obs virtualcam

modules/desktop/default.nix

@@ -28,6 +28,7 @@ in
       ./fonts.nix
       ./firefox.nix
       ./x.nix
+      ./obs.nix
     ];
 
     programs.seahorse.enable = true;

modules/desktop/obs.nix

@@ -0,0 +1,23 @@
+{
+  pkgs,
+  config,
+  ...
+}: {
+  environment.systemPackages = [
+    (pkgs.wrapOBS {
+      plugins = with pkgs.obs-studio-plugins; [
+        wlrobs
+        obs-backgroundremoval
+        obs-pipewire-audio-capture
+      ];
+    })
+  ];
+
+  boot.extraModulePackages = with config.boot.kernelPackages; [
+    v4l2loopback
+  ];
+  boot.extraModprobeConfig = ''
+    options v4l2loopback devices=1 video_nr=1 card_label="OBS Cam" exclusive_caps=1
+  '';
+  security.polkit.enable = true;
+}