sudo apt-get remove ffmpeg x264 libx264-dev
------------------------------- Install the Dependencies
sudo apt-get update
sudo apt-get install build-essential checkinstall git libfaac-dev libjack-jackd2-dev  libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libsdl1.2-dev libtheora-dev  libva-dev libvdpau-dev libvorbis-dev libx11-dev libxfixes-dev texi2html yasm zlib1g-dev
------------------------------- Install x264
cd
git clone git://git.videolan.org/x264
cd x264
./configure --enable-static
make
sudo checkinstall --pkgname=x264 --pkgversion="3:$(./version.sh |   awk -F'[" ]' '/POINT/{print $4"+git"$5}')" --backup=no --deldoc=yes     --fstrans=no --default
------------------------------- Install libvpx (optional)
sudo apt-get remove libvpx-dev
cd
git clone http://git.chromium.org/webm/libvpx.git
cd libvpx
./configure
make
sudo checkinstall --pkgname=libvpx --pkgversion="1:$(date +%Y%m%d%H%M)-git" --backup=no   --deldoc=yes --fstrans=no --default
------------------------------- Install FFmpeg
cd
git clone --depth 1 git://source.ffmpeg.org/ffmpeg
cd ffmpeg
./configure --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb     --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-libx264     --enable-nonfree --enable-version3 --enable-x11grab
make
sudo checkinstall --pkgname=ffmpeg --pkgversion="5:$(date +%Y%m%d%H%M)-git" --backup=no  --deldoc=yes --fstrans=no --default
hash x264 ffmpeg ffplay ffprobe
------------------------------- Install qt-faststart (optional)
cd ~/ffmpeg
make tools/qt-faststart
sudo checkinstall --pkgname=qt-faststart --pkgversion="$(date +%Y%m%d%H%M)-git" --backup=no    --deldoc=yes --fstrans=no --default install -Dm755 tools/qt-faststart    /usr/local/bin/qt-faststart
----------- Adding lavf support to x264 (optional)
cd ~/x264
make distclean
./configure --enable-static
make
sudo checkinstall --pkgname=x264 --pkgversion="3:$(./version.sh |    awk -F'[" ]' '/POINT/{print $4"+git"$5}')" --backup=no --deldoc=yes    --fstrans=no --default