FFmpeg (video add-on for Digital Product Commander)

This add-on is the unmodified Windows build of FFmpeg "N-92722-gf22fcd4483" (Zeranoe build 20181217, FFmpeg 4.1 development line),
built with --enable-gpl --enable-version3 --enable-libx264 and others. It is licensed under the GNU General Public License,
version 3 (GPLv3): https://www.gnu.org/licenses/gpl-3.0.txt
Digital Product Commander only starts ffmpeg.exe as a separate program (to turn the listing pictures into a short MP4). It is not
linked into the app.

Source code: FFmpeg git commit f22fcd4483 (https://github.com/FFmpeg/FFmpeg) and https://ffmpeg.org/releases/ffmpeg-4.1.tar.xz.
Build scripts and the exact library versions came from the Zeranoe FFmpeg build project. The same source offer is valid for 3 years;
write to the project owner if you need a copy on disk.
