rendered paste body<?phpclass mp3{ var $str; var $time; var $frames; function mp3($path="") { if($path!="") { $this->str = file_get_contents($path); } } function setStr($str) { $this->str = $str; } function setFileInfoExact() { $maxStrLen = strlen($this->str); $currentStrPos = strpos($this->str,chr(255)); $framesCount=0; $time = 0; while($currentStrPos < $maxStrLen) { $str = substr($this->str,$currentStrPos,4); $strlen = strlen($str); $parts = array(); for($i=0;$i < $strlen;$i++) { $parts[] = $this->decbinFill(ord($str[$i]),8); } if($parts[0] != "11111111") { if(($maxStrLen-128) > $currentStrPos) { return false; } else { $this->time = $time; $this->frames = $framesCount; return true; } } $a = $this->doFrameStuff($parts); $currentStrPos += $a[0]; $time += $a[1]; $framesCount++; } $this->time = $time; $this->frames = $framesCount; return true; } function extract($start,$length) { $maxStrLen = strlen($this->str); $currentStrPos = strpos($this->str,chr(255)); $framesCount=0; $time = 0; $startCount = -1; $endCount = -1; while($currentStrPos < $maxStrLen) { if($startCount==-1&&$time>=$start) { $startCount = $currentStrPos; } if($endCount==-1&&$time>=($start+$length)) { $endCount = $currentStrPos-$startCount; } $doFrame = true; $str = substr($this->str,$currentStrPos,4); $strlen = strlen($str); $parts = array(); for($i=0;$i < $strlen;$i++) { $parts[] = $this->decbinFill(ord($str[$i]),8); } if($parts[0] != "11111111") { if(($maxStrLen-128) > $currentStrPos) { $doFrame = false; } else { $doFrame = false; } } if($doFrame) { $a = $this->doFrameStuff($parts); $currentStrPos += $a[0]; $time += $a[1]; $framesCount++; } } $mp3 = new mp3(); if($endCount == -1) { $endCount = $maxStrLen-$startCount; } if($startCount!=-1&&$endCount!=-1) { $mp3->setStr(substr($this->str,$startCount,$endCount)); } return $mp3; } function decbinFill($dec,$length=0) { $str = decbin($dec); $nulls = $length-strlen($str); if($nulls>0) { for($i=0;$i<$nulls;$i++) { $str = '0'.$str; } } return $str; } function doFrameStuff($parts) { //Get Audio Version $errors = array(); switch(substr($parts[1],3,2)) { case '01': $errors[]='Reserved audio version'; break; case '00': $audio = 2.5; break; case '10': $audio = 2; break; case '11': $audio = 1; break; } //Get Layer switch(substr($parts[1],5,2)) { case '01': $layer = 3; break; case '00': $errors[]='Reserved layer'; break; case '10': $layer = 2; break; case '11': $layer = 1; break; } //Get Bitrate $bitFlag = substr($parts[2],0,4); $bitArray = array( '0000' => array(free, free, free, free, free), '0001' => array(32, 32, 32, 32, 8), '0010' => array(64, 48, 40, 48, 16), '0011' => array(96, 56, 48, 56, 24), '0100' => array(128, 64, 56, 64, 32), '0101' => array(160, 80, 64, 80, 40), '0110' => array(192, 96, 80, 96, 48), '0111' => array(224, 112, 96, 112, 56), '1000' => array(256, 128, 112, 128, 64), '1001' => array(288, 160, 128, 144, 80), '1010' => array(320, 192, 160, 160, 96), '1011' => array(352, 224, 192, 176, 112), '1100' => array(384, 256, 224, 192, 128), '1101' => array(416, 320, 256, 224, 144), '1110' => array(448, 384, 320, 256, 160), '1111' => array(bad, bad, bad, bad, bad) ); $bitPart = $bitArray[$bitFlag]; $bitArrayNumber; if($audio==1) { switch($layer) { case 1: $bitArrayNumber=0; break; case 2: $bitArrayNumber=1; break; case 3: $bitArrayNumber=2; break; } } else { switch($layer) { case 1: $bitArrayNumber=3; break; case 2: $bitArrayNumber=4; break; case 3: $bitArrayNumber=4; break; } } $bitRate = $bitPart[$bitArrayNumber]; //Get Frequency $frequencies = array( 1=>array('00'=>44100, '01'=>48000, '10'=>32000, '11'=>'reserved'), 2=>array(), 2.5=>array()); $freq = $frequencies[$audio][substr($parts[2],4,2)]; //IsPadded? $padding = substr($parts[2],6,1); if($layer==3||$layer==2) { //FrameLengthInBytes = 144 * BitRate / SampleRate + Padding $frameLength = 144 * $bitRate * 1000 / $freq + $padding; } $frameLength = floor($frameLength); $seconds += $frameLength*8/($bitRate*1000); return array($frameLength,$seconds); //Calculate next when next frame starts. //Capture next frame. } function setIdv3_2($track,$title,$artist,$album,$year,$genre,$comments,$composer,$origArtist, $copyright,$url,$encodedBy) { $urlLength = (int)(strlen($url)+2); $copyrightLength = (int)(strlen($copyright)+1); $origArtistLength = (int)(strlen($origArtist)+1); $composerLength = (int)(strlen($composer)+1); $commentsLength = (int)strlen($comments)+5; $titleLength = (int) strlen($title)+1; $artistLength = (int)strlen($artist)+1; $albumLength = (int) strlen($album)+1; $genreLength = (int) strlen($genre)+1; $encodedByLength = (int)(strlen($encodedBy)+1); $trackLength = (int) strlen($track) + 1; $yearLength = (int) strlen($year)+1; $str .