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                 opj_decompression_t m_decompression;
 136                 opj_compression_t m_compression;
 137     } m_codec_data;
 138     /** FIXME DOC*/
 139         void * m_codec;
 140         /** Event handler */
 141         opj_event_mgr_t* m_event_mgr;
 142         /** Flag to indicate if the codec is used to decode or encode*/
 143         opj_bool is_decompressor;
 144         void (*opj_dump_codec) (void * p_codec, OPJ_INT32 info_flag, FILE* output_stream);
 145         opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec);
 146         opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec);
 147 }
 148 opj_codec_private_t;
 149
 150
 151
 152 /* ---------------------------------------------------------------------- */
 153
 154
 155 OPJ_SIZE_T opj_read_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
 156 {
 157         OPJ_SIZE_T l_nb_read = fread(p_buffer,1,p_nb_bytes,p_file);
 158         return l_nb_read ? l_nb_read : -1;
 159 }
 160
 161 OPJ_UINT64 opj_get_data_length_from_file (FILE * p_file)
 162 {
 163         OPJ_OFF_T file_length = 0;
 164
 165         OPJ_FSEEK(p_file, 0, SEEK_END);
 166         file_length = (OPJ_UINT64)OPJ_FTELL(p_file);
 167         OPJ_FSEEK(p_file, 0, SEEK_SET);
 168
 169         return file_length;
 170 }
 171
 172 OPJ_SIZE_T opj_write_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
 173 {
 174         return fwrite(p_buffer,1,p_nb_bytes,p_file);
 175 }
 176
 177 OPJ_OFF_T opj_skip_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
 178 {
 179         if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_CUR)) {
 180                 return -1;
 181         }
 182
 183         return p_nb_bytes;
 184 }
 185
 186 opj_bool opj_seek_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
 187 {
 188         if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_SET)) {
 189                 return EXIT_FAILURE;
 190         }
 191
 192         return EXIT_SUCCESS;
 193 }
 194
 195 /* ---------------------------------------------------------------------- */
 196 #ifdef _WIN32
 197 #ifndef OPJ_STATIC
 198 BOOL APIENTRY
 199 DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
 200
 201         OPJ_ARG_NOT_USED(lpReserved);
 202         OPJ_ARG_NOT_USED(hModule);
 203
 204         switch (ul_reason_for_call) {
 205                 case DLL_PROCESS_ATTACH :
 206                         break;
 207                 case DLL_PROCESS_DETACH :
 208                         break;
 209                 case DLL_THREAD_ATTACH :
 210                 case DLL_THREAD_DETACH :
 211                         break;
 212     }
 213
 214     return TRUE;
 215 }
 216 #endif /* OPJ_STATIC */
 217 #endif /* _WIN32 */
 218
 219 /* ---------------------------------------------------------------------- */
 220
 221
 222 const char* OPJ_CALLCONV opj_version(void) {
 223     return OPJ_PACKAGE_VERSION;
 224 }
 225
 226
 227 /* DEPRECATED */
 228 opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format) {
 229         opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_calloc(1, sizeof(opj_dinfo_t));
 230         if(!dinfo) return NULL;
 231         dinfo->is_decompressor = OPJ_TRUE;
 232         switch(format) {
 233                 case CODEC_J2K:
 234                 case CODEC_JPT:
 235                         /* get a J2K decoder handle */
 236                         dinfo->j2k_handle = (void*)j2k_create_decompress((opj_common_ptr)dinfo);
 237                         if(!dinfo->j2k_handle) {
 238                                 opj_free(dinfo);
 239                                 return NULL;
 240                         }
 241                         break;
 242                 case CODEC_JP2:
 243                         /* get a JP2 decoder handle */
 244                         dinfo->jp2_handle = (void*)jp2_create_decompress((opj_common_ptr)dinfo);
 245                         if(!dinfo->jp2_handle) {
 246                                 opj_free(dinfo);
 247                                 return NULL;
 248                         }
 249                         break;
 250                 case CODEC_UNKNOWN:
 251                 default:
 252                         opj_free(dinfo);
 253                         return NULL;
 254         }
 255
 256         dinfo->codec_format = format;
 257
 258         return dinfo;
 259 }
 260
 261 opj_codec_t* OPJ_CALLCONV opj_create_decompress_v2(OPJ_CODEC_FORMAT p_format)
 262 {
 263         opj_codec_private_t *l_info = 00;
 264
 265         l_info = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
 266         if (!l_info){
 267                 return 00;
 268         }
 269         memset(l_info, 0, sizeof(opj_codec_private_t));
 270
 271         l_info->is_decompressor = 1;
 272
 273         switch (p_format) {
 274                 case CODEC_J2K:
 275                         l_info->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) j2k_dump;
 276
 277                         l_info->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) j2k_get_cstr_info;
 278
 279                         l_info->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) j2k_get_cstr_index;
 280
 281                         l_info->m_codec_data.m_decompression.opj_decode =
 282                                         (opj_bool (*) ( void *,
 283                                                                         struct opj_stream_private *,
 284                                                                         opj_image_t*, struct opj_event_mgr * )) j2k_decode_v2;
 285
 286                         l_info->m_codec_data.m_decompression.opj_end_decompress =
 287                                         (opj_bool (*) ( void *,
 288                                                                         struct opj_stream_private *,
 289                                                                         struct opj_event_mgr *)) j2k_end_decompress;
 290
 291                         l_info->m_codec_data.m_decompression.opj_read_header =
 292                                         (opj_bool (*) ( struct opj_stream_private *,
 293                                                                         void *,
 294                                                                         opj_image_t **,
 295                                                                         struct opj_event_mgr * )) j2k_read_header;
 296
 297                         l_info->m_codec_data.m_decompression.opj_destroy =
 298                                         (void (*) (void *))j2k_destroy;
 299
 300                         l_info->m_codec_data.m_decompression.opj_setup_decoder =
 301                                         (void (*) (void * , opj_dparameters_t * )) j2k_setup_decoder_v2;
 302
 303                         l_info->m_codec_data.m_decompression.opj_read_tile_header =
 304                                         (opj_bool (*) ( void *,
 305                                                                         OPJ_UINT32*,
 306                                                                         OPJ_UINT32*,
 307                                                                         OPJ_INT32*, OPJ_INT32*,
 308                                                                         OPJ_INT32*, OPJ_INT32*,
 309                                                                         OPJ_UINT32*,
