82 lines
2.7 KiB
Nix
82 lines
2.7 KiB
Nix
{ config, pkgs, lib, ... }: {
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# RNNoise is a noise supperssion neural network
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# Here we use it as a plugin for pipewire to create a virtual microphone
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config = {
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home.file = {
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".config/pipewire/pipewire.conf.d/99-input-denoising.conf".text = ''
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context.modules = [
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{ name = libpipewire-module-filter-chain
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args = {
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node.description = "Noise Canceling source"
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media.name = "Noise Canceling source"
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filter.graph = {
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nodes = [
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{
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type = ladspa
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name = rnnoise
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plugin = ${pkgs.rnnoise-plugin}/lib/ladspa/librnnoise_ladspa.so
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label = noise_suppressor_mono
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control = {
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"VAD Threshold (%)" 0.0
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"VAD Grace Period (ms)" 0
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"Retroactive VAD Grace (ms)" 0
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}
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}
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]
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}
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capture.props = {
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node.name = "capture.rnnoise_source"
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node.passive = true
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audio.rate = 48000
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}
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playback.props = {
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node.name = "rnnoise_source"
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media.class = Audio/Source
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audio.rate = 48000
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}
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}
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}
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]
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'';
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};
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xdg.configFile = {
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"pipewire/pipewire.conf.d/99-rtp-sink.conf".text = ''
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context.modules = [
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{ name = libpipewire-module-rtp-sink
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args = {
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# Make this sink appear as an option in graphical interfaces
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media.class = Audio/Sink
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node.name = "rtp-sink"
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node.description = "RTP"
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#sap.ip = "224.0.0.56"
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#sap.port = 9875
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#source.ip = "0.0.0.0"
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destination.ip = "192.168.0.102"
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destination.port = 4010
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#local.ifname = "eth0"
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net.mtu = 320
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#net.ttl = 1
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#net.loop = false
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#sess.name = "PipeWire RTP stream"
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#audio.format = "S16BE"
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audio.rate = 48000
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audio.channels = 2
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audio.position = [ FL FR ]
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stream.props = {
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node.name = "rtp-sink"
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}
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}
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flags = [ nofail ]
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}
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]
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'';
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"systemd/user/pipewire.service.d/override.conf".text = ''
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[Service]
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ExecStartPre=/usr/bin/env sleep 10s
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'';
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};
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};
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}
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