private void buttonStart_Click(object sender, EventArgs e)
{
logger.Debug("buttonStart_Click(...)");
var deviceIndex = 0;
var item = comboBoxDevices.SelectedItem;
if (item != null)
{
var device = item as DeckLinkDeviceDescription;
if (device != null)
{
deviceIndex = device.DeviceIndex;
}
}
try
{
OnCaputeStarted();
renderSession = new MediaRenderSession();
deckLinkInput = new DeckLinkInput();
deckLinkInput.CaptureChanged += DeckLinkInput_CaptureChanged;
deckLinkInput.StartCapture(currentDevice, currentDisplayMode);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
OnCaptureStopped();
}
}
protected override void OnClosed(EventArgs e)
{
if (deckLinkInput != null)
{
deckLinkInput.AudioDataArrived -= CurrentDevice_AudioDataArrived;
deckLinkInput.VideoDataArrived -= CurrentDevice_VideoDataArrived;
deckLinkInput.StopCapture();
}
if (renderSession != null)
{
renderSession.Close();
renderSession = null;
}
MediaToolkitManager.Shutdown();
base.OnClosed(e);
}
public void StartCapture(int deviceIndex, long pixelFormat, long displayModeId)
{
logger.Debug("IDeckLinkInputControl::StartCapture(...) " + string.Join(" ", deviceIndex, pixelFormat, displayModeId));
try
{
DeviceIndex = deviceIndex;
windowHandle = this.Handle;
renderSession = new MediaRenderSession();
deckLinkInput = new DeckLinkInput();
deckLinkInput.CaptureChanged += DeckLinkInput_CaptureChanged;
deckLinkInput.VideoDataArrived += CurrentDevice_VideoDataArrived;
deckLinkInput.AudioDataArrived += CurrentDevice_AudioDataArrived;
deckLinkInput.StartCapture(deviceIndex, pixelFormat, displayModeId);
}
catch (Exception ex)
{
logger.Error(ex);
renderSession?.Close();
if (deckLinkInput != null)
{
deckLinkInput.VideoDataArrived -= CurrentDevice_VideoDataArrived;
deckLinkInput.AudioDataArrived -= CurrentDevice_AudioDataArrived;
deckLinkInput.CaptureChanged -= DeckLinkInput_CaptureChanged;
deckLinkInput.Shutdown();
deckLinkInput = null;
}
throw;
}
}
