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Merge pull request #22946 from VadimLevin:dev/vlevin/avfoundation-stable-multicamera-index

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fix: AVFoundation inconsistent camera indices
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Alexander Smorkalov 2022-12-13 10:34:42 +03:00 committed by GitHub
commit c2ecbc76ce
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9
modules/videoio/src/cap_avfoundation_mac.mm
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@ -376,6 +376,15 @@ int CvCaptureCAM::startCaptureDevice(int cameraNum) {
return 0;
}
// Preserve devices ordering on the system
// see AVCaptureDevice::uniqueID property documentation for more info
devices = [devices
sortedArrayUsingComparator:^NSComparisonResult(AVCaptureDevice *d1,
AVCaptureDevice *d2) {
return [d1.uniqueID compare:d2.uniqueID];
}
];
mCaptureDevice = devices[cameraNum];
if ( ! mCaptureDevice ) {