Hardware Acceleration not working on new Plex UpdateÍ

Plex Media Server Desktops & Laptops
1

Build: Version 1.17.0.1841
Nvidia RTX 2060
Graphics Card Driver: 436.48 Game Ready Drivers

So, I’ve actually had this issue since version 1709 and I saw a few people also mention the same issue.

Whenever I try to play certain video files, particularly a set of MPEG4 file with hardware acceleration enabled, I just get a buffering spin no matter what device I try to play the file on. However, when either reverting to a PMS version older than 1709 or turning off hardware acceleration, I can play the files

I’ve already reinstalled my drivers several times and tested this issue. I hope that providing my logs while trying to play one of these files will help.

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Please let me know what logs I can provide that will be of help.

2

Same issues here. Cannot play media since update 1709. Also have latest Nvidia driver. Even turning off hardware acceleration does not work.

Only PMS before 1709 works correctly.

Any help would be greatly appreciated.

3

Same issue. Seems common. Hopefully there’s a fix. The “hack” script that introduced nvdec before it was properly released, didn’t process mpeg4 movies to avoid this issue.

4

Same issue for me too. No hardware transcoding since 1709 but affected movies will work if hardware acceleration is turned off. Latest GeForce drivers installed.

5

Looks like Plex Media Server 1.18.0.1846 fixes some transcoder issues. Will have to install later tonight to see if it does anything.

1 Like
6

I upgraded to 1846 and it seems like the issues I had have disappeared. Awesome

7

upgrading to 1.18.0.1846 worked for me also. will see if it lasts. There were a lot of fixes to the Transcoder in this version:

  • (Transcoder) Fixed H263 hardware decoding (#10580)
  • (Transcoder) Hardware encoding wasn’t used in some situations when hardware decoding was unavailable for HEVC Main 10 (#7897)
  • (Transcoder) Hardware transcoding could fail on input with ATSC closed captions on Windows systems with Intel GPUs (#8509) (#9840) (#10517)
  • (Transcoder) Individual subtitle lines could fail to display in some clients when there are no subtitle lines for a long period afterwards
  • (Transcoder) Individual subtitle lines could randomly fail to appear in certain clients
  • (Transcoder) Playback could fail after a long period between subtitle lines in certain circumstances (#10582)
  • (Transcoder) Reduced the amount of I/O load when streaming subtitles
  • (Transcoder) Some packets could randomly be skipped in certain clients, resulting in a “skipping” effect (#10401)
  • (Transcoder) Subtitles could vanish after a random period after seeking in certain clients (#10573)
  • (Transcoder) Transcoding HEVC Main 10 content could fail on hardware without built-in support (#10590)
8

Worked for me as well, looks like there was a pretty widely applicable bug to MPEG-4 hardware decode that was fixed.

9

Quick dumb question. Is the Nvidia off load transcode available on Windows? I only saw Linux mentioned.

10

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