Lameopts is not an MEncoder option

MPlayer was compiled without libmp3lame support.
-lameopts is not an MEncoder option

When converting video, if you get this error, the mencoder installed on your server do not support libmp3lame. You need to re install mplayer with libmp3lame support.

If you have libmp3lame support, you will see

# /usr/bin/mencoder -oac help
MEncoder dev-SVN-r24790-3.4.6 (C) 2000-2007 MPlayer Team
CPU: Intel(R) Xeon(TM) CPU 2.80GHz (Family: 15, Model: 2, Stepping: 9)
CPUflags: Type: 15 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
Compiled for x86 CPU with extensions: MMX MMX2 SSE SSE2

Available codecs:
   copy     - frame copy, without re-encoding (useful for AC3)
   pcm      - uncompressed PCM audio
   mp3lame  - cbr/abr/vbr MP3 using libmp3lame
   lavc     - FFmpeg audio encoder (MP2, AC3, ...)

#