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         void (*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 = (void (*) (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->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) jp2_dump;
 289
 290                         l_info->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) jp2_get_cstr_info;
 291
 292                         l_info->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) jp2_get_cstr_index;
 293
 294                         l_info->m_codec_data.m_decompression.opj_decode =
 295                                         (opj_bool (*) ( void *,
 296                                                                         struct opj_stream_private *,
 297                                                                         opj_image_t*,
 298                                                                         struct opj_event_mgr * )) opj_jp2_decode_v2;
 299
 300                         l_info->m_codec_data.m_decompression.opj_end_decompress =  (opj_bool (*) (void *,struct opj_stream_private *,struct opj_event_mgr *)) jp2_end_decompress;
 301
 302                         l_info->m_codec_data.m_decompression.opj_read_header =  (opj_bool (*) (
 303                                         struct opj_stream_private *,
 304                                         void *,
 305                                         opj_image_t *,
 306                                         struct opj_event_mgr * )) jp2_read_header;
 307
 308                         l_info->m_codec_data.m_decompression.opj_read_tile_header = ( opj_bool (*) (
 309                                         void *,
 310                                         OPJ_UINT32*,
 311                                         OPJ_UINT32*,
 312                                         OPJ_INT32*,
 313                                         OPJ_INT32*,
 314                                         OPJ_INT32 * ,
 315                                         OPJ_INT32 * ,
 316                                         OPJ_UINT32 * ,
 317                                         opj_bool *,
 318                                         struct opj_stream_private *,
 319                                         struct opj_event_mgr * )) jp2_read_tile_header;
 320
 321                         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;
 322
 323                         l_info->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))jp2_destroy;
 324
 325                         l_info->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * ,opj_dparameters_t * )) jp2_setup_decoder_v2;
 326
 327                         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;
 328
 329                         l_info->m_codec = jp2_create(OPJ_TRUE);
 330
 331                         if (! l_info->m_codec) {
 332                                 opj_free(l_info);
 333                                 return 00;
 334                         }
 335
 336                         break;
 337                 case CODEC_UNKNOWN:
 338                 case CODEC_JPT:
 339                 default:
 340                         opj_free(l_info);
 341                         return 00;
 342         }
 343
 344         // FIXME set_default_event_handler(&(l_info->m_event_mgr));
 345         return (opj_codec_t*) l_info;
 346 }
 347
 348
 349 void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo) {
 350         if(dinfo) {
 351                 /* destroy the codec */
 352                 switch(dinfo->codec_format) {
 353                         case CODEC_J2K:
 354                         case CODEC_JPT:
 355                                 j2k_destroy_decompress((opj_j2k_t*)dinfo->j2k_handle);
 356                                 break;
 357                         case CODEC_JP2:
 358                                 jp2_destroy_decompress((opj_jp2_t*)dinfo->jp2_handle);
 359                                 break;
 360                         case CODEC_UNKNOWN:
 361                         default:
 362                                 break;
 363                 }
 364                 /* destroy the decompressor */
 365                 opj_free(dinfo);
 366         }
 367 }
 368
 369 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
 370         if(parameters) {
 371                 memset(parameters, 0, sizeof(opj_dparameters_t));
 372                 /* default decoding parameters */
 373                 parameters->cp_layer = 0;
 374                 parameters->cp_reduce = 0;
 375                 parameters->cp_limit_decoding = NO_LIMITATION;
 376
 377                 parameters->decod_format = -1;
 378                 parameters->cod_format = -1;
 379 /* UniPG>> */
 380 #ifdef USE_JPWL
 381                 parameters->jpwl_correct = OPJ_FALSE;
 382                 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
 383                 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
 384 #endif /* USE_JPWL */
 385 /* <<UniPG */
 386         }
 387 }
 388
 389 void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
 390         if(dinfo && parameters) {
 391                 switch(dinfo->codec_format) {
 392                         case CODEC_J2K:
 393                         case CODEC_JPT:
 394                                 j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);
 395                                 break;
