2 * Copyright (c) 2005, Herve Drolon, FreeImage Team
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
31 #include "opj_config.h"
32 #include "opj_includes.h"
35 * Decompression handler.
37 typedef struct opj_decompression
39 /** Main header reading function handler*/
40 opj_bool (*opj_read_header) ( struct opj_stream_private * cio,
42 opj_image_t **p_image,
43 struct opj_event_mgr * p_manager);
44 /** Decoding function */
45 opj_bool (*opj_decode) ( void * p_codec,
46 struct opj_stream_private *p_cio,
48 struct opj_event_mgr * p_manager);
50 opj_bool (*opj_read_tile_header)( void * p_codec,
51 OPJ_UINT32 * p_tile_index,
52 OPJ_UINT32* p_data_size,
53 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
54 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
55 OPJ_UINT32 * p_nb_comps,
56 opj_bool * p_should_go_on,
57 struct opj_stream_private *p_cio,
58 struct opj_event_mgr * p_manager);
60 opj_bool (*opj_decode_tile_data)( void * p_codec,
61 OPJ_UINT32 p_tile_index,
63 OPJ_UINT32 p_data_size,
64 struct opj_stream_private *p_cio,
65 struct opj_event_mgr * p_manager);
66 /** Reading function used after codestream if necessary */
67 opj_bool (* opj_end_decompress) ( void *p_codec,
68 struct opj_stream_private *cio,
69 struct opj_event_mgr * p_manager);
70 /** Codec destroy function handler*/
71 void (*opj_destroy) (void * p_codec);
72 /** Setup decoder function handler */
73 void (*opj_setup_decoder) (void * p_codec, opj_dparameters_t * p_param);
74 /** Set decode area function handler */
75 opj_bool (*opj_set_decode_area) ( void * p_codec,
77 OPJ_INT32 p_start_x, OPJ_INT32 p_end_x,
78 OPJ_INT32 p_start_y, OPJ_INT32 p_end_y,
79 struct opj_event_mgr * p_manager);
81 /** Get tile function */
82 opj_bool (*opj_get_decoded_tile) ( void *p_codec,
83 opj_stream_private_t *p_cio,
85 struct opj_event_mgr * p_manager,
86 OPJ_UINT32 tile_index);
88 /** Set the decoded resolution factor */
89 opj_bool (*opj_set_decoded_resolution_factor) ( void * p_codec,
90 OPJ_UINT32 res_factor,
91 opj_event_mgr_t * p_manager);
96 * Compression handler. FIXME DOC
98 typedef struct opj_compression
100 opj_bool (OPJ_CALLCONV * opj_start_compress) ( void *p_codec,
101 struct opj_stream_private *cio,
102 struct opj_image * p_image,
103 struct opj_event_mgr * p_manager);
105 opj_bool (OPJ_CALLCONV * opj_encode) ( void * p_codec,
106 struct opj_stream_private *p_cio,
107 struct opj_event_mgr * p_manager);
109 opj_bool (OPJ_CALLCONV * opj_write_tile) ( void * p_codec,
110 OPJ_UINT32 p_tile_index,
112 OPJ_UINT32 p_data_size,
113 struct opj_stream_private * p_cio,
114 struct opj_event_mgr * p_manager);
116 opj_bool (OPJ_CALLCONV * opj_end_compress) ( void * p_codec,
117 struct opj_stream_private *p_cio,
118 struct opj_event_mgr * p_manager);
120 void (OPJ_CALLCONV * opj_destroy) (void * p_codec);
122 void (OPJ_CALLCONV * opj_setup_encoder) ( void * p_codec,
123 opj_cparameters_t * p_param,
124 struct opj_image * p_image,
125 struct opj_event_mgr * p_manager);
130 * Main codec handler used for compression or decompression.
