View Source Membrane.MP4.FileTypeBox (Membrane MP4 plugin v0.16.2)
A module containing a function for assembling an MPEG-4 file type box.
The file type box (
ftyp atom) is a top-level box that contains specifications
and compatibility information that media players can use to correctly interpret
an MPEG-4 container.
For more information about the file type box, refer to ISO/IEC 14496-12.