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 #ifdef _WIN32
  36 #ifndef OPJ_STATIC
  37 BOOL APIENTRY
  38 DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
  39
  40         OPJ_ARG_NOT_USED(lpReserved);
  41         OPJ_ARG_NOT_USED(hModule);
  42
  43         switch (ul_reason_for_call) {
  44                 case DLL_PROCESS_ATTACH :
  45                         break;
  46                 case DLL_PROCESS_DETACH :
  47                         break;
  48                 case DLL_THREAD_ATTACH :
  49                 case DLL_THREAD_DETACH :
  50                         break;
  51     }
  52
  53     return TRUE;
  54 }
  55 #endif /* OPJ_STATIC */
  56 #endif /* _WIN32 */
  57
  58 /* ---------------------------------------------------------------------- */
  59
  60
  61 const char* OPJ_CALLCONV opj_version(void) {
  62     return PACKAGE_VERSION;
  63 }
  64
  65 opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format) {
  66         opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_calloc(1, sizeof(opj_dinfo_t));
  67         if(!dinfo) return NULL;
  68         dinfo->is_decompressor = OPJ_TRUE;
  69         switch(format) {
  70                 case CODEC_J2K:
  71                 case CODEC_JPT:
  72                         /* get a J2K decoder handle */
  73                         dinfo->j2k_handle = (void*)j2k_create_decompress((opj_common_ptr)dinfo);
  74                         if(!dinfo->j2k_handle) {
  75                                 opj_free(dinfo);
  76                                 return NULL;
  77                         }
  78                         break;
  79                 case CODEC_JP2:
  80                         /* get a JP2 decoder handle */
  81                         dinfo->jp2_handle = (void*)jp2_create_decompress((opj_common_ptr)dinfo);
  82                         if(!dinfo->jp2_handle) {
  83                                 opj_free(dinfo);
  84                                 return NULL;
  85                         }
  86                         break;
  87                 case CODEC_UNKNOWN:
  88                 default:
  89                         opj_free(dinfo);
  90                         return NULL;
  91         }
  92
  93         dinfo->codec_format = format;
  94
  95         return dinfo;
  96 }
  97
  98 void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo) {
  99         if(dinfo) {
 100                 /* destroy the codec */
 101                 switch(dinfo->codec_format) {
 102                         case CODEC_J2K:
 103                         case CODEC_JPT:
 104                                 j2k_destroy_decompress((opj_j2k_t*)dinfo->j2k_handle);
 105                                 break;
 106                         case CODEC_JP2:
 107                                 jp2_destroy_decompress((opj_jp2_t*)dinfo->jp2_handle);
 108                                 break;
 109                         case CODEC_UNKNOWN:
 110                         default:
 111                                 break;
 112                 }
 113                 /* destroy the decompressor */
 114                 opj_free(dinfo);
 115         }
 116 }
 117
 118 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
 119         if(parameters) {
 120                 memset(parameters, 0, sizeof(opj_dparameters_t));
 121                 /* default decoding parameters */
 122                 parameters->cp_layer = 0;
 123                 parameters->cp_reduce = 0;
 124                 parameters->cp_limit_decoding = NO_LIMITATION;
 125
 126                 parameters->decod_format = -1;
 127                 parameters->cod_format = -1;
 128                 parameters->flags = 0;
 129 /* UniPG>> */
 130 #ifdef USE_JPWL
 131                 parameters->jpwl_correct = OPJ_FALSE;
 132                 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
 133                 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
 134 #endif /* USE_JPWL */
 135 /* <<UniPG */
 136         }
 137 }
 138
 139 void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
 140         if(dinfo && parameters) {
 141                 switch(dinfo->codec_format) {
 142                         case CODEC_J2K:
 143                         case CODEC_JPT:
 144                                 j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);
 145                                 break;
 146                         case CODEC_JP2:
 147                                 jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);
 148                                 break;
 149                         case CODEC_UNKNOWN:
 150                         default:
 151                                 break;
 152                 }
 153         }
 154 }
 155
 156 opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
 157         return opj_decode_with_info(dinfo, cio, NULL);
 158 }
 159
 160 opj_image_t* OPJ_CALLCONV opj_decode_with_info(opj_dinfo_t *dinfo, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
 161         if(dinfo && cio) {
 162                 switch(dinfo->codec_format) {
 163                         case CODEC_J2K:
 164                                 return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 165                         case CODEC_JPT:
 166                                 return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 167                         case CODEC_JP2:
 168                                 return opj_jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio, cstr_info);
 169                         case CODEC_UNKNOWN:
 170                         default:
 171                                 break;
 172                 }
 173         }
 174         return NULL;
 175 }
 176
 177 opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) {
 178         opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_calloc(1, sizeof(opj_cinfo_t));
 179         if(!cinfo) return NULL;
 180         cinfo->is_decompressor = OPJ_FALSE;
 181         switch(format) {
 182                 case CODEC_J2K:
 183                         /* get a J2K coder handle */
 184                         cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);
 185                         if(!cinfo->j2k_handle) {
 186                                 opj_free(cinfo);
 187                                 return NULL;
 188                         }
 189                         break;
 190                 case CODEC_JP2:
 191                         /* get a JP2 coder handle */
 192                         cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);
 193                         if(!cinfo->jp2_handle) {
 194                                 opj_free(cinfo);
 195                                 return NULL;