132 typedef struct opj_codec_private
137 opj_decompression_t m_decompression;
138 opj_compression_t m_compression;
143 opj_event_mgr_t m_event_mgr;
144 /** Flag to indicate if the codec is used to decode or encode*/
145 opj_bool is_decompressor;
146 void (*opj_dump_codec) (void * p_codec, OPJ_INT32 info_flag, FILE* output_stream);
147 opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec);
148 opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec);
152 /* ---------------------------------------------------------------------- */
153 /* Functions to set info_handler */
155 opj_bool OPJ_CALLCONV opj_set_info_handler( opj_codec_t * p_codec,
156 opj_msg_callback p_callback,
159 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
164 l_codec->m_event_mgr.info_handler = p_callback;
165 l_codec->m_event_mgr.m_info_data = p_user_data;
170 opj_bool OPJ_CALLCONV opj_set_warning_handler( opj_codec_t * p_codec,
171 opj_msg_callback p_callback,
174 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
179 l_codec->m_event_mgr.warning_handler = p_callback;
180 l_codec->m_event_mgr.m_warning_data = p_user_data;
185 opj_bool OPJ_CALLCONV opj_set_error_handler(opj_codec_t * p_codec,
186 opj_msg_callback p_callback,
189 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
194 l_codec->m_event_mgr.error_handler = p_callback;
195 l_codec->m_event_mgr.m_error_data = p_user_data;
200 /* ---------------------------------------------------------------------- */
202 static OPJ_SIZE_T opj_read_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
204 OPJ_SIZE_T l_nb_read = fread(p_buffer,1,p_nb_bytes,p_file);
205 return l_nb_read ? l_nb_read : -1;
208 static OPJ_UINT64 opj_get_data_length_from_file (FILE * p_file)
210 OPJ_OFF_T file_length = 0;
212 OPJ_FSEEK(p_file, 0, SEEK_END);
213 file_length = (OPJ_UINT64)OPJ_FTELL(p_file);
214 OPJ_FSEEK(p_file, 0, SEEK_SET);
219 static OPJ_SIZE_T opj_write_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
221 return fwrite(p_buffer,1,p_nb_bytes,p_file);
224 static OPJ_OFF_T opj_skip_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
226 if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_CUR)) {
233 static opj_bool opj_seek_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
235 if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_SET)) {
242 /* ---------------------------------------------------------------------- */
246 DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
248 OPJ_ARG_NOT_USED(lpReserved);
249 OPJ_ARG_NOT_USED(hModule);
251 switch (ul_reason_for_call) {
252 case DLL_PROCESS_ATTACH :
254 case DLL_PROCESS_DETACH :
256 case DLL_THREAD_ATTACH :
257 case DLL_THREAD_DETACH :
263 #endif /* OPJ_STATIC */
266 /* ---------------------------------------------------------------------- */
268 const char* OPJ_CALLCONV opj_version(void) {
269 return OPJ_PACKAGE_VERSION;
272 /* ---------------------------------------------------------------------- */
273 /* DECOMPRESSION FUNCTIONS*/
275 opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format)
277 opj_codec_private_t *l_codec = 00;
279 l_codec = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
283 memset(l_codec, 0, sizeof(opj_codec_private_t));
285 l_codec->is_decompressor = 1;
289 l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) j2k_dump;
291 l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) j2k_get_cstr_info;
293 l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) j2k_get_cstr_index;
295 l_codec->m_codec_data.m_decompression.opj_decode =
296 (opj_bool (*) ( void *,
297 struct opj_stream_private *,
298 opj_image_t*, struct opj_event_mgr * )) opj_j2k_decode;
300 l_codec->m_codec_data.m_decompression.opj_end_decompress =
301 (opj_bool (*) ( void *,
302 struct opj_stream_private *,
303 struct opj_event_mgr *)) opj_j2k_end_decompress;
305 l_codec->m_codec_data.m_decompression.opj_read_header =
306 (opj_bool (*) ( struct opj_stream_private *,
309 struct opj_event_mgr * )) opj_j2k_read_header;
311 l_codec->m_codec_data.m_decompression.opj_destroy =
312 (void (*) (void *))opj_j2k_destroy;
314 l_codec->m_codec_data.m_decompression.opj_setup_decoder =
315 (void (*) (void * , opj_dparameters_t * )) opj_j2k_setup_decoder;
317 l_codec->m_codec_data.m_decompression.opj_read_tile_header =
318 (opj_bool (*) ( void *,