 396                         case CODEC_JP2:
 397                                 jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);
 398                                 break;
 399                         case CODEC_UNKNOWN:
 400                         default:
 401                                 break;
 402                 }
 403         }
 404 }
 405
 406 opj_bool OPJ_CALLCONV opj_setup_decoder_v2(opj_codec_t *p_info, opj_dparameters_t *parameters, opj_event_mgr_t* event_mgr)
 407 {
 408         opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
 409
 410         if ( !p_info || !parameters || !event_mgr ){
 411                 fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n");
 412                 return OPJ_FALSE;
 413         }
 414
 415         if ( !event_mgr->error_handler || !event_mgr->warning_handler || !event_mgr->error_handler){
 416                 fprintf(stderr, "[ERROR] Event handler provided to the setup_decoder function is not valid.\n");
 417                 return OPJ_FALSE;
 418         }
 419
 420         if (! l_info->is_decompressor) {
 421                 opj_event_msg_v2(event_mgr, EVT_ERROR, "Codec provided to the setup_decoder function is not a decompressor handler.\n");
 422                 return OPJ_FALSE;
 423         }
 424
 425         l_info->m_codec_data.m_decompression.opj_setup_decoder(l_info->m_codec, parameters);
 426
 427         l_info->m_event_mgr = event_mgr;
 428
 429         return OPJ_TRUE;
 430 }
 431
 432 opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
 433         return opj_decode_with_info(dinfo, cio, NULL);
 434 }
 435
 436 opj_image_t* OPJ_CALLCONV opj_decode_with_info(opj_dinfo_t *dinfo, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
 437         if(dinfo && cio) {
 438                 switch(dinfo->codec_format) {
 439                         case CODEC_J2K:
 440                                 return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 441                         case CODEC_JPT:
 442                                 return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 443                         case CODEC_JP2:
 444                                 return opj_jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio, cstr_info);
 445                         case CODEC_UNKNOWN:
 446                         default:
 447                                 break;
 448                 }
 449         }
 450         return NULL;
 451 }
 452
 453 opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) {
 454         opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_calloc(1, sizeof(opj_cinfo_t));
 455         if(!cinfo) return NULL;
 456         cinfo->is_decompressor = OPJ_FALSE;
 457         switch(format) {
 458                 case CODEC_J2K:
 459                         /* get a J2K coder handle */
 460                         cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);
 461                         if(!cinfo->j2k_handle) {
 462                                 opj_free(cinfo);
 463                                 return NULL;
 464                         }
 465                         break;
 466                 case CODEC_JP2:
 467                         /* get a JP2 coder handle */
 468                         cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);
 469                         if(!cinfo->jp2_handle) {
 470                                 opj_free(cinfo);
 471                                 return NULL;
 472                         }
 473                         break;
 474                 case CODEC_JPT:
 475                 case CODEC_UNKNOWN:
 476                 default:
 477                         opj_free(cinfo);
 478                         return NULL;
 479         }
 480
 481         cinfo->codec_format = format;
 482
 483         return cinfo;
 484 }
 485
 486 void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) {
 487         if(cinfo) {
 488                 /* destroy the codec */
 489                 switch(cinfo->codec_format) {
 490                         case CODEC_J2K:
 491                                 j2k_destroy_compress((opj_j2k_t*)cinfo->j2k_handle);
 492                                 break;
 493                         case CODEC_JP2:
 494                                 jp2_destroy_compress((opj_jp2_t*)cinfo->jp2_handle);
 495                                 break;
 496                         case CODEC_JPT:
 497                         case CODEC_UNKNOWN:
 498                         default:
 499                                 break;
 500                 }
 501                 /* destroy the decompressor */
 502                 opj_free(cinfo);
 503         }
 504 }
 505
 506 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
 507         if(parameters) {
 508                 memset(parameters, 0, sizeof(opj_cparameters_t));
 509                 /* default coding parameters */
 510                 parameters->cp_cinema = OFF;
 511                 parameters->max_comp_size = 0;
 512                 parameters->numresolution = 6;
 513                 parameters->cp_rsiz = STD_RSIZ;
 514                 parameters->cblockw_init = 64;
 515                 parameters->cblockh_init = 64;
 516                 parameters->prog_order = LRCP;
 517                 parameters->roi_compno = -1;            /* no ROI */
 518                 parameters->subsampling_dx = 1;
 519                 parameters->subsampling_dy = 1;
