disable remember track selections for live channels

MediaBrowser.Controller/Entities/BaseItem.cs

@@ -1555,6 +1555,15 @@ namespace MediaBrowser.Controller.Entities
             return null;
         }
 
+        [IgnoreDataMember]
+        public virtual bool EnableRememberingTrackSelections
+        {
+            get
+            {
+                return true;
+            }
+        }
+
         /// <summary>
         /// Adds a studio to the item
         /// </summary>

MediaBrowser.Controller/Entities/IHasUserData.cs

@@ -20,5 +20,7 @@ namespace MediaBrowser.Controller.Entities
         /// <param name="userData">The user data.</param>
         /// <param name="user">The user.</param>
         void FillUserDataDtoValues(UserItemDataDto dto, UserItemData userData, User user);
+
+        bool EnableRememberingTrackSelections { get; }
     }
 }

MediaBrowser.Controller/LiveTv/LiveTvChannel.cs

@@ -45,6 +45,15 @@ namespace MediaBrowser.Controller.LiveTv
             set { }
         }
 
+        [IgnoreDataMember]
+        public override bool EnableRememberingTrackSelections
+        {
+            get
+            {
+                return false;
+            }
+        }
+
         /// <summary>
         /// Gets or sets the number.
         /// </summary>

MediaBrowser.Server.Implementations/Library/MediaSourceManager.cs

@@ -269,13 +269,15 @@ namespace MediaBrowser.Server.Implementations.Library
         {
             var userData = item == null ? new UserItemData() : _userDataManager.GetUserData(user.Id, item.GetUserDataKey());
 
-            SetDefaultAudioStreamIndex(source, userData, user);
-            SetDefaultSubtitleStreamIndex(source, userData, user);
+            var allowRememberingSelection = item == null || item.EnableRememberingTrackSelections;
+
+            SetDefaultAudioStreamIndex(source, userData, user, allowRememberingSelection);
+            SetDefaultSubtitleStreamIndex(source, userData, user, allowRememberingSelection);
         }
 
-        private void SetDefaultSubtitleStreamIndex(MediaSourceInfo source, UserItemData userData, User user)
+        private void SetDefaultSubtitleStreamIndex(MediaSourceInfo source, UserItemData userData, User user, bool allowRememberingSelection)
         {
-            if (userData.SubtitleStreamIndex.HasValue && user.Configuration.RememberSubtitleSelections && user.Configuration.SubtitleMode != SubtitlePlaybackMode.None)
+            if (userData.SubtitleStreamIndex.HasValue && user.Configuration.RememberSubtitleSelections && user.Configuration.SubtitleMode != SubtitlePlaybackMode.None && allowRememberingSelection)
             {
                 var index = userData.SubtitleStreamIndex.Value;
                 // Make sure the saved index is still valid
@@ -304,9 +306,9 @@ namespace MediaBrowser.Server.Implementations.Library
                 user.Configuration.SubtitleMode, audioLangage);
         }
 
-        private void SetDefaultAudioStreamIndex(MediaSourceInfo source, UserItemData userData, User user)
+        private void SetDefaultAudioStreamIndex(MediaSourceInfo source, UserItemData userData, User user, bool allowRememberingSelection)
         {
-            if (userData.AudioStreamIndex.HasValue && user.Configuration.RememberAudioSelections)
+            if (userData.AudioStreamIndex.HasValue && user.Configuration.RememberAudioSelections && allowRememberingSelection)
             {
                 var index = userData.AudioStreamIndex.Value;
                 // Make sure the saved index is still valid