321 OPJ_INT32*, OPJ_INT32*,
322 OPJ_INT32*, OPJ_INT32*,
325 struct opj_stream_private *,
326 struct opj_event_mgr * )) opj_j2k_read_tile_header;
328 l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
329 (opj_bool (*) ( void *,
333 struct opj_stream_private *,
334 struct opj_event_mgr *)) opj_j2k_decode_tile;
336 l_codec->m_codec_data.m_decompression.opj_set_decode_area =
337 (opj_bool (*) ( void *,
339 OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32,
340 struct opj_event_mgr *)) opj_j2k_set_decode_area;
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_j2k_get_tile;
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 struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_resolution_factor;
354 l_codec->m_codec = opj_j2k_create_decompress();
356 if (! l_codec->m_codec) {
364 /* get a JP2 decoder handle */
365 l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) jp2_dump;
367 l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) jp2_get_cstr_info;
369 l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) jp2_get_cstr_index;
371 l_codec->m_codec_data.m_decompression.opj_decode =
372 (opj_bool (*) ( void *,
373 struct opj_stream_private *,
375 struct opj_event_mgr * )) opj_jp2_decode;
377 l_codec->m_codec_data.m_decompression.opj_end_decompress =
378 (opj_bool (*) ( void *,
379 struct opj_stream_private *,
380 struct opj_event_mgr *)) opj_jp2_end_decompress;
382 l_codec->m_codec_data.m_decompression.opj_read_header =
383 (opj_bool (*) ( struct opj_stream_private *,
386 struct opj_event_mgr * )) opj_jp2_read_header;
388 l_codec->m_codec_data.m_decompression.opj_read_tile_header =
389 (opj_bool (*) ( void *,
398 struct opj_stream_private *,
399 struct opj_event_mgr * )) opj_jp2_read_tile_header;
401 l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
402 (opj_bool (*) ( void *,
403 OPJ_UINT32,OPJ_BYTE*,OPJ_UINT32,
404 struct opj_stream_private *,
405 struct opj_event_mgr * )) opj_jp2_decode_tile;
407 l_codec->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))opj_jp2_destroy;
409 l_codec->m_codec_data.m_decompression.opj_setup_decoder =
410 (void (*) (void * ,opj_dparameters_t * )) opj_jp2_setup_decoder;
412 l_codec->m_codec_data.m_decompression.opj_set_decode_area =
413 (opj_bool (*) ( void *,
415 OPJ_INT32,OPJ_INT32,OPJ_INT32,OPJ_INT32,
416 struct opj_event_mgr * )) opj_jp2_set_decode_area;
418 l_codec->m_codec_data.m_decompression.opj_get_decoded_tile =
419 (opj_bool (*) ( void *p_codec,
420 opj_stream_private_t *p_cio,
421 opj_image_t *p_image,
422 struct opj_event_mgr * p_manager,
423 OPJ_UINT32 tile_index)) opj_jp2_get_tile;
425 l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor =
426 (opj_bool (*) ( void * p_codec,
427 OPJ_UINT32 res_factor,
428 opj_event_mgr_t * p_manager)) opj_jp2_set_decoded_resolution_factor;
430 l_codec->m_codec = opj_jp2_create(OPJ_TRUE);
432 if (! l_codec->m_codec) {
445 opj_set_default_event_handler(&(l_codec->m_event_mgr));
446 return (opj_codec_t*) l_codec;
449 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
451 memset(parameters, 0, sizeof(opj_dparameters_t));
452 /* default decoding parameters */
453 parameters->cp_layer = 0;
454 parameters->cp_reduce = 0;
455 parameters->cp_limit_decoding = NO_LIMITATION;
457 parameters->decod_format = -1;
458 parameters->cod_format = -1;
459 parameters->flags = 0;
462 parameters->jpwl_correct = OPJ_FALSE;
463 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
464 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
465 #endif /* USE_JPWL */
470 opj_bool OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec,
471 opj_dparameters_t *parameters
474 if (p_codec && parameters) {
475 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
477 if (! l_codec->is_decompressor) {
478 opj_event_msg_v2(&(l_codec->m_event_mgr), EVT_ERROR,
479 "Codec provided to the opj_setup_decoder function is not a decompressor handler.\n");
483 l_codec->m_codec_data.m_decompression.opj_setup_decoder(l_codec->m_codec,
490 opj_bool OPJ_CALLCONV opj_read_header ( opj_stream_t *p_stream,
491 opj_codec_t *p_codec,
492 opj_image_t **p_image )
494 if (p_codec && p_stream) {
495 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
496 opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream;
498 if(! l_codec->is_decompressor) {
