seporate mpd broadcasted hosts

hosts/hetzner-vm/services/mpd-broadcast/broadcast.nix

@@ -0,0 +1,11 @@
+{ tree, ... }: {
+  imports = with tree; [
+    # systemwide pulseaudio w/ recv native localhost
+    # to broadcast to all speakers over rtp
+    profiles.sound.pulseaudio.pulse-systemwide
+    profiles.sound.pulseaudio.pulse-recv-native-localhost
+  ] ++ [
+      ./hosts/lappy.nix
+  ];
+
+}

hosts/hetzner-vm/services/mpd-broadcast/hosts/lappy.nix

@@ -0,0 +1,21 @@
+{ ... }:
+let
+  sink_name = "rtp-lappy";
+  description = "Laptop Output";
+  ip_addr = "100.115.10.34";
+in {
+  hardware.pulseaudio = {
+    extraConfig = ''
+      load-module module-null-sink sink_name=${sink_name} sink_properties="device.description='${description}'"
+      load-module module-rtp-send source=${sink_name}.monitor destination_ip=${ip_addr}
+    '';
+  };
+  services.mpd.extraConfig = ''
+    audio_output {
+      type "pulse"
+      name "${description}"
+      target "${sink_name}"
+      server "127.0.0.1"
+    }
+  '';
+}

hosts/hetzner-vm/services/mpd.nix

@@ -1,19 +1,8 @@
 { pkgs, lib, tree, ... }: {
-  imports = with tree; [
-    # systemwide pulseaudio w/ recv native localhost
-    # to broadcast to all speakers over rtp
-    profiles.sound.pulseaudio.pulse-systemwide
-    profiles.sound.pulseaudio.pulse-recv-native-localhost
+  imports = [
+    ./mpd-broadcast/broadcast.nix
   ];
 
-  hardware.pulseaudio = {
-    extraConfig = ''
-      # laptop
-      load-module module-null-sink sink_name=rtp-lappy sink_properties="device.description='Laptop Output'"
-      load-module module-rtp-send source=rtp-lappy.monitor destination_ip=100.115.10.34
-    '';
-  };
-
   environment.systemPackages = with pkgs; [ mpc_cli ];
 
   services.mpd = {
@@ -40,12 +29,6 @@
         always_on       "yes"
         tags            "yes"
       }
-      audio_output {
-        type "pulse"
-        name "Lappy Out"
-        target "rtp-lappy"
-        server "127.0.0.1"
-      }
     '';
   };