public async Task StartAsync()
{
if (!_isDownloadWebcamVideo && !_isDownloadPresentation)
{
throw new Exception("Either Presentaton or Desk-share Video Must Be Selected");
}
if (!Directory.Exists(_outputDirectory))
{
Directory.CreateDirectory(_outputDirectory);
}
Directory.SetCurrentDirectory(_outputDirectory);
bool downloadVideoResponse = false,
downloadPresentationResponse = false,
hasAudio = false;
_webDriver = WebDriverFactory.Create(_webDriverType, _url);
_bigBlueButtonDocumentParser = new BigBlueButtonDocumentParser(_webDriver, Options);
var deskShareVideoName = $"{_outputFileName}-desk";
var webcamVideoName = $"{_outputFileName}-webcam";
var audioOutputName = $"{_outputFileName}-output";
var presentationName = $"{_outputFileName}-presentation";
var tmpPresentationName = $"{_outputFileName}-tmp";
var downloadDeskShareThread = new Thread(() =>
{
if (_isDownloadDeskShareVideo)
{
var response = DownloadVideo(deskShareVideoName).GetAwaiter().GetResult();
downloadVideoResponse = response.IsSuccess;
}
});
var downloadWebcamThread = new Thread(() =>
{
if (_isDownloadWebcamVideo)
{
var response = DownloadWebcam(webcamVideoName).GetAwaiter().GetResult();
hasAudio = response.IsSuccess;
}
});
var downloadPresentationThread = new Thread(() =>
{
if (_isDownloadPresentation)
{
var response = DownloadPresentation(tmpPresentationName).GetAwaiter().GetResult();
downloadPresentationResponse = response.IsSuccess;
}
});
downloadDeskShareThread.Start();
downloadWebcamThread.Start();
downloadPresentationThread.Start();
downloadWebcamThread.Join();
downloadDeskShareThread.Join();
downloadPresentationThread.Join();
if (!downloadVideoResponse && !downloadPresentationResponse)
{
throw new BigBlueButtonDocumentException("Neither Video Nor Presentation Couldn't Be Downloaded.");
}
var audioInputPath = AppDomainHelpers.GetPath(_outputDirectory, webcamVideoName, ".mp4");
var audioOutputPath = AppDomainHelpers.GetPath(_outputDirectory, $"{audioOutputName}", ".mp3");
var deskShareInputPath = AppDomainHelpers.GetPath(_outputDirectory, $"{deskShareVideoName}", ".mp4");
var videoOutputPath = AppDomainHelpers.GetPath(_outputDirectory, _outputFileName, ".mp4");
var presentationOutputPath = AppDomainHelpers.GetPath(_outputDirectory, presentationName, ".mp4");
var tmpPresentationPath = AppDomainHelpers.GetPath(_outputDirectory, tmpPresentationName, ".mp4");
if (downloadVideoResponse)
{
if (hasAudio)
{
await _videoService.ExtractAndAddAudio(audioInputPath, audioOutputPath, deskShareInputPath,
videoOutputPath, _outputDirectory, _isUseMultiThread, true);
}
else
{
File.Move(deskShareInputPath, videoOutputPath, true);
}
}
if (downloadPresentationResponse)
{
if (hasAudio)
{
await _videoService.ExtractAndAddAudio(audioInputPath, audioOutputPath, tmpPresentationPath,
presentationOutputPath, _outputDirectory, _isUseMultiThread, true);
}
else
{
File.Move(tmpPresentationPath, presentationOutputPath, true);
}
}
RemoveTempFiles(
audioOutputName,
deskShareVideoName,
tmpPresentationName
);
_webDriver.Quit();
}
