[html5] Autoplay and preload insufficient for proper video playback.

Kevin Carle kcarle at google.com
Fri Aug 27 15:47:05 PDT 2010

To be clear, I should have said "worked properly everywhere".

Chrome's fix is working its way through their trees (I don't think the
release version has it yet). Safari 5, at least, seems to work fine.
FireFox 4 apparently just checked this in (it's not in beta3 _at all_, no
buffered property on video, but I see a 8/19 blog post about it being
added), so it should be in beta 4?

So it's not something I would rely on yet, but it looks like an eventual
solution. In the meantime I might start experimenting with it where it


On Thu, Aug 26, 2010 at 9:14 PM, Eric Carlson <eric.carlson at apple.com>wrote:

> On Aug 26, 2010, at 1:47 PM, Kevin Carle wrote:
> >
> > At the very least it would be nice to be told how much had been loaded
> before playback began (maybe as part of an event). I suppose polling
> buffered would work, if buffered actually worked properly...
> >
> > Theoretical scenario:
> >
> > Listen for canplay -- this _should_ fire when just a couple frames are
> ready, yes?
> > Poll buffered state until desired buffer amount
> > Call play()
> >
> > I don't think this actually works today though, largely due to bad
> implementations of buffered.
> >
>   I am not aware of problems with WebKit's implementation, have you filed
> bugs?
> eric
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