src/lib/openjp2/openjpeg.c

   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
  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
  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
  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
  91 static OPJ_SIZE_T opj_read_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
  92 {
  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;
  95 }
  96
  97 static OPJ_UINT64 opj_get_data_length_from_file (FILE * p_file)
  98 {
  99         OPJ_OFF_T file_length = 0;
 100
 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);
 104
 105         return (OPJ_UINT64)file_length;
 106 }
 107
 108 static OPJ_SIZE_T opj_write_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
 109 {
 110         return fwrite(p_buffer,1,p_nb_bytes,p_file);
 111 }
 112
 113 static OPJ_OFF_T opj_skip_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
 114 {
 115         if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_CUR)) {
 116                 return -1;
 117         }
 118
 119         return p_nb_bytes;
 120 }
 121
 122 static OPJ_BOOL opj_seek_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
 123 {
 124         if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_SET)) {
 125                 return OPJ_FALSE;
 126         }
 127
 128         return OPJ_TRUE;
 129 }
 130
 131 /* ---------------------------------------------------------------------- */
 132 #ifdef _WIN32
 133 #ifndef OPJ_STATIC
 134 BOOL APIENTRY
 135 DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
 136
 137         OPJ_ARG_NOT_USED(lpReserved);
 138         OPJ_ARG_NOT_USED(hModule);
 139
 140         switch (ul_reason_for_call) {
 141                 case DLL_PROCESS_ATTACH :
 142                         break;
 143                 case DLL_PROCESS_DETACH :
 144                         break;
 145                 case DLL_THREAD_ATTACH :
 146                 case DLL_THREAD_DETACH :
 147                         break;
 148     }
 149
 150     return TRUE;
 151 }
 152 #endif /* OPJ_STATIC */
 153 #endif /* _WIN32 */
 154
 155 /* ---------------------------------------------------------------------- */
 156
 157 const char* OPJ_CALLCONV opj_version(void) {
 158     return OPJ_PACKAGE_VERSION;
 159 }
 160
 161 /* ---------------------------------------------------------------------- */
 162 /* DECOMPRESSION FUNCTIONS*/
 163
 164 opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format)
 165 {
 166         opj_codec_private_t *l_codec = 00;
 167
 168         l_codec = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
 169         if (!l_codec){
 170                 return 00;
 171         }
 172
 173         l_codec->is_decompressor = 1;
 174
 175         switch (p_format) {
 176                 case OPJ_CODEC_J2K:
 177                         l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) j2k_dump;
 178
 179                         l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) j2k_get_cstr_info;
 180
 181                         l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) j2k_get_cstr_index;
 182
 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;
 187
 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;
 192
 193                         l_codec->m_codec_data.m_decompression.opj_read_header =
 194                                         (OPJ_BOOL (*) ( struct opj_stream_private *,
 195                                                                         void *,
 196                                                                         opj_image_t **,
 197                                                                         struct opj_event_mgr * )) opj_j2k_read_header;
 198
 199                         l_codec->m_codec_data.m_decompression.opj_destroy =
 200                                         (void (*) (void *))opj_j2k_destroy;
 201
 202                         l_codec->m_codec_data.m_decompression.opj_setup_decoder =
 203                                         (void (*) (void * , opj_dparameters_t * )) opj_j2k_setup_decoder;
 204
 205                         l_codec->m_codec_data.m_decompression.opj_read_tile_header =
 206                                         (OPJ_BOOL (*) ( void *,
 207                                                                         OPJ_UINT32*,
 208                                                                         OPJ_UINT32*,
 209                                                                         OPJ_INT32*, OPJ_INT32*,
 210                                                                         OPJ_INT32*, OPJ_INT32*,
 211                                                                         OPJ_UINT32*,
 212                                                                         OPJ_BOOL*,
 213                                                                         struct opj_stream_private *,
 214                                                                         struct opj_event_mgr * )) opj_j2k_read_tile_header;
 215
 216                         l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
 217                                         (OPJ_BOOL (*) ( void *,
 218                                     OPJ_UINT32,
 219                                     OPJ_BYTE*,
 220                                     OPJ_UINT32,
 221                                     struct opj_stream_private *,
 222                                     struct opj_event_mgr *)) opj_j2k_decode_tile;
 223
 224                         l_codec->m_codec_data.m_decompression.opj_set_decode_area =
 225                                         (OPJ_BOOL (*) ( void *,
 226                                     opj_image_t*,
 227                                     OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32,
 228                                     struct opj_event_mgr *)) opj_j2k_set_decode_area;
 229
 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;
 236
 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;
 241
 242                         l_codec->m_codec = opj_j2k_create_decompress();
 243
 244                         if (! l_codec->m_codec) {
 245                                 opj_free(l_codec);
 246                                 return NULL;
 247                         }
 248
 249                         break;
 250
