don't support two character language

MediaBrowser.Controller/Providers/MediaInfo/FFProbeVideoInfoProvider.cs

@@ -280,9 +280,9 @@ namespace MediaBrowser.Controller.Providers.MediaInfo
                     var language = fileNameWithoutExtension.Split('.').LastOrDefault();
 
                     // Try to translate to three character code
-                    // Be flexible and check against all properties
+                    // Be flexible and check against both the full and three character versions
                     var culture = _localization.GetCultures()
-                        .FirstOrDefault(i => string.Equals(i.DisplayName, language, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Name, language, StringComparison.OrdinalIgnoreCase) || string.Equals(i.ThreeLetterISOLanguageName, language, StringComparison.OrdinalIgnoreCase) || string.Equals(i.TwoLetterISOLanguageName, language, StringComparison.OrdinalIgnoreCase));
+                        .FirstOrDefault(i => string.Equals(i.DisplayName, language, StringComparison.OrdinalIgnoreCase) || string.Equals(i.Name, language, StringComparison.OrdinalIgnoreCase) || string.Equals(i.ThreeLetterISOLanguageName, language, StringComparison.OrdinalIgnoreCase));
 
                     if (culture != null)
                     {