c++ - Mac Mojave 上的 OpenCV C++ Xcode 错误 NSCameraUsageDescription

Question

我已经在 MacPro 上安装了 opencv，我正在尝试编写一个程序来激活 cam，它只是为了测试它成功构建的 opencv，但是，cam 没有打开，我收到了这条消息

saved enable noise cancellation setting is the same as the default(=1) pentest[30782:364297] [access] This app has crashed because it attempted to access privacy-sensitive data without a usage description. The app's Info.plist must contain an NSCameraUsageDescription key with a string value explaining to the user how the app uses this data

我的代码是:

#include <iostream>
#include<opencv2/opencv.hpp>
using namespace cv;
int main(int argc, const char * argv[]) {
    // insert code here...
    VideoCapture cap(0);
    while(true){
        Mat Webcam;
        cap.read(Webcam);
        imshow("webcam",Webcam);
    }
    return 0;
}

Answer 1

我最近发布了 another answer解决这种情况:

Put the Info.plist file with the desired NSCameraUsageDescription, NSMicrophoneUsageDescription (or others) with the assembled file from XCode (See screenshots below). For the Release and Debug versions.