os/core/audio.nix


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{
  config,
  lib,
  pkgs,
  ...
}:
let
  cfg = config.os.core.audio;
  toggleMuteNotify = pkgs.writeShellScriptBin "toggle-mute-notify" ''
    IS_MUTED=$(${pkgs.wireplumber}/bin/wpctl get-volume @DEFAULT_AUDIO_SOURCE@ | grep -c "MUTED")

    if [ "$IS_MUTED" -eq 1 ]; then
        ${pkgs.libnotify}/bin/notify-send -a "MuteIndicator" -t 0 -u critical "Microphone Muted" "Mic is currently OFF"
    else
        ${pkgs.mako}/bin/makoctl dismiss -a "MuteIndicator"
    fi
  '';
in
{
  options.os.core.audio = {
    enable = lib.mkEnableOption "audio support";
    disable-devices.enable = lib.mkEnableOption "disables some random devices cluttering up";
  };

  config = lib.mkMerge [
    (lib.mkIf cfg.enable {
      services = {
        pipewire = {
          enable = true;
          audio.enable = true;
          pulse.enable = true;
          alsa.enable = true;
          alsa.support32Bit = true;
          jack.enable = true;
          wireplumber.enable = true;
        };
        playerctld.enable = true;
        spotifyd.enable = true;
      };

      security.rtkit.enable = true;
      environment.systemPackages = with pkgs; [
        toggleMuteNotify
        pulsemixer
        crosspipe
        alsa-utils
      ];
    })

    (lib.mkIf cfg.disable-devices.enable {
      services.pipewire.wireplumber.extraConfig = {
        "99-disable-useless-devices"."monitor.alsa.rules" = [
          {
            matches = [
              { "device.name" = "~alsa_card.pci-0000_03_00.1*"; }
              { "device.description" = "~USB Audio*"; }
            ];
            actions.update-props = {
              "device.disabled" = true;
            };
          }
        ];
      };
    })
  ];
}