{
  self,
  inputs,
  ...
}: {
  flake.nixosModules.mumble = {
    pkgs,
    lib,
    ...
  }: let
    modules = with self.nixosModules; [
      audio
    ];
  in {
    imports = modules;
    services.murmur = {
      enable = true;
      bandwidth = 540000;
      bonjour = true;
      password = "password";
      autobanTime = 0;
    };

    environment.systemPackages = with pkgs; [
      mumble
    ];

    services.pipewire.extraConfig.pipewire = {
      "97-null-sink" = {
        "context.objects" = [
          {
            factory = "adapter";
            args = {
              "factory.name" = "support.null-audio-sink";
              "node.name" = "Null-Sink";
              "node.description" = "Null Sink";
              "media.class" = "Audio/Sink";
              "audio.position" = "FL,FR";
            };
          }
          {
            factory = "adapter";
            args = {
              "factory.name" = "support.null-audio-sink";
              "node.name" = "Null-Source";
              "node.description" = "Null Source";
              "media.class" = "Audio/Source";
              "audio.position" = "FL,FR";
            };
          }
        ];
      };
      "98-virtual-mic" = {
        "context.modules" = [
          {
            name = "libpipewire-module-loopback";
            args = {
              "audio.position" = "FL,FR";
              "node.description" = "Mumble as Microphone";
              "capture.props" = {
                # Mumble's output node name.
                "node.target" = "Mumble";
                "node.passive" = true;
              };
              "playback.props" = {
                "node.name" = "Virtual-Mumble-Microphone";
                "media.class" = "Audio/Source";
              };
            };
          }
        ];
      };
    };
  };
}