sudo su
dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm
dnf install gstreamer1-{ffmpeg,libav,plugins-{good,ugly,bad{,-free,-nonfree}}} --setopt=strict=0
nf -y install --nogpgcheck http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
dnf -y install gstreamer-ffmpeg gstreamer-plugins-base gstreamer-plugins-good gstreamer-plugins-good-extras gstreamer-plugins-bad gstreamer-plugins-ugly gstreamer-devel gstreamer-plugins-base-devel gstreamer1-libav gstreamer1-plugins-bad-freeworld gstreamer1-plugins-ugly
dnf -y install libdvdread libdvdnav lsdvd
sudo dnf -y install git autoconf automake libtool kaffeine
# Download and install libdvdcss
mkdir /path/to/anywhere
cd /path/to/anywhere
git clone https://code.videolan.org/videolan/libdvdcss.git
cd libdvdcss
autoreconf -i
./configure
make
sudo make install
Then start Kaffeine by pressing the Windows button on your keyboard, and searching for "Kaffeine". The DVD should start.