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  * Default callback function.
 153  * Do nothing.
 154  */
 155 void opj_default_callback (const char *msg, void *client_data)
 156 {
 157 }
 158
 159 void set_default_event_handler(opj_event_mgr_t * p_manager)
 160 {
 161         p_manager->m_error_data = 00;
 162         p_manager->m_warning_data = 00;
 163         p_manager->m_info_data = 00;
 164         p_manager->error_handler = opj_default_callback;
 165         p_manager->info_handler = opj_default_callback;
 166         p_manager->warning_handler = opj_default_callback;
 167 }
 168
 169 opj_bool OPJ_CALLCONV opj_set_info_handler(     opj_codec_t * p_codec,
 170                                                                                         opj_msg_callback p_callback,
 171                                                                                         void * p_user_data)
 172 {
 173         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 174         if(! l_codec){
 175                 return OPJ_FALSE;
 176         }
 177
 178         l_codec->m_event_mgr.info_handler = p_callback;
 179         l_codec->m_event_mgr.m_info_data = p_user_data;
 180
 181         return OPJ_TRUE;
 182 }
 183
 184 opj_bool OPJ_CALLCONV opj_set_warning_handler(  opj_codec_t * p_codec,
 185                                                                                                 opj_msg_callback p_callback,
 186                                                                                                 void * p_user_data)
 187 {
 188         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 189         if (! l_codec) {
 190                 return OPJ_FALSE;
 191         }
 192
 193         l_codec->m_event_mgr.warning_handler = p_callback;
 194         l_codec->m_event_mgr.m_warning_data = p_user_data;
 195
 196         return OPJ_TRUE;
 197 }
 198
 199 opj_bool OPJ_CALLCONV opj_set_error_handler(opj_codec_t * p_codec,
 200                                                                                         opj_msg_callback p_callback,
 201                                                                                         void * p_user_data)
 202 {
 203         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 204         if (! l_codec) {
 205                 return OPJ_FALSE;
 206         }
 207
 208         l_codec->m_event_mgr.error_handler = p_callback;
 209         l_codec->m_event_mgr.m_error_data = p_user_data;
 210
 211         return OPJ_TRUE;
 212 }
 213
 214 /* ---------------------------------------------------------------------- */
 215
 216
 217 OPJ_SIZE_T opj_read_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
 218 {
 219         OPJ_SIZE_T l_nb_read = fread(p_buffer,1,p_nb_bytes,p_file);
 220         return l_nb_read ? l_nb_read : -1;
 221 }
 222
 223 OPJ_UINT64 opj_get_data_length_from_file (FILE * p_file)
 224 {
 225         OPJ_OFF_T file_length = 0;
 226
 227         OPJ_FSEEK(p_file, 0, SEEK_END);
 228         file_length = (OPJ_UINT64)OPJ_FTELL(p_file);
 229         OPJ_FSEEK(p_file, 0, SEEK_SET);
 230
 231         return file_length;
 232 }
 233
 234 OPJ_SIZE_T opj_write_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
 235 {
 236         return fwrite(p_buffer,1,p_nb_bytes,p_file);
 237 }
 238
 239 OPJ_OFF_T opj_skip_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
 240 {
 241         if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_CUR)) {
 242                 return -1;
 243         }
 244
 245         return p_nb_bytes;
 246 }
 247
 248 opj_bool opj_seek_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
 249 {
 250         if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_SET)) {
 251                 return EXIT_FAILURE;
 252         }
 253
 254         return EXIT_SUCCESS;
 255 }
 256
 257 /* ---------------------------------------------------------------------- */
 258 #ifdef _WIN32
 259 #ifndef OPJ_STATIC
 260 BOOL APIENTRY
 261 DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
 262
 263         OPJ_ARG_NOT_USED(lpReserved);
 264         OPJ_ARG_NOT_USED(hModule);
 265
 266         switch (ul_reason_for_call) {
 267                 case DLL_PROCESS_ATTACH :
 268                         break;
 269                 case DLL_PROCESS_DETACH :
 270                         break;
 271                 case DLL_THREAD_ATTACH :
 272                 case DLL_THREAD_DETACH :
 273                         break;
 274     }
 275
 276     return TRUE;
 277 }
 278 #endif /* OPJ_STATIC */
 279 #endif /* _WIN32 */
 280
 281 /* ---------------------------------------------------------------------- */
 282
 283
 284 const char* OPJ_CALLCONV opj_version(void) {
 285     return PACKAGE_VERSION;
 286 }
 287
 288
 289 /* DEPRECATED */
 290 opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format) {
 291         opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_calloc(1, sizeof(opj_dinfo_t));
 292         if(!dinfo) return NULL;
 293         dinfo->is_decompressor = OPJ_TRUE;
 294         switch(format) {
 295                 case CODEC_J2K:
 296                 case CODEC_JPT:
 297                         /* get a J2K decoder handle */
 298                         dinfo->j2k_handle = (void*)j2k_create_decompress((opj_common_ptr)dinfo);
 299                         if(!dinfo->j2k_handle) {
 300                                 opj_free(dinfo);
 301                                 return NULL;
 302                         }
 303                         break;
 304                 case CODEC_JP2:
 305                         /* get a JP2 decoder handle */
 306                         dinfo->jp2_handle = (void*)jp2_create_decompress((opj_common_ptr)dinfo);
 307                         if(!dinfo->jp2_handle) {
 308                                 opj_free(dinfo);
 309                                 return NULL;
 310                         }
 311                         break;
 312                 case CODEC_UNKNOWN:
 313                 default:
 314                         opj_free(dinfo);
 315                         return NULL;
 316         }
 317
 318         dinfo->codec_format = format;
 319
 320         return dinfo;
 321 }
 322
 323 opj_codec_t* OPJ_CALLCONV opj_create_decompress_v2(OPJ_CODEC_FORMAT p_format)
 324 {
 325         opj_codec_private_t *l_codec = 00;
 326
 327         l_codec = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
 328         if (!l_codec){
 329                 return 00;
 330         }
 331         memset(l_codec, 0, sizeof(opj_codec_private_t));
 332
 333         l_codec->is_decompressor = 1;
 334
 335         switch (p_format) {
 336                 case CODEC_J2K:
 337                         l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) j2k_dump;
 338
 339                         l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) j2k_get_cstr_info;
 340
 341                         l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) j2k_get_cstr_index;
 342
 343                         l_codec->m_codec_data.m_decompression.opj_decode =
 344                                         (opj_bool (*) ( void *,
 345                                                                         struct opj_stream_private *,
 346                                                                         opj_image_t*, struct opj_event_mgr * )) j2k_decode_v2;
 347
 348                         l_codec->m_codec_data.m_decompression.opj_end_decompress =
 349                                         (opj_bool (*) ( void *,
 350                                                                         struct opj_stream_private *,
 351                                                                         struct opj_event_mgr *)) j2k_end_decompress;
 352
 353                         l_codec->m_codec_data.m_decompression.opj_read_header =
 354                                         (opj_bool (*) ( struct opj_stream_private *,
 355                                                                         void *,
