libopenjpeg/openjpeg.c

   1 /*
   2  * Copyright (c) 2005, Herve Drolon, FreeImage Team
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
  15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  18  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  20  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  22  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  23  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  24  * POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #ifdef _WIN32
  28 #include <windows.h>
  29 #endif /* _WIN32 */
  30
  31 #include "opj_config.h"
  32 #include "opj_includes.h"
  33
  34
  35 /**
  36  * Decompression handler.
  37  */
  38 typedef struct opj_decompression
  39 {
  40         /** Main header reading function handler*/
  41         opj_bool (*opj_read_header) (   struct opj_stream_private * cio,
  42                                                                         void * p_codec,
  43                                                                         opj_image_t **p_image,
  44                                                                         struct opj_event_mgr * p_manager);
  45         /** Decoding function */
  46         opj_bool (*opj_decode) (        void * p_codec,
  47                                                                 struct opj_stream_private *p_cio,
  48                                                                 opj_image_t *p_image,
  49                                                                 struct opj_event_mgr * p_manager);
  50         /** FIXME DOC */
  51         opj_bool (*opj_read_tile_header)(       void * p_codec,
  52                                                                                 OPJ_UINT32 * p_tile_index,
  53                                                                                 OPJ_UINT32* p_data_size,
  54                                                                                 OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
  55                                                                                 OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
  56                                                                                 OPJ_UINT32 * p_nb_comps,
  57                                                                                 opj_bool * p_should_go_on,
  58                                                                                 struct opj_stream_private *p_cio,
  59                                                                                 struct opj_event_mgr * p_manager);
  60         /** FIXME DOC */
  61         opj_bool (*opj_decode_tile_data)(       void * p_codec,
  62                                                                                 OPJ_UINT32 p_tile_index,
  63                                                                                 OPJ_BYTE * p_data,
  64                                                                                 OPJ_UINT32 p_data_size,
  65                                                                                 struct opj_stream_private *p_cio,
  66                                                                                 struct opj_event_mgr * p_manager);
  67         /** Reading function used after codestream if necessary */
  68         opj_bool (* opj_end_decompress) (       void *p_codec,
  69                                                                                 struct opj_stream_private *cio,
  70                                                                                 struct opj_event_mgr * p_manager);
  71         /** Codec destroy function handler*/
  72         void (*opj_destroy) (void * p_codec);
  73         /** Setup decoder function handler */
  74         void (*opj_setup_decoder) (void * p_codec, opj_dparameters_t * p_param);
  75         /** Set decode area function handler */
  76         opj_bool (*opj_set_decode_area) (       void * p_codec,
  77                                                                                 opj_image_t* p_image,
  78                                                                                 OPJ_INT32 p_start_x, OPJ_INT32 p_end_x,
  79                                                                                 OPJ_INT32 p_start_y, OPJ_INT32 p_end_y,
  80                                                                                 struct opj_event_mgr * p_manager);
  81
  82         /** Get tile function */
  83         opj_bool (*opj_get_decoded_tile) (      void *p_codec,
  84                                                                                 opj_stream_private_t *p_cio,
  85                                                                                 opj_image_t *p_image,
  86                                                                                 struct opj_event_mgr * p_manager,
  87                                                                                 OPJ_UINT32 tile_index);
  88
  89         /** Set the decoded resolution factor */
  90         opj_bool (*opj_set_decoded_resolution_factor) (void * p_codec, OPJ_UINT32 res_factor, struct opj_event_mgr * p_manager);
  91
  92 }opj_decompression_t;
  93
  94 /**
  95  * Compression handler. FIXME DOC
  96  */
  97 typedef struct opj_compression
  98 {
  99         opj_bool (* opj_start_compress) (       void *p_codec,
 100                                                                                 struct opj_stream_private *cio,
 101                                                                                 struct opj_image * p_image,
 102                                                                                 struct opj_event_mgr * p_manager);
 103
 104         opj_bool (* opj_encode) (       void * p_codec,
 105                                                                 struct opj_stream_private *p_cio,
 106                                                                 struct opj_event_mgr * p_manager);
 107
 108         opj_bool (* opj_write_tile) (   void * p_codec,
 109                                                                         OPJ_UINT32 p_tile_index,
 110                                                                         OPJ_BYTE * p_data,
 111                                                                         OPJ_UINT32 p_data_size,
 112                                                                         struct opj_stream_private * p_cio,
 113                                                                         struct opj_event_mgr * p_manager);
 114
 115         opj_bool (* opj_end_compress) ( void * p_codec,
 116                                                                         struct opj_stream_private *p_cio,
 117                                                                         struct opj_event_mgr * p_manager);
 118
 119         void (* opj_destroy) (void * p_codec);
 120
 121         void (*opj_setup_encoder) (     void * p_codec,
 122                                                                 opj_cparameters_t * p_param,
 123                                                                 struct opj_image * p_image,
 124                                                                 struct opj_event_mgr * p_manager);
 125
 126 }opj_compression_t;
 127
 128 /**
 129  * Main codec handler used for compression or decompression.
 130  */
 131 typedef struct opj_codec_private
 132 {
 133         /** FIXME DOC */
 134         union
 135     {
 136         opj_decompression_t m_decompression;
 137         opj_compression_t m_compression;
 138     } m_codec_data;
 139     /** FIXME DOC*/
 140         void * m_codec;
 141         /** Event handler */
 142         opj_event_mgr_t m_event_mgr;
 143         /** Flag to indicate if the codec is used to decode or encode*/
 144         opj_bool is_decompressor;
 145         void (*opj_dump_codec) (void * p_codec, OPJ_INT32 info_flag, FILE* output_stream);
 146         opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec);
 147         opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec);
 148 }
 149 opj_codec_private_t;
 150
 151 /* ---------------------------------------------------------------------- */
 152 /**
 153  * Default callback function.
