==== service_location_descriptor

Defined by ATSC in <<ATSC-A65>>.

[source,xml]
----
<service_location_descriptor PCR_PID="uint13, optional">
  <!-- One per component -->
  <component stream_type="uint8, required"
             elementary_PID="uint13, required"
             ISO_639_language_code="char3, optional"/>
</service_location_descriptor>
----
