AVMutableVideoCompositionLayerInstruction
An object used to modify the transform, cropping, and opacity ramps applied to a given track in a mutable composition.
Declaration
class AVMutableVideoCompositionLayerInstructionTopics
Creating an instruction
Configuring a track ID
Managing properties
setOpacity(_:at:)setOpacityRamp(fromStartOpacity:toEndOpacity:timeRange:)setTransform(_:at:)setTransformRamp(fromStart:toEnd:timeRange:)