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

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

guessAlphaMode()

Sets alphaMode, premulColor, and invertAlpha to the best estimates for this footage source. If hasAlpha is false, no change is made.None.Nothing.

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

premulColor

The color tobe premultiplied. This attribute is valid only if the alphaMode is alphaMode.PREMULTIPLIED.Array of three floating-point values [R, G, B], in th

nativeFrameRate

The native frame rate of the footage.Floating-point; read/write.

loop

The number of times that the footage is to be played consecutively when used in a composition.It is an error to set this attribute if isStill is true.Intege

isStill

When true the footage is still; when false, it has a time-based component.Examples of still footage are JPEG files, solids, and placeholders with duration o

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

highQualityFieldSeparation

When 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