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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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// 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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define('GETID3_OS_ISWINDOWS', (stripos(PHP_OS, 'WIN') === 0)); |
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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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define('GETID3_INCLUDEPATH', dirname(__FILE__).DIRECTORY_SEPARATOR); |
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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(PATH_SEPARATOR, $open_basedir); |
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foreach ($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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// End: Defines |
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class getID3 |
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{ |
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// public: Settings |
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public $encoding = 'UTF-8'; // 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' or 'CP1252' |
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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: Read buffer size in bytes |
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public $option_fread_buffer_size = 32768; |
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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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public $tempdir = GETID3_TEMP_DIR; |
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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 $memory_limit = 0; |
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const VERSION = '1.9.7-20130705'; |
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const FREAD_BUFFER_SIZE = 32768; |
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const ATTACHMENTS_NONE = false; |
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const ATTACHMENTS_INLINE = true; |
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// public: constructor |
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public function __construct() { |
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// Check for PHP version |
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$required_php_version = '5.0.5'; |
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if (version_compare(PHP_VERSION, $required_php_version, '<')) { |
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$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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// 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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public function version() { |
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return self::VERSION; |
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} |
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public function fread_buffer_size() { |
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return $this->option_fread_buffer_size; |
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} |
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// public: setOption |
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public function setOption($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 = $val; |
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} |
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return true; |
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} |
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public function openfile($filename) { |
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try { |
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if (!empty($this->startup_error)) { |
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throw new getid3_exception($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:\/\//', $filename)) { |
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throw new getid3_exception('Remote files are not supported - please copy the file locally first'); |
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} |
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$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($filename, 'rb'))) { |
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// great |
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} else { |
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throw new getid3_exception('Could not open "'.$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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276 |
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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)) { |
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$real_filesize = getid3_lib::getFileSizeSyscall($this->info['filenamepath']); |
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if ($real_filesize === false) { |
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unset($this->info['filesize']); |
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fclose($this->fp); |
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throw new getid3_exception('Unable to determine actual filesize. File is most likely larger than '.round(PHP_INT_MAX / 1073741824).'GB and is not supported by PHP.'); |
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} elseif (getid3_lib::intValueSupported($real_filesize)) { |
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unset($this->info['filesize']); |
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fclose($this->fp); |
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throw new getid3_exception('PHP seems to think the file is larger than '.round(PHP_INT_MAX / 1073741824).'GB, but filesystem reports it as '.number_format($real_filesize, 3).'GB, please report to info@getid3.org'); |
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296 |
} |
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$this->info['filesize'] = $real_filesize; |
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$this->warning('File is larger than '.round(PHP_INT_MAX / 1073741824).'GB (filesystem reports it as '.number_format($real_filesize, 3).'GB) and is not properly supported by PHP.'); |
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} |
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} |
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301 |
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// set more parameters |
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$this->info['avdataoffset'] = 0; |
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$this->info['avdataend'] = $this->info['filesize']; |
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$this->info['fileformat'] = ''; // filled in later |
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$this->info['audio']['dataformat'] = ''; // filled in later, unset if not used |
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$this->info['video']['dataformat'] = ''; // filled in later, unset if not used |
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$this->info['tags'] = array(); // filled in later, unset if not used |
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$this->info['error'] = array(); // filled in later, unset if not used |
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$this->info['warning'] = array(); // filled in later, unset if not used |
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$this->info['comments'] = array(); // filled in later, unset if not used |
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$this->info['encoding'] = $this->encoding; // required by id3v2 and iso modules - can be unset at the end if desired |
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return true; |
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} catch (Exception $e) { |
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317 |
$this->error($e->getMessage()); |
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} |
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return false; |
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320 |
} |
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321 |
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// public: analyze file |
