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Merge pull request #14278 from mshabunin:fix-osx-camera-auth-rt

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* AVFoundation: Use runtime check for camera authorization
This commit is contained in:
Maksim Shabunin 2019-04-11 19:16:50 +03:00 committed by Alexander Alekhin
parent 64168fc20a
commit 5cb0eded64
1 changed files with 20 additions and 17 deletions
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37
modules/videoio/src/cap_avfoundation_mac.mm
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@ -325,24 +325,27 @@ 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
AVAuthorizationStatus status = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
if (status == AVAuthorizationStatusDenied)
if (@available(macOS 10.14, *))
{
fprintf(stderr, "OpenCV: camera access has been denied. Either run 'tccutil reset Camera' "
"command in same terminal to reset application authorization status, "
"either modify 'System Preferences -> Security & Privacy -> Camera' "
"settings for your application.\n");
[localpool drain];
return 0;
}
else if (status != AVAuthorizationStatusAuthorized)
{
fprintf(stderr, "OpenCV: not authorized to capture video (status %ld), requesting...\n", status);
// TODO: doesn't work via ssh
[AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL) { /* we don't care */}];
// we do not wait for completion
[localpool drain];
return 0;
AVAuthorizationStatus status = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
if (status == AVAuthorizationStatusDenied)
{
fprintf(stderr, "OpenCV: camera access has been denied. Either run 'tccutil reset Camera' "
"command in same terminal to reset application authorization status, "
"either modify 'System Preferences -> Security & Privacy -> Camera' "
"settings for your application.\n");
[localpool drain];
return 0;
}
else if (status != AVAuthorizationStatusAuthorized)
{
fprintf(stderr, "OpenCV: not authorized to capture video (status %ld), requesting...\n", status);
// TODO: doesn't work via ssh
[AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL) { /* we don't care */}];
// we do not wait for completion
[localpool drain];
return 0;
}
}
#endif