获取视频缩略图

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

{

    NSDictionary *opts = [NSDictionary dictionaryWithObject:[NSNumber numberWithBool:NO] forKey:AVURLAssetPreferPreciseDurationAndTimingKey];

    



    NSURL *url = [[[NSURL alloc] initFileURLWithPath:videoURL] autorelease];

    

    AVURLAsset *urlAsset = [AVURLAsset URLAssetWithURL:url options:opts];

    

    AVAssetImageGenerator *generator = [AVAssetImageGenerator assetImageGeneratorWithAsset:urlAsset];



    generator.appliesPreferredTrackTransform = YES;

    generator.maximumSize = CGSizeMake(600, 450);

    

    NSError *error = nil;

    CGImageRef img = [generator copyCGImageAtTime:CMTimeMake(10, 10) actualTime:NULL error:&error];

    UIImage *image = [UIImage imageWithCGImage: img];

    

    return image;

}

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