requestImageDataAndOrientationForAsset 内存泄露崩溃

IOS 相册里图片很多 比如2000多张 内存飙升到1g多 崩溃了。

There are a lot of pictures in the IOS photo album. For example, more than 2000 pieces of memory soared to more than 1G and crashed

2020-11-10 18:25:42.921000+0800 ClearPhotoDemo[2855:107408] 原图大小为：8.33M，而缩率图尺寸为：{640, 360}
2020-11-10 18:25:42.941357+0800 ClearPhotoDemo[2855:107869] [GatekeeperXPC] Connection to assetsd was interrupted - assetsd exited, died, or closed the photo library
2020-11-10 18:25:42.946583+0800 ClearPhotoDemo[2855:107408] 原图大小为：10.24M，而缩率图尺寸为：{640, 360}

// 如果已经授权, 获取相簿中的所有PHAsset对象
- (void)getAllAsset
{
    // 获取所有资源的集合，并按资源的创建时间排序，这样就可以通过和上一张图片判断日期来分组了
    PHFetchOptions *options = [[PHFetchOptions alloc] init];
    options.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:NO]];
    PHFetchResult *result = [PHAsset fetchAssetsWithOptions:options];
    self.assetArray = result;
    
    // 最初从第一张图片，数组中位置0的图片开始获取
    [self requestImageWithIndex:0];
}

    // 获取压缩大小后的图片，即缩略图
    [imageManager requestImageForAsset:asset targetSize:CGSizeMake(125, 125) contentMode:PHImageContentModeDefault options:self.imageRequestOptions resultHandler:^(UIImage * _Nullable result, NSDictionary * _Nullable info) {
        
        // 获取原图（原图大小）
        @autoreleasepool {
            [imageManager requestImageDataAndOrientationForAsset:self.assetArray[index] options:self.imageSizeRequestOptions resultHandler:^(NSData * _Nullable imageData, NSString * _Nullable dataUTI, CGImagePropertyOrientation orientation, NSDictionary * _Nullable info) {
                
                // 处理图片，分别传入缩略图和原图
                [weakSelf dealImageWithIndex:index exactImage:result originImageData:imageData];

            }];
        }
    }];