==== SVC_extension_descriptor

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

[source,xml]
----
<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"/>
----
