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

RE: [Bug 11395] Use media queries to select appropriate <track> elements

From: Sean Hayes <Sean.Hayes@microsoft.com>
Date: Thu, 2 Dec 2010 10:52:17 +0000
To: "bugzilla@jessica.w3.org" <bugzilla@jessica.w3.org>, "public-html-a11y@w3.org" <public-html-a11y@w3.org>
Message-ID: <8DEFC0D8B72E054E97DC307774FE4B91330C2B77@DB3EX14MBXC315.europe.corp.microsoft.com>
Flashing should be an outright prohibition and not a user preference, because those susceptible might not find out until after the damage is done.

-----Original Message-----
From: public-html-a11y-request@w3.org [mailto:public-html-a11y-request@w3.org] On Behalf Of bugzilla@jessica.w3.org
Sent: 02 December 2010 03:43
To: public-html-a11y@w3.org
Subject: [Bug 11395] Use media queries to select appropriate <track> elements


Silvia Pfeiffer <silviapfeiffer1@gmail.com> changed:

           What    |Removed                     |Added
                 CC|                            |silviapfeiffer1@gmail.com

--- Comment #4 from Silvia Pfeiffer <silviapfeiffer1@gmail.com> 2010-12-02 03:42:34 UTC --- My understanding of DAC-2 was that we are going to provide a menu that displays all available tracks to the user to let the enable/disable the track display.

On top of this, there will be user settings in browsers for the preferred tracks to be active by default. If the kind/lang combination of a track matches a user's preferences, the track will automatically be turned on.

As for the "repetitive stimuation" issue - I guess what you are saying is that a video that e.g. provides strobelight, and can cause seizures, should be marked as such and not play for people who may have indicated such an anit-preference in their browser. Are there any other such use cases where videos are dangerous to certain user groups and must not be shown to them at all (apart from porn, I guess)? I don't really think media queries are the right solution for that (since it's not a property of the display media that we are filtering on, but a user preference). I think it might be better to introduce another attribute for such things, something like @indication which can indicate what audience to avoid (e.g. adult, strobe etc).

Haven't made up my mind on this though, just thinking out loud...

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Received on Thursday, 2 December 2010 10:53:33 UTC

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