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sequencer.php
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<?php
error_reporting(E_ALL);
$deleteFlag = false;
/****************************************************************************
MIDI CLASS CODE
****************************************************************************/
require('./classes/midi.class.php');
$midi = new Midi();
$instruments = $midi->getInstrumentList();
$drumset = $midi->getDrumset();
$drumkit = $midi->getDrumkitList();
$notes = $midi->getNoteList();
//---------------------------------------------
if (isset($_POST['player'])){
$player = $_POST['player'];
$autostart = isset($_POST['autostart']);
$loop = isset($_POST['loop']);
$visible = isset($_POST['visible']);
}else{
$player = 'default';
$autostart = true;
$loop = false;
$visible = true;
}
if (isset($_POST['publish'])){
#unset($_POST['plug']);
if (isset($_POST['showTxt'])) unset($_POST['showTxt']);
if (isset($_POST['showXml'])) unset($_POST['showXml']);
$str = serialize($_POST);
$mix = substr(md5(uniqid(rand())), 0, 10).'.mix';
file_put_contents('mix/'.$mix, $str);
$feedback = '<span style="color:#990000">your mix has been published as <a style="color:#990000" href="?mix='.$mix.'">'.$mix.'</a></span>';
}
if ($deleteFlag && isset($_GET['del'])){
$mixfile = 'mix/'.basename($_GET['del']);
#echo $mixfile;
unlink($mixfile);
}
if (isset($_GET['mix'])){
$mix = basename($_GET['mix']);
$str = file_get_contents('mix/'.$mix);
$_POST = unserialize($str);
$_POST['play'] = 1;
}
//DEFAULTS
$rep = isset($_POST['rep'])?$_POST['rep']:4;
$play = isset($_POST['play']);
//$loop = isset($_POST['noloop'])?0:1;
//$plug = isset($_POST['plug'])?$_POST['plug']:(isset($_GET['plug'])?$_GET['plug']:'qt');
//
$bpm = isset($_POST['bpm'])?$_POST['bpm']:150;
$aktiv=array();
$inst=array();
$note=array();
$vol=array();
for ($k=1;$k<=8;$k++){
$aktiv[$k] = isset($_POST["aktiv$k"])?1:0;
$inst[$k] = isset($_POST["inst$k"])?$_POST["inst$k"]:0;
$note[$k] = isset($_POST["note$k"])?$_POST["note$k"]:35;
$vol[$k] = isset($_POST["vol$k"])?$_POST["vol$k"]:127;
}
//if (!isset($p['last'])) $aktiv[1]=1; //first call
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<title>Sequencer</title>
<link rel="stylesheet" type="text/css" href="css/midi.css" />
</head>
<body>
<form action="<?=$_SERVER['PHP_SELF']?>" method="post" onsubmit="b=0;for(i=1;i<9;i++)b|=this['aktiv'+i].checked;if(b==0){alert('You have to activate at least one track!');return false};">
<div>
<?=@$feedback?>
<table border="0" cellpadding="2" cellspacing="0"><tr><td valign="top">
<table border="0" cellpadding="2" cellspacing="0">
<!-- DRUMS -->
<tr class="title"><td> </td><td colspan="7"><b>Drum tracks</b></td></tr>
<tr class="darkgrey"><td align="center">on</td><td>instrument</td><td>drum kit</td><td>vol</td><td colspan="4">pattern</td></tr>
<?php
for ($k=1;$k<=4;$k++){
?>
<tr>
<td class="mediumgrey"><input type="checkbox" name="aktiv<?=$k?>"<?=$aktiv[$k]?' checked="checked"':''?> /></td>
<td class="mediumgrey">
