FilterGraph fg=new FilterGraph();
VideoCaptureFilter cap=new VideoCaptureFilter(0);
VideoCompressorFilter comp=new VideoCompressorFilter("divx");
BaseFilter nr=new BaseFilter(StandardFilters.NullRenderer);
fg.AddFilter(cap,"Cattura");
fg.AddFilter(comp,"Compressione");
fg.AddFilter(nr,"Null");
fg.Connect(cap.CapturePin,comp.GetPins()[0],cap.CapturePin.GetMediaTypes()[6]);
fg.Connect(comp.GetPins()[1],nr.GetPins()[0]);
fg.Run();