OBS Studio: Difference between revisions
→Using the Virtual Camera: Adding a note on how to modify your v4l2loopback module config to have additional virtual devices such as you might use to use a DSLR as a webcam with gphoto2 |
added disclaimer for missing hardware acceleration options |
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Plugins are available from the <code>obs-studio-plugins</code> package set. | Plugins are available from the <code>obs-studio-plugins</code> package set. | ||
They can be installed by either | They can be installed by using either the [[NixOS]] or [[Home Manager]] module: | ||
<syntaxhighlight lang="nix"> | <syntaxhighlight lang="nix"> | ||
{ config, pkgs, ... }: | |||
{ | |||
programs.obs-studio = { | |||
enable = true; | |||
# optional Nvidia hardware acceleration | |||
package = ( | |||
pkgs.obs-studio.override { | |||
cudaSupport = true; | |||
} | |||
); | |||
plugins = with pkgs.obs-studio-plugins; [ | plugins = with pkgs.obs-studio-plugins; [ | ||
wlrobs | wlrobs | ||
obs-backgroundremoval | obs-backgroundremoval | ||
obs-pipewire-audio-capture | obs-pipewire-audio-capture | ||
obs-vaapi #optional AMD hardware acceleration | |||
obs-gstreamer | |||
obs-vkcapture | |||
]; | ]; | ||
} | }; | ||
} | |||
</syntaxhighlight> | </syntaxhighlight> | ||
or | or by wrapping the package with <code>wrapOBS</code>: | ||
<syntaxhighlight lang="nix"> | <syntaxhighlight lang="nix">environment.systemPackages = [ | ||
(pkgs.wrapOBS { | |||
plugins = with pkgs.obs-studio-plugins; [ | plugins = with pkgs.obs-studio-plugins; [ | ||
wlrobs | wlrobs | ||
obs-backgroundremoval | obs-backgroundremoval | ||
obs-pipewire-audio-capture | obs-pipewire-audio-capture | ||
obs-vaapi #optional AMD hardware acceleration | |||
obs-gstreamer | |||
obs-vkcapture | |||
]; | ]; | ||
}; | }) | ||
];</syntaxhighlight>'''Package collision''': Including both <code>obs-studio</code> and <code>(pkgs.wrapOBS {...</code> in <code>environment.systemPackages</code> will result in a package collision; if plugins are needed, only include the "wrapped" version, which sets the plugins directory to include Nix-managed plugins (see [https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/video/obs-studio/wrapper.nix pkgs/applications/video/obs-studio/wrapper.nix]. | |||
</syntaxhighlight> | |||
'''Missing hardware acceleration''': Sometimes you need to set "Output Mode" to Advanced in settings Output tab to see the hardware accelerated Video Encoders options. | |||
=== Using the Virtual Camera === | === Using the Virtual Camera === | ||
The virtual camera requires the <code>v4l2loopback</code> [[Linux kernel#Custom kernel modules|kernel module]] to be installed, a loopback device configured, and polkit enabled so OBS can access the virtual device | The virtual camera requires the <code>v4l2loopback</code> [[Linux kernel#Custom kernel modules|kernel module]] to be installed, a loopback device configured, and polkit enabled so OBS can access the virtual device. | ||
<syntaxhighlight lang="nix"> | This can be done in NixOS with:<syntaxhighlight lang="nixos"> | ||
programs.obs-studio.enableVirtualCamera = true; | |||
</syntaxhighlight>Or by setting the kernel options manually, this is useful if you need to add an additional loopback device as shown below:<syntaxhighlight lang="nix"> | |||
{ config, ... }: | { config, ... }: | ||
{ | { | ||