Исправьте в репозитории openh264 строки baseurl и gpgkey по примеру:
# tumbleweed
baseurl=http://ciscosucks.itrus.su/openh264/openSUSE_Tumbleweed
gpgkey=http://ciscosucks.itrus.su/openh264/openSUSE_Tumbleweed/repodata/repomd.xml.key
#leap
baseurl=http://ciscosucks.itrus.su/openh264/openSUSE_Leap_16
gpgkey=http://ciscosucks.itrus.su/openh264/openSUSE_Leap_16/repodata/repomd.xml.key