 310                                                                         opj_bool*,
 311                                                                         struct opj_stream_private *,
 312                                                                         struct opj_event_mgr * )) j2k_read_tile_header;
 313
 314                         l_info->m_codec_data.m_decompression.opj_decode_tile_data =
 315                                         (opj_bool (*) (void *, OPJ_UINT32, OPJ_BYTE*, OPJ_UINT32, struct opj_stream_private *, struct opj_event_mgr *)) j2k_decode_tile;
 316
 317                         l_info->m_codec_data.m_decompression.opj_set_decode_area =
 318                                         (opj_bool (*) (void *, opj_image_t*, OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32, struct opj_event_mgr *)) j2k_set_decode_area;
 319
 320                         l_info->m_codec_data.m_decompression.opj_get_decoded_tile = (opj_bool (*) (     void *p_codec,
 321                                                                                                                                                                                 opj_stream_private_t *p_cio,
 322                                                                                                                                                                                 opj_image_t *p_image,
 323                                                                                                                                                                                 struct opj_event_mgr * p_manager,
 324                                                                                                                                                                                 OPJ_UINT32 tile_index)) j2k_get_tile;
 325
 326                         l_info->m_codec_data.m_decompression.opj_set_decoded_resolution_factor = (opj_bool (*) (void * p_codec,
 327                                                                                                                                                                                                         OPJ_UINT32 res_factor,
 328                                                                                                                                                                                                         struct opj_event_mgr * p_manager)) j2k_set_decoded_resolution_factor;
 329
 330                         l_info->m_codec = j2k_create_decompress_v2();
 331
 332                         if (! l_info->m_codec) {
 333                                 opj_free(l_info);
 334                                 return NULL;
 335                         }
 336
 337                         break;
 338
 339                 case CODEC_JP2:
 340                         /* get a JP2 decoder handle */
 341                         l_info->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) jp2_dump;
 342
 343                         l_info->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) jp2_get_cstr_info;
 344
 345                         l_info->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) jp2_get_cstr_index;
 346
 347                         l_info->m_codec_data.m_decompression.opj_decode =
 348                                         (opj_bool (*) ( void *,
 349                                                                         struct opj_stream_private *,
 350                                                                         opj_image_t*,
 351                                                                         struct opj_event_mgr * )) jp2_decode_v2;
 352
 353                         l_info->m_codec_data.m_decompression.opj_end_decompress =  (opj_bool (*) (void *,struct opj_stream_private *,struct opj_event_mgr *)) jp2_end_decompress;
 354
 355                         l_info->m_codec_data.m_decompression.opj_read_header =  (opj_bool (*) (
 356                                         struct opj_stream_private *,
 357                                         void *,
 358                                         opj_image_t **,
 359                                         struct opj_event_mgr * )) jp2_read_header;
 360
 361                         l_info->m_codec_data.m_decompression.opj_read_tile_header = ( opj_bool (*) (
 362                                         void *,
 363                                         OPJ_UINT32*,
 364                                         OPJ_UINT32*,
 365                                         OPJ_INT32*,
 366                                         OPJ_INT32*,
 367                                         OPJ_INT32 * ,
 368                                         OPJ_INT32 * ,
 369                                         OPJ_UINT32 * ,
 370                                         opj_bool *,
 371                                         struct opj_stream_private *,
 372                                         struct opj_event_mgr * )) jp2_read_tile_header;
 373
 374                         l_info->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;
 375
 376                         l_info->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))jp2_destroy;
 377
 378                         l_info->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * ,opj_dparameters_t * )) jp2_setup_decoder_v2;
 379
 380                         l_info->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;
 381
 382                         l_info->m_codec_data.m_decompression.opj_get_decoded_tile = (opj_bool (*) (     void *p_codec,
 383                                                                                                                                                                                 opj_stream_private_t *p_cio,
 384                                                                                                                                                                                 opj_image_t *p_image,
 385                                                                                                                                                                                 struct opj_event_mgr * p_manager,
 386                                                                                                                                                                                 OPJ_UINT32 tile_index)) jp2_get_tile;
 387
 388                         l_info->m_codec_data.m_decompression.opj_set_decoded_resolution_factor = (opj_bool (*) (void * p_codec,
 389                                                                                                                                                                                                         OPJ_UINT32 res_factor,
 390                                                                                                                                                                                                         opj_event_mgr_t * p_manager)) jp2_set_decoded_resolution_factor;
 391
 392                         l_info->m_codec = jp2_create(OPJ_TRUE);
 393
 394                         if (! l_info->m_codec) {
 395                                 opj_free(l_info);
 396                                 return 00;
 397                         }
 398
 399                         break;
 400                 case CODEC_UNKNOWN:
 401                 case CODEC_JPT:
 402                 default:
