libopenjpeg/openjpeg.c

   1 /*
   2  * Copyright (c) 2005, Herv� 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_includes.h"
  32
  33 /* ---------------------------------------------------------------------- */
  34 #ifdef WIN32
  35 #ifndef OPJ_STATIC
  36 BOOL APIENTRY
  37 DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
  38         switch (ul_reason_for_call) {
  39                 case DLL_PROCESS_ATTACH :
  40                         break;
  41                 case DLL_PROCESS_DETACH :
  42                         break;
  43                 case DLL_THREAD_ATTACH :
  44                 case DLL_THREAD_DETACH :
  45                         break;
  46     }
  47
  48     return TRUE;
  49 }
  50 #endif /* OPJ_STATIC */
  51 #endif /* WIN32 */
  52
  53 /* ---------------------------------------------------------------------- */
  54
  55
  56 const char* OPJ_CALLCONV opj_version() {
  57     return OPENJPEG_VERSION;
  58 }
  59
  60 opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format) {
  61         opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_malloc(sizeof(opj_dinfo_t));
  62         if(!dinfo) return NULL;
  63         dinfo->is_decompressor = true;
  64         switch(format) {
  65                 case CODEC_J2K:
  66                 case CODEC_JPT:
  67                         /* get a J2K decoder handle */
  68                         dinfo->j2k_handle = (void*)j2k_create_decompress((opj_common_ptr)dinfo);
  69                         if(!dinfo->j2k_handle) {
  70                                 opj_free(dinfo);
  71                                 return NULL;
  72                         }
  73                         break;
  74                 case CODEC_JP2:
  75                         /* get a JP2 decoder handle */
  76                         dinfo->jp2_handle = (void*)jp2_create_decompress((opj_common_ptr)dinfo);
  77                         if(!dinfo->jp2_handle) {
  78                                 opj_free(dinfo);
  79                                 return NULL;
  80                         }
  81                         break;
  82                 case CODEC_UNKNOWN:
  83                 default:
  84                         opj_free(dinfo);
  85                         return NULL;
  86         }
  87
  88         dinfo->codec_format = format;
  89
  90         return dinfo;
  91 }
  92
  93 void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo) {
  94         if(dinfo) {
  95                 /* destroy the codec */
  96                 switch(dinfo->codec_format) {
  97                         case CODEC_J2K:
  98                         case CODEC_JPT:
  99                                 j2k_destroy_decompress((opj_j2k_t*)dinfo->j2k_handle);
 100                                 break;
 101                         case CODEC_JP2:
 102                                 jp2_destroy_decompress((opj_jp2_t*)dinfo->jp2_handle);
 103                                 break;
 104                         case CODEC_UNKNOWN:
 105                         default:
 106                                 break;
 107                 }
 108                 /* destroy the decompressor */
 109                 opj_free(dinfo);
 110         }
 111 }
 112
 113 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
 114         if(parameters) {
 115                 memset(parameters, 0, sizeof(opj_dparameters_t));
 116                 /* default decoding parameters */
 117                 parameters->cp_layer = 0;
 118                 parameters->cp_reduce = 0;
 119
 120                 parameters->decod_format = -1;
 121                 parameters->cod_format = -1;
 122 /* UniPG>> */
 123 #ifdef USE_JPWL
 124                 parameters->jpwl_correct = false;
 125                 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
 126                 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
 127 #endif /* USE_JPWL */
 128 /* <<UniPG */
 129         }
 130 }
 131
 132 void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
 133         if(dinfo && parameters) {
 134                 switch(dinfo->codec_format) {
 135                         case CODEC_J2K:
 136                         case CODEC_JPT:
 137                                 j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);
 138                                 break;
 139                         case CODEC_JP2:
 140                                 jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);
 141                                 break;
 142                         case CODEC_UNKNOWN:
 143                         default:
 144                                 break;
 145                 }
 146         }
 147 }
 148
 149 opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
 150         if(dinfo && cio) {
 151                 switch(dinfo->codec_format) {
 152                         case CODEC_J2K:
 153                                 return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio);
 154                         case CODEC_JPT:
 155                                 return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio);
 156                         case CODEC_JP2:
 157                                 return jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio);
 158                         case CODEC_UNKNOWN:
 159                         default:
 160                                 break;
 161                 }
 162         }
 163
 164         return NULL;
 165 }
 166
 167 opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) {
 168         opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_malloc(sizeof(opj_cinfo_t));
 169         if(!cinfo) return NULL;
 170         cinfo->is_decompressor = false;
 171         switch(format) {
 172                 case CODEC_J2K:
