==== auxiliary_video_stream_descriptor

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

[source,xml]
----
<auxiliary_video_stream_descriptor aux_video_codedstreamtype="uint8, required">

  <si_message payload_type="uint32, required">
    <generic_params
      aux_is_bottom_field="bool, optional"
      aux_is_interlaced="bool, optional"
      position_offset_h="uint8, required"
      position_offset_v="uint8, required"/>
    <depth_params
      kfar_numerator="uint8, required"
      knear_numerator="uint8, required"/>
    <parallax_params
      parallax_zero="uint16, required"
      parallax_scale="uint16, required"
      dref="uint16, required"
      wref="uint16, required"/>
    <reserved_si_message>
      Hexadecimal content
    </reserved_si_message>
  </si_message>

</auxiliary_video_stream_descriptor>
----
