==== metadata_pointer_descriptor

Defined by MPEG in <<ISO-13818-1>>.

[source,xml]
----
<metadata_pointer_descriptor
    metadata_application_format="uint16, required"
    metadata_application_format_identifier="uint32, optional"
    metadata_format="uint8, required"
    metadata_format_identifier="uint32, optional"
    metadata_service_id="uint8, required"
    MPEG_carriage_flags="uint2, required"
    program_number="uint16, optional"
    transport_stream_location="uint16, optional"
    transport_stream_id="uint16, optional">

  <metadata_locator>
    Hexadecimal content
  </metadata_locator>

  <private_data>
    Hexadecimal content
  </private_data>

</metadata_pointer_descriptor>
----
