mv: use a function for audiocables

modules/audio/default.nix

@@ -13,6 +13,17 @@ let
     };
     text = builtins.readFile ./linkSinks.sh;
   };
+  nullSink = name: {
+    factory = "adapter";
+    args = {
+      "factory.name" = "support.null-audio-sink";
+      "node.name" = name;
+      "node.description" = name;
+      "media.class" = "Audio/Sink";
+      "audio.position" = "FL,FR";
+      "monitor.channel-volumes" = true;
+    };
+  };
 in 
 {
   services.pulseaudio.enable = false;
@@ -38,50 +49,12 @@ in
       }
     ];
 
-     extraConfig.pipewire."91-virtual-sinks" = {
+     extraConfig.pipewire."91-virtual-sinks"."context.objects" = [
-       "context.objects" = [
+       (nullSink "game")
-        {
+       (nullSink "clementine")
-         factory = "adapter";
+       (nullSink "element")
-         args = {
+       (nullSink "combine")
-          "factory.name" = "support.null-audio-sink";
+     ];
-          "node.name" = "game";
-          "node.description" = "game";
-          "media.class" = "Audio/Sink";
-          "audio.position" = "FL,FR";
-         };
-        }
-        {
-         factory = "adapter";
-         args = {
-          "factory.name" = "support.null-audio-sink";
-          "node.name" = "clementine";
-          "node.description" = "clementine";
-          "media.class" = "Audio/Sink";
-          "audio.position" = "FL,FR";
-         };
-        }
-        {
-         factory = "adapter";
-         args = {
-          "factory.name" = "support.null-audio-sink";
-          "node.name" = "element";
-          "node.description" = "element";
-          "media.class" = "Audio/Sink";
-          "audio.position" = "FL,FR";
-         };
-        }
-        {
-         factory = "adapter";
-         args = {
-          "factory.name" = "support.null-audio-sink";
-          "node.name" = "combine";
-          "node.description" = "combine";
-          "media.class" = "Audio/Sink";
-          "audio.position" = "FL,FR";
-         };
-        }
-       ];
-      };
 
     wireplumber.extraConfig."91-default-sink" = {
       "wireplumber.settings" = {
@@ -112,6 +85,7 @@ in
     };
   };
 
+  # TODO: switch to home manager
   # home-manager.users.djai.home.packages = with pkgs; [
   #   pavucontrol
   #   qpwgraph