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WebVTT captions not working in IE11

From: Michael A. Peters <mpeters@domblogger.net>
Date: Tue, 7 Feb 2017 03:09:20 -0800
To: "w3c-wai-ig@w3.org" <w3c-wai-ig@w3.org>
Message-ID: <cf3826a1-5bc2-6194-7d4a-02a3e618c97e@domblogger.net>
I am sorry if this isn't the right list.

Earlier this month, I viewed the Privacy International video at 
https://privacyinternational.org/node/1037

I loved the video so much, and it is CC by SA, that I wanted it on my 
website privacy page. But the video did not have subtitles.

So I created a WebVTT file and added it and it works in every browser I 
tried including IE-11 on Windows.

If curious (not pertinent) the video w/ captions can be seen at this 
link: https://naughty.audio/docs/Privacy#thirdparty

It works, and that made me happy.

Last time I had tried WebVTT (several years ago) it only worked on a few 
browsers, so I was happy to see working in all my Linux, Win7, and 
Android browsers.

-=-

Fast forward to today, I created a second WebVTT file for a new video - 
and it validates, is served as text/vtt and is UTF-8 - and it works 
everywhere I tried except for IE 11 in Windows 7.

In IE 11 - the html5 video player looks like it has subtitles but they 
never show.

The WebVTT file (contains some explicit content) - 
https://kink.eroticaplexus.net/VioletVideo/MySweetSweetPet.vtt

The test webpage where it is used (I am trying to convince a company 
that makes a lot of audios to make subtitled videos out of them):

https://kink.eroticaplexus.net/VioletVideo/

-=-

I believe multimedia on the Internet should have subtitles, and it is 
frustrating that everything appears to have been done correctly but IE 
11 still is not showing, with no error message I can see as to why not.

If anyone knows why IE 11 on Win 7 (I don't have Edge or any other 
Windows version to check with) might now use what appears to be a valid 
WebVTT file, I would love to know why so I can work around it, as 
clearly IE 11 does support WebVTT as my captioning of that privacy video 
worked.
Received on Tuesday, 7 February 2017 11:09:51 UTC

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