}
fseek($fd, $id3v2dataoffset, SEEK_SET);
$sizeofframes = $id3info['id3']['id3v2']['headerlength'] - ID3v2HeaderLength($id3info['id3']['id3v2']['majorversion']);
if (isset($id3info['id3']['id3v2']['extheaderlength'])) {
$sizeofframes -= $id3info['id3']['id3v2']['extheaderlength'];
}
if (isset($id3info['id3']['id3v2']['flags']['isfooter']) && $id3info['id3']['id3v2']['flags']['isfooter']) {
$sizeofframes -= 10;
// footer takes last 10 bytes of ID3v2 header, after frame data, before audio
}
if ($sizeofframes > 0) {
$framedata = fread($fd, $sizeofframes);
// read all frames from file into $framedata variable
// if entire frame data is unsynched, de-unsynch it now (ID3v2.3.x)
if (isset($id3info['id3']['id3v2']['flags']['unsynch']) && $id3info['id3']['id3v2']['flags']['unsynch'] && $id3info['id3']['id3v2']['majorversion'] <= 3) {
$framedata = DeUnSynchronise($framedata);
}
$framedata = substr($framedata, $frameoffset - 10);
// minus length of 10-byte ID3v2 header
if ($id3info['id3']['id3v2']['majorversion'] == 2) {
$frame_header = substr($framedata, 0, 6);
// take next 6 bytes for header
$framedata = substr($framedata, 6);
// and leave the rest in $framedata
$frame_name = substr($frame_header, 0, 3);
$frame_size = BigEndian2Int(substr($frame_header, 3, 3), 0);
$frame_flags = '';
// not used for anything, just to avoid E_NOTICEs
} else {
if ($id3info['id3']['id3v2']['majorversion'] > 2) {
$frame_header = substr($framedata, 0, 10);
function getID3v2Filepointer(&$fd, &$ThisFileInfo)
{
// Overall tag structure:
// +-----------------------------+
// | Header (10 bytes) |
// +-----------------------------+
// | Extended Header |
// | (variable length, OPTIONAL) |
// +-----------------------------+
// | Frames (variable length) |
// +-----------------------------+
// | Padding |
// | (variable length, OPTIONAL) |
// +-----------------------------+
// | Footer (10 bytes, OPTIONAL) |
// +-----------------------------+
// Header
// ID3v2/file identifier "ID3"
// ID3v2 version $04 00
// ID3v2 flags (%ab000000 in v2.2, %abc00000 in v2.3, %abcd0000 in v2.4.x)
// ID3v2 size 4 * %0xxxxxxx
rewind($fd);
$header = fread($fd, 10);
if (substr($header, 0, 3) == 'ID3') {
$ThisFileInfo['id3v2']['header'] = true;
$ThisFileInfo['id3v2']['majorversion'] = ord($header[3]);
$ThisFileInfo['id3v2']['minorversion'] = ord($header[4]);
} else {
return false;
}
if ($ThisFileInfo['id3v2']['majorversion'] > 4) {
// this script probably won't correctly parse ID3v2.5.x and above.
$ThisFileInfo['error'] .= "\n" . 'this script only parses up to ID3v2.4.x - this tag is ID3v2.' . $ThisFileInfo['id3v2']['majorversion'] . '.' . $ThisFileInfo['id3v2']['minorversion'];
return false;
}
$id3_flags = BigEndian2Bin($header[5]);
switch ($ThisFileInfo['id3v2']['majorversion']) {
case 2:
// %ab000000 in v2.2
$ThisFileInfo['id3v2']['flags']['unsynch'] = $id3_flags[0];
// a - Unsynchronisation
$ThisFileInfo['id3v2']['flags']['compression'] = $id3_flags[1];
// b - Compression
break;
case 3:
// %abc00000 in v2.3
$ThisFileInfo['id3v2']['flags']['unsynch'] = $id3_flags[0];
// a - Unsynchronisation
$ThisFileInfo['id3v2']['flags']['exthead'] = $id3_flags[1];
// b - Extended header
$ThisFileInfo['id3v2']['flags']['experim'] = $id3_flags[2];
// c - Experimental indicator
break;
case 4:
// %abcd0000 in v2.4
$ThisFileInfo['id3v2']['flags']['unsynch'] = $id3_flags[0];
// a - Unsynchronisation
$ThisFileInfo['id3v2']['flags']['exthead'] = $id3_flags[1];
// b - Extended header
$ThisFileInfo['id3v2']['flags']['experim'] = $id3_flags[2];
// c - Experimental indicator
$ThisFileInfo['id3v2']['flags']['isfooter'] = $id3_flags[3];
// d - Footer present
break;
}
$ThisFileInfo['id3v2']['headerlength'] = BigEndian2Int(substr($header, 6, 4), 1) + ID3v2HeaderLength($ThisFileInfo['id3v2']['majorversion']);
// Extended Header
if (isset($ThisFileInfo['id3v2']['flags']['exthead']) && $ThisFileInfo['id3v2']['flags']['exthead']) {
// Extended header size 4 * %0xxxxxxx
// Number of flag bytes $01
// Extended Flags $xx
// Where the 'Extended header size' is the size of the whole extended header, stored as a 32 bit synchsafe integer.
$extheader = fread($fd, 4);
$ThisFileInfo['id3v2']['extheaderlength'] = BigEndian2Int($extheader, 1);
// The extended flags field, with its size described by 'number of flag bytes', is defined as:
// %0bcd0000
// b - Tag is an update
// Flag data length $00
// c - CRC data present
// Flag data length $05
// Total frame CRC 5 * %0xxxxxxx
// d - Tag restrictions
// Flag data length $01
$extheaderflagbytes = fread($fd, 1);
$extheaderflags = fread($fd, $extheaderflagbytes);
$id3_exthead_flags = BigEndian2Bin(substr($header, 5, 1));
$ThisFileInfo['id3v2']['exthead_flags']['update'] = substr($id3_exthead_flags, 1, 1);
$ThisFileInfo['id3v2']['exthead_flags']['CRC'] = substr($id3_exthead_flags, 2, 1);
if ($ThisFileInfo['id3v2']['exthead_flags']['CRC']) {
$extheaderrawCRC = fread($fd, 5);
$ThisFileInfo['id3v2']['exthead_flags']['CRC'] = BigEndian2Int($extheaderrawCRC, 1);
}
$ThisFileInfo['id3v2']['exthead_flags']['restrictions'] = substr($id3_exthead_flags, 3, 1);
if ($ThisFileInfo['id3v2']['exthead_flags']['restrictions']) {
// Restrictions %ppqrrstt
$extheaderrawrestrictions = fread($fd, 1);
$ThisFileInfo['id3v2']['exthead_flags']['restrictions_tagsize'] = (bindec('11000000') & ord($extheaderrawrestrictions)) >> 6;
// p - Tag size restrictions
$ThisFileInfo['id3v2']['exthead_flags']['restrictions_textenc'] = (bindec('00100000') & ord($extheaderrawrestrictions)) >> 5;
// q - Text encoding restrictions
$ThisFileInfo['id3v2']['exthead_flags']['restrictions_textsize'] = (bindec('00011000') & ord($extheaderrawrestrictions)) >> 3;
// r - Text fields size restrictions
$ThisFileInfo['id3v2']['exthead_flags']['restrictions_imgenc'] = (bindec('00000100') & ord($extheaderrawrestrictions)) >> 2;
// s - Image encoding restrictions
$ThisFileInfo['id3v2']['exthead_flags']['restrictions_imgsize'] = (bindec('00000011') & ord($extheaderrawrestrictions)) >> 0;
// t - Image size restrictions
}
}
// end extended header
// Frames
// All ID3v2 frames consists of one frame header followed by one or more
// fields containing the actual information. The header is always 10
// bytes and laid out as follows:
//
// Frame ID $xx xx xx xx (four characters)
// Size 4 * %0xxxxxxx
// Flags $xx xx
$sizeofframes = $ThisFileInfo['id3v2']['headerlength'] - ID3v2HeaderLength($ThisFileInfo['id3v2']['majorversion']);
if (isset($ThisFileInfo['id3v2']['extheaderlength'])) {
$sizeofframes -= $ThisFileInfo['id3v2']['extheaderlength'];
}
if (isset($ThisFileInfo['id3v2']['flags']['isfooter']) && $ThisFileInfo['id3v2']['flags']['isfooter']) {
$sizeofframes -= 10;
// footer takes last 10 bytes of ID3v2 header, after frame data, before audio
}
if ($sizeofframes > 0) {
$framedata = fread($fd, $sizeofframes);
// read all frames from file into $framedata variable
// if entire frame data is unsynched, de-unsynch it now (ID3v2.3.x)
if (isset($ThisFileInfo['id3v2']['flags']['unsynch']) && $ThisFileInfo['id3v2']['flags']['unsynch'] && $ThisFileInfo['id3v2']['majorversion'] <= 3) {
$framedata = DeUnSynchronise($framedata);
}
// [in ID3v2.4.0] Unsynchronisation [S:6.1] is done on frame level, instead
// of on tag level, making it easier to skip frames, increasing the streamability
// of the tag. The unsynchronisation flag in the header [S:3.1] indicates that
// there exists an unsynchronised frame, while the new unsynchronisation flag in
// the frame header [S:4.1.2] indicates unsynchronisation.
