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-rw-r--r--getid3/module.tag.apetag.php290
1 files changed, 0 insertions, 290 deletions
diff --git a/getid3/module.tag.apetag.php b/getid3/module.tag.apetag.php
deleted file mode 100644
index 2b67e14..0000000
--- a/getid3/module.tag.apetag.php
+++ /dev/null
@@ -1,290 +0,0 @@
-<?php
-/////////////////////////////////////////////////////////////////
-/// getID3() by James Heinrich <info@getid3.org> //
-// available at http://getid3.sourceforge.net //
-// or http://www.getid3.org //
-/////////////////////////////////////////////////////////////////
-// See readme.txt for more details //
-/////////////////////////////////////////////////////////////////
-// //
-// module.tag.apetag.php //
-// module for analyzing APE tags //
-// dependencies: NONE //
-// ///
-/////////////////////////////////////////////////////////////////
-
-class getid3_apetag
-{
-
- function getid3_apetag(&$fd, &$ThisFileInfo, $overrideendoffset=0) {
-
- if ($ThisFileInfo['filesize'] >= pow(2, 31)) {
- $ThisFileInfo['warning'][] = 'Unable to check for APEtags because file is larger than 2GB';
- return false;
- }
-
- $id3v1tagsize = 128;
- $apetagheadersize = 32;
- $lyrics3tagsize = 10;
-
- if ($overrideendoffset == 0) {
-
- fseek($fd, 0 - $id3v1tagsize - $apetagheadersize - $lyrics3tagsize, SEEK_END);
- $APEfooterID3v1 = fread($fd, $id3v1tagsize + $apetagheadersize + $lyrics3tagsize);
-
- //if (preg_match('/APETAGEX.{24}TAG.{125}$/i', $APEfooterID3v1)) {
- if (substr($APEfooterID3v1, strlen($APEfooterID3v1) - $id3v1tagsize - $apetagheadersize, 8) == 'APETAGEX') {
-
- // APE tag found before ID3v1
- $ThisFileInfo['ape']['tag_offset_end'] = $ThisFileInfo['filesize'] - $id3v1tagsize;
-
- //} elseif (preg_match('/APETAGEX.{24}$/i', $APEfooterID3v1)) {
- } elseif (substr($APEfooterID3v1, strlen($APEfooterID3v1) - $apetagheadersize, 8) == 'APETAGEX') {
-
- // APE tag found, no ID3v1
- $ThisFileInfo['ape']['tag_offset_end'] = $ThisFileInfo['filesize'];
-
- }
-
- } else {
-
- fseek($fd, $overrideendoffset - $apetagheadersize, SEEK_SET);
- if (fread($fd, 8) == 'APETAGEX') {
- $ThisFileInfo['ape']['tag_offset_end'] = $overrideendoffset;
- }
-
- }
- if (!isset($ThisFileInfo['ape']['tag_offset_end'])) {
-
- // APE tag not found
- unset($ThisFileInfo['ape']);
- return false;
-
- }
-
- // shortcut
- $thisfile_ape = &$ThisFileInfo['ape'];
-
- fseek($fd, $thisfile_ape['tag_offset_end'] - $apetagheadersize, SEEK_SET);
- $APEfooterData = fread($fd, 32);
- if (!($thisfile_ape['footer'] = $this->parseAPEheaderFooter($APEfooterData))) {
- $ThisFileInfo['error'][] = 'Error parsing APE footer at offset '.$thisfile_ape['tag_offset_end'];
- return false;
- }
-
- if (isset($thisfile_ape['footer']['flags']['header']) && $thisfile_ape['footer']['flags']['header']) {
- fseek($fd, $thisfile_ape['tag_offset_end'] - $thisfile_ape['footer']['raw']['tagsize'] - $apetagheadersize, SEEK_SET);
- $thisfile_ape['tag_offset_start'] = ftell($fd);
- $APEtagData = fread($fd, $thisfile_ape['footer']['raw']['tagsize'] + $apetagheadersize);
- } else {
- $thisfile_ape['tag_offset_start'] = $thisfile_ape['tag_offset_end'] - $thisfile_ape['footer']['raw']['tagsize'];
- fseek($fd, $thisfile_ape['tag_offset_start'], SEEK_SET);
- $APEtagData = fread($fd, $thisfile_ape['footer']['raw']['tagsize']);
- }
- $ThisFileInfo['avdataend'] = $thisfile_ape['tag_offset_start'];
-
- if (isset($ThisFileInfo['id3v1']['tag_offset_start']) && ($ThisFileInfo['id3v1']['tag_offset_start'] < $thisfile_ape['tag_offset_end'])) {
