==== metadata_descriptor

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

[source,xml]
----
<metadata_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"
    decoder_config_flags="uint3, required"
    decoder_config_metadata_service_id="uint8, optional">

  <service_identification>
    Hexadecimal content
  </service_identification>

  <decoder_config>
    Hexadecimal content
  </decoder_config>

  <dec_config_identification>
    Hexadecimal content
  </dec_config_identification>

  <reserved_data>
    Hexadecimal content
  </reserved_data>

  <private_data>
    Hexadecimal content
  </private_data>

</metadata_descriptor>
----
