From 29db2834c01b3d7481906ee6ea43157ee00d8847 Mon Sep 17 00:00:00 2001
From: Evie Litherland-Smith <evie@xenia.me.uk>
Date: Fri, 12 Jan 2024 22:06:16 +0000
Subject: [PATCH] Vanguard: enable v4l2loopback for virtual webcam in OBS

Add obs-backgroundremoval plugin

Enable polkit
---
 home/games/obs/default.nix       | 1 +
 hosts/Vanguard/configuration.nix | 8 +++++++-
 system/desktop.nix               | 5 ++++-
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/home/games/obs/default.nix b/home/games/obs/default.nix
index 9442e36a..e8d31688 100644
--- a/home/games/obs/default.nix
+++ b/home/games/obs/default.nix
@@ -5,6 +5,7 @@
     plugins = with pkgs.obs-studio-plugins; [
       wlrobs
       obs-vkcapture
+      obs-backgroundremoval
       obs-pipewire-audio-capture
       obs-gstreamer
       input-overlay
diff --git a/hosts/Vanguard/configuration.nix b/hosts/Vanguard/configuration.nix
index 8e749cbc..1a4017b4 100644
--- a/hosts/Vanguard/configuration.nix
+++ b/hosts/Vanguard/configuration.nix
@@ -1 +1,7 @@
-{ ... }: { system.autoUpgrade.allowReboot = false; }
+{ config, ... }: {
+  system.autoUpgrade.allowReboot = false;
+  boot.extraModulePackages = with config.boot.kernelPackages; [ v4l2loopback ];
+  boot.extraModprobeConfig = ''
+    options v4l2loopback devices=1 video_nr=1 card_label="OBS Cam" exclusive_caps=1
+  '';
+}
diff --git a/system/desktop.nix b/system/desktop.nix
index a710acfb..f0f47284 100644
--- a/system/desktop.nix
+++ b/system/desktop.nix
@@ -7,7 +7,10 @@
     glib
     gsettings-desktop-schemas
   ];
-  security.rtkit.enable = true;
+  security = {
+    polkit.enable = true;
+    rtkit.enable = true;
+  };
   sound.enable = true;
   hardware = {
     pulseaudio.enable = false;