<?php
class MP3 {
var $id3_genres_array = array(
'Blues', 'Classic Rock', 'Country', 'Dance', 'Disco', 'Funk', 'Grunge', 'Hip-Hop', 'Jazz', 'Metal', 'New Age', 'Oldies', 'Other', 'Pop', 'R&B', 'Rap', 'Reggae', 'Rock', 'Techno', 'Industrial',
'Alternative', 'Ska', 'Death Metal', 'Pranks', 'Soundtrack', 'Euro-Techno', 'Ambient', 'Trip-Hop', 'Vocal', 'Jazz+Funk', 'Fusion', 'Trance', 'Classical', 'Instrumental', 'Acid', 'House',
'Game', 'Sound Clip', 'Gospel', 'Noise', 'AlternRock', 'Bass', 'Soul', 'Punk', 'Space', 'Meditative', 'Instrumental Pop', 'Instrumental Rock', 'Ethnic', 'Gothic', 'Darkwave',
'Techno-Industrial', 'Electronic', 'Pop-Folk', 'Eurodance', 'Dream', 'Southern Rock', 'Comedy', 'Cult', 'Gangsta', 'Top 40', 'Christian Rap', 'Pop/Funk', 'Jungle', 'Native American', 'Cabaret',
'New Wave', 'Psychadelic', 'Rave', 'Showtunes', 'Trailer', 'Lo-Fi', 'Tribal', 'Acid Punk', 'Acid Jazz', 'Polka', 'Retro', 'Musical', 'Rock & Roll', 'Hard Rock', 'Folk', 'Folk/Rock', 'National Folk', 'Swing', 'Fast Fusion', 'Bebob', 'Latin', 'Revival', 'Celtic', 'Bluegrass', 'Avantgarde', 'Gothic Rock', 'Progressive Rock', 'Psychedelic Rock', 'Symphonic Rock', 'Slow Rock', 'Big Band',
'Chorus', 'Easy Listening', 'Acoustic', 'Humour', 'Speech', 'Chanson', 'Opera', 'Chamber Music', 'Sonata', 'Symphony', 'Booty Bass', 'Primus', 'Porn Groove', 'Satire', 'Slow Jam', 'Club', 'Tango', 'Samba',
'Folklore', 'Ballad', 'Power Ballad', 'Rhythmic Soul', 'Freestyle', 'Duet', 'Punk Rock', 'Drum Solo', 'Acapella', 'Euro-house', 'Dance Hall'
);
var $info_bitrates = array(
1 => array( 1 => array( 0 => 0, 16 => 32, 32 => 64, 48 => 96, 64 => 128, 80 => 160, 96 => 192, 112 => 224, 128 => 256, 144 => 288, 160 => 320, 176 => 352, 192 => 384, 208 => 416, 224 => 448, 240 => false),
2 => array( 0 => 0, 16 => 32, 32 => 48, 48 => 56, 64 => 64, 80 => 80, 96 => 96, 112 => 112, 128 => 128, 144 => 160, 160 => 192, 176 => 224, 192 => 256, 208 => 320, 224 => 384, 240 => false),
3 => array( 0 => 0, 16 => 32, 32 => 40, 48 => 48, 64 => 56, 80 => 64, 96 => 80, 112 => 96, 128 => 112, 144 => 128, 160 => 160, 176 => 192, 192 => 224, 208 => 256, 224 => 320, 240 => false)
),
2 => array(
1 => array( 0 => 0, 16 => 32, 32 => 48, 48 => 56, 64 => 64, 80 => 80, 96 => 96, 112 => 112, 128 => 128, 144 => 144, 160 => 160, 176 => 176, 192 => 192, 208 => 224, 224 => 256, 240 => false),
2 => array( 0 => 0, 16 => 8, 32 => 16, 48 => 24, 64 => 32, 80 => 40, 96 => 48, 112 => 56, 128 => 64, 144 => 80, 160 => 96, 176 => 112, 192 => 128, 208 => 144, 224 => 160, 240 => false),
3 => array( 0 => 0, 16 => 8, 32 => 16, 48 => 24, 64 => 32, 80 => 40, 96 => 48, 112 => 56, 128 => 64, 144 => 80, 160 => 96, 176 => 112, 192 => 128, 208 => 144, 224 => 160, 240 => false)
),
);
var $info_versions = array(0 => "reserved", 1 => "MPEG Version 1", 2 => "MPEG Version 2", 2.5 => "MPEG Version 2.5");
var $info_layers = array("reserved", "Layer I", "Layer II", "Layer III");
var $info_sampling_rates = array(
0 => array(0 => false, 4 => false, 8 => false, 12 => false),
1 => array(0 => "44100 Hz", 4 => "48000 Hz", 8 => "32000 Hz", 12 => false),
