[add] id3 parser in JS

This commit is contained in:
Knah Tsaeb 2015-09-25 11:50:02 +02:00
parent 5a6ba37989
commit 62304d40b1
4 changed files with 323 additions and 233 deletions

25
id3-minimiezd.js Normal file
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@ -0,0 +1,25 @@
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@ -1,29 +1,42 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="initial-scale=1.0, user-scalable=yes" />
<title>Music Player</title>
<link href="/icons/sound2.png" type="image/png" rel="shortcut icon">
<link href="player.css" type="text/css" rel="stylesheet"/>
<script src="playlist.php" type="application/javascript"></script>
<script src="player.js" type="application/javascript"></script>
</head>
<body onload="init();">
<div id="player">
<img id="cover"/>
<div id="infos">
<h4 id="title"></h4>
<div id="controls">
<input id="back" type="button" value="|&#x25c0;&#x25c0;"/>
<input id="next" type="button" value="&#9654;&#9654;|"/><br />
<label for="">Shuffle:</label> <input id="shuffle" type="checkbox"/>
<label for="">Repeat: </label><input id="repeat" type="checkbox"/>
</div>
<p id="error"></p>
</div>
<audio id="audio" controls>This is your browser speaking, I don't support HTML5 cause I am too old to learn new tricks.</audio>
</div><br/>
<div id="playlist"></div>
</body>
<head>
<meta charset="UTF-8"/>
<meta name="viewport" content="initial-scale=1.0, user-scalable=yes" />
<title>Music Player</title>
<link href="/icons/sound2.png" type="image/png" rel="shortcut icon">
<link href="player.css" type="text/css" rel="stylesheet"/>
<script src="playlist.php" type="application/javascript"></script>
<script src="player.js" type="application/javascript"></script>
<script src="id3-minimiezd.js"></script>
</head>
<body onload="init();">
<div id="player">
<img id="cover"/>
<div id="infos">
<h4 id="title"></h4>
<p>
<span id="artist"></span>
</p>
<p>
<span id="album"></span>
</p>
<div id="controls">
<input id="back" type="button" value="|&#x25c0;&#x25c0;"/>
<input id="next" type="button" value="&#9654;&#9654;|"/>
<br />
<label for="">Shuffle:</label>
<input id="shuffle" type="checkbox"/>
<label for="">Repeat: </label>
<input id="repeat" type="checkbox"/>
</div>
<p id="error"></p>
</div>
<audio id="audio" controls>
This is your browser speaking, I don't support HTML5 cause I am too old to learn new tricks.
</audio>
</div>
<br/>
<div id="playlist"></div>
</body>
</html>

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@ -12,6 +12,7 @@ body {
font-style: normal;
text-align: center;
}
body > div {
border: 1px solid white;
border-radius: 5px;
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}
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align-self: auto;
flex: 1 1 auto;
flex: 1 1 0;
order: 0;
}
#player #title {

