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         /** FIXME DOC */
  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         /** FIXME DOC */
  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_INT32 p_start_x, OPJ_INT32 p_end_x,
  78                                                                                 OPJ_INT32 p_start_y, OPJ_INT32 p_end_y,
  79                                                                                 struct opj_event_mgr * p_manager);
  80 }opj_decompression_t;
  81
  82 /**
  83  * Compression handler. FIXME DOC
  84  */
  85 typedef struct opj_compression
  86 {
  87         opj_bool (* opj_start_compress) (void *p_codec,struct opj_stream_private *cio,struct opj_image * p_image,       struct opj_event_mgr * p_manager);
  88         opj_bool (* opj_encode) (void * p_codec, struct opj_stream_private *p_cio, struct opj_event_mgr * p_manager);
  89         opj_bool (* opj_write_tile) (void * p_codec,OPJ_UINT32 p_tile_index,OPJ_BYTE * p_data,OPJ_UINT32 p_data_size,struct opj_stream_private * p_cio,struct opj_event_mgr * p_manager);
  90         opj_bool (* opj_end_compress) (void * p_codec, struct opj_stream_private *p_cio, struct opj_event_mgr * p_manager);
  91         void (* opj_destroy) (void * p_codec);
  92         void (*opj_setup_encoder) (void * p_codec,opj_cparameters_t * p_param,struct opj_image * p_image, struct opj_event_mgr * p_manager);
  93
  94 }opj_compression_t;
  95
  96 /**
  97  * Main codec handler used for compression or decompression.
  98  */
  99 typedef struct opj_codec_private
 100 {
 101         /** FIXME DOC */
 102         union {
 103                 opj_decompression_t m_decompression;
 104                 opj_compression_t m_compression;
 105     } m_codec_data;
 106     /** FIXME DOC*/
 107         void * m_codec;
 108         /** Event handler */
 109         opj_event_mgr_t* m_event_mgr;
 110         /** Flag to indicate if the codec is used to decode or encode*/
 111         opj_bool is_decompressor;
 112         opj_bool (*opj_dump_codec) (void * p_codec, OPJ_INT32 info_flag, FILE* output_stream);
 113         opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec);
 114         opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec);
 115 }
 116 opj_codec_private_t;
 117
 118
 119
 120 /* ---------------------------------------------------------------------- */
 121
 122
 123 OPJ_UINT32 opj_read_from_file (void * p_buffer, OPJ_UINT32 p_nb_bytes, FILE * p_file)
 124 {
 125         OPJ_UINT32 l_nb_read = fread(p_buffer,1,p_nb_bytes,p_file);
 126         return l_nb_read ? l_nb_read : -1;
 127 }
 128
 129 OPJ_UINT32 opj_write_from_file (void * p_buffer, OPJ_UINT32 p_nb_bytes, FILE * p_file)
 130 {
 131         return fwrite(p_buffer,1,p_nb_bytes,p_file);
 132 }
 133
 134 OPJ_SIZE_T opj_skip_from_file (OPJ_SIZE_T p_nb_bytes, FILE * p_user_data)
 135 {
 136         if (fseek(p_user_data,p_nb_bytes,SEEK_CUR)) {
 137                 return -1;
 138         }
 139
 140         return p_nb_bytes;
 141 }
 142
 143 opj_bool opj_seek_from_file (OPJ_SIZE_T p_nb_bytes, FILE * p_user_data)
 144 {
 145         if (fseek(p_user_data,p_nb_bytes,SEEK_SET)) {
 146                 return EXIT_FAILURE;
 147         }
 148
 149         return EXIT_SUCCESS;
 150 }
 151
 152 /* ---------------------------------------------------------------------- */
 153 #ifdef _WIN32
 154 #ifndef OPJ_STATIC
 155 BOOL APIENTRY
 156 DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
 157
 158         OPJ_ARG_NOT_USED(lpReserved);
 159         OPJ_ARG_NOT_USED(hModule);
 160
 161         switch (ul_reason_for_call) {
 162                 case DLL_PROCESS_ATTACH :
 163                         break;
 164                 case DLL_PROCESS_DETACH :
 165                         break;
 166                 case DLL_THREAD_ATTACH :
 167                 case DLL_THREAD_DETACH :
 168                         break;
 169     }
 170
 171     return TRUE;
 172 }
 173 #endif /* OPJ_STATIC */
 174 #endif /* _WIN32 */
 175
 176 /* ---------------------------------------------------------------------- */
 177
 178
 179 const char* OPJ_CALLCONV opj_version(void) {
 180     return PACKAGE_VERSION;
 181 }
 182
 183
 184
 185 opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format) {
 186         opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_calloc(1, sizeof(opj_dinfo_t));
 187         if(!dinfo) return NULL;
 188         dinfo->is_decompressor = OPJ_TRUE;
 189         switch(format) {
 190                 case CODEC_J2K:
 191                 case CODEC_JPT:
 192                         /* get a J2K decoder handle */
 193                         dinfo->j2k_handle = (void*)j2k_create_decompress((opj_common_ptr)dinfo);
 194                         if(!dinfo->j2k_handle) {
 195                                 opj_free(dinfo);
 196                                 return NULL;
 197                         }
 198                         break;
 199                 case CODEC_JP2:
 200                         /* get a JP2 decoder handle */
 201                         dinfo->jp2_handle = (void*)jp2_create_decompress((opj_common_ptr)dinfo);
 202                         if(!dinfo->jp2_handle) {
