1757 lines
62 KiB
PHP
1757 lines
62 KiB
PHP
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<?php
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/////////////////////////////////////////////////////////////////
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/// getID3() by James Heinrich <info@getid3.org> //
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// available at http://getid3.sourceforge.net //
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// or http://www.getid3.org //
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/////////////////////////////////////////////////////////////////
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// //
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// Please see readme.txt for more information //
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// ///
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/////////////////////////////////////////////////////////////////
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// attempt to define temp dir as something flexible but reliable
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$temp_dir = ini_get('upload_tmp_dir');
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if ($temp_dir && (!is_dir($temp_dir) || !is_readable($temp_dir))) {
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$temp_dir = '';
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}
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if (!$temp_dir && function_exists('sys_get_temp_dir')) {
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// PHP v5.2.1+
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// sys_get_temp_dir() may give inaccessible temp dir, e.g. with open_basedir on virtual hosts
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$temp_dir = sys_get_temp_dir();
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}
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$temp_dir = realpath($temp_dir);
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$open_basedir = ini_get('open_basedir');
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if ($open_basedir) {
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// e.g. "/var/www/vhosts/getid3.org/httpdocs/:/tmp/"
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$temp_dir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $temp_dir);
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$open_basedir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $open_basedir);
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if (substr($temp_dir, -1, 1) != DIRECTORY_SEPARATOR) {
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$temp_dir .= DIRECTORY_SEPARATOR;
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}
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$found_valid_tempdir = false;
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$open_basedirs = explode(':', $open_basedir);
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foreach ($open_basedirs as $basedir) {
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if (substr($basedir, -1, 1) != DIRECTORY_SEPARATOR) {
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$basedir .= DIRECTORY_SEPARATOR;
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}
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if (preg_match('#^'.preg_quote($basedir).'#', $temp_dir)) {
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$found_valid_tempdir = true;
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break;
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}
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}
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if (!$found_valid_tempdir) {
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$temp_dir = '';
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}
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unset($open_basedirs, $found_valid_tempdir, $basedir);
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}
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if (!$temp_dir) {
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$temp_dir = '*'; // invalid directory name should force tempnam() to use system default temp dir
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}
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// $temp_dir = '/something/else/'; // feel free to override temp dir here if it works better for your system
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define('GETID3_TEMP_DIR', $temp_dir);
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unset($open_basedir, $temp_dir);
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// define a constant rather than looking up every time it is needed
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if (!defined('GETID3_OS_ISWINDOWS')) {
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if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
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define('GETID3_OS_ISWINDOWS', true);
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} else {
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define('GETID3_OS_ISWINDOWS', false);
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}
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}
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// Get base path of getID3() - ONCE
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if (!defined('GETID3_INCLUDEPATH')) {
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foreach (get_included_files() as $key => $val) {
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if (basename($val) == 'getid3.php') {
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define('GETID3_INCLUDEPATH', dirname($val).DIRECTORY_SEPARATOR);
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break;
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}
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}
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}
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// End: Defines
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class getID3
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{
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// public: Settings
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public $encoding = 'ISO-8859-1'; // CASE SENSITIVE! - i.e. (must be supported by iconv()). Examples: ISO-8859-1 UTF-8 UTF-16 UTF-16BE
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public $encoding_id3v1 = 'ISO-8859-1'; // Should always be 'ISO-8859-1', but some tags may be written in other encodings such as 'EUC-CN'
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// public: Optional tag checks - disable for speed.
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public $option_tag_id3v1 = true; // Read and process ID3v1 tags
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public $option_tag_id3v2 = true; // Read and process ID3v2 tags
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public $option_tag_lyrics3 = true; // Read and process Lyrics3 tags
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public $option_tag_apetag = true; // Read and process APE tags
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public $option_tags_process = true; // Copy tags to root key 'tags' and encode to $this->encoding
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public $option_tags_html = true; // Copy tags to root key 'tags_html' properly translated from various encodings to HTML entities
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// public: Optional tag/comment calucations
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public $option_extra_info = true; // Calculate additional info such as bitrate, channelmode etc
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// public: Optional handling of embedded attachments (e.g. images)
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public $option_save_attachments = true; // defaults to true (ATTACHMENTS_INLINE) for backward compatibility
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// public: Optional calculations
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public $option_md5_data = false; // Get MD5 sum of data part - slow
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public $option_md5_data_source = false; // Use MD5 of source file if availble - only FLAC and OptimFROG
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public $option_sha1_data = false; // Get SHA1 sum of data part - slow
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public $option_max_2gb_check = null; // Check whether file is larger than 2GB and thus not supported by 32-bit PHP (null: auto-detect based on PHP_INT_MAX)
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// Public variables
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public $filename; // Filename of file being analysed.
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public $fp; // Filepointer to file being analysed.
