function utf8_decode($utf8text)
{
// http://www.php.net/manual/en/function.utf8-encode.php
// bytes bits representation
// 1 7 0bbbbbbb
// 2 11 110bbbbb 10bbbbbb
// 3 16 1110bbbb 10bbbbbb 10bbbbbb
// 4 21 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb
$utf8length = strlen($utf8text);
$decodedtext = '';
for ($i = 0; $i < $utf8length; $i++) {
if ((ord($utf8text[$i]) & 0x80) == 0) {
$decodedtext .= $utf8text[$i];
} elseif ((ord($utf8text[$i]) & 0xf0) == 0xf0) {
$decodedtext .= '?';
$i += 3;
} elseif ((ord($utf8text[$i]) & 0xe0) == 0xe0) {
$decodedtext .= '?';
$i += 2;
} elseif ((ord($utf8text[$i]) & 0xc0) == 0xc0) {
// 2 11 110bbbbb 10bbbbbb
$decodedchar = Bin2Dec(substr(Dec2Bin(ord($utf8text[$i])), 3, 5) . substr(Dec2Bin(ord($utf8text[$i + 1])), 2, 6));
if ($decodedchar <= 255) {
$decodedtext .= chr($decodedchar);
} else {
$decodedtext .= '?';
}
$i += 1;
}
}
return $decodedtext;
}
function GenerateID3v2FrameData($frame_name, $frame_data, $majorversion = 4, $showerrors = FALSE)
{
if (!IsValidID3v2FrameName($frame_name, $majorversion)) {
return FALSE;
}
if ($majorversion == 2) {
ksort($frame_data);
reset($frame_data);
switch ($frame_name) {
case 'TXX':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'WXX':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'IPL':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'MCI':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'ETC':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'MLL':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'STC':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'ULT':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'SLT':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'COM':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'RVA':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'EQU':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'REV':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'PIC':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'GEO':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'CNT':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'POP':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'BUF':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'CRM':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'CRA':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
case 'LNK':
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
break;
default:
if ($frame_name[0] == 'T') {
// T??
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
} else {
if ($frame_name[0] == 'W') {
// W??
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
} else {
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
return FALSE;
}
}
}
} else {
// $majorversion > 2
switch ($frame_name) {
case 'UFID':
// 4.1 UFID Unique file identifier
// Owner identifier <text string> $00
// Identifier <up to 64 bytes binary data>
if (strlen($frame_data['data']) > 64) {
$error .= 'Identifier not allowed to be longer than 64 bytes in ' . $frame_name . ' (supplied data was ' . strlen($frame_data['data']) . ' bytes long)<BR>';
} else {
$framedata .= str_replace(chr(0), '', $frame_data['ownerid']) . chr(0);
$framedata .= substr($frame_data['data'], 0, 64);
// max 64 bytes - truncate anything longer
}
break;
case 'TXXX':
// 4.2.2 TXXX User defined text information frame
// Text encoding $xx
// Description <text string according to encoding> $00 (00)
// Value <text string according to encoding>
if (!IsValidTextEncoding($frame_data['encodingid'], $majorversion)) {
$error .= 'Invalid Text Encoding in ' . $frame_name . ' (' . $frame_data['encodingid'] . ') for ID3v2.' . $majorversion . '<BR>';
} else {
$framedata .= chr($frame_data['encodingid']);
$framedata .= $frame_data['description'] . TextEncodingLookup('terminator', $frame_data['encodingid']);
$framedata .= $frame_data['data'];
}
break;
case 'WXXX':
// 4.3.2 WXXX User defined URL link frame
// Text encoding $xx
// Description <text string according to encoding> $00 (00)
// URL <text string>
if (!IsValidTextEncoding($frame_data['encodingid'], $majorversion)) {
$error .= 'Invalid Text Encoding in ' . $frame_name . ' (' . $frame_data['encodingid'] . ') for ID3v2.' . $majorversion . '<BR>';
} else {
if (!IsValidURL($frame_data['url'], FALSE, FALSE)) {
$error .= 'Invalid URL in ' . $frame_name . ' (' . $frame_data['url'] . ')<BR>';
} else {
$framedata .= chr($frame_data['encodingid']);
$framedata .= $frame_data['description'] . TextEncodingLookup('terminator', $frame_data['encodingid']);
$framedata .= $frame_data['url'];
}
}
break;
case 'IPLS':
// 4.4 IPLS Involved people list (ID3v2.3 only)
// Text encoding $xx
// People list strings <textstrings>
if (!IsValidTextEncoding($frame_data['encodingid'], $majorversion)) {
$error .= 'Invalid Text Encoding in ' . $frame_name . ' (' . $frame_data['encodingid'] . ') for ID3v2.' . $majorversion . '<BR>';
} else {
$framedata .= chr($frame_data['encodingid']);
$framedata .= $frame_data['data'];
}
break;
case 'MCDI':
// 4.4 MCDI Music CD identifier
// CD TOC <binary data>
$framedata .= $frame_data['data'];
break;
case 'ETCO':
// 4.5 ETCO Event timing codes
// 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 $xx (xx ...)
// The 'Time stamp' is set to zero if directly at the beginning of the sound
// or after the previous event. All events MUST be sorted in chronological order.
if ($frame_data['timestampformat'] > 2 || $frame_data['timestampformat'] < 1) {
$error .= 'Invalid Time Stamp Format byte in ' . $frame_name . ' (' . $frame_data['timestampformat'] . ')<BR>';
} else {
$framedata .= chr($frame_data['timestampformat']);
foreach ($frame_data as $key => $val) {
if (!IsValidETCOevent($val['typeid'], $majorversion)) {
$error .= 'Invalid Event Type byte in ' . $frame_name . ' (' . $val['typeid'] . ')<BR>';
} else {
if ($key != 'timestampformat' && $key != 'flags') {
if ($val['timestamp'] > 0 && $previousETCOtimestamp >= $val['timestamp']) {
// 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.
$error .= 'Out-of-order timestamp in ' . $frame_name . ' (' . $val['timestamp'] . ') for Event Type (' . $val['typeid'] . ')<BR>';
} else {
$framedata .= chr($val['typeid']);
$framedata .= BigEndian2String($val['timestamp'], 4, FALSE);
}
}
}
}
}
break;
case 'MLLT':
// 4.6 MLLT MPEG location lookup table
// 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. $xx
// Then for every reference the following data is included;
// Deviation in bytes %xxx....
// Deviation in milliseconds %xxx....
if ($frame_data['framesbetweenreferences'] > 0 && $frame_data['framesbetweenreferences'] <= 65535) {
$framedata .= BigEndian2String($frame_data['framesbetweenreferences'], 2, FALSE);
} else {
$error .= 'Invalid MPEG Frames Between References in ' . $frame_name . ' (' . $frame_data['framesbetweenreferences'] . ')<BR>';
}
if ($frame_data['bytesbetweenreferences'] > 0 && $frame_data['bytesbetweenreferences'] <= 16777215) {
$framedata .= BigEndian2String($frame_data['bytesbetweenreferences'], 3, FALSE);
} else {
$error .= 'Invalid bytes Between References in ' . $frame_name . ' (' . $frame_data['bytesbetweenreferences'] . ')<BR>';
}
if ($frame_data['msbetweenreferences'] > 0 && $frame_data['msbetweenreferences'] <= 16777215) {
$framedata .= BigEndian2String($frame_data['msbetweenreferences'], 3, FALSE);
} else {
$error .= 'Invalid Milliseconds Between References in ' . $frame_name . ' (' . $frame_data['msbetweenreferences'] . ')<BR>';
}
if (!IsWithinBitRange($frame_data['bitsforbytesdeviation'], 8, FALSE)) {
if ($frame_data['bitsforbytesdeviation'] % 4 == 0) {
$framedata .= chr($frame_data['bitsforbytesdeviation']);
} else {
$error .= 'Bits For Bytes Deviation in ' . $frame_name . ' (' . $frame_data['bitsforbytesdeviation'] . ') must be a multiple of 4.<BR>';
}
} else {
$error .= 'Invalid Bits For Bytes Deviation in ' . $frame_name . ' (' . $frame_data['bitsforbytesdeviation'] . ')<BR>';
}
if (!IsWithinBitRange($frame_data['bitsformsdeviation'], 8, FALSE)) {
if ($frame_data['bitsformsdeviation'] % 4 == 0) {
$framedata .= chr($frame_data['bitsformsdeviation']);
} else {
$error .= 'Bits For Milliseconds Deviation in ' . $frame_name . ' (' . $frame_data['bitsforbytesdeviation'] . ') must be a multiple of 4.<BR>';
}
} else {
$error .= 'Invalid Bits For Milliseconds Deviation in ' . $frame_name . ' (' . $frame_data['bitsformsdeviation'] . ')<BR>';
}
foreach ($frame_data as $key => $val) {
if ($key != 'framesbetweenreferences' && $key != 'bytesbetweenreferences' && $key != 'msbetweenreferences' && $key != 'bitsforbytesdeviation' && $key != 'bitsformsdeviation' && $key != 'flags') {
$unwrittenbitstream .= str_pad(Dec2Bin($val['bytedeviation']), $frame_data['bitsforbytesdeviation'], '0', STR_PAD_LEFT);
$unwrittenbitstream .= str_pad(Dec2Bin($val['msdeviation']), $frame_data['bitsformsdeviation'], '0', STR_PAD_LEFT);
}
}
for ($i = 0; $i < strlen($unwrittenbitstream); $i += 8) {
$highnibble = bindec(substr($unwrittenbitstream, $i, 4)) << 4;
$lownibble = bindec(substr($unwrittenbitstream, $i + 4, 4));
$framedata .= chr($highnibble & $lownibble);
}
break;
case 'SYTC':
// 4.7 SYTC Synchronised tempo codes
// Time stamp format $xx
// Tempo data <binary data>
// Where time stamp format is:
// $01 (32-bit value) MPEG frames from beginning of file
// $02 (32-bit value) milliseconds from beginning of file
if ($frame_data['timestampformat'] > 2 || $frame_data['timestampformat'] < 1) {
$error .= 'Invalid Time Stamp Format byte in ' . $frame_name . ' (' . $frame_data['timestampformat'] . ')<BR>';
} else {
$framedata .= chr($frame_data['timestampformat']);
foreach ($frame_data as $key => $val) {
if (!IsValidETCOevent($val['typeid'], $majorversion)) {
$error .= 'Invalid Event Type byte in ' . $frame_name . ' (' . $val['typeid'] . ')<BR>';
} else {
if ($key != 'timestampformat' && $key != 'flags') {
if ($val['tempo'] < 0 || $val['tempo'] > 510) {
$error .= 'Invalid Tempo (max = 510) in ' . $frame_name . ' (' . $val['tempo'] . ') at timestamp (' . $val['timestamp'] . ')<BR>';
} else {
if ($val['tempo'] > 255) {
$framedata .= chr(255);
$val['tempo'] -= 255;
}
$framedata .= chr($val['tempo']);
$framedata .= BigEndian2String($val['timestamp'], 4, FALSE);
}
}
}
}
}
break;
case 'USLT':
// 4.8 USLT Unsynchronised lyric/text transcription
// Text encoding $xx
// Language $xx xx xx
// Content descriptor <text string according to encoding> $00 (00)
// Lyrics/text <full text string according to encoding>
if (!IsValidTextEncoding($frame_data['encodingid'], $majorversion)) {
$error .= 'Invalid Text Encoding in ' . $frame_name . ' (' . $frame_data['encodingid'] . ') for ID3v2.' . $majorversion . '<BR>';
} else {
if (LanguageLookup($frame_data['language'], TRUE) == '') {
$error .= 'Invalid Language in ' . $frame_name . ' (' . $frame_data['language'] . ')<BR>';
} else {
$framedata .= chr($frame_data['encodingid']);
$framedata .= strtolower($frame_data['language']);
$framedata .= $frame_data['description'] . TextEncodingLookup('terminator', $frame_data['encodingid']);
$framedata .= $frame_data['data'];
}
}
break;
case 'SYLT':
// 4.9 SYLT Synchronised lyric/text
// 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 $xx (xx ...)
if (!IsValidTextEncoding($frame_data['encodingid'], $majorversion)) {
$error .= 'Invalid Text Encoding in ' . $frame_name . ' (' . $frame_data['encodingid'] . ') for ID3v2.' . $majorversion . '<BR>';
} else {
if (LanguageLookup($frame_data['language'], TRUE) == '') {
$error .= 'Invalid Language in ' . $frame_name . ' (' . $frame_data['language'] . ')<BR>';
} else {
if ($frame_data['timestampformat'] > 2 || $frame_data['timestampformat'] < 1) {
$error .= 'Invalid Time Stamp Format byte in ' . $frame_name . ' (' . $frame_data['timestampformat'] . ')<BR>';
} else {
if (!IsValidSYLTtype($frame_data['contenttypeid'], $majorversion)) {
$error .= 'Invalid Content Type byte in ' . $frame_name . ' (' . $frame_data['contenttypeid'] . ')<BR>';
} else {
if (!is_array($frame_data['data'])) {
$error .= 'Invalid Lyric/Timestamp data in ' . $frame_name . ' (must be an array)<BR>';
} else {
$framedata .= chr($frame_data['encodingid']);
$framedata .= strtolower($frame_data['language']);
$framedata .= chr($frame_data['timestampformat']);
$framedata .= chr($frame_data['contenttypeid']);
$framedata .= $frame_data['description'] . TextEncodingLookup('terminator', $frame_data['encodingid']);
ksort($frame_data['data']);
foreach ($frame_data['data'] as $key => $val) {
$framedata .= $val['data'] . TextEncodingLookup('terminator', $frame_data['encodingid']);
$framedata .= BigEndian2String($val['timestamp'], 4, FALSE);
}
}
}
}
}
}
break;
case 'COMM':
// 4.10 COMM Comments
// Text encoding $xx
// Language $xx xx xx
// Short content descrip. <text string according to encoding> $00 (00)
// The actual text <full text string according to encoding>
if (!IsValidTextEncoding($frame_data['encodingid'], $majorversion)) {
$error .= 'Invalid Text Encoding in ' . $frame_name . ' (' . $frame_data['encodingid'] . ') for ID3v2.' . $majorversion . '<BR>';
} else {
if (LanguageLookup($frame_data['language'], TRUE) == '') {
$error .= 'Invalid Language in ' . $frame_name . ' (' . $frame_data['language'] . ')<BR>';
} else {
$framedata .= chr($frame_data['encodingid']);
$framedata .= strtolower($frame_data['language']);
$framedata .= $frame_data['description'] . TextEncodingLookup('terminator', $frame_data['encodingid']);
$framedata .= $frame_data['data'];
}
}
break;
case 'RVA2':
// 4.11 RVA2 Relative volume adjustment (2) (ID3v2.4+ only)
// 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 ...)
$framedata .= str_replace(chr(0), '', $frame_data['description']) . chr(0);
foreach ($frame_data as $key => $val) {
if ($key != 'description') {
$framedata .= chr($val['channeltypeid']);
$framedata .= substr(str_pad(dechex($val['volumeadjust']), 8, '0', STR_PAD_LEFT), 4, 4);
// signed 16-bit
if (!IsWithinBitRange($frame_data['bitspeakvolume'], 8, FALSE)) {
$framedata .= chr($val['bitspeakvolume']);
if ($val['bitspeakvolume'] > 0) {
$framedata .= BigEndian2String($val['peakvolume'], ceil($val['bitspeakvolume'] / 8), FALSE);
}
} else {
$error .= 'Invalid Bits Representing Peak Volume in ' . $frame_name . ' (' . $val['bitspeakvolume'] . ') (range = 0 to 255)<BR>';
}
}
}
break;
case 'RVAD':
// 4.12 RVAD Relative volume adjustment (ID3v2.3 only)
// 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 ...)
// 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 ...)
// Relative volume change, center $xx xx (xx ...) // e
// Peak volume center $xx xx (xx ...)