 203                                 opj_free(dinfo);
 204                                 return NULL;
 205                         }
 206                         break;
 207                 case CODEC_UNKNOWN:
 208                 default:
 209                         opj_free(dinfo);
 210                         return NULL;
 211         }
 212
 213         dinfo->codec_format = format;
 214
 215         return dinfo;
 216 }
 217
 218 opj_codec_t* OPJ_CALLCONV opj_create_decompress_v2(OPJ_CODEC_FORMAT p_format)
 219 {
 220         opj_codec_private_t *l_info = 00;
 221
 222         l_info = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
 223         if (!l_info){
 224                 return 00;
 225         }
 226         memset(l_info, 0, sizeof(opj_codec_private_t));
 227
 228         l_info->is_decompressor = 1;
 229
 230         switch (p_format) {
 231                 case CODEC_J2K:
 232                         l_info->opj_dump_codec = (opj_bool (*) (void*, OPJ_INT32, FILE*)) j2k_dump;
 233
 234                         l_info->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) j2k_get_cstr_info;
 235
 236                         l_info->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) j2k_get_cstr_index;
 237
 238                         l_info->m_codec_data.m_decompression.opj_decode =
 239                                         (opj_bool (*) ( void *,
 240                                                                         struct opj_stream_private *,
 241                                                                         opj_image_t*, struct opj_event_mgr * )) j2k_decode_v2;
 242
 243                         l_info->m_codec_data.m_decompression.opj_end_decompress =
 244                                         (opj_bool (*) ( void *,
 245                                                                         struct opj_stream_private *,
 246                                                                         struct opj_event_mgr *)) j2k_end_decompress;
 247
 248                         l_info->m_codec_data.m_decompression.opj_read_header =
 249                                         (opj_bool (*) ( struct opj_stream_private *,
 250                                                                         void *,
 251                                                                         opj_image_t *,
 252                                                                         struct opj_event_mgr * )) j2k_read_header;
 253
 254                         l_info->m_codec_data.m_decompression.opj_destroy =
 255                                         (void (*) (void *))j2k_destroy;
 256
 257                         l_info->m_codec_data.m_decompression.opj_setup_decoder =
 258                                         (void (*) (void * , opj_dparameters_t * )) j2k_setup_decoder_v2;
 259
 260                         l_info->m_codec_data.m_decompression.opj_read_tile_header =
 261                                         (opj_bool (*) ( void *,
 262                                                                         OPJ_UINT32*,
 263                                                                         OPJ_UINT32*,
 264                                                                         OPJ_INT32*, OPJ_INT32*,
 265                                                                         OPJ_INT32*, OPJ_INT32*,
 266                                                                         OPJ_UINT32*,
 267                                                                         opj_bool*,
 268                                                                         struct opj_stream_private *,
 269                                                                         struct opj_event_mgr * )) j2k_read_tile_header;
 270
 271                         l_info->m_codec_data.m_decompression.opj_decode_tile_data =
 272                                         (opj_bool (*) (void *, OPJ_UINT32, OPJ_BYTE*, OPJ_UINT32, struct opj_stream_private *, struct opj_event_mgr *)) j2k_decode_tile;
 273
 274                         l_info->m_codec_data.m_decompression.opj_set_decode_area =
 275                                         (opj_bool (*) (void *, OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32, struct opj_event_mgr *)) j2k_set_decode_area;
 276
 277                         l_info->m_codec = j2k_create_decompress_v2();
 278
 279                         if (! l_info->m_codec) {
 280                                 opj_free(l_info);
 281                                 return NULL;
 282                         }
 283
 284                         break;
 285
 286                 case CODEC_JP2:
 287                         /* get a JP2 decoder handle */
 288                         l_info->m_codec_data.m_decompression.opj_decode =
 289                                         (opj_bool (*) ( void *,
 290                                                                         struct opj_stream_private *,
 291                                                                         opj_image_t*,
 292                                                                         struct opj_event_mgr * )) opj_jp2_decode_v2;
 293
