[Bug 17004] Define a timestamp offset mechanism

https://www.w3.org/Bugs/Public/show_bug.cgi?id=17004

--- Comment #7 from Kevin Streeter <kstreete@adobe.com> 2012-06-17 17:09:54 UTC ---
(In reply to comment #6)
> (In reply to comment #5)
> > * How easy is it for the application script to generate a text track on the
> > fly, in order to insert these events dynamically?
> 
> Very easy. We have an explicit JavaScript API to create text tracks and cues.
> See
> http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#dom-media-addtexttrack
> .
> 
> 
> > * What is the format of the text track metadata?
> 
> For @kind=metadata tracks, the format is free-form.
> 
> 
> > * Can there be multiple text tracks, so that the generated one doesn't
> > interfere with any "real" one that is a part of the content?
> 
> You can have as many text tracks as you like.

Thanks for this info Silvia, I feel like based on what you have described this
could adequately solve the problem.  The script would create a text track just
for the purposes of signaling interesting time boundaries.  It would then
inject text cues into this track with a presentation time that matches the
splice point, which would be dispatched when the splice point was reached.

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Received on Sunday, 17 June 2012 17:09:57 UTC