add low latency patch

default.nix

@@ -45,6 +45,12 @@ in {
         description = "Email for git to use";
       };
     };
+
+    sound = mkOption {
+      type = types.bool;
+      default = false;
+      description = "whether to enable sound";
+    };
   };
 
   imports = [

flake.lock

@@ -16,6 +16,45 @@
         "type": "github"
       }
     },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1709336216,
+        "narHash": "sha256-Dt/wOWeW6Sqm11Yh+2+t0dfEWxoMxGBvv3JpIocFl9E=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "f7b3c975cf067e56e7cda6cb098ebe3fb4d74ca2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "nix-gaming": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1710551318,
+        "narHash": "sha256-s1fOcZdpMbPOTuyVpzvN8QXdxS/viYjQ6J+hTR8NGys=",
+        "owner": "fufexan",
+        "repo": "nix-gaming",
+        "rev": "8b46b34b574cd1e6a9a8ded392f5b2f97b1f46a2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "fufexan",
+        "repo": "nix-gaming",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1710451336,
@@ -31,9 +70,28 @@
         "type": "indirect"
       }
     },
+    "nixpkgs-lib": {
+      "locked": {
+        "dir": "lib",
+        "lastModified": 1709237383,
+        "narHash": "sha256-cy6ArO4k5qTx+l5o+0mL9f5fa86tYUX3ozE1S+Txlds=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "1536926ef5621b09bba54035ae2bb6d806d72ac8",
+        "type": "github"
+      },
+      "original": {
+        "dir": "lib",
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "flake-compat": "flake-compat",
+        "nix-gaming": "nix-gaming",
         "nixpkgs": "nixpkgs",
         "utils": "utils"
       }

flake.nix

@@ -8,9 +8,13 @@
     };
     utils.url = "github:numtide/flake-utils";
     nixpkgs.url = "flake:nixpkgs/nixos-unstable";
+    nix-gaming = {
+      url = "github:fufexan/nix-gaming";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
-  outputs = { self, utils, nixpkgs, ... }: let
+  outputs = inputs @ { self, utils, nixpkgs, nix-gaming, ... }: let
     lib = nixpkgs.lib;
     system = "x86_64-linux";
     pkgs = nixpkgs.legacyPackages.${system};

modules/sound.nix

@@ -0,0 +1,28 @@
+{ inputs, pkgs, config, lib, ... }: let
+  cfg = config.grimmShared;
+in {
+  imports = [
+    inputs.nix-gaming.nixosModules.pipewireLowLatency
+  ];
+
+  config = with cfg; lib.mkIf (enable && sound) {
+    sound.enable = true;
+    hardware.pulseaudio.enable = false;
+    security.rtkit.enable = true;
+    services.pipewire = {
+      enable = true;
+      alsa.enable = true;
+      alsa.support32Bit = true;
+      pulse.enable = true;
+      jack.enable = true; # osu uses jack
+      lowLatency.enable = true;
+      systemWide = true; # required for spotifyd as spotifyd runs as the spotifyd user
+    };
+
+    environment.systemPackages = with pkgs; [
+      pavucontrol
+      playerctl
+      pulseaudio
+    ];
+  };
+}