 NL);
7593 ret = OPJ_FALSE;
7594 }
7595 } else if (XTsiz >= 1024) {
7596 if (!(NL >= 1 && NL <= 4)) {
7597 opj_event_msg(p_manager, EVT_WARNING,
7598 "IMF 4K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
7599 "-> Number of decomposition levels is %d.\n"
7600 "-> Non-IMF codestream will be generated\n",
7601 NL);
7602 ret = OPJ_FALSE;
7603 }
7604 }
7605 break;
7606 }
7607 case OPJ_PROFILE_IMF_8K_R: {
7608 if (XTsiz >= 8192) {
7609 if (!(NL >= 1 && NL <= 7)) {
7610 opj_event_msg(p_manager, EVT_WARNING,
7611 "IMF 4K_R profile requires 1 <= NL <= 7 for XTsiz >= 8192:\n"
7612 "-> Number of decomposition levels is %d.\n"
7613 "-> Non-IMF codestream will be generated\n",
7614 NL);
7615 ret = OPJ_FALSE;
7616 }
7617 } else if (XTsiz >= 4096) {
7618 if (!(NL >= 1 && NL <= 6)) {
7619 opj_event_msg(p_manager, EVT_WARNING,
7620 "IMF 4K_R profile requires 1 <= NL <= 6 for XTsiz in [4096,8192[:\n"
7621 "-> Number of decomposition levels is %d.\n"
7622 "-> Non-IMF codestream will be generated\n",
7623 NL);
7624 ret = OPJ_FALSE;
7625 }
7626 } else if (XTsiz >= 2048) {
7627 if (!(NL >= 1 && NL <= 5)) {
7628 opj_event_msg(p_manager, EVT_WARNING,
7629 "IMF 4K_R profile requires 1 <= NL <= 5 for XTsiz in [2048,4096[:\n"
7630 "-> Number of decomposition levels is %d.\n"
7631 "-> Non-IMF codestream will be generated\n",
7632 NL);
7633 ret = OPJ_FALSE;
7634 }
7635 } else if (XTsiz >= 1024) {
7636 if (!(NL >= 1 && NL <= 4)) {
7637 opj_event_msg(p_manager, EVT_WARNING,
7638 "IMF 4K_R profile requires 1 <= NL <= 4 for XTsiz in [1024,2048[:\n"
7639 "-> Number of decomposition levels is %d.\n"
7640 "-> Non-IMF codestream will be generated\n",
7641 NL);
7642 ret = OPJ_FALSE;
7643 }
7644 }
7645 break;
7646 }
7647 default:
7648 break;
7649 }
7650
7651 if (parameters->numresolution == 1) {
7652 if (parameters->res_spec != 1 ||
7653 parameters->prcw_init[0] != 128 ||
7654 parameters->prch_init[0] != 128) {
7655 opj_event_msg(p_manager, EVT_WARNING,
7656 "IMF profiles require PPx = PPy = 7 for NLLL band, else 8.\n"
7657 "-> Supplied values are different from that.\n"
7658 "-> Non-IMF codestream will be generated\n");
7659 ret = OPJ_FALSE;
7660 }
7661 } else {
7662 int i;
7663 for (i = 0; i < parameters->res_spec; i++) {
7664 if (parameters->prcw_init[i] != 256 ||
7665 parameters->prch_init[i] != 256) {
7666 opj_event_msg(p_manager, EVT_WARNING,
7667 "IMF profiles require PPx = PPy = 7 for NLLL band, else 8.\n"
7668 "-> Supplied values are different from that.\n"
7669 "-> Non-IMF codestream will be generated\n");
7670 ret = OPJ_FALSE;
7671 }
7672 }
7673 }
7674
7675 return ret;
7676 }
7677
7678
7679 OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
7680 opj_cparameters_t *parameters,
7681 opj_image_t *image,
7682 opj_event_mgr_t * p_manager)
7683 {
7684 OPJ_UINT32 i, j, tileno, numpocs_tile;
7685 opj_cp_t *cp = 00;
7686 OPJ_UINT32 cblkw, cblkh;
7687
7688 if (!p_j2k || !parameters || ! image) {
7689 return OPJ_FALSE;
7690 }
7691
7692 if ((parameters->numresolution <= 0) ||
7693 (parameters->numresolution > OPJ_J2K_MAXRLVLS)) {
7694 opj_event_msg(p_manager, EVT_ERROR,
7695 "Invalid number of resolutions : %d not in range [1,%d]\n",
7696 parameters->numresolution, OPJ_J2K_MAXRLVLS);
7697 return OPJ_FALSE;
7698 }
7699
7700 if (parameters->cblockw_init < 4 || parameters->cblockw_init > 1024) {
7701 opj_event_msg(p_manager, EVT_ERROR,
7702 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
7703 parameters->cblockw_init);
7704 return OPJ_FALSE;
7705 }
7706 if (parameters->cblockh_init < 4 || parameters->cblockh_init > 1024) {
7707 opj_event_msg(p_manager, EVT_ERROR,
7708 "Invalid value for cblockh_init: %d not a power of 2 not in range [4,1024]\n",
7709 parameters->cblockh_init);
7710 return OPJ_FALSE;
7711 }
7712 if (parameters->cblockw_init * parameters->cblockh_init > 4096) {
7713 opj_event_msg(p_manager, EVT_ERROR,
7714 "Invalid value for cblockw_init * cblockh_init: should be <= 4096\n");
7715 return OPJ_FALSE;
7716 }
7717 cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
7718 cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
7719 if (parameters->cblockw_init != (1 << cblkw)) {
7720 opj_event_msg(p_manager, EVT_ERROR,
7721 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
7722 parameters->cblockw_init);
7723 return OPJ_FALSE;
7724 }
7725 if (parameters->cblockh_init != (1 << cblkh)) {
7726 opj_event_msg(p_manager, EVT_ERROR,
7727 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
7728 parameters->cblockh_init);
7729 return OPJ_FALSE;
7730 }
7731
7732 if (parameters->cp_fixed_alloc) {
7733 if (parameters->cp_matrice == NULL) {
7734 opj_event_msg(p_manager, EVT_ERROR,
7735 "cp_fixed_alloc set, but cp_matrice missing\n");
7736 return OPJ_FALSE;
7737 }
7738
7739 if (parameters->tcp_numlayers > J2K_TCD_MATRIX_MAX_LAYER_COUNT) {
7740 opj_event_msg(p_manager, EVT_ERROR,
7741 "tcp_numlayers when cp_fixed_alloc set should not exceed %d\n",
7742 J2K_TCD_MATRIX_MAX_LAYER_COUNT);
7743 return OPJ_FALSE;
7744 }
7745 if (parameters->numresolution > J2K_TCD_MATRIX_MAX_RESOLUTION_COUNT) {
7746 opj_event_msg(p_manager, EVT_ERROR,
7747 "numresolution when cp_fixed_alloc set should not exceed %d\n",
7748 J2K_TCD_MATRIX_MAX_RESOLUTION_COUNT);
7749 return OPJ_FALSE;
7750 }
7751 }
7752
7753 p_j2k->m_specific_param.m_encoder.m_nb_comps = image->numcomps;
7754
7755 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
7756 cp = &(p_j2k->m_cp);
7757
7758 /* set default values for cp */
7759 cp->tw = 1;
7760 cp->th = 1;
7761
7762 /* FIXME ADE: to be removed once deprecated cp_cinema and cp_rsiz have been removed */
7763 if (parameters->rsiz ==
7764 OPJ_PROFILE_NONE) { /* consider deprecated fields only if RSIZ has not been set */
7765 OPJ_BOOL deprecated_used = OPJ_FALSE;
7766 switch (parameters->cp_cinema) {
7767 case OPJ_CINEMA2K_24:
7768 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
7769 parameters->max_cs_size = OPJ_CINEMA_24_CS;
7770 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
7771 deprecated_used = OPJ_TRUE;
7772 break;
7773 case OPJ_CINEMA2K_48:
7774 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
7775 parameters->max_cs_size = OPJ_CINEMA_48_CS;
7776 parameters->max_comp_size = OPJ_CINEMA_48_COMP;
7777 deprecated_used = OPJ_TRUE;
7778 break;
7779 case OPJ_CINEMA4K_24:
7780 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
7781 parameters->max_cs_size = OPJ_CINEMA_24_CS;
7782 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
7783 deprecated_used = OPJ_TRUE;
7784 break;
7785 case OPJ_OFF:
7786 default:
7787 break;
7788 }
7789 switch (parameters->cp_rsiz) {
7790 case OPJ_CINEMA2K:
7791 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
7792 deprecated_used = OPJ_TRUE;
7793 break;
7794 case OPJ_CINEMA4K:
7795 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
7796 deprecated_used = OPJ_TRUE;
7797 break;
7798 case OPJ_MCT:
7799 parameters->rsiz = OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT;
7800 deprecated_used = OPJ_TRUE;
7801 case OPJ_STD_RSIZ:
7802 default:
7803 break;
7804 }
7805 if (deprecated_used) {
7806 opj_event_msg(p_manager, EVT_WARNING,
7807 "Deprecated fields cp_cinema or cp_rsiz are used\n"
7808 "Please consider using only the rsiz field\n"
7809 "See openjpeg.h documentation for more details\n");
7810 }
7811 }
7812
7813 /* If no explicit layers are provided, use lossless settings */
7814 if (parameters->tcp_numlayers == 0) {
7815 parameters->tcp_numlayers = 1;
7816 parameters->cp_disto_alloc = 1;
7817 parameters->tcp_rates[0] = 0;
7818 }
7819
7820 if (parameters->cp_disto_alloc) {
7821 /* Emit warnings if tcp_rates are not decreasing */
7822 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
7823 OPJ_FLOAT32 rate_i_corr = parameters->tcp_rates[i];
7824 OPJ_FLOAT32 rate_i_m_1_corr = parameters->tcp_rates[i - 1];
7825 if (rate_i_corr <= 1.0) {
7826 rate_i_corr = 1.0;
7827 }
7828 if (rate_i_m_1_corr <= 1.0) {
7829 rate_i_m_1_corr = 1.0;
7830 }
7831 if (rate_i_corr >= rate_i_m_1_corr) {
7832 if (rate_i_corr != parameters->tcp_rates[i] &&
7833 rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
7834 opj_event_msg(p_manager, EVT_WARNING,
7835 "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
7836 "than tcp_rates[%d]=%f (corrected as %f)\n",
7837 i, parameters->tcp_rates[i], rate_i_corr,
7838 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
7839 } else if (rate_i_corr != parameters->tcp_rates[i]) {
7840 opj_event_msg(p_manager, EVT_WARNING,
7841 "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
7842 "than tcp_rates[%d]=%f\n",
7843 i, parameters->tcp_rates[i], rate_i_corr,
7844 i - 1, parameters->tcp_rates[i - 1]);
7845 } else if (rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
7846 opj_event_msg(p_manager, EVT_WARNING,
7847 "tcp_rates[%d]=%f should be strictly lesser "
7848 "than tcp_rates[%d]=%f (corrected as %f)\n",
7849 i, parameters->tcp_rates[i],
7850 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
7851 } else {
7852 opj_event_msg(p_manager, EVT_WARNING,
7853 "tcp_rates[%d]=%f should be strictly lesser "
7854 "than tcp_rates[%d]=%f\n",
7855 i, parameters->tcp_rates[i],
7856 i - 1, parameters->tcp_rates[i - 1]);
7857 }
7858 }
7859 }
7860 } else if (parameters->cp_fixed_quality) {
7861 /* Emit warnings if tcp_distoratio are not increasing */
7862 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
7863 if (parameters->tcp_distoratio[i] < parameters->tcp_distoratio[i - 1] &&
7864 !(i == (OPJ_UINT32)parameters->tcp_numlayers - 1 &&
7865 parameters->tcp_distoratio[i] == 0)) {
7866 opj_event_msg(p_manager, EVT_WARNING,
7867 "tcp_distoratio[%d]=%f should be strictly greater "
7868 "than tcp_distoratio[%d]=%f\n",
7869 i, parameters->tcp_distoratio[i], i - 1,
7870 parameters->tcp_distoratio[i - 1]);
7871 }
7872 }
7873 }
7874
7875 /* see if max_codestream_size does limit input rate */
7876 if (parameters->max_cs_size <= 0) {
7877 if (parameters->tcp_rates[parameters->tcp_numlayers - 1] > 0) {
7878 OPJ_FLOAT32 temp_size;
7879 temp_size = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
7880 image->comps[0].h * image->comps[0].prec) /
7881 ((double)parameters->tcp_rates[parameters->tcp_numlayers - 1] * 8 *
7882 image->comps[0].dx * image->comps[0].dy));
7883 if (temp_size > (OPJ_FLOAT32)INT_MAX) {
7884 parameters->max_cs_size = INT_MAX;
7885 } else {
7886 parameters->max_cs_size = (int) floor(temp_size);
7887 }
7888 } else {
7889 parameters->max_cs_size = 0;
7890 }
7891 } else {
7892 OPJ_FLOAT32 temp_rate;
7893 OPJ_BOOL cap = OPJ_FALSE;
7894
7895 if (OPJ_IS_IMF(parameters->rsiz) && parameters->max_cs_size > 0 &&
7896 parameters->tcp_numlayers == 1 && parameters->tcp_rates[0] == 0) {
7897 parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
7898 image->comps[0].h * image->comps[0].prec) /
7899 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
7900 image->comps[0].dy);
7901 }
7902
7903 temp_rate = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
7904 image->comps[0].h * image->comps[0].prec) /
7905 (((double)parameters->max_cs_size) * 8 * image->comps[0].dx *
7906 image->comps[0].dy));
7907 for (i = 0; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
7908 if (parameters->tcp_rates[i] < temp_rate) {
7909 parameters->tcp_rates[i] = temp_rate;
7910 cap = OPJ_TRUE;
7911 }
7912 }
7913 if (cap) {
7914 opj_event_msg(p_manager, EVT_WARNING,
7915 "The desired maximum codestream size has limited\n"
7916 "at least one of the desired quality layers\n");
7917 }
7918 }
7919
7920 if (OPJ_IS_CINEMA(parameters->rsiz) || OPJ_IS_IMF(parameters->rsiz)) {
7921 p_j2k->m_specific_param.m_encoder.m_TLM = OPJ_TRUE;
7922 }
7923
7924 /* Manage profiles and applications and set RSIZ */
7925 /* set cinema parameters if required */
7926 if (OPJ_IS_CINEMA(parameters->rsiz)) {
7927 if ((parameters->rsiz == OPJ_PROFILE_CINEMA_S2K)
7928 || (parameters->rsiz == OPJ_PROFILE_CINEMA_S4K)) {
7929 opj_event_msg(p_manager, EVT_WARNING,
7930 "JPEG 2000 Scalable Digital Cinema profiles not yet supported\n");
7931 parameters->rsiz = OPJ_PROFILE_NONE;
7932 } else {
7933 opj_j2k_set_cinema_parameters(parameters, image, p_manager);
7934 if (!opj_j2k_is_cinema_compliant(image, parameters->rsiz, p_manager)) {
7935 parameters->rsiz = OPJ_PROFILE_NONE;
7936 }
7937 }
7938 } else if (OPJ_IS_STORAGE(parameters->rsiz)) {
7939 opj_event_msg(p_manager, EVT_WARNING,
7940 "JPEG 2000 Long Term Storage profile not yet supported\n");
7941 parameters->rsiz = OPJ_PROFILE_NONE;
7942 } else if (OPJ_IS_BROADCAST(parameters->rsiz)) {
7943 opj_event_msg(p_manager, EVT_WARNING,
7944 "JPEG 2000 Broadcast profiles not yet supported\n");
7945 parameters->rsiz = OPJ_PROFILE_NONE;
7946 } else if (OPJ_IS_IMF(parameters->rsiz)) {
7947 opj_j2k_set_imf_parameters(parameters, image, p_manager);
7948 if (!opj_j2k_is_imf_compliant(parameters, image, p_manager)) {
7949 parameters->rsiz = OPJ_PROFILE_NONE;
7950 }
7951 } else if (OPJ_IS_PART2(parameters->rsiz)) {
7952 if (parameters->rsiz == ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_NONE))) {
7953 opj_event_msg(p_manager, EVT_WARNING,
7954 "JPEG 2000 Part-2 profile defined\n"
7955 "but no Part-2 extension enabled.\n"
7956 "Profile set to NONE.\n");
7957 parameters->rsiz = OPJ_PROFILE_NONE;
7958 } else if (parameters->rsiz != ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT))) {
7959 opj_event_msg(p_manager, EVT_WARNING,
7960 "Unsupported Part-2 extension enabled\n"
7961 "Profile set to NONE.\n");
7962 parameters->rsiz = OPJ_PROFILE_NONE;
7963 }
7964 }
7965
7966 /*
7967 copy user encoding parameters
7968 */
7969 cp->m_specific_param.m_enc.m_max_comp_size = (OPJ_UINT32)
7970 parameters->max_comp_size;
7971 cp->rsiz = parameters->rsiz;
7972 if (parameters->cp_fixed_alloc) {
7973 cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy = FIXED_LAYER;
7974 } else if (parameters->cp_fixed_quality) {
7975 cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy =
7976 FIXED_DISTORTION_RATIO;
7977 } else {
7978 cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy =
7979 RATE_DISTORTION_RATIO;
7980 }
7981
7982 if (parameters->cp_fixed_alloc) {
7983 size_t array_size = (size_t)parameters->tcp_numlayers *
7984 (size_t)parameters->numresolution * 3 * sizeof(OPJ_INT32);
7985 cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size);
7986 if (!cp->m_specific_param.m_enc.m_matrice) {
7987 opj_event_msg(p_manager, EVT_ERROR,
7988 "Not enough memory to allocate copy of user encoding parameters matrix \n");
7989 return OPJ_FALSE;
7990 }
7991 memcpy(cp->m_specific_param.m_enc.m_matrice, parameters->cp_matrice,
7992 array_size);
7993 }
7994
7995 /* tiles */
7996 cp->tdx = (OPJ_UINT32)parameters->cp_tdx;
7997 cp->tdy = (OPJ_UINT32)parameters->cp_tdy;
7998
7999 /* tile offset */
8000 cp->tx0 = (OPJ_UINT32)parameters->cp_tx0;
8001 cp->ty0 = (OPJ_UINT32)parameters->cp_ty0;
8002
8003 /* comment string */
8004 if (parameters->cp_comment) {
8005 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1U);
8006 if (!cp->comment) {
8007 opj_event_msg(p_manager, EVT_ERROR,
8008 "Not enough memory to allocate copy of comment string\n");
8009 return OPJ_FALSE;
8010 }
8011 strcpy(cp->comment, parameters->cp_comment);
8012 } else {
8013 /* Create default comment for codestream */
8014 const char comment[] = "Created by OpenJPEG version ";
8015 const size_t clen = strlen(comment);
8016 const char *version = opj_version();
8017
8018 /* UniPG>> */
8019 #ifdef USE_JPWL
8020 const size_t cp_comment_buf_size = clen + strlen(version) + 11;
8021 cp->comment = (char*)opj_malloc(cp_comment_buf_size);
8022 if (!cp->comment) {
8023 opj_event_msg(p_manager, EVT_ERROR,
8024 "Not enough memory to allocate comment string\n");
8025 return OPJ_FALSE;
8026 }
8027 snprintf(cp->comment, cp_comment_buf_size, "%s%s with JPWL",
8028 comment, version);
8029 #else
8030 const size_t cp_comment_buf_size = clen + strlen(version) + 1;
8031 cp->comment = (char*)opj_malloc(cp_comment_buf_size);
8032 if (!cp->comment) {
8033 opj_event_msg(p_manager, EVT_ERROR,
8034 "Not enough memory to allocate comment string\n");
8035 return OPJ_FALSE;
8036 }
8037 snprintf(cp->comment, cp_comment_buf_size, "%s%s", comment, version);
8038 #endif
8039 /* <<UniPG */
8040 }
8041
8042 /*
8043 calculate other encoding parameters
8044 */
8045
8046 if (parameters->tile_size_on) {
8047 if (cp->tdx == 0) {
8048 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile width\n");
8049 return OPJ_FALSE;
8050 }
8051 if (cp->tdy == 0) {
8052 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile height\n");
8053 return OPJ_FALSE;
8054 }
8055 cp->tw = opj_uint_ceildiv(image->x1 - cp->tx0, cp->tdx);
8056 cp->th = opj_uint_ceildiv(image->y1 - cp->ty0, cp->tdy);
8057 /* Check that the number of tiles is valid */
8058 if (cp->tw > 65535 / cp->th) {
8059 opj_event_msg(p_manager, EVT_ERROR,
8060 "Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
8061 cp->tw, cp->th);
8062 return OPJ_FALSE;
8063 }
8064 } else {
8065 cp->tdx = image->x1 - cp->tx0;
8066 cp->tdy = image->y1 - cp->ty0;
8067 }
8068
8069 if (parameters->tp_on) {
8070 cp->m_specific_param.m_enc.m_tp_flag = (OPJ_BYTE)parameters->tp_flag;
8071 cp->m_specific_param.m_enc.m_tp_on = 1;
8072 }
8073
8074 #ifdef USE_JPWL
8075 /*
8076 calculate JPWL encoding parameters
8077 */
8078
8079 if (parameters->jpwl_epc_on) {
8080 OPJ_INT32 i;
8081
8082 /* set JPWL on */
8083 cp->epc_on = OPJ_TRUE;
8084 cp->info_on = OPJ_FALSE; /* no informative technique */
8085
8086 /* set EPB on */
8087 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
8088 cp->epb_on = OPJ_TRUE;
8089
8090 cp->hprot_MH = parameters->jpwl_hprot_MH;
8091 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
8092 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
8093 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
8094 }
8095 /* if tile specs are not specified, copy MH specs */
8096 if (cp->hprot_TPH[0] == -1) {
8097 cp->hprot_TPH_tileno[0] = 0;
8098 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
8099 }
8100 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
8101 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
8102 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
8103 cp->pprot[i] = parameters->jpwl_pprot[i];
8104 }
8105 }
8106
8107 /* set ESD writing */
8108 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
8109 cp->esd_on = OPJ_TRUE;
8110
8111 cp->sens_size = parameters->jpwl_sens_size;
8112 cp->sens_addr = parameters->jpwl_sens_addr;
8113 cp->sens_range = parameters->jpwl_sens_range;
8114
8115 cp->sens_MH = parameters->jpwl_sens_MH;
8116 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
8117 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
8118 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
8119 }
8120 }
8121
8122 /* always set RED writing to false: we are at the encoder */
8123 cp->red_on = OPJ_FALSE;
8124
8125 } else {
8126 cp->epc_on = OPJ_FALSE;
8127 }
8128 #endif /* USE_JPWL */
8129
8130 /* initialize the multiple tiles */
8131 /* ---------------------------- */
8132 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
8133 if (!cp->tcps) {
8134 opj_event_msg(p_manager, EVT_ERROR,
8135 "Not enough memory to allocate tile coding parameters\n");
8136 return OPJ_FALSE;
8137 }
8138
8139 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
8140 opj_tcp_t *tcp = &cp->tcps[tileno];
8141 const OPJ_BOOL fixed_distoratio =
8142 cp->m_specific_param.m_enc.m_quality_layer_alloc_strategy ==
8143 FIXED_DISTORTION_RATIO;
8144 tcp->numlayers = (OPJ_UINT32)parameters->tcp_numlayers;
8145
8146 for (j = 0; j < tcp->numlayers; j++) {
8147 if (OPJ_IS_CINEMA(cp->rsiz) || OPJ_IS_IMF(cp->rsiz)) {
8148 if (fixed_distoratio) {
8149 tcp->distoratio[j] = parameters->tcp_distoratio[j];
8150 }
8151 tcp->rates[j] = parameters->tcp_rates[j];
8152 } else {
8153 if (fixed_distoratio) {
8154 tcp->distoratio[j] = parameters->tcp_distoratio[j];
8155 } else {
8156 tcp->rates[j] = parameters->tcp_rates[j];
8157 }
8158 }
8159 if (!fixed_distoratio &&
8160 tcp->rates[j] <= 1.0) {
8161 tcp->rates[j] = 0.0; /* force lossless */
8162 }
8163 }
8164
8165 tcp->csty = (OPJ_UINT32)parameters->csty;
8166 tcp->prg = parameters->prog_order;
8167 tcp->mct = (OPJ_UINT32)parameters->tcp_mct;
8168
8169 numpocs_tile = 0;
8170 tcp->POC = 0;
8171
8172 if (parameters->numpocs) {
8173 /* initialisation of POC */
8174 for (i = 0; i < parameters->numpocs; i++) {
8175 if (tileno + 1 == parameters->POC[i].tile) {
8176 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
8177
8178 if (parameters->POC[numpocs_tile].compno0 >= image->numcomps) {
8179 opj_event_msg(p_manager, EVT_ERROR,
8180 "Invalid compno0 for POC %d\n", i);
8181 return OPJ_FALSE;
8182 }
8183
8184 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
8185 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
8186 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
8187 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
8188 tcp_poc->compno1 = opj_uint_min(parameters->POC[numpocs_tile].compno1,
8189 image->numcomps);
8190 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
8191 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
8192
8193 numpocs_tile++;
8194 }
8195 }
8196
8197 if (numpocs_tile) {
8198
8199 /* TODO MSD use the return value*/
8200 opj_j2k_check_poc_val(parameters->POC, tileno, parameters->numpocs,
8201 (OPJ_UINT32)parameters->numresolution, image->numcomps,
8202 (OPJ_UINT32)parameters->tcp_numlayers, p_manager);
8203
8204 tcp->POC = 1;
8205 tcp->numpocs = numpocs_tile - 1 ;
8206 }
8207 } else {
8208 tcp->numpocs = 0;
8209 }
8210
8211 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
8212 if (!tcp->tccps) {
8213 opj_event_msg(p_manager, EVT_ERROR,
8214 "Not enough memory to allocate tile component coding parameters\n");
8215 return OPJ_FALSE;
8216 }
8217 if (parameters->mct_data) {
8218
8219 OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * (OPJ_UINT32)sizeof(
8220 OPJ_FLOAT32);
8221 OPJ_FLOAT32 * lTmpBuf = (OPJ_FLOAT32*)opj_malloc(lMctSize);
8222 OPJ_INT32 * l_dc_shift = (OPJ_INT32 *)((OPJ_BYTE *) parameters->mct_data +
8223 lMctSize);
8224
8225 if (!lTmpBuf) {
8226 opj_event_msg(p_manager, EVT_ERROR,
8227 "Not enough memory to allocate temp buffer\n");
8228 return OPJ_FALSE;
8229 }
8230
8231 tcp->mct = 2;
8232 tcp->m_mct_coding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
8233 if (! tcp->m_mct_coding_matrix) {
8234 opj_free(lTmpBuf);
8235 lTmpBuf = NULL;
8236 opj_event_msg(p_manager, EVT_ERROR,
8237 "Not enough memory to allocate encoder MCT coding matrix \n");
8238 return OPJ_FALSE;
8239 }
8240 memcpy(tcp->m_mct_coding_matrix, parameters->mct_data, lMctSize);
8241 memcpy(lTmpBuf, parameters->mct_data, lMctSize);
8242
8243 tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
8244 if (! tcp->m_mct_decoding_matrix) {
8245 opj_free(lTmpBuf);
8246 lTmpBuf = NULL;
8247 opj_event_msg(p_manager, EVT_ERROR,
8248 "Not enough memory to allocate encoder MCT decoding matrix \n");
8249 return OPJ_FALSE;
8250 }
8251 if (opj_matrix_inversion_f(lTmpBuf, (tcp->m_mct_decoding_matrix),
8252 image->numcomps) == OPJ_FALSE) {
8253 opj_free(lTmpBuf);
8254 lTmpBuf = NULL;
8255 opj_event_msg(p_manager, EVT_ERROR,
8256 "Failed to inverse encoder MCT decoding matrix \n");
8257 return OPJ_FALSE;
8258 }
8259
8260 tcp->mct_norms = (OPJ_FLOAT64*)
8261 opj_malloc(image->numcomps * sizeof(OPJ_FLOAT64));
8262 if (! tcp->mct_norms) {
8263 opj_free(lTmpBuf);
8264 lTmpBuf = NULL;
8265 opj_event_msg(p_manager, EVT_ERROR,
8266 "Not enough memory to allocate encoder MCT norms \n");
8267 return OPJ_FALSE;
8268 }
8269 opj_calculate_norms(tcp->mct_norms, image->numcomps,
8270 tcp->m_mct_decoding_matrix);
8271 opj_free(lTmpBuf);
8272
8273 for (i = 0; i < image->numcomps; i++) {
8274 opj_tccp_t *tccp = &tcp->tccps[i];
8275 tccp->m_dc_level_shift = l_dc_shift[i];
8276 }
8277
8278 if (opj_j2k_setup_mct_encoding(tcp, image) == OPJ_FALSE) {
8279 /* free will be handled by opj_j2k_destroy */
8280 opj_event_msg(p_manager, EVT_ERROR, "Failed to setup j2k mct encoding\n");
8281 return OPJ_FALSE;
8282 }
8283 } else {
8284 if (tcp->mct == 1 && image->numcomps >= 3) { /* RGB->YCC MCT is enabled */
8285 if ((image->comps[0].dx != image->comps[1].dx) ||
8286 (image->comps[0].dx != image->comps[2].dx) ||
8287 (image->comps[0].dy != image->comps[1].dy) ||
8288 (image->comps[0].dy != image->comps[2].dy)) {
8289 opj_event_msg(p_manager, EVT_WARNING,
8290 "Cannot perform MCT on components with different sizes. Disabling MCT.\n");
8291 tcp->mct = 0;
8292 }
8293 }
8294 for (i = 0; i < image->numcomps; i++) {
8295 opj_tccp_t *tccp = &tcp->tccps[i];
8296 opj_image_comp_t * l_comp = &(image->comps[i]);
8297
8298 if (! l_comp->sgnd) {
8299 tccp->m_dc_level_shift = 1 << (l_comp->prec - 1);
8300 }
8301 }
8302 }
8303
8304 for (i = 0; i < image->numcomps; i++) {
8305 opj_tccp_t *tccp = &tcp->tccps[i];
8306
8307 tccp->csty = parameters->csty &
8308 0x01; /* 0 => one precinct || 1 => custom precinct */
8309 tccp->numresolutions = (OPJ_UINT32)parameters->numresolution;
8310 tccp->cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
8311 tccp->cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
8312 tccp->cblksty = (OPJ_UINT32)parameters->mode;
8313 tccp->qmfbid = parameters->irreversible ? 0 : 1;
8314 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT :
8315 J2K_CCP_QNTSTY_NOQNT;
8316
8317 if (OPJ_IS_CINEMA(parameters->rsiz) &&
8318 parameters->rsiz == OPJ_PROFILE_CINEMA_2K) {
8319 /* From https://github.com/uclouvain/openjpeg/issues/1340 */
8320 tccp->numgbits = 1;
8321 } else {
8322 tccp->numgbits = 2;
8323 }
8324
8325 if ((OPJ_INT32)i == parameters->roi_compno) {
8326 tccp->roishift = parameters->roi_shift;
8327 } else {
8328 tccp->roishift = 0;
8329 }
8330
8331 if (parameters->csty & J2K_CCP_CSTY_PRT) {
8332 OPJ_INT32 p = 0, it_res;
8333 assert(tccp->numresolutions > 0);
8334 for (it_res = (OPJ_INT32)tccp->numresolutions - 1; it_res >= 0; it_res--) {
8335 if (p < parameters->res_spec) {
8336
8337 if (parameters->prcw_init[p] < 1) {
8338 tccp->prcw[it_res] = 1;
8339 } else {
8340 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prcw_init[p]);
8341 }
8342
8343 if (parameters->prch_init[p] < 1) {
8344 tccp->prch[it_res] = 1;
8345 } else {
8346 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prch_init[p]);
8347 }
8348
8349 } else {
8350 OPJ_INT32 res_spec = parameters->res_spec;
8351 OPJ_INT32 size_prcw = 0;
8352 OPJ_INT32 size_prch = 0;
8353
8354 assert(res_spec > 0); /* issue 189 */
8355 size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
8356 size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
8357
8358
8359 if (size_prcw < 1) {
8360 tccp->prcw[it_res] = 1;
8361 } else {
8362 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prcw);
8363 }
8364
8365 if (size_prch < 1) {
8366 tccp->prch[it_res] = 1;
8367 } else {
8368 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prch);
