<?php ///////////////////////////////////////////////////////////////// /// getID3() by James Heinrich <[email protected]> // // 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.mp3.php // // module for analyzing MP3 files // // dependencies: NONE // // /// ///////////////////////////////////////////////////////////////// if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers exit; } class getid3_mp3 extends getid3_handler { /** * Forces getID3() to scan the file byte-by-byte and log all the valid audio frame headers - extremely slow, * unrecommended, but may provide data from otherwise-unusable files. * * @var bool */ public $allow_bruteforce = false; /** * number of frames to scan to determine if MPEG-audio sequence is valid * Lower this number to 5-20 for faster scanning * Increase this number to 50+ for most accurate detection of valid VBR/CBR mpeg-audio streams * * @var int */ public $mp3_valid_check_frames = 50; /** * @return bool */ public function Analyze() { $info = &$this->getid3->info; $initialOffset = $info['avdataoffset']; if (!$this->getOnlyMPEGaudioInfo($info['avdataoffset'])) { if ($this->allow_bruteforce) { $this->error('Rescanning file in BruteForce mode'); $this->getOnlyMPEGaudioInfoBruteForce(); } } if (isset($info['mpeg']['audio']['bitrate_mode'])) { $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); } $CurrentDataLAMEversionString = null; if (((isset($info['id3v2']['headerlength']) && ($info['avdataoffset'] > $info['id3v2']['headerlength'])) || (!isset($info['id3v2']) && ($info['avdataoffset'] > 0) && ($info['avdataoffset'] != $initialOffset)))) { $synchoffsetwarning = 'Unknown data before synch '; if (isset($info['id3v2']['headerlength'])) { $synchoffsetwarning .= '(ID3v2 header ends at '.$info['id3v2']['headerlength'].', then '.($info['avdataoffset'] - $info['id3v2']['headerlength']).' bytes garbage, '; } elseif ($initialOffset > 0) { $synchoffsetwarning .= '(should be at '.$initialOffset.', '; } else { $synchoffsetwarning .= '(should be at beginning of file, '; } $synchoffsetwarning .= 'synch detected at '.$info['avdataoffset'].')'; if (isset($info['audio']['bitrate_mode']) && ($info['audio']['bitrate_mode'] == 'cbr')) { if (!empty($info['id3v2']['headerlength']) && (($info['avdataoffset'] - $info['id3v2']['headerlength']) == $info['mpeg']['audio']['framelength'])) { $synchoffsetwarning .= '. This is a known problem with some versions of LAME (3.90-3.92) DLL in CBR mode.'; $info['audio']['codec'] = 'LAME'; $CurrentDataLAMEversionString = 'LAME3.'; } elseif (empty($info['id3v2']['headerlength']) && ($info['avdataoffset'] == $info['mpeg']['audio']['framelength'])) { $synchoffsetwarning .= '. This is a known problem with some versions of LAME (3.90 - 3.92) DLL in CBR mode.'; $info['audio']['codec'] = 'LAME'; $CurrentDataLAMEversionString = 'LAME3.'; } } $this->warning($synchoffsetwarning); } if (isset($info['mpeg']['audio']['LAME'])) { $info['audio']['codec'] = 'LAME'; if (!empty($info['mpeg']['audio']['LAME']['long_version'])) { $info['audio']['encoder'] = rtrim($info['mpeg']['audio']['LAME']['long_version'], "\x00"); } elseif (!empty($info['mpeg']['audio']['LAME']['short_version'])) { $info['audio']['encoder'] = rtrim($info['mpeg']['audio']['LAME']['short_version'], "\x00"); } } $CurrentDataLAMEversionString = (!empty($CurrentDataLAMEversionString) ? $CurrentDataLAMEversionString : (isset($info['audio']['encoder']) ? $info['audio']['encoder'] : '')); if (!empty($CurrentDataLAMEversionString) && (substr($CurrentDataLAMEversionString, 0, 6) == 'LAME3.') && !preg_match('[0-9\)]', substr($CurrentDataLAMEversionString, -1))) { // a version number of LAME that does not end with a number like "LAME3.92" // or with a closing parenthesis like "LAME3.88 (alpha)" // or a version of LAME with the LAMEtag-not-filled-in-DLL-mode bug (3.90-3.92) // not sure what the actual last frame length will be, but will be less than or equal to 1441 $PossiblyLongerLAMEversion_FrameLength = 1441; // Not sure what version of LAME this is - look in padding of last frame for longer version string $PossibleLAMEversionStringOffset = $info['avdataend'] - $PossiblyLongerLAMEversion_FrameLength; $this->fseek($PossibleLAMEversionStringOffset); $PossiblyLongerLAMEversion_Data = $this->fread($PossiblyLongerLAMEversion_FrameLength); switch (substr($CurrentDataLAMEversionString, -1)) { case 'a': case 'b': // "LAME3.94a" will have a longer version string of "LAME3.94 (alpha)" for example // need to trim off "a" to match longer string $CurrentDataLAMEversionString = substr($CurrentDataLAMEversionString, 0, -1); break; } if (($PossiblyLongerLAMEversion_String = strstr($PossiblyLongerLAMEversion_Data, $CurrentDataLAMEversionString)) !== false) { if (substr($PossiblyLongerLAMEversion_String, 0, strlen($CurrentDataLAMEversionString)) == $CurrentDataLAMEversionString) { $PossiblyLongerLAMEversion_NewString = substr($PossiblyLongerLAMEversion_String, 0, strspn($PossiblyLongerLAMEversion_String, 'LAME0123456789., (abcdefghijklmnopqrstuvwxyzJFSOND)')); //"LAME3.90.3" "LAME3.87 (beta 1, Sep 27 2000)" "LAME3.88 (beta)" if (empty($info['audio']['encoder']) || (strlen($PossiblyLongerLAMEversion_NewString) > strlen($info['audio']['encoder']))) { if (!empty($info['audio']['encoder']) && !empty($info['mpeg']['audio']['LAME']['short_version']) && ($info['audio']['encoder'] == $info['mpeg']['audio']['LAME']['short_version'])) { if (preg_match('#^LAME[0-9\\.]+#', $PossiblyLongerLAMEversion_NewString, $matches)) { // "LAME3.100" -> "LAME3.100.1", but avoid including "(alpha)" and similar $info['mpeg']['audio']['LAME']['short_version'] = $matches[0]; } } $info['audio']['encoder'] = $PossiblyLongerLAMEversion_NewString; } } } } if (!empty($info['audio']['encoder'])) { $info['audio']['encoder'] = rtrim($info['audio']['encoder'], "\x00 "); } switch (isset($info['mpeg']['audio']['layer']) ? $info['mpeg']['audio']['layer'] : '') { case 1: case 2: $info['audio']['dataformat'] = 'mp'.$info['mpeg']['audio']['layer']; break; } if (isset($info['fileformat']) && ($info['fileformat'] == 'mp3')) { switch ($info['audio']['dataformat']) { case 'mp1': case 'mp2': case 'mp3': $info['fileformat'] = $info['audio']['dataformat']; break; default: $this->warning('Expecting [audio][dataformat] to be mp1/mp2/mp3 when fileformat == mp3, [audio][dataformat] actually "'.$info['audio']['dataformat'].'"'); break; } } if (empty($info['fileformat'])) { unset($info['fileformat']); unset($info['audio']['bitrate_mode']); unset($info['avdataoffset']); unset($info['avdataend']); return false; } $info['mime_type'] = 'audio/mpeg'; $info['audio']['lossless'] = false; // Calculate playtime if (!isset($info['playtime_seconds']) && isset($info['audio']['bitrate']) && ($info['audio']['bitrate'] > 0)) { // https://github.com/JamesHeinrich/getID3/issues/161 // VBR header frame contains ~0.026s of silent audio data, but is not actually part of the original encoding and should be ignored $xingVBRheaderFrameLength = ((isset($info['mpeg']['audio']['VBR_frames']) && isset($info['mpeg']['audio']['framelength'])) ? $info['mpeg']['audio']['framelength'] : 0); $info['playtime_seconds'] = ($info['avdataend'] - $info['avdataoffset'] - $xingVBRheaderFrameLength) * 8 / $info['audio']['bitrate']; } $info['audio']['encoder_options'] = $this->GuessEncoderOptions(); return true; } /** * @return string */ public function GuessEncoderOptions() { // shortcuts $info = &$this->getid3->info; $thisfile_mpeg_audio = array(); $thisfile_mpeg_audio_lame = array(); if (!empty($info['mpeg']['audio'])) { $thisfile_mpeg_audio = &$info['mpeg']['audio']; if (!empty($thisfile_mpeg_audio['LAME'])) { $thisfile_mpeg_audio_lame = &$thisfile_mpeg_audio['LAME']; } } $encoder_options = ''; static $NamedPresetBitrates = array(16, 24, 40, 56, 112, 128, 160, 192, 256); if (isset($thisfile_mpeg_audio['VBR_method']) && ($thisfile_mpeg_audio['VBR_method'] == 'Fraunhofer') && !empty($thisfile_mpeg_audio['VBR_quality'])) { $encoder_options = 'VBR q'.$thisfile_mpeg_audio['VBR_quality']; } elseif (!empty($thisfile_mpeg_audio_lame['preset_used']) && isset($thisfile_mpeg_audio_lame['preset_used_id']) && (!in_array($thisfile_mpeg_audio_lame['preset_used_id'], $NamedPresetBitrates))) { $encoder_options = $thisfile_mpeg_audio_lame['preset_used']; } elseif (!empty($thisfile_mpeg_audio_lame['vbr_quality'])) { static $KnownEncoderValues = array(); if (empty($KnownEncoderValues)) { //$KnownEncoderValues[abrbitrate_minbitrate][vbr_quality][raw_vbr_method][raw_noise_shaping][raw_stereo_mode][ath_type][lowpass_frequency] = 'preset name'; $KnownEncoderValues[0xFF][58][1][1][3][2][20500] = '--alt-preset insane'; // 3.90, 3.90.1, 3.92 $KnownEncoderValues[0xFF][58][1][1][3][2][20600] = '--alt-preset insane'; // 3.90.2, 3.90.3, 3.91 $KnownEncoderValues[0xFF][57][1][1][3][4][20500] = '--alt-preset insane'; // 3.94, 3.95 $KnownEncoderValues['**'][78][3][2][3][2][19500] = '--alt-preset extreme'; // 3.90, 3.90.1, 3.92 $KnownEncoderValues['**'][78][3][2][3][2][19600] = '--alt-preset extreme'; // 3.90.2, 3.91 $KnownEncoderValues['**'][78][3][1][3][2][19600] = '--alt-preset extreme'; // 3.90.3 $KnownEncoderValues['**'][78][4][2][3][2][19500] = '--alt-preset fast extreme'; // 3.90, 3.90.1, 3.92 $KnownEncoderValues['**'][78][4][2][3][2][19600] = '--alt-preset fast extreme'; // 3.90.2, 3.90.3, 3.91 $KnownEncoderValues['**'][78][3][2][3][4][19000] = '--alt-preset standard'; // 3.90, 3.90.1, 3.90.2, 3.91, 3.92 $KnownEncoderValues['**'][78][3][1][3][4][19000] = '--alt-preset standard'; // 3.90.3 $KnownEncoderValues['**'][78][4][2][3][4][19000] = '--alt-preset fast standard'; // 3.90, 3.90.1, 3.90.2, 3.91, 3.92 $KnownEncoderValues['**'][78][4][1][3][4][19000] = '--alt-preset fast standard'; // 3.90.3 $KnownEncoderValues['**'][88][4][1][3][3][19500] = '--r3mix'; // 3.90, 3.90.1, 3.92 $KnownEncoderValues['**'][88][4][1][3][3][19600] = '--r3mix'; // 3.90.2, 3.90.3, 3.91 $KnownEncoderValues['**'][67][4][1][3][4][18000] = '--r3mix'; // 3.94, 3.95 $KnownEncoderValues['**'][68][3][2][3][4][18000] = '--alt-preset medium'; // 3.90.3 $KnownEncoderValues['**'][68][4][2][3][4][18000] = '--alt-preset fast medium'; // 3.90.3 $KnownEncoderValues[0xFF][99][1][1][1][2][0] = '--preset studio'; // 3.90, 3.90.1, 3.90.2, 3.91, 3.92 $KnownEncoderValues[0xFF][58][2][1][3][2][20600] = '--preset studio'; // 3.90.3, 3.93.1 $KnownEncoderValues[0xFF][58][2][1][3][2][20500] = '--preset studio'; // 3.93 $KnownEncoderValues[0xFF][57][2][1][3][4][20500] = '--preset studio'; // 3.94, 3.95 $KnownEncoderValues[0xC0][88][1][1][1][2][0] = '--preset cd'; // 3.90, 3.90.1, 3.90.2, 3.91, 3.92 $KnownEncoderValues[0xC0][58][2][2][3][2][19600] = '--preset cd'; // 3.90.3, 3.93.1 $KnownEncoderValues[0xC0][58][2][2][3][2][19500] = '--preset cd'; // 3.93 $KnownEncoderValues[0xC0][57][2][1][3][4][19500] = '--preset cd'; // 3.94, 3.95 $KnownEncoderValues[0xA0][78][1][1][3][2][18000] = '--preset hifi'; // 3.90, 3.90.1, 3.90.2, 3.91, 3.92 $KnownEncoderValues[0xA0][58][2][2][3][2][18000] = '--preset hifi'; // 3.90.3, 3.93, 3.93.1 $KnownEncoderValues[0xA0][57][2][1][3][4][18000] = '--preset hifi'; // 3.94, 3.95 $KnownEncoderValues[0x80][67][1][1][3][2][18000] = '--preset tape'; // 3.90, 3.90.1, 3.90.2, 3.91, 3.92 $KnownEncoderValues[0x80][67][1][1][3][2][15000] = '--preset radio'; // 3.90, 3.90.1, 3.90.2, 3.91, 3.92 $KnownEncoderValues[0x70][67][1][1][3][2][15000] = '--preset fm'; // 3.90, 3.90.1, 3.90.2, 3.91, 3.92 $KnownEncoderValues[0x70][58][2][2][3][2][16000] = '--preset tape/radio/fm'; // 3.90.3, 3.93, 3.93.1 $KnownEncoderValues[0x70][57][2][1][3][4][16000] = '--preset tape/radio/fm'; // 3.94, 3.95 $KnownEncoderValues[0x38][58][2][2][0][2][10000] = '--preset voice'; // 3.90.3, 3.93, 3.93.1 $KnownEncoderValues[0x38][57][2][1][0][4][15000] = '--preset voice'; // 3.94, 3.95 $KnownEncoderValues[0x38][57][2][1][0][4][16000] = '--preset voice'; // 3.94a14 $KnownEncoderValues[0x28][65][1][1][0][2][7500] = '--preset mw-us'; // 3.90, 3.90.1, 3.92 $KnownEncoderValues[0x28][65][1][1][0][2][7600] = '--preset mw-us'; // 3.90.2, 3.91 $KnownEncoderValues[0x28][58][2][2][0][2][7000] = '--preset mw-us'; // 3.90.3, 3.93, 3.93.1 $KnownEncoderValues[0x28][57][2][1][0][4][10500] = '--preset mw-us'; // 3.94, 3.95 $KnownEncoderValues[0x28][57][2][1][0][4][11200] = '--preset mw-us'; // 3.94a14 $KnownEncoderValues[0x28][57][2][1][0][4][8800] = '--preset mw-us'; // 3.94a15 $KnownEncoderValues[0x18][58][2][2][0][2][4000] = '--preset phon+/lw/mw-eu/sw'; // 3.90.3, 3.93.1 $KnownEncoderValues[0x18][58][2][2][0][2][3900] = '--preset phon+/lw/mw-eu/sw'; // 3.93 $KnownEncoderValues[0x18][57][2][1][0][4][5900] = '--preset phon+/lw/mw-eu/sw'; // 3.94, 3.95 $KnownEncoderValues[0x18][57][2][1][0][4][6200] = '--preset phon+/lw/mw-eu/sw'; // 3.94a14 $KnownEncoderValues[0x18][57][2][1][0][4][3200] = '--preset phon+/lw/mw-eu/sw'; // 3.94a15 $KnownEncoderValues[0x10][58][2][2][0][2][3800] = '--preset phone'; // 3.90.3, 3.93.1 $KnownEncoderValues[0x10][58][2][2][0][2][3700] = '--preset phone'; // 3.93 $KnownEncoderValues[0x10][57][2][1][0][4][5600] = '--preset phone'; // 3.94, 3.95 } if (isset($KnownEncoderValues[$thisfile_mpeg_audio_lame['raw']['abrbitrate_minbitrate']][$thisfile_mpeg_audio_lame['vbr_quality']][$thisfile_mpeg_audio_lame['raw']['vbr_method']][$thisfile_mpeg_audio_lame['raw']['noise_shaping']][$thisfile_mpeg_audio_lame['raw']['stereo_mode']][$thisfile_mpeg_audio_lame['ath_type']][$thisfile_mpeg_audio_lame['lowpass_frequency']])) { $encoder_options = $KnownEncoderValues[$thisfile_mpeg_audio_lame['raw']['abrbitrate_minbitrate']][$thisfile_mpeg_audio_lame['vbr_quality']][$thisfile_mpeg_audio_lame['raw']['vbr_method']][$thisfile_mpeg_audio_lame['raw']['noise_shaping']][$thisfile_mpeg_audio_lame['raw']['stereo_mode']][$thisfile_mpeg_audio_lame['ath_type']][$thisfile_mpeg_audio_lame['lowpass_frequency']]; } elseif (isset($KnownEncoderValues['**'][$thisfile_mpeg_audio_lame['vbr_quality']][$thisfile_mpeg_audio_lame['raw']['vbr_method']][$thisfile_mpeg_audio_lame['raw']['noise_shaping']][$thisfile_mpeg_audio_lame['raw']['stereo_mode']][$thisfile_mpeg_audio_lame['ath_type']][$thisfile_mpeg_audio_lame['lowpass_frequency']])) { $encoder_options = $KnownEncoderValues['**'][$thisfile_mpeg_audio_lame['vbr_quality']][$thisfile_mpeg_audio_lame['raw']['vbr_method']][$thisfile_mpeg_audio_lame['raw']['noise_shaping']][$thisfile_mpeg_audio_lame['raw']['stereo_mode']][$thisfile_mpeg_audio_lame['ath_type']][$thisfile_mpeg_audio_lame['lowpass_frequency']]; } elseif ($info['audio']['bitrate_mode'] == 'vbr') { // http://gabriel.mp3-tech.org/mp3infotag.html // int Quality = (100 - 10 * gfp->VBR_q - gfp->quality)h $LAME_V_value = 10 - ceil($thisfile_mpeg_audio_lame['vbr_quality'] / 10); $LAME_q_value = 100 - $thisfile_mpeg_audio_lame['vbr_quality'] - ($LAME_V_value * 10); $encoder_options = '-V'.