I've set up a couple of Debian systems lately - one Etch, one Lenny, and I'm seeing one detail of the setup which I don't understand, so I'm hoping someone here can explain.<BR><BR>The loopback device ...

Previously, I looked at using the Linux video loopback system from the command line. The basic trick was simple enough: capture video from a real camera, process it with something like ffmpeg, and ...