3387 lines
130 KiB
PHP
Executable File
3387 lines
130 KiB
PHP
Executable File
<?php
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/////////////////////////////////////////////////////////////////
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/// getID3() by James Heinrich <info@getid3.org> //
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// available at http://getid3.sourceforge.net //
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// or http://www.getid3.org //
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/////////////////////////////////////////////////////////////////
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// See readme.txt for more details //
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/////////////////////////////////////////////////////////////////
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/// //
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// module.tag.id3v2.php //
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// module for analyzing ID3v2 tags //
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// dependencies: module.tag.id3v1.php //
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// ///
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/////////////////////////////////////////////////////////////////
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getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v1.php', __FILE__, true);
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class getid3_id3v2 extends getid3_handler
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{
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public $StartingOffset = 0;
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public function Analyze() {
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$info = &$this->getid3->info;
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// Overall tag structure:
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// +-----------------------------+
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// | Header (10 bytes) |
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// +-----------------------------+
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// | Extended Header |
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// | (variable length, OPTIONAL) |
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// +-----------------------------+
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// | Frames (variable length) |
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// +-----------------------------+
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// | Padding |
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// | (variable length, OPTIONAL) |
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// +-----------------------------+
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// | Footer (10 bytes, OPTIONAL) |
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// +-----------------------------+
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// Header
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// ID3v2/file identifier "ID3"
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// ID3v2 version $04 00
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// ID3v2 flags (%ab000000 in v2.2, %abc00000 in v2.3, %abcd0000 in v2.4.x)
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// ID3v2 size 4 * %0xxxxxxx
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// shortcuts
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$info['id3v2']['header'] = true;
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$thisfile_id3v2 = &$info['id3v2'];
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$thisfile_id3v2['flags'] = array();
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$thisfile_id3v2_flags = &$thisfile_id3v2['flags'];
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fseek($this->getid3->fp, $this->StartingOffset, SEEK_SET);
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$header = fread($this->getid3->fp, 10);
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if (substr($header, 0, 3) == 'ID3' && strlen($header) == 10) {
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$thisfile_id3v2['majorversion'] = ord($header{3});
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$thisfile_id3v2['minorversion'] = ord($header{4});
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// shortcut
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$id3v2_majorversion = &$thisfile_id3v2['majorversion'];
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} else {
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unset($info['id3v2']);
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return false;
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}
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if ($id3v2_majorversion > 4) { // this script probably won't correctly parse ID3v2.5.x and above (if it ever exists)
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$info['error'][] = 'this script only parses up to ID3v2.4.x - this tag is ID3v2.'.$id3v2_majorversion.'.'.$thisfile_id3v2['minorversion'];
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return false;
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}
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$id3_flags = ord($header{5});
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switch ($id3v2_majorversion) {
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case 2:
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// %ab000000 in v2.2
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$thisfile_id3v2_flags['unsynch'] = (bool) ($id3_flags & 0x80); // a - Unsynchronisation
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$thisfile_id3v2_flags['compression'] = (bool) ($id3_flags & 0x40); // b - Compression
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break;
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case 3:
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// %abc00000 in v2.3
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$thisfile_id3v2_flags['unsynch'] = (bool) ($id3_flags & 0x80); // a - Unsynchronisation
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$thisfile_id3v2_flags['exthead'] = (bool) ($id3_flags & 0x40); // b - Extended header
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$thisfile_id3v2_flags['experim'] = (bool) ($id3_flags & 0x20); // c - Experimental indicator
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break;
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case 4:
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// %abcd0000 in v2.4
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$thisfile_id3v2_flags['unsynch'] = (bool) ($id3_flags & 0x80); // a - Unsynchronisation
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$thisfile_id3v2_flags['exthead'] = (bool) ($id3_flags & 0x40); // b - Extended header
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$thisfile_id3v2_flags['experim'] = (bool) ($id3_flags & 0x20); // c - Experimental indicator
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$thisfile_id3v2_flags['isfooter'] = (bool) ($id3_flags & 0x10); // d - Footer present
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break;
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}
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$thisfile_id3v2['headerlength'] = getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length
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$thisfile_id3v2['tag_offset_start'] = $this->StartingOffset;
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$thisfile_id3v2['tag_offset_end'] = $thisfile_id3v2['tag_offset_start'] + $thisfile_id3v2['headerlength'];
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// create 'encoding' key - used by getid3::HandleAllTags()
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// in ID3v2 every field can have it's own encoding type
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// so force everything to UTF-8 so it can be handled consistantly
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$thisfile_id3v2['encoding'] = 'UTF-8';
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// Frames
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// All ID3v2 frames consists of one frame header followed by one or more
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// fields containing the actual information. The header is always 10
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// bytes and laid out as follows:
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//
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// Frame ID $xx xx xx xx (four characters)
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// Size 4 * %0xxxxxxx
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// Flags $xx xx
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$sizeofframes = $thisfile_id3v2['headerlength'] - 10; // not including 10-byte initial header
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if (!empty($thisfile_id3v2['exthead']['length'])) {
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$sizeofframes -= ($thisfile_id3v2['exthead']['length'] + 4);
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}
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if (!empty($thisfile_id3v2_flags['isfooter'])) {
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$sizeofframes -= 10; // footer takes last 10 bytes of ID3v2 header, after frame data, before audio
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}
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if ($sizeofframes > 0) {
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$framedata = fread($this->getid3->fp, $sizeofframes); // read all frames from file into $framedata variable
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// if entire frame data is unsynched, de-unsynch it now (ID3v2.3.x)
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if (!empty($thisfile_id3v2_flags['unsynch']) && ($id3v2_majorversion <= 3)) {
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$framedata = $this->DeUnsynchronise($framedata);
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}
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// [in ID3v2.4.0] Unsynchronisation [S:6.1] is done on frame level, instead
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// of on tag level, making it easier to skip frames, increasing the streamability
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// of the tag. The unsynchronisation flag in the header [S:3.1] indicates that
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// there exists an unsynchronised frame, while the new unsynchronisation flag in
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// the frame header [S:4.1.2] indicates unsynchronisation.
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//$framedataoffset = 10 + ($thisfile_id3v2['exthead']['length'] ? $thisfile_id3v2['exthead']['length'] + 4 : 0); // how many bytes into the stream - start from after the 10-byte header (and extended header length+4, if present)
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$framedataoffset = 10; // how many bytes into the stream - start from after the 10-byte header
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// Extended Header
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if (!empty($thisfile_id3v2_flags['exthead'])) {
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$extended_header_offset = 0;
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if ($id3v2_majorversion == 3) {
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// v2.3 definition:
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//Extended header size $xx xx xx xx // 32-bit integer
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//Extended Flags $xx xx
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// %x0000000 %00000000 // v2.3
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// x - CRC data present
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//Size of padding $xx xx xx xx
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$thisfile_id3v2['exthead']['length'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 4), 0);
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$extended_header_offset += 4;
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$thisfile_id3v2['exthead']['flag_bytes'] = 2;
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$thisfile_id3v2['exthead']['flag_raw'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, $thisfile_id3v2['exthead']['flag_bytes']));
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$extended_header_offset += $thisfile_id3v2['exthead']['flag_bytes'];
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$thisfile_id3v2['exthead']['flags']['crc'] = (bool) ($thisfile_id3v2['exthead']['flag_raw'] & 0x8000);
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$thisfile_id3v2['exthead']['padding_size'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 4));
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$extended_header_offset += 4;
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if ($thisfile_id3v2['exthead']['flags']['crc']) {
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$thisfile_id3v2['exthead']['flag_data']['crc'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 4));
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$extended_header_offset += 4;
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}
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$extended_header_offset += $thisfile_id3v2['exthead']['padding_size'];
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} elseif ($id3v2_majorversion == 4) {
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// v2.4 definition:
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//Extended header size 4 * %0xxxxxxx // 28-bit synchsafe integer
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//Number of flag bytes $01
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//Extended Flags $xx
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// %0bcd0000 // v2.4
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// b - Tag is an update
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// Flag data length $00
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// c - CRC data present
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// Flag data length $05
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// Total frame CRC 5 * %0xxxxxxx
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// d - Tag restrictions
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// Flag data length $01
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$thisfile_id3v2['exthead']['length'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 4), true);
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$extended_header_offset += 4;
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$thisfile_id3v2['exthead']['flag_bytes'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1)); // should always be 1
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$extended_header_offset += 1;
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$thisfile_id3v2['exthead']['flag_raw'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, $thisfile_id3v2['exthead']['flag_bytes']));
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$extended_header_offset += $thisfile_id3v2['exthead']['flag_bytes'];
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$thisfile_id3v2['exthead']['flags']['update'] = (bool) ($thisfile_id3v2['exthead']['flag_raw'] & 0x40);
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$thisfile_id3v2['exthead']['flags']['crc'] = (bool) ($thisfile_id3v2['exthead']['flag_raw'] & 0x20);
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$thisfile_id3v2['exthead']['flags']['restrictions'] = (bool) ($thisfile_id3v2['exthead']['flag_raw'] & 0x10);
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if ($thisfile_id3v2['exthead']['flags']['update']) {
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$ext_header_chunk_length = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1)); // should be 0
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$extended_header_offset += 1;
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}
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if ($thisfile_id3v2['exthead']['flags']['crc']) {
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$ext_header_chunk_length = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1)); // should be 5
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$extended_header_offset += 1;
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$thisfile_id3v2['exthead']['flag_data']['crc'] = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, $ext_header_chunk_length), true, false);
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$extended_header_offset += $ext_header_chunk_length;
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}
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if ($thisfile_id3v2['exthead']['flags']['restrictions']) {
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$ext_header_chunk_length = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1)); // should be 1
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$extended_header_offset += 1;
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// %ppqrrstt
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$restrictions_raw = getid3_lib::BigEndian2Int(substr($framedata, $extended_header_offset, 1));
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$extended_header_offset += 1;
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$thisfile_id3v2['exthead']['flags']['restrictions']['tagsize'] = ($restrictions_raw & 0xC0) >> 6; // p - Tag size restrictions
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$thisfile_id3v2['exthead']['flags']['restrictions']['textenc'] = ($restrictions_raw & 0x20) >> 5; // q - Text encoding restrictions
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$thisfile_id3v2['exthead']['flags']['restrictions']['textsize'] = ($restrictions_raw & 0x18) >> 3; // r - Text fields size restrictions
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$thisfile_id3v2['exthead']['flags']['restrictions']['imgenc'] = ($restrictions_raw & 0x04) >> 2; // s - Image encoding restrictions
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$thisfile_id3v2['exthead']['flags']['restrictions']['imgsize'] = ($restrictions_raw & 0x03) >> 0; // t - Image size restrictions
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$thisfile_id3v2['exthead']['flags']['restrictions_text']['tagsize'] = $this->LookupExtendedHeaderRestrictionsTagSizeLimits($thisfile_id3v2['exthead']['flags']['restrictions']['tagsize']);
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$thisfile_id3v2['exthead']['flags']['restrictions_text']['textenc'] = $this->LookupExtendedHeaderRestrictionsTextEncodings($thisfile_id3v2['exthead']['flags']['restrictions']['textenc']);
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$thisfile_id3v2['exthead']['flags']['restrictions_text']['textsize'] = $this->LookupExtendedHeaderRestrictionsTextFieldSize($thisfile_id3v2['exthead']['flags']['restrictions']['textsize']);
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$thisfile_id3v2['exthead']['flags']['restrictions_text']['imgenc'] = $this->LookupExtendedHeaderRestrictionsImageEncoding($thisfile_id3v2['exthead']['flags']['restrictions']['imgenc']);
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$thisfile_id3v2['exthead']['flags']['restrictions_text']['imgsize'] = $this->LookupExtendedHeaderRestrictionsImageSizeSize($thisfile_id3v2['exthead']['flags']['restrictions']['imgsize']);
|
||
}
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||
|
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if ($thisfile_id3v2['exthead']['length'] != $extended_header_offset) {
|
||
$info['warning'][] = 'ID3v2.4 extended header length mismatch (expecting '.intval($thisfile_id3v2['exthead']['length']).', found '.intval($extended_header_offset).')';
|
||
}
|
||
}
|
||
|
||
$framedataoffset += $extended_header_offset;
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||
$framedata = substr($framedata, $extended_header_offset);
|
||
} // end extended header
|
||
|
||
|
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while (isset($framedata) && (strlen($framedata) > 0)) { // cycle through until no more frame data is left to parse
|
||
if (strlen($framedata) <= $this->ID3v2HeaderLength($id3v2_majorversion)) {
|
||
// insufficient room left in ID3v2 header for actual data - must be padding
|
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$thisfile_id3v2['padding']['start'] = $framedataoffset;
|
||
$thisfile_id3v2['padding']['length'] = strlen($framedata);
|
||
$thisfile_id3v2['padding']['valid'] = true;
|
||
for ($i = 0; $i < $thisfile_id3v2['padding']['length']; $i++) {
|
||
if ($framedata{$i} != "\x00") {
|
||
$thisfile_id3v2['padding']['valid'] = false;
|
||
$thisfile_id3v2['padding']['errorpos'] = $thisfile_id3v2['padding']['start'] + $i;
|
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$info['warning'][] = 'Invalid ID3v2 padding found at offset '.$thisfile_id3v2['padding']['errorpos'].' (the remaining '.($thisfile_id3v2['padding']['length'] - $i).' bytes are considered invalid)';
|
||
break;
|
||
}
|
||
}
|
||
break; // skip rest of ID3v2 header
|
||
}
|
||
if ($id3v2_majorversion == 2) {
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||
// Frame ID $xx xx xx (three characters)
|
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// Size $xx xx xx (24-bit integer)
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||
// Flags $xx xx
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||
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||
$frame_header = substr($framedata, 0, 6); // take next 6 bytes for header
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||
$framedata = substr($framedata, 6); // and leave the rest in $framedata
|
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$frame_name = substr($frame_header, 0, 3);
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$frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 3, 3), 0);
|
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$frame_flags = 0; // not used for anything in ID3v2.2, just set to avoid E_NOTICEs
|
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|
||
} elseif ($id3v2_majorversion > 2) {
|
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|
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// Frame ID $xx xx xx xx (four characters)
|
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// Size $xx xx xx xx (32-bit integer in v2.3, 28-bit synchsafe in v2.4+)
|
||
// Flags $xx xx
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||
|
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$frame_header = substr($framedata, 0, 10); // take next 10 bytes for header
|
||
$framedata = substr($framedata, 10); // and leave the rest in $framedata
|
||
|
||
$frame_name = substr($frame_header, 0, 4);
|
||
if ($id3v2_majorversion == 3) {
|
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$frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 4, 4), 0); // 32-bit integer
|
||
} else { // ID3v2.4+
|
||
$frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 4, 4), 1); // 32-bit synchsafe integer (28-bit value)
|
||
}
|
||
|
||
if ($frame_size < (strlen($framedata) + 4)) {
|
||
$nextFrameID = substr($framedata, $frame_size, 4);
|
||
if ($this->IsValidID3v2FrameName($nextFrameID, $id3v2_majorversion)) {
|
||
// next frame is OK
|
||
} elseif (($frame_name == "\x00".'MP3') || ($frame_name == "\x00\x00".'MP') || ($frame_name == ' MP3') || ($frame_name == 'MP3e')) {
|
||
// MP3ext known broken frames - "ok" for the purposes of this test
|
||
} elseif (($id3v2_majorversion == 4) && ($this->IsValidID3v2FrameName(substr($framedata, getid3_lib::BigEndian2Int(substr($frame_header, 4, 4), 0), 4), 3))) {
|
||
$info['warning'][] = 'ID3v2 tag written as ID3v2.4, but with non-synchsafe integers (ID3v2.3 style). Older versions of (Helium2; iTunes) are known culprits of this. Tag has been parsed as ID3v2.3';
|
||
$id3v2_majorversion = 3;
|
||
$frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 4, 4), 0); // 32-bit integer
|
||
}
|
||
}
|
||
|
||
|
||
$frame_flags = getid3_lib::BigEndian2Int(substr($frame_header, 8, 2));
|
||
}
|
||
|
||
if ((($id3v2_majorversion == 2) && ($frame_name == "\x00\x00\x00")) || ($frame_name == "\x00\x00\x00\x00")) {
|
||
// padding encountered
|
||
|
||
$thisfile_id3v2['padding']['start'] = $framedataoffset;
|
||
$thisfile_id3v2['padding']['length'] = strlen($frame_header) + strlen($framedata);
|
||
$thisfile_id3v2['padding']['valid'] = true;
|
||
|
||
$len = strlen($framedata);
|
||
for ($i = 0; $i < $len; $i++) {
|
||
if ($framedata{$i} != "\x00") {
|
||
$thisfile_id3v2['padding']['valid'] = false;
|
||
$thisfile_id3v2['padding']['errorpos'] = $thisfile_id3v2['padding']['start'] + $i;
|
||
$info['warning'][] = 'Invalid ID3v2 padding found at offset '.$thisfile_id3v2['padding']['errorpos'].' (the remaining '.($thisfile_id3v2['padding']['length'] - $i).' bytes are considered invalid)';
|
||
break;
|
||
}
|
||
}
|
||
break; // skip rest of ID3v2 header
|
||
}
|
||
|
||
if ($frame_name == 'COM ') {
|
||
$info['warning'][] = 'error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag). (ERROR: IsValidID3v2FrameName("'.str_replace("\x00", ' ', $frame_name).'", '.$id3v2_majorversion.'))). [Note: this particular error has been known to happen with tags edited by iTunes (versions "X v2.0.3", "v3.0.1" are known-guilty, probably others too)]';
|
||
$frame_name = 'COMM';
|
||
}
|
||
if (($frame_size <= strlen($framedata)) && ($this->IsValidID3v2FrameName($frame_name, $id3v2_majorversion))) {
|
||
|
||
unset($parsedFrame);
|
||
$parsedFrame['frame_name'] = $frame_name;
|
||
$parsedFrame['frame_flags_raw'] = $frame_flags;
|
||
$parsedFrame['data'] = substr($framedata, 0, $frame_size);
|
||
$parsedFrame['datalength'] = getid3_lib::CastAsInt($frame_size);
|
||
$parsedFrame['dataoffset'] = $framedataoffset;
|
||
|
||
$this->ParseID3v2Frame($parsedFrame);
|
||
$thisfile_id3v2[$frame_name][] = $parsedFrame;
|
||
|
||
$framedata = substr($framedata, $frame_size);
|
||
|
||
} else { // invalid frame length or FrameID
|
||
|
||
if ($frame_size <= strlen($framedata)) {
|
||
|
||
if ($this->IsValidID3v2FrameName(substr($framedata, $frame_size, 4), $id3v2_majorversion)) {
|
||
|
||
// next frame is valid, just skip the current frame
|
||
$framedata = substr($framedata, $frame_size);
|
||
$info['warning'][] = 'Next ID3v2 frame is valid, skipping current frame.';
|
||
|
||
} else {
|
||
|
||
// next frame is invalid too, abort processing
|
||
//unset($framedata);
|
||
$framedata = null;
|
||
$info['error'][] = 'Next ID3v2 frame is also invalid, aborting processing.';
|
||
|
||
}
|
||
|
||
} elseif ($frame_size == strlen($framedata)) {
|
||
|
||
// this is the last frame, just skip
|
||
$info['warning'][] = 'This was the last ID3v2 frame.';
|
||
|
||
} else {
|
||
|
||
// next frame is invalid too, abort processing
|
||
//unset($framedata);
|
||
$framedata = null;
|
||
$info['warning'][] = 'Invalid ID3v2 frame size, aborting.';
|
||
|
||
}
|
||
if (!$this->IsValidID3v2FrameName($frame_name, $id3v2_majorversion)) {
|
||
|
||
switch ($frame_name) {
|
||
case "\x00\x00".'MP':
|
||
case "\x00".'MP3':
|
||
case ' MP3':
|
||
case 'MP3e':
|
||
case "\x00".'MP':
|
||
case ' MP':
|
||
case 'MP3':
|
||
$info['warning'][] = 'error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag). (ERROR: !IsValidID3v2FrameName("'.str_replace("\x00", ' ', $frame_name).'", '.$id3v2_majorversion.'))). [Note: this particular error has been known to happen with tags edited by "MP3ext (www.mutschler.de/mp3ext/)"]';
|
||
break;
|
||
|
||
default:
|
||
$info['warning'][] = 'error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag). (ERROR: !IsValidID3v2FrameName("'.str_replace("\x00", ' ', $frame_name).'", '.$id3v2_majorversion.'))).';
|
||
break;
|
||
}
|
||
|
||
} elseif (!isset($framedata) || ($frame_size > strlen($framedata))) {
|
||
|
||
$info['error'][] = 'error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag). (ERROR: $frame_size ('.$frame_size.') > strlen($framedata) ('.(isset($framedata) ? strlen($framedata) : 'null').')).';
|
||
|
||
} else {
|
||
|
||
$info['error'][] = 'error parsing "'.$frame_name.'" ('.$framedataoffset.' bytes into the ID3v2.'.$id3v2_majorversion.' tag).';
|
||
|
||
}
|
||
|
||
}
|
||
$framedataoffset += ($frame_size + $this->ID3v2HeaderLength($id3v2_majorversion));
|
||
|
||
}
|
||
|
||
}
|
||
|
||
|
||
// Footer
|
||
|
||
// The footer is a copy of the header, but with a different identifier.
