conf: add pipewire/.../alsa-monitor.conf by saivert

conf/pipewire/media-session.d/alsa-monitor.conf

@@ -0,0 +1,135 @@
+# ALSA monitor config file for PipeWire version "0.3.28" #
+
+# saivert on #pipewire made this 2021-05-23 around 15 Z
+# based on pw-cli dump short node && pw-cli dump short device
+# save as ~/.config/pipewire/media-session.d/alsa-monitor.conf
+# then restart pipewire and pipewire-pulse like so: systemctl --user restart pipewire pipewire-pulse
+
+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.
+    #alsa.reserve = true
+}
+
+rules = [
+    # An array of matches/actions to evaluate.
+    {
+        # 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. These are regular expressions
+                # so "." matches one character and ".*" matches many.
+                device.name = "~alsa_card.*"
+            }
+        ]
+        actions = {
+            # Actions can update properties on the matched object.
+            update-props = {
+                # 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.conf"
+
+                # 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"
+            }
+        }
+    }
+
+# Begin customized config section
+
+    {
+        matches = [
+            {
+                # This matches your USB headset
+                device.name = "alsa_card.usb-Logitech_Logitech_USB_Headset-00"
+            }
+        ]
+        actions = {
+            # Actions can update properties on the matched object.
+            update-props = {
+                api.alsa.soft-mixer = true
+            }
+        }
+    }
+
+#End customized config section
+
+    {
+        matches = [
+            {
+                # Matches all sources. These are regular expressions
+                # so "." matches one character and ".*" matches many.
+                node.name = "~alsa_input.*"
+            }
+            {
+                # Matches all sinks.
+                node.name = "~alsa_output.*"
+            }
+        ]
+        actions = {
+            update-props = {
+                #node.nick              = "My Node"
+                #node.nick              = null
+                #priority.driver        = 100
+                #priority.session       = 100
+                node.pause-on-idle      = false
+                #resample.quality       = 4
+                #channelmix.normalize   = false
+                #channelmix.mix-lfe     = false
+                #audio.channels         = 2
+                #audio.format           = "S16LE"
+                #audio.rate             = 44100
+                #audio.position         = "FL,FR"
+                #session.suspend-timeout-seconds = 5      # 0 disables suspend
+                #monitor.channel-volumes = false
+
+                #api.alsa.period-size   = 1024
+                #api.alsa.headroom      = 0
+                #api.alsa.start-delay   = 0
+                #api.alsa.disable-mmap  = false
+                #api.alsa.disable-batch = false
+                #api.alsa.use-chmap     = false
+            }
+        }
+    }
+]