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graphBuilder[i] = (IGraphBuilder)new FilterGraph();
//Add the Video input device to the graph
hr = graphBuilder[i].AddFilter(theDevice[0], "source filter");
smartTee = new SmartTee() as IBaseFilter;
hr = graphBuilder[i].AddFilter(smartTee, "SmartTee");
DsError.ThrowExceptionForHR(hr);
teeIn = DsFindPin.ByDirection(smartTee, PinDirection.Input, 0);
devCapture = DsFindPin.ByCategory(theDevice[0], PinCategory.Capture, 0);
hr = graphBuilder[i].Connect(devCapture, teeIn);
DsError.ThrowExceptionForHR(hr);
IBaseFilter renderer = new VideoRendererDefault() as IBaseFilter;
hr = graphBuilder[i].AddFilter(renderer, "Renderer");
DsError.ThrowExceptionForHR(hr);
teeOut = DsFindPin.ByDirection(smartTee, PinDirection.Output, 0);
rendererIn = DsFindPin.ByDirection(renderer, PinDirection.Input, 0);
hr = graphBuilder[i].Connect(teeOut, rendererIn);
DsError.ThrowExceptionForHR(hr);
IVideoWindow videoWindow = null;
videoWindow = (IVideoWindow)graphBuilder[i];
Panel pan = null;
if (i == 0)
{
pan = this.panel1;
}
else
{
pan = this.panel2;
}
//Set the owener of the videoWindow to an IntPtr of some sort (the Handle of any control - could be a form / button etc.)
hr = videoWindow.put_Owner(pan.Handle);
DsError.ThrowExceptionForHR(hr);
//Set the style of the video window
hr = videoWindow.put_WindowStyle(WindowStyle.Child | WindowStyle.ClipChildren);
DsError.ThrowExceptionForHR(hr);
// Position video window in client rect of main application window
hr = videoWindow.SetWindowPosition(0, 0,pan.Width, pan.Height);
DsError.ThrowExceptionForHR(hr);
// Make the video window visible
hr = videoWindow.put_Visible(OABool.True);
DsError.ThrowExceptionForHR(hr); |
