on 1.0 Copyright (c) 2000-2012 the FFmpeg developers
  built on Sep 29 2012 11:22:50 with gcc 4.7.1 (GCC) 20120721 (prerelease)
  configuration: --prefix=/usr --enable-libmp3lame --enable-libvorbis --enable-libxvid --enable-libx264 --enable-libvpx --enable-libtheora --enable-libgsm --enable-libspeex --enable-postproc --enable-shared --enable-x11grab --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libschroedinger --enable-libopenjpeg --enable-librtmp --enable-libpulse --enable-libv4l2 --enable-gpl --enable-version3 --enable-runtime-cpudetect --disable-debug --disable-static
  libavutil      51. 73.101 / 51. 73.101
  libavcodec     54. 59.100 / 54. 59.100
  libavformat    54. 29.104 / 54. 29.104
  libavdevice    54.  2.101 / 54.  2.101
  libavfilter     3. 17.100 /  3. 17.100
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
-deinterlace is deprecated, use -filter:v yadif instead
Input #0, flv, from 'video.flv':
  Metadata:
    starttime       : 0
    totalduration   : 209
    totaldatarate   : 632
    bytelength      : 16558851
    canseekontime   : true
    sourcedata      : B4A7D64A1HH1349039814204422
    purl            : 
    pmsg            : 
  Duration: 00:03:28.96, start: 0.000000, bitrate: 633 kb/s
    Stream #0:0: Video: h264 (Main), yuv420p, 480x360 [SAR 1:1 DAR 4:3], 522 kb/s, 25 tbr, 1k tbn, 50 tbc
    Stream #0:1: Audio: aac, 44100 Hz, stereo, s16, 118 kb/s
File for preset 'ultrafast' not found