ILIAS  Release_4_2_x_branch Revision 61807
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Public Member Functions | Data Fields
getID3 Class Reference
+ Inheritance diagram for getID3:
+ Collaboration diagram for getID3:

Public Member Functions

 getID3 ()
 setOption ($optArray)
 analyze ($filename)
 error ($message)
 warning ($message)
 CleanUp ()
 GetFileFormatArray ()
 GetFileFormat (&$filedata, $filename='')
 CharConvert (&$array, $encoding)
 HandleAllTags ()
 getHashdata ($algorithm)
 ChannelsBitratePlaytimeCalculations ()
 CalculateCompressionRatioVideo ()
 CalculateCompressionRatioAudio ()
 CalculateReplayGain ()
 ProcessAudioStreams ()
 getid3_tempnam ()

Data Fields

 $encoding = 'ISO-8859-1'
 $encoding_id3v1 = 'ISO-8859-1'
 $tempdir = '*'
 $option_tag_id3v1 = true
 $option_tag_id3v2 = true
 $option_tag_lyrics3 = true
 $option_tag_apetag = true
 $option_tags_process = true
 $option_tags_html = true
 $option_extra_info = true
 $option_md5_data = false
 $option_md5_data_source = false
 $option_sha1_data = false
 $option_max_2gb_check = true
 $filename

Detailed Description

Definition at line 18 of file getid3.php.

Member Function Documentation

getID3::analyze (   $filename)

Reimplemented in getID3_cached_dbm, and getID3_cached_mysql.

Definition at line 168 of file getid3.php.

References $encoding, $filename, getid3_lib\BigEndian2Int(), CalculateCompressionRatioAudio(), CalculateCompressionRatioVideo(), CalculateReplayGain(), ChannelsBitratePlaytimeCalculations(), CleanUp(), error(), GetFileFormat(), getHashdata(), GETID3_VERSION, HandleAllTags(), getid3_lib\IncludeDependency(), ProcessAudioStreams(), and warning().

Referenced by getid3_write_apetag\DeleteAPEtag(), getid3_write_lyrics3\DeleteLyrics3(), getid3_write_id3v1\FixID3v1Padding(), getid3_write_id3v2\RemoveID3v2(), getid3_write_real\RemoveReal(), getid3_write_apetag\WriteAPEtag(), getid3_write_id3v2\WriteID3v2(), and getid3_write_real\WriteReal().

