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- <?php
- class getid3
- {
-
-
- public $encoding = 'ISO-8859-1';
- public $encoding_id3v1 = 'ISO-8859-1';
- public $encoding_id3v2 = 'ISO-8859-1';
-
- public $option_tag_id3v1 = false;
- public $option_tag_id3v2 = false;
- public $option_tag_lyrics3 = false;
- public $option_tag_apetag = false;
-
- public $option_analyze = true;
- public $option_accurate_results = true;
- public $option_tags_process = true;
- public $option_tags_images = false;
- public $option_extra_info = true;
- public $option_max_2gb_check = false;
-
- public $option_md5_data = false;
- public $option_md5_data_source = false;
- public $option_sha1_data = false;
-
- public $filename;
- public $fp;
- public $info;
-
- protected $include_path;
- protected $warnings = array ();
- protected $iconv_present;
-
- const VERSION = '2.0.0b4';
- const FREAD_BUFFER_SIZE = 16384;
- const ICONV_TEST_STRING = ' !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~�������������������������������� �����������������������������������������������������������������������������������������������';
-
- public function __construct() {
-
- static $include_path;
- static $iconv_present;
- static $initialized;
- if ($initialized) {
-
- $this->include_path = $include_path;
- $this->iconv_present = $iconv_present;
-
- return;
- }
-
- $this->include_path = $include_path = dirname(__FILE__) . '/';
-
- if (function_exists('iconv') && @iconv('UTF-16LE', 'ISO-8859-1', @iconv('ISO-8859-1', 'UTF-16LE', getid3::ICONV_TEST_STRING)) == getid3::ICONV_TEST_STRING) {
- $this->iconv_present = $iconv_present = true;
- }
-
- else {
- $this->include_module('lib.iconv_replacement');
- $this->iconv_present = $iconv_present = false;
- }
-
- if (get_magic_quotes_runtime()) {
- throw new getid3_exception('magic_quotes_runtime must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_runtime(0) and set_magic_quotes_runtime(1).');
- }
-
- $memory_limit = ini_get('memory_limit');
- if (eregi('([0-9]+)M', $memory_limit, $matches)) {
-
- $memory_limit = $matches[1] * 1048576;
- }
- if ($memory_limit <= 0) {
-
- } elseif ($memory_limit <= 4194304) {
- $this->warning('[SERIOUS] PHP has less than 4 Mb available memory and will very likely run out. Increase memory_limit in php.ini.');
- } elseif ($memory_limit <= 12582912) {
- $this->warning('PHP has less than 12 Mb available memory and might run out if all modules are loaded. Increase memory_limit in php.ini if needed.');
- }
-
- if ((bool)ini_get('safe_mode')) {
- $this->warning('Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbis/flac tag writing disabled.');
- }
- $initialized = true;
- }
-
- public function Analyze($filename) {
-
- $this->filename = $filename;
- $this->warnings = array ();
-
- $this->info = array ();
- $this->info['GETID3_VERSION'] = getid3::VERSION;
-
- if (preg_match('/^(ht|f)tp:\/\//', $filename)) {
- throw new getid3_exception('Remote files are not supported - please copy the file locally first.');
- }
-
- if (!$this->fp = @fopen($filename, 'rb')) {
- throw new getid3_exception('Could not open file "'.$filename.'"');
- }
-
- $this->info['filesize'] = filesize($filename);
- $this->info['avdataoffset'] = 0;
- $this->info['avdataend'] = $this->info['filesize'];
-
- if ($this->option_max_2gb_check) {
-
-
-
- fseek($this->fp, 0, SEEK_END);
- if ((($this->info['filesize'] != 0) && (ftell($this->fp) == 0)) ||
- ($this->info['filesize'] < 0) ||
- (ftell($this->fp) < 0)) {
- unset($this->info['filesize']);
- fclose($this->fp);
- throw new getid3_exception('File is most likely larger than 2GB and is not supported by PHP.');
- }
- }
-
- if (!$this->option_tag_id3v2) {
- fseek($this->fp, 0, SEEK_SET);
- $header = fread($this->fp, 10);
- if (substr($header, 0, 3) == 'ID3' && strlen($header) == 10) {
- $this->info['id3v2']['header'] = true;
- $this->info['id3v2']['majorversion'] = ord($header{3});
- $this->info['id3v2']['minorversion'] = ord($header{4});
- $this->info['avdataoffset'] += getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10;
- }
- }
-
- foreach (array ("id3v2", "id3v1", "apetag", "lyrics3") as $tag_name) {
- $option_tag = 'option_tag_' . $tag_name;
