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# pipewire service.
{ config, lib, pkgs, ... }:
with lib;
let
json = pkgs.formats.json {};
cfg = config.services.pipewire;
enable32BitAlsaPlugins = cfg.alsa.support32Bit
&& 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 "${cfg.package.jack}/lib" "$out/lib/pipewire"
'';
# Use upstream config files passed through spa-json-dump as the base
# Patched here as necessary for them to work with this module
defaults = {
client = builtins.fromJSON (builtins.readFile ./client.conf.json);
client-rt = builtins.fromJSON (builtins.readFile ./client-rt.conf.json);
jack = builtins.fromJSON (builtins.readFile ./jack.conf.json);
# Remove session manager invocation from the upstream generated file, it points to the wrong path
pipewire = builtins.fromJSON (builtins.readFile ./pipewire.conf.json);
pipewire-pulse = builtins.fromJSON (builtins.readFile ./pipewire-pulse.conf.json);
};
configs = {
client = recursiveUpdate defaults.client cfg.config.client;
client-rt = recursiveUpdate defaults.client-rt cfg.config.client-rt;
jack = recursiveUpdate defaults.jack cfg.config.jack;
pipewire = recursiveUpdate defaults.pipewire cfg.config.pipewire;
pipewire-pulse = recursiveUpdate defaults.pipewire-pulse cfg.config.pipewire-pulse;
};
in {
meta = {
maintainers = teams.freedesktop.members;
};
###### interface
options = {
services.pipewire = {
enable = mkEnableOption "pipewire service";
package = mkOption {
type = types.package;
default = pkgs.pipewire;
defaultText = "pkgs.pipewire";
example = literalExample "pkgs.pipewire";
description = ''
The pipewire derivation to use.
'';
};
socketActivation = mkOption {
default = true;
type = types.bool;
description = ''
Automatically run pipewire when connections are made to the pipewire socket.
'';
};
config = {
client = mkOption {
type = json.type;
default = {};
description = ''
Configuration for pipewire clients. For details see
https://gitlab.freedesktop.org/pipewire/pipewire/-/blob/${cfg.package.version}/src/daemon/client.conf.in
'';
};
client-rt = mkOption {
type = json.type;
default = {};
description = ''
Configuration for realtime pipewire clients. For details see
https://gitlab.freedesktop.org/pipewire/pipewire/-/blob/${cfg.package.version}/src/daemon/client-rt.conf.in
'';
};
jack = mkOption {
type = json.type;
default = {};
description = ''
Configuration for the pipewire daemon's jack module. For details see
https://gitlab.freedesktop.org/pipewire/pipewire/-/blob/${cfg.package.version}/src/daemon/jack.conf.in
'';
};
pipewire = mkOption {
type = json.type;
default = {};
description = ''
Configuration for the pipewire daemon. For details see
https://gitlab.freedesktop.org/pipewire/pipewire/-/blob/${cfg.package.version}/src/daemon/pipewire.conf.in
'';
};
pipewire-pulse = mkOption {
type = json.type;
default = {};
description = ''
Configuration for the pipewire-pulse daemon. For details see
https://gitlab.freedesktop.org/pipewire/pipewire/-/blob/${cfg.package.version}/src/daemon/pipewire-pulse.conf.in
'';
};
};
alsa = {
enable = mkEnableOption "ALSA support";
support32Bit = mkEnableOption "32-bit ALSA support on 64-bit systems";
};
jack = {
enable = mkEnableOption "JACK audio emulation";
};
pulse = {
enable = mkEnableOption "PulseAudio server emulation";
};
};
};
###### implementation
config = mkIf cfg.enable {
assertions = [
{
assertion = cfg.pulse.enable -> !config.hardware.pulseaudio.enable;
message = "PipeWire based PulseAudio server emulation replaces PulseAudio. This option requires `hardware.pulseaudio.enable` to be set to false";
}
{
assertion = cfg.jack.enable -> !config.services.jack.jackd.enable;
message = "PipeWire based JACK emulation doesn't use the JACK service. This option requires `services.jack.jackd.enable` to be set to false";
}
];
environment.systemPackages = [ cfg.package ]
++ lib.optional cfg.jack.enable jack-libs;
systemd.packages = [ cfg.package ]
++ lib.optional cfg.pulse.enable cfg.package.pulse;
# 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.sockets.pipewire-pulse.wantedBy = lib.mkIf (cfg.socketActivation && cfg.pulse.enable) ["sockets.target"];
systemd.user.services.pipewire.bindsTo = [ "dbus.service" ];
services.udev.packages = [ cfg.package ];
# If any paths are updated here they must also be updated in the package test.
environment.etc."alsa/conf.d/49-pipewire-modules.conf" = mkIf cfg.alsa.enable {
text = ''
pcm_type.pipewire {
libs.native = ${cfg.package.lib}/lib/alsa-lib/libasound_module_pcm_pipewire.so ;
${optionalString enable32BitAlsaPlugins
"libs.32Bit = ${pkgs.pkgsi686Linux.pipewire.lib}/lib/alsa-lib/libasound_module_pcm_pipewire.so ;"}
}
ctl_type.pipewire {
libs.native = ${cfg.package.lib}/lib/alsa-lib/libasound_module_ctl_pipewire.so ;
${optionalString enable32BitAlsaPlugins
"libs.32Bit = ${pkgs.pkgsi686Linux.pipewire.lib}/lib/alsa-lib/libasound_module_ctl_pipewire.so ;"}
}
'';
};
environment.etc."alsa/conf.d/50-pipewire.conf" = mkIf cfg.alsa.enable {
source = "${cfg.package}/share/alsa/alsa.conf.d/50-pipewire.conf";
};
environment.etc."alsa/conf.d/99-pipewire-default.conf" = mkIf cfg.alsa.enable {
source = "${cfg.package}/share/alsa/alsa.conf.d/99-pipewire-default.conf";
};
environment.etc."pipewire/client.conf" = {
source = json.generate "client.conf" configs.client;
};
environment.etc."pipewire/client-rt.conf" = {
source = json.generate "client-rt.conf" configs.client-rt;
};
environment.etc."pipewire/jack.conf" = {
source = json.generate "jack.conf" configs.jack;
};
environment.etc."pipewire/pipewire.conf" = {
source = json.generate "pipewire.conf" configs.pipewire;
};
environment.etc."pipewire/pipewire-pulse.conf" = {
source = json.generate "pipewire-pulse.conf" configs.pipewire-pulse;
};
environment.sessionVariables.LD_LIBRARY_PATH =
lib.optional cfg.jack.enable "/run/current-system/sw/lib/pipewire";
# https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/464#note_723554
systemd.user.services.pipewire.environment."PIPEWIRE_LINK_PASSIVE" = "1";
};
}
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