$framedataoffset = 10;
// how many bytes into the stream - start from after the 10-byte header
while (isset($framedata) && strlen($framedata) > 0) {
// cycle through until no more frame data is left to parse
if (strlen($framedata) < ID3v2HeaderLength($ThisFileInfo['id3v2']['majorversion'])) {
// insufficient room left in ID3v2 header for actual data - must be padding
$ThisFileInfo['id3v2']['padding']['start'] = $framedataoffset;
$ThisFileInfo['id3v2']['padding']['length'] = strlen($framedata);
$ThisFileInfo['id3v2']['padding']['valid'] = true;
for ($i = 0; $i < $ThisFileInfo['id3v2']['padding']['length']; $i++) {
if (substr($framedata, $i, 1) != chr(0)) {
$ThisFileInfo['id3v2']['padding']['valid'] = false;
$ThisFileInfo['id3v2']['padding']['errorpos'] = $ThisFileInfo['id3v2']['padding']['start'] + $i;
$ThisFileInfo['warning'] .= "\n" . 'Invalid ID3v2 padding found at offset ' . $ThisFileInfo['id3v2']['padding']['errorpos'];
break;
}
}
break;
// skip rest of ID3v2 header
}
if ($ThisFileInfo['id3v2']['majorversion'] == 2) {
// Frame ID $xx xx xx (three characters)
// Size $xx xx xx (24-bit integer)
// Flags $xx xx
$frame_header = substr($framedata, 0, 6);
// take next 6 bytes for header
$framedata = substr($framedata, 6);
// and leave the rest in $framedata
$frame_name = substr($frame_header, 0, 3);
$frame_size = BigEndian2Int(substr($frame_header, 3, 3), 0);
$frame_flags = '';
// not used for anything, just to avoid E_NOTICEs
} elseif ($ThisFileInfo['id3v2']['majorversion'] > 2) {
// Frame ID $xx xx xx xx (four characters)
// Size $xx xx xx xx (32-bit integer in v2.3, 28-bit synchsafe in v2.4+)
// Flags $xx xx
$frame_header = substr($framedata, 0, 10);
// take next 10 bytes for header
$framedata = substr($framedata, 10);
// and leave the rest in $framedata
$frame_name = substr($frame_header, 0, 4);
if ($ThisFileInfo['id3v2']['majorversion'] == 3) {
$frame_size = BigEndian2Int(substr($frame_header, 4, 4), 0);
// 32-bit integer
} else {
// ID3v2.4+
$frame_size = BigEndian2Int(substr($frame_header, 4, 4), 1);
// 32-bit synchsafe integer (28-bit value)
}
if ($frame_size < strlen($framedata) + 4) {
$nextFrameID = substr($framedata, $frame_size, 4);
if (IsValidID3v2FrameName($nextFrameID, $ThisFileInfo['id3v2']['majorversion'])) {
// next frame is OK
} elseif ($frame_name == chr(0) . 'MP3' || $frame_name == chr(0) . chr(0) . 'MP' || $frame_name == ' MP3' || $frame_name == 'MP3e') {
// MP3ext known broken frames - "ok" for the purposes of this test
} elseif ($ThisFileInfo['id3v2']['majorversion'] == 4 && IsValidID3v2FrameName(substr($framedata, BigEndian2Int(substr($frame_header, 4, 4), 0), 4), 3)) {
$ThisFileInfo['warning'] .= "\n" . 'ID3v2 tag written as ID3v2.4, but with non-synchsafe integers (ID3v2.3 style). Older versions of Helium2 (www.helium2.com) is a known culprit of this. Tag has been parsed as ID3v2.3';
$ThisFileInfo['id3v2']['majorversion'] = 3;
$frame_size = BigEndian2Int(substr($frame_header, 4, 4), 0);
// 32-bit integer
}
}
$frame_flags = BigEndian2Bin(substr($frame_header, 8, 2));
}
if ($ThisFileInfo['id3v2']['majorversion'] == 2 && $frame_name == chr(0) . chr(0) . chr(0) || $frame_name == chr(0) . chr(0) . chr(0) . chr(0)) {
// padding encountered
$ThisFileInfo['id3v2']['padding']['start'] = $framedataoffset;
$ThisFileInfo['id3v2']['padding']['length'] = strlen($framedata);
$ThisFileInfo['id3v2']['padding']['valid'] = true;
for ($i = 0; $i < $ThisFileInfo['id3v2']['padding']['length']; $i++) {
if (substr($framedata, $i, 1) != chr(0)) {
$ThisFileInfo['id3v2']['padding']['valid'] = false;
$ThisFileInfo['id3v2']['padding']['errorpos'] = $ThisFileInfo['id3v2']['padding']['start'] + $i;
$ThisFileInfo['warning'] .= "\n" . 'Invalid ID3v2 padding found at offset ' . $ThisFileInfo['id3v2']['padding']['errorpos'];
break;
}
}
break;
// skip rest of ID3v2 header
}
if ($frame_name == 'COM ') {
$ThisFileInfo['warning'] .= "\n" . 'error parsing "' . $frame_name . '" (' . $framedataoffset . ' bytes into the ID3v2.' . $ThisFileInfo['id3v2']['majorversion'] . ' tag). (ERROR: !IsValidID3v2FrameName("' . str_replace(chr(0), ' ', $frame_name) . '", ' . $ThisFileInfo['id3v2']['majorversion'] . '))). [Note: this particular error has been known to happen with tags edited by iTunes (versions "X v2.0.3", "v3.0.1" are known-guilty, probably others too)]';
$frame_name = 'COMM';
}
if ($frame_size <= strlen($framedata) && IsValidID3v2FrameName($frame_name, $ThisFileInfo['id3v2']['majorversion'])) {
$ThisFileInfo['id3v2']["{$frame_name}"]['data'] = substr($framedata, 0, $frame_size);
$ThisFileInfo['id3v2']["{$frame_name}"]['datalength'] = CastAsInt($frame_size);
$ThisFileInfo['id3v2']["{$frame_name}"]['dataoffset'] = $framedataoffset;
$framedata = substr($framedata, $frame_size);
// in getid3.frames.php - this function does all the FrameID-level parsing
ID3v2FrameProcessing($frame_name, $frame_flags, $ThisFileInfo);
} else {
// invalid frame length or FrameID
if ($frame_size <= strlen($framedata)) {
if (IsValidID3v2FrameName(substr($framedata, $frame_size, 4), $ThisFileInfo['id3v2']['majorversion'])) {
// next frame is valid, just skip the current frame
$framedata = substr($framedata, $frame_size);
$InvalidFrameMessageType = 'warning';
$InvalidFrameMessageText = ' Next frame is valid, skipping current frame.';
} else {
// next frame is invalid too, abort processing
unset($framedata);
$InvalidFrameMessageType = 'error';
$InvalidFrameMessageText = ' Next frame is also invalid, aborting processing.';
}
} elseif ($frame_size == strlen($framedata)) {
// this is the last frame, just skip
$InvalidFrameMessageType = 'warning';
$InvalidFrameMessageText = ' This was the last frame.';
} else {
// next frame is invalid too, abort processing
unset($framedata);
$InvalidFrameMessageType = 'error';
$InvalidFrameMessageText = ' Invalid frame size, aborting.';
}
if (!IsValidID3v2FrameName($frame_name, $ThisFileInfo['id3v2']['majorversion'])) {
switch ($frame_name) {
case chr(0) . chr(0) . 'MP':
case chr(0) . 'MP3':
case ' MP3':
case 'MP3e':
case chr(0) . 'MP':
case ' MP':
case 'MP3':
$InvalidFrameMessageType = 'warning';
$ThisFileInfo["{$InvalidFrameMessageType}"] .= "\n" . 'error parsing "' . $frame_name . '" (' . $framedataoffset . ' bytes into the ID3v2.' . $ThisFileInfo['id3v2']['majorversion'] . ' tag). (ERROR: !IsValidID3v2FrameName("' . str_replace(chr(0), ' ', $frame_name) . '", ' . $ThisFileInfo['id3v2']['majorversion'] . '))). [Note: this particular error has been known to happen with tags edited by "MP3ext (www.mutschler.de/mp3ext/)"]';
break;
default:
$ThisFileInfo["{$InvalidFrameMessageType}"] .= "\n" . 'error parsing "' . $frame_name . '" (' . $framedataoffset . ' bytes into the ID3v2.' . $ThisFileInfo['id3v2']['majorversion'] . ' tag). (ERROR: !IsValidID3v2FrameName("' . str_replace(chr(0), ' ', $frame_name) . '", ' . $ThisFileInfo['id3v2']['majorversion'] . '))).';
break;
}
} elseif ($frame_size > strlen($framedata)) {
$ThisFileInfo["{$InvalidFrameMessageType}"] .= "\n" . 'error parsing "' . $frame_name . '" (' . $framedataoffset . ' bytes into the ID3v2.' . $ThisFileInfo['id3v2']['majorversion'] . ' tag). (ERROR: $frame_size (' . $frame_size . ') > strlen($framedata) (' . strlen($framedata) . ')).';
} else {
$ThisFileInfo["{$InvalidFrameMessageType}"] .= "\n" . 'error parsing "' . $frame_name . '" (' . $framedataoffset . ' bytes into the ID3v2.' . $ThisFileInfo['id3v2']['majorversion'] . ' tag).';
}
$ThisFileInfo["{$InvalidFrameMessageType}"] .= $InvalidFrameMessageText;
}
$framedataoffset += $frame_size + ID3v2HeaderLength($ThisFileInfo['id3v2']['majorversion']);
}
}
// Footer
// The footer is a copy of the header, but with a different identifier.