 520                 parameters->tp_on = 0;
 521                 parameters->decod_format = -1;
 522                 parameters->cod_format = -1;
 523                 parameters->tcp_rates[0] = 0;
 524                 parameters->tcp_numlayers = 0;
 525                 parameters->cp_disto_alloc = 0;
 526                 parameters->cp_fixed_alloc = 0;
 527                 parameters->cp_fixed_quality = 0;
 528                 parameters->jpip_on = OPJ_FALSE;
 529 /* UniPG>> */
 530 #ifdef USE_JPWL
 531                 parameters->jpwl_epc_on = OPJ_FALSE;
 532                 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
 533                 {
 534                         int i;
 535                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 536                                 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
 537                                 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
 538                         }
 539                 };
 540                 {
 541                         int i;
 542                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
 543                                 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
 544                                 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
 545                                 parameters->jpwl_pprot[i] = 0; /* absent */
 546                         }
 547                 };
 548                 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
 549                 parameters->jpwl_sens_addr = 0; /* 0 means auto */
 550                 parameters->jpwl_sens_range = 0; /* 0 means packet */
 551                 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
 552                 {
 553                         int i;
 554                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 555                                 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
 556                                 parameters->jpwl_sens_TPH[i] = -1; /* absent */
 557                         }
 558                 };
 559 #endif /* USE_JPWL */
 560 /* <<UniPG */
 561         }
 562 }
 563
 564 /**
 565  * Helper function.
 566  * Sets the stream to be a file stream. The FILE must have been open previously.
 567  * @param               p_stream        the stream to modify
 568  * @param               p_file          handler to an already open file.
 569 */
 570 opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (FILE * p_file, opj_bool p_is_read_stream)
 571 {
 572         return opj_stream_create_file_stream(p_file,J2K_STREAM_CHUNK_SIZE,p_is_read_stream);
 573 }
 574
 575 opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream (FILE * p_file, OPJ_UINT32 p_size, opj_bool p_is_read_stream)
 576 {
 577         opj_stream_t* l_stream = 00;
 578
 579         if (! p_file) {
 580                 return NULL;
 581         }
 582
 583         l_stream = opj_stream_create(p_size,p_is_read_stream);
 584         if (! l_stream) {
 585                 return NULL;
 586         }
 587
 588         opj_stream_set_user_data(l_stream, p_file);
 589         opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file);
 590         opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_file);
 591         opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file);
 592         opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file);
 593
 594         return l_stream;
 595 }
 596
 597 void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {
 598         if(cinfo && parameters && image) {
 599                 switch(cinfo->codec_format) {
 600                         case CODEC_J2K:
 601                                 j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);
 602                                 break;
 603                         case CODEC_JP2:
 604                                 jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);
 605                                 break;
 606                         case CODEC_JPT:
 607                         case CODEC_UNKNOWN:
 608                         default:
 609                                 break;
 610                 }
 611         }
 612 }
 613
 614 opj_bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
 615         if (index != NULL)
 616                 opj_event_msg((opj_common_ptr)cinfo, EVT_WARNING, "Set index to NULL when calling the opj_encode function.\n"
 617                 "To extract the index, use the opj_encode_with_info() function.\n"
 618                 "No index will be generated during this encoding\n");
 619         return opj_encode_with_info(cinfo, cio, image, NULL);
 620 }
 621
 622 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) {
 623         if(cinfo && cio && image) {
 624                 switch(cinfo->codec_format) {
 625                         case CODEC_J2K:
 626                                 return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, cstr_info);
 627                         case CODEC_JP2:
 628                                 return opj_jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, cstr_info);
 629                         case CODEC_JPT:
 630                         case CODEC_UNKNOWN:
 631                         default:
 632                                 break;
 633                 }
 634         }
 635         return OPJ_FALSE;
 636 }
 637
