Exemplo n.º 1
0
 public function getMp3($filePath, $analysis = false, $getFramesIndex = false)
 {
     $getFramesIndex = $analysis ? $getFramesIndex : false;
     $fileAnalysis = intval(!empty($analysis)) + intval(!empty($getFramesIndex));
     if (!($fileSource = fopen($filePath, 'rb'))) {
         return false;
     }
     $fileSize = filesize($filePath);
     $id3v2Handle = HandlerFactory::get('id3v2')->handle($fileSource);
     $id3v2 = $id3v2Handle['id3v2'];
     $posAudioStart = $id3v2Handle['posAudioStart'];
     $id3v1Handle = HandlerFactory::get('id3v1')->handle($fileSource, $fileSize);
     $id3v1 = isset($id3v1Handle['tag']) ? $id3v1Handle['tag'] : false;
     $posAudioEnd = $id3v1Handle['posAudioEnd'];
     $dataHandle = HandlerFactory::get('mp3')->getData($fileSource, $fileSize, $posAudioStart, $posAudioEnd, $id3v2, $fileAnalysis);
     $data = $dataHandle['data'];
     $audioFrames = $dataHandle['audioFrames'];
     $return = array('data' => $data, 'id3v2' => $id3v2, 'id3v1' => $id3v1, 'frames' => $getFramesIndex ? $audioFrames : false, 'posAudioStart' => $posAudioStart, 'posAudioEnd' => $posAudioEnd);
     foreach ($return as $variable => $value) {
         if ($value === false) {
             unset($return[$variable]);
         }
     }
     return $return;
 }
Exemplo n.º 2
0
 public function handle($fileSource)
 {
     $mp3Handler = HandlerFactory::get('mp3');
     $pos_call = ftell($fileSource);
     $tag = array();
     $tagHeaderData = fread($fileSource, 10);
     $tagHeader = unpack('a3identifier/Cversion/Crevision/Cflag/Csize0/Csize1/Csize2/Csize3', $tagHeaderData);
     if (!$tagHeader || $tagHeader['identifier'] != 'ID3') {
         fseek($fileSource, $pos_call);
         return array('posAudioStart' => 0, 'id3v2' => false);
     }
     $tag['version'] = $tagHeader['version'];
     $tag['revision'] = $tagHeader['revision'];
     $tagFlag = $mp3Handler->convertFlag($tagHeader['flag']);
     $tag['flag'] = array('unsynchronisation' => $tagFlag[0], 'extra' => $tagFlag[1], 'istest' => $tagFlag[2]);
     $tagSize = ($tagHeader['size0'] & 0x7f) << 21 | ($tagHeader['size1'] & 0x7f) << 14 | ($tagHeader['size2'] & 0x7f) << 7 | $tagHeader['size3'];
     if (($tagSize = intval($tagSize)) < 1) {
         return array('posAudioStart' => 0, 'id3v2' => false);
     }
     $tag['size'] = $tagSize;
     $tag['frames'] = array();
     $pos_start = ftell($fileSource);
     $pos_end = $pos_start + $tagSize - 10;
     while (true) {
         if (ftell($fileSource) >= $pos_end) {
             break;
         }
         $frameHeaderData = fread($fileSource, 10);
         $frameHeader = unpack('a4frameid/Nsize/Cflag0/Cflag1', $frameHeaderData);
         if (!$frameHeader || !$frameHeader['frameid']) {
             continue;
         }
         $frameId = $frameHeader['frameid'];
         $frameDescription = 'Unknown';
         if (Frame::get($frameId)) {
             $frameDescription = Frame::get($frameId);
         } else {
             switch (strtoupper($frameId[0])) {
                 case 'T':
                     $frameDescription = 'User defined text information frame';
                     break;
                 case 'W':
                     $frameDescription = 'User defined URL link frame';
                     break;
             }
         }
         if (($frameSize = $frameHeader['size']) < 1 || ftell($fileSource) + $frameSize > $pos_end) {
             continue;
         }
         $frameFlag = array($mp3Handler->convertFlag($frameHeader['flag0']), $mp3Handler->convertFlag($frameHeader['flag1']));
         $frameCharsetData = unpack('c', fread($fileSource, 1));
         $frameCharset = '';
         switch ($frameCharsetData) {
             case 0:
                 $frameCharset = 'ISO-8859-1';
                 break;
             case 1:
                 $frameCharset = 'UTF-16';
                 break;
             case 2:
                 $frameCharset = 'UTF-16BE';
                 break;
             case 3:
                 $frameCharset = 'UTF-8';
                 break;
         }
         if ($frameCharset) {
             $frameDataSize = $frameSize - 1;
         } else {
             $frameDataSize = $frameSize;
             fseek($fileSource, ftell($fileSource) - 1);
         }
         $frameData = unpack("a{$frameDataSize}data", fread($fileSource, $frameDataSize));
         $frameData = $frameData['data'];
         if ($frameId == 'COMM') {
             $frameLang = substr($frameData, 0, 3);
             $frameData = substr($frameData, 3 + ($frameData[3] == "" ? 1 : 0));
         } else {
             $frameLang = '';
         }
         $frame = array('frameid' => $frameId, 'description' => $frameDescription, 'flag' => array('tag_protect' => $frameFlag[0][0], 'file_protect' => $frameFlag[0][1], 'readonly' => $frameFlag[0][2], 'compressed' => $frameFlag[1][0], 'encrypted' => $frameFlag[1][1], 'group' => $frameFlag[1][2]), 'size' => $frameSize, 'data' => $frameData);
         $frameCharset && ($frame['charset'] = $frameCharset);
         $frameLang && ($frame['language'] = $frameLang);
         $tag['frames'][$frameId][] = $frame;
     }
     $id3v2 = array();
     if ($id3v2) {
         if (!isset($id3v2[0])) {
             $id3v2 = array($id3v2);
         }
         $id3v2[] = $tag;
     } else {
         $id3v2 = $tag;
     }
     return array('posAudioStart' => $pos_end, 'id3v2' => $id3v2);
 }