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{ config, lib, pkgs, ... }:
let
pwCfg = config.services.pipewire;
cfg = pwCfg.wireplumber;
pwUsedForAudio = pwCfg.audio.enable;
in
{
meta.maintainers = [ lib.maintainers.k900 ];
options = {
services.pipewire.wireplumber = {
enable = lib.mkOption {
type = lib.types.bool;
default = config.services.pipewire.enable;
defaultText = lib.literalExpression "config.services.pipewire.enable";
description = lib.mdDoc "Whether to enable Wireplumber, a modular session / policy manager for PipeWire";
};
package = lib.mkOption {
type = lib.types.package;
default = pkgs.wireplumber;
defaultText = lib.literalExpression "pkgs.wireplumber";
description = lib.mdDoc "The wireplumber derivation to use.";
};
};
};
config = lib.mkIf cfg.enable {
assertions = [
{
assertion = !config.hardware.bluetooth.hsphfpd.enable;
message = "Using Wireplumber conflicts with hsphfpd, as it provides the same functionality. `hardware.bluetooth.hsphfpd.enable` needs be set to false";
}
];
environment.systemPackages = [ cfg.package ];
environment.etc."wireplumber/main.lua.d/80-nixos.lua" = lib.mkIf (!pwUsedForAudio) {
text = ''
-- Pipewire is not used for audio, so prevent it from grabbing audio devices
alsa_monitor.enable = function() end
'';
};
environment.etc."wireplumber/main.lua.d/80-systemwide.lua" = lib.mkIf config.services.pipewire.systemWide {
text = ''
-- When running system-wide, these settings need to be disabled (they
-- use functions that aren't available on the system dbus).
alsa_monitor.properties["alsa.reserve"] = false
default_access.properties["enable-flatpak-portal"] = false
'';
};
environment.etc."wireplumber/bluetooth.lua.d/80-systemwide.lua" = lib.mkIf config.services.pipewire.systemWide {
text = ''
-- When running system-wide, logind-integration needs to be disabled.
bluez_monitor.properties["with-logind"] = false
'';
};
systemd.packages = [ cfg.package ];
systemd.services.wireplumber.enable = config.services.pipewire.systemWide;
systemd.user.services.wireplumber.enable = !config.services.pipewire.systemWide;
systemd.services.wireplumber.wantedBy = [ "pipewire.service" ];
systemd.user.services.wireplumber.wantedBy = [ "pipewire.service" ];
systemd.services.wireplumber.environment = lib.mkIf config.services.pipewire.systemWide {
# Force wireplumber to use system dbus.
DBUS_SESSION_BUS_ADDRESS = "unix:path=/run/dbus/system_bus_socket";
};
};
}
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