private void DisplayVideoFrameFromFile(string inputFileName)
{
BitmapData playbackBitmapData = null;
Bitmap playbackBitmap = new Bitmap(inputFileName);
try
{
var rect = new Rectangle(0, 0, playbackBitmap.Width, playbackBitmap.Height);
// If in case storage is not 32bpp, then perform pixel format conversion
if ((playbackBitmap.PixelFormat != PixelFormat.Format32bppArgb) && (playbackBitmap.PixelFormat != PixelFormat.Format32bppRgb))
{
playbackBitmap = playbackBitmap.Clone(rect, PixelFormat.Format32bppArgb);
}
playbackBitmapData = playbackBitmap.LockBits(rect, ImageLockMode.ReadOnly, playbackBitmap.PixelFormat);
// Create BGRA32 video frame based on bitmap data
var playbackFrame = new Bgra32VideoFrame(playbackBitmap.Width, playbackBitmap.Height, _BMDFrameFlags.bmdFrameFlagDefault, playbackBitmapData.Scan0);
m_selectedPlaybackDevice.DisplayVideoFrame((IDeckLinkVideoFrame)playbackFrame);
}
finally
{
if (playbackBitmap != null)
{
playbackBitmap.UnlockBits(playbackBitmapData);
playbackBitmap.Dispose();
}
}
}
public IDeckLinkVideoFrame ConvertFrame(IDeckLinkVideoFrame srcFrame)
{
IDeckLinkVideoFrame dstFrame;
// Check whether srcFrame is already bmdFormat8BitBGRA
if (srcFrame.GetPixelFormat() == _BMDPixelFormat.bmdFormat8BitBGRA)
{
dstFrame = srcFrame;
}
else
{
dstFrame = new Bgra32VideoFrame(srcFrame.GetWidth(), srcFrame.GetHeight(), srcFrame.GetFlags()) as IDeckLinkVideoFrame;
m_deckLinkConversion.ConvertFrame(srcFrame, dstFrame);
}
return(dstFrame);
}