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public $info; // Result array.
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// Protected variables
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protected $startup_error = '';
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protected $startup_warning = '';
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protected $memory_limit = 0;
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const VERSION = '1.9.0-20110620';
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const FREAD_BUFFER_SIZE = 32768; // Read buffer size in bytes.
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var $tempdir = GETID3_TEMP_DIR;
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const ATTACHMENTS_NONE = false;
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const ATTACHMENTS_INLINE = true;
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// public: constructor
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function getID3() {
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// Check for PHP version
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$required_php_version = '5.0.5';
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if (!function_exists('version_compare') || version_compare(PHP_VERSION, $required_php_version, '<')) {
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// version_compare not available before PHP v4.1.0, so don't use for first version checking
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$this->startup_error .= 'getID3() requires PHP v'.$required_php_version.' or higher - you are running v'.PHP_VERSION;
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return false;
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}
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// Check memory
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$this->memory_limit = ini_get('memory_limit');
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if (preg_match('#([0-9]+)M#i', $this->memory_limit, $matches)) {
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// could be stored as "16M" rather than 16777216 for example
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$this->memory_limit = $matches[1] * 1048576;
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} elseif (preg_match('#([0-9]+)G#i', $this->memory_limit, $matches)) { // The 'G' modifier is available since PHP 5.1.0
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// could be stored as "2G" rather than 2147483648 for example
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$this->memory_limit = $matches[1] * 1073741824;
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}
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if ($this->memory_limit <= 0) {
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// memory limits probably disabled
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} elseif ($this->memory_limit <= 4194304) {
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$this->startup_error .= 'PHP has less than 4MB available memory and will very likely run out. Increase memory_limit in php.ini';
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} elseif ($this->memory_limit <= 12582912) {
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$this->startup_warning .= 'PHP has less than 12MB available memory and might run out if all modules are loaded. Increase memory_limit in php.ini';
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}
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// Check safe_mode off
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if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
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$this->warning('WARNING: Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbos/flac tag writing disabled.');
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}
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if (intval(ini_get('mbstring.func_overload')) > 0) {
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$this->warning('WARNING: php.ini contains "mbstring.func_overload = '.ini_get('mbstring.func_overload').'", this may break things.');
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}
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/*
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// Check timezone config setting
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// this is needed to prevent E_STRICT warnings with any time/date functions
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if (!ini_get('date.timezone')) {
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if (function_exists('date_default_timezone_set')) { // exists since PHP v5.1.0
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$this->warning('php.ini should have "date.timezone" set, but it does not. Setting timezone to "'.date_default_timezone_get().'"');
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date_default_timezone_set(date_default_timezone_get());
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} else {
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$this->warning('php.ini should have "date.timezone" set, but it does not.');
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}
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}
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*/
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// Check for magic_quotes_runtime
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if (function_exists('get_magic_quotes_runtime')) {
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if (get_magic_quotes_runtime()) {
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return $this->startup_error('magic_quotes_runtime must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_runtime(0) and set_magic_quotes_runtime(1).');
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}
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}
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// Check for magic_quotes_gpc
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if (function_exists('magic_quotes_gpc')) {
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if (get_magic_quotes_gpc()) {
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return $this->startup_error('magic_quotes_gpc must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_gpc(0) and set_magic_quotes_gpc(1).');
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}
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}
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// Load support library
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if (!include_once(GETID3_INCLUDEPATH.'getid3.lib.php')) {
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$this->startup_error .= 'getid3.lib.php is missing or corrupt';
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}
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if ($this->option_max_2gb_check === null) {
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$this->option_max_2gb_check = (PHP_INT_MAX <= 2147483647);
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}
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// Needed for Windows only:
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// Define locations of helper applications for Shorten, VorbisComment, MetaFLAC
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// as well as other helper functions such as head, tail, md5sum, etc
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// This path cannot contain spaces, but the below code will attempt to get the
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// 8.3-equivalent path automatically
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// IMPORTANT: This path must include the trailing slash
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if (GETID3_OS_ISWINDOWS && !defined('GETID3_HELPERAPPSDIR')) {
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$helperappsdir = GETID3_INCLUDEPATH.'..'.DIRECTORY_SEPARATOR.'helperapps'; // must not have any space in this path
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if (!is_dir($helperappsdir)) {
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$this->startup_warning .= '"'.$helperappsdir.'" cannot be defined as GETID3_HELPERAPPSDIR because it does not exist';
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} elseif (strpos(realpath($helperappsdir), ' ') !== false) {
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$DirPieces = explode(DIRECTORY_SEPARATOR, realpath($helperappsdir));
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$path_so_far = array();
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foreach ($DirPieces as $key => $value) {
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if (strpos($value, ' ') !== false) {
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if (!empty($path_so_far)) {
