After installing Ubuntu 10.04 no mp4 encoding works anymore. After googling around I tried installing h264enc, x264 and libx264-85 but with no result. In synaptics all these codecs are marked as installed. Playback of H.264 worked out-of-the-box. ffmpeg -i movie.avi -ar 22050 -ab 32000 -f mov -b 200k -s 320x240 $2 ipod.mov issues an error Unsupported codec for output stream #0.1 Previously, on Cru