1/*
2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
6 *
7 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8 * Copyright (c) 2002-2014, Professor Benoit Macq
9 * Copyright (c) 2001-2003, David Janssens
10 * Copyright (c) 2002-2003, Yannick Verschueren
11 * Copyright (c) 2003-2007, Francois-Olivier Devaux
12 * Copyright (c) 2003-2014, Antonin Descampe
13 * Copyright (c) 2005, Herve Drolon, FreeImage Team
14 * Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
15 * Copyright (c) 2006-2007, Parvatha Elangovan
16 * Copyright (c) 2010-2011, Kaori Hagihara
17 * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
18 * Copyright (c) 2012, CS Systemes d'Information, France
19 * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
20 * All rights reserved.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the above copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
32 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
33 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
34 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
35 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
36 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
37 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
38 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
39 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGE.
42 */
43
44#include "opj_includes.h"
45
46/** @defgroup J2K J2K - JPEG-2000 codestream reader/writer */
47/*@{*/
48
49/** @name Local static functions */
50/*@{*/
51
52/**
53 * Sets up the procedures to do on reading header. Developpers wanting to extend the library can add their own reading procedures.
54 */
55static 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 */
61static 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 */
74static 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 */
87static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t * p_j2k,
88 opj_stream_private_t *p_stream,
89 opj_event_mgr_t * p_manager);
90
91/**
92 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
93 * are valid. Developpers wanting to extend the library can add their own validation procedures.
94 */
95static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
96 opj_event_mgr_t * p_manager);
97
98/**
99 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
100 * are valid. Developpers wanting to extend the library can add their own validation procedures.
101 */
102static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
103 opj_event_mgr_t * p_manager);
104
105/**
106 * Sets up the validation ,i.e. adds the procedures to lauch to make sure the codec parameters
107 * are valid. Developpers wanting to extend the library can add their own validation procedures.
108 */
109static 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 */
121static 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 */
128static 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 */
134static 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*/
145static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
146 opj_stream_private_t *p_stream,
147 opj_event_mgr_t * p_manager);
148
149/**
150 * Excutes the given procedures on the given codec.
151 *
152 * @param p_procedure_list the list of procedures to execute
153 * @param p_j2k the jpeg2000 codec to execute the procedures on.
154 * @param p_stream the stream to execute the procedures on.
155 * @param p_manager the user manager.
156 *
157 * @return true if all the procedures were successfully executed.
158 */
159static 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*/
171static 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 */
179static 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 */
186static 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*/
197static 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 */
205static 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 */
212static 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 */
219static 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 */
231static 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*/
246static 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 */
262static 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*/
274static 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 */
289static 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 */
303static 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*/
318static 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 */
328static 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*/
340static 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 */
351static 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 */
358static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k);
359
360/**
361 * Reads the tiles.
362 */
363static 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
367static 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
372static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
373 opj_image_t* p_output_image);
374
375static 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
387static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data);
388
389static 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 */
397static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
398 opj_event_mgr_t * p_manager);
399
400static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
401 OPJ_BYTE * p_data,
402 OPJ_UINT32 * p_data_written,
403 OPJ_UINT32 p_total_data_size,
404 opj_stream_private_t *p_stream,
405 struct opj_event_mgr * p_manager);
406
407static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
408 OPJ_BYTE * p_data,
409 OPJ_UINT32 * p_data_written,
410 OPJ_UINT32 p_total_data_size,
411 opj_stream_private_t *p_stream,
412 struct opj_event_mgr * p_manager);
413
414/**
415 * Gets the offset of the header.
416 *
417 * @param p_stream the stream to write data to.
418 * @param p_j2k J2K codec.
419 * @param p_manager the user event manager.
420*/
421static 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
425static 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*/
440static 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*/
450static 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*/
461static 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*/
472static 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*/
484static 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*/
495static 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*/
506static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
507 opj_stream_private_t *p_stream,
508 opj_event_mgr_t * p_manager);
509
510/**
511 * Reads a COD marker (Coding Styke defaults)
512 * @param p_header_data the data contained in the COD box.
513 * @param p_j2k the jpeg2000 codec.
514 * @param p_header_size the size of the data contained in the COD marker.
515 * @param p_manager the user event manager.
516*/
517static 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 */
531static 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*/
542static 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*/
556static 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 */
567static 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*/
576static 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*/
588static 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*/
599static 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 */
613static 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*/
624static 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*/
638static 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 */
647static 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*/
656static 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*/
667static 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 */
678static 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 */
685static 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*/
695static 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 */
703static 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 */
710static 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*/
720static 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*/
732static 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*/
744static 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*/
756static 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*/
768static 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
782static 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 */
794static 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*/
804static 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 */
815static 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*/
826static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
827 opj_stream_private_t *p_stream,
828 opj_event_mgr_t * p_manager);
829
830/**
831 * Writes the SOT marker (Start of tile-part)
832 *
833 * @param p_j2k J2K codec.
834 * @param p_data Output buffer
835 * @param p_total_data_size Output buffer size
836 * @param p_data_written Number of bytes written into stream
837 * @param p_stream the stream to write data to.
838 * @param p_manager the user event manager.
839*/
840static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
841 OPJ_BYTE * p_data,
842 OPJ_UINT32 p_total_data_size,
843 OPJ_UINT32 * p_data_written,
844 const opj_stream_private_t *p_stream,
845 opj_event_mgr_t * p_manager);
846
847/**
848 * Reads values from a SOT marker (Start of tile-part)
849 *
850 * the j2k decoder state is not affected. No side effects, no checks except for p_header_size.
851 *
852 * @param p_header_data the data contained in the SOT marker.
853 * @param p_header_size the size of the data contained in the SOT marker.
854 * @param p_tile_no Isot.
855 * @param p_tot_len Psot.
856 * @param p_current_part TPsot.
857 * @param p_num_parts TNsot.
858 * @param p_manager the user event manager.
859 */
860static 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*/
875static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
876 OPJ_BYTE * p_header_data,
877 OPJ_UINT32 p_header_size,
878 opj_event_mgr_t * p_manager);
879/**
880 * Writes the SOD marker (Start of data)
881 *
882 * @param p_j2k J2K codec.
883 * @param p_tile_coder FIXME DOC
884 * @param p_data FIXME DOC
885 * @param p_data_written FIXME DOC
886 * @param p_total_data_size FIXME DOC
887 * @param p_stream the stream to write data to.
888 * @param p_manager the user event manager.
889*/
890static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
891 opj_tcd_t * p_tile_coder,
892 OPJ_BYTE * p_data,
893 OPJ_UINT32 * p_data_written,
894 OPJ_UINT32 p_total_data_size,
895 const opj_stream_private_t *p_stream,
896 opj_event_mgr_t * p_manager);
897
898/**
899 * Reads a SOD marker (Start Of Data)
900 *
901 * @param p_j2k the jpeg2000 codec.
902 * @param p_stream FIXME DOC
903 * @param p_manager the user event manager.
904*/
905static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
906 opj_stream_private_t *p_stream,
907 opj_event_mgr_t * p_manager);
908
909static void opj_j2k_update_tlm(opj_j2k_t * p_j2k, OPJ_UINT32 p_tile_part_size)
910{
911 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
912 p_j2k->m_current_tile_number, 1); /* PSOT */
913 ++p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current;
914
915 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current,
916 p_tile_part_size, 4); /* PSOT */
917 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current += 4;
918}
919
920/**
921 * Writes the RGN marker (Region Of Interest)
922 *
923 * @param p_tile_no the tile to output
924 * @param p_comp_no the component to output
925 * @param nb_comps the number of components
926 * @param p_stream the stream to write data to.
927 * @param p_j2k J2K codec.
928 * @param p_manager the user event manager.
929*/
930static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
931 OPJ_UINT32 p_tile_no,
932 OPJ_UINT32 p_comp_no,
933 OPJ_UINT32 nb_comps,
934 opj_stream_private_t *p_stream,
935 opj_event_mgr_t * p_manager);
936
937/**
938 * Reads a RGN marker (Region Of Interest)
939 *
940 * @param p_header_data the data contained in the POC box.
941 * @param p_j2k the jpeg2000 codec.
942 * @param p_header_size the size of the data contained in the POC marker.
943 * @param p_manager the user event manager.
944*/
945static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
946 OPJ_BYTE * p_header_data,
947 OPJ_UINT32 p_header_size,
948 opj_event_mgr_t * p_manager);
949
950/**
951 * Writes the EOC marker (End of Codestream)
952 *
953 * @param p_stream the stream to write data to.
954 * @param p_j2k J2K codec.
955 * @param p_manager the user event manager.
956*/
957static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
958 opj_stream_private_t *p_stream,
959 opj_event_mgr_t * p_manager);
960
961#if 0
962/**
963 * Reads a EOC marker (End Of Codestream)
964 *
965 * @param p_j2k the jpeg2000 codec.
966 * @param p_stream FIXME DOC
967 * @param p_manager the user event manager.
968*/
969static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
970 opj_stream_private_t *p_stream,
971 opj_event_mgr_t * p_manager);
972#endif
973
974/**
975 * Writes the CBD-MCT-MCC-MCO markers (Multi components transform)
976 *
977 * @param p_stream the stream to write data to.
978 * @param p_j2k J2K codec.
979 * @param p_manager the user event manager.
980*/
981static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
982 opj_stream_private_t *p_stream,
983 opj_event_mgr_t * p_manager);
984
985/**
986 * Inits the Info
987 *
988 * @param p_stream the stream to write data to.
989 * @param p_j2k J2K codec.
990 * @param p_manager the user event manager.
991*/
992static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
993 opj_stream_private_t *p_stream,
994 opj_event_mgr_t * p_manager);
995
996/**
997Add main header marker information
998@param cstr_index Codestream information structure
999@param type marker type
1000@param pos byte offset of marker segment
1001@param len length of marker segment
1002 */
1003static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
1004 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len) ;
1005/**
1006Add tile header marker information
1007@param tileno tile index number
1008@param cstr_index Codestream information structure
1009@param type marker type
1010@param pos byte offset of marker segment
1011@param len length of marker segment
1012 */
1013static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
1014 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
1015 OPJ_UINT32 len);
1016
1017/**
1018 * Reads an unknown marker
1019 *
1020 * @param p_j2k the jpeg2000 codec.
1021 * @param p_stream the stream object to read from.
1022 * @param output_marker FIXME DOC
1023 * @param p_manager the user event manager.
1024 *
1025 * @return true if the marker could be deduced.
1026*/
1027static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
1028 opj_stream_private_t *p_stream,
1029 OPJ_UINT32 *output_marker,
1030 opj_event_mgr_t * p_manager);
1031
1032/**
1033 * Writes the MCT marker (Multiple Component Transform)
1034 *
1035 * @param p_j2k J2K codec.
1036 * @param p_mct_record FIXME DOC
1037 * @param p_stream the stream to write data to.
1038 * @param p_manager the user event manager.
1039*/
1040static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
1041 opj_mct_data_t * p_mct_record,
1042 opj_stream_private_t *p_stream,
1043 opj_event_mgr_t * p_manager);
1044
1045/**
1046 * Reads a MCT marker (Multiple Component Transform)
1047 *
1048 * @param p_header_data the data contained in the MCT box.
1049 * @param p_j2k the jpeg2000 codec.
1050 * @param p_header_size the size of the data contained in the MCT marker.
1051 * @param p_manager the user event manager.
1052*/
1053static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
1054 OPJ_BYTE * p_header_data,
1055 OPJ_UINT32 p_header_size,
1056 opj_event_mgr_t * p_manager);
1057
1058/**
1059 * Writes the MCC marker (Multiple Component Collection)
1060 *
1061 * @param p_j2k J2K codec.
1062 * @param p_mcc_record FIXME DOC
1063 * @param p_stream the stream to write data to.
1064 * @param p_manager the user event manager.
1065*/
1066static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
1067 opj_simple_mcc_decorrelation_data_t * p_mcc_record,
1068 opj_stream_private_t *p_stream,
1069 opj_event_mgr_t * p_manager);
1070
1071/**
1072 * Reads a MCC marker (Multiple Component Collection)
1073 *
1074 * @param p_header_data the data contained in the MCC box.
1075 * @param p_j2k the jpeg2000 codec.
1076 * @param p_header_size the size of the data contained in the MCC marker.
1077 * @param p_manager the user event manager.
1078*/
1079static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
1080 OPJ_BYTE * p_header_data,
1081 OPJ_UINT32 p_header_size,
1082 opj_event_mgr_t * p_manager);
1083
1084/**
1085 * Writes the MCO marker (Multiple component transformation ordering)
1086 *
1087 * @param p_stream the stream to write data to.
1088 * @param p_j2k J2K codec.
1089 * @param p_manager the user event manager.
1090*/
1091static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
1092 opj_stream_private_t *p_stream,
1093 opj_event_mgr_t * p_manager);
1094
1095/**
1096 * Reads a MCO marker (Multiple Component Transform Ordering)
1097 *
1098 * @param p_header_data the data contained in the MCO box.
1099 * @param p_j2k the jpeg2000 codec.
1100 * @param p_header_size the size of the data contained in the MCO marker.
1101 * @param p_manager the user event manager.
1102*/
1103static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
1104 OPJ_BYTE * p_header_data,
1105 OPJ_UINT32 p_header_size,
1106 opj_event_mgr_t * p_manager);
1107
1108static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
1109 OPJ_UINT32 p_index);
1110
1111static void opj_j2k_read_int16_to_float(const void * p_src_data,
1112 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1113static void opj_j2k_read_int32_to_float(const void * p_src_data,
1114 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1115static void opj_j2k_read_float32_to_float(const void * p_src_data,
1116 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1117static void opj_j2k_read_float64_to_float(const void * p_src_data,
1118 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1119
1120static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1121 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1122static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1123 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1124static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1125 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1126static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1127 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1128
1129static void opj_j2k_write_float_to_int16(const void * p_src_data,
1130 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1131static void opj_j2k_write_float_to_int32(const void * p_src_data,
1132 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1133static void opj_j2k_write_float_to_float(const void * p_src_data,
1134 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1135static void opj_j2k_write_float_to_float64(const void * p_src_data,
1136 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1137
1138/**
1139 * Ends the encoding, i.e. frees memory.
1140 *
1141 * @param p_stream the stream to write data to.
1142 * @param p_j2k J2K codec.
1143 * @param p_manager the user event manager.
1144*/
1145static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
1146 opj_stream_private_t *p_stream,
1147 opj_event_mgr_t * p_manager);
1148
1149/**
1150 * Writes the CBD marker (Component bit depth definition)
1151 *
1152 * @param p_stream the stream to write data to.
1153 * @param p_j2k J2K codec.
1154 * @param p_manager the user event manager.
1155*/
1156static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
1157 opj_stream_private_t *p_stream,
1158 opj_event_mgr_t * p_manager);
1159
1160/**
1161 * Reads a CBD marker (Component bit depth definition)
1162 * @param p_header_data the data contained in the CBD box.
1163 * @param p_j2k the jpeg2000 codec.
1164 * @param p_header_size the size of the data contained in the CBD marker.
1165 * @param p_manager the user event manager.
1166*/
1167static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
1168 OPJ_BYTE * p_header_data,
1169 OPJ_UINT32 p_header_size,
1170 opj_event_mgr_t * p_manager);
1171
1172
1173/**
1174 * Writes COC marker for each component.
1175 *
1176 * @param p_stream the stream to write data to.
1177 * @param p_j2k J2K codec.
1178 * @param p_manager the user event manager.
1179*/
1180static OPJ_BOOL opj_j2k_write_all_coc(opj_j2k_t *p_j2k,
1181 opj_stream_private_t *p_stream,
1182 opj_event_mgr_t * p_manager);
1183
1184/**
1185 * Writes QCC marker for each component.
1186 *
1187 * @param p_stream the stream to write data to.
1188 * @param p_j2k J2K codec.
1189 * @param p_manager the user event manager.
1190*/
1191static OPJ_BOOL opj_j2k_write_all_qcc(opj_j2k_t *p_j2k,
1192 opj_stream_private_t *p_stream,
1193 opj_event_mgr_t * p_manager);
1194
1195/**
1196 * Writes regions of interests.
1197 *
1198 * @param p_stream the stream to write data to.
1199 * @param p_j2k J2K codec.
1200 * @param p_manager the user event manager.
1201*/
1202static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
1203 opj_stream_private_t *p_stream,
1204 opj_event_mgr_t * p_manager);
1205
1206/**
1207 * Writes EPC ????
1208 *
1209 * @param p_stream the stream to write data to.
1210 * @param p_j2k J2K codec.
1211 * @param p_manager the user event manager.
1212*/
1213static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
1214 opj_stream_private_t *p_stream,
1215 opj_event_mgr_t * p_manager);
1216
1217/**
1218 * Checks the progression order changes values. Tells of the poc given as input are valid.
1219 * A nice message is outputted at errors.
1220 *
1221 * @param p_pocs the progression order changes.
1222 * @param p_nb_pocs the number of progression order changes.
1223 * @param p_nb_resolutions the number of resolutions.
1224 * @param numcomps the number of components
1225 * @param numlayers the number of layers.
1226 * @param p_manager the user event manager.
1227 *
1228 * @return true if the pocs are valid.
1229 */
1230static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
1231 OPJ_UINT32 p_nb_pocs,
1232 OPJ_UINT32 p_nb_resolutions,
1233 OPJ_UINT32 numcomps,
1234 OPJ_UINT32 numlayers,
1235 opj_event_mgr_t * p_manager);
1236
1237/**
1238 * Gets the number of tile parts used for the given change of progression (if any) and the given tile.
1239 *
1240 * @param cp the coding parameters.
1241 * @param pino the offset of the given poc (i.e. its position in the coding parameter).
1242 * @param tileno the given tile.
1243 *
1244 * @return the number of tile parts.
1245 */
1246static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
1247 OPJ_UINT32 tileno);
1248
1249/**
1250 * Calculates the total number of tile parts needed by the encoder to
1251 * encode such an image. If not enough memory is available, then the function return false.
1252 *
1253 * @param p_nb_tiles pointer that will hold the number of tile parts.
1254 * @param cp the coding parameters for the image.
1255 * @param image the image to encode.
1256 * @param p_j2k the p_j2k encoder.
1257 * @param p_manager the user event manager.
1258 *
1259 * @return true if the function was successful, false else.
1260 */
1261static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
1262 opj_cp_t *cp,
1263 OPJ_UINT32 * p_nb_tiles,
1264 opj_image_t *image,
1265 opj_event_mgr_t * p_manager);
1266
1267static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream);
1268
1269static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream);
1270
1271static opj_codestream_index_t* opj_j2k_create_cstr_index(void);
1272
1273static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp);
1274
1275static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp);
1276
1277static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres);
1278
1279static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
1280 opj_image_t *image, opj_event_mgr_t *p_manager);
1281
1282static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
1283 opj_event_mgr_t *p_manager);
1284
1285/**
1286 * Checks for invalid number of tile-parts in SOT marker (TPsot==TNsot). See issue 254.
1287 *
1288 * @param p_stream the stream to read data from.
1289 * @param tile_no tile number we're looking for.
1290 * @param p_correction_needed output value. if true, non conformant codestream needs TNsot correction.
1291 * @param p_manager the user event manager.
1292 *
1293 * @return true if the function was successful, false else.
1294 */
1295static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
1296 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
1297 opj_event_mgr_t * p_manager);
1298
1299/*@}*/
1300
1301/*@}*/
1302
1303/* ----------------------------------------------------------------------- */
1304typedef struct j2k_prog_order {
1305 OPJ_PROG_ORDER enum_prog;
1306 char str_prog[5];
1307} j2k_prog_order_t;
1308
1309static const j2k_prog_order_t j2k_prog_order_list[] = {
1310 {OPJ_CPRL, "CPRL"},
1311 {OPJ_LRCP, "LRCP"},
1312 {OPJ_PCRL, "PCRL"},
1313 {OPJ_RLCP, "RLCP"},
1314 {OPJ_RPCL, "RPCL"},
1315 {(OPJ_PROG_ORDER) - 1, ""}
1316};
1317
1318/**
1319 * FIXME DOC
1320 */
1321static const OPJ_UINT32 MCT_ELEMENT_SIZE [] = {
1322 2,
1323 4,
1324 4,
1325 8
1326};
1327
1328typedef void (* opj_j2k_mct_function)(const void * p_src_data,
1329 void * p_dest_data, OPJ_UINT32 p_nb_elem);
1330
1331static const opj_j2k_mct_function j2k_mct_read_functions_to_float [] = {
1332 opj_j2k_read_int16_to_float,
1333 opj_j2k_read_int32_to_float,
1334 opj_j2k_read_float32_to_float,
1335 opj_j2k_read_float64_to_float
1336};
1337
1338static const opj_j2k_mct_function j2k_mct_read_functions_to_int32 [] = {
1339 opj_j2k_read_int16_to_int32,
1340 opj_j2k_read_int32_to_int32,
1341 opj_j2k_read_float32_to_int32,
1342 opj_j2k_read_float64_to_int32
1343};
1344
1345static const opj_j2k_mct_function j2k_mct_write_functions_from_float [] = {
1346 opj_j2k_write_float_to_int16,
1347 opj_j2k_write_float_to_int32,
1348 opj_j2k_write_float_to_float,
1349 opj_j2k_write_float_to_float64
1350};
1351
1352typedef struct opj_dec_memory_marker_handler {
1353 /** marker value */
1354 OPJ_UINT32 id;
1355 /** value of the state when the marker can appear */
1356 OPJ_UINT32 states;
1357 /** action linked to the marker */
1358 OPJ_BOOL(*handler)(opj_j2k_t *p_j2k,
1359 OPJ_BYTE * p_header_data,
1360 OPJ_UINT32 p_header_size,
1361 opj_event_mgr_t * p_manager);
1362}
1363opj_dec_memory_marker_handler_t;
1364
1365static const opj_dec_memory_marker_handler_t j2k_memory_marker_handler_tab [] =
1366{
1367 {J2K_MS_SOT, J2K_STATE_MH | J2K_STATE_TPHSOT, opj_j2k_read_sot},
1368 {J2K_MS_COD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_cod},
1369 {J2K_MS_COC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_coc},
1370 {J2K_MS_RGN, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_rgn},
1371 {J2K_MS_QCD, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcd},
1372 {J2K_MS_QCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_qcc},
1373 {J2K_MS_POC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_poc},
1374 {J2K_MS_SIZ, J2K_STATE_MHSIZ, opj_j2k_read_siz},
1375 {J2K_MS_TLM, J2K_STATE_MH, opj_j2k_read_tlm},
1376 {J2K_MS_PLM, J2K_STATE_MH, opj_j2k_read_plm},
1377 {J2K_MS_PLT, J2K_STATE_TPH, opj_j2k_read_plt},
1378 {J2K_MS_PPM, J2K_STATE_MH, opj_j2k_read_ppm},
1379 {J2K_MS_PPT, J2K_STATE_TPH, opj_j2k_read_ppt},
1380 {J2K_MS_SOP, 0, 0},
1381 {J2K_MS_CRG, J2K_STATE_MH, opj_j2k_read_crg},
1382 {J2K_MS_COM, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_com},
1383 {J2K_MS_MCT, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mct},
1384 {J2K_MS_CBD, J2K_STATE_MH, opj_j2k_read_cbd},
1385 {J2K_MS_MCC, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mcc},
1386 {J2K_MS_MCO, J2K_STATE_MH | J2K_STATE_TPH, opj_j2k_read_mco},
1387#ifdef USE_JPWL
1388#ifdef TODO_MS /* remove these functions which are not commpatible with the v2 API */
1389 {J2K_MS_EPC, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epc},
1390 {J2K_MS_EPB, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_epb},
1391 {J2K_MS_ESD, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_esd},
1392 {J2K_MS_RED, J2K_STATE_MH | J2K_STATE_TPH, j2k_read_red},
1393#endif
1394#endif /* USE_JPWL */
1395#ifdef USE_JPSEC
1396 {J2K_MS_SEC, J2K_DEC_STATE_MH, j2k_read_sec},
1397 {J2K_MS_INSEC, 0, j2k_read_insec}
1398#endif /* USE_JPSEC */
1399 {J2K_MS_UNK, J2K_STATE_MH | J2K_STATE_TPH, 0}/*opj_j2k_read_unk is directly used*/
1400};
1401
1402static void opj_j2k_read_int16_to_float(const void * p_src_data,
1403 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1404{
1405 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1406 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1407 OPJ_UINT32 i;
1408 OPJ_UINT32 l_temp;
1409
1410 for (i = 0; i < p_nb_elem; ++i) {
1411 opj_read_bytes(l_src_data, &l_temp, 2);
1412
1413 l_src_data += sizeof(OPJ_INT16);
1414
1415 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1416 }
1417}
1418
1419static void opj_j2k_read_int32_to_float(const void * p_src_data,
1420 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1421{
1422 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1423 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1424 OPJ_UINT32 i;
1425 OPJ_UINT32 l_temp;
1426
1427 for (i = 0; i < p_nb_elem; ++i) {
1428 opj_read_bytes(l_src_data, &l_temp, 4);
1429
1430 l_src_data += sizeof(OPJ_INT32);
1431
1432 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1433 }
1434}
1435
1436static void opj_j2k_read_float32_to_float(const void * p_src_data,
1437 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1438{
1439 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1440 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1441 OPJ_UINT32 i;
1442 OPJ_FLOAT32 l_temp;
1443
1444 for (i = 0; i < p_nb_elem; ++i) {
1445 opj_read_float(l_src_data, &l_temp);
1446
1447 l_src_data += sizeof(OPJ_FLOAT32);
1448
1449 *(l_dest_data++) = l_temp;
1450 }
1451}
1452
1453static void opj_j2k_read_float64_to_float(const void * p_src_data,
1454 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1455{
1456 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1457 OPJ_FLOAT32 * l_dest_data = (OPJ_FLOAT32 *) p_dest_data;
1458 OPJ_UINT32 i;
1459 OPJ_FLOAT64 l_temp;
1460
1461 for (i = 0; i < p_nb_elem; ++i) {
1462 opj_read_double(l_src_data, &l_temp);
1463
1464 l_src_data += sizeof(OPJ_FLOAT64);
1465
1466 *(l_dest_data++) = (OPJ_FLOAT32) l_temp;
1467 }
1468}
1469
1470static void opj_j2k_read_int16_to_int32(const void * p_src_data,
1471 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1472{
1473 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1474 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1475 OPJ_UINT32 i;
1476 OPJ_UINT32 l_temp;
1477
1478 for (i = 0; i < p_nb_elem; ++i) {
1479 opj_read_bytes(l_src_data, &l_temp, 2);
1480
1481 l_src_data += sizeof(OPJ_INT16);
1482
1483 *(l_dest_data++) = (OPJ_INT32) l_temp;
1484 }
1485}
1486
1487static void opj_j2k_read_int32_to_int32(const void * p_src_data,
1488 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1489{
1490 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1491 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1492 OPJ_UINT32 i;
1493 OPJ_UINT32 l_temp;
1494
1495 for (i = 0; i < p_nb_elem; ++i) {
1496 opj_read_bytes(l_src_data, &l_temp, 4);
1497
1498 l_src_data += sizeof(OPJ_INT32);
1499
1500 *(l_dest_data++) = (OPJ_INT32) l_temp;
1501 }
1502}
1503
1504static void opj_j2k_read_float32_to_int32(const void * p_src_data,
1505 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1506{
1507 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1508 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1509 OPJ_UINT32 i;
1510 OPJ_FLOAT32 l_temp;
1511
1512 for (i = 0; i < p_nb_elem; ++i) {
1513 opj_read_float(l_src_data, &l_temp);
1514
1515 l_src_data += sizeof(OPJ_FLOAT32);
1516
1517 *(l_dest_data++) = (OPJ_INT32) l_temp;
1518 }
1519}
1520
1521static void opj_j2k_read_float64_to_int32(const void * p_src_data,
1522 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1523{
1524 OPJ_BYTE * l_src_data = (OPJ_BYTE *) p_src_data;
1525 OPJ_INT32 * l_dest_data = (OPJ_INT32 *) p_dest_data;
1526 OPJ_UINT32 i;
1527 OPJ_FLOAT64 l_temp;
1528
1529 for (i = 0; i < p_nb_elem; ++i) {
1530 opj_read_double(l_src_data, &l_temp);
1531
1532 l_src_data += sizeof(OPJ_FLOAT64);
1533
1534 *(l_dest_data++) = (OPJ_INT32) l_temp;
1535 }
1536}
1537
1538static void opj_j2k_write_float_to_int16(const void * p_src_data,
1539 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1540{
1541 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1542 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1543 OPJ_UINT32 i;
1544 OPJ_UINT32 l_temp;
1545
1546 for (i = 0; i < p_nb_elem; ++i) {
1547 l_temp = (OPJ_UINT32) * (l_src_data++);
1548
1549 opj_write_bytes(l_dest_data, l_temp, sizeof(OPJ_INT16));
1550
1551 l_dest_data += sizeof(OPJ_INT16);
1552 }
1553}
1554
1555static void opj_j2k_write_float_to_int32(const void * p_src_data,
1556 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1557{
1558 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1559 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1560 OPJ_UINT32 i;
1561 OPJ_UINT32 l_temp;
1562
1563 for (i = 0; i < p_nb_elem; ++i) {
1564 l_temp = (OPJ_UINT32) * (l_src_data++);
1565
1566 opj_write_bytes(l_dest_data, l_temp, sizeof(OPJ_INT32));
1567
1568 l_dest_data += sizeof(OPJ_INT32);
1569 }
1570}
1571
1572static void opj_j2k_write_float_to_float(const void * p_src_data,
1573 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1574{
1575 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1576 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1577 OPJ_UINT32 i;
1578 OPJ_FLOAT32 l_temp;
1579
1580 for (i = 0; i < p_nb_elem; ++i) {
1581 l_temp = (OPJ_FLOAT32) * (l_src_data++);
1582
1583 opj_write_float(l_dest_data, l_temp);
1584
1585 l_dest_data += sizeof(OPJ_FLOAT32);
1586 }
1587}
1588
1589static void opj_j2k_write_float_to_float64(const void * p_src_data,
1590 void * p_dest_data, OPJ_UINT32 p_nb_elem)
1591{
1592 OPJ_BYTE * l_dest_data = (OPJ_BYTE *) p_dest_data;
1593 OPJ_FLOAT32 * l_src_data = (OPJ_FLOAT32 *) p_src_data;
1594 OPJ_UINT32 i;
1595 OPJ_FLOAT64 l_temp;
1596
1597 for (i = 0; i < p_nb_elem; ++i) {
1598 l_temp = (OPJ_FLOAT64) * (l_src_data++);
1599
1600 opj_write_double(l_dest_data, l_temp);
1601
1602 l_dest_data += sizeof(OPJ_FLOAT64);
1603 }
1604}
1605
1606const char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)
1607{
1608 const j2k_prog_order_t *po;
1609 for (po = j2k_prog_order_list; po->enum_prog != -1; po++) {
1610 if (po->enum_prog == prg_order) {
1611 return po->str_prog;
1612 }
1613 }
1614 return po->str_prog;
1615}
1616
1617static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
1618 OPJ_UINT32 p_nb_pocs,
1619 OPJ_UINT32 p_nb_resolutions,
1620 OPJ_UINT32 p_num_comps,
1621 OPJ_UINT32 p_num_layers,
1622 opj_event_mgr_t * p_manager)
1623{
1624 OPJ_UINT32* packet_array;
1625 OPJ_UINT32 index, resno, compno, layno;
1626 OPJ_UINT32 i;
1627 OPJ_UINT32 step_c = 1;
1628 OPJ_UINT32 step_r = p_num_comps * step_c;
1629 OPJ_UINT32 step_l = p_nb_resolutions * step_r;
1630 OPJ_BOOL loss = OPJ_FALSE;
1631 OPJ_UINT32 layno0 = 0;
1632
1633 packet_array = (OPJ_UINT32*) opj_calloc(step_l * p_num_layers,
1634 sizeof(OPJ_UINT32));
1635 if (packet_array == 00) {
1636 opj_event_msg(p_manager, EVT_ERROR,
1637 "Not enough memory for checking the poc values.\n");
1638 return OPJ_FALSE;
1639 }
1640
1641 if (p_nb_pocs == 0) {
1642 opj_free(packet_array);
1643 return OPJ_TRUE;
1644 }
1645
1646 index = step_r * p_pocs->resno0;
1647 /* take each resolution for each poc */
1648 for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) {
1649 OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
1650
1651 /* take each comp of each resolution for each poc */
1652 for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
1653 OPJ_UINT32 comp_index = res_index + layno0 * step_l;
1654
1655 /* and finally take each layer of each res of ... */
1656 for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
1657 /*index = step_r * resno + step_c * compno + step_l * layno;*/
1658 packet_array[comp_index] = 1;
1659 comp_index += step_l;
1660 }
1661
1662 res_index += step_c;
1663 }
1664
1665 index += step_r;
1666 }
1667 ++p_pocs;
1668
1669 /* iterate through all the pocs */
1670 for (i = 1; i < p_nb_pocs ; ++i) {
1671 OPJ_UINT32 l_last_layno1 = (p_pocs - 1)->layno1 ;
1672
1673 layno0 = (p_pocs->layno1 > l_last_layno1) ? l_last_layno1 : 0;
1674 index = step_r * p_pocs->resno0;
1675
1676 /* take each resolution for each poc */
1677 for (resno = p_pocs->resno0 ; resno < p_pocs->resno1 ; ++resno) {
1678 OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
1679
1680 /* take each comp of each resolution for each poc */
1681 for (compno = p_pocs->compno0 ; compno < p_pocs->compno1 ; ++compno) {
1682 OPJ_UINT32 comp_index = res_index + layno0 * step_l;
1683
1684 /* and finally take each layer of each res of ... */
1685 for (layno = layno0; layno < p_pocs->layno1 ; ++layno) {
1686 /*index = step_r * resno + step_c * compno + step_l * layno;*/
1687 packet_array[comp_index] = 1;
1688 comp_index += step_l;
1689 }
1690
1691 res_index += step_c;
1692 }
1693
1694 index += step_r;
1695 }
1696
1697 ++p_pocs;
1698 }
1699
1700 index = 0;
1701 for (layno = 0; layno < p_num_layers ; ++layno) {
1702 for (resno = 0; resno < p_nb_resolutions; ++resno) {
1703 for (compno = 0; compno < p_num_comps; ++compno) {
1704 loss |= (packet_array[index] != 1);
1705 /*index = step_r * resno + step_c * compno + step_l * layno;*/
1706 index += step_c;
1707 }
1708 }
1709 }
1710
1711 if (loss) {
1712 opj_event_msg(p_manager, EVT_ERROR, "Missing packets possible loss of data\n");
1713 }
1714
1715 opj_free(packet_array);
1716
1717 return !loss;
1718}
1719
1720/* ----------------------------------------------------------------------- */
1721
1722static OPJ_UINT32 opj_j2k_get_num_tp(opj_cp_t *cp, OPJ_UINT32 pino,
1723 OPJ_UINT32 tileno)
1724{
1725 const OPJ_CHAR *prog = 00;
1726 OPJ_INT32 i;
1727 OPJ_UINT32 tpnum = 1;
1728 opj_tcp_t *tcp = 00;
1729 opj_poc_t * l_current_poc = 00;
1730
1731 /* preconditions */
1732 assert(tileno < (cp->tw * cp->th));
1733 assert(pino < (cp->tcps[tileno].numpocs + 1));
1734
1735 /* get the given tile coding parameter */
1736 tcp = &cp->tcps[tileno];
1737 assert(tcp != 00);
1738
1739 l_current_poc = &(tcp->pocs[pino]);
1740 assert(l_current_poc != 0);
1741
1742 /* get the progression order as a character string */
1743 prog = opj_j2k_convert_progression_order(tcp->prg);
1744 assert(strlen(prog) > 0);
1745
1746 if (cp->m_specific_param.m_enc.m_tp_on == 1) {
1747 for (i = 0; i < 4; ++i) {
1748 switch (prog[i]) {
1749 /* component wise */
1750 case 'C':
1751 tpnum *= l_current_poc->compE;
1752 break;
1753 /* resolution wise */
1754 case 'R':
1755 tpnum *= l_current_poc->resE;
1756 break;
1757 /* precinct wise */
1758 case 'P':
1759 tpnum *= l_current_poc->prcE;
1760 break;
1761 /* layer wise */
1762 case 'L':
1763 tpnum *= l_current_poc->layE;
1764 break;
1765 }
1766 /* whould we split here ? */
1767 if (cp->m_specific_param.m_enc.m_tp_flag == prog[i]) {
1768 cp->m_specific_param.m_enc.m_tp_pos = i;
1769 break;
1770 }
1771 }
1772 } else {
1773 tpnum = 1;
1774 }
1775
1776 return tpnum;
1777}
1778
1779static OPJ_BOOL opj_j2k_calculate_tp(opj_j2k_t *p_j2k,
1780 opj_cp_t *cp,
1781 OPJ_UINT32 * p_nb_tiles,
1782 opj_image_t *image,
1783 opj_event_mgr_t * p_manager
1784 )
1785{
1786 OPJ_UINT32 pino, tileno;
1787 OPJ_UINT32 l_nb_tiles;
1788 opj_tcp_t *tcp;
1789
1790 /* preconditions */
1791 assert(p_nb_tiles != 00);
1792 assert(cp != 00);
1793 assert(image != 00);
1794 assert(p_j2k != 00);
1795 assert(p_manager != 00);
1796
1797 OPJ_UNUSED(p_j2k);
1798 OPJ_UNUSED(p_manager);
1799
1800 l_nb_tiles = cp->tw * cp->th;
1801 * p_nb_tiles = 0;
1802 tcp = cp->tcps;
1803
1804 /* INDEX >> */
1805 /* TODO mergeV2: check this part which use cstr_info */
1806 /*if (p_j2k->cstr_info) {
1807 opj_tile_info_t * l_info_tile_ptr = p_j2k->cstr_info->tile;
1808
1809 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1810 OPJ_UINT32 cur_totnum_tp = 0;
1811
1812 opj_pi_update_encoding_parameters(image,cp,tileno);
1813
1814 for (pino = 0; pino <= tcp->numpocs; ++pino)
1815 {
1816 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp,pino,tileno);
1817
1818 *p_nb_tiles = *p_nb_tiles + tp_num;
1819
1820 cur_totnum_tp += tp_num;
1821 }
1822
1823 tcp->m_nb_tile_parts = cur_totnum_tp;
1824
1825 l_info_tile_ptr->tp = (opj_tp_info_t *) opj_malloc(cur_totnum_tp * sizeof(opj_tp_info_t));
1826 if (l_info_tile_ptr->tp == 00) {
1827 return OPJ_FALSE;
1828 }
1829
1830 memset(l_info_tile_ptr->tp,0,cur_totnum_tp * sizeof(opj_tp_info_t));
1831
1832 l_info_tile_ptr->num_tps = cur_totnum_tp;
1833
1834 ++l_info_tile_ptr;
1835 ++tcp;
1836 }
1837 }
1838 else */{
1839 for (tileno = 0; tileno < l_nb_tiles; ++tileno) {
1840 OPJ_UINT32 cur_totnum_tp = 0;
1841
1842 opj_pi_update_encoding_parameters(image, cp, tileno);
1843
1844 for (pino = 0; pino <= tcp->numpocs; ++pino) {
1845 OPJ_UINT32 tp_num = opj_j2k_get_num_tp(cp, pino, tileno);
1846
1847 *p_nb_tiles = *p_nb_tiles + tp_num;
1848
1849 cur_totnum_tp += tp_num;
1850 }
1851 tcp->m_nb_tile_parts = cur_totnum_tp;
1852
1853 ++tcp;
1854 }
1855 }
1856
1857 return OPJ_TRUE;
1858}
1859
1860static OPJ_BOOL opj_j2k_write_soc(opj_j2k_t *p_j2k,
1861 opj_stream_private_t *p_stream,
1862 opj_event_mgr_t * p_manager)
1863{
1864 /* 2 bytes will be written */
1865 OPJ_BYTE * l_start_stream = 00;
1866
1867 /* preconditions */
1868 assert(p_stream != 00);
1869 assert(p_j2k != 00);
1870 assert(p_manager != 00);
1871
1872 l_start_stream = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
1873
1874 /* write SOC identifier */
1875 opj_write_bytes(l_start_stream, J2K_MS_SOC, 2);
1876
1877 if (opj_stream_write_data(p_stream, l_start_stream, 2, p_manager) != 2) {
1878 return OPJ_FALSE;
1879 }
1880
1881 /* UniPG>> */
1882#ifdef USE_JPWL
1883 /* update markers struct */
1884 /*
1885 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOC, p_stream_tell(p_stream) - 2, 2);
1886 */
1887 assert(0 && "TODO");
1888#endif /* USE_JPWL */
1889 /* <<UniPG */
1890
1891 return OPJ_TRUE;
1892}
1893
1894/**
1895 * Reads a SOC marker (Start of Codestream)
1896 * @param p_j2k the jpeg2000 file codec.
1897 * @param p_stream FIXME DOC
1898 * @param p_manager the user event manager.
1899*/
1900static OPJ_BOOL opj_j2k_read_soc(opj_j2k_t *p_j2k,
1901 opj_stream_private_t *p_stream,
1902 opj_event_mgr_t * p_manager
1903 )
1904{
1905 OPJ_BYTE l_data [2];
1906 OPJ_UINT32 l_marker;
1907
1908 /* preconditions */
1909 assert(p_j2k != 00);
1910 assert(p_manager != 00);
1911 assert(p_stream != 00);
1912
1913 if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
1914 return OPJ_FALSE;
1915 }
1916
1917 opj_read_bytes(l_data, &l_marker, 2);
1918 if (l_marker != J2K_MS_SOC) {
1919 return OPJ_FALSE;
1920 }
1921
1922 /* Next marker should be a SIZ marker in the main header */
1923 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSIZ;
1924
1925 /* FIXME move it in a index structure included in p_j2k*/
1926 p_j2k->cstr_index->main_head_start = opj_stream_tell(p_stream) - 2;
1927
1928 opj_event_msg(p_manager, EVT_INFO, "Start to read j2k main header (%d).\n",
1929 p_j2k->cstr_index->main_head_start);
1930
1931 /* Add the marker to the codestream index*/
1932 if (OPJ_FALSE == opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_SOC,
1933 p_j2k->cstr_index->main_head_start, 2)) {
1934 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
1935 return OPJ_FALSE;
1936 }
1937 return OPJ_TRUE;
1938}
1939
1940static OPJ_BOOL opj_j2k_write_siz(opj_j2k_t *p_j2k,
1941 opj_stream_private_t *p_stream,
1942 opj_event_mgr_t * p_manager)
1943{
1944 OPJ_UINT32 i;
1945 OPJ_UINT32 l_size_len;
1946 OPJ_BYTE * l_current_ptr;
1947 opj_image_t * l_image = 00;
1948 opj_cp_t *cp = 00;
1949 opj_image_comp_t * l_img_comp = 00;
1950
1951 /* preconditions */
1952 assert(p_stream != 00);
1953 assert(p_j2k != 00);
1954 assert(p_manager != 00);
1955
1956 l_image = p_j2k->m_private_image;
1957 cp = &(p_j2k->m_cp);
1958 l_size_len = 40 + 3 * l_image->numcomps;
1959 l_img_comp = l_image->comps;
1960
1961 if (l_size_len > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
1962
1963 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
1964 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len);
1965 if (! new_header_tile_data) {
1966 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
1967 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
1968 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
1969 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory for the SIZ marker\n");
1970 return OPJ_FALSE;
1971 }
1972 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
1973 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_size_len;
1974 }
1975
1976 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
1977
1978 /* write SOC identifier */
1979 opj_write_bytes(l_current_ptr, J2K_MS_SIZ, 2); /* SIZ */
1980 l_current_ptr += 2;
1981
1982 opj_write_bytes(l_current_ptr, l_size_len - 2, 2); /* L_SIZ */
1983 l_current_ptr += 2;
1984
1985 opj_write_bytes(l_current_ptr, cp->rsiz, 2); /* Rsiz (capabilities) */
1986 l_current_ptr += 2;
1987
1988 opj_write_bytes(l_current_ptr, l_image->x1, 4); /* Xsiz */
1989 l_current_ptr += 4;
1990
1991 opj_write_bytes(l_current_ptr, l_image->y1, 4); /* Ysiz */
1992 l_current_ptr += 4;
1993
1994 opj_write_bytes(l_current_ptr, l_image->x0, 4); /* X0siz */
1995 l_current_ptr += 4;
1996
1997 opj_write_bytes(l_current_ptr, l_image->y0, 4); /* Y0siz */
1998 l_current_ptr += 4;
1999
2000 opj_write_bytes(l_current_ptr, cp->tdx, 4); /* XTsiz */
2001 l_current_ptr += 4;
2002
2003 opj_write_bytes(l_current_ptr, cp->tdy, 4); /* YTsiz */
2004 l_current_ptr += 4;
2005
2006 opj_write_bytes(l_current_ptr, cp->tx0, 4); /* XT0siz */
2007 l_current_ptr += 4;
2008
2009 opj_write_bytes(l_current_ptr, cp->ty0, 4); /* YT0siz */
2010 l_current_ptr += 4;
2011
2012 opj_write_bytes(l_current_ptr, l_image->numcomps, 2); /* Csiz */
2013 l_current_ptr += 2;
2014
2015 for (i = 0; i < l_image->numcomps; ++i) {
2016 /* TODO here with MCT ? */
2017 opj_write_bytes(l_current_ptr, l_img_comp->prec - 1 + (l_img_comp->sgnd << 7),
2018 1); /* Ssiz_i */
2019 ++l_current_ptr;
2020
2021 opj_write_bytes(l_current_ptr, l_img_comp->dx, 1); /* XRsiz_i */
2022 ++l_current_ptr;
2023
2024 opj_write_bytes(l_current_ptr, l_img_comp->dy, 1); /* YRsiz_i */
2025 ++l_current_ptr;
2026
2027 ++l_img_comp;
2028 }
2029
2030 if (opj_stream_write_data(p_stream,
2031 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_size_len,
2032 p_manager) != l_size_len) {
2033 return OPJ_FALSE;
2034 }
2035
2036 return OPJ_TRUE;
2037}
2038
2039/**
2040 * Reads a SIZ marker (image and tile size)
2041 * @param p_j2k the jpeg2000 file codec.
2042 * @param p_header_data the data contained in the SIZ box.
2043 * @param p_header_size the size of the data contained in the SIZ marker.
2044 * @param p_manager the user event manager.
2045*/
2046static OPJ_BOOL opj_j2k_read_siz(opj_j2k_t *p_j2k,
2047 OPJ_BYTE * p_header_data,
2048 OPJ_UINT32 p_header_size,
2049 opj_event_mgr_t * p_manager
2050 )
2051{
2052 OPJ_UINT32 i;
2053 OPJ_UINT32 l_nb_comp;
2054 OPJ_UINT32 l_nb_comp_remain;
2055 OPJ_UINT32 l_remaining_size;
2056 OPJ_UINT32 l_nb_tiles;
2057 OPJ_UINT32 l_tmp, l_tx1, l_ty1;
2058 OPJ_UINT32 l_prec0, l_sgnd0;
2059 opj_image_t *l_image = 00;
2060 opj_cp_t *l_cp = 00;
2061 opj_image_comp_t * l_img_comp = 00;
2062 opj_tcp_t * l_current_tile_param = 00;
2063
2064 /* preconditions */
2065 assert(p_j2k != 00);
2066 assert(p_manager != 00);
2067 assert(p_header_data != 00);
2068
2069 l_image = p_j2k->m_private_image;
2070 l_cp = &(p_j2k->m_cp);
2071
2072 /* minimum size == 39 - 3 (= minimum component parameter) */
2073 if (p_header_size < 36) {
2074 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
2075 return OPJ_FALSE;
2076 }
2077
2078 l_remaining_size = p_header_size - 36;
2079 l_nb_comp = l_remaining_size / 3;
2080 l_nb_comp_remain = l_remaining_size % 3;
2081 if (l_nb_comp_remain != 0) {
2082 opj_event_msg(p_manager, EVT_ERROR, "Error with SIZ marker size\n");
2083 return OPJ_FALSE;
2084 }
2085
2086 opj_read_bytes(p_header_data, &l_tmp,
2087 2); /* Rsiz (capabilities) */
2088 p_header_data += 2;
2089 l_cp->rsiz = (OPJ_UINT16) l_tmp;
2090 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x1, 4); /* Xsiz */
2091 p_header_data += 4;
2092 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y1, 4); /* Ysiz */
2093 p_header_data += 4;
2094 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->x0, 4); /* X0siz */
2095 p_header_data += 4;
2096 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_image->y0, 4); /* Y0siz */
2097 p_header_data += 4;
2098 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdx,
2099 4); /* XTsiz */
2100 p_header_data += 4;
2101 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tdy,
2102 4); /* YTsiz */
2103 p_header_data += 4;
2104 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->tx0,
2105 4); /* XT0siz */
2106 p_header_data += 4;
2107 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_cp->ty0,
2108 4); /* YT0siz */
2109 p_header_data += 4;
2110 opj_read_bytes(p_header_data, (OPJ_UINT32*) &l_tmp,
2111 2); /* Csiz */
2112 p_header_data += 2;
2113 if (l_tmp < 16385) {
2114 l_image->numcomps = (OPJ_UINT16) l_tmp;
2115 } else {
2116 opj_event_msg(p_manager, EVT_ERROR,
2117 "Error with SIZ marker: number of component is illegal -> %d\n", l_tmp);
2118 return OPJ_FALSE;
2119 }
2120
2121 if (l_image->numcomps != l_nb_comp) {
2122 opj_event_msg(p_manager, EVT_ERROR,
2123 "Error with SIZ marker: number of component is not compatible with the remaining number of parameters ( %d vs %d)\n",
2124 l_image->numcomps, l_nb_comp);
2125 return OPJ_FALSE;
2126 }
2127
2128 /* testcase 4035.pdf.SIGSEGV.d8b.3375 */
2129 /* testcase issue427-null-image-size.jp2 */
2130 if ((l_image->x0 >= l_image->x1) || (l_image->y0 >= l_image->y1)) {
2131 opj_event_msg(p_manager, EVT_ERROR,
2132 "Error with SIZ marker: negative or zero image size (%" PRId64 " x %" PRId64
2133 ")\n", (OPJ_INT64)l_image->x1 - l_image->x0,
2134 (OPJ_INT64)l_image->y1 - l_image->y0);
2135 return OPJ_FALSE;
2136 }
2137 /* testcase 2539.pdf.SIGFPE.706.1712 (also 3622.pdf.SIGFPE.706.2916 and 4008.pdf.SIGFPE.706.3345 and maybe more) */
2138 if ((l_cp->tdx == 0U) || (l_cp->tdy == 0U)) {
2139 opj_event_msg(p_manager, EVT_ERROR,
2140 "Error with SIZ marker: invalid tile size (tdx: %d, tdy: %d)\n", l_cp->tdx,
2141 l_cp->tdy);
2142 return OPJ_FALSE;
2143 }
2144
2145 /* testcase issue427-illegal-tile-offset.jp2 */
2146 l_tx1 = opj_uint_adds(l_cp->tx0, l_cp->tdx); /* manage overflow */
2147 l_ty1 = opj_uint_adds(l_cp->ty0, l_cp->tdy); /* manage overflow */
2148 if ((l_cp->tx0 > l_image->x0) || (l_cp->ty0 > l_image->y0) ||
2149 (l_tx1 <= l_image->x0) || (l_ty1 <= l_image->y0)) {
2150 opj_event_msg(p_manager, EVT_ERROR,
2151 "Error with SIZ marker: illegal tile offset\n");
2152 return OPJ_FALSE;
2153 }
2154 if (!p_j2k->dump_state) {
2155 OPJ_UINT32 siz_w, siz_h;
2156
2157 siz_w = l_image->x1 - l_image->x0;
2158 siz_h = l_image->y1 - l_image->y0;
2159
2160 if (p_j2k->ihdr_w > 0 && p_j2k->ihdr_h > 0
2161 && (p_j2k->ihdr_w != siz_w || p_j2k->ihdr_h != siz_h)) {
2162 opj_event_msg(p_manager, EVT_ERROR,
2163 "Error with SIZ marker: IHDR w(%u) h(%u) vs. SIZ w(%u) h(%u)\n", p_j2k->ihdr_w,
2164 p_j2k->ihdr_h, siz_w, siz_h);
2165 return OPJ_FALSE;
2166 }
2167 }
2168#ifdef USE_JPWL
2169 if (l_cp->correct) {
2170 /* if JPWL is on, we check whether TX errors have damaged
2171 too much the SIZ parameters */
2172 if (!(l_image->x1 * l_image->y1)) {
2173 opj_event_msg(p_manager, EVT_ERROR,
2174 "JPWL: bad image size (%d x %d)\n",
2175 l_image->x1, l_image->y1);
2176 if (!JPWL_ASSUME) {
2177 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2178 return OPJ_FALSE;
2179 }
2180 }
2181
2182 /* FIXME check previously in the function so why keep this piece of code ? Need by the norm ?
