add cinema mode feature

MediaBrowser.Controller/Providers/IExtrasProvider.cs

@@ -0,0 +1,39 @@
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Model.Entities;
+
+namespace MediaBrowser.Controller.Providers
+{
+    public interface IExtrasProvider
+    {
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        string Name { get; }
+
+        /// <summary>
+        /// Supportses the specified item.
+        /// </summary>
+        /// <param name="item">The item.</param>
+        /// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
+        bool Supports(IHasMetadata item);
+    }
+
+    public enum ExtraSource
+    {
+        Local = 1,
+        Metadata = 2,
+        Remote = 3
+    }
+
+    public class ExtraInfo
+    {
+        public string Path { get; set; }
+
+        public LocationType LocationType { get; set; }
+
+        public bool IsDownloadable { get; set; }
+
+        public ExtraType ExtraType { get; set; }
+    }
+}

MediaBrowser.Controller/Providers/ItemLookupInfo.cs

@@ -1,6 +1,7 @@
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using MediaBrowser.Model.Channels;
 using MediaBrowser.Model.Entities;
 using System;
 using System.Collections.Generic;
@@ -236,4 +237,9 @@ namespace MediaBrowser.Controller.Providers
 
         public int SeasonIndex { get; set; }
     }
+
+    public class ChannelItemLookupInfo : ItemLookupInfo
+    {
+        public ChannelMediaContentType ContentType { get; set; }
+    }
 }