Hey, don't have experience with those formats, but photo- and motion-jpeg codecs just works well without async mode. I can play 3 or 4 movies in the same time with 60 fps in my app CoGe (cogevj.hu) which basically using a simple movie importer patch (with external timebase) for movie playback with QCRenderers.
On Sep 26, 2011, at 8:47 AM, Nisar Ahmed wrote: > Dear List, > > I have done several tests of composition with various types of video formats > such as DV-PAL, H.264, Animation etc... but the performance seems to drop > whenever a video file is used inside a composition. The best performance with > video was achieved when asynchronous mode was set in the video importer > patch. The performance gets worst when the composition is loaded inside a > cocoa application using QCRenderer. Can anyone tell me why QC behaves like > this specially with QCRenderer? > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/quartzcomposer-dev/tamas.lov.nagy%40gmail.com > > This email sent to tamas.lov.n...@gmail.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/quartzcomposer-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com