Using Encrypted Media Extensions at %S on an insecure (i.e. non-HTTPS) context is deprecated and will soon be removed. You should consider switching to a secure origin such as HTTPS.
Mae defnyddio Encrypted Media Extensions yn %S ar gyd-destun anniogel (nid HTTPS) yn anghymeradwy a bydd yn cael ei dynnu cyn bo hir. Dylech ystyried newid i wraidd diogel fel HTTPS.