The x264 encoder software is Copyright (C) 2003-2013 x264 project
http://www.videolan.org/developers/x264.html
Avisynth is Copyright (C) 2000 Ben Rudiak−Gould and all subsequent developers
http://avisynth.nl/index.php/Main_Page
VapourSynth is Copyright (c) 2012 Fredrik Mellbin
http://www.vapoursynth.com/
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.