How do I render 3d model into directshow virtual camera output

Posted by Mr Bell on Stack Overflow See other posts from Stack Overflow or by Mr Bell
Published on 2010-04-13T15:47:57Z Indexed on 2010/04/13 16:13 UTC
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I want to provide a virtual webcam via DirectShow that will use the video feed from an existing camera running some tracking software against it to find the users face and then overlay a 3d model oriented just that it appears to move the users face. I am using a third party api to do the face tracking and thats working great. I get position and rotation data from that api.

My question is whats the best way to render the 3d model and get into the video feed and out to direct show?

I am using c++ on windows xp.

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