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  1. 3rd Jan 2007 02:45 #1
    AlanHK
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    Is there a simple app that can demux a folder of AVI files?
    And/or is it perhaps possible to demux in an Avisynth script?

    Ideally, I'd like to just extract the audio streams of a batch of files. I can do it in VDUB, but as far as I can tell, only by opening each file in sequence and saving out the stream(s).
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  2. 3rd Jan 2007 05:35 #2
    AlanHK
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    I found a command line tool, avi2raw.
    Part of the MPEG4IP tools.

    project: http://mpeg4ip.net/
    But no binaries and few docs there.
    So I found:
    binaries: http://pbx.mine.nu/w21sa/mpeg4ip.html
    docs: http://karmak.org/archive/2003/05/encoding.html

    And use this batch command to extract an MP3 from an AVI:
    avi2raw -a %1 %1.mp3
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  3. 3rd Jan 2007 05:37 #3
    Baldrick
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    Wouldn't it work with mplayer also? mplayer -dumpaudio -dumpfile something.
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  4. 3rd Jan 2007 06:52 #4
    AlanHK
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    Originally Posted by Baldrick
    Wouldn't it work with mplayer also? mplayer -dumpaudio -dumpfile something.
    I'll keep it in mind.
    But now I'm happy enough with avi2raw, and it's about 1% of the size of mplayer.
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