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$commandline = 'dir /x '.escapeshellarg(implode(DIRECTORY_SEPARATOR, $path_so_far));
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$dir_listing = `$commandline`;
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$lines = explode("\n", $dir_listing);
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foreach ($lines as $line) {
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$line = trim($line);
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if (preg_match('#^([0-9/]{10}) +([0-9:]{4,5}( [AP]M)?) +(<DIR>|[0-9,]+) +([^ ]{0,11}) +(.+)$#', $line, $matches)) {
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list($dummy, $date, $time, $ampm, $filesize, $shortname, $filename) = $matches;
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if ((strtoupper($filesize) == '<DIR>') && (strtolower($filename) == strtolower($value))) {
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$value = $shortname;
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}
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}
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}
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} else {
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$this->startup_warning .= 'GETID3_HELPERAPPSDIR must not have any spaces in it - use 8dot3 naming convention if neccesary. You can run "dir /x" from the commandline to see the correct 8.3-style names.';
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}
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}
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$path_so_far[] = $value;
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}
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$helperappsdir = implode(DIRECTORY_SEPARATOR, $path_so_far);
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}
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define('GETID3_HELPERAPPSDIR', $helperappsdir.DIRECTORY_SEPARATOR);
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}
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return true;
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}
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function version() {
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$version = getID3::VERSION;
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if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
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// can't use this syntax, even conditionally, since it registers as a parse error before PHP v5.3.0
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// wrapping the new syntax in an eval call should work without causing parse errors in old PHP
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// return $this::VERSION;
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eval('$version = $this::VERSION;');
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}
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return $version;
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}
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function fread_buffer_size() {
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$fread_buffer_size = getID3::FREAD_BUFFER_SIZE;
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if (version_compare(PHP_VERSION, '5.3.0', '>=')) {
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// can't use this syntax, even conditionally, since it registers as a parse error before PHP v5.3.0
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// wrapping the new syntax in an eval call should work without causing parse errors in old PHP
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// return $this::VERSION;
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eval('$fread_buffer_size = $this::FREAD_BUFFER_SIZE;');
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}
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return $fread_buffer_size;
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}
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// public: setOption
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function setOption($optArray) {
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if (!is_array($optArray) || empty($optArray)) {
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return false;
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}
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foreach ($optArray as $opt => $val) {
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if (isset($this->$opt) === false) {
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continue;
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}
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$this->$opt = $val;
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}
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return true;
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}
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function openfile($filename) {
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try {
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if (!empty($this->startup_error)) {
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return $this->error($this->startup_error);
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}
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if (!empty($this->startup_warning)) {
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$this->warning($this->startup_warning);
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}
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// init result array and set parameters
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$this->filename = $filename;
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$this->info = array();
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$this->info['GETID3_VERSION'] = $this->version();
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$this->info['php_memory_limit'] = $this->memory_limit;
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// remote files not supported
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if (preg_match('/^(ht|f)tp:\/\//', $filename)) {
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return $this->error('Remote files are not supported - please copy the file locally first');
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}
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$filename = str_replace('/', DIRECTORY_SEPARATOR, $filename);
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$filename = preg_replace('#(.+)'.preg_quote(DIRECTORY_SEPARATOR).'{2,}#U', '\1'.DIRECTORY_SEPARATOR, $filename);
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// open local file
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if (is_readable($filename) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) {
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// great
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} else {
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return $this->error('Could not open "'.$filename.'" (does not exist, or is not a file)');
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}
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$this->info['filesize'] = filesize($filename);
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// set redundant parameters - might be needed in some include file
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$this->info['filename'] = basename($filename);
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$this->info['filepath'] = str_replace('\\', '/', realpath(dirname($filename)));
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$this->info['filenamepath'] = $this->info['filepath'].'/'.$this->info['filename'];
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|
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// option_max_2gb_check
|
||
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if ($this->option_max_2gb_check) {
|
||
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// PHP (32-bit all, and 64-bit Windows) doesn't support integers larger than 2^31 (~2GB)
|
||
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// filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize
|
||
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// ftell() returns 0 if seeking to the end is beyond the range of unsigned integer
|
||
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$fseek = fseek($this->fp, 0, SEEK_END);
|
||
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if (($fseek < 0) || (($this->info['filesize'] != 0) && (ftell($this->fp) == 0)) ||
|
||
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($this->info['filesize'] < 0) ||
|
||
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(ftell($this->fp) < 0)) {
|
||
|
|
$real_filesize = false;
|
||
|
|
if (GETID3_OS_ISWINDOWS) {
|
||
|
|
$commandline = 'dir /-C "'.str_replace('/', DIRECTORY_SEPARATOR, $filename).'"';
|
||
|
|
$dir_output = `$commandline`;
|
||
|
|
