Adding lots of cool stuff to dotfiles

.config/wireplumber/main.lua.d/00-functions.lua

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+components = {}
+
+function load_module(m, a)
+  assert(type(m) == "string", "module name is mandatory, bail out");
+  if not components[m] then
+    components[m] = { "libwireplumber-module-" .. m, type = "module", args = a }
+  end
+end
+
+function load_optional_module(m, a)
+  assert(type(m) == "string", "module name is mandatory, bail out");
+  if not components[m] then
+    components[m] = { "libwireplumber-module-" .. m, type = "module", args = a, optional = true }
+  end
+end
+
+function load_pw_module(m)
+  assert(type(m) == "string", "module name is mandatory, bail out");
+  if not components[m] then
+    components[m] = { "libpipewire-module-" .. m, type = "pw_module" }
+  end
+end
+
+function load_script(s, a)
+  if not components[s] then
+    components[s] = { s, type = "script/lua", args = a }
+  end
+end
+
+function load_monitor(s, a)
+  load_script("monitors/" .. s .. ".lua", a)
+end
+
+function load_access(s, a)
+  load_script("access/access-" .. s .. ".lua", a)
+end

.config/wireplumber/main.lua.d/20-default-access.lua

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+default_access = {}
+default_access.properties = {}
+default_access.rules = {}
+
+function default_access.enable()
+  if default_access.enabled == false then
+    return
+  end
+
+  load_access("default", {
+    rules = default_access.rules
+  })
+
+  if default_access.properties["enable-flatpak-portal"] then
+    -- Enables portal permissions via org.freedesktop.impl.portal.PermissionStore
+    load_module("portal-permissionstore")
+    load_access("portal")
+  end
+end

.config/wireplumber/main.lua.d/30-alsa-monitor.lua

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+alsa_monitor = {}
+alsa_monitor.properties = {}
+alsa_monitor.rules = {}
+
+function alsa_monitor.enable()
+  if alsa_monitor.enabled == false then
+    return
+  end
+
+  -- The "reserve-device" module needs to be loaded for reservation to work
+  if alsa_monitor.properties["alsa.reserve"] then
+    load_module("reserve-device")
+  end
+
+  load_monitor("alsa", {
+    properties = alsa_monitor.properties,
+    rules = alsa_monitor.rules,
+  })
+
+  if alsa_monitor.properties["alsa.midi"] then
+    load_monitor("alsa-midi", {
+      properties = alsa_monitor.properties,
+    })
+    -- The "file-monitor-api" module needs to be loaded for MIDI device monitoring
+    if alsa_monitor.properties["alsa.midi.monitoring"] then
+      load_module("file-monitor-api")
+    end
+  end
+end

.config/wireplumber/main.lua.d/30-libcamera-monitor.lua

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+libcamera_monitor = {}
+libcamera_monitor.properties = {}
+libcamera_monitor.rules = {}
+
+function libcamera_monitor.enable()
+  if libcamera_monitor.enabled == false then
+    return
+  end
+
+  load_monitor("libcamera", {
+    properties = libcamera_monitor.properties,
+    rules = libcamera_monitor.rules,
+  })
+end

.config/wireplumber/main.lua.d/30-v4l2-monitor.lua

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+v4l2_monitor = {}
+v4l2_monitor.properties = {}
+v4l2_monitor.rules = {}
+
+function v4l2_monitor.enable()
+  if v4l2_monitor.enabled == false then
+    return
+  end
+
+  load_monitor("v4l2", {
+    properties = v4l2_monitor.properties,
+    rules = v4l2_monitor.rules,
+  })
+end

.config/wireplumber/main.lua.d/40-device-defaults.lua

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+device_defaults = {}
+device_defaults.enabled = true
+
+device_defaults.properties = {
+  -- store preferences to the file system and restore them at startup;
+  -- when set to false, default nodes and routes are selected based on
+  -- their priorities and any runtime changes do not persist after restart
+  ["use-persistent-storage"] = true,
+
+  -- the default volumes to apply to ACP device nodes, in the linear scale
+  --["default-volume"] = 0.064,
+  --["default-input-volume"] = 1.0,
+
+  -- Whether to auto-switch to echo cancel sink and source nodes or not
+  ["auto-echo-cancel"] = true,
+
+  -- Sets the default echo-cancel-sink node name to automatically switch to
+  ["echo-cancel-sink-name"] = "echo-cancel-sink",
+
+  -- Sets the default echo-cancel-source node name to automatically switch to
+  ["echo-cancel-source-name"] = "echo-cancel-source",
+}
+
+-- Sets persistent device profiles that should never change when wireplumber is
+-- running, even if a new profile with higher priority becomes available
+device_defaults.persistent_profiles = {
+  {
+    matches = {
+      {
+        -- Matches all devices
+        { "device.name", "matches", "*" },
+      },
+    },
+    profile_names = {
+      "off",
+      "pro-audio"
+    }
+  },
+}
+
+function device_defaults.enable()
+  if device_defaults.enabled == false then
+    return
+  end
+
+  -- Selects appropriate default nodes and enables saving and restoring them
+  load_module("default-nodes", device_defaults.properties)
+
+  -- Selects appropriate profile for devices
+  load_script("policy-device-profile.lua", {
+    persistent = device_defaults.persistent_profiles
+  })
+
+  -- Selects appropriate device routes ("ports" in pulseaudio terminology)
+  -- and enables saving and restoring them together with
+  -- their properties (per-route/port volume levels, channel maps, etc)
+  load_script("policy-device-routes.lua", device_defaults.properties)
+
+  if device_defaults.properties["use-persistent-storage"] then
+    -- Enables functionality to save and restore default device profiles
+    load_module("default-profile")
+  end
+end

