4.2

Custom group. (If the Settings pane is hidden, press Shift-
Command-1.) With this method, the modifications you
make will be saved to the custom setting for future use.
2. In the inspector pane, click Video to open the Video inspector.
If the inspector pane is not visible, click the Inspector button
in the upper-right corner of the Compressor window.
3. In the Cropping & Padding section of the Video inspector, do
one of the following:
In the Padding property, manually type a number in the
Top, Bottom, Left, and Right fields to pad the source
image by that many pixels.
Choose a preset from the Padding pop-up
menu.
Note: If the aspect ratio you choose does not match the
aspect ratio selected in the “Frame size” pop-up menu (in
the Video Properties section), the image may appear
squished or squeezed after the file is transcoded.
Choose Preserve Source Aspect Ratio from the Padding
pop-up menu. This ensures that the source clip remains at
its native aspect ratio. If the “Frame size” pop-up menu (in
the Video Properties section) is set to a different aspect
ratio, black borders will be added to the transcoded output
file.
Modify frame rate
aspect ratio