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323 |
public function analyze($filename) { |
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324 |
try { |
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325 |
if (!$this->openfile($filename)) { |
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return $this->info; |
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} |
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328 |
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329 |
// Handle tags |
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|
330 |
foreach (array('id3v2'=>'id3v2', 'id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) { |
|
|
331 |
$option_tag = 'option_tag_'.$tag_name; |
|
|
332 |
if ($this->$option_tag) { |
|
|
333 |
$this->include_module('tag.'.$tag_name); |
|
|
334 |
try { |
|
|
335 |
$tag_class = 'getid3_'.$tag_name; |
|
|
336 |
$tag = new $tag_class($this); |
|
|
337 |
$tag->Analyze(); |
|
|
338 |
} |
|
|
339 |
catch (getid3_exception $e) { |
|
|
340 |
throw $e; |
|
|
341 |
} |
|
|
342 |
} |
|
|
343 |
} |
|
|
344 |
if (isset($this->info['id3v2']['tag_offset_start'])) { |
|
|
345 |
$this->info['avdataoffset'] = max($this->info['avdataoffset'], $this->info['id3v2']['tag_offset_end']); |
|
|
346 |
} |
|
|
347 |
foreach (array('id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) { |
|
|
348 |
if (isset($this->info[$tag_key]['tag_offset_start'])) { |
|
|
349 |
$this->info['avdataend'] = min($this->info['avdataend'], $this->info[$tag_key]['tag_offset_start']); |
|
|
350 |
} |
|
|
351 |
} |
|
|
352 |
|
|
|
353 |
// ID3v2 detection (NOT parsing), even if ($this->option_tag_id3v2 == false) done to make fileformat easier |
|
|
354 |
if (!$this->option_tag_id3v2) { |
|
|
355 |
fseek($this->fp, 0, SEEK_SET); |
|
|
356 |
$header = fread($this->fp, 10); |
|
|
357 |
if ((substr($header, 0, 3) == 'ID3') && (strlen($header) == 10)) { |
|
|
358 |
$this->info['id3v2']['header'] = true; |
|
|
359 |
$this->info['id3v2']['majorversion'] = ord($header{3}); |
|
|
360 |
$this->info['id3v2']['minorversion'] = ord($header{4}); |
|
|
361 |
$this->info['avdataoffset'] += getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length |
|
|
362 |
} |
|
|
363 |
} |
|
|
364 |
|
|
|
365 |
// read 32 kb file data |
|
|
366 |
fseek($this->fp, $this->info['avdataoffset'], SEEK_SET); |
|
|
367 |
$formattest = fread($this->fp, 32774); |
|
|
368 |
|
|
|
369 |
// determine format |
|
|
370 |
$determined_format = $this->GetFileFormat($formattest, $filename); |
|
|
371 |
|
|
|
372 |
// unable to determine file format |
|
|
373 |
if (!$determined_format) { |
|
|
374 |
fclose($this->fp); |
|
|
375 |
return $this->error('unable to determine file format'); |
|
|
376 |
} |
|
|
377 |
|
|
|
378 |
// check for illegal ID3 tags |
|
|
379 |
if (isset($determined_format['fail_id3']) && (in_array('id3v1', $this->info['tags']) || in_array('id3v2', $this->info['tags']))) { |
|
|
380 |
if ($determined_format['fail_id3'] === 'ERROR') { |
|
|
381 |
fclose($this->fp); |
|
|
382 |
return $this->error('ID3 tags not allowed on this file type.'); |
|
|
383 |
} elseif ($determined_format['fail_id3'] === 'WARNING') { |
|
|
384 |
$this->warning('ID3 tags not allowed on this file type.'); |
|
|
385 |
} |
|
|
386 |
} |
|
|
387 |
|
|
|
388 |
// check for illegal APE tags |
|
|
389 |
if (isset($determined_format['fail_ape']) && in_array('ape', $this->info['tags'])) { |
|
|
390 |
if ($determined_format['fail_ape'] === 'ERROR') { |
|
|
391 |
fclose($this->fp); |
|
|
392 |
return $this->error('APE tags not allowed on this file type.'); |
|
|
393 |
} elseif ($determined_format['fail_ape'] === 'WARNING') { |
|
|
394 |
$this->warning('APE tags not allowed on this file type.'); |
|
|
395 |
} |
|
|
396 |
} |
|
|
397 |
|
|
|
398 |
// set mime type |
|
|
399 |
$this->info['mime_type'] = $determined_format['mime_type']; |
|
|
400 |
|
|
|
401 |
// supported format signature pattern detected, but module deleted |
|
|
402 |
if (!file_exists(GETID3_INCLUDEPATH.$determined_format['include'])) { |
|
|
403 |
fclose($this->fp); |
|
|
404 |
return $this->error('Format not supported, module "'.$determined_format['include'].'" was removed.'); |
|
|
405 |
} |
|
|
406 |
|
|
|
407 |
// module requires iconv support |
|
|
408 |
// Check encoding/iconv support |
|
|
409 |
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'))) { |
|
|
410 |
$errormessage = 'iconv() support is required for this module ('.$determined_format['include'].') for encodings other than ISO-8859-1, UTF-8, UTF-16LE, UTF16-BE, UTF-16. '; |
|
|
411 |
if (GETID3_OS_ISWINDOWS) { |
|
|
412 |
$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'; |
|
|
413 |
} else { |
|
|
414 |
$errormessage .= 'PHP is not compiled with iconv() support. Please recompile with the --with-iconv switch'; |
|
|
415 |
} |
|
|
416 |
return $this->error($errormessage); |
|
|
417 |
} |
|
|
418 |
|
|
|
419 |
// include module |
|
|
420 |
include_once(GETID3_INCLUDEPATH.$determined_format['include']); |
|
|
421 |
|
|
|
422 |
// instantiate module class |
|
|
423 |
$class_name = 'getid3_'.$determined_format['module']; |
|
|
424 |
if (!class_exists($class_name)) { |
|
|
425 |
return $this->error('Format not supported, module "'.$determined_format['include'].'" is corrupt.'); |
|
|
426 |
} |
|
|
427 |
$class = new $class_name($this); |
|
|
428 |
$class->Analyze(); |
|
|
429 |
unset($class); |
|
|
430 |
|
|
|
431 |
// close file |
|
|
432 |
fclose($this->fp); |
|
|
433 |
|
|
|
434 |
// process all tags - copy to 'tags' and convert charsets |
|
|
435 |
if ($this->option_tags_process) { |
|
|
436 |
$this->HandleAllTags(); |
|
|
437 |
} |
|
|
438 |
|
|
|
439 |
// perform more calculations |
|
|
440 |
if ($this->option_extra_info) { |
|
|
441 |
$this->ChannelsBitratePlaytimeCalculations(); |
|
|
442 |
$this->CalculateCompressionRatioVideo(); |
|
|
443 |
$this->CalculateCompressionRatioAudio(); |
|
|
444 |
$this->CalculateReplayGain(); |
|
|
445 |
$this->ProcessAudioStreams(); |
|
|
446 |
} |
|
|
447 |
|
|
|
448 |
// get the MD5 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags |
|
|
449 |
if ($this->option_md5_data) { |
|
|
450 |
// do not calc md5_data if md5_data_source is present - set by flac only - future MPC/SV8 too |
|
|
451 |
if (!$this->option_md5_data_source || empty($this->info['md5_data_source'])) { |
|
|
452 |
$this->getHashdata('md5'); |
|
|
453 |
} |
|
|
454 |
} |
|
|
455 |
|
|
|
456 |
// get the SHA1 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags |
|
|
457 |
if ($this->option_sha1_data) { |
|
|
458 |
$this->getHashdata('sha1'); |
|
|
459 |
} |
|
|
460 |
|
|
|
461 |
// remove undesired keys |
|
|
462 |
$this->CleanUp(); |
|
|
463 |
|
|
|
464 |
} catch (Exception $e) { |
|
|
465 |
$this->error('Caught exception: '.$e->getMessage()); |
|
|
466 |
} |
|
|
467 |
|
|
|
468 |
// return info array |
|
|
469 |
return $this->info; |
|
|
470 |
} |
|
|
471 |
|
|
|
472 |
|
|
|
473 |
// private: error handling |
|
|
474 |
public function error($message) { |
|
|
475 |
$this->CleanUp(); |
|
|
476 |
if (!isset($this->info['error'])) { |
|
|
477 |
$this->info['error'] = array(); |
|
|
478 |
} |
|
|
479 |
$this->info['error'][] = $message; |
|
|
480 |
return $this->info; |
|
|
481 |
} |
|
|
482 |
|
|
|
483 |
|
|
|
484 |
// private: warning handling |
|
|
485 |
public function warning($message) { |
|
|
486 |
$this->info['warning'][] = $message; |
|
|
487 |
return true; |
|
|
488 |
} |
|
|
489 |
|
|
|
490 |
|
|
|
491 |
// private: CleanUp |
|
|
492 |
private function CleanUp() { |
|
|
493 |
|
|
|
494 |
// remove possible empty keys |
|
|
495 |
$AVpossibleEmptyKeys = array('dataformat', 'bits_per_sample', 'encoder_options', 'streams', 'bitrate'); |
|
|
496 |
foreach ($AVpossibleEmptyKeys as $dummy => $key) { |
|
|
497 |
if (empty($this->info['audio'][$key]) && isset($this->info['audio'][$key])) { |
|
|
498 |
unset($this->info['audio'][$key]); |
|
|
499 |
} |
|
|
500 |
if (empty($this->info['video'][$key]) && isset($this->info['video'][$key])) { |
|
|
501 |
unset($this->info['video'][$key]); |
|
|
502 |
} |
|
|
503 |
} |
|
|
504 |
|
|
|
505 |
// remove empty root keys |
|
|
506 |
if (!empty($this->info)) { |
|
|
507 |
foreach ($this->info as $key => $value) { |
|
|
508 |
if (empty($this->info[$key]) && ($this->info[$key] !== 0) && ($this->info[$key] !== '0')) { |
|
|
509 |
unset($this->info[$key]); |
|
|
510 |
} |
|
|
511 |
} |
|
|
512 |
} |
|
|
513 |
|
|
|
514 |
// remove meaningless entries from unknown-format files |
