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) 2005, Herve Drolon, FreeImage Team
8 * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
9 * Copyright (c) 2012, CS Systemes d'Information, France
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #ifdef _WIN32
35 #include <windows.h>
36 #endif /* _WIN32 */
37
38 #include "opj_includes.h"
39
40
41 /* ---------------------------------------------------------------------- */
42 /* Functions to set the message handlers */
43
opj_set_info_handler(opj_codec_t * p_codec,opj_msg_callback p_callback,void * p_user_data)44 OPJ_BOOL OPJ_CALLCONV opj_set_info_handler(opj_codec_t * p_codec,
45 opj_msg_callback p_callback,
46 void * p_user_data)
47 {
48 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
49 if (! l_codec) {
50 return OPJ_FALSE;
51 }
52
53 l_codec->m_event_mgr.info_handler = p_callback;
54 l_codec->m_event_mgr.m_info_data = p_user_data;
55
56 return OPJ_TRUE;
57 }
58
opj_set_warning_handler(opj_codec_t * p_codec,opj_msg_callback p_callback,void * p_user_data)59 OPJ_BOOL OPJ_CALLCONV opj_set_warning_handler(opj_codec_t * p_codec,
60 opj_msg_callback p_callback,
61 void * p_user_data)
62 {
63 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
64 if (! l_codec) {
65 return OPJ_FALSE;
66 }
67
68 l_codec->m_event_mgr.warning_handler = p_callback;
69 l_codec->m_event_mgr.m_warning_data = p_user_data;
70
71 return OPJ_TRUE;
72 }
73
opj_set_error_handler(opj_codec_t * p_codec,opj_msg_callback p_callback,void * p_user_data)74 OPJ_BOOL OPJ_CALLCONV opj_set_error_handler(opj_codec_t * p_codec,
75 opj_msg_callback p_callback,
76 void * p_user_data)
77 {
78 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
79 if (! l_codec) {
80 return OPJ_FALSE;
81 }
82
83 l_codec->m_event_mgr.error_handler = p_callback;
84 l_codec->m_event_mgr.m_error_data = p_user_data;
85
86 return OPJ_TRUE;
87 }
88
89 /* ---------------------------------------------------------------------- */
90
opj_read_from_file(void * p_buffer,OPJ_SIZE_T p_nb_bytes,void * p_user_data)91 static OPJ_SIZE_T opj_read_from_file(void * p_buffer, OPJ_SIZE_T p_nb_bytes,
92 void * p_user_data)
93 {
94 FILE* p_file = (FILE*)p_user_data;
95 OPJ_SIZE_T l_nb_read = fread(p_buffer, 1, p_nb_bytes, (FILE*)p_file);
96 return l_nb_read ? l_nb_read : (OPJ_SIZE_T) - 1;
97 }
98
opj_get_data_length_from_file(void * p_user_data)99 static OPJ_UINT64 opj_get_data_length_from_file(void * p_user_data)
100 {
101 FILE* p_file = (FILE*)p_user_data;
102 OPJ_OFF_T file_length = 0;
103
104 OPJ_FSEEK(p_file, 0, SEEK_END);
105 file_length = (OPJ_OFF_T)OPJ_FTELL(p_file);
106 OPJ_FSEEK(p_file, 0, SEEK_SET);
107
108 return (OPJ_UINT64)file_length;
109 }
110
opj_write_from_file(void * p_buffer,OPJ_SIZE_T p_nb_bytes,void * p_user_data)111 static OPJ_SIZE_T opj_write_from_file(void * p_buffer, OPJ_SIZE_T p_nb_bytes,
112 void * p_user_data)
113 {
114 FILE* p_file = (FILE*)p_user_data;
115 return fwrite(p_buffer, 1, p_nb_bytes, p_file);
116 }
117
opj_skip_from_file(OPJ_OFF_T p_nb_bytes,void * p_user_data)118 static OPJ_OFF_T opj_skip_from_file(OPJ_OFF_T p_nb_bytes, void * p_user_data)
119 {
120 FILE* p_file = (FILE*)p_user_data;
121 if (OPJ_FSEEK(p_file, p_nb_bytes, SEEK_CUR)) {
122 return -1;
123 }
124
125 return p_nb_bytes;
126 }
127
opj_seek_from_file(OPJ_OFF_T p_nb_bytes,void * p_user_data)128 static OPJ_BOOL opj_seek_from_file(OPJ_OFF_T p_nb_bytes, void * p_user_data)
129 {
130 FILE* p_file = (FILE*)p_user_data;
131 if (OPJ_FSEEK(p_file, p_nb_bytes, SEEK_SET)) {
132 return OPJ_FALSE;
133 }
134
135 return OPJ_TRUE;
136 }
137
opj_close_from_file(void * p_user_data)138 static void opj_close_from_file(void* p_user_data)
139 {
140 FILE* p_file = (FILE*)p_user_data;
141 fclose(p_file);
142 }
143
144 /* ---------------------------------------------------------------------- */
145 #ifdef _WIN32
146 #ifndef OPJ_STATIC
147 BOOL APIENTRY
DllMain(HINSTANCE hModule,DWORD ul_reason_for_call,LPVOID lpReserved)148 DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
149 {
150
151 OPJ_ARG_NOT_USED(lpReserved);
152 OPJ_ARG_NOT_USED(hModule);
153
154 switch (ul_reason_for_call) {
155 case DLL_PROCESS_ATTACH :
156 break;
157 case DLL_PROCESS_DETACH :
158 break;
159 case DLL_THREAD_ATTACH :
160 case DLL_THREAD_DETACH :
161 break;
162 }
163
164 return TRUE;
165 }
166 #endif /* OPJ_STATIC */
167 #endif /* _WIN32 */
168