2183 if (l_image->numcomps != ((len - 38) / 3)) {
2184 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2185 "JPWL: Csiz is %d => space in SIZ only for %d comps.!!!\n",
2186 l_image->numcomps, ((len - 38) / 3));
2187 if (!JPWL_ASSUME) {
2188 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2189 return OPJ_FALSE;
2190 }
2191 */ /* we try to correct */
2192 /* opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n");
2193 if (l_image->numcomps < ((len - 38) / 3)) {
2194 len = 38 + 3 * l_image->numcomps;
2195 opj_event_msg(p_manager, EVT_WARNING, "- setting Lsiz to %d => HYPOTHESIS!!!\n",
2196 len);
2197 } else {
2198 l_image->numcomps = ((len - 38) / 3);
2199 opj_event_msg(p_manager, EVT_WARNING, "- setting Csiz to %d => HYPOTHESIS!!!\n",
2200 l_image->numcomps);
2201 }
2202 }
2203 */
2204
2205 /* update components number in the jpwl_exp_comps filed */
2206 l_cp->exp_comps = l_image->numcomps;
2207 }
2208#endif /* USE_JPWL */
2209
2210 /* Allocate the resulting image components */
2211 l_image->comps = (opj_image_comp_t*) opj_calloc(l_image->numcomps,
2212 sizeof(opj_image_comp_t));
2213 if (l_image->comps == 00) {
2214 l_image->numcomps = 0;
2215 opj_event_msg(p_manager, EVT_ERROR,
2216 "Not enough memory to take in charge SIZ marker\n");
2217 return OPJ_FALSE;
2218 }
2219
2220 l_img_comp = l_image->comps;
2221
2222 l_prec0 = 0;
2223 l_sgnd0 = 0;
2224 /* Read the component information */
2225 for (i = 0; i < l_image->numcomps; ++i) {
2226 OPJ_UINT32 tmp;
2227 opj_read_bytes(p_header_data, &tmp, 1); /* Ssiz_i */
2228 ++p_header_data;
2229 l_img_comp->prec = (tmp & 0x7f) + 1;
2230 l_img_comp->sgnd = tmp >> 7;
2231
2232 if (p_j2k->dump_state == 0) {
2233 if (i == 0) {
2234 l_prec0 = l_img_comp->prec;
2235 l_sgnd0 = l_img_comp->sgnd;
2236 } else if (!l_cp->allow_different_bit_depth_sign
2237 && (l_img_comp->prec != l_prec0 || l_img_comp->sgnd != l_sgnd0)) {
2238 opj_event_msg(p_manager, EVT_WARNING,
2239 "Despite JP2 BPC!=255, precision and/or sgnd values for comp[%d] is different than comp[0]:\n"
2240 " [0] prec(%d) sgnd(%d) [%d] prec(%d) sgnd(%d)\n", i, l_prec0, l_sgnd0,
2241 i, l_img_comp->prec, l_img_comp->sgnd);
2242 }
2243 /* TODO: we should perhaps also check against JP2 BPCC values */
2244 }
2245 opj_read_bytes(p_header_data, &tmp, 1); /* XRsiz_i */
2246 ++p_header_data;
2247 l_img_comp->dx = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2248 opj_read_bytes(p_header_data, &tmp, 1); /* YRsiz_i */
2249 ++p_header_data;
2250 l_img_comp->dy = (OPJ_UINT32)tmp; /* should be between 1 and 255 */
2251 if (l_img_comp->dx < 1 || l_img_comp->dx > 255 ||
2252 l_img_comp->dy < 1 || l_img_comp->dy > 255) {
2253 opj_event_msg(p_manager, EVT_ERROR,
2254 "Invalid values for comp = %d : dx=%u dy=%u (should be between 1 and 255 according to the JPEG2000 norm)\n",
2255 i, l_img_comp->dx, l_img_comp->dy);
2256 return OPJ_FALSE;
2257 }
2258 /* Avoids later undefined shift in computation of */
2259 /* p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2260 << (l_image->comps[i].prec - 1); */
2261 if (l_img_comp->prec > 31) {
2262 opj_event_msg(p_manager, EVT_ERROR,
2263 "Invalid values for comp = %d : prec=%u (should be between 1 and 38 according to the JPEG2000 norm. OpenJpeg only supports up to 31)\n",
2264 i, l_img_comp->prec);
2265 return OPJ_FALSE;
2266 }
2267#ifdef USE_JPWL
2268 if (l_cp->correct) {
2269 /* if JPWL is on, we check whether TX errors have damaged
2270 too much the SIZ parameters, again */
2271 if (!(l_image->comps[i].dx * l_image->comps[i].dy)) {
2272 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2273 "JPWL: bad XRsiz_%d/YRsiz_%d (%d x %d)\n",
2274 i, i, l_image->comps[i].dx, l_image->comps[i].dy);
2275 if (!JPWL_ASSUME) {
2276 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2277 return OPJ_FALSE;
2278 }
2279 /* we try to correct */
2280 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2281 if (!l_image->comps[i].dx) {
2282 l_image->comps[i].dx = 1;
2283 opj_event_msg(p_manager, EVT_WARNING,
2284 "- setting XRsiz_%d to %d => HYPOTHESIS!!!\n",
2285 i, l_image->comps[i].dx);
2286 }
2287 if (!l_image->comps[i].dy) {
2288 l_image->comps[i].dy = 1;
2289 opj_event_msg(p_manager, EVT_WARNING,
2290 "- setting YRsiz_%d to %d => HYPOTHESIS!!!\n",
2291 i, l_image->comps[i].dy);
2292 }
2293 }
2294 }
2295#endif /* USE_JPWL */
2296 l_img_comp->resno_decoded =
2297 0; /* number of resolution decoded */
2298 l_img_comp->factor =
2299 l_cp->m_specific_param.m_dec.m_reduce; /* reducing factor per component */
2300 ++l_img_comp;
2301 }
2302
2303 if (l_cp->tdx == 0 || l_cp->tdy == 0) {
2304 return OPJ_FALSE;
2305 }
2306
2307 /* Compute the number of tiles */
2308 l_cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(l_image->x1 - l_cp->tx0),
2309 (OPJ_INT32)l_cp->tdx);
2310 l_cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(l_image->y1 - l_cp->ty0),
2311 (OPJ_INT32)l_cp->tdy);
2312
2313 /* Check that the number of tiles is valid */
2314 if (l_cp->tw == 0 || l_cp->th == 0 || l_cp->tw > 65535 / l_cp->th) {
2315 opj_event_msg(p_manager, EVT_ERROR,
2316 "Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
2317 l_cp->tw, l_cp->th);
2318 return OPJ_FALSE;
2319 }
2320 l_nb_tiles = l_cp->tw * l_cp->th;
2321
2322 /* Define the tiles which will be decoded */
2323 if (p_j2k->m_specific_param.m_decoder.m_discard_tiles) {
2324 p_j2k->m_specific_param.m_decoder.m_start_tile_x =
2325 (p_j2k->m_specific_param.m_decoder.m_start_tile_x - l_cp->tx0) / l_cp->tdx;
2326 p_j2k->m_specific_param.m_decoder.m_start_tile_y =
2327 (p_j2k->m_specific_param.m_decoder.m_start_tile_y - l_cp->ty0) / l_cp->tdy;
2328 p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv((
2329 OPJ_INT32)(p_j2k->m_specific_param.m_decoder.m_end_tile_x - l_cp->tx0),
2330 (OPJ_INT32)l_cp->tdx);
2331 p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv((
2332 OPJ_INT32)(p_j2k->m_specific_param.m_decoder.m_end_tile_y - l_cp->ty0),
2333 (OPJ_INT32)l_cp->tdy);
2334 } else {
2335 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
2336 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
2337 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
2338 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
2339 }
2340
2341#ifdef USE_JPWL
2342 if (l_cp->correct) {
2343 /* if JPWL is on, we check whether TX errors have damaged
2344 too much the SIZ parameters */
2345 if ((l_cp->tw < 1) || (l_cp->th < 1) || (l_cp->tw > l_cp->max_tiles) ||
2346 (l_cp->th > l_cp->max_tiles)) {
2347 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2348 "JPWL: bad number of tiles (%d x %d)\n",
2349 l_cp->tw, l_cp->th);
2350 if (!JPWL_ASSUME) {
2351 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2352 return OPJ_FALSE;
2353 }
2354 /* we try to correct */
2355 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n");
2356 if (l_cp->tw < 1) {
2357 l_cp->tw = 1;
2358 opj_event_msg(p_manager, EVT_WARNING,
2359 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2360 l_cp->tw);
2361 }
2362 if (l_cp->tw > l_cp->max_tiles) {
2363 l_cp->tw = 1;
2364 opj_event_msg(p_manager, EVT_WARNING,
2365 "- too large x, increase expectance of %d\n"
2366 "- setting %d tiles in x => HYPOTHESIS!!!\n",
2367 l_cp->max_tiles, l_cp->tw);
2368 }
2369 if (l_cp->th < 1) {
2370 l_cp->th = 1;
2371 opj_event_msg(p_manager, EVT_WARNING,
2372 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2373 l_cp->th);
2374 }
2375 if (l_cp->th > l_cp->max_tiles) {
2376 l_cp->th = 1;
2377 opj_event_msg(p_manager, EVT_WARNING,
2378 "- too large y, increase expectance of %d to continue\n",
2379 "- setting %d tiles in y => HYPOTHESIS!!!\n",
2380 l_cp->max_tiles, l_cp->th);
2381 }
2382 }
2383 }
2384#endif /* USE_JPWL */
2385
2386 /* memory allocations */
2387 l_cp->tcps = (opj_tcp_t*) opj_calloc(l_nb_tiles, sizeof(opj_tcp_t));
2388 if (l_cp->tcps == 00) {
2389 opj_event_msg(p_manager, EVT_ERROR,
2390 "Not enough memory to take in charge SIZ marker\n");
2391 return OPJ_FALSE;
2392 }
2393
2394#ifdef USE_JPWL
2395 if (l_cp->correct) {
2396 if (!l_cp->tcps) {
2397 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
2398 "JPWL: could not alloc tcps field of cp\n");
2399 if (!JPWL_ASSUME) {
2400 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
2401 return OPJ_FALSE;
2402 }
2403 }
2404 }
2405#endif /* USE_JPWL */
2406
2407 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps =
2408 (opj_tccp_t*) opj_calloc(l_image->numcomps, sizeof(opj_tccp_t));
2409 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps == 00) {
2410 opj_event_msg(p_manager, EVT_ERROR,
2411 "Not enough memory to take in charge SIZ marker\n");
2412 return OPJ_FALSE;
2413 }
2414
2415 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records =
2416 (opj_mct_data_t*)opj_calloc(OPJ_J2K_MCT_DEFAULT_NB_RECORDS,
2417 sizeof(opj_mct_data_t));
2418
2419 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mct_records) {
2420 opj_event_msg(p_manager, EVT_ERROR,
2421 "Not enough memory to take in charge SIZ marker\n");
2422 return OPJ_FALSE;
2423 }
2424 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mct_records =
2425 OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
2426
2427 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records =
2428 (opj_simple_mcc_decorrelation_data_t*)
2429 opj_calloc(OPJ_J2K_MCC_DEFAULT_NB_RECORDS,
2430 sizeof(opj_simple_mcc_decorrelation_data_t));
2431
2432 if (! p_j2k->m_specific_param.m_decoder.m_default_tcp->m_mcc_records) {
2433 opj_event_msg(p_manager, EVT_ERROR,
2434 "Not enough memory to take in charge SIZ marker\n");
2435 return OPJ_FALSE;
2436 }
2437 p_j2k->m_specific_param.m_decoder.m_default_tcp->m_nb_max_mcc_records =
2438 OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
2439
2440 /* set up default dc level shift */
2441 for (i = 0; i < l_image->numcomps; ++i) {
2442 if (! l_image->comps[i].sgnd) {
2443 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[i].m_dc_level_shift = 1
2444 << (l_image->comps[i].prec - 1);
2445 }
2446 }
2447
2448 l_current_tile_param = l_cp->tcps;
2449 for (i = 0; i < l_nb_tiles; ++i) {
2450 l_current_tile_param->tccps = (opj_tccp_t*) opj_calloc(l_image->numcomps,
2451 sizeof(opj_tccp_t));
2452 if (l_current_tile_param->tccps == 00) {
2453 opj_event_msg(p_manager, EVT_ERROR,
2454 "Not enough memory to take in charge SIZ marker\n");
2455 return OPJ_FALSE;
2456 }
2457
2458 ++l_current_tile_param;
2459 }
2460
2461 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MH;
2462 opj_image_comp_header_update(l_image, l_cp);
2463
2464 return OPJ_TRUE;
2465}
2466
2467static OPJ_BOOL opj_j2k_write_com(opj_j2k_t *p_j2k,
2468 opj_stream_private_t *p_stream,
2469 opj_event_mgr_t * p_manager
2470 )
2471{
2472 OPJ_UINT32 l_comment_size;
2473 OPJ_UINT32 l_total_com_size;
2474 const OPJ_CHAR *l_comment;
2475 OPJ_BYTE * l_current_ptr = 00;
2476
2477 /* preconditions */
2478 assert(p_j2k != 00);
2479 assert(p_stream != 00);
2480 assert(p_manager != 00);
2481
2482 l_comment = p_j2k->m_cp.comment;
2483 l_comment_size = (OPJ_UINT32)strlen(l_comment);
2484 l_total_com_size = l_comment_size + 6;
2485
2486 if (l_total_com_size >
2487 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2488 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2489 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size);
2490 if (! new_header_tile_data) {
2491 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2492 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2493 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2494 opj_event_msg(p_manager, EVT_ERROR,
2495 "Not enough memory to write the COM marker\n");
2496 return OPJ_FALSE;
2497 }
2498 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2499 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_total_com_size;
2500 }
2501
2502 l_current_ptr = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2503
2504 opj_write_bytes(l_current_ptr, J2K_MS_COM, 2); /* COM */
2505 l_current_ptr += 2;
2506
2507 opj_write_bytes(l_current_ptr, l_total_com_size - 2, 2); /* L_COM */
2508 l_current_ptr += 2;
2509
2510 opj_write_bytes(l_current_ptr, 1,
2511 2); /* General use (IS 8859-15:1999 (Latin) values) */
2512 l_current_ptr += 2;
2513
2514 memcpy(l_current_ptr, l_comment, l_comment_size);
2515
2516 if (opj_stream_write_data(p_stream,
2517 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_total_com_size,
2518 p_manager) != l_total_com_size) {
2519 return OPJ_FALSE;
2520 }
2521
2522 return OPJ_TRUE;
2523}
2524
2525/**
2526 * Reads a COM marker (comments)
2527 * @param p_j2k the jpeg2000 file codec.
2528 * @param p_header_data the data contained in the COM box.
2529 * @param p_header_size the size of the data contained in the COM marker.
2530 * @param p_manager the user event manager.
2531*/
2532static OPJ_BOOL opj_j2k_read_com(opj_j2k_t *p_j2k,
2533 OPJ_BYTE * p_header_data,
2534 OPJ_UINT32 p_header_size,
2535 opj_event_mgr_t * p_manager
2536 )
2537{
2538 /* preconditions */
2539 assert(p_j2k != 00);
2540 assert(p_manager != 00);
2541 assert(p_header_data != 00);
2542
2543 OPJ_UNUSED(p_j2k);
2544 OPJ_UNUSED(p_header_data);
2545 OPJ_UNUSED(p_header_size);
2546 OPJ_UNUSED(p_manager);
2547
2548 return OPJ_TRUE;
2549}
2550
2551static OPJ_BOOL opj_j2k_write_cod(opj_j2k_t *p_j2k,
2552 opj_stream_private_t *p_stream,
2553 opj_event_mgr_t * p_manager)
2554{
2555 opj_cp_t *l_cp = 00;
2556 opj_tcp_t *l_tcp = 00;
2557 OPJ_UINT32 l_code_size, l_remaining_size;
2558 OPJ_BYTE * l_current_data = 00;
2559
2560 /* preconditions */
2561 assert(p_j2k != 00);
2562 assert(p_manager != 00);
2563 assert(p_stream != 00);
2564
2565 l_cp = &(p_j2k->m_cp);
2566 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2567 l_code_size = 9 + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2568 p_j2k->m_current_tile_number, 0);
2569 l_remaining_size = l_code_size;
2570
2571 if (l_code_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2572 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2573 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size);
2574 if (! new_header_tile_data) {
2575 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2576 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2577 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2578 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COD marker\n");
2579 return OPJ_FALSE;
2580 }
2581 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2582 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_code_size;
2583 }
2584
2585 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2586
2587 opj_write_bytes(l_current_data, J2K_MS_COD, 2); /* COD */
2588 l_current_data += 2;
2589
2590 opj_write_bytes(l_current_data, l_code_size - 2, 2); /* L_COD */
2591 l_current_data += 2;
2592
2593 opj_write_bytes(l_current_data, l_tcp->csty, 1); /* Scod */
2594 ++l_current_data;
2595
2596 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tcp->prg, 1); /* SGcod (A) */
2597 ++l_current_data;
2598
2599 opj_write_bytes(l_current_data, l_tcp->numlayers, 2); /* SGcod (B) */
2600 l_current_data += 2;
2601
2602 opj_write_bytes(l_current_data, l_tcp->mct, 1); /* SGcod (C) */
2603 ++l_current_data;
2604
2605 l_remaining_size -= 9;
2606
2607 if (! opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
2608 l_current_data, &l_remaining_size, p_manager)) {
2609 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2610 return OPJ_FALSE;
2611 }
2612
2613 if (l_remaining_size != 0) {
2614 opj_event_msg(p_manager, EVT_ERROR, "Error writing COD marker\n");
2615 return OPJ_FALSE;
2616 }
2617
2618 if (opj_stream_write_data(p_stream,
2619 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_code_size,
2620 p_manager) != l_code_size) {
2621 return OPJ_FALSE;
2622 }
2623
2624 return OPJ_TRUE;
2625}
2626
2627/**
2628 * Reads a COD marker (Coding Styke defaults)
2629 * @param p_header_data the data contained in the COD box.
2630 * @param p_j2k the jpeg2000 codec.
2631 * @param p_header_size the size of the data contained in the COD marker.
2632 * @param p_manager the user event manager.
2633*/
2634static OPJ_BOOL opj_j2k_read_cod(opj_j2k_t *p_j2k,
2635 OPJ_BYTE * p_header_data,
2636 OPJ_UINT32 p_header_size,
2637 opj_event_mgr_t * p_manager
2638 )
2639{
2640 /* loop */
2641 OPJ_UINT32 i;
2642 OPJ_UINT32 l_tmp;
2643 opj_cp_t *l_cp = 00;
2644 opj_tcp_t *l_tcp = 00;
2645 opj_image_t *l_image = 00;
2646
2647 /* preconditions */
2648 assert(p_header_data != 00);
2649 assert(p_j2k != 00);
2650 assert(p_manager != 00);
2651
2652 l_image = p_j2k->m_private_image;
2653 l_cp = &(p_j2k->m_cp);
2654
2655 /* If we are in the first tile-part header of the current tile */
2656 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
2657 &l_cp->tcps[p_j2k->m_current_tile_number] :
2658 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2659
2660 /* Only one COD per tile */
2661 if (l_tcp->cod) {
2662 opj_event_msg(p_manager, EVT_ERROR,
2663 "COD marker already read. No more than one COD marker per tile.\n");
2664 return OPJ_FALSE;
2665 }
2666 l_tcp->cod = 1;
2667
2668 /* Make sure room is sufficient */
2669 if (p_header_size < 5) {
2670 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2671 return OPJ_FALSE;
2672 }
2673
2674 opj_read_bytes(p_header_data, &l_tcp->csty, 1); /* Scod */
2675 ++p_header_data;
2676 /* Make sure we know how to decode this */
2677 if ((l_tcp->csty & ~(OPJ_UINT32)(J2K_CP_CSTY_PRT | J2K_CP_CSTY_SOP |
2678 J2K_CP_CSTY_EPH)) != 0U) {
2679 opj_event_msg(p_manager, EVT_ERROR, "Unknown Scod value in COD marker\n");
2680 return OPJ_FALSE;
2681 }
2682 opj_read_bytes(p_header_data, &l_tmp, 1); /* SGcod (A) */
2683 ++p_header_data;
2684 l_tcp->prg = (OPJ_PROG_ORDER) l_tmp;
2685 /* Make sure progression order is valid */
2686 if (l_tcp->prg > OPJ_CPRL) {
2687 opj_event_msg(p_manager, EVT_ERROR,
2688 "Unknown progression order in COD marker\n");
2689 l_tcp->prg = OPJ_PROG_UNKNOWN;
2690 }
2691 opj_read_bytes(p_header_data, &l_tcp->numlayers, 2); /* SGcod (B) */
2692 p_header_data += 2;
2693
2694 if ((l_tcp->numlayers < 1U) || (l_tcp->numlayers > 65535U)) {
2695 opj_event_msg(p_manager, EVT_ERROR,
2696 "Invalid number of layers in COD marker : %d not in range [1-65535]\n",
2697 l_tcp->numlayers);
2698 return OPJ_FALSE;
2699 }
2700
2701 /* If user didn't set a number layer to decode take the max specify in the codestream. */
2702 if (l_cp->m_specific_param.m_dec.m_layer) {
2703 l_tcp->num_layers_to_decode = l_cp->m_specific_param.m_dec.m_layer;
2704 } else {
2705 l_tcp->num_layers_to_decode = l_tcp->numlayers;
2706 }
2707
2708 opj_read_bytes(p_header_data, &l_tcp->mct, 1); /* SGcod (C) */
2709 ++p_header_data;
2710
2711 p_header_size -= 5;
2712 for (i = 0; i < l_image->numcomps; ++i) {
2713 l_tcp->tccps[i].csty = l_tcp->csty & J2K_CCP_CSTY_PRT;
2714 }
2715
2716 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, 0, p_header_data, &p_header_size,
2717 p_manager)) {
2718 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2719 return OPJ_FALSE;
2720 }
2721
2722 if (p_header_size != 0) {
2723 opj_event_msg(p_manager, EVT_ERROR, "Error reading COD marker\n");
2724 return OPJ_FALSE;
2725 }
2726
2727 /* Apply the coding style to other components of the current tile or the m_default_tcp*/
2728 opj_j2k_copy_tile_component_parameters(p_j2k);
2729
2730 /* Index */
2731#ifdef WIP_REMOVE_MSD
2732 if (p_j2k->cstr_info) {
2733 /*opj_codestream_info_t *l_cstr_info = p_j2k->cstr_info;*/
2734 p_j2k->cstr_info->prog = l_tcp->prg;
2735 p_j2k->cstr_info->numlayers = l_tcp->numlayers;
2736 p_j2k->cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(
2737 l_image->numcomps * sizeof(OPJ_UINT32));
2738 if (!p_j2k->cstr_info->numdecompos) {
2739 return OPJ_FALSE;
2740 }
2741 for (i = 0; i < l_image->numcomps; ++i) {
2742 p_j2k->cstr_info->numdecompos[i] = l_tcp->tccps[i].numresolutions - 1;
2743 }
2744 }
2745#endif
2746
2747 return OPJ_TRUE;
2748}
2749
2750static OPJ_BOOL opj_j2k_write_coc(opj_j2k_t *p_j2k,
2751 OPJ_UINT32 p_comp_no,
2752 opj_stream_private_t *p_stream,
2753 opj_event_mgr_t * p_manager)
2754{
2755 OPJ_UINT32 l_coc_size, l_remaining_size;
2756 OPJ_UINT32 l_comp_room;
2757
2758 /* preconditions */
2759 assert(p_j2k != 00);
2760 assert(p_manager != 00);
2761 assert(p_stream != 00);
2762
2763 l_comp_room = (p_j2k->m_private_image->numcomps <= 256) ? 1 : 2;
2764
2765 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2766 p_j2k->m_current_tile_number, p_comp_no);
2767
2768 if (l_coc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2769 OPJ_BYTE *new_header_tile_data;
2770 /*p_j2k->m_specific_param.m_encoder.m_header_tile_data
2771 = (OPJ_BYTE*)opj_realloc(
2772 p_j2k->m_specific_param.m_encoder.m_header_tile_data,
2773 l_coc_size);*/
2774
2775 new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2776 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size);
2777 if (! new_header_tile_data) {
2778 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2779 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2780 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2781 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write COC marker\n");
2782 return OPJ_FALSE;
2783 }
2784 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2785 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_coc_size;
2786 }
2787
2788 opj_j2k_write_coc_in_memory(p_j2k, p_comp_no,
2789 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
2790 p_manager);
2791
2792 if (opj_stream_write_data(p_stream,
2793 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_coc_size,
2794 p_manager) != l_coc_size) {
2795 return OPJ_FALSE;
2796 }
2797
2798 return OPJ_TRUE;
2799}
2800
2801static OPJ_BOOL opj_j2k_compare_coc(opj_j2k_t *p_j2k,
2802 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
2803{
2804 opj_cp_t *l_cp = NULL;
2805 opj_tcp_t *l_tcp = NULL;
2806
2807 /* preconditions */
2808 assert(p_j2k != 00);
2809
2810 l_cp = &(p_j2k->m_cp);
2811 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2812
2813 if (l_tcp->tccps[p_first_comp_no].csty != l_tcp->tccps[p_second_comp_no].csty) {
2814 return OPJ_FALSE;
2815 }
2816
2817
2818 return opj_j2k_compare_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number,
2819 p_first_comp_no, p_second_comp_no);
2820}
2821
2822static void opj_j2k_write_coc_in_memory(opj_j2k_t *p_j2k,
2823 OPJ_UINT32 p_comp_no,
2824 OPJ_BYTE * p_data,
2825 OPJ_UINT32 * p_data_written,
2826 opj_event_mgr_t * p_manager
2827 )
2828{
2829 opj_cp_t *l_cp = 00;
2830 opj_tcp_t *l_tcp = 00;
2831 OPJ_UINT32 l_coc_size, l_remaining_size;
2832 OPJ_BYTE * l_current_data = 00;
2833 opj_image_t *l_image = 00;
2834 OPJ_UINT32 l_comp_room;
2835
2836 /* preconditions */
2837 assert(p_j2k != 00);
2838 assert(p_manager != 00);
2839
2840 l_cp = &(p_j2k->m_cp);
2841 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
2842 l_image = p_j2k->m_private_image;
2843 l_comp_room = (l_image->numcomps <= 256) ? 1 : 2;
2844
2845 l_coc_size = 5 + l_comp_room + opj_j2k_get_SPCod_SPCoc_size(p_j2k,
2846 p_j2k->m_current_tile_number, p_comp_no);
2847 l_remaining_size = l_coc_size;
2848
2849 l_current_data = p_data;
2850
2851 opj_write_bytes(l_current_data, J2K_MS_COC,
2852 2); /* COC */
2853 l_current_data += 2;
2854
2855 opj_write_bytes(l_current_data, l_coc_size - 2,
2856 2); /* L_COC */
2857 l_current_data += 2;
2858
2859 opj_write_bytes(l_current_data, p_comp_no, l_comp_room); /* Ccoc */
2860 l_current_data += l_comp_room;
2861
2862 opj_write_bytes(l_current_data, l_tcp->tccps[p_comp_no].csty,
2863 1); /* Scoc */
2864 ++l_current_data;
2865
2866 l_remaining_size -= (5 + l_comp_room);
2867 opj_j2k_write_SPCod_SPCoc(p_j2k, p_j2k->m_current_tile_number, 0,
2868 l_current_data, &l_remaining_size, p_manager);
2869 * p_data_written = l_coc_size;
2870}
2871
2872static OPJ_UINT32 opj_j2k_get_max_coc_size(opj_j2k_t *p_j2k)
2873{
2874 OPJ_UINT32 i, j;
2875 OPJ_UINT32 l_nb_comp;
2876 OPJ_UINT32 l_nb_tiles;
2877 OPJ_UINT32 l_max = 0;
2878
2879 /* preconditions */
2880
2881 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
2882 l_nb_comp = p_j2k->m_private_image->numcomps;
2883
2884 for (i = 0; i < l_nb_tiles; ++i) {
2885 for (j = 0; j < l_nb_comp; ++j) {
2886 l_max = opj_uint_max(l_max, opj_j2k_get_SPCod_SPCoc_size(p_j2k, i, j));
2887 }
2888 }
2889
2890 return 6 + l_max;
2891}
2892
2893/**
2894 * Reads a COC marker (Coding Style Component)
2895 * @param p_header_data the data contained in the COC box.
2896 * @param p_j2k the jpeg2000 codec.
2897 * @param p_header_size the size of the data contained in the COC marker.
2898 * @param p_manager the user event manager.
2899*/
2900static OPJ_BOOL opj_j2k_read_coc(opj_j2k_t *p_j2k,
2901 OPJ_BYTE * p_header_data,
2902 OPJ_UINT32 p_header_size,
2903 opj_event_mgr_t * p_manager
2904 )
2905{
2906 opj_cp_t *l_cp = NULL;
2907 opj_tcp_t *l_tcp = NULL;
2908 opj_image_t *l_image = NULL;
2909 OPJ_UINT32 l_comp_room;
2910 OPJ_UINT32 l_comp_no;
2911
2912 /* preconditions */
2913 assert(p_header_data != 00);
2914 assert(p_j2k != 00);
2915 assert(p_manager != 00);
2916
2917 l_cp = &(p_j2k->m_cp);
2918 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
2919 ?
2920 &l_cp->tcps[p_j2k->m_current_tile_number] :
2921 p_j2k->m_specific_param.m_decoder.m_default_tcp;
2922 l_image = p_j2k->m_private_image;
2923
2924 l_comp_room = l_image->numcomps <= 256 ? 1 : 2;
2925
2926 /* make sure room is sufficient*/
2927 if (p_header_size < l_comp_room + 1) {
2928 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2929 return OPJ_FALSE;
2930 }
2931 p_header_size -= l_comp_room + 1;
2932
2933 opj_read_bytes(p_header_data, &l_comp_no,
2934 l_comp_room); /* Ccoc */
2935 p_header_data += l_comp_room;
2936 if (l_comp_no >= l_image->numcomps) {
2937 opj_event_msg(p_manager, EVT_ERROR,
2938 "Error reading COC marker (bad number of components)\n");
2939 return OPJ_FALSE;
2940 }
2941
2942 opj_read_bytes(p_header_data, &l_tcp->tccps[l_comp_no].csty,
2943 1); /* Scoc */
2944 ++p_header_data ;
2945
2946 if (! opj_j2k_read_SPCod_SPCoc(p_j2k, l_comp_no, p_header_data, &p_header_size,
2947 p_manager)) {
2948 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2949 return OPJ_FALSE;
2950 }
2951
2952 if (p_header_size != 0) {
2953 opj_event_msg(p_manager, EVT_ERROR, "Error reading COC marker\n");
2954 return OPJ_FALSE;
2955 }
2956 return OPJ_TRUE;
2957}
2958
2959static OPJ_BOOL opj_j2k_write_qcd(opj_j2k_t *p_j2k,
2960 opj_stream_private_t *p_stream,
2961 opj_event_mgr_t * p_manager
2962 )
2963{
2964 OPJ_UINT32 l_qcd_size, l_remaining_size;
2965 OPJ_BYTE * l_current_data = 00;
2966
2967 /* preconditions */
2968 assert(p_j2k != 00);
2969 assert(p_manager != 00);
2970 assert(p_stream != 00);
2971
2972 l_qcd_size = 4 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
2973 0);
2974 l_remaining_size = l_qcd_size;
2975
2976 if (l_qcd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
2977 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
2978 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size);
2979 if (! new_header_tile_data) {
2980 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
2981 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
2982 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
2983 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCD marker\n");
2984 return OPJ_FALSE;
2985 }
2986 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
2987 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcd_size;
2988 }
2989
2990 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
2991
2992 opj_write_bytes(l_current_data, J2K_MS_QCD, 2); /* QCD */
2993 l_current_data += 2;
2994
2995 opj_write_bytes(l_current_data, l_qcd_size - 2, 2); /* L_QCD */
2996 l_current_data += 2;
2997
2998 l_remaining_size -= 4;
2999
3000 if (! opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, 0,
3001 l_current_data, &l_remaining_size, p_manager)) {
3002 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
3003 return OPJ_FALSE;
3004 }
3005
3006 if (l_remaining_size != 0) {
3007 opj_event_msg(p_manager, EVT_ERROR, "Error writing QCD marker\n");
3008 return OPJ_FALSE;
3009 }
3010
3011 if (opj_stream_write_data(p_stream,
3012 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcd_size,
3013 p_manager) != l_qcd_size) {
3014 return OPJ_FALSE;
3015 }
3016
3017 return OPJ_TRUE;
3018}
3019
3020/**
3021 * Reads a QCD marker (Quantization defaults)
3022 * @param p_header_data the data contained in the QCD box.
3023 * @param p_j2k the jpeg2000 codec.
3024 * @param p_header_size the size of the data contained in the QCD marker.
3025 * @param p_manager the user event manager.
3026*/
3027static OPJ_BOOL opj_j2k_read_qcd(opj_j2k_t *p_j2k,
3028 OPJ_BYTE * p_header_data,
3029 OPJ_UINT32 p_header_size,
3030 opj_event_mgr_t * p_manager
3031 )
3032{
3033 /* preconditions */
3034 assert(p_header_data != 00);
3035 assert(p_j2k != 00);
3036 assert(p_manager != 00);
3037
3038 if (! opj_j2k_read_SQcd_SQcc(p_j2k, 0, p_header_data, &p_header_size,
3039 p_manager)) {
3040 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
3041 return OPJ_FALSE;
3042 }
3043
3044 if (p_header_size != 0) {
3045 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCD marker\n");
3046 return OPJ_FALSE;
3047 }
3048
3049 /* Apply the quantization parameters to other components of the current tile or the m_default_tcp */
3050 opj_j2k_copy_tile_quantization_parameters(p_j2k);
3051
3052 return OPJ_TRUE;
3053}
3054
3055static OPJ_BOOL opj_j2k_write_qcc(opj_j2k_t *p_j2k,
3056 OPJ_UINT32 p_comp_no,
3057 opj_stream_private_t *p_stream,
3058 opj_event_mgr_t * p_manager
3059 )
3060{
3061 OPJ_UINT32 l_qcc_size, l_remaining_size;
3062
3063 /* preconditions */
3064 assert(p_j2k != 00);
3065 assert(p_manager != 00);
3066 assert(p_stream != 00);
3067
3068 l_qcc_size = 5 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3069 p_comp_no);
3070 l_qcc_size += p_j2k->m_private_image->numcomps <= 256 ? 0 : 1;
3071 l_remaining_size = l_qcc_size;
3072
3073 if (l_qcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3074 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3075 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size);
3076 if (! new_header_tile_data) {
3077 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3078 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3079 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3080 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write QCC marker\n");
3081 return OPJ_FALSE;
3082 }
3083 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3084 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_qcc_size;
3085 }
3086
3087 opj_j2k_write_qcc_in_memory(p_j2k, p_comp_no,
3088 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_remaining_size,
3089 p_manager);
3090
3091 if (opj_stream_write_data(p_stream,
3092 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_qcc_size,
3093 p_manager) != l_qcc_size) {
3094 return OPJ_FALSE;
3095 }
3096
3097 return OPJ_TRUE;
3098}
3099
3100static OPJ_BOOL opj_j2k_compare_qcc(opj_j2k_t *p_j2k,
3101 OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
3102{
3103 return opj_j2k_compare_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number,
3104 p_first_comp_no, p_second_comp_no);
3105}
3106
3107static void opj_j2k_write_qcc_in_memory(opj_j2k_t *p_j2k,
3108 OPJ_UINT32 p_comp_no,
3109 OPJ_BYTE * p_data,
3110 OPJ_UINT32 * p_data_written,
3111 opj_event_mgr_t * p_manager
3112 )
3113{
3114 OPJ_UINT32 l_qcc_size, l_remaining_size;
3115 OPJ_BYTE * l_current_data = 00;
3116
3117 /* preconditions */
3118 assert(p_j2k != 00);
3119 assert(p_manager != 00);
3120
3121 l_qcc_size = 6 + opj_j2k_get_SQcd_SQcc_size(p_j2k, p_j2k->m_current_tile_number,
3122 p_comp_no);
3123 l_remaining_size = l_qcc_size;
3124
3125 l_current_data = p_data;
3126
3127 opj_write_bytes(l_current_data, J2K_MS_QCC, 2); /* QCC */
3128 l_current_data += 2;
3129
3130 if (p_j2k->m_private_image->numcomps <= 256) {
3131 --l_qcc_size;
3132
3133 opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
3134 l_current_data += 2;
3135
3136 opj_write_bytes(l_current_data, p_comp_no, 1); /* Cqcc */
3137 ++l_current_data;
3138
3139 /* in the case only one byte is sufficient the last byte allocated is useless -> still do -6 for available */
3140 l_remaining_size -= 6;
3141 } else {
3142 opj_write_bytes(l_current_data, l_qcc_size - 2, 2); /* L_QCC */
3143 l_current_data += 2;
3144
3145 opj_write_bytes(l_current_data, p_comp_no, 2); /* Cqcc */
3146 l_current_data += 2;
3147
3148 l_remaining_size -= 6;
3149 }
3150
3151 opj_j2k_write_SQcd_SQcc(p_j2k, p_j2k->m_current_tile_number, p_comp_no,
3152 l_current_data, &l_remaining_size, p_manager);
3153
3154 *p_data_written = l_qcc_size;
3155}
3156
3157static OPJ_UINT32 opj_j2k_get_max_qcc_size(opj_j2k_t *p_j2k)
3158{
3159 return opj_j2k_get_max_coc_size(p_j2k);
3160}
3161
3162/**
3163 * Reads a QCC marker (Quantization component)
3164 * @param p_header_data the data contained in the QCC box.
3165 * @param p_j2k the jpeg2000 codec.
3166 * @param p_header_size the size of the data contained in the QCC marker.
3167 * @param p_manager the user event manager.
3168*/
3169static OPJ_BOOL opj_j2k_read_qcc(opj_j2k_t *p_j2k,
3170 OPJ_BYTE * p_header_data,
3171 OPJ_UINT32 p_header_size,
3172 opj_event_mgr_t * p_manager
3173 )
3174{
3175 OPJ_UINT32 l_num_comp, l_comp_no;
3176
3177 /* preconditions */
3178 assert(p_header_data != 00);
3179 assert(p_j2k != 00);
3180 assert(p_manager != 00);
3181
3182 l_num_comp = p_j2k->m_private_image->numcomps;
3183
3184 if (l_num_comp <= 256) {
3185 if (p_header_size < 1) {
3186 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3187 return OPJ_FALSE;
3188 }
3189 opj_read_bytes(p_header_data, &l_comp_no, 1);
3190 ++p_header_data;
3191 --p_header_size;
3192 } else {
3193 if (p_header_size < 2) {
3194 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3195 return OPJ_FALSE;
3196 }
3197 opj_read_bytes(p_header_data, &l_comp_no, 2);
3198 p_header_data += 2;
3199 p_header_size -= 2;
3200 }
3201
3202#ifdef USE_JPWL
3203 if (p_j2k->m_cp.correct) {
3204
3205 static OPJ_UINT32 backup_compno = 0;
3206
3207 /* compno is negative or larger than the number of components!!! */
3208 if (/*(l_comp_no < 0) ||*/ (l_comp_no >= l_num_comp)) {
3209 opj_event_msg(p_manager, EVT_ERROR,
3210 "JPWL: bad component number in QCC (%d out of a maximum of %d)\n",
3211 l_comp_no, l_num_comp);
3212 if (!JPWL_ASSUME) {
3213 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
3214 return OPJ_FALSE;
3215 }
3216 /* we try to correct */
3217 l_comp_no = backup_compno % l_num_comp;
3218 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
3219 "- setting component number to %d\n",
3220 l_comp_no);
3221 }
3222
3223 /* keep your private count of tiles */
3224 backup_compno++;
3225 };
3226#endif /* USE_JPWL */
3227
3228 if (l_comp_no >= p_j2k->m_private_image->numcomps) {
3229 opj_event_msg(p_manager, EVT_ERROR,
3230 "Invalid component number: %d, regarding the number of components %d\n",
3231 l_comp_no, p_j2k->m_private_image->numcomps);
3232 return OPJ_FALSE;
3233 }
3234
3235 if (! opj_j2k_read_SQcd_SQcc(p_j2k, l_comp_no, p_header_data, &p_header_size,
3236 p_manager)) {
3237 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3238 return OPJ_FALSE;
3239 }
3240
3241 if (p_header_size != 0) {
3242 opj_event_msg(p_manager, EVT_ERROR, "Error reading QCC marker\n");
3243 return OPJ_FALSE;
3244 }
3245
3246 return OPJ_TRUE;
3247}
3248
3249static OPJ_BOOL opj_j2k_write_poc(opj_j2k_t *p_j2k,
3250 opj_stream_private_t *p_stream,
3251 opj_event_mgr_t * p_manager
3252 )
3253{
3254 OPJ_UINT32 l_nb_comp;
3255 OPJ_UINT32 l_nb_poc;
3256 OPJ_UINT32 l_poc_size;
3257 OPJ_UINT32 l_written_size = 0;
3258 opj_tcp_t *l_tcp = 00;
3259 OPJ_UINT32 l_poc_room;
3260
3261 /* preconditions */
3262 assert(p_j2k != 00);
3263 assert(p_manager != 00);
3264 assert(p_stream != 00);
3265
3266 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3267 l_nb_comp = p_j2k->m_private_image->numcomps;
3268 l_nb_poc = 1 + l_tcp->numpocs;
3269
3270 if (l_nb_comp <= 256) {
3271 l_poc_room = 1;
3272 } else {
3273 l_poc_room = 2;
3274 }
3275 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3276
3277 if (l_poc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
3278 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
3279 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size);
3280 if (! new_header_tile_data) {
3281 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
3282 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
3283 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
3284 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write POC marker\n");
3285 return OPJ_FALSE;
3286 }
3287 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
3288 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_poc_size;
3289 }
3290
3291 opj_j2k_write_poc_in_memory(p_j2k,
3292 p_j2k->m_specific_param.m_encoder.m_header_tile_data, &l_written_size,
3293 p_manager);
3294
3295 if (opj_stream_write_data(p_stream,
3296 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_poc_size,
3297 p_manager) != l_poc_size) {
3298 return OPJ_FALSE;
3299 }
3300
3301 return OPJ_TRUE;
3302}
3303
3304static void opj_j2k_write_poc_in_memory(opj_j2k_t *p_j2k,
3305 OPJ_BYTE * p_data,
3306 OPJ_UINT32 * p_data_written,
3307 opj_event_mgr_t * p_manager
3308 )
3309{
3310 OPJ_UINT32 i;
3311 OPJ_BYTE * l_current_data = 00;
3312 OPJ_UINT32 l_nb_comp;
3313 OPJ_UINT32 l_nb_poc;
3314 OPJ_UINT32 l_poc_size;
3315 opj_image_t *l_image = 00;
3316 opj_tcp_t *l_tcp = 00;
3317 opj_tccp_t *l_tccp = 00;
3318 opj_poc_t *l_current_poc = 00;
3319 OPJ_UINT32 l_poc_room;
3320
3321 /* preconditions */
3322 assert(p_j2k != 00);
3323 assert(p_manager != 00);
3324
3325 OPJ_UNUSED(p_manager);
3326
3327 l_tcp = &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number];
3328 l_tccp = &l_tcp->tccps[0];
3329 l_image = p_j2k->m_private_image;
3330 l_nb_comp = l_image->numcomps;
3331 l_nb_poc = 1 + l_tcp->numpocs;
3332
3333 if (l_nb_comp <= 256) {
3334 l_poc_room = 1;
3335 } else {
3336 l_poc_room = 2;
3337 }
3338
3339 l_poc_size = 4 + (5 + 2 * l_poc_room) * l_nb_poc;
3340
3341 l_current_data = p_data;
3342
3343 opj_write_bytes(l_current_data, J2K_MS_POC,
3344 2); /* POC */
3345 l_current_data += 2;
3346
3347 opj_write_bytes(l_current_data, l_poc_size - 2,
3348 2); /* Lpoc */
3349 l_current_data += 2;
3350
3351 l_current_poc = l_tcp->pocs;
3352 for (i = 0; i < l_nb_poc; ++i) {
3353 opj_write_bytes(l_current_data, l_current_poc->resno0,
3354 1); /* RSpoc_i */
3355 ++l_current_data;
3356
3357 opj_write_bytes(l_current_data, l_current_poc->compno0,
3358 l_poc_room); /* CSpoc_i */
3359 l_current_data += l_poc_room;
3360
3361 opj_write_bytes(l_current_data, l_current_poc->layno1,
3362 2); /* LYEpoc_i */
3363 l_current_data += 2;
3364
3365 opj_write_bytes(l_current_data, l_current_poc->resno1,
3366 1); /* REpoc_i */
3367 ++l_current_data;
3368
3369 opj_write_bytes(l_current_data, l_current_poc->compno1,
3370 l_poc_room); /* CEpoc_i */
3371 l_current_data += l_poc_room;
3372
3373 opj_write_bytes(l_current_data, (OPJ_UINT32)l_current_poc->prg,
3374 1); /* Ppoc_i */
3375 ++l_current_data;
3376
3377 /* change the value of the max layer according to the actual number of layers in the file, components and resolutions*/
3378 l_current_poc->layno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3379 l_current_poc->layno1, (OPJ_INT32)l_tcp->numlayers);
3380 l_current_poc->resno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3381 l_current_poc->resno1, (OPJ_INT32)l_tccp->numresolutions);
3382 l_current_poc->compno1 = (OPJ_UINT32)opj_int_min((OPJ_INT32)
3383 l_current_poc->compno1, (OPJ_INT32)l_nb_comp);
3384
3385 ++l_current_poc;
3386 }
3387
3388 *p_data_written = l_poc_size;
3389}
3390
3391static OPJ_UINT32 opj_j2k_get_max_poc_size(opj_j2k_t *p_j2k)
3392{
3393 opj_tcp_t * l_tcp = 00;
3394 OPJ_UINT32 l_nb_tiles = 0;
3395 OPJ_UINT32 l_max_poc = 0;
3396 OPJ_UINT32 i;
3397
3398 l_tcp = p_j2k->m_cp.tcps;
3399 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
3400
3401 for (i = 0; i < l_nb_tiles; ++i) {
3402 l_max_poc = opj_uint_max(l_max_poc, l_tcp->numpocs);
3403 ++l_tcp;
3404 }
3405
3406 ++l_max_poc;
3407
3408 return 4 + 9 * l_max_poc;
3409}
3410
3411static OPJ_UINT32 opj_j2k_get_max_toc_size(opj_j2k_t *p_j2k)
3412{
3413 OPJ_UINT32 i;
3414 OPJ_UINT32 l_nb_tiles;
3415 OPJ_UINT32 l_max = 0;
3416 opj_tcp_t * l_tcp = 00;
3417
3418 l_tcp = p_j2k->m_cp.tcps;
3419 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th ;
3420
3421 for (i = 0; i < l_nb_tiles; ++i) {
3422 l_max = opj_uint_max(l_max, l_tcp->m_nb_tile_parts);
3423
3424 ++l_tcp;
3425 }
3426
3427 return 12 * l_max;
3428}
3429
3430static OPJ_UINT32 opj_j2k_get_specific_header_sizes(opj_j2k_t *p_j2k)
3431{
3432 OPJ_UINT32 l_nb_bytes = 0;
3433 OPJ_UINT32 l_nb_comps;
3434 OPJ_UINT32 l_coc_bytes, l_qcc_bytes;
3435
3436 l_nb_comps = p_j2k->m_private_image->numcomps - 1;
3437 l_nb_bytes += opj_j2k_get_max_toc_size(p_j2k);
3438
3439 if (!(OPJ_IS_CINEMA(p_j2k->m_cp.rsiz))) {
3440 l_coc_bytes = opj_j2k_get_max_coc_size(p_j2k);
3441 l_nb_bytes += l_nb_comps * l_coc_bytes;
3442
3443 l_qcc_bytes = opj_j2k_get_max_qcc_size(p_j2k);
3444 l_nb_bytes += l_nb_comps * l_qcc_bytes;
3445 }
3446
3447 l_nb_bytes += opj_j2k_get_max_poc_size(p_j2k);
3448
3449 /*** DEVELOPER CORNER, Add room for your headers ***/
3450
3451 return l_nb_bytes;
3452}
3453
3454/**
3455 * Reads a POC marker (Progression Order Change)
3456 *
3457 * @param p_header_data the data contained in the POC box.
3458 * @param p_j2k the jpeg2000 codec.
3459 * @param p_header_size the size of the data contained in the POC marker.
3460 * @param p_manager the user event manager.
3461*/
3462static OPJ_BOOL opj_j2k_read_poc(opj_j2k_t *p_j2k,
3463 OPJ_BYTE * p_header_data,
3464 OPJ_UINT32 p_header_size,
3465 opj_event_mgr_t * p_manager
3466 )
3467{
3468 OPJ_UINT32 i, l_nb_comp, l_tmp;
3469 opj_image_t * l_image = 00;
3470 OPJ_UINT32 l_old_poc_nb, l_current_poc_nb, l_current_poc_remaining;
3471 OPJ_UINT32 l_chunk_size, l_comp_room;
3472
3473 opj_cp_t *l_cp = 00;
3474 opj_tcp_t *l_tcp = 00;
3475 opj_poc_t *l_current_poc = 00;
3476
3477 /* preconditions */
3478 assert(p_header_data != 00);
3479 assert(p_j2k != 00);
3480 assert(p_manager != 00);
3481
3482 l_image = p_j2k->m_private_image;
3483 l_nb_comp = l_image->numcomps;
3484 if (l_nb_comp <= 256) {
3485 l_comp_room = 1;
3486 } else {
3487 l_comp_room = 2;
3488 }
3489 l_chunk_size = 5 + 2 * l_comp_room;
3490 l_current_poc_nb = p_header_size / l_chunk_size;
3491 l_current_poc_remaining = p_header_size % l_chunk_size;
3492
3493 if ((l_current_poc_nb <= 0) || (l_current_poc_remaining != 0)) {
3494 opj_event_msg(p_manager, EVT_ERROR, "Error reading POC marker\n");
3495 return OPJ_FALSE;
3496 }
3497
3498 l_cp = &(p_j2k->m_cp);
3499 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
3500 &l_cp->tcps[p_j2k->m_current_tile_number] :
3501 p_j2k->m_specific_param.m_decoder.m_default_tcp;
3502 l_old_poc_nb = l_tcp->POC ? l_tcp->numpocs + 1 : 0;
3503 l_current_poc_nb += l_old_poc_nb;
3504
3505 if (l_current_poc_nb >= sizeof(l_tcp->pocs) / sizeof(l_tcp->pocs[0])) {
3506 opj_event_msg(p_manager, EVT_ERROR, "Too many POCs %d\n", l_current_poc_nb);
3507 return OPJ_FALSE;
3508 }
3509
3510 /* now poc is in use.*/
3511 l_tcp->POC = 1;
3512
3513 l_current_poc = &l_tcp->pocs[l_old_poc_nb];
3514 for (i = l_old_poc_nb; i < l_current_poc_nb; ++i) {
3515 opj_read_bytes(p_header_data, &(l_current_poc->resno0),
3516 1); /* RSpoc_i */
3517 ++p_header_data;
3518 opj_read_bytes(p_header_data, &(l_current_poc->compno0),
3519 l_comp_room); /* CSpoc_i */
3520 p_header_data += l_comp_room;
3521 opj_read_bytes(p_header_data, &(l_current_poc->layno1),
3522 2); /* LYEpoc_i */
3523 /* make sure layer end is in acceptable bounds */
3524 l_current_poc->layno1 = opj_uint_min(l_current_poc->layno1, l_tcp->numlayers);
3525 p_header_data += 2;
3526 opj_read_bytes(p_header_data, &(l_current_poc->resno1),
3527 1); /* REpoc_i */
3528 ++p_header_data;
3529 opj_read_bytes(p_header_data, &(l_current_poc->compno1),
3530 l_comp_room); /* CEpoc_i */
3531 p_header_data += l_comp_room;
3532 opj_read_bytes(p_header_data, &l_tmp,
3533 1); /* Ppoc_i */
3534 ++p_header_data;
3535 l_current_poc->prg = (OPJ_PROG_ORDER) l_tmp;
3536 /* make sure comp is in acceptable bounds */
3537 l_current_poc->compno1 = opj_uint_min(l_current_poc->compno1, l_nb_comp);
3538 ++l_current_poc;
3539 }
3540
3541 l_tcp->numpocs = l_current_poc_nb - 1;
3542 return OPJ_TRUE;
3543}
3544
3545/**
3546 * Reads a CRG marker (Component registration)
3547 *
3548 * @param p_header_data the data contained in the TLM box.
3549 * @param p_j2k the jpeg2000 codec.
3550 * @param p_header_size the size of the data contained in the TLM marker.
3551 * @param p_manager the user event manager.
3552*/
3553static OPJ_BOOL opj_j2k_read_crg(opj_j2k_t *p_j2k,
3554 OPJ_BYTE * p_header_data,
3555 OPJ_UINT32 p_header_size,
3556 opj_event_mgr_t * p_manager
3557 )
3558{
3559 OPJ_UINT32 l_nb_comp;
3560 /* preconditions */
3561 assert(p_header_data != 00);
3562 assert(p_j2k != 00);
3563 assert(p_manager != 00);
3564
3565 OPJ_UNUSED(p_header_data);
3566
3567 l_nb_comp = p_j2k->m_private_image->numcomps;
3568
3569 if (p_header_size != l_nb_comp * 4) {
3570 opj_event_msg(p_manager, EVT_ERROR, "Error reading CRG marker\n");
3571 return OPJ_FALSE;
3572 }
3573 /* Do not care of this at the moment since only local variables are set here */
3574 /*
3575 for
3576 (i = 0; i < l_nb_comp; ++i)
3577 {
3578 opj_read_bytes(p_header_data,&l_Xcrg_i,2); // Xcrg_i
3579 p_header_data+=2;
3580 opj_read_bytes(p_header_data,&l_Ycrg_i,2); // Xcrg_i
3581 p_header_data+=2;
3582 }
3583 */
3584 return OPJ_TRUE;
3585}
3586
3587/**
3588 * Reads a TLM marker (Tile Length Marker)
3589 *
3590 * @param p_header_data the data contained in the TLM box.
3591 * @param p_j2k the jpeg2000 codec.
3592 * @param p_header_size the size of the data contained in the TLM marker.
3593 * @param p_manager the user event manager.
3594*/
3595static OPJ_BOOL opj_j2k_read_tlm(opj_j2k_t *p_j2k,
3596 OPJ_BYTE * p_header_data,
3597 OPJ_UINT32 p_header_size,
3598 opj_event_mgr_t * p_manager
3599 )
3600{
3601 OPJ_UINT32 l_Ztlm, l_Stlm, l_ST, l_SP, l_tot_num_tp_remaining, l_quotient,
3602 l_Ptlm_size;
3603 /* preconditions */
3604 assert(p_header_data != 00);
3605 assert(p_j2k != 00);
3606 assert(p_manager != 00);
3607
3608 OPJ_UNUSED(p_j2k);
3609
3610 if (p_header_size < 2) {
3611 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
3612 return OPJ_FALSE;
3613 }
3614 p_header_size -= 2;
3615
3616 opj_read_bytes(p_header_data, &l_Ztlm,
3617 1); /* Ztlm */
3618 ++p_header_data;
3619 opj_read_bytes(p_header_data, &l_Stlm,
3620 1); /* Stlm */
3621 ++p_header_data;
3622
3623 l_ST = ((l_Stlm >> 4) & 0x3);
3624 l_SP = (l_Stlm >> 6) & 0x1;
3625
3626 l_Ptlm_size = (l_SP + 1) * 2;
3627 l_quotient = l_Ptlm_size + l_ST;
3628
3629 l_tot_num_tp_remaining = p_header_size % l_quotient;
3630
3631 if (l_tot_num_tp_remaining != 0) {
3632 opj_event_msg(p_manager, EVT_ERROR, "Error reading TLM marker\n");
3633 return OPJ_FALSE;
3634 }
3635 /* FIXME Do not care of this at the moment since only local variables are set here */
3636 /*
3637 for
3638 (i = 0; i < l_tot_num_tp; ++i)
3639 {
3640 opj_read_bytes(p_header_data,&l_Ttlm_i,l_ST); // Ttlm_i
3641 p_header_data += l_ST;
3642 opj_read_bytes(p_header_data,&l_Ptlm_i,l_Ptlm_size); // Ptlm_i
3643 p_header_data += l_Ptlm_size;
3644 }*/
3645 return OPJ_TRUE;
3646}
3647
3648/**
3649 * Reads a PLM marker (Packet length, main header marker)
3650 *
3651 * @param p_header_data the data contained in the TLM box.
3652 * @param p_j2k the jpeg2000 codec.
3653 * @param p_header_size the size of the data contained in the TLM marker.
3654 * @param p_manager the user event manager.
3655*/
3656static OPJ_BOOL opj_j2k_read_plm(opj_j2k_t *p_j2k,
3657 OPJ_BYTE * p_header_data,
3658 OPJ_UINT32 p_header_size,
3659 opj_event_mgr_t * p_manager
3660 )
3661{
3662 /* preconditions */
3663 assert(p_header_data != 00);
3664 assert(p_j2k != 00);
3665 assert(p_manager != 00);
3666
3667 OPJ_UNUSED(p_j2k);
3668 OPJ_UNUSED(p_header_data);
3669
3670 if (p_header_size < 1) {
3671 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3672 return OPJ_FALSE;
3673 }
3674 /* Do not care of this at the moment since only local variables are set here */
3675 /*
3676 opj_read_bytes(p_header_data,&l_Zplm,1); // Zplm
3677 ++p_header_data;
3678 --p_header_size;
3679
3680 while
3681 (p_header_size > 0)
3682 {
3683 opj_read_bytes(p_header_data,&l_Nplm,1); // Nplm
3684 ++p_header_data;
3685 p_header_size -= (1+l_Nplm);
3686 if
3687 (p_header_size < 0)
3688 {
3689 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3690 return false;
3691 }
3692 for
3693 (i = 0; i < l_Nplm; ++i)
3694 {
3695 opj_read_bytes(p_header_data,&l_tmp,1); // Iplm_ij
3696 ++p_header_data;
3697 // take only the last seven bytes
3698 l_packet_len |= (l_tmp & 0x7f);
3699 if
3700 (l_tmp & 0x80)
3701 {
3702 l_packet_len <<= 7;
3703 }
3704 else
3705 {
3706 // store packet length and proceed to next packet
3707 l_packet_len = 0;
3708 }
3709 }
3710 if
3711 (l_packet_len != 0)
3712 {
3713 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLM marker\n");
3714 return false;
3715 }
3716 }
3717 */
3718 return OPJ_TRUE;
3719}
3720
3721/**
3722 * Reads a PLT marker (Packet length, tile-part header)
3723 *
3724 * @param p_header_data the data contained in the PLT box.
3725 * @param p_j2k the jpeg2000 codec.
3726 * @param p_header_size the size of the data contained in the PLT marker.
3727 * @param p_manager the user event manager.
3728*/
3729static OPJ_BOOL opj_j2k_read_plt(opj_j2k_t *p_j2k,
3730 OPJ_BYTE * p_header_data,
3731 OPJ_UINT32 p_header_size,
3732 opj_event_mgr_t * p_manager
3733 )
3734{
3735 OPJ_UINT32 l_Zplt, l_tmp, l_packet_len = 0, i;
3736
3737 /* preconditions */
3738 assert(p_header_data != 00);
3739 assert(p_j2k != 00);
3740 assert(p_manager != 00);
3741
3742 OPJ_UNUSED(p_j2k);
3743
3744 if (p_header_size < 1) {
3745 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3746 return OPJ_FALSE;
3747 }
3748
3749 opj_read_bytes(p_header_data, &l_Zplt, 1); /* Zplt */
3750 ++p_header_data;
3751 --p_header_size;
3752
3753 for (i = 0; i < p_header_size; ++i) {
3754 opj_read_bytes(p_header_data, &l_tmp, 1); /* Iplt_ij */
3755 ++p_header_data;
3756 /* take only the last seven bytes */
3757 l_packet_len |= (l_tmp & 0x7f);
3758 if (l_tmp & 0x80) {
3759 l_packet_len <<= 7;
3760 } else {
3761 /* store packet length and proceed to next packet */
3762 l_packet_len = 0;
3763 }
3764 }
3765
3766 if (l_packet_len != 0) {
3767 opj_event_msg(p_manager, EVT_ERROR, "Error reading PLT marker\n");
3768 return OPJ_FALSE;
3769 }
3770
3771 return OPJ_TRUE;
3772}
3773
3774/**
3775 * Reads a PPM marker (Packed packet headers, main header)
3776 *
3777 * @param p_header_data the data contained in the POC box.
