- add missing types in module definitions - add missing 'defaultText' in module definitions - wrap example with 'literalExample' where necessary in module definitions
182 lines
5.2 KiB
Nix
182 lines
5.2 KiB
Nix
{ config, lib, pkgs, pkgs_i686, ... }:
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with pkgs;
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with lib;
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let
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cfg = config.hardware.pulseaudio;
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systemWide = cfg.enable && cfg.systemWide;
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nonSystemWide = cfg.enable && !cfg.systemWide;
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# Forces 32bit pulseaudio and alsaPlugins to be built/supported for apps
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# using 32bit alsa on 64bit linux.
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enable32BitAlsaPlugins = cfg.support32Bit && stdenv.isx86_64 && (pkgs_i686.alsaLib != null && pkgs_i686.libpulseaudio != null);
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ids = config.ids;
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uid = ids.uids.pulseaudio;
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gid = ids.gids.pulseaudio;
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stateDir = "/var/run/pulse";
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# Create pulse/client.conf even if PulseAudio is disabled so
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# that we can disable the autospawn feature in programs that
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# are built with PulseAudio support (like KDE).
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clientConf = writeText "client.conf" ''
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autospawn=${if nonSystemWide then "yes" else "no"}
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${optionalString nonSystemWide "daemon-binary=${cfg.package}/bin/pulseaudio"}
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'';
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# Write an /etc/asound.conf that causes all ALSA applications to
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# be re-routed to the PulseAudio server through ALSA's Pulse
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# plugin.
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alsaConf = writeText "asound.conf" (''
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pcm_type.pulse {
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libs.native = ${pkgs.alsaPlugins}/lib/alsa-lib/libasound_module_pcm_pulse.so ;
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${lib.optionalString enable32BitAlsaPlugins
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"libs.32Bit = ${pkgs_i686.alsaPlugins}/lib/alsa-lib/libasound_module_pcm_pulse.so ;"}
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}
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pcm.!default {
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type pulse
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hint.description "Default Audio Device (via PulseAudio)"
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}
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ctl_type.pulse {
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libs.native = ${alsaPlugins}/lib/alsa-lib/libasound_module_ctl_pulse.so ;
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${lib.optionalString enable32BitAlsaPlugins
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"libs.32Bit = ${pkgs_i686.alsaPlugins}/lib/alsa-lib/libasound_module_ctl_pulse.so ;"}
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}
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ctl.!default {
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type pulse
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}
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'');
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in {
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options = {
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hardware.pulseaudio = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable the PulseAudio sound server.
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'';
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};
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systemWide = mkOption {
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type = types.bool;
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default = false;
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description = ''
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If false, a PulseAudio server is launched automatically for
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each user that tries to use the sound system. The server runs
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with user privileges. This is the recommended and most secure
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way to use PulseAudio. If true, one system-wide PulseAudio
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server is launched on boot, running as the user "pulse".
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Please read the PulseAudio documentation for more details.
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'';
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};
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support32Bit = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to include the 32-bit pulseaudio libraries in the systemn or not.
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This is only useful on 64-bit systems and currently limited to x86_64-linux.
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'';
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};
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configFile = mkOption {
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type = types.path;
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description = ''
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The path to the configuration the PulseAudio server
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should use. By default, the "default.pa" configuration
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from the PulseAudio distribution is used.
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'';
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};
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package = mkOption {
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type = types.package;
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default = pulseaudioLight;
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defaultText = "pkgs.pulseaudioLight";
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example = literalExample "pkgs.pulseaudioFull";
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description = ''
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The PulseAudio derivation to use. This can be used to enable
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features (such as JACK support, Bluetooth) via the
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<literal>pulseaudioFull</literal> package.
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'';
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};
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daemon = {
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logLevel = mkOption {
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type = types.str;
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default = "notice";
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description = ''
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The log level that the system-wide pulseaudio daemon should use,
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if activated.
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'';
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};
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};
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};
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};
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config = mkMerge [
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{
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environment.etc = singleton {
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target = "pulse/client.conf";
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source = clientConf;
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};
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hardware.pulseaudio.configFile = mkDefault "${cfg.package}/etc/pulse/default.pa";
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}
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(mkIf cfg.enable {
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environment.systemPackages = [ cfg.package ];
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environment.etc = singleton {
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target = "asound.conf";
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source = alsaConf;
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};
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# Allow PulseAudio to get realtime priority using rtkit.
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security.rtkit.enable = true;
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})
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(mkIf nonSystemWide {
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environment.etc = singleton {
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target = "pulse/default.pa";
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source = cfg.configFile;
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};
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})
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(mkIf systemWide {
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users.extraUsers.pulse = {
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# For some reason, PulseAudio wants UID == GID.
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uid = assert uid == gid; uid;
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group = "pulse";
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extraGroups = [ "audio" ];
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description = "PulseAudio system service user";
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home = stateDir;
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createHome = true;
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};
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users.extraGroups.pulse.gid = gid;
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systemd.services.pulseaudio = {
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description = "PulseAudio System-Wide Server";
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wantedBy = [ "sound.target" ];
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before = [ "sound.target" ];
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environment.PULSE_RUNTIME_PATH = stateDir;
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serviceConfig = {
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ExecStart = "${cfg.package}/bin/pulseaudio -D --log-level=${cfg.daemon.logLevel} --system --use-pid-file -n --file=${cfg.configFile}";
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PIDFile = "${stateDir}/pid";
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};
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};
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})
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];
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}
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