# Why does plex transconding my video? **URL:** \ **Category:** Plex Media Server\ **Tags:** server-linux, lg-webos\ **Created:** [November 30, 2020, 9:28pm UTC](https://forums.plex.tv/t/why-does-plex-transconding-my-video/659873 "2020-11-30T21:28:44Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![akam](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/akam/32/167815_2.png) [@akam](https://forums.plex.tv/u/akam)\ **Post date:** [November 30, 2020, 9:28pm UTC](https://forums.plex.tv/t/why-does-plex-transconding-my-video/659873/1 "2020-11-30T21:28:45Z")
Server Version#: v1.21.0.3616-d87012962 Hello, why does plex media server run transcoding when I am watch 4k film on my LG TV webos? It is get 100% cpu usage and buffering very often. Is it possible to watch 4k film without transcoding? ![Screenshot from 2020-11-29 21-26-44](https://global.discourse-cdn.com/plex/original/3X/0/5/059c428924cbc0498a8e48ca1d3dd9cdeb5f044d.png) ---
**Author:** ![tom80H](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/tom80h/32/19753_2.png) [@tom80H](https://forums.plex.tv/u/tom80H)\ **Post date:** [November 30, 2020, 9:30pm UTC](https://forums.plex.tv/t/why-does-plex-transconding-my-video/659873/2 "2020-11-30T21:30:00Z")
> [@\[INFO\] Plex, 4k, transcoding, and you - aka the rules of 4k](https://forums.plex.tv/t/info-plex-4k-transcoding-and-you-aka-the-rules-of-4k/378203/): > > NOTE: for 2022 – Plex has come a long way since this FAQ was originally written, HW transcoding has become more available and more stable, and tone mapping was recently added to address the hdr/sdr color conversion issues. The first 4 ‘rules’ generally are no longer as important as they once were, but may still be a good thing to bear in mind. Dolby Vision, is an entirely other mess. THIS thread/FAQ is NOT about DV. DV work is still in progress, and there are no perfect TV’s or external devic… ---
**Author:** ![FordGuy61](https://avatars.discourse-cdn.com/v4/letter/f/22d042/32.png) [@FordGuy61](https://forums.plex.tv/u/FordGuy61)\ **Post date:** [December 1, 2020, 12:45am UTC](https://forums.plex.tv/t/why-does-plex-transconding-my-video/659873/3 "2020-12-01T00:45:30Z")
Try turning off subtitles if enabled. When using the Plex LG app, enabling image based subtitles forces a video transcode. If the audio is transcoding enabling any type of subtitle forces a video transcode. ---
**Author:** ![TeknoJunky](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/teknojunky/32/165055_2.png) [@TeknoJunky](https://forums.plex.tv/u/TeknoJunky)\ **Post date:** [December 1, 2020, 12:56am UTC](https://forums.plex.tv/t/why-does-plex-transconding-my-video/659873/4 "2020-12-01T00:56:33Z")
that is a lot of threads, looks like it is analyzing, not transcoding ? ---
**Author:** ![ChuckPa](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/chuckpa/32/79710_2.png) [@ChuckPa](https://forums.plex.tv/u/ChuckPa)\ **Post date:** [December 1, 2020, 1:10am UTC](https://forums.plex.tv/t/why-does-plex-transconding-my-video/659873/5 "2020-12-01T01:10:23Z")
Standard query: Log files please which capture this happening? 😃 ---
**Author:** ![akam](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/akam/32/167815_2.png) [@akam](https://forums.plex.tv/u/akam)\ **Post date:** [December 5, 2020, 9:52am UTC](https://forums.plex.tv/t/why-does-plex-transconding-my-video/659873/6 "2020-12-05T09:52:26Z")
thank you, everybody, for your answers. there were subtitles enabled. I have disabled them and transcoding stopped. ---
**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\ **Post date:** [March 5, 2021, 9:52am UTC](https://forums.plex.tv/t/why-does-plex-transconding-my-video/659873/7 "2021-03-05T09:52:30Z")
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