cropRectangleRamp(at:)
Obtains the crop rectangle ramp that includes the specified time.
Declaration
func cropRectangleRamp(at time: CMTime) -> AVVideoCompositionLayerInstruction.CropRectangleRamp?Obtains the crop rectangle ramp that includes the specified time.
func cropRectangleRamp(at time: CMTime) -> AVVideoCompositionLayerInstruction.CropRectangleRamp?