[MPlayer-users] How to run video file

[inpreet]

Hello,

I successfully compiled MPlayer for MIPSEL processor. But when I am trying to run media file I am getting following message. 
******************************************
/mips # mplayer -ao mpegpes -vo mpegpes -ao mpegpes Lays_Potato_Chips1.mpeg

MPlayer 1.0pre7-3.2 (C) 2000-2005 MPlayer Team
CPU: SGI MIPS

Playing Lays_Potato_Chips1.mpeg.
MPEG-PS file format detected.
VIDEO:  MPEG1  320x240  (aspect 1)  25.000 fps  500.0 kbps (62.5 kbyte/s)
==========================================================================
Cannot find codec for audio format 0x50.
Read DOCS/HTML/en/codecs.html!
==========================================================================
Saving PES stream to grab.mpg
Opening video filter: [scale w=512 h=576]
==========================================================================
Cannot find codec matching selected -vo and video format 0x10000001.
Read DOCS/HTML/en/codecs.html!
==========================================================================
Exiting... (End of file)
******************************************

I have codecs.conf.h at /etc/ and libmpeg2.a at /usr/local/lib/codes. Still why its showing that unable to detect drivers. What should I do now.