transformRamp(at:)
Obtains the transform ramp that includes a specified time.
Declaration
func transformRamp(at time: CMTime) -> AVVideoCompositionLayerInstruction.TransformRamp?See Also
Getting opacity, transform, and cropping ramps
cropRectangleRamp(at:)AVVideoCompositionLayerInstruction.CropRectangleRampgetCropRectangleRamp(for:startCropRectangle:endCropRectangle:timeRange:)opacityRamp(at:)AVVideoCompositionLayerInstruction.OpacityRampgetOpacityRamp(for:startOpacity:endOpacity:timeRange:)AVVideoCompositionLayerInstruction.TransformRampgetTransformRamp(for:start:end:timeRange:)