man avicap (Commandes) - v4l capturing and PVR tool
NAME
avicap - v4l capturing and PVR tool
SYNOPSIS
avicap [options] [ files | URLs ]
DESCRIPTION
avicap
avicap is a video4linux capturing and PVR tool.
avicap can shutdown/poweroff and poweron/reboot your computer again
look here for a full end user documentation on Avicap, its timertable/PVR mode and it's shutdown options:
http://avifile.sourceforge.net/
OPTIONS
-timer start in automatic timer (PVR) mode