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nextcloud/3rdparty/getid3/write.id3v2.php

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<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at http://getid3.sourceforge.net //
// or http://www.getid3.org //
/////////////////////////////////////////////////////////////////
// See readme.txt for more details //
/////////////////////////////////////////////////////////////////
/// //
// write.id3v2.php //
// module for writing ID3v2 tags //
// dependencies: module.tag.id3v2.php //
// ///
/////////////////////////////////////////////////////////////////
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true);
class getid3_write_id3v2
{
var $filename;
var $tag_data;
var $fread_buffer_size = 32768; // read buffer size in bytes
var $paddedlength = 4096; // minimum length of ID3v2 tag in bytes
var $majorversion = 3; // ID3v2 major version (2, 3 (recommended), 4)
var $minorversion = 0; // ID3v2 minor version - always 0
var $merge_existing_data = false; // if true, merge new data with existing tags; if false, delete old tag data and only write new tags
var $id3v2_default_encodingid = 0; // default text encoding (ISO-8859-1) if not explicitly passed
var $id3v2_use_unsynchronisation = false; // the specs say it should be TRUE, but most other ID3v2-aware programs are broken if unsynchronization is used, so by default don't use it.
var $warnings = array(); // any non-critical errors will be stored here
var $errors = array(); // any critical errors will be stored here
function getid3_write_id3v2() {
return true;
}
function WriteID3v2() {
// File MUST be writeable - CHMOD(646) at least. It's best if the
// directory is also writeable, because that method is both faster and less susceptible to errors.
if (!empty($this->filename) && (is_writeable($this->filename) || (!file_exists($this->filename) && is_writeable(dirname($this->filename))))) {
// Initialize getID3 engine
$getID3 = new getID3;
$OldThisFileInfo = $getID3->analyze($this->filename);
if (!getid3_lib::intValueSupported($OldThisFileInfo['filesize'])) {
$this->errors[] = 'Unable to write ID3v2 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB';
fclose($fp_source);
return false;
}
if ($this->merge_existing_data) {
// merge with existing data
if (!empty($OldThisFileInfo['id3v2'])) {
$this->tag_data = $this->array_join_merge($OldThisFileInfo['id3v2'], $this->tag_data);
}
}
$this->paddedlength = (isset($OldThisFileInfo['id3v2']['headerlength']) ? max($OldThisFileInfo['id3v2']['headerlength'], $this->paddedlength) : $this->paddedlength);
if ($NewID3v2Tag = $this->GenerateID3v2Tag()) {
if (file_exists($this->filename) && is_writeable($this->filename) && isset($OldThisFileInfo['id3v2']['headerlength']) && ($OldThisFileInfo['id3v2']['headerlength'] == strlen($NewID3v2Tag))) {
// best and fastest method - insert-overwrite existing tag (padded to length of old tag if neccesary)
if (file_exists($this->filename)) {
if (is_readable($this->filename) && is_writable($this->filename) && is_file($this->filename) && ($fp = fopen($this->filename, 'r+b'))) {
rewind($fp);
fwrite($fp, $NewID3v2Tag, strlen($NewID3v2Tag));
fclose($fp);
} else {
$this->errors[] = 'Could not fopen("'.$this->filename.'", "r+b")';
}
} else {
if (is_writable($this->filename) && is_file($this->filename) && ($fp = fopen($this->filename, 'wb'))) {
rewind($fp);
fwrite($fp, $NewID3v2Tag, strlen($NewID3v2Tag));
fclose($fp);
} else {
$this->errors[] = 'Could not fopen("'.$this->filename.'", "wb")';
}
}
} else {
if ($tempfilename = tempnam(GETID3_TEMP_DIR, 'getID3')) {
if (is_readable($this->filename) && is_file($this->filename) && ($fp_source = fopen($this->filename, 'rb'))) {
if (is_writable($tempfilename) && is_file($tempfilename) && ($fp_temp = fopen($tempfilename, 'wb'))) {
fwrite($fp_temp, $NewID3v2Tag, strlen($NewID3v2Tag));
rewind($fp_source);
if (!empty($OldThisFileInfo['avdataoffset'])) {
fseek($fp_source, $OldThisFileInfo['avdataoffset'], SEEK_SET);
}
while ($buffer = fread($fp_source, $this->fread_buffer_size)) {
fwrite($fp_temp, $buffer, strlen($buffer));
}
fclose($fp_temp);
fclose($fp_source);
copy($tempfilename, $this->filename);
unlink($tempfilename);
return true;
} else {
$this->errors[] = 'Could not fopen("'.$tempfilename.'", "wb")';
}
fclose($fp_source);
} else {
$this->errors[] = 'Could not fopen("'.$this->filename.'", "rb")';
}
}
return false;
}
} else {
$this->errors[] = '$this->GenerateID3v2Tag() failed';
}
if (!empty($this->errors)) {
return false;
}
return true;
} else {
$this->errors[] = 'WriteID3v2() failed: !is_writeable('.$this->filename.')';
}
return false;
}
function RemoveID3v2() {
// File MUST be writeable - CHMOD(646) at least. It's best if the
// directory is also writeable, because that method is both faster and less susceptible to errors.
if (is_writeable(dirname($this->filename))) {
// preferred method - only one copying operation, minimal chance of corrupting
// original file if script is interrupted, but required directory to be writeable
if (is_readable($this->filename) && is_file($this->filename) && ($fp_source = fopen($this->filename, 'rb'))) {
// Initialize getID3 engine
$getID3 = new getID3;
$OldThisFileInfo = $getID3->analyze($this->filename);
if (!getid3_lib::intValueSupported($OldThisFileInfo['filesize'])) {
$this->errors[] = 'Unable to remove ID3v2 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB';
fclose($fp_source);
return false;
}
rewind($fp_source);
if ($OldThisFileInfo['avdataoffset'] !== false) {
fseek($fp_source, $OldThisFileInfo['avdataoffset'], SEEK_SET);
}
if (is_writable($this->filename) && is_file($this->filename) && ($fp_temp = fopen($this->filename.'getid3tmp', 'w+b'))) {
while ($buffer = fread($fp_source, $this->fread_buffer_size)) {
fwrite($fp_temp, $buffer, strlen($buffer));
}
fclose($fp_temp);
} else {
$this->errors[] = 'Could not fopen("'.$this->filename.'getid3tmp", "w+b")';
}
fclose($fp_source);
} else {
$this->errors[] = 'Could not fopen("'.$this->filename.'", "rb")';
}
if (file_exists($this->filename)) {
unlink($this->filename);
}
rename($this->filename.'getid3tmp', $this->filename);
} elseif (is_writable($this->filename)) {
// less desirable alternate method - double-copies the file, overwrites original file
// and could corrupt source file if the script is interrupted or an error occurs.
if (is_readable($this->filename) && is_file($this->filename) && ($fp_source = fopen($this->filename, 'rb'))) {
// Initialize getID3 engine
$getID3 = new getID3;
$OldThisFileInfo = $getID3->analyze($this->filename);
if (!getid3_lib::intValueSupported($OldThisFileInfo['filesize'])) {
$this->errors[] = 'Unable to remove ID3v2 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB';
fclose($fp_source);
return false;
}
rewind($fp_source);
if ($OldThisFileInfo['avdataoffset'] !== false) {
fseek($fp_source, $OldThisFileInfo['avdataoffset'], SEEK_SET);
}
if ($fp_temp = tmpfile()) {
while ($buffer = fread($fp_source, $this->fread_buffer_size)) {
fwrite($fp_temp, $buffer, strlen($buffer));
}
fclose($fp_source);
if (is_writable($this->filename) && is_file($this->filename) && ($fp_source = fopen($this->filename, 'wb'))) {
rewind($fp_temp);
while ($buffer = fread($fp_temp, $this->fread_buffer_size)) {
fwrite($fp_source, $buffer, strlen($buffer));
}
fseek($fp_temp, -128, SEEK_END);
fclose($fp_source);
} else {
$this->errors[] = 'Could not fopen("'.$this->filename.'", "wb")';
}
fclose($fp_temp);
} else {
$this->errors[] = 'Could not create tmpfile()';
}
} else {
$this->errors[] = 'Could not fopen("'.$this->filename.'", "rb")';
}
} else {
$this->errors[] = 'Directory and file both not writeable';
}
if (!empty($this->errors)) {
return false;
}
return true;
}
function GenerateID3v2TagFlags($flags) {
switch ($this->majorversion) {
case 4:
// %abcd0000
$flag = (!empty($flags['unsynchronisation']) ? '1' : '0'); // a - Unsynchronisation
$flag .= (!empty($flags['extendedheader'] ) ? '1' : '0'); // b - Extended header
$flag .= (!empty($flags['experimental'] ) ? '1' : '0'); // c - Experimental indicator
$flag .= (!empty($flags['footer'] ) ? '1' : '0'); // d - Footer present
$flag .= '0000';
break;
case 3:
// %abc00000
$flag = (!empty($flags['unsynchronisation']) ? '1' : '0'); // a - Unsynchronisation
$flag .= (!empty($flags['extendedheader'] ) ? '1' : '0'); // b - Extended header
$flag .= (!empty($flags['experimental'] ) ? '1' : '0'); // c - Experimental indicator
$flag .= '00000';
break;
case 2:
// %ab000000
$flag = (!empty($flags['unsynchronisation']) ? '1' : '0'); // a - Unsynchronisation
$flag .= (!empty($flags['compression'] ) ? '1' : '0'); // b - Compression
$flag .= '000000';
break;
default:
return false;
break;
}
return chr(bindec($flag));
}
function GenerateID3v2FrameFlags($TagAlter=false, $FileAlter=false, $ReadOnly=false, $Compression=false, $Encryption=false, $GroupingIdentity=false, $Unsynchronisation=false, $DataLengthIndicator=false) {
switch ($this->majorversion) {
case 4:
// %0abc0000 %0h00kmnp
$flag1 = '0';
$flag1 .= $TagAlter ? '1' : '0'; // a - Tag alter preservation (true == discard)
$flag1 .= $FileAlter ? '1' : '0'; // b - File alter preservation (true == discard)
$flag1 .= $ReadOnly ? '1' : '0'; // c - Read only (true == read only)
$flag1 .= '0000';
$flag2 = '0';
$flag2 .= $GroupingIdentity ? '1' : '0'; // h - Grouping identity (true == contains group information)
$flag2 .= '00';
$flag2 .= $Compression ? '1' : '0'; // k - Compression (true == compressed)
$flag2 .= $Encryption ? '1' : '0'; // m - Encryption (true == encrypted)
$flag2 .= $Unsynchronisation ? '1' : '0'; // n - Unsynchronisation (true == unsynchronised)
$flag2 .= $DataLengthIndicator ? '1' : '0'; // p - Data length indicator (true == data length indicator added)
break;
case 3:
// %abc00000 %ijk00000
$flag1 = $TagAlter ? '1' : '0'; // a - Tag alter preservation (true == discard)
$flag1 .= $FileAlter ? '1' : '0'; // b - File alter preservation (true == discard)
$flag1 .= $ReadOnly ? '1' : '0'; // c - Read only (true == read only)
$flag1 .= '00000';
$flag2 = $Compression ? '1' : '0'; // i - Compression (true == compressed)
$flag2 .= $Encryption ? '1' : '0'; // j - Encryption (true == encrypted)
$flag2 .= $GroupingIdentity ? '1' : '0'; // k - Grouping identity (true == contains group information)
$flag2 .= '00000';
break;
default:
return false;
break;
}
return chr(bindec($flag1)).chr(bindec($flag2));
}
function GenerateID3v2FrameData($frame_name, $source_data_array) {
if (!getid3_id3v2::IsValidID3v2FrameName($frame_name, $this->majorversion)) {
return false;
}
$framedata = '';
if (($this->majorversion < 3) || ($this->majorversion > 4)) {
$this->errors[] = 'Only ID3v2.3 and ID3v2.4 are supported in GenerateID3v2FrameData()';
} else { // $this->majorversion 3 or 4
switch ($frame_name) {
case 'UFID':
// 4.1 UFID Unique file identifier
// Owner identifier <text string> $00
// Identifier <up to 64 bytes binary data>
if (strlen($source_data_array['data']) > 64) {
$this->errors[] = 'Identifier not allowed to be longer than 64 bytes in '.$frame_name.' (supplied data was '.strlen($source_data_array['data']).' bytes long)';
} else {
$framedata .= str_replace("\x00", '', $source_data_array['ownerid'])."\x00";
$framedata .= substr($source_data_array['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>
$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'], $this->majorversion)) {
$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].') for ID3v2.'.$this->majorversion;
} else {
$framedata .= chr($source_data_array['encodingid']);
$framedata .= $source_data_array['description'].getid3_id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= $source_data_array['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>
$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'], $this->majorversion)) {
$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].') for ID3v2.'.$this->majorversion;
} elseif (!isset($source_data_array['data']) || !$this->IsValidURL($source_data_array['data'], false, false)) {
//$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
// probably should be an error, need to rewrite IsValidURL() to handle other encodings
$this->warnings[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
} else {
$framedata .= chr($source_data_array['encodingid']);
$framedata .= $source_data_array['description'].getid3_id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= $source_data_array['data'];
}
break;
case 'IPLS':
// 4.4 IPLS Involved people list (ID3v2.3 only)
// Text encoding $xx
// People list strings <textstrings>
$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'], $this->majorversion)) {
$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].') for ID3v2.'.$this->majorversion;
} else {
$framedata .= chr($source_data_array['encodingid']);
$framedata .= $source_data_array['data'];
}
break;
case 'MCDI':
// 4.4 MCDI Music CD identifier
// CD TOC <binary data>
$framedata .= $source_data_array['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 $xx (xx ...)
// The 'Time stamp' is set to zero if directly at the beginning of the sound
// or after the previous event. All events MUST be sorted in chronological order.
if (($source_data_array['timestampformat'] > 2) || ($source_data_array['timestampformat'] < 1)) {
$this->errors[] = 'Invalid Time Stamp Format byte in '.$frame_name.' ('.$source_data_array['timestampformat'].')';
} else {
$framedata .= chr($source_data_array['timestampformat']);
foreach ($source_data_array as $key => $val) {
if (!$this->ID3v2IsValidETCOevent($val['typeid'])) {
$this->errors[] = 'Invalid Event Type byte in '.$frame_name.' ('.$val['typeid'].')';
} elseif (($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.
$this->errors[] = 'Out-of-order timestamp in '.$frame_name.' ('.$val['timestamp'].') for Event Type ('.$val['typeid'].')';
} else {
$framedata .= chr($val['typeid']);
$framedata .= getid3_lib::BigEndian2String($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. $xx
// Then for every reference the following data is included;
// Deviation in bytes %xxx....
// Deviation in milliseconds %xxx....
if (($source_data_array['framesbetweenreferences'] > 0) && ($source_data_array['framesbetweenreferences'] <= 65535)) {
$framedata .= getid3_lib::BigEndian2String($source_data_array['framesbetweenreferences'], 2, false);
} else {
$this->errors[] = 'Invalid MPEG Frames Between References in '.$frame_name.' ('.$source_data_array['framesbetweenreferences'].')';
}
if (($source_data_array['bytesbetweenreferences'] > 0) && ($source_data_array['bytesbetweenreferences'] <= 16777215)) {
$framedata .= getid3_lib::BigEndian2String($source_data_array['bytesbetweenreferences'], 3, false);
} else {
$this->errors[] = 'Invalid bytes Between References in '.$frame_name.' ('.$source_data_array['bytesbetweenreferences'].')';
}
if (($source_data_array['msbetweenreferences'] > 0) && ($source_data_array['msbetweenreferences'] <= 16777215)) {
$framedata .= getid3_lib::BigEndian2String($source_data_array['msbetweenreferences'], 3, false);
} else {
$this->errors[] = 'Invalid Milliseconds Between References in '.$frame_name.' ('.$source_data_array['msbetweenreferences'].')';
}
if (!$this->IsWithinBitRange($source_data_array['bitsforbytesdeviation'], 8, false)) {
if (($source_data_array['bitsforbytesdeviation'] % 4) == 0) {
$framedata .= chr($source_data_array['bitsforbytesdeviation']);
} else {
$this->errors[] = 'Bits For Bytes Deviation in '.$frame_name.' ('.$source_data_array['bitsforbytesdeviation'].') must be a multiple of 4.';
}
} else {
$this->errors[] = 'Invalid Bits For Bytes Deviation in '.$frame_name.' ('.$source_data_array['bitsforbytesdeviation'].')';
}
if (!$this->IsWithinBitRange($source_data_array['bitsformsdeviation'], 8, false)) {
if (($source_data_array['bitsformsdeviation'] % 4) == 0) {
$framedata .= chr($source_data_array['bitsformsdeviation']);
} else {
$this->errors[] = 'Bits For Milliseconds Deviation in '.$frame_name.' ('.$source_data_array['bitsforbytesdeviation'].') must be a multiple of 4.';
}
} else {
$this->errors[] = 'Invalid Bits For Milliseconds Deviation in '.$frame_name.' ('.$source_data_array['bitsformsdeviation'].')';
}
foreach ($source_data_array as $key => $val) {
if (($key != 'framesbetweenreferences') && ($key != 'bytesbetweenreferences') && ($key != 'msbetweenreferences') && ($key != 'bitsforbytesdeviation') && ($key != 'bitsformsdeviation') && ($key != 'flags')) {
$unwrittenbitstream .= str_pad(getid3_lib::Dec2Bin($val['bytedeviation']), $source_data_array['bitsforbytesdeviation'], '0', STR_PAD_LEFT);
$unwrittenbitstream .= str_pad(getid3_lib::Dec2Bin($val['msdeviation']), $source_data_array['bitsformsdeviation'], '0', STR_PAD_LEFT);
}
}
for ($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
// $02 (32-bit value) milliseconds from beginning of file
if (($source_data_array['timestampformat'] > 2) || ($source_data_array['timestampformat'] < 1)) {
$this->errors[] = 'Invalid Time Stamp Format byte in '.$frame_name.' ('.$source_data_array['timestampformat'].')';
} else {
$framedata .= chr($source_data_array['timestampformat']);
foreach ($source_data_array as $key => $val) {
if (!$this->ID3v2IsValidETCOevent($val['typeid'])) {
$this->errors[] = 'Invalid Event Type byte in '.$frame_name.' ('.$val['typeid'].')';
} elseif (($key != 'timestampformat') && ($key != 'flags')) {
if (($val['tempo'] < 0) || ($val['tempo'] > 510)) {
$this->errors[] = 'Invalid Tempo (max = 510) in '.$frame_name.' ('.$val['tempo'].') at timestamp ('.$val['timestamp'].')';
} else {
if ($val['tempo'] > 255) {
$framedata .= chr(255);
$val['tempo'] -= 255;
}
$framedata .= chr($val['tempo']);
$framedata .= getid3_lib::BigEndian2String($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>
$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) {
$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].') for ID3v2.'.$this->majorversion;
} elseif (getid3_id3v2::LanguageLookup($source_data_array['language'], true) == '') {
$this->errors[] = 'Invalid Language in '.$frame_name.' ('.$source_data_array['language'].')';
} else {
$framedata .= chr($source_data_array['encodingid']);
$framedata .= strtolower($source_data_array['language']);
$framedata .= $source_data_array['description'].getid3_id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= $source_data_array['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 ...)
$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) {
$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].') for ID3v2.'.$this->majorversion;
} elseif (getid3_id3v2::LanguageLookup($source_data_array['language'], true) == '') {
$this->errors[] = 'Invalid Language in '.$frame_name.' ('.$source_data_array['language'].')';
} elseif (($source_data_array['timestampformat'] > 2) || ($source_data_array['timestampformat'] < 1)) {
$this->errors[] = 'Invalid Time Stamp Format byte in '.$frame_name.' ('.$source_data_array['timestampformat'].')';
} elseif (!$this->ID3v2IsValidSYLTtype($source_data_array['contenttypeid'])) {
$this->errors[] = 'Invalid Content Type byte in '.$frame_name.' ('.$source_data_array['contenttypeid'].')';
} elseif (!is_array($source_data_array['data'])) {
$this->errors[] = 'Invalid Lyric/Timestamp data in '.$frame_name.' (must be an array)';
} else {
$framedata .= chr($source_data_array['encodingid']);
$framedata .= strtolower($source_data_array['language']);
$framedata .= chr($source_data_array['timestampformat']);
$framedata .= chr($source_data_array['contenttypeid']);
$framedata .= $source_data_array['description'].getid3_id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
ksort($source_data_array['data']);
foreach ($source_data_array['data'] as $key => $val) {
$framedata .= $val['data'].getid3_id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= getid3_lib::BigEndian2String($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>
$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) {
$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].') for ID3v2.'.$this->majorversion;
} elseif (getid3_id3v2::LanguageLookup($source_data_array['language'], true) == '') {
$this->errors[] = 'Invalid Language in '.$frame_name.' ('.$source_data_array['language'].')';
} else {
$framedata .= chr($source_data_array['encodingid']);
$framedata .= strtolower($source_data_array['language']);
$framedata .= $source_data_array['description'].getid3_id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= $source_data_array['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("\x00", '', $source_data_array['description'])."\x00";
foreach ($source_data_array as $key => $val) {
if ($key != 'description') {
$framedata .= chr($val['channeltypeid']);
$framedata .= getid3_lib::BigEndian2String($val['volumeadjust'], 2, false, true); // signed 16-bit
if (!$this->IsWithinBitRange($source_data_array['bitspeakvolume'], 8, false)) {
$framedata .= chr($val['bitspeakvolume']);
if ($val['bitspeakvolume'] > 0) {
$framedata .= getid3_lib::BigEndian2String($val['peakvolume'], ceil($val['bitspeakvolume'] / 8), false, false);
}
} else {
$this->errors[] = 'Invalid Bits Representing Peak Volume in '.$frame_name.' ('.$val['bitspeakvolume'].') (range = 0 to 255)';
}
}
}
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 $xx xx (xx ...)
if (!$this->IsWithinBitRange($source_data_array['bitsvolume'], 8, false)) {
$this->errors[] = 'Invalid Bits For Volume Description byte in '.$frame_name.' ('.$source_data_array['bitsvolume'].') (range = 1 to 255)';
} else {
$incdecflag .= '00';
$incdecflag .= $source_data_array['incdec']['right'] ? '1' : '0'; // a - Relative volume change, right
$incdecflag .= $source_data_array['incdec']['left'] ? '1' : '0'; // b - Relative volume change, left
$incdecflag .= $source_data_array['incdec']['rightrear'] ? '1' : '0'; // c - Relative volume change, right back
$incdecflag .= $source_data_array['incdec']['leftrear'] ? '1' : '0'; // d - Relative volume change, left back
$incdecflag .= $source_data_array['incdec']['center'] ? '1' : '0'; // e - Relative volume change, center
$incdecflag .= $source_data_array['incdec']['bass'] ? '1' : '0'; // f - Relative volume change, bass
$framedata .= chr(bindec($incdecflag));
$framedata .= chr($source_data_array['bitsvolume']);
$framedata .= getid3_lib::BigEndian2String($source_data_array['volumechange']['right'], ceil($source_data_array['bitsvolume'] / 8), false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['volumechange']['left'], ceil($source_data_array['bitsvolume'] / 8), false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['peakvolume']['right'], ceil($source_data_array['bitsvolume'] / 8), false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['peakvolume']['left'], ceil($source_data_array['bitsvolume'] / 8), false);
if ($source_data_array['volumechange']['rightrear'] || $source_data_array['volumechange']['leftrear'] ||
$source_data_array['peakvolume']['rightrear'] || $source_data_array['peakvolume']['leftrear'] ||
$source_data_array['volumechange']['center'] || $source_data_array['peakvolume']['center'] ||
$source_data_array['volumechange']['bass'] || $source_data_array['peakvolume']['bass']) {
$framedata .= getid3_lib::BigEndian2String($source_data_array['volumechange']['rightrear'], ceil($source_data_array['bitsvolume']/8), false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['volumechange']['leftrear'], ceil($source_data_array['bitsvolume']/8), false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['peakvolume']['rightrear'], ceil($source_data_array['bitsvolume']/8), false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['peakvolume']['leftrear'], ceil($source_data_array['bitsvolume']/8), false);
}
if ($source_data_array['volumechange']['center'] || $source_data_array['peakvolume']['center'] ||
$source_data_array['volumechange']['bass'] || $source_data_array['peakvolume']['bass']) {
$framedata .= getid3_lib::BigEndian2String($source_data_array['volumechange']['center'], ceil($source_data_array['bitsvolume']/8), false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['peakvolume']['center'], ceil($source_data_array['bitsvolume']/8), false);
}
if ($source_data_array['volumechange']['bass'] || $source_data_array['peakvolume']['bass']) {
$framedata .= getid3_lib::BigEndian2String($source_data_array['volumechange']['bass'], ceil($source_data_array['bitsvolume']/8), false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['peakvolume']['bass'], ceil($source_data_array['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 $xx xx
if (($source_data_array['interpolationmethod'] < 0) || ($source_data_array['interpolationmethod'] > 1)) {
$this->errors[] = 'Invalid Interpolation Method byte in '.$frame_name.' ('.$source_data_array['interpolationmethod'].') (valid = 0 or 1)';
} else {
$framedata .= chr($source_data_array['interpolationmethod']);
$framedata .= str_replace("\x00", '', $source_data_array['description'])."\x00";
foreach ($source_data_array['data'] as $key => $val) {
$framedata .= getid3_lib::BigEndian2String(intval(round($key * 2)), 2, false);
$framedata .= getid3_lib::BigEndian2String($val, 2, false, true); // 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 $xx (xx ...)
if (!$this->IsWithinBitRange($source_data_array['bitsvolume'], 8, false)) {
$this->errors[] = 'Invalid Adjustment Bits byte in '.$frame_name.' ('.$source_data_array['bitsvolume'].') (range = 1 to 255)';
} else {
$framedata .= chr($source_data_array['adjustmentbits']);
foreach ($source_data_array as $key => $val) {
if ($key != 'bitsvolume') {
if (($key > 32767) || ($key < 0)) {
$this->errors[] = 'Invalid Frequency in '.$frame_name.' ('.$key.') (range = 0 to 32767)';
} else {
if ($val >= 0) {
// put MSB of frequency to 1 if increment, 0 if decrement
$key |= 0x8000;
}
$framedata .= getid3_lib::BigEndian2String($key, 2, false);
$framedata .= getid3_lib::BigEndian2String($val, ceil($source_data_array['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 $xx
if (!$this->IsWithinBitRange($source_data_array['left'], 16, false)) {
$this->errors[] = 'Invalid Reverb Left in '.$frame_name.' ('.$source_data_array['left'].') (range = 0 to 65535)';
} elseif (!$this->IsWithinBitRange($source_data_array['right'], 16, false)) {
$this->errors[] = 'Invalid Reverb Left in '.$frame_name.' ('.$source_data_array['right'].') (range = 0 to 65535)';
} elseif (!$this->IsWithinBitRange($source_data_array['bouncesL'], 8, false)) {
$this->errors[] = 'Invalid Reverb Bounces, Left in '.$frame_name.' ('.$source_data_array['bouncesL'].') (range = 0 to 255)';
} elseif (!$this->IsWithinBitRange($source_data_array['bouncesR'], 8, false)) {
$this->errors[] = 'Invalid Reverb Bounces, Right in '.$frame_name.' ('.$source_data_array['bouncesR'].') (range = 0 to 255)';
} elseif (!$this->IsWithinBitRange($source_data_array['feedbackLL'], 8, false)) {
$this->errors[] = 'Invalid Reverb Feedback, Left-To-Left in '.$frame_name.' ('.$source_data_array['feedbackLL'].') (range = 0 to 255)';
} elseif (!$this->IsWithinBitRange($source_data_array['feedbackLR'], 8, false)) {
$this->errors[] = 'Invalid Reverb Feedback, Left-To-Right in '.$frame_name.' ('.$source_data_array['feedbackLR'].') (range = 0 to 255)';
} elseif (!$this->IsWithinBitRange($source_data_array['feedbackRR'], 8, false)) {
$this->errors[] = 'Invalid Reverb Feedback, Right-To-Right in '.$frame_name.' ('.$source_data_array['feedbackRR'].') (range = 0 to 255)';
} elseif (!$this->IsWithinBitRange($source_data_array['feedbackRL'], 8, false)) {
$this->errors[] = 'Invalid Reverb Feedback, Right-To-Left in '.$frame_name.' ('.$source_data_array['feedbackRL'].') (range = 0 to 255)';
} elseif (!$this->IsWithinBitRange($source_data_array['premixLR'], 8, false)) {
$this->errors[] = 'Invalid Premix, Left-To-Right in '.$frame_name.' ('.$source_data_array['premixLR'].') (range = 0 to 255)';
} elseif (!$this->IsWithinBitRange($source_data_array['premixRL'], 8, false)) {
$this->errors[] = 'Invalid Premix, Right-To-Left in '.$frame_name.' ('.$source_data_array['premixRL'].') (range = 0 to 255)';
} else {
$framedata .= getid3_lib::BigEndian2String($source_data_array['left'], 2, false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['right'], 2, false);
$framedata .= chr($source_data_array['bouncesL']);
$framedata .= chr($source_data_array['bouncesR']);
$framedata .= chr($source_data_array['feedbackLL']);
$framedata .= chr($source_data_array['feedbackLR']);
$framedata .= chr($source_data_array['feedbackRR']);
$framedata .= chr($source_data_array['feedbackRL']);
$framedata .= chr($source_data_array['premixLR']);
$framedata .= chr($source_data_array['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>
$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) {
$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].') for ID3v2.'.$this->majorversion;
} elseif (!$this->ID3v2IsValidAPICpicturetype($source_data_array['picturetypeid'])) {
$this->errors[] = 'Invalid Picture Type byte in '.$frame_name.' ('.$source_data_array['picturetypeid'].') for ID3v2.'.$this->majorversion;
} elseif (($this->majorversion >= 3) && (!$this->ID3v2IsValidAPICimageformat($source_data_array['mime']))) {
$this->errors[] = 'Invalid MIME Type in '.$frame_name.' ('.$source_data_array['mime'].') for ID3v2.'.$this->majorversion;
} elseif (($source_data_array['mime'] == '-->') && (!$this->IsValidURL($source_data_array['data'], false, false))) {
//$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
// probably should be an error, need to rewrite IsValidURL() to handle other encodings
$this->warnings[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
} else {
$framedata .= chr($source_data_array['encodingid']);
$framedata .= str_replace("\x00", '', $source_data_array['mime'])."\x00";
$framedata .= chr($source_data_array['picturetypeid']);
$framedata .= (!empty($source_data_array['description']) ? $source_data_array['description'] : '').getid3_id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= $source_data_array['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>
$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) {
$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].') for ID3v2.'.$this->majorversion;
} elseif (!$this->IsValidMIMEstring($source_data_array['mime'])) {
$this->errors[] = 'Invalid MIME Type in '.$frame_name.' ('.$source_data_array['mime'].')';
} elseif (!$source_data_array['description']) {
$this->errors[] = 'Missing Description in '.$frame_name;
} else {
$framedata .= chr($source_data_array['encodingid']);
$framedata .= str_replace("\x00", '', $source_data_array['mime'])."\x00";
$framedata .= $source_data_array['filename'].getid3_id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= $source_data_array['description'].getid3_id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= $source_data_array['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 ...)
$framedata .= getid3_lib::BigEndian2String($source_data_array['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 $xx xx xx xx (xx ...)
if (!$this->IsWithinBitRange($source_data_array['rating'], 8, false)) {
$this->errors[] = 'Invalid Rating byte in '.$frame_name.' ('.$source_data_array['rating'].') (range = 0 to 255)';
} elseif (!IsValidEmail($source_data_array['email'])) {
$this->errors[] = 'Invalid Email in '.$frame_name.' ('.$source_data_array['email'].')';
} else {
$framedata .= str_replace("\x00", '', $source_data_array['email'])."\x00";
$framedata .= chr($source_data_array['rating']);
$framedata .= getid3_lib::BigEndian2String($source_data_array['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 $xx xx xx xx
if (!$this->IsWithinBitRange($source_data_array['buffersize'], 24, false)) {
$this->errors[] = 'Invalid Buffer Size in '.$frame_name;
} elseif (!$this->IsWithinBitRange($source_data_array['nexttagoffset'], 32, false)) {
$this->errors[] = 'Invalid Offset To Next Tag in '.$frame_name;
} else {
$framedata .= getid3_lib::BigEndian2String($source_data_array['buffersize'], 3, false);
$flag .= '0000000';
$flag .= $source_data_array['flags']['embededinfo'] ? '1' : '0';
$framedata .= chr(bindec($flag));
$framedata .= getid3_lib::BigEndian2String($source_data_array['nexttagoffset'], 4, false);
}
break;
case 'AENC':
// 4.19 AENC Audio encryption
// Owner identifier <text string> $00
// Preview start $xx xx
// Preview length $xx xx
// Encryption info <binary data>
if (!$this->IsWithinBitRange($source_data_array['previewstart'], 16, false)) {
$this->errors[] = 'Invalid Preview Start in '.$frame_name.' ('.$source_data_array['previewstart'].')';
} elseif (!$this->IsWithinBitRange($source_data_array['previewlength'], 16, false)) {
$this->errors[] = 'Invalid Preview Length in '.$frame_name.' ('.$source_data_array['previewlength'].')';
} else {
$framedata .= str_replace("\x00", '', $source_data_array['ownerid'])."\x00";
$framedata .= getid3_lib::BigEndian2String($source_data_array['previewstart'], 2, false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['previewlength'], 2, false);
$framedata .= $source_data_array['encryptioninfo'];
}
break;
case 'LINK':
// 4.20 LINK Linked information
// Frame identifier $xx xx xx xx
// URL <text string> $00
// ID and additional data <text string(s)>
if (!getid3_id3v2::IsValidID3v2FrameName($source_data_array['frameid'], $this->majorversion)) {
$this->errors[] = 'Invalid Frame Identifier in '.$frame_name.' ('.$source_data_array['frameid'].')';
} elseif (!$this->IsValidURL($source_data_array['data'], true, false)) {
//$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
// probably should be an error, need to rewrite IsValidURL() to handle other encodings
$this->warnings[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
} elseif ((($source_data_array['frameid'] == 'AENC') || ($source_data_array['frameid'] == 'APIC') || ($source_data_array['frameid'] == 'GEOB') || ($source_data_array['frameid'] == 'TXXX')) && ($source_data_array['additionaldata'] == '')) {
$this->errors[] = 'Content Descriptor must be specified as additional data for Frame Identifier of '.$source_data_array['frameid'].' in '.$frame_name;
} elseif (($source_data_array['frameid'] == 'USER') && (getid3_id3v2::LanguageLookup($source_data_array['additionaldata'], true) == '')) {
$this->errors[] = 'Language must be specified as additional data for Frame Identifier of '.$source_data_array['frameid'].' in '.$frame_name;
} elseif (($source_data_array['frameid'] == 'PRIV') && ($source_data_array['additionaldata'] == '')) {
$this->errors[] = 'Owner Identifier must be specified as additional data for Frame Identifier of '.$source_data_array['frameid'].' in '.$frame_name;
} elseif ((($source_data_array['frameid'] == 'COMM') || ($source_data_array['frameid'] == 'SYLT') || ($source_data_array['frameid'] == 'USLT')) && ((getid3_id3v2::LanguageLookup(substr($source_data_array['additionaldata'], 0, 3), true) == '') || (substr($source_data_array['additionaldata'], 3) == ''))) {
$this->errors[] = 'Language followed by Content Descriptor must be specified as additional data for Frame Identifier of '.$source_data_array['frameid'].' in '.$frame_name;
} else {
$framedata .= $source_data_array['frameid'];
$framedata .= str_replace("\x00", '', $source_data_array['data'])."\x00";
switch ($source_data_array['frameid']) {
case 'COMM':
case 'SYLT':
case 'USLT':
case 'PRIV':
case 'USER':
case 'AENC':
case 'APIC':
case 'GEOB':
case 'TXXX':
$framedata .= $source_data_array['additionaldata'];
break;
case 'ASPI':
case 'ETCO':
case 'EQU2':
case 'MCID':
case 'MLLT':
case 'OWNE':
case 'RVA2':
case 'RVRB':
case 'SYTC':
case 'IPLS':
case 'RVAD':
case 'EQUA':
// no additional data required
break;
case 'RBUF':
if ($this->majorversion == 3) {
// no additional data required
} else {
$this->errors[] = $source_data_array['frameid'].' is not a valid Frame Identifier in '.$frame_name.' (in ID3v2.'.$this->majorversion.')';
}
default:
if ((substr($source_data_array['frameid'], 0, 1) == 'T') || (substr($source_data_array['frameid'], 0, 1) == 'W')) {
// no additional data required
} else {
$this->errors[] = $source_data_array['frameid'].' is not a valid Frame Identifier in '.$frame_name.' (in ID3v2.'.$this->majorversion.')';
}
break;
}
}
break;
case 'POSS':
// 4.21 POSS Position synchronisation frame (ID3v2.3+ only)
// Time stamp format $xx
// Position $xx (xx ...)
if (($source_data_array['timestampformat'] < 1) || ($source_data_array['timestampformat'] > 2)) {
$this->errors[] = 'Invalid Time Stamp Format in '.$frame_name.' ('.$source_data_array['timestampformat'].') (valid = 1 or 2)';
} elseif (!$this->IsWithinBitRange($source_data_array['position'], 32, false)) {
$this->errors[] = 'Invalid Position in '.$frame_name.' ('.$source_data_array['position'].') (range = 0 to 4294967295)';
} else {
$framedata .= chr($source_data_array['timestampformat']);
$framedata .= getid3_lib::BigEndian2String($source_data_array['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>
$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) {
$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].')';
} elseif (getid3_id3v2::LanguageLookup($source_data_array['language'], true) == '') {
$this->errors[] = 'Invalid Language in '.$frame_name.' ('.$source_data_array['language'].')';
} else {
$framedata .= chr($source_data_array['encodingid']);
$framedata .= strtolower($source_data_array['language']);
$framedata .= $source_data_array['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>
$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) {
$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].')';
} elseif (!$this->IsANumber($source_data_array['pricepaid']['value'], false)) {
$this->errors[] = 'Invalid Price Paid in '.$frame_name.' ('.$source_data_array['pricepaid']['value'].')';
} elseif (!$this->IsValidDateStampString($source_data_array['purchasedate'])) {
$this->errors[] = 'Invalid Date Of Purchase in '.$frame_name.' ('.$source_data_array['purchasedate'].') (format = YYYYMMDD)';
} else {
$framedata .= chr($source_data_array['encodingid']);
$framedata .= str_replace("\x00", '', $source_data_array['pricepaid']['value'])."\x00";
$framedata .= $source_data_array['purchasedate'];
$framedata .= $source_data_array['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>
$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) {
$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].')';
} elseif (!$this->IsValidDateStampString($source_data_array['pricevaliduntil'])) {
$this->errors[] = 'Invalid Valid Until date in '.$frame_name.' ('.$source_data_array['pricevaliduntil'].') (format = YYYYMMDD)';
} elseif (!$this->IsValidURL($source_data_array['contacturl'], false, true)) {
$this->errors[] = 'Invalid Contact URL in '.$frame_name.' ('.$source_data_array['contacturl'].') (allowed schemes: http, https, ftp, mailto)';
} elseif (!$this->ID3v2IsValidCOMRreceivedAs($source_data_array['receivedasid'])) {
$this->errors[] = 'Invalid Received As byte in '.$frame_name.' ('.$source_data_array['contacturl'].') (range = 0 to 8)';
} elseif (!$this->IsValidMIMEstring($source_data_array['mime'])) {
$this->errors[] = 'Invalid MIME Type in '.$frame_name.' ('.$source_data_array['mime'].')';
} else {
$framedata .= chr($source_data_array['encodingid']);
unset($pricestring);
foreach ($source_data_array['price'] as $key => $val) {
if ($this->ID3v2IsValidPriceString($key.$val['value'])) {
$pricestrings[] = $key.$val['value'];
} else {
$this->errors[] = 'Invalid Price String in '.$frame_name.' ('.$key.$val['value'].')';
}
}
$framedata .= implode('/', $pricestrings);
$framedata .= $source_data_array['pricevaliduntil'];
$framedata .= str_replace("\x00", '', $source_data_array['contacturl'])."\x00";
$framedata .= chr($source_data_array['receivedasid']);
$framedata .= $source_data_array['sellername'].getid3_id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= $source_data_array['description'].getid3_id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= $source_data_array['mime']."\x00";
$framedata .= $source_data_array['logo'];
}
break;
case 'ENCR':
// 4.25 ENCR Encryption method registration (ID3v2.3+ only)
// Owner identifier <text string> $00
// Method symbol $xx
// Encryption data <binary data>
if (!$this->IsWithinBitRange($source_data_array['methodsymbol'], 8, false)) {
$this->errors[] = 'Invalid Group Symbol in '.$frame_name.' ('.$source_data_array['methodsymbol'].') (range = 0 to 255)';
} else {
$framedata .= str_replace("\x00", '', $source_data_array['ownerid'])."\x00";
$framedata .= ord($source_data_array['methodsymbol']);
$framedata .= $source_data_array['data'];
}
break;
case 'GRID':
// 4.26 GRID Group identification registration (ID3v2.3+ only)
// Owner identifier <text string> $00
// Group symbol $xx
// Group dependent data <binary data>
if (!$this->IsWithinBitRange($source_data_array['groupsymbol'], 8, false)) {
$this->errors[] = 'Invalid Group Symbol in '.$frame_name.' ('.$source_data_array['groupsymbol'].') (range = 0 to 255)';
} else {
$framedata .= str_replace("\x00", '', $source_data_array['ownerid'])."\x00";
$framedata .= ord($source_data_array['groupsymbol']);
$framedata .= $source_data_array['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("\x00", '', $source_data_array['ownerid'])."\x00";
$framedata .= $source_data_array['data'];
break;
case 'SIGN':
// 4.28 SIGN Signature frame (ID3v2.4+ only)
// Group symbol $xx
// Signature <binary data>
if (!$this->IsWithinBitRange($source_data_array['groupsymbol'], 8, false)) {
$this->errors[] = 'Invalid Group Symbol in '.$frame_name.' ('.$source_data_array['groupsymbol'].') (range = 0 to 255)';
} else {
$framedata .= ord($source_data_array['groupsymbol']);
$framedata .= $source_data_array['data'];
}
break;
case 'SEEK':
// 4.29 SEEK Seek frame (ID3v2.4+ only)
// Minimum offset to next tag $xx xx xx xx
if (!$this->IsWithinBitRange($source_data_array['data'], 32, false)) {
$this->errors[] = 'Invalid Minimum Offset in '.$frame_name.' ('.$source_data_array['data'].') (range = 0 to 4294967295)';
} else {
$framedata .= getid3_lib::BigEndian2String($source_data_array['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) $xx (xx)
if (!$this->IsWithinBitRange($source_data_array['datastart'], 32, false)) {
$this->errors[] = 'Invalid Indexed Data Start in '.$frame_name.' ('.$source_data_array['datastart'].') (range = 0 to 4294967295)';
} elseif (!$this->IsWithinBitRange($source_data_array['datalength'], 32, false)) {
$this->errors[] = 'Invalid Indexed Data Length in '.$frame_name.' ('.$source_data_array['datalength'].') (range = 0 to 4294967295)';
} elseif (!$this->IsWithinBitRange($source_data_array['indexpoints'], 16, false)) {
$this->errors[] = 'Invalid Number Of Index Points in '.$frame_name.' ('.$source_data_array['indexpoints'].') (range = 0 to 65535)';
} elseif (!$this->IsWithinBitRange($source_data_array['bitsperpoint'], 8, false)) {
$this->errors[] = 'Invalid Bits Per Index Point in '.$frame_name.' ('.$source_data_array['bitsperpoint'].') (range = 0 to 255)';
} elseif ($source_data_array['indexpoints'] != count($source_data_array['indexes'])) {
$this->errors[] = 'Number Of Index Points does not match actual supplied data in '.$frame_name;
} else {
$framedata .= getid3_lib::BigEndian2String($source_data_array['datastart'], 4, false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['datalength'], 4, false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['indexpoints'], 2, false);
$framedata .= getid3_lib::BigEndian2String($source_data_array['bitsperpoint'], 1, false);
foreach ($source_data_array['indexes'] as $key => $val) {
$framedata .= getid3_lib::BigEndian2String($val, ceil($source_data_array['bitsperpoint'] / 8), false);
}
}
break;
case 'RGAD':
// RGAD Replay Gain Adjustment
// http://privatewww.essex.ac.uk/~djmrob/replaygain/
// Peak Amplitude $xx $xx $xx $xx
// Radio Replay Gain Adjustment %aaabbbcd %dddddddd
// Audiophile Replay Gain Adjustment %aaabbbcd %dddddddd
// a - name code
// b - originator code
// c - sign bit
// d - replay gain adjustment
if (($source_data_array['track_adjustment'] > 51) || ($source_data_array['track_adjustment'] < -51)) {
$this->errors[] = 'Invalid Track Adjustment in '.$frame_name.' ('.$source_data_array['track_adjustment'].') (range = -51.0 to +51.0)';
} elseif (($source_data_array['album_adjustment'] > 51) || ($source_data_array['album_adjustment'] < -51)) {
$this->errors[] = 'Invalid Album Adjustment in '.$frame_name.' ('.$source_data_array['album_adjustment'].') (range = -51.0 to +51.0)';
} elseif (!$this->ID3v2IsValidRGADname($source_data_array['raw']['track_name'])) {
$this->errors[] = 'Invalid Track Name Code in '.$frame_name.' ('.$source_data_array['raw']['track_name'].') (range = 0 to 2)';
} elseif (!$this->ID3v2IsValidRGADname($source_data_array['raw']['album_name'])) {
$this->errors[] = 'Invalid Album Name Code in '.$frame_name.' ('.$source_data_array['raw']['album_name'].') (range = 0 to 2)';
} elseif (!$this->ID3v2IsValidRGADoriginator($source_data_array['raw']['track_originator'])) {
$this->errors[] = 'Invalid Track Originator Code in '.$frame_name.' ('.$source_data_array['raw']['track_originator'].') (range = 0 to 3)';
} elseif (!$this->ID3v2IsValidRGADoriginator($source_data_array['raw']['album_originator'])) {
$this->errors[] = 'Invalid Album Originator Code in '.$frame_name.' ('.$source_data_array['raw']['album_originator'].') (range = 0 to 3)';
} else {
$framedata .= getid3_lib::Float2String($source_data_array['peakamplitude'], 32);
$framedata .= getid3_lib::RGADgainString($source_data_array['raw']['track_name'], $source_data_array['raw']['track_originator'], $source_data_array['track_adjustment']);
$framedata .= getid3_lib::RGADgainString($source_data_array['raw']['album_name'], $source_data_array['raw']['album_originator'], $source_data_array['album_adjustment']);
}
break;
default:
if ((($this->majorversion == 2) && (strlen($frame_name) != 3)) || (($this->majorversion > 2) && (strlen($frame_name) != 4))) {
$this->errors[] = 'Invalid frame name "'.$frame_name.'" for ID3v2.'.$this->majorversion;
} elseif ($frame_name{0} == 'T') {
// 4.2. T??? Text information frames
// Text encoding $xx
// Information <text string(s) according to encoding>
$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'])) {
$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].') for ID3v2.'.$this->majorversion;
} else {
$framedata .= chr($source_data_array['encodingid']);
$framedata .= $source_data_array['data'];
}
} elseif ($frame_name{0} == 'W') {
// 4.3. W??? URL link frames
// URL <text string>
if (!$this->IsValidURL($source_data_array['data'], false, false)) {
//$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
// probably should be an error, need to rewrite IsValidURL() to handle other encodings
$this->warnings[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
} else {
$framedata .= $source_data_array['data'];
}
} else {
$this->errors[] = $frame_name.' not yet supported in $this->GenerateID3v2FrameData()';
}
break;
}
}
if (!empty($this->errors)) {
return false;
}
return $framedata;
}
function ID3v2FrameIsAllowed($frame_name, $source_data_array) {
static $PreviousFrames = array();
if ($frame_name === null) {
// if the writing functions are called multiple times, the static array needs to be
// cleared - this can be done by calling $this->ID3v2FrameIsAllowed(null, '')
$PreviousFrames = array();
return true;
}
if ($this->majorversion == 4) {
switch ($frame_name) {
case 'UFID':
case 'AENC':
case 'ENCR':
case 'GRID':
if (!isset($source_data_array['ownerid'])) {
$this->errors[] = '[ownerid] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['ownerid'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same OwnerID ('.$source_data_array['ownerid'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['ownerid'];
}
break;
case 'TXXX':
case 'WXXX':
case 'RVA2':
case 'EQU2':
case 'APIC':
case 'GEOB':
if (!isset($source_data_array['description'])) {
$this->errors[] = '[description] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['description'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same Description ('.$source_data_array['description'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['description'];
}
break;
case 'USER':
if (!isset($source_data_array['language'])) {
$this->errors[] = '[language] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['language'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same Language ('.$source_data_array['language'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['language'];
}
break;
case 'USLT':
case 'SYLT':
case 'COMM':
if (!isset($source_data_array['language'])) {
$this->errors[] = '[language] not specified for '.$frame_name;
} elseif (!isset($source_data_array['description'])) {
$this->errors[] = '[description] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['language'].$source_data_array['description'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same Language + Description ('.$source_data_array['language'].' + '.$source_data_array['description'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['language'].$source_data_array['description'];
}
break;
case 'POPM':
if (!isset($source_data_array['email'])) {
$this->errors[] = '[email] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['email'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same Email ('.$source_data_array['email'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['email'];
}
break;
case 'IPLS':
case 'MCDI':
case 'ETCO':
case 'MLLT':
case 'SYTC':
case 'RVRB':
case 'PCNT':
case 'RBUF':
case 'POSS':
case 'OWNE':
case 'SEEK':
case 'ASPI':
case 'RGAD':
if (in_array($frame_name, $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed';
} else {
$PreviousFrames[] = $frame_name;
}
break;
case 'LINK':
// this isn't implemented quite right (yet) - it should check the target frame data for compliance
// but right now it just allows one linked frame of each type, to be safe.
if (!isset($source_data_array['frameid'])) {
$this->errors[] = '[frameid] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['frameid'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same FrameID ('.$source_data_array['frameid'].')';
} elseif (in_array($source_data_array['frameid'], $PreviousFrames)) {
// no links to singleton tags
$this->errors[] = 'Cannot specify a '.$frame_name.' tag to a singleton tag that already exists ('.$source_data_array['frameid'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['frameid']; // only one linked tag of this type
$PreviousFrames[] = $source_data_array['frameid']; // no non-linked singleton tags of this type
}
break;
case 'COMR':
// There may be more than one 'commercial frame' in a tag, but no two may be identical
// Checking isn't implemented at all (yet) - just assumes that it's OK.
break;
case 'PRIV':
case 'SIGN':
if (!isset($source_data_array['ownerid'])) {
$this->errors[] = '[ownerid] not specified for '.$frame_name;
} elseif (!isset($source_data_array['data'])) {
$this->errors[] = '[data] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['ownerid'].$source_data_array['data'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same OwnerID + Data ('.$source_data_array['ownerid'].' + '.$source_data_array['data'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['ownerid'].$source_data_array['data'];
}
break;
default:
if (($frame_name{0} != 'T') && ($frame_name{0} != 'W')) {
$this->errors[] = 'Frame not allowed in ID3v2.'.$this->majorversion.': '.$frame_name;
}
break;
}
} elseif ($this->majorversion == 3) {
switch ($frame_name) {
case 'UFID':
case 'AENC':
case 'ENCR':
case 'GRID':
if (!isset($source_data_array['ownerid'])) {
$this->errors[] = '[ownerid] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['ownerid'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same OwnerID ('.$source_data_array['ownerid'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['ownerid'];
}
break;
case 'TXXX':
case 'WXXX':
case 'APIC':
case 'GEOB':
if (!isset($source_data_array['description'])) {
$this->errors[] = '[description] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['description'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same Description ('.$source_data_array['description'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['description'];
}
break;
case 'USER':
if (!isset($source_data_array['language'])) {
$this->errors[] = '[language] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['language'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same Language ('.$source_data_array['language'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['language'];
}
break;
case 'USLT':
case 'SYLT':
case 'COMM':
if (!isset($source_data_array['language'])) {
$this->errors[] = '[language] not specified for '.$frame_name;
} elseif (!isset($source_data_array['description'])) {
$this->errors[] = '[description] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['language'].$source_data_array['description'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same Language + Description ('.$source_data_array['language'].' + '.$source_data_array['description'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['language'].$source_data_array['description'];
}
break;
case 'POPM':
if (!isset($source_data_array['email'])) {
$this->errors[] = '[email] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['email'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same Email ('.$source_data_array['email'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['email'];
}
break;
case 'IPLS':
case 'MCDI':
case 'ETCO':
case 'MLLT':
case 'SYTC':
case 'RVAD':
case 'EQUA':
case 'RVRB':
case 'PCNT':
case 'RBUF':
case 'POSS':
case 'OWNE':
case 'RGAD':
if (in_array($frame_name, $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed';
} else {
$PreviousFrames[] = $frame_name;
}
break;
case 'LINK':
// this isn't implemented quite right (yet) - it should check the target frame data for compliance
// but right now it just allows one linked frame of each type, to be safe.
if (!isset($source_data_array['frameid'])) {
$this->errors[] = '[frameid] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['frameid'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same FrameID ('.$source_data_array['frameid'].')';
} elseif (in_array($source_data_array['frameid'], $PreviousFrames)) {
// no links to singleton tags
$this->errors[] = 'Cannot specify a '.$frame_name.' tag to a singleton tag that already exists ('.$source_data_array['frameid'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['frameid']; // only one linked tag of this type
$PreviousFrames[] = $source_data_array['frameid']; // no non-linked singleton tags of this type
}
break;
case 'COMR':
// There may be more than one 'commercial frame' in a tag, but no two may be identical
// Checking isn't implemented at all (yet) - just assumes that it's OK.
break;
case 'PRIV':
if (!isset($source_data_array['ownerid'])) {
$this->errors[] = '[ownerid] not specified for '.$frame_name;
} elseif (!isset($source_data_array['data'])) {
$this->errors[] = '[data] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['ownerid'].$source_data_array['data'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same OwnerID + Data ('.$source_data_array['ownerid'].' + '.$source_data_array['data'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['ownerid'].$source_data_array['data'];
}
break;
default:
if (($frame_name{0} != 'T') && ($frame_name{0} != 'W')) {
$this->errors[] = 'Frame not allowed in ID3v2.'.$this->majorversion.': '.$frame_name;
}
break;
}
} elseif ($this->majorversion == 2) {
switch ($frame_name) {
case 'UFI':
case 'CRM':
case 'CRA':
if (!isset($source_data_array['ownerid'])) {
$this->errors[] = '[ownerid] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['ownerid'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same OwnerID ('.$source_data_array['ownerid'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['ownerid'];
}
break;
case 'TXX':
case 'WXX':
case 'PIC':
case 'GEO':
if (!isset($source_data_array['description'])) {
$this->errors[] = '[description] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['description'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same Description ('.$source_data_array['description'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['description'];
}
break;
case 'ULT':
case 'SLT':
case 'COM':
if (!isset($source_data_array['language'])) {
$this->errors[] = '[language] not specified for '.$frame_name;
} elseif (!isset($source_data_array['description'])) {
$this->errors[] = '[description] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['language'].$source_data_array['description'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same Language + Description ('.$source_data_array['language'].' + '.$source_data_array['description'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['language'].$source_data_array['description'];
}
break;
case 'POP':
if (!isset($source_data_array['email'])) {
$this->errors[] = '[email] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['email'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same Email ('.$source_data_array['email'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['email'];
}
break;
case 'IPL':
case 'MCI':
case 'ETC':
case 'MLL':
case 'STC':
case 'RVA':
case 'EQU':
case 'REV':
case 'CNT':
case 'BUF':
if (in_array($frame_name, $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed';
} else {
$PreviousFrames[] = $frame_name;
}
break;
case 'LNK':
// this isn't implemented quite right (yet) - it should check the target frame data for compliance
// but right now it just allows one linked frame of each type, to be safe.
if (!isset($source_data_array['frameid'])) {
$this->errors[] = '[frameid] not specified for '.$frame_name;
} elseif (in_array($frame_name.$source_data_array['frameid'], $PreviousFrames)) {
$this->errors[] = 'Only one '.$frame_name.' tag allowed with the same FrameID ('.$source_data_array['frameid'].')';
} elseif (in_array($source_data_array['frameid'], $PreviousFrames)) {
// no links to singleton tags
$this->errors[] = 'Cannot specify a '.$frame_name.' tag to a singleton tag that already exists ('.$source_data_array['frameid'].')';
} else {
$PreviousFrames[] = $frame_name.$source_data_array['frameid']; // only one linked tag of this type
$PreviousFrames[] = $source_data_array['frameid']; // no non-linked singleton tags of this type
}
break;
default:
if (($frame_name{0} != 'T') && ($frame_name{0} != 'W')) {
$this->errors[] = 'Frame not allowed in ID3v2.'.$this->majorversion.': '.$frame_name;
}
break;
}
}
if (!empty($this->errors)) {
return false;
}
return true;
}
function GenerateID3v2Tag($noerrorsonly=true) {
$this->ID3v2FrameIsAllowed(null, ''); // clear static array in case this isn't the first call to $this->GenerateID3v2Tag()
$tagstring = '';
if (is_array($this->tag_data)) {
foreach ($this->tag_data as $frame_name => $frame_rawinputdata) {
foreach ($frame_rawinputdata as $irrelevantindex => $source_data_array) {
if (getid3_id3v2::IsValidID3v2FrameName($frame_name, $this->majorversion)) {
unset($frame_length);
unset($frame_flags);
$frame_data = false;
if ($this->ID3v2FrameIsAllowed($frame_name, $source_data_array)) {
if ($frame_data = $this->GenerateID3v2FrameData($frame_name, $source_data_array)) {
$FrameUnsynchronisation = false;
if ($this->majorversion >= 4) {
// frame-level unsynchronisation
$unsynchdata = $frame_data;
if ($this->id3v2_use_unsynchronisation) {
$unsynchdata = $this->Unsynchronise($frame_data);
}
if (strlen($unsynchdata) != strlen($frame_data)) {
// unsynchronisation needed
$FrameUnsynchronisation = true;
$frame_data = $unsynchdata;
if (isset($TagUnsynchronisation) && $TagUnsynchronisation === false) {
// only set to true if ALL frames are unsynchronised
} else {
$TagUnsynchronisation = true;
}
} else {
if (isset($TagUnsynchronisation)) {
$TagUnsynchronisation = false;
}
}
unset($unsynchdata);
$frame_length = getid3_lib::BigEndian2String(strlen($frame_data), 4, true);
} else {
$frame_length = getid3_lib::BigEndian2String(strlen($frame_data), 4, false);
}
$frame_flags = $this->GenerateID3v2FrameFlags($this->ID3v2FrameFlagsLookupTagAlter($frame_name), $this->ID3v2FrameFlagsLookupFileAlter($frame_name), false, false, false, false, $FrameUnsynchronisation, false);
}
} else {
$this->errors[] = 'Frame "'.$frame_name.'" is NOT allowed';
}
if ($frame_data === false) {
$this->errors[] = '$this->GenerateID3v2FrameData() failed for "'.$frame_name.'"';
if ($noerrorsonly) {
return false;
} else {
unset($frame_name);
}
}
} else {
// ignore any invalid frame names, including 'title', 'header', etc
$this->warnings[] = 'Ignoring invalid ID3v2 frame type: "'.$frame_name.'"';
unset($frame_name);
unset($frame_length);
unset($frame_flags);
unset($frame_data);
}
if (isset($frame_name) && isset($frame_length) && isset($frame_flags) && isset($frame_data)) {
$tagstring .= $frame_name.$frame_length.$frame_flags.$frame_data;
}
}
}
if (!isset($TagUnsynchronisation)) {
$TagUnsynchronisation = false;
}
if (($this->majorversion <= 3) && $this->id3v2_use_unsynchronisation) {
// tag-level unsynchronisation
$unsynchdata = $this->Unsynchronise($tagstring);
if (strlen($unsynchdata) != strlen($tagstring)) {
// unsynchronisation needed
$TagUnsynchronisation = true;
$tagstring = $unsynchdata;
}
}
while ($this->paddedlength < (strlen($tagstring) + getid3_id3v2::ID3v2HeaderLength($this->majorversion))) {
$this->paddedlength += 1024;
}
$footer = false; // ID3v2 footers not yet supported in getID3()
if (!$footer && ($this->paddedlength > (strlen($tagstring) + getid3_id3v2::ID3v2HeaderLength($this->majorversion)))) {
// pad up to $paddedlength bytes if unpadded tag is shorter than $paddedlength
// "Furthermore it MUST NOT have any padding when a tag footer is added to the tag."
if (($this->paddedlength - strlen($tagstring) - getid3_id3v2::ID3v2HeaderLength($this->majorversion)) > 0) {
$tagstring .= str_repeat("\x00", $this->paddedlength - strlen($tagstring) - getid3_id3v2::ID3v2HeaderLength($this->majorversion));
}
}
if ($this->id3v2_use_unsynchronisation && (substr($tagstring, strlen($tagstring) - 1, 1) == "\xFF")) {
// special unsynchronisation case:
// if last byte == $FF then appended a $00
$TagUnsynchronisation = true;
$tagstring .= "\x00";
}
$tagheader = 'ID3';
$tagheader .= chr($this->majorversion);
$tagheader .= chr($this->minorversion);
$tagheader .= $this->GenerateID3v2TagFlags(array('unsynchronisation'=>$TagUnsynchronisation));
$tagheader .= getid3_lib::BigEndian2String(strlen($tagstring), 4, true);
return $tagheader.$tagstring;
}
$this->errors[] = 'tag_data is not an array in GenerateID3v2Tag()';
return false;
}
function ID3v2IsValidPriceString($pricestring) {
if (getid3_id3v2::LanguageLookup(substr($pricestring, 0, 3), true) == '') {
return false;
} elseif (!$this->IsANumber(substr($pricestring, 3), true)) {
return false;
}
return true;
}
function ID3v2FrameFlagsLookupTagAlter($framename) {
// unfinished
switch ($framename) {
case 'RGAD':
$allow = true;
default:
$allow = false;
break;
}
return $allow;
}
function ID3v2FrameFlagsLookupFileAlter($framename) {
// unfinished
switch ($framename) {
case 'RGAD':
return false;
break;
default:
return false;
break;
}
}
function ID3v2IsValidETCOevent($eventid) {
if (($eventid < 0) || ($eventid > 0xFF)) {
// outside range of 1 byte
return false;
} elseif (($eventid >= 0xF0) && ($eventid <= 0xFC)) {
// reserved for future use
return false;
} elseif (($eventid >= 0x17) && ($eventid <= 0xDF)) {
// reserved for future use
return false;
} elseif (($eventid >= 0x0E) && ($eventid <= 0x16) && ($this->majorversion == 2)) {
// not defined in ID3v2.2
return false;
} elseif (($eventid >= 0x15) && ($eventid <= 0x16) && ($this->majorversion == 3)) {
// not defined in ID3v2.3
return false;
}
return true;
}
function ID3v2IsValidSYLTtype($contenttype) {
if (($contenttype >= 0) && ($contenttype <= 8) && ($this->majorversion == 4)) {
return true;
} elseif (($contenttype >= 0) && ($contenttype <= 6) && ($this->majorversion == 3)) {
return true;
}
return false;
}
function ID3v2IsValidRVA2channeltype($channeltype) {
if (($channeltype >= 0) && ($channeltype <= 8) && ($this->majorversion == 4)) {
return true;
}
return false;
}
function ID3v2IsValidAPICpicturetype($picturetype) {
if (($picturetype >= 0) && ($picturetype <= 0x14) && ($this->majorversion >= 2) && ($this->majorversion <= 4)) {
return true;
}
return false;
}
function ID3v2IsValidAPICimageformat($imageformat) {
if ($imageformat == '-->') {
return true;
} elseif ($this->majorversion == 2) {
if ((strlen($imageformat) == 3) && ($imageformat == strtoupper($imageformat))) {
return true;
}
} elseif (($this->majorversion == 3) || ($this->majorversion == 4)) {
if ($this->IsValidMIMEstring($imageformat)) {
return true;
}
}
return false;
}
function ID3v2IsValidCOMRreceivedAs($receivedas) {
if (($this->majorversion >= 3) && ($receivedas >= 0) && ($receivedas <= 8)) {
return true;
}
return false;
}
function ID3v2IsValidRGADname($RGADname) {
if (($RGADname >= 0) && ($RGADname <= 2)) {
return true;
}
return false;
}
function ID3v2IsValidRGADoriginator($RGADoriginator) {
if (($RGADoriginator >= 0) && ($RGADoriginator <= 3)) {
return true;
}
return false;
}
function ID3v2IsValidTextEncoding($textencodingbyte) {
static $ID3v2IsValidTextEncoding_cache = array(
2 => array(true, true),
3 => array(true, true),
4 => array(true, true, true, true));
return isset($ID3v2IsValidTextEncoding_cache[$this->majorversion][$textencodingbyte]);
}
function Unsynchronise($data) {
// Whenever a false synchronisation is found within the tag, one zeroed
// byte is inserted after the first false synchronisation byte. The
// format of a correct sync that should be altered by ID3 encoders is as
// follows:
// %11111111 111xxxxx
// And should be replaced with:
// %11111111 00000000 111xxxxx
// This has the side effect that all $FF 00 combinations have to be
// altered, so they won't be affected by the decoding process. Therefore
// all the $FF 00 combinations have to be replaced with the $FF 00 00
// combination during the unsynchronisation.
$data = str_replace("\xFF\x00", "\xFF\x00\x00", $data);
$unsyncheddata = '';
$datalength = strlen($data);
for ($i = 0; $i < $datalength; $i++) {
$thischar = $data{$i};
$unsyncheddata .= $thischar;
if ($thischar == "\xFF") {
$nextchar = ord($data{$i + 1});
if (($nextchar & 0xE0) == 0xE0) {
// previous byte = 11111111, this byte = 111?????
$unsyncheddata .= "\x00";
}
}
}
return $unsyncheddata;
}
function is_hash($var) {
// written by dev-null<6C>christophe*vg
// taken from http://www.php.net/manual/en/function.array-merge-recursive.php
if (is_array($var)) {
$keys = array_keys($var);
$all_num = true;
for ($i = 0; $i < count($keys); $i++) {
if (is_string($keys[$i])) {
return true;
}
}
}
return false;
}
function array_join_merge($arr1, $arr2) {
// written by dev-null<6C>christophe*vg
// taken from http://www.php.net/manual/en/function.array-merge-recursive.php
if (is_array($arr1) && is_array($arr2)) {
// the same -> merge
$new_array = array();
if ($this->is_hash($arr1) && $this->is_hash($arr2)) {
// hashes -> merge based on keys
$keys = array_merge(array_keys($arr1), array_keys($arr2));
foreach ($keys as $key) {
$new_array[$key] = $this->array_join_merge((isset($arr1[$key]) ? $arr1[$key] : ''), (isset($arr2[$key]) ? $arr2[$key] : ''));
}
} else {
// two real arrays -> merge
$new_array = array_reverse(array_unique(array_reverse(array_merge($arr1, $arr2))));
}
return $new_array;
} else {
// not the same ... take new one if defined, else the old one stays
return $arr2 ? $arr2 : $arr1;
}
}
function IsValidMIMEstring($mimestring) {
if ((strlen($mimestring) >= 3) && (strpos($mimestring, '/') > 0) && (strpos($mimestring, '/') < (strlen($mimestring) - 1))) {
return true;
}
return false;
}
function IsWithinBitRange($number, $maxbits, $signed=false) {
if ($signed) {
if (($number > (0 - pow(2, $maxbits - 1))) && ($number <= pow(2, $maxbits - 1))) {
return true;
}
} else {
if (($number >= 0) && ($number <= pow(2, $maxbits))) {
return true;
}
}
return false;
}
function safe_parse_url($url) {
$parts = @parse_url($url);
$parts['scheme'] = (isset($parts['scheme']) ? $parts['scheme'] : '');
$parts['host'] = (isset($parts['host']) ? $parts['host'] : '');
$parts['user'] = (isset($parts['user']) ? $parts['user'] : '');
$parts['pass'] = (isset($parts['pass']) ? $parts['pass'] : '');
$parts['path'] = (isset($parts['path']) ? $parts['path'] : '');
$parts['query'] = (isset($parts['query']) ? $parts['query'] : '');
return $parts;
}
function IsValidURL($url, $allowUserPass=false) {
if ($url == '') {
return false;
}
if ($allowUserPass !== true) {
if (strstr($url, '@')) {
// in the format http://user:pass@example.com or http://user@example.com
// but could easily be somebody incorrectly entering an email address in place of a URL
return false;
}
}
if ($parts = $this->safe_parse_url($url)) {
if (($parts['scheme'] != 'http') && ($parts['scheme'] != 'https') && ($parts['scheme'] != 'ftp') && ($parts['scheme'] != 'gopher')) {
return false;
} elseif (!preg_match('#^[[:alnum:]]([-.]?[0-9a-z])*\\.[a-z]{2,3}$#i', $parts['host'], $regs) && !preg_match('#^[0-9]{1,3}(\\.[0-9]{1,3}){3}$#', $parts['host'])) {
return false;
} elseif (!preg_match('#^([[:alnum:]-]|[\\_])*$#i', $parts['user'], $regs)) {
return false;
} elseif (!preg_match('#^([[:alnum:]-]|[\\_])*$#i', $parts['pass'], $regs)) {
return false;
} elseif (!preg_match('#^[[:alnum:]/_\\.@~-]*$#i', $parts['path'], $regs)) {
return false;
} elseif (!empty($parts['query']) && !preg_match('#^[[:alnum:]?&=+:;_()%\\#/,\\.-]*$#i', $parts['query'], $regs)) {
return false;
} else {
return true;
}
}
return false;
}
static function ID3v2ShortFrameNameLookup($majorversion, $long_description) {
$long_description = str_replace(' ', '_', strtolower(trim($long_description)));
static $ID3v2ShortFrameNameLookup = array();
if (empty($ID3v2ShortFrameNameLookup)) {
// The following are unique to ID3v2.2
$ID3v2ShortFrameNameLookup[2]['comment'] = 'COM';
$ID3v2ShortFrameNameLookup[2]['album'] = 'TAL';
$ID3v2ShortFrameNameLookup[2]['beats_per_minute'] = 'TBP';
$ID3v2ShortFrameNameLookup[2]['composer'] = 'TCM';
$ID3v2ShortFrameNameLookup[2]['genre'] = 'TCO';
$ID3v2ShortFrameNameLookup[2]['itunescompilation'] = 'TCP';
$ID3v2ShortFrameNameLookup[2]['copyright'] = 'TCR';
$ID3v2ShortFrameNameLookup[2]['encoded_by'] = 'TEN';
$ID3v2ShortFrameNameLookup[2]['language'] = 'TLA';
$ID3v2ShortFrameNameLookup[2]['length'] = 'TLE';
$ID3v2ShortFrameNameLookup[2]['original_artist'] = 'TOA';
$ID3v2ShortFrameNameLookup[2]['original_filename'] = 'TOF';
$ID3v2ShortFrameNameLookup[2]['original_lyricist'] = 'TOL';
$ID3v2ShortFrameNameLookup[2]['original_album_title'] = 'TOT';
$ID3v2ShortFrameNameLookup[2]['artist'] = 'TP1';
$ID3v2ShortFrameNameLookup[2]['band'] = 'TP2';
$ID3v2ShortFrameNameLookup[2]['conductor'] = 'TP3';
$ID3v2ShortFrameNameLookup[2]['remixer'] = 'TP4';
$ID3v2ShortFrameNameLookup[2]['publisher'] = 'TPB';
$ID3v2ShortFrameNameLookup[2]['isrc'] = 'TRC';
$ID3v2ShortFrameNameLookup[2]['tracknumber'] = 'TRK';
$ID3v2ShortFrameNameLookup[2]['size'] = 'TSI';
$ID3v2ShortFrameNameLookup[2]['encoder_settings'] = 'TSS';
$ID3v2ShortFrameNameLookup[2]['description'] = 'TT1';
$ID3v2ShortFrameNameLookup[2]['title'] = 'TT2';
$ID3v2ShortFrameNameLookup[2]['subtitle'] = 'TT3';
$ID3v2ShortFrameNameLookup[2]['lyricist'] = 'TXT';
$ID3v2ShortFrameNameLookup[2]['user_text'] = 'TXX';
$ID3v2ShortFrameNameLookup[2]['year'] = 'TYE';
$ID3v2ShortFrameNameLookup[2]['unique_file_identifier'] = 'UFI';
$ID3v2ShortFrameNameLookup[2]['unsynchronised_lyrics'] = 'ULT';
$ID3v2ShortFrameNameLookup[2]['url_file'] = 'WAF';
$ID3v2ShortFrameNameLookup[2]['url_artist'] = 'WAR';
$ID3v2ShortFrameNameLookup[2]['url_source'] = 'WAS';
$ID3v2ShortFrameNameLookup[2]['copyright_information'] = 'WCP';
$ID3v2ShortFrameNameLookup[2]['url_publisher'] = 'WPB';
$ID3v2ShortFrameNameLookup[2]['url_user'] = 'WXX';
// The following are common to ID3v2.3 and ID3v2.4
$ID3v2ShortFrameNameLookup[3]['audio_encryption'] = 'AENC';
$ID3v2ShortFrameNameLookup[3]['attached_picture'] = 'APIC';
$ID3v2ShortFrameNameLookup[3]['comment'] = 'COMM';
$ID3v2ShortFrameNameLookup[3]['commercial'] = 'COMR';
$ID3v2ShortFrameNameLookup[3]['encryption_method_registration'] = 'ENCR';
$ID3v2ShortFrameNameLookup[3]['event_timing_codes'] = 'ETCO';
$ID3v2ShortFrameNameLookup[3]['general_encapsulated_object'] = 'GEOB';
$ID3v2ShortFrameNameLookup[3]['group_identification_registration'] = 'GRID';
$ID3v2ShortFrameNameLookup[3]['linked_information'] = 'LINK';
$ID3v2ShortFrameNameLookup[3]['music_cd_identifier'] = 'MCDI';
$ID3v2ShortFrameNameLookup[3]['mpeg_location_lookup_table'] = 'MLLT';
$ID3v2ShortFrameNameLookup[3]['ownership'] = 'OWNE';
$ID3v2ShortFrameNameLookup[3]['play_counter'] = 'PCNT';
$ID3v2ShortFrameNameLookup[3]['popularimeter'] = 'POPM';
$ID3v2ShortFrameNameLookup[3]['position_synchronisation'] = 'POSS';
$ID3v2ShortFrameNameLookup[3]['private'] = 'PRIV';
$ID3v2ShortFrameNameLookup[3]['recommended_buffer_size'] = 'RBUF';
$ID3v2ShortFrameNameLookup[3]['reverb'] = 'RVRB';
$ID3v2ShortFrameNameLookup[3]['synchronised_lyrics'] = 'SYLT';
$ID3v2ShortFrameNameLookup[3]['synchronised_tempo_codes'] = 'SYTC';
$ID3v2ShortFrameNameLookup[3]['album'] = 'TALB';
$ID3v2ShortFrameNameLookup[3]['beats_per_minute'] = 'TBPM';
$ID3v2ShortFrameNameLookup[3]['itunescompilation'] = 'TCMP';
$ID3v2ShortFrameNameLookup[3]['composer'] = 'TCOM';
$ID3v2ShortFrameNameLookup[3]['genre'] = 'TCON';
$ID3v2ShortFrameNameLookup[3]['copyright'] = 'TCOP';
$ID3v2ShortFrameNameLookup[3]['playlist_delay'] = 'TDLY';
$ID3v2ShortFrameNameLookup[3]['encoded_by'] = 'TENC';
$ID3v2ShortFrameNameLookup[3]['lyricist'] = 'TEXT';
$ID3v2ShortFrameNameLookup[3]['file_type'] = 'TFLT';
$ID3v2ShortFrameNameLookup[3]['content_group_description'] = 'TIT1';
$ID3v2ShortFrameNameLookup[3]['title'] = 'TIT2';
$ID3v2ShortFrameNameLookup[3]['subtitle'] = 'TIT3';
$ID3v2ShortFrameNameLookup[3]['initial_key'] = 'TKEY';
$ID3v2ShortFrameNameLookup[3]['language'] = 'TLAN';
$ID3v2ShortFrameNameLookup[3]['length'] = 'TLEN';
$ID3v2ShortFrameNameLookup[3]['media_type'] = 'TMED';
$ID3v2ShortFrameNameLookup[3]['original_album_title'] = 'TOAL';
$ID3v2ShortFrameNameLookup[3]['original_filename'] = 'TOFN';
$ID3v2ShortFrameNameLookup[3]['original_lyricist'] = 'TOLY';
$ID3v2ShortFrameNameLookup[3]['original_artist'] = 'TOPE';
$ID3v2ShortFrameNameLookup[3]['file_owner'] = 'TOWN';
$ID3v2ShortFrameNameLookup[3]['artist'] = 'TPE1';
$ID3v2ShortFrameNameLookup[3]['band'] = 'TPE2';
$ID3v2ShortFrameNameLookup[3]['conductor'] = 'TPE3';
$ID3v2ShortFrameNameLookup[3]['remixer'] = 'TPE4';
$ID3v2ShortFrameNameLookup[3]['part_of_a_set'] = 'TPOS';
$ID3v2ShortFrameNameLookup[3]['publisher'] = 'TPUB';
$ID3v2ShortFrameNameLookup[3]['tracknumber'] = 'TRCK';
$ID3v2ShortFrameNameLookup[3]['internet_radio_station_name'] = 'TRSN';
$ID3v2ShortFrameNameLookup[3]['internet_radio_station_owner'] = 'TRSO';
$ID3v2ShortFrameNameLookup[3]['isrc'] = 'TSRC';
$ID3v2ShortFrameNameLookup[3]['encoder_settings'] = 'TSSE';
$ID3v2ShortFrameNameLookup[3]['user_text'] = 'TXXX';
$ID3v2ShortFrameNameLookup[3]['unique_file_identifier'] = 'UFID';
$ID3v2ShortFrameNameLookup[3]['terms_of_use'] = 'USER';
$ID3v2ShortFrameNameLookup[3]['unsynchronised_lyrics'] = 'USLT';
$ID3v2ShortFrameNameLookup[3]['commercial'] = 'WCOM';
$ID3v2ShortFrameNameLookup[3]['copyright_information'] = 'WCOP';
$ID3v2ShortFrameNameLookup[3]['url_file'] = 'WOAF';
$ID3v2ShortFrameNameLookup[3]['url_artist'] = 'WOAR';
$ID3v2ShortFrameNameLookup[3]['url_source'] = 'WOAS';
$ID3v2ShortFrameNameLookup[3]['url_station'] = 'WORS';
$ID3v2ShortFrameNameLookup[3]['payment'] = 'WPAY';
$ID3v2ShortFrameNameLookup[3]['url_publisher'] = 'WPUB';
$ID3v2ShortFrameNameLookup[3]['url_user'] = 'WXXX';
// The above are common to ID3v2.3 and ID3v2.4
// so copy them to ID3v2.4 before adding specifics for 2.3 and 2.4
$ID3v2ShortFrameNameLookup[4] = $ID3v2ShortFrameNameLookup[3];
// The following are unique to ID3v2.3
$ID3v2ShortFrameNameLookup[3]['equalisation'] = 'EQUA';
$ID3v2ShortFrameNameLookup[3]['involved_people_list'] = 'IPLS';
$ID3v2ShortFrameNameLookup[3]['relative_volume_adjustment'] = 'RVAD';
$ID3v2ShortFrameNameLookup[3]['date'] = 'TDAT';
$ID3v2ShortFrameNameLookup[3]['time'] = 'TIME';
$ID3v2ShortFrameNameLookup[3]['original_release_year'] = 'TORY';
$ID3v2ShortFrameNameLookup[3]['recording_dates'] = 'TRDA';
$ID3v2ShortFrameNameLookup[3]['size'] = 'TSIZ';
$ID3v2ShortFrameNameLookup[3]['year'] = 'TYER';
// The following are unique to ID3v2.4
$ID3v2ShortFrameNameLookup[4]['audio_seek_point_index'] = 'ASPI';
$ID3v2ShortFrameNameLookup[4]['equalisation'] = 'EQU2';
$ID3v2ShortFrameNameLookup[4]['relative_volume_adjustment'] = 'RVA2';
$ID3v2ShortFrameNameLookup[4]['seek'] = 'SEEK';
$ID3v2ShortFrameNameLookup[4]['signature'] = 'SIGN';
$ID3v2ShortFrameNameLookup[4]['encoding_time'] = 'TDEN';
$ID3v2ShortFrameNameLookup[4]['original_release_time'] = 'TDOR';
$ID3v2ShortFrameNameLookup[4]['recording_time'] = 'TDRC';
$ID3v2ShortFrameNameLookup[4]['release_time'] = 'TDRL';
$ID3v2ShortFrameNameLookup[4]['tagging_time'] = 'TDTG';
$ID3v2ShortFrameNameLookup[4]['involved_people_list'] = 'TIPL';
$ID3v2ShortFrameNameLookup[4]['musician_credits_list'] = 'TMCL';
$ID3v2ShortFrameNameLookup[4]['mood'] = 'TMOO';
$ID3v2ShortFrameNameLookup[4]['produced_notice'] = 'TPRO';
$ID3v2ShortFrameNameLookup[4]['album_sort_order'] = 'TSOA';
$ID3v2ShortFrameNameLookup[4]['performer_sort_order'] = 'TSOP';
$ID3v2ShortFrameNameLookup[4]['title_sort_order'] = 'TSOT';
$ID3v2ShortFrameNameLookup[4]['set_subtitle'] = 'TSST';
}
return (isset($ID3v2ShortFrameNameLookup[$majorversion][strtolower($long_description)]) ? $ID3v2ShortFrameNameLookup[$majorversion][strtolower($long_description)] : '');
}
}
?>
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