 154  * Do nothing.
 155  */
 156 void opj_default_callback (const char *msg, void *client_data)
 157 {
 158 }
 159
 160 void set_default_event_handler(opj_event_mgr_t * p_manager)
 161 {
 162         p_manager->m_error_data = 00;
 163         p_manager->m_warning_data = 00;
 164         p_manager->m_info_data = 00;
 165         p_manager->error_handler = opj_default_callback;
 166         p_manager->info_handler = opj_default_callback;
 167         p_manager->warning_handler = opj_default_callback;
 168 }
 169
 170 opj_bool OPJ_CALLCONV opj_set_info_handler(     opj_codec_t * p_codec,
 171                                                                                         opj_msg_callback p_callback,
 172                                                                                         void * p_user_data)
 173 {
 174         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 175         if(! l_codec){
 176                 return OPJ_FALSE;
 177         }
 178
 179         l_codec->m_event_mgr.info_handler = p_callback;
 180         l_codec->m_event_mgr.m_info_data = p_user_data;
 181
 182         return OPJ_TRUE;
 183 }
 184
 185 opj_bool OPJ_CALLCONV opj_set_warning_handler(  opj_codec_t * p_codec,
 186                                                                                                 opj_msg_callback p_callback,
 187                                                                                                 void * p_user_data)
 188 {
 189         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 190         if (! l_codec) {
 191                 return OPJ_FALSE;
 192         }
 193
 194         l_codec->m_event_mgr.warning_handler = p_callback;
 195         l_codec->m_event_mgr.m_warning_data = p_user_data;
 196
 197         return OPJ_TRUE;
 198 }
 199
 200 opj_bool OPJ_CALLCONV opj_set_error_handler(opj_codec_t * p_codec,
 201                                                                                         opj_msg_callback p_callback,
 202                                                                                         void * p_user_data)
 203 {
 204         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 205         if (! l_codec) {
 206                 return OPJ_FALSE;
 207         }
 208
 209         l_codec->m_event_mgr.error_handler = p_callback;
 210         l_codec->m_event_mgr.m_error_data = p_user_data;
 211
 212         return OPJ_TRUE;
 213 }
 214
 215 /* ---------------------------------------------------------------------- */
 216
 217
 218 OPJ_SIZE_T opj_read_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
 219 {
 220         OPJ_SIZE_T l_nb_read = fread(p_buffer,1,p_nb_bytes,p_file);
 221         return l_nb_read ? l_nb_read : -1;
 222 }
 223
 224 OPJ_UINT64 opj_get_data_length_from_file (FILE * p_file)
 225 {
 226         OPJ_OFF_T file_length = 0;
 227
 228         OPJ_FSEEK(p_file, 0, SEEK_END);
 229         file_length = (OPJ_UINT64)OPJ_FTELL(p_file);
 230         OPJ_FSEEK(p_file, 0, SEEK_SET);
 231
 232         return file_length;
 233 }
 234
 235 OPJ_SIZE_T opj_write_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
 236 {
 237         return fwrite(p_buffer,1,p_nb_bytes,p_file);
 238 }
 239
 240 OPJ_OFF_T opj_skip_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
 241 {
 242         if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_CUR)) {
 243                 return -1;
 244         }
 245
 246         return p_nb_bytes;
 247 }
 248
 249 opj_bool opj_seek_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
 250 {
 251         if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_SET)) {
 252                 return OPJ_FALSE;
 253         }
 254
 255         return OPJ_TRUE;
 256 }
 257
 258 /* ---------------------------------------------------------------------- */
 259 #ifdef _WIN32
 260 #ifndef OPJ_STATIC
 261 BOOL APIENTRY
 262 DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
 263
 264         OPJ_ARG_NOT_USED(lpReserved);
 265         OPJ_ARG_NOT_USED(hModule);
 266
 267         switch (ul_reason_for_call) {
 268                 case DLL_PROCESS_ATTACH :
 269                         break;
 270                 case DLL_PROCESS_DETACH :
 271                         break;
 272                 case DLL_THREAD_ATTACH :
 273                 case DLL_THREAD_DETACH :
 274                         break;
 275     }
 276
 277     return TRUE;
 278 }
 279 #endif /* OPJ_STATIC */
 280 #endif /* _WIN32 */
 281
 282 /* ---------------------------------------------------------------------- */
 283
 284
 285 const char* OPJ_CALLCONV opj_version(void) {
 286     return PACKAGE_VERSION;
 287 }
 288
 289 /* ---------------------------------------------------------------------- */
 290 /* DECOMPRESSION FUNCTIONS*/
 291
 292 opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format)
 293 {
 294         opj_codec_private_t *l_codec = 00;
 295
 296         l_codec = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
 297         if (!l_codec){
 298                 return 00;
 299         }
 300         memset(l_codec, 0, sizeof(opj_codec_private_t));
 301
 302         l_codec->is_decompressor = 1;
 303
 304         switch (p_format) {
 305                 case CODEC_J2K:
 306                         l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) j2k_dump;
 307
 308                         l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) j2k_get_cstr_info;
 309
 310                         l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) j2k_get_cstr_index;
 311
 312                         l_codec->m_codec_data.m_decompression.opj_decode =
 313                                         (opj_bool (*) ( void *,
 314                                                                         struct opj_stream_private *,
 315                                                                         opj_image_t*, struct opj_event_mgr * )) j2k_decode_v2;
 316
 317                         l_codec->m_codec_data.m_decompression.opj_end_decompress =
 318                                         (opj_bool (*) ( void *,
 319                                                                         struct opj_stream_private *,
 320                                                                         struct opj_event_mgr *)) j2k_end_decompress;
 321
 322                         l_codec->m_codec_data.m_decompression.opj_read_header =
 323                                         (opj_bool (*) ( struct opj_stream_private *,
 324                                                                         void *,
 325                                                                         opj_image_t **,
 326                                                                         struct opj_event_mgr * )) j2k_read_header;
 327
 328                         l_codec->m_codec_data.m_decompression.opj_destroy =
 329                                         (void (*) (void *))j2k_destroy;
 330
 331                         l_codec->m_codec_data.m_decompression.opj_setup_decoder =
 332                                         (void (*) (void * , opj_dparameters_t * )) j2k_setup_decoder_v2;
 333
 334                         l_codec->m_codec_data.m_decompression.opj_read_tile_header =
 335                                         (opj_bool (*) ( void *,
 336                                                                         OPJ_UINT32*,
 337                                                                         OPJ_UINT32*,
 338                                                                         OPJ_INT32*, OPJ_INT32*,
 339                                                                         OPJ_INT32*, OPJ_INT32*,
 340                                                                         OPJ_UINT32*,
 341                                                                         opj_bool*,
 342                                                                         struct opj_stream_private *,
 343                                                                         struct opj_event_mgr * )) j2k_read_tile_header;
 344