- if ($this->$option_tag) {
- $this->include_module('tag.'.$tag_name);
- try {
- $tag_class = 'getid3_' . $tag_name;
- $tag = new $tag_class($this);
- $tag->Analyze();
- }
- catch (getid3_exception $e) {
- throw $e;
- }
- }
- }
-
-
- fseek($this->fp, $this->info['avdataoffset'], SEEK_SET);
- $filedata = fread($this->fp, 32774);
-
- $file_format_array = getid3::GetFileFormatArray();
-
- foreach ($file_format_array as $name => $info) {
- if (preg_match('/'.$info['pattern'].'/s', $filedata)) {
-
- if (!@$info['module'] || !@$info['group']) {
- fclose($this->fp);
- $this->info['fileformat'] = $name;
- $this->info['mime_type'] = $info['mime_type'];
- $this->warning('Format only detected. Parsing not available yet.');
- $this->info['warning'] = $this->warnings;
- return $this->info;
- }
- $determined_format = $info;
- continue;
- }
- }
-
- if (!@$determined_format) {
-
-
- if (preg_match('/\.mp[123a]$/i', $filename)) {
- $determined_format = $file_format_array['mp3'];
- }
- else {
- fclose($this->fp);
- throw new getid3_exception('Unable to determine file format');
- }
- }
-
- unset($file_format_array);
-
- if (@$determined_format['fail_id3'] && (@$this->info['id3v1'] || @$this->info['id3v2'])) {
- if ($determined_format['fail_id3'] === 'ERROR') {
- fclose($this->fp);
- throw new getid3_exception('ID3 tags not allowed on this file type.');
- }
- elseif ($determined_format['fail_id3'] === 'WARNING') {
- @$this->info['id3v1'] and $this->warning('ID3v1 tags not allowed on this file type.');
- @$this->info['id3v2'] and $this->warning('ID3v2 tags not allowed on this file type.');
- }
- }
-
- if (@$determined_format['fail_ape'] && @$this->info['tags']['ape']) {
- if ($determined_format['fail_ape'] === 'ERROR') {
- fclose($this->fp);
- throw new getid3_exception('APE tags not allowed on this file type.');
- } elseif ($determined_format['fail_ape'] === 'WARNING') {
- $this->warning('APE tags not allowed on this file type.');
- }
- }
-
- $this->info['mime_type'] = $determined_format['mime_type'];
-
- $determined_format['include'] = 'module.'.$determined_format['group'].'.'.$determined_format['module'].'.php';
-
- if (!file_exists($this->include_path.$determined_format['include'])) {
- fclose($this->fp);
- throw new getid3_exception('Format not supported, module, '.$determined_format['include'].', was removed.');
- }
-
- $this->include_module($determined_format['group'].'.'.$determined_format['module']);
-
- $class_name = 'getid3_'.$determined_format['module'];
- if (!class_exists($class_name)) {
- throw new getid3_exception('Format not supported, module, '.$determined_format['include'].', is corrupt.');
- }
- $class = new $class_name($this);
- try {
- $this->option_analyze and $class->Analyze();
- }
- catch (getid3_exception $e) {
- throw $e;
- }
- catch (Exception $e) {
- throw new getid3_exception('Corrupt file.');
- }
-
- fclose($this->fp);
-
- if ($this->option_tags_process) {
- $this->HandleAllTags();
- }
-
- if ($this->option_extra_info) {
-
- if (@$this->info['audio']['channels'] == '1') {
- $this->info['audio']['channelmode'] = 'mono';
- } elseif (@$this->info['audio']['channels'] == '2') {
- $this->info['audio']['channelmode'] = 'stereo';
- }
-
- $combined_bitrate = 0;
- $combined_bitrate += (isset($this->info['audio']['bitrate']) ? $this->info['audio']['bitrate'] : 0);
- $combined_bitrate += (isset($this->info['video']['bitrate']) ? $this->info['video']['bitrate'] : 0);
- if (($combined_bitrate > 0) && empty($this->info['bitrate'])) {
- $this->info['bitrate'] = $combined_bitrate;
- }
- if (!isset($this->info['playtime_seconds']) && !empty($this->info['bitrate'])) {
- $this->info['playtime_seconds'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['bitrate'];
- }
-
- if (!empty($this->info['playtime_seconds']) && empty($this->info['playtime_string'])) {
- $this->info['playtime_string'] = floor(round($this->info['playtime_seconds']) / 60) . ':' . str_pad(floor(round($this->info['playtime_seconds']) % 60), 2, 0, STR_PAD_LEFT);;
- }
-
- if (@$this->info['video'] && @$this->info['video']['resolution_x'] && @$this->info['video']['resolution_y'] && @$this->info['video']['bits_per_sample']) {
-