 403                         opj_free(l_info);
 404                         return 00;
 405         }
 406
 407         return (opj_codec_t*) l_info;
 408 }
 409
 410 /* DEPRECATED */
 411 void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo) {
 412         if(dinfo) {
 413                 /* destroy the codec */
 414                 switch(dinfo->codec_format) {
 415                         case CODEC_J2K:
 416                         case CODEC_JPT:
 417                                 j2k_destroy_decompress((opj_j2k_t*)dinfo->j2k_handle);
 418                                 break;
 419                         case CODEC_JP2:
 420                                 jp2_destroy_decompress((opj_jp2_t*)dinfo->jp2_handle);
 421                                 break;
 422                         case CODEC_UNKNOWN:
 423                         default:
 424                                 break;
 425                 }
 426                 /* destroy the decompressor */
 427                 opj_free(dinfo);
 428         }
 429 }
 430
 431 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
 432         if(parameters) {
 433                 memset(parameters, 0, sizeof(opj_dparameters_t));
 434                 /* default decoding parameters */
 435                 parameters->cp_layer = 0;
 436                 parameters->cp_reduce = 0;
 437                 parameters->cp_limit_decoding = NO_LIMITATION;
 438
 439                 parameters->decod_format = -1;
 440                 parameters->cod_format = -1;
 441                 parameters->flags = 0;
 442 /* UniPG>> */
 443 #ifdef USE_JPWL
 444                 parameters->jpwl_correct = OPJ_FALSE;
 445                 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
 446                 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
 447 #endif /* USE_JPWL */
 448 /* <<UniPG */
 449         }
 450 }
 451
 452 /* DEPRECATED */
 453 void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
 454         if(dinfo && parameters) {
 455                 switch(dinfo->codec_format) {
 456                         case CODEC_J2K:
 457                         case CODEC_JPT:
 458                                 j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);
 459                                 break;
 460                         case CODEC_JP2:
 461                                 jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);
 462                                 break;
 463                         case CODEC_UNKNOWN:
 464                         default:
 465                                 break;
 466                 }
 467         }
 468 }
 469
 470 opj_bool OPJ_CALLCONV opj_setup_decoder_v2(opj_codec_t *p_info, opj_dparameters_t *parameters, opj_event_mgr_t* event_mgr)
 471 {
 472         opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
 473
 474         if ( !p_info || !parameters || !event_mgr ){
 475                 fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n");
 476                 return OPJ_FALSE;
 477         }
 478
 479         if ( !event_mgr->error_handler || !event_mgr->warning_handler || !event_mgr->error_handler){
 480                 fprintf(stderr, "[ERROR] Event handler provided to the setup_decoder function is not valid.\n");
 481                 return OPJ_FALSE;
 482         }
 483
 484         if (! l_info->is_decompressor) {
 485                 opj_event_msg_v2(event_mgr, EVT_ERROR, "Codec provided to the setup_decoder function is not a decompressor handler.\n");
 486                 return OPJ_FALSE;
 487         }
 488
 489         l_info->m_codec_data.m_decompression.opj_setup_decoder(l_info->m_codec, parameters);
 490
 491         l_info->m_event_mgr = event_mgr;
 492
 493         return OPJ_TRUE;
 494 }
 495
 496 /* DEPRECATED */
 497 opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
 498         return opj_decode_with_info(dinfo, cio, NULL);
 499 }
 500
 501 /* DEPRECATED */
 502 opj_image_t* OPJ_CALLCONV opj_decode_with_info(opj_dinfo_t *dinfo, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
 503         if(dinfo && cio) {
 504                 switch(dinfo->codec_format) {
 505                         case CODEC_J2K:
 506                                 return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 507                         case CODEC_JPT:
 508                                 return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 509                         case CODEC_JP2:
 510                                 return opj_jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio, cstr_info);
 511                         case CODEC_UNKNOWN:
 512                         default:
 513                                 break;
 514                 }
 515         }
 516         return NULL;
 517 }
 518
 519 opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) {
 520         opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_calloc(1, sizeof(opj_cinfo_t));
 521         if(!cinfo) return NULL;
 522         cinfo->is_decompressor = OPJ_FALSE;
 523         switch(format) {
 524                 case CODEC_J2K:
 525                         /* get a J2K coder handle */
 526                         cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);
 527                         if(!cinfo->j2k_handle) {
 528                                 opj_free(cinfo);
 529                                 return NULL;
 530                         }
 531                         break;
 532                 case CODEC_JP2:
 533                         /* get a JP2 coder handle */
 534                         cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);
 535                         if(!cinfo->jp2_handle) {
 536                                 opj_free(cinfo);
 537                                 return NULL;
 538                         }
 539                         break;
 540                 case CODEC_JPT:
 541                 case CODEC_UNKNOWN:
 542                 default:
 543                         opj_free(cinfo);
 544                         return NULL;
 545         }
 546
 547         cinfo->codec_format = format;
 548
 549         return cinfo;
 550 }
 551
 552
 553 opj_codec_t* OPJ_CALLCONV opj_create_compress_v2(OPJ_CODEC_FORMAT p_format)
 554 {
 555         opj_codec_private_t *l_info = 00;
 556
 557         l_info = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t));
 558         if (!l_info) {
 559                 return 00;
 560         }
 561
 562         memset(l_info, 0, sizeof(opj_codec_private_t));
 563         l_info->is_decompressor = 0;
 564
 565         switch(p_format) {
 566                 case CODEC_J2K:
 567                         l_info->m_codec_data.m_compression.opj_encode = (opj_bool (*) ( void *,
 568                                                                                                                                                         struct opj_stream_private *,
 569                                                                                                                                                         struct opj_event_mgr * )) j2k_encode_v2;
 570
 571                         l_info->m_codec_data.m_compression.opj_end_compress = (opj_bool (*) (   void *,
 572                                                                                                                                                                         struct opj_stream_private *,
