[image_icon_descriptor.TransportMode]
Bits = 2
0 = Delivered in the icon_data_bytes
1 = Identified by URL
2-3 = DVB-reserved

[image_icon_descriptor.CoordinateSystem]
Bits = 3
0 = Coordinates 720x576
1 = Coordinates 1280x720
2 = Coordinates 1920x1080
3-6 = DVB reserved
7 = User Private
