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

Edward O'Connor eoconnor at apple.com
Wed Jul 17 09:13:31 PDT 2013

Hi Ian,

You wrote:

> 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 
>> Recommendation: We suggest that the application should be able to 
>> discover the available speeds at which it can play 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?

Live streams. Do you really think browsers should have to pause and
buffer a live stream to make it possible to play it in FFWD?


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