|
||
// ID3v2 identifier "3DI"
|
||
// ID3v2 version $04 00
|
||
// ID3v2 flags %abcd0000
|
||
// ID3v2 size 4 * %0xxxxxxx
|
||
|
||
if (isset($thisfile_id3v2_flags['isfooter']) && $thisfile_id3v2_flags['isfooter']) {
|
||
$footer = fread($this->getid3->fp, 10);
|
||
if (substr($footer, 0, 3) == '3DI') {
|
||
$thisfile_id3v2['footer'] = true;
|
||
$thisfile_id3v2['majorversion_footer'] = ord($footer{3});
|
||
$thisfile_id3v2['minorversion_footer'] = ord($footer{4});
|
||
}
|
||
if ($thisfile_id3v2['majorversion_footer'] <= 4) {
|
||
$id3_flags = ord(substr($footer{5}));
|
||
$thisfile_id3v2_flags['unsynch_footer'] = (bool) ($id3_flags & 0x80);
|
||
$thisfile_id3v2_flags['extfoot_footer'] = (bool) ($id3_flags & 0x40);
|
||
$thisfile_id3v2_flags['experim_footer'] = (bool) ($id3_flags & 0x20);
|
||
$thisfile_id3v2_flags['isfooter_footer'] = (bool) ($id3_flags & 0x10);
|
||
|
||
$thisfile_id3v2['footerlength'] = getid3_lib::BigEndian2Int(substr($footer, 6, 4), 1);
|
||
}
|
||
} // end footer
|
||
|
||
if (isset($thisfile_id3v2['comments']['genre'])) {
|
||
foreach ($thisfile_id3v2['comments']['genre'] as $key => $value) {
|
||
unset($thisfile_id3v2['comments']['genre'][$key]);
|
||
$thisfile_id3v2['comments'] = getid3_lib::array_merge_noclobber($thisfile_id3v2['comments'], array('genre'=>$this->ParseID3v2GenreString($value)));
|
||
}
|
||
}
|
||
|
||
if (isset($thisfile_id3v2['comments']['track'])) {
|
||
foreach ($thisfile_id3v2['comments']['track'] as $key => $value) {
|
||
if (strstr($value, '/')) {
|
||
list($thisfile_id3v2['comments']['tracknum'][$key], $thisfile_id3v2['comments']['totaltracks'][$key]) = explode('/', $thisfile_id3v2['comments']['track'][$key]);
|
||
}
|
||
}
|
||
}
|
||
|
||
if (!isset($thisfile_id3v2['comments']['year']) && !empty($thisfile_id3v2['comments']['recording_time'][0]) && preg_match('#^([0-9]{4})#', trim($thisfile_id3v2['comments']['recording_time'][0]), $matches)) {
|
||
$thisfile_id3v2['comments']['year'] = array($matches[1]);
|
||
}
|
||
|
||
|
||
if (!empty($thisfile_id3v2['TXXX'])) {
|
||
// MediaMonkey does this, maybe others: write a blank RGAD frame, but put replay-gain adjustment values in TXXX frames
|
||
foreach ($thisfile_id3v2['TXXX'] as $txxx_array) {
|
||
switch ($txxx_array['description']) {
|
||
case 'replaygain_track_gain':
|
||
if (empty($info['replay_gain']['track']['adjustment']) && !empty($txxx_array['data'])) {
|
||
$info['replay_gain']['track']['adjustment'] = floatval(trim(str_replace('dB', '', $txxx_array['data'])));
|
||
}
|
||
break;
|
||
case 'replaygain_track_peak':
|
||
if (empty($info['replay_gain']['track']['peak']) && !empty($txxx_array['data'])) {
|
||
$info['replay_gain']['track']['peak'] = floatval($txxx_array['data']);
|
||
}
|
||
break;
|
||
case 'replaygain_album_gain':
|
||
if (empty($info['replay_gain']['album']['adjustment']) && !empty($txxx_array['data'])) {
|
||
$info['replay_gain']['album']['adjustment'] = floatval(trim(str_replace('dB', '', $txxx_array['data'])));
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
// Set avdataoffset
|
||
$info['avdataoffset'] = $thisfile_id3v2['headerlength'];
|
||
if (isset($thisfile_id3v2['footer'])) {
|
||
$info['avdataoffset'] += 10;
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
public function ParseID3v2GenreString($genrestring) {
|
||
// Parse genres into arrays of genreName and genreID
|
||
// ID3v2.2.x, ID3v2.3.x: '(21)' or '(4)Eurodisco' or '(51)(39)' or '(55)((I think...)'
|
||
// ID3v2.4.x: '21' $00 'Eurodisco' $00
|
||
$clean_genres = array();
|
||
if (strpos($genrestring, "\x00") === false) {
|
||
$genrestring = preg_replace('#\(([0-9]{1,3})\)#', '$1'."\x00", $genrestring);
|
||
}
|
||
$genre_elements = explode("\x00", $genrestring);
|
||
foreach ($genre_elements as $element) {
|
||
$element = trim($element);
|
||
if ($element) {
|
||
if (preg_match('#^[0-9]{1,3}#', $element)) {
|
||
$clean_genres[] = getid3_id3v1::LookupGenreName($element);
|
||
} else {
|
||
$clean_genres[] = str_replace('((', '(', $element);
|
||
}
|
||
}
|
||
}
|
||
return $clean_genres;
|
||
}
|
||
|
||
|
||
public function ParseID3v2Frame(&$parsedFrame) {
|
||
|
||
// shortcuts
|
||
$info = &$this->getid3->info;
|
||
$id3v2_majorversion = $info['id3v2']['majorversion'];
|
||
|
||
$parsedFrame['framenamelong'] = $this->FrameNameLongLookup($parsedFrame['frame_name']);
|
||
if (empty($parsedFrame['framenamelong'])) {
|
||
unset($parsedFrame['framenamelong']);
|
||
}
|
||
$parsedFrame['framenameshort'] = $this->FrameNameShortLookup($parsedFrame['frame_name']);
|
||
if (empty($parsedFrame['framenameshort'])) {
|
||
unset($parsedFrame['framenameshort']);
|
||
}
|
||
|
||
if ($id3v2_majorversion >= 3) { // frame flags are not part of the ID3v2.2 standard
|
||
if ($id3v2_majorversion == 3) {
|
||
// Frame Header Flags
|
||
// %abc00000 %ijk00000
|
||
$parsedFrame['flags']['TagAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x8000); // a - Tag alter preservation
|
||
$parsedFrame['flags']['FileAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x4000); // b - File alter preservation
|
||
$parsedFrame['flags']['ReadOnly'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x2000); // c - Read only
|
||
$parsedFrame['flags']['compression'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0080); // i - Compression
|
||
$parsedFrame['flags']['Encryption'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0040); // j - Encryption
|
||
$parsedFrame['flags']['GroupingIdentity'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0020); // k - Grouping identity
|
||
|
||
} elseif ($id3v2_majorversion == 4) {
|
||
// Frame Header Flags
|
||
// %0abc0000 %0h00kmnp
|
||
$parsedFrame['flags']['TagAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x4000); // a - Tag alter preservation
|
||
$parsedFrame['flags']['FileAlterPreservation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x2000); // b - File alter preservation
|
||
$parsedFrame['flags']['ReadOnly'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x1000); // c - Read only
|
||
$parsedFrame['flags']['GroupingIdentity'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0040); // h - Grouping identity
|
||
$parsedFrame['flags']['compression'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0008); // k - Compression
|
||
$parsedFrame['flags']['Encryption'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0004); // m - Encryption
|
||
$parsedFrame['flags']['Unsynchronisation'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0002); // n - Unsynchronisation
|
||
$parsedFrame['flags']['DataLengthIndicator'] = (bool) ($parsedFrame['frame_flags_raw'] & 0x0001); // p - Data length indicator
|
||
|
||
// Frame-level de-unsynchronisation - ID3v2.4
|
||
if ($parsedFrame['flags']['Unsynchronisation']) {
|
||
$parsedFrame['data'] = $this->DeUnsynchronise($parsedFrame['data']);
|
||
}
|
||
|
||
if ($parsedFrame['flags']['DataLengthIndicator']) {
|
||
$parsedFrame['data_length_indicator'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 0, 4), 1);
|
||
$parsedFrame['data'] = substr($parsedFrame['data'], 4);
|
||
}
|
||
}
|
||
|
||
// Frame-level de-compression
|
||
if ($parsedFrame['flags']['compression']) {
|
||
$parsedFrame['decompressed_size'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 0, 4));
|
||
if (!function_exists('gzuncompress')) {
|
||
$info['warning'][] = 'gzuncompress() support required to decompress ID3v2 frame "'.$parsedFrame['frame_name'].'"';
|
||
} else {
|
||
if ($decompresseddata = @gzuncompress(substr($parsedFrame['data'], 4))) {
|
||
//if ($decompresseddata = @gzuncompress($parsedFrame['data'])) {
|
||
$parsedFrame['data'] = $decompresseddata;
|
||
unset($decompresseddata);
|
||
} else {
|
||
$info['warning'][] = 'gzuncompress() failed on compressed contents of ID3v2 frame "'.$parsedFrame['frame_name'].'"';
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if (!empty($parsedFrame['flags']['DataLengthIndicator'])) {
|
||
if ($parsedFrame['data_length_indicator'] != strlen($parsedFrame['data'])) {
|
||
$info['warning'][] = 'ID3v2 frame "'.$parsedFrame['frame_name'].'" should be '.$parsedFrame['data_length_indicator'].' bytes long according to DataLengthIndicator, but found '.strlen($parsedFrame['data']).' bytes of data';
|
||
}
|
||
}
|
||
|
||
if (isset($parsedFrame['datalength']) && ($parsedFrame['datalength'] == 0)) {
|
||
|
||
$warning = 'Frame "'.$parsedFrame['frame_name'].'" at offset '.$parsedFrame['dataoffset'].' has no data portion';
|
||
switch ($parsedFrame['frame_name']) {
|
||
case 'WCOM':
|
||
$warning .= ' (this is known to happen with files tagged by RioPort)';
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
$info['warning'][] = $warning;
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'UFID')) || // 4.1 UFID Unique file identifier
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'UFI'))) { // 4.1 UFI Unique file identifier
|
||
// There may be more than one 'UFID' frame in a tag,
|
||
// but only one with the same 'Owner identifier'.
|
||
// <Header for 'Unique file identifier', ID: 'UFID'>
|
||
// Owner identifier <text string> $00
|
||
// Identifier <up to 64 bytes binary data>
|
||
$exploded = explode("\x00", $parsedFrame['data'], 2);
|
||
$parsedFrame['ownerid'] = (isset($exploded[0]) ? $exploded[0] : '');
|
||
$parsedFrame['data'] = (isset($exploded[1]) ? $exploded[1] : '');
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'TXXX')) || // 4.2.2 TXXX User defined text information frame
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'TXX'))) { // 4.2.2 TXX User defined text information frame
|
||
// There may be more than one 'TXXX' frame in each tag,
|
||
// but only one with the same description.
|
||
// <Header for 'User defined text information frame', ID: 'TXXX'>
|
||
// Text encoding $xx
|
||
// Description <text string according to encoding> $00 (00)
|
||
// Value <text string according to encoding>
|
||
|
||
$frame_offset = 0;
|
||
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
|
||
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
|
||
$info['warning'][] = 'Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding';
|
||
}
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset);
|
||
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) {
|
||
$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
|
||
}
|
||
$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_description) === 0) {
|
||
$frame_description = '';
|
||
}
|
||
$parsedFrame['encodingid'] = $frame_textencoding;
|
||
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
|
||
|
||
$parsedFrame['description'] = $frame_description;
|
||
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)));
|
||
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
|
||
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = trim(getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']));
|
||
}
|
||
//unset($parsedFrame['data']); do not unset, may be needed elsewhere, e.g. for replaygain
|
||
|
||
|
||
} elseif ($parsedFrame['frame_name']{0} == 'T') { // 4.2. T??[?] Text information frame
|
||
// There may only be one text information frame of its kind in an tag.
