|
|
<?php
|
|
|
// +----------------------------------------------------------------------+
|
|
|
// | PHP version 5 |
|
|
|
// +----------------------------------------------------------------------+
|
|
|
// | Copyright (c) 2002-2006 James Heinrich, Allan Hansen |
|
|
|
// +----------------------------------------------------------------------+
|
|
|
// | This source file is subject to version 2 of the GPL license, |
|
|
|
// | that is bundled with this package in the file license.txt and is |
|
|
|
// | available through the world-wide-web at the following url: |
|
|
|
// | http://www.gnu.org/copyleft/gpl.html |
|
|
|
// +----------------------------------------------------------------------+
|
|
|
// | getID3() - http://getid3.sourceforge.net or http://www.getid3.org |
|
|
|
// +----------------------------------------------------------------------+
|
|
|
// | Authors: James Heinrich <info<EFBFBD>getid3*org> |
|
|
|
// | Allan Hansen <ah<EFBFBD>artemis*dk> |
|
|
|
// +----------------------------------------------------------------------+
|
|
|
// | getid3.php |
|
|
|
// | Main getID3() file. |
|
|
|
// | dependencies: modules. |
|
|
|
// +----------------------------------------------------------------------+
|
|
|
//
|
|
|
// $Id: getid3.php,v 1.26 2006/12/25 23:44:23 ah Exp $
|
|
|
|
|
|
|
|
|
class getid3
|
|
|
{
|
|
|
//// Settings Section - do NOT modify this file - change setting after newing getid3!
|
|
|
|
|
|
// Encoding
|
|
|
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.
|
|
|
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".
|
|
|
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.
|
|
|
|
|
|
// Tags - disable for speed
|
|
|
public $option_tag_id3v1 = false; // Read and process ID3v1 tags.
|
|
|
public $option_tag_id3v2 = false; // Read and process ID3v2 tags.
|
|
|
public $option_tag_lyrics3 = false; // Read and process Lyrics3 tags.
|
|
|
public $option_tag_apetag = false; // Read and process APE tags.
|
|
|
|
|
|
// Misc calucations - disable for speed
|
|
|
public $option_analyze = true; // Analyze file - disable if you only need to detect file format.
|
|
|
public $option_accurate_results = true; // Disable to greatly speed up parsing of some file formats at the cost of accuracy.
|
|
|
public $option_tags_process = true; // Copy tags to root key 'tags' and 'comments' and encode to $this->encoding.
|
|
|
public $option_tags_images = false; // Scan tags for binary image data - ID3v2 and vorbiscomments only.
|
|
|
public $option_extra_info = true; // Calculate/return additional info such as bitrate, channelmode etc.
|
|
|
public $option_max_2gb_check = false; // Check whether file is larger than 2 Gb and thus not supported by PHP.
|
|
|
|
|
|
// Misc data hashes - slow - require hash module
|
|
|
public $option_md5_data = false; // Get MD5 sum of data part - slow.
|
|
|
public $option_md5_data_source = false; // Use MD5 of source file if available - only FLAC, MAC, OptimFROG and Wavpack4.
|
|
|
public $option_sha1_data = false; // Get SHA1 sum of data part - slow.
|
|
|
|
|
|
// Public variables
|
|
|
public $filename; // Filename of file being analysed.
|
|
|
public $fp; // Filepointer to file being analysed.
|
|
|
public $info; // Result array.
|
|
|
|
|
|
// Protected variables
|
|
|
protected $include_path; // getid3 include path.
|
|
|
protected $warnings = array ();
|
|
|
protected $iconv_present;
|
|
|
|
|
|
// Class constants
|
|
|
const VERSION = '2.0.0b4';
|
|
|
const FREAD_BUFFER_SIZE = 16384; // Read buffer size in bytes.
|
|
|
const ICONV_TEST_STRING = ' !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>';
|
|
|
|
|
|
|
|
|
|
|
|
// Constructor - check PHP enviroment and load library.
|
|
|
public function __construct() {
|
|
|
|
|
|
// Static varibles - no need to recalc every time we new getid3.
|
|
|
static $include_path;
|
|
|
static $iconv_present;
|
|
|
|
|
|
|
|
|
static $initialized;
|
|
|
if ($initialized) {
|
|
|
|
|
|
// Import static variables
|
|
|
$this->include_path = $include_path;
|
|
|
$this->iconv_present = $iconv_present;
|
|
|
|
|
|
// Run init checks only on first instance.
