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I'm using ffmpeg to convert my files but when I tried to convert WAV -> MP3 I got this error. It's surprising for me cause I installed this one yesterday. What could happen?

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I take it that you're on Linux and that libmp3lame is located someplace on the path? –  MBraedley Oct 31 '10 at 14:35
    
I installed it from USoftwareCenter –  oneat Oct 31 '10 at 14:46
    
What do you mean by "installed this one". ffmpeg or libmp3lame ? –  socken23 Nov 1 '10 at 15:16
    
these two by URespository –  oneat Nov 2 '10 at 18:17

3 Answers 3

try installing libavcodec-extra-52. It worked for me on Ubuntu 10.04.

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libmp3lame is not part of the stock ffmpeg on Ubuntu. You can read more on the Ubuntu wiki ffmpeg page.

What you want to do is compile ffmpeg from source so it includes libmp3lame. They tell you how to make your ffmpeg with more option on this page. The particular item you want is --enable-libmp3lame

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Depending on the distribution you're using, you don't have to compile it yourself. Mostly, there's a package you can install, sometimes it's not in the main repositories because the codec is restricted. For Ubuntu, check this post: http://ubuntuforums.org/showthread.php?t=1117283. I'm sure other distros have similar packages available.

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