captions - Chromecast VTT not showing -

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i creating chromecast app streams video , uses out of stream vtt captions. have managed load ttml require load vtt have following code

this.player.enablecaptions(true, 'vtt', 'http://some_file.vtt');

this fails within mediaplayer.js tyhe following error

uncaught typeerror: cannot read property 'parse' of null

this looks in code load individual cues has come across problem?

you need add (text/audio) track(s) information mediainfo , set active track. take @ guide. aware having tracks, when media mp4, require cors.


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