/usr/local/bin/ffmpegthumbnailer
/usr/local/lib/libffmpegthumbnailer.so
/usr/local/lib/libffmpegthumbnailer.so.4
/usr/local/lib/libffmpegthumbnailer.so.4.15.1
/usr/local/share/thumbnailers/ffmpegthumbnailer.thumbnailer