43 replies

feat: disable v4l2loopback kmod for Fedo...

Per earlier discussions about PipeWire obsoleting v4l2loopback, I've done a draft PR of this:
https://github.com/ublue-os/akmods/pull/325

GitHub

feat: disable v4l2loopback kmod for Fedora 42+ by bsherman · Pull ...

PipeWire should now provide the features which previously made v4l2loopback necessary. Skip the build for F42+.
Downstreams will need to adopt a similar conditional before we merge this to ensure n...

j0rge•4/11/25, 1:09 AM

I can help test this tomorrow

bshermanOP•4/11/25, 1:10 AM

I can PR this for bluefin and bazzite testing also

bshermanOP•4/11/25, 1:17 AM

might help in testing if you have an F42 without it

bshermanOP•4/11/25, 1:17 AM

I dunno?

j0rge•4/11/25, 1:20 AM

my plan was to start figuring out the pipewire parts first

bshermanOP•4/11/25, 1:20 AM

https://github.com/ublue-os/bluefin/pull/2330

GitHub

feat: remove v4l2loopback and rpmfusion for Fedora 42+ by bsherman ...

PipeWire should now provide the features which previously made v4l2loopback necessary. This removes the v4l2loopback install.
Additionally, this removes rpmfusion as it was only still required to p...

j0rge•4/11/25, 1:20 AM

like if I try it and it doesn't work then we know we gotta keep it

bshermanOP•4/11/25, 1:20 AM

yeah, i can draft this

bshermanOP•4/11/25, 1:21 AM

heh, i mean, right now beta probably doesn't have v4l2loopback anyway, due to rpmfusion failures

j0rge•4/11/25, 1:21 AM

nod

M2•4/11/25, 1:28 AM

I think the main thing people use v4l2loopback for is duplicating their screen as a webcam.

Obs has button for it

j0rge•4/11/25, 1:29 AM

yeah

dreamyuki•4/11/25, 1:32 AM

v4l2loopback is also being used in droidcam
software that can use your phone as a webcam

dreamyuki•4/11/25, 1:33 AM

https://github.com/obsproject/obs-studio/pull/5377

GitHub

PipeWire Virtual Camera by columbarius · Pull Request #5377 · obs...

Description

This MR creates a new plugin exposing the obs video feed as a virtual camera via PipeWire. Additionally it should create a framework to share code between different plugins connecting...

dreamyuki•4/11/25, 1:34 AM

pipewire virtualcam is still a draft since 2021

j0rge•4/11/25, 1:49 AM

I can't get the virtualcam to show up in the flatpak at all

j0rge•4/11/25, 1:49 AM

the button in the screenshots is missing

M2•4/11/25, 1:50 AM

Is v4l2loopback loaded?

dreamyuki•4/11/25, 1:51 AM

https://github.com/obsproject/obs-studio/pull/11906

GitHub

linux-v4l2: Fix virtual camera start failure by stephematician · P...

Skip the 'non-compliant' usage of STREAMON ioctl for V4L2 compliant v4l2loopback module
Description
When starting the virtual camera:

Check the OUTPUT capability is reported for th...