Hero8 not delivering on port 8554

[redskate]

Hi and thank you for all this work!

My hero8 - I can access its interface IP from CLI - does not deliver anything on the port 8554, nor 8080
The command http://172.29.174.51/gp/gpControl/execute?p1=gpStream&c1=start delivers "error=0" which I guess means OK
But then with ffplay udp://172.29.174.51:8554 (nor with port 8080) any UDP is delivered.

What should I do in order to get ffplay work and deliver a video out of the camera?

Details:

• GoPro Camera(s): Hero8 with USB = MTP (the value seems not to impact)
• Firmware Version: 02.00
• Steps to reproduce: Start camera and grab UDP (e.g. via VLC)
• Happens every time? [Y/N]: Yes
• OS: gnu/linux (not wifi)

nc -vz -u 172.29.174.51 8554 delivers
Connection to 172.29.174.51 8554 port [udp/*] succeeded!

[karolkadlubowski]

With gopro8 such a command should work:
http://10.5.5.9/gp/gpControl/execute?p1=gpStream&c1=restart