Hardware Transcoding not working on DS920+ with Plex 1.40.0.7775

Server Version#: 1.40.0.7775
Player Version#: Firefox Web Browser (but issue is consistent across many players)

Noticed today that hardware transcoding on my server is not working, it will only software transcode. This has likely been an issue for a while, but I only just realized it because I do not often have multiple streams going at the same time.

Through some research, I saw a Plex update broke hardware transcoding for specific CPUs about six months ago, but it seems like that has been resolved in more recent updates. I updated my Plex server to the latest image (1.40.07775) today hoping it would fix the issue, but no luck.

Server is a Synology DS920+ running DSM 7.2.1-69057 Update 3 (though, it was running 7.1 until today). Plex is running in a docker container in Synology Container Manager.

Has anyone else experienced this issue, or have any ideas on what I can do to resolve it? I am uploading a transcoding log, but if there is another specific log that would be helpful, please let me know.

Plex Transcoder Statistics.log (275.1 KB)

Thanks.

I did a fresh install in a new docker container with the “latest” linux plex image and it seems to be working. Using Plex 1.32.8.7639.

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