2023-07-30 23:47:30 +02:00
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{
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config,
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pkgs,
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...
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}: {
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2023-07-30 23:52:23 +02:00
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services.pipewire = {
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enable = true;
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alsa.enable = true;
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alsa.support32Bit = true;
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pulse.enable = true;
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2023-07-30 23:47:30 +02:00
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};
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2023-07-30 23:52:23 +02:00
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environment.etc = let
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2023-07-30 23:47:30 +02:00
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json = pkgs.formats.json {};
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rate = 48000;
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quantum = 256;
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in {
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"pipewire/pipewire.conf.d/92-low-latency.conf".text = ''
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context.properties = {
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default.clock.rate = ${rate}
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default.clock.quantum = ${quantum}
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default.clock.min-quantum = ${quantum}
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default.clock.max-quantum = ${quantum}
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}
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'';
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"pipewire/pipewire-pulse.d/92-low-latency.conf".source = json.generate "92-low-latency.conf" {
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context.modules = [
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{
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name = "libpipewire-module-protocol-pulse";
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args = {
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pulse.min.req = "${quantum}/${rate}";
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pulse.default.req = "${quantum}/${rate}";
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pulse.max.req = "${quantum}/${rate}";
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pulse.min.quantum = "${quantum}/${rate}";
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pulse.max.quantum = "${quantum}/${rate}";
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};
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}
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];
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stream.properties = {
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node.latency = "${quantum}/${rate}";
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resample.quality = 1;
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};
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};
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};
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}
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