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, FILE * p_file)
93 OPJ_SIZE_T l_nb_read = fread(p_buffer,1,p_nb_bytes,p_file);
94 return l_nb_read ? l_nb_read : (OPJ_SIZE_T)-1;
97 static OPJ_UINT64 opj_get_data_length_from_file (FILE * p_file)
99 OPJ_OFF_T file_length = 0;
101 OPJ_FSEEK(p_file, 0, SEEK_END);
102 file_length = (OPJ_OFF_T)OPJ_FTELL(p_file);
103 OPJ_FSEEK(p_file, 0, SEEK_SET);
105 return (OPJ_UINT64)file_length;
108 static OPJ_SIZE_T opj_write_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
110 return fwrite(p_buffer,1,p_nb_bytes,p_file);
113 static OPJ_OFF_T opj_skip_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
115 if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_CUR)) {
122 static OPJ_BOOL opj_seek_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
124 if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_SET)) {
131 /* ---------------------------------------------------------------------- */
135 DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
137 OPJ_ARG_NOT_USED(lpReserved);
138 OPJ_ARG_NOT_USED(hModule);
140 switch (ul_reason_for_call) {
141 case DLL_PROCESS_ATTACH :
143 case DLL_PROCESS_DETACH :
145 case DLL_THREAD_ATTACH :
146 case DLL_THREAD_DETACH :
152 #endif /* OPJ_STATIC */
155 /* ---------------------------------------------------------------------- */
157 const char* OPJ_CALLCONV opj_version(void) {
158 return OPJ_PACKAGE_VERSION;
161 /* ---------------------------------------------------------------------- */
162 /* DECOMPRESSION FUNCTIONS*/
164 opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format)
166 opj_codec_private_t *l_codec = 00;
168 l_codec = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
173 l_codec->is_decompressor = 1;
177 l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) j2k_dump;
179 l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) j2k_get_cstr_info;
181 l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) j2k_get_cstr_index;
183 l_codec->m_codec_data.m_decompression.opj_decode =
184 (OPJ_BOOL (*) ( void *,
185 struct opj_stream_private *,
186 opj_image_t*, struct opj_event_mgr * )) opj_j2k_decode;
188 l_codec->m_codec_data.m_decompression.opj_end_decompress =
189 (OPJ_BOOL (*) ( void *,
190 struct opj_stream_private *,
191 struct opj_event_mgr *)) opj_j2k_end_decompress;
193 l_codec->m_codec_data.m_decompression.opj_read_header =
194 (OPJ_BOOL (*) ( struct opj_stream_private *,
197 struct opj_event_mgr * )) opj_j2k_read_header;
199 l_codec->m_codec_data.m_decompression.opj_destroy =
200 (void (*) (void *))opj_j2k_destroy;
202 l_codec->m_codec_data.m_decompression.opj_setup_decoder =
203 (void (*) (void * , opj_dparameters_t * )) opj_j2k_setup_decoder;
205 l_codec->m_codec_data.m_decompression.opj_read_tile_header =
206 (OPJ_BOOL (*) ( void *,
209 OPJ_INT32*, OPJ_INT32*,
210 OPJ_INT32*, OPJ_INT32*,
213 struct opj_stream_private *,
214 struct opj_event_mgr * )) opj_j2k_read_tile_header;
216 l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
217 (OPJ_BOOL (*) ( void *,
221 struct opj_stream_private *,
222 struct opj_event_mgr *)) opj_j2k_decode_tile;
224 l_codec->m_codec_data.m_decompression.opj_set_decode_area =
225 (OPJ_BOOL (*) ( void *,
227 OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32,
228 struct opj_event_mgr *)) opj_j2k_set_decode_area;
230 l_codec->m_codec_data.m_decompression.opj_get_decoded_tile =
231 (OPJ_BOOL (*) ( void *p_codec,
232 opj_stream_private_t *p_cio,
233 opj_image_t *p_image,
234 struct opj_event_mgr * p_manager,
235 OPJ_UINT32 tile_index)) opj_j2k_get_tile;
237 l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor =
238 (OPJ_BOOL (*) ( void * p_codec,
239 OPJ_UINT32 res_factor,
240 struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_resolution_factor;
242 l_codec->m_codec = opj_j2k_create_decompress();
244 if (! l_codec->m_codec) {
252 /* get a JP2 decoder handle */
253 l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) jp2_dump;
255 l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) jp2_get_cstr_info;
