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.
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.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
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.
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.
38 #include "opj_includes.h"
41 /* ---------------------------------------------------------------------- */
42 /* Functions to set the message handlers */
44 OPJ_BOOL OPJ_CALLCONV opj_set_info_handler(opj_codec_t * p_codec,
45 opj_msg_callback p_callback,
48 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
53 l_codec->m_event_mgr.info_handler = p_callback;
54 l_codec->m_event_mgr.m_info_data = p_user_data;
59 OPJ_BOOL OPJ_CALLCONV opj_set_warning_handler(opj_codec_t * p_codec,
60 opj_msg_callback p_callback,
63 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
68 l_codec->m_event_mgr.warning_handler = p_callback;
69 l_codec->m_event_mgr.m_warning_data = p_user_data;
74 OPJ_BOOL OPJ_CALLCONV opj_set_error_handler(opj_codec_t * p_codec,
75 opj_msg_callback p_callback,
78 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
83 l_codec->m_event_mgr.error_handler = p_callback;
84 l_codec->m_event_mgr.m_error_data = p_user_data;
89 /* ---------------------------------------------------------------------- */
91 static OPJ_SIZE_T opj_read_from_file(void * p_buffer, OPJ_SIZE_T p_nb_bytes,
94 OPJ_SIZE_T l_nb_read = fread(p_buffer, 1, p_nb_bytes, p_file);
95 return l_nb_read ? l_nb_read : (OPJ_SIZE_T) - 1;
98 static OPJ_UINT64 opj_get_data_length_from_file(FILE * p_file)
100 OPJ_OFF_T file_length = 0;
102 OPJ_FSEEK(p_file, 0, SEEK_END);
103 file_length = (OPJ_OFF_T)OPJ_FTELL(p_file);
104 OPJ_FSEEK(p_file, 0, SEEK_SET);
106 return (OPJ_UINT64)file_length;
109 static OPJ_SIZE_T opj_write_from_file(void * p_buffer, OPJ_SIZE_T p_nb_bytes,
112 return fwrite(p_buffer, 1, p_nb_bytes, p_file);
115 static OPJ_OFF_T opj_skip_from_file(OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
117 if (OPJ_FSEEK(p_user_data, p_nb_bytes, SEEK_CUR)) {
124 static OPJ_BOOL opj_seek_from_file(OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
126 if (OPJ_FSEEK(p_user_data, p_nb_bytes, SEEK_SET)) {
133 /* ---------------------------------------------------------------------- */
137 DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
140 OPJ_ARG_NOT_USED(lpReserved);
141 OPJ_ARG_NOT_USED(hModule);
143 switch (ul_reason_for_call) {
144 case DLL_PROCESS_ATTACH :
146 case DLL_PROCESS_DETACH :
148 case DLL_THREAD_ATTACH :
149 case DLL_THREAD_DETACH :
155 #endif /* OPJ_STATIC */
158 /* ---------------------------------------------------------------------- */
160 const char* OPJ_CALLCONV opj_version(void)
162 return OPJ_PACKAGE_VERSION;
165 /* ---------------------------------------------------------------------- */
166 /* DECOMPRESSION FUNCTIONS*/
168 opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format)
170 opj_codec_private_t *l_codec = 00;
172 l_codec = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
177 l_codec->is_decompressor = 1;
181 l_codec->opj_dump_codec = (void (*)(void*, OPJ_INT32, FILE*)) j2k_dump;
183 l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*)(
184 void*)) j2k_get_cstr_info;
186 l_codec->opj_get_codec_index = (opj_codestream_index_t* (*)(
187 void*)) j2k_get_cstr_index;
189 l_codec->m_codec_data.m_decompression.opj_decode =
191 struct opj_stream_private *,
192 opj_image_t*, struct opj_event_mgr *)) opj_j2k_decode;
194 l_codec->m_codec_data.m_decompression.opj_end_decompress =
196 struct opj_stream_private *,
197 struct opj_event_mgr *)) opj_j2k_end_decompress;
199 l_codec->m_codec_data.m_decompression.opj_read_header =
200 (OPJ_BOOL(*)(struct opj_stream_private *,
203 struct opj_event_mgr *)) opj_j2k_read_header;
205 l_codec->m_codec_data.m_decompression.opj_destroy =
206 (void (*)(void *))opj_j2k_destroy;
208 l_codec->m_codec_data.m_decompression.opj_setup_decoder =
209 (void (*)(void *, opj_dparameters_t *)) opj_j2k_setup_decoder;
211 l_codec->m_codec_data.m_decompression.opj_read_tile_header =
215 OPJ_INT32*, OPJ_INT32*,
216 OPJ_INT32*, OPJ_INT32*,
219 struct opj_stream_private *,
220 struct opj_event_mgr *)) opj_j2k_read_tile_header;
222 l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
227 struct opj_stream_private *,
228 struct opj_event_mgr *)) opj_j2k_decode_tile;
