FragmentHeader returns the header needed for the beginning of a MP4 segment file.

MovieHeader marshals an init.mp4 for the given tracks.

NewMovie creates a movie fragmenter from a stream.

NewTrack creates a fragmenter from the given stream codec.

MovieFragmenter breaks a stream into segments each containing both tracks from the original stream.

TrackFragmenter writes a single audio or video stream as a series of CMAF (fMP4) fragments.