stockholm/makefu/2configs/audio/jack-on-pulse.nix
2017-05-12 11:31:46 +02:00

46 lines
1.3 KiB
Nix

{ config, pkgs, ... }:
let
pulse = pkgs.pulseaudioFull;
user = config.makefu.gui.user;
in
{
sound.enable = true;
hardware.pulseaudio = {
enable = true;
package = pulse;
};
environment.systemPackages = with pkgs; [ jack2Full ];
# from http://anderspapitto.com/posts/2015-11-26-overtone-on-nixos-with-jack-and-pulseaudio.html
systemd.services = {
jackdbus = {
description = "Runs jack, and points pulseaudio at it";
serviceConfig = {
User = user;
Type = "oneshot";
ExecStart = pkgs.writeScript "start_jack.sh" ''
#! ${pkgs.bash}/bin/bash
. ${config.system.build.setEnvironment}
sleep 5 # wait for the gui to load
${pkgs.jack2Full}/bin/jack_control start
sleep 3 # give some time for sources/sinks to be created
${pulse}/bin/pacmd set-default-sink jack_out
${pulse}/bin/pacmd set-default-source jack_in
'';
ExecStop = pkgs.writeScript "stop_jack.sh" ''
#! ${pkgs.bash}/bin/bash
. ${config.system.build.setEnvironment}
${pkgs.jack2Full}/bin/jack_control stop
'';
RemainAfterExit = true;
};
after = [ "display-manager.service" "sound.target" ];
wantedBy = [ "multi-user.target" ];
};
};
}