169 /* ---------------------------------------------------------------------- */
170
opj_version(void)171 const char* OPJ_CALLCONV opj_version(void)
172 {
173 return OPJ_PACKAGE_VERSION;
174 }
175
176 /* ---------------------------------------------------------------------- */
177 /* DECOMPRESSION FUNCTIONS*/
178
opj_create_decompress(OPJ_CODEC_FORMAT p_format)179 opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format)
180 {
181 opj_codec_private_t *l_codec = 00;
182
183 l_codec = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
184 if (!l_codec) {
185 return 00;
186 }
187
188 l_codec->is_decompressor = 1;
189
190 switch (p_format) {
191 case OPJ_CODEC_J2K:
192 l_codec->opj_dump_codec = (void (*)(void*, OPJ_INT32, FILE*)) j2k_dump;
193
194 l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*)(
195 void*)) j2k_get_cstr_info;
196
197 l_codec->opj_get_codec_index = (opj_codestream_index_t* (*)(
198 void*)) j2k_get_cstr_index;
199
200 l_codec->m_codec_data.m_decompression.opj_decode =
201 (OPJ_BOOL(*)(void *,
202 struct opj_stream_private *,
203 opj_image_t*, struct opj_event_mgr *)) opj_j2k_decode;
204
205 l_codec->m_codec_data.m_decompression.opj_end_decompress =
206 (OPJ_BOOL(*)(void *,
207 struct opj_stream_private *,
208 struct opj_event_mgr *)) opj_j2k_end_decompress;
209
210 l_codec->m_codec_data.m_decompression.opj_read_header =
211 (OPJ_BOOL(*)(struct opj_stream_private *,
212 void *,
213 opj_image_t **,
214 struct opj_event_mgr *)) opj_j2k_read_header;
215
216 l_codec->m_codec_data.m_decompression.opj_destroy =
217 (void (*)(void *))opj_j2k_destroy;
218
219 l_codec->m_codec_data.m_decompression.opj_setup_decoder =
220 (void (*)(void *, opj_dparameters_t *)) opj_j2k_setup_decoder;
221
222 l_codec->m_codec_data.m_decompression.opj_decoder_set_strict_mode =
223 (void (*)(void *, OPJ_BOOL)) opj_j2k_decoder_set_strict_mode;
224
225
226 l_codec->m_codec_data.m_decompression.opj_read_tile_header =
227 (OPJ_BOOL(*)(void *,
228 OPJ_UINT32*,
229 OPJ_UINT32*,
230 OPJ_INT32*, OPJ_INT32*,
231 OPJ_INT32*, OPJ_INT32*,
232 OPJ_UINT32*,
233 OPJ_BOOL*,
234 struct opj_stream_private *,
235 struct opj_event_mgr *)) opj_j2k_read_tile_header;
236
237 l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
238 (OPJ_BOOL(*)(void *,
239 OPJ_UINT32,
240 OPJ_BYTE*,
241 OPJ_UINT32,
242 struct opj_stream_private *,
243 struct opj_event_mgr *)) opj_j2k_decode_tile;
244
245 l_codec->m_codec_data.m_decompression.opj_set_decode_area =
246 (OPJ_BOOL(*)(void *,
247 opj_image_t*,
248 OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32,
249 struct opj_event_mgr *)) opj_j2k_set_decode_area;
250
251 l_codec->m_codec_data.m_decompression.opj_get_decoded_tile =
252 (OPJ_BOOL(*)(void *p_codec,
253 opj_stream_private_t *p_cio,
254 opj_image_t *p_image,
255 struct opj_event_mgr * p_manager,
256 OPJ_UINT32 tile_index)) opj_j2k_get_tile;
257
258 l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor =
259 (OPJ_BOOL(*)(void * p_codec,
260 OPJ_UINT32 res_factor,
261 struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_resolution_factor;
262
263 l_codec->m_codec_data.m_decompression.opj_set_decoded_components =
264 (OPJ_BOOL(*)(void * p_codec,
265 OPJ_UINT32 numcomps,
266 const OPJ_UINT32 * comps_indices,
267 struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_components;
268
269 l_codec->opj_set_threads =
270 (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_j2k_set_threads;
271
272 l_codec->m_codec = opj_j2k_create_decompress();
273
274 if (! l_codec->m_codec) {
275 opj_free(l_codec);
276 return NULL;
277 }
278
279 break;
280
281 case OPJ_CODEC_JP2:
282 /* get a JP2 decoder handle */
283 l_codec->opj_dump_codec = (void (*)(void*, OPJ_INT32, FILE*)) jp2_dump;
284
285 l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*)(
286 void*)) jp2_get_cstr_info;
287
288 l_codec->opj_get_codec_index = (opj_codestream_index_t* (*)(
289 void*)) jp2_get_cstr_index;
290
291 l_codec->m_codec_data.m_decompression.opj_decode =
292 (OPJ_BOOL(*)(void *,
293 struct opj_stream_private *,
294 opj_image_t*,
295 struct opj_event_mgr *)) opj_jp2_decode;
296
297 l_codec->m_codec_data.m_decompression.opj_end_decompress =
298 (OPJ_BOOL(*)(void *,
299 struct opj_stream_private *,
300 struct opj_event_mgr *)) opj_jp2_end_decompress;
301
302 l_codec->m_codec_data.m_decompression.opj_read_header =
303 (OPJ_BOOL(*)(struct opj_stream_private *,
304 void *,
305 opj_image_t **,
