Firefox/next
Firefox 99 Nightly now experimentally supports WebVTT video subtitles in Picture-in-Picture mode.
This is the bugzilla reference page: https://bugzilla.mozilla.org/show_bug.cgi?id=1748884
WebTT
Web Video Text Tracks Format (WebVTT) is a format for displaying timed text tracks (such as subtitles or captions) using the
https://developer.mozilla.org/en-US/docs/Web/API/WebVTT_API<track>
element. The primary purpose of WebVTT files is to add text overlays to a<video>
. WebVTT is a text based format, which must be encoded using UTF-8. Where you can use spaces you can also use tabs. There is also a small API available to represent and manage these tracks and the data needed to perform the playback of the text at the correct times.
How to enable Firefox WebVTT PiP experimental support
- Install Firefox Nightly from this link
- Type about:config in Firefox address bar.
- Set media.videocontrols.picture-in-picture.display-text-tracks.enabled to true
Test WebVTT in Picture-in-Picture
You can test this feature in HTML5 videos samples available here:
https://www.iandevlin.com/html5test/webvtt/html5-video-webvtt-sample.html
https://thepaciellogroup.github.io/AT-browser-tests/test-files/video.html
https://ronallo.com/demos/webvtt-cue-settings/
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