[INPUT]
GMVFile = <path>
A Global Motion Vector file is a text file containing one motion vector per frame (in pixel units). Each line in the file: fr: <frame number> x_d: <horizontal direction> y_d: <vectical direction>, for example:
fr: 1 x_d: 0 y_d: 0
fr: 2 x_d: -1 y_d: -1
fr: 3 x_d: 2 y_d: 3