DSS2("flight.gif")              # I generally trust DSS2 more to have frame-accurate seeking than plain old DirectShowSource
FlipVertical                    # required because for some reason .gifs are loaded flipped

x = 4 - (Width  % 4)            # get number of columns to add (% means modulo)
y = 4 - (Height % 4)            # same for rows

AddBorders(0, 0, x, y)          # some colorspaces need widths and/or heights to be a multiple of 2 or 4
ConvertToYV12(matrix="PC.709")  # YV12 is required for the filters used by the QTGMC script

# AssumeBFF                     # required only for the "super armor" .gif
QTGMC(preset="placebo", FPSDivisor=2)  # placebo is usually total overkill; 2nd parameter means the framerate won't be doubled

ConvertToRGB(matrix="PC.709")   # back to RGB for unrestricted cropping
Crop(0, 0, -x, -y)              # restore original resolution