 251                 case OPJ_CODEC_JP2:
 252                         /* get a JP2 decoder handle */
 253                         l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) jp2_dump;
 254
 255                         l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) jp2_get_cstr_info;
 256
 257                         l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) jp2_get_cstr_index;
 258
 259                         l_codec->m_codec_data.m_decompression.opj_decode =
 260                                         (OPJ_BOOL (*) ( void *,
 261                                                                         struct opj_stream_private *,
 262                                                                         opj_image_t*,
 263                                                                         struct opj_event_mgr * )) opj_jp2_decode;
 264
 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;
 269
 270                         l_codec->m_codec_data.m_decompression.opj_read_header =
 271                     (OPJ_BOOL (*) ( struct opj_stream_private *,
 272                                                         void *,
 273                                                         opj_image_t **,
 274                                                         struct opj_event_mgr * )) opj_jp2_read_header;
 275
 276                         l_codec->m_codec_data.m_decompression.opj_read_tile_header =
 277                     (OPJ_BOOL (*) ( void *,
 278                                                         OPJ_UINT32*,
 279                                                         OPJ_UINT32*,
 280                                                         OPJ_INT32*,
 281                                                         OPJ_INT32*,
 282                                                         OPJ_INT32 * ,
 283                                                         OPJ_INT32 * ,
 284                                                         OPJ_UINT32 * ,
 285                                                         OPJ_BOOL *,
 286                                                         struct opj_stream_private *,
 287                                                         struct opj_event_mgr * )) opj_jp2_read_tile_header;
 288
 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;
 294
 295                         l_codec->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))opj_jp2_destroy;
 296
 297                         l_codec->m_codec_data.m_decompression.opj_setup_decoder =
 298                     (void (*) (void * ,opj_dparameters_t * )) opj_jp2_setup_decoder;
 299
 300                         l_codec->m_codec_data.m_decompression.opj_set_decode_area =
 301                     (OPJ_BOOL (*) ( void *,
 302                                     opj_image_t*,
 303                                     OPJ_INT32,OPJ_INT32,OPJ_INT32,OPJ_INT32,
 304                                     struct opj_event_mgr * )) opj_jp2_set_decode_area;
 305
 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;
 312
 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;
 317
 318                         l_codec->m_codec = opj_jp2_create(OPJ_TRUE);
 319
 320                         if (! l_codec->m_codec) {
 321                                 opj_free(l_codec);
 322                                 return 00;
 323                         }
 324
 325                         break;
 326                 case OPJ_CODEC_UNKNOWN:
 327                 case OPJ_CODEC_JPT:
 328                 default:
 329                         opj_free(l_codec);
 330                         return 00;
 331         }
 332
 333         opj_set_default_event_handler(&(l_codec->m_event_mgr));
 334         return (opj_codec_t*) l_codec;
 335 }
 336
 337 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
 338         if(parameters) {
 339                 memset(parameters, 0, sizeof(opj_dparameters_t));
 340                 /* default decoding parameters */
 341                 parameters->cp_layer = 0;
 342                 parameters->cp_reduce = 0;
 343
 344                 parameters->decod_format = -1;
 345                 parameters->cod_format = -1;
 346                 parameters->flags = 0;
 347 /* UniPG>> */
 348 #ifdef USE_JPWL
 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 */
 353 /* <<UniPG */
 354         }
 355 }
 356
 357 OPJ_BOOL OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec,
 358                                         opj_dparameters_t *parameters
 359                                                                                 )
 360 {
 361         if (p_codec && parameters) {
 362                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 363
 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");
 367                         return OPJ_FALSE;
 368                 }
 369
 370                 l_codec->m_codec_data.m_decompression.opj_setup_decoder(l_codec->m_codec,
 371                                                                                                                                 parameters);
 372                 return OPJ_TRUE;
 373         }
 374         return OPJ_FALSE;
 375 }
 376
 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 )
 380 {
 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;
 384
 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");
 388                         return OPJ_FALSE;
 389                 }
 390
 391                 return l_codec->m_codec_data.m_decompression.opj_read_header(   l_stream,
 392                                                                                                                                                 l_codec->m_codec,
 393                                                                                                                                                 p_image,
 394                                                                                                                                                 &(l_codec->m_event_mgr) );
 395         }
 396
 397         return OPJ_FALSE;
 398 }
 399
 400 OPJ_BOOL OPJ_CALLCONV opj_decode(   opj_codec_t *p_codec,
 401                                     opj_stream_t *p_stream,
 402                                     opj_image_t* p_image)
 403 {