8369 }
8370 }
8371 p++;
8372 /*printf("\nsize precinct for level %d : %d,%d\n", it_res,tccp->prcw[it_res], tccp->prch[it_res]); */
8373 } /*end for*/
8374 } else {
8375 for (j = 0; j < tccp->numresolutions; j++) {
8376 tccp->prcw[j] = 15;
8377 tccp->prch[j] = 15;
8378 }
8379 }
8380
8381 opj_dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
8382 }
8383 }
8384
8385 if (parameters->mct_data) {
8386 opj_free(parameters->mct_data);
8387 parameters->mct_data = 00;
8388 }
8389 return OPJ_TRUE;
8390 }
8391
8392 static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
8393 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
8394 {
8395 assert(cstr_index != 00);
8396
8397 /* expand the list? */
8398 if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) {
8399 opj_marker_info_t *new_marker;
8400 cstr_index->maxmarknum = (OPJ_UINT32)(100 + (OPJ_FLOAT32)
8401 cstr_index->maxmarknum);
8402 new_marker = (opj_marker_info_t *) opj_realloc(cstr_index->marker,
8403 cstr_index->maxmarknum * sizeof(opj_marker_info_t));
8404 if (! new_marker) {
8405 opj_free(cstr_index->marker);
8406 cstr_index->marker = NULL;
8407 cstr_index->maxmarknum = 0;
8408 cstr_index->marknum = 0;
8409 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); */
8410 return OPJ_FALSE;
8411 }
8412 cstr_index->marker = new_marker;
8413 }
8414
8415 /* add the marker */
8416 cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type;
8417 cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos;
8418 cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len;
8419 cstr_index->marknum++;
8420 return OPJ_TRUE;
8421 }
8422
8423 static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
8424 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
8425 OPJ_UINT32 len)
8426 {
8427 assert(cstr_index != 00);
8428 assert(cstr_index->tile_index != 00);
8429
8430 /* expand the list? */
8431 if ((cstr_index->tile_index[tileno].marknum + 1) >
8432 cstr_index->tile_index[tileno].maxmarknum) {
8433 opj_marker_info_t *new_marker;
8434 cstr_index->tile_index[tileno].maxmarknum = (OPJ_UINT32)(100 +
8435 (OPJ_FLOAT32) cstr_index->tile_index[tileno].maxmarknum);
8436 new_marker = (opj_marker_info_t *) opj_realloc(
8437 cstr_index->tile_index[tileno].marker,
8438 cstr_index->tile_index[tileno].maxmarknum * sizeof(opj_marker_info_t));
8439 if (! new_marker) {
8440 opj_free(cstr_index->tile_index[tileno].marker);
8441 cstr_index->tile_index[tileno].marker = NULL;
8442 cstr_index->tile_index[tileno].maxmarknum = 0;
8443 cstr_index->tile_index[tileno].marknum = 0;
8444 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n"); */
8445 return OPJ_FALSE;
8446 }
8447 cstr_index->tile_index[tileno].marker = new_marker;
8448 }
8449
8450 /* add the marker */
8451 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type
8452 = (OPJ_UINT16)type;
8453 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos
8454 = (OPJ_INT32)pos;
8455 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len
8456 = (OPJ_INT32)len;
8457 cstr_index->tile_index[tileno].marknum++;
8458
8459 if (type == J2K_MS_SOT) {
8460 OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
8461
8462 if (cstr_index->tile_index[tileno].tp_index &&
8463 l_current_tile_part < cstr_index->tile_index[tileno].nb_tps) {
8464 cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
8465 }
8466
8467 }
8468 return OPJ_TRUE;
8469 }
8470
8471 /*
8472 * -----------------------------------------------------------------------
8473 * -----------------------------------------------------------------------
8474 * -----------------------------------------------------------------------
8475 */
8476
8477 OPJ_BOOL opj_j2k_end_decompress(opj_j2k_t *p_j2k,
8478 opj_stream_private_t *p_stream,
8479 opj_event_mgr_t * p_manager
8480 )
8481 {
8482 (void)p_j2k;
8483 (void)p_stream;
8484 (void)p_manager;
8485 return OPJ_TRUE;
8486 }
8487
8488 OPJ_BOOL opj_j2k_read_header(opj_stream_private_t *p_stream,
8489 opj_j2k_t* p_j2k,
8490 opj_image_t** p_image,
8491 opj_event_mgr_t* p_manager)
8492 {
8493 /* preconditions */
8494 assert(p_j2k != 00);
8495 assert(p_stream != 00);
8496 assert(p_manager != 00);
8497
8498 /* create an empty image header */
8499 p_j2k->m_private_image = opj_image_create0();
8500 if (! p_j2k->m_private_image) {
8501 return OPJ_FALSE;
8502 }
8503
8504 /* customization of the validation */
8505 if (! opj_j2k_setup_decoding_validation(p_j2k, p_manager)) {
8506 opj_image_destroy(p_j2k->m_private_image);
8507 p_j2k->m_private_image = NULL;
8508 return OPJ_FALSE;
8509 }
8510
8511 /* validation of the parameters codec */
8512 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
8513 opj_image_destroy(p_j2k->m_private_image);
8514 p_j2k->m_private_image = NULL;
8515 return OPJ_FALSE;
8516 }
8517
8518 /* customization of the encoding */
8519 if (! opj_j2k_setup_header_reading(p_j2k, p_manager)) {
8520 opj_image_destroy(p_j2k->m_private_image);
8521 p_j2k->m_private_image = NULL;
8522 return OPJ_FALSE;
8523 }
8524
8525 /* read header */
8526 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
8527 opj_image_destroy(p_j2k->m_private_image);
8528 p_j2k->m_private_image = NULL;
8529 return OPJ_FALSE;
8530 }
8531
8532 *p_image = opj_image_create0();
8533 if (!(*p_image)) {
8534 return OPJ_FALSE;
8535 }
8536
8537 /* Copy codestream image information to the output image */
8538 opj_copy_image_header(p_j2k->m_private_image, *p_image);
8539
8540 return OPJ_TRUE;
8541 }
8542
8543 static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
8544 opj_event_mgr_t * p_manager)
8545 {
8546 /* preconditions*/
8547 assert(p_j2k != 00);
8548 assert(p_manager != 00);
8549
8550 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
8551 (opj_procedure)opj_j2k_read_header_procedure, p_manager)) {
8552 return OPJ_FALSE;
8553 }
8554
8555 /* DEVELOPER CORNER, add your custom procedures */
8556 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
8557 (opj_procedure)opj_j2k_copy_default_tcp_and_create_tcd, p_manager)) {
8558 return OPJ_FALSE;
8559 }
8560
8561 return OPJ_TRUE;
8562 }
8563
8564 static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
8565 opj_event_mgr_t * p_manager)
8566 {
8567 /* preconditions*/
8568 assert(p_j2k != 00);
8569 assert(p_manager != 00);
8570
8571 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
8572 (opj_procedure)opj_j2k_build_decoder, p_manager)) {
8573 return OPJ_FALSE;
8574 }
8575 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
8576 (opj_procedure)opj_j2k_decoding_validation, p_manager)) {
8577 return OPJ_FALSE;
8578 }
8579
8580 /* DEVELOPER CORNER, add your custom validation procedure */
8581 return OPJ_TRUE;
8582 }
8583
8584 static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
8585 opj_stream_private_t *p_stream,
8586 opj_event_mgr_t * p_manager)
8587 {
8588 OPJ_BOOL l_is_valid = OPJ_TRUE;
8589 OPJ_UINT32 i, j;
8590
8591 /* preconditions */
8592 assert(p_j2k != 00);
8593 assert(p_stream != 00);
8594 assert(p_manager != 00);
8595
8596 OPJ_UNUSED(p_stream);
8597 OPJ_UNUSED(p_manager);
8598
8599 if ((p_j2k->m_cp.rsiz & 0x8200) == 0x8200) {
8600 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
8601 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
8602
8603 for (i = 0; i < l_nb_tiles; ++i) {
8604 if (l_tcp->mct == 2) {
8605 opj_tccp_t * l_tccp = l_tcp->tccps;
8606 l_is_valid &= (l_tcp->m_mct_coding_matrix != 00);
8607
8608 for (j = 0; j < p_j2k->m_private_image->numcomps; ++j) {
8609 l_is_valid &= !(l_tccp->qmfbid & 1);
8610 ++l_tccp;
8611 }
8612 }
8613 ++l_tcp;
8614 }
8615 }
8616
8617 return l_is_valid;
8618 }
8619
8620 OPJ_BOOL opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp, opj_image_t * p_image)
8621 {
8622 OPJ_UINT32 i;
8623 OPJ_UINT32 l_indix = 1;
8624 opj_mct_data_t * l_mct_deco_data = 00, * l_mct_offset_data = 00;
8625 opj_simple_mcc_decorrelation_data_t * l_mcc_data;
8626 OPJ_UINT32 l_mct_size, l_nb_elem;
8627 OPJ_FLOAT32 * l_data, * l_current_data;
8628 opj_tccp_t * l_tccp;
8629
8630 /* preconditions */
8631 assert(p_tcp != 00);
8632
8633 if (p_tcp->mct != 2) {
8634 return OPJ_TRUE;
8635 }
8636
8637 if (p_tcp->m_mct_decoding_matrix) {
8638 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
8639 opj_mct_data_t *new_mct_records;
8640 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
8641
8642 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
8643 p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
8644 if (! new_mct_records) {
8645 opj_free(p_tcp->m_mct_records);
8646 p_tcp->m_mct_records = NULL;
8647 p_tcp->m_nb_max_mct_records = 0;
8648 p_tcp->m_nb_mct_records = 0;
8649 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
8650 return OPJ_FALSE;
8651 }
8652 p_tcp->m_mct_records = new_mct_records;
8653 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8654
8655 memset(l_mct_deco_data, 0,
8656 (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
8657 opj_mct_data_t));
8658 }
8659 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8660
8661 if (l_mct_deco_data->m_data) {
8662 opj_free(l_mct_deco_data->m_data);
8663 l_mct_deco_data->m_data = 00;
8664 }
8665
8666 l_mct_deco_data->m_index = l_indix++;
8667 l_mct_deco_data->m_array_type = MCT_TYPE_DECORRELATION;
8668 l_mct_deco_data->m_element_type = MCT_TYPE_FLOAT;
8669 l_nb_elem = p_image->numcomps * p_image->numcomps;
8670 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_deco_data->m_element_type];
8671 l_mct_deco_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
8672
8673 if (! l_mct_deco_data->m_data) {
8674 return OPJ_FALSE;
8675 }
8676
8677 j2k_mct_write_functions_from_float[l_mct_deco_data->m_element_type](
8678 p_tcp->m_mct_decoding_matrix, l_mct_deco_data->m_data, l_nb_elem);
8679
8680 l_mct_deco_data->m_data_size = l_mct_size;
8681 ++p_tcp->m_nb_mct_records;
8682 }
8683
8684 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
8685 opj_mct_data_t *new_mct_records;
8686 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
8687 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
8688 p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
8689 if (! new_mct_records) {
8690 opj_free(p_tcp->m_mct_records);
8691 p_tcp->m_mct_records = NULL;
8692 p_tcp->m_nb_max_mct_records = 0;
8693 p_tcp->m_nb_mct_records = 0;
8694 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
8695 return OPJ_FALSE;
8696 }
8697 p_tcp->m_mct_records = new_mct_records;
8698 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8699
8700 memset(l_mct_offset_data, 0,
8701 (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
8702 opj_mct_data_t));
8703
8704 if (l_mct_deco_data) {
8705 l_mct_deco_data = l_mct_offset_data - 1;
8706 }
8707 }
8708
8709 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
8710
8711 if (l_mct_offset_data->m_data) {
8712 opj_free(l_mct_offset_data->m_data);
8713 l_mct_offset_data->m_data = 00;
8714 }
8715
8716 l_mct_offset_data->m_index = l_indix++;
8717 l_mct_offset_data->m_array_type = MCT_TYPE_OFFSET;
8718 l_mct_offset_data->m_element_type = MCT_TYPE_FLOAT;
8719 l_nb_elem = p_image->numcomps;
8720 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_offset_data->m_element_type];
8721 l_mct_offset_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
8722
8723 if (! l_mct_offset_data->m_data) {
8724 return OPJ_FALSE;
8725 }
8726
8727 l_data = (OPJ_FLOAT32*)opj_malloc(l_nb_elem * sizeof(OPJ_FLOAT32));
8728 if (! l_data) {
8729 opj_free(l_mct_offset_data->m_data);
8730 l_mct_offset_data->m_data = 00;
8731 return OPJ_FALSE;
8732 }
8733
8734 l_tccp = p_tcp->tccps;
8735 l_current_data = l_data;
8736
8737 for (i = 0; i < l_nb_elem; ++i) {
8738 *(l_current_data++) = (OPJ_FLOAT32)(l_tccp->m_dc_level_shift);
8739 ++l_tccp;
8740 }
8741
8742 j2k_mct_write_functions_from_float[l_mct_offset_data->m_element_type](l_data,
8743 l_mct_offset_data->m_data, l_nb_elem);
8744
8745 opj_free(l_data);
8746
8747 l_mct_offset_data->m_data_size = l_mct_size;
8748
8749 ++p_tcp->m_nb_mct_records;
8750
8751 if (p_tcp->m_nb_mcc_records == p_tcp->m_nb_max_mcc_records) {
8752 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
8753 p_tcp->m_nb_max_mcc_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
8754 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
8755 p_tcp->m_mcc_records, p_tcp->m_nb_max_mcc_records * sizeof(
8756 opj_simple_mcc_decorrelation_data_t));
8757 if (! new_mcc_records) {
8758 opj_free(p_tcp->m_mcc_records);
8759 p_tcp->m_mcc_records = NULL;
8760 p_tcp->m_nb_max_mcc_records = 0;
8761 p_tcp->m_nb_mcc_records = 0;
8762 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
8763 return OPJ_FALSE;
8764 }
8765 p_tcp->m_mcc_records = new_mcc_records;
8766 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
8767 memset(l_mcc_data, 0, (p_tcp->m_nb_max_mcc_records - p_tcp->m_nb_mcc_records) *
8768 sizeof(opj_simple_mcc_decorrelation_data_t));
8769
8770 }
8771
8772 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
8773 l_mcc_data->m_decorrelation_array = l_mct_deco_data;
8774 l_mcc_data->m_is_irreversible = 1;
8775 l_mcc_data->m_nb_comps = p_image->numcomps;
8776 l_mcc_data->m_index = l_indix++;
8777 l_mcc_data->m_offset_array = l_mct_offset_data;
8778 ++p_tcp->m_nb_mcc_records;
8779
8780 return OPJ_TRUE;
8781 }
8782
8783 static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
8784 opj_stream_private_t *p_stream,
8785 opj_event_mgr_t * p_manager)
8786 {
8787 /* add here initialization of cp
8788 copy paste of setup_decoder */
8789 (void)p_j2k;
8790 (void)p_stream;
8791 (void)p_manager;
8792 return OPJ_TRUE;
8793 }
8794
8795 static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
8796 opj_stream_private_t *p_stream,
8797 opj_event_mgr_t * p_manager)
8798 {
8799 /* add here initialization of cp
8800 copy paste of setup_encoder */
8801 (void)p_j2k;
8802 (void)p_stream;
8803 (void)p_manager;
8804 return OPJ_TRUE;
8805 }
8806
8807 static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
8808 opj_stream_private_t *p_stream,
8809 opj_event_mgr_t * p_manager)
8810 {
8811 OPJ_BOOL l_is_valid = OPJ_TRUE;
8812
8813 /* preconditions */
8814 assert(p_j2k != 00);
8815 assert(p_stream != 00);
8816 assert(p_manager != 00);
8817
8818 OPJ_UNUSED(p_stream);
8819
8820 /* STATE checking */
8821 /* make sure the state is at 0 */
8822 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NONE);
8823
8824 /* POINTER validation */
8825 /* make sure a p_j2k codec is present */
8826 l_is_valid &= (p_j2k->m_procedure_list != 00);
8827 /* make sure a validation list is present */
8828 l_is_valid &= (p_j2k->m_validation_list != 00);
8829
8830 /* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */
8831 /* 33 (32) would always fail the check below (if a cast to 64bits was done) */
8832 /* FIXME Shall we change OPJ_J2K_MAXRLVLS to 32 ? */
8833 if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) ||
8834 (p_j2k->m_cp.tcps->tccps->numresolutions > 32)) {
8835 opj_event_msg(p_manager, EVT_ERROR,
8836 "Number of resolutions is too high in comparison to the size of tiles\n");
8837 return OPJ_FALSE;
8838 }
8839
8840 if ((p_j2k->m_cp.tdx) < (OPJ_UINT32)(1 <<
8841 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
8842 opj_event_msg(p_manager, EVT_ERROR,
8843 "Number of resolutions is too high in comparison to the size of tiles\n");
8844 return OPJ_FALSE;
8845 }
8846
8847 if ((p_j2k->m_cp.tdy) < (OPJ_UINT32)(1 <<
8848 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
8849 opj_event_msg(p_manager, EVT_ERROR,
8850 "Number of resolutions is too high in comparison to the size of tiles\n");
8851 return OPJ_FALSE;
8852 }
8853
8854 /* PARAMETER VALIDATION */
8855 return l_is_valid;
8856 }
8857
8858 static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t *p_j2k,
8859 opj_stream_private_t *p_stream,
8860 opj_event_mgr_t * p_manager
8861 )
8862 {
8863 OPJ_BOOL l_is_valid = OPJ_TRUE;
8864
8865 /* preconditions*/
8866 assert(p_j2k != 00);
8867 assert(p_stream != 00);
8868 assert(p_manager != 00);
8869
8870 OPJ_UNUSED(p_stream);
8871 OPJ_UNUSED(p_manager);
8872
8873 /* STATE checking */
8874 /* make sure the state is at 0 */
8875 #ifdef TODO_MSD
8876 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
8877 #endif
8878 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000);
8879
8880 /* POINTER validation */
8881 /* make sure a p_j2k codec is present */
8882 /* make sure a procedure list is present */
8883 l_is_valid &= (p_j2k->m_procedure_list != 00);
8884 /* make sure a validation list is present */
8885 l_is_valid &= (p_j2k->m_validation_list != 00);
8886
8887 /* PARAMETER VALIDATION */
8888 return l_is_valid;
8889 }
8890
8891 /** Fill p_j2k->cstr_index->tp_index[].start_pos/end_pos fields from TLM marker segments */
8892 static void opj_j2k_build_tp_index_from_tlm(opj_j2k_t* p_j2k,
8893 opj_event_mgr_t * p_manager)
8894 {
8895 opj_j2k_tlm_info_t* l_tlm;
8896 OPJ_UINT32 i;
8897 OPJ_OFF_T l_cur_offset;
8898
8899 assert(p_j2k->cstr_index->main_head_end > 0);
8900 assert(p_j2k->cstr_index->nb_of_tiles > 0);
8901 assert(p_j2k->cstr_index->tile_index != NULL);
8902
8903 l_tlm = &(p_j2k->m_specific_param.m_decoder.m_tlm);
8904
8905 if (l_tlm->m_entries_count == 0) {
8906 l_tlm->m_is_invalid = OPJ_TRUE;
8907 return;
8908 }
8909
8910 if (l_tlm->m_is_invalid) {
8911 return;
8912 }
8913
8914 /* Initial pass to count the number of tile-parts per tile */
8915 for (i = 0; i < l_tlm->m_entries_count; ++i) {
8916 OPJ_UINT32 l_tile_index_no = l_tlm->m_tile_part_infos[i].m_tile_index;
8917 assert(l_tile_index_no < p_j2k->cstr_index->nb_of_tiles);
8918 p_j2k->cstr_index->tile_index[l_tile_index_no].tileno = l_tile_index_no;
8919 ++p_j2k->cstr_index->tile_index[l_tile_index_no].current_nb_tps;
8920 }
8921
8922 /* Now check that all tiles have at least one tile-part */
8923 for (i = 0; i < p_j2k->cstr_index->nb_of_tiles; ++i) {
8924 if (p_j2k->cstr_index->tile_index[i].current_nb_tps == 0) {
8925 opj_event_msg(p_manager, EVT_ERROR,
8926 "opj_j2k_build_tp_index_from_tlm(): tile %d has no "
8927 "registered tile-part in TLM marker segments.\n", i);
8928 goto error;
8929 }
8930 }
8931
8932 /* Final pass to fill p_j2k->cstr_index */
8933 l_cur_offset = p_j2k->cstr_index->main_head_end;
8934 for (i = 0; i < l_tlm->m_entries_count; ++i) {
8935 OPJ_UINT32 l_tile_index_no = l_tlm->m_tile_part_infos[i].m_tile_index;
8936 opj_tile_index_t* l_tile_index = &
8937 (p_j2k->cstr_index->tile_index[l_tile_index_no]);
8938 if (!l_tile_index->tp_index) {
8939 l_tile_index->tp_index = (opj_tp_index_t *) opj_calloc(
8940 l_tile_index->current_nb_tps, sizeof(opj_tp_index_t));
8941 if (! l_tile_index->tp_index) {
8942 opj_event_msg(p_manager, EVT_ERROR,
8943 "opj_j2k_build_tp_index_from_tlm(): tile index allocation failed\n");
8944 goto error;
8945 }
8946 }
8947
8948 assert(l_tile_index->nb_tps < l_tile_index->current_nb_tps);
8949 l_tile_index->tp_index[l_tile_index->nb_tps].start_pos = l_cur_offset;
8950 /* We don't know how to set the tp_index[].end_header field, but this is not really needed */
8951 /* If there would be no markers between SOT and SOD, that would be : */
8952 /* l_tile_index->tp_index[l_tile_index->nb_tps].end_header = l_cur_offset + 12; */
8953 l_tile_index->tp_index[l_tile_index->nb_tps].end_pos = l_cur_offset +
8954 l_tlm->m_tile_part_infos[i].m_length;
8955 ++l_tile_index->nb_tps;
8956
8957 l_cur_offset += l_tlm->m_tile_part_infos[i].m_length;
8958 }
8959
8960 return;
8961
8962 error:
8963 l_tlm->m_is_invalid = OPJ_TRUE;
8964 for (i = 0; i < l_tlm->m_entries_count; ++i) {
8965 OPJ_UINT32 l_tile_index = l_tlm->m_tile_part_infos[i].m_tile_index;
8966 p_j2k->cstr_index->tile_index[l_tile_index].current_nb_tps = 0;
8967 opj_free(p_j2k->cstr_index->tile_index[l_tile_index].tp_index);
8968 p_j2k->cstr_index->tile_index[l_tile_index].tp_index = NULL;
8969 }
8970 }
8971
8972 static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
8973 opj_stream_private_t *p_stream,
8974 opj_event_mgr_t * p_manager)
8975 {
8976 OPJ_UINT32 l_current_marker;
8977 OPJ_UINT32 l_marker_size;
8978 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
8979 OPJ_BOOL l_has_siz = 0;
8980 OPJ_BOOL l_has_cod = 0;
8981 OPJ_BOOL l_has_qcd = 0;
8982
8983 /* preconditions */
8984 assert(p_stream != 00);
8985 assert(p_j2k != 00);
8986 assert(p_manager != 00);
8987
8988 /* We enter in the main header */
8989 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
8990
8991 /* Try to read the SOC marker, the codestream must begin with SOC marker */
8992 if (! opj_j2k_read_soc(p_j2k, p_stream, p_manager)) {
8993 opj_event_msg(p_manager, EVT_ERROR, "Expected a SOC marker \n");
8994 return OPJ_FALSE;
8995 }
8996
8997 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8998 if (opj_stream_read_data(p_stream,
8999 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9000 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9001 return OPJ_FALSE;
9002 }
9003
9004 /* Read 2 bytes as the new marker ID */
9005 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
9006 &l_current_marker, 2);
9007
9008 /* Try to read until the SOT is detected */
9009 while (l_current_marker != J2K_MS_SOT) {
9010
9011 /* Check if the current marker ID is valid */
9012 if (l_current_marker < 0xff00) {
9013 opj_event_msg(p_manager, EVT_ERROR,
9014 "A marker ID was expected (0xff--) instead of %.8x\n", l_current_marker);
9015 return OPJ_FALSE;
9016 }
9017
9018 /* Get the marker handler from the marker ID */
9019 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
9020
9021 /* Manage case where marker is unknown */
9022 if (l_marker_handler->id == J2K_MS_UNK) {
9023 if (! opj_j2k_read_unk(p_j2k, p_stream, &l_current_marker, p_manager)) {
9024 opj_event_msg(p_manager, EVT_ERROR,
9025 "Unknown marker has been detected and generated error.\n");
9026 return OPJ_FALSE;
9027 }
9028
9029 if (l_current_marker == J2K_MS_SOT) {
9030 break; /* SOT marker is detected main header is completely read */
9031 } else { /* Get the marker handler from the marker ID */
9032 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
9033 }
9034 }
9035
9036 if (l_marker_handler->id == J2K_MS_SIZ) {
9037 /* Mark required SIZ marker as found */
9038 l_has_siz = 1;
9039 }
9040 if (l_marker_handler->id == J2K_MS_COD) {
9041 /* Mark required COD marker as found */
9042 l_has_cod = 1;
9043 }
9044 if (l_marker_handler->id == J2K_MS_QCD) {
9045 /* Mark required QCD marker as found */
9046 l_has_qcd = 1;
9047 }
9048
9049 /* Check if the marker is known and if it is the right place to find it */
9050 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
9051 opj_event_msg(p_manager, EVT_ERROR,
9052 "Marker is not compliant with its position\n");
9053 return OPJ_FALSE;
9054 }
9055
9056 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
9057 if (opj_stream_read_data(p_stream,
9058 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9059 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9060 return OPJ_FALSE;
9061 }
9062
9063 /* read 2 bytes as the marker size */
9064 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
9065 2);
9066 if (l_marker_size < 2) {
9067 opj_event_msg(p_manager, EVT_ERROR, "Invalid marker size\n");
9068 return OPJ_FALSE;
9069 }
9070 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
9071
9072 /* Check if the marker size is compatible with the header data size */
9073 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
9074 OPJ_BYTE *new_header_data = (OPJ_BYTE *) opj_realloc(
9075 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
9076 if (! new_header_data) {
9077 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
9078 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
9079 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
9080 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
9081 return OPJ_FALSE;
9082 }
9083 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
9084 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
9085 }
9086
9087 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
9088 if (opj_stream_read_data(p_stream,
9089 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
9090 p_manager) != l_marker_size) {
9091 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9092 return OPJ_FALSE;
9093 }
9094
9095 /* Read the marker segment with the correct marker handler */
9096 if (!(*(l_marker_handler->handler))(p_j2k,
9097 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
9098 opj_event_msg(p_manager, EVT_ERROR,
9099 "Marker handler function failed to read the marker segment\n");
9100 return OPJ_FALSE;
9101 }
9102
9103 /* Add the marker to the codestream index*/
9104 if (OPJ_FALSE == opj_j2k_add_mhmarker(
9105 p_j2k->cstr_index,
9106 l_marker_handler->id,
9107 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
9108 l_marker_size + 4)) {
9109 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
9110 return OPJ_FALSE;
9111 }
9112
9113 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
9114 if (opj_stream_read_data(p_stream,
9115 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9116 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9117 return OPJ_FALSE;
9118 }
9119
9120 /* read 2 bytes as the new marker ID */
9121 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
9122 &l_current_marker, 2);
9123 }
9124
9125 if (l_has_siz == 0) {
9126 opj_event_msg(p_manager, EVT_ERROR,
9127 "required SIZ marker not found in main header\n");
9128 return OPJ_FALSE;
9129 }
9130 if (l_has_cod == 0) {
9131 opj_event_msg(p_manager, EVT_ERROR,
9132 "required COD marker not found in main header\n");
9133 return OPJ_FALSE;
9134 }
9135 if (l_has_qcd == 0) {
9136 opj_event_msg(p_manager, EVT_ERROR,
9137 "required QCD marker not found in main header\n");
9138 return OPJ_FALSE;
9139 }
9140
9141 if (! opj_j2k_merge_ppm(&(p_j2k->m_cp), p_manager)) {
9142 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPM data\n");
9143 return OPJ_FALSE;
9144 }
9145
9146 opj_event_msg(p_manager, EVT_INFO, "Main header has been correctly decoded.\n");
9147
9148 /* Position of the last element if the main header */
9149 p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2;
9150
9151 /* Build tile-part index from TLM information */
9152 opj_j2k_build_tp_index_from_tlm(p_j2k, p_manager);
9153
9154 /* Next step: read a tile-part header */
9155 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
9156
9157 return OPJ_TRUE;
9158 }
9159
9160 static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
9161 opj_procedure_list_t * p_procedure_list,
9162 opj_stream_private_t *p_stream,
9163 opj_event_mgr_t * p_manager)
9164 {
9165 OPJ_BOOL(** l_procedure)(opj_j2k_t *, opj_stream_private_t *,
9166 opj_event_mgr_t *) = 00;
9167 OPJ_BOOL l_result = OPJ_TRUE;
9168 OPJ_UINT32 l_nb_proc, i;
9169
9170 /* preconditions*/
9171 assert(p_procedure_list != 00);
9172 assert(p_j2k != 00);
9173 assert(p_stream != 00);
9174 assert(p_manager != 00);
9175
