ffmpeg version N-68305-ga84c341 Copyright (c) 2000-2014 the FFmpeg developers
  built on Dec 15 2014 23:48:12 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
  configuration:
  libavutil      54. 15.100 / 54. 15.100
  libavcodec     56. 14.100 / 56. 14.100
  libavformat    56. 15.102 / 56. 15.102
  libavdevice    56.  3.100 / 56.  3.100
  libavfilter     5.  2.103 /  5.  2.103
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
Trailing options were found on the commandline.
[dvd @ 0x1eb8b60]  Hello DVD !
Input #0, dvd, from 'home/eejya/LOTR3.ISO':
  Duration: N/A, bitrate: N/A
At least one output file must be specified