move media encoder to server project

MediaBrowser.Model/Entities/MediaStream.cs

@@ -1,4 +1,5 @@
-
+using System.Collections.Generic;
+
 namespace MediaBrowser.Model.Entities
 {
     /// <summary>
@@ -145,4 +146,24 @@ namespace MediaBrowser.Model.Entities
         /// </summary>
         Subtitle
     }
+
+    public class MediaInfo
+    {
+        /// <summary>
+        /// Gets or sets the media streams.
+        /// </summary>
+        /// <value>The media streams.</value>
+        public List<MediaStream> MediaStreams { get; set; }
+
+        /// <summary>
+        /// Gets or sets the format.
+        /// </summary>
+        /// <value>The format.</value>
+        public string Format { get; set; }
+
+        public MediaInfo()
+        {
+            MediaStreams = new List<MediaStream>();
+        }
+    }
 }