how to get the frame rate of a Quicktime movie?

[Josh Mellicker]

I found the following post from 2002:


> Thanks Karl
>
> Here's what I have come up with so far.
>
> To determine the frame-rate of a video clip:
>
> It seems that if you advance the video clip from 0 by 1 frame (play  
> step
> forward) and divide the timescale property by the currenttime  
> property, the
> result is the video frame rate.
>
> Can anyone think of a better solution?
>
> Quicktime has both a timescale and a timebase property, but RR  
> doesn't seem
> able to access the timebase.
> -- 
> Robert Arnold
> Associate Professor of Film
> Boston University
> Tel (617) 353-7735  Fax (617) 353-1084
> http://people.bu.edu/rfarnold/


I have tried "play step forward" in a myriad of forms.

Has anyone successfully used this command?