3778 * @param p_j2k the jpeg2000 codec.
3779 * @param p_header_size the size of the data contained in the POC marker.
3780 * @param p_manager the user event manager.
3781 */
3782
3783static OPJ_BOOL opj_j2k_read_ppm(
3784 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 opj_cp_t *l_cp = 00;
3790 OPJ_UINT32 l_Z_ppm;
3791
3792 /* preconditions */
3793 assert(p_header_data != 00);
3794 assert(p_j2k != 00);
3795 assert(p_manager != 00);
3796
3797 /* We need to have the Z_ppm element + 1 byte of Nppm/Ippm at minimum */
3798 if (p_header_size < 2) {
3799 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPM marker\n");
3800 return OPJ_FALSE;
3801 }
3802
3803 l_cp = &(p_j2k->m_cp);
3804 l_cp->ppm = 1;
3805
3806 opj_read_bytes(p_header_data, &l_Z_ppm, 1); /* Z_ppm */
3807 ++p_header_data;
3808 --p_header_size;
3809
3810 /* check allocation needed */
3811 if (l_cp->ppm_markers == NULL) { /* first PPM marker */
3812 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3813 assert(l_cp->ppm_markers_count == 0U);
3814
3815 l_cp->ppm_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
3816 if (l_cp->ppm_markers == NULL) {
3817 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3818 return OPJ_FALSE;
3819 }
3820 l_cp->ppm_markers_count = l_newCount;
3821 } else if (l_cp->ppm_markers_count <= l_Z_ppm) {
3822 OPJ_UINT32 l_newCount = l_Z_ppm + 1U; /* can't overflow, l_Z_ppm is UINT8 */
3823 opj_ppx *new_ppm_markers;
3824 new_ppm_markers = (opj_ppx *) opj_realloc(l_cp->ppm_markers,
3825 l_newCount * sizeof(opj_ppx));
3826 if (new_ppm_markers == NULL) {
3827 /* clean up to be done on l_cp destruction */
3828 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3829 return OPJ_FALSE;
3830 }
3831 l_cp->ppm_markers = new_ppm_markers;
3832 memset(l_cp->ppm_markers + l_cp->ppm_markers_count, 0,
3833 (l_newCount - l_cp->ppm_markers_count) * sizeof(opj_ppx));
3834 l_cp->ppm_markers_count = l_newCount;
3835 }
3836
3837 if (l_cp->ppm_markers[l_Z_ppm].m_data != NULL) {
3838 /* clean up to be done on l_cp destruction */
3839 opj_event_msg(p_manager, EVT_ERROR, "Zppm %u already read\n", l_Z_ppm);
3840 return OPJ_FALSE;
3841 }
3842
3843 l_cp->ppm_markers[l_Z_ppm].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
3844 if (l_cp->ppm_markers[l_Z_ppm].m_data == NULL) {
3845 /* clean up to be done on l_cp destruction */
3846 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3847 return OPJ_FALSE;
3848 }
3849 l_cp->ppm_markers[l_Z_ppm].m_data_size = p_header_size;
3850 memcpy(l_cp->ppm_markers[l_Z_ppm].m_data, p_header_data, p_header_size);
3851
3852 return OPJ_TRUE;
3853}
3854
3855/**
3856 * Merges all PPM markers read (Packed headers, main header)
3857 *
3858 * @param p_cp main coding parameters.
3859 * @param p_manager the user event manager.
3860 */
3861static OPJ_BOOL opj_j2k_merge_ppm(opj_cp_t *p_cp, opj_event_mgr_t * p_manager)
3862{
3863 OPJ_UINT32 i, l_ppm_data_size, l_N_ppm_remaining;
3864
3865 /* preconditions */
3866 assert(p_cp != 00);
3867 assert(p_manager != 00);
3868 assert(p_cp->ppm_buffer == NULL);
3869
3870 if (p_cp->ppm == 0U) {
3871 return OPJ_TRUE;
3872 }
3873
3874 l_ppm_data_size = 0U;
3875 l_N_ppm_remaining = 0U;
3876 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3877 if (p_cp->ppm_markers[i].m_data !=
3878 NULL) { /* standard doesn't seem to require contiguous Zppm */
3879 OPJ_UINT32 l_N_ppm;
3880 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3881 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3882
3883 if (l_N_ppm_remaining >= l_data_size) {
3884 l_N_ppm_remaining -= l_data_size;
3885 l_data_size = 0U;
3886 } else {
3887 l_data += l_N_ppm_remaining;
3888 l_data_size -= l_N_ppm_remaining;
3889 l_N_ppm_remaining = 0U;
3890 }
3891
3892 if (l_data_size > 0U) {
3893 do {
3894 /* read Nppm */
3895 if (l_data_size < 4U) {
3896 /* clean up to be done on l_cp destruction */
3897 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
3898 return OPJ_FALSE;
3899 }
3900 opj_read_bytes(l_data, &l_N_ppm, 4);
3901 l_data += 4;
3902 l_data_size -= 4;
3903 l_ppm_data_size +=
3904 l_N_ppm; /* can't overflow, max 256 markers of max 65536 bytes, that is when PPM markers are not corrupted which is checked elsewhere */
3905
3906 if (l_data_size >= l_N_ppm) {
3907 l_data_size -= l_N_ppm;
3908 l_data += l_N_ppm;
3909 } else {
3910 l_N_ppm_remaining = l_N_ppm - l_data_size;
3911 l_data_size = 0U;
3912 }
3913 } while (l_data_size > 0U);
3914 }
3915 }
3916 }
3917
3918 if (l_N_ppm_remaining != 0U) {
3919 /* clean up to be done on l_cp destruction */
3920 opj_event_msg(p_manager, EVT_ERROR, "Corrupted PPM markers\n");
3921 return OPJ_FALSE;
3922 }
3923
3924 p_cp->ppm_buffer = (OPJ_BYTE *) opj_malloc(l_ppm_data_size);
3925 if (p_cp->ppm_buffer == 00) {
3926 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPM marker\n");
3927 return OPJ_FALSE;
3928 }
3929 p_cp->ppm_len = l_ppm_data_size;
3930 l_ppm_data_size = 0U;
3931 l_N_ppm_remaining = 0U;
3932 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
3933 if (p_cp->ppm_markers[i].m_data !=
3934 NULL) { /* standard doesn't seem to require contiguous Zppm */
3935 OPJ_UINT32 l_N_ppm;
3936 OPJ_UINT32 l_data_size = p_cp->ppm_markers[i].m_data_size;
3937 const OPJ_BYTE* l_data = p_cp->ppm_markers[i].m_data;
3938
3939 if (l_N_ppm_remaining >= l_data_size) {
3940 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
3941 l_ppm_data_size += l_data_size;
3942 l_N_ppm_remaining -= l_data_size;
3943 l_data_size = 0U;
3944 } else {
3945 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm_remaining);
3946 l_ppm_data_size += l_N_ppm_remaining;
3947 l_data += l_N_ppm_remaining;
3948 l_data_size -= l_N_ppm_remaining;
3949 l_N_ppm_remaining = 0U;
3950 }
3951
3952 if (l_data_size > 0U) {
3953 do {
3954 /* read Nppm */
3955 if (l_data_size < 4U) {
3956 /* clean up to be done on l_cp destruction */
3957 opj_event_msg(p_manager, EVT_ERROR, "Not enough bytes to read Nppm\n");
3958 return OPJ_FALSE;
3959 }
3960 opj_read_bytes(l_data, &l_N_ppm, 4);
3961 l_data += 4;
3962 l_data_size -= 4;
3963
3964 if (l_data_size >= l_N_ppm) {
3965 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_N_ppm);
3966 l_ppm_data_size += l_N_ppm;
3967 l_data_size -= l_N_ppm;
3968 l_data += l_N_ppm;
3969 } else {
3970 memcpy(p_cp->ppm_buffer + l_ppm_data_size, l_data, l_data_size);
3971 l_ppm_data_size += l_data_size;
3972 l_N_ppm_remaining = l_N_ppm - l_data_size;
3973 l_data_size = 0U;
3974 }
3975 } while (l_data_size > 0U);
3976 }
3977 opj_free(p_cp->ppm_markers[i].m_data);
3978 p_cp->ppm_markers[i].m_data = NULL;
3979 p_cp->ppm_markers[i].m_data_size = 0U;
3980 }
3981 }
3982
3983 p_cp->ppm_data = p_cp->ppm_buffer;
3984 p_cp->ppm_data_size = p_cp->ppm_len;
3985
3986 p_cp->ppm_markers_count = 0U;
3987 opj_free(p_cp->ppm_markers);
3988 p_cp->ppm_markers = NULL;
3989
3990 return OPJ_TRUE;
3991}
3992
3993/**
3994 * Reads a PPT marker (Packed packet headers, tile-part header)
3995 *
3996 * @param p_header_data the data contained in the PPT box.
3997 * @param p_j2k the jpeg2000 codec.
3998 * @param p_header_size the size of the data contained in the PPT marker.
3999 * @param p_manager the user event manager.
4000*/
4001static OPJ_BOOL opj_j2k_read_ppt(opj_j2k_t *p_j2k,
4002 OPJ_BYTE * p_header_data,
4003 OPJ_UINT32 p_header_size,
4004 opj_event_mgr_t * p_manager
4005 )
4006{
4007 opj_cp_t *l_cp = 00;
4008 opj_tcp_t *l_tcp = 00;
4009 OPJ_UINT32 l_Z_ppt;
4010
4011 /* preconditions */
4012 assert(p_header_data != 00);
4013 assert(p_j2k != 00);
4014 assert(p_manager != 00);
4015
4016 /* We need to have the Z_ppt element + 1 byte of Ippt at minimum */
4017 if (p_header_size < 2) {
4018 opj_event_msg(p_manager, EVT_ERROR, "Error reading PPT marker\n");
4019 return OPJ_FALSE;
4020 }
4021
4022 l_cp = &(p_j2k->m_cp);
4023 if (l_cp->ppm) {
4024 opj_event_msg(p_manager, EVT_ERROR,
4025 "Error reading PPT marker: packet header have been previously found in the main header (PPM marker).\n");
4026 return OPJ_FALSE;
4027 }
4028
4029 l_tcp = &(l_cp->tcps[p_j2k->m_current_tile_number]);
4030 l_tcp->ppt = 1;
4031
4032 opj_read_bytes(p_header_data, &l_Z_ppt, 1); /* Z_ppt */
4033 ++p_header_data;
4034 --p_header_size;
4035
4036 /* check allocation needed */
4037 if (l_tcp->ppt_markers == NULL) { /* first PPT marker */
4038 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4039 assert(l_tcp->ppt_markers_count == 0U);
4040
4041 l_tcp->ppt_markers = (opj_ppx *) opj_calloc(l_newCount, sizeof(opj_ppx));
4042 if (l_tcp->ppt_markers == NULL) {
4043 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4044 return OPJ_FALSE;
4045 }
4046 l_tcp->ppt_markers_count = l_newCount;
4047 } else if (l_tcp->ppt_markers_count <= l_Z_ppt) {
4048 OPJ_UINT32 l_newCount = l_Z_ppt + 1U; /* can't overflow, l_Z_ppt is UINT8 */
4049 opj_ppx *new_ppt_markers;
4050 new_ppt_markers = (opj_ppx *) opj_realloc(l_tcp->ppt_markers,
4051 l_newCount * sizeof(opj_ppx));
4052 if (new_ppt_markers == NULL) {
4053 /* clean up to be done on l_tcp destruction */
4054 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4055 return OPJ_FALSE;
4056 }
4057 l_tcp->ppt_markers = new_ppt_markers;
4058 memset(l_tcp->ppt_markers + l_tcp->ppt_markers_count, 0,
4059 (l_newCount - l_tcp->ppt_markers_count) * sizeof(opj_ppx));
4060 l_tcp->ppt_markers_count = l_newCount;
4061 }
4062
4063 if (l_tcp->ppt_markers[l_Z_ppt].m_data != NULL) {
4064 /* clean up to be done on l_tcp destruction */
4065 opj_event_msg(p_manager, EVT_ERROR, "Zppt %u already read\n", l_Z_ppt);
4066 return OPJ_FALSE;
4067 }
4068
4069 l_tcp->ppt_markers[l_Z_ppt].m_data = (OPJ_BYTE *) opj_malloc(p_header_size);
4070 if (l_tcp->ppt_markers[l_Z_ppt].m_data == NULL) {
4071 /* clean up to be done on l_tcp destruction */
4072 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4073 return OPJ_FALSE;
4074 }
4075 l_tcp->ppt_markers[l_Z_ppt].m_data_size = p_header_size;
4076 memcpy(l_tcp->ppt_markers[l_Z_ppt].m_data, p_header_data, p_header_size);
4077 return OPJ_TRUE;
4078}
4079
4080/**
4081 * Merges all PPT markers read (Packed packet headers, tile-part header)
4082 *
4083 * @param p_tcp the tile.
4084 * @param p_manager the user event manager.
4085 */
4086static OPJ_BOOL opj_j2k_merge_ppt(opj_tcp_t *p_tcp, opj_event_mgr_t * p_manager)
4087{
4088 OPJ_UINT32 i, l_ppt_data_size;
4089 /* preconditions */
4090 assert(p_tcp != 00);
4091 assert(p_manager != 00);
4092 assert(p_tcp->ppt_buffer == NULL);
4093
4094 if (p_tcp->ppt == 0U) {
4095 return OPJ_TRUE;
4096 }
4097
4098 l_ppt_data_size = 0U;
4099 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4100 l_ppt_data_size +=
4101 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4102 }
4103
4104 p_tcp->ppt_buffer = (OPJ_BYTE *) opj_malloc(l_ppt_data_size);
4105 if (p_tcp->ppt_buffer == 00) {
4106 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read PPT marker\n");
4107 return OPJ_FALSE;
4108 }
4109 p_tcp->ppt_len = l_ppt_data_size;
4110 l_ppt_data_size = 0U;
4111 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
4112 if (p_tcp->ppt_markers[i].m_data !=
4113 NULL) { /* standard doesn't seem to require contiguous Zppt */
4114 memcpy(p_tcp->ppt_buffer + l_ppt_data_size, p_tcp->ppt_markers[i].m_data,
4115 p_tcp->ppt_markers[i].m_data_size);
4116 l_ppt_data_size +=
4117 p_tcp->ppt_markers[i].m_data_size; /* can't overflow, max 256 markers of max 65536 bytes */
4118
4119 opj_free(p_tcp->ppt_markers[i].m_data);
4120 p_tcp->ppt_markers[i].m_data = NULL;
4121 p_tcp->ppt_markers[i].m_data_size = 0U;
4122 }
4123 }
4124
4125 p_tcp->ppt_markers_count = 0U;
4126 opj_free(p_tcp->ppt_markers);
4127 p_tcp->ppt_markers = NULL;
4128
4129 p_tcp->ppt_data = p_tcp->ppt_buffer;
4130 p_tcp->ppt_data_size = p_tcp->ppt_len;
4131 return OPJ_TRUE;
4132}
4133
4134static OPJ_BOOL opj_j2k_write_tlm(opj_j2k_t *p_j2k,
4135 opj_stream_private_t *p_stream,
4136 opj_event_mgr_t * p_manager
4137 )
4138{
4139 OPJ_BYTE * l_current_data = 00;
4140 OPJ_UINT32 l_tlm_size;
4141
4142 /* preconditions */
4143 assert(p_j2k != 00);
4144 assert(p_manager != 00);
4145 assert(p_stream != 00);
4146
4147 l_tlm_size = 6 + (5 * p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
4148
4149 if (l_tlm_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
4150 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
4151 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size);
4152 if (! new_header_tile_data) {
4153 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
4154 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
4155 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
4156 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write TLM marker\n");
4157 return OPJ_FALSE;
4158 }
4159 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
4160 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_tlm_size;
4161 }
4162
4163 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
4164
4165 /* change the way data is written to avoid seeking if possible */
4166 /* TODO */
4167 p_j2k->m_specific_param.m_encoder.m_tlm_start = opj_stream_tell(p_stream);
4168
4169 opj_write_bytes(l_current_data, J2K_MS_TLM,
4170 2); /* TLM */
4171 l_current_data += 2;
4172
4173 opj_write_bytes(l_current_data, l_tlm_size - 2,
4174 2); /* Lpoc */
4175 l_current_data += 2;
4176
4177 opj_write_bytes(l_current_data, 0,
4178 1); /* Ztlm=0*/
4179 ++l_current_data;
4180
4181 opj_write_bytes(l_current_data, 0x50,
4182 1); /* Stlm ST=1(8bits-255 tiles max),SP=1(Ptlm=32bits) */
4183 ++l_current_data;
4184
4185 /* do nothing on the 5 * l_j2k->m_specific_param.m_encoder.m_total_tile_parts remaining data */
4186 if (opj_stream_write_data(p_stream,
4187 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_tlm_size,
4188 p_manager) != l_tlm_size) {
4189 return OPJ_FALSE;
4190 }
4191
4192 return OPJ_TRUE;
4193}
4194
4195static OPJ_BOOL opj_j2k_write_sot(opj_j2k_t *p_j2k,
4196 OPJ_BYTE * p_data,
4197 OPJ_UINT32 p_total_data_size,
4198 OPJ_UINT32 * p_data_written,
4199 const opj_stream_private_t *p_stream,
4200 opj_event_mgr_t * p_manager
4201 )
4202{
4203 /* preconditions */
4204 assert(p_j2k != 00);
4205 assert(p_manager != 00);
4206 assert(p_stream != 00);
4207
4208 OPJ_UNUSED(p_stream);
4209
4210 if (p_total_data_size < 12) {
4211 opj_event_msg(p_manager, EVT_ERROR,
4212 "Not enough bytes in output buffer to write SOT marker\n");
4213 return OPJ_FALSE;
4214 }
4215
4216 opj_write_bytes(p_data, J2K_MS_SOT,
4217 2); /* SOT */
4218 p_data += 2;
4219
4220 opj_write_bytes(p_data, 10,
4221 2); /* Lsot */
4222 p_data += 2;
4223
4224 opj_write_bytes(p_data, p_j2k->m_current_tile_number,
4225 2); /* Isot */
4226 p_data += 2;
4227
4228 /* Psot */
4229 p_data += 4;
4230
4231 opj_write_bytes(p_data,
4232 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number,
4233 1); /* TPsot */
4234 ++p_data;
4235
4236 opj_write_bytes(p_data,
4237 p_j2k->m_cp.tcps[p_j2k->m_current_tile_number].m_nb_tile_parts,
4238 1); /* TNsot */
4239 ++p_data;
4240
4241 /* UniPG>> */
4242#ifdef USE_JPWL
4243 /* update markers struct */
4244 /*
4245 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOT, p_j2k->sot_start, len + 2);
4246 */
4247 assert(0 && "TODO");
4248#endif /* USE_JPWL */
4249
4250 * p_data_written = 12;
4251
4252 return OPJ_TRUE;
4253}
4254
4255static OPJ_BOOL opj_j2k_get_sot_values(OPJ_BYTE * p_header_data,
4256 OPJ_UINT32 p_header_size,
4257 OPJ_UINT32* p_tile_no,
4258 OPJ_UINT32* p_tot_len,
4259 OPJ_UINT32* p_current_part,
4260 OPJ_UINT32* p_num_parts,
4261 opj_event_mgr_t * p_manager)
4262{
4263 /* preconditions */
4264 assert(p_header_data != 00);
4265 assert(p_manager != 00);
4266
4267 /* Size of this marker is fixed = 12 (we have already read marker and its size)*/
4268 if (p_header_size != 8) {
4269 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
4270 return OPJ_FALSE;
4271 }
4272
4273 opj_read_bytes(p_header_data, p_tile_no, 2); /* Isot */
4274 p_header_data += 2;
4275 opj_read_bytes(p_header_data, p_tot_len, 4); /* Psot */
4276 p_header_data += 4;
4277 opj_read_bytes(p_header_data, p_current_part, 1); /* TPsot */
4278 ++p_header_data;
4279 opj_read_bytes(p_header_data, p_num_parts, 1); /* TNsot */
4280 ++p_header_data;
4281 return OPJ_TRUE;
4282}
4283
4284static OPJ_BOOL opj_j2k_read_sot(opj_j2k_t *p_j2k,
4285 OPJ_BYTE * p_header_data,
4286 OPJ_UINT32 p_header_size,
4287 opj_event_mgr_t * p_manager)
4288{
4289 opj_cp_t *l_cp = 00;
4290 opj_tcp_t *l_tcp = 00;
4291 OPJ_UINT32 l_tot_len, l_num_parts = 0;
4292 OPJ_UINT32 l_current_part;
4293 OPJ_UINT32 l_tile_x, l_tile_y;
4294
4295 /* preconditions */
4296
4297 assert(p_j2k != 00);
4298 assert(p_manager != 00);
4299
4300 if (! opj_j2k_get_sot_values(p_header_data, p_header_size,
4301 &(p_j2k->m_current_tile_number), &l_tot_len, &l_current_part, &l_num_parts,
4302 p_manager)) {
4303 opj_event_msg(p_manager, EVT_ERROR, "Error reading SOT marker\n");
4304 return OPJ_FALSE;
4305 }
4306#ifdef DEBUG_VERBOSE
4307 fprintf(stderr, "SOT %d %d %d %d\n",
4308 p_j2k->m_current_tile_number, l_tot_len, l_current_part, l_num_parts);
4309#endif
4310
4311 l_cp = &(p_j2k->m_cp);
4312
4313 /* testcase 2.pdf.SIGFPE.706.1112 */
4314 if (p_j2k->m_current_tile_number >= l_cp->tw * l_cp->th) {
4315 opj_event_msg(p_manager, EVT_ERROR, "Invalid tile number %d\n",
4316 p_j2k->m_current_tile_number);
4317 return OPJ_FALSE;
4318 }
4319
4320 l_tcp = &l_cp->tcps[p_j2k->m_current_tile_number];
4321 l_tile_x = p_j2k->m_current_tile_number % l_cp->tw;
4322 l_tile_y = p_j2k->m_current_tile_number / l_cp->tw;
4323
4324 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec < 0 ||
4325 p_j2k->m_current_tile_number == (OPJ_UINT32)
4326 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec) {
4327 /* Do only this check if we decode all tile part headers, or if */
4328 /* we decode one precise tile. Otherwise the m_current_tile_part_number */
4329 /* might not be valid */
4330 /* Fixes issue with id_000020,sig_06,src_001958,op_flip4,pos_149 */
4331 /* of https://github.com/uclouvain/openjpeg/issues/939 */
4332 /* We must avoid reading twice the same tile part number for a given tile */
4333 /* so as to avoid various issues, like opj_j2k_merge_ppt being called */
4334 /* several times. */
4335 /* ISO 15444-1 A.4.2 Start of tile-part (SOT) mandates that tile parts */
4336 /* should appear in increasing order. */
4337 if (l_tcp->m_current_tile_part_number + 1 != (OPJ_INT32)l_current_part) {
4338 opj_event_msg(p_manager, EVT_ERROR,
4339 "Invalid tile part index for tile number %d. "
4340 "Got %d, expected %d\n",
4341 p_j2k->m_current_tile_number,
4342 l_current_part,
4343 l_tcp->m_current_tile_part_number + 1);
4344 return OPJ_FALSE;
4345 }
4346 }
4347
4348 l_tcp->m_current_tile_part_number = (OPJ_INT32) l_current_part;
4349
4350#ifdef USE_JPWL
4351 if (l_cp->correct) {
4352
4353 OPJ_UINT32 tileno = p_j2k->m_current_tile_number;
4354 static OPJ_UINT32 backup_tileno = 0;
4355
4356 /* tileno is negative or larger than the number of tiles!!! */
4357 if (tileno > (l_cp->tw * l_cp->th)) {
4358 opj_event_msg(p_manager, EVT_ERROR,
4359 "JPWL: bad tile number (%d out of a maximum of %d)\n",
4360 tileno, (l_cp->tw * l_cp->th));
4361 if (!JPWL_ASSUME) {
4362 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4363 return OPJ_FALSE;
4364 }
4365 /* we try to correct */
4366 tileno = backup_tileno;
4367 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4368 "- setting tile number to %d\n",
4369 tileno);
4370 }
4371
4372 /* keep your private count of tiles */
4373 backup_tileno++;
4374 };
4375#endif /* USE_JPWL */
4376
4377 /* look for the tile in the list of already processed tile (in parts). */
4378 /* Optimization possible here with a more complex data structure and with the removing of tiles */
4379 /* since the time taken by this function can only grow at the time */
4380
4381 /* PSot should be equal to zero or >=14 or <= 2^32-1 */
4382 if ((l_tot_len != 0) && (l_tot_len < 14)) {
4383 if (l_tot_len ==
4384 12) { /* MSD: Special case for the PHR data which are read by kakadu*/
4385 opj_event_msg(p_manager, EVT_WARNING, "Empty SOT marker detected: Psot=%d.\n",
4386 l_tot_len);
4387 } else {
4388 opj_event_msg(p_manager, EVT_ERROR,
4389 "Psot value is not correct regards to the JPEG2000 norm: %d.\n", l_tot_len);
4390 return OPJ_FALSE;
4391 }
4392 }
4393
4394#ifdef USE_JPWL
4395 if (l_cp->correct) {
4396
4397 /* totlen is negative or larger than the bytes left!!! */
4398 if (/*(l_tot_len < 0) ||*/ (l_tot_len >
4399 p_header_size)) { /* FIXME it seems correct; for info in V1 -> (p_stream_numbytesleft(p_stream) + 8))) { */
4400 opj_event_msg(p_manager, EVT_ERROR,
4401 "JPWL: bad tile byte size (%d bytes against %d bytes left)\n",
4402 l_tot_len,
4403 p_header_size); /* FIXME it seems correct; for info in V1 -> p_stream_numbytesleft(p_stream) + 8); */
4404 if (!JPWL_ASSUME) {
4405 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4406 return OPJ_FALSE;
4407 }
4408 /* we try to correct */
4409 l_tot_len = 0;
4410 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust this\n"
4411 "- setting Psot to %d => assuming it is the last tile\n",
4412 l_tot_len);
4413 }
4414 };
4415#endif /* USE_JPWL */
4416
4417 /* Ref A.4.2: Psot could be equal zero if it is the last tile-part of the codestream.*/
4418 if (!l_tot_len) {
4419 opj_event_msg(p_manager, EVT_INFO,
4420 "Psot value of the current tile-part is equal to zero, "
4421 "we assuming it is the last tile-part of the codestream.\n");
4422 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4423 }
4424
4425 if (l_tcp->m_nb_tile_parts != 0 && l_current_part >= l_tcp->m_nb_tile_parts) {
4426 /* Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2851 */
4427 opj_event_msg(p_manager, EVT_ERROR,
4428 "In SOT marker, TPSot (%d) is not valid regards to the previous "
4429 "number of tile-part (%d), giving up\n", l_current_part,
4430 l_tcp->m_nb_tile_parts);
4431 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4432 return OPJ_FALSE;
4433 }
4434
4435 if (l_num_parts !=
4436 0) { /* Number of tile-part header is provided by this tile-part header */
4437 l_num_parts += p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction;
4438 /* Useful to manage the case of textGBR.jp2 file because two values of TNSot are allowed: the correct numbers of
4439 * tile-parts for that tile and zero (A.4.2 of 15444-1 : 2002). */
4440 if (l_tcp->m_nb_tile_parts) {
4441 if (l_current_part >= l_tcp->m_nb_tile_parts) {
4442 opj_event_msg(p_manager, EVT_ERROR,
4443 "In SOT marker, TPSot (%d) is not valid regards to the current "
4444 "number of tile-part (%d), giving up\n", l_current_part,
4445 l_tcp->m_nb_tile_parts);
4446 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4447 return OPJ_FALSE;
4448 }
4449 }
4450 if (l_current_part >= l_num_parts) {
4451 /* testcase 451.pdf.SIGSEGV.ce9.3723 */
4452 opj_event_msg(p_manager, EVT_ERROR,
4453 "In SOT marker, TPSot (%d) is not valid regards to the current "
4454 "number of tile-part (header) (%d), giving up\n", l_current_part, l_num_parts);
4455 p_j2k->m_specific_param.m_decoder.m_last_tile_part = 1;
4456 return OPJ_FALSE;
4457 }
4458 l_tcp->m_nb_tile_parts = l_num_parts;
4459 }
4460
4461 /* If know the number of tile part header we will check if we didn't read the last*/
4462 if (l_tcp->m_nb_tile_parts) {
4463 if (l_tcp->m_nb_tile_parts == (l_current_part + 1)) {
4464 p_j2k->m_specific_param.m_decoder.m_can_decode =
4465 1; /* Process the last tile-part header*/
4466 }
4467 }
4468
4469 if (!p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4470 /* Keep the size of data to skip after this marker */
4471 p_j2k->m_specific_param.m_decoder.m_sot_length = l_tot_len -
4472 12; /* SOT_marker_size = 12 */
4473 } else {
4474 /* FIXME: need to be computed from the number of bytes remaining in the codestream */
4475 p_j2k->m_specific_param.m_decoder.m_sot_length = 0;
4476 }
4477
4478 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPH;
4479
4480 /* Check if the current tile is outside the area we want decode or not corresponding to the tile index*/
4481 if (p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec == -1) {
4482 p_j2k->m_specific_param.m_decoder.m_skip_data =
4483 (l_tile_x < p_j2k->m_specific_param.m_decoder.m_start_tile_x)
4484 || (l_tile_x >= p_j2k->m_specific_param.m_decoder.m_end_tile_x)
4485 || (l_tile_y < p_j2k->m_specific_param.m_decoder.m_start_tile_y)
4486 || (l_tile_y >= p_j2k->m_specific_param.m_decoder.m_end_tile_y);
4487 } else {
4488 assert(p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec >= 0);
4489 p_j2k->m_specific_param.m_decoder.m_skip_data =
4490 (p_j2k->m_current_tile_number != (OPJ_UINT32)
4491 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec);
4492 }
4493
4494 /* Index */
4495 if (p_j2k->cstr_index) {
4496 assert(p_j2k->cstr_index->tile_index != 00);
4497 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tileno =
4498 p_j2k->m_current_tile_number;
4499 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno =
4500 l_current_part;
4501
4502 if (l_num_parts != 0) {
4503 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].nb_tps =
4504 l_num_parts;
4505 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4506 l_num_parts;
4507
4508 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4509 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4510 (opj_tp_index_t*)opj_calloc(l_num_parts, sizeof(opj_tp_index_t));
4511 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4512 opj_event_msg(p_manager, EVT_ERROR,
4513 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4514 return OPJ_FALSE;
4515 }
4516 } else {
4517 opj_tp_index_t *new_tp_index = (opj_tp_index_t *) opj_realloc(
4518 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4519 l_num_parts * sizeof(opj_tp_index_t));
4520 if (! new_tp_index) {
4521 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4522 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4523 opj_event_msg(p_manager, EVT_ERROR,
4524 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4525 return OPJ_FALSE;
4526 }
4527 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4528 new_tp_index;
4529 }
4530 } else {
4531 /*if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index)*/ {
4532
4533 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4534 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 10;
4535 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4536 (opj_tp_index_t*)opj_calloc(
4537 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps,
4538 sizeof(opj_tp_index_t));
4539 if (!p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index) {
4540 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4541 opj_event_msg(p_manager, EVT_ERROR,
4542 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4543 return OPJ_FALSE;
4544 }
4545 }
4546
4547 if (l_current_part >=
4548 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps) {
4549 opj_tp_index_t *new_tp_index;
4550 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps =
4551 l_current_part + 1;
4552 new_tp_index = (opj_tp_index_t *) opj_realloc(
4553 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index,
4554 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps *
4555 sizeof(opj_tp_index_t));
4556 if (! new_tp_index) {
4557 opj_free(p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index);
4558 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index = NULL;
4559 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].current_nb_tps = 0;
4560 opj_event_msg(p_manager, EVT_ERROR,
4561 "Not enough memory to read SOT marker. Tile index allocation failed\n");
4562 return OPJ_FALSE;
4563 }
4564 p_j2k->cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index =
4565 new_tp_index;
4566 }
4567 }
4568
4569 }
4570
4571 }
4572
4573 /* FIXME move this onto a separate method to call before reading any SOT, remove part about main_end header, use a index struct inside p_j2k */
4574 /* if (p_j2k->cstr_info) {
4575 if (l_tcp->first) {
4576 if (tileno == 0) {
4577 p_j2k->cstr_info->main_head_end = p_stream_tell(p_stream) - 13;
4578 }
4579
4580 p_j2k->cstr_info->tile[tileno].tileno = tileno;
4581 p_j2k->cstr_info->tile[tileno].start_pos = p_stream_tell(p_stream) - 12;
4582 p_j2k->cstr_info->tile[tileno].end_pos = p_j2k->cstr_info->tile[tileno].start_pos + totlen - 1;
4583 p_j2k->cstr_info->tile[tileno].num_tps = numparts;
4584
4585 if (numparts) {
4586 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(numparts * sizeof(opj_tp_info_t));
4587 }
4588 else {
4589 p_j2k->cstr_info->tile[tileno].tp = (opj_tp_info_t *) opj_malloc(10 * sizeof(opj_tp_info_t)); // Fixme (10)
4590 }
4591 }
4592 else {
4593 p_j2k->cstr_info->tile[tileno].end_pos += totlen;
4594 }
4595
4596 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos = p_stream_tell(p_stream) - 12;
4597 p_j2k->cstr_info->tile[tileno].tp[partno].tp_end_pos =
4598 p_j2k->cstr_info->tile[tileno].tp[partno].tp_start_pos + totlen - 1;
4599 }*/
4600 return OPJ_TRUE;
4601}
4602
4603static OPJ_BOOL opj_j2k_write_sod(opj_j2k_t *p_j2k,
4604 opj_tcd_t * p_tile_coder,
4605 OPJ_BYTE * p_data,
4606 OPJ_UINT32 * p_data_written,
4607 OPJ_UINT32 p_total_data_size,
4608 const opj_stream_private_t *p_stream,
4609 opj_event_mgr_t * p_manager
4610 )
4611{
4612 opj_codestream_info_t *l_cstr_info = 00;
4613 OPJ_UINT32 l_remaining_data;
4614
4615 /* preconditions */
4616 assert(p_j2k != 00);
4617 assert(p_manager != 00);
4618 assert(p_stream != 00);
4619
4620 OPJ_UNUSED(p_stream);
4621
4622 if (p_total_data_size < 4) {
4623 opj_event_msg(p_manager, EVT_ERROR,
4624 "Not enough bytes in output buffer to write SOD marker\n");
4625 return OPJ_FALSE;
4626 }
4627
4628 opj_write_bytes(p_data, J2K_MS_SOD,
4629 2); /* SOD */
4630 p_data += 2;
4631
4632 /* make room for the EOF marker */
4633 l_remaining_data = p_total_data_size - 4;
4634
4635 /* update tile coder */
4636 p_tile_coder->tp_num =
4637 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number ;
4638 p_tile_coder->cur_tp_num =
4639 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
4640
4641 /* INDEX >> */
4642 /* TODO mergeV2: check this part which use cstr_info */
4643 /*l_cstr_info = p_j2k->cstr_info;
4644 if (l_cstr_info) {
4645 if (!p_j2k->m_specific_param.m_encoder.m_current_tile_part_number ) {
4646 //TODO cstr_info->tile[p_j2k->m_current_tile_number].end_header = p_stream_tell(p_stream) + p_j2k->pos_correction - 1;
4647 l_cstr_info->tile[p_j2k->m_current_tile_number].tileno = p_j2k->m_current_tile_number;
4648 }
4649 else {*/
4650 /*
4651 TODO
4652 if
4653 (cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno - 1].end_pos < p_stream_tell(p_stream))
4654 {
4655 cstr_info->tile[p_j2k->m_current_tile_number].packet[cstr_info->packno].start_pos = p_stream_tell(p_stream);
4656 }*/
4657 /*}*/
4658 /* UniPG>> */
4659#ifdef USE_JPWL
4660 /* update markers struct */
4661 /*OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_SOD, p_j2k->sod_start, 2);
4662 */
4663 assert(0 && "TODO");
4664#endif /* USE_JPWL */
4665 /* <<UniPG */
4666 /*}*/
4667 /* << INDEX */
4668
4669 if (p_j2k->m_specific_param.m_encoder.m_current_tile_part_number == 0) {
4670 p_tile_coder->tcd_image->tiles->packno = 0;
4671#ifdef deadcode
4672 if (l_cstr_info) {
4673 l_cstr_info->packno = 0;
4674 }
4675#endif
4676 }
4677
4678 *p_data_written = 0;
4679
4680 if (! opj_tcd_encode_tile(p_tile_coder, p_j2k->m_current_tile_number, p_data,
4681 p_data_written, l_remaining_data, l_cstr_info,
4682 p_manager)) {
4683 opj_event_msg(p_manager, EVT_ERROR, "Cannot encode tile\n");
4684 return OPJ_FALSE;
4685 }
4686
4687 *p_data_written += 2;
4688
4689 return OPJ_TRUE;
4690}
4691
4692static OPJ_BOOL opj_j2k_read_sod(opj_j2k_t *p_j2k,
4693 opj_stream_private_t *p_stream,
4694 opj_event_mgr_t * p_manager
4695 )
4696{
4697 OPJ_SIZE_T l_current_read_size;
4698 opj_codestream_index_t * l_cstr_index = 00;
4699 OPJ_BYTE ** l_current_data = 00;
4700 opj_tcp_t * l_tcp = 00;
4701 OPJ_UINT32 * l_tile_len = 00;
4702 OPJ_BOOL l_sot_length_pb_detected = OPJ_FALSE;
4703
4704 /* preconditions */
4705 assert(p_j2k != 00);
4706 assert(p_manager != 00);
4707 assert(p_stream != 00);
4708
4709 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
4710
4711 if (p_j2k->m_specific_param.m_decoder.m_last_tile_part) {
4712 /* opj_stream_get_number_byte_left returns OPJ_OFF_T
4713 // but we are in the last tile part,
4714 // so its result will fit on OPJ_UINT32 unless we find
4715 // a file with a single tile part of more than 4 GB...*/
4716 p_j2k->m_specific_param.m_decoder.m_sot_length = (OPJ_UINT32)(
4717 opj_stream_get_number_byte_left(p_stream) - 2);
4718 } else {
4719 /* Check to avoid pass the limit of OPJ_UINT32 */
4720 if (p_j2k->m_specific_param.m_decoder.m_sot_length >= 2) {
4721 p_j2k->m_specific_param.m_decoder.m_sot_length -= 2;
4722 } else {
4723 /* MSD: case commented to support empty SOT marker (PHR data) */
4724 }
4725 }
4726
4727 l_current_data = &(l_tcp->m_data);
4728 l_tile_len = &l_tcp->m_data_size;
4729
4730 /* Patch to support new PHR data */
4731 if (p_j2k->m_specific_param.m_decoder.m_sot_length) {
4732 /* If we are here, we'll try to read the data after allocation */
4733 /* Check enough bytes left in stream before allocation */
4734 if ((OPJ_OFF_T)p_j2k->m_specific_param.m_decoder.m_sot_length >
4735 opj_stream_get_number_byte_left(p_stream)) {
4736 opj_event_msg(p_manager, EVT_ERROR,
4737 "Tile part length size inconsistent with stream length\n");
4738 return OPJ_FALSE;
4739 }
4740 if (p_j2k->m_specific_param.m_decoder.m_sot_length >
4741 UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA) {
4742 opj_event_msg(p_manager, EVT_ERROR,
4743 "p_j2k->m_specific_param.m_decoder.m_sot_length > "
4744 "UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA");
4745 return OPJ_FALSE;
4746 }
4747 /* Add a margin of OPJ_COMMON_CBLK_DATA_EXTRA to the allocation we */
4748 /* do so that opj_mqc_init_dec_common() can safely add a synthetic */
4749 /* 0xFFFF marker. */
4750 if (! *l_current_data) {
4751 /* LH: oddly enough, in this path, l_tile_len!=0.
4752 * TODO: If this was consistent, we could simplify the code to only use realloc(), as realloc(0,...) default to malloc(0,...).
4753 */
4754 *l_current_data = (OPJ_BYTE*) opj_malloc(
4755 p_j2k->m_specific_param.m_decoder.m_sot_length + OPJ_COMMON_CBLK_DATA_EXTRA);
4756 } else {
4757 OPJ_BYTE *l_new_current_data;
4758 if (*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA -
4759 p_j2k->m_specific_param.m_decoder.m_sot_length) {
4760 opj_event_msg(p_manager, EVT_ERROR,
4761 "*l_tile_len > UINT_MAX - OPJ_COMMON_CBLK_DATA_EXTRA - "
4762 "p_j2k->m_specific_param.m_decoder.m_sot_length");
4763 return OPJ_FALSE;
4764 }
4765
4766 l_new_current_data = (OPJ_BYTE *) opj_realloc(*l_current_data,
4767 *l_tile_len + p_j2k->m_specific_param.m_decoder.m_sot_length +
4768 OPJ_COMMON_CBLK_DATA_EXTRA);
4769 if (! l_new_current_data) {
4770 opj_free(*l_current_data);
4771 /*nothing more is done as l_current_data will be set to null, and just
4772 afterward we enter in the error path
4773 and the actual tile_len is updated (committed) at the end of the
4774 function. */
4775 }
4776 *l_current_data = l_new_current_data;
4777 }
4778
4779 if (*l_current_data == 00) {
4780 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to decode tile\n");
4781 return OPJ_FALSE;
4782 }
4783 } else {
4784 l_sot_length_pb_detected = OPJ_TRUE;
4785 }
4786
4787 /* Index */
4788 l_cstr_index = p_j2k->cstr_index;
4789 if (l_cstr_index) {
4790 OPJ_OFF_T l_current_pos = opj_stream_tell(p_stream) - 2;
4791
4792 OPJ_UINT32 l_current_tile_part =
4793 l_cstr_index->tile_index[p_j2k->m_current_tile_number].current_tpsno;
4794 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_header
4795 =
4796 l_current_pos;
4797 l_cstr_index->tile_index[p_j2k->m_current_tile_number].tp_index[l_current_tile_part].end_pos
4798 =
4799 l_current_pos + p_j2k->m_specific_param.m_decoder.m_sot_length + 2;
4800
4801 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
4802 l_cstr_index,
4803 J2K_MS_SOD,
4804 l_current_pos,
4805 p_j2k->m_specific_param.m_decoder.m_sot_length + 2)) {
4806 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
4807 return OPJ_FALSE;
4808 }
4809
4810 /*l_cstr_index->packno = 0;*/
4811 }
4812
4813 /* Patch to support new PHR data */
4814 if (!l_sot_length_pb_detected) {
4815 l_current_read_size = opj_stream_read_data(
4816 p_stream,
4817 *l_current_data + *l_tile_len,
4818 p_j2k->m_specific_param.m_decoder.m_sot_length,
4819 p_manager);
4820 } else {
4821 l_current_read_size = 0;
4822 }
4823
4824 if (l_current_read_size != p_j2k->m_specific_param.m_decoder.m_sot_length) {
4825 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
4826 } else {
4827 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
4828 }
4829
4830 *l_tile_len += (OPJ_UINT32)l_current_read_size;
4831
4832 return OPJ_TRUE;
4833}
4834
4835static OPJ_BOOL opj_j2k_write_rgn(opj_j2k_t *p_j2k,
4836 OPJ_UINT32 p_tile_no,
4837 OPJ_UINT32 p_comp_no,
4838 OPJ_UINT32 nb_comps,
4839 opj_stream_private_t *p_stream,
4840 opj_event_mgr_t * p_manager
4841 )
4842{
4843 OPJ_BYTE * l_current_data = 00;
4844 OPJ_UINT32 l_rgn_size;
4845 opj_cp_t *l_cp = 00;
4846 opj_tcp_t *l_tcp = 00;
4847 opj_tccp_t *l_tccp = 00;
4848 OPJ_UINT32 l_comp_room;
4849
4850 /* preconditions */
4851 assert(p_j2k != 00);
4852 assert(p_manager != 00);
4853 assert(p_stream != 00);
4854
4855 l_cp = &(p_j2k->m_cp);
4856 l_tcp = &l_cp->tcps[p_tile_no];
4857 l_tccp = &l_tcp->tccps[p_comp_no];
4858
4859 if (nb_comps <= 256) {
4860 l_comp_room = 1;
4861 } else {
4862 l_comp_room = 2;
4863 }
4864
4865 l_rgn_size = 6 + l_comp_room;
4866
4867 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
4868
4869 opj_write_bytes(l_current_data, J2K_MS_RGN,
4870 2); /* RGN */
4871 l_current_data += 2;
4872
4873 opj_write_bytes(l_current_data, l_rgn_size - 2,
4874 2); /* Lrgn */
4875 l_current_data += 2;
4876
4877 opj_write_bytes(l_current_data, p_comp_no,
4878 l_comp_room); /* Crgn */
4879 l_current_data += l_comp_room;
4880
4881 opj_write_bytes(l_current_data, 0,
4882 1); /* Srgn */
4883 ++l_current_data;
4884
4885 opj_write_bytes(l_current_data, (OPJ_UINT32)l_tccp->roishift,
4886 1); /* SPrgn */
4887 ++l_current_data;
4888
4889 if (opj_stream_write_data(p_stream,
4890 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_rgn_size,
4891 p_manager) != l_rgn_size) {
4892 return OPJ_FALSE;
4893 }
4894
4895 return OPJ_TRUE;
4896}
4897
4898static OPJ_BOOL opj_j2k_write_eoc(opj_j2k_t *p_j2k,
4899 opj_stream_private_t *p_stream,
4900 opj_event_mgr_t * p_manager
4901 )
4902{
4903 /* preconditions */
4904 assert(p_j2k != 00);
4905 assert(p_manager != 00);
4906 assert(p_stream != 00);
4907
4908 opj_write_bytes(p_j2k->m_specific_param.m_encoder.m_header_tile_data,
4909 J2K_MS_EOC, 2); /* EOC */
4910
4911 /* UniPG>> */
4912#ifdef USE_JPWL
4913 /* update markers struct */
4914 /*
4915 OPJ_BOOL res = j2k_add_marker(p_j2k->cstr_info, J2K_MS_EOC, p_stream_tell(p_stream) - 2, 2);
4916 */
4917#endif /* USE_JPWL */
4918
4919 if (opj_stream_write_data(p_stream,
4920 p_j2k->m_specific_param.m_encoder.m_header_tile_data, 2, p_manager) != 2) {
4921 return OPJ_FALSE;
4922 }
4923
4924 if (! opj_stream_flush(p_stream, p_manager)) {
4925 return OPJ_FALSE;
4926 }
4927
4928 return OPJ_TRUE;
4929}
4930
4931/**
4932 * Reads a RGN marker (Region Of Interest)
4933 *
4934 * @param p_header_data the data contained in the POC box.
4935 * @param p_j2k the jpeg2000 codec.
4936 * @param p_header_size the size of the data contained in the POC marker.
4937 * @param p_manager the user event manager.
