How to use a GoPro Hero 8’s firmware webcam mode in linux

GoPro Hero 8 Black in Webcam mode show in Google Meet on Ubuntu 18.04

I’m running Ubuntu 18.04.

1. Install v4l2loopback:

sudo apt-get install v4l2loopback-dkms

2. modprobe it:

sudo modprobe v4l2loopback devices=1 max_buffers=2 exclusive_caps=1 card_label="VirtualCam"

3. Plug in the GoPro with the latest firmware (tested with 2.01). I read that you need a USB3 cable so that’s what I used.

4. GoPro will come up as a network interface. For me its IP was:

You can nmap to find it:


5. Start an ffmpeg stream (note: I could only make ffmpeg work when the GoPro was stopped first):

ffmpeg -fflags nobuffer -f:v mpegts -probesize 8192 -i udp:// -f mpegts -vf format=yuv420p -f v4l2 /dev/video10

Your /dev/video device might be different for your v4l2loopback device.

6. Point your browser at or

You should see the GoPro switch into webcam mode on the front and back screens. If all went well, you’ll have a webcam called “VirtualCam” that will contain the stream.

7. Cycle the GoPro by going to:

Sadly, the latency isn’t very good (I’d guess around 300ms), so I’m not sure it’s all that useful. I tried the Windows beta with my camera and I watched a YouTube video of the official app on Mac, the latency seemed about the same in both cases.

Reddit post with GoPro details