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,
  92                                      FILE * p_file)
  93 {
  94     OPJ_SIZE_T l_nb_read = fread(p_buffer, 1, p_nb_bytes, p_file);
  95     return l_nb_read ? l_nb_read : (OPJ_SIZE_T) - 1;
  96 }
  97
  98 static OPJ_UINT64 opj_get_data_length_from_file(FILE * p_file)
  99 {
 100     OPJ_OFF_T file_length = 0;
 101
 102     OPJ_FSEEK(p_file, 0, SEEK_END);
 103     file_length = (OPJ_OFF_T)OPJ_FTELL(p_file);
 104     OPJ_FSEEK(p_file, 0, SEEK_SET);
 105
 106     return (OPJ_UINT64)file_length;
 107 }
 108
 109 static OPJ_SIZE_T opj_write_from_file(void * p_buffer, OPJ_SIZE_T p_nb_bytes,
 110                                       FILE * p_file)
 111 {
 112     return fwrite(p_buffer, 1, p_nb_bytes, p_file);
 113 }
 114
 115 static OPJ_OFF_T opj_skip_from_file(OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
 116 {
 117     if (OPJ_FSEEK(p_user_data, p_nb_bytes, SEEK_CUR)) {
 118         return -1;
 119     }
 120
 121     return p_nb_bytes;
 122 }
 123
 124 static OPJ_BOOL opj_seek_from_file(OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
 125 {
 126     if (OPJ_FSEEK(p_user_data, p_nb_bytes, SEEK_SET)) {
 127         return OPJ_FALSE;
 128     }
 129
 130     return OPJ_TRUE;
 131 }
 132
 133 /* ---------------------------------------------------------------------- */
 134 #ifdef _WIN32
 135 #ifndef OPJ_STATIC
 136 BOOL APIENTRY
 137 DllMain(HINSTANCE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
 138 {
 139
 140     OPJ_ARG_NOT_USED(lpReserved);
 141     OPJ_ARG_NOT_USED(hModule);
 142
 143     switch (ul_reason_for_call) {
 144     case DLL_PROCESS_ATTACH :
 145         break;
 146     case DLL_PROCESS_DETACH :
 147         break;
 148     case DLL_THREAD_ATTACH :
 149     case DLL_THREAD_DETACH :
 150         break;
 151     }
 152
 153     return TRUE;
 154 }
 155 #endif /* OPJ_STATIC */
 156 #endif /* _WIN32 */
 157
 158 /* ---------------------------------------------------------------------- */
 159
 160 const char* OPJ_CALLCONV opj_version(void)
 161 {
 162     return OPJ_PACKAGE_VERSION;
 163 }
 164
 165 /* ---------------------------------------------------------------------- */
 166 /* DECOMPRESSION FUNCTIONS*/
 167
 168 opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format)
 169 {
 170     opj_codec_private_t *l_codec = 00;
 171
 172     l_codec = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
 173     if (!l_codec) {
 174         return 00;
 175     }
 176
 177     l_codec->is_decompressor = 1;
 178
 179     switch (p_format) {
 180     case OPJ_CODEC_J2K:
 181         l_codec->opj_dump_codec = (void (*)(void*, OPJ_INT32, FILE*)) j2k_dump;
 182
 183         l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*)(
 184                                            void*)) j2k_get_cstr_info;
 185
 186         l_codec->opj_get_codec_index = (opj_codestream_index_t* (*)(
 187                                             void*)) j2k_get_cstr_index;
 188
 189         l_codec->m_codec_data.m_decompression.opj_decode =
 190             (OPJ_BOOL(*)(void *,
 191                          struct opj_stream_private *,
 192                          opj_image_t*, struct opj_event_mgr *)) opj_j2k_decode;
 193
 194         l_codec->m_codec_data.m_decompression.opj_end_decompress =
 195             (OPJ_BOOL(*)(void *,
 196                          struct opj_stream_private *,
 197                          struct opj_event_mgr *)) opj_j2k_end_decompress;
 198
 199         l_codec->m_codec_data.m_decompression.opj_read_header =
 200             (OPJ_BOOL(*)(struct opj_stream_private *,
 201                          void *,
 202                          opj_image_t **,
 203                          struct opj_event_mgr *)) opj_j2k_read_header;
 204
 205         l_codec->m_codec_data.m_decompression.opj_destroy =
 206             (void (*)(void *))opj_j2k_destroy;
 207
 208         l_codec->m_codec_data.m_decompression.opj_setup_decoder =
 209             (void (*)(void *, opj_dparameters_t *)) opj_j2k_setup_decoder;
 210
 211         l_codec->m_codec_data.m_decompression.opj_read_tile_header =
 212             (OPJ_BOOL(*)(void *,
 213                          OPJ_UINT32*,
 214                          OPJ_UINT32*,
 215                          OPJ_INT32*, OPJ_INT32*,
 216                          OPJ_INT32*, OPJ_INT32*,
 217                          OPJ_UINT32*,
 218                          OPJ_BOOL*,
