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Hello. I have the same problem. Did you find the solution for that? Thanks..

I have a video capture card which has 3 inputs (S-video,Composite,TV). How can I change the input of the capture card in run-time by using OpenCV? I am using Visual Studio 2010 c++ and OpenCV 2.1.

When I try to capture video with "capture = cvCaptureFromCAM(0);", It selects the default input of the capture card. Changing the the index of "cvCaptureFromCAM" (capture = cvCaptureFromCAM(1);) does not solve my problem. Any help would be appreciated. Thank you in advance...