Berikut ini adalah tutorial bagaimana cara menginstall ffmpeg di linux centos 6.64 bit

Install dependensi

yum install autoconf automake bzip2 cmake freetype-devel gcc gcc-c++ git libtool make mercurial pkgconfig zlib-devel

kemudian Download ffmpeg terbaru disini https://www.johnvansickle.com/ffmpeg/

wget https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-64bit-static.tar.xz
tar xvf ffmpeg-release-64bit-static.tar.xz
cd ffmpeg-4.1-64bit-static/
curl -O -L http://www.nasm.us/pub/nasm/releasebuilds/2.13.02/nasm-2.13.02.tar.bz2
tar xjvf nasm-2.13.02.tar.bz2
cd nasm-2.13.02
./autogen.sh
./configure --prefix="$HOME/ffmpeg_build" --bindir="$HOME/bin"
make
make install

Sumber https://trac.ffmpeg.org/wiki/CompilationGuide/Centos