/getid3/write.id3v2.php
PHP | 2057 lines | 1581 code | 164 blank | 312 comment | 467 complexity | 0efe812a51911e5ca68e164e06d929bc MD5 | raw file
Possible License(s): GPL-2.0
- <?php
- /////////////////////////////////////////////////////////////////
- /// getID3() by James Heinrich <info@getid3.org> //
- // available at http://getid3.sourceforge.net //
- // or http://www.getid3.org //
- /////////////////////////////////////////////////////////////////
- // See readme.txt for more details //
- /////////////////////////////////////////////////////////////////
- /// //
- // write.id3v2.php //
- // module for writing ID3v2 tags //
- // dependencies: module.tag.id3v2.php //
- // ///
- /////////////////////////////////////////////////////////////////
- getid3_lib::IncludeDependency ( GETID3_INCLUDEPATH . 'module.tag.id3v2.php', __FILE__, true );
- class getid3_write_id3v2 {
- var $filename;
- var $tag_data;
- var $fread_buffer_size = 32768; // read buffer size in bytes
- var $paddedlength = 4096; // minimum length of ID3v2 tag in bytes
- var $majorversion = 3; // ID3v2 major version (2, 3 (recommended), 4)
- var $minorversion = 0; // ID3v2 minor version - always 0
- var $merge_existing_data = false; // if true, merge new data with existing tags; if false, delete old tag data and only write new tags
- var $id3v2_default_encodingid = 0; // default text encoding (ISO-8859-1) if not explicitly passed
- var $id3v2_use_unsynchronisation = false; // the specs say it should be TRUE, but most other ID3v2-aware programs are broken if unsynchronization is used, so by default don't use it.
- var $warnings = array (); // any non-critical errors will be stored here
- var $errors = array (); // any critical errors will be stored here
-
- function getid3_write_id3v2() {
- return true;
- }
-
- function WriteID3v2() {
- // File MUST be writeable - CHMOD(646) at least. It's best if the
- // directory is also writeable, because that method is both faster and less susceptible to errors.
-
- if (! empty ( $this->filename ) && (is_writeable ( $this->filename ) || (! file_exists ( $this->filename ) && is_writeable ( dirname ( $this->filename ) )))) {
- // Initialize getID3 engine
- $getID3 = new getID3 ();
- $OldThisFileInfo = $getID3->analyze ( $this->filename );
- if (! getid3_lib::intValueSupported ( $OldThisFileInfo ['filesize'] )) {
- $this->errors [] = 'Unable to write ID3v2 because file is larger than ' . round ( PHP_INT_MAX / 1073741824 ) . 'GB';
- fclose ( $fp_source );
- return false;
- }
- if ($this->merge_existing_data) {
- // merge with existing data
- if (! empty ( $OldThisFileInfo ['id3v2'] )) {
- $this->tag_data = $this->array_join_merge ( $OldThisFileInfo ['id3v2'], $this->tag_data );
- }
- }
- $this->paddedlength = (isset ( $OldThisFileInfo ['id3v2'] ['headerlength'] ) ? max ( $OldThisFileInfo ['id3v2'] ['headerlength'], $this->paddedlength ) : $this->paddedlength);
-
- if (($NewID3v2Tag = $this->GenerateID3v2Tag ()) != false) {
-
- if (file_exists ( $this->filename ) && is_writeable ( $this->filename ) && isset ( $OldThisFileInfo ['id3v2'] ['headerlength'] ) && ($OldThisFileInfo ['id3v2'] ['headerlength'] == strlen ( $NewID3v2Tag ))) {
-
- // best and fastest method - insert-overwrite existing tag (padded to length of old tag if neccesary)
- if (file_exists ( $this->filename )) {
-
- if (is_readable ( $this->filename ) && is_writable ( $this->filename ) && is_file ( $this->filename ) && ($fp = fopen ( $this->filename, 'r+b' ))) {
- rewind ( $fp );
- fwrite ( $fp, $NewID3v2Tag, strlen ( $NewID3v2Tag ) );
- fclose ( $fp );
- } else {
- $this->errors [] = 'Could not fopen("' . $this->filename . '", "r+b")';
- }
-
- } else {
-
- if (is_writable ( $this->filename ) && is_file ( $this->filename ) && ($fp = fopen ( $this->filename, 'wb' ))) {
- rewind ( $fp );
- fwrite ( $fp, $NewID3v2Tag, strlen ( $NewID3v2Tag ) );
- fclose ( $fp );
- } else {
- $this->errors [] = 'Could not fopen("' . $this->filename . '", "wb")';
- }
-
- }
-
- } else {
-
- if (($tempfilename = tempnam ( GETID3_TEMP_DIR, 'getID3' )) != false) {
- if (is_readable ( $this->filename ) && is_file ( $this->filename ) && ($fp_source = fopen ( $this->filename, 'rb' ))) {
- if (is_writable ( $tempfilename ) && is_file ( $tempfilename ) && ($fp_temp = fopen ( $tempfilename, 'wb' ))) {
-
- fwrite ( $fp_temp, $NewID3v2Tag, strlen ( $NewID3v2Tag ) );
-
- rewind ( $fp_source );
- if (! empty ( $OldThisFileInfo ['avdataoffset'] )) {
- fseek ( $fp_source, $OldThisFileInfo ['avdataoffset'], SEEK_SET );
- }
-
- while ( ($buffer = fread ( $fp_source, $this->fread_buffer_size )) != false ) {
- fwrite ( $fp_temp, $buffer, strlen ( $buffer ) );
- }
-
- fclose ( $fp_temp );
- fclose ( $fp_source );
- copy ( $tempfilename, $this->filename );
- unlink ( $tempfilename );
- return true;
-
- } else {
- $this->errors [] = 'Could not fopen("' . $tempfilename . '", "wb")';
- }
- fclose ( $fp_source );
-
- } else {
- $this->errors [] = 'Could not fopen("' . $this->filename . '", "rb")';
- }
- }
- return false;
-
- }
-
- } else {
-
- $this->errors [] = '$this->GenerateID3v2Tag() failed';
-
- }
-
- if (! empty ( $this->errors )) {
- return false;
- }
- return true;
- } else {
- $this->errors [] = 'WriteID3v2() failed: !is_writeable(' . $this->filename . ')';
- }
- return false;
- }
-
- function RemoveID3v2() {
- // File MUST be writeable - CHMOD(646) at least. It's best if the
- // directory is also writeable, because that method is both faster and less susceptible to errors.
- if (is_writeable ( dirname ( $this->filename ) )) {
-
- // preferred method - only one copying operation, minimal chance of corrupting
- // original file if script is interrupted, but required directory to be writeable
- if (is_readable ( $this->filename ) && is_file ( $this->filename ) && ($fp_source = fopen ( $this->filename, 'rb' ))) {
-
- // Initialize getID3 engine
- $getID3 = new getID3 ();
- $OldThisFileInfo = $getID3->analyze ( $this->filename );
- if (! getid3_lib::intValueSupported ( $OldThisFileInfo ['filesize'] )) {
- $this->errors [] = 'Unable to remove ID3v2 because file is larger than ' . round ( PHP_INT_MAX / 1073741824 ) . 'GB';
- fclose ( $fp_source );
- return false;
- }
- rewind ( $fp_source );
- if ($OldThisFileInfo ['avdataoffset'] !== false) {
- fseek ( $fp_source, $OldThisFileInfo ['avdataoffset'], SEEK_SET );
- }
- if (is_writable ( $this->filename ) && is_file ( $this->filename ) && ($fp_temp = fopen ( $this->filename . 'getid3tmp', 'w+b' ))) {
- while ( ($buffer = fread ( $fp_source, $this->fread_buffer_size )) != false ) {
- fwrite ( $fp_temp, $buffer, strlen ( $buffer ) );
- }
- fclose ( $fp_temp );
- } else {
- $this->errors [] = 'Could not fopen("' . $this->filename . 'getid3tmp", "w+b")';
- }
- fclose ( $fp_source );
- } else {
- $this->errors [] = 'Could not fopen("' . $this->filename . '", "rb")';
- }
- if (file_exists ( $this->filename )) {
- unlink ( $this->filename );
- }
- rename ( $this->filename . 'getid3tmp', $this->filename );
-
- } elseif (is_writable ( $this->filename )) {
-
- // less desirable alternate method - double-copies the file, overwrites original file
- // and could corrupt source file if the script is interrupted or an error occurs.
- if (is_readable ( $this->filename ) && is_file ( $this->filename ) && ($fp_source = fopen ( $this->filename, 'rb' ))) {
-
- // Initialize getID3 engine
- $getID3 = new getID3 ();
- $OldThisFileInfo = $getID3->analyze ( $this->filename );
- if (! getid3_lib::intValueSupported ( $OldThisFileInfo ['filesize'] )) {
- $this->errors [] = 'Unable to remove ID3v2 because file is larger than ' . round ( PHP_INT_MAX / 1073741824 ) . 'GB';
- fclose ( $fp_source );
- return false;
- }
- rewind ( $fp_source );
- if ($OldThisFileInfo ['avdataoffset'] !== false) {
- fseek ( $fp_source, $OldThisFileInfo ['avdataoffset'], SEEK_SET );
- }
- if (($fp_temp = tmpfile ()) != false) {
- while ( ($buffer = fread ( $fp_source, $this->fread_buffer_size )) != false ) {
- fwrite ( $fp_temp, $buffer, strlen ( $buffer ) );
- }
- fclose ( $fp_source );
- if (is_writable ( $this->filename ) && is_file ( $this->filename ) && ($fp_source = fopen ( $this->filename, 'wb' ))) {
- rewind ( $fp_temp );
- while ( ($buffer = fread ( $fp_temp, $this->fread_buffer_size )) != false ) {
- fwrite ( $fp_source, $buffer, strlen ( $buffer ) );
- }
- fseek ( $fp_temp, - 128, SEEK_END );
- fclose ( $fp_source );
- } else {
- $this->errors [] = 'Could not fopen("' . $this->filename . '", "wb")';
- }
- fclose ( $fp_temp );
- } else {
- $this->errors [] = 'Could not create tmpfile()';
- }
- } else {
- $this->errors [] = 'Could not fopen("' . $this->filename . '", "rb")';
- }
-
- } else {
-
- $this->errors [] = 'Directory and file both not writeable';
-
- }
-
- if (! empty ( $this->errors )) {
- return false;
- }
- return true;
- }
-
- function GenerateID3v2TagFlags($flags) {
- switch ($this->majorversion) {
- case 4 :
- // %abcd0000
- $flag = (! empty ( $flags ['unsynchronisation'] ) ? '1' : '0'); // a - Unsynchronisation
- $flag .= (! empty ( $flags ['extendedheader'] ) ? '1' : '0'); // b - Extended header
- $flag .= (! empty ( $flags ['experimental'] ) ? '1' : '0'); // c - Experimental indicator
- $flag .= (! empty ( $flags ['footer'] ) ? '1' : '0'); // d - Footer present
- $flag .= '0000';
- break;
-
- case 3 :
- // %abc00000
- $flag = (! empty ( $flags ['unsynchronisation'] ) ? '1' : '0'); // a - Unsynchronisation
- $flag .= (! empty ( $flags ['extendedheader'] ) ? '1' : '0'); // b - Extended header
- $flag .= (! empty ( $flags ['experimental'] ) ? '1' : '0'); // c - Experimental indicator
- $flag .= '00000';
- break;
-
- case 2 :
- // %ab000000
- $flag = (! empty ( $flags ['unsynchronisation'] ) ? '1' : '0'); // a - Unsynchronisation
- $flag .= (! empty ( $flags ['compression'] ) ? '1' : '0'); // b - Compression
- $flag .= '000000';
- break;
-
- default :
- return false;
- break;
- }
- return chr ( bindec ( $flag ) );
- }
-
- function GenerateID3v2FrameFlags($TagAlter = false, $FileAlter = false, $ReadOnly = false, $Compression = false, $Encryption = false, $GroupingIdentity = false, $Unsynchronisation = false, $DataLengthIndicator = false) {
- switch ($this->majorversion) {
- case 4 :
- // %0abc0000 %0h00kmnp
- $flag1 = '0';
- $flag1 .= $TagAlter ? '1' : '0'; // a - Tag alter preservation (true == discard)
- $flag1 .= $FileAlter ? '1' : '0'; // b - File alter preservation (true == discard)
- $flag1 .= $ReadOnly ? '1' : '0'; // c - Read only (true == read only)
- $flag1 .= '0000';
-
- $flag2 = '0';
- $flag2 .= $GroupingIdentity ? '1' : '0'; // h - Grouping identity (true == contains group information)
- $flag2 .= '00';
- $flag2 .= $Compression ? '1' : '0'; // k - Compression (true == compressed)
- $flag2 .= $Encryption ? '1' : '0'; // m - Encryption (true == encrypted)
- $flag2 .= $Unsynchronisation ? '1' : '0'; // n - Unsynchronisation (true == unsynchronised)
- $flag2 .= $DataLengthIndicator ? '1' : '0'; // p - Data length indicator (true == data length indicator added)
- break;
-
- case 3 :
- // %abc00000 %ijk00000
- $flag1 = $TagAlter ? '1' : '0'; // a - Tag alter preservation (true == discard)
- $flag1 .= $FileAlter ? '1' : '0'; // b - File alter preservation (true == discard)
- $flag1 .= $ReadOnly ? '1' : '0'; // c - Read only (true == read only)
- $flag1 .= '00000';
-
- $flag2 = $Compression ? '1' : '0'; // i - Compression (true == compressed)
- $flag2 .= $Encryption ? '1' : '0'; // j - Encryption (true == encrypted)
- $flag2 .= $GroupingIdentity ? '1' : '0'; // k - Grouping identity (true == contains group information)
- $flag2 .= '00000';
- break;
-
- default :
- return false;
- break;
-
- }
- return chr ( bindec ( $flag1 ) ) . chr ( bindec ( $flag2 ) );
