Reading Webcam Data in Visual C++

Question

I'm working on a project that reads webcam data and interprets it. It's mostly a learning exercise, to see if I can interface with the camera technology. I do seem to be stuck though. The MSDN has a massive amount of information on the use of WIA, but I cannot seem to bake it down into the classes that I need to access. My question is deceptively simple I suppose, because I've searched all over and I couldn't find an answer I could understand. It's this: How do I get a stream of pixels or even raw data from a Webcam in C++? I would like to use as close to pure C++ as I can get here, but I understand that working with the Windows API is going to require a bit of Visual code. Anyone got any pointers or know of any esoteric, but informative articles on this subject? Thanks alot!

Answer 1

WIA is designed for scanner and cameras. If you need live video WIA would be too slow. You need DirectShow if you want fast live video. There is a DirectShow forum under the Windows Client development category if you need help in that.

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