我正在尝试将相机视图简单地放入我的视图控制器中。
我在顶部导入了AVFoundation
,以及UIImagePickerControllerDelegate
和UINavigationControllerDelegate
类。
然而,每当我尝试使用AVCaptureStillImageOutput
时,Xcode告诉我它在iOS10中已被弃用,并且我应该使用AVCapturePhotoOutput
。这完全没问题,但是一旦我想调用stillImageOutput.outputSettings
,.outputSettings
本身就不可用了。因此,我必须使用AVAVCaptureStillImageOutput
才能使其正常工作,但是我有多个警告,因为这个函数在iOS10中已被弃用。
我搜寻了很久,但真的找不到解决方法。非常感谢您的帮助。我正在学习,所以任何解释都会很好!下面是代码。
import UIKit
import AVFoundation
class CameraView: UIViewController, UIImagePickerControllerDelegate, UINavigationControllerDelegate {
var captureSession : AVCaptureSession?
var stillImageOutput : AVCaptureStillImageOutput?
var previewLayer : AVCaptureVideoPreviewLayer?
@IBOutlet var cameraView: UIView!
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
captureSession = AVCaptureSession()
captureSession?.sessionPreset = AVCaptureSessionPreset1920x1080
var backCamera = AVCaptureDevice.defaultDevice(withMediaType: AVMediaTypeVideo)
var error : NSError?
do {
var input = try! AVCaptureDeviceInput (device: backCamera)
if (error == nil && captureSession?.canAddInput(input) != nil) {
captureSession?.addInput(input)
stillImageOutput = AVCaptureStillImageOutput()
stillImageOutput?.outputSettings = [AVVideoCodecKey: AVVideoCodecJPEG]
if (captureSession?.canAddOutput(stillImageOutput) != nil) {
captureSession?.addOutput(stillImageOutput)
previewLayer = AVCaptureVideoPreviewLayer (session: captureSession)
previewLayer?.videoGravity = AVLayerVideoGravityResizeAspect
previewLayer?.connection.videoOrientation = AVCaptureVideoOrientation.portrait
cameraView.layer.addSublayer(previewLayer!)
captureSession?.startRunning()
}
}
} catch {
}
}
}