111 lines
2.9 KiB
Nix
111 lines
2.9 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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inherit (lib) mkIf;
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inherit (lib.generators) toLua;
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inherit (lib.lists) elem optionals;
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# inherit (builtins) elem;
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features = config.ooknet.host.hardware.features;
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hasBT = (elem "bluetooth" features);
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in
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{
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config = mkIf (elem "audio" features) {
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hardware.pulseaudio.enable = !config.services.pipewire.enable;
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security.rtkit.enable = config.services.pipewire.enable;
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services.pipewire =
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let
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quantum = 64;
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rate = 48000;
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qr = "${toString quantum}/${toString rate}";
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in
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{
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enable = true;
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alsa.enable = true;
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alsa.support32Bit = true;
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pulse.enable = true;
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jack.enable = true;
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# Low latency module provided by notashelf/nyx
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extraConfig.pipewire."99-lowlatency" = {
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context = {
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properties.default.clock.min-quantum = quantum;
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modules = [
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{
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name = "libpipewire-module-rtkit";
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flags = ["ifexists" "nofail"];
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args = {
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nice.level = -15;
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rt = {
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prio = 88;
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time.soft = 200000;
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time.hard = 200000;
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};
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};
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}
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{
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name = "libpipewire-module-protocol-pulse";
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args = {
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server.address = ["unix:native"];
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pulse.min = {
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req = qr;
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quantum = qr;
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frag = qr;
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};
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};
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}
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];
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stream.properties = {
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node.latency = qr;
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resample.quality = 1;
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};
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};
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};
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wireplumber = {
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enable = true;
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configPackages = let
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matches = toLua {
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multiline = false;
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indent = false;
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} [[["node.name" "matches" "alsa_output.*"]]];
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apply_properties = toLua {} {
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"audio.format" = "S32LE";
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"audio.rate" = rate * 2;
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"api.alsa.period-size" = 2;
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};
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in
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[
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(pkgs.writeTextDir "share/lowlatency.lua.d/99-alsa-lowlatency.lua" ''
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alsa_monitor.rules = {
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{
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matches = ${matches};
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apply_properties = ${apply_properties};
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}
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}
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'')
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]
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++ optionals hasBT [
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(pkgs.writeTextDir "share/bluetooth.lua.d/51-bluez-config.lua" /* lua */ ''
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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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};
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systemd.user.services = {
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pipewire.wantedBy = ["default.target"];
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pipewire-pulse.wantedBy = ["default.target"];
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};
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};
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}
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