- From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
- Date: Fri, 28 Nov 2008 10:50:59 +1100
- To: "Jack Jansen" <Jack.Jansen@cwi.nl>
- Cc: "Dave Singer" <singer@apple.com>, "Media Fragment" <public-media-fragment@w3.org>
On Fri, Nov 28, 2008 at 9:23 AM, Jack Jansen <Jack.Jansen@cwi.nl> wrote: > > On 27-Nov-2008, at 13:22 , Silvia Pfeiffer wrote: > > When we did the temporal URI spec, we found that the best way to look > at temporal URIs is that they always specify a interval, and never > just a offset point. The only sensible use case for a single offset is > when one is trying to extract a keyframe at such an offset rather than > a media fragment - this could be done with content negotiation, but > may not be something we should consider. So, our assumption was that > the time always specified semi-open intervals: [20s,inf[ for #t=20s, > or [20s,40s[ for #t=20s-40s. I think this makes sense for us, too. > > Yeah! Semi-open intervals rule!! :-) > BTW: I was thought to write those sem-open intervals either as "[20s, 40s>" > (at school) or "[20s, 40s)" (at university). > Is the "[20s,40s[" a notation I'm not aware of, or a typo? Just the way I learnt them. But I also know [20s,40s). I've never seen [20s,40s> though. Cheers, Silvia.
Received on Thursday, 27 November 2008 23:51:34 UTC