{
if (!empty($this->startup_error)) {
return $this->error($this->startup_error);
}
if (!empty($this->startup_warning)) {
$this->warning($this->startup_warning);
}
// init result array and set parameters
$this->info = array();
$this->info['GETID3_VERSION'] = GETID3_VERSION;
// Check encoding/iconv support
if (!function_exists('iconv') && !in_array($this->encoding, array('ISO-8859-1', 'UTF-8', 'UTF-16LE', 'UTF-16BE', 'UTF-16'))) {
$errormessage = 'iconv() support is needed 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);
}
// Disable magic_quotes_runtime, if neccesary
$old_magic_quotes_runtime = get_magic_quotes_runtime(); // store current setting of magic_quotes_runtime
if ($old_magic_quotes_runtime) {
set_magic_quotes_runtime(0); // turn off magic_quotes_runtime
if (get_magic_quotes_runtime()) {
return $this->error('Could not disable magic_quotes_runtime - getID3() cannot work properly with this setting enabled');
}
}
// remote files not supported
if (preg_match('/^(ht|f)tp:\/\//', $filename)) {
return $this->error('Remote files are not supported in this version of getID3() - please copy the file locally first');
}
// open local file
if (!$fp = @fopen($filename, 'rb')) {
return $this->error('Could not open file "'.$filename.'"');
}
// set parameters
$this->info['filesize'] = filesize($filename);
// option_max_2gb_check
if ($this->option_max_2gb_check) {
// PHP doesn't support integers larger than 31-bit (~2GB)
// filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize
// ftell() returns 0 if seeking to the end is beyond the range of unsigned integer
fseek($fp, 0, SEEK_END);
if ((($this->info['filesize'] != 0) && (ftell($fp) == 0)) ||
($this->info['filesize'] < 0) ||
(ftell($fp) < 0)) {
unset($this->info['filesize']);
fclose($fp);
return $this->error('File is most likely larger than 2GB and is not 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
// 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'];
// handle ID3v2 tag - done first - already at beginning of file
// ID3v2 detection (even if not parsing) is always done otherwise fileformat is much harder to detect
if ($this->option_tag_id3v2) {
$GETID3_ERRORARRAY = &$this->info['warning'];
if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, false)) {
$tag = new getid3_id3v2($fp, $this->info);
}
} else {
fseek($fp, 0, SEEK_SET);
$header = fread($fp, 10);
if (substr($header, 0, 3) == 'ID3') {
$this->info['id3v2']['header'] = true;
$this->info['id3v2']['majorversion'] = ord($header{3});
$this->info['id3v2']['minorversion'] = ord($header{4});
$this->info['id3v2']['headerlength'] = getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length
$this->info['id3v2']['tag_offset_start'] = 0;
$this->info['id3v2']['tag_offset_end'] = $this->info['id3v2']['tag_offset_start'] + $this->info['id3v2']['headerlength'];
$this->info['avdataoffset'] = $this->info['id3v2']['tag_offset_end'];
}
}
// handle ID3v1 tag
if ($this->option_tag_id3v1) {
if (!@include_once(GETID3_INCLUDEPATH.'module.tag.id3v1.php')) {
return $this->error('module.tag.id3v1.php is missing - you may disable option_tag_id3v1.');
}
$tag = new getid3_id3v1($fp, $this->info);
}
// handle APE tag
if ($this->option_tag_apetag) {
if (!@include_once(GETID3_INCLUDEPATH.'module.tag.apetag.php')) {
return $this->error('module.tag.apetag.php is missing - you may disable option_tag_apetag.');
}
$tag = new getid3_apetag($fp, $this->info);
}
// handle lyrics3 tag
if ($this->option_tag_lyrics3) {
if (!@include_once(GETID3_INCLUDEPATH.'module.tag.lyrics3.php')) {
return $this->error('module.tag.lyrics3.php is missing - you may disable option_tag_lyrics3.');
}
$tag = new getid3_lyrics3($fp, $this->info);
}
// read 32 kb file data
fseek($fp, $this->info['avdataoffset'], SEEK_SET);
$formattest = fread($fp, 32774);
// determine format
$determined_format = $this->GetFileFormat($formattest, $filename);
// unable to determine file format
if (!$determined_format) {
fclose($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($fp);
return $this->error('ID3 tags not allowed on this file type.');
} elseif ($determined_format['fail_id3'] === 'WARNING') {
$this->info['warning'][] = 'ID3 tags not allowed on this file type.';
}
}
// check for illegal APE tags
if (isset($determined_format['fail_ape']) && in_array('ape', $this->info['tags'])) {
if ($determined_format['fail_ape'] === 'ERROR') {
fclose($fp);
return $this->error('APE tags not allowed on this file type.');
} elseif ($determined_format['fail_ape'] === 'WARNING') {
$this->info['warning'][] = 'APE tags not allowed on this file type.';
}
}
// set mime type
$this->info['mime_type'] = $determined_format['mime_type'];
// supported format signature pattern detected, but module deleted
if (!file_exists(GETID3_INCLUDEPATH.$determined_format['include'])) {
fclose($fp);
return $this->error('Format not supported, module, '.$determined_format['include'].', was removed.');
}
// module requires iconv support
if (!function_exists('iconv') && @$determined_format['iconv_req']) {
return $this->error('iconv support is required for this module ('.$determined_format['include'].').');
}
// include module
include_once(GETID3_INCLUDEPATH.$determined_format['include']);
// instantiate module class
$class_name = 'getid3_'.$determined_format['module'];
if (!class_exists($class_name)) {
return $this->error('Format not supported, module, '.$determined_format['include'].', is corrupt.');
}
if (isset($determined_format['option'])) {
$class = new $class_name($fp, $this->info, $determined_format['option']);
} else {
$class = new $class_name($fp, $this->info);
}
// close file
fclose($fp);
// process all tags - copy to 'tags' and convert charsets
if ($this->option_tags_process) {
$this->HandleAllTags();
}
// perform more calculations
if ($this->option_extra_info) {
$this->ChannelsBitratePlaytimeCalculations();
$this->CalculateCompressionRatioVideo();
$this->CalculateCompressionRatioAudio();
$this->CalculateReplayGain();
$this->ProcessAudioStreams();
}
// get the MD5 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags
if ($this->option_md5_data) {
// do not cald md5_data if md5_data_source is present - set by flac only - future MPC/SV8 too
if (!$this->option_md5_data_source || empty($this->info['md5_data_source'])) {
$this->getHashdata('md5');
}
}
// get the SHA1 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags
if ($this->option_sha1_data) {
$this->getHashdata('sha1');
}
// remove undesired keys
$this->CleanUp();
// restore magic_quotes_runtime setting
set_magic_quotes_runtime($old_magic_quotes_runtime);
// return info array
return $this->info;
}