- if (in_array($this->info['video']['dataformat'], array ('bmp', 'gif', 'jpeg', 'jpg', 'png', 'tiff'))) {
- $frame_rate = 1;
- $bitrate_compressed = $this->info['filesize'] * 8;
- }
-
- else {
- $frame_rate = @$this->info['video']['frame_rate'];
- $bitrate_compressed = @$this->info['video']['bitrate'];
- }
- if ($frame_rate && $bitrate_compressed) {
- $this->info['video']['compression_ratio'] = $bitrate_compressed / ($this->info['video']['resolution_x'] * $this->info['video']['resolution_y'] * $this->info['video']['bits_per_sample'] * $frame_rate);
- }
- }
-
- if (@$this->info['audio']['bitrate'] && @$this->info['audio']['channels'] && @$this->info['audio']['sample_rate']) {
- $this->info['audio']['compression_ratio'] = $this->info['audio']['bitrate'] / ($this->info['audio']['channels'] * $this->info['audio']['sample_rate'] * (@$this->info['audio']['bits_per_sample'] ? $this->info['audio']['bits_per_sample'] : 16));
- }
- if (@$this->info['audio']['streams']) {
- foreach ($this->info['audio']['streams'] as $stream_number => $stream_data) {
- if (@$stream_data['bitrate'] && @$stream_data['channels'] && @$stream_data['sample_rate']) {
- $this->info['audio']['streams'][$stream_number]['compression_ratio'] = $stream_data['bitrate'] / ($stream_data['channels'] * $stream_data['sample_rate'] * (@$stream_data['bits_per_sample'] ? $stream_data['bits_per_sample'] : 16));
- }
- }
- }
-
- if (@$this->info['replay_gain']) {
- if (!@$this->info['replay_gain']['reference_volume']) {
- $this->info['replay_gain']['reference_volume'] = 89;
- }
- if (isset($this->info['replay_gain']['track']['adjustment'])) {
- $this->info['replay_gain']['track']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['track']['adjustment'];
- }
- if (isset($this->info['replay_gain']['album']['adjustment'])) {
- $this->info['replay_gain']['album']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['album']['adjustment'];
- }
- if (isset($this->info['replay_gain']['track']['peak'])) {
- $this->info['replay_gain']['track']['max_noclip_gain'] = 0 - 20 * log10($this->info['replay_gain']['track']['peak']);
- }
- if (isset($this->info['replay_gain']['album']['peak'])) {
- $this->info['replay_gain']['album']['max_noclip_gain'] = 0 - 20 * log10($this->info['replay_gain']['album']['peak']);
- }
- }
-
- if (@!$this->info['audio']['streams'] && (@$this->info['audio']['bitrate'] || @$this->info['audio']['channels'] || @$this->info['audio']['sample_rate'])) {
- foreach ($this->info['audio'] as $key => $value) {
- if ($key != 'streams') {
- $this->info['audio']['streams'][0][$key] = $value;
- }
- }
- }
- }
-
- if ($this->option_md5_data || $this->option_sha1_data) {
-
- $this->include_module('lib.data_hash');
- if ($this->option_sha1_data) {
- new getid3_lib_data_hash($this, 'sha1');
- }
- if ($this->option_md5_data) {
-
- if (!$this->option_md5_data_source || !@$this->info['md5_data_source']) {
- new getid3_lib_data_hash($this, 'md5');
- }
-
- elseif ($this->option_md5_data_source && @$this->info['md5_data_source']) {
- $this->info['md5_data'] = $this->info['md5_data_source'];
- }
- }
- }
-
- if ($this->warnings) {
- $this->info['warning'] = $this->warnings;
- }
-
- return $this->info;
- }
-
- public function warnings() {
- return $this->warnings;
- }
-
- public function warning($message) {
- if (is_array($message)) {
- $this->warnings = array_merge($this->warnings, $message);
- }
- else {
- $this->warnings[] = $message;
- }
- }
-
- public function __clone() {
- $this->warnings = array ();
-
- $temp = $this->info;
- unset($this->info);
- $this->info = $temp;
- }
-
- public function iconv($in_charset, $out_charset, $string, $drop01 = false) {
- if ($drop01 && ($string === "\x00" || $string === "\x01")) {
- return '';
- }
- if (!$this->iconv_present) {
- return getid3_iconv_replacement::iconv($in_charset, $out_charset, $string);
- }
-
- if ($result = @iconv($in_charset, $out_charset.'//TRANSLIT', $string)) {
- if ($out_charset == 'ISO-8859-1') {
- return rtrim($result, "\x00");
- }
- return $result;
- }
- $this->warning('iconv() was unable to convert the string: "' . $string . '" from ' . $in_charset . ' to ' . $out_charset);
- return $string;
- }
- public function include_module($name) {