9176 l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
9177 l_procedure = (OPJ_BOOL(**)(opj_j2k_t *, opj_stream_private_t *,
9178 opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
9179
9180 for (i = 0; i < l_nb_proc; ++i) {
9181 l_result = l_result && ((*l_procedure)(p_j2k, p_stream, p_manager));
9182 ++l_procedure;
9183 }
9184
9185 /* and clear the procedure list at the end.*/
9186 opj_procedure_list_clear(p_procedure_list);
9187 return l_result;
9188 }
9189
9190 /* FIXME DOC*/
9191 static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
9192 opj_stream_private_t *p_stream,
9193 opj_event_mgr_t * p_manager
9194 )
9195 {
9196 opj_tcp_t * l_tcp = 00;
9197 opj_tcp_t * l_default_tcp = 00;
9198 OPJ_UINT32 l_nb_tiles;
9199 OPJ_UINT32 i, j;
9200 opj_tccp_t *l_current_tccp = 00;
9201 OPJ_UINT32 l_tccp_size;
9202 OPJ_UINT32 l_mct_size;
9203 opj_image_t * l_image;
9204 OPJ_UINT32 l_mcc_records_size, l_mct_records_size;
9205 opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
9206 opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
9207 OPJ_UINT32 l_offset;
9208
9209 /* preconditions */
9210 assert(p_j2k != 00);
9211 assert(p_stream != 00);
9212 assert(p_manager != 00);
9213
9214 OPJ_UNUSED(p_stream);
9215
9216 l_image = p_j2k->m_private_image;
9217 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
9218 l_tcp = p_j2k->m_cp.tcps;
9219 l_tccp_size = l_image->numcomps * (OPJ_UINT32)sizeof(opj_tccp_t);
9220 l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
9221 l_mct_size = l_image->numcomps * l_image->numcomps * (OPJ_UINT32)sizeof(
9222 OPJ_FLOAT32);
9223
9224 /* For each tile */
9225 for (i = 0; i < l_nb_tiles; ++i) {
9226 /* keep the tile-compo coding parameters pointer of the current tile coding parameters*/
9227 l_current_tccp = l_tcp->tccps;
9228 /*Copy default coding parameters into the current tile coding parameters*/
9229 memcpy(l_tcp, l_default_tcp, sizeof(opj_tcp_t));
9230 /* Initialize some values of the current tile coding parameters*/
9231 l_tcp->cod = 0;
9232 l_tcp->ppt = 0;
9233 l_tcp->ppt_data = 00;
9234 l_tcp->m_current_tile_part_number = -1;
9235 /* Remove memory not owned by this tile in case of early error return. */
9236 l_tcp->m_mct_decoding_matrix = 00;
9237 l_tcp->m_nb_max_mct_records = 0;
9238 l_tcp->m_mct_records = 00;
9239 l_tcp->m_nb_max_mcc_records = 0;
9240 l_tcp->m_mcc_records = 00;
9241 /* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
9242 l_tcp->tccps = l_current_tccp;
9243
9244 /* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/
9245 if (l_default_tcp->m_mct_decoding_matrix) {
9246 l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
9247 if (! l_tcp->m_mct_decoding_matrix) {
9248 return OPJ_FALSE;
9249 }
9250 memcpy(l_tcp->m_mct_decoding_matrix, l_default_tcp->m_mct_decoding_matrix,
9251 l_mct_size);
9252 }
9253
9254 /* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/
9255 l_mct_records_size = l_default_tcp->m_nb_max_mct_records * (OPJ_UINT32)sizeof(
9256 opj_mct_data_t);
9257 l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(l_mct_records_size);
9258 if (! l_tcp->m_mct_records) {
9259 return OPJ_FALSE;
9260 }
9261 memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records, l_mct_records_size);
9262
9263 /* Copy the mct record data from dflt_tile_cp to the current tile*/
9264 l_src_mct_rec = l_default_tcp->m_mct_records;
9265 l_dest_mct_rec = l_tcp->m_mct_records;
9266
9267 for (j = 0; j < l_default_tcp->m_nb_mct_records; ++j) {
9268
9269 if (l_src_mct_rec->m_data) {
9270
9271 l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(l_src_mct_rec->m_data_size);
9272 if (! l_dest_mct_rec->m_data) {
9273 return OPJ_FALSE;
9274 }
9275 memcpy(l_dest_mct_rec->m_data, l_src_mct_rec->m_data,
9276 l_src_mct_rec->m_data_size);
9277 }
9278
9279 ++l_src_mct_rec;
9280 ++l_dest_mct_rec;
9281 /* Update with each pass to free exactly what has been allocated on early return. */
9282 l_tcp->m_nb_max_mct_records += 1;
9283 }
9284
9285 /* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
9286 l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * (OPJ_UINT32)sizeof(
9287 opj_simple_mcc_decorrelation_data_t);
9288 l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(
9289 l_mcc_records_size);
9290 if (! l_tcp->m_mcc_records) {
9291 return OPJ_FALSE;
9292 }
9293 memcpy(l_tcp->m_mcc_records, l_default_tcp->m_mcc_records, l_mcc_records_size);
9294 l_tcp->m_nb_max_mcc_records = l_default_tcp->m_nb_max_mcc_records;
9295
9296 /* Copy the mcc record data from dflt_tile_cp to the current tile*/
9297 l_src_mcc_rec = l_default_tcp->m_mcc_records;
9298 l_dest_mcc_rec = l_tcp->m_mcc_records;
9299
9300 for (j = 0; j < l_default_tcp->m_nb_max_mcc_records; ++j) {
9301
9302 if (l_src_mcc_rec->m_decorrelation_array) {
9303 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_decorrelation_array -
9304 l_default_tcp->m_mct_records);
9305 l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
9306 }
9307
9308 if (l_src_mcc_rec->m_offset_array) {
9309 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_offset_array -
9310 l_default_tcp->m_mct_records);
9311 l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
9312 }
9313
9314 ++l_src_mcc_rec;
9315 ++l_dest_mcc_rec;
9316 }
9317
9318 /* Copy all the dflt_tile_compo_cp to the current tile cp */
9319 memcpy(l_current_tccp, l_default_tcp->tccps, l_tccp_size);
9320
9321 /* Move to next tile cp*/
9322 ++l_tcp;
9323 }
9324
9325 /* Create the current tile decoder*/
9326 p_j2k->m_tcd = opj_tcd_create(OPJ_TRUE);
9327 if (! p_j2k->m_tcd) {
9328 return OPJ_FALSE;
9329 }
9330
9331 if (!opj_tcd_init(p_j2k->m_tcd, l_image, &(p_j2k->m_cp), p_j2k->m_tp)) {
9332 opj_tcd_destroy(p_j2k->m_tcd);
9333 p_j2k->m_tcd = 00;
9334 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
9335 return OPJ_FALSE;
9336 }
9337
9338 return OPJ_TRUE;
9339 }
9340
9341 static const opj_dec_memory_marker_handler_t * opj_j2k_get_marker_handler(
9342 OPJ_UINT32 p_id)
9343 {
9344 const opj_dec_memory_marker_handler_t *e;
9345 for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) {
9346 if (e->id == p_id) {
9347 break; /* we find a handler corresponding to the marker ID*/
9348 }
9349 }
9350 return e;
9351 }
9352
9353 void opj_j2k_destroy(opj_j2k_t *p_j2k)
9354 {
9355 if (p_j2k == 00) {
9356 return;
9357 }
9358
9359 if (p_j2k->m_is_decoder) {
9360
9361 if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) {
9362 opj_j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp);
9363 opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp);
9364 p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
9365 }
9366
9367 if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) {
9368 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
9369 p_j2k->m_specific_param.m_decoder.m_header_data = 00;
9370 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
9371 }
9372
9373 opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
9374 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = 00;
9375 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
9376
9377 opj_free(p_j2k->m_specific_param.m_decoder.m_tlm.m_tile_part_infos);
9378 p_j2k->m_specific_param.m_decoder.m_tlm.m_tile_part_infos = NULL;
9379
9380 opj_free(p_j2k->m_specific_param.m_decoder.m_intersecting_tile_parts_offset);
9381 p_j2k->m_specific_param.m_decoder.m_intersecting_tile_parts_offset = NULL;
9382
9383 } else {
9384
9385 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
9386 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
9387 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
9388 }
9389
9390 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
9391 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
9392 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
9393 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
9394 }
9395
9396 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
9397 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
9398 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
9399 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
9400 }
9401 }
9402
9403 opj_tcd_destroy(p_j2k->m_tcd);
9404
9405 opj_j2k_cp_destroy(&(p_j2k->m_cp));
9406 memset(&(p_j2k->m_cp), 0, sizeof(opj_cp_t));
9407
9408 opj_procedure_list_destroy(p_j2k->m_procedure_list);
9409 p_j2k->m_procedure_list = 00;
9410
9411 opj_procedure_list_destroy(p_j2k->m_validation_list);
9412 p_j2k->m_procedure_list = 00;
9413
9414 j2k_destroy_cstr_index(p_j2k->cstr_index);
9415 p_j2k->cstr_index = NULL;
9416
9417 opj_image_destroy(p_j2k->m_private_image);
9418 p_j2k->m_private_image = NULL;
9419
9420 opj_image_destroy(p_j2k->m_output_image);
9421 p_j2k->m_output_image = NULL;
9422
9423 opj_thread_pool_destroy(p_j2k->m_tp);
9424 p_j2k->m_tp = NULL;
9425
9426 opj_free(p_j2k);
9427 }
9428
9429 void j2k_destroy_cstr_index(opj_codestream_index_t *p_cstr_ind)
9430 {
9431 if (p_cstr_ind) {
9432
9433 if (p_cstr_ind->marker) {
9434 opj_free(p_cstr_ind->marker);
9435 p_cstr_ind->marker = NULL;
9436 }
9437
9438 if (p_cstr_ind->tile_index) {
9439 OPJ_UINT32 it_tile = 0;
9440
9441 for (it_tile = 0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) {
9442
9443 if (p_cstr_ind->tile_index[it_tile].packet_index) {
9444 opj_free(p_cstr_ind->tile_index[it_tile].packet_index);
9445 p_cstr_ind->tile_index[it_tile].packet_index = NULL;
9446 }
9447
9448 if (p_cstr_ind->tile_index[it_tile].tp_index) {
9449 opj_free(p_cstr_ind->tile_index[it_tile].tp_index);
9450 p_cstr_ind->tile_index[it_tile].tp_index = NULL;
9451 }
9452
9453 if (p_cstr_ind->tile_index[it_tile].marker) {
9454 opj_free(p_cstr_ind->tile_index[it_tile].marker);
9455 p_cstr_ind->tile_index[it_tile].marker = NULL;
9456
9457 }
9458 }
9459
9460 opj_free(p_cstr_ind->tile_index);
9461 p_cstr_ind->tile_index = NULL;
9462 }
9463
9464 opj_free(p_cstr_ind);
9465 }
9466 }
9467
9468 static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp)
9469 {
9470 if (p_tcp == 00) {
9471 return;
9472 }
9473
9474 if (p_tcp->ppt_markers != 00) {
9475 OPJ_UINT32 i;
9476 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
9477 if (p_tcp->ppt_markers[i].m_data != NULL) {
9478 opj_free(p_tcp->ppt_markers[i].m_data);
9479 }
9480 }
9481 p_tcp->ppt_markers_count = 0U;
9482 opj_free(p_tcp->ppt_markers);
9483 p_tcp->ppt_markers = NULL;
9484 }
9485
9486 if (p_tcp->ppt_buffer != 00) {
9487 opj_free(p_tcp->ppt_buffer);
9488 p_tcp->ppt_buffer = 00;
9489 }
9490
9491 if (p_tcp->tccps != 00) {
9492 opj_free(p_tcp->tccps);
9493 p_tcp->tccps = 00;
9494 }
9495
9496 if (p_tcp->m_mct_coding_matrix != 00) {
9497 opj_free(p_tcp->m_mct_coding_matrix);
9498 p_tcp->m_mct_coding_matrix = 00;
9499 }
9500
9501 if (p_tcp->m_mct_decoding_matrix != 00) {
9502 opj_free(p_tcp->m_mct_decoding_matrix);
9503 p_tcp->m_mct_decoding_matrix = 00;
9504 }
9505
9506 if (p_tcp->m_mcc_records) {
9507 opj_free(p_tcp->m_mcc_records);
9508 p_tcp->m_mcc_records = 00;
9509 p_tcp->m_nb_max_mcc_records = 0;
9510 p_tcp->m_nb_mcc_records = 0;
9511 }
9512
9513 if (p_tcp->m_mct_records) {
9514 opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
9515 OPJ_UINT32 i;
9516
9517 for (i = 0; i < p_tcp->m_nb_mct_records; ++i) {
9518 if (l_mct_data->m_data) {
9519 opj_free(l_mct_data->m_data);
9520 l_mct_data->m_data = 00;
9521 }
9522
9523 ++l_mct_data;
9524 }
9525
9526 opj_free(p_tcp->m_mct_records);
9527 p_tcp->m_mct_records = 00;
9528 }
9529
9530 if (p_tcp->mct_norms != 00) {
9531 opj_free(p_tcp->mct_norms);
9532 p_tcp->mct_norms = 00;
9533 }
9534
9535 opj_j2k_tcp_data_destroy(p_tcp);
9536
9537 }
9538
9539 static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp)
9540 {
9541 if (p_tcp->m_data) {
9542 opj_free(p_tcp->m_data);
9543 p_tcp->m_data = NULL;
9544 p_tcp->m_data_size = 0;
9545 }
9546 }
9547
9548 static void opj_j2k_cp_destroy(opj_cp_t *p_cp)
9549 {
9550 OPJ_UINT32 l_nb_tiles;
9551 opj_tcp_t * l_current_tile = 00;
9552
9553 if (p_cp == 00) {
9554 return;
9555 }
9556 if (p_cp->tcps != 00) {
9557 OPJ_UINT32 i;
9558 l_current_tile = p_cp->tcps;
9559 l_nb_tiles = p_cp->th * p_cp->tw;
9560
9561 for (i = 0U; i < l_nb_tiles; ++i) {
9562 opj_j2k_tcp_destroy(l_current_tile);
9563 ++l_current_tile;
9564 }
9565 opj_free(p_cp->tcps);
9566 p_cp->tcps = 00;
9567 }
9568 if (p_cp->ppm_markers != 00) {
9569 OPJ_UINT32 i;
9570 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
9571 if (p_cp->ppm_markers[i].m_data != NULL) {
9572 opj_free(p_cp->ppm_markers[i].m_data);
9573 }
9574 }
9575 p_cp->ppm_markers_count = 0U;
9576 opj_free(p_cp->ppm_markers);
9577 p_cp->ppm_markers = NULL;
9578 }
9579 opj_free(p_cp->ppm_buffer);
9580 p_cp->ppm_buffer = 00;
9581 p_cp->ppm_data =
9582 NULL; /* ppm_data belongs to the allocated buffer pointed by ppm_buffer */
9583 opj_free(p_cp->comment);
9584 p_cp->comment = 00;
9585 if (! p_cp->m_is_decoder) {
9586 opj_free(p_cp->m_specific_param.m_enc.m_matrice);
9587 p_cp->m_specific_param.m_enc.m_matrice = 00;
9588 }
9589 }
9590
9591 static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
9592 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
9593 opj_event_mgr_t * p_manager)
9594 {
9595 OPJ_BYTE l_header_data[10];
9596 OPJ_OFF_T l_stream_pos_backup;
9597 OPJ_UINT32 l_current_marker;
9598 OPJ_UINT32 l_marker_size;
9599 OPJ_UINT32 l_tile_no, l_tot_len, l_current_part, l_num_parts;
9600
9601 /* initialize to no correction needed */
9602 *p_correction_needed = OPJ_FALSE;
9603
9604 if (!opj_stream_has_seek(p_stream)) {
9605 /* We can't do much in this case, seek is needed */
9606 return OPJ_TRUE;
9607 }
9608
9609 l_stream_pos_backup = opj_stream_tell(p_stream);
9610 if (l_stream_pos_backup == -1) {
9611 /* let's do nothing */
9612 return OPJ_TRUE;
9613 }
9614
9615 for (;;) {
9616 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
9617 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
9618 /* assume all is OK */
9619 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9620 return OPJ_FALSE;
9621 }
9622 return OPJ_TRUE;
9623 }
9624
9625 /* Read 2 bytes from buffer as the new marker ID */
9626 opj_read_bytes(l_header_data, &l_current_marker, 2);
9627
9628 if (l_current_marker != J2K_MS_SOT) {
9629 /* assume all is OK */
9630 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9631 return OPJ_FALSE;
9632 }
9633 return OPJ_TRUE;
9634 }
9635
9636 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
9637 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
9638 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9639 return OPJ_FALSE;
9640 }
9641
9642 /* Read 2 bytes from the buffer as the marker size */
9643 opj_read_bytes(l_header_data, &l_marker_size, 2);
9644
9645 /* Check marker size for SOT Marker */
9646 if (l_marker_size != 10) {
9647 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
9648 return OPJ_FALSE;
9649 }
9650 l_marker_size -= 2;
9651
9652 if (opj_stream_read_data(p_stream, l_header_data, l_marker_size,
9653 p_manager) != l_marker_size) {
9654 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9655 return OPJ_FALSE;
9656 }
9657
9658 if (! opj_j2k_get_sot_values(l_header_data, l_marker_size, &l_tile_no,
9659 &l_tot_len, &l_current_part, &l_num_parts, p_manager)) {
9660 return OPJ_FALSE;
9661 }
9662
9663 if (l_tile_no == tile_no) {
9664 /* we found what we were looking for */
9665 break;
9666 }
9667
9668 if (l_tot_len < 14U) {
9669 /* last SOT until EOC or invalid Psot value */
9670 /* assume all is OK */
9671 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9672 return OPJ_FALSE;
9673 }
9674 return OPJ_TRUE;
9675 }
9676 l_tot_len -= 12U;
9677 /* look for next SOT marker */
9678 if (opj_stream_skip(p_stream, (OPJ_OFF_T)(l_tot_len),
9679 p_manager) != (OPJ_OFF_T)(l_tot_len)) {
9680 /* assume all is OK */
9681 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9682 return OPJ_FALSE;
9683 }
9684 return OPJ_TRUE;
9685 }
9686 }
9687
9688 /* check for correction */
9689 if (l_current_part == l_num_parts) {
9690 *p_correction_needed = OPJ_TRUE;
9691 }
9692
9693 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
9694 return OPJ_FALSE;
9695 }
9696 return OPJ_TRUE;
9697 }
9698
9699 OPJ_BOOL opj_j2k_read_tile_header(opj_j2k_t * p_j2k,
9700 OPJ_UINT32 * p_tile_index,
9701 OPJ_UINT32 * p_data_size,
9702 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
9703 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
9704 OPJ_UINT32 * p_nb_comps,
9705 OPJ_BOOL * p_go_on,
9706 opj_stream_private_t *p_stream,
9707 opj_event_mgr_t * p_manager)
9708 {
9709 OPJ_UINT32 l_current_marker = J2K_MS_SOT;
9710 OPJ_UINT32 l_marker_size;
9711 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
9712 opj_tcp_t * l_tcp = NULL;
9713 const OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
9714
9715 /* preconditions */
9716 assert(p_stream != 00);
9717 assert(p_j2k != 00);
9718 assert(p_manager != 00);
9719
9720 /* Reach the End Of Codestream ?*/
9721 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
9722 l_current_marker = J2K_MS_EOC;
9723 }
9724 /* We need to encounter a SOT marker (a new tile-part header) */
9725 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
9726 return OPJ_FALSE;
9727 }
9728
9729 /* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */
9730 while ((!p_j2k->m_specific_param.m_decoder.m_can_decode) &&
9731 (l_current_marker != J2K_MS_EOC)) {
9732
9733 if (p_j2k->m_specific_param.m_decoder.m_num_intersecting_tile_parts > 0 &&
9734 p_j2k->m_specific_param.m_decoder.m_idx_intersecting_tile_parts <
9735 p_j2k->m_specific_param.m_decoder.m_num_intersecting_tile_parts) {
9736 OPJ_OFF_T next_tp_sot_pos;
9737
9738 next_tp_sot_pos =
9739 p_j2k->m_specific_param.m_decoder.m_intersecting_tile_parts_offset[p_j2k->m_specific_param.m_decoder.m_idx_intersecting_tile_parts];
9740 ++p_j2k->m_specific_param.m_decoder.m_idx_intersecting_tile_parts;
9741 if (!(opj_stream_read_seek(p_stream,
9742 next_tp_sot_pos,
9743 p_manager))) {
9744 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
9745 return OPJ_FALSE;
9746 }
9747
9748 /* Try to read 2 bytes (the marker ID) from stream and copy them into the buffer */
9749 if (opj_stream_read_data(p_stream,
9750 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9751 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9752 return OPJ_FALSE;
9753 }
9754
9755 /* Read 2 bytes from the buffer as the marker ID */
9756 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
9757 &l_current_marker,
9758 2);
9759
9760 if (l_current_marker != J2K_MS_SOT) {
9761 opj_event_msg(p_manager, EVT_ERROR, "Did not get expected SOT marker\n");
9762 return OPJ_FALSE;
9763 }
9764 }
9765
9766 /* Try to read until the Start Of Data is detected */
9767 while (l_current_marker != J2K_MS_SOD) {
9768
9769 if (opj_stream_get_number_byte_left(p_stream) == 0) {
9770 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
9771 break;
9772 }
9773
9774 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
9775 if (opj_stream_read_data(p_stream,
9776 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9777 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9778 return OPJ_FALSE;
9779 }
9780
9781 /* Read 2 bytes from the buffer as the marker size */
9782 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
9783 2);
9784
9785 /* Check marker size (does not include marker ID but includes marker size) */
9786 if (l_marker_size < 2) {
9787 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
9788 return OPJ_FALSE;
9789 }
9790
9791 /* cf. https://code.google.com/p/openjpeg/issues/detail?id=226 */
9792 if (l_current_marker == 0x8080 &&
9793 opj_stream_get_number_byte_left(p_stream) == 0) {
9794 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
9795 break;
9796 }
9797
9798 /* Why this condition? FIXME */
9799 if ((p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH) &&
9800 p_j2k->m_specific_param.m_decoder.m_sot_length != 0) {
9801 if (p_j2k->m_specific_param.m_decoder.m_sot_length < l_marker_size + 2) {
9802 opj_event_msg(p_manager, EVT_ERROR,
9803 "Sot length is less than marker size + marker ID\n");
9804 return OPJ_FALSE;
9805 }
9806 p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
9807 }
9808 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
9809
9810 /* Get the marker handler from the marker ID */
9811 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
9812
9813 /* Check if the marker is known and if it is the right place to find it */
9814 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
9815 opj_event_msg(p_manager, EVT_ERROR,
9816 "Marker is not compliant with its position\n");
9817 return OPJ_FALSE;
9818 }
9819 /* FIXME manage case of unknown marker as in the main header ? */
9820
9821 /* Check if the marker size is compatible with the header data size */
9822 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
9823 OPJ_BYTE *new_header_data = NULL;
9824 /* If we are here, this means we consider this marker as known & we will read it */
9825 /* Check enough bytes left in stream before allocation */
9826 if ((OPJ_OFF_T)l_marker_size > opj_stream_get_number_byte_left(p_stream)) {
9827 opj_event_msg(p_manager, EVT_ERROR,
9828 "Marker size inconsistent with stream length\n");
9829 return OPJ_FALSE;
9830 }
9831 new_header_data = (OPJ_BYTE *) opj_realloc(
9832 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
9833 if (! new_header_data) {
9834 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
9835 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
9836 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
9837 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
9838 return OPJ_FALSE;
9839 }
9840 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
9841 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
9842 }
9843
9844 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
9845 if (opj_stream_read_data(p_stream,
9846 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
9847 p_manager) != l_marker_size) {
9848 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9849 return OPJ_FALSE;
9850 }
9851
9852 if (!l_marker_handler->handler) {
9853 /* See issue #175 */
9854 opj_event_msg(p_manager, EVT_ERROR, "Not sure how that happened.\n");
9855 return OPJ_FALSE;
9856 }
9857 /* Read the marker segment with the correct marker handler */
9858 if (!(*(l_marker_handler->handler))(p_j2k,
9859 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
9860 opj_event_msg(p_manager, EVT_ERROR,
9861 "Fail to read the current marker segment (%#x)\n", l_current_marker);
9862 return OPJ_FALSE;
9863 }
9864
9865 /* Add the marker to the codestream index*/
9866 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
9867 p_j2k->cstr_index,
9868 l_marker_handler->id,
9869 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
9870 l_marker_size + 4)) {
9871 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
9872 return OPJ_FALSE;
9873 }
9874
9875 /* Keep the position of the last SOT marker read */
9876 if (l_marker_handler->id == J2K_MS_SOT) {
9877 OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4
9878 ;
9879 if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos) {
9880 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos;
9881 }
9882 }
9883
9884 if (p_j2k->m_specific_param.m_decoder.m_skip_data) {
9885 /* Skip the rest of the tile part header*/
9886 if (opj_stream_skip(p_stream, p_j2k->m_specific_param.m_decoder.m_sot_length,
9887 p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) {
9888 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9889 return OPJ_FALSE;
9890 }
9891 l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */
9892 } else {
9893 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
9894 if (opj_stream_read_data(p_stream,
9895 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9896 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9897 return OPJ_FALSE;
9898 }
9899 /* Read 2 bytes from the buffer as the new marker ID */
9900 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
9901 &l_current_marker, 2);
9902 }
9903 }
9904 if (opj_stream_get_number_byte_left(p_stream) == 0
9905 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
9906 break;
9907 }
9908
9909 /* If we didn't skip data before, we need to read the SOD marker*/
9910 if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
9911 /* Try to read the SOD marker and skip data ? FIXME */
9912 if (! opj_j2k_read_sod(p_j2k, p_stream, p_manager)) {
9913 return OPJ_FALSE;
9914 }
9915
9916 /* Check if we can use the TLM index to access the next tile-part */
9917 if (!p_j2k->m_specific_param.m_decoder.m_can_decode &&
9918 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec >= 0 &&
9919 p_j2k->m_current_tile_number == (OPJ_UINT32)
9920 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec &&
9921 !p_j2k->m_specific_param.m_decoder.m_tlm.m_is_invalid &&
9922 opj_stream_has_seek(p_stream)) {
9923 l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
9924 if (l_tcp->m_nb_tile_parts ==
9925 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps &&
9926 (OPJ_UINT32)l_tcp->m_current_tile_part_number + 1 < l_tcp->m_nb_tile_parts) {
9927 const OPJ_OFF_T next_tp_sot_pos = p_j2k->cstr_index->tile_index[
9928 p_j2k->m_current_tile_number].tp_index[l_tcp->m_current_tile_part_number +
9929 1].start_pos;
9930
9931 if (next_tp_sot_pos != opj_stream_tell(p_stream)) {
9932 #if 0
9933 opj_event_msg(p_manager, EVT_INFO,
9934 "opj_j2k_read_tile_header(tile=%u): seek to tile part %u at %" PRId64 "\n",
9935 p_j2k->m_current_tile_number,
9936 l_tcp->m_current_tile_part_number + 1,
9937 next_tp_sot_pos);
9938 #endif
9939
9940 if (!(opj_stream_read_seek(p_stream,
9941 next_tp_sot_pos,
9942 p_manager))) {
9943 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
9944 return OPJ_FALSE;
9945 }
9946 }
9947
9948 /* Try to read 2 bytes (the marker ID) from stream and copy them into the buffer */
9949 if (opj_stream_read_data(p_stream,
9950 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
9951 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
9952 return OPJ_FALSE;
9953 }
9954
9955 /* Read 2 bytes from the buffer as the marker ID */
9956 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
9957 &l_current_marker,
9958 2);
9959
9960 if (l_current_marker != J2K_MS_SOT) {
9961 opj_event_msg(p_manager, EVT_ERROR, "Did not get expected SOT marker\n");
9962 return OPJ_FALSE;
9963 }
9964
9965 continue;
9966 }
9967 }
9968
9969 if (p_j2k->m_specific_param.m_decoder.m_can_decode &&
9970 !p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked) {
9971 /* Issue 254 */
9972 OPJ_BOOL l_correction_needed = OPJ_FALSE;
9973
9974 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
9975 if (p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts == 1) {
9976 /* Skip opj_j2k_need_nb_tile_parts_correction() if there is
9977 * only a single tile part declared. The
9978 * opj_j2k_need_nb_tile_parts_correction() hack was needed
9979 * for files with 5 declared tileparts (where they were
9980 * actually 6).
