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Файловый менеджер - Редактировать - /home/www/hallgroupsolutions.com/wordpress/wp-includes/ID3/getid3.php

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<?php ///////////////////////////////////////////////////////////////// /// getID3() by James Heinrich <info@getid3.org> // // available at http://getid3.sourceforge.net // // or http://www.getid3.org // ///////////////////////////////////////////////////////////////// // // // Please see readme.txt for more information // // /// ///////////////////////////////////////////////////////////////// // define a constant rather than looking up every time it is needed if (!defined('GETID3_OS_ISWINDOWS')) { define('GETID3_OS_ISWINDOWS', (stripos(PHP_OS, 'WIN') === 0)); } // Get base path of getID3() - ONCE if (!defined('GETID3_INCLUDEPATH')) { define('GETID3_INCLUDEPATH', dirname(__FILE__).DIRECTORY_SEPARATOR); } // attempt to define temp dir as something flexible but reliable $temp_dir = ini_get('upload_tmp_dir'); if ($temp_dir && (!is_dir($temp_dir) \|\| !is_readable($temp_dir))) { $temp_dir = ''; } if (!$temp_dir && function_exists('sys_get_temp_dir')) { // PHP v5.2.1+ // sys_get_temp_dir() may give inaccessible temp dir, e.g. with open_basedir on virtual hosts $temp_dir = sys_get_temp_dir(); } $temp_dir = realpath($temp_dir); $open_basedir = ini_get('open_basedir'); if ($open_basedir) { // e.g. "/var/www/vhosts/getid3.org/httpdocs/:/tmp/" $temp_dir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $temp_dir); $open_basedir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $open_basedir); if (substr($temp_dir, -1, 1) != DIRECTORY_SEPARATOR) { $temp_dir .= DIRECTORY_SEPARATOR; } $found_valid_tempdir = false; $open_basedirs = explode(PATH_SEPARATOR, $open_basedir); foreach ($open_basedirs as $basedir) { if (substr($basedir, -1, 1) != DIRECTORY_SEPARATOR) { $basedir .= DIRECTORY_SEPARATOR; } if (preg_match('#^'.preg_quote($basedir).'#', $temp_dir)) { $found_valid_tempdir = true; break; } } if (!$found_valid_tempdir) { $temp_dir = ''; } unset($open_basedirs, $found_valid_tempdir, $basedir); } if (!$temp_dir) { $temp_dir = ''; // invalid directory name should force tempnam() to use system default temp dir } // $temp_dir = '/something/else/'; // feel free to override temp dir here if it works better for your system define('GETID3_TEMP_DIR', $temp_dir); unset($open_basedir, $temp_dir); // End: Defines class getID3 { // public: Settings public $encoding = 'UTF-8'; // CASE SENSITIVE! - i.e. (must be supported by iconv()). Examples: ISO-8859-1 UTF-8 UTF-16 UTF-16BE 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' // public: Optional tag checks - disable for speed. public $option_tag_id3v1 = true; // Read and process ID3v1 tags public $option_tag_id3v2 = true; // Read and process ID3v2 tags public $option_tag_lyrics3 = true; // Read and process Lyrics3 tags public $option_tag_apetag = true; // Read and process APE tags public $option_tags_process = true; // Copy tags to root key 'tags' and encode to $this->encoding public $option_tags_html = true; // Copy tags to root key 'tags_html' properly translated from various encodings to HTML entities // public: Optional tag/comment calucations public $option_extra_info = true; // Calculate additional info such as bitrate, channelmode etc // public: Optional handling of embedded attachments (e.g. images) public $option_save_attachments = true; // defaults to true (ATTACHMENTS_INLINE) for backward compatibility // public: Optional calculations public $option_md5_data = false; // Get MD5 sum of data part - slow public $option_md5_data_source = false; // Use MD5 of source file if availble - only FLAC and OptimFROG public $option_sha1_data = false; // Get SHA1 sum of data part - slow 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) // public: Read buffer size in bytes public $option_fread_buffer_size = 32768; // Public variables public $filename; // Filename of file being analysed. public $fp; // Filepointer to file being analysed. public $info; // Result array. public $tempdir = GETID3_TEMP_DIR; // Protected variables protected $startup_error = ''; protected $startup_warning = ''; protected $memory_limit = 0; const VERSION = '1.9.7-20130705'; const FREAD_BUFFER_SIZE = 32768; const ATTACHMENTS_NONE = false; const ATTACHMENTS_INLINE = true; // public: constructor public function __construct() { // Check for PHP version $required_php_version = '5.0.5'; if (version_compare(PHP_VERSION, $required_php_version, '<')) { $this->startup_error .= 'getID3() requires PHP v'.$required_php_version.' or higher - you are running v'.PHP_VERSION; return false; } // Check memory $this->memory_limit = ini_get('memory_limit'); if (preg_match('#([0-9]+)M#i', $this->memory_limit, $matches)) { // could be stored as "16M" rather than 16777216 for example $this->memory_limit = $matches[1] 1048576; } elseif (preg_match('#([0-9]+)G#i', $this->memory_limit, $matches)) { // The 'G' modifier is available since PHP 5.1.0 // could be stored as "2G" rather than 2147483648 for example $this->memory_limit = $matches[1] * 1073741824; } if ($this->memory_limit <= 0) { // memory limits probably disabled } elseif ($this->memory_limit <= 4194304) { $this->startup_error .