Request new feature for Video Speed Controller 1- set desired speed e.g. x3 2- select starting speed e.g. x1.5 3- % of video passed until desired speed is reach e.g. 60% The video begins at x1.5 and increases gradually as a function of time based on the duration of the video until it reaches 60% therein it will reaches x3 speed. e.g. at 60% of elapsed video duration it will be playbackRate = x1.5 + (x3 - x1.5) * (currentTime / duration) / 0.6

いい感じです。でもクリック後に出る文字が文字化けしてます。(windows環境)