[Desktop/Multimedia] fix pipewire-noise-filter (and make it visible in outputs selection)

desktop/multimedia.nix

@@ -4,7 +4,7 @@ let
   cfg = config.aviallon.desktop;
   generalCfg = config.aviallon.general;
 
-  filterConfig = pkgs.callPackage ./pipewire-noise-filter.cfg.nix {
+  filterConfig = pkgs.callPackage ./pipewire/pipewire-noise-filter.conf.nix {
     noiseFilterStrength = cfg.audio.noise-filter.strength;
   };
 
@@ -84,25 +84,33 @@ in {
 
 
     # Hardware-agnostic audio denoising
-    systemd.user.services.pipewire-noise-filter = mkIf cfg.audio.noise-filter.enable {
-      unitConfig = {
-        Slice = "session.slice";
+    systemd.user.services = let
+      mkPipewireModule = {conf, description}: {
+        unitConfig = {
+          Slice = "session.slice";
+        };
+        serviceConfig = {
+          ExecStart = [
+            "${pkgs.pipewire}/bin/pipewire -c ${conf}"
+          ];
+          Type = "simple";
+          Restart = "on-failure";
+        };
+        bindsTo = [ "pipewire.service" ];
+        after = [ "pipewire.service" ];
+        environment = {
+          PIPEWIRE_DEBUG = "3";
+        };
+        wantedBy = [ "pipewire.service" ];
+        inherit description;
       };
-      serviceConfig = {
-        ExecStart = [
-          "${pkgs.pipewire}/bin/pipewire -c ${filterConfig}"
-        ];
-        Type = "simple";
-        Restart = "on-failure";
-      };
-      bindsTo = [ "pipewire.service" ];
-      after = [ "pipewire.service" ];
-      environment = {
-        PIPEWIRE_DEBUG = "3";
-      };
-      enable = cfg.audio.noise-filter.strength > 0.0;
-      wantedBy = [ "pipewire.service" ];
-      description = "Pipewire Noise Filter";
+    in {
+      pipewire-noise-filter = mkIf cfg.audio.noise-filter.enable (
+        (mkPipewireModule { conf = filterConfig; description = "Pipewire Noise Filter"; }) //
+        {
+          enable = cfg.audio.noise-filter.strength > 0.0;
+        }
+      );
     };
 
   };