 573                                                                                                                                                                         struct opj_event_mgr *)) j2k_end_compress;
 574
 575                         l_info->m_codec_data.m_compression.opj_start_compress = (opj_bool (*) ( void *,
 576                                                                                                                                                                         struct opj_stream_private *,
 577                                                                                                                                                                         struct opj_image * ,
 578                                                                                                                                                                         struct opj_event_mgr *)) j2k_start_compress;
 579
 580                         l_info->m_codec_data.m_compression.opj_write_tile = (opj_bool (*) (     void *,
 581                                                                                                                                                                 OPJ_UINT32,
 582                                                                                                                                                                 OPJ_BYTE*,
 583                                                                                                                                                                 OPJ_UINT32,
 584                                                                                                                                                                 struct opj_stream_private *,
 585                                                                                                                                                                 struct opj_event_mgr *) ) j2k_write_tile;
 586
 587                         l_info->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) j2k_destroy;
 588
 589                         l_info->m_codec_data.m_compression.opj_setup_encoder = (void (*) (      void *,
 590                                                                                                                                                                 opj_cparameters_t *,
 591                                                                                                                                                                 struct opj_image *,
 592                                                                                                                                                                 struct opj_event_mgr * )) j2k_setup_encoder_v2;
 593
 594                         l_info->m_codec = j2k_create_compress_v2();
 595                         if (! l_info->m_codec) {
 596                                 opj_free(l_info);
 597                                 return 00;
 598                         }
 599
 600                         break;
 601
 602                 case CODEC_JP2:
 603                         /* get a JP2 decoder handle */
 604                         l_info->m_codec_data.m_compression.opj_encode = (opj_bool (*) ( void *,
 605                                                                                                                                                         struct opj_stream_private *,
 606                                                                                                                                                         struct opj_event_mgr * )) opj_jp2_encode;
 607
 608                         l_info->m_codec_data.m_compression.opj_end_compress = (opj_bool (*) (   void *,
 609                                                                                                                                                                         struct opj_stream_private *,
 610                                                                                                                                                                         struct opj_event_mgr *)) jp2_end_compress;
 611
 612                         l_info->m_codec_data.m_compression.opj_start_compress = (opj_bool (*) ( void *,
 613                                                                                                                                                                         struct opj_stream_private *,
 614                                                                                                                                                                         struct opj_image * ,
 615                                                                                                                                                                         struct opj_event_mgr *))  jp2_start_compress;
 616
 617                         l_info->m_codec_data.m_compression.opj_write_tile = (opj_bool (*) (     void *,
 618                                                                                                                                                                 OPJ_UINT32,
 619                                                                                                                                                                 OPJ_BYTE*,
 620                                                                                                                                                                 OPJ_UINT32,
 621                                                                                                                                                                 struct opj_stream_private *,
 622                                                                                                                                                                 struct opj_event_mgr *)) jp2_write_tile;
 623
 624                         l_info->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) jp2_destroy;
 625
 626                         l_info->m_codec_data.m_compression.opj_setup_encoder = (void (*) (      void *,
 627                                                                                                                                                                 opj_cparameters_t *,
 628                                                                                                                                                                 struct opj_image *,
 629                                                                                                                                                                 struct opj_event_mgr * )) jp2_setup_encoder;
 630
 631                         l_info->m_codec = jp2_create(OPJ_FALSE);
 632                         if (! l_info->m_codec) {
 633                                 opj_free(l_info);
 634                                 return 00;
 635                         }
 636
 637                         break;
 638
 639                 case CODEC_UNKNOWN:
 640                 case CODEC_JPT:
 641                 default:
 642                         opj_free(l_info);
 643                         return 00;
 644         }
 645
 646         /*set_default_event_handler(&(l_info->m_event_mgr));*/
 647         return (opj_codec_t*) l_info;
 648 }
 649
 650
 651 void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) {
 652         if(cinfo) {