<select name="note<?=$k?>">
<?php
for ($i=0;$i<128;$i++)
if (isset($drumset[$i]))
echo '<option value="'.$i.'"'.($note[$k]==$i?' selected="selected"':'').'>0'.$i.' '.$drumset[$i]."</option>\n";
else{
$num = ($i<10)?"00$i":($i<100?"0$i":"$i");
echo '<option value="'.($i).'"'.($note[$k]==$i?' selected="selected"':'').'>'.$num."</option>\n";
};
?>
</select>
</td>
<td class="mediumgrey">
<select name="inst<?=$k?>">
<?php
foreach ($drumkit as $key=>$val) echo '<option value="'.$key.'"'.(($inst[$k]==$key)?' selected="selected"':'').">$val</option>\n";
?>
</select>
</td>
<td class="mediumgrey">
<select name="vol<?=$k?>">
<?php
for ($i=127;$i>=0;$i--)
echo "<option value=\"$i\"".($vol[$k]==$i?' selected="selected"':'').">$i</option>\n";
?>
</select>
</td>
<td class="mediumgrey">
<?php
for ($i=0;$i<16;$i++) {
echo "<input type=\"checkbox\" name=\"n$k$i\"".(isset($_POST["n$k$i"])?' checked="checked"':'')." />\n";
if ($i<15&&$i%4==3) echo '</td><td'.($i%8==3?' class="lightgrey"':' class="mediumgrey"').'>';
}
echo "\n</td>\n</tr>\n";
}
?>
<!--
</td>
</tr>
-->
<!-- INSTRUMENTS -->
<tr class="title"><td> </td><td colspan="7"><b>Instrument tracks</b></td></tr>
<tr class="darkgrey"><td align="center">on</td><td>instrument</td><td>note</td><td>vol</td><td colspan="4">pattern</td></tr>
<?php
for ($k=5;$k<=8;$k++){
?>
<tr>
<td class="mediumgrey"><input type="checkbox" name="aktiv<?=$k?>"<?=$aktiv[$k]?' checked="checked"':''?> /></td>
<td class="mediumgrey">
<select name="inst<?=$k?>">
<?php
for ($i=0;$i<128;$i++){
$num = ($i<10)?"00$i":($i<100?"0$i":"$i");
echo '<option value="'.($i).'"'.($inst[$k]==$i?' selected="selected"':'').'>'.$num.' '.$instruments[$i]."</option>\n";
}
?>
</select>
</td>
<td class="mediumgrey">
<select name="note<?=$k?>">
<?php
for ($i=0;$i<128;$i++)
echo '<option value="'.($i).'"'.($note[$k]==$i?' selected="selected"':'').'>'.$notes[$i]."</option>\n";
?>
</select>
</td>
<td class="mediumgrey">
<select name="vol<?=$k?>">
<?php
for ($i=127;$i>=0;$i--)
echo "<option value=\"$i\"".($vol[$k]==$i?' selected="selected"':'').">$i</option>\n";
?>
</select>
</td>
<td class="mediumgrey">
<?php
for ($i=0;$i<16;$i++) {
echo "<input type=\"checkbox\" name=\"n$k$i\"".(isset($_POST["n$k$i"])?' checked="checked"':'')." />\n";
if ($i<15&&$i%4==3) echo "</td>\n<td".($i%8==3?' class="lightgrey"':' class="mediumgrey"').'>';
}
echo "\n</td>\n</tr>\n";
}
?>
<tr><td colspan="8">
<br />
<input type="text" name="bpm" size="3" value="<?=$bpm?>" /> bpm<br />
<input type="text" name="rep" size="3" value="<?=$rep?>" /> bar repetitions<br />
<br />
Player:
<select name="player">
<?
$players = array(
'default'=>'Default',
'quicktime'=>'Quicktime',
'crescendo'=>'Crescendo',
'bgsound'=>'IE Win BgSound',
'windowsmedia'=>'Windows Media',
'beatnik'=>'Beatnik',
'mp3_flash'=>'MP3 Flash Player',
'ogg_html5'=>'OGG HTML5 Player'
);
foreach ($players as$k=>$v){
echo '<option value="'.$k.'"'.($player==$k?' selected="selected"':'').'>'.$v."</option>\n";
}
?>
</select>
<br /><br />
Settings:
<?