- if (!file_exists($this->include_path.'module.'.$name.'.php')) {
- throw new getid3_exception('Required module.'.$name.'.php is missing.');
- }
- include_once($this->include_path.'module.'.$name.'.php');
- }
- public function include_module_optional($name) {
- if (!file_exists($this->include_path.'module.'.$name.'.php')) {
- return;
- }
- include_once($this->include_path.'module.'.$name.'.php');
- return true;
- }
-
- public static function GetFileFormatArray() {
- static $format_info = array (
-
-
- 'ac3' => array (
- 'pattern' => '^\x0B\x77',
- 'group' => 'audio',
- 'module' => 'ac3',
- 'mime_type' => 'audio/ac3',
- ),
-
- 'adif' => array (
- 'pattern' => '^ADIF',
- 'group' => 'audio',
- 'module' => 'aac_adif',
- 'mime_type' => 'application/octet-stream',
- 'fail_ape' => 'WARNING',
- ),
-
- 'adts' => array (
- 'pattern' => '^\xFF[\xF0-\xF1\xF8-\xF9]',
- 'group' => 'audio',
- 'module' => 'aac_adts',
- 'mime_type' => 'application/octet-stream',
- 'fail_ape' => 'WARNING',
- ),
-
- 'au' => array (
- 'pattern' => '^\.snd',
- 'group' => 'audio',
- 'module' => 'au',
- 'mime_type' => 'audio/basic',
- ),
-
- 'avr' => array (
- 'pattern' => '^2BIT',
- 'group' => 'audio',
- 'module' => 'avr',
- 'mime_type' => 'application/octet-stream',
- ),
-
- 'bonk' => array (
- 'pattern' => '^\x00(BONK|INFO|META| ID3)',
- 'group' => 'audio',
- 'module' => 'bonk',
- 'mime_type' => 'audio/xmms-bonk',
- ),
-
- 'dts' => array(
- 'pattern' => '^\x7F\xFE\x80\x01',
- 'group' => 'audio',
- 'module' => 'dts',
- 'mime_type' => 'audio/dts',
- ),
-
- 'flac' => array (
- 'pattern' => '^fLaC',
- 'group' => 'audio',
- 'module' => 'xiph',
- 'mime_type' => 'audio/x-flac',
- ),
-
- 'la' => array (
- 'pattern' => '^LA0[2-4]',
- 'group' => 'audio',
- 'module' => 'la',
- 'mime_type' => 'application/octet-stream',
- ),
-
- 'lpac' => array (
- 'pattern' => '^LPAC',
- 'group' => 'audio',
- 'module' => 'lpac',
- 'mime_type' => 'application/octet-stream',
- ),
-
- 'midi' => array (
- 'pattern' => '^MThd',
- 'group' => 'audio',
- 'module' => 'midi',
- 'mime_type' => 'audio/midi',
- ),
-
- 'mac' => array (
- 'pattern' => '^MAC ',
- 'group' => 'audio',
- 'module' => 'monkey',
- 'mime_type' => 'application/octet-stream',
- ),
-
- 'mod' => array (
- 'pattern' => '^.{1080}(M.K.|[5-9]CHN|[1-3][0-9]CH)',
- 'mime_type' => 'audio/mod',
- ),
-
- 'it' => array (
- 'pattern' => '^IMPM',
- 'mime_type' => 'audio/it',
- ),
-
- 'xm' => array (
- 'pattern' => '^Extended Module',
- 'mime_type' => 'audio/xm',
- ),
-
- 's3m' => array (
- 'pattern' => '^.{44}SCRM',
- 'mime_type' => 'audio/s3m',
- ),
-
- 'mpc' => array (
- 'pattern' => '^(MP\+)',
- 'group' => 'audio',
- 'module' => 'mpc',
- 'mime_type' => 'audio/x-musepack',
- ),
-
- 'mpc_old' => array (
- 'pattern' => '^([\x00\x01\x10\x11\x40\x41\x50\x51\x80\x81\x90\x91\xC0\xC1\xD0\xD1][\x20-37][\x00\x20\x40\x60\x80\xA0\xC0\xE0])',
- 'group' => 'audio',
- 'module' => 'mpc_old',
- 'mime_type' => 'application/octet-stream',
- ),
-
- 'mp3' => array (
- 'pattern' => '^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]',
- 'group' => 'audio',
- 'module' => 'mp3',
- 'mime_type' => 'audio/mpeg',
- ),
-
- 'ofr' => array (
- 'pattern' => '^(\*RIFF|OFR)',
- 'group' => 'audio',
- 'module' => 'optimfrog',
- 'mime_type' => 'application/octet-stream',
- ),
-
- 'rkau' => array (
- 'pattern' => '^RKA',
- 'group' => 'audio',
- 'module' => 'rkau',
- 'mime_type' => 'application/octet-stream',
- ),
-
- 'shn' => array (
- 'pattern' => '^ajkg',
- 'group' => 'audio',
- 'module' => 'shorten',
- 'mime_type' => 'audio/xmms-shn',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'tta' => array (
- 'pattern' => '^TTA',
- 'group' => 'audio',
- 'module' => 'tta',
- 'mime_type' => 'application/octet-stream',
- ),
-
- 'voc' => array (
- 'pattern' => '^Creative Voice File',
- 'group' => 'audio',
- 'module' => 'voc',
- 'mime_type' => 'audio/voc',
- ),
-
- 'vqf' => array (
- 'pattern' => '^TWIN',
- 'group' => 'audio',
- 'module' => 'vqf',
- 'mime_type' => 'application/octet-stream',
- ),
-
- 'vw' => array(
- 'pattern' => '^wvpk',
- 'group' => 'audio',
- 'module' => 'wavpack',
- 'mime_type' => 'application/octet-stream',
- ),
-
-
- 'asf' => array (