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getID3::CalculateCompressionRatioAudio ( )

Definition at line 1249 of file getid3.php.

Referenced by analyze().

{
if (empty($this->info['audio']['bitrate']) || empty($this->info['audio']['channels']) || empty($this->info['audio']['sample_rate'])) {
return false;
}
$this->info['audio']['compression_ratio'] = $this->info['audio']['bitrate'] / ($this->info['audio']['channels'] * $this->info['audio']['sample_rate'] * (!empty($this->info['audio']['bits_per_sample']) ? $this->info['audio']['bits_per_sample'] : 16));
if (!empty($this->info['audio']['streams'])) {
foreach ($this->info['audio']['streams'] as $streamnumber => $streamdata) {
if (!empty($streamdata['bitrate']) && !empty($streamdata['channels']) && !empty($streamdata['sample_rate'])) {
$this->info['audio']['streams'][$streamnumber]['compression_ratio'] = $streamdata['bitrate'] / ($streamdata['channels'] * $streamdata['sample_rate'] * (!empty($streamdata['bits_per_sample']) ? $streamdata['bits_per_sample'] : 16));
}
}
}
return true;
}

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getID3::CalculateCompressionRatioVideo ( )

Definition at line 1201 of file getid3.php.

Referenced by analyze().

{
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;
}

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getID3::CalculateReplayGain ( )

Definition at line 1266 of file getid3.php.

References getid3_lib\RGADamplitude2dB().

Referenced by analyze().

{
if (isset($this->info['replay_gain'])) {
$this->info['replay_gain']['reference_volume'] = 89;
if (isset($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;
}

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getID3::ChannelsBitratePlaytimeCalculations ( )

Definition at line 1168 of file getid3.php.

References getid3_lib\PlaytimeString().

Referenced by analyze().

{
// set channelmode on audio
if (@$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']);
//}
if (!isset($this->info['playtime_seconds']) && !empty($this->info['bitrate'])) {
$this->info['playtime_seconds'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['bitrate'];
}
// Set playtime string
if (!empty($this->info['playtime_seconds']) && empty($this->info['playtime_string'])) {
$this->info['playtime_string'] = getid3_lib::PlaytimeString($this->info['playtime_seconds']);
}
}

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getID3::CharConvert ( &  $array,
  $encoding 
)

Definition at line 950 of file getid3.php.

References $encoding, and getid3_lib\iconv_fallback().

Referenced by HandleAllTags().

{
// 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));
}
}
}

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getID3::CleanUp ( )

Definition at line 418 of file getid3.php.

