private IImageCompression GetImageCompression(ImageCompressionType compressionType)
{
if (_compressionType == compressionType && _currentImageCompression != null)
{
return(_currentImageCompression);
}
_currentImageCompression?.Dispose();
_compressionType = compressionType;
switch (compressionType)
{
case ImageCompressionType.ManagedJpg:
return(_currentImageCompression = new JpgCompression(70));
case ImageCompressionType.TurboJpg:
return(_currentImageCompression = new TurboJpgImageCompression(false));
case ImageCompressionType.NoCompression:
return(_currentImageCompression = new NoCompression());
default:
throw new ArgumentOutOfRangeException(nameof(compressionType), compressionType, null);
}
}
public UnsafeStreamCodec(IImageCompression imageCompression, UnsafeStreamCodecParameters parameters)
{
_sendFullImage = (parameters & UnsafeStreamCodecParameters.UpdateImageEveryTwoSeconds) ==
UnsafeStreamCodecParameters.UpdateImageEveryTwoSeconds;
_keepCompressor = (parameters & UnsafeStreamCodecParameters.DontDisposeImageCompressor) ==
UnsafeStreamCodecParameters.DontDisposeImageCompressor;
if (_sendFullImage)
{
_fullImageStopwatch = Stopwatch.StartNew();
}
_checkBlock = new Size(50, 1);
ImageCompression = imageCompression;
ImageQuality = 70;
}
private async Task Stop(bool remoteCancelled)
{
if (!IsStreaming)
{
return;
}
if (!remoteCancelled)
{
await ConnectionInfo.SendCommand(this, (byte)RemoteDesktopCommunication.Stop);
}
//important, else dead lock because this is UI thread and lock invokdes into UI thread -> block
await Task.Run(() =>
{
lock (_updateLock)
{
IsStreaming = false;
}
});
FramesPerSecond = 0;
_framesReceived = 0;
_cursorStreamCodec?.Dispose();
_streamCodec?.Dispose();
_currentImageCompression?.Dispose();
_remoteConnection?.Dispose();
_remoteConnection = null;
_currentImageCompression = null;
_cursorStreamCodec = null;
_streamCodec = null;
LogService.Send((string)Application.Current.Resources["StopRemoteDesktop"]);
}
