How to view device list in Mac OS X terminal?

Question

macOS

There is a Thunderbold video streamer. To hook it up with ffmpeg, you need to find out its name in the system, the mount point. What is the command in the terminal? The streamer is defined as a video camera (OBS and other finds it)
PS: Mac OSX El Captain
Found the answer only sound.
ffmpeg -f avfoundation -list_devices true -i ""

[AVFoundation input device @ 0x7f8e2540ef20] AVFoundation video devices:
[AVFoundation input device @ 0x7f8e2540ef20] [0] FaceTime HD camera (integrated)
[AVFoundation input device @ 0x7f8e2540ef20] [1] Capture screen 0
[AVFoundation input device @ 0x7f8e2540ef20] AVFoundation audio devices:
[AVFoundation input device @ 0x7f8e2540ef20] [0] Blackmagic Audio
[AVFoundation input device @ 0x7f8e2540ef20] [1] Built-in Microphone

Answer 1

Understood, found the answer. You need the decklink module.
Installation:
brew install https://github.com/dche/ffmpeg-decklink/raw/master... --with-decklink
View:
and further by the name of the device (I have UltraStudio Mini Recorder):
PS: For google search string:
How to build ffmpeg decklink mac os x