rlm@3: <?php
rlm@3: // +----------------------------------------------------------------------+
rlm@3: // | PHP version 5 |
rlm@3: // +----------------------------------------------------------------------+
rlm@3: // | Copyright (c) 2002-2006 James Heinrich, Allan Hansen |
rlm@3: // +----------------------------------------------------------------------+
rlm@3: // | This source file is subject to version 2 of the GPL license, |
rlm@3: // | that is bundled with this package in the file license.txt and is |
rlm@3: // | available through the world-wide-web at the following url: |
rlm@3: // | http://www.gnu.org/copyleft/gpl.html |
rlm@3: // +----------------------------------------------------------------------+
rlm@3: // | getID3() - http://getid3.sourceforge.net or http://www.getid3.org |
rlm@3: // +----------------------------------------------------------------------+
rlm@3: // | Authors: James Heinrich <infoØgetid3*org> |
rlm@3: // | Allan Hansen <ahØartemis*dk> |
rlm@3: // +----------------------------------------------------------------------+
rlm@3: // | getid3.php |
rlm@3: // | Main getID3() file. |
rlm@3: // | dependencies: modules. |
rlm@3: // +----------------------------------------------------------------------+
rlm@3: //
rlm@3: // $Id: getid3.php,v 1.26 2006/12/25 23:44:23 ah Exp $
rlm@3:
rlm@3:
rlm@3: class getid3
rlm@3: {
rlm@3: //// Settings Section - do NOT modify this file - change setting after newing getid3!
rlm@3:
rlm@3: // Encoding
rlm@3: public $encoding = 'ISO-8859-1'; // CASE SENSITIVE! - i.e. (must be supported by iconv() - see http://www.gnu.org/software/libiconv/). Examples: ISO-8859-1 UTF-8 UTF-16 UTF-16BE.
rlm@3: public $encoding_id3v1 = 'ISO-8859-1'; // Override SPECIFICATION encoding for broken ID3v1 tags caused by bad tag programs. Examples: 'EUC-CN' for "Chinese MP3s" and 'CP1251' for "Cyrillic".
rlm@3: public $encoding_id3v2 = 'ISO-8859-1'; // Override ISO-8859-1 encoding for broken ID3v2 tags caused by BRAINDEAD tag programs that writes system codepage as 'ISO-8859-1' instead of UTF-8.
rlm@3:
rlm@3: // Tags - disable for speed
rlm@3: public $option_tag_id3v1 = true; // Read and process ID3v1 tags.
rlm@3: public $option_tag_id3v2 = true; // Read and process ID3v2 tags.
rlm@3: public $option_tag_lyrics3 = true; // Read and process Lyrics3 tags.
rlm@3: public $option_tag_apetag = true; // Read and process APE tags.
rlm@3:
rlm@3: // Misc calucations - disable for speed
rlm@3: public $option_analyze = true; // Analyze file - disable if you only need to detect file format.
rlm@3: public $option_accurate_results = true; // Disable to greatly speed up parsing of some file formats at the cost of accuracy.
rlm@3: public $option_tags_process = true; // Copy tags to root key 'tags' and 'comments' and encode to $this->encoding.
rlm@3: public $option_tags_images = false; // Scan tags for binary image data - ID3v2 and vorbiscomments only.
rlm@3: public $option_extra_info = true; // Calculate/return additional info such as bitrate, channelmode etc.
rlm@3: public $option_max_2gb_check = false; // Check whether file is larger than 2 Gb and thus not supported by PHP.
rlm@3:
rlm@3: // Misc data hashes - slow - require hash module
rlm@3: public $option_md5_data = false; // Get MD5 sum of data part - slow.
rlm@3: public $option_md5_data_source = false; // Use MD5 of source file if available - only FLAC, MAC, OptimFROG and Wavpack4.
rlm@3: public $option_sha1_data = false; // Get SHA1 sum of data part - slow.
rlm@3:
rlm@3: // Public variables
rlm@3: public $filename; // Filename of file being analysed.
rlm@3: public $fp; // Filepointer to file being analysed.
rlm@3: public $info; // Result array.
rlm@3:
rlm@3: // Protected variables
rlm@3: protected $include_path; // getid3 include path.
rlm@3: protected $warnings = array ();
rlm@3: protected $iconv_present;
rlm@3:
rlm@3: // Class constants
rlm@3: const VERSION = '2.0.0b4';
rlm@3: const FREAD_BUFFER_SIZE = 16384; // Read buffer size in bytes.
rlm@3: const ICONV_TEST_STRING = ' !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ';
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Constructor - check PHP enviroment and load library.
rlm@3: public function __construct() {
rlm@3:
rlm@3: // Static varibles - no need to recalc every time we new getid3.
rlm@3: static $include_path;
rlm@3: static $iconv_present;
rlm@3:
rlm@3:
rlm@3: static $initialized;
rlm@3: if ($initialized) {
rlm@3:
rlm@3: // Import static variables
rlm@3: $this->include_path = $include_path;
rlm@3: $this->iconv_present = $iconv_present;
rlm@3:
rlm@3: // Run init checks only on first instance.
rlm@3: return;
rlm@3: }
rlm@3:
rlm@3: // Get include_path
rlm@3: $this->include_path = $include_path = dirname(__FILE__) . '/';
rlm@3:
rlm@3: // Check for presence of iconv() and make sure it works (simpel test only).
rlm@3: if (function_exists('iconv') && @iconv('UTF-16LE', 'ISO-8859-1', @iconv('ISO-8859-1', 'UTF-16LE', getid3::ICONV_TEST_STRING)) == getid3::ICONV_TEST_STRING) {
rlm@3: $this->iconv_present = $iconv_present = true;
rlm@3: }
rlm@3:
rlm@3: // iconv() not present - load replacement module.
rlm@3: else {
rlm@3: $this->include_module('lib.iconv_replacement');
rlm@3: $this->iconv_present = $iconv_present = false;
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // Require magic_quotes_runtime off
rlm@3: if (get_magic_quotes_runtime()) {
rlm@3: 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).');
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // Check memory limit.
rlm@3: $memory_limit = ini_get('memory_limit');
rlm@3: if (eregi('([0-9]+)M', $memory_limit, $matches)) {
rlm@3: // could be stored as "16M" rather than 16777216 for example
rlm@3: $memory_limit = $matches[1] * 1048576;
rlm@3: }
rlm@3: if ($memory_limit <= 0) {
rlm@3: // Should not happen.
rlm@3: } elseif ($memory_limit <= 4194304) {
rlm@3: $this->warning('[SERIOUS] PHP has less than 4 Mb available memory and will very likely run out. Increase memory_limit in php.ini.');
rlm@3: } elseif ($memory_limit <= 12582912) {
rlm@3: $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.');
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // Check safe_mode off
rlm@3: if ((bool)ini_get('safe_mode')) {
rlm@3: $this->warning('Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbis/flac tag writing disabled.');
rlm@3: }
rlm@3:
rlm@3: $initialized = true;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Analyze file by name
rlm@3: public function Analyze($filename) {
rlm@3:
rlm@3: // Init and save values
rlm@3: $this->filename = $filename;
rlm@3: $this->warnings = array ();
rlm@3:
rlm@3: // Init result array and set parameters
rlm@3: $this->info = array ();
rlm@3: $this->info['GETID3_VERSION'] = getid3::VERSION;
rlm@3:
rlm@3: // Remote files not supported
rlm@3: if (preg_match('/^(ht|f)tp:\/\//', $filename)) {
rlm@3: throw new getid3_exception('Remote files are not supported - please copy the file locally first.');
rlm@3: }
rlm@3:
rlm@3: // Open local file
rlm@3: if (!$this->fp = @fopen($filename, 'rb')) {
rlm@3: throw new getid3_exception('Could not open file "'.$filename.'"');
rlm@3: }
rlm@3:
rlm@3: // Set filesize related parameters
rlm@3: $this->info['filesize'] = filesize($filename);
rlm@3: $this->info['avdataoffset'] = 0;
rlm@3: $this->info['avdataend'] = $this->info['filesize'];
rlm@3:
rlm@3: // Option_max_2gb_check
rlm@3: if ($this->option_max_2gb_check) {
rlm@3: // PHP doesn't support integers larger than 31-bit (~2GB)
rlm@3: // filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize
rlm@3: // ftell() returns 0 if seeking to the end is beyond the range of unsigned integer
rlm@3: fseek($this->fp, 0, SEEK_END);
rlm@3: if ((($this->info['filesize'] != 0) && (ftell($this->fp) == 0)) ||
rlm@3: ($this->info['filesize'] < 0) ||
rlm@3: (ftell($this->fp) < 0)) {
rlm@3: unset($this->info['filesize']);
rlm@3: fclose($this->fp);
rlm@3: throw new getid3_exception('File is most likely larger than 2GB and is not supported by PHP.');
rlm@3: }
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // ID3v2 detection (NOT parsing) done to make fileformat easier.
