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有人用BBB做过USB视频采集吗?



我现在用V4L2在PC上可以正常驱动USB摄像头,相同的代码在BBB里运行老是卡在了取视频数据那里,ioctl (g_sVideo.fd,VIDIOC_DQBUF, &buf); //取出一帧 。

其它摄像头信息显示都正常,不知什么原因。

另外BBB(A8)这块板子如果同时采集两路1080p的数据并通过网络发送出去会不会很够呛?