Hello QuickTimers,
Being new to QT I have to start by pre-excusing myself for asking questions
that will probably insult someone somewhere. I am developing a music app
with 2 components:
Composer
Allows the user to compose a song by importing audio clips into tracks and
defining properties, e.g. how many times each clip should loop and at what
volume it should play
Player
Reads the music file created by the Composer and mixes the tracks in real
time according to "instructions" in the file (i.e. when each clip plays, how
many lops and how load)
If I wanted a proprietary file format, I would probably define one which
encoded a collection of "audio clip" objects, each of which encapsualted the
following properties: Start Time(s), Loop count, Volume, Audio Data.
But we want to target the leading multimedia formats and optimze audio
performance, so this naturally led me to MPEG4. Big standard, not v useful
ref code, etc...
Then I looked at QuickTime and saw this wealth of examples, excellent
documentation (Mac/PC cross-platform etc..) and reckon that I should
seriously consider this option.
And so to the questions:
1 If I am right that QT would be well suited to the appplication, what would
be the key components for me to understand?
2 If I want to be able to import/export .mp4 files, QT can do this right?
3 The general scheme smacks a little of GarageBand and I'm wondering if I
can find out about the Apple Loops format - is Apple Loops in fact a
spin-off from QT, is it totally proprietary and if so anyone know of any
plans to open it up?
Thanks
Culann
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