我是Swift的新手。我正在尝试在我的类中使用方法签名:funcUISaveVideoAtPathToSavedPhotosAlbum(_videoPath:String!,_completionTarget:AnyObject!,_completionSelector:Selector,_contextInfo:CMutableVoidPointer)最后一个参数contextInfo在obj-c中是一个void*。如果我在Swift中传递字典，我会得到一个NSDictionarynotasubtypeofCMutableVoidPointer错误。对此有任何帮助将不胜感激。我不知道

-(void)imagePickerController:(UIImagePickerController*)pickerdidFinishPickingMediaWithInfo:(NSDictionary*)info{NSURL*videoURL=[infoobjectForKey:UIImagePickerControllerMediaURL];//getthevideoURLNSString*tempFilePath=[videoURLpath];if(UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(tempFilePath)){//

当我使用UISaveVideoAtPathToSavedPhotosAlbum在相册中保存视频时，如何在assets-library://asset/asset.mov中检索它的新AssetsURL....格式//outputURL.pathis:file:///private/var/mobile/Applications/4535724C-7ABD-4F00-A363-9A62022F8EB0/tmp/trim.E8CD7632-7C52-4EA4-A462-8C5131B214AA.MOV.exp.movUISaveVideoAtPathToSavedPhotosAlbum(ou