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我正在使用 GPUImage,并且想从视频源 [GPUImageVideoCamera] 中提取几帧并保存为图像以在单击按钮时进行查看。
做这个的最好方式是什么?
这就是您如何从您正在使用的过滤器中获取当前帧的方法。
UIImage *currentVideoFrame = [过滤 imageFromCurrentlyProcessedOutput];