4938*/
4939static OPJ_BOOL opj_j2k_read_rgn(opj_j2k_t *p_j2k,
4940 OPJ_BYTE * p_header_data,
4941 OPJ_UINT32 p_header_size,
4942 opj_event_mgr_t * p_manager
4943 )
4944{
4945 OPJ_UINT32 l_nb_comp;
4946 opj_image_t * l_image = 00;
4947
4948 opj_cp_t *l_cp = 00;
4949 opj_tcp_t *l_tcp = 00;
4950 OPJ_UINT32 l_comp_room, l_comp_no, l_roi_sty;
4951
4952 /* preconditions*/
4953 assert(p_header_data != 00);
4954 assert(p_j2k != 00);
4955 assert(p_manager != 00);
4956
4957 l_image = p_j2k->m_private_image;
4958 l_nb_comp = l_image->numcomps;
4959
4960 if (l_nb_comp <= 256) {
4961 l_comp_room = 1;
4962 } else {
4963 l_comp_room = 2;
4964 }
4965
4966 if (p_header_size != 2 + l_comp_room) {
4967 opj_event_msg(p_manager, EVT_ERROR, "Error reading RGN marker\n");
4968 return OPJ_FALSE;
4969 }
4970
4971 l_cp = &(p_j2k->m_cp);
4972 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
4973 &l_cp->tcps[p_j2k->m_current_tile_number] :
4974 p_j2k->m_specific_param.m_decoder.m_default_tcp;
4975
4976 opj_read_bytes(p_header_data, &l_comp_no, l_comp_room); /* Crgn */
4977 p_header_data += l_comp_room;
4978 opj_read_bytes(p_header_data, &l_roi_sty,
4979 1); /* Srgn */
4980 ++p_header_data;
4981
4982#ifdef USE_JPWL
4983 if (l_cp->correct) {
4984 /* totlen is negative or larger than the bytes left!!! */
4985 if (l_comp_room >= l_nb_comp) {
4986 opj_event_msg(p_manager, EVT_ERROR,
4987 "JPWL: bad component number in RGN (%d when there are only %d)\n",
4988 l_comp_room, l_nb_comp);
4989 if (!JPWL_ASSUME) {
4990 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
4991 return OPJ_FALSE;
4992 }
4993 }
4994 };
4995#endif /* USE_JPWL */
4996
4997 /* testcase 3635.pdf.asan.77.2930 */
4998 if (l_comp_no >= l_nb_comp) {
4999 opj_event_msg(p_manager, EVT_ERROR,
5000 "bad component number in RGN (%d when there are only %d)\n",
5001 l_comp_no, l_nb_comp);
5002 return OPJ_FALSE;
5003 }
5004
5005 opj_read_bytes(p_header_data,
5006 (OPJ_UINT32 *)(&(l_tcp->tccps[l_comp_no].roishift)), 1); /* SPrgn */
5007 ++p_header_data;
5008
5009 return OPJ_TRUE;
5010
5011}
5012
5013static OPJ_FLOAT32 opj_j2k_get_tp_stride(opj_tcp_t * p_tcp)
5014{
5015 return (OPJ_FLOAT32)((p_tcp->m_nb_tile_parts - 1) * 14);
5016}
5017
5018static OPJ_FLOAT32 opj_j2k_get_default_stride(opj_tcp_t * p_tcp)
5019{
5020 (void)p_tcp;
5021 return 0;
5022}
5023
5024static OPJ_BOOL opj_j2k_update_rates(opj_j2k_t *p_j2k,
5025 opj_stream_private_t *p_stream,
5026 opj_event_mgr_t * p_manager)
5027{
5028 opj_cp_t * l_cp = 00;
5029 opj_image_t * l_image = 00;
5030 opj_tcp_t * l_tcp = 00;
5031 opj_image_comp_t * l_img_comp = 00;
5032
5033 OPJ_UINT32 i, j, k;
5034 OPJ_INT32 l_x0, l_y0, l_x1, l_y1;
5035 OPJ_FLOAT32 * l_rates = 0;
5036 OPJ_FLOAT32 l_sot_remove;
5037 OPJ_UINT32 l_bits_empty, l_size_pixel;
5038 OPJ_UINT32 l_tile_size = 0;
5039 OPJ_UINT32 l_last_res;
5040 OPJ_FLOAT32(* l_tp_stride_func)(opj_tcp_t *) = 00;
5041
5042 /* preconditions */
5043 assert(p_j2k != 00);
5044 assert(p_manager != 00);
5045 assert(p_stream != 00);
5046
5047 OPJ_UNUSED(p_manager);
5048
5049 l_cp = &(p_j2k->m_cp);
5050 l_image = p_j2k->m_private_image;
5051 l_tcp = l_cp->tcps;
5052
5053 l_bits_empty = 8 * l_image->comps->dx * l_image->comps->dy;
5054 l_size_pixel = l_image->numcomps * l_image->comps->prec;
5055 l_sot_remove = (OPJ_FLOAT32) opj_stream_tell(p_stream) / (OPJ_FLOAT32)(
5056 l_cp->th * l_cp->tw);
5057
5058 if (l_cp->m_specific_param.m_enc.m_tp_on) {
5059 l_tp_stride_func = opj_j2k_get_tp_stride;
5060 } else {
5061 l_tp_stride_func = opj_j2k_get_default_stride;
5062 }
5063
5064 for (i = 0; i < l_cp->th; ++i) {
5065 for (j = 0; j < l_cp->tw; ++j) {
5066 OPJ_FLOAT32 l_offset = (OPJ_FLOAT32)(*l_tp_stride_func)(l_tcp) /
5067 (OPJ_FLOAT32)l_tcp->numlayers;
5068
5069 /* 4 borders of the tile rescale on the image if necessary */
5070 l_x0 = opj_int_max((OPJ_INT32)(l_cp->tx0 + j * l_cp->tdx),
5071 (OPJ_INT32)l_image->x0);
5072 l_y0 = opj_int_max((OPJ_INT32)(l_cp->ty0 + i * l_cp->tdy),
5073 (OPJ_INT32)l_image->y0);
5074 l_x1 = opj_int_min((OPJ_INT32)(l_cp->tx0 + (j + 1) * l_cp->tdx),
5075 (OPJ_INT32)l_image->x1);
5076 l_y1 = opj_int_min((OPJ_INT32)(l_cp->ty0 + (i + 1) * l_cp->tdy),
5077 (OPJ_INT32)l_image->y1);
5078
5079 l_rates = l_tcp->rates;
5080
5081 /* Modification of the RATE >> */
5082 if (*l_rates > 0.0f) {
5083 *l_rates = (((OPJ_FLOAT32)(l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) *
5084 (OPJ_UINT32)(l_y1 - l_y0)))
5085 /
5086 ((*l_rates) * (OPJ_FLOAT32)l_bits_empty)
5087 )
5088 -
5089 l_offset;
5090 }
5091
5092 ++l_rates;
5093
5094 for (k = 1; k < l_tcp->numlayers; ++k) {
5095 if (*l_rates > 0.0f) {
5096 *l_rates = (((OPJ_FLOAT32)(l_size_pixel * (OPJ_UINT32)(l_x1 - l_x0) *
5097 (OPJ_UINT32)(l_y1 - l_y0)))
5098 /
5099 ((*l_rates) * (OPJ_FLOAT32)l_bits_empty)
5100 )
5101 -
5102 l_offset;
5103 }
5104
5105 ++l_rates;
5106 }
5107
5108 ++l_tcp;
5109
5110 }
5111 }
5112
5113 l_tcp = l_cp->tcps;
5114
5115 for (i = 0; i < l_cp->th; ++i) {
5116 for (j = 0; j < l_cp->tw; ++j) {
5117 l_rates = l_tcp->rates;
5118
5119 if (*l_rates > 0.0f) {
5120 *l_rates -= l_sot_remove;
5121
5122 if (*l_rates < 30.0f) {
5123 *l_rates = 30.0f;
5124 }
5125 }
5126
5127 ++l_rates;
5128
5129 l_last_res = l_tcp->numlayers - 1;
5130
5131 for (k = 1; k < l_last_res; ++k) {
5132
5133 if (*l_rates > 0.0f) {
5134 *l_rates -= l_sot_remove;
5135
5136 if (*l_rates < * (l_rates - 1) + 10.0f) {
5137 *l_rates = (*(l_rates - 1)) + 20.0f;
5138 }
5139 }
5140
5141 ++l_rates;
5142 }
5143
5144 if (*l_rates > 0.0f) {
5145 *l_rates -= (l_sot_remove + 2.f);
5146
5147 if (*l_rates < * (l_rates - 1) + 10.0f) {
5148 *l_rates = (*(l_rates - 1)) + 20.0f;
5149 }
5150 }
5151
5152 ++l_tcp;
5153 }
5154 }
5155
5156 l_img_comp = l_image->comps;
5157 l_tile_size = 0;
5158
5159 for (i = 0; i < l_image->numcomps; ++i) {
5160 l_tile_size += (opj_uint_ceildiv(l_cp->tdx, l_img_comp->dx)
5161 *
5162 opj_uint_ceildiv(l_cp->tdy, l_img_comp->dy)
5163 *
5164 l_img_comp->prec
5165 );
5166
5167 ++l_img_comp;
5168 }
5169
5170 /* TODO: where does this magic value come from ? */
5171 /* This used to be 1.3 / 8, but with random data and very small code */
5172 /* block sizes, this is not enough. For example with */
5173 /* bin/test_tile_encoder 1 256 256 32 32 8 0 reversible_with_precinct.j2k 4 4 3 0 0 1 16 16 */
5174 /* TODO revise this to take into account the overhead linked to the */
5175 /* number of packets and number of code blocks in packets */
5176 l_tile_size = (OPJ_UINT32)(l_tile_size * 1.4 / 8);
5177
5178 /* Arbitrary amount to make the following work: */
5179 /* bin/test_tile_encoder 1 256 256 17 16 8 0 reversible_no_precinct.j2k 4 4 3 0 0 1 */
5180 l_tile_size += 500;
5181
5182 l_tile_size += opj_j2k_get_specific_header_sizes(p_j2k);
5183
5184 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = l_tile_size;
5185 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data =
5186 (OPJ_BYTE *) opj_malloc(p_j2k->m_specific_param.m_encoder.m_encoded_tile_size);
5187 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data == 00) {
5188 return OPJ_FALSE;
5189 }
5190
5191 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
5192 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer =
5193 (OPJ_BYTE *) opj_malloc(5 *
5194 p_j2k->m_specific_param.m_encoder.m_total_tile_parts);
5195 if (! p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
5196 return OPJ_FALSE;
5197 }
5198
5199 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current =
5200 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer;
5201 }
5202
5203 return OPJ_TRUE;
5204}
5205
5206#if 0
5207static OPJ_BOOL opj_j2k_read_eoc(opj_j2k_t *p_j2k,
5208 opj_stream_private_t *p_stream,
5209 opj_event_mgr_t * p_manager)
5210{
5211 OPJ_UINT32 i;
5212 opj_tcd_t * l_tcd = 00;
5213 OPJ_UINT32 l_nb_tiles;
5214 opj_tcp_t * l_tcp = 00;
5215 OPJ_BOOL l_success;
5216
5217 /* preconditions */
5218 assert(p_j2k != 00);
5219 assert(p_manager != 00);
5220 assert(p_stream != 00);
5221
5222 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
5223 l_tcp = p_j2k->m_cp.tcps;
5224
5225 l_tcd = opj_tcd_create(OPJ_TRUE);
5226 if (l_tcd == 00) {
5227 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5228 return OPJ_FALSE;
5229 }
5230
5231 for (i = 0; i < l_nb_tiles; ++i) {
5232 if (l_tcp->m_data) {
5233 if (! opj_tcd_init_decode_tile(l_tcd, i)) {
5234 opj_tcd_destroy(l_tcd);
5235 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
5236 return OPJ_FALSE;
5237 }
5238
5239 l_success = opj_tcd_decode_tile(l_tcd, l_tcp->m_data, l_tcp->m_data_size, i,
5240 p_j2k->cstr_index);
5241 /* cleanup */
5242
5243 if (! l_success) {
5244 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
5245 break;
5246 }
5247 }
5248
5249 opj_j2k_tcp_destroy(l_tcp);
5250 ++l_tcp;
5251 }
5252
5253 opj_tcd_destroy(l_tcd);
5254 return OPJ_TRUE;
5255}
5256#endif
5257
5258static OPJ_BOOL opj_j2k_get_end_header(opj_j2k_t *p_j2k,
5259 struct opj_stream_private *p_stream,
5260 struct opj_event_mgr * p_manager)
5261{
5262 /* preconditions */
5263 assert(p_j2k != 00);
5264 assert(p_manager != 00);
5265 assert(p_stream != 00);
5266
5267 OPJ_UNUSED(p_manager);
5268
5269 p_j2k->cstr_index->main_head_end = opj_stream_tell(p_stream);
5270
5271 return OPJ_TRUE;
5272}
5273
5274static OPJ_BOOL opj_j2k_write_mct_data_group(opj_j2k_t *p_j2k,
5275 struct opj_stream_private *p_stream,
5276 struct opj_event_mgr * p_manager)
5277{
5278 OPJ_UINT32 i;
5279 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5280 opj_mct_data_t * l_mct_record;
5281 opj_tcp_t * l_tcp;
5282
5283 /* preconditions */
5284 assert(p_j2k != 00);
5285 assert(p_stream != 00);
5286 assert(p_manager != 00);
5287
5288 if (! opj_j2k_write_cbd(p_j2k, p_stream, p_manager)) {
5289 return OPJ_FALSE;
5290 }
5291
5292 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
5293 l_mct_record = l_tcp->m_mct_records;
5294
5295 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5296
5297 if (! opj_j2k_write_mct_record(p_j2k, l_mct_record, p_stream, p_manager)) {
5298 return OPJ_FALSE;
5299 }
5300
5301 ++l_mct_record;
5302 }
5303
5304 l_mcc_record = l_tcp->m_mcc_records;
5305
5306 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5307
5308 if (! opj_j2k_write_mcc_record(p_j2k, l_mcc_record, p_stream, p_manager)) {
5309 return OPJ_FALSE;
5310 }
5311
5312 ++l_mcc_record;
5313 }
5314
5315 if (! opj_j2k_write_mco(p_j2k, p_stream, p_manager)) {
5316 return OPJ_FALSE;
5317 }
5318
5319 return OPJ_TRUE;
5320}
5321
5322static OPJ_BOOL opj_j2k_write_all_coc(
5323 opj_j2k_t *p_j2k,
5324 struct opj_stream_private *p_stream,
5325 struct opj_event_mgr * p_manager)
5326{
5327 OPJ_UINT32 compno;
5328
5329 /* preconditions */
5330 assert(p_j2k != 00);
5331 assert(p_manager != 00);
5332 assert(p_stream != 00);
5333
5334 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5335 /* cod is first component of first tile */
5336 if (! opj_j2k_compare_coc(p_j2k, 0, compno)) {
5337 if (! opj_j2k_write_coc(p_j2k, compno, p_stream, p_manager)) {
5338 return OPJ_FALSE;
5339 }
5340 }
5341 }
5342
5343 return OPJ_TRUE;
5344}
5345
5346static OPJ_BOOL opj_j2k_write_all_qcc(
5347 opj_j2k_t *p_j2k,
5348 struct opj_stream_private *p_stream,
5349 struct opj_event_mgr * p_manager)
5350{
5351 OPJ_UINT32 compno;
5352
5353 /* preconditions */
5354 assert(p_j2k != 00);
5355 assert(p_manager != 00);
5356 assert(p_stream != 00);
5357
5358 for (compno = 1; compno < p_j2k->m_private_image->numcomps; ++compno) {
5359 /* qcd is first component of first tile */
5360 if (! opj_j2k_compare_qcc(p_j2k, 0, compno)) {
5361 if (! opj_j2k_write_qcc(p_j2k, compno, p_stream, p_manager)) {
5362 return OPJ_FALSE;
5363 }
5364 }
5365 }
5366 return OPJ_TRUE;
5367}
5368
5369static OPJ_BOOL opj_j2k_write_regions(opj_j2k_t *p_j2k,
5370 struct opj_stream_private *p_stream,
5371 struct opj_event_mgr * p_manager)
5372{
5373 OPJ_UINT32 compno;
5374 const opj_tccp_t *l_tccp = 00;
5375
5376 /* preconditions */
5377 assert(p_j2k != 00);
5378 assert(p_manager != 00);
5379 assert(p_stream != 00);
5380
5381 l_tccp = p_j2k->m_cp.tcps->tccps;
5382
5383 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
5384 if (l_tccp->roishift) {
5385
5386 if (! opj_j2k_write_rgn(p_j2k, 0, compno, p_j2k->m_private_image->numcomps,
5387 p_stream, p_manager)) {
5388 return OPJ_FALSE;
5389 }
5390 }
5391
5392 ++l_tccp;
5393 }
5394
5395 return OPJ_TRUE;
5396}
5397
5398static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
5399 struct opj_stream_private *p_stream,
5400 struct opj_event_mgr * p_manager)
5401{
5402 opj_codestream_index_t * l_cstr_index = 00;
5403
5404 /* preconditions */
5405 assert(p_j2k != 00);
5406 assert(p_manager != 00);
5407 assert(p_stream != 00);
5408
5409 OPJ_UNUSED(p_manager);
5410
5411 l_cstr_index = p_j2k->cstr_index;
5412 if (l_cstr_index) {
5413 l_cstr_index->codestream_size = (OPJ_UINT64)opj_stream_tell(p_stream);
5414 /* UniPG>> */
5415 /* The following adjustment is done to adjust the codestream size */
5416 /* if SOD is not at 0 in the buffer. Useful in case of JP2, where */
5417 /* the first bunch of bytes is not in the codestream */
5418 l_cstr_index->codestream_size -= (OPJ_UINT64)l_cstr_index->main_head_start;
5419 /* <<UniPG */
5420 }
5421
5422#ifdef USE_JPWL
5423 /* preparation of JPWL marker segments */
5424#if 0
5425 if (cp->epc_on) {
5426
5427 /* encode according to JPWL */
5428 jpwl_encode(p_j2k, p_stream, image);
5429
5430 }
5431#endif
5432 assert(0 && "TODO");
5433#endif /* USE_JPWL */
5434
5435 return OPJ_TRUE;
5436}
5437
5438static OPJ_BOOL opj_j2k_read_unk(opj_j2k_t *p_j2k,
5439 opj_stream_private_t *p_stream,
5440 OPJ_UINT32 *output_marker,
5441 opj_event_mgr_t * p_manager
5442 )
5443{
5444 OPJ_UINT32 l_unknown_marker;
5445 const opj_dec_memory_marker_handler_t * l_marker_handler;
5446 OPJ_UINT32 l_size_unk = 2;
5447
5448 /* preconditions*/
5449 assert(p_j2k != 00);
5450 assert(p_manager != 00);
5451 assert(p_stream != 00);
5452
5453 opj_event_msg(p_manager, EVT_WARNING, "Unknown marker\n");
5454
5455 for (;;) {
5456 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
5457 if (opj_stream_read_data(p_stream,
5458 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
5459 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
5460 return OPJ_FALSE;
5461 }
5462
5463 /* read 2 bytes as the new marker ID*/
5464 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
5465 &l_unknown_marker, 2);
5466
5467 if (!(l_unknown_marker < 0xff00)) {
5468
5469 /* Get the marker handler from the marker ID*/
5470 l_marker_handler = opj_j2k_get_marker_handler(l_unknown_marker);
5471
5472 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
5473 opj_event_msg(p_manager, EVT_ERROR,
5474 "Marker is not compliant with its position\n");
5475 return OPJ_FALSE;
5476 } else {
5477 if (l_marker_handler->id != J2K_MS_UNK) {
5478 /* Add the marker to the codestream index*/
5479 if (l_marker_handler->id != J2K_MS_SOT) {
5480 OPJ_BOOL res = opj_j2k_add_mhmarker(p_j2k->cstr_index, J2K_MS_UNK,
5481 (OPJ_UINT32) opj_stream_tell(p_stream) - l_size_unk,
5482 l_size_unk);
5483 if (res == OPJ_FALSE) {
5484 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
5485 return OPJ_FALSE;
5486 }
5487 }
5488 break; /* next marker is known and well located */
5489 } else {
5490 l_size_unk += 2;
5491 }
5492 }
5493 }
5494 }
5495
5496 *output_marker = l_marker_handler->id ;
5497
5498 return OPJ_TRUE;
5499}
5500
5501static OPJ_BOOL opj_j2k_write_mct_record(opj_j2k_t *p_j2k,
5502 opj_mct_data_t * p_mct_record,
5503 struct opj_stream_private *p_stream,
5504 struct opj_event_mgr * p_manager)
5505{
5506 OPJ_UINT32 l_mct_size;
5507 OPJ_BYTE * l_current_data = 00;
5508 OPJ_UINT32 l_tmp;
5509
5510 /* preconditions */
5511 assert(p_j2k != 00);
5512 assert(p_manager != 00);
5513 assert(p_stream != 00);
5514
5515 l_mct_size = 10 + p_mct_record->m_data_size;
5516
5517 if (l_mct_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5518 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5519 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size);
5520 if (! new_header_tile_data) {
5521 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5522 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5523 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5524 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCT marker\n");
5525 return OPJ_FALSE;
5526 }
5527 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5528 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mct_size;
5529 }
5530
5531 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5532
5533 opj_write_bytes(l_current_data, J2K_MS_MCT,
5534 2); /* MCT */
5535 l_current_data += 2;
5536
5537 opj_write_bytes(l_current_data, l_mct_size - 2,
5538 2); /* Lmct */
5539 l_current_data += 2;
5540
5541 opj_write_bytes(l_current_data, 0,
5542 2); /* Zmct */
5543 l_current_data += 2;
5544
5545 /* only one marker atm */
5546 l_tmp = (p_mct_record->m_index & 0xff) | (p_mct_record->m_array_type << 8) |
5547 (p_mct_record->m_element_type << 10);
5548
5549 opj_write_bytes(l_current_data, l_tmp, 2);
5550 l_current_data += 2;
5551
5552 opj_write_bytes(l_current_data, 0,
5553 2); /* Ymct */
5554 l_current_data += 2;
5555
5556 memcpy(l_current_data, p_mct_record->m_data, p_mct_record->m_data_size);
5557
5558 if (opj_stream_write_data(p_stream,
5559 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mct_size,
5560 p_manager) != l_mct_size) {
5561 return OPJ_FALSE;
5562 }
5563
5564 return OPJ_TRUE;
5565}
5566
5567/**
5568 * Reads a MCT marker (Multiple Component Transform)
5569 *
5570 * @param p_header_data the data contained in the MCT box.
5571 * @param p_j2k the jpeg2000 codec.
5572 * @param p_header_size the size of the data contained in the MCT marker.
5573 * @param p_manager the user event manager.
5574*/
5575static OPJ_BOOL opj_j2k_read_mct(opj_j2k_t *p_j2k,
5576 OPJ_BYTE * p_header_data,
5577 OPJ_UINT32 p_header_size,
5578 opj_event_mgr_t * p_manager
5579 )
5580{
5581 OPJ_UINT32 i;
5582 opj_tcp_t *l_tcp = 00;
5583 OPJ_UINT32 l_tmp;
5584 OPJ_UINT32 l_indix;
5585 opj_mct_data_t * l_mct_data;
5586
5587 /* preconditions */
5588 assert(p_header_data != 00);
5589 assert(p_j2k != 00);
5590
5591 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5592 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5593 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5594
5595 if (p_header_size < 2) {
5596 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5597 return OPJ_FALSE;
5598 }
5599
5600 /* first marker */
5601 opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmct */
5602 p_header_data += 2;
5603 if (l_tmp != 0) {
5604 opj_event_msg(p_manager, EVT_WARNING,
5605 "Cannot take in charge mct data within multiple MCT records\n");
5606 return OPJ_TRUE;
5607 }
5608
5609 if (p_header_size <= 6) {
5610 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5611 return OPJ_FALSE;
5612 }
5613
5614 /* Imct -> no need for other values, take the first, type is double with decorrelation x0000 1101 0000 0000*/
5615 opj_read_bytes(p_header_data, &l_tmp, 2); /* Imct */
5616 p_header_data += 2;
5617
5618 l_indix = l_tmp & 0xff;
5619 l_mct_data = l_tcp->m_mct_records;
5620
5621 for (i = 0; i < l_tcp->m_nb_mct_records; ++i) {
5622 if (l_mct_data->m_index == l_indix) {
5623 break;
5624 }
5625 ++l_mct_data;
5626 }
5627
5628 /* NOT FOUND */
5629 if (i == l_tcp->m_nb_mct_records) {
5630 if (l_tcp->m_nb_mct_records == l_tcp->m_nb_max_mct_records) {
5631 opj_mct_data_t *new_mct_records;
5632 l_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
5633
5634 new_mct_records = (opj_mct_data_t *) opj_realloc(l_tcp->m_mct_records,
5635 l_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
5636 if (! new_mct_records) {
5637 opj_free(l_tcp->m_mct_records);
5638 l_tcp->m_mct_records = NULL;
5639 l_tcp->m_nb_max_mct_records = 0;
5640 l_tcp->m_nb_mct_records = 0;
5641 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCT marker\n");
5642 return OPJ_FALSE;
5643 }
5644
5645 /* Update m_mcc_records[].m_offset_array and m_decorrelation_array
5646 * to point to the new addresses */
5647 if (new_mct_records != l_tcp->m_mct_records) {
5648 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5649 opj_simple_mcc_decorrelation_data_t* l_mcc_record =
5650 &(l_tcp->m_mcc_records[i]);
5651 if (l_mcc_record->m_decorrelation_array) {
5652 l_mcc_record->m_decorrelation_array =
5653 new_mct_records +
5654 (l_mcc_record->m_decorrelation_array -
5655 l_tcp->m_mct_records);
5656 }
5657 if (l_mcc_record->m_offset_array) {
5658 l_mcc_record->m_offset_array =
5659 new_mct_records +
5660 (l_mcc_record->m_offset_array -
5661 l_tcp->m_mct_records);
5662 }
5663 }
5664 }
5665
5666 l_tcp->m_mct_records = new_mct_records;
5667 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5668 memset(l_mct_data, 0, (l_tcp->m_nb_max_mct_records - l_tcp->m_nb_mct_records) *
5669 sizeof(opj_mct_data_t));
5670 }
5671
5672 l_mct_data = l_tcp->m_mct_records + l_tcp->m_nb_mct_records;
5673 ++l_tcp->m_nb_mct_records;
5674 }
5675
5676 if (l_mct_data->m_data) {
5677 opj_free(l_mct_data->m_data);
5678 l_mct_data->m_data = 00;
5679 l_mct_data->m_data_size = 0;
5680 }
5681
5682 l_mct_data->m_index = l_indix;
5683 l_mct_data->m_array_type = (J2K_MCT_ARRAY_TYPE)((l_tmp >> 8) & 3);
5684 l_mct_data->m_element_type = (J2K_MCT_ELEMENT_TYPE)((l_tmp >> 10) & 3);
5685
5686 opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymct */
5687 p_header_data += 2;
5688 if (l_tmp != 0) {
5689 opj_event_msg(p_manager, EVT_WARNING,
5690 "Cannot take in charge multiple MCT markers\n");
5691 return OPJ_TRUE;
5692 }
5693
5694 p_header_size -= 6;
5695
5696 l_mct_data->m_data = (OPJ_BYTE*)opj_malloc(p_header_size);
5697 if (! l_mct_data->m_data) {
5698 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCT marker\n");
5699 return OPJ_FALSE;
5700 }
5701 memcpy(l_mct_data->m_data, p_header_data, p_header_size);
5702
5703 l_mct_data->m_data_size = p_header_size;
5704
5705 return OPJ_TRUE;
5706}
5707
5708static OPJ_BOOL opj_j2k_write_mcc_record(opj_j2k_t *p_j2k,
5709 struct opj_simple_mcc_decorrelation_data * p_mcc_record,
5710 struct opj_stream_private *p_stream,
5711 struct opj_event_mgr * p_manager)
5712{
5713 OPJ_UINT32 i;
5714 OPJ_UINT32 l_mcc_size;
5715 OPJ_BYTE * l_current_data = 00;
5716 OPJ_UINT32 l_nb_bytes_for_comp;
5717 OPJ_UINT32 l_mask;
5718 OPJ_UINT32 l_tmcc;
5719
5720 /* preconditions */
5721 assert(p_j2k != 00);
5722 assert(p_manager != 00);
5723 assert(p_stream != 00);
5724
5725 if (p_mcc_record->m_nb_comps > 255) {
5726 l_nb_bytes_for_comp = 2;
5727 l_mask = 0x8000;
5728 } else {
5729 l_nb_bytes_for_comp = 1;
5730 l_mask = 0;
5731 }
5732
5733 l_mcc_size = p_mcc_record->m_nb_comps * 2 * l_nb_bytes_for_comp + 19;
5734 if (l_mcc_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
5735 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
5736 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size);
5737 if (! new_header_tile_data) {
5738 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
5739 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
5740 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
5741 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCC marker\n");
5742 return OPJ_FALSE;
5743 }
5744 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
5745 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mcc_size;
5746 }
5747
5748 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
5749
5750 opj_write_bytes(l_current_data, J2K_MS_MCC,
5751 2); /* MCC */
5752 l_current_data += 2;
5753
5754 opj_write_bytes(l_current_data, l_mcc_size - 2,
5755 2); /* Lmcc */
5756 l_current_data += 2;
5757
5758 /* first marker */
5759 opj_write_bytes(l_current_data, 0,
5760 2); /* Zmcc */
5761 l_current_data += 2;
5762
5763 opj_write_bytes(l_current_data, p_mcc_record->m_index,
5764 1); /* Imcc -> no need for other values, take the first */
5765 ++l_current_data;
5766
5767 /* only one marker atm */
5768 opj_write_bytes(l_current_data, 0,
5769 2); /* Ymcc */
5770 l_current_data += 2;
5771
5772 opj_write_bytes(l_current_data, 1,
5773 2); /* Qmcc -> number of collections -> 1 */
5774 l_current_data += 2;
5775
5776 opj_write_bytes(l_current_data, 0x1,
5777 1); /* Xmcci type of component transformation -> array based decorrelation */
5778 ++l_current_data;
5779
5780 opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
5781 2); /* Nmcci number of input components involved and size for each component offset = 8 bits */
5782 l_current_data += 2;
5783
5784 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
5785 opj_write_bytes(l_current_data, i,
5786 l_nb_bytes_for_comp); /* Cmccij Component offset*/
5787 l_current_data += l_nb_bytes_for_comp;
5788 }
5789
5790 opj_write_bytes(l_current_data, p_mcc_record->m_nb_comps | l_mask,
5791 2); /* Mmcci number of output components involved and size for each component offset = 8 bits */
5792 l_current_data += 2;
5793
5794 for (i = 0; i < p_mcc_record->m_nb_comps; ++i) {
5795 opj_write_bytes(l_current_data, i,
5796 l_nb_bytes_for_comp); /* Wmccij Component offset*/
5797 l_current_data += l_nb_bytes_for_comp;
5798 }
5799
5800 l_tmcc = ((!p_mcc_record->m_is_irreversible) & 1U) << 16;
5801
5802 if (p_mcc_record->m_decorrelation_array) {
5803 l_tmcc |= p_mcc_record->m_decorrelation_array->m_index;
5804 }
5805
5806 if (p_mcc_record->m_offset_array) {
5807 l_tmcc |= ((p_mcc_record->m_offset_array->m_index) << 8);
5808 }
5809
5810 opj_write_bytes(l_current_data, l_tmcc,
5811 3); /* Tmcci : use MCT defined as number 1 and irreversible array based. */
5812 l_current_data += 3;
5813
5814 if (opj_stream_write_data(p_stream,
5815 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mcc_size,
5816 p_manager) != l_mcc_size) {
5817 return OPJ_FALSE;
5818 }
5819
5820 return OPJ_TRUE;
5821}
5822
5823static OPJ_BOOL opj_j2k_read_mcc(opj_j2k_t *p_j2k,
5824 OPJ_BYTE * p_header_data,
5825 OPJ_UINT32 p_header_size,
5826 opj_event_mgr_t * p_manager)
5827{
5828 OPJ_UINT32 i, j;
5829 OPJ_UINT32 l_tmp;
5830 OPJ_UINT32 l_indix;
5831 opj_tcp_t * l_tcp;
5832 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
5833 opj_mct_data_t * l_mct_data;
5834 OPJ_UINT32 l_nb_collections;
5835 OPJ_UINT32 l_nb_comps;
5836 OPJ_UINT32 l_nb_bytes_by_comp;
5837 OPJ_BOOL l_new_mcc = OPJ_FALSE;
5838
5839 /* preconditions */
5840 assert(p_header_data != 00);
5841 assert(p_j2k != 00);
5842 assert(p_manager != 00);
5843
5844 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
5845 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
5846 p_j2k->m_specific_param.m_decoder.m_default_tcp;
5847
5848 if (p_header_size < 2) {
5849 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5850 return OPJ_FALSE;
5851 }
5852
5853 /* first marker */
5854 opj_read_bytes(p_header_data, &l_tmp, 2); /* Zmcc */
5855 p_header_data += 2;
5856 if (l_tmp != 0) {
5857 opj_event_msg(p_manager, EVT_WARNING,
5858 "Cannot take in charge multiple data spanning\n");
5859 return OPJ_TRUE;
5860 }
5861
5862 if (p_header_size < 7) {
5863 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5864 return OPJ_FALSE;
5865 }
5866
5867 opj_read_bytes(p_header_data, &l_indix,
5868 1); /* Imcc -> no need for other values, take the first */
5869 ++p_header_data;
5870
5871 l_mcc_record = l_tcp->m_mcc_records;
5872
5873 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
5874 if (l_mcc_record->m_index == l_indix) {
5875 break;
5876 }
5877 ++l_mcc_record;
5878 }
5879
5880 /** NOT FOUND */
5881 if (i == l_tcp->m_nb_mcc_records) {
5882 if (l_tcp->m_nb_mcc_records == l_tcp->m_nb_max_mcc_records) {
5883 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
5884 l_tcp->m_nb_max_mcc_records += OPJ_J2K_MCC_DEFAULT_NB_RECORDS;
5885
5886 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
5887 l_tcp->m_mcc_records, l_tcp->m_nb_max_mcc_records * sizeof(
5888 opj_simple_mcc_decorrelation_data_t));
5889 if (! new_mcc_records) {
5890 opj_free(l_tcp->m_mcc_records);
5891 l_tcp->m_mcc_records = NULL;
5892 l_tcp->m_nb_max_mcc_records = 0;
5893 l_tcp->m_nb_mcc_records = 0;
5894 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read MCC marker\n");
5895 return OPJ_FALSE;
5896 }
5897 l_tcp->m_mcc_records = new_mcc_records;
5898 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
5899 memset(l_mcc_record, 0, (l_tcp->m_nb_max_mcc_records - l_tcp->m_nb_mcc_records)
5900 * sizeof(opj_simple_mcc_decorrelation_data_t));
5901 }
5902 l_mcc_record = l_tcp->m_mcc_records + l_tcp->m_nb_mcc_records;
5903 l_new_mcc = OPJ_TRUE;
5904 }
5905 l_mcc_record->m_index = l_indix;
5906
5907 /* only one marker atm */
5908 opj_read_bytes(p_header_data, &l_tmp, 2); /* Ymcc */
5909 p_header_data += 2;
5910 if (l_tmp != 0) {
5911 opj_event_msg(p_manager, EVT_WARNING,
5912 "Cannot take in charge multiple data spanning\n");
5913 return OPJ_TRUE;
5914 }
5915
5916 opj_read_bytes(p_header_data, &l_nb_collections,
5917 2); /* Qmcc -> number of collections -> 1 */
5918 p_header_data += 2;
5919
5920 if (l_nb_collections > 1) {
5921 opj_event_msg(p_manager, EVT_WARNING,
5922 "Cannot take in charge multiple collections\n");
5923 return OPJ_TRUE;
5924 }
5925
5926 p_header_size -= 7;
5927
5928 for (i = 0; i < l_nb_collections; ++i) {
5929 if (p_header_size < 3) {
5930 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5931 return OPJ_FALSE;
5932 }
5933
5934 opj_read_bytes(p_header_data, &l_tmp,
5935 1); /* Xmcci type of component transformation -> array based decorrelation */
5936 ++p_header_data;
5937
5938 if (l_tmp != 1) {
5939 opj_event_msg(p_manager, EVT_WARNING,
5940 "Cannot take in charge collections other than array decorrelation\n");
5941 return OPJ_TRUE;
5942 }
5943
5944 opj_read_bytes(p_header_data, &l_nb_comps, 2);
5945
5946 p_header_data += 2;
5947 p_header_size -= 3;
5948
5949 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
5950 l_mcc_record->m_nb_comps = l_nb_comps & 0x7fff;
5951
5952 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2)) {
5953 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5954 return OPJ_FALSE;
5955 }
5956
5957 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 2);
5958
5959 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
5960 opj_read_bytes(p_header_data, &l_tmp,
5961 l_nb_bytes_by_comp); /* Cmccij Component offset*/
5962 p_header_data += l_nb_bytes_by_comp;
5963
5964 if (l_tmp != j) {
5965 opj_event_msg(p_manager, EVT_WARNING,
5966 "Cannot take in charge collections with indix shuffle\n");
5967 return OPJ_TRUE;
5968 }
5969 }
5970
5971 opj_read_bytes(p_header_data, &l_nb_comps, 2);
5972 p_header_data += 2;
5973
5974 l_nb_bytes_by_comp = 1 + (l_nb_comps >> 15);
5975 l_nb_comps &= 0x7fff;
5976
5977 if (l_nb_comps != l_mcc_record->m_nb_comps) {
5978 opj_event_msg(p_manager, EVT_WARNING,
5979 "Cannot take in charge collections without same number of indixes\n");
5980 return OPJ_TRUE;
5981 }
5982
5983 if (p_header_size < (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3)) {
5984 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
5985 return OPJ_FALSE;
5986 }
5987
5988 p_header_size -= (l_nb_bytes_by_comp * l_mcc_record->m_nb_comps + 3);
5989
5990 for (j = 0; j < l_mcc_record->m_nb_comps; ++j) {
5991 opj_read_bytes(p_header_data, &l_tmp,
5992 l_nb_bytes_by_comp); /* Wmccij Component offset*/
5993 p_header_data += l_nb_bytes_by_comp;
5994
5995 if (l_tmp != j) {
5996 opj_event_msg(p_manager, EVT_WARNING,
5997 "Cannot take in charge collections with indix shuffle\n");
5998 return OPJ_TRUE;
5999 }
6000 }
6001
6002 opj_read_bytes(p_header_data, &l_tmp, 3); /* Wmccij Component offset*/
6003 p_header_data += 3;
6004
6005 l_mcc_record->m_is_irreversible = !((l_tmp >> 16) & 1);
6006 l_mcc_record->m_decorrelation_array = 00;
6007 l_mcc_record->m_offset_array = 00;
6008
6009 l_indix = l_tmp & 0xff;
6010 if (l_indix != 0) {
6011 l_mct_data = l_tcp->m_mct_records;
6012 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6013 if (l_mct_data->m_index == l_indix) {
6014 l_mcc_record->m_decorrelation_array = l_mct_data;
6015 break;
6016 }
6017 ++l_mct_data;
6018 }
6019
6020 if (l_mcc_record->m_decorrelation_array == 00) {
6021 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6022 return OPJ_FALSE;
6023 }
6024 }
6025
6026 l_indix = (l_tmp >> 8) & 0xff;
6027 if (l_indix != 0) {
6028 l_mct_data = l_tcp->m_mct_records;
6029 for (j = 0; j < l_tcp->m_nb_mct_records; ++j) {
6030 if (l_mct_data->m_index == l_indix) {
6031 l_mcc_record->m_offset_array = l_mct_data;
6032 break;
6033 }
6034 ++l_mct_data;
6035 }
6036
6037 if (l_mcc_record->m_offset_array == 00) {
6038 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6039 return OPJ_FALSE;
6040 }
6041 }
6042 }
6043
6044 if (p_header_size != 0) {
6045 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCC marker\n");
6046 return OPJ_FALSE;
6047 }
6048
6049 if (l_new_mcc) {
6050 ++l_tcp->m_nb_mcc_records;
6051 }
6052
6053 return OPJ_TRUE;
6054}
6055
6056static OPJ_BOOL opj_j2k_write_mco(opj_j2k_t *p_j2k,
6057 struct opj_stream_private *p_stream,
6058 struct opj_event_mgr * p_manager
6059 )
6060{
6061 OPJ_BYTE * l_current_data = 00;
6062 OPJ_UINT32 l_mco_size;
6063 opj_tcp_t * l_tcp = 00;
6064 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6065 OPJ_UINT32 i;
6066
6067 /* preconditions */
6068 assert(p_j2k != 00);
6069 assert(p_manager != 00);
6070 assert(p_stream != 00);
6071
6072 l_tcp = &(p_j2k->m_cp.tcps[p_j2k->m_current_tile_number]);
6073
6074 l_mco_size = 5 + l_tcp->m_nb_mcc_records;
6075 if (l_mco_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6076
6077 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6078 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size);
6079 if (! new_header_tile_data) {
6080 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6081 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6082 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6083 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write MCO marker\n");
6084 return OPJ_FALSE;
6085 }
6086 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6087 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_mco_size;
6088 }
6089 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6090
6091
6092 opj_write_bytes(l_current_data, J2K_MS_MCO, 2); /* MCO */
6093 l_current_data += 2;
6094
6095 opj_write_bytes(l_current_data, l_mco_size - 2, 2); /* Lmco */
6096 l_current_data += 2;
6097
6098 opj_write_bytes(l_current_data, l_tcp->m_nb_mcc_records,
6099 1); /* Nmco : only one transform stage*/
6100 ++l_current_data;
6101
6102 l_mcc_record = l_tcp->m_mcc_records;
6103 for (i = 0; i < l_tcp->m_nb_mcc_records; ++i) {
6104 opj_write_bytes(l_current_data, l_mcc_record->m_index,
6105 1); /* Imco -> use the mcc indicated by 1*/
6106 ++l_current_data;
6107 ++l_mcc_record;
6108 }
6109
6110 if (opj_stream_write_data(p_stream,
6111 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_mco_size,
6112 p_manager) != l_mco_size) {
6113 return OPJ_FALSE;
6114 }
6115
6116 return OPJ_TRUE;
6117}
6118
6119/**
6120 * Reads a MCO marker (Multiple Component Transform Ordering)
6121 *
6122 * @param p_header_data the data contained in the MCO box.
6123 * @param p_j2k the jpeg2000 codec.
6124 * @param p_header_size the size of the data contained in the MCO marker.
6125 * @param p_manager the user event manager.
6126*/
6127static OPJ_BOOL opj_j2k_read_mco(opj_j2k_t *p_j2k,
6128 OPJ_BYTE * p_header_data,
6129 OPJ_UINT32 p_header_size,
6130 opj_event_mgr_t * p_manager
6131 )
6132{
6133 OPJ_UINT32 l_tmp, i;
6134 OPJ_UINT32 l_nb_stages;
6135 opj_tcp_t * l_tcp;
6136 opj_tccp_t * l_tccp;
6137 opj_image_t * l_image;
6138
6139 /* preconditions */
6140 assert(p_header_data != 00);
6141 assert(p_j2k != 00);
6142 assert(p_manager != 00);
6143
6144 l_image = p_j2k->m_private_image;
6145 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
6146 &p_j2k->m_cp.tcps[p_j2k->m_current_tile_number] :
6147 p_j2k->m_specific_param.m_decoder.m_default_tcp;
6148
6149 if (p_header_size < 1) {
6150 opj_event_msg(p_manager, EVT_ERROR, "Error reading MCO marker\n");
6151 return OPJ_FALSE;
6152 }
6153
6154 opj_read_bytes(p_header_data, &l_nb_stages,
6155 1); /* Nmco : only one transform stage*/
6156 ++p_header_data;
6157
6158 if (l_nb_stages > 1) {
6159 opj_event_msg(p_manager, EVT_WARNING,
6160 "Cannot take in charge multiple transformation stages.\n");
6161 return OPJ_TRUE;
6162 }
6163
6164 if (p_header_size != l_nb_stages + 1) {
6165 opj_event_msg(p_manager, EVT_WARNING, "Error reading MCO marker\n");
6166 return OPJ_FALSE;
6167 }
6168
6169 l_tccp = l_tcp->tccps;
6170
6171 for (i = 0; i < l_image->numcomps; ++i) {
6172 l_tccp->m_dc_level_shift = 0;
6173 ++l_tccp;
6174 }
6175
6176 if (l_tcp->m_mct_decoding_matrix) {
6177 opj_free(l_tcp->m_mct_decoding_matrix);
6178 l_tcp->m_mct_decoding_matrix = 00;
6179 }
6180
6181 for (i = 0; i < l_nb_stages; ++i) {
6182 opj_read_bytes(p_header_data, &l_tmp, 1);
6183 ++p_header_data;
6184
6185 if (! opj_j2k_add_mct(l_tcp, p_j2k->m_private_image, l_tmp)) {
6186 return OPJ_FALSE;
6187 }
6188 }
6189
6190 return OPJ_TRUE;
6191}
6192
6193static OPJ_BOOL opj_j2k_add_mct(opj_tcp_t * p_tcp, opj_image_t * p_image,
6194 OPJ_UINT32 p_index)
6195{
6196 OPJ_UINT32 i;
6197 opj_simple_mcc_decorrelation_data_t * l_mcc_record;
6198 opj_mct_data_t * l_deco_array, * l_offset_array;
6199 OPJ_UINT32 l_data_size, l_mct_size, l_offset_size;
6200 OPJ_UINT32 l_nb_elem;
6201 OPJ_UINT32 * l_offset_data, * l_current_offset_data;
6202 opj_tccp_t * l_tccp;
6203
6204 /* preconditions */
6205 assert(p_tcp != 00);
6206
6207 l_mcc_record = p_tcp->m_mcc_records;
6208
6209 for (i = 0; i < p_tcp->m_nb_mcc_records; ++i) {
6210 if (l_mcc_record->m_index == p_index) {
6211 break;
6212 }
6213 }
6214
6215 if (i == p_tcp->m_nb_mcc_records) {
6216 /** element discarded **/
6217 return OPJ_TRUE;
6218 }
6219
6220 if (l_mcc_record->m_nb_comps != p_image->numcomps) {
6221 /** do not support number of comps != image */
6222 return OPJ_TRUE;
6223 }
6224
6225 l_deco_array = l_mcc_record->m_decorrelation_array;
6226
6227 if (l_deco_array) {
6228 l_data_size = MCT_ELEMENT_SIZE[l_deco_array->m_element_type] * p_image->numcomps
6229 * p_image->numcomps;
6230 if (l_deco_array->m_data_size != l_data_size) {
6231 return OPJ_FALSE;
6232 }
6233
6234 l_nb_elem = p_image->numcomps * p_image->numcomps;
6235 l_mct_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
6236 p_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
6237
6238 if (! p_tcp->m_mct_decoding_matrix) {
6239 return OPJ_FALSE;
6240 }
6241
6242 j2k_mct_read_functions_to_float[l_deco_array->m_element_type](
6243 l_deco_array->m_data, p_tcp->m_mct_decoding_matrix, l_nb_elem);
6244 }
6245
6246 l_offset_array = l_mcc_record->m_offset_array;
6247
6248 if (l_offset_array) {
6249 l_data_size = MCT_ELEMENT_SIZE[l_offset_array->m_element_type] *
6250 p_image->numcomps;
6251 if (l_offset_array->m_data_size != l_data_size) {
6252 return OPJ_FALSE;
6253 }
6254
6255 l_nb_elem = p_image->numcomps;
6256 l_offset_size = l_nb_elem * (OPJ_UINT32)sizeof(OPJ_UINT32);
6257 l_offset_data = (OPJ_UINT32*)opj_malloc(l_offset_size);
6258
6259 if (! l_offset_data) {
6260 return OPJ_FALSE;
6261 }
6262
6263 j2k_mct_read_functions_to_int32[l_offset_array->m_element_type](
6264 l_offset_array->m_data, l_offset_data, l_nb_elem);
6265
6266 l_tccp = p_tcp->tccps;
6267 l_current_offset_data = l_offset_data;
6268
6269 for (i = 0; i < p_image->numcomps; ++i) {
6270 l_tccp->m_dc_level_shift = (OPJ_INT32) * (l_current_offset_data++);
6271 ++l_tccp;
6272 }
6273
6274 opj_free(l_offset_data);
6275 }
6276
6277 return OPJ_TRUE;
6278}
6279
6280static OPJ_BOOL opj_j2k_write_cbd(opj_j2k_t *p_j2k,
6281 struct opj_stream_private *p_stream,
6282 struct opj_event_mgr * p_manager)
6283{
6284 OPJ_UINT32 i;
6285 OPJ_UINT32 l_cbd_size;
6286 OPJ_BYTE * l_current_data = 00;
6287 opj_image_t *l_image = 00;
6288 opj_image_comp_t * l_comp = 00;
6289
6290 /* preconditions */
6291 assert(p_j2k != 00);
6292 assert(p_manager != 00);
6293 assert(p_stream != 00);
6294
6295 l_image = p_j2k->m_private_image;
6296 l_cbd_size = 6 + p_j2k->m_private_image->numcomps;
6297
6298 if (l_cbd_size > p_j2k->m_specific_param.m_encoder.m_header_tile_data_size) {
6299 OPJ_BYTE *new_header_tile_data = (OPJ_BYTE *) opj_realloc(
6300 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size);
6301 if (! new_header_tile_data) {
6302 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
6303 p_j2k->m_specific_param.m_encoder.m_header_tile_data = NULL;
6304 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
6305 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to write CBD marker\n");
6306 return OPJ_FALSE;
6307 }
6308 p_j2k->m_specific_param.m_encoder.m_header_tile_data = new_header_tile_data;
6309 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = l_cbd_size;
6310 }
6311
6312 l_current_data = p_j2k->m_specific_param.m_encoder.m_header_tile_data;
6313
6314 opj_write_bytes(l_current_data, J2K_MS_CBD, 2); /* CBD */
6315 l_current_data += 2;
6316
6317 opj_write_bytes(l_current_data, l_cbd_size - 2, 2); /* L_CBD */
6318 l_current_data += 2;
6319
6320 opj_write_bytes(l_current_data, l_image->numcomps, 2); /* Ncbd */
6321 l_current_data += 2;
6322
6323 l_comp = l_image->comps;
6324
6325 for (i = 0; i < l_image->numcomps; ++i) {
6326 opj_write_bytes(l_current_data, (l_comp->sgnd << 7) | (l_comp->prec - 1),
6327 1); /* Component bit depth */
6328 ++l_current_data;
6329
6330 ++l_comp;
6331 }
6332
6333 if (opj_stream_write_data(p_stream,
6334 p_j2k->m_specific_param.m_encoder.m_header_tile_data, l_cbd_size,
6335 p_manager) != l_cbd_size) {
6336 return OPJ_FALSE;
6337 }
6338
6339 return OPJ_TRUE;
6340}
6341
6342/**
6343 * Reads a CBD marker (Component bit depth definition)
6344 * @param p_header_data the data contained in the CBD box.
6345 * @param p_j2k the jpeg2000 codec.
6346 * @param p_header_size the size of the data contained in the CBD marker.
6347 * @param p_manager the user event manager.