- 'pattern' => '^\x30\x26\xB2\x75\x8E\x66\xCF\x11\xA6\xD9\x00\xAA\x00\x62\xCE\x6C',
- 'group' => 'audio-video',
- 'module' => 'asf',
- 'mime_type' => 'video/x-ms-asf',
- ),
-
- 'bink' => array(
- 'pattern' => '^(BIK|SMK)',
- 'mime_type' => 'application/octet-stream',
- ),
-
- 'flv' => array(
- 'pattern' => '^FLV\x01',
- 'group' => 'audio-video',
- 'module' => 'flv',
- 'mime_type' => 'video/x-flv',
- ),
-
- 'matroska' => array (
- 'pattern' => '^\x1A\x45\xDF\xA3',
- 'mime_type' => 'application/octet-stream',
- ),
-
- 'mpeg' => array (
- 'pattern' => '^\x00\x00\x01(\xBA|\xB3)',
- 'group' => 'audio-video',
- 'module' => 'mpeg',
- 'mime_type' => 'video/mpeg',
- ),
-
- 'nsv' => array (
- 'pattern' => '^NSV[sf]',
- 'group' => 'audio-video',
- 'module' => 'nsv',
- 'mime_type' => 'application/octet-stream',
- ),
-
- 'ogg' => array (
- 'pattern' => '^OggS',
- 'group' => 'audio',
- 'module' => 'xiph',
- 'mime_type' => 'application/ogg',
- 'fail_id3' => 'WARNING',
- 'fail_ape' => 'WARNING',
- ),
-
- 'quicktime' => array (
- 'pattern' => '^.{4}(cmov|free|ftyp|mdat|moov|pnot|skip|wide)',
- 'group' => 'audio-video',
- 'module' => 'quicktime',
- 'mime_type' => 'video/quicktime',
- ),
-
- 'riff' => array (
- 'pattern' => '^(RIFF|SDSS|FORM)',
- 'group' => 'audio-video',
- 'module' => 'riff',
- 'mime_type' => 'audio/x-wave',
- 'fail_ape' => 'WARNING',
- ),
-
- 'real' => array (
- 'pattern' => '^(\.RMF|.ra)',
- 'group' => 'audio-video',
- 'module' => 'real',
- 'mime_type' => 'audio/x-realaudio',
- ),
-
- 'swf' => array (
- 'pattern' => '^(F|C)WS',
- 'group' => 'audio-video',
- 'module' => 'swf',
- 'mime_type' => 'application/x-shockwave-flash',
- ),
-
-
- 'bmp' => array (
- 'pattern' => '^BM',
- 'group' => 'graphic',
- 'module' => 'bmp',
- 'mime_type' => 'image/bmp',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'gif' => array (
- 'pattern' => '^GIF',
- 'group' => 'graphic',
- 'module' => 'gif',
- 'mime_type' => 'image/gif',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'jpeg' => array (
- 'pattern' => '^\xFF\xD8\xFF',
- 'group' => 'graphic',
- 'module' => 'jpeg',
- 'mime_type' => 'image/jpeg',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'pcd' => array (
- 'pattern' => '^.{2048}PCD_IPI\x00',
- 'group' => 'graphic',
- 'module' => 'pcd',
- 'mime_type' => 'image/x-photo-cd',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'png' => array (
- 'pattern' => '^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A',
- 'group' => 'graphic',
- 'module' => 'png',
- 'mime_type' => 'image/png',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'svg' => array(
- 'pattern' => '<!DOCTYPE svg PUBLIC ',
- 'mime_type' => 'image/svg+xml',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'tiff' => array (
- 'pattern' => '^(II\x2A\x00|MM\x00\x2A)',
- 'group' => 'graphic',
- 'module' => 'tiff',
- 'mime_type' => 'image/tiff',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'exe' => array(
- 'pattern' => '^MZ',
- 'mime_type' => 'application/octet-stream',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'iso' => array (
- 'pattern' => '^.{32769}CD001',
- 'group' => 'misc',
- 'module' => 'iso',
- 'mime_type' => 'application/octet-stream',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'rar' => array(
- 'pattern' => '^Rar\!',
- 'mime_type' => 'application/octet-stream',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'szip' => array (
- 'pattern' => '^SZ\x0A\x04',
- 'group' => 'archive',
- 'module' => 'szip',
- 'mime_type' => 'application/octet-stream',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'tar' => array(
- 'pattern' => '^.{100}[0-9\x20]{7}\x00[0-9\x20]{7}\x00[0-9\x20]{7}\x00[0-9\x20\x00]{12}[0-9\x20\x00]{12}',
- 'group' => 'archive',
- 'module' => 'tar',
- 'mime_type' => 'application/x-tar',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'gz' => array(
- 'pattern' => '^\x1F\x8B\x08',
- 'group' => 'archive',
- 'module' => 'gzip',
- 'mime_type' => 'application/x-gzip',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'zip' => array (
- 'pattern' => '^PK\x03\x04',
- 'group' => 'archive',
- 'module' => 'zip',
- 'mime_type' => 'application/zip',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'par2' => array (
