javascript - 虎扑屏蔽youku，tudou广告是怎么实现的

求别骂，先。
我经常上虎扑，发现虎扑的youku,tudou的视频都米有广告，在用户点击视频的时候就去获取视频的实际地址，而跳过了广告。是怎么获取到视频地址的呢？
类似于下面的这种

http://static.youku.com/v1.0.0025/v/swf/qplayer.swf?videoids=xnzazody4nzq0&isautoplay=false&wintype=index&isshowrelatedvideo=false

http://js.tudouui.com/bin/player2/olc_8.swf?iid=192770114&swfPath=http://js.tudouui.com/bin/lingtong/SocialPlayer_97.swf&tvcCode=-1&tag=XBATTLE%2C%E4%B8%8A%E6%B5%B7%2C%E8%89%BE%E4%BC%A6%E5%87%BA%E5%93%81%2Chotdog%2C%E6%96%B9%E8%89%AF%E8%B6%85&title=%5B%E8%89%BE%E4%BC%A6%E5%87%BA%E5%93%81%5D%E4%B8%8A%E6%B5%B7XBattle%E5%90%8E%E5%8D%AB%E6%96%B9%E8%89%AF%E8%B6%85VS%E5%90%88%E8%82%A5%E6%8C%91%E6%88%98%E8%80%85%E5%8D%95%E6%8C%91%E4%B8%A4%E5%B1%80%E5%AE%98%E6%96%B9%E5%AE%8C%E6%95%B4%E6%97%A0%E5%88%A0%E5%87%8F%E7%89%88&mediaType=vi&totalTime=629000&hdType=3&hasPassword=0&nWidth=-1&isOriginal=0&channelId=15&nHeight=-1&banPublic=false&videoOwner=371637532&tict=3&channelId=15&cs=&k=XBATTLE|%E4%B8%8A%E6%B5%B7|%E8%89%BE%E4%BC%A6%E5%87%BA%E5%93%81|hotdog|%E6%96%B9%E8%89%AF%E8%B6%85&panelRecm=http://css.tudouui.com/bin/lingtong/PanelRecm_9.swz&panelDanmu=http://css.tudouui.com/bin/lingtong/PanelDanmu_4.swz&panelEnd=http://css.tudouui.com/bin/lingtong/PanelEnd_13.swz&pepper=http://css.tudouui.com/bin/binder/pepper_17.png&panelShare=http://css.tudouui.com/bin/lingtong/PanelShare_7.swz&panelCloud=http://css.tudouui.com/bin/lingtong/PanelCloud_8.swz&autoPlay=false&listType=0&rurl=http://bbs.hupu.com/9418436.html&autostart=false&snap_pic=http%3A%2F%2Fg3.tdimg.com%2F45a8f16527ed4d2d4a08f4096a7ed6e2%2Fw_2.jpg&code=qntWUXrD8G8&aopRate=0.001&p2pRate=0.95&adSourceId=81000&yjuid=1389935925428DFQ&yseid=null&yseidtimeout=null&yseidcount=1&uid=null&juid=018n7hlr5q22mc&vip=0

回复内容：

求别骂，先。
我经常上虎扑，发现虎扑的youku,tudou的视频都米有广告，在用户点击视频的时候就去获取视频的实际地址，而跳过了广告。是怎么获取到视频地址的呢？
类似于下面的这种

http://static.youku.com/v1.0.0025/v/swf/qplayer.swf?videoids=xnzazody4nzq0&isautoplay=false&wintype=index&isshowrelatedvideo=false

http://js.tudouui.com/bin/player2/olc_8.swf?iid=192770114&swfPath=http://js.tudouui.com/bin/lingtong/SocialPlayer_97.swf&tvcCode=-1&tag=XBATTLE%2C%E4%B8%8A%E6%B5%B7%2C%E8%89%BE%E4%BC%A6%E5%87%BA%E5%93%81%2Chotdog%2C%E6%96%B9%E8%89%AF%E8%B6%85&title=%5B%E8%89%BE%E4%BC%A6%E5%87%BA%E5%93%81%5D%E4%B8%8A%E6%B5%B7XBattle%E5%90%8E%E5%8D%AB%E6%96%B9%E8%89%AF%E8%B6%85VS%E5%90%88%E8%82%A5%E6%8C%91%E6%88%98%E8%80%85%E5%8D%95%E6%8C%91%E4%B8%A4%E5%B1%80%E5%AE%98%E6%96%B9%E5%AE%8C%E6%95%B4%E6%97%A0%E5%88%A0%E5%87%8F%E7%89%88&mediaType=vi&totalTime=629000&hdType=3&hasPassword=0&nWidth=-1&isOriginal=0&channelId=15&nHeight=-1&banPublic=false&videoOwner=371637532&tict=3&channelId=15&cs=&k=XBATTLE|%E4%B8%8A%E6%B5%B7|%E8%89%BE%E4%BC%A6%E5%87%BA%E5%93%81|hotdog|%E6%96%B9%E8%89%AF%E8%B6%85&panelRecm=http://css.tudouui.com/bin/lingtong/PanelRecm_9.swz&panelDanmu=http://css.tudouui.com/bin/lingtong/PanelDanmu_4.swz&panelEnd=http://css.tudouui.com/bin/lingtong/PanelEnd_13.swz&pepper=http://css.tudouui.com/bin/binder/pepper_17.png&panelShare=http://css.tudouui.com/bin/lingtong/PanelShare_7.swz&panelCloud=http://css.tudouui.com/bin/lingtong/PanelCloud_8.swz&autoPlay=false&listType=0&rurl=http://bbs.hupu.com/9418436.html&autostart=false&snap_pic=http%3A%2F%2Fg3.tdimg.com%2F45a8f16527ed4d2d4a08f4096a7ed6e2%2Fw_2.jpg&code=qntWUXrD8G8&aopRate=0.001&p2pRate=0.95&adSourceId=81000&yjuid=1389935925428DFQ&yseid=null&yseidtimeout=null&yseidcount=1&uid=null&juid=018n7hlr5q22mc&vip=0

现实很残酷，应该是付费的，而且价格并不便宜：

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http://open.youku.com/services/info?serid=1

好像还是有广告吧。