 294                         l_info->m_codec_data.m_decompression.opj_end_decompress =  (opj_bool (*) (void *,struct opj_stream_private *,struct opj_event_mgr *)) jp2_end_decompress;
 295
 296                         l_info->m_codec_data.m_decompression.opj_read_header =  (opj_bool (*) (
 297                                         struct opj_stream_private *,
 298                                         void *,
 299                                         opj_image_t *,
 300                                         struct opj_event_mgr * )) jp2_read_header;
 301
 302                         l_info->m_codec_data.m_decompression.opj_read_tile_header = ( opj_bool (*) (
 303                                         void *,
 304                                         OPJ_UINT32*,
 305                                         OPJ_UINT32*,
 306                                         OPJ_INT32*,
 307                                         OPJ_INT32*,
 308                                         OPJ_INT32 * ,
 309                                         OPJ_INT32 * ,
 310                                         OPJ_UINT32 * ,
 311                                         opj_bool *,
 312                                         struct opj_stream_private *,
 313                                         struct opj_event_mgr * )) jp2_read_tile_header;
 314
 315                         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 * )) opj_jp2_decode_tile;
 316
 317                         l_info->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))jp2_destroy;
 318
 319                         l_info->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * ,opj_dparameters_t * )) jp2_setup_decoder_v2;
 320
 321                         l_info->m_codec_data.m_decompression.opj_set_decode_area = (opj_bool (*) (void *,OPJ_INT32,OPJ_INT32,OPJ_INT32,OPJ_INT32, struct opj_event_mgr * )) jp2_set_decode_area;
 322
 323                         l_info->m_codec = jp2_create(OPJ_TRUE);
 324
 325                         if (! l_info->m_codec) {
 326                                 opj_free(l_info);
 327                                 return 00;
 328                         }
 329
 330                         break;
 331                 case CODEC_UNKNOWN:
 332                 case CODEC_JPT:
 333                 default:
 334                         opj_free(l_info);
 335                         return 00;
 336         }
 337
 338         // FIXME set_default_event_handler(&(l_info->m_event_mgr));
 339         return (opj_codec_t*) l_info;
 340 }
 341
 342
 343 void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo) {
 344         if(dinfo) {
 345                 /* destroy the codec */
 346                 switch(dinfo->codec_format) {
 347                         case CODEC_J2K:
 348                         case CODEC_JPT:
 349                                 j2k_destroy_decompress((opj_j2k_t*)dinfo->j2k_handle);
 350                                 break;
 351                         case CODEC_JP2:
 352                                 jp2_destroy_decompress((opj_jp2_t*)dinfo->jp2_handle);
 353                                 break;
 354                         case CODEC_UNKNOWN:
 355                         default:
 356                                 break;
 357                 }
 358                 /* destroy the decompressor */
 359                 opj_free(dinfo);
 360         }
 361 }
 362
 363 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
 364         if(parameters) {
 365                 memset(parameters, 0, sizeof(opj_dparameters_t));
 366                 /* default decoding parameters */
 367                 parameters->cp_layer = 0;
 368                 parameters->cp_reduce = 0;
 369                 parameters->cp_limit_decoding = NO_LIMITATION;
 370
 371                 parameters->decod_format = -1;
 372                 parameters->cod_format = -1;
 373 /* UniPG>> */
 374 #ifdef USE_JPWL
 375                 parameters->jpwl_correct = OPJ_FALSE;
 376                 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
 377                 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
 378 #endif /* USE_JPWL */
 379 /* <<UniPG */
 380         }
 381 }
 382
 383 void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
 384         if(dinfo && parameters) {
 385                 switch(dinfo->codec_format) {
 386                         case CODEC_J2K:
 387                         case CODEC_JPT:
 388                                 j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);
 389                                 break;
 390                         case CODEC_JP2:
 391                                 jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);
 392                                 break;
 393                         case CODEC_UNKNOWN:
 394                         default:
 395                                 break;
 396                 }
 397         }
 398 }
 399
 400 opj_bool OPJ_CALLCONV opj_setup_decoder_v2(opj_codec_t *p_info, opj_dparameters_t *parameters, opj_event_mgr_t* event_mgr)
 401 {
 402         opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
 403
 404         if ( !p_info || !parameters || !event_mgr ){
 405                 fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n");
