Thanks for sharing this. I'll check it out and let you know. ------------------------------------------------- Bruno Degazio Sheridan College, Oakville, ON [email protected] website: http://www-acad.sheridanc.on.ca/~degazio
On 2012-04-18, at 6:33 AM, Tom Butterworth wrote: > 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/lifemusic%40sympatico.ca > > This email sent to [email protected]
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