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
// Get include_path
|
|
|
$this->include_path = $include_path = dirname(__FILE__) . '/';
|
|
|
|
|
|
// Check for presence of iconv() and make sure it works (simpel test only).
|
|
|
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;
|
|
|
}
|
|
|
|
|
|
// iconv() not present - load replacement module.
|
|
|
else {
|
|
|
$this->include_module('lib.iconv_replacement');
|
|
|
$this->iconv_present = $iconv_present = false;
|
|
|
}
|
|
|
|
|
|
|
|
|
// Require magic_quotes_runtime off
|
|
|
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).');
|
|
|
}
|
|
|
|
|
|
|
|
|
// Check memory limit.
|
|
|
$memory_limit = ini_get('memory_limit');
|
|
|
if (eregi('([0-9]+)M', $memory_limit, $matches)) {
|
|
|
// could be stored as "16M" rather than 16777216 for example
|
|
|
$memory_limit = $matches[1] * 1048576;
|
|
|
}
|
|
|
if ($memory_limit <= 0) {
|
|
|
// Should not happen.
|
|
|
} 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.');
|
|
|
}
|
|
|
|
|
|
|
|
|
// Check safe_mode off
|
|
|
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.');
|
|
|
}
|
|
|
|
|
|
$initialized = true;
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Analyze file by name
|
|
|
public function Analyze($filename) {
|
|
|
|
|
|
// Init and save values
|
|
|
$this->filename = $filename;
|
|
|
$this->warnings = array ();
|
|
|
|
|
|
// Init result array and set parameters
|
|
|
$this->info = array ();
|
|
|
$this->info['GETID3_VERSION'] = getid3::VERSION;
|
|
|
|
|
|
// Remote files not supported
|
|
|
if (preg_match('/^(ht|f)tp:\/\//', $filename)) {
|
|
|
throw new getid3_exception('Remote files are not supported - please copy the file locally first.');
|
|
|
}
|
|
|
|
|
|
// Open local file
|
|
|
if (!$this->fp = @fopen($filename, 'rb')) {
|
|
|
throw new getid3_exception('Could not open file "'.$filename.'"');
|
|
|
}
|
|
|
|
|
|
// Set filesize related parameters
|
|
|
$this->info['filesize'] = filesize($filename);
|
|
|
$this->info['avdataoffset'] = 0;
|
|
|
$this->info['avdataend'] = $this->info['filesize'];
|
|
|
|
|
|
// Option_max_2gb_check
|
|
|
if ($this->option_max_2gb_check) {
|
|
|
// PHP doesn't support integers larger than 31-bit (~2GB)
|
|
|
// filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize
|
|
|
// ftell() returns 0 if seeking to the end is beyond the range of unsigned integer
|
|
|
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($this->fp);
|
|
|
throw new getid3_exception('File is most likely larger than 2GB and is not supported by PHP.');
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
// ID3v2 detection (NOT parsing) done to make fileformat easier.
|
|
|
if (!$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; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
// Handle tags
|
|
|
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 $e;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//// Determine file format by magic bytes in file header.
|
|
|
|
|
|
// Read 32 kb file data
|
|
|
fseek($this->fp, $this->info['avdataoffset'], SEEK_SET);
|
|
|
$filedata = fread($this->fp, 32774);
|
|
|
|
|
|
// Get huge FileFormatArray
|
|
|
$file_format_array = getid3::GetFileFormatArray();
|
|
|
|
|
|
// Identify file format - loop through $format_info and detect with reg expr
|
|
|
foreach ($file_format_array as $name => $info) {
|
|
|
|
|
|
if (preg_match('/'.$info['pattern'].'/s', $filedata)) { // The /s switch on preg_match() forces preg_match() NOT to treat newline (0x0A) characters as special chars but do a binary match
|
|
|
|
|
|
// Format detected but not supported
|
|
|
if (!@$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; // copy $info deleted by foreach()
|
|
|
continue;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// Unable to determine file format
|
|
|
if (!@$determined_format) {
|
|
|
|
|
|
// Too many mp3 encoders on the market put gabage in front of mpeg files
|
|
|
// use assume format on these if format detection failed
|
|
|
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');
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// Free memory
|
|
|
unset($file_format_array);
|
|
|
|
|
|
// Check for illegal ID3 tags
|
|
|
if (@$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 $this->warning('ID3v2 tags not allowed on this file type.');
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// Check for illegal APE tags
|
|
|
if (@$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.');
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
// Set mime type
|
|
|
$this->info['mime_type'] = $determined_format['mime_type'];
|
|
|
|
|
|
// Calc module file name
|
|
|
$determined_format['include'] = 'module.'.$determined_format['group'].'.'.$determined_format['module'].'.php';
|
|
|
|
|
|
// Supported format signature pattern detected, but module deleted.
