I thought you were referencing to a promotional video for some reason. This thread should guide you. While I don’t actually remember seeing any documentation as to sizes, that are actually acceptable, MP4 1280x720@24-25 fps works for sure.
I thought you were referencing to a promotional video for some reason. This thread should guide you. While I don’t actually remember seeing any documentation as to sizes, that are actually acceptable, MP4 1280x720@24-25 fps works for sure.