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Re: timing model of the media resource in HTML5

From: Eric Carlson <eric.carlson@apple.com>
Date: Tue, 2 Feb 2010 07:18:23 -0800
Cc: Philip Jägenstedt <philipj@opera.com>, HTML Accessibility Task Force <public-html-a11y@w3.org>, Ken Harrenstien <klh@google.com>
Message-Id: <304A30EB-EF15-4357-9263-D19C853F178C@apple.com>
To: Silvia Pfeiffer <silviapfeiffer1@gmail.com>

On Feb 1, 2010, at 10:31 PM, Silvia Pfeiffer wrote:

> 
> You mentioned there are unique track identifiers in MPEG/QuickTime.
> Are those strings or numbers?
> 
  It is a 32-bit integer that uniquely identifies the track, see section 8.4 of ISO/IEC 14496-12 for MPEG-4 or http://developer.apple.com/mac/library/documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-25550 for QuickTime.

eric
Received on Tuesday, 2 February 2010 15:18:58 GMT

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