[whatwg] <video preload> implementation feedback
Chris Pearce
cpearce at mozilla.com
Thu Aug 18 20:13:46 PDT 2011
On 19/08/2011 12:01 a.m., Philip Jägenstedt wrote:
> I think that too much variation in how preload is implemented is also
> likely to give compat problems. In
> <http://www.w3.org/Bugs/Public/show_bug.cgi?id=12596#c7> I have an
> example of what might break when pages inevitably assume that
> preload="none" causes the loadedmetadata event to not be fired.
This seems a valid reason to change from "should" to "must" for preload.
I agree.
> If you only allow the internal state to increase, don't you need to
> reset it at some point as well? Or is it impossible in your
> implementation to use preload="auto" on one load and
> preload="metadata" on the next due to this?
Oops, that is impossible in our implementation. That's a bug! I'll fix
that, thanks for pointing this out. I agree that it we should specify
when the preload internal state is updated to prevent this bug in other
implementations. Resetting the internal preload state inside the
synchronous section of the resource selection algorithm as you suggest
is sensible. I agree with you!
Cheers,
Chris Pearce.
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