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Thread: Unknown encoder 'libmp3lame'

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  1. #1
    Join Date
    Jan 2009
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    373

    Unknown encoder 'libmp3lame'

    Iam trying to use winff to convert a FLv file to AVI
    but i get this error message "Unknown encoder 'libmp3lame'"i know this is on my machine i looked
    so what file should WIn ff be looking for any help please

  2. #2
    Join Date
    Jul 2009
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    201
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Unknown encoder 'libmp3lame'

    try sudo-apt get install <name>

    it might be a very similar package and it doesn't hurt to check
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  3. #3
    Join Date
    Dec 2006
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    6,935

    Re: Unknown encoder 'libmp3lame'

    Hi cowboy,

    Quote Originally Posted by cowboy7305 View Post
    i get this error message "Unknown encoder 'libmp3lame'
    It could be that your copy of FFmpeg has not been compiled to allow mp3 encoding. Usually a simple solution can be found here:

    HOWTO: Easily enable MP3, MPEG4, AAC, and other restricted encoding in FFmpeg
    <snip>

    All the best,

    Andrew
    Last edited by coffeecat; December 2nd, 2013 at 09:13 AM. Reason: Removed link to unavailable howto
    You think that's air you're breathing now?

  4. #4
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    Jan 2009
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    373

    Re: Unknown encoder 'libmp3lame'

    Many thanks that looks like it did the trick

  5. #5
    Join Date
    Aug 2010
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    3

    Re: Unknown encoder 'libmp3lame'

    for me solve by:

    sudo apt-get install ffmpeg libavcodec-extra-52

  6. #6
    Join Date
    May 2008
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    235
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Unknown encoder 'libmp3lame'

    Quote Originally Posted by johanesbrain View Post
    for me solve by:

    sudo apt-get install ffmpeg libavcodec-extra-52
    I was trying to convert an mp4 video to avi and I was getting that error. The above solution worked just fine!

    Thanks,

  7. #7
    Join Date
    Apr 2011
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    3

    Re: Unknown encoder 'libmp3lame'

    great advice, many thanks!

  8. #8
    Join Date
    Jun 2011
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    2

    Talking Re: Unknown encoder 'libmp3lame'

    Quote Originally Posted by johanesbrain View Post
    for me solve by:

    sudo apt-get install ffmpeg libavcodec-extra-52
    Reinstall of the codec manually using this solution did the trick! Thanks - you are a lifesaver!

    Matt

  9. #9
    Join Date
    Aug 2005
    Location
    Brussels
    Beans
    135
    Distro
    Ubuntu Development Release

    Re: Unknown encoder 'libmp3lame'

    Thanks. This worked for me too in (L)Ubuntu 11.04

  10. #10
    Join Date
    Oct 2013
    Beans
    1

    Re: Unknown encoder 'libmp3lame'

    Just a quick note to anyone else with this issue (for me, it came up at some point when trying to use youtube-dl --extract-audio --audio-format=mp3): the tip about libavcodec-extra-53 didn't seem to work for me (see also ubuntu-restricted-extras) apparently since packages.medibuntu.org, from which libavcodec-extra-53 gets downloaded, is no longer maintained. (I am using Linux Mint 13 at the moment but don't see how this would make a difference)

    I can't see what's in the thread mentioned in post #3 of this thread since I have less than 10 posts, but ultimately what worked was, as mentioned in that post, to build ffmpeg from source with libmp3lame enabled following the guide at https://trac.ffmpeg.org/wiki/UbuntuCompilationGuide (and after building it, remember to logout/login (or run ~/.profile in your terminal, as in the guide) to be sure that you're actually using it).

    Also, if you're confused about avconv and ffmpeg, be sure to read this: http://stackoverflow.com/questions/9...477756#9477756 -- as well as the final link mentioned in that answer: http://blog.pkh.me/p/13-the-ffmpeg-libav-situation.html
    Last edited by rziman; October 19th, 2013 at 05:39 AM.

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