Specifies the mp4 file to which the operation applies.
trackId
Specifies the track to which the operation applies.
editId
Specifies the edit segment to which the operation applies. Caveat: the first edit has id 1 not 0.
duration
Species the new value for the duration in track time scale units.
RETURN VALUES
Upon success, true (1). Upon an error, false (0).
DESCRIPTION
MP4SetTrackEditDuration sets the duration of the specified edit segment from the specified track in the track time scale units. See MP4ConvertToTrackDuration() for how to map this value from another time scale.