[Bug 25092] Need a way to inform script that resolution restrictions are applied

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25092

--- Comment #11 from Mark Watson <watsonm@netflix.com> ---
(In reply to David Dorwin from comment #10)
> I moved my proposal from comment #1 to bug 25409 since it addresses multiple
> scenarios, including the subject of that bug. It could still be the solution
> for this use case as well.

I think the proposal of bug 25409 is a good one, but I don't think it
adequately addresses this use-case.

Requiring content that might be subject to restrictions such as downscaling to
have a different key id, even a 'fake' one, is arbitrary and introduces a new
system requirement (multiple key ids embedded in content) to address a
limitation of a single platform (HTML).

In general we should be able to play any and all content that is compatible
with the byte-stream specification, including CENC for the ISO BMFF case. We
should not introduce additional requirements on the byte-stream unless
absolutely necessary.

I'd be interested, though, in whether this is in fact an MSE requirement ?
There could be other reasons why the UA might want to hint to the application
that it should switch to a lower-resolution stream.

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Received on Monday, 28 April 2014 22:52:20 UTC