[Webkit-unassigned] [Bug 82348] Audio Element playbackrate < .5 are rounded up

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=82348


Eric Carlson <eric.carlson at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |WONTFIX




--- Comment #4 from Eric Carlson <eric.carlson at apple.com>  2012-04-04 12:39:16 PST ---
(In reply to comment #3)
> (In reply to comment #2)
> > Not all media engines are able to play back audio at arbitrary rates. In this case the lowest rate supported is apparently 0.5, so it is being clamped to that rate.
> 
> Thanks for looking at this.
> 
> Is playing at .5 the right behavior in that case? Wouldn't throwing an error be preferred?

There was a discussion about this about 18 months ago on the HTML5 mailing list. The spec editor feels strongly that a UA should do whatever tricks it has to to make it appear that playback is progressing at playbackRate, for example seeking and playing a snippet, seeking again, etc. 

A bug was filed against the HTML spec about this, but it was closed as WONTFIX. See http://www.w3.org/Bugs/Public/show_bug.cgi?id=10837 for a discussion.

WebKit previously returned the actual playback rate, ie. the rate at which the media engine was playing, but because of the spec change it was updated to always return whatever value was last set.

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