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 typedef struct opj_decompression
  35 {
  36         opj_bool (* opj_read_header) (
  37                         struct opj_stream_private * cio,
  38                         void * p_codec,
  39                         opj_image_header_t ** image_header,
  40                         opj_codestream_info_t ** cstr_info,
  41                         struct opj_event_mgr * p_manager);
  42         opj_image_t* (* opj_decode) (void * p_codec, struct opj_stream_private *p_cio, struct opj_event_mgr * p_manager);
  43         opj_bool (*opj_read_tile_header)(
  44                 void * p_codec,
  45                 OPJ_UINT32 * p_tile_index,
  46                 OPJ_UINT32* p_data_size,
  47                 OPJ_INT32 * p_tile_x0,
  48                 OPJ_INT32 * p_tile_y0,
  49                 OPJ_INT32 * p_tile_x1,
  50                 OPJ_INT32 * p_tile_y1,
  51                 OPJ_UINT32 * p_nb_comps,
  52                 opj_bool * p_should_go_on,
  53                 struct opj_stream_private *p_cio,
  54                 struct opj_event_mgr * p_manager);
  55                 opj_bool (*opj_decode_tile_data)(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);
  56         opj_bool (* opj_end_decompress) (void *p_codec,struct opj_stream_private *cio,struct opj_event_mgr * p_manager);
  57         void (* opj_destroy) (void * p_codec);
  58         void (*opj_setup_decoder) (void * p_codec,opj_dparameters_t * p_param);
  59         opj_bool (*opj_set_decode_area) (void * p_codec,OPJ_INT32 p_start_x,OPJ_INT32 p_end_x,OPJ_INT32 p_start_y,OPJ_INT32 p_end_y,struct opj_event_mgr * p_manager);
  60
  61
  62 }opj_decompression_t;
  63
  64 typedef struct opj_compression
  65 {
  66         opj_bool (* opj_start_compress) (void *p_codec,struct opj_stream_private *cio,struct opj_image * p_image,       struct opj_event_mgr * p_manager);
  67         opj_bool (* opj_encode) (void * p_codec, struct opj_stream_private *p_cio, struct opj_event_mgr * p_manager);
  68         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);
  69         opj_bool (* opj_end_compress) (void * p_codec, struct opj_stream_private *p_cio, struct opj_event_mgr * p_manager);
  70         void (* opj_destroy) (void * p_codec);
  71         void (*opj_setup_encoder) (void * p_codec,opj_cparameters_t * p_param,struct opj_image * p_image, struct opj_event_mgr * p_manager);
  72
  73 }opj_compression_t;
  74
  75 typedef struct opj_codec_private
  76 {
  77         union
  78         {               /* code-blocks informations */
  79           opj_decompression_t m_decompression;
  80           opj_compression_t m_compression;
  81     } m_codec_data;
  82         void * m_codec;
  83         opj_event_mgr_t* m_event_mgr;
  84         unsigned is_decompressor : 1;
  85 }
  86 opj_codec_private_t;
  87
  88 /**
  89  * Default callback function.
  90  * Do nothing.