if (preg_match('#1 File\(s\)[ ]+([0-9]+) bytes#i', $dir_output, $matches)) {
|
||
|
|
$real_filesize = (float) $matches[1];
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$commandline = 'ls -o -g -G --time-style=long-iso '.escapeshellarg($filename);
|
||
|
|
$dir_output = `$commandline`;
|
||
|
|
if (preg_match('#([0-9]+) ([0-9]{4}-[0-9]{2}\-[0-9]{2} [0-9]{2}:[0-9]{2}) '.str_replace('#', '\\#', preg_quote($filename)).'$#', $dir_output, $matches)) {
|
||
|
|
$real_filesize = (float) $matches[1];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ($real_filesize === false) {
|
||
|
|
unset($this->info['filesize']);
|
||
|
|
fclose($this->fp);
|
||
|
|
return $this->error('Unable to determine actual filesize. File is most likely larger than '.round(PHP_INT_MAX / 1073741824).'GB and is not supported by PHP.');
|
||
|
|
} elseif (getid3_lib::intValueSupported($real_filesize)) {
|
||
|
|
unset($this->info['filesize']);
|
||
|
|
fclose($this->fp);
|
||
|
|
return $this->error('PHP seems to think the file is larger than '.round(PHP_INT_MAX / 1073741824).'GB, but filesystem reports it as '.number_format($real_filesize, 3).'GB, please report to info@getid3.org');
|
||
|
|
}
|
||
|
|
$this->info['filesize'] = $real_filesize;
|
||
|
|
$this->error('File is larger than '.round(PHP_INT_MAX / 1073741824).'GB (filesystem reports it as '.number_format($real_filesize, 3).'GB) and is not properly supported by PHP.');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// set more parameters
|
||
|
|
$this->info['avdataoffset'] = 0;
|
||
|
|
$this->info['avdataend'] = $this->info['filesize'];
|
||
|
|
$this->info['fileformat'] = ''; // filled in later
|
||
|
|
$this->info['audio']['dataformat'] = ''; // filled in later, unset if not used
|
||
|
|
$this->info['video']['dataformat'] = ''; // filled in later, unset if not used
|
||
|
|
$this->info['tags'] = array(); // filled in later, unset if not used
|
||
|
|
$this->info['error'] = array(); // filled in later, unset if not used
|
||
|
|
$this->info['warning'] = array(); // filled in later, unset if not used
|
||
|
|
$this->info['comments'] = array(); // filled in later, unset if not used
|
||
|
|
$this->info['encoding'] = $this->encoding; // required by id3v2 and iso modules - can be unset at the end if desired
|
||
|
|
|
||
|
|
} catch (Exception $e) {
|
||
|
|
if (isset($this->info['error'])) {
|
||
|
|
$this->info['error'][] = 'Caught exception: '.$e->getMessage();
|
||
|
|
} else {
|
||
|
|
$this->info['error'] = array('Caught exception: '.$e->getMessage());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// public: analyze file
|
||
|
|
function analyze($filename) {
|
||
|
|
try {
|
||
|
|
$this->openfile($filename);
|
||
|
|
|
||
|
|
// Handle tags
|
||
|
|
foreach (array('id3v2'=>'id3v2', 'id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) {
|
||
|
|
$option_tag = 'option_tag_'.$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 $e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (isset($this->info['id3v2']['tag_offset_start'])) {
|
||
|
|
$this->info['avdataoffset'] = max($this->info['avdataoffset'], $this->info['id3v2']['tag_offset_end']);
|
||
|
|
}
|
||
|
|
foreach (array('id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) {
|
||
|
|
if (isset($this->info[$tag_key]['tag_offset_start'])) {
|
||
|
|
$this->info['avdataend'] = min($this->info['avdataend'], $this->info[$tag_key]['tag_offset_start']);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ID3v2 detection (NOT parsing), even if ($this->option_tag_id3v2 == false) done to make fileformat easier
|
||
|
|
if (!$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
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// read 32 kb file data
|
||
|
|
fseek($this->fp, $this->info['avdataoffset'], SEEK_SET);
|
||
|
|
$formattest = fread($this->fp, 32774);
|
||
|
|
|
||
|
|
// determine format
|
||
|
|
$determined_format = $this->GetFileFormat($formattest, $filename);
|
||
|
|
|
||
|
|
// unable to determine file format
|
||
|
|
if (!$determined_format) {
|
||
|
|
fclose($this->fp);
|
||
|
|
return $this->error('unable to determine file format');
|
||
|
|
}
|
||
|
|
|
||
|
|
// check for illegal ID3 tags
|
||
|
|
if (isset($determined_format['fail_id3']) && (in_array('id3v1', $this->info['tags']) || in_array('id3v2', $this->info['tags']))) {
|
||
|
|
if ($determined_format['fail_id3'] === 'ERROR') {
|
||
|
|
fclose($this->fp);
|
||
|
|
return $this->error('ID3 tags not allowed on this file type.');
|
||
|
|
} elseif ($determined_format['fail_id3'] === 'WARNING') {
|
||
|
|
$this->info['warning'][] = 'ID3 tags not allowed on this file type.';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// check for illegal APE tags
|
||
|
|
if (isset($determined_format['fail_ape']) && in_array('ape', $this->info['tags'])) {
|
||
|
|
if ($determined_format['fail_ape'] === 'ERROR') {
|
||
|
|
fclose($this->fp);
|
||
|
|
return $this->error('APE tags not allowed on this file type.');
|
||
|
|
} elseif ($determined_format['fail_ape'] === 'WARNING') {
|
||
|
|
$this->info['warning'][] = 'APE tags not allowed on this file type.';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// set mime type
|
||
|
|
$this->info['mime_type'] = $determined_format['mime_type'];
|
||
|
|
|
||
|
|
// supported format signature pattern detected, but module deleted
|
||
|
|
if (!file_exists(GETID3_INCLUDEPATH.$determined_format['include'])) {
|
||
|
|
fclose($this->fp);
|
||
|
|
return $this->error('Format not supported, module "'.$determined_format['include'].'" was removed.');
|
||
|
|
}
|
||
|
|
|
||
|
|
// module requires iconv support
|
||
|
|
// Check encoding/iconv support
|
||
|
|
if (!empty($determined_format['iconv_req']) && !function_exists('iconv') && !in_array($this->encoding, array('ISO-8859-1', 'UTF-8', 'UTF-16LE', 'UTF-16BE', 'UTF-16'))) {
|
||
|
|
$errormessage = 'iconv() support is required for this module ('.$determined_format['include'].') for encodings other than ISO-8859-1, UTF-8, UTF-16LE, UTF16-BE, UTF-16. ';
|
||
|
|
if (GETID3_OS_ISWINDOWS) {
|
||
|
|
$errormessage .= 'PHP does not have iconv() support. Please enable php_iconv.dll in php.ini, and copy iconv.dll from c:/php/dlls to c:/windows/system32';
|
||
|
|
} else {
|
||
|
|
$errormessage .= 'PHP is not compiled with iconv() support. Please recompile with the --with-iconv switch';
|
||
|
|
}
|
||
|
|
return $this->error($errormessage);
|
||
|
|
}
|
||
|
|
|
||
|
|
// include module
|
||
|
|
include_once(GETID3_INCLUDEPATH.$determined_format['include']);
|
||
|
|
|
||
|
|
// instantiate module class
|
||
|
|
$class_name = 'getid3_'.$determined_format['module'];
|
||
|
|
if (!class_exists($class_name)) {
|
||
|
|
return $this->error('Format not supported, module "'.$determined_format['include'].'" is corrupt.');
|
||
|
|
}
|
||
|
|
//if (isset($determined_format['option'])) {
|
||
|
|
// //$class = new $class_name($this->fp, $this->info, $determined_format['option']);
|
||
|
|
//} else {
|
||
|
|
//$class = new $class_name($this->fp, $this->info);
|
||
|
|
$class = new $class_name($this);
|
||
|
|
//}
|
||
|
|
|
||
|
|
if (!empty($determined_format['set_inline_attachments'])) {
|
||
|
|
$class->inline_attachments = $this->option_save_attachments;
|
||
|
|
}
|
||
|
|
$class->Analyze();
|
||
|
|
|
||
|
|
unset($class);
|
||
|
|
|
||
|
|
// close file
|
||
|
|
fclose($this->fp);
|
||
|
|
|
||
|
|
// process all tags - copy to 'tags' and convert charsets
|
||
|
|
if ($this->option_tags_process) {
|
||
|
|
$this->HandleAllTags();
|
||
|
|
}
|
||
|
|
|
||
|
|
// perform more calculations
|
||
|
|
if ($this->option_extra_info) {
|
||
|
|
$this->ChannelsBitratePlaytimeCalculations();
|
||
|
|
$this->CalculateCompressionRatioVideo();
|
||
|
|
$this->CalculateCompressionRatioAudio();
|
||
|
|
$this->CalculateReplayGain();
|
||
|
|
$this->ProcessAudioStreams();
|
||
|
|
}
|
||
|
|
|
||
|
|
// get the MD5 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags
|
||
|
|
if ($this->option_md5_data) {
|
||
|
|
// do not cald md5_data if md5_data_source is present - set by flac only - future MPC/SV8 too
|
||
|
|
if (!$this->option_md5_data_source || empty($this->info['md5_data_source'])) {
|
||
|
|
$this->getHashdata('md5');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// get the SHA1 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags
|
||
|
|
if ($this->option_sha1_data) {
|
||
|
|
$this->getHashdata('sha1');
|
||
|
|
}
|
||
|
|
|
||
|
|
// remove undesired keys
|
||
|
|
$this->CleanUp();
|
||
|
|
|
||
|
|
} catch (Exception $e) {
|
||
|
|
if (isset($this->info['error'])) {
|
||
|
|
$this->info['error'][] = 'Caught exception: '.$e->getMessage();
|
||
|
|
} else {
|
||
|
|
$this->info['error'] = array('Caught exception: '.$e->getMessage());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// return info array
|
||
|
|
return $this->info;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// private: error handling
|
||
|
|
function error($message) {
|
||
|
|
$this->CleanUp();
|
||
|
|
|
||
|
|
$this->info['error'][] = $message;
|
||
|
|
