测试视频

以下视频皆收集于网络。

http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4
http://www.w3school.com.cn/example/html5/mov_bbb.mp4
https://www.w3schools.com/html/movie.mp4
http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4
https://media.w3.org/2010/05/sintel/trailer.mp4

以下是来自时光网的视频，点击链接进去是403，可以复制到地址栏进入：

http://vfx.mtime.cn/Video/2019/02/04/mp4/190204084208765161.mp4
http://vfx.mtime.cn/Video/2019/03/21/mp4/190321153853126488.mp4
http://vfx.mtime.cn/Video/2019/03/19/mp4/190319222227698228.mp4
http://vfx.mtime.cn/Video/2019/03/19/mp4/190319212559089721.mp4
http://vfx.mtime.cn/Video/2019/03/18/mp4/190318231014076505.mp4
http://vfx.mtime.cn/Video/2019/03/18/mp4/190318214226685784.mp4
http://vfx.mtime.cn/Video/2019/03/19/mp4/190319104618910544.mp4
http://vfx.mtime.cn/Video/2019/03/19/mp4/190319125415785691.mp4
http://vfx.mtime.cn/Video/2019/03/17/mp4/190317150237409904.mp4
http://vfx.mtime.cn/Video/2019/03/14/mp4/190314223540373995.mp4
http://vfx.mtime.cn/Video/2019/03/14/mp4/190314102306987969.mp4
http://vfx.mtime.cn/Video/2019/03/13/mp4/190313094901111138.mp4
http://vfx.mtime.cn/Video/2019/03/12/mp4/190312143927981075.mp4
http://vfx.mtime.cn/Video/2019/03/12/mp4/190312083533415853.mp4
http://vfx.mtime.cn/Video/2019/03/09/mp4/190309153658147087.mp4
https://vfx.mtime.cn/Video/2019/01/15/mp4/190115161611510728_480.mp4