 653                 /* destroy the codec */
 654                 switch(cinfo->codec_format) {
 655                         case CODEC_J2K:
 656                                 j2k_destroy_compress((opj_j2k_t*)cinfo->j2k_handle);
 657                                 break;
 658                         case CODEC_JP2:
 659                                 jp2_destroy_compress((opj_jp2_t*)cinfo->jp2_handle);
 660                                 break;
 661                         case CODEC_JPT:
 662                         case CODEC_UNKNOWN:
 663                         default:
 664                                 break;
 665                 }
 666                 /* destroy the decompressor */
 667                 opj_free(cinfo);
 668         }
 669 }
 670
 671 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
 672         if(parameters) {
 673                 memset(parameters, 0, sizeof(opj_cparameters_t));
 674                 /* default coding parameters */
 675                 parameters->cp_cinema = OFF;
 676                 parameters->max_comp_size = 0;
 677                 parameters->numresolution = 6;
 678                 parameters->cp_rsiz = STD_RSIZ;
 679                 parameters->cblockw_init = 64;
 680                 parameters->cblockh_init = 64;
 681                 parameters->prog_order = LRCP;
 682                 parameters->roi_compno = -1;            /* no ROI */
 683                 parameters->subsampling_dx = 1;
 684                 parameters->subsampling_dy = 1;
 685                 parameters->tp_on = 0;
 686                 parameters->decod_format = -1;
 687                 parameters->cod_format = -1;
 688                 parameters->tcp_rates[0] = 0;
 689                 parameters->tcp_numlayers = 0;
 690                 parameters->cp_disto_alloc = 0;
 691                 parameters->cp_fixed_alloc = 0;
 692                 parameters->cp_fixed_quality = 0;
 693                 parameters->jpip_on = OPJ_FALSE;
 694 /* UniPG>> */
 695 #ifdef USE_JPWL
 696                 parameters->jpwl_epc_on = OPJ_FALSE;
 697                 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
 698                 {
 699                         int i;
 700                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 701                                 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
 702                                 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
 703                         }
 704                 };
 705                 {
 706                         int i;
 707                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
 708                                 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
 709                                 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
 710                                 parameters->jpwl_pprot[i] = 0; /* absent */
 711                         }
 712                 };
 713                 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
 714                 parameters->jpwl_sens_addr = 0; /* 0 means auto */
 715                 parameters->jpwl_sens_range = 0; /* 0 means packet */
 716                 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
 717                 {
 718                         int i;
 719                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 720                                 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
 721                                 parameters->jpwl_sens_TPH[i] = -1; /* absent */
 722                         }
 723                 };
 724 #endif /* USE_JPWL */
 725 /* <<UniPG */
 726         }
 727 }
 728
 729 /**
 730  * Helper function.
 731  * Sets the stream to be a file stream. The FILE must have been open previously.
 732  * @param               p_stream        the stream to modify
 733  * @param               p_file          handler to an already open file.
 734 */
 735 opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (FILE * p_file, opj_bool p_is_read_stream)
 736 {
 737         return opj_stream_create_file_stream(p_file,J2K_STREAM_CHUNK_SIZE,p_is_read_stream);
 738 }
 739
 740 opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream (FILE * p_file, OPJ_SIZE_T p_size, opj_bool p_is_read_stream)
 741 {
 742         opj_stream_t* l_stream = 00;
 743
 744         if (! p_file) {
 745                 return NULL;
 746         }
 747
 748         l_stream = opj_stream_create(p_size,p_is_read_stream);
 749         if (! l_stream) {
 750                 return NULL;
 751         }
 752
 753         opj_stream_set_user_data(l_stream, p_file);
 754         opj_stream_set_user_data_length(l_stream, opj_get_data_length_from_file(p_file));
 755         opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file);
 756         opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_file);
 757         opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file);
 758         opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file);
 759
 760         return l_stream;
 761 }
 762
 763 void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {
 764         if(cinfo && parameters && image) {
 765                 switch(cinfo->codec_format) {
 766                         case CODEC_J2K:
 767                                 j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);
 768                                 break;
 769                         case CODEC_JP2:
 770                                 jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);
 771                                 break;
 772                         case CODEC_JPT:
 773                         case CODEC_UNKNOWN:
 774                         default:
 775                                 break;
 776                 }
 777         }
 778 }
 779
 780 opj_bool OPJ_CALLCONV opj_setup_encoder_v2(opj_codec_t *p_info, opj_cparameters_t *parameters, opj_image_t *image)
 781 {
 782         if (p_info && parameters && image) {
 783                 opj_codec_private_t * l_codec = ((opj_codec_private_t *) p_info);
 784
 785                 if (! l_codec->is_decompressor) {
 786                         l_codec->m_codec_data.m_compression.opj_setup_encoder(l_codec->m_codec,parameters,image,l_codec->m_event_mgr);
 787                         return OPJ_TRUE;
 788                 }
 789         }
 790
 791         return OPJ_FALSE;
 792 }
 793
 794 opj_bool OPJ_CALLCONV opj_start_compress (      opj_codec_t *p_codec,
 795                                                                                         opj_image_t * p_image,
 796                                                                                         opj_stream_t *p_cio)
 797 {
 798         if (p_codec && p_cio) {
 799                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 800                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_cio;
 801
 802                 if (! l_codec->is_decompressor) {
 803                         return l_codec->m_codec_data.m_compression.opj_start_compress(l_codec->m_codec,l_cio,p_image,l_codec->m_event_mgr);
 804                 }
 805         }
 806
 807         return OPJ_FALSE;
 808 }
 809
 810 opj_bool OPJ_CALLCONV opj_encode_v2(opj_codec_t *p_info, opj_stream_t *cio)
 811 {
 812         if (p_info && cio) {
 813                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_info;
 814                 opj_stream_private_t * l_cio = (opj_stream_private_t *) cio;
