ffmpeg ubuntu 11.10

• sudo apt-get install ffmpeg libavcodec-extra-53
• Follow http://blog.stevenreid.co.uk/2011/10/25/transcoding-video-iphone/ and http://ubuntuforums.org/showthread.php?t=786095
• ffmpeg -i source.avi -acodec libfaac -ab 128k -ar 44100 -vcodec mpeg4  -b 1000K -s 640x480 destination.m4v