[FFmpeg-user] Need help with x264 encoding

[NITIN SAGAR]

I have ffmpeg compiled with x264 lib, but still getting this error.
Can anyone help me in clearing this error?


-linux{107}> ffmpeg -i '/usr2/c_nnakka/Downloads/Batman.mp4' -c:v x264 -c:a
ac3 out.mp4
ffmpeg version git-2012-12-04-400647f Copyright (c) 2000-2012 the FFmpeg
developers
  built on Dec  4 2012 13:07:02 with gcc 4.4.3 (Ubuntu 4.4.3-4ubuntu5)
  configuration:
  libavutil      52. 11.101 / 52. 11.101
  libavcodec     54. 78.101 / 54. 78.101
  libavformat    54. 42.100 / 54. 42.100
  libavdevice    54.  3.102 / 54.  3.102
  libavfilter     3. 24.100 /  3. 24.100
  libswscale      2.  1.103 /  2.  1.103
  libswresample   0. 17.102 /  0. 17.102
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
'/usr2/c_nnakka/Downloads/Batman.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isomavc1mp42
    creation_time   : 2009-06-26 19:53:37
  Duration: 00:01:22.85, start: 0.000000, bitrate: 2130 kb/s
    Stream #0:0(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo,
fltp, 125 kb/s
    Metadata:
      creation_time   : 2009-06-26 19:53:37
      handler_name    : (C) 2007 Google Inc. v08.13.2007.
    Stream #0:1(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
1280x720 [SAR 1:1 DAR 16:9], 2001 kb/s, 23.98 fps, 23.98 tbr, 23983 tbn,
47.97 tbc
    Metadata:
      creation_time   : 2009-06-26 19:53:37
      handler_name    : (C) 2007 Google Inc. v08.13.2007.
Unknown encoder 'x264'


Thanks
Nitin