  91  */
  92 void opj_default_callback (const char *msg, void *client_data)
  93 {
  94         //FIXME V2 -> V1 cf below
  95 }
  96
  97 void set_default_event_handler(opj_event_mgr_t * p_manager)
  98 {
  99         //FIXME V2 -> V1
 100         //p_manager->m_error_data = 00;
 101         //p_manager->m_warning_data = 00;
 102         //p_manager->m_info_data = 00;
 103         p_manager->error_handler = opj_default_callback;
 104         p_manager->info_handler = opj_default_callback;
 105         p_manager->warning_handler = opj_default_callback;
 106 }
 107
 108 OPJ_UINT32 opj_read_from_file (void * p_buffer, OPJ_UINT32 p_nb_bytes, FILE * p_file)
 109 {
 110         OPJ_UINT32 l_nb_read = fread(p_buffer,1,p_nb_bytes,p_file);
 111         return l_nb_read ? l_nb_read : -1;
 112 }
 113
 114 OPJ_UINT32 opj_write_from_file (void * p_buffer, OPJ_UINT32 p_nb_bytes, FILE * p_file)
 115 {
 116         return fwrite(p_buffer,1,p_nb_bytes,p_file);
 117 }
 118
 119 OPJ_SIZE_T opj_skip_from_file (OPJ_SIZE_T p_nb_bytes, FILE * p_user_data)
 120 {
 121         if
 122                 (fseek(p_user_data,p_nb_bytes,SEEK_CUR))
 123         {
 124                 return -1;
 125         }
 126         return p_nb_bytes;
 127 }
 128
 129 opj_bool opj_seek_from_file (OPJ_SIZE_T p_nb_bytes, FILE * p_user_data)
 130 {
 131         if
 132                 (fseek(p_user_data,p_nb_bytes,SEEK_SET))
 133         {
 134                 return EXIT_FAILURE;
 135         }
 136         return EXIT_SUCCESS;
 137 }
 138
 139 /* ---------------------------------------------------------------------- */
 140 #ifdef _WIN32
 141 #ifndef OPJ_STATIC
 142 BOOL APIENTRY
 143 DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
 144
 145         OPJ_ARG_NOT_USED(lpReserved);
 146         OPJ_ARG_NOT_USED(hModule);
 147
 148         switch (ul_reason_for_call) {
 149                 case DLL_PROCESS_ATTACH :
 150                         break;
 151                 case DLL_PROCESS_DETACH :
 152                         break;
 153                 case DLL_THREAD_ATTACH :
 154                 case DLL_THREAD_DETACH :
 155                         break;
 156     }
 157
 158     return TRUE;
 159 }
 160 #endif /* OPJ_STATIC */
 161 #endif /* _WIN32 */
 162
 163 /* ---------------------------------------------------------------------- */
 164
 165
 166 const char* OPJ_CALLCONV opj_version(void) {
 167     return PACKAGE_VERSION;
 168 }
 169
 170 opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format) {
 171         opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_calloc(1, sizeof(opj_dinfo_t));
 172         if(!dinfo) return NULL;
 173         dinfo->is_decompressor = OPJ_TRUE;
 174         switch(format) {
 175                 case CODEC_J2K:
 176                 case CODEC_JPT:
 177                         /* get a J2K decoder handle */
 178                         dinfo->j2k_handle = (void*)j2k_create_decompress((opj_common_ptr)dinfo);
 179                         if(!dinfo->j2k_handle) {
 180                                 opj_free(dinfo);
 181                                 return NULL;
 182                         }
 183                         break;
 184                 case CODEC_JP2:
 185                         /* get a JP2 decoder handle */
 186                         dinfo->jp2_handle = (void*)jp2_create_decompress((opj_common_ptr)dinfo);
 187                         if(!dinfo->jp2_handle) {
 188                                 opj_free(dinfo);
 189                                 return NULL;
 190                         }
 191                         break;
 192                 case CODEC_UNKNOWN:
 193                 default:
 194                         opj_free(dinfo);
 195                         return NULL;
 196         }
 197
 198         dinfo->codec_format = format;
 199
 200         return dinfo;
 201 }
 202
 203 opj_codec_t* OPJ_CALLCONV opj_create_decompress_v2(OPJ_CODEC_FORMAT p_format)
 204 {
 205         opj_codec_private_t *l_info = 00;
 206
 207         l_info = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
 208         if (!l_info){
 209                 return 00;
 210         }
 211         memset(l_info, 0, sizeof(opj_codec_private_t));
 212
 213         l_info->is_decompressor = 1;
 214
 215         switch
 216                 (p_format)
 217         {
 218                 case CODEC_J2K:
 219                         l_info->m_codec_data.m_decompression.opj_decode = (opj_image_t* (*) (void *, struct opj_stream_private *, struct opj_event_mgr * ))j2k_decode;
 220                         l_info->m_codec_data.m_decompression.opj_end_decompress =  (opj_bool (*) (void *,struct opj_stream_private *,struct opj_event_mgr *))j2k_end_decompress;
 221                         l_info->m_codec_data.m_decompression.opj_read_header =  (opj_bool (*) (
 222                                         struct opj_stream_private *,
 223                                         void *,
 224                                         opj_image_header_t **,
 225                                         opj_codestream_info_t**,
 226                                         struct opj_event_mgr * )) j2k_read_header;
 227                         l_info->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))j2k_destroy;
 228                         l_info->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * ,opj_dparameters_t * )) j2k_setup_decoder;
