[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

Ian 'Hixie' Hickson <ian@hixie.ch> changed:

           What    |Removed                     |Added
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                 CC|                            |roc@ocallahan.org

--- Comment #44 from Ian 'Hixie' Hickson <ian@hixie.ch> ---
http://www.hixie.ch/tests/adhoc/html/video/001.html

Firefox supports WebM and Ogg, sniffs the MIME type if it's specified as
application/octet-stream, and otherwise interprets the data as the given type
without sniffing (so it gives a different error message for when the type
doesn't match, e.g. an Ogg file labeled as WebM, and for when the type isn't
supported, e.g. an Ogg file labeled as text/plain).

Chrome ignores MIME types entirely, supports WebM, H.264, and Ogg Theora.

Safari supports only H.264, but seems to entirely ignore the MIME type.

My notes say that IE used to entirely sniff. I don't have a modern IE around to
test, unfortunately.

So, I guess we should just sniff.

I haven't checked how the browsers sniff.

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Received on Wednesday, 11 December 2013 22:05:53 UTC