// ==UserScript==
// @name           SCPD
// @namespace      hawflakes
// @description    Finds the wmp stream address.
// @include        https://myvideosu.stanford.edu/player/*
// ==/UserScript==

// /html/body/div/div[13]/div/object/param


var link = findXPathNode("//*[@id=\"WMPlayer\"]");
findXPathNode("//*[@id=\"shadow_under_banner\"]").innerHTML = "<a id=\"SCPD\" href=\""+link.data+"\">"+link.data+"</a>";


function findXPathNode(xpath, start,doc)
{
	var result = (doc == null ? document : doc).evaluate(xpath,(start == null ? document : start), null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE ,null);
	return (result.snapshotLength > 0 ? result.snapshotItem(0) : null);
}

// ffmpeg -i output.avi -ar 44100 -vcodec copy -acodec mp2 output2.avi

//  mencoder mms://lang.stanford.edu/courses/bioe284a/070926/070926-bioe284a-300.wmv?MSWMExt=.asf -ovc copy -oac copy -o output.avi