I have a Sampler plugin which you might be able to use as a substitute for the Queue - it takes time into account so will sample and play back at the same rate.
http://kriss.cx/tom/2012/04/sampler-2/ On 17 April 2012 12:53, Bruno Degazio <[email protected]> wrote: > On further testing I've determined that the Iterator is working fine. The > problem instead has to do with the way the Queue fills in non-real time. > Basically, the Queue fills in quick spurts that are unrelated to "frames". > In my composition, this is true even when the "continuous" mode is off, > because of the presence of a particle system upstream from the cue, which > causes the image to change on every tick of the external clock. Also, > various patches in the composition respond in realtime to incoming MIDI. > > The problem has now become, how to fill the queue with consecutive frames? > > All of this complication comes from the "pull data" paradigm of Quartz > Composer. Perhaps it simply isn't the right tool for this job. It works > wonderfully in rel-time response to MIDI, but my attempts to render it > into a video file seem inordinately complicated. > > ------------------------------------------------- > Bruno Degazio > Sheridan College, Oakville, ON > [email protected] > website: http://www-acad.sheridanc.on.ca/~degazio > > > > > On 2012-04-14, at 10:35 PM, Achim Breidenbach wrote: > > Hi Bruno, > > can you hack together a small sample composition where we can see this > sideeffect you are discribing? > > Best, > > Achim Breidenbach > Boinx Software > > > On 14.04.2012, at 17:28, Bruno Degazio <[email protected]> wrote: > > I've been having a problem using the Iterator in a composition driven from > an external timebase. The Iterator is used for a trail effect on a moving > sprite, and the external timebase is fed into the composition using OSC. > > Everything works fine when running the composition in real time, i.e. the > timebase being fed to it is very close in rate to the internal timebase of > Quartz Composer, but when I run the timebase at a very slow rate (e.g. for > rendering out individual frames in order to produce a quicktime video) the > result is quite different. It appears that the Iterator continues to run on > its internal timebase, despite being set to "External." > > Because the iterator is being fed images via a Queue, I thought the > problem might be there. But the problem persists whether the Queue is set > to "continuous" or not. > > Is this a known side-effect of working with Iterators, or am I doing > something wrong? > > thanks! > ------------------------------------------------- > Bruno Degazio > Sheridan College, Oakville, ON > [email protected] > website: http://www-acad.sheridanc.on.ca/~degazio > > > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Quartzcomposer-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > > https://lists.apple.com/mailman/options/quartzcomposer-dev/achim%40boinx.com > > This email sent to [email protected] > > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Quartzcomposer-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > > https://lists.apple.com/mailman/options/quartzcomposer-dev/bangnoise%40gmail.com > > This email sent to [email protected] > >
_______________________________________________ Do not post admin requests to the list. They will be ignored. Quartzcomposer-dev mailing list ([email protected]) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/quartzcomposer-dev/archive%40mail-archive.com This email sent to [email protected]