9981 * Doing it systematically hurts performance when reading
9982 * Sentinel2 L1C JPEG2000 files as explained in
9983 * https://lists.osgeo.org/pipermail/gdal-dev/2024-November/059805.html
9984 */
9985 } else if (!opj_j2k_need_nb_tile_parts_correction(p_stream,
9986 p_j2k->m_current_tile_number, &l_correction_needed, p_manager)) {
9987 opj_event_msg(p_manager, EVT_ERROR,
9988 "opj_j2k_apply_nb_tile_parts_correction error\n");
9989 return OPJ_FALSE;
9990 }
9991 if (l_correction_needed) {
9992 OPJ_UINT32 l_tile_no;
9993
9994 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
9995 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction = 1;
9996 /* correct tiles */
9997 for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
9998 if (p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts != 0U) {
9999 p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts += 1;
10000 }
10001 }
10002 opj_event_msg(p_manager, EVT_WARNING,
10003 "Non conformant codestream TPsot==TNsot.\n");
10004 }
10005 }
10006 } else {
10007 /* Indicate we will try to read a new tile-part header*/
10008 p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
10009 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
10010 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
10011 }
10012
10013 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
10014 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
10015 if (opj_stream_read_data(p_stream,
10016 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
10017
10018 /* Deal with likely non conformant SPOT6 files, where the last */
10019 /* row of tiles have TPsot == 0 and TNsot == 0, and missing EOC, */
10020 /* but no other tile-parts were found. */
10021 if (p_j2k->m_current_tile_number + 1 == l_nb_tiles) {
10022 OPJ_UINT32 l_tile_no;
10023 for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
10024 if (p_j2k->m_cp.tcps[l_tile_no].m_current_tile_part_number == 0 &&
10025 p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts == 0) {
10026 break;
10027 }
10028 }
10029 if (l_tile_no < l_nb_tiles) {
10030 opj_event_msg(p_manager, EVT_INFO,
10031 "Tile %u has TPsot == 0 and TNsot == 0, "
10032 "but no other tile-parts were found. "
10033 "EOC is also missing.\n",
10034 l_tile_no);
10035 p_j2k->m_current_tile_number = l_tile_no;
10036 l_current_marker = J2K_MS_EOC;
10037 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
10038 break;
10039 }
10040 }
10041
10042 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
10043 return OPJ_FALSE;
10044 }
10045
10046 /* Read 2 bytes from buffer as the new marker ID */
10047 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
10048 &l_current_marker, 2);
10049 }
10050 }
10051
10052 /* Current marker is the EOC marker ?*/
10053 if (l_current_marker == J2K_MS_EOC) {
10054 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
10055 p_j2k->m_current_tile_number = 0;
10056 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
10057 }
10058 }
10059
10060 /* Deal with tiles that have a single tile-part with TPsot == 0 and TNsot == 0 */
10061 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
10062 l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
10063
10064 while ((p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00)) {
10065 ++p_j2k->m_current_tile_number;
10066 ++l_tcp;
10067 }
10068
10069 if (p_j2k->m_current_tile_number == l_nb_tiles) {
10070 *p_go_on = OPJ_FALSE;
10071 return OPJ_TRUE;
10072 }
10073 }
10074
10075 if (! opj_j2k_merge_ppt(p_j2k->m_cp.tcps + p_j2k->m_current_tile_number,
10076 p_manager)) {
10077 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPT data\n");
10078 return OPJ_FALSE;
10079 }
10080 /*FIXME ???*/
10081 if (! opj_tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
10082 p_manager)) {
10083 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
10084 return OPJ_FALSE;
10085 }
10086
10087 opj_event_msg(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
10088 p_j2k->m_current_tile_number + 1, (p_j2k->m_cp.th * p_j2k->m_cp.tw));
10089
10090 *p_tile_index = p_j2k->m_current_tile_number;
10091 *p_go_on = OPJ_TRUE;
10092 if (p_data_size) {
10093 /* For internal use in j2k.c, we don't need this */
10094 /* This is just needed for folks using the opj_read_tile_header() / opj_decode_tile_data() combo */
10095 *p_data_size = opj_tcd_get_decoded_tile_size(p_j2k->m_tcd, OPJ_FALSE);
10096 if (*p_data_size == UINT_MAX) {
10097 return OPJ_FALSE;
10098 }
10099 }
10100 *p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
10101 *p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
10102 *p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
10103 *p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
10104 *p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
10105
10106 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
10107
10108 return OPJ_TRUE;
10109 }
10110
10111 OPJ_BOOL opj_j2k_decode_tile(opj_j2k_t * p_j2k,
10112 OPJ_UINT32 p_tile_index,
10113 OPJ_BYTE * p_data,
10114 OPJ_UINT32 p_data_size,
10115 opj_stream_private_t *p_stream,
10116 opj_event_mgr_t * p_manager)
10117 {
10118 OPJ_UINT32 l_current_marker;
10119 OPJ_BYTE l_data [2];
10120 opj_tcp_t * l_tcp;
10121 opj_image_t* l_image_for_bounds;
10122
10123 /* preconditions */
10124 assert(p_stream != 00);
10125 assert(p_j2k != 00);
10126 assert(p_manager != 00);
10127
10128 if (!(p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_DATA)
10129 || (p_tile_index != p_j2k->m_current_tile_number)) {
10130 return OPJ_FALSE;
10131 }
10132
10133 l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
10134 if (! l_tcp->m_data) {
10135 opj_j2k_tcp_destroy(l_tcp);
10136 return OPJ_FALSE;
10137 }
10138
10139 /* When using the opj_read_tile_header / opj_decode_tile_data API */
10140 /* such as in test_tile_decoder, m_output_image is NULL, so fall back */
10141 /* to the full image dimension. This is a bit surprising that */
10142 /* opj_set_decode_area() is only used to determine intersecting tiles, */
10143 /* but full tile decoding is done */
10144 l_image_for_bounds = p_j2k->m_output_image ? p_j2k->m_output_image :
10145 p_j2k->m_private_image;
10146 if (! opj_tcd_decode_tile(p_j2k->m_tcd,
10147 l_image_for_bounds->x0,
10148 l_image_for_bounds->y0,
10149 l_image_for_bounds->x1,
10150 l_image_for_bounds->y1,
10151 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode,
10152 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
10153 l_tcp->m_data,
10154 l_tcp->m_data_size,
10155 p_tile_index,
10156 p_j2k->cstr_index, p_manager)) {
10157 opj_j2k_tcp_destroy(l_tcp);
10158 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
10159 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode.\n");
10160 return OPJ_FALSE;
10161 }
10162
10163 /* p_data can be set to NULL when the call will take care of using */
10164 /* itself the TCD data. This is typically the case for whole single */
10165 /* tile decoding optimization. */
10166 if (p_data != NULL) {
10167 if (! opj_tcd_update_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
10168 return OPJ_FALSE;
10169 }
10170
10171 /* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access)
10172 * we destroy just the data which will be re-read in read_tile_header*/
10173 /*opj_j2k_tcp_destroy(l_tcp);
10174 p_j2k->m_tcd->tcp = 0;*/
10175 opj_j2k_tcp_data_destroy(l_tcp);
10176 }
10177
10178 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
10179 p_j2k->m_specific_param.m_decoder.m_state &= (~(OPJ_UINT32)J2K_STATE_DATA);
10180
10181 if (opj_stream_get_number_byte_left(p_stream) == 0
10182 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
10183 return OPJ_TRUE;
10184 }
10185
10186 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
10187 if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
10188 opj_event_msg(p_manager, p_j2k->m_cp.strict ? EVT_ERROR : EVT_WARNING,
10189 "Stream too short\n");
10190 return p_j2k->m_cp.strict ? OPJ_FALSE : OPJ_TRUE;
10191 }
10192 opj_read_bytes(l_data, &l_current_marker, 2);
10193
10194 if (l_current_marker == J2K_MS_EOC) {
10195 p_j2k->m_current_tile_number = 0;
10196 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
10197 } else if (l_current_marker != J2K_MS_SOT) {
10198 if (opj_stream_get_number_byte_left(p_stream) == 0) {
10199 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
10200 opj_event_msg(p_manager, EVT_WARNING, "Stream does not end with EOC\n");
10201 return OPJ_TRUE;
10202 }
10203 opj_event_msg(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
10204 return OPJ_FALSE;
10205 }
10206 }
10207
10208 return OPJ_TRUE;
10209 }
10210
10211 static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
10212 opj_image_t* p_output_image)
10213 {
10214 OPJ_UINT32 i, j;
10215 OPJ_UINT32 l_width_src, l_height_src;
10216 OPJ_UINT32 l_width_dest, l_height_dest;
10217 OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src;
10218 OPJ_SIZE_T l_start_offset_src;
10219 OPJ_UINT32 l_start_x_dest, l_start_y_dest;
10220 OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest;
10221 OPJ_SIZE_T l_start_offset_dest;
10222
10223 opj_image_comp_t * l_img_comp_src = 00;
10224 opj_image_comp_t * l_img_comp_dest = 00;
10225
10226 opj_tcd_tilecomp_t * l_tilec = 00;
10227 opj_image_t * l_image_src = 00;
10228 OPJ_INT32 * l_dest_ptr;
10229
10230 l_tilec = p_tcd->tcd_image->tiles->comps;
10231 l_image_src = p_tcd->image;
10232 l_img_comp_src = l_image_src->comps;
10233
10234 l_img_comp_dest = p_output_image->comps;
10235
10236 for (i = 0; i < l_image_src->numcomps;
10237 i++, ++l_img_comp_dest, ++l_img_comp_src, ++l_tilec) {
10238 OPJ_INT32 res_x0, res_x1, res_y0, res_y1;
10239 OPJ_UINT32 src_data_stride;
10240 const OPJ_INT32* p_src_data;
10241
10242 /* Copy info from decoded comp image to output image */
10243 l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded;
10244
10245 if (p_tcd->whole_tile_decoding) {
10246 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
10247 l_img_comp_src->resno_decoded;
10248 res_x0 = l_res->x0;
10249 res_y0 = l_res->y0;
10250 res_x1 = l_res->x1;
10251 res_y1 = l_res->y1;
10252 src_data_stride = (OPJ_UINT32)(
10253 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x1 -
10254 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x0);
10255 p_src_data = l_tilec->data;
10256 } else {
10257 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
10258 l_img_comp_src->resno_decoded;
10259 res_x0 = (OPJ_INT32)l_res->win_x0;
10260 res_y0 = (OPJ_INT32)l_res->win_y0;
10261 res_x1 = (OPJ_INT32)l_res->win_x1;
10262 res_y1 = (OPJ_INT32)l_res->win_y1;
10263 src_data_stride = l_res->win_x1 - l_res->win_x0;
10264 p_src_data = l_tilec->data_win;
10265 }
10266
10267 if (p_src_data == NULL) {
10268 /* Happens for partial component decoding */
10269 continue;
10270 }
10271
10272 l_width_src = (OPJ_UINT32)(res_x1 - res_x0);
10273 l_height_src = (OPJ_UINT32)(res_y1 - res_y0);
10274
10275
10276 /* Current tile component size*/
10277 /*if (i == 0) {
10278 fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n",
10279 res_x0, res_x1, res_y0, res_y1);
10280 }*/
10281
10282
10283 /* Border of the current output component*/
10284 l_x0_dest = opj_uint_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
10285 l_y0_dest = opj_uint_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
10286 l_x1_dest = l_x0_dest +
10287 l_img_comp_dest->w; /* can't overflow given that image->x1 is uint32 */
10288 l_y1_dest = l_y0_dest + l_img_comp_dest->h;
10289
10290 /*if (i == 0) {
10291 fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n",
10292 l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor );
10293 }*/
10294
10295 /*-----*/
10296 /* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src)
10297 * of the input buffer (decoded tile component) which will be move
10298 * in the output buffer. Compute the area of the output buffer (l_start_x_dest,
10299 * l_start_y_dest, l_width_dest, l_height_dest) which will be modified
10300 * by this input area.
10301 * */
10302 assert(res_x0 >= 0);
10303 assert(res_x1 >= 0);
10304 if (l_x0_dest < (OPJ_UINT32)res_x0) {
10305 l_start_x_dest = (OPJ_UINT32)res_x0 - l_x0_dest;
10306 l_offset_x0_src = 0;
10307
10308 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
10309 l_width_dest = l_width_src;
10310 l_offset_x1_src = 0;
10311 } else {
10312 l_width_dest = l_x1_dest - (OPJ_UINT32)res_x0 ;
10313 l_offset_x1_src = (OPJ_INT32)(l_width_src - l_width_dest);
10314 }
10315 } else {
10316 l_start_x_dest = 0U;
10317 l_offset_x0_src = (OPJ_INT32)l_x0_dest - res_x0;
10318
10319 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
10320 l_width_dest = l_width_src - (OPJ_UINT32)l_offset_x0_src;
10321 l_offset_x1_src = 0;
10322 } else {
10323 l_width_dest = l_img_comp_dest->w ;
10324 l_offset_x1_src = res_x1 - (OPJ_INT32)l_x1_dest;
10325 }
10326 }
10327
10328 if (l_y0_dest < (OPJ_UINT32)res_y0) {
10329 l_start_y_dest = (OPJ_UINT32)res_y0 - l_y0_dest;
10330 l_offset_y0_src = 0;
10331
10332 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
10333 l_height_dest = l_height_src;
10334 l_offset_y1_src = 0;
10335 } else {
10336 l_height_dest = l_y1_dest - (OPJ_UINT32)res_y0 ;
10337 l_offset_y1_src = (OPJ_INT32)(l_height_src - l_height_dest);
10338 }
10339 } else {
10340 l_start_y_dest = 0U;
10341 l_offset_y0_src = (OPJ_INT32)l_y0_dest - res_y0;
10342
10343 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
10344 l_height_dest = l_height_src - (OPJ_UINT32)l_offset_y0_src;
10345 l_offset_y1_src = 0;
10346 } else {
10347 l_height_dest = l_img_comp_dest->h ;
10348 l_offset_y1_src = res_y1 - (OPJ_INT32)l_y1_dest;
10349 }
10350 }
10351
10352 if ((l_offset_x0_src < 0) || (l_offset_y0_src < 0) || (l_offset_x1_src < 0) ||
10353 (l_offset_y1_src < 0)) {
10354 return OPJ_FALSE;
10355 }
10356 /* testcase 2977.pdf.asan.67.2198 */
10357 if ((OPJ_INT32)l_width_dest < 0 || (OPJ_INT32)l_height_dest < 0) {
10358 return OPJ_FALSE;
10359 }
10360 /*-----*/
10361
10362 /* Compute the input buffer offset */
10363 l_start_offset_src = (OPJ_SIZE_T)l_offset_x0_src + (OPJ_SIZE_T)l_offset_y0_src
10364 * (OPJ_SIZE_T)src_data_stride;
10365
10366 /* Compute the output buffer offset */
10367 l_start_offset_dest = (OPJ_SIZE_T)l_start_x_dest + (OPJ_SIZE_T)l_start_y_dest
10368 * (OPJ_SIZE_T)l_img_comp_dest->w;
10369
10370 /* Allocate output component buffer if necessary */
10371 if (l_img_comp_dest->data == NULL &&
10372 l_start_offset_src == 0 && l_start_offset_dest == 0 &&
10373 src_data_stride == l_img_comp_dest->w &&
10374 l_width_dest == l_img_comp_dest->w &&
10375 l_height_dest == l_img_comp_dest->h) {
10376 /* If the final image matches the tile buffer, then borrow it */
10377 /* directly to save a copy */
10378 if (p_tcd->whole_tile_decoding) {
10379 l_img_comp_dest->data = l_tilec->data;
10380 l_tilec->data = NULL;
10381 } else {
10382 l_img_comp_dest->data = l_tilec->data_win;
10383 l_tilec->data_win = NULL;
10384 }
10385 continue;
10386 } else if (l_img_comp_dest->data == NULL) {
10387 OPJ_SIZE_T l_width = l_img_comp_dest->w;
10388 OPJ_SIZE_T l_height = l_img_comp_dest->h;
10389
10390 if ((l_height == 0U) || (l_width > (SIZE_MAX / l_height)) ||
10391 l_width * l_height > SIZE_MAX / sizeof(OPJ_INT32)) {
10392 /* would overflow */
10393 return OPJ_FALSE;
10394 }
10395 l_img_comp_dest->data = (OPJ_INT32*) opj_image_data_alloc(l_width * l_height *
10396 sizeof(OPJ_INT32));
10397 if (! l_img_comp_dest->data) {
10398 return OPJ_FALSE;
10399 }
10400
10401 if (l_img_comp_dest->w != l_width_dest ||
10402 l_img_comp_dest->h != l_height_dest) {
10403 memset(l_img_comp_dest->data, 0,
10404 (OPJ_SIZE_T)l_img_comp_dest->w * l_img_comp_dest->h * sizeof(OPJ_INT32));
10405 }
10406 }
10407
10408 /* Move the output buffer to the first place where we will write*/
10409 l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest;
10410
10411 {
10412 const OPJ_INT32 * l_src_ptr = p_src_data;
10413 l_src_ptr += l_start_offset_src;
10414
10415 for (j = 0; j < l_height_dest; ++j) {
10416 memcpy(l_dest_ptr, l_src_ptr, l_width_dest * sizeof(OPJ_INT32));
10417 l_dest_ptr += l_img_comp_dest->w;
10418 l_src_ptr += src_data_stride;
10419 }
10420 }
10421
10422
10423 }
10424
10425 return OPJ_TRUE;
10426 }
10427
10428 static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
10429 opj_event_mgr_t * p_manager)
10430 {
10431 OPJ_UINT32 it_comp;
10432 OPJ_INT32 l_comp_x1, l_comp_y1;
10433 opj_image_comp_t* l_img_comp = NULL;
10434
10435 l_img_comp = p_image->comps;
10436 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
10437 OPJ_INT32 l_h, l_w;
10438 if (p_image->x0 > (OPJ_UINT32)INT_MAX ||
10439 p_image->y0 > (OPJ_UINT32)INT_MAX ||
10440 p_image->x1 > (OPJ_UINT32)INT_MAX ||
10441 p_image->y1 > (OPJ_UINT32)INT_MAX) {
10442 opj_event_msg(p_manager, EVT_ERROR,
10443 "Image coordinates above INT_MAX are not supported\n");
10444 return OPJ_FALSE;
10445 }
10446
10447 l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
10448 l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
10449 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
10450 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
10451
10452 l_w = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor)
10453 - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor);
10454 if (l_w < 0) {
10455 opj_event_msg(p_manager, EVT_ERROR,
10456 "Size x of the decoded component image is incorrect (comp[%d].w=%d).\n",
10457 it_comp, l_w);
10458 return OPJ_FALSE;
10459 }
10460 l_img_comp->w = (OPJ_UINT32)l_w;
10461
10462 l_h = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor)
10463 - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor);
10464 if (l_h < 0) {
10465 opj_event_msg(p_manager, EVT_ERROR,
10466 "Size y of the decoded component image is incorrect (comp[%d].h=%d).\n",
10467 it_comp, l_h);
10468 return OPJ_FALSE;
10469 }
10470 l_img_comp->h = (OPJ_UINT32)l_h;
10471
10472 l_img_comp++;
10473 }
10474
10475 return OPJ_TRUE;
10476 }
10477
10478 OPJ_BOOL opj_j2k_set_decoded_components(opj_j2k_t *p_j2k,
10479 OPJ_UINT32 numcomps,
10480 const OPJ_UINT32* comps_indices,
10481 opj_event_mgr_t * p_manager)
10482 {
10483 OPJ_UINT32 i;
10484 OPJ_BOOL* already_mapped;
10485
10486 if (p_j2k->m_private_image == NULL) {
10487 opj_event_msg(p_manager, EVT_ERROR,
10488 "opj_read_header() should be called before "
10489 "opj_set_decoded_components().\n");
10490 return OPJ_FALSE;
10491 }
10492
10493 already_mapped = (OPJ_BOOL*) opj_calloc(sizeof(OPJ_BOOL),
10494 p_j2k->m_private_image->numcomps);
10495 if (already_mapped == NULL) {
10496 return OPJ_FALSE;
10497 }
10498
10499 for (i = 0; i < numcomps; i++) {
10500 if (comps_indices[i] >= p_j2k->m_private_image->numcomps) {
10501 opj_event_msg(p_manager, EVT_ERROR,
10502 "Invalid component index: %u\n",
10503 comps_indices[i]);
10504 opj_free(already_mapped);
10505 return OPJ_FALSE;
10506 }
10507 if (already_mapped[comps_indices[i]]) {
10508 opj_event_msg(p_manager, EVT_ERROR,
10509 "Component index %u used several times\n",
10510 comps_indices[i]);
10511 opj_free(already_mapped);
10512 return OPJ_FALSE;
10513 }
10514 already_mapped[comps_indices[i]] = OPJ_TRUE;
10515 }
10516 opj_free(already_mapped);
10517
10518 opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
10519 if (numcomps) {
10520 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode =
10521 (OPJ_UINT32*) opj_malloc(numcomps * sizeof(OPJ_UINT32));
10522 if (p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode == NULL) {
10523 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
10524 return OPJ_FALSE;
10525 }
10526 memcpy(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
10527 comps_indices,
10528 numcomps * sizeof(OPJ_UINT32));
10529 } else {
10530 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = NULL;
10531 }
10532 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = numcomps;
10533
10534 return OPJ_TRUE;
10535 }
10536
10537
10538 OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k,
10539 opj_image_t* p_image,
10540 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
10541 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
10542 opj_event_mgr_t * p_manager)
10543 {
10544 opj_cp_t * l_cp = &(p_j2k->m_cp);
10545 opj_image_t * l_image = p_j2k->m_private_image;
10546 OPJ_BOOL ret;
10547 OPJ_UINT32 it_comp;
10548
10549 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10550 p_j2k->m_cp.tcps[0].m_data != NULL) {
10551 /* In the case of a single-tiled image whose codestream we have already */
10552 /* ingested, go on */
10553 }
10554 /* Check if we are read the main header */
10555 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
10556 opj_event_msg(p_manager, EVT_ERROR,
10557 "Need to decode the main header before begin to decode the remaining codestream.\n");
10558 return OPJ_FALSE;
10559 }
10560
10561 /* Update the comps[].factor member of the output image with the one */
10562 /* of m_reduce */
10563 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
10564 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
10565 }
10566
10567 if (!p_start_x && !p_start_y && !p_end_x && !p_end_y) {
10568 opj_event_msg(p_manager, EVT_INFO,
10569 "No decoded area parameters, set the decoded area to the whole image\n");
10570
10571 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
10572 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
10573 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
10574 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
10575
10576 p_image->x0 = l_image->x0;
10577 p_image->y0 = l_image->y0;
10578 p_image->x1 = l_image->x1;
10579 p_image->y1 = l_image->y1;
10580
10581 return opj_j2k_update_image_dimensions(p_image, p_manager);
10582 }
10583
10584 /* ----- */
10585 /* Check if the positions provided by the user are correct */
10586
10587 /* Left */
10588 if (p_start_x < 0) {
10589 opj_event_msg(p_manager, EVT_ERROR,
10590 "Left position of the decoded area (region_x0=%d) should be >= 0.\n",
10591 p_start_x);
10592 return OPJ_FALSE;
10593 } else if ((OPJ_UINT32)p_start_x > l_image->x1) {
10594 opj_event_msg(p_manager, EVT_ERROR,
10595 "Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n",
10596 p_start_x, l_image->x1);
10597 return OPJ_FALSE;
10598 } else if ((OPJ_UINT32)p_start_x < l_image->x0) {
10599 opj_event_msg(p_manager, EVT_WARNING,
10600 "Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n",
10601 p_start_x, l_image->x0);
10602 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
10603 p_image->x0 = l_image->x0;
10604 } else {
10605 p_j2k->m_specific_param.m_decoder.m_start_tile_x = ((OPJ_UINT32)p_start_x -
10606 l_cp->tx0) / l_cp->tdx;
10607 p_image->x0 = (OPJ_UINT32)p_start_x;
10608 }
10609
10610 /* Up */
10611 if (p_start_y < 0) {
10612 opj_event_msg(p_manager, EVT_ERROR,
10613 "Up position of the decoded area (region_y0=%d) should be >= 0.\n",
10614 p_start_y);
10615 return OPJ_FALSE;
10616 } else if ((OPJ_UINT32)p_start_y > l_image->y1) {
10617 opj_event_msg(p_manager, EVT_ERROR,
10618 "Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n",
10619 p_start_y, l_image->y1);
10620 return OPJ_FALSE;
10621 } else if ((OPJ_UINT32)p_start_y < l_image->y0) {
10622 opj_event_msg(p_manager, EVT_WARNING,
10623 "Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n",
10624 p_start_y, l_image->y0);
10625 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
10626 p_image->y0 = l_image->y0;
10627 } else {
10628 p_j2k->m_specific_param.m_decoder.m_start_tile_y = ((OPJ_UINT32)p_start_y -
10629 l_cp->ty0) / l_cp->tdy;
10630 p_image->y0 = (OPJ_UINT32)p_start_y;
10631 }
10632
10633 /* Right */
10634 if (p_end_x <= 0) {
10635 opj_event_msg(p_manager, EVT_ERROR,
10636 "Right position of the decoded area (region_x1=%d) should be > 0.\n",
10637 p_end_x);
10638 return OPJ_FALSE;
10639 } else if ((OPJ_UINT32)p_end_x < l_image->x0) {
10640 opj_event_msg(p_manager, EVT_ERROR,
