OBS Virtual Camera Fix on Fedora 41

This guide provides steps to set up the OBS Virtual Camera on Fedora 41.

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Prerequisites

Enable RPM Fusion Repositories

RPM Fusion is required for additional software packages. Verify your repository list to ensure RPM Fusion is enabled:

dnf repolist

Example output:

repo id                                                     repo name
fedora                                                      Fedora 41 - x86_64
updates                                                     Fedora 41 - x86_64 - Updates
rpmfusion-free                                              RPM Fusion for Fedora 41 - Free
rpmfusion-nonfree                                           RPM Fusion for Fedora 41 - Nonfree
...

If RPM Fusion is not present in the list, follow the next section to enable it.

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Download and Install RPM Fusion Repositories

You can browse the RPM Fusion repository at the following links:

• RPM Fusion Free Repository
• RPM Fusion Nonfree Repository

Fedora 41 Specific Links

For Fedora 41, download and install the required RPM Fusion packages using these commands:

wget https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-41.noarch.rpm
wget https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-41.noarch.rpm
sudo dnf install ./rpmfusion-free-release-41.noarch.rpm
sudo dnf install ./rpmfusion-nonfree-release-41.noarch.rpm

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Installing OBS and Dependencies

Step 1: Install OBS Studio

If OBS Studio is not installed, install it with the following command:

sudo dnf install obs

Step 2: Install Virtual Camera Dependencies

Install the necessary kernel module and utilities for the virtual camera:

sudo dnf install lsb_release v4l2loopback kmod-v4l2loopback

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Loading and Configuring the Virtual Camera

Step 1: Load the Kernel Module

After installing the dependencies, load the v4l2loopback kernel module with the following commands:

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

Step 2: Configure v4l2loopback

Use v4l2loopback-ctl to further configure the virtual camera:

v4l2loopback-ctl

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Additional Notes

• If you encounter issues during installation or configuration, ensure your system is fully updated:

sudo dnf update

• You may need to reboot your system for changes to take effect.
• Check the status of the v4l2loopback module to confirm it is loaded:

lsmod | grep v4l2loopback

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Resources and Credits

• RPM Fusion Free Repository
• RPM Fusion Nonfree Repository
• Original guide credit: Wains' Blog