 219                          struct opj_stream_private *,
 220                          struct opj_event_mgr *)) opj_j2k_read_tile_header;
 221
 222         l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
 223             (OPJ_BOOL(*)(void *,
 224                          OPJ_UINT32,
 225                          OPJ_BYTE*,
 226                          OPJ_UINT32,
 227                          struct opj_stream_private *,
 228                          struct opj_event_mgr *)) opj_j2k_decode_tile;
 229
 230         l_codec->m_codec_data.m_decompression.opj_set_decode_area =
 231             (OPJ_BOOL(*)(void *,
 232                          opj_image_t*,
 233                          OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32,
 234                          struct opj_event_mgr *)) opj_j2k_set_decode_area;
 235
 236         l_codec->m_codec_data.m_decompression.opj_get_decoded_tile =
 237             (OPJ_BOOL(*)(void *p_codec,
 238                          opj_stream_private_t *p_cio,
 239                          opj_image_t *p_image,
 240                          struct opj_event_mgr * p_manager,
 241                          OPJ_UINT32 tile_index)) opj_j2k_get_tile;
 242
 243         l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor =
 244             (OPJ_BOOL(*)(void * p_codec,
 245                          OPJ_UINT32 res_factor,
 246                          struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_resolution_factor;
 247
 248         l_codec->m_codec_data.m_decompression.opj_set_decoded_components =
 249             (OPJ_BOOL(*)(void * p_codec,
 250                          OPJ_UINT32 numcomps,
 251                          const OPJ_UINT32 * comps_indices,
 252                          struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_components;
 253
 254         l_codec->opj_set_threads =
 255             (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_j2k_set_threads;
 256
 257         l_codec->m_codec = opj_j2k_create_decompress();
 258
 259         if (! l_codec->m_codec) {
 260             opj_free(l_codec);
 261             return NULL;
 262         }
 263
 264         break;
 265
 266     case OPJ_CODEC_JP2:
 267         /* get a JP2 decoder handle */
 268         l_codec->opj_dump_codec = (void (*)(void*, OPJ_INT32, FILE*)) jp2_dump;
 269
 270         l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*)(
 271                                            void*)) jp2_get_cstr_info;
 272
 273         l_codec->opj_get_codec_index = (opj_codestream_index_t* (*)(
 274                                             void*)) jp2_get_cstr_index;
 275
 276         l_codec->m_codec_data.m_decompression.opj_decode =
 277             (OPJ_BOOL(*)(void *,
 278                          struct opj_stream_private *,
 279                          opj_image_t*,
 280                          struct opj_event_mgr *)) opj_jp2_decode;
 281
 282         l_codec->m_codec_data.m_decompression.opj_end_decompress =
 283             (OPJ_BOOL(*)(void *,
 284                          struct opj_stream_private *,
 285                          struct opj_event_mgr *)) opj_jp2_end_decompress;
 286
 287         l_codec->m_codec_data.m_decompression.opj_read_header =
 288             (OPJ_BOOL(*)(struct opj_stream_private *,
 289                          void *,
 290                          opj_image_t **,
 291                          struct opj_event_mgr *)) opj_jp2_read_header;
 292
 293         l_codec->m_codec_data.m_decompression.opj_read_tile_header =
 294             (OPJ_BOOL(*)(void *,
 295                          OPJ_UINT32*,
 296                          OPJ_UINT32*,
 297                          OPJ_INT32*,
 298                          OPJ_INT32*,
 299                          OPJ_INT32 *,
 300                          OPJ_INT32 *,
 301                          OPJ_UINT32 *,
 302                          OPJ_BOOL *,
 303                          struct opj_stream_private *,
 304                          struct opj_event_mgr *)) opj_jp2_read_tile_header;
 305
 306         l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
 307             (OPJ_BOOL(*)(void *,
 308                          OPJ_UINT32, OPJ_BYTE*, OPJ_UINT32,
 309                          struct opj_stream_private *,
 310                          struct opj_event_mgr *)) opj_jp2_decode_tile;
 311
 312         l_codec->m_codec_data.m_decompression.opj_destroy = (void (*)(
