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 /* UniPG>> */
 129 #ifdef USE_JPWL
 130                 parameters->jpwl_correct = OPJ_FALSE;
 131                 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
 132                 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
 133 #endif /* USE_JPWL */
 134 /* <<UniPG */
 135         }
 136 }
 137
 138 void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
 139         if(dinfo && parameters) {
 140                 switch(dinfo->codec_format) {
 141                         case CODEC_J2K:
 142                         case CODEC_JPT:
 143                                 j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);
 144                                 break;
 145                         case CODEC_JP2:
 146                                 jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);
 147                                 break;
 148                         case CODEC_UNKNOWN:
 149                         default:
 150                                 break;
 151                 }
 152         }
 153 }
 154
 155 opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
 156         return opj_decode_with_info(dinfo, cio, NULL);
 157 }
 158
 159 opj_image_t* OPJ_CALLCONV opj_decode_with_info(opj_dinfo_t *dinfo, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
 160         if(dinfo && cio) {
 161                 switch(dinfo->codec_format) {
 162                         case CODEC_J2K:
 163                                 return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 164                         case CODEC_JPT:
 165                                 return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
 166                         case CODEC_JP2:
 167                                 return opj_jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio, cstr_info);
 168                         case CODEC_UNKNOWN:
 169                         default:
 170                                 break;
 171                 }
 172         }
 173         return NULL;
 174 }
 175
 176 opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) {
 177         opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_calloc(1, sizeof(opj_cinfo_t));
 178         if(!cinfo) return NULL;
 179         cinfo->is_decompressor = OPJ_FALSE;
 180         switch(format) {
 181                 case CODEC_J2K:
 182                         /* get a J2K coder handle */
 183                         cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);
 184                         if(!cinfo->j2k_handle) {
 185                                 opj_free(cinfo);
 186                                 return NULL;
 187                         }
 188                         break;
 189                 case CODEC_JP2:
 190                         /* get a JP2 coder handle */
 191                         cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);
 192                         if(!cinfo->jp2_handle) {
 193                                 opj_free(cinfo);
 194                                 return NULL;
 195                         }
 196                         break;
 197                 case CODEC_JPT:
 198                 case CODEC_UNKNOWN:
 199                 default:
 200                         opj_free(cinfo);
 201                         return NULL;
 202         }
 203
 204         cinfo->codec_format = format;
 205
 206         return cinfo;
 207 }
 208
 209 void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) {
 210         if(cinfo) {
 211                 /* destroy the codec */
 212                 switch(cinfo->codec_format) {
 213                         case CODEC_J2K:
 214                                 j2k_destroy_compress((opj_j2k_t*)cinfo->j2k_handle);
 215                                 break;
 216                         case CODEC_JP2:
 217                                 jp2_destroy_compress((opj_jp2_t*)cinfo->jp2_handle);
 218                                 break;
 219                         case CODEC_JPT:
 220                         case CODEC_UNKNOWN:
 221                         default:
 222                                 break;
 223                 }
 224                 /* destroy the decompressor */
 225                 opj_free(cinfo);
 226         }
 227 }
 228
 229 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
 230         if(parameters) {
 231                 memset(parameters, 0, sizeof(opj_cparameters_t));
 232                 /* default coding parameters */
 233                 parameters->cp_cinema = OFF;
 234                 parameters->max_comp_size = 0;
 235                 parameters->numresolution = 6;
 236                 parameters->cp_rsiz = STD_RSIZ;
 237                 parameters->cblockw_init = 64;
 238                 parameters->cblockh_init = 64;
 239                 parameters->prog_order = LRCP;
 240                 parameters->roi_compno = -1;            /* no ROI */
 241                 parameters->subsampling_dx = 1;
 242                 parameters->subsampling_dy = 1;
 243                 parameters->tp_on = 0;
 244                 parameters->decod_format = -1;
 245                 parameters->cod_format = -1;
 246                 parameters->tcp_rates[0] = 0;
 247                 parameters->tcp_numlayers = 0;
 248     parameters->cp_disto_alloc = 0;
 249                 parameters->cp_fixed_alloc = 0;
 250                 parameters->cp_fixed_quality = 0;
 251
 252 /* UniPG>> */
 253 #ifdef USE_JPWL
 254                 parameters->jpwl_epc_on = OPJ_FALSE;
 255                 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
 256                 {
 257                         int i;
 258                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 259                                 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
 260                                 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
 261                         }
 262                 };
 263                 {
 264                         int i;
 265                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
 266                                 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
 267                                 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
 268                                 parameters->jpwl_pprot[i] = 0; /* absent */
 269                         }
 270                 };
 271                 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
 272                 parameters->jpwl_sens_addr = 0; /* 0 means auto */
 273                 parameters->jpwl_sens_range = 0; /* 0 means packet */
 274                 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
 275                 {
 276                         int i;
 277                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 278                                 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
 279                                 parameters->jpwl_sens_TPH[i] = -1; /* absent */
 280                         }
 281                 };
 282 #endif /* USE_JPWL */
 283 /* <<UniPG */
 284         }
 285 }
 286
 287 void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {
 288         if(cinfo && parameters && image) {
 289                 switch(cinfo->codec_format) {
 290                         case CODEC_J2K:
 291                                 j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);
 292                                 break;
 293                         case CODEC_JP2:
 294                                 jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);
 295                                 break;
 296                         case CODEC_JPT:
 297                         case CODEC_UNKNOWN:
 298                         default:
 299                                 break;
 300                 }
 301         }
 302 }
 303
 304 opj_bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
 305         if (index != NULL)
 306                 opj_event_msg((opj_common_ptr)cinfo, EVT_WARNING, "Set index to NULL when calling the opj_encode function.\n"
 307                 "To extract the index, use the opj_encode_with_info() function.\n"
 308                 "No index will be generated during this encoding\n");
 309         return opj_encode_with_info(cinfo, cio, image, NULL);
 310 }
 311
 312 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) {
 313         if(cinfo && cio && image) {
 314                 switch(cinfo->codec_format) {
 315                         case CODEC_J2K:
 316                                 return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, cstr_info);
 317                         case CODEC_JP2:
 318                                 return opj_jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, cstr_info);
 319                         case CODEC_JPT:
 320                         case CODEC_UNKNOWN:
 321                         default:
 322                                 break;
 323                 }
 324         }
 325         return OPJ_FALSE;
 326 }
 327
 328 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) {
 329         if (cstr_info) {
 330                 int tileno;
 331                 for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
 332                         opj_tile_info_t *tile_info = &cstr_info->tile[tileno];
 333                         opj_free(tile_info->thresh);
 334                         opj_free(tile_info->packet);
 335                         opj_free(tile_info->tp);
 336                 }
 337                 opj_free(cstr_info->tile);
 338                 opj_free(cstr_info->marker);
 339                 opj_free(cstr_info->numdecompos);
 340         }
 341 }