// Relative volume change, bass $xx xx (xx ...) // f
// Peak volume bass $xx xx (xx ...)
if (!IsWithinBitRange($frame_data['bitsvolume'], 8, FALSE)) {
$error .= 'Invalid Bits For Volume Description byte in ' . $frame_name . ' (' . $frame_data['bitsvolume'] . ') (range = 1 to 255)<BR>';
} else {
$incdecflag .= '00';
$incdecflag .= Bool2IntString($frame_data['incdec']['right']);
// a - Relative volume change, right
$incdecflag .= Bool2IntString($frame_data['incdec']['left']);
// b - Relative volume change, left
$incdecflag .= Bool2IntString($frame_data['incdec']['rightrear']);
// c - Relative volume change, right back
$incdecflag .= Bool2IntString($frame_data['incdec']['leftrear']);
// d - Relative volume change, left back
$incdecflag .= Bool2IntString($frame_data['incdec']['center']);
// e - Relative volume change, center
$incdecflag .= Bool2IntString($frame_data['incdec']['bass']);
// f - Relative volume change, bass
$framedata .= chr(bindec($incdecflag));
$framedata .= chr($frame_data['bitsvolume']);
$framedata .= BigEndian2String($frame_data['volumechange']['right'], ceil($frame_data['bitsvolume'] / 8), FALSE);
$framedata .= BigEndian2String($frame_data['volumechange']['left'], ceil($frame_data['bitsvolume'] / 8), FALSE);
$framedata .= BigEndian2String($frame_data['peakvolume']['right'], ceil($frame_data['bitsvolume'] / 8), FALSE);
$framedata .= BigEndian2String($frame_data['peakvolume']['left'], ceil($frame_data['bitsvolume'] / 8), FALSE);
if ($frame_data['volumechange']['rightrear'] || $frame_data['volumechange']['leftrear'] || $frame_data['peakvolume']['rightrear'] || $frame_data['peakvolume']['leftrear'] || $frame_data['volumechange']['center'] || $frame_data['peakvolume']['center'] || $frame_data['volumechange']['bass'] || $frame_data['peakvolume']['bass']) {
$framedata .= BigEndian2String($frame_data['volumechange']['rightrear'], ceil($frame_data['bitsvolume'] / 8), FALSE);
$framedata .= BigEndian2String($frame_data['volumechange']['leftrear'], ceil($frame_data['bitsvolume'] / 8), FALSE);
$framedata .= BigEndian2String($frame_data['peakvolume']['rightrear'], ceil($frame_data['bitsvolume'] / 8), FALSE);
$framedata .= BigEndian2String($frame_data['peakvolume']['leftrear'], ceil($frame_data['bitsvolume'] / 8), FALSE);
}
if ($frame_data['volumechange']['center'] || $frame_data['peakvolume']['center'] || $frame_data['volumechange']['bass'] || $frame_data['peakvolume']['bass']) {
$framedata .= BigEndian2String($frame_data['volumechange']['center'], ceil($frame_data['bitsvolume'] / 8), FALSE);
$framedata .= BigEndian2String($frame_data['peakvolume']['center'], ceil($frame_data['bitsvolume'] / 8), FALSE);
}
if ($frame_data['volumechange']['bass'] || $frame_data['peakvolume']['bass']) {
$framedata .= BigEndian2String($frame_data['volumechange']['bass'], ceil($frame_data['bitsvolume'] / 8), FALSE);
$framedata .= BigEndian2String($frame_data['peakvolume']['bass'], ceil($frame_data['bitsvolume'] / 8), FALSE);
}
}
break;
case 'EQU2':
// 4.12 EQU2 Equalisation (2) (ID3v2.4+ only)
// 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 $xx xx
if ($frame_data['interpolationmethod'] < 0 || $frame_data['interpolationmethod'] > 1) {
$error .= 'Invalid Interpolation Method byte in ' . $frame_name . ' (' . $frame_data['interpolationmethod'] . ') (valid = 0 or 1)<BR>';
} else {
$framedata .= chr($frame_data['interpolationmethod']);
$framedata .= str_replace(chr(0), '', $frame_data['description']) . chr(0);
foreach ($frame_data['data'] as $key => $val) {
$framedata .= BigEndian2String(round($key * 2), 2, FALSE);
$framedata .= substr(str_pad(dechex($val), 4, '0', STR_PAD_LEFT), 4, 4);
// signed 16-bit
}
}
break;
case 'EQUA':
// 4.12 EQUA Equalisation (ID3v2.3 only)
// 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 $xx (xx ...)
if (!IsWithinBitRange($frame_data['bitsvolume'], 8, FALSE)) {
$error .= 'Invalid Adjustment Bits byte in ' . $frame_name . ' (' . $frame_data['bitsvolume'] . ') (range = 1 to 255)<BR>';
} else {
$framedata .= chr($frame_data['adjustmentbits']);
foreach ($frame_data as $key => $val) {
if ($key != 'bitsvolume') {
if ($key > 32767 || $key < 0) {
$error .= 'Invalid Frequency in ' . $frame_name . ' (' . $key . ') (range = 0 to 32767)<BR>';
} else {
if ($val >= 0) {
// put MSB of frequency to 1 if increment, 0 if decrement
$key |= 0x8000;
}
$framedata .= BigEndian2String($key, 2, FALSE);
$framedata .= BigEndian2String($val, ceil($frame_data['adjustmentbits'] / 8), FALSE);
}
}
}
}
break;
case 'RVRB':
// 4.13 RVRB Reverb
// 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 $xx
if (!IsWithinBitRange($frame_data['left'], 16, FALSE)) {
$error .= 'Invalid Reverb Left in ' . $frame_name . ' (' . $frame_data['left'] . ') (range = 0 to 65535)<BR>';
} else {
if (!IsWithinBitRange($frame_data['right'], 16, FALSE)) {
$error .= 'Invalid Reverb Left in ' . $frame_name . ' (' . $frame_data['right'] . ') (range = 0 to 65535)<BR>';
} else {
if (!IsWithinBitRange($frame_data['bouncesL'], 8, FALSE)) {
$error .= 'Invalid Reverb Bounces, Left in ' . $frame_name . ' (' . $frame_data['bouncesL'] . ') (range = 0 to 255)<BR>';
} else {
if (!IsWithinBitRange($frame_data['bouncesR'], 8, FALSE)) {
$error .= 'Invalid Reverb Bounces, Right in ' . $frame_name . ' (' . $frame_data['bouncesR'] . ') (range = 0 to 255)<BR>';
} else {
if (!IsWithinBitRange($frame_data['feedbackLL'], 8, FALSE)) {
$error .= 'Invalid Reverb Feedback, Left-To-Left in ' . $frame_name . ' (' . $frame_data['feedbackLL'] . ') (range = 0 to 255)<BR>';
} else {
if (!IsWithinBitRange($frame_data['feedbackLR'], 8, FALSE)) {
$error .= 'Invalid Reverb Feedback, Left-To-Right in ' . $frame_name . ' (' . $frame_data['feedbackLR'] . ') (range = 0 to 255)<BR>';
} else {
if (!IsWithinBitRange($frame_data['feedbackRR'], 8, FALSE)) {
$error .= 'Invalid Reverb Feedback, Right-To-Right in ' . $frame_name . ' (' . $frame_data['feedbackRR'] . ') (range = 0 to 255)<BR>';
} else {
if (!IsWithinBitRange($frame_data['feedbackRL'], 8, FALSE)) {
$error .= 'Invalid Reverb Feedback, Right-To-Left in ' . $frame_name . ' (' . $frame_data['feedbackRL'] . ') (range = 0 to 255)<BR>';
} else {
if (!IsWithinBitRange($frame_data['premixLR'], 8, FALSE)) {
$error .= 'Invalid Premix, Left-To-Right in ' . $frame_name . ' (' . $frame_data['premixLR'] . ') (range = 0 to 255)<BR>';
} else {
if (!IsWithinBitRange($frame_data['premixRL'], 8, FALSE)) {
$error .= 'Invalid Premix, Right-To-Left in ' . $frame_name . ' (' . $frame_data['premixRL'] . ') (range = 0 to 255)<BR>';
} else {
$framedata .= BigEndian2String($frame_data['left'], 2, FALSE);
$framedata .= BigEndian2String($frame_data['right'], 2, FALSE);
$framedata .= chr($frame_data['bouncesL']);
$framedata .= chr($frame_data['bouncesR']);
$framedata .= chr($frame_data['feedbackLL']);
$framedata .= chr($frame_data['feedbackLR']);
$framedata .= chr($frame_data['feedbackRR']);
$framedata .= chr($frame_data['feedbackRL']);
$framedata .= chr($frame_data['premixLR']);
$framedata .= chr($frame_data['premixRL']);
}
}
}
}
}
}
}
}
}
}
break;
case 'APIC':
// 4.14 APIC Attached picture
// Text encoding $xx
// MIME type <text string> $00
// Picture type $xx
// Description <text string according to encoding> $00 (00)
// Picture data <binary data>
if (!IsValidTextEncoding($frame_data['encodingid'], $majorversion)) {
$error .= 'Invalid Text Encoding in ' . $frame_name . ' (' . $frame_data['encodingid'] . ') for ID3v2.' . $majorversion . '<BR>';
} else {
if (!IsValidAPICpicturetype($frame_data['picturetypeid'], $majorversion)) {
$error .= 'Invalid Picture Type byte in ' . $frame_name . ' (' . $frame_data['picturetypeid'] . ') for ID3v2.' . $majorversion . '<BR>';
} else {
if ($majorversion >= 3 && !IsValidAPICimageformat($frame_data['mime'], $majorversion)) {
$error .= 'Invalid MIME Type in ' . $frame_name . ' (' . $frame_data['mime'] . ') for ID3v2.' . $majorversion . '<BR>';
} else {
if ($frame_data['mime'] == '-->' && !IsValidURL($frame_data['data'], FALSE, FALSE)) {
$error .= 'Invalid URL in ' . $frame_name . ' (' . $frame_data['data'] . ')<BR>';
} else {
$framedata .= chr($frame_data['encodingid']);
$framedata .= str_replace(chr(0), '', $frame_data['mime']) . chr(0);
$framedata .= chr($frame_data['picturetypeid']);
$framedata .= $frame_data['description'] . TextEncodingLookup('terminator', $frame_data['encodingid']);
$framedata .= $frame_data['data'];
}
}
}
}
break;
case 'GEOB':
// 4.15 GEOB General encapsulated object
// Text encoding $xx
// MIME type <text string> $00
// Filename <text string according to encoding> $00 (00)
// Content description <text string according to encoding> $00 (00)
// Encapsulated object <binary data>
if (!IsValidTextEncoding($frame_data['encodingid'], $majorversion)) {
$error .= 'Invalid Text Encoding in ' . $frame_name . ' (' . $frame_data['encodingid'] . ') for ID3v2.' . $majorversion . '<BR>';
} else {
if (!IsValidMIMEstring($frame_data['mime'])) {
$error .= 'Invalid MIME Type in ' . $frame_name . ' (' . $frame_data['mime'] . ')<BR>';
} else {
if (!$frame_data['description']) {
$error .= 'Missing Description in ' . $frame_name . '<BR>';
} else {
$framedata .= chr($frame_data['encodingid']);
$framedata .= str_replace(chr(0), '', $frame_data['mime']) . chr(0);
$framedata .= $frame_data['filename'] . TextEncodingLookup('terminator', $frame_data['encodingid']);
$framedata .= $frame_data['description'] . TextEncodingLookup('terminator', $frame_data['encodingid']);
$framedata .= $frame_data['data'];
}
}
}
break;
case 'PCNT':
// 4.16 PCNT Play counter
// When the counter reaches all one's, one byte is inserted in
// front of the counter thus making the counter eight bits bigger
// Counter $xx xx xx xx (xx ...)
$framedata .= BigEndian2String($frame_data['data'], 4, FALSE);
break;
case 'POPM':
// 4.17 POPM Popularimeter
// When the counter reaches all one's, one byte is inserted in
// front of the counter thus making the counter eight bits bigger
// Email to user <text string> $00
// Rating $xx
// Counter $xx xx xx xx (xx ...)
if (!IsWithinBitRange($frame_data['rating'], 8, FALSE)) {
$error .= 'Invalid Rating byte in ' . $frame_name . ' (' . $frame_data['rating'] . ') (range = 0 to 255)<BR>';
} else {
if (!IsValidEmail($frame_data['email'])) {
$error .= 'Invalid Email in ' . $frame_name . ' (' . $frame_data['email'] . ')<BR>';
} else {
$framedata .= str_replace(chr(0), '', $frame_data['email']) . chr(0);
$framedata .= chr($frame_data['rating']);
$framedata .= BigEndian2String($frame_data['data'], 4, FALSE);
}
}
break;
case 'RBUF':
// 4.18 RBUF Recommended buffer size
// Buffer size $xx xx xx
// Embedded info flag %0000000x
// Offset to next tag $xx xx xx xx
if (!IsWithinBitRange($frame_data['buffersize'], 24, FALSE)) {
$error .= 'Invalid Buffer Size in ' . $frame_name . '<BR>';
} else {
if (!IsWithinBitRange($frame_data['nexttagoffset'], 32, FALSE)) {
$error .= 'Invalid Offset To Next Tag in ' . $frame_name . '<BR>';
} else {
$framedata .= BigEndian2String($frame_data['buffersize'], 3, FALSE);
$flag .= '0000000';
$flag .= Bool2IntString($frame_data['flags']['embededinfo']);
$framedata .= chr(bindec($flag));
$framedata .= BigEndian2String($frame_data['nexttagoffset'], 4, FALSE);
}
}
break;
case 'AENC':
// 4.19 AENC Audio encryption
// Owner identifier <text string> $00
// Preview start $xx xx
// Preview length $xx xx
// Encryption info <binary data>
if (!IsWithinBitRange($frame_data['previewstart'], 16, FALSE)) {
$error .= 'Invalid Preview Start in ' . $frame_name . ' (' . $frame_data['previewstart'] . ')<BR>';
} else {
if (!IsWithinBitRange($frame_data['previewlength'], 16, FALSE)) {
$error .= 'Invalid Preview Length in ' . $frame_name . ' (' . $frame_data['previewlength'] . ')<BR>';
} else {
$framedata .= str_replace(chr(0), '', $frame_data['ownerid']) . chr(0);
$framedata .= BigEndian2String($frame_data['previewstart'], 2, FALSE);
$framedata .= BigEndian2String($frame_data['previewlength'], 2, FALSE);
$framedata .= $frame_data['encryptioninfo'];
}
}
break;
case 'LINK':
// 4.20 LINK Linked information
// Frame identifier $xx xx xx xx
// URL <text string> $00
// ID and additional data <text string(s)>
if (!IsValidID3v2FrameName($frame_data['frameid'], $majorversion)) {
$error .= 'Invalid Frame Identifier in ' . $frame_name . ' (' . $frame_data['frameid'] . ')<BR>';
} else {
if (!IsValidURL($frame_data['url'], TRUE, FALSE)) {
$error .= 'Invalid URL in ' . $frame_name . ' (' . $frame_data['url'] . ')<BR>';
} else {
if (($frame_data['frameid'] == 'AENC' || $frame_data['frameid'] == 'APIC' || $frame_data['frameid'] == 'GEOB' || $frame_data['frameid'] == 'TXXX') && $frame_data['additionaldata'] == '') {
$error .= 'Content Descriptor must be specified as additional data for Frame Identifier of ' . $frame_data['frameid'] . ' in ' . $frame_name . '<BR>';
} else {
if ($frame_data['frameid'] == 'USER' && LanguageLookup($frame_data['additionaldata'], TRUE) == '') {
$error .= 'Language must be specified as additional data for Frame Identifier of ' . $frame_data['frameid'] . ' in ' . $frame_name . '<BR>';
} else {
if ($frame_data['frameid'] == 'PRIV' && $frame_data['additionaldata'] == '') {
$error .= 'Owner Identifier must be specified as additional data for Frame Identifier of ' . $frame_data['frameid'] . ' in ' . $frame_name . '<BR>';
} else {
if (($frame_data['frameid'] == 'COMM' || $frame_data['frameid'] == 'SYLT' || $frame_data['frameid'] == 'USLT') && (LanguageLookup(substr($frame_data['additionaldata'], 0, 3), TRUE) == '' || substr($frame_data['additionaldata'], 3) == '')) {
$error .= 'Language followed by Content Descriptor must be specified as additional data for Frame Identifier of ' . $frame_data['frameid'] . ' in ' . $frame_name . '<BR>';
} else {
$framedata .= $frame_data['frameid'];
$framedata .= str_replace(chr(0), '', $frame_data['url']) . chr(0);
switch ($frame_data['frameid']) {
case 'COMM':
case 'SYLT':
case 'USLT':
case 'PRIV':
case 'USER':
case 'AENC':
case 'APIC':
case 'GEOB':
case 'TXXX':
$framedata .= $frame_data['additionaldata'];
break;
case 'ASPI':
case 'ETCO':
case 'EQU2':
case 'MCID':
case 'MLLT':
case 'OWNE':
case 'RVA2':
case 'RVRB':
case 'SYTC':
case 'IPLS':
case 'RVAD':
case 'EQUA':
// no additional data required
break;
case 'RBUF':
if ($majorversion == 3) {
// no additional data required
} else {
$error .= $frame_data['frameid'] . ' is not a valid Frame Identifier in ' . $frame_name . ' (in ID3v2.' . $majorversion . ')<BR>';
}
default:
if (substr($frame_data['frameid'], 0, 1) == 'T' || substr($frame_data['frameid'], 0, 1) == 'W') {
// no additional data required
} else {
$error .= $frame_data['frameid'] . ' is not a valid Frame Identifier in ' . $frame_name . ' (in ID3v2.' . $majorversion . ')<BR>';
}
break;
}
}
}
}
}
}
}
break;
case 'POSS':
// 4.21 POSS Position synchronisation frame (ID3v2.3+ only)
// Time stamp format $xx
// Position $xx (xx ...)