6348*/
6349static OPJ_BOOL opj_j2k_read_cbd(opj_j2k_t *p_j2k,
6350 OPJ_BYTE * p_header_data,
6351 OPJ_UINT32 p_header_size,
6352 opj_event_mgr_t * p_manager
6353 )
6354{
6355 OPJ_UINT32 l_nb_comp, l_num_comp;
6356 OPJ_UINT32 l_comp_def;
6357 OPJ_UINT32 i;
6358 opj_image_comp_t * l_comp = 00;
6359
6360 /* preconditions */
6361 assert(p_header_data != 00);
6362 assert(p_j2k != 00);
6363 assert(p_manager != 00);
6364
6365 l_num_comp = p_j2k->m_private_image->numcomps;
6366
6367 if (p_header_size != (p_j2k->m_private_image->numcomps + 2)) {
6368 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
6369 return OPJ_FALSE;
6370 }
6371
6372 opj_read_bytes(p_header_data, &l_nb_comp,
6373 2); /* Ncbd */
6374 p_header_data += 2;
6375
6376 if (l_nb_comp != l_num_comp) {
6377 opj_event_msg(p_manager, EVT_ERROR, "Crror reading CBD marker\n");
6378 return OPJ_FALSE;
6379 }
6380
6381 l_comp = p_j2k->m_private_image->comps;
6382 for (i = 0; i < l_num_comp; ++i) {
6383 opj_read_bytes(p_header_data, &l_comp_def,
6384 1); /* Component bit depth */
6385 ++p_header_data;
6386 l_comp->sgnd = (l_comp_def >> 7) & 1;
6387 l_comp->prec = (l_comp_def & 0x7f) + 1;
6388
6389 if (l_comp->prec > 31) {
6390 opj_event_msg(p_manager, EVT_ERROR,
6391 "Invalid values for comp = %d : prec=%u (should be between 1 and 38 according to the JPEG2000 norm. OpenJpeg only supports up to 31)\n",
6392 i, l_comp->prec);
6393 return OPJ_FALSE;
6394 }
6395 ++l_comp;
6396 }
6397
6398 return OPJ_TRUE;
6399}
6400
6401/* ----------------------------------------------------------------------- */
6402/* J2K / JPT decoder interface */
6403/* ----------------------------------------------------------------------- */
6404
6405void opj_j2k_setup_decoder(opj_j2k_t *j2k, opj_dparameters_t *parameters)
6406{
6407 if (j2k && parameters) {
6408 j2k->m_cp.m_specific_param.m_dec.m_layer = parameters->cp_layer;
6409 j2k->m_cp.m_specific_param.m_dec.m_reduce = parameters->cp_reduce;
6410
6411 j2k->dump_state = (parameters->flags & OPJ_DPARAMETERS_DUMP_FLAG);
6412#ifdef USE_JPWL
6413 j2k->m_cp.correct = parameters->jpwl_correct;
6414 j2k->m_cp.exp_comps = parameters->jpwl_exp_comps;
6415 j2k->m_cp.max_tiles = parameters->jpwl_max_tiles;
6416#endif /* USE_JPWL */
6417 }
6418}
6419
6420OPJ_BOOL opj_j2k_set_threads(opj_j2k_t *j2k, OPJ_UINT32 num_threads)
6421{
6422 if (opj_has_thread_support()) {
6423 opj_thread_pool_destroy(j2k->m_tp);
6424 j2k->m_tp = NULL;
6425 if (num_threads <= (OPJ_UINT32)INT_MAX) {
6426 j2k->m_tp = opj_thread_pool_create((int)num_threads);
6427 }
6428 if (j2k->m_tp == NULL) {
6429 j2k->m_tp = opj_thread_pool_create(0);
6430 return OPJ_FALSE;
6431 }
6432 return OPJ_TRUE;
6433 }
6434 return OPJ_FALSE;
6435}
6436
6437static int opj_j2k_get_default_thread_count(void)
6438{
6439#if defined(MUTEX_win32) || defined(MUTEX_pthread)
6440 const char* num_threads_str = getenv("OPJ_NUM_THREADS");
6441 int num_cpus;
6442 int num_threads;
6443
6444 if (num_threads_str == NULL || !opj_has_thread_support()) {
6445 return 0;
6446 }
6447 num_cpus = opj_get_num_cpus();
6448 if (strcmp(num_threads_str, "ALL_CPUS") == 0) {
6449 return num_cpus;
6450 }
6451 if (num_cpus == 0) {
6452 num_cpus = 32;
6453 }
6454 num_threads = atoi(num_threads_str);
6455 if (num_threads < 0) {
6456 num_threads = 0;
6457 } else if (num_threads > 2 * num_cpus) {
6458 num_threads = 2 * num_cpus;
6459 }
6460 return num_threads;
6461#else
6462 return 0;
6463#endif
6464}
6465
6466/* ----------------------------------------------------------------------- */
6467/* J2K encoder interface */
6468/* ----------------------------------------------------------------------- */
6469
6470opj_j2k_t* opj_j2k_create_compress(void)
6471{
6472 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
6473 if (!l_j2k) {
6474 return NULL;
6475 }
6476
6477
6478 l_j2k->m_is_decoder = 0;
6479 l_j2k->m_cp.m_is_decoder = 0;
6480
6481 l_j2k->m_specific_param.m_encoder.m_header_tile_data = (OPJ_BYTE *) opj_malloc(
6482 OPJ_J2K_DEFAULT_HEADER_SIZE);
6483 if (! l_j2k->m_specific_param.m_encoder.m_header_tile_data) {
6484 opj_j2k_destroy(l_j2k);
6485 return NULL;
6486 }
6487
6488 l_j2k->m_specific_param.m_encoder.m_header_tile_data_size =
6489 OPJ_J2K_DEFAULT_HEADER_SIZE;
6490
6491 /* validation list creation*/
6492 l_j2k->m_validation_list = opj_procedure_list_create();
6493 if (! l_j2k->m_validation_list) {
6494 opj_j2k_destroy(l_j2k);
6495 return NULL;
6496 }
6497
6498 /* execution list creation*/
6499 l_j2k->m_procedure_list = opj_procedure_list_create();
6500 if (! l_j2k->m_procedure_list) {
6501 opj_j2k_destroy(l_j2k);
6502 return NULL;
6503 }
6504
6505 l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
6506 if (!l_j2k->m_tp) {
6507 l_j2k->m_tp = opj_thread_pool_create(0);
6508 }
6509 if (!l_j2k->m_tp) {
6510 opj_j2k_destroy(l_j2k);
6511 return NULL;
6512 }
6513
6514 return l_j2k;
6515}
6516
6517static int opj_j2k_initialise_4K_poc(opj_poc_t *POC, int numres)
6518{
6519 POC[0].tile = 1;
6520 POC[0].resno0 = 0;
6521 POC[0].compno0 = 0;
6522 POC[0].layno1 = 1;
6523 POC[0].resno1 = (OPJ_UINT32)(numres - 1);
6524 POC[0].compno1 = 3;
6525 POC[0].prg1 = OPJ_CPRL;
6526 POC[1].tile = 1;
6527 POC[1].resno0 = (OPJ_UINT32)(numres - 1);
6528 POC[1].compno0 = 0;
6529 POC[1].layno1 = 1;
6530 POC[1].resno1 = (OPJ_UINT32)numres;
6531 POC[1].compno1 = 3;
6532 POC[1].prg1 = OPJ_CPRL;
6533 return 2;
6534}
6535
6536static void opj_j2k_set_cinema_parameters(opj_cparameters_t *parameters,
6537 opj_image_t *image, opj_event_mgr_t *p_manager)
6538{
6539 /* Configure cinema parameters */
6540 int i;
6541
6542 /* No tiling */
6543 parameters->tile_size_on = OPJ_FALSE;
6544 parameters->cp_tdx = 1;
6545 parameters->cp_tdy = 1;
6546
6547 /* One tile part for each component */
6548 parameters->tp_flag = 'C';
6549 parameters->tp_on = 1;
6550
6551 /* Tile and Image shall be at (0,0) */
6552 parameters->cp_tx0 = 0;
6553 parameters->cp_ty0 = 0;
6554 parameters->image_offset_x0 = 0;
6555 parameters->image_offset_y0 = 0;
6556
6557 /* Codeblock size= 32*32 */
6558 parameters->cblockw_init = 32;
6559 parameters->cblockh_init = 32;
6560
6561 /* Codeblock style: no mode switch enabled */
6562 parameters->mode = 0;
6563
6564 /* No ROI */
6565 parameters->roi_compno = -1;
6566
6567 /* No subsampling */
6568 parameters->subsampling_dx = 1;
6569 parameters->subsampling_dy = 1;
6570
6571 /* 9-7 transform */
6572 parameters->irreversible = 1;
6573
6574 /* Number of layers */
6575 if (parameters->tcp_numlayers > 1) {
6576 opj_event_msg(p_manager, EVT_WARNING,
6577 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6578 "1 single quality layer"
6579 "-> Number of layers forced to 1 (rather than %d)\n"
6580 "-> Rate of the last layer (%3.1f) will be used",
6581 parameters->tcp_numlayers,
6582 parameters->tcp_rates[parameters->tcp_numlayers - 1]);
6583 parameters->tcp_rates[0] = parameters->tcp_rates[parameters->tcp_numlayers - 1];
6584 parameters->tcp_numlayers = 1;
6585 }
6586
6587 /* Resolution levels */
6588 switch (parameters->rsiz) {
6589 case OPJ_PROFILE_CINEMA_2K:
6590 if (parameters->numresolution > 6) {
6591 opj_event_msg(p_manager, EVT_WARNING,
6592 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6593 "Number of decomposition levels <= 5\n"
6594 "-> Number of decomposition levels forced to 5 (rather than %d)\n",
6595 parameters->numresolution + 1);
6596 parameters->numresolution = 6;
6597 }
6598 break;
6599 case OPJ_PROFILE_CINEMA_4K:
6600 if (parameters->numresolution < 2) {
6601 opj_event_msg(p_manager, EVT_WARNING,
6602 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6603 "Number of decomposition levels >= 1 && <= 6\n"
6604 "-> Number of decomposition levels forced to 1 (rather than %d)\n",
6605 parameters->numresolution + 1);
6606 parameters->numresolution = 1;
6607 } else if (parameters->numresolution > 7) {
6608 opj_event_msg(p_manager, EVT_WARNING,
6609 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6610 "Number of decomposition levels >= 1 && <= 6\n"
6611 "-> Number of decomposition levels forced to 6 (rather than %d)\n",
6612 parameters->numresolution + 1);
6613 parameters->numresolution = 7;
6614 }
6615 break;
6616 default :
6617 break;
6618 }
6619
6620 /* Precincts */
6621 parameters->csty |= 0x01;
6622 if (parameters->numresolution == 1) {
6623 parameters->res_spec = 1;
6624 parameters->prcw_init[0] = 128;
6625 parameters->prch_init[0] = 128;
6626 } else {
6627 parameters->res_spec = parameters->numresolution - 1;
6628 for (i = 0; i < parameters->res_spec; i++) {
6629 parameters->prcw_init[i] = 256;
6630 parameters->prch_init[i] = 256;
6631 }
6632 }
6633
6634 /* The progression order shall be CPRL */
6635 parameters->prog_order = OPJ_CPRL;
6636
6637 /* Progression order changes for 4K, disallowed for 2K */
6638 if (parameters->rsiz == OPJ_PROFILE_CINEMA_4K) {
6639 parameters->numpocs = (OPJ_UINT32)opj_j2k_initialise_4K_poc(parameters->POC,
6640 parameters->numresolution);
6641 } else {
6642 parameters->numpocs = 0;
6643 }
6644
6645 /* Limited bit-rate */
6646 parameters->cp_disto_alloc = 1;
6647 if (parameters->max_cs_size <= 0) {
6648 /* No rate has been introduced, 24 fps is assumed */
6649 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6650 opj_event_msg(p_manager, EVT_WARNING,
6651 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6652 "Maximum 1302083 compressed bytes @ 24fps\n"
6653 "As no rate has been given, this limit will be used.\n");
6654 } else if (parameters->max_cs_size > OPJ_CINEMA_24_CS) {
6655 opj_event_msg(p_manager, EVT_WARNING,
6656 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6657 "Maximum 1302083 compressed bytes @ 24fps\n"
6658 "-> Specified rate exceeds this limit. Rate will be forced to 1302083 bytes.\n");
6659 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6660 }
6661
6662 if (parameters->max_comp_size <= 0) {
6663 /* No rate has been introduced, 24 fps is assumed */
6664 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6665 opj_event_msg(p_manager, EVT_WARNING,
6666 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6667 "Maximum 1041666 compressed bytes @ 24fps\n"
6668 "As no rate has been given, this limit will be used.\n");
6669 } else if (parameters->max_comp_size > OPJ_CINEMA_24_COMP) {
6670 opj_event_msg(p_manager, EVT_WARNING,
6671 "JPEG 2000 Profile-3 and 4 (2k/4k dc profile) requires:\n"
6672 "Maximum 1041666 compressed bytes @ 24fps\n"
6673 "-> Specified rate exceeds this limit. Rate will be forced to 1041666 bytes.\n");
6674 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6675 }
6676
6677 parameters->tcp_rates[0] = (OPJ_FLOAT32)(image->numcomps * image->comps[0].w *
6678 image->comps[0].h * image->comps[0].prec) /
6679 (OPJ_FLOAT32)(((OPJ_UINT32)parameters->max_cs_size) * 8 * image->comps[0].dx *
6680 image->comps[0].dy);
6681
6682}
6683
6684static OPJ_BOOL opj_j2k_is_cinema_compliant(opj_image_t *image, OPJ_UINT16 rsiz,
6685 opj_event_mgr_t *p_manager)
6686{
6687 OPJ_UINT32 i;
6688
6689 /* Number of components */
6690 if (image->numcomps != 3) {
6691 opj_event_msg(p_manager, EVT_WARNING,
6692 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6693 "3 components"
6694 "-> Number of components of input image (%d) is not compliant\n"
6695 "-> Non-profile-3 codestream will be generated\n",
6696 image->numcomps);
6697 return OPJ_FALSE;
6698 }
6699
6700 /* Bitdepth */
6701 for (i = 0; i < image->numcomps; i++) {
6702 if ((image->comps[i].bpp != 12) | (image->comps[i].sgnd)) {
6703 char signed_str[] = "signed";
6704 char unsigned_str[] = "unsigned";
6705 char *tmp_str = image->comps[i].sgnd ? signed_str : unsigned_str;
6706 opj_event_msg(p_manager, EVT_WARNING,
6707 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6708 "Precision of each component shall be 12 bits unsigned"
6709 "-> At least component %d of input image (%d bits, %s) is not compliant\n"
6710 "-> Non-profile-3 codestream will be generated\n",
6711 i, image->comps[i].bpp, tmp_str);
6712 return OPJ_FALSE;
6713 }
6714 }
6715
6716 /* Image size */
6717 switch (rsiz) {
6718 case OPJ_PROFILE_CINEMA_2K:
6719 if (((image->comps[0].w > 2048) | (image->comps[0].h > 1080))) {
6720 opj_event_msg(p_manager, EVT_WARNING,
6721 "JPEG 2000 Profile-3 (2k dc profile) requires:\n"
6722 "width <= 2048 and height <= 1080\n"
6723 "-> Input image size %d x %d is not compliant\n"
6724 "-> Non-profile-3 codestream will be generated\n",
6725 image->comps[0].w, image->comps[0].h);
6726 return OPJ_FALSE;
6727 }
6728 break;
6729 case OPJ_PROFILE_CINEMA_4K:
6730 if (((image->comps[0].w > 4096) | (image->comps[0].h > 2160))) {
6731 opj_event_msg(p_manager, EVT_WARNING,
6732 "JPEG 2000 Profile-4 (4k dc profile) requires:\n"
6733 "width <= 4096 and height <= 2160\n"
6734 "-> Image size %d x %d is not compliant\n"
6735 "-> Non-profile-4 codestream will be generated\n",
6736 image->comps[0].w, image->comps[0].h);
6737 return OPJ_FALSE;
6738 }
6739 break;
6740 default :
6741 break;
6742 }
6743
6744 return OPJ_TRUE;
6745}
6746
6747OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
6748 opj_cparameters_t *parameters,
6749 opj_image_t *image,
6750 opj_event_mgr_t * p_manager)
6751{
6752 OPJ_UINT32 i, j, tileno, numpocs_tile;
6753 opj_cp_t *cp = 00;
6754 OPJ_UINT32 cblkw, cblkh;
6755
6756 if (!p_j2k || !parameters || ! image) {
6757 return OPJ_FALSE;
6758 }
6759
6760 if ((parameters->numresolution <= 0) ||
6761 (parameters->numresolution > OPJ_J2K_MAXRLVLS)) {
6762 opj_event_msg(p_manager, EVT_ERROR,
6763 "Invalid number of resolutions : %d not in range [1,%d]\n",
6764 parameters->numresolution, OPJ_J2K_MAXRLVLS);
6765 return OPJ_FALSE;
6766 }
6767
6768 if (parameters->cblockw_init < 4 || parameters->cblockw_init > 1024) {
6769 opj_event_msg(p_manager, EVT_ERROR,
6770 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
6771 parameters->cblockw_init);
6772 return OPJ_FALSE;
6773 }
6774 if (parameters->cblockh_init < 4 || parameters->cblockh_init > 1024) {
6775 opj_event_msg(p_manager, EVT_ERROR,
6776 "Invalid value for cblockh_init: %d not a power of 2 not in range [4,1024]\n",
6777 parameters->cblockh_init);
6778 return OPJ_FALSE;
6779 }
6780 if (parameters->cblockw_init * parameters->cblockh_init > 4096) {
6781 opj_event_msg(p_manager, EVT_ERROR,
6782 "Invalid value for cblockw_init * cblockh_init: should be <= 4096\n");
6783 return OPJ_FALSE;
6784 }
6785 cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
6786 cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
6787 if (parameters->cblockw_init != (1 << cblkw)) {
6788 opj_event_msg(p_manager, EVT_ERROR,
6789 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
6790 parameters->cblockw_init);
6791 return OPJ_FALSE;
6792 }
6793 if (parameters->cblockh_init != (1 << cblkh)) {
6794 opj_event_msg(p_manager, EVT_ERROR,
6795 "Invalid value for cblockw_init: %d not a power of 2 in range [4,1024]\n",
6796 parameters->cblockh_init);
6797 return OPJ_FALSE;
6798 }
6799
6800 /* keep a link to cp so that we can destroy it later in j2k_destroy_compress */
6801 cp = &(p_j2k->m_cp);
6802
6803 /* set default values for cp */
6804 cp->tw = 1;
6805 cp->th = 1;
6806
6807 /* FIXME ADE: to be removed once deprecated cp_cinema and cp_rsiz have been removed */
6808 if (parameters->rsiz ==
6809 OPJ_PROFILE_NONE) { /* consider deprecated fields only if RSIZ has not been set */
6810 OPJ_BOOL deprecated_used = OPJ_FALSE;
6811 switch (parameters->cp_cinema) {
6812 case OPJ_CINEMA2K_24:
6813 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
6814 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6815 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6816 deprecated_used = OPJ_TRUE;
6817 break;
6818 case OPJ_CINEMA2K_48:
6819 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
6820 parameters->max_cs_size = OPJ_CINEMA_48_CS;
6821 parameters->max_comp_size = OPJ_CINEMA_48_COMP;
6822 deprecated_used = OPJ_TRUE;
6823 break;
6824 case OPJ_CINEMA4K_24:
6825 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
6826 parameters->max_cs_size = OPJ_CINEMA_24_CS;
6827 parameters->max_comp_size = OPJ_CINEMA_24_COMP;
6828 deprecated_used = OPJ_TRUE;
6829 break;
6830 case OPJ_OFF:
6831 default:
6832 break;
6833 }
6834 switch (parameters->cp_rsiz) {
6835 case OPJ_CINEMA2K:
6836 parameters->rsiz = OPJ_PROFILE_CINEMA_2K;
6837 deprecated_used = OPJ_TRUE;
6838 break;
6839 case OPJ_CINEMA4K:
6840 parameters->rsiz = OPJ_PROFILE_CINEMA_4K;
6841 deprecated_used = OPJ_TRUE;
6842 break;
6843 case OPJ_MCT:
6844 parameters->rsiz = OPJ_PROFILE_PART2 | OPJ_EXTENSION_MCT;
6845 deprecated_used = OPJ_TRUE;
6846 case OPJ_STD_RSIZ:
6847 default:
6848 break;
6849 }
6850 if (deprecated_used) {
6851 opj_event_msg(p_manager, EVT_WARNING,
6852 "Deprecated fields cp_cinema or cp_rsiz are used\n"
6853 "Please consider using only the rsiz field\n"
6854 "See openjpeg.h documentation for more details\n");
6855 }
6856 }
6857
6858 /* If no explicit layers are provided, use lossless settings */
6859 if (parameters->tcp_numlayers == 0) {
6860 parameters->tcp_numlayers = 1;
6861 parameters->cp_disto_alloc = 1;
6862 parameters->tcp_rates[0] = 0;
6863 }
6864
6865 if (parameters->cp_disto_alloc) {
6866 /* Emit warnings if tcp_rates are not decreasing */
6867 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
6868 OPJ_FLOAT32 rate_i_corr = parameters->tcp_rates[i];
6869 OPJ_FLOAT32 rate_i_m_1_corr = parameters->tcp_rates[i - 1];
6870 if (rate_i_corr <= 1.0) {
6871 rate_i_corr = 1.0;
6872 }
6873 if (rate_i_m_1_corr <= 1.0) {
6874 rate_i_m_1_corr = 1.0;
6875 }
6876 if (rate_i_corr >= rate_i_m_1_corr) {
6877 if (rate_i_corr != parameters->tcp_rates[i] &&
6878 rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
6879 opj_event_msg(p_manager, EVT_WARNING,
6880 "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
6881 "than tcp_rates[%d]=%f (corrected as %f)\n",
6882 i, parameters->tcp_rates[i], rate_i_corr,
6883 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
6884 } else if (rate_i_corr != parameters->tcp_rates[i]) {
6885 opj_event_msg(p_manager, EVT_WARNING,
6886 "tcp_rates[%d]=%f (corrected as %f) should be strictly lesser "
6887 "than tcp_rates[%d]=%f\n",
6888 i, parameters->tcp_rates[i], rate_i_corr,
6889 i - 1, parameters->tcp_rates[i - 1]);
6890 } else if (rate_i_m_1_corr != parameters->tcp_rates[i - 1]) {
6891 opj_event_msg(p_manager, EVT_WARNING,
6892 "tcp_rates[%d]=%f should be strictly lesser "
6893 "than tcp_rates[%d]=%f (corrected as %f)\n",
6894 i, parameters->tcp_rates[i],
6895 i - 1, parameters->tcp_rates[i - 1], rate_i_m_1_corr);
6896 } else {
6897 opj_event_msg(p_manager, EVT_WARNING,
6898 "tcp_rates[%d]=%f should be strictly lesser "
6899 "than tcp_rates[%d]=%f\n",
6900 i, parameters->tcp_rates[i],
6901 i - 1, parameters->tcp_rates[i - 1]);
6902 }
6903 }
6904 }
6905 } else if (parameters->cp_fixed_quality) {
6906 /* Emit warnings if tcp_distoratio are not increasing */
6907 for (i = 1; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
6908 if (parameters->tcp_distoratio[i] < parameters->tcp_distoratio[i - 1] &&
6909 !(i == (OPJ_UINT32)parameters->tcp_numlayers - 1 &&
6910 parameters->tcp_distoratio[i] == 0)) {
6911 opj_event_msg(p_manager, EVT_WARNING,
6912 "tcp_distoratio[%d]=%f should be strictly greater "
6913 "than tcp_distoratio[%d]=%f\n",
6914 i, parameters->tcp_distoratio[i], i - 1,
6915 parameters->tcp_distoratio[i - 1]);
6916 }
6917 }
6918 }
6919
6920 /* see if max_codestream_size does limit input rate */
6921 if (parameters->max_cs_size <= 0) {
6922 if (parameters->tcp_rates[parameters->tcp_numlayers - 1] > 0) {
6923 OPJ_FLOAT32 temp_size;
6924 temp_size = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
6925 image->comps[0].h * image->comps[0].prec) /
6926 ((double)parameters->tcp_rates[parameters->tcp_numlayers - 1] * 8 *
6927 image->comps[0].dx * image->comps[0].dy));
6928 if (temp_size > INT_MAX) {
6929 parameters->max_cs_size = INT_MAX;
6930 } else {
6931 parameters->max_cs_size = (int) floor(temp_size);
6932 }
6933 } else {
6934 parameters->max_cs_size = 0;
6935 }
6936 } else {
6937 OPJ_FLOAT32 temp_rate;
6938 OPJ_BOOL cap = OPJ_FALSE;
6939 temp_rate = (OPJ_FLOAT32)(((double)image->numcomps * image->comps[0].w *
6940 image->comps[0].h * image->comps[0].prec) /
6941 (((double)parameters->max_cs_size) * 8 * image->comps[0].dx *
6942 image->comps[0].dy));
6943 for (i = 0; i < (OPJ_UINT32) parameters->tcp_numlayers; i++) {
6944 if (parameters->tcp_rates[i] < temp_rate) {
6945 parameters->tcp_rates[i] = temp_rate;
6946 cap = OPJ_TRUE;
6947 }
6948 }
6949 if (cap) {
6950 opj_event_msg(p_manager, EVT_WARNING,
6951 "The desired maximum codestream size has limited\n"
6952 "at least one of the desired quality layers\n");
6953 }
6954 }
6955
6956 /* Manage profiles and applications and set RSIZ */
6957 /* set cinema parameters if required */
6958 if (OPJ_IS_CINEMA(parameters->rsiz)) {
6959 if ((parameters->rsiz == OPJ_PROFILE_CINEMA_S2K)
6960 || (parameters->rsiz == OPJ_PROFILE_CINEMA_S4K)) {
6961 opj_event_msg(p_manager, EVT_WARNING,
6962 "JPEG 2000 Scalable Digital Cinema profiles not yet supported\n");
6963 parameters->rsiz = OPJ_PROFILE_NONE;
6964 } else {
6965 opj_j2k_set_cinema_parameters(parameters, image, p_manager);
6966 if (!opj_j2k_is_cinema_compliant(image, parameters->rsiz, p_manager)) {
6967 parameters->rsiz = OPJ_PROFILE_NONE;
6968 }
6969 }
6970 } else if (OPJ_IS_STORAGE(parameters->rsiz)) {
6971 opj_event_msg(p_manager, EVT_WARNING,
6972 "JPEG 2000 Long Term Storage profile not yet supported\n");
6973 parameters->rsiz = OPJ_PROFILE_NONE;
6974 } else if (OPJ_IS_BROADCAST(parameters->rsiz)) {
6975 opj_event_msg(p_manager, EVT_WARNING,
6976 "JPEG 2000 Broadcast profiles not yet supported\n");
6977 parameters->rsiz = OPJ_PROFILE_NONE;
6978 } else if (OPJ_IS_IMF(parameters->rsiz)) {
6979 opj_event_msg(p_manager, EVT_WARNING,
6980 "JPEG 2000 IMF profiles not yet supported\n");
6981 parameters->rsiz = OPJ_PROFILE_NONE;
6982 } else if (OPJ_IS_PART2(parameters->rsiz)) {
6983 if (parameters->rsiz == ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_NONE))) {
6984 opj_event_msg(p_manager, EVT_WARNING,
6985 "JPEG 2000 Part-2 profile defined\n"
6986 "but no Part-2 extension enabled.\n"
6987 "Profile set to NONE.\n");
6988 parameters->rsiz = OPJ_PROFILE_NONE;
6989 } else if (parameters->rsiz != ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT))) {
6990 opj_event_msg(p_manager, EVT_WARNING,
6991 "Unsupported Part-2 extension enabled\n"
6992 "Profile set to NONE.\n");
6993 parameters->rsiz = OPJ_PROFILE_NONE;
6994 }
6995 }
6996
6997 /*
6998 copy user encoding parameters
6999 */
7000 cp->m_specific_param.m_enc.m_max_comp_size = (OPJ_UINT32)
7001 parameters->max_comp_size;
7002 cp->rsiz = parameters->rsiz;
7003 cp->m_specific_param.m_enc.m_disto_alloc = (OPJ_UINT32)
7004 parameters->cp_disto_alloc & 1u;
7005 cp->m_specific_param.m_enc.m_fixed_alloc = (OPJ_UINT32)
7006 parameters->cp_fixed_alloc & 1u;
7007 cp->m_specific_param.m_enc.m_fixed_quality = (OPJ_UINT32)
7008 parameters->cp_fixed_quality & 1u;
7009
7010 /* mod fixed_quality */
7011 if (parameters->cp_fixed_alloc && parameters->cp_matrice) {
7012 size_t array_size = (size_t)parameters->tcp_numlayers *
7013 (size_t)parameters->numresolution * 3 * sizeof(OPJ_INT32);
7014 cp->m_specific_param.m_enc.m_matrice = (OPJ_INT32 *) opj_malloc(array_size);
7015 if (!cp->m_specific_param.m_enc.m_matrice) {
7016 opj_event_msg(p_manager, EVT_ERROR,
7017 "Not enough memory to allocate copy of user encoding parameters matrix \n");
7018 return OPJ_FALSE;
7019 }
7020 memcpy(cp->m_specific_param.m_enc.m_matrice, parameters->cp_matrice,
7021 array_size);
7022 }
7023
7024 /* tiles */
7025 cp->tdx = (OPJ_UINT32)parameters->cp_tdx;
7026 cp->tdy = (OPJ_UINT32)parameters->cp_tdy;
7027
7028 /* tile offset */
7029 cp->tx0 = (OPJ_UINT32)parameters->cp_tx0;
7030 cp->ty0 = (OPJ_UINT32)parameters->cp_ty0;
7031
7032 /* comment string */
7033 if (parameters->cp_comment) {
7034 cp->comment = (char*)opj_malloc(strlen(parameters->cp_comment) + 1U);
7035 if (!cp->comment) {
7036 opj_event_msg(p_manager, EVT_ERROR,
7037 "Not enough memory to allocate copy of comment string\n");
7038 return OPJ_FALSE;
7039 }
7040 strcpy(cp->comment, parameters->cp_comment);
7041 } else {
7042 /* Create default comment for codestream */
7043 const char comment[] = "Created by OpenJPEG version ";
7044 const size_t clen = strlen(comment);
7045 const char *version = opj_version();
7046
7047 /* UniPG>> */
7048#ifdef USE_JPWL
7049 cp->comment = (char*)opj_malloc(clen + strlen(version) + 11);
7050 if (!cp->comment) {
7051 opj_event_msg(p_manager, EVT_ERROR,
7052 "Not enough memory to allocate comment string\n");
7053 return OPJ_FALSE;
7054 }
7055 sprintf(cp->comment, "%s%s with JPWL", comment, version);
7056#else
7057 cp->comment = (char*)opj_malloc(clen + strlen(version) + 1);
7058 if (!cp->comment) {
7059 opj_event_msg(p_manager, EVT_ERROR,
7060 "Not enough memory to allocate comment string\n");
7061 return OPJ_FALSE;
7062 }
7063 sprintf(cp->comment, "%s%s", comment, version);
7064#endif
7065 /* <<UniPG */
7066 }
7067
7068 /*
7069 calculate other encoding parameters
7070 */
7071
7072 if (parameters->tile_size_on) {
7073 cp->tw = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->x1 - cp->tx0),
7074 (OPJ_INT32)cp->tdx);
7075 cp->th = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)(image->y1 - cp->ty0),
7076 (OPJ_INT32)cp->tdy);
7077 } else {
7078 cp->tdx = image->x1 - cp->tx0;
7079 cp->tdy = image->y1 - cp->ty0;
7080 }
7081
7082 if (parameters->tp_on) {
7083 cp->m_specific_param.m_enc.m_tp_flag = (OPJ_BYTE)parameters->tp_flag;
7084 cp->m_specific_param.m_enc.m_tp_on = 1;
7085 }
7086
7087#ifdef USE_JPWL
7088 /*
7089 calculate JPWL encoding parameters
7090 */
7091
7092 if (parameters->jpwl_epc_on) {
7093 OPJ_INT32 i;
7094
7095 /* set JPWL on */
7096 cp->epc_on = OPJ_TRUE;
7097 cp->info_on = OPJ_FALSE; /* no informative technique */
7098
7099 /* set EPB on */
7100 if ((parameters->jpwl_hprot_MH > 0) || (parameters->jpwl_hprot_TPH[0] > 0)) {
7101 cp->epb_on = OPJ_TRUE;
7102
7103 cp->hprot_MH = parameters->jpwl_hprot_MH;
7104 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
7105 cp->hprot_TPH_tileno[i] = parameters->jpwl_hprot_TPH_tileno[i];
7106 cp->hprot_TPH[i] = parameters->jpwl_hprot_TPH[i];
7107 }
7108 /* if tile specs are not specified, copy MH specs */
7109 if (cp->hprot_TPH[0] == -1) {
7110 cp->hprot_TPH_tileno[0] = 0;
7111 cp->hprot_TPH[0] = parameters->jpwl_hprot_MH;
7112 }
7113 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
7114 cp->pprot_tileno[i] = parameters->jpwl_pprot_tileno[i];
7115 cp->pprot_packno[i] = parameters->jpwl_pprot_packno[i];
7116 cp->pprot[i] = parameters->jpwl_pprot[i];
7117 }
7118 }
7119
7120 /* set ESD writing */
7121 if ((parameters->jpwl_sens_size == 1) || (parameters->jpwl_sens_size == 2)) {
7122 cp->esd_on = OPJ_TRUE;
7123
7124 cp->sens_size = parameters->jpwl_sens_size;
7125 cp->sens_addr = parameters->jpwl_sens_addr;
7126 cp->sens_range = parameters->jpwl_sens_range;
7127
7128 cp->sens_MH = parameters->jpwl_sens_MH;
7129 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
7130 cp->sens_TPH_tileno[i] = parameters->jpwl_sens_TPH_tileno[i];
7131 cp->sens_TPH[i] = parameters->jpwl_sens_TPH[i];
7132 }
7133 }
7134
7135 /* always set RED writing to false: we are at the encoder */
7136 cp->red_on = OPJ_FALSE;
7137
7138 } else {
7139 cp->epc_on = OPJ_FALSE;
7140 }
7141#endif /* USE_JPWL */
7142
7143 /* initialize the mutiple tiles */
7144 /* ---------------------------- */
7145 cp->tcps = (opj_tcp_t*) opj_calloc(cp->tw * cp->th, sizeof(opj_tcp_t));
7146 if (!cp->tcps) {
7147 opj_event_msg(p_manager, EVT_ERROR,
7148 "Not enough memory to allocate tile coding parameters\n");
7149 return OPJ_FALSE;
7150 }
7151 if (parameters->numpocs) {
7152 /* initialisation of POC */
7153 opj_j2k_check_poc_val(parameters->POC, parameters->numpocs,
7154 (OPJ_UINT32)parameters->numresolution, image->numcomps,
7155 (OPJ_UINT32)parameters->tcp_numlayers, p_manager);
7156 /* TODO MSD use the return value*/
7157 }
7158
7159 for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
7160 opj_tcp_t *tcp = &cp->tcps[tileno];
7161 tcp->numlayers = (OPJ_UINT32)parameters->tcp_numlayers;
7162
7163 for (j = 0; j < tcp->numlayers; j++) {
7164 if (OPJ_IS_CINEMA(cp->rsiz)) {
7165 if (cp->m_specific_param.m_enc.m_fixed_quality) {
7166 tcp->distoratio[j] = parameters->tcp_distoratio[j];
7167 }
7168 tcp->rates[j] = parameters->tcp_rates[j];
7169 } else {
7170 if (cp->m_specific_param.m_enc.m_fixed_quality) { /* add fixed_quality */
7171 tcp->distoratio[j] = parameters->tcp_distoratio[j];
7172 } else {
7173 tcp->rates[j] = parameters->tcp_rates[j];
7174 }
7175 }
7176 if (!cp->m_specific_param.m_enc.m_fixed_quality &&
7177 tcp->rates[j] <= 1.0) {
7178 tcp->rates[j] = 0.0; /* force lossless */
7179 }
7180 }
7181
7182 tcp->csty = (OPJ_UINT32)parameters->csty;
7183 tcp->prg = parameters->prog_order;
7184 tcp->mct = (OPJ_UINT32)parameters->tcp_mct;
7185
7186 numpocs_tile = 0;
7187 tcp->POC = 0;
7188
7189 if (parameters->numpocs) {
7190 /* initialisation of POC */
7191 tcp->POC = 1;
7192 for (i = 0; i < parameters->numpocs; i++) {
7193 if (tileno + 1 == parameters->POC[i].tile) {
7194 opj_poc_t *tcp_poc = &tcp->pocs[numpocs_tile];
7195
7196 tcp_poc->resno0 = parameters->POC[numpocs_tile].resno0;
7197 tcp_poc->compno0 = parameters->POC[numpocs_tile].compno0;
7198 tcp_poc->layno1 = parameters->POC[numpocs_tile].layno1;
7199 tcp_poc->resno1 = parameters->POC[numpocs_tile].resno1;
7200 tcp_poc->compno1 = parameters->POC[numpocs_tile].compno1;
7201 tcp_poc->prg1 = parameters->POC[numpocs_tile].prg1;
7202 tcp_poc->tile = parameters->POC[numpocs_tile].tile;
7203
7204 numpocs_tile++;
7205 }
7206 }
7207
7208 tcp->numpocs = numpocs_tile - 1 ;
7209 } else {
7210 tcp->numpocs = 0;
7211 }
7212
7213 tcp->tccps = (opj_tccp_t*) opj_calloc(image->numcomps, sizeof(opj_tccp_t));
7214 if (!tcp->tccps) {
7215 opj_event_msg(p_manager, EVT_ERROR,
7216 "Not enough memory to allocate tile component coding parameters\n");
7217 return OPJ_FALSE;
7218 }
7219 if (parameters->mct_data) {
7220
7221 OPJ_UINT32 lMctSize = image->numcomps * image->numcomps * (OPJ_UINT32)sizeof(
7222 OPJ_FLOAT32);
7223 OPJ_FLOAT32 * lTmpBuf = (OPJ_FLOAT32*)opj_malloc(lMctSize);
7224 OPJ_INT32 * l_dc_shift = (OPJ_INT32 *)((OPJ_BYTE *) parameters->mct_data +
7225 lMctSize);
7226
7227 if (!lTmpBuf) {
7228 opj_event_msg(p_manager, EVT_ERROR,
7229 "Not enough memory to allocate temp buffer\n");
7230 return OPJ_FALSE;
7231 }
7232
7233 tcp->mct = 2;
7234 tcp->m_mct_coding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
7235 if (! tcp->m_mct_coding_matrix) {
7236 opj_free(lTmpBuf);
7237 lTmpBuf = NULL;
7238 opj_event_msg(p_manager, EVT_ERROR,
7239 "Not enough memory to allocate encoder MCT coding matrix \n");
7240 return OPJ_FALSE;
7241 }
7242 memcpy(tcp->m_mct_coding_matrix, parameters->mct_data, lMctSize);
7243 memcpy(lTmpBuf, parameters->mct_data, lMctSize);
7244
7245 tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(lMctSize);
7246 if (! tcp->m_mct_decoding_matrix) {
7247 opj_free(lTmpBuf);
7248 lTmpBuf = NULL;
7249 opj_event_msg(p_manager, EVT_ERROR,
7250 "Not enough memory to allocate encoder MCT decoding matrix \n");
7251 return OPJ_FALSE;
7252 }
7253 if (opj_matrix_inversion_f(lTmpBuf, (tcp->m_mct_decoding_matrix),
7254 image->numcomps) == OPJ_FALSE) {
7255 opj_free(lTmpBuf);
7256 lTmpBuf = NULL;
7257 opj_event_msg(p_manager, EVT_ERROR,
7258 "Failed to inverse encoder MCT decoding matrix \n");
7259 return OPJ_FALSE;
7260 }
7261
7262 tcp->mct_norms = (OPJ_FLOAT64*)
7263 opj_malloc(image->numcomps * sizeof(OPJ_FLOAT64));
7264 if (! tcp->mct_norms) {
7265 opj_free(lTmpBuf);
7266 lTmpBuf = NULL;
7267 opj_event_msg(p_manager, EVT_ERROR,
7268 "Not enough memory to allocate encoder MCT norms \n");
7269 return OPJ_FALSE;
7270 }
7271 opj_calculate_norms(tcp->mct_norms, image->numcomps,
7272 tcp->m_mct_decoding_matrix);
7273 opj_free(lTmpBuf);
7274
7275 for (i = 0; i < image->numcomps; i++) {
7276 opj_tccp_t *tccp = &tcp->tccps[i];
7277 tccp->m_dc_level_shift = l_dc_shift[i];
7278 }
7279
7280 if (opj_j2k_setup_mct_encoding(tcp, image) == OPJ_FALSE) {
7281 /* free will be handled by opj_j2k_destroy */
7282 opj_event_msg(p_manager, EVT_ERROR, "Failed to setup j2k mct encoding\n");
7283 return OPJ_FALSE;
7284 }
7285 } else {
7286 if (tcp->mct == 1 && image->numcomps >= 3) { /* RGB->YCC MCT is enabled */
7287 if ((image->comps[0].dx != image->comps[1].dx) ||
7288 (image->comps[0].dx != image->comps[2].dx) ||
7289 (image->comps[0].dy != image->comps[1].dy) ||
7290 (image->comps[0].dy != image->comps[2].dy)) {
7291 opj_event_msg(p_manager, EVT_WARNING,
7292 "Cannot perform MCT on components with different sizes. Disabling MCT.\n");
7293 tcp->mct = 0;
7294 }
7295 }
7296 for (i = 0; i < image->numcomps; i++) {
7297 opj_tccp_t *tccp = &tcp->tccps[i];
7298 opj_image_comp_t * l_comp = &(image->comps[i]);
7299
7300 if (! l_comp->sgnd) {
7301 tccp->m_dc_level_shift = 1 << (l_comp->prec - 1);
7302 }
7303 }
7304 }
7305
7306 for (i = 0; i < image->numcomps; i++) {
7307 opj_tccp_t *tccp = &tcp->tccps[i];
7308
7309 tccp->csty = parameters->csty &
7310 0x01; /* 0 => one precinct || 1 => custom precinct */
7311 tccp->numresolutions = (OPJ_UINT32)parameters->numresolution;
7312 tccp->cblkw = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockw_init);
7313 tccp->cblkh = (OPJ_UINT32)opj_int_floorlog2(parameters->cblockh_init);
7314 tccp->cblksty = (OPJ_UINT32)parameters->mode;
7315 tccp->qmfbid = parameters->irreversible ? 0 : 1;
7316 tccp->qntsty = parameters->irreversible ? J2K_CCP_QNTSTY_SEQNT :
7317 J2K_CCP_QNTSTY_NOQNT;
7318 tccp->numgbits = 2;
7319
7320 if ((OPJ_INT32)i == parameters->roi_compno) {
7321 tccp->roishift = parameters->roi_shift;
7322 } else {
7323 tccp->roishift = 0;
7324 }
7325
7326 if (parameters->csty & J2K_CCP_CSTY_PRT) {
7327 OPJ_INT32 p = 0, it_res;
7328 assert(tccp->numresolutions > 0);
7329 for (it_res = (OPJ_INT32)tccp->numresolutions - 1; it_res >= 0; it_res--) {
7330 if (p < parameters->res_spec) {
7331
7332 if (parameters->prcw_init[p] < 1) {
7333 tccp->prcw[it_res] = 1;
7334 } else {
7335 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prcw_init[p]);
7336 }
7337
7338 if (parameters->prch_init[p] < 1) {
7339 tccp->prch[it_res] = 1;
7340 } else {
7341 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(parameters->prch_init[p]);
7342 }
7343
7344 } else {
7345 OPJ_INT32 res_spec = parameters->res_spec;
7346 OPJ_INT32 size_prcw = 0;
7347 OPJ_INT32 size_prch = 0;
7348
7349 assert(res_spec > 0); /* issue 189 */
7350 size_prcw = parameters->prcw_init[res_spec - 1] >> (p - (res_spec - 1));
7351 size_prch = parameters->prch_init[res_spec - 1] >> (p - (res_spec - 1));
7352
7353
7354 if (size_prcw < 1) {
7355 tccp->prcw[it_res] = 1;
7356 } else {
7357 tccp->prcw[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prcw);
7358 }
7359
7360 if (size_prch < 1) {
7361 tccp->prch[it_res] = 1;
7362 } else {
7363 tccp->prch[it_res] = (OPJ_UINT32)opj_int_floorlog2(size_prch);
7364 }
7365 }
7366 p++;
7367 /*printf("\nsize precinct for level %d : %d,%d\n", it_res,tccp->prcw[it_res], tccp->prch[it_res]); */
7368 } /*end for*/
7369 } else {
7370 for (j = 0; j < tccp->numresolutions; j++) {
7371 tccp->prcw[j] = 15;
7372 tccp->prch[j] = 15;
7373 }
7374 }
7375
7376 opj_dwt_calc_explicit_stepsizes(tccp, image->comps[i].prec);
7377 }
7378 }
7379
7380 if (parameters->mct_data) {
7381 opj_free(parameters->mct_data);
7382 parameters->mct_data = 00;
7383 }
7384 return OPJ_TRUE;
7385}
7386
7387static OPJ_BOOL opj_j2k_add_mhmarker(opj_codestream_index_t *cstr_index,
7388 OPJ_UINT32 type, OPJ_OFF_T pos, OPJ_UINT32 len)
7389{
7390 assert(cstr_index != 00);
7391
7392 /* expand the list? */
7393 if ((cstr_index->marknum + 1) > cstr_index->maxmarknum) {
7394 opj_marker_info_t *new_marker;
7395 cstr_index->maxmarknum = (OPJ_UINT32)(100 + (OPJ_FLOAT32)
7396 cstr_index->maxmarknum);
7397 new_marker = (opj_marker_info_t *) opj_realloc(cstr_index->marker,
7398 cstr_index->maxmarknum * sizeof(opj_marker_info_t));
7399 if (! new_marker) {
7400 opj_free(cstr_index->marker);
7401 cstr_index->marker = NULL;
7402 cstr_index->maxmarknum = 0;
7403 cstr_index->marknum = 0;
7404 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n"); */
7405 return OPJ_FALSE;
7406 }
7407 cstr_index->marker = new_marker;
7408 }
7409
7410 /* add the marker */
7411 cstr_index->marker[cstr_index->marknum].type = (OPJ_UINT16)type;
7412 cstr_index->marker[cstr_index->marknum].pos = (OPJ_INT32)pos;
7413 cstr_index->marker[cstr_index->marknum].len = (OPJ_INT32)len;
7414 cstr_index->marknum++;
7415 return OPJ_TRUE;
7416}
7417
7418static OPJ_BOOL opj_j2k_add_tlmarker(OPJ_UINT32 tileno,
7419 opj_codestream_index_t *cstr_index, OPJ_UINT32 type, OPJ_OFF_T pos,
7420 OPJ_UINT32 len)
7421{
7422 assert(cstr_index != 00);
7423 assert(cstr_index->tile_index != 00);
7424
7425 /* expand the list? */
7426 if ((cstr_index->tile_index[tileno].marknum + 1) >
7427 cstr_index->tile_index[tileno].maxmarknum) {
7428 opj_marker_info_t *new_marker;
7429 cstr_index->tile_index[tileno].maxmarknum = (OPJ_UINT32)(100 +
7430 (OPJ_FLOAT32) cstr_index->tile_index[tileno].maxmarknum);
7431 new_marker = (opj_marker_info_t *) opj_realloc(
7432 cstr_index->tile_index[tileno].marker,
7433 cstr_index->tile_index[tileno].maxmarknum * sizeof(opj_marker_info_t));
7434 if (! new_marker) {
7435 opj_free(cstr_index->tile_index[tileno].marker);
7436 cstr_index->tile_index[tileno].marker = NULL;
7437 cstr_index->tile_index[tileno].maxmarknum = 0;
7438 cstr_index->tile_index[tileno].marknum = 0;
7439 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n"); */
7440 return OPJ_FALSE;
7441 }
7442 cstr_index->tile_index[tileno].marker = new_marker;
7443 }
7444
7445 /* add the marker */
7446 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].type
7447 = (OPJ_UINT16)type;
7448 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].pos
7449 = (OPJ_INT32)pos;
7450 cstr_index->tile_index[tileno].marker[cstr_index->tile_index[tileno].marknum].len
7451 = (OPJ_INT32)len;
7452 cstr_index->tile_index[tileno].marknum++;
7453
7454 if (type == J2K_MS_SOT) {
7455 OPJ_UINT32 l_current_tile_part = cstr_index->tile_index[tileno].current_tpsno;
7456
7457 if (cstr_index->tile_index[tileno].tp_index) {
7458 cstr_index->tile_index[tileno].tp_index[l_current_tile_part].start_pos = pos;
7459 }
7460
7461 }
7462 return OPJ_TRUE;
7463}
7464
7465/*
7466 * -----------------------------------------------------------------------
7467 * -----------------------------------------------------------------------
7468 * -----------------------------------------------------------------------
7469 */
7470
7471OPJ_BOOL opj_j2k_end_decompress(opj_j2k_t *p_j2k,
7472 opj_stream_private_t *p_stream,
7473 opj_event_mgr_t * p_manager
7474 )
7475{
7476 (void)p_j2k;
7477 (void)p_stream;
7478 (void)p_manager;
7479 return OPJ_TRUE;
7480}
7481
7482OPJ_BOOL opj_j2k_read_header(opj_stream_private_t *p_stream,
7483 opj_j2k_t* p_j2k,
7484 opj_image_t** p_image,
7485 opj_event_mgr_t* p_manager)
7486{
7487 /* preconditions */
7488 assert(p_j2k != 00);
7489 assert(p_stream != 00);
7490 assert(p_manager != 00);
7491
7492 /* create an empty image header */
7493 p_j2k->m_private_image = opj_image_create0();
7494 if (! p_j2k->m_private_image) {
7495 return OPJ_FALSE;
7496 }
7497
7498 /* customization of the validation */
7499 if (! opj_j2k_setup_decoding_validation(p_j2k, p_manager)) {
7500 opj_image_destroy(p_j2k->m_private_image);
7501 p_j2k->m_private_image = NULL;
7502 return OPJ_FALSE;
7503 }
7504
7505 /* validation of the parameters codec */
7506 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
7507 opj_image_destroy(p_j2k->m_private_image);
7508 p_j2k->m_private_image = NULL;
7509 return OPJ_FALSE;
7510 }
7511
7512 /* customization of the encoding */
7513 if (! opj_j2k_setup_header_reading(p_j2k, p_manager)) {
7514 opj_image_destroy(p_j2k->m_private_image);
7515 p_j2k->m_private_image = NULL;
7516 return OPJ_FALSE;
7517 }
7518
7519 /* read header */
7520 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
7521 opj_image_destroy(p_j2k->m_private_image);
7522 p_j2k->m_private_image = NULL;
7523 return OPJ_FALSE;
7524 }
7525
7526 *p_image = opj_image_create0();
7527 if (!(*p_image)) {
7528 return OPJ_FALSE;
7529 }
7530
7531 /* Copy codestream image information to the output image */
7532 opj_copy_image_header(p_j2k->m_private_image, *p_image);
7533
7534 /*Allocate and initialize some elements of codestrem index*/
7535 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
7536 return OPJ_FALSE;
7537 }
7538
7539 return OPJ_TRUE;
7540}
7541
7542static OPJ_BOOL opj_j2k_setup_header_reading(opj_j2k_t *p_j2k,
7543 opj_event_mgr_t * p_manager)
7544{
7545 /* preconditions*/
7546 assert(p_j2k != 00);
7547 assert(p_manager != 00);
7548
7549 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
7550 (opj_procedure)opj_j2k_read_header_procedure, p_manager)) {
7551 return OPJ_FALSE;
7552 }
7553
7554 /* DEVELOPER CORNER, add your custom procedures */
7555 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
7556 (opj_procedure)opj_j2k_copy_default_tcp_and_create_tcd, p_manager)) {
7557 return OPJ_FALSE;
7558 }
7559
7560 return OPJ_TRUE;
7561}
7562
7563static OPJ_BOOL opj_j2k_setup_decoding_validation(opj_j2k_t *p_j2k,
7564 opj_event_mgr_t * p_manager)
7565{
7566 /* preconditions*/
7567 assert(p_j2k != 00);
7568 assert(p_manager != 00);
7569
7570 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
7571 (opj_procedure)opj_j2k_build_decoder, p_manager)) {
7572 return OPJ_FALSE;
7573 }
7574 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
7575 (opj_procedure)opj_j2k_decoding_validation, p_manager)) {
7576 return OPJ_FALSE;
7577 }
7578
7579 /* DEVELOPER CORNER, add your custom validation procedure */
7580 return OPJ_TRUE;
7581}
7582
7583static OPJ_BOOL opj_j2k_mct_validation(opj_j2k_t * p_j2k,
7584 opj_stream_private_t *p_stream,
7585 opj_event_mgr_t * p_manager)
7586{
7587 OPJ_BOOL l_is_valid = OPJ_TRUE;
7588 OPJ_UINT32 i, j;
7589
7590 /* preconditions */
7591 assert(p_j2k != 00);
7592 assert(p_stream != 00);
7593 assert(p_manager != 00);
7594
7595 OPJ_UNUSED(p_stream);
7596 OPJ_UNUSED(p_manager);
7597
7598 if ((p_j2k->m_cp.rsiz & 0x8200) == 0x8200) {
7599 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
7600 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
7601
7602 for (i = 0; i < l_nb_tiles; ++i) {
7603 if (l_tcp->mct == 2) {
7604 opj_tccp_t * l_tccp = l_tcp->tccps;
7605 l_is_valid &= (l_tcp->m_mct_coding_matrix != 00);
7606
7607 for (j = 0; j < p_j2k->m_private_image->numcomps; ++j) {
7608 l_is_valid &= !(l_tccp->qmfbid & 1);
7609 ++l_tccp;
7610 }
7611 }
7612 ++l_tcp;
7613 }
7614 }
7615
7616 return l_is_valid;
7617}
7618
7619OPJ_BOOL opj_j2k_setup_mct_encoding(opj_tcp_t * p_tcp, opj_image_t * p_image)
7620{
7621 OPJ_UINT32 i;
7622 OPJ_UINT32 l_indix = 1;
7623 opj_mct_data_t * l_mct_deco_data = 00, * l_mct_offset_data = 00;
7624 opj_simple_mcc_decorrelation_data_t * l_mcc_data;
7625 OPJ_UINT32 l_mct_size, l_nb_elem;
7626 OPJ_FLOAT32 * l_data, * l_current_data;
7627 opj_tccp_t * l_tccp;
7628
7629 /* preconditions */
7630 assert(p_tcp != 00);
7631
7632 if (p_tcp->mct != 2) {
7633 return OPJ_TRUE;
7634 }
7635
7636 if (p_tcp->m_mct_decoding_matrix) {
7637 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
7638 opj_mct_data_t *new_mct_records;
7639 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
7640
7641 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
7642 p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
7643 if (! new_mct_records) {
7644 opj_free(p_tcp->m_mct_records);
7645 p_tcp->m_mct_records = NULL;
7646 p_tcp->m_nb_max_mct_records = 0;
7647 p_tcp->m_nb_mct_records = 0;
7648 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
7649 return OPJ_FALSE;
7650 }
7651 p_tcp->m_mct_records = new_mct_records;
7652 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
7653
7654 memset(l_mct_deco_data, 0,
7655 (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
7656 opj_mct_data_t));
7657 }
7658 l_mct_deco_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
7659
7660 if (l_mct_deco_data->m_data) {
7661 opj_free(l_mct_deco_data->m_data);
7662 l_mct_deco_data->m_data = 00;
7663 }
7664
7665 l_mct_deco_data->m_index = l_indix++;
7666 l_mct_deco_data->m_array_type = MCT_TYPE_DECORRELATION;
7667 l_mct_deco_data->m_element_type = MCT_TYPE_FLOAT;
7668 l_nb_elem = p_image->numcomps * p_image->numcomps;
7669 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_deco_data->m_element_type];
7670 l_mct_deco_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
7671
7672 if (! l_mct_deco_data->m_data) {
7673 return OPJ_FALSE;
7674 }
7675
7676 j2k_mct_write_functions_from_float[l_mct_deco_data->m_element_type](
7677 p_tcp->m_mct_decoding_matrix, l_mct_deco_data->m_data, l_nb_elem);
7678
7679 l_mct_deco_data->m_data_size = l_mct_size;
7680 ++p_tcp->m_nb_mct_records;
7681 }
7682
7683 if (p_tcp->m_nb_mct_records == p_tcp->m_nb_max_mct_records) {
7684 opj_mct_data_t *new_mct_records;
7685 p_tcp->m_nb_max_mct_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
7686 new_mct_records = (opj_mct_data_t *) opj_realloc(p_tcp->m_mct_records,
7687 p_tcp->m_nb_max_mct_records * sizeof(opj_mct_data_t));
7688 if (! new_mct_records) {
7689 opj_free(p_tcp->m_mct_records);
7690 p_tcp->m_mct_records = NULL;
7691 p_tcp->m_nb_max_mct_records = 0;
7692 p_tcp->m_nb_mct_records = 0;
7693 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
7694 return OPJ_FALSE;
7695 }
7696 p_tcp->m_mct_records = new_mct_records;
7697 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
7698
7699 memset(l_mct_offset_data, 0,
7700 (p_tcp->m_nb_max_mct_records - p_tcp->m_nb_mct_records) * sizeof(
7701 opj_mct_data_t));
7702
7703 if (l_mct_deco_data) {
7704 l_mct_deco_data = l_mct_offset_data - 1;
7705 }
7706 }
7707
7708 l_mct_offset_data = p_tcp->m_mct_records + p_tcp->m_nb_mct_records;
7709
7710 if (l_mct_offset_data->m_data) {
7711 opj_free(l_mct_offset_data->m_data);
7712 l_mct_offset_data->m_data = 00;
7713 }
7714
7715 l_mct_offset_data->m_index = l_indix++;
7716 l_mct_offset_data->m_array_type = MCT_TYPE_OFFSET;
7717 l_mct_offset_data->m_element_type = MCT_TYPE_FLOAT;
7718 l_nb_elem = p_image->numcomps;
7719 l_mct_size = l_nb_elem * MCT_ELEMENT_SIZE[l_mct_offset_data->m_element_type];
7720 l_mct_offset_data->m_data = (OPJ_BYTE*)opj_malloc(l_mct_size);
7721
7722 if (! l_mct_offset_data->m_data) {
7723 return OPJ_FALSE;
7724 }
7725
7726 l_data = (OPJ_FLOAT32*)opj_malloc(l_nb_elem * sizeof(OPJ_FLOAT32));
7727 if (! l_data) {
7728 opj_free(l_mct_offset_data->m_data);
7729 l_mct_offset_data->m_data = 00;
7730 return OPJ_FALSE;
7731 }
7732
7733 l_tccp = p_tcp->tccps;
7734 l_current_data = l_data;
7735
7736 for (i = 0; i < l_nb_elem; ++i) {
7737 *(l_current_data++) = (OPJ_FLOAT32)(l_tccp->m_dc_level_shift);
7738 ++l_tccp;
7739 }
7740
7741 j2k_mct_write_functions_from_float[l_mct_offset_data->m_element_type](l_data,
7742 l_mct_offset_data->m_data, l_nb_elem);
7743
7744 opj_free(l_data);
7745
7746 l_mct_offset_data->m_data_size = l_mct_size;
7747
7748 ++p_tcp->m_nb_mct_records;
7749
7750 if (p_tcp->m_nb_mcc_records == p_tcp->m_nb_max_mcc_records) {
7751 opj_simple_mcc_decorrelation_data_t *new_mcc_records;
7752 p_tcp->m_nb_max_mcc_records += OPJ_J2K_MCT_DEFAULT_NB_RECORDS;
7753 new_mcc_records = (opj_simple_mcc_decorrelation_data_t *) opj_realloc(
7754 p_tcp->m_mcc_records, p_tcp->m_nb_max_mcc_records * sizeof(
7755 opj_simple_mcc_decorrelation_data_t));
7756 if (! new_mcc_records) {
7757 opj_free(p_tcp->m_mcc_records);
7758 p_tcp->m_mcc_records = NULL;
7759 p_tcp->m_nb_max_mcc_records = 0;
7760 p_tcp->m_nb_mcc_records = 0;
7761 /* opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to setup mct encoding\n"); */
7762 return OPJ_FALSE;
7763 }
7764 p_tcp->m_mcc_records = new_mcc_records;
7765 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
7766 memset(l_mcc_data, 0, (p_tcp->m_nb_max_mcc_records - p_tcp->m_nb_mcc_records) *
7767 sizeof(opj_simple_mcc_decorrelation_data_t));
7768
7769 }
7770
7771 l_mcc_data = p_tcp->m_mcc_records + p_tcp->m_nb_mcc_records;
7772 l_mcc_data->m_decorrelation_array = l_mct_deco_data;
7773 l_mcc_data->m_is_irreversible = 1;
7774 l_mcc_data->m_nb_comps = p_image->numcomps;
7775 l_mcc_data->m_index = l_indix++;
7776 l_mcc_data->m_offset_array = l_mct_offset_data;
7777 ++p_tcp->m_nb_mcc_records;
7778
7779 return OPJ_TRUE;
7780}
7781
7782static OPJ_BOOL opj_j2k_build_decoder(opj_j2k_t * p_j2k,
7783 opj_stream_private_t *p_stream,
7784 opj_event_mgr_t * p_manager)
7785{
7786 /* add here initialization of cp
7787 copy paste of setup_decoder */
7788 (void)p_j2k;
7789 (void)p_stream;
7790 (void)p_manager;
7791 return OPJ_TRUE;
7792}
7793
7794static OPJ_BOOL opj_j2k_build_encoder(opj_j2k_t * p_j2k,
7795 opj_stream_private_t *p_stream,
7796 opj_event_mgr_t * p_manager)
7797{
7798 /* add here initialization of cp
7799 copy paste of setup_encoder */
7800 (void)p_j2k;
7801 (void)p_stream;
7802 (void)p_manager;
7803 return OPJ_TRUE;
7804}
7805
7806static OPJ_BOOL opj_j2k_encoding_validation(opj_j2k_t * p_j2k,
7807 opj_stream_private_t *p_stream,
7808 opj_event_mgr_t * p_manager)
7809{
7810 OPJ_BOOL l_is_valid = OPJ_TRUE;
7811
7812 /* preconditions */
7813 assert(p_j2k != 00);
7814 assert(p_stream != 00);
7815 assert(p_manager != 00);
7816
7817 OPJ_UNUSED(p_stream);
7818
7819 /* STATE checking */
7820 /* make sure the state is at 0 */
7821 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NONE);
7822
7823 /* POINTER validation */
7824 /* make sure a p_j2k codec is present */
7825 l_is_valid &= (p_j2k->m_procedure_list != 00);
7826 /* make sure a validation list is present */
7827 l_is_valid &= (p_j2k->m_validation_list != 00);
7828
7829 /* ISO 15444-1:2004 states between 1 & 33 (0 -> 32) */
7830 /* 33 (32) would always fail the check below (if a cast to 64bits was done) */
7831 /* FIXME Shall we change OPJ_J2K_MAXRLVLS to 32 ? */
7832 if ((p_j2k->m_cp.tcps->tccps->numresolutions <= 0) ||
7833 (p_j2k->m_cp.tcps->tccps->numresolutions > 32)) {
7834 opj_event_msg(p_manager, EVT_ERROR,
7835 "Number of resolutions is too high in comparison to the size of tiles\n");
7836 return OPJ_FALSE;
7837 }
7838
7839 if ((p_j2k->m_cp.tdx) < (OPJ_UINT32)(1 <<
7840 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
7841 opj_event_msg(p_manager, EVT_ERROR,
7842 "Number of resolutions is too high in comparison to the size of tiles\n");
7843 return OPJ_FALSE;
7844 }
7845
7846 if ((p_j2k->m_cp.tdy) < (OPJ_UINT32)(1 <<
7847 (p_j2k->m_cp.tcps->tccps->numresolutions - 1U))) {
7848 opj_event_msg(p_manager, EVT_ERROR,
7849 "Number of resolutions is too high in comparison to the size of tiles\n");
7850 return OPJ_FALSE;
7851 }
7852
7853 /* PARAMETER VALIDATION */
7854 return l_is_valid;
7855}
7856
7857static OPJ_BOOL opj_j2k_decoding_validation(opj_j2k_t *p_j2k,
7858 opj_stream_private_t *p_stream,
7859 opj_event_mgr_t * p_manager
7860 )
7861{
7862 OPJ_BOOL l_is_valid = OPJ_TRUE;
7863
7864 /* preconditions*/
7865 assert(p_j2k != 00);
7866 assert(p_stream != 00);
7867 assert(p_manager != 00);
7868
7869 OPJ_UNUSED(p_stream);
7870 OPJ_UNUSED(p_manager);
7871
7872 /* STATE checking */
7873 /* make sure the state is at 0 */
7874#ifdef TODO_MSD
7875 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == J2K_DEC_STATE_NONE);
7876#endif
7877 l_is_valid &= (p_j2k->m_specific_param.m_decoder.m_state == 0x0000);
7878
7879 /* POINTER validation */
7880 /* make sure a p_j2k codec is present */
7881 /* make sure a procedure list is present */
7882 l_is_valid &= (p_j2k->m_procedure_list != 00);
7883 /* make sure a validation list is present */
7884 l_is_valid &= (p_j2k->m_validation_list != 00);
7885
7886 /* PARAMETER VALIDATION */
7887 return l_is_valid;
7888}
7889
7890static OPJ_BOOL opj_j2k_read_header_procedure(opj_j2k_t *p_j2k,
7891 opj_stream_private_t *p_stream,
7892 opj_event_mgr_t * p_manager)
7893{
7894 OPJ_UINT32 l_current_marker;
7895 OPJ_UINT32 l_marker_size;
7896 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
7897 OPJ_BOOL l_has_siz = 0;
7898 OPJ_BOOL l_has_cod = 0;
7899 OPJ_BOOL l_has_qcd = 0;
7900
7901 /* preconditions */
7902 assert(p_stream != 00);
7903 assert(p_j2k != 00);
7904 assert(p_manager != 00);
7905
7906 /* We enter in the main header */
7907 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_MHSOC;
7908
7909 /* Try to read the SOC marker, the codestream must begin with SOC marker */
7910 if (! opj_j2k_read_soc(p_j2k, p_stream, p_manager)) {
7911 opj_event_msg(p_manager, EVT_ERROR, "Expected a SOC marker \n");
7912 return OPJ_FALSE;
7913 }
7914
7915 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
7916 if (opj_stream_read_data(p_stream,
7917 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
7918 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7919 return OPJ_FALSE;
7920 }
7921
7922 /* Read 2 bytes as the new marker ID */
7923 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
7924 &l_current_marker, 2);
7925
7926 /* Try to read until the SOT is detected */
7927 while (l_current_marker != J2K_MS_SOT) {
7928
7929 /* Check if the current marker ID is valid */
7930 if (l_current_marker < 0xff00) {
7931 opj_event_msg(p_manager, EVT_ERROR,
7932 "A marker ID was expected (0xff--) instead of %.8x\n", l_current_marker);
7933 return OPJ_FALSE;
7934 }
7935
7936 /* Get the marker handler from the marker ID */
7937 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
7938
7939 /* Manage case where marker is unknown */
7940 if (l_marker_handler->id == J2K_MS_UNK) {
7941 if (! opj_j2k_read_unk(p_j2k, p_stream, &l_current_marker, p_manager)) {
7942 opj_event_msg(p_manager, EVT_ERROR,
7943 "Unknow marker have been detected and generated error.\n");
7944 return OPJ_FALSE;
7945 }
7946
7947 if (l_current_marker == J2K_MS_SOT) {
7948 break; /* SOT marker is detected main header is completely read */
7949 } else { /* Get the marker handler from the marker ID */
7950 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
7951 }
7952 }
7953
7954 if (l_marker_handler->id == J2K_MS_SIZ) {
7955 /* Mark required SIZ marker as found */
7956 l_has_siz = 1;
7957 }
7958 if (l_marker_handler->id == J2K_MS_COD) {
7959 /* Mark required COD marker as found */
7960 l_has_cod = 1;
7961 }
7962 if (l_marker_handler->id == J2K_MS_QCD) {
7963 /* Mark required QCD marker as found */
7964 l_has_qcd = 1;
7965 }
7966
7967 /* Check if the marker is known and if it is the right place to find it */
7968 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
7969 opj_event_msg(p_manager, EVT_ERROR,
7970 "Marker is not compliant with its position\n");
7971 return OPJ_FALSE;
7972 }
7973
7974 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
7975 if (opj_stream_read_data(p_stream,
7976 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
7977 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
7978 return OPJ_FALSE;
7979 }
7980
7981 /* read 2 bytes as the marker size */
7982 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
7983 2);
7984 if (l_marker_size < 2) {
7985 opj_event_msg(p_manager, EVT_ERROR, "Invalid marker size\n");
7986 return OPJ_FALSE;
7987 }
7988 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
7989
7990 /* Check if the marker size is compatible with the header data size */
7991 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
7992 OPJ_BYTE *new_header_data = (OPJ_BYTE *) opj_realloc(
7993 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
7994 if (! new_header_data) {
7995 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
7996 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
7997 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
7998 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
7999 return OPJ_FALSE;
8000 }
8001 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
8002 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
8003 }
8004
8005 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
8006 if (opj_stream_read_data(p_stream,
8007 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
8008 p_manager) != l_marker_size) {
8009 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8010 return OPJ_FALSE;
8011 }
8012
8013 /* Read the marker segment with the correct marker handler */
8014 if (!(*(l_marker_handler->handler))(p_j2k,
8015 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
8016 opj_event_msg(p_manager, EVT_ERROR,
8017 "Marker handler function failed to read the marker segment\n");
8018 return OPJ_FALSE;
8019 }
8020
8021 /* Add the marker to the codestream index*/
8022 if (OPJ_FALSE == opj_j2k_add_mhmarker(
8023 p_j2k->cstr_index,
8024 l_marker_handler->id,
8025 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
8026 l_marker_size + 4)) {
8027 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add mh marker\n");