 356                                                                         opj_image_t **,
 357                                                                         struct opj_event_mgr * )) j2k_read_header;
 358
 359                         l_codec->m_codec_data.m_decompression.opj_destroy =
 360                                         (void (*) (void *))j2k_destroy;
 361
 362                         l_codec->m_codec_data.m_decompression.opj_setup_decoder =
 363                                         (void (*) (void * , opj_dparameters_t * )) j2k_setup_decoder_v2;
 364
 365                         l_codec->m_codec_data.m_decompression.opj_read_tile_header =
 366                                         (opj_bool (*) ( void *,
 367                                                                         OPJ_UINT32*,
 368                                                                         OPJ_UINT32*,
 369                                                                         OPJ_INT32*, OPJ_INT32*,
 370                                                                         OPJ_INT32*, OPJ_INT32*,
 371                                                                         OPJ_UINT32*,
 372                                                                         opj_bool*,
 373                                                                         struct opj_stream_private *,
 374                                                                         struct opj_event_mgr * )) j2k_read_tile_header;
 375
 376                         l_codec->m_codec_data.m_decompression.opj_decode_tile_data =
 377                                         (opj_bool (*) (void *, OPJ_UINT32, OPJ_BYTE*, OPJ_UINT32, struct opj_stream_private *, struct opj_event_mgr *)) j2k_decode_tile;
 378
 379                         l_codec->m_codec_data.m_decompression.opj_set_decode_area =
 380                                         (opj_bool (*) (void *, opj_image_t*, OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32, struct opj_event_mgr *)) j2k_set_decode_area;
 381
 382                         l_codec->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)) j2k_get_tile;
 387
 388                         l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor = (opj_bool (*) (void * p_codec,
 389                                                                                                                                                                                                         OPJ_UINT32 res_factor,
 390                                                                                                                                                                                                         struct opj_event_mgr * p_manager)) j2k_set_decoded_resolution_factor;
 391
 392                         l_codec->m_codec = j2k_create_decompress_v2();
 393
 394                         if (! l_codec->m_codec) {
 395                                 opj_free(l_codec);
 396                                 return NULL;
 397                         }
 398
 399                         break;
 400
 401                 case CODEC_JP2:
 402                         /* get a JP2 decoder handle */
 403                         l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) jp2_dump;
 404
 405                         l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) jp2_get_cstr_info;
 406
 407                         l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) jp2_get_cstr_index;
 408
 409                         l_codec->m_codec_data.m_decompression.opj_decode =
 410                                         (opj_bool (*) ( void *,
 411                                                                         struct opj_stream_private *,
 412                                                                         opj_image_t*,
 413                                                                         struct opj_event_mgr * )) jp2_decode_v2;
 414
 415                         l_codec->m_codec_data.m_decompression.opj_end_decompress =  (opj_bool (*) (void *,struct opj_stream_private *,struct opj_event_mgr *)) jp2_end_decompress;
 416
 417                         l_codec->m_codec_data.m_decompression.opj_read_header =  (opj_bool (*) (
 418                                         struct opj_stream_private *,
 419                                         void *,
 420                                         opj_image_t **,
 421                                         struct opj_event_mgr * )) jp2_read_header;
 422
 423                         l_codec->m_codec_data.m_decompression.opj_read_tile_header = ( opj_bool (*) (
 424                                         void *,
 425                                         OPJ_UINT32*,
 426                                         OPJ_UINT32*,
 427                                         OPJ_INT32*,
 428                                         OPJ_INT32*,
 429                                         OPJ_INT32 * ,
 430                                         OPJ_INT32 * ,
 431                                         OPJ_UINT32 * ,
 432                                         opj_bool *,
 433                                         struct opj_stream_private *,
 434                                         struct opj_event_mgr * )) jp2_read_tile_header;
 435
 436                         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;
 437
 438                         l_codec->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))jp2_destroy;
 439
 440                         l_codec->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * ,opj_dparameters_t * )) jp2_setup_decoder_v2;
 441
 442                         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;
 443
 444                         l_codec->m_codec_data.m_decompression.opj_get_decoded_tile = (opj_bool (*) (void *p_codec,
 445                                                                                                                                                                                 opj_stream_private_t *p_cio,
 446                                                                                                                                                                                 opj_image_t *p_image,
 447                                                                                                                                                                                 struct opj_event_mgr * p_manager,
 448                                                                                                                                                                                 OPJ_UINT32 tile_index)) jp2_get_tile;
 449
 450                         l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor = (opj_bool (*) (void * p_codec,
 451                                                                                                                                                                                                         OPJ_UINT32 res_factor,
 452                                                                                                                                                                                                         opj_event_mgr_t * p_manager)) jp2_set_decoded_resolution_factor;
 453
 454                         l_codec->m_codec = jp2_create(OPJ_TRUE);
 455
 456                         if (! l_codec->m_codec) {
 457                                 opj_free(l_codec);
 458                                 return 00;
 459                         }
 460
 461                         break;
 462                 case CODEC_UNKNOWN:
 463                 case CODEC_JPT:
 464                 default:
 465                         opj_free(l_codec);
 466                         return 00;
 467         }
 468
 469         set_default_event_handler(&(l_codec->m_event_mgr));
 470         return (opj_codec_t*) l_codec;
 471 }
 472
 473 /* DEPRECATED */