 313                     void *))opj_jp2_destroy;
 314
 315         l_codec->m_codec_data.m_decompression.opj_setup_decoder =
 316             (void (*)(void *, opj_dparameters_t *)) opj_jp2_setup_decoder;
 317
 318         l_codec->m_codec_data.m_decompression.opj_set_decode_area =
 319             (OPJ_BOOL(*)(void *,
 320                          opj_image_t*,
 321                          OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32,
 322                          struct opj_event_mgr *)) opj_jp2_set_decode_area;
 323
 324         l_codec->m_codec_data.m_decompression.opj_get_decoded_tile =
 325             (OPJ_BOOL(*)(void *p_codec,
 326                          opj_stream_private_t *p_cio,
 327                          opj_image_t *p_image,
 328                          struct opj_event_mgr * p_manager,
 329                          OPJ_UINT32 tile_index)) opj_jp2_get_tile;
 330
 331         l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor =
 332             (OPJ_BOOL(*)(void * p_codec,
 333                          OPJ_UINT32 res_factor,
 334                          opj_event_mgr_t * p_manager)) opj_jp2_set_decoded_resolution_factor;
 335
 336         l_codec->m_codec_data.m_decompression.opj_set_decoded_components =
 337             (OPJ_BOOL(*)(void * p_codec,
 338                          OPJ_UINT32 numcomps,
 339                          const OPJ_UINT32 * comps_indices,
 340                          struct opj_event_mgr * p_manager)) opj_jp2_set_decoded_components;
 341
 342         l_codec->opj_set_threads =
 343             (OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_jp2_set_threads;
 344
 345         l_codec->m_codec = opj_jp2_create(OPJ_TRUE);
 346
 347         if (! l_codec->m_codec) {
 348             opj_free(l_codec);
 349             return 00;
 350         }
 351
 352         break;
 353     case OPJ_CODEC_UNKNOWN:
 354     case OPJ_CODEC_JPT:
 355     default:
 356         opj_free(l_codec);
 357         return 00;
 358     }
 359
 360     opj_set_default_event_handler(&(l_codec->m_event_mgr));
 361     return (opj_codec_t*) l_codec;
 362 }
 363
 364 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t
 365         *parameters)
 366 {
 367     if (parameters) {
 368         memset(parameters, 0, sizeof(opj_dparameters_t));
 369         /* default decoding parameters */
 370         parameters->cp_layer = 0;
 371         parameters->cp_reduce = 0;
 372
 373         parameters->decod_format = -1;
 374         parameters->cod_format = -1;
 375         parameters->flags = 0;
 376         /* UniPG>> */
 377 #ifdef USE_JPWL
 378         parameters->jpwl_correct = OPJ_FALSE;
 379         parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
 380         parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
 381 #endif /* USE_JPWL */
 382         /* <<UniPG */
 383     }
 384 }
 385
 386
 387 OPJ_BOOL OPJ_CALLCONV opj_codec_set_threads(opj_codec_t *p_codec,
 388         int num_threads)
 389 {
 390     if (p_codec && (num_threads >= 0)) {
 391         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 392
 393         return l_codec->opj_set_threads(l_codec->m_codec, (OPJ_UINT32)num_threads);
 394     }
 395     return OPJ_FALSE;
 396 }
 397
 398 OPJ_BOOL OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec,
 399                                         opj_dparameters_t *parameters
 400                                        )
 401 {
 402     if (p_codec && parameters) {
 403         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 404
 405         if (! l_codec->is_decompressor) {
 406             opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
 407                           "Codec provided to the opj_setup_decoder function is not a decompressor handler.\n");
 408             return OPJ_FALSE;
 409         }
 410
 411         l_codec->m_codec_data.m_decompression.opj_setup_decoder(l_codec->m_codec,
 412                 parameters);
 413         return OPJ_TRUE;
 414     }
 415     return OPJ_FALSE;
 416 }
 417
 418 OPJ_BOOL OPJ_CALLCONV opj_read_header(opj_stream_t *p_stream,
 419                                       opj_codec_t *p_codec,
 420                                       opj_image_t **p_image)
 421 {
 422     if (p_codec && p_stream) {
 423         opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 424         opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream;
 425
