Re: Quicktime Atoms
Re: Quicktime Atoms
- Subject: Re: Quicktime Atoms
- From: jim <email@hidden>
- Date: Sat, 26 Apr 2003 00:20:12 -0400
I am the guy who asked the question and after spending a considerable
amount of time thinking there was some mystical concept, It appears
that atoms are just "complex" nodes which contain different structures
which may or may not contain a leaf. I can see that Apple had to come
up with some name for what they were doing. Classic atoms and QT
atoms are the same thing with one exception, (and it appear the
classic is not like OS9 classic) there is this offset needed for
classic atoms and QT atoms don't need the offset (cuz they be special)
Thanks for all the input from all the respondents.
Jim
On Friday, April 25, 2003, at 12:30 PM, Jim Rankin wrote:
On Thursday, April 24, 2003, at 07:16 PM, Jean-Daniel Dupas wrote:
QT atoms are basic containers that QuickTime uses to construct
hierarchical
data structures. A newly created QT atom is like the root of a tree.
Each
subsequent QT atom is contained in it and contains either data or
other
atoms. If a QT atom contains other atoms, it is called a parent atom
and the
atoms it contains are called its child atoms. If a QT atom contains
data, it
is called a leaf atom. Applications and other kinds of software can
also use
the QT atom architecture to store data. For further information about
QT
atoms, see "Movie Toolbox: Fundamentals." "
Uh, so QT Atoms are trees? Why didn't they call them QT Trees?
No wonder the guy who asked this question was so confused.
Best,
-jimbo
(who knows nothing about QT)
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