rlm@3: if (!$this->option_tag_id3v2) {
rlm@3:
rlm@3: fseek($this->fp, 0, SEEK_SET);
rlm@3: $header = fread($this->fp, 10);
rlm@3: if (substr($header, 0, 3) == 'ID3' && strlen($header) == 10) {
rlm@3: $this->info['id3v2']['header'] = true;
rlm@3: $this->info['id3v2']['majorversion'] = ord($header{3});
rlm@3: $this->info['id3v2']['minorversion'] = ord($header{4});
rlm@3: $this->info['avdataoffset'] += getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length
rlm@3: }
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // Handle tags
rlm@3: foreach (array ("id3v2", "id3v1", "apetag", "lyrics3") as $tag_name) {
rlm@3:
rlm@3: $option_tag = 'option_tag_' . $tag_name;
rlm@3: if ($this->$option_tag) {
rlm@3: $this->include_module('tag.'.$tag_name);
rlm@3: try {
rlm@3: $tag_class = 'getid3_' . $tag_name;
rlm@3: $tag = new $tag_class($this);
rlm@3: $tag->Analyze();
rlm@3: }
rlm@3: catch (getid3_exception $e) {
rlm@3: throw $e;
rlm@3: }
rlm@3: }
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: //// Determine file format by magic bytes in file header.
rlm@3:
rlm@3: // Read 32 kb file data
rlm@3: fseek($this->fp, $this->info['avdataoffset'], SEEK_SET);
rlm@3: $filedata = fread($this->fp, 32774);
rlm@3:
rlm@3: // Get huge FileFormatArray
rlm@3: $file_format_array = getid3::GetFileFormatArray();
rlm@3:
rlm@3: // Identify file format - loop through $format_info and detect with reg expr
rlm@3: foreach ($file_format_array as $name => $info) {
rlm@3:
rlm@3: if (preg_match('/'.$info['pattern'].'/s', $filedata)) { // The /s switch on preg_match() forces preg_match() NOT to treat newline (0x0A) characters as special chars but do a binary match
rlm@3:
rlm@3: // Format detected but not supported
rlm@3: if (!@$info['module'] || !@$info['group']) {
rlm@3: fclose($this->fp);
rlm@3: $this->info['fileformat'] = $name;
rlm@3: $this->info['mime_type'] = $info['mime_type'];
rlm@3: $this->warning('Format only detected. Parsing not available yet.');
rlm@3: $this->info['warning'] = $this->warnings;
rlm@3: return $this->info;
rlm@3: }
rlm@3:
rlm@3: $determined_format = $info; // copy $info deleted by foreach()
rlm@3: continue;
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: // Unable to determine file format
rlm@3: if (!@$determined_format) {
rlm@3:
rlm@3: // Too many mp3 encoders on the market put gabage in front of mpeg files
rlm@3: // use assume format on these if format detection failed
rlm@3: if (preg_match('/\.mp[123a]$/i', $filename)) {
rlm@3: $determined_format = $file_format_array['mp3'];
rlm@3: }
rlm@3:
rlm@3: else {
rlm@3: fclose($this->fp);
rlm@3: throw new getid3_exception('Unable to determine file format');
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: // Free memory
rlm@3: unset($file_format_array);
rlm@3:
rlm@3: // Check for illegal ID3 tags
rlm@3: if (@$determined_format['fail_id3'] && (@$this->info['id3v1'] || @$this->info['id3v2'])) {
rlm@3: if ($determined_format['fail_id3'] === 'ERROR') {
rlm@3: fclose($this->fp);
rlm@3: throw new getid3_exception('ID3 tags not allowed on this file type.');
rlm@3: }
rlm@3: elseif ($determined_format['fail_id3'] === 'WARNING') {
rlm@3: @$this->info['id3v1'] and $this->warning('ID3v1 tags not allowed on this file type.');
rlm@3: @$this->info['id3v2'] and $this->warning('ID3v2 tags not allowed on this file type.');
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: // Check for illegal APE tags
rlm@3: if (@$determined_format['fail_ape'] && @$this->info['tags']['ape']) {
rlm@3: if ($determined_format['fail_ape'] === 'ERROR') {
rlm@3: fclose($this->fp);
rlm@3: throw new getid3_exception('APE tags not allowed on this file type.');
rlm@3: } elseif ($determined_format['fail_ape'] === 'WARNING') {
rlm@3: $this->warning('APE tags not allowed on this file type.');
rlm@3: }
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // Set mime type
rlm@3: $this->info['mime_type'] = $determined_format['mime_type'];
rlm@3:
rlm@3: // Calc module file name
rlm@3: $determined_format['include'] = 'module.'.$determined_format['group'].'.'.$determined_format['module'].'.php';
rlm@3:
rlm@3: // Supported format signature pattern detected, but module deleted.
