$ mplayer test.320.avi 
MPlayer dev-SVN-r22932-4.1.2 (C) 2000-2007 MPlayer Team
CPU: Intel(R) Pentium(R) M processor 1.60GHz (Family: 6, Model: 13, Stepping: 8)
CPUflags:  MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2

Playing test.320.avi.
Win32 LoadLibrary failed to load: avisynth.dll, /usr/local/lib/codecs/avisynth.dll, /usr/lib/win32/avisynth.dll, /usr/local/lib/win32/avisynth.dll
Seek failed


Exiting... (End of file)