Created
October 6, 2011 04:06
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HTML5, JavaScript to load a .pls file to <audio> tag. Uses error and ended events to move to the next item
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<! DOCTYPE html> | |
<html> | |
<head> | |
<title>PLS Processor</title> | |
<!-- needed for IE9 to ensure it treats page as HTML5 properly --> | |
<meta http-equiv="X-UA-Compatible" content="IE=9" > | |
</head> | |
<body> | |
<p>Audio PLS processor<p> | |
<audio id="audio" controls="controls"></audio > | |
<p id="title">item title</p> | |
<script> | |
// Make XHR request for the pls file | |
if (window.XMLHttpRequest) { | |
// code for IE7 +, Firefox, Chrome, Opera, Safari | |
xhr = new XMLHttpRequest(); | |
} else { | |
// code for IE6, IE5 | |
xhr = new ActiveXObject("Microsoft.XMLHTTP"); | |
} | |
xhr.open("GET", "http://{url}/{file}.pls", false); | |
xhr.send(); | |
xhrDoc = xhr.responseText; | |
var pls = {}; | |
// split into lines | |
pls.Entries = xhrDoc.split("\n"); | |
// Entry 0 is [playlist] | |
// Entry 1 is NumberOfEntries=n | |
pls.Count = pls.Entries[1].split("=")[1]; | |
// Entry 2,3,4 = File#=,Title#=,Length#= | |
// repeat from 1 to NumberOfEntries | |
pls.Items = []; | |
pls.curItem = 0; | |
pls.listOk = true; | |
for (var i = 0; i < pls.Count; i ++ ) { | |
pls.Items.push( { | |
file: pls.Entries[i + 2].split("=")[1], | |
title: pls.Entries[i + 3].split("=")[1], | |
length: pls.Entries[i + 4].split("=")[1] | |
}); | |
} | |
// get the audio element | |
pls.audio = document.getElementById("audio"); | |
// hook onEnded and onError events to jump to next PLS item | |
pls.audio.addEventListener("error", audioEvent, false); | |
pls.audio.addEventListener("ended", audioEvent, false); | |
// load audio tag with first source | |
pls.listOk = loadPLS(pls.curItem ++ ); | |
function audioEvent(event) { | |
// if the listOk is still true (ie not at the end of the list) | |
// step to the next item either on ended or error | |
if (pls.listOk) { | |
pls.listOk = loadPLS(pls.curItem ++ ); | |
} else { | |
// action to indicate end of stream | |
} | |
} | |
function loadPLS(whichItem) { | |
if (whichItem >= pls.Count) { | |
return false; | |
} else { | |
pls.audio.autoplay = false; | |
pls.audio.src = pls.Items[whichItem].file; | |
var title = document.getElementById("title"); | |
title.innerText = pls.Items[whichItem].title + "[" + pls.curItem + "/" + pls.Items[whichItem].file + "]"; | |
return true; | |
} | |
} | |
</script> | |
</body> | |
</html> |
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Help me my URL is : http://radiostereo103.no-ip.biz:8000/listen.pls