==== M4MuxBufferSize_descriptor

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

[source,xml]
----
<M4MuxBufferSize_descriptor>

  <!-- always required -->
  <DefaultM4MuxBufferDescriptor
      m4MuxChannel="uint8, required"
      FB_BufferSize="uint24, required"/>

  <!-- 0..n -->
  <M4MuxBufferDescriptor
      m4MuxChannel="uint8, required"
      FB_BufferSize="uint24, required"/>

</M4MuxBufferSize_descriptor>
----
