视频数据流

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    UIButton *button=[UIButton buttonWithType:UIButtonTypeRoundedRect];
    button.frame=CGRectMake(0, 0, 200, 50);
    [button setTitle:@"aa" forState:UIControlStateNormal];
    [button addTarget:self action:@selector(click:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
}

-(void)click:(UIButton *)btn{
   
    UIImagePickerController *imagePicker=[[UIImagePickerController alloc] init];
    imagePicker.delegate=self;
//    imagePicker.view.frame=s
    if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]){
     imagePicker.sourceType=UIImagePickerControllerSourceTypeCamera;
       
    }
   // imagePicker.allowsEditing=YES;
//    [self.view addSubview:imagePicker.view];
[self presentViewController:imagePicker animated:YES completion:^{
   
}];
}


- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo {
   
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{
    [self dismissViewControllerAnimated:YES completion:nil];
    NSLog(@"%@",info);
  UIImage *image=[info objectForKey:UIImagePickerControllerOriginalImage];

    self.image.image=image;
}
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker{
    [self dismissViewControllerAnimated:YES completion:^{
       
    }];
}

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