= 'PHP has less than 4MB available memory and will very likely run out. Increase memory_limit in php.ini'; } elseif ($this->memory_limit <= 12582912) { $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'; } // Check safe_mode off if (preg_match('#(1\|ON)#i', ini_get('safe_mode'))) { $this->warning('WARNING: Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbos/flac tag writing disabled.'); } if (intval(ini_get('mbstring.func_overload')) > 0) { $this->warning('WARNING: php.ini contains "mbstring.func_overload = '.ini_get('mbstring.func_overload').'", this may break things.'); } // Check for magic_quotes_runtime if (function_exists('get_magic_quotes_runtime')) { if (get_magic_quotes_runtime()) { 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).'); } } // Check for magic_quotes_gpc if (function_exists('magic_quotes_gpc')) { if (get_magic_quotes_gpc()) { 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).'); } } // Load support library if (!include_once(GETID3_INCLUDEPATH.'getid3.lib.php')) { $this->startup_error .= 'getid3.lib.php is missing or corrupt'; } if ($this->option_max_2gb_check === null) { $this->option_max_2gb_check = (PHP_INT_MAX <= 2147483647); } // Needed for Windows only: // Define locations of helper applications for Shorten, VorbisComment, MetaFLAC // as well as other helper functions such as head, tail, md5sum, etc // This path cannot contain spaces, but the below code will attempt to get the // 8.3-equivalent path automatically // IMPORTANT: This path must include the trailing slash if (GETID3_OS_ISWINDOWS && !defined('GETID3_HELPERAPPSDIR')) { $helperappsdir = GETID3_INCLUDEPATH.'..'.DIRECTORY_SEPARATOR.'helperapps'; // must not have any space in this path if (!is_dir($helperappsdir)) { $this->startup_warning .= '"'.$helperappsdir.'" cannot be defined as GETID3_HELPERAPPSDIR because it does not exist'; } elseif (strpos(realpath($helperappsdir), ' ') !== false) { $DirPieces = explode(DIRECTORY_SEPARATOR, realpath($helperappsdir)); $path_so_far = array(); foreach ($DirPieces as $key => $value) { if (strpos($value, ' ') !== false) { if (!empty($path_so_far)) { $commandline = 'dir /x '.escapeshellarg(implode(DIRECTORY_SEPARATOR, $path_so_far)); $dir_listing = `$commandline`; $lines = explode("\n", $dir_listing); foreach ($lines as $line) { $line = trim($line); if (preg_match('#^([0-9/]{10}) +([0-9:]{4,5}( [AP]M)?) +(<DIR>\|[0-9,]+) +([^ ]{0,11}) +(.+)$#', $line, $matches)) { list($dummy, $date, $time, $ampm, $filesize, $shortname, $filename) = $matches; if ((strtoupper($filesize) == '<DIR>') && (strtolower($filename) == strtolower($value))) { $value = $shortname; } } } } else { $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.'; } } $path_so_far[] = $value; } $helperappsdir = implode(DIRECTORY_SEPARATOR, $path_so_far); } define('GETID3_HELPERAPPSDIR', $helperappsdir.DIRECTORY_SEPARATOR); } return true; } public function version() { return self::VERSION; } public function fread_buffer_size() { return $this->option_fread_buffer_size; } // public: setOption public function setOption($optArray) { if (!is_array($optArray) \|\| empty($optArray)) { return false; } foreach ($optArray as $opt => $val) { if (isset($this->$opt) === false) { continue; } $this->$opt = $val; } return true; } public function openfile($filename) { try { if (!empty($this->startup_error)) { throw new getid3_exception($this->startup_error); } if (!empty($this->startup_warning)) { $this->warning($this->startup_warning); } // init result array and set parameters $this->filename = $filename; $this->info = array(); $this->info['GETID3_VERSION'] = $this->version(); $this->info['php_memory_limit'] = $this->memory_limit; // remote files not supported if (preg_match('/^(ht\|f)tp:\/\//', $filename)) { throw new getid3_exception('Remote files are not supported - please copy the file locally first'); } $filename = str_replace('/', DIRECTORY_SEPARATOR, $filename); $filename = preg_replace('#(.+)'.preg_quote(DIRECTORY_SEPARATOR).'{2,}#U', '\1'.DIRECTORY_SEPARATOR, $filename); // open local file if (is_readable($filename) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { // great } else { throw new getid3_exception('Could not open "'.$filename.'" (does not exist, or is not a file)'); } $this->info['filesize'] = filesize($filename); // set redundant parameters - might be needed in some include file $this->info['filename'] = basename($filename); $this->info['filepath'] = str_replace('\\', '/', realpath(dirname($filename))); $this->info['filenamepath'] = $this->info['filepath'].'/'.