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TED.js
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TED.js
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addKiller("TED", {
"canKill": function(data) {
return /https?:\/\/video\.ted\.com\/assets\/player\/swf/.test(data.src);
},
"process": function(data, callback) {
var flashvars = parseFlashVariables(data.params.flashvars);
var siteInfo;
if(/^https?:\/\/www\.ted\.com\/talks/.test(data.location)) {
url = data.location;
} else if(/^https?:\/\/embed\.ted\.com\/talks/.test(data.location)) {
url = data.location.replace("//embed", "//www");
siteInfo = {"name": "TED", "url": url};
} else {
var match = /adKeys=talk=([^;]*);/.exec(data.params.flashvars);
if(match) {
url = "http://www.ted.com/talks/" + match[1] + ".html";
siteInfo = {"name": "TED", "url": url};
} else return;
}
var xhr = new XMLHttpRequest();
xhr.open("GET", url, true);
xhr.addEventListener("load", function() {
var page = document.implementation.createHTMLDocument("");
page.documentElement.innerHTML = xhr.responseText;
var talkID = page.getElementById("no-flash-video-download").href;
talkID = /[^-.]*/.exec(talkID.substring(talkID.lastIndexOf("/") + 1))[0];
var xhr2 = new XMLHttpRequest();
xhr2.open("GET", "http://www.ted.com/download/links/slug/" + talkID + "/type/talks/ext/mp4", true);
xhr2.addEventListener("load", function() {
var xml = new DOMParser().parseFromString(("<root>" + xhr2.responseText + "</root>").replace(/&[^;]*;/g, ""), "text/xml");
var sources = [];
var audio = xml.getElementById("audio_downloads").getElementsByTagName("a");
var downloads = xml.getElementsByName("download_quality");
for(var i = downloads.length - 1; i >= 0; i--) {
var quality = downloads[i].dataset.name;
if(quality === "light") quality = "270p";
else if(quality === "regular") quality = "360p";
sources.push({"url": "http://download.ted.com/talks/" + talkID + downloads[i].getAttribute("value") + ".mp4", "format": quality + " MP4", "height": parseInt(quality), "isNative": true})
}
if(audio[0]) sources.push({"url": audio[0].getAttribute("href"), "format": "Audio MP3", "height": 0, "isNative": true, "isAudio": true});
callback({
"playlist": [{
"poster": page.querySelector("[rel=\"image_src\"]").href,
"title": page.getElementById("altHeadline").textContent,
"sources": sources,
"siteInfo": siteInfo
}]
});
}, false);
xhr2.send(null);
}, false);
xhr.send(null);
}
});