463
player.js
View File

@ -1,215 +1,266 @@
"use strict";
var music=Array(),
track,audio,pic,title,shuffle,repeat,err,playlist,offset;
function getId(id){
return document.getElementById(id);
var music = Array(),
track,
audio,
pic,
title,
shuffle,
repeat,
err,
playlist,
offset;
function getId(id) {
return document.getElementById(id);
}
function randInt(min,max){
var rand=Math.round(Math.random()*(max-min+1)+min);
if(rand==max+1){
return min;
}
return rand;
function randInt(min, max) {
var rand = Math.round(Math.random() * (max - min + 1) + min);
if (rand == max + 1) {
return min;
}
return rand;
}
function sendEvt(element,event){
var evt = document.createEvent("HTMLEvents");
evt.initEvent(event, true, true );
return !element.dispatchEvent(evt);
function sendEvt(element, event) {
var evt = document.createEvent("HTMLEvents");
evt.initEvent(event, true, true);
return !element.dispatchEvent(evt);
}
function extToMime(ext){
switch(ext){
case "mp3":return "audio/mpeg";
case "ogg":return "audio/ogg";
case "aac":return "audio/aac";
case "wav":return "audio/wave";
case "webm":return "audio/webm";
default: "audio/"+ext;
}
function extToMime(ext) {
switch(ext) {
case "mp3":
return "audio/mpeg";
case "ogg":
return "audio/ogg";
case "aac":
return "audio/aac";
case "wav":
return "audio/wave";
case "webm":
return "audio/webm";
default:
"audio/" + ext;
}
}
function wait4It(fn){// Dirty trick
try{
fn();
}
catch(e){
setTimeout(function(){
wait4It(fn);
},7);
}
function wait4It(fn) {// Dirty trick
try {
fn();
} catch(e) {
setTimeout(function() {
wait4It(fn);
}, 7);
}
}
function populateList(arr,e,dir){
var li,i,x,cover;
for(i in arr){
if(i!="/"){
li=document.createElement('li');
li.className="folder";
li.textContent=i;
e.appendChild(li);
li.addEventListener('click',function(event){
event.stopPropagation();
if(this.className.indexOf("open")==-1){
this.className="open "+this.className;
}
else{
this.className=this.className.substr(5);
}
},false);
li.appendChild(document.createElement('ul'))
populateList(arr[i],li.childNodes[1],dir+i+'/');
}
else{
cover=false;
for(x in arr[i]){
if(arr[i][x].slice(0,arr[i][x].lastIndexOf('.')).toLowerCase()=="cover"){
cover=arr[i][x];
arr[i].splice(x,1);
break;
}
}
for(x in arr[i]){
li=document.createElement('li');
li.id=music.length;
li.className="song";
li.textContent=arr[i][x].substr(0,arr[i][x].lastIndexOf('.'));
li.setAttribute('file',dir+arr[i][x]);
li.setAttribute('cover',cover?dir+cover:'/icons/sound2.png');
li.addEventListener('click',function(event){
event.stopPropagation();
var file=this.getAttribute('file'),
cover=this.getAttribute('cover'),
s=document.createElement('source'),
mime=extToMime(file.substr(-3)),
last=music[track];
if(last.className.indexOf('playing')>-1){
while(last.id!='playlist'){
last.className=last.className.slice(0,-8);
last=last.parentNode.parentNode;
}
}
pic.src=cover;
title.textContent=this.textContent;
if(!audio.canPlayType(mime)){
err.textContent="This browser does not support "+mime.substr(mime.indexOf('/')+1).toUpperCase()+" audio."
err.className='open';
}
else{
err.removeAttribute('class');
}
s.type=mime;
s.src=file;
audio.appendChild(s);
if(audio.childNodes.length>1){
audio.removeChild(audio.childNodes[0]);
}
audio.load();
audio.play();
track=parseInt(this.id);
last=music[track];
while(last.id!='playlist'){
last.className+=' playing';
last=last.parentNode.parentNode;
}
},false);
e.appendChild(li);
music.push(li);
}
}
}
function populateList(arr, e, dir) {
var li,
i,
x,
cover;
for (i in arr) {
if (i != "/") {
li = document.createElement('li');
li.className = "folder";
li.textContent = i;
e.appendChild(li);
li.addEventListener('click', function(event) {
event.stopPropagation();
if (this.className.indexOf("open") == -1) {
this.className = "open " + this.className;
} else {
this.className = this.className.substr(5);
}
}, false);
li.appendChild(document.createElement('ul'))
populateList(arr[i], li.childNodes[1], dir + i + '/');
} else {
cover = false;
for (x in arr[i]) {
if (arr[i][x].slice(0, arr[i][x].lastIndexOf('.')).toLowerCase() == "cover") {
cover = arr[i][x];
arr[i].splice(x, 1);
break;
}
}
for (x in arr[i]) {
li = document.createElement('li');
li.id = music.length;
li.className = "song";
li.textContent = arr[i][x].substr(0, arr[i][x].lastIndexOf('.'));
li.setAttribute('file', dir + arr[i][x]);
li.setAttribute('cover', cover ? dir + cover : '/icons/sound2.png');
li.addEventListener('click', function(event) {
event.stopPropagation();
var file = this.getAttribute('file'),
cover = this.getAttribute('cover'),
s = document.createElement('source'),
mime = extToMime(file.substr(-3)),
last = music[track];
if (last.className.indexOf('playing') > -1) {
while (last.id != 'playlist') {
last.className = last.className.slice(0, -8);
last = last.parentNode.parentNode;
}
}
pic.src = cover;
title.textContent = this.textContent;
if (!audio.canPlayType(mime)) {
err.textContent = "This browser does not support " + mime.substr(mime.indexOf('/') + 1).toUpperCase() + " audio."
err.className = 'open';
} else {
err.removeAttribute('class');
}
s.type = mime;
s.src = file;
audio.appendChild(s);
if (audio.childNodes.length > 1) {
audio.removeChild(audio.childNodes[0]);
}
audio.load();
audio.play();
track = parseInt(this.id);
if (mime == 'audio/mpeg' || mime == 'audio/aac') {
ID3.loadTags(file, function() {
var tags = ID3.getAllTags(file);
document.getElementById("artist").textContent = "Artist : " + tags.artist || "";
