SOURCE

(function(h, b) {
  alert(111)
    var g = h.baidu && h.baidu.mobads && h.baidu.mobads.Sdk || parent && parent.baidu && parent.baidu.mobads && parent.baidu.mobads.Sdk;
    if (g && g.playVideo) {
        var f = b.getElementsByTagName("video");
        for (var e = 0,
        a = f.length; e < a; e++) {
            var d = f[e];
            var c = d.getAttribute("src");
            if (!c) {
                continue
            }
          g.playVideo(c);
        }
    }
} (window, document));

<video src="http://grochtdreis.de/fuer-jsfiddle/video/sintel_trailer-480.mp4" type="video/mp4" autobuffer controls autoplay>
</video>