Add comprehensive PipeWire audio configuration with noise suppression
- Add modules/sound/pipewire.nix with full PipeWire stack - Include RNNoise AI-powered noise suppression - Add EasyEffects with pre-configured presets for mic and speakers - Include multiple GUI applications (pavucontrol, helvum, qpwgraph, pwvucontrol) - Add helper scripts: audio-setup, microphone-test, validate-audio - Optimize for low-latency real-time audio processing - Enable auto-start and desktop integration - Remove duplicate PipeWire configs from hardware-co.nix and users/common.nix - Import sound module through desktop/common.nix for all desktop machines
This commit is contained in:
Geir Okkenhaug Jerstad
parent
54e80f5c13
commit
9c9dcdc196
8 changed files with 1416 additions and 13 deletions
177
modules/sound/pipewire.nix
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177
modules/sound/pipewire.nix
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{
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config,
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lib,
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pkgs,
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...
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}: {
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imports = [
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./easyeffects-presets.nix
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./audio-desktop-integration.nix
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];
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# Enable PipeWire with full audio stack
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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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jack.enable = true;
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# Enable WirePlumber session manager
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wireplumber.enable = true;
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# Add noise suppression and audio processing packages
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extraPackages = with pkgs; [
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rnnoise-plugin # RNNoise noise suppression
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easyeffects # Modern audio effects and filters
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];
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};
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# Install audio management and GUI applications
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environment.systemPackages = with pkgs; [
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# Audio control and monitoring
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pavucontrol # PulseAudio volume control (works with PipeWire)
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helvum # Graphical patchbay for PipeWire
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qpwgraph # Qt-based PipeWire graph manager
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easyeffects # Audio effects and noise suppression GUI
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pwvucontrol # Native PipeWire volume control
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# Audio utilities
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wireplumber # WirePlumber session manager
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pipewire-pulse # PulseAudio compatibility
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pipecontrol # PipeWire control utility
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alsa-utils # ALSA utilities for testing
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# Validation script
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(writeShellScriptBin "validate-audio" (builtins.readFile ./validate-audio.sh))
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# Optional: Professional audio tools
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# qjackctl # JACK control GUI (for JACK applications)
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# carla # Audio plugin host
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];
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# System-wide PipeWire configuration
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environment.etc = {
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# Main PipeWire configuration
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"pipewire/pipewire.conf.d/10-noise-suppression.conf".text = ''
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context.properties = {
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default.clock.rate = 48000
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default.clock.quantum = 1024
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default.clock.min-quantum = 32
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default.clock.max-quantum = 2048
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}
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context.modules = [
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{
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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_stereo
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control = {
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"VAD Threshold (%)" = 50.0
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"VAD Grace Period (ms)" = 200
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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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# WirePlumber configuration for noise suppression
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"wireplumber/wireplumber.conf.d/51-noise-suppression.conf".text = ''
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monitor.alsa.rules = [
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{
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matches = [
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{
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device.name = "~alsa_card.*"
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}
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]
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actions = {
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update-props = {
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device.profile-set = "auto"
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device.auto-profile = true
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}
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}
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}
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]
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monitor.bluez.rules = [
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{
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matches = [
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{
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device.name = "~bluez_card.*"
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}
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]
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actions = {
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update-props = {
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bluez5.auto-connect = [ "hfp_hf" "hsp_hs" "a2dp_sink" ]
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bluez5.hw-volume = [ "hfp_hf" "hsp_hs" "a2dp_sink" ]
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}
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}
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}
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]
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'';
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# Audio quality and latency optimization
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"pipewire/pipewire-pulse.conf.d/10-audio-quality.conf".text = ''
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pulse.properties = {
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pulse.min.req = 32/48000
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pulse.default.req = 1024/48000
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pulse.min.quantum = 32/48000
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pulse.max.quantum = 2048/48000
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}
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stream.properties = {
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node.latency = 1024/48000
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resample.quality = 4
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channelmix.normalize = false
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channelmix.mix-lfe = false
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session.suspend-timeout-seconds = 0
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}
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'';
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};
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# Enable real-time audio processing
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security.rtkit.enable = true;
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# Audio group for users
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users.groups.audio = {};
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# Set environment variables for better audio performance
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environment.variables = {
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# PipeWire environment variables
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PIPEWIRE_LATENCY = "1024/48000";
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# Ensure applications use PipeWire
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PULSE_RUNTIME_PATH = "/run/user/$UID/pulse";
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};
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# Enable additional audio-related services
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services = {
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# Enable udev rules for audio devices
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udev.packages = with pkgs; [
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alsa-utils
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];
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};
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# User session configuration for audio
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systemd.user.services.pipewire-pulse.wantedBy = ["default.target"];
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}
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