list video devices via terminal

Question

How do you list a computer's video devices via terminal? Is there a command that lists them?

Answer 1

To list video output devices (e.g. monitors),

$ system_profiler SPDisplaysDataType

To list video input devices (e.g. webcams),

$ system_profiler SPCameraDataType

To get just the device names, filter the list accordingly:

$ system_profiler SPCameraDataType | grep "^    [^ ]" | sed "s/    //" | sed "s/://"

Answer 2

system_profiler