iOS获取视频封面 代码实现

//获取视频封面，本地视频，网络视频都可以用
- (UIImage*)thumbnailImageForVideo:(NSURL *)videoURL {

    AVURLAsset *asset = [[AVURLAsset alloc] initWithURL:videoURL options:nil];
    AVAssetImageGenerator *gen = [[AVAssetImageGenerator alloc]initWithAsset:asset];
    gen.appliesPreferredTrackTransform = YES;
    CMTime time = CMTimeMakeWithSeconds(2.0, 600);
    CMTime actualTime;
    CGImageRef image = [gen copyCGImageAtTime:time actualTime:&actualTime error:nil];
    UIImage *thumbImg = [[UIImage alloc] initWithCGImage:image];

    return thumbImg;

}

一个好用的图片浏览器支持图片和视频浏览：YBImageBrowser