nixos/services/pipewire.service.nix


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{pkgs, ...}: let
  pw_rnnoise_config = {
    "context.modules" = [
      {
        "name" = "libpipewire-module-filter-chain";
        "args" = {
          "node.description" = "Noise Canceling source";
          "media.name" = "Noise Canceling source";
          "filter.graph" = {
            "nodes" = [
              {
                "type" = "ladspa";
                "name" = "rnnoise";
                "plugin" = "${pkgs.rnnoise-plugin}/lib/ladspa/librnnoise_ladspa.so";
                "label" = "noise_suppressor_stereo";
                "control" = {"VAD Threshold (%)" = 50.0;};
              }
            ];
          };
          "audio.position" = ["FL" "FR"];
          "capture.props" = {
            "node.name" = "effect_input.rnnoise";
            "node.passive" = true;
          };
          "playback.props" = {
            "node.name" = "effect_output.rnnoise";
            "media.class" = "Audio/Source";
          };
        };
      }
    ];
  };
in {
  services.pipewire = {
    enable = true;
    alsa = {
      enable = true;
      support32Bit = true;
    };
    pulse.enable = true;
    jack.enable = true;
    wireplumber.configPackages = [
      (pkgs.writeTextDir
        "share/wireplumber/bluetooth.lua.d/51-bluez-config.lua" ''
          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 ]"
          }
        '')
    ];
    extraConfig.pipewire."99-input-denoising" = pw_rnnoise_config;
  };
}