return $this->info;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// private: warning handling
|
||
|
|
function warning($message) {
|
||
|
|
$this->info['warning'][] = $message;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// private: CleanUp
|
||
|
|
function CleanUp() {
|
||
|
|
|
||
|
|
// remove possible empty keys
|
||
|
|
$AVpossibleEmptyKeys = array('dataformat', 'bits_per_sample', 'encoder_options', 'streams', 'bitrate');
|
||
|
|
foreach ($AVpossibleEmptyKeys as $dummy => $key) {
|
||
|
|
if (empty($this->info['audio'][$key]) && isset($this->info['audio'][$key])) {
|
||
|
|
unset($this->info['audio'][$key]);
|
||
|
|
}
|
||
|
|
if (empty($this->info['video'][$key]) && isset($this->info['video'][$key])) {
|
||
|
|
unset($this->info['video'][$key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// remove empty root keys
|
||
|
|
if (!empty($this->info)) {
|
||
|
|
foreach ($this->info as $key => $value) {
|
||
|
|
if (empty($this->info[$key]) && ($this->info[$key] !== 0) && ($this->info[$key] !== '0')) {
|
||
|
|
unset($this->info[$key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// remove meaningless entries from unknown-format files
|
||
|
|
if (empty($this->info['fileformat'])) {
|
||
|
|
if (isset($this->info['avdataoffset'])) {
|
||
|
|
unset($this->info['avdataoffset']);
|
||
|
|
}
|
||
|
|
if (isset($this->info['avdataend'])) {
|
||
|
|
unset($this->info['avdataend']);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// remove possible duplicated identical entries
|
||
|
|
if (!empty($this->info['error'])) {
|
||
|
|
$this->info['error'] = array_values(array_unique($this->info['error']));
|
||
|
|
}
|
||
|
|
if (!empty($this->info['warning'])) {
|
||
|
|
$this->info['warning'] = array_values(array_unique($this->info['warning']));
|
||
|
|
}
|
||
|
|
|
||
|
|
// remove "global variable" type keys
|
||
|
|
unset($this->info['php_memory_limit']);
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// return array containing information about all supported formats
|
||
|
|
function GetFileFormatArray() {
|
||
|
|
static $format_info = array();
|
||
|
|
if (empty($format_info)) {
|
||
|
|
$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',
|
||
|
|
'mime_type' => 'application/octet-stream',
|
||
|
|
'fail_ape' => 'WARNING',
|
||
|
|
),
|
||
|
|
|
||
|
|
|
||
|
|
// AA - audio - Audible Audiobook
|
||
|
|
'adts' => array(
|
||
|
|
'pattern' => '^.{4}\x57\x90\x75\x36',
|
||
|
|
'group' => 'audio',
|
||
|
|
'module' => 'aa',
|
||
|
|
'mime_type' => 'audio/audible ',
|
||
|
|
),
|
||
|
|
|
||
|
|
// AAC - audio - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3)
|
||
|
|
'adts' => array(
|
||
|
|
'pattern' => '^\xFF[\xF0-\xF1\xF8-\xF9]',
|
||
|
|
'group' => 'audio',
|
||
|
|
'module' => 'aac',
|
||
|
|
'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',
|
||
|
|
),
|
||
|
|
|
||
|
|
// DSS - audio - Digital Speech Standard
|
||
|
|
'dss' => array(
|
||
|
|
'pattern' => '^[\x02-\x03]dss',
|
||
|
|
'group' => 'audio',
|
||
|
|
'module' => 'dss',
|
||
|
|
'mime_type' => 'application/octet-stream',
|
||
|
|
),
|
||
|
|
|
||
|
|
// 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' => 'flac',
|
||
|
|
'mime_type' => 'audio/x-flac',
|
||
|
|
'set_inline_attachments' => true,
|
||
|
|
),
|
||
|
|
|
||
|
|
// 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',
|
||
|
|
),
|
||
|
|
|
||
|
|
// has been known to produce false matches in random files (e.g. JPEGs), leave out until more precise matching available
|
||
|
|
// // MOD - audio - MODule (assorted sub-formats)
|
||
|
|
// 'mod' => array(
|
||
|
|
// 'pattern' => '^.{1080}(M\\.K\\.|M!K!|FLT4|FLT8|[5-9]CHN|[1-3][0-9]CH)',
|
||
|
|
// 'group' => 'audio',
|
||
|
|
// 'module' => 'mod',
|
||
|
|
// 'option' => 'mod',
|
||
|
|
// 'mime_type' => 'audio/mod',
|
||
|
|
// ),
|
||
|
|
|
||
|
|
// MOD - audio - MODule (Impulse Tracker)
|
||
|
|
'it' => array(
|
||
|
|
'pattern' => '^IMPM',
|
||
|
|
'group' => 'audio',
|
||
|
|
'module' => 'mod',
|
||
|
|
//'option' => 'it',
|
||
|
|
'mime_type' => 'audio/it',
|
||
|
|
),
|
||
|
|
|
||
|
|
// MOD - audio - MODule (eXtended Module, various sub-formats)
|
||
|
|
'xm' => array(
|
||
|
|
'pattern' => '^Extended Module',
|
||
|
|
'group' => 'audio',
|
||
|
|
'module' => 'mod',
|
||
|
|
//'option' => 'xm',
|
||
|
|
'mime_type' => 'audio/xm',
|
||
|
|
),
|
||
|
|
|
||
|
|
// MOD - audio - MODule (ScreamTracker)
|
||
|
|
's3m' => array(
|
||
|
|
'pattern' => '^.{44}SCRM',
|
||
|
|
'group' => 'audio',
|
||
|
|
'module' => 'mod',
|
||
|
|
//'option' => 's3m',
|
||
|
|
'mime_type' => 'audio/s3m',
|
||
|
|
),
|
||
|
|
|
||
|
|
// MPC - audio - Musepack / MPEGplus
|
||
|
|
'mpc' => array(
|
||
|
|
'pattern' => '^(MPCK|MP\+|[\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',
|
||
|
|
'mime_type' => 'audio/x-musepack',
|
||
|
|
),
|
||
|
|
|
||
|
|
// MP3 - audio - MPEG-audio Layer 3 (very similar to AAC-ADTS)
|
||
|
|
'mp3' => array(
|
||
|
|
'pattern' => '^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\x0B\x10-\x1B\x20-\x2B\x30-\x3B\x40-\x4B\x50-\x5B\x60-\x6B\x70-\x7B\x80-\x8B\x90-\x9B\xA0-\xAB\xB0-\xBB\xC0-\xCB\xD0-\xDB\xE0-\xEB\xF0-\xFB]',
|
||
|
|
'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+)
|
||
|
|
'wv' => 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',
|
||
|
|
'iconv_req' => false,
|
||
|
|
),
|
||
|
|
|
||
|
|
// BINK - audio/video - Bink / Smacker
|
||
|
|
'bink' => array(
|
||
|
|
'pattern' => '^(BIK|SMK)',
|
||
|
|
'group' => 'audio-video',
|
||
|
|
'module' => 'bink',
|
||
|
|
'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',
|
||
|
|
'group' => 'audio-video',
|
||
|
|
'module' => 'matroska',
|
||
|
|
'mime_type' => 'video/x-matroska', // may also be audio/x-matroska
|
||
|
|
'set_inline_attachments' => true,
|
||
|
|
),
|
||
|
|
|
||
|
|
// 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, Ogg-FLAC, Speex, Ogg-Theora(*), Ogg-Tarkin(*))
|
||
|
|
'ogg' => array(
|
||
|
|
'pattern' => '^OggS',
|
||
|
|
'group' => 'audio',
|
||
|
|
'module' => 'ogg',
|
||
|
|
'mime_type' => 'application/ogg',
|
||
|
|
'fail_id3' => 'WARNING',
|
||
|
|
'fail_ape' => 'WARNING',
|
||
|
|
'set_inline_attachments' => true,
|
||
|
|
),
|
||
|
|
|
||
|
|
// 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)
|
||
|
|
'jpg' => array(
|
||
|
|
'pattern' => '^\xFF\xD8\xFF',
|
||
|
|
'group' => 'graphic',
|
||
|
|
'module' => 'jpg',
|
||
|
|
'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 |xmlns="http:\/\/www\.w3\.org\/2000\/svg")',
|
||
|
|
'group' => 'graphic',
|
||
|
|
'module' => 'svg',
|
||
|
|
'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
|
||
|
|
|
||
|
|
// 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',
|
||
|
|
'iconv_req' => false,
|
||
|
|
),
|
||
|
|
|
||
|
|
// RAR - data - RAR compressed data
|
||
|
|
'rar' => array(
|
||
|
|
'pattern' => '^Rar\!',
|
||
|
|
'group' => 'archive',
|
||
|
|
'module' => 'rar',
|
||
|
|
'mime_type' => 'application/octet-stream',
|
||
|
|
'fail_id3' => 'ERROR',
|
||
|
|
'fail_ape' => 'ERROR',
|
||
|
|
),
|
||
|
|
|
||
|
|
// SZIP - audio/data - 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',
|
||
|
|
),
|
||
|
|
|
||
|
|
|
||
|
|
// Misc other formats
|
||
|
|
|
||
|
|
// PAR2 - data - Parity Volume Set Specification 2.0
|
||
|
|
'par2' => array (
|
||
|
|
'pattern' => '^PAR2\x00PKT',
|
||
|
|
'group' => 'misc',
|
||
|
|
'module' => 'par2',
|
||
|
|
'mime_type' => 'application/octet-stream',
|
||
|
|
'fail_id3' => 'ERROR',
|
||
|
|
'fail_ape' => 'ERROR',
|
||
|
|
),
|
||
|
|
|
||
|
|
// PDF - data - Portable Document Format
|
||
|
|
'pdf' => array(
|
||
|
|
'pattern' => '^\x25PDF',
|
||
|
|
'group' => 'misc',
|
||
|
|
'module' => 'pdf',
|
||
|
|
'mime_type' => 'application/pdf',
|
||
|
|
'fail_id3' => 'ERROR',
|
||
|
|
'fail_ape' => 'ERROR',
|
||
|
|
),
|
||
|
|
|
||
|
|
// MSOFFICE - data - ZIP compressed data
|
||
|
|
'msoffice' => array(
|
||
|
|
'pattern' => '^\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1', // D0CF11E == DOCFILE == Microsoft Office Document
|
||
|
|
'group' => 'misc',
|
||
|
|
'module' => 'msoffice',
|
||
|
|
'mime_type' => 'application/octet-stream',
|
||
|
|
'fail_id3' => 'ERROR',
|
||
|
|
'fail_ape' => 'ERROR',
|
||
|
|
),
|
||
|
|
|
||
|
|
// CUE - data - CUEsheet (index to single-file disc images)
|
||
|
|
'cue' => array(
|
||
|
|
'pattern' => '', // empty pattern means cannot be automatically detected, will fall through all other formats and match based on filename and very basic file contents
|
||
|
|
'group' => 'misc',
|
||
|
|
'module' => 'cue',
|
||
|
|
'mime_type' => 'application/octet-stream',
|
||
|
|
),
|
||
|
|
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $format_info;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
function GetFileFormat(&$filedata, $filename='') {
|
||
|
|
// this function will determine the format of a file based on usually
|
||
|
|
// the first 2-4 bytes of the file (8 bytes for PNG, 16 bytes for JPG,
|
||
|
|
// and in the case of ISO CD image, 6 bytes offset 32kb from the start
|
||
|
|
// of the file).
