224 lines
6.6 KiB
Nix
224 lines
6.6 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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with lib; let
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cfg = config.services.ezpw;
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in {
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options.services.ezpw = {
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enable = mkEnableOption "Enable pipewire";
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lowLatency = mkOption {
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type = types.bool;
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description = "Enable low latency configuration";
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default = true;
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};
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usbSoundcard = mkOption {
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type = types.bool;
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description = "Doubles the audio rate for alsa outputs in low latency mode";
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default = false;
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};
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periodSize = mkOption {
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type = types.int;
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description = ''
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Pipewire period size in low latency mode ("tweak by trial-and-error")'';
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default = 32;
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};
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rate = mkOption {
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type = types.int;
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description = "Pipewire rate in low latency mode";
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default = 48000;
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};
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quantum = mkOption {
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type = types.int;
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description = "Pipewire quantum in low latency mode";
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default = 64;
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};
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};
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config = let
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qr = "${toString cfg.quantum}/${toString cfg.rate}";
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in
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mkIf cfg.enable {
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hardware.pulseaudio.enable = lib.mkDefault false;
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sound.enable = lib.mkDefault false;
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services.pipewire = {
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enable = lib.mkDefault true;
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jack.enable = lib.mkDefault true;
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alsa.enable = lib.mkDefault true;
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alsa.support32Bit = lib.mkDefault true;
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pulse.enable = lib.mkDefault true;
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media-session.enable = lib.mkDefault false;
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wireplumber.enable = lib.mkDefault true;
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config = mkIf cfg.lowLatency {
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pipewire = {
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"context.properties" = {
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"default.clock.rate" = cfg.rate;
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"default.clock.quantum" = cfg.quantum;
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"default.clock.min-quantum" = cfg.quantum;
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};
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"context.modules" = [
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{
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name = "libpipewire-module-rtkit";
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args = {
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"nice.level" = -11;
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"rt.prio" = 88;
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"rt.time.soft" = 200000;
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"rt.time.hard" = 200000;
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};
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flags = ["ifexists" "nofail"];
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}
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{name = "libpipewire-module-protocol-native";}
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{name = "libpipewire-module-profiler";}
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{name = "libpipewire-module-metadata";}
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{name = "libpipewire-module-spa-device-factory";}
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{name = "libpipewire-module-spa-node-factory";}
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{name = "libpipewire-module-client-node";}
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{name = "libpipewire-module-client-device";}
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{
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name = "libpipewire-module-portal";
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flags = ["ifexists" "nofail"];
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}
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{
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name = "libpipewire-module-access";
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args = {};
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}
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{name = "libpipewire-module-adapter";}
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{name = "libpipewire-module-link-factory";}
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{name = "libpipewire-module-session-manager";}
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];
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};
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pipewire-pulse = {
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"context.modules" = [
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{
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name = "libpipewire-module-rtkit";
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args = {
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"nice.level" = -11;
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"rt.prio" = 88;
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"rt.time.soft" = 200000;
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"rt.time.hard" = 200000;
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};
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flags = ["ifexists" "nofail"];
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}
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{name = "libpipewire-module-protocol-native";}
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{name = "libpipewire-module-client-node";}
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{name = "libpipewire-module-adapter";}
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{name = "libpipewire-module-metadata";}
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{
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name = "libpipewire-module-protocol-pulse";
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args = {
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"pulse.min.req" = qr;
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"pulse.default.req" = qr;
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"pulse.min.quantum" = qr;
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"server.address" = ["unix:native"];
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};
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}
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];
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"stream.properties" = {
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"node.latency" = qr;
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"resample.quality" = 1;
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};
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};
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};
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media-session.config.alsa-monitor = mkIf cfg.lowLatency {
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rules = [
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{
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matches = [{node.name = "alsa_output.*";}];
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actions = {
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update-props = {
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"audio.format" = "S32LE";
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"audio.rate" =
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cfg.rate
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* (
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if cfg.usbSoundcard
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then 2
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else 1
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);
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"api.alsa.period-size" = cfg.periodSize;
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};
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};
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}
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];
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};
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media-session.config.bluez-monitor = {
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properties = {
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"bluez5.codecs" = ["sbc" "aac" "ldac" "aptx" "aptx_hd"];
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"bluez5.mdbc-support" = true;
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};
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rules = [
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{
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actions = {
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update-props = {
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"bluez5.auto-connect" = ["hsp_hs" "hfp_hf" "a2dp_sink"];
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"bluez5.hw-volume" = ["hsp_ag" "hfp_ag" "a2dp_source" "a2dp_sink"];
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"bluez5.autoswitch-profile" = true;
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};
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};
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matches = [{"device.name" = "~bluez_card.*";}];
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}
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{
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actions = {update-props = {"node.pause-on-idle" = false;};};
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matches = [
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{"node.name" = "~bluez_input.*";}
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{"node.name" = "~bluez_output.*";}
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];
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}
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];
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};
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};
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environment.systemPackages = with pkgs; [
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# pactl is required for pipewire-pulse
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pulseaudio
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];
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environment.etc."wireplumber/main.lua.d/51-alsa-config.lua" = mkIf cfg.lowLatency {
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text = ''
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alsa_monitor.properties = {
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["audio.rate"] = ${
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toString (cfg.rate
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* (
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if cfg.usbSoundcard
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then 2
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else 1
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))
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},
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["audio.format"] = "S32LE",
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["api.alsa.headroom"] = 512,
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["api.alsa.period-size"] = ${toString cfg.periodSize}
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}
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'';
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};
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environment.etc."wireplumber/bluetooth.lua.d/51-bluez-config.lua".text = ''
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bluez_monitor.properties = {
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["bluez5.enable-sbc-xq"] = true,
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["bluez5.enable-msbc"] = true,
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["bluez5.enable-hw-volume"] = true,
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["bluez5.headset-roles"] = "[ hsp_hs hsp_ag hfp_hf hfp_ag ]"
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}
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'';
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xdg.portal.enable = lib.mkDefault true;
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xdg.portal.extraPortals = lib.mkDefault (with pkgs; [
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xdg-desktop-portal-gnome
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xdg-desktop-portal-wlr
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xdg-desktop-portal-gtk
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]);
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};
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}
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