|
|
|
if (!file_exists($this->include_path.$determined_format['include'])) {
|
|
|
fclose($this->fp);
|
|
|
throw new getid3_exception('Format not supported, module, '.$determined_format['include'].', was removed.');
|
|
|
}
|
|
|
|
|
|
// Include module
|
|
|
$this->include_module($determined_format['group'].'.'.$determined_format['module']);
|
|
|
|
|
|
// Instantiate module class and analyze
|
|
|
$class_name = 'getid3_'.$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 $e) {
|
|
|
throw new getid3_exception('Corrupt file.');
|
|
|
}
|
|
|
|
|
|
// Close file
|
|
|
fclose($this->fp);
|
|
|
|
|
|
// Optional - Process all tags - copy to 'tags' and convert charsets
|
|
|
if ($this->option_tags_process) {
|
|
|
$this->HandleAllTags();
|
|
|
}
|
|
|
|
|
|
|
|
|
//// Optional - perform more calculations
|
|
|
if ($this->option_extra_info) {
|
|
|
|
|
|
// Set channelmode on audio
|
|
|
if (@$this->info['audio']['channels'] == '1') {
|
|
|
$this->info['audio']['channelmode'] = 'mono';
|
|
|
} elseif (@$this->info['audio']['channels'] == '2') {
|
|
|
$this->info['audio']['channelmode'] = 'stereo';
|
|
|
}
|
|
|
|
|
|
// Calculate combined bitrate - audio + video
|
|
|
$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) / $this->info['bitrate'];
|
|
|
}
|
|
|
|
|
|
// Set playtime string
|
|
|
if (!empty($this->info['playtime_seconds']) && empty($this->info['playtime_string'])) {
|
|
|
$this->info['playtime_string'] = floor(round($this->info['playtime_seconds']) / 60) . ':' . str_pad(floor(round($this->info['playtime_seconds']) % 60), 2, 0, STR_PAD_LEFT);;
|
|
|
}
|
|
|
|
|
|
|
|
|
// CalculateCompressionRatioVideo() {
|
|
|
if (@$this->info['video'] && @$this->info['video']['resolution_x'] && @$this->info['video']['resolution_y'] && @$this->info['video']['bits_per_sample']) {
|
|
|
|
|
|
// From static image formats
|
|
|
if (in_array($this->info['video']['dataformat'], array ('bmp', 'gif', 'jpeg', 'jpg', 'png', 'tiff'))) {
|
|
|
$frame_rate = 1;
|
|
|
$bitrate_compressed = $this->info['filesize'] * 8;
|
|
|
}
|
|
|
|
|
|
// From video formats
|
|
|
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'] * $frame_rate);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
// CalculateCompressionRatioAudio() {
|
|
|
if (@$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'] ? $stream_data['bits_per_sample'] : 16));
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
// CalculateReplayGain() {
|
|
|
if (@$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']);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
// ProcessAudioStreams() {
|
|
|
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] = $value;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
// Get the md5/sha1sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags.
|
|
|
if ($this->option_md5_data || $this->option_sha1_data) {
|
|
|
|
|
|
// Load data-hash library if needed
|
|
|
$this->include_module('lib.data_hash');
|
|
|
|
|
|
if ($this->option_sha1_data) {
|
|
|
new getid3_lib_data_hash($this, 'sha1');
|
|
|
}
|
|
|
|
|
|
if ($this->option_md5_data) {
|
|
|
|
|
|
// no md5_data_source or option disabled -- md5_data_source supported by FLAC, MAC, OptimFROG, Wavpack4
|
|
|
if (!$this->option_md5_data_source || !@$this->info['md5_data_source']) {
|
|
|
new getid3_lib_data_hash($this, 'md5');
|
|
|
}
|
|
|
|
|
|
// copy md5_data_source to md5_data if option set to true
|
|
|
elseif ($this->option_md5_data_source && @$this->info['md5_data_source']) {
|
|
|
$this->info['md5_data'] = $this->info['md5_data_source'];
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// Set warnings
|
|
|
if ($this->warnings) {
|
|
|
$this->info['warning'] = $this->warnings;
|
|
|
}
|
|
|
|
|
|
// Return result
|
|
|
return $this->info;
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Return array of warnings
|
|
|
public function warnings() {
|
|
|
|
|
|
return $this->warnings;
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Add warning(s) to $this->warnings[]
|
|
|
public function warning($message) {
|
|
|
|
|
|
if (is_array($message)) {
|
|
|
$this->warnings = array_merge($this->warnings, $message);
|
|
|
}
|
|
|
else {
|
|
|
$this->warnings[] = $message;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Clear all warnings when cloning
|
|
|
public function __clone() {
|
|
|
|
|
|
$this->warnings = array ();
|
|
|
|
|
|
// Copy info array, otherwise it will be a reference.
