         isNeedCaptureImage = isCaptureImg
         
         successBlock = success
-        
-        super.init()
         
         if session.canAddInput(input)
         {

            
        }
        
        // Output
        output = AVCaptureMetadataOutput()
        

        videoPreView.layer .insertSublayer(previewLayer!, atIndex: 0)
        
        
        if ( device!.focusPointOfInterestSupported && device!.isFocusModeSupported(AVCaptureFocusMode.ContinuousAutoFocus) )
        {
            do
            {