// ID3v2 identifier "3DI"
// ID3v2 version $04 00
// ID3v2 flags %abcd0000
// ID3v2 size 4 * %0xxxxxxx
if (isset($ThisFileInfo['id3v2']['flags']['isfooter']) && $ThisFileInfo['id3v2']['flags']['isfooter']) {
$footer = fread($fd, 10);
if (substr($footer, 0, 3) == '3DI') {
$ThisFileInfo['id3v2']['footer'] = true;
$ThisFileInfo['id3v2']['majorversion_footer'] = ord(substr($footer, 3, 1));
$ThisFileInfo['id3v2']['minorversion_footer'] = ord(substr($footer, 4, 1));
}
if ($ThisFileInfo['id3v2']['majorversion_footer'] <= 4) {
$id3_flags = BigEndian2Bin(substr($footer, 5, 1));
$ThisFileInfo['id3v2']['flags']['unsynch_footer'] = substr($id3_flags, 0, 1);
$ThisFileInfo['id3v2']['flags']['extfoot_footer'] = substr($id3_flags, 1, 1);
$ThisFileInfo['id3v2']['flags']['experim_footer'] = substr($id3_flags, 2, 1);
$ThisFileInfo['id3v2']['flags']['isfooter_footer'] = substr($id3_flags, 3, 1);
$ThisFileInfo['id3v2']['footerlength'] = BigEndian2Int(substr($footer, 6, 4), 1);
}
}
// end footer
if (isset($ThisFileInfo['id3v2']['comments']['genre'])) {
foreach ($ThisFileInfo['id3v2']['comments']['genre'] as $key => $value) {
unset($ThisFileInfo['id3v2']['comments']['genre'][$key]);
$ThisFileInfo['id3v2']['comments'] = array_merge_noclobber($ThisFileInfo['id3v2']['comments'], ParseID3v2GenreString($value));
}
}
if (isset($ThisFileInfo['id3v2']['comments']['track'])) {
foreach ($ThisFileInfo['id3v2']['comments']['track'] as $key => $value) {
if (strstr($value, '/')) {
list($ThisFileInfo['id3v2']['comments']['track'][$key], $ThisFileInfo['id3v2']['comments']['totaltracks'][$key]) = explode('/', $ThisFileInfo['id3v2']['comments']['track'][$key]);
}
// Convert track number to integer (ID3v2 track numbers could be returned as a
// string ('03' for example) - this will ensure all track numbers are integers
$ThisFileInfo['id3v2']['comments']['track'][$key] = intval($ThisFileInfo['id3v2']['comments']['track'][$key]);
}
}
return true;
}
function ID3v2FrameProcessing($frame_name, $frame_flags, &$MP3fileInfo)
{
// define $frame_arrayindex once here (used for many frames), override or ignore as neccesary
$frame_arrayindex = count($MP3fileInfo['id3']['id3v2']["{$frame_name}"]);
// 'data', 'datalength'
if (isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'])) {
$frame_arrayindex--;
}
if (isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'])) {
$frame_arrayindex--;
}
if (isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'])) {
$frame_arrayindex--;
}
if (isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'])) {
$frame_arrayindex--;
}
if (isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['timestampformat'])) {
$frame_arrayindex--;
}
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
// frame flags are not part of the ID3v2.2 standard
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 3) {
// Frame Header Flags
// %abc00000 %ijk00000
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['TagAlterPreservation'] = (bool) substr($frame_flags, 0, 1);
// a - Tag alter preservation
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['FileAlterPreservation'] = (bool) substr($frame_flags, 1, 1);
// b - File alter preservation
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['ReadOnly'] = (bool) substr($frame_flags, 2, 1);
// c - Read only
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['compression'] = (bool) substr($frame_flags, 8, 1);
// i - Compression
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['Encryption'] = (bool) substr($frame_flags, 9, 1);
// j - Encryption
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['GroupingIdentity'] = (bool) substr($frame_flags, 10, 1);
// k - Grouping identity
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 4) {
// Frame Header Flags
// %0abc0000 %0h00kmnp
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['TagAlterPreservation'] = (bool) substr($frame_flags, 1, 1);
// a - Tag alter preservation
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['FileAlterPreservation'] = (bool) substr($frame_flags, 2, 1);
// b - File alter preservation
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['ReadOnly'] = (bool) substr($frame_flags, 3, 1);
// c - Read only
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['GroupingIdentity'] = (bool) substr($frame_flags, 9, 1);
// h - Grouping identity
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['compression'] = (bool) substr($frame_flags, 12, 1);
// k - Compression
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['Encryption'] = (bool) substr($frame_flags, 13, 1);
// m - Encryption
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['Unsynchronisation'] = (bool) substr($frame_flags, 14, 1);
// n - Unsynchronisation
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['DataLengthIndicator'] = (bool) substr($frame_flags, 15, 1);
// p - Data length indicator
}
}
// Frame-level de-unsynchronization - ID3v2.4
if (isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['Unsynchronisation'])) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = DeUnSynchronise($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
}
// Frame-level de-compression
if (isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['compression'])) {
// it's on the wishlist :)
}
}
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'UFID' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'UFI') {
// 4.1 UFI Unique file identifier
// There may be more than one 'UFID' frame in a tag,
// but only one with the same 'Owner identifier'.
// <Header for 'Unique file identifier', ID: 'UFID'>
// Owner identifier <text string> $00
// Identifier <up to 64 bytes binary data>
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0));
$frame_idstring = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], 0, $frame_terminatorpos);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['ownerid'] = $frame_idstring;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(chr(0)));
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'TXXX' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'TXX') {
// 4.2.2 TXX User defined text information frame
// There may be more than one 'TXXX' frame in each tag,
// but only one with the same description.
// <Header for 'User defined text information frame', ID: 'TXXX'>
// Text encoding $xx
// Description <text string according to encoding> $00 (00)
// Value <text string according to encoding>
$frame_offset = 0;
$frame_textencoding = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], TextEncodingLookup('terminator', $frame_textencoding), $frame_offset);
if (ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)), 1)) === 0) {
$frame_terminatorpos++;
// strpos() fooled because 2nd byte of Unicode chars are often 0x00
}
$frame_description = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_description) === 0) {
$frame_description = '';
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encodingid'] = $frame_textencoding;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encoding'] = TextEncodingLookup('encoding', $frame_textencoding);
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['description'] = $frame_description;
if (!isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression']) || $MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['asciidescription'] = RoughTranslateUnicodeToASCII($frame_description, $frame_textencoding);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)));
if (!isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression']) || $MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['asciidata'] = RoughTranslateUnicodeToASCII($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data'], $frame_textencoding);
}
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($frame_name[0] == 'T') {
// 4.2. T??[?] Text information frame
// There may only be one text information frame of its kind in an tag.
// <Header for 'Text information frame', ID: 'T000' - 'TZZZ',
// excluding 'TXXX' described in 4.2.6.>
// Text encoding $xx
// Information <text string(s) according to encoding>
$frame_offset = 0;
$frame_textencoding = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
// $MP3fileInfo['id3']['id3v2']["$frame_name"]['data'] = substr($MP3fileInfo['id3']['id3v2']["$frame_name"]['data'], $frame_offset);
// this one-line method should work, but as a safeguard against null-padded data, do it the safe way
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], TextEncodingLookup('terminator', $frame_textencoding), $frame_offset);
if (ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)), 1)) === 0) {
$frame_terminatorpos++;
// strpos() fooled because 2nd byte of Unicode chars are often 0x00
}
if ($frame_terminatorpos) {
// there are null bytes after the data - this is not according to spec
// only use data up to first null byte
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
} else {
// no null bytes following data, just use all data
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
}
if (!isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['compression']) || !$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['compression']) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['asciidata'] = RoughTranslateUnicodeToASCII($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_textencoding);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['encodingid'] = $frame_textencoding;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['encoding'] = TextEncodingLookup('encoding', $frame_textencoding);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'WXXX' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'WXX') {
// 4.3.2 WXX User defined URL link frame
// There may be more than one 'WXXX' frame in each tag,
// but only one with the same description
// <Header for 'User defined URL link frame', ID: 'WXXX'>
// Text encoding $xx
// Description <text string according to encoding> $00 (00)
// URL <text string>
$frame_offset = 0;
$frame_textencoding = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], TextEncodingLookup('terminator', $frame_textencoding), $frame_offset);
if (ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)), 1)) === 0) {
$frame_terminatorpos++;
// strpos() fooled because 2nd byte of Unicode chars are often 0x00
}
$frame_description = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_description) === 0) {
$frame_description = '';
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], TextEncodingLookup('terminator', $frame_textencoding));
if (ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)), 1)) === 0) {
$frame_terminatorpos++;
// strpos() fooled because 2nd byte of Unicode chars are often 0x00
}
if ($frame_terminatorpos) {
// there are null bytes after the data - this is not according to spec
// only use data up to first null byte
$frame_urldata = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], 0, $frame_terminatorpos);
} else {
// no null bytes following data, just use all data
$frame_urldata = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'];
}
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encodingid'] = $frame_textencoding;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encoding'] = TextEncodingLookup('encoding', $frame_textencoding);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['url'] = $frame_urldata;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['description'] = $frame_description;
if (!isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression']) || $MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['asciidescription'] = RoughTranslateUnicodeToASCII($frame_description, $frame_textencoding);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($frame_name[0] == 'W') {
// 4.3. W??? URL link frames
// There may only be one URL link frame of its kind in a tag,
// except when stated otherwise in the frame description
// <Header for 'URL link frame', ID: 'W000' - 'WZZZ', excluding 'WXXX'
// described in 4.3.2.>
// URL <text string>
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['url'] = trim($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 3 && $frame_name == 'IPLS' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'IPL') {
// 4.4 IPL Involved people list (ID3v2.2 only)
// There may only be one 'IPL' frame in each tag
// <Header for 'User defined URL link frame', ID: 'IPL'>
// Text encoding $xx
// People list strings <textstrings>
$frame_offset = 0;
$frame_textencoding = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['encodingid'] = $frame_textencoding;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['encoding'] = TextEncodingLookup('encoding', $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['encodingid']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['asciidata'] = RoughTranslateUnicodeToASCII($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_textencoding);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'MCDI' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'MCI') {
// 4.5 MCI Music CD identifier
// There may only be one 'MCDI' frame in each tag
// <Header for 'Music CD identifier', ID: 'MCDI'>
// CD TOC <binary data>
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
// no other special processing needed
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'ETCO' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'ETC') {
// 4.6 ETC Event timing codes
// There may only be one 'ETCO' frame in each tag
// <Header for 'Event timing codes', ID: 'ETCO'>
// Time stamp format $xx
// Where time stamp format is:
// $01 (32-bit value) MPEG frames from beginning of file
// $02 (32-bit value) milliseconds from beginning of file
// Followed by a list of key events in the following format:
// Type of event $xx
// Time stamp $xx (xx ...)
// The 'Time stamp' is set to zero if directly at the beginning of the sound
// or after the previous event. All events MUST be sorted in chronological order.
$frame_offset = 0;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['timestampformat'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
while ($frame_offset < strlen($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'])) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['typeid'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['type'] = ETCOEventLookup($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['typeid']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['timestamp'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 4));
$frame_offset += 4;
}
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'MLLT' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'MLL') {
// 4.7 MLL MPEG location lookup table
// There may only be one 'MLLT' frame in each tag
// <Header for 'Location lookup table', ID: 'MLLT'>
// MPEG frames between reference $xx xx
// Bytes between reference $xx xx xx
// Milliseconds between reference $xx xx xx
// Bits for bytes deviation $xx
// Bits for milliseconds dev. $xx
// Then for every reference the following data is included;
// Deviation in bytes %xxx....
// Deviation in milliseconds %xxx....
$frame_offset = 0;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framesbetweenreferences'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], 0, 2));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bytesbetweenreferences'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], 2, 3));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['msbetweenreferences'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], 5, 3));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bitsforbytesdeviation'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], 8, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bitsformsdeviation'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], 9, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], 10);
while ($frame_offset < strlen($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'])) {
$deviationbitstream .= BigEndian2Bin(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
}
while (strlen($deviationbitstream)) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['bytedeviation'] = bindec(substr($deviationbitstream, 0, $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bitsforbytesdeviation']));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['msdeviation'] = bindec(substr($deviationbitstream, $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bitsforbytesdeviation'], $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bitsformsdeviation']));
$deviationbitstream = substr($deviationbitstream, $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bitsforbytesdeviation'] + $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bitsformsdeviation']);
$frame_arrayindex++;
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'SYTC' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'STC') {
// 4.8 STC Synchronised tempo codes
// There may only be one 'SYTC' frame in each tag
// <Header for 'Synchronised tempo codes', ID: 'SYTC'>
// Time stamp format $xx
// Tempo data <binary data>
// Where time stamp format is:
// $01 (32-bit value) MPEG frames from beginning of file
// $02 (32-bit value) milliseconds from beginning of file
$frame_offset = 0;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['timestampformat'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
while ($frame_offset < strlen($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'])) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['tempo'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
if ($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['tempo'] == 255) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['tempo'] += ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['timestamp'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 4));
$frame_offset += 4;
$frame_arrayindex++;
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'USLT' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'ULT') {
// 4.9 ULT Unsynchronised lyric/text transcription
// There may be more than one 'Unsynchronised lyrics/text transcription' frame
// in each tag, but only one with the same language and content descriptor.