|
|
|
$temp = $this->info;
|
|
|
unset($this->info);
|
|
|
$this->info = $temp;
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Convert string between charsets -- iconv() wrapper
|
|
|
public function iconv($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, $string);
|
|
|
}
|
|
|
|
|
|
|
|
|
// iconv() present
|
|
|
if ($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;
|
|
|
}
|
|
|
|
|
|
|
|
|
// Return array containing information about all supported formats
|
|
|
public static function GetFileFormatArray() {
|
|
|
|
|
|
static $format_info = array (
|
|
|
|
|
|
// Audio formats
|
|
|
|
|
|
// AC-3 - audio - Dolby AC-3 / Dolby Digital
|
|
|
'ac3' => array (
|
|
|
'pattern' => '^\x0B\x77',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'ac3',
|
|
|
'mime_type' => 'audio/ac3',
|
|
|
),
|
|
|
|
|
|
// AAC - audio - Advanced Audio Coding (AAC) - ADIF format
|
|
|
'adif' => array (
|
|
|
'pattern' => '^ADIF',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'aac_adif',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
'fail_ape' => 'WARNING',
|
|
|
),
|
|
|
|
|
|
|
|
|
// AAC - audio - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3)
|
|
|
'adts' => array (
|
|
|
'pattern' => '^\xFF[\xF0-\xF1\xF8-\xF9]',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'aac_adts',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
'fail_ape' => 'WARNING',
|
|
|
),
|
|
|
|
|
|
|
|
|
// AU - audio - NeXT/Sun AUdio (AU)
|
|
|
'au' => array (
|
|
|
'pattern' => '^\.snd',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'au',
|
|
|
'mime_type' => 'audio/basic',
|
|
|
),
|
|
|
|
|
|
// AVR - audio - Audio Visual Research
|
|
|
'avr' => array (
|
|
|
'pattern' => '^2BIT',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'avr',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
),
|
|
|
|
|
|
// BONK - audio - Bonk v0.9+
|
|
|
'bonk' => array (
|
|
|
'pattern' => '^\x00(BONK|INFO|META| ID3)',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'bonk',
|
|
|
'mime_type' => 'audio/xmms-bonk',
|
|
|
),
|
|
|
|
|
|
// DTS - audio - Dolby Theatre System
|
|
|
'dts' => array(
|
|
|
'pattern' => '^\x7F\xFE\x80\x01',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'dts',
|
|
|
'mime_type' => 'audio/dts',
|
|
|
),
|
|
|
|
|
|
// FLAC - audio - Free Lossless Audio Codec
|
|
|
'flac' => array (
|
|
|
'pattern' => '^fLaC',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'xiph',
|
|
|
'mime_type' => 'audio/x-flac',
|
|
|
),
|
|
|
|
|
|
// LA - audio - Lossless Audio (LA)
|
|
|
'la' => array (
|
|
|
'pattern' => '^LA0[2-4]',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'la',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
),
|
|
|
|
|
|
// LPAC - audio - Lossless Predictive Audio Compression (LPAC)
|
|
|
'lpac' => array (
|
|
|
'pattern' => '^LPAC',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'lpac',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
),
|
|
|
|
|
|
// MIDI - audio - MIDI (Musical Instrument Digital Interface)
|
|
|
'midi' => array (
|
|
|
'pattern' => '^MThd',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'midi',
|
|
|
'mime_type' => 'audio/midi',
|
|
|
),
|
|
|
|
|
|
// MAC - audio - Monkey's Audio Compressor
|
|
|
'mac' => array (
|
|
|
'pattern' => '^MAC ',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'monkey',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
),
|
|
|
|
|
|
// MOD - audio - MODule (assorted sub-formats)
|
|
|
'mod' => array (
|
|
|
'pattern' => '^.{1080}(M.K.|[5-9]CHN|[1-3][0-9]CH)',
|
|
|
'mime_type' => 'audio/mod',
|
|
|
),
|
|
|
|
|
|
// MOD - audio - MODule (Impulse Tracker)
|
|
|
'it' => array (
|
|
|
'pattern' => '^IMPM',
|
|
|
'mime_type' => 'audio/it',
|
|
|
),
|
|
|
|
|
|
// MOD - audio - MODule (eXtended Module, various sub-formats)
|
|
|
'xm' => array (
|
|
|
'pattern' => '^Extended Module',
|
|
|
'mime_type' => 'audio/xm',
|
|
|
),
|
|
|
|
|
|
// MOD - audio - MODule (ScreamTracker)
|
|
|