rlm@3: if (!file_exists($this->include_path.$determined_format['include'])) {
rlm@3: fclose($this->fp);
rlm@3: throw new getid3_exception('Format not supported, module, '.$determined_format['include'].', was removed.');
rlm@3: }
rlm@3:
rlm@3: // Include module
rlm@3: $this->include_module($determined_format['group'].'.'.$determined_format['module']);
rlm@3:
rlm@3: // Instantiate module class and analyze
rlm@3: $class_name = 'getid3_'.$determined_format['module'];
rlm@3: if (!class_exists($class_name)) {
rlm@3: throw new getid3_exception('Format not supported, module, '.$determined_format['include'].', is corrupt.');
rlm@3: }
rlm@3: $class = new $class_name($this);
rlm@3:
rlm@3: try {
rlm@3: $this->option_analyze and $class->Analyze();
rlm@3: }
rlm@3: catch (getid3_exception $e) {
rlm@3: throw $e;
rlm@3: }
rlm@3: catch (Exception $e) {
rlm@3: throw new getid3_exception('Corrupt file.');
rlm@3: }
rlm@3:
rlm@3: // Close file
rlm@3: fclose($this->fp);
rlm@3:
rlm@3: // Optional - Process all tags - copy to 'tags' and convert charsets
rlm@3: if ($this->option_tags_process) {
rlm@3: $this->HandleAllTags();
rlm@3: }
rlm@3:
rlm@3:
rlm@3: //// Optional - perform more calculations
rlm@3: if ($this->option_extra_info) {
rlm@3:
rlm@3: // Set channelmode on audio
rlm@3: if (@$this->info['audio']['channels'] == '1') {
rlm@3: $this->info['audio']['channelmode'] = 'mono';
rlm@3: } elseif (@$this->info['audio']['channels'] == '2') {
rlm@3: $this->info['audio']['channelmode'] = 'stereo';
rlm@3: }
rlm@3:
rlm@3: // Calculate combined bitrate - audio + video
rlm@3: $combined_bitrate = 0;
rlm@3: $combined_bitrate += (isset($this->info['audio']['bitrate']) ? $this->info['audio']['bitrate'] : 0);
rlm@3: $combined_bitrate += (isset($this->info['video']['bitrate']) ? $this->info['video']['bitrate'] : 0);
rlm@3: if (($combined_bitrate > 0) && empty($this->info['bitrate'])) {
rlm@3: $this->info['bitrate'] = $combined_bitrate;
rlm@3: }
rlm@3: if (!isset($this->info['playtime_seconds']) && !empty($this->info['bitrate'])) {
rlm@3: $this->info['playtime_seconds'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['bitrate'];
rlm@3: }
rlm@3:
rlm@3: // Set playtime string
rlm@3: if (!empty($this->info['playtime_seconds']) && empty($this->info['playtime_string'])) {
rlm@3: $this->info['playtime_string'] = floor(round($this->info['playtime_seconds']) / 60) . ':' . str_pad(floor(round($this->info['playtime_seconds']) % 60), 2, 0, STR_PAD_LEFT);;
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // CalculateCompressionRatioVideo() {
rlm@3: if (@$this->info['video'] && @$this->info['video']['resolution_x'] && @$this->info['video']['resolution_y'] && @$this->info['video']['bits_per_sample']) {
rlm@3:
rlm@3: // From static image formats
rlm@3: if (in_array($this->info['video']['dataformat'], array ('bmp', 'gif', 'jpeg', 'jpg', 'png', 'tiff'))) {
rlm@3: $frame_rate = 1;
rlm@3: $bitrate_compressed = $this->info['filesize'] * 8;
rlm@3: }
rlm@3:
rlm@3: // From video formats
rlm@3: else {
rlm@3: $frame_rate = @$this->info['video']['frame_rate'];
rlm@3: $bitrate_compressed = @$this->info['video']['bitrate'];
rlm@3: }
rlm@3:
rlm@3: if ($frame_rate && $bitrate_compressed) {
rlm@3: $this->info['video']['compression_ratio'] = $bitrate_compressed / ($this->info['video']['resolution_x'] * $this->info['video']['resolution_y'] * $this->info['video']['bits_per_sample'] * $frame_rate);
rlm@3: }
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // CalculateCompressionRatioAudio() {
rlm@3: if (@$this->info['audio']['bitrate'] && @$this->info['audio']['channels'] && @$this->info['audio']['sample_rate']) {
rlm@3: $this->info['audio']['compression_ratio'] = $this->info['audio']['bitrate'] / ($this->info['audio']['channels'] * $this->info['audio']['sample_rate'] * (@$this->info['audio']['bits_per_sample'] ? $this->info['audio']['bits_per_sample'] : 16));
rlm@3: }
rlm@3:
rlm@3: if (@$this->info['audio']['streams']) {
rlm@3: foreach ($this->info['audio']['streams'] as $stream_number => $stream_data) {
rlm@3: if (@$stream_data['bitrate'] && @$stream_data['channels'] && @$stream_data['sample_rate']) {
rlm@3: $this->info['audio']['streams'][$stream_number]['compression_ratio'] = $stream_data['bitrate'] / ($stream_data['channels'] * $stream_data['sample_rate'] * (@$stream_data['bits_per_sample'] ? $stream_data['bits_per_sample'] : 16));
rlm@3: }
rlm@3: }
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // CalculateReplayGain() {
rlm@3: if (@$this->info['replay_gain']) {
rlm@3: if (!@$this->info['replay_gain']['reference_volume']) {
rlm@3: $this->info['replay_gain']['reference_volume'] = 89;
rlm@3: }
rlm@3: if (isset($this->info['replay_gain']['track']['adjustment'])) {
rlm@3: $this->info['replay_gain']['track']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['track']['adjustment'];
rlm@3: }
rlm@3: if (isset($this->info['replay_gain']['album']['adjustment'])) {
rlm@3: $this->info['replay_gain']['album']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['album']['adjustment'];
rlm@3: }
rlm@3:
rlm@3: if (isset($this->info['replay_gain']['track']['peak'])) {
rlm@3: $this->info['replay_gain']['track']['max_noclip_gain'] = 0 - 20 * log10($this->info['replay_gain']['track']['peak']);
rlm@3: }
rlm@3: if (isset($this->info['replay_gain']['album']['peak'])) {
rlm@3: $this->info['replay_gain']['album']['max_noclip_gain'] = 0 - 20 * log10($this->info['replay_gain']['album']['peak']);
rlm@3: }
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // ProcessAudioStreams() {
rlm@3: if (@!$this->info['audio']['streams'] && (@$this->info['audio']['bitrate'] || @$this->info['audio']['channels'] || @$this->info['audio']['sample_rate'])) {
rlm@3: foreach ($this->info['audio'] as $key => $value) {
rlm@3: if ($key != 'streams') {
rlm@3: $this->info['audio']['streams'][0][$key] = $value;
rlm@3: }
rlm@3: }
rlm@3: }
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // Get the md5/sha1sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags.
rlm@3: if ($this->option_md5_data || $this->option_sha1_data) {
rlm@3:
rlm@3: // Load data-hash library if needed
rlm@3: $this->include_module('lib.data_hash');
rlm@3:
rlm@3: if ($this->option_sha1_data) {
rlm@3: new getid3_lib_data_hash($this, 'sha1');
rlm@3: }
rlm@3:
rlm@3: if ($this->option_md5_data) {
rlm@3:
rlm@3: // no md5_data_source or option disabled -- md5_data_source supported by FLAC, MAC, OptimFROG, Wavpack4
rlm@3: if (!$this->option_md5_data_source || !@$this->info['md5_data_source']) {
rlm@3: new getid3_lib_data_hash($this, 'md5');
rlm@3: }
rlm@3:
rlm@3: // copy md5_data_source to md5_data if option set to true
rlm@3: elseif ($this->option_md5_data_source && @$this->info['md5_data_source']) {
rlm@3: $this->info['md5_data'] = $this->info['md5_data_source'];
rlm@3: }
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: // Set warnings
rlm@3: if ($this->warnings) {
rlm@3: $this->info['warning'] = $this->warnings;
rlm@3: }
rlm@3:
rlm@3: // Return result
rlm@3: return $this->info;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Return array of warnings
rlm@3: public function warnings() {
rlm@3:
rlm@3: return $this->warnings;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Add warning(s) to $this->warnings[]
rlm@3: public function warning($message) {
rlm@3:
rlm@3: if (is_array($message)) {
rlm@3: $this->warnings = array_merge($this->warnings, $message);
rlm@3: }
rlm@3: else {
rlm@3: $this->warnings[] = $message;
rlm@3: }
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Clear all warnings when cloning
rlm@3: public function __clone() {
rlm@3:
rlm@3: $this->warnings = array ();
rlm@3:
rlm@3: // Copy info array, otherwise it will be a reference.