 638 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) {
 639         if (cstr_info) {
 640                 int tileno;
 641                 for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
 642                         opj_tile_info_t *tile_info = &cstr_info->tile[tileno];
 643                         opj_free(tile_info->thresh);
 644                         opj_free(tile_info->packet);
 645                         opj_free(tile_info->tp);
 646                         opj_free(tile_info->marker);
 647                 }
 648                 opj_free(cstr_info->tile);
 649                 opj_free(cstr_info->marker);
 650                 opj_free(cstr_info->numdecompos);
 651         }
 652 }
 653
 654 void OPJ_CALLCONV opj_destroy_cstr_info_v2(opj_codestream_info_v2_t *cstr_info) {
 655         if (cstr_info) {
 656                 int tileno, compno;
 657
 658                 if (cstr_info->tile_info){
 659                         for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
 660                                 for (compno = 0; compno < cstr_info->nbcomps; compno++){
 661                                         opj_free(cstr_info->tile_info[tileno].tccp_info);
 662                                 }
 663                         }
 664                         opj_free(cstr_info->tile_info);
 665                 }
 666
 667                 if (cstr_info->m_default_tile_info.tccp_info){
 668                         opj_free(cstr_info->m_default_tile_info.tccp_info);
 669                 }
 670
 671                 opj_free(cstr_info);
 672         }
 673 }
 674
 675
 676
 677 #ifdef OLD_WAY_MS
 678 opj_bool OPJ_CALLCONV opj_read_header (
 679                                                                    opj_codec_t *p_codec,
 680                                                                    opj_image_t ** p_image,
 681                                                                    OPJ_INT32 * p_tile_x0,
 682                                                                    OPJ_INT32 * p_tile_y0,
 683                                                                    OPJ_UINT32 * p_tile_width,
 684                                                                    OPJ_UINT32 * p_tile_height,
 685                                                                    OPJ_UINT32 * p_nb_tiles_x,
 686                                                                    OPJ_UINT32 * p_nb_tiles_y,
 687                                                                    opj_stream_t *p_cio)
 688 {
 689         if (p_codec && p_cio) {
 690                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 691                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_cio;
 692
 693                 if(! l_info->is_decompressor) {
 694                         return OPJ_FALSE;
 695                 }
 696
 697                 return l_info->m_codec_data.m_decompression.opj_read_header(
 698                         l_info->m_codec,
 699                         p_image,
 700                         p_tile_x0,
 701                         p_tile_y0,
 702                         p_tile_width,
 703                         p_tile_height,
 704                         p_nb_tiles_x,
 705                         p_nb_tiles_y,
 706                         l_cio,
 707                         l_info->m_event_mgr); //&(l_info->m_event_mgr));
 708         }
 709         return OPJ_FALSE;
 710 }
 711 #endif
 712
 713 opj_bool OPJ_CALLCONV opj_read_header ( opj_stream_t *p_cio,
 714                                                                                 opj_codec_t *p_codec,
 715                                                                                 opj_image_t *p_image )
 716 {
 717         if (p_codec && p_cio) {
 718                 opj_codec_private_t* l_info = (opj_codec_private_t*) p_codec;
 719                 opj_stream_private_t* l_cio = (opj_stream_private_t*) p_cio;
 720
 721                 if(! l_info->is_decompressor) {
 722                         opj_event_msg_v2(l_info->m_event_mgr, EVT_ERROR, "Codec provided to the read_header function is not a decompressor handler.\n");
 723                         return OPJ_FALSE;
 724                 }
 725
 726                 return l_info->m_codec_data.m_decompression.opj_read_header(
 727                                         l_cio,
 728                                         l_info->m_codec,
 729                                         p_image,
 730                                         l_info->m_event_mgr);
 731         }
 732
 733         fprintf(stderr, "[ERROR] Input parameters of the read_header function are incorrect.\n");
 734         return OPJ_FALSE;
 735 }
 736
 737
 738 void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_info)
 739 {
 740         if (p_info) {
 741                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
 742
 743                 if (l_info->is_decompressor) {
 744                         l_info->m_codec_data.m_decompression.opj_destroy(l_info->m_codec);
 745                 }
 746                 else {
 747                         l_info->m_codec_data.m_compression.opj_destroy(l_info->m_codec);
 748                 }
 749
 750                 l_info->m_codec = 00;
 751                 opj_free(l_info);
 752         }
 753 }
 754
 755 /**
 756  * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
 757  *
 758  * @param       p_codec                 the jpeg2000 codec.
