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  1. Member
    Join Date
    Jul 2009
    Location
    Australia
    Search Comp PM
    Hey I am trying to convert files from a JVC Everio HDD GZ-MC 200 to imovie/quicktime (I at least want to be able to watch it on the computer).

    First I copied the JVC .mod files to an external drive and then manually changed the extensions to .mpg.
    Second I dropped the .mpg files in to ffmpegx and chose to convert to .dv (as this was suggested to be of best quality by someone in one of these forums).
    I did all files and I can import/retrieve using imovie, quicktime or just clicking the file and it will play etc however, after about 5/10/15 seconds of 'ok' video and audio play it freezes the video play, chops, stops and starts but then with no audio etc but still shows the time ticking along... So I have cut and paste the error message below...

    Oh I also tried the bug troubleshooter of "inverting mapping" because I saw it somewhere and this also caused the same error message.

    The other suggestion was to increase the video bitrate but I have no idea how to work out what to increase to in order to enable successful video and audio play.

    Encoding started on Thu Jul 30 17:46:05 EST 2009
    Input #0, mpeg, from '/Volumes/Public-2/Shared Videos/Mp_Root/101PNV01/PRG001/MOV01E.MPG':
    Duration: 00:00:22.6, start: 0.258444, bitrate: 4863 kb/s
    Stream #0.0: Video: mpeg2video, 720x576, 25.00 fps
    Stream #0.1: Audio: ac3, 48000 Hz, stereo, 256 kb/s
    Output #0, dv, to '/Volumes/Public-2/Shared Videos/Mp_Root/101PNV01/PRG001/MOV01E.MPG.ff.dv':
    Stream #0.0: Video: dvvideo, 720x576, 25.00 fps, q=2-15, 25000 kb/s
    Stream #0.1: Audio: pcm_s16le, 48000 Hz, stereo, 1536 kb/s
    Stream mapping:
    Stream #0.0 -> #0.0
    Stream #0.1 -> #0.1
    [dvvideo @ 0x381324]Can't process DV frame #566. Insufficient audio data or severe sync problem.
    [dvvideo @ 0x381324]Can't process DV frame #566. Insufficient audio data or severe sync problem.
    [dvvideo @ 0x381324]Can't process DV frame #566. Insufficient audio data or severe sync problem.
    [dvvideo @ 0x381324]Can't process DV frame #566. Insufficient audio data or severe sync problem.
    [dvvideo @ 0x381324]Can't process DV frame #566. Insufficient audio data or severe sync problem.
    [dvvideo @ 0x381324]Can't process DV frame #566. Insufficient audio data or severe sync problem.
    [dvvideo @ 0x381324]Can't process DV frame #566. Insufficient audio data or severe sync problem.
    [dvvideo @ 0x381324]Can't process DV frame #566. Insufficient audio data or severe sync problem.
    [dvvideo @ 0x381324]Can't process DV frame #566. Insufficient audio data or severe sync problem.
    video:80859kB audio:4248kB global headers:0kB muxing overhead -6.478434%
    bench: utime=29.766s
    Encoding completed on Thu Jul 30 17:47:02 EST 2009

    CAN ANYONE HELP OR SUGGEST A FIX? I'm very new at all of this so "dumb and dumber" instructions required. Ha Ha

    Thanks, Ange
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  2. Member
    Join Date
    Aug 2005
    Location
    Palo Alto, California USA
    Search Comp PM
    You mentioned that there is a playback problem after you dropped the converted clip into iMovie, but did you try playing the dv file before then? This will help identify where the problem lies.
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  3. Explorer Case's Avatar
    Join Date
    Feb 2004
    Location
    Middle Earth
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    Originally Posted by carsskee
    Oh I also tried the bug troubleshooter of "inverting mapping" because I saw it somewhere and this also caused the same error message.
    "Invert mapping" can help only if you get a stream mapping error. It is not a general solution to unknown problems.

    Originally Posted by carsskee
    The other suggestion was to increase the video bitrate
    DV has a fixed bitrate. Do not change it, or the DV file will be invalid.

    You may also try to convert to DV with MPEG Streamclip, if you can't get it to work with ffmpegX.
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