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Set Up a Preview of the Captured Video Output

In the next phase of your project, you’ll see how seamlessly Interface Builder and Xcode work together, enabling you to construct and implement the various elements in your project more efficiently and with less overhead.

1. In Interface Builder, hook up the MyRecorderController object to the QTCaptureView object. Control-drag from the MyRecorderController object in your nib file to the QTCaptureView object. A transparent panel will appear, as shown in Figure 2-13, displaying the IBOutlet instance variable, mCaptureView, that you’ve specified in your declaration file.

   
   

   Figure 2-13  The mCaptureView instance variable wired as an outlet for the MyRecorderController object

   

2. Click the Interface Builder outlet mCaptureView to wire up the two objects.

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