#if os(iOS) import AVFoundation import Foundation extension NetStream { public var orientation: AVCaptureVideoOrientation { get { mixer.videoIO.orientation } set { self.mixer.videoIO.orientation = newValue } } public var zoomFactor: CGFloat { self.mixer.videoIO.zoomFactor } public func setZoomFactor(_ zoomFactor: CGFloat, ramping: Bool = false, withRate: Float = 2.0) { self.mixer.videoIO.setZoomFactor(zoomFactor, ramping: ramping, withRate: withRate) } } #endif