257 l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) jp2_get_cstr_index;
259 l_codec->m_codec_data.m_decompression.opj_decode =
260 (OPJ_BOOL (*) ( void *,
261 struct opj_stream_private *,
263 struct opj_event_mgr * )) opj_jp2_decode;
265 l_codec->m_codec_data.m_decompression.opj_end_decompress =
266 (OPJ_BOOL (*) ( void *,
267 struct opj_stream_private *,
268 struct opj_event_mgr *)) opj_jp2_end_decompress;
270 l_codec->m_codec_data.m_decompression.opj_read_header =
271 (OPJ_BOOL (*) ( struct opj_stream_private *,
274 struct opj_event_mgr * )) opj_jp2_read_header;
276 l_codec->m_codec_data.m_decompression.opj_read_tile_header =
277 (OPJ_BOOL (*) ( void *,
286 struct opj_stream_private *,
287 struct opj_event_mgr * )) opj_jp2_read_tile_header;
289 l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
290 (OPJ_BOOL (*) ( void *,
291 OPJ_UINT32,OPJ_BYTE*,OPJ_UINT32,
292 struct opj_stream_private *,
293 struct opj_event_mgr * )) opj_jp2_decode_tile;
295 l_codec->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))opj_jp2_destroy;
297 l_codec->m_codec_data.m_decompression.opj_setup_decoder =
298 (void (*) (void * ,opj_dparameters_t * )) opj_jp2_setup_decoder;
300 l_codec->m_codec_data.m_decompression.opj_set_decode_area =
301 (OPJ_BOOL (*) ( void *,
303 OPJ_INT32,OPJ_INT32,OPJ_INT32,OPJ_INT32,
304 struct opj_event_mgr * )) opj_jp2_set_decode_area;
306 l_codec->m_codec_data.m_decompression.opj_get_decoded_tile =
307 (OPJ_BOOL (*) ( void *p_codec,
308 opj_stream_private_t *p_cio,
309 opj_image_t *p_image,
310 struct opj_event_mgr * p_manager,
311 OPJ_UINT32 tile_index)) opj_jp2_get_tile;
313 l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor =
314 (OPJ_BOOL (*) ( void * p_codec,
315 OPJ_UINT32 res_factor,
316 opj_event_mgr_t * p_manager)) opj_jp2_set_decoded_resolution_factor;
318 l_codec->m_codec = opj_jp2_create(OPJ_TRUE);
320 if (! l_codec->m_codec) {
326 case OPJ_CODEC_UNKNOWN:
333 opj_set_default_event_handler(&(l_codec->m_event_mgr));
334 return (opj_codec_t*) l_codec;
337 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
339 memset(parameters, 0, sizeof(opj_dparameters_t));
340 /* default decoding parameters */
341 parameters->cp_layer = 0;
342 parameters->cp_reduce = 0;
344 parameters->decod_format = -1;
345 parameters->cod_format = -1;
346 parameters->flags = 0;
349 parameters->jpwl_correct = OPJ_FALSE;
350 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
351 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
352 #endif /* USE_JPWL */
357 OPJ_BOOL OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec,
358 opj_dparameters_t *parameters
361 if (p_codec && parameters) {
362 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
364 if (! l_codec->is_decompressor) {
365 opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
366 "Codec provided to the opj_setup_decoder function is not a decompressor handler.\n");
370 l_codec->m_codec_data.m_decompression.opj_setup_decoder(l_codec->m_codec,
377 OPJ_BOOL OPJ_CALLCONV opj_read_header ( opj_stream_t *p_stream,
378 opj_codec_t *p_codec,
379 opj_image_t **p_image )
381 if (p_codec && p_stream) {
382 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
383 opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream;
385 if(! l_codec->is_decompressor) {
386 opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
387 "Codec provided to the opj_read_header function is not a decompressor handler.\n");
391 return l_codec->m_codec_data.m_decompression.opj_read_header( l_stream,
394 &(l_codec->m_event_mgr) );
400 OPJ_BOOL OPJ_CALLCONV opj_decode( opj_codec_t *p_codec,
401 opj_stream_t *p_stream,
402 opj_image_t* p_image)
404 if (p_codec && p_stream) {
405 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
406 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
408 if (! l_codec->is_decompressor) {
412 return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec,
415 &(l_codec->m_event_mgr) );
421 OPJ_BOOL OPJ_CALLCONV opj_set_decode_area( opj_codec_t *p_codec,
