IOS录像文件预览

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

{

       AVURLAsset *asset = [[AVURLAssetalloc] initWithURL:[NSURLfileURLWithPath:videoURL] options:nil];

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

        gen.appliesPreferredTrackTransform =YES;

       CMTime time = CMTimeMakeWithSeconds(0.0,600);

       NSError *error = nil;

       CMTime actualTime;

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

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

       CGImageRelease(image);

       return thumb;

}