 759  * @param       p_start_x               the left position of the rectangle to decode (in image coordinates).
 760  * @param       p_end_x                 the right position of the rectangle to decode (in image coordinates).
 761  * @param       p_start_y               the up position of the rectangle to decode (in image coordinates).
 762  * @param       p_end_y                 the bottom position of the rectangle to decode (in image coordinates).
 763  *
 764  * @return      true                    if the area could be set.
 765  */
 766 opj_bool OPJ_CALLCONV opj_set_decode_area(      opj_codec_t *p_codec,
 767                                                                                         OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
 768                                                                                         OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
 769                                                                                         )
 770 {
 771         if (p_codec) {
 772                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 773                 if (! l_info->is_decompressor) {
 774                         return OPJ_FALSE;
 775                 }
 776
 777                 return  l_info->m_codec_data.m_decompression.opj_set_decode_area(
 778                                 l_info->m_codec,
 779                                 p_start_x,
 780                                 p_start_y,
 781                                 p_end_x,
 782                                 p_end_y,
 783                                 l_info->m_event_mgr);
 784
 785         }
 786         return OPJ_FALSE;
 787 }
 788
 789 /**
 790  * Reads a tile header. This function is compulsory and allows one to know the size of the tile thta will be decoded.
 791  * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
 792  *
 793  * @param       p_codec                 the jpeg2000 codec.
 794  * @param       p_tile_index    pointer to a value that will hold the index of the tile being decoded, in case of success.
 795  * @param       p_data_size             pointer to a value that will hold the maximum size of the decoded data, in case of success. In case
 796  *                                                      of truncated codestreams, the actual number of bytes decoded may be lower. The computation of the size is the same
 797  *                                                      as depicted in opj_write_tile.
 798  * @param       p_tile_x0               pointer to a value that will hold the x0 pos of the tile (in the image).
 799  * @param       p_tile_y0               pointer to a value that will hold the y0 pos of the tile (in the image).
 800  * @param       p_tile_x1               pointer to a value that will hold the x1 pos of the tile (in the image).
 801  * @param       p_tile_y1               pointer to a value that will hold the y1 pos of the tile (in the image).
 802  * @param       p_nb_comps              pointer to a value that will hold the number of components in the tile.
 803  * @param       p_should_go_on  pointer to a boolean that will hold the fact that the decoding should go on. In case the
 804  *                                                      codestream is over at the time of the call, the value will be set to false. The user should then stop
 805  *                                                      the decoding.
 806  * @param       p_stream                the stream to decode.
 807  * @return      true                    if the tile header could be decoded. In case the decoding should end, the returned value is still true.
 808  *                                                      returning false may be the result of a shortage of memory or an internal error.
 809  */
 810 opj_bool OPJ_CALLCONV opj_read_tile_header(
 811                                         opj_codec_t *p_codec,
 812                                         opj_stream_t * p_stream,
 813                                         OPJ_UINT32 * p_tile_index,
 814                                         OPJ_UINT32 * p_data_size,
 815                                         OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
 816                                         OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
 817                                         OPJ_UINT32 * p_nb_comps,
 818                                         opj_bool * p_should_go_on)
 819 {
 820         if (p_codec && p_stream && p_data_size && p_tile_index) {
 821                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 822                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_stream;
 823
 824                 if (! l_info->is_decompressor) {
 825                         return OPJ_FALSE;
 826                 }
 827
 828                 return l_info->m_codec_data.m_decompression.opj_read_tile_header(
 829                         l_info->m_codec,
 830                         p_tile_index,
 831                         p_data_size,
 832                         p_tile_x0, p_tile_y0,
 833                         p_tile_x1, p_tile_y1,
 834                         p_nb_comps,
 835                         p_should_go_on,
 836                         l_cio,
 837                         l_info->m_event_mgr);
 838         }
 839         return OPJ_FALSE;
 840 }
 841
 842 /**
 843  * Reads a tile data. This function is compulsory and allows one to decode tile data. opj_read_tile_header should be called before.