$LAME_V_value.' -q'.$LAME_q_value; } elseif ($info['audio']['bitrate_mode'] == 'cbr') { $encoder_options = strtoupper($info['audio']['bitrate_mode']).ceil($info['audio']['bitrate'] / 1000); } else { $encoder_options = strtoupper($info['audio']['bitrate_mode']); } } elseif (!empty($thisfile_mpeg_audio_lame['bitrate_abr'])) { $encoder_options = 'ABR'.$thisfile_mpeg_audio_lame['bitrate_abr']; } elseif (!empty($info['audio']['bitrate'])) { if ($info['audio']['bitrate_mode'] == 'cbr') { $encoder_options = strtoupper($info['audio']['bitrate_mode']).round($info['audio']['bitrate'] / 1000); } else { $encoder_options = strtoupper($info['audio']['bitrate_mode']); } } if (!empty($thisfile_mpeg_audio_lame['bitrate_min'])) { $encoder_options .= ' -b'.$thisfile_mpeg_audio_lame['bitrate_min']; } if (isset($thisfile_mpeg_audio['bitrate']) && $thisfile_mpeg_audio['bitrate'] === 'free') { $encoder_options .= ' --freeformat'; } if (!empty($thisfile_mpeg_audio_lame['encoding_flags']['nogap_prev']) || !empty($thisfile_mpeg_audio_lame['encoding_flags']['nogap_next'])) { $encoder_options .= ' --nogap'; } if (!empty($thisfile_mpeg_audio_lame['lowpass_frequency'])) { $ExplodedOptions = explode(' ', $encoder_options, 4); if ($ExplodedOptions[0] == '--r3mix') { $ExplodedOptions[1] = 'r3mix'; } switch ($ExplodedOptions[0]) { case '--preset': case '--alt-preset': case '--r3mix': if ($ExplodedOptions[1] == 'fast') { $ExplodedOptions[1] .= ' '.$ExplodedOptions[2]; } switch ($ExplodedOptions[1]) { case 'portable': case 'medium': case 'standard': case 'extreme': case 'insane': case 'fast portable': case 'fast medium': case 'fast standard': case 'fast extreme': case 'fast insane': case 'r3mix': static $ExpectedLowpass = array( 'insane|20500' => 20500, 'insane|20600' => 20600, // 3.90.2, 3.90.3, 3.91 'medium|18000' => 18000, 'fast medium|18000' => 18000, 'extreme|19500' => 19500, // 3.90, 3.90.1, 3.92, 3.95 'extreme|19600' => 19600, // 3.90.2, 3.90.3, 3.91, 3.93.1 'fast extreme|19500' => 19500, // 3.90, 3.90.1, 3.92, 3.95 'fast extreme|19600' => 19600, // 3.90.2, 3.90.3, 3.91, 3.93.1 'standard|19000' => 19000, 'fast standard|19000' => 19000, 'r3mix|19500' => 19500, // 3.90, 3.90.1, 3.92 'r3mix|19600' => 19600, // 3.90.2, 3.90.3, 3.91 'r3mix|18000' => 18000, // 3.94, 3.95 ); if (!isset($ExpectedLowpass[$ExplodedOptions[1].'|'.$thisfile_mpeg_audio_lame['lowpass_frequency']]) && ($thisfile_mpeg_audio_lame['lowpass_frequency'] < 22050) && (round($thisfile_mpeg_audio_lame['lowpass_frequency'] / 1000) < round($thisfile_mpeg_audio['sample_rate'] / 2000))) { $encoder_options .= ' --lowpass '.$thisfile_mpeg_audio_lame['lowpass_frequency']; } break; default: break; } break; } } if (isset($thisfile_mpeg_audio_lame['raw']['source_sample_freq'])) { if (($thisfile_mpeg_audio['sample_rate'] == 44100) && ($thisfile_mpeg_audio_lame['raw']['source_sample_freq'] != 1)) { $encoder_options .= ' --resample 44100'; } elseif (($thisfile_mpeg_audio['sample_rate'] == 48000) && ($thisfile_mpeg_audio_lame['raw']['source_sample_freq'] != 2)) { $encoder_options .= ' --resample 48000'; } elseif ($thisfile_mpeg_audio['sample_rate'] < 44100) { switch ($thisfile_mpeg_audio_lame['raw']['source_sample_freq']) { case 0: // <= 32000 // may or may not be same as source frequency - ignore break; case 1: // 44100 case 2: // 48000 case 3: // 48000+ $ExplodedOptions = explode(' ', $encoder_options, 4); switch ($ExplodedOptions[0]) { case '--preset': case '--alt-preset': switch ($ExplodedOptions[1]) { case 'fast': case 'portable': case 'medium': case 'standard': case 'extreme': case 'insane': $encoder_options .= ' --resample '.$thisfile_mpeg_audio['sample_rate']; break; default: static $ExpectedResampledRate = array( 'phon+/lw/mw-eu/sw|16000' => 16000, 'mw-us|24000' => 24000, // 3.95 'mw-us|32000' => 32000, // 3.93 'mw-us|16000' => 16000, // 3.92 'phone|16000' => 16000, 'phone|11025' => 11025, // 3.94a15 'radio|32000' => 32000, // 3.94a15 'fm/radio|32000' => 32000, // 3.92 'fm|32000' => 32000, // 3.90 'voice|32000' => 32000); if (!isset($ExpectedResampledRate[$ExplodedOptions[1].'|'.$thisfile_mpeg_audio['sample_rate']])) { $encoder_options .= ' --resample '.$thisfile_mpeg_audio['sample_rate']; } break; } break; case '--r3mix': default: $encoder_options .= ' --resample '.$thisfile_mpeg_audio['sample_rate']; break; } break; } } } if (empty($encoder_options) && !empty($info['audio']['bitrate']) && !empty($info['audio']['bitrate_mode'])) { //$encoder_options = strtoupper($info['audio']['bitrate_mode']).ceil($info['audio']['bitrate'] / 1000); $encoder_options = strtoupper($info['audio']['bitrate_mode']); } return $encoder_options; } /** * @param int $offset * @param array $info * @param bool $recursivesearch * @param bool $ScanAsCBR * @param bool $FastMPEGheaderScan * * @return bool */ public function decodeMPEGaudioHeader($offset, &$info, $recursivesearch=true, $ScanAsCBR=false, $FastMPEGheaderScan=false) { static $MPEGaudioVersionLookup; static $MPEGaudioLayerLookup; static $MPEGaudioBitrateLookup; static $MPEGaudioFrequencyLookup; static $MPEGaudioChannelModeLookup; static $MPEGaudioModeExtensionLookup; static $MPEGaudioEmphasisLookup; if (empty($MPEGaudioVersionLookup)) { $MPEGaudioVersionLookup = self::MPEGaudioVersionArray(); $MPEGaudioLayerLookup = self::MPEGaudioLayerArray(); $MPEGaudioBitrateLookup = self::MPEGaudioBitrateArray(); $MPEGaudioFrequencyLookup = self::MPEGaudioFrequencyArray(); $MPEGaudioChannelModeLookup = self::MPEGaudioChannelModeArray(); $MPEGaudioModeExtensionLookup = self::MPEGaudioModeExtensionArray(); $MPEGaudioEmphasisLookup = self::MPEGaudioEmphasisArray(); } if ($this->fseek($offset) != 0) { $this->error('decodeMPEGaudioHeader() failed to seek to next offset at '.$offset); return false; } //$headerstring = $this->fread(1441); // worst-case max length = 32kHz @ 320kbps layer 3 = 1441 bytes/frame $headerstring = $this->fread(226); // LAME header at offset 36 + 190 bytes of Xing/LAME data // MP3 audio frame structure: // $aa $aa $aa $aa [$bb $bb] $cc... // where $aa..$aa is the four-byte mpeg-audio header (below) // $bb $bb is the optional 2-byte CRC // and $cc... is the audio data $head4 = substr($headerstring, 0, 4); $head4_key = getid3_lib::PrintHexBytes($head4, true, false, false); static $MPEGaudioHeaderDecodeCache = array(); if (isset($MPEGaudioHeaderDecodeCache[$head4_key])) { $MPEGheaderRawArray = $MPEGaudioHeaderDecodeCache[$head4_key]; } else { $MPEGheaderRawArray = self::MPEGaudioHeaderDecode($head4); $MPEGaudioHeaderDecodeCache[$head4_key] = $MPEGheaderRawArray; } static $MPEGaudioHeaderValidCache = array(); if (!isset($MPEGaudioHeaderValidCache[$head4_key])) { // Not in cache //$MPEGaudioHeaderValidCache[$head4_key] = self::MPEGaudioHeaderValid($MPEGheaderRawArray, false, true); // allow badly-formatted freeformat (from LAME 3.90 - 3.93.1) $MPEGaudioHeaderValidCache[$head4_key] = self::MPEGaudioHeaderValid($MPEGheaderRawArray, false, false); } // shortcut if (!isset($info['mpeg']['audio'])) { $info['mpeg']['audio'] = array(); } $thisfile_mpeg_audio = &$info['mpeg']['audio']; if ($MPEGaudioHeaderValidCache[$head4_key]) { $thisfile_mpeg_audio['raw'] = $MPEGheaderRawArray; } else { $this->warning('Invalid MPEG audio header ('.getid3_lib::PrintHexBytes($head4).') at offset '.$offset); return false; } if (!$FastMPEGheaderScan) { $thisfile_mpeg_audio['version'] = $MPEGaudioVersionLookup[$thisfile_mpeg_audio['raw']['version']]; $thisfile_mpeg_audio['layer'] = $MPEGaudioLayerLookup[$thisfile_mpeg_audio['raw']['layer']]; $thisfile_mpeg_audio['channelmode'] = $MPEGaudioChannelModeLookup[$thisfile_mpeg_audio['raw']['channelmode']]; $thisfile_mpeg_audio['channels'] = (($thisfile_mpeg_audio['channelmode'] == 'mono') ? 1 : 2); $thisfile_mpeg_audio['sample_rate'] = $MPEGaudioFrequencyLookup[$thisfile_mpeg_audio['version']][$thisfile_mpeg_audio['raw']['sample_rate']]; $thisfile_mpeg_audio['protection'] = !$thisfile_mpeg_audio['raw']['protection']; $thisfile_mpeg_audio['private'] = (bool) $thisfile_mpeg_audio['raw']['private']; $thisfile_mpeg_audio['modeextension'] = $MPEGaudioModeExtensionLookup[$thisfile_mpeg_audio['layer']][$thisfile_mpeg_audio['raw']['modeextension']]; $thisfile_mpeg_audio['copyright'] = (bool) $thisfile_mpeg_audio['raw']['copyright']; $thisfile_mpeg_audio['original'] = (bool) $thisfile_mpeg_audio['raw']['original']; $thisfile_mpeg_audio['emphasis'] = $MPEGaudioEmphasisLookup[$thisfile_mpeg_audio['raw']['emphasis']]; $info['audio']['channels'] = $thisfile_mpeg_audio['channels']; $info['audio']['sample_rate'] = $thisfile_mpeg_audio['sample_rate']; if ($thisfile_mpeg_audio['protection']) { $thisfile_mpeg_audio['crc'] = getid3_lib::BigEndian2Int(substr($headerstring, 4, 2)); } } if ($thisfile_mpeg_audio['raw']['bitrate'] == 15) { // http://www.hydrogenaudio.org/?act=ST&f=16&t=9682&st=0 $this->warning('Invalid bitrate index (15), this is a known bug in free-format MP3s encoded by LAME v3.90 - 3.93.1'); $thisfile_mpeg_audio['raw']['bitrate'] = 0; } $thisfile_mpeg_audio['padding'] = (bool) $thisfile_mpeg_audio['raw']['padding']; $thisfile_mpeg_audio['bitrate'] = $MPEGaudioBitrateLookup[$thisfile_mpeg_audio['version']][$thisfile_mpeg_audio['layer']][$thisfile_mpeg_audio['raw']['bitrate']]; if (($thisfile_mpeg_audio['bitrate'] == 'free') && ($offset == $info['avdataoffset'])) { // only skip multiple frame check if free-format bitstream found at beginning of file // otherwise is quite possibly simply corrupted data $recursivesearch = false; } // For Layer 2 there are some combinations of bitrate and mode which are not allowed. if (!$FastMPEGheaderScan && ($thisfile_mpeg_audio['layer'] == '2')) { $info['audio']['dataformat'] = 'mp2'; switch ($thisfile_mpeg_audio['channelmode']) { case 'mono': if (($thisfile_mpeg_audio['bitrate'] == 'free') || ($thisfile_mpeg_audio['bitrate'] <= 192000)) { // these are ok } else { $this->error($thisfile_mpeg_audio['bitrate'].'kbps not allowed in Layer 2, '.$thisfile_mpeg_audio['channelmode'].'.'); return false; } break; case 'stereo': case 'joint stereo': case 'dual channel': if (($thisfile_mpeg_audio['bitrate'] == 'free') || ($thisfile_mpeg_audio['bitrate'] == 64000) || ($thisfile_mpeg_audio['bitrate'] >= 96000)) { // these are ok } else { $this->error(intval(round($thisfile_mpeg_audio['bitrate'] / 1000)).'kbps not allowed in Layer 2, '.$thisfile_mpeg_audio['channelmode'].'.'); return false; } break; } } if ($info['audio']['sample_rate'] > 0) { $thisfile_mpeg_audio['framelength'] = self::MPEGaudioFrameLength($thisfile_mpeg_audio['bitrate'], $thisfile_mpeg_audio['version'], $thisfile_mpeg_audio['layer'], (int) $thisfile_mpeg_audio['padding'], $info['audio']['sample_rate']); } $nextframetestoffset = $offset + 1; if ($thisfile_mpeg_audio['bitrate'] != 'free') { $info['audio']['bitrate'] = $thisfile_mpeg_audio['bitrate']; if (isset($thisfile_mpeg_audio['framelength'])) { $nextframetestoffset = $offset + $thisfile_mpeg_audio['framelength']; } else { $this->error('Frame at offset('.