|
||
|
|
|
||
|
|
// Identify file format - loop through $format_info and detect with reg expr
|
||
|
|
foreach ($this->GetFileFormatArray() as $format_name => $info) {
|
||
|
|
// The /s switch on preg_match() forces preg_match() NOT to treat
|
||
|
|
// newline (0x0A) characters as special chars but do a binary match
|
||
|
|
if (!empty($info['pattern']) && preg_match('#'.$info['pattern'].'#s', $filedata)) {
|
||
|
|
$info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php';
|
||
|
|
return $info;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (preg_match('#\.mp[123a]$#i', $filename)) {
|
||
|
|
// Too many mp3 encoders on the market put gabage in front of mpeg files
|
||
|
|
// use assume format on these if format detection failed
|
||
|
|
$GetFileFormatArray = $this->GetFileFormatArray();
|
||
|
|
$info = $GetFileFormatArray['mp3'];
|
||
|
|
$info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php';
|
||
|
|
return $info;
|
||
|
|
} elseif (preg_match('/\.cue$/i', $filename) && preg_match('#FILE "[^"]+" (BINARY|MOTOROLA|AIFF|WAVE|MP3)#', $filedata)) {
|
||
|
|
// there's not really a useful consistent "magic" at the beginning of .cue files to identify them
|
||
|
|
// so until I think of something better, just go by filename if all other format checks fail
|
||
|
|
// and verify there's at least one instance of "TRACK xx AUDIO" in the file
|
||
|
|
$GetFileFormatArray = $this->GetFileFormatArray();
|
||
|
|
$info = $GetFileFormatArray['cue'];
|
||
|
|
$info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php';
|
||
|
|
return $info;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// 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] = trim(getid3_lib::iconv_fallback($encoding, $this->encoding, $value));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function HandleAllTags() {
|
||
|
|
|
||
|
|
// key name => array (tag name, character encoding)
|
||
|
|
static $tags;
|
||
|
|
if (empty($tags)) {
|
||
|
|
$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' , 'UTF-8'),
|
||
|
|
'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' , $this->encoding_id3v1),
|
||
|
|
'id3v2' => array('id3v2' , 'UTF-8'), // not according to the specs (every frame can have a different encoding), but getID3() force-converts all encodings to UTF-8
|
||
|
|
'ape' => array('ape' , 'UTF-8'),
|
||
|
|
'cue' => array('cue' , 'ISO-8859-1'),
|
||
|
|
'matroska' => array('matroska' , 'UTF-8'),
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
// loop through comments array
|
||
|
|
foreach ($tags as $comment_name => $tagname_encoding_array) {
|
||
|
|
list($tag_name, $encoding) = $tagname_encoding_array;
|
||
|
|
|
||
|
|
// fill in default encoding type if not already present
|
||
|
|
if (isset($this->info[$comment_name]) && !isset($this->info[$comment_name]['encoding'])) {
|
||
|
|
$this->info[$comment_name]['encoding'] = $encoding;
|
||
|
|
}
|
||
|
|
|
||
|
|
// copy comments if key name set
|
||
|
|
if (!empty($this->info[$comment_name]['comments'])) {
|
||
|
|
|
||
|
|
foreach ($this->info[$comment_name]['comments'] as $tag_key => $valuearray) {
|
||
|
|
foreach ($valuearray as $key => $value) {
|
||
|
|
if (is_string($value)) {
|
||
|
|
$value = trim($value, " \r\n\t"); // do not trim nulls from $value!! Unicode characters will get mangled if trailing nulls are removed!
|
||
|
|
}
|
||
|
|
if ($value) {
|
||
|
|
$this->info['tags'][trim($tag_name)][trim($tag_key)][] = $value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($this->info['tags'][$tag_name])) {
|
||
|
|
// comments are set but contain nothing but empty strings, so skip
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->option_tags_html) {
|
||
|
|
foreach ($this->info['tags'][$tag_name] as $tag_key => $valuearray) {
|
||
|
|
foreach ($valuearray as $key => $value) {
|
||
|
|
if (is_string($value)) {
|
||
|
|
//$this->info['tags_html'][$tag_name][$tag_key][$key] = getid3_lib::MultiByteCharString2HTML($value, $encoding);
|
||
|
|
$this->info['tags_html'][$tag_name][$tag_key][$key] = str_replace('�', '', trim(getid3_lib::MultiByteCharString2HTML($value, $encoding)));
|
||
|
|
} else {
|
||
|
|
$this->info['tags_html'][$tag_name][$tag_key][$key] = $value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->CharConvert($this->info['tags'][$tag_name], $encoding); // only copy gets converted!
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// pictures can take up a lot of space, and we don't need multiple copies of them
|
||
|
|
// let there be a single copy in [comments][picture], and not elsewhere
|
||
|
|
if (!empty($this->info['tags'])) {
|
||
|
|
$unset_keys = array('tags', 'tags_html');
|
||
|
|
foreach ($this->info['tags'] as $tagtype => $tagarray) {
|
||
|
|
foreach ($tagarray as $tagname => $tagdata) {
|
||
|
|
if ($tagname == 'picture') {
|
||
|
|
foreach ($tagdata as $key => $tagarray) {
|
||
|
|
$this->info['comments']['picture'][] = $tagarray;
|
||
|
|
if (isset($tagarray['data']) && isset($tagarray['image_mime'])) {
|
||
|
|
if (isset($this->info['tags'][$tagtype][$tagname][$key])) {
|
||
|
|
unset($this->info['tags'][$tagtype][$tagname][$key]);
|
||
|
|
}
|
||
|
|
if (isset($this->info['tags_html'][$tagtype][$tagname][$key])) {
|
||
|
|
unset($this->info['tags_html'][$tagtype][$tagname][$key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
foreach ($unset_keys as $unset_key) {
|
||
|
|
// remove possible empty keys from (e.g. [tags][id3v2][picture])
|
||
|
|
if (empty($this->info[$unset_key][$tagtype]['picture'])) {
|
||
|
|
unset($this->info[$unset_key][$tagtype]['picture']);
|
||
|
|
}
|
||
|
|
if (empty($this->info[$unset_key][$tagtype])) {
|
||
|
|
unset($this->info[$unset_key][$tagtype]);
|
||
|
|
}
|
||
|
|
if (empty($this->info[$unset_key])) {
|
||
|
|
unset($this->info[$unset_key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// remove duplicate copy of picture data from (e.g. [id3v2][comments][picture])
|
||
|
|
if (isset($this->info[$tagtype]['comments']['picture'])) {
|
||
|
|
unset($this->info[$tagtype]['comments']['picture']);
|
||
|
|
}
|
||
|
|
if (empty($this->info[$tagtype]['comments'])) {
|
||
|
|
unset($this->info[$tagtype]['comments']);
|
||
|
|
}
|
||
|
|
if (empty($this->info[$tagtype])) {
|
||
|
|
unset($this->info[$tagtype]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function getHashdata($algorithm) {
|
||
|
|
switch ($algorithm) {
|
||
|
|
case 'md5':
|
||
|
|
case 'sha1':
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
return $this->error('bad algorithm "'.$algorithm.'" in getHashdata()');
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!empty($this->info['fileformat']) && !empty($this->info['dataformat']) && ($this->info['fileformat'] == 'ogg') && ($this->info['audio']['dataformat'] == 'vorbis')) {
|
||
|
|
|
||
|
|
// We cannot get an identical md5_data value for Ogg files where the comments
|
||
|
|
// span more than 1 Ogg page (compared to the same audio data with smaller
|
||
|
|
// comments) using the normal getID3() method of MD5'ing the data between the
|
||
|
|
// end of the comments and the end of the file (minus any trailing tags),
|
||
|
|
// because the page sequence numbers of the pages that the audio data is on
|
||
|
|
// do not match. Under normal circumstances, where comments are smaller than
|
||
|
|
// the nominal 4-8kB page size, then this is not a problem, but if there are
|
||
|
|
// very large comments, the only way around it is to strip off the comment
|
||
|
|
// tags with vorbiscomment and MD5 that file.
|
||
|
|
// This procedure must be applied to ALL Ogg files, not just the ones with
|
||
|
|
// comments larger than 1 page, because the below method simply MD5's the
|
||
|
|
// whole file with the comments stripped, not just the portion after the
|
||
|
|
// comments block (which is the standard getID3() method.
|
||
|
|
|
||
|
|
// The above-mentioned problem of comments spanning multiple pages and changing
|
||
|
|
// page sequence numbers likely happens for OggSpeex and OggFLAC as well, but
|
||
|
|
// currently vorbiscomment only works on OggVorbis files.
