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nixos/pipewire: cleanup module

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This commit is contained in:
Nathaniel Glen 2020-10-23 13:36:56 -04:00
parent 798b9c072e
commit f6745d06f5
1 changed files with 23 additions and 30 deletions
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53
nixos/modules/services/desktops/pipewire.nix
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@ -9,6 +9,10 @@ let
&& pkgs.stdenv.isx86_64
&& pkgs.pkgsi686Linux.pipewire != null;
# The package doesn't output to $out/lib/pipewire directly so that the
# overlays can use the outputs to replace the originals in FHS environments.
#
# This doesn't work in general because of missing development information.
jack-libs = pkgs.runCommand "jack-libs" {} ''
mkdir -p "$out/lib"
ln -s "${pkgs.pipewire.jack}/lib" "$out/lib/pipewire"
@ -37,41 +41,16 @@ in {
};
alsa = {
enable = mkOption {
default = false;
type = types.bool;
description = ''
Route audio to/from generic ALSA-using applications via the ALSA PIPEWIRE PCM plugin.
'';
};
support32Bit = mkOption {
default = false;
type = types.bool;
description = ''
Whether to support sound for 32-bit ALSA applications on a 64-bit system.
'';
};
enable = mkEnableOption "ALSA support";
support32Bit = mkEnableOption "32-bit ALSA support on 64-bit systems";
};
jack = {
enable = mkOption {
default = false;
type = types.bool;
description = ''
Enable transparent JACK audio emulation using LD_LIBRARY_PATH.
'';
};
enable = mkEnableOption "JACK audio emulation";
};
pulse = {
enable = mkOption {
default = false;
type = types.bool;
description = ''
Enable transparent PulseAudio emulation using LD_LIBRARY_PATH.
'';
};
enable = mkEnableOption "PulseAudio emulation";
};
};
};
@ -79,12 +58,25 @@ in {
###### implementation
config = mkIf cfg.enable {
assertions = [
{
assertion = cfg.pulse.enable -> !config.hardware.pulseaudio.enable;
message = "PipeWire based PulseAudio emulation doesn't use the PulseAudio service";
}
{
assertion = cfg.jack.enable -> !config.services.jack.jackd.enable;
message = "PIpeWire based JACK emulation doesn't use the JACK service";
}
];
environment.systemPackages = [ pkgs.pipewire ]
++ lib.optional cfg.jack.enable jack-libs
++ lib.optional cfg.pulse.enable pulse-libs;
systemd.packages = [ pkgs.pipewire ];
# PipeWire depends on DBUS but doesn't list it. Without this booting
# into a terminal results in the service crashing with an error.
systemd.user.sockets.pipewire.wantedBy = lib.mkIf cfg.socketActivation [ "sockets.target" ];
systemd.user.services.pipewire.bindsTo = [ "dbus.service" ];
services.udev.packages = [ pkgs.pipewire ];
@ -107,6 +99,7 @@ in {
environment.etc."alsa/conf.d/50-pipewire.conf" = mkIf cfg.alsa.enable {
source = "${pkgs.pipewire}/share/alsa/alsa.conf.d/50-pipewire.conf";
};
environment.sessionVariables.LD_LIBRARY_PATH = [ "/run/current-system/sw/lib/pipewire" ];
environment.sessionVariables.LD_LIBRARY_PATH =
lib.optional (cfg.alsa.enable || cfg.jack.enable || cfg.pulse.enable) "/run/current-system/sw/lib/pipewire";
};
}