[MPlayer-users] User has no permission...

[Alex Rada]

Hi,
while I can launch mplayer as root, I can't as user: the entire message 
I get is the following:

 >>>
MPlayer [...]
Terminal type `rxvt' is not defined.
[...]

MPEG-PS file format detected.
VIDEO:  MPEG1  320x240  (aspect 1)  24.000 fps  600.0 kbps (75.0 kbyte/s)
==========================================================================
Cannot find codec for audio format 0x50.
Read DOCS/HTML/en/codecs.html!
==========================================================================
vo: X11 running at 1400x1050 with depth 24 and 32 bpp (":0.0" => local 
display)
==========================================================================
Cannot find codec matching selected -vo and video format 0x10000001.
Read DOCS/HTML/en/codecs.html!
==========================================================================
Exiting... (End of file)
<<<

How do you thing I can resolve problem?
thanks for the help,
alex