|
||
// <Header for 'Text information frame', ID: 'T000' - 'TZZZ',
|
||
// excluding 'TXXX' described in 4.2.6.>
|
||
// Text encoding $xx
|
||
// Information <text string(s) according to encoding>
|
||
|
||
$frame_offset = 0;
|
||
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
|
||
$info['warning'][] = 'Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding';
|
||
}
|
||
|
||
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
|
||
|
||
$parsedFrame['encodingid'] = $frame_textencoding;
|
||
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
|
||
|
||
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
|
||
$string = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']);
|
||
$string = rtrim($string, "\x00"); // remove possible terminating null (put by encoding id or software bug)
|
||
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $string;
|
||
unset($string);
|
||
}
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'WXXX')) || // 4.3.2 WXXX User defined URL link frame
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'WXX'))) { // 4.3.2 WXX User defined URL link frame
|
||
// There may be more than one 'WXXX' frame in each tag,
|
||
// but only one with the same description
|
||
// <Header for 'User defined URL link frame', ID: 'WXXX'>
|
||
// Text encoding $xx
|
||
// Description <text string according to encoding> $00 (00)
|
||
// URL <text string>
|
||
|
||
$frame_offset = 0;
|
||
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
|
||
$info['warning'][] = 'Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding';
|
||
}
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset);
|
||
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) {
|
||
$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
|
||
}
|
||
$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
|
||
if (ord($frame_description) === 0) {
|
||
$frame_description = '';
|
||
}
|
||
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)));
|
||
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding));
|
||
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) {
|
||
$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
|
||
}
|
||
if ($frame_terminatorpos) {
|
||
// there are null bytes after the data - this is not according to spec
|
||
// only use data up to first null byte
|
||
$frame_urldata = (string) substr($parsedFrame['data'], 0, $frame_terminatorpos);
|
||
} else {
|
||
// no null bytes following data, just use all data
|
||
$frame_urldata = (string) $parsedFrame['data'];
|
||
}
|
||
|
||
$parsedFrame['encodingid'] = $frame_textencoding;
|
||
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
|
||
|
||
$parsedFrame['url'] = $frame_urldata;
|
||
$parsedFrame['description'] = $frame_description;
|
||
if (!empty($parsedFrame['framenameshort']) && $parsedFrame['url']) {
|
||
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['url']);
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ($parsedFrame['frame_name']{0} == 'W') { // 4.3. W??? URL link frames
|
||
// There may only be one URL link frame of its kind in a tag,
|
||
// except when stated otherwise in the frame description
|
||
// <Header for 'URL link frame', ID: 'W000' - 'WZZZ', excluding 'WXXX'
|
||
// described in 4.3.2.>
|
||
// URL <text string>
|
||
|
||
$parsedFrame['url'] = trim($parsedFrame['data']);
|
||
if (!empty($parsedFrame['framenameshort']) && $parsedFrame['url']) {
|
||
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $parsedFrame['url'];
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion == 3) && ($parsedFrame['frame_name'] == 'IPLS')) || // 4.4 IPLS Involved people list (ID3v2.3 only)
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'IPL'))) { // 4.4 IPL Involved people list (ID3v2.2 only)
|
||
// http://id3.org/id3v2.3.0#sec4.4
|
||
// There may only be one 'IPL' frame in each tag
|
||
// <Header for 'User defined URL link frame', ID: 'IPL'>
|
||
// Text encoding $xx
|
||
// People list strings <textstrings>
|
||
|
||
$frame_offset = 0;
|
||
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
|
||
$info['warning'][] = 'Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding';
|
||
}
|
||
$parsedFrame['encodingid'] = $frame_textencoding;
|
||
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($parsedFrame['encodingid']);
|
||
$parsedFrame['data_raw'] = (string) substr($parsedFrame['data'], $frame_offset);
|
||
|
||
// http://www.getid3.org/phpBB3/viewtopic.php?t=1369
|
||
// "this tag typically contains null terminated strings, which are associated in pairs"
|
||
// "there are users that use the tag incorrectly"
|
||
$IPLS_parts = array();
|
||
if (strpos($parsedFrame['data_raw'], "\x00") !== false) {
|
||
$IPLS_parts_unsorted = array();
|
||
if (((strlen($parsedFrame['data_raw']) % 2) == 0) && ((substr($parsedFrame['data_raw'], 0, 2) == "\xFF\xFE") || (substr($parsedFrame['data_raw'], 0, 2) == "\xFE\xFF"))) {
|
||
// UTF-16, be careful looking for null bytes since most 2-byte characters may contain one; you need to find twin null bytes, and on even padding
|
||
$thisILPS = '';
|
||
for ($i = 0; $i < strlen($parsedFrame['data_raw']); $i += 2) {
|
||
$twobytes = substr($parsedFrame['data_raw'], $i, 2);
|
||
if ($twobytes === "\x00\x00") {
|
||
$IPLS_parts_unsorted[] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $thisILPS);
|
||
$thisILPS = '';
|
||
} else {
|
||
$thisILPS .= $twobytes;
|
||
}
|
||
}
|
||
if (strlen($thisILPS) > 2) { // 2-byte BOM
|
||
$IPLS_parts_unsorted[] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $thisILPS);
|
||
}
|
||
} else {
|
||
// ISO-8859-1 or UTF-8 or other single-byte-null character set
|
||
$IPLS_parts_unsorted = explode("\x00", $parsedFrame['data_raw']);
|
||
}
|
||
if (count($IPLS_parts_unsorted) == 1) {
|
||
// just a list of names, e.g. "Dino Baptiste, Jimmy Copley, John Gordon, Bernie Marsden, Sharon Watson"
|
||
foreach ($IPLS_parts_unsorted as $key => $value) {
|
||
$IPLS_parts_sorted = preg_split('#[;,\\r\\n\\t]#', $value);
|
||
$position = '';
|
||
foreach ($IPLS_parts_sorted as $person) {
|
||
$IPLS_parts[] = array('position'=>$position, 'person'=>$person);
|
||
}
|
||
}
|
||
} elseif ((count($IPLS_parts_unsorted) % 2) == 0) {
|
||
$position = '';
|
||
$person = '';
|
||
foreach ($IPLS_parts_unsorted as $key => $value) {
|
||
if (($key % 2) == 0) {
|
||
$position = $value;
|
||
} else {
|
||
$person = $value;
|
||
$IPLS_parts[] = array('position'=>$position, 'person'=>$person);
|
||
$position = '';
|
||
$person = '';
|
||
}
|
||
}
|
||
} else {
|
||
foreach ($IPLS_parts_unsorted as $key => $value) {
|
||
$IPLS_parts[] = array($value);
|
||
}
|
||
}
|
||
|
||
} else {
|
||
$IPLS_parts = preg_split('#[;,\\r\\n\\t]#', $parsedFrame['data_raw']);
|
||
}
|
||
$parsedFrame['data'] = $IPLS_parts;
|
||
|
||
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
|
||
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $parsedFrame['data'];
|
||
}
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'MCDI')) || // 4.4 MCDI Music CD identifier
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'MCI'))) { // 4.5 MCI Music CD identifier
|
||
// There may only be one 'MCDI' frame in each tag
|
||
// <Header for 'Music CD identifier', ID: 'MCDI'>
|
||
// CD TOC <binary data>
|
||
|
||
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
|
||
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = $parsedFrame['data'];
|
||
}
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'ETCO')) || // 4.5 ETCO Event timing codes
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'ETC'))) { // 4.6 ETC Event timing codes
|
||
// There may only be one 'ETCO' frame in each tag
|
||
// <Header for 'Event timing codes', ID: 'ETCO'>
|
||
// Time stamp format $xx
|
||
// Where time stamp format is:
|
||
// $01 (32-bit value) MPEG frames from beginning of file
|
||
// $02 (32-bit value) milliseconds from beginning of file
|
||
// Followed by a list of key events in the following format:
|
||
// Type of event $xx
|
||
// Time stamp $xx (xx ...)
|
||
// The 'Time stamp' is set to zero if directly at the beginning of the sound
|
||
// or after the previous event. All events MUST be sorted in chronological order.
|
||
|
||
$frame_offset = 0;
|
||
$parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
|
||
while ($frame_offset < strlen($parsedFrame['data'])) {
|
||
$parsedFrame['typeid'] = substr($parsedFrame['data'], $frame_offset++, 1);
|
||
$parsedFrame['type'] = $this->ETCOEventLookup($parsedFrame['typeid']);
|
||
$parsedFrame['timestamp'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
|
||
$frame_offset += 4;
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'MLLT')) || // 4.6 MLLT MPEG location lookup table
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'MLL'))) { // 4.7 MLL MPEG location lookup table
|
||
// There may only be one 'MLLT' frame in each tag
|
||
// <Header for 'Location lookup table', ID: 'MLLT'>
|
||
// MPEG frames between reference $xx xx
|
||
// Bytes between reference $xx xx xx
|
||
// Milliseconds between reference $xx xx xx
|
||
// Bits for bytes deviation $xx
|
||
// Bits for milliseconds dev. $xx
|
||
// Then for every reference the following data is included;
|
||
// Deviation in bytes %xxx....
|
||
// Deviation in milliseconds %xxx....
|
||
|
||
$frame_offset = 0;
|
||
$parsedFrame['framesbetweenreferences'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 0, 2));
|
||
$parsedFrame['bytesbetweenreferences'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 2, 3));
|
||
$parsedFrame['msbetweenreferences'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 5, 3));
|
||
$parsedFrame['bitsforbytesdeviation'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 8, 1));
|
||
$parsedFrame['bitsformsdeviation'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], 9, 1));
|
||
$parsedFrame['data'] = substr($parsedFrame['data'], 10);
|
||
while ($frame_offset < strlen($parsedFrame['data'])) {
|
||
$deviationbitstream .= getid3_lib::BigEndian2Bin(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
}
|
||
$reference_counter = 0;
|
||
while (strlen($deviationbitstream) > 0) {
|
||
$parsedFrame[$reference_counter]['bytedeviation'] = bindec(substr($deviationbitstream, 0, $parsedFrame['bitsforbytesdeviation']));
|
||
$parsedFrame[$reference_counter]['msdeviation'] = bindec(substr($deviationbitstream, $parsedFrame['bitsforbytesdeviation'], $parsedFrame['bitsformsdeviation']));
|
||
$deviationbitstream = substr($deviationbitstream, $parsedFrame['bitsforbytesdeviation'] + $parsedFrame['bitsformsdeviation']);
|
||
$reference_counter++;
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'SYTC')) || // 4.7 SYTC Synchronised tempo codes
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'STC'))) { // 4.8 STC Synchronised tempo codes
|
||
// There may only be one 'SYTC' frame in each tag
|
||
// <Header for 'Synchronised tempo codes', ID: 'SYTC'>
|
||
// Time stamp format $xx
|
||
// Tempo data <binary data>
|
||
// Where time stamp format is:
|
||
// $01 (32-bit value) MPEG frames from beginning of file
|
||
// $02 (32-bit value) milliseconds from beginning of file
|
||
|
||
$frame_offset = 0;
|
||
$parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$timestamp_counter = 0;
|
||
while ($frame_offset < strlen($parsedFrame['data'])) {
|
||
$parsedFrame[$timestamp_counter]['tempo'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
if ($parsedFrame[$timestamp_counter]['tempo'] == 255) {
|
||
$parsedFrame[$timestamp_counter]['tempo'] += ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
}
|
||
$parsedFrame[$timestamp_counter]['timestamp'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
|
||
$frame_offset += 4;
|
||
$timestamp_counter++;
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'USLT')) || // 4.8 USLT Unsynchronised lyric/text transcription
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'ULT'))) { // 4.9 ULT Unsynchronised lyric/text transcription
|
||
// There may be more than one 'Unsynchronised lyrics/text transcription' frame
|
||
// in each tag, but only one with the same language and content descriptor.
|
||
// <Header for 'Unsynchronised lyrics/text transcription', ID: 'USLT'>
|
||
// Text encoding $xx
|
||
// Language $xx xx xx
|
||
// Content descriptor <text string according to encoding> $00 (00)
|
||
// Lyrics/text <full text string according to encoding>
|
||
|
||
$frame_offset = 0;
|
||
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
|
||
$info['warning'][] = 'Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding';
|
||
}
|
||
$frame_language = substr($parsedFrame['data'], $frame_offset, 3);
|
||
$frame_offset += 3;
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset);
|
||
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) {
|
||
$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
|
||
}
|
||
$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_description) === 0) {
|
||
$frame_description = '';
|
||
}
|
||
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)));
|
||
|
||
$parsedFrame['encodingid'] = $frame_textencoding;
|
||
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
|
||
|
||
$parsedFrame['data'] = $parsedFrame['data'];
|
||
$parsedFrame['language'] = $frame_language;
|
||
$parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false);
|
||
$parsedFrame['description'] = $frame_description;
|
||
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
|
||
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']);
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'SYLT')) || // 4.9 SYLT Synchronised lyric/text
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'SLT'))) { // 4.10 SLT Synchronised lyric/text
|
||
// There may be more than one 'SYLT' frame in each tag,
|
||
// but only one with the same language and content descriptor.
|
||
// <Header for 'Synchronised lyrics/text', ID: 'SYLT'>
|
||
// Text encoding $xx
|
||
// Language $xx xx xx
|
||
// Time stamp format $xx
|
||
// $01 (32-bit value) MPEG frames from beginning of file
|
||
// $02 (32-bit value) milliseconds from beginning of file
|
||
// Content type $xx
|
||
// Content descriptor <text string according to encoding> $00 (00)
|
||
// Terminated text to be synced (typically a syllable)
|
||
// Sync identifier (terminator to above string) $00 (00)
|
||
// Time stamp $xx (xx ...)
|
||
|
||
$frame_offset = 0;
|
||
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
|
||
$info['warning'][] = 'Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding';
|
||
}
|
||
$frame_language = substr($parsedFrame['data'], $frame_offset, 3);
|
||
$frame_offset += 3;
|
||
$parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['contenttypeid'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['contenttype'] = $this->SYTLContentTypeLookup($parsedFrame['contenttypeid']);
|
||
$parsedFrame['encodingid'] = $frame_textencoding;
|
||
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
|
||
|
||
$parsedFrame['language'] = $frame_language;
|
||
$parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false);
|
||
|
||
$timestampindex = 0;
|
||
$frame_remainingdata = substr($parsedFrame['data'], $frame_offset);
|
||
while (strlen($frame_remainingdata)) {
|
||
$frame_offset = 0;
|
||
$frame_terminatorpos = strpos($frame_remainingdata, $this->TextEncodingTerminatorLookup($frame_textencoding));
|
||
if ($frame_terminatorpos === false) {
|
||
$frame_remainingdata = '';
|
||
} else {
|
||
if (ord(substr($frame_remainingdata, $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) {
|
||
$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
|
||
}
|
||
$parsedFrame['lyrics'][$timestampindex]['data'] = substr($frame_remainingdata, $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
|
||
$frame_remainingdata = substr($frame_remainingdata, $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)));
|
||
if (($timestampindex == 0) && (ord($frame_remainingdata{0}) != 0)) {
|
||
// timestamp probably omitted for first data item
|
||
} else {
|
||
$parsedFrame['lyrics'][$timestampindex]['timestamp'] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, 0, 4));
|
||
$frame_remainingdata = substr($frame_remainingdata, 4);
|
||
}
|
||
$timestampindex++;
|
||
}
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'COMM')) || // 4.10 COMM Comments
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'COM'))) { // 4.11 COM Comments
|
||
// There may be more than one comment frame in each tag,
|
||
// but only one with the same language and content descriptor.
|
||
// <Header for 'Comment', ID: 'COMM'>
|
||
// Text encoding $xx
|
||
// Language $xx xx xx
|
||
// Short content descrip. <text string according to encoding> $00 (00)
|
||
// The actual text <full text string according to encoding>
|
||
|
||
if (strlen($parsedFrame['data']) < 5) {
|
||
|
||
$info['warning'][] = 'Invalid data (too short) for "'.$parsedFrame['frame_name'].'" frame at offset '.$parsedFrame['dataoffset'];
|
||
|
||
} else {
|
||
|
||
$frame_offset = 0;
|
||
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
|
||
$info['warning'][] = 'Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding';
|
||
}
|
||
$frame_language = substr($parsedFrame['data'], $frame_offset, 3);
|
||
$frame_offset += 3;
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset);
|
||
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) {
|
||
$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
|
||
}
|
||
$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_description) === 0) {
|
||
$frame_description = '';
|
||
}
|
||
$frame_text = (string) substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)));
|
||
|
||
$parsedFrame['encodingid'] = $frame_textencoding;
|
||
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
|
||
|
||
$parsedFrame['language'] = $frame_language;
|
||
$parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false);
|
||
$parsedFrame['description'] = $frame_description;
|
||
$parsedFrame['data'] = $frame_text;
|
||
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
|
||
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']);
|
||
}
|
||
|
||
}
|
||
|
||
} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'RVA2')) { // 4.11 RVA2 Relative volume adjustment (2) (ID3v2.4+ only)
|
||
// There may be more than one 'RVA2' frame in each tag,
|
||
// but only one with the same identification string
|
||
// <Header for 'Relative volume adjustment (2)', ID: 'RVA2'>
|
||
// Identification <text string> $00
|
||
// The 'identification' string is used to identify the situation and/or
|
||
// device where this adjustment should apply. The following is then
|
||
// repeated for every channel:
|
||
// Type of channel $xx
|
||
// Volume adjustment $xx xx
|
||
// Bits representing peak $xx
|
||
// Peak volume $xx (xx ...)
|
||
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00");
|
||
$frame_idstring = substr($parsedFrame['data'], 0, $frame_terminatorpos);
|
||
if (ord($frame_idstring) === 0) {
|
||
$frame_idstring = '';
|
||
}
|
||
$frame_remainingdata = substr($parsedFrame['data'], $frame_terminatorpos + strlen("\x00"));
|
||
$parsedFrame['description'] = $frame_idstring;
|
||
$RVA2channelcounter = 0;
|
||
while (strlen($frame_remainingdata) >= 5) {
|
||
$frame_offset = 0;
|
||
$frame_channeltypeid = ord(substr($frame_remainingdata, $frame_offset++, 1));
|
||
$parsedFrame[$RVA2channelcounter]['channeltypeid'] = $frame_channeltypeid;
|
||
$parsedFrame[$RVA2channelcounter]['channeltype'] = $this->RVA2ChannelTypeLookup($frame_channeltypeid);
|
||
$parsedFrame[$RVA2channelcounter]['volumeadjust'] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, $frame_offset, 2), false, true); // 16-bit signed
|
||
$frame_offset += 2;
|
||
$parsedFrame[$RVA2channelcounter]['bitspeakvolume'] = ord(substr($frame_remainingdata, $frame_offset++, 1));
|
||
if (($parsedFrame[$RVA2channelcounter]['bitspeakvolume'] < 1) || ($parsedFrame[$RVA2channelcounter]['bitspeakvolume'] > 4)) {
|
||
$info['warning'][] = 'ID3v2::RVA2 frame['.$RVA2channelcounter.'] contains invalid '.$parsedFrame[$RVA2channelcounter]['bitspeakvolume'].'-byte bits-representing-peak value';
|
||
break;
|
||
}
|
||
$frame_bytespeakvolume = ceil($parsedFrame[$RVA2channelcounter]['bitspeakvolume'] / 8);
|
||
$parsedFrame[$RVA2channelcounter]['peakvolume'] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, $frame_offset, $frame_bytespeakvolume));
|
||
$frame_remainingdata = substr($frame_remainingdata, $frame_offset + $frame_bytespeakvolume);
|
||
$RVA2channelcounter++;
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion == 3) && ($parsedFrame['frame_name'] == 'RVAD')) || // 4.12 RVAD Relative volume adjustment (ID3v2.3 only)
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'RVA'))) { // 4.12 RVA Relative volume adjustment (ID3v2.2 only)
|
||
// There may only be one 'RVA' frame in each tag
|
||
// <Header for 'Relative volume adjustment', ID: 'RVA'>
|
||
// ID3v2.2 => Increment/decrement %000000ba
|
||
// ID3v2.3 => Increment/decrement %00fedcba
|
||
// Bits used for volume descr. $xx
|
||
// Relative volume change, right $xx xx (xx ...) // a
|
||
// Relative volume change, left $xx xx (xx ...) // b
|
||
// Peak volume right $xx xx (xx ...)