230 l_codec->m_codec_data.m_decompression.opj_set_decode_area =
233 OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32,
234 struct opj_event_mgr *)) opj_j2k_set_decode_area;
236 l_codec->m_codec_data.m_decompression.opj_get_decoded_tile =
237 (OPJ_BOOL(*)(void *p_codec,
238 opj_stream_private_t *p_cio,
239 opj_image_t *p_image,
240 struct opj_event_mgr * p_manager,
241 OPJ_UINT32 tile_index)) opj_j2k_get_tile;
243 l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor =
244 (OPJ_BOOL(*)(void * p_codec,
245 OPJ_UINT32 res_factor,
246 struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_resolution_factor;
248 l_codec->opj_set_threads =
249 (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_j2k_set_threads;
251 l_codec->m_codec = opj_j2k_create_decompress();
253 if (! l_codec->m_codec) {
261 /* get a JP2 decoder handle */
262 l_codec->opj_dump_codec = (void (*)(void*, OPJ_INT32, FILE*)) jp2_dump;
264 l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*)(
265 void*)) jp2_get_cstr_info;
267 l_codec->opj_get_codec_index = (opj_codestream_index_t* (*)(
268 void*)) jp2_get_cstr_index;
270 l_codec->m_codec_data.m_decompression.opj_decode =
272 struct opj_stream_private *,
274 struct opj_event_mgr *)) opj_jp2_decode;
276 l_codec->m_codec_data.m_decompression.opj_end_decompress =
278 struct opj_stream_private *,
279 struct opj_event_mgr *)) opj_jp2_end_decompress;
281 l_codec->m_codec_data.m_decompression.opj_read_header =
282 (OPJ_BOOL(*)(struct opj_stream_private *,
285 struct opj_event_mgr *)) opj_jp2_read_header;
287 l_codec->m_codec_data.m_decompression.opj_read_tile_header =
297 struct opj_stream_private *,
298 struct opj_event_mgr *)) opj_jp2_read_tile_header;
300 l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
302 OPJ_UINT32, OPJ_BYTE*, OPJ_UINT32,
303 struct opj_stream_private *,
304 struct opj_event_mgr *)) opj_jp2_decode_tile;
306 l_codec->m_codec_data.m_decompression.opj_destroy = (void (*)(
307 void *))opj_jp2_destroy;
309 l_codec->m_codec_data.m_decompression.opj_setup_decoder =
310 (void (*)(void *, opj_dparameters_t *)) opj_jp2_setup_decoder;
312 l_codec->m_codec_data.m_decompression.opj_set_decode_area =
315 OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32,
316 struct opj_event_mgr *)) opj_jp2_set_decode_area;
318 l_codec->m_codec_data.m_decompression.opj_get_decoded_tile =
319 (OPJ_BOOL(*)(void *p_codec,
320 opj_stream_private_t *p_cio,
321 opj_image_t *p_image,
322 struct opj_event_mgr * p_manager,
323 OPJ_UINT32 tile_index)) opj_jp2_get_tile;
325 l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor =
326 (OPJ_BOOL(*)(void * p_codec,
327 OPJ_UINT32 res_factor,
328 opj_event_mgr_t * p_manager)) opj_jp2_set_decoded_resolution_factor;
330 l_codec->opj_set_threads =
331 (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_jp2_set_threads;
333 l_codec->m_codec = opj_jp2_create(OPJ_TRUE);
335 if (! l_codec->m_codec) {
341 case OPJ_CODEC_UNKNOWN:
348 opj_set_default_event_handler(&(l_codec->m_event_mgr));
349 return (opj_codec_t*) l_codec;
352 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t
356 memset(parameters, 0, sizeof(opj_dparameters_t));
357 /* default decoding parameters */
358 parameters->cp_layer = 0;
359 parameters->cp_reduce = 0;
361 parameters->decod_format = -1;
362 parameters->cod_format = -1;
363 parameters->flags = 0;
366 parameters->jpwl_correct = OPJ_FALSE;
367 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
368 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
369 #endif /* USE_JPWL */
375 OPJ_BOOL OPJ_CALLCONV opj_codec_set_threads(opj_codec_t *p_codec,
378 if (p_codec && (num_threads >= 0)) {
379 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
381 return l_codec->opj_set_threads(l_codec->m_codec, (OPJ_UINT32)num_threads);
386 OPJ_BOOL OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec,
387 opj_dparameters_t *parameters
390 if (p_codec && parameters) {
391 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
393 if (! l_codec->is_decompressor) {
394 opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
395 "Codec provided to the opj_setup_decoder function is not a decompressor handler.\n");
399 l_codec->m_codec_data.m_decompression.opj_setup_decoder(l_codec->m_codec,
406 OPJ_BOOL OPJ_CALLCONV opj_read_header(opj_stream_t *p_stream,
407 opj_codec_t *p_codec,
