Cannot find codec for audio format 0x566F.

[mama21mama]

Can't open joystick device /dev/input/js0: No such file or directory
Can't init input joystick
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Cannot find codec for audio format 0x566F.
Can't open joystick device /dev/input/js0: No such file or directory
Can't init input joystick
mplayer: could not connect to socket
mplayer: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.
Cannot find codec for audio format 0x566F.

so:. Debian GNU/Linux 6.0.6 (squeeze)