I am installing ffmpeg utility, but I am facing libmp3lame >= 3.98.3 not found not found error. I am able to find lame-3.99.5-1.el6.rf.x86_64.rpm an
libmp3lame >= 3.98.3
lame-3.99.5-1.el6.rf.x86_64.rpm
On Ubuntu 16.04
sudo apt-get install yasm libmp3lame-dev
Then configure ffmpeg to build from source with libmp3lame:
./configure --enable-gpl --enable-libmp3lame --enable-shared