 474 void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo) {
 475         if(dinfo) {
 476                 /* destroy the codec */
 477                 switch(dinfo->codec_format) {
 478                         case CODEC_J2K:
 479                         case CODEC_JPT:
 480                                 j2k_destroy_decompress((opj_j2k_t*)dinfo->j2k_handle);
 481                                 break;
 482                         case CODEC_JP2:
 483                                 jp2_destroy_decompress((opj_jp2_t*)dinfo->jp2_handle);
 484                                 break;
 485                         case CODEC_UNKNOWN:
 486                         default:
 487                                 break;
 488                 }
 489                 /* destroy the decompressor */
 490                 opj_free(dinfo);
 491         }
 492 }
 493
 494 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
 495         if(parameters) {
 496                 memset(parameters, 0, sizeof(opj_dparameters_t));
 497                 /* default decoding parameters */
 498                 parameters->cp_layer = 0;
 499                 parameters->cp_reduce = 0;
 500                 parameters->cp_limit_decoding = NO_LIMITATION;
 501
 502                 parameters->decod_format = -1;
 503                 parameters->cod_format = -1;
 504                 parameters->flags = 0;
 505 /* UniPG>> */
 506 #ifdef USE_JPWL
 507                 parameters->jpwl_correct = OPJ_FALSE;
 508                 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
 509                 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
 510 #endif /* USE_JPWL */
 511 /* <<UniPG */
 512         }
 513 }
 514
 515 /* DEPRECATED */
 516 void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
 517         if(dinfo && parameters) {
 518                 switch(dinfo->codec_format) {
 519                         case CODEC_J2K:
 520                         case CODEC_JPT:
 521                                 j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);
 522                                 break;
 523                         case CODEC_JP2:
 524                                 jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);
 525                                 break;
 526                         case CODEC_UNKNOWN:
 527                         default:
 528                                 break;
 529                 }
 530         }
 531 }
 532
 533 opj_bool OPJ_CALLCONV opj_setup_decoder_v2(     opj_codec_t *p_codec,
 534                                                                                         opj_dparameters_t *parameters
 535                                                                                         )
 536 {
 537         if (p_codec && parameters) {
 538                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 539
 540                 if (! l_codec->is_decompressor) {
 541                         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");
 542                         return OPJ_FALSE;
 543                 }
 544
 545                 l_codec->m_codec_data.m_decompression.opj_setup_decoder(l_codec->m_codec,
 546                                                                                                                                 parameters);
 547                 return OPJ_TRUE;
 548         }
 549         return OPJ_FALSE;
 550 }
 551
 552 /* DEPRECATED */
 553 opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
 554         return opj_decode_with_info(dinfo, cio, NULL);
 555 }
 556
 557 /* DEPRECATED */
 558 opj_image_t* OPJ_CALLCONV opj_decode_with_info(opj_dinfo_t *dinfo, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
 559         if(dinfo && cio) {
 560                 switch(dinfo->codec_format) {
 561                         case CODEC_J2K:
 562                                 return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 563                         case CODEC_JPT:
 564                                 return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 565                         case CODEC_JP2:
 566                                 return opj_jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio, cstr_info);
 567                         case CODEC_UNKNOWN:
 568                         default:
 569                                 break;
 570                 }
 571         }
 572         return NULL;
 573 }
 574
 575 /* DEPRECATED */
 576 opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) {
 577         opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_calloc(1, sizeof(opj_cinfo_t));
 578         if(!cinfo) return NULL;
 579         cinfo->is_decompressor = OPJ_FALSE;
 580         switch(format) {
 581                 case CODEC_J2K:
 582                         /* get a J2K coder handle */
 583                         cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);
 584                         if(!cinfo->j2k_handle) {
 585                                 opj_free(cinfo);
 586                                 return NULL;
 587                         }
 588                         break;
 589                 case CODEC_JP2:
 590                         /* get a JP2 coder handle */
 591                         cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);
 592                         if(!cinfo->jp2_handle) {
 593                                 opj_free(cinfo);
 594                                 return NULL;
 595                         }
 596                         break;
 597                 case CODEC_JPT:
 598                 case CODEC_UNKNOWN:
 599                 default:
 600                         opj_free(cinfo);
 601                         return NULL;
 602         }
 603
 604         cinfo->codec_format = format;
 605
 606         return cinfo;
 607 }
 608
 609
 610 opj_codec_t* OPJ_CALLCONV opj_create_compress_v2(OPJ_CODEC_FORMAT p_format)
 611 {
 612         opj_codec_private_t *l_codec = 00;
 613
 614         l_codec = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t));
 615         if (!l_codec) {
 616                 return 00;
 617         }
 618         memset(l_codec, 0, sizeof(opj_codec_private_t));
 619
 620         l_codec->is_decompressor = 0;
 621
 622         switch(p_format) {
 623                 case CODEC_J2K:
 624                         l_codec->m_codec_data.m_compression.opj_encode = (opj_bool (*) (void *,
 625                                                                                                                                                         struct opj_stream_private *,
 626                                                                                                                                                         struct opj_event_mgr * )) j2k_encode_v2;
 627
 628                         l_codec->m_codec_data.m_compression.opj_end_compress = (opj_bool (*) (  void *,
 629                                                                                                                                                                         struct opj_stream_private *,
 630                                                                                                                                                                         struct opj_event_mgr *)) j2k_end_compress;
 631
 632                         l_codec->m_codec_data.m_compression.opj_start_compress = (opj_bool (*) (void *,
 633                                                                                                                                                                         struct opj_stream_private *,
 634                                                                                                                                                                         struct opj_image * ,
 635                                                                                                                                                                         struct opj_event_mgr *)) j2k_start_compress;