 815
 816                 if (! l_codec->is_decompressor) {
 817                         l_codec->m_codec_data.m_compression.opj_encode(l_codec->m_codec,l_cio,l_codec->m_event_mgr);
 818                         return OPJ_TRUE;
 819                 }
 820         }
 821
 822         return OPJ_FALSE;
 823
 824 }
 825
 826 opj_bool OPJ_CALLCONV opj_end_compress (opj_codec_t *p_codec,opj_stream_t *p_cio)
 827 {
 828         if (p_codec && p_cio) {
 829                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 830                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_cio;
 831
 832                 if (! l_codec->is_decompressor) {
 833                         return l_codec->m_codec_data.m_compression.opj_end_compress(l_codec->m_codec,l_cio,l_codec->m_event_mgr);
 834                 }
 835         }
 836         return OPJ_FALSE;
 837
 838 }
 839
 840 opj_bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
 841         if (index != NULL)
 842                 opj_event_msg((opj_common_ptr)cinfo, EVT_WARNING, "Set index to NULL when calling the opj_encode function.\n"
 843                 "To extract the index, use the opj_encode_with_info() function.\n"
 844                 "No index will be generated during this encoding\n");
 845         return opj_encode_with_info(cinfo, cio, image, NULL);
 846 }
 847
 848 opj_bool OPJ_CALLCONV opj_encode_with_info(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
 849         if(cinfo && cio && image) {
 850                 switch(cinfo->codec_format) {
 851                         case CODEC_J2K:
 852                                 return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, cstr_info);
 853                         case CODEC_JP2:
 854                                 return opj_jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, cstr_info);
 855                         case CODEC_JPT:
 856                         case CODEC_UNKNOWN:
 857                         default:
 858                                 break;
 859                 }
 860         }
 861         return OPJ_FALSE;
 862 }
 863
 864 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) {
 865         if (cstr_info) {
 866                 int tileno;
 867                 for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
 868                         opj_tile_info_t *tile_info = &cstr_info->tile[tileno];
 869                         opj_free(tile_info->thresh);
 870                         opj_free(tile_info->packet);
 871                         opj_free(tile_info->tp);
 872                         opj_free(tile_info->marker);
 873                 }
 874                 opj_free(cstr_info->tile);
 875                 opj_free(cstr_info->marker);
 876                 opj_free(cstr_info->numdecompos);
 877         }
 878 }
 879
 880
 881 opj_bool OPJ_CALLCONV opj_read_header ( opj_stream_t *p_cio,
 882                                                                                 opj_codec_t *p_codec,
 883                                                                                 opj_image_t **p_image )
 884 {
 885         if (p_codec && p_cio) {
 886                 opj_codec_private_t* l_info = (opj_codec_private_t*) p_codec;
 887                 opj_stream_private_t* l_cio = (opj_stream_private_t*) p_cio;
 888
 889                 if(! l_info->is_decompressor) {
 890                         opj_event_msg_v2(l_info->m_event_mgr, EVT_ERROR, "Codec provided to the read_header function is not a decompressor handler.\n");
 891                         return OPJ_FALSE;
 892                 }
 893
 894                 return l_info->m_codec_data.m_decompression.opj_read_header(
 895                                         l_cio,
 896                                         l_info->m_codec,
 897                                         p_image,
 898                                         l_info->m_event_mgr);
 899         }
 900
 901         fprintf(stderr, "[ERROR] Input parameters of the read_header function are incorrect.\n");
 902         return OPJ_FALSE;
 903 }
 904
 905
 906 void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_info)
 907 {
 908         if (p_info) {
 909                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
 910
 911                 if (l_info->is_decompressor) {
 912                         l_info->m_codec_data.m_decompression.opj_destroy(l_info->m_codec);
 913                 }
 914                 else {
 915                         l_info->m_codec_data.m_compression.opj_destroy(l_info->m_codec);
 916                 }
 917
 918                 l_info->m_codec = 00;
 919                 opj_free(l_info);
 920         }
 921 }
 922
 923 /**
 924  * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
 925  *
 926  * @param       p_codec                 the jpeg2000 codec.
 927  * @param       p_start_x               the left position of the rectangle to decode (in image coordinates).
 928  * @param       p_end_x                 the right position of the rectangle to decode (in image coordinates).
 929  * @param       p_start_y               the up position of the rectangle to decode (in image coordinates).
 930  * @param       p_end_y                 the bottom position of the rectangle to decode (in image coordinates).
 931  *
 932  * @return      true                    if the area could be set.
 933  */
 934 opj_bool OPJ_CALLCONV opj_set_decode_area(      opj_codec_t *p_codec,
 935                                                                                         opj_image_t* p_image,
 936                                                                                         OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
 937                                                                                         OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
 938                                                                                         )
 939 {
 940         if (p_codec) {
 941                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 942                 if (! l_info->is_decompressor) {
 943                         return OPJ_FALSE;
 944                 }
 945
 946                 return  l_info->m_codec_data.m_decompression.opj_set_decode_area(       l_info->m_codec,
 947                                                                                                                                                         p_image,
 948                                                                                                                                                         p_start_x, p_start_y,
 949                                                                                                                                                         p_end_x, p_end_y,
 950                                                                                                                                                         l_info->m_event_mgr);
 951
 952         }
 953         return OPJ_FALSE;
 954 }
 955
 956 /**
 957  * Reads a tile header. This function is compulsory and allows one to know the size of the tile thta will be decoded.
 958  * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
 959  *
 960  * @param       p_codec                 the jpeg2000 codec.
 961  * @param       p_tile_index    pointer to a value that will hold the index of the tile being decoded, in case of success.