 406                 return OPJ_FALSE;
 407         }
 408
 409         if ( !event_mgr->error_handler || !event_mgr->warning_handler || !event_mgr->error_handler){
 410                 fprintf(stderr, "[ERROR] Event handler provided to the setup_decoder function is not valid.\n");
 411                 return OPJ_FALSE;
 412         }
 413
 414         if (! l_info->is_decompressor) {
 415                 opj_event_msg_v2(event_mgr, EVT_ERROR, "Codec provided to the setup_decoder function is not a decompressor handler.\n");
 416                 return OPJ_FALSE;
 417         }
 418
 419         l_info->m_codec_data.m_decompression.opj_setup_decoder(l_info->m_codec, parameters);
 420
 421         l_info->m_event_mgr = event_mgr;
 422
 423         return OPJ_TRUE;
 424 }
 425
 426 opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
 427         return opj_decode_with_info(dinfo, cio, NULL);
 428 }
 429
 430 opj_image_t* OPJ_CALLCONV opj_decode_with_info(opj_dinfo_t *dinfo, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
 431         if(dinfo && cio) {
 432                 switch(dinfo->codec_format) {
 433                         case CODEC_J2K:
 434                                 return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 435                         case CODEC_JPT:
 436                                 return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 437                         case CODEC_JP2:
 438                                 return opj_jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio, cstr_info);
 439                         case CODEC_UNKNOWN:
 440                         default:
 441                                 break;
 442                 }
 443         }
 444         return NULL;
 445 }
 446
 447 opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) {
 448         opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_calloc(1, sizeof(opj_cinfo_t));
 449         if(!cinfo) return NULL;
 450         cinfo->is_decompressor = OPJ_FALSE;
 451         switch(format) {
 452                 case CODEC_J2K:
 453                         /* get a J2K coder handle */
 454                         cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);
 455                         if(!cinfo->j2k_handle) {
 456                                 opj_free(cinfo);
 457                                 return NULL;
 458                         }
 459                         break;
 460                 case CODEC_JP2:
 461                         /* get a JP2 coder handle */
 462                         cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);
 463                         if(!cinfo->jp2_handle) {
 464                                 opj_free(cinfo);
 465                                 return NULL;
 466                         }
 467                         break;
 468                 case CODEC_JPT:
 469                 case CODEC_UNKNOWN:
 470                 default:
 471                         opj_free(cinfo);
 472                         return NULL;
 473         }
 474
 475         cinfo->codec_format = format;
 476
 477         return cinfo;
 478 }
 479
 480 void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) {
 481         if(cinfo) {
 482                 /* destroy the codec */
 483                 switch(cinfo->codec_format) {
 484                         case CODEC_J2K:
 485                                 j2k_destroy_compress((opj_j2k_t*)cinfo->j2k_handle);
 486                                 break;
 487                         case CODEC_JP2:
 488                                 jp2_destroy_compress((opj_jp2_t*)cinfo->jp2_handle);
 489                                 break;
 490                         case CODEC_JPT:
 491                         case CODEC_UNKNOWN:
 492                         default:
 493                                 break;
 494                 }
 495                 /* destroy the decompressor */
 496                 opj_free(cinfo);
 497         }
 498 }
 499
 500 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
 501         if(parameters) {
 502                 memset(parameters, 0, sizeof(opj_cparameters_t));
 503                 /* default coding parameters */
 504                 parameters->cp_cinema = OFF;
 505                 parameters->max_comp_size = 0;
 506                 parameters->numresolution = 6;
 507                 parameters->cp_rsiz = STD_RSIZ;
 508                 parameters->cblockw_init = 64;
 509                 parameters->cblockh_init = 64;
 510                 parameters->prog_order = LRCP;
 511                 parameters->roi_compno = -1;            /* no ROI */
 512                 parameters->subsampling_dx = 1;
 513                 parameters->subsampling_dy = 1;
 514                 parameters->tp_on = 0;
 515                 parameters->decod_format = -1;
 516                 parameters->cod_format = -1;
 517                 parameters->tcp_rates[0] = 0;
 518                 parameters->tcp_numlayers = 0;
 519                 parameters->cp_disto_alloc = 0;
 520                 parameters->cp_fixed_alloc = 0;
 521                 parameters->cp_fixed_quality = 0;
