os/modules/audio/default.nix

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{ lib, config, pkgs, ... }:
with lib;
let
psCfg = config.pub-solar;
cfg = config.pub-solar.audio;
xdg = config.home-manager.users."${psCfg.user.name}".xdg;
in
{
options.pub-solar.audio = {
enable = mkEnableOption "Life in highs and lows";
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mopidy.enable = mkEnableOption "Life with mopidy";
spotify.enable = mkEnableOption "Life in DRM";
spotify.username = mkOption {
description = "Spotify login username or email";
type = types.str;
example = "yourname@example.com";
default = "";
};
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bluetooth.enable = mkEnableOption "Life with bluetooth";
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};
config = mkIf cfg.enable {
users.users = pkgs.lib.setAttrByPath [ psCfg.user.name ] {
extraGroups = [ "audio" ];
};
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home-manager = with pkgs; pkgs.lib.setAttrByPath [ "users" psCfg.user.name ] {
home.packages = [
# easyeffects, e.g. for microphone noise filtering
easyeffects
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mu
pavucontrol
pa_applet
playerctl
# Needed for pactl cmd, until pw-cli is more mature (vol up/down hotkeys?)
pulseaudio
vimpc
] ++ (if cfg.spotify.enable then [ pkgs.spotify-tui ] else [ ]);
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xdg.configFile."vimpc/vimpcrc".source = ./.config/vimpc/vimpcrc;
systemd.user.services.easyeffects = import ./easyeffects.service.nix pkgs;
services.spotifyd = mkIf cfg.spotify.enable {
enable = true;
settings = {
global = {
username = cfg.spotify.username;
password_cmd = "DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1001/bus ${pkgs.libsecret}/bin/secret-tool lookup spotify password";
bitrate = 320;
volume_normalisation = true;
no_audio_cache = false;
max_cache_size = 1000000000;
};
};
};
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};
# rtkit is optional but recommended
security.rtkit.enable = true;
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# Enable sound using pipewire-pulse
services.pipewire = {
enable = true;
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alsa.enable = true;
alsa.support32Bit = true;
pulse.enable = true;
config.pipewire = {
context.default.clock = {
allowed-rates = [ 44100 48000 88200 96000 ];
rate = 44100;
};
};
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config.pipewire-pulse = builtins.fromJSON (builtins.readFile ./pipewire-pulse.conf.json);
};
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# Bluetooth configuration using wireplumber
# https://nixos.wiki/wiki/PipeWire#Bluetooth_Configuration
environment.etc = mkIf cfg.bluetooth.enable {
"wireplumber/bluetooth.lua.d/51-bluez-config.lua".text = ''
bluez_monitor.properties = {
["bluez5.enable-sbc-xq"] = true,
["bluez5.enable-msbc"] = true,
["bluez5.enable-hw-volume"] = true,
["bluez5.headset-roles"] = "[ hsp_hs hsp_ag hfp_hf hfp_ag ]"
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}
'';
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};
# Enable bluetooth
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hardware.bluetooth.enable = mkIf cfg.bluetooth.enable true;
services.blueman.enable = mkIf cfg.bluetooth.enable true;
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# Enable audio server & client
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services.mopidy = mkIf cfg.mopidy.enable ((import ./mopidy.nix) pkgs);
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};
}