rlm@3: $temp = $this->info;
rlm@3: unset($this->info);
rlm@3: $this->info = $temp;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Convert string between charsets -- iconv() wrapper
rlm@3: public function iconv($in_charset, $out_charset, $string, $drop01 = false) {
rlm@3:
rlm@3: if ($drop01 && ($string === "\x00" || $string === "\x01")) {
rlm@3: return '';
rlm@3: }
rlm@3:
rlm@3:
rlm@3: if (!$this->iconv_present) {
rlm@3: return getid3_iconv_replacement::iconv($in_charset, $out_charset, $string);
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // iconv() present
rlm@3: if ($result = @iconv($in_charset, $out_charset.'//TRANSLIT', $string)) {
rlm@3:
rlm@3: if ($out_charset == 'ISO-8859-1') {
rlm@3: return rtrim($result, "\x00");
rlm@3: }
rlm@3: return $result;
rlm@3: }
rlm@3:
rlm@3: $this->warning('iconv() was unable to convert the string: "' . $string . '" from ' . $in_charset . ' to ' . $out_charset);
rlm@3: return $string;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public function include_module($name) {
rlm@3:
rlm@3: if (!file_exists($this->include_path.'module.'.$name.'.php')) {
rlm@3: throw new getid3_exception('Required module.'.$name.'.php is missing.');
rlm@3: }
rlm@3:
rlm@3: include_once($this->include_path.'module.'.$name.'.php');
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public function include_module_optional($name) {
rlm@3:
rlm@3: if (!file_exists($this->include_path.'module.'.$name.'.php')) {
rlm@3: return;
rlm@3: }
rlm@3:
rlm@3: include_once($this->include_path.'module.'.$name.'.php');
rlm@3: return true;
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // Return array containing information about all supported formats
rlm@3: public static function GetFileFormatArray() {
rlm@3:
rlm@3: static $format_info = array (
rlm@3:
rlm@3: // Audio formats
rlm@3:
rlm@3: // AC-3 - audio - Dolby AC-3 / Dolby Digital
rlm@3: 'ac3' => array (
rlm@3: 'pattern' => '^\x0B\x77',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'ac3',
rlm@3: 'mime_type' => 'audio/ac3',
rlm@3: ),
rlm@3:
rlm@3: // AAC - audio - Advanced Audio Coding (AAC) - ADIF format
rlm@3: 'adif' => array (
rlm@3: 'pattern' => '^ADIF',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'aac_adif',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: 'fail_ape' => 'WARNING',
rlm@3: ),
rlm@3:
rlm@3:
rlm@3: // AAC - audio - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3)
rlm@3: 'adts' => array (
rlm@3: 'pattern' => '^\xFF[\xF0-\xF1\xF8-\xF9]',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'aac_adts',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: 'fail_ape' => 'WARNING',
rlm@3: ),
rlm@3:
rlm@3:
rlm@3: // AU - audio - NeXT/Sun AUdio (AU)
rlm@3: 'au' => array (
rlm@3: 'pattern' => '^\.snd',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'au',
rlm@3: 'mime_type' => 'audio/basic',
rlm@3: ),
rlm@3:
rlm@3: // AVR - audio - Audio Visual Research
rlm@3: 'avr' => array (
rlm@3: 'pattern' => '^2BIT',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'avr',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3: // BONK - audio - Bonk v0.9+
rlm@3: 'bonk' => array (
rlm@3: 'pattern' => '^\x00(BONK|INFO|META| ID3)',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'bonk',
rlm@3: 'mime_type' => 'audio/xmms-bonk',
rlm@3: ),
rlm@3:
rlm@3: // DTS - audio - Dolby Theatre System
rlm@3: 'dts' => array(
rlm@3: 'pattern' => '^\x7F\xFE\x80\x01',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'dts',
rlm@3: 'mime_type' => 'audio/dts',
rlm@3: ),
rlm@3:
rlm@3: // FLAC - audio - Free Lossless Audio Codec
rlm@3: 'flac' => array (
rlm@3: 'pattern' => '^fLaC',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'xiph',
rlm@3: 'mime_type' => 'audio/x-flac',
rlm@3: ),
rlm@3:
rlm@3: // LA - audio - Lossless Audio (LA)
rlm@3: 'la' => array (
rlm@3: 'pattern' => '^LA0[2-4]',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'la',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3: // LPAC - audio - Lossless Predictive Audio Compression (LPAC)
rlm@3: 'lpac' => array (
rlm@3: 'pattern' => '^LPAC',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'lpac',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3: // MIDI - audio - MIDI (Musical Instrument Digital Interface)
rlm@3: 'midi' => array (
rlm@3: 'pattern' => '^MThd',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'midi',
rlm@3: 'mime_type' => 'audio/midi',
rlm@3: ),
rlm@3:
rlm@3: // MAC - audio - Monkey's Audio Compressor
rlm@3: 'mac' => array (
rlm@3: 'pattern' => '^MAC ',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'monkey',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3: // MOD - audio - MODule (assorted sub-formats)
rlm@3: 'mod' => array (
rlm@3: 'pattern' => '^.{1080}(M.K.|[5-9]CHN|[1-3][0-9]CH)',
rlm@3: 'mime_type' => 'audio/mod',
rlm@3: ),
rlm@3:
rlm@3: // MOD - audio - MODule (Impulse Tracker)
rlm@3: 'it' => array (
rlm@3: 'pattern' => '^IMPM',
rlm@3: 'mime_type' => 'audio/it',
rlm@3: ),
rlm@3:
rlm@3: // MOD - audio - MODule (eXtended Module, various sub-formats)
rlm@3: 'xm' => array (
rlm@3: 'pattern' => '^Extended Module',
rlm@3: 'mime_type' => 'audio/xm',
rlm@3: ),
rlm@3:
rlm@3: // MOD - audio - MODule (ScreamTracker)
rlm@3: 's3m' => array (
rlm@3: 'pattern' => '^.{44}SCRM',
rlm@3: 'mime_type' => 'audio/s3m',
rlm@3: ),
rlm@3:
rlm@3: // MPC - audio - Musepack / MPEGplus SV7+
rlm@3: 'mpc' => array (
rlm@3: 'pattern' => '^(MP\+)',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'mpc',
rlm@3: 'mime_type' => 'audio/x-musepack',
rlm@3: ),
rlm@3:
rlm@3: // MPC - audio - Musepack / MPEGplus SV4-6
rlm@3: 'mpc_old' => array (
rlm@3: '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])',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'mpc_old',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3:
rlm@3: // MP3 - audio - MPEG-audio Layer 3 (very similar to AAC-ADTS)
rlm@3: 'mp3' => array (
rlm@3: 'pattern' => '^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'mp3',
rlm@3: 'mime_type' => 'audio/mpeg',
rlm@3: ),
rlm@3:
rlm@3: // OFR - audio - OptimFROG
rlm@3: 'ofr' => array (
rlm@3: 'pattern' => '^(\*RIFF|OFR)',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'optimfrog',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3: // RKAU - audio - RKive AUdio compressor
rlm@3: 'rkau' => array (
rlm@3: 'pattern' => '^RKA',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'rkau',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3: // SHN - audio - Shorten
rlm@3: 'shn' => array (
