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switchbeat.html
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switchbeat.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>SwitchBeat</title>
<link href='http://fonts.googleapis.com/css?family=Lato|Great+Vibes' rel='stylesheet' type='text/css'>
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Expires" content="-1">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="css/bootstrap.css" rel="stylesheet">
<link href="css/font-awesome.css" rel="stylesheet">
<link href="css/font-mfizz.css" rel="stylesheet">
<link href="css/custom.css" rel="stylesheet">
<link href="css/bootstrap-responsive.css" rel="stylesheet">
<!--[if lt IE 9]>
<script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
</head>
<body>
<script src="javascript/jquery.min.js"></script>
<script type="text/javascript" src='javascript/remix.js'></script>
<script src="javascript/bootstrap.min.js"></script>
<script src="javascript/raphael-min.js"></script>
<script src="javascript/Chart.js"></script>
<script type="text/javascript">
// Remix with any track.
// To build your own back-end, take a look at remix-server:
//switchbeat
var apiKey = 'AGZLSWIPISDC1OMHC';
var trackID;
var trackURL;
var driver;
var diffrence =0;
var paper;
var blocks = [];
var blocks1 = [];
var selectedTile;
var maxTimbre =0;
var minTimbre =0;
var maxTimbre1 =0;
var minTimbre1 =0;
var remixer;
var player;
var track;
var track1;
var track2;
var trid1;
var trid2;
var remixed;
var theCodeMirror;
var wavesurfer;
var remixedWaveSurfer;
var fs;
var myBarChartL;
var myBarChartP;
var myBarChartT;
var test =0;
var xhr;
var ctxProg;
var ProgChart;
var ctxProg1;
var ProgChart1;
var MashUpStarted =0;
var firstUpload =0;
var secondUpload=0;
var myPieChart;
var gradCounter = 1;
var timbreW =30;
var pitchW =40;
var loudStartW = 10;
var loudMaxW =10;
var durationW =100;
var confidenceW =10;
var midh =0;
var diffMean = 0;
var diffStd = 0;
var diffArray = [];
var firstTrackIndex = [];
var secondTrackIndex = [];
var blockDiffList = [[]];
var jumpedNum =0;
var isPlaying =0;
var isStopped = 0;
function createChart()
{
var ctxL = document.getElementById("myChartL").getContext("2d");
var ctxP = document.getElementById("myChartP").getContext("2d");
var ctxT = document.getElementById("myChartT").getContext("2d");
var ctxTrack = document.getElementById("myChartTrack").getContext("2d");
var dataL = {
labels: ["Loudness"],
datasets: [
{
label: "Music dataset",
fillColor: "#5e2d79",
strokeColor: "#5e2d79",
highlightFill: "#8942b1",
highlightStroke: "#8942b1",
data: [0]
}
]
};
var dataP = {
labels: ["Pitch"],
datasets: [
{
label: "Music dataset",
fillColor: "#0080ff",
strokeColor: "#0080ff",
highlightFill: "#4da6ff",
highlightStroke: "#4da6ff",
data: [0]
}
]
};
var dataT = {
labels: ["Timbre"],
datasets: [
{
label: "Music dataset",
fillColor: "#006868",
strokeColor: "#006868",
highlightFill: "#009b9b",
highlightStroke: "#009b9b",
data: [0]
}
]
};
var dataTrack = [
{
value: 1,
color:"#4fffd3",
highlight: "#69ffd9",
label: "Track 1"
},
{
value: 0,
color: "#7a4eff",
highlight: "#8d68ff",
label: "Track 2"
}
];
myBarChartL = new Chart(ctxL).Bar(dataL, {scaleBeginAtZero : false, scaleShowGridLines : false,showScale: false, animationSteps: 30, showTooltips: false, animationEasing: "easeOutQuad", barValueSpacing : 0 , segmentStrokeColor : "#fdf6e3"});
myBarChartP = new Chart(ctxP).Bar(dataP, {scaleBeginAtZero : false, scaleShowGridLines : false,showScale: false, animationSteps: 30, showTooltips: false,animationEasing: "easeOutQuad", barValueSpacing : 0, segmentStrokeColor : "#fdf6e3"});
myBarChartT = new Chart(ctxT).Bar(dataT, {scaleBeginAtZero : false, scaleShowGridLines : false,showScale: false, animationSteps: 30, showTooltips: false,animationEasing: "easeOutQuad",barValueSpacing : 0 , segmentStrokeColor : "#fdf6e3"});