|
|
515 |
if (empty($this->info['fileformat'])) { |
|
|
516 |
if (isset($this->info['avdataoffset'])) { |
|
|
517 |
unset($this->info['avdataoffset']); |
|
|
518 |
} |
|
|
519 |
if (isset($this->info['avdataend'])) { |
|
|
520 |
unset($this->info['avdataend']); |
|
|
521 |
} |
|
|
522 |
} |
|
|
523 |
|
|
|
524 |
// remove possible duplicated identical entries |
|
|
525 |
if (!empty($this->info['error'])) { |
|
|
526 |
$this->info['error'] = array_values(array_unique($this->info['error'])); |
|
|
527 |
} |
|
|
528 |
if (!empty($this->info['warning'])) { |
|
|
529 |
$this->info['warning'] = array_values(array_unique($this->info['warning'])); |
|
|
530 |
} |
|
|
531 |
|
|
|
532 |
// remove "global variable" type keys |
|
|
533 |
unset($this->info['php_memory_limit']); |
|
|
534 |
|
|
|
535 |
return true; |
|
|
536 |
} |
|
|
537 |
|
|
|
538 |
|
|
|
539 |
// return array containing information about all supported formats |
|
|
540 |
public function GetFileFormatArray() { |
|
|
541 |
static $format_info = array(); |
|
|
542 |
if (empty($format_info)) { |
|
|
543 |
$format_info = array( |
|
|
544 |
|
|
|
545 |
// Audio formats |
|
|
546 |
|
|
|
547 |
// AC-3 - audio - Dolby AC-3 / Dolby Digital |
|
|
548 |
'ac3' => array( |
|
|
549 |
'pattern' => '^\x0B\x77', |
|
|
550 |
'group' => 'audio', |
|
|
551 |
'module' => 'ac3', |
|
|
552 |
'mime_type' => 'audio/ac3', |
|
|
553 |
), |
|
|
554 |
|
|
|
555 |
// AAC - audio - Advanced Audio Coding (AAC) - ADIF format |
|
|
556 |
'adif' => array( |
|
|
557 |
'pattern' => '^ADIF', |
|
|
558 |
'group' => 'audio', |
|
|
559 |
'module' => 'aac', |
|
|
560 |
'mime_type' => 'application/octet-stream', |
|
|
561 |
'fail_ape' => 'WARNING', |
|
|
562 |
), |
|
|
563 |
|
|
|
564 |
/* |
|
|
565 |
// AA - audio - Audible Audiobook |
|
|
566 |
'aa' => array( |
|
|
567 |
'pattern' => '^.{4}\x57\x90\x75\x36', |
|
|
568 |
'group' => 'audio', |
|
|
569 |
'module' => 'aa', |
|
|
570 |
'mime_type' => 'audio/audible', |
|
|
571 |
), |
|
|
572 |
*/ |
|
|
573 |
// AAC - audio - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3) |
|
|
574 |
'adts' => array( |
|
|
575 |
'pattern' => '^\xFF[\xF0-\xF1\xF8-\xF9]', |
|
|
576 |
'group' => 'audio', |
|
|
577 |
'module' => 'aac', |
|
|
578 |
'mime_type' => 'application/octet-stream', |
|
|
579 |
'fail_ape' => 'WARNING', |
|
|
580 |
), |
|
|
581 |
|
|
|
582 |
|
|
|
583 |
// AU - audio - NeXT/Sun AUdio (AU) |
|
|
584 |
'au' => array( |
|
|
585 |
'pattern' => '^\.snd', |
|
|
586 |
'group' => 'audio', |
|
|
587 |
'module' => 'au', |
|
|
588 |
'mime_type' => 'audio/basic', |
|
|
589 |
), |
|
|
590 |
|
|
|
591 |
// AVR - audio - Audio Visual Research |
|
|
592 |
'avr' => array( |
|
|
593 |
'pattern' => '^2BIT', |
|
|
594 |
'group' => 'audio', |
|
|
595 |
'module' => 'avr', |
|
|
596 |
'mime_type' => 'application/octet-stream', |
|
|
597 |
), |
|
|
598 |
|
|
|
599 |
// BONK - audio - Bonk v0.9+ |
|
|
600 |
'bonk' => array( |
|
|
601 |
'pattern' => '^\x00(BONK|INFO|META| ID3)', |
|
|
602 |
'group' => 'audio', |
|
|
603 |
'module' => 'bonk', |
|
|
604 |
'mime_type' => 'audio/xmms-bonk', |
|
|
605 |
), |
|
|
606 |
|
|
|
607 |
// DSS - audio - Digital Speech Standard |
|
|
608 |
'dss' => array( |
|
|
609 |
'pattern' => '^[\x02-\x03]ds[s2]', |
|
|
610 |
'group' => 'audio', |
|
|
611 |
'module' => 'dss', |
|
|
612 |
'mime_type' => 'application/octet-stream', |
|
|
613 |
), |
|
|
614 |
|
|
|
615 |
// DTS - audio - Dolby Theatre System |
|
|
616 |
'dts' => array( |
|
|
617 |
'pattern' => '^\x7F\xFE\x80\x01', |
|
|
618 |
'group' => 'audio', |
|
|
619 |
'module' => 'dts', |
|
|
620 |
'mime_type' => 'audio/dts', |
|
|
621 |
), |
|
|
622 |
|
|
|
623 |
// FLAC - audio - Free Lossless Audio Codec |
|
|
624 |
'flac' => array( |
|
|
625 |
'pattern' => '^fLaC', |
|
|
626 |
'group' => 'audio', |
|
|
627 |
'module' => 'flac', |
|
|
628 |
'mime_type' => 'audio/x-flac', |
|
|
629 |
), |
|
|
630 |
|
|
|
631 |
// LA - audio - Lossless Audio (LA) |
|
|
632 |
'la' => array( |
|
|
633 |
'pattern' => '^LA0[2-4]', |
|
|
634 |
'group' => 'audio', |
|
|
635 |
'module' => 'la', |
|
|
636 |
'mime_type' => 'application/octet-stream', |
|
|
637 |
), |
|
|
638 |
|
|
|
639 |
// LPAC - audio - Lossless Predictive Audio Compression (LPAC) |
|
|
640 |
'lpac' => array( |
|
|
641 |
'pattern' => '^LPAC', |
|
|
642 |
'group' => 'audio', |
|
|
643 |
'module' => 'lpac', |
|
|
644 |
'mime_type' => 'application/octet-stream', |
|
|
645 |
), |
|
|
646 |
|
|
|
647 |
// MIDI - audio - MIDI (Musical Instrument Digital Interface) |
|
|
648 |
'midi' => array( |
|
|
649 |
'pattern' => '^MThd', |
|
|
650 |
'group' => 'audio', |
|
|
651 |
'module' => 'midi', |
|
|
652 |
'mime_type' => 'audio/midi', |
|
|
653 |
), |
|
|
654 |
|
|
|
655 |
// MAC - audio - Monkey's Audio Compressor |
|
|
656 |
'mac' => array( |
|
|
657 |
'pattern' => '^MAC ', |
|
|
658 |
'group' => 'audio', |
|
|
659 |
'module' => 'monkey', |
|
|
660 |
'mime_type' => 'application/octet-stream', |
|
|
661 |
), |
|
|
662 |
|
|
|
663 |
// has been known to produce false matches in random files (e.g. JPEGs), leave out until more precise matching available |
|
|
664 |
// // MOD - audio - MODule (assorted sub-formats) |
|
|
665 |
// 'mod' => array( |
|
|
666 |
// 'pattern' => '^.{1080}(M\\.K\\.|M!K!|FLT4|FLT8|[5-9]CHN|[1-3][0-9]CH)', |
|
|
667 |
// 'group' => 'audio', |
|
|
668 |
// 'module' => 'mod', |
|
|
669 |
// 'option' => 'mod', |
|
|
670 |
// 'mime_type' => 'audio/mod', |
|
|
671 |
// ), |
|
|
672 |
|
|
|
673 |
// MOD - audio - MODule (Impulse Tracker) |
|
|
674 |
'it' => array( |
|
|
675 |
'pattern' => '^IMPM', |
|
|
676 |
'group' => 'audio', |
|
|
677 |
'module' => 'mod', |
|
|
678 |
//'option' => 'it', |
|
|
679 |
'mime_type' => 'audio/it', |
|
|
680 |
), |
|
|
681 |
|
|
|
682 |
// MOD - audio - MODule (eXtended Module, various sub-formats) |
|
|
683 |
'xm' => array( |
|
|
684 |
'pattern' => '^Extended Module', |
|
|
685 |
'group' => 'audio', |
|
|
686 |
'module' => 'mod', |
|
|
687 |
//'option' => 'xm', |
|
|
688 |
'mime_type' => 'audio/xm', |
|
|
689 |
), |
|
|
690 |
|
|
|
691 |
// MOD - audio - MODule (ScreamTracker) |
|
|
692 |
's3m' => array( |
|
|
693 |
'pattern' => '^.{44}SCRM', |
|
|
694 |
'group' => 'audio', |
|
|
695 |
'module' => 'mod', |
|
|
696 |
//'option' => 's3m', |
|
|
697 |
'mime_type' => 'audio/s3m', |
|
|
698 |
), |
|
|
699 |
|
|
|
700 |
// MPC - audio - Musepack / MPEGplus |
|
|
701 |
'mpc' => array( |
|
|
702 |
'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])', |
|
|
703 |
'group' => 'audio', |
|
|
704 |
'module' => 'mpc', |
|
|
705 |
'mime_type' => 'audio/x-musepack', |
|
|
706 |
), |
|
|
707 |
|
|
|
708 |
// MP3 - audio - MPEG-audio Layer 3 (very similar to AAC-ADTS) |
|
|
709 |
'mp3' => array( |
|
|
710 |
'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]', |
|
|
711 |
'group' => 'audio', |
|
|
712 |
'module' => 'mp3', |
|
|
713 |
'mime_type' => 'audio/mpeg', |
|
|
714 |
), |
|
|
715 |
|
|
|
716 |
// OFR - audio - OptimFROG |
|
|
717 |
'ofr' => array( |
|
|
718 |
'pattern' => '^(\*RIFF|OFR)', |
|
|
719 |
'group' => 'audio', |
|
|
720 |
'module' => 'optimfrog', |
|
|
721 |
'mime_type' => 'application/octet-stream', |
|
|
722 |
), |
|
|
723 |
|
|
|
724 |
// RKAU - audio - RKive AUdio compressor |
|
|
725 |
'rkau' => array( |
|
|
726 |
'pattern' => '^RKA', |
|
|
727 |
'group' => 'audio', |
|
|
728 |
'module' => 'rkau', |
|
|
729 |
'mime_type' => 'application/octet-stream', |
|
|
730 |
), |
|
|
731 |
|
|
|
732 |
// SHN - audio - Shorten |
|
|
733 |
'shn' => array( |
|
|
734 |
'pattern' => '^ajkg', |
|
|
735 |
'group' => 'audio', |
|
|
736 |
'module' => 'shorten', |
|
|
737 |
'mime_type' => 'audio/xmms-shn', |
|
|
738 |
'fail_id3' => 'ERROR', |
|
|
739 |
'fail_ape' => 'ERROR', |
|
|
740 |
), |
|
|
741 |
|
|
|
742 |
// TTA - audio - TTA Lossless Audio Compressor (http://tta.corecodec.org) |
|
|
743 |
'tta' => array( |
|
|
744 |
'pattern' => '^TTA', // could also be '^TTA(\x01|\x02|\x03|2|1)' |
|
|
745 |
'group' => 'audio', |
|
|
746 |
'module' => 'tta', |
|
|
747 |
'mime_type' => 'application/octet-stream', |
|
|
748 |
), |
|
|
749 |
|
|
|
750 |
// VOC - audio - Creative Voice (VOC) |
|
|
751 |
'voc' => array( |
|
|
752 |
'pattern' => '^Creative Voice File', |
|
|
753 |
'group' => 'audio', |
|
|
754 |
'module' => 'voc', |
|
|
755 |
'mime_type' => 'audio/voc', |
|
|
756 |
), |
|
|
757 |
|
|
|
758 |
// VQF - audio - transform-domain weighted interleave Vector Quantization Format (VQF) |
|
|
759 |
'vqf' => array( |
|
|
