Hls.js: TextTrack won't clear when seeking in FireFox

Created on 30 May 2019  路  3Comments  路  Source: video-dev/hls.js

What version of Hls.js are you using?

12.4

What browser and OS are you using?

MacOS (High Sierra) and Windows 10 (64-bit), FireFox 67.0 (64-bit)

Test stream:



https://hls-js.netlify.com/demo/?src=https%3A%2F%2Fd2zihajmogu5jn.cloudfront.net%2Fbipbop-advanced%2Fbipbop_16x9_variant.m3u8&demoConfig=eyJlbmFibGVTdHJlYW1pbmciOnRydWUsImF1dG9SZWNvdmVyRXJyb3IiOnRydWUsImVuYWJsZVdvcmtlciI6dHJ1ZSwiZHVtcGZNUDQiOmZhbHNlLCJsZXZlbENhcHBpbmciOi0xLCJsaW1pdE1ldHJpY3MiOi0xLCJ3aWRldmluZUxpY2Vuc2VVcmwiOiIifQ==

Checklist

Steps to reproduce

  1. Open https://hls-js.netlify.com/demo in FireFox.
  2. Test with the stream in the above.
  3. When seeking back or forth, the captions are getting stuck on the textTrack and would not
    clear.

Expected behavior

The textTrack should dispaly only the correct VTTCue.

Actual behavior

VTTCues are getting stuck on the textTrack and would not clear.

See screenshot:
image

Bug Confirmed

Most helpful comment

this is a reported Firefox bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1551285
It is fixed on Firefox 68.

All 3 comments

@shalommeoded Thanks for the report, I'll schedule this for the next minor patch.

this is a reported Firefox bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1551285
It is fixed on Firefox 68.

@OrenMe Great, thanks for looking into this. Can confirmed its fixed

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