Server Version#: 1.31.0.6654 Player Version#: 4.101.1 (Plex Web – Also able to reproduce on Samsung TV Smart App) – Update 5: This thread has been referenced a few times, and a lot of testing has been completed to get to where we are now. To summarize, there is an issue with Plex and hardware tra…

When using PGS subtitle burning, such ghosting often occurs in 1080P videos. Please fix it

Adding to the pile, same problem here on an N100 with Unbuntu 24.04 LTS: Macro blocs/artifacts appears while using QSV to transcode. This seems to impact I frames or badly encoded B frames from the behavior (lasts 1-2secs then resolved) H265 output isn’t impacted, only H264. Not sure what FFmpeg …

[image] Makotosan: especially with version 7.1 that is quite unstable. Bro they are using FFMPEG 4 still lol

Can any Plex employee confirm if there is any work being done on these issues? @ChuckPa @chrisallen

This still hasn’t been addressed?? Incredible. Luckily things have been fine with the arc a380 so far… I am considering buying a new mini-pc that has the arc igpu rather than Xe or uhd, has anyone tried that yet? Ultra 5 125H for example…

Transcoder upgrade preview is up: Transcoder Upgrade Forum Preview Haven’t tested with anything yet, but hopefully it makes a difference for this!

After testing, it’s still the same

Having these artifacts for about a year now, I would recommend staying the hell away from Plex if you want to use QSV. None of the employees respond here anymore either, so it’s just an echo chamber of pain.

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

Plex Media Server

pl_5309 July 5, 2025, 1:18pm 243

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.

Topic		Replies	Views
Artifacting when using hardware acceleration transcoding with integrated intel graphics Plex Media Server server-windows	149	9748	April 7, 2021
Plex Media Server 1.16.7.1597 (Updated) - New Transcoder Preview Plex Pass Betas	143	26557	September 16, 2019
Plex not HW transcoding for some videos Plex Media Server server-windows	18	1115	May 30, 2021
Hardware transcoding stopped working with QuickSync (VAAPI) on an Intel iGPU (Intel NUC) Plex Media Server server-linux	49	1356	December 16, 2023
No hardware transcoding in Ubuntu server Plex Media Server server-linux	43	930	June 30, 2021

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

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