$ sudo yum -y install autoconf automake make gcc gcc-c++ pkgconfig wget libtool zlib-devel
$ sudo yum -y install git
$ cd /usr/local/src
$ sudo yum install -y nasm yasm
$ sudo wget http://downloads.sourceforge.net/project/lame/lame/3.99/lame-3.99.5.tar.gz
$ tar zxf lame-3.99.5.tar.gz
$ sudo ./configure; make
$ sudo make install
$ cd /usr/local/src
$ sudo git clone git://source.ffmpeg.org/ffmpeg.git
$ cd ffmpeg
$ sudo ./configure --enable-gpl --enable-nonfree --enable-libmp3lame --enable-shared --arch=x86_64 --enable-pthreads
$ sudo make
$ sudo make install
ffmpeg: error while loading shared libraries: libavdevice.so.57: cannot open shared object file: No such file or directory
$ sudo vi /etc/ld.so.conf
include ld.so.conf.d/*.conf
/usr/local/lib
$ sudo ldconfig