|
||
// Peak volume left $xx xx (xx ...)
|
||
// ID3v2.3 only, optional (not present in ID3v2.2):
|
||
// Relative volume change, right back $xx xx (xx ...) // c
|
||
// Relative volume change, left back $xx xx (xx ...) // d
|
||
// Peak volume right back $xx xx (xx ...)
|
||
// Peak volume left back $xx xx (xx ...)
|
||
// ID3v2.3 only, optional (not present in ID3v2.2):
|
||
// Relative volume change, center $xx xx (xx ...) // e
|
||
// Peak volume center $xx xx (xx ...)
|
||
// ID3v2.3 only, optional (not present in ID3v2.2):
|
||
// Relative volume change, bass $xx xx (xx ...) // f
|
||
// Peak volume bass $xx xx (xx ...)
|
||
|
||
$frame_offset = 0;
|
||
$frame_incrdecrflags = getid3_lib::BigEndian2Bin(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['incdec']['right'] = (bool) substr($frame_incrdecrflags, 6, 1);
|
||
$parsedFrame['incdec']['left'] = (bool) substr($frame_incrdecrflags, 7, 1);
|
||
$parsedFrame['bitsvolume'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$frame_bytesvolume = ceil($parsedFrame['bitsvolume'] / 8);
|
||
$parsedFrame['volumechange']['right'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
|
||
if ($parsedFrame['incdec']['right'] === false) {
|
||
$parsedFrame['volumechange']['right'] *= -1;
|
||
}
|
||
$frame_offset += $frame_bytesvolume;
|
||
$parsedFrame['volumechange']['left'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
|
||
if ($parsedFrame['incdec']['left'] === false) {
|
||
$parsedFrame['volumechange']['left'] *= -1;
|
||
}
|
||
$frame_offset += $frame_bytesvolume;
|
||
$parsedFrame['peakvolume']['right'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
|
||
$frame_offset += $frame_bytesvolume;
|
||
$parsedFrame['peakvolume']['left'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
|
||
$frame_offset += $frame_bytesvolume;
|
||
if ($id3v2_majorversion == 3) {
|
||
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_offset);
|
||
if (strlen($parsedFrame['data']) > 0) {
|
||
$parsedFrame['incdec']['rightrear'] = (bool) substr($frame_incrdecrflags, 4, 1);
|
||
$parsedFrame['incdec']['leftrear'] = (bool) substr($frame_incrdecrflags, 5, 1);
|
||
$parsedFrame['volumechange']['rightrear'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
|
||
if ($parsedFrame['incdec']['rightrear'] === false) {
|
||
$parsedFrame['volumechange']['rightrear'] *= -1;
|
||
}
|
||
$frame_offset += $frame_bytesvolume;
|
||
$parsedFrame['volumechange']['leftrear'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
|
||
if ($parsedFrame['incdec']['leftrear'] === false) {
|
||
$parsedFrame['volumechange']['leftrear'] *= -1;
|
||
}
|
||
$frame_offset += $frame_bytesvolume;
|
||
$parsedFrame['peakvolume']['rightrear'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
|
||
$frame_offset += $frame_bytesvolume;
|
||
$parsedFrame['peakvolume']['leftrear'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
|
||
$frame_offset += $frame_bytesvolume;
|
||
}
|
||
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_offset);
|
||
if (strlen($parsedFrame['data']) > 0) {
|
||
$parsedFrame['incdec']['center'] = (bool) substr($frame_incrdecrflags, 3, 1);
|
||
$parsedFrame['volumechange']['center'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
|
||
if ($parsedFrame['incdec']['center'] === false) {
|
||
$parsedFrame['volumechange']['center'] *= -1;
|
||
}
|
||
$frame_offset += $frame_bytesvolume;
|
||
$parsedFrame['peakvolume']['center'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
|
||
$frame_offset += $frame_bytesvolume;
|
||
}
|
||
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_offset);
|
||
if (strlen($parsedFrame['data']) > 0) {
|
||
$parsedFrame['incdec']['bass'] = (bool) substr($frame_incrdecrflags, 2, 1);
|
||
$parsedFrame['volumechange']['bass'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
|
||
if ($parsedFrame['incdec']['bass'] === false) {
|
||
$parsedFrame['volumechange']['bass'] *= -1;
|
||
}
|
||
$frame_offset += $frame_bytesvolume;
|
||
$parsedFrame['peakvolume']['bass'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesvolume));
|
||
$frame_offset += $frame_bytesvolume;
|
||
}
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'EQU2')) { // 4.12 EQU2 Equalisation (2) (ID3v2.4+ only)
|
||
// There may be more than one 'EQU2' frame in each tag,
|
||
// but only one with the same identification string
|
||
// <Header of 'Equalisation (2)', ID: 'EQU2'>
|
||
// Interpolation method $xx
|
||
// $00 Band
|
||
// $01 Linear
|
||
// Identification <text string> $00
|
||
// The following is then repeated for every adjustment point
|
||
// Frequency $xx xx
|
||
// Volume adjustment $xx xx
|
||
|
||
$frame_offset = 0;
|
||
$frame_interpolationmethod = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_idstring = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_idstring) === 0) {
|
||
$frame_idstring = '';
|
||
}
|
||
$parsedFrame['description'] = $frame_idstring;
|
||
$frame_remainingdata = substr($parsedFrame['data'], $frame_terminatorpos + strlen("\x00"));
|
||
while (strlen($frame_remainingdata)) {
|
||
$frame_frequency = getid3_lib::BigEndian2Int(substr($frame_remainingdata, 0, 2)) / 2;
|
||
$parsedFrame['data'][$frame_frequency] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, 2, 2), false, true);
|
||
$frame_remainingdata = substr($frame_remainingdata, 4);
|
||
}
|
||
$parsedFrame['interpolationmethod'] = $frame_interpolationmethod;
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion == 3) && ($parsedFrame['frame_name'] == 'EQUA')) || // 4.12 EQUA Equalisation (ID3v2.3 only)
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'EQU'))) { // 4.13 EQU Equalisation (ID3v2.2 only)
|
||
// There may only be one 'EQUA' frame in each tag
|
||
// <Header for 'Relative volume adjustment', ID: 'EQU'>
|
||
// Adjustment bits $xx
|
||
// This is followed by 2 bytes + ('adjustment bits' rounded up to the
|
||
// nearest byte) for every equalisation band in the following format,
|
||
// giving a frequency range of 0 - 32767Hz:
|
||
// Increment/decrement %x (MSB of the Frequency)
|
||
// Frequency (lower 15 bits)
|
||
// Adjustment $xx (xx ...)
|
||
|
||
$frame_offset = 0;
|
||
$parsedFrame['adjustmentbits'] = substr($parsedFrame['data'], $frame_offset++, 1);
|
||
$frame_adjustmentbytes = ceil($parsedFrame['adjustmentbits'] / 8);
|
||
|
||
$frame_remainingdata = (string) substr($parsedFrame['data'], $frame_offset);
|
||
while (strlen($frame_remainingdata) > 0) {
|
||
$frame_frequencystr = getid3_lib::BigEndian2Bin(substr($frame_remainingdata, 0, 2));
|
||
$frame_incdec = (bool) substr($frame_frequencystr, 0, 1);
|
||
$frame_frequency = bindec(substr($frame_frequencystr, 1, 15));
|
||
$parsedFrame[$frame_frequency]['incdec'] = $frame_incdec;
|
||
$parsedFrame[$frame_frequency]['adjustment'] = getid3_lib::BigEndian2Int(substr($frame_remainingdata, 2, $frame_adjustmentbytes));
|
||
if ($parsedFrame[$frame_frequency]['incdec'] === false) {
|
||
$parsedFrame[$frame_frequency]['adjustment'] *= -1;
|
||
}
|
||
$frame_remainingdata = substr($frame_remainingdata, 2 + $frame_adjustmentbytes);
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'RVRB')) || // 4.13 RVRB Reverb
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'REV'))) { // 4.14 REV Reverb
|
||
// There may only be one 'RVRB' frame in each tag.
|
||
// <Header for 'Reverb', ID: 'RVRB'>
|
||
// Reverb left (ms) $xx xx
|
||
// Reverb right (ms) $xx xx
|
||
// Reverb bounces, left $xx
|
||
// Reverb bounces, right $xx
|
||
// Reverb feedback, left to left $xx
|
||
// Reverb feedback, left to right $xx
|
||
// Reverb feedback, right to right $xx
|
||
// Reverb feedback, right to left $xx
|
||
// Premix left to right $xx
|
||
// Premix right to left $xx
|
||
|
||
$frame_offset = 0;
|
||
$parsedFrame['left'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
|
||
$frame_offset += 2;
|
||
$parsedFrame['right'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
|
||
$frame_offset += 2;
|
||
$parsedFrame['bouncesL'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['bouncesR'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['feedbackLL'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['feedbackLR'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['feedbackRR'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['feedbackRL'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['premixLR'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['premixRL'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'APIC')) || // 4.14 APIC Attached picture
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'PIC'))) { // 4.15 PIC Attached picture
|
||
// There may be several pictures attached to one file,
|
||
// each in their individual 'APIC' frame, but only one
|
||
// with the same content descriptor
|
||
// <Header for 'Attached picture', ID: 'APIC'>
|
||
// Text encoding $xx
|
||
// ID3v2.3+ => MIME type <text string> $00
|
||
// ID3v2.2 => Image format $xx xx xx
|
||
// Picture type $xx
|
||
// Description <text string according to encoding> $00 (00)
|
||
// Picture data <binary data>
|
||
|
||
$frame_offset = 0;
|
||
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
|
||
$info['warning'][] = 'Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding';
|
||
}
|
||
|
||
if ($id3v2_majorversion == 2 && strlen($parsedFrame['data']) > $frame_offset) {
|
||
$frame_imagetype = substr($parsedFrame['data'], $frame_offset, 3);
|
||
if (strtolower($frame_imagetype) == 'ima') {
|
||
// complete hack for mp3Rage (www.chaoticsoftware.com) that puts ID3v2.3-formatted
|
||
// MIME type instead of 3-char ID3v2.2-format image type (thanks xbhoff<66>pacbell*net)
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_mimetype) === 0) {
|
||
$frame_mimetype = '';
|
||
}
|
||
$frame_imagetype = strtoupper(str_replace('image/', '', strtolower($frame_mimetype)));
|
||
if ($frame_imagetype == 'JPEG') {
|
||
$frame_imagetype = 'JPG';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
} else {
|
||
$frame_offset += 3;
|
||
}
|
||
}
|
||
if ($id3v2_majorversion > 2 && strlen($parsedFrame['data']) > $frame_offset) {
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_mimetype) === 0) {
|
||
$frame_mimetype = '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
}
|
||
|
||
$frame_picturetype = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
|
||
if ($frame_offset >= $parsedFrame['datalength']) {
|
||
$info['warning'][] = 'data portion of APIC frame is missing at offset '.($parsedFrame['dataoffset'] + 8 + $frame_offset);
|
||
} else {
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset);
|
||
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) {
|
||
$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
|
||
}
|
||
$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_description) === 0) {
|
||
$frame_description = '';
|
||
}
|
||
$parsedFrame['encodingid'] = $frame_textencoding;
|
||
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
|
||
|
||
if ($id3v2_majorversion == 2) {
|
||
$parsedFrame['imagetype'] = $frame_imagetype;
|
||
} else {
|
||
$parsedFrame['mime'] = $frame_mimetype;
|
||
}
|
||
$parsedFrame['picturetypeid'] = $frame_picturetype;
|
||
$parsedFrame['picturetype'] = $this->APICPictureTypeLookup($frame_picturetype);
|
||
$parsedFrame['description'] = $frame_description;
|
||
$parsedFrame['data'] = substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)));
|
||
$parsedFrame['datalength'] = strlen($parsedFrame['data']);
|
||
|
||
$parsedFrame['image_mime'] = '';
|
||
$imageinfo = array();
|
||
$imagechunkcheck = getid3_lib::GetDataImageSize($parsedFrame['data'], $imageinfo);
|
||
if (($imagechunkcheck[2] >= 1) && ($imagechunkcheck[2] <= 3)) {
|
||
$parsedFrame['image_mime'] = 'image/'.getid3_lib::ImageTypesLookup($imagechunkcheck[2]);
|
||
if ($imagechunkcheck[0]) {
|
||
$parsedFrame['image_width'] = $imagechunkcheck[0];
|
||
}
|
||
if ($imagechunkcheck[1]) {
|
||
$parsedFrame['image_height'] = $imagechunkcheck[1];
|
||
}
|
||
}
|
||
|
||
do {
|
||
if ($this->getid3->option_save_attachments === false) {
|
||
// skip entirely
|
||
unset($parsedFrame['data']);
|
||
break;
|
||
}
|
||
if ($this->getid3->option_save_attachments === true) {
|
||
// great
|
||
/*
|
||
} elseif (is_int($this->getid3->option_save_attachments)) {
|
||
if ($this->getid3->option_save_attachments < $parsedFrame['data_length']) {
|
||
// too big, skip
|
||
$info['warning'][] = 'attachment at '.$frame_offset.' is too large to process inline ('.number_format($parsedFrame['data_length']).' bytes)';
|
||
unset($parsedFrame['data']);
|
||
break;
|
||
}
|
||
*/
|
||
} elseif (is_string($this->getid3->option_save_attachments)) {
|
||
$dir = rtrim(str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $this->getid3->option_save_attachments), DIRECTORY_SEPARATOR);
|
||
if (!is_dir($dir) || !is_writable($dir)) {
|
||
// cannot write, skip
|
||
$info['warning'][] = 'attachment at '.$frame_offset.' cannot be saved to "'.$dir.'" (not writable)';
|
||
unset($parsedFrame['data']);
|
||
break;
|
||
}
|
||
}
|
||
// if we get this far, must be OK
|
||
if (is_string($this->getid3->option_save_attachments)) {
|
||
$destination_filename = $dir.DIRECTORY_SEPARATOR.md5($info['filenamepath']).'_'.$frame_offset;
|
||
if (!file_exists($destination_filename) || is_writable($destination_filename)) {
|
||
file_put_contents($destination_filename, $parsedFrame['data']);
|
||
} else {
|
||
$info['warning'][] = 'attachment at '.$frame_offset.' cannot be saved to "'.$destination_filename.'" (not writable)';
|
||
}
|
||
$parsedFrame['data_filename'] = $destination_filename;
|
||
unset($parsedFrame['data']);
|
||
} else {
|
||
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
|
||
if (!isset($info['id3v2']['comments']['picture'])) {
|
||
$info['id3v2']['comments']['picture'] = array();
|
||
}
|
||
$info['id3v2']['comments']['picture'][] = array('data'=>$parsedFrame['data'], 'image_mime'=>$parsedFrame['image_mime']);
|
||
}
|
||
}
|
||
} while (false);
|
||
}
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'GEOB')) || // 4.15 GEOB General encapsulated object
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'GEO'))) { // 4.16 GEO General encapsulated object
|
||
// There may be more than one 'GEOB' frame in each tag,
|
||
// but only one with the same content descriptor
|
||
// <Header for 'General encapsulated object', ID: 'GEOB'>
|
||
// Text encoding $xx
|
||
// MIME type <text string> $00
|
||
// Filename <text string according to encoding> $00 (00)
|
||
// Content description <text string according to encoding> $00 (00)
|
||
// Encapsulated object <binary data>
|
||
|
||
$frame_offset = 0;
|
||
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
|
||
$info['warning'][] = 'Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding';
|
||
}
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_mimetype) === 0) {
|
||
$frame_mimetype = '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset);
|
||
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) {
|
||
$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
|
||
}
|
||
$frame_filename = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_filename) === 0) {
|
||
$frame_filename = '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding));
|
||
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset);
|
||
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) {
|
||
$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
|
||
}
|
||
$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_description) === 0) {
|
||
$frame_description = '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding));
|
||
|
||
$parsedFrame['objectdata'] = (string) substr($parsedFrame['data'], $frame_offset);
|
||
$parsedFrame['encodingid'] = $frame_textencoding;
|
||
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
|
||
|
||
$parsedFrame['mime'] = $frame_mimetype;
|
||
$parsedFrame['filename'] = $frame_filename;
|
||
$parsedFrame['description'] = $frame_description;
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'PCNT')) || // 4.16 PCNT Play counter
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'CNT'))) { // 4.17 CNT Play counter
|
||
// There may only be one 'PCNT' frame in each tag.
|
||
// When the counter reaches all one's, one byte is inserted in
|
||
// front of the counter thus making the counter eight bits bigger
|
||
// <Header for 'Play counter', ID: 'PCNT'>
|
||
// Counter $xx xx xx xx (xx ...)
|
||
|
||
$parsedFrame['data'] = getid3_lib::BigEndian2Int($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'POPM')) || // 4.17 POPM Popularimeter
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'POP'))) { // 4.18 POP Popularimeter
|
||
// There may be more than one 'POPM' frame in each tag,
|
||
// but only one with the same email address
|
||
// <Header for 'Popularimeter', ID: 'POPM'>
|
||
// Email to user <text string> $00
|
||
// Rating $xx
|
||
// Counter $xx xx xx xx (xx ...)
