[Desktop] Refactor configuration

desktop/multimedia.nix

@@ -2,8 +2,12 @@
 with lib;
 let
   cfg = config.aviallon.desktop;
+  generalCfg = config.aviallon.general;
+  filterConfig = pkgs.callPackage ./pipewire-noise-filter.cfg.nix {
+    noiseFilterStrength = cfg.audio.noise-filter.strength;
+  };
 in {
-  config = mkIf cfg.enable {
+  config = mkIf (cfg.enable && !generalCfg.minimal) {
     environment.systemPackages = with pkgs; [
       ffmpeg-full
       krita
@@ -12,7 +16,62 @@ in {
       yt-dlp
       jellyfin-media-player
 
+      jamesdsp # Audio post-processing
+
       nur.repos.wolfangaukang.vdhcoapp
     ];
+
+
+    # Enable sound.
+    sound.enable = mkOverride 40 false;
+    hardware.pulseaudio.enable = mkOverride 40 false;
+    services.pipewire = {
+      enable = true;
+      pulse.enable = true;
+      jack.enable = true;
+      alsa.enable = true;
+      alsa.support32Bit = mkDefault true;
+      wireplumber.enable = true;
+      config.pipewire-pulse = {
+        "context.exec" = [
+          { path = "pactl"; args = ''load-module module-combine-sink sink_name="Sorties combinées"''; }
+        ];
+      };
+    };
+    environment.etc = {
+    	"wireplumber/bluetooth.lua.d/51-bluez-config.lua".text = ''
+    		bluez_monitor.properties = {
+    			["bluez5.enable-sbc-xq"] = true,
+    			["bluez5.enable-msbc"] = true,
+    			["bluez5.enable-hw-volume"] = true,
+    			["bluez5.headset-roles"] = "[ hsp_hs hsp_ag hfp_hf hfp_ag ]"
+    		}
+    	'';
+    };
+    security.rtkit.enable = true; # Real-time support for pipewire
+
+
+    # Hardware-agnostic audio denoising
+    systemd.user.services.pipewire-noise-filter = mkIf cfg.audio.noise-filter.enable {
+      unitConfig = {
+        Slice = "session.slice";
+      };
+      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";
+    };
+
   };
 }