422 opj_image_t* p_image,
423 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
424 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
428 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
430 if (! l_codec->is_decompressor) {
434 return l_codec->m_codec_data.m_decompression.opj_set_decode_area( l_codec->m_codec,
436 p_start_x, p_start_y,
438 &(l_codec->m_event_mgr) );
443 OPJ_BOOL OPJ_CALLCONV opj_read_tile_header( opj_codec_t *p_codec,
444 opj_stream_t * p_stream,
445 OPJ_UINT32 * p_tile_index,
446 OPJ_UINT32 * p_data_size,
447 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
448 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
449 OPJ_UINT32 * p_nb_comps,
450 OPJ_BOOL * p_should_go_on)
452 if (p_codec && p_stream && p_data_size && p_tile_index) {
453 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
454 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
456 if (! l_codec->is_decompressor) {
460 return l_codec->m_codec_data.m_decompression.opj_read_tile_header( l_codec->m_codec,
463 p_tile_x0, p_tile_y0,
464 p_tile_x1, p_tile_y1,
468 &(l_codec->m_event_mgr));
473 OPJ_BOOL OPJ_CALLCONV opj_decode_tile_data( opj_codec_t *p_codec,
474 OPJ_UINT32 p_tile_index,
476 OPJ_UINT32 p_data_size,
477 opj_stream_t *p_stream
480 if (p_codec && p_data && p_stream) {
481 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
482 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
484 if (! l_codec->is_decompressor) {
488 return l_codec->m_codec_data.m_decompression.opj_decode_tile_data( l_codec->m_codec,
493 &(l_codec->m_event_mgr) );
498 OPJ_BOOL OPJ_CALLCONV opj_get_decoded_tile( opj_codec_t *p_codec,
499 opj_stream_t *p_stream,
500 opj_image_t *p_image,
501 OPJ_UINT32 tile_index)
503 if (p_codec && p_stream) {
504 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
505 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
507 if (! l_codec->is_decompressor) {
511 return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile( l_codec->m_codec,
514 &(l_codec->m_event_mgr),
521 OPJ_BOOL OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec,
522 OPJ_UINT32 res_factor )
524 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
527 fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n");
531 l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(l_codec->m_codec,
533 &(l_codec->m_event_mgr) );
537 /* ---------------------------------------------------------------------- */
538 /* COMPRESSION FUNCTIONS*/
540 opj_codec_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT p_format)
542 opj_codec_private_t *l_codec = 00;
544 l_codec = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t));
549 l_codec->is_decompressor = 0;
553 l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL (*) (void *,
554 struct opj_stream_private *,
555 struct opj_event_mgr * )) opj_j2k_encode;
557 l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL (*) ( void *,
558 struct opj_stream_private *,
559 struct opj_event_mgr *)) opj_j2k_end_compress;
561 l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL (*) (void *,
562 struct opj_stream_private *,
564 struct opj_event_mgr *)) opj_j2k_start_compress;
566 l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL (*) (void *,
570 struct opj_stream_private *,
571 struct opj_event_mgr *) ) opj_j2k_write_tile;
573 l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) opj_j2k_destroy;
575 l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL (*) ( void *,
578 struct opj_event_mgr * )) opj_j2k_setup_encoder;
580 l_codec->m_codec = opj_j2k_create_compress();
581 if (! l_codec->m_codec) {
589 /* get a JP2 decoder handle */
590 l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL (*) (void *,
591 struct opj_stream_private *,
592 struct opj_event_mgr * )) opj_jp2_encode;
594 l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL (*) ( void *,
595 struct opj_stream_private *,
596 struct opj_event_mgr *)) opj_jp2_end_compress;
598 l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL (*) (void *,
