./ffmpeg -i /home/vallisrinivas/IMAX\ Deep\ Sea\ 3D\ 1080p\ Half-SBS\ AC3.mkv -vf mp=stereo3d -acodec copy -threads 10 -b:v 10000k -preset ultrafast -vcodec libx264 ~/test2.mkv
ffmpeg version 1.1.git Copyright (c) 2000-2013 the FFmpeg developers
  built on Apr 17 2013 01:14:10 with gcc 4.5.2 (GCC)
  configuration: --enable-gpl
  libavutil      52. 25.100 / 52. 25.100
  libavcodec     55.  2.100 / 55.  2.100
  libavformat    55.  1.100 / 55.  1.100
  libavdevice    55.  0.100 / 55.  0.100
  libavfilter     3. 49.100 /  3. 49.100
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
Unrecognized option 'preset'.
Error splitting the argument list: Option not found