Salom do`stlar demak yana 1 ta foydali ko`d sizlar uchun. Bu kod mp3 fayl ma`lumotlarini a...

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uDesign

Salom do`stlar demak yana 1 ta foydali ko`d sizlar uchun.
Bu kod mp3 fayl ma`lumotlarini aniqlab beradi.
Yani saytingizdagi mp3 fayl manzilini yozsangiz
mp3 nomi, artis, vaqti, hajmi, album, year, comment, track, genreno, version va hokozo.
CLASS ko`di fayl nomi getMP3info.php

<?php
# getMP3info.php
 
// ===== Получение информации о mp3-файле ======================================
function getMP3data($filename) {
$ret = array();
    $ret['filename'] = $filename;
if (!@$f = fopen($filename, 'rb')) {
$ret['error'] = 'Error opening file.';
return $ret;
}
// Определение ID3 тегов
if ($s = getID3v1($filename)) { $ret['id3v1'] = $s; }
if ($s = getID3v2($filename)) { $ret['id3v2'] = $s; }
 
// Если есть id3v2 тег, то перед поиском mp3 фрейма сдвигаем указатель файла за id3v2 тег
if ($ret['id3v2']['size']) { fseek($f, $ret['id3v2']['size'] + 10); }
 
// Ищем mp3 фрейм. - 11111111-11111111-1111111? (0xFFF(E))
do {
while (fread($f, 1) != chr(255)) {
if (feof($f)) {
$ret['error'] = 'MP3 frame not found.';
return $ret;
}
}
$s = fread($f, 3);
$header = sprintf('%08b%08b%08b%08b', 255, ord($s[0]), ord($s[1]), ord($s[2]));
} while ($header[0] != 1 && $header[1] != 1 && $header[2] != 1) ;
 
// Нашли первый mp3 фрейм. Читаем информацию
if ($header[11] == 0) {
$ret['id'] == 'MPEG-2.5';
} else {
if ($header[12] == 1) { $ret['id'] = 'MPEG-1'; } else { $ret['id'] = 'MPEG-2'; }
}
 
$layers = array(
array(0, 3),
array(2, 1)
);
 
$ret['layer'] = $layers[$header[13]][$header[14]];
 
if ($header[15] == 0) {$ret['protect_CRC'] = true; }
 
$bitrates['MPEG-1'] = array(
1 => array(0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448),// MPEG-1 Layer I
2 => array(0, 32, 48, 56,  64,  80,  96, 112, 128, 160, 192, 224, 256, 320, 384),// MPEG-1 Layer II
3 => array(0, 32, 40, 48,  56,  64,  80,  96, 112, 128, 160, 192, 224, 256, 320) // MPEG-1 Layer III
);
$bitrates['MPEG-2'] = array(
1 => array(0, 32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448),// MPEG-2 Layer I
2 => array(0, 32, 48, 56,  64,  80,  96, 112, 128, 160, 192, 224, 256, 320, 384),// MPEG-2 Layer II
3 => array(0, 8,  16, 24,  32,  64,  80,  56,  64, 128, 160, 112, 128, 256, 320) // MPEG-2 Layer III
);
$bitrates['MPEG-2.5'] = array(
1 => array(0, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256, 0),// MPEG-2.5 Layer I
2 => array(0,  8, 16, 24, 32, 40, 48,  56,  64,  80,  96, 112, 128, 144, 160, 0),// MPEG-2.5 Layer II
3 => array(0,  8, 16, 24, 32, 40, 48,  56,  64,  80,  96, 112, 128, 144, 160, 0) // MPEG-2.5 Layer III
);
 
$ret['bitrate'] = $bitrates[$ret['id']][$ret['layer']][bindec($header[16].$header[17].$header[18].$header[19])];
 
    $frequency = array(
'MPEG-1' => array(
'0' => array(44100, 48000),
'1' => array(32000, 0),
),
'MPEG-2' => array(
'0' => array(22050, 24000),
'1' => array(16000, 0),
),
'MPEG-2.5' => array(
'0' => array(11025, 12000),
'1' => array(8000, 0),
),
);
    $ret['frequency'] = $frequency[$ret['id']][$header[20]][$header[21]];
    $ret['padding'] = $header[22];
 
$samplesPerFrame = array(
'MPEG-1' => array(1 => 384, 2 => 1152, 3 => 1152),
'MPEG-2' => array(1 => 384, 2 => 1152, 3 => 576),
'MPEG-2.5' => array(1 => 384, 2 => 1152, 3 => 576)
);
 
$modes = array(
0 => array('Stereo', 'Joint stereo'),
1 => array('Dual channel', 'Mono')
);
 
$ret['mode'] = $modes[$header[24]][$header[25]];
    // Если режим = Joint Stereo
    if ($header[24] == 0 && $header[25] == 1) {
    $ret['Intensity stereo'] = $header[26];
    $ret['MS stereo'] = $header[27];
    }
 
$ret['Copyrighted'] = $header[28];
$ret['Original'] = $header[29];
 
$emphasises = array(
0 => array('None', '50/15ms'),
1 => array('', 'CCITT j.17')
);
 
