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Subtitle Line Spacing Issue in Jellyfin on Firefox - Printable Version

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+--- Thread: Subtitle Line Spacing Issue in Jellyfin on Firefox (/t-subtitle-line-spacing-issue-in-jellyfin-on-firefox)



Subtitle Line Spacing Issue in Jellyfin on Firefox - rbrglez - 2024-10-17

I’m experiencing an issue with subtitles while using Jellyfin. When I connect to Jellyfin via the web GUI using Firefox and play a movie, I notice that there is a large gap between subtitle lines. However, when I check the subtitle settings in Jellyfin, I don't find any option to adjust the spacing between lines.
Interestingly, when I use the subtitle preview feature in the settings, the line spacing looks normal. This issue seems to be isolated to Firefox, as I tested the same scenario in Chrome, and the subtitles display correctly without the large gap.
I've attached screenshots comparing the same scene in both Firefox and Chrome for reference.

Screenshots:
  1. Firefox subtitles
  2. Chrome subtitles

System Information:
  • Firefox Version: 131.0.3 (64-bit)
  • Chrome Version: 130.0.6723.58 (Official Build) (64-bit)
  • Jellyfin Version: 10.9.11
  • Operating System: Pop!_OS 22.04 LTS

Has anyone else encountered this issue? Any suggestions for a fix or workaround would be appreciated!
Thanks in advance!


RE: Subtitle Line Spacing Issue in Jellyfin on Firefox - Fate - 2024-10-17

what subtitle format are we talking about? srt?


RE: Subtitle Line Spacing Issue in Jellyfin on Firefox - rbrglez - 2024-10-17

yes, subtitle format is *.srt
I didn't try with any other format.


RE: Subtitle Line Spacing Issue in Jellyfin on Firefox - TheDreadPirate - 2024-10-17

When using SRT subtitles, the client device is 100% responsible for rendering the subs. In this case, Firefox and Chrome. Jellyfin is 0% involved beyond sending the client the subtitle track. In my experience, Firefox is pretty terrible with subtitles and other users have reported similar issues. Also on Firefox.