MP4CloneTrack - Make a clone of a specified track
MP4FileHandle dstFile = MP4_INVALID_FILE_HANDLE,
MP4TrackId dstHintTrackReferenceTrack = MP4_INVALID_TRACK_ID
Specifies the mp4 file of the source track of the operation.
Specifies the track id of the track to be cloned.
Specifies the mp4 file of the new, cloned track. If the value is
MP4_INVALID_FILE_HANDLE, the new track is created in the same
file as the source track.
When cloning a hint track, this parameter specifies the track id
of the reference track in the destination file.
Upon success, the track id of the new track. Upon an error,
MP4CloneTrack creates a new track to an mp4 file that is a copy of an
existing track with respect to the track media type, and other control
Note this function does not copy the media samples of the source track
to the new track. If you want to do that use MP4CopyTrack() instead.