if ($frame_data['timestampformat'] < 1 || $frame_data['timestampformat'] > 2) {
$error .= 'Invalid Time Stamp Format in ' . $frame_name . ' (' . $frame_data['timestampformat'] . ') (valid = 1 or 2)<BR>';
} else {
if (!IsWithinBitRange($frame_data['position'], 32, FALSE)) {
$error .= 'Invalid Position in ' . $frame_name . ' (' . $frame_data['position'] . ') (range = 0 to 4294967295)<BR>';
} else {
$framedata .= chr($frame_data['timestampformat']);
$framedata .= BigEndian2String($frame_data['position'], 4, FALSE);
}
}
break;
case 'USER':
// 4.22 USER Terms of use (ID3v2.3+ only)
// Text encoding $xx
// Language $xx xx xx
// The actual text <text string according to encoding>
if (!IsValidTextEncoding($frame_data['encodingid'], $majorversion)) {
$error .= 'Invalid Text Encoding in ' . $frame_name . ' (' . $frame_data['encodingid'] . ')<BR>';
} else {
if (LanguageLookup($frame_data['language'], TRUE) == '') {
$error .= 'Invalid Language in ' . $frame_name . ' (' . $frame_data['language'] . ')<BR>';
} else {
$framedata .= chr($frame_data['encodingid']);
$framedata .= strtolower($frame_data['language']);
$framedata .= $frame_data['data'];
}
}
break;
case 'OWNE':
// 4.23 OWNE Ownership frame (ID3v2.3+ only)
// Text encoding $xx
// Price paid <text string> $00
// Date of purch. <text string>
// Seller <text string according to encoding>
if (!IsValidTextEncoding($frame_data['encodingid'], $majorversion)) {
$error .= 'Invalid Text Encoding in ' . $frame_name . ' (' . $frame_data['encodingid'] . ')<BR>';
} else {
if (!IsANumber($frame_data['pricepaid']['value'], FALSE)) {
$error .= 'Invalid Price Paid in ' . $frame_name . ' (' . $frame_data['pricepaid']['value'] . ')<BR>';
} else {
if (!IsValidDateStampString($frame_data['purchasedate'])) {
$error .= 'Invalid Date Of Purchase in ' . $frame_name . ' (' . $frame_data['purchasedate'] . ') (format = YYYYMMDD)<BR>';
} else {
$framedata .= chr($frame_data['encodingid']);
$framedata .= str_replace(chr(0), '', $frame_data['pricepaid']['value']) . chr(0);
$framedata .= $frame_data['purchasedate'];
$framedata .= $frame_data['seller'];
}
}
}
break;
case 'COMR':
// 4.24 COMR Commercial frame (ID3v2.3+ only)
// 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> $00
// Seller logo <binary data>
if (!IsValidTextEncoding($frame_data['encodingid'], $majorversion)) {
$error .= 'Invalid Text Encoding in ' . $frame_name . ' (' . $frame_data['encodingid'] . ')<BR>';
} else {
if (!IsValidDateStampString($frame_data['pricevaliduntil'])) {
$error .= 'Invalid Valid Until date in ' . $frame_name . ' (' . $frame_data['pricevaliduntil'] . ') (format = YYYYMMDD)<BR>';
} else {
if (!IsValidURL($frame_data['contacturl'], FALSE, TRUE)) {
$error .= 'Invalid Contact URL in ' . $frame_name . ' (' . $frame_data['contacturl'] . ') (allowed schemes: http, https, ftp, mailto)<BR>';
} else {
if (!IsValidCOMRreceivedas($frame_data['receivedasid'], $majorversion)) {
$error .= 'Invalid Received As byte in ' . $frame_name . ' (' . $frame_data['contacturl'] . ') (range = 0 to 8)<BR>';
} else {
if (!IsValidMIMEstring($frame_data['mime'])) {
$error .= 'Invalid MIME Type in ' . $frame_name . ' (' . $frame_data['mime'] . ')<BR>';
} else {
$framedata .= chr($frame_data['encodingid']);
unset($pricestring);
foreach ($frame_data['price'] as $key => $val) {
if (IsValidPriceString($key . $val['value'])) {
$pricestrings[] = $key . $val['value'];
} else {
$error .= 'Invalid Price String in ' . $frame_name . ' (' . $key . $val['value'] . ')<BR>';
}
}
$framedata .= implode('/', $pricestrings);
$framedata .= $frame_data['pricevaliduntil'];
$framedata .= str_replace(chr(0), '', $frame_data['contacturl']) . chr(0);
$framedata .= chr($frame_data['receivedasid']);
$framedata .= $frame_data['sellername'] . TextEncodingLookup('terminator', $frame_data['encodingid']);
$framedata .= $frame_data['description'] . TextEncodingLookup('terminator', $frame_data['encodingid']);
$framedata .= $frame_data['mime'] . chr(0);
$framedata .= $frame_data['logo'];
}
}
}
}
}
break;
case 'ENCR':
// 4.25 ENCR Encryption method registration (ID3v2.3+ only)
// Owner identifier <text string> $00
// Method symbol $xx
// Encryption data <binary data>
if (!IsWithinBitRange($frame_data['methodsymbol'], 8, FALSE)) {
$error .= 'Invalid Group Symbol in ' . $frame_name . ' (' . $frame_data['methodsymbol'] . ') (range = 0 to 255)<BR>';
} else {
$framedata .= str_replace(chr(0), '', $frame_data['ownerid']) . chr(0);
$framedata .= ord($frame_data['methodsymbol']);
$framedata .= $frame_data['data'];
}
break;
case 'GRID':
// 4.26 GRID Group identification registration (ID3v2.3+ only)
// Owner identifier <text string> $00
// Group symbol $xx
// Group dependent data <binary data>
if (!IsWithinBitRange($frame_data['groupsymbol'], 8, FALSE)) {
$error .= 'Invalid Group Symbol in ' . $frame_name . ' (' . $frame_data['groupsymbol'] . ') (range = 0 to 255)<BR>';
} else {
$framedata .= str_replace(chr(0), '', $frame_data['ownerid']) . chr(0);
$framedata .= ord($frame_data['groupsymbol']);
$framedata .= $frame_data['data'];
}
break;
case 'PRIV':
// 4.27 PRIV Private frame (ID3v2.3+ only)
// Owner identifier <text string> $00
// The private data <binary data>
$framedata .= str_replace(chr(0), '', $frame_data['ownerid']) . chr(0);
$framedata .= $frame_data['data'];
break;
case 'SIGN':
// 4.28 SIGN Signature frame (ID3v2.4+ only)
// Group symbol $xx
// Signature <binary data>
if (!IsWithinBitRange($frame_data['groupsymbol'], 8, FALSE)) {
$error .= 'Invalid Group Symbol in ' . $frame_name . ' (' . $frame_data['groupsymbol'] . ') (range = 0 to 255)<BR>';
} else {
$framedata .= ord($frame_data['groupsymbol']);
$framedata .= $frame_data['data'];
}
break;
case 'SEEK':
// 4.29 SEEK Seek frame (ID3v2.4+ only)
// Minimum offset to next tag $xx xx xx xx
if (!IsWithinBitRange($frame_data['data'], 32, FALSE)) {
$error .= 'Invalid Minimum Offset in ' . $frame_name . ' (' . $frame_data['data'] . ') (range = 0 to 4294967295)<BR>';
} else {
$framedata .= BigEndian2String($frame_data['data'], 4, FALSE);
}
break;
case 'ASPI':
// 4.30 ASPI Audio seek point index (ID3v2.4+ only)
// 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) $xx (xx)
if (!IsWithinBitRange($frame_data['datastart'], 32, FALSE)) {
$error .= 'Invalid Indexed Data Start in ' . $frame_name . ' (' . $frame_data['datastart'] . ') (range = 0 to 4294967295)<BR>';
} else {
if (!IsWithinBitRange($frame_data['datalength'], 32, FALSE)) {
$error .= 'Invalid Indexed Data Length in ' . $frame_name . ' (' . $frame_data['datalength'] . ') (range = 0 to 4294967295)<BR>';
} else {
if (!IsWithinBitRange($frame_data['indexpoints'], 16, FALSE)) {
$error .= 'Invalid Number Of Index Points in ' . $frame_name . ' (' . $frame_data['indexpoints'] . ') (range = 0 to 65535)<BR>';
} else {
if (!IsWithinBitRange($frame_data['bitsperpoint'], 8, FALSE)) {
$error .= 'Invalid Bits Per Index Point in ' . $frame_name . ' (' . $frame_data['bitsperpoint'] . ') (range = 0 to 255)<BR>';
} else {
if ($frame_data['indexpoints'] != count($frame_data['indexes'])) {
$error .= 'Number Of Index Points does not match actual supplied data in ' . $frame_name . '<BR>';
} else {
$framedata .= BigEndian2String($frame_data['datastart'], 4, FALSE);
$framedata .= BigEndian2String($frame_data['datalength'], 4, FALSE);
$framedata .= BigEndian2String($frame_data['indexpoints'], 2, FALSE);
$framedata .= BigEndian2String($frame_data['bitsperpoint'], 1, FALSE);
foreach ($frame_data['indexes'] as $key => $val) {
$framedata .= BigEndian2String($val, ceil($frame_data['bitsperpoint'] / 8), FALSE);
}
}
}
}
}
}
break;
case 'RGAD':
// RGAD Replay Gain Adjustment
// http://privatewww.essex.ac.uk/~djmrob/replaygain/
// Peak Amplitude $xx $xx $xx $xx
// Radio Replay Gain Adjustment %aaabbbcd %dddddddd
// Audiophile Replay Gain Adjustment %aaabbbcd %dddddddd
// a - name code
// b - originator code
// c - sign bit
// d - replay gain adjustment
if ($frame_data['radio_adjustment'] > 51 || $frame_data['radio_adjustment'] < -51) {
$error .= 'Invalid Radio Adjustment in ' . $frame_name . ' (' . $frame_data['radio_adjustment'] . ') (range = -51.0 to +51.0)<BR>';
} else {
if ($frame_data['audiophile_adjustment'] > 51 || $frame_data['audiophile_adjustment'] < -51) {
$error .= 'Invalid Audiophile Adjustment in ' . $frame_name . ' (' . $frame_data['audiophile_adjustment'] . ') (range = -51.0 to +51.0)<BR>';
} else {
if (!IsValidRGADname($frame_data['raw']['radio_name'], $majorversion)) {
$error .= 'Invalid Radio Name Code in ' . $frame_name . ' (' . $frame_data['raw']['radio_name'] . ') (range = 0 to 2)<BR>';
} else {
if (!IsValidRGADname($frame_data['raw']['audiophile_name'], $majorversion)) {
$error .= 'Invalid Audiophile Name Code in ' . $frame_name . ' (' . $frame_data['raw']['audiophile_name'] . ') (range = 0 to 2)<BR>';
} else {
if (!IsValidRGADoriginator($frame_data['raw']['radio_originator'], $majorversion)) {
$error .= 'Invalid Radio Originator Code in ' . $frame_name . ' (' . $frame_data['raw']['radio_originator'] . ') (range = 0 to 3)<BR>';
} else {
if (!IsValidRGADoriginator($frame_data['raw']['audiophile_originator'], $majorversion)) {
$error .= 'Invalid Audiophile Originator Code in ' . $frame_name . ' (' . $frame_data['raw']['audiophile_originator'] . ') (range = 0 to 3)<BR>';
} else {
$framedata .= Float2String($frame_data['peakamplitude'], 32);
$framedata .= RGADgainString($frame_data['raw']['radio_name'], $frame_data['raw']['radio_originator'], $frame_data['radio_adjustment']);
$framedata .= RGADgainString($frame_data['raw']['audiophile_name'], $frame_data['raw']['audiophile_originator'], $frame_data['audiophile_adjustment']);
}
}
}
}
}
}
break;
default:
if ($frame_name[0] == 'T') {
// 4.2. T??? Text information frames
// Text encoding $xx
// Information <text string(s) according to encoding>
if (!IsValidTextEncoding($frame_data['encodingid'], $majorversion)) {
$error .= 'Invalid Text Encoding in ' . $frame_name . ' (' . $frame_data['encodingid'] . ') for ID3v2.' . $majorversion . '<BR>';
} else {
$framedata .= chr($frame_data['encodingid']);
$framedata .= $frame_data['data'];
}
} else {
if ($frame_name[0] == 'W') {
// 4.3. W??? URL link frames
// URL <text string>
if (!IsValidURL($frame_data['url'], FALSE, FALSE)) {
$error .= 'Invalid URL in ' . $frame_name . ' (' . $frame_data['url'] . ')<BR>';
} else {
$framedata .= $frame_data['url'];
}
} else {
$error .= $frame_name . ' not yet supported in putid3.php<BR>';
}
}
break;
}
}
if ($error) {
if ($showerrors) {
echo $error;
}
return FALSE;
} else {
return $framedata;
}
}
function ID3v2FrameProcessing($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']["{$frame_name}"]['data']);
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
return TRUE;
}
function getRIFFHeaderFilepointer(&$fd, &$ThisFileInfo)
{
$Original['avdataoffset'] = $ThisFileInfo['avdataoffset'];
$Original['avdataend'] = $ThisFileInfo['avdataend'];
fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
$RIFFheader = fread($fd, 12);
switch (substr($RIFFheader, 0, 4)) {
case 'FORM':
$ThisFileInfo['fileformat'] = 'aiff';
$RIFFheaderSize = EitherEndian2Int($ThisFileInfo, substr($RIFFheader, 4, 4));
$ThisFileInfo['RIFF'][substr($RIFFheader, 8, 4)] = ParseRIFF($fd, $ThisFileInfo['avdataoffset'] + 12, $ThisFileInfo['avdataoffset'] + $RIFFheaderSize, $ThisFileInfo);
$ThisFileInfo['RIFF']['header_size'] = $RIFFheaderSize;
break;
case 'RIFF':
case 'SDSS':
// SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com)
// SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com)
case 'RMP3':
// RMP3 is identical to RIFF, just renamed. Used by [unknown program] when creating RIFF-MP3s
$RIFFtype = substr($RIFFheader, 8, 4);
if ($RIFFtype == 'RMP3') {
$RIFFtype == 'WAVE';
}
$ThisFileInfo['fileformat'] = 'riff';
$RIFFheaderSize = EitherEndian2Int($ThisFileInfo, substr($RIFFheader, 4, 4));
$ThisFileInfo['RIFF']["{$RIFFtype}"] = ParseRIFF($fd, $ThisFileInfo['avdataoffset'] + 12, $ThisFileInfo['avdataoffset'] + $RIFFheaderSize, $ThisFileInfo);
$ThisFileInfo['RIFF']['header_size'] = $RIFFheaderSize;
break;
default:
$ThisFileInfo['error'] .= "\n" . 'Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?)';
unset($ThisFileInfo['fileformat']);
return false;
break;
}
$streamindex = 0;
$arraykeys = array_keys($ThisFileInfo['RIFF']);
switch ($arraykeys[0]) {
case 'WAVE':
case 'RMP3':
// RMP3 is identical to WAVE, just renamed. Used by [unknown program] when creating RIFF-MP3s
if (empty($ThisFileInfo['audio']['bitrate_mode'])) {
$ThisFileInfo['audio']['bitrate_mode'] = 'cbr';
}
if (empty($ThisFileInfo['audio']['dataformat'])) {
$ThisFileInfo['audio']['dataformat'] = 'wav';
}
if (isset($ThisFileInfo['RIFF'][$arraykeys[0]]['data'][0]['offset'])) {
$ThisFileInfo['avdataoffset'] = $ThisFileInfo['RIFF'][$arraykeys[0]]['data'][0]['offset'] + 8;
$ThisFileInfo['avdataend'] = $ThisFileInfo['avdataoffset'] + $ThisFileInfo['RIFF'][$arraykeys[0]]['data'][0]['size'];
}
if (isset($ThisFileInfo['RIFF']['WAVE']['fmt '][0]['data'])) {
$ThisFileInfo['RIFF']['audio'][$streamindex] = RIFFparseWAVEFORMATex($ThisFileInfo['RIFF']['WAVE']['fmt '][0]['data']);
if ($ThisFileInfo['RIFF']['audio'][$streamindex] == 0) {
$ThisFileInfo['error'] .= 'Corrupt RIFF file: bitrate_audio == zero';
return false;
}
$ThisFileInfo['RIFF']['raw']['fmt '] = $ThisFileInfo['RIFF']['audio'][$streamindex]['raw'];
unset($ThisFileInfo['RIFF']['audio'][$streamindex]['raw']);
$ThisFileInfo['audio'] = array_merge_noclobber($ThisFileInfo['audio'], $ThisFileInfo['RIFF']['audio'][$streamindex]);
if (substr($ThisFileInfo['audio']['codec'], 0, strlen('unknown: 0x')) == 'unknown: 0x') {
$ThisFileInfo['warning'] .= "\n" . 'Audio codec = ' . $ThisFileInfo['audio']['codec'];
}
$ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['RIFF']['audio'][$streamindex]['bitrate'];
if ($ThisFileInfo['audio']['bits_per_sample'] == 0) {
unset($ThisFileInfo['audio']['bits_per_sample']);
}
$ThisFileInfo['playtime_seconds'] = (double) (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) * 8 / $ThisFileInfo['audio']['bitrate']);
if (isset($ThisFileInfo['RIFF']['WAVE']['data'][0]['offset']) && isset($ThisFileInfo['RIFF']['raw']['fmt ']['wFormatTag'])) {
$ThisFileInfo['audio']['lossless'] = false;
switch ($ThisFileInfo['RIFF']['raw']['fmt ']['wFormatTag']) {
case 1:
// PCM
$ThisFileInfo['audio']['lossless'] = true;
break;
default:
// do nothing
break;
}
}
}
if (isset($ThisFileInfo['RIFF']['WAVE']['rgad'][0]['data'])) {
require_once GETID3_INCLUDEPATH . 'getid3.rgad.php';
$rgadData = $ThisFileInfo['RIFF']['WAVE']['rgad'][0]['data'];
$ThisFileInfo['RIFF']['raw']['rgad']['fPeakAmplitude'] = LittleEndian2Float(substr($rgadData, 0, 4));
$ThisFileInfo['RIFF']['raw']['rgad']['nRadioRgAdjust'] = EitherEndian2Int($ThisFileInfo, substr($rgadData, 4, 2));
$ThisFileInfo['RIFF']['raw']['rgad']['nAudiophileRgAdjust'] = EitherEndian2Int($ThisFileInfo, substr($rgadData, 6, 2));
$nRadioRgAdjustBitstring = str_pad(Dec2Bin($ThisFileInfo['RIFF']['raw']['rgad']['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT);
$nAudiophileRgAdjustBitstring = str_pad(Dec2Bin($ThisFileInfo['RIFF']['raw']['rgad']['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT);
$ThisFileInfo['RIFF']['raw']['rgad']['radio']['name'] = Bin2Dec(substr($nRadioRgAdjustBitstring, 0, 3));
$ThisFileInfo['RIFF']['raw']['rgad']['radio']['originator'] = Bin2Dec(substr($nRadioRgAdjustBitstring, 3, 3));
$ThisFileInfo['RIFF']['raw']['rgad']['radio']['signbit'] = Bin2Dec(substr($nRadioRgAdjustBitstring, 6, 1));
$ThisFileInfo['RIFF']['raw']['rgad']['radio']['adjustment'] = Bin2Dec(substr($nRadioRgAdjustBitstring, 7, 9));
$ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['name'] = Bin2Dec(substr($nAudiophileRgAdjustBitstring, 0, 3));
$ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['originator'] = Bin2Dec(substr($nAudiophileRgAdjustBitstring, 3, 3));
$ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['signbit'] = Bin2Dec(substr($nAudiophileRgAdjustBitstring, 6, 1));
$ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['adjustment'] = Bin2Dec(substr($nAudiophileRgAdjustBitstring, 7, 9));
$ThisFileInfo['RIFF']['rgad']['peakamplitude'] = $ThisFileInfo['RIFF']['raw']['rgad']['fPeakAmplitude'];
if ($ThisFileInfo['RIFF']['raw']['rgad']['radio']['name'] != 0 && $ThisFileInfo['RIFF']['raw']['rgad']['radio']['originator'] != 0) {
$ThisFileInfo['RIFF']['rgad']['radio']['name'] = RGADnameLookup($ThisFileInfo['RIFF']['raw']['rgad']['radio']['name']);
$ThisFileInfo['RIFF']['rgad']['radio']['originator'] = RGADoriginatorLookup($ThisFileInfo['RIFF']['raw']['rgad']['radio']['originator']);
$ThisFileInfo['RIFF']['rgad']['radio']['adjustment'] = RGADadjustmentLookup($ThisFileInfo['RIFF']['raw']['rgad']['radio']['adjustment'], $ThisFileInfo['RIFF']['raw']['rgad']['radio']['signbit']);
}
if ($ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['name'] != 0 && $ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['originator'] != 0) {
$ThisFileInfo['RIFF']['rgad']['audiophile']['name'] = RGADnameLookup($ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['name']);
$ThisFileInfo['RIFF']['rgad']['audiophile']['originator'] = RGADoriginatorLookup($ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['originator']);
$ThisFileInfo['RIFF']['rgad']['audiophile']['adjustment'] = RGADadjustmentLookup($ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['adjustment'], $ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['signbit']);
}
}
if (isset($ThisFileInfo['RIFF']['WAVE']['fact'][0]['data'])) {
$ThisFileInfo['RIFF']['raw']['fact']['NumberOfSamples'] = EitherEndian2Int($ThisFileInfo, substr($ThisFileInfo['RIFF']['WAVE']['fact'][0]['data'], 0, 4));
if (isset($ThisFileInfo['RIFF']['raw']['fmt ']['nSamplesPerSec']) && $ThisFileInfo['RIFF']['raw']['fmt ']['nSamplesPerSec'] > 0) {
$ThisFileInfo['playtime_seconds'] = (double) $ThisFileInfo['RIFF']['raw']['fact']['NumberOfSamples'] / $ThisFileInfo['RIFF']['raw']['fmt ']['nSamplesPerSec'];
}
if (isset($ThisFileInfo['RIFF']['raw']['fmt ']['nAvgBytesPerSec']) && $ThisFileInfo['RIFF']['raw']['fmt ']['nAvgBytesPerSec']) {
$ThisFileInfo['audio']['bitrate'] = CastAsInt($ThisFileInfo['RIFF']['raw']['fmt ']['nAvgBytesPerSec'] * 8);
}
}
if (isset($ThisFileInfo['RIFF']['WAVE']['bext'][0]['data'])) {
$ThisFileInfo['RIFF']['WAVE']['bext'][0]['title'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['data'], 0, 256));
$ThisFileInfo['RIFF']['WAVE']['bext'][0]['author'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['data'], 256, 32));
$ThisFileInfo['RIFF']['WAVE']['bext'][0]['reference'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['data'], 288, 32));
$ThisFileInfo['RIFF']['WAVE']['bext'][0]['origin_date'] = substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['data'], 320, 10);
$ThisFileInfo['RIFF']['WAVE']['bext'][0]['origin_time'] = substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['data'], 330, 8);
$ThisFileInfo['RIFF']['WAVE']['bext'][0]['time_reference'] = LittleEndian2Int(substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['data'], 338, 8));
$ThisFileInfo['RIFF']['WAVE']['bext'][0]['bwf_version'] = LittleEndian2Int(substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['data'], 346, 1));
$ThisFileInfo['RIFF']['WAVE']['bext'][0]['reserved'] = LittleEndian2Int(substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['data'], 347, 254));
$ThisFileInfo['RIFF']['WAVE']['bext'][0]['coding_history'] = explode("\r\n", trim(substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['data'], 601)));
$ThisFileInfo['RIFF']['WAVE']['bext'][0]['origin_date_unix'] = mktime(substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['origin_time'], 0, 2), substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['origin_time'], 3, 2), substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['origin_time'], 6, 2), substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['origin_date'], 5, 2), substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['origin_date'], 8, 2), substr($ThisFileInfo['RIFF']['WAVE']['bext'][0]['origin_date'], 0, 4));
$ThisFileInfo['RIFF']['comments']['author'][] = $ThisFileInfo['RIFF']['WAVE']['bext'][0]['author'];
$ThisFileInfo['RIFF']['comments']['title'][] = $ThisFileInfo['RIFF']['WAVE']['bext'][0]['title'];
}
if (isset($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['data'])) {
$ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['raw']['sound_information'] = LittleEndian2Int(substr($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['data'], 0, 2));
$ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['flags']['homogenous'] = (bool) ($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['raw']['sound_information'] & 0x1);
if ($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['flags']['homogenous']) {
$ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['flags']['padding'] = InverseBoolean($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['raw']['sound_information'] & 0x2);
$ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['flags']['22_or_44'] = (bool) ($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['raw']['sound_information'] & 0x4);
$ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['flags']['free_format'] = (bool) ($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['raw']['sound_information'] & 0x8);
$ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['nominal_frame_size'] = LittleEndian2Int(substr($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['data'], 2, 2));
}
$ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['anciliary_data_length'] = LittleEndian2Int(substr($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['data'], 6, 2));
$ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['raw']['anciliary_data_def'] = LittleEndian2Int(substr($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['data'], 8, 2));
$ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['flags']['anciliary_data_left'] = (bool) ($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['raw']['anciliary_data_def'] & 0x1);
$ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['flags']['anciliary_data_free'] = (bool) ($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['raw']['anciliary_data_def'] & 0x2);
$ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['flags']['anciliary_data_right'] = (bool) ($ThisFileInfo['RIFF']['WAVE']['MEXT'][0]['raw']['anciliary_data_def'] & 0x4);
}
if (isset($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'])) {
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['version'] = substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 0, 4);
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['title'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 4, 64));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['artist'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 68, 64));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['cut_id'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 132, 64));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['client_id'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 196, 64));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['category'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 260, 64));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['classification'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 324, 64));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['out_cue'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 388, 64));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['start_date'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 452, 10));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['start_time'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 462, 8));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['end_date'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 470, 10));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['end_time'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 480, 8));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['producer_app_id'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 488, 64));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['producer_app_version'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 552, 64));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['user_defined_text'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 616, 64));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['zero_db_reference'] = LittleEndian2Int(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 680, 4), true);
for ($i = 0; $i < 8; $i++) {
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['post_time'][$i]['usage_fourcc'] = substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 684 + $i * 8, 4);
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['post_time'][$i]['timer_value'] = LittleEndian2Int(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 684 + $i * 8 + 4, 4));
}
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['url'] = trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 748, 1024));
$ThisFileInfo['RIFF']['WAVE']['cart'][0]['tag_text'] = explode("\r\n", trim(substr($ThisFileInfo['RIFF']['WAVE']['cart'][0]['data'], 1772)));
$ThisFileInfo['RIFF']['comments']['artist'][] = $ThisFileInfo['RIFF']['WAVE']['cart'][0]['artist'];
$ThisFileInfo['RIFF']['comments']['title'][] = $ThisFileInfo['RIFF']['WAVE']['cart'][0]['title'];
}
if (!isset($ThisFileInfo['audio']['bitrate']) && isset($ThisFileInfo['RIFF']['audio'][$streamindex]['bitrate'])) {
$ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['RIFF']['audio'][$streamindex]['bitrate'];
$ThisFileInfo['playtime_seconds'] = (double) (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) * 8 / $ThisFileInfo['audio']['bitrate']);
}
if (!empty($ThisFileInfo['wavpack'])) {
$ThisFileInfo['audio']['dataformat'] = 'wavpack';
$ThisFileInfo['audio']['bitrate_mode'] = 'vbr';
$ThisFileInfo['audio']['encoder'] = 'WavPack v' . $ThisFileInfo['wavpack']['version'];
// Reset to the way it was - RIFF parsing will have messed this up
$ThisFileInfo['avdataend'] = $Original['avdataend'];
$ThisFileInfo['audio']['bitrate'] = ($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) * 8 / $ThisFileInfo['playtime_seconds'];
fseek($fd, $ThisFileInfo['avdataoffset'] - 44, SEEK_SET);
$RIFFdata = fread($fd, 44);
$OrignalRIFFheaderSize = LittleEndian2Int(substr($RIFFdata, 4, 4)) + 8;
$OrignalRIFFdataSize = LittleEndian2Int(substr($RIFFdata, 40, 4)) + 44;
if ($OrignalRIFFheaderSize > $OrignalRIFFdataSize) {
$ThisFileInfo['avdataend'] -= $OrignalRIFFheaderSize - $OrignalRIFFdataSize;
fseek($fd, $ThisFileInfo['avdataend'], SEEK_SET);
$RIFFdata .= fread($fd, $OrignalRIFFheaderSize - $OrignalRIFFdataSize);
}
// move the data chunk after all other chunks (if any)
// so that the RIFF parser doesn't see EOF when trying
// to skip over the data chunk
$RIFFdata = substr($RIFFdata, 0, 36) . substr($RIFFdata, 44) . substr($RIFFdata, 36, 8);
ParseRIFFdata($RIFFdata, $ThisFileInfo);
}
break;
case 'AVI ':
$ThisFileInfo['video']['bitrate_mode'] = 'cbr';
$ThisFileInfo['video']['dataformat'] = 'avi';
$ThisFileInfo['mime_type'] = 'video/avi';
if (isset($ThisFileInfo['RIFF'][$arraykeys[0]]['movi']['offset'])) {
$ThisFileInfo['avdataoffset'] = $ThisFileInfo['RIFF'][$arraykeys[0]]['movi']['offset'] + 8;
$ThisFileInfo['avdataend'] = $ThisFileInfo['avdataoffset'] + $ThisFileInfo['RIFF'][$arraykeys[0]]['movi']['size'];
}
if (isset($ThisFileInfo['RIFF']['AVI ']['hdrl']['avih'][$streamindex]['data'])) {
$avihData = $ThisFileInfo['RIFF']['AVI ']['hdrl']['avih'][$streamindex]['data'];
$ThisFileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 0, 4));
// frame display rate (or 0L)
if ($ThisFileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'] == 0) {
$ThisFileInfo['error'] .= 'Corrupt RIFF file: avih.dwMicroSecPerFrame == zero';
return false;
}
$ThisFileInfo['RIFF']['raw']['avih']['dwMaxBytesPerSec'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 4, 4));
// max. transfer rate
$ThisFileInfo['RIFF']['raw']['avih']['dwPaddingGranularity'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 8, 4));
// pad to multiples of this size; normally 2K.
$ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 12, 4));
// the ever-present flags
$ThisFileInfo['RIFF']['raw']['avih']['dwTotalFrames'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 16, 4));
// # frames in file
$ThisFileInfo['RIFF']['raw']['avih']['dwInitialFrames'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 20, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwStreams'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 24, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwSuggestedBufferSize'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 28, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwWidth'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 32, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwHeight'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 36, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwScale'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 40, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwRate'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 44, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwStart'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 48, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwLength'] = EitherEndian2Int($ThisFileInfo, substr($avihData, 52, 4));
$ThisFileInfo['RIFF']['raw']['avih']['flags']['hasindex'] = (bool) ($ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x10);
$ThisFileInfo['RIFF']['raw']['avih']['flags']['mustuseindex'] = (bool) ($ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x20);
$ThisFileInfo['RIFF']['raw']['avih']['flags']['interleaved'] = (bool) ($ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x100);
$ThisFileInfo['RIFF']['raw']['avih']['flags']['trustcktype'] = (bool) ($ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x800);
$ThisFileInfo['RIFF']['raw']['avih']['flags']['capturedfile'] = (bool) ($ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x10000);
$ThisFileInfo['RIFF']['raw']['avih']['flags']['copyrighted'] = (bool) ($ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x20010);
if ($ThisFileInfo['RIFF']['raw']['avih']['dwWidth'] > 0) {
$ThisFileInfo['RIFF']['video'][$streamindex]['frame_width'] = $ThisFileInfo['RIFF']['raw']['avih']['dwWidth'];
$ThisFileInfo['video']['resolution_x'] = $ThisFileInfo['RIFF']['video'][$streamindex]['frame_width'];
}
if ($ThisFileInfo['RIFF']['raw']['avih']['dwHeight'] > 0) {
$ThisFileInfo['RIFF']['video'][$streamindex]['frame_height'] = $ThisFileInfo['RIFF']['raw']['avih']['dwHeight'];
$ThisFileInfo['video']['resolution_y'] = $ThisFileInfo['RIFF']['video'][$streamindex]['frame_height'];
}
$ThisFileInfo['RIFF']['video'][$streamindex]['frame_rate'] = round(1000000 / $ThisFileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'], 3);
$ThisFileInfo['video']['frame_rate'] = $ThisFileInfo['RIFF']['video'][$streamindex]['frame_rate'];
}
if (isset($ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strh'][0]['data'])) {
if (is_array($ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strh'])) {
for ($i = 0; $i < count($ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strh']); $i++) {
if (isset($ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strh'][$i]['data'])) {
$strhData = $ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strh'][$i]['data'];
$strhfccType = substr($strhData, 0, 4);
if (isset($ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strf'][$i]['data'])) {
$strfData = $ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strf'][$i]['data'];
switch ($strhfccType) {
case 'auds':
$ThisFileInfo['audio']['bitrate_mode'] = 'cbr';
$ThisFileInfo['audio']['dataformat'] = 'wav';
if (isset($ThisFileInfo['RIFF']['audio']) && is_array($ThisFileInfo['RIFF']['audio'])) {
$streamindex = count($ThisFileInfo['RIFF']['audio']);
}
$ThisFileInfo['RIFF']['audio'][$streamindex] = RIFFparseWAVEFORMATex($strfData);
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex] = $ThisFileInfo['RIFF']['audio'][$streamindex]['raw'];
unset($ThisFileInfo['RIFF']['audio'][$streamindex]['raw']);
$ThisFileInfo['audio'] = array_merge_noclobber($ThisFileInfo['audio'], $ThisFileInfo['RIFF']['audio'][$streamindex]);
$ThisFileInfo['audio']['lossless'] = false;
switch ($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['wFormatTag']) {
case 1:
// PCM
$ThisFileInfo['audio']['lossless'] = true;
break;
case 85:
// MPEG Layer 3
$ThisFileInfo['audio']['dataformat'] = 'mp3';
break;
case 8192:
// AC-3
$ThisFileInfo['audio']['dataformat'] = 'ac3';
break;
default:
$ThisFileInfo['audio']['dataformat'] = 'wav';
break;
}
break;
case 'iavs':
case 'vids':
$ThisFileInfo['RIFF']['raw']['strh'][$i]['fccType'] = substr($strhData, 0, 4);
// same as $strhfccType;
$ThisFileInfo['RIFF']['raw']['strh'][$i]['fccHandler'] = substr($strhData, 4, 4);
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwFlags'] = EitherEndian2Int($ThisFileInfo, substr($strhData, 8, 4));
// Contains AVITF_* flags
$ThisFileInfo['RIFF']['raw']['strh'][$i]['wPriority'] = EitherEndian2Int($ThisFileInfo, substr($strhData, 12, 2));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['wLanguage'] = EitherEndian2Int($ThisFileInfo, substr($strhData, 14, 2));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwInitialFrames'] = EitherEndian2Int($ThisFileInfo, substr($strhData, 16, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwScale'] = EitherEndian2Int($ThisFileInfo, substr($strhData, 20, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwRate'] = EitherEndian2Int($ThisFileInfo, substr($strhData, 24, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwStart'] = EitherEndian2Int($ThisFileInfo, substr($strhData, 28, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwLength'] = EitherEndian2Int($ThisFileInfo, substr($strhData, 32, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwSuggestedBufferSize'] = EitherEndian2Int($ThisFileInfo, substr($strhData, 36, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwQuality'] = EitherEndian2Int($ThisFileInfo, substr($strhData, 40, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwSampleSize'] = EitherEndian2Int($ThisFileInfo, substr($strhData, 44, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['rcFrame'] = EitherEndian2Int($ThisFileInfo, substr($strhData, 48, 4));
$ThisFileInfo['RIFF']['video'][$streamindex]['codec'] = RIFFfourccLookup($ThisFileInfo['RIFF']['raw']['strh'][$i]['fccHandler']);
if (!$ThisFileInfo['RIFF']['video'][$streamindex]['codec'] && isset($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc']) && RIFFfourccLookup($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc'])) {
$ThisFileInfo['RIFF']['video'][$streamindex]['codec'] = RIFFfourccLookup($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc']);
}
$ThisFileInfo['video']['codec'] = $ThisFileInfo['RIFF']['video'][$streamindex]['codec'];
switch ($ThisFileInfo['RIFF']['raw']['strh'][$i]['fccHandler']) {
case 'HFYU':
// Huffman Lossless Codec
// Huffman Lossless Codec
case 'IRAW':
// Intel YUV Uncompressed
// Intel YUV Uncompressed
case 'YUY2':
// Uncompressed YUV 4:2:2
$ThisFileInfo['video']['lossless'] = true;
break;
default:
$ThisFileInfo['video']['lossless'] = false;
break;
}
switch ($strhfccType) {
case 'vids':
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biSize'] = EitherEndian2Int($ThisFileInfo, substr($strfData, 0, 4));
// number of bytes required by the BITMAPINFOHEADER structure
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biWidth'] = EitherEndian2Int($ThisFileInfo, substr($strfData, 4, 4));
// width of the bitmap in pixels
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biHeight'] = EitherEndian2Int($ThisFileInfo, substr($strfData, 8, 4));
// height of the bitmap in pixels. If biHeight is positive, the bitmap is a 'bottom-up' DIB and its origin is the lower left corner. If biHeight is negative, the bitmap is a 'top-down' DIB and its origin is the upper left corner
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biPlanes'] = EitherEndian2Int($ThisFileInfo, substr($strfData, 12, 2));
// number of color planes on the target device. In most cases this value must be set to 1
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biBitCount'] = EitherEndian2Int($ThisFileInfo, substr($strfData, 14, 2));
// Specifies the number of bits per pixels
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc'] = substr($strfData, 16, 4);
//
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biSizeImage'] = EitherEndian2Int($ThisFileInfo, substr($strfData, 20, 4));
// size of the bitmap data section of the image (the actual pixel data, excluding BITMAPINFOHEADER and RGBQUAD structures)
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biXPelsPerMeter'] = EitherEndian2Int($ThisFileInfo, substr($strfData, 24, 4));
// horizontal resolution, in pixels per metre, of the target device
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biYPelsPerMeter'] = EitherEndian2Int($ThisFileInfo, substr($strfData, 28, 4));
// vertical resolution, in pixels per metre, of the target device
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biClrUsed'] = EitherEndian2Int($ThisFileInfo, substr($strfData, 32, 4));
// actual number of color indices in the color table used by the bitmap. If this value is zero, the bitmap uses the maximum number of colors corresponding to the value of the biBitCount member for the compression mode specified by biCompression
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biClrImportant'] = EitherEndian2Int($ThisFileInfo, substr($strfData, 36, 4));
// number of color indices that are considered important for displaying the bitmap. If this value is zero, all colors are important
$ThisFileInfo['video']['bits_per_sample'] = $ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biBitCount'];
if ($ThisFileInfo['RIFF']['video'][$streamindex]['codec'] == 'DV') {
$ThisFileInfo['RIFF']['video'][$streamindex]['dv_type'] = 2;
}
break;
case 'iavs':
$ThisFileInfo['RIFF']['video'][$streamindex]['dv_type'] = 1;
break;
}
break;
default:
$ThisFileInfo['warning'] .= "\n" . 'Unhandled fccType for stream (' . $i . '): "' . $strhfccType . '"';
break;
}
}
}
if (isset($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc']) && RIFFfourccLookup($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc'])) {
$ThisFileInfo['RIFF']['video'][$streamindex]['codec'] = RIFFfourccLookup($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc']);
$ThisFileInfo['video']['codec'] = $ThisFileInfo['RIFF']['video'][$streamindex]['codec'];
switch ($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc']) {
case 'HFYU':
// Huffman Lossless Codec
// Huffman Lossless Codec
case 'IRAW':
// Intel YUV Uncompressed
// Intel YUV Uncompressed
case 'YUY2':
// Uncompressed YUV 4:2:2
$ThisFileInfo['video']['lossless'] = true;
$ThisFileInfo['video']['bits_per_sample'] = 24;
break;
default:
$ThisFileInfo['video']['lossless'] = false;
$ThisFileInfo['video']['bits_per_sample'] = 24;
break;
}
}
}
}
}
break;
case 'CDDA':
$ThisFileInfo['audio']['bitrate_mode'] = 'cbr';
$ThisFileInfo['audio']['dataformat'] = 'cda';
$ThisFileInfo['audio']['lossless'] = true;
unset($ThisFileInfo['mime_type']);
$ThisFileInfo['avdataoffset'] = 44;
if (isset($ThisFileInfo['RIFF']['CDDA']['fmt '][0]['data'])) {
$fmtData = $ThisFileInfo['RIFF']['CDDA']['fmt '][0]['data'];
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['unknown1'] = EitherEndian2Int($ThisFileInfo, substr($fmtData, 0, 2));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['track_num'] = EitherEndian2Int($ThisFileInfo, substr($fmtData, 2, 2));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['disc_id'] = EitherEndian2Int($ThisFileInfo, substr($fmtData, 4, 4));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['start_offset_frame'] = EitherEndian2Int($ThisFileInfo, substr($fmtData, 8, 4));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['playtime_frames'] = EitherEndian2Int($ThisFileInfo, substr($fmtData, 12, 4));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['unknown6'] = EitherEndian2Int($ThisFileInfo, substr($fmtData, 16, 4));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['unknown7'] = EitherEndian2Int($ThisFileInfo, substr($fmtData, 20, 4));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['start_offset_seconds'] = (double) $ThisFileInfo['RIFF']['CDDA']['fmt '][0]['start_offset_frame'] / 75;
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['playtime_seconds'] = (double) $ThisFileInfo['RIFF']['CDDA']['fmt '][0]['playtime_frames'] / 75;
$ThisFileInfo['comments']['track'] = $ThisFileInfo['RIFF']['CDDA']['fmt '][0]['track_num'];
$ThisFileInfo['playtime_seconds'] = $ThisFileInfo['RIFF']['CDDA']['fmt '][0]['playtime_seconds'];
// hardcoded data for CD-audio
$ThisFileInfo['audio']['sample_rate'] = 44100;
$ThisFileInfo['audio']['channels'] = 2;
$ThisFileInfo['audio']['bits_per_sample'] = 16;
$ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['audio']['sample_rate'] * $ThisFileInfo['audio']['channels'] * $ThisFileInfo['audio']['bits_per_sample'];
$ThisFileInfo['audio']['bitrate_mode'] = 'cbr';
}
break;
case 'AIFF':
case 'AIFC':
$ThisFileInfo['audio']['bitrate_mode'] = 'cbr';
$ThisFileInfo['audio']['dataformat'] = 'aiff';
$ThisFileInfo['audio']['lossless'] = true;
$ThisFileInfo['mime_type'] = 'audio/x-aiff';
if (isset($ThisFileInfo['RIFF'][$arraykeys[0]]['SSND'][0]['offset'])) {
$ThisFileInfo['avdataoffset'] = $ThisFileInfo['RIFF'][$arraykeys[0]]['SSND'][0]['offset'] + 8;
$ThisFileInfo['avdataend'] = $ThisFileInfo['avdataoffset'] + $ThisFileInfo['RIFF'][$arraykeys[0]]['SSND'][0]['size'];
if ($ThisFileInfo['avdataend'] > $ThisFileInfo['filesize']) {
if ($ThisFileInfo['avdataend'] == $ThisFileInfo['filesize'] + 1 && $ThisFileInfo['filesize'] % 2 == 1) {
// structures rounded to 2-byte boundary, but dumb encoders
// forget to pad end of file to make this actually work
} else {
$ThisFileInfo['warning'] .= "\n" . 'Probable truncated AIFF file: expecting ' . $ThisFileInfo['RIFF'][$arraykeys[0]]['SSND'][0]['size'] . ' bytes of audio data, only ' . ($ThisFileInfo['filesize'] - $ThisFileInfo['avdataoffset']) . ' bytes found';
}
$ThisFileInfo['avdataend'] = $ThisFileInfo['filesize'];
}
}
if (isset($ThisFileInfo['RIFF'][$arraykeys[0]]['COMM'][0]['data'])) {
$ThisFileInfo['RIFF']['audio']['channels'] = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['COMM'][0]['data'], 0, 2), true);
$ThisFileInfo['RIFF']['audio']['total_samples'] = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['COMM'][0]['data'], 2, 4), false);
$ThisFileInfo['RIFF']['audio']['bits_per_sample'] = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['COMM'][0]['data'], 6, 2), true);
$ThisFileInfo['RIFF']['audio']['sample_rate'] = (int) BigEndian2Float(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['COMM'][0]['data'], 8, 10));
if ($ThisFileInfo['RIFF'][$arraykeys[0]]['COMM'][0]['size'] > 18) {
$ThisFileInfo['RIFF']['audio']['codec_fourcc'] = substr($ThisFileInfo['RIFF'][$arraykeys[0]]['COMM'][0]['data'], 18, 4);
$CodecNameSize = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['COMM'][0]['data'], 22, 1), false);
$ThisFileInfo['RIFF']['audio']['codec_name'] = substr($ThisFileInfo['RIFF'][$arraykeys[0]]['COMM'][0]['data'], 23, $CodecNameSize);
if ($ThisFileInfo['RIFF']['audio']['codec_name'] == 'NONE') {
$ThisFileInfo['audio']['codec'] = 'Pulse Code Modulation (PCM)';
$ThisFileInfo['audio']['lossless'] = true;
} else {
$ThisFileInfo['audio']['codec'] = $ThisFileInfo['RIFF']['audio']['codec_name'];
$ThisFileInfo['audio']['lossless'] = false;
}
}
$ThisFileInfo['audio']['channels'] = $ThisFileInfo['RIFF']['audio']['channels'];
if ($ThisFileInfo['RIFF']['audio']['bits_per_sample'] > 0) {
$ThisFileInfo['audio']['bits_per_sample'] = $ThisFileInfo['RIFF']['audio']['bits_per_sample'];
}
$ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['RIFF']['audio']['sample_rate'];
if ($ThisFileInfo['audio']['sample_rate'] == 0) {
$ThisFileInfo['error'] .= "\n" . 'Corrupted AIFF file: sample_rate == zero';
return false;
}
$ThisFileInfo['playtime_seconds'] = $ThisFileInfo['RIFF']['audio']['total_samples'] / $ThisFileInfo['audio']['sample_rate'];
}
if (isset($ThisFileInfo['RIFF'][$arraykeys[0]]['COMT'])) {
$offset = 0;
$CommentCount = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['COMT'][0]['data'], $offset, 2), false);
$offset += 2;
for ($i = 0; $i < $CommentCount; $i++) {
$ThisFileInfo['comments_raw'][$i]['timestamp'] = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['COMT'][0]['data'], $offset, 4), false);
$offset += 4;
$ThisFileInfo['comments_raw'][$i]['marker_id'] = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['COMT'][0]['data'], $offset, 2), true);
$offset += 2;
$CommentLength = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['COMT'][0]['data'], $offset, 2), false);
$offset += 2;
$ThisFileInfo['comments_raw'][$i]['comment'] = substr($ThisFileInfo['RIFF'][$arraykeys[0]]['COMT'][0]['data'], $offset, $CommentLength);
$offset += $CommentLength;
$ThisFileInfo['comments_raw'][$i]['timestamp_unix'] = DateMac2Unix($ThisFileInfo['comments_raw'][$i]['timestamp']);
$ThisFileInfo['RIFF']['comments']['comment'][] = $ThisFileInfo['comments_raw'][$i]['comment'];
}
}
$CommentsChunkNames = array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment');
foreach ($CommentsChunkNames as $key => $value) {
if (isset($ThisFileInfo['RIFF'][$arraykeys[0]][$key][0]['data'])) {
$ThisFileInfo['RIFF']['comments'][$value][] = $ThisFileInfo['RIFF'][$arraykeys[0]][$key][0]['data'];
}
}
if (isset($ThisFileInfo['RIFF']['comments'])) {
CopyFormatCommentsToRootComments($ThisFileInfo['RIFF']['comments'], $ThisFileInfo, true, true, true);
}
break;
case '8SVX':
$ThisFileInfo['audio']['bitrate_mode'] = 'cbr';
$ThisFileInfo['audio']['dataformat'] = '8svx';
$ThisFileInfo['audio']['bits_per_sample'] = 8;
$ThisFileInfo['audio']['channels'] = 1;
// overridden below, if need be
$ThisFileInfo['mime_type'] = 'audio/x-aiff';
if (isset($ThisFileInfo['RIFF'][$arraykeys[0]]['BODY'][0]['offset'])) {
$ThisFileInfo['avdataoffset'] = $ThisFileInfo['RIFF'][$arraykeys[0]]['BODY'][0]['offset'] + 8;
$ThisFileInfo['avdataend'] = $ThisFileInfo['avdataoffset'] + $ThisFileInfo['RIFF'][$arraykeys[0]]['BODY'][0]['size'];
if ($ThisFileInfo['avdataend'] > $ThisFileInfo['filesize']) {
$ThisFileInfo['warning'] .= "\n" . 'Probable truncated AIFF file: expecting ' . $ThisFileInfo['RIFF'][$arraykeys[0]]['BODY'][0]['size'] . ' bytes of audio data, only ' . ($ThisFileInfo['filesize'] - $ThisFileInfo['avdataoffset']) . ' bytes found';
}
}
if (isset($ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['offset'])) {
$ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['oneShotHiSamples'] = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['data'], 0, 4));
$ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['repeatHiSamples'] = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['data'], 4, 4));
$ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['samplesPerHiCycle'] = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['data'], 8, 4));
$ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['samplesPerSec'] = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['data'], 12, 2));
$ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['ctOctave'] = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['data'], 14, 1));
$ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['sCompression'] = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['data'], 15, 1));
$ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['Volume'] = FixedPoint16_16(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['data'], 16, 4));
$ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['samplesPerSec'];
switch ($ThisFileInfo['RIFF'][$arraykeys[0]]['VHDR'][0]['sCompression']) {
case 0:
$ThisFileInfo['audio']['codec'] = 'Pulse Code Modulation (PCM)';
$ThisFileInfo['audio']['lossless'] = true;
$ActualBitsPerSample = 8;
break;
case 1:
$ThisFileInfo['audio']['codec'] = 'Fibonacci-delta encoding';
$ThisFileInfo['audio']['lossless'] = false;
$ActualBitsPerSample = 4;
break;
default:
$ThisFileInfo['warning'] .= "\n" . 'Unexpected sCompression value in 8SVX.VHDR chunk - expecting 0 or 1, found "' . sCompression . '"';
break;
}
}
if (isset($ThisFileInfo['RIFF'][$arraykeys[0]]['CHAN'][0]['data'])) {
$ChannelsIndex = BigEndian2Int(substr($ThisFileInfo['RIFF'][$arraykeys[0]]['CHAN'][0]['data'], 0, 4));
switch ($ChannelsIndex) {
case 6:
// Stereo
$ThisFileInfo['audio']['channels'] = 2;
break;
case 2:
// Left channel only
// Left channel only
case 4:
// Right channel only
$ThisFileInfo['audio']['channels'] = 1;
break;
default:
$ThisFileInfo['warning'] .= "\n" . 'Unexpected value in 8SVX.CHAN chunk - expecting 2 or 4 or 6, found "' . $ChannelsIndex . '"';
break;
}
}
$CommentsChunkNames = array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment');
foreach ($CommentsChunkNames as $key => $value) {
if (isset($ThisFileInfo['RIFF'][$arraykeys[0]][$key][0]['data'])) {
$ThisFileInfo['RIFF']['comments'][$value][] = $ThisFileInfo['RIFF'][$arraykeys[0]][$key][0]['data'];
}
}
if (isset($ThisFileInfo['RIFF']['comments'])) {
CopyFormatCommentsToRootComments($ThisFileInfo['RIFF']['comments'], $ThisFileInfo, true, true, true);
}
$ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['audio']['sample_rate'] * $ActualBitsPerSample * $ThisFileInfo['audio']['channels'];
if (!empty($ThisFileInfo['audio']['bitrate'])) {
$ThisFileInfo['playtime_seconds'] = ($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) / ($ThisFileInfo['audio']['bitrate'] / 8);
}
break;
default:
$ThisFileInfo['error'] .= "\n" . 'Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|), found "' . $arraykeys[0] . '" instead';
unset($ThisFileInfo['fileformat']);
break;
}
if (isset($ThisFileInfo['RIFF']['WAVE']['DISP']) && is_array($ThisFileInfo['RIFF']['WAVE']['DISP'])) {
$ThisFileInfo['tags'][] = 'riff';
$ThisFileInfo['RIFF']['comments']['title'][] = trim(substr($ThisFileInfo['RIFF']['WAVE']['DISP'][count($ThisFileInfo['RIFF']['WAVE']['DISP']) - 1]['data'], 4));
}
if (isset($ThisFileInfo['RIFF']['WAVE']['INFO']) && is_array($ThisFileInfo['RIFF']['WAVE']['INFO'])) {
$ThisFileInfo['tags'][] = 'riff';
$RIFFinfoKeyLookup = array('IART' => 'artist', 'IGNR' => 'genre', 'ICMT' => 'comment', 'ICOP' => 'copyright', 'IENG' => 'engineers', 'IKEY' => 'keywords', 'IMED' => 'orignalmedium', 'INAM' => 'name', 'ISRC' => 'sourcesupplier', 'ITCH' => 'digitizer', 'ISBJ' => 'subject', 'ISRF' => 'digitizationsource', 'ISFT' => 'encoded_by');
foreach ($RIFFinfoKeyLookup as $key => $value) {
if (isset($ThisFileInfo['RIFF']['WAVE']['INFO']["{$key}"])) {
foreach ($ThisFileInfo['RIFF']['WAVE']['INFO']["{$key}"] as $commentid => $commentdata) {
if (trim($commentdata['data']) != '') {
$ThisFileInfo['RIFF']['comments']["{$value}"][] = trim($commentdata['data']);
}
}
}
}
}
if (!empty($ThisFileInfo['RIFF']['comments'])) {
CopyFormatCommentsToRootComments($ThisFileInfo['RIFF']['comments'], $ThisFileInfo, true, false, true);
}
if (empty($ThisFileInfo['audio']['encoder']) && !empty($ThisFileInfo['mpeg']['audio']['LAME']['short_version'])) {
$ThisFileInfo['audio']['encoder'] = $ThisFileInfo['mpeg']['audio']['LAME']['short_version'];
}
if (!isset($ThisFileInfo['playtime_seconds'])) {
$ThisFileInfo['playtime_seconds'] = 0;
}
if (isset($ThisFileInfo['RIFF']['raw']['avih']['dwTotalFrames']) && isset($ThisFileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'])) {
$ThisFileInfo['playtime_seconds'] = $ThisFileInfo['RIFF']['raw']['avih']['dwTotalFrames'] * ($ThisFileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'] / 1000000);
}
if ($ThisFileInfo['playtime_seconds'] > 0) {
if (isset($ThisFileInfo['RIFF']['audio']) && isset($ThisFileInfo['RIFF']['video'])) {
if (!isset($ThisFileInfo['bitrate'])) {
$ThisFileInfo['bitrate'] = ($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) / $ThisFileInfo['playtime_seconds'] * 8;
}
} elseif (isset($ThisFileInfo['RIFF']['audio']) && !isset($ThisFileInfo['RIFF']['video'])) {
if (!isset($ThisFileInfo['audio']['bitrate'])) {
$ThisFileInfo['audio']['bitrate'] = ($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) / $ThisFileInfo['playtime_seconds'] * 8;
}
} elseif (!isset($ThisFileInfo['RIFF']['audio']) && isset($ThisFileInfo['RIFF']['video'])) {
if (!isset($ThisFileInfo['video']['bitrate'])) {
$ThisFileInfo['video']['bitrate'] = ($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) / $ThisFileInfo['playtime_seconds'] * 8;
}
}
}
if (isset($ThisFileInfo['RIFF']['video']) && isset($ThisFileInfo['audio']['bitrate']) && $ThisFileInfo['audio']['bitrate'] > 0 && $ThisFileInfo['playtime_seconds'] > 0) {
$ThisFileInfo['audio']['bitrate'] = 0;
$ThisFileInfo['video']['bitrate'] = ($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) / $ThisFileInfo['playtime_seconds'] * 8;
foreach ($ThisFileInfo['RIFF']['audio'] as $channelnumber => $audioinfoarray) {
$ThisFileInfo['video']['bitrate'] -= $audioinfoarray['bitrate'];
$ThisFileInfo['audio']['bitrate'] += $audioinfoarray['bitrate'];
}
if ($ThisFileInfo['video']['bitrate'] <= 0) {
unset($ThisFileInfo['video']['bitrate']);
}
if ($ThisFileInfo['audio']['bitrate'] <= 0) {
unset($ThisFileInfo['audio']['bitrate']);
}
}
if (!empty($ThisFileInfo['RIFF']['raw']['fmt ']['nBitsPerSample']) && $ThisFileInfo['RIFF']['raw']['fmt ']['nBitsPerSample'] > 0) {
$ThisFileInfo['audio']['bits_per_sample'] = $ThisFileInfo['RIFF']['raw']['fmt ']['nBitsPerSample'];
}
return true;
}
function getRIFFHeaderFilepointer(&$fd, &$MP3fileInfo)
{
$offset = 0;
rewind($fd);
$MP3fileInfo['RIFF'] = ParseRIFF($fd, $offset, $MP3fileInfo['filesize']);
$streamindex = 0;
if (!is_array($MP3fileInfo['RIFF'])) {
$MP3fileInfo['error'] .= "\n" . 'Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?)';
unset($MP3fileInfo['RIFF']);
unset($MP3fileInfo['fileformat']);
return FALSE;
}
$arraykeys = array_keys($MP3fileInfo['RIFF']);
switch ($arraykeys[0]) {
case 'WAVE':
$MP3fileInfo['fileformat'] = 'wav';
if (isset($MP3fileInfo['RIFF']['WAVE']['fmt '][0]['data'])) {
$fmtData = $MP3fileInfo['RIFF']['WAVE']['fmt '][0]['data'];
$MP3fileInfo['RIFF']['raw']['fmt ']['wFormatTag'] = LittleEndian2Int(substr($fmtData, 0, 2));
$MP3fileInfo['RIFF']['raw']['fmt ']['nChannels'] = LittleEndian2Int(substr($fmtData, 2, 2));
$MP3fileInfo['RIFF']['raw']['fmt ']['nSamplesPerSec'] = LittleEndian2Int(substr($fmtData, 4, 4));
$MP3fileInfo['RIFF']['raw']['fmt ']['nAvgBytesPerSec'] = LittleEndian2Int(substr($fmtData, 8, 4));
$MP3fileInfo['RIFF']['raw']['fmt ']['nBlockAlign'] = LittleEndian2Int(substr($fmtData, 12, 2));
$MP3fileInfo['RIFF']['raw']['fmt ']['nBitsPerSample'] = LittleEndian2Int(substr($fmtData, 14, 2));
$MP3fileInfo['RIFF']['audio']["{$streamindex}"]['format'] = RIFFwFormatTagLookup($MP3fileInfo['RIFF']['raw']['fmt ']['wFormatTag']);
$MP3fileInfo['RIFF']['audio']["{$streamindex}"]['channels'] = $MP3fileInfo['RIFF']['raw']['fmt ']['nChannels'];
$MP3fileInfo['RIFF']['audio']["{$streamindex}"]['channelmode'] = $MP3fileInfo['RIFF']['audio']["{$streamindex}"]['channels'] == 1 ? 'mono' : 'stereo';
$MP3fileInfo['RIFF']['audio']["{$streamindex}"]['frequency'] = $MP3fileInfo['RIFF']['raw']['fmt ']['nSamplesPerSec'];
$MP3fileInfo['RIFF']['audio']["{$streamindex}"]['bitrate'] = $MP3fileInfo['RIFF']['raw']['fmt ']['nAvgBytesPerSec'] * 8;
$MP3fileInfo['RIFF']['audio']["{$streamindex}"]['bitspersample'] = $MP3fileInfo['RIFF']['raw']['fmt ']['nBitsPerSample'];
}
if (isset($MP3fileInfo['RIFF']['WAVE']['rgad'][0]['data'])) {
$rgadData = $MP3fileInfo['RIFF']['WAVE']['rgad'][0]['data'];
$MP3fileInfo['RIFF']['raw']['rgad']['fPeakAmplitude'] = LittleEndian2Float(substr($rgadData, 0, 4));
$MP3fileInfo['RIFF']['raw']['rgad']['nRadioRgAdjust'] = LittleEndian2Int(substr($rgadData, 4, 2));
$MP3fileInfo['RIFF']['raw']['rgad']['nAudiophileRgAdjust'] = LittleEndian2Int(substr($rgadData, 6, 2));
$nRadioRgAdjustBitstring = str_pad(Dec2Bin($MP3fileInfo['RIFF']['raw']['rgad']['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT);
$nAudiophileRgAdjustBitstring = str_pad(Dec2Bin($MP3fileInfo['RIFF']['raw']['rgad']['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT);
$MP3fileInfo['RIFF']['raw']['rgad']['radio']['name'] = Bin2Dec(substr($nRadioRgAdjustBitstring, 0, 3));
$MP3fileInfo['RIFF']['raw']['rgad']['radio']['originator'] = Bin2Dec(substr($nRadioRgAdjustBitstring, 3, 3));
$MP3fileInfo['RIFF']['raw']['rgad']['radio']['signbit'] = Bin2Dec(substr($nRadioRgAdjustBitstring, 6, 1));
$MP3fileInfo['RIFF']['raw']['rgad']['radio']['adjustment'] = Bin2Dec(substr($nRadioRgAdjustBitstring, 7, 9));
$MP3fileInfo['RIFF']['raw']['rgad']['audiophile']['name'] = Bin2Dec(substr($nAudiophileRgAdjustBitstring, 0, 3));
$MP3fileInfo['RIFF']['raw']['rgad']['audiophile']['originator'] = Bin2Dec(substr($nAudiophileRgAdjustBitstring, 3, 3));
$MP3fileInfo['RIFF']['raw']['rgad']['audiophile']['signbit'] = Bin2Dec(substr($nAudiophileRgAdjustBitstring, 6, 1));
$MP3fileInfo['RIFF']['raw']['rgad']['audiophile']['adjustment'] = Bin2Dec(substr($nAudiophileRgAdjustBitstring, 7, 9));
$MP3fileInfo['RIFF']['rgad']['peakamplitude'] = $MP3fileInfo['RIFF']['raw']['rgad']['fPeakAmplitude'];
if ($MP3fileInfo['RIFF']['raw']['rgad']['radio']['name'] != 0 && $MP3fileInfo['RIFF']['raw']['rgad']['radio']['originator'] != 0) {
$MP3fileInfo['RIFF']['rgad']['radio']['name'] = RGADnameLookup($MP3fileInfo['RIFF']['raw']['rgad']['radio']['name']);
$MP3fileInfo['RIFF']['rgad']['radio']['originator'] = RGADoriginatorLookup($MP3fileInfo['RIFF']['raw']['rgad']['radio']['originator']);
$MP3fileInfo['RIFF']['rgad']['radio']['adjustment'] = RGADadjustmentLookup($MP3fileInfo['RIFF']['raw']['rgad']['radio']['adjustment'], $MP3fileInfo['RIFF']['raw']['rgad']['radio']['signbit']);
}
if ($MP3fileInfo['RIFF']['raw']['rgad']['audiophile']['name'] != 0 && $MP3fileInfo['RIFF']['raw']['rgad']['audiophile']['originator'] != 0) {
$MP3fileInfo['RIFF']['rgad']['audiophile']['name'] = RGADnameLookup($MP3fileInfo['RIFF']['raw']['rgad']['audiophile']['name']);
$MP3fileInfo['RIFF']['rgad']['audiophile']['originator'] = RGADoriginatorLookup($MP3fileInfo['RIFF']['raw']['rgad']['audiophile']['originator']);
$MP3fileInfo['RIFF']['rgad']['audiophile']['adjustment'] = RGADadjustmentLookup($MP3fileInfo['RIFF']['raw']['rgad']['audiophile']['adjustment'], $MP3fileInfo['RIFF']['raw']['rgad']['audiophile']['signbit']);
}
}
if (isset($MP3fileInfo['RIFF']['WAVE']['fact'][0]['data'])) {
$MP3fileInfo['RIFF']['raw']['fact']['NumberOfSamples'] = LittleEndian2Int(substr($MP3fileInfo['RIFF']['WAVE']['fact'][0]['data'], 0, 4));
if (isset($MP3fileInfo['RIFF']['raw']['fmt ']['nSamplesPerSec']) && $MP3fileInfo['RIFF']['raw']['fmt ']['nSamplesPerSec']) {
$MP3fileInfo['playtime_seconds'] = (double) $MP3fileInfo['RIFF']['raw']['fact']['NumberOfSamples'] / $MP3fileInfo['RIFF']['raw']['fmt ']['nSamplesPerSec'];
}
if (isset($MP3fileInfo['RIFF']['raw']['fmt ']['nAvgBytesPerSec']) && $MP3fileInfo['RIFF']['raw']['fmt ']['nAvgBytesPerSec']) {
$MP3fileInfo['audiobytes'] = CastAsInt(round($MP3fileInfo['playtime_seconds'] * $MP3fileInfo['RIFF']['raw']['fmt ']['nAvgBytesPerSec']));
$MP3fileInfo['bitrate'] = CastAsInt($MP3fileInfo['RIFF']['raw']['fmt ']['nAvgBytesPerSec'] * 8);
}
}
if (!isset($MP3fileInfo['audiobytes']) && isset($MP3fileInfo['RIFF']['WAVE']['data'][0]['size'])) {
$MP3fileInfo['audiobytes'] = $MP3fileInfo['RIFF']['WAVE']['data'][0]['size'];
}
if (!isset($MP3fileInfo['bitrate']) && isset($MP3fileInfo['RIFF']['audio']["{$streamindex}"]['bitrate']) && isset($MP3fileInfo['audiobytes'])) {
$MP3fileInfo['bitrate'] = $MP3fileInfo['RIFF']['audio']["{$streamindex}"]['bitrate'];
$MP3fileInfo['playtime_seconds'] = (double) ($MP3fileInfo['audiobytes'] * 8 / $MP3fileInfo['bitrate']);
}
break;
case 'AVI ':
$MP3fileInfo['fileformat'] = 'avi';
if (isset($MP3fileInfo['RIFF']['AVI ']['hdrl']['avih']["{$streamindex}"]['data'])) {
$avihData = $MP3fileInfo['RIFF']['AVI ']['hdrl']['avih']["{$streamindex}"]['data'];
$MP3fileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'] = LittleEndian2Int(substr($avihData, 0, 4));
// frame display rate (or 0L)
$MP3fileInfo['RIFF']['raw']['avih']['dwMaxBytesPerSec'] = LittleEndian2Int(substr($avihData, 4, 4));
// max. transfer rate
$MP3fileInfo['RIFF']['raw']['avih']['dwPaddingGranularity'] = LittleEndian2Int(substr($avihData, 8, 4));
// pad to multiples of this size; normally 2K.
$MP3fileInfo['RIFF']['raw']['avih']['dwFlags'] = LittleEndian2Int(substr($avihData, 12, 4));
// the ever-present flags
$MP3fileInfo['RIFF']['raw']['avih']['dwTotalFrames'] = LittleEndian2Int(substr($avihData, 16, 4));
// # frames in file
$MP3fileInfo['RIFF']['raw']['avih']['dwInitialFrames'] = LittleEndian2Int(substr($avihData, 20, 4));
$MP3fileInfo['RIFF']['raw']['avih']['dwStreams'] = LittleEndian2Int(substr($avihData, 24, 4));
$MP3fileInfo['RIFF']['raw']['avih']['dwSuggestedBufferSize'] = LittleEndian2Int(substr($avihData, 28, 4));
$MP3fileInfo['RIFF']['raw']['avih']['dwWidth'] = LittleEndian2Int(substr($avihData, 32, 4));
$MP3fileInfo['RIFF']['raw']['avih']['dwHeight'] = LittleEndian2Int(substr($avihData, 36, 4));
$MP3fileInfo['RIFF']['raw']['avih']['dwScale'] = LittleEndian2Int(substr($avihData, 40, 4));
$MP3fileInfo['RIFF']['raw']['avih']['dwRate'] = LittleEndian2Int(substr($avihData, 44, 4));
$MP3fileInfo['RIFF']['raw']['avih']['dwStart'] = LittleEndian2Int(substr($avihData, 48, 4));
$MP3fileInfo['RIFF']['raw']['avih']['dwLength'] = LittleEndian2Int(substr($avihData, 52, 4));
$MP3fileInfo['RIFF']['raw']['avih']['flags']['hasindex'] = (bool) ($MP3fileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x10);
$MP3fileInfo['RIFF']['raw']['avih']['flags']['mustuseindex'] = (bool) ($MP3fileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x20);
$MP3fileInfo['RIFF']['raw']['avih']['flags']['interleaved'] = (bool) ($MP3fileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x100);
$MP3fileInfo['RIFF']['raw']['avih']['flags']['trustcktype'] = (bool) ($MP3fileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x800);
$MP3fileInfo['RIFF']['raw']['avih']['flags']['capturedfile'] = (bool) ($MP3fileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x10000);
$MP3fileInfo['RIFF']['raw']['avih']['flags']['copyrighted'] = (bool) ($MP3fileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x20010);
$MP3fileInfo['RIFF']['video']["{$streamindex}"]['frame_width'] = $MP3fileInfo['RIFF']['raw']['avih']['dwWidth'];
$MP3fileInfo['RIFF']['video']["{$streamindex}"]['frame_height'] = $MP3fileInfo['RIFF']['raw']['avih']['dwHeight'];
$MP3fileInfo['RIFF']['video']["{$streamindex}"]['frame_rate'] = round(1000000 / $MP3fileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'], 3);
$MP3fileInfo['playtime_seconds'] = $MP3fileInfo['RIFF']['raw']['avih']['dwTotalFrames'] * ($MP3fileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'] / 1000000);
$MP3fileInfo['bitrate'] = $MP3fileInfo['filesize'] / $MP3fileInfo['playtime_seconds'] * 8;
}
if (isset($MP3fileInfo['RIFF']['AVI ']['hdrl']['strl']['strh'][0]['data'])) {
if (is_array($MP3fileInfo['RIFF']['AVI ']['hdrl']['strl']['strh'])) {
for ($i = 0; $i < count($MP3fileInfo['RIFF']['AVI ']['hdrl']['strl']['strh']); $i++) {
if (isset($MP3fileInfo['RIFF']['AVI ']['hdrl']['strl']['strh']["{$i}"]['data'])) {
$strhData = $MP3fileInfo['RIFF']['AVI ']['hdrl']['strl']['strh']["{$i}"]['data'];
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['fccType'] = substr($strhData, 0, 4);
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['fccHandler'] = substr($strhData, 4, 4);
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['dwFlags'] = LittleEndian2Int(substr($strhData, 8, 4));
// Contains AVITF_* flags
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['wPriority'] = LittleEndian2Int(substr($strhData, 12, 2));
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['wLanguage'] = LittleEndian2Int(substr($strhData, 14, 2));
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['dwInitialFrames'] = LittleEndian2Int(substr($strhData, 16, 4));
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['dwScale'] = LittleEndian2Int(substr($strhData, 20, 4));
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['dwRate'] = LittleEndian2Int(substr($strhData, 24, 4));
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['dwStart'] = LittleEndian2Int(substr($strhData, 28, 4));
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['dwLength'] = LittleEndian2Int(substr($strhData, 32, 4));
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['dwSuggestedBufferSize'] = LittleEndian2Int(substr($strhData, 36, 4));
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['dwQuality'] = LittleEndian2Int(substr($strhData, 40, 4));
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['dwSampleSize'] = LittleEndian2Int(substr($strhData, 44, 4));
$MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['rcFrame'] = LittleEndian2Int(substr($strhData, 48, 4));
if (isset($MP3fileInfo['RIFF']['AVI ']['hdrl']['strl']['strf']["{$i}"]['data'])) {
$strfData = $MP3fileInfo['RIFF']['AVI ']['hdrl']['strl']['strf']["{$i}"]['data'];
switch ($MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['fccType']) {
case 'auds':
if (isset($MP3fileInfo['RIFF']['audio']) && is_array($MP3fileInfo['RIFF']['audio'])) {
$streamindex = count($MP3fileInfo['RIFF']['audio']);
}
$MP3fileInfo['RIFF']['raw']['strf']['auds']["{$streamindex}"]['wFormatTag'] = LittleEndian2Int(substr($strfData, 0, 2));
$MP3fileInfo['RIFF']['raw']['strf']['auds']["{$streamindex}"]['nChannels'] = LittleEndian2Int(substr($strfData, 2, 2));
$MP3fileInfo['RIFF']['raw']['strf']['auds']["{$streamindex}"]['nSamplesPerSec'] = LittleEndian2Int(substr($strfData, 4, 4));
$MP3fileInfo['RIFF']['raw']['strf']['auds']["{$streamindex}"]['nAvgBytesPerSec'] = LittleEndian2Int(substr($strfData, 8, 4));
$MP3fileInfo['RIFF']['raw']['strf']['auds']["{$streamindex}"]['nBlockAlign'] = LittleEndian2Int(substr($strfData, 12, 2));
$MP3fileInfo['RIFF']['raw']['strf']['auds']["{$streamindex}"]['nBitsPerSample'] = LittleEndian2Int(substr($strfData, 14, 2));
$MP3fileInfo['RIFF']['audio']["{$streamindex}"]['format'] = RIFFwFormatTagLookup($MP3fileInfo['RIFF']['raw']['strf']['auds']["{$streamindex}"]['wFormatTag']);
$MP3fileInfo['RIFF']['audio']["{$streamindex}"]['channels'] = $MP3fileInfo['RIFF']['raw']['strf']['auds']["{$streamindex}"]['nChannels'];
$MP3fileInfo['RIFF']['audio']["{$streamindex}"]['channelmode'] = $MP3fileInfo['RIFF']['audio']["{$streamindex}"]['channels'] == 1 ? 'mono' : 'stereo';
$MP3fileInfo['RIFF']['audio']["{$streamindex}"]['frequency'] = $MP3fileInfo['RIFF']['raw']['strf']['auds']["{$streamindex}"]['nSamplesPerSec'];
$MP3fileInfo['RIFF']['audio']["{$streamindex}"]['bitrate'] = $MP3fileInfo['RIFF']['raw']['strf']['auds']["{$streamindex}"]['nAvgBytesPerSec'] * 8;
$MP3fileInfo['RIFF']['audio']["{$streamindex}"]['bitspersample'] = $MP3fileInfo['RIFF']['raw']['strf']['auds']["{$streamindex}"]['nBitsPerSample'];
break;
case 'vids':
$MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['biSize'] = LittleEndian2Int(substr($strfData, 0, 4));
// number of bytes required by the BITMAPINFOHEADER structure
$MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['biWidth'] = LittleEndian2Int(substr($strfData, 4, 4));
// width of the bitmap in pixels
$MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['biHeight'] = LittleEndian2Int(substr($strfData, 8, 4));
// height of the bitmap in pixels. If biHeight is positive, the bitmap is a "bottom-up" DIB and its origin is the lower left corner. If biHeight is negative, the bitmap is a "top-down" DIB and its origin is the upper left corner
$MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['biPlanes'] = LittleEndian2Int(substr($strfData, 12, 2));
// number of color planes on the target device. In most cases this value must be set to 1
$MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['biBitCount'] = LittleEndian2Int(substr($strfData, 14, 2));
// Specifies the number of bits per pixels
$MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['fourcc'] = substr($strfData, 16, 4);
//
$MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['biSizeImage'] = LittleEndian2Int(substr($strfData, 20, 4));
// size of the bitmap data section of the image (the actual pixel data, excluding BITMAPINFOHEADER and RGBQUAD structures)
$MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['biXPelsPerMeter'] = LittleEndian2Int(substr($strfData, 24, 4));
// horizontal resolution, in pixels per metre, of the target device
$MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['biYPelsPerMeter'] = LittleEndian2Int(substr($strfData, 28, 4));
// vertical resolution, in pixels per metre, of the target device
$MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['biClrUsed'] = LittleEndian2Int(substr($strfData, 32, 4));
// actual number of color indices in the color table used by the bitmap. If this value is zero, the bitmap uses the maximum number of colors corresponding to the value of the biBitCount member for the compression mode specified by biCompression
$MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['biClrImportant'] = LittleEndian2Int(substr($strfData, 36, 4));
// number of color indices that are considered important for displaying the bitmap. If this value is zero, all colors are important
$MP3fileInfo['RIFF']['video']["{$streamindex}"]['codec'] = RIFFfourccLookup($MP3fileInfo['RIFF']['raw']['strh']["{$i}"]['fccHandler']);
if (!$MP3fileInfo['RIFF']['video']["{$streamindex}"]['codec'] && RIFFfourccLookup($MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['fourcc'])) {
RIFFfourccLookup($MP3fileInfo['RIFF']['raw']['strf']['vids']["{$streamindex}"]['fourcc']);
}
break;
}
}
}
}
}
}
break;
default:
unset($MP3fileInfo['fileformat']);
break;
}
if (isset($MP3fileInfo['RIFF']['WAVE']['INFO']) && is_array($MP3fileInfo['RIFF']['WAVE']['INFO'])) {
$MP3fileInfo['RIFF']['title'] = trim(substr($MP3fileInfo['RIFF']['WAVE']['INFO']['DISP'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['DISP']) - 1]['data'], 4));
$MP3fileInfo['RIFF']['artist'] = trim($MP3fileInfo['RIFF']['WAVE']['INFO']['IART'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['IART']) - 1]['data']);
$MP3fileInfo['RIFF']['genre'] = trim($MP3fileInfo['RIFF']['WAVE']['INFO']['IGNR'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['IGNR']) - 1]['data']);
$MP3fileInfo['RIFF']['comment'] = trim($MP3fileInfo['RIFF']['WAVE']['INFO']['ICMT'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['ICMT']) - 1]['data']);
$MP3fileInfo['RIFF']['copyright'] = trim($MP3fileInfo['RIFF']['WAVE']['INFO']['ICOP'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['ICOP']) - 1]['data']);
$MP3fileInfo['RIFF']['engineers'] = trim($MP3fileInfo['RIFF']['WAVE']['INFO']['IENG'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['IENG']) - 1]['data']);
$MP3fileInfo['RIFF']['keywords'] = trim($MP3fileInfo['RIFF']['WAVE']['INFO']['IKEY'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['IKEY']) - 1]['data']);
$MP3fileInfo['RIFF']['originalmedium'] = trim($MP3fileInfo['RIFF']['WAVE']['INFO']['IMED'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['IMED']) - 1]['data']);
$MP3fileInfo['RIFF']['name'] = trim($MP3fileInfo['RIFF']['WAVE']['INFO']['INAM'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['INAM']) - 1]['data']);
$MP3fileInfo['RIFF']['sourcesupplier'] = trim($MP3fileInfo['RIFF']['WAVE']['INFO']['ISRC'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['ISRC']) - 1]['data']);
$MP3fileInfo['RIFF']['digitizer'] = trim($MP3fileInfo['RIFF']['WAVE']['INFO']['ITCH'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['ITCH']) - 1]['data']);
$MP3fileInfo['RIFF']['subject'] = trim($MP3fileInfo['RIFF']['WAVE']['INFO']['ISBJ'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['ISBJ']) - 1]['data']);
$MP3fileInfo['RIFF']['digitizationsource'] = trim($MP3fileInfo['RIFF']['WAVE']['INFO']['ISRF'][count($MP3fileInfo['RIFF']['WAVE']['INFO']['ISRF']) - 1]['data']);
}
foreach ($MP3fileInfo['RIFF'] as $key => $value) {
if (!is_array($value) && !$value) {
unset($MP3fileInfo['RIFF']["{$key}"]);
}
}
return TRUE;
}
function getRIFFHeaderFilepointer(&$fd, &$ThisFileInfo)
{
fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
$RIFFheader = fread($fd, 12);
switch (substr($RIFFheader, 0, 4)) {
case 'RIFF':
case 'SDSS':
// SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com)
$ThisFileInfo['fileformat'] = 'riff';
$ThisFileInfo['RIFF'][substr($RIFFheader, 8, 4)] = ParseRIFF($fd, $ThisFileInfo['avdataoffset'] + 12, $ThisFileInfo['avdataoffset'] + LittleEndian2Int(substr($RIFFheader, 4, 4)), $ThisFileInfo);
break;
default:
$ThisFileInfo['error'] .= "\n" . 'Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?)';
unset($ThisFileInfo['fileformat']);
return false;
break;
}
$streamindex = 0;
$arraykeys = array_keys($ThisFileInfo['RIFF']);
switch ($arraykeys[0]) {
case 'WAVE':
$ThisFileInfo['audio']['bitrate_mode'] = 'cbr';
$ThisFileInfo['audio']['dataformat'] = 'wav';
if (isset($ThisFileInfo['RIFF']['WAVE']['fmt '][0]['data'])) {
$ThisFileInfo['RIFF']['audio'][$streamindex] = RIFFparseWAVEFORMATex($ThisFileInfo['RIFF']['WAVE']['fmt '][0]['data']);
if ($ThisFileInfo['RIFF']['audio'][$streamindex] == 0) {
$ThisFileInfo['error'] .= 'Corrupt RIFF file: bitrate_audio == zero';
return false;
}
$ThisFileInfo['RIFF']['raw']['fmt '] = $ThisFileInfo['RIFF']['audio'][$streamindex]['raw'];
unset($ThisFileInfo['RIFF']['audio'][$streamindex]['raw']);
$ThisFileInfo['audio'] = array_merge_noclobber($ThisFileInfo['audio'], $ThisFileInfo['RIFF']['audio'][$streamindex]);
$ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['RIFF']['audio'][$streamindex]['bitrate'];
$ThisFileInfo['playtime_seconds'] = (double) (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) * 8 / $ThisFileInfo['audio']['bitrate']);
if (isset($ThisFileInfo['RIFF']['WAVE']['data'][0]['offset']) && isset($ThisFileInfo['RIFF']['raw']['fmt ']['wFormatTag'])) {
switch ($ThisFileInfo['RIFF']['raw']['fmt ']['wFormatTag']) {
case 85:
// LAME ACM
require_once GETID3_INCLUDEPATH . 'getid3.mp3.php';
getOnlyMPEGaudioInfo($fd, $ThisFileInfo, $ThisFileInfo['RIFF']['WAVE']['data'][0]['offset'], false);
$ThisFileInfo['audio']['dataformat'] = 'mp3';
if (isset($ThisFileInfo['mpeg']['audio'])) {
$ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['mpeg']['audio']['sample_rate'];
$ThisFileInfo['audio']['channels'] = $ThisFileInfo['mpeg']['audio']['channels'];
$ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['mpeg']['audio']['bitrate'] * 1000;
$ThisFileInfo['bitrate'] = $ThisFileInfo['audio']['bitrate'];
$ThisFileInfo['audio']['bitrate_mode'] = strtolower($ThisFileInfo['mpeg']['audio']['bitratemode']);
}
break;
default:
// do nothing
break;
}
}
}
if (isset($ThisFileInfo['RIFF']['WAVE']['rgad'][0]['data'])) {
require_once GETID3_INCLUDEPATH . 'getid3.rgad.php';
$rgadData = $ThisFileInfo['RIFF']['WAVE']['rgad'][0]['data'];
$ThisFileInfo['RIFF']['raw']['rgad']['fPeakAmplitude'] = LittleEndian2Float(substr($rgadData, 0, 4));
$ThisFileInfo['RIFF']['raw']['rgad']['nRadioRgAdjust'] = LittleEndian2Int(substr($rgadData, 4, 2));
$ThisFileInfo['RIFF']['raw']['rgad']['nAudiophileRgAdjust'] = LittleEndian2Int(substr($rgadData, 6, 2));
$nRadioRgAdjustBitstring = str_pad(Dec2Bin($ThisFileInfo['RIFF']['raw']['rgad']['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT);
$nAudiophileRgAdjustBitstring = str_pad(Dec2Bin($ThisFileInfo['RIFF']['raw']['rgad']['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT);
$ThisFileInfo['RIFF']['raw']['rgad']['radio']['name'] = Bin2Dec(substr($nRadioRgAdjustBitstring, 0, 3));
$ThisFileInfo['RIFF']['raw']['rgad']['radio']['originator'] = Bin2Dec(substr($nRadioRgAdjustBitstring, 3, 3));
$ThisFileInfo['RIFF']['raw']['rgad']['radio']['signbit'] = Bin2Dec(substr($nRadioRgAdjustBitstring, 6, 1));
$ThisFileInfo['RIFF']['raw']['rgad']['radio']['adjustment'] = Bin2Dec(substr($nRadioRgAdjustBitstring, 7, 9));
$ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['name'] = Bin2Dec(substr($nAudiophileRgAdjustBitstring, 0, 3));
$ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['originator'] = Bin2Dec(substr($nAudiophileRgAdjustBitstring, 3, 3));
$ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['signbit'] = Bin2Dec(substr($nAudiophileRgAdjustBitstring, 6, 1));
$ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['adjustment'] = Bin2Dec(substr($nAudiophileRgAdjustBitstring, 7, 9));
$ThisFileInfo['RIFF']['rgad']['peakamplitude'] = $ThisFileInfo['RIFF']['raw']['rgad']['fPeakAmplitude'];
if ($ThisFileInfo['RIFF']['raw']['rgad']['radio']['name'] != 0 && $ThisFileInfo['RIFF']['raw']['rgad']['radio']['originator'] != 0) {
$ThisFileInfo['RIFF']['rgad']['radio']['name'] = RGADnameLookup($ThisFileInfo['RIFF']['raw']['rgad']['radio']['name']);
$ThisFileInfo['RIFF']['rgad']['radio']['originator'] = RGADoriginatorLookup($ThisFileInfo['RIFF']['raw']['rgad']['radio']['originator']);
$ThisFileInfo['RIFF']['rgad']['radio']['adjustment'] = RGADadjustmentLookup($ThisFileInfo['RIFF']['raw']['rgad']['radio']['adjustment'], $ThisFileInfo['RIFF']['raw']['rgad']['radio']['signbit']);
}
if ($ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['name'] != 0 && $ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['originator'] != 0) {
$ThisFileInfo['RIFF']['rgad']['audiophile']['name'] = RGADnameLookup($ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['name']);
$ThisFileInfo['RIFF']['rgad']['audiophile']['originator'] = RGADoriginatorLookup($ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['originator']);
$ThisFileInfo['RIFF']['rgad']['audiophile']['adjustment'] = RGADadjustmentLookup($ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['adjustment'], $ThisFileInfo['RIFF']['raw']['rgad']['audiophile']['signbit']);
}
}
if (isset($ThisFileInfo['RIFF']['WAVE']['fact'][0]['data'])) {
$ThisFileInfo['RIFF']['raw']['fact']['NumberOfSamples'] = LittleEndian2Int(substr($ThisFileInfo['RIFF']['WAVE']['fact'][0]['data'], 0, 4));
if (isset($ThisFileInfo['RIFF']['raw']['fmt ']['nSamplesPerSec']) && $ThisFileInfo['RIFF']['raw']['fmt ']['nSamplesPerSec'] > 0) {
$ThisFileInfo['playtime_seconds'] = (double) $ThisFileInfo['RIFF']['raw']['fact']['NumberOfSamples'] / $ThisFileInfo['RIFF']['raw']['fmt ']['nSamplesPerSec'];
}
if (isset($ThisFileInfo['RIFF']['raw']['fmt ']['nAvgBytesPerSec']) && $ThisFileInfo['RIFF']['raw']['fmt ']['nAvgBytesPerSec']) {
$ThisFileInfo['audio']['bitrate'] = CastAsInt($ThisFileInfo['RIFF']['raw']['fmt ']['nAvgBytesPerSec'] * 8);
}
}
if (!isset($ThisFileInfo['audio']['bitrate']) && isset($ThisFileInfo['RIFF']['audio'][$streamindex]['bitrate'])) {
$ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['RIFF']['audio'][$streamindex]['bitrate'];
$ThisFileInfo['playtime_seconds'] = (double) (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) * 8 / $ThisFileInfo['audio']['bitrate']);
}
break;
case 'AVI ':
$ThisFileInfo['video']['bitrate_mode'] = 'cbr';
$ThisFileInfo['video']['dataformat'] = 'avi';
$ThisFileInfo['mime_type'] = 'video/avi';
if (isset($ThisFileInfo['RIFF']['AVI ']['hdrl']['avih'][$streamindex]['data'])) {
$avihData = $ThisFileInfo['RIFF']['AVI ']['hdrl']['avih'][$streamindex]['data'];
$ThisFileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'] = LittleEndian2Int(substr($avihData, 0, 4));
// frame display rate (or 0L)
if ($ThisFileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'] == 0) {
$ThisFileInfo['error'] .= 'Corrupt RIFF file: avih.dwMicroSecPerFrame == zero';
return false;
}
$ThisFileInfo['RIFF']['raw']['avih']['dwMaxBytesPerSec'] = LittleEndian2Int(substr($avihData, 4, 4));
// max. transfer rate
$ThisFileInfo['RIFF']['raw']['avih']['dwPaddingGranularity'] = LittleEndian2Int(substr($avihData, 8, 4));
// pad to multiples of this size; normally 2K.
$ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] = LittleEndian2Int(substr($avihData, 12, 4));
// the ever-present flags
$ThisFileInfo['RIFF']['raw']['avih']['dwTotalFrames'] = LittleEndian2Int(substr($avihData, 16, 4));
// # frames in file
$ThisFileInfo['RIFF']['raw']['avih']['dwInitialFrames'] = LittleEndian2Int(substr($avihData, 20, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwStreams'] = LittleEndian2Int(substr($avihData, 24, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwSuggestedBufferSize'] = LittleEndian2Int(substr($avihData, 28, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwWidth'] = LittleEndian2Int(substr($avihData, 32, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwHeight'] = LittleEndian2Int(substr($avihData, 36, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwScale'] = LittleEndian2Int(substr($avihData, 40, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwRate'] = LittleEndian2Int(substr($avihData, 44, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwStart'] = LittleEndian2Int(substr($avihData, 48, 4));
$ThisFileInfo['RIFF']['raw']['avih']['dwLength'] = LittleEndian2Int(substr($avihData, 52, 4));
$ThisFileInfo['RIFF']['raw']['avih']['flags']['hasindex'] = (bool) ($ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x10);
$ThisFileInfo['RIFF']['raw']['avih']['flags']['mustuseindex'] = (bool) ($ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x20);
$ThisFileInfo['RIFF']['raw']['avih']['flags']['interleaved'] = (bool) ($ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x100);
$ThisFileInfo['RIFF']['raw']['avih']['flags']['trustcktype'] = (bool) ($ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x800);
$ThisFileInfo['RIFF']['raw']['avih']['flags']['capturedfile'] = (bool) ($ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x10000);
$ThisFileInfo['RIFF']['raw']['avih']['flags']['copyrighted'] = (bool) ($ThisFileInfo['RIFF']['raw']['avih']['dwFlags'] & 0x20010);
$ThisFileInfo['RIFF']['video'][$streamindex]['frame_width'] = $ThisFileInfo['RIFF']['raw']['avih']['dwWidth'];
$ThisFileInfo['RIFF']['video'][$streamindex]['frame_height'] = $ThisFileInfo['RIFF']['raw']['avih']['dwHeight'];
$ThisFileInfo['RIFF']['video'][$streamindex]['frame_rate'] = round(1000000 / $ThisFileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'], 3);
if (!isset($ThisFileInfo['video']['resolution_x'])) {
$ThisFileInfo['video']['resolution_x'] = $ThisFileInfo['RIFF']['video'][$streamindex]['frame_width'];
}
if (!isset($ThisFileInfo['video']['resolution_y'])) {
$ThisFileInfo['video']['resolution_y'] = $ThisFileInfo['RIFF']['video'][$streamindex]['frame_height'];
}
$ThisFileInfo['video']['frame_rate'] = $ThisFileInfo['RIFF']['video'][$streamindex]['frame_rate'];
}
if (isset($ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strh'][0]['data'])) {
if (is_array($ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strh'])) {
for ($i = 0; $i < count($ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strh']); $i++) {
if (isset($ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strh'][$i]['data'])) {
$strhData = $ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strh'][$i]['data'];
$strhfccType = substr($strhData, 0, 4);
if (isset($ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strf'][$i]['data'])) {
$strfData = $ThisFileInfo['RIFF']['AVI ']['hdrl']['strl']['strf'][$i]['data'];
switch ($strhfccType) {
case 'auds':
$ThisFileInfo['audio']['bitrate_mode'] = 'cbr';
$ThisFileInfo['audio']['dataformat'] = 'wav';
if (isset($ThisFileInfo['RIFF']['audio']) && is_array($ThisFileInfo['RIFF']['audio'])) {
$streamindex = count($ThisFileInfo['RIFF']['audio']);
}
$ThisFileInfo['RIFF']['audio'][$streamindex] = RIFFparseWAVEFORMATex($strfData);
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex] = $ThisFileInfo['RIFF']['audio'][$streamindex]['raw'];
unset($ThisFileInfo['RIFF']['audio'][$streamindex]['raw']);
$ThisFileInfo['audio'] = array_merge_noclobber($ThisFileInfo['audio'], $ThisFileInfo['RIFF']['audio'][$streamindex]);
switch ($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['wFormatTag']) {
case 85:
$ThisFileInfo['audio']['dataformat'] = 'mp3';
break;
case 8192:
$ThisFileInfo['audio']['dataformat'] = 'ac3';
break;
default:
$ThisFileInfo['audio']['dataformat'] = 'wav';
break;
}
break;
case 'iavs':
case 'vids':
$ThisFileInfo['RIFF']['raw']['strh'][$i]['fccType'] = substr($strhData, 0, 4);
// same as $strhfccType;
$ThisFileInfo['RIFF']['raw']['strh'][$i]['fccHandler'] = substr($strhData, 4, 4);
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwFlags'] = LittleEndian2Int(substr($strhData, 8, 4));
// Contains AVITF_* flags
$ThisFileInfo['RIFF']['raw']['strh'][$i]['wPriority'] = LittleEndian2Int(substr($strhData, 12, 2));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['wLanguage'] = LittleEndian2Int(substr($strhData, 14, 2));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwInitialFrames'] = LittleEndian2Int(substr($strhData, 16, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwScale'] = LittleEndian2Int(substr($strhData, 20, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwRate'] = LittleEndian2Int(substr($strhData, 24, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwStart'] = LittleEndian2Int(substr($strhData, 28, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwLength'] = LittleEndian2Int(substr($strhData, 32, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwSuggestedBufferSize'] = LittleEndian2Int(substr($strhData, 36, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwQuality'] = LittleEndian2Int(substr($strhData, 40, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['dwSampleSize'] = LittleEndian2Int(substr($strhData, 44, 4));
$ThisFileInfo['RIFF']['raw']['strh'][$i]['rcFrame'] = LittleEndian2Int(substr($strhData, 48, 4));
$ThisFileInfo['RIFF']['video'][$streamindex]['codec'] = RIFFfourccLookup($ThisFileInfo['RIFF']['raw']['strh'][$i]['fccHandler']);
if (!$ThisFileInfo['RIFF']['video'][$streamindex]['codec'] && isset($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc']) && RIFFfourccLookup($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc'])) {
$ThisFileInfo['RIFF']['video'][$streamindex]['codec'] = RIFFfourccLookup($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc']);
}
$ThisFileInfo['video']['codec'] = $ThisFileInfo['RIFF']['video'][$streamindex]['codec'];
switch ($strhfccType) {
case 'vids':
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biSize'] = LittleEndian2Int(substr($strfData, 0, 4));
// number of bytes required by the BITMAPINFOHEADER structure
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biWidth'] = LittleEndian2Int(substr($strfData, 4, 4));
// width of the bitmap in pixels
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biHeight'] = LittleEndian2Int(substr($strfData, 8, 4));
// height of the bitmap in pixels. If biHeight is positive, the bitmap is a 'bottom-up' DIB and its origin is the lower left corner. If biHeight is negative, the bitmap is a 'top-down' DIB and its origin is the upper left corner
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biPlanes'] = LittleEndian2Int(substr($strfData, 12, 2));
// number of color planes on the target device. In most cases this value must be set to 1
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biBitCount'] = LittleEndian2Int(substr($strfData, 14, 2));
// Specifies the number of bits per pixels
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc'] = substr($strfData, 16, 4);
//
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biSizeImage'] = LittleEndian2Int(substr($strfData, 20, 4));
// size of the bitmap data section of the image (the actual pixel data, excluding BITMAPINFOHEADER and RGBQUAD structures)
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biXPelsPerMeter'] = LittleEndian2Int(substr($strfData, 24, 4));
// horizontal resolution, in pixels per metre, of the target device
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biYPelsPerMeter'] = LittleEndian2Int(substr($strfData, 28, 4));
// vertical resolution, in pixels per metre, of the target device
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biClrUsed'] = LittleEndian2Int(substr($strfData, 32, 4));
// actual number of color indices in the color table used by the bitmap. If this value is zero, the bitmap uses the maximum number of colors corresponding to the value of the biBitCount member for the compression mode specified by biCompression
$ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['biClrImportant'] = LittleEndian2Int(substr($strfData, 36, 4));
// number of color indices that are considered important for displaying the bitmap. If this value is zero, all colors are important
if ($ThisFileInfo['RIFF']['video'][$streamindex]['codec'] == 'DV') {
$ThisFileInfo['RIFF']['video'][$streamindex]['dv_type'] = 2;
}
break;
case 'iavs':
$ThisFileInfo['RIFF']['video'][$streamindex]['dv_type'] = 1;
break;
}
break;
default:
$ThisFileInfo['warning'] .= "\n" . 'Unhandled fccType for stream (' . $i . '): "' . $strhfccType . '"';
break;
}
}
}
if (isset($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc']) && RIFFfourccLookup($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc'])) {
$ThisFileInfo['RIFF']['video'][$streamindex]['codec'] = RIFFfourccLookup($ThisFileInfo['RIFF']['raw']['strf']["{$strhfccType}"][$streamindex]['fourcc']);
$ThisFileInfo['video']['codec'] = $ThisFileInfo['RIFF']['video'][$streamindex]['codec'];
}
}
}
}
break;
case 'CDDA':
$ThisFileInfo['audio']['bitrate_mode'] = 'cbr';
$ThisFileInfo['audio']['dataformat'] = 'cda';
unset($ThisFileInfo['mime_type']);
if (isset($ThisFileInfo['RIFF']['CDDA']['fmt '][0]['data'])) {
$fmtData = $ThisFileInfo['RIFF']['CDDA']['fmt '][0]['data'];
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['unknown1'] = LittleEndian2Int(substr($fmtData, 0, 2));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['track_num'] = LittleEndian2Int(substr($fmtData, 2, 2));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['disc_id'] = LittleEndian2Int(substr($fmtData, 4, 4));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['start_offset_frame'] = LittleEndian2Int(substr($fmtData, 8, 4));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['playtime_frames'] = LittleEndian2Int(substr($fmtData, 12, 4));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['unknown6'] = LittleEndian2Int(substr($fmtData, 16, 4));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['unknown7'] = LittleEndian2Int(substr($fmtData, 20, 4));
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['start_offset_seconds'] = (double) $ThisFileInfo['RIFF']['CDDA']['fmt '][0]['start_offset_frame'] / 75;
$ThisFileInfo['RIFF']['CDDA']['fmt '][0]['playtime_seconds'] = (double) $ThisFileInfo['RIFF']['CDDA']['fmt '][0]['playtime_frames'] / 75;
$ThisFileInfo['comments']['track'] = $ThisFileInfo['RIFF']['CDDA']['fmt '][0]['track_num'];
$ThisFileInfo['playtime_seconds'] = $ThisFileInfo['RIFF']['CDDA']['fmt '][0]['playtime_seconds'];
// hardcoded data for CD-audio
$ThisFileInfo['audio']['sample_rate'] = 44100;
$ThisFileInfo['audio']['channels'] = 2;
$ThisFileInfo['audio']['bits_per_sample'] = 16;
$ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['audio']['sample_rate'] * $ThisFileInfo['audio']['channels'] * $ThisFileInfo['audio']['bits_per_sample'];
$ThisFileInfo['audio']['bitrate_mode'] = 'cbr';
}
break;
default:
unset($ThisFileInfo['fileformat']);
break;
}
if (isset($ThisFileInfo['RIFF']['WAVE']['DISP']) && is_array($ThisFileInfo['RIFF']['WAVE']['DISP'])) {
$ThisFileInfo['tags'][] = 'riff';
$ThisFileInfo['RIFF']['comments']['title'][] = trim(substr($ThisFileInfo['RIFF']['WAVE']['DISP'][count($ThisFileInfo['RIFF']['WAVE']['DISP']) - 1]['data'], 4));
}
if (isset($ThisFileInfo['RIFF']['WAVE']['INFO']) && is_array($ThisFileInfo['RIFF']['WAVE']['INFO'])) {
$ThisFileInfo['tags'][] = 'riff';
$RIFFinfoKeyLookup = array('IART' => 'artist', 'IGNR' => 'genre', 'ICMT' => 'comment', 'ICOP' => 'copyright', 'IENG' => 'engineers', 'IKEY' => 'keywords', 'IMED' => 'orignalmedium', 'INAM' => 'name', 'ISRC' => 'sourcesupplier', 'ITCH' => 'digitizer', 'ISBJ' => 'subject', 'ISRF' => 'digitizationsource');
foreach ($RIFFinfoKeyLookup as $key => $value) {
foreach ($ThisFileInfo['RIFF']['WAVE']['INFO']["{$key}"] as $commentid => $commentdata) {
if (trim($commentdata['data']) != '') {
$ThisFileInfo['RIFF']['comments']["{$value}"][] = trim($commentdata['data']);
}
}
}
}
if (!empty($ThisFileInfo['RIFF']['comments'])) {
CopyFormatCommentsToRootComments($ThisFileInfo['RIFF']['comments'], $ThisFileInfo, true, true, true);
}
if (!isset($ThisFileInfo['playtime_seconds'])) {
$ThisFileInfo['playtime_seconds'] = 0;
}
if (isset($ThisFileInfo['RIFF']['raw']['avih']['dwTotalFrames']) && isset($ThisFileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'])) {
$ThisFileInfo['playtime_seconds'] = $ThisFileInfo['RIFF']['raw']['avih']['dwTotalFrames'] * ($ThisFileInfo['RIFF']['raw']['avih']['dwMicroSecPerFrame'] / 1000000);
}
if ($ThisFileInfo['playtime_seconds'] > 0) {
if (isset($ThisFileInfo['RIFF']['audio']) && isset($ThisFileInfo['RIFF']['video'])) {
if (!isset($ThisFileInfo['bitrate'])) {
$ThisFileInfo['bitrate'] = ($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) / $ThisFileInfo['playtime_seconds'] * 8;
}
} elseif (isset($ThisFileInfo['RIFF']['audio']) && !isset($ThisFileInfo['RIFF']['video'])) {
if (!isset($ThisFileInfo['audio']['bitrate'])) {
$ThisFileInfo['audio']['bitrate'] = ($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) / $ThisFileInfo['playtime_seconds'] * 8;
}
} elseif (!isset($ThisFileInfo['RIFF']['audio']) && isset($ThisFileInfo['RIFF']['video'])) {
if (!isset($ThisFileInfo['video']['bitrate'])) {
$ThisFileInfo['video']['bitrate'] = ($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) / $ThisFileInfo['playtime_seconds'] * 8;
}
}
}
if (isset($ThisFileInfo['RIFF']['video']) && isset($ThisFileInfo['audio']['bitrate']) && $ThisFileInfo['audio']['bitrate'] > 0 && $ThisFileInfo['playtime_seconds'] > 0) {
$ThisFileInfo['audio']['bitrate'] = 0;
$ThisFileInfo['video']['bitrate'] = ($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) / $ThisFileInfo['playtime_seconds'] * 8;
foreach ($ThisFileInfo['RIFF']['audio'] as $channelnumber => $audioinfoarray) {
$ThisFileInfo['video']['bitrate'] -= $audioinfoarray['bitrate'];
$ThisFileInfo['audio']['bitrate'] += $audioinfoarray['bitrate'];
}
if ($ThisFileInfo['video']['bitrate'] <= 0) {
unset($ThisFileInfo['video']['bitrate']);
}
if ($ThisFileInfo['audio']['bitrate'] <= 0) {
unset($ThisFileInfo['audio']['bitrate']);
}
}
if (!empty($ThisFileInfo['RIFF']['raw']['fmt ']['nBitsPerSample'])) {
$ThisFileInfo['audio']['bits_per_sample'] = $ThisFileInfo['RIFF']['raw']['fmt ']['nBitsPerSample'];
}
// Skip RIFF header
$ThisFileInfo['avdataoffset'] += 44;
return true;
}
