1.安装摄像头和软件。
1.1 启动archlinux,我直接root.
#>lsusb
Bus 001 Device 003: ID 046d:0819 Logitech, Inc. Webcam C210
#>dmesg
[ 21.676007] Linux video capture interface: v2.00
[ 21.706879] uvcvideo: Found UVC 1.00 device <unnamed> (046d:0819)
[ 21.758583] input: UVC Camera (046d:0819) as /devices/platform/orion-ehci.0/usb1/1-1/1-1.3/1-1.3:1.0/input/input
[ 21.758907] USB Video Class driver (1.1.1)