96 lines
3.1 KiB
Nix
96 lines
3.1 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.c3d2.audioStreaming;
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release = lib.strings.fileContents "${pkgs.path}/.version";
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in
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{
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options = {
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c3d2.audioStreaming = lib.mkEnableOption "enable all services requires to audio stream to dacbert, glotzert or pulsebert";
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};
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config = lib.mkIf cfg {
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environment.etc = lib.optionalAttrs (lib.versionAtLeast release "23.05") {
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"pipewire/pipewire.conf.d/zeroconf.conf".text = builtins.toJSON {
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"context.modules" = [ {
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"name" = "libpipewire-module-zeroconf-discover";
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} ];
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};
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};
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environment.systemPackages = lib.mkIf config.services.xserver.enable (with pkgs; [
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paprefs
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pavucontrol
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# https://wiki.archlinux.org/title/PulseAudio/Examples#PulseAudio_over_network
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(pkgs.writeScriptBin "enable-pipebert-rtp" /* bash */ ''
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set -eou pipefail
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export PATH=$PATH:${lib.makeBinPath [ config.hardware.pulseaudio.package dig ]}
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ip=$(dig +short pipebert.hq.c3d2.de)
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pactl load-module module-null-sink sink_name=rtp sink_properties="node.description='Pipebert\ RTP\ Stream'"
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pactl load-module module-rtp-send source=rtp.monitor destination_ip="$ip" port=9875
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'')
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(pkgs.writeScriptBin "disable-pipebert-rtp" /* bash */ ''
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set -eou pipefail
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export PATH=$PATH:${lib.makeBinPath [ config.hardware.pulseaudio.package ]}
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pactl unload-module module-rtp-send
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pactl unload-module module-null-sink
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'')
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]);
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hardware.pulseaudio = {
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# enabling zeroconf discovery or publishing turns on zeroconfSupport for the configured pulseaudio package
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# pulseaudioFull has that enabled plus it has a cache hit on cache.nixos.org
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package = pkgs.pulseaudioFull;
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zeroconf.discovery.enable = true;
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};
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# required for paprefs to be able to save
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programs.dconf.enable = lib.mkIf config.services.xserver.enable true;
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security.rtkit.enable = true;
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services = {
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avahi = {
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enable = true;
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nssmdns = true;
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};
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pipewire = lib.mkMerge [
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(lib.optionalAttrs (lib.versionOlder release "23.05") {
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config.pipewire-pulse =
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let
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default-pipewire-pulse = lib.importJSON (pkgs.path + "/nixos/modules/services/desktops/pipewire/daemon/pipewire-pulse.conf.json");
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in
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default-pipewire-pulse // {
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"context.modules" = default-pipewire-pulse."context.modules" ++ [
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{
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"name" = "libpipewire-module-zeroconf-discover";
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}
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];
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};
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})
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{
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pulse.enable = true;
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}
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];
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# makes avahi unreliable
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resolved.extraConfig = ''
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MulticastDNS=no
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'';
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};
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# TODO: rebuild using programs.dconf.profiles, see https://github.com/NixOS/nixpkgs/pull/234615
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system.userActivationScripts.enableZeroconfDiscover.text = lib.mkIf config.services.xserver.enable ''
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echo "[org/freedesktop/pulseaudio/module-groups/zeroconf-discover]
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args0=''\''
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enabled=true
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name0='module-zeroconf-discover'
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" | ${pkgs.dconf}/bin/dconf load /
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'';
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};
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}
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