Print 
PDFWhen true, After Effects uses special algorithms to determine how to perform high-quality field separation.It is an error to set this attribute if isStill i
Category Archives: FootageSource object
FileSource object
The FileSource object describes footage that comes from a file.οΎ• FileSource is a subclass of FootageSource. All methods and attributes of FootageSource, in
invertAlpha
When true, an alpha channel in a footage clip or proxy should be inverted.This attribute is valid onlyif an alpha is present. If hasAlpha isfalse, or if alp
removePulldown
How the pulldowns are to be removed when field separation is used.It is an error to set this attribute if isStill is true. It is an error to attempt to set
FootageSource object
The FootageSource object holds information describing the source of some footage. It is used as themainSource of a FootageItem, or the proxySource of a Comp
guessAlphaMode()
Sets alphaMode, premulColor, and invertAlpha to the best estimates for this footage source. If hasAlpha is false, no change is made.None.Nothing.
nativeFrameRate
The native frame rate of the footage.Floating-point; read/write.
guessPulldown()
Sets fieldSeparationType and removePulldown to the best estimates for this footage source. If isStill is true, no change is made.The method to use for estim