ease up device discovery

MediaBrowser.Dlna/Ssdp/DeviceDiscovery.cs

@@ -1,5 +1,4 @@
 using MediaBrowser.Common.Events;
-using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Dlna;
@@ -143,7 +142,10 @@ namespace MediaBrowser.Dlna.Ssdp
                             args.EndPoint = endPoint;
                             args.LocalIp = localIp;
 
-                            TryCreateDevice(args);
+                            if (!_ssdpHandler.IsSelfNotification(args))
+                            {
+                                TryCreateDevice(args);
+                            }
                         }
                     }
 

MediaBrowser.Server.Implementations/IO/LibraryMonitor.cs

@@ -560,7 +560,7 @@ namespace MediaBrowser.Server.Implementations.IO
         /// <returns>Task.</returns>
         private async Task ProcessPathChanges(List<string> paths)
         {
-            var itemsToRefresh = paths.Select(Path.GetDirectoryName)
+            var itemsToRefresh = paths
                 .Select(GetAffectedBaseItem)
                 .Where(item => item != null)
                 .Distinct()