 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;
 407
 408                 if (! l_codec->is_decompressor) {
 409                         return OPJ_FALSE;
 410                 }
 411
 412                 return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec,
 413                                                                                                                                 l_stream,
 414                                                                                                                                 p_image,
 415                                                                                                                                 &(l_codec->m_event_mgr) );
 416         }
 417
 418         return OPJ_FALSE;
 419 }
 420
 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
 425                                                                                         )
 426 {
 427         if (p_codec) {
 428                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 429
 430                 if (! l_codec->is_decompressor) {
 431                         return OPJ_FALSE;
 432                 }
 433
 434                 return  l_codec->m_codec_data.m_decompression.opj_set_decode_area(      l_codec->m_codec,
 435                                                                                                                                                         p_image,
 436                                                                                                                                                         p_start_x, p_start_y,
 437                                                                                                                                                         p_end_x, p_end_y,
 438                                                                                                                                                         &(l_codec->m_event_mgr) );
 439         }
 440         return OPJ_FALSE;
 441 }
 442
 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)
 451 {
 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;
 455
 456                 if (! l_codec->is_decompressor) {
 457                         return OPJ_FALSE;
 458                 }
 459
 460                 return l_codec->m_codec_data.m_decompression.opj_read_tile_header(      l_codec->m_codec,
 461                                                                                                                                                         p_tile_index,
 462                                                                                                                                                         p_data_size,
 463                                                                                                                                                         p_tile_x0, p_tile_y0,
 464                                                                                                                                                         p_tile_x1, p_tile_y1,
 465                                                                                                                                                         p_nb_comps,
 466                                                                                                                                                         p_should_go_on,
 467                                                                                                                                                         l_stream,
 468                                                                                                                                                         &(l_codec->m_event_mgr));
 469         }
 470         return OPJ_FALSE;
 471 }
 472
 473 OPJ_BOOL OPJ_CALLCONV opj_decode_tile_data(     opj_codec_t *p_codec,
 474                                                                                         OPJ_UINT32 p_tile_index,
 475                                                                                         OPJ_BYTE * p_data,
 476                                                                                         OPJ_UINT32 p_data_size,
 477                                                                                         opj_stream_t *p_stream
 478                                                                                         )
 479 {
 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;
 483
 484                 if (! l_codec->is_decompressor) {
 485                         return OPJ_FALSE;
 486                 }
 487
 488                 return l_codec->m_codec_data.m_decompression.opj_decode_tile_data(      l_codec->m_codec,
 489                                                                                                                                                         p_tile_index,
 490                                                                                                                                                         p_data,
 491                                                                                                                                                         p_data_size,
 492                                                                                                                                                         l_stream,
 493                                                                                                                                                         &(l_codec->m_event_mgr) );
 494         }
 495         return OPJ_FALSE;
 496 }
 497
 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)
 502 {
 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;
 506
 507                 if (! l_codec->is_decompressor) {
 508                         return OPJ_FALSE;
 509                 }
 510
 511                 return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile(      l_codec->m_codec,
 512                                                                                                                                                         l_stream,
 513                                                                                                                                                         p_image,
