danmuku/src/api/speed.js

Display danmu (flying comments) on HTML5 video.

export default function(Danmuku) {
  Object.defineProperty(Danmuku.prototype, 'speed', {
    get: function() {
      return this._speed;
    },
    set: function(s) {
      if (typeof s !== 'number' ||
          isNaN(s) ||
          !isFinite(s) ||
          s <= 0) {
        return this._speed;
      }
      this._speed = s;
      if (this.width) {
        this.duration = this.width / s;
      }
      return s;
    }
  });
}