[whatwg] Video with MIME type application/octet-stream

[David Singer]

I can't think why always sniffing is simple, or cheap, or desirable.  I'd love to get to never-sniff, but am not sanguine.


On Sep 9, 2010, at 0:07 , Philip Jägenstedt wrote:

> I think we should always sniff or never sniff, for simplicity.
> 
> Philip
> 
> On Wed, 08 Sep 2010 19:14:48 +0200, David Singer <singer at apple.com> wrote:
> 
>> what about "don't sniff if the HTML gave you a mime type" (i.e. a source element with a type attribute), or at least "don't sniff for the purposes of determining CanPlay, dispatch, if the HTML source gave you a mime type"?
>> 
>> 
>> On Sep 8, 2010, at 2:33 , Philip Jägenstedt wrote:
>> 
>>> On Tue, 07 Sep 2010 22:00:55 +0200, Boris Zbarsky <bzbarsky at mit.edu> wrote:
>>> 
>>>> On 9/7/10 3:29 PM, Aryeh Gregor wrote:
>>>>> * Sniff only if Content-Type is typical of what popular browsers serve
>>>>> for unrecognized filetypes.  E.g., only for no Content-Type,
>>>>> text/plain, or application/octet-stream, and only if the encoding is
>>>>> either not present or is UTF-8 or ISO-8859-1.  Or whatever web servers
>>>>> do here.
>>>>> * Sniff the same both for video tags and top-level browsing contexts,
>>>>> so "open video in new tab" doesn't mysteriously fail on some setups.
>>>> 
>>>> I could probably live with those, actually.
>>>> 
>>>>> * If a file in a top-level browsing context is sniffed as video but
>>>>> then some kind of error is returned before the video plays the first
>>>>> frame, fall back to allowing the user to download it, or whatever the
>>>>> usual action would be if no sniffing had occurred.
>>>> 
>>>> This might be pretty difficult to implement, since the video decoder might consume arbitrary amounts of data before saying that there was an error.
>>> 
>>> I agree with Boris, the first two points are OK but the third I'd rather not implement, it's too much work for something that ought to happen very, very rarely.
>>> 
>>> --
>>> Philip Jägenstedt
>>> Core Developer
>>> Opera Software
>> 
>> David Singer
>> Multimedia and Software Standards, Apple Inc.
>> 
> 
> 
> -- 
> Philip Jägenstedt
> Core Developer
> Opera Software

David Singer
Multimedia and Software Standards, Apple Inc.