- 'pattern' => '^PAR2\x00PKT',
- 'mime_type' => 'application/octet-stream',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'pdf' => array(
- 'pattern' => '^\x25PDF',
- 'mime_type' => 'application/pdf',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
-
- 'msoffice' => array(
- 'pattern' => '^\xD0\xCF\x11\xE0',
- 'mime_type' => 'application/octet-stream',
- 'fail_id3' => 'ERROR',
- 'fail_ape' => 'ERROR',
- ),
- );
- return $format_info;
- }
-
- function CharConvert(&$array, $encoding) {
-
- if ($encoding == $this->encoding) {
- return;
- }
-
- foreach ($array as $key => $value) {
-
- if (is_array($value)) {
- $this->CharConvert($array[$key], $encoding);
- }
-
- elseif (is_string($value)) {
- $array[$key] = $this->iconv($encoding, $this->encoding, $value);
- }
- }
- }
-
- protected function HandleAllTags() {
-
- static $tags = array (
- 'asf' => array ('asf', 'UTF-16LE'),
- 'midi' => array ('midi', 'ISO-8859-1'),
- 'nsv' => array ('nsv', 'ISO-8859-1'),
- 'ogg' => array ('vorbiscomment', 'UTF-8'),
- 'png' => array ('png', 'UTF-8'),
- 'tiff' => array ('tiff', 'ISO-8859-1'),
- 'quicktime' => array ('quicktime', 'ISO-8859-1'),
- 'real' => array ('real', 'ISO-8859-1'),
- 'vqf' => array ('vqf', 'ISO-8859-1'),
- 'zip' => array ('zip', 'ISO-8859-1'),
- 'riff' => array ('riff', 'ISO-8859-1'),
- 'lyrics3' => array ('lyrics3', 'ISO-8859-1'),
- 'id3v1' => array ('id3v1', ''),
- 'id3v2' => array ('id3v2', 'UTF-8'),
- 'ape' => array ('ape', 'UTF-8')
- );
- $tags['id3v1'][1] = $this->encoding_id3v1;
-
- foreach ($tags as $comment_name => $tag_name_encoding_array) {
- list($tag_name, $encoding) = $tag_name_encoding_array;
-
- @$this->info[$comment_name] and $this->info[$comment_name]['encoding'] = $encoding;
-
- if (@$this->info[$comment_name]['comments']) {
- foreach ($this->info[$comment_name]['comments'] as $tag_key => $value_array) {
- foreach ($value_array as $key => $value) {
- if (strlen(trim($value)) > 0) {
- $this->info['tags'][$tag_name][trim($tag_key)][] = $value;
- }
- }
- }
- if (!@$this->info['tags'][$tag_name]) {
-
- continue;
- }
- $this->CharConvert($this->info['tags'][$tag_name], $encoding);
- }
- }
-
- if (@$this->info['tags']) {
- foreach ($this->info['tags'] as $tag_type => $tag_array) {
- foreach ($tag_array as $tag_name => $tagdata) {
- foreach ($tagdata as $key => $value) {
- if (!empty($value)) {
- if (empty($this->info['comments'][$tag_name])) {
-
- }
- elseif ($tag_type == 'id3v1') {
- $new_value_length = strlen(trim($value));
- foreach ($this->info['comments'][$tag_name] as $existing_key => $existing_value) {
- $old_value_length = strlen(trim($existing_value));
- if (($new_value_length <= $old_value_length) && (substr($existing_value, 0, $new_value_length) == trim($value))) {
-
- break 2;
- }
- }
- }
- else {
- $new_value_length = strlen(trim($value));
- foreach ($this->info['comments'][$tag_name] as $existing_key => $existing_value) {
- $old_value_length = strlen(trim($existing_value));
- if (($new_value_length > $old_value_length) && (substr(trim($value), 0, strlen($existing_value)) == $existing_value)) {
- $this->info['comments'][$tag_name][$existing_key] = trim($value);
- break 2;
- }
- }
- }
- if (empty($this->info['comments'][$tag_name]) || !in_array(trim($value), $this->info['comments'][$tag_name])) {
- $this->info['comments'][$tag_name][] = trim($value);
- }
- }
- }
- }
- }
- }
- return true;
- }
- }
- abstract class getid3_handler
- {
- protected $getid3;
- protected $data_string_flag = false;
- protected $data_string;
- protected $data_string_position = 0;
- public function __construct(getID3 $getid3) {
- $this->getid3 = $getid3;
- }
-
- abstract public function Analyze();
-
- public function AnalyzeString(&$string) {
-
- $this->data_string_flag = true;
- $this->data_string = $string;
-
- $saved_avdataoffset = $this->getid3->info['avdataoffset'];
- $saved_avdataend = $this->getid3->info['avdataend'];
- $saved_filesize = $this->getid3->info['filesize'];
-
- $this->getid3->info['avdataoffset'] = 0;
- $this->getid3->info['avdataend'] = $this->getid3->info['filesize'] = strlen($string);
-
- $this->Analyze();
-
- $this->getid3->info['avdataoffset'] = $saved_avdataoffset;
