text: //
  //  AVFoundationViewController.h
  //  CYSuperDemo
  //
  //  Created by cyrus on 2018/11/14.
  //  Copyright © 2018 Cyrus. All rights reserved.
  //
  
  #import "ViewController.h"
  
  NS_ASSUME_NONNULL_BEGIN
  
  @interface AVFoundationViewController : ViewController
  
  @end
  
  NS_ASSUME_NONNULL_END
  