It's definitely there. I picked a video at random, and: <video class="video-stream" x-webkit-airplay="allow" data-youtube-id="iF83wwij828" poster="http://i2.ytimg.com/vi/iF83wwij828/hqdefault.jpg" src="http://v14.lscache3.c.youtube.com/videoplayback?sparams=id%2Cexpire%2Cip%2Cipbits%2Citag%2Cratebypass%2Coc%3AU0hQRVVRV19FSkNOMF9NS0FD&itag=43&ip=0.0.0.0&signature=60D26B708E92E1636CA3B34