// <Header for 'Unsynchronised lyrics/text transcription', ID: 'USLT'>
// Text encoding $xx
// Language $xx xx xx
// Content descriptor <text string according to encoding> $00 (00)
// Lyrics/text <full text string according to encoding>
$frame_offset = 0;
$frame_textencoding = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_language = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 3);
$frame_offset += 3;
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], TextEncodingLookup('terminator', $frame_textencoding), $frame_offset);
if (ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)), 1)) === 0) {
$frame_terminatorpos++;
// strpos() fooled because 2nd byte of Unicode chars are often 0x00
}
$frame_description = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_description) === 0) {
$frame_description = '';
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encodingid'] = $frame_textencoding;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encoding'] = TextEncodingLookup('encoding', $frame_textencoding);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'];
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['language'] = $frame_language;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['languagename'] = LanguageLookup($frame_language, FALSE);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['description'] = $frame_description;
if (!isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression']) || $MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['asciidescription'] = RoughTranslateUnicodeToASCII($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['description'], $frame_textencoding);
}
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
if (!isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression']) || $MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['asciidata'] = RoughTranslateUnicodeToASCII($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data'], $frame_textencoding);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'SYLT' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'SLT') {
// 4.10 SLT Synchronised lyric/text
// There may be more than one 'SYLT' frame in each tag,
// but only one with the same language and content descriptor.
// <Header for 'Synchronised lyrics/text', ID: 'SYLT'>
// Text encoding $xx
// Language $xx xx xx
// Time stamp format $xx
// $01 (32-bit value) MPEG frames from beginning of file
// $02 (32-bit value) milliseconds from beginning of file
// Content type $xx
// Content descriptor <text string according to encoding> $00 (00)
// Terminated text to be synced (typically a syllable)
// Sync identifier (terminator to above string) $00 (00)
// Time stamp $xx (xx ...)
$frame_offset = 0;
$frame_textencoding = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_language = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 3);
$frame_offset += 3;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['timestampformat'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['contenttypeid'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['contenttype'] = SYTLContentTypeLookup($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['contenttypeid']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encodingid'] = $frame_textencoding;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encoding'] = TextEncodingLookup('encoding', $frame_textencoding);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['language'] = $frame_language;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['languagename'] = LanguageLookup($frame_language, FALSE);
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
$timestampindex = 0;
$frame_remainingdata = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
while (strlen($frame_remainingdata)) {
$frame_offset = 0;
$frame_terminatorpos = strpos($frame_remainingdata, TextEncodingLookup('terminator', $frame_textencoding));
if ($frame_terminatorpos === FALSE) {
$frame_remainingdata = '';
} else {
if (ord(substr($frame_remainingdata, $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)), 1)) === 0) {
$frame_terminatorpos++;
// strpos() fooled because 2nd byte of Unicode chars are often 0x00
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data']["{$timestampindex}"]['data'] = substr($frame_remainingdata, $frame_offset, $frame_terminatorpos - $frame_offset);
if (!isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression']) || $MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data']["{$timestampindex}"]['asciidata'] = RoughTranslateUnicodeToASCII($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data']["{$timestampindex}"]['data'], $frame_textencoding);
}
$frame_remainingdata = substr($frame_remainingdata, $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)));
if ($timestampindex == 0 && ord($frame_remainingdata[0]) != 0) {
// timestamp probably omitted for first data item
} else {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data']["{$timestampindex}"]['timestamp'] = BigEndian2Int(substr($frame_remainingdata, 0, 4));
$frame_remainingdata = substr($frame_remainingdata, 4);
}
$timestampindex++;
}
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'COMM' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'COM') {
// 4.11 COM Comments
// There may be more than one comment frame in each tag,
// but only one with the same language and content descriptor.
// <Header for 'Comment', ID: 'COMM'>
// Text encoding $xx
// Language $xx xx xx
// Short content descrip. <text string according to encoding> $00 (00)
// The actual text <full text string according to encoding>
$frame_offset = 0;
$frame_textencoding = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_language = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 3);
$frame_offset += 3;
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], TextEncodingLookup('terminator', $frame_textencoding), $frame_offset);
if (ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)), 1)) === 0) {
$frame_terminatorpos++;
// strpos() fooled because 2nd byte of Unicode chars are often 0x00
}
$frame_description = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_description) === 0) {
$frame_description = '';
}
$frame_text = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encodingid'] = $frame_textencoding;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encoding'] = TextEncodingLookup('encoding', $frame_textencoding);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['language'] = $frame_language;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['languagename'] = LanguageLookup($frame_language, FALSE);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['description'] = $frame_description;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data'] = $frame_text;
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
if (!isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression']) || $MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['asciidescription'] = RoughTranslateUnicodeToASCII($frame_description, $frame_textencoding);
}
if (!isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression']) || $MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['asciidata'] = RoughTranslateUnicodeToASCII($frame_text, $frame_textencoding);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 4 && $frame_name == 'RVA2') {
// 4.11 RVA2 Relative volume adjustment (2) (ID3v2.4+ only)
// There may be more than one 'RVA2' frame in each tag,
// but only one with the same identification string
// <Header for 'Relative volume adjustment (2)', ID: 'RVA2'>
// Identification <text string> $00
// The 'identification' string is used to identify the situation and/or
// device where this adjustment should apply. The following is then
// repeated for every channel:
// Type of channel $xx
// Volume adjustment $xx xx
// Bits representing peak $xx
// Peak volume $xx (xx ...)
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0));
$frame_idstring = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], 0, $frame_terminatorpos);
if (ord($frame_idstring) === 0) {
$frame_idstring = '';
}
$frame_remainingdata = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(chr(0)));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['description'] = $frame_idstring;
while (strlen($frame_remainingdata)) {
$frame_offset = 0;
$frame_channeltypeid = substr($frame_remainingdata, $frame_offset++, 1);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]["{$frame_channeltypeid}"]['channeltypeid'] = $frame_channeltypeid;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]["{$frame_channeltypeid}"]['channeltype'] = RVA2ChannelTypeLookup($frame_channeltypeid);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]["{$frame_channeltypeid}"]['volumeadjust'] = BigEndian2Int(substr($frame_remainingdata, $frame_offset, 2)) - 0x7fff;
// 16-bit signed
$frame_offset += 2;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]["{$frame_channeltypeid}"]['bitspeakvolume'] = ord(substr($frame_remainingdata, $frame_offset++, 1));
$frame_bytespeakvolume = ceil($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_channeltypeid}"]['bitspeakvolume'] / 8);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]["{$frame_channeltypeid}"]['peakvolume'] = BigEndian2Int(substr($frame_remainingdata, $frame_offset, $frame_bytespeakvolume));
$frame_remainingdata = substr($frame_remainingdata, $frame_offset + $frame_bytespeakvolume);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]["{$frame_channeltypeid}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 3 && $frame_name == 'RVAD' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'RVA') {
// 4.12 RVA Relative volume adjustment (ID3v2.2 only)
// There may only be one 'RVA' frame in each tag
// <Header for 'Relative volume adjustment', ID: 'RVA'>
// ID3v2.2 => Increment/decrement %000000ba
// ID3v2.3 => Increment/decrement %00fedcba
// Bits used for volume descr. $xx
// Relative volume change, right $xx xx (xx ...) // a
// Relative volume change, left $xx xx (xx ...) // b
// Peak volume right $xx xx (xx ...)
// Peak volume left $xx xx (xx ...)
// ID3v2.3 only, optional (not present in ID3v2.2):
// Relative volume change, right back $xx xx (xx ...) // c
// Relative volume change, left back $xx xx (xx ...) // d
// Peak volume right back $xx xx (xx ...)
// Peak volume left back $xx xx (xx ...)
// ID3v2.3 only, optional (not present in ID3v2.2):
// Relative volume change, center $xx xx (xx ...) // e
// Peak volume center $xx xx (xx ...)
// ID3v2.3 only, optional (not present in ID3v2.2):
// Relative volume change, bass $xx xx (xx ...) // f
// Peak volume bass $xx xx (xx ...)
$frame_offset = 0;
$frame_incrdecrflags = BigEndian2Bin(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['incdec']['right'] = (bool) substr($frame_incrdecrflags, 6, 1);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['incdec']['left'] = (bool) substr($frame_incrdecrflags, 7, 1);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bitsvolume'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_bytesvolume = ceil($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bitsvolume'] / 8);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['volumechange']['right'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesvolume));
if ($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['incdec']['right'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['volumechange']['right'] *= -1;
}
$frame_offset += $frame_bytesvolume;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['volumechange']['left'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesvolume));
if ($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['incdec']['left'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['volumechange']['left'] *= -1;
}
$frame_offset += $frame_bytesvolume;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['peakvolume']['right'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesvolume));
$frame_offset += $frame_bytesvolume;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['peakvolume']['left'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesvolume));
$frame_offset += $frame_bytesvolume;
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
if (strlen($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']) > 0) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['incdec']['rightrear'] = (bool) substr($frame_incrdecrflags, 4, 1);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['incdec']['leftrear'] = (bool) substr($frame_incrdecrflags, 5, 1);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['volumechange']['rightrear'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesvolume));
if ($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['incdec']['rightrear'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['volumechange']['rightrear'] *= -1;
}
$frame_offset += $frame_bytesvolume;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['volumechange']['leftrear'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesvolume));
if ($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['incdec']['leftrear'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['volumechange']['leftrear'] *= -1;
}
$frame_offset += $frame_bytesvolume;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['peakvolume']['rightrear'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesvolume));
$frame_offset += $frame_bytesvolume;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['peakvolume']['leftrear'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesvolume));
$frame_offset += $frame_bytesvolume;
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
if (strlen($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']) > 0) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['incdec']['center'] = (bool) substr($frame_incrdecrflags, 3, 1);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['volumechange']['center'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesvolume));
if ($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['incdec']['center'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['volumechange']['center'] *= -1;
}
$frame_offset += $frame_bytesvolume;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['peakvolume']['center'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesvolume));
$frame_offset += $frame_bytesvolume;
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
if (strlen($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']) > 0) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['incdec']['bass'] = (bool) substr($frame_incrdecrflags, 2, 1);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['volumechange']['bass'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesvolume));
if ($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['incdec']['bass'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['volumechange']['bass'] *= -1;
}
$frame_offset += $frame_bytesvolume;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['peakvolume']['bass'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesvolume));
$frame_offset += $frame_bytesvolume;
}
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 4 && $frame_name == 'EQU2') {
// 4.12 EQU2 Equalisation (2) (ID3v2.4+ only)
// There may be more than one 'EQU2' frame in each tag,
// but only one with the same identification string
// <Header of 'Equalisation (2)', ID: 'EQU2'>
// Interpolation method $xx
// $00 Band
// $01 Linear
// Identification <text string> $00
// The following is then repeated for every adjustment point
// Frequency $xx xx
// Volume adjustment $xx xx
$frame_offset = 0;
$frame_interpolationmethod = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_idstring = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_idstring) === 0) {
$frame_idstring = '';
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['description'] = $frame_idstring;
$frame_remainingdata = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(chr(0)));
while (strlen($frame_remainingdata)) {
$frame_frequency = BigEndian2Int(substr($frame_remainingdata, 0, 2)) / 2;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data']["{$frame_frequency}"] = BigEndian2Int(substr($frame_remainingdata, 2, 2));
$frame_remainingdata = substr($frame_remainingdata, 4);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['interpolationmethod'] = $frame_interpolationmethod;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 3 && $frame_name == 'EQUA' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'EQU') {
// 4.13 EQU Equalisation (ID3v2.2 only)
// There may only be one 'EQUA' frame in each tag
// <Header for 'Relative volume adjustment', ID: 'EQU'>
// Adjustment bits $xx
// This is followed by 2 bytes + ('adjustment bits' rounded up to the
// nearest byte) for every equalisation band in the following format,
// giving a frequency range of 0 - 32767Hz:
// Increment/decrement %x (MSB of the Frequency)
// Frequency (lower 15 bits)
// Adjustment $xx (xx ...)
