- From: Eric Carlson <eric.carlson@apple.com>
- Date: Wed, 14 Jul 2010 14:59:00 -0700
- To: "HTML Accessibility Task Force" <public-html-a11y@w3.org>
On Wed, July 14, 2010 2:06 pm, Janina Sajka wrote: > Eric Carlson writes: >> >> On Jul 13, 2010, at 8:51 PM, Janina Sajka wrote: >> >> To me, "synchronize all media representations" means the data file >> will be used to control the *playback* of the media file. Is this what >> you intended, or is the data file supposed to be used to allow >> *navigation* of the media file? >> > It has to be achieved somehow, of course. And, however it's achieved, > whatever alternative media representations are selected must track with > the default content. > Apologies but I still don't understand what "synchronize all media representations" means. Does it mean the data file controls playback or navigation? > It does also seem to me that the playback control data file should > contain structural nav points as well. In fact, it seems Ian is trending > in this direction: > http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#the-track-element > Yes, this is all based on the multi-track stuff Silvia and I wrote earlier this year. eric
Received on Wednesday, 14 July 2010 21:59:33 UTC