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Multiple random-length looping sections within a video


amyb
Mar 29 2012 | 10:36 am

Hi all! My idea is simple: to create a patch which loops two separate sections of a qt file. These two looped sections would loop a random number of times, allocated arbitrarily by a value from 1 to 10 (i.e. the numbers signify the number of loops / repetitions)

Being a complete noob, I don’t have any idea how to do this. I’ve been stoically working through the tutorials, but I can’t see how this could be done…can anyone help?

Many thanks,
A


amyb
Mar 29 2012 | 10:37 am

p.s. I am using Max 6.0


Andrew Benson
Mar 29 2012 | 4:14 pm

There’s a couple features of jit.qt.movie that you’ll want to familiarize yourself with. First is the loop attributes. You can set @looppoints to define a looping region of the movie file, and "@loopreport 1" to have jit.qt.movie notify when it reaches the loop point.

Alternately, (the way I would recommend for this) you can drive the movie frame using a counter (or accum or any source of numbers) and a "frame $1" message. This will give you the tightest control over playback. There are a variety of ways in Max to store numbers for the loop points.


amyb
Mar 31 2012 | 10:19 am

Thanks alot! This was very helpful – got some way with it now, but coming a cropper on a few things. If time and concentration don’t smooth them out, watch this space….

Thanks again!
A

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