2 => array(0 => "22050 Hz", 4 => "24000 Hz", 8 => "16000 Hz", 12 => false),
2.5 => array(0 => "11025 Hz", 4 => "12000 Hz", 8 => "8000 Hz", 12 => false),
);
var $info_channel_modes = array(0 => "stereo", 64 => "joint stereo", 128 => "dual channel", 192 => "single channel");
var $file = "";
var $fh = false;
var $error = false;
var $id3_parsed = false;
var $id3 = array(
"tag" => "",
"title" => "unknown",
"author" => "unknown",
"album" => "unknown",
"year" => "unknown",
"comment" => "unknown",
"genre_id" => 0,
"genre" => "unknown"
);
var $url = ""; var $info = array();
function mp3($file, $exitonerror=true) {
if (file_exists($file)) {
$this->file = $file;
$this->fh = fopen($this->file,"r");
global $HTTP_HOST, $PHP_SELF;
$this->url = "http://$HTTP_HOST/$PHP_SELF";
} else {
$this->error = "No such file";
if ($exitonerror) $this->exitonerror();
}
}
function exitonerror() {
echo($this->error);
exit;
}
function set_id3($title = "", $author = "", $album = "", $year = "", $comment = "", $genre_id = 0) {
$this->error = false;
$this->wfh = fopen($this->file,"a");
fseek($this->wfh, -128, SEEK_END);
fwrite($this->wfh, pack("a3a30a30a30a4a30C1", "TAG", $title, $author, $album, $year, $comment, $genre_id), 128);
fclose($this->wfh);
}
class MP3 {
var $id3_genres_array = array(
'Blues', 'Classic Rock', 'Country', 'Dance', 'Disco', 'Funk', 'Grunge', 'Hip-Hop', 'Jazz', 'Metal', 'New Age', 'Oldies', 'Other', 'Pop', 'R&B', 'Rap', 'Reggae', 'Rock', 'Techno', 'Industrial',
'Alternative', 'Ska', 'Death Metal', 'Pranks', 'Soundtrack', 'Euro-Techno', 'Ambient', 'Trip-Hop', 'Vocal', 'Jazz+Funk', 'Fusion', 'Trance', 'Classical', 'Instrumental', 'Acid', 'House',
'Game', 'Sound Clip', 'Gospel', 'Noise', 'AlternRock', 'Bass', 'Soul', 'Punk', 'Space', 'Meditative', 'Instrumental Pop', 'Instrumental Rock', 'Ethnic', 'Gothic', 'Darkwave',
'Techno-Industrial', 'Electronic', 'Pop-Folk', 'Eurodance', 'Dream', 'Southern Rock', 'Comedy', 'Cult', 'Gangsta', 'Top 40', 'Christian Rap', 'Pop/Funk', 'Jungle', 'Native American', 'Cabaret',
'New Wave', 'Psychadelic', 'Rave', 'Showtunes', 'Trailer', 'Lo-Fi', 'Tribal', 'Acid Punk', 'Acid Jazz', 'Polka', 'Retro', 'Musical', 'Rock & Roll', 'Hard Rock', 'Folk', 'Folk/Rock', 'National Folk', 'Swing', 'Fast Fusion', 'Bebob', 'Latin', 'Revival', 'Celtic', 'Bluegrass', 'Avantgarde', 'Gothic Rock', 'Progressive Rock', 'Psychedelic Rock', 'Symphonic Rock', 'Slow Rock', 'Big Band',
'Chorus', 'Easy Listening', 'Acoustic', 'Humour', 'Speech', 'Chanson', 'Opera', 'Chamber Music', 'Sonata', 'Symphony', 'Booty Bass', 'Primus', 'Porn Groove', 'Satire', 'Slow Jam', 'Club', 'Tango', 'Samba',
'Folklore', 'Ballad', 'Power Ballad', 'Rhythmic Soul', 'Freestyle', 'Duet', 'Punk Rock', 'Drum Solo', 'Acapella', 'Euro-house', 'Dance Hall'
);
var $info_bitrates = array(
1 => array( 1 => array( 0 => 0, 16 => 32, 32 => 64, 48 => 96, 64 => 128, 80 => 160, 96 => 192, 112 => 224, 128 => 256, 144 => 288, 160 => 320, 176 => 352, 192 => 384, 208 => 416, 224 => 448, 240 => false),
2 => array( 0 => 0, 16 => 32, 32 => 48, 48 => 56, 64 => 64, 80 => 80, 96 => 96, 112 => 112, 128 => 128, 144 => 160, 160 => 192, 176 => 224, 192 => 256, 208 => 320, 224 => 384, 240 => false),