 345                         l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
 346                                         (opj_bool (*) (void *, OPJ_UINT32, OPJ_BYTE*, OPJ_UINT32, struct opj_stream_private *, struct opj_event_mgr *)) j2k_decode_tile;
 347
 348                         l_codec->m_codec_data.m_decompression.opj_set_decode_area =
 349                                         (opj_bool (*) (void *, opj_image_t*, OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32, struct opj_event_mgr *)) j2k_set_decode_area;
 350
 351                         l_codec->m_codec_data.m_decompression.opj_get_decoded_tile = (opj_bool (*) (void *p_codec,
 352                                                                                                                                                                                 opj_stream_private_t *p_cio,
 353                                                                                                                                                                                 opj_image_t *p_image,
 354                                                                                                                                                                                 struct opj_event_mgr * p_manager,
 355                                                                                                                                                                                 OPJ_UINT32 tile_index)) j2k_get_tile;
 356
 357                         l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor = (opj_bool (*) (void * p_codec,
 358                                                                                                                                                                                                         OPJ_UINT32 res_factor,
 359                                                                                                                                                                                                         struct opj_event_mgr * p_manager)) j2k_set_decoded_resolution_factor;
 360
 361                         l_codec->m_codec = j2k_create_decompress_v2();
 362
 363                         if (! l_codec->m_codec) {
 364                                 opj_free(l_codec);
 365                                 return NULL;
 366                         }
 367
 368                         break;
 369
 370                 case CODEC_JP2:
 371                         /* get a JP2 decoder handle */
 372                         l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) jp2_dump;
 373
 374                         l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) jp2_get_cstr_info;
 375
 376                         l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) jp2_get_cstr_index;
 377
 378                         l_codec->m_codec_data.m_decompression.opj_decode =
 379                                         (opj_bool (*) ( void *,
 380                                                                         struct opj_stream_private *,
 381                                                                         opj_image_t*,
 382                                                                         struct opj_event_mgr * )) jp2_decode_v2;
 383
 384                         l_codec->m_codec_data.m_decompression.opj_end_decompress =  (opj_bool (*) (void *,struct opj_stream_private *,struct opj_event_mgr *)) jp2_end_decompress;
 385
 386                         l_codec->m_codec_data.m_decompression.opj_read_header =  (opj_bool (*) (
 387                                         struct opj_stream_private *,
 388                                         void *,
 389                                         opj_image_t **,
 390                                         struct opj_event_mgr * )) jp2_read_header;
 391
 392                         l_codec->m_codec_data.m_decompression.opj_read_tile_header = ( opj_bool (*) (
 393                                         void *,
 394                                         OPJ_UINT32*,
 395                                         OPJ_UINT32*,
 396                                         OPJ_INT32*,
 397                                         OPJ_INT32*,
 398                                         OPJ_INT32 * ,
 399                                         OPJ_INT32 * ,
 400                                         OPJ_UINT32 * ,
 401                                         opj_bool *,
 402                                         struct opj_stream_private *,
 403                                         struct opj_event_mgr * )) jp2_read_tile_header;
 404
 405                         l_codec->m_codec_data.m_decompression.opj_decode_tile_data = (opj_bool (*) (void *,OPJ_UINT32,OPJ_BYTE*,OPJ_UINT32,struct opj_stream_private *, struct opj_event_mgr * )) jp2_decode_tile;
 406
 407                         l_codec->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))jp2_destroy;
 408
 409                         l_codec->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * ,opj_dparameters_t * )) jp2_setup_decoder_v2;
 410
 411                         l_codec->m_codec_data.m_decompression.opj_set_decode_area = (opj_bool (*) (void *,opj_image_t*, OPJ_INT32,OPJ_INT32,OPJ_INT32,OPJ_INT32, struct opj_event_mgr * )) jp2_set_decode_area;
 412
 413                         l_codec->m_codec_data.m_decompression.opj_get_decoded_tile = (opj_bool (*) (void *p_codec,
 414                                                                                                                                                                                 opj_stream_private_t *p_cio,
 415                                                                                                                                                                                 opj_image_t *p_image,
 416                                                                                                                                                                                 struct opj_event_mgr * p_manager,
 417                                                                                                                                                                                 OPJ_UINT32 tile_index)) jp2_get_tile;
 418
 419                         l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor = (opj_bool (*) (void * p_codec,
 420                                                                                                                                                                                                         OPJ_UINT32 res_factor,
 421                                                                                                                                                                                                         opj_event_mgr_t * p_manager)) jp2_set_decoded_resolution_factor;
 422
 423                         l_codec->m_codec = jp2_create(OPJ_TRUE);
 424
 425                         if (! l_codec->m_codec) {
 426                                 opj_free(l_codec);
 427                                 return 00;
 428                         }
 429
 430                         break;
 431                 case CODEC_UNKNOWN:
 432                 case CODEC_JPT:
 433                 default:
 434                         opj_free(l_codec);
 435                         return 00;
 436         }
 437
 438         set_default_event_handler(&(l_codec->m_event_mgr));
 439         return (opj_codec_t*) l_codec;
 440 }
 441
 442 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
 443         if(parameters) {
 444                 memset(parameters, 0, sizeof(opj_dparameters_t));
 445                 /* default decoding parameters */
 446                 parameters->cp_layer = 0;
 447                 parameters->cp_reduce = 0;
 448                 parameters->cp_limit_decoding = NO_LIMITATION;
 449
 450                 parameters->decod_format = -1;
 451                 parameters->cod_format = -1;
 452                 parameters->flags = 0;
 453 /* UniPG>> */
 454 #ifdef USE_JPWL
