The GeoDict Linux tools installer contains:
 - x264, snapshot-20190707-2245, downloaded from https://download.videolan.org/pub/videolan/x264/snapshots/, compiled on 09.10.2019 without modifications of the source code
 - mp4box, from gpac version version 0.8.0, downloaded from https://github.com/gpac, compiled on 09.10.2019 without modifications of the source code
