IOS录像文件预览

+(UIImage *)getImage:(NSString *)videoURL

{

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

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

        gen.appliesPreferredTrackTransform = YES;

        CMTime time = CMTimeMakeWithSeconds(0.0, 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;

}