|
||
|
||
$frame_offset = 0;
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_emailaddress = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_emailaddress) === 0) {
|
||
$frame_emailaddress = '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
$frame_rating = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['counter'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset));
|
||
$parsedFrame['email'] = $frame_emailaddress;
|
||
$parsedFrame['rating'] = $frame_rating;
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'RBUF')) || // 4.18 RBUF Recommended buffer size
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'BUF'))) { // 4.19 BUF Recommended buffer size
|
||
// There may only be one 'RBUF' frame in each tag
|
||
// <Header for 'Recommended buffer size', ID: 'RBUF'>
|
||
// Buffer size $xx xx xx
|
||
// Embedded info flag %0000000x
|
||
// Offset to next tag $xx xx xx xx
|
||
|
||
$frame_offset = 0;
|
||
$parsedFrame['buffersize'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 3));
|
||
$frame_offset += 3;
|
||
|
||
$frame_embeddedinfoflags = getid3_lib::BigEndian2Bin(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['flags']['embededinfo'] = (bool) substr($frame_embeddedinfoflags, 7, 1);
|
||
$parsedFrame['nexttagoffset'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif (($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'CRM')) { // 4.20 Encrypted meta frame (ID3v2.2 only)
|
||
// There may be more than one 'CRM' frame in a tag,
|
||
// but only one with the same 'owner identifier'
|
||
// <Header for 'Encrypted meta frame', ID: 'CRM'>
|
||
// Owner identifier <textstring> $00 (00)
|
||
// Content/explanation <textstring> $00 (00)
|
||
// Encrypted datablock <binary data>
|
||
|
||
$frame_offset = 0;
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_description) === 0) {
|
||
$frame_description = '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
|
||
$parsedFrame['ownerid'] = $frame_ownerid;
|
||
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
|
||
$parsedFrame['description'] = $frame_description;
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'AENC')) || // 4.19 AENC Audio encryption
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'CRA'))) { // 4.21 CRA Audio encryption
|
||
// There may be more than one 'AENC' frames in a tag,
|
||
// but only one with the same 'Owner identifier'
|
||
// <Header for 'Audio encryption', ID: 'AENC'>
|
||
// Owner identifier <text string> $00
|
||
// Preview start $xx xx
|
||
// Preview length $xx xx
|
||
// Encryption info <binary data>
|
||
|
||
$frame_offset = 0;
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_ownerid) === 0) {
|
||
$frame_ownerid == '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
$parsedFrame['ownerid'] = $frame_ownerid;
|
||
$parsedFrame['previewstart'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
|
||
$frame_offset += 2;
|
||
$parsedFrame['previewlength'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
|
||
$frame_offset += 2;
|
||
$parsedFrame['encryptioninfo'] = (string) substr($parsedFrame['data'], $frame_offset);
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif ((($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'LINK')) || // 4.20 LINK Linked information
|
||
(($id3v2_majorversion == 2) && ($parsedFrame['frame_name'] == 'LNK'))) { // 4.22 LNK Linked information
|
||
// There may be more than one 'LINK' frame in a tag,
|
||
// but only one with the same contents
|
||
// <Header for 'Linked information', ID: 'LINK'>
|
||
// ID3v2.3+ => Frame identifier $xx xx xx xx
|
||
// ID3v2.2 => Frame identifier $xx xx xx
|
||
// URL <text string> $00
|
||
// ID and additional data <text string(s)>
|
||
|
||
$frame_offset = 0;
|
||
if ($id3v2_majorversion == 2) {
|
||
$parsedFrame['frameid'] = substr($parsedFrame['data'], $frame_offset, 3);
|
||
$frame_offset += 3;
|
||
} else {
|
||
$parsedFrame['frameid'] = substr($parsedFrame['data'], $frame_offset, 4);
|
||
$frame_offset += 4;
|
||
}
|
||
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_url = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_url) === 0) {
|
||
$frame_url = '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
$parsedFrame['url'] = $frame_url;
|
||
|
||
$parsedFrame['additionaldata'] = (string) substr($parsedFrame['data'], $frame_offset);
|
||
if (!empty($parsedFrame['framenameshort']) && $parsedFrame['url']) {
|
||
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = utf8_encode($parsedFrame['url']);
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'POSS')) { // 4.21 POSS Position synchronisation frame (ID3v2.3+ only)
|
||
// There may only be one 'POSS' frame in each tag
|
||
// <Head for 'Position synchronisation', ID: 'POSS'>
|
||
// Time stamp format $xx
|
||
// Position $xx (xx ...)
|
||
|
||
$frame_offset = 0;
|
||
$parsedFrame['timestampformat'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['position'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset));
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'USER')) { // 4.22 USER Terms of use (ID3v2.3+ only)
|
||
// There may be more than one 'Terms of use' frame in a tag,
|
||
// but only one with the same 'Language'
|
||
// <Header for 'Terms of use frame', ID: 'USER'>
|
||
// Text encoding $xx
|
||
// Language $xx xx xx
|
||
// The actual text <text string according to encoding>
|
||
|
||
$frame_offset = 0;
|
||
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
|
||
$info['warning'][] = 'Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding';
|
||
}
|
||
$frame_language = substr($parsedFrame['data'], $frame_offset, 3);
|
||
$frame_offset += 3;
|
||
$parsedFrame['language'] = $frame_language;
|
||
$parsedFrame['languagename'] = $this->LanguageLookup($frame_language, false);
|
||
$parsedFrame['encodingid'] = $frame_textencoding;
|
||
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
|
||
|
||
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
|
||
if (!empty($parsedFrame['framenameshort']) && !empty($parsedFrame['data'])) {
|
||
$info['id3v2']['comments'][$parsedFrame['framenameshort']][] = getid3_lib::iconv_fallback($parsedFrame['encoding'], $info['id3v2']['encoding'], $parsedFrame['data']);
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'OWNE')) { // 4.23 OWNE Ownership frame (ID3v2.3+ only)
|
||
// There may only be one 'OWNE' frame in a tag
|
||
// <Header for 'Ownership frame', ID: 'OWNE'>
|
||
// Text encoding $xx
|
||
// Price paid <text string> $00
|
||
// Date of purch. <text string>
|
||
// Seller <text string according to encoding>
|
||
|
||
$frame_offset = 0;
|
||
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
|
||
$info['warning'][] = 'Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding';
|
||
}
|
||
$parsedFrame['encodingid'] = $frame_textencoding;
|
||
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
|
||
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_pricepaid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
|
||
$parsedFrame['pricepaid']['currencyid'] = substr($frame_pricepaid, 0, 3);
|
||
$parsedFrame['pricepaid']['currency'] = $this->LookupCurrencyUnits($parsedFrame['pricepaid']['currencyid']);
|
||
$parsedFrame['pricepaid']['value'] = substr($frame_pricepaid, 3);
|
||
|
||
$parsedFrame['purchasedate'] = substr($parsedFrame['data'], $frame_offset, 8);
|
||
if (!$this->IsValidDateStampString($parsedFrame['purchasedate'])) {
|
||
$parsedFrame['purchasedateunix'] = mktime (0, 0, 0, substr($parsedFrame['purchasedate'], 4, 2), substr($parsedFrame['purchasedate'], 6, 2), substr($parsedFrame['purchasedate'], 0, 4));
|
||
}
|
||
$frame_offset += 8;
|
||
|
||
$parsedFrame['seller'] = (string) substr($parsedFrame['data'], $frame_offset);
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'COMR')) { // 4.24 COMR Commercial frame (ID3v2.3+ only)
|
||
// There may be more than one 'commercial frame' in a tag,
|
||
// but no two may be identical
|
||
// <Header for 'Commercial frame', ID: 'COMR'>
|
||
// Text encoding $xx
|
||
// Price string <text string> $00
|
||
// Valid until <text string>
|
||
// Contact URL <text string> $00
|
||
// Received as $xx
|
||
// Name of seller <text string according to encoding> $00 (00)
|
||
// Description <text string according to encoding> $00 (00)
|
||
// Picture MIME type <string> $00
|
||
// Seller logo <binary data>
|
||
|
||
$frame_offset = 0;
|
||
$frame_textencoding = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
if ((($id3v2_majorversion <= 3) && ($frame_textencoding > 1)) || (($id3v2_majorversion == 4) && ($frame_textencoding > 3))) {
|
||
$info['warning'][] = 'Invalid text encoding byte ('.$frame_textencoding.') in frame "'.$parsedFrame['frame_name'].'" - defaulting to ISO-8859-1 encoding';
|
||
}
|
||
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_pricestring = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
$frame_rawpricearray = explode('/', $frame_pricestring);
|
||
foreach ($frame_rawpricearray as $key => $val) {
|
||
$frame_currencyid = substr($val, 0, 3);
|
||
$parsedFrame['price'][$frame_currencyid]['currency'] = $this->LookupCurrencyUnits($frame_currencyid);
|
||
$parsedFrame['price'][$frame_currencyid]['value'] = substr($val, 3);
|
||
}
|
||
|
||
$frame_datestring = substr($parsedFrame['data'], $frame_offset, 8);
|
||
$frame_offset += 8;
|
||
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_contacturl = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
|
||
$frame_receivedasid = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset);
|
||
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) {
|
||
$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
|
||
}
|
||
$frame_sellername = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_sellername) === 0) {
|
||
$frame_sellername = '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding));
|
||
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], $this->TextEncodingTerminatorLookup($frame_textencoding), $frame_offset);
|
||
if (ord(substr($parsedFrame['data'], $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding)), 1)) === 0) {
|
||
$frame_terminatorpos++; // strpos() fooled because 2nd byte of Unicode chars are often 0x00
|
||
}
|
||
$frame_description = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_description) === 0) {
|
||
$frame_description = '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen($this->TextEncodingTerminatorLookup($frame_textencoding));
|
||
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_mimetype = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
|
||
$frame_sellerlogo = substr($parsedFrame['data'], $frame_offset);
|
||
|
||
$parsedFrame['encodingid'] = $frame_textencoding;
|
||
$parsedFrame['encoding'] = $this->TextEncodingNameLookup($frame_textencoding);
|
||
|
||
$parsedFrame['pricevaliduntil'] = $frame_datestring;
|
||
$parsedFrame['contacturl'] = $frame_contacturl;
|
||
$parsedFrame['receivedasid'] = $frame_receivedasid;
|
||
$parsedFrame['receivedas'] = $this->COMRReceivedAsLookup($frame_receivedasid);
|
||
$parsedFrame['sellername'] = $frame_sellername;
|
||
$parsedFrame['description'] = $frame_description;
|
||
$parsedFrame['mime'] = $frame_mimetype;
|
||
$parsedFrame['logo'] = $frame_sellerlogo;
|
||
unset($parsedFrame['data']);
|
||
|
||
|
||
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'ENCR')) { // 4.25 ENCR Encryption method registration (ID3v2.3+ only)
|
||
// There may be several 'ENCR' frames in a tag,
|
||
// but only one containing the same symbol
|
||
// and only one containing the same owner identifier
|
||
// <Header for 'Encryption method registration', ID: 'ENCR'>
|
||
// Owner identifier <text string> $00
|
||
// Method symbol $xx
|
||
// Encryption data <binary data>
|
||
|
||
$frame_offset = 0;
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_ownerid) === 0) {
|
||
$frame_ownerid = '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
|
||
$parsedFrame['ownerid'] = $frame_ownerid;
|
||
$parsedFrame['methodsymbol'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
|
||
|
||
|
||
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'GRID')) { // 4.26 GRID Group identification registration (ID3v2.3+ only)
|
||
|
||
// There may be several 'GRID' frames in a tag,
|
||
// but only one containing the same symbol
|
||
// and only one containing the same owner identifier
|
||
// <Header for 'Group ID registration', ID: 'GRID'>
|
||
// Owner identifier <text string> $00
|
||
// Group symbol $xx
|
||
// Group dependent data <binary data>
|
||
|
||
$frame_offset = 0;
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_ownerid) === 0) {
|
||
$frame_ownerid = '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
|
||
$parsedFrame['ownerid'] = $frame_ownerid;
|
||
$parsedFrame['groupsymbol'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
|
||
|
||
|
||
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'PRIV')) { // 4.27 PRIV Private frame (ID3v2.3+ only)
|
||
// The tag may contain more than one 'PRIV' frame
|
||
// but only with different contents
|
||
// <Header for 'Private frame', ID: 'PRIV'>
|
||
// Owner identifier <text string> $00
|
||
// The private data <binary data>
|
||
|
||
$frame_offset = 0;
|
||
$frame_terminatorpos = strpos($parsedFrame['data'], "\x00", $frame_offset);
|
||
$frame_ownerid = substr($parsedFrame['data'], $frame_offset, $frame_terminatorpos - $frame_offset);
|
||
if (ord($frame_ownerid) === 0) {
|
||
$frame_ownerid = '';
|
||
}
|
||
$frame_offset = $frame_terminatorpos + strlen("\x00");
|
||
|
||
$parsedFrame['ownerid'] = $frame_ownerid;
|
||
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
|
||
|
||
|
||
} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'SIGN')) { // 4.28 SIGN Signature frame (ID3v2.4+ only)
|
||
// There may be more than one 'signature frame' in a tag,
|
||
// but no two may be identical
|
||
// <Header for 'Signature frame', ID: 'SIGN'>
|
||
// Group symbol $xx
|
||
// Signature <binary data>
|
||
|
||
$frame_offset = 0;
|
||
$parsedFrame['groupsymbol'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$parsedFrame['data'] = (string) substr($parsedFrame['data'], $frame_offset);
|
||
|
||
|
||
} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'SEEK')) { // 4.29 SEEK Seek frame (ID3v2.4+ only)
|
||
// There may only be one 'seek frame' in a tag
|
||
// <Header for 'Seek frame', ID: 'SEEK'>
|
||
// Minimum offset to next tag $xx xx xx xx
|
||
|
||
$frame_offset = 0;
|
||
$parsedFrame['data'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
|
||
|
||
|
||
} elseif (($id3v2_majorversion >= 4) && ($parsedFrame['frame_name'] == 'ASPI')) { // 4.30 ASPI Audio seek point index (ID3v2.4+ only)
|
||
// There may only be one 'audio seek point index' frame in a tag
|
||
// <Header for 'Seek Point Index', ID: 'ASPI'>
|
||
// Indexed data start (S) $xx xx xx xx
|
||
// Indexed data length (L) $xx xx xx xx
|
||
// Number of index points (N) $xx xx
|
||
// Bits per index point (b) $xx
|
||
// Then for every index point the following data is included:
|
||
// Fraction at index (Fi) $xx (xx)
|
||
|
||
$frame_offset = 0;
|
||
$parsedFrame['datastart'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
|
||
$frame_offset += 4;
|
||
$parsedFrame['indexeddatalength'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 4));
|
||
$frame_offset += 4;
|
||
$parsedFrame['indexpoints'] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, 2));
|
||
$frame_offset += 2;
|
||
$parsedFrame['bitsperpoint'] = ord(substr($parsedFrame['data'], $frame_offset++, 1));
|
||
$frame_bytesperpoint = ceil($parsedFrame['bitsperpoint'] / 8);
|
||
for ($i = 0; $i < $frame_indexpoints; $i++) {
|
||
$parsedFrame['indexes'][$i] = getid3_lib::BigEndian2Int(substr($parsedFrame['data'], $frame_offset, $frame_bytesperpoint));
|
||
$frame_offset += $frame_bytesperpoint;
|
||
}
|
||
unset($parsedFrame['data']);
|
||
|
||
} elseif (($id3v2_majorversion >= 3) && ($parsedFrame['frame_name'] == 'RGAD')) { // Replay Gain Adjustment
|
||
// http://privatewww.essex.ac.uk/~djmrob/replaygain/file_format_id3v2.html
|
||
// There may only be one 'RGAD' frame in a tag
|
||
// <Header for 'Replay Gain Adjustment', ID: 'RGAD'>
|
||
// Peak Amplitude $xx $xx $xx $xx
|
||
// Radio Replay Gain Adjustment %aaabbbcd %dddddddd
|
||
// Audiophile Replay Gain Adjustment %aaabbbcd %dddddddd
|
||
// a - name code
|
||
// b - originator code
|
||
// c - sign bit
|
||
// d - replay gain adjustment
|
||
|
||
$frame_offset = 0;
|
||
$parsedFrame['peakamplitude'] = getid3_lib::BigEndian2Float(substr($parsedFrame['data'], $frame_offset, 4));
|
||
$frame_offset += 4;
|
||
$rg_track_adjustment = getid3_lib::Dec2Bin(substr($parsedFrame['data'], $frame_offset, 2));
|
||
$frame_offset += 2;
|
||
$rg_album_adjustment = getid3_lib::Dec2Bin(substr($parsedFrame['data'], $frame_offset, 2));
|
||
$frame_offset += 2;
|
||
$parsedFrame['raw']['track']['name'] = getid3_lib::Bin2Dec(substr($rg_track_adjustment, 0, 3));
|
||
$parsedFrame['raw']['track']['originator'] = getid3_lib::Bin2Dec(substr($rg_track_adjustment, 3, 3));
|
||
$parsedFrame['raw']['track']['signbit'] = getid3_lib::Bin2Dec(substr($rg_track_adjustment, 6, 1));
|
||
$parsedFrame['raw']['track']['adjustment'] = getid3_lib::Bin2Dec(substr($rg_track_adjustment, 7, 9));
|
||
$parsedFrame['raw']['album']['name'] = getid3_lib::Bin2Dec(substr($rg_album_adjustment, 0, 3));
|
||
$parsedFrame['raw']['album']['originator'] = getid3_lib::Bin2Dec(substr($rg_album_adjustment, 3, 3));
|
||
$parsedFrame['raw']['album']['signbit'] = getid3_lib::Bin2Dec(substr($rg_album_adjustment, 6, 1));
|
||
$parsedFrame['raw']['album']['adjustment'] = getid3_lib::Bin2Dec(substr($rg_album_adjustment, 7, 9));
|
||
$parsedFrame['track']['name'] = getid3_lib::RGADnameLookup($parsedFrame['raw']['track']['name']);
|
||
$parsedFrame['track']['originator'] = getid3_lib::RGADoriginatorLookup($parsedFrame['raw']['track']['originator']);
|
||
$parsedFrame['track']['adjustment'] = getid3_lib::RGADadjustmentLookup($parsedFrame['raw']['track']['adjustment'], $parsedFrame['raw']['track']['signbit']);
|
||
$parsedFrame['album']['name'] = getid3_lib::RGADnameLookup($parsedFrame['raw']['album']['name']);
|
||
$parsedFrame['album']['originator'] = getid3_lib::RGADoriginatorLookup($parsedFrame['raw']['album']['originator']);
|
||
$parsedFrame['album']['adjustment'] = getid3_lib::RGADadjustmentLookup($parsedFrame['raw']['album']['adjustment'], $parsedFrame['raw']['album']['signbit']);
|
||
|
||
$info['replay_gain']['track']['peak'] = $parsedFrame['peakamplitude'];
|
||
$info['replay_gain']['track']['originator'] = $parsedFrame['track']['originator'];
|
||
$info['replay_gain']['track']['adjustment'] = $parsedFrame['track']['adjustment'];
|
||
$info['replay_gain']['album']['originator'] = $parsedFrame['album']['originator'];
|
||
$info['replay_gain']['album']['adjustment'] = $parsedFrame['album']['adjustment'];
|
||
|
||
unset($parsedFrame['data']);
|
||
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
public function DeUnsynchronise($data) {
|
||
return str_replace("\xFF\x00", "\xFF", $data);
|
||
}
|
||
|
||
public function LookupExtendedHeaderRestrictionsTagSizeLimits($index) {
|
||
static $LookupExtendedHeaderRestrictionsTagSizeLimits = array(
|
||
0x00 => 'No more than 128 frames and 1 MB total tag size',
|
||
0x01 => 'No more than 64 frames and 128 KB total tag size',
|
||
0x02 => 'No more than 32 frames and 40 KB total tag size',
|
||
0x03 => 'No more than 32 frames and 4 KB total tag size',
|
||
);
|
||
return (isset($LookupExtendedHeaderRestrictionsTagSizeLimits[$index]) ? $LookupExtendedHeaderRestrictionsTagSizeLimits[$index] : '');
|
||
}
|
||
|
||
public function LookupExtendedHeaderRestrictionsTextEncodings($index) {
|
||
static $LookupExtendedHeaderRestrictionsTextEncodings = array(
|
||
0x00 => 'No restrictions',
|
||
0x01 => 'Strings are only encoded with ISO-8859-1 or UTF-8',
|
||
);
|
||
return (isset($LookupExtendedHeaderRestrictionsTextEncodings[$index]) ? $LookupExtendedHeaderRestrictionsTextEncodings[$index] : '');
|
||
}
|
||
|
||
public function LookupExtendedHeaderRestrictionsTextFieldSize($index) {
|
||
static $LookupExtendedHeaderRestrictionsTextFieldSize = array(
|
||
0x00 => 'No restrictions',
|
||
0x01 => 'No string is longer than 1024 characters',
|
||
0x02 => 'No string is longer than 128 characters',
|
||
0x03 => 'No string is longer than 30 characters',
|
||
);
|
||
return (isset($LookupExtendedHeaderRestrictionsTextFieldSize[$index]) ? $LookupExtendedHeaderRestrictionsTextFieldSize[$index] : '');
|
||
}
|
||
|
||
public function LookupExtendedHeaderRestrictionsImageEncoding($index) {
|
||
static $LookupExtendedHeaderRestrictionsImageEncoding = array(
|
||
0x00 => 'No restrictions',
|
||
0x01 => 'Images are encoded only with PNG or JPEG',
|
||
);
|
||
return (isset($LookupExtendedHeaderRestrictionsImageEncoding[$index]) ? $LookupExtendedHeaderRestrictionsImageEncoding[$index] : '');
|
||
}
|
||
|
||
public function LookupExtendedHeaderRestrictionsImageSizeSize($index) {
|
||
static $LookupExtendedHeaderRestrictionsImageSizeSize = array(
|
||
0x00 => 'No restrictions',
|
||
0x01 => 'All images are 256x256 pixels or smaller',
|
||
0x02 => 'All images are 64x64 pixels or smaller',
|
||
0x03 => 'All images are exactly 64x64 pixels, unless required otherwise',
|
||
);
|
||
return (isset($LookupExtendedHeaderRestrictionsImageSizeSize[$index]) ? $LookupExtendedHeaderRestrictionsImageSizeSize[$index] : '');
|
||
}
|
||
|
||
public function LookupCurrencyUnits($currencyid) {
|
||
|
||
$begin = __LINE__;
|
||
|
||
/** This is not a comment!