10641 "Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n",
10642 p_end_x, l_image->x0);
10643 return OPJ_FALSE;
10644 } else if ((OPJ_UINT32)p_end_x > l_image->x1) {
10645 opj_event_msg(p_manager, EVT_WARNING,
10646 "Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n",
10647 p_end_x, l_image->x1);
10648 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
10649 p_image->x1 = l_image->x1;
10650 } else {
10651 p_j2k->m_specific_param.m_decoder.m_end_tile_x = opj_uint_ceildiv((
10652 OPJ_UINT32)p_end_x - l_cp->tx0, l_cp->tdx);
10653 p_image->x1 = (OPJ_UINT32)p_end_x;
10654 }
10655
10656 /* Bottom */
10657 if (p_end_y <= 0) {
10658 opj_event_msg(p_manager, EVT_ERROR,
10659 "Bottom position of the decoded area (region_y1=%d) should be > 0.\n",
10660 p_end_y);
10661 return OPJ_FALSE;
10662 } else if ((OPJ_UINT32)p_end_y < l_image->y0) {
10663 opj_event_msg(p_manager, EVT_ERROR,
10664 "Bottom position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n",
10665 p_end_y, l_image->y0);
10666 return OPJ_FALSE;
10667 }
10668 if ((OPJ_UINT32)p_end_y > l_image->y1) {
10669 opj_event_msg(p_manager, EVT_WARNING,
10670 "Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n",
10671 p_end_y, l_image->y1);
10672 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
10673 p_image->y1 = l_image->y1;
10674 } else {
10675 p_j2k->m_specific_param.m_decoder.m_end_tile_y = opj_uint_ceildiv((
10676 OPJ_UINT32)p_end_y - l_cp->ty0, l_cp->tdy);
10677 p_image->y1 = (OPJ_UINT32)p_end_y;
10678 }
10679 /* ----- */
10680
10681 p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1;
10682
10683 ret = opj_j2k_update_image_dimensions(p_image, p_manager);
10684
10685 if (ret) {
10686 opj_event_msg(p_manager, EVT_INFO, "Setting decoding area to %d,%d,%d,%d\n",
10687 p_image->x0, p_image->y0, p_image->x1, p_image->y1);
10688 }
10689
10690 return ret;
10691 }
10692
10693 opj_j2k_t* opj_j2k_create_decompress(void)
10694 {
10695 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
10696 if (!l_j2k) {
10697 return 00;
10698 }
10699
10700 l_j2k->m_is_decoder = 1;
10701 l_j2k->m_cp.m_is_decoder = 1;
10702 /* in the absence of JP2 boxes, consider different bit depth / sign */
10703 /* per component is allowed */
10704 l_j2k->m_cp.allow_different_bit_depth_sign = 1;
10705
10706 /* Default to using strict mode. */
10707 l_j2k->m_cp.strict = OPJ_TRUE;
10708
10709 #ifdef OPJ_DISABLE_TPSOT_FIX
10710 l_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
10711 #endif
10712
10713 l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_t*) opj_calloc(1,
10714 sizeof(opj_tcp_t));
10715 if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
10716 opj_j2k_destroy(l_j2k);
10717 return 00;
10718 }
10719
10720 l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_calloc(1,
10721 OPJ_J2K_DEFAULT_HEADER_SIZE);
10722 if (! l_j2k->m_specific_param.m_decoder.m_header_data) {
10723 opj_j2k_destroy(l_j2k);
10724 return 00;
10725 }
10726
10727 l_j2k->m_specific_param.m_decoder.m_header_data_size =
10728 OPJ_J2K_DEFAULT_HEADER_SIZE;
10729
10730 l_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = -1 ;
10731
10732 l_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = 0 ;
10733
10734 /* codestream index creation */
10735 l_j2k->cstr_index = opj_j2k_create_cstr_index();
10736 if (!l_j2k->cstr_index) {
10737 opj_j2k_destroy(l_j2k);
10738 return 00;
10739 }
10740
10741 /* validation list creation */
10742 l_j2k->m_validation_list = opj_procedure_list_create();
10743 if (! l_j2k->m_validation_list) {
10744 opj_j2k_destroy(l_j2k);
10745 return 00;
10746 }
10747
10748 /* execution list creation */
10749 l_j2k->m_procedure_list = opj_procedure_list_create();
10750 if (! l_j2k->m_procedure_list) {
10751 opj_j2k_destroy(l_j2k);
10752 return 00;
10753 }
10754
10755 l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
10756 if (!l_j2k->m_tp) {
10757 l_j2k->m_tp = opj_thread_pool_create(0);
10758 }
10759 if (!l_j2k->m_tp) {
10760 opj_j2k_destroy(l_j2k);
10761 return NULL;
10762 }
10763
10764 return l_j2k;
10765 }
10766
10767 static opj_codestream_index_t* opj_j2k_create_cstr_index(void)
10768 {
10769 opj_codestream_index_t* cstr_index = (opj_codestream_index_t*)
10770 opj_calloc(1, sizeof(opj_codestream_index_t));
10771 if (!cstr_index) {
10772 return NULL;
10773 }
10774
10775 cstr_index->maxmarknum = 100;
10776 cstr_index->marknum = 0;
10777 cstr_index->marker = (opj_marker_info_t*)
10778 opj_calloc(cstr_index->maxmarknum, sizeof(opj_marker_info_t));
10779 if (!cstr_index-> marker) {
10780 opj_free(cstr_index);
10781 return NULL;
10782 }
10783
10784 cstr_index->tile_index = NULL;
10785
10786 return cstr_index;
10787 }
10788
10789 static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
10790 OPJ_UINT32 p_tile_no,
10791 OPJ_UINT32 p_comp_no)
10792 {
10793 opj_cp_t *l_cp = 00;
10794 opj_tcp_t *l_tcp = 00;
10795 opj_tccp_t *l_tccp = 00;
10796
10797 /* preconditions */
10798 assert(p_j2k != 00);
10799
10800 l_cp = &(p_j2k->m_cp);
10801 l_tcp = &l_cp->tcps[p_tile_no];
10802 l_tccp = &l_tcp->tccps[p_comp_no];
10803
10804 /* preconditions again */
10805 assert(p_tile_no < (l_cp->tw * l_cp->th));
10806 assert(p_comp_no < p_j2k->m_private_image->numcomps);
10807
10808 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
10809 return 5 + l_tccp->numresolutions;
10810 } else {
10811 return 5;
10812 }
10813 }
10814
10815 static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
10816 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
10817 {
10818 OPJ_UINT32 i;
10819 opj_cp_t *l_cp = NULL;
10820 opj_tcp_t *l_tcp = NULL;
10821 opj_tccp_t *l_tccp0 = NULL;
10822 opj_tccp_t *l_tccp1 = NULL;
10823
10824 /* preconditions */
10825 assert(p_j2k != 00);
10826
10827 l_cp = &(p_j2k->m_cp);
10828 l_tcp = &l_cp->tcps[p_tile_no];
10829 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
10830 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
10831
10832 if (l_tccp0->numresolutions != l_tccp1->numresolutions) {
10833 return OPJ_FALSE;
10834 }
10835 if (l_tccp0->cblkw != l_tccp1->cblkw) {
10836 return OPJ_FALSE;
10837 }
10838 if (l_tccp0->cblkh != l_tccp1->cblkh) {
10839 return OPJ_FALSE;
10840 }
10841 if (l_tccp0->cblksty != l_tccp1->cblksty) {
10842 return OPJ_FALSE;
10843 }
10844 if (l_tccp0->qmfbid != l_tccp1->qmfbid) {
10845 return OPJ_FALSE;
10846 }
10847 if ((l_tccp0->csty & J2K_CCP_CSTY_PRT) != (l_tccp1->csty & J2K_CCP_CSTY_PRT)) {
10848 return OPJ_FALSE;
10849 }
10850
10851 for (i = 0U; i < l_tccp0->numresolutions; ++i) {
10852 if (l_tccp0->prcw[i] != l_tccp1->prcw[i]) {
10853 return OPJ_FALSE;
10854 }
10855 if (l_tccp0->prch[i] != l_tccp1->prch[i]) {
10856 return OPJ_FALSE;
10857 }
10858 }
10859 return OPJ_TRUE;
10860 }
10861
10862 static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
10863 OPJ_UINT32 p_tile_no,
10864 OPJ_UINT32 p_comp_no,
10865 OPJ_BYTE * p_data,
10866 OPJ_UINT32 * p_header_size,
10867 struct opj_event_mgr * p_manager)
10868 {
10869 OPJ_UINT32 i;
10870 opj_cp_t *l_cp = 00;
10871 opj_tcp_t *l_tcp = 00;
10872 opj_tccp_t *l_tccp = 00;
10873
10874 /* preconditions */
10875 assert(p_j2k != 00);
10876 assert(p_header_size != 00);
10877 assert(p_manager != 00);
10878 assert(p_data != 00);
10879
10880 l_cp = &(p_j2k->m_cp);
10881 l_tcp = &l_cp->tcps[p_tile_no];
10882 l_tccp = &l_tcp->tccps[p_comp_no];
10883
10884 /* preconditions again */
10885 assert(p_tile_no < (l_cp->tw * l_cp->th));
10886 assert(p_comp_no < (p_j2k->m_private_image->numcomps));
10887
10888 if (*p_header_size < 5) {
10889 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
10890 return OPJ_FALSE;
10891 }
10892
10893 opj_write_bytes(p_data, l_tccp->numresolutions - 1, 1); /* SPcoc (D) */
10894 ++p_data;
10895
10896 opj_write_bytes(p_data, l_tccp->cblkw - 2, 1); /* SPcoc (E) */
10897 ++p_data;
10898
10899 opj_write_bytes(p_data, l_tccp->cblkh - 2, 1); /* SPcoc (F) */
10900 ++p_data;
10901
10902 opj_write_bytes(p_data, l_tccp->cblksty,
10903 1); /* SPcoc (G) */
10904 ++p_data;
10905
10906 opj_write_bytes(p_data, l_tccp->qmfbid,
10907 1); /* SPcoc (H) */
10908 ++p_data;
10909
10910 *p_header_size = *p_header_size - 5;
10911
10912 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
10913
10914 if (*p_header_size < l_tccp->numresolutions) {
10915 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
10916 return OPJ_FALSE;
10917 }
10918
10919 for (i = 0; i < l_tccp->numresolutions; ++i) {
10920 opj_write_bytes(p_data, l_tccp->prcw[i] + (l_tccp->prch[i] << 4),
10921 1); /* SPcoc (I_i) */
10922 ++p_data;
10923 }
10924
10925 *p_header_size = *p_header_size - l_tccp->numresolutions;
10926 }
10927
10928 return OPJ_TRUE;
10929 }
10930
10931 static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
10932 OPJ_UINT32 compno,
10933 OPJ_BYTE * p_header_data,
10934 OPJ_UINT32 * p_header_size,
10935 opj_event_mgr_t * p_manager)
10936 {
10937 OPJ_UINT32 i, l_tmp;
10938 opj_cp_t *l_cp = NULL;
10939 opj_tcp_t *l_tcp = NULL;
10940 opj_tccp_t *l_tccp = NULL;
10941 OPJ_BYTE * l_current_ptr = NULL;
10942
10943 /* preconditions */
10944 assert(p_j2k != 00);
10945 assert(p_manager != 00);
10946 assert(p_header_data != 00);
10947
10948 l_cp = &(p_j2k->m_cp);
10949 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
10950 &l_cp->tcps[p_j2k->m_current_tile_number] :
10951 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10952
10953 /* precondition again */
10954 assert(compno < p_j2k->m_private_image->numcomps);
10955
10956 l_tccp = &l_tcp->tccps[compno];
10957 l_current_ptr = p_header_data;
10958
10959 /* make sure room is sufficient */
10960 if (*p_header_size < 5) {
10961 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
10962 return OPJ_FALSE;
10963 }
10964
10965 /* SPcod (D) / SPcoc (A) */
10966 opj_read_bytes(l_current_ptr, &l_tccp->numresolutions, 1);
10967 ++l_tccp->numresolutions; /* tccp->numresolutions = read() + 1 */
10968 if (l_tccp->numresolutions > OPJ_J2K_MAXRLVLS) {
10969 opj_event_msg(p_manager, EVT_ERROR,
10970 "Invalid value for numresolutions : %d, max value is set in openjpeg.h at %d\n",
10971 l_tccp->numresolutions, OPJ_J2K_MAXRLVLS);
10972 return OPJ_FALSE;
10973 }
10974 ++l_current_ptr;
10975
10976 /* If user wants to remove more resolutions than the codestream contains, return error */
10977 if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) {
10978 opj_event_msg(p_manager, EVT_ERROR,
10979 "Error decoding component %d.\nThe number of resolutions "
10980 "to remove (%d) is greater or equal than the number "
10981 "of resolutions of this component (%d)\nModify the cp_reduce parameter.\n\n",
10982 compno, l_cp->m_specific_param.m_dec.m_reduce, l_tccp->numresolutions);
10983 p_j2k->m_specific_param.m_decoder.m_state |=
10984 0x8000;/* FIXME J2K_DEC_STATE_ERR;*/
10985 return OPJ_FALSE;
10986 }
10987
10988 /* SPcod (E) / SPcoc (B) */
10989 opj_read_bytes(l_current_ptr, &l_tccp->cblkw, 1);
10990 ++l_current_ptr;
10991 l_tccp->cblkw += 2;
10992
10993 /* SPcod (F) / SPcoc (C) */
10994 opj_read_bytes(l_current_ptr, &l_tccp->cblkh, 1);
10995 ++l_current_ptr;
10996 l_tccp->cblkh += 2;
10997
10998 if ((l_tccp->cblkw > 10) || (l_tccp->cblkh > 10) ||
10999 ((l_tccp->cblkw + l_tccp->cblkh) > 12)) {
11000 opj_event_msg(p_manager, EVT_ERROR,
11001 "Error reading SPCod SPCoc element, Invalid cblkw/cblkh combination\n");
11002 return OPJ_FALSE;
11003 }
11004
11005 /* SPcod (G) / SPcoc (D) */
11006 opj_read_bytes(l_current_ptr, &l_tccp->cblksty, 1);
11007 ++l_current_ptr;
11008 if ((l_tccp->cblksty & J2K_CCP_CBLKSTY_HTMIXED) != 0) {
11009 /* We do not support HT mixed mode yet. For conformance, it should be supported.*/
11010 opj_event_msg(p_manager, EVT_ERROR,
11011 "Error reading SPCod SPCoc element. Unsupported Mixed HT code-block style found\n");
11012 return OPJ_FALSE;
11013 }
11014
11015 /* SPcod (H) / SPcoc (E) */
11016 opj_read_bytes(l_current_ptr, &l_tccp->qmfbid, 1);
11017 ++l_current_ptr;
11018
11019 if (l_tccp->qmfbid > 1) {
11020 opj_event_msg(p_manager, EVT_ERROR,
11021 "Error reading SPCod SPCoc element, Invalid transformation found\n");
11022 return OPJ_FALSE;
11023 }
11024
11025 *p_header_size = *p_header_size - 5;
11026
11027 /* use custom precinct size ? */
11028 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
11029 if (*p_header_size < l_tccp->numresolutions) {
11030 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
11031 return OPJ_FALSE;
11032 }
11033
11034 /* SPcod (I_i) / SPcoc (F_i) */
11035 for (i = 0; i < l_tccp->numresolutions; ++i) {
11036 opj_read_bytes(l_current_ptr, &l_tmp, 1);
11037 ++l_current_ptr;
11038 /* Precinct exponent 0 is only allowed for lowest resolution level (Table A.21) */
11039 if ((i != 0) && (((l_tmp & 0xf) == 0) || ((l_tmp >> 4) == 0))) {
11040 opj_event_msg(p_manager, EVT_ERROR, "Invalid precinct size\n");
11041 return OPJ_FALSE;
11042 }
11043 l_tccp->prcw[i] = l_tmp & 0xf;
11044 l_tccp->prch[i] = l_tmp >> 4;
11045 }
11046
11047 *p_header_size = *p_header_size - l_tccp->numresolutions;
11048 } else {
11049 /* set default size for the precinct width and height */
11050 for (i = 0; i < l_tccp->numresolutions; ++i) {
11051 l_tccp->prcw[i] = 15;
11052 l_tccp->prch[i] = 15;
11053 }
11054 }
11055
11056 #ifdef WIP_REMOVE_MSD
11057 /* INDEX >> */
11058 if (p_j2k->cstr_info && compno == 0) {
11059 OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32);
11060
11061 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkh =
11062 l_tccp->cblkh;
11063 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkw =
11064 l_tccp->cblkw;
11065 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].numresolutions
11066 = l_tccp->numresolutions;
11067 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblksty =
11068 l_tccp->cblksty;
11069 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].qmfbid =
11070 l_tccp->qmfbid;
11071
11072 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx, l_tccp->prcw,
11073 l_data_size);
11074 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy, l_tccp->prch,
11075 l_data_size);
11076 }
11077 /* << INDEX */
11078 #endif
11079
11080 return OPJ_TRUE;
11081 }
11082
11083 static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k)
11084 {
11085 /* loop */
11086 OPJ_UINT32 i;
11087 opj_cp_t *l_cp = NULL;
11088 opj_tcp_t *l_tcp = NULL;
11089 opj_tccp_t *l_ref_tccp = NULL, *l_copied_tccp = NULL;
11090 OPJ_UINT32 l_prc_size;
11091
11092 /* preconditions */
11093 assert(p_j2k != 00);
11094
11095 l_cp = &(p_j2k->m_cp);
11096 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
11097 ?
11098 &l_cp->tcps[p_j2k->m_current_tile_number] :
11099 p_j2k->m_specific_param.m_decoder.m_default_tcp;
11100
11101 l_ref_tccp = &l_tcp->tccps[0];
11102 l_copied_tccp = l_ref_tccp + 1;
11103 l_prc_size = l_ref_tccp->numresolutions * (OPJ_UINT32)sizeof(OPJ_UINT32);
11104
11105 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
11106 l_copied_tccp->numresolutions = l_ref_tccp->numresolutions;
11107 l_copied_tccp->cblkw = l_ref_tccp->cblkw;
11108 l_copied_tccp->cblkh = l_ref_tccp->cblkh;
11109 l_copied_tccp->cblksty = l_ref_tccp->cblksty;
11110 l_copied_tccp->qmfbid = l_ref_tccp->qmfbid;
11111 memcpy(l_copied_tccp->prcw, l_ref_tccp->prcw, l_prc_size);
11112 memcpy(l_copied_tccp->prch, l_ref_tccp->prch, l_prc_size);
11113 ++l_copied_tccp;
11114 }
11115 }
11116
11117 static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
11118 OPJ_UINT32 p_tile_no,
11119 OPJ_UINT32 p_comp_no)
11120 {
11121 OPJ_UINT32 l_num_bands;
11122
11123 opj_cp_t *l_cp = 00;
11124 opj_tcp_t *l_tcp = 00;
11125 opj_tccp_t *l_tccp = 00;
11126
11127 /* preconditions */
11128 assert(p_j2k != 00);
11129
11130 l_cp = &(p_j2k->m_cp);
11131 l_tcp = &l_cp->tcps[p_tile_no];
11132 l_tccp = &l_tcp->tccps[p_comp_no];
11133
11134 /* preconditions again */
11135 assert(p_tile_no < l_cp->tw * l_cp->th);
11136 assert(p_comp_no < p_j2k->m_private_image->numcomps);
11137
11138 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
11139 (l_tccp->numresolutions * 3 - 2);
11140
11141 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
11142 return 1 + l_num_bands;
11143 } else {
11144 return 1 + 2 * l_num_bands;
11145 }
11146 }
11147
11148 static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
11149 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
11150 {
11151 opj_cp_t *l_cp = NULL;
11152 opj_tcp_t *l_tcp = NULL;
11153 opj_tccp_t *l_tccp0 = NULL;
11154 opj_tccp_t *l_tccp1 = NULL;
11155 OPJ_UINT32 l_band_no, l_num_bands;
11156
11157 /* preconditions */
11158 assert(p_j2k != 00);
11159
11160 l_cp = &(p_j2k->m_cp);
11161 l_tcp = &l_cp->tcps[p_tile_no];
11162 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
11163 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
11164
11165 if (l_tccp0->qntsty != l_tccp1->qntsty) {
11166 return OPJ_FALSE;
11167 }
11168 if (l_tccp0->numgbits != l_tccp1->numgbits) {
11169 return OPJ_FALSE;
11170 }
11171 if (l_tccp0->qntsty == J2K_CCP_QNTSTY_SIQNT) {
11172 l_num_bands = 1U;
11173 } else {
11174 l_num_bands = l_tccp0->numresolutions * 3U - 2U;
11175 if (l_num_bands != (l_tccp1->numresolutions * 3U - 2U)) {
11176 return OPJ_FALSE;
11177 }
11178 }
11179
11180 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
11181 if (l_tccp0->stepsizes[l_band_no].expn != l_tccp1->stepsizes[l_band_no].expn) {
11182 return OPJ_FALSE;
11183 }
11184 }
11185 if (l_tccp0->qntsty != J2K_CCP_QNTSTY_NOQNT) {
11186 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
11187 if (l_tccp0->stepsizes[l_band_no].mant != l_tccp1->stepsizes[l_band_no].mant) {
11188 return OPJ_FALSE;
11189 }
11190 }
11191 }
11192 return OPJ_TRUE;
11193 }
11194
11195
11196 static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
11197 OPJ_UINT32 p_tile_no,
11198 OPJ_UINT32 p_comp_no,
11199 OPJ_BYTE * p_data,
11200 OPJ_UINT32 * p_header_size,
11201 struct opj_event_mgr * p_manager)
11202 {
11203 OPJ_UINT32 l_header_size;
11204 OPJ_UINT32 l_band_no, l_num_bands;
11205 OPJ_UINT32 l_expn, l_mant;
11206
11207 opj_cp_t *l_cp = 00;
11208 opj_tcp_t *l_tcp = 00;
11209 opj_tccp_t *l_tccp = 00;
11210
11211 /* preconditions */
11212 assert(p_j2k != 00);
11213 assert(p_header_size != 00);
11214 assert(p_manager != 00);
11215 assert(p_data != 00);
11216
11217 l_cp = &(p_j2k->m_cp);
11218 l_tcp = &l_cp->tcps[p_tile_no];
11219 l_tccp = &l_tcp->tccps[p_comp_no];
11220
11221 /* preconditions again */
11222 assert(p_tile_no < l_cp->tw * l_cp->th);
11223 assert(p_comp_no < p_j2k->m_private_image->numcomps);
11224
11225 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
11226 (l_tccp->numresolutions * 3 - 2);
11227
11228 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
11229 l_header_size = 1 + l_num_bands;
11230
11231 if (*p_header_size < l_header_size) {
11232 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
11233 return OPJ_FALSE;
11234 }
11235
11236 opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
11237 1); /* Sqcx */
11238 ++p_data;
11239
11240 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
11241 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
11242 opj_write_bytes(p_data, l_expn << 3, 1); /* SPqcx_i */
11243 ++p_data;
11244 }
11245 } else {
11246 l_header_size = 1 + 2 * l_num_bands;
11247
11248 if (*p_header_size < l_header_size) {
11249 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
11250 return OPJ_FALSE;
11251 }
11252
11253 opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
11254 1); /* Sqcx */
11255 ++p_data;
11256
11257 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
11258 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
11259 l_mant = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].mant;
11260
11261 opj_write_bytes(p_data, (l_expn << 11) + l_mant, 2); /* SPqcx_i */
11262 p_data += 2;
11263 }
11264 }
11265
11266 *p_header_size = *p_header_size - l_header_size;
11267
11268 return OPJ_TRUE;
11269 }
11270
11271 static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
11272 OPJ_UINT32 p_comp_no,
11273 OPJ_BYTE* p_header_data,
11274 OPJ_UINT32 * p_header_size,
11275 opj_event_mgr_t * p_manager
11276 )
11277 {
11278 /* loop*/
11279 OPJ_UINT32 l_band_no;
11280 opj_cp_t *l_cp = 00;
11281 opj_tcp_t *l_tcp = 00;
11282 opj_tccp_t *l_tccp = 00;
11283 OPJ_BYTE * l_current_ptr = 00;
11284 OPJ_UINT32 l_tmp, l_num_band;
11285
11286 /* preconditions*/
11287 assert(p_j2k != 00);
11288 assert(p_manager != 00);
11289 assert(p_header_data != 00);
11290
11291 l_cp = &(p_j2k->m_cp);
11292 /* come from tile part header or main header ?*/
11293 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
11294 ?
11295 &l_cp->tcps[p_j2k->m_current_tile_number] :
11296 p_j2k->m_specific_param.m_decoder.m_default_tcp;
11297
11298 /* precondition again*/
11299 assert(p_comp_no < p_j2k->m_private_image->numcomps);
11300
11301 l_tccp = &l_tcp->tccps[p_comp_no];
11302 l_current_ptr = p_header_data;
11303
11304 if (*p_header_size < 1) {
11305 opj_event_msg(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n");
11306 return OPJ_FALSE;
11307 }
11308 *p_header_size -= 1;
11309
11310 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* Sqcx */
11311 ++l_current_ptr;
11312
11313 l_tccp->qntsty = l_tmp & 0x1f;
11314 l_tccp->numgbits = l_tmp >> 5;
11315 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
11316 l_num_band = 1;
11317 } else {
11318 l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ?
11319 (*p_header_size) :
11320 (*p_header_size) / 2;
11321
11322 if (l_num_band > OPJ_J2K_MAXBANDS) {
11323 opj_event_msg(p_manager, EVT_WARNING,
11324 "While reading CCP_QNTSTY element inside QCD or QCC marker segment, "
11325 "number of subbands (%d) is greater to OPJ_J2K_MAXBANDS (%d). So we limit the number of elements stored to "
11326 "OPJ_J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, OPJ_J2K_MAXBANDS,
11327 OPJ_J2K_MAXBANDS);
11328 /*return OPJ_FALSE;*/
11329 }
11330 }
11331
11332 #ifdef USE_JPWL
11333 if (l_cp->correct) {
11334
11335 /* if JPWL is on, we check whether there are too many subbands */
11336 if (/*(l_num_band < 0) ||*/ (l_num_band >= OPJ_J2K_MAXBANDS)) {
11337 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
11338 "JPWL: bad number of subbands in Sqcx (%d)\n",
11339 l_num_band);
11340 if (!JPWL_ASSUME) {
11341 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
11342 return OPJ_FALSE;
11343 }
11344 /* we try to correct */
11345 l_num_band = 1;
11346 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n"
11347 "- setting number of bands to %d => HYPOTHESIS!!!\n",
11348 l_num_band);
11349 };
11350
11351 };
11352 #endif /* USE_JPWL */
11353
11354 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
11355 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
11356 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* SPqcx_i */
11357 ++l_current_ptr;
11358 if (l_band_no < OPJ_J2K_MAXBANDS) {
11359 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 3);
11360 l_tccp->stepsizes[l_band_no].mant = 0;
11361 }
11362 }
11363
11364 if (*p_header_size < l_num_band) {
11365 return OPJ_FALSE;
11366 }
11367 *p_header_size = *p_header_size - l_num_band;
11368 } else {
11369 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
11370 opj_read_bytes(l_current_ptr, &l_tmp, 2); /* SPqcx_i */
11371 l_current_ptr += 2;
11372 if (l_band_no < OPJ_J2K_MAXBANDS) {
11373 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 11);
11374 l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff;
11375 }
11376 }
11377
11378 if (*p_header_size < 2 * l_num_band) {
11379 return OPJ_FALSE;
11380 }
11381 *p_header_size = *p_header_size - 2 * l_num_band;
11382 }
11383
11384 /* Add Antonin : if scalar_derived -> compute other stepsizes */
11385 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
11386 for (l_band_no = 1; l_band_no < OPJ_J2K_MAXBANDS; l_band_no++) {
11387 l_tccp->stepsizes[l_band_no].expn =
11388 ((OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) > 0)
11389 ?