 196                         }
 197                         break;
 198                 case CODEC_JPT:
 199                 case CODEC_UNKNOWN:
 200                 default:
 201                         opj_free(cinfo);
 202                         return NULL;
 203         }
 204
 205         cinfo->codec_format = format;
 206
 207         return cinfo;
 208 }
 209
 210 void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) {
 211         if(cinfo) {
 212                 /* destroy the codec */
 213                 switch(cinfo->codec_format) {
 214                         case CODEC_J2K:
 215                                 j2k_destroy_compress((opj_j2k_t*)cinfo->j2k_handle);
 216                                 break;
 217                         case CODEC_JP2:
 218                                 jp2_destroy_compress((opj_jp2_t*)cinfo->jp2_handle);
 219                                 break;
 220                         case CODEC_JPT:
 221                         case CODEC_UNKNOWN:
 222                         default:
 223                                 break;
 224                 }
 225                 /* destroy the decompressor */
 226                 opj_free(cinfo);
 227         }
 228 }
 229
 230 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
 231         if(parameters) {
 232                 memset(parameters, 0, sizeof(opj_cparameters_t));
 233                 /* default coding parameters */
 234                 parameters->cp_cinema = OFF;
 235                 parameters->max_comp_size = 0;
 236                 parameters->numresolution = 6;
 237                 parameters->cp_rsiz = STD_RSIZ;
 238                 parameters->cblockw_init = 64;
 239                 parameters->cblockh_init = 64;
 240                 parameters->prog_order = LRCP;
 241                 parameters->roi_compno = -1;            /* no ROI */
 242                 parameters->subsampling_dx = 1;
 243                 parameters->subsampling_dy = 1;
 244                 parameters->tp_on = 0;
 245                 parameters->decod_format = -1;
 246                 parameters->cod_format = -1;
 247                 parameters->tcp_rates[0] = 0;
 248                 parameters->tcp_numlayers = 0;
 249     parameters->cp_disto_alloc = 0;
 250                 parameters->cp_fixed_alloc = 0;
 251                 parameters->cp_fixed_quality = 0;
 252                 parameters->jpip_on = OPJ_FALSE;
 253 /* UniPG>> */
 254 #ifdef USE_JPWL
 255                 parameters->jpwl_epc_on = OPJ_FALSE;
 256                 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
 257                 {
 258                         int i;
 259                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 260                                 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
 261                                 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
 262                         }
 263                 };
 264                 {
 265                         int i;
 266                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
 267                                 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
 268                                 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
 269                                 parameters->jpwl_pprot[i] = 0; /* absent */
 270                         }
 271                 };
 272                 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
 273                 parameters->jpwl_sens_addr = 0; /* 0 means auto */
 274                 parameters->jpwl_sens_range = 0; /* 0 means packet */
 275                 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
 276                 {
 277                         int i;
 278                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 279                                 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
 280                                 parameters->jpwl_sens_TPH[i] = -1; /* absent */
 281                         }
 282                 };
 283 #endif /* USE_JPWL */
 284 /* <<UniPG */
 285         }
 286 }
 287
 288 void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {
 289         if(cinfo && parameters && image) {
 290                 switch(cinfo->codec_format) {
 291                         case CODEC_J2K:
 292                                 j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);
 293                                 break;
 294                         case CODEC_JP2:
 295                                 jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);
 296                                 break;
 297                         case CODEC_JPT:
 298                         case CODEC_UNKNOWN:
 299                         default:
 300                                 break;
 301                 }
 302         }
 303 }
 304
 305 opj_bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
 306         if (index != NULL)
 307                 opj_event_msg((opj_common_ptr)cinfo, EVT_WARNING, "Set index to NULL when calling the opj_encode function.\n"
 308                 "To extract the index, use the opj_encode_with_info() function.\n"
 309                 "No index will be generated during this encoding\n");
 310         return opj_encode_with_info(cinfo, cio, image, NULL);
 311 }
 312
 313 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) {
 314         if(cinfo && cio && image) {
 315                 switch(cinfo->codec_format) {
 316                         case CODEC_J2K:
 317                                 return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, cstr_info);
 318                         case CODEC_JP2:
 319                                 return opj_jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, cstr_info);
 320                         case CODEC_JPT:
 321                         case CODEC_UNKNOWN:
 322                         default:
 323                                 break;
 324                 }
 325         }
 326         return OPJ_FALSE;
 327 }
 328
 329 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) {
 330         if (cstr_info) {
 331                 int tileno;
 332                 for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
 333                         opj_tile_info_t *tile_info = &cstr_info->tile[tileno];
 334                         opj_free(tile_info->thresh);
 335                         opj_free(tile_info->packet);
 336                         opj_free(tile_info->tp);
 337                         opj_free(tile_info->marker);
 338                 }
 339                 opj_free(cstr_info->tile);
 340                 opj_free(cstr_info->marker);
 341                 opj_free(cstr_info->numdecompos);
 342         }
 343 }