videoView.js

_setCurrentTime: function(playerState, currentTimeHighPrecision, timestamp) {
  //  If the player is playing then currentTimeHighPrecision will be slightly out-of-sync due to the time it takes to request
  //  the information. So, subtract an offset of the time it took to receive the message.
  if (playerState === PlayerState.Playing) {
    var offset = performance.now() - timestamp;
    currentTimeHighPrecision -= offset * .001;
  }

  this.el.currentTime = currentTimeHighPrecision;
}