 636
 637                         l_codec->m_codec_data.m_compression.opj_write_tile = (opj_bool (*) (void *,
 638                                                                                                                                                                 OPJ_UINT32,
 639                                                                                                                                                                 OPJ_BYTE*,
 640                                                                                                                                                                 OPJ_UINT32,
 641                                                                                                                                                                 struct opj_stream_private *,
 642                                                                                                                                                                 struct opj_event_mgr *) ) j2k_write_tile;
 643
 644                         l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) j2k_destroy;
 645
 646                         l_codec->m_codec_data.m_compression.opj_setup_encoder = (void (*) (     void *,
 647                                                                                                                                                                 opj_cparameters_t *,
 648                                                                                                                                                                 struct opj_image *,
 649                                                                                                                                                                 struct opj_event_mgr * )) j2k_setup_encoder_v2;
 650
 651                         l_codec->m_codec = j2k_create_compress_v2();
 652                         if (! l_codec->m_codec) {
 653                                 opj_free(l_codec);
 654                                 return 00;
 655                         }
 656
 657                         break;
 658
 659                 case CODEC_JP2:
 660                         /* get a JP2 decoder handle */
 661                         l_codec->m_codec_data.m_compression.opj_encode = (opj_bool (*) (void *,
 662                                                                                                                                                         struct opj_stream_private *,
 663                                                                                                                                                         struct opj_event_mgr * )) opj_jp2_encode;
 664
 665                         l_codec->m_codec_data.m_compression.opj_end_compress = (opj_bool (*) (  void *,
 666                                                                                                                                                                         struct opj_stream_private *,
 667                                                                                                                                                                         struct opj_event_mgr *)) jp2_end_compress;
 668
 669                         l_codec->m_codec_data.m_compression.opj_start_compress = (opj_bool (*) (void *,
 670                                                                                                                                                                         struct opj_stream_private *,
 671                                                                                                                                                                         struct opj_image * ,
 672                                                                                                                                                                         struct opj_event_mgr *))  jp2_start_compress;
 673
 674                         l_codec->m_codec_data.m_compression.opj_write_tile = (opj_bool (*) (void *,
 675                                                                                                                                                                 OPJ_UINT32,
 676                                                                                                                                                                 OPJ_BYTE*,
 677                                                                                                                                                                 OPJ_UINT32,
 678                                                                                                                                                                 struct opj_stream_private *,
 679                                                                                                                                                                 struct opj_event_mgr *)) jp2_write_tile;
 680
 681                         l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) jp2_destroy;
 682
 683                         l_codec->m_codec_data.m_compression.opj_setup_encoder = (void (*) (     void *,
 684                                                                                                                                                                 opj_cparameters_t *,
 685                                                                                                                                                                 struct opj_image *,
 686                                                                                                                                                                 struct opj_event_mgr * )) jp2_setup_encoder;
 687
 688                         l_codec->m_codec = jp2_create(OPJ_FALSE);
 689                         if (! l_codec->m_codec) {
 690                                 opj_free(l_codec);
 691                                 return 00;
 692                         }
 693
 694                         break;
 695
 696                 case CODEC_UNKNOWN:
 697                 case CODEC_JPT:
 698                 default:
 699                         opj_free(l_codec);
 700                         return 00;
 701         }
 702
 703         set_default_event_handler(&(l_codec->m_event_mgr));
 704         return (opj_codec_t*) l_codec;
 705 }
 706
 707 /* DEPRECATED */
 708 void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) {
 709         if(cinfo) {
 710                 /* destroy the codec */
 711                 switch(cinfo->codec_format) {
 712                         case CODEC_J2K:
 713                                 j2k_destroy_compress((opj_j2k_t*)cinfo->j2k_handle);
 714                                 break;
 715                         case CODEC_JP2:
 716                                 jp2_destroy_compress((opj_jp2_t*)cinfo->jp2_handle);
 717                                 break;
 718                         case CODEC_JPT:
 719                         case CODEC_UNKNOWN:
 720                         default:
 721                                 break;
 722                 }
 723                 /* destroy the decompressor */
 724                 opj_free(cinfo);
 725         }
 726 }
 727
 728 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
 729         if(parameters) {
 730                 memset(parameters, 0, sizeof(opj_cparameters_t));
 731                 /* default coding parameters */
 732                 parameters->cp_cinema = OFF;
 733                 parameters->max_comp_size = 0;
 734                 parameters->numresolution = 6;
 735                 parameters->cp_rsiz = STD_RSIZ;
 736                 parameters->cblockw_init = 64;
 737                 parameters->cblockh_init = 64;
 738                 parameters->prog_order = LRCP;
 739                 parameters->roi_compno = -1;            /* no ROI */