$settings = array(
'autostart'=>'Autostart',
'loop'=>'Loop',
'visible'=>'Visible'
);
foreach ($settings as $k=>$v){
echo '<input type="checkbox" name="'.$k.'"'.($$k?' checked="checked"':'').' />'.$v."\n";
}
?>
<!--
<br /><br />
<br />
<input type="checkbox" name="showTxt"<?=isset($_POST['showTxt'])?' checked="checked"':''?> />show MIDI result as Text<br />
<input type="checkbox" name="showXml"<?=isset($_POST['showXml'])?' checked="checked"':''?> />show MIDI result as XML
-->
<br /><br />
<input type="submit" name="play" value=" PLAY! " />
<input type="submit" name="publish" value="Publish" onclick="return confirm('Are you sure this mix is worth to be published?')" /> <br /><br />
<?php
if ($play){
$save_dir = 'tmp/';
srand((double)microtime()*1000000);
$file = $save_dir.rand().'.mid';
$midi->open(480); //timebase=480, quarter note=120
$midi->setBpm($bpm);
for ($k=1;$k<=8;$k++) if ($aktiv[$k]){
$ch = ($k<5)?10:$k;
$inst = $_POST["inst$k"];
$n = $_POST["note$k"];
$v = $_POST["vol$k"];
$t = 0;
$ts = 0;
$tn = $midi->newTrack() - 1;
$midi->addMsg($tn, "0 PrCh ch=$ch p=$inst");
for ($r=0;$r<$rep;$r++){
for ($i=0;$i<16;$i++){
if ($ts == $t+120) $midi->addMsg($tn, "$ts Off ch=$ch n=$n v=127");
if (isset($_POST["n$k$i"])){
$t = $ts;
$midi->addMsg($tn, "$t On ch=$ch n=$n v=$v");
}
$ts += 120;
}
if ($ts == $t+120) $midi->addMsg($tn, "$ts Off ch=$ch n=$n v=127");
}
$midi->addMsg($tn, "$ts Meta TrkEnd");
}
$midi->saveMidFile($file, 0666);
$midi->playMidFile($file,$visible,$autostart,$loop,$player);
?>
<br /><br />
<input type="button" name="download" value="Save as SMF (*.mid)" onclick="self.location.href='download.php?f=<?=urlencode($file)?>'" />
<?php
}
?>
</td></tr></table>
</td>
<td style="width:10px"> </td>
<td valign="top">
<table width="160" border="0" cellpadding="2" cellspacing="0" class="mediumgrey">
<tr class="title"><td colspan="7"><b>Published Mixes</b></td></tr>
<tr><td>
<div id="mixlist"<?=$deleteFlag?'':' style="height:480px;overflow:scroll"'?>>
<?php
function cmp ($a, $b) {
return (filemtime('mix/'.$a) < filemtime('mix/'.$b)) ? 1 : -1;
}
$mixes = array();
$h = opendir ('mix');
while ($file = readdir($h)){
if ($file!='.' && $file!='..'){
#if ($file{0}=='6')
$mixes[] = $file;
}
}
closedir($h);
#usort ($mixes, "cmp");
sort ($mixes);
foreach ($mixes as $m){
echo '<a href="sequencer.php?mix='.$m.'"'.(@$mix==$m?' class="on"':'').'>'.$m.'</a>'.($deleteFlag?' <a href="?del='.$m.'">[x]</a>':'').'<br />';
}
?>
</div>
</td></tr></table>
</td></tr></table>
</div>
</form>
<?php
#if (isset($_POST['showTxt'])) echo '<hr /><pre>'.$midi->getTxt().'</pre>';
#if (isset($_POST['showXml'])) echo '<hr /><pre>'.htmlspecialchars($midi->getXml()).'</pre>';
?>
</body>
</html>