Brighter video, thanks to video loopback and gstreamer

video-loopback

#!/bin/bash

MODULE=v4l2loopback

if grep -q $MODULE /proc/modules;
then
    echo $MODULE already loaded
else
    echo loading $MODULE
    sudo modprobe $MODULE
    echo $MODULE loaded
fi

gst-launch v4l2src device=/dev/video0 ! v4l2sink device=/dev/video1