ios截取视频缩略图

Boyce_Xiao

于 2012-04-24 14:29:52 发布

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分类专栏： IOS 文章标签： ios image path

本文链接：https://blog.youkuaiyun.com/speeding2010/article/details/7493636

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        AVURLAsset *asset = [[AVURLAsset alloc] initWithURL:path 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);
        _videoPreview.previewImageView.image = thumb;
        _videoPreview.videoURL = path;