rlm@3: 'pattern' => '^ajkg',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'shorten',
rlm@3: 'mime_type' => 'audio/xmms-shn',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3: // TTA - audio - TTA Lossless Audio Compressor (http://tta.corecodec.org)
rlm@3: 'tta' => array (
rlm@3: 'pattern' => '^TTA', // could also be '^TTA(\x01|\x02|\x03|2|1)'
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'tta',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3: // VOC - audio - Creative Voice (VOC)
rlm@3: 'voc' => array (
rlm@3: 'pattern' => '^Creative Voice File',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'voc',
rlm@3: 'mime_type' => 'audio/voc',
rlm@3: ),
rlm@3:
rlm@3: // VQF - audio - transform-domain weighted interleave Vector Quantization Format (VQF)
rlm@3: 'vqf' => array (
rlm@3: 'pattern' => '^TWIN',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'vqf',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3: // WV - audio - WavPack (v4.0+)
rlm@3: 'vw' => array(
rlm@3: 'pattern' => '^wvpk',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'wavpack',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3:
rlm@3: // Audio-Video formats
rlm@3:
rlm@3: // ASF - audio/video - Advanced Streaming Format, Windows Media Video, Windows Media Audio
rlm@3: 'asf' => array (
rlm@3: 'pattern' => '^\x30\x26\xB2\x75\x8E\x66\xCF\x11\xA6\xD9\x00\xAA\x00\x62\xCE\x6C',
rlm@3: 'group' => 'audio-video',
rlm@3: 'module' => 'asf',
rlm@3: 'mime_type' => 'video/x-ms-asf',
rlm@3: ),
rlm@3:
rlm@3: // BINK - audio/video - Bink / Smacker
rlm@3: 'bink' => array(
rlm@3: 'pattern' => '^(BIK|SMK)',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3: // FLV - audio/video - FLash Video
rlm@3: 'flv' => array(
rlm@3: 'pattern' => '^FLV\x01',
rlm@3: 'group' => 'audio-video',
rlm@3: 'module' => 'flv',
rlm@3: 'mime_type' => 'video/x-flv',
rlm@3: ),
rlm@3:
rlm@3: // MKAV - audio/video - Mastroka
rlm@3: 'matroska' => array (
rlm@3: 'pattern' => '^\x1A\x45\xDF\xA3',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3: // MPEG - audio/video - MPEG (Moving Pictures Experts Group)
rlm@3: 'mpeg' => array (
rlm@3: 'pattern' => '^\x00\x00\x01(\xBA|\xB3)',
rlm@3: 'group' => 'audio-video',
rlm@3: 'module' => 'mpeg',
rlm@3: 'mime_type' => 'video/mpeg',
rlm@3: ),
rlm@3:
rlm@3: // NSV - audio/video - Nullsoft Streaming Video (NSV)
rlm@3: 'nsv' => array (
rlm@3: 'pattern' => '^NSV[sf]',
rlm@3: 'group' => 'audio-video',
rlm@3: 'module' => 'nsv',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: ),
rlm@3:
rlm@3: // Ogg - audio/video - Ogg (Ogg Vorbis, OggFLAC, Speex, Ogg Theora(*), Ogg Tarkin(*))
rlm@3: 'ogg' => array (
rlm@3: 'pattern' => '^OggS',
rlm@3: 'group' => 'audio',
rlm@3: 'module' => 'xiph',
rlm@3: 'mime_type' => 'application/ogg',
rlm@3: 'fail_id3' => 'WARNING',
rlm@3: 'fail_ape' => 'WARNING',
rlm@3: ),
rlm@3:
rlm@3: // QT - audio/video - Quicktime
rlm@3: 'quicktime' => array (
rlm@3: 'pattern' => '^.{4}(cmov|free|ftyp|mdat|moov|pnot|skip|wide)',
rlm@3: 'group' => 'audio-video',
rlm@3: 'module' => 'quicktime',
rlm@3: 'mime_type' => 'video/quicktime',
rlm@3: ),
rlm@3:
rlm@3: // RIFF - audio/video - Resource Interchange File Format (RIFF) / WAV / AVI / CD-audio / SDSS = renamed variant used by SmartSound QuickTracks (www.smartsound.com) / FORM = Audio Interchange File Format (AIFF)
rlm@3: 'riff' => array (
rlm@3: 'pattern' => '^(RIFF|SDSS|FORM)',
rlm@3: 'group' => 'audio-video',
rlm@3: 'module' => 'riff',
rlm@3: 'mime_type' => 'audio/x-wave',
rlm@3: 'fail_ape' => 'WARNING',
rlm@3: ),
rlm@3:
rlm@3: // Real - audio/video - RealAudio, RealVideo
rlm@3: 'real' => array (
rlm@3: 'pattern' => '^(\.RMF|.ra)',
rlm@3: 'group' => 'audio-video',
rlm@3: 'module' => 'real',
rlm@3: 'mime_type' => 'audio/x-realaudio',
rlm@3: ),
rlm@3:
rlm@3: // SWF - audio/video - ShockWave Flash
rlm@3: 'swf' => array (
rlm@3: 'pattern' => '^(F|C)WS',
rlm@3: 'group' => 'audio-video',
rlm@3: 'module' => 'swf',
rlm@3: 'mime_type' => 'application/x-shockwave-flash',
rlm@3: ),
rlm@3:
rlm@3:
rlm@3: // Still-Image formats
rlm@3:
rlm@3: // BMP - still image - Bitmap (Windows, OS/2; uncompressed, RLE8, RLE4)
rlm@3: 'bmp' => array (
rlm@3: 'pattern' => '^BM',
rlm@3: 'group' => 'graphic',
rlm@3: 'module' => 'bmp',
rlm@3: 'mime_type' => 'image/bmp',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3: // GIF - still image - Graphics Interchange Format
rlm@3: 'gif' => array (
rlm@3: 'pattern' => '^GIF',
rlm@3: 'group' => 'graphic',
rlm@3: 'module' => 'gif',
rlm@3: 'mime_type' => 'image/gif',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3: // JPEG - still image - Joint Photographic Experts Group (JPEG)
rlm@3: 'jpeg' => array (
rlm@3: 'pattern' => '^\xFF\xD8\xFF',
rlm@3: 'group' => 'graphic',
rlm@3: 'module' => 'jpeg',
rlm@3: 'mime_type' => 'image/jpeg',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3: // PCD - still image - Kodak Photo CD
rlm@3: 'pcd' => array (
rlm@3: 'pattern' => '^.{2048}PCD_IPI\x00',
rlm@3: 'group' => 'graphic',
rlm@3: 'module' => 'pcd',
rlm@3: 'mime_type' => 'image/x-photo-cd',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3:
rlm@3: // PNG - still image - Portable Network Graphics (PNG)
rlm@3: 'png' => array (
rlm@3: 'pattern' => '^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A',
rlm@3: 'group' => 'graphic',
rlm@3: 'module' => 'png',
rlm@3: 'mime_type' => 'image/png',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3:
rlm@3: // SVG - still image - Scalable Vector Graphics (SVG)
rlm@3: 'svg' => array(
rlm@3: 'pattern' => '<!DOCTYPE svg PUBLIC ',
rlm@3: 'mime_type' => 'image/svg+xml',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3:
rlm@3: // TIFF - still image - Tagged Information File Format (TIFF)
rlm@3: 'tiff' => array (
rlm@3: 'pattern' => '^(II\x2A\x00|MM\x00\x2A)',
rlm@3: 'group' => 'graphic',
rlm@3: 'module' => 'tiff',
rlm@3: 'mime_type' => 'image/tiff',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3:
rlm@3: // Data formats
rlm@3:
rlm@3: 'exe' => array(
rlm@3: 'pattern' => '^MZ',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3: // ISO - data - International Standards Organization (ISO) CD-ROM Image
rlm@3: 'iso' => array (
rlm@3: 'pattern' => '^.{32769}CD001',
rlm@3: 'group' => 'misc',
rlm@3: 'module' => 'iso',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3: // RAR - data - RAR compressed data
rlm@3: 'rar' => array(
rlm@3: 'pattern' => '^Rar\!',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3: // SZIP - audio - SZIP compressed data
rlm@3: 'szip' => array (
