fix -tp format command line

MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs

@@ -201,6 +201,10 @@ namespace MediaBrowser.Controller.MediaEncoding
             {
                 return null;
             }
+            if (string.Equals(container, "tp", StringComparison.OrdinalIgnoreCase))
+            {
+                return null;
+            }
 
             // Seeing reported failures here, not sure yet if this is related to specfying input format
             if (string.Equals(container, "m4v", StringComparison.OrdinalIgnoreCase))

SharedVersion.cs

@@ -1,3 +1,3 @@
 using System.Reflection;
 
-[assembly: AssemblyVersion("3.2.20.14")]
+[assembly: AssemblyVersion("3.2.20.15")]