to test if the webcamera is attached to the VM and showing video in the guest OS (Host is the laptop OS) ie the OS in VirtualBox,
webcam in VirtualBox OS > Open terminal and follow the following steps
> gstreamer-properties > # if you have not installed then install > apt-get install gstreamer-properties > gstreamer-properties > # this opens up the GUI select the Video tab and test.. you should get the video from the webcam
If there is no video, check what’s wrong.. detailed in the blog VirtualBox: using macbook iSight or FaceTime HD Camera [SOLVED]