11390 (OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) : 0;
11391 l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
11392 }
11393 }
11394
11395 return OPJ_TRUE;
11396 }
11397
11398 static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k)
11399 {
11400 OPJ_UINT32 i;
11401 opj_cp_t *l_cp = NULL;
11402 opj_tcp_t *l_tcp = NULL;
11403 opj_tccp_t *l_ref_tccp = NULL;
11404 opj_tccp_t *l_copied_tccp = NULL;
11405 OPJ_UINT32 l_size;
11406
11407 /* preconditions */
11408 assert(p_j2k != 00);
11409
11410 l_cp = &(p_j2k->m_cp);
11411 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
11412 &l_cp->tcps[p_j2k->m_current_tile_number] :
11413 p_j2k->m_specific_param.m_decoder.m_default_tcp;
11414
11415 l_ref_tccp = &l_tcp->tccps[0];
11416 l_copied_tccp = l_ref_tccp + 1;
11417 l_size = OPJ_J2K_MAXBANDS * sizeof(opj_stepsize_t);
11418
11419 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
11420 l_copied_tccp->qntsty = l_ref_tccp->qntsty;
11421 l_copied_tccp->numgbits = l_ref_tccp->numgbits;
11422 memcpy(l_copied_tccp->stepsizes, l_ref_tccp->stepsizes, l_size);
11423 ++l_copied_tccp;
11424 }
11425 }
11426
11427 static void opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,
11428 OPJ_INT32 numcomps, FILE* out_stream)
11429 {
11430 if (l_default_tile) {
11431 OPJ_INT32 compno;
11432
11433 fprintf(out_stream, "\t default tile {\n");
11434 fprintf(out_stream, "\t\t csty=%#x\n", l_default_tile->csty);
11435 fprintf(out_stream, "\t\t prg=%#x\n", l_default_tile->prg);
11436 fprintf(out_stream, "\t\t numlayers=%d\n", l_default_tile->numlayers);
11437 fprintf(out_stream, "\t\t mct=%x\n", l_default_tile->mct);
11438
11439 for (compno = 0; compno < numcomps; compno++) {
11440 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
11441 OPJ_UINT32 resno;
11442 OPJ_INT32 bandno, numbands;
11443
11444 /* coding style*/
11445 fprintf(out_stream, "\t\t comp %d {\n", compno);
11446 fprintf(out_stream, "\t\t\t csty=%#x\n", l_tccp->csty);
11447 fprintf(out_stream, "\t\t\t numresolutions=%d\n", l_tccp->numresolutions);
11448 fprintf(out_stream, "\t\t\t cblkw=2^%d\n", l_tccp->cblkw);
11449 fprintf(out_stream, "\t\t\t cblkh=2^%d\n", l_tccp->cblkh);
11450 fprintf(out_stream, "\t\t\t cblksty=%#x\n", l_tccp->cblksty);
11451 fprintf(out_stream, "\t\t\t qmfbid=%d\n", l_tccp->qmfbid);
11452
11453 fprintf(out_stream, "\t\t\t preccintsize (w,h)=");
11454 for (resno = 0; resno < l_tccp->numresolutions; resno++) {
11455 fprintf(out_stream, "(%d,%d) ", l_tccp->prcw[resno], l_tccp->prch[resno]);
11456 }
11457 fprintf(out_stream, "\n");
11458
11459 /* quantization style*/
11460 fprintf(out_stream, "\t\t\t qntsty=%d\n", l_tccp->qntsty);
11461 fprintf(out_stream, "\t\t\t numgbits=%d\n", l_tccp->numgbits);
11462 fprintf(out_stream, "\t\t\t stepsizes (m,e)=");
11463 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
11464 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
11465 for (bandno = 0; bandno < numbands; bandno++) {
11466 fprintf(out_stream, "(%d,%d) ", l_tccp->stepsizes[bandno].mant,
11467 l_tccp->stepsizes[bandno].expn);
11468 }
11469 fprintf(out_stream, "\n");
11470
11471 /* RGN value*/
11472 fprintf(out_stream, "\t\t\t roishift=%d\n", l_tccp->roishift);
11473
11474 fprintf(out_stream, "\t\t }\n");
11475 } /*end of component of default tile*/
11476 fprintf(out_stream, "\t }\n"); /*end of default tile*/
11477 }
11478 }
11479
11480 void j2k_dump(opj_j2k_t* p_j2k, OPJ_INT32 flag, FILE* out_stream)
11481 {
11482 /* Check if the flag is compatible with j2k file*/
11483 if ((flag & OPJ_JP2_INFO) || (flag & OPJ_JP2_IND)) {
11484 fprintf(out_stream, "Wrong flag\n");
11485 return;
11486 }
11487
11488 /* Dump the image_header */
11489 if (flag & OPJ_IMG_INFO) {
11490 if (p_j2k->m_private_image) {
11491 j2k_dump_image_header(p_j2k->m_private_image, 0, out_stream);
11492 }
11493 }
11494
11495 /* Dump the codestream info from main header */
11496 if (flag & OPJ_J2K_MH_INFO) {
11497 if (p_j2k->m_private_image) {
11498 opj_j2k_dump_MH_info(p_j2k, out_stream);
11499 }
11500 }
11501 /* Dump all tile/codestream info */
11502 if (flag & OPJ_J2K_TCH_INFO) {
11503 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
11504 OPJ_UINT32 i;
11505 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
11506 if (p_j2k->m_private_image) {
11507 for (i = 0; i < l_nb_tiles; ++i) {
11508 opj_j2k_dump_tile_info(l_tcp, (OPJ_INT32)p_j2k->m_private_image->numcomps,
11509 out_stream);
11510 ++l_tcp;
11511 }
11512 }
11513 }
11514
11515 /* Dump the codestream info of the current tile */
11516 if (flag & OPJ_J2K_TH_INFO) {
11517
11518 }
11519
11520 /* Dump the codestream index from main header */
11521 if (flag & OPJ_J2K_MH_IND) {
11522 opj_j2k_dump_MH_index(p_j2k, out_stream);
11523 }
11524
11525 /* Dump the codestream index of the current tile */
11526 if (flag & OPJ_J2K_TH_IND) {
11527
11528 }
11529
11530 }
11531
11532 static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream)
11533 {
11534 opj_codestream_index_t* cstr_index = p_j2k->cstr_index;
11535 OPJ_UINT32 it_marker, it_tile, it_tile_part;
11536
11537 fprintf(out_stream, "Codestream index from main header: {\n");
11538
11539 fprintf(out_stream, "\t Main header start position=%" PRIi64 "\n"
11540 "\t Main header end position=%" PRIi64 "\n",
11541 cstr_index->main_head_start, cstr_index->main_head_end);
11542
11543 fprintf(out_stream, "\t Marker list: {\n");
11544
11545 if (cstr_index->marker) {
11546 for (it_marker = 0; it_marker < cstr_index->marknum ; it_marker++) {
11547 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
11548 cstr_index->marker[it_marker].type,
11549 cstr_index->marker[it_marker].pos,
11550 cstr_index->marker[it_marker].len);
11551 }
11552 }
11553
11554 fprintf(out_stream, "\t }\n");
11555
11556 if (cstr_index->tile_index) {
11557
11558 /* Simple test to avoid to write empty information*/
11559 OPJ_UINT32 l_acc_nb_of_tile_part = 0;
11560 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
11561 l_acc_nb_of_tile_part += cstr_index->tile_index[it_tile].nb_tps;
11562
11563 /* To avoid regenerating expected opj_dump results from the test */
11564 /* suite when there is a TLM marker present */
11565 if (cstr_index->tile_index[it_tile].nb_tps &&
11566 cstr_index->tile_index[it_tile].tp_index &&
11567 cstr_index->tile_index[it_tile].tp_index[0].start_pos > 0 &&
11568 cstr_index->tile_index[it_tile].tp_index[0].end_header == 0 &&
11569 getenv("OJP_DO_NOT_DISPLAY_TILE_INDEX_IF_TLM") != NULL) {
11570 l_acc_nb_of_tile_part = 0;
11571 break;
11572 }
11573 }
11574
11575 if (l_acc_nb_of_tile_part) {
11576 fprintf(out_stream, "\t Tile index: {\n");
11577
11578 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
11579 OPJ_UINT32 nb_of_tile_part = cstr_index->tile_index[it_tile].nb_tps;
11580
11581 fprintf(out_stream, "\t\t nb of tile-part in tile [%d]=%d\n", it_tile,
11582 nb_of_tile_part);
11583
11584 if (cstr_index->tile_index[it_tile].tp_index) {
11585 for (it_tile_part = 0; it_tile_part < nb_of_tile_part; it_tile_part++) {
11586 fprintf(out_stream, "\t\t\t tile-part[%d]: star_pos=%" PRIi64 ", end_header=%"
11587 PRIi64 ", end_pos=%" PRIi64 ".\n",
11588 it_tile_part,
11589 cstr_index->tile_index[it_tile].tp_index[it_tile_part].start_pos,
11590 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_header,
11591 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_pos);
11592 }
11593 }
11594
11595 if (cstr_index->tile_index[it_tile].marker) {
11596 for (it_marker = 0; it_marker < cstr_index->tile_index[it_tile].marknum ;
11597 it_marker++) {
11598 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
11599 cstr_index->tile_index[it_tile].marker[it_marker].type,
11600 cstr_index->tile_index[it_tile].marker[it_marker].pos,
11601 cstr_index->tile_index[it_tile].marker[it_marker].len);
11602 }
11603 }
11604 }
11605 fprintf(out_stream, "\t }\n");
11606 }
11607 }
11608
11609 fprintf(out_stream, "}\n");
11610
11611 }
11612
11613
11614 static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream)
11615 {
11616
11617 fprintf(out_stream, "Codestream info from main header: {\n");
11618
11619 fprintf(out_stream, "\t tx0=%" PRIu32 ", ty0=%" PRIu32 "\n", p_j2k->m_cp.tx0,
11620 p_j2k->m_cp.ty0);
11621 fprintf(out_stream, "\t tdx=%" PRIu32 ", tdy=%" PRIu32 "\n", p_j2k->m_cp.tdx,
11622 p_j2k->m_cp.tdy);
11623 fprintf(out_stream, "\t tw=%" PRIu32 ", th=%" PRIu32 "\n", p_j2k->m_cp.tw,
11624 p_j2k->m_cp.th);
11625 opj_j2k_dump_tile_info(p_j2k->m_specific_param.m_decoder.m_default_tcp,
11626 (OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream);
11627 fprintf(out_stream, "}\n");
11628 }
11629
11630 void j2k_dump_image_header(opj_image_t* img_header, OPJ_BOOL dev_dump_flag,
11631 FILE* out_stream)
11632 {
11633 char tab[2];
11634
11635 if (dev_dump_flag) {
11636 fprintf(stdout, "[DEV] Dump an image_header struct {\n");
11637 tab[0] = '\0';
11638 } else {
11639 fprintf(out_stream, "Image info {\n");
11640 tab[0] = '\t';
11641 tab[1] = '\0';
11642 }
11643
11644 fprintf(out_stream, "%s x0=%d, y0=%d\n", tab, img_header->x0, img_header->y0);
11645 fprintf(out_stream, "%s x1=%d, y1=%d\n", tab, img_header->x1,
11646 img_header->y1);
11647 fprintf(out_stream, "%s numcomps=%d\n", tab, img_header->numcomps);
11648
11649 if (img_header->comps) {
11650 OPJ_UINT32 compno;
11651 for (compno = 0; compno < img_header->numcomps; compno++) {
11652 fprintf(out_stream, "%s\t component %d {\n", tab, compno);
11653 j2k_dump_image_comp_header(&(img_header->comps[compno]), dev_dump_flag,
11654 out_stream);
11655 fprintf(out_stream, "%s}\n", tab);
11656 }
11657 }
11658
11659 fprintf(out_stream, "}\n");
11660 }
11661
11662 void j2k_dump_image_comp_header(opj_image_comp_t* comp_header,
11663 OPJ_BOOL dev_dump_flag, FILE* out_stream)
11664 {
11665 char tab[3];
11666
11667 if (dev_dump_flag) {
11668 fprintf(stdout, "[DEV] Dump an image_comp_header struct {\n");
11669 tab[0] = '\0';
11670 } else {
11671 tab[0] = '\t';
11672 tab[1] = '\t';
11673 tab[2] = '\0';
11674 }
11675
11676 fprintf(out_stream, "%s dx=%d, dy=%d\n", tab, comp_header->dx, comp_header->dy);
11677 fprintf(out_stream, "%s prec=%d\n", tab, comp_header->prec);
11678 fprintf(out_stream, "%s sgnd=%d\n", tab, comp_header->sgnd);
11679
11680 if (dev_dump_flag) {
11681 fprintf(out_stream, "}\n");
11682 }
11683 }
11684
11685 opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_t* p_j2k)
11686 {
11687 OPJ_UINT32 compno;
11688 OPJ_UINT32 numcomps = p_j2k->m_private_image->numcomps;
11689 opj_tcp_t *l_default_tile;
11690 opj_codestream_info_v2_t* cstr_info = (opj_codestream_info_v2_t*) opj_calloc(1,
11691 sizeof(opj_codestream_info_v2_t));
11692 if (!cstr_info) {
11693 return NULL;
11694 }
11695
11696 cstr_info->nbcomps = p_j2k->m_private_image->numcomps;
11697
11698 cstr_info->tx0 = p_j2k->m_cp.tx0;
11699 cstr_info->ty0 = p_j2k->m_cp.ty0;
11700 cstr_info->tdx = p_j2k->m_cp.tdx;
11701 cstr_info->tdy = p_j2k->m_cp.tdy;
11702 cstr_info->tw = p_j2k->m_cp.tw;
11703 cstr_info->th = p_j2k->m_cp.th;
11704
11705 cstr_info->tile_info = NULL; /* Not fill from the main header*/
11706
11707 l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
11708
11709 cstr_info->m_default_tile_info.csty = l_default_tile->csty;
11710 cstr_info->m_default_tile_info.prg = l_default_tile->prg;
11711 cstr_info->m_default_tile_info.numlayers = l_default_tile->numlayers;
11712 cstr_info->m_default_tile_info.mct = l_default_tile->mct;
11713
11714 cstr_info->m_default_tile_info.tccp_info = (opj_tccp_info_t*) opj_calloc(
11715 cstr_info->nbcomps, sizeof(opj_tccp_info_t));
11716 if (!cstr_info->m_default_tile_info.tccp_info) {
11717 opj_destroy_cstr_info(&cstr_info);
11718 return NULL;
11719 }
11720
11721 for (compno = 0; compno < numcomps; compno++) {
11722 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
11723 opj_tccp_info_t *l_tccp_info = &
11724 (cstr_info->m_default_tile_info.tccp_info[compno]);
11725 OPJ_INT32 bandno, numbands;
11726
11727 /* coding style*/
11728 l_tccp_info->csty = l_tccp->csty;
11729 l_tccp_info->numresolutions = l_tccp->numresolutions;
11730 l_tccp_info->cblkw = l_tccp->cblkw;
11731 l_tccp_info->cblkh = l_tccp->cblkh;
11732 l_tccp_info->cblksty = l_tccp->cblksty;
11733 l_tccp_info->qmfbid = l_tccp->qmfbid;
11734 if (l_tccp->numresolutions < OPJ_J2K_MAXRLVLS) {
11735 memcpy(l_tccp_info->prch, l_tccp->prch, l_tccp->numresolutions);
11736 memcpy(l_tccp_info->prcw, l_tccp->prcw, l_tccp->numresolutions);
11737 }
11738
11739 /* quantization style*/
11740 l_tccp_info->qntsty = l_tccp->qntsty;
11741 l_tccp_info->numgbits = l_tccp->numgbits;
11742
11743 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
11744 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
11745 if (numbands < OPJ_J2K_MAXBANDS) {
11746 for (bandno = 0; bandno < numbands; bandno++) {
11747 l_tccp_info->stepsizes_mant[bandno] = (OPJ_UINT32)
11748 l_tccp->stepsizes[bandno].mant;
11749 l_tccp_info->stepsizes_expn[bandno] = (OPJ_UINT32)
11750 l_tccp->stepsizes[bandno].expn;
11751 }
11752 }
11753
11754 /* RGN value*/
11755 l_tccp_info->roishift = l_tccp->roishift;
11756 }
11757
11758 return cstr_info;
11759 }
11760
11761 opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_t* p_j2k)
11762 {
11763 opj_codestream_index_t* l_cstr_index = (opj_codestream_index_t*)
11764 opj_calloc(1, sizeof(opj_codestream_index_t));
11765 if (!l_cstr_index) {
11766 return NULL;
11767 }
11768
11769 l_cstr_index->main_head_start = p_j2k->cstr_index->main_head_start;
11770 l_cstr_index->main_head_end = p_j2k->cstr_index->main_head_end;
11771 l_cstr_index->codestream_size = p_j2k->cstr_index->codestream_size;
11772
11773 l_cstr_index->marknum = p_j2k->cstr_index->marknum;
11774 l_cstr_index->marker = (opj_marker_info_t*)opj_malloc(l_cstr_index->marknum *
11775 sizeof(opj_marker_info_t));
11776 if (!l_cstr_index->marker) {
11777 opj_free(l_cstr_index);
11778 return NULL;
11779 }
11780
11781 if (p_j2k->cstr_index->marker) {
11782 memcpy(l_cstr_index->marker, p_j2k->cstr_index->marker,
11783 l_cstr_index->marknum * sizeof(opj_marker_info_t));
11784 } else {
11785 opj_free(l_cstr_index->marker);
11786 l_cstr_index->marker = NULL;
11787 }
11788
11789 l_cstr_index->nb_of_tiles = p_j2k->cstr_index->nb_of_tiles;
11790 l_cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
11791 l_cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
11792 if (!l_cstr_index->tile_index) {
11793 opj_free(l_cstr_index->marker);
11794 opj_free(l_cstr_index);
11795 return NULL;
11796 }
11797
11798 if (!p_j2k->cstr_index->tile_index) {
11799 opj_free(l_cstr_index->tile_index);
11800 l_cstr_index->tile_index = NULL;
11801 } else {
11802 OPJ_UINT32 it_tile = 0;
11803 for (it_tile = 0; it_tile < l_cstr_index->nb_of_tiles; it_tile++) {
11804
11805 /* Tile Marker*/
11806 l_cstr_index->tile_index[it_tile].marknum =
11807 p_j2k->cstr_index->tile_index[it_tile].marknum;
11808
11809 l_cstr_index->tile_index[it_tile].marker =
11810 (opj_marker_info_t*)opj_malloc(l_cstr_index->tile_index[it_tile].marknum *
11811 sizeof(opj_marker_info_t));
11812
11813 if (!l_cstr_index->tile_index[it_tile].marker) {
11814 OPJ_UINT32 it_tile_free;
11815
11816 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
11817 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
11818 }
11819
11820 opj_free(l_cstr_index->tile_index);
11821 opj_free(l_cstr_index->marker);
11822 opj_free(l_cstr_index);
11823 return NULL;
11824 }
11825
11826 if (p_j2k->cstr_index->tile_index[it_tile].marker)
11827 memcpy(l_cstr_index->tile_index[it_tile].marker,
11828 p_j2k->cstr_index->tile_index[it_tile].marker,
11829 l_cstr_index->tile_index[it_tile].marknum * sizeof(opj_marker_info_t));
11830 else {
11831 opj_free(l_cstr_index->tile_index[it_tile].marker);
11832 l_cstr_index->tile_index[it_tile].marker = NULL;
11833 }
11834
11835 /* Tile part index*/
11836 l_cstr_index->tile_index[it_tile].nb_tps =
11837 p_j2k->cstr_index->tile_index[it_tile].nb_tps;
11838
11839 l_cstr_index->tile_index[it_tile].tp_index =
11840 (opj_tp_index_t*)opj_malloc(l_cstr_index->tile_index[it_tile].nb_tps * sizeof(
11841 opj_tp_index_t));
11842
11843 if (!l_cstr_index->tile_index[it_tile].tp_index) {
11844 OPJ_UINT32 it_tile_free;
11845
11846 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
11847 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
11848 opj_free(l_cstr_index->tile_index[it_tile_free].tp_index);
11849 }
11850
11851 opj_free(l_cstr_index->tile_index);
11852 opj_free(l_cstr_index->marker);
11853 opj_free(l_cstr_index);
11854 return NULL;
11855 }
11856
11857 if (p_j2k->cstr_index->tile_index[it_tile].tp_index) {
11858 memcpy(l_cstr_index->tile_index[it_tile].tp_index,
11859 p_j2k->cstr_index->tile_index[it_tile].tp_index,
11860 l_cstr_index->tile_index[it_tile].nb_tps * sizeof(opj_tp_index_t));
11861 } else {
11862 opj_free(l_cstr_index->tile_index[it_tile].tp_index);
11863 l_cstr_index->tile_index[it_tile].tp_index = NULL;
11864 }
11865
11866 /* Packet index (NOT USED)*/
11867 l_cstr_index->tile_index[it_tile].nb_packet = 0;
11868 l_cstr_index->tile_index[it_tile].packet_index = NULL;
11869
11870 }
11871 }
11872
11873 return l_cstr_index;
11874 }
11875
11876 static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k)
11877 {
11878 OPJ_UINT32 it_tile = 0;
11879
11880 p_j2k->cstr_index->nb_of_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
11881 p_j2k->cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
11882 p_j2k->cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
11883 if (!p_j2k->cstr_index->tile_index) {
11884 return OPJ_FALSE;
11885 }
11886
11887 for (it_tile = 0; it_tile < p_j2k->cstr_index->nb_of_tiles; it_tile++) {
11888 p_j2k->cstr_index->tile_index[it_tile].maxmarknum = 100;
11889 p_j2k->cstr_index->tile_index[it_tile].marknum = 0;
11890 p_j2k->cstr_index->tile_index[it_tile].marker = (opj_marker_info_t*)
11891 opj_calloc(p_j2k->cstr_index->tile_index[it_tile].maxmarknum,
11892 sizeof(opj_marker_info_t));
11893 if (!p_j2k->cstr_index->tile_index[it_tile].marker) {
11894 return OPJ_FALSE;
11895 }
11896 }
11897
11898 return OPJ_TRUE;
11899 }
11900
11901 static OPJ_BOOL opj_j2k_are_all_used_components_decoded(opj_j2k_t *p_j2k,
11902 opj_event_mgr_t * p_manager)
11903 {
11904 OPJ_UINT32 compno;
11905 OPJ_BOOL decoded_all_used_components = OPJ_TRUE;
11906
11907 if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode) {
11908 for (compno = 0;
11909 compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
11910 OPJ_UINT32 dec_compno =
11911 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
11912 if (p_j2k->m_output_image->comps[dec_compno].data == NULL) {
11913 opj_event_msg(p_manager, EVT_WARNING, "Failed to decode component %d\n",
11914 dec_compno);
11915 decoded_all_used_components = OPJ_FALSE;
11916 }
11917 }
11918 } else {
11919 for (compno = 0; compno < p_j2k->m_output_image->numcomps; compno++) {
11920 if (p_j2k->m_output_image->comps[compno].data == NULL) {
11921 opj_event_msg(p_manager, EVT_WARNING, "Failed to decode component %d\n",
11922 compno);
11923 decoded_all_used_components = OPJ_FALSE;
11924 }
11925 }
11926 }
11927
11928 if (decoded_all_used_components == OPJ_FALSE) {
11929 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode all used components\n");
11930 return OPJ_FALSE;
11931 }
11932
11933 return OPJ_TRUE;
11934 }
11935
11936 static int CompareOffT(const void* a, const void* b)
11937 {
11938 const OPJ_OFF_T offA = *(const OPJ_OFF_T*)a;
11939 const OPJ_OFF_T offB = *(const OPJ_OFF_T*)b;
11940 if (offA < offB) {
11941 return -1;
11942 }
11943 if (offA == offB) {
11944 return 0;
11945 }
11946 return 1;
11947 }
11948
11949 static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
11950 opj_stream_private_t *p_stream,
11951 opj_event_mgr_t * p_manager)
11952 {
11953 OPJ_BOOL l_go_on = OPJ_TRUE;
11954 OPJ_UINT32 l_current_tile_no;
11955 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
11956 OPJ_UINT32 l_nb_comps;
11957 OPJ_UINT32 nr_tiles = 0;
11958 OPJ_OFF_T end_pos = 0;
11959
11960 /* Particular case for whole single tile decoding */
11961 /* We can avoid allocating intermediate tile buffers */
11962 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
11963 p_j2k->m_cp.tx0 == 0 && p_j2k->m_cp.ty0 == 0 &&
11964 p_j2k->m_output_image->x0 == 0 &&
11965 p_j2k->m_output_image->y0 == 0 &&
11966 p_j2k->m_output_image->x1 == p_j2k->m_cp.tdx &&
11967 p_j2k->m_output_image->y1 == p_j2k->m_cp.tdy) {
11968 OPJ_UINT32 i;
11969 if (! opj_j2k_read_tile_header(p_j2k,
11970 &l_current_tile_no,
11971 NULL,
11972 &l_tile_x0, &l_tile_y0,
11973 &l_tile_x1, &l_tile_y1,
11974 &l_nb_comps,
11975 &l_go_on,
11976 p_stream,
11977 p_manager)) {
11978 return OPJ_FALSE;
11979 }
11980
11981 if (!l_go_on ||
11982 ! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
11983 p_stream, p_manager)) {
11984 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile 1/1\n");
11985 return OPJ_FALSE;
11986 }
11987
11988 /* Transfer TCD data to output image data */
11989 for (i = 0; i < p_j2k->m_output_image->numcomps; i++) {
11990 opj_image_data_free(p_j2k->m_output_image->comps[i].data);
11991 p_j2k->m_output_image->comps[i].data =
11992 p_j2k->m_tcd->tcd_image->tiles->comps[i].data;
11993 p_j2k->m_output_image->comps[i].resno_decoded =
11994 p_j2k->m_tcd->image->comps[i].resno_decoded;
11995 p_j2k->m_tcd->tcd_image->tiles->comps[i].data = NULL;
11996 }
11997
11998 return OPJ_TRUE;
11999 }
12000
12001 p_j2k->m_specific_param.m_decoder.m_num_intersecting_tile_parts = 0;
12002 p_j2k->m_specific_param.m_decoder.m_idx_intersecting_tile_parts = 0;
12003 opj_free(p_j2k->m_specific_param.m_decoder.m_intersecting_tile_parts_offset);
12004 p_j2k->m_specific_param.m_decoder.m_intersecting_tile_parts_offset = NULL;
12005
12006 /* If the area to decode only intersects a subset of tiles, and we have
12007 * valid TLM information, then use it to plan the tilepart offsets to
12008 * seek to.
