Add OriginalLanguage as option to PreferredAudioLanguage (#12579)

* Add OriginalLanguage as option to PreferredAudioLanguage

* Support for multiple original languages

* Add original audio stream indicator

* Fetch OriginalLanguage from TMDB

* Adapt to EFCore refactor

* Fix PlayDefaultAudioTrack OriginalLanguage behavior

* Fix better PlayDefaultAudioTrack OriginalLanguage behavior

* Add comment to ItemFields

* Improved PlayDefaultAudioTrack behavior

* Add migration for original language

* Use sting.Equals for string comparisons

* Always set dto OriginalLanguage

* Remove OriginalLanguage from ItemFields

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Co-authored-by: Lampan-git <lampan-git@users.noreply.github.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/MediaBrowser.Providers/Manager/MetadataService.cs b/MediaBrowser.Providers/Manager/MetadataService.cs
index abdfb1e3b7..c2e523cfaf 100644
--- a/MediaBrowser.Providers/Manager/MetadataService.cs
+++ b/MediaBrowser.Providers/Manager/MetadataService.cs
@@ -1023,6 +1023,11 @@ namespace MediaBrowser.Providers.Manager
                 target.OriginalTitle = source.OriginalTitle;
             }
 
+            if (replaceData || string.IsNullOrEmpty(target.OriginalLanguage))
+            {
+                target.OriginalLanguage = source.OriginalLanguage;
+            }
+
             if (replaceData || !target.CommunityRating.HasValue)
             {
                 target.CommunityRating = source.CommunityRating;