 514                                                                                                                                                         &(l_codec->m_event_mgr),
 515                                                                                                                                                         tile_index);
 516         }
 517
 518         return OPJ_FALSE;
 519 }
 520
 521 OPJ_BOOL OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec,
 522                                                                                                                 OPJ_UINT32 res_factor )
 523 {
 524         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 525
 526         if ( !l_codec ){
 527                 return OPJ_FALSE;
 528         }
 529
 530         return l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(l_codec->m_codec,
 531                                                                                                                                                         res_factor,
 532                                                                                                                                                         &(l_codec->m_event_mgr) );
 533 }
 534
 535 /* ---------------------------------------------------------------------- */
 536 /* COMPRESSION FUNCTIONS*/
 537
 538 opj_codec_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT p_format)
 539 {
 540         opj_codec_private_t *l_codec = 00;
 541
 542         l_codec = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t));
 543         if (!l_codec) {
 544                 return 00;
 545         }
 546
 547         l_codec->is_decompressor = 0;
 548
 549         switch(p_format) {
 550                 case OPJ_CODEC_J2K:
 551                         l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL (*) (void *,
 552                                                                                                                                                         struct opj_stream_private *,
 553                                                                                                                                                         struct opj_event_mgr * )) opj_j2k_encode;
 554
 555                         l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL (*) (  void *,
 556                                                                                                                                                                         struct opj_stream_private *,
 557                                                                                                                                                                         struct opj_event_mgr *)) opj_j2k_end_compress;
 558
 559                         l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL (*) (void *,
 560                                                                                                                                                                         struct opj_stream_private *,
 561                                                                                                                                                                         struct opj_image * ,
 562                                                                                                                                                                         struct opj_event_mgr *)) opj_j2k_start_compress;
 563
 564                         l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL (*) (void *,
 565                                                                                                                                                                 OPJ_UINT32,
 566                                                                                                                                                                 OPJ_BYTE*,
 567                                                                                                                                                                 OPJ_UINT32,
 568                                                                                                                                                                 struct opj_stream_private *,
 569                                                                                                                                                                 struct opj_event_mgr *) ) opj_j2k_write_tile;
 570
 571                         l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) opj_j2k_destroy;
 572
 573                         l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL (*) ( void *,
 574                                                                                                                                                                 opj_cparameters_t *,
 575                                                                                                                                                                 struct opj_image *,
 576                                                                                                                                                                 struct opj_event_mgr * )) opj_j2k_setup_encoder;
 577
 578                         l_codec->m_codec = opj_j2k_create_compress();
 579                         if (! l_codec->m_codec) {
 580                                 opj_free(l_codec);
 581                                 return 00;
 582                         }
 583
 584                         break;
 585
 586                 case OPJ_CODEC_JP2:
 587                         /* get a JP2 decoder handle */
 588                         l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL (*) (void *,
 589                                                                                                                                                         struct opj_stream_private *,
 590                                                                                                                                                         struct opj_event_mgr * )) opj_jp2_encode;
 591
 592                         l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL (*) (  void *,