$this->info['filename']; // option_max_2gb_check if ($this->option_max_2gb_check) { // PHP (32-bit all, and 64-bit Windows) doesn't support integers larger than 2^31 (~2GB) // filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize // ftell() returns 0 if seeking to the end is beyond the range of unsigned integer $fseek = fseek($this->fp, 0, SEEK_END); if (($fseek < 0) \|\| (($this->info['filesize'] != 0) && (ftell($this->fp) == 0)) \|\| ($this->info['filesize'] < 0) \|\| (ftell($this->fp) < 0)) { $real_filesize = getid3_lib::getFileSizeSyscall($this->info['filenamepath']); if ($real_filesize === false) { unset($this->info['filesize']); fclose($this->fp); throw new getid3_exception('Unable to determine actual filesize. File is most likely larger than '.round(PHP_INT_MAX / 1073741824).'GB and is not supported by PHP.'); } elseif (getid3_lib::intValueSupported($real_filesize)) { unset($this->info['filesize']); fclose($this->fp); 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'); } $this->info['filesize'] = $real_filesize; $this->warning('File is larger than '.round(PHP_INT_MAX / 1073741824).'GB (filesystem reports it as '.number_format($real_filesize, 3).'GB) and is not properly supported by PHP.'); } } // 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 return true; } catch (Exception $e) { $this->error($e->getMessage()); } return false; } // public: analyze file public function analyze($filename) { try { if (!$this->openfile($filename)) { return $this->info; } // 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') { $this->warning('ID3 tags not allowed on this file type.'); } } // check for illegal APE tags if (isset($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->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.'); } $class = new $class_name($this); $class->Analyze(); unset($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 calc 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) { $this->error('Caught exception: '.$e->getMessage()); } // return info array return $this->info; } // private: error handling public function error($message) { $this->CleanUp(); if (!isset($this->info['error'])) { $this->info['error'] = array(); } $this->info['error'][] = $message; return $this->info; } // private: warning handling public function warning($message) { $this->info['warning'][] = $message; return true; } // private: CleanUp private 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 public 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 'aa' => 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]ds[s2]', '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', ), // 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 ), // 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', ), // 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', ), // TS - audio/video - MPEG-2 Transport Stream 'ts' => array( 'pattern' => '^(\x47.{187}){10,}', // packets are 188 bytes long and start with 0x47 "G". Check for at least 10 packets matching this pattern 'group' => 'audio-video', 'module' => 'ts', 'mime_type' => 'video/MP2T', ), // 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', ), // EFAX - still image - eFax (TIFF derivative) 'efax' => array( 'pattern' => '^\xDC\xFE', 'group' => 'graphic', 'module' => 'efax', 'mime_type' => 'image/efax', '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 $format_info; } public function GetFileFormat(&$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 $this->encoding public function CharConvert(&$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)); } } } public 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' , $this->encoding_id3v1), 'id3v2' => array('id3v2' , 'UTF-8'), // not according to the specs (every frame can have a different encoding), but getID3() force-converts all encodings to UTF-8 'ape' => array('ape' , 'UTF-8'), 'cue' => array('cue' , 'ISO-8859-1'), 'matroska' => array('matroska' , 'UTF-8'), 'flac' => array('vorbiscomment' , 'UTF-8'), 'divxtag' => array('divx' , 'ISO-8859-1'), ); } // loop through comments array foreach ($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)][] = $value; } } if ($tag_key == 'picture') { unset($this->info[$comment_name]['comments'][$tag_key]); } } if (!isset($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[$tagtype]); } } } return true; } public function getHashdata($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'))) { $this->warning('Failed making system call to vorbiscomment.exe - '.