New wireplumber config

.config/wireplumber/scripts/monitors/v4l2/name-device.lua

@@ -0,0 +1,49 @@
+-- WirePlumber
+--
+-- Copyright © 2023 Collabora Ltd.
+--    @author Ashok Sidipotu <ashok.sidipotu@collabora.com>
+--
+-- SPDX-License-Identifier: MIT
+
+mutils = require ("monitor-utils")
+
+log = Log.open_topic ("s-monitors-v4l2")
+
+SimpleEventHook {
+  name = "monitor/v4l2/name-device",
+  interests = {
+    EventInterest {
+      Constraint { "event.type", "=", "create-v4l2-device" },
+    },
+  },
+  execute = function(event)
+    local properties = event:get_data ("device-properties")
+    local parent = event:get_subject ()
+    local id = event:get_data ("device-sub-id")
+
+    local name = "v4l2_device." ..
+        (properties["device.name"] or
+          properties["device.bus-id"] or
+          properties["device.bus-path"] or
+          tostring (id)):gsub ("([^%w_%-%.])", "_")
+
+    properties["device.name"] = name
+
+    -- deduplicate devices with the same name
+    for counter = 2, 99, 1 do
+      if mutils.find_duplicate (parent, id, "device.name", properties["node.name"]) then
+        properties["device.name"] = name .. "." .. counter
+      else
+        break
+      end
+    end
+
+    -- ensure the device has a description
+    properties["device.description"] =
+        properties["device.description"]
+        or properties["device.product.name"]
+        or "Unknown device"
+
+    event:set_data ("device-properties", properties)
+  end
+}:register ()