's3m' => array (
|
|
|
'pattern' => '^.{44}SCRM',
|
|
|
'mime_type' => 'audio/s3m',
|
|
|
),
|
|
|
|
|
|
// MPC - audio - Musepack / MPEGplus SV7+
|
|
|
'mpc' => array (
|
|
|
'pattern' => '^(MP\+)',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'mpc',
|
|
|
'mime_type' => 'audio/x-musepack',
|
|
|
),
|
|
|
|
|
|
// MPC - audio - Musepack / MPEGplus SV4-6
|
|
|
'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 - audio - MPEG-audio Layer 3 (very similar to AAC-ADTS)
|
|
|
'mp3' => array (
|
|
|
'pattern' => '^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'mp3',
|
|
|
'mime_type' => 'audio/mpeg',
|
|
|
),
|
|
|
|
|
|
// OFR - audio - OptimFROG
|
|
|
'ofr' => array (
|
|
|
'pattern' => '^(\*RIFF|OFR)',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'optimfrog',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
),
|
|
|
|
|
|
// RKAU - audio - RKive AUdio compressor
|
|
|
'rkau' => array (
|
|
|
'pattern' => '^RKA',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'rkau',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
),
|
|
|
|
|
|
// SHN - audio - Shorten
|
|
|
'shn' => array (
|
|
|
'pattern' => '^ajkg',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'shorten',
|
|
|
'mime_type' => 'audio/xmms-shn',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
// TTA - audio - TTA Lossless Audio Compressor (http://tta.corecodec.org)
|
|
|
'tta' => array (
|
|
|
'pattern' => '^TTA', // could also be '^TTA(\x01|\x02|\x03|2|1)'
|
|
|
'group' => 'audio',
|
|
|
'module' => 'tta',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
),
|
|
|
|
|
|
// VOC - audio - Creative Voice (VOC)
|
|
|
'voc' => array (
|
|
|
'pattern' => '^Creative Voice File',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'voc',
|
|
|
'mime_type' => 'audio/voc',
|
|
|
),
|
|
|
|
|
|
// VQF - audio - transform-domain weighted interleave Vector Quantization Format (VQF)
|
|
|
'vqf' => array (
|
|
|
'pattern' => '^TWIN',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'vqf',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
),
|
|
|
|
|
|
// WV - audio - WavPack (v4.0+)
|
|
|
'vw' => array(
|
|
|
'pattern' => '^wvpk',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'wavpack',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
),
|
|
|
|
|
|
|
|
|
// Audio-Video formats
|
|
|
|
|
|
// ASF - audio/video - Advanced Streaming Format, Windows Media Video, Windows Media Audio
|
|
|
'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 - audio/video - Bink / Smacker
|
|
|
'bink' => array(
|
|
|
'pattern' => '^(BIK|SMK)',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
),
|
|
|
|
|
|
// FLV - audio/video - FLash Video
|
|
|
'flv' => array(
|
|
|
'pattern' => '^FLV\x01',
|
|
|
'group' => 'audio-video',
|
|
|
'module' => 'flv',
|
|
|
'mime_type' => 'video/x-flv',
|
|
|
),
|
|
|
|
|
|
// MKAV - audio/video - Mastroka
|
|
|
'matroska' => array (
|
|
|
'pattern' => '^\x1A\x45\xDF\xA3',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
),
|
|
|
|
|
|
// MPEG - audio/video - MPEG (Moving Pictures Experts Group)
|
|
|
'mpeg' => array (
|
|
|
'pattern' => '^\x00\x00\x01(\xBA|\xB3)',
|
|
|
'group' => 'audio-video',
|
|
|
'module' => 'mpeg',
|
|
|
'mime_type' => 'video/mpeg',
|
|
|
),
|
|
|
|
|
|
// NSV - audio/video - Nullsoft Streaming Video (NSV)
|
|
|
'nsv' => array (
|
|
|
'pattern' => '^NSV[sf]',
|
|
|
'group' => 'audio-video',
|
|
|
'module' => 'nsv',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
),
|
|
|
|
|
|
// Ogg - audio/video - Ogg (Ogg Vorbis, OggFLAC, Speex, Ogg Theora(*), Ogg Tarkin(*))
|
|
|
'ogg' => array (
|
|
|
'pattern' => '^OggS',
|
|
|
'group' => 'audio',
|
|
|
'module' => 'xiph',
|
|
|
'mime_type' => 'application/ogg',
|
|
|
'fail_id3' => 'WARNING',
|
|
|
'fail_ape' => 'WARNING',
|
|
|
),
|
|
|
|
|
|
// QT - audio/video - Quicktime
|
|
|
'quicktime' => array (
|
|
|
'pattern' => '^.{4}(cmov|free|ftyp|mdat|moov|pnot|skip|wide)',
|
|
|
'group' => 'audio-video',
|
|
|
