OBS Studio Virtual Camera: Failed to start streaming on '/dev/video2'
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Distribution: Arch Linux
OBS Version: 31.0.3
Kernel Version: 6.14.2-arch1-1
v4l2loopback-utils Version: 0.14.0-1
vulkan-radeon Version: 25.0.3-1
> v4l2-ctl --list-devices
OBS Virtual Camera (platform:v4l2loopback-000):
/dev/video2
Laptop Camera: Laptop Camera (usb-0000:c4:00.4-1):
/dev/video0
/dev/video1
/dev/media0
When I click "Start Virtual Camera" on OBS Studio I get the "Failed to start virtual camera" error. Checking the logs, I see "Failed to start streaming on '/dev/video2' (Invalid argument)." I tried downgrading to 0.13.2-1.
> sudo downgrade v4l2loopback-dkms
> sudo downgrade v4l2loopback-utils
> sudo rmmod -f v4l2loopback
> sudo modprobe v4l2loopback
I could start the Virtual Camera, but Google Meet and other conferencing software could not detect my virtual camera anymore. also some other programs need v4l2 so I can no longer keep it in the downgraded state. Are there any fixes other than waiting for OBS to correct their code?
Asked by Hyunbin Yoo
(175 rep)
Apr 16, 2025, 06:48 PM
Last activity: Apr 18, 2025, 05:36 PM
Last activity: Apr 18, 2025, 05:36 PM