 455                 parameters->jpwl_correct = OPJ_FALSE;
 456                 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
 457                 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
 458 #endif /* USE_JPWL */
 459 /* <<UniPG */
 460         }
 461 }
 462
 463 opj_bool OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec,
 464                                         opj_dparameters_t *parameters
 465                                                                                 )
 466 {
 467         if (p_codec && parameters) {
 468                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 469
 470                 if (! l_codec->is_decompressor) {
 471                         opj_event_msg_v2(&(l_codec->m_event_mgr), EVT_ERROR, "Codec provided to the opj_setup_decoder function is not a decompressor handler.\n");
 472                         return OPJ_FALSE;
 473                 }
 474
 475                 l_codec->m_codec_data.m_decompression.opj_setup_decoder(l_codec->m_codec,
 476                                                                                                                                 parameters);
 477                 return OPJ_TRUE;
 478         }
 479         return OPJ_FALSE;
 480 }
 481
 482 /* ---------------------------------------------------------------------- */
 483 /* COMPRESSION FUNCTIONS*/
 484
 485 opj_codec_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT p_format)
 486 {
 487         opj_codec_private_t *l_codec = 00;
 488
 489         l_codec = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t));
 490         if (!l_codec) {
 491                 return 00;
 492         }
 493         memset(l_codec, 0, sizeof(opj_codec_private_t));
 494
 495         l_codec->is_decompressor = 0;
 496
 497         switch(p_format) {
 498                 case CODEC_J2K:
 499                         l_codec->m_codec_data.m_compression.opj_encode = (opj_bool (*) (void *,
 500                                                                                                                                                         struct opj_stream_private *,
 501                                                                                                                                                         struct opj_event_mgr * )) j2k_encode_v2;
 502
 503                         l_codec->m_codec_data.m_compression.opj_end_compress = (opj_bool (*) (  void *,
 504                                                                                                                                                                         struct opj_stream_private *,
 505                                                                                                                                                                         struct opj_event_mgr *)) j2k_end_compress;
 506
 507                         l_codec->m_codec_data.m_compression.opj_start_compress = (opj_bool (*) (void *,
 508                                                                                                                                                                         struct opj_stream_private *,
 509                                                                                                                                                                         struct opj_image * ,
 510                                                                                                                                                                         struct opj_event_mgr *)) j2k_start_compress;
 511
 512                         l_codec->m_codec_data.m_compression.opj_write_tile = (opj_bool (*) (void *,
 513                                                                                                                                                                 OPJ_UINT32,
 514                                                                                                                                                                 OPJ_BYTE*,
 515                                                                                                                                                                 OPJ_UINT32,
 516                                                                                                                                                                 struct opj_stream_private *,
 517                                                                                                                                                                 struct opj_event_mgr *) ) j2k_write_tile;
 518
 519                         l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) j2k_destroy;
 520
 521                         l_codec->m_codec_data.m_compression.opj_setup_encoder = (void (*) (     void *,
 522                                                                                                                                                                 opj_cparameters_t *,
 523                                                                                                                                                                 struct opj_image *,
 524                                                                                                                                                                 struct opj_event_mgr * )) j2k_setup_encoder_v2;
 525
 526                         l_codec->m_codec = j2k_create_compress_v2();
 527                         if (! l_codec->m_codec) {
 528                                 opj_free(l_codec);
 529                                 return 00;
 530                         }
 531
 532                         break;
 533
 534                 case CODEC_JP2:
 535                         /* get a JP2 decoder handle */
 536                         l_codec->m_codec_data.m_compression.opj_encode = (opj_bool (*) (void *,
 537                                                                                                                                                         struct opj_stream_private *,
 538                                                                                                                                                         struct opj_event_mgr * )) opj_jp2_encode_v2;
 539
 540                         l_codec->m_codec_data.m_compression.opj_end_compress = (opj_bool (*) (  void *,
 541                                                                                                                                                                         struct opj_stream_private *,
 542                                                                                                                                                                         struct opj_event_mgr *)) jp2_end_compress;
 543
 544                         l_codec->m_codec_data.m_compression.opj_start_compress = (opj_bool (*) (void *,
 545                                                                                                                                                                         struct opj_stream_private *,
 546                                                                                                                                                                         struct opj_image * ,
 547                                                                                                                                                                         struct opj_event_mgr *))  jp2_start_compress;
 548
 549                         l_codec->m_codec_data.m_compression.opj_write_tile = (opj_bool (*) (void *,
 550                                                                                                                                                                 OPJ_UINT32,
 551                                                                                                                                                                 OPJ_BYTE*,
 552                                                                                                                                                                 OPJ_UINT32,