'module' => 'quicktime',
|
|
|
'mime_type' => 'video/quicktime',
|
|
|
),
|
|
|
|
|
|
// 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)
|
|
|
'riff' => array (
|
|
|
'pattern' => '^(RIFF|SDSS|FORM)',
|
|
|
'group' => 'audio-video',
|
|
|
'module' => 'riff',
|
|
|
'mime_type' => 'audio/x-wave',
|
|
|
'fail_ape' => 'WARNING',
|
|
|
),
|
|
|
|
|
|
// Real - audio/video - RealAudio, RealVideo
|
|
|
'real' => array (
|
|
|
'pattern' => '^(\.RMF|.ra)',
|
|
|
'group' => 'audio-video',
|
|
|
'module' => 'real',
|
|
|
'mime_type' => 'audio/x-realaudio',
|
|
|
),
|
|
|
|
|
|
// SWF - audio/video - ShockWave Flash
|
|
|
'swf' => array (
|
|
|
'pattern' => '^(F|C)WS',
|
|
|
'group' => 'audio-video',
|
|
|
'module' => 'swf',
|
|
|
'mime_type' => 'application/x-shockwave-flash',
|
|
|
),
|
|
|
|
|
|
|
|
|
// Still-Image formats
|
|
|
|
|
|
// BMP - still image - Bitmap (Windows, OS/2; uncompressed, RLE8, RLE4)
|
|
|
'bmp' => array (
|
|
|
'pattern' => '^BM',
|
|
|
'group' => 'graphic',
|
|
|
'module' => 'bmp',
|
|
|
'mime_type' => 'image/bmp',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
// GIF - still image - Graphics Interchange Format
|
|
|
'gif' => array (
|
|
|
'pattern' => '^GIF',
|
|
|
'group' => 'graphic',
|
|
|
'module' => 'gif',
|
|
|
'mime_type' => 'image/gif',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
// JPEG - still image - Joint Photographic Experts Group (JPEG)
|
|
|
'jpeg' => array (
|
|
|
'pattern' => '^\xFF\xD8\xFF',
|
|
|
'group' => 'graphic',
|
|
|
'module' => 'jpeg',
|
|
|
'mime_type' => 'image/jpeg',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
// PCD - still image - Kodak Photo CD
|
|
|
'pcd' => array (
|
|
|
'pattern' => '^.{2048}PCD_IPI\x00',
|
|
|
'group' => 'graphic',
|
|
|
'module' => 'pcd',
|
|
|
'mime_type' => 'image/x-photo-cd',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
|
|
|
// PNG - still image - Portable Network Graphics (PNG)
|
|
|
'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 - still image - Scalable Vector Graphics (SVG)
|
|
|
'svg' => array(
|
|
|
'pattern' => '<!DOCTYPE svg PUBLIC ',
|
|
|
'mime_type' => 'image/svg+xml',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
|
|
|
// TIFF - still image - Tagged Information File Format (TIFF)
|
|
|
'tiff' => array (
|
|
|
'pattern' => '^(II\x2A\x00|MM\x00\x2A)',
|
|
|
'group' => 'graphic',
|
|
|
'module' => 'tiff',
|
|
|
'mime_type' => 'image/tiff',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
|
|
|
// Data formats
|
|
|
|
|
|
'exe' => array(
|
|
|
'pattern' => '^MZ',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
// ISO - data - International Standards Organization (ISO) CD-ROM Image
|
|
|
'iso' => array (
|
|
|
'pattern' => '^.{32769}CD001',
|
|
|
'group' => 'misc',
|
|
|
'module' => 'iso',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
// RAR - data - RAR compressed data
|
|
|
'rar' => array(
|
|
|
'pattern' => '^Rar\!',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
// SZIP - audio - SZIP compressed data
|
|
|
'szip' => array (
|
|
|
'pattern' => '^SZ\x0A\x04',
|
|
|
'group' => 'archive',
|
|
|
'module' => 'szip',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
// TAR - data - TAR compressed data
|
|
|
'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',
|
|
|
),
|
|
|
|
|
|
// GZIP - data - GZIP compressed data
|
|
|
'gz' => array(
|
|
|
'pattern' => '^\x1F\x8B\x08',
|
|
|
'group' => 'archive',
|
|
|
'module' => 'gzip',
|
|
|
'mime_type' => 'application/x-gzip',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
|
|
|
// ZIP - data - ZIP compressed data
|
|
|
'zip' => array (
|
|
|
'pattern' => '^PK\x03\x04',
|
|
|
'group' => 'archive',
|
|
|
'module' => 'zip',
|
|
|
'mime_type' => 'application/zip',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
|
|
|
// PAR2 - data - Parity Volume Set Specification 2.0
|
|
|
'par2' => array (
|
|
|
'pattern' => '^PAR2\x00PKT',
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
|
|
