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Why is Jellyfin transcoding all media? - Printable Version

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Why is Jellyfin transcoding all media? - RWX - 2025-09-28

I have a Roku Ultra 4670X using the Jellyfin app ver 3.0.1 with the default settings.

Any thing i play gets transcoded.

It says the reason is,  VideoCodecNotSupported, AudioCodecNotSupported

I was playing these same files with Plex with no transcoding. 


See pics below,