Ios UIImagePickerController在从摄像机切换到视频时崩溃

切换到视频捕获模式后，我在使用iOS 13（real device）的iPhone上的UIImagePickerController发生故障。崩溃在第二次演示

UIImagePickerControl

r时再现。崩溃不会在iOS 13之前的版本（真实设备）上重现。摄像头和麦克风使用说明码在使用Xcode 11.0构建的Info.plist测试应用程序中设置

步骤：

显示

UIImagePickerController

关闭

UIImagePickerController

显示

UIImagePickerController

点击视频按钮->崩溃

如果我将

videoQuality=UIImagePickerControllerQualityTypeHigh

，则不会再现崩溃。但是我需要

UIImagePickerController质量类型介质

@interface ViewController () < UINavigationControllerDelegate, UIImagePickerControllerDelegate>
@end

@implementation ViewController

#pragma mark - IBActions

- (IBAction)showPicker:(UIButton *)sender {
    UIImagePickerController *pickerController = [UIImagePickerController new];
    pickerController.sourceType = UIImagePickerControllerSourceTypeCamera;
    pickerController.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:UIImagePickerControllerSourceTypeCamera];
//    pickerController.videoQuality = UIImagePickerControllerQualityTypeHigh;
    pickerController.delegate = self;

    [self presentViewController:pickerController animated:YES completion:NULL];
}

#pragma mark - UIImagePickerControllerDelegate

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<UIImagePickerControllerInfoKey, id> *)info {
    [self dismissViewControllerAnimated:YES completion:NULL];
}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
    [self dismissViewControllerAnimated:YES completion:NULL];
}

@end

@interface ViewController（）
@结束
@实现视图控制器
#pragma标记-IBActions
-（iAction）显示选择器：（UIButton*）发送器{
UIImagePickerController*pickerController=[UIImagePickerController新建]；
pickerController.sourceType=UIImagePickerController源类型摄像头；
pickerController.mediaTypes=[UIImagePickerController可用于源类型的媒体类型：UIImagePickerController源类型Camera]；
//pickerController.videoQuality=UIImagePickerController质量类型高；
pickerController.delegate=self；
[self-presentViewController:pickerController动画：是完成：空]；
}
#pragma标记-UIImagePickerControllerDelegate
-（void）imagePickerController:（UIImagePickerController*）picker未使用信息完成PickingMediaWithInfo:（NSDictionary*）信息{
[self-dismissViewControllerAnimated:是完成：空]；
}
-（无效）ImagePickerController IDCancel:（UIImagePickerController*）选择器{
[self-dismissViewControllerAnimated:是完成：空]；
}
@结束

“NSInvalidArgumentException”，原因：“***-[AVCaptureDevice”
setActiveColorSpace:]不受支持-请使用
activeFormat.supportedColorSpaces'

在pickercontroller中设置视频质量

[pickerController setVideoQuality:UIImagePickerControllerQualityTypeIFrame1280x720];

您使用的是哪种型号的iPhone？我刚刚在iPhone XS Max上试用了你的代码，它运行良好，即使视频质量为Medium.11 pro。只发生在我第二次打开我帮助的采摘室时。