760 |
'pattern' => '^TWIN', |
|
|
761 |
'group' => 'audio', |
|
|
762 |
'module' => 'vqf', |
|
|
763 |
'mime_type' => 'application/octet-stream', |
|
|
764 |
), |
|
|
765 |
|
|
|
766 |
// WV - audio - WavPack (v4.0+) |
|
|
767 |
'wv' => array( |
|
|
768 |
'pattern' => '^wvpk', |
|
|
769 |
'group' => 'audio', |
|
|
770 |
'module' => 'wavpack', |
|
|
771 |
'mime_type' => 'application/octet-stream', |
|
|
772 |
), |
|
|
773 |
|
|
|
774 |
|
|
|
775 |
// Audio-Video formats |
|
|
776 |
|
|
|
777 |
// ASF - audio/video - Advanced Streaming Format, Windows Media Video, Windows Media Audio |
|
|
778 |
'asf' => array( |
|
|
779 |
'pattern' => '^\x30\x26\xB2\x75\x8E\x66\xCF\x11\xA6\xD9\x00\xAA\x00\x62\xCE\x6C', |
|
|
780 |
'group' => 'audio-video', |
|
|
781 |
'module' => 'asf', |
|
|
782 |
'mime_type' => 'video/x-ms-asf', |
|
|
783 |
'iconv_req' => false, |
|
|
784 |
), |
|
|
785 |
|
|
|
786 |
// BINK - audio/video - Bink / Smacker |
|
|
787 |
'bink' => array( |
|
|
788 |
'pattern' => '^(BIK|SMK)', |
|
|
789 |
'group' => 'audio-video', |
|
|
790 |
'module' => 'bink', |
|
|
791 |
'mime_type' => 'application/octet-stream', |
|
|
792 |
), |
|
|
793 |
|
|
|
794 |
// FLV - audio/video - FLash Video |
|
|
795 |
'flv' => array( |
|
|
796 |
'pattern' => '^FLV\x01', |
|
|
797 |
'group' => 'audio-video', |
|
|
798 |
'module' => 'flv', |
|
|
799 |
'mime_type' => 'video/x-flv', |
|
|
800 |
), |
|
|
801 |
|
|
|
802 |
// MKAV - audio/video - Mastroka |
|
|
803 |
'matroska' => array( |
|
|
804 |
'pattern' => '^\x1A\x45\xDF\xA3', |
|
|
805 |
'group' => 'audio-video', |
|
|
806 |
'module' => 'matroska', |
|
|
807 |
'mime_type' => 'video/x-matroska', // may also be audio/x-matroska |
|
|
808 |
), |
|
|
809 |
|
|
|
810 |
// MPEG - audio/video - MPEG (Moving Pictures Experts Group) |
|
|
811 |
'mpeg' => array( |
|
|
812 |
'pattern' => '^\x00\x00\x01(\xBA|\xB3)', |
|
|
813 |
'group' => 'audio-video', |
|
|
814 |
'module' => 'mpeg', |
|
|
815 |
'mime_type' => 'video/mpeg', |
|
|
816 |
), |
|
|
817 |
|
|
|
818 |
// NSV - audio/video - Nullsoft Streaming Video (NSV) |
|
|
819 |
'nsv' => array( |
|
|
820 |
'pattern' => '^NSV[sf]', |
|
|
821 |
'group' => 'audio-video', |
|
|
822 |
'module' => 'nsv', |
|
|
823 |
'mime_type' => 'application/octet-stream', |
|
|
824 |
), |
|
|
825 |
|
|
|
826 |
// Ogg - audio/video - Ogg (Ogg-Vorbis, Ogg-FLAC, Speex, Ogg-Theora(*), Ogg-Tarkin(*)) |
|
|
827 |
'ogg' => array( |
|
|
828 |
'pattern' => '^OggS', |
|
|
829 |
'group' => 'audio', |
|
|
830 |
'module' => 'ogg', |
|
|
831 |
'mime_type' => 'application/ogg', |
|
|
832 |
'fail_id3' => 'WARNING', |
|
|
833 |
'fail_ape' => 'WARNING', |
|
|
834 |
), |
|
|
835 |
|
|
|
836 |
// QT - audio/video - Quicktime |
|
|
837 |
'quicktime' => array( |
|
|
838 |
'pattern' => '^.{4}(cmov|free|ftyp|mdat|moov|pnot|skip|wide)', |
|
|
839 |
'group' => 'audio-video', |
|
|
840 |
'module' => 'quicktime', |
|
|
841 |
'mime_type' => 'video/quicktime', |
|
|
842 |
), |
|
|
843 |
|
|
|
844 |
// 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) |
|
|
845 |
'riff' => array( |
|
|
846 |
'pattern' => '^(RIFF|SDSS|FORM)', |
|
|
847 |
'group' => 'audio-video', |
|
|
848 |
'module' => 'riff', |
|
|
849 |
'mime_type' => 'audio/x-wave', |
|
|
850 |
'fail_ape' => 'WARNING', |
|
|
851 |
), |
|
|
852 |
|
|
|
853 |
// Real - audio/video - RealAudio, RealVideo |
|
|
854 |
'real' => array( |
|
|
855 |
'pattern' => '^(\\.RMF|\\.ra)', |
|
|
856 |
'group' => 'audio-video', |
|
|
857 |
'module' => 'real', |
|
|
858 |
'mime_type' => 'audio/x-realaudio', |
|
|
859 |
), |
|
|
860 |
|
|
|
861 |
// SWF - audio/video - ShockWave Flash |
|
|
862 |
'swf' => array( |
|
|
863 |
'pattern' => '^(F|C)WS', |
|
|
864 |
'group' => 'audio-video', |
|
|
865 |
'module' => 'swf', |
|
|
866 |
'mime_type' => 'application/x-shockwave-flash', |
|
|
867 |
), |
|
|
868 |
|
|
|
869 |
// TS - audio/video - MPEG-2 Transport Stream |
|
|
870 |
'ts' => array( |
|
|
871 |
'pattern' => '^(\x47.{187}){10,}', // packets are 188 bytes long and start with 0x47 "G". Check for at least 10 packets matching this pattern |
|
|
872 |
'group' => 'audio-video', |
|
|
873 |
'module' => 'ts', |
|
|
874 |
'mime_type' => 'video/MP2T', |
|
|
875 |
), |
|
|
876 |
|
|
|
877 |
|
|
|
878 |
// Still-Image formats |
|
|
879 |
|
|
|
880 |
// BMP - still image - Bitmap (Windows, OS/2; uncompressed, RLE8, RLE4) |
|
|
881 |
'bmp' => array( |
|
|
882 |
'pattern' => '^BM', |
|
|
883 |
'group' => 'graphic', |
|
|
884 |
'module' => 'bmp', |
|
|
885 |
'mime_type' => 'image/bmp', |
|
|
886 |
'fail_id3' => 'ERROR', |
|
|
887 |
'fail_ape' => 'ERROR', |
|
|
888 |
), |
|
|
889 |
|
|
|
890 |
// GIF - still image - Graphics Interchange Format |
|
|
891 |
'gif' => array( |
|
|
892 |
'pattern' => '^GIF', |
|
|
893 |
'group' => 'graphic', |
|
|
894 |
'module' => 'gif', |
|
|
895 |
'mime_type' => 'image/gif', |
|
|
896 |
'fail_id3' => 'ERROR', |
|
|
897 |
'fail_ape' => 'ERROR', |
|
|
898 |
), |
|
|
899 |
|
|
|
900 |
// JPEG - still image - Joint Photographic Experts Group (JPEG) |
|
|
901 |
'jpg' => array( |
|
|
902 |
'pattern' => '^\xFF\xD8\xFF', |
|
|
903 |
'group' => 'graphic', |
|
|
904 |
'module' => 'jpg', |
|
|
905 |
'mime_type' => 'image/jpeg', |
|
|
906 |
'fail_id3' => 'ERROR', |
|
|
907 |
'fail_ape' => 'ERROR', |
|
|
908 |
), |
|
|
909 |
|
|
|
910 |
// PCD - still image - Kodak Photo CD |
|
|
911 |
'pcd' => array( |
|
|
912 |
'pattern' => '^.{2048}PCD_IPI\x00', |
|
|
913 |
'group' => 'graphic', |
|
|
914 |
'module' => 'pcd', |
|
|
915 |
'mime_type' => 'image/x-photo-cd', |
|
|
916 |
'fail_id3' => 'ERROR', |
|
|
917 |
'fail_ape' => 'ERROR', |
|
|
918 |
), |
|
|
919 |
|
|
|
920 |
|
|
|
921 |
// PNG - still image - Portable Network Graphics (PNG) |
|
|
922 |
'png' => array( |
|
|
923 |
'pattern' => '^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A', |
|
|
924 |
'group' => 'graphic', |
|
|
925 |
'module' => 'png', |
|
|
926 |
'mime_type' => 'image/png', |
|
|
927 |
'fail_id3' => 'ERROR', |
|
|
928 |
'fail_ape' => 'ERROR', |
|
|
929 |
), |
|
|
930 |
|
|
|
931 |
|
|
|
932 |
// SVG - still image - Scalable Vector Graphics (SVG) |
|
|
933 |
'svg' => array( |
|
|
934 |
'pattern' => '(<!DOCTYPE svg PUBLIC |xmlns="http:\/\/www\.w3\.org\/2000\/svg")', |
|
|
935 |
'group' => 'graphic', |
|
|
936 |
'module' => 'svg', |
|
|
937 |
'mime_type' => 'image/svg+xml', |
|
|
938 |
'fail_id3' => 'ERROR', |
|
|
939 |
'fail_ape' => 'ERROR', |
|
|
940 |
), |
|
|
941 |
|
|
|
942 |
|
|
|
943 |
// TIFF - still image - Tagged Information File Format (TIFF) |
|
|
944 |
'tiff' => array( |
|
|
945 |
'pattern' => '^(II\x2A\x00|MM\x00\x2A)', |
|
|
946 |
'group' => 'graphic', |
|
|
947 |
'module' => 'tiff', |
|
|
948 |
'mime_type' => 'image/tiff', |
|
|
949 |
'fail_id3' => 'ERROR', |
|
|
950 |
'fail_ape' => 'ERROR', |
|
|
951 |
), |
|
|
952 |
|
|
|
953 |
|
|
|
954 |
// EFAX - still image - eFax (TIFF derivative) |
|
|
955 |
'efax' => array( |
|
|
956 |
'pattern' => '^\xDC\xFE', |
|
|
957 |
'group' => 'graphic', |
|
|
958 |
'module' => 'efax', |
|
|
959 |
'mime_type' => 'image/efax', |
|
|
960 |
'fail_id3' => 'ERROR', |
|
|
961 |
'fail_ape' => 'ERROR', |
|
|
962 |
), |
|
|
963 |
|
|
|
964 |
|
|
|
965 |
// Data formats |
|
|
966 |
|
|
|
967 |
// ISO - data - International Standards Organization (ISO) CD-ROM Image |
|
|
968 |
'iso' => array( |
|
|
969 |
'pattern' => '^.{32769}CD001', |
|
|
970 |
'group' => 'misc', |
|
|
971 |
'module' => 'iso', |
|
|
972 |
'mime_type' => 'application/octet-stream', |
|
|
973 |
'fail_id3' => 'ERROR', |
|
|
974 |
'fail_ape' => 'ERROR', |
|
|
975 |
'iconv_req' => false, |
|
|
976 |
), |
|
|
977 |
|
|
|
978 |
// RAR - data - RAR compressed data |
|
|
979 |
'rar' => array( |
|
|
980 |
'pattern' => '^Rar\!', |
|
|
981 |
'group' => 'archive', |
|
|
982 |
'module' => 'rar', |
|
|
983 |
'mime_type' => 'application/octet-stream', |
|
|
984 |
'fail_id3' => 'ERROR', |
|
|
985 |
'fail_ape' => 'ERROR', |
|
|
986 |
), |
|
|
987 |
|
|
|
988 |
// SZIP - audio/data - SZIP compressed data |
|
|
989 |
'szip' => array( |
|
|
990 |
'pattern' => '^SZ\x0A\x04', |
|
|
991 |
'group' => 'archive', |
|
|
992 |
'module' => 'szip', |
|
|
993 |
'mime_type' => 'application/octet-stream', |
|
|
994 |
'fail_id3' => 'ERROR', |
|
|
995 |
'fail_ape' => 'ERROR', |
|
|
996 |
), |
|
|
997 |
|
|
|
998 |
// TAR - data - TAR compressed data |
|
|
999 |
'tar' => array( |
|
|
1000 |
'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}', |
|
|
1001 |
'group' => 'archive', |
|
|
1002 |
'module' => 'tar', |
|
|
1003 |
