232 lines
8.7 KiB
Nix
232 lines
8.7 KiB
Nix
# pipewire service.
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.pipewire;
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enable32BitAlsaPlugins = cfg.alsa.support32Bit
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&& pkgs.stdenv.isx86_64
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&& pkgs.pkgsi686Linux.pipewire != null;
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# The package doesn't output to $out/lib/pipewire directly so that the
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# overlays can use the outputs to replace the originals in FHS environments.
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#
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# This doesn't work in general because of missing development information.
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jack-libs = pkgs.runCommand "jack-libs" {} ''
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mkdir -p "$out/lib"
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ln -s "${cfg.package.jack}/lib" "$out/lib/pipewire"
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'';
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prioritizeNativeProtocol = {
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"context.modules" = {
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# Most other modules depend on this, so put it first
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"libpipewire-module-protocol-native" = {
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_priority = -100;
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_content = null;
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};
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};
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};
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fixDaemonModulePriorities = {
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"context.modules" = {
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# Most other modules depend on thism so put it first
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"libpipewire-module-protocol-native" = {
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_priority = -100;
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_content = null;
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};
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# Needs to be before libpipewire-module-access
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"libpipewire-module-portal" = {
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_priority = -50;
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_content = {
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flags = [
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"ifexists"
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"nofail"
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];
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};
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};
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};
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};
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# Use upstream config files passed through spa-json-dump as the base
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# Patched here as necessary for them to work with this module
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defaults = {
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client = recursiveUpdate (builtins.fromJSON (builtins.readFile ./client.conf.json)) prioritizeNativeProtocol;
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client-rt = recursiveUpdate (builtins.fromJSON (builtins.readFile ./client-rt.conf.json)) prioritizeNativeProtocol;
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jack = recursiveUpdate (builtins.fromJSON (builtins.readFile ./jack.conf.json)) prioritizeNativeProtocol;
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# Remove session manager invocation from the upstream generated file, it points to the wrong path
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pipewire = recursiveUpdate (builtins.fromJSON (builtins.readFile ./pipewire.conf.json)) fixDaemonModulePriorities;
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pipewire-pulse = recursiveUpdate (builtins.fromJSON (builtins.readFile ./pipewire-pulse.conf.json)) prioritizeNativeProtocol;
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};
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# Helpers for generating the pipewire JSON config file
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mkSPAValueString = v:
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if builtins.isList v then "[${lib.concatMapStringsSep " " mkSPAValueString v}]"
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else if lib.types.attrs.check v then
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"{${lib.concatStringsSep " " (mkSPAKeyValue v)}}"
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else if builtins.isString v then "\"${lib.generators.mkValueStringDefault { } v}\""
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else lib.generators.mkValueStringDefault { } v;
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mkSPAKeyValue = attrs: map (def: def.content) (
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lib.sortProperties
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(
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lib.mapAttrsToList
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(k: v: lib.mkOrder (v._priority or 1000) "${lib.escape [ "=" ] k} = ${mkSPAValueString (v._content or v)}")
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attrs
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)
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);
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toSPAJSON = attrs: lib.concatStringsSep "\n" (mkSPAKeyValue attrs);
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in {
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meta = {
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maintainers = teams.freedesktop.members;
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};
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###### interface
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options = {
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services.pipewire = {
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enable = mkEnableOption "pipewire service";
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package = mkOption {
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type = types.package;
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default = pkgs.pipewire;
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defaultText = "pkgs.pipewire";
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example = literalExample "pkgs.pipewire";
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description = ''
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The pipewire derivation to use.
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'';
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};
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socketActivation = mkOption {
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default = true;
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type = types.bool;
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description = ''
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Automatically run pipewire when connections are made to the pipewire socket.