|
// PDF - data - Portable Document Format
|
|
|
'pdf' => array(
|
|
|
'pattern' => '^\x25PDF',
|
|
|
'mime_type' => 'application/pdf',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
|
|
|
// DOC - data - Microsoft Word
|
|
|
'msoffice' => array(
|
|
|
'pattern' => '^\xD0\xCF\x11\xE0', // D0CF11E == DOCFILE == Microsoft Office Document
|
|
|
'mime_type' => 'application/octet-stream',
|
|
|
'fail_id3' => 'ERROR',
|
|
|
'fail_ape' => 'ERROR',
|
|
|
),
|
|
|
);
|
|
|
|
|
|
return $format_info;
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Recursive over array - converts array to $encoding charset from $this->encoding
|
|
|
function CharConvert(&$array, $encoding) {
|
|
|
|
|
|
// Identical encoding - end here
|
|
|
if ($encoding == $this->encoding) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
// Loop thru array
|
|
|
foreach ($array as $key => $value) {
|
|
|
|
|
|
// Go recursive
|
|
|
if (is_array($value)) {
|
|
|
$this->CharConvert($array[$key], $encoding);
|
|
|
}
|
|
|
|
|
|
// Convert string
|
|
|
elseif (is_string($value)) {
|
|
|
$array[$key] = $this->iconv($encoding, $this->encoding, $value);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Convert and copy tags
|
|
|
protected function HandleAllTags() {
|
|
|
|
|
|
// Key name => array (tag name, character encoding)
|
|
|
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', ''), // change below - cannot assign variable to static array
|
|
|
'id3v2' => array ('id3v2', 'UTF-8'), // module converts all frames to UTF-8
|
|
|
'ape' => array ('ape', 'UTF-8')
|
|
|
);
|
|
|
$tags['id3v1'][1] = $this->encoding_id3v1;
|
|
|
|
|
|
// Loop thru tags array
|
|
|
foreach ($tags as $comment_name => $tag_name_encoding_array) {
|
|
|
list($tag_name, $encoding) = $tag_name_encoding_array;
|
|
|
|
|
|
// Fill in default encoding type if not already present
|
|
|
@$this->info[$comment_name] and $this->info[$comment_name]['encoding'] = $encoding;
|
|
|
|
|
|
// Copy comments if key name set
|
|
|
if (@$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)][] = $value; // do not trim!! Unicode characters will get mangled if trailing nulls are removed!
|
|
|
}
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
if (!@$this->info['tags'][$tag_name]) {
|
|
|
// comments are set but contain nothing but empty strings, so skip
|
|
|
continue;
|
|
|
}
|
|
|
|
|
|
$this->CharConvert($this->info['tags'][$tag_name], $encoding);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
// Merge comments from ['tags'] into common ['comments']
|
|
|
if (@$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])) {
|
|
|
|
|
|
// fall through and append value
|
|
|
}
|
|
|
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))) {
|
|
|
// new value is identical but shorter-than (or equal-length to) one already in comments - skip
|
|
|
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; // pointer
|
|
|
|
|
|
protected $data_string_flag = false; // analyzing filepointer or string
|
|
|
protected $data_string; // string to analyze
|
|
|
protected $data_string_position = 0; // seek position in string
|
|
|
|
|
|
|
|
|
public function __construct(getID3 $getid3) {
|
|
|
|
|
|
$this->getid3 = $getid3;
|
|
|
}
|
|
|
|
|
|
|
|
|
// Analyze from file pointer
|
|
|
abstract public function Analyze();
|
|
|
|
|
|
|
|
|
|
|
|
// Analyze from string instead
|
|
|
public function AnalyzeString(&$string) {
|
|
|
|
|
|
// Enter string mode
|
|
|
$this->data_string_flag = true;
|
|
|
$this->data_string = $string;
|
|
|
|
|
|
// Save info
|
|
|
$saved_avdataoffset = $this->getid3->info['avdataoffset'];
|
|
|
$saved_avdataend = $this->getid3->info['avdataend'];
|
|
|
$saved_filesize = $this->getid3->info['filesize'];
|
|
|
|
|
|
// Reset some info
|
|
|
$this->getid3->info['avdataoffset'] = 0;
|
|
|
$this->getid3->info['avdataend'] = $this->getid3->info['filesize'] = strlen($string);
|
|
|
|
|
|
// Analyze
|
|
|
$this->Analyze();
|
|
|
|
|
|
// Restore some info