8028 return OPJ_FALSE;
8029 }
8030
8031 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8032 if (opj_stream_read_data(p_stream,
8033 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8034 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8035 return OPJ_FALSE;
8036 }
8037
8038 /* read 2 bytes as the new marker ID */
8039 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8040 &l_current_marker, 2);
8041 }
8042
8043 if (l_has_siz == 0) {
8044 opj_event_msg(p_manager, EVT_ERROR,
8045 "required SIZ marker not found in main header\n");
8046 return OPJ_FALSE;
8047 }
8048 if (l_has_cod == 0) {
8049 opj_event_msg(p_manager, EVT_ERROR,
8050 "required COD marker not found in main header\n");
8051 return OPJ_FALSE;
8052 }
8053 if (l_has_qcd == 0) {
8054 opj_event_msg(p_manager, EVT_ERROR,
8055 "required QCD marker not found in main header\n");
8056 return OPJ_FALSE;
8057 }
8058
8059 if (! opj_j2k_merge_ppm(&(p_j2k->m_cp), p_manager)) {
8060 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPM data\n");
8061 return OPJ_FALSE;
8062 }
8063
8064 opj_event_msg(p_manager, EVT_INFO, "Main header has been correctly decoded.\n");
8065
8066 /* Position of the last element if the main header */
8067 p_j2k->cstr_index->main_head_end = (OPJ_UINT32) opj_stream_tell(p_stream) - 2;
8068
8069 /* Next step: read a tile-part header */
8070 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
8071
8072 return OPJ_TRUE;
8073}
8074
8075static OPJ_BOOL opj_j2k_exec(opj_j2k_t * p_j2k,
8076 opj_procedure_list_t * p_procedure_list,
8077 opj_stream_private_t *p_stream,
8078 opj_event_mgr_t * p_manager)
8079{
8080 OPJ_BOOL(** l_procedure)(opj_j2k_t *, opj_stream_private_t *,
8081 opj_event_mgr_t *) = 00;
8082 OPJ_BOOL l_result = OPJ_TRUE;
8083 OPJ_UINT32 l_nb_proc, i;
8084
8085 /* preconditions*/
8086 assert(p_procedure_list != 00);
8087 assert(p_j2k != 00);
8088 assert(p_stream != 00);
8089 assert(p_manager != 00);
8090
8091 l_nb_proc = opj_procedure_list_get_nb_procedures(p_procedure_list);
8092 l_procedure = (OPJ_BOOL(**)(opj_j2k_t *, opj_stream_private_t *,
8093 opj_event_mgr_t *)) opj_procedure_list_get_first_procedure(p_procedure_list);
8094
8095 for (i = 0; i < l_nb_proc; ++i) {
8096 l_result = l_result && ((*l_procedure)(p_j2k, p_stream, p_manager));
8097 ++l_procedure;
8098 }
8099
8100 /* and clear the procedure list at the end.*/
8101 opj_procedure_list_clear(p_procedure_list);
8102 return l_result;
8103}
8104
8105/* FIXME DOC*/
8106static OPJ_BOOL opj_j2k_copy_default_tcp_and_create_tcd(opj_j2k_t * p_j2k,
8107 opj_stream_private_t *p_stream,
8108 opj_event_mgr_t * p_manager
8109 )
8110{
8111 opj_tcp_t * l_tcp = 00;
8112 opj_tcp_t * l_default_tcp = 00;
8113 OPJ_UINT32 l_nb_tiles;
8114 OPJ_UINT32 i, j;
8115 opj_tccp_t *l_current_tccp = 00;
8116 OPJ_UINT32 l_tccp_size;
8117 OPJ_UINT32 l_mct_size;
8118 opj_image_t * l_image;
8119 OPJ_UINT32 l_mcc_records_size, l_mct_records_size;
8120 opj_mct_data_t * l_src_mct_rec, *l_dest_mct_rec;
8121 opj_simple_mcc_decorrelation_data_t * l_src_mcc_rec, *l_dest_mcc_rec;
8122 OPJ_UINT32 l_offset;
8123
8124 /* preconditions */
8125 assert(p_j2k != 00);
8126 assert(p_stream != 00);
8127 assert(p_manager != 00);
8128
8129 OPJ_UNUSED(p_stream);
8130
8131 l_image = p_j2k->m_private_image;
8132 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
8133 l_tcp = p_j2k->m_cp.tcps;
8134 l_tccp_size = l_image->numcomps * (OPJ_UINT32)sizeof(opj_tccp_t);
8135 l_default_tcp = p_j2k->m_specific_param.m_decoder.m_default_tcp;
8136 l_mct_size = l_image->numcomps * l_image->numcomps * (OPJ_UINT32)sizeof(
8137 OPJ_FLOAT32);
8138
8139 /* For each tile */
8140 for (i = 0; i < l_nb_tiles; ++i) {
8141 /* keep the tile-compo coding parameters pointer of the current tile coding parameters*/
8142 l_current_tccp = l_tcp->tccps;
8143 /*Copy default coding parameters into the current tile coding parameters*/
8144 memcpy(l_tcp, l_default_tcp, sizeof(opj_tcp_t));
8145 /* Initialize some values of the current tile coding parameters*/
8146 l_tcp->cod = 0;
8147 l_tcp->ppt = 0;
8148 l_tcp->ppt_data = 00;
8149 l_tcp->m_current_tile_part_number = -1;
8150 /* Remove memory not owned by this tile in case of early error return. */
8151 l_tcp->m_mct_decoding_matrix = 00;
8152 l_tcp->m_nb_max_mct_records = 0;
8153 l_tcp->m_mct_records = 00;
8154 l_tcp->m_nb_max_mcc_records = 0;
8155 l_tcp->m_mcc_records = 00;
8156 /* Reconnect the tile-compo coding parameters pointer to the current tile coding parameters*/
8157 l_tcp->tccps = l_current_tccp;
8158
8159 /* Get the mct_decoding_matrix of the dflt_tile_cp and copy them into the current tile cp*/
8160 if (l_default_tcp->m_mct_decoding_matrix) {
8161 l_tcp->m_mct_decoding_matrix = (OPJ_FLOAT32*)opj_malloc(l_mct_size);
8162 if (! l_tcp->m_mct_decoding_matrix) {
8163 return OPJ_FALSE;
8164 }
8165 memcpy(l_tcp->m_mct_decoding_matrix, l_default_tcp->m_mct_decoding_matrix,
8166 l_mct_size);
8167 }
8168
8169 /* Get the mct_record of the dflt_tile_cp and copy them into the current tile cp*/
8170 l_mct_records_size = l_default_tcp->m_nb_max_mct_records * (OPJ_UINT32)sizeof(
8171 opj_mct_data_t);
8172 l_tcp->m_mct_records = (opj_mct_data_t*)opj_malloc(l_mct_records_size);
8173 if (! l_tcp->m_mct_records) {
8174 return OPJ_FALSE;
8175 }
8176 memcpy(l_tcp->m_mct_records, l_default_tcp->m_mct_records, l_mct_records_size);
8177
8178 /* Copy the mct record data from dflt_tile_cp to the current tile*/
8179 l_src_mct_rec = l_default_tcp->m_mct_records;
8180 l_dest_mct_rec = l_tcp->m_mct_records;
8181
8182 for (j = 0; j < l_default_tcp->m_nb_mct_records; ++j) {
8183
8184 if (l_src_mct_rec->m_data) {
8185
8186 l_dest_mct_rec->m_data = (OPJ_BYTE*) opj_malloc(l_src_mct_rec->m_data_size);
8187 if (! l_dest_mct_rec->m_data) {
8188 return OPJ_FALSE;
8189 }
8190 memcpy(l_dest_mct_rec->m_data, l_src_mct_rec->m_data,
8191 l_src_mct_rec->m_data_size);
8192 }
8193
8194 ++l_src_mct_rec;
8195 ++l_dest_mct_rec;
8196 /* Update with each pass to free exactly what has been allocated on early return. */
8197 l_tcp->m_nb_max_mct_records += 1;
8198 }
8199
8200 /* Get the mcc_record of the dflt_tile_cp and copy them into the current tile cp*/
8201 l_mcc_records_size = l_default_tcp->m_nb_max_mcc_records * (OPJ_UINT32)sizeof(
8202 opj_simple_mcc_decorrelation_data_t);
8203 l_tcp->m_mcc_records = (opj_simple_mcc_decorrelation_data_t*) opj_malloc(
8204 l_mcc_records_size);
8205 if (! l_tcp->m_mcc_records) {
8206 return OPJ_FALSE;
8207 }
8208 memcpy(l_tcp->m_mcc_records, l_default_tcp->m_mcc_records, l_mcc_records_size);
8209 l_tcp->m_nb_max_mcc_records = l_default_tcp->m_nb_max_mcc_records;
8210
8211 /* Copy the mcc record data from dflt_tile_cp to the current tile*/
8212 l_src_mcc_rec = l_default_tcp->m_mcc_records;
8213 l_dest_mcc_rec = l_tcp->m_mcc_records;
8214
8215 for (j = 0; j < l_default_tcp->m_nb_max_mcc_records; ++j) {
8216
8217 if (l_src_mcc_rec->m_decorrelation_array) {
8218 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_decorrelation_array -
8219 l_default_tcp->m_mct_records);
8220 l_dest_mcc_rec->m_decorrelation_array = l_tcp->m_mct_records + l_offset;
8221 }
8222
8223 if (l_src_mcc_rec->m_offset_array) {
8224 l_offset = (OPJ_UINT32)(l_src_mcc_rec->m_offset_array -
8225 l_default_tcp->m_mct_records);
8226 l_dest_mcc_rec->m_offset_array = l_tcp->m_mct_records + l_offset;
8227 }
8228
8229 ++l_src_mcc_rec;
8230 ++l_dest_mcc_rec;
8231 }
8232
8233 /* Copy all the dflt_tile_compo_cp to the current tile cp */
8234 memcpy(l_current_tccp, l_default_tcp->tccps, l_tccp_size);
8235
8236 /* Move to next tile cp*/
8237 ++l_tcp;
8238 }
8239
8240 /* Create the current tile decoder*/
8241 p_j2k->m_tcd = opj_tcd_create(OPJ_TRUE);
8242 if (! p_j2k->m_tcd) {
8243 return OPJ_FALSE;
8244 }
8245
8246 if (!opj_tcd_init(p_j2k->m_tcd, l_image, &(p_j2k->m_cp), p_j2k->m_tp)) {
8247 opj_tcd_destroy(p_j2k->m_tcd);
8248 p_j2k->m_tcd = 00;
8249 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
8250 return OPJ_FALSE;
8251 }
8252
8253 return OPJ_TRUE;
8254}
8255
8256static const opj_dec_memory_marker_handler_t * opj_j2k_get_marker_handler(
8257 OPJ_UINT32 p_id)
8258{
8259 const opj_dec_memory_marker_handler_t *e;
8260 for (e = j2k_memory_marker_handler_tab; e->id != 0; ++e) {
8261 if (e->id == p_id) {
8262 break; /* we find a handler corresponding to the marker ID*/
8263 }
8264 }
8265 return e;
8266}
8267
8268void opj_j2k_destroy(opj_j2k_t *p_j2k)
8269{
8270 if (p_j2k == 00) {
8271 return;
8272 }
8273
8274 if (p_j2k->m_is_decoder) {
8275
8276 if (p_j2k->m_specific_param.m_decoder.m_default_tcp != 00) {
8277 opj_j2k_tcp_destroy(p_j2k->m_specific_param.m_decoder.m_default_tcp);
8278 opj_free(p_j2k->m_specific_param.m_decoder.m_default_tcp);
8279 p_j2k->m_specific_param.m_decoder.m_default_tcp = 00;
8280 }
8281
8282 if (p_j2k->m_specific_param.m_decoder.m_header_data != 00) {
8283 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
8284 p_j2k->m_specific_param.m_decoder.m_header_data = 00;
8285 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
8286 }
8287
8288 opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
8289 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = 00;
8290 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
8291
8292 } else {
8293
8294 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
8295 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
8296 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 00;
8297 }
8298
8299 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
8300 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
8301 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 00;
8302 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 00;
8303 }
8304
8305 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
8306 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
8307 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 00;
8308 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
8309 }
8310 }
8311
8312 opj_tcd_destroy(p_j2k->m_tcd);
8313
8314 opj_j2k_cp_destroy(&(p_j2k->m_cp));
8315 memset(&(p_j2k->m_cp), 0, sizeof(opj_cp_t));
8316
8317 opj_procedure_list_destroy(p_j2k->m_procedure_list);
8318 p_j2k->m_procedure_list = 00;
8319
8320 opj_procedure_list_destroy(p_j2k->m_validation_list);
8321 p_j2k->m_procedure_list = 00;
8322
8323 j2k_destroy_cstr_index(p_j2k->cstr_index);
8324 p_j2k->cstr_index = NULL;
8325
8326 opj_image_destroy(p_j2k->m_private_image);
8327 p_j2k->m_private_image = NULL;
8328
8329 opj_image_destroy(p_j2k->m_output_image);
8330 p_j2k->m_output_image = NULL;
8331
8332 opj_thread_pool_destroy(p_j2k->m_tp);
8333 p_j2k->m_tp = NULL;
8334
8335 opj_free(p_j2k);
8336}
8337
8338void j2k_destroy_cstr_index(opj_codestream_index_t *p_cstr_ind)
8339{
8340 if (p_cstr_ind) {
8341
8342 if (p_cstr_ind->marker) {
8343 opj_free(p_cstr_ind->marker);
8344 p_cstr_ind->marker = NULL;
8345 }
8346
8347 if (p_cstr_ind->tile_index) {
8348 OPJ_UINT32 it_tile = 0;
8349
8350 for (it_tile = 0; it_tile < p_cstr_ind->nb_of_tiles; it_tile++) {
8351
8352 if (p_cstr_ind->tile_index[it_tile].packet_index) {
8353 opj_free(p_cstr_ind->tile_index[it_tile].packet_index);
8354 p_cstr_ind->tile_index[it_tile].packet_index = NULL;
8355 }
8356
8357 if (p_cstr_ind->tile_index[it_tile].tp_index) {
8358 opj_free(p_cstr_ind->tile_index[it_tile].tp_index);
8359 p_cstr_ind->tile_index[it_tile].tp_index = NULL;
8360 }
8361
8362 if (p_cstr_ind->tile_index[it_tile].marker) {
8363 opj_free(p_cstr_ind->tile_index[it_tile].marker);
8364 p_cstr_ind->tile_index[it_tile].marker = NULL;
8365
8366 }
8367 }
8368
8369 opj_free(p_cstr_ind->tile_index);
8370 p_cstr_ind->tile_index = NULL;
8371 }
8372
8373 opj_free(p_cstr_ind);
8374 }
8375}
8376
8377static void opj_j2k_tcp_destroy(opj_tcp_t *p_tcp)
8378{
8379 if (p_tcp == 00) {
8380 return;
8381 }
8382
8383 if (p_tcp->ppt_markers != 00) {
8384 OPJ_UINT32 i;
8385 for (i = 0U; i < p_tcp->ppt_markers_count; ++i) {
8386 if (p_tcp->ppt_markers[i].m_data != NULL) {
8387 opj_free(p_tcp->ppt_markers[i].m_data);
8388 }
8389 }
8390 p_tcp->ppt_markers_count = 0U;
8391 opj_free(p_tcp->ppt_markers);
8392 p_tcp->ppt_markers = NULL;
8393 }
8394
8395 if (p_tcp->ppt_buffer != 00) {
8396 opj_free(p_tcp->ppt_buffer);
8397 p_tcp->ppt_buffer = 00;
8398 }
8399
8400 if (p_tcp->tccps != 00) {
8401 opj_free(p_tcp->tccps);
8402 p_tcp->tccps = 00;
8403 }
8404
8405 if (p_tcp->m_mct_coding_matrix != 00) {
8406 opj_free(p_tcp->m_mct_coding_matrix);
8407 p_tcp->m_mct_coding_matrix = 00;
8408 }
8409
8410 if (p_tcp->m_mct_decoding_matrix != 00) {
8411 opj_free(p_tcp->m_mct_decoding_matrix);
8412 p_tcp->m_mct_decoding_matrix = 00;
8413 }
8414
8415 if (p_tcp->m_mcc_records) {
8416 opj_free(p_tcp->m_mcc_records);
8417 p_tcp->m_mcc_records = 00;
8418 p_tcp->m_nb_max_mcc_records = 0;
8419 p_tcp->m_nb_mcc_records = 0;
8420 }
8421
8422 if (p_tcp->m_mct_records) {
8423 opj_mct_data_t * l_mct_data = p_tcp->m_mct_records;
8424 OPJ_UINT32 i;
8425
8426 for (i = 0; i < p_tcp->m_nb_mct_records; ++i) {
8427 if (l_mct_data->m_data) {
8428 opj_free(l_mct_data->m_data);
8429 l_mct_data->m_data = 00;
8430 }
8431
8432 ++l_mct_data;
8433 }
8434
8435 opj_free(p_tcp->m_mct_records);
8436 p_tcp->m_mct_records = 00;
8437 }
8438
8439 if (p_tcp->mct_norms != 00) {
8440 opj_free(p_tcp->mct_norms);
8441 p_tcp->mct_norms = 00;
8442 }
8443
8444 opj_j2k_tcp_data_destroy(p_tcp);
8445
8446}
8447
8448static void opj_j2k_tcp_data_destroy(opj_tcp_t *p_tcp)
8449{
8450 if (p_tcp->m_data) {
8451 opj_free(p_tcp->m_data);
8452 p_tcp->m_data = NULL;
8453 p_tcp->m_data_size = 0;
8454 }
8455}
8456
8457static void opj_j2k_cp_destroy(opj_cp_t *p_cp)
8458{
8459 OPJ_UINT32 l_nb_tiles;
8460 opj_tcp_t * l_current_tile = 00;
8461
8462 if (p_cp == 00) {
8463 return;
8464 }
8465 if (p_cp->tcps != 00) {
8466 OPJ_UINT32 i;
8467 l_current_tile = p_cp->tcps;
8468 l_nb_tiles = p_cp->th * p_cp->tw;
8469
8470 for (i = 0U; i < l_nb_tiles; ++i) {
8471 opj_j2k_tcp_destroy(l_current_tile);
8472 ++l_current_tile;
8473 }
8474 opj_free(p_cp->tcps);
8475 p_cp->tcps = 00;
8476 }
8477 if (p_cp->ppm_markers != 00) {
8478 OPJ_UINT32 i;
8479 for (i = 0U; i < p_cp->ppm_markers_count; ++i) {
8480 if (p_cp->ppm_markers[i].m_data != NULL) {
8481 opj_free(p_cp->ppm_markers[i].m_data);
8482 }
8483 }
8484 p_cp->ppm_markers_count = 0U;
8485 opj_free(p_cp->ppm_markers);
8486 p_cp->ppm_markers = NULL;
8487 }
8488 opj_free(p_cp->ppm_buffer);
8489 p_cp->ppm_buffer = 00;
8490 p_cp->ppm_data =
8491 NULL; /* ppm_data belongs to the allocated buffer pointed by ppm_buffer */
8492 opj_free(p_cp->comment);
8493 p_cp->comment = 00;
8494 if (! p_cp->m_is_decoder) {
8495 opj_free(p_cp->m_specific_param.m_enc.m_matrice);
8496 p_cp->m_specific_param.m_enc.m_matrice = 00;
8497 }
8498}
8499
8500static OPJ_BOOL opj_j2k_need_nb_tile_parts_correction(opj_stream_private_t
8501 *p_stream, OPJ_UINT32 tile_no, OPJ_BOOL* p_correction_needed,
8502 opj_event_mgr_t * p_manager)
8503{
8504 OPJ_BYTE l_header_data[10];
8505 OPJ_OFF_T l_stream_pos_backup;
8506 OPJ_UINT32 l_current_marker;
8507 OPJ_UINT32 l_marker_size;
8508 OPJ_UINT32 l_tile_no, l_tot_len, l_current_part, l_num_parts;
8509
8510 /* initialize to no correction needed */
8511 *p_correction_needed = OPJ_FALSE;
8512
8513 if (!opj_stream_has_seek(p_stream)) {
8514 /* We can't do much in this case, seek is needed */
8515 return OPJ_TRUE;
8516 }
8517
8518 l_stream_pos_backup = opj_stream_tell(p_stream);
8519 if (l_stream_pos_backup == -1) {
8520 /* let's do nothing */
8521 return OPJ_TRUE;
8522 }
8523
8524 for (;;) {
8525 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8526 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
8527 /* assume all is OK */
8528 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8529 return OPJ_FALSE;
8530 }
8531 return OPJ_TRUE;
8532 }
8533
8534 /* Read 2 bytes from buffer as the new marker ID */
8535 opj_read_bytes(l_header_data, &l_current_marker, 2);
8536
8537 if (l_current_marker != J2K_MS_SOT) {
8538 /* assume all is OK */
8539 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8540 return OPJ_FALSE;
8541 }
8542 return OPJ_TRUE;
8543 }
8544
8545 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
8546 if (opj_stream_read_data(p_stream, l_header_data, 2, p_manager) != 2) {
8547 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8548 return OPJ_FALSE;
8549 }
8550
8551 /* Read 2 bytes from the buffer as the marker size */
8552 opj_read_bytes(l_header_data, &l_marker_size, 2);
8553
8554 /* Check marker size for SOT Marker */
8555 if (l_marker_size != 10) {
8556 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
8557 return OPJ_FALSE;
8558 }
8559 l_marker_size -= 2;
8560
8561 if (opj_stream_read_data(p_stream, l_header_data, l_marker_size,
8562 p_manager) != l_marker_size) {
8563 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8564 return OPJ_FALSE;
8565 }
8566
8567 if (! opj_j2k_get_sot_values(l_header_data, l_marker_size, &l_tile_no,
8568 &l_tot_len, &l_current_part, &l_num_parts, p_manager)) {
8569 return OPJ_FALSE;
8570 }
8571
8572 if (l_tile_no == tile_no) {
8573 /* we found what we were looking for */
8574 break;
8575 }
8576
8577 if (l_tot_len < 14U) {
8578 /* last SOT until EOC or invalid Psot value */
8579 /* assume all is OK */
8580 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8581 return OPJ_FALSE;
8582 }
8583 return OPJ_TRUE;
8584 }
8585 l_tot_len -= 12U;
8586 /* look for next SOT marker */
8587 if (opj_stream_skip(p_stream, (OPJ_OFF_T)(l_tot_len),
8588 p_manager) != (OPJ_OFF_T)(l_tot_len)) {
8589 /* assume all is OK */
8590 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8591 return OPJ_FALSE;
8592 }
8593 return OPJ_TRUE;
8594 }
8595 }
8596
8597 /* check for correction */
8598 if (l_current_part == l_num_parts) {
8599 *p_correction_needed = OPJ_TRUE;
8600 }
8601
8602 if (! opj_stream_seek(p_stream, l_stream_pos_backup, p_manager)) {
8603 return OPJ_FALSE;
8604 }
8605 return OPJ_TRUE;
8606}
8607
8608OPJ_BOOL opj_j2k_read_tile_header(opj_j2k_t * p_j2k,
8609 OPJ_UINT32 * p_tile_index,
8610 OPJ_UINT32 * p_data_size,
8611 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
8612 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
8613 OPJ_UINT32 * p_nb_comps,
8614 OPJ_BOOL * p_go_on,
8615 opj_stream_private_t *p_stream,
8616 opj_event_mgr_t * p_manager)
8617{
8618 OPJ_UINT32 l_current_marker = J2K_MS_SOT;
8619 OPJ_UINT32 l_marker_size;
8620 const opj_dec_memory_marker_handler_t * l_marker_handler = 00;
8621 opj_tcp_t * l_tcp = NULL;
8622
8623 /* preconditions */
8624 assert(p_stream != 00);
8625 assert(p_j2k != 00);
8626 assert(p_manager != 00);
8627
8628 /* Reach the End Of Codestream ?*/
8629 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
8630 l_current_marker = J2K_MS_EOC;
8631 }
8632 /* We need to encounter a SOT marker (a new tile-part header) */
8633 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
8634 return OPJ_FALSE;
8635 }
8636
8637 /* Read into the codestream until reach the EOC or ! can_decode ??? FIXME */
8638 while ((!p_j2k->m_specific_param.m_decoder.m_can_decode) &&
8639 (l_current_marker != J2K_MS_EOC)) {
8640
8641 /* Try to read until the Start Of Data is detected */
8642 while (l_current_marker != J2K_MS_SOD) {
8643
8644 if (opj_stream_get_number_byte_left(p_stream) == 0) {
8645 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
8646 break;
8647 }
8648
8649 /* Try to read 2 bytes (the marker size) from stream and copy them into the buffer */
8650 if (opj_stream_read_data(p_stream,
8651 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8652 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8653 return OPJ_FALSE;
8654 }
8655
8656 /* Read 2 bytes from the buffer as the marker size */
8657 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data, &l_marker_size,
8658 2);
8659
8660 /* Check marker size (does not include marker ID but includes marker size) */
8661 if (l_marker_size < 2) {
8662 opj_event_msg(p_manager, EVT_ERROR, "Inconsistent marker size\n");
8663 return OPJ_FALSE;
8664 }
8665
8666 /* cf. https://code.google.com/p/openjpeg/issues/detail?id=226 */
8667 if (l_current_marker == 0x8080 &&
8668 opj_stream_get_number_byte_left(p_stream) == 0) {
8669 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
8670 break;
8671 }
8672
8673 /* Why this condition? FIXME */
8674 if (p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_TPH) {
8675 p_j2k->m_specific_param.m_decoder.m_sot_length -= (l_marker_size + 2);
8676 }
8677 l_marker_size -= 2; /* Subtract the size of the marker ID already read */
8678
8679 /* Get the marker handler from the marker ID */
8680 l_marker_handler = opj_j2k_get_marker_handler(l_current_marker);
8681
8682 /* Check if the marker is known and if it is the right place to find it */
8683 if (!(p_j2k->m_specific_param.m_decoder.m_state & l_marker_handler->states)) {
8684 opj_event_msg(p_manager, EVT_ERROR,
8685 "Marker is not compliant with its position\n");
8686 return OPJ_FALSE;
8687 }
8688 /* FIXME manage case of unknown marker as in the main header ? */
8689
8690 /* Check if the marker size is compatible with the header data size */
8691 if (l_marker_size > p_j2k->m_specific_param.m_decoder.m_header_data_size) {
8692 OPJ_BYTE *new_header_data = NULL;
8693 /* If we are here, this means we consider this marker as known & we will read it */
8694 /* Check enough bytes left in stream before allocation */
8695 if ((OPJ_OFF_T)l_marker_size > opj_stream_get_number_byte_left(p_stream)) {
8696 opj_event_msg(p_manager, EVT_ERROR,
8697 "Marker size inconsistent with stream length\n");
8698 return OPJ_FALSE;
8699 }
8700 new_header_data = (OPJ_BYTE *) opj_realloc(
8701 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size);
8702 if (! new_header_data) {
8703 opj_free(p_j2k->m_specific_param.m_decoder.m_header_data);
8704 p_j2k->m_specific_param.m_decoder.m_header_data = NULL;
8705 p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
8706 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to read header\n");
8707 return OPJ_FALSE;
8708 }
8709 p_j2k->m_specific_param.m_decoder.m_header_data = new_header_data;
8710 p_j2k->m_specific_param.m_decoder.m_header_data_size = l_marker_size;
8711 }
8712
8713 /* Try to read the rest of the marker segment from stream and copy them into the buffer */
8714 if (opj_stream_read_data(p_stream,
8715 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size,
8716 p_manager) != l_marker_size) {
8717 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8718 return OPJ_FALSE;
8719 }
8720
8721 if (!l_marker_handler->handler) {
8722 /* See issue #175 */
8723 opj_event_msg(p_manager, EVT_ERROR, "Not sure how that happened.\n");
8724 return OPJ_FALSE;
8725 }
8726 /* Read the marker segment with the correct marker handler */
8727 if (!(*(l_marker_handler->handler))(p_j2k,
8728 p_j2k->m_specific_param.m_decoder.m_header_data, l_marker_size, p_manager)) {
8729 opj_event_msg(p_manager, EVT_ERROR,
8730 "Fail to read the current marker segment (%#x)\n", l_current_marker);
8731 return OPJ_FALSE;
8732 }
8733
8734 /* Add the marker to the codestream index*/
8735 if (OPJ_FALSE == opj_j2k_add_tlmarker(p_j2k->m_current_tile_number,
8736 p_j2k->cstr_index,
8737 l_marker_handler->id,
8738 (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4,
8739 l_marker_size + 4)) {
8740 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to add tl marker\n");
8741 return OPJ_FALSE;
8742 }
8743
8744 /* Keep the position of the last SOT marker read */
8745 if (l_marker_handler->id == J2K_MS_SOT) {
8746 OPJ_UINT32 sot_pos = (OPJ_UINT32) opj_stream_tell(p_stream) - l_marker_size - 4
8747 ;
8748 if (sot_pos > p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos) {
8749 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = sot_pos;
8750 }
8751 }
8752
8753 if (p_j2k->m_specific_param.m_decoder.m_skip_data) {
8754 /* Skip the rest of the tile part header*/
8755 if (opj_stream_skip(p_stream, p_j2k->m_specific_param.m_decoder.m_sot_length,
8756 p_manager) != p_j2k->m_specific_param.m_decoder.m_sot_length) {
8757 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8758 return OPJ_FALSE;
8759 }
8760 l_current_marker = J2K_MS_SOD; /* Normally we reached a SOD */
8761 } else {
8762 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer*/
8763 if (opj_stream_read_data(p_stream,
8764 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8765 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8766 return OPJ_FALSE;
8767 }
8768 /* Read 2 bytes from the buffer as the new marker ID */
8769 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8770 &l_current_marker, 2);
8771 }
8772 }
8773 if (opj_stream_get_number_byte_left(p_stream) == 0
8774 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
8775 break;
8776 }
8777
8778 /* If we didn't skip data before, we need to read the SOD marker*/
8779 if (! p_j2k->m_specific_param.m_decoder.m_skip_data) {
8780 /* Try to read the SOD marker and skip data ? FIXME */
8781 if (! opj_j2k_read_sod(p_j2k, p_stream, p_manager)) {
8782 return OPJ_FALSE;
8783 }
8784 if (p_j2k->m_specific_param.m_decoder.m_can_decode &&
8785 !p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked) {
8786 /* Issue 254 */
8787 OPJ_BOOL l_correction_needed;
8788
8789 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
8790 if (!opj_j2k_need_nb_tile_parts_correction(p_stream,
8791 p_j2k->m_current_tile_number, &l_correction_needed, p_manager)) {
8792 opj_event_msg(p_manager, EVT_ERROR,
8793 "opj_j2k_apply_nb_tile_parts_correction error\n");
8794 return OPJ_FALSE;
8795 }
8796 if (l_correction_needed) {
8797 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
8798 OPJ_UINT32 l_tile_no;
8799
8800 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
8801 p_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction = 1;
8802 /* correct tiles */
8803 for (l_tile_no = 0U; l_tile_no < l_nb_tiles; ++l_tile_no) {
8804 if (p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts != 0U) {
8805 p_j2k->m_cp.tcps[l_tile_no].m_nb_tile_parts += 1;
8806 }
8807 }
8808 opj_event_msg(p_manager, EVT_WARNING,
8809 "Non conformant codestream TPsot==TNsot.\n");
8810 }
8811 }
8812 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
8813 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8814 if (opj_stream_read_data(p_stream,
8815 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8816 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8817 return OPJ_FALSE;
8818 }
8819
8820 /* Read 2 bytes from buffer as the new marker ID */
8821 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8822 &l_current_marker, 2);
8823 }
8824 } else {
8825 /* Indicate we will try to read a new tile-part header*/
8826 p_j2k->m_specific_param.m_decoder.m_skip_data = 0;
8827 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
8828 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
8829
8830 /* Try to read 2 bytes (the next marker ID) from stream and copy them into the buffer */
8831 if (opj_stream_read_data(p_stream,
8832 p_j2k->m_specific_param.m_decoder.m_header_data, 2, p_manager) != 2) {
8833 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8834 return OPJ_FALSE;
8835 }
8836
8837 /* Read 2 bytes from buffer as the new marker ID */
8838 opj_read_bytes(p_j2k->m_specific_param.m_decoder.m_header_data,
8839 &l_current_marker, 2);
8840 }
8841 }
8842
8843 /* Current marker is the EOC marker ?*/
8844 if (l_current_marker == J2K_MS_EOC) {
8845 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
8846 }
8847
8848 /* FIXME DOC ???*/
8849 if (! p_j2k->m_specific_param.m_decoder.m_can_decode) {
8850 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
8851 l_tcp = p_j2k->m_cp.tcps + p_j2k->m_current_tile_number;
8852
8853 while ((p_j2k->m_current_tile_number < l_nb_tiles) && (l_tcp->m_data == 00)) {
8854 ++p_j2k->m_current_tile_number;
8855 ++l_tcp;
8856 }
8857
8858 if (p_j2k->m_current_tile_number == l_nb_tiles) {
8859 *p_go_on = OPJ_FALSE;
8860 return OPJ_TRUE;
8861 }
8862 }
8863
8864 if (! opj_j2k_merge_ppt(p_j2k->m_cp.tcps + p_j2k->m_current_tile_number,
8865 p_manager)) {
8866 opj_event_msg(p_manager, EVT_ERROR, "Failed to merge PPT data\n");
8867 return OPJ_FALSE;
8868 }
8869 /*FIXME ???*/
8870 if (! opj_tcd_init_decode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
8871 p_manager)) {
8872 opj_event_msg(p_manager, EVT_ERROR, "Cannot decode tile, memory error\n");
8873 return OPJ_FALSE;
8874 }
8875
8876 opj_event_msg(p_manager, EVT_INFO, "Header of tile %d / %d has been read.\n",
8877 p_j2k->m_current_tile_number + 1, (p_j2k->m_cp.th * p_j2k->m_cp.tw));
8878
8879 *p_tile_index = p_j2k->m_current_tile_number;
8880 *p_go_on = OPJ_TRUE;
8881 if (p_data_size) {
8882 /* For internal use in j2k.c, we don't need this */
8883 /* This is just needed for folks using the opj_read_tile_header() / opj_decode_tile_data() combo */
8884 *p_data_size = opj_tcd_get_decoded_tile_size(p_j2k->m_tcd, OPJ_FALSE);
8885 if (*p_data_size == UINT_MAX) {
8886 return OPJ_FALSE;
8887 }
8888 }
8889 *p_tile_x0 = p_j2k->m_tcd->tcd_image->tiles->x0;
8890 *p_tile_y0 = p_j2k->m_tcd->tcd_image->tiles->y0;
8891 *p_tile_x1 = p_j2k->m_tcd->tcd_image->tiles->x1;
8892 *p_tile_y1 = p_j2k->m_tcd->tcd_image->tiles->y1;
8893 *p_nb_comps = p_j2k->m_tcd->tcd_image->tiles->numcomps;
8894
8895 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
8896
8897 return OPJ_TRUE;
8898}
8899
8900OPJ_BOOL opj_j2k_decode_tile(opj_j2k_t * p_j2k,
8901 OPJ_UINT32 p_tile_index,
8902 OPJ_BYTE * p_data,
8903 OPJ_UINT32 p_data_size,
8904 opj_stream_private_t *p_stream,
8905 opj_event_mgr_t * p_manager)
8906{
8907 OPJ_UINT32 l_current_marker;
8908 OPJ_BYTE l_data [2];
8909 opj_tcp_t * l_tcp;
8910 opj_image_t* l_image_for_bounds;
8911
8912 /* preconditions */
8913 assert(p_stream != 00);
8914 assert(p_j2k != 00);
8915 assert(p_manager != 00);
8916
8917 if (!(p_j2k->m_specific_param.m_decoder.m_state & J2K_STATE_DATA)
8918 || (p_tile_index != p_j2k->m_current_tile_number)) {
8919 return OPJ_FALSE;
8920 }
8921
8922 l_tcp = &(p_j2k->m_cp.tcps[p_tile_index]);
8923 if (! l_tcp->m_data) {
8924 opj_j2k_tcp_destroy(l_tcp);
8925 return OPJ_FALSE;
8926 }
8927
8928 /* When using the opj_read_tile_header / opj_decode_tile_data API */
8929 /* such as in test_tile_decoder, m_output_image is NULL, so fall back */
8930 /* to the full image dimension. This is a bit surprising that */
8931 /* opj_set_decode_area() is only used to determinte intersecting tiles, */
8932 /* but full tile decoding is done */
8933 l_image_for_bounds = p_j2k->m_output_image ? p_j2k->m_output_image :
8934 p_j2k->m_private_image;
8935 if (! opj_tcd_decode_tile(p_j2k->m_tcd,
8936 l_image_for_bounds->x0,
8937 l_image_for_bounds->y0,
8938 l_image_for_bounds->x1,
8939 l_image_for_bounds->y1,
8940 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode,
8941 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
8942 l_tcp->m_data,
8943 l_tcp->m_data_size,
8944 p_tile_index,
8945 p_j2k->cstr_index, p_manager)) {
8946 opj_j2k_tcp_destroy(l_tcp);
8947 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_ERR;
8948 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode.\n");
8949 return OPJ_FALSE;
8950 }
8951
8952 /* p_data can be set to NULL when the call will take care of using */
8953 /* itself the TCD data. This is typically the case for whole single */
8954 /* tile decoding optimization. */
8955 if (p_data != NULL) {
8956 if (! opj_tcd_update_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
8957 return OPJ_FALSE;
8958 }
8959
8960 /* To avoid to destroy the tcp which can be useful when we try to decode a tile decoded before (cf j2k_random_tile_access)
8961 * we destroy just the data which will be re-read in read_tile_header*/
8962 /*opj_j2k_tcp_destroy(l_tcp);
8963 p_j2k->m_tcd->tcp = 0;*/
8964 opj_j2k_tcp_data_destroy(l_tcp);
8965 }
8966
8967 p_j2k->m_specific_param.m_decoder.m_can_decode = 0;
8968 p_j2k->m_specific_param.m_decoder.m_state &= (~(OPJ_UINT32)J2K_STATE_DATA);
8969
8970 if (opj_stream_get_number_byte_left(p_stream) == 0
8971 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
8972 return OPJ_TRUE;
8973 }
8974
8975 if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_EOC) {
8976 if (opj_stream_read_data(p_stream, l_data, 2, p_manager) != 2) {
8977 opj_event_msg(p_manager, EVT_ERROR, "Stream too short\n");
8978 return OPJ_FALSE;
8979 }
8980
8981 opj_read_bytes(l_data, &l_current_marker, 2);
8982
8983 if (l_current_marker == J2K_MS_EOC) {
8984 p_j2k->m_current_tile_number = 0;
8985 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_EOC;
8986 } else if (l_current_marker != J2K_MS_SOT) {
8987 if (opj_stream_get_number_byte_left(p_stream) == 0) {
8988 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_NEOC;
8989 opj_event_msg(p_manager, EVT_WARNING, "Stream does not end with EOC\n");
8990 return OPJ_TRUE;
8991 }
8992 opj_event_msg(p_manager, EVT_ERROR, "Stream too short, expected SOT\n");
8993 return OPJ_FALSE;
8994 }
8995 }
8996
8997 return OPJ_TRUE;
8998}
8999
9000static OPJ_BOOL opj_j2k_update_image_data(opj_tcd_t * p_tcd,
9001 opj_image_t* p_output_image)
9002{
9003 OPJ_UINT32 i, j;
9004 OPJ_UINT32 l_width_src, l_height_src;
9005 OPJ_UINT32 l_width_dest, l_height_dest;
9006 OPJ_INT32 l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src;
9007 OPJ_SIZE_T l_start_offset_src;
9008 OPJ_UINT32 l_start_x_dest, l_start_y_dest;
9009 OPJ_UINT32 l_x0_dest, l_y0_dest, l_x1_dest, l_y1_dest;
9010 OPJ_SIZE_T l_start_offset_dest;
9011
9012 opj_image_comp_t * l_img_comp_src = 00;
9013 opj_image_comp_t * l_img_comp_dest = 00;
9014
9015 opj_tcd_tilecomp_t * l_tilec = 00;
9016 opj_image_t * l_image_src = 00;
9017 OPJ_INT32 * l_dest_ptr;
9018
9019 l_tilec = p_tcd->tcd_image->tiles->comps;
9020 l_image_src = p_tcd->image;
9021 l_img_comp_src = l_image_src->comps;
9022
9023 l_img_comp_dest = p_output_image->comps;
9024
9025 for (i = 0; i < l_image_src->numcomps;
9026 i++, ++l_img_comp_dest, ++l_img_comp_src, ++l_tilec) {
9027 OPJ_INT32 res_x0, res_x1, res_y0, res_y1;
9028 OPJ_UINT32 src_data_stride;
9029 const OPJ_INT32* p_src_data;
9030
9031 /* Copy info from decoded comp image to output image */
9032 l_img_comp_dest->resno_decoded = l_img_comp_src->resno_decoded;
9033
9034 if (p_tcd->whole_tile_decoding) {
9035 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
9036 l_img_comp_src->resno_decoded;
9037 res_x0 = l_res->x0;
9038 res_y0 = l_res->y0;
9039 res_x1 = l_res->x1;
9040 res_y1 = l_res->y1;
9041 src_data_stride = (OPJ_UINT32)(
9042 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x1 -
9043 l_tilec->resolutions[l_tilec->minimum_num_resolutions - 1].x0);
9044 p_src_data = l_tilec->data;
9045 } else {
9046 opj_tcd_resolution_t* l_res = l_tilec->resolutions +
9047 l_img_comp_src->resno_decoded;
9048 res_x0 = (OPJ_INT32)l_res->win_x0;
9049 res_y0 = (OPJ_INT32)l_res->win_y0;
9050 res_x1 = (OPJ_INT32)l_res->win_x1;
9051 res_y1 = (OPJ_INT32)l_res->win_y1;
9052 src_data_stride = l_res->win_x1 - l_res->win_x0;
9053 p_src_data = l_tilec->data_win;
9054 }
9055
9056 if (p_src_data == NULL) {
9057 /* Happens for partial component decoding */
9058 continue;
9059 }
9060
9061 l_width_src = (OPJ_UINT32)(res_x1 - res_x0);
9062 l_height_src = (OPJ_UINT32)(res_y1 - res_y0);
9063
9064
9065 /* Current tile component size*/
9066 /*if (i == 0) {
9067 fprintf(stdout, "SRC: l_res_x0=%d, l_res_x1=%d, l_res_y0=%d, l_res_y1=%d\n",
9068 res_x0, res_x1, res_y0, res_y1);
9069 }*/
9070
9071
9072 /* Border of the current output component*/
9073 l_x0_dest = opj_uint_ceildivpow2(l_img_comp_dest->x0, l_img_comp_dest->factor);
9074 l_y0_dest = opj_uint_ceildivpow2(l_img_comp_dest->y0, l_img_comp_dest->factor);
9075 l_x1_dest = l_x0_dest +
9076 l_img_comp_dest->w; /* can't overflow given that image->x1 is uint32 */
9077 l_y1_dest = l_y0_dest + l_img_comp_dest->h;
9078
9079 /*if (i == 0) {
9080 fprintf(stdout, "DEST: l_x0_dest=%d, l_x1_dest=%d, l_y0_dest=%d, l_y1_dest=%d (%d)\n",
9081 l_x0_dest, l_x1_dest, l_y0_dest, l_y1_dest, l_img_comp_dest->factor );
9082 }*/
9083
9084 /*-----*/
9085 /* Compute the area (l_offset_x0_src, l_offset_y0_src, l_offset_x1_src, l_offset_y1_src)
9086 * of the input buffer (decoded tile component) which will be move
9087 * in the output buffer. Compute the area of the output buffer (l_start_x_dest,
9088 * l_start_y_dest, l_width_dest, l_height_dest) which will be modified
9089 * by this input area.
9090 * */
9091 assert(res_x0 >= 0);
9092 assert(res_x1 >= 0);
9093 if (l_x0_dest < (OPJ_UINT32)res_x0) {
9094 l_start_x_dest = (OPJ_UINT32)res_x0 - l_x0_dest;
9095 l_offset_x0_src = 0;
9096
9097 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
9098 l_width_dest = l_width_src;
9099 l_offset_x1_src = 0;
9100 } else {
9101 l_width_dest = l_x1_dest - (OPJ_UINT32)res_x0 ;
9102 l_offset_x1_src = (OPJ_INT32)(l_width_src - l_width_dest);
9103 }
9104 } else {
9105 l_start_x_dest = 0U;
9106 l_offset_x0_src = (OPJ_INT32)l_x0_dest - res_x0;
9107
9108 if (l_x1_dest >= (OPJ_UINT32)res_x1) {
9109 l_width_dest = l_width_src - (OPJ_UINT32)l_offset_x0_src;
9110 l_offset_x1_src = 0;
9111 } else {
9112 l_width_dest = l_img_comp_dest->w ;
9113 l_offset_x1_src = res_x1 - (OPJ_INT32)l_x1_dest;
9114 }
9115 }
9116
9117 if (l_y0_dest < (OPJ_UINT32)res_y0) {
9118 l_start_y_dest = (OPJ_UINT32)res_y0 - l_y0_dest;
9119 l_offset_y0_src = 0;
9120
9121 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
9122 l_height_dest = l_height_src;
9123 l_offset_y1_src = 0;
9124 } else {
9125 l_height_dest = l_y1_dest - (OPJ_UINT32)res_y0 ;
9126 l_offset_y1_src = (OPJ_INT32)(l_height_src - l_height_dest);
9127 }
9128 } else {
9129 l_start_y_dest = 0U;
9130 l_offset_y0_src = (OPJ_INT32)l_y0_dest - res_y0;
9131
9132 if (l_y1_dest >= (OPJ_UINT32)res_y1) {
9133 l_height_dest = l_height_src - (OPJ_UINT32)l_offset_y0_src;
9134 l_offset_y1_src = 0;
9135 } else {
9136 l_height_dest = l_img_comp_dest->h ;
9137 l_offset_y1_src = res_y1 - (OPJ_INT32)l_y1_dest;
9138 }
9139 }
9140
9141 if ((l_offset_x0_src < 0) || (l_offset_y0_src < 0) || (l_offset_x1_src < 0) ||
9142 (l_offset_y1_src < 0)) {
9143 return OPJ_FALSE;
9144 }
9145 /* testcase 2977.pdf.asan.67.2198 */
9146 if ((OPJ_INT32)l_width_dest < 0 || (OPJ_INT32)l_height_dest < 0) {
9147 return OPJ_FALSE;
9148 }
9149 /*-----*/
9150
9151 /* Compute the input buffer offset */
9152 l_start_offset_src = (OPJ_SIZE_T)l_offset_x0_src + (OPJ_SIZE_T)l_offset_y0_src
9153 * (OPJ_SIZE_T)src_data_stride;
9154
9155 /* Compute the output buffer offset */
9156 l_start_offset_dest = (OPJ_SIZE_T)l_start_x_dest + (OPJ_SIZE_T)l_start_y_dest
9157 * (OPJ_SIZE_T)l_img_comp_dest->w;
9158
9159 /* Allocate output component buffer if necessary */
9160 if (l_img_comp_dest->data == NULL &&
9161 l_start_offset_src == 0 && l_start_offset_dest == 0 &&
9162 src_data_stride == l_img_comp_dest->w &&
9163 l_width_dest == l_img_comp_dest->w &&
9164 l_height_dest == l_img_comp_dest->h) {
9165 /* If the final image matches the tile buffer, then borrow it */
9166 /* directly to save a copy */
9167 if (p_tcd->whole_tile_decoding) {
9168 l_img_comp_dest->data = l_tilec->data;
9169 l_tilec->data = NULL;
9170 } else {
9171 l_img_comp_dest->data = l_tilec->data_win;
9172 l_tilec->data_win = NULL;
9173 }
9174 continue;
9175 } else if (l_img_comp_dest->data == NULL) {
9176 OPJ_SIZE_T l_width = l_img_comp_dest->w;
9177 OPJ_SIZE_T l_height = l_img_comp_dest->h;
9178
9179 if ((l_height == 0U) || (l_width > (SIZE_MAX / l_height)) ||
9180 l_width * l_height > SIZE_MAX / sizeof(OPJ_INT32)) {
9181 /* would overflow */
9182 return OPJ_FALSE;
9183 }
9184 l_img_comp_dest->data = (OPJ_INT32*) opj_image_data_alloc(l_width * l_height *
9185 sizeof(OPJ_INT32));
9186 if (! l_img_comp_dest->data) {
9187 return OPJ_FALSE;
9188 }
9189
9190 if (l_img_comp_dest->w != l_width_dest ||
9191 l_img_comp_dest->h != l_height_dest) {
9192 memset(l_img_comp_dest->data, 0,
9193 (OPJ_SIZE_T)l_img_comp_dest->w * l_img_comp_dest->h * sizeof(OPJ_INT32));
9194 }
9195 }
9196
9197 /* Move the output buffer to the first place where we will write*/
9198 l_dest_ptr = l_img_comp_dest->data + l_start_offset_dest;
9199
9200 {
9201 const OPJ_INT32 * l_src_ptr = p_src_data;
9202 l_src_ptr += l_start_offset_src;
9203
9204 for (j = 0; j < l_height_dest; ++j) {
9205 memcpy(l_dest_ptr, l_src_ptr, l_width_dest * sizeof(OPJ_INT32));
9206 l_dest_ptr += l_img_comp_dest->w;
9207 l_src_ptr += src_data_stride;
9208 }
9209 }
9210
9211
9212 }
9213
9214 return OPJ_TRUE;
9215}
9216
9217static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
9218 opj_event_mgr_t * p_manager)
9219{
9220 OPJ_UINT32 it_comp;
9221 OPJ_INT32 l_comp_x1, l_comp_y1;
9222 opj_image_comp_t* l_img_comp = NULL;
9223
9224 l_img_comp = p_image->comps;
9225 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
9226 OPJ_INT32 l_h, l_w;
9227
9228 l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0,
9229 (OPJ_INT32)l_img_comp->dx);
9230 l_img_comp->y0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->y0,
9231 (OPJ_INT32)l_img_comp->dy);
9232 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
9233 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
9234
9235 l_w = opj_int_ceildivpow2(l_comp_x1, (OPJ_INT32)l_img_comp->factor)
9236 - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0, (OPJ_INT32)l_img_comp->factor);
9237 if (l_w < 0) {
9238 opj_event_msg(p_manager, EVT_ERROR,
9239 "Size x of the decoded component image is incorrect (comp[%d].w=%d).\n",
9240 it_comp, l_w);
9241 return OPJ_FALSE;
9242 }
9243 l_img_comp->w = (OPJ_UINT32)l_w;
9244
9245 l_h = opj_int_ceildivpow2(l_comp_y1, (OPJ_INT32)l_img_comp->factor)
9246 - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0, (OPJ_INT32)l_img_comp->factor);
9247 if (l_h < 0) {
9248 opj_event_msg(p_manager, EVT_ERROR,
9249 "Size y of the decoded component image is incorrect (comp[%d].h=%d).\n",
9250 it_comp, l_h);
9251 return OPJ_FALSE;
9252 }
9253 l_img_comp->h = (OPJ_UINT32)l_h;
9254
9255 l_img_comp++;
9256 }
9257
9258 return OPJ_TRUE;
9259}
9260
9261OPJ_BOOL opj_j2k_set_decoded_components(opj_j2k_t *p_j2k,
9262 OPJ_UINT32 numcomps,
9263 const OPJ_UINT32* comps_indices,
9264 opj_event_mgr_t * p_manager)
9265{
9266 OPJ_UINT32 i;
9267 OPJ_BOOL* already_mapped;
9268
9269 if (p_j2k->m_private_image == NULL) {
9270 opj_event_msg(p_manager, EVT_ERROR,
9271 "opj_read_header() should be called before "
9272 "opj_set_decoded_components().\n");
9273 return OPJ_FALSE;
9274 }
9275
9276 already_mapped = (OPJ_BOOL*) opj_calloc(sizeof(OPJ_BOOL),
9277 p_j2k->m_private_image->numcomps);
9278 if (already_mapped == NULL) {
9279 return OPJ_FALSE;
9280 }
9281
9282 for (i = 0; i < numcomps; i++) {
9283 if (comps_indices[i] >= p_j2k->m_private_image->numcomps) {
9284 opj_event_msg(p_manager, EVT_ERROR,
9285 "Invalid component index: %u\n",
9286 comps_indices[i]);
9287 opj_free(already_mapped);
9288 return OPJ_FALSE;
9289 }
9290 if (already_mapped[comps_indices[i]]) {
9291 opj_event_msg(p_manager, EVT_ERROR,
9292 "Component index %u used several times\n",
9293 comps_indices[i]);
9294 opj_free(already_mapped);
9295 return OPJ_FALSE;
9296 }
9297 already_mapped[comps_indices[i]] = OPJ_TRUE;
9298 }
9299 opj_free(already_mapped);
9300
9301 opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
9302 if (numcomps) {
9303 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode =
9304 (OPJ_UINT32*) opj_malloc(numcomps * sizeof(OPJ_UINT32));
9305 if (p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode == NULL) {
9306 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
9307 return OPJ_FALSE;
9308 }
9309 memcpy(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
9310 comps_indices,
9311 numcomps * sizeof(OPJ_UINT32));
9312 } else {
9313 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = NULL;
9314 }
9315 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = numcomps;
9316
9317 return OPJ_TRUE;
9318}
9319
9320
9321OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k,
9322 opj_image_t* p_image,
9323 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
9324 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y,
9325 opj_event_mgr_t * p_manager)
9326{
9327 opj_cp_t * l_cp = &(p_j2k->m_cp);
9328 opj_image_t * l_image = p_j2k->m_private_image;
9329 OPJ_BOOL ret;
9330 OPJ_UINT32 it_comp;
9331
9332 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
9333 p_j2k->m_cp.tcps[0].m_data != NULL) {
9334 /* In the case of a single-tiled image whose codestream we have already */
9335 /* ingested, go on */
9336 }
9337 /* Check if we are read the main header */
9338 else if (p_j2k->m_specific_param.m_decoder.m_state != J2K_STATE_TPHSOT) {
9339 opj_event_msg(p_manager, EVT_ERROR,
9340 "Need to decode the main header before begin to decode the remaining codestream.\n");
9341 return OPJ_FALSE;
9342 }
9343
9344 /* Update the comps[].factor member of the output image with the one */
9345 /* of m_reduce */
9346 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
9347 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
9348 }
9349
9350 if (!p_start_x && !p_start_y && !p_end_x && !p_end_y) {
9351 opj_event_msg(p_manager, EVT_INFO,
9352 "No decoded area parameters, set the decoded area to the whole image\n");
9353
9354 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
9355 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
9356 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
9357 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
9358
9359 p_image->x0 = l_image->x0;
9360 p_image->y0 = l_image->y0;
9361 p_image->x1 = l_image->x1;
9362 p_image->y1 = l_image->y1;
9363
9364 return opj_j2k_update_image_dimensions(p_image, p_manager);
9365 }
9366
9367 /* ----- */
9368 /* Check if the positions provided by the user are correct */
9369
9370 /* Left */
9371 if (p_start_x < 0) {
9372 opj_event_msg(p_manager, EVT_ERROR,
9373 "Left position of the decoded area (region_x0=%d) should be >= 0.\n",
9374 p_start_x);
9375 return OPJ_FALSE;
9376 } else if ((OPJ_UINT32)p_start_x > l_image->x1) {
9377 opj_event_msg(p_manager, EVT_ERROR,
9378 "Left position of the decoded area (region_x0=%d) is outside the image area (Xsiz=%d).\n",
9379 p_start_x, l_image->x1);
9380 return OPJ_FALSE;
9381 } else if ((OPJ_UINT32)p_start_x < l_image->x0) {
9382 opj_event_msg(p_manager, EVT_WARNING,
9383 "Left position of the decoded area (region_x0=%d) is outside the image area (XOsiz=%d).\n",
9384 p_start_x, l_image->x0);
9385 p_j2k->m_specific_param.m_decoder.m_start_tile_x = 0;
9386 p_image->x0 = l_image->x0;
9387 } else {
9388 p_j2k->m_specific_param.m_decoder.m_start_tile_x = ((OPJ_UINT32)p_start_x -
9389 l_cp->tx0) / l_cp->tdx;
9390 p_image->x0 = (OPJ_UINT32)p_start_x;
9391 }
9392
9393 /* Up */
9394 if (p_start_y < 0) {
9395 opj_event_msg(p_manager, EVT_ERROR,
9396 "Up position of the decoded area (region_y0=%d) should be >= 0.\n",
9397 p_start_y);
9398 return OPJ_FALSE;
9399 } else if ((OPJ_UINT32)p_start_y > l_image->y1) {
9400 opj_event_msg(p_manager, EVT_ERROR,
9401 "Up position of the decoded area (region_y0=%d) is outside the image area (Ysiz=%d).\n",
9402 p_start_y, l_image->y1);
9403 return OPJ_FALSE;
9404 } else if ((OPJ_UINT32)p_start_y < l_image->y0) {
9405 opj_event_msg(p_manager, EVT_WARNING,
9406 "Up position of the decoded area (region_y0=%d) is outside the image area (YOsiz=%d).\n",
9407 p_start_y, l_image->y0);
9408 p_j2k->m_specific_param.m_decoder.m_start_tile_y = 0;
9409 p_image->y0 = l_image->y0;
9410 } else {
9411 p_j2k->m_specific_param.m_decoder.m_start_tile_y = ((OPJ_UINT32)p_start_y -
9412 l_cp->ty0) / l_cp->tdy;
9413 p_image->y0 = (OPJ_UINT32)p_start_y;
9414 }
9415
9416 /* Right */
9417 if (p_end_x <= 0) {
9418 opj_event_msg(p_manager, EVT_ERROR,
9419 "Right position of the decoded area (region_x1=%d) should be > 0.\n",
9420 p_end_x);
9421 return OPJ_FALSE;
9422 } else if ((OPJ_UINT32)p_end_x < l_image->x0) {
9423 opj_event_msg(p_manager, EVT_ERROR,
9424 "Right position of the decoded area (region_x1=%d) is outside the image area (XOsiz=%d).\n",
9425 p_end_x, l_image->x0);
9426 return OPJ_FALSE;
9427 } else if ((OPJ_UINT32)p_end_x > l_image->x1) {
9428 opj_event_msg(p_manager, EVT_WARNING,
9429 "Right position of the decoded area (region_x1=%d) is outside the image area (Xsiz=%d).\n",
9430 p_end_x, l_image->x1);
9431 p_j2k->m_specific_param.m_decoder.m_end_tile_x = l_cp->tw;
9432 p_image->x1 = l_image->x1;
9433 } else {
9434 p_j2k->m_specific_param.m_decoder.m_end_tile_x = (OPJ_UINT32)opj_int_ceildiv(
9435 p_end_x - (OPJ_INT32)l_cp->tx0, (OPJ_INT32)l_cp->tdx);
9436 p_image->x1 = (OPJ_UINT32)p_end_x;
9437 }
9438
9439 /* Bottom */
9440 if (p_end_y <= 0) {
9441 opj_event_msg(p_manager, EVT_ERROR,
9442 "Bottom position of the decoded area (region_y1=%d) should be > 0.\n",
9443 p_end_y);
9444 return OPJ_FALSE;
9445 } else if ((OPJ_UINT32)p_end_y < l_image->y0) {
9446 opj_event_msg(p_manager, EVT_ERROR,
9447 "Bottom position of the decoded area (region_y1=%d) is outside the image area (YOsiz=%d).\n",
9448 p_end_y, l_image->y0);
9449 return OPJ_FALSE;
9450 }
9451 if ((OPJ_UINT32)p_end_y > l_image->y1) {
9452 opj_event_msg(p_manager, EVT_WARNING,
9453 "Bottom position of the decoded area (region_y1=%d) is outside the image area (Ysiz=%d).\n",
9454 p_end_y, l_image->y1);
9455 p_j2k->m_specific_param.m_decoder.m_end_tile_y = l_cp->th;
9456 p_image->y1 = l_image->y1;
9457 } else {
9458 p_j2k->m_specific_param.m_decoder.m_end_tile_y = (OPJ_UINT32)opj_int_ceildiv(
9459 p_end_y - (OPJ_INT32)l_cp->ty0, (OPJ_INT32)l_cp->tdy);
9460 p_image->y1 = (OPJ_UINT32)p_end_y;
9461 }
9462 /* ----- */
9463
9464 p_j2k->m_specific_param.m_decoder.m_discard_tiles = 1;
9465
9466 ret = opj_j2k_update_image_dimensions(p_image, p_manager);
9467
9468 if (ret) {
9469 opj_event_msg(p_manager, EVT_INFO, "Setting decoding area to %d,%d,%d,%d\n",
9470 p_image->x0, p_image->y0, p_image->x1, p_image->y1);
9471 }
9472
9473 return ret;
9474}
9475
9476opj_j2k_t* opj_j2k_create_decompress(void)
9477{
9478 opj_j2k_t *l_j2k = (opj_j2k_t*) opj_calloc(1, sizeof(opj_j2k_t));
9479 if (!l_j2k) {
9480 return 00;
9481 }
9482
9483 l_j2k->m_is_decoder = 1;
9484 l_j2k->m_cp.m_is_decoder = 1;
9485 /* in the absence of JP2 boxes, consider different bit depth / sign */
9486 /* per component is allowed */
9487 l_j2k->m_cp.allow_different_bit_depth_sign = 1;
9488
9489#ifdef OPJ_DISABLE_TPSOT_FIX
9490 l_j2k->m_specific_param.m_decoder.m_nb_tile_parts_correction_checked = 1;
9491#endif
9492
9493 l_j2k->m_specific_param.m_decoder.m_default_tcp = (opj_tcp_t*) opj_calloc(1,
9494 sizeof(opj_tcp_t));
9495 if (!l_j2k->m_specific_param.m_decoder.m_default_tcp) {
9496 opj_j2k_destroy(l_j2k);
9497 return 00;
9498 }
9499
9500 l_j2k->m_specific_param.m_decoder.m_header_data = (OPJ_BYTE *) opj_calloc(1,
9501 OPJ_J2K_DEFAULT_HEADER_SIZE);
9502 if (! l_j2k->m_specific_param.m_decoder.m_header_data) {
9503 opj_j2k_destroy(l_j2k);
9504 return 00;
9505 }
9506
9507 l_j2k->m_specific_param.m_decoder.m_header_data_size =
9508 OPJ_J2K_DEFAULT_HEADER_SIZE;
9509
9510 l_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = -1 ;
9511
9512 l_j2k->m_specific_param.m_decoder.m_last_sot_read_pos = 0 ;
9513
9514 /* codestream index creation */
9515 l_j2k->cstr_index = opj_j2k_create_cstr_index();
9516 if (!l_j2k->cstr_index) {
9517 opj_j2k_destroy(l_j2k);
9518 return 00;
9519 }
9520
9521 /* validation list creation */
9522 l_j2k->m_validation_list = opj_procedure_list_create();
9523 if (! l_j2k->m_validation_list) {
9524 opj_j2k_destroy(l_j2k);
9525 return 00;
9526 }
9527
9528 /* execution list creation */
9529 l_j2k->m_procedure_list = opj_procedure_list_create();
9530 if (! l_j2k->m_procedure_list) {
9531 opj_j2k_destroy(l_j2k);
9532 return 00;
9533 }
9534
9535 l_j2k->m_tp = opj_thread_pool_create(opj_j2k_get_default_thread_count());
9536 if (!l_j2k->m_tp) {
9537 l_j2k->m_tp = opj_thread_pool_create(0);
9538 }
9539 if (!l_j2k->m_tp) {
9540 opj_j2k_destroy(l_j2k);
9541 return NULL;
9542 }
9543
9544 return l_j2k;
9545}
9546
9547static opj_codestream_index_t* opj_j2k_create_cstr_index(void)
9548{
9549 opj_codestream_index_t* cstr_index = (opj_codestream_index_t*)
9550 opj_calloc(1, sizeof(opj_codestream_index_t));
9551 if (!cstr_index) {
9552 return NULL;
9553 }
9554
9555 cstr_index->maxmarknum = 100;
9556 cstr_index->marknum = 0;
9557 cstr_index->marker = (opj_marker_info_t*)
9558 opj_calloc(cstr_index->maxmarknum, sizeof(opj_marker_info_t));
9559 if (!cstr_index-> marker) {
9560 opj_free(cstr_index);
9561 return NULL;
9562 }
9563
9564 cstr_index->tile_index = NULL;
9565
9566 return cstr_index;
9567}
9568
9569static OPJ_UINT32 opj_j2k_get_SPCod_SPCoc_size(opj_j2k_t *p_j2k,
9570 OPJ_UINT32 p_tile_no,
9571 OPJ_UINT32 p_comp_no)
9572{
9573 opj_cp_t *l_cp = 00;
9574 opj_tcp_t *l_tcp = 00;
9575 opj_tccp_t *l_tccp = 00;
9576
9577 /* preconditions */
9578 assert(p_j2k != 00);
9579
9580 l_cp = &(p_j2k->m_cp);
9581 l_tcp = &l_cp->tcps[p_tile_no];
9582 l_tccp = &l_tcp->tccps[p_comp_no];
9583
9584 /* preconditions again */
9585 assert(p_tile_no < (l_cp->tw * l_cp->th));
9586 assert(p_comp_no < p_j2k->m_private_image->numcomps);
9587
9588 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
9589 return 5 + l_tccp->numresolutions;
9590 } else {
9591 return 5;
9592 }
9593}
9594
9595static OPJ_BOOL opj_j2k_compare_SPCod_SPCoc(opj_j2k_t *p_j2k,
9596 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
9597{
9598 OPJ_UINT32 i;
9599 opj_cp_t *l_cp = NULL;
9600 opj_tcp_t *l_tcp = NULL;
9601 opj_tccp_t *l_tccp0 = NULL;
9602 opj_tccp_t *l_tccp1 = NULL;
9603
9604 /* preconditions */
9605 assert(p_j2k != 00);
9606
9607 l_cp = &(p_j2k->m_cp);
9608 l_tcp = &l_cp->tcps[p_tile_no];
9609 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
9610 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
9611
9612 if (l_tccp0->numresolutions != l_tccp1->numresolutions) {
9613 return OPJ_FALSE;
9614 }
9615 if (l_tccp0->cblkw != l_tccp1->cblkw) {
9616 return OPJ_FALSE;
9617 }
9618 if (l_tccp0->cblkh != l_tccp1->cblkh) {
9619 return OPJ_FALSE;
9620 }
9621 if (l_tccp0->cblksty != l_tccp1->cblksty) {
9622 return OPJ_FALSE;
9623 }
9624 if (l_tccp0->qmfbid != l_tccp1->qmfbid) {
9625 return OPJ_FALSE;
9626 }
9627 if ((l_tccp0->csty & J2K_CCP_CSTY_PRT) != (l_tccp1->csty & J2K_CCP_CSTY_PRT)) {
9628 return OPJ_FALSE;
9629 }
9630
9631 for (i = 0U; i < l_tccp0->numresolutions; ++i) {
9632 if (l_tccp0->prcw[i] != l_tccp1->prcw[i]) {
9633 return OPJ_FALSE;
9634 }
9635 if (l_tccp0->prch[i] != l_tccp1->prch[i]) {
9636 return OPJ_FALSE;
9637 }
9638 }
9639 return OPJ_TRUE;
9640}
9641
9642static OPJ_BOOL opj_j2k_write_SPCod_SPCoc(opj_j2k_t *p_j2k,
9643 OPJ_UINT32 p_tile_no,
9644 OPJ_UINT32 p_comp_no,
9645 OPJ_BYTE * p_data,
9646 OPJ_UINT32 * p_header_size,
9647 struct opj_event_mgr * p_manager)
9648{
9649 OPJ_UINT32 i;
9650 opj_cp_t *l_cp = 00;
9651 opj_tcp_t *l_tcp = 00;
9652 opj_tccp_t *l_tccp = 00;
9653
9654 /* preconditions */
9655 assert(p_j2k != 00);
9656 assert(p_header_size != 00);
9657 assert(p_manager != 00);
9658 assert(p_data != 00);
9659
9660 l_cp = &(p_j2k->m_cp);
9661 l_tcp = &l_cp->tcps[p_tile_no];
9662 l_tccp = &l_tcp->tccps[p_comp_no];
9663
9664 /* preconditions again */
9665 assert(p_tile_no < (l_cp->tw * l_cp->th));
9666 assert(p_comp_no < (p_j2k->m_private_image->numcomps));
9667
9668 if (*p_header_size < 5) {
9669 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
9670 return OPJ_FALSE;
9671 }
9672
9673 opj_write_bytes(p_data, l_tccp->numresolutions - 1, 1); /* SPcoc (D) */
9674 ++p_data;
9675
9676 opj_write_bytes(p_data, l_tccp->cblkw - 2, 1); /* SPcoc (E) */
9677 ++p_data;
9678
9679 opj_write_bytes(p_data, l_tccp->cblkh - 2, 1); /* SPcoc (F) */
9680 ++p_data;
9681
9682 opj_write_bytes(p_data, l_tccp->cblksty,
9683 1); /* SPcoc (G) */
9684 ++p_data;
9685
9686 opj_write_bytes(p_data, l_tccp->qmfbid,
9687 1); /* SPcoc (H) */
9688 ++p_data;
9689
9690 *p_header_size = *p_header_size - 5;
9691
9692 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
9693
9694 if (*p_header_size < l_tccp->numresolutions) {
9695 opj_event_msg(p_manager, EVT_ERROR, "Error writing SPCod SPCoc element\n");
9696 return OPJ_FALSE;
9697 }
9698
9699 for (i = 0; i < l_tccp->numresolutions; ++i) {
9700 opj_write_bytes(p_data, l_tccp->prcw[i] + (l_tccp->prch[i] << 4),
9701 1); /* SPcoc (I_i) */
9702 ++p_data;
9703 }
9704
9705 *p_header_size = *p_header_size - l_tccp->numresolutions;
9706 }
9707
9708 return OPJ_TRUE;
9709}
9710
9711static OPJ_BOOL opj_j2k_read_SPCod_SPCoc(opj_j2k_t *p_j2k,
9712 OPJ_UINT32 compno,
9713 OPJ_BYTE * p_header_data,
9714 OPJ_UINT32 * p_header_size,
9715 opj_event_mgr_t * p_manager)
9716{
9717 OPJ_UINT32 i, l_tmp;
9718 opj_cp_t *l_cp = NULL;
9719 opj_tcp_t *l_tcp = NULL;
9720 opj_tccp_t *l_tccp = NULL;
9721 OPJ_BYTE * l_current_ptr = NULL;
9722
9723 /* preconditions */
9724 assert(p_j2k != 00);
9725 assert(p_manager != 00);
9726 assert(p_header_data != 00);
9727
9728 l_cp = &(p_j2k->m_cp);
9729 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH) ?