|
||
|
||
|
||
AED Dirhams
|
||
AFA Afghanis
|
||
ALL Leke
|
||
AMD Drams
|
||
ANG Guilders
|
||
AOA Kwanza
|
||
ARS Pesos
|
||
ATS Schillings
|
||
AUD Dollars
|
||
AWG Guilders
|
||
AZM Manats
|
||
BAM Convertible Marka
|
||
BBD Dollars
|
||
BDT Taka
|
||
BEF Francs
|
||
BGL Leva
|
||
BHD Dinars
|
||
BIF Francs
|
||
BMD Dollars
|
||
BND Dollars
|
||
BOB Bolivianos
|
||
BRL Brazil Real
|
||
BSD Dollars
|
||
BTN Ngultrum
|
||
BWP Pulas
|
||
BYR Rubles
|
||
BZD Dollars
|
||
CAD Dollars
|
||
CDF Congolese Francs
|
||
CHF Francs
|
||
CLP Pesos
|
||
CNY Yuan Renminbi
|
||
COP Pesos
|
||
CRC Colones
|
||
CUP Pesos
|
||
CVE Escudos
|
||
CYP Pounds
|
||
CZK Koruny
|
||
DEM Deutsche Marks
|
||
DJF Francs
|
||
DKK Kroner
|
||
DOP Pesos
|
||
DZD Algeria Dinars
|
||
EEK Krooni
|
||
EGP Pounds
|
||
ERN Nakfa
|
||
ESP Pesetas
|
||
ETB Birr
|
||
EUR Euro
|
||
FIM Markkaa
|
||
FJD Dollars
|
||
FKP Pounds
|
||
FRF Francs
|
||
GBP Pounds
|
||
GEL Lari
|
||
GGP Pounds
|
||
GHC Cedis
|
||
GIP Pounds
|
||
GMD Dalasi
|
||
GNF Francs
|
||
GRD Drachmae
|
||
GTQ Quetzales
|
||
GYD Dollars
|
||
HKD Dollars
|
||
HNL Lempiras
|
||
HRK Kuna
|
||
HTG Gourdes
|
||
HUF Forints
|
||
IDR Rupiahs
|
||
IEP Pounds
|
||
ILS New Shekels
|
||
IMP Pounds
|
||
INR Rupees
|
||
IQD Dinars
|
||
IRR Rials
|
||
ISK Kronur
|
||
ITL Lire
|
||
JEP Pounds
|
||
JMD Dollars
|
||
JOD Dinars
|
||
JPY Yen
|
||
KES Shillings
|
||
KGS Soms
|
||
KHR Riels
|
||
KMF Francs
|
||
KPW Won
|
||
KWD Dinars
|
||
KYD Dollars
|
||
KZT Tenge
|
||
LAK Kips
|
||
LBP Pounds
|
||
LKR Rupees
|
||
LRD Dollars
|
||
LSL Maloti
|
||
LTL Litai
|
||
LUF Francs
|
||
LVL Lati
|
||
LYD Dinars
|
||
MAD Dirhams
|
||
MDL Lei
|
||
MGF Malagasy Francs
|
||
MKD Denars
|
||
MMK Kyats
|
||
MNT Tugriks
|
||
MOP Patacas
|
||
MRO Ouguiyas
|
||
MTL Liri
|
||
MUR Rupees
|
||
MVR Rufiyaa
|
||
MWK Kwachas
|
||
MXN Pesos
|
||
MYR Ringgits
|
||
MZM Meticais
|
||
NAD Dollars
|
||
NGN Nairas
|
||
NIO Gold Cordobas
|
||
NLG Guilders
|
||
NOK Krone
|
||
NPR Nepal Rupees
|
||
NZD Dollars
|
||
OMR Rials
|
||
PAB Balboa
|
||
PEN Nuevos Soles
|
||
PGK Kina
|
||
PHP Pesos
|
||
PKR Rupees
|
||
PLN Zlotych
|
||
PTE Escudos
|
||
PYG Guarani
|
||
QAR Rials
|
||
ROL Lei
|
||
RUR Rubles
|
||
RWF Rwanda Francs
|
||
SAR Riyals
|
||
SBD Dollars
|
||
SCR Rupees
|
||
SDD Dinars
|
||
SEK Kronor
|
||
SGD Dollars
|
||
SHP Pounds
|
||
SIT Tolars
|
||
SKK Koruny
|
||
SLL Leones
|
||
SOS Shillings
|
||
SPL Luigini
|
||
SRG Guilders
|
||
STD Dobras
|
||
SVC Colones
|
||
SYP Pounds
|
||
SZL Emalangeni
|
||
THB Baht
|
||
TJR Rubles
|
||
TMM Manats
|
||
TND Dinars
|
||
TOP Pa'anga
|
||
TRL Liras
|
||
TTD Dollars
|
||
TVD Tuvalu Dollars
|
||
TWD New Dollars
|
||
TZS Shillings
|
||
UAH Hryvnia
|
||
UGX Shillings
|
||
USD Dollars
|
||
UYU Pesos
|
||
UZS Sums
|
||
VAL Lire
|
||
VEB Bolivares
|
||
VND Dong
|
||
VUV Vatu
|
||
WST Tala
|
||
XAF Francs
|
||
XAG Ounces
|
||
XAU Ounces
|
||
XCD Dollars
|
||
XDR Special Drawing Rights
|
||
XPD Ounces
|
||
XPF Francs
|
||
XPT Ounces
|
||
YER Rials
|
||
YUM New Dinars
|
||
ZAR Rand
|
||
ZMK Kwacha
|
||
ZWD Zimbabwe Dollars
|
||
|
||
*/
|
||
|
||
return getid3_lib::EmbeddedLookup($currencyid, $begin, __LINE__, __FILE__, 'id3v2-currency-units');
|
||
}
|
||
|
||
|
||
public function LookupCurrencyCountry($currencyid) {
|
||
|
||
$begin = __LINE__;
|
||
|
||
/** This is not a comment!
|
||
|
||
AED United Arab Emirates
|
||
AFA Afghanistan
|
||
ALL Albania
|
||
AMD Armenia
|
||
ANG Netherlands Antilles
|
||
AOA Angola
|
||
ARS Argentina
|
||
ATS Austria
|
||
AUD Australia
|
||
AWG Aruba
|
||
AZM Azerbaijan
|
||
BAM Bosnia and Herzegovina
|
||
BBD Barbados
|
||
BDT Bangladesh
|
||
BEF Belgium
|
||
BGL Bulgaria
|
||
BHD Bahrain
|
||
BIF Burundi
|
||
BMD Bermuda
|
||
BND Brunei Darussalam
|
||
BOB Bolivia
|
||
BRL Brazil
|
||
BSD Bahamas
|
||
BTN Bhutan
|
||
BWP Botswana
|
||
BYR Belarus
|
||
BZD Belize
|
||
CAD Canada
|
||
CDF Congo/Kinshasa
|
||
CHF Switzerland
|
||
CLP Chile
|
||
CNY China
|
||
COP Colombia
|
||
CRC Costa Rica
|
||
CUP Cuba
|
||
CVE Cape Verde
|
||
CYP Cyprus
|
||
CZK Czech Republic
|
||
DEM Germany
|
||
DJF Djibouti
|
||
DKK Denmark
|
||
DOP Dominican Republic
|
||
DZD Algeria
|
||
EEK Estonia
|
||
EGP Egypt
|
||
ERN Eritrea
|
||
ESP Spain
|
||
ETB Ethiopia
|
||
EUR Euro Member Countries
|
||
FIM Finland
|
||
FJD Fiji
|
||
FKP Falkland Islands (Malvinas)
|
||
FRF France
|
||
GBP United Kingdom
|
||
GEL Georgia
|
||
GGP Guernsey
|
||
GHC Ghana
|
||
GIP Gibraltar
|
||
GMD Gambia
|
||
GNF Guinea
|
||
GRD Greece
|
||
GTQ Guatemala
|
||
GYD Guyana
|
||
HKD Hong Kong
|
||
HNL Honduras
|
||
HRK Croatia
|
||
HTG Haiti
|
||
HUF Hungary
|
||
IDR Indonesia
|
||
IEP Ireland (Eire)
|
||
ILS Israel
|
||
IMP Isle of Man
|
||
INR India
|
||
IQD Iraq
|
||
IRR Iran
|
||
ISK Iceland
|
||
ITL Italy
|
||
JEP Jersey
|
||
JMD Jamaica
|
||
JOD Jordan
|
||
JPY Japan
|
||
KES Kenya
|
||
KGS Kyrgyzstan
|
||
KHR Cambodia
|
||
KMF Comoros
|
||
KPW Korea
|
||
KWD Kuwait
|
||
KYD Cayman Islands
|
||
KZT Kazakstan
|
||
LAK Laos
|
||
LBP Lebanon
|
||
LKR Sri Lanka
|
||
LRD Liberia
|
||
LSL Lesotho
|
||
LTL Lithuania
|
||
LUF Luxembourg
|
||
LVL Latvia
|
||
LYD Libya
|
||
MAD Morocco
|
||
MDL Moldova
|
||
MGF Madagascar
|
||
MKD Macedonia
|
||
MMK Myanmar (Burma)
|
||
MNT Mongolia
|
||
MOP Macau
|
||
MRO Mauritania
|
||
MTL Malta
|
||
MUR Mauritius
|
||
MVR Maldives (Maldive Islands)
|
||
MWK Malawi
|
||
MXN Mexico
|
||
MYR Malaysia
|
||
MZM Mozambique
|
||
NAD Namibia
|
||
NGN Nigeria
|
||
NIO Nicaragua
|
||
NLG Netherlands (Holland)
|
||
NOK Norway
|
||
NPR Nepal
|
||
NZD New Zealand
|
||
OMR Oman
|
||
PAB Panama
|
||
PEN Peru
|
||
PGK Papua New Guinea
|
||
PHP Philippines
|
||
PKR Pakistan
|
||
PLN Poland
|
||
PTE Portugal
|
||
PYG Paraguay
|
||
QAR Qatar
|
||
ROL Romania
|
||
RUR Russia
|
||
RWF Rwanda
|
||
SAR Saudi Arabia
|
||
SBD Solomon Islands
|
||
SCR Seychelles
|
||
SDD Sudan
|
||
SEK Sweden
|
||
SGD Singapore
|
||
SHP Saint Helena
|
||
SIT Slovenia
|
||
SKK Slovakia
|
||
SLL Sierra Leone
|
||
SOS Somalia
|
||
SPL Seborga
|
||
SRG Suriname
|
||
STD S<>o Tome and Principe
|
||
SVC El Salvador
|
||
SYP Syria
|
||
SZL Swaziland
|
||
THB Thailand
|
||
TJR Tajikistan
|
||
TMM Turkmenistan
|
||
TND Tunisia
|
||
TOP Tonga
|
||
TRL Turkey
|
||
TTD Trinidad and Tobago
|
||
TVD Tuvalu
|
||
TWD Taiwan
|
||
TZS Tanzania
|
||
UAH Ukraine
|
||
UGX Uganda
|
||
USD United States of America
|
||
UYU Uruguay
|
||
UZS Uzbekistan
|
||
VAL Vatican City
|
||
VEB Venezuela
|
||
VND Viet Nam
|
||
VUV Vanuatu
|
||
WST Samoa
|
||
XAF Communaut<75> Financi<63>re Africaine
|
||
XAG Silver
|
||
XAU Gold
|
||
XCD East Caribbean
|
||
XDR International Monetary Fund
|
||
XPD Palladium
|
||
XPF Comptoirs Fran<61>ais du Pacifique
|
||
XPT Platinum
|
||
YER Yemen
|
||
YUM Yugoslavia
|
||
ZAR South Africa
|
||
ZMK Zambia
|
||
ZWD Zimbabwe
|
||
|
||
*/
|
||
|
||
return getid3_lib::EmbeddedLookup($currencyid, $begin, __LINE__, __FILE__, 'id3v2-currency-country');
|
||
}
|
||
|
||
|
||
|
||
public static function LanguageLookup($languagecode, $casesensitive=false) {
|
||
|
||
if (!$casesensitive) {
|
||
$languagecode = strtolower($languagecode);
|
||
}
|
||
|
||
// http://www.id3.org/id3v2.4.0-structure.txt
|
||
// [4. ID3v2 frame overview]
|
||
// The three byte language field, present in several frames, is used to
|
||
// describe the language of the frame's content, according to ISO-639-2
|
||
// [ISO-639-2]. The language should be represented in lower case. If the
|
||
// language is not known the string "XXX" should be used.
|
||
|
||
|
||
// ISO 639-2 - http://www.id3.org/iso639-2.html
|
||
|
||
$begin = __LINE__;
|
||
|
||
/** This is not a comment!