'mime_type' => 'application/x-tar', |
|
|
1004 |
'fail_id3' => 'ERROR', |
|
|
1005 |
'fail_ape' => 'ERROR', |
|
|
1006 |
), |
|
|
1007 |
|
|
|
1008 |
// GZIP - data - GZIP compressed data |
|
|
1009 |
'gz' => array( |
|
|
1010 |
'pattern' => '^\x1F\x8B\x08', |
|
|
1011 |
'group' => 'archive', |
|
|
1012 |
'module' => 'gzip', |
|
|
1013 |
'mime_type' => 'application/x-gzip', |
|
|
1014 |
'fail_id3' => 'ERROR', |
|
|
1015 |
'fail_ape' => 'ERROR', |
|
|
1016 |
), |
|
|
1017 |
|
|
|
1018 |
// ZIP - data - ZIP compressed data |
|
|
1019 |
'zip' => array( |
|
|
1020 |
'pattern' => '^PK\x03\x04', |
|
|
1021 |
'group' => 'archive', |
|
|
1022 |
'module' => 'zip', |
|
|
1023 |
'mime_type' => 'application/zip', |
|
|
1024 |
'fail_id3' => 'ERROR', |
|
|
1025 |
'fail_ape' => 'ERROR', |
|
|
1026 |
), |
|
|
1027 |
|
|
|
1028 |
|
|
|
1029 |
// Misc other formats |
|
|
1030 |
|
|
|
1031 |
// PAR2 - data - Parity Volume Set Specification 2.0 |
|
|
1032 |
'par2' => array ( |
|
|
1033 |
'pattern' => '^PAR2\x00PKT', |
|
|
1034 |
'group' => 'misc', |
|
|
1035 |
'module' => 'par2', |
|
|
1036 |
'mime_type' => 'application/octet-stream', |
|
|
1037 |
'fail_id3' => 'ERROR', |
|
|
1038 |
'fail_ape' => 'ERROR', |
|
|
1039 |
), |
|
|
1040 |
|
|
|
1041 |
// PDF - data - Portable Document Format |
|
|
1042 |
'pdf' => array( |
|
|
1043 |
'pattern' => '^\x25PDF', |
|
|
1044 |
'group' => 'misc', |
|
|
1045 |
'module' => 'pdf', |
|
|
1046 |
'mime_type' => 'application/pdf', |
|
|
1047 |
'fail_id3' => 'ERROR', |
|
|
1048 |
'fail_ape' => 'ERROR', |
|
|
1049 |
), |
|
|
1050 |
|
|
|
1051 |
// MSOFFICE - data - ZIP compressed data |
|
|
1052 |
'msoffice' => array( |
|
|
1053 |
'pattern' => '^\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1', // D0CF11E == DOCFILE == Microsoft Office Document |
|
|
1054 |
'group' => 'misc', |
|
|
1055 |
'module' => 'msoffice', |
|
|
1056 |
'mime_type' => 'application/octet-stream', |
|
|
1057 |
'fail_id3' => 'ERROR', |
|
|
1058 |
'fail_ape' => 'ERROR', |
|
|
1059 |
), |
|
|
1060 |
|
|
|
1061 |
// CUE - data - CUEsheet (index to single-file disc images) |
|
|
1062 |
'cue' => array( |
|
|
1063 |
'pattern' => '', // empty pattern means cannot be automatically detected, will fall through all other formats and match based on filename and very basic file contents |
|
|
1064 |
'group' => 'misc', |
|
|
1065 |
'module' => 'cue', |
|
|
1066 |
'mime_type' => 'application/octet-stream', |
|
|
1067 |
), |
|
|
1068 |
|
|
|
1069 |
); |
|
|
1070 |
} |
|
|
1071 |
|
|
|
1072 |
return $format_info; |
|
|
1073 |
} |
|
|
1074 |
|
|
|
1075 |
|
|
|
1076 |
|
|
|
1077 |
public function GetFileFormat(&$filedata, $filename='') { |
|
|
1078 |
// this function will determine the format of a file based on usually |
|
|
1079 |
// the first 2-4 bytes of the file (8 bytes for PNG, 16 bytes for JPG, |
|
|
1080 |
// and in the case of ISO CD image, 6 bytes offset 32kb from the start |
|
|
1081 |
// of the file). |
|
|
1082 |
|
|
|
1083 |
// Identify file format - loop through $format_info and detect with reg expr |
|
|
1084 |
foreach ($this->GetFileFormatArray() as $format_name => $info) { |
|
|
1085 |
// The /s switch on preg_match() forces preg_match() NOT to treat |
|
|
1086 |
// newline (0x0A) characters as special chars but do a binary match |
|
|
1087 |
if (!empty($info['pattern']) && preg_match('#'.$info['pattern'].'#s', $filedata)) { |
|
|
1088 |
$info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; |
|
|
1089 |
return $info; |
|
|
1090 |
} |
|
|
1091 |
} |
|
|
1092 |
|
|
|
1093 |
|
|
|
1094 |
if (preg_match('#\.mp[123a]$#i', $filename)) { |
|
|
1095 |
// Too many mp3 encoders on the market put gabage in front of mpeg files |
|
|
1096 |
// use assume format on these if format detection failed |
|
|
1097 |
$GetFileFormatArray = $this->GetFileFormatArray(); |
|
|
1098 |
$info = $GetFileFormatArray['mp3']; |
|
|
1099 |
$info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; |
|
|
1100 |
return $info; |
|
|
1101 |
} elseif (preg_match('/\.cue$/i', $filename) && preg_match('#FILE "[^"]+" (BINARY|MOTOROLA|AIFF|WAVE|MP3)#', $filedata)) { |
|
|
1102 |
// there's not really a useful consistent "magic" at the beginning of .cue files to identify them |
|
|
1103 |
// so until I think of something better, just go by filename if all other format checks fail |
|
|
1104 |
// and verify there's at least one instance of "TRACK xx AUDIO" in the file |
|
|
1105 |
$GetFileFormatArray = $this->GetFileFormatArray(); |
|
|
1106 |
$info = $GetFileFormatArray['cue']; |
|
|
1107 |
$info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; |
|
|
1108 |
return $info; |
|
|
1109 |
} |
|
|
1110 |
|
|
|
1111 |
return false; |
|
|
1112 |
} |
|
|
1113 |
|
|
|
1114 |
|
|
|
1115 |
// converts array to $encoding charset from $this->encoding |
|
|
1116 |
public function CharConvert(&$array, $encoding) { |
|
|
1117 |
|
|
|
1118 |
// identical encoding - end here |
|
|
1119 |
if ($encoding == $this->encoding) { |
|
|
1120 |
return; |
|
|
1121 |
} |
|
|
1122 |
|
|
|
1123 |
// loop thru array |
|
|
1124 |
foreach ($array as $key => $value) { |
|
|
1125 |
|
|
|
1126 |
// go recursive |
|
|
1127 |
if (is_array($value)) { |
|
|
1128 |
$this->CharConvert($array[$key], $encoding); |
|
|
1129 |
} |
|
|
1130 |
|
|
|
1131 |
// convert string |
|
|
1132 |
elseif (is_string($value)) { |
|
|
1133 |
$array[$key] = trim(getid3_lib::iconv_fallback($encoding, $this->encoding, $value)); |
|
|
1134 |
} |
|
|
1135 |
} |
|
|
1136 |
} |
|
|
1137 |
|
|
|
1138 |
|
|
|
1139 |
public function HandleAllTags() { |
|
|
1140 |
|
|
|
1141 |
// key name => array (tag name, character encoding) |
|
|
1142 |
static $tags; |
|
|
1143 |
if (empty($tags)) { |
|
|
1144 |
$tags = array( |
|
|
1145 |
'asf' => array('asf' , 'UTF-16LE'), |
|
|
1146 |
'midi' => array('midi' , 'ISO-8859-1'), |
|
|
1147 |
'nsv' => array('nsv' , 'ISO-8859-1'), |
|
|
1148 |
'ogg' => array('vorbiscomment' , 'UTF-8'), |
|
|
1149 |
'png' => array('png' , 'UTF-8'), |
|
|
1150 |
'tiff' => array('tiff' , 'ISO-8859-1'), |
|
|
1151 |
'quicktime' => array('quicktime' , 'UTF-8'), |
|
|
1152 |
'real' => array('real' , 'ISO-8859-1'), |
|
|
1153 |
'vqf' => array('vqf' , 'ISO-8859-1'), |
|
|
1154 |
'zip' => array('zip' , 'ISO-8859-1'), |
|
|
1155 |
'riff' => array('riff' , 'ISO-8859-1'), |
|
|
1156 |
'lyrics3' => array('lyrics3' , 'ISO-8859-1'), |
|
|
1157 |
'id3v1' => array('id3v1' , $this->encoding_id3v1), |
|
|
1158 |
'id3v2' => array('id3v2' , 'UTF-8'), // not according to the specs (every frame can have a different encoding), but getID3() force-converts all encodings to UTF-8 |
|
|
1159 |
'ape' => array('ape' , 'UTF-8'), |
|
|
1160 |
'cue' => array('cue' , 'ISO-8859-1'), |
|
|
1161 |
'matroska' => array('matroska' , 'UTF-8'), |
|
|
1162 |
'flac' => array('vorbiscomment' , 'UTF-8'), |
|
|
1163 |
'divxtag' => array('divx' , 'ISO-8859-1'), |
|
|
1164 |
); |
|
|
1165 |
} |
|
|
1166 |
|
|
|
1167 |
// loop through comments array |
|
|
1168 |
foreach ($tags as $comment_name => $tagname_encoding_array) { |
|
|
1169 |
list($tag_name, $encoding) = $tagname_encoding_array; |
|
|
1170 |
|
|
|
1171 |
// fill in default encoding type if not already present |
|
|
1172 |
if (isset($this->info[$comment_name]) && !isset($this->info[$comment_name]['encoding'])) { |
|
|
1173 |
$this->info[$comment_name]['encoding'] = $encoding; |
|
|
1174 |
} |
|
|
1175 |
|
|
|
1176 |
// copy comments if key name set |
|
|
1177 |
if (!empty($this->info[$comment_name]['comments'])) { |
|
|
1178 |
foreach ($this->info[$comment_name]['comments'] as $tag_key => $valuearray) { |
|
|
1179 |
foreach ($valuearray as $key => $value) { |
|
|
1180 |
if (is_string($value)) { |
|
|
1181 |
$value = trim($value, " \r\n\t"); // do not trim nulls from $value!! Unicode characters will get mangled if trailing nulls are removed! |
|
|
1182 |
} |
|
|
1183 |
if ($value) { |
|
|
1184 |
$this->info['tags'][trim($tag_name)][trim($tag_key)][] = $value; |
|
|
1185 |
} |
|
|
1186 |
} |
|
|
1187 |
if ($tag_key == 'picture') { |
|
|
1188 |
unset($this->info[$comment_name]['comments'][$tag_key]); |
|
|
1189 |
} |
|
|
1190 |
} |
|
|
1191 |
|
|
|
1192 |
if (!isset($this->info['tags'][$tag_name])) { |
|
|
1193 |
// comments are set but contain nothing but empty strings, so skip |
|
|
1194 |
continue; |
|
|
1195 |
} |
|
|
1196 |
|
|
|
1197 |
if ($this->option_tags_html) { |
|
|
1198 |
foreach ($this->info['tags'][$tag_name] as $tag_key => $valuearray) { |
|
|
1199 |
foreach ($valuearray as $key => $value) { |
|
|
1200 |
