Calling navigator.requestMediaKeySystemAccess() (at %S) passing a candidate MediaKeySystemConfiguration containing audioCapabilities or videoCapabilities without a contentType with a “codecs” string is deprecated and will soon become unsupported.
Llamar a navigator.requestMediaKeySystemAccess() (en %S) pasando a un candidato MediaKeySystemConfiguration que contienen audioCapabilities o videoCapabilities sin un contentType con una cadena de "codecs" se considera obsoleto y pronto no será respaldado.