[whatwg] media elements: Relative seeking

Ian Hickson ian at hixie.ch
Mon Dec 1 18:21:29 PST 2008

On Tue, 2 Dec 2008, Chris Double wrote:
> It's not possible to always provide accurate values for duration - we've 
> already discussed that and you suggested estimating. I don't see that as 
> an accurate value.

The spec does allow for estimations and provides for the estimate being 
revised dynamically.

> Can you link to the post where implementors said they would always 
> provide accurate values?

The attributes were removed based on:

> The only accurate value I can provide with Ogg is the exact duration if 
> the http server supports byte range requests, or some other out of band 
> duration metadata (X-Content-Duration, etc). Without byte range 
> requests, accurate duration is not possible.

That's fine, just update it as you get more info.

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'

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