UIImagePickerController with camera source with allows editing yes : video trimming doesn't work

问题

I am using UIImagePickerController to record a video with the sourceType set to UIImagePickerControllerSourceTypeCamera.

I have set allowsEditing to true.

After capturing video I edit the video using the trimming interface and press "Use", I only get back the original recording not the trimmed version. What am I doing wrong?

I am using iOS 5.

-(void)shootvideo {
    imagePicker = [[UIImagePickerController alloc] init];
    [imagePicker.view addSubview:test];
    [imagePicker.view addSubview:test2];

    imagePicker.delegate = self;
    imagePicker.sourceType =  UIImagePickerControllerSourceTypeCamera;

    imagePicker.mediaTypes = [[NSArray alloc] initWithObjects:(NSString *)kUTTypeMovie, nil];
    imagePicker.showsCameraControls = YES;
    imagePicker.navigationBarHidden = NO;
    imagePicker.toolbarHidden = NO;
    imagePicker.wantsFullScreenLayout = YES;
    imagePicker.allowsEditing=YES;

    [self presentModalViewController:imagePicker animated:YES];
}


-(void) imagePickerController: (UIImagePickerController *) picker
didFinishPickingMediaWithInfo: (NSDictionary *) info 
{
    NSString *mediaType = [info objectForKey: UIImagePickerControllerMediaType];


    if (CFStringCompare ((__bridge CFStringRef) mediaType, kUTTypeMovie, 0)
        == kCFCompareEqualTo) 
    {

        NSString *moviePath = [[info objectForKey:UIImagePickerControllerMediaURL] path];

        //NSLog(@"%@",moviePath);

        if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum (moviePath)) {
            UISaveVideoAtPathToSavedPhotosAlbum (moviePath, nil, nil, nil);
        }
    }

    [self dismissModalViewControllerAnimated:YES];  
}

I want to use that trimmed video for further processing according to my application.

Where I am going wrong?

Is there any other way to achieve this task?

回答1:

allowsEditing : A Boolean value indicating whether the user is allowed to edit a selected still image or movie.

@property (nonatomic) BOOL allowsEditing

Discussion If you allow the user to edit still images or movies, the delegate may receive a dictionary with information about the edits that were made. The protocol for the delegate is described in UIImagePickerControllerDelegate Protocol Reference.

I Think this will be helpful.

回答2:

you need to grab the info[UIImagePickerControllerEditedImage] from the - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info

I believe.

来源：https://stackoverflow.com/questions/10673269/uiimagepickercontroller-with-camera-source-with-allows-editing-yes-video-trimm

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iphone

xcode

uiimagepickercontroller