if (is_string($value)) { |
|
|
1201 |
//$this->info['tags_html'][$tag_name][$tag_key][$key] = getid3_lib::MultiByteCharString2HTML($value, $encoding); |
|
|
1202 |
$this->info['tags_html'][$tag_name][$tag_key][$key] = str_replace('�', '', trim(getid3_lib::MultiByteCharString2HTML($value, $encoding))); |
|
|
1203 |
} else { |
|
|
1204 |
$this->info['tags_html'][$tag_name][$tag_key][$key] = $value; |
|
|
1205 |
} |
|
|
1206 |
} |
|
|
1207 |
} |
|
|
1208 |
} |
|
|
1209 |
|
|
|
1210 |
$this->CharConvert($this->info['tags'][$tag_name], $encoding); // only copy gets converted! |
|
|
1211 |
} |
|
|
1212 |
|
|
|
1213 |
} |
|
|
1214 |
|
|
|
1215 |
// pictures can take up a lot of space, and we don't need multiple copies of them |
|
|
1216 |
// let there be a single copy in [comments][picture], and not elsewhere |
|
|
1217 |
if (!empty($this->info['tags'])) { |
|
|
1218 |
$unset_keys = array('tags', 'tags_html'); |
|
|
1219 |
foreach ($this->info['tags'] as $tagtype => $tagarray) { |
|
|
1220 |
foreach ($tagarray as $tagname => $tagdata) { |
|
|
1221 |
if ($tagname == 'picture') { |
|
|
1222 |
foreach ($tagdata as $key => $tagarray) { |
|
|
1223 |
$this->info['comments']['picture'][] = $tagarray; |
|
|
1224 |
if (isset($tagarray['data']) && isset($tagarray['image_mime'])) { |
|
|
1225 |
if (isset($this->info['tags'][$tagtype][$tagname][$key])) { |
|
|
1226 |
unset($this->info['tags'][$tagtype][$tagname][$key]); |
|
|
1227 |
} |
|
|
1228 |
if (isset($this->info['tags_html'][$tagtype][$tagname][$key])) { |
|
|
1229 |
unset($this->info['tags_html'][$tagtype][$tagname][$key]); |
|
|
1230 |
} |
|
|
1231 |
} |
|
|
1232 |
} |
|
|
1233 |
} |
|
|
1234 |
} |
|
|
1235 |
foreach ($unset_keys as $unset_key) { |
|
|
1236 |
// remove possible empty keys from (e.g. [tags][id3v2][picture]) |
|
|
1237 |
if (empty($this->info[$unset_key][$tagtype]['picture'])) { |
|
|
1238 |
unset($this->info[$unset_key][$tagtype]['picture']); |
|
|
1239 |
} |
|
|
1240 |
if (empty($this->info[$unset_key][$tagtype])) { |
|
|
1241 |
unset($this->info[$unset_key][$tagtype]); |
|
|
1242 |
} |
|
|
1243 |
if (empty($this->info[$unset_key])) { |
|
|
1244 |
unset($this->info[$unset_key]); |
|
|
1245 |
} |
|
|
1246 |
} |
|
|
1247 |
// remove duplicate copy of picture data from (e.g. [id3v2][comments][picture]) |
|
|
1248 |
if (isset($this->info[$tagtype]['comments']['picture'])) { |
|
|
1249 |
unset($this->info[$tagtype]['comments']['picture']); |
|
|
1250 |
} |
|
|
1251 |
if (empty($this->info[$tagtype]['comments'])) { |
|
|
1252 |
unset($this->info[$tagtype]['comments']); |
|
|
1253 |
} |
|
|
1254 |
if (empty($this->info[$tagtype])) { |
|
|
1255 |
unset($this->info[$tagtype]); |
|
|
1256 |
} |
|
|
1257 |
} |
|
|
1258 |
} |
|
|
1259 |
return true; |
|
|
1260 |
} |
|
|
1261 |
|
|
|
1262 |
|
|
|
1263 |
public function getHashdata($algorithm) { |
|
|
1264 |
switch ($algorithm) { |
|
|
1265 |
case 'md5': |
|
|
1266 |
case 'sha1': |
|
|
1267 |
break; |
|
|
1268 |
|
|
|
1269 |
default: |
|
|
1270 |
return $this->error('bad algorithm "'.$algorithm.'" in getHashdata()'); |
|
|
1271 |
break; |
|
|
1272 |
} |
|
|
1273 |
|
|
|
1274 |
if (!empty($this->info['fileformat']) && !empty($this->info['dataformat']) && ($this->info['fileformat'] == 'ogg') && ($this->info['audio']['dataformat'] == 'vorbis')) { |
|
|
1275 |
|
|
|
1276 |
// We cannot get an identical md5_data value for Ogg files where the comments |
|
|
1277 |
// span more than 1 Ogg page (compared to the same audio data with smaller |
|
|
1278 |
// comments) using the normal getID3() method of MD5'ing the data between the |
|
|
1279 |
// end of the comments and the end of the file (minus any trailing tags), |
|
|
1280 |
// because the page sequence numbers of the pages that the audio data is on |
|
|
1281 |
// do not match. Under normal circumstances, where comments are smaller than |
|
|
1282 |
// the nominal 4-8kB page size, then this is not a problem, but if there are |
|
|
1283 |
// very large comments, the only way around it is to strip off the comment |
|
|
1284 |
// tags with vorbiscomment and MD5 that file. |
|
|
1285 |
// This procedure must be applied to ALL Ogg files, not just the ones with |
|
|
1286 |
// comments larger than 1 page, because the below method simply MD5's the |
|
|
1287 |
// whole file with the comments stripped, not just the portion after the |
|
|
1288 |
// comments block (which is the standard getID3() method. |
|
|
1289 |
|
|
|
1290 |
// The above-mentioned problem of comments spanning multiple pages and changing |
|
|
1291 |
// page sequence numbers likely happens for OggSpeex and OggFLAC as well, but |
|
|
1292 |
// currently vorbiscomment only works on OggVorbis files. |
|
|
1293 |
|
|
|
1294 |
if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) { |
|
|
1295 |
|
|
|
1296 |
$this->warning('Failed making system call to vorbiscomment.exe - '.$algorithm.'_data is incorrect - error returned: PHP running in Safe Mode (backtick operator not available)'); |
|
|
1297 |
$this->info[$algorithm.'_data'] = false; |
|
|
1298 |
|
|
|
1299 |
} else { |
|
|
1300 |
|
|
|
1301 |
// Prevent user from aborting script |
|
|
1302 |
$old_abort = ignore_user_abort(true); |
|
|
1303 |
|
|
|
1304 |
// Create empty file |
|
|
1305 |
$empty = tempnam(GETID3_TEMP_DIR, 'getID3'); |
|
|
1306 |
touch($empty); |
|
|
1307 |
|
|
|
1308 |
// Use vorbiscomment to make temp file without comments |
|
|
1309 |
$temp = tempnam(GETID3_TEMP_DIR, 'getID3'); |
|
|
1310 |
$file = $this->info['filenamepath']; |
|
|
1311 |
|
|
|
1312 |
if (GETID3_OS_ISWINDOWS) { |
|
|
1313 |
|
|
|
1314 |
if (file_exists(GETID3_HELPERAPPSDIR.'vorbiscomment.exe')) { |
|
|
1315 |
|
|
|
1316 |
$commandline = '"'.GETID3_HELPERAPPSDIR.'vorbiscomment.exe" -w -c "'.$empty.'" "'.$file.'" "'.$temp.'"'; |
|
|
1317 |
$VorbisCommentError = `$commandline`; |
|
|
1318 |
|
|
|
1319 |
} else { |
|
|
1320 |
|
|
|
1321 |
$VorbisCommentError = 'vorbiscomment.exe not found in '.GETID3_HELPERAPPSDIR; |
|
|
1322 |
|
|
|
1323 |
} |
|
|
1324 |
|
|
|
1325 |
} else { |
|
|
1326 |
|
|
|
1327 |
$commandline = 'vorbiscomment -w -c "'.$empty.'" "'.$file.'" "'.$temp.'" 2>&1'; |
|
|
1328 |
$commandline = 'vorbiscomment -w -c '.escapeshellarg($empty).' '.escapeshellarg($file).' '.escapeshellarg($temp).' 2>&1'; |
|
|
1329 |
$VorbisCommentError = `$commandline`; |
|
|
1330 |
|
|
|
1331 |
} |
|
|
1332 |
|
|
|
1333 |
if (!empty($VorbisCommentError)) { |
|
|
1334 |
|
|
|
1335 |
$this->info['warning'][] = 'Failed making system call to vorbiscomment(.exe) - '.$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; |
|
|
1336 |
$this->info[$algorithm.'_data'] = false; |
|
|
1337 |
|
|
|
1338 |
} else { |
|
|
1339 |
|
|
|
1340 |
// Get hash of newly created file |
|
|
1341 |
switch ($algorithm) { |
|
|
1342 |
case 'md5': |
|
|
1343 |
$this->info[$algorithm.'_data'] = md5_file($temp); |
|
|
1344 |
break; |
|
|
1345 |
|
|
|
1346 |
case 'sha1': |
|
|
1347 |
$this->info[$algorithm.'_data'] = sha1_file($temp); |
|
|
1348 |
break; |
|
|
1349 |
} |
|
|
1350 |
} |
|
|
1351 |
|
|
|
1352 |
// Clean up |
|
|
1353 |
unlink($empty); |
|
|
1354 |
unlink($temp); |
|
|
1355 |
|
|
|
1356 |
// Reset abort setting |
|
|
1357 |
ignore_user_abort($old_abort); |
|
|
1358 |
|
|
|
1359 |
} |
|
|
1360 |
|
|
|
1361 |
} else { |
|
|
1362 |
|
|
|
1363 |
if (!empty($this->info['avdataoffset']) || (isset($this->info['avdataend']) && ($this->info['avdataend'] < $this->info['filesize']))) { |
|
|
1364 |
|
|
|
1365 |
// get hash from part of file |
|
|
1366 |
$this->info[$algorithm.'_data'] = getid3_lib::hash_data($this->info['filenamepath'], $this->info['avdataoffset'], $this->info['avdataend'], $algorithm); |
|
|
1367 |
|
|
|
1368 |
} else { |
|
|
1369 |
|
|
|
1370 |
// get hash from whole file |
|
|
1371 |
switch ($algorithm) { |
|
|
1372 |
case 'md5': |
|
|
1373 |
$this->info[$algorithm.'_data'] = md5_file($this->info['filenamepath']); |
|
|
1374 |
break; |
|
|
1375 |
|
|
|
1376 |
case 'sha1': |
|
|
1377 |
$this->info[$algorithm.'_data'] = sha1_file($this->info['filenamepath']); |
|
|
1378 |
break; |
|
|
1379 |
} |
|
|
1380 |
} |
|
|
1381 |
|
|
|
1382 |
} |
|
|
1383 |
return true; |
|
|
1384 |
} |
|
|
1385 |
|
|
|
1386 |
|
|
|
1387 |
public function ChannelsBitratePlaytimeCalculations() { |
|
|
1388 |
|
|
|
1389 |
// set channelmode on audio |
|
|
1390 |
if (!empty($this->info['audio']['channelmode']) || !isset($this->info['audio']['channels'])) { |
|
|
1391 |
// ignore |
|
|
1392 |
} elseif ($this->info['audio']['channels'] == 1) { |
