rally-x264.dll = libx264 (GPL v2, see COPYING-x264.txt) + third_party/x264/rally_x264.c of this app's source.
X264_URL=https://code.videolan.org/videolan/x264/-/archive/stable/x264-stable.tar.bz2
X264_SHA256=740126cb48549ca4e2f09b4ae13beed592d5b54744044e38f28662fd96d0ba56
X264_BUILD=165
