Fix some warnings

Emby.Dlna/Didl/DidlBuilder.cs

@@ -782,36 +782,33 @@ private void WriteObjectClass(XmlWriter writer, BaseItem item, StubType? stubTyp
 
         private void AddPeople(BaseItem item, XmlWriter writer)
         {
+            if (!item.SupportsPeople)
+            {
+                return;
+            }
+
             var types = new[]
             {
                 PersonType.Director,
                 PersonType.Writer,
                 PersonType.Producer,
                 PersonType.Composer,
-                "Creator"
+                "creator"
             };
 
-            var people = _libraryManager.GetPeople(item);
-
-            var index = 0;
-
-            // Seeing some LG models locking up due content with large lists of people
-            // The actual issue might just be due to processing a more metadata than it can handle
-            var limit = 6;
+            var people = _libraryManager.GetPeople(
+                new InternalPeopleQuery
+                {
+                    ItemId = item.Id,
+                    Limit = 6
+                });
 
             foreach (var actor in people)
             {
                 var type = types.FirstOrDefault(i => string.Equals(i, actor.Type, StringComparison.OrdinalIgnoreCase) || string.Equals(i, actor.Role, StringComparison.OrdinalIgnoreCase))
                     ?? PersonType.Actor;
 
                 AddValue(writer, "upnp", type.ToLowerInvariant(), actor.Name, NS_UPNP);
-
-                index++;
-
-                if (index >= limit)
-                {
-                    break;
-                }
             }
         }
 

Emby.Dlna/PlayTo/Device.cs

@@ -604,8 +604,7 @@ private async Task GetMute(CancellationToken cancellationToken)
                 Properties.BaseUrl,
                 service,
                 command.Name,
-                avCommands.BuildPost(command,
-                service.ServiceType),
+                avCommands.BuildPost(command, service.ServiceType),
                 cancellationToken: cancellationToken).ConfigureAwait(false);
 
             if (result == null || result.Document == null)
@@ -647,7 +646,8 @@ private async Task<uBaseObject> GetMediaInfo(TransportCommands avCommands, Cance
                 Properties.BaseUrl,
                 service,
                 command.Name,
-                rendererCommands.BuildPost(command, service.ServiceType)).ConfigureAwait(false);
+                rendererCommands.BuildPost(command, service.ServiceType),
+                cancellationToken: cancellationToken).ConfigureAwait(false);
 
             if (result == null || result.Document == null)
             {

Emby.Dlna/PlayTo/PlayToController.cs

@@ -96,7 +96,7 @@ public void Init(Device device)
             _device.OnDeviceUnavailable = OnDeviceUnavailable;
             _device.PlaybackStart += OnDevicePlaybackStart;
             _device.PlaybackProgress += OnDevicePlaybackProgress;
-            _device.PlaybackStopped += DevicePlaybackStopped;
+            _device.PlaybackStopped += OnDevicePlaybackStopped;
             _device.MediaChanged += OnDeviceMediaChanged;
 
             _device.Start();
@@ -162,7 +162,7 @@ private async void OnDeviceMediaChanged(object sender, MediaChangedEventArgs e)
             }
         }
 
-        private async void DevicePlaybackStopped(object sender, PlaybackStoppedEventArgs e)
+        private async void OnDevicePlaybackStopped(object sender, PlaybackStoppedEventArgs e)
         {
             if (_disposed)
             {
@@ -633,7 +633,7 @@ protected virtual void Dispose(bool disposing)
 
             _device.PlaybackStart -= OnDevicePlaybackStart;
             _device.PlaybackProgress -= OnDevicePlaybackProgress;
-            _device.PlaybackStopped -= DevicePlaybackStopped;
+            _device.PlaybackStopped -= OnDevicePlaybackStopped;
             _device.MediaChanged -= OnDeviceMediaChanged;
             _deviceDiscovery.DeviceLeft -= OnDeviceDiscoveryDeviceLeft;
             _device.OnDeviceUnavailable = null;

Emby.Server.Implementations/Data/SqliteItemRepository.cs

@@ -5011,6 +5011,11 @@ public List<string> GetPeopleNames(InternalPeopleQuery query)
 
             commandText += " order by ListOrder";
 
+            if (query.Limit > 0)
+            {
+                commandText += "LIMIT " + query.Limit;
+            }
+
             using (var connection = GetConnection(true))
             {
                 var list = new List<string>();
@@ -5049,6 +5054,11 @@ public List<PersonInfo> GetPeople(InternalPeopleQuery query)
 
             commandText += " order by ListOrder";
 
+            if (query.Limit > 0)
+            {
+                commandText += "LIMIT " + query.Limit;
+            }
+
             using (var connection = GetConnection(true))
             {
                 var list = new List<PersonInfo>();

MediaBrowser.Controller/Entities/InternalPeopleQuery.cs

@@ -4,11 +4,18 @@ namespace MediaBrowser.Controller.Entities
 {
     public class InternalPeopleQuery
     {
+        public int Limit { get; set; }
+
         public Guid ItemId { get; set; }
+
         public string[] PersonTypes { get; set; }
+
         public string[] ExcludePersonTypes { get; set; }
+
         public int? MaxListOrder { get; set; }
+
         public Guid AppearsInItemId { get; set; }
+
         public string NameContains { get; set; }
 
         public InternalPeopleQuery()