FFmpeg

Install required packages

apt-get install build-essential git-core checkinstall yasm texi2html libfaac-dev libmp3lame-dev libsdl1.2-dev zlib1g-dev libgpac-dev

Get x264, compile, create and install package

cd /usr/src
git clone git://git.videolan.org/x264
cd x264
./configure --prefix=/usr --enable-pic --enable-shared
make
checkinstall --pkgname=x264 --pkgversion="3:$(./version.sh | awk -F'[" ]' '/POINT/{print $4"+git"$5}')" --backup=no --deldoc=yes --fstrans=no --default

Get FFmpeg, compile, create and install package

cd /usr/src
git clone git://git.videolan.org/ffmpeg
cd ffmpeg
LD_LIBRARY_PATH=/usr/lib && export LD_LIBRARY_PATH
./configure --prefix=/usr --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-libfaac --enable-libmp3lame \
  --enable-libx264 --disable-vaapi --disable-vdpau --enable-pic --enable-shared
make
checkinstall --pkgname=ffmpeg --pkgversion="5:$(./version.sh|sed 's/^N-//')" --backup=no --deldoc=yes --fstrans=no --default