|
|
|
$this->getid3->info['avdataoffset'] = $saved_avdataoffset;
|
|
|
$this->getid3->info['avdataend'] = $saved_avdataend;
|
|
|
$this->getid3->info['filesize'] = $saved_filesize;
|
|
|
|
|
|
// Exit string mode
|
|
|
$this->data_string_flag = false;
|
|
|
}
|
|
|
|
|
|
|
|
|
protected function ftell() {
|
|
|
|
|
|
if ($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 $message;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class getid3_lib
|
|
|
{
|
|
|
|
|
|
// Convert Little Endian byte string to int - max 32 bits
|
|
|
public static function LittleEndian2Int($byte_word, $signed = false) {
|
|
|
|
|
|
return getid3_lib::BigEndian2Int(strrev($byte_word), $signed);
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Convert number to Little Endian byte string
|
|
|
public static function LittleEndian2String($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, $minbytes, "\x00", STR_PAD_RIGHT);
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Convert Big Endian byte string to int - max 32 bits
|
|
|
public static function BigEndian2Int($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 $int_value;
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Convert Big Endian byte sybc safe string to int - max 32 bits
|
|
|
public static function BigEndianSyncSafe2Int($byte_word) {
|
|
|
|
|
|
$int_value = 0;
|
|
|
$byte_wordlen = strlen($byte_word);
|
|
|
|
|
|
// disregard MSB, effectively 7-bit bytes
|
|
|
for ($i = 0; $i < $byte_wordlen; $i++) {
|
|
|
$int_value = $int_value | (ord($byte_word{$i}) & 0x7F) << (($byte_wordlen - 1 - $i) * 7);
|
|
|
}
|
|
|
return $int_value;
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Convert Big Endian byte string to bit string
|
|
|
public static function BigEndian2Bin($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) {
|
|
|
|
|
|
// ANSI/IEEE Standard 754-1985, Standard for Binary Floating Point Arithmetic
|
|
|
// http://www.psc.edu/general/software/packages/ieee/ieee.html
|
|
|
// http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee.html
|
|
|
|
|
|
$bit_word = getid3_lib::BigEndian2Bin($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:
|
|
|
// 80-bit Apple SANE format
|
|
|
// http://www.mactech.com/articles/mactech/Vol.06/06.01/SANENormalized/
|
|
|
$exponent_string = substr($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)) {
|
|
|
// Not a Number
|
|
|
$float_value = false;
|
|
|
} elseif (($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)) {
|
|
|
// These are 'unnormalized' values
|
|
|
$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} : '<EFBFBD>');
|
|
|
}
|
|
|
if ($spaces) {
|
|
|
$return_string .= ' ';
|
|
|
}
|
|
|
}
|
|
|
if ($html_safe) {
|
|
|
$return_string = htmlentities($return_string);
|
|
|
}
|
|
|
return $return_string;
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Process header data string - read several values with algorithm and add to target
|
|
|
// algorithm is one one the getid3_lib::Something2Something() function names
|
|
|
// parts_array is index => length - $target[index] = algorithm(substring(data))
|
|
|
// - OR just substring(data) if length is negative!
|
|
|
// indexes == 'IGNORE**' are ignored
|
|
|
|
|
|
public static function ReadSequence($algorithm, &$target, &$data, $offset, $parts_array) {
|
|
|
|
|
|
// Loop thru $parts_array
|
|
|
foreach ($parts_array as $target_string => $length) {
|
|
|
|
|
|
// Add to target
|
|
|
if (!strstr($target_string, 'IGNORE')) {
|
|
|
|
|
|
// substr(....length)
|
|
|
if ($length < 0) {
|
|
|
$target[$target_string] = substr($data, $offset, -$length);
|
|
|
}
|
|
|
|
|
|
// algorithm(substr(...length))
|
|
|
else {
|
|
|
$target[$target_string] = getid3_lib::$algorithm(substr($data, $offset, $length));
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// Move pointer
|
|
|
$offset += abs($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;
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
?>
|
|
|
|
