deb http://ftp.fr.debian.org/debian/ buster main contrib non-free
deb http://ftp.fr.debian.org/debian/ stretch main contrib non-free
#deb-src http://ftp.fr.debian.org/debian/ stretch main contrib non-free

deb http://security.debian.org/debian-security stretch/updates main contrib non-free
#deb-src http://security.debian.org/debian-security stretch/updates main contrib non-free

deb http://www.deb-multimedia.org stretch main non-free