RJMarch Posted January 1 Share Posted January 1 I figured I would post this since I haven't found it too readily available. When dealing with Plex transcoding, I recently ran into an issue where: Subtitles would not be properly rendered. Result was a black screen with audio and nothing else. Transcoding from a 4k MKV would not work (usually to a lower resolution), again resulting in a black screen with audio and nothing else. Some Plex apps (Rokus in particular) were only displaying black screens with audio for some movies. For any of the above, I also noted that the GPU was never being utilized. Possible Solution: Turn off Enable HDR tone mapping in Plex WebUI. Not really sure why this solved the issue but every one of the above problems was fixed. Quote Link to comment
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