 553                                                                                                                                                                 struct opj_stream_private *,
 554                                                                                                                                                                 struct opj_event_mgr *)) jp2_write_tile;
 555
 556                         l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) jp2_destroy;
 557
 558                         l_codec->m_codec_data.m_compression.opj_setup_encoder = (void (*) (     void *,
 559                                                                                                                                                                 opj_cparameters_t *,
 560                                                                                                                                                                 struct opj_image *,
 561                                                                                                                                                                 struct opj_event_mgr * )) jp2_setup_encoder;
 562
 563                         l_codec->m_codec = jp2_create(OPJ_FALSE);
 564                         if (! l_codec->m_codec) {
 565                                 opj_free(l_codec);
 566                                 return 00;
 567                         }
 568
 569                         break;
 570
 571                 case CODEC_UNKNOWN:
 572                 case CODEC_JPT:
 573                 default:
 574                         opj_free(l_codec);
 575                         return 00;
 576         }
 577
 578         set_default_event_handler(&(l_codec->m_event_mgr));
 579         return (opj_codec_t*) l_codec;
 580 }
 581
 582 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
 583         if(parameters) {
 584                 memset(parameters, 0, sizeof(opj_cparameters_t));
 585                 /* default coding parameters */
 586                 parameters->cp_cinema = OFF;
 587                 parameters->max_comp_size = 0;
 588                 parameters->numresolution = 6;
 589                 parameters->cp_rsiz = STD_RSIZ;
 590                 parameters->cblockw_init = 64;
 591                 parameters->cblockh_init = 64;
 592                 parameters->prog_order = LRCP;
 593                 parameters->roi_compno = -1;            /* no ROI */
 594                 parameters->subsampling_dx = 1;
 595                 parameters->subsampling_dy = 1;
 596                 parameters->tp_on = 0;
 597                 parameters->decod_format = -1;
 598                 parameters->cod_format = -1;
 599                 parameters->tcp_rates[0] = 0;
 600                 parameters->tcp_numlayers = 0;
 601                 parameters->cp_disto_alloc = 0;
 602                 parameters->cp_fixed_alloc = 0;
 603                 parameters->cp_fixed_quality = 0;
 604                 parameters->jpip_on = OPJ_FALSE;
 605 /* UniPG>> */
 606 #ifdef USE_JPWL
 607                 parameters->jpwl_epc_on = OPJ_FALSE;
 608                 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
 609                 {
 610                         int i;
 611                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 612                                 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
 613                                 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
 614                         }
 615                 };
 616                 {
 617                         int i;
 618                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
 619                                 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
 620                                 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
 621                                 parameters->jpwl_pprot[i] = 0; /* absent */
 622                         }
 623                 };
 624                 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
 625                 parameters->jpwl_sens_addr = 0; /* 0 means auto */
 626                 parameters->jpwl_sens_range = 0; /* 0 means packet */
 627                 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
 628                 {
 629                         int i;
 630                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 631                                 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
 632                                 parameters->jpwl_sens_TPH[i] = -1; /* absent */
 633                         }
 634                 };
 635 #endif /* USE_JPWL */
 636 /* <<UniPG */
 637         }
 638 }
 639
 640 opj_bool OPJ_CALLCONV opj_setup_encoder(opj_codec_t *p_codec,
 641                                                                                 opj_cparameters_t *parameters,
 642                                                                                 opj_image_t *p_image)
 643 {
 644         if (p_codec && parameters && p_image) {
 645                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 646
 647                 if (! l_codec->is_decompressor) {
 648                         l_codec->m_codec_data.m_compression.opj_setup_encoder(  l_codec->m_codec,
 649                                                                                                                                         parameters,
 650                                                                                                                                         p_image,
 651                                                                                                                                         &(l_codec->m_event_mgr) );
 652                         return OPJ_TRUE;
 653                 }
 654         }
 655
 656         return OPJ_FALSE;
 657 }
 658
 659 opj_bool OPJ_CALLCONV opj_start_compress (      opj_codec_t *p_codec,
 660                                                                                         opj_image_t * p_image,
 661                                                                                         opj_stream_t *p_stream)
 662 {
 663         if (p_codec && p_stream) {
 664                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 665                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 666
 667                 if (! l_codec->is_decompressor) {
 668                         return l_codec->m_codec_data.m_compression.opj_start_compress(  l_codec->m_codec,
 669                                                                                                                                                         l_stream,
 670                                                                                                                                                         p_image,
 671                                                                                                                                                         &(l_codec->m_event_mgr));
 672                 }
 673         }
 674
 675         return OPJ_FALSE;
 676 }
 677
 678 opj_bool OPJ_CALLCONV opj_encode_v2(opj_codec_t *p_info, opj_stream_t *p_stream)
 679 {
 680         if (p_info && p_stream) {
 681                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_info;
 682                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 683
 684                 if (! l_codec->is_decompressor) {
 685                         l_codec->m_codec_data.m_compression.opj_encode( l_codec->m_codec,
 686                                                                                                                         l_stream,
 687                                                                                                                         &(l_codec->m_event_mgr));
 688                         return OPJ_TRUE;
 689                 }
 690         }
 691
 692         return OPJ_FALSE;
 693
 694 }
 695
 696 opj_bool OPJ_CALLCONV opj_end_compress (opj_codec_t *p_codec,