 740                 parameters->subsampling_dx = 1;
 741                 parameters->subsampling_dy = 1;
 742                 parameters->tp_on = 0;
 743                 parameters->decod_format = -1;
 744                 parameters->cod_format = -1;
 745                 parameters->tcp_rates[0] = 0;
 746                 parameters->tcp_numlayers = 0;
 747                 parameters->cp_disto_alloc = 0;
 748                 parameters->cp_fixed_alloc = 0;
 749                 parameters->cp_fixed_quality = 0;
 750                 parameters->jpip_on = OPJ_FALSE;
 751 /* UniPG>> */
 752 #ifdef USE_JPWL
 753                 parameters->jpwl_epc_on = OPJ_FALSE;
 754                 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
 755                 {
 756                         int i;
 757                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 758                                 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
 759                                 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
 760                         }
 761                 };
 762                 {
 763                         int i;
 764                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
 765                                 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
 766                                 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
 767                                 parameters->jpwl_pprot[i] = 0; /* absent */
 768                         }
 769                 };
 770                 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
 771                 parameters->jpwl_sens_addr = 0; /* 0 means auto */
 772                 parameters->jpwl_sens_range = 0; /* 0 means packet */
 773                 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
 774                 {
 775                         int i;
 776                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 777                                 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
 778                                 parameters->jpwl_sens_TPH[i] = -1; /* absent */
 779                         }
 780                 };
 781 #endif /* USE_JPWL */
 782 /* <<UniPG */
 783         }
 784 }
 785
 786 /**
 787  * Helper function.
 788  * Sets the stream to be a file stream. The FILE must have been open previously.
 789  * @param               p_stream        the stream to modify
 790  * @param               p_file          handler to an already open file.
 791 */
 792 opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (FILE * p_file, opj_bool p_is_read_stream)
 793 {
 794         return opj_stream_create_file_stream(p_file,J2K_STREAM_CHUNK_SIZE,p_is_read_stream);
 795 }
 796
 797 opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream (      FILE * p_file,
 798                                                                                                                         OPJ_SIZE_T p_size,
 799                                                                                                                         opj_bool p_is_read_stream)
 800 {
 801         opj_stream_t* l_stream = 00;
 802
 803         if (! p_file) {
 804                 return NULL;
 805         }
 806
 807         l_stream = opj_stream_create(p_size,p_is_read_stream);
 808         if (! l_stream) {
 809                 return NULL;
 810         }
 811
 812         opj_stream_set_user_data(l_stream, p_file);
 813         opj_stream_set_user_data_length(l_stream, opj_get_data_length_from_file(p_file));
 814         opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file);
 815         opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_file);
 816         opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file);
 817         opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file);
 818
 819         return l_stream;
 820 }
 821 /* DEPRECATED */
 822 void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {
 823         if(cinfo && parameters && image) {
 824                 switch(cinfo->codec_format) {
 825                         case CODEC_J2K:
 826                                 j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);
 827                                 break;
 828                         case CODEC_JP2:
 829                                 jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);
 830                                 break;
 831                         case CODEC_JPT:
 832                         case CODEC_UNKNOWN:
 833                         default:
 834                                 break;
 835                 }
 836         }
 837 }
 838
 839 opj_bool OPJ_CALLCONV opj_setup_encoder_v2(     opj_codec_t *p_codec,
 840                                                                                         opj_cparameters_t *parameters,
 841                                                                                         opj_image_t *p_image)
 842 {
 843         if (p_codec && parameters && p_image) {
 844                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 845
 846                 if (! l_codec->is_decompressor) {
 847                         l_codec->m_codec_data.m_compression.opj_setup_encoder(  l_codec->m_codec,
 848                                                                                                                                         parameters,
 849                                                                                                                                         p_image,
 850                                                                                                                                         &(l_codec->m_event_mgr) );
 851                         return OPJ_TRUE;
 852                 }
 853         }
 854
 855         return OPJ_FALSE;
 856 }
 857
 858 opj_bool OPJ_CALLCONV opj_start_compress (      opj_codec_t *p_codec,
 859                                                                                         opj_image_t * p_image,
 860                                                                                         opj_stream_t *p_stream)
 861 {
 862         if (p_codec && p_stream) {
 863                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 864                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 865
 866                 if (! l_codec->is_decompressor) {
 867                         return l_codec->m_codec_data.m_compression.opj_start_compress(  l_codec->m_codec,
 868                                                                                                                                                         l_stream,
 869                                                                                                                                                         p_image,
 870                                                                                                                                                         &(l_codec->m_event_mgr));
 871                 }
 872         }
 873
 874         return OPJ_FALSE;
 875 }
 876
 877 opj_bool OPJ_CALLCONV opj_encode_v2(opj_codec_t *p_info, opj_stream_t *p_stream)
 878 {
 879         if (p_info && p_stream) {
 880                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_info;
 881                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 882
 883                 if (! l_codec->is_decompressor) {
 884                         l_codec->m_codec_data.m_compression.opj_encode( l_codec->m_codec,
 885                                                                                                                         l_stream,
 886                                                                                                                         &(l_codec->m_event_mgr));
 887                         return OPJ_TRUE;
 888                 }
 889         }
 890
 891         return OPJ_FALSE;
 892
 893 }
 894
