95 lines
2.4 KiB
Nix
95 lines
2.4 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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with lib; let
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cfg = config.services.ezpw;
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in {
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options.services.ezpw = {
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enable = mkEnableOption "Enable pipewire";
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lowLatency = mkOption {
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type = types.bool;
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description = "Enable low latency configuration";
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default = true;
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};
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usbSoundcard = mkOption {
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type = types.bool;
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description = "Doubles the audio rate for alsa outputs in low latency mode";
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default = false;
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};
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periodSize = mkOption {
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type = types.int;
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description = ''
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Pipewire period size in low latency mode ("tweak by trial-and-error")'';
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default = 32;
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};
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rate = mkOption {
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type = types.int;
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description = "Pipewire rate in low latency mode";
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default = 48000;
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};
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quantum = mkOption {
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type = types.int;
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description = "Pipewire quantum in low latency mode";
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default = 64;
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};
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};
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config = let
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qr = "${toString cfg.quantum}/${toString cfg.rate}";
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in
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mkIf cfg.enable {
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hardware.pulseaudio.enable = lib.mkDefault false;
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sound.enable = lib.mkDefault false;
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services.pipewire = {
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enable = lib.mkDefault true;
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jack.enable = lib.mkDefault true;
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alsa.enable = lib.mkDefault true;
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alsa.support32Bit = lib.mkDefault true;
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pulse.enable = lib.mkDefault true;
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wireplumber.enable = lib.mkDefault true;
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};
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environment.systemPackages = with pkgs; [
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# pactl is required for pipewire-pulse
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pulseaudio
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];
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environment.etc."wireplumber/main.lua.d/51-alsa-config.lua" = mkIf cfg.lowLatency {
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text = ''
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alsa_monitor.properties = {
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["audio.rate"] = ${
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toString (cfg.rate
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* (
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if cfg.usbSoundcard
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then 2
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else 1
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))
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},
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["audio.format"] = "S32LE",
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["api.alsa.headroom"] = 512,
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["api.alsa.period-size"] = ${toString cfg.periodSize}
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}
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'';
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};
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environment.etc."wireplumber/bluetooth.lua.d/51-bluez-config.lua".text = ''
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bluez_monitor.properties = {
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["bluez5.enable-sbc-xq"] = true,
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["bluez5.enable-msbc"] = true,
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["bluez5.enable-hw-volume"] = true,
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["bluez5.headset-roles"] = "[ hsp_hs hsp_ag hfp_hf hfp_ag ]"
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}
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'';
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};
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}
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