|
||
|
||
XXX unknown
|
||
xxx unknown
|
||
aar Afar
|
||
abk Abkhazian
|
||
ace Achinese
|
||
ach Acoli
|
||
ada Adangme
|
||
afa Afro-Asiatic (Other)
|
||
afh Afrihili
|
||
afr Afrikaans
|
||
aka Akan
|
||
akk Akkadian
|
||
alb Albanian
|
||
ale Aleut
|
||
alg Algonquian Languages
|
||
amh Amharic
|
||
ang English, Old (ca. 450-1100)
|
||
apa Apache Languages
|
||
ara Arabic
|
||
arc Aramaic
|
||
arm Armenian
|
||
arn Araucanian
|
||
arp Arapaho
|
||
art Artificial (Other)
|
||
arw Arawak
|
||
asm Assamese
|
||
ath Athapascan Languages
|
||
ava Avaric
|
||
ave Avestan
|
||
awa Awadhi
|
||
aym Aymara
|
||
aze Azerbaijani
|
||
bad Banda
|
||
bai Bamileke Languages
|
||
bak Bashkir
|
||
bal Baluchi
|
||
bam Bambara
|
||
ban Balinese
|
||
baq Basque
|
||
bas Basa
|
||
bat Baltic (Other)
|
||
bej Beja
|
||
bel Byelorussian
|
||
bem Bemba
|
||
ben Bengali
|
||
ber Berber (Other)
|
||
bho Bhojpuri
|
||
bih Bihari
|
||
bik Bikol
|
||
bin Bini
|
||
bis Bislama
|
||
bla Siksika
|
||
bnt Bantu (Other)
|
||
bod Tibetan
|
||
bra Braj
|
||
bre Breton
|
||
bua Buriat
|
||
bug Buginese
|
||
bul Bulgarian
|
||
bur Burmese
|
||
cad Caddo
|
||
cai Central American Indian (Other)
|
||
car Carib
|
||
cat Catalan
|
||
cau Caucasian (Other)
|
||
ceb Cebuano
|
||
cel Celtic (Other)
|
||
ces Czech
|
||
cha Chamorro
|
||
chb Chibcha
|
||
che Chechen
|
||
chg Chagatai
|
||
chi Chinese
|
||
chm Mari
|
||
chn Chinook jargon
|
||
cho Choctaw
|
||
chr Cherokee
|
||
chu Church Slavic
|
||
chv Chuvash
|
||
chy Cheyenne
|
||
cop Coptic
|
||
cor Cornish
|
||
cos Corsican
|
||
cpe Creoles and Pidgins, English-based (Other)
|
||
cpf Creoles and Pidgins, French-based (Other)
|
||
cpp Creoles and Pidgins, Portuguese-based (Other)
|
||
cre Cree
|
||
crp Creoles and Pidgins (Other)
|
||
cus Cushitic (Other)
|
||
cym Welsh
|
||
cze Czech
|
||
dak Dakota
|
||
dan Danish
|
||
del Delaware
|
||
deu German
|
||
din Dinka
|
||
div Divehi
|
||
doi Dogri
|
||
dra Dravidian (Other)
|
||
dua Duala
|
||
dum Dutch, Middle (ca. 1050-1350)
|
||
dut Dutch
|
||
dyu Dyula
|
||
dzo Dzongkha
|
||
efi Efik
|
||
egy Egyptian (Ancient)
|
||
eka Ekajuk
|
||
ell Greek, Modern (1453-)
|
||
elx Elamite
|
||
eng English
|
||
enm English, Middle (ca. 1100-1500)
|
||
epo Esperanto
|
||
esk Eskimo (Other)
|
||
esl Spanish
|
||
est Estonian
|
||
eus Basque
|
||
ewe Ewe
|
||
ewo Ewondo
|
||
fan Fang
|
||
fao Faroese
|
||
fas Persian
|
||
fat Fanti
|
||
fij Fijian
|
||
fin Finnish
|
||
fiu Finno-Ugrian (Other)
|
||
fon Fon
|
||
fra French
|
||
fre French
|
||
frm French, Middle (ca. 1400-1600)
|
||
fro French, Old (842- ca. 1400)
|
||
fry Frisian
|
||
ful Fulah
|
||
gaa Ga
|
||
gae Gaelic (Scots)
|
||
gai Irish
|
||
gay Gayo
|
||
gdh Gaelic (Scots)
|
||
gem Germanic (Other)
|
||
geo Georgian
|
||
ger German
|
||
gez Geez
|
||
gil Gilbertese
|
||
glg Gallegan
|
||
gmh German, Middle High (ca. 1050-1500)
|
||
goh German, Old High (ca. 750-1050)
|
||
gon Gondi
|
||
got Gothic
|
||
grb Grebo
|
||
grc Greek, Ancient (to 1453)
|
||
gre Greek, Modern (1453-)
|
||
grn Guarani
|
||
guj Gujarati
|
||
hai Haida
|
||
hau Hausa
|
||
haw Hawaiian
|
||
heb Hebrew
|
||
her Herero
|
||
hil Hiligaynon
|
||
him Himachali
|
||
hin Hindi
|
||
hmo Hiri Motu
|
||
hun Hungarian
|
||
hup Hupa
|
||
hye Armenian
|
||
iba Iban
|
||
ibo Igbo
|
||
ice Icelandic
|
||
ijo Ijo
|
||
iku Inuktitut
|
||
ilo Iloko
|
||
ina Interlingua (International Auxiliary language Association)
|
||
inc Indic (Other)
|
||
ind Indonesian
|
||
ine Indo-European (Other)
|
||
ine Interlingue
|
||
ipk Inupiak
|
||
ira Iranian (Other)
|
||
iri Irish
|
||
iro Iroquoian uages
|
||
isl Icelandic
|
||
ita Italian
|
||
jav Javanese
|
||
jaw Javanese
|
||
jpn Japanese
|
||
jpr Judeo-Persian
|
||
jrb Judeo-Arabic
|
||
kaa Kara-Kalpak
|
||
kab Kabyle
|
||
kac Kachin
|
||
kal Greenlandic
|
||
kam Kamba
|
||
kan Kannada
|
||
kar Karen
|
||
kas Kashmiri
|
||
kat Georgian
|
||
kau Kanuri
|
||
kaw Kawi
|
||
kaz Kazakh
|
||
kha Khasi
|
||
khi Khoisan (Other)
|
||
khm Khmer
|
||
kho Khotanese
|
||
kik Kikuyu
|
||
kin Kinyarwanda
|
||
kir Kirghiz
|
||
kok Konkani
|
||
kom Komi
|
||
kon Kongo
|
||
kor Korean
|
||
kpe Kpelle
|
||
kro Kru
|
||
kru Kurukh
|
||
kua Kuanyama
|
||
kum Kumyk
|
||
kur Kurdish
|
||
kus Kusaie
|
||
kut Kutenai
|
||
lad Ladino
|
||
lah Lahnda
|
||
lam Lamba
|
||
lao Lao
|
||
lat Latin
|
||
lav Latvian
|
||
lez Lezghian
|
||
lin Lingala
|
||
lit Lithuanian
|
||
lol Mongo
|
||
loz Lozi
|
||
ltz Letzeburgesch
|
||
lub Luba-Katanga
|
||
lug Ganda
|
||
lui Luiseno
|
||
lun Lunda
|
||
luo Luo (Kenya and Tanzania)
|
||
mac Macedonian
|
||
mad Madurese
|
||
mag Magahi
|
||
mah Marshall
|
||
mai Maithili
|
||
mak Macedonian
|
||
mak Makasar
|
||
mal Malayalam
|
||
man Mandingo
|
||
mao Maori
|
||
map Austronesian (Other)
|
||
mar Marathi
|
||
mas Masai
|
||
max Manx
|
||
may Malay
|
||
men Mende
|
||
mga Irish, Middle (900 - 1200)
|
||
mic Micmac
|
||
min Minangkabau
|
||
mis Miscellaneous (Other)
|
||
mkh Mon-Kmer (Other)
|
||
mlg Malagasy
|
||
mlt Maltese
|
||
mni Manipuri
|
||
mno Manobo Languages
|
||
moh Mohawk
|
||
mol Moldavian
|
||
mon Mongolian
|
||
mos Mossi
|
||
mri Maori
|
||
msa Malay
|
||
mul Multiple Languages
|
||
mun Munda Languages
|
||
mus Creek
|
||
mwr Marwari
|
||
mya Burmese
|
||
myn Mayan Languages
|
||
nah Aztec
|
||
nai North American Indian (Other)
|
||
nau Nauru
|
||
nav Navajo
|
||
nbl Ndebele, South
|
||
nde Ndebele, North
|
||
ndo Ndongo
|
||
nep Nepali
|
||
new Newari
|
||
nic Niger-Kordofanian (Other)
|
||
niu Niuean
|
||
nla Dutch
|
||
nno Norwegian (Nynorsk)
|
||
non Norse, Old
|
||
nor Norwegian
|
||
nso Sotho, Northern
|
||
nub Nubian Languages
|
||
nya Nyanja
|
||
nym Nyamwezi
|
||
nyn Nyankole
|
||
nyo Nyoro
|
||
nzi Nzima
|
||
oci Langue d'Oc (post 1500)
|
||
oji Ojibwa
|
||
ori Oriya
|
||
orm Oromo
|
||
osa Osage
|
||
oss Ossetic
|
||
ota Turkish, Ottoman (1500 - 1928)
|
||
oto Otomian Languages
|
||
paa Papuan-Australian (Other)
|
||
pag Pangasinan
|
||
pal Pahlavi
|
||
pam Pampanga
|
||
pan Panjabi
|
||
pap Papiamento
|
||
pau Palauan
|
||
peo Persian, Old (ca 600 - 400 B.C.)
|
||
per Persian
|
||
phn Phoenician
|
||
pli Pali
|
||
pol Polish
|
||
pon Ponape
|
||
por Portuguese
|
||
pra Prakrit uages
|
||
pro Provencal, Old (to 1500)
|
||
pus Pushto
|
||
que Quechua
|
||
raj Rajasthani
|
||
rar Rarotongan
|
||
roa Romance (Other)
|
||
roh Rhaeto-Romance
|
||
rom Romany
|
||
ron Romanian
|
||
rum Romanian
|
||
run Rundi
|
||
rus Russian
|
||
sad Sandawe
|
||
sag Sango
|
||
sah Yakut
|
||
sai South American Indian (Other)
|
||
sal Salishan Languages
|
||
sam Samaritan Aramaic
|
||
san Sanskrit
|
||
sco Scots
|
||
scr Serbo-Croatian
|
||
sel Selkup
|
||
sem Semitic (Other)
|
||
sga Irish, Old (to 900)
|
||
shn Shan
|
||
sid Sidamo
|
||
sin Singhalese
|
||
sio Siouan Languages
|
||
sit Sino-Tibetan (Other)
|
||
sla Slavic (Other)
|
||
slk Slovak
|
||
slo Slovak
|
||
slv Slovenian
|
||
smi Sami Languages
|
||
smo Samoan
|
||
sna Shona
|
||
snd Sindhi
|
||
sog Sogdian
|
||
som Somali
|
||
son Songhai
|
||
sot Sotho, Southern
|
||
spa Spanish
|
||
sqi Albanian
|
||
srd Sardinian
|
||
srr Serer
|
||
ssa Nilo-Saharan (Other)
|
||
ssw Siswant
|
||
ssw Swazi
|
||
suk Sukuma
|
||
sun Sudanese
|
||
sus Susu
|
||
sux Sumerian
|
||
sve Swedish
|
||
swa Swahili
|
||
swe Swedish
|
||
syr Syriac
|
||
tah Tahitian
|
||
tam Tamil
|
||
tat Tatar
|
||
tel Telugu
|
||
tem Timne
|
||
ter Tereno
|
||
tgk Tajik
|
||
tgl Tagalog
|
||
tha Thai
|
||
tib Tibetan
|
||
tig Tigre
|
||
tir Tigrinya
|
||
tiv Tivi
|
||
tli Tlingit
|
||
tmh Tamashek
|
||
tog Tonga (Nyasa)
|
||
ton Tonga (Tonga Islands)
|
||
tru Truk
|
||
tsi Tsimshian
|
||
tsn Tswana
|
||
tso Tsonga
|
||
tuk Turkmen
|
||
tum Tumbuka
|
||
tur Turkish
|
||
tut Altaic (Other)
|
||
twi Twi
|
||
tyv Tuvinian
|
||
uga Ugaritic
|
||
uig Uighur
|
||
ukr Ukrainian
|
||
umb Umbundu
|
||
und Undetermined
|
||
urd Urdu
|
||
uzb Uzbek
|
||
vai Vai
|
||
ven Venda
|
||
vie Vietnamese
|
||
vol Volap<61>k
|
||
vot Votic
|
||
wak Wakashan Languages
|
||
wal Walamo
|
||
war Waray
|
||
was Washo
|
||
wel Welsh
|
||
wen Sorbian Languages
|
||
wol Wolof
|
||
xho Xhosa
|
||
yao Yao
|
||
yap Yap
|
||
yid Yiddish
|
||
yor Yoruba
|
||
zap Zapotec
|
||
zen Zenaga
|
||
zha Zhuang
|
||
zho Chinese
|
||
zul Zulu
|
||
zun Zuni
|
||
|
||
*/
|
||
|
||
return getid3_lib::EmbeddedLookup($languagecode, $begin, __LINE__, __FILE__, 'id3v2-languagecode');
|
||
}
|
||
|
||
|
||
public static function ETCOEventLookup($index) {
|
||
if (($index >= 0x17) && ($index <= 0xDF)) {
|
||
return 'reserved for future use';
|
||
}
|
||
if (($index >= 0xE0) && ($index <= 0xEF)) {
|
||
return 'not predefined synch 0-F';
|
||
}
|
||
if (($index >= 0xF0) && ($index <= 0xFC)) {
|
||
return 'reserved for future use';
|
||
}
|
||
|
||
static $EventLookup = array(
|
||
0x00 => 'padding (has no meaning)',
|
||
0x01 => 'end of initial silence',
|
||
0x02 => 'intro start',
|
||
0x03 => 'main part start',
|
||
0x04 => 'outro start',
|
||
0x05 => 'outro end',
|
||
0x06 => 'verse start',
|
||
0x07 => 'refrain start',
|
||
0x08 => 'interlude start',
|
||
0x09 => 'theme start',
|
||
0x0A => 'variation start',
|
||
0x0B => 'key change',
|
||
0x0C => 'time change',
|
||
0x0D => 'momentary unwanted noise (Snap, Crackle & Pop)',
|
||
0x0E => 'sustained noise',
|
||
0x0F => 'sustained noise end',
|
||
0x10 => 'intro end',
|
||
0x11 => 'main part end',
|
||
0x12 => 'verse end',
|
||
0x13 => 'refrain end',
|
||
0x14 => 'theme end',
|
||
0x15 => 'profanity',
|
||
0x16 => 'profanity end',
|
||
0xFD => 'audio end (start of silence)',
|
||
0xFE => 'audio file ends',
|
||
0xFF => 'one more byte of events follows'
|
||
);
|
||
|
||
return (isset($EventLookup[$index]) ? $EventLookup[$index] : '');
|
||
}
|
||
|
||
public static function SYTLContentTypeLookup($index) {
|
||
static $SYTLContentTypeLookup = array(
|
||
0x00 => 'other',
|
||
0x01 => 'lyrics',
|
||
0x02 => 'text transcription',
|
||
0x03 => 'movement/part name', // (e.g. 'Adagio')
|
||
0x04 => 'events', // (e.g. 'Don Quijote enters the stage')
|
||
0x05 => 'chord', // (e.g. 'Bb F Fsus')
|
||
0x06 => 'trivia/\'pop up\' information',
|
||
0x07 => 'URLs to webpages',
|
||
0x08 => 'URLs to images'
|
||
);
|
||
|
||
return (isset($SYTLContentTypeLookup[$index]) ? $SYTLContentTypeLookup[$index] : '');
|
||
}
|
||
|
||
public static function APICPictureTypeLookup($index, $returnarray=false) {
|
||
static $APICPictureTypeLookup = array(
|
||
0x00 => 'Other',
|
||
0x01 => '32x32 pixels \'file icon\' (PNG only)',
|
||
0x02 => 'Other file icon',
|
||
0x03 => 'Cover (front)',
|
||
0x04 => 'Cover (back)',
|
||
0x05 => 'Leaflet page',
|
||
0x06 => 'Media (e.g. label side of CD)',
|
||
0x07 => 'Lead artist/lead performer/soloist',
|
||
0x08 => 'Artist/performer',
|
||
0x09 => 'Conductor',
|
||
0x0A => 'Band/Orchestra',
|
||
0x0B => 'Composer',
|
||
0x0C => 'Lyricist/text writer',
|
||
0x0D => 'Recording Location',
|
||
0x0E => 'During recording',
|
||
0x0F => 'During performance',
|
||
0x10 => 'Movie/video screen capture',
|
||
0x11 => 'A bright coloured fish',
|
||
0x12 => 'Illustration',
|
||
0x13 => 'Band/artist logotype',
|
||
0x14 => 'Publisher/Studio logotype'
|
||
);
|
||
if ($returnarray) {
|
||
return $APICPictureTypeLookup;
|
||
}
|
||
return (isset($APICPictureTypeLookup[$index]) ? $APICPictureTypeLookup[$index] : '');
|
||
}
|
||
|
||
public static function COMRReceivedAsLookup($index) {
|
||
static $COMRReceivedAsLookup = array(
|
||
0x00 => 'Other',
|
||
0x01 => 'Standard CD album with other songs',
|
||
0x02 => 'Compressed audio on CD',
|
||
0x03 => 'File over the Internet',
|
||
0x04 => 'Stream over the Internet',
|
||
0x05 => 'As note sheets',
|
||
0x06 => 'As note sheets in a book with other sheets',
|
||
0x07 => 'Music on other media',
|
||
0x08 => 'Non-musical merchandise'
|
||
);
|
||
|
||
return (isset($COMRReceivedAsLookup[$index]) ? $COMRReceivedAsLookup[$index] : '');
|
||
}
|
||
|
||
public static function RVA2ChannelTypeLookup($index) {
|
||
static $RVA2ChannelTypeLookup = array(
|
||
0x00 => 'Other',
|
||
0x01 => 'Master volume',
|
||
0x02 => 'Front right',
|
||
0x03 => 'Front left',
|
||
0x04 => 'Back right',
|
||
0x05 => 'Back left',
|
||
0x06 => 'Front centre',
|
||
0x07 => 'Back centre',
|
||
0x08 => 'Subwoofer'
|
||
);
|
||
|
||
return (isset($RVA2ChannelTypeLookup[$index]) ? $RVA2ChannelTypeLookup[$index] : '');
|
||
}
|
||
|
||
public static function FrameNameLongLookup($framename) {
|
||
|
||
$begin = __LINE__;
|
||
|
||
/** This is not a comment!