306 struct opj_event_mgr *)) opj_jp2_read_header;
307
308 l_codec->m_codec_data.m_decompression.opj_read_tile_header =
309 (OPJ_BOOL(*)(void *,
310 OPJ_UINT32*,
311 OPJ_UINT32*,
312 OPJ_INT32*,
313 OPJ_INT32*,
314 OPJ_INT32 *,
315 OPJ_INT32 *,
316 OPJ_UINT32 *,
317 OPJ_BOOL *,
318 struct opj_stream_private *,
319 struct opj_event_mgr *)) opj_jp2_read_tile_header;
320
321 l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
322 (OPJ_BOOL(*)(void *,
323 OPJ_UINT32, OPJ_BYTE*, OPJ_UINT32,
324 struct opj_stream_private *,
325 struct opj_event_mgr *)) opj_jp2_decode_tile;
326
327 l_codec->m_codec_data.m_decompression.opj_destroy = (void (*)(
328 void *))opj_jp2_destroy;
329
330 l_codec->m_codec_data.m_decompression.opj_setup_decoder =
331 (void (*)(void *, opj_dparameters_t *)) opj_jp2_setup_decoder;
332
333 l_codec->m_codec_data.m_decompression.opj_decoder_set_strict_mode =
334 (void (*)(void *, OPJ_BOOL)) opj_jp2_decoder_set_strict_mode;
335
336 l_codec->m_codec_data.m_decompression.opj_set_decode_area =
337 (OPJ_BOOL(*)(void *,
338 opj_image_t*,
339 OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32,
340 struct opj_event_mgr *)) opj_jp2_set_decode_area;
341
342 l_codec->m_codec_data.m_decompression.opj_get_decoded_tile =
343 (OPJ_BOOL(*)(void *p_codec,
344 opj_stream_private_t *p_cio,
345 opj_image_t *p_image,
346 struct opj_event_mgr * p_manager,
347 OPJ_UINT32 tile_index)) opj_jp2_get_tile;
348
349 l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor =
350 (OPJ_BOOL(*)(void * p_codec,
351 OPJ_UINT32 res_factor,
352 opj_event_mgr_t * p_manager)) opj_jp2_set_decoded_resolution_factor;
353
354 l_codec->m_codec_data.m_decompression.opj_set_decoded_components =
355 (OPJ_BOOL(*)(void * p_codec,
356 OPJ_UINT32 numcomps,
357 const OPJ_UINT32 * comps_indices,
358 struct opj_event_mgr * p_manager)) opj_jp2_set_decoded_components;
359
360 l_codec->opj_set_threads =
361 (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_jp2_set_threads;
362
363 l_codec->m_codec = opj_jp2_create(OPJ_TRUE);
364
365 if (! l_codec->m_codec) {
366 opj_free(l_codec);
367 return 00;
368 }
369
370 break;
371 case OPJ_CODEC_UNKNOWN:
372 case OPJ_CODEC_JPT:
373 default:
374 opj_free(l_codec);
375 return 00;
376 }
377
378 opj_set_default_event_handler(&(l_codec->m_event_mgr));
379 return (opj_codec_t*) l_codec;
380 }
381
opj_set_default_decoder_parameters(opj_dparameters_t * parameters)382 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t
383 *parameters)
384 {
385 if (parameters) {
386 memset(parameters, 0, sizeof(opj_dparameters_t));
387 /* default decoding parameters */
388 parameters->cp_layer = 0;
389 parameters->cp_reduce = 0;
390
391 parameters->decod_format = -1;
392 parameters->cod_format = -1;
393 parameters->flags = 0;
394 /* UniPG>> */
395 #ifdef USE_JPWL
396 parameters->jpwl_correct = OPJ_FALSE;
397 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
398 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
399 #endif /* USE_JPWL */
400 /* <<UniPG */
401 }
402 }
403
404
opj_codec_set_threads(opj_codec_t * p_codec,int num_threads)405 OPJ_BOOL OPJ_CALLCONV opj_codec_set_threads(opj_codec_t *p_codec,
406 int num_threads)
407 {
408 if (p_codec && (num_threads >= 0)) {
409 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
410
411 return l_codec->opj_set_threads(l_codec->m_codec, (OPJ_UINT32)num_threads);
412 }
413 return OPJ_FALSE;
414 }
415
opj_setup_decoder(opj_codec_t * p_codec,opj_dparameters_t * parameters)416 OPJ_BOOL OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec,
417 opj_dparameters_t *parameters
418 )
419 {
420 if (p_codec && parameters) {
421 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
422
423 if (! l_codec->is_decompressor) {
424 opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
425 "Codec provided to the opj_setup_decoder function is not a decompressor handler.\n");
426 return OPJ_FALSE;
427 }
428
429 l_codec->m_codec_data.m_decompression.opj_setup_decoder(l_codec->m_codec,
430 parameters);
431 return OPJ_TRUE;
432 }
433 return OPJ_FALSE;
434 }
435
opj_decoder_set_strict_mode(opj_codec_t * p_codec,OPJ_BOOL strict)436 OPJ_API OPJ_BOOL OPJ_CALLCONV opj_decoder_set_strict_mode(opj_codec_t *p_codec,
437 OPJ_BOOL strict)
438 {
439 if (p_codec) {
440 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
441
442 if (! l_codec->is_decompressor) {
443 opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