 522                 parameters->jpip_on = OPJ_FALSE;
 523 /* UniPG>> */
 524 #ifdef USE_JPWL
 525                 parameters->jpwl_epc_on = OPJ_FALSE;
 526                 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
 527                 {
 528                         int i;
 529                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 530                                 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
 531                                 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
 532                         }
 533                 };
 534                 {
 535                         int i;
 536                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
 537                                 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
 538                                 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
 539                                 parameters->jpwl_pprot[i] = 0; /* absent */
 540                         }
 541                 };
 542                 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
 543                 parameters->jpwl_sens_addr = 0; /* 0 means auto */
 544                 parameters->jpwl_sens_range = 0; /* 0 means packet */
 545                 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
 546                 {
 547                         int i;
 548                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 549                                 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
 550                                 parameters->jpwl_sens_TPH[i] = -1; /* absent */
 551                         }
 552                 };
 553 #endif /* USE_JPWL */
 554 /* <<UniPG */
 555         }
 556 }
 557
 558 /**
 559  * Helper function.
 560  * Sets the stream to be a file stream. The FILE must have been open previously.
 561  * @param               p_stream        the stream to modify
 562  * @param               p_file          handler to an already open file.
 563 */
 564 opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (FILE * p_file, opj_bool p_is_read_stream)
 565 {
 566         return opj_stream_create_file_stream(p_file,J2K_STREAM_CHUNK_SIZE,p_is_read_stream);
 567 }
 568
 569 opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream (FILE * p_file, OPJ_UINT32 p_size, opj_bool p_is_read_stream)
 570 {
 571         opj_stream_t* l_stream = 00;
 572
 573         if (! p_file) {
 574                 return NULL;
 575         }
 576
 577         l_stream = opj_stream_create(p_size,p_is_read_stream);
 578         if (! l_stream) {
 579                 return NULL;
 580         }
 581
 582         opj_stream_set_user_data(l_stream, p_file);
 583         opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file);
 584         opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_file);
 585         opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file);
 586         opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file);
 587
 588         return l_stream;
 589 }
 590
 591 void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {
 592         if(cinfo && parameters && image) {
 593                 switch(cinfo->codec_format) {
 594                         case CODEC_J2K:
 595                                 j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);
 596                                 break;
 597                         case CODEC_JP2:
 598                                 jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);
 599                                 break;
 600                         case CODEC_JPT:
 601                         case CODEC_UNKNOWN:
 602                         default:
 603                                 break;
 604                 }
 605         }
 606 }
 607
 608 opj_bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
 609         if (index != NULL)
 610                 opj_event_msg((opj_common_ptr)cinfo, EVT_WARNING, "Set index to NULL when calling the opj_encode function.\n"
 611                 "To extract the index, use the opj_encode_with_info() function.\n"
 612                 "No index will be generated during this encoding\n");
 613         return opj_encode_with_info(cinfo, cio, image, NULL);
 614 }
 615
 616 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) {
 617         if(cinfo && cio && image) {
 618                 switch(cinfo->codec_format) {
 619                         case CODEC_J2K:
 620                                 return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, cstr_info);
 621                         case CODEC_JP2:
 622                                 return opj_jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, cstr_info);
 623                         case CODEC_JPT:
 624                         case CODEC_UNKNOWN:
 625                         default:
 626                                 break;
 627                 }
 628         }
 629         return OPJ_FALSE;
 630 }
 631
 632 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) {
 633         if (cstr_info) {
 634                 int tileno;
 635                 for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
 636                         opj_tile_info_t *tile_info = &cstr_info->tile[tileno];
