- Desinstalar x264, libx264-dev, y ffmpeg:
sudo apt-get remove ffmpeg x264 libx264-dev
- Obtener los paquetes necesarios para instalar ffmpeg y x264:
sudo apt-get install build-essential subversion git-core checkinstall yasm texi2html libfaac-dev libfaad-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libsdl1.2-dev libx11-dev libxfixes-dev libxvidcore-dev zlib1g-dev
- Instalar x264
cd
git clone git://git.videolan.org/x264.git
cd x264
./configure
make
sudo checkinstall --pkgname=x264 --pkgversion "1:0.svn`date +%Y%m%d`+`git rev-list HEAD -n 1 | head -c 7`" --backup=no --default
- Instalar libtheora (opcional), esto sirve para codificar a theora, si no vas a instalarlo elimina "--enable-libtheora" en el paso 5:
sudo apt-get install libogg-dev
cd
wget http://downloads.xiph.org/releases/theora/libtheora-1.1.1.tar.gz
tar xzvf libtheora-1.1.1.tar.gz
cd libtheora-1.1.1
./configure --disable-shared
make
sudo checkinstall --pkgname=libtheora --pkgversion "1.1.1" --backup=no --default
- Instalar ffmepg
cd
svn checkout svn://svn.ffmpeg.org/ffmpeg/trunk ffmpeg
cd ffmpeg
./configure --enable-gpl --enable-version3 --enable-nonfree --enable-postproc --enable-pthreads --enable-libfaac --enable-libfaad --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libx264 --enable-libxvid --enable-x11grab
make
sudo checkinstall --pkgname=ffmpeg --pkgversion "4:0.5+svn`date +%Y%m%d`" --backup=no --default
hash x264 ffmpeg
sudo apt-get remove x264 ffmpeg build-essential subversion git-core checkinstall yasm texi2html libfaac-dev libfaad-dev libmp3lame-dev libsdl1.2-dev libtheora libx11-dev libxfixes-dev libxvidcore-dev zlib1g-dev
Mas información: Ubuntu Forums