diff --git a/system_files/shared/usr/share/wireplumber/main.lua.d/50-alsa-config.lua b/system_files/shared/usr/share/wireplumber/main.lua.d/50-alsa-config.lua new file mode 100644 index 0000000..4ebc988 --- /dev/null +++ b/system_files/shared/usr/share/wireplumber/main.lua.d/50-alsa-config.lua @@ -0,0 +1,155 @@ +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, + }, + + -- These properties override node defaults when running in a virtual machine. + -- The rules below still override those. + ["vm.node.defaults"] = { + ["api.alsa.period-size"] = 256, + ["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"] = 1024, + --["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 + }, + }, +}