Moving files:

wireplumber/scripts/lib/device-info-cache.lua

@@ -0,0 +1,74 @@
+-- WirePlumber
+--
+-- Copyright © 2022 Collabora Ltd.
+--
+-- SPDX-License-Identifier: MIT
+
+local module = {
+  -- table of device info
+  dev_infos = {},
+}
+
+SimpleEventHook {
+  name = "lib/device-info-cache/cleanup",
+  interests = {
+    EventInterest {
+      Constraint { "event.type", "=", "device-removed" },
+    },
+  },
+  execute = function (event)
+    local props = event:get_properties ()
+    local device_id = props ["object.serial"]
+    Log.trace ("cleaning up dev_info for object.serial = " .. device_id)
+    module.dev_infos [device_id] = nil
+  end
+}:register()
+
+function module.get_device_info (self, device)
+  local device_properties = device.properties
+  local device_id = device_properties ["object.serial"]
+  local dev_info = self.dev_infos [device_id]
+
+  -- new device
+  if not dev_info then
+    local device_name = device_properties ["device.name"]
+    if not device_name then
+      Log.critical (device, "invalid device.name")
+      return nil
+    end
+
+    Log.trace (device, string.format (
+        "create dev_info for '%s', object.serial = %s", device_name, device_id))
+
+    dev_info = {
+      name = device_name,
+      active_profile = -1,
+      route_infos = {},
+    }
+    self.dev_infos [device_id] = dev_info
+  end
+
+  return dev_info
+end
+
+function module.find_route_info (dev_info, route, return_new)
+  local ri = dev_info.route_infos [route.index]
+  if not ri and return_new then
+    ri = {
+      index = route.index,
+      name = route.name,
+      direction = route.direction,
+      devices = route.devices or {},
+      profiles = route.profiles,
+      priority = route.priority or 0,
+      available = route.available or "unknown",
+      prev_available = route.available or "unknown",
+      active = false,
+      prev_active = false,
+      save = false,
+    }
+  end
+  return ri
+end
+
+return module