Apple has filed a patent (number 2012022970) with the U.S. Patent & Trademark Office for "zoom indication for stabilizing unstable video clips." It involves the improved stabilization feature found on the iPhone 5 and latest iPod touch, as well as its various video editing applications.
A computer-implemented method for zoom indication for stabilizing unstable video clips is described. To indicate zoom, a zoom value associated with an unstable segment of a video clip is received. The zoom value represents a value by which frames of the video clip in the unstable segment need to be zoomed to stabilize the unstable segment. An indicia is displayed representing the zoom value in a thumbnail in a user interface. The thumbnail represents the video clip. The indicia displayed over a region in the thumbnail corresponding to the unstable segment in the video clip.
Here's Apple's background on the invention: "Digital video clips can be recorded using digital video cameras...| Read more »