我正在使用此代码捕获图像#pragmamark-imagecapture//Createandconfigureacapturesessionandstartitrunning-(void)setupCaptureSession{NSError*error=nil;//CreatethesessionAVCaptureSession*session=[[AVCaptureSessionalloc]init];//Configurethesessiontoproducelowerresolutionvideoframes,ifyour//processingalgorithmcancop