On Tue, Jun 21, 2016 at 9:16 AM, Jack Moffitt <j...@metajack.im> wrote:

> > The problem is that you want notifications ahead of time that an element
> is
> > predicted to become visible, so you can decode images/video etc hopefully
> > in time to render the element the moment it becomes visible.
>
> Does this mean you need scroll velocity and other such data to make
> such a prediction?
>

Yes.


> > It's implemented as a seek operation, so you decode a keyframe and then
> as
> > many frames as necessary to reach the nominal current position.
>
> Does this mean it doesn't work for live video sources or MSE?
>

I don't know. Dan Glastonbury or Anthony Jones are on the video side,
Timothy Nikkel and Seth Fowler are on the layout/image rendering side.

Rob
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