Andrew Friedman wrote...
> It strikes me that QuickTime reference movies like EDLs (Edit decision lists)
> are a way of describing edits, transitions and effects while leaving source
> media in tact.
That's correct.
> ...I was rather suprised to see that for the most part editors treat reference
> movies no differently than flattened media. That is, the structure of the
> movie is not visible, and it is not possible to reedit it, for example by
> altering transitions, or effects or changing in-out points.
Yes, most software is not smart enough to handle QuickTime Movies on
anything but a superficial level.
> Am I missing something about the suitability of reference movies to be
> re-editable? The format may be a little low level since it doesn't specify
> timing relationships between clips for example but I would have thought that
> the potential support for it as a rediting format would make up for any
> deficiency.
The QuickTime Movie file format would make it easy to add whatever
metadata would be necessary more explicitly specify the relationships
between different clips, etc. This is why, when QuickTime was more of a
focus for Apple, the Avid/Microsoft AAF -- (Yet) Another Authoring Format --
was (properly) deemed unnecessary silliness.
However, with Apple's recent announcement that they're adopting AAF as an
authoring/interchange format, the future of the QuickTime Movie format as an
authoring/interchage format gets blurrier.
> If not QT, what (if any) is the best candidate for an interchange format for a
> reditable movie.
In my opinion, a superset of SMIL 2.0 would be a much better choice than
AAF.
--
Charles Wiltgen
"Well, once again my friend, we find that science is a two-headed beast.
One head is nice, it gives us aspirin and other modern conveniences...
but the other head of science is bad! Oh beware the other head of
science...it bites!" -- The Tick
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