Intel Quick Sync transcode quality issues on Intel 12th/13th gen CPUs

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Best chance to get developer review would be to try the transcoder upgrade forum preview and provide logs, otherwise it will just get released and fall to the bottom of priorities.

Transcoder Upgrade Forum Preview

Announcing the Transcoder Upgrade forum preview! Plex’s transcoder is a highly customized version of FFMPEG which has been accumulating bugfixes and features since it was forked back in 2012. With such a large number of differences, upgrading from the upstream repository became increasingly more difficult and took up more and more time. We decided it was time to clear out the bloat and start over, creating a brand new fork from ffmpeg 6.1 and only bringing over features necessary for the funct…