 697                                                                                 opj_stream_t *p_stream)
 698 {
 699         if (p_codec && p_stream) {
 700                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 701                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 702
 703                 if (! l_codec->is_decompressor) {
 704                         return l_codec->m_codec_data.m_compression.opj_end_compress(l_codec->m_codec,
 705                                                                                                                                                 l_stream,
 706                                                                                                                                                 &(l_codec->m_event_mgr));
 707                 }
 708         }
 709         return OPJ_FALSE;
 710
 711 }
 712
 713
 714
 715 /* DEPRECATED */
 716 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) {
 717         if (cstr_info) {
 718                 int tileno;
 719                 for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
 720                         opj_tile_info_t *tile_info = &cstr_info->tile[tileno];
 721                         opj_free(tile_info->thresh);
 722                         opj_free(tile_info->packet);
 723                         opj_free(tile_info->tp);
 724                         opj_free(tile_info->marker);
 725                 }
 726                 opj_free(cstr_info->tile);
 727                 opj_free(cstr_info->marker);
 728                 opj_free(cstr_info->numdecompos);
 729         }
 730 }
 731
 732
 733 opj_bool OPJ_CALLCONV opj_read_header ( opj_stream_t *p_stream,
 734                                                                                 opj_codec_t *p_codec,
 735                                                                                 opj_image_t **p_image )
 736 {
 737         if (p_codec && p_stream) {
 738                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 739                 opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream;
 740
 741                 if(! l_codec->is_decompressor) {
 742                         opj_event_msg_v2(&(l_codec->m_event_mgr), EVT_ERROR, "Codec provided to the opj_read_header function is not a decompressor handler.\n");
 743                         return OPJ_FALSE;
 744                 }
 745
 746                 return l_codec->m_codec_data.m_decompression.opj_read_header(   l_stream,
 747                                                                                                                                                 l_codec->m_codec,
 748                                                                                                                                                 p_image,
 749                                                                                                                                                 &(l_codec->m_event_mgr) );
 750         }
 751
 752         return OPJ_FALSE;
 753 }
 754
 755
 756 void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
 757 {
 758         if (p_codec) {
 759                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 760
 761                 if (l_codec->is_decompressor) {
 762                         l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec);
 763                 }
 764                 else {
 765                         l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec);
 766                 }
 767
 768                 l_codec->m_codec = 00;
 769                 opj_free(l_codec);
 770         }
 771 }
 772
 773 /**
 774  * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
 775  *
 776  * @param       p_codec                 the jpeg2000 codec.
 777  * @param       p_start_x               the left position of the rectangle to decode (in image coordinates).
 778  * @param       p_end_x                 the right position of the rectangle to decode (in image coordinates).
 779  * @param       p_start_y               the up position of the rectangle to decode (in image coordinates).
 780  * @param       p_end_y                 the bottom position of the rectangle to decode (in image coordinates).
 781  *
 782  * @return      true                    if the area could be set.
 783  */
 784 opj_bool OPJ_CALLCONV opj_set_decode_area(      opj_codec_t *p_codec,
 785                                                                                         opj_image_t* p_image,
 786                                                                                         OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
 787                                                                                         OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
 788                                                                                         )
 789 {
 790         if (p_codec) {
 791                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 792
 793                 if (! l_codec->is_decompressor) {
 794                         return OPJ_FALSE;
 795                 }
 796
 797                 return  l_codec->m_codec_data.m_decompression.opj_set_decode_area(      l_codec->m_codec,
 798                                                                                                                                                         p_image,
 799                                                                                                                                                         p_start_x, p_start_y,
 800                                                                                                                                                         p_end_x, p_end_y,
 801                                                                                                                                                         &(l_codec->m_event_mgr) );
 802         }
 803         return OPJ_FALSE;
 804 }
 805
 806 /**
 807  * Reads a tile header. This function is compulsory and allows one to know the size of the tile thta will be decoded.
 808  * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
 809  *
 810  * @param       p_codec                 the jpeg2000 codec.
 811  * @param       p_tile_index    pointer to a value that will hold the index of the tile being decoded, in case of success.
 812  * @param       p_data_size             pointer to a value that will hold the maximum size of the decoded data, in case of success. In case
 813  *                                                      of truncated codestreams, the actual number of bytes decoded may be lower. The computation of the size is the same
 814  *                                                      as depicted in opj_write_tile.
 815  * @param       p_tile_x0               pointer to a value that will hold the x0 pos of the tile (in the image).
 816  * @param       p_tile_y0               pointer to a value that will hold the y0 pos of the tile (in the image).
 817  * @param       p_tile_x1               pointer to a value that will hold the x1 pos of the tile (in the image).
 818  * @param       p_tile_y1               pointer to a value that will hold the y1 pos of the tile (in the image).
 819  * @param       p_nb_comps              pointer to a value that will hold the number of components in the tile.
 820  * @param       p_should_go_on  pointer to a boolean that will hold the fact that the decoding should go on. In case the
 821  *                                                      codestream is over at the time of the call, the value will be set to false. The user should then stop
 822  *                                                      the decoding.
 823  * @param       p_stream                the stream to decode.
 824  * @return      true                    if the tile header could be decoded. In case the decoding should end, the returned value is still true.
 825  *                                                      returning false may be the result of a shortage of memory or an internal error.
