c# - Xamarin MonoMac 在主窗口上预览网络摄像头 ( AVCaptureVideoPreviewLayer )

Question

我创建了一个简单的 Xamarin MonoMac Mac 应用程序(基本框架 1 窗口)。我正在尝试在应用程序的主窗口上预览网络摄像头。我使用 AVFoundation 类来访问网络摄像头。

我可以成功连接到 Mac 的网络摄像头，并且网络摄像头指示灯亮起，但主窗口上没有视频。

我的c#代码

        session = new AVCaptureSession () { SessionPreset = AVCaptureSession.PresetMedium };

        var captureDevice = AVCaptureDevice.DefaultDeviceWithMediaType (AVMediaType.Video);

        var input = AVCaptureDeviceInput.FromDevice (captureDevice);
        if (input == null){
            Console.WriteLine ("No input - this won't work on the simulator, try a physical device");

        }

        session.AddInput (input);

        AVCaptureVideoPreviewLayer captureVideoPreviewLayer = new AVCaptureVideoPreviewLayer (session);

        **//----> preview layer onto Window here ?!**

        session.StartRunning ();

Answer 1

这解决了它 - 希望它能帮助某人..

            AVCaptureVideoPreviewLayer captureVideoPreviewLayer = AVCaptureVideoPreviewLayer.FromSession (session);

            this.Window.ContentView.Layer=captureVideoPreviewLayer;
            this.Window.ContentView.WantsLayer=true;

            session.StartRunning ();