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getid3.php
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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 //
// also https://github.com/JamesHeinrich/getID3 //
/////////////////////////////////////////////////////////////////
// //
// 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);
}
// Workaround Bug #39923 (https://bugs.php.net/bug.php?id=39923)
if (!defined('IMG_JPG') && defined('IMAGETYPE_JPEG')) {
define('IMG_JPG', IMAGETYPE_JPEG);
}
// 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')) { // sys_get_temp_dir added in 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); // see https://github.com/JamesHeinrich/getID3/pull/10
$open_basedir = ini_get('open_basedir');
if ($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
if (!defined('GETID3_TEMP_DIR')) {
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;
public $memory_limit = 0;
// Protected variables
protected $startup_error = '';
protected $startup_warning = '';
const VERSION = '1.9.9-20150318';
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 = '5.3.0';
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;
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, $filesize=null) {
try {
if (!empty($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 > 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('#(.+)'.preg_quote(DIRECTORY_SEPARATOR).'{2,}#U', '\1'.DIRECTORY_SEPARATOR, $filename);
// open local file
//if (is_readable($filename) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { // see http://www.getid3.org/phpBB3/viewtopic.php?t=1720
if ((is_readable($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'];
// 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, $filesize=null, $original_filename='') {
try {
if (!$this->openfile($filename, $filesize)) {
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 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',
),
// 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',
),
// 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',