<?xml version="1.0" encoding="UTF-8"?>
<tsduck>
  <_descriptors>

    <SVC_extension_descriptor
        width="uint16, required"
        height="uint16, required"
        frame_rate="uint16, required"
        average_bitrate="uint16, required"
        maximum_bitrate="uint16, required"
        dependency_id="uint3, required"
        quality_id_start="uint4, required"
        quality_id_end="uint4, required"
        temporal_id_start="uint3, required"
        temporal_id_end="uint3, required"
        no_sei_nal_unit_present="bool, required"/>

  </_descriptors>
</tsduck>