document.getElementById("album").textContent = "Album : " + tags.album || "";
});
}
last = music[track];
while (last.id != 'playlist') {
last.className += ' playing';
last = last.parentNode.parentNode;
}
}, false);
e.appendChild(li);
music.push(li);
}
}
}
}
function init(){
var ul=document.createElement('ul'),
config=localStorage.getItem("config");
audio=getId('audio');
title=getId('title');
pic=getId('cover');
shuffle=getId('shuffle');
repeat=getId('repeat');
err=getId('error');
offset=getId('player').offsetHeight+32;
playlist=getId('playlist');
playlist.appendChild(ul);
sendEvt(window,'resize');
populateList(library['music'],ul,library['path']);
config=config!=null?JSON.parse(config):{// Default player settings
"volume":.25,
"track":0,
"state":false,
"time":0,
"shuffle":true,
"repeat":false
};
audio.addEventListener("ended",function(){
if(repeat.checked){
audio.currentTime=0;
return audio.play();
}
var next=track;
if(shuffle.checked){
next=randInt(0,music.length-1);
}
else if(track+1 < music.length){
next++;
}
else{
next=0;
}
sendEvt(music[next],'click');
},false);
getId('next').addEventListener("click",function(){
if(track==music.length-1){
track=-1;
}
sendEvt(music[track+1],'click');
},false);
getId('back').addEventListener("click",function(){
if(track==0){
track=music.length;
}
sendEvt(music[track-1],'click');
},false);
shuffle.checked=config["shuffle"];
repeat.checked=config["repeat"];
track=config["track"];
if(config['time']==0&&track==0){
sendEvt(audio,'ended');
}
else{
sendEvt(music[track],'click');
audio.pause();
wait4It(function(){
audio.currentTime=config["time"];
if(config["state"]===false){
audio.play();
}
});
}
audio.volume=config["volume"];
window.onunload=function(){
if( isNaN(track) || isNaN(audio.currentTime) || isNaN(audio.volume) ){
return;
}
localStorage.setItem("config",JSON.stringify({
"volume":audio.volume,
"track":track,
"state":audio.paused===true,
"time":audio.currentTime,
"shuffle":shuffle.checked===true,
"repeat":repeat.checked===true
}));
}
document.addEventListener('keyup',function(event){// keyboard shortcuts
switch(event.which){
case 32:audio[audio.paused?'play':'pause']();return;// spacebar
case 107:audio.volume=audio.volume+.1>1?1:audio.volume+.1;return;// + (num pad)
case 109:audio.volume=audio.volume-.1<0?0:audio.volume-.1;return;// - (num pad)
case 37:getId('back').click();return;// left arrow
case 39:getId('next').click();return;// right arrow
case 38:audio.currentTime+=5;return;// up arrow
case 40:audio.currentTime-=5;return;// down arrow
case 83:shuffle.checked=!shuffle.checked;return;// s
case 82:repeat.checked=!repeat.checked;return;// r
}
},false);
function init() {
var ul = document.createElement('ul'),
config = localStorage.getItem("config");
audio = getId('audio');
title = getId('title');
pic = getId('cover');
shuffle = getId('shuffle');
repeat = getId('repeat');
err = getId('error');
offset = getId('player').offsetHeight + 32;
playlist = getId('playlist');
playlist.appendChild(ul);
sendEvt(window, 'resize');
populateList(library['music'], ul, library['path']);
config = config != null ? JSON.parse(config) : {// Default player settings
"volume" : .25,
"track" : 0,
"state" : false,
"time" : 0,
"shuffle" : true,
"repeat" : false
};
audio.addEventListener("ended", function() {
if (repeat.checked) {
audio.currentTime = 0;
return audio.play();
}
var next = track;
if (shuffle.checked) {
next = randInt(0, music.length - 1);
} else if (track + 1 < music.length) {
next++;
} else {
next = 0;
}
sendEvt(music[next], 'click');
}, false);
getId('next').addEventListener("click", function() {
if (track == music.length - 1) {
track = -1;
}
sendEvt(music[track + 1], 'click');
}, false);
getId('back').addEventListener("click", function() {
if (track == 0) {
track = music.length;
}
sendEvt(music[track - 1], 'click');
}, false);
shuffle.checked = config["shuffle"];
repeat.checked = config["repeat"];
track = config["track"];
if (config['time'] == 0 && track == 0) {
sendEvt(audio, 'ended');
} else {
sendEvt(music[track], 'click');
audio.pause();
wait4It(function() {
audio.currentTime = config["time"];
if (config["state"] === false) {
audio.play();
}
});
}
audio.volume = config["volume"];
window.onunload = function() {
if (isNaN(track) || isNaN(audio.currentTime) || isNaN(audio.volume)) {
return;
}
localStorage.setItem("config", JSON.stringify({
"volume" : audio.volume,
"track" : track,
"state" : audio.paused === true,
"time" : audio.currentTime,
"shuffle" : shuffle.checked === true,
"repeat" : repeat.checked === true
}));
}
document.addEventListener('keyup', function(event) {// keyboard shortcuts
switch(event.which) {
case 32:
audio[audio.paused?'play':'pause']();
return;
// spacebar
case 107:
audio.volume = audio.volume + .1 > 1 ? 1 : audio.volume + .1;
return;
// + (num pad)
case 109:
audio.volume = audio.volume - .1 < 0 ? 0 : audio.volume - .1;
return;
// - (num pad)
case 37:
getId('back').click();
return;
// left arrow
case 39:
getId('next').click();
return;
// right arrow
case 38:
audio.currentTime += 5;
return;
// up arrow
case 40:
audio.currentTime -= 5;
return;
// down arrow
case 83:
shuffle.checked = !shuffle.checked;
return;
// s
case 82:
repeat.checked = !repeat.checked;
return;
// r
}
}, false);
}
window.onresize=function(){
playlist.style.maxHeight=window.innerHeight-offset+'px';
window.onresize = function() {
playlist.style.maxHeight = window.innerHeight - offset + 'px';
}