X-Git-Url: https://scripts.mit.edu/gitweb/autoinstallsdev/mediawiki.git/blobdiff_plain/19e297c21b10b1b8a3acad5e73fc71dcb35db44a..6932310fd58ebef145fa01eb76edf7150284d8ea:/vendor/james-heinrich/getid3/getid3/write.apetag.php diff --git a/vendor/james-heinrich/getid3/getid3/write.apetag.php b/vendor/james-heinrich/getid3/getid3/write.apetag.php new file mode 100644 index 00000000..d6044b29 --- /dev/null +++ b/vendor/james-heinrich/getid3/getid3/write.apetag.php @@ -0,0 +1,224 @@ + // +// available at http://getid3.sourceforge.net // +// or http://www.getid3.org // +// also https://github.com/JamesHeinrich/getID3 // +///////////////////////////////////////////////////////////////// +// See readme.txt for more details // +///////////////////////////////////////////////////////////////// +// // +// write.apetag.php // +// module for writing APE tags // +// dependencies: module.tag.apetag.php // +// /// +///////////////////////////////////////////////////////////////// + + +getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.apetag.php', __FILE__, true); + +class getid3_write_apetag +{ + + public $filename; + public $tag_data; + public $always_preserve_replaygain = true; // ReplayGain / MP3gain tags will be copied from old tag even if not passed in data + public $warnings = array(); // any non-critical errors will be stored here + public $errors = array(); // any critical errors will be stored here + + public function __construct() { + return true; + } + + public function WriteAPEtag() { + // NOTE: All data passed to this function must be UTF-8 format + + $getID3 = new getID3; + $ThisFileInfo = $getID3->analyze($this->filename); + + if (isset($ThisFileInfo['ape']['tag_offset_start']) && isset($ThisFileInfo['lyrics3']['tag_offset_end'])) { + if ($ThisFileInfo['ape']['tag_offset_start'] >= $ThisFileInfo['lyrics3']['tag_offset_end']) { + // Current APE tag between Lyrics3 and ID3v1/EOF + // This break Lyrics3 functionality + if (!$this->DeleteAPEtag()) { + return false; + } + $ThisFileInfo = $getID3->analyze($this->filename); + } + } + + if ($this->always_preserve_replaygain) { + $ReplayGainTagsToPreserve = array('mp3gain_minmax', 'mp3gain_album_minmax', 'mp3gain_undo', 'replaygain_track_peak', 'replaygain_track_gain', 'replaygain_album_peak', 'replaygain_album_gain'); + foreach ($ReplayGainTagsToPreserve as $rg_key) { + if (isset($ThisFileInfo['ape']['items'][strtolower($rg_key)]['data'][0]) && !isset($this->tag_data[strtoupper($rg_key)][0])) { + $this->tag_data[strtoupper($rg_key)][0] = $ThisFileInfo['ape']['items'][strtolower($rg_key)]['data'][0]; + } + } + } + + if ($APEtag = $this->GenerateAPEtag()) { + if (is_writable($this->filename) && is_file($this->filename) && ($fp = fopen($this->filename, 'a+b'))) { + $oldignoreuserabort = ignore_user_abort(true); + flock($fp, LOCK_EX); + + $PostAPEdataOffset = $ThisFileInfo['avdataend']; + if (isset($ThisFileInfo['ape']['tag_offset_end'])) { + $PostAPEdataOffset = max($PostAPEdataOffset, $ThisFileInfo['ape']['tag_offset_end']); + } + if (isset($ThisFileInfo['lyrics3']['tag_offset_start'])) { + $PostAPEdataOffset = max($PostAPEdataOffset, $ThisFileInfo['lyrics3']['tag_offset_start']); + } + fseek($fp, $PostAPEdataOffset); + $PostAPEdata = ''; + if ($ThisFileInfo['filesize'] > $PostAPEdataOffset) { + $PostAPEdata = fread($fp, $ThisFileInfo['filesize'] - $PostAPEdataOffset); + } + + fseek($fp, $PostAPEdataOffset); + if (isset($ThisFileInfo['ape']['tag_offset_start'])) { + fseek($fp, $ThisFileInfo['ape']['tag_offset_start']); + } + ftruncate($fp, ftell($fp)); + fwrite($fp, $APEtag, strlen($APEtag)); + if (!empty($PostAPEdata)) { + fwrite($fp, $PostAPEdata, strlen($PostAPEdata)); + } + flock($fp, LOCK_UN); + fclose($fp); + ignore_user_abort($oldignoreuserabort); + return