- $ThisFileInfo['warning'][] = 'ID3v1 tag information ignored since it appears to be a false synch in APEtag data';
- unset($ThisFileInfo['id3v1']);
- foreach ($ThisFileInfo['warning'] as $key => $value) {
- if ($value == 'Some ID3v1 fields do not use NULL characters for padding') {
- unset($ThisFileInfo['warning'][$key]);
- sort($ThisFileInfo['warning']);
- break;
- }
- }
- }
-
- $offset = 0;
- if (isset($thisfile_ape['footer']['flags']['header']) && $thisfile_ape['footer']['flags']['header']) {
- if ($thisfile_ape['header'] = $this->parseAPEheaderFooter(substr($APEtagData, 0, $apetagheadersize))) {
- $offset += $apetagheadersize;
- } else {
- $ThisFileInfo['error'][] = 'Error parsing APE header at offset '.$thisfile_ape['tag_offset_start'];
- return false;
- }
- }
-
- // shortcut
- $ThisFileInfo['replay_gain'] = array();
- $thisfile_replaygain = &$ThisFileInfo['replay_gain'];
-
- for ($i = 0; $i < $thisfile_ape['footer']['raw']['tag_items']; $i++) {
- $value_size = getid3_lib::LittleEndian2Int(substr($APEtagData, $offset, 4));
- $offset += 4;
- $item_flags = getid3_lib::LittleEndian2Int(substr($APEtagData, $offset, 4));
- $offset += 4;
- if (strstr(substr($APEtagData, $offset), "\x00") === false) {
- $ThisFileInfo['error'][] = 'Cannot find null-byte (0x00) seperator between ItemKey #'.$i.' and value. ItemKey starts '.$offset.' bytes into the APE tag, at file offset '.($thisfile_ape['tag_offset_start'] + $offset);
- return false;
- }
- $ItemKeyLength = strpos($APEtagData, "\x00", $offset) - $offset;
- $item_key = strtolower(substr($APEtagData, $offset, $ItemKeyLength));
-
- // shortcut
- $thisfile_ape['items'][$item_key] = array();
- $thisfile_ape_items_current = &$thisfile_ape['items'][$item_key];
-
- $offset += ($ItemKeyLength + 1); // skip 0x00 terminator
- $thisfile_ape_items_current['data'] = substr($APEtagData, $offset, $value_size);
- $offset += $value_size;
-
- $thisfile_ape_items_current['flags'] = $this->parseAPEtagFlags($item_flags);
- switch ($thisfile_ape_items_current['flags']['item_contents_raw']) {
- case 0: // UTF-8
- case 3: // Locator (URL, filename, etc), UTF-8 encoded
- $thisfile_ape_items_current['data'] = explode("\x00", trim($thisfile_ape_items_current['data']));
- break;
-
- default: // binary data
- break;
- }
-
- switch (strtolower($item_key)) {
- case 'replaygain_track_gain':
- $thisfile_replaygain['track']['adjustment'] = (float) str_replace(',', '.', $thisfile_ape_items_current['data'][0]); // float casting will see "0,95" as zero!
- $thisfile_replaygain['track']['originator'] = 'unspecified';
- break;
-
- case 'replaygain_track_peak':
- $thisfile_replaygain['track']['peak'] = (float) str_replace(',', '.', $thisfile_ape_items_current['data'][0]); // float casting will see "0,95" as zero!
- $thisfile_replaygain['track']['originator'] = 'unspecified';
- if ($thisfile_replaygain['track']['peak'] <= 0) {
- $ThisFileInfo['warning'][] = 'ReplayGain Track peak from APEtag appears invalid: '.$thisfile_replaygain['track']['peak'].' (original value = "'.$thisfile_ape_items_current['data'][0].'")';
- }
- break;
-
- case 'replaygain_album_gain':
- $thisfile_replaygain['album']['adjustment'] = (float) str_replace(',', '.', $thisfile_ape_items_current['data'][0]); // float casting will see "0,95" as zero!
- $thisfile_replaygain['album']['originator'] = 'unspecified';
- break;
-
- case 'replaygain_album_peak':
- $thisfile_replaygain['album']['peak'] = (float) str_replace(',', '.', $thisfile_ape_items_current['data'][0]); // float casting will see "0,95" as zero!