 229                         l_info->m_codec_data.m_decompression.opj_read_tile_header = (opj_bool (*) (
 230                                 void *,
 231                                 OPJ_UINT32*,
 232                                 OPJ_UINT32*,
 233                                 OPJ_INT32 * ,
 234                                 OPJ_INT32 * ,
 235                                 OPJ_INT32 * ,
 236                                 OPJ_INT32 * ,
 237                                 OPJ_UINT32 * ,
 238                                 opj_bool *,
 239                                 struct opj_stream_private *,
 240                                 struct opj_event_mgr * )) j2k_read_tile_header;
 241                                 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 * )) j2k_decode_tile;
 242                         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 * )) j2k_set_decode_area;
 243                         l_info->m_codec = j2k_create_decompress_v2();
 244                         if
 245                                 (! l_info->m_codec)
 246                         {
 247                                 opj_free(l_info);
 248                                 return 00;
 249                         }
 250                         break;
 251
 252                 case CODEC_JP2:
 253                         /* get a JP2 decoder handle */
 254 #ifdef TODO_MSD
 255                         l_info->m_codec_data.m_decompression.opj_decode = (opj_image_t* (*) (void *, struct opj_stream_private *, struct opj_event_mgr * ))opj_jp2_decode;
 256                         l_info->m_codec_data.m_decompression.opj_end_decompress =  (opj_bool (*) (void *,struct opj_stream_private *,struct opj_event_mgr *)) jp2_end_decompress;
 257                         l_info->m_codec_data.m_decompression.opj_read_header =  (opj_bool (*) (
 258                                 void *,
 259                                 opj_image_t **,
 260
 261                                 OPJ_INT32 * ,
 262                                 OPJ_INT32 * ,
 263                                 OPJ_UINT32 * ,
 264                                 OPJ_UINT32 * ,
 265                                 OPJ_UINT32 * ,
 266                                 OPJ_UINT32 * ,
 267                                 struct opj_stream_private *,
 268                                 struct opj_event_mgr * )) jp2_read_header;
 269
 270                         l_info->m_codec_data.m_decompression.opj_read_tile_header = (
 271                                 opj_bool (*) (
 272                                         void *,
 273                                         OPJ_UINT32*,
 274                                         OPJ_UINT32*,
 275                                         OPJ_INT32*,
 276                                         OPJ_INT32*,
 277                                         OPJ_INT32 * ,
 278                                         OPJ_INT32 * ,
 279                                         OPJ_UINT32 * ,
 280                                         opj_bool *,
 281                                         struct opj_stream_private *,
 282                                         struct opj_event_mgr * )) jp2_read_tile_header;
 283
 284                         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;
 285
 286                         l_info->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))jp2_destroy;
 287                         l_info->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * ,opj_dparameters_t * )) jp2_setup_decoder;
 288                         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;
 289
 290
 291                         l_info->m_codec = jp2_create(OPJ_TRUE);
 292                         if
 293                                 (! l_info->m_codec)
 294                         {
 295                                 opj_free(l_info);
 296                                 return 00;
 297                         }
 298 #endif
 299                         break;
 300                 case CODEC_UNKNOWN:
 301                 case CODEC_JPT:
 302                 default:
 303                         opj_free(l_info);
 304                         return 00;
 305         }
 306
 307         // FIXME set_default_event_handler(&(l_info->m_event_mgr));
 308         return (opj_codec_t*) l_info;
 309 }
 310
 311
 312 void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo) {
 313         if(dinfo) {
 314                 /* destroy the codec */
 315                 switch(dinfo->codec_format) {
 316                         case CODEC_J2K:
 317                         case CODEC_JPT:
 318                                 j2k_destroy_decompress((opj_j2k_t*)dinfo->j2k_handle);
 319                                 break;
 320                         case CODEC_JP2:
 321                                 jp2_destroy_decompress((opj_jp2_t*)dinfo->jp2_handle);
 322                                 break;
 323                         case CODEC_UNKNOWN:
 324                         default:
 325                                 break;
 326                 }
 327                 /* destroy the decompressor */
 328                 opj_free(dinfo);
 329         }
 330 }
 331
 332 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
 333         if(parameters) {
 334                 memset(parameters, 0, sizeof(opj_dparameters_t));
 335                 /* default decoding parameters */