444 "Codec provided to the opj_decoder_set_strict_mode function is not a decompressor handler.\n");
445 return OPJ_FALSE;
446 }
447
448 l_codec->m_codec_data.m_decompression.opj_decoder_set_strict_mode(
449 l_codec->m_codec,
450 strict);
451 return OPJ_TRUE;
452 }
453 return OPJ_FALSE;
454 }
455
opj_read_header(opj_stream_t * p_stream,opj_codec_t * p_codec,opj_image_t ** p_image)456 OPJ_BOOL OPJ_CALLCONV opj_read_header(opj_stream_t *p_stream,
457 opj_codec_t *p_codec,
458 opj_image_t **p_image)
459 {
460 if (p_codec && p_stream) {
461 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
462 opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream;
463
464 if (! l_codec->is_decompressor) {
465 opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
466 "Codec provided to the opj_read_header function is not a decompressor handler.\n");
467 return OPJ_FALSE;
468 }
469
470 return l_codec->m_codec_data.m_decompression.opj_read_header(l_stream,
471 l_codec->m_codec,
472 p_image,
473 &(l_codec->m_event_mgr));
474 }
475
476 return OPJ_FALSE;
477 }
478
479
opj_set_decoded_components(opj_codec_t * p_codec,OPJ_UINT32 numcomps,const OPJ_UINT32 * comps_indices,OPJ_BOOL apply_color_transforms)480 OPJ_BOOL OPJ_CALLCONV opj_set_decoded_components(opj_codec_t *p_codec,
481 OPJ_UINT32 numcomps,
482 const OPJ_UINT32* comps_indices,
483 OPJ_BOOL apply_color_transforms)
484 {
485 if (p_codec) {
486 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
487
488 if (! l_codec->is_decompressor) {
489 opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
490 "Codec provided to the opj_set_decoded_components function is not a decompressor handler.\n");
491 return OPJ_FALSE;
492 }
493
494 if (apply_color_transforms) {
495 opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
496 "apply_color_transforms = OPJ_TRUE is not supported.\n");
497 return OPJ_FALSE;
498 }
499
500 return l_codec->m_codec_data.m_decompression.opj_set_decoded_components(
501 l_codec->m_codec,
502 numcomps,
503 comps_indices,
504 &(l_codec->m_event_mgr));
505 }
506 return OPJ_FALSE;
507 }
508
opj_decode(opj_codec_t * p_codec,opj_stream_t * p_stream,opj_image_t * p_image)509 OPJ_BOOL OPJ_CALLCONV opj_decode(opj_codec_t *p_codec,
510 opj_stream_t *p_stream,
511 opj_image_t* p_image)
512 {
513 if (p_codec && p_stream) {
514 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
515 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
516
517 if (! l_codec->is_decompressor) {
518 return OPJ_FALSE;
519 }
520
521 return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec,
522 l_stream,
523 p_image,
524 &(l_codec->m_event_mgr));
525 }
526
527 return OPJ_FALSE;
528 }
529
opj_set_decode_area(opj_codec_t * p_codec,opj_image_t * p_image,OPJ_INT32 p_start_x,OPJ_INT32 p_start_y,OPJ_INT32 p_end_x,OPJ_INT32 p_end_y)530 OPJ_BOOL OPJ_CALLCONV opj_set_decode_area(opj_codec_t *p_codec,
531 opj_image_t* p_image,
532 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
533 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
534 )
535 {
536 if (p_codec) {
537 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
538
539 if (! l_codec->is_decompressor) {
540 return OPJ_FALSE;
541 }
542
543 return l_codec->m_codec_data.m_decompression.opj_set_decode_area(
544 l_codec->m_codec,
545 p_image,
546 p_start_x, p_start_y,
547 p_end_x, p_end_y,
548 &(l_codec->m_event_mgr));
549 }
550 return OPJ_FALSE;
551 }
552
opj_read_tile_header(opj_codec_t * p_codec,opj_stream_t * p_stream,OPJ_UINT32 * p_tile_index,OPJ_UINT32 * p_data_size,OPJ_INT32 * p_tile_x0,OPJ_INT32 * p_tile_y0,OPJ_INT32 * p_tile_x1,OPJ_INT32 * p_tile_y1,OPJ_UINT32 * p_nb_comps,OPJ_BOOL * p_should_go_on)553 OPJ_BOOL OPJ_CALLCONV opj_read_tile_header(opj_codec_t *p_codec,
554 opj_stream_t * p_stream,
555 OPJ_UINT32 * p_tile_index,
556 OPJ_UINT32 * p_data_size,
557 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
558 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
559 OPJ_UINT32 * p_nb_comps,
560 OPJ_BOOL * p_should_go_on)
561 {
562 if (p_codec && p_stream && p_data_size && p_tile_index) {
563 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
564 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
565
566 if (! l_codec->is_decompressor) {
567 return OPJ_FALSE;
568 }
569
570 return l_codec->m_codec_data.m_decompression.opj_read_tile_header(
571 l_codec->m_codec,
572 p_tile_index,
