[whatwg] <video> element feedback

Nicholas Shanks contact at nickshanks.com
Wed Mar 21 11:31:29 PDT 2007

On 21 Mar 2007, at 12:43, Sander Tekelenburg wrote:

> Something else concerning first-class Netizenry: I'd like to see  
> the spec to
> require UAs support implicit anchors, so that one can link to a  
> specific
> startpoint: <URL:http://domain.example/movie.ogg#21:08>, to mean  
> "fetch the
> movie and start playing it at 21 minutes 8 seconds into the movie".  
> (Or
> better yet, if this can be achieved reliably, don't fetch the  
> entire movie,
> but only from 21:08 on.)

Well besides the fact that fragment ids cannot start with a number  
nor contain a colon, you have to consider the problem of multiple  
unequal representations. In this example equivalent content is not at  
the same time offset. Clicking the link should take you to the  
relevant place whether the UA is rendering the video, the audio or  
the transcript:

<p>You <a href="#gegenschein">see the gegenschein</a> if you really  
<video src="video-with-visual-splash.mpeg">
	<fragment-position for="#splash" time="00:00" />
	<fragment-position for="#gegenschein" time="02:13" />
	<audio src="audio-with-spoken-splash.aiff">
		<fragment-position for="#splash" time="00:00" />
		<fragment-position for="#gegenschein" time="02:24" />
		<!-- transcript fallback -->
		<section id="splash"><p>Produced by Foo Corporation</p></section>
		<section id="gegenschein">

- Nicholas.

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