 426         if (! l_codec->is_decompressor) {
 427             opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR,
 428                           "Codec provided to the opj_read_header function is not a decompressor handler.\n");
 429             return OPJ_FALSE;
 430         }
 431
 432         return l_codec->m_codec_data.m_decompression.opj_read_header(l_stream,
 433                 l_codec->m_codec,
 434                 p_image,
 435                 &(l_codec->m_event_mgr));
 436     }
 437
 438     return OPJ_FALSE;
 439 }
 440
 441
 442 OPJ_BOOL OPJ_CALLCONV opj_set_decoded_components(opj_codec_t *p_codec,
 443         OPJ_UINT32 numcomps,
 444         const OPJ_UINT32* comps_indices)
 445 {
 446     if (p_codec) {
 447         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 448
 449         if (! l_codec->is_decompressor) {
 450             return OPJ_FALSE;
 451         }
 452
 453         return  l_codec->m_codec_data.m_decompression.opj_set_decoded_components(
 454                     l_codec->m_codec,
 455                     numcomps,
 456                     comps_indices,
 457                     &(l_codec->m_event_mgr));
 458     }
 459     return OPJ_FALSE;
 460 }
 461
 462 OPJ_BOOL OPJ_CALLCONV opj_decode(opj_codec_t *p_codec,
 463                                  opj_stream_t *p_stream,
 464                                  opj_image_t* p_image)
 465 {
 466     if (p_codec && p_stream) {
 467         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 468         opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 469
 470         if (! l_codec->is_decompressor) {
 471             return OPJ_FALSE;
 472         }
 473
 474         return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec,
 475                 l_stream,
 476                 p_image,
 477                 &(l_codec->m_event_mgr));
 478     }
 479
 480     return OPJ_FALSE;
 481 }
 482
 483 OPJ_BOOL OPJ_CALLCONV opj_set_decode_area(opj_codec_t *p_codec,
 484         opj_image_t* p_image,
 485         OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
 486         OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
 487                                          )
 488 {
 489     if (p_codec) {
 490         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 491
 492         if (! l_codec->is_decompressor) {
 493             return OPJ_FALSE;
 494         }
 495
 496         return  l_codec->m_codec_data.m_decompression.opj_set_decode_area(
 497                     l_codec->m_codec,
 498                     p_image,
 499                     p_start_x, p_start_y,
 500                     p_end_x, p_end_y,
 501                     &(l_codec->m_event_mgr));
 502     }
 503     return OPJ_FALSE;
 504 }
 505
 506 OPJ_BOOL OPJ_CALLCONV opj_read_tile_header(opj_codec_t *p_codec,
 507         opj_stream_t * p_stream,
 508         OPJ_UINT32 * p_tile_index,
 509         OPJ_UINT32 * p_data_size,
 510         OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
 511         OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
 512         OPJ_UINT32 * p_nb_comps,
 513         OPJ_BOOL * p_should_go_on)
 514 {
 515     if (p_codec && p_stream && p_data_size && p_tile_index) {
 516         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 517         opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 518
 519         if (! l_codec->is_decompressor) {
 520             return OPJ_FALSE;
 521         }
 522
 523         return l_codec->m_codec_data.m_decompression.opj_read_tile_header(
 524                    l_codec->m_codec,
 525                    p_tile_index,
 526                    p_data_size,
 527                    p_tile_x0, p_tile_y0,
 528                    p_tile_x1, p_tile_y1,
 529                    p_nb_comps,
 530                    p_should_go_on,
 531                    l_stream,
 532                    &(l_codec->m_event_mgr));
 533     }
 534     return OPJ_FALSE;
 535 }
 536
 537 OPJ_BOOL OPJ_CALLCONV opj_decode_tile_data(opj_codec_t *p_codec,
 538         OPJ_UINT32 p_tile_index,
 539         OPJ_BYTE * p_data,
 540         OPJ_UINT32 p_data_size,
 541         opj_stream_t *p_stream
 542                                           )
 543 {
 544     if (p_codec && p_data && p_stream) {
 545         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 546         opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 547
 548         if (! l_codec->is_decompressor) {