 173                         /* get a J2K coder handle */
 174                         cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);
 175                         if(!cinfo->j2k_handle) {
 176                                 opj_free(cinfo);
 177                                 return NULL;
 178                         }
 179                         break;
 180                 case CODEC_JP2:
 181                         /* get a JP2 coder handle */
 182                         cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);
 183                         if(!cinfo->jp2_handle) {
 184                                 opj_free(cinfo);
 185                                 return NULL;
 186                         }
 187                         break;
 188                 case CODEC_JPT:
 189                 case CODEC_UNKNOWN:
 190                 default:
 191                         opj_free(cinfo);
 192                         return NULL;
 193         }
 194
 195         cinfo->codec_format = format;
 196
 197         return cinfo;
 198 }
 199
 200 void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) {
 201         if(cinfo) {
 202                 /* destroy the codec */
 203                 switch(cinfo->codec_format) {
 204                         case CODEC_J2K:
 205                                 j2k_destroy_decompress((opj_j2k_t*)cinfo->j2k_handle);
 206                                 break;
 207                         case CODEC_JP2:
 208                                 jp2_destroy_decompress((opj_jp2_t*)cinfo->jp2_handle);
 209                                 break;
 210                         case CODEC_JPT:
 211                         case CODEC_UNKNOWN:
 212                         default:
 213                                 break;
 214                 }
 215                 /* destroy the decompressor */
 216                 opj_free(cinfo);
 217         }
 218 }
 219
 220 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
 221         if(parameters) {
 222                 memset(parameters, 0, sizeof(opj_cparameters_t));
 223                 /* default coding parameters */
 224                 parameters->numresolution = 6;
 225                 parameters->cblockw_init = 64;
 226                 parameters->cblockh_init = 64;
 227                 parameters->prog_order = LRCP;
 228                 parameters->roi_compno = -1;            /* no ROI */
 229                 parameters->subsampling_dx = 1;
 230                 parameters->subsampling_dy = 1;
 231
 232                 parameters->decod_format = -1;
 233                 parameters->cod_format = -1;
 234 /* UniPG>> */
 235 #ifdef USE_JPWL
 236                 parameters->jpwl_epc_on = false;
 237                 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
 238                 {
 239                         int i;
 240                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 241                                 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
 242                                 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
 243                         }
 244                 };
 245                 {
 246                         int i;
 247                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
 248                                 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
 249                                 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
 250                                 parameters->jpwl_pprot[i] = 0; /* absent */
 251                         }
 252                 };
 253                 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
 254                 parameters->jpwl_sens_addr = 0; /* 0 means auto */
 255                 parameters->jpwl_sens_range = 0; /* 0 means packet */
 256                 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
 257                 {
 258                         int i;
 259                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 260                                 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
 261                                 parameters->jpwl_sens_TPH[i] = -1; /* absent */
 262                         }
 263                 };
 264 #endif /* USE_JPWL */
 265 /* <<UniPG */
 266         }
 267 }
 268
 269 void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {
 270         if(cinfo && parameters && image) {
 271                 switch(cinfo->codec_format) {
 272                         case CODEC_J2K:
 273                                 j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);
 274                                 break;
 275                         case CODEC_JP2:
 276                                 jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);
 277                                 break;
 278                         case CODEC_JPT:
 279                         case CODEC_UNKNOWN:
 280                         default:
 281                                 break;
 282                 }
 283         }
 284 }
 285
 286 bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
 287         if(cinfo && cio && image) {
 288                 switch(cinfo->codec_format) {
 289                         case CODEC_J2K:
 290                                 return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, index);
 291                         case CODEC_JP2:
 292                                 return jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, index);
 293                         case CODEC_JPT:
 294                         case CODEC_UNKNOWN:
 295                         default:
 296                                 break;
 297                 }
 298         }
 299
 300         return false;
 301 }
 302
 303