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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};
};
};
};
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# rtkit is optional but recommended
security.rtkit.enable = true;
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services.pipewire = {
enable = true;
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alsa.enable = true;
alsa.support32Bit = true;
pulse.enable = true;
wireplumber.enable = true;
# If you want to use JACK applications, uncomment this
jack.enable = true;
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};
# Enable bluetooth
hardware.bluetooth = mkIf cfg.bluetooth.enable {
enable = true;
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# Disable bluetooth on startup to save battery
powerOnBoot = false;
# Disable useless SIM Access Profile plugin
disabledPlugins = [
"sap"
];
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settings = {
General = {
# Enables experimental features and interfaces.
# Makes BlueZ Battery Provider available
Experimental = true;
};
};
};
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services.blueman.enable = mkIf cfg.bluetooth.enable true;
environment.etc."wireplumber/bluetooth.lua.d/51-bluez-config.lua" = mkIf cfg.bluetooth.enable {
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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# Enable audio server & client
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services.mopidy = mkIf cfg.mopidy.enable ((import ./mopidy.nix) pkgs);
# Make pulseaudio listen on port 4713 for mopidy, extending the default
# config: https://gitlab.freedesktop.org/pipewire/pipewire/-/blob/master/src/daemon/pipewire-pulse.conf.in
environment.etc."pipewire/pipewire-pulse.conf.d/99-custom.conf" = mkIf cfg.mopidy.enable {
text = ''
{
"context.modules": [
{
"name": "libpipewire-module-protocol-pulse",
"args": {
"server.address": ["unix:native", "tcp:4713"],
"vm.overrides": {
"pulse.min.quantum": "1024/48000"
}
}
}
]
}
'';
};
};
}