add low latency pipewire options
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5CE0A245A2DAC84A
@ -100,6 +100,7 @@
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# Use a firewall
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networking.firewall.enable = lib.mkDefault true;
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networking.firewall.allowPing = true;
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networking.firewall.allowedTCPPorts = lib.mkDefault [ 22 ];
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programs.fish.enable = lib.mkDefault true;
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238
modules/ezpw.nix
238
modules/ezpw.nix
@ -5,55 +5,199 @@ let
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in
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{
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options.services.ezpw = {
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enable =
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mkEnableOption
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"Enable pipewire";
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};
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enable = mkEnableOption "Enable pipewire";
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config = 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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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" =
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[ "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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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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xdg.portal.enable = lib.mkDefault true;
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xdg.portal.gtkUsePortal = lib.mkDefault true;
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xdg.portal.extraPortals = lib.mkDefault (with pkgs; [ xdg-desktop-portal-wlr xdg-desktop-portal-gtk ]);
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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 = "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 =
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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" = cfg.rate * (if cfg.usbSoundcard then 2 else 1);
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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" =
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[ "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".text = mkIf cfg.lowLatency ''
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alsa_monitor.properties = {
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["audio.rate"] = ${toString (cfg.rate * (if cfg.usbSoundcard then 2 else 1))},
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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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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.gtkUsePortal = lib.mkDefault true;
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xdg.portal.extraPortals = lib.mkDefault (with pkgs; [ xdg-desktop-portal-wlr xdg-desktop-portal-gtk ]);
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};
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}
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@ -150,7 +150,7 @@ in
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domain = "@users";
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type = "-";
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item = "nice";
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value = "-10";
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value = "-15";
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}
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];
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