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nixos/pipewire: add LV2 plugins option

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Follow-up #282377.

Some packages may want to load LV2 plugins directly from PipeWire config instead, so add another option to accomodate those.
This commit is contained in:
K900 2024-02-26 10:04:45 +03:00
parent fd5473b6f3
commit eb74747f38
1 changed files with 33 additions and 0 deletions
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33
nixos/modules/services/desktops/pipewire/pipewire.nix
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@ -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;