List all devices on windows using ffmpeg
ffmpeg -list_devices true -f dshow -i dummy
and on Linux
v4l2-ctl –list-devices
To get the device capabilites
ffmpeg -f dshow -list_options true -i video="Mobius"
where “Mobius” is the name of the camera.
On the Mac use
ffmpeg -f avfoundation -list_devices true -i ""