499 opj_event_msg_v2(&(l_codec->m_event_mgr), EVT_ERROR,
500 "Codec provided to the opj_read_header function is not a decompressor handler.\n");
504 return l_codec->m_codec_data.m_decompression.opj_read_header( l_stream,
507 &(l_codec->m_event_mgr) );
513 opj_bool OPJ_CALLCONV opj_decode( opj_codec_t *p_codec,
514 opj_stream_t *p_stream,
515 opj_image_t* p_image)
517 if (p_codec && p_stream) {
518 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
519 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
521 if (! l_codec->is_decompressor) {
525 return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec,
528 &(l_codec->m_event_mgr) );
534 opj_bool OPJ_CALLCONV opj_set_decode_area( opj_codec_t *p_codec,
535 opj_image_t* p_image,
536 OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
537 OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
541 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
543 if (! l_codec->is_decompressor) {
547 return l_codec->m_codec_data.m_decompression.opj_set_decode_area( l_codec->m_codec,
549 p_start_x, p_start_y,
551 &(l_codec->m_event_mgr) );
556 opj_bool OPJ_CALLCONV opj_read_tile_header( opj_codec_t *p_codec,
557 opj_stream_t * p_stream,
558 OPJ_UINT32 * p_tile_index,
559 OPJ_UINT32 * p_data_size,
560 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
561 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
562 OPJ_UINT32 * p_nb_comps,
563 opj_bool * p_should_go_on)
565 if (p_codec && p_stream && p_data_size && p_tile_index) {
566 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
567 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
569 if (! l_codec->is_decompressor) {
573 return l_codec->m_codec_data.m_decompression.opj_read_tile_header( l_codec->m_codec,
576 p_tile_x0, p_tile_y0,
577 p_tile_x1, p_tile_y1,
581 &(l_codec->m_event_mgr));
586 opj_bool OPJ_CALLCONV opj_decode_tile_data( opj_codec_t *p_codec,
587 OPJ_UINT32 p_tile_index,
589 OPJ_UINT32 p_data_size,
590 opj_stream_t *p_stream
593 if (p_codec && p_data && p_stream) {
594 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
595 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
597 if (! l_codec->is_decompressor) {
601 return l_codec->m_codec_data.m_decompression.opj_decode_tile_data( l_codec->m_codec,
606 &(l_codec->m_event_mgr) );
611 opj_bool OPJ_CALLCONV opj_get_decoded_tile( opj_codec_t *p_codec,
612 opj_stream_t *p_stream,
613 opj_image_t *p_image,
614 OPJ_UINT32 tile_index)
616 if (p_codec && p_stream) {
617 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
618 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
620 if (! l_codec->is_decompressor) {
624 return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile( l_codec->m_codec,
627 &(l_codec->m_event_mgr),
634 opj_bool OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec,
635 OPJ_UINT32 res_factor )
637 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
640 fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n");
644 l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(l_codec->m_codec,
646 &(l_codec->m_event_mgr) );
650 /* ---------------------------------------------------------------------- */
651 /* COMPRESSION FUNCTIONS*/
653 opj_codec_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT p_format)
655 opj_codec_private_t *l_codec = 00;
657 l_codec = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t));
661 memset(l_codec, 0, sizeof(opj_codec_private_t));
663 l_codec->is_decompressor = 0;
667 l_codec->m_codec_data.m_compression.opj_encode = (opj_bool (*) (void *,
668 struct opj_stream_private *,
669 struct opj_event_mgr * )) opj_j2k_encode_v2;
671 l_codec->m_codec_data.m_compression.opj_end_compress = (opj_bool (*) ( void *,
672 struct opj_stream_private *,
673 struct opj_event_mgr *)) opj_j2k_end_compress;
675 l_codec->m_codec_data.m_compression.opj_start_compress = (opj_bool (*) (void *,
676 struct opj_stream_private *,
678 struct opj_event_mgr *)) opj_j2k_start_compress;
680 l_codec->m_codec_data.m_compression.opj_write_tile = (opj_bool (*) (void *,
684 struct opj_stream_private *,
685 struct opj_event_mgr *) ) opj_j2k_write_tile;
687 l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) opj_j2k_destroy;
689 l_codec->m_codec_data.m_compression.opj_setup_encoder = (void (*) ( void *,