12009 */
12010 if (!(p_j2k->m_specific_param.m_decoder.m_start_tile_x == 0 &&
12011 p_j2k->m_specific_param.m_decoder.m_start_tile_y == 0 &&
12012 p_j2k->m_specific_param.m_decoder.m_end_tile_x == p_j2k->m_cp.tw &&
12013 p_j2k->m_specific_param.m_decoder.m_end_tile_y == p_j2k->m_cp.th) &&
12014 !p_j2k->m_specific_param.m_decoder.m_tlm.m_is_invalid &&
12015 opj_stream_has_seek(p_stream)) {
12016 OPJ_UINT32 m_num_intersecting_tile_parts = 0;
12017
12018 OPJ_UINT32 j;
12019 for (j = 0; j < p_j2k->m_cp.tw * p_j2k->m_cp.th; ++j) {
12020 if (p_j2k->cstr_index->tile_index[j].nb_tps > 0 &&
12021 p_j2k->cstr_index->tile_index[j].tp_index[
12022 p_j2k->cstr_index->tile_index[j].nb_tps - 1].end_pos > end_pos) {
12023 end_pos = p_j2k->cstr_index->tile_index[j].tp_index[
12024 p_j2k->cstr_index->tile_index[j].nb_tps - 1].end_pos;
12025 }
12026 }
12027
12028 for (j = p_j2k->m_specific_param.m_decoder.m_start_tile_y;
12029 j < p_j2k->m_specific_param.m_decoder.m_end_tile_y; ++j) {
12030 OPJ_UINT32 i;
12031 for (i = p_j2k->m_specific_param.m_decoder.m_start_tile_x;
12032 i < p_j2k->m_specific_param.m_decoder.m_end_tile_x; ++i) {
12033 const OPJ_UINT32 tile_number = j * p_j2k->m_cp.tw + i;
12034 m_num_intersecting_tile_parts +=
12035 p_j2k->cstr_index->tile_index[tile_number].nb_tps;
12036 }
12037 }
12038
12039 p_j2k->m_specific_param.m_decoder.m_intersecting_tile_parts_offset =
12040 (OPJ_OFF_T*)
12041 opj_malloc(m_num_intersecting_tile_parts * sizeof(OPJ_OFF_T));
12042 if (m_num_intersecting_tile_parts > 0 &&
12043 p_j2k->m_specific_param.m_decoder.m_intersecting_tile_parts_offset) {
12044 OPJ_UINT32 idx = 0;
12045 for (j = p_j2k->m_specific_param.m_decoder.m_start_tile_y;
12046 j < p_j2k->m_specific_param.m_decoder.m_end_tile_y; ++j) {
12047 OPJ_UINT32 i;
12048 for (i = p_j2k->m_specific_param.m_decoder.m_start_tile_x;
12049 i < p_j2k->m_specific_param.m_decoder.m_end_tile_x; ++i) {
12050 const OPJ_UINT32 tile_number = j * p_j2k->m_cp.tw + i;
12051 OPJ_UINT32 k;
12052 for (k = 0; k < p_j2k->cstr_index->tile_index[tile_number].nb_tps; ++k) {
12053 const OPJ_OFF_T next_tp_sot_pos =
12054 p_j2k->cstr_index->tile_index[tile_number].tp_index[k].start_pos;
12055 p_j2k->m_specific_param.m_decoder.m_intersecting_tile_parts_offset[idx] =
12056 next_tp_sot_pos;
12057 ++idx;
12058 }
12059 }
12060 }
12061
12062 p_j2k->m_specific_param.m_decoder.m_num_intersecting_tile_parts = idx;
12063
12064 /* Sort by increasing offset */
12065 qsort(p_j2k->m_specific_param.m_decoder.m_intersecting_tile_parts_offset,
12066 p_j2k->m_specific_param.m_decoder.m_num_intersecting_tile_parts,
12067 sizeof(OPJ_OFF_T),
12068 CompareOffT);
12069 }
12070 }
12071
12072 for (;;) {
12073 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
12074 p_j2k->m_cp.tcps[0].m_data != NULL) {
12075 l_current_tile_no = 0;
12076 p_j2k->m_current_tile_number = 0;
12077 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
12078 } else {
12079 if (! opj_j2k_read_tile_header(p_j2k,
12080 &l_current_tile_no,
12081 NULL,
12082 &l_tile_x0, &l_tile_y0,
12083 &l_tile_x1, &l_tile_y1,
12084 &l_nb_comps,
12085 &l_go_on,
12086 p_stream,
12087 p_manager)) {
12088 return OPJ_FALSE;
12089 }
12090
12091 if (! l_go_on) {
12092 break;
12093 }
12094 }
12095
12096 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
12097 p_stream, p_manager)) {
12098 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile %d/%d\n",
12099 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
12100 return OPJ_FALSE;
12101 }
12102
12103 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
12104 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
12105
12106 if (! opj_j2k_update_image_data(p_j2k->m_tcd,
12107 p_j2k->m_output_image)) {
12108 return OPJ_FALSE;
12109 }
12110
12111 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
12112 !(p_j2k->m_output_image->x0 == p_j2k->m_private_image->x0 &&
12113 p_j2k->m_output_image->y0 == p_j2k->m_private_image->y0 &&
12114 p_j2k->m_output_image->x1 == p_j2k->m_private_image->x1 &&
12115 p_j2k->m_output_image->y1 == p_j2k->m_private_image->y1)) {
12116 /* Keep current tcp data */
12117 } else {
12118 opj_j2k_tcp_data_destroy(&p_j2k->m_cp.tcps[l_current_tile_no]);
12119 }
12120
12121 opj_event_msg(p_manager, EVT_INFO,
12122 "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
12123
12124 if (opj_stream_get_number_byte_left(p_stream) == 0
12125 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
12126 break;
12127 }
12128 if (++nr_tiles == p_j2k->m_cp.th * p_j2k->m_cp.tw) {
12129 break;
12130 }
12131 if (p_j2k->m_specific_param.m_decoder.m_num_intersecting_tile_parts > 0 &&
12132 p_j2k->m_specific_param.m_decoder.m_idx_intersecting_tile_parts ==
12133 p_j2k->m_specific_param.m_decoder.m_num_intersecting_tile_parts) {
12134 opj_stream_seek(p_stream, end_pos + 2, p_manager);
12135 break;
12136 }
12137 }
12138
12139 if (! opj_j2k_are_all_used_components_decoded(p_j2k, p_manager)) {
12140 return OPJ_FALSE;
12141 }
12142
12143 return OPJ_TRUE;
12144 }
12145
12146 /**
12147 * Sets up the procedures to do on decoding data. Developers wanting to extend the library can add their own reading procedures.
12148 */
12149 static OPJ_BOOL opj_j2k_setup_decoding(opj_j2k_t *p_j2k,
12150 opj_event_mgr_t * p_manager)
12151 {
12152 /* preconditions*/
12153 assert(p_j2k != 00);
12154 assert(p_manager != 00);
12155
12156 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12157 (opj_procedure)opj_j2k_decode_tiles, p_manager)) {
12158 return OPJ_FALSE;
12159 }
12160 /* DEVELOPER CORNER, add your custom procedures */
12161
12162 return OPJ_TRUE;
12163 }
12164
12165 /*
12166 * Read and decode one tile.
12167 */
12168 static OPJ_BOOL opj_j2k_decode_one_tile(opj_j2k_t *p_j2k,
12169 opj_stream_private_t *p_stream,
12170 opj_event_mgr_t * p_manager)
12171 {
12172 OPJ_BOOL l_go_on = OPJ_TRUE;
12173 OPJ_UINT32 l_current_tile_no;
12174 OPJ_UINT32 l_tile_no_to_dec;
12175 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
12176 OPJ_UINT32 l_nb_comps;
12177 OPJ_UINT32 l_nb_tiles;
12178 OPJ_UINT32 i;
12179
12180 /* Move into the codestream to the first SOT used to decode the desired tile */
12181 l_tile_no_to_dec = (OPJ_UINT32)
12182 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec;
12183 if (p_j2k->cstr_index->tile_index)
12184 if (p_j2k->cstr_index->tile_index->tp_index) {
12185 if (! p_j2k->cstr_index->tile_index[l_tile_no_to_dec].nb_tps) {
12186 /* the index for this tile has not been built,
12187 * so move to the last SOT read */
12188 if (!(opj_stream_read_seek(p_stream,
12189 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos + 2, p_manager))) {
12190 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
12191 return OPJ_FALSE;
12192 }
12193 } else {
12194 OPJ_OFF_T sot_pos =
12195 p_j2k->cstr_index->tile_index[l_tile_no_to_dec].tp_index[0].start_pos;
12196 OPJ_UINT32 l_marker;
12197
12198 #if 0
12199 opj_event_msg(p_manager, EVT_INFO,
12200 "opj_j2k_decode_one_tile(%u): seek to %" PRId64 "\n",
12201 l_tile_no_to_dec,
12202 sot_pos);
12203 #endif
12204 if (!(opj_stream_read_seek(p_stream,
12205 sot_pos,
12206 p_manager))) {
12207 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
12208 return OPJ_FALSE;
12209 }
12210
12211 /* Try to read 2 bytes (the marker ID) from stream and copy them into the buffer */
12212 if (opj_stream_read_data(p_stream,
12213 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
12214 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
12215 return OPJ_FALSE;
12216 }
12217
12218 /* Read 2 bytes from the buffer as the marker ID */
12219 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker,
12220 2);
12221
12222 if (l_marker != J2K_MS_SOT) {
12223 opj_event_msg(p_manager, EVT_ERROR, "Did not get expected SOT marker\n");
12224 return OPJ_FALSE;
12225 }
12226 }
12227 /* Special case if we have previously read the EOC marker (if the previous tile getted is the last ) */
12228 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
12229 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
12230 }
12231 }
12232
12233 /* Reset current tile part number for all tiles, and not only the one */
12234 /* of interest. */
12235 /* Not completely sure this is always correct but required for */
12236 /* ./build/bin/j2k_random_tile_access ./build/tests/tte1.j2k */
12237 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
12238 for (i = 0; i < l_nb_tiles; ++i) {
12239 p_j2k->m_cp.tcps[i].m_current_tile_part_number = -1;
12240 }
12241
12242 for (;;) {
12243 if (! opj_j2k_read_tile_header(p_j2k,
12244 &l_current_tile_no,
12245 NULL,
12246 &l_tile_x0, &l_tile_y0,
12247 &l_tile_x1, &l_tile_y1,
12248 &l_nb_comps,
12249 &l_go_on,
12250 p_stream,
12251 p_manager)) {
12252 return OPJ_FALSE;
12253 }
12254
12255 if (! l_go_on) {
12256 break;
12257 }
12258
12259 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
12260 p_stream, p_manager)) {
12261 return OPJ_FALSE;
12262 }
12263 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
12264 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
12265
12266 if (! opj_j2k_update_image_data(p_j2k->m_tcd,
12267 p_j2k->m_output_image)) {
12268 return OPJ_FALSE;
12269 }
12270 opj_j2k_tcp_data_destroy(&p_j2k->m_cp.tcps[l_current_tile_no]);
12271
12272 opj_event_msg(p_manager, EVT_INFO,
12273 "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
12274
12275 if (l_current_tile_no == l_tile_no_to_dec) {
12276 /* move into the codestream to the first SOT (FIXME or not move?)*/
12277 if (!(opj_stream_read_seek(p_stream, p_j2k->cstr_index->main_head_end + 2,
12278 p_manager))) {
12279 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
12280 return OPJ_FALSE;
12281 }
12282 break;
12283 } else {
12284 opj_event_msg(p_manager, EVT_WARNING,
12285 "Tile read, decoded and updated is not the desired one (%d vs %d).\n",
12286 l_current_tile_no + 1, l_tile_no_to_dec + 1);
12287 }
12288
12289 }
12290
12291 if (! opj_j2k_are_all_used_components_decoded(p_j2k, p_manager)) {
12292 return OPJ_FALSE;
12293 }
12294
12295 return OPJ_TRUE;
12296 }
12297
12298 /**
12299 * Sets up the procedures to do on decoding one tile. Developers wanting to extend the library can add their own reading procedures.
12300 */
12301 static OPJ_BOOL opj_j2k_setup_decoding_tile(opj_j2k_t *p_j2k,
12302 opj_event_mgr_t * p_manager)
12303 {
12304 /* preconditions*/
12305 assert(p_j2k != 00);
12306 assert(p_manager != 00);
12307
12308 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
12309 (opj_procedure)opj_j2k_decode_one_tile, p_manager)) {
12310 return OPJ_FALSE;
12311 }
12312 /* DEVELOPER CORNER, add your custom procedures */
12313
12314 return OPJ_TRUE;
12315 }
12316
12317 static OPJ_BOOL opj_j2k_move_data_from_codec_to_output_image(opj_j2k_t * p_j2k,
12318 opj_image_t * p_image)
12319 {
12320 OPJ_UINT32 compno;
12321
12322 /* Move data and copy one information from codec to output image*/
12323 if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode > 0) {
12324 opj_image_comp_t* newcomps =
12325 (opj_image_comp_t*) opj_malloc(
12326 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode *
12327 sizeof(opj_image_comp_t));
12328 if (newcomps == NULL) {
12329 opj_image_destroy(p_j2k->m_private_image);
12330 p_j2k->m_private_image = NULL;
12331 return OPJ_FALSE;
12332 }
12333 for (compno = 0; compno < p_image->numcomps; compno++) {
12334 opj_image_data_free(p_image->comps[compno].data);
12335 p_image->comps[compno].data = NULL;
12336 }
12337 for (compno = 0;
12338 compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
12339 OPJ_UINT32 src_compno =
12340 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
12341 memcpy(&(newcomps[compno]),
12342 &(p_j2k->m_output_image->comps[src_compno]),
12343 sizeof(opj_image_comp_t));
12344 newcomps[compno].resno_decoded =
12345 p_j2k->m_output_image->comps[src_compno].resno_decoded;
12346 newcomps[compno].data = p_j2k->m_output_image->comps[src_compno].data;
12347 p_j2k->m_output_image->comps[src_compno].data = NULL;
12348 }
12349 for (compno = 0; compno < p_image->numcomps; compno++) {
12350 assert(p_j2k->m_output_image->comps[compno].data == NULL);
12351 opj_image_data_free(p_j2k->m_output_image->comps[compno].data);
12352 p_j2k->m_output_image->comps[compno].data = NULL;
12353 }
12354 p_image->numcomps = p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode;
12355 opj_free(p_image->comps);
12356 p_image->comps = newcomps;
12357 } else {
12358 for (compno = 0; compno < p_image->numcomps; compno++) {
12359 p_image->comps[compno].resno_decoded =
12360 p_j2k->m_output_image->comps[compno].resno_decoded;
12361 opj_image_data_free(p_image->comps[compno].data);
12362 p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
12363 #if 0
12364 char fn[256];
12365 snprintf(fn, sizeof fn, "/tmp/%d.raw", compno);
12366 FILE *debug = fopen(fn, "wb");
12367 fwrite(p_image->comps[compno].data, sizeof(OPJ_INT32),
12368 p_image->comps[compno].w * p_image->comps[compno].h, debug);
12369 fclose(debug);
12370 #endif
12371 p_j2k->m_output_image->comps[compno].data = NULL;
12372 }
12373 }
12374 return OPJ_TRUE;
12375 }
12376
12377 OPJ_BOOL opj_j2k_decode(opj_j2k_t * p_j2k,
12378 opj_stream_private_t * p_stream,
12379 opj_image_t * p_image,
12380 opj_event_mgr_t * p_manager)
12381 {
12382 if (!p_image) {
12383 return OPJ_FALSE;
12384 }
12385
12386 /* Heuristics to detect sequence opj_read_header(), opj_set_decoded_resolution_factor() */
12387 /* and finally opj_decode_image() without manual setting of comps[].factor */
12388 /* We could potentially always execute it, if we don't allow people to do */
12389 /* opj_read_header(), modify x0,y0,x1,y1 of returned image an call opj_decode_image() */
12390 if (p_j2k->m_cp.m_specific_param.m_dec.m_reduce > 0 &&
12391 p_j2k->m_private_image != NULL &&
12392 p_j2k->m_private_image->numcomps > 0 &&
12393 p_j2k->m_private_image->comps[0].factor ==
12394 p_j2k->m_cp.m_specific_param.m_dec.m_reduce &&
12395 p_image->numcomps > 0 &&
12396 p_image->comps[0].factor == 0 &&
12397 /* Don't mess with image dimension if the user has allocated it */
12398 p_image->comps[0].data == NULL) {
12399 OPJ_UINT32 it_comp;
12400
12401 /* Update the comps[].factor member of the output image with the one */
12402 /* of m_reduce */
12403 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
12404 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
12405 }
12406 if (!opj_j2k_update_image_dimensions(p_image, p_manager)) {
12407 return OPJ_FALSE;
12408 }
12409 }
12410
12411 if (p_j2k->m_output_image == NULL) {
12412 p_j2k->m_output_image = opj_image_create0();
12413 if (!(p_j2k->m_output_image)) {
12414 return OPJ_FALSE;
12415 }
12416 }
12417 opj_copy_image_header(p_image, p_j2k->m_output_image);
12418
12419 /* customization of the decoding */
12420 if (!opj_j2k_setup_decoding(p_j2k, p_manager)) {
12421 return OPJ_FALSE;
12422 }
12423
12424 /* Decode the codestream */
12425 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
12426 opj_image_destroy(p_j2k->m_private_image);
12427 p_j2k->m_private_image = NULL;
12428 return OPJ_FALSE;
12429 }
12430
12431 /* Move data and copy one information from codec to output image*/
12432 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
12433 }
12434
12435 OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
12436 opj_stream_private_t *p_stream,
12437 opj_image_t* p_image,
12438 opj_event_mgr_t * p_manager,
12439 OPJ_UINT32 tile_index)
12440 {
12441 OPJ_UINT32 compno;
12442 OPJ_UINT32 l_tile_x, l_tile_y;
12443 opj_image_comp_t* l_img_comp;
12444
12445 if (!p_image) {
12446 opj_event_msg(p_manager, EVT_ERROR, "We need an image previously created.\n");
12447 return OPJ_FALSE;
12448 }
12449
12450 if (p_image->numcomps < p_j2k->m_private_image->numcomps) {
12451 opj_event_msg(p_manager, EVT_ERROR,
12452 "Image has less components than codestream.\n");
12453 return OPJ_FALSE;
12454 }
12455
12456 if (/*(tile_index < 0) &&*/ (tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th)) {
12457 opj_event_msg(p_manager, EVT_ERROR,
12458 "Tile index provided by the user is incorrect %d (max = %d) \n", tile_index,
12459 (p_j2k->m_cp.tw * p_j2k->m_cp.th) - 1);
12460 return OPJ_FALSE;
12461 }
12462
12463 /* Compute the dimension of the desired tile*/
12464 l_tile_x = tile_index % p_j2k->m_cp.tw;
12465 l_tile_y = tile_index / p_j2k->m_cp.tw;
12466
12467 p_image->x0 = l_tile_x * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
12468 if (p_image->x0 < p_j2k->m_private_image->x0) {
12469 p_image->x0 = p_j2k->m_private_image->x0;
12470 }
12471 p_image->x1 = (l_tile_x + 1) * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
12472 if (p_image->x1 > p_j2k->m_private_image->x1) {
12473 p_image->x1 = p_j2k->m_private_image->x1;
12474 }
12475
12476 p_image->y0 = l_tile_y * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
12477 if (p_image->y0 < p_j2k->m_private_image->y0) {
12478 p_image->y0 = p_j2k->m_private_image->y0;
12479 }
12480 p_image->y1 = (l_tile_y + 1) * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
12481 if (p_image->y1 > p_j2k->m_private_image->y1) {
12482 p_image->y1 = p_j2k->m_private_image->y1;
12483 }
12484
12485 l_img_comp = p_image->comps;
12486 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
12487 OPJ_INT32 l_comp_x1, l_comp_y1;
12488
12489 l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
12490
12491 l_img_comp->x0 = opj_uint_ceildiv(p_image->x0, l_img_comp->dx);
12492 l_img_comp->y0 = opj_uint_ceildiv(p_image->y0, l_img_comp->dy);
12493 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
12494 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
12495
12496 l_img_comp->w = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_x1,
12497 (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0,
12498 (OPJ_INT32)l_img_comp->factor));
12499 l_img_comp->h = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_y1,
12500 (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0,
12501 (OPJ_INT32)l_img_comp->factor));
12502
12503 l_img_comp++;
12504 }
12505
12506 if (p_image->numcomps > p_j2k->m_private_image->numcomps) {
12507 /* Can happen when calling repeatdly opj_get_decoded_tile() on an
12508 * image with a color palette, where color palette expansion is done
12509 * later in jp2.c */
12510 for (compno = p_j2k->m_private_image->numcomps; compno < p_image->numcomps;
12511 ++compno) {
12512 opj_image_data_free(p_image->comps[compno].data);
12513 p_image->comps[compno].data = NULL;
12514 }
12515 p_image->numcomps = p_j2k->m_private_image->numcomps;
12516 }
12517
12518 /* Destroy the previous output image*/
12519 if (p_j2k->m_output_image) {
12520 opj_image_destroy(p_j2k->m_output_image);
12521 }
12522
12523 /* Create the output image from the information previously computed*/
12524 p_j2k->m_output_image = opj_image_create0();
12525 if (!(p_j2k->m_output_image)) {
12526 return OPJ_FALSE;
12527 }
12528 opj_copy_image_header(p_image, p_j2k->m_output_image);
12529
12530 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = (OPJ_INT32)tile_index;
12531
12532 /* customization of the decoding */
12533 if (!opj_j2k_setup_decoding_tile(p_j2k, p_manager)) {
12534 return OPJ_FALSE;
12535 }
12536
12537 /* Decode the codestream */
12538 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
12539 opj_image_destroy(p_j2k->m_private_image);
12540 p_j2k->m_private_image = NULL;
12541 return OPJ_FALSE;
12542 }
12543
12544 /* Move data and copy one information from codec to output image*/
12545 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
12546 }
12547
12548 OPJ_BOOL opj_j2k_set_decoded_resolution_factor(opj_j2k_t *p_j2k,
12549 OPJ_UINT32 res_factor,
12550 opj_event_mgr_t * p_manager)
12551 {
12552 OPJ_UINT32 it_comp;
12553
12554 p_j2k->m_cp.m_specific_param.m_dec.m_reduce = res_factor;
12555
12556 if (p_j2k->m_private_image) {
12557 if (p_j2k->m_private_image->comps) {
12558 if (p_j2k->m_specific_param.m_decoder.m_default_tcp) {
12559 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps) {
12560 for (it_comp = 0 ; it_comp < p_j2k->m_private_image->numcomps; it_comp++) {
12561 OPJ_UINT32 max_res =
12562 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[it_comp].numresolutions;
12563 if (res_factor >= max_res) {
12564 opj_event_msg(p_manager, EVT_ERROR,
12565 "Resolution factor is greater than the maximum resolution in the component.\n");
12566 return OPJ_FALSE;
12567 }
12568 p_j2k->m_private_image->comps[it_comp].factor = res_factor;
12569 }
12570 return OPJ_TRUE;
12571 }
12572 }
12573 }
12574 }
12575
12576 return OPJ_FALSE;
12577 }
12578
12579 /* ----------------------------------------------------------------------- */
12580
12581 OPJ_BOOL opj_j2k_encoder_set_extra_options(
12582 opj_j2k_t *p_j2k,
12583 const char* const* p_options,
12584 opj_event_mgr_t * p_manager)
12585 {
12586 const char* const* p_option_iter;
12587
12588 if (p_options == NULL) {
12589 return OPJ_TRUE;
12590 }
12591
12592 for (p_option_iter = p_options; *p_option_iter != NULL; ++p_option_iter) {
12593 if (strncmp(*p_option_iter, "PLT=", 4) == 0) {
12594 if (strcmp(*p_option_iter, "PLT=YES") == 0) {
12595 p_j2k->m_specific_param.m_encoder.m_PLT = OPJ_TRUE;
12596 } else if (strcmp(*p_option_iter, "PLT=NO") == 0) {
12597 p_j2k->m_specific_param.m_encoder.m_PLT = OPJ_FALSE;
12598 } else {
12599 opj_event_msg(p_manager, EVT_ERROR,
12600 "Invalid value for option: %s.\n", *p_option_iter);
12601 return OPJ_FALSE;
12602 }
12603 } else if (strncmp(*p_option_iter, "TLM=", 4) == 0) {
12604 if (strcmp(*p_option_iter, "TLM=YES") == 0) {
12605 p_j2k->m_specific_param.m_encoder.m_TLM = OPJ_TRUE;
12606 } else if (strcmp(*p_option_iter, "TLM=NO") == 0) {
12607 p_j2k->m_specific_param.m_encoder.m_TLM = OPJ_FALSE;
12608 } else {
12609 opj_event_msg(p_manager, EVT_ERROR,
12610 "Invalid value for option: %s.\n", *p_option_iter);
12611 return OPJ_FALSE;
12612 }
12613 } else if (strncmp(*p_option_iter, "GUARD_BITS=", strlen("GUARD_BITS=")) == 0) {
12614 OPJ_UINT32 tileno;
12615 opj_cp_t *cp = cp = &(p_j2k->m_cp);
12616
12617 int numgbits = atoi(*p_option_iter + strlen("GUARD_BITS="));
12618 if (numgbits < 0 || numgbits > 7) {
12619 opj_event_msg(p_manager, EVT_ERROR,
12620 "Invalid value for option: %s. Should be in [0,7]\n", *p_option_iter);
12621 return OPJ_FALSE;
12622 }
12623
12624 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
12625 OPJ_UINT32 i;
12626 opj_tcp_t *tcp = &cp->tcps[tileno];
12627 for (i = 0; i < p_j2k->m_specific_param.m_encoder.m_nb_comps; i++) {
12628 opj_tccp_t *tccp = &tcp->tccps[i];
12629 tccp->numgbits = (OPJ_UINT32)numgbits;
12630 }
12631 }
12632 } else {
12633 opj_event_msg(p_manager, EVT_ERROR,
12634 "Invalid option: %s.\n", *p_option_iter);
12635 return OPJ_FALSE;
12636 }
12637 }
12638
12639 return OPJ_TRUE;
12640 }
12641
12642 /* ----------------------------------------------------------------------- */
12643
12644 OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
12645 opj_stream_private_t *p_stream,
12646 opj_event_mgr_t * p_manager)
12647 {
12648 OPJ_UINT32 i, j;
12649 OPJ_UINT32 l_nb_tiles;
12650 OPJ_SIZE_T l_max_tile_size = 0, l_current_tile_size;
12651 OPJ_BYTE * l_current_data = 00;
12652 OPJ_BOOL l_reuse_data = OPJ_FALSE;
12653 opj_tcd_t* p_tcd = 00;
12654
12655 /* preconditions */
12656 assert(p_j2k != 00);
12657 assert(p_stream != 00);
12658 assert(p_manager != 00);
12659
12660 p_tcd = p_j2k->m_tcd;
12661
12662 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
12663 if (l_nb_tiles == 1) {
12664 l_reuse_data = OPJ_TRUE;
12665 #ifdef __SSE__
12666 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
12667 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
12668 if (((size_t)l_img_comp->data & 0xFU) !=
12669 0U) { /* tile data shall be aligned on 16 bytes */
12670 l_reuse_data = OPJ_FALSE;
12671 }
12672 }
12673 #endif
12674 }
12675 for (i = 0; i < l_nb_tiles; ++i) {
12676 if (! opj_j2k_pre_write_tile(p_j2k, i, p_stream, p_manager)) {
12677 if (l_current_data) {
12678 opj_free(l_current_data);
12679 }
12680 return OPJ_FALSE;
12681 }
12682
12683 /* if we only have one tile, then simply set tile component data equal to image component data */
12684 /* otherwise, allocate the data */
12685 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
12686 opj_tcd_tilecomp_t* l_tilec = p_tcd->tcd_image->tiles->comps + j;
12687 if (l_reuse_data) {
12688 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
12689 l_tilec->data = l_img_comp->data;
12690 l_tilec->ownsData = OPJ_FALSE;
12691 } else {
12692 if (! opj_alloc_tile_component_data(l_tilec)) {
12693 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
12694 if (l_current_data) {
12695 opj_free(l_current_data);
12696 }
12697 return OPJ_FALSE;
12698 }
12699 }
12700 }
12701 l_current_tile_size = opj_tcd_get_encoder_input_buffer_size(p_j2k->m_tcd);
12702 if (!l_reuse_data) {
12703 if (l_current_tile_size > l_max_tile_size) {
12704 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data,
12705 l_current_tile_size);
12706 if (! l_new_current_data) {
12707 if (l_current_data) {
12708 opj_free(l_current_data);
12709 }
12710 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to encode all tiles\n");
12711 return OPJ_FALSE;
12712 }
12713 l_current_data = l_new_current_data;
12714 l_max_tile_size = l_current_tile_size;
12715 }
12716 if (l_current_data == NULL) {
12717 /* Should not happen in practice, but will avoid Coverity to */
12718 /* complain about a null pointer dereference */
12719 assert(0);
12720 return OPJ_FALSE;
12721 }
12722
12723 /* copy image data (32 bit) to l_current_data as contiguous, all-component, zero offset buffer */
12724 /* 32 bit components @ 8 bit precision get converted to 8 bit */
12725 /* 32 bit components @ 16 bit precision get converted to 16 bit */
12726 opj_j2k_get_tile_data(p_j2k->m_tcd, l_current_data);
12727
12728 /* now copy this data into the tile component */
12729 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, l_current_data,
12730 l_current_tile_size)) {
12731 opj_event_msg(p_manager, EVT_ERROR,
12732 "Size mismatch between tile data and sent data.");
12733 opj_free(l_current_data);
12734 return OPJ_FALSE;
12735 }
12736 }
12737
12738 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
12739 if (l_current_data) {
12740 opj_free(l_current_data);
12741 }
12742 return OPJ_FALSE;
12743 }
12744 }
12745
12746 if (l_current_data) {
12747 opj_free(l_current_data);
12748 }
12749 return OPJ_TRUE;
12750 }
12751
12752 OPJ_BOOL opj_j2k_end_compress(opj_j2k_t *p_j2k,
12753 opj_stream_private_t *p_stream,
12754 opj_event_mgr_t * p_manager)
12755 {
12756 /* customization of the encoding */
