/**
* @param type $frame_name
* @param type $source_data_array
*
* @return bool
*/
public function GenerateID3v2FrameData($frame_name, $source_data_array)
{
if (!Tag\Id3v2::IsValidID3v2FrameName($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("", '', $source_data_array['ownerid']) . "";
$framedata .= substr($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 .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($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 .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($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']);
$framedata .= Helper::BigEndian2String($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) {
$framedata .= Helper::BigEndian2String($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) {
$framedata .= Helper::BigEndian2String($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) {
$framedata .= Helper::BigEndian2String($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') {
$unwrittenbitstream .= str_pad(Helper::Dec2Bin($val['bytedeviation']), $source_data_array['bitsforbytesdeviation'], '0', STR_PAD_LEFT);
$unwrittenbitstream .= str_pad(Helper::Dec2Bin($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']);
$framedata .= Helper::BigEndian2String($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.' . $this->majorversion;
} elseif (Tag\Id3v2::LanguageLookup($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 .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($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.' . $this->majorversion;
} elseif (Tag\Id3v2::LanguageLookup($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 .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
ksort($source_data_array['data']);
foreach ($source_data_array['data'] as $key => $val) {
$framedata .= $val['data'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= Helper::BigEndian2String($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.' . $this->majorversion;
} elseif (Tag\Id3v2::LanguageLookup($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 .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($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("", '', $source_data_array['description']) . "";
foreach ($source_data_array as $key => $val) {
if ($key != 'description') {
$framedata .= chr($val['channeltypeid']);
$framedata .= Helper::BigEndian2String($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) {
$framedata .= Helper::BigEndian2String($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']);
$framedata .= Helper::BigEndian2String($source_data_array['volumechange']['right'], ceil($source_data_array['bitsvolume'] / 8), false);
$framedata .= Helper::BigEndian2String($source_data_array['volumechange']['left'], ceil($source_data_array['bitsvolume'] / 8), false);
$framedata .= Helper::BigEndian2String($source_data_array['peakvolume']['right'], ceil($source_data_array['bitsvolume'] / 8), false);
$framedata .= Helper::BigEndian2String($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']) {
$framedata .= Helper::BigEndian2String($source_data_array['volumechange']['rightrear'], ceil($source_data_array['bitsvolume'] / 8), false);
$framedata .= Helper::BigEndian2String($source_data_array['volumechange']['leftrear'], ceil($source_data_array['bitsvolume'] / 8), false);
$framedata .= Helper::BigEndian2String($source_data_array['peakvolume']['rightrear'], ceil($source_data_array['bitsvolume'] / 8), false);
$framedata .= Helper::BigEndian2String($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']) {
$framedata .= Helper::BigEndian2String($source_data_array['volumechange']['center'], ceil($source_data_array['bitsvolume'] / 8), false);
$framedata .= Helper::BigEndian2String($source_data_array['peakvolume']['center'], ceil($source_data_array['bitsvolume'] / 8), false);
}
if ($source_data_array['volumechange']['bass'] || $source_data_array['peakvolume']['bass']) {
$framedata .= Helper::BigEndian2String($source_data_array['volumechange']['bass'], ceil($source_data_array['bitsvolume'] / 8), false);
$framedata .= Helper::BigEndian2String($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("", '', $source_data_array['description']) . "";
foreach ($source_data_array['data'] as $key => $val) {
$framedata .= Helper::BigEndian2String(intval(round($key * 2)), 2, false);
$framedata .= Helper::BigEndian2String($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;
}
$framedata .= Helper::BigEndian2String($key, 2, false);
$framedata .= Helper::BigEndian2String($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 {
$framedata .= Helper::BigEndian2String($source_data_array['left'], 2, false);
$framedata .= Helper::BigEndian2String($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("", '', $source_data_array['mime']) . "";
$framedata .= chr($source_data_array['picturetypeid']);
$framedata .= (!empty($source_data_array['description']) ? $source_data_array['description'] : '') . Tag\Id3v2::TextEncodingTerminatorLookup($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("", '', $source_data_array['mime']) . "";
$framedata .= $source_data_array['filename'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($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 ...)
$framedata .= Helper::BigEndian2String($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("", '', $source_data_array['email']) . "";
$framedata .= chr($source_data_array['rating']);
$framedata .= Helper::BigEndian2String($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 {
$framedata .= Helper::BigEndian2String($source_data_array['buffersize'], 3, false);
$flag .= '0000000';
$flag .= $source_data_array['flags']['embededinfo'] ? '1' : '0';
$framedata .= chr(bindec($flag));
$framedata .= Helper::BigEndian2String($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("", '', $source_data_array['ownerid']) . "";
$framedata .= Helper::BigEndian2String($source_data_array['previewstart'], 2, false);
$framedata .= Helper::BigEndian2String($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> $00
// ID and additional data <text string(s)>
if (!Tag\Id3v2::IsValidID3v2FrameName($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' && Tag\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' || $source_data_array['frameid'] == 'USLT') && (Tag\Id3v2::LanguageLookup(substr($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("", '', $source_data_array['data']) . "";
switch ($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']);
$framedata .= Helper::BigEndian2String($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 . ' (' . $source_data_array['encodingid'] . ')';
} elseif (Tag\Id3v2::LanguageLookup($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("", '', $source_data_array['pricepaid']['value']) . "";
$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("", '', $source_data_array['contacturl']) . "";
$framedata .= chr($source_data_array['receivedasid']);
$framedata .= $source_data_array['sellername'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= $source_data_array['description'] . Tag\Id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
$framedata .= $source_data_array['mime'] . "";
$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("", '', $source_data_array['ownerid']) . "";
$framedata .= ord($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("", '', $source_data_array['ownerid']) . "";
$framedata .= ord($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("", '', $source_data_array['ownerid']) . "";
$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 {
$framedata .= Helper::BigEndian2String($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 {
$framedata .= Helper::BigEndian2String($source_data_array['datastart'], 4, false);
$framedata .= Helper::BigEndian2String($source_data_array['datalength'], 4, false);
$framedata .= Helper::BigEndian2String($source_data_array['indexpoints'], 2, false);
$framedata .= Helper::BigEndian2String($source_data_array['bitsperpoint'], 1, false);
foreach ($source_data_array['indexes'] as $key => $val) {
$framedata .= Helper::BigEndian2String($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 {
$framedata .= Helper::Float2String($source_data_array['peakamplitude'], 32);
$framedata .= Helper::RGADgainString($source_data_array['raw']['track_name'], $source_data_array['raw']['track_originator'], $source_data_array['track_adjustment']);
$framedata .= Helper::RGADgainString($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;
}