Referenced by analyze(), and error().

{
// remove possible empty keys
$AVpossibleEmptyKeys = array('dataformat', 'bits_per_sample', 'encoder_options', 'streams');
foreach ($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']);
}
}
}

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getID3::error (   $message)

Definition at line 401 of file getid3.php.

References CleanUp().

Referenced by analyze(), and getHashdata().

{
$this->CleanUp();
$this->info['error'][] = $message;
return $this->info;
}

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getID3::GetFileFormat ( &  $filedata,
  $filename = '' 
)

Definition at line 918 of file getid3.php.

References $filename, and GetFileFormatArray().

Referenced by analyze().

{
// 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 => $info) {
// Using preg_match() instead of ereg() - much faster
// The /s switch on preg_match() forces preg_match() NOT to treat
// newline (0x0A) characters as special chars but do a binary match
if (preg_match('/'.$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;
}
return false;
}

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getID3::GetFileFormatArray ( )

Definition at line 453 of file getid3.php.

Referenced by GetFileFormat().

{
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',
'option' => 'adif',
'mime_type' => 'application/octet-stream',
'fail_ape' => 'WARNING',
),
// AAC - audio - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3)
'adts' => array(
'pattern' => '^\xFF[\xF0-\xF1\xF8-\xF9]',
'group' => 'audio',
'module' => 'aac',
'option' => 'adts',
'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',
),
// 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',
),
// MOD - audio - MODule (assorted sub-formats)
'mod' => array(
'pattern' => '^.{1080}(M.K.|[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' => '^(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' => 'application/octet-stream',
),
// MP3 - audio - MPEG-audio Layer 3 (very similar to AAC-ADTS)
'mp3' => array(
'pattern' => '^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]',
'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' => 'application/octet-stream',
),
// 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',
),
// 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',
),
// TIFF - still image - Tagged Information File Format (TIFF)
'tiff' => array(
'pattern' => '^(II\x2A\x00|MM\x00\x2A)',
'group' => 'graphic',
'module' => 'tiff',
'mime_type' => 'image/tiff',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// Data formats
// ISO - data - International Standards Organization (ISO) CD-ROM Image
'iso' => array(
'pattern' => '^.{32769}CD001',
'group' => 'misc',
'module' => 'iso',
'mime_type' => 'application/octet-stream',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
'iconv_req' => false,
),
// RAR - data - RAR compressed data
'rar' => array(
'pattern' => '^Rar\!',
'group' => 'archive',
'module' => 'rar',
'mime_type' => 'application/octet-stream',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// SZIP - audio/data - SZIP compressed data
'szip' => array(
'pattern' => '^SZ\x0A\x04',
'group' => 'archive',
'module' => 'szip',
'mime_type' => 'application/octet-stream',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// TAR - data - TAR compressed data
'tar' => array(
'pattern' => '^.{100}[0-9\x20]{7}\x00[0-9\x20]{7}\x00[0-9\x20]{7}\x00[0-9\x20\x00]{12}[0-9\x20\x00]{12}',
'group' => 'archive',
'module' => 'tar',
'mime_type' => 'application/x-tar',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// GZIP - data - GZIP compressed data
'gz' => array(
'pattern' => '^\x1F\x8B\x08',
'group' => 'archive',
'module' => 'gzip',
'mime_type' => 'application/x-gzip',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// ZIP - data - ZIP compressed data
'zip' => array(
'pattern' => '^PK\x03\x04',
'group' => 'archive',
'module' => 'zip',
'mime_type' => 'application/zip',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// Misc other formats
// PDF - data - ZIP compressed data
'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', // D0CF11E == DOCFILE == Microsoft Office Document
'group' => 'misc',
'module' => 'msoffice',
'mime_type' => 'application/octet-stream',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
);
}
return $format_info;
}

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getID3::getHashdata (   $algorithm)

Definition at line 1043 of file getid3.php.

