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 37BOOL APIENTRY 38DllMain(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 61const char* OPJ_CALLCONV opj_version(void) { 62 return PACKAGE_VERSION; 63} 64 65opj_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 98void 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 118void 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 139void 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 156opj_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 160opj_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 177opj_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 210void 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 230void 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 288void 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 305opj_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 313opj_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 329void 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} 344