added sync cpu settings

MediaBrowser.Controller/MediaEncoding/EncodingJobOptions.cs

@@ -41,6 +41,8 @@ namespace MediaBrowser.Controller.MediaEncoding
         public int? SubtitleStreamIndex { get; set; }
         public int? MaxRefFrames { get; set; }
         public int? MaxVideoBitDepth { get; set; }
+        public int? CpuCoreLimit { get; set; }
+        public bool ReadInputAtNativeFramerate { get; set; }
         public SubtitleDeliveryMethod SubtitleMethod { get; set; }
 
         /// <summary>