2055 lines
100 KiB
PHP
2055 lines
100 KiB
PHP
<?php
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/////////////////////////////////////////////////////////////////
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/// getID3() by James Heinrich <info@getid3.org> //
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// available at http://getid3.sourceforge.net //
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// or http://www.getid3.org //
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/////////////////////////////////////////////////////////////////
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// See readme.txt for more details //
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/////////////////////////////////////////////////////////////////
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/// //
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// write.id3v2.php //
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// module for writing ID3v2 tags //
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// dependencies: module.tag.id3v2.php //
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// ///
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/////////////////////////////////////////////////////////////////
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getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true);
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class getid3_write_id3v2
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{
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var $filename;
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var $tag_data;
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var $paddedlength = 4096; // minimum length of ID3v2 tag in bytes
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var $majorversion = 3; // ID3v2 major version (2, 3 (recommended), 4)
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var $minorversion = 0; // ID3v2 minor version - always 0
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var $merge_existing_data = false; // if true, merge new data with existing tags; if false, delete old tag data and only write new tags
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var $id3v2_default_encodingid = 0; // default text encoding (ISO-8859-1) if not explicitly passed
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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.
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var $warnings = array(); // any non-critical errors will be stored here
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var $errors = array(); // any critical errors will be stored here
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function getid3_write_id3v2() {
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return true;
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}
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function WriteID3v2() {
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// File MUST be writeable - CHMOD(646) at least. It's best if the
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// directory is also writeable, because that method is both faster and less susceptible to errors.
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if (is_writeable($this->filename) || (!file_exists($this->filename) && is_writeable(dirname($this->filename)))) {
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// Initialize getID3 engine
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$getID3 = new getID3;
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$OldThisFileInfo = $getID3->analyze($this->filename);
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if ($OldThisFileInfo['filesize'] >= pow(2, 31)) {
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$this->errors[] = 'Unable to write ID3v2 because file is larger than 2GB';
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fclose($fp_source);
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return false;
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}
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if ($this->merge_existing_data) {
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// merge with existing data
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if (!empty($OldThisFileInfo['id3v2'])) {
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$this->tag_data = $this->array_join_merge($OldThisFileInfo['id3v2'], $this->tag_data);
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}
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}
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$this->paddedlength = max(@$OldThisFileInfo['id3v2']['headerlength'], $this->paddedlength);
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if ($NewID3v2Tag = $this->GenerateID3v2Tag()) {
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if (file_exists($this->filename) && is_writeable($this->filename) && isset($OldThisFileInfo['id3v2']['headerlength']) && ($OldThisFileInfo['id3v2']['headerlength'] == strlen($NewID3v2Tag))) {
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// best and fastest method - insert-overwrite existing tag (padded to length of old tag if neccesary)
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if (file_exists($this->filename)) {
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ob_start();
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if ($fp = fopen($this->filename, 'r+b')) {
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rewind($fp);
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fwrite($fp, $NewID3v2Tag, strlen($NewID3v2Tag));
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fclose($fp);
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} else {
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$this->errors[] = 'Could not open '.$this->filename.' mode "r+b" - '.strip_tags(ob_get_contents());
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}
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ob_end_clean();
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} else {
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ob_start();
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if ($fp = fopen($this->filename, 'wb')) {
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rewind($fp);
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fwrite($fp, $NewID3v2Tag, strlen($NewID3v2Tag));
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fclose($fp);
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} else {
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$this->errors[] = 'Could not open '.$this->filename.' mode "wb" - '.strip_tags(ob_get_contents());
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}
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ob_end_clean();
