[root@derpstation ~]# ffmpeg -i Event20140424133242004 -c:v libx264 -preset slow -crf 22 -c:a copy ouput.mp4
ffmpeg version git-2014-04-24-ca9cc6f Copyright (c) 2000-2014 the FFmpeg developers
  built on Apr 24 2014 13:35:52 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)
  configuration:
  libavutil      52. 78.100 / 52. 78.100
  libavcodec     55. 59.100 / 55. 59.100
  libavformat    55. 37.101 / 55. 37.101
  libavdevice    55. 13.100 / 55. 13.100
  libavfilter     4.  4.100 /  4.  4.100
  libswscale      2.  6.100 /  2.  6.100
  libswresample   0. 18.100 /  0. 18.100
Unrecognized option 'preset'.
Error splitting the argument list: Option not found
[root@derpstation ~]# ffmpeg -i Event20140424133242004 -c:v libx264 -crf 22 -c:a copy ouput.mp4
ffmpeg version git-2014-04-24-ca9cc6f Copyright (c) 2000-2014 the FFmpeg developers
  built on Apr 24 2014 13:35:52 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)
  configuration:
  libavutil      52. 78.100 / 52. 78.100
  libavcodec     55. 59.100 / 55. 59.100
  libavformat    55. 37.101 / 55. 37.101
  libavdevice    55. 13.100 / 55. 13.100
  libavfilter     4.  4.100 /  4.  4.100
  libswscale      2.  6.100 /  2.  6.100
  libswresample   0. 18.100 /  0. 18.100
Unrecognized option 'crf'.
Error splitting the argument list: Option not found
[root@derpstation ~]# ffmpeg -i Event20140424133242004 -c:v libx264 -c:a copy ouput.mp4
ffmpeg version git-2014-04-24-ca9cc6f Copyright (c) 2000-2014 the FFmpeg developers
  built on Apr 24 2014 13:35:52 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)
  configuration:
  libavutil      52. 78.100 / 52. 78.100
  libavcodec     55. 59.100 / 55. 59.100
  libavformat    55. 37.101 / 55. 37.101
  libavdevice    55. 13.100 / 55. 13.100
  libavfilter     4.  4.100 /  4.  4.100
  libswscale      2.  6.100 /  2.  6.100
  libswresample   0. 18.100 /  0. 18.100
Event20140424133242004: No such file or directory
[root@derpstation ~]# ffmpeg -i Event20140424133242004.avi -c:v libx264 -c:a copy ouput.mp4
ffmpeg version git-2014-04-24-ca9cc6f Copyright (c) 2000-2014 the FFmpeg developers
  built on Apr 24 2014 13:35:52 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)
  configuration:
  libavutil      52. 78.100 / 52. 78.100
  libavcodec     55. 59.100 / 55. 59.100
  libavformat    55. 37.101 / 55. 37.101
  libavdevice    55. 13.100 / 55. 13.100
  libavfilter     4.  4.100 /  4.  4.100
  libswscale      2.  6.100 /  2.  6.100
  libswresample   0. 18.100 /  0. 18.100
[h264 @ 0x23425c0] A non-intra slice in an IDR NAL unit.
[h264 @ 0x23425c0] decode_slice_header error
[avi @ 0x2341c20] probed stream 1 failed
[h264 @ 0x23425c0] slice type 32 too large at 0 15
[h264 @ 0x23425c0] decode_slice_header error
[h264 @ 0x23425c0] slice type 32 too large at 0 15
[h264 @ 0x23425c0] decode_slice_header error
[h264 @ 0x23425c0] slice type 32 too large at 0 15
[h264 @ 0x23425c0] decode_slice_header error
[h264 @ 0x23425c0] slice type 31 too large at 0 15
[h264 @ 0x23425c0] decode_slice_header error
[h264 @ 0x23425c0] slice type 32 too large at 0 15
[h264 @ 0x23425c0] decode_slice_header error
[h264 @ 0x23425c0] slice type 32 too large at 0 15
[h264 @ 0x23425c0] decode_slice_header error
[avi @ 0x2341c20] Could not find codec parameters for stream 1 (Subtitle: none): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, avi, from 'Event20140424133242004.avi':
  Duration: 00:00:48.63, start: 0.000000, bitrate: 93 kb/s
    Stream #0:0: Video: h264 (Constrained Baseline) (GAVC / 0x43564147), yuv420p, 320x240, 30 fps, 30 tbr, 30 tbn, 30 tbc
    Stream #0:1: Subtitle: none
Unknown encoder 'libx264'