Update cap_ios_abstract_camera.mm

AVCaptureVideoPreviewLayer setOrientation is depricated. This fixes the warning and provides backward compatibility.

diff --git a/modules/highgui/src/cap_ios_abstract_camera.mm b/modules/highgui/src/cap_ios_abstract_camera.mm
index a77e200..6675a9d 100644 (file)
--- a/modules/highgui/src/cap_ios_abstract_camera.mm
+++ b/modules/highgui/src/cap_ios_abstract_camera.mm
@@ -278,9 +278,21 @@
 {
     self.captureVideoPreviewLayer = [[AVCaptureVideoPreviewLayer alloc] initWithSession:self.captureSession];
 
-    if ([self.captureVideoPreviewLayer isOrientationSupported]) {
-        [self.captureVideoPreviewLayer setOrientation:self.defaultAVCaptureVideoOrientation];
-    }
+    if ([self.captureVideoPreviewLayer respondsToSelector:@selector(connection)])
+       {
+               if ([self.captureVideoPreviewLayer.connection isVideoOrientationSupported])
+               {
+                       [self.captureVideoPreviewLayer.connection setVideoOrientation:self.defaultAVCaptureVideoOrientation];
+               }
+       }
+       else
+       {
+               // Deprecated in 6.0; here for backward compatibility
+               if ([self.captureVideoPreviewLayer isOrientationSupported])
+               {
+                       [self.captureVideoPreviewLayer setOrientation:self.defaultAVCaptureVideoOrientation];
+               }                
+       }
 
     if (parentView != nil) {
         self.captureVideoPreviewLayer.frame = self.parentView.bounds;