 549             return OPJ_FALSE;
 550         }
 551
 552         return l_codec->m_codec_data.m_decompression.opj_decode_tile_data(
 553                    l_codec->m_codec,
 554                    p_tile_index,
 555                    p_data,
 556                    p_data_size,
 557                    l_stream,
 558                    &(l_codec->m_event_mgr));
 559     }
 560     return OPJ_FALSE;
 561 }
 562
 563 OPJ_BOOL OPJ_CALLCONV opj_get_decoded_tile(opj_codec_t *p_codec,
 564         opj_stream_t *p_stream,
 565         opj_image_t *p_image,
 566         OPJ_UINT32 tile_index)
 567 {
 568     if (p_codec && p_stream) {
 569         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 570         opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 571
 572         if (! l_codec->is_decompressor) {
 573             return OPJ_FALSE;
 574         }
 575
 576         return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile(
 577                    l_codec->m_codec,
 578                    l_stream,
 579                    p_image,
 580                    &(l_codec->m_event_mgr),
 581                    tile_index);
 582     }
 583
 584     return OPJ_FALSE;
 585 }
 586
 587 OPJ_BOOL OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec,
 588         OPJ_UINT32 res_factor)
 589 {
 590     opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 591
 592     if (!l_codec) {
 593         return OPJ_FALSE;
 594     }
 595
 596     return l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(
 597                l_codec->m_codec,
 598                res_factor,
 599                &(l_codec->m_event_mgr));
 600 }
 601
 602 /* ---------------------------------------------------------------------- */
 603 /* COMPRESSION FUNCTIONS*/
 604
 605 opj_codec_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT p_format)
 606 {
 607     opj_codec_private_t *l_codec = 00;
 608
 609     l_codec = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t));
 610     if (!l_codec) {
 611         return 00;
 612     }
 613
 614     l_codec->is_decompressor = 0;
 615
 616     switch (p_format) {
 617     case OPJ_CODEC_J2K:
 618         l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL(*)(void *,
 619                 struct opj_stream_private *,
 620                 struct opj_event_mgr *)) opj_j2k_encode;
 621
 622         l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL(*)(void *,
 623                 struct opj_stream_private *,
 624                 struct opj_event_mgr *)) opj_j2k_end_compress;
 625
 626         l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL(*)(void *,
 627                 struct opj_stream_private *,
 628                 struct opj_image *,
 629                 struct opj_event_mgr *)) opj_j2k_start_compress;
 630
 631         l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL(*)(void *,
 632                 OPJ_UINT32,
 633                 OPJ_BYTE*,
 634                 OPJ_UINT32,
 635                 struct opj_stream_private *,
 636                 struct opj_event_mgr *)) opj_j2k_write_tile;
 637
 638         l_codec->m_codec_data.m_compression.opj_destroy = (void (*)(
 639                     void *)) opj_j2k_destroy;
 640
 641         l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL(*)(void *,
 642                 opj_cparameters_t *,
 643                 struct opj_image *,
 644                 struct opj_event_mgr *)) opj_j2k_setup_encoder;
 645
 646         l_codec->m_codec = opj_j2k_create_compress();
 647         if (! l_codec->m_codec) {
 648             opj_free(l_codec);
 649             return 00;
 650         }
 651
 652         break;
 653
 654     case OPJ_CODEC_JP2:
 655         /* get a JP2 decoder handle */
 656         l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL(*)(void *,
 657                 struct opj_stream_private *,
 658                 struct opj_event_mgr *)) opj_jp2_encode;
 659
 660         l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL(*)(void *,
 661                 struct opj_stream_private *,
 662                 struct opj_event_mgr *)) opj_jp2_end_compress;
 663
 664         l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL(*)(void *,
 665                 struct opj_stream_private *,
 666                 struct opj_image *,
 667                 struct opj_event_mgr *))  opj_jp2_start_compress;
 668
 669         l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL(*)(void *,
