So far I’ve found Premiere to be a bit clunky on quicktime-dominated macs. My studio will be going Premiere or Avid, and there’s a good chance will be saying bye bye to our macs. Partly because of clunkiness, but mostly because we don’t trust what Apple’s going to do next. However, AfterEffects runs super and always has on our macs.
I’m still exploring… but so far I like both DNxHD and CineForm in Premiere on a mac. Both rock for editing and are gorgeous codecs, and store alpha channels. Very comparable to ProRes. CineForm is a teeny bit buggy rendering on mac, but they are working to solve this. I don’t know what would cause the problems you’re having. The only playback issue I have discovered is at 1080p and highest bit rate, both playback a bit stuttery on a mac. I think it’s QT that is not interfacing nice.
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