title: Capturing frame using AVCaptureVideoDataOutPut
body: <p>hello friends.</p>
  
  <p>I am a korean student. </p>
  
  <p>and I am making augment reality iPhone app with Xcode 4.3</p>
  
  <p>so I need to capture frame from camera.</p>
  
  <p>then I searched "how to capture from camera" </p>
  
  <p>and I finally found that using AVCaptureVideoDataOutPut is only possible to capture frame from camera..</p>
  
  <p>but I don't know how to use AVCaptureVideoDataOutPut to capture frame from camera.</p>
  
  <p>also I have not found exactly source code using AVCaptureVideoDataOutPut.</p>
  
  <p>so I can't make argument reality app anymore.</p>
  
  <p>so I really want to see or get source code which is code </p>
  
  <p>using AVCaptureVideoDataOutPut to capture frame from camera in IOS 5.x not IOS 4.x </p>
  
  <p>please help me. </p>