692 struct opj_event_mgr * )) opj_j2k_setup_encoder;
694 l_codec->m_codec = opj_j2k_create_compress();
695 if (! l_codec->m_codec) {
703 /* get a JP2 decoder handle */
704 l_codec->m_codec_data.m_compression.opj_encode = (opj_bool (*) (void *,
705 struct opj_stream_private *,
706 struct opj_event_mgr * )) opj_jp2_encode;
708 l_codec->m_codec_data.m_compression.opj_end_compress = (opj_bool (*) ( void *,
709 struct opj_stream_private *,
710 struct opj_event_mgr *)) opj_jp2_end_compress;
712 l_codec->m_codec_data.m_compression.opj_start_compress = (opj_bool (*) (void *,
713 struct opj_stream_private *,
715 struct opj_event_mgr *)) opj_jp2_start_compress;
717 l_codec->m_codec_data.m_compression.opj_write_tile = (opj_bool (*) (void *,
721 struct opj_stream_private *,
722 struct opj_event_mgr *)) opj_jp2_write_tile;
724 l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) opj_jp2_destroy;
726 l_codec->m_codec_data.m_compression.opj_setup_encoder = (void (*) ( void *,
729 struct opj_event_mgr * )) opj_jp2_setup_encoder;
731 l_codec->m_codec = opj_jp2_create(OPJ_FALSE);
732 if (! l_codec->m_codec) {
746 opj_set_default_event_handler(&(l_codec->m_event_mgr));
747 return (opj_codec_t*) l_codec;
750 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
752 memset(parameters, 0, sizeof(opj_cparameters_t));
753 /* default coding parameters */
754 parameters->cp_cinema = OFF;
755 parameters->max_comp_size = 0;
756 parameters->numresolution = 6;
757 parameters->cp_rsiz = STD_RSIZ;
758 parameters->cblockw_init = 64;
759 parameters->cblockh_init = 64;
760 parameters->prog_order = LRCP;
761 parameters->roi_compno = -1; /* no ROI */
762 parameters->subsampling_dx = 1;
763 parameters->subsampling_dy = 1;
764 parameters->tp_on = 0;
765 parameters->decod_format = -1;
766 parameters->cod_format = -1;
767 parameters->tcp_rates[0] = 0;
768 parameters->tcp_numlayers = 0;
769 parameters->cp_disto_alloc = 0;
770 parameters->cp_fixed_alloc = 0;
771 parameters->cp_fixed_quality = 0;
774 parameters->jpwl_epc_on = OPJ_FALSE;
775 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
778 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
779 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
780 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
785 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
786 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
787 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
788 parameters->jpwl_pprot[i] = 0; /* absent */
791 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
792 parameters->jpwl_sens_addr = 0; /* 0 means auto */
793 parameters->jpwl_sens_range = 0; /* 0 means packet */
794 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
797 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
798 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
799 parameters->jpwl_sens_TPH[i] = -1; /* absent */
802 #endif /* USE_JPWL */
807 opj_bool OPJ_CALLCONV opj_setup_encoder(opj_codec_t *p_codec,
808 opj_cparameters_t *parameters,
809 opj_image_t *p_image)
811 if (p_codec && parameters && p_image) {
812 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
814 if (! l_codec->is_decompressor) {
815 l_codec->m_codec_data.m_compression.opj_setup_encoder( l_codec->m_codec,
818 &(l_codec->m_event_mgr) );
826 opj_bool OPJ_CALLCONV opj_start_compress ( opj_codec_t *p_codec,
827 opj_image_t * p_image,
828 opj_stream_t *p_stream)
830 if (p_codec && p_stream) {
831 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
832 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
834 if (! l_codec->is_decompressor) {
835 return l_codec->m_codec_data.m_compression.opj_start_compress( l_codec->m_codec,
838 &(l_codec->m_event_mgr));
845 opj_bool OPJ_CALLCONV opj_encode(opj_codec_t *p_info, opj_stream_t *p_stream)
847 if (p_info && p_stream) {
848 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_info;
849 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
851 if (! l_codec->is_decompressor) {
852 l_codec->m_codec_data.m_compression.opj_encode( l_codec->m_codec,
854 &(l_codec->m_event_mgr));
863 opj_bool OPJ_CALLCONV opj_end_compress (opj_codec_t *p_codec,
864 opj_stream_t *p_stream)
866 if (p_codec && p_stream) {
867 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
868 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