$frame_offset = 0;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['adjustmentbits'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1);
$frame_adjustmentbytes = ceil($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['adjustmentbits'] / 8);
$frame_remainingdata = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
while (strlen($frame_remainingdata)) {
$frame_frequencystr = BigEndian2Bin(substr($frame_remainingdata, 0, 2));
$frame_incdec = (bool) substr($frame_frequencystr, 0, 1);
$frame_frequency = bindec(substr($frame_frequencystr, 1, 15));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_frequency}"]['incdec'] = $frame_incdec;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_frequency}"]['adjustment'] = BigEndian2Int(substr($frame_remainingdata, 2, $frame_adjustmentbytes));
if ($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_frequency}"]['incdec'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_frequency}"]['adjustment'] *= -1;
}
$frame_remainingdata = substr($frame_remainingdata, 2 + $frame_adjustmentbytes);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'RVRB' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'REV') {
// 4.14 REV Reverb
// There may only be one 'RVRB' frame in each tag.
// <Header for 'Reverb', ID: 'RVRB'>
// Reverb left (ms) $xx xx
// Reverb right (ms) $xx xx
// Reverb bounces, left $xx
// Reverb bounces, right $xx
// Reverb feedback, left to left $xx
// Reverb feedback, left to right $xx
// Reverb feedback, right to right $xx
// Reverb feedback, right to left $xx
// Premix left to right $xx
// Premix right to left $xx
$frame_offset = 0;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['left'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 2));
$frame_offset += 2;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['right'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 2));
$frame_offset += 2;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bouncesL'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bouncesR'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['feedbackLL'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['feedbackLR'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['feedbackRR'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['feedbackRL'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['premixLR'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['premixRL'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'APIC' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'PIC') {
// 4.15 PIC Attached picture
// There may be several pictures attached to one file,
// each in their individual 'APIC' frame, but only one
// with the same content descriptor
// <Header for 'Attached picture', ID: 'APIC'>
// Text encoding $xx
// ID3v2.3+ => MIME type <text string> $00
// ID3v2.2 => Image format $xx xx xx
// Picture type $xx
// Description <text string according to encoding> $00 (00)
// Picture data <binary data>
$frame_offset = 0;
$frame_textencoding = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 2) {
$frame_imagetype = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 3);
if (strtolower($frame_imagetype) == 'ima') {
// complete hack for mp3Rage (www.chaoticsoftware.com) that puts ID3v2.3-formatted
// MIME type instead of 3-char ID3v2.2-format image type (thanks xbhoff@pacbell.net)
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_mimetype = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['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(chr(0));
} else {
$frame_offset += 3;
}
}
if ($MP3fileInfo['id3']['id3v2']['majorversion'] > 2) {
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_mimetype = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_mimetype) === 0) {
$frame_mimetype = '';
}
$frame_offset = $frame_terminatorpos + strlen(chr(0));
}
$frame_picturetype = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], TextEncodingLookup('terminator', $frame_textencoding), $frame_offset);
if (ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)), 1)) === 0) {
$frame_terminatorpos++;
// strpos() fooled because 2nd byte of Unicode chars are often 0x00
}
$frame_description = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_description) === 0) {
$frame_description = '';
}
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encodingid'] = $frame_textencoding;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encoding'] = TextEncodingLookup('encoding', $frame_textencoding);
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 2) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['imagetype'] = $frame_imagetype;
} else {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['mime'] = $frame_mimetype;
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['picturetypeid'] = $frame_picturetype;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['picturetype'] = APICPictureTypeLookup($frame_picturetype);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['description'] = $frame_description;
if (!isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression']) || $MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['asciidescription'] = RoughTranslateUnicodeToASCII($frame_description, $frame_textencoding);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)));
include_once GETID3_INCLUDEPATH . 'getid3.getimagesize.php';
$imagechunkcheck = GetDataImageSize($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data']);
if ($imagechunkcheck[2] >= 1 && $imagechunkcheck[2] <= 3) {
$imagetypes = array(1 => 'image/gif', 2 => 'image/jpeg', 3 => 'image/png');
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['image_mime'] = $imagetypes["{$imagechunkcheck[2]}"];
if ($imagechunkcheck[0]) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['image_width'] = $imagechunkcheck[0];
}
if ($imagechunkcheck[1]) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['image_height'] = $imagechunkcheck[1];
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['image_bytes'] = strlen($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data']);
//$MP3fileInfo['id3']['id3v2']["$frame_name"]["$frame_arrayindex"]['image_offset'] = $MP3fileInfo['id3']['id3v2']["$frame_name"]['dataoffset'] + $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)) + ID3v2HeaderLength($MP3fileInfo['id3']['id3v2']['majorversion']);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'GEOB' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'GEO') {
// 4.16 GEO General encapsulated object
// There may be more than one 'GEOB' frame in each tag,
// but only one with the same content descriptor
// <Header for 'General encapsulated object', ID: 'GEOB'>
// Text encoding $xx
// MIME type <text string> $00
// Filename <text string according to encoding> $00 (00)
// Content description <text string according to encoding> $00 (00)
// Encapsulated object <binary data>
$frame_offset = 0;
$frame_textencoding = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_mimetype = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_mimetype) === 0) {
$frame_mimetype = '';
}
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], TextEncodingLookup('terminator', $frame_textencoding), $frame_offset);
if (ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)), 1)) === 0) {
$frame_terminatorpos++;
// strpos() fooled because 2nd byte of Unicode chars are often 0x00
}
$frame_filename = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_filename) === 0) {
$frame_filename = '';
}
$frame_offset = $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], TextEncodingLookup('terminator', $frame_textencoding), $frame_offset);
if (ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)), 1)) === 0) {
$frame_terminatorpos++;
// strpos() fooled because 2nd byte of Unicode chars are often 0x00
}
$frame_description = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_description) === 0) {
$frame_description = '';
}
$frame_offset = $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['objectdata'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encodingid'] = $frame_textencoding;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encoding'] = TextEncodingLookup('encoding', $frame_textencoding);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['mime'] = $frame_mimetype;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['filename'] = $frame_filename;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['description'] = $frame_description;
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
if (!isset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression']) || $MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags']['compression'] === FALSE) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['asciidescription'] = RoughTranslateUnicodeToASCII($frame_description, $frame_textencoding);
}
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'PCNT' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'CNT') {
// 4.17 CNT Play counter
// There may only be one 'PCNT' frame in each tag.
// When the counter reaches all one's, one byte is inserted in
// front of the counter thus making the counter eight bits bigger
// <Header for 'Play counter', ID: 'PCNT'>
// Counter $xx xx xx xx (xx ...)
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = BigEndian2Int($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'POPM' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'POP') {
// 4.18 POP Popularimeter
// There may be more than one 'POPM' frame in each tag,
// but only one with the same email address
// <Header for 'Popularimeter', ID: 'POPM'>
// Email to user <text string> $00
// Rating $xx
// Counter $xx xx xx xx (xx ...)
$frame_offset = 0;
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_emailaddress = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_emailaddress) === 0) {
$frame_emailaddress = '';
}
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$frame_rating = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['email'] = $frame_emailaddress;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['rating'] = $frame_rating;
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'RBUF' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'BUF') {
// 4.19 BUF Recommended buffer size
// There may only be one 'RBUF' frame in each tag
// <Header for 'Recommended buffer size', ID: 'RBUF'>
// Buffer size $xx xx xx
// Embedded info flag %0000000x
// Offset to next tag $xx xx xx xx
$frame_offset = 0;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['buffersize'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 3));
$frame_offset += 3;
$frame_embeddedinfoflags = BigEndian2Bin(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']['embededinfo'] = (bool) substr($frame_embeddedinfoflags, 7, 1);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['nexttagoffset'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 4));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'CRM') {
// 4.20 Encrypted meta frame (ID3v2.2 only)
// There may be more than one 'CRM' frame in a tag,
// but only one with the same 'owner identifier'
// <Header for 'Encrypted meta frame', ID: 'CRM'>
// Owner identifier <textstring> $00 (00)
// Content/explanation <textstring> $00 (00)
// Encrypted datablock <binary data>
$frame_offset = 0;
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_ownerid = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_ownerid) === 0) {
$frame_ownerid = count($MP3fileInfo['id3']['id3v2']["{$frame_name}"]) - 1;
}
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_description = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_description) === 0) {
$frame_description = '';
}
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['ownerid'] = $frame_ownerid;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['description'] = $frame_description;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'AENC' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'CRA') {
// 4.21 CRA Audio encryption
// There may be more than one 'AENC' frames in a tag,
// but only one with the same 'Owner identifier'
// <Header for 'Audio encryption', ID: 'AENC'>
// Owner identifier <text string> $00
// Preview start $xx xx
// Preview length $xx xx
// Encryption info <binary data>
$frame_offset = 0;
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_ownerid = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_ownerid) === 0) {
$frame_ownerid == '';
}
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['ownerid'] = $frame_ownerid;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['previewstart'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 2));
$frame_offset += 2;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['previewlength'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 2));
$frame_offset += 2;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encryptioninfo'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_ownerid}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'LINK' || $MP3fileInfo['id3']['id3v2']['majorversion'] == 2 && $frame_name == 'LNK') {
// 4.22 LNK Linked information
// There may be more than one 'LINK' frame in a tag,
// but only one with the same contents
// <Header for 'Linked information', ID: 'LINK'>
// ID3v2.3+ => Frame identifier $xx xx xx xx
// ID3v2.2 => Frame identifier $xx xx xx
// URL <text string> $00
// ID and additional data <text string(s)>
$frame_offset = 0;
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 2) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['frameid'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 3);
$frame_offset += 3;
} else {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['frameid'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 4);
$frame_offset += 4;
}
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_url = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_url) === 0) {
$frame_url = '';
}
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['url'] = $frame_url;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['additionaldata'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'POSS') {
// 4.21 POSS Position synchronisation frame (ID3v2.3+ only)
// There may only be one 'POSS' frame in each tag
// <Head for 'Position synchronisation', ID: 'POSS'>
// Time stamp format $xx
// Position $xx (xx ...)
