共有四种解决方案:
1. fswebcam
可以定时截图。
Webcam capture using fswebcam
There are two video capture API's for Linux - Video4Linux (V4L) and Video4Linux2 (V4L2). As you may have guessed from the name, V4L2 is the second version of V4L.
Why do you care?? Well, because it can be terribly confusing if you want to set up a simple webcam in Linux. Some cameras only support V4L or V4L2 and some apps only support V4L or V4L2.
Wanna test your camera? Install a nice little app called