gst-launch-0.10 v4l2src device=/dev/video0 \
  ! "video/x-raw-yuv,width=640,height=480,framerate=5/1" \
  ! videorate \
  ! "video/x-raw-yuv,framerate=1/6" \
  ! clockoverlay time-format="%d.%m.%Y %H:%M:%S" \
  ! jpegenc \
  ! multifilesink location="./images/image-%06d.jpg"