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Thread: Ripping mp3's from .flv

  1. #1
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    Unhappy Ripping mp3's from .flv

    I'm having problems ripping the audio from .flv videos (ones downloaded from youtube). I've searched for an answer but havn't found out what the deale-o is yet.
    it keeps telling me: unsupported video codec or unsupported coded.
    Is there a lib package that must be installed that i am missing?
    thx.

    btw, i have libmp3lame.so.0 already installed, i think i need this right?

    oh, and im using winff
    Last edited by mysticaltopher; September 8th, 2009 at 06:03 AM.

  2. #2
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    Re: Ripping mp3's from .flv

    are you using a converter? or maybe just use fetchmp3.com

  3. #3
    credobyte is offline Iced Blended Vanilla Crème Ubuntu
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    Re: Ripping mp3's from .flv

    Code:
    sudo apt-get install ffmpeg
    ffmpeg -i source.flv soundonly.mp3
    ** ffmpeg command might need some tweaking ( bitrate, etc. )

  4. #4
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    Re: Ripping mp3's from .flv

    Give mobile media converter a try, always works for me, where .flv are concerned if you want to convert them
    ken_do_san
    RLU #478375|Ubuntu User #27655

  5. #5
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    Re: Ripping mp3's from .flv

    Hi mysticaltopher,

    Quote Originally Posted by mysticaltopher View Post
    I'm having problems ripping the audio from .flv videos (ones downloaded from youtube). I've searched for an answer but havn't found out what the deale-o is yet.
    it keeps telling me: unsupported video codec or unsupported coded.
    Is there a lib package that must be installed that i am missing?
    There are some special issues with FFmpeg and Ubuntu which probably means that your version of FFmpeg is missing a few vital codecs. For some details and a fix have a look at:

    HOWTO: Easily enable MP3, MPEG4, AAC, and other restricted encoding in FFmpeg
    http://ubuntuforums.org/showthread.php?t=1117283

    I have little experience with WinFF but I know that what you are after can easily be done with FFmpeg itself from the commandline (and doubtless just as easily from the excellent WinFF!). If you can get your version of FFmpeg fitted out with all the codecs try running the following from the commandline:

    Code:
    ffmpeg -i my_file.flv
    and this will give an indication of the finer details required for the extraction of the mp3 audio alone, as credobyte has mentioned in his post. If you are happy with all of this could you post the terminal output here?

    All the best,

    Andrew
    You think that's air you're breathing now?

  6. #6
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    Re: Ripping mp3's from .flv

    I used this guide to compile ffmpeg and get a fully unlocked version to allow me transcoding on my mediatomb server:

    It was a matter of copy and paste.

    http://ubuntuforums.org/showthread.php?t=786095

    ~Bill
    Ubuntu 10.04-Server: HP Pavilion: AMD Athlon 3200; 2gb RAM; GeForce4 MX - nForce; 160gb HDD; 1TB eSATA External HDD | Ubuntu 10.04: Dell D600; Intel Pentium M 1600 MHz; 2gb RAM; ATI Radeon 9000 (RV250); 60gb HD | Ubuntu User #24614

  7. #7
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    Re: Ripping mp3's from .flv

    Quote Originally Posted by mysticaltopher View Post
    I'm having problems ripping the audio from .flv videos (ones downloaded from youtube).
    I'd suggest you get the "ubuntu-restricted-extras" package if you don't have it already and then include the "Medibuntu" repository (tons and tons of codecs and what not):

    http://www.medibuntu.org/

    From there you should get vlc, mplayer, mencoder, ffmpeg ... and those should pull in tons of other dependencies which should then have the result that multimedia-wise you will be able to play, watch, listen to and rip pretty much anything.

    I myself use this simple shell command to get MP3 audio out from e.g. YouTube-like videos:
    Code:
    ffmpeg -i vid.flv -acodec copy output.mp3
    Shamelessly copied from here:
    http://symbolik.wordpress.com/2007/1...-flv-download/
    Last edited by scorp123; September 8th, 2009 at 11:24 PM.

  8. #8
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    Re: Ripping mp3's from .flv

    Hi,

    A technique is available from MPlayer as well, although you will get better results with FFmpeg. If you know the audio is mp3 you can run:

    Code:
    mplayer input.flv -dumpaudio -dumpfile output.mp3
    However if the audio is actually aac you will get a file called output.mp3 that is actually an aac file and probably unreadable...

    Andrew
    You think that's air you're breathing now?

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