|
||
|
|
|
||
|
|
if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
|
||
|
|
|
||
|
|
$this->info['warning'][] = 'Failed making system call to vorbiscomment.exe - '.$algorithm.'_data is incorrect - error returned: PHP running in Safe Mode (backtick operator not available)';
|
||
|
|
$this->info[$algorithm.'_data'] = false;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
// Prevent user from aborting script
|
||
|
|
$old_abort = ignore_user_abort(true);
|
||
|
|
|
||
|
|
// Create empty file
|
||
|
|
$empty = tempnam(GETID3_TEMP_DIR, 'getID3');
|
||
|
|
touch($empty);
|
||
|
|
|
||
|
|
// Use vorbiscomment to make temp file without comments
|
||
|
|
$temp = tempnam(GETID3_TEMP_DIR, 'getID3');
|
||
|
|
$file = $this->info['filenamepath'];
|
||
|
|
|
||
|
|
if (GETID3_OS_ISWINDOWS) {
|
||
|
|
|
||
|
|
if (file_exists(GETID3_HELPERAPPSDIR.'vorbiscomment.exe')) {
|
||
|
|
|
||
|
|
$commandline = '"'.GETID3_HELPERAPPSDIR.'vorbiscomment.exe" -w -c "'.$empty.'" "'.$file.'" "'.$temp.'"';
|
||
|
|
$VorbisCommentError = `$commandline`;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
$VorbisCommentError = 'vorbiscomment.exe not found in '.GETID3_HELPERAPPSDIR;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
$commandline = 'vorbiscomment -w -c "'.$empty.'" "'.$file.'" "'.$temp.'" 2>&1';
|
||
|
|
$commandline = 'vorbiscomment -w -c '.escapeshellarg($empty).' '.escapeshellarg($file).' '.escapeshellarg($temp).' 2>&1';
|
||
|
|
$VorbisCommentError = `$commandline`;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!empty($VorbisCommentError)) {
|
||
|
|
|
||
|
|
$this->info['warning'][] = 'Failed making system call to vorbiscomment(.exe) - '.$algorithm.'_data will be incorrect. If vorbiscomment is unavailable, please download from http://www.vorbis.com/download.psp and put in the getID3() directory. Error returned: '.$VorbisCommentError;
|
||
|
|
$this->info[$algorithm.'_data'] = false;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
// Get hash of newly created file
|
||
|
|
switch ($algorithm) {
|
||
|
|
case 'md5':
|
||
|
|
$this->info[$algorithm.'_data'] = md5_file($temp);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'sha1':
|
||
|
|
$this->info[$algorithm.'_data'] = sha1_file($temp);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Clean up
|
||
|
|
unlink($empty);
|
||
|
|
unlink($temp);
|
||
|
|
|
||
|
|
// Reset abort setting
|
||
|
|
ignore_user_abort($old_abort);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
if (!empty($this->info['avdataoffset']) || (isset($this->info['avdataend']) && ($this->info['avdataend'] < $this->info['filesize']))) {
|
||
|
|
|
||
|
|
// get hash from part of file
|
||
|
|
$this->info[$algorithm.'_data'] = getid3_lib::hash_data($this->info['filenamepath'], $this->info['avdataoffset'], $this->info['avdataend'], $algorithm);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
// get hash from whole file
|
||
|
|
switch ($algorithm) {
|
||
|
|
case 'md5':
|
||
|
|
$this->info[$algorithm.'_data'] = md5_file($this->info['filenamepath']);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'sha1':
|
||
|
|
$this->info[$algorithm.'_data'] = sha1_file($this->info['filenamepath']);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function ChannelsBitratePlaytimeCalculations() {
|
||
|
|
|
||
|
|
// set channelmode on audio
|
||
|
|
if (!empty($this->info['audio']['channelmode']) || !isset($this->info['audio']['channels'])) {
|
||
|
|
// ignore
|
||
|
|
} elseif ($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
|
||
|
|
$CombinedBitrate = 0;
|
||
|
|
$CombinedBitrate += (isset($this->info['audio']['bitrate']) ? $this->info['audio']['bitrate'] : 0);
|
||
|
|
$CombinedBitrate += (isset($this->info['video']['bitrate']) ? $this->info['video']['bitrate'] : 0);
|
||
|
|
if (($CombinedBitrate > 0) && empty($this->info['bitrate'])) {
|
||
|
|
$this->info['bitrate'] = $CombinedBitrate;
|
||
|
|
}
|
||
|
|
//if ((isset($this->info['video']) && !isset($this->info['video']['bitrate'])) || (isset($this->info['audio']) && !isset($this->info['audio']['bitrate']))) {
|
||
|
|
// // for example, VBR MPEG video files cannot determine video bitrate:
|
||
|
|
// // should not set overall bitrate and playtime from audio bitrate only
|
||
|
|
// unset($this->info['bitrate']);
|
||
|
|
//}
|
||
|
|
|
||
|
|
// video bitrate undetermined, but calculable
|
||
|
|
if (isset($this->info['video']['dataformat']) && $this->info['video']['dataformat'] && (!isset($this->info['video']['bitrate']) || ($this->info['video']['bitrate'] == 0))) {
|
||
|
|
// if video bitrate not set
|
||
|
|
if (isset($this->info['audio']['bitrate']) && ($this->info['audio']['bitrate'] > 0) && ($this->info['audio']['bitrate'] == $this->info['bitrate'])) {
|
||
|
|
// AND if audio bitrate is set to same as overall bitrate
|
||
|
|
if (isset($this->info['playtime_seconds']) && ($this->info['playtime_seconds'] > 0)) {
|
||
|
|
// AND if playtime is set
|
||
|
|
if (isset($this->info['avdataend']) && isset($this->info['avdataoffset'])) {
|
||
|
|
// AND if AV data offset start/end is known
|
||
|
|
// THEN we can calculate the video bitrate
|
||
|
|
$this->info['bitrate'] = round((($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['playtime_seconds']);
|
||
|
|
$this->info['video']['bitrate'] = $this->info['bitrate'] - $this->info['audio']['bitrate'];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((!isset($this->info['playtime_seconds']) || ($this->info['playtime_seconds'] <= 0)) && !empty($this->info['bitrate'])) {
|
||
|
|
$this->info['playtime_seconds'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['bitrate'];
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!isset($this->info['bitrate']) && !empty($this->info['playtime_seconds'])) {
|
||
|
|
$this->info['bitrate'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['playtime_seconds'];
|
||
|
|
}
|
||
|
|
if (isset($this->info['bitrate']) && empty($this->info['audio']['bitrate']) && empty($this->info['video']['bitrate'])) {
|
||
|
|
if (isset($this->info['audio']['dataformat']) && empty($this->info['video']['resolution_x'])) {
|
||
|
|
// audio only
|
||
|
|
$this->info['audio']['bitrate'] = $this->info['bitrate'];
|
||
|
|
} elseif (isset($this->info['video']['resolution_x']) && empty($this->info['audio']['dataformat'])) {
|
||
|
|
// video only
|
||
|
|
$this->info['video']['bitrate'] = $this->info['bitrate'];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Set playtime string
|
||
|
|
if (!empty($this->info['playtime_seconds']) && empty($this->info['playtime_string'])) {
|
||
|
|
$this->info['playtime_string'] = getid3_lib::PlaytimeString($this->info['playtime_seconds']);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function CalculateCompressionRatioVideo() {
|
||
|
|
if (empty($this->info['video'])) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (empty($this->info['video']['resolution_x']) || empty($this->info['video']['resolution_y'])) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (empty($this->info['video']['bits_per_sample'])) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch ($this->info['video']['dataformat']) {
