rotate[=<0-7>]　Fraternity7

rotate[=<0-7>]
    Rotates the image by 90 degrees and optionally  flips  it.   For
    values  between  4-7 rotation is only done if the movie geometry
    is portrait and not landscape.

   0 Rotate by 90 degrees clockwise and flip (default).

   1 Rotate by 90 degrees clockwise.

   2 Rotate by 90 degrees counterclockwise.

   3 Rotate by 90 degrees counterclockwise and flip.