$offset.') is has an invalid frame length.'); return false; } } $ExpectedNumberOfAudioBytes = 0; //////////////////////////////////////////////////////////////////////////////////// // Variable-bitrate headers if (substr($headerstring, 4 + 32, 4) == 'VBRI') { // Fraunhofer VBR header is hardcoded 'VBRI' at offset 0x24 (36) // specs taken from http://minnie.tuhs.org/pipermail/mp3encoder/2001-January/001800.html $thisfile_mpeg_audio['bitrate_mode'] = 'vbr'; $thisfile_mpeg_audio['VBR_method'] = 'Fraunhofer'; $info['audio']['codec'] = 'Fraunhofer'; $SideInfoData = substr($headerstring, 4 + 2, 32); $FraunhoferVBROffset = 36; $thisfile_mpeg_audio['VBR_encoder_version'] = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 4, 2)); // VbriVersion $thisfile_mpeg_audio['VBR_encoder_delay'] = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 6, 2)); // VbriDelay $thisfile_mpeg_audio['VBR_quality'] = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 8, 2)); // VbriQuality $thisfile_mpeg_audio['VBR_bytes'] = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 10, 4)); // VbriStreamBytes $thisfile_mpeg_audio['VBR_frames'] = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 14, 4)); // VbriStreamFrames $thisfile_mpeg_audio['VBR_seek_offsets'] = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 18, 2)); // VbriTableSize $thisfile_mpeg_audio['VBR_seek_scale'] = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 20, 2)); // VbriTableScale $thisfile_mpeg_audio['VBR_entry_bytes'] = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 22, 2)); // VbriEntryBytes $thisfile_mpeg_audio['VBR_entry_frames'] = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset + 24, 2)); // VbriEntryFrames $ExpectedNumberOfAudioBytes = $thisfile_mpeg_audio['VBR_bytes']; $previousbyteoffset = $offset; for ($i = 0; $i < $thisfile_mpeg_audio['VBR_seek_offsets']; $i++) { $Fraunhofer_OffsetN = getid3_lib::BigEndian2Int(substr($headerstring, $FraunhoferVBROffset, $thisfile_mpeg_audio['VBR_entry_bytes'])); $FraunhoferVBROffset += $thisfile_mpeg_audio['VBR_entry_bytes']; $thisfile_mpeg_audio['VBR_offsets_relative'][$i] = ($Fraunhofer_OffsetN * $thisfile_mpeg_audio['VBR_seek_scale']); $thisfile_mpeg_audio['VBR_offsets_absolute'][$i] = ($Fraunhofer_OffsetN * $thisfile_mpeg_audio['VBR_seek_scale']) + $previousbyteoffset; $previousbyteoffset += $Fraunhofer_OffsetN; } } else { // Xing VBR header is hardcoded 'Xing' at a offset 0x0D (13), 0x15 (21) or 0x24 (36) // depending on MPEG layer and number of channels $VBRidOffset = self::XingVBRidOffset($thisfile_mpeg_audio['version'], $thisfile_mpeg_audio['channelmode']); $SideInfoData = substr($headerstring, 4 + 2, $VBRidOffset - 4); if ((substr($headerstring, $VBRidOffset, strlen('Xing')) == 'Xing') || (substr($headerstring, $VBRidOffset, strlen('Info')) == 'Info')) { // 'Xing' is traditional Xing VBR frame // 'Info' is LAME-encoded CBR (This was done to avoid CBR files to be recognized as traditional Xing VBR files by some decoders.) // 'Info' *can* legally be used to specify a VBR file as well, however. // http://www.multiweb.cz/twoinches/MP3inside.htm //00..03 = "Xing" or "Info" //04..07 = Flags: // 0x01 Frames Flag set if value for number of frames in file is stored // 0x02 Bytes Flag set if value for filesize in bytes is stored // 0x04 TOC Flag set if values for TOC are stored // 0x08 VBR Scale Flag set if values for VBR scale is stored //08..11 Frames: Number of frames in file (including the first Xing/Info one) //12..15 Bytes: File length in Bytes //16..115 TOC (Table of Contents): // Contains of 100 indexes (one Byte length) for easier lookup in file. Approximately solves problem with moving inside file. // Each Byte has a value according this formula: // (TOC[i] / 256) * fileLenInBytes // So if song lasts eg. 240 sec. and you want to jump to 60. sec. (and file is 5 000 000 Bytes length) you can use: // TOC[(60/240)*100] = TOC[25] // and corresponding Byte in file is then approximately at: // (TOC[25]/256) * 5000000 //116..119 VBR Scale // should be safe to leave this at 'vbr' and let it be overriden to 'cbr' if a CBR preset/mode is used by LAME // if (substr($headerstring, $VBRidOffset, strlen('Info')) == 'Xing') { $thisfile_mpeg_audio['bitrate_mode'] = 'vbr'; $thisfile_mpeg_audio['VBR_method'] = 'Xing'; // } else { // $ScanAsCBR = true; // $thisfile_mpeg_audio['bitrate_mode'] = 'cbr'; // } $thisfile_mpeg_audio['xing_flags_raw'] = getid3_lib::BigEndian2Int(substr($headerstring, $VBRidOffset + 4, 4)); $thisfile_mpeg_audio['xing_flags']['frames'] = (bool) ($thisfile_mpeg_audio['xing_flags_raw'] & 0x00000001); $thisfile_mpeg_audio['xing_flags']['bytes'] = (bool) ($thisfile_mpeg_audio['xing_flags_raw'] & 0x00000002); $thisfile_mpeg_audio['xing_flags']['toc'] = (bool) ($thisfile_mpeg_audio['xing_flags_raw'] & 0x00000004); $thisfile_mpeg_audio['xing_flags']['vbr_scale'] = (bool) ($thisfile_mpeg_audio['xing_flags_raw'] & 0x00000008); if ($thisfile_mpeg_audio['xing_flags']['frames']) { $thisfile_mpeg_audio['VBR_frames'] = getid3_lib::BigEndian2Int(substr($headerstring, $VBRidOffset + 8, 4)); //$thisfile_mpeg_audio['VBR_frames']--; // don't count header Xing/Info frame } if ($thisfile_mpeg_audio['xing_flags']['bytes']) { $thisfile_mpeg_audio['VBR_bytes'] = getid3_lib::BigEndian2Int(substr($headerstring, $VBRidOffset + 12, 4)); } //if (($thisfile_mpeg_audio['bitrate'] == 'free') && !empty($thisfile_mpeg_audio['VBR_frames']) && !empty($thisfile_mpeg_audio['VBR_bytes'])) { //if (!empty($thisfile_mpeg_audio['VBR_frames']) && !empty($thisfile_mpeg_audio['VBR_bytes'])) { if (!empty($thisfile_mpeg_audio['VBR_frames'])) { $used_filesize = 0; if (!empty($thisfile_mpeg_audio['VBR_bytes'])) { $used_filesize = $thisfile_mpeg_audio['VBR_bytes']; } elseif (!empty($info['filesize'])) { $used_filesize = $info['filesize']; $used_filesize -= (isset($info['id3v2']['headerlength']) ? intval($info['id3v2']['headerlength']) : 0); $used_filesize -= (isset($info['id3v1']) ? 128 : 0); $used_filesize -= (isset($info['tag_offset_end']) ? $info['tag_offset_end'] - $info['tag_offset_start'] : 0); $this->warning('MP3.Xing header missing VBR_bytes, assuming MPEG audio portion of file is '.number_format($used_filesize).' bytes'); } $framelengthfloat = $used_filesize / $thisfile_mpeg_audio['VBR_frames']; if ($thisfile_mpeg_audio['layer'] == '1') { // BitRate = (((FrameLengthInBytes / 4) - Padding) * SampleRate) / 12 //$info['audio']['bitrate'] = ((($framelengthfloat / 4) - intval($thisfile_mpeg_audio['padding'])) * $thisfile_mpeg_audio['sample_rate']) / 12; $info['audio']['bitrate'] = ($framelengthfloat / 4) * $thisfile_mpeg_audio['sample_rate'] * (2 / $info['audio']['channels']) / 12; } else { // Bitrate = ((FrameLengthInBytes - Padding) * SampleRate) / 144 //$info['audio']['bitrate'] = (($framelengthfloat - intval($thisfile_mpeg_audio['padding'])) * $thisfile_mpeg_audio['sample_rate']) / 144; $info['audio']['bitrate'] = $framelengthfloat * $thisfile_mpeg_audio['sample_rate'] * (2 / $info['audio']['channels']) / 144; } $thisfile_mpeg_audio['framelength'] = floor($framelengthfloat); } if ($thisfile_mpeg_audio['xing_flags']['toc']) { $LAMEtocData = substr($headerstring, $VBRidOffset + 16, 100); for ($i = 0; $i < 100; $i++) { $thisfile_mpeg_audio['toc'][$i] = ord($LAMEtocData[$i]); } } if ($thisfile_mpeg_audio['xing_flags']['vbr_scale']) { $thisfile_mpeg_audio['VBR_scale'] = getid3_lib::BigEndian2Int(substr($headerstring, $VBRidOffset + 116, 4)); } // http://gabriel.mp3-tech.org/mp3infotag.html if (substr($headerstring, $VBRidOffset + 120, 4) == 'LAME') { // shortcut $thisfile_mpeg_audio['LAME'] = array(); $thisfile_mpeg_audio_lame = &$thisfile_mpeg_audio['LAME']; $thisfile_mpeg_audio_lame['long_version'] = substr($headerstring, $VBRidOffset + 120, 20); $thisfile_mpeg_audio_lame['short_version'] = substr($thisfile_mpeg_audio_lame['long_version'], 0, 9); //$thisfile_mpeg_audio_lame['numeric_version'] = str_replace('LAME', '', $thisfile_mpeg_audio_lame['short_version']); $thisfile_mpeg_audio_lame['numeric_version'] = ''; if (preg_match('#^LAME([0-9\\.a-z]*)#', $thisfile_mpeg_audio_lame['long_version'], $matches)) { $thisfile_mpeg_audio_lame['short_version'] = $matches[0]; $thisfile_mpeg_audio_lame['numeric_version'] = $matches[1]; } if (strlen($thisfile_mpeg_audio_lame['numeric_version']) > 0) { foreach (explode('.', $thisfile_mpeg_audio_lame['numeric_version']) as $key => $number) { $thisfile_mpeg_audio_lame['integer_version'][$key] = intval($number); } //if ($thisfile_mpeg_audio_lame['short_version'] >= 'LAME3.90') { if ((($thisfile_mpeg_audio_lame['integer_version'][0] * 1000) + $thisfile_mpeg_audio_lame['integer_version'][1]) >= 3090) { // cannot use string version compare, may have "LAME3.90" or "LAME3.100" -- see https://github.com/JamesHeinrich/getID3/issues/207 // extra 11 chars are not part of version string when LAMEtag present unset($thisfile_mpeg_audio_lame['long_version']); // It the LAME tag was only introduced in LAME v3.90 // https://wiki.hydrogenaud.io/index.php/LAME#VBR_header_and_LAME_tag // https://hydrogenaud.io/index.php?topic=9933 // Offsets of various bytes in http://gabriel.mp3-tech.org/mp3infotag.html // are assuming a 'Xing' identifier offset of 0x24, which is the case for // MPEG-1 non-mono, but not for other combinations $LAMEtagOffsetContant = $VBRidOffset - 0x24; // shortcuts $thisfile_mpeg_audio_lame['RGAD'] = array('track'=>array(), 'album'=>array()); $thisfile_mpeg_audio_lame_RGAD = &$thisfile_mpeg_audio_lame['RGAD']; $thisfile_mpeg_audio_lame_RGAD_track = &$thisfile_mpeg_audio_lame_RGAD['track']; $thisfile_mpeg_audio_lame_RGAD_album = &$thisfile_mpeg_audio_lame_RGAD['album']; $thisfile_mpeg_audio_lame['raw'] = array(); $thisfile_mpeg_audio_lame_raw = &$thisfile_mpeg_audio_lame['raw']; // byte $9B VBR Quality // This field is there to indicate a quality level, although the scale was not precised in the original Xing specifications. // Actually overwrites original Xing bytes unset($thisfile_mpeg_audio['VBR_scale']); $thisfile_mpeg_audio_lame['vbr_quality'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0x9B, 1)); // bytes $9C-$A4 Encoder short VersionString $thisfile_mpeg_audio_lame['short_version'] = substr($headerstring, $LAMEtagOffsetContant + 0x9C, 9); // byte $A5 Info Tag revision + VBR method $LAMEtagRevisionVBRmethod = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xA5, 1)); $thisfile_mpeg_audio_lame['tag_revision'] = ($LAMEtagRevisionVBRmethod & 0xF0) >> 4; $thisfile_mpeg_audio_lame_raw['vbr_method'] = $LAMEtagRevisionVBRmethod & 0x0F; $thisfile_mpeg_audio_lame['vbr_method'] = self::LAMEvbrMethodLookup($thisfile_mpeg_audio_lame_raw['vbr_method']); $thisfile_mpeg_audio['bitrate_mode'] = substr($thisfile_mpeg_audio_lame['vbr_method'], 0, 3); // usually either 'cbr' or 'vbr', but truncates 'vbr-old / vbr-rh' to 'vbr' // byte $A6 Lowpass filter value $thisfile_mpeg_audio_lame['lowpass_frequency'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xA6, 1)) * 100; // bytes $A7-$AE Replay Gain // https://web.archive.org/web/20021015212753/http://privatewww.essex.ac.uk/~djmrob/replaygain/rg_data_format.html // bytes $A7-$AA : 32 bit floating point "Peak signal amplitude" if ($thisfile_mpeg_audio_lame['short_version'] >= 'LAME3.94b') { // LAME 3.94a16 and later - 9.23 fixed point // ie 0x0059E2EE / (2^23) = 5890798 / 8388608 = 0.7022378444671630859375 $thisfile_mpeg_audio_lame_RGAD['peak_amplitude'] = (float) ((getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xA7, 4))) / 8388608); } else { // LAME 3.94a15 and earlier - 32-bit floating point // Actually 3.94a16 will fall in here too and be WRONG, but is hard to detect 3.94a16 vs 3.94a15 $thisfile_mpeg_audio_lame_RGAD['peak_amplitude'] = getid3_lib::LittleEndian2Float(substr($headerstring, $LAMEtagOffsetContant + 0xA7, 4)); } if ($thisfile_mpeg_audio_lame_RGAD['peak_amplitude'] == 0) { unset($thisfile_mpeg_audio_lame_RGAD['peak_amplitude']); } else { $thisfile_mpeg_audio_lame_RGAD['peak_db'] = getid3_lib::RGADamplitude2dB($thisfile_mpeg_audio_lame_RGAD['peak_amplitude']); } $thisfile_mpeg_audio_lame_raw['RGAD_track'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xAB, 2)); $thisfile_mpeg_audio_lame_raw['RGAD_album'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xAD, 2)); if ($thisfile_mpeg_audio_lame_raw['RGAD_track'] != 0) { $thisfile_mpeg_audio_lame_RGAD_track['raw']['name'] = ($thisfile_mpeg_audio_lame_raw['RGAD_track'] & 0xE000) >> 13; $thisfile_mpeg_audio_lame_RGAD_track['raw']['originator'] = ($thisfile_mpeg_audio_lame_raw['RGAD_track'] & 0x1C00) >> 10; $thisfile_mpeg_audio_lame_RGAD_track['raw']['sign_bit'] = ($thisfile_mpeg_audio_lame_raw['RGAD_track'] & 0x0200) >> 9; $thisfile_mpeg_audio_lame_RGAD_track['raw']['gain_adjust'] = $thisfile_mpeg_audio_lame_raw['RGAD_track'] & 0x01FF; $thisfile_mpeg_audio_lame_RGAD_track['name'] = getid3_lib::RGADnameLookup($thisfile_mpeg_audio_lame_RGAD_track['raw']['name']); $thisfile_mpeg_audio_lame_RGAD_track['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_mpeg_audio_lame_RGAD_track['raw']['originator']); $thisfile_mpeg_audio_lame_RGAD_track['gain_db'] = getid3_lib::RGADadjustmentLookup($thisfile_mpeg_audio_lame_RGAD_track['raw']['gain_adjust'], $thisfile_mpeg_audio_lame_RGAD_track['raw']['sign_bit']); if (!empty($thisfile_mpeg_audio_lame_RGAD['peak_amplitude'])) { $info['replay_gain']['track']['peak'] = $thisfile_mpeg_audio_lame_RGAD['peak_amplitude']; } $info['replay_gain']['track']['originator'] = $thisfile_mpeg_audio_lame_RGAD_track['originator']; $info['replay_gain']['track']['adjustment'] = $thisfile_mpeg_audio_lame_RGAD_track['gain_db']; } else { unset($thisfile_mpeg_audio_lame_RGAD['track']); } if ($thisfile_mpeg_audio_lame_raw['RGAD_album'] != 0) { $thisfile_mpeg_audio_lame_RGAD_album['raw']['name'] = ($thisfile_mpeg_audio_lame_raw['RGAD_album'] & 0xE000) >> 13; $thisfile_mpeg_audio_lame_RGAD_album['raw']['originator'] = ($thisfile_mpeg_audio_lame_raw['RGAD_album'] & 0x1C00) >> 10; $thisfile_mpeg_audio_lame_RGAD_album['raw']['sign_bit'] = ($thisfile_mpeg_audio_lame_raw['RGAD_album'] & 0x0200) >> 9; $thisfile_mpeg_audio_lame_RGAD_album['raw']['gain_adjust'] = $thisfile_mpeg_audio_lame_raw['RGAD_album'] & 0x01FF; $thisfile_mpeg_audio_lame_RGAD_album['name'] = getid3_lib::RGADnameLookup($thisfile_mpeg_audio_lame_RGAD_album['raw']['name']); $thisfile_mpeg_audio_lame_RGAD_album['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_mpeg_audio_lame_RGAD_album['raw']['originator']); $thisfile_mpeg_audio_lame_RGAD_album['gain_db'] = getid3_lib::RGADadjustmentLookup($thisfile_mpeg_audio_lame_RGAD_album['raw']['gain_adjust'], $thisfile_mpeg_audio_lame_RGAD_album['raw']['sign_bit']); if (!empty($thisfile_mpeg_audio_lame_RGAD['peak_amplitude'])) { $info['replay_gain']['album']['peak'] = $thisfile_mpeg_audio_lame_RGAD['peak_amplitude']; } $info['replay_gain']['album']['originator'] = $thisfile_mpeg_audio_lame_RGAD_album['originator']; $info['replay_gain']['album']['adjustment'] = $thisfile_mpeg_audio_lame_RGAD_album['gain_db']; } else { unset($thisfile_mpeg_audio_lame_RGAD['album']); } if (empty($thisfile_mpeg_audio_lame_RGAD)) { unset($thisfile_mpeg_audio_lame['RGAD']); } // byte $AF Encoding flags + ATH Type $EncodingFlagsATHtype = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xAF, 1)); $thisfile_mpeg_audio_lame['encoding_flags']['nspsytune'] = (bool) ($EncodingFlagsATHtype & 0x10); $thisfile_mpeg_audio_lame['encoding_flags']['nssafejoint'] = (bool) ($EncodingFlagsATHtype & 0x20); $thisfile_mpeg_audio_lame['encoding_flags']['nogap_next'] = (bool) ($EncodingFlagsATHtype & 0x40); $thisfile_mpeg_audio_lame['encoding_flags']['nogap_prev'] = (bool) ($EncodingFlagsATHtype & 0x80); $thisfile_mpeg_audio_lame['ath_type'] = $EncodingFlagsATHtype & 0x0F; // byte $B0 if ABR {specified bitrate} else {minimal bitrate} $thisfile_mpeg_audio_lame['raw']['abrbitrate_minbitrate'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xB0, 1)); if ($thisfile_mpeg_audio_lame_raw['vbr_method'] == 2) { // Average BitRate (ABR) $thisfile_mpeg_audio_lame['bitrate_abr'] = $thisfile_mpeg_audio_lame['raw']['abrbitrate_minbitrate']; } elseif ($thisfile_mpeg_audio_lame_raw['vbr_method'] == 1) { // Constant BitRate (CBR) // ignore } elseif ($thisfile_mpeg_audio_lame['raw']['abrbitrate_minbitrate'] > 0) { // Variable BitRate (VBR) - minimum bitrate $thisfile_mpeg_audio_lame['bitrate_min'] = $thisfile_mpeg_audio_lame['raw']['abrbitrate_minbitrate']; } // bytes $B1-$B3 Encoder delays $EncoderDelays = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xB1, 3)); $thisfile_mpeg_audio_lame['encoder_delay'] = ($EncoderDelays & 0xFFF000) >> 12; $thisfile_mpeg_audio_lame['end_padding'] = $EncoderDelays & 0x000FFF; // byte $B4 Misc $MiscByte = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xB4, 1)); $thisfile_mpeg_audio_lame_raw['noise_shaping'] = ($MiscByte & 0x03); $thisfile_mpeg_audio_lame_raw['stereo_mode'] = ($MiscByte & 0x1C) >> 2; $thisfile_mpeg_audio_lame_raw['not_optimal_quality'] = ($MiscByte & 0x20) >> 5; $thisfile_mpeg_audio_lame_raw['source_sample_freq'] = ($MiscByte & 0xC0) >> 6; $thisfile_mpeg_audio_lame['noise_shaping'] = $thisfile_mpeg_audio_lame_raw['noise_shaping']; $thisfile_mpeg_audio_lame['stereo_mode'] = self::LAMEmiscStereoModeLookup($thisfile_mpeg_audio_lame_raw['stereo_mode']); $thisfile_mpeg_audio_lame['not_optimal_quality'] = (bool) $thisfile_mpeg_audio_lame_raw['not_optimal_quality']; $thisfile_mpeg_audio_lame['source_sample_freq'] = self::LAMEmiscSourceSampleFrequencyLookup($thisfile_mpeg_audio_lame_raw['source_sample_freq']); // byte $B5 MP3 Gain $thisfile_mpeg_audio_lame_raw['mp3_gain'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xB5, 1), false, true); $thisfile_mpeg_audio_lame['mp3_gain_db'] = (getid3_lib::RGADamplitude2dB(2) / 4) * $thisfile_mpeg_audio_lame_raw['mp3_gain']; $thisfile_mpeg_audio_lame['mp3_gain_factor'] = pow(2, ($thisfile_mpeg_audio_lame['mp3_gain_db'] / 6)); // bytes $B6-$B7 Preset and surround info $PresetSurroundBytes = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xB6, 2)); // Reserved = ($PresetSurroundBytes & 0xC000); $thisfile_mpeg_audio_lame_raw['surround_info'] = ($PresetSurroundBytes & 0x3800); $thisfile_mpeg_audio_lame['surround_info'] = self::LAMEsurroundInfoLookup($thisfile_mpeg_audio_lame_raw['surround_info']); $thisfile_mpeg_audio_lame['preset_used_id'] = ($PresetSurroundBytes & 0x07FF); $thisfile_mpeg_audio_lame['preset_used'] = self::LAMEpresetUsedLookup($thisfile_mpeg_audio_lame); if (!empty($thisfile_mpeg_audio_lame['preset_used_id']) && empty($thisfile_mpeg_audio_lame['preset_used'])) { $this->warning('Unknown LAME preset used ('.$thisfile_mpeg_audio_lame['preset_used_id'].') - please report to [email protected]'); } if (($thisfile_mpeg_audio_lame['short_version'] == 'LAME3.90.') && !empty($thisfile_mpeg_audio_lame['preset_used_id'])) { // this may change if 3.90.4 ever comes out $thisfile_mpeg_audio_lame['short_version'] = 'LAME3.90.3'; } // bytes $B8-$BB MusicLength $thisfile_mpeg_audio_lame['audio_bytes'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xB8, 4)); $ExpectedNumberOfAudioBytes = (($thisfile_mpeg_audio_lame['audio_bytes'] > 0) ? $thisfile_mpeg_audio_lame['audio_bytes'] : $thisfile_mpeg_audio['VBR_bytes']); // bytes $BC-$BD MusicCRC $thisfile_mpeg_audio_lame['music_crc'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xBC, 2)); // bytes $BE-$BF CRC-16 of Info Tag $thisfile_mpeg_audio_lame['lame_tag_crc'] = getid3_lib::BigEndian2Int(substr($headerstring, $LAMEtagOffsetContant + 0xBE, 2)); // LAME CBR if ($thisfile_mpeg_audio_lame_raw['vbr_method'] == 1 && $thisfile_mpeg_audio['bitrate'] !== 'free') { $thisfile_mpeg_audio['bitrate_mode'] = 'cbr'; $thisfile_mpeg_audio['bitrate'] = self::ClosestStandardMP3Bitrate($thisfile_mpeg_audio['bitrate']); $info['audio']['bitrate'] = $thisfile_mpeg_audio['bitrate']; //if (empty($thisfile_mpeg_audio['bitrate']) || (!empty($thisfile_mpeg_audio_lame['bitrate_min']) && ($thisfile_mpeg_audio_lame['bitrate_min'] != 255))) { // $thisfile_mpeg_audio['bitrate'] = $thisfile_mpeg_audio_lame['bitrate_min']; //} } } } } } else { // not Fraunhofer or Xing VBR methods, most likely CBR (but could be VBR with no header) $thisfile_mpeg_audio['bitrate_mode'] = 'cbr'; if ($recursivesearch) { $thisfile_mpeg_audio['bitrate_mode'] = 'vbr'; if ($this->RecursiveFrameScanning($offset, $nextframetestoffset, true)) { $recursivesearch = false; $thisfile_mpeg_audio['bitrate_mode'] = 'cbr'; } if ($thisfile_mpeg_audio['bitrate_mode'] == 'vbr') { $this->warning('VBR file with no VBR header. Bitrate values calculated from actual frame bitrates.'); } } } } if (($ExpectedNumberOfAudioBytes > 0) && ($ExpectedNumberOfAudioBytes != ($info['avdataend'] - $info['avdataoffset']))) { if ($ExpectedNumberOfAudioBytes > ($info['avdataend'] - $info['avdataoffset'])) { if ($this->isDependencyFor('matroska') || $this->isDependencyFor('riff')) { // ignore, audio data is broken into chunks so will always be data "missing" } elseif (($ExpectedNumberOfAudioBytes - ($info['avdataend'] - $info['avdataoffset'])) == 1) { $this->warning('Last byte of data truncated (this is a known bug in Meracl ID3 Tag Writer before v1.3.5)'); } else { $this->warning('Probable truncated file: expecting '.$ExpectedNumberOfAudioBytes.' bytes of audio data, only found '.($info['avdataend'] - $info['avdataoffset']).' (short by '.($ExpectedNumberOfAudioBytes - ($info['avdataend'] - $info['avdataoffset'])).' bytes)'); } } else { if ((($info['avdataend'] - $info['avdataoffset']) - $ExpectedNumberOfAudioBytes) == 1) { // $prenullbytefileoffset = $this->ftell(); // $this->fseek($info['avdataend']); // $PossibleNullByte = $this->fread(1); // $this->fseek($prenullbytefileoffset); // if ($PossibleNullByte === "\x00") { $info['avdataend']--; // $this->warning('Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored'); // } else { // $this->warning('Too much data in file: expecting '.$ExpectedNumberOfAudioBytes.' bytes of audio data, found '.($info['avdataend'] - $info['avdataoffset']).' ('.(($info['avdataend'] - $info['avdataoffset']) - $ExpectedNumberOfAudioBytes).' bytes too many)'); // } } else { $this->warning('Too much data in file: expecting '.$ExpectedNumberOfAudioBytes.' bytes of audio data, found '.($info['avdataend'] - $info['avdataoffset']).' ('.(($info['avdataend'] - $info['avdataoffset']) - $ExpectedNumberOfAudioBytes).' bytes too many)'); } } } if (($thisfile_mpeg_audio['bitrate'] == 'free') && empty($info['audio']['bitrate'])) { if (($offset == $info['avdataoffset']) && empty($thisfile_mpeg_audio['VBR_frames'])) { $framebytelength = $this->FreeFormatFrameLength($offset, true); if ($framebytelength > 0) { $thisfile_mpeg_audio['framelength'] = $framebytelength; if ($thisfile_mpeg_audio['layer'] == '1') { // BitRate = (((FrameLengthInBytes / 4) - Padding) * SampleRate) / 12 $info['audio']['bitrate'] = ((($framebytelength / 4) - intval($thisfile_mpeg_audio['padding'])) * $thisfile_mpeg_audio['sample_rate']) / 12; } else { // Bitrate = ((FrameLengthInBytes - Padding) * SampleRate) / 144 $info['audio']['bitrate'] = (($framebytelength - intval($thisfile_mpeg_audio['padding'])) * $thisfile_mpeg_audio['sample_rate']) / 144; } } else { $this->error('Error calculating frame length of free-format MP3 without Xing/LAME header'); } } } if (isset($thisfile_mpeg_audio['VBR_frames']) ? $thisfile_mpeg_audio['VBR_frames'] : '') { switch ($thisfile_mpeg_audio['bitrate_mode']) { case 'vbr': case 'abr': $bytes_per_frame = 1152; if (($thisfile_mpeg_audio['version'] == '1') && ($thisfile_mpeg_audio['layer'] == 1)) { $bytes_per_frame = 384; } elseif ((($thisfile_mpeg_audio['version'] == '2') || ($thisfile_mpeg_audio['version'] == '2.5')) && ($thisfile_mpeg_audio['layer'] == 3)) { $bytes_per_frame = 576; } $thisfile_mpeg_audio['VBR_bitrate'] = (isset($thisfile_mpeg_audio['VBR_bytes']) ? (($thisfile_mpeg_audio['VBR_bytes'] / $thisfile_mpeg_audio['VBR_frames']) * 8) * ($info['audio']['sample_rate'] / $bytes_per_frame) : 0); if ($thisfile_mpeg_audio['VBR_bitrate'] > 0) { $info['audio']['bitrate'] = $thisfile_mpeg_audio['VBR_bitrate']; $thisfile_mpeg_audio['bitrate'] = $thisfile_mpeg_audio['VBR_bitrate']; // to avoid confusion } break; } } // End variable-bitrate headers //////////////////////////////////////////////////////////////////////////////////// if ($recursivesearch) { if (!$this->RecursiveFrameScanning($offset, $nextframetestoffset, $ScanAsCBR)) { return false; } if (!empty($this->getid3->info['mp3_validity_check_bitrates']) && !empty($thisfile_mpeg_audio['bitrate_mode']) && ($thisfile_mpeg_audio['bitrate_mode'] == 'vbr') && !empty($thisfile_mpeg_audio['VBR_bitrate'])) { // https://github.com/JamesHeinrich/getID3/issues/287 if (count(array_keys($this->getid3->info['mp3_validity_check_bitrates'])) == 1) { list($cbr_bitrate_in_short_scan) = array_keys($this->getid3->info['mp3_validity_check_bitrates']); $deviation_cbr_from_header_bitrate = abs($thisfile_mpeg_audio['VBR_bitrate'] - $cbr_bitrate_in_short_scan) / $cbr_bitrate_in_short_scan; if ($deviation_cbr_from_header_bitrate < 0.01) { // VBR header bitrate may differ slightly from true bitrate of frames, perhaps accounting for overhead of VBR header frame itself? // If measured CBR bitrate is within 1% of specified bitrate in VBR header then assume that file is truly CBR $thisfile_mpeg_audio['bitrate_mode'] = 'cbr'; //$this->warning('VBR header ignored, assuming CBR '.round($cbr_bitrate_in_short_scan / 1000).'kbps based on scan of '.$this->mp3_valid_check_frames.' frames'); } } } if (isset($this->getid3->info['mp3_validity_check_bitrates'])) { unset($this->getid3->info['mp3_validity_check_bitrates']); } } //if (false) { // // experimental side info parsing section - not returning anything useful yet // // $SideInfoBitstream = getid3_lib::BigEndian2Bin($SideInfoData); // $SideInfoOffset = 0; // // if ($thisfile_mpeg_audio['version'] == '1') { // if ($thisfile_mpeg_audio['channelmode'] == 'mono') { // // MPEG-1 (mono) // $thisfile_mpeg_audio['side_info']['main_data_begin'] = substr($SideInfoBitstream, $SideInfoOffset, 9); // $SideInfoOffset += 9; // $SideInfoOffset += 5; // } else { // // MPEG-1 (stereo, joint-stereo, dual-channel) // $thisfile_mpeg_audio['side_info']['main_data_begin'] = substr($SideInfoBitstream, $SideInfoOffset, 9); // $SideInfoOffset += 9; // $SideInfoOffset += 3; // } // } else { // 2 or 2.5 // if ($thisfile_mpeg_audio['channelmode'] == 'mono') { // // MPEG-2, MPEG-2.5 (mono) // $thisfile_mpeg_audio['side_info']['main_data_begin'] = substr($SideInfoBitstream, $SideInfoOffset, 8); // $SideInfoOffset += 8; // $SideInfoOffset += 1; // } else { // // MPEG-2, MPEG-2.5 (stereo, joint-stereo, dual-channel) // $thisfile_mpeg_audio['side_info']['main_data_begin'] = substr($SideInfoBitstream, $SideInfoOffset, 8); // $SideInfoOffset += 8; // $SideInfoOffset += 2; // } // } // // if ($thisfile_mpeg_audio['version'] == '1') { // for ($channel = 0; $channel < $info['audio']['channels']; $channel++) { // for ($scfsi_band = 0; $scfsi_band < 4; $scfsi_band++) { // $thisfile_mpeg_audio['scfsi'][$channel][$scfsi_band] = substr($SideInfoBitstream, $SideInfoOffset, 1); // $SideInfoOffset += 2; // } // } // } // for ($granule = 0; $granule < (($thisfile_mpeg_audio['version'] == '1') ? 