Server Version#: 1.18.7.2457 Player Version#: 4.37.2 (plexweb) Having a nightmare with subtitles. My plex server runs hardware decode and transcode. The following appear in plex logs in verbose during an average 4k source file transcode vdec_hw_status => 1 speed => 4.4 (bounces around 4) As s…

All kinds of reasons why Image Based Subtitles cause issues… have a look here: [image] [INFO] Plex, 4k, transcoding, and you - aka the rules of 4k Tips, Tricks & How-Tos NOTE: for 2022 – Plex has come a long way since this FAQ was originally written, HW transcoding has be…

Thanks very much. Its weird as fair enough - transcoding 4k is always going to have issues. So let me reword it - if instead transcode 2 streams of 1080 h264 then I get speed 4 for each stream. If I then enable subtitles both buffer and speed goes to 0.7 So while I do appreciate the 4k guidance, t…

Yea, well - there is a reason that linked thread is too long to read. There are A LOT of reasons 4K transcoding is troublesome. A LOT. In a nutshell: there are some things the GPU can help out with and there are some things it can’t help out with. I guess we’re into an area that’s not only diffic…

[image] JuiceWSA: ere is a reason that linked thread is too long to read. There are A LOT of reasons 4K transcoding is troublesome. A LOT. OK sure, i get that. happy to ditch the whole 4k question. lets concentrate on 1080 h264 instead. Does ffmpeg suffer the same performance penalty when …

Burning in subtitles involves the CPU, even when using hardware accelerated transcoding. See quote below from a post in the Synology section of the forum. Synology NAS also use VAAPI for hardware accelerated transcoding. Other posts mention that burning subtitles is single-threaded, which would a…

I’ve just added you to my list of folks that can give out ‘The Bad News’… I’ll just continue with the Good News: https://subscene.com/ (been there twice today myself - successful both times - and yes - any subs will work as long as they’re from the same type: HDTV/Web/BluRay or DVD usually interc…

Thanks folks for the replies and info. appreciated.

Transcoder drops significantly during subtitles

Plex Media Server

JuiceWSA July 12, 2020, 4:53pm 2

All kinds of reasons why Image Based Subtitles cause issues… have a look here:

tl;dr:

Find some srt/text subs that’ll Direct Play:

Topic		Replies	Views
Plex cannot handle transcoding with subtitles Plex Media Server server-docker , server-unraid	14	1233	September 29, 2021
Transcoding 4K movies with PGS subtitles Plex Media Server server-linux	10	458	March 8, 2022
Subtitle breaks hardware transcodes (4k) - help ( screenshots attached ) Plex Players lg-webos	30	532	September 24, 2022
Subtitles cause buffering for 4k content Plex Media Server server-windows , subtitles	52	18550	May 6, 2021
Hardware transcoding breaking image based subtitles Plex Media Server	10	129	September 13, 2022

Transcoder drops significantly during subtitles

Related topics