Truncate ISO-639-2 language display names at first delimiter

Prevents raw ISO-639-2 values (e.g. "Greek, Modern (1453-)" from cluttering the audio and subtitle display names by truncating them at the first comma or semicolon ("Greek"). Applies to MediaStreamRepository and ProbeResultNormalizer.

1 files changed, 4 insertions, 1 deletions

diff --git a/Jellyfin.Server.Implementations/Item/MediaStreamRepository.cs b/Jellyfin.Server.Implementations/Item/MediaStreamRepository.cs
index 7fa33c8639..b3c7fe131e 100644
--- a/Jellyfin.Server.Implementations/Item/MediaStreamRepository.cs
+++ b/Jellyfin.Server.Implementations/Item/MediaStreamRepository.cs
@@ -173,7 +173,10 @@ public class MediaStreamRepository : IMediaStreamRepository
             if (!string.IsNullOrEmpty(dto.Language))
             {
                 var culture = _localization.FindLanguageInfo(dto.Language);
-                dto.LocalizedLanguage = culture?.DisplayName;
+                // Truncate at the first delimiter to avoid cluttered display names
+                dto.LocalizedLanguage = culture?.DisplayName is { } name
+                    ? name.Split(';', ',')[0].Trim()
+                    : null;
             }
 
             if (dto.Type is MediaStreamType.Audio)