573 p_data_size,
574 p_tile_x0, p_tile_y0,
575 p_tile_x1, p_tile_y1,
576 p_nb_comps,
577 p_should_go_on,
578 l_stream,
579 &(l_codec->m_event_mgr));
580 }
581 return OPJ_FALSE;
582 }
583
opj_decode_tile_data(opj_codec_t * p_codec,OPJ_UINT32 p_tile_index,OPJ_BYTE * p_data,OPJ_UINT32 p_data_size,opj_stream_t * p_stream)584 OPJ_BOOL OPJ_CALLCONV opj_decode_tile_data(opj_codec_t *p_codec,
585 OPJ_UINT32 p_tile_index,
586 OPJ_BYTE * p_data,
587 OPJ_UINT32 p_data_size,
588 opj_stream_t *p_stream
589 )
590 {
591 if (p_codec && p_data && p_stream) {
592 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
593 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
594
595 if (! l_codec->is_decompressor) {
596 return OPJ_FALSE;
597 }
598
599 return l_codec->m_codec_data.m_decompression.opj_decode_tile_data(
600 l_codec->m_codec,
601 p_tile_index,
602 p_data,
603 p_data_size,
604 l_stream,
605 &(l_codec->m_event_mgr));
606 }
607 return OPJ_FALSE;
608 }
609
opj_get_decoded_tile(opj_codec_t * p_codec,opj_stream_t * p_stream,opj_image_t * p_image,OPJ_UINT32 tile_index)610 OPJ_BOOL OPJ_CALLCONV opj_get_decoded_tile(opj_codec_t *p_codec,
611 opj_stream_t *p_stream,
612 opj_image_t *p_image,
613 OPJ_UINT32 tile_index)
614 {
615 if (p_codec && p_stream) {
616 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
617 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
618
619 if (! l_codec->is_decompressor) {
620 return OPJ_FALSE;
621 }
622
623 return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile(
624 l_codec->m_codec,
625 l_stream,
626 p_image,
627 &(l_codec->m_event_mgr),
628 tile_index);
629 }
630
631 return OPJ_FALSE;
632 }
633
opj_set_decoded_resolution_factor(opj_codec_t * p_codec,OPJ_UINT32 res_factor)634 OPJ_BOOL OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec,
635 OPJ_UINT32 res_factor)
636 {
637 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
638
639 if (!l_codec) {
640 return OPJ_FALSE;
641 }
642
643 return l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(
644 l_codec->m_codec,
645 res_factor,
646 &(l_codec->m_event_mgr));
647 }
648
649 /* ---------------------------------------------------------------------- */
650 /* COMPRESSION FUNCTIONS*/
651
opj_create_compress(OPJ_CODEC_FORMAT p_format)652 opj_codec_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT p_format)
653 {
654 opj_codec_private_t *l_codec = 00;
655
656 l_codec = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t));
657 if (!l_codec) {
658 return 00;
659 }
660
661 l_codec->is_decompressor = 0;
662
663 switch (p_format) {
664 case OPJ_CODEC_J2K:
665 l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL(*)(void *,
666 struct opj_stream_private *,
667 struct opj_event_mgr *)) opj_j2k_encode;
668
669 l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL(*)(void *,
670 struct opj_stream_private *,
671 struct opj_event_mgr *)) opj_j2k_end_compress;
672
673 l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL(*)(void *,
674 struct opj_stream_private *,
675 struct opj_image *,
676 struct opj_event_mgr *)) opj_j2k_start_compress;
677
678 l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL(*)(void *,
679 OPJ_UINT32,
680 OPJ_BYTE*,
681 OPJ_UINT32,
682 struct opj_stream_private *,
683 struct opj_event_mgr *)) opj_j2k_write_tile;
684
685 l_codec->m_codec_data.m_compression.opj_destroy = (void (*)(
686 void *)) opj_j2k_destroy;
687
688 l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL(*)(void *,
689 opj_cparameters_t *,
690 struct opj_image *,
691 struct opj_event_mgr *)) opj_j2k_setup_encoder;
692
693 l_codec->m_codec_data.m_compression.opj_encoder_set_extra_options = (OPJ_BOOL(
694 *)(void *,
695 const char* const*,
696 struct opj_event_mgr *)) opj_j2k_encoder_set_extra_options;
697
698 l_codec->opj_set_threads =
699 (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_j2k_set_threads;
700
701 l_codec->m_codec = opj_j2k_create_compress();
702 if (! l_codec->m_codec) {
703 opj_free(l_codec);
704 return 00;
705 }
706
707 break;
708
709 case OPJ_CODEC_JP2:
710 /* get a JP2 decoder handle */
711 l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL(*)(void *,
712 struct opj_stream_private *,
713 struct opj_event_mgr *)) opj_jp2_encode;
714
715 l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL(*)(void *,
716 struct opj_stream_private *,
717 struct opj_event_mgr *)) opj_jp2_end_compress;
718