|
||
|
||
AENC Audio encryption
|
||
APIC Attached picture
|
||
ASPI Audio seek point index
|
||
BUF Recommended buffer size
|
||
CNT Play counter
|
||
COM Comments
|
||
COMM Comments
|
||
COMR Commercial frame
|
||
CRA Audio encryption
|
||
CRM Encrypted meta frame
|
||
ENCR Encryption method registration
|
||
EQU Equalisation
|
||
EQU2 Equalisation (2)
|
||
EQUA Equalisation
|
||
ETC Event timing codes
|
||
ETCO Event timing codes
|
||
GEO General encapsulated object
|
||
GEOB General encapsulated object
|
||
GRID Group identification registration
|
||
IPL Involved people list
|
||
IPLS Involved people list
|
||
LINK Linked information
|
||
LNK Linked information
|
||
MCDI Music CD identifier
|
||
MCI Music CD Identifier
|
||
MLL MPEG location lookup table
|
||
MLLT MPEG location lookup table
|
||
OWNE Ownership frame
|
||
PCNT Play counter
|
||
PIC Attached picture
|
||
POP Popularimeter
|
||
POPM Popularimeter
|
||
POSS Position synchronisation frame
|
||
PRIV Private frame
|
||
RBUF Recommended buffer size
|
||
REV Reverb
|
||
RVA Relative volume adjustment
|
||
RVA2 Relative volume adjustment (2)
|
||
RVAD Relative volume adjustment
|
||
RVRB Reverb
|
||
SEEK Seek frame
|
||
SIGN Signature frame
|
||
SLT Synchronised lyric/text
|
||
STC Synced tempo codes
|
||
SYLT Synchronised lyric/text
|
||
SYTC Synchronised tempo codes
|
||
TAL Album/Movie/Show title
|
||
TALB Album/Movie/Show title
|
||
TBP BPM (Beats Per Minute)
|
||
TBPM BPM (beats per minute)
|
||
TCM Composer
|
||
TCMP Part of a compilation
|
||
TCO Content type
|
||
TCOM Composer
|
||
TCON Content type
|
||
TCOP Copyright message
|
||
TCP Part of a compilation
|
||
TCR Copyright message
|
||
TDA Date
|
||
TDAT Date
|
||
TDEN Encoding time
|
||
TDLY Playlist delay
|
||
TDOR Original release time
|
||
TDRC Recording time
|
||
TDRL Release time
|
||
TDTG Tagging time
|
||
TDY Playlist delay
|
||
TEN Encoded by
|
||
TENC Encoded by
|
||
TEXT Lyricist/Text writer
|
||
TFLT File type
|
||
TFT File type
|
||
TIM Time
|
||
TIME Time
|
||
TIPL Involved people list
|
||
TIT1 Content group description
|
||
TIT2 Title/songname/content description
|
||
TIT3 Subtitle/Description refinement
|
||
TKE Initial key
|
||
TKEY Initial key
|
||
TLA Language(s)
|
||
TLAN Language(s)
|
||
TLE Length
|
||
TLEN Length
|
||
TMCL Musician credits list
|
||
TMED Media type
|
||
TMOO Mood
|
||
TMT Media type
|
||
TOA Original artist(s)/performer(s)
|
||
TOAL Original album/movie/show title
|
||
TOF Original filename
|
||
TOFN Original filename
|
||
TOL Original Lyricist(s)/text writer(s)
|
||
TOLY Original lyricist(s)/text writer(s)
|
||
TOPE Original artist(s)/performer(s)
|
||
TOR Original release year
|
||
TORY Original release year
|
||
TOT Original album/Movie/Show title
|
||
TOWN File owner/licensee
|
||
TP1 Lead artist(s)/Lead performer(s)/Soloist(s)/Performing group
|
||
TP2 Band/Orchestra/Accompaniment
|
||
TP3 Conductor/Performer refinement
|
||
TP4 Interpreted, remixed, or otherwise modified by
|
||
TPA Part of a set
|
||
TPB Publisher
|
||
TPE1 Lead performer(s)/Soloist(s)
|
||
TPE2 Band/orchestra/accompaniment
|
||
TPE3 Conductor/performer refinement
|
||
TPE4 Interpreted, remixed, or otherwise modified by
|
||
TPOS Part of a set
|
||
TPRO Produced notice
|
||
TPUB Publisher
|
||
TRC ISRC (International Standard Recording Code)
|
||
TRCK Track number/Position in set
|
||
TRD Recording dates
|
||
TRDA Recording dates
|
||
TRK Track number/Position in set
|
||
TRSN Internet radio station name
|
||
TRSO Internet radio station owner
|
||
TS2 Album-Artist sort order
|
||
TSA Album sort order
|
||
TSC Composer sort order
|
||
TSI Size
|
||
TSIZ Size
|
||
TSO2 Album-Artist sort order
|
||
TSOA Album sort order
|
||
TSOC Composer sort order
|
||
TSOP Performer sort order
|
||
TSOT Title sort order
|
||
TSP Performer sort order
|
||
TSRC ISRC (international standard recording code)
|
||
TSS Software/hardware and settings used for encoding
|
||
TSSE Software/Hardware and settings used for encoding
|
||
TSST Set subtitle
|
||
TST Title sort order
|
||
TT1 Content group description
|
||
TT2 Title/Songname/Content description
|
||
TT3 Subtitle/Description refinement
|
||
TXT Lyricist/text writer
|
||
TXX User defined text information frame
|
||
TXXX User defined text information frame
|
||
TYE Year
|
||
TYER Year
|
||
UFI Unique file identifier
|
||
UFID Unique file identifier
|
||
ULT Unsychronised lyric/text transcription
|
||
USER Terms of use
|
||
USLT Unsynchronised lyric/text transcription
|
||
WAF Official audio file webpage
|
||
WAR Official artist/performer webpage
|
||
WAS Official audio source webpage
|
||
WCM Commercial information
|
||
WCOM Commercial information
|
||
WCOP Copyright/Legal information
|
||
WCP Copyright/Legal information
|
||
WOAF Official audio file webpage
|
||
WOAR Official artist/performer webpage
|
||
WOAS Official audio source webpage
|
||
WORS Official Internet radio station homepage
|
||
WPAY Payment
|
||
WPB Publishers official webpage
|
||
WPUB Publishers official webpage
|
||
WXX User defined URL link frame
|
||
WXXX User defined URL link frame
|
||
TFEA Featured Artist
|
||
TSTU Recording Studio
|
||
rgad Replay Gain Adjustment
|
||
|
||
*/
|
||
|
||
return getid3_lib::EmbeddedLookup($framename, $begin, __LINE__, __FILE__, 'id3v2-framename_long');
|
||
|
||
// Last three:
|
||
// from Helium2 [www.helium2.com]
|
||
// from http://privatewww.essex.ac.uk/~djmrob/replaygain/file_format_id3v2.html
|
||
}
|
||
|
||
|
||
public static function FrameNameShortLookup($framename) {
|
||
|
||
$begin = __LINE__;
|
||
|
||
/** This is not a comment!
|
||
|
||
AENC audio_encryption
|
||
APIC attached_picture
|
||
ASPI audio_seek_point_index
|
||
BUF recommended_buffer_size
|
||
CNT play_counter
|
||
COM comment
|
||
COMM comment
|
||
COMR commercial_frame
|
||
CRA audio_encryption
|
||
CRM encrypted_meta_frame
|
||
ENCR encryption_method_registration
|
||
EQU equalisation
|
||
EQU2 equalisation
|
||
EQUA equalisation
|
||
ETC event_timing_codes
|
||
ETCO event_timing_codes
|
||
GEO general_encapsulated_object
|
||
GEOB general_encapsulated_object
|
||
GRID group_identification_registration
|
||
IPL involved_people_list
|
||
IPLS involved_people_list
|
||
LINK linked_information
|
||
LNK linked_information
|
||
MCDI music_cd_identifier
|
||
MCI music_cd_identifier
|
||
MLL mpeg_location_lookup_table
|
||
MLLT mpeg_location_lookup_table
|
||
OWNE ownership_frame
|
||
PCNT play_counter
|
||
PIC attached_picture
|
||
POP popularimeter
|
||
POPM popularimeter
|
||
POSS position_synchronisation_frame
|
||
PRIV private_frame
|
||
RBUF recommended_buffer_size
|
||
REV reverb
|
||
RVA relative_volume_adjustment
|
||
RVA2 relative_volume_adjustment
|
||
RVAD relative_volume_adjustment
|
||
RVRB reverb
|
||
SEEK seek_frame
|
||
SIGN signature_frame
|
||
SLT synchronised_lyric
|
||
STC synced_tempo_codes
|
||
SYLT synchronised_lyric
|
||
SYTC synchronised_tempo_codes
|
||
TAL album
|
||
TALB album
|
||
TBP bpm
|
||
TBPM bpm
|
||
TCM composer
|
||
TCMP part_of_a_compilation
|
||
TCO genre
|
||
TCOM composer
|
||
TCON genre
|
||
TCOP copyright_message
|
||
TCP part_of_a_compilation
|
||
TCR copyright_message
|
||
TDA date
|
||
TDAT date
|
||
TDEN encoding_time
|
||
TDLY playlist_delay
|
||
TDOR original_release_time
|
||
TDRC recording_time
|
||
TDRL release_time
|
||
TDTG tagging_time
|
||
TDY playlist_delay
|
||
TEN encoded_by
|
||
TENC encoded_by
|
||
TEXT lyricist
|
||
TFLT file_type
|
||
TFT file_type
|
||
TIM time
|
||
TIME time
|
||
TIPL involved_people_list
|
||
TIT1 content_group_description
|
||
TIT2 title
|
||
TIT3 subtitle
|
||
TKE initial_key
|
||
TKEY initial_key
|
||
TLA language
|
||
TLAN language
|
||
TLE length
|
||
TLEN length
|
||
TMCL musician_credits_list
|
||
TMED media_type
|
||
TMOO mood
|
||
TMT media_type
|
||
TOA original_artist
|
||
TOAL original_album
|
||
TOF original_filename
|
||
TOFN original_filename
|
||
TOL original_lyricist
|
||
TOLY original_lyricist
|
||
TOPE original_artist
|
||
TOR original_year
|
||
TORY original_year
|
||
TOT original_album
|
||
TOWN file_owner
|
||
TP1 artist
|
||
TP2 band
|
||
TP3 conductor
|
||
TP4 remixer
|
||
TPA part_of_a_set
|
||
TPB publisher
|
||
TPE1 artist
|
||
TPE2 band
|
||
TPE3 conductor
|
||
TPE4 remixer
|
||
TPOS part_of_a_set
|
||
TPRO produced_notice
|
||
TPUB publisher
|
||
TRC isrc
|
||
TRCK track_number
|
||
TRD recording_dates
|
||
TRDA recording_dates
|
||
TRK track_number
|
||
TRSN internet_radio_station_name
|
||
TRSO internet_radio_station_owner
|
||
TS2 album_artist_sort_order
|
||
TSA album_sort_order
|
||
TSC composer_sort_order
|
||
TSI size
|
||
TSIZ size
|
||
TSO2 album_artist_sort_order
|
||
TSOA album_sort_order
|
||
TSOC composer_sort_order
|
||
TSOP performer_sort_order
|
||
TSOT title_sort_order
|
||
TSP performer_sort_order
|
||
TSRC isrc
|
||
TSS encoder_settings
|
||
TSSE encoder_settings
|
||
TSST set_subtitle
|
||
TST title_sort_order
|
||
TT1 content_group_description
|
||
TT2 title
|
||
TT3 subtitle
|
||
TXT lyricist
|
||
TXX text
|
||
TXXX text
|
||
TYE year
|
||
TYER year
|
||
UFI unique_file_identifier
|
||
UFID unique_file_identifier
|
||
ULT unsychronised_lyric
|
||
USER terms_of_use
|
||
USLT unsynchronised_lyric
|
||
WAF url_file
|
||
WAR url_artist
|
||
WAS url_source
|
||
WCM commercial_information
|
||
WCOM commercial_information
|
||
WCOP copyright
|
||
WCP copyright
|
||
WOAF url_file
|
||
WOAR url_artist
|
||
WOAS url_source
|
||
WORS url_station
|
||
WPAY url_payment
|
||
WPB url_publisher
|
||
WPUB url_publisher
|
||
WXX url_user
|
||
WXXX url_user
|
||
TFEA featured_artist
|
||
TSTU recording_studio
|
||
rgad replay_gain_adjustment
|
||
|
||
*/
|
||
|
||
return getid3_lib::EmbeddedLookup($framename, $begin, __LINE__, __FILE__, 'id3v2-framename_short');
|
||
}
|
||
|
||
public static function TextEncodingTerminatorLookup($encoding) {
|
||
// http://www.id3.org/id3v2.4.0-structure.txt
|
||
// Frames that allow different types of text encoding contains a text encoding description byte. Possible encodings:
|
||
static $TextEncodingTerminatorLookup = array(
|
||
0 => "\x00", // $00 ISO-8859-1. Terminated with $00.
|
||
1 => "\x00\x00", // $01 UTF-16 encoded Unicode with BOM. All strings in the same frame SHALL have the same byteorder. Terminated with $00 00.
|
||
2 => "\x00\x00", // $02 UTF-16BE encoded Unicode without BOM. Terminated with $00 00.
|
||
3 => "\x00", // $03 UTF-8 encoded Unicode. Terminated with $00.
|
||
255 => "\x00\x00"
|
||
);
|
||
return (isset($TextEncodingTerminatorLookup[$encoding]) ? $TextEncodingTerminatorLookup[$encoding] : '');
|
||
}
|
||
|
||
public static function TextEncodingNameLookup($encoding) {
|
||
// http://www.id3.org/id3v2.4.0-structure.txt
|
||
// Frames that allow different types of text encoding contains a text encoding description byte. Possible encodings:
|
||
static $TextEncodingNameLookup = array(
|
||
0 => 'ISO-8859-1', // $00 ISO-8859-1. Terminated with $00.
|
||
1 => 'UTF-16', // $01 UTF-16 encoded Unicode with BOM. All strings in the same frame SHALL have the same byteorder. Terminated with $00 00.
|
||
2 => 'UTF-16BE', // $02 UTF-16BE encoded Unicode without BOM. Terminated with $00 00.
|
||
3 => 'UTF-8', // $03 UTF-8 encoded Unicode. Terminated with $00.
|
||
255 => 'UTF-16BE'
|
||
);
|
||
return (isset($TextEncodingNameLookup[$encoding]) ? $TextEncodingNameLookup[$encoding] : 'ISO-8859-1');
|
||
}
|
||
|
||
public static function IsValidID3v2FrameName($framename, $id3v2majorversion) {
|
||
switch ($id3v2majorversion) {
|
||
case 2:
|
||
return preg_match('#[A-Z][A-Z0-9]{2}#', $framename);
|
||
break;
|
||
|
||
case 3:
|
||
case 4:
|
||
return preg_match('#[A-Z][A-Z0-9]{3}#', $framename);
|
||
break;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
public static function IsANumber($numberstring, $allowdecimal=false, $allownegative=false) {
|
||
for ($i = 0; $i < strlen($numberstring); $i++) {
|
||
if ((chr($numberstring{$i}) < chr('0')) || (chr($numberstring{$i}) > chr('9'))) {
|
||
if (($numberstring{$i} == '.') && $allowdecimal) {
|
||
// allowed
|
||
} elseif (($numberstring{$i} == '-') && $allownegative && ($i == 0)) {
|
||
// allowed
|
||
} else {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
return true;
|
||
}
|
||
|
||
public static function IsValidDateStampString($datestamp) {
|
||
if (strlen($datestamp) != 8) {
|
||
return false;
|
||
}
|
||
if (!self::IsANumber($datestamp, false)) {
|
||
return false;
|
||
}
|
||
$year = substr($datestamp, 0, 4);
|
||
$month = substr($datestamp, 4, 2);
|
||
$day = substr($datestamp, 6, 2);
|
||
if (($year == 0) || ($month == 0) || ($day == 0)) {
|
||
return false;
|
||
}
|
||
if ($month > 12) {
|
||
return false;
|
||
}
|
||
if ($day > 31) {
|
||
return false;
|
||
}
|
||
if (($day > 30) && (($month == 4) || ($month == 6) || ($month == 9) || ($month == 11))) {
|
||
return false;
|
||
}
|
||
if (($day > 29) && ($month == 2)) {
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
public static function ID3v2HeaderLength($majorversion) {
|
||
return (($majorversion == 2) ? 6 : 10);
|
||
}
|
||
|
||
}
|
||
|