 336                 parameters->cp_layer = 0;
 337                 parameters->cp_reduce = 0;
 338                 parameters->cp_limit_decoding = NO_LIMITATION;
 339
 340                 parameters->decod_format = -1;
 341                 parameters->cod_format = -1;
 342 /* UniPG>> */
 343 #ifdef USE_JPWL
 344                 parameters->jpwl_correct = OPJ_FALSE;
 345                 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
 346                 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
 347 #endif /* USE_JPWL */
 348 /* <<UniPG */
 349         }
 350 }
 351
 352 void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
 353         if(dinfo && parameters) {
 354                 switch(dinfo->codec_format) {
 355                         case CODEC_J2K:
 356                         case CODEC_JPT:
 357                                 j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);
 358                                 break;
 359                         case CODEC_JP2:
 360                                 jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);
 361                                 break;
 362                         case CODEC_UNKNOWN:
 363                         default:
 364                                 break;
 365                 }
 366         }
 367 }
 368
 369 opj_bool OPJ_CALLCONV opj_setup_decoder_v2(opj_codec_t *p_info, opj_dparameters_t *parameters, opj_event_mgr_t* event_mgr)
 370 {
 371         if (p_info && parameters) {
 372                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
 373
 374                 if (! l_info->is_decompressor) {
 375                         return OPJ_FALSE;
 376                 }
 377
 378                 l_info->m_codec_data.m_decompression.opj_setup_decoder(l_info->m_codec,parameters);
 379
 380                 if (event_mgr == NULL)
 381                 {
 382                         l_info->m_event_mgr->error_handler = opj_default_callback ;
 383                         l_info->m_event_mgr->warning_handler = opj_default_callback ;
 384                         l_info->m_event_mgr->info_handler = opj_default_callback ;
 385                         l_info->m_event_mgr->client_data = stderr;
 386                 }
 387                 else
 388                         l_info->m_event_mgr = event_mgr;
 389                 return OPJ_TRUE;
 390         }
 391         return OPJ_FALSE;
 392 }
 393
 394 opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
 395         return opj_decode_with_info(dinfo, cio, NULL);
 396 }
 397
 398 opj_image_t* OPJ_CALLCONV opj_decode_with_info(opj_dinfo_t *dinfo, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
 399         if(dinfo && cio) {
 400                 switch(dinfo->codec_format) {
 401                         case CODEC_J2K:
 402                                 return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 403                         case CODEC_JPT:
 404                                 return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 405                         case CODEC_JP2:
 406                                 return opj_jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio, cstr_info);
 407                         case CODEC_UNKNOWN:
 408                         default:
 409                                 break;
 410                 }
 411         }
 412         return NULL;
 413 }
 414
 415 opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) {
 416         opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_calloc(1, sizeof(opj_cinfo_t));
 417         if(!cinfo) return NULL;
 418         cinfo->is_decompressor = OPJ_FALSE;
 419         switch(format) {
 420                 case CODEC_J2K:
 421                         /* get a J2K coder handle */
 422                         cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);
 423                         if(!cinfo->j2k_handle) {
 424                                 opj_free(cinfo);
 425                                 return NULL;
 426                         }
 427                         break;
 428                 case CODEC_JP2:
 429                         /* get a JP2 coder handle */
 430                         cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);
 431                         if(!cinfo->jp2_handle) {
 432                                 opj_free(cinfo);
 433                                 return NULL;
 434                         }
 435                         break;
 436                 case CODEC_JPT:
 437                 case CODEC_UNKNOWN:
 438                 default:
 439                         opj_free(cinfo);
 440                         return NULL;
 441         }
 442
 443         cinfo->codec_format = format;
 444
 445         return cinfo;
 446 }
 447
 448 void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) {
 449         if(cinfo) {
 450                 /* destroy the codec */
 451                 switch(cinfo->codec_format) {
 452                         case CODEC_J2K:
 453                                 j2k_destroy_compress((opj_j2k_t*)cinfo->j2k_handle);
 454                                 break;
 455                         case CODEC_JP2:
 456                                 jp2_destroy_compress((opj_jp2_t*)cinfo->jp2_handle);
 457                                 break;
 458                         case CODEC_JPT:
 459                         case CODEC_UNKNOWN:
