Merged changes from 6527628f7f550a4874fd960dec31ee90e948650a for omxplayer. Fixed to compile_ffmpeg.sh script.
Merge branch 'master' of https://github.com/carlonluca/pi
Updated omxplayer code to 10f57ca4a1434772bfa2c7c436855a586158e153. Revision 9ed852d2ee7c1e54cd47e1827481cb83beed666a is left out because of bad performance.