myPieChart = new Chart(ctxTrack).Pie(dataTrack,{animationEasing: "linear", segmentStrokeColor : "#fdf6e3", animationSteps: 10});
}
function createBlocks(trackNum){
if(trackNum ==1)
{
var cblocks =[];
var beats = track1.analysis.beats;
for(var i =0; i< beats.length; i++)
{
cblocks.push(createBlock(i,beats[i],1));
}
return cblocks;
}
else if(trackNum ==2)
{
var cblocks =[];
var beats = track2.analysis.beats;
for(var i =0; i< beats.length; i++)
{
cblocks.push(createBlock(i,beats[i],2));
}
return cblocks;
}
}
function playClicked(){
start();
}
var blocktype = {
normalColor:"#5f9",
move: function(x,y) {
this.rect.attr({x:x, y:y});
this.x =x;
this.y =y;
},
play:function(){
player.play(0,this.beat);
},
position: function() {
return {
x: this.x,
y: this.y
}
},
playStyle: function() {
this.rect.attr("fill", "#FF9");
},
normal: function() {
this.rect.attr("fill", this.normalColor);
},
select: function(){
this.rect.attr("fill", "#114141");
},
init:function() {
var that = this;
}
}
function setnormvalues(trackNum){
if(trackNum ==1)
{
var segmentlist = track1.analysis.segments;
var timbrelist;
var timbreSum;
var timbreMean;
for(var i =0; i<segmentlist.length; i++)
{
if(segmentlist[i])
{
timbrelist = segmentlist[i].timbre;
}
timbreSum =0;
for(var j=0; j<timbrelist.length; j++)
{
timbreSum = timbreSum + timbrelist[j];
}
timbreMean = timbreSum/timbrelist.length;
if(timbreMean<minTimbre)
{
minTimbre = timbreMean;
}
if(timbreMean>maxTimbre)
{
maxTimbre = timbreMean;
}
}
}
else if(trackNum ==2)
{
var segmentlist = track2.analysis.segments;
var timbrelist;
var timbreSum;
var timbreMean;
for(var i =0; i<segmentlist.length; i++)
{
if(segmentlist[i])
{
timbrelist = segmentlist[i].timbre;
}
timbreSum =0;
for(var j=0; j<timbrelist.length; j++)
{
timbreSum = timbreSum + timbrelist[j];
}
timbreMean = timbreSum/timbrelist.length;
if(timbreMean<minTimbre)
{
minTimbre1 = timbreMean;
}
if(timbreMean>maxTimbre)
{
maxTimbre1 = timbreMean;
}
}
}
}
function getNormColor(segment){
var sum = 0;
var timbrelist = segment.timbre;
for(var i =0; i<timbrelist.length;i++)
{
sum = sum + timbrelist[i];
}
var mean = sum/(timbrelist.length);
var norm = (mean - minTimbre) / (maxTimbre - minTimbre);
norm = norm * 16776960;
return norm;
}
function convertToHex(norm)
{
var normAsInt = Math.round(norm);
var normStr = Number(normAsInt).toString(16);
return "#" + normStr;
}
function getBlockColor(block,inputedbeat)
{
var color =0;
var meanLoudness =0;
var meanPitches = 0;
var segmentPitch;
var pitchList;
var segmentlist = inputedbeat.overlappingSegments;
for(var i=0; i<segmentlist.length; i++)
{
color = color + getNormColor(segmentlist[i]);
meanLoudness = meanLoudness +segmentlist[i].loudness_max;
pitchList = segmentlist[i].pitches;
segmentPitch =0;
for(var a=0; a<pitchList.length; a++)
{
segmentPitch = segmentPitch + pitchList[a];
}
meanPitches = meanPitches + (segmentPitch/pitchList.length);
}
color = color/segmentlist.length;
meanLoudness = meanLoudness/segmentlist.length;
meanPitches = meanPitches/segmentlist.length;
if(block)
{
block.timbre =color;
block.pitch = meanPitches;
block.loudness = meanLoudness;
}
return convertToHex(color);
}
function drawLine(block1,block2)
{
var block1num = 0;
var block2num = 0;
var line;
while(block1.Line[block1num])
{
block1num = block1num +1;
}
while(block2.Line[block2num])
{
block2num = block2num +1;
}
var gradId = "grad"+gradCounter;
gradCounter = gradCounter +1;
paper.defineLinearGradient(gradId, [{
"id": "s1",
"offset": "0",
"style": "stop-color:"+block2.normalColor+";stop-opacity:1;"},
{
"id": "s2",
"offset": "1",
"style": "stop-color:"+block1.normalColor+";stop-opacity:1;"}]);
var block1x = block1.x +(1/2)*block1.width;
var block1y = block1.y +(1/2)*block1.height;
var block2x = block2.x +(1/2)*block2.width;
