47 lines
1.4 KiB
Nix
47 lines
1.4 KiB
Nix
{
|
|
config,
|
|
pkgs,
|
|
...
|
|
}: {
|
|
services.pipewire = {
|
|
enable = true;
|
|
alsa.enable = true;
|
|
alsa.support32Bit = true;
|
|
pulse.enable = true;
|
|
};
|
|
|
|
security.rtkit.enable = true;
|
|
|
|
environment.etc = let
|
|
json = pkgs.formats.json {};
|
|
rate = "48000";
|
|
quantum = "128";
|
|
in {
|
|
"pipewire/pipewire.conf.d/92-low-latency.conf".text = ''
|
|
context.properties = {
|
|
default.clock.rate = ${rate}
|
|
default.clock.quantum = ${quantum}
|
|
default.clock.min-quantum = ${quantum}
|
|
default.clock.max-quantum = ${quantum}
|
|
}
|
|
'';
|
|
"pipewire/pipewire-pulse.d/92-low-latency.conf".source = json.generate "92-low-latency.conf" {
|
|
context.modules = [
|
|
{
|
|
name = "libpipewire-module-protocol-pulse";
|
|
args = {
|
|
pulse.min.req = "${quantum}/${rate}";
|
|
pulse.default.req = "${quantum}/${rate}";
|
|
pulse.max.req = "${quantum}/${rate}";
|
|
pulse.min.quantum = "${quantum}/${rate}";
|
|
pulse.max.quantum = "${quantum}/${rate}";
|
|
};
|
|
}
|
|
];
|
|
stream.properties = {
|
|
node.latency = "${quantum}/${rate}";
|
|
resample.quality = 1;
|
|
};
|
|
};
|
|
};
|
|
}
|