 670                 OPJ_UINT32,
 671                 OPJ_BYTE*,
 672                 OPJ_UINT32,
 673                 struct opj_stream_private *,
 674                 struct opj_event_mgr *)) opj_jp2_write_tile;
 675
 676         l_codec->m_codec_data.m_compression.opj_destroy = (void (*)(
 677                     void *)) opj_jp2_destroy;
 678
 679         l_codec->m_codec_data.m_compression.opj_setup_encoder = (OPJ_BOOL(*)(void *,
 680                 opj_cparameters_t *,
 681                 struct opj_image *,
 682                 struct opj_event_mgr *)) opj_jp2_setup_encoder;
 683
 684         l_codec->m_codec = opj_jp2_create(OPJ_FALSE);
 685         if (! l_codec->m_codec) {
 686             opj_free(l_codec);
 687             return 00;
 688         }
 689
 690         break;
 691
 692     case OPJ_CODEC_UNKNOWN:
 693     case OPJ_CODEC_JPT:
 694     default:
 695         opj_free(l_codec);
 696         return 00;
 697     }
 698
 699     opj_set_default_event_handler(&(l_codec->m_event_mgr));
 700     return (opj_codec_t*) l_codec;
 701 }
 702
 703 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t
 704         *parameters)
 705 {
 706     if (parameters) {
 707         memset(parameters, 0, sizeof(opj_cparameters_t));
 708         /* default coding parameters */
 709         parameters->cp_cinema = OPJ_OFF; /* DEPRECATED */
 710         parameters->rsiz = OPJ_PROFILE_NONE;
 711         parameters->max_comp_size = 0;
 712         parameters->numresolution = 6;
 713         parameters->cp_rsiz = OPJ_STD_RSIZ; /* DEPRECATED */
 714         parameters->cblockw_init = 64;
 715         parameters->cblockh_init = 64;
 716         parameters->prog_order = OPJ_LRCP;
 717         parameters->roi_compno = -1;        /* no ROI */
 718         parameters->subsampling_dx = 1;
 719         parameters->subsampling_dy = 1;
 720         parameters->tp_on = 0;
 721         parameters->decod_format = -1;
 722         parameters->cod_format = -1;
 723         parameters->tcp_rates[0] = 0;
 724         parameters->tcp_numlayers = 0;
 725         parameters->cp_disto_alloc = 0;
 726         parameters->cp_fixed_alloc = 0;
 727         parameters->cp_fixed_quality = 0;
 728         parameters->jpip_on = OPJ_FALSE;
 729         /* UniPG>> */
 730 #ifdef USE_JPWL
 731         parameters->jpwl_epc_on = OPJ_FALSE;
 732         parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
 733         {
 734             int i;
 735             for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 736                 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
 737                 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
 738             }
 739         };
 740         {
 741             int i;
 742             for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
 743                 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
 744                 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
 745                 parameters->jpwl_pprot[i] = 0; /* absent */
 746             }
 747         };
 748         parameters->jpwl_sens_size = 0; /* 0 means no ESD */
 749         parameters->jpwl_sens_addr = 0; /* 0 means auto */
 750         parameters->jpwl_sens_range = 0; /* 0 means packet */
 751         parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
 752         {
 753             int i;
 754             for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 755                 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
 756                 parameters->jpwl_sens_TPH[i] = -1; /* absent */
 757             }
 758         };
 759 #endif /* USE_JPWL */
 760         /* <<UniPG */
 761     }
 762 }
 763
 764 OPJ_BOOL OPJ_CALLCONV opj_setup_encoder(opj_codec_t *p_codec,
 765                                         opj_cparameters_t *parameters,
 766                                         opj_image_t *p_image)
 767 {
 768     if (p_codec && parameters && p_image) {
 769         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 770
 771         if (! l_codec->is_decompressor) {
 772             return l_codec->m_codec_data.m_compression.opj_setup_encoder(l_codec->m_codec,
 773                     parameters,
 774                     p_image,
 775                     &(l_codec->m_event_mgr));
 776         }
 777     }
 778
 779     return OPJ_FALSE;
 780 }
 781
 782 OPJ_BOOL OPJ_CALLCONV opj_start_compress(opj_codec_t *p_codec,