|
|
1393 |
$this->info['audio']['channelmode'] = 'mono'; |
|
|
1394 |
} elseif ($this->info['audio']['channels'] == 2) { |
|
|
1395 |
$this->info['audio']['channelmode'] = 'stereo'; |
|
|
1396 |
} |
|
|
1397 |
|
|
|
1398 |
// Calculate combined bitrate - audio + video |
|
|
1399 |
$CombinedBitrate = 0; |
|
|
1400 |
$CombinedBitrate += (isset($this->info['audio']['bitrate']) ? $this->info['audio']['bitrate'] : 0); |
|
|
1401 |
$CombinedBitrate += (isset($this->info['video']['bitrate']) ? $this->info['video']['bitrate'] : 0); |
|
|
1402 |
if (($CombinedBitrate > 0) && empty($this->info['bitrate'])) { |
|
|
1403 |
$this->info['bitrate'] = $CombinedBitrate; |
|
|
1404 |
} |
|
|
1405 |
//if ((isset($this->info['video']) && !isset($this->info['video']['bitrate'])) || (isset($this->info['audio']) && !isset($this->info['audio']['bitrate']))) { |
|
|
1406 |
// // for example, VBR MPEG video files cannot determine video bitrate: |
|
|
1407 |
// // should not set overall bitrate and playtime from audio bitrate only |
|
|
1408 |
// unset($this->info['bitrate']); |
|
|
1409 |
//} |
|
|
1410 |
|
|
|
1411 |
// video bitrate undetermined, but calculable |
|
|
1412 |
if (isset($this->info['video']['dataformat']) && $this->info['video']['dataformat'] && (!isset($this->info['video']['bitrate']) || ($this->info['video']['bitrate'] == 0))) { |
|
|
1413 |
// if video bitrate not set |
|
|
1414 |
if (isset($this->info['audio']['bitrate']) && ($this->info['audio']['bitrate'] > 0) && ($this->info['audio']['bitrate'] == $this->info['bitrate'])) { |
|
|
1415 |
// AND if audio bitrate is set to same as overall bitrate |
|
|
1416 |
if (isset($this->info['playtime_seconds']) && ($this->info['playtime_seconds'] > 0)) { |
|
|
1417 |
// AND if playtime is set |
|
|
1418 |
if (isset($this->info['avdataend']) && isset($this->info['avdataoffset'])) { |
|
|
1419 |
// AND if AV data offset start/end is known |
|
|
1420 |
// THEN we can calculate the video bitrate |
|
|
1421 |
$this->info['bitrate'] = round((($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['playtime_seconds']); |
|
|
1422 |
$this->info['video']['bitrate'] = $this->info['bitrate'] - $this->info['audio']['bitrate']; |
|
|
1423 |
} |
|
|
1424 |
} |
|
|
1425 |
} |
|
|
1426 |
} |
|
|
1427 |
|
|
|
1428 |
if ((!isset($this->info['playtime_seconds']) || ($this->info['playtime_seconds'] <= 0)) && !empty($this->info['bitrate'])) { |
|
|
1429 |
$this->info['playtime_seconds'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['bitrate']; |
|
|
1430 |
} |
|
|
1431 |
|
|
|
1432 |
if (!isset($this->info['bitrate']) && !empty($this->info['playtime_seconds'])) { |
|
|
1433 |
$this->info['bitrate'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['playtime_seconds']; |
|
|
1434 |
} |
|
|
1435 |
if (isset($this->info['bitrate']) && empty($this->info['audio']['bitrate']) && empty($this->info['video']['bitrate'])) { |
|
|
1436 |
if (isset($this->info['audio']['dataformat']) && empty($this->info['video']['resolution_x'])) { |
|
|
1437 |
// audio only |
|
|
1438 |
$this->info['audio']['bitrate'] = $this->info['bitrate']; |
|
|
1439 |
} elseif (isset($this->info['video']['resolution_x']) && empty($this->info['audio']['dataformat'])) { |
|
|
1440 |
// video only |
|
|
1441 |
$this->info['video']['bitrate'] = $this->info['bitrate']; |
|
|
1442 |
} |
|
|
1443 |
} |
|
|
1444 |
|
|
|
1445 |
// Set playtime string |
|
|
1446 |
if (!empty($this->info['playtime_seconds']) && empty($this->info['playtime_string'])) { |
|
|
1447 |
$this->info['playtime_string'] = getid3_lib::PlaytimeString($this->info['playtime_seconds']); |
|
|
1448 |
} |
|
|
1449 |
} |
|
|
1450 |
|
|
|
1451 |
|
|
|
1452 |
public function CalculateCompressionRatioVideo() { |
|
|
1453 |
if (empty($this->info['video'])) { |
|
|
1454 |
return false; |
|
|
1455 |
} |
|
|
1456 |
if (empty($this->info['video']['resolution_x']) || empty($this->info['video']['resolution_y'])) { |
|
|
1457 |
return false; |
|
|
1458 |
} |
|
|
1459 |
if (empty($this->info['video']['bits_per_sample'])) { |
|
|
1460 |
return false; |
|
|
1461 |
} |
|
|
1462 |
|
|
|
1463 |
switch ($this->info['video']['dataformat']) { |
|
|
1464 |
case 'bmp': |
|
|
1465 |
case 'gif': |
|
|
1466 |
case 'jpeg': |
|
|
1467 |
case 'jpg': |
|
|
1468 |
case 'png': |
|
|
1469 |
case 'tiff': |
|
|
1470 |
$FrameRate = 1; |
|
|
1471 |
$PlaytimeSeconds = 1; |
|
|
1472 |
$BitrateCompressed = $this->info['filesize'] * 8; |
|
|
1473 |
break; |
|
|
1474 |
|
|
|
1475 |
default: |
|
|
1476 |
if (!empty($this->info['video']['frame_rate'])) { |
|
|
1477 |
$FrameRate = $this->info['video']['frame_rate']; |
|
|
1478 |
} else { |
|
|
1479 |
return false; |
|
|
1480 |
} |
|
|
1481 |
if (!empty($this->info['playtime_seconds'])) { |
|
|
1482 |
$PlaytimeSeconds = $this->info['playtime_seconds']; |
|
|
1483 |
} else { |
|
|
1484 |
return false; |
|
|
1485 |
} |
|
|
1486 |
if (!empty($this->info['video']['bitrate'])) { |
|
|
1487 |
$BitrateCompressed = $this->info['video']['bitrate']; |
|
|
1488 |
} else { |
|
|
1489 |
return false; |
|
|
1490 |
} |
|
|
1491 |
break; |
|
|
1492 |
} |
|
|
1493 |
$BitrateUncompressed = $this->info['video']['resolution_x'] * $this->info['video']['resolution_y'] * $this->info['video']['bits_per_sample'] * $FrameRate; |
|
|
1494 |
|
|
|
1495 |
$this->info['video']['compression_ratio'] = $BitrateCompressed / $BitrateUncompressed; |
|
|
1496 |
return true; |
|
|
1497 |
} |
|
|
1498 |
|
|
|
1499 |
|
|
|
1500 |
public function CalculateCompressionRatioAudio() { |
|
|
1501 |
if (empty($this->info['audio']['bitrate']) || empty($this->info['audio']['channels']) || empty($this->info['audio']['sample_rate']) || !is_numeric($this->info['audio']['sample_rate'])) { |
|
|
1502 |
return false; |
|
|
1503 |
} |
|
|
1504 |
$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']) ? $this->info['audio']['bits_per_sample'] : 16)); |
|
|
1505 |
|
|
|
1506 |
if (!empty($this->info['audio']['streams'])) { |
|
|
1507 |
foreach ($this->info['audio']['streams'] as $streamnumber => $streamdata) { |
|
|
1508 |
if (!empty($streamdata['bitrate']) && !empty($streamdata['channels']) && !empty($streamdata['sample_rate'])) { |
|
|
1509 |
$this->info['audio']['streams'][$streamnumber]['compression_ratio'] = $streamdata['bitrate'] / ($streamdata['channels'] * $streamdata['sample_rate'] * (!empty($streamdata['bits_per_sample']) ? $streamdata['bits_per_sample'] : 16)); |
|
|
1510 |
} |
|
|
1511 |
} |
|
|
1512 |
} |
|
|
1513 |
return true; |
|
|
1514 |
} |
|
|
1515 |
|
|
|
1516 |
|
|
|
1517 |
public function CalculateReplayGain() { |
|
|
1518 |
if (isset($this->info['replay_gain'])) { |
|
|
1519 |
if (!isset($this->info['replay_gain']['reference_volume'])) { |
|
|
1520 |
$this->info['replay_gain']['reference_volume'] = (double) 89.0; |
|
|
1521 |
} |
|
|
1522 |
if (isset($this->info['replay_gain']['track']['adjustment'])) { |
|
|
1523 |
$this->info['replay_gain']['track']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['track']['adjustment']; |
|
|
1524 |
} |
|
|
1525 |
if (isset($this->info['replay_gain']['album']['adjustment'])) { |
|
|
1526 |
$this->info['replay_gain']['album']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['album']['adjustment']; |
|
|
1527 |
} |
|
|
1528 |
|
|
|
1529 |
if (isset($this->info['replay_gain']['track']['peak'])) { |
|
|
1530 |
$this->info['replay_gain']['track']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['track']['peak']); |
|
|
1531 |
} |
|
|
1532 |
if (isset($this->info['replay_gain']['album']['peak'])) { |
|
|
1533 |
$this->info['replay_gain']['album']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['album']['peak']); |
|
|
1534 |
} |
|
|
1535 |
} |
|
|
1536 |
return true; |
|
|
1537 |
} |
|
|
1538 |
|
|
|
1539 |
public function ProcessAudioStreams() { |
|
|
1540 |
if (!empty($this->info['audio']['bitrate']) || !empty($this->info['audio']['channels']) || !empty($this->info['audio']['sample_rate'])) { |
|
|
1541 |
if (!isset($this->info['audio']['streams'])) { |
|
|
1542 |
foreach ($this->info['audio'] as $key => $value) { |
|
|
1543 |
if ($key != 'streams') { |
|
|
1544 |
$this->info['audio']['streams'][0][$key] = $value; |
|
|
1545 |
} |
|
|
1546 |
} |
|
|
1547 |
} |
|
|
1548 |
} |
|
|
1549 |
return true; |
|
|
1550 |
} |
|
|
1551 |
|
|
|
1552 |
public function getid3_tempnam() { |
|
|
1553 |
return tempnam($this->tempdir, 'gI3'); |
|
|
1554 |
} |
|
|
1555 |
|
|
|
1556 |
public function include_module($name) { |
|
|
1557 |
//if (!file_exists($this->include_path.'module.'.$name.'.php')) { |
