not already meet these requirements, you may have to scale, crop or add black borders to the picture to make it compliant.
==== 11.8.1.1. Format Constrai... aspect (most recent action movies), you will have to add black borders or crop the movie down to 16:9 to make a DVD or VCD. If you add black borders, try to align them at 16-pixel boundaries in order to minimize the impact on encoding performance. Than... fficiently excessive bitrate that you do not have to worry too much about encoding efficiency, but SVCD and VCD
