def captureOutput(output, didFinishProcessingPhoto: photo, error: error)
    if error
      error_callback.call(error)
    else
      @capture_callback.call(photo.fileDataRepresentation)
    end
  end
def captureOutput(output, didFinishProcessingPhoto: photo, error: error)
    if error
      error_callback.call(error)
    else
      @capture_callback.call(photo.fileDataRepresentation)
    end
  end
def captureOutput ( output , didFinishProcessingPhoto : photo , error : error ) if error error_callback . call ( error ) else @capture_callback . call ( photo . fileDataRepresentation ) end end
iOS 11+ AVCapturePhotoCaptureDelegate method
iOS 11 + AVCapturePhotoCaptureDelegate method