Server Version#: 1.30.0.6486 Player Version#: 1.59.1.3398-dab42972(Plex for Mac) OS: Linux plexy 5.15.0-53-generic #59-Ubuntu SMP Mon Oct 17 18:53:30 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux Plex Media Server Logs_2022-12-21_08-57-50.zip (354.7 KB) I’m trying to find out why with one specific mov…

Do you have video preview thumbnails activated in this library as well? And if so, do these appear and are not just black? Here is another thing to try: set the hidden preference GenerateBIFKeyframesOnly to 0 https://support.plex.tv/articles/201105343-advanced-hidden-server-settings/ Then stop …

Interestingly, Plex seems to be covinced that it actually has valid thumbnail pictures. Otherwise there would be no thumb property in here: <Chapter id="1" filter="thumb=1" index="1" startTimeOffset="0" endTimeOffset="137679" thumb="/library/media/1349392/chapterImages/1" /> <Chapter id="1" filter=…

Not exactly familiar with remuxing. I do have MKVtoolnix installed, I mostly use it for adding/adjusting chapter’s and steam names for things like commentaries and the like. Can you expand on remuxing a bit? As for the thumbnails, I’ve been trying to locate the actual JPGs for the generated files…

[image] thirdgen89gta: Can you expand on remuxing a bit? Basically, just sending the file into MKVtoolnix and let it do its thing. Without changing or adding or removing anything. So just drag the file into the GUI of MKVtoolnix and press “Start Muxing”. [image] thirdgen89gta: Is there …

Sure, I’ll send it through MKVToolnix again and see if that resolves it.

Unfortunately Cmdr Heatherly called “no joy”, and went below the hard deck. Thanks for the suggestion about Remuxing it though. It would be nice to figure out why it doesn’t generate thumbnails, even if its not something easily fixed. Its only one file that does it, so I guess I’ll have to learn …

I think chapter thumbs are only added during a server maintenance period.

I not sure, but it might currently not work during ingestion. Does the XML already show references to thumbs?

I have mine set to generate them during maintenance, and when ingested. PMS is running on a TrueNAS Scale host in a Linux VM with 16 threads assigned to it from an EPYC 7443p 24 core CPU, and it has 10Gb ram assigned. I also have NVEnc HW Acceleration on it. So it has way more HP than needed. So…

This is the updated XML after re-muxing. I do see references to ‘thumb’ in the XML text. I should add that when I’m watching the GUI, I can see the progress notification that its ‘generating thumbnails’ for both Chapters and video, but the progress circle never starts at all. Usually a 1080p vide…

Plex can't generate video & chapter thumbnails for one specific movie

Plex Media Server

OttoKerner December 21, 2022, 4:18pm 6

Don’t forget the Plex Dance afterwards.

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Plex can't generate video & chapter thumbnails for one specific movie

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