public void Flush()
{
if (!Ready)
{
return;
}
FDevice.FlushStreams();
}
protected override void Generate()
{
FDevice.GetAvailableVideoFrameCount(out FFramesAvailable);
if (FFlush)
{
FFlush = false;
FDevice.FlushStreams();
}
}
public void Flush()
{
if (!Ready)
{
return;
}
WorkerThread.Singleton.PerformBlocking(() =>
{
FDevice.FlushStreams();
});
}
void IDeckLinkInputCallback.VideoInputFrameArrived(IDeckLinkVideoInputFrame videoFrame, IDeckLinkAudioInputPacket audioPacket)
{
if (videoFrame != null)
{
bool inputSignalAbsent = videoFrame.GetFlags().HasFlag(_BMDFrameFlags.bmdFrameHasNoInputSource);
// Detect change in input signal, restart stream when valid stream detected
if (!inputSignalAbsent && m_prevInputSignalAbsent)
{
m_deckLinkInput.StopStreams();
m_deckLinkInput.FlushStreams();
m_deckLinkInput.StartStreams();
}
m_prevInputSignalAbsent = inputSignalAbsent;
// Register video frame received event
var handler = VideoFrameArrivedHandler;
// Check whether there are any subscribers to VideoFrameArrivedHandler
if (handler != null)
{
handler(this, new DeckLinkVideoFrameArrivedEventArgs(videoFrame, inputSignalAbsent));
}
}
if (audioPacket != null)
{
// Register audio packet received event
var handler = AudioPacketArrivedHandler;
// Check whether there are any subscribers to AudioPacketArrivedHandler
if (handler != null)
{
handler(this, new DeckLinkAudioPacketArrivedEventArgs(audioPacket));
}
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(videoFrame);
}
