$ mplayer foo-ac3.avi
MPlayer SVN-r34371-4.4.5 (C) 2000-2011 MPlayer Team

Playing foo-ac3.avi.
AVI file format detected.
[aviheader] Video stream found, -vid 0
[aviheader] Audio stream found, -aid 1
VIDEO:  [mpg2]  640x480  24bpp  30.000 fps  5879.0 kbps (717.7 kbyte/s)
Clip info:
 Software: MEncoder SVN-r34371-4.4.5
Load subtitles in ./
==========================================================================
Forced video codec: ffmpeg12vdpau
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffmpeg12vdpau] vfm: ffmpeg (FFmpeg MPEG-1/2 (VDPAU))
==========================================================================
==========================================================================
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
AUDIO: 8000 Hz, 1 ch, s16le, 160.0 kbit/125.00% (ratio: 20000->16000)
Selected audio codec: [ffac3] afm: ffmpeg (FFmpeg AC-3)
==========================================================================
AO: [pulse] 8000Hz 1ch s16le (2 bytes per sample)
Starting playback...
[VD_FFMPEG] XVMC-accelerated MPEG-2.
Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
VO: [vdpau] 640x480 => 640x480 MPEG2 VDPAU acceleration 
A:94371.7 V:  35.6 A-V:94336.102 ct:350.424 1069/1069  0%  2%  0.2% 0 0 

Exiting... (Quit)