Apple Compressor 2 - Manual (Page 217)

Chapter 16 Using the Preview Window 217
6 Use the cropping boundary to adjust the display frame size of your output media file.
7 Check the results of your cropping by clicking the Source and Setting View buttons.
Note: The more you reduce the clip image by cropping it, the larger the scale factor of
the output image will be (as the framing geometry conforms to the settings of the
output size ratio rather than to the source file settings). This effect is similar to zooming
in on an image, which results in larger pixels and overall image degradation. So make
sure that you don’t crop in so far that the image is enlarged past its original size relative
to the original size of the frame.
Cropping boundary
and handles
Split screen slider
Split screen divider
Cropping dimensions (also
seen in Source Inset fields
in the Geometry pane)
Source and Setting
View buttons
Batch item pop-up menu
Source and Setting
View buttons