Fix crash on double-stop of CvVideoCamera

3d19de2b · David Wolever · fc742da6 · 3d19de2b
Unverified Commit 3d19de2b authored Aug 02, 2016 by David Wolever
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cap_ios_video_camera.mm modules/videoio/src/cap_ios_video_camera.mm +8 -0

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--- a/modules/videoio/src/cap_ios_video_camera.mm
+++ b/modules/videoio/src/cap_ios_video_camera.mm
@@ -100,6 +100,10 @@ static CGFloat DegreesToRadians(CGFloat degrees) {return degrees * M_PI / 180;}

 - (void)start;
 {
+    if (self.running == YES) {
+        return;
+    }
+
    recordingCountDown = 10;
    [super start];

@@ -118,6 +122,10 @@ static CGFloat DegreesToRadians(CGFloat degrees) {return degrees * M_PI / 180;}

 - (void)stop;
 {
+    if (self.running == NO) {
+        return;
+    }
+
    [super stop];

    self.videoDataOutput = nil;