 783         opj_image_t * p_image,
 784         opj_stream_t *p_stream)
 785 {
 786     if (p_codec && p_stream) {
 787         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 788         opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 789
 790         if (! l_codec->is_decompressor) {
 791             return l_codec->m_codec_data.m_compression.opj_start_compress(l_codec->m_codec,
 792                     l_stream,
 793                     p_image,
 794                     &(l_codec->m_event_mgr));
 795         }
 796     }
 797
 798     return OPJ_FALSE;
 799 }
 800
 801 OPJ_BOOL OPJ_CALLCONV opj_encode(opj_codec_t *p_info, opj_stream_t *p_stream)
 802 {
 803     if (p_info && p_stream) {
 804         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_info;
 805         opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 806
 807         if (! l_codec->is_decompressor) {
 808             return l_codec->m_codec_data.m_compression.opj_encode(l_codec->m_codec,
 809                     l_stream,
 810                     &(l_codec->m_event_mgr));
 811         }
 812     }
 813
 814     return OPJ_FALSE;
 815
 816 }
 817
 818 OPJ_BOOL OPJ_CALLCONV opj_end_compress(opj_codec_t *p_codec,
 819                                        opj_stream_t *p_stream)
 820 {
 821     if (p_codec && p_stream) {
 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;
 824
 825         if (! l_codec->is_decompressor) {
 826             return l_codec->m_codec_data.m_compression.opj_end_compress(l_codec->m_codec,
 827                     l_stream,
 828                     &(l_codec->m_event_mgr));
 829         }
 830     }
 831     return OPJ_FALSE;
 832
 833 }
 834
 835 OPJ_BOOL OPJ_CALLCONV opj_end_decompress(opj_codec_t *p_codec,
 836         opj_stream_t *p_stream)
 837 {
 838     if (p_codec && p_stream) {
 839         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 840         opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 841
 842         if (! l_codec->is_decompressor) {
 843             return OPJ_FALSE;
 844         }
 845
 846         return l_codec->m_codec_data.m_decompression.opj_end_decompress(
 847                    l_codec->m_codec,
 848                    l_stream,
 849                    &(l_codec->m_event_mgr));
 850     }
 851
 852     return OPJ_FALSE;
 853 }
 854
 855 OPJ_BOOL OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,
 856                                   OPJ_FLOAT32 * pEncodingMatrix,
 857                                   OPJ_INT32 * p_dc_shift, OPJ_UINT32 pNbComp)
 858 {
 859     OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
 860     OPJ_UINT32 l_dc_shift_size = pNbComp * (OPJ_UINT32)sizeof(OPJ_INT32);
 861     OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
 862
 863     /* add MCT capability */
 864     if (OPJ_IS_PART2(parameters->rsiz)) {
 865         parameters->rsiz |= OPJ_EXTENSION_MCT;
 866     } else {
 867         parameters->rsiz = ((OPJ_PROFILE_PART2) | (OPJ_EXTENSION_MCT));
 868     }
 869     parameters->irreversible = 1;
 870
 871     /* use array based MCT */
 872     parameters->tcp_mct = 2;
 873     parameters->mct_data = opj_malloc(l_mct_total_size);
 874     if (! parameters->mct_data) {
 875         return OPJ_FALSE;
 876     }
 877
 878     memcpy(parameters->mct_data, pEncodingMatrix, l_matrix_size);
 879     memcpy(((OPJ_BYTE *) parameters->mct_data) +  l_matrix_size, p_dc_shift,
 880            l_dc_shift_size);
 881
 882     return OPJ_TRUE;
 883 }
 884
 885 OPJ_BOOL OPJ_CALLCONV opj_write_tile(opj_codec_t *p_codec,
 886                                      OPJ_UINT32 p_tile_index,
 887                                      OPJ_BYTE * p_data,
 888                                      OPJ_UINT32 p_data_size,
 889                                      opj_stream_t *p_stream)
 890 {
 891     if (p_codec && p_stream && p_data) {
 892         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 893         opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 894
 895         if (l_codec->is_decompressor) {
 896             return OPJ_FALSE;
 897         }
 898
 899         return l_codec->m_codec_data.m_compression.opj_write_tile(l_codec->m_codec,
 900                 p_tile_index,
 901                 p_data,
 902                 p_data_size,
 903                 l_stream,
 904                 &(l_codec->m_event_mgr));
 905     }
 906
 907     return OPJ_FALSE;
 908 }
 909