$frame_offset = 0;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['timestampformat'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['position'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'USER') {
// 4.22 USER Terms of use (ID3v2.3+ only)
// There may be more than one 'Terms of use' frame in a tag,
// but only one with the same 'Language'
// <Header for 'Terms of use frame', ID: 'USER'>
// Text encoding $xx
// Language $xx xx xx
// The actual text <text string according to encoding>
$frame_offset = 0;
$frame_textencoding = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_language = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 3);
$frame_offset += 3;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_language}"]['language'] = $frame_language;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_language}"]['languagename'] = LanguageLookup($frame_language, FALSE);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_language}"]['encodingid'] = $frame_textencoding;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_language}"]['encoding'] = TextEncodingLookup('encoding', $frame_textencoding);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_language}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
if (!$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_language}"]['flags']['compression']) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_language}"]['asciidata'] = RoughTranslateUnicodeToASCII($MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_language}"]['data'], $frame_textencoding);
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_language}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_language}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_language}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_language}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'OWNE') {
// 4.23 OWNE Ownership frame (ID3v2.3+ only)
// There may only be one 'OWNE' frame in a tag
// <Header for 'Ownership frame', ID: 'OWNE'>
// Text encoding $xx
// Price paid <text string> $00
// Date of purch. <text string>
// Seller <text string according to encoding>
$frame_offset = 0;
$frame_textencoding = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['encodingid'] = $frame_textencoding;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['encoding'] = TextEncodingLookup('encoding', $frame_textencoding);
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_pricepaid = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['pricepaid']['currencyid'] = substr($frame_pricepaid, 0, 3);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['pricepaid']['currency'] = LookupCurrency($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['pricepaid']['currencyid'], 'units');
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['pricepaid']['value'] = substr($frame_pricepaid, 3);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['purchasedate'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 8);
if (!IsValidDateStampString($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['purchasedate'])) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['purchasedateunix'] = mktime(0, 0, 0, substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['purchasedate'], 4, 2), substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['purchasedate'], 6, 2), substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['purchasedate'], 0, 4));
}
$frame_offset += 8;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['seller'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'COMR') {
// 4.24 COMR Commercial frame (ID3v2.3+ only)
// There may be more than one 'commercial frame' in a tag,
// but no two may be identical
// <Header for 'Commercial frame', ID: 'COMR'>
// Text encoding $xx
// Price string <text string> $00
// Valid until <text string>
// Contact URL <text string> $00
// Received as $xx
// Name of seller <text string according to encoding> $00 (00)
// Description <text string according to encoding> $00 (00)
// Picture MIME type <string> $00
// Seller logo <binary data>
$frame_offset = 0;
$frame_textencoding = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_pricestring = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$frame_rawpricearray = explode('/', $frame_pricestring);
foreach ($frame_rawpricearray as $key => $val) {
$frame_currencyid = substr($val, 0, 3);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['price']["{$frame_currencyid}"]['currency'] = LookupCurrency($frame_currencyid, 'units');
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['price']["{$frame_currencyid}"]['value'] = substr($val, 3);
}
$frame_datestring = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 8);
$frame_offset += 8;
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_contacturl = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$frame_receivedasid = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], TextEncodingLookup('terminator', $frame_textencoding), $frame_offset);
if (ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)), 1)) === 0) {
$frame_terminatorpos++;
// strpos() fooled because 2nd byte of Unicode chars are often 0x00
}
$frame_sellername = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_sellername) === 0) {
$frame_sellername = '';
}
$frame_offset = $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], TextEncodingLookup('terminator', $frame_textencoding), $frame_offset);
if (ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding)), 1)) === 0) {
$frame_terminatorpos++;
// strpos() fooled because 2nd byte of Unicode chars are often 0x00
}
$frame_description = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_description) === 0) {
$frame_description = '';
}
$frame_offset = $frame_terminatorpos + strlen(TextEncodingLookup('terminator', $frame_textencoding));
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_mimetype = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$frame_sellerlogo = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encodingid'] = $frame_textencoding;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['encoding'] = TextEncodingLookup('encoding', $frame_textencoding);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['pricevaliduntil'] = $frame_datestring;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['contacturl'] = $frame_contacturl;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['receivedasid'] = $frame_receivedasid;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['receivedas'] = COMRReceivedAsLookup($frame_receivedasid);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['sellername'] = $frame_sellername;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['asciisellername'] = RoughTranslateUnicodeToASCII($frame_sellername, $frame_textencoding);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['description'] = $frame_description;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['asciidescription'] = RoughTranslateUnicodeToASCII($frame_description, $frame_textencoding);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['mime'] = $frame_mimetype;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['logo'] = $frame_sellerlogo;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'ENCR') {
// 4.25 ENCR Encryption method registration (ID3v2.3+ only)
// There may be several 'ENCR' frames in a tag,
// but only one containing the same symbol
// and only one containing the same owner identifier
// <Header for 'Encryption method registration', ID: 'ENCR'>
// Owner identifier <text string> $00
// Method symbol $xx
// Encryption data <binary data>
$frame_offset = 0;
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_ownerid = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_ownerid) === 0) {
$frame_ownerid = '';
}
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['ownerid'] = $frame_ownerid;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['methodsymbol'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'GRID') {
// 4.26 GRID Group identification registration (ID3v2.3+ only)
// There may be several 'GRID' frames in a tag,
// but only one containing the same symbol
// and only one containing the same owner identifier
// <Header for 'Group ID registration', ID: 'GRID'>
// Owner identifier <text string> $00
// Group symbol $xx
// Group dependent data <binary data>
$frame_offset = 0;
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_ownerid = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_ownerid) === 0) {
$frame_ownerid = '';
}
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['ownerid'] = $frame_ownerid;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['groupsymbol'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'PRIV') {
// 4.27 PRIV Private frame (ID3v2.3+ only)
// The tag may contain more than one 'PRIV' frame
// but only with different contents
// <Header for 'Private frame', ID: 'PRIV'>
// Owner identifier <text string> $00
// The private data <binary data>
$frame_offset = 0;
$frame_terminatorpos = strpos($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], chr(0), $frame_offset);
$frame_ownerid = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
if (ord($frame_ownerid) === 0) {
$frame_ownerid = '';
}
$frame_offset = $frame_terminatorpos + strlen(chr(0));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['ownerid'] = $frame_ownerid;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 4 && $frame_name == 'SIGN') {
// 4.28 SIGN Signature frame (ID3v2.4+ only)
// There may be more than one 'signature frame' in a tag,
// but no two may be identical
// <Header for 'Signature frame', ID: 'SIGN'>
// Group symbol $xx
// Signature <binary data>
$frame_offset = 0;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['groupsymbol'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['data'] = substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['flags'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags'];
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['flags']);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['datalength'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]["{$frame_arrayindex}"]['dataoffset'] = $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'];
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 4 && $frame_name == 'SEEK') {
// 4.29 SEEK Seek frame (ID3v2.4+ only)
// There may only be one 'seek frame' in a tag
// <Header for 'Seek frame', ID: 'SEEK'>
// Minimum offset to next tag $xx xx xx xx
$frame_offset = 0;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 4));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 4 && $frame_name == 'ASPI') {
// 4.30 ASPI Audio seek point index (ID3v2.4+ only)
// There may only be one 'audio seek point index' frame in a tag
// <Header for 'Seek Point Index', ID: 'ASPI'>
// Indexed data start (S) $xx xx xx xx
// Indexed data length (L) $xx xx xx xx
// Number of index points (N) $xx xx
// Bits per index point (b) $xx
// Then for every index point the following data is included:
// Fraction at index (Fi) $xx (xx)
$frame_offset = 0;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datastart'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 4));
$frame_offset += 4;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['indexeddatalength'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 4));
$frame_offset += 4;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['indexpoints'] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 2));
$frame_offset += 2;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bitsperpoint'] = ord(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset++, 1));
$frame_bytesperpoint = ceil($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['bitsperpoint'] / 8);
for ($i = 0; $i < $frame_indexpoints; $i++) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['indexes']["{$i}"] = BigEndian2Int(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, $frame_bytesperpoint));
$frame_offset += $frame_bytesperpoint;
}
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] >= 3 && $frame_name == 'RGAD') {
// Replay Gain Adjustment
// http://privatewww.essex.ac.uk/~djmrob/replaygain/file_format_id3v2.html
// There may only be one 'RGAD' frame in a tag
// <Header for 'Replay Gain Adjustment', ID: 'RGAD'>
// Peak Amplitude $xx $xx $xx $xx
// Radio Replay Gain Adjustment %aaabbbcd %dddddddd
// Audiophile Replay Gain Adjustment %aaabbbcd %dddddddd
// a - name code
// b - originator code
// c - sign bit
// d - replay gain adjustment
$frame_offset = 0;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['peakamplitude'] = BigEndian2Float(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 4));
$frame_offset += 4;
$radioadjustment = Dec2Bin(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 2));
$frame_offset += 2;
$audiophileadjustment = Dec2Bin(substr($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'], $frame_offset, 2));
$frame_offset += 2;
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['radio']['name'] = Bin2Dec(substr($radioadjustment, 0, 3));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['radio']['originator'] = Bin2Dec(substr($radioadjustment, 3, 3));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['radio']['signbit'] = Bin2Dec(substr($radioadjustment, 6, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['radio']['adjustment'] = Bin2Dec(substr($radioadjustment, 7, 9));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['audiophile']['name'] = Bin2Dec(substr($audiophileadjustment, 0, 3));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['audiophile']['originator'] = Bin2Dec(substr($audiophileadjustment, 3, 3));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['audiophile']['signbit'] = Bin2Dec(substr($audiophileadjustment, 6, 1));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['audiophile']['adjustment'] = Bin2Dec(substr($audiophileadjustment, 7, 9));
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['radio']['name'] = RGADnameLookup($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['radio']['name']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['radio']['originator'] = RGADoriginatorLookup($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['radio']['originator']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['radio']['adjustment'] = RGADadjustmentLookup($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['radio']['adjustment'], $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['radio']['signbit']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['audiophile']['name'] = RGADnameLookup($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['audiophile']['name']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['audiophile']['originator'] = RGADoriginatorLookup($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['audiophile']['originator']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['audiophile']['adjustment'] = RGADadjustmentLookup($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['audiophile']['adjustment'], $MP3fileInfo['id3']['id3v2']["{$frame_name}"]['raw']['audiophile']['signbit']);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['framenamelong'] = FrameNameLongLookup($frame_name);
unset($MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data']);
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
return TRUE;
}
function getID3v2Filepointer($fd, &$MP3fileInfo)
{
// Overall tag structure:
// +-----------------------------+
// | Header (10 bytes) |
// +-----------------------------+
// | Extended Header |
// | (variable length, OPTIONAL) |
// +-----------------------------+
// | Frames (variable length) |
// +-----------------------------+
// | Padding |
// | (variable length, OPTIONAL) |
// +-----------------------------+
// | Footer (10 bytes, OPTIONAL) |
// +-----------------------------+
// Header
// ID3v2/file identifier "ID3"
// ID3v2 version $04 00
// ID3v2 flags (%ab000000 in v2.2, %abc00000 in v2.3, %abcd0000 in v2.4.x)
// ID3v2 size 4 * %0xxxxxxx
rewind($fd);
$header = fread($fd, 10);
if (substr($header, 0, 3) == 'ID3') {
$MP3fileInfo['id3']['id3v2']['header'] = TRUE;
$MP3fileInfo['id3']['id3v2']['majorversion'] = ord($header[3]);
$MP3fileInfo['id3']['id3v2']['minorversion'] = ord($header[4]);
}
if (isset($MP3fileInfo['id3']['id3v2']['header']) && $MP3fileInfo['id3']['id3v2']['majorversion'] <= 4) {
// this script probably won't correctly parse ID3v2.5.x and above.
$id3_flags = BigEndian2Bin($header[5]);
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 2) {
// %ab000000 in v2.2
$MP3fileInfo['id3']['id3v2']['flags']['unsynch'] = $id3_flags[0];
// a - Unsynchronisation
$MP3fileInfo['id3']['id3v2']['flags']['compression'] = $id3_flags[1];
// b - Compression
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 3) {
// %abc00000 in v2.3
$MP3fileInfo['id3']['id3v2']['flags']['unsynch'] = $id3_flags[0];
// a - Unsynchronisation
$MP3fileInfo['id3']['id3v2']['flags']['exthead'] = $id3_flags[1];
// b - Extended header
$MP3fileInfo['id3']['id3v2']['flags']['experim'] = $id3_flags[2];
// c - Experimental indicator
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 4) {
// %abcd0000 in v2.4
$MP3fileInfo['id3']['id3v2']['flags']['unsynch'] = $id3_flags[0];
// a - Unsynchronisation
$MP3fileInfo['id3']['id3v2']['flags']['exthead'] = $id3_flags[1];
// b - Extended header
$MP3fileInfo['id3']['id3v2']['flags']['experim'] = $id3_flags[2];
// c - Experimental indicator
$MP3fileInfo['id3']['id3v2']['flags']['isfooter'] = $id3_flags[3];
// d - Footer present
}
}
}
$MP3fileInfo['id3']['id3v2']['headerlength'] = BigEndian2Int(substr($header, 6, 4), 1) + ID3v2HeaderLength($MP3fileInfo['id3']['id3v2']['majorversion']);
// Extended Header
if (isset($MP3fileInfo['id3']['id3v2']['flags']['exthead']) && $MP3fileInfo['id3']['id3v2']['flags']['exthead']) {
// Extended header size 4 * %0xxxxxxx
// Number of flag bytes $01
// Extended Flags $xx
// Where the 'Extended header size' is the size of the whole extended header, stored as a 32 bit synchsafe integer.
$extheader = fread($fd, 4);
$MP3fileInfo['id3']['id3v2']['extheaderlength'] = BigEndian2Int($extheader, 1);
// The extended flags field, with its size described by 'number of flag bytes', is defined as:
// %0bcd0000
// b - Tag is an update
// Flag data length $00
// c - CRC data present
// Flag data length $05
// Total frame CRC 5 * %0xxxxxxx
// d - Tag restrictions
// Flag data length $01
$extheaderflagbytes = fread($fd, 1);
$extheaderflags = fread($fd, $extheaderflagbytes);
$id3_exthead_flags = BigEndian2Bin(substr($header, 5, 1));
$MP3fileInfo['id3']['id3v2']['exthead_flags']['update'] = substr($id3_exthead_flags, 1, 1);
$MP3fileInfo['id3']['id3v2']['exthead_flags']['CRC'] = substr($id3_exthead_flags, 2, 1);
if ($MP3fileInfo['id3']['id3v2']['exthead_flags']['CRC']) {
$extheaderrawCRC = fread($fd, 5);
$MP3fileInfo['id3']['id3v2']['exthead_flags']['CRC'] = BigEndian2Int($extheaderrawCRC, 1);
}
$MP3fileInfo['id3']['id3v2']['exthead_flags']['restrictions'] = substr($id3_exthead_flags, 3, 1);
if ($MP3fileInfo['id3']['id3v2']['exthead_flags']['restrictions']) {
// Restrictions %ppqrrstt
$extheaderrawrestrictions = fread($fd, 1);
$MP3fileInfo['id3']['id3v2']['exthead_flags']['restrictions_tagsize'] = (bindec('11000000') & ord($extheaderrawrestrictions)) >> 6;
// p - Tag size restrictions
$MP3fileInfo['id3']['id3v2']['exthead_flags']['restrictions_textenc'] = (bindec('00100000') & ord($extheaderrawrestrictions)) >> 5;
// q - Text encoding restrictions
$MP3fileInfo['id3']['id3v2']['exthead_flags']['restrictions_textsize'] = (bindec('00011000') & ord($extheaderrawrestrictions)) >> 3;
// r - Text fields size restrictions
$MP3fileInfo['id3']['id3v2']['exthead_flags']['restrictions_imgenc'] = (bindec('00000100') & ord($extheaderrawrestrictions)) >> 2;
// s - Image encoding restrictions
$MP3fileInfo['id3']['id3v2']['exthead_flags']['restrictions_imgsize'] = (bindec('00000011') & ord($extheaderrawrestrictions)) >> 0;
// t - Image size restrictions
}
}
// end extended header
// Frames
// All ID3v2 frames consists of one frame header followed by one or more
// fields containing the actual information. The header is always 10
// bytes and laid out as follows:
//
// Frame ID $xx xx xx xx (four characters)
// Size 4 * %0xxxxxxx
// Flags $xx xx
$sizeofframes = $MP3fileInfo['id3']['id3v2']['headerlength'] - ID3v2HeaderLength($MP3fileInfo['id3']['id3v2']['majorversion']);
if (isset($MP3fileInfo['id3']['id3v2']['extheaderlength'])) {
$sizeofframes -= $MP3fileInfo['id3']['id3v2']['extheaderlength'];
}
if (isset($MP3fileInfo['id3']['id3v2']['flags']['isfooter']) && $MP3fileInfo['id3']['id3v2']['flags']['isfooter']) {
$sizeofframes -= 10;
// footer takes last 10 bytes of ID3v2 header, after frame data, before audio
}
if ($sizeofframes > 0) {
$framedata = fread($fd, $sizeofframes);
// read all frames from file into $framedata variable
// if entire frame data is unsynched, de-unsynch it now (ID3v2.3.x)
if (isset($MP3fileInfo['id3']['id3v2']['flags']['unsynch']) && $MP3fileInfo['id3']['id3v2']['flags']['unsynch'] && $MP3fileInfo['id3']['id3v2']['majorversion'] <= 3) {
$framedata = DeUnSynchronise($framedata);
}
// [in ID3v2.4.0] Unsynchronisation [S:6.1] is done on frame level, instead
// of on tag level, making it easier to skip frames, increasing the streamability
// of the tag. The unsynchronisation flag in the header [S:3.1] indicates that
// there exists an unsynchronised frame, while the new unsynchronisation flag in
// the frame header [S:4.1.2] indicates unsynchronisation.
include_once GETID3_INCLUDEPATH . 'getid3.frames.php';
// ID3v2FrameProcessing()
$framedataoffset = 10;
// how many bytes into the stream - start from after the 10-byte header
while (isset($framedata) && strlen($framedata) > 0) {
// cycle through until no more frame data is left to parse
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 2) {
// Frame ID $xx xx xx (three characters)
// Size $xx xx xx (24-bit integer)
// Flags $xx xx
$frame_header = substr($framedata, 0, 6);
// take next 6 bytes for header
$framedata = substr($framedata, 6);
// and leave the rest in $framedata
$frame_name = substr($frame_header, 0, 3);
$frame_size = BigEndian2Int(substr($frame_header, 3, 3), 0);
$frame_flags = '';
// not used for anything, just to avoid E_NOTICEs
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] > 2) {
// Frame ID $xx xx xx xx (four characters)
// Size $xx xx xx xx (32-bit integer in v2.3, 28-bit synchsafe in v2.4+)
// Flags $xx xx
$frame_header = substr($framedata, 0, 10);
// take next 10 bytes for header
$framedata = substr($framedata, 10);
// and leave the rest in $framedata
$frame_name = substr($frame_header, 0, 4);
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 3) {
$frame_size = BigEndian2Int(substr($frame_header, 4, 4), 0);
// 32-bit integer
} else {
// ID3v2.4+
$frame_size = BigEndian2Int(substr($frame_header, 4, 4), 1);
// 32-bit synchsafe integer (28-bit value)
}
if ($frame_size < strlen($framedata) + 4) {
$nextFrameID = substr($framedata, $frame_size, 4);
if (IsValidID3v2FrameName($nextFrameID, $MP3fileInfo['id3']['id3v2']['majorversion'])) {
// next frame is OK
} else {
if ($frame_name == chr(0) . 'MP3' || $frame_name == ' MP3' || $frame_name == 'MP3e') {
// MP3ext known broken frames - "ok" for the purposes of this test
} else {
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 4 && IsValidID3v2FrameName(substr($framedata, BigEndian2Int(substr($frame_header, 4, 4), 0), 4), 3)) {
$MP3fileInfo['error'] .= "\n" . 'ID3v2 tag written as ID3v2.4, but with non-synchsafe integers (ID3v2.3 style). Older versions of Helium2 (www.helium2.com) is a known culprit of this. Tag has been parsed as ID3v2.3';
$MP3fileInfo['id3']['id3v2']['majorversion'] = 3;
$frame_size = BigEndian2Int(substr($frame_header, 4, 4), 0);
// 32-bit integer
}
}
}
}
$frame_flags = BigEndian2Bin(substr($frame_header, 8, 2));
}
}
if ($frame_name == chr(0) . chr(0) . chr(0) . chr(0)) {
// padding encountered
// $MP3fileInfo['id3']['id3v2']['padding']['start'] = $MP3fileInfo['id3']['id3v2']['headerlength'] - strlen($framedata);
$MP3fileInfo['id3']['id3v2']['padding']['start'] = $framedataoffset;
$MP3fileInfo['id3']['id3v2']['padding']['length'] = strlen($framedata);
$MP3fileInfo['id3']['id3v2']['padding']['valid'] = TRUE;
for ($i = 0; $i < $MP3fileInfo['id3']['id3v2']['padding']['length']; $i++) {
if (substr($framedata, $i, 1) != chr(0)) {
$MP3fileInfo['id3']['id3v2']['padding']['valid'] = FALSE;
$MP3fileInfo['id3']['id3v2']['padding']['errorpos'] = $MP3fileInfo['id3']['id3v2']['padding']['start'] + $i;
break;
}
}
break;
// skip rest of ID3v2 header
}
if ($frame_size <= strlen($framedata) && IsValidID3v2FrameName($frame_name, $MP3fileInfo['id3']['id3v2']['majorversion'])) {
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['data'] = substr($framedata, 0, $frame_size);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['datalength'] = CastAsInt($frame_size);
$MP3fileInfo['id3']['id3v2']["{$frame_name}"]['dataoffset'] = $framedataoffset;
$framedata = substr($framedata, $frame_size);
// in getid3.frames.php - this function does all the FrameID-level parsing
ID3v2FrameProcessing($frame_name, $frame_flags, $MP3fileInfo);
$framedataoffset += $frame_size + ID3v2HeaderLength($MP3fileInfo['id3']['id3v2']['majorversion']);
} else {
// invalid frame length or FrameID
$MP3fileInfo['error'] .= "\n" . 'error parsing "' . $frame_name . '" (' . $framedataoffset . ' bytes into the ID3v2.' . $MP3fileInfo['id3']['id3v2']['majorversion'] . ' tag).';
if ($frame_size > strlen($framedata)) {
$MP3fileInfo['error'] .= ' (ERROR: $frame_size (' . $frame_size . ') > strlen($framedata) (' . strlen($framedata) . ')).';
}
if (!IsValidID3v2FrameName($frame_name, $MP3fileInfo['id3']['id3v2']['majorversion'])) {
$MP3fileInfo['error'] .= ' (ERROR: !IsValidID3v2FrameName("' . str_replace(chr(0), ' ', $frame_name) . '", ' . $MP3fileInfo['id3']['id3v2']['majorversion'] . '))).';
if ($frame_name == chr(0) . 'MP3' || $frame_name == ' MP3' || $frame_name == 'MP3e') {
$MP3fileInfo['error'] .= ' [Note: this particular error has been known to happen with tags edited by "MP3ext V3.3.17(unicode)"]';
} else {
if ($frame_name == 'COM ') {
$MP3fileInfo['error'] .= ' [Note: this particular error has been known to happen with tags edited by "iTunes X v2.0.3"]';
}
}
}
if ($frame_size <= strlen($framedata) && IsValidID3v2FrameName(substr($framedata, $frame_size, 4), $MP3fileInfo['id3']['id3v2']['majorversion'])) {
// next frame is valid, just skip the current frame
$framedata = substr($framedata, $frame_size);
} else {
// next frame is invalid too, abort processing
unset($framedata);
}
}
}
}
// Footer
// The footer is a copy of the header, but with a different identifier.
// ID3v2 identifier "3DI"
// ID3v2 version $04 00
// ID3v2 flags %abcd0000
// ID3v2 size 4 * %0xxxxxxx
if (isset($MP3fileInfo['id3']['id3v2']['flags']['isfooter']) && $MP3fileInfo['id3']['id3v2']['flags']['isfooter']) {
$footer = fread($fd, 10);
if (substr($footer, 0, 3) == '3DI') {
$MP3fileInfo['id3']['id3v2']['footer'] = true;
$MP3fileInfo['id3']['id3v2']['majorversion_footer'] = ord(substr($footer, 3, 1));
$MP3fileInfo['id3']['id3v2']['minorversion_footer'] = ord(substr($footer, 4, 1));
}
if ($MP3fileInfo['id3']['id3v2']['majorversion_footer'] <= 4) {
$id3_flags = BigEndian2Bin(substr($footer, 5, 1));
$MP3fileInfo['id3']['id3v2']['flags']['unsynch_footer'] = substr($id3_flags, 0, 1);
$MP3fileInfo['id3']['id3v2']['flags']['extfoot_footer'] = substr($id3_flags, 1, 1);
$MP3fileInfo['id3']['id3v2']['flags']['experim_footer'] = substr($id3_flags, 2, 1);
$MP3fileInfo['id3']['id3v2']['flags']['isfooter_footer'] = substr($id3_flags, 3, 1);
$MP3fileInfo['id3']['id3v2']['footerlength'] = BigEndian2Int(substr($footer, 6, 4), 1);
}
}
// end footer
// Translate most common ID3v2 FrameIDs to easier-to-understand names
if ($MP3fileInfo['id3']['id3v2']['majorversion'] == 2) {
if (isset($MP3fileInfo['id3']['id3v2']['TT2'])) {
$MP3fileInfo['id3']['id3v2']['title'] = $MP3fileInfo['id3']['id3v2']['TT2']['asciidata'];
}
if (isset($MP3fileInfo['id3']['id3v2']['TP1'])) {
$MP3fileInfo['id3']['id3v2']['artist'] = $MP3fileInfo['id3']['id3v2']['TP1']['asciidata'];
}
if (isset($MP3fileInfo['id3']['id3v2']['TAL'])) {
$MP3fileInfo['id3']['id3v2']['album'] = $MP3fileInfo['id3']['id3v2']['TAL']['asciidata'];
}
if (isset($MP3fileInfo['id3']['id3v2']['TYE'])) {
$MP3fileInfo['id3']['id3v2']['year'] = $MP3fileInfo['id3']['id3v2']['TYE']['asciidata'];
}
if (isset($MP3fileInfo['id3']['id3v2']['TRK'])) {
$MP3fileInfo['id3']['id3v2']['track'] = $MP3fileInfo['id3']['id3v2']['TRK']['asciidata'];
}
if (isset($MP3fileInfo['id3']['id3v2']['TCO'])) {
$MP3fileInfo['id3']['id3v2']['genre'] = $MP3fileInfo['id3']['id3v2']['TCO']['asciidata'];
}
if (isset($MP3fileInfo['id3']['id3v2']['COM'][0]['asciidata'])) {
$MP3fileInfo['id3']['id3v2']['comment'] = $MP3fileInfo['id3']['id3v2']['COM'][0]['asciidata'];
}
} else {
// $MP3fileInfo['id3']['id3v2']['majorversion'] > 2
if (isset($MP3fileInfo['id3']['id3v2']['TIT2'])) {
$MP3fileInfo['id3']['id3v2']['title'] = $MP3fileInfo['id3']['id3v2']['TIT2']['asciidata'];
}
if (isset($MP3fileInfo['id3']['id3v2']['TPE1'])) {
$MP3fileInfo['id3']['id3v2']['artist'] = $MP3fileInfo['id3']['id3v2']['TPE1']['asciidata'];
}
if (isset($MP3fileInfo['id3']['id3v2']['TALB'])) {
$MP3fileInfo['id3']['id3v2']['album'] = $MP3fileInfo['id3']['id3v2']['TALB']['asciidata'];
}
if (isset($MP3fileInfo['id3']['id3v2']['TYER'])) {
$MP3fileInfo['id3']['id3v2']['year'] = $MP3fileInfo['id3']['id3v2']['TYER']['asciidata'];
}
if (isset($MP3fileInfo['id3']['id3v2']['TRCK'])) {
$MP3fileInfo['id3']['id3v2']['track'] = $MP3fileInfo['id3']['id3v2']['TRCK']['asciidata'];
}
if (isset($MP3fileInfo['id3']['id3v2']['TCON'])) {
$MP3fileInfo['id3']['id3v2']['genre'] = $MP3fileInfo['id3']['id3v2']['TCON']['asciidata'];
}
if (isset($MP3fileInfo['id3']['id3v2']['COMM'][0]['asciidata'])) {
$MP3fileInfo['id3']['id3v2']['comment'] = $MP3fileInfo['id3']['id3v2']['COMM'][0]['asciidata'];
}
}
if (isset($MP3fileInfo['id3']['id3v2']['genre'])) {
$MP3fileInfo['id3']['id3v2']['genrelist'] = ParseID3v2GenreString($MP3fileInfo['id3']['id3v2']['genre']);
if ($MP3fileInfo['id3']['id3v2']['genrelist']['genreid'][0] !== '') {
$MP3fileInfo['id3']['id3v2']['genreid'] = $MP3fileInfo['id3']['id3v2']['genrelist']['genreid'][0];
}
$MP3fileInfo['id3']['id3v2']['genre'] = $MP3fileInfo['id3']['id3v2']['genrelist']['genre'][0];
}
if (isset($MP3fileInfo['id3']['id3v2']['track']) && strpos($MP3fileInfo['id3']['id3v2']['track'], '/') !== FALSE) {
$tracktotaltracks = explode('/', $MP3fileInfo['id3']['id3v2']['track']);
$MP3fileInfo['id3']['id3v2']['track'] = $tracktotaltracks[0];
$MP3fileInfo['id3']['id3v2']['totaltracks'] = $tracktotaltracks[1];
}
} else {
// MajorVersion is > 4, or no ID3v2 header present
if (isset($MP3fileInfo['id3']['id3v2']['header'])) {
// MajorVersion is > 4
$MP3fileInfo['error'] .= "\n" . 'this script only parses up to ID3v2.4.x - this tag is ID3v2.' . $MP3fileInfo['id3']['id3v2']['majorversion'] . '.' . $MP3fileInfo['id3']['id3v2']['minorversion'];
} else {
// no ID3v2 header present - this is fine, just don't process anything.
}
}
return TRUE;
}