 962  * @param       p_data_size             pointer to a value that will hold the maximum size of the decoded data, in case of success. In case
 963  *                                                      of truncated codestreams, the actual number of bytes decoded may be lower. The computation of the size is the same
 964  *                                                      as depicted in opj_write_tile.
 965  * @param       p_tile_x0               pointer to a value that will hold the x0 pos of the tile (in the image).
 966  * @param       p_tile_y0               pointer to a value that will hold the y0 pos of the tile (in the image).
 967  * @param       p_tile_x1               pointer to a value that will hold the x1 pos of the tile (in the image).
 968  * @param       p_tile_y1               pointer to a value that will hold the y1 pos of the tile (in the image).
 969  * @param       p_nb_comps              pointer to a value that will hold the number of components in the tile.
 970  * @param       p_should_go_on  pointer to a boolean that will hold the fact that the decoding should go on. In case the
 971  *                                                      codestream is over at the time of the call, the value will be set to false. The user should then stop
 972  *                                                      the decoding.
 973  * @param       p_stream                the stream to decode.
 974  * @return      true                    if the tile header could be decoded. In case the decoding should end, the returned value is still true.
 975  *                                                      returning false may be the result of a shortage of memory or an internal error.
 976  */
 977 opj_bool OPJ_CALLCONV opj_read_tile_header(
 978                                         opj_codec_t *p_codec,
 979                                         opj_stream_t * p_stream,
 980                                         OPJ_UINT32 * p_tile_index,
 981                                         OPJ_UINT32 * p_data_size,
 982                                         OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
 983                                         OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
 984                                         OPJ_UINT32 * p_nb_comps,
 985                                         opj_bool * p_should_go_on)
 986 {
 987         if (p_codec && p_stream && p_data_size && p_tile_index) {
 988                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 989                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_stream;
 990
 991                 if (! l_info->is_decompressor) {
 992                         return OPJ_FALSE;
 993                 }
 994
 995                 return l_info->m_codec_data.m_decompression.opj_read_tile_header(
 996                         l_info->m_codec,
 997                         p_tile_index,
 998                         p_data_size,
 999                         p_tile_x0, p_tile_y0,
1000                         p_tile_x1, p_tile_y1,
1001                         p_nb_comps,
1002                         p_should_go_on,
1003                         l_cio,
1004                         l_info->m_event_mgr);
1005         }
1006         return OPJ_FALSE;
1007 }
1008
1009 /**
1010  * Reads a tile data. This function is compulsory and allows one to decode tile data. opj_read_tile_header should be called before.
1011  * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
1012  *
1013  * @param       p_codec                 the jpeg2000 codec.
1014  * @param       p_tile_index    the index of the tile being decoded, this should be the value set by opj_read_tile_header.
1015  * @param       p_data                  pointer to a memory block that will hold the decoded data.
1016  * @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.
1017  * @param       p_stream                the stream to decode.
1018  *
1019  * @return      true                    if the data could be decoded.
1020  */
1021 opj_bool OPJ_CALLCONV opj_decode_tile_data(
1022                                         opj_codec_t *p_codec,
1023                                         OPJ_UINT32 p_tile_index,
1024                                         OPJ_BYTE * p_data,
1025                                         OPJ_UINT32 p_data_size,
1026                                         opj_stream_t *p_stream
1027                                         )
1028 {
1029         if (p_codec && p_data && p_stream) {
1030                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
1031                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_stream;
1032
1033                 if (! l_info->is_decompressor) {
1034                         return OPJ_FALSE;
1035                 }
1036
1037                 return l_info->m_codec_data.m_decompression.opj_decode_tile_data(       l_info->m_codec,
1038                                                                                                                                                         p_tile_index,
1039                                                                                                                                                         p_data,
1040                                                                                                                                                         p_data_size,
1041                                                                                                                                                         l_cio,
1042                                                                                                                                                         l_info->m_event_mgr);
1043         }
1044         return OPJ_FALSE;
1045 }
1046
1047 /*
1048  *
1049  *
1050  */
1051 void OPJ_CALLCONV opj_dump_codec(       opj_codec_t *p_codec,
1052                                                                         OPJ_INT32 info_flag,
1053                                                                         FILE* output_stream)
1054 {
1055         if (p_codec) {
1056                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
1057
1058                 l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
1059                 return;
1060         }
1061
1062         fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n");
1063         return;
1064 }
1065
1066 /*
1067  *
1068  *
1069  */
1070 opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
1071 {
1072         if (p_codec) {
1073                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
1074
1075                 return l_codec->opj_get_codec_info(l_codec->m_codec);
1076         }
1077
1078         return NULL;
1079 }
1080
1081 /*
1082  *
1083  *
1084  */
1085 void OPJ_CALLCONV opj_destroy_cstr_info_v2(opj_codestream_info_v2_t **cstr_info) {
1086         if (cstr_info) {
1087
1088                 if ((*cstr_info)->m_default_tile_info.tccp_info){
1089                         opj_free((*cstr_info)->m_default_tile_info.tccp_info);
1090                 }
1091
1092                 if ((*cstr_info)->tile_info){
1093                         /* FIXME not used for the moment*/
1094                 }
1095
1096                 opj_free((*cstr_info));
1097                 (*cstr_info) = NULL;
1098         }
1099 }
1100
1101 /*
1102  *
1103  *
1104  */
1105 opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
