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Hopefully this is not too difficult;

I have an Elgato Game Capture HD, which I am using to capture an HDMI signal. What I want to do is take either the onscreen capture window or the USB signal into the computer and use it as a camera on OS X Mountain Lion in ProPresenter 5.

I downloaded Desktop Presenter, but I do not know where the signal from the program is going to, nor do I know if this will even act as a camera.

Any suggestions? It needs to be recognized the same way the FaceTime Camera is recognized (as a camera).

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I do know another called CamTwist, which is free. But it offers up to 720p, and I am not sure of its quality. It is Mountain Lion-compatible though. – Shane Hsu Mar 31 '13 at 17:21
up vote 1 down vote accepted

What you're after is a virtual webcam software, such as ManyCam:

screenshot Draw over your video window or screencast your desktop online with our software for your webcam

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