rlm@3: 'pattern' => '^SZ\x0A\x04',
rlm@3: 'group' => 'archive',
rlm@3: 'module' => 'szip',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3: // TAR - data - TAR compressed data
rlm@3: 'tar' => array(
rlm@3: '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}',
rlm@3: 'group' => 'archive',
rlm@3: 'module' => 'tar',
rlm@3: 'mime_type' => 'application/x-tar',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3: // GZIP - data - GZIP compressed data
rlm@3: 'gz' => array(
rlm@3: 'pattern' => '^\x1F\x8B\x08',
rlm@3: 'group' => 'archive',
rlm@3: 'module' => 'gzip',
rlm@3: 'mime_type' => 'application/x-gzip',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3:
rlm@3: // ZIP - data - ZIP compressed data
rlm@3: 'zip' => array (
rlm@3: 'pattern' => '^PK\x03\x04',
rlm@3: 'group' => 'archive',
rlm@3: 'module' => 'zip',
rlm@3: 'mime_type' => 'application/zip',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3:
rlm@3: // PAR2 - data - Parity Volume Set Specification 2.0
rlm@3: 'par2' => array (
rlm@3: 'pattern' => '^PAR2\x00PKT',
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3:
rlm@3: // PDF - data - Portable Document Format
rlm@3: 'pdf' => array(
rlm@3: 'pattern' => '^\x25PDF',
rlm@3: 'mime_type' => 'application/pdf',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3:
rlm@3: // DOC - data - Microsoft Word
rlm@3: 'msoffice' => array(
rlm@3: 'pattern' => '^\xD0\xCF\x11\xE0', // D0CF11E == DOCFILE == Microsoft Office Document
rlm@3: 'mime_type' => 'application/octet-stream',
rlm@3: 'fail_id3' => 'ERROR',
rlm@3: 'fail_ape' => 'ERROR',
rlm@3: ),
rlm@3: );
rlm@3:
rlm@3: return $format_info;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Recursive over array - converts array to $encoding charset from $this->encoding
rlm@3: function CharConvert(&$array, $encoding) {
rlm@3:
rlm@3: // Identical encoding - end here
rlm@3: if ($encoding == $this->encoding) {
rlm@3: return;
rlm@3: }
rlm@3:
rlm@3: // Loop thru array
rlm@3: foreach ($array as $key => $value) {
rlm@3:
rlm@3: // Go recursive
rlm@3: if (is_array($value)) {
rlm@3: $this->CharConvert($array[$key], $encoding);
rlm@3: }
rlm@3:
rlm@3: // Convert string
rlm@3: elseif (is_string($value)) {
rlm@3: $array[$key] = $this->iconv($encoding, $this->encoding, $value);
rlm@3: }
rlm@3: }
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Convert and copy tags
rlm@3: protected function HandleAllTags() {
rlm@3:
rlm@3: // Key name => array (tag name, character encoding)
rlm@3: static $tags = array (
rlm@3: 'asf' => array ('asf', 'UTF-16LE'),
rlm@3: 'midi' => array ('midi', 'ISO-8859-1'),
rlm@3: 'nsv' => array ('nsv', 'ISO-8859-1'),
rlm@3: 'ogg' => array ('vorbiscomment', 'UTF-8'),
rlm@3: 'png' => array ('png', 'UTF-8'),
rlm@3: 'tiff' => array ('tiff', 'ISO-8859-1'),
rlm@3: 'quicktime' => array ('quicktime', 'ISO-8859-1'),
rlm@3: 'real' => array ('real', 'ISO-8859-1'),
rlm@3: 'vqf' => array ('vqf', 'ISO-8859-1'),
rlm@3: 'zip' => array ('zip', 'ISO-8859-1'),
rlm@3: 'riff' => array ('riff', 'ISO-8859-1'),
rlm@3: 'lyrics3' => array ('lyrics3', 'ISO-8859-1'),
rlm@3: 'id3v1' => array ('id3v1', ''), // change below - cannot assign variable to static array
rlm@3: 'id3v2' => array ('id3v2', 'UTF-8'), // module converts all frames to UTF-8
rlm@3: 'ape' => array ('ape', 'UTF-8')
rlm@3: );
rlm@3: $tags['id3v1'][1] = $this->encoding_id3v1;
rlm@3:
rlm@3: // Loop thru tags array
rlm@3: foreach ($tags as $comment_name => $tag_name_encoding_array) {
rlm@3: list($tag_name, $encoding) = $tag_name_encoding_array;
rlm@3:
rlm@3: // Fill in default encoding type if not already present
rlm@3: @$this->info[$comment_name] and $this->info[$comment_name]['encoding'] = $encoding;
rlm@3:
rlm@3: // Copy comments if key name set
rlm@3: if (@$this->info[$comment_name]['comments']) {
rlm@3:
rlm@3: foreach ($this->info[$comment_name]['comments'] as $tag_key => $value_array) {
rlm@3: foreach ($value_array as $key => $value) {
rlm@3: if (strlen(trim($value)) > 0) {
rlm@3: $this->info['tags'][$tag_name][trim($tag_key)][] = $value; // do not trim!! Unicode characters will get mangled if trailing nulls are removed!
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: }
rlm@3:
rlm@3: if (!@$this->info['tags'][$tag_name]) {
rlm@3: // comments are set but contain nothing but empty strings, so skip
rlm@3: continue;
rlm@3: }
rlm@3:
rlm@3: $this->CharConvert($this->info['tags'][$tag_name], $encoding);
rlm@3: }
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // Merge comments from ['tags'] into common ['comments']
rlm@3: if (@$this->info['tags']) {
rlm@3:
rlm@3: foreach ($this->info['tags'] as $tag_type => $tag_array) {
rlm@3:
rlm@3: foreach ($tag_array as $tag_name => $tagdata) {
rlm@3:
rlm@3: foreach ($tagdata as $key => $value) {
rlm@3:
rlm@3: if (!empty($value)) {
rlm@3:
rlm@3: if (empty($this->info['comments'][$tag_name])) {
rlm@3:
rlm@3: // fall through and append value
rlm@3: }
rlm@3: elseif ($tag_type == 'id3v1') {
rlm@3:
rlm@3: $new_value_length = strlen(trim($value));
rlm@3: foreach ($this->info['comments'][$tag_name] as $existing_key => $existing_value) {
rlm@3: $old_value_length = strlen(trim($existing_value));
rlm@3: if (($new_value_length <= $old_value_length) && (substr($existing_value, 0, $new_value_length) == trim($value))) {
rlm@3: // new value is identical but shorter-than (or equal-length to) one already in comments - skip
rlm@3: break 2;
rlm@3: }
rlm@3: }
rlm@3: }
rlm@3: else {
rlm@3:
rlm@3: $new_value_length = strlen(trim($value));
rlm@3: foreach ($this->info['comments'][$tag_name] as $existing_key => $existing_value) {
rlm@3: $old_value_length = strlen(trim($existing_value));
rlm@3: if (($new_value_length > $old_value_length) && (substr(trim($value), 0, strlen($existing_value)) == $existing_value)) {
rlm@3: $this->info['comments'][$tag_name][$existing_key] = trim($value);
rlm@3: break 2;
rlm@3: }
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: if (empty($this->info['comments'][$tag_name]) || !in_array(trim($value), $this->info['comments'][$tag_name])) {
rlm@3: $this->info['comments'][$tag_name][] = trim($value);
rlm@3: }
rlm@3: }
rlm@3: }
rlm@3: }
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: return true;
rlm@3: }
rlm@3: }
rlm@3:
rlm@3:
rlm@3: abstract class getid3_handler
rlm@3: {
rlm@3:
rlm@3: protected $getid3; // pointer
rlm@3:
rlm@3: protected $data_string_flag = false; // analyzing filepointer or string
rlm@3: protected $data_string; // string to analyze
rlm@3: protected $data_string_position = 0; // seek position in string
rlm@3:
rlm@3:
