[M4IF Technotes] Multiple Tracks + n hint tracks!

[Dave Singer]

At 17:12 +0000 3/5/03, Nikki Cranley wrote:
>Hi,
>I was just wondering,
>if I have a file with, for example, 3 video tracks and one hint 
>track, is this hint track applicable to all video tracks or do I, in 
>fact, need a hint track per track? Is there a pointer within the 
>hint atom which points to one track in particular?

hint tracks may draw from one media track (e.g. simple RTP) or more 
(e.g. a multiplex format such as mpeg-2 transport).  They are linked 
by track references to the tracks that they hinted, so you can tell 
what uses what.
>
>Rgds,
>Nikki Cranley,
>
>Performance Engineering Lab,
>Mobile Multimedia,
>DCU School of Engineering, S220
>UCD Dept. of Computer Science, A006
>*************************************************
>PEL LAB: <http://www.eeng.dcu.ie/~pel/>http://www.eeng.dcu.ie/~pel/
>RESEARCH: <http://www.eeng.dcu.ie/~cranleyn/>http://www.eeng.dcu.ie/~cranleyn/
>ART: 
><http://www.eeng.dcu.ie/~cranleyn/art/>http://www.eeng.dcu.ie/~cranleyn/art/
>*************************************************
>
>

-- 
David Singer
Apple Computer/QuickTime
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