Video enhancement script, supports all H5 video websites, such as: Bilibili, Douyin, Tencent Video, Youku, iQiyi, Xigua Video, YouTube, Weibo Video, Zhihu Video, Sohu Video, NetEase Open Course, Baidu network disk, Alibaba cloud disk, ted, instagram, twitter, etc. Full shortcut key control, support: double-speed playback/accelerated playback, video screenshots, picture-in-picture, full-screen web pages, adjusting brightness, saturation, contrast
有没有大佬知道，这个加速视频。原理是啥。
比如视频一秒三十帧，两倍速之后，是把两秒的帧数集中到一秒，变成一秒六十帧。还是一秒当中15帧删了，后面一秒一样删掉15帧，加起来一秒不变30帧。