/// <summary>
/// SetScreenPreviewCallback
/// </summary>
public void DrawFrame(IDeckLinkVideoFrame theFrame)
{
if (theFrame == null)
{
return;
}
try
{
if (!_Streaming)
{
return;
}
Interlocked.Increment(ref _PreviewCount);
Run(() => previewCount.Text = _PreviewCount.ToString());
_GLHelper.SetFrame(theFrame);
previewBox.MakeCurrent();
_GLHelper.PaintGL();
previewBox.SwapBuffers();
previewBox.Context.MakeCurrent(null);
}
finally
{
Marshal.ReleaseComObject(theFrame);
}
}
void IDeckLinkScreenPreviewCallback.DrawFrame(IDeckLinkVideoFrame theFrame)
{
if (!glIsInitialized)
{
return;
}
// First, pass the frame to the DeckLink screen preview helper
SetTimecode(theFrame);
m_previewHelper.SetFrame(theFrame);
capturedFrames++;
Invalidate();
System.Runtime.InteropServices.Marshal.ReleaseComObject(theFrame);
}