 844  * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
 845  *
 846  * @param       p_codec                 the jpeg2000 codec.
 847  * @param       p_tile_index    the index of the tile being decoded, this should be the value set by opj_read_tile_header.
 848  * @param       p_data                  pointer to a memory block that will hold the decoded data.
 849  * @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.
 850  * @param       p_stream                the stream to decode.
 851  *
 852  * @return      true                    if the data could be decoded.
 853  */
 854 opj_bool OPJ_CALLCONV opj_decode_tile_data(
 855                                         opj_codec_t *p_codec,
 856                                         OPJ_UINT32 p_tile_index,
 857                                         OPJ_BYTE * p_data,
 858                                         OPJ_UINT32 p_data_size,
 859                                         opj_stream_t *p_stream
 860                                         )
 861 {
 862         if (p_codec && p_data && p_stream) {
 863                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 864                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_stream;
 865
 866                 if (! l_info->is_decompressor) {
 867                         return OPJ_FALSE;
 868                 }
 869
 870                 return l_info->m_codec_data.m_decompression.opj_decode_tile_data(       l_info->m_codec,
 871                                                                                                                                                         p_tile_index,
 872                                                                                                                                                         p_data,
 873                                                                                                                                                         p_data_size,
 874                                                                                                                                                         l_cio,
 875                                                                                                                                                         l_info->m_event_mgr);
 876         }
 877         return OPJ_FALSE;
 878 }
 879
 880 /*
 881  *
 882  *
 883  */
 884 void OPJ_CALLCONV opj_dump_codec(       opj_codec_t *p_codec,
 885                                                                         OPJ_INT32 info_flag,
 886                                                                         FILE* output_stream)
 887 {
 888         if (p_codec) {
 889                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 890
 891                 l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
 892                 return;
 893         }
 894
 895         fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n");
 896         return;
 897 }
 898
 899 /*
 900  *
 901  *
 902  */
 903 opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
 904 {
 905         if (p_codec) {
 906                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 907
 908                 return l_codec->opj_get_codec_info(l_codec->m_codec);
 909         }
 910
 911         return NULL;
 912 }
 913
 914 /*
 915  *
 916  *
 917  */
 918 opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
 919 {
 920         if (p_codec) {
 921                 opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
 922
 923                 return l_codec->opj_get_codec_index(l_codec->m_codec);
 924         }
 925
 926         return NULL;
 927 }
 928
 929 opj_bool OPJ_CALLCONV opj_decode_v2(opj_codec_t *p_info,
 930                                                                         opj_stream_t *cio,
 931                                                                         opj_image_t* p_image)
 932 {
 933         if (p_info && cio) {
 934                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
 935                 opj_stream_private_t * l_cio = (opj_stream_private_t *) cio;
 936
 937                 if (! l_info->is_decompressor) {
 938                         return OPJ_FALSE;
 939                 }
 940
 941                 return l_info->m_codec_data.m_decompression.opj_decode( l_info->m_codec,
 942                                                                                                                                 l_cio,
 943                                                                                                                                 p_image,
 944                                                                                                                                 l_info->m_event_mgr);
 945         }
 946
 947         return OPJ_FALSE;
 948 }
 949
 950 opj_bool OPJ_CALLCONV opj_end_decompress (opj_codec_t *p_codec,opj_stream_t *p_cio)
 951 {
 952         if (p_codec && p_cio) {
 953                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 954                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_cio;
 955
 956                 if (! l_info->is_decompressor) {
 957                         return OPJ_FALSE;
 958                 }
 959                 return l_info->m_codec_data.m_decompression.opj_end_decompress( l_info->m_codec,
 960                                                                                                                                                 l_cio,
 961                                                                                                                                                 l_info->m_event_mgr);
 962         }
 963
 964         return OPJ_FALSE;
 965 }