1106 {
1107         if (p_codec) {
1108                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
1109
1110                 return l_codec->opj_get_codec_index(l_codec->m_codec);
1111         }
1112
1113         return NULL;
1114 }
1115
1116 /*
1117  *
1118  *
1119  */
1120 void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index)
1121 {
1122         if (*p_cstr_index){
1123
1124                 j2k_destroy_cstr_index(*p_cstr_index);
1125                 (*p_cstr_index) = NULL;
1126         }
1127 }
1128
1129
1130 opj_bool OPJ_CALLCONV opj_decode_v2(opj_codec_t *p_info,
1131                                                                         opj_stream_t *cio,
1132                                                                         opj_image_t* p_image)
1133 {
1134         if (p_info && cio) {
1135                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
1136                 opj_stream_private_t * l_cio = (opj_stream_private_t *) cio;
1137
1138                 if (! l_info->is_decompressor) {
1139                         return OPJ_FALSE;
1140                 }
1141
1142                 return l_info->m_codec_data.m_decompression.opj_decode( l_info->m_codec,
1143                                                                                                                                 l_cio,
1144                                                                                                                                 p_image,
1145                                                                                                                                 l_info->m_event_mgr);
1146         }
1147
1148         return OPJ_FALSE;
1149 }
1150
1151 /*
1152  *
1153  *
1154  */
1155 opj_bool OPJ_CALLCONV opj_end_decompress (opj_codec_t *p_codec,opj_stream_t *p_cio)
1156 {
1157         if (p_codec && p_cio) {
1158                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
1159                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_cio;
1160
1161                 if (! l_info->is_decompressor) {
1162                         return OPJ_FALSE;
1163                 }
1164                 return l_info->m_codec_data.m_decompression.opj_end_decompress( l_info->m_codec,
1165                                                                                                                                                 l_cio,
1166                                                                                                                                                 l_info->m_event_mgr);
1167         }
1168
1169         return OPJ_FALSE;
1170 }
1171
1172 /*
1173  *
1174  *
1175  */
1176 opj_bool OPJ_CALLCONV opj_get_decoded_tile(     opj_codec_t *p_codec,
1177                                                                                         opj_stream_t *p_cio,
1178                                                                                         opj_image_t *p_image,
1179                                                                                         OPJ_UINT32 tile_index)
1180 {
1181         if (p_codec && p_cio) {
1182                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1183                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_cio;
1184
1185         if (! l_codec->is_decompressor) {
1186                 return OPJ_FALSE;
1187                 }
1188                 return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile(      l_codec->m_codec,
1189                                                                                                                                                         l_stream,
1190                                                                                                                                                         p_image,
1191                                                                                                                                                         l_codec->m_event_mgr,
1192                                                                                                                                                         tile_index);
1193         }
1194
1195         return OPJ_FALSE;
1196 }
1197
1198 /*
1199  *
1200  *
1201  */
1202 opj_bool OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec, OPJ_UINT32 res_factor)
1203 {
1204         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1205
1206         if ( !l_codec ){
1207                 fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n");
1208                 return OPJ_FALSE;
1209         }
1210
1211
1212         l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(l_codec->m_codec, res_factor, l_codec->m_event_mgr);
1213
1214         return OPJ_TRUE;
1215 }
1216
1217
1218 opj_bool OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,OPJ_FLOAT32 * pEncodingMatrix,OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp)
1219 {
1220         OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * sizeof(OPJ_FLOAT32);
1221         OPJ_UINT32 l_dc_shift_size = pNbComp * sizeof(OPJ_INT32);
1222         OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
1223
1224         /* add MCT capability */
1225         int rsiz = (int)parameters->cp_rsiz | (int)MCT;
1226         parameters->cp_rsiz = (OPJ_RSIZ_CAPABILITIES)rsiz;
1227         parameters->irreversible = 1;
1228
1229         /* use array based MCT */
1230         parameters->tcp_mct = 2;
1231         parameters->mct_data = opj_malloc(l_mct_total_size);
1232         if (! parameters->mct_data) {
1233                 return OPJ_FALSE;
1234         }
1235
1236         memcpy(parameters->mct_data,pEncodingMatrix,l_matrix_size);
1237         memcpy(((OPJ_BYTE *) parameters->mct_data) +  l_matrix_size,p_dc_shift,l_dc_shift_size);
1238
1239         return OPJ_TRUE;
1240 }
1241
1242 /**
1243  * Writes a tile with the given data.
1244  *
1245  * @param       p_compressor            the jpeg2000 codec.
1246  * @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.
1247  * @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.
1248  * @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,
1249  *                                                              depending on the precision of the given component.
1250  * @param       p_stream                        the stream to write data to.
1251  */
1252 opj_bool OPJ_CALLCONV opj_write_tile (  opj_codec_t *p_codec,
1253                                                                                 OPJ_UINT32 p_tile_index,
1254                                                                                 OPJ_BYTE * p_data,
1255                                                                                 OPJ_UINT32 p_data_size,
1256                                                                                 opj_stream_t *p_stream )
1257 {
1258         if (p_codec && p_stream && p_data) {
1259                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
1260                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_stream;
1261
1262                 if (l_info->is_decompressor) {
1263                         return OPJ_FALSE;
1264                 }
1265
1266                 return l_info->m_codec_data.m_compression.opj_write_tile(l_info->m_codec,p_tile_index,p_data,p_data_size,l_cio,l_info->m_event_mgr);
1267         }
1268
1269         return OPJ_FALSE;
1270 }
1271
1272