diff options
| -rw-r--r-- | lass/2configs/baseX.nix | 6 | ||||
| -rw-r--r-- | lass/2configs/pulse.nix | 88 |
2 files changed, 89 insertions, 5 deletions
diff --git a/lass/2configs/baseX.nix b/lass/2configs/baseX.nix index 7e969b3ed..7431617c2 100644 --- a/lass/2configs/baseX.nix +++ b/lass/2configs/baseX.nix @@ -8,6 +8,7 @@ in { #./urxvt.nix ./xserver ./mpv.nix + ./pulse.nix ]; users.extraUsers.mainUser.extraGroups = [ "audio" ]; @@ -16,11 +17,6 @@ in { virtualisation.libvirtd.enable = true; - hardware.pulseaudio = { - enable = true; - systemWide = true; - }; - programs.ssh.startAgent = false; security.setuidPrograms = [ "slock" ]; diff --git a/lass/2configs/pulse.nix b/lass/2configs/pulse.nix new file mode 100644 index 000000000..e86ea3b94 --- /dev/null +++ b/lass/2configs/pulse.nix @@ -0,0 +1,88 @@ +{ config, lib, pkgs, ... }: + +with config.krebs.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 + ] ++ optionals config.services.xserver.enable [ + pkgs.pavucontrol + ]; + }; + + # 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.writeDash "pulse-start" '' + install -o pulse -g audio -m 0750 -d ${runDir} + install -o pulse -g audio -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"; + }; + }; +} |