3 => array( 0 => 0, 16 => 32, 32 => 40, 48 => 48, 64 => 56, 80 => 64, 96 => 80, 112 => 96, 128 => 112, 144 => 128, 160 => 160, 176 => 192, 192 => 224, 208 => 256, 224 => 320, 240 => false)
),
2 => array(
1 => array( 0 => 0, 16 => 32, 32 => 48, 48 => 56, 64 => 64, 80 => 80, 96 => 96, 112 => 112, 128 => 128, 144 => 144, 160 => 160, 176 => 176, 192 => 192, 208 => 224, 224 => 256, 240 => false),
2 => array( 0 => 0, 16 => 8, 32 => 16, 48 => 24, 64 => 32, 80 => 40, 96 => 48, 112 => 56, 128 => 64, 144 => 80, 160 => 96, 176 => 112, 192 => 128, 208 => 144, 224 => 160, 240 => false),
3 => array( 0 => 0, 16 => 8, 32 => 16, 48 => 24, 64 => 32, 80 => 40, 96 => 48, 112 => 56, 128 => 64, 144 => 80, 160 => 96, 176 => 112, 192 => 128, 208 => 144, 224 => 160, 240 => false)
),
);
var $info_versions = array(0 => "reserved", 1 => "MPEG Version 1", 2 => "MPEG Version 2", 2.5 => "MPEG Version 2.5");
var $info_layers = array("reserved", "Layer I", "Layer II", "Layer III");
var $info_sampling_rates = array(
0 => array(0 => false, 4 => false, 8 => false, 12 => false),
1 => array(0 => "44100 Hz", 4 => "48000 Hz", 8 => "32000 Hz", 12 => false),
2 => array(0 => "22050 Hz", 4 => "24000 Hz", 8 => "16000 Hz", 12 => false),
2.5 => array(0 => "11025 Hz", 4 => "12000 Hz", 8 => "8000 Hz", 12 => false),
);
var $info_channel_modes = array(0 => "stereo", 64 => "joint stereo", 128 => "dual channel", 192 => "single channel");
var $file = "";
var $fh = false;
var $error = false;
var $id3_parsed = false;
var $id3 = array(
"tag" => "",
"title" => "unknown",
"author" => "unknown",
"album" => "unknown",
"year" => "unknown",
"comment" => "unknown",
"genre_id" => 0,
"genre" => "unknown"
);
var $url = ""; var $info = array();
function mp3($file, $exitonerror=true) {
if (file_exists($file)) {
$this->file = $file;
$this->fh = fopen($this->file,"r");
global $HTTP_HOST, $PHP_SELF;
$this->url = "http://$HTTP_HOST/$PHP_SELF";
} else {
$this->error = "No such file";
if ($exitonerror) $this->exitonerror();
}
}
function exitonerror() {
echo($this->error);
exit;
}
function set_id3($title = "", $author = "", $album = "", $year = "", $comment = "", $genre_id = 0) {
$this->error = false;
$this->wfh = fopen($this->file,"a");
fseek($this->wfh, -128, SEEK_END);
fwrite($this->wfh, pack("a3a30a30a30a4a30C1", "TAG", $title, $author, $album, $year, $comment, $genre_id), 128);
fclose($this->wfh);
}
$this->id3_parsed = true;
fseek($this->fh, -128, SEEK_END);
$line = fread($this->fh, 10000);
if (preg_match("/^TAG/", $line)) {
$this->id3 = unpack("a3tag/a30title/a30author/a30album/a4year/a30comment/C1genre_id", $line);
$this->id3["genre"] = $this->id3_genres_array[$this->id3]["genre_id"];
return(true);
} else {
$this->error = "no idv3 tag found";
return(false);
}
}
function calculate_length($id3v2_tagsize = 0) {
$length = floor(($this->info["filesize"] - $id3v2_tagsize) / $this->info["bitrate"] * 0.008); $min = floor($length / 60);
$min = strlen($min) == 1 ? "0$min" : $min;
$sec = $length % 60;
$sec = strlen($sec) == 1 ? "0$sec" : $sec;
return("$min:$sec");
}
function get_info(&$length,&$filesize,&$bitrate,&$sampling_rate) {
