1.
yum -y install gcc cc cl
2.
wget http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz
tar -xvf yasm-1.3.0.tar.gz
cd yasm-1.3.0/
./configure && make && make install
3.
wget http://download.videolan.org/x264/snapshots/last_stable_x264.tar.bz2
tar -jxvf last_stable_x264.tar.bz2
cd last_stable_x264
./configure --enable-shared --enable-static --disable-asm && make && make install
4.
wget http://www.ffmpeg.org/releases/ffmpeg-4.2.tar.gz
tar -xvf ffmpeg-4.2.tar.gz
cd ffmpeg-4.2/
./configure --enable-shared --enable-gpl --enable-libx264 && make && make install
5. vi .bash_profile
export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