- $this->getid3->info['avdataend'] = $saved_avdataend;
- $this->getid3->info['filesize'] = $saved_filesize;
-
- $this->data_string_flag = false;
- }
- protected function ftell() {
- if ($this->data_string_flag) {
- return $this->data_string_position;
- }
- return ftell($this->getid3->fp);
- }
- protected function fread($bytes) {
- if ($this->data_string_flag) {
- $this->data_string_position += $bytes;
- return substr($this->data_string, $this->data_string_position - $bytes, $bytes);
- }
- return fread($this->getid3->fp, $bytes);
- }
- protected function fseek($bytes, $whence = SEEK_SET) {
- if ($this->data_string_flag) {
- switch ($whence) {
- case SEEK_SET:
- $this->data_string_position = $bytes;
- return;
- case SEEK_CUR:
- $this->data_string_position += $bytes;
- return;
- case SEEK_END:
- $this->data_string_position = strlen($this->data_string) + $bytes;
- return;
- }
- }
- return fseek($this->getid3->fp, $bytes, $whence);
- }
- }
- abstract class getid3_handler_write
- {
- protected $filename;
- protected $user_abort;
- private $fp_lock;
- private $owner;
- private $group;
- private $perms;
- public function __construct($filename) {
- if (!file_exists($filename)) {
- throw new getid3_exception('File does not exist: "' . $filename . '"');
- }
- if (!is_writeable($filename)) {
- throw new getid3_exception('File is not writeable: "' . $filename . '"');
- }
- if (!is_writeable(dirname($filename))) {
- throw new getid3_exception('Directory is not writeable: ' . dirname($filename) . ' (need to write lock file).');
- }
- $this->user_abort = ignore_user_abort(true);
- $this->fp_lock = fopen($filename . '.getid3.lock', 'w');
- flock($this->fp_lock, LOCK_EX);
- $this->filename = $filename;
- }
- public function __destruct() {
- flock($this->fp_lock, LOCK_UN);
- fclose($this->fp_lock);
- unlink($this->filename . '.getid3.lock');
- ignore_user_abort($this->user_abort);
- }
- protected function save_permissions() {
- $this->owner = fileowner($this->filename);
- $this->group = filegroup($this->filename);
- $this->perms = fileperms($this->filename);
- }
- protected function restore_permissions() {
- @chown($this->filename, $this->owner);
- @chgrp($this->filename, $this->group);
- @chmod($this->filename, $this->perms);
- }
- abstract public function read();
- abstract public function write();
- abstract public function remove();
- }
- class getid3_exception extends Exception
- {
- public $message;
- }
- class getid3_lib
- {
-
- public static function LittleEndian2Int($byte_word, $signed = false) {
- return getid3_lib::BigEndian2Int(strrev($byte_word), $signed);
- }
-
- public static function LittleEndian2String($number, $minbytes=1, $synchsafe=false) {
- $intstring = '';
- while ($number > 0) {
- if ($synchsafe) {
- $intstring = $intstring.chr($number & 127);
- $number >>= 7;
- } else {
- $intstring = $intstring.chr($number & 255);
- $number >>= 8;
- }
- }
- return str_pad($intstring, $minbytes, "\x00", STR_PAD_RIGHT);
- }
-
- public static function BigEndian2Int($byte_word, $signed = false) {
- $int_value = 0;
- $byte_wordlen = strlen($byte_word);
- for ($i = 0; $i < $byte_wordlen; $i++) {
- $int_value += ord($byte_word{$i}) * pow(256, ($byte_wordlen - 1 - $i));
- }
- if ($signed) {
- $sign_mask_bit = 0x80 << (8 * ($byte_wordlen - 1));
- if ($int_value & $sign_mask_bit) {
- $int_value = 0 - ($int_value & ($sign_mask_bit - 1));
- }
- }
- return $int_value;
- }
-
- public static function BigEndianSyncSafe2Int($byte_word) {
- $int_value = 0;
- $byte_wordlen = strlen($byte_word);
-
- for ($i = 0; $i < $byte_wordlen; $i++) {
- $int_value = $int_value | (ord($byte_word{$i}) & 0x7F) << (($byte_wordlen - 1 - $i) * 7);
- }
- return $int_value;
- }
-
- public static function BigEndian2Bin($byte_word) {
- $bin_value = '';
- $byte_wordlen = strlen($byte_word);
- for ($i = 0; $i < $byte_wordlen; $i++) {
- $bin_value .= str_pad(decbin(ord($byte_word{$i})), 8, '0', STR_PAD_LEFT);
- }
- return $bin_value;
- }
- public static function BigEndian2Float($byte_word) {
-
-
-
- $bit_word = getid3_lib::BigEndian2Bin($byte_word);
- if (!$bit_word) {
- return 0;
- }
- $sign_bit = $bit_word{0};
- switch (strlen($byte_word) * 8) {
