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Mooneye14
Level 7

1080p HEVC stutter on TCL 43S525

Stuttered playback of a 1080p Main 10 h265/HEVC video file. Played through Plex, Emby, Roku Media Player via DLNA. All used direct play on local LAN. Video plays fine on Roku Smart Soundbar. Both are 4K HDR devices so should handle HEVC easily. TCL also plays 4k HEVC h265 files just fine. 

10 Replies
DubTaylor
Level 12

Re: 1080p HEVC stutter on TCL 43S525

It's not just your TLC.

HEVC Main 10 has 'the jerks' on a Roku Ultra 4660x as well.

Through Plex/Emby

Plex's DLNA server with Roku Media Player requires a (very painful) transcode, but then, of course, playback is smooth - it's no longer main 10 or hevc.

https://forums.plex.tv/t/hevc-main-10-1080p-stuttering-on-roku-ultra/563984

Daraclark
Level 7

Re: 1080p HEVC stutter on TCL 43S525

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ckwiat1
Level 8

Re: 1080p HEVC stutter on TCL 43S525

same issue on my TCL 75R635   but not on my old 55S425

I had to disable direct stream on my TV plex app.   Plex then is forced to transcode everything.  Takes a lot of CPU power.  How do we get Roku to push up an update to fix this.

Its the x265 1080p files that frame drop and are unwatchable

x264 work fine 

The r635 TV is brand new, this should not be happening.   I almost returned the TV until I figured out this issue.   

How do we get Roku to push up an update to fix this?

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erik29gamer
Level 8

Re: 1080p HEVC stutter on TCL 43S525

Just commenting to draw attention that this is STILL an issue. 65Q825 on running 9.4. 

Onijin
Level 8

Re: 1080p HEVC stutter on TCL 43S525

Still an issue on 55r625.

randomq
Level 7

Re: 1080p HEVC stutter on TCL 43S525

This is an issue on Onn Roku TV as well, but only with some x265 1080p. 

ckwiat1
Level 8

Re: 1080p HEVC stutter on TCL 43S525

Roku tech people.  Are you listening?   fix the x265 shuddering/jittering issue !!!

Mooneye14
Level 7

Re: 1080p HEVC stutter on TCL 43S525

Problem is with the video encoding. Nothing for Roku to fix. Solutions are here in URL from OP
https://forums.plex.tv/t/hevc-main-10-1080p-stuttering-on-roku-ultra/563984/47

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erik29gamer
Level 8

Re: 1080p HEVC stutter on TCL 43S525

That is great that there is a workaround.

But these files play just fine on every non-Roku device I have. There's clearly something going wrong with Roku's playback.

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