View Source Membrane.MP4.MovieBox.TrackBox (Membrane MP4 plugin v0.16.2)
A module containing a set of utilities for assembling an MPEG-4 track box.
The track box (
trak atom) describes a single track of a presentation. This description includes
information like its timescale, duration, volume, media-specific data (media handlers, sample
descriptions) as well as a sample table, which allows media players to find and interpret
track's data in the media data box.
For more information about the track box, refer to ISO/IEC 14496-12.