Syntax Syntax
Source Source
File: wp-includes/ID3/getid3.php
class getID3 { /* * Settings */ /** * CASE SENSITIVE! - i.e. (must be supported by iconv()). Examples: ISO-8859-1 UTF-8 UTF-16 UTF-16BE * * @var string */ public $encoding = 'UTF-8'; /** * Should always be 'ISO-8859-1', but some tags may be written in other encodings such as 'EUC-CN' or 'CP1252' * * @var string */ public $encoding_id3v1 = 'ISO-8859-1'; /** * ID3v1 should always be 'ISO-8859-1', but some tags may be written in other encodings such as 'Windows-1251' or 'KOI8-R'. If true attempt to detect these encodings, but may return incorrect values for some tags actually in ISO-8859-1 encoding * * @var bool */ public $encoding_id3v1_autodetect = false; /* * Optional tag checks - disable for speed. */ /** * Read and process ID3v1 tags * * @var bool */ public $option_tag_id3v1 = true; /** * Read and process ID3v2 tags * * @var bool */ public $option_tag_id3v2 = true; /** * Read and process Lyrics3 tags * * @var bool */ public $option_tag_lyrics3 = true; /** * Read and process APE tags * * @var bool */ public $option_tag_apetag = true; /** * Copy tags to root key 'tags' and encode to $this->encoding * * @var bool */ public $option_tags_process = true; /** * Copy tags to root key 'tags_html' properly translated from various encodings to HTML entities * * @var bool */ public $option_tags_html = true; /* * Optional tag/comment calculations */ /** * Calculate additional info such as bitrate, channelmode etc * * @var bool */ public $option_extra_info = true; /* * Optional handling of embedded attachments (e.g. images) */ /** * Defaults to true (ATTACHMENTS_INLINE) for backward compatibility * * @var bool|string */ public $option_save_attachments = true; /* * Optional calculations */ /** * Get MD5 sum of data part - slow * * @var bool */ public $option_md5_data = false; /** * Use MD5 of source file if availble - only FLAC and OptimFROG * * @var bool */ public $option_md5_data_source = false; /** * Get SHA1 sum of data part - slow * * @var bool */ public $option_sha1_data = false; /** * Check whether file is larger than 2GB and thus not supported by 32-bit PHP (null: auto-detect based on * PHP_INT_MAX) * * @var bool|null */ public $option_max_2gb_check; /** * Read buffer size in bytes * * @var int */ public $option_fread_buffer_size = 32768; // Public variables /** * Filename of file being analysed. * * @var string */ public $filename; /** * Filepointer to file being analysed. * * @var resource */ public $fp; /** * Result array. * * @var array */ public $info; /** * @var string */ public $tempdir = GETID3_TEMP_DIR; /** * @var int */ public $memory_limit = 0; /** * @var string */ protected $startup_error = ''; /** * @var string */ protected $startup_warning = ''; const VERSION = '1.9.20-202006061653'; const FREAD_BUFFER_SIZE = 32768; const ATTACHMENTS_NONE = false; const ATTACHMENTS_INLINE = true; public function __construct() { // Check for PHP version $required_php_version = '5.3.0'; 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."\n"; return; } // Check memory $memoryLimit = ini_get('memory_limit'); if (preg_match('#([0-9]+) ?M#i', $memoryLimit, $matches)) { // could be stored as "16M" rather than 16777216 for example $memoryLimit = $matches[1] * 1048576; } elseif (preg_match('#([0-9]+) ?G#i', $memoryLimit, $matches)) { // The 'G' modifier is available since PHP 5.1.0 // could be stored as "2G" rather than 2147483648 for example $memoryLimit = $matches[1] * 1073741824; } $this->memory_limit = $memoryLimit; if ($this->memory_limit <= 0) { // memory limits probably disabled } elseif ($this->memory_limit <= 4194304) { $this->startup_error .= 'PHP has less than 4MB available memory and will very likely run out. Increase memory_limit in php.ini'."\n"; } elseif ($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'."\n"; } // Check safe_mode off if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) { // phpcs:ignore PHPCompatibility.IniDirectives.RemovedIniDirectives.safe_modeDeprecatedRemoved $this->warning('WARNING: Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbos/flac tag writing disabled.'); } // phpcs:ignore PHPCompatibility.IniDirectives.RemovedIniDirectives.mbstring_func_overloadDeprecated if (($mbstring_func_overload = (int) ini_get('mbstring.func_overload')) && ($mbstring_func_overload & 0x02)) { // http://php.net/manual/en/mbstring.overload.php // "mbstring.func_overload in php.ini is a positive value that represents a combination of bitmasks specifying the categories of functions to be overloaded. It should be set to 1 to overload the mail() function. 