[FFmpeg-user] From mpeg2 to mpeg4
lou at lrcd.com
Mon Oct 24 22:21:06 CEST 2011
On Mon, 24 Oct 2011 21:45:55 +0200
Lorenzo Travaglio <lorenzo.travaglio at fastwebnet.it> wrote:
> On 24/10/2011 04:55, Lou wrote:
> >> Unknown encoder 'mp3'
> > The MP3 encoder is "libmp3lame". The decoder is called "mp3". You
> > can see a list of encoders and decoders with: ffmpeg -codecs.
> > Unfortunately, you skipped the "Install LAME (optional)" section
> > in the compilation guide, and therefore you do not have libmp3lame
> > support.
> I am sure to have entirely followed the guide, however I tried again.
> The result of checkinstall was:
> Done. The new package has been installed and saved to
> You can remove it from your system anytime using:
> dpkg -r lame-ffmpeg
You may have installed the lame package, but your ffmpeg configuration
did not include --enable-libmp3lame. The guide says, "If you follow
this step, add --enable-libmp3lame to the ./configure line in step 7."
> and the result for ffmpeg -formats for mp3 says:
> DE mp3 MPEG audio layer 3
> while the result for -codecs as you suggest is D A for MP3 (E is
> Where did I go wrong? (as Sinead O'Connor said)
> Thank you
The MP3 encoder is named libmp3lame. So when you view the output of
-codecs look for libmp3lame.
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