.config/wireplumber/main.lua.d/40-stream-defaults.lua

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+stream_defaults = {}
+stream_defaults.enabled = true
+
+stream_defaults.properties = {
+  -- whether to restore the last stream properties or not
+  ["restore-props"] = true,
+
+  -- whether to restore the last stream target or not
+  ["restore-target"] = true,
+
+  -- the default channel volume for new streams whose props were never saved
+  -- previously. This is only used if "restore-props" is set to true.
+  ["default-channel-volume"] = 1.0,
+}
+
+stream_defaults.rules = {
+  -- Rules to override settings per node
+  -- {
+  --   matches = {
+  --     {
+  --       { "application.name", "matches", "pw-play" },
+  --     },
+  --   },
+  --   apply_properties = {
+  --     ["state.restore-props"] = false,
+  --     ["state.restore-target"] = false,
+  --     ["state.default-channel-volume"] = 0.5,
+  --   },
+  -- },
+}
+
+function stream_defaults.enable()
+  if stream_defaults.enabled == false then
+    return
+  end
+
+  -- Save and restore stream-specific properties
+  load_script("restore-stream.lua", {
+    properties = stream_defaults.properties,
+    rules = stream_defaults.rules,
+  })
+end

.config/wireplumber/main.lua.d/50-alsa-config.lua

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+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"]      = 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
+    },
+  },
+}

.config/wireplumber/main.lua.d/50-default-access-config.lua

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+default_access.enabled = true
+
+default_access.properties = {
+  -- Enable the use of the flatpak portal integration.
+  -- Disable if you are running a system-wide instance, which
+  -- doesn't have access to the D-Bus user session
+  ["enable-flatpak-portal"] = true,
+}
+
+default_access.rules = {
+  {
+    matches = {
+      {
+        { "pipewire.access", "=", "flatpak" },
+        { "media.category", "=", "Manager" },
+      },
+    },
+    default_permissions = "all",
+  },
+  {
+    matches = {
+      {
+        { "pipewire.access", "=", "flatpak" },
+      },
+    },
+    default_permissions = "rx",
+  },
+  {
+    matches = {
+      {
+        { "pipewire.access", "=", "restricted" },
+      },
+    },
+    default_permissions = "rx",
+  },
+}

.config/wireplumber/main.lua.d/50-libcamera-config.lua

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+libcamera_monitor.enabled = true
+
+libcamera_monitor.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.
+        { "device.name", "matches", "libcamera_device.*" },
+      },
+    },
+    -- Apply properties on the matched object.
+    apply_properties = {
+      -- ["device.nick"] = "My Device",
+    },
+  },
+  {
+    matches = {
+      {
+        -- Matches all sources.
+        { "node.name", "matches", "libcamera_input.*" },
+      },
+      {
+        -- Matches all sinks.
+        { "node.name", "matches", "libcamera_output.*" },
+      },
+    },
+    apply_properties = {
+      --["node.nick"] = "My Node",
+      --["priority.driver"] = 100,
+      --["priority.session"] = 100,
+      --["node.pause-on-idle"] = false,
+    },
+  },
+}

.config/wireplumber/main.lua.d/50-v4l2-config.lua

@@ -0,0 +1,38 @@
+v4l2_monitor.enabled = true
+
+v4l2_monitor.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.
+        { "device.name", "matches", "v4l2_device.*" },
+      },
+    },
+    -- Apply properties on the matched object.
+    apply_properties = {
+      -- ["device.nick"] = "My Device",
+    },
+  },
+  {
+    matches = {
+      {
+        -- Matches all sources.
+        { "node.name", "matches", "v4l2_input.*" },
+      },
+      {
+        -- Matches all sinks.
+        { "node.name", "matches", "v4l2_output.*" },
+      },
+    },
+    apply_properties = {
+      --["node.nick"] = "My Node",
+      --["priority.driver"] = 100,
+      --["priority.session"] = 100,
+      --["node.pause-on-idle"] = false,
+    },
+  },
+}

.config/wireplumber/main.lua.d/90-enable-all.lua

@@ -0,0 +1,23 @@
+-- Provide the "default" pw_metadata, which stores
+-- dynamic properties of pipewire objects in RAM
+load_module("metadata")
+
+-- Default client access policy
+default_access.enable()
+
+-- Load devices
+alsa_monitor.enable()
+v4l2_monitor.enable()
+libcamera_monitor.enable()
+
+-- Track/store/restore user choices about devices
+device_defaults.enable()
+
+-- Track/store/restore user choices about streams
+stream_defaults.enable()
+
+-- Link nodes by stream role and device intended role
+load_script("intended-roles.lua")
+
+-- Automatically suspends idle nodes after 3 seconds
+load_script("suspend-node.lua")