2 for string functions, 4 for regular expression functions" // getID3 cannot run when string functions are overloaded. It doesn't matter if mail() or ereg* functions are overloaded since getID3 does not use those. // phpcs:ignore PHPCompatibility.IniDirectives.RemovedIniDirectives.mbstring_func_overloadDeprecated $this->startup_error .= 'WARNING: php.ini contains "mbstring.func_overload = '.ini_get('mbstring.func_overload').'", getID3 cannot run with this setting (bitmask 2 (string functions) cannot be set). Recommended to disable entirely.'."\n"; } // check for magic quotes in PHP < 7.4.0 (when these functions became deprecated) if (version_compare(PHP_VERSION, '7.4.0', '<')) { // Check for magic_quotes_runtime if (function_exists('get_magic_quotes_runtime')) { // phpcs:ignore PHPCompatibility.FunctionUse.RemovedFunctions.get_magic_quotes_runtimeDeprecated if (get_magic_quotes_runtime()) { $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).'."\n"; } } // Check for magic_quotes_gpc if (function_exists('get_magic_quotes_gpc')) { // phpcs:ignore PHPCompatibility.FunctionUse.RemovedFunctions.get_magic_quotes_gpcDeprecated if (get_magic_quotes_gpc()) { $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).'."\n"; } } } // Load support library if (!include_once(GETID3_INCLUDEPATH.'getid3.lib.php')) { $this->startup_error .= 'getid3.lib.php is missing or corrupt'."\n"; } if ($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, 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'."\n"; } 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.'."\n"; } } $path_so_far[] = $value; } $helperappsdir = implode(DIRECTORY_SEPARATOR, $path_so_far); } define('GETID3_HELPERAPPSDIR', $helperappsdir.DIRECTORY_SEPARATOR); } if (!empty($this->startup_error)) { echo $this->startup_error; throw new getid3_exception($this->startup_error); } } /** * @return string */ public function version() { return self::VERSION; } /** * @return int */ public function fread_buffer_size() { return $this->option_fread_buffer_size; } /** * @param array $optArray * * @return bool */ public function setOption($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; } /** * @param string $filename * @param int $filesize * @param resource $fp * * @return bool * * @throws getid3_exception */ public function openfile($filename, $filesize=null, $fp=null) { try { if (!empty($this->startup_error)) { throw new getid3_exception($this->startup_error); } if (!empty($this->startup_warning)) { foreach (explode("\n", $this->startup_warning) as $startup_warning) { $this->warning($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 > 0) ? $this->memory_limit : false); // 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('#(?<!gs:)('.preg_quote(DIRECTORY_SEPARATOR).'{2,})#', DIRECTORY_SEPARATOR, $filename); // open local file //if (is_readable($filename) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { // see https://www.getid3.org/phpBB3/viewtopic.php?t=1720 if (($fp != null) && ((get_resource_type($fp) == 'file') || (get_resource_type($fp) == 'stream'))) { $this->fp = $fp; } elseif ((is_readable($filename) || file_exists($filename)) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { // great } else { $errormessagelist = array(); if (!is_readable($filename)) { $errormessagelist[] = '!is_readable'; } if (!is_file($filename)) { $errormessagelist[] = '!is_file'; } if (!file_exists($filename)) { $errormessagelist[] = '!file_exists'; } if (empty($errormessagelist)) { $errormessagelist[] = 'fopen failed'; } throw new getid3_exception('Could not open "'.$filename.'" ('.implode('; ', $errormessagelist).')'); } $this->info['filesize'] = (!is_null($filesize) ? $filesize : filesize($filename)); // set redundant parameters - might be needed in some include file // filenames / filepaths in getID3 are always expressed with forward slashes (unix-style) for both Windows and other to try and minimize confusion $filename = str_replace('\\', '/', $filename); $this->info['filepath'] = str_replace('\\', '/', realpath(dirname($filename))); $this->info['filename'] = getid3_lib::mb_basename($filename); $this->info['filenamepath'] = $this->info['filepath'].'/'.