You can use it with mplayer. Try something like this. Code: mplayer tv:// -tv driver=v4l2:device=/dev/video0 Change /dev/video0. To find all the cameras attached (and working), use: Code: ls /dev/video* /dev/video0 is the back camera /dev/video1 is the front camera and /dev/video2 should be your USB camera.
mplayer tv:// -tv driver=v4l2:device=/dev/video0
ls /dev/video*