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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>YTDL</title>
<script>
function retrieve_link(){
var link=document.getElementById("inputlink").value;
var xhr=new XMLHttpRequest();
xhr.addEventListener("readystatechange",function(){
if(xhr.readyState<4){
show_output(["(waiting to send)","(request opened)","(headers received)","(loading)"][xhr.readyState]);
}
if(xhr.readyState!=4)return;
var response;
if(xhr.responseText==null)response="(null)";
else response=xhr.responseText;
show_output(response,/^https?:\/\//.test(response));
});
xhr.open("GET","/ytdl/"+encodeURIComponent(link));
xhr.send();
}
function show_output(text,link){
var output=document.getElementById("output");
if(output.firstChild)output.removeChild(output.firstChild);
var e;
if(link){
e=document.createElement("a");
e.href=text;
e.appendChild(document.createTextNode(text));
} else e=document.createTextNode(text);
output.appendChild(e);
}
</script>
</head>
<body>
<h1>YTDL</h1>
<p>This page uses the <code>youtube-dl</code> utility to provide a download link for a given youtube video. It just selects whatever format <code>youtube-dl</code> considers "best"; this is normally video+audio, in the highest quality provided by YouTube.
Enter a link or a video id below:</p>
<input type="text" id="inputlink" size="100"><br>
<input type="button" value="Retrieve link" onclick="retrieve_link()"><br>
<pre id="output" style="width:100%;word-wrap:break-word;"></pre>
</body>
</html>
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