$this->info['filename']; // 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'] = $this->encoding; // required by id3v2 and iso modules - can be unset at the end if desired // option_max_2gb_check if ($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 / 1073741824, 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 / 1073741824, 3).'GB) and is not properly supported by PHP.'); } } return true; } catch (Exception $e) { $this->error($e->getMessage()); } return false; } /** * analyze file * * @param string $filename * @param int $filesize * @param string $original_filename * @param resource $fp * * @return array */ public function analyze($filename, $filesize=null, $original_filename='', $fp=null) { try { if (!$this->openfile($filename, $filesize, $fp)) { 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); $header = fread($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']); $formattest = fread($this->fp, 32774); // determine format $determined_format = $this->GetFileFormat($formattest, ($original_filename ? $original_filename : $filename)); // unable to determine file format if (!$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 mb_convert_encoding/iconv support // Check encoding/iconv support if (!empty($determined_format['iconv_req']) && !function_exists('mb_convert_encoding') && !function_exists('iconv') && !in_array($this->encoding, array('ISO-8859-1', 'UTF-8', 'UTF-16LE', 'UTF-16BE', 'UTF-16'))) { $errormessage = 'mb_convert_encoding() or iconv() support is required for this module ('.$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 mb_convert_encoding() or iconv() support. Please enable php_mbstring.dll / php_iconv.dll in php.ini, and copy php_mbstring.dll / iconv.dll from c:/php/dlls to c:/windows/system32'; } else { $errormessage .= 'PHP is not compiled with mb_convert_encoding() or iconv() support. Please recompile with the --enable-mbstring / --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; } /** * Error handling. * * @param string $message * * @return array */ public function error($message) { $this->CleanUp(); if (!isset($this->info['error'])) { $this->info['error'] = array(); } $this->info['error'][] = $message; return $this->info; } /** * Warning handling. * * @param string $message * * @return bool */ public function warning($message) { $this->info['warning'][] = $message; return true; } /** * @return bool */ 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. * * @return array */ 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' => 'audio/aac', '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' => 'audio/aac', 'fail_ape' => 'WARNING', ), // AU - audio - NeXT/Sun AUdio (AU) 'au' => array( 'pattern' => '^\\.snd', 'group' => 'audio', 'module' => 'au', 'mime_type' => 'audio/basic', ), // AMR - audio - Adaptive Multi Rate 'amr' => array( 'pattern' => '^\\x23\\x21AMR\\x0A', // #!AMR[0A] 'group' => 'audio', 'module' => 'amr', 'mime_type' => 'audio/amr', ), // 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', ), // DSF - audio - Direct Stream Digital (DSD) Storage Facility files (DSF) - https://en.wikipedia.org/wiki/Direct_Stream_Digital 'dsf' => array( 'pattern' => '^DSD ', // including trailing space: 44 53 44 20 'group' => 'audio', 'module' => 'dsf', 'mime_type' => 'audio/dsd', ), // DSS - audio - Digital Speech Standard 'dss' => array( 'pattern' => '^[\\x02-\\x08]ds[s2]', 'group' => 'audio', 'module' => 'dss', 'mime_type' => 'application/octet-stream', ), // DSDIFF - audio - Direct Stream Digital Interchange File Format 'dsdiff' => array( 'pattern' => '^FRM8', 'group' => 'audio', 'module' => 'dsdiff', 'mime_type' => 'audio/dsd', ), // 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/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' => 'audio/x-monkeys-audio', ), // 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-\\x37][\\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', ), // TAK - audio - Tom's lossless Audio Kompressor 'tak' => array( 'pattern' => '^tBaK', 'group' => 'audio', 'module' => 'tak', 'mime_type' => 'application/octet-stream', ), // 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', ), // IVF - audio/video - IVF 'ivf' => array( 'pattern' => '^DKIF', 'group' => 'audio-video', 'module' => 'ivf', 'mime_type' => 'video/x-ivf', ), // 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[\\xB3\\xBA]', '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/wav', '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', ), // WTV - audio/video - Windows Recorded TV Show 'wtv' => array( 'pattern' => '^\\xB7\\xD8\\x00\\x20\\x37\\x49\\xDA\\x11\\xA6\\x4E\\x00\\x07\\xE9\\x5E\\xAD\\x8D', 