 593                                                                                                                                                                         struct opj_stream_private *,
 594                                                                                                                                                                         struct opj_event_mgr *)) opj_jp2_end_compress;
 595
 596                         l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL (*) (void *,
 597                                                                                                                                                                         struct opj_stream_private *,
 598                                                                                                                                                                         struct opj_image * ,
 599                                                                                                                                                                         struct opj_event_mgr *))  opj_jp2_start_compress;
 600
 601                         l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL (*) (void *,
 602                                                                                                                                                                 OPJ_UINT32,
 603                                                                                                                                                                 OPJ_BYTE*,
 604                                                                                                                                                                 OPJ_UINT32,
 605                                                                                                                                                                 struct opj_stream_private *,
 606                                                                                                                                                                 struct opj_event_mgr *)) opj_jp2_write_tile;
 607
 608                         l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) opj_jp2_destroy;
 609
 610                         l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL (*) ( void *,
 611                                                                                                                                                                 opj_cparameters_t *,
 612                                                                                                                                                                 struct opj_image *,
 613                                                                                                                                                                 struct opj_event_mgr * )) opj_jp2_setup_encoder;
 614
 615                         l_codec->m_codec = opj_jp2_create(OPJ_FALSE);
 616                         if (! l_codec->m_codec) {
 617                                 opj_free(l_codec);
 618                                 return 00;
 619                         }
 620
 621                         break;
 622
 623                 case OPJ_CODEC_UNKNOWN:
 624                 case OPJ_CODEC_JPT:
 625                 default:
 626                         opj_free(l_codec);
 627                         return 00;
 628         }
 629
 630         opj_set_default_event_handler(&(l_codec->m_event_mgr));
 631         return (opj_codec_t*) l_codec;
 632 }
 633
 634 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
 635         if(parameters) {
 636                 memset(parameters, 0, sizeof(opj_cparameters_t));
 637                 /* default coding parameters */
 638         parameters->cp_cinema = OPJ_OFF; /* DEPRECATED */
 639         parameters->rsiz = OPJ_PROFILE_NONE;
 640                 parameters->max_comp_size = 0;
 641                 parameters->numresolution = 6;
 642         parameters->cp_rsiz = OPJ_STD_RSIZ; /* DEPRECATED */
 643                 parameters->cblockw_init = 64;
 644                 parameters->cblockh_init = 64;
 645                 parameters->prog_order = OPJ_LRCP;
 646                 parameters->roi_compno = -1;            /* no ROI */
 647                 parameters->subsampling_dx = 1;
 648                 parameters->subsampling_dy = 1;
 649                 parameters->tp_on = 0;
 650                 parameters->decod_format = -1;
 651                 parameters->cod_format = -1;
 652                 parameters->tcp_rates[0] = 0;
 653                 parameters->tcp_numlayers = 0;
 654                 parameters->cp_disto_alloc = 0;
 655                 parameters->cp_fixed_alloc = 0;
 656                 parameters->cp_fixed_quality = 0;
 657                 parameters->jpip_on = OPJ_FALSE;
 658 /* UniPG>> */
 659 #ifdef USE_JPWL
 660                 parameters->jpwl_epc_on = OPJ_FALSE;
 661                 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
 662                 {
 663                         int i;
 664                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 665                                 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
 666                                 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
 667                         }
 668                 };
 669                 {
 670                         int i;
 671                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
 672                                 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
 673                                 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
 674                                 parameters->jpwl_pprot[i] = 0; /* absent */
 675                         }
 676                 };
 677                 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
 678                 parameters->jpwl_sens_addr = 0; /* 0 means auto */
 679                 parameters->jpwl_sens_range = 0; /* 0 means packet */
 680                 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
 681                 {
 682                         int i;
 683                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 684                                 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