 637                         opj_free(tile_info->thresh);
 638                         opj_free(tile_info->packet);
 639                         opj_free(tile_info->tp);
 640                         opj_free(tile_info->marker);
 641                 }
 642                 opj_free(cstr_info->tile);
 643                 opj_free(cstr_info->marker);
 644                 opj_free(cstr_info->numdecompos);
 645         }
 646 }
 647
 648 void OPJ_CALLCONV opj_destroy_cstr_info_v2(opj_codestream_info_v2_t *cstr_info) {
 649         if (cstr_info) {
 650                 int tileno, compno;
 651
 652                 if (cstr_info->tile_info){
 653                         for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
 654                                 for (compno = 0; compno < cstr_info->nbcomps; compno++){
 655                                         opj_free(cstr_info->tile_info[tileno].tccp_info);
 656                                 }
 657                         }
 658                         opj_free(cstr_info->tile_info);
 659                 }
 660
 661                 if (cstr_info->m_default_tile_info.tccp_info){
 662                         opj_free(cstr_info->m_default_tile_info.tccp_info);
 663                 }
 664
 665                 opj_free(cstr_info);
 666         }
 667 }
 668
 669
 670
 671 #ifdef OLD_WAY_MS
 672 opj_bool OPJ_CALLCONV opj_read_header (
 673                                                                    opj_codec_t *p_codec,
 674                                                                    opj_image_t ** p_image,
 675                                                                    OPJ_INT32 * p_tile_x0,
 676                                                                    OPJ_INT32 * p_tile_y0,
 677                                                                    OPJ_UINT32 * p_tile_width,
 678                                                                    OPJ_UINT32 * p_tile_height,
 679                                                                    OPJ_UINT32 * p_nb_tiles_x,
 680                                                                    OPJ_UINT32 * p_nb_tiles_y,
 681                                                                    opj_stream_t *p_cio)
 682 {
 683         if (p_codec && p_cio) {
 684                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 685                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_cio;
 686
 687                 if(! l_info->is_decompressor) {
 688                         return OPJ_FALSE;
 689                 }
 690
 691                 return l_info->m_codec_data.m_decompression.opj_read_header(
 692                         l_info->m_codec,
 693                         p_image,
 694                         p_tile_x0,
 695                         p_tile_y0,
 696                         p_tile_width,
 697                         p_tile_height,
 698                         p_nb_tiles_x,
 699                         p_nb_tiles_y,
 700                         l_cio,
 701                         l_info->m_event_mgr); //&(l_info->m_event_mgr));
 702         }
 703         return OPJ_FALSE;
 704 }
 705 #endif
 706
 707 opj_bool OPJ_CALLCONV opj_read_header ( opj_stream_t *p_cio,
 708                                                                                 opj_codec_t *p_codec,
 709                                                                                 opj_image_t *p_image )
 710 {
 711         if (p_codec && p_cio) {
 712                 opj_codec_private_t* l_info = (opj_codec_private_t*) p_codec;
 713                 opj_stream_private_t* l_cio = (opj_stream_private_t*) p_cio;
 714
 715                 if(! l_info->is_decompressor) {
 716                         opj_event_msg_v2(l_info->m_event_mgr, EVT_ERROR, "Codec provided to the read_header function is not a decompressor handler.\n");
 717                         return OPJ_FALSE;
 718                 }
 719
 720                 return l_info->m_codec_data.m_decompression.opj_read_header(
 721                                         l_cio,
 722                                         l_info->m_codec,
 723                                         p_image,
 724                                         l_info->m_event_mgr);
 725         }
 726
 727         fprintf(stderr, "[ERROR] Input parameters of the read_header function are incorrect.\n");
 728         return OPJ_FALSE;
 729 }
 730
 731
 732 void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_info)
 733 {
 734         if (p_info) {
 735                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
 736
 737                 if (l_info->is_decompressor) {
 738                         l_info->m_codec_data.m_decompression.opj_destroy(l_info->m_codec);
 739                 }
 740                 else {
 741                         l_info->m_codec_data.m_compression.opj_destroy(l_info->m_codec);
 742                 }
 743
 744                 l_info->m_codec = 00;
 745                 opj_free(l_info);
 746         }
 747 }
 748
 749 /**
 750  * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
 751  *
 752  * @param       p_codec                 the jpeg2000 codec.