2 : 1); $granule++) { // for ($channel = 0; $channel < $info['audio']['channels']; $channel++) { // $thisfile_mpeg_audio['part2_3_length'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 12); // $SideInfoOffset += 12; // $thisfile_mpeg_audio['big_values'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 9); // $SideInfoOffset += 9; // $thisfile_mpeg_audio['global_gain'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 8); // $SideInfoOffset += 8; // if ($thisfile_mpeg_audio['version'] == '1') { // $thisfile_mpeg_audio['scalefac_compress'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 4); // $SideInfoOffset += 4; // } else { // $thisfile_mpeg_audio['scalefac_compress'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 9); // $SideInfoOffset += 9; // } // $thisfile_mpeg_audio['window_switching_flag'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 1); // $SideInfoOffset += 1; // // if ($thisfile_mpeg_audio['window_switching_flag'][$granule][$channel] == '1') { // // $thisfile_mpeg_audio['block_type'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 2); // $SideInfoOffset += 2; // $thisfile_mpeg_audio['mixed_block_flag'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 1); // $SideInfoOffset += 1; // // for ($region = 0; $region < 2; $region++) { // $thisfile_mpeg_audio['table_select'][$granule][$channel][$region] = substr($SideInfoBitstream, $SideInfoOffset, 5); // $SideInfoOffset += 5; // } // $thisfile_mpeg_audio['table_select'][$granule][$channel][2] = 0; // // for ($window = 0; $window < 3; $window++) { // $thisfile_mpeg_audio['subblock_gain'][$granule][$channel][$window] = substr($SideInfoBitstream, $SideInfoOffset, 3); // $SideInfoOffset += 3; // } // // } else { // // for ($region = 0; $region < 3; $region++) { // $thisfile_mpeg_audio['table_select'][$granule][$channel][$region] = substr($SideInfoBitstream, $SideInfoOffset, 5); // $SideInfoOffset += 5; // } // // $thisfile_mpeg_audio['region0_count'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 4); // $SideInfoOffset += 4; // $thisfile_mpeg_audio['region1_count'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 3); // $SideInfoOffset += 3; // $thisfile_mpeg_audio['block_type'][$granule][$channel] = 0; // } // // if ($thisfile_mpeg_audio['version'] == '1') { // $thisfile_mpeg_audio['preflag'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 1); // $SideInfoOffset += 1; // } // $thisfile_mpeg_audio['scalefac_scale'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 1); // $SideInfoOffset += 1; // $thisfile_mpeg_audio['count1table_select'][$granule][$channel] = substr($SideInfoBitstream, $SideInfoOffset, 1); // $SideInfoOffset += 1; // } // } //} return true; } /** * @param int $offset * @param int $nextframetestoffset * @param bool $ScanAsCBR * * @return bool */ public function RecursiveFrameScanning(&$offset, &$nextframetestoffset, $ScanAsCBR) { $info = &$this->getid3->info; $firstframetestarray = array('error' => array(), 'warning'=> array(), 'avdataend' => $info['avdataend'], 'avdataoffset' => $info['avdataoffset']); $this->decodeMPEGaudioHeader($offset, $firstframetestarray, false); $info['mp3_validity_check_bitrates'] = array(); for ($i = 0; $i < $this->mp3_valid_check_frames; $i++) { // check next (default: 50) frames for validity, to make sure we haven't run across a false synch if (($nextframetestoffset + 4) >= $info['avdataend']) { // end of file return true; } $nextframetestarray = array('error' => array(), 'warning' => array(), 'avdataend' => $info['avdataend'], 'avdataoffset'=>$info['avdataoffset']); if ($this->decodeMPEGaudioHeader($nextframetestoffset, $nextframetestarray, false)) { /** @phpstan-ignore-next-line */ getid3_lib::safe_inc($info['mp3_validity_check_bitrates'][$nextframetestarray['mpeg']['audio']['bitrate']]); if ($ScanAsCBR) { // force CBR mode, used for trying to pick out invalid audio streams with valid(?) VBR headers, or VBR streams with no VBR header if (!isset($nextframetestarray['mpeg']['audio']['bitrate']) || !isset($firstframetestarray['mpeg']['audio']['bitrate']) || ($nextframetestarray['mpeg']['audio']['bitrate'] != $firstframetestarray['mpeg']['audio']['bitrate'])) { return false; } } // next frame is OK, get ready to check the one after that if (isset($nextframetestarray['mpeg']['audio']['framelength']) && ($nextframetestarray['mpeg']['audio']['framelength'] > 0)) { $nextframetestoffset += $nextframetestarray['mpeg']['audio']['framelength']; } else { $this->error('Frame at offset ('.$offset.') is has an invalid frame length.'); return false; } } elseif (!empty($firstframetestarray['mpeg']['audio']['framelength']) && (($nextframetestoffset + $firstframetestarray['mpeg']['audio']['framelength']) > $info['avdataend'])) { // it's not the end of the file, but there's not enough data left for another frame, so assume it's garbage/padding and return OK return true; } else { // next frame is not valid, note the error and fail, so scanning can contiue for a valid frame sequence $this->warning('Frame at offset ('.$offset.') is valid, but the next one at ('.$nextframetestoffset.') is not.'); return false; } } return true; } /** * @param int $offset * @param bool $deepscan * * @return int|false */ public function FreeFormatFrameLength($offset, $deepscan=false) { $info = &$this->getid3->info; $this->fseek($offset); $MPEGaudioData = $this->fread(32768); $SyncPattern1 = substr($MPEGaudioData, 0, 4); // may be different pattern due to padding $SyncPattern2 = $SyncPattern1[0].$SyncPattern1[1].chr(ord($SyncPattern1[2]) | 0x02).$SyncPattern1[3]; if ($SyncPattern2 === $SyncPattern1) { $SyncPattern2 = $SyncPattern1[0].$SyncPattern1[1].chr(ord($SyncPattern1[2]) & 0xFD).$SyncPattern1[3]; } $framelength = false; $framelength1 = strpos($MPEGaudioData, $SyncPattern1, 4); $framelength2 = strpos($MPEGaudioData, $SyncPattern2, 4); if ($framelength1 > 4) { $framelength = $framelength1; } if (($framelength2 > 4) && ($framelength2 < $framelength1)) { $framelength = $framelength2; } if (!$framelength) { // LAME 3.88 has a different value for modeextension on the first frame vs the rest $framelength1 = strpos($MPEGaudioData, substr($SyncPattern1, 0, 3), 4); $framelength2 = strpos($MPEGaudioData, substr($SyncPattern2, 0, 3), 4); if ($framelength1 > 4) { $framelength = $framelength1; } if (($framelength2 > 4) && ($framelength2 < $framelength1)) { $framelength = $framelength2; } if (!$framelength) { $this->error('Cannot find next free-format synch pattern ('.getid3_lib::PrintHexBytes($SyncPattern1).' or '.getid3_lib::PrintHexBytes($SyncPattern2).') after offset '.$offset); return false; } else { $this->warning('ModeExtension varies between first frame and other frames (known free-format issue in LAME 3.88)'); $info['audio']['codec'] = 'LAME'; $info['audio']['encoder'] = 'LAME3.88'; $SyncPattern1 = substr($SyncPattern1, 0, 3); $SyncPattern2 = substr($SyncPattern2, 0, 3); } } if ($deepscan) { $ActualFrameLengthValues = array(); $nextoffset = $offset + $framelength; while ($nextoffset < ($info['avdataend'] - 6)) { $this->fseek($nextoffset - 1); $NextSyncPattern = $this->fread(6); if ((substr($NextSyncPattern, 1, strlen($SyncPattern1)) == $SyncPattern1) || (substr($NextSyncPattern, 1, strlen($SyncPattern2)) == $SyncPattern2)) { // good - found where expected $ActualFrameLengthValues[] = $framelength; } elseif ((substr($NextSyncPattern, 0, strlen($SyncPattern1)) == $SyncPattern1) || (substr($NextSyncPattern, 0, strlen($SyncPattern2)) == $SyncPattern2)) { // ok - found one byte earlier than expected (last frame wasn't padded, first frame was) $ActualFrameLengthValues[] = ($framelength - 1); $nextoffset--; } elseif ((substr($NextSyncPattern, 2, strlen($SyncPattern1)) == $SyncPattern1) || (substr($NextSyncPattern, 2, strlen($SyncPattern2)) == $SyncPattern2)) { // ok - found one byte later than expected (last frame was padded, first frame wasn't) $ActualFrameLengthValues[] = ($framelength + 1); $nextoffset++; } else { $this->error('Did not find expected free-format sync pattern at offset '.$nextoffset); return false; } $nextoffset += $framelength; } if (count($ActualFrameLengthValues) > 0) { $framelength = intval(round(array_sum($ActualFrameLengthValues) / count($ActualFrameLengthValues))); } } return $framelength; } /** * @return bool */ public function getOnlyMPEGaudioInfoBruteForce() { $MPEGaudioHeaderDecodeCache = array(); $MPEGaudioHeaderValidCache = array(); $MPEGaudioHeaderLengthCache = array(); $MPEGaudioVersionLookup = self::MPEGaudioVersionArray(); $MPEGaudioLayerLookup = self::MPEGaudioLayerArray(); $MPEGaudioBitrateLookup = self::MPEGaudioBitrateArray(); $MPEGaudioFrequencyLookup = self::MPEGaudioFrequencyArray(); $MPEGaudioChannelModeLookup = self::MPEGaudioChannelModeArray(); $MPEGaudioModeExtensionLookup = self::MPEGaudioModeExtensionArray(); $MPEGaudioEmphasisLookup = self::MPEGaudioEmphasisArray(); $LongMPEGversionLookup = array(); $LongMPEGlayerLookup = array(); $LongMPEGbitrateLookup = array(); $LongMPEGpaddingLookup = array(); $LongMPEGfrequencyLookup = array(); $Distribution = array(); $Distribution['bitrate'] = array(); $Distribution['frequency'] = array(); $Distribution['layer'] = array(); $Distribution['version'] = array(); $Distribution['padding'] = array(); $info = &$this->getid3->info; $this->fseek($info['avdataoffset']); $max_frames_scan = 5000; $frames_scanned = 0; $previousvalidframe = $info['avdataoffset']; while ($this->ftell() < $info['avdataend']) { set_time_limit(30); $head4 = $this->fread(4); if (strlen($head4) < 4) { break; } if ($head4[0] != "\xFF") { for ($i = 1; $i < 4; $i++) { if ($head4[$i] == "\xFF") { $this->fseek($i - 4, SEEK_CUR); continue 2; } } continue; } if (!isset($MPEGaudioHeaderDecodeCache[$head4])) { $MPEGaudioHeaderDecodeCache[$head4] = self::MPEGaudioHeaderDecode($head4); } if (!isset($MPEGaudioHeaderValidCache[$head4])) { $MPEGaudioHeaderValidCache[$head4] = self::MPEGaudioHeaderValid($MPEGaudioHeaderDecodeCache[$head4], false, false); } if ($MPEGaudioHeaderValidCache[$head4]) { if (!isset($MPEGaudioHeaderLengthCache[$head4])) { $LongMPEGversionLookup[$head4] = $MPEGaudioVersionLookup[$MPEGaudioHeaderDecodeCache[$head4]['version']]; $LongMPEGlayerLookup[$head4] = $MPEGaudioLayerLookup[$MPEGaudioHeaderDecodeCache[$head4]['layer']]; $LongMPEGbitrateLookup[$head4] = $MPEGaudioBitrateLookup[$LongMPEGversionLookup[$head4]][$LongMPEGlayerLookup[$head4]][$MPEGaudioHeaderDecodeCache[$head4]['bitrate']]; $LongMPEGpaddingLookup[$head4] = (bool) $MPEGaudioHeaderDecodeCache[$head4]['padding']; $LongMPEGfrequencyLookup[$head4] = $MPEGaudioFrequencyLookup[$LongMPEGversionLookup[$head4]][$MPEGaudioHeaderDecodeCache[$head4]['sample_rate']]; $MPEGaudioHeaderLengthCache[$head4] = self::MPEGaudioFrameLength( $LongMPEGbitrateLookup[$head4], $LongMPEGversionLookup[$head4], $LongMPEGlayerLookup[$head4], $LongMPEGpaddingLookup[$head4], $LongMPEGfrequencyLookup[$head4]); } if ($MPEGaudioHeaderLengthCache[$head4] > 4) { $WhereWeWere = $this->ftell(); $this->fseek($MPEGaudioHeaderLengthCache[$head4] - 4, SEEK_CUR); $next4 = $this->fread(4); if ($next4[0] == "\xFF") { if (!isset($MPEGaudioHeaderDecodeCache[$next4])) { $MPEGaudioHeaderDecodeCache[$next4] = self::MPEGaudioHeaderDecode($next4); } if (!isset($MPEGaudioHeaderValidCache[$next4])) { $MPEGaudioHeaderValidCache[$next4] = self::MPEGaudioHeaderValid($MPEGaudioHeaderDecodeCache[$next4], false, false); } if ($MPEGaudioHeaderValidCache[$next4]) { $this->fseek(-4, SEEK_CUR); $Distribution['bitrate'][$LongMPEGbitrateLookup[$head4]] = isset($Distribution['bitrate'][$LongMPEGbitrateLookup[$head4]]) ? ++$Distribution['bitrate'][$LongMPEGbitrateLookup[$head4]] : 1; $Distribution['layer'][$LongMPEGlayerLookup[$head4]] = isset($Distribution['layer'][$LongMPEGlayerLookup[$head4]]) ? ++$Distribution['layer'][$LongMPEGlayerLookup[$head4]] : 1; $Distribution['version'][$LongMPEGversionLookup[$head4]] = isset($Distribution['version'][$LongMPEGversionLookup[$head4]]) ? ++$Distribution['version'][$LongMPEGversionLookup[$head4]] : 1; $Distribution['padding'][intval($LongMPEGpaddingLookup[$head4])] = isset($Distribution['padding'][intval($LongMPEGpaddingLookup[$head4])]) ? ++$Distribution['padding'][intval($LongMPEGpaddingLookup[$head4])] : 1; $Distribution['frequency'][$LongMPEGfrequencyLookup[$head4]] = isset($Distribution['frequency'][$LongMPEGfrequencyLookup[$head4]]) ? ++$Distribution['frequency'][$LongMPEGfrequencyLookup[$head4]] : 1; if (++$frames_scanned >= $max_frames_scan) { $pct_data_scanned = getid3_lib::SafeDiv($this->ftell() - $info['avdataoffset'], $info['avdataend'] - $info['avdataoffset']); $this->warning('too many MPEG audio frames to scan, only scanned first '.$max_frames_scan.' frames ('.number_format($pct_data_scanned * 100, 1).'% of file) and extrapolated distribution, playtime and bitrate may be incorrect.'); foreach ($Distribution as $key1 => $value1) { foreach ($value1 as $key2 => $value2) { $Distribution[$key1][$key2] = $pct_data_scanned ? round($value2 / $pct_data_scanned) : 1; } } break; } continue; } } unset($next4); $this->fseek($WhereWeWere - 3); } } } foreach ($Distribution as $key => $value) { ksort($Distribution[$key], SORT_NUMERIC); } ksort($Distribution['version'], SORT_STRING); $info['mpeg']['audio']['bitrate_distribution'] = $Distribution['bitrate']; $info['mpeg']['audio']['frequency_distribution'] = $Distribution['frequency']; $info['mpeg']['audio']['layer_distribution'] = $Distribution['layer']; $info['mpeg']['audio']['version_distribution'] = $Distribution['version']; $info['mpeg']['audio']['padding_distribution'] = $Distribution['padding']; if (count($Distribution['version']) > 1) { $this->error('Corrupt file - more than one MPEG version detected'); } if (count($Distribution['layer']) > 1) { $this->error('Corrupt file - more than one MPEG layer detected'); } if (count($Distribution['frequency']) > 1) { $this->error('Corrupt file - more than one MPEG sample rate detected'); } $bittotal = 0; foreach ($Distribution['bitrate'] as $bitratevalue => $bitratecount) { if ($bitratevalue != 'free') { $bittotal += ($bitratevalue * $bitratecount); } } $info['mpeg']['audio']['frame_count'] = array_sum($Distribution['bitrate']); if ($info['mpeg']['audio']['frame_count'] == 0) { $this->error('no MPEG audio frames found'); return false; } $info['mpeg']['audio']['bitrate'] = ($bittotal / $info['mpeg']['audio']['frame_count']); $info['mpeg']['audio']['bitrate_mode'] = ((count($Distribution['bitrate']) > 0) ? 