 685                                 parameters->jpwl_sens_TPH[i] = -1; /* absent */
 686                         }
 687                 };
 688 #endif /* USE_JPWL */
 689 /* <<UniPG */
 690         }
 691 }
 692
 693 OPJ_BOOL OPJ_CALLCONV opj_setup_encoder(opj_codec_t *p_codec,
 694                                                                                 opj_cparameters_t *parameters,
 695                                                                                 opj_image_t *p_image)
 696 {
 697         if (p_codec && parameters && p_image) {
 698                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 699
 700                 if (! l_codec->is_decompressor) {
 701                         return l_codec->m_codec_data.m_compression.opj_setup_encoder(   l_codec->m_codec,
 702                                                                                                                                         parameters,
 703                                                                                                                                         p_image,
 704                                                                                                                                         &(l_codec->m_event_mgr) );
 705                 }
 706         }
 707
 708         return OPJ_FALSE;
 709 }
 710
 711 OPJ_BOOL OPJ_CALLCONV opj_start_compress (      opj_codec_t *p_codec,
 712                                                                                         opj_image_t * p_image,
 713                                                                                         opj_stream_t *p_stream)
 714 {
 715         if (p_codec && p_stream) {
 716                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 717                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 718
 719                 if (! l_codec->is_decompressor) {
 720                         return l_codec->m_codec_data.m_compression.opj_start_compress(  l_codec->m_codec,
 721                                                                                                                                                         l_stream,
 722                                                                                                                                                         p_image,
 723                                                                                                                                                         &(l_codec->m_event_mgr));
 724                 }
 725         }
 726
 727         return OPJ_FALSE;
 728 }
 729
 730 OPJ_BOOL OPJ_CALLCONV opj_encode(opj_codec_t *p_info, opj_stream_t *p_stream)
 731 {
 732         if (p_info && p_stream) {
 733                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_info;
 734                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 735
 736                 if (! l_codec->is_decompressor) {
 737                         return l_codec->m_codec_data.m_compression.opj_encode(  l_codec->m_codec,
 738                                                                                                                         l_stream,
 739                                                                                                                         &(l_codec->m_event_mgr));
 740                 }
 741         }
 742
 743         return OPJ_FALSE;
 744
 745 }
 746
 747 OPJ_BOOL OPJ_CALLCONV opj_end_compress (opj_codec_t *p_codec,
 748                                                                                 opj_stream_t *p_stream)
 749 {
 750         if (p_codec && p_stream) {
 751                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 752                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 753
 754                 if (! l_codec->is_decompressor) {
 755                         return l_codec->m_codec_data.m_compression.opj_end_compress(l_codec->m_codec,
 756                                                                                                                                                 l_stream,
 757                                                                                                                                                 &(l_codec->m_event_mgr));
 758                 }
 759         }
 760         return OPJ_FALSE;
 761
 762 }
 763
 764 OPJ_BOOL OPJ_CALLCONV opj_end_decompress (      opj_codec_t *p_codec,
 765                                                                                         opj_stream_t *p_stream)
 766 {
 767         if (p_codec && p_stream) {
 768                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 769                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 770
 771                 if (! l_codec->is_decompressor) {
 772                         return OPJ_FALSE;
 773                 }
 774
 775                 return l_codec->m_codec_data.m_decompression.opj_end_decompress(l_codec->m_codec,
 776                                                                                                                                                 l_stream,
 777                                                                                                                                                 &(l_codec->m_event_mgr) );
 778         }
 779
 780         return OPJ_FALSE;
 781 }
 782
 783 OPJ_BOOL OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,
 784                                   OPJ_FLOAT32 * pEncodingMatrix,
 785                                   OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp)
 786 {
 787         OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
 788         OPJ_UINT32 l_dc_shift_size = pNbComp * (OPJ_UINT32)sizeof(OPJ_INT32);
 789         OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
 790
 791         /* add MCT capability */
 792     if (OPJ_IS_PART2(parameters->rsiz)) {
 793         parameters->rsiz |= OPJ_EXTENSION_MCT;
 794     } else {
 795         parameters->rsiz = ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT));
 796     }
 797         parameters->irreversible = 1;
 798
 799         /* use array based MCT */
 800         parameters->tcp_mct = 2;
