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A video working :
=================

ffmpeg version N-50274-g214cb30 Copyright (c) 2000-2013 the FFmpeg developers
  built on Feb 24 2013 19:01:07 with gcc 4.4.5 (Debian 4.4.5-8)
  configuration: --enable-vdpau --enable-bzlib --enable-pthreads --enable-zlib --enable-gpl --enable-libx264 --enable-libthe\
ora --enable-libvorbis --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-l\
ibvpx --enable-nonfree --enable-version3 --enable-x11grab
  libavutil      52. 17.103 / 52. 17.103
  libavcodec     54. 92.100 / 54. 92.100
  libavformat    54. 63.100 / 54. 63.100
  libavdevice    54.  3.103 / 54.  3.103
  libavfilter     3. 40.100 /  3. 40.100
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'big_buck_bunny.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: mp42avc1
    creation_time   : 2010-02-09 01:55:39
  Duration: 00:01:00.10, start: 0.000000, bitrate: 733 kb/s
    Stream #0:0(eng): Audio: aac (mp4a / 0x6134706D), 22050 Hz, stereo, fltp, 65 kb/s
    Metadata:
      creation_time   : 2010-02-09 01:55:39
      handler_name    : Apple Sound Media Handler
    Stream #0:1(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 640x360, 612 kb/s, 23.96 fps, 24 tbr,\
 600 tbn, 1200 tbc
    Metadata:
      creation_time   : 2010-02-09 01:55:39
      handler_name    : Apple Video Media Handler
    Stream #0:2(eng): Data: none (rtp  / 0x20707472), 45 kb/s
    Metadata:
      creation_time   : 2010-02-09 01:55:39
      handler_name    : hint media handler

    Metadata:
      creation_time   : 2010-02-09 01:55:39
      handler_name    : hint media handler
At least one output file must be specified

My video :
==========

rafdune@debian:~/Documents/CameraNancy$ env LD_LIBRARY_PATH=/usr/local/lib/ ffmpeg -i res_compil.mp4
ffmpeg version N-50274-g214cb30 Copyright (c) 2000-2013 the FFmpeg developers
  built on Feb 24 2013 19:01:07 with gcc 4.4.5 (Debian 4.4.5-8)
  configuration: --enable-vdpau --enable-bzlib --enable-pthreads --enable-zlib --enable-gpl --enable-libx264 --enable-libthe\
ora --enable-libvorbis --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-l\
ibvpx --enable-nonfree --enable-version3 --enable-x11grab
  libavutil      52. 17.103 / 52. 17.103
  libavcodec     54. 92.100 / 54. 92.100
  libavformat    54. 63.100 / 54. 63.100
  libavdevice    54.  3.103 / 54.  3.103
  libavfilter     3. 40.100 /  3. 40.100
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'res_compil.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf54.63.100
  Duration: 00:01:27.72, start: 0.000000, bitrate: 1838 kb/s
    Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuvj420p, 640x400 [SAR 1:1 DAR 8:5], 1837 kb/s\
, 25 fps, 25 tbr, 12800 tbn, 50 tbc

    Metadata:
      handler_name    : VideoHandler
At least one output file must be specified