nixos/{pipewire,wireplumber}: add LADSPA plugin path setup (#508939) (a9e674e5) · Commits · nix / nixpkgs

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

+36 −9

Original line number	Diff line number	Diff line
		@@ -83,6 +83,21 @@ let
		paths = cfg.extraLv2Packages ++ requiredLv2Packages;
		pathsToLink = [ "/lib/lv2" ];
		};

		requiredLadspaPackages = flatten (
		concatMap (p: attrByPath [ "passthru" "requiredLadspaPackages" ] [ ] p) configPackages
		);

		ladspaPlugins = pkgs.buildEnv {
		name = "pipewire-ladspa-plugins";
		paths = cfg.extraLadspaPackages ++ requiredLadspaPackages;
		pathsToLink = [ "/lib/ladspa" ];
		};

		pluginsEnv = {
		LV2_PATH = "${lv2Plugins}/lib/lv2";
		LADSPA_PATH = "${ladspaPlugins}/lib/ladspa";
		};
		in
		{
		meta.teams = [ teams.freedesktop ];
		@@ -286,8 +301,8 @@ in
		List of packages that provide PipeWire configuration, in the form of
		`share/pipewire//.conf` files.

		LV2 dependencies will be picked up from config packages automatically
		via `passthru.requiredLv2Packages`.
		LV2/LADSPA dependencies will be picked up from config packages automatically
		via `passthru.requiredLv2Packages`/`passthru.requiredLadspaPackages`.
		'';
		};

		@@ -306,6 +321,22 @@ in
		[wiki-filter-chain]: https://docs.pipewire.org/page_module_filter_chain.html
		'';
		};

		extraLadspaPackages = mkOption {
		type = listOf package;
		default = [ ];
		example = literalExpression "[ pkgs.noisetorch-ladspa ]";
		description = ''
		List of packages that provide LADSPA plugins in `lib/ladspa` that should
		be made available to PipeWire for [filter chains][wiki-filter-chain].

		Config packages have their required LADSPA plugins added automatically,
		so they don't need to be specified here. Config packages need to set
		`passthru.requiredLadspaPackages` for this to work.

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

		@@ -366,13 +397,9 @@ in
		systemd.user.sockets.pipewire.enable = !cfg.systemWide;
		systemd.user.services.pipewire.enable = !cfg.systemWide;

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

		# Mask pw-pulse if it's not wanted
		systemd.services.pipewire-pulse.enable = cfg.pulse.enable && cfg.systemWide;

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

+45 −21

Original line number	Diff line number	Diff line
		@@ -200,8 +200,8 @@ in
		List of packages that provide WirePlumber configuration, in the form of
		`share/wireplumber//.conf` files.

		LV2 dependencies will be picked up from config packages automatically
		via `passthru.requiredLv2Packages`.
		LV2/LADSPA dependencies will be picked up from config packages automatically
		via `passthru.requiredLv2Packages`/`passthru.requiredLadspaPackages`.
		'';
		};

		@@ -220,6 +220,22 @@ in
		[wiki-filter-chain]: https://docs.pipewire.org/page_module_filter_chain.html
		'';
		};

		extraLadspaPackages = mkOption {
		type = listOf package;
		default = [ ];
		example = literalExpression "[ pkgs.noisetorch-ladspa ]";
		description = ''
		List of packages that provide LADSPA plugins in `lib/ladspa` that should
		be made available to WirePlumber for [filter chains][wiki-filter-chain].

		Config packages have their required LADSPA plugins added automatically,
		so they don't need to be specified here. Config packages need to set
		`passthru.requiredLadspaPackages` for this to work.

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

		@@ -270,6 +286,25 @@ in
		paths = cfg.extraLv2Packages ++ requiredLv2Packages;
		pathsToLink = [ "/lib/lv2" ];
		};

		requiredLadspaPackages = flatten (
		concatMap (p: attrByPath [ "passthru" "requiredLadspaPackages" ] [ ] p) configPackages
		);

		ladspaPlugins = pkgs.buildEnv {
		name = "pipewire-ladspa-plugins";
		paths = cfg.extraLadspaPackages ++ requiredLadspaPackages;
		pathsToLink = [ "/lib/ladspa" ];
		};

		pluginsEnv = {
		XDG_DATA_DIRS = makeSearchPath "share" [
		configs
		cfg.package
		];
		LV2_PATH = "${lv2Plugins}/lib/lv2";
		LADSPA_PATH = "${ladspaPlugins}/lib/ladspa";
		};
		in
		mkIf cfg.enable {
		assertions = [
		@@ -289,25 +324,14 @@ in
		systemd.services.wireplumber.wantedBy = [ "pipewire.service" ];
		systemd.user.services.wireplumber.wantedBy = [ "pipewire.service" ];

		systemd.services.wireplumber.environment = mkIf pwCfg.systemWide {
		systemd.services.wireplumber.environment = mkIf pwCfg.systemWide (
		pluginsEnv
		// {
		# Force WirePlumber to use system dbus.
		DBUS_SESSION_BUS_ADDRESS = "unix:path=/run/dbus/system_bus_socket";
		}
		);

		# Make WirePlumber find our config/script files and lv2 plugins required by those
		# (but also the configs/scripts shipped with WirePlumber)
		XDG_DATA_DIRS = makeSearchPath "share" [
		configs
		cfg.package
		];
		LV2_PATH = "${lv2Plugins}/lib/lv2";
		};

		systemd.user.services.wireplumber.environment = mkIf (!pwCfg.systemWide) {
		XDG_DATA_DIRS = makeSearchPath "share" [
		configs
		cfg.package
		];
		LV2_PATH = "${lv2Plugins}/lib/lv2";
		};
		systemd.user.services.wireplumber.environment = mkIf (!pwCfg.systemWide) pluginsEnv;
		};
		}