==== VVC_video_descriptor

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

[source,xml]
----
<VVC_video_descriptor
    profile_idc="uint7, required"
    tier_flag="bool, required"
    progressive_source_flag="bool, required"
    interlaced_source_flag="bool, required"
    non_packed_constraint_flag="bool, required"
    frame_only_constraint_flag="bool, required"
    level_idc="uint8, required"
    VVC_still_present_flag="bool, required"
    VVC_24hr_picture_present_flag="bool, required"
    HDR_WCG_idc="uint2, required"
    video_properties_tag="uint4, required"
    temporal_id_min="uint3, optional, specify both min and max or none"
    temporal_id_max="uint3, optional, specify both min and max or none">

  <sub_profile_idc value="uint32, required"/>

</VVC_video_descriptor>
----
