fspecii
220 lines
4.7 KiB
HTML
Executable File
220 lines
4.7 KiB
HTML
Executable File
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<script>window.update = function(){};</script>
|
|
<title>AudioMass - Frequency Analysis</title>
|
|
<style>
|
|
html,body{height:100%}
|
|
body{padding:0;margin:0;background:#111;position:relative;z-index:2;overflow:hidden;}
|
|
div{position:absolute;top:50%;left:0;right:0;z-index:1;margin-top:-18px;text-align:center;user-select:none;
|
|
font-size:28px;color:#191919;pointer-events:none;font-family:Arial}
|
|
#e, #d, #f{
|
|
cursor:pointer;
|
|
position: absolute;
|
|
top: 7px;
|
|
right: 7px;
|
|
display: block;
|
|
height: 20px;
|
|
z-index: 99999;
|
|
background: #eaeaea;
|
|
left:auto;
|
|
border-radius:4px;
|
|
font-family: sans-serif;
|
|
font-size: 9px;
|
|
width: 82px;
|
|
line-height: 20px;
|
|
padding: 0 6px;
|
|
text-align: center;
|
|
opacity:0.9;
|
|
user-select:none;
|
|
}
|
|
|
|
.b #e, .b #d{
|
|
top:12px;
|
|
}
|
|
|
|
.b #e, .b #f{
|
|
display:block;
|
|
}
|
|
|
|
#e{
|
|
right: 106px;
|
|
width: 10px;
|
|
line-height: 20px;
|
|
padding: 0px 6px;
|
|
text-align: center;
|
|
opacity: 0.9;
|
|
display:none;
|
|
}
|
|
|
|
#f{
|
|
left: 0;
|
|
right: 0;
|
|
top: 0;
|
|
padding: 0;
|
|
width: 100%;
|
|
line-height: 0;
|
|
border-radius: 0;
|
|
height: 4px;
|
|
background: #333;
|
|
display:none;
|
|
user-select:none;
|
|
-moz-user-select:none;
|
|
}
|
|
|
|
.c #f, #f:hover{
|
|
background:#3C3C3C;
|
|
}
|
|
|
|
</style>
|
|
<meta charset="utf-8" />
|
|
</head>
|
|
<body>
|
|
<canvas id="fr" width="600" height="188" style="width:100%;height:100%;display:block"></canvas>
|
|
<div>FREQUENCY ANALYSER</div>
|
|
|
|
<a id="d" onclick="dock()">DOCK INTERFACE</a>
|
|
<a id="e" onclick="remove()">X</a>
|
|
<a id="f" onmousedown="drag(event)"></a>
|
|
|
|
<script>
|
|
var d = document;
|
|
var w = window;
|
|
var iframe = location.href.indexOf('?iframe') === -1 ? 0 : 1;
|
|
var canvas = d.getElementById('fr');
|
|
var ctx = canvas.getContext('2d', {alpha:true, antialias:false});
|
|
|
|
w.remove = function (){};
|
|
if (iframe) {
|
|
d.body.className = 'b';
|
|
w.remove = function () {
|
|
w.parent.PKAudioEditor.ui.Dock ('RequestShowFreqAn', 'eq', [1, 1]);
|
|
};
|
|
};
|
|
|
|
w.drag = function ( e ) {
|
|
e.preventDefault ();
|
|
e.stopPropagation ();
|
|
|
|
w.parent.PKAudioEditor.ui.Dock ('RequestDragI', 'eq');
|
|
};
|
|
|
|
w.dock = function () {
|
|
if (!iframe)
|
|
{
|
|
if (!w.opener || !w.opener.PKAudioEditor) {
|
|
return ;
|
|
}
|
|
|
|
w.opener.PKAudioEditor.ui.Dock ('RequestShowFreqAn', 'eq', [1, 1]);
|
|
w.close && w.close ();
|
|
}
|
|
else
|
|
{
|
|
var frm = w.parent.document.getElementById ('pk_fr' + 'eq');
|
|
var t = 1;
|
|
|
|
if (frm && frm.getBoundingClientRect) {
|
|
var rect = frm.getBoundingClientRect();
|
|
|
|
t = [(w.parent.screenLeft + rect.left + 100)||0, (w.parent.screenTop + rect.top + 25)||0];
|
|
}
|
|
|
|
w.parent.PKAudioEditor.ui.Dock ('RequestShowFreqAn', 'eq', [t, 0]);
|
|
}
|
|
};
|
|
|
|
setTimeout(function () {
|
|
if (!iframe)
|
|
{
|
|
if (!w.opener || !w.opener.PKAudioEditor) return ;
|
|
}
|
|
|
|
var WIDTH = w.innerWidth, HEIGHT = w.innerHeight;
|
|
|
|
if (canvas.width != WIDTH)
|
|
{
|
|
canvas.width = WIDTH;
|
|
canvas.height = HEIGHT;
|
|
}
|
|
|
|
var bufferLength = 240;
|
|
var value_changed = false;
|
|
ctx.clearRect (0, 0, WIDTH, HEIGHT);
|
|
|
|
function draw( similarity ) {
|
|
|
|
var WIDTH = window.innerWidth, HEIGHT = window.innerHeight;
|
|
|
|
if (canvas.width != WIDTH || canvas.height != HEIGHT)
|
|
{
|
|
canvas.width = WIDTH;
|
|
canvas.height = HEIGHT;
|
|
}
|
|
|
|
ctx.fillStyle = 'rgb(0, 0, 0)';
|
|
ctx.fillRect(0, 0, WIDTH, HEIGHT);
|
|
|
|
var barWidth = (WIDTH / bufferLength);
|
|
var barHeight;
|
|
var x = 0;
|
|
|
|
for(var i = 0; i < bufferLength; i += 1) {
|
|
barHeight = similarity[i * 2]; // ? similarity[i] : 0;
|
|
|
|
// bar height normalize with 255
|
|
var newheight = ((barHeight / 256) * HEIGHT) >> 0;
|
|
|
|
ctx.fillStyle = 'rgb(' + (barHeight + 100) + ',50,50)';
|
|
ctx.fillRect (x,HEIGHT - newheight, barWidth, newheight);
|
|
x += barWidth;// + 1;
|
|
}
|
|
|
|
value_changed = false;
|
|
};
|
|
w.draw = draw;
|
|
|
|
w.onunload = function () {
|
|
w.destroy && w.destroy ( iframe );
|
|
w.destroy = null;
|
|
};
|
|
|
|
w.update = function (freq_arr) {
|
|
if (!freq_arr)
|
|
ctx.clearRect (0, 0, WIDTH, HEIGHT);
|
|
else {
|
|
if (value_changed) return ;
|
|
value_changed = true;
|
|
|
|
window.requestAnimationFrame(function () {
|
|
draw (freq_arr);
|
|
});
|
|
}
|
|
};
|
|
|
|
var last_press = 0;
|
|
document.addEventListener ('keypress', function ( e ) {
|
|
if (e.keyCode !== 32) return ;
|
|
|
|
e.preventDefault ();
|
|
e.stopPropagation ();
|
|
|
|
if (e.timeStamp - last_press < 100) {
|
|
return ;
|
|
}
|
|
|
|
last_press = e.timeStamp;
|
|
|
|
if (!iframe) {
|
|
w.opener && w.opener.PKAudioEditor.ui.Dock ('RequestKeyDown', 32);
|
|
}
|
|
else {
|
|
w.parent && w.parent.PKAudioEditor.ui.Dock ('RequestKeyDown', 32);
|
|
}
|
|
});
|
|
|
|
}, 60);
|
|
</script>
|
|
|
|
</body>
|
|
</html> |