408 opj_image_t **p_image)
410 if (p_codec && p_stream) {
411 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
412 opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream;
414 if (! l_codec->is_decompressor) {
415 opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
416 "Codec provided to the opj_read_header function is not a decompressor handler.\n");
420 return l_codec->m_codec_data.m_decompression.opj_read_header(l_stream,
423 &(l_codec->m_event_mgr));
429 OPJ_BOOL OPJ_CALLCONV opj_decode(opj_codec_t *p_codec,
430 opj_stream_t *p_stream,
431 opj_image_t* p_image)
433 if (p_codec && p_stream) {
434 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
435 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
437 if (! l_codec->is_decompressor) {
441 return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec,
444 &(l_codec->m_event_mgr));
450 OPJ_BOOL OPJ_CALLCONV opj_set_decode_area(opj_codec_t *p_codec,
451 opj_image_t* p_image,
452 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
453 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
457 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
459 if (! l_codec->is_decompressor) {
463 return l_codec->m_codec_data.m_decompression.opj_set_decode_area(
466 p_start_x, p_start_y,
468 &(l_codec->m_event_mgr));
473 OPJ_BOOL OPJ_CALLCONV opj_read_tile_header(opj_codec_t *p_codec,
474 opj_stream_t * p_stream,
475 OPJ_UINT32 * p_tile_index,
476 OPJ_UINT32 * p_data_size,
477 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
478 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
479 OPJ_UINT32 * p_nb_comps,
480 OPJ_BOOL * p_should_go_on)
482 if (p_codec && p_stream && p_data_size && p_tile_index) {
483 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
484 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
486 if (! l_codec->is_decompressor) {
490 return l_codec->m_codec_data.m_decompression.opj_read_tile_header(
494 p_tile_x0, p_tile_y0,
495 p_tile_x1, p_tile_y1,
499 &(l_codec->m_event_mgr));
504 OPJ_BOOL OPJ_CALLCONV opj_decode_tile_data(opj_codec_t *p_codec,
505 OPJ_UINT32 p_tile_index,
507 OPJ_UINT32 p_data_size,
508 opj_stream_t *p_stream
511 if (p_codec && p_data && p_stream) {
512 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
513 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
515 if (! l_codec->is_decompressor) {
519 return l_codec->m_codec_data.m_decompression.opj_decode_tile_data(
525 &(l_codec->m_event_mgr));
530 OPJ_BOOL OPJ_CALLCONV opj_get_decoded_tile(opj_codec_t *p_codec,
531 opj_stream_t *p_stream,
532 opj_image_t *p_image,
533 OPJ_UINT32 tile_index)
535 if (p_codec && p_stream) {
536 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
537 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
539 if (! l_codec->is_decompressor) {
543 return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile(
547 &(l_codec->m_event_mgr),
554 OPJ_BOOL OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec,
555 OPJ_UINT32 res_factor)
557 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
563 return l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(
566 &(l_codec->m_event_mgr));
569 /* ---------------------------------------------------------------------- */
570 /* COMPRESSION FUNCTIONS*/
572 opj_codec_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT p_format)
574 opj_codec_private_t *l_codec = 00;
576 l_codec = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t));
581 l_codec->is_decompressor = 0;
585 l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL(*)(void *,
586 struct opj_stream_private *,
587 struct opj_event_mgr *)) opj_j2k_encode;
589 l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL(*)(void *,
590 struct opj_stream_private *,
591 struct opj_event_mgr *)) opj_j2k_end_compress;
593 l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL(*)(void *,
594 struct opj_stream_private *,
596 struct opj_event_mgr *)) opj_j2k_start_compress;
598 l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL(*)(void *,
602 struct opj_stream_private *,
603 struct opj_event_mgr *)) opj_j2k_write_tile;
605 l_codec->m_codec_data.m_compression.opj_destroy = (void (*)(
606 void *)) opj_j2k_destroy;
608 l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL(*)(void *,
611 struct opj_event_mgr *)) opj_j2k_setup_encoder;