 895 opj_bool OPJ_CALLCONV opj_end_compress (opj_codec_t *p_codec,
 896                                                                                 opj_stream_t *p_stream)
 897 {
 898         if (p_codec && p_stream) {
 899                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 900                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
 901
 902                 if (! l_codec->is_decompressor) {
 903                         return l_codec->m_codec_data.m_compression.opj_end_compress(l_codec->m_codec,
 904                                                                                                                                                 l_stream,
 905                                                                                                                                                 &(l_codec->m_event_mgr));
 906                 }
 907         }
 908         return OPJ_FALSE;
 909
 910 }
 911
 912 /* DEPRECATED */
 913 opj_bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
 914         if (index != NULL)
 915                 opj_event_msg((opj_common_ptr)cinfo, EVT_WARNING, "Set index to NULL when calling the opj_encode function.\n"
 916                 "To extract the index, use the opj_encode_with_info() function.\n"
 917                 "No index will be generated during this encoding\n");
 918         return opj_encode_with_info(cinfo, cio, image, NULL);
 919 }
 920
 921 /* DEPRECATED */
 922 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) {
 923         if(cinfo && cio && image) {
 924                 switch(cinfo->codec_format) {
 925                         case CODEC_J2K:
 926                                 return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, cstr_info);
 927                         case CODEC_JP2:
 928                                 return opj_jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, cstr_info);
 929                         case CODEC_JPT:
 930                         case CODEC_UNKNOWN:
 931                         default:
 932                                 break;
 933                 }
 934         }
 935         return OPJ_FALSE;
 936 }
 937
 938 /* DEPRECATED */
 939 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) {
 940         if (cstr_info) {
 941                 int tileno;
 942                 for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
 943                         opj_tile_info_t *tile_info = &cstr_info->tile[tileno];
 944                         opj_free(tile_info->thresh);
 945                         opj_free(tile_info->packet);
 946                         opj_free(tile_info->tp);
 947                         opj_free(tile_info->marker);
 948                 }
 949                 opj_free(cstr_info->tile);
 950                 opj_free(cstr_info->marker);
 951                 opj_free(cstr_info->numdecompos);
 952         }
 953 }
 954
 955
 956 opj_bool OPJ_CALLCONV opj_read_header ( opj_stream_t *p_stream,
 957                                                                                 opj_codec_t *p_codec,
 958                                                                                 opj_image_t **p_image )
 959 {
 960         if (p_codec && p_stream) {
 961                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 962                 opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream;
 963
 964                 if(! l_codec->is_decompressor) {
 965                         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");
 966                         return OPJ_FALSE;
 967                 }
 968
 969                 return l_codec->m_codec_data.m_decompression.opj_read_header(   l_stream,
 970                                                                                                                                                 l_codec->m_codec,
 971                                                                                                                                                 p_image,
 972                                                                                                                                                 &(l_codec->m_event_mgr) );
 973         }
 974
 975         return OPJ_FALSE;
 976 }
 977
 978
 979 void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
 980 {
 981         if (p_codec) {
 982                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
 983
 984                 if (l_codec->is_decompressor) {
 985                         l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec);
 986                 }
 987                 else {
 988                         l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec);
 989                 }
 990
 991                 l_codec->m_codec = 00;
 992                 opj_free(l_codec);
 993         }
 994 }
 995
 996 /**
 997  * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
 998  *
 999  * @param       p_codec                 the jpeg2000 codec.
1000  * @param       p_start_x               the left position of the rectangle to decode (in image coordinates).
1001  * @param       p_end_x                 the right position of the rectangle to decode (in image coordinates).
1002  * @param       p_start_y               the up position of the rectangle to decode (in image coordinates).
1003  * @param       p_end_y                 the bottom position of the rectangle to decode (in image coordinates).
1004  *
1005  * @return      true                    if the area could be set.
1006  */
1007 opj_bool OPJ_CALLCONV opj_set_decode_area(      opj_codec_t *p_codec,
1008                                                                                         opj_image_t* p_image,
1009                                                                                         OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
1010                                                                                         OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
1011                                                                                         )
1012 {
1013         if (p_codec) {
1014                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1015
1016                 if (! l_codec->is_decompressor) {
1017                         return OPJ_FALSE;
1018                 }
1019
1020                 return  l_codec->m_codec_data.m_decompression.opj_set_decode_area(      l_codec->m_codec,
1021                                                                                                                                                         p_image,
1022                                                                                                                                                         p_start_x, p_start_y,
1023                                                                                                                                                         p_end_x, p_end_y,
1024                                                                                                                                                         &(l_codec->m_event_mgr) );
1025         }
1026         return OPJ_FALSE;
1027 }
1028
1029 /**
1030  * Reads a tile header. This function is compulsory and allows one to know the size of the tile thta will be decoded.
1031  * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
1032  *
1033  * @param       p_codec                 the jpeg2000 codec.
1034  * @param       p_tile_index    pointer to a value that will hold the index of the tile being decoded, in case of success.
1035  * @param       p_data_size             pointer to a value that will hold the maximum size of the decoded data, in case of success. In case
1036  *                                                      of truncated codestreams, the actual number of bytes decoded may be lower. The computation of the size is the same
1037  *                                                      as depicted in opj_write_tile.