719 l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL(*)(void *,
720 struct opj_stream_private *,
721 struct opj_image *,
722 struct opj_event_mgr *)) opj_jp2_start_compress;
723
724 l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL(*)(void *,
725 OPJ_UINT32,
726 OPJ_BYTE*,
727 OPJ_UINT32,
728 struct opj_stream_private *,
729 struct opj_event_mgr *)) opj_jp2_write_tile;
730
731 l_codec->m_codec_data.m_compression.opj_destroy = (void (*)(
732 void *)) opj_jp2_destroy;
733
734 l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL(*)(void *,
735 opj_cparameters_t *,
736 struct opj_image *,
737 struct opj_event_mgr *)) opj_jp2_setup_encoder;
738
739 l_codec->m_codec_data.m_compression.opj_encoder_set_extra_options = (OPJ_BOOL(
740 *)(void *,
741 const char* const*,
742 struct opj_event_mgr *)) opj_jp2_encoder_set_extra_options;
743
744 l_codec->opj_set_threads =
745 (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_jp2_set_threads;
746
747 l_codec->m_codec = opj_jp2_create(OPJ_FALSE);
748 if (! l_codec->m_codec) {
749 opj_free(l_codec);
750 return 00;
751 }
752
753 break;
754
755 case OPJ_CODEC_UNKNOWN:
756 case OPJ_CODEC_JPT:
757 default:
758 opj_free(l_codec);
759 return 00;
760 }
761
762 opj_set_default_event_handler(&(l_codec->m_event_mgr));
763 return (opj_codec_t*) l_codec;
764 }
765
opj_set_default_encoder_parameters(opj_cparameters_t * parameters)766 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t
767 *parameters)
768 {
769 if (parameters) {
770 memset(parameters, 0, sizeof(opj_cparameters_t));
771 /* default coding parameters */
772 parameters->cp_cinema = OPJ_OFF; /* DEPRECATED */
773 parameters->rsiz = OPJ_PROFILE_NONE;
774 parameters->max_comp_size = 0;
775 parameters->numresolution = OPJ_COMP_PARAM_DEFAULT_NUMRESOLUTION;
776 parameters->cp_rsiz = OPJ_STD_RSIZ; /* DEPRECATED */
777 parameters->cblockw_init = OPJ_COMP_PARAM_DEFAULT_CBLOCKW;
778 parameters->cblockh_init = OPJ_COMP_PARAM_DEFAULT_CBLOCKH;
779 parameters->prog_order = OPJ_COMP_PARAM_DEFAULT_PROG_ORDER;
780 parameters->roi_compno = -1; /* no ROI */
781 parameters->subsampling_dx = 1;
782 parameters->subsampling_dy = 1;
783 parameters->tp_on = 0;
784 parameters->decod_format = -1;
785 parameters->cod_format = -1;
786 parameters->tcp_rates[0] = 0;
787 parameters->tcp_numlayers = 0;
788 parameters->cp_disto_alloc = 0;
789 parameters->cp_fixed_alloc = 0;
790 parameters->cp_fixed_quality = 0;
791 parameters->jpip_on = OPJ_FALSE;
792 /* UniPG>> */
793 #ifdef USE_JPWL
794 parameters->jpwl_epc_on = OPJ_FALSE;
795 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
796 {
797 int i;
798 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
799 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
800 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
801 }
802 };
803 {
804 int i;
805 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
806 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
807 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
808 parameters->jpwl_pprot[i] = 0; /* absent */
809 }
810 };
811 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
812 parameters->jpwl_sens_addr = 0; /* 0 means auto */
813 parameters->jpwl_sens_range = 0; /* 0 means packet */
814 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
815 {
816 int i;
817 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
818 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
819 parameters->jpwl_sens_TPH[i] = -1; /* absent */
820 }
821 };
822 #endif /* USE_JPWL */
823 /* <<UniPG */
824 }
825 }
826
opj_setup_encoder(opj_codec_t * p_codec,opj_cparameters_t * parameters,opj_image_t * p_image)827 OPJ_BOOL OPJ_CALLCONV opj_setup_encoder(opj_codec_t *p_codec,
828 opj_cparameters_t *parameters,
829 opj_image_t *p_image)
830 {
831 if (p_codec && parameters && p_image) {
832 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
833
834 if (! l_codec->is_decompressor) {
835 return l_codec->m_codec_data.m_compression.opj_setup_encoder(l_codec->m_codec,
836 parameters,
837 p_image,
838 &(l_codec->m_event_mgr));
839 }
840 }
841
842 return OPJ_FALSE;
843 }
844
845 /* ----------------------------------------------------------------------- */
846
opj_encoder_set_extra_options(opj_codec_t * p_codec,const char * const * options)847 OPJ_BOOL OPJ_CALLCONV opj_encoder_set_extra_options(opj_codec_t *p_codec,
848 const char* const* options)
849 {
850 if (p_codec) {
