W3C home > Mailing lists > Public > whatwg@whatwg.org > July 2013

Re: [whatwg] Proposal: Media element - add attributes for discovery of playback rate support

From: Ian Hickson <ian@hixie.ch>
Date: Tue, 16 Jul 2013 23:45:16 +0000 (UTC)
To: "Peter Carlson (carlsop)" <carlsop@cisco.com>
Message-ID: <alpine.DEB.2.00.1307162343520.9685@ps20323.dreamhostps.com>
Cc: "whatwg@whatwg.org" <whatwg@whatwg.org>
On Wed, 30 Jan 2013, Peter Carlson (carlsop) wrote:
>
> Problem: The problem is that the supported playback speeds of a media 
> element may vary per media item (e.g., an on-demand movie) and as 
> supported by the underlying platform. Currently the application has to 
> discover the supported speeds by trial and error or by an alternative 
> non-HTML5 method that links to the media element.
>
> Recommendation: We suggest that the application should be able to 
> discover the available speeds at which it can play the media element. 
> These speeds provide the allowed playbackRate values. These speeds are 
> provided as attributes of the media element.

This seems less good than just having the browsers support all playback 
speeds, e.g. by decoding into a local buffer. Why would we prefer to 
expose the media's limitations rather than removing them?

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Tuesday, 16 July 2013 23:45:40 UTC

This archive was generated by hypermail 2.4.0 : Wednesday, 22 January 2020 17:00:03 UTC