$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($this->info['filenamepath']); break; } } } return true; } public function ChannelsBitratePlaytimeCalculations() { // set channelmode on audio if (!empty($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']); } } public 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 / $BitrateUncompressed; return true; } public function CalculateCompressionRatioAudio() { if (empty($this->info['audio']['bitrate']) \|\| empty($this->info['audio']['channels']) \|\| empty($this->info['audio']['sample_rate']) \|\| !is_numeric($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']) ? $streamdata['bits_per_sample'] : 16)); } } } return true; } public function CalculateReplayGain() { if (isset($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; } public 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] = $value; } } } } return true; } public function getid3_tempnam() { return tempnam($this->tempdir, 'gI3'); } 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 protected $data_string_length = 0; // string length private $dependency_to = null; public function __construct(getID3 $getid3, $call_module=null) { $this->getid3 = $getid3; if ($call_module) { $this->dependency_to = str_replace('getid3_', '', $call_module); } } // Analyze from file pointer abstract public function Analyze(); // Analyze from string instead public function AnalyzeString($string) { // Enter string mode $this->setStringMode($string); // Save info $saved_avdataoffset = $this->getid3->info['avdataoffset']; $saved_avdataend = $this->getid3->info['avdataend']; $saved_filesize = (isset($this->getid3->info['filesize']) ? $this->getid3->info['filesize'] : null); // may be not set if called as dependency without openfile() call // Reset some info $this->getid3->info['avdataoffset'] = 0; $this->getid3->info['avdataend'] = $this->getid3->info['filesize'] = $this->data_string_length; // 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 $this->data_string_flag = false; } public function setStringMode($string) { $this->data_string_flag = true; $this->data_string = $string; $this->data_string_length = strlen($string); } 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); } $pos = $this->ftell() + $bytes; if (!getid3_lib::intValueSupported($pos)) { throw new getid3_exception('cannot fread('.$bytes.' from '.$this->ftell().') because beyond PHP filesystem limit', 10); } 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; break; case SEEK_CUR: $this->data_string_position += $bytes; break; case SEEK_END: $this->data_string_position = $this->data_string_length + $bytes; break; } return 0; } else { $pos = $bytes; if ($whence == SEEK_CUR) { $pos = $this->ftell() + $bytes; } elseif ($whence == SEEK_END) { $pos = $this->info['filesize'] + $bytes; } if (!getid3_lib::intValueSupported($pos)) { throw new getid3_exception('cannot fseek('.$pos.') because beyond PHP filesystem limit', 10); } } return fseek($this->getid3->fp, $bytes, $whence); } protected function feof() { if ($this->data_string_flag) { return $this->data_string_position >= $this->data_string_length; } return feof($this->getid3->fp); } final protected function isDependencyFor($module) { return $this->dependency_to == $module; } protected function error($text) { $this->getid3->info['error'][] = $text; return false; } protected function warning($text) { return $this->getid3->warning($text); } protected function notice($text) { // does nothing for now } public function saveAttachment($name, $offset, $length, $image_mime=null) { try { // do not extract at all if ($this->getid3->option_save_attachments === getID3::ATTACHMENTS_NONE) { $attachment = null; // do not set any // extract to return array } elseif ($this->getid3->option_save_attachments === getID3::ATTACHMENTS_INLINE) { $this->fseek($offset); $attachment = $this->fread($length); // get whole data in one pass, till it is anyway stored in memory if ($attachment === false \|\| strlen($attachment) != $length) { throw new Exception('failed to read attachment data'); } // assume directory path is given } else { // set up destination path $dir = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->getid3->option_save_attachments), DIRECTORY_SEPARATOR); if (!is_dir($dir) \|\| !is_writable($dir)) { // check supplied directory throw new Exception('supplied path ('.$dir.') does not exist, or is not writable'); } $dest = $dir.DIRECTORY_SEPARATOR.$name.($image_mime ? '.'.getid3_lib::ImageExtFromMime($image_mime) : ''); // create dest file if (($fp_dest = fopen($dest, 'wb')) == false) { throw new Exception('failed to create file '.$dest); } // copy data $this->fseek($offset); $buffersize = ($this->data_string_flag ? $length : $this->getid3->fread_buffer_size()); $bytesleft = $length; while ($bytesleft > 0) { if (($buffer = $this->fread(min($buffersize, $bytesleft))) === false \|\| ($byteswritten = fwrite($fp_dest, $buffer)) === false \|\| ($byteswritten === 0)) { throw new Exception($buffer === false ? 'not enough data to read' : 'failed to write to destination file, may be not enough disk space'); } $bytesleft -= $byteswritten; } fclose($fp_dest); $attachment = $dest; } } catch (Exception $e) { // close and remove dest file if created if (isset($fp_dest) && is_resource($fp_dest)) { fclose($fp_dest); unlink($dest); } // do not set any is case of error $attachment = null; $this->warning('Failed to extract attachment '.$name.': '.$e->getMessage()); } // seek to the end of attachment $this->fseek($offset + $length); return $attachment; } } class getid3_exception extends Exception { public $message; }

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