Reserve enough margin to be cropped

[thawk]

Make sure the sanitised image has enough margin (half of height for top/bottom) to be cropped.

[aspiers]

I can't remember exactly how this is supposed to work but this sounds reasonable so taking it on trust it works 😁

[thawk]

I can't remember exactly how this is supposed to work but this sounds reasonable so taking it on trust it works 😁

I have a score, which is only more than 100 pixels height, so its center line is at only 2xx. Because the video height is 720, it requires that the center line is at least 360 to have a non-negative top coordinate. So I add more margin to make sure a center line is not less than halft height of the final video.

[aspiers]

Thanks for the explanation 👍