iPhone 4 video playback on 27"iMac i5 is like a fairground hall of mirrors

Discussion in 'iMac' started by TitularHead, Jun 24, 2010.

  1. TitularHead macrumors newbie

    Joined:
    Jun 24, 2010
    #1
    Hi everyone,

    Please don't judge me a troll. I have been reading these forums for a long time and this is the first time I have ever felt the need to post before but this is something which needs fixing and needs fixing quick.

    Apple don't make it easy to report a bug unless you work for them. I suppose they think that Richard Normal doesn't ever come across something the campus elves missed.

    Possibly the elves missed this:- Either they missed it or I took LSD.

    Try recording a video on your iPhone 4, make sure you get lots of very straight lines all over the video. I had stairs, a window frame and a filing cabinet in my film.

    Play the video back the way it plays when you click on it . Great!

    Play the video back the way it plays when you click on the two arrows thingy - Great!

    Now maximise the video playback and watch the hall of mirrors effect as the straight lines turn wavy before your eyes.

    I have only been a Mac owner for six months. There's a strong possibility I am doing something wrong and if that is the case then I apologise now.

    Please don't tell me to reset my PRAM Hellhammer!

    Thanks in advance for any advice.

    D
     

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  2. queshy macrumors 68040

    queshy

    Joined:
    Apr 2, 2005
    #2
    I have no idea (do not own iPhone 4 yet).

    Did you try resetting the PRAM?
     
  3. Warbitrary macrumors regular

    Joined:
    Nov 24, 2009
    Location:
    Montréal, Canada
    #3
    Posting a video of the problem, or at least pictures, would be helpful.
     
  4. Warbitrary macrumors regular

    Joined:
    Nov 24, 2009
    Location:
    Montréal, Canada
    #4
    This problem is cause by jitter while shooting video with the iPhone, it has nothing to do with the iMac.

    The iPhone (and probably all recent camera phones and many camcorders) uses a CMOS sensor which is prone to this kind of jello effect. The only way to prevent it is to minimise shaking when shooting video.

    Here is a great article on the subject:
    http://dvxuser.com/jason/CMOS-CCD/
     
  5. DoFoT9 macrumors P6

    DoFoT9

    Joined:
    Jun 11, 2007
    Location:
    Singapore
    #5
    LOL!! oP you are lucky that hellhammer is on holidays ;)

    It would be wise to see if this issues is related to full screen or not, can you post some pictures from windowed mode?

    I also wonder if the playback from the iMac changes the aspect ratio, making it appear distorted???....
     

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