92 lines
2.5 KiB
Nix
92 lines
2.5 KiB
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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let cfg = config.hardware.pulseaudio; in
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{
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options = {
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hardware.pulseaudio.enable = mkOption {
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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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hardware.pulseaudio.package = mkOption {
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default = pkgs.pulseaudio;
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example = "pkgs.pulseaudio.override { jackaudioSupport = true; }";
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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) that are not enabled in the
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default PulseAudio in Nixpkgs.
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'';
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};
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};
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config = mkMerge
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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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{ environment.etc = singleton
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{ target = "pulse/client.conf";
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source = pkgs.writeText "client.conf"
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''
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autospawn=${if cfg.enable then "yes" else "no"}
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${optionalString cfg.enable ''
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daemon-binary=${cfg.package}/bin/pulseaudio
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''}
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'';
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};
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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 =
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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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{ target = "asound.conf";
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source = pkgs.writeText "asound.conf"
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''
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pcm_type.pulse {
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lib ${pkgs.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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lib ${pkgs.alsaPlugins}/lib/alsa-lib/libasound_module_ctl_pulse.so
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}
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ctl.!default {
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type pulse
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}
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'';
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}
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{ target = "pulse/default.pa";
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source = "${cfg.package}/etc/pulse/default.pa";
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}
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{ target = "pulse/system.pa";
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source = "${cfg.package}/etc/pulse/system.pa";
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}
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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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];
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}
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