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  • h.264 problems with Leopard/QT??

  • Jimmy Brunger

    April 24, 2009 at 10:04 am

    Hi all,

    Kind of an After Effects/Quicktime/OSX question…so if you can help that’d be great!….

    Working on a massive After Effects project that we update it contains quite a few video clips that are h.264 (I know, I know..DON’T USE H264 IN AE!!!) but truth is, they’ve work absolutely fine in AE for the last 3-4 years and to go in and find which ones are h264 and re-export them all is a mammoth job we haven’t got time to do.

    So..the problem – all of a sudden (in the last few months) h264 clips have missing (actually they are duplicated I think) frames when tapped frame to frame in Quicktime..and subsequently also in AE. These clips were fine this time last year.

    On our Tiger machines I have found the culprit to be any versions of Quicktime AFTER 7.5. I have run Pacifist and then QT 7.5 on these machines and now the clips play fine.

    HOWEVER, on our Leopard machines I have gone back as far as QT 7.4 and the problem remains. I checked the install log on the machine and it was running 7.4.5 this time last year and the clips ran fine then. The only other thing I can think it is is an Mac OSX 10.5.? update that has conflicted with QT. Obviously wiping the machine down and re-installing an earlier version of Leopard is undesirable!

    Has anyone had this problem and found a solution?


    AE7 Pro – Nucleo – Mocha v1.2.3 – PS CS3 – FCP 5.1.4
    MacPro Quad 3GHz / ATI 1900XT / 8GB RAM / OSX 10.4.11
    30″ ACD / Decklink SP / SONY PVM-20M4E/ Wacom Intuos 3 A4 / XServe / United Digital RAID
    Production Studio CS2 – Combustion 3 – Mocha v1.0.1
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