C:\highspeed\vids>ffmpeg -i drop1.avi
ffmpeg version N-70821-gb61cb61 Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.9.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --e
nable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-li
bass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-li
bgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-lib
opencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-l
ibrtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --en
able-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable
-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-
libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
  libavutil      54. 20.100 / 54. 20.100
  libavcodec     56. 28.100 / 56. 28.100
  libavformat    56. 26.101 / 56. 26.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 13.100 /  5. 13.100
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
Input #0, avi, from 'drop1.avi':
  Duration: 00:00:13.08, start: 0.000000, bitrate: 996361 kb/s
    Stream #0:0: Video: rawvideo, pal8, 1920x1081, 997524 kb/s, 60 fps, 60 tbr, 60 tbn, 60
 tbc
    Metadata:
      title           : drop1.avi Video #1
At least one output file must be specified