Camera rampToVideoZoomFactor不';我不能在iPhone7上工作
我曾用Camera rampToVideoZoomFactor不';我不能在iPhone7上工作,camera,zooming,ios10,Camera,Zooming,Ios10,我曾用rampToVideoZoomFactor缩小/放大后置摄像头,但现在它在iPhone 7+上不起作用 我正在使用以下代码获取AVCaptureDevice: let doubleCamDevice = AVCaptureDeviceDiscoverySession.init(deviceTypes: [AVCaptureDeviceTypeBuiltInDuoCamera], mediaType: nil, position: AVCaptureDevicePosition.Back).
rampToVideoZoomFactor
缩小/放大后置摄像头,但现在它在iPhone 7+上不起作用
我正在使用以下代码获取AVCaptureDevice:
let doubleCamDevice = AVCaptureDeviceDiscoverySession.init(deviceTypes: [AVCaptureDeviceTypeBuiltInDuoCamera], mediaType: nil, position: AVCaptureDevicePosition.Back).devices.first
这有什么问题?你说的“它不工作”是什么意思?请提供具体细节。它没有放大和缩小。我使用:doubleCamDevice.rampToVideoZoomFactor(zoom,withRate:rateFloat)设置缩放