true; + } + } + return false; + } + + public function DeleteAPEtag() { + $getID3 = new getID3; + $ThisFileInfo = $getID3->analyze($this->filename); + if (isset($ThisFileInfo['ape']['tag_offset_start']) && isset($ThisFileInfo['ape']['tag_offset_end'])) { + if (is_writable($this->filename) && is_file($this->filename) && ($fp = fopen($this->filename, 'a+b'))) { + + flock($fp, LOCK_EX); + $oldignoreuserabort = ignore_user_abort(true); + + fseek($fp, $ThisFileInfo['ape']['tag_offset_end']); + $DataAfterAPE = ''; + if ($ThisFileInfo['filesize'] > $ThisFileInfo['ape']['tag_offset_end']) { + $DataAfterAPE = fread($fp, $ThisFileInfo['filesize'] - $ThisFileInfo['ape']['tag_offset_end']); + } + + ftruncate($fp, $ThisFileInfo['ape']['tag_offset_start']); + fseek($fp, $ThisFileInfo['ape']['tag_offset_start']); + + if (!empty($DataAfterAPE)) { + fwrite($fp, $DataAfterAPE, strlen($DataAfterAPE)); + } + + flock($fp, LOCK_UN); + fclose($fp); + ignore_user_abort($oldignoreuserabort); + + return true; + } + return false; + } + return true; + } + + + public function GenerateAPEtag() { + // NOTE: All data passed to this function must be UTF-8 format + + $items = array(); + if (!is_array($this->tag_data)) { + return false; + } + foreach ($this->tag_data as $key => $arrayofvalues) { + if (!is_array($arrayofvalues)) { + return false; + } + + $valuestring = ''; + foreach ($arrayofvalues as $value) { + $valuestring .= str_replace("\x00", '', $value)."\x00"; + } + $valuestring = rtrim($valuestring, "\x00"); + + // Length of the assigned value in bytes + $tagitem = getid3_lib::LittleEndian2String(strlen($valuestring), 4); + + //$tagitem .= $this->GenerateAPEtagFlags(true, true, false, 0, false); + $tagitem .= "\x00\x00\x00\x00"; + + $tagitem .= $this->CleanAPEtagItemKey($key)."\x00"; + $tagitem .= $valuestring; + + $items[] = $tagitem; + + } + + return $this->GenerateAPEtagHeaderFooter($items, true).implode('', $items).$this->GenerateAPEtagHeaderFooter($items, false); + } + + public function GenerateAPEtagHeaderFooter(&$items, $isheader=false) { + $tagdatalength = 0; + foreach ($items as $itemdata) { + $tagdatalength += strlen($itemdata); + } + + $APEheader = 'APETAGEX'; + $APEheader .= getid3_lib::LittleEndian2String(2000, 4); + $APEheader .= getid3_lib::LittleEndian2String(32 + $tagdatalength, 4); + $APEheader .= getid3_lib::LittleEndian2String(count($items), 4); + $APEheader .= $this->GenerateAPEtagFlags(true, true, $isheader, 0, false); + $APEheader .= str_repeat("\x00", 8); + + return $APEheader; + } + + public function GenerateAPEtagFlags($header=true, $footer=true, $isheader=false, $encodingid=0, $readonly=false) { + $APEtagFlags = array_fill(0, 4, 0); + if ($header) { + $APEtagFlags[0] |= 0x80; // Tag contains a header + } + if (!$footer) { + $APEtagFlags[0] |= 0x40; // Tag contains no footer + } + if ($isheader) { + $APEtagFlags[0] |= 0x20; // This is the header, not the footer + } + + // 0: Item contains text information coded in UTF-8 + // 1: Item contains binary information °) + // 2: Item is a locator of external stored information °°) + // 3: reserved + $APEtagFlags[3] |= ($encodingid << 1); + + if ($readonly) { + $APEtagFlags[3] |= 0x01; // Tag or Item is Read Only + } + + return chr($APEtagFlags[3]).chr($APEtagFlags[2]).chr($APEtagFlags[1]).chr($APEtagFlags[0]); + } + + public function CleanAPEtagItemKey($itemkey) { + $itemkey = preg_replace("#[^\x20-\x7E]#i", '', $itemkey); + + // http://www.personal.uni-jena.de/~pfk/mpp/sv8/apekey.html + switch (strtoupper($itemkey)) { + case 'EAN/UPC': + case 'ISBN': + case 'LC': + case 'ISRC': + $itemkey = strtoupper($itemkey); + break; + + default: + $itemkey = ucwords($itemkey); + break; + } + return $itemkey; + + } + +}