1 files changed, 40 insertions, 10 deletions
diff --git a/MediaBrowser.Controller/Entities/Audio/Audio.cs b/MediaBrowser.Controller/Entities/Audio/Audio.cs
index 873ac3104..3ebf4da00 100644
--- a/MediaBrowser.Controller/Entities/Audio/Audio.cs
+++ b/MediaBrowser.Controller/Entities/Audio/Audio.cs
@@ -9,6 +9,7 @@ using System.Globalization;
 using System.Linq;
 using System.Threading;
 using MediaBrowser.Common.Extensions;
+using MediaBrowser.Controller.Persistence;
 using MediaBrowser.Model.Serialization;
 
 namespace MediaBrowser.Controller.Entities.Audio
@@ -27,9 +28,11 @@ namespace MediaBrowser.Controller.Entities.Audio
         /// Gets or sets the artist.
         /// </summary>
         /// <value>The artist.</value>
-        public List<string> Artists { get; set; }
+        [IgnoreDataMember]
+        public string[] Artists { get; set; }
 
-        public List<string> AlbumArtists { get; set; }
+        [IgnoreDataMember]
+        public string[] AlbumArtists { get; set; }
 
         [IgnoreDataMember]
         public override bool EnableRefreshOnDateModifiedChange
@@ -39,8 +42,8 @@ namespace MediaBrowser.Controller.Entities.Audio
 
         public Audio()
         {
-            Artists = new List<string>();
-            AlbumArtists = new List<string>();
+            Artists = EmptyStringArray;
+            AlbumArtists = EmptyStringArray;
         }
 
         public override double? GetDefaultPrimaryImageAspectRatio()
@@ -95,13 +98,23 @@ namespace MediaBrowser.Controller.Entities.Audio
         }
 
         [IgnoreDataMember]
-        public List<string> AllArtists
+        public string[] AllArtists
         {
             get
             {
-                var list = AlbumArtists.ToList();
+                var list = new string[AlbumArtists.Length + Artists.Length];
 
-                list.AddRange(Artists);
+                var index = 0;
+                foreach (var artist in AlbumArtists)
+                {
+                    list[index] = artist;
+                    index++;
+                }
+                foreach (var artist in Artists)
+                {
+                    list[index] = artist;
+                    index++;
+                }
 
                 return list;
 
@@ -157,7 +170,7 @@ namespace MediaBrowser.Controller.Entities.Audio
                     songKey = Album + "-" + songKey;
                 }
 
-                var albumArtist = AlbumArtists.FirstOrDefault();
+                var albumArtist = AlbumArtists.Length == 0 ? null : AlbumArtists[0];
                 if (!string.IsNullOrWhiteSpace(albumArtist))
                 {
                     songKey = albumArtist + "-" + songKey;
@@ -193,6 +206,23 @@ namespace MediaBrowser.Controller.Entities.Audio
             return base.GetBlockUnratedType();
         }
 
+        public List<MediaStream> GetMediaStreams()
+        {
+            return MediaSourceManager.GetMediaStreams(new MediaStreamQuery
+            {
+                ItemId = Id
+            });
+        }
+
+        public List<MediaStream> GetMediaStreams(MediaStreamType type)
+        {
+            return MediaSourceManager.GetMediaStreams(new MediaStreamQuery
+            {
+                ItemId = Id,
+                Type = type
+            });
+        }
+
         public SongInfo GetLookupInfo()
         {
             var info = GetItemLookupInfo<SongInfo>();
@@ -204,7 +234,7 @@ namespace MediaBrowser.Controller.Entities.Audio
             return info;
         }
 
-        public virtual IEnumerable<MediaSourceInfo> GetMediaSources(bool enablePathSubstitution)
+        public virtual List<MediaSourceInfo> GetMediaSources(bool enablePathSubstitution)
         {
             if (SourceType == SourceType.Channel)
             {
@@ -248,7 +278,7 @@ namespace MediaBrowser.Controller.Entities.Audio
             {
                 Id = i.Id.ToString("N"),
                 Protocol = locationType == LocationType.Remote ? MediaProtocol.Http : MediaProtocol.File,
-                MediaStreams = MediaSourceManager.GetMediaStreams(i.Id).ToList(),
+                MediaStreams = MediaSourceManager.GetMediaStreams(i.Id),
                 Name = i.Name,
                 Path = enablePathSubstituion ? GetMappedPath(i, i.Path, locationType) : i.Path,
                 RunTimeTicks = i.RunTimeTicks,