851 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
852
853 if (! l_codec->is_decompressor) {
854 return l_codec->m_codec_data.m_compression.opj_encoder_set_extra_options(
855 l_codec->m_codec,
856 options,
857 &(l_codec->m_event_mgr));
858 }
859 }
860
861 return OPJ_FALSE;
862 }
863
864 /* ----------------------------------------------------------------------- */
865
opj_start_compress(opj_codec_t * p_codec,opj_image_t * p_image,opj_stream_t * p_stream)866 OPJ_BOOL OPJ_CALLCONV opj_start_compress(opj_codec_t *p_codec,
867 opj_image_t * p_image,
868 opj_stream_t *p_stream)
869 {
870 if (p_codec && p_stream) {
871 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
872 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
873
874 if (! l_codec->is_decompressor) {
875 return l_codec->m_codec_data.m_compression.opj_start_compress(l_codec->m_codec,
876 l_stream,
877 p_image,
878 &(l_codec->m_event_mgr));
879 }
880 }
881
882 return OPJ_FALSE;
883 }
884
opj_encode(opj_codec_t * p_info,opj_stream_t * p_stream)885 OPJ_BOOL OPJ_CALLCONV opj_encode(opj_codec_t *p_info, opj_stream_t *p_stream)
886 {
887 if (p_info && p_stream) {
888 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_info;
889 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
890
891 if (! l_codec->is_decompressor) {
892 return l_codec->m_codec_data.m_compression.opj_encode(l_codec->m_codec,
893 l_stream,
894 &(l_codec->m_event_mgr));
895 }
896 }
897
898 return OPJ_FALSE;
899
900 }
901
opj_end_compress(opj_codec_t * p_codec,opj_stream_t * p_stream)902 OPJ_BOOL OPJ_CALLCONV opj_end_compress(opj_codec_t *p_codec,
903 opj_stream_t *p_stream)
904 {
905 if (p_codec && p_stream) {
906 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
907 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
908
909 if (! l_codec->is_decompressor) {
910 return l_codec->m_codec_data.m_compression.opj_end_compress(l_codec->m_codec,
911 l_stream,
912 &(l_codec->m_event_mgr));
913 }
914 }
915 return OPJ_FALSE;
916
917 }
918
opj_end_decompress(opj_codec_t * p_codec,opj_stream_t * p_stream)919 OPJ_BOOL OPJ_CALLCONV opj_end_decompress(opj_codec_t *p_codec,
920 opj_stream_t *p_stream)
921 {
922 if (p_codec && p_stream) {
923 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
924 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
925
926 if (! l_codec->is_decompressor) {
927 return OPJ_FALSE;
928 }
929
930 return l_codec->m_codec_data.m_decompression.opj_end_decompress(
931 l_codec->m_codec,
932 l_stream,
933 &(l_codec->m_event_mgr));
934 }
935
936 return OPJ_FALSE;
937 }
938
opj_set_MCT(opj_cparameters_t * parameters,OPJ_FLOAT32 * pEncodingMatrix,OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp)939 OPJ_BOOL OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,
940 OPJ_FLOAT32 * pEncodingMatrix,
941 OPJ_INT32 * p_dc_shift, OPJ_UINT32 pNbComp)
942 {
943 OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
944 OPJ_UINT32 l_dc_shift_size = pNbComp * (OPJ_UINT32)sizeof(OPJ_INT32);
945 OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
946
947 /* add MCT capability */
948 if (OPJ_IS_PART2(parameters->rsiz)) {
949 parameters->rsiz |= OPJ_EXTENSION_MCT;
950 } else {
951 parameters->rsiz = ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT));
952 }
953 parameters->irreversible = 1;
954
955 /* use array based MCT */
956 parameters->tcp_mct = 2;
957 parameters->mct_data = opj_malloc(l_mct_total_size);
958 if (! parameters->mct_data) {
959 return OPJ_FALSE;
960 }
961
962 memcpy(parameters->mct_data, pEncodingMatrix, l_matrix_size);
963 memcpy(((OPJ_BYTE *) parameters->mct_data) + l_matrix_size, p_dc_shift,
964 l_dc_shift_size);
965
966 return OPJ_TRUE;
967 }
968
opj_write_tile(opj_codec_t * p_codec,OPJ_UINT32 p_tile_index,OPJ_BYTE * p_data,OPJ_UINT32 p_data_size,opj_stream_t * p_stream)969 OPJ_BOOL OPJ_CALLCONV opj_write_tile(opj_codec_t *p_codec,
970 OPJ_UINT32 p_tile_index,
971 OPJ_BYTE * p_data,
972 OPJ_UINT32 p_data_size,
973 opj_stream_t *p_stream)
974 {
975 if (p_codec && p_stream && p_data) {
976 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
977 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
978
979 if (l_codec->is_decompressor) {
980 return OPJ_FALSE;
981 }
982
983 return l_codec->m_codec_data.m_compression.opj_write_tile(l_codec->m_codec,
984 p_tile_index,
985 p_data,
986 p_data_size,
987 l_stream,
988 &(l_codec->m_event_mgr));
