[Bug 19531] simplify MIME type capability detection

https://www.w3.org/Bugs/Public/show_bug.cgi?id=19531

--- Comment #4 from Adrian Bateman [MSFT] <adrianba@microsoft.com> ---
(In reply to comment #2)
> That wasn't my original intent when I wrote that. My original intent was "if
> you want to support WebM in MSE, then you must follow the rules that are
> outlined below". I didn't mean to imply that if canPlayType() indicates WebM
> support then the MSE implementation must support the associated bytestream
> as well. 

We should clarify this text. I think we definitely want to say that supporting
a format in the HTML5 media element doesn't imply MSE support for it.

> I was planning on responding to this bug with something along the lines of
> the following:
> 
> partial interface MediaSource {
>   static bool isTypeSupported(DOMString type);
> };

Something like this seems reasonable.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.