l: switch from pulse to pipewire

lass/2configs/baseX.nix

@@ -10,14 +10,7 @@ in {
     ./urxvt.nix
     ./xdg-open.nix
     ./yubikey.nix
-    {
-      hardware.pulseaudio = {
-        enable = true;
-        systemWide = true;
-      };
-      security.rtkit.enable = true;
-      sound.enableOSSEmulation = false;
-    }
+    ./pipewire.nix
     ./xmonad.nix
     {
       krebs.per-user.lass.packages = [
@@ -50,7 +43,7 @@ in {
     }
   ];
 
-  users.extraUsers.mainUser.extraGroups = [ "audio" "video" ];
+  users.users.mainUser.extraGroups = [ "audio" "video" ];
 
   time.timeZone = "Europe/Berlin";
 

lass/2configs/pipewire.nix

@@ -0,0 +1,72 @@
+{ config, lib, pkgs, ... }:
+# TODO test `alsactl init` after suspend to reinit mic
+{
+  security.rtkit.enable = true;
+
+  hardware.bluetooth = {
+    enable = true;
+    powerOnBoot = true;
+  };
+
+  # autostart with login
+  systemd.user.services.pipewire-pulse = {
+    wantedBy = [ "graphical-session.target" ];
+  };
+
+  environment.systemPackages = with pkgs; [
+    alsaUtils
+    pulseaudioLight
+  ];
+
+  environment.variables.PULSE_SERVER = "localhost:4713";
+  services.pipewire = {
+    enable = true;
+    socketActivation = false;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+    jack.enable = true;
+    # https://gitlab.freedesktop.org/pipewire/pipewire/-/wikis/Migrate-PulseAudio#module-native-protocol-tcp
+    config.pipewire-pulse = {
+      "context.properties" = {
+        "log.level" = 2;
+      };
+      "context.modules" = [
+        {
+          name = "libpipewire-module-rtkit";
+          # args = {
+          #   "nice.level" = -15;
+          #   "rt.prio" = 88;
+          #   "rt.time.soft" = 200000;
+          #   "rt.time.hard" = 200000;
+          # };
+          flags = [ "ifexists" "nofail" ];
+        }
+        { name = "libpipewire-module-protocol-native"; }
+        { name = "libpipewire-module-client-node"; }
+        { name = "libpipewire-module-adapter"; }
+        { name = "libpipewire-module-metadata"; }
+        {
+          name = "libpipewire-module-protocol-pulse";
+          args = {
+            "vm.overrides" = {
+              # "pulse.min.req" = "32/48000";
+              # "pulse.default.req" = "32/48000";
+              # "pulse.max.req" = "32/48000";
+              "pulse.min.quantum" = "1024/48000";
+              # "pulse.max.quantum" = "32/48000";
+            };
+            "server.address" = [
+              "unix:native"
+              "tcp:4713"
+            ];
+          };
+        }
+      ];
+      "stream.properties" = {
+        # "node.latency" = "32/48000";
+        # "resample.quality" = 1;
+      };
+    };
+  };
+}