9730 &l_cp->tcps[p_j2k->m_current_tile_number] :
9731 p_j2k->m_specific_param.m_decoder.m_default_tcp;
9732
9733 /* precondition again */
9734 assert(compno < p_j2k->m_private_image->numcomps);
9735
9736 l_tccp = &l_tcp->tccps[compno];
9737 l_current_ptr = p_header_data;
9738
9739 /* make sure room is sufficient */
9740 if (*p_header_size < 5) {
9741 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
9742 return OPJ_FALSE;
9743 }
9744
9745 opj_read_bytes(l_current_ptr, &l_tccp->numresolutions,
9746 1); /* SPcox (D) */
9747 ++l_tccp->numresolutions; /* tccp->numresolutions = read() + 1 */
9748 if (l_tccp->numresolutions > OPJ_J2K_MAXRLVLS) {
9749 opj_event_msg(p_manager, EVT_ERROR,
9750 "Invalid value for numresolutions : %d, max value is set in openjpeg.h at %d\n",
9751 l_tccp->numresolutions, OPJ_J2K_MAXRLVLS);
9752 return OPJ_FALSE;
9753 }
9754 ++l_current_ptr;
9755
9756 /* If user wants to remove more resolutions than the codestream contains, return error */
9757 if (l_cp->m_specific_param.m_dec.m_reduce >= l_tccp->numresolutions) {
9758 opj_event_msg(p_manager, EVT_ERROR,
9759 "Error decoding component %d.\nThe number of resolutions "
9760 "to remove (%d) is greater or equal than the number "
9761 "of resolutions of this component (%d)\nModify the cp_reduce parameter.\n\n",
9762 compno, l_cp->m_specific_param.m_dec.m_reduce, l_tccp->numresolutions);
9763 p_j2k->m_specific_param.m_decoder.m_state |=
9764 0x8000;/* FIXME J2K_DEC_STATE_ERR;*/
9765 return OPJ_FALSE;
9766 }
9767
9768 opj_read_bytes(l_current_ptr, &l_tccp->cblkw, 1); /* SPcoc (E) */
9769 ++l_current_ptr;
9770 l_tccp->cblkw += 2;
9771
9772 opj_read_bytes(l_current_ptr, &l_tccp->cblkh, 1); /* SPcoc (F) */
9773 ++l_current_ptr;
9774 l_tccp->cblkh += 2;
9775
9776 if ((l_tccp->cblkw > 10) || (l_tccp->cblkh > 10) ||
9777 ((l_tccp->cblkw + l_tccp->cblkh) > 12)) {
9778 opj_event_msg(p_manager, EVT_ERROR,
9779 "Error reading SPCod SPCoc element, Invalid cblkw/cblkh combination\n");
9780 return OPJ_FALSE;
9781 }
9782
9783
9784 opj_read_bytes(l_current_ptr, &l_tccp->cblksty, 1); /* SPcoc (G) */
9785 ++l_current_ptr;
9786 if (l_tccp->cblksty & 0xC0U) { /* 2 msb are reserved, assume we can't read */
9787 opj_event_msg(p_manager, EVT_ERROR,
9788 "Error reading SPCod SPCoc element, Invalid code-block style found\n");
9789 return OPJ_FALSE;
9790 }
9791
9792 opj_read_bytes(l_current_ptr, &l_tccp->qmfbid, 1); /* SPcoc (H) */
9793 ++l_current_ptr;
9794
9795 *p_header_size = *p_header_size - 5;
9796
9797 /* use custom precinct size ? */
9798 if (l_tccp->csty & J2K_CCP_CSTY_PRT) {
9799 if (*p_header_size < l_tccp->numresolutions) {
9800 opj_event_msg(p_manager, EVT_ERROR, "Error reading SPCod SPCoc element\n");
9801 return OPJ_FALSE;
9802 }
9803
9804 for (i = 0; i < l_tccp->numresolutions; ++i) {
9805 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* SPcoc (I_i) */
9806 ++l_current_ptr;
9807 /* Precinct exponent 0 is only allowed for lowest resolution level (Table A.21) */
9808 if ((i != 0) && (((l_tmp & 0xf) == 0) || ((l_tmp >> 4) == 0))) {
9809 opj_event_msg(p_manager, EVT_ERROR, "Invalid precinct size\n");
9810 return OPJ_FALSE;
9811 }
9812 l_tccp->prcw[i] = l_tmp & 0xf;
9813 l_tccp->prch[i] = l_tmp >> 4;
9814 }
9815
9816 *p_header_size = *p_header_size - l_tccp->numresolutions;
9817 } else {
9818 /* set default size for the precinct width and height */
9819 for (i = 0; i < l_tccp->numresolutions; ++i) {
9820 l_tccp->prcw[i] = 15;
9821 l_tccp->prch[i] = 15;
9822 }
9823 }
9824
9825#ifdef WIP_REMOVE_MSD
9826 /* INDEX >> */
9827 if (p_j2k->cstr_info && compno == 0) {
9828 OPJ_UINT32 l_data_size = l_tccp->numresolutions * sizeof(OPJ_UINT32);
9829
9830 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkh =
9831 l_tccp->cblkh;
9832 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblkw =
9833 l_tccp->cblkw;
9834 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].numresolutions
9835 = l_tccp->numresolutions;
9836 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].cblksty =
9837 l_tccp->cblksty;
9838 p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].tccp_info[compno].qmfbid =
9839 l_tccp->qmfbid;
9840
9841 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdx, l_tccp->prcw,
9842 l_data_size);
9843 memcpy(p_j2k->cstr_info->tile[p_j2k->m_current_tile_number].pdy, l_tccp->prch,
9844 l_data_size);
9845 }
9846 /* << INDEX */
9847#endif
9848
9849 return OPJ_TRUE;
9850}
9851
9852static void opj_j2k_copy_tile_component_parameters(opj_j2k_t *p_j2k)
9853{
9854 /* loop */
9855 OPJ_UINT32 i;
9856 opj_cp_t *l_cp = NULL;
9857 opj_tcp_t *l_tcp = NULL;
9858 opj_tccp_t *l_ref_tccp = NULL, *l_copied_tccp = NULL;
9859 OPJ_UINT32 l_prc_size;
9860
9861 /* preconditions */
9862 assert(p_j2k != 00);
9863
9864 l_cp = &(p_j2k->m_cp);
9865 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
9866 ?
9867 &l_cp->tcps[p_j2k->m_current_tile_number] :
9868 p_j2k->m_specific_param.m_decoder.m_default_tcp;
9869
9870 l_ref_tccp = &l_tcp->tccps[0];
9871 l_copied_tccp = l_ref_tccp + 1;
9872 l_prc_size = l_ref_tccp->numresolutions * (OPJ_UINT32)sizeof(OPJ_UINT32);
9873
9874 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
9875 l_copied_tccp->numresolutions = l_ref_tccp->numresolutions;
9876 l_copied_tccp->cblkw = l_ref_tccp->cblkw;
9877 l_copied_tccp->cblkh = l_ref_tccp->cblkh;
9878 l_copied_tccp->cblksty = l_ref_tccp->cblksty;
9879 l_copied_tccp->qmfbid = l_ref_tccp->qmfbid;
9880 memcpy(l_copied_tccp->prcw, l_ref_tccp->prcw, l_prc_size);
9881 memcpy(l_copied_tccp->prch, l_ref_tccp->prch, l_prc_size);
9882 ++l_copied_tccp;
9883 }
9884}
9885
9886static OPJ_UINT32 opj_j2k_get_SQcd_SQcc_size(opj_j2k_t *p_j2k,
9887 OPJ_UINT32 p_tile_no,
9888 OPJ_UINT32 p_comp_no)
9889{
9890 OPJ_UINT32 l_num_bands;
9891
9892 opj_cp_t *l_cp = 00;
9893 opj_tcp_t *l_tcp = 00;
9894 opj_tccp_t *l_tccp = 00;
9895
9896 /* preconditions */
9897 assert(p_j2k != 00);
9898
9899 l_cp = &(p_j2k->m_cp);
9900 l_tcp = &l_cp->tcps[p_tile_no];
9901 l_tccp = &l_tcp->tccps[p_comp_no];
9902
9903 /* preconditions again */
9904 assert(p_tile_no < l_cp->tw * l_cp->th);
9905 assert(p_comp_no < p_j2k->m_private_image->numcomps);
9906
9907 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
9908 (l_tccp->numresolutions * 3 - 2);
9909
9910 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
9911 return 1 + l_num_bands;
9912 } else {
9913 return 1 + 2 * l_num_bands;
9914 }
9915}
9916
9917static OPJ_BOOL opj_j2k_compare_SQcd_SQcc(opj_j2k_t *p_j2k,
9918 OPJ_UINT32 p_tile_no, OPJ_UINT32 p_first_comp_no, OPJ_UINT32 p_second_comp_no)
9919{
9920 opj_cp_t *l_cp = NULL;
9921 opj_tcp_t *l_tcp = NULL;
9922 opj_tccp_t *l_tccp0 = NULL;
9923 opj_tccp_t *l_tccp1 = NULL;
9924 OPJ_UINT32 l_band_no, l_num_bands;
9925
9926 /* preconditions */
9927 assert(p_j2k != 00);
9928
9929 l_cp = &(p_j2k->m_cp);
9930 l_tcp = &l_cp->tcps[p_tile_no];
9931 l_tccp0 = &l_tcp->tccps[p_first_comp_no];
9932 l_tccp1 = &l_tcp->tccps[p_second_comp_no];
9933
9934 if (l_tccp0->qntsty != l_tccp1->qntsty) {
9935 return OPJ_FALSE;
9936 }
9937 if (l_tccp0->numgbits != l_tccp1->numgbits) {
9938 return OPJ_FALSE;
9939 }
9940 if (l_tccp0->qntsty == J2K_CCP_QNTSTY_SIQNT) {
9941 l_num_bands = 1U;
9942 } else {
9943 l_num_bands = l_tccp0->numresolutions * 3U - 2U;
9944 if (l_num_bands != (l_tccp1->numresolutions * 3U - 2U)) {
9945 return OPJ_FALSE;
9946 }
9947 }
9948
9949 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
9950 if (l_tccp0->stepsizes[l_band_no].expn != l_tccp1->stepsizes[l_band_no].expn) {
9951 return OPJ_FALSE;
9952 }
9953 }
9954 if (l_tccp0->qntsty != J2K_CCP_QNTSTY_NOQNT) {
9955 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
9956 if (l_tccp0->stepsizes[l_band_no].mant != l_tccp1->stepsizes[l_band_no].mant) {
9957 return OPJ_FALSE;
9958 }
9959 }
9960 }
9961 return OPJ_TRUE;
9962}
9963
9964
9965static OPJ_BOOL opj_j2k_write_SQcd_SQcc(opj_j2k_t *p_j2k,
9966 OPJ_UINT32 p_tile_no,
9967 OPJ_UINT32 p_comp_no,
9968 OPJ_BYTE * p_data,
9969 OPJ_UINT32 * p_header_size,
9970 struct opj_event_mgr * p_manager)
9971{
9972 OPJ_UINT32 l_header_size;
9973 OPJ_UINT32 l_band_no, l_num_bands;
9974 OPJ_UINT32 l_expn, l_mant;
9975
9976 opj_cp_t *l_cp = 00;
9977 opj_tcp_t *l_tcp = 00;
9978 opj_tccp_t *l_tccp = 00;
9979
9980 /* preconditions */
9981 assert(p_j2k != 00);
9982 assert(p_header_size != 00);
9983 assert(p_manager != 00);
9984 assert(p_data != 00);
9985
9986 l_cp = &(p_j2k->m_cp);
9987 l_tcp = &l_cp->tcps[p_tile_no];
9988 l_tccp = &l_tcp->tccps[p_comp_no];
9989
9990 /* preconditions again */
9991 assert(p_tile_no < l_cp->tw * l_cp->th);
9992 assert(p_comp_no < p_j2k->m_private_image->numcomps);
9993
9994 l_num_bands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
9995 (l_tccp->numresolutions * 3 - 2);
9996
9997 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
9998 l_header_size = 1 + l_num_bands;
9999
10000 if (*p_header_size < l_header_size) {
10001 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
10002 return OPJ_FALSE;
10003 }
10004
10005 opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
10006 1); /* Sqcx */
10007 ++p_data;
10008
10009 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10010 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
10011 opj_write_bytes(p_data, l_expn << 3, 1); /* SPqcx_i */
10012 ++p_data;
10013 }
10014 } else {
10015 l_header_size = 1 + 2 * l_num_bands;
10016
10017 if (*p_header_size < l_header_size) {
10018 opj_event_msg(p_manager, EVT_ERROR, "Error writing SQcd SQcc element\n");
10019 return OPJ_FALSE;
10020 }
10021
10022 opj_write_bytes(p_data, l_tccp->qntsty + (l_tccp->numgbits << 5),
10023 1); /* Sqcx */
10024 ++p_data;
10025
10026 for (l_band_no = 0; l_band_no < l_num_bands; ++l_band_no) {
10027 l_expn = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].expn;
10028 l_mant = (OPJ_UINT32)l_tccp->stepsizes[l_band_no].mant;
10029
10030 opj_write_bytes(p_data, (l_expn << 11) + l_mant, 2); /* SPqcx_i */
10031 p_data += 2;
10032 }
10033 }
10034
10035 *p_header_size = *p_header_size - l_header_size;
10036
10037 return OPJ_TRUE;
10038}
10039
10040static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
10041 OPJ_UINT32 p_comp_no,
10042 OPJ_BYTE* p_header_data,
10043 OPJ_UINT32 * p_header_size,
10044 opj_event_mgr_t * p_manager
10045 )
10046{
10047 /* loop*/
10048 OPJ_UINT32 l_band_no;
10049 opj_cp_t *l_cp = 00;
10050 opj_tcp_t *l_tcp = 00;
10051 opj_tccp_t *l_tccp = 00;
10052 OPJ_BYTE * l_current_ptr = 00;
10053 OPJ_UINT32 l_tmp, l_num_band;
10054
10055 /* preconditions*/
10056 assert(p_j2k != 00);
10057 assert(p_manager != 00);
10058 assert(p_header_data != 00);
10059
10060 l_cp = &(p_j2k->m_cp);
10061 /* come from tile part header or main header ?*/
10062 l_tcp = (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH)
10063 ?
10064 &l_cp->tcps[p_j2k->m_current_tile_number] :
10065 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10066
10067 /* precondition again*/
10068 assert(p_comp_no < p_j2k->m_private_image->numcomps);
10069
10070 l_tccp = &l_tcp->tccps[p_comp_no];
10071 l_current_ptr = p_header_data;
10072
10073 if (*p_header_size < 1) {
10074 opj_event_msg(p_manager, EVT_ERROR, "Error reading SQcd or SQcc element\n");
10075 return OPJ_FALSE;
10076 }
10077 *p_header_size -= 1;
10078
10079 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* Sqcx */
10080 ++l_current_ptr;
10081
10082 l_tccp->qntsty = l_tmp & 0x1f;
10083 l_tccp->numgbits = l_tmp >> 5;
10084 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
10085 l_num_band = 1;
10086 } else {
10087 l_num_band = (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) ?
10088 (*p_header_size) :
10089 (*p_header_size) / 2;
10090
10091 if (l_num_band > OPJ_J2K_MAXBANDS) {
10092 opj_event_msg(p_manager, EVT_WARNING,
10093 "While reading CCP_QNTSTY element inside QCD or QCC marker segment, "
10094 "number of subbands (%d) is greater to OPJ_J2K_MAXBANDS (%d). So we limit the number of elements stored to "
10095 "OPJ_J2K_MAXBANDS (%d) and skip the rest. \n", l_num_band, OPJ_J2K_MAXBANDS,
10096 OPJ_J2K_MAXBANDS);
10097 /*return OPJ_FALSE;*/
10098 }
10099 }
10100
10101#ifdef USE_JPWL
10102 if (l_cp->correct) {
10103
10104 /* if JPWL is on, we check whether there are too many subbands */
10105 if (/*(l_num_band < 0) ||*/ (l_num_band >= OPJ_J2K_MAXBANDS)) {
10106 opj_event_msg(p_manager, JPWL_ASSUME ? EVT_WARNING : EVT_ERROR,
10107 "JPWL: bad number of subbands in Sqcx (%d)\n",
10108 l_num_band);
10109 if (!JPWL_ASSUME) {
10110 opj_event_msg(p_manager, EVT_ERROR, "JPWL: giving up\n");
10111 return OPJ_FALSE;
10112 }
10113 /* we try to correct */
10114 l_num_band = 1;
10115 opj_event_msg(p_manager, EVT_WARNING, "- trying to adjust them\n"
10116 "- setting number of bands to %d => HYPOTHESIS!!!\n",
10117 l_num_band);
10118 };
10119
10120 };
10121#endif /* USE_JPWL */
10122
10123 if (l_tccp->qntsty == J2K_CCP_QNTSTY_NOQNT) {
10124 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
10125 opj_read_bytes(l_current_ptr, &l_tmp, 1); /* SPqcx_i */
10126 ++l_current_ptr;
10127 if (l_band_no < OPJ_J2K_MAXBANDS) {
10128 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 3);
10129 l_tccp->stepsizes[l_band_no].mant = 0;
10130 }
10131 }
10132 *p_header_size = *p_header_size - l_num_band;
10133 } else {
10134 for (l_band_no = 0; l_band_no < l_num_band; l_band_no++) {
10135 opj_read_bytes(l_current_ptr, &l_tmp, 2); /* SPqcx_i */
10136 l_current_ptr += 2;
10137 if (l_band_no < OPJ_J2K_MAXBANDS) {
10138 l_tccp->stepsizes[l_band_no].expn = (OPJ_INT32)(l_tmp >> 11);
10139 l_tccp->stepsizes[l_band_no].mant = l_tmp & 0x7ff;
10140 }
10141 }
10142 *p_header_size = *p_header_size - 2 * l_num_band;
10143 }
10144
10145 /* Add Antonin : if scalar_derived -> compute other stepsizes */
10146 if (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) {
10147 for (l_band_no = 1; l_band_no < OPJ_J2K_MAXBANDS; l_band_no++) {
10148 l_tccp->stepsizes[l_band_no].expn =
10149 ((OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) > 0)
10150 ?
10151 (OPJ_INT32)(l_tccp->stepsizes[0].expn) - (OPJ_INT32)((l_band_no - 1) / 3) : 0;
10152 l_tccp->stepsizes[l_band_no].mant = l_tccp->stepsizes[0].mant;
10153 }
10154 }
10155
10156 return OPJ_TRUE;
10157}
10158
10159static void opj_j2k_copy_tile_quantization_parameters(opj_j2k_t *p_j2k)
10160{
10161 OPJ_UINT32 i;
10162 opj_cp_t *l_cp = NULL;
10163 opj_tcp_t *l_tcp = NULL;
10164 opj_tccp_t *l_ref_tccp = NULL;
10165 opj_tccp_t *l_copied_tccp = NULL;
10166 OPJ_UINT32 l_size;
10167
10168 /* preconditions */
10169 assert(p_j2k != 00);
10170
10171 l_cp = &(p_j2k->m_cp);
10172 l_tcp = p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_TPH ?
10173 &l_cp->tcps[p_j2k->m_current_tile_number] :
10174 p_j2k->m_specific_param.m_decoder.m_default_tcp;
10175
10176 l_ref_tccp = &l_tcp->tccps[0];
10177 l_copied_tccp = l_ref_tccp + 1;
10178 l_size = OPJ_J2K_MAXBANDS * sizeof(opj_stepsize_t);
10179
10180 for (i = 1; i < p_j2k->m_private_image->numcomps; ++i) {
10181 l_copied_tccp->qntsty = l_ref_tccp->qntsty;
10182 l_copied_tccp->numgbits = l_ref_tccp->numgbits;
10183 memcpy(l_copied_tccp->stepsizes, l_ref_tccp->stepsizes, l_size);
10184 ++l_copied_tccp;
10185 }
10186}
10187
10188static void opj_j2k_dump_tile_info(opj_tcp_t * l_default_tile,
10189 OPJ_INT32 numcomps, FILE* out_stream)
10190{
10191 if (l_default_tile) {
10192 OPJ_INT32 compno;
10193
10194 fprintf(out_stream, "\t default tile {\n");
10195 fprintf(out_stream, "\t\t csty=%#x\n", l_default_tile->csty);
10196 fprintf(out_stream, "\t\t prg=%#x\n", l_default_tile->prg);
10197 fprintf(out_stream, "\t\t numlayers=%d\n", l_default_tile->numlayers);
10198 fprintf(out_stream, "\t\t mct=%x\n", l_default_tile->mct);
10199
10200 for (compno = 0; compno < numcomps; compno++) {
10201 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
10202 OPJ_UINT32 resno;
10203 OPJ_INT32 bandno, numbands;
10204
10205 /* coding style*/
10206 fprintf(out_stream, "\t\t comp %d {\n", compno);
10207 fprintf(out_stream, "\t\t\t csty=%#x\n", l_tccp->csty);
10208 fprintf(out_stream, "\t\t\t numresolutions=%d\n", l_tccp->numresolutions);
10209 fprintf(out_stream, "\t\t\t cblkw=2^%d\n", l_tccp->cblkw);
10210 fprintf(out_stream, "\t\t\t cblkh=2^%d\n", l_tccp->cblkh);
10211 fprintf(out_stream, "\t\t\t cblksty=%#x\n", l_tccp->cblksty);
10212 fprintf(out_stream, "\t\t\t qmfbid=%d\n", l_tccp->qmfbid);
10213
10214 fprintf(out_stream, "\t\t\t preccintsize (w,h)=");
10215 for (resno = 0; resno < l_tccp->numresolutions; resno++) {
10216 fprintf(out_stream, "(%d,%d) ", l_tccp->prcw[resno], l_tccp->prch[resno]);
10217 }
10218 fprintf(out_stream, "\n");
10219
10220 /* quantization style*/
10221 fprintf(out_stream, "\t\t\t qntsty=%d\n", l_tccp->qntsty);
10222 fprintf(out_stream, "\t\t\t numgbits=%d\n", l_tccp->numgbits);
10223 fprintf(out_stream, "\t\t\t stepsizes (m,e)=");
10224 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10225 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
10226 for (bandno = 0; bandno < numbands; bandno++) {
10227 fprintf(out_stream, "(%d,%d) ", l_tccp->stepsizes[bandno].mant,
10228 l_tccp->stepsizes[bandno].expn);
10229 }
10230 fprintf(out_stream, "\n");
10231
10232 /* RGN value*/
10233 fprintf(out_stream, "\t\t\t roishift=%d\n", l_tccp->roishift);
10234
10235 fprintf(out_stream, "\t\t }\n");
10236 } /*end of component of default tile*/
10237 fprintf(out_stream, "\t }\n"); /*end of default tile*/
10238 }
10239}
10240
10241void j2k_dump(opj_j2k_t* p_j2k, OPJ_INT32 flag, FILE* out_stream)
10242{
10243 /* Check if the flag is compatible with j2k file*/
10244 if ((flag & OPJ_JP2_INFO) || (flag & OPJ_JP2_IND)) {
10245 fprintf(out_stream, "Wrong flag\n");
10246 return;
10247 }
10248
10249 /* Dump the image_header */
10250 if (flag & OPJ_IMG_INFO) {
10251 if (p_j2k->m_private_image) {
10252 j2k_dump_image_header(p_j2k->m_private_image, 0, out_stream);
10253 }
10254 }
10255
10256 /* Dump the codestream info from main header */
10257 if (flag & OPJ_J2K_MH_INFO) {
10258 if (p_j2k->m_private_image) {
10259 opj_j2k_dump_MH_info(p_j2k, out_stream);
10260 }
10261 }
10262 /* Dump all tile/codestream info */
10263 if (flag & OPJ_J2K_TCH_INFO) {
10264 OPJ_UINT32 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
10265 OPJ_UINT32 i;
10266 opj_tcp_t * l_tcp = p_j2k->m_cp.tcps;
10267 if (p_j2k->m_private_image) {
10268 for (i = 0; i < l_nb_tiles; ++i) {
10269 opj_j2k_dump_tile_info(l_tcp, (OPJ_INT32)p_j2k->m_private_image->numcomps,
10270 out_stream);
10271 ++l_tcp;
10272 }
10273 }
10274 }
10275
10276 /* Dump the codestream info of the current tile */
10277 if (flag & OPJ_J2K_TH_INFO) {
10278
10279 }
10280
10281 /* Dump the codestream index from main header */
10282 if (flag & OPJ_J2K_MH_IND) {
10283 opj_j2k_dump_MH_index(p_j2k, out_stream);
10284 }
10285
10286 /* Dump the codestream index of the current tile */
10287 if (flag & OPJ_J2K_TH_IND) {
10288
10289 }
10290
10291}
10292
10293static void opj_j2k_dump_MH_index(opj_j2k_t* p_j2k, FILE* out_stream)
10294{
10295 opj_codestream_index_t* cstr_index = p_j2k->cstr_index;
10296 OPJ_UINT32 it_marker, it_tile, it_tile_part;
10297
10298 fprintf(out_stream, "Codestream index from main header: {\n");
10299
10300 fprintf(out_stream, "\t Main header start position=%" PRIi64 "\n"
10301 "\t Main header end position=%" PRIi64 "\n",
10302 cstr_index->main_head_start, cstr_index->main_head_end);
10303
10304 fprintf(out_stream, "\t Marker list: {\n");
10305
10306 if (cstr_index->marker) {
10307 for (it_marker = 0; it_marker < cstr_index->marknum ; it_marker++) {
10308 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
10309 cstr_index->marker[it_marker].type,
10310 cstr_index->marker[it_marker].pos,
10311 cstr_index->marker[it_marker].len);
10312 }
10313 }
10314
10315 fprintf(out_stream, "\t }\n");
10316
10317 if (cstr_index->tile_index) {
10318
10319 /* Simple test to avoid to write empty information*/
10320 OPJ_UINT32 l_acc_nb_of_tile_part = 0;
10321 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
10322 l_acc_nb_of_tile_part += cstr_index->tile_index[it_tile].nb_tps;
10323 }
10324
10325 if (l_acc_nb_of_tile_part) {
10326 fprintf(out_stream, "\t Tile index: {\n");
10327
10328 for (it_tile = 0; it_tile < cstr_index->nb_of_tiles ; it_tile++) {
10329 OPJ_UINT32 nb_of_tile_part = cstr_index->tile_index[it_tile].nb_tps;
10330
10331 fprintf(out_stream, "\t\t nb of tile-part in tile [%d]=%d\n", it_tile,
10332 nb_of_tile_part);
10333
10334 if (cstr_index->tile_index[it_tile].tp_index) {
10335 for (it_tile_part = 0; it_tile_part < nb_of_tile_part; it_tile_part++) {
10336 fprintf(out_stream, "\t\t\t tile-part[%d]: star_pos=%" PRIi64 ", end_header=%"
10337 PRIi64 ", end_pos=%" PRIi64 ".\n",
10338 it_tile_part,
10339 cstr_index->tile_index[it_tile].tp_index[it_tile_part].start_pos,
10340 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_header,
10341 cstr_index->tile_index[it_tile].tp_index[it_tile_part].end_pos);
10342 }
10343 }
10344
10345 if (cstr_index->tile_index[it_tile].marker) {
10346 for (it_marker = 0; it_marker < cstr_index->tile_index[it_tile].marknum ;
10347 it_marker++) {
10348 fprintf(out_stream, "\t\t type=%#x, pos=%" PRIi64 ", len=%d\n",
10349 cstr_index->tile_index[it_tile].marker[it_marker].type,
10350 cstr_index->tile_index[it_tile].marker[it_marker].pos,
10351 cstr_index->tile_index[it_tile].marker[it_marker].len);
10352 }
10353 }
10354 }
10355 fprintf(out_stream, "\t }\n");
10356 }
10357 }
10358
10359 fprintf(out_stream, "}\n");
10360
10361}
10362
10363
10364static void opj_j2k_dump_MH_info(opj_j2k_t* p_j2k, FILE* out_stream)
10365{
10366
10367 fprintf(out_stream, "Codestream info from main header: {\n");
10368
10369 fprintf(out_stream, "\t tx0=%d, ty0=%d\n", p_j2k->m_cp.tx0, p_j2k->m_cp.ty0);
10370 fprintf(out_stream, "\t tdx=%d, tdy=%d\n", p_j2k->m_cp.tdx, p_j2k->m_cp.tdy);
10371 fprintf(out_stream, "\t tw=%d, th=%d\n", p_j2k->m_cp.tw, p_j2k->m_cp.th);
10372 opj_j2k_dump_tile_info(p_j2k->m_specific_param.m_decoder.m_default_tcp,
10373 (OPJ_INT32)p_j2k->m_private_image->numcomps, out_stream);
10374 fprintf(out_stream, "}\n");
10375}
10376
10377void j2k_dump_image_header(opj_image_t* img_header, OPJ_BOOL dev_dump_flag,
10378 FILE* out_stream)
10379{
10380 char tab[2];
10381
10382 if (dev_dump_flag) {
10383 fprintf(stdout, "[DEV] Dump an image_header struct {\n");
10384 tab[0] = '\0';
10385 } else {
10386 fprintf(out_stream, "Image info {\n");
10387 tab[0] = '\t';
10388 tab[1] = '\0';
10389 }
10390
10391 fprintf(out_stream, "%s x0=%d, y0=%d\n", tab, img_header->x0, img_header->y0);
10392 fprintf(out_stream, "%s x1=%d, y1=%d\n", tab, img_header->x1,
10393 img_header->y1);
10394 fprintf(out_stream, "%s numcomps=%d\n", tab, img_header->numcomps);
10395
10396 if (img_header->comps) {
10397 OPJ_UINT32 compno;
10398 for (compno = 0; compno < img_header->numcomps; compno++) {
10399 fprintf(out_stream, "%s\t component %d {\n", tab, compno);
10400 j2k_dump_image_comp_header(&(img_header->comps[compno]), dev_dump_flag,
10401 out_stream);
10402 fprintf(out_stream, "%s}\n", tab);
10403 }
10404 }
10405
10406 fprintf(out_stream, "}\n");
10407}
10408
10409void j2k_dump_image_comp_header(opj_image_comp_t* comp_header,
10410 OPJ_BOOL dev_dump_flag, FILE* out_stream)
10411{
10412 char tab[3];
10413
10414 if (dev_dump_flag) {
10415 fprintf(stdout, "[DEV] Dump an image_comp_header struct {\n");
10416 tab[0] = '\0';
10417 } else {
10418 tab[0] = '\t';
10419 tab[1] = '\t';
10420 tab[2] = '\0';
10421 }
10422
10423 fprintf(out_stream, "%s dx=%d, dy=%d\n", tab, comp_header->dx, comp_header->dy);
10424 fprintf(out_stream, "%s prec=%d\n", tab, comp_header->prec);
10425 fprintf(out_stream, "%s sgnd=%d\n", tab, comp_header->sgnd);
10426
10427 if (dev_dump_flag) {
10428 fprintf(out_stream, "}\n");
10429 }
10430}
10431
10432opj_codestream_info_v2_t* j2k_get_cstr_info(opj_j2k_t* p_j2k)
10433{
10434 OPJ_UINT32 compno;
10435 OPJ_UINT32 numcomps = p_j2k->m_private_image->numcomps;
10436 opj_tcp_t *l_default_tile;
10437 opj_codestream_info_v2_t* cstr_info = (opj_codestream_info_v2_t*) opj_calloc(1,
10438 sizeof(opj_codestream_info_v2_t));
10439 if (!cstr_info) {
10440 return NULL;
10441 }
10442
10443 cstr_info->nbcomps = p_j2k->m_private_image->numcomps;
10444
10445 cstr_info->tx0 = p_j2k->m_cp.tx0;
10446 cstr_info->ty0 = p_j2k->m_cp.ty0;
10447 cstr_info->tdx = p_j2k->m_cp.tdx;
10448 cstr_info->tdy = p_j2k->m_cp.tdy;
10449 cstr_info->tw = p_j2k->m_cp.tw;
10450 cstr_info->th = p_j2k->m_cp.th;
10451
10452 cstr_info->tile_info = NULL; /* Not fill from the main header*/
10453
10454 l_default_tile = p_j2k->m_specific_param.m_decoder.m_default_tcp;
10455
10456 cstr_info->m_default_tile_info.csty = l_default_tile->csty;
10457 cstr_info->m_default_tile_info.prg = l_default_tile->prg;
10458 cstr_info->m_default_tile_info.numlayers = l_default_tile->numlayers;
10459 cstr_info->m_default_tile_info.mct = l_default_tile->mct;
10460
10461 cstr_info->m_default_tile_info.tccp_info = (opj_tccp_info_t*) opj_calloc(
10462 cstr_info->nbcomps, sizeof(opj_tccp_info_t));
10463 if (!cstr_info->m_default_tile_info.tccp_info) {
10464 opj_destroy_cstr_info(&cstr_info);
10465 return NULL;
10466 }
10467
10468 for (compno = 0; compno < numcomps; compno++) {
10469 opj_tccp_t *l_tccp = &(l_default_tile->tccps[compno]);
10470 opj_tccp_info_t *l_tccp_info = &
10471 (cstr_info->m_default_tile_info.tccp_info[compno]);
10472 OPJ_INT32 bandno, numbands;
10473
10474 /* coding style*/
10475 l_tccp_info->csty = l_tccp->csty;
10476 l_tccp_info->numresolutions = l_tccp->numresolutions;
10477 l_tccp_info->cblkw = l_tccp->cblkw;
10478 l_tccp_info->cblkh = l_tccp->cblkh;
10479 l_tccp_info->cblksty = l_tccp->cblksty;
10480 l_tccp_info->qmfbid = l_tccp->qmfbid;
10481 if (l_tccp->numresolutions < OPJ_J2K_MAXRLVLS) {
10482 memcpy(l_tccp_info->prch, l_tccp->prch, l_tccp->numresolutions);
10483 memcpy(l_tccp_info->prcw, l_tccp->prcw, l_tccp->numresolutions);
10484 }
10485
10486 /* quantization style*/
10487 l_tccp_info->qntsty = l_tccp->qntsty;
10488 l_tccp_info->numgbits = l_tccp->numgbits;
10489
10490 numbands = (l_tccp->qntsty == J2K_CCP_QNTSTY_SIQNT) ? 1 :
10491 (OPJ_INT32)l_tccp->numresolutions * 3 - 2;
10492 if (numbands < OPJ_J2K_MAXBANDS) {
10493 for (bandno = 0; bandno < numbands; bandno++) {
10494 l_tccp_info->stepsizes_mant[bandno] = (OPJ_UINT32)
10495 l_tccp->stepsizes[bandno].mant;
10496 l_tccp_info->stepsizes_expn[bandno] = (OPJ_UINT32)
10497 l_tccp->stepsizes[bandno].expn;
10498 }
10499 }
10500
10501 /* RGN value*/
10502 l_tccp_info->roishift = l_tccp->roishift;
10503 }
10504
10505 return cstr_info;
10506}
10507
10508opj_codestream_index_t* j2k_get_cstr_index(opj_j2k_t* p_j2k)
10509{
10510 opj_codestream_index_t* l_cstr_index = (opj_codestream_index_t*)
10511 opj_calloc(1, sizeof(opj_codestream_index_t));
10512 if (!l_cstr_index) {
10513 return NULL;
10514 }
10515
10516 l_cstr_index->main_head_start = p_j2k->cstr_index->main_head_start;
10517 l_cstr_index->main_head_end = p_j2k->cstr_index->main_head_end;
10518 l_cstr_index->codestream_size = p_j2k->cstr_index->codestream_size;
10519
10520 l_cstr_index->marknum = p_j2k->cstr_index->marknum;
10521 l_cstr_index->marker = (opj_marker_info_t*)opj_malloc(l_cstr_index->marknum *
10522 sizeof(opj_marker_info_t));
10523 if (!l_cstr_index->marker) {
10524 opj_free(l_cstr_index);
10525 return NULL;
10526 }
10527
10528 if (p_j2k->cstr_index->marker) {
10529 memcpy(l_cstr_index->marker, p_j2k->cstr_index->marker,
10530 l_cstr_index->marknum * sizeof(opj_marker_info_t));
10531 } else {
10532 opj_free(l_cstr_index->marker);
10533 l_cstr_index->marker = NULL;
10534 }
10535
10536 l_cstr_index->nb_of_tiles = p_j2k->cstr_index->nb_of_tiles;
10537 l_cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
10538 l_cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
10539 if (!l_cstr_index->tile_index) {
10540 opj_free(l_cstr_index->marker);
10541 opj_free(l_cstr_index);
10542 return NULL;
10543 }
10544
10545 if (!p_j2k->cstr_index->tile_index) {
10546 opj_free(l_cstr_index->tile_index);
10547 l_cstr_index->tile_index = NULL;
10548 } else {
10549 OPJ_UINT32 it_tile = 0;
10550 for (it_tile = 0; it_tile < l_cstr_index->nb_of_tiles; it_tile++) {
10551
10552 /* Tile Marker*/
10553 l_cstr_index->tile_index[it_tile].marknum =
10554 p_j2k->cstr_index->tile_index[it_tile].marknum;
10555
10556 l_cstr_index->tile_index[it_tile].marker =
10557 (opj_marker_info_t*)opj_malloc(l_cstr_index->tile_index[it_tile].marknum *
10558 sizeof(opj_marker_info_t));
10559
10560 if (!l_cstr_index->tile_index[it_tile].marker) {
10561 OPJ_UINT32 it_tile_free;
10562
10563 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
10564 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
10565 }
10566
10567 opj_free(l_cstr_index->tile_index);
10568 opj_free(l_cstr_index->marker);
10569 opj_free(l_cstr_index);
10570 return NULL;
10571 }
10572
10573 if (p_j2k->cstr_index->tile_index[it_tile].marker)
10574 memcpy(l_cstr_index->tile_index[it_tile].marker,
10575 p_j2k->cstr_index->tile_index[it_tile].marker,
10576 l_cstr_index->tile_index[it_tile].marknum * sizeof(opj_marker_info_t));
10577 else {
10578 opj_free(l_cstr_index->tile_index[it_tile].marker);
10579 l_cstr_index->tile_index[it_tile].marker = NULL;
10580 }
10581
10582 /* Tile part index*/
10583 l_cstr_index->tile_index[it_tile].nb_tps =
10584 p_j2k->cstr_index->tile_index[it_tile].nb_tps;
10585
10586 l_cstr_index->tile_index[it_tile].tp_index =
10587 (opj_tp_index_t*)opj_malloc(l_cstr_index->tile_index[it_tile].nb_tps * sizeof(
10588 opj_tp_index_t));
10589
10590 if (!l_cstr_index->tile_index[it_tile].tp_index) {
10591 OPJ_UINT32 it_tile_free;
10592
10593 for (it_tile_free = 0; it_tile_free < it_tile; it_tile_free++) {
10594 opj_free(l_cstr_index->tile_index[it_tile_free].marker);
10595 opj_free(l_cstr_index->tile_index[it_tile_free].tp_index);
10596 }
10597
10598 opj_free(l_cstr_index->tile_index);
10599 opj_free(l_cstr_index->marker);
10600 opj_free(l_cstr_index);
10601 return NULL;
10602 }
10603
10604 if (p_j2k->cstr_index->tile_index[it_tile].tp_index) {
10605 memcpy(l_cstr_index->tile_index[it_tile].tp_index,
10606 p_j2k->cstr_index->tile_index[it_tile].tp_index,
10607 l_cstr_index->tile_index[it_tile].nb_tps * sizeof(opj_tp_index_t));
10608 } else {
10609 opj_free(l_cstr_index->tile_index[it_tile].tp_index);
10610 l_cstr_index->tile_index[it_tile].tp_index = NULL;
10611 }
10612
10613 /* Packet index (NOT USED)*/
10614 l_cstr_index->tile_index[it_tile].nb_packet = 0;
10615 l_cstr_index->tile_index[it_tile].packet_index = NULL;
10616
10617 }
10618 }
10619
10620 return l_cstr_index;
10621}
10622
10623static OPJ_BOOL opj_j2k_allocate_tile_element_cstr_index(opj_j2k_t *p_j2k)
10624{
10625 OPJ_UINT32 it_tile = 0;
10626
10627 p_j2k->cstr_index->nb_of_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
10628 p_j2k->cstr_index->tile_index = (opj_tile_index_t*)opj_calloc(
10629 p_j2k->cstr_index->nb_of_tiles, sizeof(opj_tile_index_t));
10630 if (!p_j2k->cstr_index->tile_index) {
10631 return OPJ_FALSE;
10632 }
10633
10634 for (it_tile = 0; it_tile < p_j2k->cstr_index->nb_of_tiles; it_tile++) {
10635 p_j2k->cstr_index->tile_index[it_tile].maxmarknum = 100;
10636 p_j2k->cstr_index->tile_index[it_tile].marknum = 0;
10637 p_j2k->cstr_index->tile_index[it_tile].marker = (opj_marker_info_t*)
10638 opj_calloc(p_j2k->cstr_index->tile_index[it_tile].maxmarknum,
10639 sizeof(opj_marker_info_t));
10640 if (!p_j2k->cstr_index->tile_index[it_tile].marker) {
10641 return OPJ_FALSE;
10642 }
10643 }
10644
10645 return OPJ_TRUE;
10646}
10647
10648static OPJ_BOOL opj_j2k_decode_tiles(opj_j2k_t *p_j2k,
10649 opj_stream_private_t *p_stream,
10650 opj_event_mgr_t * p_manager)
10651{
10652 OPJ_BOOL l_go_on = OPJ_TRUE;
10653 OPJ_UINT32 l_current_tile_no;
10654 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
10655 OPJ_UINT32 l_nb_comps;
10656 OPJ_UINT32 nr_tiles = 0;
10657
10658 /* Particular case for whole single tile decoding */
10659 /* We can avoid allocating intermediate tile buffers */
10660 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10661 p_j2k->m_cp.tx0 == 0 && p_j2k->m_cp.ty0 == 0 &&
10662 p_j2k->m_output_image->x0 == 0 &&
10663 p_j2k->m_output_image->y0 == 0 &&
10664 p_j2k->m_output_image->x1 == p_j2k->m_cp.tdx &&
10665 p_j2k->m_output_image->y1 == p_j2k->m_cp.tdy) {
10666 OPJ_UINT32 i;
10667 if (! opj_j2k_read_tile_header(p_j2k,
10668 &l_current_tile_no,
10669 NULL,
10670 &l_tile_x0, &l_tile_y0,
10671 &l_tile_x1, &l_tile_y1,
10672 &l_nb_comps,
10673 &l_go_on,
10674 p_stream,
10675 p_manager)) {
10676 return OPJ_FALSE;
10677 }
10678
10679 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
10680 p_stream, p_manager)) {
10681 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile 1/1\n");
10682 return OPJ_FALSE;
10683 }
10684
10685 /* Transfer TCD data to output image data */
10686 for (i = 0; i < p_j2k->m_output_image->numcomps; i++) {
10687 opj_image_data_free(p_j2k->m_output_image->comps[i].data);
10688 p_j2k->m_output_image->comps[i].data =
10689 p_j2k->m_tcd->tcd_image->tiles->comps[i].data;
10690 p_j2k->m_output_image->comps[i].resno_decoded =
10691 p_j2k->m_tcd->image->comps[i].resno_decoded;
10692 p_j2k->m_tcd->tcd_image->tiles->comps[i].data = NULL;
10693 }
10694
10695 return OPJ_TRUE;
10696 }
10697
10698 for (;;) {
10699 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10700 p_j2k->m_cp.tcps[0].m_data != NULL) {
10701 l_current_tile_no = 0;
10702 p_j2k->m_current_tile_number = 0;
10703 p_j2k->m_specific_param.m_decoder.m_state |= J2K_STATE_DATA;
10704 } else {
10705 if (! opj_j2k_read_tile_header(p_j2k,
10706 &l_current_tile_no,
10707 NULL,
10708 &l_tile_x0, &l_tile_y0,
10709 &l_tile_x1, &l_tile_y1,
10710 &l_nb_comps,
10711 &l_go_on,
10712 p_stream,
10713 p_manager)) {
10714 return OPJ_FALSE;
10715 }
10716
10717 if (! l_go_on) {
10718 break;
10719 }
10720 }
10721
10722 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
10723 p_stream, p_manager)) {
10724 opj_event_msg(p_manager, EVT_ERROR, "Failed to decode tile %d/%d\n",
10725 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
10726 return OPJ_FALSE;
10727 }
10728
10729 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
10730 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
10731
10732 if (! opj_j2k_update_image_data(p_j2k->m_tcd,
10733 p_j2k->m_output_image)) {
10734 return OPJ_FALSE;
10735 }
10736
10737 if (p_j2k->m_cp.tw == 1 && p_j2k->m_cp.th == 1 &&
10738 !(p_j2k->m_output_image->x0 == p_j2k->m_private_image->x0 &&
10739 p_j2k->m_output_image->y0 == p_j2k->m_private_image->y0 &&
10740 p_j2k->m_output_image->x1 == p_j2k->m_private_image->x1 &&
10741 p_j2k->m_output_image->y1 == p_j2k->m_private_image->y1)) {
10742 /* Keep current tcp data */
10743 } else {
10744 opj_j2k_tcp_data_destroy(&p_j2k->m_cp.tcps[l_current_tile_no]);
10745 }
10746
10747 opj_event_msg(p_manager, EVT_INFO,
10748 "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
10749
10750 if (opj_stream_get_number_byte_left(p_stream) == 0
10751 && p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_NEOC) {
10752 break;
10753 }
10754 if (++nr_tiles == p_j2k->m_cp.th * p_j2k->m_cp.tw) {
10755 break;
10756 }
10757 }
10758
10759 return OPJ_TRUE;
10760}
10761
10762/**
10763 * Sets up the procedures to do on decoding data. Developpers wanting to extend the library can add their own reading procedures.
