[whatwg] TextTrack and addCue

Philip Jägenstedt philipj at opera.com
Thu Sep 27 01:30:11 PDT 2012

On Wed, 26 Sep 2012 21:41:34 +0200, Cyril Concolato  
<cyril.concolato at telecom-paristech.fr> wrote:

> Hi all,
> Has it been considered adding another method to add cues to a track?  
> Something like addCues(DOMString text) where the text is not only one  
> cue (like in the TextTrackCue ctor) but where the text would be multiple  
> cues as written in a WebVTT file? My use case is that I'm getting WebVTT  
> content from a server using XHR and I'd like to add that easily to the  
> track, without having to parse them myself. Ideally, I would like to  
> push the WebVTT content to the track a bit like the Media Source  
> Extension API. Another option (less ideal) would be to have a  
> WebVTTParser object with a parseFromString method returning a  
> TextTrackList (a bit like the DOMParser object). Each cue could be added  
> one by one.
> Comments?
> Cyril

You can parse WebVTT using a dummy video+track element and then move the  
cues to the actual track, why is this less than ideal?

Philip Jägenstedt
Core Developer
Opera Software

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