 801         parameters->mct_data = opj_malloc(l_mct_total_size);
 802         if (! parameters->mct_data) {
 803                 return OPJ_FALSE;
 804         }
 805
 806         memcpy(parameters->mct_data,pEncodingMatrix,l_matrix_size);
 807         memcpy(((OPJ_BYTE *) parameters->mct_data) +  l_matrix_size,p_dc_shift,l_dc_shift_size);
 808
 809         return OPJ_TRUE;
 810 }
 811
 812 OPJ_BOOL OPJ_CALLCONV opj_write_tile (  opj_codec_t *p_codec,
 813                                                                                 OPJ_UINT32 p_tile_index,
 814                                                                                 OPJ_BYTE * p_data,
 815                                                                                 OPJ_UINT32 p_data_size,
 816                                                                                 opj_stream_t *p_stream )
 817 {
 818         if (p_codec && p_stream && p_data) {
 819                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 820                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 821
 822                 if (l_codec->is_decompressor) {
 823                         return OPJ_FALSE;
 824                 }
 825
 826                 return l_codec->m_codec_data.m_compression.opj_write_tile(      l_codec->m_codec,
 827                                                                                                                                         p_tile_index,
 828                                                                                                                                         p_data,
 829                                                                                                                                         p_data_size,
 830                                                                                                                                         l_stream,
 831                                                                                                                                         &(l_codec->m_event_mgr) );
 832         }
 833
 834         return OPJ_FALSE;
 835 }
 836
 837 /* ---------------------------------------------------------------------- */
 838
 839 void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
 840 {
 841         if (p_codec) {
 842                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 843
 844                 if (l_codec->is_decompressor) {
 845                         l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec);
 846                 }
 847                 else {
 848                         l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec);
 849                 }
 850
 851                 l_codec->m_codec = 00;
 852                 opj_free(l_codec);
 853         }
 854 }
 855
 856 /* ---------------------------------------------------------------------- */
 857
 858 void OPJ_CALLCONV opj_dump_codec(       opj_codec_t *p_codec,
 859                                                                         OPJ_INT32 info_flag,
 860                                                                         FILE* output_stream)
 861 {
 862         if (p_codec) {
 863                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 864
 865                 l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
 866                 return;
 867         }
 868
 869         /* TODO return error */
 870         /* fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n"); */
 871         return;
 872 }
 873
 874 opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
 875 {
 876         if (p_codec) {
 877                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 878
 879                 return l_codec->opj_get_codec_info(l_codec->m_codec);
 880         }
 881
 882         return NULL;
 883 }
 884
 885 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_v2_t **cstr_info) {
 886         if (cstr_info) {
 887
 888                 if ((*cstr_info)->m_default_tile_info.tccp_info){
 889                         opj_free((*cstr_info)->m_default_tile_info.tccp_info);
 890                 }
 891
 892                 if ((*cstr_info)->tile_info){
 893                         /* FIXME not used for the moment*/
 894                 }
 895
 896                 opj_free((*cstr_info));
 897                 (*cstr_info) = NULL;
 898         }
 899 }
 900
 901 opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
 902 {
 903         if (p_codec) {
 904                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 905
 906                 return l_codec->opj_get_codec_index(l_codec->m_codec);
 907         }
 908
 909         return NULL;
 910 }
 911
 912 void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index)
 913 {
 914         if (*p_cstr_index){
 915                 j2k_destroy_cstr_index(*p_cstr_index);
 916                 (*p_cstr_index) = NULL;
 917         }
 918 }
 919
 920 opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (const char *fname, OPJ_BOOL p_is_read_stream)
 921 {
 922     return opj_stream_create_file_stream(fname, OPJ_J2K_STREAM_CHUNK_SIZE, p_is_read_stream);
 923 }
 924
 925 opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream (
 926         const char *fname,
 927                 OPJ_SIZE_T p_size,
 928         OPJ_BOOL p_is_read_stream)
 929 {
 930     opj_stream_t* l_stream = 00;
 931     FILE *p_file;
 932     const char *mode;
 933
 934     if (! fname) {
 935         return NULL;
 936     }
 937
 938     if(p_is_read_stream) mode = "rb"; else mode = "wb";
 939
 940     p_file = fopen(fname, mode);
 941
 942     if (! p_file) {
 943             return NULL;
 944     }
 945
 946     l_stream = opj_stream_create(p_size,p_is_read_stream);
 947     if (! l_stream) {
 948         fclose(p_file);
 949         return NULL;
 950     }
 951
 952     opj_stream_set_user_data(l_stream, p_file, (opj_stream_free_user_data_fn) fclose);
 953     opj_stream_set_user_data_length(l_stream, opj_get_data_length_from_file(p_file));
 954     opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file);
 955     opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_file);
 956     opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file);
 957     opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file);
 958
 959     return l_stream;
 960 }