The aperture mode dimensions set on any track in this QTMovie object, even if those dimensions are all identical to the classic dimensions (as is the case for content with square pixels and no edge-processing region). The value for this key is of type NSNumber, interpreted as a BOOL.
This attribute can be read but not written. This attribute can be read but not written when the movie has been initialized with QTMovieOpenForPlaybackAttribute set to YES.
Available in Mac OS X v10.5 and later.
Declaration Syntax Version Information- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)