/// <summary>
/// Stops the decoding process. If the decoder is not running
/// this does nothing.
/// </summary>
public void StopDecoding()
{
if (!IsDecoding)
{
return;
}
lock (this)
{
started = false;
}
// Give any currently running threads a chance to break
encodedBuffers.Clear();
decodedBuffers.Clear();
try
{
process.StandardError.Close();
process.StandardInput.Close();
process.StandardOutput.Close();
process.Close();
}
catch (Exception e)
{
Console.WriteLine(e);
}
process = null;
if (readThread != null)
{
readThread.Stop();
readThread = null;
}
if (writeThread != null)
{
writeThread.Stop();
writeThread = null;
}
if (errorThread != null)
{
errorThread.Stop();
errorThread = null;
}
}
/// <summary>
/// Starts the decoding process
/// </summary>
public void StartDecoding()
{
if (IsDecoding)
{
return;
}
lock (this)
{
started = true;
}
totalBytes = 0;
// Create new buffer pools in case old threads are still doing things
encodedBuffers = new BufferPool();
decodedBuffers = new BufferPool();
process = new Process();
process.StartInfo.Arguments = GetFFMpegArguments();
process.StartInfo.FileName = ffmpeg.Path;
process.StartInfo.RedirectStandardInput = true;
process.StartInfo.RedirectStandardError = true;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.UseShellExecute = false;
process.StartInfo.CreateNoWindow = true;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.Start();
readThread = new VideoDecoderReadThread(this, process, decodedBuffers);
writeThread = new VideoDecoderWriteThread(this, process, encodedBuffers);
errorThread = new VideoDecoderErrorThread(this, process);
errorThread.Start();
readThread.Start();
writeThread.Start();
}