Fixed some mediainfo subtitle codes

src/NzbDrone.Core.Test/OrganizerTests/FileNameBuilderTests/FileNameBuilderFixture.cs

@@ -526,6 +526,27 @@ namespace NzbDrone.Core.Test.OrganizerTests.FileNameBuilderTests
                    .Should().Be("South.Park.S15E06.City.Sushi.X264.DTS[EN+ES].[EN+ES+IT]");
         }
 
+        [TestCase("Norwegian Bokmal", "NB")]
+        [TestCase("Swedis", "SV")]
+        [TestCase("Chinese", "ZH")]
+        public void should_format_languagecodes_properly(string language, string code)
+        {
+            _namingConfig.StandardEpisodeFormat = "{Series.Title}.S{season:00}E{episode:00}.{Episode.Title}.{MEDIAINFO.FULL}";
+
+            _episodeFile.MediaInfo = new Core.MediaFiles.MediaInfo.MediaInfoModel()
+            {
+                VideoCodec = "AVC",
+                AudioFormat = "DTS",
+                AudioChannels = 6,
+                AudioLanguages = "English",
+                Subtitles = language,
+                SchemaRevision = 3
+            };
+
+            Subject.BuildFileName(new List<Episode> { _episode1 }, _series, _episodeFile)
+                   .Should().Be($"South.Park.S15E06.City.Sushi.X264.DTS.[{code}]");
+        }
+
         [Test]
         public void should_exclude_english_in_mediainfo_audio_language()
         {

src/NzbDrone.Core/Organizer/FileNameBuilder.cs

@@ -13,6 +13,7 @@ using NzbDrone.Common.EnvironmentInfo;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.MediaFiles;
 using NzbDrone.Core.MediaFiles.MediaInfo;
+using NzbDrone.Core.Parser;
 using NzbDrone.Core.Profiles.Releases;
 using NzbDrone.Core.Qualities;
 using NzbDrone.Core.Tv;
@@ -671,9 +672,23 @@ namespace NzbDrone.Core.Organizer
             var cultures = CultureInfo.GetCultures(CultureTypes.NeutralCultures);
             for (int i = 0; i < tokens.Count; i++)
             {
+                if (tokens[i] == "Swedis")
+                { 
+                    // Probably typo in mediainfo (should be 'Swedish')
+                    tokens[i] = "SV";
+                    continue;
+                }
+
+                if (tokens[i] == "Chinese" && OsInfo.IsNotWindows)
+                {
+                    // Mono only has 'Chinese (Simplified)' & 'Chinese (Traditional)'
+                    tokens[i] = "ZH";
+                    continue;
+                }
+
                 try
                 {
-                    var cultureInfo = cultures.FirstOrDefault(p => p.EnglishName == tokens[i]);
+                    var cultureInfo = cultures.FirstOrDefault(p => p.EnglishName.RemoveAccent() == tokens[i]);
 
                     if (cultureInfo != null)
                         tokens[i] = cultureInfo.TwoLetterISOLanguageName.ToUpper();