nixos-config/profiles/sound/pipewire.nix

{ pkgs, lib, ... }: {
  sound.enable = false;

  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    # jack.enable = true;
    config.pipewire-pulse = {
      "context.modules" = [
        {
          "name" = "libpipewire-module-rtkit";
          "args" = {};
          "flags" = [
            "ifexists"
            "nofail"
          ];
        }
        {
          "name" = "libpipewire-module-protocol-native";
        }
        {
          "name" = "libpipewire-module-client-node";
        }
        {
          "name" = "libpipewire-module-adapter";
        }
        {
          "name" = "libpipewire-module-metadata";
        }
        {
          "name" = "libpipewire-module-protocol-pulse";
          "args" = {
            "server.address" = [
                "unix:native"
                "tcp:127.0.0.1:8888" # IPv4 on a single address
            ];
            "vm.overrides" = {
              "pulse.min.quantum" = "1024/48000";
            };
          };
        }
      ];
    };
    media-session.config.bluez-monitor.rules = [
      {
        # Matches all cards
        matches = [ { "device.name" = "~bluez_card.*"; } ];
        actions = {
          "update-props" = {
            "bluez5.reconnect-profiles" = [ "hfp_hf" "hsp_hs" "a2dp_sink" ];
            "bluez5.hw-volume" = [ "hfp_ag" "hsp_ag" "a2dp_source" "a2dp_sink" ];
            # mSBC is not expected to work on all headset + adapter combinations.
            "bluez5.msbc-support" = true;
            # SBC-XQ is not expected to work on all headset + adapter combinations.
            "bluez5.sbc-xq-support" = true;
          };
        };
      }
      {
        matches = [
          # Matches all sources
          { "node.name" = "~bluez_input.*"; }
          # Matches all outputs
          { "node.name" = "~bluez_output.*"; }
        ];
        actions = {
          "node.pause-on-idle" = false;
        };
      }
    ];
  };

  environment.etc = {
    "wireplumber/bluetooth.lua.d/51-bluez-config.lua".text = ''
      bluez_monitor.properties = {
        ["bluez5.enable-sbc-xq"] = true,
        ["bluez5.enable-msbc"] = true,
        ["bluez5.hw-volume"] = "[ hfp_ag hsp_ag a2dp_source a2dp_sink ]",
        ["bluez5.headset-roles"] = "[ hsp_hs hsp_ag hfp_hf hfp_ag a2dp_sink ]",
        ["bluez5.reconnect-profiles"] = "[ hsp_hs hfp_hf a2dp_sink ]",
      }
    '';
  };

  home-manager.users.alukard.xdg.configFile."wireplumber/bluetooth.lua.d/51-bluez-config.lua".text = ''
    bluez_monitor.properties = {
      ["bluez5.enable-sbc-xq"] = true,
      ["bluez5.enable-msbc"] = true,
      ["bluez5.hw-volume"] = "[ hfp_ag hsp_ag a2dp_source a2dp_sink ]",
      ["bluez5.headset-roles"] = "[ hsp_hs hsp_ag hfp_hf hfp_ag a2dp_sink ]",
      ["bluez5.reconnect-profiles"] = "[ hsp_hs hfp_hf a2dp_sink ]",
    }
  '';
  security.rtkit.enable = true;

  home-manager.users.alukard.home.packages = [ pkgs.pavucontrol pkgs.pulseaudio ];

  hardware.pulseaudio.enable = lib.mkForce false;
  services.jack.jackd.enable = lib.mkForce false;
}