var block2y = block2.y + (1/2)*block2.height;
var referencew = 0;
var referenceh = 0;
if(block1x<=block2x)
{
referencew = Math.floor(Math.random()*(block2x - block1x)) + block1x;
}
else
{
referencew = Math.floor(Math.random()*(block1x - block2x)) + block2x;
}
if(block1y<=block2y)
{
referenceh = Math.floor(Math.random()*(block2y - block1y)) + block1y;
}
else
{
referenceh = Math.floor(Math.random()*(block1y - block2y)) + block2y;
}
line = paper.path(['M',block1x,block1y, 'Q',referencew ,referenceh, block2x,block2y]);
line.strokeLinearGradient (gradId, 2);
block1.Line[block1num] = line;
block1.otherIndex[block1num] = block2.number;
block1.otherLineIndex[block1num] = block2num;
block1.LineDefId [block1num] = gradId;
block2.Line[block2num] = line;
block2.otherIndex[block2num] = block1.number;
block2.otherLineIndex[block2num] = block1num;
block2.LineDefId[block2num] = gradId;
}
function createBlock(number,beat,trackNum)
{
var labeled = false;
var block = Object.create(blocktype);
block.number = number;
block.trackNum = trackNum;
block.width = 11;
block.height = 11;
block.timbre =0;
block.loudness =0;
block.pitch = 0;
block.Line = [];
block.LineDefId = [];
block.otherIndex = [];
block.otherLineIndex = [];
block.normalColor = getBlockColor(block,beat);
block.rect = paper.rect(0,0,block.width, block.height);
block.rect.attr("stroke", "#349");
block.rect.block = block;
block.normal();
block.beat = beat;
block.init();
return block;
}
function Mashup(tracknum){
if(tracknum == 1)
{
waitForTrack2();
}
else if(tracknum == 2)
{
paper = Raphael("tiles",6, 4);
setnormvalues(1);
setnormvalues(2);
createChart();
blocks = createBlocks(1);
blocks1 = createBlocks(2);
Layout();
calculateLinks();
}
$('#beginRemix').removeAttr('disabled');
}
function waitForTrack2()
{
setTimeout(function () {
if(!track2)
{
waitForTrack2();
}
else if(track2.status != 'ok')
{
waitForTrack2();
}
else
{
Mashup(2);
return 0;
}
}, 100);
}
var margin = 15;
var top = 100;
var tilesPerGroup = 4;
var tspace = 3;
var tilesPerRow = 0;
var spaceInbetween = 200;
function Layout()
{
var num = blocks.length;
var num1 = blocks1.length;
if(num>0 && num1>0)
{
var w = $(window).width();
var h = $(window).height()-top;
var rw = w - margin *2;
var rh = h - margin *2;
var tilesPerRow = Math.floor(rw/14);
h = (Math.ceil(num/tilesPerRow) * 16) + 2*tspace + spaceInbetween + (Math.ceil(num1/tilesPerRow) * 16) + 20;
paper.setSize(w,h);
var xstart =0;
var ystart =0;
for(var i=0; i<blocks.length; i++)
{
var block = blocks[i];
if(i % tilesPerRow == 0)
{
xstart = 0;
ystart = ystart + block.height +tspace;
}
block.move(xstart,ystart);
xstart = xstart + block.width + tspace;
}
$(".MusicStatus").css("position","relative");
var middleHeight = (h-(ystart + block.height + spaceInbetween/2)) * -1;
middleHeight = middleHeight - 37.5;
midH = middleHeight;
middleHeight = middleHeight +"px";
var middleWidth = (-1 * w/2)+200 + "px";
midW = (-1*w/2)+200;
$(".MusicStatus").css({top: middleHeight, right: middleWidth});
ystart = ystart + block.height + spaceInbetween;
xstart = 0;
for(var i=0; i<blocks1.length; i++)
{
var block = blocks1[i];
if(i % tilesPerRow == 0)
{
xstart = 0;
ystart = ystart + block.height +tspace;
}
block.move(xstart,ystart);
xstart = xstart + block.width + tspace;
}
}
}
function start()
{
if(isPlaying == 0)
{
isPlaying = 1;
isStopped =0;
play(1,-1,0,0);
}
}
function play(track,num,pTrack,pNum)
{
if(isStopped!=1)
{
if(track == 1 && num>=blocks.length && sessionStorage.isInfinite ==1)
{
play(2,0,1,blocks.length-1);
}
else if(track ==2 && num>=blocks1.length && sessionStorage.isInfinite ==1)
{
play(1,0,2,blocks1.length-1);
}
else
{
if(track == 1)
{
if(num != -1)
{
var delay = blocks[num].beat.duration;
player.queue(blocks[num].beat);
}
else
{
var delay = blocks[0].beat.duration;
player.queue(blocks[0].beat);
