AVFoundation: backported runtime authorization check from master

6 years ago · f10fce9ab4
parent aaad238c6e
commit f10fce9ab4
1 changed files with 31 additions and 28 deletions
--- a/modules/videoio/src/cap_avfoundation_mac.mm
+++ b/modules/videoio/src/cap_avfoundation_mac.mm
@ -316,6 +316,8 @@ int CvCaptureCAM::startCaptureDevice(int cameraNum) {
    NSAutoreleasePool *localpool = [[NSAutoreleasePool alloc] init];

 #if defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 101400
+    if (@available(macOS 10.14, *))
+    {
        AVAuthorizationStatus status = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
        if (status == AVAuthorizationStatusDenied)
        {
@ -353,6 +355,7 @@ int CvCaptureCAM::startCaptureDevice(int cameraNum) {
            [localpool drain];
            return 0;
        }
+    }
 #endif

    // get capture device