==== ISDB_access_control_descriptor

Defined by ARIB in <<ARIB-B10J>>.

[source,xml]
----
<ISDB_access_control_descriptor
    CA_system_id="uint16, required"
    transmission_type="uint3, default=7"
    PID="uint13, required">

  <private_data>
    Hexadecimal content
  </private_data>

</ISDB_access_control_descriptor>
----
