Yes, it is. This camera plugs into a Raspberry Pi 3 Model B housed in the ROV’s main electronics enclosure. I use gstreamer (gst-launch-1.0) to stream video and use MAVLink for remote control over the Fathom X tether system. Topside, I use QGroundControl.
On an older version of Raspbian, I used the companion computer setup script to get gstreamer working:
Here’s a thread that started when I was getting it working the first time:
I think that recent versions of Linux on the RPi might just work with gst-launch-1.0 binaries installed using apt, and you probably don’t have to build from source, but I’m not sure.