'vbr' : 'cbr'); $info['mpeg']['audio']['sample_rate'] = getid3_lib::array_max($Distribution['frequency'], true); $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate']; $info['audio']['bitrate_mode'] = $info['mpeg']['audio']['bitrate_mode']; $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate']; $info['audio']['dataformat'] = 'mp'.getid3_lib::array_max($Distribution['layer'], true); $info['fileformat'] = $info['audio']['dataformat']; return true; } /** * @param int $avdataoffset * @param bool $BitrateHistogram * * @return bool */ public function getOnlyMPEGaudioInfo($avdataoffset, $BitrateHistogram=false) { // looks for synch, decodes MPEG audio header $info = &$this->getid3->info; static $MPEGaudioVersionLookup; static $MPEGaudioLayerLookup; static $MPEGaudioBitrateLookup; if (empty($MPEGaudioVersionLookup)) { $MPEGaudioVersionLookup = self::MPEGaudioVersionArray(); $MPEGaudioLayerLookup = self::MPEGaudioLayerArray(); $MPEGaudioBitrateLookup = self::MPEGaudioBitrateArray(); } $this->fseek($avdataoffset); $sync_seek_buffer_size = min(128 * 1024, $info['avdataend'] - $avdataoffset); if ($sync_seek_buffer_size <= 0) { $this->error('Invalid $sync_seek_buffer_size at offset '.$avdataoffset); return false; } $header = $this->fread($sync_seek_buffer_size); $sync_seek_buffer_size = strlen($header); $SynchSeekOffset = 0; $SyncSeekAttempts = 0; $SyncSeekAttemptsMax = 1000; $FirstFrameThisfileInfo = null; while ($SynchSeekOffset < $sync_seek_buffer_size) { if ((($avdataoffset + $SynchSeekOffset) < $info['avdataend']) && !$this->feof()) { if ($SynchSeekOffset > $sync_seek_buffer_size) { // if a synch's not found within the first 128k bytes, then give up $this->error('Could not find valid MPEG audio synch within the first '.round($sync_seek_buffer_size / 1024).'kB'); if (isset($info['audio']['bitrate'])) { unset($info['audio']['bitrate']); } if (isset($info['mpeg']['audio'])) { unset($info['mpeg']['audio']); } if (empty($info['mpeg'])) { unset($info['mpeg']); } return false; } } if (($SynchSeekOffset + 1) >= strlen($header)) { $this->error('Could not find valid MPEG synch before end of file'); return false; } if (($header[$SynchSeekOffset] == "\xFF") && ($header[($SynchSeekOffset + 1)] > "\xE0")) { // possible synch detected if (++$SyncSeekAttempts >= $SyncSeekAttemptsMax) { // https://github.com/JamesHeinrich/getID3/issues/286 // corrupt files claiming to be MP3, with a large number of 0xFF bytes near the beginning, can cause this loop to take a very long time // should have escape condition to avoid spending too much time scanning a corrupt file // if a synch's not found within the first 128k bytes, then give up $this->error('Could not find valid MPEG audio synch after scanning '.$SyncSeekAttempts.' candidate offsets'); if (isset($info['audio']['bitrate'])) { unset($info['audio']['bitrate']); } if (isset($info['mpeg']['audio'])) { unset($info['mpeg']['audio']); } if (empty($info['mpeg'])) { unset($info['mpeg']); } return false; } $FirstFrameAVDataOffset = null; if (!isset($FirstFrameThisfileInfo) && !isset($info['mpeg']['audio'])) { $FirstFrameThisfileInfo = $info; $FirstFrameAVDataOffset = $avdataoffset + $SynchSeekOffset; if (!$this->decodeMPEGaudioHeader($FirstFrameAVDataOffset, $FirstFrameThisfileInfo, false)) { // if this is the first valid MPEG-audio frame, save it in case it's a VBR header frame and there's // garbage between this frame and a valid sequence of MPEG-audio frames, to be restored below unset($FirstFrameThisfileInfo); } } $dummy = $info; // only overwrite real data if valid header found if ($this->decodeMPEGaudioHeader($avdataoffset + $SynchSeekOffset, $dummy, true)) { $info = $dummy; $info['avdataoffset'] = $avdataoffset + $SynchSeekOffset; switch (isset($info['fileformat']) ? $info['fileformat'] : '') { case '': case 'id3': case 'ape': case 'mp3': $info['fileformat'] = 'mp3'; $info['audio']['dataformat'] = 'mp3'; break; } if (isset($FirstFrameThisfileInfo) && isset($FirstFrameThisfileInfo['mpeg']['audio']['bitrate_mode']) && ($FirstFrameThisfileInfo['mpeg']['audio']['bitrate_mode'] == 'vbr')) { if (!(abs($info['audio']['bitrate'] - $FirstFrameThisfileInfo['audio']['bitrate']) <= 1)) { // If there is garbage data between a valid VBR header frame and a sequence // of valid MPEG-audio frames the VBR data is no longer discarded. $info = $FirstFrameThisfileInfo; $info['avdataoffset'] = $FirstFrameAVDataOffset; $info['fileformat'] = 'mp3'; $info['audio']['dataformat'] = 'mp3'; $dummy = $info; unset($dummy['mpeg']['audio']); $GarbageOffsetStart = $FirstFrameAVDataOffset + $FirstFrameThisfileInfo['mpeg']['audio']['framelength']; $GarbageOffsetEnd = $avdataoffset + $SynchSeekOffset; if ($this->decodeMPEGaudioHeader($GarbageOffsetEnd, $dummy, true, true)) { $info = $dummy; $info['avdataoffset'] = $GarbageOffsetEnd; $this->warning('apparently-valid VBR header not used because could not find '.$this->mp3_valid_check_frames.' consecutive MPEG-audio frames immediately after VBR header (garbage data for '.($GarbageOffsetEnd - $GarbageOffsetStart).' bytes between '.$GarbageOffsetStart.' and '.$GarbageOffsetEnd.'), but did find valid CBR stream starting at '.$GarbageOffsetEnd); } else { $this->warning('using data from VBR header even though could not find '.$this->mp3_valid_check_frames.' consecutive MPEG-audio frames immediately after VBR header (garbage data for '.($GarbageOffsetEnd - $GarbageOffsetStart).' bytes between '.$GarbageOffsetStart.' and '.$GarbageOffsetEnd.')'); } } } if (isset($info['mpeg']['audio']['bitrate_mode']) && ($info['mpeg']['audio']['bitrate_mode'] == 'vbr') && !isset($info['mpeg']['audio']['VBR_method'])) { // VBR file with no VBR header $BitrateHistogram = true; } if ($BitrateHistogram) { $info['mpeg']['audio']['stereo_distribution'] = array('stereo'=>0, 'joint stereo'=>0, 'dual channel'=>0, 'mono'=>0); $info['mpeg']['audio']['version_distribution'] = array('1'=>0, '2'=>0, '2.5'=>0); if ($info['mpeg']['audio']['version'] == '1') { if ($info['mpeg']['audio']['layer'] == 3) { $info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 40000=>0, 48000=>0, 56000=>0, 64000=>0, 80000=>0, 96000=>0, 112000=>0, 128000=>0, 160000=>0, 192000=>0, 224000=>0, 256000=>0, 320000=>0); } elseif ($info['mpeg']['audio']['layer'] == 2) { $info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 48000=>0, 56000=>0, 64000=>0, 80000=>0, 96000=>0, 112000=>0, 128000=>0, 160000=>0, 192000=>0, 224000=>0, 256000=>0, 320000=>0, 384000=>0); } elseif ($info['mpeg']['audio']['layer'] == 1) { $info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 64000=>0, 96000=>0, 128000=>0, 160000=>0, 192000=>0, 224000=>0, 256000=>0, 288000=>0, 320000=>0, 352000=>0, 384000=>0, 416000=>0, 448000=>0); } } elseif ($info['mpeg']['audio']['layer'] == 1) { $info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 32000=>0, 48000=>0, 56000=>0, 64000=>0, 80000=>0, 96000=>0, 112000=>0, 128000=>0, 144000=>0, 160000=>0, 176000=>0, 192000=>0, 224000=>0, 256000=>0); } else { $info['mpeg']['audio']['bitrate_distribution'] = array('free'=>0, 8000=>0, 16000=>0, 24000=>0, 32000=>0, 40000=>0, 48000=>0, 56000=>0, 64000=>0, 80000=>0, 96000=>0, 112000=>0, 128000=>0, 144000=>0, 160000=>0); } $dummy = array('error'=>$info['error'], 'warning'=>$info['warning'], 'avdataend'=>$info['avdataend'], 'avdataoffset'=>$info['avdataoffset']); $synchstartoffset = $info['avdataoffset']; $this->fseek($info['avdataoffset']); // you can play with these numbers: $max_frames_scan = 50000; $max_scan_segments = 10; // don't play with these numbers: $FastMode = false; $SynchErrorsFound = 0; $frames_scanned = 0; $this_scan_segment = 0; $frames_scan_per_segment = ceil($max_frames_scan / $max_scan_segments); $pct_data_scanned = 0; for ($current_segment = 0; $current_segment < $max_scan_segments; $current_segment++) { $frames_scanned_this_segment = 0; $scan_start_offset = array(); if ($this->ftell() >= $info['avdataend']) { break; } $scan_start_offset[$current_segment] = max($this->ftell(), $info['avdataoffset'] + round($current_segment * (($info['avdataend'] - $info['avdataoffset']) / $max_scan_segments))); if ($current_segment > 0) { $this->fseek($scan_start_offset[$current_segment]); $buffer_4k = $this->fread(4096); for ($j = 0; $j < (strlen($buffer_4k) - 4); $j++) { if (($buffer_4k[$j] == "\xFF") && ($buffer_4k[($j + 1)] > "\xE0")) { // synch detected if ($this->decodeMPEGaudioHeader($scan_start_offset[$current_segment] + $j, $dummy, false, false, $FastMode)) { $calculated_next_offset = $scan_start_offset[$current_segment] + $j + $dummy['mpeg']['audio']['framelength']; if ($this->decodeMPEGaudioHeader($calculated_next_offset, $dummy, false, false, $FastMode)) { $scan_start_offset[$current_segment] += $j; break; } } } } } $synchstartoffset = $scan_start_offset[$current_segment]; while (($synchstartoffset < $info['avdataend']) && $this->decodeMPEGaudioHeader($synchstartoffset, $dummy, false, false, $FastMode)) { $FastMode = true; $thisframebitrate = $MPEGaudioBitrateLookup[$MPEGaudioVersionLookup[$dummy['mpeg']['audio']['raw']['version']]][$MPEGaudioLayerLookup[$dummy['mpeg']['audio']['raw']['layer']]][$dummy['mpeg']['audio']['raw']['bitrate']]; if (empty($dummy['mpeg']['audio']['framelength'])) { $SynchErrorsFound++; $synchstartoffset++; } else { getid3_lib::safe_inc($info['mpeg']['audio']['bitrate_distribution'][$thisframebitrate]); getid3_lib::safe_inc($info['mpeg']['audio']['stereo_distribution'][$dummy['mpeg']['audio']['channelmode']]); getid3_lib::safe_inc($info['mpeg']['audio']['version_distribution'][$dummy['mpeg']['audio']['version']]); $synchstartoffset += $dummy['mpeg']['audio']['framelength']; } $frames_scanned++; if ($frames_scan_per_segment && (++$frames_scanned_this_segment >= $frames_scan_per_segment)) { $this_pct_scanned = getid3_lib::SafeDiv($this->ftell() - $scan_start_offset[$current_segment], $info['avdataend'] - $info['avdataoffset']); if (($current_segment == 0) && (($this_pct_scanned * $max_scan_segments) >= 1)) { // file likely contains < $max_frames_scan, just scan as one segment $max_scan_segments = 1; $frames_scan_per_segment = $max_frames_scan; } else { $pct_data_scanned += $this_pct_scanned; break; } } } } if ($pct_data_scanned > 0) { $this->warning('too many MPEG audio frames to scan, only scanned '.$frames_scanned.' frames in '.$max_scan_segments.' segments ('.number_format($pct_data_scanned * 100, 1).'% of file) and extrapolated distribution, playtime and bitrate may be incorrect.'); foreach ($info['mpeg']['audio'] as $key1 => $value1) { if (!preg_match('#_distribution$#i', $key1)) { continue; } foreach ($value1 as $key2 => $value2) { $info['mpeg']['audio'][$key1][$key2] = round($value2 / $pct_data_scanned); } } } if ($SynchErrorsFound > 0) { $this->warning('Found '.$SynchErrorsFound.' synch errors in histogram analysis'); //return false; } $bittotal = 0; $framecounter = 0; foreach ($info['mpeg']['audio']['bitrate_distribution'] as $bitratevalue => $bitratecount) { $framecounter += $bitratecount; if ($bitratevalue != 'free') { $bittotal += ($bitratevalue * $bitratecount); } } if ($framecounter == 0) { $this->error('Corrupt MP3 file: framecounter == zero'); return false; } $info['mpeg']['audio']['frame_count'] = getid3_lib::CastAsInt($framecounter); $info['mpeg']['audio']['bitrate'] = ($bittotal / $framecounter); $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate']; // Definitively set VBR vs CBR, even if the Xing/LAME/VBRI header says differently $distinct_bitrates = 0; foreach ($info['mpeg']['audio']['bitrate_distribution'] as $bitrate_value => $bitrate_count) { if ($bitrate_count > 0) { $distinct_bitrates++; } } if ($distinct_bitrates > 1) { $info['mpeg']['audio']['bitrate_mode'] = 'vbr'; } else { $info['mpeg']['audio']['bitrate_mode'] = 'cbr'; } $info['audio']['bitrate_mode'] = $info['mpeg']['audio']['bitrate_mode']; } break; // exit while() } } $SynchSeekOffset++; if (($avdataoffset + $SynchSeekOffset) >= $info['avdataend']) { // end of file/data if (empty($info['mpeg']['audio'])) { $this->error('could not find valid MPEG synch before end of file'); if (isset($info['audio']['bitrate'])) { unset($info['audio']['bitrate']); } if (isset($info['mpeg']['audio'])) { unset($info['mpeg']['audio']); } if (isset($info['mpeg']) && (!is_array($info['mpeg']) || empty($info['mpeg']))) { unset($info['mpeg']); } return false; } break; } } $info['audio']['channels'] = $info['mpeg']['audio']['channels']; if ($info['audio']['channels'] < 1) { $this->error('Corrupt MP3 file: no channels'); return false; } $info['audio']['channelmode'] = $info['mpeg']['audio']['channelmode']; $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate']; return true; } /** * @return array */ public static function MPEGaudioVersionArray() { static $MPEGaudioVersion = array('2.5', false, '2', '1'); return $MPEGaudioVersion; } /** * @return array */ public static function MPEGaudioLayerArray() { static $MPEGaudioLayer = array(false, 3, 2, 1); return $MPEGaudioLayer; } /** * @return array */ public static function MPEGaudioBitrateArray() { static $MPEGaudioBitrate; if (empty($MPEGaudioBitrate)) { $MPEGaudioBitrate = array ( '1' => array (1 => array('free', 32000, 64000, 96000, 128000, 160000, 192000, 224000, 256000, 288000, 320000, 352000, 384000, 416000, 448000), 2 => array('free', 32000, 48000, 56000, 64000, 80000, 96000, 112000, 128000, 160000, 192000, 224000, 256000, 320000, 384000), 3 => array('free', 32000, 40000, 48000, 56000, 64000, 80000, 96000, 112000, 128000, 160000, 192000, 224000, 256000, 320000) ), '2' => array (1 => array('free', 32000, 48000, 56000, 64000, 80000, 96000, 112000, 128000, 144000, 160000, 176000, 192000, 224000, 256000), 2 => array('free', 8000, 16000, 24000, 32000, 40000, 48000, 56000, 64000, 80000, 96000, 112000, 128000, 144000, 160000), ) ); $MPEGaudioBitrate['2'][3] = $MPEGaudioBitrate['2'][2]; $MPEGaudioBitrate['2.5'] = $MPEGaudioBitrate['2']; } return $MPEGaudioBitrate; } /** * @return array */ public static function MPEGaudioFrequencyArray() { static $MPEGaudioFrequency; if (empty($MPEGaudioFrequency)) { $MPEGaudioFrequency = array ( '1' => array(44100, 48000, 32000), '2' => array(22050, 24000, 16000), '2.5' => array(11025, 12000, 8000) ); } return $MPEGaudioFrequency; } /** * @return array */ public static function MPEGaudioChannelModeArray() { static $MPEGaudioChannelMode = array('stereo', 'joint stereo', 'dual channel', 'mono'); return $MPEGaudioChannelMode; } /** * @return array */ public static function MPEGaudioModeExtensionArray() { static $MPEGaudioModeExtension; if (empty($MPEGaudioModeExtension)) { $MPEGaudioModeExtension = array ( 1 => array('4-31', '8-31', '12-31', '16-31'), 2 => array('4-31', '8-31', '12-31', '16-31'), 3 => array('', 'IS', 'MS', 'IS+MS') ); } return $MPEGaudioModeExtension; } /** * @return array */ public static function MPEGaudioEmphasisArray() { static $MPEGaudioEmphasis = array('none', '50/15ms', false, 'CCIT J.17'); return $MPEGaudioEmphasis; } /** * @param string $head4 * @param bool $allowBitrate15 * * @return bool */ public static function MPEGaudioHeaderBytesValid($head4, $allowBitrate15=false) { return self::MPEGaudioHeaderValid(self::MPEGaudioHeaderDecode($head4), false, $allowBitrate15); } /** * @param array $rawarray * @param bool $echoerrors * @param bool $allowBitrate15 * * @return bool */ public static function MPEGaudioHeaderValid($rawarray, $echoerrors=false, $allowBitrate15=false) { if (!isset($rawarray['synch']) || ($rawarray['synch'] & 0x0FFE) != 0x0FFE) { return false; } static $MPEGaudioVersionLookup; static $MPEGaudioLayerLookup; static $MPEGaudioBitrateLookup; static $MPEGaudioFrequencyLookup; static $MPEGaudioChannelModeLookup; static $MPEGaudioModeExtensionLookup; static $MPEGaudioEmphasisLookup; if (empty($MPEGaudioVersionLookup)) { $MPEGaudioVersionLookup = self::MPEGaudioVersionArray(); $MPEGaudioLayerLookup = self::MPEGaudioLayerArray(); $MPEGaudioBitrateLookup = self::MPEGaudioBitrateArray(); $MPEGaudioFrequencyLookup = self::MPEGaudioFrequencyArray(); $MPEGaudioChannelModeLookup = self::MPEGaudioChannelModeArray(); $MPEGaudioModeExtensionLookup = self::MPEGaudioModeExtensionArray(); $MPEGaudioEmphasisLookup = self::MPEGaudioEmphasisArray(); } if (isset($MPEGaudioVersionLookup[$rawarray['version']])) { $decodedVersion = $MPEGaudioVersionLookup[$rawarray['version']]; } else { echo ($echoerrors ? "\n".'invalid Version ('.$rawarray['version'].')' : ''); return false; } if (isset($MPEGaudioLayerLookup[$rawarray['layer']])) { $decodedLayer = $MPEGaudioLayerLookup[$rawarray['layer']]; } else { echo ($echoerrors ? "\n".'invalid Layer ('.$rawarray['layer'].')' : ''); return false; } if (!isset($MPEGaudioBitrateLookup[$decodedVersion][$decodedLayer][$rawarray['bitrate']])) { echo ($echoerrors ? "\n".'invalid Bitrate ('.$rawarray['bitrate'].')' : ''); if ($rawarray['bitrate'] == 15) { // known issue in LAME 3.90 - 3.93.1 where free-format has bitrate ID of 15 instead of 0 // let it go through here otherwise file will not be identified if (!$allowBitrate15) { return false; } } else { return false; } } if (!isset($MPEGaudioFrequencyLookup[$decodedVersion][$rawarray['sample_rate']])) { echo ($echoerrors ? "\n".'invalid Frequency ('.$rawarray['sample_rate'].')' : ''); return false; } if (!isset($MPEGaudioChannelModeLookup[$rawarray['channelmode']])) { echo ($echoerrors ? "\n".'invalid ChannelMode ('.$rawarray['channelmode'].')' : ''); return false; } if (!isset($MPEGaudioModeExtensionLookup[$decodedLayer][$rawarray['modeextension']])) { echo ($echoerrors ? "\n".'invalid Mode Extension ('.$rawarray['modeextension'].')' : ''); return false; } if (!isset($MPEGaudioEmphasisLookup[$rawarray['emphasis']])) { echo ($echoerrors ? "\n".'invalid Emphasis ('.$rawarray['emphasis'].')' : ''); return false; } // These are just either set or not set, you can't mess that up :) // $rawarray['protection']; // $rawarray['padding']; // $rawarray['private']; // $rawarray['copyright']; // $rawarray['original']; return true; } /** * @param string $Header4Bytes * * @return array|false */ public static function MPEGaudioHeaderDecode($Header4Bytes) { // AAAA AAAA AAAB BCCD EEEE FFGH IIJJ KLMM // A - Frame sync (all bits set) // B - MPEG Audio version ID // C - Layer description // D - Protection bit // E - Bitrate index // F - Sampling rate frequency index // G - Padding bit // H - Private bit // I - Channel Mode // J - Mode extension (Only if Joint stereo) // K - Copyright // L - Original // M - Emphasis if (strlen($Header4Bytes) != 4) { return false; } $MPEGrawHeader = array(); $MPEGrawHeader['synch'] = (getid3_lib::BigEndian2Int(substr($Header4Bytes, 0, 2)) & 0xFFE0) >> 4; $MPEGrawHeader['version'] = (ord($Header4Bytes[1]) & 0x18) >> 3; // BB $MPEGrawHeader['layer'] = (ord($Header4Bytes[1]) & 0x06) >> 1; // CC $MPEGrawHeader['protection'] = (ord($Header4Bytes[1]) & 0x01); // D $MPEGrawHeader['bitrate'] = (ord($Header4Bytes[2]) & 0xF0) >> 4; // EEEE $MPEGrawHeader['sample_rate'] = (ord($Header4Bytes[2]) & 0x0C) >> 2; // FF $MPEGrawHeader['padding'] = (ord($Header4Bytes[2]) & 0x02) >> 1; // G $MPEGrawHeader['private'] = (ord($Header4Bytes[2]) & 0x01); // H $MPEGrawHeader['channelmode'] = (ord($Header4Bytes[3]) & 0xC0) >> 6; // II $MPEGrawHeader['modeextension'] = (ord($Header4Bytes[3]) & 0x30) >> 4; // JJ $MPEGrawHeader['copyright'] = (ord($Header4Bytes[3]) & 0x08) >> 3; // K $MPEGrawHeader['original'] = (ord($Header4Bytes[3]) & 0x04) >> 2; // L $MPEGrawHeader['emphasis'] = (ord($Header4Bytes[3]) & 0x03); // MM return $MPEGrawHeader; } /** * @param int|string $bitrate * @param string $version * @param string $layer * @param bool $padding * @param int $samplerate * * @return int|false */ public static function MPEGaudioFrameLength(&$bitrate, &$version, &$layer, $padding, &$samplerate) { static $AudioFrameLengthCache = array(); if (!isset($AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate])) { $AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate] = false; if ($bitrate != 'free') { if ($version == '1') { if ($layer == '1') { // For Layer I slot is 32 bits long $FrameLengthCoefficient = 48; $SlotLength = 4; } else { // Layer 2 / 3 // for Layer 2 and Layer 3 slot is 8 bits long. $FrameLengthCoefficient = 144; $SlotLength = 1; } } else { // MPEG-2 / MPEG-2.5 if ($layer == '1') { // For Layer I slot is 32 bits long $FrameLengthCoefficient = 24; $SlotLength = 4; } elseif ($layer == '2') { // for Layer 2 and Layer 3 slot is 8 bits long. $FrameLengthCoefficient = 144; $SlotLength = 1; } else { // layer 3 // for Layer 2 and Layer 3 slot is 8 bits long. $FrameLengthCoefficient = 72; $SlotLength = 1; } } // FrameLengthInBytes = ((Coefficient * BitRate) / SampleRate) + Padding if ($samplerate > 0) { $NewFramelength = ($FrameLengthCoefficient * $bitrate) / $samplerate; $NewFramelength = floor($NewFramelength / $SlotLength) * $SlotLength; // round to next-lower multiple of SlotLength (1 byte for Layer 2/3, 4 bytes for Layer I) if ($padding) { $NewFramelength += $SlotLength; } $AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate] = (int) $NewFramelength; } } } return $AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate]; } /** * @param float|int $bit_rate * * @return int|float|string */ public static function ClosestStandardMP3Bitrate($bit_rate) { static $standard_bit_rates = array (320000, 256000, 224000, 192000, 160000, 128000, 112000, 96000, 80000, 64000, 56000, 48000, 40000, 32000, 24000, 16000, 8000); static $bit_rate_table = array (0=>'-'); $round_bit_rate = intval(round($bit_rate, -3)); if (!isset($bit_rate_table[$round_bit_rate])) { if ($round_bit_rate > max($standard_bit_rates)) { $bit_rate_table[$round_bit_rate] = round($bit_rate, 2 - strlen($bit_rate)); } else { $bit_rate_table[$round_bit_rate] = max($standard_bit_rates); foreach ($standard_bit_rates as $standard_bit_rate) { if ($round_bit_rate >= $standard_bit_rate + (($bit_rate_table[$round_bit_rate] - $standard_bit_rate) / 2)) { break; } $bit_rate_table[$round_bit_rate] = $standard_bit_rate; } } } return $bit_rate_table[$round_bit_rate]; } /** * @param string $version * @param string $channelmode * * @return int */ public static function XingVBRidOffset($version, $channelmode) { static $XingVBRidOffsetCache = array(); if (empty($XingVBRidOffsetCache)) { $XingVBRidOffsetCache = array ( '1' => array ('mono' => 0x15, // 4 + 17 = 21 'stereo' => 0x24, // 4 + 32 = 36 'joint stereo' => 0x24, 'dual channel' => 0x24 ), '2' => array ('mono' => 0x0D, // 4 + 9 = 13 'stereo' => 0x15, // 4 + 17 = 21 'joint stereo' => 0x15, 'dual channel' => 0x15 ), '2.5' => array ('mono' => 0x15, 'stereo' => 0x15, 'joint stereo' => 0x15, 'dual channel' => 0x15 ) ); } return $XingVBRidOffsetCache[$version][$channelmode]; } /** * @param int $VBRmethodID * * @return string */ public static function LAMEvbrMethodLookup($VBRmethodID) { static $LAMEvbrMethodLookup = array( 0x00 => 'unknown', 0x01 => 'cbr', 0x02 => 'abr', 0x03 => 'vbr-old / vbr-rh', 0x04 => 'vbr-new / vbr-mtrh', 0x05 => 'vbr-mt', 0x06 => 'vbr (full vbr method 4)', 0x08 => 'cbr (constant bitrate 2 pass)', 0x09 => 'abr (2 pass)', 0x0F => 'reserved' ); return (isset($LAMEvbrMethodLookup[$VBRmethodID]) ? $LAMEvbrMethodLookup[$VBRmethodID] : ''); } /** * @param int $StereoModeID * * @return string */ public static function LAMEmiscStereoModeLookup($StereoModeID) { static $LAMEmiscStereoModeLookup = array( 0 => 'mono', 1 => 'stereo', 2 => 'dual mono', 3 => 'joint stereo', 4 => 'forced stereo', 5 => 'auto', 6 => 'intensity stereo', 7 => 'other' ); return (isset($LAMEmiscStereoModeLookup[$StereoModeID]) ? $LAMEmiscStereoModeLookup[$StereoModeID] : ''); } /** * @param int $SourceSampleFrequencyID * * @return string */ public static function LAMEmiscSourceSampleFrequencyLookup($SourceSampleFrequencyID) { static $LAMEmiscSourceSampleFrequencyLookup = array( 0 => '<= 32 kHz', 1 => '44.1 kHz', 2 => '48 kHz', 3 => '> 48kHz' ); return (isset($LAMEmiscSourceSampleFrequencyLookup[$SourceSampleFrequencyID]) ? $LAMEmiscSourceSampleFrequencyLookup[$SourceSampleFrequencyID] : ''); } /** * @param int $SurroundInfoID * * @return string */ public static function LAMEsurroundInfoLookup($SurroundInfoID) { static $LAMEsurroundInfoLookup = array( 0 => 'no surround info', 1 => 'DPL encoding', 2 => 'DPL2 encoding', 3 => 'Ambisonic encoding' ); return (isset($LAMEsurroundInfoLookup[$SurroundInfoID]) ? $LAMEsurroundInfoLookup[$SurroundInfoID] : 'reserved'); } /** * @param array $LAMEtag * * @return string */ public static function LAMEpresetUsedLookup($LAMEtag) { if ($LAMEtag['preset_used_id'] == 0) { // no preset used (LAME >=3.93) // no preset recorded (LAME <3.93) return ''; } $LAMEpresetUsedLookup = array(); ///// THIS PART CANNOT BE STATIC . for ($i = 8; $i <= 320; $i++) { switch ($LAMEtag['vbr_method']) { case 'cbr': $LAMEpresetUsedLookup[$i] = '--alt-preset '.$LAMEtag['vbr_method'].' '.$i; break; case 'abr': default: // other VBR modes shouldn't be here(?) $LAMEpresetUsedLookup[$i] = '--alt-preset '.$i; break; } } // named old-style presets (studio, phone, voice, etc) are handled in GuessEncoderOptions() // named alt-presets $LAMEpresetUsedLookup[1000] = '--r3mix'; $LAMEpresetUsedLookup[1001] = '--alt-preset standard'; $LAMEpresetUsedLookup[1002] = '--alt-preset extreme'; $LAMEpresetUsedLookup[1003] = '--alt-preset insane'; $LAMEpresetUsedLookup[1004] = '--alt-preset fast standard'; $LAMEpresetUsedLookup[1005] = '--alt-preset fast extreme'; $LAMEpresetUsedLookup[1006] = '--alt-preset medium'; $LAMEpresetUsedLookup[1007] = '--alt-preset fast medium'; // LAME 3.94 additions/changes $LAMEpresetUsedLookup[1010] = '--preset portable'; // 3.94a15 Oct 21 2003 $LAMEpresetUsedLookup[1015] = '--preset radio'; // 3.94a15 Oct 21 2003 $LAMEpresetUsedLookup[320] = '--preset insane'; // 3.94a15 Nov 12 2003 $LAMEpresetUsedLookup[410] = '-V9'; $LAMEpresetUsedLookup[420] = '-V8'; $LAMEpresetUsedLookup[440] = '-V6'; $LAMEpresetUsedLookup[430] = '--preset radio'; // 3.94a15 Nov 12 2003 $LAMEpresetUsedLookup[450] = '--preset '.(($LAMEtag['raw']['vbr_method'] == 4) ? 'fast ' : '').'portable'; // 3.94a15 Nov 12 2003 $LAMEpresetUsedLookup[460] = '--preset '.(($LAMEtag['raw']['vbr_method'] == 4) ? 'fast ' : '').'medium'; // 3.94a15 Nov 12 2003 $LAMEpresetUsedLookup[470] = '--r3mix'; // 3.94b1 Dec 18 2003 $LAMEpresetUsedLookup[480] = '--preset '.(($LAMEtag['raw']['vbr_method'] == 4) ? 'fast ' : '').'standard'; // 3.94a15 Nov 12 2003 $LAMEpresetUsedLookup[490] = '-V1'; $LAMEpresetUsedLookup[500] = '--preset '.(($LAMEtag['raw']['vbr_method'] == 4) ? 'fast ' : '').'extreme'; // 3.94a15 Nov 12 2003 return (isset($LAMEpresetUsedLookup[$LAMEtag['preset_used_id']]) ? $LAMEpresetUsedLookup[$LAMEtag['preset_used_id']] : 'new/unknown preset: '.$LAMEtag['preset_used_id'].' - report to [email protected]'); } }

