- Fixes an issue where checking for camera permissions would cause a …

…crash on macOS < 10.14.

mac/platformcontext.mm

@@ -45,30 +45,35 @@ of this software and associated documentation files (the "Software"), to deal
  Context()
 {
  LOG(LOG_INFO, "Platform context created\n");
- cameraPermissionReceived = 0;
- if ([AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo] == AVAuthorizationStatusAuthorized) {
- NSLog(@"Already have camera permission");
- cameraPermissionReceived = 1;
- }
- else {
- NSLog(@"Requesting permission, bundle path for Info.plist: %@", [[NSBundle mainBundle] bundlePath]);
- [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
- if (granted) {
- cameraPermissionReceived = 1;
- } else {
- cameraPermissionReceived = -1;
- }
- if (granted) {
- NSLog(@"Permission granted");
- } else {
- NSLog(@"Failed to get permission");
+ if ([AVCaptureDevice respondsToSelector:@selector(authorizationStatusForMediaType:)]) {
+ cameraPermissionReceived = 0;
+ if ([AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo] == AVAuthorizationStatusAuthorized) {
+ NSLog(@"Already have camera permission");
+ cameraPermissionReceived = 1;
+ }
+ else {
+ NSLog(@"Requesting permission, bundle path for Info.plist: %@", [[NSBundle mainBundle] bundlePath]);
+ [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
+ if (granted) {
+ cameraPermissionReceived = 1;
+ } else {
+ cameraPermissionReceived = -1;
+ }
+ if (granted) {
+ NSLog(@"Permission granted");
+ } else {
+ NSLog(@"Failed to get permission");
+ }
+ } ];
+ while (cameraPermissionReceived == 0) {
+ std::this_thread::sleep_for(std::chrono::milliseconds(200));
  }
- } ];
- while (cameraPermissionReceived == 0) {
- std::this_thread::sleep_for(std::chrono::milliseconds(200));
+ }
+ if (cameraPermissionReceived == 1) {
+ enumerateDevices();
  }
  }
- if (cameraPermissionReceived == 1) {
+ else {
  enumerateDevices();
  }
 }