Write a FreeSpaceBox to an IsoBoxWriteView.
FreeSpaceBox
IsoBoxWriteView
ISO/IEC 14496-12:2012 - 8.1.2 Free Space Box
The FreeSpaceBox fields to write
An IsoBoxWriteView containing the encoded box
Write a
FreeSpaceBoxto anIsoBoxWriteView.ISO/IEC 14496-12:2012 - 8.1.2 Free Space Box