12757 if (! opj_j2k_setup_end_compress(p_j2k, p_manager)) {
12758 return OPJ_FALSE;
12759 }
12760
12761 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
12762 return OPJ_FALSE;
12763 }
12764
12765 return OPJ_TRUE;
12766 }
12767
12768 OPJ_BOOL opj_j2k_start_compress(opj_j2k_t *p_j2k,
12769 opj_stream_private_t *p_stream,
12770 opj_image_t * p_image,
12771 opj_event_mgr_t * p_manager)
12772 {
12773 /* preconditions */
12774 assert(p_j2k != 00);
12775 assert(p_stream != 00);
12776 assert(p_manager != 00);
12777
12778 p_j2k->m_private_image = opj_image_create0();
12779 if (! p_j2k->m_private_image) {
12780 opj_event_msg(p_manager, EVT_ERROR, "Failed to allocate image header.");
12781 return OPJ_FALSE;
12782 }
12783 opj_copy_image_header(p_image, p_j2k->m_private_image);
12784
12785 /* TODO_MSD: Find a better way */
12786 if (p_image->comps) {
12787 OPJ_UINT32 it_comp;
12788 for (it_comp = 0 ; it_comp < p_image->numcomps; it_comp++) {
12789 if (p_image->comps[it_comp].data) {
12790 p_j2k->m_private_image->comps[it_comp].data = p_image->comps[it_comp].data;
12791 p_image->comps[it_comp].data = NULL;
12792
12793 }
12794 }
12795 }
12796
12797 /* customization of the validation */
12798 if (! opj_j2k_setup_encoding_validation(p_j2k, p_manager)) {
12799 return OPJ_FALSE;
12800 }
12801
12802 /* validation of the parameters codec */
12803 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
12804 return OPJ_FALSE;
12805 }
12806
12807 /* customization of the encoding */
12808 if (! opj_j2k_setup_header_writing(p_j2k, p_manager)) {
12809 return OPJ_FALSE;
12810 }
12811
12812 /* write header */
12813 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
12814 return OPJ_FALSE;
12815 }
12816
12817 return OPJ_TRUE;
12818 }
12819
12820 static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
12821 OPJ_UINT32 p_tile_index,
12822 opj_stream_private_t *p_stream,
12823 opj_event_mgr_t * p_manager)
12824 {
12825 (void)p_stream;
12826 if (p_tile_index != p_j2k->m_current_tile_number) {
12827 opj_event_msg(p_manager, EVT_ERROR, "The given tile index does not match.");
12828 return OPJ_FALSE;
12829 }
12830
12831 opj_event_msg(p_manager, EVT_INFO, "tile number %d / %d\n",
12832 p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th);
12833
12834 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0;
12835 p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts;
12836 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
12837
12838 /* initialisation before tile encoding */
12839 if (! opj_tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
12840 p_manager)) {
12841 return OPJ_FALSE;
12842 }
12843
12844 return OPJ_TRUE;
12845 }
12846
12847 static void opj_get_tile_dimensions(opj_image_t * l_image,
12848 opj_tcd_tilecomp_t * l_tilec,
12849 opj_image_comp_t * l_img_comp,
12850 OPJ_UINT32* l_size_comp,
12851 OPJ_UINT32* l_width,
12852 OPJ_UINT32* l_height,
12853 OPJ_UINT32* l_offset_x,
12854 OPJ_UINT32* l_offset_y,
12855 OPJ_UINT32* l_image_width,
12856 OPJ_UINT32* l_stride,
12857 OPJ_UINT32* l_tile_offset)
12858 {
12859 OPJ_UINT32 l_remaining;
12860 *l_size_comp = l_img_comp->prec >> 3; /* (/8) */
12861 l_remaining = l_img_comp->prec & 7; /* (%8) */
12862 if (l_remaining) {
12863 *l_size_comp += 1;
12864 }
12865
12866 if (*l_size_comp == 3) {
12867 *l_size_comp = 4;
12868 }
12869
12870 *l_width = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0);
12871 *l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0);
12872 *l_offset_x = opj_uint_ceildiv(l_image->x0, l_img_comp->dx);
12873 *l_offset_y = opj_uint_ceildiv(l_image->y0, l_img_comp->dy);
12874 *l_image_width = opj_uint_ceildiv(l_image->x1 - l_image->x0, l_img_comp->dx);
12875 *l_stride = *l_image_width - *l_width;
12876 *l_tile_offset = ((OPJ_UINT32)l_tilec->x0 - *l_offset_x) + ((
12877 OPJ_UINT32)l_tilec->y0 - *l_offset_y) * *l_image_width;
12878 }
12879
12880 static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data)
12881 {
12882 OPJ_UINT32 i, j, k = 0;
12883
12884 for (i = 0; i < p_tcd->image->numcomps; ++i) {
12885 opj_image_t * l_image = p_tcd->image;
12886 OPJ_INT32 * l_src_ptr;
12887 opj_tcd_tilecomp_t * l_tilec = p_tcd->tcd_image->tiles->comps + i;
12888 opj_image_comp_t * l_img_comp = l_image->comps + i;
12889 OPJ_UINT32 l_size_comp, l_width, l_height, l_offset_x, l_offset_y,
12890 l_image_width, l_stride, l_tile_offset;
12891
12892 opj_get_tile_dimensions(l_image,
12893 l_tilec,
12894 l_img_comp,
12895 &l_size_comp,
12896 &l_width,
12897 &l_height,
12898 &l_offset_x,
12899 &l_offset_y,
12900 &l_image_width,
12901 &l_stride,
12902 &l_tile_offset);
12903
12904 l_src_ptr = l_img_comp->data + l_tile_offset;
12905
12906 switch (l_size_comp) {
12907 case 1: {
12908 OPJ_CHAR * l_dest_ptr = (OPJ_CHAR*) p_data;
12909 if (l_img_comp->sgnd) {
12910 for (j = 0; j < l_height; ++j) {
12911 for (k = 0; k < l_width; ++k) {
12912 *(l_dest_ptr) = (OPJ_CHAR)(*l_src_ptr);
12913 ++l_dest_ptr;
12914 ++l_src_ptr;
12915 }
12916 l_src_ptr += l_stride;
12917 }
12918 } else {
12919 for (j = 0; j < l_height; ++j) {
12920 for (k = 0; k < l_width; ++k) {
12921 *(l_dest_ptr) = (OPJ_CHAR)((*l_src_ptr) & 0xff);
12922 ++l_dest_ptr;
12923 ++l_src_ptr;
12924 }
12925 l_src_ptr += l_stride;
12926 }
12927 }
12928
12929 p_data = (OPJ_BYTE*) l_dest_ptr;
12930 }
12931 break;
12932 case 2: {
12933 OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_data;
12934 if (l_img_comp->sgnd) {
12935 for (j = 0; j < l_height; ++j) {
12936 for (k = 0; k < l_width; ++k) {
12937 *(l_dest_ptr++) = (OPJ_INT16)(*(l_src_ptr++));
12938 }
12939 l_src_ptr += l_stride;
12940 }
12941 } else {
12942 for (j = 0; j < l_height; ++j) {
12943 for (k = 0; k < l_width; ++k) {
12944 *(l_dest_ptr++) = (OPJ_INT16)((*(l_src_ptr++)) & 0xffff);
12945 }
12946 l_src_ptr += l_stride;
12947 }
12948 }
12949
12950 p_data = (OPJ_BYTE*) l_dest_ptr;
12951 }
12952 break;
12953 case 4: {
12954 OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_data;
12955 for (j = 0; j < l_height; ++j) {
12956 for (k = 0; k < l_width; ++k) {
12957 *(l_dest_ptr++) = *(l_src_ptr++);
12958 }
12959 l_src_ptr += l_stride;
12960 }
12961
12962 p_data = (OPJ_BYTE*) l_dest_ptr;
12963 }
12964 break;
12965 }
12966 }
12967 }
12968
12969 static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
12970 opj_stream_private_t *p_stream,
12971 opj_event_mgr_t * p_manager)
12972 {
12973 OPJ_UINT32 l_nb_bytes_written;
12974 OPJ_BYTE * l_current_data = 00;
12975 OPJ_UINT32 l_tile_size = 0;
12976 OPJ_UINT32 l_available_data;
12977
12978 /* preconditions */
12979 assert(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
12980
12981 l_tile_size = p_j2k->m_specific_param.m_encoder.m_encoded_tile_size;
12982 l_available_data = l_tile_size;
12983 l_current_data = p_j2k->m_specific_param.m_encoder.m_encoded_tile_data;
12984
12985 l_nb_bytes_written = 0;
12986 if (! opj_j2k_write_first_tile_part(p_j2k, l_current_data, &l_nb_bytes_written,
12987 l_available_data, p_stream, p_manager)) {
12988 return OPJ_FALSE;
12989 }
12990 l_current_data += l_nb_bytes_written;
12991 l_available_data -= l_nb_bytes_written;
12992
12993 l_nb_bytes_written = 0;
12994 if (! opj_j2k_write_all_tile_parts(p_j2k, l_current_data, &l_nb_bytes_written,
12995 l_available_data, p_stream, p_manager)) {
12996 return OPJ_FALSE;
12997 }
12998
12999 l_available_data -= l_nb_bytes_written;
13000 l_nb_bytes_written = l_tile_size - l_available_data;
13001
13002 if (opj_stream_write_data(p_stream,
13003 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data,
13004 l_nb_bytes_written, p_manager) != l_nb_bytes_written) {
13005 return OPJ_FALSE;
13006 }
13007
13008 ++p_j2k->m_current_tile_number;
13009
13010 return OPJ_TRUE;
13011 }
13012
13013 static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
13014 opj_event_mgr_t * p_manager)
13015 {
13016 /* preconditions */
13017 assert(p_j2k != 00);
13018 assert(p_manager != 00);
13019
13020 /* DEVELOPER CORNER, insert your custom procedures */
13021 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13022 (opj_procedure)opj_j2k_write_eoc, p_manager)) {
13023 return OPJ_FALSE;
13024 }
13025
13026 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
13027 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13028 (opj_procedure)opj_j2k_write_updated_tlm, p_manager)) {
13029 return OPJ_FALSE;
13030 }
13031 }
13032
13033 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13034 (opj_procedure)opj_j2k_write_epc, p_manager)) {
13035 return OPJ_FALSE;
13036 }
13037 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13038 (opj_procedure)opj_j2k_end_encoding, p_manager)) {
13039 return OPJ_FALSE;
13040 }
13041 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13042 (opj_procedure)opj_j2k_destroy_header_memory, p_manager)) {
13043 return OPJ_FALSE;
13044 }
13045 return OPJ_TRUE;
13046 }
13047
13048 static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
13049 opj_event_mgr_t * p_manager)
13050 {
13051 /* preconditions */
13052 assert(p_j2k != 00);
13053 assert(p_manager != 00);
13054
13055 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
13056 (opj_procedure)opj_j2k_build_encoder, p_manager)) {
13057 return OPJ_FALSE;
13058 }
13059 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
13060 (opj_procedure)opj_j2k_encoding_validation, p_manager)) {
13061 return OPJ_FALSE;
13062 }
13063
13064 /* DEVELOPER CORNER, add your custom validation procedure */
13065 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
13066 (opj_procedure)opj_j2k_mct_validation, p_manager)) {
13067 return OPJ_FALSE;
13068 }
13069
13070 return OPJ_TRUE;
13071 }
13072
13073 static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
13074 opj_event_mgr_t * p_manager)
13075 {
13076 /* preconditions */
13077 assert(p_j2k != 00);
13078 assert(p_manager != 00);
13079
13080 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13081 (opj_procedure)opj_j2k_init_info, p_manager)) {
13082 return OPJ_FALSE;
13083 }
13084 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13085 (opj_procedure)opj_j2k_write_soc, p_manager)) {
13086 return OPJ_FALSE;
13087 }
13088 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13089 (opj_procedure)opj_j2k_write_siz, p_manager)) {
13090 return OPJ_FALSE;
13091 }
13092 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13093 (opj_procedure)opj_j2k_write_cod, p_manager)) {
13094 return OPJ_FALSE;
13095 }
13096 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13097 (opj_procedure)opj_j2k_write_qcd, p_manager)) {
13098 return OPJ_FALSE;
13099 }
13100 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13101 (opj_procedure)opj_j2k_write_all_coc, p_manager)) {
13102 return OPJ_FALSE;
13103 }
13104 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13105 (opj_procedure)opj_j2k_write_all_qcc, p_manager)) {
13106 return OPJ_FALSE;
13107 }
13108
13109 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
13110 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13111 (opj_procedure)opj_j2k_write_tlm, p_manager)) {
13112 return OPJ_FALSE;
13113 }
13114
13115 if (p_j2k->m_cp.rsiz == OPJ_PROFILE_CINEMA_4K) {
13116 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13117 (opj_procedure)opj_j2k_write_poc, p_manager)) {
13118 return OPJ_FALSE;
13119 }
13120 }
13121 }
13122
13123 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13124 (opj_procedure)opj_j2k_write_regions, p_manager)) {
13125 return OPJ_FALSE;
13126 }
13127
13128 if (p_j2k->m_cp.comment != 00) {
13129 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13130 (opj_procedure)opj_j2k_write_com, p_manager)) {
13131 return OPJ_FALSE;
13132 }
13133 }
13134
13135 /* DEVELOPER CORNER, insert your custom procedures */
13136 if ((p_j2k->m_cp.rsiz & (OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT)) ==
13137 (OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT)) {
13138 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13139 (opj_procedure)opj_j2k_write_mct_data_group, p_manager)) {
13140 return OPJ_FALSE;
13141 }
13142 }
13143 /* End of Developer Corner */
13144
13145 if (p_j2k->cstr_index) {
13146 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13147 (opj_procedure)opj_j2k_get_end_header, p_manager)) {
13148 return OPJ_FALSE;
13149 }
13150 }
13151
13152 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13153 (opj_procedure)opj_j2k_create_tcd, p_manager)) {
13154 return OPJ_FALSE;
13155 }
13156 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
13157 (opj_procedure)opj_j2k_update_rates, p_manager)) {
13158 return OPJ_FALSE;
13159 }
13160
13161 return OPJ_TRUE;
13162 }
13163
13164 static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
13165 OPJ_BYTE * p_data,
13166 OPJ_UINT32 * p_data_written,
13167 OPJ_UINT32 total_data_size,
13168 opj_stream_private_t *p_stream,
13169 struct opj_event_mgr * p_manager)
13170 {
13171 OPJ_UINT32 l_nb_bytes_written = 0;
13172 OPJ_UINT32 l_current_nb_bytes_written;
13173 OPJ_BYTE * l_begin_data = 00;
13174
13175 opj_tcd_t * l_tcd = 00;
13176 opj_cp_t * l_cp = 00;
13177
13178 l_tcd = p_j2k->m_tcd;
13179 l_cp = &(p_j2k->m_cp);
13180
13181 l_tcd->cur_pino = 0;
13182
13183 /*Get number of tile parts*/
13184 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
13185
13186 /* INDEX >> */
13187 /* << INDEX */
13188
13189 l_current_nb_bytes_written = 0;
13190 l_begin_data = p_data;
13191 if (! opj_j2k_write_sot(p_j2k, p_data, total_data_size,
13192 &l_current_nb_bytes_written, p_stream,
13193 p_manager)) {
13194 return OPJ_FALSE;
13195 }
13196
13197 l_nb_bytes_written += l_current_nb_bytes_written;
13198 p_data += l_current_nb_bytes_written;
13199 total_data_size -= l_current_nb_bytes_written;
13200
13201 if (!OPJ_IS_CINEMA(l_cp->rsiz)) {
13202 #if 0
13203 for (compno = 1; compno < p_j2k->m_private_image->numcomps; compno++) {
13204 l_current_nb_bytes_written = 0;
13205 opj_j2k_write_coc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
13206 p_manager);
13207 l_nb_bytes_written += l_current_nb_bytes_written;
13208 p_data += l_current_nb_bytes_written;
13209 total_data_size -= l_current_nb_bytes_written;
13210
13211 l_current_nb_bytes_written = 0;
13212 opj_j2k_write_qcc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
13213 p_manager);
13214 l_nb_bytes_written += l_current_nb_bytes_written;
13215 p_data += l_current_nb_bytes_written;
13216 total_data_size -= l_current_nb_bytes_written;
13217 }
13218 #endif
13219 if (l_cp->tcps[p_j2k->m_current_tile_number].POC) {
13220 l_current_nb_bytes_written = 0;
13221 opj_j2k_write_poc_in_memory(p_j2k, p_data, &l_current_nb_bytes_written,
13222 p_manager);
13223 l_nb_bytes_written += l_current_nb_bytes_written;
13224 p_data += l_current_nb_bytes_written;
13225 total_data_size -= l_current_nb_bytes_written;
13226 }
13227 }
13228
13229 l_current_nb_bytes_written = 0;
13230 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
13231 total_data_size, p_stream, p_manager)) {
13232 return OPJ_FALSE;
13233 }
13234
13235 l_nb_bytes_written += l_current_nb_bytes_written;
13236 * p_data_written = l_nb_bytes_written;
13237
13238 /* Writing Psot in SOT marker */
13239 opj_write_bytes(l_begin_data + 6, l_nb_bytes_written,
13240 4); /* PSOT */
13241
13242 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
13243 opj_j2k_update_tlm(p_j2k, l_nb_bytes_written);
13244 }
13245
13246 return OPJ_TRUE;
13247 }
13248
13249 static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
13250 OPJ_BYTE * p_data,
13251 OPJ_UINT32 * p_data_written,
13252 OPJ_UINT32 total_data_size,
13253 opj_stream_private_t *p_stream,
13254 struct opj_event_mgr * p_manager
13255 )
13256 {
13257 OPJ_UINT32 tilepartno = 0;
13258 OPJ_UINT32 l_nb_bytes_written = 0;
13259 OPJ_UINT32 l_current_nb_bytes_written;
13260 OPJ_UINT32 l_part_tile_size;
13261 OPJ_UINT32 tot_num_tp;
13262 OPJ_UINT32 pino;
13263
13264 OPJ_BYTE * l_begin_data;
13265 opj_tcp_t *l_tcp = 00;
13266 opj_tcd_t * l_tcd = 00;
13267 opj_cp_t * l_cp = 00;
13268
13269 l_tcd = p_j2k->m_tcd;
13270 l_cp = &(p_j2k->m_cp);
13271 l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
13272
13273 /*Get number of tile parts*/
13274 tot_num_tp = opj_j2k_get_num_tp(l_cp, 0, p_j2k->m_current_tile_number);
13275
13276 /* start writing remaining tile parts */
13277 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
13278 for (tilepartno = 1; tilepartno < tot_num_tp ; ++tilepartno) {
13279 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
13280 l_current_nb_bytes_written = 0;
13281 l_part_tile_size = 0;
13282 l_begin_data = p_data;
13283
13284 if (! opj_j2k_write_sot(p_j2k, p_data,
13285 total_data_size,
13286 &l_current_nb_bytes_written,
13287 p_stream,
13288 p_manager)) {
13289 return OPJ_FALSE;
13290 }
13291
13292 l_nb_bytes_written += l_current_nb_bytes_written;
13293 p_data += l_current_nb_bytes_written;
13294 total_data_size -= l_current_nb_bytes_written;
13295 l_part_tile_size += l_current_nb_bytes_written;
13296
13297 l_current_nb_bytes_written = 0;
13298 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
13299 total_data_size, p_stream, p_manager)) {
13300 return OPJ_FALSE;
13301 }
13302
13303 p_data += l_current_nb_bytes_written;
13304 l_nb_bytes_written += l_current_nb_bytes_written;
13305 total_data_size -= l_current_nb_bytes_written;
13306 l_part_tile_size += l_current_nb_bytes_written;
13307
13308 /* Writing Psot in SOT marker */
13309 opj_write_bytes(l_begin_data + 6, l_part_tile_size,
13310 4); /* PSOT */
13311
13312 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
13313 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
13314 }
13315
13316 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
13317 }
13318
13319 for (pino = 1; pino <= l_tcp->numpocs; ++pino) {
13320 l_tcd->cur_pino = pino;
13321
13322 /*Get number of tile parts*/
13323 tot_num_tp = opj_j2k_get_num_tp(l_cp, pino, p_j2k->m_current_tile_number);
13324 for (tilepartno = 0; tilepartno < tot_num_tp ; ++tilepartno) {
13325 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
13326 l_current_nb_bytes_written = 0;
13327 l_part_tile_size = 0;
13328 l_begin_data = p_data;
13329
13330 if (! opj_j2k_write_sot(p_j2k, p_data,
13331 total_data_size,
13332 &l_current_nb_bytes_written, p_stream,
13333 p_manager)) {
13334 return OPJ_FALSE;
13335 }
13336
13337 l_nb_bytes_written += l_current_nb_bytes_written;
13338 p_data += l_current_nb_bytes_written;
13339 total_data_size -= l_current_nb_bytes_written;
13340 l_part_tile_size += l_current_nb_bytes_written;
13341
13342 l_current_nb_bytes_written = 0;
13343
13344 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
13345 total_data_size, p_stream, p_manager)) {
13346 return OPJ_FALSE;
13347 }
13348
13349 l_nb_bytes_written += l_current_nb_bytes_written;
13350 p_data += l_current_nb_bytes_written;
13351 total_data_size -= l_current_nb_bytes_written;
13352 l_part_tile_size += l_current_nb_bytes_written;
13353
13354 /* Writing Psot in SOT marker */
13355 opj_write_bytes(l_begin_data + 6, l_part_tile_size,
13356 4); /* PSOT */
13357
13358 if (p_j2k->m_specific_param.m_encoder.m_TLM) {
13359 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
13360 }
13361
13362 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
13363 }
13364 }
13365
13366 *p_data_written = l_nb_bytes_written;
13367
13368 return OPJ_TRUE;
13369 }
13370
13371 static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
13372 struct opj_stream_private *p_stream,
13373 struct opj_event_mgr * p_manager)
13374 {
13375 OPJ_UINT32 l_tlm_size;
13376 OPJ_OFF_T l_tlm_position, l_current_position;
13377 OPJ_UINT32 size_per_tile_part;
13378
13379 /* preconditions */
13380 assert(p_j2k != 00);
13381 assert(p_manager != 00);
13382 assert(p_stream != 00);
13383
13384 size_per_tile_part = p_j2k->m_specific_param.m_encoder.m_Ttlmi_is_byte ? 5 : 6;
13385 l_tlm_size = size_per_tile_part *
13386 p_j2k->m_specific_param.m_encoder.m_total_tile_parts;
13387 l_tlm_position = 6 + p_j2k->m_specific_param.m_encoder.m_tlm_start;
13388 l_current_position = opj_stream_tell(p_stream);
13389
13390 if (! opj_stream_seek(p_stream, l_tlm_position, p_manager)) {
13391 return OPJ_FALSE;
13392 }
13393
13394 if (opj_stream_write_data(p_stream,
13395 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer, l_tlm_size,
13396 p_manager) != l_tlm_size) {
13397 return OPJ_FALSE;
13398 }
13399
13400 if (! opj_stream_seek(p_stream, l_current_position, p_manager)) {
13401 return OPJ_FALSE;
13402 }
13403
13404 return OPJ_TRUE;
13405 }
13406
13407 static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
13408 struct opj_stream_private *p_stream,
13409 struct opj_event_mgr * p_manager)
13410 {
13411 /* preconditions */
13412 assert(p_j2k != 00);
13413 assert(p_manager != 00);
13414 assert(p_stream != 00);
13415
13416 OPJ_UNUSED(p_stream);
13417 OPJ_UNUSED(p_manager);
13418
13419 opj_tcd_destroy(p_j2k->m_tcd);
13420 p_j2k->m_tcd = 00;
13421
13422 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
13423 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
13424 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 0;
13425 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 0;
13426 }
13427
13428 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
13429 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
13430 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 0;
13431 }
13432
13433 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = 0;
13434
13435 return OPJ_TRUE;
13436 }
13437
13438 /**
13439 * Destroys the memory associated with the decoding of headers.
13440 */
13441 static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
13442 opj_stream_private_t *p_stream,
13443 opj_event_mgr_t * p_manager
13444 )
13445 {
13446 /* preconditions */
13447 assert(p_j2k != 00);
13448 assert(p_stream != 00);
13449 assert(p_manager != 00);
13450
13451 OPJ_UNUSED(p_stream);
13452 OPJ_UNUSED(p_manager);
13453
13454 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
13455 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
13456 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 0;
13457 }
13458
13459 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
13460
13461 return OPJ_TRUE;
13462 }
13463
13464 static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
13465 struct opj_stream_private *p_stream,
13466 struct opj_event_mgr * p_manager)
13467 {
13468 opj_codestream_info_t * l_cstr_info = 00;
13469
13470 /* preconditions */
13471 assert(p_j2k != 00);
13472 assert(p_manager != 00);
13473 assert(p_stream != 00);
13474 (void)l_cstr_info;
13475
13476 OPJ_UNUSED(p_stream);
13477
13478 /* TODO mergeV2: check this part which use cstr_info */
13479 /*l_cstr_info = p_j2k->cstr_info;
13480
13481 if (l_cstr_info) {
13482 OPJ_UINT32 compno;
13483 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));
13484
13485 l_cstr_info->image_w = p_j2k->m_image->x1 - p_j2k->m_image->x0;
13486 l_cstr_info->image_h = p_j2k->m_image->y1 - p_j2k->m_image->y0;
13487
13488 l_cstr_info->prog = (&p_j2k->m_cp.tcps[0])->prg;
13489
13490 l_cstr_info->tw = p_j2k->m_cp.tw;
13491 l_cstr_info->th = p_j2k->m_cp.th;
13492
13493 l_cstr_info->tile_x = p_j2k->m_cp.tdx;*/ /* new version parser */
13494 /*l_cstr_info->tile_y = p_j2k->m_cp.tdy;*/ /* new version parser */
13495 /*l_cstr_info->tile_Ox = p_j2k->m_cp.tx0;*/ /* new version parser */
13496 /*l_cstr_info->tile_Oy = p_j2k->m_cp.ty0;*/ /* new version parser */
13497
13498 /*l_cstr_info->numcomps = p_j2k->m_image->numcomps;
13499
13500 l_cstr_info->numlayers = (&p_j2k->m_cp.tcps[0])->numlayers;
13501
13502 l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(p_j2k->m_image->numcomps * sizeof(OPJ_INT32));
13503
13504 for (compno=0; compno < p_j2k->m_image->numcomps; compno++) {
13505 l_cstr_info->numdecompos[compno] = (&p_j2k->m_cp.tcps[0])->tccps->numresolutions - 1;
13506 }
13507
13508 l_cstr_info->D_max = 0.0; */ /* ADD Marcela */
13509
13510 /*l_cstr_info->main_head_start = opj_stream_tell(p_stream);*/ /* position of SOC */
13511
13512 /*l_cstr_info->maxmarknum = 100;
13513 l_cstr_info->marker = (opj_marker_info_t *) opj_malloc(l_cstr_info->maxmarknum * sizeof(opj_marker_info_t));
13514 l_cstr_info->marknum = 0;
13515 }*/
13516
13517 return opj_j2k_calculate_tp(p_j2k, &(p_j2k->m_cp),
13518 &p_j2k->m_specific_param.m_encoder.m_total_tile_parts, p_j2k->m_private_image,
13519 p_manager);
13520 }
13521
13522 /**
13523 * Creates a tile-coder encoder.
13524 *
13525 * @param p_stream the stream to write data to.
13526 * @param p_j2k J2K codec.
13527 * @param p_manager the user event manager.
13528 */
13529 static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
13530 opj_stream_private_t *p_stream,
13531 opj_event_mgr_t * p_manager
13532 )
13533 {
13534 /* preconditions */
13535 assert(p_j2k != 00);
13536 assert(p_manager != 00);
13537 assert(p_stream != 00);
13538
13539 OPJ_UNUSED(p_stream);
13540
13541 p_j2k->m_tcd = opj_tcd_create(OPJ_FALSE);
13542
13543 if (! p_j2k->m_tcd) {
13544 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to create Tile Coder\n");
13545 return OPJ_FALSE;
13546 }
13547
13548 if (!opj_tcd_init(p_j2k->m_tcd, p_j2k->m_private_image, &p_j2k->m_cp,
13549 p_j2k->m_tp)) {
13550 opj_tcd_destroy(p_j2k->m_tcd);
13551 p_j2k->m_tcd = 00;
13552 return OPJ_FALSE;
13553 }
13554
13555 return OPJ_TRUE;
13556 }
13557
13558 OPJ_BOOL opj_j2k_write_tile(opj_j2k_t * p_j2k,
13559 OPJ_UINT32 p_tile_index,
13560 OPJ_BYTE * p_data,
13561 OPJ_UINT32 p_data_size,
13562 opj_stream_private_t *p_stream,
13563 opj_event_mgr_t * p_manager)
13564 {
13565 if (! opj_j2k_pre_write_tile(p_j2k, p_tile_index, p_stream, p_manager)) {
13566 opj_event_msg(p_manager, EVT_ERROR,
13567 "Error while opj_j2k_pre_write_tile with tile index = %d\n", p_tile_index);
13568 return OPJ_FALSE;
13569 } else {
13570 OPJ_UINT32 j;
13571 /* Allocate data */
13572 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
13573 opj_tcd_tilecomp_t* l_tilec = p_j2k->m_tcd->tcd_image->tiles->comps + j;
13574
13575 if (! opj_alloc_tile_component_data(l_tilec)) {
13576 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
13577 return OPJ_FALSE;
13578 }
13579 }
13580
13581 /* now copy data into the tile component */
13582 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
13583 opj_event_msg(p_manager, EVT_ERROR,
13584 "Size mismatch between tile data and sent data.");
13585 return OPJ_FALSE;
13586 }
13587 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
13588 opj_event_msg(p_manager, EVT_ERROR,
13589 "Error while opj_j2k_post_write_tile with tile index = %d\n", p_tile_index);
13590 return OPJ_FALSE;
13591 }
13592 }
13593
13594 return OPJ_TRUE;
13595 }