| 328 | } |
| 329 | |
| 330 | void FFmpegVersionHandler::loadFFmpegLibraries() |
| 331 | { |
| 332 | if (this->librariesLoaded) |
| 333 | return; |
| 334 | |
| 335 | // Try to load the ffmpeg libraries from the current working directory and several other |
| 336 | // directories. Unfortunately relative paths like "./" do not work: (at least on windows) |
| 337 | |
| 338 | // First try the specific FFMpeg libraries (if set) |
| 339 | QSettings settings; |
| 340 | settings.beginGroup("Decoders"); |
| 341 | auto avFormatLib = settings.value("FFmpeg.avformat", "").toString(); |
| 342 | auto avCodecLib = settings.value("FFmpeg.avcodec", "").toString(); |
| 343 | auto avUtilLib = settings.value("FFmpeg.avutil", "").toString(); |
| 344 | auto swResampleLib = settings.value("FFmpeg.swresample", "").toString(); |
| 345 | if (!avFormatLib.isEmpty() && // |
| 346 | !avCodecLib.isEmpty() && // |
| 347 | !avUtilLib.isEmpty() && // |
| 348 | !swResampleLib.isEmpty()) |
| 349 | { |
| 350 | this->log("Trying to load the libraries specified in the settings."); |
| 351 | this->librariesLoaded = |
| 352 | loadFFMpegLibrarySpecific(avFormatLib, avCodecLib, avUtilLib, swResampleLib); |
| 353 | } |
| 354 | else |
| 355 | this->log("No ffmpeg libraries were specified in the settings."); |
| 356 | |
| 357 | if (!this->librariesLoaded) |
| 358 | { |
| 359 | // Next, we will try some other paths / options |
| 360 | QStringList possibilites; |
| 361 | auto decoderSearchPath = settings.value("SearchPath", "").toString(); |
| 362 | if (!decoderSearchPath.isEmpty()) |
| 363 | possibilites.append(decoderSearchPath); // Try the specific search path (if one is set) |
| 364 | possibilites.append(QDir::currentPath() + "/"); // Try the current working directory |
| 365 | possibilites.append(QDir::currentPath() + "/ffmpeg/"); |
| 366 | possibilites.append(QCoreApplication::applicationDirPath() + |
| 367 | "/"); // Try the path of the YUView.exe |
| 368 | possibilites.append(QCoreApplication::applicationDirPath() + "/ffmpeg/"); |
| 369 | possibilites.append( |
| 370 | ""); // Just try to call QLibrary::load so that the system folder will be searched. |
| 371 | |
| 372 | for (auto path : possibilites) |
| 373 | { |
| 374 | if (path.isEmpty()) |
| 375 | this->log("Trying to load the libraries in the system path"); |
| 376 | else |
| 377 | this->log("Trying to load the libraries in the path " + path); |
| 378 | |
| 379 | this->librariesLoaded = loadFFmpegLibraryInPath(path); |
| 380 | if (this->librariesLoaded) |
| 381 | break; |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | if (this->librariesLoaded) |
| 386 | this->lib.avutil.av_log_set_callback(&FFmpegVersionHandler::avLogCallback); |
| 387 | } |
no test coverage detected