Activation webcam octoprint

cd mjpg-streamer
cd mjpg-streamer-experimental
./mjpg_streamer -i "input_uvc.so $camera_usb_options" -o "output_http.so -w ./www" where camera_usb_options="-n -r SVGA -f 5 -q 50 uvcdynctrl -c -v "

uvcdynctrl -s 'Brightness' 150 'Contrast' 35 'Saturation' 50 'Sharpness' 'Focus, Auto'