Cannot sync MPEG-4 to iPhone 3G iOS 3.1.2

Discussion in 'Mac Apps and Mac App Store' started by GregPQ, Oct 29, 2011.

  1. GregPQ macrumors regular

    GregPQ

    Joined:
    Jan 2, 2010
    Location:
    Massachusetts
    #1
    Hi,
    I'm wondering if my old 3G running iOS 3.1.2 is incapable of playing the video in question, which I subscribed to in iTunes University. It is the Planète Terre series from the University of Montreal and comes in MPEG-4. When I tried to drag to my iPhone, the error msg said that it was not copied to my iPhone "because it cannot be played on this iPhone".

    I went ahead and tried Advanced|Create iPod or iPhone version. It did show a conversion progress bar for quite a while, but I did not see a second version created. I was under the impression that an iPhone could play a MPEG-4 file and that no conversion would be necessary.

    Thanks,
    Greg
     
  2. AdrianK, Oct 29, 2011
    Last edited: Oct 29, 2011

    AdrianK macrumors 68020

    Joined:
    Feb 19, 2011
    #2
    Yes, but there's sub-restrictions for that as well (bitrate, resolution, profile, audio etc). By any chance, was this an HD podcast?

    You will most likely find the converted version somewhere in your Music/iTunes/iTunes Media folder.

    EDIT: Looking at the file, I believe it's the fact that it was encoded with 3 reference frames that's making it non-compliant for iOS devices pre-A4.
     
  3. GregPQ thread starter macrumors regular

    GregPQ

    Joined:
    Jan 2, 2010
    Location:
    Massachusetts
    #3
    Thanks, Adrian. Wow. I appreciate such a quick--and definitive--reply.

    I am finding that more and more Apps will not play on iOS 3 either.

    Another argument in favor of upgrading to 4S, I suppose.

    Thanks again.

    Greg
     

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