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'';
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};
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config = {
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client = mkOption {
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type = types.attrs;
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default = {};
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description = ''
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Configuration for pipewire clients. For details see
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https://gitlab.freedesktop.org/pipewire/pipewire/-/blob/${cfg.package.version}/src/daemon/client.conf.in
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'';
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};
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client-rt = mkOption {
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type = types.attrs;
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default = {};
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description = ''
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Configuration for realtime pipewire clients. For details see
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https://gitlab.freedesktop.org/pipewire/pipewire/-/blob/${cfg.package.version}/src/daemon/client-rt.conf.in
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'';
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};
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jack = mkOption {
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type = types.attrs;
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default = {};
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description = ''
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Configuration for the pipewire daemon's jack module. For details see
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https://gitlab.freedesktop.org/pipewire/pipewire/-/blob/${cfg.package.version}/src/daemon/jack.conf.in
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'';
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};
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pipewire = mkOption {
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type = types.attrs;
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default = {};
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description = ''
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Configuration for the pipewire daemon. For details see
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https://gitlab.freedesktop.org/pipewire/pipewire/-/blob/${cfg.package.version}/src/daemon/pipewire.conf.in
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'';
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};
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pipewire-pulse = mkOption {
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type = types.attrs;
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default = {};
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description = ''
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Configuration for the pipewire-pulse daemon. For details see
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https://gitlab.freedesktop.org/pipewire/pipewire/-/blob/${cfg.package.version}/src/daemon/pipewire-pulse.conf.in
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'';
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};
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};
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alsa = {
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enable = mkEnableOption "ALSA support";
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support32Bit = mkEnableOption "32-bit ALSA support on 64-bit systems";
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};
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jack = {
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enable = mkEnableOption "JACK audio emulation";
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};
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pulse = {
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enable = mkEnableOption "PulseAudio server emulation";
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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assertions = [
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{
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assertion = cfg.pulse.enable -> !config.hardware.pulseaudio.enable;
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message = "PipeWire based PulseAudio server emulation replaces PulseAudio. This option requires `hardware.pulseaudio.enable` to be set to false";
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}
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{
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assertion = cfg.jack.enable -> !config.services.jack.jackd.enable;
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message = "PipeWire based JACK emulation doesn't use the JACK service. This option requires `services.jack.jackd.enable` to be set to false";
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}
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];
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environment.systemPackages = [ cfg.package ]
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++ lib.optional cfg.jack.enable jack-libs;
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systemd.packages = [ cfg.package ]
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++ lib.optional cfg.pulse.enable cfg.package.pulse;
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# PipeWire depends on DBUS but doesn't list it. Without this booting
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# into a terminal results in the service crashing with an error.
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systemd.user.sockets.pipewire.wantedBy = lib.mkIf cfg.socketActivation [ "sockets.target" ];
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systemd.user.sockets.pipewire-pulse.wantedBy = lib.mkIf (cfg.socketActivation && cfg.pulse.enable) ["sockets.target"];
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systemd.user.services.pipewire.bindsTo = [ "dbus.service" ];
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services.udev.packages = [ cfg.package ];
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# If any paths are updated here they must also be updated in the package test.
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environment.etc."alsa/conf.d/49-pipewire-modules.conf" = mkIf cfg.alsa.enable {
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text = ''
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pcm_type.pipewire {
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libs.native = ${cfg.package.lib}/lib/alsa-lib/libasound_module_pcm_pipewire.so ;
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${optionalString enable32BitAlsaPlugins
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"libs.32Bit = ${pkgs.pkgsi686Linux.pipewire.lib}/lib/alsa-lib/libasound_module_pcm_pipewire.so ;"}
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}
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ctl_type.pipewire {
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libs.native = ${cfg.package.lib}/lib/alsa-lib/libasound_module_ctl_pipewire.so ;
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${optionalString enable32BitAlsaPlugins
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"libs.32Bit = ${pkgs.pkgsi686Linux.pipewire.lib}/lib/alsa-lib/libasound_module_ctl_pipewire.so ;"}
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}
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'';
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};
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environment.etc."alsa/conf.d/50-pipewire.conf" = mkIf cfg.alsa.enable {
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source = "${cfg.package}/share/alsa/alsa.conf.d/50-pipewire.conf";
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};
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environment.etc."alsa/conf.d/99-pipewire-default.conf" = mkIf cfg.alsa.enable {
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source = "${cfg.package}/share/alsa/alsa.conf.d/99-pipewire-default.conf";
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};
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environment.etc."pipewire/client.conf" = { text = toSPAJSON (recursiveUpdate defaults.client cfg.config.client); };
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environment.etc."pipewire/client-rt.conf" = { text = toSPAJSON (recursiveUpdate defaults.client-rt cfg.config.client-rt); };
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environment.etc."pipewire/jack.conf" = { text = toSPAJSON (recursiveUpdate defaults.jack cfg.config.jack); };
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environment.etc."pipewire/pipewire.conf" = { text = toSPAJSON (recursiveUpdate defaults.pipewire cfg.config.pipewire); };
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environment.etc."pipewire/pipewire-pulse.conf" = { text = toSPAJSON (recursiveUpdate defaults.pipewire-pulse cfg.config.pipewire-pulse); };
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environment.sessionVariables.LD_LIBRARY_PATH =
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lib.optional cfg.jack.enable "/run/current-system/sw/lib/pipewire";
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# https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/464#note_723554
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systemd.user.services.pipewire.environment."PIPEWIRE_LINK_PASSIVE" = "1";
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};
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}
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