GoPro-Connect.md

What is GoPro Connect (Webcam mode)?

Simply put, it exposes the same APIs available when using the camera via WiFi but over USB Ethernet.

Commands:

Start recording/taking a photo works (see: https://twitter.com/konrad_it/status/1309092303651434498)

NOTE: Issue these commands over IP ending on the .51 octet.

• Webcam mode START: http://172.XX.XXX.51/gp/gpWebcam/START
  • Resolutions:
  • 1080p: http://172.XX.XXX.51/gp/gpWebcam/START?res=1080
  • 720p: http://172.XX.XXX.51/gp/gpWebcam/START?res=720
  • 480p: http://172.XX.XXX.51/gp/gpWebcam/START?res=480
• Webcam mode STOP: http://172.XX.XXX.51/gp/gpWebcam/STOP
• Wide FOV: http://172.XX.XXX.51/gp/gpWebcam/SETTINGS?fov=0
• Linear FOV: http://172.XX.XXX.51/gp/gpWebcam/SETTINGS?fov=4
• Narrow FOV: http://172.XX.XXX.51/gp/gpWebcam/SETTINGS?fov=6
• 1 Mbps Bitrate: http://172.XX.XXX.51/gp/gpWebcam/SETTINGS?bitrate=1000000
• 2 Mbps Bitrate: http://172.XX.XXX.51/gp/gpWebcam/SETTINGS?bitrate=2000000
• 5 Mbps Bitrate: http://172.XX.XXX.51/gp/gpWebcam/SETTINGS?bitrate=5000000

Media browsing:

JSON media list exposed under http://172.XX.XXX.51/gp/gpMediaList

Thumbail endpoint works as well.

Live preview

After Webcam mode START, a live stream will be started and streamed out on UDP port 8554.

VLC command: vlc -vvv --network-caching=300 --sout-x264-preset=ultrafast --sout-x264-tune=zerolatency --sout-x264-vbv-bufsize 0 --sout-transcode-threads 4 --no-audio udp://@:8554

Many thanks to Daryl Stimm from GoPro for making most of the info here public.