How to rotate or flip a video?

This can be easily done using HandBrake. Simply add the following option in the tab VIDEO in the EXTRA OPTIONS box: , --rotate=n Take note that the comma and the space following it are required. n can take one of these values: 1 = x flip 2 = y flip 3 = 180 degrees rotate (DEFAULT) 4 = 90 degrees rotate (clockwise) 5 = 90 degrees rotate + y flip 6 = 270 degrees rotate + y flip 7 = 270 degrees rotate