/// <summary>
/// Pass the nput frame to a frame renderer and ensure proper image format is used
/// </summary>
/// <param name="inputVideoFrame"></param>
/// <param name="useDX"></param>
/// <returns></returns>
public static IAsyncAction RenderFrameAsync(FrameRenderer frameRenderer, VideoFrame inputVideoFrame)
{
return(AsyncInfo.Run(async(token) =>
{
bool useDX = inputVideoFrame.SoftwareBitmap == null;
if (frameRenderer == null)
{
throw (new InvalidOperationException("FrameRenderer is null"));
}
SoftwareBitmap softwareBitmap = null;
if (useDX)
{
softwareBitmap = await SoftwareBitmap.CreateCopyFromSurfaceAsync(inputVideoFrame.Direct3DSurface);
softwareBitmap = SoftwareBitmap.Convert(softwareBitmap, BitmapPixelFormat.Bgra8, BitmapAlphaMode.Premultiplied);
}
else
{
softwareBitmap = new SoftwareBitmap(
inputVideoFrame.SoftwareBitmap.BitmapPixelFormat,
inputVideoFrame.SoftwareBitmap.PixelWidth,
inputVideoFrame.SoftwareBitmap.PixelHeight,
inputVideoFrame.SoftwareBitmap.BitmapAlphaMode);
inputVideoFrame.SoftwareBitmap.CopyTo(softwareBitmap);
}
frameRenderer.RenderFrame(softwareBitmap);
}));
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
_resultframeRenderer = new FrameRenderer(UIResultImage);
_inputFrameRenderer = new FrameRenderer(UIInputImage);
}