localhost awatt # mplayer /mnt/mp3/M4V02261.MP4 
MPlayer SVN-r32624-4.3.4 (C) 2000-2010 MPlayer Team

Playing /mnt/mp3/M4V02261.MP4.
Seek failed
libavformat file format detected.
[mp3 @ 0x8e1d0f0] Header missing
[mp3 @ 0x8e1aa50] Estimating duration from bitrate, this may be inaccurate
[lavf] stream 0: audio (mp3), -aid 0
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
ADecoder init failed :(
ADecoder init failed :(
Requested audio codec family [mpg123] (afm=mpg123) not available.
Enable it at compilation.
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
Unknown/missing audio format -> no sound
ADecoder init failed :(
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
Unknown/missing audio format -> no sound
ADecoder init failed :(
Opening audio decoder: [libmad] libmad mpeg audio decoder
Cannot sync MAD frame
ADecoder init failed :(
ADecoder init failed :(
Opening audio decoder: [acm] Win32/ACM decoders
Loading codec DLL: 'l3codeca.acm'
Win32 LoadLibrary failed to load: /opt/RealPlayer/codecs/l3codeca.acm
Can't open library l3codeca.acm
ACM_Decoder: Unappropriate audio format
Could not load/initialize Win32/ACM audio codec (missing DLL file?).
ADecoder preinit failed :(
ADecoder init failed :(
Opening audio decoder: [hwmpa] MPEG audio pass-through (fake decoder)
Cannot sync MPA frame: 0
ADecoder init failed :(
ADecoder init failed :(
Cannot find codec for audio format 0x55.
Audio: no sound
Video: no video


Exiting... (End of file)