1038  * @param       p_tile_x0               pointer to a value that will hold the x0 pos of the tile (in the image).
1039  * @param       p_tile_y0               pointer to a value that will hold the y0 pos of the tile (in the image).
1040  * @param       p_tile_x1               pointer to a value that will hold the x1 pos of the tile (in the image).
1041  * @param       p_tile_y1               pointer to a value that will hold the y1 pos of the tile (in the image).
1042  * @param       p_nb_comps              pointer to a value that will hold the number of components in the tile.
1043  * @param       p_should_go_on  pointer to a boolean that will hold the fact that the decoding should go on. In case the
1044  *                                                      codestream is over at the time of the call, the value will be set to false. The user should then stop
1045  *                                                      the decoding.
1046  * @param       p_stream                the stream to decode.
1047  * @return      true                    if the tile header could be decoded. In case the decoding should end, the returned value is still true.
1048  *                                                      returning false may be the result of a shortage of memory or an internal error.
1049  */
1050 opj_bool OPJ_CALLCONV opj_read_tile_header(     opj_codec_t *p_codec,
1051                                                                                         opj_stream_t * p_stream,
1052                                                                                         OPJ_UINT32 * p_tile_index,
1053                                                                                         OPJ_UINT32 * p_data_size,
1054                                                                                         OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
1055                                                                                         OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
1056                                                                                         OPJ_UINT32 * p_nb_comps,
1057                                                                                         opj_bool * p_should_go_on)
1058 {
1059         if (p_codec && p_stream && p_data_size && p_tile_index) {
1060                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1061                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
1062
1063                 if (! l_codec->is_decompressor) {
1064                         return OPJ_FALSE;
1065                 }
1066
1067                 return l_codec->m_codec_data.m_decompression.opj_read_tile_header(      l_codec->m_codec,
1068                                                                                                                                                         p_tile_index,
1069                                                                                                                                                         p_data_size,
1070                                                                                                                                                         p_tile_x0, p_tile_y0,
1071                                                                                                                                                         p_tile_x1, p_tile_y1,
1072                                                                                                                                                         p_nb_comps,
1073                                                                                                                                                         p_should_go_on,
1074                                                                                                                                                         l_stream,
1075                                                                                                                                                         &(l_codec->m_event_mgr));
1076         }
1077         return OPJ_FALSE;
1078 }
1079
1080 /**
1081  * Reads a tile data. This function is compulsory and allows one to decode tile data. opj_read_tile_header should be called before.
1082  * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
1083  *
1084  * @param       p_codec                 the jpeg2000 codec.
1085  * @param       p_tile_index    the index of the tile being decoded, this should be the value set by opj_read_tile_header.
1086  * @param       p_data                  pointer to a memory block that will hold the decoded data.
1087  * @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.
1088  * @param       p_stream                the stream to decode.
1089  *
1090  * @return      true                    if the data could be decoded.
1091  */
1092 opj_bool OPJ_CALLCONV opj_decode_tile_data(     opj_codec_t *p_codec,
1093                                                                                         OPJ_UINT32 p_tile_index,
1094                                                                                         OPJ_BYTE * p_data,
1095                                                                                         OPJ_UINT32 p_data_size,
1096                                                                                         opj_stream_t *p_stream
1097                                                                                         )
1098 {
1099         if (p_codec && p_data && p_stream) {
1100                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1101                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
1102
1103                 if (! l_codec->is_decompressor) {
1104                         return OPJ_FALSE;
1105                 }
1106
1107                 return l_codec->m_codec_data.m_decompression.opj_decode_tile_data(      l_codec->m_codec,
1108                                                                                                                                                         p_tile_index,
1109                                                                                                                                                         p_data,
1110                                                                                                                                                         p_data_size,
1111                                                                                                                                                         l_stream,
1112                                                                                                                                                         &(l_codec->m_event_mgr) );
1113         }
1114         return OPJ_FALSE;
1115 }
1116
1117 /*
1118  *
1119  *
1120  */
1121 void OPJ_CALLCONV opj_dump_codec(       opj_codec_t *p_codec,
1122                                                                         OPJ_INT32 info_flag,
1123                                                                         FILE* output_stream)
1124 {
1125         if (p_codec) {
1126                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
1127
1128                 l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
1129                 return;
1130         }
1131
1132         fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n");
1133         return;
1134 }
1135
1136 /*
1137  *
1138  *
1139  */
1140 opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
1141 {
1142         if (p_codec) {
1143                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
1144
1145                 return l_codec->opj_get_codec_info(l_codec->m_codec);
1146         }
1147
1148         return NULL;
1149 }
1150
1151 /*
1152  *
1153  *
1154  */
1155 void OPJ_CALLCONV opj_destroy_cstr_info_v2(opj_codestream_info_v2_t **cstr_info) {
1156         if (cstr_info) {
1157
1158                 if ((*cstr_info)->m_default_tile_info.tccp_info){
1159                         opj_free((*cstr_info)->m_default_tile_info.tccp_info);
1160                 }
1161
1162                 if ((*cstr_info)->tile_info){
1163                         /* FIXME not used for the moment*/
1164                 }
1165
1166                 opj_free((*cstr_info));
1167                 (*cstr_info) = NULL;
1168         }
1169 }
1170
1171 /*
1172  *
1173  *
1174  */
1175 opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
1176 {
1177         if (p_codec) {
1178                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
