MP4AddODTrack - Add a object descriptor (OD) track
hFile Specifies the mp4 file to which the operation applies.
Upon success, the track id of the new track. Upon an error,
MP4AddODTrack adds an object descriptor (aka OD) track to the mp4 file.
MP4WriteSample() can then be used to add the desired OD commands to the
track. The burden is currently on the calling application to understand
Those wishing to have a simple audio/video scene without understanding
OD may wish to use MP4MakeIsmaCompliant() to create the minimal OD and