[whatwg] <video>/<audio> feedback
ian at hixie.ch
Thu Apr 30 09:37:58 PDT 2009
On Thu, 30 Apr 2009, Silvia Pfeiffer wrote:
> Because media fragment URIs will not deliver the full resource like a
> HTML page does, but will instead only provide the segment that is
> specified with the temporal region. http://example.com/video.ogg#t=5s
> only retrieves the video from 5s to the end, not from start to end.
> So you cannot scroll to the beginning of the video without another
> retrieval action: i.e. assuming we displaying the full video timeline
> for a <video src="http://example.com/video.ogg#t=5s"..> element, and
> then the user clicks on the beginning of the video, a
> http://example.com/video.ogg#t=0s request would be sent.
> The difference is the need for the additional retrieval action, which,
> if the full resource was immediately downloaded for
> http://example.com/video.ogg#t=5s would not be necessary. But that's not
> how media fragments work, so I tried pointing this out.
It's generally understood that videos wouldn't be downloaded all at once
anyway; UAs are expected to download the bits they want to cache, jumping
in and out of the resources as the user seeks, etc. So this doesn't seem
like a major difference to me.
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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