}
setTimeout(function () {
if( num !=-1)
{
if(pTrack == 1)
{
blocks[pNum].normal();
var pdefIdList = blocks[pNum].LineDefId;
var plineList = blocks[pNum].Line;
}
else
{
blocks1[pNum].normal();
var pdefIdList = blocks1[pNum].LineDefId;
var plineList = blocks1[pNum].Line;
}
var str;
for(var i=0; i< plineList.length;i++)
{
plineList[i].strokeLinearGradient (pdefIdList[i], 2);
}
}
else
{
num = 0;
}
blocks[num].select();
var lineList = blocks[num].Line;
var nextTrack = -1;
var nextNum = -1;
var randomNum =0;
for(var i =0; i < lineList.length; i++)
{
lineList[i].attr({stroke:"#114141"});
randomNum = Math.random();
if(randomNum < (sessionStorage.pJump/100))
{
if(blocks[num].otherLineIndex[i] != pNum && jumpedNum != 1)
{
nextTrack = 2;
nextNum = blocks[num].otherIndex[i];
}
}
}
myBarChartL.datasets[0].bars[0].value = 100 + blocks[num].loudness;
myBarChartP.datasets[0].bars[0].value = blocks[num].pitch;
myBarChartT.datasets[0].bars[0].value = blocks[num].timbre;
myPieChart.segments[0].value = myPieChart.segments[0].value +1;
myPieChart.update();
myBarChartL.update();
myBarChartP.update();
myBarChartT.update();
document.getElementById("BlockNum").textContent = blocks[num].number;
document.getElementById("TrackNum").textContent = 1;
if(nextTrack == -1 && nextNum == -1)
{
jumpedNum = 0;
play(track,num+1,track,num);
}
else
{
jumpedNum = 1;
play(nextTrack,nextNum,track,num);
}
}, 1000*delay);
}
else if(track == 2)
{
if(num != -1)
{
var delay = blocks1[num].beat.duration;
player.queue(blocks1[num].beat);
}
else
{
var delay = blocks1[0].beat.duration;
player.queue(blocks1[0].beat);
}
setTimeout(function () {
if( num !=-1)
{
if(pTrack == 1)
{
blocks[pNum].normal();
var pdefIdList = blocks[pNum].LineDefId;
var plineList = blocks[pNum].Line;
}
else
{
blocks1[pNum].normal();
var pdefIdList = blocks1[pNum].LineDefId;
var plineList = blocks1[pNum].Line;
}
var str;
for(var i=0; i< plineList.length;i++)
{
plineList[i].strokeLinearGradient (pdefIdList[i], 2);
}
}
else
{
num = 0;
}
blocks1[num].select();
var lineList = blocks1[num].Line;
var nextTrack = -1;
var nextNum = -1;
var randomNum =0;
for(var i =0; i < lineList.length; i++)
{
lineList[i].attr("stroke", "#114141");
randomNum = Math.random();
if(randomNum < (sessionStorage.pJump/100))
{
if(blocks1[num].otherIndex[i] != pNum && jumpedNum != 1)
{
nextTrack = 1;
nextNum = blocks1[num].otherIndex[i];
}
}
}
myBarChartL.datasets[0].bars[0].value = 100 + blocks1[num].loudness;
myBarChartP.datasets[0].bars[0].value = blocks1[num].pitch;
myBarChartT.datasets[0].bars[0].value = blocks1[num].timbre;
myPieChart.segments[1].value = myPieChart.segments[1].value +1;
myPieChart.update();
myBarChartL.update();
myBarChartP.update();
myBarChartT.update();
document.getElementById("BlockNum").textContent = blocks1[num].number;
document.getElementById("TrackNum").textContent = 2;
if(nextTrack == -1 && nextNum == -1)
{
jumpedNum = 0;
play(track,num+1,track,num);
}
else
{ jumpedNum =1;
play(nextTrack,nextNum,track,num);
}
}, 1000*delay);
}
}
}
else
{
if(pTrack == 1)
{
blocks[pNum].normal();
var pdefIdList = blocks[pNum].LineDefId;
var plineList = blocks[pNum].Line;
for(var i=0; i< plineList.length;i++)
{
plineList[i].strokeLinearGradient (pdefIdList[i], 2);
}
}
else
{
blocks1[pNum].normal();
var pdefIdList = blocks1[pNum].LineDefId;
var plineList = blocks1[pNum].Line;
for(var i=0; i< plineList.length;i++)
{
plineList[i].strokeLinearGradient (pdefIdList[i], 2);
}
}
}
}
function stop()
{
isStopped =1;
isPlaying =0;
player.stop();
}
// Get an estimation of analysis time
function fetchQinfo() {
var url = 'http://remix.echonest.com/Uploader/qinfo?callback=?'
$.getJSON(url, {}, function(data) {
$("#info").text("Estimated analysis time: " + Math.floor(data.estimated_wait * 1.2) + " seconds.");
if(Math.floor(data.estimated_wait * 1.2)>20)