Cresus casino en ligne Inscription et connexion.2051

BDM June 19, 2025 blog Leave a comment 761 Views

Cresus casino en ligne – Inscription et connexion

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Содержимое

Cresus Casino en Ligne : Inscription et Connexion
Inscription au Cresus Casino
Connexion au Cresus Casino
Inscription au Cresus Casino en Ligne
Création de votre compte Cresus Casino
Connexion au Cresus Casino en Ligne
Connexion avec votre compte Cresus Casino
Connexion avec votre compte Cresus Casino VIP
Les Conditions Générales du Cresus Casino en Ligne
FAQ – Fréquentes Questions du Cresus Casino en Ligne
Création du Compte
Jeu et Gains
Mon Compte

Le cresus casino est l’un des casinos en ligne les plus populaires et les plus fiables du marché. Avec son offre de jeux variés et ses conditions de jeu exceptionnelles, il attire de nombreux joueurs à travers le monde. Mais comment s’inscrire et se connecter à ce casino en ligne ? Dans cet article, nous allons vous guider étape par étape pour vous aider à vous lancer dans l’aventure.

Le Cresus Casino est un casino en ligne qui propose une grande variété de jeux, allant des jeux de table aux machines à sous, en passant par les jeux de cartes et les jeux de hasard. Les joueurs peuvent choisir parmi plus de 1 000 jeux différents, ce qui leur offre une grande liberté de choix.

Le Cresus Casino est également connu pour ses conditions de jeu exceptionnelles. Les joueurs peuvent bénéficier de bonus et de promotions régulières, ainsi que de programmes de fidélité qui leur permettent de gagner des points et de les échanger contre des récompenses.

Pour s’inscrire au Cresus Casino, les joueurs doivent d’abord cliquer sur le bouton “Inscription” situé en haut à droite de la page d’accueil. Ils doivent ensuite remplir un formulaire avec leurs informations personnelles, telles que leur nom, prénom, adresse e-mail et mot de passe. Une fois le formulaire rempli, les joueurs peuvent cliquer sur le bouton “Valider” pour valider leur inscription.

Une fois inscrit, les joueurs peuvent se connecter à leur compte en utilisant leur adresse e-mail et leur mot de passe. Ils peuvent ensuite accéder à leur compte et commencer à jouer.

Le Cresus Casino est également disponible en version mobile, ce qui signifie que les joueurs peuvent jouer partout et à tout moment, grâce à l’application mobile du casino.

En résumé, le Cresus Casino est un casino en ligne qui offre une grande variété de jeux, des conditions de jeu exceptionnelles et une application mobile pour jouer partout et à tout moment. Pour s’inscrire et se connecter, les joueurs doivent d’abord remplir un formulaire avec leurs informations personnelles et ensuite valider leur inscription. Une fois inscrit, les joueurs peuvent se connecter à leur compte et commencer à jouer.

Les avantages du Cresus Casino :

Plus de 1 000 jeux différents
Conditions de jeu exceptionnelles
Programme de fidélité
Application mobile pour jouer partout et à tout moment

Il est important de noter que le Cresus Casino est un casino en ligne qui est soumis aux lois et aux réglementations en vigueur dans le pays où il est établi. Les joueurs doivent donc vérifier les conditions de jeu et les règles du casino avant de commencer à jouer.

Cresus Casino en Ligne : Inscription et Connexion

Pour commencer, il est important de noter que Cresus Casino est un site de jeu en ligne qui propose une grande variété de jeux de hasard, tels que des jeux de table, des jeux de machine à sous et des jeux de loterie. Le site est disponible en français et accepte les joueurs de nombreux pays, y compris la France.

Inscription au Cresus Casino

Pour vous inscrire au Cresus Casino, vous devez d’abord cliquer sur le bouton “Inscription” situé en haut à droite de la page d’accueil. Vous serez alors redirigé vers une page de formulaire d’inscription, où vous devrez fournir certaines informations personnelles, telles que votre nom, votre prénom, votre adresse e-mail et votre mot de passe.

Votre nom et votre prénom
Votre adresse e-mail
Votre mot de passe
Un code de vérification

Une fois que vous avez rempli le formulaire d’inscription, vous devrez cliquer sur le bouton “S’inscrire” pour valider votre inscription. Vous recevrez alors un e-mail de confirmation de votre inscription.

Connexion au Cresus Casino

Pour vous connecter au Cresus Casino, vous devez d’abord cliquer sur le bouton “Connexion” situé en haut à droite de la page d’accueil. Vous serez alors redirigé vers une page de formulaire de connexion, où vous devrez fournir votre adresse e-mail et votre mot de passe.

Adresse e-mail

Mot de passe

Une fois que vous avez rempli le formulaire de connexion, vous devrez cliquer sur le bouton “Se connecter” pour valider votre connexion.

Il est important de noter que Cresus Casino propose également un service de jeu en ligne gratuit, qui permet aux joueurs de jouer sans avoir à déposer d’argent. Cela peut être utile pour les nouveaux joueurs qui veulent d’abord tester les jeux avant de déposer de l’argent.

En outre, Cresus Casino a reçu de nombreuses critiques positives de la part des joueurs, qui apprécient la variété des jeux proposés, la facilité d’utilisation du site et la qualité du service client.

Cependant, il est important de noter que Cresus Casino n’est pas sans critique. Certains joueurs ont signalé des problèmes de paiement et des difficultés à contacter le service client. Il est donc important de faire preuve de prudence et de vérifier les conditions générales de jeu avant de commencer à jouer.

En résumé, Cresus Casino est un site de jeu en ligne qui propose une grande variété de jeux de hasard et un service client de qualité. Cependant, il est important de faire preuve de prudence et de vérifier les conditions générales de jeu avant de commencer à jouer.

Inscription au Cresus Casino en Ligne

Pour vous inscrire au Cresus Casino en Ligne, vous devez suivre les étapes suivantes :

Étape 1 : Cliquez sur le bouton “Inscription” situé en haut à droite de la page d’accueil du site web du Cresus Casino en Ligne.

Étape 2 : Remplissez le formulaire d’inscription avec vos informations personnelles, notamment votre nom, prénom, adresse e-mail et mot de passe.

Étape 3 : Vérifiez que vous avez lu et acceptez les conditions générales de service du Cresus Casino en Ligne.

Création de votre compte Cresus Casino

Une fois que vous avez rempli le formulaire d’inscription, vous pouvez créer votre compte Cresus Casino en ligne. Vous pouvez alors accéder à vos jeux préférés et profiter de nos offres spéciales.

Il est important de noter que le Cresus Casino en Ligne est réservé aux personnes âgées de 18 ans et plus. Nous nous réservons le droit de refuser l’accès à notre site web à tout utilisateur qui ne respecte pas nos conditions générales de service.

En cas de problème ou de difficulté pour vous inscrire, n’hésitez pas à nous contacter. Nous sommes à votre disposition pour vous aider.

Le Cresus Casino en Ligne est également disponible en version VIP, qui offre des avantages exclusifs et des récompenses spéciales à nos joueurs les plus fidèles. Pour en savoir plus sur notre offre VIP, cliquez ici.

Enfin, nous vous rappelons que le Cresus Casino en Ligne est un site web de jeu en ligne et que les jeux de hasard peuvent être dangereux pour votre santé financière. Nous vous recommandons de jouer responsablement et de ne pas dépenser plus que vous ne pouvez vous permettre de perdre.

Si vous avez des questions ou des préoccupations concernant notre site web ou nos services, n’hésitez pas à nous contacter. Nous sommes à votre disposition pour vous aider.

Connexion au Cresus Casino en Ligne

Pour vous connecter au Cresus Casino en Ligne, suivez les étapes suivantes :

1. Ouvrez le site web du Cresus Casino en Ligne et cliquez sur le bouton “Se connecter” situé en haut à droite de la page.

2. Entrez votre adresse e-mail et votre mot de passe dans les champs respectifs. Si vous avez oublié votre mot de passe, vous pouvez le réinitialiser en cliquant sur le lien “Mot de passe oublié”.

3. Vérifiez que les informations que vous avez saisies sont correctes, puis cliquez sur le bouton “Se connecter” pour vous connecter à votre compte.

Connexion avec votre compte Cresus Casino

Si vous avez déjà un compte Cresus Casino, vous pouvez vous connecter en utilisant vos informations de compte. Pour cela, suivez les étapes suivantes :

1. Ouvrez le site web du Cresus Casino en Ligne et cliquez sur le bouton “Se connecter” situé en haut à droite de la page.

2. Entrez votre adresse e-mail et votre mot de passe dans les champs respectifs.

3. Vérifiez que les informations que vous avez saisies sont correctes, puis cliquez sur le bouton “Se connecter” pour vous connecter à votre compte.

Connexion avec votre compte Cresus Casino VIP

Si vous êtes un joueur VIP du Cresus Casino, vous pouvez vous connecter en utilisant vos informations de compte VIP. Pour cela, suivez les étapes suivantes :

1. Ouvrez le site web du Cresus Casino en Ligne et cliquez sur le bouton “Se connecter” situé en haut à droite de la page.

2. Entrez votre adresse e-mail et votre mot de passe dans les champs respectifs.

3. Vérifiez que les informations que vous avez saisies sont correctes, puis cliquez sur le bouton “Se connecter” pour vous connecter à votre compte VIP.

Enfin, si vous êtes nouveau sur le site web du Cresus Casino en Ligne, vous pouvez vous inscrire en cliquant sur le bouton “S’inscrire” situé en haut à droite de la page. Vous pourrez ainsi créer un compte et commencer à jouer.

Il est important de noter que le Cresus Casino en Ligne est un site web de jeu en ligne qui offre des jeux de hasard, y compris des jeux de casino, des jeux de loterie et des jeux de poker. Les jeux de hasard peuvent causer des pertes financières importantes. Il est donc important de jouer responsable et de ne pas dépenser plus que vous ne pouvez vous permettre de perdre.

Le Cresus Casino en Ligne est également connu pour son offre de jeu gratuit, qui vous permet de jouer sans avoir à déposer d’argent. Cela peut être un excellent moyen de découvrir les jeux du site web et de vous familiariser avec les règles du jeu avant de jouer avec de l’argent réel.

En résumé, pour vous connecter au Cresus Casino en Ligne, vous devez avoir un compte et un mot de passe. Vous pouvez créer un compte en cliquant sur le bouton “S’inscrire” situé en haut à droite de la page. Une fois que vous avez un compte, vous pouvez vous connecter en utilisant vos informations de compte.

Les Conditions Générales du Cresus Casino en Ligne

Le Cresus Casino en ligne est un site de jeu en ligne qui offre une expérience de jeu unique et sécurisée à ses joueurs. Pour garantir une expérience de jeu de haute qualité, nous avons établi certaines conditions générales qui régissent l’utilisation de notre site.

En créant un compte et en utilisant notre site, vous acceptez de manière expresse et sans réserve les conditions générales suivantes :

Article 1 : Objet et champ d’application

Article 2 : Définitions

• Cresus Casino en ligne

• Joueurs

• Services

Article 3 : Inscrivez-vous

Article 4 : Confidentialité

Article 5 : Responsabilité

Article 6 : Modification des conditions générales

Article 7 : Loi applicable

Article 8 : Litiges

Les présentes conditions générales ont pour objet de définir les termes et conditions de l’utilisation du site Cresus Casino en ligne.

Les termes suivants ont la signification suivante :

Le site de jeu en ligne proposé par Cresus Casino.

Tous les utilisateurs du site Cresus Casino en ligne.

Tous les services proposés par Cresus Casino en ligne, y compris les jeux, les promotions et les offres spéciales.

En créant un compte, vous acceptez de manière expresse et sans réserve les conditions générales du Cresus Casino en ligne.

Cresus Casino en ligne s’engage à protéger la confidentialité de vos informations personnelles et à ne pas les divulguer à des tiers.

Cresus Casino en ligne n’est pas responsable des pertes ou des dommages causés par l’utilisation de ses services.

Cresus Casino en ligne se réserve le droit de modifier ou de mettre à jour ses conditions générales à tout moment.

Les présentes conditions générales sont régies et interprétées en vertu des lois françaises.

Tout litige sera soumis aux tribunaux français.

En utilisant nos services, vous acceptez de manière expresse et sans réserve les conditions générales du Cresus Casino en ligne. Si vous n’acceptez pas ces conditions, vous ne pouvez pas utiliser nos services.

Cresus Casino en ligne se réserve le droit de modifier ou de mettre à jour ces conditions générales à tout moment. Il est donc important de vérifier régulièrement ces conditions pour vous assurer que vous êtes au courant des modifications apportées.

En créant un compte et en utilisant notre site, vous déclarez être âgé de 18 ans ou plus et accepter les conditions générales du Cresus Casino en ligne.

Cresus Casino en ligne est un site de jeu en ligne qui offre une expérience de jeu unique et sécurisée à ses joueurs. Nous sommes convaincus que vous apprécierez notre site et que vous aurez une expérience de jeu exceptionnelle.

FAQ – Fréquentes Questions du Cresus Casino en Ligne

Les questions les plus fréquentes sur le Cresus Casino en Ligne sont regroupées ci-dessous. Si vous avez d’autres questions, n’hésitez pas à nous contacter.

Création du Compte

Comment créer un compte au Cresus Casino en Ligne ?

Pour créer un compte, cliquez sur le bouton “Inscription” en haut à droite de la page d’accueil, puis remplissez le formulaire avec vos informations personnelles. Vérifiez que vous avez bien rempli tous les champs obligatoires et que votre adresse e-mail est correcte.

Comment réinitialiser mon mot de passe ?

Pour réinitialiser votre mot de passe, cliquez sur le lien “Mot de passe oublié” sur la page de connexion, puis suivez les instructions pour réinitialiser votre mot de passe.

Jeu et Gains

Quels sont les jeux proposés par le Cresus Casino en Ligne ?

Le Cresus Casino en Ligne propose une large gamme de jeux de casino, y compris des jeux de table, des machines à sous et des jeux de loterie. Vous pouvez trouver la liste complète des jeux sur notre page de jeux.

Comment fonctionnent les gains ?

Les gains sont attribués automatiquement à votre compte après chaque tour de jeu. Vous pouvez vérifier vos gains dans votre compte.

Mon Compte

Comment accéder à mon compte ?

Pour accéder à votre compte, connectez-vous en utilisant votre adresse e-mail et votre mot de passe.

Comment modifier mes informations de compte ?

Pour modifier vos informations de compte, connectez-vous à votre compte, puis cliquez sur le bouton “Mon compte” et suivez les instructions pour modifier vos informations.

Comment retirer mes gains ?

Pour retirer vos gains, connectez-vous à votre compte, puis cliquez sur le bouton “Retrait” et suivez les instructions pour retirer vos gains.

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Cresus casino en ligne Inscription et connexion.2051

Cresus casino en ligne – Inscription et connexion

Содержимое

Cresus Casino en Ligne : Inscription et Connexion

Inscription au Cresus Casino

Connexion au Cresus Casino

Inscription au Cresus Casino en Ligne

Création de votre compte Cresus Casino

Connexion au Cresus Casino en Ligne

Connexion avec votre compte Cresus Casino

Connexion avec votre compte Cresus Casino VIP

Les Conditions Générales du Cresus Casino en Ligne

FAQ – Fréquentes Questions du Cresus Casino en Ligne

Création du Compte

Jeu et Gains

Mon Compte

Cresus Casino en Ligne : Inscription et Connexion

Inscription au Cresus Casino

Connexion au Cresus Casino

Inscription au Cresus Casino en Ligne

Création de votre compte Cresus Casino

Connexion au Cresus Casino en Ligne

Connexion avec votre compte Cresus Casino

Connexion avec votre compte Cresus Casino VIP

Les Conditions Générales du Cresus Casino en Ligne

FAQ – Fréquentes Questions du Cresus Casino en Ligne

Création du Compte

Jeu et Gains

Mon Compte

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