 460                         default:
 461                                 break;
 462                 }
 463                 /* destroy the decompressor */
 464                 opj_free(cinfo);
 465         }
 466 }
 467
 468 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
 469         if(parameters) {
 470                 memset(parameters, 0, sizeof(opj_cparameters_t));
 471                 /* default coding parameters */
 472                 parameters->cp_cinema = OFF;
 473                 parameters->max_comp_size = 0;
 474                 parameters->numresolution = 6;
 475                 parameters->cp_rsiz = STD_RSIZ;
 476                 parameters->cblockw_init = 64;
 477                 parameters->cblockh_init = 64;
 478                 parameters->prog_order = LRCP;
 479                 parameters->roi_compno = -1;            /* no ROI */
 480                 parameters->subsampling_dx = 1;
 481                 parameters->subsampling_dy = 1;
 482                 parameters->tp_on = 0;
 483                 parameters->decod_format = -1;
 484                 parameters->cod_format = -1;
 485                 parameters->tcp_rates[0] = 0;
 486                 parameters->tcp_numlayers = 0;
 487     parameters->cp_disto_alloc = 0;
 488                 parameters->cp_fixed_alloc = 0;
 489                 parameters->cp_fixed_quality = 0;
 490                 parameters->jpip_on = OPJ_FALSE;
 491 /* UniPG>> */
 492 #ifdef USE_JPWL
 493                 parameters->jpwl_epc_on = OPJ_FALSE;
 494                 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
 495                 {
 496                         int i;
 497                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 498                                 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
 499                                 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
 500                         }
 501                 };
 502                 {
 503                         int i;
 504                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
 505                                 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
 506                                 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
 507                                 parameters->jpwl_pprot[i] = 0; /* absent */
 508                         }
 509                 };
 510                 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
 511                 parameters->jpwl_sens_addr = 0; /* 0 means auto */
 512                 parameters->jpwl_sens_range = 0; /* 0 means packet */
 513                 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
 514                 {
 515                         int i;
 516                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 517                                 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
 518                                 parameters->jpwl_sens_TPH[i] = -1; /* absent */
 519                         }
 520                 };
 521 #endif /* USE_JPWL */
 522 /* <<UniPG */
 523         }
 524 }
 525
 526 /**
 527  * Helper function.
 528  * Sets the stream to be a file stream. The FILE must have been open previously.
 529  * @param               p_stream        the stream to modify
 530  * @param               p_file          handler to an already open file.
 531 */
 532 opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (FILE * p_file, opj_bool p_is_read_stream)
 533 {
 534         return opj_stream_create_file_stream(p_file,J2K_STREAM_CHUNK_SIZE,p_is_read_stream);
 535 }
 536
 537 opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream (FILE * p_file, OPJ_UINT32 p_size, opj_bool p_is_read_stream)
 538 {
 539         opj_stream_t* l_stream = 00;
 540
 541         if (! p_file) {
 542                 return NULL;
 543         }
 544
 545         l_stream = opj_stream_create(p_size,p_is_read_stream);
 546         if (! l_stream) {
 547                 return NULL;
 548         }
 549
 550         opj_stream_set_user_data(l_stream, p_file);
 551         opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file);
 552         opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_file);
 553         opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file);
 554         opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file);
 555
 556         return l_stream;
 557 }
 558
 559 void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {
 560         if(cinfo && parameters && image) {
 561                 switch(cinfo->codec_format) {
 562                         case CODEC_J2K:
 563                                 j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);
 564                                 break;
 565                         case CODEC_JP2:
 566                                 jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);
 567                                 break;
 568                         case CODEC_JPT:
 569                         case CODEC_UNKNOWN:
 570                         default:
 571                                 break;
 572                 }
 573         }
 574 }
 575
 576 opj_bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
 577         if (index != NULL)
 578                 opj_event_msg((opj_common_ptr)cinfo, EVT_WARNING, "Set index to NULL when calling the opj_encode function.\n"
