alphaMode

The alphaMode attribute of footageSource defines how the alpha information in the footage is to be interpreted.If hasAlpha is false, this attribute has no r

PlaceholderSource object

The PlaceholderSource object describes the footage source of a placeholder.PlaceholderSource is a subclass of FootageSource. All methods and attributes of F

conformFrameRate

A frame rate to use instead of the nativeFrameRate value. If set to 0, the nativeFrameRate is used instead.It is an error to set this value if FootageSource

color

The color of the solid, expressed as red, green, and blue values.Array of three floating-point values, [R, G, B], in the range [0.0..1.0]; read/write.

displayFrameRate

The effective frame rate as displayed and rendered in compositions by After Effects.If removePulldown is PulldownPhase.OFF,then this is the same as the conf

SolidSource object

The SolidSource object represents a solid-color footage source.ユ SolidSource is a subclass of FootageSource. All methods and attributes of FootageSource, in

file

The ExtendScript File object for the file that defines this asset. To change the value:ユ If this FileSource is a proxySource of an AVItem, call setProxy ors

fieldSeparationType

How the fields are to be separated in non-still footage.It is an error to set this attribute if isStill is true. It is an error to set this value to FieldSe

missingFootagePath

The path and filename of footage that is missing from this asset. See also AVItem footageMissing attribute .String; read-only.

hasAlpha

When true, the footage has an alpha component. In this case, the attributes alphaMode, invertAlpha , andpremulColor have valid values. When false, those att