ffmpeg convert flv file to mp32011-07-05

Using ffmpeg for coverting .flv file to .mp3.

ffmpeg -i source.flv -ab 128k -ac 2 -acodec libmp3lame output.mp3

I got this error:

unknown encoder 'libmp3lame'

solution:

[sudo] aptitude install libavcodec-extra-52

参数说明:

-ac 声道
-ar 采样率
-ab 比特率
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