 579                 "To extract the index, use the opj_encode_with_info() function.\n"
 580                 "No index will be generated during this encoding\n");
 581         return opj_encode_with_info(cinfo, cio, image, NULL);
 582 }
 583
 584 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) {
 585         if(cinfo && cio && image) {
 586                 switch(cinfo->codec_format) {
 587                         case CODEC_J2K:
 588                                 return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, cstr_info);
 589                         case CODEC_JP2:
 590                                 return opj_jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, cstr_info);
 591                         case CODEC_JPT:
 592                         case CODEC_UNKNOWN:
 593                         default:
 594                                 break;
 595                 }
 596         }
 597         return OPJ_FALSE;
 598 }
 599
 600 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) {
 601         if (cstr_info) {
 602                 int tileno;
 603                 for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
 604                         opj_tile_info_t *tile_info = &cstr_info->tile[tileno];
 605                         opj_free(tile_info->thresh);
 606                         opj_free(tile_info->packet);
 607                         opj_free(tile_info->tp);
 608                         opj_free(tile_info->marker);
 609                 }
 610                 opj_free(cstr_info->tile);
 611                 opj_free(cstr_info->marker);
 612                 opj_free(cstr_info->numdecompos);
 613         }
 614 }
 615
 616 #ifdef OLD_WAY_MS
 617 opj_bool OPJ_CALLCONV opj_read_header (
 618                                                                    opj_codec_t *p_codec,
 619                                                                    opj_image_t ** p_image,
 620                                                                    OPJ_INT32 * p_tile_x0,
 621                                                                    OPJ_INT32 * p_tile_y0,
 622                                                                    OPJ_UINT32 * p_tile_width,
 623                                                                    OPJ_UINT32 * p_tile_height,
 624                                                                    OPJ_UINT32 * p_nb_tiles_x,
 625                                                                    OPJ_UINT32 * p_nb_tiles_y,
 626                                                                    opj_stream_t *p_cio)
 627 {
 628         if (p_codec && p_cio) {
 629                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
 630                 opj_stream_private_t * l_cio = (opj_stream_private_t *) p_cio;
 631
 632                 if(! l_info->is_decompressor) {
 633                         return OPJ_FALSE;
 634                 }
 635
 636                 return l_info->m_codec_data.m_decompression.opj_read_header(
 637                         l_info->m_codec,
 638                         p_image,
 639                         p_tile_x0,
 640                         p_tile_y0,
 641                         p_tile_width,
 642                         p_tile_height,
 643                         p_nb_tiles_x,
 644                         p_nb_tiles_y,
 645                         l_cio,
 646                         l_info->m_event_mgr); //&(l_info->m_event_mgr));
 647         }
 648         return OPJ_FALSE;
 649 }
 650 #endif
 651
 652 opj_bool OPJ_CALLCONV opj_read_header ( opj_stream_t *p_cio,
 653                                                                                 opj_codec_t *p_codec,
 654                                                                                 opj_image_header_t **p_image_header,
 655                                                                                 opj_codestream_info_t **p_cstr_info     )
 656
 657 {
 658         if (p_codec && p_cio) {
 659                 opj_codec_private_t* l_info = (opj_codec_private_t*) p_codec;
 660                 opj_stream_private_t* l_cio = (opj_stream_private_t*) p_cio;
 661
 662                 if(! l_info->is_decompressor) {
 663                         return OPJ_FALSE;
 664                 }
 665
 666                 return l_info->m_codec_data.m_decompression.opj_read_header(
 667                                         l_cio,
 668                                         l_info->m_codec,
 669                                         p_image_header,
 670                                         p_cstr_info,
 671                                         l_info->m_event_mgr);
 672         }
 673         return OPJ_FALSE;
 674 }
 675
 676
 677 void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_info)
 678 {
 679         if
 680                 (p_info)
 681         {
 682                 opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
 683                 if
 684                         (l_info->is_decompressor)
 685                 {
 686                         l_info->m_codec_data.m_decompression.opj_destroy(l_info->m_codec);
 687                 }
 688                 else
 689                 {
 690                         l_info->m_codec_data.m_compression.opj_destroy(l_info->m_codec);
 691                 }
 692                 l_info->m_codec = 00;
 693                 opj_free(l_info);
 694         }
 695 }