helm/modules/hardware/audio.nix
Henrik Lissner 03eb0b1512 alsa-lib 1.2.5 -> 1.2.5.1
Fixes ALSA failing to find sound devices. Revert this once 1.2.5.1 makes
it into nixos-unstable. This unfortunately causes a lot of compiling at
nixos-rebuild time.
2021-07-28 00:32:32 -04:00

47 lines
1.5 KiB
Nix

{ options, config, lib, pkgs, ... }:
with lib;
with lib.my;
let cfg = config.modules.hardware.audio;
in {
options.modules.hardware.audio = {
enable = mkBoolOpt false;
};
config = mkIf cfg.enable {
# HACK Due to alsa-project/alsa-lib#143, ALSA/pulseaudio can't find sound
# devices. The 1.2.5.1 hotfix addresses this, but isn't in nixpkgs yet.
nixpkgs.overlays = [
(self: super: with super; {
alsa-lib = super.alsa-lib.overrideAttrs (old: rec {
pname = "alsa-lib";
version = "1.2.5.1";
src = pkgs.fetchurl {
url = "mirror://alsa/lib/${pname}-${version}.tar.bz2";
sha256 = "sha256-YoQh2VDOyvI03j+JnVIMCmkjMTyWStdR/6wIHfMxQ44=";
};
});
})
];
sound.enable = true;
hardware.pulseaudio.enable = true;
# HACK Prevents ~/.esd_auth files by disabling the esound protocol module
# for pulseaudio, which I likely don't need. Is there a better way?
hardware.pulseaudio.configFile =
let inherit (pkgs) runCommand pulseaudio;
paConfigFile =
runCommand "disablePulseaudioEsoundModule"
{ buildInputs = [ pulseaudio ]; } ''
mkdir "$out"
cp ${pulseaudio}/etc/pulse/default.pa "$out/default.pa"
sed -i -e 's|load-module module-esound-protocol-unix|# ...|' "$out/default.pa"
'';
in mkIf config.hardware.pulseaudio.enable
"${paConfigFile}/default.pa";
user.extraGroups = [ "audio" ];
};
}