QuickTime movie frame rate or duration (in time scale) of a frame
QuickTime movie frame rate or duration (in time scale) of a frame
- Subject: QuickTime movie frame rate or duration (in time scale) of a frame
- From: Roger Howard <email@hidden>
- Date: Tue, 19 Feb 2002 20:03:09 -0800
Greetings,
I need to calculate the duration (in time scale units) of a single frame of
a video track in a Quicktime movie... This would seem to be a very simple
task, simply divide the movie's "time scale" value by the video track's
frame rate, which would give the duration of a single frame.
The only problem is that I cannot find a property for "frame rate" of any
object in the Quicktime Player object model... Nor can I find any other
property (or properties) with which I could calculate that value.
Can anyone help, or is this is a known limitation of the object model??
Seems like a glaring omission at best, so I remain hopeful I'm missing
something.
Btw, I'm scripting on OSX 10.1.x using the latest Quicktime 5.05 (installed
with FCP3) if that makes a difference... Willing to write for OS9 if
necessary.
Thanks,
roger.howard
digital media specialist, the j. paul getty museum
internet & imaging technologist, binaryboy.org
mail email@hidden
mail email@hidden
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3When I dispair, I remember that all through history the way of truth and
love has always won. There have been tyrants and murderers and for a time
they seem invincible, but in the end, they always fall -- think of it,
always.2
- Mahatma Ghandi
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