what(): couldn't open /dev/video0

ienglgge

what(): couldn't open /dev/video0 [Copy link]

ubuntu 16.04,ros needs to install the corresponding package

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When running rosrun uvc_camera uvc_camera_node on PC, terminate called after throwing an instance of 'std::runtime_error' appears what(): couldn't open /dev/video0 Aborted (core dumped) Check the device list. There is no video0. Virtual machine - removable device finds the corresponding camera and connects. Device list. Video0 appears. Run the previous content and no error is reported.

zxopenljx

Thanks for sharing