References $file, error(), getid3_lib\hash_data(), getid3_lib\md5_file(), and getid3_lib\sha1_file().

Referenced by analyze().

{
switch ($algorithm) {
case 'md5':
case 'sha1':
break;
default:
return $this->error('bad algorithm "'.$algorithm.'" in getHashdata()');
break;
}
if ((@$this->info['fileformat'] == 'ogg') && (@$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 ((bool) ini_get('safe_mode')) {
$this->info['warning'][] = 'Failed making system call to vorbiscomment.exe - '.$algorithm.'_data is incorrect - error returned: PHP running in Safe Mode (backtick operator not available)';
$this->info[$algorithm.'_data'] = false;
} else {
// Prevent user from aborting script
$old_abort = ignore_user_abort(true);
// Create empty file
$empty = tempnam('*', 'getID3');
touch($empty);
// Use vorbiscomment to make temp file without comments
$temp = tempnam('*', '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'] = getid3_lib::md5_file($temp);
break;
case 'sha1':
$this->info[$algorithm.'_data'] = getid3_lib::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'] = getid3_lib::md5_file($this->info['filenamepath']);
break;
case 'sha1':
$this->info[$algorithm.'_data'] = getid3_lib::sha1_file($this->info['filenamepath']);
break;
}
}
}
return true;
}

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getID3::getID3 ( )

Definition at line 50 of file getid3.php.

References warning().

Referenced by getID3_cached_dbm\getID3_cached_dbm(), and getID3_cached_mysql\getID3_cached_mysql().

{
$this->startup_error = '';
$this->startup_warning = '';
// Check for PHP version >= 4.1.0
if (phpversion() < '4.1.0') {
$this->startup_error .= 'getID3() requires PHP v4.1.0 or higher - you are running v'.phpversion();
}
// Check memory
$memory_limit = ini_get('memory_limit');
if (eregi('([0-9]+)M', $memory_limit, $matches)) {
// could be stored as "16M" rather than 16777216 for example
$memory_limit = $matches[1] * 1048576;
}
if ($memory_limit <= 0) {
// memory limits probably disabled
} elseif ($memory_limit <= 3145728) {
$this->startup_error .= 'PHP has less than 3MB available memory and will very likely run out. Increase memory_limit in php.ini';
} elseif ($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 ((bool) 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.');
}
// define a constant rather than looking up every time it is needed
if (!defined('GETID3_OS_ISWINDOWS')) {
if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
define('GETID3_OS_ISWINDOWS', true);
} else {
define('GETID3_OS_ISWINDOWS', false);
}
}
// Get base path of getID3() - ONCE
if (!defined('GETID3_INCLUDEPATH')) {
foreach (get_included_files() as $key => $val) {
if (basename($val) == 'getid3.php') {
define('GETID3_INCLUDEPATH', dirname($val).DIRECTORY_SEPARATOR);
break;
}
}
}
// Load support library
if (!include_once(GETID3_INCLUDEPATH.'getid3.lib.php')) {
$this->startup_error .= 'getid3.lib.php is missing or corrupt';
}
// 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
// IMPORTANT: This path cannot have spaces in it. If neccesary, use the 8dot3 equivalent
// ie for "C:/Program Files/Apache/" put "C:/PROGRA~1/APACHE/"
// 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)) {
$this->startup_error .= '"'.$helperappsdir.'" cannot be defined as GETID3_HELPERAPPSDIR because it does not exist';
} elseif (strpos(realpath($helperappsdir), ' ') !== false) {
$DirPieces = explode(DIRECTORY_SEPARATOR, realpath($helperappsdir));
$DirPieces8 = $DirPieces;
$CLIdir = $DirPieces[0].' && cd \\';
for ($i = 1; $i < count($DirPieces); $i++) {
if (strpos($DirPieces[$i], ' ') === false) {
$CLIdir .= ' && cd '.$DirPieces[$i];
} else {
ob_start();
system($CLIdir.' && dir /ad /x');
$subdirsraw = explode("\n", ob_get_contents());
ob_end_clean();
foreach ($subdirsraw as $dummy => $line) {
if (eregi('^[0-9]{4}/[0-9]{2}/[0-9]{2} [0-9]{2}:[0-9]{2} [AP]M <DIR> ([^ ]{8}) '.preg_quote($DirPieces[$i]).'$', trim($line), $matches)) {
$CLIdir .= ' && cd '.$matches[1];
break;
}
}
$DirPieces8[$i] = $matches[1];
}
}
$helperappsdir = implode(DIRECTORY_SEPARATOR, $DirPieces8);
}
define('GETID3_HELPERAPPSDIR', realpath($helperappsdir).DIRECTORY_SEPARATOR);
}
}

