TIEDirectShow.GetVideoRenderNativeSize
Declaration
procedure GetVideoRenderNativeSize(var Width: integer; var Height: integer);
Description
Returns the video frame size when
RenderVideo is true.
You should set the background bitmap to the same size.
TImageEnView.IO.DShowParams.GetVideoRenderNativeSize(w, h);
TImageEnView.Proc.ImageResize(w, h);