How to let user select a video recording device (web-cam) with OpenCV?

Question

So what I need is something like capture devices list.

And some function to get from user on which device he wants to stream.

How to do such thing with open

Answer 1

Try using some OS functions to enumerate webcams. It might take some work, but this approach will guarantee that you get a list every time (unlike the OpenCV hack, which sometimes doesn't work, for some reason).