 753  * @param       p_start_x               the left position of the rectangle to decode (in image coordinates).
 754  * @param       p_end_x                 the right position of the rectangle to decode (in image coordinates).
 755  * @param       p_start_y               the up position of the rectangle to decode (in image coordinates).
 756  * @param       p_end_y                 the bottom position of the rectangle to decode (in image coordinates).
 757  *
 758  * @return      true                    if the area could be set.
 759  */
 760 opj_bool OPJ_CALLCONV opj_set_decode_area(      opj_codec_t *p_codec,
 761                                                                                         OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
 762                                                                                         OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
 763                                                                                         )
 764 {
 765         if (p_codec) {
 766                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 767                 if (! l_info->is_decompressor) {
 768                         return OPJ_FALSE;
 769                 }
 770
 771                 return  l_info->m_codec_data.m_decompression.opj_set_decode_area(
 772                                 l_info->m_codec,
 773                                 p_start_x,
 774                                 p_start_y,
 775                                 p_end_x,
 776                                 p_end_y,
 777                                 l_info->m_event_mgr);
 778
 779         }
 780         return OPJ_FALSE;
 781 }
 782
 783 /**
 784  * Reads a tile header. This function is compulsory and allows one to know the size of the tile thta will be decoded.
 785  * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
 786  *
 787  * @param       p_codec                 the jpeg2000 codec.
 788  * @param       p_tile_index    pointer to a value that will hold the index of the tile being decoded, in case of success.
 789  * @param       p_data_size             pointer to a value that will hold the maximum size of the decoded data, in case of success. In case
 790  *                                                      of truncated codestreams, the actual number of bytes decoded may be lower. The computation of the size is the same
 791  *                                                      as depicted in opj_write_tile.
 792  * @param       p_tile_x0               pointer to a value that will hold the x0 pos of the tile (in the image).
 793  * @param       p_tile_y0               pointer to a value that will hold the y0 pos of the tile (in the image).
 794  * @param       p_tile_x1               pointer to a value that will hold the x1 pos of the tile (in the image).
 795  * @param       p_tile_y1               pointer to a value that will hold the y1 pos of the tile (in the image).
 796  * @param       p_nb_comps              pointer to a value that will hold the number of components in the tile.
 797  * @param       p_should_go_on  pointer to a boolean that will hold the fact that the decoding should go on. In case the
 798  *                                                      codestream is over at the time of the call, the value will be set to false. The user should then stop
 799  *                                                      the decoding.
 800  * @param       p_stream                the stream to decode.
 801  * @return      true                    if the tile header could be decoded. In case the decoding should end, the returned value is still true.
 802  *                                                      returning false may be the result of a shortage of memory or an internal error.
 803  */
 804 opj_bool OPJ_CALLCONV opj_read_tile_header(
 805                                         opj_codec_t *p_codec,
 806                                         opj_stream_t * p_stream,
 807                                         OPJ_UINT32 * p_tile_index,
 808                                         OPJ_UINT32 * p_data_size,
 809                                         OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
 810                                         OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
 811                                         OPJ_UINT32 * p_nb_comps,
 812                                         opj_bool * p_should_go_on)
 813 {
 814         if (p_codec && p_stream && p_data_size && p_tile_index) {
 815                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 816                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_stream;
 817
 818                 if (! l_info->is_decompressor) {
 819                         return OPJ_FALSE;
 820                 }
 821
 822                 return l_info->m_codec_data.m_decompression.opj_read_tile_header(
 823                         l_info->m_codec,
 824                         p_tile_index,
 825                         p_data_size,
 826                         p_tile_x0, p_tile_y0,
 827                         p_tile_x1, p_tile_y1,
 828                         p_nb_comps,
 829                         p_should_go_on,
 830                         l_cio,
 831                         l_info->m_event_mgr);
 832         }
 833         return OPJ_FALSE;
 834 }
 835
 836 /**
 837  * Reads a tile data. This function is compulsory and allows one to decode tile data. opj_read_tile_header should be called before.
