86 lines
2.1 KiB
Nix
86 lines
2.1 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
let
|
|
pkg = pkgs.pulseaudioLight;
|
|
runDir = "/run/pulse";
|
|
|
|
alsaConf = pkgs.writeText "asound.conf" ''
|
|
ctl_type.pulse {
|
|
libs.native = ${pkgs.alsaPlugins}/lib/alsa-lib/libasound_module_ctl_pulse.so;
|
|
}
|
|
pcm_type.pulse {
|
|
libs.native = ${pkgs.alsaPlugins}/lib/alsa-lib/libasound_module_pcm_pulse.so;
|
|
}
|
|
ctl.!default {
|
|
type pulse
|
|
}
|
|
pcm.!default {
|
|
type pulse
|
|
}
|
|
'';
|
|
|
|
clientConf = pkgs.writeText "client.conf" ''
|
|
autospawn=no
|
|
default-server = unix:${runDir}/socket
|
|
'';
|
|
|
|
configFile = pkgs.writeText "default.pa" ''
|
|
.include ${pkg}/etc/pulse/default.pa
|
|
load-module ${toString [
|
|
"module-native-protocol-unix"
|
|
"auth-anonymous=1"
|
|
"socket=${runDir}/socket"
|
|
]}
|
|
'';
|
|
in
|
|
|
|
{
|
|
environment = {
|
|
etc = {
|
|
"asound.conf".source = alsaConf;
|
|
# XXX mkForce is not strong enough (and neither is mkOverride) to create
|
|
# /etc/pulse/client.conf, see pulseaudio-hack below for a solution.
|
|
#"pulse/client.conf" = mkForce { source = clientConf; };
|
|
#"pulse/client.conf".source = mkForce clientConf;
|
|
"pulse/default.pa".source = configFile;
|
|
};
|
|
systemPackages = [ pkg ];
|
|
};
|
|
|
|
# Allow PulseAudio to get realtime priority using rtkit.
|
|
security.rtkit.enable = true;
|
|
|
|
system.activationScripts.pulseaudio-hack = ''
|
|
ln -fns ${clientConf} /etc/pulse/client.conf
|
|
'';
|
|
|
|
systemd.services.pulse = {
|
|
wantedBy = [ "sound.target" ];
|
|
before = [ "sound.target" ];
|
|
environment = {
|
|
PULSE_RUNTIME_PATH = "${runDir}/home";
|
|
};
|
|
serviceConfig = {
|
|
ExecStart = "${pkg}/bin/pulseaudio";
|
|
ExecStartPre = pkgs.writeScript "pulse-start" ''
|
|
#! /bin/sh
|
|
install -o pulse -g pulse -m 0750 -d ${runDir}
|
|
install -o pulse -g pulse -m 0700 -d ${runDir}/home
|
|
'';
|
|
PermissionsStartOnly = "true";
|
|
User = "pulse";
|
|
};
|
|
};
|
|
|
|
users = {
|
|
groups.pulse.gid = config.users.users.pulse.uid;
|
|
users.pulse = {
|
|
uid = genid "pulse";
|
|
group = "pulse";
|
|
extraGroups = [ "audio" ];
|
|
home = "${runDir}/home";
|
|
};
|
|
};
|
|
}
|