Please find further details about MesoNet and YOLOv5 in the respective folders.
For train/val data please contact FaceForensics++ https://github.com/ondyari/FaceForensics#access
We have publised the reults of YOLOv5 on the here - http://kaldir.vc.in.tum.de/faceforensics_benchmark/
In the YOLOv5 directory, one can simply execute python3 app.py
to run flask server and launch site on localhost.