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<html>
<head>
<title>Lame.js Upload Example</title>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet"/>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/>
</head>
<body style="padding-top: 30px">
<div class="container">
<div class="row">
<div class="col-sm-8 col-sm-offset-2 text-center">
<div>
<h3 class="text-center" id="timer"></h3>
</div>
<button class="btn btn-primary" id="startBtn">
<i class="glyhphicon glyhphicon-record"></i> Start
</button>
<button class="btn btn-primary" id="stopBtn" disabled="true">
<i class="glyhphicon glyhphicon-stop"></i> Stop
</button>
<ol class="convertedList"></ol>
</div>
</div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="mic.js"></script>
<script>
//on document ready
$(function () {
var recorder = new MP3Recorder({
bitRate: 128
}), timer;
$('#startBtn').on('click', function (e) {
e.preventDefault();
var btn = $(this);
recorder.start(function () {
//start timer,
var seconds = 0, updateTimer = function(){
$('#timer').text(seconds < 10 ? '0' + seconds : seconds);
};
timer = setInterval(function () {
seconds++;
updateTimer();
}, 1000);
updateTimer();
//disable start button
btn.attr('disabled', true);
$('#stopBtn').removeAttr('disabled');
}, function () {
alert('We could not make use of your microphone at the moment');
});
});
$('#stopBtn').on('click', function (e) {
e.preventDefault();
recorder.stop();
$(this).attr('disabled', true);
$('#startBtn').removeAttr('disabled');
//get MP3
clearInterval(timer);
recorder.getMp3Blob(function (blob) {
//var blobUrl = window.URL.createObjectURL(blob);
blobToDataURL(blob, function(url){
$('ol.convertedList')
.append('<li><strong> recording_' +
(new Date()) +
'_.mp3</strong><br/>' +
'<audio controls src="' + url + '"></audio>' +
'</li>');
});
}, function (e) {
alert('We could not retrieve your message');
console.log(e);
});
});
function blobToDataURL(blob, callback) {
var a = new FileReader();
a.onload = function (e) {
callback(e.target.result);
}
a.readAsDataURL(blob);
}
});
</script>
</body>
</html>