Im running latest beta firmware and cannot get video streaming to work reliably with GoPro Hero 7 Black. There are multiple issues:
Air unit HDMI inputs do work - but not too reliably - sometimes they keep looping on/off (especially when disconnecting/reconnecting camera on the fly or switching cam inputs from apps).
Getting live streaming working is very unreliable. What seems to work best is keeping camera connected to hdmi input but powering it on only after air unit is fully operational.
Switching cam inputs back and forth from Solex/QGroundControl app will make video stream to disappear and very hard to recover. Solex has also cam selector control flapping problem - when trying to switch back to previous camera.
live stream seems to hang very often. Switching to home screen in Solex and rebooting camera seems seems to help to recover sometimes. If that does not work - rebooting everything (air unit, remote unit) helps (remember to turn on camera later than air unit).
Tested modes were 1080p/25/24 and 720p/50.
Any ideas what to check or how to debug it further? @sidbh?