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  1. {
  2. "title":"WebVTT - Web Video Text Tracks",
  3. "description":"Format for marking up text captions for multimedia resources.",
  4. "spec":"https://w3c.github.io/webvtt/",
  5. "status":"cr",
  6. "links":[
  7. {
  8. "url":"https://www.html5rocks.com/en/tutorials/track/basics/",
  9. "title":"Getting Started With the Track Element"
  10. },
  11. {
  12. "url":"https://dev.opera.com/articles/view/an-introduction-to-webvtt-and-track/",
  13. "title":"An Introduction to WebVTT and track"
  14. },
  15. {
  16. "url":"https://developer.mozilla.org/en-US/docs/Web/API/WebVTT_API",
  17. "title":"MDN Web Docs - WebVTT"
  18. }
  19. ],
  20. "bugs":[
  21. {
  22. "description":"In Firefox 49 and below, captions are not visible for audio-only files in the `video` tag ([see bug](https://bugzilla.mozilla.org/show_bug.cgi?id=992664))."
  23. },
  24. {
  25. "description":"Firefox 46 and below do not support the `textTrack.onCueChange()` event ([see details](https://stackoverflow.com/questions/28144668/html5-audio-texttrack-kind-subtitles-cuechange-event-not-working-in-firefox))."
  26. }
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  664. "samsung":{
  665. "4":"y",
  666. "5.0-5.4":"y",
  667. "6.2-6.4":"y",
  668. "7.2-7.4":"y",
  669. "8.2":"y",
  670. "9.2":"y",
  671. "10.1":"y",
  672. "11.1-11.2":"y",
  673. "12.0":"y",
  674. "13.0":"y",
  675. "14.0":"y",
  676. "15.0":"y",
  677. "16.0":"y",
  678. "17.0":"y",
  679. "18.0":"y",
  680. "19.0":"y",
  681. "20":"y",
  682. "21":"y",
  683. "22":"y",
  684. "23":"y",
  685. "24":"y",
  686. "25":"y",
  687. "26":"y",
  688. "27":"y",
  689. "28":"y"
  690. },
  691. "and_qq":{
  692. "14.9":"y"
  693. },
  694. "baidu":{
  695. "13.52":"y"
  696. },
  697. "kaios":{
  698. "2.5":"y #1",
  699. "3.0-3.1":"y #1"
  700. }
  701. },
  702. "notes":"WebVTT must be used with the [<track> element](/mdn-html_elements_track).",
  703. "notes_by_num":{
  704. "1":"Firefox 31 - 54 lacks support for the `::cue` pseudo-element. [See bug #865395.](https://bugzilla.mozilla.org/show_bug.cgi?id=865395)",
  705. "2":"Firefox 55+ implements `::cue` but still lacks support for the `::cue(<selector>)` pseudo-element with selector. [See bug #1321489.](https://bugzilla.mozilla.org/show_bug.cgi?id=1321489)"
  706. },
  707. "usage_perc_y":96.62,
  708. "usage_perc_a":0,
  709. "ucprefix":false,
  710. "parent":"video",
  711. "keywords":"captions,track,vtt,subtitles",
  712. "chrome_id":"6719115557339136",
  713. "shown":true
  714. }