870 if (! l_codec->is_decompressor) {
871 return l_codec->m_codec_data.m_compression.opj_end_compress(l_codec->m_codec,
873 &(l_codec->m_event_mgr));
880 opj_bool OPJ_CALLCONV opj_end_decompress ( opj_codec_t *p_codec,
881 opj_stream_t *p_stream)
883 if (p_codec && p_stream) {
884 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
885 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
887 if (! l_codec->is_decompressor) {
891 return l_codec->m_codec_data.m_decompression.opj_end_decompress(l_codec->m_codec,
893 &(l_codec->m_event_mgr) );
899 opj_bool OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,
900 OPJ_FLOAT32 * pEncodingMatrix,
901 OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp)
903 OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * sizeof(OPJ_FLOAT32);
904 OPJ_UINT32 l_dc_shift_size = pNbComp * sizeof(OPJ_INT32);
905 OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
907 /* add MCT capability */
908 int rsiz = (int)parameters->cp_rsiz | (int)MCT;
909 parameters->cp_rsiz = (OPJ_RSIZ_CAPABILITIES)rsiz;
910 parameters->irreversible = 1;
912 /* use array based MCT */
913 parameters->tcp_mct = 2;
914 parameters->mct_data = opj_malloc(l_mct_total_size);
915 if (! parameters->mct_data) {
919 memcpy(parameters->mct_data,pEncodingMatrix,l_matrix_size);
920 memcpy(((OPJ_BYTE *) parameters->mct_data) + l_matrix_size,p_dc_shift,l_dc_shift_size);
925 opj_bool OPJ_CALLCONV opj_write_tile ( opj_codec_t *p_codec,
926 OPJ_UINT32 p_tile_index,
928 OPJ_UINT32 p_data_size,
929 opj_stream_t *p_stream )
931 if (p_codec && p_stream && p_data) {
932 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
933 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
935 if (l_codec->is_decompressor) {
939 return l_codec->m_codec_data.m_compression.opj_write_tile( l_codec->m_codec,
944 &(l_codec->m_event_mgr) );
950 /* ---------------------------------------------------------------------- */
952 void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
955 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
957 if (l_codec->is_decompressor) {
958 l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec);
961 l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec);
964 l_codec->m_codec = 00;
969 /* ---------------------------------------------------------------------- */
971 void OPJ_CALLCONV opj_dump_codec( opj_codec_t *p_codec,
976 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
978 l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
982 fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n");
986 opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
989 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
991 return l_codec->opj_get_codec_info(l_codec->m_codec);
997 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_v2_t **cstr_info) {
1000 if ((*cstr_info)->m_default_tile_info.tccp_info){
1001 opj_free((*cstr_info)->m_default_tile_info.tccp_info);
1004 if ((*cstr_info)->tile_info){
1005 /* FIXME not used for the moment*/
1008 opj_free((*cstr_info));
1009 (*cstr_info) = NULL;
1013 opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
1016 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
1018 return l_codec->opj_get_codec_index(l_codec->m_codec);
1024 void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index)
1027 j2k_destroy_cstr_index(*p_cstr_index);
1028 (*p_cstr_index) = NULL;
1032 /* ---------------------------------------------------------------------- */
1033 opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (FILE * p_file, opj_bool p_is_read_stream)
1035 return opj_stream_create_file_stream(p_file,J2K_STREAM_CHUNK_SIZE,p_is_read_stream);
1038 opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream ( FILE * p_file,
1040 opj_bool p_is_read_stream)
1042 opj_stream_t* l_stream = 00;
1048 l_stream = opj_stream_create(p_size,p_is_read_stream);
1053 opj_stream_set_user_data(l_stream, p_file);
1054 opj_stream_set_user_data_length(l_stream, opj_get_data_length_from_file(p_file));
1055 opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file);
1056 opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_file);
1057 opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file);
1058 opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file);