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  1. #1
    How to demux FLV file? (free app)

    Member Since
    Dec 18, 2009
    Posts
    6
    How to demux FLV file? (free app)
    Hi,
    What free app demuxes an FLV file (made up of h.264 vid/AAC audio?)

    Thanks

  2. #2
    How to demux FLV file? (free app)

    Member Since
    Oct 28, 2009
    Posts
    45
    handbrake is just fine

  3. #3
    How to demux FLV file? (free app)

    Member Since
    Feb 25, 2009
    Posts
    2,109
    Specs:
    Late 2013 rMBP, i7, 750m gpu, OSX versions 10.9.3, 10.10
    Handbrake doesn't demux like what the OP appears to want, handbrake will transcode.

    Demuxing is the process of taking a file that contains both video and audio and splitting it into separate files for video, audio, etc.

    Now, if the OP mis-spoke and just wants to convert the file to a different container/possibly different codec, handbrake will work.

    I honestly don't know of what to use to demux a flv.

    Now you can transcode the flv to something like an mkv, then use mkvtools which contains mkvextract (although you have to use the command line) and extract the audio/video/etc.
    My Macs: Late 2013 rMBP w/ 750m; Mac mini G4, 1.25 GHz, 512m ram (server); Late 2011 11" MBA, 1.8GHz i7, 4Gig Ram, 256Gig SSD, HD3000; Powerbook 12" G4 1.33GHz running Debian as a server; Apple TV (1080p version)

  4. #4
    How to demux FLV file? (free app)
    deus_ex_machina's Avatar
    Member Since
    Aug 06, 2004
    Location
    Tejas
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    1,713
    Specs:
    2GHz Mac Mini 2GB RAM 160GB 10.6.2 | MDD DP 1.25GHz G4 1.5GB RAM 10.4.11 | 233MHz iMac G3 10.3.9
    I haven't found a FREE app for Mac, but here are some leads (you may need to get on Windows to do this):
    http://stream-recorder.com/forum/con...ty-t3091.html?

    Moitah.net

    .flv demux for audio clean up - VideoHelp.com

  5. #5
    How to demux FLV file? (free app)
    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,480
    Specs:
    iMac late 2007 10.11.b4, iMac 2008 10.10.5, Macbook2007 10.7.5, Mac Mini 10.7.5, iPhone 3GS Note 8!!
    There was a little app called BBDemux but not sure if it still works in modern versions of OSX. If the FLV were converted into say Quicktime or other formats, QuickTime Pro will let you rip the audio separate from the video, but the OP wants a free solution. I will check and see if BBDemux is still around.

    Edit: Yes it is.

    http://www.versiontracker.com/dyn/moreinfo/mac/14618

    It's been a long time but I did way back need the music from a video I made and it did the trick. Not sure it will work with FLV though, but that can be converted.

  6. #6
    How to demux FLV file? (free app)
    deus_ex_machina's Avatar
    Member Since
    Aug 06, 2004
    Location
    Tejas
    Posts
    1,713
    Specs:
    2GHz Mac Mini 2GB RAM 160GB 10.6.2 | MDD DP 1.25GHz G4 1.5GB RAM 10.4.11 | 233MHz iMac G3 10.3.9
    Quote Originally Posted by dtravis7 View Post
    There was a little app called BBDemux but not sure if it still works in modern versions of OSX. If the FLV were converted into say Quicktime or other formats, QuickTime Pro will let you rip the audio separate from the video, but the OP wants a free solution. I will check and see if BBDemux is still around.
    I generally use Quicktime Pro with the Perian plugin so I can open the FLV directly in QT, then edit from there. But still, not free.

  7. #7
    How to demux FLV file? (free app)
    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,480
    Specs:
    iMac late 2007 10.11.b4, iMac 2008 10.10.5, Macbook2007 10.7.5, Mac Mini 10.7.5, iPhone 3GS Note 8!!
    Quote Originally Posted by deus_ex_machina View Post
    I generally use Quicktime Pro with the Perian plugin so I can open the FLV directly in QT, then edit from there. But still, not free.
    Yes, that does work for me also. Since like you said, the OP is looking for something free I did not mention it but it does work.

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