I agree about the codec DJI uses, if I play Panasonic 100mbs, 4K video files on my fast windows computer using Edius 8 Pro no problem. Even DJI 4K, 100mbs, 25 fps is ok but the new 4K, 100mbs, 50fps cause slight jerkiness on play back. VLC cant handle it either, funnily the windows 10 media...