Webcam Test
From wikidb
Webcam Test Programs
luvcview and guvcview are display programs that can be used to test at webcam. uvccapture will save an image to the current directory. For example:
eepp@tabor:~$ luvcview luvcview 0.2.6 SDL information: Video driver: x11 A window manager is available Device information: Device path: /dev/video0 Stream settings: Frame format: MJPG Frame size: 640x480 Frame rate: 30 fps