Accord.Video.DirectShow.VideoCaptureDevice.SetCurrentCrossbarInput C# (CSharp) Method

SetCurrentCrossbarInput() private method

private SetCurrentCrossbarInput ( IAMCrossbar crossbar, VideoInput videoInput ) : void
crossbar IAMCrossbar
videoInput VideoInput
return void
        private void SetCurrentCrossbarInput(IAMCrossbar crossbar, VideoInput videoInput)
        {
            if (videoInput.Type != PhysicalConnectorType.Default)
            {
                int inPinsCount, outPinsCount;

                // gen number of pins in the crossbar
                if (crossbar.get_PinCounts(out outPinsCount, out inPinsCount) == 0)
                {
                    int videoOutputPinIndex = -1;
                    int videoInputPinIndex = -1;
                    int pinIndexRelated;
                    PhysicalConnectorType type;

                    // find index of the video output pin
                    for (int i = 0; i < outPinsCount; i++)
                    {
                        if (crossbar.get_CrossbarPinInfo(false, i, out pinIndexRelated, out type) != 0)
                            continue;

                        if (type == PhysicalConnectorType.VideoDecoder)
                        {
                            videoOutputPinIndex = i;
                            break;
                        }
                    }

                    // find index of the required input pin
                    for (int i = 0; i < inPinsCount; i++)
                    {
                        if (crossbar.get_CrossbarPinInfo(true, i, out pinIndexRelated, out type) != 0)
                            continue;

                        if ((type == videoInput.Type) && (i == videoInput.Index))
                        {
                            videoInputPinIndex = i;
                            break;
                        }
                    }

                    // try connecting pins
                    if ((videoInputPinIndex != -1) && (videoOutputPinIndex != -1) &&
                         (crossbar.CanRoute(videoOutputPinIndex, videoInputPinIndex) == 0))
                    {
                        crossbar.Route(videoOutputPinIndex, videoInputPinIndex);
                    }
                }
            }
        }