==== Program Association Table (PAT)

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

[source,xml]
----
<PAT version="uint5, default=0"
     current="bool, default=true"
     transport_stream_id="uint16, required"
     network_PID="uint13, optional">

  <!-- One per service -->
  <service service_id="uint16, required" program_map_PID="uint13, required"/>

</PAT>
----