- case 32:
- $exponent_bits = 8;
- $fraction_bits = 23;
- break;
- case 64:
- $exponent_bits = 11;
- $fraction_bits = 52;
- break;
- case 80:
-
-
- $exponent_string = substr($bit_word, 1, 15);
- $is_normalized = intval($bit_word{16});
- $fraction_string = substr($bit_word, 17, 63);
- $exponent = pow(2, getid3_lib::Bin2Dec($exponent_string) - 16383);
- $fraction = $is_normalized + getid3_lib::DecimalBinary2Float($fraction_string);
- $float_value = $exponent * $fraction;
- if ($sign_bit == '1') {
- $float_value *= -1;
- }
- return $float_value;
- break;
- default:
- return false;
- break;
- }
- $exponent_string = substr($bit_word, 1, $exponent_bits);
- $fraction_string = substr($bit_word, $exponent_bits + 1, $fraction_bits);
- $exponent = bindec($exponent_string);
- $fraction = bindec($fraction_string);
- if (($exponent == (pow(2, $exponent_bits) - 1)) && ($fraction != 0)) {
-
- $float_value = false;
- } elseif (($exponent == (pow(2, $exponent_bits) - 1)) && ($fraction == 0)) {
- if ($sign_bit == '1') {
- $float_value = '-infinity';
- } else {
- $float_value = '+infinity';
- }
- } elseif (($exponent == 0) && ($fraction == 0)) {
- if ($sign_bit == '1') {
- $float_value = -0;
- } else {
- $float_value = 0;
- }
- $float_value = ($sign_bit ? 0 : -0);
- } elseif (($exponent == 0) && ($fraction != 0)) {
-
- $float_value = pow(2, (-1 * (pow(2, $exponent_bits - 1) - 2))) * getid3_lib::DecimalBinary2Float($fraction_string);
- if ($sign_bit == '1') {
- $float_value *= -1;
- }
- } elseif ($exponent != 0) {
- $float_value = pow(2, ($exponent - (pow(2, $exponent_bits - 1) - 1))) * (1 + getid3_lib::DecimalBinary2Float($fraction_string));
- if ($sign_bit == '1') {
- $float_value *= -1;
- }
- }
- return (float) $float_value;
- }
- public static function LittleEndian2Float($byte_word) {
- return getid3_lib::BigEndian2Float(strrev($byte_word));
- }
- public static function DecimalBinary2Float($binary_numerator) {
- $numerator = bindec($binary_numerator);
- $denominator = bindec('1'.str_repeat('0', strlen($binary_numerator)));
- return ($numerator / $denominator);
- }
- public static function PrintHexBytes($string, $hex=true, $spaces=true, $html_safe=true) {
- $return_string = '';
- for ($i = 0; $i < strlen($string); $i++) {
- if ($hex) {
- $return_string .= str_pad(dechex(ord($string{$i})), 2, '0', STR_PAD_LEFT);
- } else {
- $return_string .= ' '.(ereg("[\x20-\x7E]", $string{$i}) ? $string{$i} : '�');
- }
- if ($spaces) {
- $return_string .= ' ';
- }
- }
- if ($html_safe) {
- $return_string = htmlentities($return_string);
- }
- return $return_string;
- }
-
-
-
-
-
- public static function ReadSequence($algorithm, &$target, &$data, $offset, $parts_array) {
-
- foreach ($parts_array as $target_string => $length) {
-
- if (!strstr($target_string, 'IGNORE')) {
-
- if ($length < 0) {
- $target[$target_string] = substr($data, $offset, -$length);
- }
-
- else {
- $target[$target_string] = getid3_lib::$algorithm(substr($data, $offset, $length));
- }
- }
-
- $offset += abs($length);
- }
- }
- }
- class getid3_lib_replaygain
- {
- public static function NameLookup($name_code) {
- static $lookup = array (
- 0 => 'not set',
- 1 => 'Track Gain Adjustment',
- 2 => 'Album Gain Adjustment'
- );
- return @$lookup[$name_code];
- }
- public static function OriginatorLookup($originator_code) {
- static $lookup = array (
- 0 => 'unspecified',
- 1 => 'pre-set by artist/producer/mastering engineer',
- 2 => 'set by user',
- 3 => 'determined automatically'
- );
- return @$lookup[$originator_code];
- }
- public static function AdjustmentLookup($raw_adjustment, $sign_bit) {
- return (float)$raw_adjustment / 10 * ($sign_bit == 1 ? -1 : 1);
- }
- public static function GainString($name_code, $originator_code, $replaygain) {
- $sign_bit = $replaygain < 0 ? 1 : 0;
- $stored_replaygain = intval(round($replaygain * 10));
- $gain_string = str_pad(decbin($name_code), 3, '0', STR_PAD_LEFT);
- $gain_string .= str_pad(decbin($originator_code), 3, '0', STR_PAD_LEFT);
- $gain_string .= $sign_bit;
- $gain_string .= str_pad(decbin($stored_replaygain), 9, '0', STR_PAD_LEFT);
- return $gain_string;
- }
- }
- ?>
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