Current File : //usr/share/wireplumber/main.lua.d/50-alsa-config.lua
alsa_monitor.enabled = true
alsa_monitor.properties = {
-- Create a JACK device. This is not enabled by default because
-- it requires that the PipeWire JACK replacement libraries are
-- not used by the session manager, in order to be able to
-- connect to the real JACK server.
--["alsa.jack-device"] = false,
-- Reserve devices via org.freedesktop.ReserveDevice1 on D-Bus
-- Disable if you are running a system-wide instance, which
-- doesn't have access to the D-Bus user session
["alsa.reserve"] = true,
--["alsa.reserve.priority"] = -20,
--["alsa.reserve.application-name"] = "WirePlumber",
-- Enables MIDI functionality
["alsa.midi"] = true,
-- Enables monitoring of alsa MIDI devices
["alsa.midi.monitoring"] = true,
-- MIDI bridge node properties
["alsa.midi.node-properties"] = {
-- Name set for the node with ALSA MIDI ports
["node.name"] = "Midi-Bridge",
-- Removes longname/number from MIDI port names
--["api.alsa.disable-longname"] = true,
["priority.session"] = 100,
["priority.driver"] = 1,
},
-- These properties override node defaults when running in a virtual machine.
-- The rules below still override those.
["vm.node.defaults"] = {
["api.alsa.period-size"] = 1024,
["api.alsa.headroom"] = 8192,
},
}
alsa_monitor.rules = {
-- An array of matches/actions to evaluate.
--
-- If you want to disable some devices or nodes, you can apply properties per device as the following example.
-- The name can be found by running pw-cli ls Device, or pw-cli dump Device
--{
-- matches = {
-- {
-- { "device.name", "matches", "name_of_some_disabled_card" },
-- },
-- },
-- apply_properties = {
-- ["device.disabled"] = true,
-- },
--}
{
-- Rules for matching a device or node. It is an array of
-- properties that all need to match the regexp. If any of the
-- matches work, the actions are executed for the object.
matches = {
{
-- This matches all cards.
{ "device.name", "matches", "alsa_card.*" },
},
},
-- Apply properties on the matched object.
apply_properties = {
-- Use ALSA-Card-Profile devices. They use UCM or the profile
-- configuration to configure the device and mixer settings.
["api.alsa.use-acp"] = true,
-- Use UCM instead of profile when available. Can be
-- disabled to skip trying to use the UCM profile.
--["api.alsa.use-ucm"] = true,
-- Don't use the hardware mixer for volume control. It
-- will only use software volume. The mixer is still used
-- to mute unused paths based on the selected port.
--["api.alsa.soft-mixer"] = false,
-- Ignore decibel settings of the driver. Can be used to
-- work around buggy drivers that report wrong values.
--["api.alsa.ignore-dB"] = false,
-- The profile set to use for the device. Usually this is
-- "default.conf" but can be changed with a udev rule or here.
--["device.profile-set"] = "profileset-name",
-- The default active profile. Is by default set to "Off".
--["device.profile"] = "default profile name",
-- Automatically select the best profile. This is the
-- highest priority available profile. This is disabled
-- here and instead implemented in the session manager
-- where it can save and load previous preferences.
["api.acp.auto-profile"] = false,
-- Automatically switch to the highest priority available port.
-- This is disabled here and implemented in the session manager instead.
["api.acp.auto-port"] = false,
-- Other properties can be set here.
--["device.nick"] = "My Device",
},
},
{
matches = {
{
-- Matches all sources.
{ "node.name", "matches", "alsa_input.*" },
},
{
-- Matches all sinks.
{ "node.name", "matches", "alsa_output.*" },
},
},
apply_properties = {
--["node.nick"] = "My Node",
--["node.description"] = "My Node Description",
--["priority.driver"] = 100,
--["priority.session"] = 100,
--["node.pause-on-idle"] = false,
--["monitor.channel-volumes"] = false
--["resample.quality"] = 4,
--["resample.disable"] = false,
--["channelmix.normalize"] = false,
--["channelmix.mix-lfe"] = false,
--["channelmix.upmix"] = true,
--["channelmix.upmix-method"] = "psd", -- "none" or "simple"
--["channelmix.lfe-cutoff"] = 150,
--["channelmix.fc-cutoff"] = 12000,
--["channelmix.rear-delay"] = 12.0,
--["channelmix.stereo-widen"] = 0.0,
--["channelmix.hilbert-taps"] = 0,
--["channelmix.disable"] = false,
--["dither.noise"] = 0,
--["dither.method"] = "none", -- "rectangular", "triangular" or "shaped5"
--["audio.channels"] = 2,
--["audio.format"] = "S16LE",
--["audio.rate"] = 44100,
--["audio.allowed-rates"] = "32000,96000",
--["audio.position"] = "FL,FR",
--["api.alsa.period-size"] = 1024,
--["api.alsa.period-num"] = 2,
--["api.alsa.headroom"] = 0,
--["api.alsa.start-delay"] = 0,
--["api.alsa.disable-mmap"] = false,
--["api.alsa.disable-batch"] = false,
--["api.alsa.use-chmap"] = false,
--["api.alsa.multirate"] = true,
--["latency.internal.rate"] = 0
--["latency.internal.ns"] = 0
--["clock.name"] = "api.alsa.0"
--["session.suspend-timeout-seconds"] = 5, -- 0 disables suspend
},
},
}
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