bash-3.2# ./ffmpeg -i /Users/vladvladvictorvictor/Downloads/corruptfile -f null -
ffmpeg version N-36400-g6429269, Copyright (c) 2000-2012 the FFmpeg developers
  built on Jan  4 2012 01:26:58 with llvm_gcc 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.1.00)
  configuration:
  libavutil      51. 33.100 / 51. 33.100
  libavcodec     53. 50.100 / 53. 50.100
  libavformat    53. 29.100 / 53. 29.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 57.101 /  2. 57.101
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0.  5.100 /  0.  5.100
[ea @ 0x7ffd7981c400] the file is corrupted, ea->bytes = 0
[ea @ 0x7ffd7981c400] error parsing header: -1094995529
[ea @ 0x7ffd7981c400] Could not find codec parameters (Video: tgv, pal8)
[ea @ 0x7ffd7981c400] Estimating duration from bitrate, this may be inaccurate
/Users/vladvladvictorvictor/Downloads/corruptfile: could not find codec parameters