rlm@3: public function __construct(getID3 $getid3) {
rlm@3:
rlm@3: $this->getid3 = $getid3;
rlm@3: }
rlm@3:
rlm@3:
rlm@3: // Analyze from file pointer
rlm@3: abstract public function Analyze();
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Analyze from string instead
rlm@3: public function AnalyzeString(&$string) {
rlm@3:
rlm@3: // Enter string mode
rlm@3: $this->data_string_flag = true;
rlm@3: $this->data_string = $string;
rlm@3:
rlm@3: // Save info
rlm@3: $saved_avdataoffset = $this->getid3->info['avdataoffset'];
rlm@3: $saved_avdataend = $this->getid3->info['avdataend'];
rlm@3: $saved_filesize = $this->getid3->info['filesize'];
rlm@3:
rlm@3: // Reset some info
rlm@3: $this->getid3->info['avdataoffset'] = 0;
rlm@3: $this->getid3->info['avdataend'] = $this->getid3->info['filesize'] = strlen($string);
rlm@3:
rlm@3: // Analyze
rlm@3: $this->Analyze();
rlm@3:
rlm@3: // Restore some info
rlm@3: $this->getid3->info['avdataoffset'] = $saved_avdataoffset;
rlm@3: $this->getid3->info['avdataend'] = $saved_avdataend;
rlm@3: $this->getid3->info['filesize'] = $saved_filesize;
rlm@3:
rlm@3: // Exit string mode
rlm@3: $this->data_string_flag = false;
rlm@3: }
rlm@3:
rlm@3:
rlm@3: protected function ftell() {
rlm@3:
rlm@3: if ($this->data_string_flag) {
rlm@3: return $this->data_string_position;
rlm@3: }
rlm@3: return ftell($this->getid3->fp);
rlm@3: }
rlm@3:
rlm@3:
rlm@3: protected function fread($bytes) {
rlm@3:
rlm@3: if ($this->data_string_flag) {
rlm@3: $this->data_string_position += $bytes;
rlm@3: return substr($this->data_string, $this->data_string_position - $bytes, $bytes);
rlm@3: }
rlm@3: return fread($this->getid3->fp, $bytes);
rlm@3: }
rlm@3:
rlm@3:
rlm@3: protected function fseek($bytes, $whence = SEEK_SET) {
rlm@3:
rlm@3: if ($this->data_string_flag) {
rlm@3: switch ($whence) {
rlm@3: case SEEK_SET:
rlm@3: $this->data_string_position = $bytes;
rlm@3: return;
rlm@3:
rlm@3: case SEEK_CUR:
rlm@3: $this->data_string_position += $bytes;
rlm@3: return;
rlm@3:
rlm@3: case SEEK_END:
rlm@3: $this->data_string_position = strlen($this->data_string) + $bytes;
rlm@3: return;
rlm@3: }
rlm@3: }
rlm@3: return fseek($this->getid3->fp, $bytes, $whence);
rlm@3: }
rlm@3:
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3:
rlm@3: abstract class getid3_handler_write
rlm@3: {
rlm@3: protected $filename;
rlm@3: protected $user_abort;
rlm@3:
rlm@3: private $fp_lock;
rlm@3: private $owner;
rlm@3: private $group;
rlm@3: private $perms;
rlm@3:
rlm@3:
rlm@3: public function __construct($filename) {
rlm@3:
rlm@3: if (!file_exists($filename)) {
rlm@3: throw new getid3_exception('File does not exist: "' . $filename . '"');
rlm@3: }
rlm@3:
rlm@3: if (!is_writeable($filename)) {
rlm@3: throw new getid3_exception('File is not writeable: "' . $filename . '"');
rlm@3: }
rlm@3:
rlm@3: if (!is_writeable(dirname($filename))) {
rlm@3: throw new getid3_exception('Directory is not writeable: ' . dirname($filename) . ' (need to write lock file).');
rlm@3: }
rlm@3:
rlm@3: $this->user_abort = ignore_user_abort(true);
rlm@3:
rlm@3: $this->fp_lock = fopen($filename . '.getid3.lock', 'w');
rlm@3: flock($this->fp_lock, LOCK_EX);
rlm@3:
rlm@3: $this->filename = $filename;
rlm@3: }
rlm@3:
rlm@3:
rlm@3: public function __destruct() {
rlm@3:
rlm@3: flock($this->fp_lock, LOCK_UN);
rlm@3: fclose($this->fp_lock);
rlm@3: unlink($this->filename . '.getid3.lock');
rlm@3:
rlm@3: ignore_user_abort($this->user_abort);
rlm@3: }
rlm@3:
rlm@3:
rlm@3: protected function save_permissions() {
rlm@3:
rlm@3: $this->owner = fileowner($this->filename);
rlm@3: $this->group = filegroup($this->filename);
rlm@3: $this->perms = fileperms($this->filename);
rlm@3: }
rlm@3:
rlm@3:
rlm@3: protected function restore_permissions() {
rlm@3:
rlm@3: @chown($this->filename, $this->owner);
rlm@3: @chgrp($this->filename, $this->group);
rlm@3: @chmod($this->filename, $this->perms);
rlm@3: }
rlm@3:
rlm@3:
rlm@3: abstract public function read();
rlm@3:
rlm@3: abstract public function write();
rlm@3:
rlm@3: abstract public function remove();
rlm@3:
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3:
rlm@3: class getid3_exception extends Exception
rlm@3: {
rlm@3: public $message;
rlm@3:
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3:
rlm@3: class getid3_lib
rlm@3: {
rlm@3:
rlm@3: // Convert Little Endian byte string to int - max 32 bits
rlm@3: public static function LittleEndian2Int($byte_word, $signed = false) {
rlm@3:
rlm@3: return getid3_lib::BigEndian2Int(strrev($byte_word), $signed);
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Convert number to Little Endian byte string
rlm@3: public static function LittleEndian2String($number, $minbytes=1, $synchsafe=false) {
rlm@3: $intstring = '';
rlm@3: while ($number > 0) {
rlm@3: if ($synchsafe) {
rlm@3: $intstring = $intstring.chr($number & 127);
rlm@3: $number >>= 7;
rlm@3: } else {
rlm@3: $intstring = $intstring.chr($number & 255);
rlm@3: $number >>= 8;
rlm@3: }
rlm@3: }
rlm@3: return str_pad($intstring, $minbytes, "\x00", STR_PAD_RIGHT);
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Convert Big Endian byte string to int - max 32 bits
rlm@3: public static function BigEndian2Int($byte_word, $signed = false) {
rlm@3:
rlm@3: $int_value = 0;
rlm@3: $byte_wordlen = strlen($byte_word);
rlm@3:
rlm@3: for ($i = 0; $i < $byte_wordlen; $i++) {
rlm@3: $int_value += ord($byte_word{$i}) * pow(256, ($byte_wordlen - 1 - $i));
rlm@3: }
rlm@3:
rlm@3: if ($signed) {
rlm@3: $sign_mask_bit = 0x80 << (8 * ($byte_wordlen - 1));
rlm@3: if ($int_value & $sign_mask_bit) {
rlm@3: $int_value = 0 - ($int_value & ($sign_mask_bit - 1));
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: return $int_value;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Convert Big Endian byte sybc safe string to int - max 32 bits
rlm@3: public static function BigEndianSyncSafe2Int($byte_word) {
rlm@3:
rlm@3: $int_value = 0;
rlm@3: $byte_wordlen = strlen($byte_word);
rlm@3:
rlm@3: // disregard MSB, effectively 7-bit bytes
rlm@3: for ($i = 0; $i < $byte_wordlen; $i++) {
rlm@3: $int_value = $int_value | (ord($byte_word{$i}) & 0x7F) << (($byte_wordlen - 1 - $i) * 7);
rlm@3: }
rlm@3: return $int_value;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Convert Big Endian byte string to bit string
rlm@3: public static function BigEndian2Bin($byte_word) {
rlm@3:
rlm@3: $bin_value = '';
rlm@3: $byte_wordlen = strlen($byte_word);
rlm@3: for ($i = 0; $i < $byte_wordlen; $i++) {
rlm@3: $bin_value .= str_pad(decbin(ord($byte_word{$i})), 8, '0', STR_PAD_LEFT);
