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how can i play motion jpeg files (.mjpg) with quicktime 7 pro

2280 Views 1 Reply Latest reply: Nov 7, 2012 8:29 AM by Jon Walker RSS
romankeller Level 1 Level 1 (0 points)
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Nov 7, 2012 3:38 AM

dear all


i'm trying to play large  motion jpeg files (captured from a web cam, ending with .mjpg) for an exhibition on several macs. the easiest for me would be to use quicktime 7 pro without having to transcode the clips.


as far the the mjpg-files only play on vcl and mplayer.


is there a codec i can put into the quicktime library or a plugin to make this possible? i tried with perian on os 10.8. and 10.6. no success...


thank you, greetings from zurich, roman

Mac mini, OS X Mountain Lion (10.8.2)
  • Jon Walker Level 6 Level 6 (17,520 points)

    is there a codec i can put into the quicktime library or a plugin to make this possible? i tried with perian on os 10.8. and 10.6. no success...

    The legacy AppleMotionJPEGA (and AppleMotionJPEGB) codec is actually already installed on your system but, by default, is normally disabled when OS X Mountain Lion is initially installed as part of Apple's transition from QT 7 to QT X based technology. To enable the Motion JPEG A (or Motion JPEG B) codec under Mountain Lion, simple open the Terminal app found in your utilities folder and type the following command with appropriate codec reference when you are prompted by the Terminal app.

     

    qtdefaults write LegacyVideoCodecs AppleMotionJPEGA enabled

     

    Upon pressing the RETURN key, the Terminal app should respond with a message stating that "AppleMotationJPEGA has been enabled" for your system.

     

    Assuming any audio (if present) is also QT compatible, then the file sould now play normally in either the QT X or QT 7 players or third-party apps like MPEG Streamclip which also access your system's enabled QT codec component configuration.

     

    SJAUG.png

    iMac, OS X Mountain Lion, 3.4 GHz Quad Core i7, 4 GB 1333 MHz

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