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@veye_xumm 已解决；还有一个问题：请问摄像头在工作的时候，是不是临时把视频的信息放置在内存中；我怎么可以读取到视频信息的内存地址？
@xsw 第一个图是运行命令后的截图；第二个是硬件的链接图
@veye_xumm
@veye_xumm 就是按这个页面里面执行的，前面那些都执行了，还是报错
