At 29.97fps starting at 0, if you seekForward 1 frame, the currentTime is 0.033377.
At 29.97fps starting at 0, is you .seekTo( {'SMPTE': '00:00:00:01'} ), the currentTime is 0.034.
A small discrepancy (.033377 vs .034), but curious. Can this be tightened up?