1179
1180                 return l_codec->opj_get_codec_index(l_codec->m_codec);
1181         }
1182
1183         return NULL;
1184 }
1185
1186 /*
1187  *
1188  *
1189  */
1190 void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index)
1191 {
1192         if (*p_cstr_index){
1193                 j2k_destroy_cstr_index(*p_cstr_index);
1194                 (*p_cstr_index) = NULL;
1195         }
1196 }
1197
1198 /*
1199  *
1200  *
1201  */
1202 opj_bool OPJ_CALLCONV opj_decode_v2(opj_codec_t *p_codec,
1203                                                                         opj_stream_t *p_stream,
1204                                                                         opj_image_t* p_image)
1205 {
1206         if (p_codec && p_stream) {
1207                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1208                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
1209
1210                 if (! l_codec->is_decompressor) {
1211                         return OPJ_FALSE;
1212                 }
1213
1214                 return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec,
1215                                                                                                                                 l_stream,
1216                                                                                                                                 p_image,
1217                                                                                                                                 &(l_codec->m_event_mgr) );
1218         }
1219
1220         return OPJ_FALSE;
1221 }
1222
1223 /*
1224  *
1225  *
1226  */
1227 opj_bool OPJ_CALLCONV opj_end_decompress (      opj_codec_t *p_codec,
1228                                                                                         opj_stream_t *p_stream)
1229 {
1230         if (p_codec && p_stream) {
1231                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1232                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
1233
1234                 if (! l_codec->is_decompressor) {
1235                         return OPJ_FALSE;
1236                 }
1237
1238                 return l_codec->m_codec_data.m_decompression.opj_end_decompress(l_codec->m_codec,
1239                                                                                                                                                 l_stream,
1240                                                                                                                                                 &(l_codec->m_event_mgr) );
1241         }
1242
1243         return OPJ_FALSE;
1244 }
1245
1246 /*
1247  *
1248  *
1249  */
1250 opj_bool OPJ_CALLCONV opj_get_decoded_tile(     opj_codec_t *p_codec,
1251                                                                                         opj_stream_t *p_stream,
1252                                                                                         opj_image_t *p_image,
1253                                                                                         OPJ_UINT32 tile_index)
1254 {
1255         if (p_codec && p_stream) {
1256                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1257                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
1258
1259                 if (! l_codec->is_decompressor) {
1260                         return OPJ_FALSE;
1261                 }
1262
1263                 return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile(      l_codec->m_codec,
1264                                                                                                                                                         l_stream,
1265                                                                                                                                                         p_image,
1266                                                                                                                                                         &(l_codec->m_event_mgr),
1267                                                                                                                                                         tile_index);
1268         }
1269
1270         return OPJ_FALSE;
1271 }
1272
1273 /*
1274  *
1275  *
1276  */
1277 opj_bool OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec,
1278                                                                                                                 OPJ_UINT32 res_factor )
1279 {
1280         opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1281
1282         if ( !l_codec ){
1283                 fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n");
1284                 return OPJ_FALSE;
1285         }
1286
1287         l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(l_codec->m_codec,
1288                                                                                                                                                         res_factor,
1289                                                                                                                                                         &(l_codec->m_event_mgr) );
1290         return OPJ_TRUE;
1291 }
1292
1293
1294 opj_bool OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,OPJ_FLOAT32 * pEncodingMatrix,OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp)
1295 {
1296         OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * sizeof(OPJ_FLOAT32);
1297         OPJ_UINT32 l_dc_shift_size = pNbComp * sizeof(OPJ_INT32);
1298         OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;
1299
1300         /* add MCT capability */
1301         int rsiz = (int)parameters->cp_rsiz | (int)MCT;
1302         parameters->cp_rsiz = (OPJ_RSIZ_CAPABILITIES)rsiz;
1303         parameters->irreversible = 1;
1304
1305         /* use array based MCT */
1306         parameters->tcp_mct = 2;
1307         parameters->mct_data = opj_malloc(l_mct_total_size);
1308         if (! parameters->mct_data) {
1309                 return OPJ_FALSE;
1310         }
1311
1312         memcpy(parameters->mct_data,pEncodingMatrix,l_matrix_size);
1313         memcpy(((OPJ_BYTE *) parameters->mct_data) +  l_matrix_size,p_dc_shift,l_dc_shift_size);
1314
1315         return OPJ_TRUE;
1316 }
1317
1318 /**
1319  * Writes a tile with the given data.
1320  *
1321  * @param       p_compressor            the jpeg2000 codec.
1322  * @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.
1323  * @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.
1324  * @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,
1325  *                                                              depending on the precision of the given component.
1326  * @param       p_stream                        the stream to write data to.
1327  */
1328 opj_bool OPJ_CALLCONV opj_write_tile (  opj_codec_t *p_codec,
1329                                                                                 OPJ_UINT32 p_tile_index,
1330                                                                                 OPJ_BYTE * p_data,
1331                                                                                 OPJ_UINT32 p_data_size,
1332                                                                                 opj_stream_t *p_stream )
1333 {
1334         if (p_codec && p_stream && p_data) {
1335                 opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
1336                 opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;
1337
1338                 if (l_codec->is_decompressor) {
1339                         return OPJ_FALSE;
1340                 }
1341
1342                 return l_codec->m_codec_data.m_compression.opj_write_tile(      l_codec->m_codec,
1343                                                                                                                                         p_tile_index,
1344                                                                                                                                         p_data,
1345                                                                                                                                         p_data_size,
1346                                                                                                                                         l_stream,
1347                                                                                                                                         &(l_codec->m_event_mgr) );
1348         }
1349
1350         return OPJ_FALSE;
1351 }