time

The current time of the layer, expressed in composition time seconds .Floating-point value; read-only.

workAreaStart

The time when the Composition work area begins, in seconds.Floating-point; read/write.

outPoint

The out point of the layer, expressed in composition time seconds .Floating-point value in the range [-10800.0..10800.0] minus or plus three hours ; read/wr

replaceWithPlaceholder()

Changes the source of this FootageItem to the specified placeholder. Creates a new PlaceholderSource object, sets its values from the parameters, and sets m