|
||
|
|
case 'bmp':
|
||
|
|
case 'gif':
|
||
|
|
case 'jpeg':
|
||
|
|
case 'jpg':
|
||
|
|
case 'png':
|
||
|
|
case 'tiff':
|
||
|
|
$FrameRate = 1;
|
||
|
|
$PlaytimeSeconds = 1;
|
||
|
|
$BitrateCompressed = $this->info['filesize'] * 8;
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
if (!empty($this->info['video']['frame_rate'])) {
|
||
|
|
$FrameRate = $this->info['video']['frame_rate'];
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (!empty($this->info['playtime_seconds'])) {
|
||
|
|
$PlaytimeSeconds = $this->info['playtime_seconds'];
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (!empty($this->info['video']['bitrate'])) {
|
||
|
|
$BitrateCompressed = $this->info['video']['bitrate'];
|
||
|
|
} else {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
$BitrateUncompressed = $this->info['video']['resolution_x'] * $this->info['video']['resolution_y'] * $this->info['video']['bits_per_sample'] * $FrameRate;
|
||
|
|
|
||
|
|
$this->info['video']['compression_ratio'] = $BitrateCompressed / $BitrateUncompressed;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function CalculateCompressionRatioAudio() {
|
||
|
|
if (empty($this->info['audio']['bitrate']) || empty($this->info['audio']['channels']) || empty($this->info['audio']['sample_rate'])) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
$this->info['audio']['compression_ratio'] = $this->info['audio']['bitrate'] / ($this->info['audio']['channels'] * $this->info['audio']['sample_rate'] * (!empty($this->info['audio']['bits_per_sample']) ? $this->info['audio']['bits_per_sample'] : 16));
|
||
|
|
|
||
|
|
if (!empty($this->info['audio']['streams'])) {
|
||
|
|
foreach ($this->info['audio']['streams'] as $streamnumber => $streamdata) {
|
||
|
|
if (!empty($streamdata['bitrate']) && !empty($streamdata['channels']) && !empty($streamdata['sample_rate'])) {
|
||
|
|
$this->info['audio']['streams'][$streamnumber]['compression_ratio'] = $streamdata['bitrate'] / ($streamdata['channels'] * $streamdata['sample_rate'] * (!empty($streamdata['bits_per_sample']) ? $streamdata['bits_per_sample'] : 16));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function CalculateReplayGain() {
|
||
|
|
if (isset($this->info['replay_gain'])) {
|
||
|
|
if (!isset($this->info['replay_gain']['reference_volume'])) {
|
||
|
|
$this->info['replay_gain']['reference_volume'] = (double) 89.0;
|
||
|
|
}
|
||
|
|
if (isset($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'])) {
|
||
|
|
$this->info['replay_gain']['track']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['track']['peak']);
|
||
|
|
}
|
||
|
|
if (isset($this->info['replay_gain']['album']['peak'])) {
|
||
|
|
$this->info['replay_gain']['album']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['album']['peak']);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
function ProcessAudioStreams() {
|
||
|
|
if (!empty($this->info['audio']['bitrate']) || !empty($this->info['audio']['channels']) || !empty($this->info['audio']['sample_rate'])) {
|
||
|
|
if (!isset($this->info['audio']['streams'])) {
|
||
|
|
foreach ($this->info['audio'] as $key => $value) {
|
||
|
|
if ($key != 'streams') {
|
||
|
|
$this->info['audio']['streams'][0][$key] = $value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getid3_tempnam() {
|
||
|
|
return tempnam($this->tempdir, 'gI3');
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
public function saveAttachment(&$ThisFileInfoIndex, $filename, $offset, $length) {
|
||
|
|
try {
|
||
|
|
if (!getid3_lib::intValueSupported($offset + $length)) {
|
||
|
|
throw new Exception('cannot extract attachment, it extends beyond the '.round(PHP_INT_MAX / 1073741824).'GB limit');
|
||
|
|
}
|
||
|
|
switch ($this->option_save_attachments) {
|
||
|
|
case getID3::ATTACHMENTS_NONE: // do not extract attachments data
|
||
|
|
unset($ThisFileInfoIndex); // do not set any
|
||
|
|
break;
|
||
|
|
|
||
|
|
case getID3::ATTACHMENTS_INLINE: // extract to return array
|
||
|
|
// get whole data in one pass, till it is anyway stored in memory
|
||
|
|
$ThisFileInfoIndex = file_get_contents($this->info['filenamepath'], false, null, $offset, $length);
|
||
|
|
if (($ThisFileInfoIndex === false) || (strlen($ThisFileInfoIndex) != $length)) { // verify
|
||
|
|
throw new Exception('failed to read attachment data');
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
default: // assume directory path is given
|
||
|
|
$dir = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->option_save_attachments), DIRECTORY_SEPARATOR);
|
||
|
|
// check supplied directory
|
||
|
|
if (!is_dir($dir) || !is_writable($dir)) {
|
||
|
|
throw new Exception('getID3::saveAttachment() -- supplied path ('.$dir.') does not exist, or is not writable');
|
||
|
|
}
|
||
|
|
|
||
|
|
// set up destination path
|
||
|
|
$dest = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $dir).DIRECTORY_SEPARATOR.$filename;
|
||
|
|
|
||
|
|
// optimize speed if read buffer size is configured to be large enough
|
||
|
|
// here stream_copy_to_stream() may also be used. need to do speed-compare tests
|
||
|
|
if ($length <= $this->option_read_buffer_size) {
|
||
|
|
$data = file_get_contents($this->info['filenamepath'], false, null, $offset, $length);
|
||
|
|
if (($data === false) || (strlen($data) != $length)) { // verify
|
||
|
|
throw new Exception('failed to read attachment data');
|
||
|
|
}
|
||
|
|
if (!file_put_contents($dest, $data)) {
|
||
|
|
throw new Exception('failed to create file '.$dest);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
// optimization not available - copy data in loop
|
||
|
|
// here stream_copy_to_stream() shouldn't be used because it's internal read buffer may be larger than ours!
|
||
|
|
|
||
|
|
try {
|
||
|
|
getid3_lib::CopyFileParts($this->info['filenamepath'], $filename, $offset, $length);
|
||
|
|
} catch (Exception $e) {
|
||
|
|
throw $e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$ThisFileInfoIndex = $dest;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
} catch (Exception $e) {
|
||
|
|
unset($ThisFileInfoIndex); // do not set any is case of error
|
||
|
|
$this->warning('Failed to extract attachment '.$filename.': '.$e->getMessage());
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
public function include_module($name) {
|
||
|
|
//if (!file_exists($this->include_path.'module.'.$name.'.php')) {
|
||
|
|
if (!file_exists(GETID3_INCLUDEPATH.'module.'.$name.'.php')) {
|
||
|
|
throw new getid3_exception('Required module.'.$name.'.php is missing.');
|
||
|
|
}
|
||
|
|
include_once(GETID3_INCLUDEPATH.'module.'.$name.'.php');
|
||
|
|
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);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
class getid3_exception extends Exception
|
||
|
|
{
|
||
|
|
public $message;
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|