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  1. Member
    Join Date
    Aug 2003
    Location
    Osaka, Japan
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    For one reason or another, I can't seem to demux an MPEG that I downloaded. I want to convert it to Divx but it won't find the Audio. Here is the error I get (for example) when using MoreMissingTools:

    [octavius:MoreMissingTools.app/Contents/Resources] octavius% ./mpgtx -N -d -b /Users/octavius/Desktop//chunk /Users/octavius/Desktop/cloud_m.mpg
    mmm, this file does not start with a pack, offset: 0
    use the desperate_mode switch as the first option -X to search for a header in the whole file!
    if you want to force the operation. May yield to an endless loop if no valid header is found!
    Does not even begin with a 00 00 01 xx sequence!
    /Users/octavius/Desktop/cloud_m.mpg is not a valid mpeg file


    I can watch this movie fine. Sounds great and everything.. the link to the clip is here:

    http://www.mangazoo.jp/link/mztv_m.html


    Thanks for the help![/i]
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  2. Member Thargok's Avatar
    Join Date
    Nov 2001
    Location
    United States
    Search Comp PM
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  3. Member
    Join Date
    Feb 2003
    Location
    Bloomington-Normal
    Search Comp PM
    or the Mpgtxwrap program?

    Finally, your best bet might be to run the video through VCDGear to fix any bad mpeg blocks. This always works for me when i've had that problem.

    Also, if you want to convert it to a Divx, you can just use Mencoder.

    It will convert MPG files directly to Divx in one step.

    Install mencoder and try this syntax from the terminal:

    mencoder -oac mp3lame -ovc xvid /input.mpg -o /output.avi

    That'll give you MP3 audio and xvid for video. You can substitute "lavc" for the video if you want to, but this will give you damn good quality.
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