- }
-
- function GenerateID3v2FrameData($frame_name, $source_data_array) {
- if (! getid3_id3v2::IsValidID3v2FrameName ( $frame_name, $this->majorversion )) {
- return false;
- }
- $framedata = '';
-
- if (($this->majorversion < 3) || ($this->majorversion > 4)) {
-
- $this->errors [] = 'Only ID3v2.3 and ID3v2.4 are supported in GenerateID3v2FrameData()';
-
- } else { // $this->majorversion 3 or 4
-
- switch ($frame_name) {
- case 'UFID' :
- // 4.1 UFID Unique file identifier
- // Owner identifier <text string> $00
- // Identifier <up to 64 bytes binary data>
- if (strlen ( $source_data_array ['data'] ) > 64) {
- $this->errors [] = 'Identifier not allowed to be longer than 64 bytes in ' . $frame_name . ' (supplied data was ' . strlen ( $source_data_array ['data'] ) . ' bytes long)';
- } else {
- $framedata .= str_replace ( "\x00", '', $source_data_array ['ownerid'] ) . "\x00";
- $framedata .= substr ( $source_data_array ['data'], 0, 64 ); // max 64 bytes - truncate anything longer
- }
- break;
-
- case 'TXXX' :
- // 4.2.2 TXXX User defined text information frame
- // Text encoding $xx
- // Description <text string according to encoding> $00 (00)
- // Value <text string according to encoding>
- $source_data_array ['encodingid'] = (isset ( $source_data_array ['encodingid'] ) ? $source_data_array ['encodingid'] : $this->id3v2_default_encodingid);
- if (! $this->ID3v2IsValidTextEncoding ( $source_data_array ['encodingid'], $this->majorversion )) {
- $this->errors [] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array ['encodingid'] . ') for ID3v2.' . $this->majorversion;
- } else {
- $framedata .= chr ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['description'] . getid3_id3v2::TextEncodingTerminatorLookup ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['data'];
- }
- break;
-
- case 'WXXX' :
- // 4.3.2 WXXX User defined URL link frame
- // Text encoding $xx
- // Description <text string according to encoding> $00 (00)
- // URL <text string>
- $source_data_array ['encodingid'] = (isset ( $source_data_array ['encodingid'] ) ? $source_data_array ['encodingid'] : $this->id3v2_default_encodingid);
- if (! $this->ID3v2IsValidTextEncoding ( $source_data_array ['encodingid'], $this->majorversion )) {
- $this->errors [] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array ['encodingid'] . ') for ID3v2.' . $this->majorversion;
- } elseif (! isset ( $source_data_array ['data'] ) || ! $this->IsValidURL ( $source_data_array ['data'], false, false )) {
- //$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
- // probably should be an error, need to rewrite IsValidURL() to handle other encodings
- $this->warnings [] = 'Invalid URL in ' . $frame_name . ' (' . $source_data_array ['data'] . ')';
- } else {
- $framedata .= chr ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['description'] . getid3_id3v2::TextEncodingTerminatorLookup ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['data'];
- }
- break;
-
- case 'IPLS' :
- // 4.4 IPLS Involved people list (ID3v2.3 only)
- // Text encoding $xx
- // People list strings <textstrings>
- $source_data_array ['encodingid'] = (isset ( $source_data_array ['encodingid'] ) ? $source_data_array ['encodingid'] : $this->id3v2_default_encodingid);
- if (! $this->ID3v2IsValidTextEncoding ( $source_data_array ['encodingid'], $this->majorversion )) {
- $this->errors [] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array ['encodingid'] . ') for ID3v2.' . $this->majorversion;
- } else {
- $framedata .= chr ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['data'];
- }
- break;
-
- case 'MCDI' :
- // 4.4 MCDI Music CD identifier
- // CD TOC <binary data>
- $framedata .= $source_data_array ['data'];
- break;
-
- case 'ETCO' :
- // 4.5 ETCO Event timing codes
- // Time stamp format $xx
- // Where time stamp format is:
- // $01 (32-bit value) MPEG frames from beginning of file
- // $02 (32-bit value) milliseconds from beginning of file
- // Followed by a list of key events in the following format:
- // Type of event $xx
- // Time stamp $xx (xx ...)
- // The 'Time stamp' is set to zero if directly at the beginning of the sound
- // or after the previous event. All events MUST be sorted in chronological order.
- if (($source_data_array ['timestampformat'] > 2) || ($source_data_array ['timestampformat'] < 1)) {
- $this->errors [] = 'Invalid Time Stamp Format byte in ' . $frame_name . ' (' . $source_data_array ['timestampformat'] . ')';
- } else {
- $framedata .= chr ( $source_data_array ['timestampformat'] );
- foreach ( $source_data_array as $key => $val ) {
- if (! $this->ID3v2IsValidETCOevent ( $val ['typeid'] )) {
- $this->errors [] = 'Invalid Event Type byte in ' . $frame_name . ' (' . $val ['typeid'] . ')';
- } elseif (($key != 'timestampformat') && ($key != 'flags')) {
- if (($val ['timestamp'] > 0) && ($previousETCOtimestamp >= $val ['timestamp'])) {
- // The 'Time stamp' is set to zero if directly at the beginning of the sound
- // or after the previous event. All events MUST be sorted in chronological order.
- $this->errors [] = 'Out-of-order timestamp in ' . $frame_name . ' (' . $val ['timestamp'] . ') for Event Type (' . $val ['typeid'] . ')';
- } else {
- $framedata .= chr ( $val ['typeid'] );
- $framedata .= getid3_lib::BigEndian2String ( $val ['timestamp'], 4, false );
- }
- }
- }
- }
- break;
-
- case 'MLLT' :
- // 4.6 MLLT MPEG location lookup table
- // MPEG frames between reference $xx xx
- // Bytes between reference $xx xx xx
- // Milliseconds between reference $xx xx xx
- // Bits for bytes deviation $xx
- // Bits for milliseconds dev. $xx
- // Then for every reference the following data is included;
- // Deviation in bytes %xxx....
- // Deviation in milliseconds %xxx....
- if (($source_data_array ['framesbetweenreferences'] > 0) && ($source_data_array ['framesbetweenreferences'] <= 65535)) {
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['framesbetweenreferences'], 2, false );
- } else {
- $this->errors [] = 'Invalid MPEG Frames Between References in ' . $frame_name . ' (' . $source_data_array ['framesbetweenreferences'] . ')';
- }
- if (($source_data_array ['bytesbetweenreferences'] > 0) && ($source_data_array ['bytesbetweenreferences'] <= 16777215)) {
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['bytesbetweenreferences'], 3, false );
- } else {
- $this->errors [] = 'Invalid bytes Between References in ' . $frame_name . ' (' . $source_data_array ['bytesbetweenreferences'] . ')';
- }
- if (($source_data_array ['msbetweenreferences'] > 0) && ($source_data_array ['msbetweenreferences'] <= 16777215)) {
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['msbetweenreferences'], 3, false );
- } else {
- $this->errors [] = 'Invalid Milliseconds Between References in ' . $frame_name . ' (' . $source_data_array ['msbetweenreferences'] . ')';
- }
- if (! $this->IsWithinBitRange ( $source_data_array ['bitsforbytesdeviation'], 8, false )) {
- if (($source_data_array ['bitsforbytesdeviation'] % 4) == 0) {
- $framedata .= chr ( $source_data_array ['bitsforbytesdeviation'] );
- } else {
- $this->errors [] = 'Bits For Bytes Deviation in ' . $frame_name . ' (' . $source_data_array ['bitsforbytesdeviation'] . ') must be a multiple of 4.';
- }
- } else {
- $this->errors [] = 'Invalid Bits For Bytes Deviation in ' . $frame_name . ' (' . $source_data_array ['bitsforbytesdeviation'] . ')';
- }
- if (! $this->IsWithinBitRange ( $source_data_array ['bitsformsdeviation'], 8, false )) {
- if (($source_data_array ['bitsformsdeviation'] % 4) == 0) {
- $framedata .= chr ( $source_data_array ['bitsformsdeviation'] );
- } else {
- $this->errors [] = 'Bits For Milliseconds Deviation in ' . $frame_name . ' (' . $source_data_array ['bitsforbytesdeviation'] . ') must be a multiple of 4.';
- }
- } else {
- $this->errors [] = 'Invalid Bits For Milliseconds Deviation in ' . $frame_name . ' (' . $source_data_array ['bitsformsdeviation'] . ')';
- }
- foreach ( $source_data_array as $key => $val ) {
- if (($key != 'framesbetweenreferences') && ($key != 'bytesbetweenreferences') && ($key != 'msbetweenreferences') && ($key != 'bitsforbytesdeviation') && ($key != 'bitsformsdeviation') && ($key != 'flags')) {
- $unwrittenbitstream .= str_pad ( getid3_lib::Dec2Bin ( $val ['bytedeviation'] ), $source_data_array ['bitsforbytesdeviation'], '0', STR_PAD_LEFT );
- $unwrittenbitstream .= str_pad ( getid3_lib::Dec2Bin ( $val ['msdeviation'] ), $source_data_array ['bitsformsdeviation'], '0', STR_PAD_LEFT );
- }
- }
- for($i = 0; $i < strlen ( $unwrittenbitstream ); $i += 8) {
- $highnibble = bindec ( substr ( $unwrittenbitstream, $i, 4 ) ) << 4;
- $lownibble = bindec ( substr ( $unwrittenbitstream, $i + 4, 4 ) );
- $framedata .= chr ( $highnibble & $lownibble );
- }
- break;
-
- case 'SYTC' :
- // 4.7 SYTC Synchronised tempo codes
- // Time stamp format $xx
- // Tempo data <binary data>
- // Where time stamp format is:
- // $01 (32-bit value) MPEG frames from beginning of file
- // $02 (32-bit value) milliseconds from beginning of file
- if (($source_data_array ['timestampformat'] > 2) || ($source_data_array ['timestampformat'] < 1)) {
- $this->errors [] = 'Invalid Time Stamp Format byte in ' . $frame_name . ' (' . $source_data_array ['timestampformat'] . ')';
- } else {
- $framedata .= chr ( $source_data_array ['timestampformat'] );
- foreach ( $source_data_array as $key => $val ) {
- if (! $this->ID3v2IsValidETCOevent ( $val ['typeid'] )) {
- $this->errors [] = 'Invalid Event Type byte in ' . $frame_name . ' (' . $val ['typeid'] . ')';
- } elseif (($key != 'timestampformat') && ($key != 'flags')) {
- if (($val ['tempo'] < 0) || ($val ['tempo'] > 510)) {
- $this->errors [] = 'Invalid Tempo (max = 510) in ' . $frame_name . ' (' . $val ['tempo'] . ') at timestamp (' . $val ['timestamp'] . ')';
- } else {
- if ($val ['tempo'] > 255) {
- $framedata .= chr ( 255 );
- $val ['tempo'] -= 255;
- }
- $framedata .= chr ( $val ['tempo'] );
- $framedata .= getid3_lib::BigEndian2String ( $val ['timestamp'], 4, false );
- }
- }
- }
- }
- break;
-
- case 'USLT' :
- // 4.8 USLT Unsynchronised lyric/text transcription
- // Text encoding $xx
- // Language $xx xx xx
- // Content descriptor <text string according to encoding> $00 (00)
- // Lyrics/text <full text string according to encoding>
- $source_data_array ['encodingid'] = (isset ( $source_data_array ['encodingid'] ) ? $source_data_array ['encodingid'] : $this->id3v2_default_encodingid);
- if (! $this->ID3v2IsValidTextEncoding ( $source_data_array ['encodingid'] )) {
- $this->errors [] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array ['encodingid'] . ') for ID3v2.' . $this->majorversion;
- } elseif (getid3_id3v2::LanguageLookup ( $source_data_array ['language'], true ) == '') {
- $this->errors [] = 'Invalid Language in ' . $frame_name . ' (' . $source_data_array ['language'] . ')';
- } else {
- $framedata .= chr ( $source_data_array ['encodingid'] );
- $framedata .= strtolower ( $source_data_array ['language'] );
- $framedata .= $source_data_array ['description'] . getid3_id3v2::TextEncodingTerminatorLookup ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['data'];
- }
- break;
-
- case 'SYLT' :
- // 4.9 SYLT Synchronised lyric/text
- // Text encoding $xx
- // Language $xx xx xx
- // Time stamp format $xx
- // $01 (32-bit value) MPEG frames from beginning of file
- // $02 (32-bit value) milliseconds from beginning of file
- // Content type $xx
- // Content descriptor <text string according to encoding> $00 (00)
- // Terminated text to be synced (typically a syllable)
- // Sync identifier (terminator to above string) $00 (00)
- // Time stamp $xx (xx ...)