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getID3::getid3_tempnam ( )

Definition at line 1299 of file getid3.php.

{
return tempnam($this->tempdir, 'gI3');
}
getID3::HandleAllTags ( )

Definition at line 973 of file getid3.php.

References $encoding, CharConvert(), and getid3_lib\MultiByteCharString2HTML().

Referenced by analyze().

{
// 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' , 'ISO-8859-1'),
'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' , $this->encoding_id3v1),
'id3v2' => array('id3v2' , 'UTF-8'), // not according to the specs (every frame can have a different encoding), but getID3() force-converts all encodings to UTF-8
'ape' => array('ape' , 'UTF-8')
);
}
// loop thru comments array
foreach ($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 => $value) {
if (strlen(trim($value)) > 0) {
$this->info['tags'][trim($tag_name)][trim($tag_key)][] = $value; // do not trim!! Unicode characters will get mangled if trailing nulls are removed!
}
}
}
if (!isset($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('&#0;', '', 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!
}
}
return true;
}

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getID3::ProcessAudioStreams ( )

Definition at line 1286 of file getid3.php.

Referenced by analyze().

{
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;
}

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getID3::setOption (   $optArray)

Definition at line 153 of file getid3.php.

{
if (!is_array($optArray) || empty($optArray)) {
return false;
}
foreach ($optArray as $opt => $val) {
if (isset($this, $opt) === false) {
continue;
}
$this->$opt = $val;
}
return true;
}
getID3::warning (   $message)

Definition at line 411 of file getid3.php.

Referenced by analyze(), and getID3().

{
$this->info['warning'][] = $message;
return true;
}

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Field Documentation

getID3::$encoding = 'ISO-8859-1'

Definition at line 21 of file getid3.php.

Referenced by analyze(), CharConvert(), and HandleAllTags().

getID3::$encoding_id3v1 = 'ISO-8859-1'

Definition at line 24 of file getid3.php.

getID3::$filename

Definition at line 46 of file getid3.php.

Referenced by getID3_cached_mysql\analyze(), analyze(), getID3_cached_dbm\analyze(), and GetFileFormat().

getID3::$option_extra_info = true

Definition at line 37 of file getid3.php.

getID3::$option_max_2gb_check = true

Definition at line 43 of file getid3.php.

getID3::$option_md5_data = false

Definition at line 40 of file getid3.php.

getID3::$option_md5_data_source = false

Definition at line 41 of file getid3.php.

getID3::$option_sha1_data = false

Definition at line 42 of file getid3.php.

getID3::$option_tag_apetag = true

Definition at line 32 of file getid3.php.

getID3::$option_tag_id3v1 = true

Definition at line 29 of file getid3.php.

getID3::$option_tag_id3v2 = true

Definition at line 30 of file getid3.php.

getID3::$option_tag_lyrics3 = true

Definition at line 31 of file getid3.php.

getID3::$option_tags_html = true

Definition at line 34 of file getid3.php.

getID3::$option_tags_process = true

Definition at line 33 of file getid3.php.

getID3::$tempdir = '*'

Definition at line 26 of file getid3.php.

The documentation for this class was generated from the following file: