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<?php
if (!defined('GETID3_INCLUDEPATH')) {
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v1.php', __FILE__, true);
class getid3_id3v2 extends getid3_handler
{
public $StartingOffset = 0;
public function Analyze() {
$info = &$this->getid3->info;
$info['id3v2']['header'] = true;
$thisfile_id3v2 = &$info['id3v2'];
$thisfile_id3v2['flags'] = array();
$thisfile_id3v2_flags = &$thisfile_id3v2['flags'];
$this->fseek($this->StartingOffset);
$header = $this->fread(10);
if (substr($header, 0, 3) == 'ID3' && strlen($header) == 10) {
$thisfile_id3v2['majorversion'] = ord($header[3]);
$thisfile_id3v2['minorversion'] = ord($header[4]);
$id3v2_majorversion = &$thisfile_id3v2['majorversion'];
} else {
unset($info['id3v2']);
return false;
}
if ($id3v2_majorversion > 4) {
$this->error('this script only parses up to ID3v2.4.x - this tag is ID3v2.'.$id3v2_majorversion.'.'.$thisfile_id3v2['minorversion']);
return false;
}
$id3_flags = ord($header[5]);
switch ($id3v2_majorversion) {
case 2:
$thisfile_id3v2_flags['unsynch'] = (bool) ($id3_flags & 0x80);
$thisfile_id3v2_flags['compression'] = (bool) ($id3_flags & 0x40);
break;
case 3:
$thisfile_id3v2_flags['unsynch'] = (bool) ($id3_flags & 0x80);
$thisfile_id3v2_flags['exthead'] = (bool) ($id3_flags & 0x40);
$thisfile_id3v2_flags['experim'] = (bool) ($id3_flags & 0x20);
break;
case 4:
$thisfile_id3v2_flags['unsynch'] = (bool) ($id3_flags & 0x80);
$thisfile_id3v2_flags['exthead'] = (bool) ($id3_flags & 0x40);
$thisfile_id3v2_flags['experim'] = (bool) ($id3_flags & 0x20);
$thisfile_id3v2_flags['isfooter'] = (bool) ($id3_flags & 0x10);
break;
}
$thisfile_id3v2['headerlength'] = getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10;
$thisfile_id3v2['tag_offset_start'] = $this->StartingOffset;
$thisfile_id3v2['tag_offset_end'] = $thisfile_id3v2['tag_offset_start'] + $thisfile_id3v2['headerlength'];
$thisfile_id3v2['encoding'] = 'UTF-8';
$sizeofframes = $thisfile_id3v2['headerlength'] - 10;
if (!empty($thisfile_id3v2['exthead']['length'])) {
$sizeofframes -= ($thisfile_id3v2['exthead']['length'] + 4);
}
if (!empty($thisfile_id3v2_flags['isfooter'])) {
$sizeofframes -= 10;
}
if ($sizeofframes > 0) {
$framedata = $this->fread($sizeofframes);
if (!empty($thisfile_id3v2_flags['unsynch']) && ($id3v2_majorversion <= 3)) {
$framedata = $this->DeUnsynchronise($framedata);
}
$framedataoffset = 10;
if (!empty($thisfile_id3v2_flags['exthead'])) {
$extended_header_offset = 0;
if ($id3v2_majorversion == 3) {
$thisfile_id3v2['exthead']['length'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 4), 0);
$extended_header_offset += 4;
$thisfile_id3v2['exthead']['flag_bytes'] = 2;
$thisfile_id3v2['exthead']['flag_raw'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, $thisfile_id3v2['exthead']['flag_bytes']));
$extended_header_offset += $thisfile_id3v2['exthead']['flag_bytes'];
$thisfile_id3v2['exthead']['flags']['crc'] = (bool) ($thisfile_id3v2['exthead']['flag_raw'] & 0x8000);
$thisfile_id3v2['exthead']['padding_size'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 4));
$extended_header_offset += 4;
if ($thisfile_id3v2['exthead']['flags']['crc']) {
$thisfile_id3v2['exthead']['flag_data']['crc'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 4));
$extended_header_offset += 4;
}
$extended_header_offset += $thisfile_id3v2['exthead']['padding_size'];
} elseif ($id3v2_majorversion == 4) {
$thisfile_id3v2['exthead']['length'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 4), true);
$extended_header_offset += 4;
$thisfile_id3v2['exthead']['flag_bytes'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1));
$extended_header_offset += 1;
$thisfile_id3v2['exthead']['flag_raw'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, $thisfile_id3v2['exthead']['flag_bytes']));
$extended_header_offset += $thisfile_id3v2['exthead']['flag_bytes'];
$thisfile_id3v2['exthead']['flags']['update'] = (bool) ($thisfile_id3v2['exthead']['flag_raw'] & 0x40);
$thisfile_id3v2['exthead']['flags']['crc'] = (bool) ($thisfile_id3v2['exthead']['flag_raw'] & 0x20);
$thisfile_id3v2['exthead']['flags']['restrictions'] = (bool) ($thisfile_id3v2['exthead']['flag_raw'] & 0x10);
if ($thisfile_id3v2['exthead']['flags']['update']) {
$ext_header_chunk_length = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1));
$extended_header_offset += 1;
}
if ($thisfile_id3v2['exthead']['flags']['crc']) {
$ext_header_chunk_length = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1));
$extended_header_offset += 1;
$thisfile_id3v2['exthead']['flag_data']['crc'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, $ext_header_chunk_length), true, false);
$extended_header_offset += $ext_header_chunk_length;
}
if ($thisfile_id3v2['exthead']['flags']['restrictions']) {
$ext_header_chunk_length = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1));
$extended_header_offset += 1;
$restrictions_raw = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1));
$extended_header_offset += 1;
$thisfile_id3v2['exthead']['flags']['restrictions']['tagsize'] = ($restrictions_raw & 0xC0) >> 6;
$thisfile_id3v2['exthead']['flags']['restrictions']['textenc'] = ($restrictions_raw & 0x20) >> 5;
$thisfile_id3v2['exthead']['flags']['restrictions']['textsize'] = ($restrictions_raw & 0x18) >> 3;
$thisfile_id3v2['exthead']['flags']['restrictions']['imgenc'] = ($restrictions_raw & 0x04) >> 2;
$thisfile_id3v2['exthead']['flags']['restrictions']['imgsize'] = ($restrictions_raw & 0x03) >> 0;
$thisfile_id3v2['exthead']['flags']['restrictions_text']['tagsize'] = $this->LookupExtendedHeaderRestrictionsTagSizeLimits($thisfile_id3v2['exthead']['flags']['restrictions']['tagsize']);
$thisfile_id3v2['exthead']['flags']['restrictions_text']['textenc'] = $this->LookupExtendedHeaderRestrictionsTextEncodings($thisfile_id3v2['exthead']['flags']['restrictions']['textenc']);
$thisfile_id3v2['exthead']['flags']['restrictions_text']['textsize'] = $this->LookupExtendedHeaderRestrictionsTextFieldSize($thisfile_id3v2['exthead']['flags']['restrictions']['textsize']);
$thisfile_id3v2['exthead']['flags']['restrictions_text']['imgenc'] = $this->LookupExtendedHeaderRestrictionsImageEncoding($thisfile_id3v2['exthead']['flags']['restrictions']['imgenc']);
$thisfile_id3v2['exthead']['flags']['restrictions_text']['imgsize'] = $this->LookupExtendedHeaderRestrictionsImageSizeSize($thisfile_id3v2['exthead']['flags']['restrictions']['imgsize']);
}
if ($thisfile_id3v2['exthead']['length'] != $extended_header_offset) {
$this->warning('ID3v2.4 extended header length mismatch (expecting '.intval($thisfile_id3v2['exthead']['length']).', found '.intval($extended_header_offset).')');
}
}
$framedataoffset += $extended_header_offset;
$framedata = substr($framedata, $extended_header_offset);
}
while (isset($framedata) && (strlen($framedata) > 0)) {
if (strlen($framedata) <= $this->ID3v2HeaderLength($id3v2_majorversion)) {
$thisfile_id3v2['padding']['start'] = $framedataoffset;
$thisfile_id3v2['padding']['length'] = strlen($framedata);
$thisfile_id3v2['padding']['valid'] = true;
for ($i = 0; $i < $thisfile_id3v2['padding']['length']; $i++) {
if ($framedata[$i] != "\x00") {
$thisfile_id3v2['padding']['valid'] = false;
$thisfile_id3v2['padding']['errorpos'] = $thisfile_id3v2['padding']['start'] + $i;
$this->warning('Invalid ID3v2 padding found at offset '.$thisfile_id3v2['padding']['errorpos'].' (the remaining '.($thisfile_id3v2['padding']['length'] - $i).' bytes are considered invalid)');
break;
}
}
break;
}
$frame_header = null;
$frame_name = null;
$frame_size = null;
$frame_flags = null;
if ($id3v2_majorversion == 2) {
$frame_header = substr($framedata, 0, 6);
$framedata = substr($framedata, 6);
$frame_name = substr($frame_header, 0, 3);
$frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 3, 3), 0);
$frame_flags = 0;
} elseif ($id3v2_majorversion > 2) {
$frame_header = substr($framedata, 0, 10);
$framedata = substr($framedata, 10);
$frame_name = substr($frame_header, 0, 4);
if ($id3v2_majorversion == 3) {
$frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 4, 4), 0);
} else {
$frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 4, 4), 1);
}
if ($frame_size < (strlen($framedata) + 4)) {
$nextFrameID = substr($framedata, $frame_size, 4);
if ($this->IsValidID3v2FrameName($nextFrameID, $id3v2_majorversion)) {
} elseif (($frame_name == "\x00".'MP3') || ($frame_name == "\x00\x00".'MP') || ($frame_name == ' MP3') || ($frame_name == 'MP3e')) {
} elseif (($id3v2_majorversion == 4) && ($this->IsValidID3v2FrameName(substr($framedata, getid3_lib::BigEndian2Int(substr($frame_header, 4, 4), 0), 4), 3))) {
$this->warning('ID3v2 tag written as ID3v2.4, but with non-synchsafe integers (ID3v2.3 style). Older versions of (Helium2; iTunes) are known culprits of this. Tag has been parsed as ID3v2.3');
$id3v2_majorversion = 3;
$frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 4, 4), 0);
}
}
$frame_flags = getid3_lib::BigEndian2Int(substr($frame_header, 8, 2));
}
if ((($id3v2_majorversion == 2) && ($frame_name == "\x00\x00\x00")) || ($frame_name == "\x00\x00\x00\x00")) {
$thisfile_id3v2['padding']['start'] = $framedataoffset;
$thisfile_id3v2['padding']['length'] = strlen($frame_header) + strlen($framedata);
$thisfile_id3v2['padding']['valid'] = true;
$len = strlen($framedata);
for ($i = 0; $i < $len; $i++) {
if ($framedata[$i] != "\x00") {
$thisfile_id3v2['padding']['valid'] = false;
$thisfile_id3v2['padding']['errorpos'] = $thisfile_id3v2['padding']['start'] + $i;
$this->warning('Invalid ID3v2 padding found at offset '.$thisfile_id3v2['padding']['errorpos'].' (the remaining '.($thisfile_id3v2['padding']['length'] - $i).' bytes are considered invalid)');
break;
}
}
break;
}
if ($iTunesBrokenFrameNameFixed = self::ID3v22iTunesBrokenFrameName($frame_name)) {
$this->warning('error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag). (ERROR: IsValidID3v2FrameName("'.str_replace("\x00", ' ', $frame_name).'", '.$id3v2_majorversion.'))). [Note: this particular error has been known to happen with tags edited by iTunes (versions "X v2.0.3", "v3.0.1", "v7.0.0.70" are known-guilty, probably others too)]. Translated frame name from "'.str_replace("\x00", ' ', $frame_name).'" to "'.$iTunesBrokenFrameNameFixed.'" for parsing.');
$frame_name = $iTunesBrokenFrameNameFixed;
}
if (($frame_size <= strlen($framedata)) && ($this->IsValidID3v2FrameName($frame_name, $id3v2_majorversion))) {
unset($parsedFrame);
$parsedFrame['frame_name'] = $frame_name;
$parsedFrame['frame_flags_raw'] = $frame_flags;
$parsedFrame['data'] = substr($framedata, 0, $frame_size);
$parsedFrame['datalength'] = getid3_lib::CastAsInt($frame_size);
$parsedFrame['dataoffset'] = $framedataoffset;
$this->ParseID3v2Frame($parsedFrame);
$thisfile_id3v2[$frame_name][] = $parsedFrame;
$framedata = substr($framedata, $frame_size);
} else {
if ($frame_size <= strlen($framedata)) {
if ($this->IsValidID3v2FrameName(substr($framedata, $frame_size, 4), $id3v2_majorversion)) {
$framedata = substr($framedata, $frame_size);
$this->warning('Next ID3v2 frame is valid, skipping current frame.');
} else {
$framedata = null;
$this->error('Next ID3v2 frame is also invalid, aborting processing.');
}
} elseif ($frame_size == strlen($framedata)) {
$this->warning('This was the last ID3v2 frame.');
} else {
$framedata = null;
$this->warning('Invalid ID3v2 frame size, aborting.');
}
if (!$this->IsValidID3v2FrameName($frame_name, $id3v2_majorversion)) {
switch ($frame_name) {
case "\x00\x00".'MP':
case "\x00".'MP3':
case ' MP3':
case 'MP3e':
case "\x00".'MP':
case ' MP':
case 'MP3':
$this->warning('error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag). (ERROR: !IsValidID3v2FrameName("'.str_replace("\x00", ' ', $frame_name).'", '.$id3v2_majorversion.'))). [Note: this particular error has been known to happen with tags edited by "MP3ext (www.mutschler.de/mp3ext/)"]');
break;
default:
$this->warning('error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag). (ERROR: !IsValidID3v2FrameName("'.str_replace("\x00", ' ', $frame_name).'", '.$id3v2_majorversion.'))).');
break;
}
} elseif (!isset($framedata) || ($frame_size > strlen($framedata))) {
$this->error('error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag). (ERROR: $frame_size ('.$frame_size.') > strlen($framedata) ('.(isset($framedata) ? strlen($framedata) : 'null').')).');
} else {
$this->error('error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag).');
}
}
$framedataoffset += ($frame_size + $this->ID3v2HeaderLength($id3v2_majorversion));
}
}
if (isset($thisfile_id3v2_flags['isfooter']) && $thisfile_id3v2_flags['isfooter']) {
$footer = $this->fread(10);
if (substr($footer, 0, 3) == '3DI') {
$thisfile_id3v2['footer'] = true;
$thisfile_id3v2['majorversion_footer'] = ord($footer[3]);
$thisfile_id3v2['minorversion_footer'] = ord($footer[4]);
}
if ($thisfile_id3v2['majorversion_footer'] <= 4) {
$id3_flags = ord($footer[5]);
$thisfile_id3v2_flags['unsynch_footer'] = (bool) ($id3_flags & 0x80);
$thisfile_id3v2_flags['extfoot_footer'] = (bool) ($id3_flags & 0x40);
$thisfile_id3v2_flags['experim_footer'] = (bool) ($id3_flags & 0x20);
$thisfile_id3v2_flags['isfooter_footer'] = (bool) ($id3_flags & 0x10);
$thisfile_id3v2['footerlength'] = getid3_lib::BigEndian2Int(substr($footer, 6, 4), 1);
}
}
if (isset($thisfile_id3v2['comments']['genre'])) {
$genres = array();
foreach ($thisfile_id3v2['comments']['genre'] as $key => $value) {
foreach ($this->ParseID3v2GenreString($value) as $genre) {
$genres[] = $genre;
}
}
$thisfile_id3v2['comments']['genre'] = array_unique($genres);
unset($key, $value, $genres, $genre);
}
if (isset($thisfile_id3v2['comments']['track_number'])) {
foreach ($thisfile_id3v2['comments']['track_number'] as $key => $value) {
if (strstr($value, '/')) {
list($thisfile_id3v2['comments']['track_number'][$key], $thisfile_id3v2['comments']['totaltracks'][$key]) = explode('/', $thisfile_id3v2['comments']['track_number'][$key]);
}
}
}
if (!isset($thisfile_id3v2['comments']['year']) && !empty($thisfile_id3v2['comments']['recording_time'][0]) && preg_match('#^([0-9]{4})#', trim($thisfile_id3v2['comments']['recording_time'][0]), $matches)) {
$thisfile_id3v2['comments']['year'] = array($matches[1]);
}
if (!empty($thisfile_id3v2['TXXX'])) {
foreach ($thisfile_id3v2['TXXX'] as $txxx_array) {
switch ($txxx_array['description']) {
case 'replaygain_track_gain':
if (empty($info['replay_gain']['track']['adjustment']) && !empty($txxx_array['data'])) {
$info['replay_gain']['track']['adjustment'] = floatval(trim(str_replace('dB', '', $txxx_array['data'])));
}
break;
case 'replaygain_track_peak':
if (empty($info['replay_gain']['track']['peak']) && !empty($txxx_array['data'])) {
$info['replay_gain']['track']['peak'] = floatval($txxx_array['data']);
}
break;
case 'replaygain_album_gain':
if (empty($info['replay_gain']['album']['adjustment']) && !empty($txxx_array['data'])) {
$info['replay_gain']['album']['adjustment'] = floatval(trim(str_replace('dB', '', $txxx_array['data'])));
}
break;
}
}
}
$info['avdataoffset'] = $thisfile_id3v2['headerlength'];
if (isset($thisfile_id3v2['footer'])) {
$info['avdataoffset'] += 10;
}
return true;
}
public function ParseID3v2GenreString($genrestring) {
$clean_genres = array();
if (($this->getid3->info['id3v2']['majorversion'] == 3) && !preg_match('#[\x00]#', $genrestring)) {
if (strpos($genrestring, '/') !== false) {
$LegitimateSlashedGenreList = array(
'Pop/Funk',
'Cut-up/DJ',
'RnB/Swing',
'Funk / Soul',
);
$genrestring = str_replace('/', "\x00", $genrestring);
foreach ($LegitimateSlashedGenreList as $SlashedGenre) {
$genrestring = str_ireplace(str_replace('/', "\x00", $SlashedGenre), $SlashedGenre, $genrestring);
}
}
if (strpos($genrestring, ';') !== false) {
$genrestring = str_replace(';', "\x00", $genrestring);
}
}
if (strpos($genrestring, "\x00") === false) {
$genrestring = preg_replace('#\(([0-9]{1,3})\)#', '$1'."\x00", $genrestring);
}
$genre_elements = explode("\x00", $genrestring);
foreach ($genre_elements as $element) {
$element = trim($element);
if ($element) {
if (preg_match('#^[0-9]{1,3}$#', $element)) {
$clean_genres[] = getid3_id3v1::LookupGenreName($element);
} else {
$clean_genres[] = str_replace('((', '(', $element);
}
}
}
return $clean_genres;
}
public function ParseID3v2Frame(&$parsedFrame) {
$info = &$this->getid3->info;
$id3v2_majorversion = $info['id3v2']['majorversion'];
$parsedFrame['framenamelong'] = $this->FrameNameLongLookup($parsedFrame['frame_name']);
if (empty($parsedFrame['framenamelong'])) {
unset($parsedFrame['framenamelong']);
}
$parsedFrame['framenameshort'] = $this->FrameNameShortLookup($parsedFrame['frame_name']);
if (empty($parsedFrame['framenameshort'])) {
unset($parsedFrame['framenameshort']);
}
if ($id3v2_majorversion >= 3) {
if ($id3v2_majorversion == 3) {
$parsedFrame['flags']['TagAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x8000);
$parsedFrame['flags']['FileAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x4000);
$parsedFrame['flags']['ReadOnly'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x2000);
$parsedFrame['flags']['compression'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0080);
$parsedFrame['flags']['Encryption'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0040);
$parsedFrame['flags']['GroupingIdentity'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0020);
} elseif ($id3v2_majorversion == 4) {
$parsedFrame['flags']['TagAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x4000);
$parsedFrame['flags']['FileAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x2000);
$parsedFrame['flags']['ReadOnly'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x1000);
$parsedFrame['flags']['GroupingIdentity'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0040);
$parsedFrame['flags']['compression'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0008);
$parsedFrame['flags']['Encryption'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0004);
$parsedFrame['flags']['Unsynchronisation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0002);
$parsedFrame['flags']['DataLengthIndicator'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0001);
if ($parsedFrame['flags']['Unsynchronisation']) {
$parsedFrame['data'] = $this->DeUnsynchronise($parsedFrame['data']);
}
if ($parsedFrame['flags']['DataLengthIndicator']) {
$parsedFrame['data_length_indicator'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 0, 4), 1);
$parsedFrame['data'] = substr($parsedFrame['data'], 4);
}
}
if ($parsedFrame['flags']['compression']) {
$parsedFrame['decompressed_size'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 0, 4));
if (!function_exists('gzuncompress')) {
$this->warning('gzuncompress() support required to decompress ID3v2 frame "'.$parsedFrame['frame_name'].'"');
} else {
if ($decompresseddata = @gzuncompress(substr($parsedFrame['data'], 4))) {
$parsedFrame['data'] = $decompresseddata;
unset($decompresseddata);
} else {
$this->warning('gzuncompress() failed on compressed contents of ID3v2 frame "'.$parsedFrame['frame_name'].'"');
}
}
}
}
if (!empty($parsedFrame['flags']['DataLengthIndicator'])) {
if ($parsedFrame['data_length_indicator'] != strlen($parsedFrame['data'])) {
$this->warning('ID3v2 frame "'.$parsedFrame['frame_name'].'" should be '.$parsedFrame['data_length_indicator'].' bytes long according to DataLengthIndicator, but found '.strlen($parsedFrame['data']).' bytes of data');
}
}
if (isset($parsedFrame['datalength']) && ($parsedFrame['datalength'] == 0)) {
$warning = 'Frame "'.$parsedFrame['frame_name'].'" at offset '.$parsedFrame['dataoffset'].' has no data portion';
switch ($parsedFrame['frame_name']) {
case 'WCOM':
$warning .= ' (this is known to happen with files tagged by RioPort)';
break;
default:
break;
}
$this->warning($warning);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'UFID')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'UFI'))) {
$exploded = explode("\x00", $parsedFrame['data'], 2);
$parsedFrame['ownerid'] = (isset($exploded[0]) ? $exploded[0] : '');
$parsedFrame['data'] = (isset($exploded[1]) ? $exploded[1] : '');
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'TXXX')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'TXX'))) {
$frame_offset = 0;
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
$frame_textencoding_terminator = "\x00";
}
$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
$frame_terminatorpos++;
}
$parsedFrame['description'] = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$parsedFrame['description'] = $this->MakeUTF16emptyStringEmpty($parsedFrame['description']);
$parsedFrame['encodingid'] = $frame_textencoding;
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
$parsedFrame['description'] = trim(getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['description']));
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator));
$parsedFrame['data'] = $this->RemoveStringTerminator($parsedFrame['data'], $frame_textencoding_terminator);
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
$commentkey = ($parsedFrame['description'] ? $parsedFrame['description'] : (isset($info['id3v2']['comments'][$parsedFrame['framenameshort']]) ? count($info['id3v2']['comments'][$parsedFrame['framenameshort']]) : 0));
if (!isset($info['id3v2']['comments'][$parsedFrame['framenameshort']]) || !array_key_exists($commentkey, $info['id3v2']['comments'][$parsedFrame['framenameshort']])) {
$info['id3v2']['comments'][$parsedFrame['framenameshort']][$commentkey] = trim(getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']));
} else {
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = trim(getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']));
}
}
} elseif ($parsedFrame['frame_name'][0] == 'T') {
$frame_offset = 0;
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
}
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
$parsedFrame['data'] = $this->RemoveStringTerminator($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding));
$parsedFrame['encodingid'] = $frame_textencoding;
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
switch ($parsedFrame['encoding']) {
case 'UTF-16':
case 'UTF-16BE':
case 'UTF-16LE':
$wordsize = 2;
break;
case 'ISO-8859-1':
case 'UTF-8':
default:
$wordsize = 1;
break;
}
$Txxx_elements = array();
$Txxx_elements_start_offset = 0;
for ($i = 0; $i < strlen($parsedFrame['data']); $i += $wordsize) {
if (substr($parsedFrame['data'], $i, $wordsize) == str_repeat("\x00", $wordsize)) {
$Txxx_elements[] = substr($parsedFrame['data'], $Txxx_elements_start_offset, $i - $Txxx_elements_start_offset);
$Txxx_elements_start_offset = $i + $wordsize;
}
}
$Txxx_elements[] = substr($parsedFrame['data'], $Txxx_elements_start_offset, $i - $Txxx_elements_start_offset);
foreach ($Txxx_elements as $Txxx_element) {
$string = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $Txxx_element);
if (!empty($string)) {
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $string;
}
}
unset($string, $wordsize, $i, $Txxx_elements, $Txxx_element, $Txxx_elements_start_offset);
}
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'WXXX')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'WXX'))) {
$frame_offset = 0;
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
$frame_textencoding_terminator = "\x00";
}
$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
$frame_terminatorpos++;
}
$parsedFrame['encodingid'] = $frame_textencoding;
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
$parsedFrame['description'] = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$parsedFrame['url'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator));
$parsedFrame['description'] = $this->RemoveStringTerminator($parsedFrame['description'], $frame_textencoding_terminator);
$parsedFrame['description'] = $this->MakeUTF16emptyStringEmpty($parsedFrame['description']);
if (!empty($parsedFrame['framenameshort']) && $parsedFrame['url']) {
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback('ISO-8859-1', $info['id3v2']['encoding'], $parsedFrame['url']);
}
unset($parsedFrame['data']);
} elseif ($parsedFrame['frame_name'][0] == 'W') {
$parsedFrame['url'] = trim($parsedFrame['data']);
if (!empty($parsedFrame['framenameshort']) && $parsedFrame['url']) {
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback('ISO-8859-1', $info['id3v2']['encoding'], $parsedFrame['url']);
}
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion == 3) && ($parsedFrame['frame_name'] == 'IPLS')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'IPL'))) {
$frame_offset = 0;
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
}
$parsedFrame['encodingid'] = $frame_textencoding;
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($parsedFrame['encodingid']);
$parsedFrame['data_raw'] = (string) substr($parsedFrame['data'], $frame_offset);
$IPLS_parts = array();
if (strpos($parsedFrame['data_raw'], "\x00") !== false) {
$IPLS_parts_unsorted = array();
if (((strlen($parsedFrame['data_raw']) % 2) == 0) && ((substr($parsedFrame['data_raw'], 0, 2) == "\xFF\xFE") || (substr($parsedFrame['data_raw'], 0, 2) == "\xFE\xFF"))) {
$thisILPS = '';
for ($i = 0; $i < strlen($parsedFrame['data_raw']); $i += 2) {
$twobytes = substr($parsedFrame['data_raw'], $i, 2);
if ($twobytes === "\x00\x00") {
$IPLS_parts_unsorted[] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $thisILPS);
$thisILPS = '';
} else {
$thisILPS .= $twobytes;
}
}
if (strlen($thisILPS) > 2) {
$IPLS_parts_unsorted[] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $thisILPS);
}
} else {
$IPLS_parts_unsorted = explode("\x00", $parsedFrame['data_raw']);
}
if (count($IPLS_parts_unsorted) == 1) {
foreach ($IPLS_parts_unsorted as $key => $value) {
$IPLS_parts_sorted = preg_split('#[;,\\r\\n\\t]#', $value);
$position = '';
foreach ($IPLS_parts_sorted as $person) {
$IPLS_parts[] = array('position'=>$position, 'person'=>$person);
}
}
} elseif ((count($IPLS_parts_unsorted) % 2) == 0) {
$position = '';
$person = '';
foreach ($IPLS_parts_unsorted as $key => $value) {
if (($key % 2) == 0) {
$position = $value;
} else {
$person = $value;
$IPLS_parts[] = array('position'=>$position, 'person'=>$person);
$position = '';
$person = '';
}
}
} else {
foreach ($IPLS_parts_unsorted as $key => $value) {
$IPLS_parts[] = array($value);
}
}
} else {
$IPLS_parts = preg_split('#[;,\\r\\n\\t]#', $parsedFrame['data_raw']);
}
$parsedFrame['data'] = $IPLS_parts;
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $parsedFrame['data'];
}
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'MCDI')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'MCI'))) {
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $parsedFrame['data'];
}
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'ETCO')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'ETC'))) {
$frame_offset = 0;
$parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
while ($frame_offset < strlen($parsedFrame['data'])) {
$parsedFrame['typeid'] = substr($parsedFrame['data'], $frame_offset++, 1);
$parsedFrame['type'] = $this->ETCOEventLookup($parsedFrame['typeid']);
$parsedFrame['timestamp'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
$frame_offset += 4;
}
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'MLLT')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'MLL'))) {
$frame_offset = 0;
$parsedFrame['framesbetweenreferences'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 0, 2));
$parsedFrame['bytesbetweenreferences'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 2, 3));
$parsedFrame['msbetweenreferences'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 5, 3));
$parsedFrame['bitsforbytesdeviation'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 8, 1));
$parsedFrame['bitsformsdeviation'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 9, 1));
$parsedFrame['data'] = substr($parsedFrame['data'], 10);
$deviationbitstream = '';
while ($frame_offset < strlen($parsedFrame['data'])) {
$deviationbitstream .= getid3_lib::BigEndian2Bin(substr($parsedFrame['data'], $frame_offset++, 1));
}
$reference_counter = 0;
while (strlen($deviationbitstream) > 0) {
$parsedFrame[$reference_counter]['bytedeviation'] = bindec(substr($deviationbitstream, 0, $parsedFrame['bitsforbytesdeviation']));
$parsedFrame[$reference_counter]['msdeviation'] = bindec(substr($deviationbitstream, $parsedFrame['bitsforbytesdeviation'], $parsedFrame['bitsformsdeviation']));
$deviationbitstream = substr($deviationbitstream, $parsedFrame['bitsforbytesdeviation'] + $parsedFrame['bitsformsdeviation']);
$reference_counter++;
}
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'SYTC')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'STC'))) {
$frame_offset = 0;
$parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$timestamp_counter = 0;
while ($frame_offset < strlen($parsedFrame['data'])) {
$parsedFrame[$timestamp_counter]['tempo'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
if ($parsedFrame[$timestamp_counter]['tempo'] == 255) {
$parsedFrame[$timestamp_counter]['tempo'] += ord(substr($parsedFrame['data'], $frame_offset++, 1));
}
$parsedFrame[$timestamp_counter]['timestamp'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
$frame_offset += 4;
$timestamp_counter++;
}
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'USLT')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'ULT'))) {
$frame_offset = 0;
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
$frame_textencoding_terminator = "\x00";
}
$frame_language = substr($parsedFrame['data'], $frame_offset, 3);
$frame_offset += 3;
$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
$frame_terminatorpos++;
}
$parsedFrame['description'] = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$parsedFrame['description'] = $this->MakeUTF16emptyStringEmpty($parsedFrame['description']);
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator));
$parsedFrame['data'] = $this->RemoveStringTerminator($parsedFrame['data'], $frame_textencoding_terminator);
$parsedFrame['encodingid'] = $frame_textencoding;
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
$parsedFrame['language'] = $frame_language;
$parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false);
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']);
}
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'SYLT')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'SLT'))) {
$frame_offset = 0;
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
$frame_textencoding_terminator = "\x00";
}
$frame_language = substr($parsedFrame['data'], $frame_offset, 3);
$frame_offset += 3;
$parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['contenttypeid'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['contenttype'] = $this->SYTLContentTypeLookup($parsedFrame['contenttypeid']);
$parsedFrame['encodingid'] = $frame_textencoding;
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
$parsedFrame['language'] = $frame_language;
$parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false);
$timestampindex = 0;
$frame_remainingdata = substr($parsedFrame['data'], $frame_offset);
while (strlen($frame_remainingdata)) {
$frame_offset = 0;
$frame_terminatorpos = strpos($frame_remainingdata, $frame_textencoding_terminator);
if ($frame_terminatorpos === false) {
$frame_remainingdata = '';
} else {
if (ord(substr($frame_remainingdata, $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
$frame_terminatorpos++;
}
$parsedFrame['lyrics'][$timestampindex]['data'] = substr($frame_remainingdata, $frame_offset, $frame_terminatorpos - $frame_offset);
$frame_remainingdata = substr($frame_remainingdata, $frame_terminatorpos + strlen($frame_textencoding_terminator));
if (($timestampindex == 0) && (ord($frame_remainingdata[0]) != 0)) {
} else {
$parsedFrame['lyrics'][$timestampindex]['timestamp'] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, 0, 4));
$frame_remainingdata = substr($frame_remainingdata, 4);
}
$timestampindex++;
}
}
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'COMM')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'COM'))) {
if (strlen($parsedFrame['data']) < 5) {
$this->warning('Invalid data (too short) for "'.$parsedFrame['frame_name'].'" frame at offset '.$parsedFrame['dataoffset']);
} else {
$frame_offset = 0;
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
$frame_textencoding_terminator = "\x00";
}
$frame_language = substr($parsedFrame['data'], $frame_offset, 3);
$frame_offset += 3;
$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
$frame_terminatorpos++;
}
$parsedFrame['description'] = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$parsedFrame['description'] = $this->MakeUTF16emptyStringEmpty($parsedFrame['description']);
$frame_text = (string) substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator));
$frame_text = $this->RemoveStringTerminator($frame_text, $frame_textencoding_terminator);
$parsedFrame['encodingid'] = $frame_textencoding;
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
$parsedFrame['language'] = $frame_language;
$parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false);
$parsedFrame['data'] = $frame_text;
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
$commentkey = ($parsedFrame['description'] ? $parsedFrame['description'] : (!empty($info['id3v2']['comments'][$parsedFrame['framenameshort']]) ? count($info['id3v2']['comments'][$parsedFrame['framenameshort']]) : 0));
if (!isset($info['id3v2']['comments'][$parsedFrame['framenameshort']]) || !array_key_exists($commentkey, $info['id3v2']['comments'][$parsedFrame['framenameshort']])) {
$info['id3v2']['comments'][$parsedFrame['framenameshort']][$commentkey] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']);
} else {
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']);
}
}
}
} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'RVA2')) {
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00");
$frame_idstring = substr($parsedFrame['data'], 0, $frame_terminatorpos);
if (ord($frame_idstring) === 0) {
$frame_idstring = '';
}
$frame_remainingdata = substr($parsedFrame['data'], $frame_terminatorpos + strlen("\x00"));
$parsedFrame['description'] = $frame_idstring;
$RVA2channelcounter = 0;
while (strlen($frame_remainingdata) >= 5) {
$frame_offset = 0;
$frame_channeltypeid = ord(substr($frame_remainingdata, $frame_offset++, 1));
$parsedFrame[$RVA2channelcounter]['channeltypeid'] = $frame_channeltypeid;
$parsedFrame[$RVA2channelcounter]['channeltype'] = $this->RVA2ChannelTypeLookup($frame_channeltypeid);
$parsedFrame[$RVA2channelcounter]['volumeadjust'] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, $frame_offset, 2), false, true);
$frame_offset += 2;
$parsedFrame[$RVA2channelcounter]['bitspeakvolume'] = ord(substr($frame_remainingdata, $frame_offset++, 1));
if (($parsedFrame[$RVA2channelcounter]['bitspeakvolume'] < 1) || ($parsedFrame[$RVA2channelcounter]['bitspeakvolume'] > 4)) {
$this->warning('ID3v2::RVA2 frame['.$RVA2channelcounter.'] contains invalid '.$parsedFrame[$RVA2channelcounter]['bitspeakvolume'].'-byte bits-representing-peak value');
break;
}
$frame_bytespeakvolume = ceil($parsedFrame[$RVA2channelcounter]['bitspeakvolume'] / 8);
$parsedFrame[$RVA2channelcounter]['peakvolume'] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, $frame_offset, $frame_bytespeakvolume));
$frame_remainingdata = substr($frame_remainingdata, $frame_offset + $frame_bytespeakvolume);
$RVA2channelcounter++;
}
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion == 3) && ($parsedFrame['frame_name'] == 'RVAD')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'RVA'))) {
$frame_offset = 0;
$frame_incrdecrflags = getid3_lib::BigEndian2Bin(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['incdec']['right'] = (bool) substr($frame_incrdecrflags, 6, 1);
$parsedFrame['incdec']['left'] = (bool) substr($frame_incrdecrflags, 7, 1);
$parsedFrame['bitsvolume'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$frame_bytesvolume = ceil($parsedFrame['bitsvolume'] / 8);
$parsedFrame['volumechange']['right'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
if ($parsedFrame['incdec']['right'] === false) {
$parsedFrame['volumechange']['right'] *= -1;
}
$frame_offset += $frame_bytesvolume;
$parsedFrame['volumechange']['left'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
if ($parsedFrame['incdec']['left'] === false) {
$parsedFrame['volumechange']['left'] *= -1;
}
$frame_offset += $frame_bytesvolume;
$parsedFrame['peakvolume']['right'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
$frame_offset += $frame_bytesvolume;
$parsedFrame['peakvolume']['left'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
$frame_offset += $frame_bytesvolume;
if ($id3v2_majorversion == 3) {
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_offset);
if (strlen($parsedFrame['data']) > 0) {
$parsedFrame['incdec']['rightrear'] = (bool) substr($frame_incrdecrflags, 4, 1);
$parsedFrame['incdec']['leftrear'] = (bool) substr($frame_incrdecrflags, 5, 1);
$parsedFrame['volumechange']['rightrear'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
if ($parsedFrame['incdec']['rightrear'] === false) {
$parsedFrame['volumechange']['rightrear'] *= -1;
}
$frame_offset += $frame_bytesvolume;
$parsedFrame['volumechange']['leftrear'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
if ($parsedFrame['incdec']['leftrear'] === false) {
$parsedFrame['volumechange']['leftrear'] *= -1;
}
$frame_offset += $frame_bytesvolume;
$parsedFrame['peakvolume']['rightrear'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
$frame_offset += $frame_bytesvolume;
$parsedFrame['peakvolume']['leftrear'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
$frame_offset += $frame_bytesvolume;
}
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_offset);
if (strlen($parsedFrame['data']) > 0) {
$parsedFrame['incdec']['center'] = (bool) substr($frame_incrdecrflags, 3, 1);
$parsedFrame['volumechange']['center'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
if ($parsedFrame['incdec']['center'] === false) {
$parsedFrame['volumechange']['center'] *= -1;
}
$frame_offset += $frame_bytesvolume;
$parsedFrame['peakvolume']['center'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
$frame_offset += $frame_bytesvolume;
}
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_offset);
if (strlen($parsedFrame['data']) > 0) {
$parsedFrame['incdec']['bass'] = (bool) substr($frame_incrdecrflags, 2, 1);
$parsedFrame['volumechange']['bass'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
if ($parsedFrame['incdec']['bass'] === false) {
$parsedFrame['volumechange']['bass'] *= -1;
}
$frame_offset += $frame_bytesvolume;
$parsedFrame['peakvolume']['bass'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
$frame_offset += $frame_bytesvolume;
}
}
unset($parsedFrame['data']);
} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'EQU2')) {
$frame_offset = 0;
$frame_interpolationmethod = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_idstring = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_idstring) === 0) {
$frame_idstring = '';
}
$parsedFrame['description'] = $frame_idstring;
$frame_remainingdata = substr($parsedFrame['data'], $frame_terminatorpos + strlen("\x00"));
while (strlen($frame_remainingdata)) {
$frame_frequency = getid3_lib::BigEndian2Int(substr($frame_remainingdata, 0, 2)) / 2;
$parsedFrame['data'][$frame_frequency] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, 2, 2), false, true);
$frame_remainingdata = substr($frame_remainingdata, 4);
}
$parsedFrame['interpolationmethod'] = $frame_interpolationmethod;
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion == 3) && ($parsedFrame['frame_name'] == 'EQUA')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'EQU'))) {
$frame_offset = 0;
$parsedFrame['adjustmentbits'] = substr($parsedFrame['data'], $frame_offset++, 1);
$frame_adjustmentbytes = ceil($parsedFrame['adjustmentbits'] / 8);
$frame_remainingdata = (string) substr($parsedFrame['data'], $frame_offset);
while (strlen($frame_remainingdata) > 0) {
$frame_frequencystr = getid3_lib::BigEndian2Bin(substr($frame_remainingdata, 0, 2));
$frame_incdec = (bool) substr($frame_frequencystr, 0, 1);
$frame_frequency = bindec(substr($frame_frequencystr, 1, 15));
$parsedFrame[$frame_frequency]['incdec'] = $frame_incdec;
$parsedFrame[$frame_frequency]['adjustment'] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, 2, $frame_adjustmentbytes));
if ($parsedFrame[$frame_frequency]['incdec'] === false) {
$parsedFrame[$frame_frequency]['adjustment'] *= -1;
}
$frame_remainingdata = substr($frame_remainingdata, 2 + $frame_adjustmentbytes);
}
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'RVRB')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'REV'))) {
$frame_offset = 0;
$parsedFrame['left'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
$frame_offset += 2;
$parsedFrame['right'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
$frame_offset += 2;
$parsedFrame['bouncesL'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['bouncesR'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['feedbackLL'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['feedbackLR'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['feedbackRR'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['feedbackRL'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['premixLR'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['premixRL'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'APIC')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'PIC'))) {
$frame_offset = 0;
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
$frame_textencoding_terminator = "\x00";
}
if ($id3v2_majorversion == 2 && strlen($parsedFrame['data']) > $frame_offset) {
$frame_imagetype = substr($parsedFrame['data'], $frame_offset, 3);
if (strtolower($frame_imagetype) == 'ima') {
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_mimetype) === 0) {
$frame_mimetype = '';
}
$frame_imagetype = strtoupper(str_replace('image/', '', strtolower($frame_mimetype)));
if ($frame_imagetype == 'JPEG') {
$frame_imagetype = 'JPG';
}
$frame_offset = $frame_terminatorpos + strlen("\x00");
} else {
$frame_offset += 3;
}
}
if ($id3v2_majorversion > 2 && strlen($parsedFrame['data']) > $frame_offset) {
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_mimetype) === 0) {
$frame_mimetype = '';
}
$frame_offset = $frame_terminatorpos + strlen("\x00");
}
$frame_picturetype = ord(substr($parsedFrame['data'], $frame_offset++, 1));
if ($frame_offset >= $parsedFrame['datalength']) {
$this->warning('data portion of APIC frame is missing at offset '.($parsedFrame['dataoffset'] + 8 + $frame_offset));
} else {
$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
$frame_terminatorpos++;
}
$parsedFrame['description'] = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$parsedFrame['description'] = $this->MakeUTF16emptyStringEmpty($parsedFrame['description']);
$parsedFrame['encodingid'] = $frame_textencoding;
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
if ($id3v2_majorversion == 2) {
$parsedFrame['imagetype'] = isset($frame_imagetype) ? $frame_imagetype : null;
} else {
$parsedFrame['mime'] = isset($frame_mimetype) ? $frame_mimetype : null;
}
$parsedFrame['picturetypeid'] = $frame_picturetype;
$parsedFrame['picturetype'] = $this->APICPictureTypeLookup($frame_picturetype);
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator));
$parsedFrame['datalength'] = strlen($parsedFrame['data']);
$parsedFrame['image_mime'] = '';
$imageinfo = array();
if ($imagechunkcheck = getid3_lib::GetDataImageSize($parsedFrame['data'], $imageinfo)) {
if (($imagechunkcheck[2] >= 1) && ($imagechunkcheck[2] <= 3)) {
$parsedFrame['image_mime'] = image_type_to_mime_type($imagechunkcheck[2]);
if ($imagechunkcheck[0]) {
$parsedFrame['image_width'] = $imagechunkcheck[0];
}
if ($imagechunkcheck[1]) {
$parsedFrame['image_height'] = $imagechunkcheck[1];
}
}
}
do {
if ($this->getid3->option_save_attachments === false) {
unset($parsedFrame['data']);
break;
}
$dir = '';
if ($this->getid3->option_save_attachments === true) {
} elseif (is_string($this->getid3->option_save_attachments)) {
$dir = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->getid3->option_save_attachments), DIRECTORY_SEPARATOR);
if (!is_dir($dir) || !getID3::is_writable($dir)) {
$this->warning('attachment at '.$frame_offset.' cannot be saved to "'.$dir.'" (not writable)');
unset($parsedFrame['data']);
break;
}
}
if (is_string($this->getid3->option_save_attachments)) {
$destination_filename = $dir.DIRECTORY_SEPARATOR.md5($info['filenamepath']).'_'.$frame_offset;
if (!file_exists($destination_filename) || getID3::is_writable($destination_filename)) {
file_put_contents($destination_filename, $parsedFrame['data']);
} else {
$this->warning('attachment at '.$frame_offset.' cannot be saved to "'.$destination_filename.'" (not writable)');
}
$parsedFrame['data_filename'] = $destination_filename;
unset($parsedFrame['data']);
} else {
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
if (!isset($info['id3v2']['comments']['picture'])) {
$info['id3v2']['comments']['picture'] = array();
}
$comments_picture_data = array();
foreach (array('data', 'image_mime', 'image_width', 'image_height', 'imagetype', 'picturetype', 'description', 'datalength') as $picture_key) {
if (isset($parsedFrame[$picture_key])) {
$comments_picture_data[$picture_key] = $parsedFrame[$picture_key];
}
}
$info['id3v2']['comments']['picture'][] = $comments_picture_data;
unset($comments_picture_data);
}
}
} while (false);
}
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'GEOB')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'GEO'))) {
$frame_offset = 0;
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
$frame_textencoding_terminator = "\x00";
}
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_mimetype) === 0) {
$frame_mimetype = '';
}
$frame_offset = $frame_terminatorpos + strlen("\x00");
$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
$frame_terminatorpos++;
}
$frame_filename = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_filename) === 0) {
$frame_filename = '';
}
$frame_offset = $frame_terminatorpos + strlen($frame_textencoding_terminator);
$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
$frame_terminatorpos++;
}
$parsedFrame['description'] = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$parsedFrame['description'] = $this->MakeUTF16emptyStringEmpty($parsedFrame['description']);
$frame_offset = $frame_terminatorpos + strlen($frame_textencoding_terminator);
$parsedFrame['objectdata'] = (string) substr($parsedFrame['data'], $frame_offset);
$parsedFrame['encodingid'] = $frame_textencoding;
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
$parsedFrame['mime'] = $frame_mimetype;
$parsedFrame['filename'] = $frame_filename;
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'PCNT')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'CNT'))) {
$parsedFrame['data'] = getid3_lib::BigEndian2Int($parsedFrame['data']);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'POPM')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'POP'))) {
$frame_offset = 0;
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_emailaddress = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_emailaddress) === 0) {
$frame_emailaddress = '';
}
$frame_offset = $frame_terminatorpos + strlen("\x00");
$frame_rating = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['counter'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset));
$parsedFrame['email'] = $frame_emailaddress;
$parsedFrame['rating'] = $frame_rating;
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'RBUF')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'BUF'))) {
$frame_offset = 0;
$parsedFrame['buffersize'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 3));
$frame_offset += 3;
$frame_embeddedinfoflags = getid3_lib::BigEndian2Bin(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['flags']['embededinfo'] = (bool) substr($frame_embeddedinfoflags, 7, 1);
$parsedFrame['nexttagoffset'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
unset($parsedFrame['data']);
} elseif (($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'CRM')) {
$frame_offset = 0;
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$frame_offset = $frame_terminatorpos + strlen("\x00");
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$parsedFrame['description'] = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$parsedFrame['description'] = $this->MakeUTF16emptyStringEmpty($parsedFrame['description']);
$frame_offset = $frame_terminatorpos + strlen("\x00");
$parsedFrame['ownerid'] = $frame_ownerid;
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'AENC')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'CRA'))) {
$frame_offset = 0;
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_ownerid) === 0) {
$frame_ownerid = '';
}
$frame_offset = $frame_terminatorpos + strlen("\x00");
$parsedFrame['ownerid'] = $frame_ownerid;
$parsedFrame['previewstart'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
$frame_offset += 2;
$parsedFrame['previewlength'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
$frame_offset += 2;
$parsedFrame['encryptioninfo'] = (string) substr($parsedFrame['data'], $frame_offset);
unset($parsedFrame['data']);
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'LINK')) ||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'LNK'))) {
$frame_offset = 0;
if ($id3v2_majorversion == 2) {
$parsedFrame['frameid'] = substr($parsedFrame['data'], $frame_offset, 3);
$frame_offset += 3;
} else {
$parsedFrame['frameid'] = substr($parsedFrame['data'], $frame_offset, 4);
$frame_offset += 4;
}
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_url = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_url) === 0) {
$frame_url = '';
}
$frame_offset = $frame_terminatorpos + strlen("\x00");
$parsedFrame['url'] = $frame_url;
$parsedFrame['additionaldata'] = (string) substr($parsedFrame['data'], $frame_offset);
if (!empty($parsedFrame['framenameshort']) && $parsedFrame['url']) {
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback_iso88591_utf8($parsedFrame['url']);
}
unset($parsedFrame['data']);
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'POSS')) {
$frame_offset = 0;
$parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['position'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset));
unset($parsedFrame['data']);
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'USER')) {
$frame_offset = 0;
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
}
$frame_language = substr($parsedFrame['data'], $frame_offset, 3);
$frame_offset += 3;
$parsedFrame['language'] = $frame_language;
$parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false);
$parsedFrame['encodingid'] = $frame_textencoding;
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
$parsedFrame['data'] = $this->RemoveStringTerminator($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding));
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']);
}
unset($parsedFrame['data']);
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'OWNE')) {
$frame_offset = 0;
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
}
$parsedFrame['encodingid'] = $frame_textencoding;
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_pricepaid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$frame_offset = $frame_terminatorpos + strlen("\x00");
$parsedFrame['pricepaid']['currencyid'] = substr($frame_pricepaid, 0, 3);
$parsedFrame['pricepaid']['currency'] = $this->LookupCurrencyUnits($parsedFrame['pricepaid']['currencyid']);
$parsedFrame['pricepaid']['value'] = substr($frame_pricepaid, 3);
$parsedFrame['purchasedate'] = substr($parsedFrame['data'], $frame_offset, 8);
if ($this->IsValidDateStampString($parsedFrame['purchasedate'])) {
$parsedFrame['purchasedateunix'] = mktime (0, 0, 0, substr($parsedFrame['purchasedate'], 4, 2), substr($parsedFrame['purchasedate'], 6, 2), substr($parsedFrame['purchasedate'], 0, 4));
}
$frame_offset += 8;
$parsedFrame['seller'] = (string) substr($parsedFrame['data'], $frame_offset);
$parsedFrame['seller'] = $this->RemoveStringTerminator($parsedFrame['seller'], $this->TextEncodingTerminatorLookup($frame_textencoding));
unset($parsedFrame['data']);
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'COMR')) {
$frame_offset = 0;
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$frame_textencoding_terminator = $this->TextEncodingTerminatorLookup($frame_textencoding);
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
$this->warning('Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding');
$frame_textencoding_terminator = "\x00";
}
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_pricestring = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$frame_offset = $frame_terminatorpos + strlen("\x00");
$frame_rawpricearray = explode('/', $frame_pricestring);
foreach ($frame_rawpricearray as $key => $val) {
$frame_currencyid = substr($val, 0, 3);
$parsedFrame['price'][$frame_currencyid]['currency'] = $this->LookupCurrencyUnits($frame_currencyid);
$parsedFrame['price'][$frame_currencyid]['value'] = substr($val, 3);
}
$frame_datestring = substr($parsedFrame['data'], $frame_offset, 8);
$frame_offset += 8;
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_contacturl = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$frame_offset = $frame_terminatorpos + strlen("\x00");
$frame_receivedasid = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
$frame_terminatorpos++;
}
$frame_sellername = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_sellername) === 0) {
$frame_sellername = '';
}
$frame_offset = $frame_terminatorpos + strlen($frame_textencoding_terminator);
$frame_terminatorpos = strpos($parsedFrame['data'], $frame_textencoding_terminator, $frame_offset);
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($frame_textencoding_terminator), 1)) === 0) {
$frame_terminatorpos++;
}
$parsedFrame['description'] = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$parsedFrame['description'] = $this->MakeUTF16emptyStringEmpty($parsedFrame['description']);
$frame_offset = $frame_terminatorpos + strlen($frame_textencoding_terminator);
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$frame_offset = $frame_terminatorpos + strlen("\x00");
$frame_sellerlogo = substr($parsedFrame['data'], $frame_offset);
$parsedFrame['encodingid'] = $frame_textencoding;
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
$parsedFrame['pricevaliduntil'] = $frame_datestring;
$parsedFrame['contacturl'] = $frame_contacturl;
$parsedFrame['receivedasid'] = $frame_receivedasid;
$parsedFrame['receivedas'] = $this->COMRReceivedAsLookup($frame_receivedasid);
$parsedFrame['sellername'] = $frame_sellername;
$parsedFrame['mime'] = $frame_mimetype;
$parsedFrame['logo'] = $frame_sellerlogo;
unset($parsedFrame['data']);
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'ENCR')) {
$frame_offset = 0;
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_ownerid) === 0) {
$frame_ownerid = '';
}
$frame_offset = $frame_terminatorpos + strlen("\x00");
$parsedFrame['ownerid'] = $frame_ownerid;
$parsedFrame['methodsymbol'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'GRID')) {
$frame_offset = 0;
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_ownerid) === 0) {
$frame_ownerid = '';
}
$frame_offset = $frame_terminatorpos + strlen("\x00");
$parsedFrame['ownerid'] = $frame_ownerid;
$parsedFrame['groupsymbol'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'PRIV')) {
$frame_offset = 0;
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_ownerid) === 0) {
$frame_ownerid = '';
}
$frame_offset = $frame_terminatorpos + strlen("\x00");
$parsedFrame['ownerid'] = $frame_ownerid;
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'SIGN')) {
$frame_offset = 0;
$parsedFrame['groupsymbol'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'SEEK')) {
$frame_offset = 0;
$parsedFrame['data'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'ASPI')) {
$frame_offset = 0;
$parsedFrame['datastart'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
$frame_offset += 4;
$parsedFrame['indexeddatalength'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
$frame_offset += 4;
$parsedFrame['indexpoints'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
$frame_offset += 2;
$parsedFrame['bitsperpoint'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
$frame_bytesperpoint = ceil($parsedFrame['bitsperpoint'] / 8);
for ($i = 0; $i < $parsedFrame['indexpoints']; $i++) {
$parsedFrame['indexes'][$i] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesperpoint));
$frame_offset += $frame_bytesperpoint;
}
unset($parsedFrame['data']);
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'RGAD')) {
$frame_offset = 0;
$parsedFrame['peakamplitude'] = getid3_lib::BigEndian2Float(substr($parsedFrame['data'], $frame_offset, 4));
$frame_offset += 4;
$rg_track_adjustment = getid3_lib::Dec2Bin(substr($parsedFrame['data'], $frame_offset, 2));
$frame_offset += 2;
$rg_album_adjustment = getid3_lib::Dec2Bin(substr($parsedFrame['data'], $frame_offset, 2));
$frame_offset += 2;
$parsedFrame['raw']['track']['name'] = getid3_lib::Bin2Dec(substr($rg_track_adjustment, 0, 3));
$parsedFrame['raw']['track']['originator'] = getid3_lib::Bin2Dec(substr($rg_track_adjustment, 3, 3));
$parsedFrame['raw']['track']['signbit'] = getid3_lib::Bin2Dec(substr($rg_track_adjustment, 6, 1));
$parsedFrame['raw']['track']['adjustment'] = getid3_lib::Bin2Dec(substr($rg_track_adjustment, 7, 9));
$parsedFrame['raw']['album']['name'] = getid3_lib::Bin2Dec(substr($rg_album_adjustment, 0, 3));
$parsedFrame['raw']['album']['originator'] = getid3_lib::Bin2Dec(substr($rg_album_adjustment, 3, 3));
$parsedFrame['raw']['album']['signbit'] = getid3_lib::Bin2Dec(substr($rg_album_adjustment, 6, 1));
$parsedFrame['raw']['album']['adjustment'] = getid3_lib::Bin2Dec(substr($rg_album_adjustment, 7, 9));
$parsedFrame['track']['name'] = getid3_lib::RGADnameLookup($parsedFrame['raw']['track']['name']);
$parsedFrame['track']['originator'] = getid3_lib::RGADoriginatorLookup($parsedFrame['raw']['track']['originator']);
$parsedFrame['track']['adjustment'] = getid3_lib::RGADadjustmentLookup($parsedFrame['raw']['track']['adjustment'], $parsedFrame['raw']['track']['signbit']);
$parsedFrame['album']['name'] = getid3_lib::RGADnameLookup($parsedFrame['raw']['album']['name']);
$parsedFrame['album']['originator'] = getid3_lib::RGADoriginatorLookup($parsedFrame['raw']['album']['originator']);
$parsedFrame['album']['adjustment'] = getid3_lib::RGADadjustmentLookup($parsedFrame['raw']['album']['adjustment'], $parsedFrame['raw']['album']['signbit']);
$info['replay_gain']['track']['peak'] = $parsedFrame['peakamplitude'];
$info['replay_gain']['track']['originator'] = $parsedFrame['track']['originator'];
$info['replay_gain']['track']['adjustment'] = $parsedFrame['track']['adjustment'];
$info['replay_gain']['album']['originator'] = $parsedFrame['album']['originator'];
$info['replay_gain']['album']['adjustment'] = $parsedFrame['album']['adjustment'];
unset($parsedFrame['data']);
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'CHAP')) {
$frame_offset = 0;
@list($parsedFrame['element_id']) = explode("\x00", $parsedFrame['data'], 2);
$frame_offset += strlen($parsedFrame['element_id']."\x00");
$parsedFrame['time_begin'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
$frame_offset += 4;
$parsedFrame['time_end'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
$frame_offset += 4;
if (substr($parsedFrame['data'], $frame_offset, 4) != "\xFF\xFF\xFF\xFF") {
$parsedFrame['offset_begin'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
}
$frame_offset += 4;
if (substr($parsedFrame['data'], $frame_offset, 4) != "\xFF\xFF\xFF\xFF") {
$parsedFrame['offset_end'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
}
$frame_offset += 4;
if ($frame_offset < strlen($parsedFrame['data'])) {
$parsedFrame['subframes'] = array();
while ($frame_offset < strlen($parsedFrame['data'])) {
$subframe = array();
$subframe['name'] = substr($parsedFrame['data'], $frame_offset, 4);
$frame_offset += 4;
$subframe['size'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
$frame_offset += 4;
$subframe['flags_raw'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
$frame_offset += 2;
if ($subframe['size'] > (strlen($parsedFrame['data']) - $frame_offset)) {
$this->warning('CHAP subframe "'.$subframe['name'].'" at frame offset '.$frame_offset.' claims to be "'.$subframe['size'].'" bytes, which is more than the available data ('.(strlen($parsedFrame['data']) - $frame_offset).' bytes)');
break;
}
$subframe_rawdata = substr($parsedFrame['data'], $frame_offset, $subframe['size']);
$frame_offset += $subframe['size'];
$subframe['encodingid'] = ord(substr($subframe_rawdata, 0, 1));
$subframe['text'] = substr($subframe_rawdata, 1);
$subframe['encoding'] = $this->TextEncodingNameLookup($subframe['encodingid']);
$encoding_converted_text = trim(getid3_lib::iconv_fallback($subframe['encoding'], $info['encoding'], $subframe['text']));
switch (substr($encoding_converted_text, 0, 2)) {
case "\xFF\xFE":
case "\xFE\xFF":
switch (strtoupper($info['id3v2']['encoding'])) {
case 'ISO-8859-1':
case 'UTF-8':
$encoding_converted_text = substr($encoding_converted_text, 2);
break;
default:
break;
}
break;
default:
break;
}
switch ($subframe['name']) {
case 'TIT2':
$parsedFrame['chapter_name'] = $encoding_converted_text;
$parsedFrame['subframes'][] = $subframe;
break;
case 'TIT3':
$parsedFrame['chapter_description'] = $encoding_converted_text;
$parsedFrame['subframes'][] = $subframe;
break;
case 'WXXX':
list($subframe['chapter_url_description'], $subframe['chapter_url']) = explode("\x00", $encoding_converted_text, 2);
$parsedFrame['chapter_url'][$subframe['chapter_url_description']] = $subframe['chapter_url'];
$parsedFrame['subframes'][] = $subframe;
break;
case 'APIC':
if (preg_match('#^([^\\x00]+)*\\x00(.)([^\\x00]+)*\\x00(.+)$#s', $subframe['text'], $matches)) {
list($dummy, $subframe_apic_mime, $subframe_apic_picturetype, $subframe_apic_description, $subframe_apic_picturedata) = $matches;
$subframe['image_mime'] = trim(getid3_lib::iconv_fallback($subframe['encoding'], $info['encoding'], $subframe_apic_mime));
$subframe['picture_type'] = $this->APICPictureTypeLookup($subframe_apic_picturetype);
$subframe['description'] = trim(getid3_lib::iconv_fallback($subframe['encoding'], $info['encoding'], $subframe_apic_description));
if (strlen($this->TextEncodingTerminatorLookup($subframe['encoding'])) == 2) {
$subframe_apic_picturedata = substr($subframe_apic_picturedata, 1);
}
$subframe['data'] = $subframe_apic_picturedata;
unset($dummy, $subframe_apic_mime, $subframe_apic_picturetype, $subframe_apic_description, $subframe_apic_picturedata);
unset($subframe['text'], $parsedFrame['text']);
$parsedFrame['subframes'][] = $subframe;
$parsedFrame['picture_present'] = true;
} else {
$this->warning('ID3v2.CHAP subframe #'.(count($parsedFrame['subframes']) + 1).' "'.$subframe['name'].'" not in expected format');
}
break;
default:
$this->warning('ID3v2.CHAP subframe "'.$subframe['name'].'" not handled (supported: TIT2, TIT3, WXXX, APIC)');
break;
}
}
unset($subframe_rawdata, $subframe, $encoding_converted_text);
unset($parsedFrame['data']);
}
$id3v2_chapter_entry = array();
foreach (array('id', 'time_begin', 'time_end', 'offset_begin', 'offset_end', 'chapter_name', 'chapter_description', 'chapter_url', 'picture_present') as $id3v2_chapter_key) {
if (isset($parsedFrame[$id3v2_chapter_key])) {
$id3v2_chapter_entry[$id3v2_chapter_key] = $parsedFrame[$id3v2_chapter_key];
}
}
if (!isset($info['id3v2']['chapters'])) {
$info['id3v2']['chapters'] = array();
}
$info['id3v2']['chapters'][] = $id3v2_chapter_entry;
unset($id3v2_chapter_entry, $id3v2_chapter_key);
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'CTOC')) {
$frame_offset = 0;
@list($parsedFrame['element_id']) = explode("\x00", $parsedFrame['data'], 2);
$frame_offset += strlen($parsedFrame['element_id']."\x00");
$ctoc_flags_raw = ord(substr($parsedFrame['data'], $frame_offset, 1));
$frame_offset += 1;
$parsedFrame['entry_count'] = ord(substr($parsedFrame['data'], $frame_offset, 1));
$frame_offset += 1;
$terminator_position = null;
for ($i = 0; $i < $parsedFrame['entry_count']; $i++) {
$terminator_position = strpos($parsedFrame['data'], "\x00", $frame_offset);
$parsedFrame['child_element_ids'][$i] = substr($parsedFrame['data'], $frame_offset, $terminator_position - $frame_offset);
$frame_offset = $terminator_position + 1;
}
$parsedFrame['ctoc_flags']['ordered'] = (bool) ($ctoc_flags_raw & 0x01);
$parsedFrame['ctoc_flags']['top_level'] = (bool) ($ctoc_flags_raw & 0x03);
unset($ctoc_flags_raw, $terminator_position);
if ($frame_offset < strlen($parsedFrame['data'])) {
$parsedFrame['subframes'] = array();
while ($frame_offset < strlen($parsedFrame['data'])) {
$subframe = array();
$subframe['name'] = substr($parsedFrame['data'], $frame_offset, 4);
$frame_offset += 4;
$subframe['size'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
$frame_offset += 4;
$subframe['flags_raw'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
$frame_offset += 2;
if ($subframe['size'] > (strlen($parsedFrame['data']) - $frame_offset)) {
$this->warning('CTOS subframe "'.$subframe['name'].'" at frame offset '.$frame_offset.' claims to be "'.$subframe['size'].'" bytes, which is more than the available data ('.(strlen($parsedFrame['data']) - $frame_offset).' bytes)');
break;
}
$subframe_rawdata = substr($parsedFrame['data'], $frame_offset, $subframe['size']);
$frame_offset += $subframe['size'];
$subframe['encodingid'] = ord(substr($subframe_rawdata, 0, 1));
$subframe['text'] = substr($subframe_rawdata, 1);
$subframe['encoding'] = $this->TextEncodingNameLookup($subframe['encodingid']);
$encoding_converted_text = trim(getid3_lib::iconv_fallback($subframe['encoding'], $info['encoding'], $subframe['text']));;
switch (substr($encoding_converted_text, 0, 2)) {
case "\xFF\xFE":
case "\xFE\xFF":
switch (strtoupper($info['id3v2']['encoding'])) {
case 'ISO-8859-1':
case 'UTF-8':
$encoding_converted_text = substr($encoding_converted_text, 2);
break;
default:
break;
}
break;
default:
break;
}
if (($subframe['name'] == 'TIT2') || ($subframe['name'] == 'TIT3')) {
if ($subframe['name'] == 'TIT2') {
$parsedFrame['toc_name'] = $encoding_converted_text;
} elseif ($subframe['name'] == 'TIT3') {
$parsedFrame['toc_description'] = $encoding_converted_text;
}
$parsedFrame['subframes'][] = $subframe;
} else {
$this->warning('ID3v2.CTOC subframe "'.$subframe['name'].'" not handled (only TIT2 and TIT3)');
}
}
unset($subframe_rawdata, $subframe, $encoding_converted_text);
}
}
return true;
}
public function DeUnsynchronise($data) {
return str_replace("\xFF\x00", "\xFF", $data);
}
public function LookupExtendedHeaderRestrictionsTagSizeLimits($index) {
static $LookupExtendedHeaderRestrictionsTagSizeLimits = array(
0x00 => 'No more than 128 frames and 1 MB total tag size',
0x01 => 'No more than 64 frames and 128 KB total tag size',
0x02 => 'No more than 32 frames and 40 KB total tag size',
0x03 => 'No more than 32 frames and 4 KB total tag size',
);
return (isset($LookupExtendedHeaderRestrictionsTagSizeLimits[$index]) ? $LookupExtendedHeaderRestrictionsTagSizeLimits[$index] : '');
}
public function LookupExtendedHeaderRestrictionsTextEncodings($index) {
static $LookupExtendedHeaderRestrictionsTextEncodings = array(
0x00 => 'No restrictions',
0x01 => 'Strings are only encoded with ISO-8859-1 or UTF-8',
);
return (isset($LookupExtendedHeaderRestrictionsTextEncodings[$index]) ? $LookupExtendedHeaderRestrictionsTextEncodings[$index] : '');
}
public function LookupExtendedHeaderRestrictionsTextFieldSize($index) {
static $LookupExtendedHeaderRestrictionsTextFieldSize = array(
0x00 => 'No restrictions',
0x01 => 'No string is longer than 1024 characters',
0x02 => 'No string is longer than 128 characters',
0x03 => 'No string is longer than 30 characters',
);
return (isset($LookupExtendedHeaderRestrictionsTextFieldSize[$index]) ? $LookupExtendedHeaderRestrictionsTextFieldSize[$index] : '');
}
public function LookupExtendedHeaderRestrictionsImageEncoding($index) {
static $LookupExtendedHeaderRestrictionsImageEncoding = array(
0x00 => 'No restrictions',
0x01 => 'Images are encoded only with PNG or JPEG',
);
return (isset($LookupExtendedHeaderRestrictionsImageEncoding[$index]) ? $LookupExtendedHeaderRestrictionsImageEncoding[$index] : '');
}
public function LookupExtendedHeaderRestrictionsImageSizeSize($index) {
static $LookupExtendedHeaderRestrictionsImageSizeSize = array(
0x00 => 'No restrictions',
0x01 => 'All images are 256x256 pixels or smaller',
0x02 => 'All images are 64x64 pixels or smaller',
0x03 => 'All images are exactly 64x64 pixels, unless required otherwise',
);
return (isset($LookupExtendedHeaderRestrictionsImageSizeSize[$index]) ? $LookupExtendedHeaderRestrictionsImageSizeSize[$index] : '');
}
public function LookupCurrencyUnits($currencyid) {
$begin = __LINE__;
return getid3_lib::EmbeddedLookup($currencyid, $begin, __LINE__, __FILE__, 'id3v2-currency-units');
}
public function LookupCurrencyCountry($currencyid) {
$begin = __LINE__;
return getid3_lib::EmbeddedLookup($currencyid, $begin, __LINE__, __FILE__, 'id3v2-currency-country');
}
public static function LanguageLookup($languagecode, $casesensitive=false) {
if (!$casesensitive) {
$languagecode = strtolower($languagecode);
}
$begin = __LINE__;
return getid3_lib::EmbeddedLookup($languagecode, $begin, __LINE__, __FILE__, 'id3v2-languagecode');
}
public static function ETCOEventLookup($index) {
if (($index >= 0x17) && ($index <= 0xDF)) {
return 'reserved for future use';
}
if (($index >= 0xE0) && ($index <= 0xEF)) {
return 'not predefined synch 0-F';
}
if (($index >= 0xF0) && ($index <= 0xFC)) {
return 'reserved for future use';
}
static $EventLookup = array(
0x00 => 'padding (has no meaning)',
0x01 => 'end of initial silence',
0x02 => 'intro start',
0x03 => 'main part start',
0x04 => 'outro start',
0x05 => 'outro end',
0x06 => 'verse start',
0x07 => 'refrain start',
0x08 => 'interlude start',
0x09 => 'theme start',
0x0A => 'variation start',
0x0B => 'key change',
0x0C => 'time change',
0x0D => 'momentary unwanted noise (Snap, Crackle & Pop)',
0x0E => 'sustained noise',
0x0F => 'sustained noise end',
0x10 => 'intro end',
0x11 => 'main part end',
0x12 => 'verse end',
0x13 => 'refrain end',
0x14 => 'theme end',
0x15 => 'profanity',
0x16 => 'profanity end',
0xFD => 'audio end (start of silence)',
0xFE => 'audio file ends',
0xFF => 'one more byte of events follows'
);
return (isset($EventLookup[$index]) ? $EventLookup[$index] : '');
}
public static function SYTLContentTypeLookup($index) {
static $SYTLContentTypeLookup = array(
0x00 => 'other',
0x01 => 'lyrics',
0x02 => 'text transcription',
0x03 => 'movement/part name',
0x04 => 'events',
0x05 => 'chord',
0x06 => 'trivia/\'pop up\' information',
0x07 => 'URLs to webpages',
0x08 => 'URLs to images'
);
return (isset($SYTLContentTypeLookup[$index]) ? $SYTLContentTypeLookup[$index] : '');
}
public static function APICPictureTypeLookup($index, $returnarray=false) {
static $APICPictureTypeLookup = array(
0x00 => 'Other',
0x01 => '32x32 pixels \'file icon\' (PNG only)',
0x02 => 'Other file icon',
0x03 => 'Cover (front)',
0x04 => 'Cover (back)',
0x05 => 'Leaflet page',
0x06 => 'Media (e.g. label side of CD)',
0x07 => 'Lead artist/lead performer/soloist',
0x08 => 'Artist/performer',
0x09 => 'Conductor',
0x0A => 'Band/Orchestra',
0x0B => 'Composer',
0x0C => 'Lyricist/text writer',
0x0D => 'Recording Location',
0x0E => 'During recording',
0x0F => 'During performance',
0x10 => 'Movie/video screen capture',
0x11 => 'A bright coloured fish',
0x12 => 'Illustration',
0x13 => 'Band/artist logotype',
0x14 => 'Publisher/Studio logotype'
);
if ($returnarray) {
return $APICPictureTypeLookup;
}
return (isset($APICPictureTypeLookup[$index]) ? $APICPictureTypeLookup[$index] : '');
}
public static function COMRReceivedAsLookup($index) {
static $COMRReceivedAsLookup = array(
0x00 => 'Other',
0x01 => 'Standard CD album with other songs',
0x02 => 'Compressed audio on CD',
0x03 => 'File over the Internet',
0x04 => 'Stream over the Internet',
0x05 => 'As note sheets',
0x06 => 'As note sheets in a book with other sheets',
0x07 => 'Music on other media',
0x08 => 'Non-musical merchandise'
);
return (isset($COMRReceivedAsLookup[$index]) ? $COMRReceivedAsLookup[$index] : '');
}
public static function RVA2ChannelTypeLookup($index) {
static $RVA2ChannelTypeLookup = array(
0x00 => 'Other',
0x01 => 'Master volume',
0x02 => 'Front right',
0x03 => 'Front left',
0x04 => 'Back right',
0x05 => 'Back left',
0x06 => 'Front centre',
0x07 => 'Back centre',
0x08 => 'Subwoofer'
);
return (isset($RVA2ChannelTypeLookup[$index]) ? $RVA2ChannelTypeLookup[$index] : '');
}
public static function FrameNameLongLookup($framename) {
$begin = __LINE__;
return getid3_lib::EmbeddedLookup($framename, $begin, __LINE__, __FILE__, 'id3v2-framename_long');
}
public static function FrameNameShortLookup($framename) {
$begin = __LINE__;
return getid3_lib::EmbeddedLookup($framename, $begin, __LINE__, __FILE__, 'id3v2-framename_short');
}
public static function TextEncodingTerminatorLookup($encoding) {
static $TextEncodingTerminatorLookup = array(
0 => "\x00",
1 => "\x00\x00",
2 => "\x00\x00",
3 => "\x00",
255 => "\x00\x00"
);
return (isset($TextEncodingTerminatorLookup[$encoding]) ? $TextEncodingTerminatorLookup[$encoding] : "\x00");
}
public static function TextEncodingNameLookup($encoding) {
static $TextEncodingNameLookup = array(
0 => 'ISO-8859-1',
1 => 'UTF-16',
2 => 'UTF-16BE',
3 => 'UTF-8',
255 => 'UTF-16BE'
);
return (isset($TextEncodingNameLookup[$encoding]) ? $TextEncodingNameLookup[$encoding] : 'ISO-8859-1');
}
public static function RemoveStringTerminator($string, $terminator) {
if (substr($string, -strlen($terminator), strlen($terminator)) === $terminator) {
$string = substr($string, 0, -strlen($terminator));
}
return $string;
}
public static function MakeUTF16emptyStringEmpty($string) {
if (in_array($string, array("\x00", "\x00\x00", "\xFF\xFE", "\xFE\xFF"))) {
$string = '';
}
return $string;
}
public static function IsValidID3v2FrameName($framename, $id3v2majorversion) {
switch ($id3v2majorversion) {
case 2:
return preg_match('#[A-Z][A-Z0-9]{2}#', $framename);
case 3:
case 4:
return preg_match('#[A-Z][A-Z0-9]{3}#', $framename);
}
return false;
}
public static function IsANumber($numberstring, $allowdecimal=false, $allownegative=false) {
for ($i = 0; $i < strlen($numberstring); $i++) {
if ((chr($numberstring[$i]) < chr('0')) || (chr($numberstring[$i]) > chr('9'))) {
if (($numberstring[$i] == '.') && $allowdecimal) {
} elseif (($numberstring[$i] == '-') && $allownegative && ($i == 0)) {
} else {
return false;
}
}
}
return true;
}
public static function IsValidDateStampString($datestamp) {
if (strlen($datestamp) != 8) {
return false;
}
if (!self::IsANumber($datestamp, false)) {
return false;
}
$year = substr($datestamp, 0, 4);
$month = substr($datestamp, 4, 2);
$day = substr($datestamp, 6, 2);
if (($year == 0) || ($month == 0) || ($day == 0)) {
return false;
}
if ($month > 12) {
return false;
}
if ($day > 31) {
return false;
}
if (($day > 30) && (($month == 4) || ($month == 6) || ($month == 9) || ($month == 11))) {
return false;
}
if (($day > 29) && ($month == 2)) {
return false;
}
return true;
}
public static function ID3v2HeaderLength($majorversion) {
return (($majorversion == 2) ? 6 : 10);
}
public static function ID3v22iTunesBrokenFrameName($frame_name) {
static $ID3v22_iTunes_BrokenFrames = array(
'BUF' => 'RBUF',
'CNT' => 'PCNT',
'COM' => 'COMM',
'CRA' => 'AENC',
'EQU' => 'EQUA',
'ETC' => 'ETCO',
'GEO' => 'GEOB',
'IPL' => 'IPLS',
'LNK' => 'LINK',
'MCI' => 'MCDI',
'MLL' => 'MLLT',
'PIC' => 'APIC',
'POP' => 'POPM',
'REV' => 'RVRB',
'RVA' => 'RVAD',
'SLT' => 'SYLT',
'STC' => 'SYTC',
'TAL' => 'TALB',
'TBP' => 'TBPM',
'TCM' => 'TCOM',
'TCO' => 'TCON',
'TCP' => 'TCMP',
'TCR' => 'TCOP',
'TDA' => 'TDAT',
'TDY' => 'TDLY',
'TEN' => 'TENC',
'TFT' => 'TFLT',
'TIM' => 'TIME',
'TKE' => 'TKEY',
'TLA' => 'TLAN',
'TLE' => 'TLEN',
'TMT' => 'TMED',
'TOA' => 'TOPE',
'TOF' => 'TOFN',
'TOL' => 'TOLY',
'TOR' => 'TORY',
'TOT' => 'TOAL',
'TP1' => 'TPE1',
'TP2' => 'TPE2',
'TP3' => 'TPE3',
'TP4' => 'TPE4',
'TPA' => 'TPOS',
'TPB' => 'TPUB',
'TRC' => 'TSRC',
'TRD' => 'TRDA',
'TRK' => 'TRCK',
'TS2' => 'TSO2',
'TSA' => 'TSOA',
'TSC' => 'TSOC',
'TSI' => 'TSIZ',
'TSP' => 'TSOP',
'TSS' => 'TSSE',
'TST' => 'TSOT',
'TT1' => 'TIT1',
'TT2' => 'TIT2',
'TT3' => 'TIT3',
'TXT' => 'TEXT',
'TXX' => 'TXXX',
'TYE' => 'TYER',
'UFI' => 'UFID',
'ULT' => 'USLT',
'WAF' => 'WOAF',
'WAR' => 'WOAR',
'WAS' => 'WOAS',
'WCM' => 'WCOM',
'WCP' => 'WCOP',
'WPB' => 'WPUB',
'WXX' => 'WXXX',
);
if (strlen($frame_name) == 4) {
if ((substr($frame_name, 3, 1) == ' ') || (substr($frame_name, 3, 1) == "\x00")) {
if (isset($ID3v22_iTunes_BrokenFrames[substr($frame_name, 0, 3)])) {
return $ID3v22_iTunes_BrokenFrames[substr($frame_name, 0, 3)];
}
}
}
return false;
}
}