rlm@3: }
rlm@3: return $bin_value;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public static function BigEndian2Float($byte_word) {
rlm@3:
rlm@3: // ANSI/IEEE Standard 754-1985, Standard for Binary Floating Point Arithmetic
rlm@3: // http://www.psc.edu/general/software/packages/ieee/ieee.html
rlm@3: // http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee.html
rlm@3:
rlm@3: $bit_word = getid3_lib::BigEndian2Bin($byte_word);
rlm@3: if (!$bit_word) {
rlm@3: return 0;
rlm@3: }
rlm@3: $sign_bit = $bit_word{0};
rlm@3:
rlm@3: switch (strlen($byte_word) * 8) {
rlm@3: case 32:
rlm@3: $exponent_bits = 8;
rlm@3: $fraction_bits = 23;
rlm@3: break;
rlm@3:
rlm@3: case 64:
rlm@3: $exponent_bits = 11;
rlm@3: $fraction_bits = 52;
rlm@3: break;
rlm@3:
rlm@3: case 80:
rlm@3: // 80-bit Apple SANE format
rlm@3: // http://www.mactech.com/articles/mactech/Vol.06/06.01/SANENormalized/
rlm@3: $exponent_string = substr($bit_word, 1, 15);
rlm@3: $is_normalized = intval($bit_word{16});
rlm@3: $fraction_string = substr($bit_word, 17, 63);
rlm@3: $exponent = pow(2, getid3_lib::Bin2Dec($exponent_string) - 16383);
rlm@3: $fraction = $is_normalized + getid3_lib::DecimalBinary2Float($fraction_string);
rlm@3: $float_value = $exponent * $fraction;
rlm@3: if ($sign_bit == '1') {
rlm@3: $float_value *= -1;
rlm@3: }
rlm@3: return $float_value;
rlm@3: break;
rlm@3:
rlm@3: default:
rlm@3: return false;
rlm@3: break;
rlm@3: }
rlm@3: $exponent_string = substr($bit_word, 1, $exponent_bits);
rlm@3: $fraction_string = substr($bit_word, $exponent_bits + 1, $fraction_bits);
rlm@3: $exponent = bindec($exponent_string);
rlm@3: $fraction = bindec($fraction_string);
rlm@3:
rlm@3: if (($exponent == (pow(2, $exponent_bits) - 1)) && ($fraction != 0)) {
rlm@3: // Not a Number
rlm@3: $float_value = false;
rlm@3: } elseif (($exponent == (pow(2, $exponent_bits) - 1)) && ($fraction == 0)) {
rlm@3: if ($sign_bit == '1') {
rlm@3: $float_value = '-infinity';
rlm@3: } else {
rlm@3: $float_value = '+infinity';
rlm@3: }
rlm@3: } elseif (($exponent == 0) && ($fraction == 0)) {
rlm@3: if ($sign_bit == '1') {
rlm@3: $float_value = -0;
rlm@3: } else {
rlm@3: $float_value = 0;
rlm@3: }
rlm@3: $float_value = ($sign_bit ? 0 : -0);
rlm@3: } elseif (($exponent == 0) && ($fraction != 0)) {
rlm@3: // These are 'unnormalized' values
rlm@3: $float_value = pow(2, (-1 * (pow(2, $exponent_bits - 1) - 2))) * getid3_lib::DecimalBinary2Float($fraction_string);
rlm@3: if ($sign_bit == '1') {
rlm@3: $float_value *= -1;
rlm@3: }
rlm@3: } elseif ($exponent != 0) {
rlm@3: $float_value = pow(2, ($exponent - (pow(2, $exponent_bits - 1) - 1))) * (1 + getid3_lib::DecimalBinary2Float($fraction_string));
rlm@3: if ($sign_bit == '1') {
rlm@3: $float_value *= -1;
rlm@3: }
rlm@3: }
rlm@3: return (float) $float_value;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public static function LittleEndian2Float($byte_word) {
rlm@3:
rlm@3: return getid3_lib::BigEndian2Float(strrev($byte_word));
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public static function DecimalBinary2Float($binary_numerator) {
rlm@3: $numerator = bindec($binary_numerator);
rlm@3: $denominator = bindec('1'.str_repeat('0', strlen($binary_numerator)));
rlm@3: return ($numerator / $denominator);
rlm@3: }
rlm@3:
rlm@3:
rlm@3: public static function PrintHexBytes($string, $hex=true, $spaces=true, $html_safe=true) {
rlm@3:
rlm@3: $return_string = '';
rlm@3: for ($i = 0; $i < strlen($string); $i++) {
rlm@3: if ($hex) {
rlm@3: $return_string .= str_pad(dechex(ord($string{$i})), 2, '0', STR_PAD_LEFT);
rlm@3: } else {
rlm@3: $return_string .= ' '.(ereg("[\x20-\x7E]", $string{$i}) ? $string{$i} : '¤');
rlm@3: }
rlm@3: if ($spaces) {
rlm@3: $return_string .= ' ';
rlm@3: }
rlm@3: }
rlm@3: if ($html_safe) {
rlm@3: $return_string = htmlentities($return_string);
rlm@3: }
rlm@3: return $return_string;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: // Process header data string - read several values with algorithm and add to target
rlm@3: // algorithm is one one the getid3_lib::Something2Something() function names
rlm@3: // parts_array is index => length - $target[index] = algorithm(substring(data))
rlm@3: // - OR just substring(data) if length is negative!
rlm@3: // indexes == 'IGNORE**' are ignored
rlm@3:
rlm@3: public static function ReadSequence($algorithm, &$target, &$data, $offset, $parts_array) {
rlm@3:
rlm@3: // Loop thru $parts_array
rlm@3: foreach ($parts_array as $target_string => $length) {
rlm@3:
rlm@3: // Add to target
rlm@3: if (!strstr($target_string, 'IGNORE')) {
rlm@3:
rlm@3: // substr(....length)
rlm@3: if ($length < 0) {
rlm@3: $target[$target_string] = substr($data, $offset, -$length);
rlm@3: }
rlm@3:
rlm@3: // algorithm(substr(...length))
rlm@3: else {
rlm@3: $target[$target_string] = getid3_lib::$algorithm(substr($data, $offset, $length));
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: // Move pointer
rlm@3: $offset += abs($length);
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: class getid3_lib_replaygain
rlm@3: {
rlm@3:
rlm@3: public static function NameLookup($name_code) {
rlm@3:
rlm@3: static $lookup = array (
rlm@3: 0 => 'not set',
rlm@3: 1 => 'Track Gain Adjustment',
rlm@3: 2 => 'Album Gain Adjustment'
rlm@3: );
rlm@3:
rlm@3: return @$lookup[$name_code];
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public static function OriginatorLookup($originator_code) {
rlm@3:
rlm@3: static $lookup = array (
rlm@3: 0 => 'unspecified',
rlm@3: 1 => 'pre-set by artist/producer/mastering engineer',
rlm@3: 2 => 'set by user',
rlm@3: 3 => 'determined automatically'
rlm@3: );
rlm@3:
rlm@3: return @$lookup[$originator_code];
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public static function AdjustmentLookup($raw_adjustment, $sign_bit) {
rlm@3:
rlm@3: return (float)$raw_adjustment / 10 * ($sign_bit == 1 ? -1 : 1);
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public static function GainString($name_code, $originator_code, $replaygain) {
rlm@3:
rlm@3: $sign_bit = $replaygain < 0 ? 1 : 0;
rlm@3:
rlm@3: $stored_replaygain = intval(round($replaygain * 10));
rlm@3: $gain_string = str_pad(decbin($name_code), 3, '0', STR_PAD_LEFT);
rlm@3: $gain_string .= str_pad(decbin($originator_code), 3, '0', STR_PAD_LEFT);
rlm@3: $gain_string .= $sign_bit;
rlm@3: $gain_string .= str_pad(decbin($stored_replaygain), 9, '0', STR_PAD_LEFT);
rlm@3:
rlm@3: return $gain_string;
rlm@3: }
rlm@3:
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3:
rlm@3: ?>