Commit eb74747f authored by K900's avatar K900
Browse files

nixos/pipewire: add LV2 plugins option 

Follow-up #282377.

Some packages may want to load LV2 plugins directly from PipeWire config instead, so add another option to accomodate those.
parent fd5473b6

nixos/modules/services/desktops/pipewire/pipewire.nix

+33 −0
Original line number Diff line number Diff line
@@ -43,6 +43,21 @@ let 
      ++ lib.optionals cfg.wireplumber.enable cfg.wireplumber.configPackages;

    pathsToLink = [ "/share/pipewire" ];

  };



  requiredLv2Packages = lib.flatten

    (

      lib.concatMap

      (p:

        lib.attrByPath ["passthru" "requiredLv2Packages"] [] p

      )

      configPackages

    );



  lv2Plugins = pkgs.buildEnv {

    name = "pipewire-lv2-plugins";

    paths = cfg.extraLv2Packages ++ requiredLv2Packages;

    pathsToLink = [ "/lib/lv2" ];

  };

in {

  meta.maintainers = teams.freedesktop.members ++ [ lib.maintainers.k900 ];
@@ -233,6 +248,21 @@ in { 
          `share/pipewire/*/*.conf` files.

        '';

      };



      extraLv2Packages = lib.mkOption {

        type = lib.types.listOf lib.types.package;

        default = [];

        example = lib.literalExpression "[ pkgs.lsp-plugins ]";

        description = lib.mdDoc ''

          List of packages that provide LV2 plugins in `lib/lv2` that should

          be made available to PipeWire for [filter chains][wiki-filter-chain].



          Config packages have their required LV2 plugins added automatically,

          so they don't need to be specified here.



          [wiki-filter-chain]: https://docs.pipewire.org/page_module_filter_chain.html

        '';

      };

    };

  };
@@ -282,6 +312,9 @@ in { 
    systemd.user.sockets.pipewire.enable = !cfg.systemWide;

    systemd.user.services.pipewire.enable = !cfg.systemWide;



    systemd.services.pipewire.environment.LV2_PATH = lib.mkIf cfg.systemWide "${lv2Plugins}/lib/lv2";

    systemd.user.services.pipewire.environment.LV2_PATH = lib.mkIf (!cfg.systemWide) "${lv2Plugins}/lib/lv2";



    # Mask pw-pulse if it's not wanted

    systemd.user.services.pipewire-pulse.enable = cfg.pulse.enable;

    systemd.user.sockets.pipewire-pulse.enable = cfg.pulse.enable;