613 l_codec->m_codec = opj_j2k_create_compress();
614 if (! l_codec->m_codec) {
622 /* get a JP2 decoder handle */
623 l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL(*)(void *,
624 struct opj_stream_private *,
625 struct opj_event_mgr *)) opj_jp2_encode;
627 l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL(*)(void *,
628 struct opj_stream_private *,
629 struct opj_event_mgr *)) opj_jp2_end_compress;
631 l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL(*)(void *,
632 struct opj_stream_private *,
634 struct opj_event_mgr *)) opj_jp2_start_compress;
636 l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL(*)(void *,
640 struct opj_stream_private *,
641 struct opj_event_mgr *)) opj_jp2_write_tile;
643 l_codec->m_codec_data.m_compression.opj_destroy = (void (*)(
644 void *)) opj_jp2_destroy;
646 l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL(*)(void *,
649 struct opj_event_mgr *)) opj_jp2_setup_encoder;
651 l_codec->m_codec = opj_jp2_create(OPJ_FALSE);
652 if (! l_codec->m_codec) {
659 case OPJ_CODEC_UNKNOWN:
666 opj_set_default_event_handler(&(l_codec->m_event_mgr));
667 return (opj_codec_t*) l_codec;
670 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t
674 memset(parameters, 0, sizeof(opj_cparameters_t));
675 /* default coding parameters */
676 parameters->cp_cinema = OPJ_OFF; /* DEPRECATED */
677 parameters->rsiz = OPJ_PROFILE_NONE;
678 parameters->max_comp_size = 0;
679 parameters->numresolution = 6;
680 parameters->cp_rsiz = OPJ_STD_RSIZ; /* DEPRECATED */
681 parameters->cblockw_init = 64;
682 parameters->cblockh_init = 64;
683 parameters->prog_order = OPJ_LRCP;
684 parameters->roi_compno = -1; /* no ROI */
685 parameters->subsampling_dx = 1;
686 parameters->subsampling_dy = 1;
687 parameters->tp_on = 0;
688 parameters->decod_format = -1;
689 parameters->cod_format = -1;
690 parameters->tcp_rates[0] = 0;
691 parameters->tcp_numlayers = 0;
692 parameters->cp_disto_alloc = 0;
693 parameters->cp_fixed_alloc = 0;
694 parameters->cp_fixed_quality = 0;
695 parameters->jpip_on = OPJ_FALSE;
698 parameters->jpwl_epc_on = OPJ_FALSE;
699 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
702 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
703 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
704 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
709 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
710 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
711 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
712 parameters->jpwl_pprot[i] = 0; /* absent */
715 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
716 parameters->jpwl_sens_addr = 0; /* 0 means auto */
717 parameters->jpwl_sens_range = 0; /* 0 means packet */
718 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
721 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
722 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
723 parameters->jpwl_sens_TPH[i] = -1; /* absent */
726 #endif /* USE_JPWL */
731 OPJ_BOOL OPJ_CALLCONV opj_setup_encoder(opj_codec_t *p_codec,
732 opj_cparameters_t *parameters,
733 opj_image_t *p_image)
735 if (p_codec && parameters && p_image) {
736 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
738 if (! l_codec->is_decompressor) {
739 return l_codec->m_codec_data.m_compression.opj_setup_encoder(l_codec->m_codec,
742 &(l_codec->m_event_mgr));
749 OPJ_BOOL OPJ_CALLCONV opj_start_compress(opj_codec_t *p_codec,
750 opj_image_t * p_image,
751 opj_stream_t *p_stream)
753 if (p_codec && p_stream) {
754 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
755 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
757 if (! l_codec->is_decompressor) {
758 return l_codec->m_codec_data.m_compression.opj_start_compress(l_codec->m_codec,
761 &(l_codec->m_event_mgr));
768 OPJ_BOOL OPJ_CALLCONV opj_encode(opj_codec_t *p_info, opj_stream_t *p_stream)
770 if (p_info && p_stream) {
771 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_info;
772 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
774 if (! l_codec->is_decompressor) {
775 return l_codec->m_codec_data.m_compression.opj_encode(l_codec->m_codec,
777 &(l_codec->m_event_mgr));
785 OPJ_BOOL OPJ_CALLCONV opj_end_compress(opj_codec_t *p_codec,
786 opj_stream_t *p_stream)
788 if (p_codec && p_stream) {
789 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