 910 /* ---------------------------------------------------------------------- */
 911
 912 void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
 913 {
 914     if (p_codec) {
 915         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 916
 917         if (l_codec->is_decompressor) {
 918             l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec);
 919         } else {
 920             l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec);
 921         }
 922
 923         l_codec->m_codec = 00;
 924         opj_free(l_codec);
 925     }
 926 }
 927
 928 /* ---------------------------------------------------------------------- */
 929
 930 void OPJ_CALLCONV opj_dump_codec(opj_codec_t *p_codec,
 931                                  OPJ_INT32 info_flag,
 932                                  FILE* output_stream)
 933 {
 934     if (p_codec) {
 935         opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 936
 937         l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
 938         return;
 939     }
 940
 941     /* TODO return error */
 942     /* fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n"); */
 943     return;
 944 }
 945
 946 opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
 947 {
 948     if (p_codec) {
 949         opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 950
 951         return l_codec->opj_get_codec_info(l_codec->m_codec);
 952     }
 953
 954     return NULL;
 955 }
 956
 957 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_v2_t **cstr_info)
 958 {
 959     if (cstr_info) {
 960
 961         if ((*cstr_info)->m_default_tile_info.tccp_info) {
 962             opj_free((*cstr_info)->m_default_tile_info.tccp_info);
 963         }
 964
 965         if ((*cstr_info)->tile_info) {
 966             /* FIXME not used for the moment*/
 967         }
 968
 969         opj_free((*cstr_info));
 970         (*cstr_info) = NULL;
 971     }
 972 }
 973
 974 opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
 975 {
 976     if (p_codec) {
 977         opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 978
 979         return l_codec->opj_get_codec_index(l_codec->m_codec);
 980     }
 981
 982     return NULL;
 983 }
 984
 985 void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index)
 986 {
 987     if (*p_cstr_index) {
 988         j2k_destroy_cstr_index(*p_cstr_index);
 989         (*p_cstr_index) = NULL;
 990     }
 991 }
 992
 993 opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream(
 994     const char *fname, OPJ_BOOL p_is_read_stream)
 995 {
 996     return opj_stream_create_file_stream(fname, OPJ_J2K_STREAM_CHUNK_SIZE,
 997                                          p_is_read_stream);
 998 }
 999
1000 opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream(
1001     const char *fname,
1002     OPJ_SIZE_T p_size,
1003     OPJ_BOOL p_is_read_stream)
1004 {
1005     opj_stream_t* l_stream = 00;
1006     FILE *p_file;
1007     const char *mode;
1008
1009     if (! fname) {
1010         return NULL;
1011     }
1012
1013     if (p_is_read_stream) {
1014         mode = "rb";
1015     } else {
1016         mode = "wb";
1017     }
1018
1019     p_file = fopen(fname, mode);
1020
1021     if (! p_file) {
1022         return NULL;
1023     }
1024
1025     l_stream = opj_stream_create(p_size, p_is_read_stream);
1026     if (! l_stream) {
1027         fclose(p_file);
1028         return NULL;
1029     }
1030
1031     opj_stream_set_user_data(l_stream, p_file,
1032                              (opj_stream_free_user_data_fn) fclose);
1033     opj_stream_set_user_data_length(l_stream,
1034                                     opj_get_data_length_from_file(p_file));
1035     opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file);
1036     opj_stream_set_write_function(l_stream,
1037                                   (opj_stream_write_fn) opj_write_from_file);
1038     opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file);
1039     opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file);
1040
1041     return l_stream;
1042 }
1043
1044
1045 void* OPJ_CALLCONV opj_image_data_alloc(OPJ_SIZE_T size)
1046 {
1047     void* ret = opj_aligned_malloc(size);
1048     /* printf("opj_image_data_alloc %p\n", ret); */
1049     return ret;
1050 }
1051
1052 void OPJ_CALLCONV opj_image_data_free(void* ptr)
1053 {
1054     /* printf("opj_image_data_free %p\n", ptr); */
1055     opj_aligned_free(ptr);
1056 }