= chr(73);//I $str .= chr(68);//D $str .= chr(51);//3 $str .= chr(3);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr(8);// $str .= chr(53);//5 $str .= chr(84);//T $str .= chr(82);//R $str .= chr(67);//C $str .= chr(75);//K $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr($trackLength);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= $track; $str .= chr(84);//T $str .= chr(69);//E $str .= chr(78);//N $str .= chr(67);//C $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr($encodedByLength);// $str .= chr(64);//@ $str .= chr(0);// $str .= chr(0);// $str .= $encodedBy; $str .= chr(87);//W $str .= chr(88);//X $str .= chr(88);//X $str .= chr(88);//X $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr($urlLength);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= $url; $str .= chr(84);//T $str .= chr(67);//C $str .= chr(79);//O $str .= chr(80);//P $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr($copyrightLength);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= $copyright; $str .= chr(84);//T $str .= chr(79);//O $str .= chr(80);//P $str .= chr(69);//E $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr($origArtistLength);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= $origArtist; $str .= chr(84);//T $str .= chr(67);//C $str .= chr(79);//O $str .= chr(77);//M $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr($composerLength);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= $composer; $str .= chr(67);//C $str .= chr(79);//O $str .= chr(77);//M $str .= chr(77);//M $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr($commentsLength);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr(9);// $str .= chr(0);// $str .= chr(0);// $str .= $comments; $str .= chr(84);//T $str .= chr(67);//C $str .= chr(79);//O $str .= chr(78);//N $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr($genreLength);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= $genre; $str .= chr(84);//T $str .= chr(89);//Y $str .= chr(69);//E $str .= chr(82);//R $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr($yearLength);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= $year; $str .= chr(84);//T $str .= chr(65);//A $str .= chr(76);//L $str .= chr(66);//B $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr($albumLength);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= $album; $str .= chr(84);//T $str .= chr(80);//P $str .= chr(69);//E $str .= chr(49);//1 $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr($artistLength);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= $artist; $str .= chr(84);//T $str .= chr(73);//I $str .= chr(84);//T $str .= chr(50);//2 $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= chr($titleLength);// $str .= chr(0);// $str .= chr(0);// $str .= chr(0);// $str .= $title; $this->str = $str.$this->str; } function mergeBehind(mp3 $mp3) { $this->str .= $mp3->str; } function mergeInfront(mp3 $mp3) { $this->str = $mp3->str.$this->str; } function getIdvEnd() { $strlen = strlen($this->str); $str = substr($this->str,($strlen-128)); $str1 = substr($str,0,3); if(strtolower($str1) == strtolower('TAG')) { return $str; } else { return false; } } function getStart() { $strlen = strlen($this->str); for($i=0;$i<$strlen;$i++) { $v = substr($this->str,$i,1); $value = ord($v); if($value == 255) { return $i; } } } function striptags() { //Remove start stuff... $newStr = ''; $s = $start = $this->getStart(); if($s===false) { return false; } else { $this->str = substr($this->str,$start); } //Remove end tag stuff $end = $this->getIdvEnd(); if($end!==false) { $this->str = substr($this->str,0,(strlen($this->str)-129)); } } function save($path) { $fp = fopen($path,'w'); fwrite($fp,$this->str); fclose($fp); }}?>