 826  */
 827 opj_bool OPJ_CALLCONV opj_read_tile_header(     opj_codec_t *p_codec,
 828                                                                                         opj_stream_t * p_stream,
 829                                                                                         OPJ_UINT32 * p_tile_index,
 830                                                                                         OPJ_UINT32 * p_data_size,
 831                                                                                         OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
 832                                                                                         OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
 833                                                                                         OPJ_UINT32 * p_nb_comps,
 834                                                                                         opj_bool * p_should_go_on)
 835 {
 836         if (p_codec && p_stream && p_data_size && p_tile_index) {
 837                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 838                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 839
 840                 if (! l_codec->is_decompressor) {
 841                         return OPJ_FALSE;
 842                 }
 843
 844                 return l_codec->m_codec_data.m_decompression.opj_read_tile_header(      l_codec->m_codec,
 845                                                                                                                                                         p_tile_index,
 846                                                                                                                                                         p_data_size,
 847                                                                                                                                                         p_tile_x0, p_tile_y0,
 848                                                                                                                                                         p_tile_x1, p_tile_y1,
 849                                                                                                                                                         p_nb_comps,
 850                                                                                                                                                         p_should_go_on,
 851                                                                                                                                                         l_stream,
 852                                                                                                                                                         &(l_codec->m_event_mgr));
 853         }
 854         return OPJ_FALSE;
 855 }
 856
 857 /**
 858  * Reads a tile data. This function is compulsory and allows one to decode tile data. opj_read_tile_header should be called before.
 859  * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
 860  *
 861  * @param       p_codec                 the jpeg2000 codec.
 862  * @param       p_tile_index    the index of the tile being decoded, this should be the value set by opj_read_tile_header.
 863  * @param       p_data                  pointer to a memory block that will hold the decoded data.
 864  * @param       p_data_size             size of p_data. p_data_size should be bigger or equal to the value set by opj_read_tile_header.
 865  * @param       p_stream                the stream to decode.
 866  *
 867  * @return      true                    if the data could be decoded.
 868  */
 869 opj_bool OPJ_CALLCONV opj_decode_tile_data(     opj_codec_t *p_codec,
 870                                                                                         OPJ_UINT32 p_tile_index,
 871                                                                                         OPJ_BYTE * p_data,
 872                                                                                         OPJ_UINT32 p_data_size,
 873                                                                                         opj_stream_t *p_stream
 874                                                                                         )
 875 {
 876         if (p_codec && p_data && p_stream) {
 877                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 878                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 879
 880                 if (! l_codec->is_decompressor) {
 881                         return OPJ_FALSE;
 882                 }
 883
 884                 return l_codec->m_codec_data.m_decompression.opj_decode_tile_data(      l_codec->m_codec,
 885                                                                                                                                                         p_tile_index,
 886                                                                                                                                                         p_data,
 887                                                                                                                                                         p_data_size,
 888                                                                                                                                                         l_stream,
 889                                                                                                                                                         &(l_codec->m_event_mgr) );
 890         }
 891         return OPJ_FALSE;
 892 }
 893
 894 /*
 895  *
 896  *
 897  */
 898 void OPJ_CALLCONV opj_dump_codec(       opj_codec_t *p_codec,
 899                                                                         OPJ_INT32 info_flag,
 900                                                                         FILE* output_stream)
 901 {
 902         if (p_codec) {
 903                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 904
 905                 l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
 906                 return;
 907         }
 908
 909         fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n");
 910         return;
 911 }
 912
 913 /*
 914  *
 915  *
 916  */
 917 opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
 918 {
 919         if (p_codec) {
 920                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 921
 922                 return l_codec->opj_get_codec_info(l_codec->m_codec);
 923         }
 924
 925         return NULL;
 926 }
 927
 928 /*
 929  *
 930  *
 931  */
 932 void OPJ_CALLCONV opj_destroy_cstr_info_v2(opj_codestream_info_v2_t **cstr_info) {
 933         if (cstr_info) {
 934
 935                 if ((*cstr_info)->m_default_tile_info.tccp_info){
 936                         opj_free((*cstr_info)->m_default_tile_info.tccp_info);
 937                 }
 938
 939                 if ((*cstr_info)->tile_info){
 940                         /* FIXME not used for the moment*/
 941                 }
 942
 943                 opj_free((*cstr_info));
 944                 (*cstr_info) = NULL;
 945         }
 946 }
 947
 948 /*
 949  *
 950  *
 951  */
 952 opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
 953 {
 954         if (p_codec) {
 955                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 956
 957                 return l_codec->opj_get_codec_index(l_codec->m_codec);
 958         }
 959
 960         return NULL;
 961 }
 962
 963 /*
 964  *
 965  *
 966  */
 967 void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index)
 968 {
 969         if (*p_cstr_index){
 970                 j2k_destroy_cstr_index(*p_cstr_index);
 971                 (*p_cstr_index) = NULL;
 972         }
 973 }
 974
 975 /*
 976  *
 977  *
 978  */
 979 opj_bool OPJ_CALLCONV opj_decode(   opj_codec_t *p_codec,
 980                                     opj_stream_t *p_stream,
 981                                     opj_image_t* p_image)
 982 {
 983         if (p_codec && p_stream) {
 984                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 985                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 986
 987                 if (! l_codec->is_decompressor) {
 988                         return OPJ_FALSE;
 989                 }
 990
 991                 return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec,
 992                                                                                                                                 l_stream,
 993                                                                                                                                 p_image,
 994                                                                                                                                 &(l_codec->m_event_mgr) );
 995         }
 996
 997         return OPJ_FALSE;
 998 }
 999
1000 /*
1001  *
1002  *
1003  */
1004 opj_bool OPJ_CALLCONV opj_end_decompress (      opj_codec_t *p_codec,
