Video frame interception

#import "ViewController.h" #import <AVFoundation/AVFoundation.h> @interface Viewcontroller () @property (weak, nonatomic) Iboutlet Uiimageview *imageview; @property (nonatomic, Strong) Avassetimagegenerator * generatorl;@    End@implementation viewcontroller-(void) viewdidload {[Super viewdidload]; Do any additional setup after loading the view, typically from a nib.} -(void) Touchesbegan: (Nsset<uitouch *> *) touches withevent: (uievent *) event{//Get resource path nsurl * url = [[NSBU]            Ndle mainbundle]urlforresource:@ "Alizee_la_isla_bonita copy. mp4" Withextension:nil];            Package Avasset * set = [Avasset Assetwithurl:url];        Create Video Interceptor Avassetimagegenerator * generator = [Avassetimagegenerator assetimagegeneratorwithasset:set];            Self.generatorl = generator;    Cmtime time = Cmtimemake (10, 1);            Nsvalue * value = [Nsvalue valuewithcmtime:time]; Capturing video (inaccurate interception of this method) [generator Generatecgimagesasynchronouslyfortimes:@[value] Completionhandler:^ (Cmtime requestedtime, cgimageref _nullable image, Cmtime actualtime, Avassetimagegeneratorresult                result, Nserror * _nullable error) {UIImage * images = [UIImage imagewithcgimage:image];                                                        Dispatch_sync (Dispatch_get_main_queue (), ^{self.imageView.image = images;                            });            }]; }

　　

Video frame interception