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}
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} else {
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if ($tempfilename = tempnam('*', 'getID3')) {
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ob_start();
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if ($fp_source = fopen($this->filename, 'rb')) {
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if ($fp_temp = fopen($tempfilename, 'wb')) {
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fwrite($fp_temp, $NewID3v2Tag, strlen($NewID3v2Tag));
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rewind($fp_source);
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if (!empty($OldThisFileInfo['avdataoffset'])) {
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fseek($fp_source, $OldThisFileInfo['avdataoffset'], SEEK_SET);
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}
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while ($buffer = fread($fp_source, GETID3_FREAD_BUFFER_SIZE)) {
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fwrite($fp_temp, $buffer, strlen($buffer));
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}
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fclose($fp_temp);
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fclose($fp_source);
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copy($tempfilename, $this->filename);
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unlink($tempfilename);
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ob_end_clean();
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return true;
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} else {
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$this->errors[] = 'Could not open '.$tempfilename.' mode "wb" - '.strip_tags(ob_get_contents());
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}
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fclose($fp_source);
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} else {
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$this->errors[] = 'Could not open '.$this->filename.' mode "rb" - '.strip_tags(ob_get_contents());
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}
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ob_end_clean();
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}
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return false;
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}
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} else {
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$this->errors[] = '$this->GenerateID3v2Tag() failed';
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}
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if (!empty($this->errors)) {
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return false;
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}
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return true;
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} else {
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$this->errors[] = '!is_writeable('.$this->filename.')';
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}
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return false;
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}
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function RemoveID3v2() {
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// File MUST be writeable - CHMOD(646) at least. It's best if the
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// directory is also writeable, because that method is both faster and less susceptible to errors.
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if (is_writeable(dirname($this->filename))) {
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// preferred method - only one copying operation, minimal chance of corrupting
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// original file if script is interrupted, but required directory to be writeable
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if ($fp_source = @fopen($this->filename, 'rb')) {
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// Initialize getID3 engine
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$getID3 = new getID3;
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$OldThisFileInfo = $getID3->analyze($this->filename);
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if ($OldThisFileInfo['filesize'] >= pow(2, 31)) {
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$this->errors[] = 'Unable to remove ID3v2 because file is larger than 2GB';
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fclose($fp_source);
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return false;
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}
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rewind($fp_source);
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if ($OldThisFileInfo['avdataoffset'] !== false) {
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fseek($fp_source, $OldThisFileInfo['avdataoffset'], SEEK_SET);
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}
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if ($fp_temp = @fopen($this->filename.'getid3tmp', 'w+b')) {
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while ($buffer = fread($fp_source, GETID3_FREAD_BUFFER_SIZE)) {
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fwrite($fp_temp, $buffer, strlen($buffer));
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}
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fclose($fp_temp);
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} else {
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$this->errors[] = 'Could not open '.$this->filename.'getid3tmp mode "w+b"';
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}
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fclose($fp_source);
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} else {
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$this->errors[] = 'Could not open '.$this->filename.' mode "rb"';
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}
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if (file_exists($this->filename)) {
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unlink($this->filename);
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}
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rename($this->filename.'getid3tmp', $this->filename);
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} elseif (is_writable($this->filename)) {
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// less desirable alternate method - double-copies the file, overwrites original file
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// and could corrupt source file if the script is interrupted or an error occurs.
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if ($fp_source = @fopen($this->filename, 'rb')) {
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// Initialize getID3 engine
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$getID3 = new getID3;
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$OldThisFileInfo = $getID3->analyze($this->filename);
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if ($OldThisFileInfo['filesize'] >= pow(2, 31)) {
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$this->errors[] = 'Unable to remove ID3v2 because file is larger than 2GB';
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fclose($fp_source);
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return false;
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}
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rewind($fp_source);
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if ($OldThisFileInfo['avdataoffset'] !== false) {
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fseek($fp_source, $OldThisFileInfo['avdataoffset'], SEEK_SET);
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}
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if ($fp_temp = tmpfile()) {
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while ($buffer = fread($fp_source, GETID3_FREAD_BUFFER_SIZE)) {
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fwrite($fp_temp, $buffer, strlen($buffer));
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}
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fclose($fp_source);
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if ($fp_source = @fopen($this->filename, 'wb')) {
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rewind($fp_temp);
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while ($buffer = fread($fp_temp, GETID3_FREAD_BUFFER_SIZE)) {
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fwrite($fp_source, $buffer, strlen($buffer));
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}
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fseek($fp_temp, -128, SEEK_END);
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fclose($fp_source);
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} else {
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$this->errors[] = 'Could not open '.$this->filename.' mode "wb"';
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}
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fclose($fp_temp);
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} else {
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$this->errors[] = 'Could not create tmpfile()';
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}
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} else {
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$this->errors[] = 'Could not open '.$this->filename.' mode "rb"';
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}
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} else {
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$this->errors[] = 'Directory and file both not writeable';
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}
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if (!empty($this->errors)) {
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return false;
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}
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return true;
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}
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function GenerateID3v2TagFlags($flags) {
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switch ($this->majorversion) {
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case 4:
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// %abcd0000
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$flag = (@$flags['unsynchronisation'] ? '1' : '0'); // a - Unsynchronisation
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$flag .= (@$flags['extendedheader'] ? '1' : '0'); // b - Extended header
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$flag .= (@$flags['experimental'] ? '1' : '0'); // c - Experimental indicator
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$flag .= (@$flags['footer'] ? '1' : '0'); // d - Footer present
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$flag .= '0000';
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break;
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case 3:
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// %abc00000
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$flag = (@$flags['unsynchronisation'] ? '1' : '0'); // a - Unsynchronisation
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$flag .= (@$flags['extendedheader'] ? '1' : '0'); // b - Extended header
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$flag .= (@$flags['experimental'] ? '1' : '0'); // c - Experimental indicator
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$flag .= '00000';
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break;
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case 2:
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// %ab000000
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$flag = (@$flags['unsynchronisation'] ? '1' : '0'); // a - Unsynchronisation
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$flag .= (@$flags['compression'] ? '1' : '0'); // b - Compression
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$flag .= '000000';
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break;
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default:
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return false;
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break;
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}
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return chr(bindec($flag));
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}
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function GenerateID3v2FrameFlags($TagAlter=false, $FileAlter=false, $ReadOnly=false, $Compression=false, $Encryption=false, $GroupingIdentity=false, $Unsynchronisation=false, $DataLengthIndicator=false) {
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switch ($this->majorversion) {
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case 4:
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// %0abc0000 %0h00kmnp
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$flag1 = '0';
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$flag1 .= $TagAlter ? '1' : '0'; // a - Tag alter preservation (true == discard)
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$flag1 .= $FileAlter ? '1' : '0'; // b - File alter preservation (true == discard)
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$flag1 .= $ReadOnly ? '1' : '0'; // c - Read only (true == read only)
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$flag1 .= '0000';
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$flag2 = '0';
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$flag2 .= $GroupingIdentity ? '1' : '0'; // h - Grouping identity (true == contains group information)
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$flag2 .= '00';
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$flag2 .= $Compression ? '1' : '0'; // k - Compression (true == compressed)
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$flag2 .= $Encryption ? '1' : '0'; // m - Encryption (true == encrypted)
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$flag2 .= $Unsynchronisation ? '1' : '0'; // n - Unsynchronisation (true == unsynchronised)
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$flag2 .= $DataLengthIndicator ? '1' : '0'; // p - Data length indicator (true == data length indicator added)
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break;
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case 3:
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// %abc00000 %ijk00000
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$flag1 = $TagAlter ? '1' : '0'; // a - Tag alter preservation (true == discard)
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$flag1 .= $FileAlter ? '1' : '0'; // b - File alter preservation (true == discard)
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$flag1 .= $ReadOnly ? '1' : '0'; // c - Read only (true == read only)
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$flag1 .= '00000';
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$flag2 = $Compression ? '1' : '0'; // i - Compression (true == compressed)
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$flag2 .= $Encryption ? '1' : '0'; // j - Encryption (true == encrypted)
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$flag2 .= $GroupingIdentity ? '1' : '0'; // k - Grouping identity (true == contains group information)
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$flag2 .= '00000';
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break;
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default:
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return false;
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break;
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}
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return chr(bindec($flag1)).chr(bindec($flag2));
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}
|
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|
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function GenerateID3v2FrameData($frame_name, $source_data_array) {
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if (!getid3_id3v2::IsValidID3v2FrameName($frame_name, $this->majorversion)) {
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return false;
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||
}
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$framedata = '';
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|
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if (($this->majorversion < 3) || ($this->majorversion > 4)) {
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|
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$this->errors[] = 'Only ID3v2.3 and ID3v2.4 are supported in GenerateID3v2FrameData()';
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} else { // $this->majorversion 3 or 4
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switch ($frame_name) {
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case 'UFID':
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// 4.1 UFID Unique file identifier
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// Owner identifier <text string> $00
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// Identifier <up to 64 bytes binary data>
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if (strlen($source_data_array['data']) > 64) {
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$this->errors[] = 'Identifier not allowed to be longer than 64 bytes in '.$frame_name.' (supplied data was '.strlen($source_data_array['data']).' bytes long)';
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} else {
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$framedata .= str_replace("\x00", '', $source_data_array['ownerid'])."\x00";
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$framedata .= substr($source_data_array['data'], 0, 64); // max 64 bytes - truncate anything longer
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}
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break;
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|
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case 'TXXX':
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// 4.2.2 TXXX User defined text information frame
|
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// Text encoding $xx
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// Description <text string according to encoding> $00 (00)
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// Value <text string according to encoding>
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$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
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if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'], $this->majorversion)) {
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$this->errors[] = 'Invalid Text Encoding in '.$frame_name.' ('.$source_data_array['encodingid'].') for ID3v2.'.$this->majorversion;
|
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} else {
|
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$framedata .= chr($source_data_array['encodingid']);
|
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$framedata .= $source_data_array['description'].getid3_id3v2::TextEncodingTerminatorLookup($source_data_array['encodingid']);
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$framedata .= $source_data_array['data'];
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}
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break;
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||
|
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case 'WXXX':
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// 4.3.2 WXXX User defined URL link frame
|
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// Text encoding $xx
|
||
// Description <text string according to encoding> $00 (00)
|
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// URL <text string>
|
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$source_data_array['encodingid'] = (isset($source_data_array['encodingid']) ? $source_data_array['encodingid'] : $this->id3v2_default_encodingid);
|
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if (!$this->ID3v2IsValidTextEncoding($source_data_array['encodingid'], $this->majorversion)) {
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||
$this->errors[] = 'Invalid Text Encoding in '.$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']);
|
||
$framedata .= @$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'], $source_data_array['album_adjustment']);
|
||
}
|
||
break;
|
||
|
||
default:
|
||
if ($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."
|
||
$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] = $this->array_join_merge(@$arr1[$key], @$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 (!eregi("^[[:alnum:]]([-.]?[0-9a-z])*\.[a-z]{2,3}$", $parts['host'], $regs) && !IsValidDottedIP($parts['host'])) {
|
||
return false;
|
||
} elseif (!eregi("^([[:alnum:]-]|[\_])*$", $parts['user'], $regs)) {
|
||
return false;
|
||
} elseif (!eregi("^([[:alnum:]-]|[\_])*$", $parts['pass'], $regs)) {
|
||
return false;
|
||
} elseif (!eregi("^[[:alnum:]/_\.@~-]*$", $parts['path'], $regs)) {
|
||
return false;
|
||
} elseif (!eregi("^[[:alnum:]?&=+:;_()%#/,\.-]*$", $parts['query'], $regs)) {
|
||
return false;
|
||
} else {
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
function ID3v2ShortFrameNameLookup($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';
|
||
$ID3v2ShortFrameNameLookup[4]['set_subtitle'] = 'TSST';
|
||
}
|
||
return @$ID3v2ShortFrameNameLookup[$majorversion][strtolower($long_description)];
|
||
|
||
}
|
||
|
||
}
|
||
|
||
?>
|