==== AVC_timing_and_HRD_descriptor

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

[source,xml]
----
<AVC_timing_and_HRD_descriptor
    hrd_management_valid="bool, required"
    N="uint32, optional"
    K="uint32, optional"
    num_units_in_tick="uint32, optional"
    fixed_frame_rate="bool, required"
    temporal_poc="bool, required"
    picture_to_display_conversion="bool, required"/>
----
