#pragma mark -- 获取视频截图

- (UIImage *)getThumbnailImage:(NSString *)videoURL{

    AVURLAsset *asset = [[AVURLAsset alloc] initWithURL:[NSURL fileURLWithPath:videoURL] options:nil];

   

    AVAssetImageGenerator *gen = [[AVAssetImageGenerator alloc] initWithAsset:asset];

   

    gen.appliesPreferredTrackTransform = YES;//按正确方向对视频进行截图,关键点是将AVAssetImageGrnerator对象的appliesPreferredTrackTransform属性设置为YES。

   

    CMTime time = CMTimeMakeWithSeconds(5, 600);

   

    NSError *error = nil;

   

    CMTime actualTime;

   

    CGImageRef image = [gen copyCGImageAtTime:time actualTime:&actualTime error:&error];

   

    UIImage *thumb = [[UIImage alloc] initWithCGImage:image];

   

    CGImageRelease(image);

   

    return thumb; 

}