790 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
792 if (! l_codec->is_decompressor) {
793 return l_codec->m_codec_data.m_compression.opj_end_compress(l_codec->m_codec,
795 &(l_codec->m_event_mgr));
802 OPJ_BOOL OPJ_CALLCONV opj_end_decompress(opj_codec_t *p_codec,
803 opj_stream_t *p_stream)
805 if (p_codec && p_stream) {
806 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
807 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
809 if (! l_codec->is_decompressor) {
813 return l_codec->m_codec_data.m_decompression.opj_end_decompress(
816 &(l_codec->m_event_mgr));
822 OPJ_BOOL OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,
823 OPJ_FLOAT32 * pEncodingMatrix,
824 OPJ_INT32 * p_dc_shift, OPJ_UINT32 pNbComp)
826 OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
827 OPJ_UINT32 l_dc_shift_size = pNbComp * (OPJ_UINT32)sizeof(OPJ_INT32);
828 OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
830 /* add MCT capability */
831 if (OPJ_IS_PART2(parameters->rsiz)) {
832 parameters->rsiz |= OPJ_EXTENSION_MCT;
834 parameters->rsiz = ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT));
836 parameters->irreversible = 1;
838 /* use array based MCT */
839 parameters->tcp_mct = 2;
840 parameters->mct_data = opj_malloc(l_mct_total_size);
841 if (! parameters->mct_data) {
845 memcpy(parameters->mct_data, pEncodingMatrix, l_matrix_size);
846 memcpy(((OPJ_BYTE *) parameters->mct_data) + l_matrix_size, p_dc_shift,
852 OPJ_BOOL OPJ_CALLCONV opj_write_tile(opj_codec_t *p_codec,
853 OPJ_UINT32 p_tile_index,
855 OPJ_UINT32 p_data_size,
856 opj_stream_t *p_stream)
858 if (p_codec && p_stream && p_data) {
859 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
860 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
862 if (l_codec->is_decompressor) {
866 return l_codec->m_codec_data.m_compression.opj_write_tile(l_codec->m_codec,
871 &(l_codec->m_event_mgr));
877 /* ---------------------------------------------------------------------- */
879 void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
882 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
884 if (l_codec->is_decompressor) {
885 l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec);
887 l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec);
890 l_codec->m_codec = 00;
895 /* ---------------------------------------------------------------------- */
897 void OPJ_CALLCONV opj_dump_codec(opj_codec_t *p_codec,
902 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
904 l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
908 /* TODO return error */
909 /* fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n"); */
913 opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
916 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
918 return l_codec->opj_get_codec_info(l_codec->m_codec);
924 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_v2_t **cstr_info)
928 if ((*cstr_info)->m_default_tile_info.tccp_info) {
929 opj_free((*cstr_info)->m_default_tile_info.tccp_info);
932 if ((*cstr_info)->tile_info) {
933 /* FIXME not used for the moment*/
936 opj_free((*cstr_info));
941 opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
944 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
946 return l_codec->opj_get_codec_index(l_codec->m_codec);
952 void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index)
955 j2k_destroy_cstr_index(*p_cstr_index);
956 (*p_cstr_index) = NULL;
960 opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream(
961 const char *fname, OPJ_BOOL p_is_read_stream)
963 return opj_stream_create_file_stream(fname, OPJ_J2K_STREAM_CHUNK_SIZE,
967 opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream(
970 OPJ_BOOL p_is_read_stream)
972 opj_stream_t* l_stream = 00;
980 if (p_is_read_stream) {
986 p_file = fopen(fname, mode);
992 l_stream = opj_stream_create(p_size, p_is_read_stream);
998 opj_stream_set_user_data(l_stream, p_file,
999 (opj_stream_free_user_data_fn) fclose);
1000 opj_stream_set_user_data_length(l_stream,
1001 opj_get_data_length_from_file(p_file));
1002 opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file);
1003 opj_stream_set_write_function(l_stream,
1004 (opj_stream_write_fn) opj_write_from_file);
1005 opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file);
1006 opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file);