- $source_data_array ['encodingid'] = (isset ( $source_data_array ['encodingid'] ) ? $source_data_array ['encodingid'] : $this->id3v2_default_encodingid);
- if (! $this->ID3v2IsValidTextEncoding ( $source_data_array ['encodingid'] )) {
- $this->errors [] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array ['encodingid'] . ') for ID3v2.' . $this->majorversion;
- } elseif (getid3_id3v2::LanguageLookup ( $source_data_array ['language'], true ) == '') {
- $this->errors [] = 'Invalid Language in ' . $frame_name . ' (' . $source_data_array ['language'] . ')';
- } elseif (($source_data_array ['timestampformat'] > 2) || ($source_data_array ['timestampformat'] < 1)) {
- $this->errors [] = 'Invalid Time Stamp Format byte in ' . $frame_name . ' (' . $source_data_array ['timestampformat'] . ')';
- } elseif (! $this->ID3v2IsValidSYLTtype ( $source_data_array ['contenttypeid'] )) {
- $this->errors [] = 'Invalid Content Type byte in ' . $frame_name . ' (' . $source_data_array ['contenttypeid'] . ')';
- } elseif (! is_array ( $source_data_array ['data'] )) {
- $this->errors [] = 'Invalid Lyric/Timestamp data in ' . $frame_name . ' (must be an array)';
- } else {
- $framedata .= chr ( $source_data_array ['encodingid'] );
- $framedata .= strtolower ( $source_data_array ['language'] );
- $framedata .= chr ( $source_data_array ['timestampformat'] );
- $framedata .= chr ( $source_data_array ['contenttypeid'] );
- $framedata .= $source_data_array ['description'] . getid3_id3v2::TextEncodingTerminatorLookup ( $source_data_array ['encodingid'] );
- ksort ( $source_data_array ['data'] );
- foreach ( $source_data_array ['data'] as $key => $val ) {
- $framedata .= $val ['data'] . getid3_id3v2::TextEncodingTerminatorLookup ( $source_data_array ['encodingid'] );
- $framedata .= getid3_lib::BigEndian2String ( $val ['timestamp'], 4, false );
- }
- }
- break;
-
- case 'COMM' :
- // 4.10 COMM Comments
- // Text encoding $xx
- // Language $xx xx xx
- // Short content descrip. <text string according to encoding> $00 (00)
- // The actual text <full text string according to encoding>
- $source_data_array ['encodingid'] = (isset ( $source_data_array ['encodingid'] ) ? $source_data_array ['encodingid'] : $this->id3v2_default_encodingid);
- if (! $this->ID3v2IsValidTextEncoding ( $source_data_array ['encodingid'] )) {
- $this->errors [] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array ['encodingid'] . ') for ID3v2.' . $this->majorversion;
- } elseif (getid3_id3v2::LanguageLookup ( $source_data_array ['language'], true ) == '') {
- $this->errors [] = 'Invalid Language in ' . $frame_name . ' (' . $source_data_array ['language'] . ')';
- } else {
- $framedata .= chr ( $source_data_array ['encodingid'] );
- $framedata .= strtolower ( $source_data_array ['language'] );
- $framedata .= $source_data_array ['description'] . getid3_id3v2::TextEncodingTerminatorLookup ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['data'];
- }
- break;
-
- case 'RVA2' :
- // 4.11 RVA2 Relative volume adjustment (2) (ID3v2.4+ only)
- // Identification <text string> $00
- // The 'identification' string is used to identify the situation and/or
- // device where this adjustment should apply. The following is then
- // repeated for every channel:
- // Type of channel $xx
- // Volume adjustment $xx xx
- // Bits representing peak $xx
- // Peak volume $xx (xx ...)
- $framedata .= str_replace ( "\x00", '', $source_data_array ['description'] ) . "\x00";
- foreach ( $source_data_array as $key => $val ) {
- if ($key != 'description') {
- $framedata .= chr ( $val ['channeltypeid'] );
- $framedata .= getid3_lib::BigEndian2String ( $val ['volumeadjust'], 2, false, true ); // signed 16-bit
- if (! $this->IsWithinBitRange ( $source_data_array ['bitspeakvolume'], 8, false )) {
- $framedata .= chr ( $val ['bitspeakvolume'] );
- if ($val ['bitspeakvolume'] > 0) {
- $framedata .= getid3_lib::BigEndian2String ( $val ['peakvolume'], ceil ( $val ['bitspeakvolume'] / 8 ), false, false );
- }
- } else {
- $this->errors [] = 'Invalid Bits Representing Peak Volume in ' . $frame_name . ' (' . $val ['bitspeakvolume'] . ') (range = 0 to 255)';
- }
- }
- }
- break;
-
- case 'RVAD' :
- // 4.12 RVAD Relative volume adjustment (ID3v2.3 only)
- // Increment/decrement %00fedcba
- // Bits used for volume descr. $xx
- // Relative volume change, right $xx xx (xx ...) // a
- // Relative volume change, left $xx xx (xx ...) // b
- // Peak volume right $xx xx (xx ...)
- // Peak volume left $xx xx (xx ...)
- // Relative volume change, right back $xx xx (xx ...) // c
- // Relative volume change, left back $xx xx (xx ...) // d
- // Peak volume right back $xx xx (xx ...)
- // Peak volume left back $xx xx (xx ...)
- // Relative volume change, center $xx xx (xx ...) // e
- // Peak volume center $xx xx (xx ...)
- // Relative volume change, bass $xx xx (xx ...) // f
- // Peak volume bass $xx xx (xx ...)
- if (! $this->IsWithinBitRange ( $source_data_array ['bitsvolume'], 8, false )) {
- $this->errors [] = 'Invalid Bits For Volume Description byte in ' . $frame_name . ' (' . $source_data_array ['bitsvolume'] . ') (range = 1 to 255)';
- } else {
- $incdecflag .= '00';
- $incdecflag .= $source_data_array ['incdec'] ['right'] ? '1' : '0'; // a - Relative volume change, right
- $incdecflag .= $source_data_array ['incdec'] ['left'] ? '1' : '0'; // b - Relative volume change, left
- $incdecflag .= $source_data_array ['incdec'] ['rightrear'] ? '1' : '0'; // c - Relative volume change, right back
- $incdecflag .= $source_data_array ['incdec'] ['leftrear'] ? '1' : '0'; // d - Relative volume change, left back
- $incdecflag .= $source_data_array ['incdec'] ['center'] ? '1' : '0'; // e - Relative volume change, center
- $incdecflag .= $source_data_array ['incdec'] ['bass'] ? '1' : '0'; // f - Relative volume change, bass
- $framedata .= chr ( bindec ( $incdecflag ) );
- $framedata .= chr ( $source_data_array ['bitsvolume'] );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['volumechange'] ['right'], ceil ( $source_data_array ['bitsvolume'] / 8 ), false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['volumechange'] ['left'], ceil ( $source_data_array ['bitsvolume'] / 8 ), false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['peakvolume'] ['right'], ceil ( $source_data_array ['bitsvolume'] / 8 ), false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['peakvolume'] ['left'], ceil ( $source_data_array ['bitsvolume'] / 8 ), false );
- if ($source_data_array ['volumechange'] ['rightrear'] || $source_data_array ['volumechange'] ['leftrear'] || $source_data_array ['peakvolume'] ['rightrear'] || $source_data_array ['peakvolume'] ['leftrear'] || $source_data_array ['volumechange'] ['center'] || $source_data_array ['peakvolume'] ['center'] || $source_data_array ['volumechange'] ['bass'] || $source_data_array ['peakvolume'] ['bass']) {
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['volumechange'] ['rightrear'], ceil ( $source_data_array ['bitsvolume'] / 8 ), false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['volumechange'] ['leftrear'], ceil ( $source_data_array ['bitsvolume'] / 8 ), false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['peakvolume'] ['rightrear'], ceil ( $source_data_array ['bitsvolume'] / 8 ), false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['peakvolume'] ['leftrear'], ceil ( $source_data_array ['bitsvolume'] / 8 ), false );
- }
- if ($source_data_array ['volumechange'] ['center'] || $source_data_array ['peakvolume'] ['center'] || $source_data_array ['volumechange'] ['bass'] || $source_data_array ['peakvolume'] ['bass']) {
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['volumechange'] ['center'], ceil ( $source_data_array ['bitsvolume'] / 8 ), false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['peakvolume'] ['center'], ceil ( $source_data_array ['bitsvolume'] / 8 ), false );
- }
- if ($source_data_array ['volumechange'] ['bass'] || $source_data_array ['peakvolume'] ['bass']) {
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['volumechange'] ['bass'], ceil ( $source_data_array ['bitsvolume'] / 8 ), false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['peakvolume'] ['bass'], ceil ( $source_data_array ['bitsvolume'] / 8 ), false );
- }
- }
- break;
-
- case 'EQU2' :
- // 4.12 EQU2 Equalisation (2) (ID3v2.4+ only)
- // Interpolation method $xx
- // $00 Band
- // $01 Linear
- // Identification <text string> $00
- // The following is then repeated for every adjustment point
- // Frequency $xx xx
- // Volume adjustment $xx xx
- if (($source_data_array ['interpolationmethod'] < 0) || ($source_data_array ['interpolationmethod'] > 1)) {
- $this->errors [] = 'Invalid Interpolation Method byte in ' . $frame_name . ' (' . $source_data_array ['interpolationmethod'] . ') (valid = 0 or 1)';
- } else {
- $framedata .= chr ( $source_data_array ['interpolationmethod'] );
- $framedata .= str_replace ( "\x00", '', $source_data_array ['description'] ) . "\x00";
- foreach ( $source_data_array ['data'] as $key => $val ) {
- $framedata .= getid3_lib::BigEndian2String ( intval ( round ( $key * 2 ) ), 2, false );
- $framedata .= getid3_lib::BigEndian2String ( $val, 2, false, true ); // signed 16-bit
- }
- }
- break;
-
- case 'EQUA' :
- // 4.12 EQUA Equalisation (ID3v2.3 only)
- // Adjustment bits $xx
- // This is followed by 2 bytes + ('adjustment bits' rounded up to the
- // nearest byte) for every equalisation band in the following format,
- // giving a frequency range of 0 - 32767Hz:
- // Increment/decrement %x (MSB of the Frequency)
- // Frequency (lower 15 bits)
- // Adjustment $xx (xx ...)
- if (! $this->IsWithinBitRange ( $source_data_array ['bitsvolume'], 8, false )) {
- $this->errors [] = 'Invalid Adjustment Bits byte in ' . $frame_name . ' (' . $source_data_array ['bitsvolume'] . ') (range = 1 to 255)';
- } else {
- $framedata .= chr ( $source_data_array ['adjustmentbits'] );
- foreach ( $source_data_array as $key => $val ) {
- if ($key != 'bitsvolume') {
- if (($key > 32767) || ($key < 0)) {
- $this->errors [] = 'Invalid Frequency in ' . $frame_name . ' (' . $key . ') (range = 0 to 32767)';
- } else {
- if ($val >= 0) {
- // put MSB of frequency to 1 if increment, 0 if decrement
- $key |= 0x8000;
- }
- $framedata .= getid3_lib::BigEndian2String ( $key, 2, false );
- $framedata .= getid3_lib::BigEndian2String ( $val, ceil ( $source_data_array ['adjustmentbits'] / 8 ), false );
- }
- }
- }
- }
- break;
-
- case 'RVRB' :
- // 4.13 RVRB Reverb
- // Reverb left (ms) $xx xx
- // Reverb right (ms) $xx xx
- // Reverb bounces, left $xx
- // Reverb bounces, right $xx
- // Reverb feedback, left to left $xx
- // Reverb feedback, left to right $xx
- // Reverb feedback, right to right $xx
- // Reverb feedback, right to left $xx
- // Premix left to right $xx
- // Premix right to left $xx
- if (! $this->IsWithinBitRange ( $source_data_array ['left'], 16, false )) {
- $this->errors [] = 'Invalid Reverb Left in ' . $frame_name . ' (' . $source_data_array ['left'] . ') (range = 0 to 65535)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['right'], 16, false )) {
- $this->errors [] = 'Invalid Reverb Left in ' . $frame_name . ' (' . $source_data_array ['right'] . ') (range = 0 to 65535)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['bouncesL'], 8, false )) {
- $this->errors [] = 'Invalid Reverb Bounces, Left in ' . $frame_name . ' (' . $source_data_array ['bouncesL'] . ') (range = 0 to 255)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['bouncesR'], 8, false )) {
- $this->errors [] = 'Invalid Reverb Bounces, Right in ' . $frame_name . ' (' . $source_data_array ['bouncesR'] . ') (range = 0 to 255)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['feedbackLL'], 8, false )) {
- $this->errors [] = 'Invalid Reverb Feedback, Left-To-Left in ' . $frame_name . ' (' . $source_data_array ['feedbackLL'] . ') (range = 0 to 255)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['feedbackLR'], 8, false )) {
- $this->errors [] = 'Invalid Reverb Feedback, Left-To-Right in ' . $frame_name . ' (' . $source_data_array ['feedbackLR'] . ') (range = 0 to 255)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['feedbackRR'], 8, false )) {
- $this->errors [] = 'Invalid Reverb Feedback, Right-To-Right in ' . $frame_name . ' (' . $source_data_array ['feedbackRR'] . ') (range = 0 to 255)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['feedbackRL'], 8, false )) {
- $this->errors [] = 'Invalid Reverb Feedback, Right-To-Left in ' . $frame_name . ' (' . $source_data_array ['feedbackRL'] . ') (range = 0 to 255)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['premixLR'], 8, false )) {
- $this->errors [] = 'Invalid Premix, Left-To-Right in ' . $frame_name . ' (' . $source_data_array ['premixLR'] . ') (range = 0 to 255)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['premixRL'], 8, false )) {
- $this->errors [] = 'Invalid Premix, Right-To-Left in ' . $frame_name . ' (' . $source_data_array ['premixRL'] . ') (range = 0 to 255)';
- } else {
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['left'], 2, false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['right'], 2, false );
- $framedata .= chr ( $source_data_array ['bouncesL'] );
- $framedata .= chr ( $source_data_array ['bouncesR'] );
- $framedata .= chr ( $source_data_array ['feedbackLL'] );
- $framedata .= chr ( $source_data_array ['feedbackLR'] );
- $framedata .= chr ( $source_data_array ['feedbackRR'] );
- $framedata .= chr ( $source_data_array ['feedbackRL'] );
- $framedata .= chr ( $source_data_array ['premixLR'] );
- $framedata .= chr ( $source_data_array ['premixRL'] );
- }
- break;
-
- case 'APIC' :
- // 4.14 APIC Attached picture
- // Text encoding $xx
- // MIME type <text string> $00
- // Picture type $xx
- // Description <text string according to encoding> $00 (00)
- // Picture data <binary data>
- $source_data_array ['encodingid'] = (isset ( $source_data_array ['encodingid'] ) ? $source_data_array ['encodingid'] : $this->id3v2_default_encodingid);
- if (! $this->ID3v2IsValidTextEncoding ( $source_data_array ['encodingid'] )) {
- $this->errors [] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array ['encodingid'] . ') for ID3v2.' . $this->majorversion;
- } elseif (! $this->ID3v2IsValidAPICpicturetype ( $source_data_array ['picturetypeid'] )) {
- $this->errors [] = 'Invalid Picture Type byte in ' . $frame_name . ' (' . $source_data_array ['picturetypeid'] . ') for ID3v2.' . $this->majorversion;
- } elseif (($this->majorversion >= 3) && (! $this->ID3v2IsValidAPICimageformat ( $source_data_array ['mime'] ))) {
- $this->errors [] = 'Invalid MIME Type in ' . $frame_name . ' (' . $source_data_array ['mime'] . ') for ID3v2.' . $this->majorversion;
- } elseif (($source_data_array ['mime'] == '-->') && (! $this->IsValidURL ( $source_data_array ['data'], false, false ))) {
- //$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
- // probably should be an error, need to rewrite IsValidURL() to handle other encodings
- $this->warnings [] = 'Invalid URL in ' . $frame_name . ' (' . $source_data_array ['data'] . ')';
- } else {
- $framedata .= chr ( $source_data_array ['encodingid'] );
- $framedata .= str_replace ( "\x00", '', $source_data_array ['mime'] ) . "\x00";
- $framedata .= chr ( $source_data_array ['picturetypeid'] );
- $framedata .= (! empty ( $source_data_array ['description'] ) ? $source_data_array ['description'] : '') . getid3_id3v2::TextEncodingTerminatorLookup ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['data'];
- }
- break;
-
- case 'GEOB' :
- // 4.15 GEOB General encapsulated object
- // Text encoding $xx
- // MIME type <text string> $00
- // Filename <text string according to encoding> $00 (00)
- // Content description <text string according to encoding> $00 (00)
- // Encapsulated object <binary data>
- $source_data_array ['encodingid'] = (isset ( $source_data_array ['encodingid'] ) ? $source_data_array ['encodingid'] : $this->id3v2_default_encodingid);
- if (! $this->ID3v2IsValidTextEncoding ( $source_data_array ['encodingid'] )) {
- $this->errors [] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array ['encodingid'] . ') for ID3v2.' . $this->majorversion;
- } elseif (! $this->IsValidMIMEstring ( $source_data_array ['mime'] )) {
- $this->errors [] = 'Invalid MIME Type in ' . $frame_name . ' (' . $source_data_array ['mime'] . ')';
- } elseif (! $source_data_array ['description']) {
- $this->errors [] = 'Missing Description in ' . $frame_name;
- } else {
- $framedata .= chr ( $source_data_array ['encodingid'] );
- $framedata .= str_replace ( "\x00", '', $source_data_array ['mime'] ) . "\x00";
- $framedata .= $source_data_array ['filename'] . getid3_id3v2::TextEncodingTerminatorLookup ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['description'] . getid3_id3v2::TextEncodingTerminatorLookup ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['data'];
- }
- break;
-
- case 'PCNT' :
- // 4.16 PCNT Play counter
- // When the counter reaches all one's, one byte is inserted in
- // front of the counter thus making the counter eight bits bigger
- // Counter $xx xx xx xx (xx ...)
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['data'], 4, false );
- break;
-
- case 'POPM' :
- // 4.17 POPM Popularimeter
- // When the counter reaches all one's, one byte is inserted in
- // front of the counter thus making the counter eight bits bigger
- // Email to user <text string> $00
- // Rating $xx
- // Counter $xx xx xx xx (xx ...)
- if (! $this->IsWithinBitRange ( $source_data_array ['rating'], 8, false )) {
- $this->errors [] = 'Invalid Rating byte in ' . $frame_name . ' (' . $source_data_array ['rating'] . ') (range = 0 to 255)';
- } elseif (! IsValidEmail ( $source_data_array ['email'] )) {
- $this->errors [] = 'Invalid Email in ' . $frame_name . ' (' . $source_data_array ['email'] . ')';
- } else {
- $framedata .= str_replace ( "\x00", '', $source_data_array ['email'] ) . "\x00";
- $framedata .= chr ( $source_data_array ['rating'] );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['data'], 4, false );
- }
- break;
-
- case 'RBUF' :
- // 4.18 RBUF Recommended buffer size
- // Buffer size $xx xx xx
- // Embedded info flag %0000000x
- // Offset to next tag $xx xx xx xx
- if (! $this->IsWithinBitRange ( $source_data_array ['buffersize'], 24, false )) {
- $this->errors [] = 'Invalid Buffer Size in ' . $frame_name;
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['nexttagoffset'], 32, false )) {
- $this->errors [] = 'Invalid Offset To Next Tag in ' . $frame_name;
- } else {
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['buffersize'], 3, false );
- $flag .= '0000000';
- $flag .= $source_data_array ['flags'] ['embededinfo'] ? '1' : '0';
- $framedata .= chr ( bindec ( $flag ) );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['nexttagoffset'], 4, false );
- }
- break;
-
- case 'AENC' :
- // 4.19 AENC Audio encryption
- // Owner identifier <text string> $00
- // Preview start $xx xx
- // Preview length $xx xx
- // Encryption info <binary data>
- if (! $this->IsWithinBitRange ( $source_data_array ['previewstart'], 16, false )) {
- $this->errors [] = 'Invalid Preview Start in ' . $frame_name . ' (' . $source_data_array ['previewstart'] . ')';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['previewlength'], 16, false )) {
- $this->errors [] = 'Invalid Preview Length in ' . $frame_name . ' (' . $source_data_array ['previewlength'] . ')';
- } else {
- $framedata .= str_replace ( "\x00", '', $source_data_array ['ownerid'] ) . "\x00";
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['previewstart'], 2, false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['previewlength'], 2, false );
- $framedata .= $source_data_array ['encryptioninfo'];
- }
- break;
-
- case 'LINK' :
- // 4.20 LINK Linked information
- // Frame identifier $xx xx xx xx
- // URL <text string> $00
- // ID and additional data <text string(s)>
- if (! getid3_id3v2::IsValidID3v2FrameName ( $source_data_array ['frameid'], $this->majorversion )) {
- $this->errors [] = 'Invalid Frame Identifier in ' . $frame_name . ' (' . $source_data_array ['frameid'] . ')';
- } elseif (! $this->IsValidURL ( $source_data_array ['data'], true, false )) {
- //$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
- // probably should be an error, need to rewrite IsValidURL() to handle other encodings
- $this->warnings [] = 'Invalid URL in ' . $frame_name . ' (' . $source_data_array ['data'] . ')';
- } elseif ((($source_data_array ['frameid'] == 'AENC') || ($source_data_array ['frameid'] == 'APIC') || ($source_data_array ['frameid'] == 'GEOB') || ($source_data_array ['frameid'] == 'TXXX')) && ($source_data_array ['additionaldata'] == '')) {
- $this->errors [] = 'Content Descriptor must be specified as additional data for Frame Identifier of ' . $source_data_array ['frameid'] . ' in ' . $frame_name;
- } elseif (($source_data_array ['frameid'] == 'USER') && (getid3_id3v2::LanguageLookup ( $source_data_array ['additionaldata'], true ) == '')) {
- $this->errors [] = 'Language must be specified as additional data for Frame Identifier of ' . $source_data_array ['frameid'] . ' in ' . $frame_name;
- } elseif (($source_data_array ['frameid'] == 'PRIV') && ($source_data_array ['additionaldata'] == '')) {
- $this->errors [] = 'Owner Identifier must be specified as additional data for Frame Identifier of ' . $source_data_array ['frameid'] . ' in ' . $frame_name;
- } elseif ((($source_data_array ['frameid'] == 'COMM') || ($source_data_array ['frameid'] == 'SYLT') || ($source_data_array ['frameid'] == 'USLT')) && ((getid3_id3v2::LanguageLookup ( substr ( $source_data_array ['additionaldata'], 0, 3 ), true ) == '') || (substr ( $source_data_array ['additionaldata'], 3 ) == ''))) {
- $this->errors [] = 'Language followed by Content Descriptor must be specified as additional data for Frame Identifier of ' . $source_data_array ['frameid'] . ' in ' . $frame_name;
- } else {
- $framedata .= $source_data_array ['frameid'];
- $framedata .= str_replace ( "\x00", '', $source_data_array ['data'] ) . "\x00";
- switch ($source_data_array ['frameid']) {
- case 'COMM' :
- case 'SYLT' :
- case 'USLT' :
- case 'PRIV' :
- case 'USER' :
- case 'AENC' :
- case 'APIC' :
- case 'GEOB' :
- case 'TXXX' :
- $framedata .= $source_data_array ['additionaldata'];
- break;
- case 'ASPI' :
- case 'ETCO' :
- case 'EQU2' :
- case 'MCID' :
- case 'MLLT' :
- case 'OWNE' :
- case 'RVA2' :
- case 'RVRB' :
- case 'SYTC' :
- case 'IPLS' :
- case 'RVAD' :
- case 'EQUA' :
- // no additional data required
- break;
- case 'RBUF' :
- if ($this->majorversion == 3) {
- // no additional data required
- } else {
- $this->errors [] = $source_data_array ['frameid'] . ' is not a valid Frame Identifier in ' . $frame_name . ' (in ID3v2.' . $this->majorversion . ')';
- }
-
- default :
- if ((substr ( $source_data_array ['frameid'], 0, 1 ) == 'T') || (substr ( $source_data_array ['frameid'], 0, 1 ) == 'W')) {
- // no additional data required
- } else {
- $this->errors [] = $source_data_array ['frameid'] . ' is not a valid Frame Identifier in ' . $frame_name . ' (in ID3v2.' . $this->majorversion . ')';
- }
- break;
- }
- }
- break;
-
- case 'POSS' :
- // 4.21 POSS Position synchronisation frame (ID3v2.3+ only)
- // Time stamp format $xx
- // Position $xx (xx ...)
- if (($source_data_array ['timestampformat'] < 1) || ($source_data_array ['timestampformat'] > 2)) {
- $this->errors [] = 'Invalid Time Stamp Format in ' . $frame_name . ' (' . $source_data_array ['timestampformat'] . ') (valid = 1 or 2)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['position'], 32, false )) {
- $this->errors [] = 'Invalid Position in ' . $frame_name . ' (' . $source_data_array ['position'] . ') (range = 0 to 4294967295)';
- } else {
- $framedata .= chr ( $source_data_array ['timestampformat'] );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['position'], 4, false );
- }
- break;
-
- case 'USER' :
- // 4.22 USER Terms of use (ID3v2.3+ only)
- // Text encoding $xx
- // Language $xx xx xx
- // The actual text <text string according to encoding>
- $source_data_array ['encodingid'] = (isset ( $source_data_array ['encodingid'] ) ? $source_data_array ['encodingid'] : $this->id3v2_default_encodingid);
- if (! $this->ID3v2IsValidTextEncoding ( $source_data_array ['encodingid'] )) {
- $this->errors [] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array ['encodingid'] . ')';
- } elseif (getid3_id3v2::LanguageLookup ( $source_data_array ['language'], true ) == '') {
- $this->errors [] = 'Invalid Language in ' . $frame_name . ' (' . $source_data_array ['language'] . ')';
- } else {
- $framedata .= chr ( $source_data_array ['encodingid'] );
- $framedata .= strtolower ( $source_data_array ['language'] );
- $framedata .= $source_data_array ['data'];
- }
- break;
-
- case 'OWNE' :
- // 4.23 OWNE Ownership frame (ID3v2.3+ only)
- // Text encoding $xx
- // Price paid <text string> $00
- // Date of purch. <text string>
- // Seller <text string according to encoding>
- $source_data_array ['encodingid'] = (isset ( $source_data_array ['encodingid'] ) ? $source_data_array ['encodingid'] : $this->id3v2_default_encodingid);
- if (! $this->ID3v2IsValidTextEncoding ( $source_data_array ['encodingid'] )) {
- $this->errors [] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array ['encodingid'] . ')';
- } elseif (! $this->IsANumber ( $source_data_array ['pricepaid'] ['value'], false )) {
- $this->errors [] = 'Invalid Price Paid in ' . $frame_name . ' (' . $source_data_array ['pricepaid'] ['value'] . ')';
- } elseif (! $this->IsValidDateStampString ( $source_data_array ['purchasedate'] )) {
- $this->errors [] = 'Invalid Date Of Purchase in ' . $frame_name . ' (' . $source_data_array ['purchasedate'] . ') (format = YYYYMMDD)';
- } else {
- $framedata .= chr ( $source_data_array ['encodingid'] );
- $framedata .= str_replace ( "\x00", '', $source_data_array ['pricepaid'] ['value'] ) . "\x00";
- $framedata .= $source_data_array ['purchasedate'];
- $framedata .= $source_data_array ['seller'];
- }
- break;
-
- case 'COMR' :
- // 4.24 COMR Commercial frame (ID3v2.3+ only)
- // Text encoding $xx
- // Price string <text string> $00
- // Valid until <text string>
- // Contact URL <text string> $00
- // Received as $xx
- // Name of seller <text string according to encoding> $00 (00)
- // Description <text string according to encoding> $00 (00)
- // Picture MIME type <string> $00
- // Seller logo <binary data>
- $source_data_array ['encodingid'] = (isset ( $source_data_array ['encodingid'] ) ? $source_data_array ['encodingid'] : $this->id3v2_default_encodingid);
- if (! $this->ID3v2IsValidTextEncoding ( $source_data_array ['encodingid'] )) {
- $this->errors [] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array ['encodingid'] . ')';
- } elseif (! $this->IsValidDateStampString ( $source_data_array ['pricevaliduntil'] )) {
- $this->errors [] = 'Invalid Valid Until date in ' . $frame_name . ' (' . $source_data_array ['pricevaliduntil'] . ') (format = YYYYMMDD)';
- } elseif (! $this->IsValidURL ( $source_data_array ['contacturl'], false, true )) {
- $this->errors [] = 'Invalid Contact URL in ' . $frame_name . ' (' . $source_data_array ['contacturl'] . ') (allowed schemes: http, https, ftp, mailto)';
- } elseif (! $this->ID3v2IsValidCOMRreceivedAs ( $source_data_array ['receivedasid'] )) {
- $this->errors [] = 'Invalid Received As byte in ' . $frame_name . ' (' . $source_data_array ['contacturl'] . ') (range = 0 to 8)';
- } elseif (! $this->IsValidMIMEstring ( $source_data_array ['mime'] )) {
- $this->errors [] = 'Invalid MIME Type in ' . $frame_name . ' (' . $source_data_array ['mime'] . ')';
- } else {
- $framedata .= chr ( $source_data_array ['encodingid'] );
- unset ( $pricestring );
- foreach ( $source_data_array ['price'] as $key => $val ) {
- if ($this->ID3v2IsValidPriceString ( $key . $val ['value'] )) {
- $pricestrings [] = $key . $val ['value'];
- } else {
- $this->errors [] = 'Invalid Price String in ' . $frame_name . ' (' . $key . $val ['value'] . ')';
- }
- }
- $framedata .= implode ( '/', $pricestrings );
- $framedata .= $source_data_array ['pricevaliduntil'];
- $framedata .= str_replace ( "\x00", '', $source_data_array ['contacturl'] ) . "\x00";
- $framedata .= chr ( $source_data_array ['receivedasid'] );
- $framedata .= $source_data_array ['sellername'] . getid3_id3v2::TextEncodingTerminatorLookup ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['description'] . getid3_id3v2::TextEncodingTerminatorLookup ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['mime'] . "\x00";
- $framedata .= $source_data_array ['logo'];
- }
- break;
-
- case 'ENCR' :
- // 4.25 ENCR Encryption method registration (ID3v2.3+ only)
- // Owner identifier <text string> $00
- // Method symbol $xx
- // Encryption data <binary data>
- if (! $this->IsWithinBitRange ( $source_data_array ['methodsymbol'], 8, false )) {
- $this->errors [] = 'Invalid Group Symbol in ' . $frame_name . ' (' . $source_data_array ['methodsymbol'] . ') (range = 0 to 255)';
- } else {
- $framedata .= str_replace ( "\x00", '', $source_data_array ['ownerid'] ) . "\x00";
- $framedata .= ord ( $source_data_array ['methodsymbol'] );
- $framedata .= $source_data_array ['data'];
- }
- break;
-
- case 'GRID' :
- // 4.26 GRID Group identification registration (ID3v2.3+ only)
- // Owner identifier <text string> $00
- // Group symbol $xx
- // Group dependent data <binary data>
- if (! $this->IsWithinBitRange ( $source_data_array ['groupsymbol'], 8, false )) {
- $this->errors [] = 'Invalid Group Symbol in ' . $frame_name . ' (' . $source_data_array ['groupsymbol'] . ') (range = 0 to 255)';
- } else {
- $framedata .= str_replace ( "\x00", '', $source_data_array ['ownerid'] ) . "\x00";
- $framedata .= ord ( $source_data_array ['groupsymbol'] );
- $framedata .= $source_data_array ['data'];
- }
- break;
-
- case 'PRIV' :
- // 4.27 PRIV Private frame (ID3v2.3+ only)
- // Owner identifier <text string> $00
- // The private data <binary data>
- $framedata .= str_replace ( "\x00", '', $source_data_array ['ownerid'] ) . "\x00";
- $framedata .= $source_data_array ['data'];
- break;
-
- case 'SIGN' :
- // 4.28 SIGN Signature frame (ID3v2.4+ only)
- // Group symbol $xx
- // Signature <binary data>
- if (! $this->IsWithinBitRange ( $source_data_array ['groupsymbol'], 8, false )) {
- $this->errors [] = 'Invalid Group Symbol in ' . $frame_name . ' (' . $source_data_array ['groupsymbol'] . ') (range = 0 to 255)';
- } else {
- $framedata .= ord ( $source_data_array ['groupsymbol'] );
- $framedata .= $source_data_array ['data'];
- }
- break;
-
- case 'SEEK' :
- // 4.29 SEEK Seek frame (ID3v2.4+ only)
- // Minimum offset to next tag $xx xx xx xx
- if (! $this->IsWithinBitRange ( $source_data_array ['data'], 32, false )) {
- $this->errors [] = 'Invalid Minimum Offset in ' . $frame_name . ' (' . $source_data_array ['data'] . ') (range = 0 to 4294967295)';
- } else {
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['data'], 4, false );
- }
- break;
-
- case 'ASPI' :
- // 4.30 ASPI Audio seek point index (ID3v2.4+ only)
- // Indexed data start (S) $xx xx xx xx
- // Indexed data length (L) $xx xx xx xx
- // Number of index points (N) $xx xx
- // Bits per index point (b) $xx
- // Then for every index point the following data is included:
- // Fraction at index (Fi) $xx (xx)
- if (! $this->IsWithinBitRange ( $source_data_array ['datastart'], 32, false )) {
- $this->errors [] = 'Invalid Indexed Data Start in ' . $frame_name . ' (' . $source_data_array ['datastart'] . ') (range = 0 to 4294967295)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['datalength'], 32, false )) {
- $this->errors [] = 'Invalid Indexed Data Length in ' . $frame_name . ' (' . $source_data_array ['datalength'] . ') (range = 0 to 4294967295)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['indexpoints'], 16, false )) {
- $this->errors [] = 'Invalid Number Of Index Points in ' . $frame_name . ' (' . $source_data_array ['indexpoints'] . ') (range = 0 to 65535)';
- } elseif (! $this->IsWithinBitRange ( $source_data_array ['bitsperpoint'], 8, false )) {
- $this->errors [] = 'Invalid Bits Per Index Point in ' . $frame_name . ' (' . $source_data_array ['bitsperpoint'] . ') (range = 0 to 255)';
- } elseif ($source_data_array ['indexpoints'] != count ( $source_data_array ['indexes'] )) {
- $this->errors [] = 'Number Of Index Points does not match actual supplied data in ' . $frame_name;
- } else {
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['datastart'], 4, false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['datalength'], 4, false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['indexpoints'], 2, false );
- $framedata .= getid3_lib::BigEndian2String ( $source_data_array ['bitsperpoint'], 1, false );
- foreach ( $source_data_array ['indexes'] as $key => $val ) {
- $framedata .= getid3_lib::BigEndian2String ( $val, ceil ( $source_data_array ['bitsperpoint'] / 8 ), false );
- }
- }
- break;
-
- case 'RGAD' :
- // RGAD Replay Gain Adjustment
- // http://privatewww.essex.ac.uk/~djmrob/replaygain/
- // Peak Amplitude $xx $xx $xx $xx
- // Radio Replay Gain Adjustment %aaabbbcd %dddddddd
- // Audiophile Replay Gain Adjustment %aaabbbcd %dddddddd
- // a - name code
- // b - originator code
- // c - sign bit
- // d - replay gain adjustment
-
- if (($source_data_array ['track_adjustment'] > 51) || ($source_data_array ['track_adjustment'] < - 51)) {
- $this->errors [] = 'Invalid Track Adjustment in ' . $frame_name . ' (' . $source_data_array ['track_adjustment'] . ') (range = -51.0 to +51.0)';
- } elseif (($source_data_array ['album_adjustment'] > 51) || ($source_data_array ['album_adjustment'] < - 51)) {
- $this->errors [] = 'Invalid Album Adjustment in ' . $frame_name . ' (' . $source_data_array ['album_adjustment'] . ') (range = -51.0 to +51.0)';
- } elseif (! $this->ID3v2IsValidRGADname ( $source_data_array ['raw'] ['track_name'] )) {
- $this->errors [] = 'Invalid Track Name Code in ' . $frame_name . ' (' . $source_data_array ['raw'] ['track_name'] . ') (range = 0 to 2)';
- } elseif (! $this->ID3v2IsValidRGADname ( $source_data_array ['raw'] ['album_name'] )) {
- $this->errors [] = 'Invalid Album Name Code in ' . $frame_name . ' (' . $source_data_array ['raw'] ['album_name'] . ') (range = 0 to 2)';
- } elseif (! $this->ID3v2IsValidRGADoriginator ( $source_data_array ['raw'] ['track_originator'] )) {
- $this->errors [] = 'Invalid Track Originator Code in ' . $frame_name . ' (' . $source_data_array ['raw'] ['track_originator'] . ') (range = 0 to 3)';
- } elseif (! $this->ID3v2IsValidRGADoriginator ( $source_data_array ['raw'] ['album_originator'] )) {
- $this->errors [] = 'Invalid Album Originator Code in ' . $frame_name . ' (' . $source_data_array ['raw'] ['album_originator'] . ') (range = 0 to 3)';
- } else {
- $framedata .= getid3_lib::Float2String ( $source_data_array ['peakamplitude'], 32 );
- $framedata .= getid3_lib::RGADgainString ( $source_data_array ['raw'] ['track_name'], $source_data_array ['raw'] ['track_originator'], $source_data_array ['track_adjustment'] );
- $framedata .= getid3_lib::RGADgainString ( $source_data_array ['raw'] ['album_name'], $source_data_array ['raw'] ['album_originator'], $source_data_array ['album_adjustment'] );
- }
- break;
-
- default :
- if ((($this->majorversion == 2) && (strlen ( $frame_name ) != 3)) || (($this->majorversion > 2) && (strlen ( $frame_name ) != 4))) {
- $this->errors [] = 'Invalid frame name "' . $frame_name . '" for ID3v2.' . $this->majorversion;
- } elseif ($frame_name {0} == 'T') {
- // 4.2. T??? Text information frames
- // Text encoding $xx
- // Information <text string(s) according to encoding>
- $source_data_array ['encodingid'] = (isset ( $source_data_array ['encodingid'] ) ? $source_data_array ['encodingid'] : $this->id3v2_default_encodingid);
- if (! $this->ID3v2IsValidTextEncoding ( $source_data_array ['encodingid'] )) {
- $this->errors [] = 'Invalid Text Encoding in ' . $frame_name . ' (' . $source_data_array ['encodingid'] . ') for ID3v2.' . $this->majorversion;
- } else {
- $framedata .= chr ( $source_data_array ['encodingid'] );
- $framedata .= $source_data_array ['data'];
- }
- } elseif ($frame_name {0} == 'W') {
- // 4.3. W??? URL link frames
- // URL <text string>
- if (! $this->IsValidURL ( $source_data_array ['data'], false, false )) {
- //$this->errors[] = 'Invalid URL in '.$frame_name.' ('.$source_data_array['data'].')';
- // probably should be an error, need to rewrite IsValidURL() to handle other encodings
- $this->warnings [] = 'Invalid URL in ' . $frame_name . ' (' . $source_data_array ['data'] . ')';
- } else {
- $framedata .= $source_data_array ['data'];
- }
- } else {
- $this->errors [] = $frame_name . ' not yet supported in $this->GenerateID3v2FrameData()';
- }
- break;
- }
- }
- if (! empty ( $this->errors )) {
- return false;
- }
- return $framedata;
- }
-
- function ID3v2FrameIsAllowed($frame_name, $source_data_array) {
- static $PreviousFrames = array ();
-
- if ($frame_name === null) {
- // if the writing functions are called multiple times, the static array needs to be
- // cleared - this can be done by calling $this->ID3v2FrameIsAllowed(null, '')
- $PreviousFrames = array ();
- return true;
- }
-
- if ($this->majorversion == 4) {
- switch ($frame_name) {
- case 'UFID' :
- case 'AENC' :
- case 'ENCR' :
- case 'GRID' :
- if (! isset ( $source_data_array ['ownerid'] )) {
- $this->errors [] = '[ownerid] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['ownerid'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same OwnerID (' . $source_data_array ['ownerid'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['ownerid'];
- }
- break;
-
- case 'TXXX' :
- case 'WXXX' :
- case 'RVA2' :
- case 'EQU2' :
- case 'APIC' :
- case 'GEOB' :
- if (! isset ( $source_data_array ['description'] )) {
- $this->errors [] = '[description] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['description'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same Description (' . $source_data_array ['description'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['description'];
- }
- break;
-
- case 'USER' :
- if (! isset ( $source_data_array ['language'] )) {
- $this->errors [] = '[language] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['language'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same Language (' . $source_data_array ['language'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['language'];
- }
- break;
-
- case 'USLT' :
- case 'SYLT' :
- case 'COMM' :
- if (! isset ( $source_data_array ['language'] )) {
- $this->errors [] = '[language] not specified for ' . $frame_name;
- } elseif (! isset ( $source_data_array ['description'] )) {
- $this->errors [] = '[description] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['language'] . $source_data_array ['description'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same Language + Description (' . $source_data_array ['language'] . ' + ' . $source_data_array ['description'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['language'] . $source_data_array ['description'];
- }
- break;
-
- case 'POPM' :
- if (! isset ( $source_data_array ['email'] )) {
- $this->errors [] = '[email] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['email'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same Email (' . $source_data_array ['email'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['email'];
- }
- break;
-
- case 'IPLS' :
- case 'MCDI' :
- case 'ETCO' :
- case 'MLLT' :
- case 'SYTC' :
- case 'RVRB' :
- case 'PCNT' :
- case 'RBUF' :
- case 'POSS' :
- case 'OWNE' :
- case 'SEEK' :
- case 'ASPI' :
- case 'RGAD' :
- if (in_array ( $frame_name, $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed';
- } else {
- $PreviousFrames [] = $frame_name;
- }
- break;
-
- case 'LINK' :
- // this isn't implemented quite right (yet) - it should check the target frame data for compliance
- // but right now it just allows one linked frame of each type, to be safe.
- if (! isset ( $source_data_array ['frameid'] )) {
- $this->errors [] = '[frameid] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['frameid'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same FrameID (' . $source_data_array ['frameid'] . ')';
- } elseif (in_array ( $source_data_array ['frameid'], $PreviousFrames )) {
- // no links to singleton tags
- $this->errors [] = 'Cannot specify a ' . $frame_name . ' tag to a singleton tag that already exists (' . $source_data_array ['frameid'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['frameid']; // only one linked tag of this type
- $PreviousFrames [] = $source_data_array ['frameid']; // no non-linked singleton tags of this type
- }
- break;
-
- case 'COMR' :
- // There may be more than one 'commercial frame' in a tag, but no two may be identical
- // Checking isn't implemented at all (yet) - just assumes that it's OK.
- break;
-
- case 'PRIV' :
- case 'SIGN' :
- if (! isset ( $source_data_array ['ownerid'] )) {
- $this->errors [] = '[ownerid] not specified for ' . $frame_name;
- } elseif (! isset ( $source_data_array ['data'] )) {
- $this->errors [] = '[data] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['ownerid'] . $source_data_array ['data'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same OwnerID + Data (' . $source_data_array ['ownerid'] . ' + ' . $source_data_array ['data'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['ownerid'] . $source_data_array ['data'];
- }
- break;
-
- default :
- if (($frame_name {0} != 'T') && ($frame_name {0} != 'W')) {
- $this->errors [] = 'Frame not allowed in ID3v2.' . $this->majorversion . ': ' . $frame_name;
- }
- break;
- }
-
- } elseif ($this->majorversion == 3) {
-
- switch ($frame_name) {
- case 'UFID' :
- case 'AENC' :
- case 'ENCR' :
- case 'GRID' :
- if (! isset ( $source_data_array ['ownerid'] )) {
- $this->errors [] = '[ownerid] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['ownerid'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same OwnerID (' . $source_data_array ['ownerid'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['ownerid'];
- }
- break;
-
- case 'TXXX' :
- case 'WXXX' :
- case 'APIC' :
- case 'GEOB' :
- if (! isset ( $source_data_array ['description'] )) {
- $this->errors [] = '[description] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['description'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same Description (' . $source_data_array ['description'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['description'];
- }
- break;
-
- case 'USER' :
- if (! isset ( $source_data_array ['language'] )) {
- $this->errors [] = '[language] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['language'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same Language (' . $source_data_array ['language'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['language'];
- }
- break;
-
- case 'USLT' :
- case 'SYLT' :
- case 'COMM' :
- if (! isset ( $source_data_array ['language'] )) {
- $this->errors [] = '[language] not specified for ' . $frame_name;
- } elseif (! isset ( $source_data_array ['description'] )) {
- $this->errors [] = '[description] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['language'] . $source_data_array ['description'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same Language + Description (' . $source_data_array ['language'] . ' + ' . $source_data_array ['description'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['language'] . $source_data_array ['description'];
- }
- break;
-
- case 'POPM' :
- if (! isset ( $source_data_array ['email'] )) {
- $this->errors [] = '[email] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['email'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same Email (' . $source_data_array ['email'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['email'];
- }
- break;
-
- case 'IPLS' :
- case 'MCDI' :
- case 'ETCO' :
- case 'MLLT' :
- case 'SYTC' :
- case 'RVAD' :
- case 'EQUA' :
- case 'RVRB' :
- case 'PCNT' :
- case 'RBUF' :
- case 'POSS' :
- case 'OWNE' :
- case 'RGAD' :
- if (in_array ( $frame_name, $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed';
- } else {
- $PreviousFrames [] = $frame_name;
- }
- break;
-
- case 'LINK' :
- // this isn't implemented quite right (yet) - it should check the target frame data for compliance
- // but right now it just allows one linked frame of each type, to be safe.
- if (! isset ( $source_data_array ['frameid'] )) {
- $this->errors [] = '[frameid] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['frameid'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same FrameID (' . $source_data_array ['frameid'] . ')';
- } elseif (in_array ( $source_data_array ['frameid'], $PreviousFrames )) {
- // no links to singleton tags
- $this->errors [] = 'Cannot specify a ' . $frame_name . ' tag to a singleton tag that already exists (' . $source_data_array ['frameid'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['frameid']; // only one linked tag of this type
- $PreviousFrames [] = $source_data_array ['frameid']; // no non-linked singleton tags of this type
- }
- break;
-
- case 'COMR' :
- // There may be more than one 'commercial frame' in a tag, but no two may be identical
- // Checking isn't implemented at all (yet) - just assumes that it's OK.
- break;
-
- case 'PRIV' :
- if (! isset ( $source_data_array ['ownerid'] )) {
- $this->errors [] = '[ownerid] not specified for ' . $frame_name;
- } elseif (! isset ( $source_data_array ['data'] )) {
- $this->errors [] = '[data] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['ownerid'] . $source_data_array ['data'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same OwnerID + Data (' . $source_data_array ['ownerid'] . ' + ' . $source_data_array ['data'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['ownerid'] . $source_data_array ['data'];
- }
- break;
-
- default :
- if (($frame_name {0} != 'T') && ($frame_name {0} != 'W')) {
- $this->errors [] = 'Frame not allowed in ID3v2.' . $this->majorversion . ': ' . $frame_name;
- }
- break;
- }
-
- } elseif ($this->majorversion == 2) {
-
- switch ($frame_name) {
- case 'UFI' :
- case 'CRM' :
- case 'CRA' :
- if (! isset ( $source_data_array ['ownerid'] )) {
- $this->errors [] = '[ownerid] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['ownerid'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same OwnerID (' . $source_data_array ['ownerid'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['ownerid'];
- }
- break;
-
- case 'TXX' :
- case 'WXX' :
- case 'PIC' :
- case 'GEO' :
- if (! isset ( $source_data_array ['description'] )) {
- $this->errors [] = '[description] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['description'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same Description (' . $source_data_array ['description'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['description'];
- }
- break;
-
- case 'ULT' :
- case 'SLT' :
- case 'COM' :
- if (! isset ( $source_data_array ['language'] )) {
- $this->errors [] = '[language] not specified for ' . $frame_name;
- } elseif (! isset ( $source_data_array ['description'] )) {
- $this->errors [] = '[description] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['language'] . $source_data_array ['description'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same Language + Description (' . $source_data_array ['language'] . ' + ' . $source_data_array ['description'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['language'] . $source_data_array ['description'];
- }
- break;
-
- case 'POP' :
- if (! isset ( $source_data_array ['email'] )) {
- $this->errors [] = '[email] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['email'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same Email (' . $source_data_array ['email'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['email'];
- }
- break;
-
- case 'IPL' :
- case 'MCI' :
- case 'ETC' :
- case 'MLL' :
- case 'STC' :
- case 'RVA' :
- case 'EQU' :
- case 'REV' :
- case 'CNT' :
- case 'BUF' :
- if (in_array ( $frame_name, $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed';
- } else {
- $PreviousFrames [] = $frame_name;
- }
- break;
-
- case 'LNK' :
- // this isn't implemented quite right (yet) - it should check the target frame data for compliance
- // but right now it just allows one linked frame of each type, to be safe.
- if (! isset ( $source_data_array ['frameid'] )) {
- $this->errors [] = '[frameid] not specified for ' . $frame_name;
- } elseif (in_array ( $frame_name . $source_data_array ['frameid'], $PreviousFrames )) {
- $this->errors [] = 'Only one ' . $frame_name . ' tag allowed with the same FrameID (' . $source_data_array ['frameid'] . ')';
- } elseif (in_array ( $source_data_array ['frameid'], $PreviousFrames )) {
- // no links to singleton tags
- $this->errors [] = 'Cannot specify a ' . $frame_name . ' tag to a singleton tag that already exists (' . $source_data_array ['frameid'] . ')';
- } else {
- $PreviousFrames [] = $frame_name . $source_data_array ['frameid']; // only one linked tag of this type
- $PreviousFrames [] = $source_data_array ['frameid']; // no non-linked singleton tags of this type
- }
- break;
-
- default :
- if (($frame_name {0} != 'T') && ($frame_name {0} != 'W')) {
- $this->errors [] = 'Frame not allowed in ID3v2.' . $this->majorversion . ': ' . $frame_name;
- }
- break;
- }
- }
-
- if (! empty ( $this->errors )) {
- return false;
- }
- return true;
- }
-
- function GenerateID3v2Tag($noerrorsonly = true) {
- $this->ID3v2FrameIsAllowed ( null, '' ); // clear static array in case this isn't the first call to $this->GenerateID3v2Tag()
-
- $tagstring = '';
- if (is_array ( $this->tag_data )) {
- foreach ( $this->tag_data as $frame_name => $frame_rawinputdata ) {
- foreach ( $frame_rawinputdata as $irrelevantindex => $source_data_array ) {
- if (getid3_id3v2::IsValidID3v2FrameName ( $frame_name, $this->majorversion )) {
- unset ( $frame_length );
- unset ( $frame_flags );
- $frame_data = false;
- if ($this->ID3v2FrameIsAllowed ( $frame_name, $source_data_array )) {
- if (($frame_data = $this->GenerateID3v2FrameData ( $frame_name, $source_data_array )) != false) {
- $FrameUnsynchronisation = false;
- if ($this->majorversion >= 4) {
- // frame-level unsynchronisation
- $unsynchdata = $frame_data;
- if ($this->id3v2_use_unsynchronisation) {
- $unsynchdata = $this->Unsynchronise ( $frame_data );
- }
- if (strlen ( $unsynchdata ) != strlen ( $frame_data )) {
- // unsynchronisation needed
- $FrameUnsynchronisation = true;
- $frame_data = $unsynchdata;
- if (isset ( $TagUnsynchronisation ) && $TagUnsynchronisation === false) {
- // only set to true if ALL frames are unsynchronised
- } else {
- $TagUnsynchronisation = true;
- }
- } else {
- if (isset ( $TagUnsynchronisation )) {
- $TagUnsynchronisation = false;
- }
- }
- unset ( $unsynchdata );
-
- $frame_length = getid3_lib::BigEndian2String ( strlen ( $frame_data ), 4, true );
- } else {
- $frame_length = getid3_lib::BigEndian2String ( strlen ( $frame_data ), 4, false );
- }
- $frame_flags = $this->GenerateID3v2FrameFlags ( $this->ID3v2FrameFlagsLookupTagAlter ( $frame_name ), $this->ID3v2FrameFlagsLookupFileAlter ( $frame_name ), false, false, false, false, $FrameUnsynchronisation, false );
- }
- } else {
- $this->errors [] = 'Frame "' . $frame_name . '" is NOT allowed';
- }
- if ($frame_data === false) {
- $this->errors [] = '$this->GenerateID3v2FrameData() failed for "' . $frame_name . '"';
- if ($noerrorsonly) {
- return false;
- } else {
- unset ( $frame_name );
- }
- }
- } else {
- // ignore any invalid frame names, including 'title', 'header', etc
- $this->warnings [] = 'Ignoring invalid ID3v2 frame type: "' . $frame_name . '"';
- unset ( $frame_name );
- unset ( $frame_length );
- unset ( $frame_flags );
- unset ( $frame_data );
- }
- if (isset ( $frame_name ) && isset ( $frame_length ) && isset ( $frame_flags ) && isset ( $frame_data )) {
- $tagstring .= $frame_name . $frame_length . $frame_flags . $frame_data;
- }
- }
- }
-
- if (! isset ( $TagUnsynchronisation )) {
- $TagUnsynchronisation = false;
- }
- if (($this->majorversion <= 3) && $this->id3v2_use_unsynchronisation) {
- // tag-level unsynchronisation
- $unsynchdata = $this->Unsynchronise ( $tagstring );
- if (strlen ( $unsynchdata ) != strlen ( $tagstring )) {
- // unsynchronisation needed
- $TagUnsynchronisation = true;
- $tagstring = $unsynchdata;
- }
- }
-
- while ( $this->paddedlength < (strlen ( $tagstring ) + getid3_id3v2::ID3v2HeaderLength ( $this->majorversion )) ) {
- $this->paddedlength += 1024;
- }
-
- $footer = false; // ID3v2 footers not yet supported in getID3()
- if (! $footer && ($this->paddedlength > (strlen ( $tagstring ) + getid3_id3v2::ID3v2HeaderLength ( $this->majorversion )))) {
- // pad up to $paddedlength bytes if unpadded tag is shorter than $paddedlength
- // "Furthermore it MUST NOT have any padding when a tag footer is added to the tag."
- if (($this->paddedlength - strlen ( $tagstring ) - getid3_id3v2::ID3v2HeaderLength ( $this->majorversion )) > 0) {
- $tagstring .= str_repeat ( "\x00", $this->paddedlength - strlen ( $tagstring ) - getid3_id3v2::ID3v2HeaderLength ( $this->majorversion ) );
- }
- }
- if ($this->id3v2_use_unsynchronisation && (substr ( $tagstring, strlen ( $tagstring ) - 1, 1 ) == "\xFF")) {
- // special unsynchronisation case:
- // if last byte == $FF then appended a $00
- $TagUnsynchronisation = true;
- $tagstring .= "\x00";
- }
-
- $tagheader = 'ID3';
- $tagheader .= chr ( $this->majorversion );
- $tagheader .= chr ( $this->minorversion );
- $tagheader .= $this->GenerateID3v2TagFlags ( array (
- 'unsynchronisation' => $TagUnsynchronisation ) );
- $tagheader .= getid3_lib::BigEndian2String ( strlen ( $tagstring ), 4, true );
-
- return $tagheader . $tagstring;
- }
- $this->errors [] = 'tag_data is not an array in GenerateID3v2Tag()';
- return false;
- }
-
- function ID3v2IsValidPriceString($pricestring) {
- if (getid3_id3v2::LanguageLookup ( substr ( $pricestring, 0, 3 ), true ) == '') {
- return false;
- } elseif (! $this->IsANumber ( substr ( $pricestring, 3 ), true )) {
- return false;
- }
- return true;
- }
-
- function ID3v2FrameFlagsLookupTagAlter($framename) {
- // unfinished
- switch ($framename) {
- case 'RGAD' :
- $allow = true;
- default :
- $allow = false;
- break;
- }
- return $allow;
- }
-
- function ID3v2FrameFlagsLookupFileAlter($framename) {
- // unfinished
- switch ($framename) {
- case 'RGAD' :
- return false;
- break;
-
- default :
- return false;
- break;
- }
- }
-
- function ID3v2IsValidETCOevent($eventid) {
- if (($eventid < 0) || ($eventid > 0xFF)) {
- // outside range of 1 byte
- return false;
- } elseif (($eventid >= 0xF0) && ($eventid <= 0xFC)) {
- // reserved for future use
- return false;
- } elseif (($eventid >= 0x17) && ($eventid <= 0xDF)) {
- // reserved for future use
- return false;
- } elseif (($eventid >= 0x0E) && ($eventid <= 0x16) && ($this->majorversion == 2)) {
- // not defined in ID3v2.2
- return false;
- } elseif (($eventid >= 0x15) && ($eventid <= 0x16) && ($this->majorversion == 3)) {
- // not defined in ID3v2.3
- return false;
- }
- return true;
- }
-
- function ID3v2IsValidSYLTtype($contenttype) {
- if (($contenttype >= 0) && ($contenttype <= 8) && ($this->majorversion == 4)) {
- return true;
- } elseif (($contenttype >= 0) && ($contenttype <= 6) && ($this->majorversion == 3)) {
- return true;
- }
- return false;
- }
-
- function ID3v2IsValidRVA2channeltype($channeltype) {
- if (($channeltype >= 0) && ($channeltype <= 8) && ($this->majorversion == 4)) {
- return true;
- }
- return false;
- }
-
- function ID3v2IsValidAPICpicturetype($picturetype) {
- if (($picturetype >= 0) && ($picturetype <= 0x14) && ($this->majorversion >= 2) && ($this->majorversion <= 4)) {
- return true;
- }
- return false;
- }
-
- function ID3v2IsValidAPICimageformat($imageformat) {
- if ($imageformat == '-->') {
- return true;
- } elseif ($this->majorversion == 2) {
- if ((strlen ( $imageformat ) == 3) && ($imageformat == strtoupper ( $imageformat ))) {
- return true;
- }
- } elseif (($this->majorversion == 3) || ($this->majorversion == 4)) {
- if ($this->IsValidMIMEstring ( $imageformat )) {
- return true;
- }
- }
- return false;
- }
-
- function ID3v2IsValidCOMRreceivedAs($receivedas) {
- if (($this->majorversion >= 3) && ($receivedas >= 0) && ($receivedas <= 8)) {
- return true;
- }
- return false;
- }
-
- function ID3v2IsValidRGADname($RGADname) {
- if (($RGADname >= 0) && ($RGADname <= 2)) {
- return true;
- }
- return false;
- }
-
- function ID3v2IsValidRGADoriginator($RGADoriginator) {
- if (($RGADoriginator >= 0) && ($RGADoriginator <= 3)) {
- return true;
- }
- return false;
- }
-
- function ID3v2IsValidTextEncoding($textencodingbyte) {
- static $ID3v2IsValidTextEncoding_cache = array (
- 2 => array (
- true,
- true ),
- 3 => array (
- true,
- true ),
- 4 => array (
- true,
- true,
- true,
- true ) );
- return isset ( $ID3v2IsValidTextEncoding_cache [$this->majorversion] [$textencodingbyte] );
- }
-
- function Unsynchronise($data) {
- // Whenever a false synchronisation is found within the tag, one zeroed
- // byte is inserted after the first false synchronisation byte. The
- // format of a correct sync that should be altered by ID3 encoders is as
- // follows:
- // %11111111 111xxxxx
- // And should be replaced with:
- // %11111111 00000000 111xxxxx
- // This has the side effect that all $FF 00 combinations have to be
- // altered, so they won't be affected by the decoding process. Therefore
- // all the $FF 00 combinations have to be replaced with the $FF 00 00
- // combination during the unsynchronisation.
-
- $data = str_replace ( "\xFF\x00", "\xFF\x00\x00", $data );
- $unsyncheddata = '';
- $datalength = strlen ( $data );
- for($i = 0; $i < $datalength; $i ++) {
- $thischar = $data {$i};
- $unsyncheddata .= $thischar;
- if ($thischar == "\xFF") {
- $nextchar = ord ( $data {$i + 1} );
- if (($nextchar & 0xE0) == 0xE0) {
- // previous byte = 11111111, this byte = 111?????
- $unsyncheddata .= "\x00";
- }
- }
- }
- return $unsyncheddata;
- }
-
- function is_hash($var) {
- // written by dev-nullØchristophe*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-nullØchristophe*vg
- // taken from http://www.php.net/manual/en/function.array-merge-recursive.php
- if (is_array ( $arr1 ) && is_array ( $arr2 )) {
- // the same -> merge
- $new_array = array ();
-
- if ($this->is_hash ( $arr1 ) && $this->is_hash ( $arr2 )) {
- // hashes -> merge based on keys
- $keys = array_merge ( array_keys ( $arr1 ), array_keys ( $arr2 ) );
- foreach ( $keys as $key ) {
- $new_array [$key] = $this->array_join_merge ( (isset ( $arr1 [$key] ) ? $arr1 [$key] : ''), (isset ( $arr2 [$key] ) ? $arr2 [$key] : '') );
- }
- } else {
- // two real arrays -> merge
- $new_array = array_reverse ( array_unique ( array_reverse ( array_merge ( $arr1, $arr2 ) ) ) );
- }
- return $new_array;
- } else {
- // not the same ... take new one if defined, else the old one stays
- return $arr2 ? $arr2 : $arr1;
- }
- }
-
- function IsValidMIMEstring($mimestring) {
- if ((strlen ( $mimestring ) >= 3) && (strpos ( $mimestring, '/' ) > 0) && (strpos ( $mimestring, '/' ) < (strlen ( $mimestring ) - 1))) {
- return true;
- }
- return false;
- }
-
- function IsWithinBitRange($number, $maxbits, $signed = false) {
- if ($signed) {
- if (($number > (0 - pow ( 2, $maxbits - 1 ))) && ($number <= pow ( 2, $maxbits - 1 ))) {
- return true;
- }
- } else {
- if (($number >= 0) && ($number <= pow ( 2, $maxbits ))) {
- return true;
- }
- }
- return false;
- }
-
- function safe_parse_url($url) {
- $parts = @parse_url ( $url );
- $parts ['scheme'] = (isset ( $parts ['scheme'] ) ? $parts ['scheme'] : '');
- $parts ['host'] = (isset ( $parts ['host'] ) ? $parts ['host'] : '');
- $parts ['user'] = (isset ( $parts ['user'] ) ? $parts ['user'] : '');
- $parts ['pass'] = (isset ( $parts ['pass'] ) ? $parts ['pass'] : '');
- $parts ['path'] = (isset ( $parts ['path'] ) ? $parts ['path'] : '');
- $parts ['query'] = (isset ( $parts ['query'] ) ? $parts ['query'] : '');
- return $parts;
- }
-
- function IsValidURL($url, $allowUserPass = false) {
- if ($url == '') {
- return false;
- }
- if ($allowUserPass !== true) {
- if (strstr ( $url, '@' )) {
- // in the format http://user:pass@example.com or http://user@example.com
- // but could easily be somebody incorrectly entering an email address in place of a URL
- return false;
- }
- }
- if (($parts = $this->safe_parse_url ( $url )) != false) {
- if (($parts ['scheme'] != 'http') && ($parts ['scheme'] != 'https') && ($parts ['scheme'] != 'ftp') && ($parts ['scheme'] != 'gopher')) {
- return false;
- } elseif (! preg_match ( '#^[[:alnum:]]([-.]?[0-9a-z])*\\.[a-z]{2,3}$#i', $parts ['host'], $regs ) && ! preg_match ( '#^[0-9]{1,3}(\\.[0-9]{1,3}){3}$#', $parts ['host'] )) {
- return false;
- } elseif (! preg_match ( '#^([[:alnum:]-]|[\\_])*$#i', $parts ['user'], $regs )) {
- return false;
- } elseif (! preg_match ( '#^([[:alnum:]-]|[\\_])*$#i', $parts ['pass'], $regs )) {
- return false;
- } elseif (! preg_match ( '#^[[:alnum:]/_\\.@~-]*$#i', $parts ['path'], $regs )) {
- return false;
- } elseif (! empty ( $parts ['query'] ) && ! preg_match ( '#^[[:alnum:]?&=+:;_()%\\#/,\\.-]*$#i', $parts ['query'], $regs )) {
- return false;
- } else {
- return true;
- }
- }
- return false;
- }
-
- static function ID3v2ShortFrameNameLookup($majorversion, $long_description) {
- $long_description = str_replace ( ' ', '_', strtolower ( trim ( $long_description ) ) );
- static $ID3v2ShortFrameNameLookup = array ();
- if (empty ( $ID3v2ShortFrameNameLookup )) {
-
- // The following are unique to ID3v2.2
- $ID3v2ShortFrameNameLookup [2] ['comment'] = 'COM';
- $ID3v2ShortFrameNameLookup [2] ['album'] = 'TAL';
- $ID3v2ShortFrameNameLookup [2] ['beats_per_minute'] = 'TBP';
- $ID3v2ShortFrameNameLookup [2] ['composer'] = 'TCM';
- $ID3v2ShortFrameNameLookup [2] ['genre'] = 'TCO';
- $ID3v2ShortFrameNameLookup [2] ['itunescompilation'] = 'TCP';
- $ID3v2ShortFrameNameLookup [2] ['copyright'] = 'TCR';
- $ID3v2ShortFrameNameLookup [2] ['encoded_by'] = 'TEN';
- $ID3v2ShortFrameNameLookup [2] ['language'] = 'TLA';
- $ID3v2ShortFrameNameLookup [2] ['length'] = 'TLE';
- $ID3v2ShortFrameNameLookup [2] ['original_artist'] = 'TOA';
- $ID3v2ShortFrameNameLookup [2] ['original_filename'] = 'TOF';
- $ID3v2ShortFrameNameLookup [2] ['original_lyricist'] = 'TOL';
- $ID3v2ShortFrameNameLookup [2] ['original_album_title'] = 'TOT';
- $ID3v2ShortFrameNameLookup [2] ['artist'] = 'TP1';
- $ID3v2ShortFrameNameLookup [2] ['band'] = 'TP2';
- $ID3v2ShortFrameNameLookup [2] ['conductor'] = 'TP3';
- $ID3v2ShortFrameNameLookup [2] ['remixer'] = 'TP4';
- $ID3v2ShortFrameNameLookup [2] ['publisher'] = 'TPB';
- $ID3v2ShortFrameNameLookup [2] ['isrc'] = 'TRC';
- $ID3v2ShortFrameNameLookup [2] ['tracknumber'] = 'TRK';
- $ID3v2ShortFrameNameLookup [2] ['size'] = 'TSI';
- $ID3v2ShortFrameNameLookup [2] ['encoder_settings'] = 'TSS';
- $ID3v2ShortFrameNameLookup [2] ['description'] = 'TT1';
- $ID3v2ShortFrameNameLookup [2] ['title'] = 'TT2';
- $ID3v2ShortFrameNameLookup [2] ['subtitle'] = 'TT3';
- $ID3v2ShortFrameNameLookup [2] ['lyricist'] = 'TXT';
- $ID3v2ShortFrameNameLookup [2] ['user_text'] = 'TXX';
- $ID3v2ShortFrameNameLookup [2] ['year'] = 'TYE';
- $ID3v2ShortFrameNameLookup [2] ['unique_file_identifier'] = 'UFI';
- $ID3v2ShortFrameNameLookup [2] ['unsynchronised_lyrics'] = 'ULT';
- $ID3v2ShortFrameNameLookup [2] ['url_file'] = 'WAF';
- $ID3v2ShortFrameNameLookup [2] ['url_artist'] = 'WAR';
- $ID3v2ShortFrameNameLookup [2] ['url_source'] = 'WAS';
- $ID3v2ShortFrameNameLookup [2] ['copyright_information'] = 'WCP';
- $ID3v2ShortFrameNameLookup [2] ['url_publisher'] = 'WPB';
- $ID3v2ShortFrameNameLookup [2] ['url_user'] = 'WXX';
-
- // The following are common to ID3v2.3 and ID3v2.4
- $ID3v2ShortFrameNameLookup [3] ['audio_encryption'] = 'AENC';
- $ID3v2ShortFrameNameLookup [3] ['attached_picture'] = 'APIC';
- $ID3v2ShortFrameNameLookup [3] ['comment'] = 'COMM';
- $ID3v2ShortFrameNameLookup [3] ['commercial'] = 'COMR';
- $ID3v2ShortFrameNameLookup [3] ['encryption_method_registration'] = 'ENCR';
- $ID3v2ShortFrameNameLookup [3] ['event_timing_codes'] = 'ETCO';
- $ID3v2ShortFrameNameLookup [3] ['general_encapsulated_object'] = 'GEOB';
- $ID3v2ShortFrameNameLookup [3] ['group_identification_registration'] = 'GRID';
- $ID3v2ShortFrameNameLookup [3] ['linked_information'] = 'LINK';
- $ID3v2ShortFrameNameLookup [3] ['music_cd_identifier'] = 'MCDI';
- $ID3v2ShortFrameNameLookup [3] ['mpeg_location_lookup_table'] = 'MLLT';
- $ID3v2ShortFrameNameLookup [3] ['ownership'] = 'OWNE';
- $ID3v2ShortFrameNameLookup [3] ['play_counter'] = 'PCNT';
- $ID3v2ShortFrameNameLookup [3] ['popularimeter'] = 'POPM';
- $ID3v2ShortFrameNameLookup [3] ['position_synchronisation'] = 'POSS';
- $ID3v2ShortFrameNameLookup [3] ['private'] = 'PRIV';
- $ID3v2ShortFrameNameLookup [3] ['recommended_buffer_size'] = 'RBUF';
- $ID3v2ShortFrameNameLookup [3] ['reverb'] = 'RVRB';
- $ID3v2ShortFrameNameLookup [3] ['synchronised_lyrics'] = 'SYLT';
- $ID3v2ShortFrameNameLookup [3] ['synchronised_tempo_codes'] = 'SYTC';
- $ID3v2ShortFrameNameLookup [3] ['album'] = 'TALB';
- $ID3v2ShortFrameNameLookup [3] ['beats_per_minute'] = 'TBPM';
- $ID3v2ShortFrameNameLookup [3] ['itunescompilation'] = 'TCMP';
- $ID3v2ShortFrameNameLookup [3] ['composer'] = 'TCOM';
- $ID3v2ShortFrameNameLookup [3] ['genre'] = 'TCON';
- $ID3v2ShortFrameNameLookup [3] ['copyright'] = 'TCOP';
- $ID3v2ShortFrameNameLookup [3] ['playlist_delay'] = 'TDLY';
- $ID3v2ShortFrameNameLookup [3] ['encoded_by'] = 'TENC';
- $ID3v2ShortFrameNameLookup [3] ['lyricist'] = 'TEXT';
- $ID3v2ShortFrameNameLookup [3] ['file_type'] = 'TFLT';
- $ID3v2ShortFrameNameLookup [3] ['content_group_description'] = 'TIT1';
- $ID3v2ShortFrameNameLookup [3] ['title'] = 'TIT2';
- $ID3v2ShortFrameNameLookup [3] ['subtitle'] = 'TIT3';
- $ID3v2ShortFrameNameLookup [3] ['initial_key'] = 'TKEY';
- $ID3v2ShortFrameNameLookup [3] ['language'] = 'TLAN';
- $ID3v2ShortFrameNameLookup [3] ['length'] = 'TLEN';
- $ID3v2ShortFrameNameLookup [3] ['media_type'] = 'TMED';
- $ID3v2ShortFrameNameLookup [3] ['original_album_title'] = 'TOAL';
- $ID3v2ShortFrameNameLookup [3] ['original_filename'] = 'TOFN';
- $ID3v2ShortFrameNameLookup [3] ['original_lyricist'] = 'TOLY';
- $ID3v2ShortFrameNameLookup [3] ['original_artist'] = 'TOPE';
- $ID3v2ShortFrameNameLookup [3] ['file_owner'] = 'TOWN';
- $ID3v2ShortFrameNameLookup [3] ['artist'] = 'TPE1';
- $ID3v2ShortFrameNameLookup [3] ['band'] = 'TPE2';
- $ID3v2ShortFrameNameLookup [3] ['conductor'] = 'TPE3';
- $ID3v2ShortFrameNameLookup [3] ['remixer'] = 'TPE4';
- $ID3v2ShortFrameNameLookup [3] ['part_of_a_set'] = 'TPOS';
- $ID3v2ShortFrameNameLookup [3] ['publisher'] = 'TPUB';
- $ID3v2ShortFrameNameLookup [3] ['tracknumber'] = 'TRCK';
- $ID3v2ShortFrameNameLookup [3] ['internet_radio_station_name'] = 'TRSN';
- $ID3v2ShortFrameNameLookup [3] ['internet_radio_station_owner'] = 'TRSO';
- $ID3v2ShortFrameNameLookup [3] ['isrc'] = 'TSRC';
- $ID3v2ShortFrameNameLookup [3] ['encoder_settings'] = 'TSSE';
- $ID3v2ShortFrameNameLookup [3] ['user_text'] = 'TXXX';
- $ID3v2ShortFrameNameLookup [3] ['unique_file_identifier'] = 'UFID';
- $ID3v2ShortFrameNameLookup [3] ['terms_of_use'] = 'USER';
- $ID3v2ShortFrameNameLookup [3] ['unsynchronised_lyrics'] = 'USLT';
- $ID3v2ShortFrameNameLookup [3] ['commercial'] = 'WCOM';
- $ID3v2ShortFrameNameLookup [3] ['copyright_information'] = 'WCOP';
- $ID3v2ShortFrameNameLookup [3] ['url_file'] = 'WOAF';
- $ID3v2ShortFrameNameLookup [3] ['url_artist'] = 'WOAR';
- $ID3v2ShortFrameNameLookup [3] ['url_source'] = 'WOAS';
- $ID3v2ShortFrameNameLookup [3] ['url_station'] = 'WORS';
- $ID3v2ShortFrameNameLookup [3] ['payment'] = 'WPAY';
- $ID3v2ShortFrameNameLookup [3] ['url_publisher'] = 'WPUB';
- $ID3v2ShortFrameNameLookup [3] ['url_user'] = 'WXXX';
-
- // The above are common to ID3v2.3 and ID3v2.4
- // so copy them to ID3v2.4 before adding specifics for 2.3 and 2.4
- $ID3v2ShortFrameNameLookup [4] = $ID3v2ShortFrameNameLookup [3];
-
- // The following are unique to ID3v2.3
- $ID3v2ShortFrameNameLookup [3] ['equalisation'] = 'EQUA';
- $ID3v2ShortFrameNameLookup [3] ['involved_people_list'] = 'IPLS';
- $ID3v2ShortFrameNameLookup [3] ['relative_volume_adjustment'] = 'RVAD';
- $ID3v2ShortFrameNameLookup [3] ['date'] = 'TDAT';
- $ID3v2ShortFrameNameLookup [3] ['time'] = 'TIME';
- $ID3v2ShortFrameNameLookup [3] ['original_release_year'] = 'TORY';
- $ID3v2ShortFrameNameLookup [3] ['recording_dates'] = 'TRDA';
- $ID3v2ShortFrameNameLookup [3] ['size'] = 'TSIZ';
- $ID3v2ShortFrameNameLookup [3] ['year'] = 'TYER';
-
- // The following are unique to ID3v2.4
- $ID3v2ShortFrameNameLookup [4] ['audio_seek_point_index'] = 'ASPI';
- $ID3v2ShortFrameNameLookup [4] ['equalisation'] = 'EQU2';
- $ID3v2ShortFrameNameLookup [4] ['relative_volume_adjustment'] = 'RVA2';
- $ID3v2ShortFrameNameLookup [4] ['seek'] = 'SEEK';
- $ID3v2ShortFrameNameLookup [4] ['signature'] = 'SIGN';
- $ID3v2ShortFrameNameLookup [4] ['encoding_time'] = 'TDEN';
- $ID3v2ShortFrameNameLookup [4] ['original_release_time'] = 'TDOR';
- $ID3v2ShortFrameNameLookup [4] ['recording_time'] = 'TDRC';
- $ID3v2ShortFrameNameLookup [4] ['release_time'] = 'TDRL';
- $ID3v2ShortFrameNameLookup [4] ['tagging_time'] = 'TDTG';
- $ID3v2ShortFrameNameLookup [4] ['involved_people_list'] = 'TIPL';
- $ID3v2ShortFrameNameLookup [4] ['musician_credits_list'] = 'TMCL';
- $ID3v2ShortFrameNameLookup [4] ['mood'] = 'TMOO';
- $ID3v2ShortFrameNameLookup [4] ['produced_notice'] = 'TPRO';
- $ID3v2ShortFrameNameLookup [4] ['album_sort_order'] = 'TSOA';
- $ID3v2ShortFrameNameLookup [4] ['performer_sort_order'] = 'TSOP';
- $ID3v2ShortFrameNameLookup [4] ['title_sort_order'] = 'TSOT';
- $ID3v2ShortFrameNameLookup [4] ['set_subtitle'] = 'TSST';
- }
- return (isset ( $ID3v2ShortFrameNameLookup [$majorversion] [strtolower ( $long_description )] ) ? $ID3v2ShortFrameNameLookup [$majorversion] [strtolower ( $long_description )] : '');
-
- }
- }