10764 */
10765static OPJ_BOOL opj_j2k_setup_decoding(opj_j2k_t *p_j2k,
10766 opj_event_mgr_t * p_manager)
10767{
10768 /* preconditions*/
10769 assert(p_j2k != 00);
10770 assert(p_manager != 00);
10771
10772 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
10773 (opj_procedure)opj_j2k_decode_tiles, p_manager)) {
10774 return OPJ_FALSE;
10775 }
10776 /* DEVELOPER CORNER, add your custom procedures */
10777
10778 return OPJ_TRUE;
10779}
10780
10781/*
10782 * Read and decode one tile.
10783 */
10784static OPJ_BOOL opj_j2k_decode_one_tile(opj_j2k_t *p_j2k,
10785 opj_stream_private_t *p_stream,
10786 opj_event_mgr_t * p_manager)
10787{
10788 OPJ_BOOL l_go_on = OPJ_TRUE;
10789 OPJ_UINT32 l_current_tile_no;
10790 OPJ_UINT32 l_tile_no_to_dec;
10791 OPJ_INT32 l_tile_x0, l_tile_y0, l_tile_x1, l_tile_y1;
10792 OPJ_UINT32 l_nb_comps;
10793 OPJ_UINT32 l_nb_tiles;
10794 OPJ_UINT32 i;
10795
10796 /*Allocate and initialize some elements of codestrem index if not already done*/
10797 if (!p_j2k->cstr_index->tile_index) {
10798 if (!opj_j2k_allocate_tile_element_cstr_index(p_j2k)) {
10799 return OPJ_FALSE;
10800 }
10801 }
10802 /* Move into the codestream to the first SOT used to decode the desired tile */
10803 l_tile_no_to_dec = (OPJ_UINT32)
10804 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec;
10805 if (p_j2k->cstr_index->tile_index)
10806 if (p_j2k->cstr_index->tile_index->tp_index) {
10807 if (! p_j2k->cstr_index->tile_index[l_tile_no_to_dec].nb_tps) {
10808 /* the index for this tile has not been built,
10809 * so move to the last SOT read */
10810 if (!(opj_stream_read_seek(p_stream,
10811 p_j2k->m_specific_param.m_decoder.m_last_sot_read_pos + 2, p_manager))) {
10812 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
10813 return OPJ_FALSE;
10814 }
10815 } else {
10816 if (!(opj_stream_read_seek(p_stream,
10817 p_j2k->cstr_index->tile_index[l_tile_no_to_dec].tp_index[0].start_pos + 2,
10818 p_manager))) {
10819 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
10820 return OPJ_FALSE;
10821 }
10822 }
10823 /* Special case if we have previously read the EOC marker (if the previous tile getted is the last ) */
10824 if (p_j2k->m_specific_param.m_decoder.m_state == J2K_STATE_EOC) {
10825 p_j2k->m_specific_param.m_decoder.m_state = J2K_STATE_TPHSOT;
10826 }
10827 }
10828
10829 /* Reset current tile part number for all tiles, and not only the one */
10830 /* of interest. */
10831 /* Not completely sure this is always correct but required for */
10832 /* ./build/bin/j2k_random_tile_access ./build/tests/tte1.j2k */
10833 l_nb_tiles = p_j2k->m_cp.tw * p_j2k->m_cp.th;
10834 for (i = 0; i < l_nb_tiles; ++i) {
10835 p_j2k->m_cp.tcps[i].m_current_tile_part_number = -1;
10836 }
10837
10838 for (;;) {
10839 if (! opj_j2k_read_tile_header(p_j2k,
10840 &l_current_tile_no,
10841 NULL,
10842 &l_tile_x0, &l_tile_y0,
10843 &l_tile_x1, &l_tile_y1,
10844 &l_nb_comps,
10845 &l_go_on,
10846 p_stream,
10847 p_manager)) {
10848 return OPJ_FALSE;
10849 }
10850
10851 if (! l_go_on) {
10852 break;
10853 }
10854
10855 if (! opj_j2k_decode_tile(p_j2k, l_current_tile_no, NULL, 0,
10856 p_stream, p_manager)) {
10857 return OPJ_FALSE;
10858 }
10859 opj_event_msg(p_manager, EVT_INFO, "Tile %d/%d has been decoded.\n",
10860 l_current_tile_no + 1, p_j2k->m_cp.th * p_j2k->m_cp.tw);
10861
10862 if (! opj_j2k_update_image_data(p_j2k->m_tcd,
10863 p_j2k->m_output_image)) {
10864 return OPJ_FALSE;
10865 }
10866 opj_j2k_tcp_data_destroy(&p_j2k->m_cp.tcps[l_current_tile_no]);
10867
10868 opj_event_msg(p_manager, EVT_INFO,
10869 "Image data has been updated with tile %d.\n\n", l_current_tile_no + 1);
10870
10871 if (l_current_tile_no == l_tile_no_to_dec) {
10872 /* move into the codestream to the first SOT (FIXME or not move?)*/
10873 if (!(opj_stream_read_seek(p_stream, p_j2k->cstr_index->main_head_end + 2,
10874 p_manager))) {
10875 opj_event_msg(p_manager, EVT_ERROR, "Problem with seek function\n");
10876 return OPJ_FALSE;
10877 }
10878 break;
10879 } else {
10880 opj_event_msg(p_manager, EVT_WARNING,
10881 "Tile read, decoded and updated is not the desired one (%d vs %d).\n",
10882 l_current_tile_no + 1, l_tile_no_to_dec + 1);
10883 }
10884
10885 }
10886
10887 return OPJ_TRUE;
10888}
10889
10890/**
10891 * Sets up the procedures to do on decoding one tile. Developpers wanting to extend the library can add their own reading procedures.
10892 */
10893static OPJ_BOOL opj_j2k_setup_decoding_tile(opj_j2k_t *p_j2k,
10894 opj_event_mgr_t * p_manager)
10895{
10896 /* preconditions*/
10897 assert(p_j2k != 00);
10898 assert(p_manager != 00);
10899
10900 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
10901 (opj_procedure)opj_j2k_decode_one_tile, p_manager)) {
10902 return OPJ_FALSE;
10903 }
10904 /* DEVELOPER CORNER, add your custom procedures */
10905
10906 return OPJ_TRUE;
10907}
10908
10909static OPJ_BOOL opj_j2k_move_data_from_codec_to_output_image(opj_j2k_t * p_j2k,
10910 opj_image_t * p_image)
10911{
10912 OPJ_UINT32 compno;
10913
10914 /* Move data and copy one information from codec to output image*/
10915 if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode > 0) {
10916 opj_image_comp_t* newcomps =
10917 (opj_image_comp_t*) opj_malloc(
10918 p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode *
10919 sizeof(opj_image_comp_t));
10920 if (newcomps == NULL) {
10921 opj_image_destroy(p_j2k->m_private_image);
10922 p_j2k->m_private_image = NULL;
10923 return OPJ_FALSE;
10924 }
10925 for (compno = 0; compno < p_image->numcomps; compno++) {
10926 opj_image_data_free(p_image->comps[compno].data);
10927 p_image->comps[compno].data = NULL;
10928 }
10929 for (compno = 0;
10930 compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
10931 OPJ_UINT32 src_compno =
10932 p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
10933 memcpy(&(newcomps[compno]),
10934 &(p_j2k->m_output_image->comps[src_compno]),
10935 sizeof(opj_image_comp_t));
10936 newcomps[compno].resno_decoded =
10937 p_j2k->m_output_image->comps[src_compno].resno_decoded;
10938 newcomps[compno].data = p_j2k->m_output_image->comps[src_compno].data;
10939 p_j2k->m_output_image->comps[src_compno].data = NULL;
10940 }
10941 for (compno = 0; compno < p_image->numcomps; compno++) {
10942 assert(p_j2k->m_output_image->comps[compno].data == NULL);
10943 opj_image_data_free(p_j2k->m_output_image->comps[compno].data);
10944 p_j2k->m_output_image->comps[compno].data = NULL;
10945 }
10946 p_image->numcomps = p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode;
10947 opj_free(p_image->comps);
10948 p_image->comps = newcomps;
10949 } else {
10950 for (compno = 0; compno < p_image->numcomps; compno++) {
10951 p_image->comps[compno].resno_decoded =
10952 p_j2k->m_output_image->comps[compno].resno_decoded;
10953 opj_image_data_free(p_image->comps[compno].data);
10954 p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
10955#if 0
10956 char fn[256];
10957 sprintf(fn, "/tmp/%d.raw", compno);
10958 FILE *debug = fopen(fn, "wb");
10959 fwrite(p_image->comps[compno].data, sizeof(OPJ_INT32),
10960 p_image->comps[compno].w * p_image->comps[compno].h, debug);
10961 fclose(debug);
10962#endif
10963 p_j2k->m_output_image->comps[compno].data = NULL;
10964 }
10965 }
10966 return OPJ_TRUE;
10967}
10968
10969OPJ_BOOL opj_j2k_decode(opj_j2k_t * p_j2k,
10970 opj_stream_private_t * p_stream,
10971 opj_image_t * p_image,
10972 opj_event_mgr_t * p_manager)
10973{
10974 if (!p_image) {
10975 return OPJ_FALSE;
10976 }
10977
10978 /* Heuristics to detect sequence opj_read_header(), opj_set_decoded_resolution_factor() */
10979 /* and finally opj_decode_image() without manual setting of comps[].factor */
10980 /* We could potentially always execute it, if we don't allow people to do */
10981 /* opj_read_header(), modify x0,y0,x1,y1 of returned image an call opj_decode_image() */
10982 if (p_j2k->m_cp.m_specific_param.m_dec.m_reduce > 0 &&
10983 p_j2k->m_private_image != NULL &&
10984 p_j2k->m_private_image->numcomps > 0 &&
10985 p_j2k->m_private_image->comps[0].factor ==
10986 p_j2k->m_cp.m_specific_param.m_dec.m_reduce &&
10987 p_image->numcomps > 0 &&
10988 p_image->comps[0].factor == 0 &&
10989 /* Don't mess with image dimension if the user has allocated it */
10990 p_image->comps[0].data == NULL) {
10991 OPJ_UINT32 it_comp;
10992
10993 /* Update the comps[].factor member of the output image with the one */
10994 /* of m_reduce */
10995 for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
10996 p_image->comps[it_comp].factor = p_j2k->m_cp.m_specific_param.m_dec.m_reduce;
10997 }
10998 if (!opj_j2k_update_image_dimensions(p_image, p_manager)) {
10999 return OPJ_FALSE;
11000 }
11001 }
11002
11003 if (p_j2k->m_output_image == NULL) {
11004 p_j2k->m_output_image = opj_image_create0();
11005 if (!(p_j2k->m_output_image)) {
11006 return OPJ_FALSE;
11007 }
11008 }
11009 opj_copy_image_header(p_image, p_j2k->m_output_image);
11010
11011 /* customization of the decoding */
11012 if (!opj_j2k_setup_decoding(p_j2k, p_manager)) {
11013 return OPJ_FALSE;
11014 }
11015
11016 /* Decode the codestream */
11017 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
11018 opj_image_destroy(p_j2k->m_private_image);
11019 p_j2k->m_private_image = NULL;
11020 return OPJ_FALSE;
11021 }
11022
11023 /* Move data and copy one information from codec to output image*/
11024 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
11025}
11026
11027OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
11028 opj_stream_private_t *p_stream,
11029 opj_image_t* p_image,
11030 opj_event_mgr_t * p_manager,
11031 OPJ_UINT32 tile_index)
11032{
11033 OPJ_UINT32 compno;
11034 OPJ_UINT32 l_tile_x, l_tile_y;
11035 opj_image_comp_t* l_img_comp;
11036
11037 if (!p_image) {
11038 opj_event_msg(p_manager, EVT_ERROR, "We need an image previously created.\n");
11039 return OPJ_FALSE;
11040 }
11041
11042 if (p_image->numcomps < p_j2k->m_private_image->numcomps) {
11043 opj_event_msg(p_manager, EVT_ERROR,
11044 "Image has less components than codestream.\n");
11045 return OPJ_FALSE;
11046 }
11047
11048 if (/*(tile_index < 0) &&*/ (tile_index >= p_j2k->m_cp.tw * p_j2k->m_cp.th)) {
11049 opj_event_msg(p_manager, EVT_ERROR,
11050 "Tile index provided by the user is incorrect %d (max = %d) \n", tile_index,
11051 (p_j2k->m_cp.tw * p_j2k->m_cp.th) - 1);
11052 return OPJ_FALSE;
11053 }
11054
11055 /* Compute the dimension of the desired tile*/
11056 l_tile_x = tile_index % p_j2k->m_cp.tw;
11057 l_tile_y = tile_index / p_j2k->m_cp.tw;
11058
11059 p_image->x0 = l_tile_x * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
11060 if (p_image->x0 < p_j2k->m_private_image->x0) {
11061 p_image->x0 = p_j2k->m_private_image->x0;
11062 }
11063 p_image->x1 = (l_tile_x + 1) * p_j2k->m_cp.tdx + p_j2k->m_cp.tx0;
11064 if (p_image->x1 > p_j2k->m_private_image->x1) {
11065 p_image->x1 = p_j2k->m_private_image->x1;
11066 }
11067
11068 p_image->y0 = l_tile_y * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
11069 if (p_image->y0 < p_j2k->m_private_image->y0) {
11070 p_image->y0 = p_j2k->m_private_image->y0;
11071 }
11072 p_image->y1 = (l_tile_y + 1) * p_j2k->m_cp.tdy + p_j2k->m_cp.ty0;
11073 if (p_image->y1 > p_j2k->m_private_image->y1) {
11074 p_image->y1 = p_j2k->m_private_image->y1;
11075 }
11076
11077 l_img_comp = p_image->comps;
11078 for (compno = 0; compno < p_j2k->m_private_image->numcomps; ++compno) {
11079 OPJ_INT32 l_comp_x1, l_comp_y1;
11080
11081 l_img_comp->factor = p_j2k->m_private_image->comps[compno].factor;
11082
11083 l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0,
11084 (OPJ_INT32)l_img_comp->dx);
11085 l_img_comp->y0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->y0,
11086 (OPJ_INT32)l_img_comp->dy);
11087 l_comp_x1 = opj_int_ceildiv((OPJ_INT32)p_image->x1, (OPJ_INT32)l_img_comp->dx);
11088 l_comp_y1 = opj_int_ceildiv((OPJ_INT32)p_image->y1, (OPJ_INT32)l_img_comp->dy);
11089
11090 l_img_comp->w = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_x1,
11091 (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->x0,
11092 (OPJ_INT32)l_img_comp->factor));
11093 l_img_comp->h = (OPJ_UINT32)(opj_int_ceildivpow2(l_comp_y1,
11094 (OPJ_INT32)l_img_comp->factor) - opj_int_ceildivpow2((OPJ_INT32)l_img_comp->y0,
11095 (OPJ_INT32)l_img_comp->factor));
11096
11097 l_img_comp++;
11098 }
11099
11100 if (p_image->numcomps > p_j2k->m_private_image->numcomps) {
11101 /* Can happen when calling repeatdly opj_get_decoded_tile() on an
11102 * image with a color palette, where color palette expansion is done
11103 * later in jp2.c */
11104 for (compno = p_j2k->m_private_image->numcomps; compno < p_image->numcomps;
11105 ++compno) {
11106 opj_image_data_free(p_image->comps[compno].data);
11107 p_image->comps[compno].data = NULL;
11108 }
11109 p_image->numcomps = p_j2k->m_private_image->numcomps;
11110 }
11111
11112 /* Destroy the previous output image*/
11113 if (p_j2k->m_output_image) {
11114 opj_image_destroy(p_j2k->m_output_image);
11115 }
11116
11117 /* Create the ouput image from the information previously computed*/
11118 p_j2k->m_output_image = opj_image_create0();
11119 if (!(p_j2k->m_output_image)) {
11120 return OPJ_FALSE;
11121 }
11122 opj_copy_image_header(p_image, p_j2k->m_output_image);
11123
11124 p_j2k->m_specific_param.m_decoder.m_tile_ind_to_dec = (OPJ_INT32)tile_index;
11125
11126 /* customization of the decoding */
11127 if (!opj_j2k_setup_decoding_tile(p_j2k, p_manager)) {
11128 return OPJ_FALSE;
11129 }
11130
11131 /* Decode the codestream */
11132 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
11133 opj_image_destroy(p_j2k->m_private_image);
11134 p_j2k->m_private_image = NULL;
11135 return OPJ_FALSE;
11136 }
11137
11138 /* Move data and copy one information from codec to output image*/
11139 return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
11140}
11141
11142OPJ_BOOL opj_j2k_set_decoded_resolution_factor(opj_j2k_t *p_j2k,
11143 OPJ_UINT32 res_factor,
11144 opj_event_mgr_t * p_manager)
11145{
11146 OPJ_UINT32 it_comp;
11147
11148 p_j2k->m_cp.m_specific_param.m_dec.m_reduce = res_factor;
11149
11150 if (p_j2k->m_private_image) {
11151 if (p_j2k->m_private_image->comps) {
11152 if (p_j2k->m_specific_param.m_decoder.m_default_tcp) {
11153 if (p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps) {
11154 for (it_comp = 0 ; it_comp < p_j2k->m_private_image->numcomps; it_comp++) {
11155 OPJ_UINT32 max_res =
11156 p_j2k->m_specific_param.m_decoder.m_default_tcp->tccps[it_comp].numresolutions;
11157 if (res_factor >= max_res) {
11158 opj_event_msg(p_manager, EVT_ERROR,
11159 "Resolution factor is greater than the maximum resolution in the component.\n");
11160 return OPJ_FALSE;
11161 }
11162 p_j2k->m_private_image->comps[it_comp].factor = res_factor;
11163 }
11164 return OPJ_TRUE;
11165 }
11166 }
11167 }
11168 }
11169
11170 return OPJ_FALSE;
11171}
11172
11173OPJ_BOOL opj_j2k_encode(opj_j2k_t * p_j2k,
11174 opj_stream_private_t *p_stream,
11175 opj_event_mgr_t * p_manager)
11176{
11177 OPJ_UINT32 i, j;
11178 OPJ_UINT32 l_nb_tiles;
11179 OPJ_SIZE_T l_max_tile_size = 0, l_current_tile_size;
11180 OPJ_BYTE * l_current_data = 00;
11181 OPJ_BOOL l_reuse_data = OPJ_FALSE;
11182 opj_tcd_t* p_tcd = 00;
11183
11184 /* preconditions */
11185 assert(p_j2k != 00);
11186 assert(p_stream != 00);
11187 assert(p_manager != 00);
11188
11189 p_tcd = p_j2k->m_tcd;
11190
11191 l_nb_tiles = p_j2k->m_cp.th * p_j2k->m_cp.tw;
11192 if (l_nb_tiles == 1) {
11193 l_reuse_data = OPJ_TRUE;
11194#ifdef __SSE__
11195 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
11196 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
11197 if (((size_t)l_img_comp->data & 0xFU) !=
11198 0U) { /* tile data shall be aligned on 16 bytes */
11199 l_reuse_data = OPJ_FALSE;
11200 }
11201 }
11202#endif
11203 }
11204 for (i = 0; i < l_nb_tiles; ++i) {
11205 if (! opj_j2k_pre_write_tile(p_j2k, i, p_stream, p_manager)) {
11206 if (l_current_data) {
11207 opj_free(l_current_data);
11208 }
11209 return OPJ_FALSE;
11210 }
11211
11212 /* if we only have one tile, then simply set tile component data equal to image component data */
11213 /* otherwise, allocate the data */
11214 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
11215 opj_tcd_tilecomp_t* l_tilec = p_tcd->tcd_image->tiles->comps + j;
11216 if (l_reuse_data) {
11217 opj_image_comp_t * l_img_comp = p_tcd->image->comps + j;
11218 l_tilec->data = l_img_comp->data;
11219 l_tilec->ownsData = OPJ_FALSE;
11220 } else {
11221 if (! opj_alloc_tile_component_data(l_tilec)) {
11222 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
11223 if (l_current_data) {
11224 opj_free(l_current_data);
11225 }
11226 return OPJ_FALSE;
11227 }
11228 }
11229 }
11230 l_current_tile_size = opj_tcd_get_encoded_tile_size(p_j2k->m_tcd);
11231 if (!l_reuse_data) {
11232 if (l_current_tile_size > l_max_tile_size) {
11233 OPJ_BYTE *l_new_current_data = (OPJ_BYTE *) opj_realloc(l_current_data,
11234 l_current_tile_size);
11235 if (! l_new_current_data) {
11236 if (l_current_data) {
11237 opj_free(l_current_data);
11238 }
11239 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to encode all tiles\n");
11240 return OPJ_FALSE;
11241 }
11242 l_current_data = l_new_current_data;
11243 l_max_tile_size = l_current_tile_size;
11244 }
11245 if (l_current_data == NULL) {
11246 /* Should not happen in practice, but will avoid Coverity to */
11247 /* complain about a null pointer dereference */
11248 assert(0);
11249 return OPJ_FALSE;
11250 }
11251
11252 /* copy image data (32 bit) to l_current_data as contiguous, all-component, zero offset buffer */
11253 /* 32 bit components @ 8 bit precision get converted to 8 bit */
11254 /* 32 bit components @ 16 bit precision get converted to 16 bit */
11255 opj_j2k_get_tile_data(p_j2k->m_tcd, l_current_data);
11256
11257 /* now copy this data into the tile component */
11258 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, l_current_data,
11259 l_current_tile_size)) {
11260 opj_event_msg(p_manager, EVT_ERROR,
11261 "Size mismatch between tile data and sent data.");
11262 opj_free(l_current_data);
11263 return OPJ_FALSE;
11264 }
11265 }
11266
11267 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
11268 if (l_current_data) {
11269 opj_free(l_current_data);
11270 }
11271 return OPJ_FALSE;
11272 }
11273 }
11274
11275 if (l_current_data) {
11276 opj_free(l_current_data);
11277 }
11278 return OPJ_TRUE;
11279}
11280
11281OPJ_BOOL opj_j2k_end_compress(opj_j2k_t *p_j2k,
11282 opj_stream_private_t *p_stream,
11283 opj_event_mgr_t * p_manager)
11284{
11285 /* customization of the encoding */
11286 if (! opj_j2k_setup_end_compress(p_j2k, p_manager)) {
11287 return OPJ_FALSE;
11288 }
11289
11290 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
11291 return OPJ_FALSE;
11292 }
11293
11294 return OPJ_TRUE;
11295}
11296
11297OPJ_BOOL opj_j2k_start_compress(opj_j2k_t *p_j2k,
11298 opj_stream_private_t *p_stream,
11299 opj_image_t * p_image,
11300 opj_event_mgr_t * p_manager)
11301{
11302 /* preconditions */
11303 assert(p_j2k != 00);
11304 assert(p_stream != 00);
11305 assert(p_manager != 00);
11306
11307 p_j2k->m_private_image = opj_image_create0();
11308 if (! p_j2k->m_private_image) {
11309 opj_event_msg(p_manager, EVT_ERROR, "Failed to allocate image header.");
11310 return OPJ_FALSE;
11311 }
11312 opj_copy_image_header(p_image, p_j2k->m_private_image);
11313
11314 /* TODO_MSD: Find a better way */
11315 if (p_image->comps) {
11316 OPJ_UINT32 it_comp;
11317 for (it_comp = 0 ; it_comp < p_image->numcomps; it_comp++) {
11318 if (p_image->comps[it_comp].data) {
11319 p_j2k->m_private_image->comps[it_comp].data = p_image->comps[it_comp].data;
11320 p_image->comps[it_comp].data = NULL;
11321
11322 }
11323 }
11324 }
11325
11326 /* customization of the validation */
11327 if (! opj_j2k_setup_encoding_validation(p_j2k, p_manager)) {
11328 return OPJ_FALSE;
11329 }
11330
11331 /* validation of the parameters codec */
11332 if (! opj_j2k_exec(p_j2k, p_j2k->m_validation_list, p_stream, p_manager)) {
11333 return OPJ_FALSE;
11334 }
11335
11336 /* customization of the encoding */
11337 if (! opj_j2k_setup_header_writing(p_j2k, p_manager)) {
11338 return OPJ_FALSE;
11339 }
11340
11341 /* write header */
11342 if (! opj_j2k_exec(p_j2k, p_j2k->m_procedure_list, p_stream, p_manager)) {
11343 return OPJ_FALSE;
11344 }
11345
11346 return OPJ_TRUE;
11347}
11348
11349static OPJ_BOOL opj_j2k_pre_write_tile(opj_j2k_t * p_j2k,
11350 OPJ_UINT32 p_tile_index,
11351 opj_stream_private_t *p_stream,
11352 opj_event_mgr_t * p_manager)
11353{
11354 (void)p_stream;
11355 if (p_tile_index != p_j2k->m_current_tile_number) {
11356 opj_event_msg(p_manager, EVT_ERROR, "The given tile index does not match.");
11357 return OPJ_FALSE;
11358 }
11359
11360 opj_event_msg(p_manager, EVT_INFO, "tile number %d / %d\n",
11361 p_j2k->m_current_tile_number + 1, p_j2k->m_cp.tw * p_j2k->m_cp.th);
11362
11363 p_j2k->m_specific_param.m_encoder.m_current_tile_part_number = 0;
11364 p_j2k->m_tcd->cur_totnum_tp = p_j2k->m_cp.tcps[p_tile_index].m_nb_tile_parts;
11365 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
11366
11367 /* initialisation before tile encoding */
11368 if (! opj_tcd_init_encode_tile(p_j2k->m_tcd, p_j2k->m_current_tile_number,
11369 p_manager)) {
11370 return OPJ_FALSE;
11371 }
11372
11373 return OPJ_TRUE;
11374}
11375
11376static void opj_get_tile_dimensions(opj_image_t * l_image,
11377 opj_tcd_tilecomp_t * l_tilec,
11378 opj_image_comp_t * l_img_comp,
11379 OPJ_UINT32* l_size_comp,
11380 OPJ_UINT32* l_width,
11381 OPJ_UINT32* l_height,
11382 OPJ_UINT32* l_offset_x,
11383 OPJ_UINT32* l_offset_y,
11384 OPJ_UINT32* l_image_width,
11385 OPJ_UINT32* l_stride,
11386 OPJ_UINT32* l_tile_offset)
11387{
11388 OPJ_UINT32 l_remaining;
11389 *l_size_comp = l_img_comp->prec >> 3; /* (/8) */
11390 l_remaining = l_img_comp->prec & 7; /* (%8) */
11391 if (l_remaining) {
11392 *l_size_comp += 1;
11393 }
11394
11395 if (*l_size_comp == 3) {
11396 *l_size_comp = 4;
11397 }
11398
11399 *l_width = (OPJ_UINT32)(l_tilec->x1 - l_tilec->x0);
11400 *l_height = (OPJ_UINT32)(l_tilec->y1 - l_tilec->y0);
11401 *l_offset_x = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x0,
11402 (OPJ_INT32)l_img_comp->dx);
11403 *l_offset_y = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->y0,
11404 (OPJ_INT32)l_img_comp->dy);
11405 *l_image_width = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)l_image->x1 -
11406 (OPJ_INT32)l_image->x0, (OPJ_INT32)l_img_comp->dx);
11407 *l_stride = *l_image_width - *l_width;
11408 *l_tile_offset = ((OPJ_UINT32)l_tilec->x0 - *l_offset_x) + ((
11409 OPJ_UINT32)l_tilec->y0 - *l_offset_y) * *l_image_width;
11410}
11411
11412static void opj_j2k_get_tile_data(opj_tcd_t * p_tcd, OPJ_BYTE * p_data)
11413{
11414 OPJ_UINT32 i, j, k = 0;
11415
11416 for (i = 0; i < p_tcd->image->numcomps; ++i) {
11417 opj_image_t * l_image = p_tcd->image;
11418 OPJ_INT32 * l_src_ptr;
11419 opj_tcd_tilecomp_t * l_tilec = p_tcd->tcd_image->tiles->comps + i;
11420 opj_image_comp_t * l_img_comp = l_image->comps + i;
11421 OPJ_UINT32 l_size_comp, l_width, l_height, l_offset_x, l_offset_y,
11422 l_image_width, l_stride, l_tile_offset;
11423
11424 opj_get_tile_dimensions(l_image,
11425 l_tilec,
11426 l_img_comp,
11427 &l_size_comp,
11428 &l_width,
11429 &l_height,
11430 &l_offset_x,
11431 &l_offset_y,
11432 &l_image_width,
11433 &l_stride,
11434 &l_tile_offset);
11435
11436 l_src_ptr = l_img_comp->data + l_tile_offset;
11437
11438 switch (l_size_comp) {
11439 case 1: {
11440 OPJ_CHAR * l_dest_ptr = (OPJ_CHAR*) p_data;
11441 if (l_img_comp->sgnd) {
11442 for (j = 0; j < l_height; ++j) {
11443 for (k = 0; k < l_width; ++k) {
11444 *(l_dest_ptr) = (OPJ_CHAR)(*l_src_ptr);
11445 ++l_dest_ptr;
11446 ++l_src_ptr;
11447 }
11448 l_src_ptr += l_stride;
11449 }
11450 } else {
11451 for (j = 0; j < l_height; ++j) {
11452 for (k = 0; k < l_width; ++k) {
11453 *(l_dest_ptr) = (OPJ_CHAR)((*l_src_ptr) & 0xff);
11454 ++l_dest_ptr;
11455 ++l_src_ptr;
11456 }
11457 l_src_ptr += l_stride;
11458 }
11459 }
11460
11461 p_data = (OPJ_BYTE*) l_dest_ptr;
11462 }
11463 break;
11464 case 2: {
11465 OPJ_INT16 * l_dest_ptr = (OPJ_INT16 *) p_data;
11466 if (l_img_comp->sgnd) {
11467 for (j = 0; j < l_height; ++j) {
11468 for (k = 0; k < l_width; ++k) {
11469 *(l_dest_ptr++) = (OPJ_INT16)(*(l_src_ptr++));
11470 }
11471 l_src_ptr += l_stride;
11472 }
11473 } else {
11474 for (j = 0; j < l_height; ++j) {
11475 for (k = 0; k < l_width; ++k) {
11476 *(l_dest_ptr++) = (OPJ_INT16)((*(l_src_ptr++)) & 0xffff);
11477 }
11478 l_src_ptr += l_stride;
11479 }
11480 }
11481
11482 p_data = (OPJ_BYTE*) l_dest_ptr;
11483 }
11484 break;
11485 case 4: {
11486 OPJ_INT32 * l_dest_ptr = (OPJ_INT32 *) p_data;
11487 for (j = 0; j < l_height; ++j) {
11488 for (k = 0; k < l_width; ++k) {
11489 *(l_dest_ptr++) = *(l_src_ptr++);
11490 }
11491 l_src_ptr += l_stride;
11492 }
11493
11494 p_data = (OPJ_BYTE*) l_dest_ptr;
11495 }
11496 break;
11497 }
11498 }
11499}
11500
11501static OPJ_BOOL opj_j2k_post_write_tile(opj_j2k_t * p_j2k,
11502 opj_stream_private_t *p_stream,
11503 opj_event_mgr_t * p_manager)
11504{
11505 OPJ_UINT32 l_nb_bytes_written;
11506 OPJ_BYTE * l_current_data = 00;
11507 OPJ_UINT32 l_tile_size = 0;
11508 OPJ_UINT32 l_available_data;
11509
11510 /* preconditions */
11511 assert(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
11512
11513 l_tile_size = p_j2k->m_specific_param.m_encoder.m_encoded_tile_size;
11514 l_available_data = l_tile_size;
11515 l_current_data = p_j2k->m_specific_param.m_encoder.m_encoded_tile_data;
11516
11517 l_nb_bytes_written = 0;
11518 if (! opj_j2k_write_first_tile_part(p_j2k, l_current_data, &l_nb_bytes_written,
11519 l_available_data, p_stream, p_manager)) {
11520 return OPJ_FALSE;
11521 }
11522 l_current_data += l_nb_bytes_written;
11523 l_available_data -= l_nb_bytes_written;
11524
11525 l_nb_bytes_written = 0;
11526 if (! opj_j2k_write_all_tile_parts(p_j2k, l_current_data, &l_nb_bytes_written,
11527 l_available_data, p_stream, p_manager)) {
11528 return OPJ_FALSE;
11529 }
11530
11531 l_available_data -= l_nb_bytes_written;
11532 l_nb_bytes_written = l_tile_size - l_available_data;
11533
11534 if (opj_stream_write_data(p_stream,
11535 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data,
11536 l_nb_bytes_written, p_manager) != l_nb_bytes_written) {
11537 return OPJ_FALSE;
11538 }
11539
11540 ++p_j2k->m_current_tile_number;
11541
11542 return OPJ_TRUE;
11543}
11544
11545static OPJ_BOOL opj_j2k_setup_end_compress(opj_j2k_t *p_j2k,
11546 opj_event_mgr_t * p_manager)
11547{
11548 /* preconditions */
11549 assert(p_j2k != 00);
11550 assert(p_manager != 00);
11551
11552 /* DEVELOPER CORNER, insert your custom procedures */
11553 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11554 (opj_procedure)opj_j2k_write_eoc, p_manager)) {
11555 return OPJ_FALSE;
11556 }
11557
11558 if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) {
11559 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11560 (opj_procedure)opj_j2k_write_updated_tlm, p_manager)) {
11561 return OPJ_FALSE;
11562 }
11563 }
11564
11565 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11566 (opj_procedure)opj_j2k_write_epc, p_manager)) {
11567 return OPJ_FALSE;
11568 }
11569 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11570 (opj_procedure)opj_j2k_end_encoding, p_manager)) {
11571 return OPJ_FALSE;
11572 }
11573 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11574 (opj_procedure)opj_j2k_destroy_header_memory, p_manager)) {
11575 return OPJ_FALSE;
11576 }
11577 return OPJ_TRUE;
11578}
11579
11580static OPJ_BOOL opj_j2k_setup_encoding_validation(opj_j2k_t *p_j2k,
11581 opj_event_mgr_t * p_manager)
11582{
11583 /* preconditions */
11584 assert(p_j2k != 00);
11585 assert(p_manager != 00);
11586
11587 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
11588 (opj_procedure)opj_j2k_build_encoder, p_manager)) {
11589 return OPJ_FALSE;
11590 }
11591 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
11592 (opj_procedure)opj_j2k_encoding_validation, p_manager)) {
11593 return OPJ_FALSE;
11594 }
11595
11596 /* DEVELOPER CORNER, add your custom validation procedure */
11597 if (! opj_procedure_list_add_procedure(p_j2k->m_validation_list,
11598 (opj_procedure)opj_j2k_mct_validation, p_manager)) {
11599 return OPJ_FALSE;
11600 }
11601
11602 return OPJ_TRUE;
11603}
11604
11605static OPJ_BOOL opj_j2k_setup_header_writing(opj_j2k_t *p_j2k,
11606 opj_event_mgr_t * p_manager)
11607{
11608 /* preconditions */
11609 assert(p_j2k != 00);
11610 assert(p_manager != 00);
11611
11612 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11613 (opj_procedure)opj_j2k_init_info, p_manager)) {
11614 return OPJ_FALSE;
11615 }
11616 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11617 (opj_procedure)opj_j2k_write_soc, p_manager)) {
11618 return OPJ_FALSE;
11619 }
11620 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11621 (opj_procedure)opj_j2k_write_siz, p_manager)) {
11622 return OPJ_FALSE;
11623 }
11624 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11625 (opj_procedure)opj_j2k_write_cod, p_manager)) {
11626 return OPJ_FALSE;
11627 }
11628 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11629 (opj_procedure)opj_j2k_write_qcd, p_manager)) {
11630 return OPJ_FALSE;
11631 }
11632 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11633 (opj_procedure)opj_j2k_write_all_coc, p_manager)) {
11634 return OPJ_FALSE;
11635 }
11636 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11637 (opj_procedure)opj_j2k_write_all_qcc, p_manager)) {
11638 return OPJ_FALSE;
11639 }
11640
11641 if (OPJ_IS_CINEMA(p_j2k->m_cp.rsiz)) {
11642 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11643 (opj_procedure)opj_j2k_write_tlm, p_manager)) {
11644 return OPJ_FALSE;
11645 }
11646
11647 if (p_j2k->m_cp.rsiz == OPJ_PROFILE_CINEMA_4K) {
11648 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11649 (opj_procedure)opj_j2k_write_poc, p_manager)) {
11650 return OPJ_FALSE;
11651 }
11652 }
11653 }
11654
11655 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11656 (opj_procedure)opj_j2k_write_regions, p_manager)) {
11657 return OPJ_FALSE;
11658 }
11659
11660 if (p_j2k->m_cp.comment != 00) {
11661 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11662 (opj_procedure)opj_j2k_write_com, p_manager)) {
11663 return OPJ_FALSE;
11664 }
11665 }
11666
11667 /* DEVELOPER CORNER, insert your custom procedures */
11668 if (p_j2k->m_cp.rsiz & OPJ_EXTENSION_MCT) {
11669 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11670 (opj_procedure)opj_j2k_write_mct_data_group, p_manager)) {
11671 return OPJ_FALSE;
11672 }
11673 }
11674 /* End of Developer Corner */
11675
11676 if (p_j2k->cstr_index) {
11677 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11678 (opj_procedure)opj_j2k_get_end_header, p_manager)) {
11679 return OPJ_FALSE;
11680 }
11681 }
11682
11683 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11684 (opj_procedure)opj_j2k_create_tcd, p_manager)) {
11685 return OPJ_FALSE;
11686 }
11687 if (! opj_procedure_list_add_procedure(p_j2k->m_procedure_list,
11688 (opj_procedure)opj_j2k_update_rates, p_manager)) {
11689 return OPJ_FALSE;
11690 }
11691
11692 return OPJ_TRUE;
11693}
11694
11695static OPJ_BOOL opj_j2k_write_first_tile_part(opj_j2k_t *p_j2k,
11696 OPJ_BYTE * p_data,
11697 OPJ_UINT32 * p_data_written,
11698 OPJ_UINT32 p_total_data_size,
11699 opj_stream_private_t *p_stream,
11700 struct opj_event_mgr * p_manager)
11701{
11702 OPJ_UINT32 l_nb_bytes_written = 0;
11703 OPJ_UINT32 l_current_nb_bytes_written;
11704 OPJ_BYTE * l_begin_data = 00;
11705
11706 opj_tcd_t * l_tcd = 00;
11707 opj_cp_t * l_cp = 00;
11708
11709 l_tcd = p_j2k->m_tcd;
11710 l_cp = &(p_j2k->m_cp);
11711
11712 l_tcd->cur_pino = 0;
11713
11714 /*Get number of tile parts*/
11715 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = 0;
11716
11717 /* INDEX >> */
11718 /* << INDEX */
11719
11720 l_current_nb_bytes_written = 0;
11721 l_begin_data = p_data;
11722 if (! opj_j2k_write_sot(p_j2k, p_data, p_total_data_size,
11723 &l_current_nb_bytes_written, p_stream,
11724 p_manager)) {
11725 return OPJ_FALSE;
11726 }
11727
11728 l_nb_bytes_written += l_current_nb_bytes_written;
11729 p_data += l_current_nb_bytes_written;
11730 p_total_data_size -= l_current_nb_bytes_written;
11731
11732 if (!OPJ_IS_CINEMA(l_cp->rsiz)) {
11733#if 0
11734 for (compno = 1; compno < p_j2k->m_private_image->numcomps; compno++) {
11735 l_current_nb_bytes_written = 0;
11736 opj_j2k_write_coc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
11737 p_manager);
11738 l_nb_bytes_written += l_current_nb_bytes_written;
11739 p_data += l_current_nb_bytes_written;
11740 p_total_data_size -= l_current_nb_bytes_written;
11741
11742 l_current_nb_bytes_written = 0;
11743 opj_j2k_write_qcc_in_memory(p_j2k, compno, p_data, &l_current_nb_bytes_written,
11744 p_manager);
11745 l_nb_bytes_written += l_current_nb_bytes_written;
11746 p_data += l_current_nb_bytes_written;
11747 p_total_data_size -= l_current_nb_bytes_written;
11748 }
11749#endif
11750 if (l_cp->tcps[p_j2k->m_current_tile_number].numpocs) {
11751 l_current_nb_bytes_written = 0;
11752 opj_j2k_write_poc_in_memory(p_j2k, p_data, &l_current_nb_bytes_written,
11753 p_manager);
11754 l_nb_bytes_written += l_current_nb_bytes_written;
11755 p_data += l_current_nb_bytes_written;
11756 p_total_data_size -= l_current_nb_bytes_written;
11757 }
11758 }
11759
11760 l_current_nb_bytes_written = 0;
11761 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
11762 p_total_data_size, p_stream, p_manager)) {
11763 return OPJ_FALSE;
11764 }
11765
11766 l_nb_bytes_written += l_current_nb_bytes_written;
11767 * p_data_written = l_nb_bytes_written;
11768
11769 /* Writing Psot in SOT marker */
11770 opj_write_bytes(l_begin_data + 6, l_nb_bytes_written,
11771 4); /* PSOT */
11772
11773 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
11774 opj_j2k_update_tlm(p_j2k, l_nb_bytes_written);
11775 }
11776
11777 return OPJ_TRUE;
11778}
11779
11780static OPJ_BOOL opj_j2k_write_all_tile_parts(opj_j2k_t *p_j2k,
11781 OPJ_BYTE * p_data,
11782 OPJ_UINT32 * p_data_written,
11783 OPJ_UINT32 p_total_data_size,
11784 opj_stream_private_t *p_stream,
11785 struct opj_event_mgr * p_manager
11786 )
11787{
11788 OPJ_UINT32 tilepartno = 0;
11789 OPJ_UINT32 l_nb_bytes_written = 0;
11790 OPJ_UINT32 l_current_nb_bytes_written;
11791 OPJ_UINT32 l_part_tile_size;
11792 OPJ_UINT32 tot_num_tp;
11793 OPJ_UINT32 pino;
11794
11795 OPJ_BYTE * l_begin_data;
11796 opj_tcp_t *l_tcp = 00;
11797 opj_tcd_t * l_tcd = 00;
11798 opj_cp_t * l_cp = 00;
11799
11800 l_tcd = p_j2k->m_tcd;
11801 l_cp = &(p_j2k->m_cp);
11802 l_tcp = l_cp->tcps + p_j2k->m_current_tile_number;
11803
11804 /*Get number of tile parts*/
11805 tot_num_tp = opj_j2k_get_num_tp(l_cp, 0, p_j2k->m_current_tile_number);
11806
11807 /* start writing remaining tile parts */
11808 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
11809 for (tilepartno = 1; tilepartno < tot_num_tp ; ++tilepartno) {
11810 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
11811 l_current_nb_bytes_written = 0;
11812 l_part_tile_size = 0;
11813 l_begin_data = p_data;
11814
11815 if (! opj_j2k_write_sot(p_j2k, p_data,
11816 p_total_data_size,
11817 &l_current_nb_bytes_written,
11818 p_stream,
11819 p_manager)) {
11820 return OPJ_FALSE;
11821 }
11822
11823 l_nb_bytes_written += l_current_nb_bytes_written;
11824 p_data += l_current_nb_bytes_written;
11825 p_total_data_size -= l_current_nb_bytes_written;
11826 l_part_tile_size += l_current_nb_bytes_written;
11827
11828 l_current_nb_bytes_written = 0;
11829 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
11830 p_total_data_size, p_stream, p_manager)) {
11831 return OPJ_FALSE;
11832 }
11833
11834 p_data += l_current_nb_bytes_written;
11835 l_nb_bytes_written += l_current_nb_bytes_written;
11836 p_total_data_size -= l_current_nb_bytes_written;
11837 l_part_tile_size += l_current_nb_bytes_written;
11838
11839 /* Writing Psot in SOT marker */
11840 opj_write_bytes(l_begin_data + 6, l_part_tile_size,
11841 4); /* PSOT */
11842
11843 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
11844 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
11845 }
11846
11847 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
11848 }
11849
11850 for (pino = 1; pino <= l_tcp->numpocs; ++pino) {
11851 l_tcd->cur_pino = pino;
11852
11853 /*Get number of tile parts*/
11854 tot_num_tp = opj_j2k_get_num_tp(l_cp, pino, p_j2k->m_current_tile_number);
11855 for (tilepartno = 0; tilepartno < tot_num_tp ; ++tilepartno) {
11856 p_j2k->m_specific_param.m_encoder.m_current_poc_tile_part_number = tilepartno;
11857 l_current_nb_bytes_written = 0;
11858 l_part_tile_size = 0;
11859 l_begin_data = p_data;
11860
11861 if (! opj_j2k_write_sot(p_j2k, p_data,
11862 p_total_data_size,
11863 &l_current_nb_bytes_written, p_stream,
11864 p_manager)) {
11865 return OPJ_FALSE;
11866 }
11867
11868 l_nb_bytes_written += l_current_nb_bytes_written;
11869 p_data += l_current_nb_bytes_written;
11870 p_total_data_size -= l_current_nb_bytes_written;
11871 l_part_tile_size += l_current_nb_bytes_written;
11872
11873 l_current_nb_bytes_written = 0;
11874
11875 if (! opj_j2k_write_sod(p_j2k, l_tcd, p_data, &l_current_nb_bytes_written,
11876 p_total_data_size, p_stream, p_manager)) {
11877 return OPJ_FALSE;
11878 }
11879
11880 l_nb_bytes_written += l_current_nb_bytes_written;
11881 p_data += l_current_nb_bytes_written;
11882 p_total_data_size -= l_current_nb_bytes_written;
11883 l_part_tile_size += l_current_nb_bytes_written;
11884
11885 /* Writing Psot in SOT marker */
11886 opj_write_bytes(l_begin_data + 6, l_part_tile_size,
11887 4); /* PSOT */
11888
11889 if (OPJ_IS_CINEMA(l_cp->rsiz)) {
11890 opj_j2k_update_tlm(p_j2k, l_part_tile_size);
11891 }
11892
11893 ++p_j2k->m_specific_param.m_encoder.m_current_tile_part_number;
11894 }
11895 }
11896
11897 *p_data_written = l_nb_bytes_written;
11898
11899 return OPJ_TRUE;
11900}
11901
11902static OPJ_BOOL opj_j2k_write_updated_tlm(opj_j2k_t *p_j2k,
11903 struct opj_stream_private *p_stream,
11904 struct opj_event_mgr * p_manager)
11905{
11906 OPJ_UINT32 l_tlm_size;
11907 OPJ_OFF_T l_tlm_position, l_current_position;
11908
11909 /* preconditions */
11910 assert(p_j2k != 00);
11911 assert(p_manager != 00);
11912 assert(p_stream != 00);
11913
11914 l_tlm_size = 5 * p_j2k->m_specific_param.m_encoder.m_total_tile_parts;
11915 l_tlm_position = 6 + p_j2k->m_specific_param.m_encoder.m_tlm_start;
11916 l_current_position = opj_stream_tell(p_stream);
11917
11918 if (! opj_stream_seek(p_stream, l_tlm_position, p_manager)) {
11919 return OPJ_FALSE;
11920 }
11921
11922 if (opj_stream_write_data(p_stream,
11923 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer, l_tlm_size,
11924 p_manager) != l_tlm_size) {
11925 return OPJ_FALSE;
11926 }
11927
11928 if (! opj_stream_seek(p_stream, l_current_position, p_manager)) {
11929 return OPJ_FALSE;
11930 }
11931
11932 return OPJ_TRUE;
11933}
11934
11935static OPJ_BOOL opj_j2k_end_encoding(opj_j2k_t *p_j2k,
11936 struct opj_stream_private *p_stream,
11937 struct opj_event_mgr * p_manager)
11938{
11939 /* preconditions */
11940 assert(p_j2k != 00);
11941 assert(p_manager != 00);
11942 assert(p_stream != 00);
11943
11944 OPJ_UNUSED(p_stream);
11945 OPJ_UNUSED(p_manager);
11946
11947 opj_tcd_destroy(p_j2k->m_tcd);
11948 p_j2k->m_tcd = 00;
11949
11950 if (p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer) {
11951 opj_free(p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer);
11952 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_buffer = 0;
11953 p_j2k->m_specific_param.m_encoder.m_tlm_sot_offsets_current = 0;
11954 }
11955
11956 if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
11957 opj_free(p_j2k->m_specific_param.m_encoder.m_encoded_tile_data);
11958 p_j2k->m_specific_param.m_encoder.m_encoded_tile_data = 0;
11959 }
11960
11961 p_j2k->m_specific_param.m_encoder.m_encoded_tile_size = 0;
11962
11963 return OPJ_TRUE;
11964}
11965
11966/**
11967 * Destroys the memory associated with the decoding of headers.
11968 */
11969static OPJ_BOOL opj_j2k_destroy_header_memory(opj_j2k_t * p_j2k,
11970 opj_stream_private_t *p_stream,
11971 opj_event_mgr_t * p_manager
11972 )
11973{
11974 /* preconditions */
11975 assert(p_j2k != 00);
11976 assert(p_stream != 00);
11977 assert(p_manager != 00);
11978
11979 OPJ_UNUSED(p_stream);
11980 OPJ_UNUSED(p_manager);
11981
11982 if (p_j2k->m_specific_param.m_encoder.m_header_tile_data) {
11983 opj_free(p_j2k->m_specific_param.m_encoder.m_header_tile_data);
11984 p_j2k->m_specific_param.m_encoder.m_header_tile_data = 0;
11985 }
11986
11987 p_j2k->m_specific_param.m_encoder.m_header_tile_data_size = 0;
11988
11989 return OPJ_TRUE;
11990}
11991
11992static OPJ_BOOL opj_j2k_init_info(opj_j2k_t *p_j2k,
11993 struct opj_stream_private *p_stream,
11994 struct opj_event_mgr * p_manager)
11995{
11996 opj_codestream_info_t * l_cstr_info = 00;
11997
11998 /* preconditions */
11999 assert(p_j2k != 00);
12000 assert(p_manager != 00);
12001 assert(p_stream != 00);
12002 (void)l_cstr_info;
12003
12004 OPJ_UNUSED(p_stream);
12005
12006 /* TODO mergeV2: check this part which use cstr_info */
12007 /*l_cstr_info = p_j2k->cstr_info;
12008
12009 if (l_cstr_info) {
12010 OPJ_UINT32 compno;
12011 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));
12012
12013 l_cstr_info->image_w = p_j2k->m_image->x1 - p_j2k->m_image->x0;
12014 l_cstr_info->image_h = p_j2k->m_image->y1 - p_j2k->m_image->y0;
12015
12016 l_cstr_info->prog = (&p_j2k->m_cp.tcps[0])->prg;
12017
12018 l_cstr_info->tw = p_j2k->m_cp.tw;
12019 l_cstr_info->th = p_j2k->m_cp.th;
12020
12021 l_cstr_info->tile_x = p_j2k->m_cp.tdx;*/ /* new version parser */
12022 /*l_cstr_info->tile_y = p_j2k->m_cp.tdy;*/ /* new version parser */
12023 /*l_cstr_info->tile_Ox = p_j2k->m_cp.tx0;*/ /* new version parser */
12024 /*l_cstr_info->tile_Oy = p_j2k->m_cp.ty0;*/ /* new version parser */
12025
12026 /*l_cstr_info->numcomps = p_j2k->m_image->numcomps;
12027
12028 l_cstr_info->numlayers = (&p_j2k->m_cp.tcps[0])->numlayers;
12029
12030 l_cstr_info->numdecompos = (OPJ_INT32*) opj_malloc(p_j2k->m_image->numcomps * sizeof(OPJ_INT32));
12031
12032 for (compno=0; compno < p_j2k->m_image->numcomps; compno++) {
12033 l_cstr_info->numdecompos[compno] = (&p_j2k->m_cp.tcps[0])->tccps->numresolutions - 1;
12034 }
12035
12036 l_cstr_info->D_max = 0.0; */ /* ADD Marcela */
12037
12038 /*l_cstr_info->main_head_start = opj_stream_tell(p_stream);*/ /* position of SOC */
12039
12040 /*l_cstr_info->maxmarknum = 100;
12041 l_cstr_info->marker = (opj_marker_info_t *) opj_malloc(l_cstr_info->maxmarknum * sizeof(opj_marker_info_t));
12042 l_cstr_info->marknum = 0;
12043 }*/
12044
12045 return opj_j2k_calculate_tp(p_j2k, &(p_j2k->m_cp),
12046 &p_j2k->m_specific_param.m_encoder.m_total_tile_parts, p_j2k->m_private_image,
12047 p_manager);
12048}
12049
12050/**
12051 * Creates a tile-coder encoder.
12052 *
12053 * @param p_stream the stream to write data to.
12054 * @param p_j2k J2K codec.
12055 * @param p_manager the user event manager.
12056*/
12057static OPJ_BOOL opj_j2k_create_tcd(opj_j2k_t *p_j2k,
12058 opj_stream_private_t *p_stream,
12059 opj_event_mgr_t * p_manager
12060 )
12061{
12062 /* preconditions */
12063 assert(p_j2k != 00);
12064 assert(p_manager != 00);
12065 assert(p_stream != 00);
12066
12067 OPJ_UNUSED(p_stream);
12068
12069 p_j2k->m_tcd = opj_tcd_create(OPJ_FALSE);
12070
12071 if (! p_j2k->m_tcd) {
12072 opj_event_msg(p_manager, EVT_ERROR, "Not enough memory to create Tile Coder\n");
12073 return OPJ_FALSE;
12074 }
12075
12076 if (!opj_tcd_init(p_j2k->m_tcd, p_j2k->m_private_image, &p_j2k->m_cp,
12077 p_j2k->m_tp)) {
12078 opj_tcd_destroy(p_j2k->m_tcd);
12079 p_j2k->m_tcd = 00;
12080 return OPJ_FALSE;
12081 }
12082
12083 return OPJ_TRUE;
12084}
12085
12086OPJ_BOOL opj_j2k_write_tile(opj_j2k_t * p_j2k,
12087 OPJ_UINT32 p_tile_index,
12088 OPJ_BYTE * p_data,
12089 OPJ_UINT32 p_data_size,
12090 opj_stream_private_t *p_stream,
12091 opj_event_mgr_t * p_manager)
12092{
12093 if (! opj_j2k_pre_write_tile(p_j2k, p_tile_index, p_stream, p_manager)) {
12094 opj_event_msg(p_manager, EVT_ERROR,
12095 "Error while opj_j2k_pre_write_tile with tile index = %d\n", p_tile_index);
12096 return OPJ_FALSE;
12097 } else {
12098 OPJ_UINT32 j;
12099 /* Allocate data */
12100 for (j = 0; j < p_j2k->m_tcd->image->numcomps; ++j) {
12101 opj_tcd_tilecomp_t* l_tilec = p_j2k->m_tcd->tcd_image->tiles->comps + j;
12102
12103 if (! opj_alloc_tile_component_data(l_tilec)) {
12104 opj_event_msg(p_manager, EVT_ERROR, "Error allocating tile component data.");
12105 return OPJ_FALSE;
12106 }
12107 }
12108
12109 /* now copy data into the tile component */
12110 if (! opj_tcd_copy_tile_data(p_j2k->m_tcd, p_data, p_data_size)) {
12111 opj_event_msg(p_manager, EVT_ERROR,
12112 "Size mismatch between tile data and sent data.");
12113 return OPJ_FALSE;
12114 }
12115 if (! opj_j2k_post_write_tile(p_j2k, p_stream, p_manager)) {
12116 opj_event_msg(p_manager, EVT_ERROR,
12117 "Error while opj_j2k_post_write_tile with tile index = %d\n", p_tile_index);
12118 return OPJ_FALSE;
12119 }
12120 }
12121
12122 return OPJ_TRUE;
12123}
12124