[Bug 11984] <video>: Figure out the story with respect to honouring Content-Type headers vs sniffing content

https://www.w3.org/Bugs/Public/show_bug.cgi?id=11984

--- Comment #48 from Adrian Bateman [MSFT] <adrianba@microsoft.com> ---
(In reply to Ian 'Hixie' Hickson from comment #47)
> Is comment 6 still accurate?
> 
> Having different browsers do different things is bad for the platform as a
> whole.
> 
> What's the value of having MIME types here? I honestly don't really
> understand why we would _not_ want to sniff here, assuming we did it
> consistently. It seems like a strictly superior experience for both users
> and authors.

We're reviewing this topic again. I'll hopefully know more next week.

I think one problems is how feasible it is to sniff consistently. I recall that
our architecture doesn't make this very convenient - if we didn't rely on the
MIME type we would just pass the data stream to the media engine and let it try
to play. I'm not sure we get the opportunity to efficiently intercept this and
review the type of data in such a way that consistency would be easily
possible. It's one of the questions I'll ask.

So I guess one question is whether it is better to ignore the MIME type but not
necessarily consistently sniff the same way. After all, even if you agree on
how to sniff you're not guaranteed to always be able to play the same content.

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Received on Saturday, 4 January 2014 02:38:48 UTC