[M4IF Technotes] MP4 and QT Compatibility

[AVARO Olivier FTRD/DIH/REN]

Dear Ben, all,
>     Alas, no.  You can losslessly transcode the video and 
> audio tracks of a
> file, but interactivity and other object based stuff is very 
> different in
> QuickTime compared to MPEG-4.  MPEG-4 uses the VRML-derived 
> BIFS, while
> QuickTime uses something called Wired Sprites.

Well, I would tend to disagree with this.
Although I have not seen it done, yet, I have seen transcoding from
SMIL/SVG, Flash, Powerpoint, ... to MPEG-4, including interactivity.