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                 parameters->cp_limit_decoding = NO_LIMITATION;
 120
 121                 parameters->decod_format = -1;
 122                 parameters->cod_format = -1;
 123 /* UniPG>> */
 124 #ifdef USE_JPWL
 125                 parameters->jpwl_correct = false;
 126                 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
 127                 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
 128 #endif /* USE_JPWL */
 129 /* <<UniPG */
 130         }
 131 }
 132
 133 void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
 134         if(dinfo && parameters) {
 135                 switch(dinfo->codec_format) {
 136                         case CODEC_J2K:
 137                         case CODEC_JPT:
 138                                 j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);
 139                                 break;
 140                         case CODEC_JP2:
 141                                 jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);
 142                                 break;
 143                         case CODEC_UNKNOWN:
 144                         default:
 145                                 break;
 146                 }
 147         }
 148 }
 149
 150 opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
 151         if(dinfo && cio) {
 152                 switch(dinfo->codec_format) {
 153                         case CODEC_J2K:
 154                                 return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio);
 155                         case CODEC_JPT:
 156                                 return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio);
 157                         case CODEC_JP2:
 158                                 return jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio);
 159                         case CODEC_UNKNOWN:
 160                         default:
 161                                 break;
 162                 }
 163         }
 164
 165         return NULL;
 166 }
 167
 168 opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) {
 169         opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_malloc(sizeof(opj_cinfo_t));
 170         if(!cinfo) return NULL;
 171         cinfo->is_decompressor = false;
 172         switch(format) {
 173                 case CODEC_J2K:
 174                         /* get a J2K coder handle */
 175                         cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);
 176                         if(!cinfo->j2k_handle) {
 177                                 opj_free(cinfo);
 178                                 return NULL;
 179                         }
 180                         break;
 181                 case CODEC_JP2:
 182                         /* get a JP2 coder handle */
 183                         cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);
 184                         if(!cinfo->jp2_handle) {
 185                                 opj_free(cinfo);
 186                                 return NULL;
 187                         }
 188                         break;
 189                 case CODEC_JPT:
 190                 case CODEC_UNKNOWN:
 191                 default:
 192                         opj_free(cinfo);
 193                         return NULL;
 194         }
 195
 196         cinfo->codec_format = format;
 197
 198         return cinfo;
 199 }
 200
 201 void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) {
 202         if(cinfo) {
 203                 /* destroy the codec */
 204                 switch(cinfo->codec_format) {
 205                         case CODEC_J2K:
 206                                 j2k_destroy_decompress((opj_j2k_t*)cinfo->j2k_handle);
 207                                 break;
 208                         case CODEC_JP2:
 209                                 jp2_destroy_decompress((opj_jp2_t*)cinfo->jp2_handle);
 210                                 break;
 211                         case CODEC_JPT:
 212                         case CODEC_UNKNOWN:
 213                         default:
 214                                 break;
 215                 }
 216                 /* destroy the decompressor */
 217                 opj_free(cinfo);
 218         }
 219 }
 220
 221 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
 222         if(parameters) {
 223                 memset(parameters, 0, sizeof(opj_cparameters_t));
 224                 /* default coding parameters */
 225                 parameters->numresolution = 6;
 226                 parameters->cblockw_init = 64;
 227                 parameters->cblockh_init = 64;
 228                 parameters->prog_order = LRCP;
 229                 parameters->roi_compno = -1;            /* no ROI */
 230                 parameters->subsampling_dx = 1;
 231                 parameters->subsampling_dy = 1;
 232
 233                 parameters->decod_format = -1;
 234                 parameters->cod_format = -1;
 235 /* UniPG>> */
 236 #ifdef USE_JPWL
 237                 parameters->jpwl_epc_on = false;
 238                 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
 239                 {
 240                         int i;
 241                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 242                                 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
 243                                 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
 244                         }
 245                 };
 246                 {
 247                         int i;
 248                         for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
 249                                 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
 250                                 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
 251                                 parameters->jpwl_pprot[i] = 0; /* absent */
 252                         }
 253                 };
 254                 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
 255                 parameters->jpwl_sens_addr = 0; /* 0 means auto */
 256                 parameters->jpwl_sens_range = 0; /* 0 means packet */
 257                 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
 258                 {
 259                         int i;
 260                         for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
 261                                 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
 262                                 parameters->jpwl_sens_TPH[i] = -1; /* absent */
 263                         }
 264                 };
 265 #endif /* USE_JPWL */
 266 /* <<UniPG */
 267         }
 268 }
 269
 270 void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {
 271         if(cinfo && parameters && image) {
 272                 switch(cinfo->codec_format) {
 273                         case CODEC_J2K:
 274                                 j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);
 275                                 break;
 276                         case CODEC_JP2:
 277                                 jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);
 278                                 break;
 279                         case CODEC_JPT:
 280                         case CODEC_UNKNOWN:
 281                         default:
 282                                 break;
 283                 }
 284         }
 285 }
 286
 287 bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
 288         if(cinfo && cio && image) {
 289                 switch(cinfo->codec_format) {
 290                         case CODEC_J2K:
 291                                 return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, index);
 292                         case CODEC_JP2:
 293                                 return jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, index);
 294                         case CODEC_JPT:
 295                         case CODEC_UNKNOWN:
 296                         default:
 297                                 break;
 298                 }
 299         }
 300
 301         return false;
 302 }
 303
 304