599 struct opj_stream_private *,
601 struct opj_event_mgr *)) opj_jp2_start_compress;
603 l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL (*) (void *,
607 struct opj_stream_private *,
608 struct opj_event_mgr *)) opj_jp2_write_tile;
610 l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) opj_jp2_destroy;
612 l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL (*) ( void *,
615 struct opj_event_mgr * )) opj_jp2_setup_encoder;
617 l_codec->m_codec = opj_jp2_create(OPJ_FALSE);
618 if (! l_codec->m_codec) {
625 case OPJ_CODEC_UNKNOWN:
632 opj_set_default_event_handler(&(l_codec->m_event_mgr));
633 return (opj_codec_t*) l_codec;
636 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
638 memset(parameters, 0, sizeof(opj_cparameters_t));
639 /* default coding parameters */
640 parameters->cp_cinema = OPJ_OFF; /* DEPRECATED */
641 parameters->rsiz = OPJ_PROFILE_NONE;
642 parameters->max_comp_size = 0;
643 parameters->numresolution = 6;
644 parameters->cp_rsiz = OPJ_STD_RSIZ; /* DEPRECATED */
645 parameters->cblockw_init = 64;
646 parameters->cblockh_init = 64;
647 parameters->prog_order = OPJ_LRCP;
648 parameters->roi_compno = -1; /* no ROI */
649 parameters->subsampling_dx = 1;
650 parameters->subsampling_dy = 1;
651 parameters->tp_on = 0;
652 parameters->decod_format = -1;
653 parameters->cod_format = -1;
654 parameters->tcp_rates[0] = 0;
655 parameters->tcp_numlayers = 0;
656 parameters->cp_disto_alloc = 0;
657 parameters->cp_fixed_alloc = 0;
658 parameters->cp_fixed_quality = 0;
659 parameters->jpip_on = OPJ_FALSE;
662 parameters->jpwl_epc_on = OPJ_FALSE;
663 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
666 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
667 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
668 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
673 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
674 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
675 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
676 parameters->jpwl_pprot[i] = 0; /* absent */
679 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
680 parameters->jpwl_sens_addr = 0; /* 0 means auto */
681 parameters->jpwl_sens_range = 0; /* 0 means packet */
682 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
685 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
686 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
687 parameters->jpwl_sens_TPH[i] = -1; /* absent */
690 #endif /* USE_JPWL */
695 OPJ_BOOL OPJ_CALLCONV opj_setup_encoder(opj_codec_t *p_codec,
696 opj_cparameters_t *parameters,
697 opj_image_t *p_image)
699 if (p_codec && parameters && p_image) {
700 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
702 if (! l_codec->is_decompressor) {
703 l_codec->m_codec_data.m_compression.opj_setup_encoder( l_codec->m_codec,
706 &(l_codec->m_event_mgr) );
714 OPJ_BOOL OPJ_CALLCONV opj_start_compress ( opj_codec_t *p_codec,
715 opj_image_t * p_image,
716 opj_stream_t *p_stream)
718 if (p_codec && p_stream) {
719 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
720 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
722 if (! l_codec->is_decompressor) {
723 return l_codec->m_codec_data.m_compression.opj_start_compress( l_codec->m_codec,
726 &(l_codec->m_event_mgr));
733 OPJ_BOOL OPJ_CALLCONV opj_encode(opj_codec_t *p_info, opj_stream_t *p_stream)
735 if (p_info && p_stream) {
736 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_info;
737 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
739 if (! l_codec->is_decompressor) {
740 return l_codec->m_codec_data.m_compression.opj_encode( l_codec->m_codec,
742 &(l_codec->m_event_mgr));
750 OPJ_BOOL OPJ_CALLCONV opj_end_compress (opj_codec_t *p_codec,
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_end_compress(l_codec->m_codec,
760 &(l_codec->m_event_mgr));
767 OPJ_BOOL OPJ_CALLCONV opj_end_decompress ( opj_codec_t *p_codec,
768 opj_stream_t *p_stream)
770 if (p_codec && p_stream) {
