# HEVC transcoding with SRT subtitles

**URL:** <https://forums.plex.tv/t/hevc-transcoding-with-srt-subtitles/937772>\
**Category:** Plex Media Server\
**Tags:** server-linux\
**Created:** [April 6, 2026, 3:56pm UTC](https://forums.plex.tv/t/hevc-transcoding-with-srt-subtitles/937772 "2026-04-06T15:56:10Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![cprn](https://avatars.discourse-cdn.com/v4/letter/c/ecccb3/32.png) [@cprn](https://forums.plex.tv/u/cprn)\
**Post date:** [April 6, 2026, 3:56pm UTC](https://forums.plex.tv/t/hevc-transcoding-with-srt-subtitles/937772/1 "2026-04-06T15:56:10Z")

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Server Version#: 1.43.1.10576  
Player Version#: Plex for LG 5.94.1  
There are performance issues with HEVC transcoding and SRT subtitles. Burn in subtitles is turned off but as soon as a .srt subtitle is enabled the transcoder start buffering, with PGS subtitles it works fine.

I believe it moves the transcoding to the CPU when SRT subtitles are enabled instead of keeping it on the iGPU/GPU.

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**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\
**Post date:** [July 5, 2026, 3:56pm UTC](https://forums.plex.tv/t/hevc-transcoding-with-srt-subtitles/937772/2 "2026-07-05T15:56:25Z")

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