W3C home > Mailing lists > Public > public-html-a11y@w3.org > September 2010

[Bug 10642] No alternative text description for video key frame (poster)

From: <bugzilla@jessica.w3.org>
Date: Thu, 30 Sep 2010 09:40:41 +0000
To: public-html-a11y@w3.org
Message-Id: <E1P1Fd3-0000Tk-FR@jessica.w3.org>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=10642

--- Comment #6 from Everett Zufelt <everett@zufelt.ca> 2010-09-30 09:40:40 UTC ---
(In reply to comment #5)
> (In reply to comment #4)
> > (In reply to comment #3)
> > > So presumably the title of the video would be sufficient?
> > > 
> > > If so, surely you'd want this regardless of whether a poster image has been
> > > explicitly provided or not, right?
> > 
> > No.  You presume incorrectly.  The title of the video, is different than the
> > alternative text for the post.
> > 
> > Title should always be required
> > 
> > Poster alt should be required whenever a poster has been explicitly set.
> > 
> > Title: 2010 Marathon Coverage
> > Poster alt: Sally Smith crossing the finish line with her hands upraised.
> 
> What if poster isn't explicitly set, but that's what the default poster (either
> the first frame of the video or set inside the media file) shows the same thing
> as what you describe in your example?

You're correct, the poster should have an alt if it is explicit or not.  For a
blank screen the alt can be ""

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Received on Thursday, 30 September 2010 09:40:46 UTC

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