'group' => 'audio-video', 'module' => 'wtv', 'mime_type' => 'video/x-ms-wtv', ), // 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, ), // HPK - data - HPK compressed data 'hpk' => array( 'pattern' => '^BPUL', 'group' => 'archive', 'module' => 'hpk', 'mime_type' => 'application/octet-stream', 'fail_id3' => 'ERROR', 'fail_ape' => 'ERROR', ), // RAR - data - RAR compressed data 'rar' => array( 'pattern' => '^Rar\\!', 'group' => 'archive', 'module' => 'rar', 'mime_type' => 'application/vnd.rar', '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/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', ), // XZ - data - XZ compressed data 'xz' => array( 'pattern' => '^\\xFD7zXZ\\x00', 'group' => 'archive', 'module' => 'xz', 'mime_type' => 'application/x-xz', '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; } /** * @param string $filedata * @param string $filename * * @return mixed|false */ public function GetFileFormat(&$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 garbage 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. * * @param array $array * @param string $encoding */ public function CharConvert(&$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)); } } } /** * @return bool */ 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' , $this->encoding_id3v1), 'id3v2' => array('id3v2' , 'UTF-8'), // not according to the specs (every frame can have a different encoding), but getID3() force-converts all encodings to UTF-8 'ape' => array('ape' , 'UTF-8'), 'cue' => array('cue' , 'ISO-8859-1'), 'matroska' => array('matroska' , 'UTF-8'), 'flac' => array('vorbiscomment' , 'UTF-8'), 'divxtag' => array('divx' , 'ISO-8859-1'), 'iptc' => array('iptc' , 'ISO-8859-1'), 'dsdiff' => array('dsdiff' , 'ISO-8859-1'), ); } // loop through comments array foreach ($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) { if (!is_numeric($key)) { $this->info['tags'][trim($tag_name)][trim($tag_key)][$key] = $value; } else { $this->info['tags'][trim($tag_name)][trim($tag_key)][] = $value; } } } if ($tag_key == 'picture') { // 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 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; } $this->CharConvert($this->info['tags'][$tag_name], $this->info[$comment_name]['encoding']); // only copy gets converted! if ($this->option_tags_html) { foreach ($this->info['tags'][$tag_name] as $tag_key => $valuearray) { if ($tag_key == 'picture') { // Do not to try to convert binary picture data to HTML // https://github.com/JamesHeinrich/getID3/issues/178 continue; } $this->info['tags_html'][$tag_name][$tag_key] = getid3_lib::recursiveMultiByteCharString2HTML($valuearray, $this->info[$comment_name]['encoding']); } } } } // 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; } /** * Calls getid3_lib::CopyTagsToComments() but passes in the option_tags_html setting from this instance of getID3 * * @param array $ThisFileInfo * * @return bool */ public function CopyTagsToComments(&$ThisFileInfo) { return getid3_lib::CopyTagsToComments($ThisFileInfo, $this->option_tags_html); } /** * @param string $algorithm * * @return array|bool */ public function getHashdata($algorithm) { switch ($algorithm) { case 'md5': case 'sha1': break; default: return $this->error('bad algorithm "'.$algorithm.'" in getHashdata()'); } 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. // phpcs:ignore PHPCompatibility.IniDirectives.RemovedIniDirectives.safe_modeDeprecatedRemoved 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 { $commandline = 'vorbiscomment -w -c '.escapeshellarg($empty).' '.escapeshellarg($file).' '.escapeshellarg($temp).' 2>&1'; $VorbisCommentError = `$commandline`; } if (!empty($VorbisCommentError)) { $this->warning('Failed making system call to vorbiscomment(.exe) - '.$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']); } } /** * @return bool */ 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 / $BitrateUncompressed; return true; } /** * @return bool */ public function CalculateCompressionRatioAudio() { if (empty($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']) ? $streamdata['bits_per_sample'] : 16)); } } } return true; } /** * @return bool */ public function CalculateReplayGain() { if (isset($this->info['replay_gain'])) { if (!isset($this->info['replay_gain']['reference_volume'])) { $this->info['replay_gain']['reference_volume'] = 89.0; } if (isset($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'])) {