|
|
1558 |
if (!file_exists(GETID3_INCLUDEPATH.'module.'.$name.'.php')) { |
|
|
1559 |
throw new getid3_exception('Required module.'.$name.'.php is missing.'); |
|
|
1560 |
} |
|
|
1561 |
include_once(GETID3_INCLUDEPATH.'module.'.$name.'.php'); |
|
|
1562 |
return true; |
|
|
1563 |
} |
|
|
1564 |
|
|
|
1565 |
} |
|
|
1566 |
|
|
|
1567 |
|
|
|
1568 |
abstract class getid3_handler |
|
|
1569 |
{ |
|
|
1570 |
protected $getid3; // pointer |
|
|
1571 |
|
|
|
1572 |
protected $data_string_flag = false; // analyzing filepointer or string |
|
|
1573 |
protected $data_string = ''; // string to analyze |
|
|
1574 |
protected $data_string_position = 0; // seek position in string |
|
|
1575 |
protected $data_string_length = 0; // string length |
|
|
1576 |
|
|
|
1577 |
private $dependency_to = null; |
|
|
1578 |
|
|
|
1579 |
|
|
|
1580 |
public function __construct(getID3 $getid3, $call_module=null) { |
|
|
1581 |
$this->getid3 = $getid3; |
|
|
1582 |
|
|
|
1583 |
if ($call_module) { |
|
|
1584 |
$this->dependency_to = str_replace('getid3_', '', $call_module); |
|
|
1585 |
} |
|
|
1586 |
} |
|
|
1587 |
|
|
|
1588 |
|
|
|
1589 |
// Analyze from file pointer |
|
|
1590 |
abstract public function Analyze(); |
|
|
1591 |
|
|
|
1592 |
|
|
|
1593 |
// Analyze from string instead |
|
|
1594 |
public function AnalyzeString($string) { |
|
|
1595 |
// Enter string mode |
|
|
1596 |
$this->setStringMode($string); |
|
|
1597 |
|
|
|
1598 |
// Save info |
|
|
1599 |
$saved_avdataoffset = $this->getid3->info['avdataoffset']; |
|
|
1600 |
$saved_avdataend = $this->getid3->info['avdataend']; |
|
|
1601 |
$saved_filesize = (isset($this->getid3->info['filesize']) ? $this->getid3->info['filesize'] : null); // may be not set if called as dependency without openfile() call |
|
|
1602 |
|
|
|
1603 |
// Reset some info |
|
|
1604 |
$this->getid3->info['avdataoffset'] = 0; |
|
|
1605 |
$this->getid3->info['avdataend'] = $this->getid3->info['filesize'] = $this->data_string_length; |
|
|
1606 |
|
|
|
1607 |
// Analyze |
|
|
1608 |
$this->Analyze(); |
|
|
1609 |
|
|
|
1610 |
// Restore some info |
|
|
1611 |
$this->getid3->info['avdataoffset'] = $saved_avdataoffset; |
|
|
1612 |
$this->getid3->info['avdataend'] = $saved_avdataend; |
|
|
1613 |
$this->getid3->info['filesize'] = $saved_filesize; |
|
|
1614 |
|
|
|
1615 |
// Exit string mode |
|
|
1616 |
$this->data_string_flag = false; |
|
|
1617 |
} |
|
|
1618 |
|
|
|
1619 |
public function setStringMode($string) { |
|
|
1620 |
$this->data_string_flag = true; |
|
|
1621 |
$this->data_string = $string; |
|
|
1622 |
$this->data_string_length = strlen($string); |
|
|
1623 |
} |
|
|
1624 |
|
|
|
1625 |
protected function ftell() { |
|
|
1626 |
if ($this->data_string_flag) { |
|
|
1627 |
return $this->data_string_position; |
|
|
1628 |
} |
|
|
1629 |
return ftell($this->getid3->fp); |
|
|
1630 |
} |
|
|
1631 |
|
|
|
1632 |
protected function fread($bytes) { |
|
|
1633 |
if ($this->data_string_flag) { |
|
|
1634 |
$this->data_string_position += $bytes; |
|
|
1635 |
return substr($this->data_string, $this->data_string_position - $bytes, $bytes); |
|
|
1636 |
} |
|
|
1637 |
$pos = $this->ftell() + $bytes; |
|
|
1638 |
if (!getid3_lib::intValueSupported($pos)) { |
|
|
1639 |
throw new getid3_exception('cannot fread('.$bytes.' from '.$this->ftell().') because beyond PHP filesystem limit', 10); |
|
|
1640 |
} |
|
|
1641 |
return fread($this->getid3->fp, $bytes); |
|
|
1642 |
} |
|
|
1643 |
|
|
|
1644 |
protected function fseek($bytes, $whence=SEEK_SET) { |
|
|
1645 |
if ($this->data_string_flag) { |
|
|
1646 |
switch ($whence) { |
|
|
1647 |
case SEEK_SET: |
|
|
1648 |
$this->data_string_position = $bytes; |
|
|
1649 |
break; |
|
|
1650 |
|
|
|
1651 |
case SEEK_CUR: |
|
|
1652 |
$this->data_string_position += $bytes; |
|
|
1653 |
break; |
|
|
1654 |
|
|
|
1655 |
case SEEK_END: |
|
|
1656 |
$this->data_string_position = $this->data_string_length + $bytes; |
|
|
1657 |
break; |
|
|
1658 |
} |
|
|
1659 |
return 0; |
|
|
1660 |
} else { |
|
|
1661 |
$pos = $bytes; |
|
|
1662 |
if ($whence == SEEK_CUR) { |
|
|
1663 |
$pos = $this->ftell() + $bytes; |
|
|
1664 |
} elseif ($whence == SEEK_END) { |
|
|
1665 |
$pos = $this->info['filesize'] + $bytes; |
|
|
1666 |
} |
|
|
1667 |
if (!getid3_lib::intValueSupported($pos)) { |
|
|
1668 |
throw new getid3_exception('cannot fseek('.$pos.') because beyond PHP filesystem limit', 10); |
|
|
1669 |
} |
|
|
1670 |
} |
|
|
1671 |
return fseek($this->getid3->fp, $bytes, $whence); |
|
|
1672 |
} |
|
|
1673 |
|
|
|
1674 |
protected function feof() { |
|
|
1675 |
if ($this->data_string_flag) { |
|
|
1676 |
return $this->data_string_position >= $this->data_string_length; |
|
|
1677 |
} |
|
|
1678 |
return feof($this->getid3->fp); |
|
|
1679 |
} |
|
|
1680 |
|
|
|
1681 |
final protected function isDependencyFor($module) { |
|
|
1682 |
return $this->dependency_to == $module; |
|
|
1683 |
} |
|
|
1684 |
|
|
|
1685 |
protected function error($text) |
|
|
1686 |
{ |
|
|
1687 |
$this->getid3->info['error'][] = $text; |
|
|
1688 |
|
|
|
1689 |
return false; |
|
|
1690 |
} |
|
|
1691 |
|
|
|
1692 |
protected function warning($text) |
|
|
1693 |
{ |
|
|
1694 |
return $this->getid3->warning($text); |
|
|
1695 |
} |
|
|
1696 |
|
|
|
1697 |
protected function notice($text) |
|
|
1698 |
{ |
|
|
1699 |
// does nothing for now |
|
|
1700 |
} |
|
|
1701 |
|
|
|
1702 |
public function saveAttachment($name, $offset, $length, $image_mime=null) { |
|
|
1703 |
try { |
|
|
1704 |
|
|
|
1705 |
// do not extract at all |
|
|
1706 |
if ($this->getid3->option_save_attachments === getID3::ATTACHMENTS_NONE) { |
|
|
1707 |
|
|
|
1708 |
$attachment = null; // do not set any |
|
|
1709 |
|
|
|
1710 |
// extract to return array |
|
|
1711 |
} elseif ($this->getid3->option_save_attachments === getID3::ATTACHMENTS_INLINE) { |
|
|
1712 |
|
|
|
1713 |
$this->fseek($offset); |
|
|
1714 |
$attachment = $this->fread($length); // get whole data in one pass, till it is anyway stored in memory |
|
|
1715 |
if ($attachment === false || strlen($attachment) != $length) { |
|
|
1716 |
throw new Exception('failed to read attachment data'); |
|
|
1717 |
} |
|
|
1718 |
|
|
|
1719 |
// assume directory path is given |
|
|
1720 |
} else { |
|
|
1721 |
|
|
|
1722 |
// set up destination path |
|
|
1723 |
$dir = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->getid3->option_save_attachments), DIRECTORY_SEPARATOR); |
|
|
1724 |
if (!is_dir($dir) || !is_writable($dir)) { // check supplied directory |
|
|
1725 |
throw new Exception('supplied path ('.$dir.') does not exist, or is not writable'); |
|
|
1726 |
} |
|
|
1727 |
$dest = $dir.DIRECTORY_SEPARATOR.$name.($image_mime ? '.'.getid3_lib::ImageExtFromMime($image_mime) : ''); |
|
|
1728 |
|
|
|
1729 |
// create dest file |
|
|
1730 |
if (($fp_dest = fopen($dest, 'wb')) == false) { |
|
|
1731 |
throw new Exception('failed to create file '.$dest); |
|
|
1732 |
} |
|
|
1733 |
|
|
|
1734 |
// copy data |
|
|
1735 |
$this->fseek($offset); |
|
|
1736 |
$buffersize = ($this->data_string_flag ? $length : $this->getid3->fread_buffer_size()); |
|
|
1737 |
$bytesleft = $length; |
|
|
1738 |
while ($bytesleft > 0) { |
|
|
1739 |
if (($buffer = $this->fread(min($buffersize, $bytesleft))) === false || ($byteswritten = fwrite($fp_dest, $buffer)) === false || ($byteswritten === 0)) { |
|
|
1740 |
throw new Exception($buffer === false ? 'not enough data to read' : 'failed to write to destination file, may be not enough disk space'); |
|
|
1741 |
} |
|
|
1742 |
$bytesleft -= $byteswritten; |
|
|
1743 |
} |
|
|
1744 |
|
|
|
1745 |
fclose($fp_dest); |
|
|
1746 |
$attachment = $dest; |
|
|
1747 |
|
|
|
1748 |
} |
|
|
1749 |
|
|
|
1750 |
} catch (Exception $e) { |
|
|
1751 |
|
|
|
1752 |
// close and remove dest file if created |
|
|
1753 |
if (isset($fp_dest) && is_resource($fp_dest)) { |
|
|
1754 |
fclose($fp_dest); |
|
|
1755 |
unlink($dest); |
|
|
1756 |
} |
|
|
1757 |
|
|
|
1758 |
// do not set any is case of error |
|
|
1759 |
$attachment = null; |
|
|
1760 |
$this->warning('Failed to extract attachment '.$name.': '.$e->getMessage()); |
|
|
1761 |
|
|
|
1762 |
} |
|
|
1763 |
|
|
|
1764 |
// seek to the end of attachment |
|
|
1765 |
$this->fseek($offset + $length); |
|
|
1766 |
|
|
|
1767 |
return $attachment; |
|
|
1768 |
} |
|
|
1769 |
|
|
|
1770 |
} |
|
|
1771 |
|
|
|
1772 |
|
|
|
1773 |
class getid3_exception extends Exception |
|
|
1774 |
{ |
|
|
1775 |
public $message; |
|
|
1776 |
} |