fix the UTF-16 error while burning ass/ssa subtitles

1 files changed, 8 insertions, 0 deletions

diff --git a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
index a4a7595d2..5c2dc927b 100644
--- a/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
+++ b/MediaBrowser.MediaEncoding/Subtitles/SubtitleEncoder.cs
@@ -730,6 +730,14 @@ namespace MediaBrowser.MediaEncoding.Subtitles
             {
                 var charset = CharsetDetector.DetectFromStream(stream).Detected?.EncodingName;
 
+                // UTF16 is automatically converted to UTF8 by FFmpeg, do not specify a character encoding
+                if ((path.EndsWith(".ass") || path.EndsWith(".ssa"))
+                    && (string.Equals(charset, "utf-16le", StringComparison.OrdinalIgnoreCase)
+                        || string.Equals(charset, "utf-16be", StringComparison.OrdinalIgnoreCase)))
+                {
+                    charset = "";
+                }
+
                 _logger.LogDebug("charset {0} detected for {Path}", charset ?? "null", path);
 
                 return charset;