获取Direct Youtube下载链接

Question

如何手动提取Youtube下载链接？

e.g：

我有这个链接：htps：//www.youtube.com/watch？v = fLexgOxsZu0

我希望得到这个：http://r9---sn-aigllnez.googlevideo.com/videoplayback?mm=31&sparams=id%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Cmm%2Cms%2Cmv%2Cnh%2Cratebypass%2Csource%2Cupn%2Cexpire&mt=1411895530&id=o-AKzM1sExgAGdv0QN2N34ecTX7Vlwq-aee6o_sdj6Bg-k&expire=1411917209&upn=Et19mkCyt_U&fexp=927622%2C930666%2C931983%2C932404%2C934030%2C946023%2C947209%2C951912%2C952302%2C953801&nh=IgpwcjAyLmxocjE0KgkxMjcuMC4wLjE&key=yt5&ip=2a02%3A2498%3Ae000%3A85%3A225%3A90ff%3Afe67%3A97dc&itag=18&source=youtube&sver=3&mv=m&ratebypass=yes&initcwndbps=1296250&ms=au&ipbits=0&signature=7E977EA99135A34A09B780745FB4D4E7654160B2.F6234488D50CEFFFF741A7F30D0001034DD67D6D&title=Bruno+Mars+-+The+Lazy+Song+%5BOFFICIAL+VIDEO%5D

如何获得第二个链接？

上面有什么工作的下载链接以及我在下面提取的内容是什么？

非常感谢advace

抱歉我的英文不好

Answer 1

这将为您提供URL编码形式的所有下载链接。

http://www.youtube.com/get_video_info?video_id=VIDEO ID GOES HERE