989 }
990
991 return OPJ_FALSE;
992 }
993
994 /* ---------------------------------------------------------------------- */
995
opj_destroy_codec(opj_codec_t * p_codec)996 void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
997 {
998 if (p_codec) {
999 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1000
1001 if (l_codec->is_decompressor) {
1002 l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec);
1003 } else {
1004 l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec);
1005 }
1006
1007 l_codec->m_codec = 00;
1008 opj_free(l_codec);
1009 }
1010 }
1011
1012 /* ---------------------------------------------------------------------- */
1013
opj_dump_codec(opj_codec_t * p_codec,OPJ_INT32 info_flag,FILE * output_stream)1014 void OPJ_CALLCONV opj_dump_codec(opj_codec_t *p_codec,
1015 OPJ_INT32 info_flag,
1016 FILE* output_stream)
1017 {
1018 if (p_codec) {
1019 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
1020
1021 l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
1022 return;
1023 }
1024
1025 /* TODO return error */
1026 /* fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n"); */
1027 return;
1028 }
1029
opj_get_cstr_info(opj_codec_t * p_codec)1030 opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
1031 {
1032 if (p_codec) {
1033 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
1034
1035 return l_codec->opj_get_codec_info(l_codec->m_codec);
1036 }
1037
1038 return NULL;
1039 }
1040
opj_destroy_cstr_info(opj_codestream_info_v2_t ** cstr_info)1041 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_v2_t **cstr_info)
1042 {
1043 if (cstr_info) {
1044
1045 if ((*cstr_info)->m_default_tile_info.tccp_info) {
1046 opj_free((*cstr_info)->m_default_tile_info.tccp_info);
1047 }
1048
1049 if ((*cstr_info)->tile_info) {
1050 /* FIXME not used for the moment*/
1051 }
1052
1053 opj_free((*cstr_info));
1054 (*cstr_info) = NULL;
1055 }
1056 }
1057
opj_get_cstr_index(opj_codec_t * p_codec)1058 opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
1059 {
1060 if (p_codec) {
1061 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
1062
1063 return l_codec->opj_get_codec_index(l_codec->m_codec);
1064 }
1065
1066 return NULL;
1067 }
1068
opj_destroy_cstr_index(opj_codestream_index_t ** p_cstr_index)1069 void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index)
1070 {
1071 if (*p_cstr_index) {
1072 j2k_destroy_cstr_index(*p_cstr_index);
1073 (*p_cstr_index) = NULL;
1074 }
1075 }
1076
opj_stream_create_default_file_stream(const char * fname,OPJ_BOOL p_is_read_stream)1077 opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream(
1078 const char *fname, OPJ_BOOL p_is_read_stream)
1079 {
1080 return opj_stream_create_file_stream(fname, OPJ_J2K_STREAM_CHUNK_SIZE,
1081 p_is_read_stream);
1082 }
1083
opj_stream_create_file_stream(const char * fname,OPJ_SIZE_T p_size,OPJ_BOOL p_is_read_stream)1084 opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream(
1085 const char *fname,
1086 OPJ_SIZE_T p_size,
1087 OPJ_BOOL p_is_read_stream)
1088 {
1089 opj_stream_t* l_stream = 00;
1090 FILE *p_file;
1091 const char *mode;
1092
1093 if (! fname) {
1094 return NULL;
1095 }
1096
1097 if (p_is_read_stream) {
1098 mode = "rb";
1099 } else {
1100 mode = "wb";
1101 }
1102
1103 p_file = fopen(fname, mode);
1104
1105 if (! p_file) {
1106 return NULL;
1107 }
1108
1109 l_stream = opj_stream_create(p_size, p_is_read_stream);
1110 if (! l_stream) {
1111 fclose(p_file);
1112 return NULL;
1113 }
1114
1115 opj_stream_set_user_data(l_stream, p_file, opj_close_from_file);
1116 opj_stream_set_user_data_length(l_stream,
1117 opj_get_data_length_from_file(p_file));
1118 opj_stream_set_read_function(l_stream, opj_read_from_file);
1119 opj_stream_set_write_function(l_stream,
1120 (opj_stream_write_fn) opj_write_from_file);
1121 opj_stream_set_skip_function(l_stream, opj_skip_from_file);
1122 opj_stream_set_seek_function(l_stream, opj_seek_from_file);
1123
1124 return l_stream;
1125 }
1126
1127
opj_image_data_alloc(OPJ_SIZE_T size)1128 void* OPJ_CALLCONV opj_image_data_alloc(OPJ_SIZE_T size)
1129 {
1130 void* ret = opj_aligned_malloc(size);
1131 /* printf("opj_image_data_alloc %p\n", ret); */
1132 return ret;
1133 }
1134
opj_image_data_free(void * ptr)1135 void OPJ_CALLCONV opj_image_data_free(void* ptr)
1136 {
1137 /* printf("opj_image_data_free %p\n", ptr); */
1138 opj_aligned_free(ptr);
1139 }
1140