nixos-config/services/pipewire.nix

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{ config, lib, pkgs, options, ... }:
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with lib;
let
cfg = config.my.services.pipewire;
my = config.my;
in
{
options.my.services.pipewire = {
enable = lib.mkEnableOption "Pipewire sound backend";
};
# HACK: services.pipewire.alsa doesn't exist on 20.09, avoid evaluating this
# config (my 20.09 machine is a server anyway)
config = optionalAttrs (options ? services.pipewire.alsa) (mkIf cfg.enable {
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# from NixOS wiki, causes conflicts with pipewire
sound.enable = false;
# recommended for pipewire as well
security.rtkit.enable = true;
services.pipewire = {
enable = true;
alsa = {
enable = true;
support32Bit = true;
};
pulse.enable = true;
jack.enable = true;
media-session = {
enable = true;
config.bluez-monitor.rules = [
{
# Matches all cards
matches = [{ "device.name" = "~bluez_card.*"; }];
actions = {
"update-props" = {
"bluez5.reconnect-profiles" = [
"a2dp_sink"
"hfp_hf"
"hsp_hs"
];
# mSBC provides better audio + microphone
"bluez5.msbc-support" = true;
# SBC XQ provides better audio
"bluez5.sbc-xq-support" = true;
};
};
}
{
matches = [
# Matches all sources
{
"node.name" = "~bluez_input.*";
}
# Matches all outputs
{
"node.name" = "~bluez_output.*";
}
];
actions = {
"node.pause-on-idle" = false;
};
}
];
};
};
# FIXME: a shame pactl isn't available by itself, eventually this should be
# replaced by pw-cli or a wrapper, I guess?
environment.systemPackages = with pkgs; [ pulseaudio ];
});
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}