 838  * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
 839  *
 840  * @param       p_codec                 the jpeg2000 codec.
 841  * @param       p_tile_index    the index of the tile being decoded, this should be the value set by opj_read_tile_header.
 842  * @param       p_data                  pointer to a memory block that will hold the decoded data.
 843  * @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.
 844  * @param       p_stream                the stream to decode.
 845  *
 846  * @return      true                    if the data could be decoded.
 847  */
 848 opj_bool OPJ_CALLCONV opj_decode_tile_data(
 849                                         opj_codec_t *p_codec,
 850                                         OPJ_UINT32 p_tile_index,
 851                                         OPJ_BYTE * p_data,
 852                                         OPJ_UINT32 p_data_size,
 853                                         opj_stream_t *p_stream
 854                                         )
 855 {
 856         if (p_codec && p_data && p_stream) {
 857                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 858                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_stream;
 859
 860                 if (! l_info->is_decompressor) {
 861                         return OPJ_FALSE;
 862                 }
 863
 864                 return l_info->m_codec_data.m_decompression.opj_decode_tile_data(       l_info->m_codec,
 865                                                                                                                                                         p_tile_index,
 866                                                                                                                                                         p_data,
 867                                                                                                                                                         p_data_size,
 868                                                                                                                                                         l_cio,
 869                                                                                                                                                         l_info->m_event_mgr);
 870         }
 871         return OPJ_FALSE;
 872 }
 873
 874 /*
 875  *
 876  *
 877  */
 878 void OPJ_CALLCONV opj_dump_codec(       opj_codec_t *p_codec,
 879                                                                         OPJ_INT32 info_flag,
 880                                                                         FILE* output_stream)
 881 {
 882         if (p_codec) {
 883                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 884
 885                 l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
 886                 return;
 887         }
 888
 889         fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n");
 890         return;
 891 }
 892
 893 /*
 894  *
 895  *
 896  */
 897 opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
 898 {
 899         if (p_codec) {
 900                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 901
 902                 return l_codec->opj_get_codec_info(l_codec->m_codec);
 903         }
 904
 905         return NULL;
 906 }
 907
 908 /*
 909  *
 910  *
 911  */
 912 opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
 913 {
 914         if (p_codec) {
 915                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 916
 917                 return l_codec->opj_get_codec_index(l_codec->m_codec);
 918         }
 919
 920         return NULL;
 921 }
 922
 923 opj_bool OPJ_CALLCONV opj_decode_v2(opj_codec_t *p_info,
 924                                                                         opj_stream_t *cio,
 925                                                                         opj_image_t* p_image)
 926 {
 927         if (p_info && cio) {
 928                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
 929                 opj_stream_private_t * l_cio = (opj_stream_private_t *) cio;
 930
 931                 if (! l_info->is_decompressor) {
 932                         return OPJ_FALSE;
 933                 }
 934
 935                 return l_info->m_codec_data.m_decompression.opj_decode( l_info->m_codec,
 936                                                                                                                                 l_cio,
 937                                                                                                                                 p_image,
 938                                                                                                                                 l_info->m_event_mgr);
 939         }
 940
 941         return OPJ_FALSE;
 942 }
 943
 944 opj_bool OPJ_CALLCONV opj_end_decompress (opj_codec_t *p_codec,opj_stream_t *p_cio)
 945 {
 946         if (p_codec && p_cio) {
 947                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 948                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_cio;
 949
 950                 if (! l_info->is_decompressor) {
 951                         return OPJ_FALSE;
 952                 }
 953                 return l_info->m_codec_data.m_decompression.opj_end_decompress( l_info->m_codec,
 954                                                                                                                                                 l_cio,
 955                                                                                                                                                 l_info->m_event_mgr);
 956         }
 957
 958         return OPJ_FALSE;
 959 }