1005                                                                                         opj_stream_t *p_stream)
1006 {
1007         if (p_codec && p_stream) {
1008                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1009                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
1010
1011                 if (! l_codec->is_decompressor) {
1012                         return OPJ_FALSE;
1013                 }
1014
1015                 return l_codec->m_codec_data.m_decompression.opj_end_decompress(l_codec->m_codec,
1016                                                                                                                                                 l_stream,
1017                                                                                                                                                 &(l_codec->m_event_mgr) );
1018         }
1019
1020         return OPJ_FALSE;
1021 }
1022
1023 /*
1024  *
1025  *
1026  */
1027 opj_bool OPJ_CALLCONV opj_get_decoded_tile(     opj_codec_t *p_codec,
1028                                                                                         opj_stream_t *p_stream,
1029                                                                                         opj_image_t *p_image,
1030                                                                                         OPJ_UINT32 tile_index)
1031 {
1032         if (p_codec && p_stream) {
1033                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1034                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
1035
1036                 if (! l_codec->is_decompressor) {
1037                         return OPJ_FALSE;
1038                 }
1039
1040                 return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile(      l_codec->m_codec,
1041                                                                                                                                                         l_stream,
1042                                                                                                                                                         p_image,
1043                                                                                                                                                         &(l_codec->m_event_mgr),
1044                                                                                                                                                         tile_index);
1045         }
1046
1047         return OPJ_FALSE;
1048 }
1049
1050 /*
1051  *
1052  *
1053  */
1054 opj_bool OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec,
1055                                                                                                                 OPJ_UINT32 res_factor )
1056 {
1057         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1058
1059         if ( !l_codec ){
1060                 fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n");
1061                 return OPJ_FALSE;
1062         }
1063
1064         l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(l_codec->m_codec,
1065                                                                                                                                                         res_factor,
1066                                                                                                                                                         &(l_codec->m_event_mgr) );
1067         return OPJ_TRUE;
1068 }
1069
1070
1071 opj_bool OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,OPJ_FLOAT32 * pEncodingMatrix,OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp)
1072 {
1073         OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * sizeof(OPJ_FLOAT32);
1074         OPJ_UINT32 l_dc_shift_size = pNbComp * sizeof(OPJ_INT32);
1075         OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
1076
1077         /* add MCT capability */
1078         int rsiz = (int)parameters->cp_rsiz | (int)MCT;
1079         parameters->cp_rsiz = (OPJ_RSIZ_CAPABILITIES)rsiz;
1080         parameters->irreversible = 1;
1081
1082         /* use array based MCT */
1083         parameters->tcp_mct = 2;
1084         parameters->mct_data = opj_malloc(l_mct_total_size);
1085         if (! parameters->mct_data) {
1086                 return OPJ_FALSE;
1087         }
1088
1089         memcpy(parameters->mct_data,pEncodingMatrix,l_matrix_size);
1090         memcpy(((OPJ_BYTE *) parameters->mct_data) +  l_matrix_size,p_dc_shift,l_dc_shift_size);
1091
1092         return OPJ_TRUE;
1093 }
1094
1095 /**
1096  * Writes a tile with the given data.
1097  *
1098  * @param       p_compressor            the jpeg2000 codec.
1099  * @param       p_tile_index            the index of the tile to write. At the moment, the tiles must be written from 0 to n-1 in sequence.
1100  * @param       p_data                          pointer to the data to write. Data is arranged in sequence, data_comp0, then data_comp1, then ... NO INTERLEAVING should be set.
1101  * @param       p_data_size                     this value os used to make sure the data being written is correct. The size must be equal to the sum for each component of tile_width * tile_height * component_size. component_size can be 1,2 or 4 bytes,
1102  *                                                              depending on the precision of the given component.
1103  * @param       p_stream                        the stream to write data to.
1104  */
1105 opj_bool OPJ_CALLCONV opj_write_tile (  opj_codec_t *p_codec,
1106                                                                                 OPJ_UINT32 p_tile_index,
1107                                                                                 OPJ_BYTE * p_data,
1108                                                                                 OPJ_UINT32 p_data_size,
1109                                                                                 opj_stream_t *p_stream )
1110 {
1111         if (p_codec && p_stream && p_data) {
1112                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1113                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
1114
1115                 if (l_codec->is_decompressor) {
1116                         return OPJ_FALSE;
1117                 }
1118
1119                 return l_codec->m_codec_data.m_compression.opj_write_tile(      l_codec->m_codec,
1120                                                                                                                                         p_tile_index,
1121                                                                                                                                         p_data,
1122                                                                                                                                         p_data_size,
1123                                                                                                                                         l_stream,
1124                                                                                                                                         &(l_codec->m_event_mgr) );
1125         }
1126
1127         return OPJ_FALSE;
1128 }
1129
1130 /* ---------------------------------------------------------------------- */
1131 /**
1132  * Helper function.
1133  * Sets the stream to be a file stream. The FILE must have been open previously.
1134  * @param               p_stream        the stream to modify
1135  * @param               p_file          handler to an already open file.
1136 */
1137 opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (FILE * p_file, opj_bool p_is_read_stream)
1138 {
1139         return opj_stream_create_file_stream(p_file,J2K_STREAM_CHUNK_SIZE,p_is_read_stream);
1140 }
1141
1142 opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream (      FILE * p_file,
1143                                                                                                                         OPJ_SIZE_T p_size,
1144                                                                                                                         opj_bool p_is_read_stream)
1145 {
1146         opj_stream_t* l_stream = 00;
1147
1148         if (! p_file) {
1149                 return NULL;
1150         }
1151
1152         l_stream = opj_stream_create(p_size,p_is_read_stream);
1153         if (! l_stream) {
1154                 return NULL;
1155         }
1156
1157         opj_stream_set_user_data(l_stream, p_file);
1158         opj_stream_set_user_data_length(l_stream, opj_get_data_length_from_file(p_file));
1159         opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file);
1160         opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_file);
1161         opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file);
1162         opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file);
1163
1164         return l_stream;
1165 }