void proxy_NewFrame(object sender, NewFrameEventArgs e)
{
FFMPEGProxy proxy = sender as FFMPEGProxy;
var frame = e.NewFrame;
if (proxy == null || frame == null)
{
return;
}
Dispatcher.Invoke(new Action
(() =>
{
if (!IsBitmapValid(frame))
{
double ratio = proxy.GuessAspectRatio(frame);
if (ratio == 0)
{
ratio = 16 / 9;
}
bitmapFrame = new WriteableBitmap(
frame.Width,
frame.Height, 96, 96 * ratio, PixelFormats.Pbgra32
, null
);
videodest.Source = bitmapFrame;
}
bitmapFrame.Lock();
proxy.CopyToBuffer(frame, bitmapFrame.BackBuffer, bitmapFrame.BackBufferStride);
bitmapFrame.AddDirtyRect(new Int32Rect(0, 0, frame.Width, frame.Height));
bitmapFrame.Unlock();
}));
// e.NewFrame
}
void GuessAspectRatio()
{
FFMPEGProxy testProxy = new FFMPEGProxy();
Assert.ThrowsAny <ArgumentNullException>(() => testProxy.GuessAspectRatio(null));
}
