Mp4 not playing

Discussion in 'Mac Basics and Help' started by OceansideMacNW, Jul 7, 2010.

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  1. OceansideMacNW, Jul 7, 2010

    OceansideMacNW macrumors newbie

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    Jul 7, 2010
    #1
    My Mac won't automatically play an mp4. It comes up with an error message saying "This movie could not be opened. This is not a movie file:. What am I missing? I understand it should just automatically play...
     
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  2. spinnerlys, Jul 7, 2010

    spinnerlys Guest

    spinnerlys

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    #2
    With what player(s) are you trying to play it?

    Maybe open it in VLC and press CMD+I and see what it says under CODEC DETAILS and post them here.

    Also how big is the file in MB or KB? And where did you get it from? And do all .m4 files not play or just this one (or some others)?
     
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  3. HBOC, Jul 7, 2010

    HBOC macrumors 68020

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    #3
    VLC should play that. Does it have DRM?
     
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  4. OceansideMacNW, Jul 7, 2010

    OceansideMacNW thread starter macrumors newbie

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    Jul 7, 2010
    #4
    I am actually trying to play it from the web. I downloaded it and now it plays great. Sorry to waste your time :(
     
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