$second = $this->synchronize();
$third = ord(fread($this->fh, 1));
$fourth = ord(fread($this->fh, 1));
$this->info["version_id"] = ($second & 16) > 0 ? ( ($second & 8) > 0 ? 1 : 2 ) : ( ($second & 8) > 0 ? 0 : 2.5 );
$this->info["version"] = $this->info_versions[$this->info["version_id"]];
$this->info["layer_id"] = ($second & 4) > 0 ? ( ($second & 2) > 0 ? 1 : 2 ) : ( ($second & 2) > 0 ? 3 : 0 ); ;
$this->info["layer"] = $this->info_layers[ $this->info["layer_id"]];
$this->info["protection"] = ($second & 1) > 0 ? "no CRC" : "CRC";
$this->info["bitrate"] = $this->info_bitrates[$this->info["version_id"]][$this->info["layer_id"]][($third & 240)];
$this->info["sampling_rate"] = $this->info_sampling_rates[ $this->info["version_id"]][ ($third & 12)];
$this->info["padding"] = ($third & 2) > 0 ? "on" : "off";
$this->info["private"] = ($third & 1) > 0 ? "on" : "off";
$this->info["channel_mode"] = $this->info_channel_modes[$fourth & 192];
$this->info["copyright"] = ($fourth & 8) > 0 ? "on" : "off";
$this->info["original"] = ($fourth & 4) > 0 ? "on" : "off";
$this->info["filesize"] = filesize($this->file);
$this->info["length"] = $this->calculate_length();
}
function synchronize() {
$finished = false;
rewind($this->fh);
while (!$finished) { $skip = ord(fread($this->fh, 1));
while ($skip != 255 && !feof($this->fh)) {
$skip = ord(fread($this->fh, 1));
}
if (feof($this->fh)) {
$this->error("no info header found");
if ($exitonerror) $this->exitonerror();
}
$store = ord(fread($this->fh, 1)); if ($store >= 225) {
$finished = true;
} else if (feof($this->fh)) {
$this->error("no info header found");
if ($exitonerror) $this->exitonerror();
}
}
return($store);
}
function get_id3v2header() {
$bytes = fread($this->fh, 3);
if ($bytes != "ID3") {
echo("no ID3 tag");
return(false);
}
$major = fread($this->fh, 1);
$minor = fread($this->fh, 1);
echo("ID3v$major.$minor");
}
function stream() {
if (!$this->id3_parsed) {
$this->get_id3();
}
header("ICY 200 OK\r\n");
header("icy-notice1:This stream requires a shoutcast/icecast compatible player.<br>\r\n");
header("icy-notice2:php MP3 class<br>\r\n");
header("icy-name:" . (count($this->id3) > 0 ? $this->id3["title"] . " - " . $this->id3["author"] . " - " . $this->id3["album"] . " - " . $this->id3["year"] : $this->file) . "\r\n");
header("icy-genre:" . (count($this->id3) > 0 ? $this->id3["genre"] : "unspecified") . "\r\n");
header("icy-url:bbb\r\n");
header("icy-pub:1\r\n");
header("icy-br:320\r\n");
rewind($this->fh);
fpassthru($this->fh);
}
function send_playlist_header($numentries = 1) {
header("Content-Type: audio/mpegurl;");
echo("[playlist]\r\n\r\n");
echo("NumberOfEntries=$numentries\r\n");
}
function send_pls($server) {
$this->send_playlist_header();
$path = "/";
$path_array = explode("/", dirname($this->file));
while(list($key,$val) = each($path_array)) {
$path .= empty($val) ? "" : rawurlencode($val);
}
$path .= "/";
$file = rawurlencode(preg_replace("/\.mp3$/", "", basename($this->file)));
echo("File1=http://$server$path$file.mps\r\n");
}
function close() {
@fclose($this->fh);
}
} ?>
大部份歌曲都检测得出来,就是位数为128KBPS的MP3时,组数$info_bitrates就缺少一个0的下标了