Documentation:Modules/crop

Crop video filter
Remove borders of the video and replace them by black borders
     --crop-geometry=<string>   Crop geometry (pixels)
     --autocrop, --no-autocrop  Automatic cropping (default disabled)
     --autocrop-ratio-max=<integer [0 .. 15000]>
                                Ratio max (x 1000)
     --crop-ratio=<integer [0 .. 15000]>
                                Manual ratio
     --autocrop-time=<integer>  Number of images for change
     --autocrop-diff=<integer>  Number of lines for change
     --autocrop-non-black-pixels=<integer>
                                Number of non black pixels
     --autocrop-skip-percent=<integer [0 .. 100]>
                                Skip percentage (%)
     --autocrop-luminance-threshold=<integer [0 .. 128]>
                                Luminance threshold
Video scaling filter
  Crop:
     --croppadd-croptop=<integer [0 .. 2147483647]>
                                Pixels to crop from top
     --croppadd-cropbottom=<integer [0 .. 2147483647]>
                                Pixels to crop from bottom
     --croppadd-cropleft=<integer [0 .. 2147483647]>
                                Pixels to crop from left
     --croppadd-cropright=<integer [0 .. 2147483647]>
                                Pixels to crop from right
  Padd:
     --croppadd-paddtop=<integer [0 .. 2147483647]>
                                Pixels to padd to top
     --croppadd-paddbottom=<integer [0 .. 2147483647]>
                                Pixels to padd to bottom
     --croppadd-paddleft=<integer [0 .. 2147483647]>
                                Pixels to padd to left
     --croppadd-paddright=<integer [0 .. 2147483647]>
                                Pixels to padd to right