视频测试地址（在线MP4文件）

网上搜罗来的用来测试：

《驯龙高手》 http://vfx.mtime.cn/Video/2019/02/04/mp4/190204084208765161.mp4

《紧急救援》http://vfx.mtime.cn/Video/2019/03/21/mp4/190321153853126488.mp4

《玩具总动员》http://vfx.mtime.cn/Video/2019/03/19/mp4/190319222227698228.mp4

《叶问4》先行预告甄子丹过招美 http://vfx.mtime.cn/Video/2019/03/19/mp4/190319212559089721.mp4

《预告刘德华对决古天》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

http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4

http://vjs.zencdn.net/v/oceans.mp4

https://media.w3.org/2010/05/sintel/trailer.mp4

https://media.w3.org/2010/05/sintel/trailer.mp4