- $thisfile_replaygain['album']['originator'] = 'unspecified';
- if ($thisfile_replaygain['album']['peak'] <= 0) {
- $ThisFileInfo['warning'][] = 'ReplayGain Album peak from APEtag appears invalid: '.$thisfile_replaygain['album']['peak'].' (original value = "'.$thisfile_ape_items_current['data'][0].'")';
- }
- break;
-
- case 'mp3gain_undo':
- list($mp3gain_undo_left, $mp3gain_undo_right, $mp3gain_undo_wrap) = explode(',', $thisfile_ape_items_current['data'][0]);
- $thisfile_replaygain['mp3gain']['undo_left'] = intval($mp3gain_undo_left);
- $thisfile_replaygain['mp3gain']['undo_right'] = intval($mp3gain_undo_right);
- $thisfile_replaygain['mp3gain']['undo_wrap'] = (($mp3gain_undo_wrap == 'Y') ? true : false);
- break;
-
- case 'mp3gain_minmax':
- list($mp3gain_globalgain_min, $mp3gain_globalgain_max) = explode(',', $thisfile_ape_items_current['data'][0]);
- $thisfile_replaygain['mp3gain']['globalgain_track_min'] = intval($mp3gain_globalgain_min);
- $thisfile_replaygain['mp3gain']['globalgain_track_max'] = intval($mp3gain_globalgain_max);
- break;
-
- case 'mp3gain_album_minmax':
- list($mp3gain_globalgain_album_min, $mp3gain_globalgain_album_max) = explode(',', $thisfile_ape_items_current['data'][0]);
- $thisfile_replaygain['mp3gain']['globalgain_album_min'] = intval($mp3gain_globalgain_album_min);
- $thisfile_replaygain['mp3gain']['globalgain_album_max'] = intval($mp3gain_globalgain_album_max);
- break;
-
- case 'tracknumber':
- foreach ($thisfile_ape_items_current['data'] as $comment) {
- $thisfile_ape['comments']['track'][] = $comment;
- }
- break;
-
- default:
- foreach ($thisfile_ape_items_current['data'] as $comment) {
- $thisfile_ape['comments'][strtolower($item_key)][] = $comment;
- }
- break;
- }
-
- }
- if (empty($thisfile_replaygain)) {
- unset($ThisFileInfo['replay_gain']);
- }
-
- return true;
- }
-
- function parseAPEheaderFooter($APEheaderFooterData) {
- // http://www.uni-jena.de/~pfk/mpp/sv8/apeheader.html
-
- // shortcut
- $headerfooterinfo['raw'] = array();
- $headerfooterinfo_raw = &$headerfooterinfo['raw'];
-
- $headerfooterinfo_raw['footer_tag'] = substr($APEheaderFooterData, 0, 8);
- if ($headerfooterinfo_raw['footer_tag'] != 'APETAGEX') {
- return false;
- }
- $headerfooterinfo_raw['version'] = getid3_lib::LittleEndian2Int(substr($APEheaderFooterData, 8, 4));
- $headerfooterinfo_raw['tagsize'] = getid3_lib::LittleEndian2Int(substr($APEheaderFooterData, 12, 4));
- $headerfooterinfo_raw['tag_items'] = getid3_lib::LittleEndian2Int(substr($APEheaderFooterData, 16, 4));
- $headerfooterinfo_raw['global_flags'] = getid3_lib::LittleEndian2Int(substr($APEheaderFooterData, 20, 4));
- $headerfooterinfo_raw['reserved'] = substr($APEheaderFooterData, 24, 8);
-
- $headerfooterinfo['tag_version'] = $headerfooterinfo_raw['version'] / 1000;
- if ($headerfooterinfo['tag_version'] >= 2) {
- $headerfooterinfo['flags'] = $this->parseAPEtagFlags($headerfooterinfo_raw['global_flags']);
- }
- return $headerfooterinfo;
- }
-
- function parseAPEtagFlags($rawflagint) {
- // "Note: APE Tags 1.0 do not use any of the APE Tag flags.
- // All are set to zero on creation and ignored on reading."
- // http://www.uni-jena.de/~pfk/mpp/sv8/apetagflags.html
- $flags['header'] = (bool) ($rawflagint & 0x80000000);
- $flags['footer'] = (bool) ($rawflagint & 0x40000000);
- $flags['this_is_header'] = (bool) ($rawflagint & 0x20000000);
- $flags['item_contents_raw'] = ($rawflagint & 0x00000006) >> 1;
- $flags['read_only'] = (bool) ($rawflagint & 0x00000001);
-
- $flags['item_contents'] = $this->APEcontentTypeFlagLookup($flags['item_contents_raw']);
-
- return $flags;
- }
-
- function APEcontentTypeFlagLookup($contenttypeid) {
- static $APEcontentTypeFlagLookup = array(
- 0 => 'utf-8',
- 1 => 'binary',
- 2 => 'external',
- 3 => 'reserved'
- );
- return (isset($APEcontentTypeFlagLookup[$contenttypeid]) ? $APEcontentTypeFlagLookup[$contenttypeid] : 'invalid');
- }
-
- function APEtagItemIsUTF8Lookup($itemkey) {
- static $APEtagItemIsUTF8Lookup = array(
- 'title',
- 'subtitle',
- 'artist',
- 'album',
- 'debut album',
- 'publisher',
- 'conductor',
- 'track',
- 'composer',
- 'comment',
- 'copyright',
- 'publicationright',
- 'file',
- 'year',
- 'record date',
- 'record location',
- 'genre',
- 'media',
- 'related',
- 'isrc',
- 'abstract',
- 'language',
- 'bibliography'
- );
- return in_array(strtolower($itemkey), $APEtagItemIsUTF8Lookup);
- }
-
-}
-
-?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 16:32:08 +0000