$ret['Emphasis'] = $emphasises[$header[30]][$header[31]];
// =============================================================================
if ($ret['Mode'] != 'Mono' && $ret['id'] == 'MPEG-1') { $offset = 32; }
else if ($ret['Mode'] == 'Mono' && $ret['id'] == 'MPEG-1') { $offset = 17; }
else if ($ret['Mode'] == 'Mono' && ($ret['id'] == 'MPEG-2' || $ret['id'] == 'MPEG-2.5')) { $offset = 9; }
else { $offset = 17; }
 
fseek($f, $offset, SEEK_CUR);
$s = fread($f, 38);
 
if (substr($s, 0, 4) == 'VBRI') {
$ret['bitrate_mode'] = 'VBR';
$ret['VBR_header'] = 'VBRI';
$numberOfFrames = bindec(sprintf('%08b%08b%08b%08b', ord($s[14]),ord($s[15]),ord($s[16]),ord($s[17])));
    $ret['nof'] = $numberOfFrames;
    $duration = floor($numberOfFrames * $samplesPerFrame[$ret['id']][$ret['layer']] / $ret['frequency']);
} else
if (substr($s, 0, 4) == 'Xing') {
$ret['bitrate_mode'] = 'VBR';
$ret['VBR_header'] = 'Xing';
 
 
$numberOfFrames = bindec(sprintf('%08b%08b%08b%08b', ord($s[8]),ord($s[9]),ord($s[10]),ord($s[11])));
    $duration = floor($numberOfFrames * $samplesPerFrame[$ret['id']][$ret['layer']] / $ret['frequency']);
} else {
$ret['bitrate_mode'] = 'CBR';
    $datasize = filesize($filename);
    if ($ret['id3v1']) { $datasize -= 128; }
    if ($ret['id3v2']) { $datasize -= $ret['id3v2']['size'] - 10; }
    $duration = floor($datasize / ($ret['bitrate'] * 1000) * 8);
}
 
$ret['duration_str'] = sprintf('%02d:%02d',floor($duration/60),floor($duration-(floor($duration/60)*60)));
$ret['duration_str_hour'] = sprintf('%02d:%02d:%02d',floor($duration/3600),floor($duration/60),floor($duration -(floor($duration/60)*60)));
$ret['diration']= (int)$duration;
 
fclose($f);
return $ret;
}
// ===== Получение информации о ID3v2 тегах ====================================
function getID3v2($filename) {
$ret = array();
if (!@$f = fopen($filename, 'rb')) {
$ret['error'] = 'Error opening file.';
return $ret;
}
 
$header = fread($f, 10);
$header = @unpack("a3signature/c1version_major/c1version_minor/c1flags/Nsize", $header);
if ($header['signature'] != 'ID3') {
    fclose($f);
return false;
}
$ret['version'] = $header['version_major']. '.' .$header['version_minor'];
$bsize = sprintf('%032b', $header['size']);
$ret['size'] = bindec(substr($bsize, 1, 7).substr($bsize, 9, 7).substr($bsize, 17, 7).substr($bsize, 25, 7));
 
    fclose($f);
return $ret;
}
// ===== Получение информации о ID3v1 тегах ====================================
function getID3v1($filename) {
$ret = array();
$f = fopen($filename, 'rb');
if (!@$f = fopen($filename, 'rb')) {
$ret['error'] = 'Error opening file.';
return $ret;
}
fseek($f, -128, SEEK_END);
$s = fread($f,128);
if ($s[125] == chr(0) && $s[126] != chr(0)) {
    // ID3v1.1
    $format = 'a3tag/a30name/a30artists/a30album/a4year/a28comment/x1/c1track/c1genreno';
} else {
    // ID3v1.0
    $format = 'a3tag/a30name/a30artists/a30album/a4year/a30comment/c1genreno';
}
 
$ret = unpack($format, $s);
 
fclose($f);
if ($ret['tag'] == 'TAG') { return $ret; }
return false;
}
 
?>

ishlatish kodi

<?php
include('getMP3info.php');
echo '<pre>';
$info = getMP3data('music.mp3');// mp3 manzili
print_r($info);
echo '</pre>';
// kerakli joyga pasdagi ko`dni qo`yamiz
echo 'Albom: '.$info['id3v1']['album'].'<br>';
echo 'Bitreyt: '.$info['bitrate'];
?>

Natija

Array
(
    [filename] => music.mp3
    [id3v1] => Array
        (
            [tag] => TAG
            [name] => Rapture (Avicii New Generation
            [artists] => Nadia Ali
            [album] => Rapture
            [year] => 2010
            [comment] => 
            [track] => 1
            [genreno] => 31
        )
 
    [id3v2] => Array
        (
            [version] => 3.0
            [size] => 2518
        )
 
    [id] => MPEG-1
    [layer] => 3
    [bitrate] => 320
    [frequency] => 44100
    [padding] => 0
    [mode] => Joint stereo
    [Intensity stereo] => 0
    [MS stereo] => 0
    [Copyrighted] => 0
    [Original] => 1
    [Emphasis] => None
    [bitrate_mode] => CBR
    [duration_str] => 03:41
    [duration_str_hour] => 00:03:41
    [diration] => 221
)
Albom: Rapture
Bitreyt: 320