install_ffmpeg.sh

# Remove any trace of Debian Multimedia in /etc/apt/sources.list

apt-get -y install autoconf automake build-essential libass-dev libfreetype6-dev \
  libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev libxcb1-dev libxcb-shm0-dev \
  libxcb-xfixes0-dev pkg-config texinfo zlib1g-dev yasm libx264-dev
mkdir ~/ffmpeg_sources
mkdir /usr/local/ffmpeg_build
cd ~/ffmpeg_sources

#x265
apt-get install cmake mercurial
cd ~/ffmpeg_sources
hg clone https://bitbucket.org/multicoreware/x265
cd ~/ffmpeg_sources/x265/build/linux
PATH="/usr/local/bin:$PATH" cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX="/usr/local/ffmpeg_build" -DENABLE_SHARED:bool=off ../../source
make
make install
make distclean

#libfdk-aac
cd ~/ffmpeg_sources
wget -O fdk-aac.tar.gz https://github.com/mstorsjo/fdk-aac/tarball/master
tar xzvf fdk-aac.tar.gz
cd mstorsjo-fdk-aac*
autoreconf -fiv
./configure --prefix="/usr/local/ffmpeg_build" --disable-shared
make
make install
make distclean

#libmp3lame
apt-get install libmp3lame-dev
 
#libopus
apt-get install libopus-dev

#libvpx
cd ~/ffmpeg_sources
wget http://storage.googleapis.com/downloads.webmproject.org/releases/webm/libvpx-1.5.0.tar.bz2
tar xjvf libvpx-1.5.0.tar.bz2
cd libvpx-1.5.0
PATH="/usr/local/bin:$PATH" ./configure --prefix="/usr/local/ffmpeg_build" --disable-examples --disable-unit-tests
PATH="/usr/local/bin:$PATH" make
make install
make clean

#ffmpeg
cd ~/ffmpeg_sources
wget http://ffmpeg.org/releases/ffmpeg-snapshot.tar.bz2
tar xjvf ffmpeg-snapshot.tar.bz2
cd ffmpeg
PATH="/usr/local/bin:$PATH" PKG_CONFIG_PATH="/usr/local/ffmpeg_build/lib/pkgconfig" ./configure   --prefix="/usr/local/ffmpeg_build"   --pkg-config-flags="--static"   --extra-cflags="-I/usr/local/ffmpeg_build/include"   --extra-ldflags="-L/usr/local/ffmpeg_build/lib"   --bindir="/usr/local/bin"   --enable-gpl   --enable-libass   --enable-libfdk-aac   --enable-libfreetype   --enable-libmp3lame   --enable-libopus   --enable-libtheora   --enable-libvorbis   --enable-libvpx   --enable-libx264   --enable-libx265   --enable-nonfree
PATH="/usr/local/bin:$PATH" make
make install
make distclean
hash -r

To use :

cd ~
wget https://gist.githubusercontent.com/gautiermichelin/977f08ab7dd0277ebbf4e1e4522ff612/raw/e6a81afe46b18788d281bc67e19d5625dbd5e8b5/install_ffmpeg.sh
chmod +x install_ffmpeg.sh
./install_ffmpeg.sh