771 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
772 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
774 if (! l_codec->is_decompressor) {
778 return l_codec->m_codec_data.m_decompression.opj_end_decompress(l_codec->m_codec,
780 &(l_codec->m_event_mgr) );
786 OPJ_BOOL OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,
787 OPJ_FLOAT32 * pEncodingMatrix,
788 OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp)
790 OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
791 OPJ_UINT32 l_dc_shift_size = pNbComp * (OPJ_UINT32)sizeof(OPJ_INT32);
792 OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
794 /* add MCT capability */
795 if (OPJ_IS_PART2(parameters->rsiz)) {
796 parameters->rsiz |= OPJ_EXTENSION_MCT;
798 parameters->rsiz = ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT));
800 parameters->irreversible = 1;
802 /* use array based MCT */
803 parameters->tcp_mct = 2;
804 parameters->mct_data = opj_malloc(l_mct_total_size);
805 if (! parameters->mct_data) {
809 memcpy(parameters->mct_data,pEncodingMatrix,l_matrix_size);
810 memcpy(((OPJ_BYTE *) parameters->mct_data) + l_matrix_size,p_dc_shift,l_dc_shift_size);
815 OPJ_BOOL OPJ_CALLCONV opj_write_tile ( opj_codec_t *p_codec,
816 OPJ_UINT32 p_tile_index,
818 OPJ_UINT32 p_data_size,
819 opj_stream_t *p_stream )
821 if (p_codec && p_stream && p_data) {
822 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
823 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
825 if (l_codec->is_decompressor) {
829 return l_codec->m_codec_data.m_compression.opj_write_tile( l_codec->m_codec,
834 &(l_codec->m_event_mgr) );
840 /* ---------------------------------------------------------------------- */
842 void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
845 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
847 if (l_codec->is_decompressor) {
848 l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec);
851 l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec);
854 l_codec->m_codec = 00;
859 /* ---------------------------------------------------------------------- */
861 void OPJ_CALLCONV opj_dump_codec( opj_codec_t *p_codec,
866 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
868 l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
872 fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n");
876 opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
879 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
881 return l_codec->opj_get_codec_info(l_codec->m_codec);
887 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_v2_t **cstr_info) {
890 if ((*cstr_info)->m_default_tile_info.tccp_info){
891 opj_free((*cstr_info)->m_default_tile_info.tccp_info);
894 if ((*cstr_info)->tile_info){
895 /* FIXME not used for the moment*/
898 opj_free((*cstr_info));
903 opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
906 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
908 return l_codec->opj_get_codec_index(l_codec->m_codec);
914 void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index)
917 j2k_destroy_cstr_index(*p_cstr_index);
918 (*p_cstr_index) = NULL;
922 opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (const char *fname, OPJ_BOOL p_is_read_stream)
924 return opj_stream_create_file_stream(fname, OPJ_J2K_STREAM_CHUNK_SIZE, p_is_read_stream);
927 opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream (
930 OPJ_BOOL p_is_read_stream)
932 opj_stream_t* l_stream = 00;
940 if(p_is_read_stream) mode = "rb"; else mode = "wb";
942 p_file = fopen(fname, mode);
948 l_stream = opj_stream_create(p_size,p_is_read_stream);
954 opj_stream_set_user_data(l_stream, p_file, (opj_stream_free_user_data_fn) fclose);
955 opj_stream_set_user_data_length(l_stream, opj_get_data_length_from_file(p_file));
956 opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file);
957 opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_file);
958 opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file);
959 opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file);